CN218823170U

CN218823170U - High-precision valve intelligent test system

Info

Publication number: CN218823170U
Application number: CN202223152728.5U
Authority: CN
Inventors: 姜晓洁; 张增才
Original assignee: Yantai Tulan Electronic Technology Co ltd
Current assignee: Yantai Tulan Electronic Technology Co ltd
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-04-07
Anticipated expiration: 2032-11-25

Abstract

The utility model relates to the technical field of pressure reducing valve performance detection, in particular to a high-precision valve intelligent test system, which comprises a frame, a manipulator and a detection tool; a detection chamber and a material storage chamber are arranged in the frame; the manipulator is used for clamping and placing the pressure reducing valve; during detection, the air inlet and the air outlet of the pressure reducing valve are communicated with an external air source through an air pipe, and a pressure sensor is arranged on the air pipe. The manipulator and the detection tool are positioned in the detection chamber; the detection tool comprises a clamp assembly, an adjusting assembly and a fixed tray, wherein the clamp assembly is used for sealing and locking a pressure reducing valve on the fixed tray; the adjusting component comprises an inner hexagonal wrench and an open end wrench; the inner hexagon wrench is vertically inserted into an adjusting bolt on the pressure reducing valve through the first driving mechanism; the open end wrench is inserted into a locking nut on the pressure reducing valve through a second driving mechanism, and the second driving mechanism drives the open end wrench to rotate. Therefore, the automatic opening and closing of the pressure reducing valve are realized through the adjusting assembly, the automation degree of detection is improved, and the detection cost is reduced.

Description

High-precision valve intelligent test system

Technical Field

The utility model relates to a relief pressure valve performance detects technical field, in particular to high accuracy valve intelligent test system.

Background

The pressure reducing valve test bed is used for performance test of various pressure reducing valve products, the interface type of the pressure reducing valve product comprises a pipe-mounted structure and a plate-mounted structure, as shown in fig. 1, the pressure reducing valve with the pipe-mounted structure comprises a valve body, air inlets and air outlets are arranged on two sides of the valve body, an adjusting bolt and a locking nut are arranged at the top of the valve body, and the adjusting bolt is used for controlling the opening degree of an opening and closing piece in the valve body to adjust the flow of a medium; as shown in fig. 2, the pressure reducing valve with a plate structure comprises a valve body, wherein an air inlet and an air outlet with sealing rings are arranged at the bottom of the valve body, an outer hexagonal adjusting bolt and a locking nut are arranged at the top of the valve body, and the adjusting bolt is used for controlling the opening degree of an opening and closing part in the valve body to adjust the flow of a medium. The existing pressure reducing valve test bed is manually operated, is slow in clamping and low in automation auxiliary degree, and increases unnecessary auxiliary working hours.

Most of the existing pressure reducing valve test beds are single in detection product type, high in detection cost and low in automation degree, and cannot meet the increasing detection requirement.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a overcome the defect and not enough that exist among the prior art, for this reason the utility model provides a high accuracy valve intelligent test system can detect different types of relief pressure valve, simultaneously, can detect the performance of relief pressure valve automatically to satisfy current detection demand.

In order to realize the above purpose, the utility model provides a high accuracy valve intelligent test system, include:

the device comprises a frame, wherein a detection chamber and a material storage chamber are arranged in the frame;

a manipulator for gripping and placing the pressure reducing valve; and

the detection tool is used for sealing and clamping the pressure reducing valve and adjusting the opening and closing degree of the pressure reducing valve; the air inlet and the air outlet of the pressure reducing valve are communicated with an external air source through an air pipe, and a pressure sensor is arranged on the air pipe;

the manipulator and the detection tool are positioned in the detection chamber; the detection tool comprises a clamp assembly, an adjusting assembly and a fixed tray, wherein the clamp assembly is used for sealing and locking a pressure reducing valve on the fixed tray; the adjusting component comprises an inner hexagon wrench and an open end wrench; the inner hexagonal wrench is vertically inserted into an adjusting bolt on the pressure reducing valve through a first driving mechanism; the opening wrench is inserted into a locking nut on the pressure reducing valve through a second driving mechanism, and the second driving mechanism drives the opening wrench to rotate.

Furthermore, the first driving mechanism comprises a supporting plate fixed on the frame, a pressing cylinder A is arranged on the supporting plate, a push rod of the pressing cylinder A is connected with a sliding seat, a sliding block A and a guide rail A which are matched are arranged on the sliding seat, and the guide rail A is vertically fixed on the frame; still be equipped with motor A on the sliding seat, motor A passes through the coupling joint pivot, the bottom of pivot is fixed hexagon socket spanner.

Further, the second driving mechanism comprises a DD motor fixed on the frame, a rotor on the DD motor is connected with a rotary table, the end part of the rotary table is connected with a vertical three-rod cylinder A, a push rod of the three-rod cylinder A is connected with a transverse three-rod cylinder B, a push rod of the three-rod cylinder B is fixed with a torque sensor through a connecting plate, and the torque sensor is connected with the open end wrench.

Furthermore, the clamp assembly comprises a bottom plate and sliding plates positioned on two sides of the fixed tray, a vertical plate with a plug and a vertical pressing cylinder B are arranged at the top of each sliding plate, and a push rod of each pressing cylinder B is connected with a pressing plate; the bottom of the sliding plate is provided with a sliding block B and a guide rail B which are matched, and the guide rail B is fixed on the bottom plate; the sliding plate moves through a pushing cylinder, and the pushing cylinder is fixed on the bottom plate; the bottom plate is fixed on the frame; and a gas channel is arranged in the plug.

Furthermore, a positioning groove is arranged on the fixed tray, and a through hole is formed in the bottom of the positioning groove.

Furthermore, a positioning groove is arranged on the fixed tray, and two air holes are formed in the bottom of the positioning groove.

Further, the manipulator comprises a robot; the robot comprises a base, wherein a rotating seat driven by a motor B is arranged at the top of the base, a rear swing arm driven by a steering engine A is arranged on the rotating seat, a front swing arm driven by the steering engine B is arranged on the rear swing arm, a wrist driven by a steering engine C is arranged on the front swing arm, the wrist is connected with a wide air claw through a rotating plate, finger plates are respectively connected to two sides of the wide air claw, and the finger plates are used for clamping the pressure reducing valve.

Furthermore, a control display is arranged on the frame.

Further, the trolley to be tested and the qualified product trolley which are the same in structure are placed in the material storage chamber, material trays are stacked on the trolley to be tested and the qualified product trolley, each material tray comprises a tray body, and four support columns are arranged at the bottom of the tray body.

Furthermore, the number of the detection tools is two, and the two detection tools are symmetrically arranged relative to the manipulator.

Compared with the prior art, the beneficial effects of the utility model are that: the automatic opening and closing of the pressure reducing valve to be detected can be realized through the adjusting assembly in the detection tool so as to detect the performance of the pressure reducing valve; meanwhile, the air tightness can be detected through the pressure sensor; the automation degree of the pressure reducing valve detection is integrally improved, the labor intensity of workers is reduced, and the detection cost is reduced.

Drawings

FIG. 1 is a schematic view of a conventional pressure reducing valve having a tubular structure;

FIG. 2 is a schematic view of a conventional pressure reducing valve having a plate structure;

FIG. 3 is a schematic view of the present invention;

FIG. 4 is a schematic structural diagram of the inspection tool shown in FIG. 3;

FIG. 5 is a schematic structural view of the adjustment assembly of FIG. 4;

FIG. 6 is a schematic view of the clamp assembly of FIG. 4;

figure 7 is a schematic view of the robot of figure 3;

FIG. 8 is a schematic vent view of a pressure relief valve in a tubular configuration;

fig. 9 is a schematic vent view of a plate mounted pressure relief valve.

Wherein: 1. a frame; 2. a manipulator; 3. detecting a tool; 4. a qualified product trolley; 5. a trolley to be tested; 6. controlling the display; 21. a base; 22. a rear swing arm; 23. a front swing arm; 24. a wrist portion; 25. rotating the plate; 26. a wide gas claw; 27. a fingerboard; 31. a clamp assembly; 32. an adjustment assembly; 33. fixing the tray; 311. a base plate; 312. pushing into a cylinder; 313. a slide plate; 314. a pressing cylinder B; 315. pressing a plate; 316. a slide block B; 317. a guide rail B; 318. a vertical plate; 321. a support plate; 322. a pressing cylinder A; 323. a sliding seat; 324. a rotating shaft; 325. a DD motor; 326. a turntable; 327. a three-rod cylinder A; 328. a three-rod cylinder B; 329. an open end wrench; 331. a positioning groove; 332. a through hole; 333. and (4) air holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.

Examples

Referring to fig. 3 to 9, the present invention provides an intelligent testing system for a high precision valve, which includes a frame 1, a manipulator 2 and a detection tool 3; a detection chamber and a material storage chamber are arranged in the frame 1; the manipulator 2 is used for clamping and placing the pressure reducing valve; the detection tool 3 is used for sealing and clamping the pressure reducing valve and adjusting the opening and closing degree of the pressure reducing valve; during detection, the air inlet and the air outlet of the pressure reducing valve are communicated with an external air source through an air pipe, and a pressure sensor is arranged on the air pipe.

The manipulator 2 and the detection tool 3 are positioned in a detection chamber; the detection tool 3 comprises a clamp assembly 31, an adjusting assembly 32 and a fixed tray 33, wherein the clamp assembly 31 is used for sealing and locking a pressure reducing valve on the fixed tray 33; the adjustment assembly 32 includes an allen wrench and an open end wrench 329; the inner hexagon wrench is vertically inserted into an adjusting bolt on the pressure reducing valve through the first driving mechanism; the open end wrench 329 is inserted into a lock nut on the pressure reducing valve by a second driving mechanism, and the second driving mechanism drives the open end wrench 329 to rotate.

Preferably, the fixing tray 33 is provided with a positioning recess 331, and the bottom of the positioning recess 331 is provided with a through hole 332.

Preferably, the fixing tray 33 is provided with a positioning recess 331, and the bottom of the positioning recess 331 is provided with two air holes 333.

In the inspection of the pressure reducing valves of the tubular structure and the plate structure, only the fixed tray 33 needs to be replaced.

Preferably, the manipulator 2 comprises a robot; the robot can use an Anchuan GP7 robot to carry out the carrying operation of the pressure reducing valve, and the reference website is http:// www.molfa-robot.com/products/; this robot includes base 21, and base 21's top is equipped with the seat of rotating through motor B drive, rotates and is equipped with back swing arm 22 through steering wheel A drive on the seat, is equipped with preceding swing arm 23 through steering wheel B drive on the back swing arm 22, is equipped with wrist portion 24 through steering wheel C drive on the preceding swing arm 23, and wrist portion 24 connects wide type gas claw 26 through changeing board 25, and the both sides of wide type gas claw 26 are connected with fingerboard 27 respectively, and fingerboard 27 is used for pressing from both sides to get the relief pressure valve.

The wide pneumatic claw 26 can use SMC wide clamping jaw to take and discharge the valve body, and details are not repeated.

Preferably, the cart to be tested 5 and the qualified product cart 4 with the same structure are placed in the storage chamber, the material trays are stacked on the cart to be tested 5 and the qualified product cart 4 and comprise tray bodies, and four support columns are arranged at the bottoms of the tray bodies.

Preferably, a control display 6 is further arranged on the frame 1, and the control display 6 is used for displaying the measurement parameters and the operation interface.

As an embodiment of the present invention, the first driving mechanism includes a supporting plate 321 fixed on the frame 1, a pressing cylinder a322 is disposed on the supporting plate 321, a push rod of the pressing cylinder a322 is connected to the sliding seat 323, the sliding seat 323 is disposed with a sliding block a and a guide rail a, which are matched with each other, and the guide rail a is vertically fixed on the frame 1; the sliding seat 323 is further provided with a motor A, the motor A is connected with the rotating shaft 324 through a coupler, and an inner hexagonal wrench is fixed at the bottom of the rotating shaft 324.

As an embodiment of the present invention, the second driving mechanism includes a DD motor 325 fixed on the frame 1, a rotor connecting turntable 326 on the DD motor 325, a vertical three-rod cylinder a327 connected to an end of the turntable 326, a horizontal three-rod cylinder B328 connected to a push rod of the three-rod cylinder a327, a torque sensor fixed to a push rod of the three-rod cylinder B328 through a connecting plate, and an open wrench 329 connected to the torque sensor.

The DD in the DD motor 325 is a short for direct driver, and comprises a torque motor and a linear motor, and is a purchased part in the prior art, and a silver DMN series DD motor of Baijia Intelligent science and technology Co., ltd, dongguan can be selected, and the reference website is http:// www.

As an embodiment of the present invention, the clamp assembly 31 includes a bottom plate 311 and sliding plates 313 located at two sides of the fixing tray 33, a vertical plate 318 with a plug and a vertical pressing cylinder B314 are arranged at the top of the sliding plate 313, and a push rod of the pressing cylinder B314 is connected to the pressing plate 315; the bottom of the sliding plate 313 is provided with a sliding block B316 and a guide rail B317 which are matched, and the guide rail B317 is fixed on the bottom plate 311; the slide plate 313 is moved by a push-in cylinder 312, and the push-in cylinder 312 is fixed to the bottom plate 311; the bottom plate 311 is fixed on the frame 1; the plug is internally provided with a gas channel.

As the utility model discloses an embodiment, the quantity that detects frock 3 is two, and two detect frock 3 for 2 symmetrical arrangement of manipulator to this detection that satisfies two relief pressure valves improves detection efficiency.

The utility model discloses a working process: the pressure reducing valve is placed in a corresponding material tray, the material tray is placed on the trolley 5 to be tested, the trolley 5 to be tested and the qualified trolley 4 are pushed into the material storage chamber, the pressure reducing valve in the trolley 5 to be tested is conveyed to the fixed tray 33 by the mechanical arm 2, the sliding plate 313 drives the plug to move under the pushing of the pushing cylinder 312, and for the pressure reducing valve with a tubular structure, the plug seals and blocks an air inlet and an air outlet of the pressure reducing valve and is clamped; for the pressure reducing valve with a plate-shaped structure, the pressure reducing valve is clamped through a plug; then, the air cylinder B314 moves the pressing plate 315 vertically downward and presses the pressure reducing valve.

At this time, under the pushing action of the three-rod cylinder a327 and the three-rod cylinder B, the open wrench 329 is inserted into the lock nut of the pressure reducing valve, then the pressing cylinder a322 pushes the sliding seat 323 to move downward, the rotating shaft 324 passes through the hollow hole of the DD motor 325 and the rotating disc 326 in sequence, and the hexagon socket wrench on the rotating shaft 324 is inserted into the adjusting bolt of the pressure reducing valve. Then, the DD motor 325 drives the turntable 326 to rotate, the turntable 326 drives the three-rod cylinder a327 and the three-rod cylinder B to rotate, the three-rod cylinder B drives the open wrench 329 to rotate, the open wrench 329 can adjust the tightness of the locking nut, and when the locking nut is locked and the torque sensor detects that a preset value is reached, the DD motor 325 stops rotating. The pressure sensor is used for detecting pressure changes of an air outlet and an air inlet of the pressure reducing valve and pressure changes of the pressure reducing valve under different opening and closing degrees, so that the air tightness and the performance of the pressure reducing valve can be automatically detected. The qualified pressure reducing valves are placed on the qualified product trolley 5 through the manipulator 2, the unqualified pressure reducing valves are placed on the platform in the frame 1, and finally, the unqualified products, the trolley 5 to be tested and the qualified product trolley 4 are taken away by workers for material handling.

The automatic opening and closing of the pressure reducing valve are realized through the adjusting assembly 32, the automation degree of detection is improved, and the detection cost is reduced.

The present invention may be embodied in other specific forms without departing from its spirit or essential characteristics. Therefore, the above-described embodiments of the present invention should be considered only as illustrative and not restrictive in any way, the scope of the present invention being indicated by the claims, and any changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. The utility model provides a high accuracy valve intelligent test system which characterized in that includes:

the device comprises a frame (1), wherein a detection chamber and a material storage chamber are arranged in the frame (1);

a manipulator (2) for gripping and placing the pressure reducing valve;

the detection tool (3) is used for sealing and clamping the pressure reducing valve and adjusting the opening and closing degree of the pressure reducing valve; the air inlet and the air outlet of the pressure reducing valve are communicated with an external air source through an air pipe, and a pressure sensor is arranged on the air pipe;

the manipulator (2) and the detection tool (3) are positioned in the detection chamber; the detection tool (3) comprises a clamp assembly (31), an adjusting assembly (32) and a fixed tray (33), wherein the clamp assembly (31) is used for sealing and locking a pressure reducing valve on the fixed tray (33); the adjustment assembly (32) comprises an allen wrench and an open end wrench (329); the inner hexagonal wrench is vertically inserted into an adjusting bolt on the pressure reducing valve through a first driving mechanism; the open end wrench (329) is inserted into a lock nut on the pressure reducing valve through a second driving mechanism, and the second driving mechanism drives the open end wrench (329) to rotate.

2. The high-precision intelligent valve testing system according to claim 1, wherein the first driving mechanism comprises a supporting plate (321) fixed on the frame (1), a pressing cylinder A (322) is arranged on the supporting plate (321), a push rod of the pressing cylinder A (322) is connected with a sliding seat (323), a matched sliding block A and a matched guide rail A are arranged on the sliding seat (323), and the guide rail A is vertically fixed on the frame (1); still be equipped with motor A on sliding seat (323), motor A passes through coupling joint pivot (324), the bottom of pivot (324) is fixed hexagon socket spanner.

3. The high-precision intelligent valve testing system according to claim 2, wherein the second driving mechanism comprises a DD motor (325) fixed on the frame (1), a rotor on the DD motor (325) is connected with a rotary disc (326), the end of the rotary disc (326) is connected with a vertical three-rod air cylinder A (327), a push rod of the three-rod air cylinder A (327) is connected with a transverse three-rod air cylinder B (328), a push rod of the three-rod air cylinder B (328) is fixed with a torque sensor through a connecting plate, and the torque sensor is connected with the open wrench (329).

4. The high-precision intelligent valve testing system according to claim 3, wherein the clamp assembly (31) comprises a bottom plate (311) and sliding plates (313) positioned on two sides of the fixed tray (33), a vertical plate (318) with a plug and a vertical pressing cylinder B (314) are arranged at the top of each sliding plate (313), and a push rod of each pressing cylinder B (314) is connected with the corresponding pressing plate (315); the bottom of the sliding plate (313) is provided with a sliding block B (316) and a guide rail B (317) which are matched with each other, and the guide rail B (317) is fixed on the bottom plate (311); the sliding plate (313) moves through a pushing cylinder (312), and the pushing cylinder (312) is fixed on the bottom plate (311); the bottom plate (311) is fixed on the frame (1); and a gas channel is arranged in the plug.

5. The high-precision intelligent valve testing system according to claim 1, wherein a positioning groove (331) is formed in the fixing tray (33), and a through hole (332) is formed in the bottom of the positioning groove (331).

6. The high-precision intelligent valve testing system according to claim 1, wherein a positioning groove (331) is formed in the fixing tray (33), and two air holes (333) are formed in the bottom of the positioning groove (331).

7. The high precision intelligent valve testing system of claim 1, wherein the manipulator (2) comprises a robot; the robot includes base (21), the top of base (21) is equipped with the rotation seat through motor B driven, be equipped with on the rotation seat through steering wheel A driven back swing arm (22), be equipped with on back swing arm (22) through steering wheel B driven preceding swing arm (23), be equipped with on preceding swing arm (23) through steering wheel C driven wrist portion (24), wide type gas claw (26) is connected through changeing board (25) in wrist portion (24), the both sides of wide type gas claw (26) are connected with fingerboard (27) respectively, fingerboard (27) are used for the clamp to get the relief pressure valve.

8. The high-precision intelligent valve testing system according to claim 1, wherein a control display (6) is further arranged on the frame (1).

9. The high-precision intelligent valve testing system according to claim 1, wherein a trolley (5) to be tested and a qualified product trolley (4) which are identical in structure are placed in the material storage chamber, material trays are stacked on the trolley (5) to be tested and the qualified product trolley (4), each material tray comprises a tray body, and four supporting columns are arranged at the bottom of the tray body.

10. The high-precision intelligent valve testing system according to any one of claims 1 to 9, wherein the number of the detection tools (3) is two, and the two detection tools (3) are symmetrically arranged relative to the manipulator (2).