Needle head diameter limiting device for suture needle production
By designing the needle diameter limiting device for suture needle production, using a motor and a grinding wheel combined with a screw fixing structure, the efficient grinding of the suture needle is achieved, solving the problems of complex operation and high cost in the prior art, and achieving precise control and stable production of the suture needle diameter.
Patent Information
- Application Number
- CN202421662900.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-15
- Publication Date
- 2025-08-29
- Estimated Expiration
- 2034-07-15
AI Technical Summary
In the production of existing suture needles, grinding suture needles of different diameters requires devices of different sizes, which is troublesome to operate and increases production costs.
A needle diameter limiting device for suture needle production is designed, and the suture needle is rotated at high speed through a motor drive shaft and grinding wheel. Combined with the cylinder control grinding wheel and contact with the suture needle, the suture needle is fixed by screws to achieve limited grinding of suture needles of different diameters.
Efficient grinding of suture needles is achieved, ensuring that the suture needle reaches the specified diameter, avoiding the suture needle falling off and shaking when rotating at high speed, simplifying the operation process and reducing production costs.
Smart Images

Figure CN223277728U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of suture needle production, and more particularly to a needle diameter limiting device used in suture needle production. Background Art
[0002] Suture needles are mainly used for surgical sutures. They are mostly made of stainless steel wire with holes or grooves drilled or slotted at the needle tail. The surface is polished and electrolytically treated to be very smooth. However, different suture operations require suture needles of different diameters. Among existing suture needles, polishing suture needles of different diameters requires devices of different sizes, which is cumbersome to operate and increases production costs. Utility Model Content
[0003] In order to overcome the deficiencies of the prior art, the utility model provides a needle diameter limiting device for suture needle production, which has the advantage of being able to limit the needles of suture needles with different diameters.
[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a needle diameter limiting device for suture needle production, comprising a workbench, a fixed plate 1 being fixedly installed at the bottom of the workbench, a motor being fixedly installed at the bottom of the fixed plate 1, a rotating shaft being fixedly installed at the output end of the motor, a hollow body being provided at the top end of the rotating shaft, mounting holes being provided at the front and rear sides of the hollow body, a connecting block being inserted into the interior of the hollow body, and a suture needle being inserted into the interior of the connecting block.
[0005] As an optimal technical solution of the present invention, a slide groove is provided inside the workbench, a slider is slidably connected inside the slide groove, a connecting plate is fixedly installed above the slider, a fixing plate 2 is fixedly installed on the side of the connecting plate close to the rotating shaft, a bracket is fixedly installed above the fixing plate 2, a connecting column is fixedly installed above the bracket, a limiting rod is fixedly installed above the connecting column, the top end of the limiting cap is plugged with the limiting cap, and the outer side of the limiting cap is plugged with a grinding wheel.
[0006] As a preferred technical solution of the present invention, a fixing plate three is fixedly installed above the workbench, a cylinder is fixedly installed on the side of the fixing plate three away from the rotating shaft, and a connecting shaft is fixedly installed on the output end of the cylinder.
[0007] As a preferred technical solution of the present invention, a screw is inserted into the interior of the cavity, and a nut is engaged with the surface of the screw.
[0008] As a preferred technical solution of the present invention, there are two brackets, both of which are located above the second fixing plate, and there are four limit rods, which are respectively located above the two brackets.
[0009] As a preferred technical solution of the present invention, there are two connecting plates, and the two connecting plates are located on the left and right sides of the rotating shaft.
[0010] Compared with the prior art, the beneficial effects of the present invention are as follows:
[0011] 1. The utility model is characterized in that a bracket is fixedly installed above the second fixing plate, and a grinding wheel is inserted above the bracket. At the same time, the cylinder can drive the connecting plate to move through the slide groove and the slider. When the diameter of the suture needle needs to be limited, the grinding wheel is pushed to the side of the suture needle and contacts the suture needle. The suture needle is then driven by the motor to rotate at high speed and grind against the surface of the grinding wheel, thereby grinding to the specified diameter value.
[0012] 2. The utility model has a cavity body at the upper end of the rotating shaft, and mounting holes are provided on the front and rear sides of the cavity body. After the connecting block with the suture needle is inserted into the interior of the cavity body, the screw rod is passed from the rear of the rotating shaft through the mounting hole and from the interior of the connecting block to the front of the rotating shaft, and then the nut is engaged with the screw rod, so that the suture needle can be fixed as a whole, thereby preventing the suture needle from falling off and shaking when it is driven by the motor to rotate at high speed. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 This is a schematic diagram of the overall structure of the utility model;
[0014] Figure 2 For this utility model Figure 1 A magnified schematic diagram of the structure at A;
[0015] Figure 3 For this utility model Figure 1 A magnified schematic diagram of the structure at B;
[0016] Figure 4 This is a schematic diagram of the shaft structure of the utility model;
[0017] Figure 5 For this utility model Figure 4 Enlarged schematic diagram of the structure at C.
[0018] In the figure: 1. workbench; 2. fixing plate 1; 3. motor; 4. rotating shaft; 5. cavity; 6. mounting hole; 7. connecting block; 8. suture needle; 9. slide groove; 10. slider; 11. connecting plate; 12. fixing plate 2; 13. bracket; 14. connecting column; 15. limit cap; 16. limit rod; 17. grinding wheel; 18. fixing plate 3; 19. cylinder; 20. connecting shaft; 21. screw; 22. nut. DETAILED DESCRIPTION
[0019] 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 embodiments described 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 making creative efforts are within the scope of protection of the present invention.
[0020] like Figures 1 to 5 As shown, the utility model provides a needle diameter limiting device for suture needle production, including a workbench 1, a fixing plate 2 is fixedly installed at the bottom of the workbench 1, a motor 3 is fixedly installed at the bottom of the fixing plate 2, a rotating shaft 4 is fixedly installed at the output end of the motor 3, a hollow body 5 is provided at the top end of the rotating shaft 4, mounting holes 6 are provided on the front and back sides of the hollow body 5, a connecting block 7 is inserted into the interior of the hollow body 5, and a suture needle 8 is inserted into the interior of the connecting block 7.
[0021] The rotating shaft 4 is located inside the fixed plate 2 and rotates at high speed as driven by the motor 3, so that the suture needle 8 can rotate at high speed and contact the grinding wheel 17 for diameter grinding.
[0022] Among them, the workbench 1 is provided with a slide groove 9 inside, and a slider 10 is slidably connected inside the slide groove 9. A connecting plate 11 is fixedly installed above the slider 10. A fixing plate 2 12 is fixedly installed on the side of the connecting plate 11 close to the rotating shaft 4. A bracket 13 is fixedly installed above the fixing plate 2 12. A connecting column 14 is fixedly installed above the bracket 13. A limiting rod 16 is fixedly installed above the connecting column 14. The top of the limiting cap 15 is plugged with the limiting cap 15, and the outside of the limiting cap 15 is plugged with a grinding wheel 17.
[0023] The grinding wheel 17 is annular, and when the grinding wheel 17 contacts the suture needle 8, the suture needle 8 is in a state of high-speed rotation and will be ground by the grinding wheel 17. Thereby achieving the effect of limiting the diameter value of the top of the suture needle 8.
[0024] Among them, a fixing plate 3 18 is fixedly installed above the workbench 1, a cylinder 19 is fixedly installed on the side of the fixing plate 3 18 away from the rotating shaft 4, and a connecting shaft 20 is fixedly installed on the output end of the cylinder 19.
[0025] The cylinder 19 is located above the workbench 1 and is mainly used to drive the connecting plate 11 to move by controlling the connecting shaft 20, thereby controlling the distance between the grinding wheel 17 and the top of the suture needle 8.
[0026] A screw rod 21 is inserted into the cavity 5 , and a nut 22 is engaged with the surface of the screw rod 21 .
[0027] The screw 21 penetrates from the front of the rotating shaft 4 and fixes the suture needle 8 inside the cavity 5 to prevent the rotating shaft 4 from falling off after rotating.
[0028] There are two brackets 13 , both of which are located above the second fixing plate 12 ; there are four limiting rods 16 , both of which are located above the two brackets 13 .
[0029] The limiting rod 16 is in a thin cylindrical shape. When the grinding wheel 17 is placed above the bracket 13, the limiting rod 16 limits the grinding wheel 17 to prevent the grinding wheel 17 from deflecting and shaking.
[0030] There are two connecting plates 11 , and both connecting plates 11 are located on the left and right sides of the rotating shaft 4 .
[0031] The two connecting plates 11 are mainly used to support the second fixing plate 12 so as to connect the grinding wheel 17 .
[0032] The working principle and use process of this utility model:
[0033] First, insert the suture needle 8 into the interior of the connecting block 7 and fix it inside the connecting block 7. Then, insert the connecting block 7 with the suture needle 8 into the interior of the cavity 5. At the same time, insert the screw 21 into the interior of the mounting hole 6 and pass through the connecting block 7 so that the connecting block 7 and the suture needle 8 are fixed.
[0034] At the same time, remove the limiting cap 15 from the top of the connecting column 14, insert the grinding wheel 17 into the surface of the connecting column 14, and sleeve the limiting rod 16 inside, then snap the limiting cap 15 into the top of the connecting column 14 to limit the grinding wheel 17;
[0035] When the diameter of the suture needle 8 needs to be limited, the grinding wheel 17 is pushed to the side of the suture needle 8 and contacts the suture needle 8, and then the suture needle 8 is driven by the motor 3 to rotate at high speed and grind against the surface of the grinding wheel 17, so as to grind to the specified diameter value;
[0036] Finally, after the top end of the suture needle 8 is polished, the suture needle 8 is subjected to the next step of processing to make the surface of the suture needle 8 smooth.
[0037] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.
[0038] Although the embodiments of the present invention 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 invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A needle diameter limiting device for suture needle production, comprising a workbench (1), characterized in that: A fixing plate (2) is fixedly mounted on the bottom of the workbench (1), a motor (3) is fixedly mounted on the bottom of the fixing plate (2), a rotating shaft (4) is fixedly mounted on the output end of the motor (3), a cavity (5) is provided at the top end of the rotating shaft (4), mounting holes (6) are provided on both the front and rear sides of the cavity (5), a connecting block (7) is plugged into the interior of the cavity (5), and a suture needle (8) is plugged into the interior of the connecting block (7).
2. A needle diameter limiting device for suture needle production according to claim 1, characterized in that: A slide groove (9) is provided inside the workbench (1), and a slider (10) is slidably connected inside the slide groove (9), and a connecting plate (11) is fixedly installed above the slider (10), and a second fixing plate (12) is fixedly installed on the side of the connecting plate (11) close to the rotating shaft (4), and a bracket (13) is fixedly installed above the second fixing plate (12), and a connecting column (14) is fixedly installed above the bracket (13), and a limiting rod (16) is fixedly installed above the connecting column (14), and the top end of the limiting cap (15) is plugged into the limiting cap (15), and the outer side of the limiting cap (15) is plugged into a grinding wheel (17).
3. The needle diameter limiting device for suture needle production according to claim 1, characterized in that: A fixing plate three (18) is fixedly installed above the workbench (1), a cylinder (19) is fixedly installed on the side of the fixing plate three (18) away from the rotating shaft (4), and a connecting shaft (20) is fixedly installed on the output end of the cylinder (19).
4. The needle diameter limiting device for suture needle production according to claim 1, characterized in that: A screw rod (21) is inserted into the interior of the cavity (5), and a nut (22) is engaged on the surface of the screw rod (21).
5. The needle diameter limiting device for suture needle production according to claim 2, characterized in that: There are two brackets (13), and both brackets (13) are located above the second fixing plate (12). There are four limiting rods (16), and the four limiting rods (16) are respectively located above the two brackets (13).
6. The needle diameter limiting device for suture needle production according to claim 2, characterized in that: There are two connecting plates (11), and both connecting plates (11) are located on the left and right sides of the rotating shaft (4).