Medical needle sharpening equipment
By designing a medical needle tip grinding device including a workbench and a multi-directional adjustable needle grinding mechanism, the problem of low needle tip grinding efficiency in the prior art is solved, and continuous feed grinding of the needle tip material tape is realized, and production is improved Efficiency and polishing effect.
Patent Information
- Application Number
- CN202421301983.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-07
- Publication Date
- 2025-02-25
- Estimated Expiration
- 2034-06-07
AI Technical Summary
The existing medical needle tip grinding technology is inefficient. It requires cutting the needle tip from the tape and installing it on the fixture for grinding, which has low accuracy and efficiency.
Design a medical needle tip grinding device, including a workbench and a needle grinding mechanism, the needle material tape is continuously fed through the working track, the needle grinding mechanism consists of the first, second and third linear drive devices and motors, and the grinding wheel can be used in multiple Adjust each direction to achieve continuous polishing of the needle.
Continuous feed grinding of needle tip tape is realized, and production efficiency is improved. Multiple needle grinding mechanisms can be finely adjusted to grind the needle from different directions, improving the grinding effect and improving the applicability of the equipment.
Smart Images

Figure CN222520806U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of needle sharpening, in particular to a medical needle sharpening device. Background Art
[0002] Medical needles are very important tools in the medical field. They are widely used in various medical procedures such as injection, blood drawing, puncture, etc. For the processing and manufacturing of needles, it is necessary to process a bevel on the end of the needle to make it sharp. That is, the processed needle includes an insertion part for insertion and injection and a connection part connected to the syringe. After the bevel is processed, the edge of the bevel of the needle needs to be polished to remove the burrs on the edge of the bevel of the needle. The sharpening effect of the needle greatly affects the patient's experience. However, the common polishing method requires cutting the needle tip from the material strip and mounting it on a jig for polishing, which has low accuracy and efficiency. Utility Model Content
[0003] In view of the above-mentioned technical problems, the purpose of the utility model is to provide a medical needle sharpening device to achieve continuous feeding and grinding of needle tip material strips and improve production efficiency.
[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0005] A medical needle sharpening device comprises a workbench, the workbench comprises a table top, a working track for the needle material strip to pass through is arranged on the table top, a pulling mechanism for pulling the needle material strip to move step by step is arranged at one end of the working track, a plurality of pressing mechanisms are arranged at intervals along the working track, the pressing mechanisms are used to fix the needle material strip on the working track; a needle grinding mechanism corresponding to the pressing mechanism is arranged at intervals on one side of the working track, the needle grinding mechanism comprises a first linear drive device, a second linear drive device, a third linear drive device and a motor, the first linear drive device comprises a first guide rail fixedly connected to the table top and a first slider horizontally slidably connected to the first guide rail, the second linear drive device comprises a second body rotatably connected to the first slider and a second moving block slidably connected to the second body, the third linear drive device comprises a third body fixedly connected to the second moving block and a third moving block slidably connected to the third body, the motor is rotatably connected to the third moving block, and the output end of the motor is provided with a grinding wheel close to the needle.
[0006] Preferably, the pressing mechanism includes a cylinder and a pressing block, wherein the pressing block is arranged above the needle material belt, the cylinder body of the cylinder is arranged below the working track, and the push rod of the cylinder passes through the working track and is connected to the pressing block.
[0007] Preferably, a collecting box with an opening below the grinding wheel is provided on one side of the working track, and a pipe passing through the table top and extending to the inside of the workbench is provided at the bottom of the collecting box.
[0008] Preferably, the first guide rail is parallel to the working track, the second movable block moves in a horizontal direction and is perpendicular to the moving direction of the first sliding block, and the third movable block slides in a vertical direction.
[0009] Preferably, the first linear drive device, the second linear drive device and the third linear drive device are all cylinders.
[0010] Preferably, a rotating slide is provided between the first sliding block and the second body, and between the third moving block and the motor respectively.
[0011] Preferably, the needle grinding mechanisms are three, which are used for grinding both sides of the needle tip and for deburring and polishing respectively.
[0012] Due to the application of the above technical solution, the utility model has the following advantages compared with the prior art:
[0013] The utility model medical needle sharpening device comprises a workbench, a work track for the needle material belt to pass through is arranged on the workbench, a pulling mechanism for pulling the needle material belt to move step by step is arranged at one end of the work track, a plurality of pressing mechanisms are arranged at intervals along the work track, a needle grinding mechanism corresponding to the pressing mechanism is arranged at intervals on one side of the work track, the needle grinding mechanism comprises a first linear drive device, a second linear drive device, a third linear drive device and a motor, the first linear drive device comprises a first guide rail fixedly connected to the table and a first slider horizontally slidably connected to the first guide rail, the second linear drive device The present invention relates to a method for grinding the needle tip of the rotary table, wherein the first and second guide wheels are provided to the guide wheels, and the guide wheels are connected to the guide wheels of the rotary table. The method comprises the following steps: first, a first, a second, a second, a third, a second, a third, a fourth, a fifth ... BRIEF DESCRIPTION OF THE DRAWINGS
[0014] The technical solution of the utility model is further described below in conjunction with the accompanying drawings:
[0015] Attached Figure 1 A three-dimensional diagram of the medical needle sharpening device of the utility model;
[0016] Attached Figure 2 A three-dimensional diagram of the medical needle sharpening device of the utility model;
[0017] Attached Figure 3 For attachment Figure 1 A partial enlarged view of point A.
[0018] Among them: 1. workbench; 2. table top; 3. working track; 4. material pulling mechanism; 5. material pressing mechanism; 51. cylinder; 52. pressing block; 6. first linear drive device; 61. first guide rail; 62. first slider; 7. second linear drive device; 71. second body; 72. second moving block; 8. third linear drive device; 81. third body; 82. third moving block; 9. motor; 10. grinding wheel; 11. collecting box; 12. pipeline; 13. rotating slide; 14. needle material belt. DETAILED DESCRIPTION
[0019] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.
[0020] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a component centered. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a component centered. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a component centered. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.
[0021] As attached Figure 1 , Attachment Figure 2 The figure shows a medical needle sharpening device of the utility model, which includes a workbench 1, the workbench 1 includes a table 2, a working track 3 for a needle material belt 14 to pass through is installed on the table 2, a pulling mechanism 4 for pulling the needle material belt 14 to move step by step is installed at one end of the working track 3, and a plurality of pressing mechanisms 5 are installed at intervals along the working track 3, and the pressing mechanism 5 is used to fix the needle material belt 14 on the working track 3. A needle grinding mechanism corresponding to the pressing mechanism 5 is installed at intervals on one side of the working track 3, and the needle grinding mechanism includes a first linear drive device 6, a second linear drive device 7, a third linear drive device 8 and a motor 9, as shown in the attached figure. Figure 3As shown, the first linear drive device 6 includes a first guide rail 61 fixedly connected to the table 2 and a first slider 62 horizontally slidably connected to the first guide rail 61, the second linear drive device 7 includes a second body 71 rotatably connected to the first slider 62 and a second movable block 72 slidably connected to the second body 71, the third linear drive device 8 includes a third body 81 fixedly connected to the second movable block 72 and a third movable block 82 slidably connected to the third body 81, the motor 9 is rotatably connected to the third movable block 82, and the output end of the motor 9 is installed with a grinding wheel 10 close to the needle. In this embodiment, the first guide rail 61 is parallel to the working track 3, the second movable block 72 moves in the horizontal direction and is perpendicular to the moving direction of the first slider 62, and the third movable block 82 slides in the vertical direction, so that the grinding wheel 10 can adjust the position in the front and back, left and right, and up and down directions. A rotating slide 13 is installed between the first slider 62 and the second body 71, the third movable block 82 and the motor 9, respectively, so as to facilitate rotation in the horizontal and vertical directions, so that the adjustment accuracy is higher, and the required needle grinding effect can be freely adjusted according to different products and different angles. In this embodiment, the first linear drive device 6, the second linear drive device 7, and the third linear drive device 8 are all cylinders. In other embodiments, the first linear drive device 6, the second linear drive device 7, and the third linear drive device 8 can also be replaced by motors or other devices that can achieve linear drive.
[0022] The pressing mechanism 5 includes a cylinder 51 and a pressing block 52. The pressing block 52 is installed above the needle material belt 14. The cylinder body of the cylinder 51 is installed below the working track 3. The push rod of the cylinder 51 passes through the working track 3 and is connected to the pressing block 52. The needle material belt 14 is intermittently pressed according to the rhythm of the material pulling mechanism 4, so that the needle grinding mechanism can better grind the needle. In this embodiment, there are three needle grinding mechanisms, which are arranged at intervals along the conveying direction of the needle material belt 14, and are used to grind the right side and left side of the needle tip and deburr and polish the needle part in turn.
[0023] One side of the working track 3 has a collecting box 11 with an opening below the grinding wheel 10. The bottom of the collecting box 11 is provided with a pipe 12 that passes through the table 2 and extends to the inside of the workbench 1, so as to collect and process the debris generated by grinding the needle tip and make the environment tidier.
[0024] The medical needle sharpening device of the utility model uses a needle material belt 14 to continuously feed and sharpen, and does not need to be cut from the material belt in advance and then loaded into a fixture for grinding. The action is continuous and orderly, and the production efficiency is high. Multiple needle grinding mechanisms can be finely adjusted to grind the needle from different directions, and different angles and positions can be adjusted according to different specifications of the needle, thereby improving the grinding effect and enhancing the applicability of the device.
[0025] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.
Claims
1. A medical needle sharpening device, characterized in that: The present invention comprises a working table, wherein the working table comprises a table top, a working track for the needle material belt to pass through is arranged on the table top, a pulling mechanism for pulling the needle material belt to move step by step is arranged at one end of the working track, a plurality of pressing mechanisms are arranged at intervals along the working track, and the pressing mechanism is used to fix the needle material belt on the working track; a needle grinding mechanism corresponding to the pressing mechanism is arranged at intervals on one side of the working track, and the needle grinding mechanism comprises a first linear drive device, a second linear drive device, a third linear drive device and a motor, the first linear drive device comprises a first guide rail fixedly connected to the table top and a first slider horizontally slidably connected to the first guide rail, the second linear drive device comprises a second body rotatably connected to the first slider and a second moving block slidably connected to the second body, the third linear drive device comprises a third body fixedly connected to the second moving block and a third moving block slidably connected to the third body, the motor is rotatably connected to the third moving block, and the output end of the motor is provided with a grinding wheel close to the needle.
2. The medical needle sharpening device according to claim 1, characterized in that: The material pressing mechanism comprises a cylinder and a pressing block, wherein the pressing block is arranged above the needle material belt, the cylinder body of the cylinder is arranged below the working track, and the push rod of the cylinder passes through the working track and is connected to the pressing block.
3. The medical needle sharpening device according to claim 1, characterized in that: A collecting box with an opening below the grinding wheel is arranged on one side of the working track, and a pipe passing through the table top and extending to the inside of the working table is arranged at the bottom of the collecting box.
4. The medical needle sharpening device according to claim 1, characterized in that: The first guide rail is parallel to the working track, the second movable block moves in a horizontal direction and is perpendicular to the moving direction of the first sliding block, and the third movable block slides in a vertical direction.
5. The medical needle sharpening device according to claim 1, characterized in that: The first linear drive device, the second linear drive device and the third linear drive device are all cylinders.
6. The medical needle sharpening device according to claim 1, characterized in that: Rotating slides are respectively arranged between the first sliding block and the second body, the third moving block and the motor.
7. The medical needle sharpening device according to claim 1, characterized in that: The needle grinding mechanism has three parts, which are used for grinding both sides of the needle tip and for deburring and polishing respectively.