Valve body positioning clamp with quick-change structure

Abstract

The utility model relates to a valve body positioning fixture with a quick-change structure, which comprises a base, a quick-change support plate, a compression component, a quick-change compression block component and a limit slider component, the quick-change support plate is fixedly mounted at the upper end of the base, the compression component is fixedly mounted at the lower end of the base and positioned below the quick-change support plate, and the limit slider component is fixedly mounted at the lower end of the base and positioned below the quick-change support plate. The number of the quick-change pressing block assemblies is multiple, one end of each quick-change pressing block assembly is installed on the base, the other end of each quick-change pressing block assembly can be pressed on the quick-change supporting plate, one end of each limiting sliding block assembly is fixedly connected to the base, and the other end of each limiting sliding block assembly is in sliding fit with the upper end of the base. By the adoption of the scheme, positioning clamps matched with different valve body types can be rapidly replaced, the time for replacing the clamps is effectively shortened, the production efficiency is improved, replacement operation is simple, the skill requirement for operators is lowered, and in addition, the overall stability of the positioning clamps cannot be affected after replacement operation.

Description

Technical Field

[0001] The utility model relates to the technical field of tooling fixtures, in particular to a valve body positioning fixture with a quick-change structure. Background Art

[0002] In the current industrial production field, especially in precision machinery manufacturing, automated production lines and various valve body processing processes, the positioning and fixation of the valve body is a crucial link.

[0003] Traditional valve body positioning fixtures often have fixed structures, and the installation and disassembly process is cumbersome and time-consuming, which cannot meet the needs of modern industrial production for efficient and fast replacement and adaptation to different specifications of valve bodies. This problem is particularly prominent in the case of mass production or frequent changes in product models, which not only affects production efficiency, but also may increase the labor intensity of workers. Therefore, a fixture that can be quickly replaced is needed to significantly reduce production preparation time and improve equipment utilization. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a valve body positioning fixture with a quick-change structure, which can quickly replace the positioning fixtures suitable for different valve body models, effectively reducing the time for replacing the fixtures, improving production efficiency, and the replacement operation is simple, reducing the skill requirements for the operating workers. In addition, the replacement operation will not affect the overall stability of the positioning fixture.

[0005] In order to solve the above technical problems, the technical solutions provided by the utility model are as follows:

[0006] A valve body positioning fixture with a quick-change structure comprises a base, a quick-change support plate, a clamping assembly, a quick-change clamping block assembly and a limiting slider assembly, wherein the quick-change support plate is fixedly mounted on the upper end of the base, the clamping assembly is fixedly mounted on the lower end of the base and is located below the quick-change support plate, a plurality of quick-change clamping block assemblies are provided, one end of the plurality of quick-change clamping block assemblies is mounted on the base, and the other end can be pressed on the quick-change support plate, one end of the limiting slider assembly is fixedly connected to the base, and the other end slides with the upper end of the base.

[0007] The cam is fixedly mounted on an outer wall of the base, the motor being fixedly mounted in the base, the shift rod being fixedly mounted on the outer wall of the base, the shift rod being fixedly mounted on the inner wall of the motor, the shift rod being fixedly mounted on the outer wall of the base, the shift rod being fixedly mounted on the outer wall of the motor

[0008] Preferably, the quick-change clamping block assembly includes a quick-change clamping block and a bolt, a countersunk hole is provided in the quick-change clamping block, the bolt is slidably fitted in the countersunk hole, the quick-change clamping block is fixedly connected to the quick-change support plate by the bolt, and a limit block is also provided on the quick-change clamping block, the limit block is fixedly provided at the upper opening of the countersunk hole and extends in a ring shape along the circumference of the countersunk hole.

[0009] Preferably, the clamping assembly includes a cylinder, a lifting and clamping block and a guide rod, the cylinder is fixedly installed at the lower end of the base, the lifting and clamping block is fixedly installed on the piston rod of the cylinder, the lifting and clamping block can move up and down under the drive of the cylinder, and a guide hole is also provided on the lifting and clamping block, the guide rod is fixedly installed at the lower end of the base, and the guide hole is slidably matched with the guide rod.

[0010] Preferably, a second groove is provided on the side wall of the quick-change support plate, and the quick-change pressing block can be pressed into the second groove.

[0011] Preferably, the quick-change support plate is further provided with a through hole, and a plurality of the through holes are provided, and the plurality of the through holes can be used to install various positioning supports.

[0012] The beneficial effects of the utility model are as follows: when it is necessary to position the valve body workpiece to be processed, first various positioning supports are installed on the quick-change support plate, then the quick-change support plate is placed on the upper surface of the base, and then the limit slider assembly will automatically push the limit slider into the quick-change support plate, so that the quick-change support plate cannot rock back and forth, and then one end of the quick-change clamping block assembly is fixedly connected to the base, and the other end is pressed into the second groove of the quick-change support plate; after the quick-change clamping block assembly is fixed, the valve body to be processed can be installed on the quick-change support plate, and finally, the lifting and lowering clamping block in the clamping assembly is pressed down to complete the clamping of the lower end of the valve body. After the above operations are completed, the positioning of the valve body to be processed is completed; when it is necessary to process valve bodies of different shapes, the valve body to be processed can be positioned. The positioning fixture can be quickly replaced by replacing the quick-change support plate. Before replacement, the lifting and lowering clamping block in the clamping assembly rises first to take out the processed valve body workpiece, and then the quick-change clamping block assembly is screwed out of the base. At the same time, the limit slider assembly controls the limit slider to make it slide out of the quick-change support plate. Then the quick-change support plate can be removed from the base, and another quick-change support plate that has been equipped with a positioning support is placed on it. The installation and fixing process is the same as above. In this way, the positioning fixture suitable for different valve body models can be quickly replaced, which effectively reduces the time for replacing the fixture and improves production efficiency. The replacement operation is simple and reduces the skill requirements for the operating workers. In addition, the replacement operation will not affect the overall stability of the positioning fixture. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The utility model is further described below in conjunction with the accompanying drawings and specific embodiments:

[0014] Figure 1 This is a structural schematic diagram of the valve body positioning fixture with a quick-change structure described in the utility model (1);

[0015] Figure 2 This is a structural schematic diagram of the valve body positioning fixture with a quick-change structure described in the utility model (2);

[0016] Figure 3 It is a structural schematic diagram of a limit slider assembly in a valve body positioning fixture with a quick-change structure according to the utility model;

[0017] Figure 4 This is a schematic diagram of the connection relationship between the elastic member and the limit slider in the valve body positioning fixture with a quick-change structure of the utility model;

[0018] Figure 5 It is a structural schematic diagram of a quick-change clamping block assembly in a valve body positioning fixture with a quick-change structure according to the utility model;

[0019] Figure 6 It is a structural schematic diagram of the clamping assembly in the valve body positioning fixture with a quick-change structure described in the utility model.

[0020] in:

[0021] 1- Base;

[0022] 2-quick-change support plate; 21-second groove; 22-through hole;

[0023] 3-clamping assembly; 31-cylinder; 32-lifting and clamping block; 321-guide hole; 33-guide rod;

[0024] 4-quick-change clamping block assembly; 41-quick-change clamping block; 411-limiting block; 412-countersunk hole; 42-bolt;

[0025] 5-limiting slider assembly; 51-limiting slider; 52-first push rod; 53-rotating rod; 54-connecting rod; 541-convex column; 55-shift rod; 551-first groove; 56-motor; 57-support seat; 58-elastic member. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0027] In the description of the present invention, it is necessary to understand that the directions and positional relationships indicated by “up”, “down”, “left”, “right”, “front”, “back”, “vertical”, “bottom”, “inside” and “outside” are based on the directions or positional relationships shown in the accompanying drawings, and 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.

[0028] like Figures 1 to 6 As shown,

[0029] A valve body positioning fixture with a quick-change structure includes a base 1, a quick-change support plate 2, a clamping assembly 3, a quick-change clamping block assembly 4 and a limit slider assembly 5. The quick-change support plate 2 is fixedly installed on the upper end of the base 1, the clamping assembly 3 is fixedly installed on the lower end of the base 1 and is located below the quick-change support plate 2. A plurality of quick-change clamping block assemblies 4 are provided, one end of the plurality of quick-change clamping block assemblies 4 is installed on the base 1, and the other end can be pressed on the quick-change support plate 2. One end of the limit slider assembly 5 is fixedly connected to the base 1, and the other end slides with the upper end of the base 1.

[0030] In this way, when it is necessary to position the valve body workpiece to be processed, first install various positioning supports on the quick-change support plate 2, then place the quick-change support plate 2 on the upper surface of the base 1, and then the limit slider assembly 5 will automatically push the limit slider 51 into the quick-change support plate 2, so that the quick-change support plate 2 cannot rock back and forth, and then one end of the quick-change clamping block assembly 4 is fixedly connected to the base 1, and the other end is pressed into the second groove 21 of the quick-change support plate 2; after the quick-change clamping block assembly 4 is fixed, the valve body to be processed can be installed on the quick-change support plate 2, and finally, the lifting and clamping block 32 in the clamping assembly 3 is pressed down to complete the clamping of the lower end of the valve body. After the above operations are completed, the positioning of the valve body to be processed is completed; when it is necessary to process valve bodies of different shapes, through Replace the quick-change support plate 2 to quickly complete the replacement of the positioning fixture. Before replacement, the lifting and clamping block 32 in the clamping assembly 3 rises first to take out the processed valve body workpiece, and then the quick-change clamping block assembly 4 is screwed out of the base 1. At the same time, the limit slider assembly 5 controls the limit slider 51 to make it slide out of the quick-change support plate 2. Then the quick-change support plate 2 can be removed from the base 1, and another quick-change support plate 2 that has been equipped with a positioning support is placed on it. The installation and fixing process is the same as above. In this way, the positioning fixture suitable for different valve body models can be quickly replaced, which effectively reduces the time for replacing the fixture and improves production efficiency. The replacement operation is simple and reduces the skill requirements for the operating workers. In addition, the replacement operation will not affect the overall stability of the positioning fixture.

[0031] In addition, the limit slider assembly 5 includes a limit slider 51, a first push rod 52, a rotating rod 53, a connecting rod 54, a lever 55, a motor 56, a support seat 57 and an elastic member 58. The support seat 57 is fixedly mounted on the outer wall of the base 1, the motor 56 is fixedly mounted in the support seat 57, the lever 55 is fixedly mounted on the rotating shaft of the motor 56, and a first groove 551 is provided on the lever 55. The first end of the connecting rod 54 is rotatably connected to the upper end of the support seat 57, the connecting rod 54 is not in contact with the rotating shaft of the motor 56 and is located below the lever 55. 4 is provided with a boss 541, a first groove 551 can be snapped onto the boss 541 and drive the boss 541 to rotate, the second end of the rotating rod 53 is rotatably connected to the second end of the connecting rod 54, the first end of the rotating rod 53 is rotatably connected to the first end of the first push rod 52, the second end of the limit slider 51 is fixedly installed on the second end of the first push rod 52, the limit slider 51 is slidably matched with the upper end of the base 1, the first end of the elastic member 58 is fixedly connected to the first end of the limit slider 51, and the second end of the elastic member 58 is fixedly connected to the inner side wall of the base 1. Specifically, the lower end of the quick-change support plate 2 is provided with a notch or a groove, the size of which is just enough to match the limit slider 51.

[0032] In this way, when the limiting slider assembly 5 is in the limited state, the first groove 551 is not in contact with the boss 541, and the elastic member 58 is in a normal state. At this time, the limiting slider 51 is just clamped on the lower end of the quick-change support plate 2, thereby limiting the forward and backward shaking of the quick-change support plate 2; when the quick-change support plate 2 needs to be replaced, the motor 56 drives the lever 55 to rotate, so that the first groove 551 is clamped on the boss 541 and drives the connecting rod 54 connected to the boss 541 to rotate, and the rotating connecting rod 54 will also drive the first push rod 52, so that the first push rod 52 brings the limiting slider 51 away from the quick-change support plate 2 When the lever 55 is moved in the opposite direction, the motor 56 stops rotating after the lever 55 is rotated to a certain angle, and the boss 541 is always supported on the inner wall of the first groove 551 at this time, and the elastic member 58 is in a stretched state; after the new quick-change support plate 2 is replaced, the motor 56 drives the lever 55 to rotate in the opposite direction. When it rotates to an angle where the boss 541 cannot be supported on the inner wall of the first groove 551, the elastic member 58 will be reset, and the boss 541 will slide out of the first groove 551. At the same time, the elastic member 58 will drive the limiting slider 51 to slide into the lower end of the quick-change support plate 2, thereby limiting the forward and backward shaking of the quick-change support plate 2 again.

[0033] In addition, the quick-change clamping block assembly 4 includes a quick-change clamping block 41 and a bolt 42. A countersunk hole 412 is provided in the quick-change clamping block 41. The bolt 42 slides in the countersunk hole 412. The quick-change clamping block 41 is fixedly connected to the quick-change support plate 2 through the bolt 42. A limit block 411 is also provided on the quick-change clamping block 41. The limit block 411 is fixedly provided at the upper opening of the countersunk hole 412 and extends in a ring shape along the circumference of the countersunk hole 412. Specifically, when fixing the quick-change support plate 2, one end of the quick-change clamping block 41 is fixed to the base 1 with the bolt 42, and the other end is located in the second groove 21. After tightening the bolt 42, the quick-change clamping block 41 can just clamp the quick-change support plate 2.

[0034] In this way, the quick-change clamping block 41 can press the quick-change support plate 2, limiting the movement of the quick-change clamping block 41 and ensuring the stability of the entire fixture during the processing; when the quick-change clamping block 41 needs to be removed, it is only necessary to loosen the bolt 42, and the bolt head of the bolt 42 will press against the limit block 411, thereby pushing the quick-change clamping block 41 out together, making the process of replacing the quick-change support plate 2 more efficient.

[0035] In addition, the clamping assembly 3 includes a cylinder 31, a lifting and clamping block 32 and a guide rod 33. The cylinder 31 is fixedly installed at the lower end of the base 1, and the lifting and clamping block 32 is fixedly installed on the piston rod of the cylinder 31. The lifting and clamping block 32 can move up and down under the drive of the cylinder 31. The lifting and clamping block 32 is also provided with a guide hole 321. The guide rod 33 is fixedly installed at the lower end of the base 1, and the guide hole 321 is slidably matched with the guide rod 33.

[0036] In this way, the lower end of the valve body to be processed can be fixed by raising and lowering the lifting and clamping block 32, thereby preventing it from moving up and down during the processing; the setting of the guide rod 33 ensures that the lifting and clamping block 32 always maintains smooth movement in the vertical direction during the movement, thereby avoiding the problem of unstable clamping caused by uneven force or offset.

[0037] In addition, a second groove 21 is provided on the side wall of the quick-change support plate 2 , and the quick-change pressing block 41 can be pressed into the second groove 21 .

[0038] In this way, rapid and accurate disassembly and assembly of the quick-change support plate 2 can be achieved.

[0039] In addition, the quick-change support plate 2 is also provided with a through hole 22, and a plurality of through holes 22 are provided. The plurality of through holes 22 can be used to install various positioning supports.

[0040] In this way, the provision of multiple through holes 22 enables the quick-change support plate 2 to have high adaptability and flexibility, and different types of positioning supports can be freely selected and installed according to different application scenarios and requirements to meet diverse production and processing needs.

[0041] In short, the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A valve body positioning fixture with a quick-change structure, characterized in that: It comprises a base (1), a quick-change support plate (2), a clamping assembly (3), a quick-change clamping block assembly (4) and a limiting slider assembly (5), wherein the quick-change support plate (2) is fixedly mounted on the upper end of the base (1), the clamping assembly (3) is fixedly mounted on the lower end of the base (1) and is located below the quick-change support plate (2), a plurality of quick-change clamping block assemblies (4) are provided, one end of the plurality of quick-change clamping block assemblies (4) is mounted on the base (1), and the other end can be pressed on the quick-change support plate (2), one end of the limiting slider assembly (5) is fixedly connected to the base (1), and the other end is slidably matched with the upper end of the base (1).

2. The valve body positioning fixture with a quick-change structure according to claim 1, characterized in that: The limit slider assembly (5) comprises a limit slider (51), a first push rod (52), a rotating rod (53), a connecting rod (54), a lever (55), a motor (56), a support seat (57) and an elastic member (58); the support seat (57) is fixedly mounted on the outer wall of the base (1); the motor (56) is fixedly mounted in the support seat (57); the lever (55) is fixedly mounted on the rotating shaft of the motor (56); a first groove (551) is provided on the lever (55); a first end of the connecting rod (54) is rotatably connected to an upper end of the support seat (57); the connecting rod (54) is not in contact with the rotating shaft of the motor (56) and is located below the lever (55); A boss (541) is provided on the rod (54), the first groove (551) can be snapped onto the boss (541) and drive the boss (541) to rotate, the second end of the rotating rod (53) is rotatably connected to the second end of the connecting rod (54), the first end of the rotating rod (53) is rotatably connected to the first end of the first push rod (52), the second end of the limiting slider (51) is fixedly installed on the second end of the first push rod (52), the limiting slider (51) is slidably matched with the upper end of the base (1), the first end of the elastic member (58) is fixedly connected to the first end of the limiting slider (51), and the second end of the elastic member (58) is fixedly connected to the inner wall of the base (1).

3. The valve body positioning fixture with a quick-change structure according to claim 1 or 2, characterized in that: The quick-change clamping block assembly (4) comprises a quick-change clamping block (41) and a bolt (42); a countersunk hole (412) is arranged in the quick-change clamping block (41); the bolt (42) is slidably fitted in the countersunk hole (412); the quick-change clamping block (41) is fixedly connected to the quick-change support plate (2) via the bolt (42); a limit block (411) is also arranged on the quick-change clamping block (41); the limit block (411) is fixedly arranged at the upper opening of the countersunk hole (412) and extends in a ring shape along the circumference of the countersunk hole (412).

4. The valve body positioning fixture with a quick-change structure according to claim 1 or 2, characterized in that: The clamping assembly (3) comprises a cylinder (31), a lifting clamping block (32) and a guide rod (33); the cylinder (31) is fixedly mounted on the lower end of the base (1); the lifting clamping block (32) is fixedly mounted on the piston rod of the cylinder (31); the lifting clamping block (32) can move up and down under the drive of the cylinder (31); a guide hole (321) is also provided on the lifting clamping block (32); the guide rod (33) is fixedly mounted on the lower end of the base (1); the guide hole (321) and the guide rod (33) are slidably matched.

5. The valve body positioning fixture with a quick-change structure according to claim 3, characterized in that: A second groove (21) is provided on the side wall of the quick-change support plate (2), and the quick-change pressing block (41) can be pressed into the second groove (21).

6. The valve body positioning fixture with a quick-change structure according to claim 1 or 2, characterized in that: The quick-change support plate (2) is also provided with a through hole (22), and a plurality of the through holes (22) are provided. The plurality of through holes (22) can be used to install various positioning supports.

Images