Full-automatic device for manufacturing handle and sharpening of flat-handle acupuncture needle

Abstract

The present application relates to acupuncture needle production technology field, especially to a kind of flat handle acupuncture needle full-automatic handle grinding device.The grinding unit is provided with material resisting unit on one side, the material resisting unit includes uniform speed rotating material conveying disc, and the material conveying disc is provided with material pushing mechanism away from the grinding unit side;Two groups of pressing plates are symmetrically arranged on the two sides of the material pushing mechanism;The grinding unit includes two groups of grinding material boxes, the grinding material box is rotatably connected with grinding mechanism, and the grinding mechanism includes grinding head, V-shaped ring groove is formed in the center of the grinding head, and the height of the V-shaped ring groove is same with the height of corresponding pressing plate and parallel.The present application realizes the batch automatic overturning and all-around batch grinding of acupuncture needle without manual operation.In the case of ensuring the grinding quality, the automation effect of the device is also improved, the labor intensity is reduced, and the smoothness of grinding work is ensured.

Description

Technical Field

[0001] This invention belongs to the field of acupuncture needle manufacturing technology, and specifically relates to a fully automatic handle-making and tip-grinding device for flat-handled acupuncture needles. Background Technology

[0002] During the production process, acupuncture needles need to be polished. Because the needles are small and thin, and usually produced in large quantities, automated arrangement and batch sharpening are required to ensure work efficiency.

[0003] A search revealed a patent document titled "Needle Grinding Equipment" with publication number CN218904757U and publication date of April 25, 2023. The document describes a machine body with a turntable mounted on top. The top of the machine body also houses a fine grinding mechanism and a polishing mechanism, which surround the turntable. The fine grinding mechanism includes an acupuncture needle detection tube with a grinding block inside. Cylindrical sleeves are evenly distributed on the outer wall of the acupuncture needle detection tube. One end of the cylindrical sleeve is welded to a supply branch pipe, and the other end of the supply branch pipe is welded to a supply pipe. One end of the supply pipe communicates with a dispensing shell, and a pump is installed on the supply pipe. In the above embodiment, when the acupuncture needle enters the flexible rubber tube, if there are surface defects on the acupuncture needle, the viscous friction agent inside the friction agent storage chamber is drawn into the tube through the flow channel. This facilitates the judgment of the uniformity of the acupuncture needle and the application of more viscous friction agent to its surface for polishing the surrounding surface. The polishing is driven by the external translation and rotation mechanisms, so that the pits and depressions can be eliminated.

[0004] However, the above embodiments still have the following drawbacks:

[0005] In the above embodiment, during the sharpening process, acupuncture needles need to be fed sequentially into a flexible rubber tube. Since the production volume of acupuncture needles is usually large, this sharpening method wastes a lot of working time and requires manual operation by employees, thereby reducing the degree of automation and the smoothness of the work. Summary of the Invention

[0006] To address the aforementioned problems, this invention provides a fully automatic handle-making and tip-grinding device for flat-handled acupuncture needles, comprising a tip-grinding unit, a material-supporting unit on one side of the tip-grinding unit, the material-supporting unit including a uniformly rotating material conveying disc, and a material-pushing mechanism on the side of the material conveying disc away from the tip-grinding unit; two sets of pressure plates are symmetrically arranged on both sides of the material-pushing mechanism.

[0007] The grinding tip unit includes two sets of abrasive boxes. An abrasive mechanism is rotatably connected inside the abrasive box. The abrasive mechanism includes a grinding head. A V-shaped annular groove is formed at the center of the grinding head. The height of the V-shaped annular groove is the same as and parallel to the height of the corresponding set of pressure plates.

[0008] The conveyor plate rotates at a constant speed, transporting acupuncture needles in batches to a set of pressure plates near the material input end for neat stacking. The needles are then passed through a set of corresponding V-shaped grooves for sharpening. The feeding mechanism then rotates the acupuncture needles, and another set of V-shaped grooves sharpens the needles in different directions, achieving all-round automatic sharpening.

[0009] Furthermore, the grinding tip device also includes a vertical plate, which is located on the side of the material-supporting unit away from the grinding tip unit, and the material-supporting unit is mounted on the vertical plate. The side of the material-supporting unit perpendicular to the grinding tip unit is provided with a feeding unit, and the side of the grinding tip unit away from the feeding unit is provided with a discharging unit.

[0010] Furthermore, the feeding unit includes a feeding box, a first feeding port is provided at the top edge of the feeding box on the side away from the feeding unit, and a feeding box discharge port is provided at the bottom edge of the feeding box on the side close to the feeding unit; the bottom inner wall of the feeding box is provided as a first slope, and the height of the first slope near the first feeding port is higher than that of the other end.

[0011] Furthermore, the top inner wall of the feeding box outlet is provided with a second slope, and the height of the second slope on the side near the feeding box outlet opening is lower than that on the other side.

[0012] Furthermore, two sets of side mounting plates are symmetrically arranged at the top two sides of the first feed inlet, and a middle crossbar is arranged between the two sets of side mounting plates. The middle crossbar is perpendicular to the two sides of the side mounting plates and has two sets of side crossbars. A vibration motor is provided at the top of the middle crossbar, and a steering mechanism is driven to the top output end of the vibration motor. Two sets of shock-absorbing components are symmetrically arranged at the bottom edges of both ends of the steering mechanism, and the bottoms of the two sets of shock-absorbing components are respectively installed on the two sets of side crossbars.

[0013] Furthermore, the material receiving unit also includes a first motor, the base of which is mounted on the upright plate, and a horizontally arranged first rotating rod is driven to the output end of the first motor. The other end of the first rotating rod is connected to the material conveying tray, and several sets of needle slots are distributed in a circular array on the side wall of the material conveying tray.

[0014] Furthermore, the feeding mechanism includes two sets of horizontal rotating rods, each set of which is fitted with a set of gears, and the two sets of gears mesh with each other; a second motor is connected to the input end of one set of horizontal rotating rods.

[0015] Furthermore, each of the two sets of horizontal rotating rods is provided with a set of feeding rollers. The height of the gap between the two sets of feeding rollers is the same as the height of the highest point of the conveying disc. Several sets of feeding protrusions are evenly distributed on the surface of the feeding rollers.

[0016] Furthermore, the unloading unit includes an unloading box located on the side of the conveying tray away from the feeding unit. The unloading box has a discharge trough at the bottom edge of the side wall away from the conveying tray. The side of the unloading box near the conveying tray has an open structure. The two side walls of the unloading box have two sets of fan-shaped unloading troughs. The top of the unloading trough has an open structure and its height is the same as the center line of the conveying tray in the horizontal direction.

[0017] Furthermore, the curvature of the unloading chute is greater than that of the conveying tray; the bottom of the unloading chute is connected to a feeding chute, and the bottom of the feeding chute extends inclinedly towards the discharge chute and is connected to the discharge chute.

[0018] The beneficial effects of this invention are:

[0019] 1. Acupuncture needles are transported in batches at a uniform speed to a corresponding set of pressure plates via a feeding tray. The pressure plates align the needles in each set. The needles then pass sequentially through a set of high-speed rotating grinding heads. The V-shaped annular grooves polish the upper and lower sides of the needles. A feeding mechanism then rotates the needles, and another set of grinding heads polishes the unpolished parts. This process achieves automated batch rotation and all-around batch polishing of acupuncture needles without manual operation. While ensuring polishing quality, it also improves the automation of the device, reduces labor intensity, and ensures smooth grinding operations.

[0020] 2. After the acupuncture needles are ground, they rotate with the conveyor tray to the unloading box, where both ends slide into two sets of unloading grooves. Because the unloading grooves have a fan-shaped structure with a curvature greater than that of the conveyor tray, the needles disengage from their slots as the tray continues to rotate, avoiding deformation caused by brute force. Once completely disengaged, the needles reach the bottom of the unloading grooves and are then transported to the discharge chute by the feed chute. This achieves a continuous, automatic unloading function, eliminating the need for manual operation or stopping the device. While ensuring the needles do not deform, this process also improves the smoothness of unloading and reduces labor intensity.

[0021] 3. After the acupuncture needles enter the through groove through the wide feed inlet, they slide and adhere to the fourth slope. Under the contact of the fourth slope, they gradually align themselves, ensuring that the sharpening degree of each group of acupuncture needles is the same. Moreover, the wide feed inlet also allows for the lateral parallel movement of a batch of acupuncture needles. At the same time, the top stabilizing plate prevents the acupuncture needles from dislodging from the needle body groove during grinding and flipping, thereby improving the stability of the sharpening process and reducing the defect rate of acupuncture needles.

[0022] 4. A batch of acupuncture needles is placed into the orientation box through the second feed inlet. A vibration motor drives the orientation box to vibrate, causing the needles to slide sequentially down the third slope. During this sliding process, vibration is used to adjust the needles to slide laterally, thus achieving orientation. Furthermore, the first, second, and third feed seams separate excessively short, excessively long, and qualified needles into categories. This not only achieves automatic orientation of the batch of acupuncture needles but also allows for the classification and removal of different types of defective needles. This not only improves the convenience of subsequent polishing but also reduces the time spent manually removing defective needles.

[0023] Other features and advantages of the invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention. The objects and other advantages of the invention may be realized and obtained by means of the structures pointed out in the description, claims and drawings. Attached Figure Description

[0024] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0025] Figure 1 A schematic diagram of a grinding device according to an embodiment of the present invention is shown.

[0026] Figure 2 A schematic diagram of the structure of a feeding unit according to an embodiment of the present invention is shown.

[0027] Figure 3 A cross-sectional schematic diagram of a feed box according to an embodiment of the present invention is shown.

[0028] Figure 4 A bottom view schematic diagram of the steering mechanism according to an embodiment of the present invention is shown.

[0029] Figure 5 A cross-sectional schematic diagram of the orientation box according to an embodiment of the present invention is shown.

[0030] Figure 6 A schematic diagram of the material receiving unit according to an embodiment of the present invention is shown.

[0031] Figure 7 A schematic diagram of the needle slot according to an embodiment of the present invention is shown.

[0032] Figure 8 A cross-sectional schematic diagram of a pressure plate according to an embodiment of the present invention is shown.

[0033] Figure 9 An embodiment of the present invention is shown. Figure 6 Enlarged diagram of circle A in the middle.

[0034] Figure 10 A schematic diagram of the structure of the grinding unit according to an embodiment of the present invention is shown.

[0035] Figure 11 A schematic diagram of the abrasive mechanism according to an embodiment of the present invention is shown.

[0036] Figure 12 A schematic diagram of the unloading unit according to an embodiment of the present invention is shown.

[0037] Figure 13 A rear view schematic diagram of the unloading unit according to an embodiment of the present invention is shown.

[0038] In the diagram: 100, upright plate; 200, feeding unit; 210, feeding box; 211, first feed inlet; 212, first ramp; 213, feeding box outlet; 214, second ramp; 220, side mounting plate; 221, center crossbar; 222, side crossbar; 223, shock absorber; 230, steering mechanism; 231, steering box; 232, third ramp; 233, second feed inlet; 234, qualified product discharge seam; 235, first-time product discharge seam; 236, second-time product discharge seam; 240, qualified product guide plate; 241, guide seam; 250, defective product box; 260, clamping plate; 300, material blocking unit; 310, first motor; 311, first... Rotating rod; 320, conveying tray; 321, needle slot; 330, stabilizing shaft; 340, feeding mechanism; 341, second motor; 342, gear; 343, feeding roller; 344, feeding protrusion; 350, pressure plate; 351, wide feed opening; 352, fourth ramp; 360, stabilizing plate; 400, grinding tip unit; 401, electric slide table; 402, sliding rod; 410, crescent plate; 420, abrasive box; 430, third motor; 440, abrasive mechanism; 441, grinding head; 442, second rotating rod; 443, V-shaped ring groove; 500, unloading unit; 510, unloading box; 520, unloading chute; 530, feeding chute; 540, discharge chute. Detailed Implementation

[0039] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0040] This invention provides an automated device for making and sharpening the handle of flat-handled acupuncture needles, exemplarily, such as... Figure 1 As shown, the device includes a vertical plate 100, on which a feeding unit 200 is mounted. The feeding unit 200 is used to adjust the orientation of a batch of acupuncture needles, improving the convenience of subsequent sharpening work.

[0041] A feeding unit 300 is installed on the output end of the feeding unit 200. The output end of the feeding unit 300 is mounted on the vertical plate 100 and located on the side of the feeding unit 200 perpendicular to the vertical plate 100. The feeding unit 300 is used to transport acupuncture needles in batches at a uniform speed and to stack the acupuncture needles neatly.

[0042] The material-feeding unit 300 has a sharpening unit 400 on the side away from the upright plate 100. The sharpening unit 400 is used to sharpen the acupuncture needle.

[0043] The feeding unit 300 is provided with a discharge unit 500 on the side away from the feeding unit 200. The discharge unit 500 is used to remove the acupuncture needles that have been sharpened on the feeding unit 300.

[0044] For example, such as Figure 2 , Figure 3 and Figure 4 As shown, the feeding unit 200 includes a feeding box 210. The feeding box 210 has a first inlet 211 at its top edge on the side away from the receiving unit 300, and a feeding box outlet 213 at its bottom edge on the side near the receiving unit 300. The bottom inner wall of the feeding box 210 is provided with a first slope 212, with the height of the end of the first slope 212 near the first inlet 211 being higher than the other end. The top inner wall of the feeding box outlet 213 is provided with a second slope 214, with the height of the side of the second slope 214 near the opening of the feeding box outlet 213 being lower than the other side.

[0045] For example, two sets of side mounting plates 220 are symmetrically arranged at the top two sides of the first feed inlet 211, and a central crossbar 221 is provided between the two sets of side mounting plates 220. Two sets of side crossbars 222 are provided perpendicular to both sides of the central crossbar 221. A vibration motor is provided at the top of the central crossbar 221, and a steering mechanism 230 is drivenly connected to the top output end of the vibration motor. Two sets of shock-absorbing components 223 are symmetrically arranged at the bottom edges of both ends of the main body of the steering mechanism 230, and the bottoms of the two sets of shock-absorbing components 223 are respectively mounted on the two sets of side crossbars 222.

[0046] Specifically, a material clamping plate 260 is provided above the material outlet 213 of the feeding box.

[0047] For example, such as Figure 4 and Figure 5 As shown, the steering mechanism 230 includes a steering box 231. A second feed inlet 233 is provided at the top edge of one end of the steering box 231. The inner bottom wall of the steering box 231 is formed as a third slope 232, with the height of the end of the third slope 232 near the second feed inlet 233 being higher than the other end. A qualified product discharge slot 234 is provided on the inner bottom wall of the third slope 232. A first qualified product discharge slot 235 is provided on the side of the qualified product discharge slot 234 near the second feed inlet 233, and a second qualified product discharge slot 236 is provided on the side of the qualified product discharge slot 234 away from the second feed inlet 233. The width of the qualified product discharge slot 234 is greater than the width of the first qualified product discharge slot 235 and less than the width of the second qualified product discharge slot 236.

[0048] For example, a qualified product guide plate 240 is provided at the bottom of the qualified product unloading slot 234. A guide slot 241 is opened on the qualified product guide plate 240 along the vertical direction. The bottom of the qualified product guide plate 240 extends into the cavity of the feeding box 210 through the first feed port 211. The bottoms of the first unloading slot 235 and the second unloading slot 236 are both connected to a set of defective product boxes 250.

[0049] Preferably, the adjusting mechanism 230 also includes, but is not limited to, the third, fourth, and fifth defective product unloading seams, each with a different width. By arranging the qualified product unloading seam 234, the first product unloading seam 235, the second product unloading seam 236, the third product unloading seam, the fourth product unloading seam, and the fifth product unloading seam in ascending order of width along the third slope 232 from high to low, and placing the qualified product unloading seam 234 with a moderate width in the middle position, defective and qualified products of different lengths can fall into different seams, which facilitates subsequent classification and rework.

[0050] First, a batch of acupuncture needles is placed into the adjusting box 231 through the second feed port 233. Then, the vibration motor is turned on, causing the adjusting box 231 to vibrate. This allows the batch of acupuncture needles to slide down the third slope 232 sequentially, adjusting their lateral sliding direction using vibration. When the acupuncture needles pass through the first unloading slit 235, those that are too short will fall into the corresponding set of defective needle boxes 250 below. The other acupuncture needles will continue to slide laterally. When they pass through the qualified needle unloading slit 234, qualified needles of appropriate length will fall into the guide slit 241 below and then into the bottom feed box 210. Defective needles that are too long will continue to slide and enter the corresponding set of defective needle boxes at the bottom through the second unloading slit 236. This not only achieves the orientation of the acupuncture needles but also classifies excessively short and long needles, facilitating later repair.

[0051] Once qualified acupuncture needles enter the feed box 210, they slide laterally down the first ramp 212 towards the feed box outlet 213, and are then conveyed out sequentially by the feeding unit 300. Furthermore, the second ramp 214 ensures that a batch of acupuncture needles does not all rush into the feed box outlet 213 at the same time, but rather passes through the outlet 213 in sequence.

[0052] A batch of acupuncture needles is placed into the orientation box 231 through the second feed port 233. A vibration motor drives the orientation box 231 to vibrate, causing the needles to slide downwards along the third slope 232 sequentially. During this sliding process, vibration is used to adjust the needles to slide laterally, thus achieving orientation. Furthermore, the first unloading slit 235, the qualified unloading slit 234, and the second unloading slit 236 are used to classify and place excessively short, excessively long, and qualified needles. This not only achieves automatic orientation of the batch of acupuncture needles but also allows for the classification and removal of different defective needles, improving the convenience of subsequent polishing and reducing the time spent manually removing defective needles.

[0053] At the same time, by using multiple sets of defective product cutting seams with different widths, defective products of different lengths can be further classified, thereby improving the convenience of subsequent defective product repair.

[0054] For example, such as Figure 6 , Figure 7 and Figure 8 As shown, the material receiving unit 300 includes a first motor 310. The base of the first motor 310 is mounted on the upright plate 100, and a horizontally arranged first rotating rod 311 is driven to the output end of the first motor 310. The other end of the first rotating rod 311 is provided with a material conveying tray 320. Several sets of needle slots 321 are distributed in a circular array on the side wall of the material conveying tray 320, and the side wall of the material conveying tray 320 is slidably attached to the bottom of the material receiving plate 260. A stabilizing shaft 330 is rotatably connected to the side of the material conveying tray 320 away from the first rotating rod 311. The bottom of the stabilizing shaft 330 is fixedly connected to the upright plate 100 by a connecting rod.

[0055] For example, the material conveying tray 320 is provided with a material feeding mechanism 340 on the side near the upright plate 100, and the height of the material feeding mechanism 340 is the same as the height of the highest point of the material conveying tray 320. Two sets of pressure plates 350 are symmetrically arranged on both sides of the material feeding mechanism 340. A through groove with both ends open is provided at the center of the pressure plate 350. A wide feed opening 351 is provided at one end of the through groove near the feeding unit 200. A fourth ramp 352 is provided at the wide feed opening 351, and the other end of the fourth ramp 352 extends obliquely into the through groove. A fan-shaped stabilizing plate 360 ​​is slidably attached to the top of the material conveying tray 320.

[0056] For example, such as Figure 9 As shown, the material feeding mechanism 340 includes two sets of horizontal rotating rods, each set of which is fitted with a set of gears 342, and the two sets of gears 342 mesh with each other. A second motor 341 is connected to the input end of one set of horizontal rotating rods. Each set of horizontal rotating rods has a set of feeding rollers 343 at its output end. The height of the gap between the two sets of feeding rollers 343 is the same as the height of the highest point of the material conveying disc 320. Several sets of feeding protrusions 344 are evenly distributed on the surface of the feeding rollers 343.

[0057] For example, such as Figure 10 As shown, the grinding unit 400 includes an electric slide table 401, on which a slide rod 402 is slidably connected. The top of the slide rod 402 is provided with a crescent-shaped plate 410 with a fan-shaped structure. Two sets of abrasive boxes 420 are installed on the side wall of the crescent plate 410 near the conveyor plate 320. The two sets of abrasive boxes 420 are parallel to two sets of pressure plates 350, and the side walls of the abrasive boxes 420 near the conveyor plate 320 and perpendicular to the conveyor plate 320 are open structures. A third motor 430 is provided on the top of the abrasive box 420, and an abrasive mechanism 440 is provided inside the abrasive box 420. The input end of the abrasive mechanism 440 is connected to the third motor 430 for transmission.

[0058] For example, such as Figure 11 As shown, the abrasive mechanism 440 includes a grinding head 441, a V-shaped annular groove 443 is provided at the center of the grinding head 441, the height of the V-shaped annular groove 443 is the same as the height of a corresponding set of pressure plates 350, a second rotating rod 442 is connected to the grinding head 441, and the second rotating rod 442 is connected to the third motor 430 for transmission.

[0059] By turning on the first motor 310, the conveying tray 320 is driven to rotate from the feeding unit 200 side to the unloading unit 500 side. When one set of needle slots 321 passes the feeding box outlet 213, the foremost set of acupuncture needles slides out of the feeding box outlet 213 and falls into the needle slot 321. As the conveying tray 320 continues to rotate, it arrives at the clamping plate 260. Through the sliding contact between the clamping plate 260 and the side wall of the conveying tray 320, the acupuncture needles are moved and completely clamped into the needle slot 321. Then, it comes to a set of pressure plates 350 near the feeding unit 200, and then along the fourth slope 352 in the through groove, so that each set of acupuncture needles can be arranged flat. Then, as the conveying plate 320 continues to rotate, each set of acupuncture needles is passed through the grinding head 441 of the corresponding set of abrasive mechanism 440 in turn. By utilizing the sliding contact between the acupuncture needles and the upper and lower side walls of the rotating V-shaped annular groove 443, the upper and lower sides of the acupuncture needles are sharpened.

[0060] After the abrasive mechanism 440 finishes grinding, the conveying disc 320 continues to transport the acupuncture needles and removes them from the pressure plate 350. At the same time, the needles arrive between the two sets of feeding rollers 343. Since the two sets of feeding rollers 343 are connected by two sets of gears 342, they will rotate in opposite directions. When the acupuncture needle passes through the gap between the two sets of feeding rollers 343, it will oscillate and rotate, causing the un-grinded sides to rotate up and down and arrive at a pressure plate 350 away from the feeding unit 200. The corresponding grinding head 441 of the pressure plate 350 then grinds the un-grinded parts of the acupuncture needle, thereby realizing the automatic flipping and batch grinding of the acupuncture needles.

[0061] Acupuncture needles are transported in batches at a uniform speed via a conveyor tray 320 to a corresponding set of pressure plates 350. The pressure plates 350 arrange the needles evenly. The needles then pass sequentially through a set of high-speed rotating grinding heads 441. The inner wall of the V-shaped groove 443 grinds both sides of the needles. A feeding mechanism 340 then rotates the needles, and another set of grinding heads grinds the un-ground parts. This process achieves automatic batch rotation and all-around batch grinding of acupuncture needles without manual operation. While ensuring grinding quality, it also improves the automation of the device, reduces labor intensity, and ensures smooth grinding operations.

[0062] After the acupuncture needles enter the through groove through the feed opening 351, they slide and adhere to the fourth slope 352. Under the resistance of the fourth slope 352, they gradually align themselves, ensuring that the sharpening degree of each group of acupuncture needles is the same. Moreover, the feed opening 351 also allows a batch of acupuncture needles to move laterally in parallel. At the same time, the top stabilizing plate 360 ​​prevents the acupuncture needles from disengaging from the needle body slot 321 during grinding and flipping, thereby improving the stability of the sharpening process and reducing the defect rate of acupuncture needles.

[0063] For example, such as Figure 12 and Figure 13 As shown, the unloading unit 500 includes an unloading box 510, which is located on the side of the conveying tray 320 away from the feeding unit 200. A discharge trough 540 is provided at the bottom edge of the side wall of the unloading box 510 away from the conveying tray 320. The side of the unloading box 510 closest to the conveying tray 320 has an open structure. Two sets of fan-shaped unloading troughs 520 are symmetrically arranged on both side walls of the unloading box 510. The top of the unloading trough 520 has an open structure, and its height is the same as the horizontal centerline of the conveying tray 320. The curvature of the unloading trough 520 is greater than that of the conveying tray 320. The bottom of the unloading trough 520 is connected to a feeding trough 530, and the bottom of the feeding trough 530 extends inclinedly towards the discharge trough 540 and is connected to the discharge trough 540.

[0064] After the acupuncture needles are ground, they rotate from the conveyor tray 320 to the unloading box 510, where both ends slide into the two sets of unloading grooves 520. Since the unloading grooves 520 have a fan-shaped structure and a curvature greater than that of the conveyor tray 320, the acupuncture needles will disengage from the needle body slots 321 as the conveyor tray 320 continues to rotate, avoiding the problem of deformation caused by brute force. Once the acupuncture needles are completely disengaged from their slots, they reach the bottom of the unloading grooves 520 and are then transported by the feeding chute 530 to the discharge chute 540, thus achieving a continuous, automatic unloading function. This eliminates the need for manual operation and stopping the device, ensuring the acupuncture needles do not deform while also improving the smoothness of the unloading process and reducing labor intensity.

[0065] The above embodiments also have the following beneficial effects:

[0066] 1. Acupuncture needles are transported in batches at a uniform speed via a conveyor tray 320 to a corresponding set of pressure plates 350. The pressure plates 350 arrange the acupuncture needles evenly. Then, the acupuncture needles pass sequentially through a set of high-speed rotating grinding heads 441. The inner wall of the V-shaped annular groove 443 grinds the upper and lower sides of the acupuncture needles. Then, a feeding mechanism 340 rotates the acupuncture needles, and another set of grinding heads grinds the un-grinded parts of the acupuncture needles. This achieves automatic batch flipping and all-round batch grinding of acupuncture needles without manual operation. While ensuring grinding quality, it also improves the automation effect of the device, reduces labor intensity, and ensures the smoothness of the grinding process.

[0067] 2. After the acupuncture needles are ground, they rotate from the conveyor tray 320 to the unloading box 510, where both ends slide into the two sets of unloading grooves 520. Since the unloading grooves 520 have a fan-shaped structure and a curvature greater than that of the conveyor tray 320, the acupuncture needles will disengage from the needle body slots 321 as the conveyor tray 320 continues to rotate, avoiding the problem of easy deformation of the acupuncture needles due to brute force. Once the acupuncture needles are completely disengaged from the needle body slots, they reach the bottom of the unloading grooves 520 and are transported to the discharge grooves 540 by the feeding groove 530. This achieves a continuous, automatic unloading function, eliminating the need for manual operation or stopping the device. While ensuring the acupuncture needles do not deform, it also improves the smoothness of the unloading process and reduces labor intensity.

[0068] 3. After the acupuncture needles enter the through groove through the feed opening 351, they slide and adhere to the fourth slope 352. Under the contact of the fourth slope 352, they gradually align themselves, ensuring that the sharpening degree of each group of acupuncture needles is the same. Moreover, the feed opening 351 also allows the batch of acupuncture needles to move laterally in parallel. At the same time, the top stabilizing plate 360 ​​ensures that the acupuncture needles will not detach from the needle body groove 321 during grinding and flipping, thereby improving the stability of the sharpening process and reducing the defect rate of acupuncture needles.

[0069] 4. A batch of acupuncture needles is placed into the orientation box 231 through the second feed port 233. The orientation box 231 is vibrated by a vibration motor, causing the batch of acupuncture needles to slide down the third slope 232 sequentially. During the sliding process, the vibration is used to adjust the needles to slide laterally, thus achieving the orientation adjustment. Furthermore, the first unloading slit 235, the qualified unloading slit 234, and the second unloading slit 236 are used to classify and place defective products that are too short or too long, as well as qualified products. This not only achieves automatic orientation adjustment of the batch of acupuncture needles, but also allows for the classification and removal of different defective products, improving the convenience of subsequent polishing and reducing the time spent on manual removal of defective products.

[0070] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A fully automatic handle-making and tip-grinding device for flat-handled acupuncture needles, comprising a tip-grinding unit (400), wherein a material-supporting unit (300) is provided on one side of the tip-grinding unit (400), characterized in that: The feeding unit (300) includes a uniformly rotating feeding disc (320), and a feeding mechanism (340) is provided on the side of the feeding disc (320) away from the grinding tip unit (400); two sets of pressure plates (350) are symmetrically arranged on both sides of the feeding mechanism (340). The grinding tip unit (400) includes two sets of abrasive boxes (420). An abrasive mechanism (440) is rotatably connected inside the abrasive box (420). The abrasive mechanism (440) includes a grinding head (441). A V-shaped annular groove (443) is provided at the center of the grinding head (441). The height of the V-shaped annular groove (443) is the same as and parallel to the height of the corresponding set of pressure plates (350). The conveying tray (320) rotates at a constant speed to transport acupuncture needles in batches to a set of pressing plates (350) near the material input end, stacking them neatly and passing them through a corresponding set of V-shaped ring grooves (443) for sharpening. Then, the feeding mechanism (340) rotates the acupuncture needles, and another set of V-shaped ring grooves (443) sharpens the acupuncture needles in different directions, realizing all-round automatic sharpening. The grinding tip device also includes a vertical plate (100), which is located on the side of the material-supporting unit (300) away from the grinding tip unit (400). The material-supporting unit (300) is mounted on the vertical plate (100). A feeding unit (200) is provided on the side of the material-supporting unit (300) perpendicular to the grinding tip unit (400), and a discharging unit (500) is provided on the side of the grinding tip unit (400) away from the feeding unit (200). The material receiving unit (300) also includes a first motor (310), the base of the first motor (310) is mounted on the upright plate (100), and a horizontally arranged first rotating rod (311) is driven connected to the output end of the first motor (310). The other end of the first rotating rod (311) is connected to the material conveying tray (320), and several sets of needle slots (321) are distributed in a ring array on the side wall of the material conveying tray (320). The feeding mechanism (340) includes two sets of horizontal rotating rods, each set of horizontal rotating rods is fitted with a set of gears (342), and the two sets of gears (342) mesh with each other; a second motor (341) is connected to the input end of one set of horizontal rotating rods. Each of the two sets of horizontal rotating rods is provided with a set of feeding rollers (343). The height of the gap between the two sets of feeding rollers (343) is the same as the height of the highest point of the material conveying tray (320). Several sets of feeding protrusions (344) are evenly distributed on the surface of the feeding rollers (343).

2. The fully automatic handle-making and tip-grinding device for flat-handled acupuncture needles according to claim 1, characterized in that: The feeding unit (200) includes a feeding box (210), a first feeding port (211) is provided at the top edge of the feeding box (210) away from the feeding unit (300), and a feeding box discharge port (213) is provided at the bottom edge of the feeding box (210) near the feeding unit (300); the bottom inner wall of the feeding box (210) is provided as a first slope (212), and the height of the first slope (212) near the first feeding port (211) is higher than that of the other end.

3. The fully automatic handle-making and tip-grinding device for flat-handled acupuncture needles according to claim 2, characterized in that: The inner top wall of the feeding box outlet (213) is provided with a second slope (214), and the height of the second slope (214) on the side near the opening of the feeding box outlet (213) is lower than that on the other side.

4. The fully automatic handle-making and tip-grinding device for flat-handled acupuncture needles according to claim 3, characterized in that: Two sets of side mounting plates (220) are symmetrically arranged at the top two sides of the first feed inlet (211). A middle crossbar (221) is arranged between the two sets of side mounting plates (220). Two sets of side crossbars (222) are arranged on both sides of the middle crossbar (221) perpendicular to the side mounting plates (220). A vibration motor is provided at the top of the middle crossbar (221). A steering mechanism (230) is driven to the top output end of the vibration motor. Two sets of shock-absorbing components (223) are symmetrically arranged at the bottom edges of both ends of the steering mechanism (230). The bottom of the two sets of shock-absorbing components (223) are respectively installed on the two sets of side crossbars (222).

5. The fully automatic handle-making and tip-grinding device for flat-handled acupuncture needles according to claim 2, characterized in that: The unloading unit (500) includes an unloading box (510), which is located on the side of the conveying tray (320) away from the feeding unit (200). The unloading box (510) is provided with a discharge trough (540) at the bottom edge of the side wall away from the conveying tray (320). The side of the unloading box (510) near the conveying tray (320) is an open structure. The two side walls of the unloading box (510) are symmetrically provided with two sets of fan-shaped unloading troughs (520). The top of the unloading trough (520) is an open structure, and its height is the same as the center line of the conveying tray (320) in the horizontal direction.

6. The fully automatic handle-making and tip-grinding device for flat-handled acupuncture needles according to claim 5, characterized in that: The curvature of the unloading chute (520) is greater than that of the conveying tray (320); the bottom of the unloading chute (520) is connected to the feeding chute (530), the bottom of the feeding chute (530) extends inclined towards the discharge chute (540) and is connected to the discharge chute (540).

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