Workpiece feeding device

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By designing a workpiece loading device that uses elastic rings and guide tubes, the problem of inaccurate pin position in surgical robots is solved, automatic loading and precise connection of pins is realized, and overall processing efficiency is improved.

CN222330897UActive Publication Date: 2025-01-10SHANGHAI SHENGZHE MEDICAL TECH CO LTD

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Patent Information

Application Number: CN202420278592.2
Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner
Filing Date: 2024-02-05
Publication Date: 2025-01-10
Estimated Expiration: 2034-02-05

AI Technical Summary

Technical Problem

During the connection process of workpieces in existing surgical robots, the pin position is inaccurate and a lot of manpower is required to correct the position, resulting in low processing efficiency.

Method used

A workpiece loading device is designed to realize automatic and continuous loading of the pin shaft using elastic rings and lead pipes. The position of the pin shaft is accurately controlled through the cylinder and slide rail system, reducing manual operation and improving position accuracy.

Benefits of technology

It improves the position accuracy and processing efficiency of the pin shaft, reduces manual labor intensity, realizes automatic loading of workpieces, and enhances the continuity of the processing process.

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Abstract

The utility model discloses a workpiece feeding device which comprises a base and an installation frame fixedly installed on the top of the base, a movable plate fixedly connected with a bearing plate is arranged on the top of the base, one end of the bearing plate can extend to the outer side of the movable plate, and a through hole is formed between the upper surface and the lower surface of the end of the bearing plate. A through hole is formed in the bearing plate, a containing groove is formed in the through hole in the circumferential direction of the through hole, an elastic ring is arranged in the containing groove, the inner diameter of the elastic ring is smaller than that of the through hole, a fixing plate is arranged above the bearing plate, a material guiding pipe is inserted into the fixing plate in a penetrating mode, and the distance between the material guiding pipe and the bearing plate is smaller than the length of the pin shaft. An air cylinder is fixedly installed on the top of the base, and the movable end of the air cylinder is fixedly connected with the movable plate. According to the workpiece feeding device, automatic and continuous feeding of the pin shafts can be achieved, the position precision of the pin shafts is improved, the situation that the positions of the pin shafts are corrected is reduced, and the overall machining efficiency is improved.

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Description

Technical Field

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

[0002] Surgical robots assist doctors in performing complex surgical operations in a minimally invasive manner through clear imaging systems and flexible robotic arms. In existing technologies, pins can connect two workpieces in surgical instruments and are also one of the commonly used fasteners in modern mechanical equipment. However, their application in surgical robots places higher demands on the precision of the instruments.

[0003] In the prior art, most pressing devices still rely on manual loading by personnel. Personnel place the pin above the through hole of the workpiece, and press the pin between the two workpieces through the pressure plate of the pressing device to achieve the connection between the two workpieces. However, it is difficult for personnel to ensure the accurate position of the pin during the placement process, and it takes a lot of time and manpower for personnel to correct the position of the workpiece and the pin, resulting in poor processing efficiency. Utility Model Content

[0004] The utility model aims to provide a workpiece feeding device, which can not only realize automatic and continuous feeding of the pin shaft, but also improve the position accuracy of the pin shaft, reduce the situation of position correction of the pin shaft, and improve the overall processing efficiency.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a workpiece feeding device, comprising: a base, a mounting frame fixedly mounted on the top of the base, a movable plate fixedly connected to a bearing plate is arranged on the top of the base, one end of the bearing plate can extend to the outside of the movable plate, and a through hole is provided between the upper and lower surfaces of the end, a receiving groove is provided inside the through hole and along the circumference thereof, and an elastic ring is provided inside the receiving groove, and the inner diameter of the elastic ring is smaller than the inner diameter of the through hole;

[0006] A fixing plate is arranged above the bearing plate, and a material guide tube is inserted through the fixing plate. The distance between the material guide tube and the bearing plate is less than the length of the pin shaft. The upper end of the material guide tube can penetrate the mounting frame and extend out.

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

[0008] 1. 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.

[0009] 2. 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.

[0010] 3. In the above solution, the supporting plate is arranged perpendicular to the movable plate.

[0011] 4. In the above scheme, the fixing plate is provided with a strip groove which passes through the upper and lower parts, and the strip groove separates the fixing plate into a first clamping part and a second clamping part, and the lower end of the material guide tube is located between the first clamping part and the second clamping part.

[0012] 5. In the above solution, a connecting hole is respectively formed on the side wall of the first clamping part and the second clamping part, and a connecting piece is commonly connected between the two connecting holes to connect and clamp the first clamping part and the second clamping part.

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

[0014] The workpiece feeding device of the utility model places a pin inside the through hole of the bearing plate and supports the pin through an elastic ring, and the movable plate drives the bearing plate to move to the corresponding position, and under the pushing action of the ejector rod, the pin is pushed out from the elastic ring and the through hole, and embedded in the second through hole and the third through hole of the first workpiece and the second workpiece, thereby 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; further, it places multiple pins in advance inside the guide tube, when the through hole on the bearing plate is aligned with the outlet of the guide tube, the pin will fall into the through hole under the action of gravity, thereby realizing automatic and continuous feeding of the pin, greatly reducing the labor intensity of personnel, and also improving the feeding efficiency, improving the continuity of the processing process, which is conducive to improving the overall processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Attached Figure 1 This is a structural schematic diagram of the workpiece feeding device of the utility model;

[0016] Attached Figure 2 The partial structure diagram of the workpiece feeding device of the utility model is shown in FIG. Figure 1 ;

[0017] Attached Figure 3 The partial structure diagram of the workpiece feeding device of the utility model is shown in FIG. Figure 2 ;

[0018] Attached Figure 4 It is a partial structural cross-sectional view of the workpiece feeding device of the utility model.

[0019] In the above drawings: 100, base; 200, mounting frame; 10, pin shaft; 20, movable plate; 21, bearing plate; 22, through hole; 23, accommodating groove; 24, elastic ring; 25, cylinder; 26, slide rail; 27, slider; 30, fixed plate; 311, first clamping part; 312, second clamping part; 313, connecting hole; 314, connecting piece; 32, material guide pipe; 33, vertical plate; 34, strip groove; 35, half groove. Implementation

[0020] The present invention can be further understood through the specific embodiments given below, but they are not intended to limit the present invention.

[0021] Embodiment 1: A workpiece loading device, comprising: a base 100, a mounting frame 200 fixedly mounted on the top of the base 100, a movable plate 20 fixedly connected to a carrying plate 21 is arranged on the top of the base 100, one end of the carrying plate 21 can extend to the outside of the movable plate 20, and a through hole 22 is provided between the upper and lower surfaces of the end, a receiving groove 23 is arranged inside the through hole 22 and along the circumference thereof, and an elastic ring 24 is arranged 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;

[0022] A fixing plate 30 is disposed above the carrier plate 21, and a material guide tube 32 is inserted through the fixing plate 30. The distance between the material guide tube 32 and the carrier plate 21 is less than the length of the pin 10. The upper end of the material guide tube 32 can extend through the mounting frame 200.

[0023] A pin is placed in the material guide tube, and the movable plate can be driven to move by the cylinder, thereby driving the carrier plate to move. When the upper end of the through hole of the carrier plate is aligned with the material guide tube, the pin falls into the through hole and is supported by the elastic ring in the accommodating groove, and the carrier plate is driven to move to the loading position by the cylinder.

[0024] A cylinder 25 is fixedly mounted on the top of the base 100 , and a movable end of the cylinder 25 is fixedly connected to the moving plate 20 .

[0025] A slide rail 26 with a slider 27 is disposed below the moving plate 20 , and the moving plate 20 and the slider 27 are fixedly connected.

[0026] The supporting plate 21 is disposed perpendicular to the moving plate 20 .

[0027] The fixing plate 30 is provided with a strip groove 34 which passes through the upper and lower parts, and the strip groove 34 separates the fixing plate 30 into a first clamping part 311 and a second clamping part 312. The lower end of the guide tube 32 is located between the first clamping part 311 and the second clamping part 312.

[0028] The material guide tube passes through the half grooves of the first clamping part and the second clamping part, and the first clamping part and the second clamping part are locked by a connecting piece, so as to fix the position of the material guide tube. In addition, by providing a strip groove, the size of the material guide tube that can be accommodated between the half grooves can be adjusted, and then the size of the feeding pin shaft can be adjusted, thereby expanding the application range of the device.

[0029] A connecting hole 313 is respectively defined on the sidewalls of the first clamping portion 311 and the second clamping portion 312 , and a connecting member 314 is commonly connected between the two connecting holes 313 to connect and clamp the first clamping portion 311 and the second clamping portion 312 .

[0030] A half groove 35 is disposed inside the strip groove 34 and on the first clamping portion 311 and the second clamping portion 312 , respectively. The lower end of the material guide tube 32 is located between the two half grooves 35 .

[0031] The elastic ring 24 is an elastic rubber ring;

[0032] When multiple pins are stored in the material guide tube, when the lowest pin falls into the through hole, the bottom end face of the subsequent pin will be lower than the end face of the material guide tube outlet. When the supporting plate drives the pin to move to the specified position, the subsequent pin will continue to fall, and its bottom end face will slide in contact with the surface of the supporting plate.

[0033] Embodiment 2: A workpiece loading device, comprising: a base 100, a mounting frame 200 fixedly mounted on the top of the base 100, a movable plate 20 fixedly connected to a carrying plate 21 is arranged on the top of the base 100, one end of the carrying plate 21 can extend to the outside of the movable plate 20, and a through hole 22 is provided between the upper and lower surfaces of the end, a receiving groove 23 is arranged inside the through hole 22 and along the circumference thereof, and an elastic ring 24 is arranged 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;

[0034] By placing the pin inside the through hole of the carrier plate and supporting the pin through the elastic ring, the movable plate drives the carrier plate to move to the corresponding position, and under the pushing action of the ejector 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 of the first workpiece and the second workpiece, thereby 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;

[0035] A fixing plate 30 is disposed above the carrier plate 21, and a material guide tube 32 is inserted through the fixing plate 30. The distance between the material guide tube 32 and the carrier plate 21 is less than the length of the pin 10. The upper end of the material guide tube 32 can extend through the mounting frame 200.

[0036] By pre-placing multiple pins inside the material guide tube, when the through hole on the carrier plate is aligned with the outlet of the material guide tube, the pins will fall into the through hole under the action of gravity, thereby realizing automatic and continuous loading of the pins, greatly reducing the labor intensity of personnel, improving loading efficiency, improving the continuity of the processing process, and helping to improve overall processing efficiency.

[0037] A cylinder 25 is fixedly mounted on the top of the base 100 , and a movable end of the cylinder 25 is fixedly connected to the moving plate 20 .

[0038] A slide rail 26 with a slider 27 is disposed below the moving plate 20 , and the moving plate 20 and the slider 27 are fixedly connected.

[0039] The supporting plate 21 is disposed perpendicular to the moving plate 20 .

[0040] The fixing plate 30 is provided with a strip groove 34 which passes through the fixing plate 30 from top to bottom, and the strip groove 34 separates the fixing plate 30 into a first clamping portion 311 and a second clamping portion 312 . The lower end of the material guide tube 32 is located between the first clamping portion 311 and the second clamping portion 312 .

[0041] A connecting hole 313 is respectively defined on the sidewalls of the first clamping portion 311 and the second clamping portion 312 , and a connecting member 314 is commonly connected between the two connecting holes 313 to connect and clamp the first clamping portion 311 and the second clamping portion 312 .

[0042] A vertical plate 33 is disposed between the fixing plate 30 and the base 100 .

[0043] The elastic ring 24 is an elastic silicone ring.

[0044] The working principle is:

[0045] When in use, a pin is placed in the material guide tube, and the cylinder can drive the moving plate to move, thereby driving the carrying plate to move. When the upper end of the through hole of the carrying plate is aligned with the material guide tube, the pin falls into the through hole and is supported by the elastic ring in the accommodating groove, and the carrying plate is driven to move to the loading position by the cylinder;

[0046] The material guide pipe passes through the half grooves of the first clamping part and the second clamping part, and the first clamping part and the second clamping part are locked by the connecting piece, so as to realize the position fixing of the material guide pipe, and by providing the strip groove, the size of the material guide pipe that can be accommodated between the half grooves can be adjusted, and then the size of the feeding pin can be adjusted, thereby expanding the application range of the device;

[0047] When multiple pins are stored in the material guide tube, when the lowest pin falls into the through hole, the bottom end face of the subsequent pin will be lower than the end face of the material guide tube outlet. When the supporting plate drives the pin to move to the specified position, the subsequent pin will continue to fall, and its bottom end face will slide in contact with the surface of the supporting plate.

[0048] When the workpiece loading device is used, the pin is placed inside the through hole of the carrier plate, and the pin is supported by the elastic ring. The movable plate drives the carrier plate to move to the corresponding position. Under the pushing action of the ejector 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 of the first workpiece and the second workpiece, thereby 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;

[0049] Furthermore, by pre-placing a plurality of pins inside the material guide tube, when the through hole on the supporting plate is aligned with the outlet of the material guide tube, the pins will fall into the through hole under the action of gravity, thereby realizing automatic and continuous loading of the pins, greatly reducing the labor intensity of personnel, improving loading efficiency, improving the continuity of the processing process, and helping to improve overall processing efficiency.

[0050] 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 workpiece feeding device, comprising: A base (100), and a mounting frame (200) fixedly mounted on the top of the base (100), characterized in that: a movable plate (20) fixedly connected to a bearing plate (21) is arranged on the top of the base (100), one end of the bearing plate (21) can extend to the outside of the movable plate (20), and a through hole (22) 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) 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); A fixing plate (30) is arranged above the supporting plate (21), and a material guide tube (32) is inserted through the fixing plate (30). The distance between the material guide tube (32) and the supporting plate (21) is less than the length of the pin shaft (10), and the upper end of the material guide tube (32) can penetrate the mounting frame (200) and extend out.

2. The workpiece feeding device according to claim 1, characterized in that: A cylinder (25) is fixedly mounted on the top of the base (100), and a movable end of the cylinder (25) is fixedly connected to the movable plate (20).

3. The workpiece feeding device according to claim 1, characterized in that: A slide rail (26) having a slide block (27) is provided below the movable plate (20), and the movable plate (20) and the slide block (27) are fixedly connected.

4. The workpiece feeding device according to claim 1, characterized in that: The carrying plate (21) is arranged perpendicular to the moving plate (20).

5. The workpiece feeding device according to claim 1, characterized in that: The fixing plate (30) is provided with a strip groove (34) which passes through the upper and lower parts, and the strip groove (34) divides the fixing plate (30) into a first clamping part (311) and a second clamping part (312), and the lower end of the material guide tube (32) is located between the first clamping part (311) and the second clamping part (312).

6. The workpiece feeding device according to claim 5, characterized in that: A connecting hole (313) is respectively formed on the side walls of the first clamping portion (311) and the second clamping portion (312), and a connecting piece (314) is commonly connected between the two connecting holes (313) to connect and clamp the first clamping portion (311) and the second clamping portion (312).