Grinding device for puncture needle tube
By combining cylinders and drive components, efficient grinding and debris removal of multiple puncture needles are achieved, solving the problem that existing devices cannot grind multiple needles at the same time, thus improving production efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-14
- Publication Date
- 2026-03-24
AI Technical Summary
Existing grinding equipment cannot grind multiple puncture needles simultaneously, resulting in low production efficiency.
A cylinder pushes a pressure plate downward to press down multiple puncture needles. The drive component drives the drive motor and the high-speed rotating grinding block to move back and forth to grind the ends of the puncture needles. The grinding debris is removed by the chip blowing component.
This technology enables efficient grinding of multiple puncture needles, preventing debris from affecting observation and improving production efficiency.
Smart Images

Figure CN224027224U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to puncture needle production technical field, concretely relates to a kind of grinding device for puncture needle tube. BACKGROUND
[0002] Puncture needle is the medical instrument of the tissue sampling and injection treatment of multiple organs such as kidney, liver, lung, breast, thyroid, prostate, pancreas, testis, uterus, ovary, body surface in minimally invasive surgery, and puncture needle tube is processed using thinner tube material.
[0003] At present, in the production process of puncture needle tube, grinding device is used to polish its needle tip, but the existing grinding device for puncture needle tube cannot polish multiple puncture needle tubes simultaneously, therefore a grinding device for puncture needle tube is proposed, the cylinder pushes the pressing plate to move downward to press multiple puncture needle tubes, the driving assembly drives the driving motor and the high-speed rotating polishing block to reciprocate, and the end of the puncture needle tube is polished. UTILITY MODEL CONTENT
[0004] In view of the problems in the prior art, the utility model provides a grinding device for puncture needle tube, the cylinder pushes the pressing plate to move downward to press multiple puncture needle tubes, the driving assembly drives the driving motor and the high-speed rotating polishing block to reciprocate, and the end of the puncture needle tube is polished.
[0005] The utility model solves the technical problems by adopting the technical scheme of a grinding device for puncture needle tube, which comprises a bottom plate, a gantry is fixed on the top of the bottom plate through bolts, a cylinder is installed on the top of the gantry through a mounting bracket, a driving assembly is arranged on one side of the gantry, the driving assembly comprises a structure frame fixed on one side of the gantry through bolts, a speed reducer is installed on one end of the structure frame through a mounting bracket, a reciprocating screw rod is rotatably connected in the structure frame through a bearing, and an internally threaded sliding block is sleeved on the outside of the reciprocating screw rod.
[0006] The internally threaded sliding block is fixed with a connecting column at the bottom through a flange, the connecting column is installed with a driving motor at the bottom end through a mounting bracket, and the output shaft of the driving motor is fixed with a polishing block through a key.
[0007] By adopting the above technical scheme, the speed reducer drives the reciprocating screw rod to rotate, the reciprocating screw rod drives the driving motor and the polishing block at one end thereof to reciprocate, the driving motor works to drive the polishing block to rotate at high speed, and multiple puncture needle tubes can be polished.
[0008] Specific, the bottom plate is located between the gantry top glued rubber plate, the rubber plate top equidistantly open has an arc slot, the cylinder is located inside the gantry output shaft through flange fixed with the pressure plate, the pressure plate top both ends are connected with the vertical rod through the thread groove, the vertical rod passes through the gantry.
[0009] Specific, the structure frame is located inside the reciprocating screw rod top through bolt fixed with auxiliary rod, the auxiliary rod passes through the reciprocating screw rod.
[0010] Specific, the deceleration motor side output shaft is fixedly connected with the reciprocating screw rod one end through the connecting sleeve.
[0011] Specific, the connecting column outside fixed cover is equipped with the connecting plate, the connecting plate is away from the connecting column one end is equipped with the scrap blowing assembly.
[0012] Specific, the scrap blowing assembly includes the ventilation box fixedly connected with the connecting plate one end through bolt, the ventilation box is internally installed with the fan through the mounting bracket, the ventilation box is located inside the fan both sides is fixedly connected with the dust screen through bolt.
[0013] The beneficial effects of the utility model are as follows:
[0014] (1) the grinding device for puncture needle tube of utility model, drive motor work drive polishing block high speed rotation, deceleration motor work drive reciprocating screw rod rotation and push the drive motor reciprocating movement of inner thread sliding block and its bottom, thereby drive high speed rotation polishing block reciprocating movement, the end of the multiple puncture needle tube is polished.
[0015] (2) the grinding device for puncture needle tube of utility model, multiple puncture needle tube is placed in the arc slot on the rubber plate top in turn, open cylinder push plate down, the puncture needle tube in the arc slot is pressed, open fan and blow out the external gas to the ventilation box, can blow away the debris generated when the puncture needle tube is polished, avoid the debris to affect personnel observation puncture needle tube end. BRIEF DESCRIPTION OF DRAWINGS
[0016] The utility model is further explained in connection with the drawings and examples.
[0017] Figure 1 It is the whole structure schematic view of utility model;
[0018] Figure 2 It is the bottom plate structure schematic view of utility model;
[0019] Figure 3 It is the drive assembly structure schematic view of utility model;
[0020] Figure 4 It is the drive motor and polishing block structure schematic view of utility model;
[0021] Figure 5 This is a schematic diagram of the chip blowing assembly structure of this utility model;
[0022] In the diagram: 1. Base plate; 2. Gantry frame; 3. Cylinder; 4. Drive assembly; 401. Structural frame; 402. Gear motor; 403. Reciprocating lead screw; 404. Internal threaded slider; 405. Auxiliary rod; 5. Drive motor; 6. Grinding block; 7. Connecting column; 8. Connecting plate; 9. Chip blowing assembly; 901. Ventilation box; 902. Fan; 903. Dustproof net; 10. Rubber plate; 11. Arc groove; 12. Pressure plate; 13. Vertical pole. Detailed Implementation
[0023] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.
[0024] The cylinder pushes the pressure plate downwards, pressing down multiple puncture needles. The drive assembly drives the drive motor and the high-speed rotating grinding block to reciprocate, grinding the ends of the puncture needles. Figures 1-5 As shown, the present invention discloses a grinding device for puncture needle tubes, comprising a base plate 1, a gantry frame 2 fixed to the top of the base plate 1 by bolts, a cylinder 3 mounted on the top of the gantry frame 2 by a mounting bracket, a drive assembly 4 provided on one side of the gantry frame 2, the drive assembly 4 including a structural frame 401 fixed to one side of the gantry frame 2 by bolts, a reduction motor 402 mounted on one end of the structural frame 401 by a mounting bracket, a reciprocating lead screw 403 rotatably connected inside the structural frame 401 by bearings, and an internally threaded slider 404 sleeved on the outer side of the reciprocating lead screw 403;
[0025] The bottom of the internal threaded slider 404 is fixed with a connecting column 7 by a flange. The bottom end of the connecting column 7 is mounted with a drive motor 5 by a mounting bracket. The output shaft on one side of the drive motor 5 is fixed with a grinding block 6 by a flat key.
[0026] In use, the geared motor 402 drives the reciprocating screw 403 to rotate, and the reciprocating screw 403 drives the drive motor 5 and the grinding block 6 at one end to move back and forth. The drive motor 5 drives the grinding block 6 to rotate at high speed, which can grind multiple puncture needles.
[0027] For example, such as Figure 2 As shown, the present invention also includes a rubber plate 10 glued to the top of the base plate 1 between the gantry frames 2, and an arc-shaped groove 11 is provided at equal intervals on the top of the rubber plate 10. The output shaft of the cylinder 3 located inside the gantry frame 2 is fixed to a pressure plate 12 by a flange. The top two ends of the pressure plate 12 are connected to a vertical rod 13 by a threaded groove, and the vertical rod 13 passes through the gantry frame 2.
[0028] In use, the cylinder 3 works to push the pressing plate 12 to move downwards, and press the puncture needle tube placed in the arc-shaped groove 11.
[0029] As shown in the example, Figure 3 The utility model further includes that the inside of the structure frame 401 at the top of the reciprocating wire rod 403 is fixed with an auxiliary rod 405 through bolts, and the auxiliary rod 405 penetrates the reciprocating wire rod 403.
[0030] In use, the setting of the auxiliary rod 405 can prevent the internal thread sliding block 404 from rotating with the reciprocating wire rod 403 while not affecting the reciprocating movement of the internal thread sliding block 404.
[0031] As shown in the example, Figure 3 The utility model further includes that one side output shaft of the speed reducer motor 402 is fixedly connected with one end of the reciprocating wire rod 403 through a connecting sleeve.
[0032] In use, the speed reducer motor 402 is used for driving the reciprocating wire rod 403 to rotate.
[0033] As shown in the example, Figure 4 The utility model further includes that a connecting plate 8 is fixedly arranged on the outside of the connecting column 7, and a blowing scrap component 9 is arranged at the end, away from the connecting column 7, of the connecting plate 8.
[0034] In use, the ventilation box 901 is fixed on the connecting column 7 through the connecting plate 8.
[0035] As shown in the example, Figure 5 The utility model further includes that the blowing scrap component 9 includes a ventilation box 901 fixed on one end of the connecting plate 8 through bolts, a fan 902 is installed in the inside of the ventilation box 901 through a mounting frame, and a dustproof net 903 is fixed in the inside of the ventilation box 901 on both sides of the fan 902 through bolts.
[0036] In use, the fan 902 can blow strong air flow, and the dustproof net 903 can prevent dust and the like from entering the ventilation box 901.
[0037] In use, the personnel connect the device with an external power supply through a power line, connect the cylinder 3 with an external gas supply equipment through an air pipe, place a plurality of puncture needle tubes in the arc-shaped grooves 11 on the top of the rubber plate 10 in sequence, move one end of the puncture needle tube to the polishing block 6, open the cylinder 3 to push the pressing plate 12 to move downwards, and press the puncture needle tube placed in the arc-shaped groove 11.
[0038] The driving motor 5 drives the polishing block 6 to rotate at high speed, the speed reduction motor 402 drives the reciprocating screw rod 403 to rotate, the reciprocating screw rod 403 drives the internally threaded sliding block 404 and the driving motor 5 at the bottom of the internally threaded sliding block 404 to reciprocate, thereby driving the high-speed rotating polishing block 6 to reciprocate, and the end portions of the plurality of puncture needle tubes are polished;
[0039] The fan 902 is opened to suck external air into the ventilation box 901 and blow out, so that the debris generated during polishing of the puncture needle tube is blown away, and the debris does not affect the observation of the end portion of the puncture needle tube by personnel.
[0040] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above embodiments, and the above embodiments and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.
Claims
1. A grinding device for a puncture needle tube, characterized by, Includes a base plate (1), a gantry frame (2) is fixed to the top of the base plate (1) by bolts, a cylinder (3) is mounted on the top of the gantry frame (2) by a mounting bracket, a drive assembly (4) is provided on one side of the gantry frame (2), the drive assembly (4) includes a structural frame (401) fixed to one side of the gantry frame (2) by bolts, a geared motor (402) is mounted on one end of the structural frame (401) by a mounting bracket, a reciprocating screw (403) is rotatably connected inside the structural frame (401) by a bearing, and an internally threaded slider (404) is sleeved on the outside of the reciprocating screw (403); The bottom of the internal threaded slider (404) is fixed with a connecting column (7) by a flange. The bottom end of the connecting column (7) is equipped with a drive motor (5) by a mounting bracket. The output shaft on one side of the drive motor (5) is fixed with a grinding block (6) by a flat key.
2. A grinding device for a puncture needle tube according to claim 1, wherein The bottom plate (1) is bonded with a rubber plate (10) on the top between the gantry frame (2). The top of the rubber plate (10) is provided with arc-shaped grooves (11) at equal intervals. The output shaft of the cylinder (3) located inside the gantry frame (2) is fixed with a pressure plate (12) through a flange. The top two ends of the pressure plate (12) are connected with uprights (13) through threaded grooves. The uprights (13) penetrate the gantry frame (2).
3. The grinding device for a puncture needle tube according to claim 1, wherein The structural frame (401) is located inside the top of the reciprocating lead screw (403) and an auxiliary rod (405) is fixed by bolts thereto. The auxiliary rod (405) passes through the reciprocating lead screw (403).
4. The grinding device for a puncture needle tube according to claim 1, wherein The output shaft on one side of the geared motor (402) is fixedly connected to one end of the reciprocating lead screw (403) via a connecting sleeve.
5. The grinding device for a puncture needle tube according to claim 1, wherein A connecting plate (8) is fixedly sleeved on the outside of the connecting column (7), and a chip blowing assembly (9) is provided at the end of the connecting plate (8) away from the connecting column (7).
6. A grinding device for piercing a needle tube according to claim 5, wherein The dust blowing assembly (9) includes a ventilation box (901) fixed to one end of the connecting plate (8) by bolts. A fan (902) is installed inside the ventilation box (901) by a mounting bracket. Dustproof nets (903) are fixed inside the ventilation box (901) on both sides of the fan (902) by bolts.