Automatic clamp for machining

By introducing pressure sensors and displays into the automated machining fixture, combined with the screw and clamping block design, the clamping force is automatically adjusted, solving the problem of difficult-to-control clamping force and achieving stable clamping and part integrity.

CN223368792UActive Publication Date: 2025-09-23JIANGSU HENGXIN SILO EQUIP CO LTD
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Patent Information

Application Number
CN202422845249.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-21
Publication Date
2025-09-23
Estimated Expiration
2034-11-21

AI Technical Summary

Technical Problem

When existing automated machining fixtures are used to clamp fragile mechanical parts, it is difficult to precisely control the clamping force, which can easily lead to deformation of the parts.

Method used

The mechanical processing automation fixture uses a pressure sensor electrically connected to the display. The pressure sensor feedbacks the clamping force, combined with the design of the screw and clamping block, to automatically adjust the clamping force to ensure stability and part integrity.

Benefits of technology

It achieves stable clamping of mechanical parts, avoids part deformation caused by excessive clamping force, and improves the reliability of the processing and the integrity of the parts.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223368792U_ABST
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Abstract

The utility model discloses a machining automation clamp which comprises a base plate, one side of the top of the base plate is fixedly connected with a fixing block, a mechanical part is pushed to extrude a driven clamping block to horizontally move towards one side of the base plate, and after one side of the driven clamping block makes contact with a pressure sensor, a first screw is continuously rotated; the driving clamping block is driven to be matched with the base on one side of the pressure sensor to fully clamp and fix the mechanical part, the optimal force for clamping the mechanical part is tested according to a numerical value fed back to the display after the pressure sensor is stressed, the clamping stability can be guaranteed by changing the force, meanwhile, the integrity of the appearance of the mechanical part cannot be damaged, and finally data is recorded. And the third screw rod is rotated until one end of the third screw rod fully abuts against the position of the driven clamping block for secondary limiting, and finally the mechanical parts are clamped in batches for machining, so that the situation that when the fragile mechanical parts are clamped, the clamping force adjusted manually is too large, and consequently the mechanical parts deform can be effectively reduced.
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Description

Technical Field

[0001] The utility model belongs to the technical field of mechanical processing, and in particular relates to an automatic mechanical processing fixture. Background Art

[0002] Machining refers to the process of using various mechanical equipment and tools to process metal or other materials through cutting, grinding, polishing and other means to obtain the desired shape, size and surface quality. Machining plays an important role in the manufacturing industry. It can not only improve production efficiency and reduce production costs, but also improve product quality and precision.

[0003] In some existing automated machining fixtures, the clamping force for mechanical parts is generally determined by personnel based on experience and feel. When it is necessary to clamp more fragile mechanical parts, the manually adjusted clamping force can easily cause deformation of the mechanical parts due to excessive force, which is quite inconvenient. Utility Model Content

[0004] The technical problem to be solved by the present invention is to overcome the existing defects and provide a mechanical processing automation fixture to solve the problem that some of the existing mechanical processing automation fixtures proposed in the above background technology have clamping strength for mechanical parts that is generally determined by personnel based on experience and feel. When it is necessary to clamp more fragile mechanical parts, the manually adjusted clamping strength is very likely to cause deformation of the mechanical parts due to excessive force, which is quite inconvenient.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a mechanical processing automation fixture, comprising a base plate, a fixed block fixedly connected to one side of the top of the base plate, a display fixedly connected to the top of the fixed block, a first screw threadedly connected to the inner side of the fixed block, an active clamping block rotatably connected to the outer side of one end of the first screw, a base fixedly connected to the other side of the top of the base, a pressure sensor fixedly connected to one side of the base, the pressure sensor and the display are electrically connected, a second screw is slidably connected to one side of the inside of the base, two second screws are symmetrically arranged, a driven clamp is fixedly connected to one side of the second screw, a third screw is threadedly connected to the other side of the inside of the base, and two third screws are symmetrically arranged.

[0006] Preferably, the outer side of one end of the third screw is threadedly connected to a collar, and the bottom of the collar is fixedly connected to a base plate.

[0007] Preferably, the outer sides of the third screws are movably connected with springs, and the springs are located between the base and the collar.

[0008] Preferably, a tripod is fixedly connected to the bottom of one side of the base, two tripods are symmetrically arranged, and a base plate is fixedly connected to the bottom of each tripod, and each tripod has a triangular structure.

[0009] Preferably, one side of the active clamping block and the driven clamping block are both fixedly connected with a clamping pad, the clamping pads are made of a flexible material, and one side of the clamping pads is a serrated structure.

[0010] Preferably, a slider is fixedly connected to the bottom of the driven clamping block, two sliders are symmetrically provided, and a base plate is slidably connected to the outer side of each slider.

[0011] Preferably, one end of the first screw is fixedly connected to a rotary handle, the outer side of the first screw is threadedly connected to a fixing block, and the bottom of the fixing block is fixedly connected to a base plate.

[0012] Preferably, the outer side of one end of the second screw is threadedly connected with a nut.

[0013] Compared with the prior art, the present invention provides a mechanical processing automation fixture with the following beneficial effects:

[0014] 1. The utility model sets a pressure sensor, which is electrically connected to the display. One side of the pressure sensor is fixedly connected to the base, and the inner side of the base is slidably connected to the second screw. One side of the second screw is fixedly connected to a driven clamp. One piece of mechanical parts in a batch is taken as a sample and placed between the driven clamp and the active clamp. Then, the first screw is rotated to drive the active clamp to move toward the side of the driven clamp. After the active clamp contacts the mechanical part first, it pushes the mechanical part to squeeze the driven clamp to move toward the side of the base. After one side of the driven clamp contacts the pressure sensor, the first screw is continuously rotated to drive The active clamp cooperates with the base on one side of the pressure sensor to fully clamp and fix the mechanical parts. The value fed back to the display by the pressure sensor after the force is applied is used to test the optimal force for clamping the mechanical parts. This force can ensure the stability of the clamping without damaging the integrity of the mechanical parts' appearance. Finally, the data is recorded, and the third screw is rotated until one end of the third screw fully contacts the position of the driven clamp for secondary limiting. Finally, batch clamping of mechanical parts is started for processing. This can effectively reduce the deformation of mechanical parts caused by excessive manually adjusted clamping force when clamping more fragile mechanical parts.

[0015] 2. The present invention provides a nut with a second screw threadedly connected to the inner side of the nut, which can effectively limit the stroke of the second screw and the driven clamp, thereby reducing the occurrence of excessive movement;

[0016] 3. The utility model provides a rotating handle, one side of which is fixedly connected to a first screw, and the outer side of the first screw is threadedly connected to a fixed block, which can effectively facilitate people to directly hold and rotate.

[0017] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. The utility model has a scientific and reasonable structure, is safe and convenient to use, and provides great help to people. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0019] Figure 1 This is a schematic diagram of the axonometric structure of a mechanical processing automation fixture proposed by the present invention;

[0020] Figure 2 This is a schematic diagram of the decomposed structure of a mechanical processing automation fixture proposed by the utility model;

[0021] Figure 3 for Figure 2 Schematic diagram of the enlarged structure at A in the middle;

[0022] Figure 4 This is a schematic diagram of the front view of a mechanical processing automation fixture proposed by the present invention;

[0023] Figure 5 This is a side structural diagram of a mechanical processing automation fixture proposed by the present invention;

[0024] Figure 6 This is a schematic diagram of the top view of a mechanical processing automation fixture proposed by the present invention;

[0025] In the figure: base plate 1, fixed block 2, display 3, first screw 4, active clamping block 5, base 6, pressure sensor 7, second screw 8, driven clamping block 9, third screw 10, collar 11, spring 12, nut 13, slider 14, clamping pad 15, handle 16, and tripod 17. DETAILED DESCRIPTION

[0026] 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.

[0027] See also Figure 1-6The utility model provides a technical solution: a mechanical processing automation fixture, including a base plate 1, a fixed block 2 is fixedly connected to one side of the top of the base plate 1, a display 3 is fixedly connected to the top of the fixed block 2, a first screw 4 is threadedly connected to the inner side of the fixed block 2, and an active clamping block 5 is rotatably connected to the outer side of one end of the first screw 4, and the other side of the top of the base plate 1 is fixedly connected to a base 6, and a pressure sensor 7 is fixedly connected to one side of the base 6. The pressure sensor 7 and the display 3 are electrically connected, and a second screw 8 is slidably connected to one side of the inside of the base 6. The second screw 8 is symmetrically provided with two, and one side of the second screw 8 is fixedly connected to a driven clamping block 9, and the other side of the inside of the base 6 is threadedly connected to a third screw 10. There are two third screws 10 symmetrically provided. Take one piece out of a batch of mechanical parts as a sample, place it between the driven clamping block 9 and the active clamping block 5, and then rotate the first screw 4 to drive the active The clamping block 5 moves toward the side of the driven clamping block 9. After the active clamping block 5 contacts the mechanical parts first, it pushes the mechanical parts to squeeze the driven clamping block 9 and translates it toward the side of the base 6. After the driven clamping block 9 contacts the pressure sensor 7, it continues to rotate the first screw 4, driving the active clamping block 5 to cooperate with the base 6 on the side of the pressure sensor 7 to fully clamp and fix the mechanical parts. The pressure sensor 7 is fed back to the display 3 after the force is applied, and the optimal force for clamping the mechanical parts is tested. This force can ensure the stability of the clamping without damaging the integrity of the appearance of the mechanical parts. Finally, the data is recorded and the third screw 10 is rotated until one end of the third screw 10 fully contacts the position of the driven clamping block 9 for secondary limiting. Finally, batch clamping of mechanical parts for processing is started, which can effectively reduce the situation where the manually adjusted clamping force is too large when clamping more fragile mechanical parts, causing deformation of the mechanical parts.

[0028] In the present invention, preferably, the outer side of one end of the third screw rod 10 is threadedly connected to a collar 11 , and the bottom of the collar 11 is fixedly connected to the base plate 1 , which can effectively ensure the stability of the third screw rod 10 .

[0029] In the present invention, preferably, the outer side of the third screw 10 is movably connected with a spring 12, and the spring 12 is located between the base 6 and the collar 11, which effectively reduces the loosening amplitude of the third screw 10 during long-term use.

[0030] In the present invention, preferably, a tripod 17 is fixedly connected to the bottom of one side of the base 6, and two tripods 17 are symmetrically arranged. The bottom of each tripod 17 is fixedly connected to the base plate 1, and the tripods 17 are all triangular structures, which effectively ensures the stability of the base 6.

[0031] In the present invention, preferably, one side of the active clamping block 5 and the driven clamping block 9 are fixedly connected with a clamping pad 15, the clamping pad 15 is made of flexible material, and one side of the clamping pad 15 is a serrated structure, which effectively reduces the wear of mechanical parts during the clamping process.

[0032] In the present invention, preferably, a slider 14 is fixedly connected to the bottom of the driven clamp 9, two sliders 14 are symmetrically provided, and the outer sides of the sliders 14 are slidably connected to the base plate 1, which effectively ensures the stability of the driven slider 9 during the sliding process.

[0033] In the present invention, preferably, one end of the first screw rod 4 is fixedly connected to a rotating handle 16, the outer side of the first screw rod 4 is threadedly connected to a fixing block 2, and the bottom of the fixing block 2 is fixedly connected to a base plate 1, which can effectively facilitate personnel to directly pinch and rotate.

[0034] In the present invention, preferably, the outer side of one end of the second screw rod 8 is threadedly connected with a nut 13, which can effectively limit the stroke of the second screw rod 8 and the driven clamping block 9 and reduce the occurrence of excessive movement.

[0035] After the first screw rod 4 is rotated, the active clamping block 5 is driven to move toward the side of the driven clamping block 9. After the active clamping block 5 contacts the mechanical part first, the mechanical part is pushed to squeeze the driven clamping block 9 and move horizontally toward the side of the base 6. After the driven clamping block 9 contacts the pressure sensor 7, the first screw 4 is continuously rotated, driving the active clamping block 5 to cooperate with the base 6 on the side of the pressure sensor 7 to fully clamp and fix the mechanical part. The pressure sensor 7 is fed back to the value of the display 3 after the force is applied, and the optimal force for clamping the mechanical part is tested. The modified force can ensure the stability of the clamping without damaging the integrity of the appearance of the mechanical part. Finally, the data is recorded and the third screw 10 is rotated until one end of the third screw 10 fully contacts the position of the driven clamping block 9 for secondary limit. Finally, the batch clamping of mechanical parts for processing is started, which can effectively reduce the deformation of the mechanical parts caused by excessive manual adjustment of the clamping force when clamping more fragile mechanical parts.

[0036] 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 invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A mechanical processing automation fixture, comprising a base plate (1), characterized in that: A fixed block (2) is fixedly connected to one side of the top of the substrate (1), a display (3) is fixedly connected to the top of the fixed block (2), a first screw (4) is threadedly connected to the inner side of the fixed block (2), an active clamping block (5) is rotatably connected to the outer side of one end of the first screw (4), a base (6) is fixedly connected to the other side of the top of the substrate (1), a pressure sensor (7) is fixedly connected to one side of the base (6), the pressure sensor (7) and the display (3) are electrically connected, a second screw (8) is slidably connected to one side of the inside of the base (6), two second screws (8) are symmetrically arranged, and one side of each of the second screws (8) is fixedly connected to a driven clamping block (9), a third screw (10) is threadedly connected to the other side of the inside of the base (6), and two third screws (10) are symmetrically arranged.

2. The mechanical processing automation fixture according to claim 1, characterized in that: The outer side of one end of the third screw rod (10) is threadedly connected to a collar (11), and the bottom of the collar (11) is fixedly connected to a base plate (1).

3. The mechanical processing automation fixture according to claim 2, characterized in that: The outer sides of the third screw rods (10) are movably connected to springs (12), and the springs (12) are located between the base (6) and the collar (11).

4. The mechanical processing automation fixture according to claim 1, characterized in that: A tripod (17) is fixedly connected to the bottom of one side of the base (6), and two tripods (17) are symmetrically arranged. The bottoms of the tripods (17) are both fixedly connected to the base plate (1), and the tripods (17) are both triangular structures.

5. The mechanical processing automation fixture according to claim 1, characterized in that: One side of the active clamping block (5) and the driven clamping block (9) are both fixedly connected with a clamping pad (15), the clamping pad (15) is made of a flexible material, and one side of the clamping pad (15) is a serrated structure.

6. The mechanical processing automation fixture according to claim 1, characterized in that: The bottom of the driven clamp (9) is fixedly connected to a slider (14), two sliders (14) are symmetrically arranged, and the outer sides of the sliders (14) are both slidably connected to a base plate (1).

7. The mechanical processing automation fixture according to claim 1, characterized in that: One end of the first screw rod (4) is fixedly connected to a rotary handle (16), the outer side of the first screw rod (4) is threadedly connected to a fixed block (2), and the bottom of the fixed block (2) is fixedly connected to a base plate (1).

8. The mechanical processing automation fixture according to claim 1, characterized in that: The outer side of one end of the second screw rod (8) is threadedly connected with a nut (13).