CN220104434U - Pressure detection device is used in valve production - Google Patents

Abstract

The utility model discloses a pressure detection device for valve production, which comprises a detection table and a pressure detection machine, wherein the pressure detection machine is arranged on the detection table, a support is arranged on the detection table, an assembly seat is arranged at the center of the support, a valve clamp is arranged on the assembly seat, a counter-pulling moving assembly is symmetrically arranged in the support, and an installation seat is arranged at the movable end of the counter-pulling moving assembly.

Description

Pressure detection device is used in valve production

Technical Field

The utility model relates to the technical field of valve detection, in particular to a pressure detection device for valve production.

Background

The valve is required to be subjected to tightness detection before delivery, so that the produced valve is ensured not to have air leakage. The existing valve pressure detection equipment works in a mode that a port is plugged, under the condition that the port is plugged, detection media are injected into the valve through a pressure detection machine, however, when the internal pressure of the valve is overlarge in the detection process, air leakage or water leakage is easily caused, the pressure detection result is affected, and when the valves of different types are detected, a flange on the detection device needs to be replaced, so that a great amount of time is consumed, the test efficiency is reduced, and the valve pressure detection equipment is produced.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a pressure detection device for valve production, which solves the problems in the background art.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a pressure detection device is used in valve production, includes detection platform and pressure detection machine, the pressure detection machine sets up in the detection bench, be provided with the support on the detection bench, be provided with the mount pad on the support central point put, install the valve anchor clamps on the mount pad, the symmetry is provided with the split moving assembly in the support, be provided with the mount pad on the movable end of split moving assembly, be provided with vertical regulating part on the mount pad, the fixing base is installed on vertical regulating part upper portion, the assembly is connected with the shutoff head on the fixing base, the shutoff head is cone-shaped structure and a plurality of annular ladder grooves have been seted up to the outer terminal surface, annular ladder inslot cover is equipped with elastic sealing circle, the shutoff head has seted up the through-hole along the central axis position, through-hole one end is connected with the gas injection pipe, be provided with control valve and manometer on the gas injection pipe, gas injection pipe one end is equipped with the connector, the connector is linked together with the air supply pipeline of pressure detection machine.

Above-mentioned to drawing remove subassembly includes to drawing lead screw, driving piece, sliding support piece and movable block, rotate to the wire drawing thick stick and set up in the support, the driving piece sets up in support one side and the output is connected to the wire drawing thick stick, sliding support piece symmetry sets up in to wire drawing thick stick both sides, the embedded lead screw nut that is equipped with of movable block, lead screw nut and to wire drawing thick stick normal running fit, the movable block both ends are connected with sliding support piece respectively.

The sliding support piece comprises limiting guide posts and sliding blocks, wherein the limiting guide posts are symmetrically arranged on two sides of the wire drawing bar, and the sliding blocks are sleeved on the limiting guide posts in a sliding manner and are fixedly connected with the moving blocks.

The vertical adjusting piece comprises a hydraulic cylinder, the hydraulic cylinder is fixedly arranged on the mounting seat, the telescopic ends of the hydraulic cylinder are connected with the fixing seat, limit sleeves are symmetrically arranged at four corners of the hydraulic cylinder, guide posts are inserted in the limit sleeves in a sliding manner, and the upper ends of the guide posts are connected with the fixing seat.

The fixing seat is characterized in that a fixing ring is arranged on the side wall of the fixing seat, pressure sensors are arranged on the side wall of the fixing ring along an annular array, a contact ring is arranged on one side of each pressure sensor, and the contact ring is fixedly connected with the plugging head.

Advantageous effects

The utility model provides a pressure detection device for valve production. The beneficial effects are as follows: the valve to be detected is fixed on a valve clamp, a vertical adjusting piece on a mounting seat is controlled to act, a plugging head on a fixing seat and a valve flange interface are located on the same central axis, a split moving assembly is started, the plugging heads on two sides synchronously move towards the valve, one end of the plugging head enters the valve flange interface, a valve port is plugged, a pressure detector is started, gas is injected into the valve through a gas injection pipe, after the pressure reaches a set value, a control valve and the pressure detector are closed, the reading of the pressure gauge is observed, whether the valve leaks gas is judged, or the pressure gauge is continuously pressurized until the reading of the pressure gauge is rapidly lowered, valve working pressure limit data are obtained, the plugging head adopts a conical structure, a plurality of annular ladder grooves are formed in the outer end face of the plugging head, and elastic sealing rings are sleeved in the annular ladder grooves, so that the valve is applicable to sealing performance and pressure testing of valves of different types.

Drawings

Fig. 1 is a schematic diagram of a front view of a pressure detecting device for valve production according to the present utility model.

Fig. 2 is a schematic top view of a pressure detecting device for valve production according to the present utility model.

Fig. 3 is a schematic view of a partially enlarged structure of fig. 1 according to the present utility model.

In the figure: 1. a detection table; 2. a pressure detector; 3. a bracket; 4. an assembly seat; 5. a valve clamp; 6. a mounting base; 7. a fixing seat; 8. a blocking head; 9. an elastic sealing ring; 10. an air injection pipe; 11. a control valve; 12. a pressure gauge; 13. a connector; 14. an air supply line; 15. a wire drawing bar is arranged; 16. a driving member; 17. a moving block; 18. limiting guide posts; 19. a slide block; 20. a hydraulic cylinder; 21. a limit sleeve; 22. a guide post; 23. a fixing ring; 24. a pressure sensor; 25. a contact ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

All electric components in the scheme are connected with an adaptive power supply through wires by a person skilled in the art, and an appropriate controller is selected according to actual conditions so as to meet control requirements, specific connection and control sequences, and the electric connection is completed by referring to the following working principles in the working sequence among the electric components, wherein the detailed connection means are known in the art, and the following main description of the working principles and processes is omitted from the description of electric control.

Examples: referring to fig. 1-3 of the specification, in the scheme, a pressure detector 2 is arranged on a detecting table 1, a bracket 3 is arranged on the detecting table 1, an assembling seat 4 is arranged at the central position of the bracket 3, a valve clamp 5 is arranged on the assembling seat 4, a opposite pulling moving assembly is symmetrically arranged in the bracket 3, an installing seat 6 is arranged at the movable end of the opposite pulling moving assembly, a vertical adjusting piece is arranged on the installing seat 6, a fixed seat 7 is arranged at the upper part of the vertical adjusting piece, a plugging head 8 is assembled and connected on the fixed seat 7, the plugging head 8 is of a conical structure and is provided with a plurality of annular stepped grooves at the outer end face, an elastic sealing ring 9 is sleeved in the annular stepped grooves, a through hole is formed in the plugging head 8 along the central axis, one end of the through hole is connected with an air injection pipe 10, a control valve 11 and a pressure gauge 12 are arranged on the air injection pipe 10, one end of the air injection pipe 10 is provided with a connector 13, the connector 13 is communicated with the air supply pipeline 14 of the pressure detector 2, when in use, a valve to be detected is fixed on the valve clamp 5, the action of a vertical adjusting piece on the mounting seat 6 is controlled, the plugging head 8 on the fixing seat 7 and the valve flange interface are positioned on the same central axis, the opposite pulling moving assembly is started, the plugging heads 8 on two sides synchronously move towards the valve direction, one end of the plugging head 8 enters the valve flange interface position, the valve port is plugged, the pressure detector 2 is started, air is injected into the valve through the air injection pipe 10, after the pressure reaches a set value, the control valve 11 and the pressure detector 2 are closed, the reading of the pressure gauge 12 is observed, whether the valve leaks air is judged, or the reading of the pressure gauge 12 is continuously pressurized until the reading of the pressure gauge 12 is rapidly lowered, the working pressure limit data of the valve is obtained, the blocking head 8 adopts a conical structure, the outer end face of the blocking head is provided with a plurality of annular stepped grooves, and the annular stepped grooves are sleeved with elastic sealing rings 9, so that the blocking head can be suitable for sealing performance and pressure tests of valves of different types.

In a specific implementation process, as a preferred arrangement, the opposite-pulling moving assembly comprises an opposite-pulling bar 15, a driving piece 16, a sliding support piece and a moving block 17, wherein the opposite-pulling bar 15 is rotationally arranged in the bracket 3, the driving piece 16 is arranged on one side of the bracket 3, an output end of the driving piece is connected with the opposite-pulling bar 15, the sliding support piece is symmetrically arranged on two sides of the opposite-pulling bar 15, a lead screw nut is embedded in the moving block 17, the lead screw nut is in rotary fit with the opposite-pulling bar 15, two ends of the moving block 17 are respectively connected with the sliding support piece, the sliding support piece comprises a limiting guide post 18 and a sliding block 19, the limiting guide posts 18 are symmetrically arranged on two sides of the opposite-pulling bar 15, the sliding block 19 is sleeved on the limiting guide post 18 and fixedly connected with the moving block 17, and when the opposite-pulling bar 15 is driven to rotate through the driving piece 16, so that the moving block 17 slides along the limiting guide post 18 under the limiting effect of the sliding blocks 19 on two sides, and further the plugging heads 8 on two sides are pushed to synchronously move towards the valve direction, and further so that the plugging heads 8 are plugged into the inner sides of a valve flange interface to realize the synchronous plugging effect on two ends of the valve.

In the concrete implementation process, as the preferred setting, above-mentioned vertical regulating part includes pneumatic cylinder 20, pneumatic cylinder 20 sets firmly on mount pad 6 and flexible end is connected with fixing base 7, the symmetry is provided with stop collar 21 on pneumatic cylinder 20 four corners position, slip cartridge has guide post 22 in the stop collar 21, guide post 22 upper end is connected with fixing base 7, when carrying out pressure detection operation to the valve of different models, can control the flexible end of pneumatic cylinder 20 and remove, thereby promote the high position of shutoff head 8 and remove, make the central axis and valve phase, the cooperation effect of stop collar 21 and guide post 22 simultaneously can effectively guarantee the mobility stability and the horizontal direction structural strength of fixing base 7.

In the concrete implementation process, as the preferred setting, be provided with solid fixed ring 23 on the above-mentioned fixing base 7 lateral wall, gu be provided with pressure sensor 24 along annular array on the fixed ring 23 lateral wall, pressure sensor 24 one side is provided with contact ring 25, contact ring 25 and shutoff head 8 fixed connection, insert the shutoff head 8 in the valve flange interface, fixing base 7 is last to valve one side removal, then contact ring 25 extrudees pressure sensor 24 this moment, after pressure sensor 24 detects the pressure value and reaches the settlement standard, it satisfies the test requirement to indicate that contact position pressure can effectively improve pressure detection operating efficiency.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a pressure detection device is used in valve production, includes detection platform and pressure detection machine, its characterized in that, the pressure detection machine sets up in the detection bench, be provided with the support on the detection bench, be provided with the mount pad on the support central point, install the valve anchor clamps on the mount pad, the symmetry is provided with the counter-pulling movable assembly in the support, be provided with the mount pad on the movable end of counter-pulling movable assembly, be provided with vertical regulating part on the mount pad, the fixing base is installed on vertical regulating part upper portion, the assembly is connected with the shutoff head on the fixing base, the shutoff head is a taper structure and a plurality of annular ladder grooves have been seted up to outer terminal surface, annular ladder inslot cover is equipped with elastic seal circle, the shutoff head has seted up the through-hole along the central axis position, through-hole one end is connected with the gas injection pipe, be provided with control valve and manometer on the gas injection pipe one end is equipped with the connector, the connector is linked together with the air supply line of pressure detection machine.

2. The pressure detection device for valve production according to claim 1, wherein the opposite-pulling moving assembly comprises an opposite-pulling screw rod, a driving piece, a sliding supporting piece and a moving block, the opposite-pulling screw rod is rotatably arranged in the support, the driving piece is arranged on one side of the support, the output end of the driving piece is connected with the opposite-pulling screw rod, the sliding supporting piece is symmetrically arranged on two sides of the opposite-pulling screw rod, screw nuts are embedded in the moving block, the screw nuts are in running fit with the opposite-pulling screw rod, and two ends of the moving block are respectively connected with the sliding supporting piece.

3. The pressure detection device for valve production according to claim 2, wherein the sliding support piece comprises a limiting guide post and a sliding block, the limiting guide posts are symmetrically arranged on two sides of the wire-drawing bar, and the sliding block is sleeved on the limiting guide post in a sliding manner and is fixedly connected with the moving block.

4. The pressure detection device for valve production according to claim 1, wherein the vertical adjusting piece comprises a hydraulic cylinder, the hydraulic cylinder is fixedly arranged on the mounting seat, the telescopic end of the hydraulic cylinder is connected with the fixing seat, limit sleeves are symmetrically arranged at four corners of the hydraulic cylinder, guide posts are inserted in the limit sleeves in a sliding manner, and the upper ends of the guide posts are connected with the fixing seat.

5. The pressure detection device for valve production according to claim 1, wherein a fixed ring is arranged on the side wall of the fixed seat, pressure sensors are arranged on the side wall of the fixed ring along an annular array, a contact ring is arranged on one side of the pressure sensors, and the contact ring is fixedly connected with the plugging head.