Today, I will introduce a national invention authorized patent-a hydraulic valve assembly sealing test bench. The patent was applied for by Jiangsu Yandian Valve Co., Ltd., and the authorization was announced on May 10, 2017.
Content descriptionThe invention relates to the technical field of valve detection, in particular to a hydraulic valve assembly sealing test bench.
Background of the inventionAs we all know, after the final assembly of the hydraulic valve, various performances of the valve, such as tightness, etc., need to be tested. The existing valve sealing test bench has a relatively simple equipment structure and uses a manual feeding method. The valve needs to be transported back and forth, the workers’ physical exertion is large, and the labor intensity is high. For valve detection, the upper and lower passages must be sealed separately. The existing factories use manual handling and switching positions, and the valve It is relatively heavy, and it is troublesome to carry and change stations. At present, when the valve sealing performance is tested, the turntable is manually rotated to realize the opening or closing of the valve. If the valve sealing performance is unqualified, water jets will be generated, which is very easy to handle. The clothing of wet workers brings inconvenience to the tightness test.
Summary of the inventionThe technical problem to be solved by the present invention is to provide a device with reasonable structure design, high degree of automation, and convenient operation, which can automatically realize material loading, compaction, working position and valve opening and closing during the valve sealing test process , That is, a hydraulic valve assembly sealing test bench.
The technical problem to be solved by the present invention is realized by adopting the following technical solutions: a hydraulic valve assembly sealing test bench, including a control cabinet, a test base platform, a feeding and conveying device, an integrated device and a pressing device, the control cabinet is located on the test base On the left side of the platform, the loading and conveying device is installed at the front of the test base platform, the integrated device is installed on the top of the test base platform, and the pressing device is located on the rear side of the loading and conveying device. The device is fixed on the bottom of the test base platform. The feeding and conveying device can realize the automatic feeding of the hydraulic valve, instead of manual feeding and transportation, saving manpower, the use of a compression device to achieve automatic compression of the hydraulic valve, a high degree of automation, and automatic realization of the hydraulic valve through an integrated device The plugging, valve opening and closing, working position and unloading replace manual rotating turntable, working position and unloading, which improves the efficiency of sealing test.
The test base platform includes a shield, a bottom plate, side pillars, a ceiling hanging plate, a main pillar, and a test pallet. The shield is fixed on the upper part of the bottom plate, the front side of the shield is open, and the side pillars are symmetrical. It is fixed around the bottom plate, the ceiling hanger plate is installed at the upper end of the side column, the main pillar is installed at the middle of the upper end of the bottom plate, and the test pallet is arranged at the upper end of the main pillar. The test pallet has a hollow structure, and the front part of the test pallet is provided with a semicircular baffle ring, which can block and stay the hydraulic valve by the semicircular baffle ring when the hydraulic valve is transported to the test pallet by the feeding conveying device The test pallet also has a good positioning effect. The upper end of the test pallet is provided with a lower sealing gasket, so that when the hydraulic valve is pressed on the lower sealing gasket, it can play the role of a lower sealing.
The feeding and conveying device is located at the front opening of the shield, and the feeding and conveying device includes a base frame, a folding drive cylinder, a lower main body frame, a front main drive drum, a lower belt, an upper side belt, and a direction changer. Auxiliary wheels, rear driven wheels and rear driven drums, the upper end of the bottom frame is provided with a rearwardly inclined outreach frame, and the left and right sides of the rear part of the lower main frame correspond to the front part of the bottom frame. Hinged, the front main driving drum is installed at the front of the lower main frame, the rear driven drum is installed at the rear of the lower main frame, the direction changing auxiliary wheels are symmetrically installed at the middle of the upper end of the outrigger, and the rear The driven runner is symmetrically installed at the rear end of the outrigger, the front of the lower belt is wound on the front main driving drum, the rear of the lower belt is wound on the rear driven drum, and the upper side The number of belts is two, the upper side belts are parallel and symmetrically distributed on the left and right sides of the lower belt, the front part of the upper side belt is wound on the front main drive drum, and the middle front of the upper side belt The lower surface of the upper part goes around the rear driven drum, the middle and rear part of the upper side belt goes around the direction changing auxiliary wheel, the rear part of the upper side belt is wound on the rear driven wheel, the folding drive cylinder The rear part is hinged with the bottom plate, and the front part of the folding driving cylinder is hinged with the lower side of the middle part of the lower main frame.
The gap between the upper side belts is equal to the width of the lower belt, and the width of the lower belt is smaller than the outer diameter of the flange of the hydraulic valve. When the material needs to be loaded, the operator places the hydraulic valve on the lower belt. Since the outer diameter of the flange of the hydraulic valve is larger than the width of the lower belt, the hydraulic valve will be pressed on the upper side belt at the same time. Right after the start, the front main drive drum is activated to drive the lower belt to start to rotate, and synchronously drive the upper side belt to rotate. Since the upper side belt has a greater inclination than the lower belt, the upper side belt will gradually drive the hydraulic valve along The inclined surface movement formed by the upper side belt gradually separates the hydraulic valve from the lower belt and moves downward and upward driven by the upper side belt. When it moves to the direction-changing auxiliary wheel, the movement direction of the hydraulic valve is changed, that is, from the original oblique surface. The upward movement becomes an oblique downward movement. The test pallet is located between the rear driven runners, so that the test pallet is distributed on the path of the hydraulic valve obliquely downward movement. The purpose of this design is to perform an oblique downward movement. During the movement, the test pallet is used to block the hydraulic valve, and the hydraulic valve is positioned through the semicircular baffle ring to realize automatic feeding and prepare for the leak test.
The integrated device includes spreading beam, side shifting motor, lead screw, side shifting abutment, front lifting cylinder, L-shaped hanger, indexing motor, claw plate, pressing cylinder, pressure plate, beam, swing arm, pressure Hammers and side cylinders, the beam is fixed on the lower side of the ceiling plate along the width direction of the ceiling plate, the side shift motor is fixed at the rear end of the beam, the rear end and the side of the screw The front end of the screw is connected with the beam through a bearing, the left and right sides of the side-shift base are slidingly fitted with the beam, and the side-shift base and the lead screw are threaded together. The bottom of the lifting cylinder is vertically installed on the lower front side of the side shifting base, the bottom of the pressing cylinder is vertically installed on the lower rear side of the side shifting base, and the beam is installed horizontally on the lower end of the front lifting cylinder. The L-shaped hanger is installed at the lower end of the middle of the beam, the swing arms are symmetrically distributed on the left and right sides of the beam, the upper ends of the swing arms are hinged to the beams, and the pressure hammers are respectively fixed at the lower ends of the swing arms. The side cylinders are symmetrically distributed on the left and right sides of the front of the L-shaped hanger. One end of the side cylinders is hinged with the L-shaped hanger, and the other end of the side cylinders is hinged to the middle of the swing arm, respectively. The indexing motor is horizontally installed on the front and rear side of the L-shaped hanger, the claw plate is installed on the indexing motor, and the rear of the L-shaped hanger is provided with a pallet that is flattened backwards, A bracket is provided at the rear of the pallet, the upper end of the bracket is provided with a semicircular groove, a roller is installed in the semicircular groove, and the pressure plate is fixed at the lower end of the pressing cylinder, The lower end of the pressure plate is provided with an upper sealing gasket. After the hydraulic valve is moved to the test pallet, the clamping device is used to clamp the hydraulic valve, and the integrated device can be activated to perform subsequent processing on the hydraulic valve
The translation guide frame is provided with double-arc sliding grooves, and the linkage indenter is correspondingly slidingly matched with the double-arc sliding groove, thereby ensuring that the linkage indenter performs translational movement. The installation height of the rear driven runner is lower than the installation height of the direction-changing auxiliary wheel, so as to ensure the smooth realization of automatic feeding.
The beneficial effects of the present invention are embodied in: the present invention has the advantages of reasonable structure design, high degree of automation and convenient operation. It can automatically realize material loading, compression, rotation and valve opening and closing during the valve sealing test process, saving Manpower reduces the labor intensity of workers, improves the efficiency of sealing inspection, and is suitable for batch sealing testing.
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