Metal positioning non-return structure

Abstract

The utility model relates to a metal positioning non-return structure which is used for improving positioning precision and preventing springback. The structure comprises a fixed seat, a positioning sleeve, a guide groove, a positioning pin, a limiting column, a spring and the like. A stepped through hole and a limiting table are arranged in the positioning sleeve, and the positioning pin is slidably connected to the positioning sleeve and provided with a reinforcing section and an operating part. The guide grooves are evenly formed in the axial direction of the positioning sleeve and provide stable guiding. According to the technical scheme, efficient matching with the positioning disc is achieved through unique structural characteristics, the positioning precision and the non-return effect are improved, and the positioning device is suitable for various mechanical positioning and springback prevention scenes.

Description

Technical Field

[0001] The present application relates to the technical field of mechanical positioning, and in particular to a metal positioning check structure. Background Art

[0002] In modern industrial production, precise positioning and fixing of workpieces are crucial to ensuring machining accuracy and improving production efficiency. Especially in the fields of automated assembly lines, mechanical processing, automobile manufacturing, etc., the application of positioning check structures is particularly extensive. Traditional positioning check structures usually include components such as fixed seats, positioning sleeves, positioning pins, etc., which work together to ensure the stability of the workpiece during the machining process and the accuracy of repeated positioning. However, the positioning check structures in the prior art have some limitations. For example, some structures are prone to wear after long-term use, resulting in a decrease in positioning accuracy; some structures are complicated to operate and require additional locking devices to ensure the stability of the positioning pins, which not only increases manufacturing costs, but also increases the difficulty of operation. In addition, some positioning check structures are prone to rotation after positioning, causing problems such as repeated welding, affecting welding quality. Utility Model Content

[0003] The purpose of this application is to provide a metal positioning and non-return structure for cooperating with a positioning plate to complete the positioning and prevent rebound. To achieve the above purpose, this application provides the following technical solutions: A metal positioning and non-return structure, comprising:

[0004] A fixing seat, wherein the fixing seat has a mounting groove therein, and the mounting groove is in the shape of an elongated strip;

[0005] A positioning sleeve is provided on the fixing seat, the positioning sleeve is arranged perpendicular to the fixing seat, a through hole is provided in the positioning sleeve, the through hole is a stepped hole, that is, one end of the through hole is a large hole and the other end is a small hole, a limiting platform is provided in the small hole, and the limiting platform is arranged along the circumference of the small hole;

[0006] A guide groove, wherein the guide groove is arranged on the periphery of the positioning sleeve and is arranged along the axial direction of the positioning sleeve;

[0007] A positioning pin, wherein the positioning pin is slidably connected to the positioning sleeve along its own axis, and one end of the positioning pin has a reinforcement section adapted to the inner diameter of the large hole, the other end has an operating portion, and the middle is a pin body, and the pin body is provided with a positioning hole, and the positioning hole is arranged along the radial direction of the positioning pin;

[0008] a limiting post, the limiting post being radially inserted into the positioning pin through the positioning hole;

[0009] A spring is sleeved on the pin body, with one end of the spring abutting against the limiting column and the other end abutting against the limiting platform.

[0010] Preferably, the positioning hole is arranged to intersect perpendicularly with the axial direction of the pin body, and the positioning hole passes through the positioning pin.

[0011] Preferably, the guide grooves are symmetrically arranged around the circumference of the positioning sleeve.

[0012] Preferably, in the present technical solution, four guide grooves are provided and are evenly arranged around the periphery of the positioning sleeve.

[0013] Preferably, the present technical solution further includes a limiting groove, which is arranged on the side wall of the guide groove.

[0014] Preferably, in the present technical solution, at least two pairs of the limiting grooves are provided along the axial direction of the guide groove to provide a plurality of limiting positions.

[0015] Preferably, in the technical solution, the tolerance between the outer diameter of the reinforcement section of the positioning pin and the inner diameter of the large hole is 0 to +0.05 mm.

[0016] Preferably, the groove wall of the guide groove is provided with a wear-resistant and anti-skid layer.

[0017] Preferably, in the technical solution, at least two positioning holes are provided in the axial direction of the pin body to provide a plurality of limiting positions.

[0018] Compared with the prior art, the present invention has the following advantages:

[0019] The metal positioning check structure of this application achieves efficient coordination with the positioning plate through a unique positioning sleeve and positioning pin design, effectively solving the technical problems of positioning and preventing rebound. The stepped through-hole and stop plate within the positioning sleeve enable the positioning pin to slide and position precisely, greatly improving positioning accuracy and reliability, and avoiding equipment failures and production accidents caused by inaccurate positioning. Secondly, the structural design of this application cleverly utilizes guide grooves, which make the positioning pin more stable during sliding and reduce positioning pin displacement caused by vibration and other factors, thereby further ensuring positioning accuracy. The guide grooves are arranged axially along the positioning sleeve, ensuring accurate guidance and facilitating installation and maintenance. The vertical arrangement of the fixing seat and positioning sleeve, as well as the reinforced section design of the pin body, not only improve the stability and durability of the overall structure, but also make the structure more compact and save installation space. Furthermore, the introduction of a spring ensures the flexible movement of the positioning pin while providing sufficient elastic force to prevent rebound. This design not only improves the check effect but also reduces maintenance costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A three-dimensional schematic diagram of a metal positioning and non-return structure proposed in an embodiment of the present application;

[0021] Figure 2 Schematic diagram of the three-dimensional structure of the positioning pin;

[0022] Figure 3 This is a front view of the fixing seat and the positioning sleeve;

[0023] Figure 4 for Figure 3 Sectional view of AA;

[0024] Figure 5 for Figure 3 Cutaway view of the middle BB;

[0025] Figure 6 for Figure 3 Sectional view of CC;

[0026] Figure 7 It is a three-dimensional schematic diagram of the fixing seat and the positioning sleeve;

[0027] In the figure: 1. Fixing seat; 2. Mounting slot; 3. Positioning sleeve; 4. Through hole; 5. Large hole; 6. Small hole; 7. Limiting platform; 8. Guide slot; 9. Positioning pin; 10. Reinforcement section; 11. Operating part; 12. Pin body; 13. Positioning hole; 14. Limiting column; 15. Spring; 16. Limiting slot. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of this application to clearly and completely describe the technical solutions in the embodiments of this application. Obviously, the embodiments described are only part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0029] It should be noted that, in the description of this application, the terms "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limiting this application.

[0030] Furthermore, it should be understood that for ease of description, the sizes of the various components shown in the drawings are not drawn according to actual proportions. For example, the thickness or width of certain layers may be exaggerated relative to other layers.

[0031] It should be noted that like numbers and letters represent similar items in the following figures, so once an item is defined or described in one figure, it will not need to be further discussed and described in detail in the description of the subsequent figures.

[0032] In order to solve the technical problems in the background technology, such as Figure 1-7 As shown, the present application provides a technical solution: a metal positioning check structure, the characteristics of which are as follows:

[0033] The fixing base 1 is made of metal and has an elongated mounting slot 2 for attaching the metal positioning check structure to other components. The design of the mounting slot 2 allows for connection to mounting holes of varying sizes, expanding its application range. The locating sleeve 3 is mounted on the fixing base 1, perpendicular to the fixing base 1. A through hole 4 is provided within the locating sleeve 3. The through hole 4 is a stepped hole with a large hole 5 at one end and a small hole 6 at the other. The large hole 5 and the small hole 6 are connected by the interior of the locating sleeve 3. The inner diameter of the large hole 5 is compatible with the reinforced section 10 of the locating pin 9, ensuring smooth insertion and sliding of the locating pin 9. A limit plate 7 is provided within the small hole 6, evenly spaced along the circumference of the small hole 6, providing stable support for the spring 15 within the small hole 6. A guide groove 8 is provided around the periphery of the locating sleeve 3, extending along its axial direction. The design of the guide groove 8 ensures that the locating pin 9 maintains stable guidance during sliding. The locating pin 9 slides along its own axis and connects to the locating sleeve 3. One end of the locating pin 9 has a reinforcement section 10 that is adapted to the inner diameter of the large hole 5, and the other end has an operating part 11 for the convenience of manual operation by the user, with a pin body 12 in the middle. A plurality of positioning holes 13 are provided on the pin body 12. These positioning holes 13 are arranged along the radial direction of the pin body 12 to allow the insertion of the limiting column 14. The limiting column 14 is radially inserted into the locating pin 9 through the positioning hole 13. On the one hand, it is convenient to cooperate with the operating part 11 to jointly realize the advancement of the locating pin 9, and on the other hand, it is used to cooperate with the guide groove 8 to limit the moving path of the locating pin 9 to ensure that it will not twist arbitrarily during axial movement. The spring 15 is sleeved on the pin body 12, with one end abutting the limiting column 14 and the other end abutting the limiting platform 7. The function of the spring 15 is to provide continuous elastic force to ensure that the locating pin 9 is always in the initial state when not operated, and to ensure that it provides power to restore the initial state after the force is completed.

[0034] During use, the operator pushes the positioning pin 9 via the operating portion 11, causing it to slide along the guide groove 8. When the reinforced section 10 of the positioning pin 9 extends from the large hole 5, the head of the positioning pin 9 is designed with an extended end that mates with the hole in the positioning disc. When the extended end is inserted into the hole in the positioning disc, it mates with the positioning disc, and the positioning pin 9 is smoothly inserted, completing the positioning. To release the positioning, the operator simply releases the operating portion 11, and the elastic force provided by the spring 15 causes the positioning pin 9 to rebound to its original position.

[0035] Furthermore, the positioning hole 13 is provided on the pin body 12, perpendicularly intersecting the axial direction of the pin body 12 and extending through the positioning pin 9. In other words, the orientation of the positioning hole 13 forms a 90-degree angle with the axial direction of the pin body 12. This design allows the positioning hole 13 to penetrate the positioning pin 9, allowing the limiting post 14 to radially pass through the positioning hole 13 and into the pin body 12. This allows both ends of the limiting post 14 to extend out of the positioning hole 13, transforming guidance from one end to simultaneous guidance on both sides.

[0036] It should be noted that the guide grooves are arranged on the outer surface of the positioning sleeve 3 and are evenly and symmetrically distributed. Specifically, the guide grooves 8 are evenly arranged along the circumferential direction of the positioning sleeve 3, and there are two of them, corresponding to the two ends of the limiting column 14. The two ends of the limiting column 14 just fall into the two guide grooves 8 to achieve bilateral guidance. The multiple guide grooves 8 are evenly arranged in the circumferential direction to ensure that the positioning pin 9 can be evenly stressed during the sliding process, reducing friction and wear. The symmetrically arranged guide grooves 8 can effectively guide the movement trajectory of the positioning pin 9 and ensure its stability during positioning.

[0037] Furthermore, there are four guide grooves 8, and these guide grooves 8 are evenly arranged around the periphery of the positioning sleeve 3. This design provides symmetry and balance when the positioning pin 9 slides inside the positioning sleeve 3, ensuring the movement stability and positioning accuracy of the positioning pin 9.

[0038] It should be noted that limiting grooves 16 are provided on the side walls of the guide groove 8. These limiting grooves 16 are evenly distributed along the side walls of the guide groove 8. The limiting grooves 16 can be designed in a rectangular, semicircular or any other suitable shape to ensure that the limiting column 14 can smoothly fall into and be fixed in the limiting groove 16. The size of the limiting groove 16 is slightly larger than the size of the limiting column 14 to facilitate the insertion and removal of the limiting column 14, while ensuring sufficient friction to fix the positioning pin 9. When the limiting column 14 falls into the limiting groove 16, it fits tightly with the side walls of the limiting groove 16, thereby fixing the position of the positioning pin 9 in the positioning sleeve 3 and preventing the positioning pin 9 from being displaced due to external force.

[0039] Furthermore, multiple pairs of limit slots 16 are provided axially along the guide slot 8 to provide multiple limit positions, thereby enhancing the flexibility and application range of the positioning pin 9, allowing the positioning pin 9 to be quickly and accurately positioned in multiple preset positions. These limit slots 16 are evenly spaced along the axial direction of the guide slot 8, ensuring that the positioning pin 9 can stably stop at multiple positions when sliding within the guide slot 8.

[0040] It should be noted that the tolerance range between the outer diameter of the reinforcement section 10 of the locating pin 9 and the inner diameter of the large hole 5 is 0 to +0.05 mm. This design detail ensures a precise fit and smooth operation of the locating pin 9 as it slides within the large hole 5. The diameter of the large hole 5 is slightly larger than the outer diameter of the reinforcement section 10 to ensure that the locating pin 9 can slide freely within the large hole 5. This tolerance range ensures that the locating pin 9 has an appropriate tightness when sliding within the large hole 5, neither too loose to cause the locating pin 9 to wobble during operation nor too tight to make insertion or removal of the locating pin 9 difficult.

[0041] It should be pointed out that a wear-resistant and anti-skid layer is specially provided on the groove wall of the guide groove 8 to enhance the wear resistance and anti-skid properties of the guide groove 8, and ensure that the positioning pin 9 can still maintain precise positioning and smooth sliding after long-term use. The wear-resistant and anti-skid layer can be a metal-based anti-skid coating prepared by thermal spraying technology. This coating can enhance the friction coefficient and hardness of the material surface, and play an anti-skid and wear-resistant role. The design of the wear-resistant and anti-skid layer can also include adding reinforcing phases such as ceramic particles and carbides to the coating to improve the wear resistance and anti-skid properties of the coating. These reinforcing phases are rapidly cooled during the deposition process and converted into phases with high hardness and wear resistance, thereby enhancing the anti-skid and wear resistance of the coating.

[0042] It is worth noting that the pin body 12 is provided with a plurality of positioning holes 13. This design detail is intended to provide multiple limiting positions so that the positioning pin 9 can be quickly and accurately positioned in different preset positions, thereby enhancing the flexibility and application range of the positioning pin 9. These positioning holes 13 are arranged along the radial direction of the pin body 12 and intersect perpendicularly with the axial direction of the pin body 12, thereby passing through the positioning pin 9. The positioning holes 13 allow the limiting column 14 to be radially inserted into the positioning pin 9 to fix the position of the positioning pin 9 in the positioning sleeve 3. When the limiting column 14 falls into any positioning hole 13, it fits tightly with the side wall of the positioning hole 13, thereby fixing the position of the positioning pin 9 in the positioning sleeve 3.

[0043] Although the embodiments of the present application 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 application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A metal positioning check structure, characterized in that: include: A fixing seat (1), wherein the fixing seat (1) has a mounting groove (2), and the mounting groove (2) is in the shape of an elongated strip; A positioning sleeve (3), the positioning sleeve (3) is arranged on the fixing seat (1), the positioning sleeve (3) and the fixing seat (1) are arranged perpendicularly, a through hole (4) is arranged in the positioning sleeve (3), the through hole (4) is a stepped hole, that is, one end of the through hole (4) is a large hole (5), and the other end is a small hole (6), a limiting platform (7) is arranged in the small hole (6), and the limiting platform (7) is arranged along the circumference of the small hole (6); A guide groove (8), wherein the guide groove (8) is arranged on the periphery of the positioning sleeve (3), and the guide groove (8) is arranged along the axial direction of the positioning sleeve (3); A positioning pin (9), wherein the positioning pin (9) is slidably connected to the positioning sleeve (3) along its own axis, and one end of the positioning pin (9) has a reinforcement section (10) adapted to the inner diameter of the large hole (5), and the other end has an operating portion (11), with a pin body (12) in the middle, and a positioning hole (13) is provided on the pin body (12), and the positioning hole (13) is provided along the radial direction of the positioning pin (9); A limiting post (14), wherein the limiting post (14) is radially inserted into the positioning pin (9) through the positioning hole (13); A spring (15) is sleeved on the pin body (12), with one end abutting against the limiting column (14) and the other end abutting against the limiting platform (7).

2. The metal positioning and non-return structure according to claim 1, characterized in that: The positioning hole (13) is arranged to intersect perpendicularly with the axial direction of the pin body (12), and the positioning hole (13) passes through the positioning pin (9).

3. The metal positioning and non-return structure according to claim 2, characterized in that: The guide grooves (8) are symmetrically arranged around the circumference of the positioning sleeve (3).

4. The metal positioning and non-return structure according to claim 3, characterized in that: Four guide grooves (8) are provided and are evenly arranged around the periphery of the positioning sleeve (3).

5. The metal positioning and non-return structure according to claim 4, characterized in that: It also includes a limiting groove (16), which is arranged on the side wall of the guide groove (8).

6. The metal positioning and non-return structure according to claim 5, characterized in that: At least two pairs of limiting grooves (16) are arranged along the axial direction of the guide groove (8) to provide multiple limiting positions.

7. The metal positioning and non-return structure according to claim 1, characterized in that: The tolerance between the outer diameter of the reinforcement section (10) of the positioning pin (9) and the inner diameter of the large hole (5) is 0 to +0.05 mm.

8. The metal positioning and non-return structure according to claim 4, characterized in that: A wear-resistant and anti-skid layer is provided on the groove wall of the guide groove (8).

9. The metal positioning and non-return structure according to any one of claims 1 to 8, characterized in that: At least two positioning holes (13) are provided in the axial direction of the pin body (12) to provide multiple limiting positions.

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