Adjustable quick positioning jig based on nut pressing

Abstract

The utility model relates to the technical field of jigs, and discloses an adjustable quick positioning jig based on nut press fit, which comprises a long fixed connecting column, two ends of the outer part of the long fixed connecting column are fixedly connected in a fixed connecting plate, two long connecting springs are sleeved outside the long fixed connecting column, and the two long connecting springs are fixedly connected in the fixed connecting plate. The device comprises a long fixed connecting column, two sliding clamping plates are slidably connected to the outer portion of the long fixed connecting column, a fixed connecting shaft is fixedly connected to the interiors of the two sliding clamping plates, an auxiliary assembly is fixedly connected to the bottom of the fixed connecting shaft, and a driving assembly is fixedly connected to the top of the fixed connecting plate. In the utility model, the telescopic column and the cone are driven by the air cylinder to push the fixed supporting plate, so that the fixed supporting plate slides along the long fixed connecting column and extrudes the long connecting spring, the bidirectional self-adaptive adjustment of the clamping end is realized by utilizing the counter-acting force of the short connecting spring, the compatibility and the clamping stability of nuts with different specifications are improved, the manual intervention requirement is reduced, and the working efficiency is improved. The assembly efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of fixture technology, and in particular to an adjustable quick positioning fixture based on nut pressing. Background Technology

[0002] Nut pressing is a common process used in structural connections. It typically refers to the process of pressing a nut together with a metal part or other materials using a pressure device. The purpose of pressing is to firmly fix the nut to the workpiece so that it can be bolted to other parts in subsequent use. Positioning fixtures are tools used to precisely position and fix workpieces during production, assembly, and processing. Their main function is to ensure that the workpiece maintains the correct position and angle during processing and assembly, thereby ensuring the consistency and machining accuracy of each workpiece.

[0003] In the prior art, some positioning fixtures use mechanical devices to press the nut into a predetermined position, completing the positioning and fixing process in a short time. These fixtures usually combine pressing force and positioning structure to ensure that the nut does not shift during installation, thereby improving assembly efficiency and accuracy.

[0004] However, in practical use, some positioning fixtures usually use fixed clamping devices to ensure the precise positioning of the workpiece. These fixtures can effectively meet the needs of standardized production in some cases, but they are greatly limited when facing workpieces of different specifications and sizes, resulting in complex adjustments, high time consumption, and difficulty in guaranteeing processing accuracy. In response to the above problems, an adjustable quick positioning fixture based on nut pressing is proposed. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides an adjustable quick positioning fixture based on nut pressing, which aims to improve the problem that some fixed clamping devices in the prior art cannot be adaptively adjusted.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] An adjustable quick positioning fixture based on nut pressing includes a support base and a fixed connecting plate. An adaptive mechanism is fixedly connected inside the fixed connecting plate. Two linear guides are fixedly connected to the top of the support base. Sliding blocks are slidably connected to the outside of the linear guides. An adjustment mechanism is fixedly connected to the top of the two sliding blocks.

[0008] The adaptive mechanism includes a long fixed connecting column, the two outer ends of which are fixedly connected to the inside of the fixed connecting plate. Two long connecting springs are sleeved on the outside of the long fixed connecting column. Two sliding clamping plates are slidably connected to the outside of the long fixed connecting column. A fixed connecting shaft is fixedly connected inside the two sliding clamping plates. An auxiliary component is fixedly connected to the bottom of the fixed connecting shaft. A driving component is fixedly connected to the top of the fixed connecting plate.

[0009] As a further description of the above technical solution:

[0010] The adjustment mechanism includes a fixed support plate, with a limit sliding column rotatably connected inside the fixed support plate, and a connecting component fixedly connected to the outside of the limit sliding column;

[0011] As a further description of the above technical solution:

[0012] The auxiliary component includes a U-shaped connecting plate, with fixed telescopic columns fixedly connected to both the left and right ends of the U-shaped connecting plate, and short connecting springs sleeved on the outside of the fixed telescopic columns.

[0013] As a further description of the above technical solution:

[0014] The drive assembly includes a cylinder, the bottom of which is fixedly connected to the top of the support base, and a connecting telescopic column is fixedly connected to the drive end of the cylinder. A pushing cone is fixedly connected to the outside of the connecting telescopic column.

[0015] As a further description of the above technical solution:

[0016] The connecting assembly includes a rotating connecting plate, one end of which is fixedly connected to the outside of the limiting sliding column, and the other end of which is fixedly connected to a connecting support column.

[0017] As a further description of the above technical solution:

[0018] One end of the long connecting spring is fixedly connected to the outside of the sliding clamping plate, and the other end of the long connecting spring is fixedly connected to the inside of the fixed connecting plate.

[0019] As a further description of the above technical solution:

[0020] One end of the short connecting spring is fixedly connected to the outside of the U-shaped connecting plate, and the other end of the short connecting spring is fixedly connected to the inside of the fixed connecting plate;

[0021] As a further description of the above technical solution:

[0022] The top of the connecting support column is fixedly connected to the bottom of the fixed connecting plate, and the bottom of the connecting support column is slidably connected to the top of the fixed support plate.

[0023] This utility model has the following beneficial effects:

[0024] 1. In this utility model, the telescopic column driven by the cylinder and the fixed support plate pushed by the cone are made to slide along the long fixed connecting column and squeeze the long connecting spring. At the same time, the two intersecting sliding clamping plates and U-shaped connecting plates are linked by the fixed connecting shaft. The reaction force of the short connecting spring is used to realize the bidirectional adaptive adjustment of the clamping end, which improves the compatibility and clamping stability of nuts of different specifications, reduces the need for manual intervention, and improves assembly efficiency.

[0025] 2. In this utility model, by rotating the connecting plate in a lever-like manner, the connecting support column and the fixed connecting plate are driven to achieve multi-directional position adjustment, accurately adapting to different processing angles and assembly requirements, reducing manual intervention, and greatly improving positioning accuracy and operating efficiency. Attached Figure Description

[0026] Figure 1 This is a three-dimensional schematic diagram of the adjustable quick positioning fixture based on nut pressing proposed in this utility model;

[0027] Figure 2 This is a schematic diagram of the fixed connection plate of the adjustable quick positioning fixture based on nut pressing proposed in this utility model;

[0028] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0029] Figure 4 This is a schematic diagram of the connecting support column of the adjustable quick positioning fixture based on nut pressing proposed in this utility model.

[0030] Legend:

[0031] 1. Support base; 2. Fixed connecting plate; 3. Long fixed connecting column; 4. Long connecting spring; 5. Sliding clamping plate; 6. Fixed telescopic column; 7. Short connecting spring; 8. U-shaped connecting plate; 9. Fixed connecting shaft; 10. Cylinder; 11. Connecting telescopic column; 12. Pushing cone; 13. Linear guide rail; 14. Sliding block; 15. Fixed support plate; 16. Limiting sliding column; 17. Rotating connecting plate; 18. Connecting support column. Detailed Implementation

[0032] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0033] Reference Figures 1 to 3 This utility model provides an embodiment of an adjustable quick positioning fixture based on nut pressing, comprising a support base 1 for supporting an upper component, and a fixed connecting plate 2. An adaptive mechanism is fixedly connected inside the fixed connecting plate 2. The adaptive mechanism includes a long fixed connecting column 3, which is a cylindrical structure. Both ends of the long fixed connecting column 3 are firmly fixed to both sides inside the fixed connecting plate 2 by welding to ensure its stability. The two outer ends of the long fixed connecting column 3 are fixedly connected to the inside of the fixed connecting plate 2. Two long connecting springs 4 are sleeved on the outside of the long fixed connecting column 3. When the sliding clamping plate 5 is subjected to external force, the long connecting springs 4... It can provide elastic buffer and restoring force. One end of the long connecting spring 4 is fixedly connected to the outside of the sliding clamping plate 5, and the other end of the long connecting spring 4 is fixedly connected to the inside of the fixed connecting plate 2. Two sliding clamping plates 5 are slidably connected to the outside of the long fixed connecting column 3. The sliding clamping plate 5 has through holes that are adapted to the long fixed connecting column 3. The sliding along the long fixed connecting column 3 is achieved through clearance fit. Under the action of the long connecting spring 4, the two sliding clamping plates 5 can automatically adjust the distance to adapt to the clamping requirements of workpieces of different sizes. The two sliding clamping plates 5 are fixedly connected to the inside of the fixed connecting shaft 9, which is cylindrical.

[0034] An auxiliary component is fixedly connected to the bottom of the fixed connecting shaft 9. The auxiliary component includes a U-shaped connecting plate 8. The U-shaped connecting plate 8 is made of aluminum alloy and is U-shaped. Fixed telescopic columns 6 are fixedly connected to both the left and right ends of the U-shaped connecting plate 8. The fixed telescopic columns 6 are cylindrical structures. Short connecting springs 7 are sleeved on the outside of the fixed telescopic columns 6 to provide elastic support and buffer for the U-shaped connecting plate 8, so that it can flexibly adapt to the slight deformation of the workpiece during the working process. One end of the short connecting spring 7 is fixedly connected to the outside of the U-shaped connecting plate 8, and the other end of the short connecting spring 7 is fixedly connected to the inside of the fixed connecting plate 2.

[0035] A drive assembly is fixedly connected to the top of the fixed connecting plate 2. The drive assembly includes a cylinder 10. The bottom of the cylinder 10 is fixedly connected to the top of the support base 1. A connecting telescopic column 11 is fixedly connected to the drive end of the cylinder 10. The connecting telescopic column 11 is a cylindrical structure. A pushing cone 12 is fixedly connected to the outside of the connecting telescopic column 11. The surface is ground and has high surface precision. It is used to push the sliding clamping plate 5 to slide outward for movement.

[0036] Reference Figure 1 and Figure 4 The top of the support base 1 is fixedly connected to two linear guide rails 13. The linear guide rails 13 are high-precision rolling linear guide rails 13. The guide rail body is made of alloy steel. The outside of the linear guide rails 13 is slidably connected to sliding blocks 14. The sliding blocks 14 are rectangular block structures with ball bearings installed inside. They can slide smoothly in a straight line on the linear guide rails 13. The top of the two sliding blocks 14 is fixedly connected to an adjustment mechanism. The adjustment mechanism includes a fixed support plate 15. The fixed support plate 15 is rotatably connected to a limit sliding column 16. The limit sliding column 16 is a cylindrical structure and slides on the hole opened inside the support base 1.

[0037] The limiting sliding column 16 is externally fixedly connected to a connecting assembly, which includes a rotating connecting plate 17 to convert and transmit the force of the limiting sliding column 16. One end of the rotating connecting plate 17 is fixedly connected to the outside of the limiting sliding column 16, and the other end of the rotating connecting plate 17 is fixedly connected to a connecting support column 18. Through the action of the connecting telescopic column 11 and the pushing cone 12, the rotating connecting plate 17 and the connecting support column 18 are driven to rotate around the limiting sliding column 16. The top of the connecting support column 18 is fixedly connected to the bottom of the fixed connecting plate 2, and the bottom of the connecting support column 18 is slidably connected to the top of the fixed support plate 15.

[0038] Working principle: First, the starting cylinder 10 pushes the connecting telescopic column 11 forward, causing the pushing cone 12 to slide forward under the thrust. At the same time, it pushes one end of the fixed support plate 15 outward, causing one end of the fixed support plate 15 to slide outside the long fixed connecting column 3 and squeeze the long connecting spring 4 outside the long fixed connecting column 3. At the middle of the sliding clamping plate 5, the two sliding clamping plates 5 are passed through the fixed connecting shaft 9, so that the two sliding clamping plates 5 cross. At the same time, the bottom of the fixed connecting shaft 9 is connected to the U-shaped connecting plate 8, causing the U-shaped connecting plate 8 to slide to the left and right, thereby squeezing one of the fixed telescopic columns 6 and the short connecting spring 7. The other end of the sliding clamping plate 5 also slides outward, thereby clamping the nut. Because the sliding clamping plate 5 and the connected U-shaped connecting plate 8 squeeze the long connecting spring 4 and the short connecting spring 7 on both sides respectively as the nut is clamped, different nuts are used.

[0039] With the use of the positioning fixture, the sliding block 14 slides on the linear guide rail 13, and drives the fixed support plate 15 to slide on the support base 1 for adjustment. Because there is an arc-shaped hole at the bottom of the support base 1, the limiting sliding column 16 slides at the hole of the support base 1, thereby limiting the sliding direction of the limiting sliding column 16 and transmitting the force to the rotating connecting plate 17. The rotating connecting plate 17 rotates, and the connecting support column 18 at the other end of the rotating connecting plate 17 rotates with the rotating connecting plate 17, thereby driving the fixed connecting plate 2 at the top to adjust its position.

[0040] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An adjustable quick positioning fixture based on nut pressing, comprising a support base (1) and a fixed connecting plate (2), characterized in that: The fixed connecting plate (2) is internally fixedly connected to an adaptive mechanism, and the top of the support base (1) is fixedly connected to two linear guide rails (13). The linear guide rails (13) are externally slidably connected to sliding blocks (14), and the tops of the two sliding blocks (14) are fixedly connected to an adjustment mechanism. The adaptive mechanism includes a long fixed connecting column (3), the two outer ends of which are fixedly connected to the inside of the fixed connecting plate (2). Two long connecting springs (4) are sleeved on the outside of the long fixed connecting column (3). Two sliding clamping plates (5) are slidably connected to the outside of the long fixed connecting column (3). A fixed connecting shaft (9) is fixedly connected inside the two sliding clamping plates (5). An auxiliary component is fixedly connected to the bottom of the fixed connecting shaft (9). A driving component is fixedly connected to the top of the fixed connecting plate (2).

2. The adjustable quick positioning fixture based on nut pressing according to claim 1, characterized in that: The adjustment mechanism includes a fixed support plate (15), with a limit sliding column (16) rotatably connected inside the fixed support plate (15), and a connecting component fixedly connected to the outside of the limit sliding column (16).

3. The adjustable quick positioning fixture based on nut pressing according to claim 1, characterized in that: The auxiliary component includes a U-shaped connecting plate (8), and fixed telescopic columns (6) are fixedly connected to both the left and right ends of the U-shaped connecting plate (8). Short connecting springs (7) are sleeved on the outside of the fixed telescopic columns (6).

4. The adjustable quick positioning fixture based on nut pressing according to claim 1, characterized in that: The drive assembly includes a cylinder (10), the bottom of which is fixedly connected to the top of the support base (1), and the drive end of the cylinder (10) is fixedly connected to a connecting telescopic column (11), and a pushing cone (12) is fixedly connected to the outside of the connecting telescopic column (11).

5. The adjustable quick positioning fixture based on nut pressing according to claim 2, characterized in that: The connecting assembly includes a rotating connecting plate (17), one end of which is fixedly connected to the outside of the limiting sliding column (16), and the other end of which is fixedly connected to a connecting support column (18).

6. The adjustable quick positioning fixture based on nut pressing according to claim 1, characterized in that: One end of the long connecting spring (4) is fixedly connected to the outside of the sliding clamping plate (5), and the other end of the long connecting spring (4) is fixedly connected to the inside of the fixed connecting plate (2).

7. The adjustable quick positioning fixture based on nut pressing according to claim 3, characterized in that: One end of the short connecting spring (7) is fixedly connected to the outside of the U-shaped connecting plate (8), and the other end of the short connecting spring (7) is fixedly connected to the inside of the fixed connecting plate (2).

8. The adjustable quick positioning fixture based on nut pressing according to claim 5, characterized in that: The top of the connecting support column (18) is fixedly connected to the bottom of the fixed connecting plate (2), and the bottom of the connecting support column (18) is slidably connected to the top of the fixed support plate (15).

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