Quick-release type modular screw tooth locker

Abstract

The invention belongs to the technical field of mounting jigs, and particularly relates to a quick-release type modular thread locker which comprises a middle sleeve, a buckle and an outer sleeve which are mounted in a sleeving manner from inside to outside, and the middle sleeve is provided with a threaded end used for being fixed to a basic rack. The buckle is of a barrel-shaped structure formed by splicing and combining four identical sub-components in an axial array mode, one end of the buckle is embedded in the end, away from the threaded end, of the middle sleeve in a sleeving mode, the outer sleeve is embedded in the buckle in a sleeving mode, the outer sleeve is of a barrel-shaped structure with the two ends open, and the two ends of the outer sleeve are open. The end, close to the threaded end, of the outer sleeve is provided with an outer shaft shoulder matched with a basic rack to clamp a workpiece, the outer sleeve and the middle sleeve are subjected to axial buffering and displacement compensation through the elastic buffering unit, the buckle is used for forming axial displacement limiting on the outer sleeve and the middle sleeve, modular design and a quick disassembly structure are adopted, the assembly tool can be quickly replaced, and the assembly efficiency is improved. The production efficiency is improved, an independent air cylinder clamping device does not need to be customized for each product, and the tool manufacturing cost is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of mounting fixtures, in particular to a quick-release modular screw thread locker. Background Art

[0002] In modern industrial manufacturing, assembly line efficiency and product quality have always been key factors in improving productivity and reducing costs. Especially when it comes to parts that need to be frequently disassembled and reassembled, how to improve assembly efficiency and reduce the complexity of tooling and operation has become a major challenge faced by various companies. To achieve this goal, mechanical connectors such as bolts and nuts are often used for fastening in the traditional assembly process. However, this method not only requires a lot of manual operation, but is also prone to unstable fastening force due to uneven strength of the operator, thus affecting assembly quality and production efficiency.

[0003] In the existing production process, many assembly operations rely on cylinder clamping to fix parts. Although the cylinder clamping method can provide strong clamping force and ensure high precision in the assembly process, it faces many problems in actual application. First of all, the cylinder clamping method requires customized tooling for each product series, which not only increases the manufacturing cost of the tooling, but also makes the tooling management complicated. Each series of products requires an independent cylinder clamping device, which undoubtedly increases the investment in tooling for enterprises and increases the difficulty of management and maintenance. In addition, due to the different clamping requirements and assembly environments of each series of products, the existing cylinder clamping tooling often cannot flexibly adapt to the assembly of multiple series of products, resulting in the need for frequent tooling replacement, further reducing production efficiency. Summary of the invention

[0004] In view of the shortcomings of the prior art, in order to reduce the dependence on cylinder clamping and optimize the production line space, the present invention provides a quick-release modular screw thread locker, comprising a middle sleeve, a buckle and an outer sleeve which are mutually sleeved and installed from the inside to the outside, the middle sleeve is provided with a threaded end for fixing to a basic frame, the buckle is a cylindrical structure composed of four completely identical sub-components spliced ​​and assembled in the form of an axial array, one end of the buckle is sleeved on the end of the middle sleeve away from the threaded end, the outer sleeve is nested on the buckle, the outer sleeve is a cylindrical structure with two ends open, the end of the outer sleeve close to the threaded end is provided with an outer shoulder which cooperates with the basic frame to clamp the workpiece, the outer sleeve and the middle sleeve are axially buffered and displacement compensated by an elastic buffer unit, and the buckle is used to form an axial displacement limit for the outer sleeve and the middle sleeve.

[0005] The inner wall of the outer sleeve is provided with an inner flange, an elastic buffer unit is provided between one side of the inner flange and the middle sleeve, the other side of the inner flange is in contact with the buckle, the inner wall of the outer sleeve and the outer wall of the buckle form a sliding contact, the end face of the middle sleeve away from the threaded end is provided with an undercut protruding from the axial surface, and the inner wall of the buckle is provided with an inner concave snap ring engaged with the undercut; the end face of the middle sleeve away from the threaded end is provided with a mounting hole, a core shaft is slidably installed in the mounting hole, a spring hole is provided on the side of the core shaft facing the mounting hole, a center spring is provided between the spring hole and the mounting hole, an outer conical surface is provided on the end face of the core shaft away from the mounting hole, and an inner conical surface matching the outer conical surface is provided on the inner wall of the buckle.

[0006] An avoidance concave ring is provided on the circumference of the outer wall of the buckle, and an inner flange protruding toward the axial direction is provided on the side of the outer sleeve away from the threaded end.

[0007] An inner concave mounting ring is provided on the circumference of the outer wall of the buckle on one side close to the inner shoulder, and an O-ring is installed in the inner concave mounting ring.

[0008] The elastic buffer unit includes an installation groove, a retaining spring, a washer and a tail spring. The middle sleeve outer wall is circumferentially provided with an installation groove, a retaining spring is installed in the installation groove, a washer abutting against the retaining spring is installed on the circumference of the middle sleeve outer wall, and a tail spring is installed between the washer and the inner shaft shoulder.

[0009] An inner diameter of one end of the buckle away from the threaded end is provided with an internal thread.

[0010] Compared with the prior art, the present invention provides a quick-release modular screw thread locker having the following features:

[0011] Beneficial effects:

[0012] Improve production efficiency: Due to the modular design and quick-release structure, the assembly tooling can be quickly replaced, reducing the time for tooling replacement and significantly improving production efficiency. Especially in the assembly process of multiple series of products, it can quickly adapt to the clamping requirements of different products without frequent tooling replacement.

[0013] Reduce tooling costs: The clamp is modularly designed to adapt to different production needs. While ensuring a constant tightening force, there is no need to customize a separate cylinder clamping device for each product series, which greatly reduces the manufacturing cost of tooling.

[0014] Simplified operation and maintenance: With the quick-disassembly structure design, operators only need to disassemble and install to complete the replacement, which greatly simplifies the operation process. In addition, the modular design makes maintenance and management more convenient, improving the overall production efficiency of the enterprise.

[0015] Strong adaptability: Since the lock can be flexibly adjusted and adapted to different assembly requirements, it can be widely used in various industrial production lines, especially for complex production tasks that require frequent disassembly and reassembly, it has strong adaptability. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0017] Figure 2 Schematic diagram of the three-dimensional structure of the buckle;

[0018] Figure 3 It is a schematic diagram of the internal structure of the present invention;

[0019] Figure 4 This is a schematic diagram of the structure in which the middle sleeve adopts a universal ball joint to connect the threaded end.

[0020] In the figure: 1. middle sleeve; 11. threaded end; 12. undercut; 13. mounting groove; 14. mounting hole; 2. retaining ring; 3. center spring; 4. tail spring; 5. O-ring; 6. outer sleeve; 61. outer shoulder; 62. inner flange; 63. inner shoulder; 7. snap; 71. inner thread; 72. inner cone; 73. avoidance concave ring; 74. concave retaining ring; 8. core shaft; 81. spring hole; 82. outer cone; 9. washer. DETAILED DESCRIPTION

[0021] 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 described embodiments 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 creative work are within the scope of protection of the present invention.

[0022] Example

[0023] Combine the following Figures 1 to 4 , introduces a quick-release modular screw thread locker provided by the present application, including a quick-release modular screw thread locker, including a middle sleeve 1, a buckle 7, and an outer sleeve 6 which are installed mutually from the inside to the outside, the middle sleeve 1 is provided with a threaded end 11 for fixing to a basic frame, the buckle 7 is a cylindrical structure composed of four identical sub-components spliced ​​and assembled in the form of an axial array, one end of the buckle 7 is embedded in the end of the middle sleeve 1 away from the threaded end 11, the outer sleeve 6 is nested on the buckle 7, the outer sleeve 6 is a cylindrical structure with openings at both ends, the end of the outer sleeve 6 close to the threaded end 11 is provided with an outer shoulder 61 which cooperates with the basic frame to clamp the workpiece, the outer sleeve 6 and the middle sleeve 1 are axially buffered and displacement compensated by an elastic buffer unit, and the buckle 7 is used to form an axial displacement limit for the outer sleeve 6 and the middle sleeve 1.

[0024] The inner wall of the outer sleeve 6 is provided with an inner flange 62, and an elastic buffer unit is provided between one side of the inner flange 62 and the middle sleeve 1, and the other side of the inner flange 62 abuts against the buckle 7, and the inner wall of the outer sleeve 6 and the outer wall of the buckle 7 form a sliding contact, and the end surface of the middle sleeve 1 away from the threaded end 11 is provided with an undercut 12 protruding from the axial surface, and the inner wall of the buckle 7 is provided with an inner concave snap ring 74 engaged and embedded with the undercut 12; the end surface of the middle sleeve 1 away from the threaded end 11 is provided with a mounting hole 14, and a core shaft 8 is slidably installed in the mounting hole 14, and a spring hole 81 is provided on the side of the core shaft 8 facing the mounting hole 14, and a center spring 3 is provided between the spring hole 81 and the mounting hole 14, and the end surface of the core shaft 8 away from the mounting hole 14 is provided with an outer conical surface 82, and the inner wall of the buckle 7 is provided with an inner conical surface 72 matching the outer conical surface 82, and the details of the fastening state are as follows: Figure 3 .

[0025] An avoidance concave ring 73 is provided on the circumference of the outer wall of the buckle 7, and an inner flange 62 protruding toward the axial direction is provided on the side of the outer sleeve 6 away from the threaded end 11.

[0026] An inner concave mounting ring is provided on the circumference of the outer wall of the buckle 7 near the inner shoulder 63 , and an O-ring 5 is installed in the inner concave mounting ring.

[0027] The elastic buffer unit includes an installation groove 13, a retaining spring 2, a washer 9 and a tail spring 4. The installation groove 13 is provided on the circumference of the outer wall of the middle sleeve 1, and the retaining spring 2 is installed in the installation groove 13. The washer 9 abutting against the retaining spring 2 is installed on the circumference of the outer wall of the middle sleeve 1, and the tail spring 4 is installed between the washer 9 and the inner shoulder 63.

[0028] An inner diameter of one end of the buckle 7 away from the threaded end 11 is provided with an inner thread 71 .

[0029] The locker adopts a modular design, and can be flexibly adapted by replacing the buckle 7, the outer sleeve 6 and other parts according to different product series or process requirements. The buckle 7 can quickly release the locking effect during disassembly through the cooperation of the inner concave mounting ring and the O-ring 5, which greatly improves the disassembly speed and reduces the complexity of manual operation. The outer sleeve 6 is provided with an inner flange 62 protruding toward the axial direction on the side away from the threaded end 11, so as to clamp the workpiece more firmly.

[0030] During use, the operator only needs to put the outer sleeve 6 onto the buckle 7, and the buckle 7 is connected to the undercut 12 of the middle sleeve 1 through the inner wall, and the outer sleeve 6 cooperates with the inner flange 62 of the buckle 7 to achieve assembly and fixation. Due to the modular design of the buckle 7, once the clamping force needs to be replaced or adjusted, the outer sleeve 6 and the buckle 7 need to be simply disassembled to quickly achieve switching or maintenance. The elastic buffer unit can effectively absorb the impact force generated during the disassembly or assembly process, avoid damage to parts, and ensure the stability and durability of the equipment.

[0031] The principle is that when the outer sleeve 6 moves axially to the right, under the elastic force of the compressed center spring 3, the core shaft 8 moves relatively axially to the left, thereby pushing the buckle 7 open. At this time, the internal thread 71 on the buckle 7 cannot form a complete thread structure that can be threaded. When the end face of the core shaft 8 is subjected to the force of axial movement to the right, the center spring 3 is compressed, and the buckle 7 loses the force of being pushed open by the core shaft 8. At this time, the outer sleeve 6 moves axially to the left under the elastic force of the tail spring 4, thereby clamping the buckle 7. The thread on the inner wall of the buckle 7 can form a complete thread structure that can be threaded.

[0032] It is worth noting that the middle sleeve 1 is provided with a threaded end 11 for fixing to the base frame. The threaded end 11 is not necessarily machined directly at the end of the middle sleeve 1. Figure 4 As shown, a universal ball joint is hinged at the end of the middle sleeve 1, and a threaded end 11 is arranged on the universal ball joint.

[0033] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A quick-release modular screw thread locker, characterized in that: The invention comprises a middle sleeve (1), a buckle (7) and an outer sleeve (6) which are mutually sleeved and installed from the inside to the outside. The middle sleeve (1) is provided with a threaded end (11) for fixing to a basic frame. The buckle (7) is a cylindrical structure composed of four identical sub-components spliced ​​and assembled in the form of an axial array. One end of the buckle (7) is sleeved on an end of the middle sleeve (1) away from the threaded end (11). The outer sleeve (6) is nested on the buckle (7). The outer sleeve (6) is a cylindrical structure with two ends open. The end of the outer sleeve (6) close to the threaded end (11) is provided with an outer shoulder (61) which cooperates with the basic frame to clamp a workpiece. The outer sleeve (6) and the middle sleeve (1) are axially buffered and displacement compensated by an elastic buffer unit. The buckle (7) is used to form an axial displacement limit for the outer sleeve (6) and the middle sleeve (1).

2. A quick-release modular screw thread locker according to claim 1, characterized in that: The inner wall of the outer sleeve (6) is provided with an inner flange (62), an elastic buffer unit is provided between one side of the inner flange (62) and the middle sleeve (1), the other side of the inner flange (62) is in contact with the buckle (7), the inner wall of the outer sleeve (6) and the outer wall of the buckle (7) form a sliding contact, the end surface of the middle sleeve (1) away from the threaded end (11) is provided with an undercut (12) protruding from the axial surface, and the inner wall of the buckle (7) is provided with an inner concave snap ring (74) engaged with the undercut (12); the middle sleeve ( 1) A mounting hole (14) is provided on the end face away from the threaded end (11), a core shaft (8) is slidably installed in the mounting hole (14), a spring hole (81) is provided on the side of the core shaft (8) facing the mounting hole (14), a center spring (3) is provided between the spring hole (81) and the mounting hole (14), an outer conical surface (82) is provided on the end face of the core shaft (8) away from the mounting hole (14), and an inner conical surface (72) matching the outer conical surface (82) is provided on the inner wall of the buckle (7).

3. A quick-release modular screw thread locker according to claim 2, characterized in that: An avoidance concave ring (73) is provided on the circumference of the outer wall of the buckle (7), and an inner flange (62) protruding toward the axial direction is provided on the side of the outer sleeve (6) away from the threaded end (11).

4. A quick-release modular screw thread locker according to claim 2, characterized in that: An inner concave mounting ring is provided on the circumference of the outer wall of the buckle (7) on one side close to the inner shaft shoulder (63), and an O-ring (5) is installed in the inner concave mounting ring.

5. The quick-release modular screw thread locker according to claim 2, characterized in that: The elastic buffer unit comprises a mounting groove (13), a retaining spring (2), a washer (9) and a tail spring (4); the mounting groove (13) is provided on the circumference of the outer wall of the middle sleeve (1); the retaining spring (2) is installed in the mounting groove (13); the washer (9) abutting against the retaining spring (2) is installed on the circumference of the outer wall of the middle sleeve (1); and the tail spring (4) is installed between the washer (9) and the inner shaft shoulder (63).

6. A quick-release modular screw thread locker according to claim 2, characterized in that: An inner diameter of one end of the buckle (7) away from the threaded end (11) is provided with an internal thread (71).

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