Pin detection jig

Abstract

The utility model relates to the technical field of detection devices, in particular to a pin detection jig, which comprises a base, a detection driver, an ejector block, an ejector pin, a guide seat and a carrier, the detection driver, the guide seat and the carrier are linearly arranged on the top surface of the base, the ejector block is arranged at the driving end of the detection driver and movably arranged on one side, far away from the carrier, of the guide seat, and the ejector pin is arranged on the ejector block. The ejector pin is arranged on the ejector block and can penetrate through the guide seat in a sliding mode, the carrier is provided with a positioning cavity used for bearing and positioning a product and an ejection groove communicated with the positioning cavity, the ejection groove is located in the side, away from the guide seat, of the positioning cavity, and the ejection groove and the ejector pin are arranged correspondingly. The pin detection device is simple in structure, low in cost, convenient to operate, capable of efficiently and automatically controlling the ejector pin, capable of reducing the labor intensity of an operator for detecting the firmness of pins, capable of improving the detection efficiency and suitable for detecting the pins produced in a large scale.

Description

Technical Field

[0001] The utility model relates to the technical field of detection devices, in particular to a pin detection fixture. Background Art

[0002] After assembling the pins on the product, the pins may become loose due to the pins being too small or the assembly holes being too large, which requires manual inspection. The traditional pin firmness inspection is for the operator to hold the assembled product in his left hand and press the pin with a pin in his right hand to check whether the pin is loose; this operation method is labor-intensive, inefficient, and has the risk of detection failure.

[0003] In order to facilitate the detection of pins, among the existing patents, the Chinese patent document with application number 201210128210.X discloses a handle pin detection jig, which includes the following components: a positioning fixture for placing the handle, the positioning fixture is provided with a fixture hole that matches the position of the handle pin hole; a substrate for supporting the jig; a pushing device consisting of a support block set on the substrate, a spring fixing column running through the support block, a spring wound around the surface of the spring fixing column, and an ejector pin at the end of the spring fixing column, the position of the ejector pin matches the position of the pin. Although this patent document can also complete the detection of pins, it cannot automatically complete the control of the ejector pin, and requires an operator to push the ejector pin, which has high labor intensity and low work efficiency.

[0004] Therefore, the defects are very obvious and a solution is urgently needed. Utility Model Content

[0005] In order to solve the above technical problems, the purpose of the utility model is to provide a pin detection fixture.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A pin detection fixture comprises a base, a detection driver, a push block, an ejector pin, a guide seat and a carrier. The detection driver, the guide seat and the carrier are linearly mounted on the top surface of the base. The push block is mounted on the driving end of the detection driver and movably arranged on a side of the guide seat away from the carrier. The ejector pin is mounted on the push block and can slide through the guide seat. The carrier is provided with a positioning cavity for carrying and positioning a product and an ejection groove connected to the positioning cavity. The ejection groove is located on a side of the positioning cavity away from the guide seat, and the ejection groove and the ejector pin are arranged correspondingly.

[0008] Furthermore, the guide seat is provided with a sliding hole, the sliding hole is arranged corresponding to the ejection groove, and the ejector pin can slide through the sliding hole.

[0009] Furthermore, the number of the ejector pins is one or more, and correspondingly, the number of the sliding holes and the number of the ejection grooves are both one or more.

[0010] Furthermore, the guide seat includes a lower guide block mounted on the top surface of the base and an upper guide block arranged on the lower guide block, and the upper guide block and the lower guide block are matched to form a sliding hole.

[0011] Furthermore, the guide seat is provided with a guide hole, the top block is mounted on the guide rod, and the guide rod is slidably matched with the guide hole.

[0012] Furthermore, a positioning column is protrudingly provided on the bottom wall of the positioning cavity.

[0013] Furthermore, the carrier is detachably connected to the base via a locking member.

[0014] Furthermore, a screw hole is provided on the bottom surface of the carrier, a locking adjustment groove is provided on the base, and the screw rod portion of the locking member passes through the locking adjustment groove and is threadedly connected with the screw hole.

[0015] Furthermore, a guide groove is installed on the bottom surface of the carrier, and a guide column is opened on the top surface of the base. The guide column is inserted into the guide groove and can slide with the guide groove; the extension direction of the guide groove is parallel to the extension direction of the locking adjustment groove, and the locking piece can move along the locking adjustment groove.

[0016] Furthermore, the detection driver is a cylinder, the cylinder body of the cylinder is mounted on the base, and the top block is mounted on the piston rod of the cylinder.

[0017] The beneficial effects of the utility model are as follows: in actual application, the product is placed in the positioning cavity of the carrier, and the positioning cavity carries and positions the product. At this time, the pin on the product is coaxial with the ejector, and the pin of the product corresponds to the ejection slot. Then, the detection driver drives the ejector block and the ejector to move in the direction close to the pin of the product, and the ejector slides relative to the guide seat until the ejector pushes the pin of the product and stays for a preset time (for example: 3 seconds, etc.) and then retreats. At this time, by checking whether the pin of the product is pushed out into the ejection slot, if the pin is pushed out, it proves that the product is unqualified (the pin is not installed firmly), and if the pin is not pushed out, it proves that the product is qualified (the pin is installed firmly). The utility model has a simple structure, low cost, convenient and efficient operation, and automatically completes the control of the ejector, reduces the labor intensity of operators to detect the firmness of the pin, improves the detection efficiency, and is suitable for pin detection in mass production. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional structural schematic diagram of the product of the utility model.

[0019] Figure 2 It is a schematic diagram of the exploded structure of the utility model.

[0020] Figure 3 It is a schematic diagram of the three-dimensional structure of the carrier of the utility model.

[0021] Description of reference numerals:

[0022] 1. Base; 2. Detection driver; 3. Ejector block; 4. Ejector pin; 5. Guide seat; 6. Carrier; 7. Positioning cavity; 8. Ejector groove; 9. Slide hole; 10. Lower guide block; 11. Upper guide block; 13. Guide rod; 14. Positioning column; 15. Locking piece; 16. Screw hole; 17. Locking adjustment groove; 18. Guide column; 19. Guide groove; 20. Product. DETAILED DESCRIPTION

[0023] In order to facilitate the understanding of those skilled in the art, the present invention is further described below in conjunction with embodiments and drawings. The contents mentioned in the implementation modes are not intended to limit the present invention.

[0024] like Figures 1 to 3 As shown, the utility model provides a pin detection fixture, which includes a base 1, a detection driver 2, a push block 3, an ejector pin 4, a guide seat 5 and a carrier 6. The detection driver 2, the guide seat 5 and the carrier 6 are linearly installed on the top surface of the base 1, the push block 3 is installed on the driving end of the detection driver 2 and is movably arranged on the side of the guide seat 5 away from the carrier 6, the ejector pin 4 is installed on the push block 3 and can slide through the guide seat 5, the carrier 6 is provided with a positioning cavity 7 for carrying and positioning the product 20 and an ejector groove 8 connected with the positioning cavity 7, the ejector groove 8 is located on the side of the positioning cavity 7 away from the guide seat 5, and the ejector groove 8 is arranged corresponding to the ejector pin 4.

[0025] In actual application, the product 20 is placed in the positioning cavity 7 of the carrier 6, and the positioning cavity 7 carries and positions the product 20. At this time, the pin on the product 20 is coaxial with the ejector 4, and the pin of the product 20 corresponds to the ejection slot 8. Then, the detection driver 2 drives the ejector block 3 to move with the ejector 4 in the direction close to the pin of the product 20, and the ejector 4 slides relative to the guide seat 5 until the ejector 4 pushes the pin of the product 20 and stays for a preset time (for example: 3 seconds, etc.) and then returns. At this time, by checking whether the pin of the product 20 is pushed out into the ejection slot 8, if the pin is pushed out, it proves that the product 20 is unqualified (the pin is not firmly installed), and if the pin is not pushed out, it proves that the product 20 is qualified (the pin is firmly installed). The utility model has a simple structure, low cost, convenient and efficient operation, and automatically completes the control of the ejector 4, reduces the labor intensity of the operator to detect the firmness of the pin, improves the detection efficiency, and is suitable for pin detection in mass production.

[0026] Specifically, the ejector pin 4 is a tungsten steel needle, which increases the service life of the ejector pin 4 ; the detection driver 2 is electrically connected to a foot controller, and the operator controls the operation of the detection driver 2 by stepping on the foot controller.

[0027] Specifically, the carrier 6 is embedded with a sensor (not shown in the figure), and the sensing end of the sensor is aligned with the ejection slot 8; the sensor automatically senses the pin to determine whether the pin is pushed out, so that the operator can quickly know whether the product 20 is qualified.

[0028] In this embodiment, the guide seat 5 is provided with a sliding hole 9, which is arranged corresponding to the ejection groove 8, and the ejector pin 4 can slide through the sliding hole 9. During the reciprocating movement of the ejector pin 4, the sliding hole 9 and the ejector pin 4 slide together, thereby improving the stability and position accuracy of the movement of the ejector pin 4.

[0029] In this embodiment, the number of ejector pins 4 is one or more, and correspondingly, the number of sliding holes 9 and the number of ejector slots 8 are both one or more. By increasing or decreasing the number of ejector pins 4, the number of disposable detection pins can be changed, and the versatility is good.

[0030] In this embodiment, the guide seat 5 includes a lower guide block 10 mounted on the top surface of the base 1 and an upper guide block 11 disposed on the lower guide block 10, and the upper guide block 11 is matched with the lower guide block 10 to form the slide hole 9. This structural design realizes the modular assembly of the guide seat 5 and facilitates the formation of the slide hole 9.

[0031] In this embodiment, the guide seat 5 is provided with a guide hole, and the top block 3 is mounted on the guide rod 13, and the guide rod 13 is slidably matched with the guide hole. During the reciprocating movement of the top block 3, the guide rod 13 is slidably matched with the guide hole, thereby improving the movement stability of the top block 3.

[0032] In this embodiment, a positioning column 14 is protruding from the bottom wall of the positioning cavity 7. When the product 20 is placed in the positioning cavity 7, the positioning hole of the product 20 is aligned with the positioning column 14, and then the product 20 is placed in the positioning cavity 7, so that the positioning column 14 is inserted into the positioning hole of the product 20 and the product 20 is positioned, and a side wall of the positioning cavity 7 close to the ejection groove 8 abuts against one side of the product 20, so as to stably position the product 20.

[0033] In this embodiment, the carrier 6 is detachably connected to the base 1 via a locking member 15; preferably, the locking member 15 can be a bolt. The detachable connection between the carrier 6 and the base 1 facilitates the disassembly and maintenance of the carrier 6 and the base 1, and is conducive to replacing different carriers 6 according to different products 20, has good versatility, and is convenient for the processing and molding of the carrier 6.

[0034] In this embodiment, the bottom surface of the carrier 6 is provided with a screw hole 16, the base 1 is provided with a locking adjustment groove 17, and the screw portion of the locking member 15 penetrates the locking adjustment groove 17 and is threadedly connected with the screw hole 16; specifically, the bottom surface of the carrier 6 is provided with a guide groove 19, and the top surface of the base 1 is provided with a guide column 18, the guide column 18 is inserted into the guide groove 19 and can slide with the guide groove 19; the extension direction of the guide groove 19 is parallel to the extension direction of the locking adjustment groove 17, and the locking member 15 can move along the locking adjustment groove 17. In practical applications, the relative position of the carrier 6 on the base 1 can be adjusted by loosening the locking member 15, and after the adjustment is completed, the carrier 6 can be locked by tightening the locking member 15. This structural design facilitates the adjustment of the relative position of the carrier 6 and the guide seat 5, and is conducive to adjusting the relative position of the ejection groove 8 and the slide hole 9, ensuring that the positions of the ejection groove 8, the pin of the product 20 and the ejector pin 4 in the slide hole 9 correspond.

[0035] In this embodiment, the detection driver 2 is a cylinder, the cylinder body of the cylinder is mounted on the base 1, and the top block 3 is mounted on the piston rod of the cylinder. The cylinder has low cost and sensitive action.

[0036] All technical features in this embodiment can be freely combined according to actual needs.

[0037] The above embodiments are preferred implementation schemes of the present invention. In addition, the present invention can also be implemented in other ways. Any obvious replacement without departing from the concept of the present technical solution is within the protection scope of the present invention.

Claims

1. A pin detection fixture, Features: The invention comprises a base (1), a detection driver (2), a push block (3), a push pin (4), a guide seat (5) and a carrier (6); the detection driver (2), the guide seat (5) and the carrier (6) are linearly mounted on the top surface of the base (1); the push block (3) is mounted on the driving end of the detection driver (2) and is movably mounted on a side of the guide seat (5) away from the carrier (6); the push pin (4) is mounted on the push block (3) and is capable of sliding through the guide seat (5); the carrier (6) is provided with a positioning cavity (7) for carrying and positioning a product (20) and an ejection groove (8) connected to the positioning cavity (7); the ejection groove (8) is located on a side of the positioning cavity (7) away from the guide seat (5); and the ejection groove (8) and the ejection pin (4) are arranged correspondingly.

2. A pin detection jig according to claim 1, Features: The guide seat (5) is provided with a sliding hole (9), the sliding hole (9) is arranged corresponding to the ejection groove (8), and the ejector pin (4) can slide through the sliding hole (9).

3. A pin detection jig according to claim 2, Features: The number of the ejector pins (4) is one or more, and correspondingly, the number of the sliding holes (9) and the number of the ejection grooves (8) are both one or more.

4. A pin detection jig according to claim 2 or 3, Features: The guide seat (5) comprises a lower guide block (10) mounted on the top surface of the base (1) and an upper guide block (11) arranged on the lower guide block (10); the upper guide block (11) and the lower guide block (10) are matched to form a sliding hole (9).

5. The pin detection jig according to claim 1, Features: The guide seat (5) is provided with a guide hole, the top block (3) is mounted on the guide rod (13), and the guide rod (13) is slidably matched with the guide hole.

6. A pin detection jig according to claim 1, Features: A positioning column (14) is protrudingly provided on the bottom wall of the positioning cavity (7).

7. The pin detection jig according to claim 1, Features: The carrier (6) is detachably connected to the base (1) via a locking member (15).

8. A pin detection jig according to claim 7, Features: The bottom surface of the carrier (6) is provided with a screw hole (16), the base (1) is provided with a locking adjustment groove (17), and the screw rod portion of the locking member (15) passes through the locking adjustment groove (17) and is threadedly connected with the screw hole (16).

9. A pin detection jig according to claim 8, Features: A guide groove (19) is installed on the bottom surface of the carrier (6), and a guide column (18) is opened on the top surface of the base (1). The guide column (18) is inserted into the guide groove (19) and can slide with the guide groove (19); the extension direction of the guide groove (19) is parallel to the extension direction of the locking adjustment groove (17), and the locking member (15) can move along the locking adjustment groove (17).

10. The pin detection jig according to claim 1, Features: The detection driver (2) is a cylinder, the cylinder body of the cylinder is mounted on the base (1), and the top block (3) is mounted on the piston rod of the cylinder.

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