Fastener for machining mechanical parts

Abstract

The utility model relates to the technical field of mechanical part machining, in particular to a fastener for mechanical part machining, which comprises an auxiliary plate arranged on the surface of a fixing plate, a bearing arranged on the outer side face of the fixing plate, a threaded pipe arranged on the surface of the bearing, a movable screw in threaded connection with the interior of the threaded pipe, and a sliding groove formed in the side face of a positioning frame. A fastening plate is arranged on the inner side face of the positioning frame, a positioning groove is formed in the side face of the positioning frame, and a limiting frame is clamped into the positioning groove. The tubular workpiece clamping and positioning device has the beneficial effects that a movable screw rod can move in a fixing plate by rotating a threaded pipe, so that a positioning frame can move in the fixing plate, and a workpiece can be clamped and positioned under the action of a fastening plate and an auxiliary plate which are arranged in the positioning frame; the fastening plate can be pulled out upwards, rotated and then installed in the positioning frame, the arc-shaped plate arranged on the side face of the fastening plate is located on the outer side, and therefore the arc-shaped plate can be matched with the auxiliary plate to position and clamp the tubular workpiece.

Description

Technical Field

[0001] This utility model relates to the field of mechanical parts processing, specifically a fastener used in mechanical parts processing. Background Technology

[0002] CNC machine tools, also known as numerical control machine tools, are one of the core pieces of equipment in modern manufacturing. Using pre-programmed instruction sets, CNC machine tools are directly controlled by a computer control system to achieve automation and precision machining. They are widely used in aerospace, automotive manufacturing, precision instruments, medical devices, electronic equipment, mold manufacturing, and many other fields, and are an indispensable component of modern industrial production.

[0003] In the prior art, when processing workpieces using processing equipment, fastening structures are used to prevent workpieces from shifting during processing. These fastening structures clamp and position the workpieces, ensuring the stability of the workpieces and the accuracy of the processing during processing.

[0004] However, the clamping surface of a typical fastening structure is mainly a plane. When clamping and fixing some tubular structures, the contact area between the planar clamping plate and the tubular workpiece is small, which may lead to the problem of workpiece displacement during processing. To address this issue, this utility model proposes a fastener for machining mechanical parts to solve the aforementioned technical problem. Utility Model Content

[0005] The purpose of this invention is to provide a fastener for machining mechanical parts, so as to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a fastener for machining mechanical parts, the fastener comprising: a fixing plate, an auxiliary plate provided on the surface of the fixing plate, a bearing provided on the outer side of the fixing plate, a threaded tube provided on the surface of the bearing, and a movable screw screwed into the threaded tube;

[0007] The positioning frame has a sliding groove on its side, a fastening plate on its inner side, and a positioning groove on its side, into which a limit frame is inserted.

[0008] Preferably, the auxiliary plate is fixedly connected to the surface of the positioning plate. The auxiliary plate has a square plate structure. The side of the fixed plate has a hole. The bearing is fixedly connected to the side of the fixed plate. The bearing is located directly in front of the hole. The inner side of the auxiliary plate has an arc groove.

[0009] Preferably, a rotating rod is fixedly connected to the outer annular surface of the threaded tube, and one end of the moving screw passes through the positioning frame.

[0010] Preferably, a limiting bearing is provided at one end of the moving screw rod. A positioning clamping plate is provided on the side of the limiting bearing. A positioning clamping groove is provided on the inner side of the positioning frame. The positioning clamping plate can be inserted into the positioning clamping groove, and the moving screw rod is fixedly connected to the inner ring of the limiting bearing.

[0011] Preferably, a moving clamping block is provided on the side of the positioning frame. A moving clamping groove is formed on the inner side of the fixing plate. The moving clamping block is inserted into the moving clamping groove at the bottom of the fixing plate. The moving clamping block can slide in the moving clamping groove, and the positioning frame can be displaced in the fixing plate.

[0012] Preferably, the fastening plate is integrally in the shape of a square plate. An arc-shaped plate is provided on the side of the fastening plate. A limiting block is provided at the end face of the fastening plate. The limiting block can be inserted into the sliding groove, and the limiting block can move along the sliding groove.

[0013] Preferably, the limiting frame is integrally in the shape of a "匚"-shaped plate. One end of the limiting frame can be inserted into the positioning groove. The inner side of the limiting frame contacts the surface of the limiting bearing. One end of the limiting frame can move up and down in the positioning groove.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] The fastener for machining mechanical parts proposed by the present utility model can displace the moving screw rod in the fixing plate by rotating the threaded tube during use, so that the positioning frame can move in the fixing plate, and then the workpiece can be clamped and positioned by the fastening plate and the auxiliary plate arranged in the positioning frame. When positioning a tubular workpiece, the fastening plate can be pulled out upward, rotated and then installed in the positioning frame, so that the arc-shaped plate arranged on the side of the fastening plate is on the outside, and then the arc-shaped plate can be used to cooperate with the auxiliary plate to position and clamp the tubular workpiece, realizing the flexible adjustment and efficient use of the fastener. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic structural view of the present utility model;

[0017] Figure 2 is a schematic structural view of the positioning frame in the structure of the present utility model;

[0018] Figure 3 is Figure 2 the enlarged structural view at A in

[0019] Figure 4 is Figure 2 the enlarged structural view at B in

[0020] Figure 5 [[ID=4十一]]is a schematic view of the internal structure in the structure of the present utility model;

[0021] Figure 6 is Figure 5Enlarged structural diagram at point C;

[0022] Figure 7 This is a schematic diagram of the fastening plate structure in this utility model.

[0023] Figure 8 This is a schematic diagram of the internal structure of the positioning frame in the utility model structure;

[0024] Figure 9 This is a side view of the fastening plate in the structure of the utility model.

[0025] In the diagram: 1. Fixed plate; 2. Auxiliary plate; 3. Bearing; 4. Threaded pipe; 5. Moving screw; 6. Positioning frame; 7. Slide groove; 8. Fastening plate; 9. Positioning groove; 10. Limiting frame; 11. Rotating rod; 12. Limiting bearing; 13. Positioning plate; 14. Positioning slot; 15. Moving block; 16. Moving slot;

[0026] 17. Curved plate; 18. Limiting block. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of this utility model clear and complete, the embodiments of this utility model will be further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only some, not all, embodiments of this utility model, and are merely used to explain the embodiments of this utility model. They are not intended to limit the embodiments of this utility model. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0028] Example 1: Please refer to Figures 1-9 This utility model provides a technical solution: a fastener for machining mechanical parts, the fastener for machining mechanical parts includes: a fixing plate 1, an auxiliary plate 2 is provided on the surface of the fixing plate 1, a bearing 3 is provided on the outer side of the fixing plate 1, a threaded tube 4 is provided on the surface of the bearing 3, and a movable screw 5 is screwed into the threaded tube 4.

[0029] Positioning frame 6, with a sliding groove 7 on the side of positioning frame 6, a fastening plate 8 on the inner side of positioning frame 6, and a positioning groove 9 on the side of positioning frame 6, into which a limit frame 10 is inserted.

[0030] In use, the moving screw 5 can be displaced within the fixed plate 1 by rotating the threaded tube 4, thereby allowing the positioning frame 6 to move within the fixed plate 1. This, in conjunction with the fastening plate 8 and auxiliary plate 2 within the positioning frame 6, can clamp and position the workpiece. When positioning a tubular workpiece, the fastening plate 8 can be pulled out upwards, rotated, and then installed within the positioning frame 6, so that the arc-shaped plate 17 on the side of the fastening plate 8 is on the outer side. This allows the arc-shaped plate 17, in conjunction with the auxiliary plate 2, to position and clamp the tubular workpiece.

[0031] Example 2: Based on Example 1, a fastening plate 8 is provided to facilitate the positioning and clamping of the workpiece. An arc-shaped plate 17 is provided on the side of the fastening plate 8, and a limiting block 18 is provided on the end face of the fastening plate 8. A sliding groove 7 is provided on the side of the positioning frame 6, and the limiting block 18 can be inserted into the sliding groove 7 and can move along the sliding groove 7.

[0032] In order to engage the limiting block 18 into the slide groove 7 and prevent the fastening plate 8 from shifting, the slide groove 7 on the side of the positioning frame 6 has a "convex" shaped internal structure, which restricts the movement of the fastening plate 8, thereby achieving better processing.

[0033] The positioning frame 6 has a movable card block 15 on its side and a movable card slot 16 on its inner side. The movable card block 15 is inserted into the movable card slot 16 at the bottom of the fixed plate 1. The movable card block 15 can slide in the movable card slot 16 and the positioning frame 6 can be displaced within the fixed plate 1.

[0034] To ensure the smooth and directional movement of the positioning frame 6, a moving slot 16 is provided on the inner side of the fixing plate 1. The moving slot 16 is a track for the moving block 15 to slide, thus ensuring the smooth and directional movement of the positioning frame 6.

[0035] One end of the movable screw 5 is provided with a limit bearing 12, the side of the limit bearing 12 is provided with a positioning plate 13, the inner side of the positioning frame 6 is provided with a positioning slot 14, the positioning plate 13 can be inserted into the positioning slot 14, and the movable screw 5 is fixedly connected to the inner ring surface of the limit bearing 12.

[0036] When processing the workpiece, the threaded tube 4 is rotated by rotating rod 11, which drives the moving screw 5 to move forward. The positioning frame 6 moves forward under the movement of the moving screw 5. The fastening plate 8 is located in the sliding groove 7 opened on the side of the positioning frame 6. As the positioning frame 6 moves forward, it moves forward, and finally achieves the effect of positioning and clamping the workpiece by the fastening plate 8.

[0037] Example 3: Based on Example 2, a sliding groove 7 and a limiting block 18 are provided to facilitate the processing of tubular workpieces. The fastening plate 8 is a square plate structure. An arc plate 17 is provided on the side of the fastening plate 8. A limiting block 18 is provided on the end face of the fastening plate 8. The limiting block 18 can be inserted into the sliding groove 7 and can move along the sliding groove 7.

[0038] In order to facilitate the processing of tubular structures during use, the groove 7 opened on the side of the positioning frame 6 can be used to make it easy to pull out one end of the fastening plate 8 from the groove 7 and replace the arc plate 17 in the fastening plate 8, thereby achieving the effect of facilitating the processing of tubular workpieces.

[0039] In practical use, the moving screw 5 can be displaced within the fixed plate 1 by rotating the threaded tube 4, thereby allowing the positioning frame 6 to move within the fixed plate 1. This, in conjunction with the fastening plate 8 and auxiliary plate 2 within the positioning frame 6, allows for clamping and positioning of the workpiece. When positioning a tubular workpiece, the fastening plate 8 can be pulled out upwards and rotated before being installed within the positioning frame 6, so that the arc-shaped plate 17 on the side of the fastening plate 8 is on the outer side. This allows the arc-shaped plate 17, in conjunction with the auxiliary plate 2, to position and clamp the tubular workpiece, achieving flexible adjustment and efficient use of the fastener. This avoids the problem that the clamping surface of a typical fastening structure is mainly flat, which, when clamping and fixing some tubular structures, results in a small contact area between the flat clamping plate and the tubular workpiece, potentially leading to workpiece misalignment during processing.

[0040] Although 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 alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A fastener for machining mechanical parts, characterized in that: The fastener for machining mechanical parts includes: a fixing plate (1), an auxiliary plate (2) is arranged on the surface of the fixing plate (1), a bearing (3) is arranged on the outer side surface of the fixing plate (1), a threaded pipe (4) is arranged on the surface of the bearing (3), and a moving screw rod (5) is screwed inside the threaded pipe (4); A positioning frame (6), a sliding groove (7) is formed on the side surface of the positioning frame (6), a fastening plate (8) is arranged on the inner side surface of the positioning frame (6), a positioning groove (9) is formed on the side surface of the positioning frame (6), and a limiting frame (10) is clamped in the positioning groove (9); The fastening plate (8) is integrally in a square plate structure, an arc-shaped plate (17) is arranged on the side surface of the fastening plate (8), a limiting block (18) is arranged on the end surface of the fastening plate (8), the limiting block (18) can be inserted into the sliding groove (7), and the limiting block (18) can move along the sliding groove (7).

2. A fastener for machining mechanical parts according to claim 1, characterized in that: The auxiliary plate (2) is fixedly connected to the surface of the fixing plate (1), the auxiliary plate (2) is in a square plate structure, a hole is formed on the side surface of the fixing plate (1), the bearing (3) is fixedly connected to the side surface of the fixing plate (1), the bearing (3) is located directly in front of the hole, and an arc-shaped groove is formed on the inner side surface of the auxiliary plate (2).

3. A fastener for machining mechanical parts according to claim 1, characterized in that: A rotating rod (11) is fixedly connected to the outer ring surface of the threaded pipe (4), and one end of the moving screw rod (5) passes through the positioning frame (6).

4. A fastener for machining mechanical parts according to claim 1, characterized in that: A limiting bearing (12) is arranged at one end of the moving screw rod (5), a positioning clamping plate (13) is arranged on the side surface of the limiting bearing (12), a positioning clamping groove (14) is arranged on the inner side surface of the positioning frame (6), the positioning clamping plate (13) can be inserted into the positioning clamping groove (14), and the moving screw rod (5) is fixedly connected to the inner ring surface of the limiting bearing (12).

5. A fastener for machining mechanical parts according to claim 1, characterized in that: A moving clamping block (15) is arranged on the side surface of the positioning frame (6), a moving clamping groove (16) is formed on the inner side surface of the fixing plate (1), the moving clamping block (15) is inserted into the moving clamping groove (16) at the bottom of the fixing plate (1), the moving clamping block (15) can slide in the moving clamping groove (16), and the positioning frame (6) can displace inside the fixing plate (1).

6. A fastener for machining mechanical parts according to claim 1, characterized in that: The limiting frame (10) is integrally in a "U"-shaped plate structure, one end of the limiting frame (10) can be inserted into the positioning groove (9), the inner side surface of the limiting frame (10) contacts the surface of the limiting bearing (12), and one end of the limiting frame (10) can displace up and down in the positioning groove (9).

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