Fixture for lead screw machining

Abstract

The utility model provides a clamp for lead screw machining, which relates to the technical field of machining and comprises a sliding guide rail, a plurality of side supporting seats are symmetrically distributed on two sides of the sliding guide rail, a plurality of shock pads are uniformly distributed at the bottoms of the side supporting seats, and a telescopic cylinder is movably mounted at the top of the sliding guide rail. Moving blocks are installed at the two ends of the telescopic air cylinder. The side supporting seats are supported on the two sides of the sliding guide rail, meanwhile, the side supporting seats are matched with the shock pads to provide stable supporting, the shock absorption effect is further provided, vibration force generated by equipment can be reduced when the clamp is placed on the machining equipment to clamp a lead screw, the limiting frame and the limiting groove are supported and connected to the two ends of the lead screw in an abutting mode, and the service life of the lead screw is prolonged. And the limiting grooves are distributed in a trapezoid mode, machining and using of the lead screws with different calibers are facilitated, the hydraulic cylinder can control the movable clamping plate to further finely adjust and extend, and clamping force can be further provided for the lead screws.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing, in particular to a clamp for processing a lead screw. Background Art

[0002] At present, modern industry is developing in the direction of high speed, high efficiency and unmanned operation. The feed drive speed of industrial robots, CNC forging machinery, machining center machine tools and various mechatronic automatic machinery is constantly increasing. The lead screw has a large lead and high feed speed, thus meeting the requirements of high speed and high efficiency in modern industry. The lead screws in the existing technology are generally ball screws with small and medium leads, which can no longer meet the requirements of high speed and require high-lead lead screws.

[0003] In the prior art, for example, the "special fixture for processing lead screws" with Chinese patent number CN203527008U is composed of a spring gasket, an L-shaped bracket, a fastening spring, a fixing bolt, a lead screw fixing ring, a lead screw fastening bolt, and an auxiliary positioning bolt. It is characterized in that the lead screw fixing ring is arranged in a circular ring shape, L-shaped brackets are symmetrically arranged on both sides of the lead screw fixing ring, three lead screw fastening bolts are evenly arranged on the lead screw fixing ring, and an auxiliary positioning bolt is arranged on one side of the lead screw fastening bolt. The beneficial effect of the utility model is that the special fixture for processing lead screws solves the length limitation of the lead screw during the lead screw processing process, can process high-lead lead screws, and adapts to the development needs of modern industry.

[0004] However, the existing clamps lack a structure for limiting and tightening the lead screw as required during the process of clamping the lead screw, and are subject to external vibrations during the clamping process, which causes the lead screw to shift in position on the clamp, thereby reducing the stability of the clamp and causing a decrease in machining accuracy. Utility Model Content

[0005] The utility model aims to solve the problem in the prior art that there is a lack of stable clamping during the processing, thereby causing a reduction in processing accuracy, and proposes a fixture for processing a lead screw.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a fixture for processing a screw, comprising a sliding guide rail, a plurality of side support seats are symmetrically distributed on both sides of the sliding guide rail, a plurality of shock-absorbing pads are evenly distributed on the bottom of the side support seats, a telescopic cylinder is movably installed on the top of the sliding guide rail, moving blocks are installed at both ends of the telescopic cylinder, a support frame is fixedly installed on the top of the moving block, a clamping piece is fixedly installed on the top of the support frame, a limiting frame is fixedly installed on one side of the telescopic cylinder, and a limiting groove is arranged at one end of the limiting frame.

[0007] Preferably, a bidirectional threaded rod is provided on the inner side of the sliding guide rail, a motor is installed at one end of the sliding guide rail, and one end of the bidirectional threaded rod passes through one end of the sliding guide rail and is connected to the motor.

[0008] Preferably, a hydraulic cylinder is symmetrically installed on the inner side of the clamping member, and a movable clamping plate is provided at one end of the hydraulic cylinder.

[0009] Preferably, a fixed clamping plate is fixedly mounted on the inner side surface of the clamping member, and the movable clamping plate is arranged on the inner side surface of the fixed clamping plate.

[0010] Preferably, a limiting partition is provided in the middle of the inner side of the sliding guide rail, and the bidirectional threaded rod passes through the inner side of the limiting partition.

[0011] Preferably, a sliding block is provided at the bottom of the telescopic cylinder, and the interior of the telescopic cylinder is threadedly connected to the outer wall of the bidirectional threaded rod.

[0012] Compared with the prior art, the advantages and positive effects of the utility model are:

[0013] 1. In the utility model, the side support seats are supported on both sides of the sliding guide rail, and the shock-absorbing pads are used to provide stable support and further provide shock-absorbing effect, which is conducive to placing the fixture on the processing equipment to reduce the vibration force of the equipment when clamping the screw. The limit frame and the limit groove support are abutted at both ends of the screw, thereby further improving the stability of the screw during the processing process. The limit grooves are trapezoidally distributed, which is conducive to the processing of screws with different calibers, and the hydraulic cylinder can control the movable clamp to further fine-tune the extension, which is conducive to further providing clamping force for the screw and achieving a high-stability clamping effect, thereby improving the accuracy of screw processing.

[0014] 2. In the utility model, the bidirectional threaded rod is controlled by an electric motor to realize rotation, thereby driving the sliding block connected to the bidirectional threaded rod to realize synchronous opposite movement adjustment, and then driving the telescopic cylinder and the clamping parts to realize synchronous adjustment, so as to facilitate the adjustment and clamping processing according to the screws of different lengths, effectively improve the operating range, and improve the convenience of operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a three-dimensional structural schematic diagram of a fixture for processing a lead screw proposed in the utility model;

[0016] Figure 2 This is another perspective structural diagram of the fixture for processing a lead screw proposed in the utility model;

[0017] Figure 3 The utility model provides a partial cross-sectional structural schematic diagram of a fixture for processing a lead screw.

[0018] Legend: 1. Sliding guide rail; 2. Side support seat; 3. Shock-absorbing pad; 4. Limiting partition; 5. Bidirectional threaded rod; 6. Electric motor; 7. Sliding block; 8. Telescopic cylinder; 9. Moving block; 10. Support frame; 11. Clamping part; 12. Fixed splint; 13. Hydraulic cylinder; 14. Movable splint; 15. Limiting frame; 16. Limiting groove. DETAILED DESCRIPTION

[0019] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0020] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0021] Example 1

[0022] like Figure 1-Figure 3 As shown, the utility model provides a technical solution: a fixture for processing a screw, comprising a sliding guide rail 1, a plurality of side support seats 2 are symmetrically distributed on both sides of the sliding guide rail 1, a plurality of shock-absorbing pads 3 are evenly distributed on the bottom of the side support seats 2, a telescopic cylinder 8 is movably installed on the top of the sliding guide rail 1, moving blocks 9 are installed at both ends of the telescopic cylinder 8, a support frame 10 is fixedly installed on the top of the moving block 9, a clamping member 11 is fixedly installed on the top of the support frame 10, a limiting frame 15 is fixedly installed on one side of the telescopic cylinder 8, a limiting groove 16 is arranged at one end of the limiting frame 15, a hydraulic cylinder 13 is symmetrically installed on the inner side of the clamping member 11, a movable splint 14 is arranged at one end of the hydraulic cylinder 13, a fixed splint 12 is fixedly installed on the inner side surface of the clamping member 11, and the movable splint 14 is arranged on the inner side surface of the fixed splint 12.

[0023] In this embodiment, the side support seat 2 is supported on both sides of the sliding guide rail 1, and the shock-absorbing pad 3 is used to provide stable support and further provide a shock-absorbing effect, which is conducive to placing the fixture on the processing equipment to reduce the vibration force of the equipment when clamping the screw. The telescopic cylinder 8 controls the moving block 9 to extend or contract, thereby driving the support frame 10, the clamping member 11 and the fixed clamping plate 12 to achieve synchronous telescopic adjustment, which facilitates the stable clamping of the screw through the clamping force generated. At the same time, the limit frame 15 and the limit groove 16 support and abut against the two ends of the screw, thereby further improving the stability of the screw during the processing. The limit groove 16 adopts a trapezoidal distribution, which is conducive to the processing of screws of different calibers, and the hydraulic cylinder 13 can control the movable clamping plate 14 to further fine-tune the extension, which is conducive to further providing clamping force to the screw, achieving a high-stability clamping effect, thereby improving the accuracy of screw processing.

[0024] Example 2

[0025] like Figure 1-Figure 3 As shown, a bidirectional threaded rod 5 is arranged on the inner side of the sliding guide rail 1, a motor 6 is installed at one end of the sliding guide rail 1, one end of the bidirectional threaded rod 5 passes through one end of the sliding guide rail 1 and is connected with the motor 6, a limiting partition plate 4 is arranged in the middle part of the inner side of the sliding guide rail 1, the bidirectional threaded rod 5 passes through the inner side of the limiting partition plate 4, a sliding block 7 is arranged at the bottom of the telescopic cylinder 8, and the inner part of the telescopic cylinder 8 is threadedly connected to the outer wall of the bidirectional threaded rod 5.

[0026] In this embodiment, the bidirectional threaded rod 5 is controlled to rotate by the motor 6, thereby driving the sliding block 7 connected to the bidirectional threaded rod 5 to achieve the function of synchronous opposite movement adjustment, and then driving the telescopic cylinder 8 and the clamping member 11 to be adjusted synchronously, so as to facilitate the adjustment and clamping processing according to the screws of different lengths, effectively improve the operating range, and improve the convenience of operation, wherein the limit partition 4 can provide installation for the bidirectional threaded rod 5, and also provides the function of limit barrier.

[0027] The working principle of this embodiment is as follows: when in use, first, the side support seat 2 is supported on both sides of the sliding guide rail 1, and at the same time cooperates with the shock-absorbing pad 3 to provide stable support and further provide shock-absorbing effect. The two-way threaded rod 5 is controlled by the motor 6 to rotate, thereby driving the sliding block 7 connected to the two-way threaded rod 5 to achieve the function of synchronous opposite movement adjustment, thereby driving the telescopic cylinder 8 and the clamping member 11 to adjust synchronously, so as to facilitate the adjustment and clamping processing according to the screws of different lengths. The telescopic cylinder 8 controls the moving block 9 to extend or contract and adjust, thereby driving the support frame 10 The synchronous telescopic adjustment is achieved with the clamping member 11 and the fixed clamping plate 12, which facilitates the stable clamping of the lead screw through the clamping force generated. At the same time, the limit frame 15 and the limit groove 16 support and abut the two ends of the lead screw, thereby further improving the stability of the lead screw during processing. The limit groove 16 adopts a trapezoidal distribution, which is conducive to the processing of lead screws of different calibers, and the hydraulic cylinder 13 can control the movable clamping plate 14 to further fine-tune the extension, which is conducive to further providing clamping force to the lead screw, achieving a high-stability clamping effect, thereby improving the accuracy of lead screw processing.

[0028] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A fixture for processing a lead screw, comprising a sliding guide rail (1), characterized in that: A plurality of side support seats (2) are symmetrically distributed on both sides of the sliding guide rail (1), a plurality of shock-absorbing pads (3) are evenly distributed on the bottom of the side support seats (2), a telescopic cylinder (8) is movably mounted on the top of the sliding guide rail (1), moving blocks (9) are mounted on both ends of the telescopic cylinder (8), a support frame (10) is fixedly mounted on the top of the moving block (9), a clamping member (11) is fixedly mounted on the top of the support frame (10), a limiting frame (15) is fixedly mounted on one side of the telescopic cylinder (8), and a limiting groove (16) is arranged at one end of the limiting frame (15).

2. The lead screw processing fixture according to claim 1, characterized in that: A bidirectional threaded rod (5) is arranged on the inner side of the sliding guide rail (1), a motor (6) is installed on one end of the sliding guide rail (1), and one end of the bidirectional threaded rod (5) passes through one end of the sliding guide rail (1) and is connected to the motor (6).

3. The lead screw processing fixture according to claim 1, characterized in that: A hydraulic cylinder (13) is symmetrically mounted on the inner side of the clamping member (11), and a movable clamping plate (14) is disposed at one end of the hydraulic cylinder (13).

4. The lead screw processing fixture according to claim 3, characterized in that: A fixed clamping plate (12) is fixedly mounted on the inner side surface of the clamping member (11), and the movable clamping plate (14) is arranged on the inner side surface of the fixed clamping plate (12).

5. The lead screw processing fixture according to claim 2, characterized in that: A limiting partition plate (4) is provided in the middle of the inner side of the sliding guide rail (1), and the bidirectional threaded rod (5) passes through the inner side of the limiting partition plate (4).

6. The lead screw processing fixture according to claim 1, characterized in that: A sliding block (7) is provided at the bottom of the telescopic cylinder (8), and the interior of the telescopic cylinder (8) is threadedly connected to the outer wall of the bidirectional threaded rod (5).

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