Pin shaft pressing equipment

Abstract

The utility model discloses pin shaft pressing equipment, which is used for pressing a pin shaft between a first workpiece and a second workpiece and comprises a base, a mounting frame fixedly mounted at the top of the base, and a base fixedly mounted at the top of the base and used for placing the first workpiece and the second workpiece, a movable plate fixedly connected with a bearing plate is arranged on one side of the base, one end of the bearing plate can extend to the outer side of the movable plate, a through hole for a pin shaft to pass through is formed between the upper surface and the lower surface of the end of the bearing plate in a penetrating mode, and a containing groove is formed in the through hole in the circumferential direction of the through hole. An elastic ring used for bearing the pin shaft is arranged in the containing groove, a sliding rail with a sliding block is arranged below the movable plate, and the movable plate is fixedly connected with the sliding block. According to the pin shaft pressing equipment, automatic feeding of pin shafts is achieved, the position accuracy of the pin shafts is improved, and the conditions that potential safety hazards exist and positioning is not accurate due to manual placement are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of medical equipment processing, in particular to a pin pressing device. Background Art

[0002] Surgical operations performed by surgical robots can greatly reduce the size of wounds, improve surgical accuracy, and shorten surgical time, thereby reducing patient pain and reducing surgical risks. At the same time, higher requirements are placed on the processing accuracy of corresponding medical devices. In the prior art, in order to achieve the connection between two parts of a medical device, the through holes of the two parts can be overlapped and connected, and a pin can be manually placed above the corresponding through hole by a person, and then the pin is pressed into the through hole by lowering the pressure plate to complete the connection between the two parts.

[0003] After searching, the patent publication number CN219212184U discloses "a semi-automatic pressing tool for the middle shaft and the chainring fastening pin", including a tooling table, the tooling table includes an upper table and a lower table, a working space is formed between the upper table and the lower table, a cylinder is provided on the upper end surface of the upper table, a pressing upper die is provided on the lower end surface of the upper table, the pressing upper die is connected to the driving shaft of the cylinder, a first locating pin is provided on the pressing upper die, a support frame is provided on the lower table, and a second locating pin is provided at a position of the support frame corresponding to the first locating pin. The device can locate the fastening holes of the middle shaft and the chainring where the fastening pins need to be installed through the second locating pin, and then the cylinder is used to drive the fastening pin placed on the first locating pin to press downward, so that the fastening pin can be installed in the fastening hole. Finally, the above settings not only reduce the operating steps of employees, but also improve the work efficiency of employees.

[0004] Although the above device can reduce the number of operating steps for personnel, it is difficult for personnel to ensure the accurate position of the pin shaft during the placement process. At the same time, after the personnel place it, it is pressed together by the cylinder drive. If the personnel are not evacuated in time, there will be certain safety hazards, resulting in poor processing efficiency. Summary of the invention

[0005] The utility model aims to provide a pin pressing device, which realizes automatic feeding of the pin, improves the position accuracy of the pin, and avoids the safety hazards and inaccurate positioning caused by manual placement.

[0006] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a pin pressing device for pressing the pin into between the first workpiece and the second workpiece, comprising: a base, a mounting frame fixedly installed on the top of the base, a pressure plate with a push rod fixedly installed on the bottom is arranged inside the mounting frame, and a second cylinder for driving the pressure plate to move up and down is arranged on the top of the mounting frame, a base for placing the first workpiece and the second workpiece is fixedly installed on the top of the base, a movable plate fixedly connected to a supporting plate is arranged on one side of the base, one end of the supporting plate can extend to the outside of the movable plate, and a through hole for the pin to pass through is provided between the upper and lower surfaces of the end, a receiving groove is provided inside the through hole and along its circumference, and an elastic ring for supporting the pin is provided inside the receiving groove, and the inner diameter of the elastic ring is smaller than the inner diameter of the through hole.

[0007] The further improved scheme in the above technical scheme is as follows:

[0008] 1. In the above scheme, a guide groove is provided at both end openings of the through hole and along its circumference.

[0009] 2. In the above solution, a second guide groove is provided below the elastic ring and between the accommodating groove and the inner wall of the through hole.

[0010] 3. In the above solution, a cylinder is fixedly installed on the top of the base, and the movable end of the cylinder is fixedly connected to the movable plate.

[0011] 4. In the above solution, a stop block is fixedly installed on the side of the movable plate opposite to the cylinder.

[0012] 5. In the above solution, a slide rail with a slider is arranged below the movable plate, and the movable plate and the slider are fixedly connected.

[0013] Due to the application of the above technical solution, the utility model has the following advantages compared with the prior art:

[0014] The pin pressing device of the utility model places the pin inside the through hole of the carrier plate, supports the pin through an elastic ring, and drives the carrier plate to move to a corresponding position through a movable plate. Under the pushing action of a push rod, the pin is pushed out of the elastic ring and the through hole and embedded between the first workpiece and the second workpiece, thereby realizing automatic loading of the pin, avoiding the safety hazards and inaccurate positioning caused by manual placement, improving the position accuracy of the pin, reducing the situation of position correction of the pin, and thus improving the overall processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Attached Figure 1 It is a structural schematic diagram of the pin pressing device of the utility model;

[0016] Attached Figure 2 The local structure diagram of the pin pressing device of the utility model is shown in FIG. Figure 1 ;

[0017] Attached Figure 3 The local structure diagram of the pin pressing device of the utility model is shown in FIG. Figure 2 ;

[0018] Attached Figure 4 This is a schematic diagram of the connection structure between the first workpiece and the second workpiece of the utility model;

[0019] Attached Figure 5 It is a partial structural cross-sectional view of the pin pressing device of the utility model.

[0020] In the above drawings: 1000, first workpiece; 2000, second workpiece; 3000, pin; 100, base; 200, mounting frame; 300, second cylinder; 400, pressure plate; 500, push rod; 600, guide column; 10, base; 20, movable plate; 21, bearing plate; 22, through hole; 23, accommodating groove; 24, elastic ring; 25, guide groove; 26, second guide groove; 27, cylinder; 28, slide rail; 29, slider; 30, stop block. Implementation

[0021] The present invention can be further understood through the specific embodiments given below, but they are not intended to limit the present invention.

[0022] Embodiment 1: A pin pressing device, used for pressing a pin 3000 between a first workpiece 1000 and a second workpiece 2000, comprises: a base 100, a mounting frame 200 fixedly mounted on the top of the base 100, a pressing plate 400 with a push rod 500 fixedly mounted on the bottom is arranged inside the mounting frame 200, and a second cylinder 300 for driving the pressing plate 400 to move up and down is arranged on the top of the mounting frame 200, and a pin 300 for placing the first workpiece 1000, The base 10 of the second workpiece 2000 is provided with a movable plate 20 fixedly connected with a carrying plate 21 on one side of the base 10, one end of the carrying plate 21 can extend to the outside of the movable plate 20, and a through hole 22 for the pin 3000 to pass through is provided between the upper and lower surfaces of the end, a receiving groove 23 is provided inside the through hole 22 and along the circumference thereof, and an elastic ring 24 for supporting the pin 3000 is provided inside the receiving groove 23, and the inner diameter of the elastic ring 24 is smaller than the inner diameter of the through hole 22;

[0023] The first workpiece and the second workpiece are placed in the fixed seat, and the pin shaft is inserted into the through hole. The pin shaft will be supported by the elastic ring in the accommodating groove, and the bearing plate is driven to move to the loading position by the cylinder. The second cylinder is started to drive the pressure plate to move downward along the guide column, thereby driving the push rod at the bottom of the pressure plate to move downward, and the push rod supports the pin shaft to continue to move downward, so that the pin shaft squeezes the elastic ring and passes through the inside of the elastic ring, and then is guided by the second guide groove, so that the pin shaft is pushed out of the through hole, and the pin shaft continues to move and will gradually press into between the third through hole and the second through hole, so that the first workpiece can be connected with the second workpiece.

[0024] Both ends of the through hole 22 are opened and a guide groove 25 is disposed along the circumference thereof.

[0025] A second guide groove 26 is disposed below the elastic ring 24 and between the receiving groove 23 and the inner wall of the through hole 22 .

[0026] A cylinder 27 is fixedly mounted on the top of the base 100 , and a movable end of the cylinder 27 is fixedly connected to the moving plate 20 .

[0027] A stop block 30 is fixedly mounted on a side of the movable plate 20 opposite to the cylinder 27 .

[0028] A slide rail 28 with a slider 29 is disposed below the moving plate 20 , and the moving plate 20 and the slider 29 are fixedly connected.

[0029] The supporting plate 21 is disposed perpendicular to the moving plate 20 .

[0030] Embodiment 2: A pin pressing device, used for pressing a pin 3000 between a first workpiece 1000 and a second workpiece 2000, comprises: a base 100, a mounting frame 200 fixedly mounted on the top of the base 100, a pressing plate 400 with a push rod 500 fixedly mounted on the bottom is arranged inside the mounting frame 200, and a second cylinder 300 for driving the pressing plate 400 to move up and down is arranged on the top of the mounting frame 200, and a pin 300 for placing the first workpiece 1000, The base 10 of the second workpiece 2000 is provided with a movable plate 20 fixedly connected with a carrying plate 21 on one side of the base 10, one end of the carrying plate 21 can extend to the outside of the movable plate 20, and a through hole 22 for the pin 3000 to pass through is provided between the upper and lower surfaces of the end, a receiving groove 23 is provided inside the through hole 22 and along the circumference thereof, and an elastic ring 24 for supporting the pin 3000 is provided inside the receiving groove 23, and the inner diameter of the elastic ring 24 is smaller than the inner diameter of the through hole 22;

[0031] By placing the pin inside the through hole of the carrier plate, supporting the pin through an elastic ring, and driving the carrier plate to move to the corresponding position through the movable plate, the pin is pushed out of the elastic ring and the through hole under the pushing action of the ejector rod, and embedded in the second through hole and the third through hole, thereby avoiding the safety hazards and inaccurate positioning caused by manual placement, realizing automatic loading of the pin, improving the position accuracy of the pin, reducing the need for position correction of the pin, and thus improving the overall processing efficiency.

[0032] Both ends of the through hole 22 are opened and a guide groove 25 is disposed along the circumference thereof.

[0033] A second guide groove 26 is disposed below the elastic ring 24 and between the receiving groove 23 and the inner wall of the through hole 22 .

[0034] A cylinder 27 is fixedly mounted on the top of the base 100 , and a movable end of the cylinder 27 is fixedly connected to the moving plate 20 .

[0035] A slide rail 28 with a slider 29 is disposed below the moving plate 20 , and the moving plate 20 and the slider 29 are fixedly connected.

[0036] A plurality of guide posts 600 are disposed between the mounting frame 200 and the base 100 , and the pressing plate 400 is sleeved on the circumferential outer wall of the guide posts 600 .

[0037] The four corners of the pressing plate 400 are respectively sleeved with the guide posts 600 .

[0038] The working principle is:

[0039] When in use, the first workpiece and the second workpiece are placed in the fixed seat, and the pin shaft is inserted into the through hole. The pin shaft will be supported by the elastic ring in the accommodating groove, and the bearing plate is driven to move to the loading position by the cylinder. The second cylinder is started to drive the pressure plate to move downward along the guide column, thereby driving the push rod at the bottom of the pressure plate to move downward, and the push rod supports the pin shaft to continue to move downward, so that the pin shaft squeezes the elastic ring and passes through the inside of the elastic ring, and then is guided by the second guide groove, so that the pin shaft is pushed out of the through hole, and the pin shaft continues to move and will gradually press into between the third through hole and the second through hole, so that the first workpiece can be connected with the second workpiece.

[0040] When the above-mentioned pin pressing equipment is used, the pin is placed inside the through hole of the supporting plate, and the pin is supported by an elastic ring, and the supporting plate is driven to move to the corresponding position by the movable plate. Under the pushing action of the push rod, the pin is pushed out of the elastic ring and the through hole, and embedded in the second through hole and the third through hole, thereby avoiding the safety hazards and inaccurate positioning caused by manual placement, realizing automatic loading of the pin, improving the position accuracy of the pin, reducing the need for position correction of the pin, and thus improving the overall processing efficiency.

[0041] The above embodiments are only for illustrating the technical concept and features of the utility model, and their purpose is to enable people familiar with the technology to understand the content of the utility model and implement it accordingly, and they cannot be used to limit the protection scope of the utility model. Any equivalent changes or modifications made according to the spirit of the utility model should be included in the protection scope of the utility model.

Claims

1. A pin pressing device, used for pressing a pin (3000) between a first workpiece (1000) and a second workpiece (2000), comprising: A base (100), a mounting frame (200) fixedly mounted on the top of the base (100), a pressing plate (400) with a push rod (500) fixedly mounted on the bottom thereof is arranged inside the mounting frame (200), and a second cylinder (300) for driving the pressing plate (400) to move up and down is arranged on the top of the mounting frame (200); The invention is characterized in that: a base (10) for placing the first workpiece (1000) and the second workpiece (2000) is fixedly installed on the top of the base (100); a movable plate (20) fixedly connected to a carrying plate (21) is arranged on one side of the base (10); one end of the carrying plate (21) can extend to the outside of the movable plate (20); and a through hole (22) for the pin shaft (3000) to pass through is provided between the upper and lower surfaces of the end; a receiving groove (23) is provided inside the through hole (22) and along the circumference thereof; and an elastic ring (24) for supporting the pin shaft (3000) is provided inside the receiving groove (23); and the inner diameter of the elastic ring (24) is smaller than the inner diameter of the through hole (22).

2. The pin pressing device according to claim 1, characterized in that: A guide groove (25) is provided at both end openings of the through hole (22) and along its circumference.

3. The pin pressing device according to claim 1, characterized in that: A second guide groove (26) is provided below the elastic ring (24) and between the accommodating groove (23) and the inner wall of the through hole (22).

4. The pin pressing device according to claim 1, characterized in that: A cylinder (27) is fixedly mounted on the top of the base (100), and a movable end of the cylinder (27) is fixedly connected to the movable plate (20).

5. The pin pressing device according to claim 4, characterized in that: A stop block (30) is fixedly mounted on a side of the movable plate (20) opposite to the cylinder (27).

6. The pin pressing device according to claim 1, characterized in that: A slide rail (28) having a slide block (29) is provided below the movable plate (20), and the movable plate (20) and the slide block (29) are fixedly connected.

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