Precise positioning machining clamp for special valve

Abstract

The utility model relates to the technical field of machining clamps, and discloses a special valve precise positioning machining clamp which comprises a bottom bin, an adjusting assembly is installed at the upper end of the bottom bin, a clamping assembly is installed on one side of the adjusting assembly, and a clamping plate is installed on one side of the clamping assembly. The adjusting assembly comprises a first motor, a lead screw is installed at the output end of the first motor, the outer side of the lead screw is sleeved with a moving block, a first sliding block is installed at the upper end of the moving block, a first sliding groove is formed in the position, corresponding to the moving position of the first sliding block, of the bottom bin, and a first pneumatic telescopic rod is installed at the upper end of the first sliding block. The position of the clamping assembly is flexibly adjusted through the adjusting assembly, the precise positioning machining function is achieved, the machining flexibility is improved to a certain degree, the valve is clamped through the clamping assembly, and the stability of the valve in the machining process is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of processing fixtures, in particular to a special valve precision positioning processing fixture. Background Art

[0002] Processing fixtures play a vital role in the manufacturing industry. As auxiliary conditions for production, they can quickly and accurately position and fix the processing objects.

[0003] Due to their complex structure and high precision requirements, special valves often require multiple positioning and adjustments during the processing to ensure processing accuracy. It is necessary to develop a special valve precision positioning processing fixture to meet the processing needs of special valves.

[0004] Chinese Patent Publication No.: CN209424993U discloses "A positioning fixture for valve processing", which includes a fixture body, a positioning assembly, a clamping assembly and a rotating assembly. Both sides of the fixture body are fixedly connected to the mounting modules, and the interior of the mounting module is provided with a fastening bolt. The interior of the fixture body is provided with a positioning assembly, and the positioning assembly includes a laser emitter and a battery slot. The top of the fixture body is provided with a clamping assembly, and the clamping assembly includes a push rod motor, an electric telescopic rod and a collar. The inner side of the clamping assembly is fixedly connected to the rotating assembly, and the rotating assembly includes a rotating shaft column, a support rod, a splint, a rubber fixing block, a threaded rod and a rubber contact. A positioning fixture for valve processing is provided, by providing a clamping assembly on the top of the fixture body and combining the clamping assembly and the rotating assembly together. After clamping the valve workpiece, it can also be freely rotated and adjusted back and forth. It has strong flexibility, simple structure and strong practicality.

[0005] The above-mentioned prior art provides a clamping assembly on the top of the clamp body, and combines the clamping assembly and the rotating assembly together. After the valve workpiece is clamped, it can also be freely rotated and adjusted back and forth. It has strong flexibility, simple structure and strong practicality. However, the existing clamp does not have the function of precise positioning processing during use. During use, the clamped valve cannot be flexibly adjusted in position, which has certain limitations during the processing process. Utility Model Content

[0006] The purpose of the present utility model is to provide a special valve precision positioning processing fixture to solve the problem proposed in the above background technology that it does not have the function of precision positioning processing, the clamped valve cannot be flexibly adjusted in position during use, and has certain limitations in the processing process.

[0007] In order to solve the above technical problems, the utility model provides the following technical solutions: a special valve precision positioning processing fixture, comprising a bottom bin, an adjustment assembly is installed on the upper end of the bottom bin, a clamping assembly is installed on one side of the adjustment assembly, and a clamping plate is installed on one side of the clamping assembly;

[0008] The adjustment assembly includes a first motor, a screw is installed at the output end of the first motor, a moving block is sleeved on the outer side of the screw, a first slider is installed on the upper end of the moving block, a first slide is opened in the bottom bin at a position corresponding to the movement of the first slider, a first pneumatic telescopic rod is installed on the upper end of the first slider, and a second pneumatic telescopic rod is installed on the upper end of the first pneumatic telescopic rod;

[0009] The clamping assembly includes a mounting chamber, a second motor is mounted inside the mounting chamber, a gear is mounted on the output end of the second motor, a first rack is mounted on one side of the gear, a second rack is mounted on the side of the gear away from the first rack, a slide rod is mounted on one side of the first rack, a slide rail is mounted on the outside of the slide rod, a second slider is mounted on one side of the first rack, and a second slide groove is opened in the mounting chamber at the position corresponding to the movement of the second slider.

[0010] Preferably, the clamping plate is detachably provided on one side of the second slider, the first motor is detachably provided on one side of the bottom bin, and the output end of the first motor is detachably connected to the screw rod.

[0011] Preferably, the moving block matches the screw rod, and the first sliding block is slidably connected to the first sliding groove.

[0012] Preferably, the first pneumatic telescopic rod is detachably connected to the upper end of the first slider, and the second pneumatic telescopic rod is placed laterally above the output end of the first pneumatic telescopic rod.

[0013] Preferably, the second motor is detachably connected in the installation compartment, the gear is engaged with the first rack, and the gear is engaged with the second rack.

[0014] Preferably, there are multiple groups of second sliding blocks, one side of the second rack is equipped with a group of second sliding blocks, and the second sliding blocks are slidably connected to the second sliding grooves.

[0015] Preferably, there are two groups of the second sliding grooves, which are symmetrically opened on one side of the installation bin, and the number of the clamping plates matches the number of the second sliding blocks.

[0016] Compared with the prior art, the beneficial effects achieved by the present invention are:

[0017] First, the utility model flexibly adjusts the position of the clamping assembly through the setting of the adjustment assembly to realize the function of precise positioning processing, and improves the flexibility of processing to a certain extent. By starting the first motor, the first motor drives the screw to rotate, the rotation of the screw drives the moving block to move, the movement of the moving block drives the first slider to move, the movement of the first slider drives the first pneumatic telescopic rod to move, the movement of the first pneumatic telescopic rod drives the second pneumatic telescopic rod to move, the movement of the second pneumatic telescopic rod drives the clamping assembly to move, and the lateral position of the clamping assembly is adjusted. The first pneumatic telescopic rod and the second pneumatic telescopic rod are started to adjust the vertical and longitudinal positions of the clamping assembly.

[0018] Second, the utility model clamps the valve by setting up a clamping assembly, thereby improving the stability of the valve during processing. By starting the second motor, the second motor drives the gear to rotate, and the rotation of the gear drives the first rack and the second rack to move relative to each other. The relative movement of the first rack and the second rack respectively drives the second slider installed on one side of the first rack and the second rack to move relative to each other, thereby driving the symmetrically arranged clamping plates to move relative to each other, thereby clamping the valve. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural diagram of the utility model;

[0020] Figure 2 It is a cross-sectional view of the utility model;

[0021] Figure 3 This is a schematic structural diagram of the gear and the first rack of the utility model;

[0022] Figure 4 This is a structural diagram of the screw rod and moving block of the utility model.

[0023] In the figure: 1. Bottom bin; 2. Adjustment assembly; 201. First motor; 202. Screw rod; 203. Moving block; 204. First slider; 205. First slide groove; 206. First pneumatic telescopic rod; 207. Second pneumatic telescopic rod; 3. Clamping assembly; 301. Mounting bin; 302. Second motor; 303. Gear; 304. First rack; 305. Second rack; 306. Slide rod; 307. Slide rail; 308. Second slider; 309. Second slide groove; 4. Clamping plate. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] See also Figures 1-4 A special valve precision positioning processing fixture includes a bottom bin 1, an adjustment component 2 is installed on the upper end of the bottom bin 1, a clamping component 3 is installed on one side of the adjustment component 2, and a clamping plate 4 is installed on one side of the clamping component 3; the adjustment component 2 includes a first motor 201, a screw rod 202 is installed on the output end of the first motor 201, a moving block 203 is sleeved on the outer side of the screw rod 202, a first slider 204 is installed on the upper end of the moving block 203, the bottom bin 1 is provided with a first slide groove 205 at the position corresponding to the movement of the first slider 204, a first pneumatic telescopic rod 206 is installed on the upper end of the first slider 204, and the first pneumatic telescopic rod 206 is installed on the upper end of the first pneumatic telescopic rod 206. A second pneumatic telescopic rod 207 is installed at the upper end; the clamping assembly 3 includes a mounting chamber 301, a second motor 302 is installed inside the mounting chamber 301, a gear 303 is installed at the output end of the second motor 302, a first rack 304 is installed on one side of the gear 303, a second rack 305 is installed on the side of the gear 303 away from the first rack 304, a slide bar 306 is installed on one side of the first rack 304, a slide rail 307 is installed on the outside of the slide bar 306, a second slider 308 is installed on one side of the first rack 304, and a second slide groove 309 is provided in the mounting chamber 301 at the position corresponding to the movement of the second slider 308.

[0026] Through the above technical solution, the position of the clamping component 3 is flexibly adjusted by setting the adjustment component 2, so as to realize the function of precise positioning processing, and to a certain extent improve the flexibility of processing. By starting the first motor 201, the first motor 201 drives the screw rod 202 to rotate, the screw rod 202 rotates to drive the moving block 203 to move, the moving block 203 moves to drive the first slider 204 to move, the first slider 204 moves to drive the first pneumatic telescopic rod 206 to move, the first pneumatic telescopic rod 206 moves to drive the second pneumatic telescopic rod 207 to move, the second pneumatic telescopic rod 207 moves to drive the clamping component 3 to move, and the lateral position of the clamping component 3 is adjusted. , start the first pneumatic telescopic rod 206 and the second pneumatic telescopic rod 207 to adjust the vertical and longitudinal positions of the clamping assembly 3, and clamp the valve through the set clamping assembly 3 to improve the stability of the valve during processing. By starting the second motor 302, the second motor 302 drives the gear 303 to rotate, and the rotation of the gear 303 drives the first rack 304 and the second rack 305 to move relative to each other. The relative movement of the first rack 304 and the second rack 305 respectively drives the second slider 308 installed on one side of the first rack 304 and the second rack 305 to move relative to each other, thereby driving the symmetrically arranged clamping plates 4 to move relative to each other to clamp the valve.

[0027] Specifically, the clamping plate 4 is detachably provided on one side of the second slider 308 , the first motor 201 is detachably provided on one side of the bottom bin 1 , and the output end of the first motor 201 is detachably connected to the screw rod 202 .

[0028] Through the above technical solution, the clamping plate 4 is easy to disassemble and install, and it is convenient to replace the appropriate clamping plate 4 to clamp the valve. The first motor 201 is externally connected to a power supply and a controller, and the first motor 201 is used to drive the screw rod 202 to rotate.

[0029] Specifically, the moving block 203 matches the screw rod 202 , and the first sliding block 204 is slidably connected to the first sliding groove 205 .

[0030] Through the above technical solution, the screw rod 202 is rotated to drive the moving block 203 to move, and the rotational motion is converted into linear motion. The first slider 204 is used to slide in the first sliding groove 205 to ensure the stability of the movement of the moving block 203.

[0031] Specifically, the first pneumatic telescopic rod 206 is detachably connected to the upper end of the first slider 204 , and the second pneumatic telescopic rod 207 is placed laterally above the output end of the first pneumatic telescopic rod 206 .

[0032] Through the above technical solution, the first pneumatic telescopic rod 206 and the second pneumatic telescopic rod 207 are connected to an external air source and a controller to ensure the independent operation of each device. The first pneumatic telescopic rod 206 drives the second pneumatic telescopic rod 207 to move up and down, thereby driving the clamping assembly 3 installed at the output end of the second pneumatic telescopic rod 207 to move up and down, and adjusting the vertical position of the clamp. The second pneumatic telescopic rod 207 is used to drive the clamping assembly 3 to move longitudinally, and the position of the clamping assembly 3 is flexibly adjusted.

[0033] Specifically, the second motor 302 is detachably connected in the installation compartment 301 , the gear 303 is engaged with the first rack 304 , and the gear 303 is engaged with the second rack 305 .

[0034] Through the above technical solution, the second motor 302 is connected to an external power supply and a controller to ensure the independent operation of each device. The second motor 302 is used to drive the gear 303. The first rack 304 and the second rack 305 are symmetrically arranged on the gear 303 to achieve relative movement of the first rack 304 and the second rack 305 when the driving gear 303 rotates.

[0035] Specifically, there are multiple groups of second sliders 308 , one side of the second rack 305 is equipped with a group of second sliders 308 , and the second sliders 308 are slidably connected to the second sliding grooves 309 .

[0036] Through the above technical solution, the second slider 308 is installed on one side of the first rack 304 and the second rack 305 respectively, so that the first rack 304 and the second rack 305 can move relative to each other and drive the second slider 308 installed on one side of the first rack 304 and the second rack 305 to move relative to each other.

[0037] Specifically, there are two groups of second sliding grooves 309 , which are symmetrically opened on one side of the installation chamber 301 , and the number of the clamping plates 4 matches the number of the second sliding blocks 308 .

[0038] Through the above technical solution, the second sliding groove 309 is opened at the position corresponding to the movement of the second slider 308 to ensure the stability of the moving structure. The two groups of second sliding grooves 309 ensure the stability of the movement of the two groups of second sliders 308. The second sliders 308 installed on one side of the first rack 304 and the second rack 305 are used to move relative to each other to drive the symmetrically arranged clamping plates 4 to move relative to each other. The symmetrically arranged clamping plates 4 move relative to each other to clamp the valve.

[0039] During use, when the position of the clamping assembly 3 needs to be adjusted, the first motor 201 is started, and the first motor 201 drives the screw rod 202 to rotate, and the rotation of the screw rod 202 drives the moving block 203 to move, and the movement of the moving block 203 drives the first slider 204 to move, and the movement of the first slider 204 drives the first pneumatic telescopic rod 206 to move, and the movement of the first pneumatic telescopic rod 206 drives the second pneumatic telescopic rod 207 to move, and the movement of the second pneumatic telescopic rod 207 drives the clamping assembly 3 to move horizontally, and the first pneumatic telescopic rod 206 is started to drive the second pneumatic telescopic rod 207 to move up and down, and the second pneumatic telescopic rod 207 moves up and down to adjust the vertical position of the clamping assembly 3. Start the second pneumatic telescopic rod 207 to adjust the longitudinal position of the clamping assembly 3. When the valve needs to be clamped, start the second motor 302. The second motor 302 drives the gear 303 to rotate. The rotation of the gear 303 drives the first rack 304 and the second rack 305 to move relative to each other. The relative movement of the first rack 304 and the second rack 305 respectively drives the second slider 308 installed on one side of the first rack 304 and the second rack 305 to move relative to each other. The relative movement of the second slider 308 installed on one side of the first rack 304 and the second rack 305 drives the symmetrically arranged clamping plates 4 to move relative to each other. The symmetrically arranged clamping plates 4 move relative to each other to clamp the valve.

[0040] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the present application. The scope of this application is defined by the appended claims and their equivalents.

Claims

1. A special valve precision positioning processing fixture, comprising a bottom bin (1), characterized in that: An adjustment component (2) is installed at the upper end of the bottom bin (1), a clamping component (3) is installed on one side of the adjustment component (2), and a clamping plate (4) is installed on one side of the clamping component (3); The adjustment assembly (2) includes a first motor (201), a screw rod (202) is installed at the output end of the first motor (201), a moving block (203) is sleeved on the outer side of the screw rod (202), a first slider (204) is installed on the upper end of the moving block (203), a first slide groove (205) is provided on the bottom bin (1) at a position corresponding to the movement of the first slider (204), a first pneumatic telescopic rod (206) is installed on the upper end of the first slider (204), and a second pneumatic telescopic rod (207) is installed on the upper end of the first pneumatic telescopic rod (206); The clamping assembly (3) includes a mounting chamber (301), a second motor (302) is mounted inside the mounting chamber (301), a gear (303) is mounted on the output end of the second motor (302), a first rack (304) is mounted on one side of the gear (303), a second rack (305) is mounted on the side of the gear (303) away from the first rack (304), a slide rod (306) is mounted on one side of the first rack (304), a slide rail (307) is mounted on the outside of the slide rod (306), a second slider (308) is mounted on one side of the first rack (304), and a second slide groove (309) is provided in the mounting chamber (301) at a position corresponding to the movement of the second slider (308).

2. A special valve precision positioning fixture according to claim 1, characterized in that: The clamping plate (4) is detachably arranged on one side of the second slider (308), the first motor (201) is detachably arranged on one side of the bottom bin (1), and the output end of the first motor (201) is detachably connected to the screw rod (202).

3. The special valve precision positioning fixture according to claim 1, characterized in that: The moving block (203) matches the screw rod (202), and the first sliding block (204) is slidably connected to the first sliding groove (205).

4. The special valve precision positioning fixture according to claim 1, characterized in that: The first pneumatic telescopic rod (206) is detachably connected to the upper end of the first slider (204), and the second pneumatic telescopic rod (207) is placed laterally above the output end of the first pneumatic telescopic rod (206).

5. The special valve precision positioning fixture according to claim 1, characterized in that: The second motor (302) is detachably connected in the installation compartment (301), the gear (303) is meshed with the first rack (304), and the gear (303) is meshed with the second rack (305).

6. The special valve precision positioning fixture according to claim 1, characterized in that: The second sliders (308) are in multiple groups. One side of the second rack (305) is equipped with a group of second sliders (308). The second sliders (308) are slidably connected to the second slide groove (309).

7. The special valve precision positioning fixture according to claim 1, characterized in that: There are two groups of the second sliding grooves (309), and the two groups of the second sliding grooves (309) are symmetrically opened on one side of the installation bin (301). The number of the clamping plates (4) matches the number of the second sliding blocks (308).

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