Positioning clamp for valve assembly

Abstract

The utility model provides a positioning fixture for assembling a valve. The positioning fixture comprises a bottom plate, wherein a vertical plate and two side plates are mounted at the top of the bottom plate; the transverse shaft is rotationally mounted on the sides, close to each other, of the two side plates and is provided with a rotating plate; the support is fixedly mounted on the rotating plate; the angle adjusting mechanism is arranged on the bottom plate and used for adjusting the angle of the valve; the adjusting mechanism is arranged on the support and used for adjusting the distance between the two clamping and fixing mechanisms; and the two clamping and fixing mechanisms are arranged on the adjusting mechanism, and the two clamping and fixing mechanisms are used for clamping and fixing a valve. According to the positioning clamp for valve assembling, valves of different sizes can be clamped and fixed, the directions and angles of the valves can be conveniently adjusted, operation is convenient, and practicability is high.

Description

Technical Field

[0001] The utility model belongs to the technical field of valve processing, and in particular relates to a positioning fixture for valve assembly. Background Art

[0002] Valves are pipe accessories used to open and close pipes, control flow direction, and adjust and control the parameters (temperature, pressure, and flow) of the conveying medium. According to their functions, they can be divided into shut-off valves, check valves, regulating valves, etc. During the valve processing process, a positioning fixture is required to clamp and fix the valve.

[0003] However, the existing valve assembly is fixed by a positioning fixture structure, so it is inconvenient to clamp and fix valves of different sizes. Utility Model Content

[0004] The utility model provides a positioning fixture for valve assembly, aiming to solve the problem that the existing positioning fixture for valve assembly proposed in the above background technology cannot clamp and fix valves of different sizes.

[0005] To solve the above problems, the utility model is implemented as follows: a positioning fixture for valve assembly, comprising: a bottom plate with a vertical plate and two side plates installed on the top, the vertical plate and the two side plates forming the three vertices of a triangle; a horizontal axis rotatably installed on one side of the two side plates close to each other and sleeved with a rotating plate; a support fixedly installed on the top of the rotating plate; an angle adjustment mechanism arranged on the bottom plate, the angle adjustment mechanism is used to adjust the angle of the rotating plate; an adjustment mechanism arranged on the support, the adjustment mechanism is used to adjust the distance between two clamping and fixing mechanisms; two clamping and fixing mechanisms are arranged on the adjustment mechanism, the two clamping and fixing mechanisms are used to clamp and fix the valve.

[0006] Preferably, the angle adjustment mechanism includes: a first servo motor fixedly mounted on the base plate; a worm fixedly mounted on the output shaft of the first servo motor and rotatably connected to the vertical plate; and a worm wheel fixedly sleeved on the horizontal axis and meshing with the worm.

[0007] Preferably, the adjustment mechanism includes: a dual-axis motor fixedly mounted at the center of the inner wall at the top of the support; two one-way screws fixedly mounted at both ends of the dual-axis motor output shaft and rotatably connected to the inner wall of the support; two strip openings, the two strip openings are opened at the top of the support and are symmetrically distributed about the dual-axis motor; a transverse limit rod, the transverse limit rod is fixedly mounted between the inner walls at both ends of the support; two sliding plates respectively threadedly mounted on the two one-way screws and slidably connected to a plurality of the transverse limit rods; and two rotating shafts rotatably mounted on the two sliding plates.

[0008] Preferably, the clamping and fixing mechanism includes: a U-shaped plate fixedly mounted at one end of the rotating shaft, the open side of the U-shaped plate facing away from the rotating shaft; a bidirectional screw rotatably mounted between the upper and lower inner walls of the U-shaped plate; a second servo motor fixedly mounted on the outer side of the U-shaped plate and transmission connected to the bidirectional screw; two L-shaped connecting plates threadedly mounted on the two threaded sections of the bidirectional screw, the vertical sections of the two L-shaped connecting plates facing away from each other; and two arc-shaped clamping covers respectively fixedly mounted on the vertical sections of the two L-shaped connecting plates.

[0009] Preferably, a plurality of longitudinal limit rods are fixedly installed between the upper and lower inner walls of the two U-shaped plates, and the plurality of longitudinal limit rods are slidably connected to the two L-shaped connecting plates respectively.

[0010] Preferably, a buffer pad is provided on the inner wall of each of the plurality of arc-shaped clamping covers, and the buffer pad is made of rubber material.

[0011] Preferably, a stepper motor is fixedly mounted on one side of one of the sliding plates, and an output shaft of the stepper motor is fixedly connected to one of the rotating shafts.

[0012] Compared with the related art, the valve assembly positioning fixture provided by the utility model has the following beneficial effects:

[0013] Compared with the prior art, the valve assembly positioning fixture provided by the present invention has a vertical plate and two side plates installed on the bottom plate, which provides a stable support structure for the entire fixture; the horizontal axis is rotatably installed between the two side plates, and is provided with a rotating plate, allowing the rotating plate to flexibly rotate in the horizontal direction; the support is fixedly installed on the rotating plate, serving as the installation basis for subsequent mechanisms; the angle adjustment mechanism is arranged on the bottom plate, which can accurately adjust the angle of the valve to meet different assembly requirements; the adjustment mechanism is installed on the support, and is used to adjust the distance between the two clamping and fixing mechanisms to adapt to valves of different sizes and specifications; finally, the two clamping and fixing mechanisms are installed on the adjustment On the joint mechanism, they can firmly clamp the flanges on both sides of the valve to ensure the stable position of the valve during the assembly process. Through this design, the valve assembly positioning fixture can flexibly adapt to valves of different sizes and angles, thereby improving the accuracy and efficiency of assembly. The coordinated use of the angle adjustment mechanism and the adjustment mechanism makes the valve positioning more accurate and reduces the error in the assembly process. At the same time, the stable clamping of the clamping and fixing mechanism ensures that the valve will not be displaced during the assembly process, thereby further improving the assembly quality. In short, the positioning fixture of the present invention has a reasonable design and perfect functions, and provides strong support for valve assembly work. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the main structure of a positioning fixture for valve assembly provided by the utility model;

[0015] Figure 2 for Figure 1 A schematic diagram of the side appearance structure of the clamping and fixing mechanism;

[0016] Figure 3 for Figure 1 Schematic diagram of the three-dimensional assembly structure of the middle support and sliding plate.

[0017] Figure numerals: 1. bottom plate; 2. vertical plate; 3. side plate; 4. horizontal axis; 5. rotating plate; 6. support; 7. strip opening; 8. transverse limit rod; 9. first servo motor; 10. worm; 11. worm wheel; 12. dual-axis motor; 13. one-way screw; 14. sliding plate; 15. rotating shaft; 16. U-shaped plate; 17. two-way screw; 18. second servo motor; 19. L-shaped connecting plate; 20. arc-shaped clamping cover; 21. longitudinal limit rod; 22. buffer pad; 23. stepping motor. DETAILED DESCRIPTION

[0018] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field of the present application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit the present application; the terms "including" and "having" in the specification and claims of the present application and the above-mentioned figure descriptions and any variations thereof are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of the present application or the above-mentioned figures are used to distinguish different objects, rather than to describe a specific order; the terms "inside", "outside", "left", and "right" indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0019] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0020] The utility model provides a positioning fixture for valve assembly, such as Figure 1-3As shown, the positioning fixture for valve assembly includes: a bottom plate 1 with a vertical plate 2 and two side plates 3 installed on the top, the vertical plate and the two side plates constitute the three vertices of a triangle; a horizontal axis 4 rotatably installed on one side of the two side plates 3 close to each other and sleeved with a rotating plate 5; a support 6 fixedly installed on the top of the rotating plate 5; an angle adjustment mechanism arranged on the bottom plate 1, the angle adjustment mechanism is used to adjust the angle of the rotating plate; an adjustment mechanism arranged on the support 6, the adjustment mechanism is used to adjust the distance between the two clamping and fixing mechanisms; two clamping and fixing mechanisms are arranged on the adjustment mechanism, and the two clamping and fixing mechanisms are used to clamp and fix the valve.

[0021] In this embodiment, a vertical plate 2 and two side plates 3 are installed on the bottom plate 1, providing a stable support structure for the entire fixture; the horizontal axis 4 is rotatably installed between the two side plates 3 and is provided with a rotating plate 5, allowing the rotating plate 5 to move flexibly in the horizontal direction; the support 6 is fixedly installed on the rotating plate 5, serving as the installation basis for the subsequent mechanism; the angle adjustment mechanism is arranged on the bottom plate 1, used to adjust the angle of the rotating plate; the adjustment mechanism is installed on the support 6, used to adjust the distance between the two clamping and fixing mechanisms to adapt to valves of different sizes and specifications; finally, the two clamping and fixing mechanisms are installed on the adjustment mechanism, which can firmly clamp the flanges on both sides of the fixed valve to ensure that the position of the valve is stable during the assembly process. Through this design, the positioning fixture for valve assembly can flexibly adapt to valves of different sizes and angles, improve the accuracy and efficiency of assembly, and the coordinated use of the angle adjustment mechanism and the adjustment mechanism makes the positioning of the valve more accurate and reduces the error in the assembly process. At the same time, the stable clamping of the clamping and fixing mechanism ensures that the valve will not be displaced during the assembly process, further improving the assembly quality. In short, the positioning fixture of the present invention has a reasonable design and perfect functions, providing strong support for valve assembly work.

[0022] In a further preferred embodiment of the utility model, the angle adjustment mechanism includes: a first servo motor 9 fixedly mounted on the base plate 1; a worm 10 fixedly mounted on the output shaft of the first servo motor 9 and rotatably connected to the vertical plate 2; and a worm wheel 11 fixedly sleeved on the horizontal shaft 4 and meshing with the worm 10.

[0023] In this embodiment, the first servo motor 9 drives the worm 10 to rotate, the worm 10 drives the worm wheel 11 to rotate, and the worm wheel 11 drives the rotating plate 5 and the support 6 to rotate through the horizontal axis 4, thereby adjusting the angle of the valve.

[0024] In a further preferred embodiment of the utility model, the adjustment mechanism includes: a dual-axis motor 12 fixedly mounted at the center of the inner wall at the top of the support 6; two one-way screws 13 respectively fixedly mounted at both ends of the output shaft of the dual-axis motor 12 and rotatably connected to the inner wall of the support 6; two strip openings 7, the two strip openings are opened at the top of the support and are symmetrically distributed about the dual-axis motor; a transverse limit rod 8, the transverse limit rod is fixedly mounted between the inner walls at both ends of the support; two sliding plates 14 respectively threadedly mounted on the two one-way screws 13 and slidably connected to multiple transverse limit rods 8; two rotating shafts 15 rotatably mounted on the two sliding plates 14.

[0025] In this embodiment, the two sliding plates 14 can be guided and limited by a plurality of transverse limiting rods 8 .

[0026] In this embodiment, the two one-way screws 13 are driven to rotate by the dual-axis motor 12. The rotation of the two one-way screws 13 can drive the two sliding plates 14 to move closer to or away from each other. The two sliding plates 14 drive the two clamping and fixing mechanisms to move closer to or away from each other, so that the clamp is suitable for valves of different sizes.

[0027] In a further preferred embodiment of the utility model, the clamping and fixing mechanism includes: a U-shaped plate 16 fixedly mounted on one end of the rotating shaft 15, the open side of the U-shaped plate facing away from the rotating shaft; a bidirectional screw 17 rotatably mounted between the upper and lower inner walls of the U-shaped plate 16; a second servo motor 18 fixedly mounted on the outer side of the U-shaped plate 16 and transmission connected to the bidirectional screw 17; two L-shaped connecting plates 19 threadedly sleeved on the two threaded sections of the bidirectional screw 17, the vertical sections of the two L-shaped connecting plates facing away from each other; and two arc-shaped clamping covers 20 respectively fixedly mounted on the vertical sections of the two L-shaped connecting plates 19.

[0028] In this embodiment, the bidirectional screw 17 is driven to rotate by the second servo motor 18, and the rotation of the bidirectional screw 17 drives the two L-shaped connecting plates 19 and the two arc-shaped clamping covers 20 to approach each other, thereby clamping and fixing flanges of valves of different sizes.

[0029] In a further preferred embodiment of the present invention, a plurality of longitudinal limit rods 21 are fixedly installed between the upper and lower inner walls of the two U-shaped plates 16 , and the plurality of longitudinal limit rods 21 are slidably connected to the two L-shaped connecting plates 19 , respectively.

[0030] In this embodiment, the plurality of L-shaped connecting plates 19 can be guided and limited by the plurality of longitudinal limiting rods 21 .

[0031] In a further preferred embodiment of the present invention, a buffer pad 22 is disposed on the inner wall of each of the arc-shaped clamping covers 20 , and the buffer pad 22 is made of rubber.

[0032] In this embodiment, the buffer pad 22 can improve the stability of the valve after being clamped and fixed.

[0033] In a further preferred embodiment of the present invention, a stepper motor 23 is fixedly mounted on one side of one of the sliding plates 14 , and an output shaft of the stepper motor 23 is fixedly connected to one of the rotating shafts 15 .

[0034] In this embodiment, the stepping motor 23 can drive the rotating shaft 15 to rotate, and the rotating shaft 15 drives the valve to rotate through the clamping and fixing mechanism, so as to adjust the direction of the valve.

[0035] In summary, compared with the relevant technology, the clamp can not only clamp and fix valves of different sizes, but also facilitate the adjustment of the direction and angle of the valve, and is relatively easy to operate and has strong practicality.

[0036] In the several embodiments provided in this application, it should be understood that the disclosed device can be implemented in other ways.

[0037] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit the protection scope of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. Although the utility model has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the utility model according to the circumstances without conflict, without making creative work, so as to obtain different other technical solutions that do not deviate from the concept of the utility model in essence, and these technical solutions also belong to the scope of protection of the utility model.

Claims

1. A positioning fixture for valve assembly, characterized in that: include: A bottom plate having a vertical plate and two side plates mounted on the top, wherein the vertical plate and the two side plates form three vertices of a triangle; A horizontal axis rotatably mounted on one side of the two side plates close to each other and sleeved with a rotating plate; a support fixedly mounted on the top of the rotating plate; an angle adjustment mechanism arranged on the bottom plate, the angle adjustment mechanism is used to adjust the angle of the rotating plate; an adjustment mechanism arranged on the support, the adjustment mechanism is used to adjust the distance between the two clamping and fixing mechanisms; two clamping and fixing mechanisms are arranged on the adjustment mechanism, and the two clamping and fixing mechanisms are used to clamp and fix the valve.

2. The valve assembly positioning fixture according to claim 1, characterized in that: The angle adjustment mechanism includes: a first servo motor fixedly mounted on the bottom plate; a worm fixedly mounted on the output shaft of the first servo motor and rotatably connected to the vertical plate; and a worm wheel fixedly sleeved on the horizontal axis and meshing with the worm.

3. The valve assembly positioning fixture according to claim 2, characterized in that: The adjustment mechanism includes: a dual-axis motor fixedly mounted at the center of the inner wall at the top of the support; two one-way screws fixedly mounted at both ends of the dual-axis motor output shaft and rotatably connected to the inner wall of the support; two strip openings, the two strip openings are opened at the top of the support and are symmetrically distributed about the dual-axis motor; a transverse limit rod, the transverse limit rod is fixedly mounted between the inner walls at both ends of the support; two sliding plates respectively threadedly mounted on the two one-way screws and slidably connected to a plurality of the transverse limit rods; and two rotating shafts rotatably mounted on the two sliding plates.

4. The valve assembly positioning fixture according to claim 3, characterized in that: The clamping and fixing mechanism includes: a U-shaped plate fixedly mounted at one end of the rotating shaft, with the open side of the U-shaped plate facing away from the rotating shaft; a bidirectional screw rotatably mounted between the upper and lower inner walls of the U-shaped plate; a second servo motor fixedly mounted on the outer side of the U-shaped plate and transmission-connected to the bidirectional screw; two L-shaped connecting plates threadedly sleeved on the two threaded sections of the bidirectional screw, with the vertical sections of the two L-shaped connecting plates facing away from each other; and two arc-shaped clamping covers respectively fixedly mounted on the vertical sections of the two L-shaped connecting plates.

5. The valve assembly positioning fixture according to claim 4, characterized in that: A plurality of longitudinal limiting rods are fixedly installed between the upper and lower inner walls of the two U-shaped plates, and the plurality of longitudinal limiting rods are respectively slidably connected to the two L-shaped connecting plates.

6. The valve assembly positioning fixture according to claim 5, characterized in that: Buffer pads are arranged on the inner walls of the plurality of arc-shaped clamping covers, and the buffer pads are made of rubber material.

7. The valve assembly positioning fixture according to claim 4, characterized in that: A stepper motor is fixedly mounted on one side of one of the sliding plates, and an output shaft of the stepper motor is fixedly connected to one of the rotating shafts.

Images