Automatic handle stringing, needle tail bending and drawing forming equipment for producing acupuncture needles

Abstract

The invention belongs to the technical field of acupuncture needle production equipment, and discloses automatic handle stringing, needle tail bending and drawing forming equipment for producing acupuncture needles, which comprises a shell, a handle stringing device, a needle tail bending device and a drawing forming device are connected in the shell, and the handle stringing device, the needle tail bending device and the drawing forming device are sequentially connected through a conveying device. The handle stringing device comprises a needle body limiting cover and a needle handle limiting cover which are fixedly connected with the shell, a needle body driving roller and a needle handle driving roller are rotationally connected into the needle body limiting cover and the needle handle limiting cover respectively, a plurality of arc-shaped needle storage grooves are formed in the needle body driving roller, and arc-shaped needle handle grooves in one-to-one correspondence with the arc-shaped needle storage grooves are formed in the needle handle driving roller. The needle handle driving roller is coaxially and fixedly connected with an intermittent rotating gear through a one-way bearing, the intermittent rotating gear is rotationally connected into the shell, and the intermittent rotating gear is meshed with a single-tooth sliding threaded sleeve which is connected into the shell in a left-right sliding mode; the structure is simple and the practicability is high.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of acupuncture needle production equipment, and particularly relates to an automatic handle stringing, needle tail curving and drawing forming equipment for producing acupuncture needles. BACKGROUND

[0002] In the process of acupuncture needle production, firstly, the needle body and the needle handle are processed, and then the pre-processed needle body and the needle handle are subjected to stringing, needle tail curving and drawing forming operations. For small-batch operations, most of the operations are performed manually, and in mass production, acupuncture needles are usually prepared by using stringing equipment, needle tail curving equipment and drawing forming equipment. In the patent application with the application number CN202222516425.0, a handle mounting device for acupuncture needle processing is provided. The handle mounting device comprises a workbench, a driving motor, a telescopic piece and a clamping piece. The telescopic piece is fixedly connected to the workbench, the driving motor is fixedly connected to the workbench, the telescopic end of the telescopic piece is coaxial with the output end of the driving motor, the clamping piece is arranged in a circular array on the output end of the driving motor, and the sliding piece is arranged on the clamping piece. The needle head part of the acupuncture needle is firmly clamped by the cooperation of the clamping piece and the sliding piece in the output end of the driving motor, and then the needle handle of the acupuncture needle is sleeved by the telescopic piece. When the driving motor is started, rotation is formed between the output end of the driving motor and the output end of the sliding piece, thereby the needle handle of the acupuncture needle is subjected to handle winding operation. To some extent, the problem that the existing automatic handle winding machine for processing acupuncture needles cannot guarantee that the acupuncture needle does not displace horizontally during handle winding is improved. Although the problem that the acupuncture needle displaces horizontally during handle mounting of the acupuncture needle is avoided, the following problems exist in the process of mounting the needle handle of the acupuncture needle.

[0003] 1. During the process of mounting the needle handle, most of the operations are performed on a single acupuncture needle, which is low in efficiency. Meanwhile, the positions of the needle body and the needle handle need to be pre-processed, and the needle body is pre-worn in the needle handle.

[0004] 2. During the process of stringing the acupuncture needle, curving the needle tail and drawing forming, most of the operations are performed by using different equipment, which cannot realize integrated processing and forming.

[0005] 3. During the process of conveying the needle body and the needle handle of the acupuncture needle, the problems of slippage, sliding and falling of the needle body or the needle handle and detachment of the conveying device may occur.

[0006] Therefore, the present application provides an automatic handle stringing, needle tail curving and drawing forming equipment for producing acupuncture needles to solve the above problems. SUMMARY

[0007] In view of the above, in order to overcome the defects of the prior art, the present application provides an automatic handle stringing, needle tail curving and drawing forming equipment for producing acupuncture needles, which effectively solves the problems of stringing, needle tail curving and drawing forming of the acupuncture needles by the same equipment, and limits and fixes the acupuncture needles to avoid falling off or shaking during the conveying process.

[0008] The present application comprises a shell, a handle stringing device, a needle tail curving device and a drawing forming device are connected inside the shell, and the handle stringing device, the needle tail curving device and the drawing forming device are connected in sequence through a conveying device;

[0009] The handle stringing device comprises a needle body limiting cover and a needle handle limiting cover fixedly connected with the shell, a needle body driving roller and a needle handle driving roller are rotatably connected inside the needle body limiting cover and the needle handle limiting cover respectively, the needle body driving roller and the needle handle driving roller are coaxially fixedly connected, a plurality of arc-shaped needle storage grooves are formed on the needle body driving roller, arc-shaped needle handle grooves corresponding to the arc-shaped needle storage grooves are formed on the needle handle driving roller, the needle handle driving roller and an intermittent rotation gear rotatably connected inside the shell are coaxially fixedly connected through a one-way bearing, the intermittent rotation gear is engaged with a single-tooth sliding thread sleeve slidably connected to the shell, the single-tooth sliding thread sleeve is threadedly connected with a reciprocating adjusting lead screw rotatably connected inside the shell, and the reciprocating adjusting lead screw is connected with a driving motor fixedly connected inside the shell;

[0010] A handle stringing hole is formed on the needle handle limiting cover, the handle stringing hole corresponds to the arc-shaped needle handle grooves, a handle stringing pressing rod is slidably connected inside the handle stringing hole, a spiral track is formed on the front end of the handle stringing pressing rod, a rotating sleeve is coaxially rotatably connected to the handle stringing pressing rod, a limiting pin matched with the spiral track is connected inside the rotating sleeve, and the rotating sleeve is connected with a driving device outside.

[0011] Preferably, the conveying device comprises two symmetrical rotating rollers, a conveying belt is wound around the rotating rollers, a plurality of equally spaced needle storage tracks are formed on the conveying belt, one of the rotating rollers is connected with a driving device outside, and two groups of the conveying devices are connected through a chain transmission mechanism.

[0012] Preferably, the width of the lower conveying device is smaller than that of the upper conveying device, the curving device comprises a support plate fixedly connected to the front side of the lower conveying device, the upper end surface of the support plate is in abutment with the lower end surface of the needle storage track, a curving plate is arranged on the upper side of the support plate and slidably connected with the shell, the curving plate is connected with an eccentric cam disc rotatably connected inside the shell, and the eccentric cam disc is connected with a driving device outside.

[0013] The support plate is provided with a lifting support plate on the right side, the lifting support plate is provided with a pressing groove matched with the needle storage rail, the lifting support plate is fixedly connected with a wave-shaped plate on the side close to the conveying device, the conveying device is connected with a limiting cover plate on the lower side, the limiting cover plate is provided with a wave-shaped groove matched with the wave-shaped plate, the lifting support plate is fixedly connected with a driven lifting telescopic rod inside the shell, the lower end of the punch plate is fixedly connected with a driving lifting telescopic rod, and the driven lifting telescopic rod and the driving lifting telescopic rod are connected in communication through a hydraulic pipe.

[0014] Preferably, the drawing forming device comprises a rotating bracket arranged on the right side of the lower conveying device, a plurality of supporting grooves are arranged on the rotating bracket in a circumferential distribution, the outer edge of the rotating bracket is attached to the right side of the conveying belt, and the rotating bracket and the conveying device are connected through a chain transmission mechanism.

[0015] The rotating bracket is provided with a support vertical plate fixedly connected with the shell on the rear side, two symmetrically distributed limiting conical cylinders are slidingly connected to the front side of the support vertical plate, a sliding ring is sleeved on the periphery of the limiting conical cylinder, the sliding ring is in contact connection with the limiting conical cylinder, the sliding ring is fixedly connected with a sliding rod slidingly connected to the support vertical plate, and the sliding rod is connected with an external driving device.

[0016] The rotating bracket is provided with a limiting frame slidingly connected with the shell above and below, an arc-shaped lifting rail is arranged on the limiting frame, a limiting pull rod is arranged in the arc-shaped lifting rail, and the limiting pull rod is fixedly connected with the sliding ring.

[0017] Preferably, a passage is arranged below the needle body limiting cover and the needle handle limiting cover, and the passage is located above the needle storage rail.

[0018] The upper conveying device is fixedly connected with a limiting adjustment frame at the upper end, the limiting adjustment frame is fixedly connected with a semicircular limiting plate at the right end, the semicircular limiting plate is fixedly connected with a flow guide arc-shaped limiting frame at the lower end, the flow guide arc-shaped limiting frame is located above the conveying belt on the lower side, the flow guide arc-shaped limiting frame is fixedly connected with a material shifting wedge-shaped plate at the left side and the upper end, the material shifting wedge-shaped plate is in contact with the conveying belt at the upper end, and the flow guide arc-shaped limiting frame is fixedly connected with the limiting cover plate.

[0019] Preferably, the rear end of the sliding rod is fixedly connected with a sliding sleeve, the rear end of the supporting vertical plate is rotatably connected with a driving shaft rod matched with the sliding sleeve, a sliding thread track is formed on the driving shaft rod, the sliding sleeve is fixedly connected with a sliding pin matched with the sliding thread track, the driving shaft rod is coaxially fixedly connected with an oscillating gear, the oscillating gear is meshed with an oscillating rack which is slidably connected with the shell, the oscillating gear is threadedly connected with an oscillating reciprocating screw rod rotatably connected in the shell, and the oscillating reciprocating screw rod is connected with an external driving device.

[0020] Preferably, a synchronous rack is fixedly connected on the single-tooth sliding thread sleeve, the synchronous rack is meshed with a one-way gear rotatably connected in the shell, and the one-way gear is connected with the rotating sleeve through a chain wheel transmission mechanism.

[0021] The rotating sleeve is connected with a middle rotating shaft rotatably connected in the shell through a chain wheel transmission mechanism, and the middle rotating shaft is connected with the rotating sleeve through a chain wheel transmission mechanism.

[0022] The oscillating reciprocating screw rod is coaxially fixedly connected with a driving bevel gear, the driving bevel gear is meshed with a driven bevel gear, and the driven bevel gear is connected with the middle rotating shaft through a chain wheel transmission mechanism.

[0023] Preferably, arc-shaped magnetic attraction rings are fixedly connected in the needle storage tracks.

[0024] Preferably, a plurality of pull-down half-round pipes are fixedly connected with the supporting grooves coaxially at the front end of the rotating bracket, a pull-up half-round pipe matched with the pull-down half-round pipes is fixedly connected at the front end of the limiting frame, and taper half-round holes are formed in the pull-up half-round pipes and the pull-down half-round pipes.

[0025] Preferably, a sliding groove is formed on the side of the arc-shaped needle storage groove close to the needle handle driving roller, a sliding arc-shaped plate is slidably connected in the sliding groove, and the sliding arc-shaped plate is connected with the arc-shaped needle storage groove through a spring.

[0026] The present application improves the existing acupuncture needle processing device and has the following beneficial effects:

[0027] 1. The automatic needle stringing operation on the needle body and the needle handle is realized through the stringing device, and the problem that the needle body needs to be pre-installed in the needle handle is solved.

[0028] 2. The limiting and fixing of the acupuncture needle are effectively realized through the rotating roller, the conveying belt, the needle storage groove, the arc-shaped magnetic attraction ring, the limiting adjusting frame and the limiting cover plate, and the problems of sliding and unstable conveying of the acupuncture needle are avoided.

[0029] 3. Through the coordination of the needle threading device, the needle tail bending device, the drawing and shaping device, and the conveying device, the needle threading, bending, and drawing and shaping operations of acupuncture needles are effectively realized simultaneously, and the coordination and cooperation of each part can be achieved. Attached Figure Description

[0030] Figure 1 This is a schematic diagram of the overall structure of the present invention.

[0031] Figure 2 This is a schematic diagram of the internal structure of the present invention.

[0032] Figure 3 For the present invention Figure 2 A magnified view of a portion of point A in the middle.

[0033] Figure 4 For the present invention Figure 2 A magnified view of a portion of point B in the middle.

[0034] Figure 5 This is a partial schematic diagram of the needle threading structure of the present invention.

[0035] Figure 6 For the present invention Figure 5 A magnified view of a portion of point C in the middle.

[0036] Figure 7 This is a schematic diagram of the conveying device and its connection structure according to the present invention.

[0037] Figure 8 For the present invention Figure 7 A magnified view of a portion of point D in the middle.

[0038] Figure 9 For the present invention Figure 7 A magnified view of a portion of point E in the middle.

[0039] Figure 10 This is a partial schematic diagram of the koji-making device of the present invention.

[0040] Figure 11 This is a partial schematic diagram of the drawing forming structure of the present invention.

[0041] Figure 12 This is a schematic diagram of the rotating shaft and its connecting parts in this invention. Detailed Implementation

[0042] The foregoing and other technical contents, features and effects of the present invention are described in conjunction with the appendix below. Figures 1 to 12 The detailed description of the embodiments will make this clear. All structural details mentioned in the following embodiments are based on the accompanying drawings.

[0043] Exemplary embodiments of the present invention will now be described with reference to the accompanying drawings.

[0044] The embodiment one is an automatic string handle, needle tail beating and drawing forming equipment for producing acupuncture needles, which comprises a shell 1, the shell 1 provides a fixed support base for subsequent structures, and avoids the problems of needle body and needle handle falling off the outside world, the shell 1 is internally connected with a string handle device, a needle tail beating device and a drawing forming device, the string handle device, the needle tail beating device and the drawing forming device are sequentially connected through a conveying device, which ensures that the needle body and the needle handle can enter the string handle device, the needle tail beating device and the drawing forming device in sequence, and realizes the operations of stringing needles, needle tail beating and drawing forming of the acupuncture needles;

[0045] The string handle device comprises a needle body limiting cover 2 and a needle handle limiting cover 3 fixedly connected with the shell 1, the upper ends of the needle body limiting cover 2 and the needle handle limiting cover 3 are connected with an external needle body and needle handle feeding device, the needle body and the needle handle are input into the corresponding needle body limiting cover 2 and needle handle limiting cover 3 through the feeding device, the needle body drive roller 4 and the needle handle drive roller 5 are respectively rotationally connected in the needle body limiting cover 2 and the needle handle limiting cover 3, the needle body drive roller 4 and the needle handle drive roller 5 are coaxially fixedly connected, a plurality of arc needle storage grooves 6 are formed in the needle body drive roller 4, an arc needle handle groove 7 corresponding to each arc needle storage groove 6 is formed in the needle handle drive roller 5, the needle body is limited in each arc needle storage groove 6 through the cooperation of the needle body limiting cover 2 and the needle body drive roller 4, the needle handle is limited in each arc needle handle groove 7 through the cooperation of the needle handle limiting cover 3 and the arc needle handle groove 7, the needle body and the needle handle are one-to-one corresponding, the subsequent stringing operation of the needle body and the needle handle is facilitated, the needle handle drive roller 5 and an intermittent rotation gear 8 rotationally connected in the shell 1 are coaxially fixedly connected through a one-way bearing 9, the number of teeth of the intermittent rotation gear 8 is the same as the number of the arc needle storage grooves 6 and the arc needle handle grooves 7, the intermittent rotation gear 8 is engaged with a single-tooth sliding thread sleeve 10 slidingly connected in the shell 1, the intermittent rotation gear 8 is driven to rotate through the engagement of the single-tooth sliding thread sleeve 10 and the intermittent rotation gear 8 and the sliding of the single-tooth sliding thread sleeve 10, the single-tooth sliding thread sleeve 10 is screwedly connected with a reciprocating adjusting screw 11 rotationally connected in the shell 1, the reciprocating adjusting screw 11 is connected with a driving motor 12 fixedly connected in the shell 1, the driving motor 12 drives the reciprocating adjusting screw 11 to rotate, and then drives the single-tooth sliding thread sleeve 10 to reciprocally slide, the single-tooth sliding thread sleeve 10 reciprocally slides to drive the intermittent rotation gear 8 to intermittently rotate in the same direction, and realizes the intermittent and periodic string handle input of the needle body and the needle handle;

[0046] The needle handle limiting cover 3 is provided with a string handle hole 13, and in the intermittent rotation process of the intermittent rotation gear 8, the string handle hole 13 is matched with the arc-shaped needle handle groove 7 in sequence. The string handle pressing rod 14 is slidably connected inside the string handle hole 13, and the string handle pressing rod 14 is pushed by sliding, the needle handle is slidably sleeved on the needle body by the sliding of the string handle pressing rod 14, the front end of the string handle pressing rod 14 is provided with a spiral track 15, the spiral track 15 is a reciprocating spiral track 15, the rotating sleeve 16 is coaxially connected on the string handle pressing rod 14, the rotating sleeve 16 is connected with a limiting pin matched with the spiral track 15 inside, the rotating sleeve 16 is connected with a driving device, the rotating sleeve 16 rotates through the cooperation of the limiting pin and the spiral track 15, and drives the string handle pressing rod 14 to reciprocate, and the needle body and the needle handle are operated by stringing in the reciprocating process of the string handle pressing rod 14.

[0047] In the specific implementation of the embodiment, first, the needle body and the needle handle are respectively input into the needle body limiting cover 2 and the needle handle limiting cover 3 through the feeding device, then the driving motor 12 is started, the driving motor 12 rotates, the needle body driving roller 4 and the needle handle driving roller 5 are intermittently and periodically rotated through the reciprocating adjusting screw rod 11, the single-tooth sliding thread sleeve 10, the intermittent rotation gear 8 and the one-way bearing 9, then the arc-shaped needle handle groove 7 is matched with the string handle hole 13, then the driving device of the rotating sleeve 16 is started, the rotating sleeve 16 rotates to drive the string handle pressing rod 14 to reciprocate, and the needle body and the needle handle are operated by stringing, then the needle handle is sleeved on the periphery of the needle body, after the stringing operation is completed, the intermittent rotation gear 8 rotates for another period, and another set of needle body and needle handle is driven, and the acupuncture needle after stringing is conveyed into the needle tail curving device through the conveying device, the needle tail curving device and the drawing forming device are conventional devices, and details are not described here, the needle tail curving and drawing forming of the acupuncture needle are realized through the operation of the needle tail curving device and the drawing forming device, the needle body and the needle handle are effectively connected, and the looseness between the needle body and the needle handle is avoided.

[0048] In order to realize the effective delivery of the acupuncture needle after the completion of the needle, ensure that the acupuncture needle can smoothly enter the next process, realize the effective connection of the string handle device, the needle tail beating curve device and the drawing forming device, and ensure the seamless connection of each part, specifically, the delivery device comprises two symmetrical rotating rollers 17, the rotating rollers 17 are wound with a conveying belt 18, a plurality of equally spaced needle storage rails 19 are arranged on the conveying belt 18, one of the rotating rollers 17 is connected with the external driving device, and the two groups of delivery devices are connected through a chain transmission mechanism. The rotation of one of the rotating rollers 17 drives the rotation of the corresponding conveying belt 18. The rotation of the conveying belt 18 realizes the delivery of the acupuncture needle in the needle storage rail 19. At the same time, the delivery device is connected with the string handle device, the needle tail beating curve device and the drawing forming device through the connecting device, so that the acupuncture needle can smoothly fall into the needle storage rail 19. At the same time, the rotation period of the rotating roller 17 is the same as that of the intermittent rotation gear 8, so that the acupuncture needle can smoothly enter the needle storage rail 19 after being separated from the string handle device and the needle tail beating curve device, and the delivery of the acupuncture needle is realized.

[0049] In order to realize the needle tail beating curve processing of the acupuncture needle during the delivery of the acupuncture needle, the width of the lower delivery device is smaller than that of the upper delivery device, so that the two ends of the needle body of the acupuncture needle are exposed outside the delivery device, facilitating the subsequent operation of the two ends of the needle body. The beating curve device comprises a support plate 20 fixedly connected to the front side of the lower delivery device. The upper end surface of the support plate 20 is in close contact with the lower end surface of the needle storage rail 19, so that the acupuncture needle slides on the support plate 20 during the rotation of the conveying belt 18. The beating curve plate 21 is slidably connected to the upper and lower sides of the support plate 20. The beating curve plate 21 comprises a beating curve box, a beating curve arc frame is slidably connected in the beating curve box, the beating curve arc frame is connected with the beating curve box through a spring, and the beating curve arc plate and the support plate 20 are both arc-shaped at the opposite ends. By matching the beating curve arc frame with the support plate 20, the exposed end of the needle body of the acupuncture needle is bent. The beating curve plate 21 is connected with an eccentric cam disc 22 rotatably connected in the housing 1. The eccentric cam disc 22 is connected with the external driving device. The eccentric cam disc 22 rotates at the same time, driving the beating curve plate 21 to slide up and down. The beating curve plate 21 slides up and down, realizing the bending of the needle tail of the acupuncture needle.

[0050] The support plate 20 is provided with a lifting support plate 23 on the right side, the lifting support plate 23 is provided with a pressing groove 24 matched with the needle storage rail 19, the lifting support plate is fixedly connected with a wave-shaped plate 57 on the side close to the conveying device, the conveying device is connected with a limiting cover plate 40 on the lower side, the limiting cover plate 40 is provided with a wave-shaped groove matched with the wave-shaped plate 57, the lifting of the lifting support plate 23 drives the synchronous lifting of the wave-shaped plate 57, and the cooperation of the wave-shaped plate 57 and the wave-shaped groove simultaneously bends the needle body, the lifting of the lifting support plate 23 drives the pressing groove 24 to press the bent part of the needle tail again, thereby ensuring the effectiveness of the needle tail bending effect of the acupuncture needle, the lifting support plate 23 is fixedly connected with a driven lifting telescopic rod 25 fixedly connected in the shell 1, the lower end of the bending plate 21 is fixedly connected with a driving lifting telescopic rod 26, the driven lifting telescopic rod 25 and the driving lifting telescopic rod 26 are connected through a hydraulic pipe, the lifting of the bending plate 21 drives the reverse lifting of the lifting support plate 23, thereby ensuring that the bending plate 21 bends the needle tail, and the lifting support plate 23 processes the needle tail twice.

[0051] The drawing forming device comprises a rotating bracket 27 arranged on the right side of the lower conveying device, a plurality of supporting grooves 28 are arranged on the rotating bracket 27, the outer edge of the rotating bracket 27 is matched with the right side of the conveying belt 18, the rotating bracket 27 and the conveying device are connected through a chain transmission mechanism, and the conveying device realizes conveying the acupuncture needle into the supporting grooves 28 of the rotating bracket 27 in the rotating process.

[0052] The rotating bracket 27 is provided with a supporting vertical plate 29 slidably connected with the shell 1 in front and back, the supporting vertical plate 29 and the shell 1 are connected through a spring, so that the supporting vertical plate 29 slides to the side of the rotating bracket 27, two symmetrical limiting conical cylinders 30 are slidably connected to the front side of the supporting vertical plate 29, a sliding ring 31 is sleeved on the periphery of the limiting conical cylinder 30, the sliding ring 31 is in contact with the limiting conical cylinder 30, the sliding ring 31 and a sliding rod 32 slidably connected to the supporting vertical plate 29 are fixedly connected, the sliding rod 32 is connected with an external driving device, synchronous sliding of the sliding ring 31 is driven by the forward and backward sliding of the sliding rod 32, the sliding ring 31 slides, and the two limiting conical cylinders 30 slide reversely, so that the other end of the acupuncture needle is clamped and fixed, and the needle body in the acupuncture needle can slide by the synchronous sliding of the limiting conical cylinders 30 driven by the sliding of the sliding rod 32.

[0053] In order to avoid the needle handle sliding synchronously during the needle body pulling process, the rotating bracket 27 is provided above the limiting frame 33 which is connected with the shell 1 in up-down sliding mode, an arc-shaped lifting rail 34 is arranged in the limiting frame 33, a limiting pull rod 35 is arranged in the arc-shaped lifting rail 34, the limiting pull rod 35 is fixedly connected with the sliding ring 31, the sliding ring 31 drives the limiting pull rod 35 to slide synchronously, the limiting pull rod 35 drives the limiting frame 33 to lift during the sliding process, and the limiting frame 33 is lifted to limit and fix the acupuncture needle arranged in the supporting groove 28.

[0054] A channel is arranged below the needle body limiting cover 2 and the needle handle limiting cover 3, the channel is arranged above the needle storage rail 19, and the channel guarantees that the acupuncture needle can smoothly fall into the needle storage rail 19.

[0055] In order to adjust the relative position of the needle handle and the needle body on the acupuncture needle and guarantee that the needle handle is arranged at the middle position of the acupuncture needle, the upper conveying device is fixedly connected with a limiting adjustment frame 36 at the upper end, the limiting adjustment frame 36 is used for adjusting the position of the needle handle, the needle handle is guaranteed to slide to the middle position of the limiting adjustment frame 36, a semicircular limiting plate 37 is fixedly connected with the right end of the limiting adjustment frame 36, the semicircular limiting plate 37 is used for limiting the acupuncture needle with an arc-shaped position, the acupuncture needle is avoided to fall off without control and guidance, a flow guiding arc-shaped limiting frame 38 is fixedly connected with the lower end of the semicircular limiting plate 37, the acupuncture needle falls into the flow guiding arc-shaped limiting frame 38 after being separated from the needle storage rail 19, the flow guiding arc-shaped limiting frame 38 is arranged above the lower conveying belt 18, a material pushing wedge-shaped plate 39 is fixedly connected with the left upper end of the flow guiding arc-shaped limiting frame 38, the upper end of the material pushing wedge-shaped plate 39 is in contact with the conveying belt 18, the material pushing wedge-shaped plate 39 is used for pushing the acupuncture needle in the needle storage rail 19 to fall, the acupuncture needle falls on the lower conveying belt 18 through the flow guiding arc-shaped limiting frame 38 and falls into the lower needle storage rail 19, and a limiting cover plate 40 is fixedly connected with the right side of the flow guiding arc-shaped limiting frame 38 and arranged above the lower conveying belt 18, the limiting cover plate 40 is used for limiting the acupuncture needle in the needle storage rail 19, and the risk that the acupuncture needle falls off is avoided.

[0056] In order to realize the periodic reciprocating sliding of the sliding rod 32, a sliding sleeve 41 is fixedly connected to the rear end of the sliding rod 32, a drive shaft 42 is rotatably connected to the rear end of the supporting vertical plate 29 and cooperates with the sliding sleeve 41, a sliding thread rail 43 is formed in the drive shaft 42, and a sliding pin is fixedly connected to the sliding sleeve 41 and cooperates with the sliding thread rail 43. Under the cooperation of the sliding pin and the sliding thread rail 43, the drive shaft 42 rotates reciprocatingly, thereby driving the sliding sleeve 41 to slide reciprocatingly. The sliding of the sliding sleeve 41 drives the sliding rod 32 to slide reciprocatingly, thereby driving the sliding ring 31 to slide reciprocatingly synchronously. The drive shaft 42 is coaxially fixedly connected with a swing gear 44, the swing gear 44 is meshed with a swing rack 45 which is slidably connected to the left and right of the shell 1, the swing gear 44 is threadedly connected with a swing reciprocating screw rod 46 which is rotatably connected inside the shell 1, and the swing reciprocating screw rod 46 is connected with a driving device outside. The rotation of the swing reciprocating screw rod 46 drives the swing rack 45 to slide reciprocatingly, thereby driving the swing gear 44 to rotate reciprocatingly. The rotation of the swing gear 44 drives the drive shaft 42 to rotate synchronously.

[0057] In order to ensure that the stringing device, the conveying device, the needle tail curving device and the drawing forming device can operate coordinately and synchronously, and that each part can be seamlessly connected and operated synchronously, a synchronous rack 47 is fixedly connected to the single-tooth sliding thread sleeve 10, the synchronous rack 47 is meshed with a one-way gear 48 which is rotatably connected inside the shell 1, and the one-way gear 48 is connected with the rotating sleeve 16 through a chain wheel transmission mechanism. The reciprocating sliding of the single-tooth sliding thread sleeve 10 drives the synchronous rack 47 to slide synchronously, thereby driving the one-way gear 48 to rotate, and the rotation of the one-way gear drives the rotating sleeve 16 to rotate, thereby driving the stringing handle pressing rod 14.

[0058] The rotating sleeve 16 is connected with a middle rotating shaft 49 which is rotatably connected inside the shell 1 through a chain wheel transmission mechanism, and the middle rotating shaft 49 is connected with the rotating sleeve 16 and the eccentric cam disc 22 through a chain wheel transmission mechanism. The rotation of the rotating sleeve 16 drives the middle rotating shaft 49 and the eccentric cam disc 22 to rotate synchronously.

[0059] The swing reciprocating screw rod 46 is coaxially fixedly connected with a driving bevel gear 50, the driving bevel gear 50 is meshed with a driven bevel gear 51, the driven bevel gear 51 and the intermediate shaft 49 are connected through a chain wheel transmission mechanism, the swing reciprocating screw rod 46 is driven to rotate synchronously through the rotation of the intermediate shaft 49, thereby ensuring that the intermittent rotation gear 8 rotates, the conveying device rotates synchronously, and the rotation of the one-way gear 48 drives the rotation sleeve 16, the swing reciprocating screw rod 46 and the eccentric cam disc 22 to rotate synchronously, so that the acupuncture needle after rotation is operated to be threaded, the needle tail is curved and drawn.

[0060] The arc-shaped magnetic attraction ring is fixedly connected inside the needle storage rail 19, the acupuncture needle entering the needle storage rail 19 is fixedly limited through the arc-shaped magnetic attraction ring, the problem that the acupuncture needle slides or falls off is avoided, and the acupuncture needle and the needle storage rail 19 are also prevented from being separated under the condition that no external force is applied.

[0061] The rotation bracket 27 is fixedly connected with a plurality of drawing lower semicircular pipes 52 which are coaxially fixedly connected with the supporting grooves 28, the front end of the limiting frame 33 is fixedly connected with a drawing upper semicircular pipe 53 which cooperates with the drawing lower semicircular pipe 52, the drawing upper semicircular pipe 53 and the drawing lower semicircular pipe 52 are both provided with a tapered semicircular hole 54, the drawing upper semicircular pipe 53 is driven to synchronously ascend and descend through the up-and-down sliding of the limiting frame 33, the acupuncture needle is limited and clamped through the drawing upper semicircular pipe 53 and the drawing lower semicircular pipe 52, the tapered semicircular hole 54 limits and clamps the curved needle tail, the needle tail is better curved, the curved needle tail is smoothly inserted into the needle handle through the limitation of the tapered semicircular hole 54, and the needle body and the needle handle are smoothly connected.

[0062] In order to ensure that the needle body is smoothly inserted into the needle handle, the needle handle is reset after the acupuncture needle is threaded, the needle handle is driven to slide to the middle position of the conveying belt 18, the needle handle and the needle body are effectively supported, the arc-shaped needle storage groove 6 is provided with a sliding groove 55 on the side close to the needle handle driving roller 5, a sliding arc-shaped plate 56 is slidably connected inside the sliding groove 55, the sliding arc-shaped plate 56 is connected with the arc-shaped needle storage groove 6 through a spring, the outer diameter of the sliding arc-shaped plate 56 is the same as that of the needle handle, the needle handle is slid, the sliding arc-shaped plate 56 is synchronously slid, and the needle handle after threading is synchronously moved when the sliding arc-shaped plate 56 is reset.

[0063] In specific use, firstly, the needle body and the needle handle are respectively placed in the corresponding feeding devices, the needle body and the needle handle enter the corresponding needle body limiting cover 2 and needle handle limiting cover 3, then the driving motor 12 is started, the driving motor 12 rotates, the single-tooth sliding thread sleeve 10 is driven to reciprocate by the reciprocating adjusting screw rod 11, the single-tooth sliding thread sleeve 10 is driven to rotate during the reciprocating process, the intermittent rotation gear 8 is driven to rotate at the same time, the conveying device and the rotating bracket 27 are synchronously driven to rotate at the same time, the intermittent rotation gear 8, the conveying device and the rotating bracket 27 are connected through the chain transmission mechanism, the acupuncture needle is driven once by the intermittent rotation gear 8 at the same time, and the conveying device and the rotating bracket 27 are also driven once, then after the intermittent rotation gear 8 rotates, the needle stringing, needle tail curving and drawing forming operations of the acupuncture needle are realized by driving the rotating sleeve 16, the eccentric driving disc and the swing reciprocating screw rod 46.

[0064] The acupuncture needle processing device of the present application is improved, the needle stringing, needle tail curving and drawing forming problems are effectively solved by adding the handle stringing device, the needle tail curving device, the drawing forming device and the conveying device, the needle stringing problem is effectively solved by setting the needle body driving roller, the needle handle driving roller, the intermittent rotation gear, the single-tooth sliding thread sleeve and the rotating sleeve, the handle stringing pressing rod, the spiral track and the limiting pin, the conveying and transferring of the acupuncture needle and the limiting fixing of the acupuncture needle are effectively realized by setting the rotating roller, the conveying belt, the needle storage groove and the arc-shaped magnetic attraction ring, the needle body and the needle tail curving problem is effectively solved by setting the supporting plate, the curving plate, the eccentric cam disc, the lifting supporting plate and the lifting telescopic rod, the drawing forming operation of the acupuncture needle is effectively solved by setting the rotating bracket, the supporting groove, the limiting conical cylinder, the sliding ring, the sliding rod and the limiting frame, the linkage of the intermediate shaft, the eccentric cam disc, the rotating sleeve and the swing reciprocating screw rod and the linkage of the intermittent rotation gear and the conveying device realize the effective connection of each part, the structure is simple and stable, and has high universality.

Claims

1. An automatic needle stringing, needle tail bending, and drawing forming device for producing acupuncture needles, comprising a housing (1), characterized in that, The outer shell (1) is internally connected to a shank device, a needle tail bending device and a drawing forming device, which are connected in sequence through a conveying device. The needle holder device includes a needle body limiting cover (2) and a needle holder limiting cover (3) fixedly connected to the outer shell (1). A needle body driving roller (4) and a needle holder driving roller (5) are rotatably connected inside the needle body limiting cover (2) and the needle holder limiting cover (3), respectively. The needle body driving roller (4) and the needle holder driving roller (5) are coaxially fixedly connected. The needle body driving roller (4) has several arc-shaped needle storage grooves (6), and the needle holder driving roller (5) has arc-shaped needle holder grooves (7) corresponding one-to-one with the arc-shaped needle storage grooves (6). The needle handle drive roller (5) and the intermittent rotating gear (8) rotatably connected inside the housing (1) are coaxially fixedly connected by a one-way bearing (9). The intermittent rotating gear (8) meshes with the single-tooth sliding threaded sleeve (10) slidably connected inside the housing (1). The single-tooth sliding threaded sleeve (10) is threadedly connected to the reciprocating adjusting screw (11) rotatably connected inside the housing (1). The reciprocating adjusting screw (11) is connected to the drive motor (12) fixedly connected inside the housing (1). The needle handle limiting cover (3) is provided with a needle handle hole (13), which corresponds to the arc-shaped needle handle groove (7). A needle handle pressing rod (14) is slidably connected inside the needle handle hole (13). A spiral track (15) is provided at the front end of the needle handle pressing rod (14). A rotating sleeve (16) is coaxially rotatably connected to the needle handle pressing rod (14). A limiting pin that cooperates with the spiral track (15) is connected inside the rotating sleeve (16). The rotating sleeve (16) is connected to an external driving device.

2. The automatic needle stringing, needle tail bending, and drawing forming equipment for producing acupuncture needles according to claim 1, characterized in that, The conveying device includes two symmetrically distributed rotating rollers (17), a conveyor belt (18) is wound on the rotating rollers (17), and a number of equally spaced needle storage rails (19) are provided on the conveyor belt (18). One of the rotating rollers (17) is connected to an external driving device, and the two sets of conveying devices are connected by a chain drive mechanism.

3. The automatic needle stringing, needle tail bending, and drawing forming equipment for producing acupuncture needles according to claim 2, characterized in that, The width of the lower conveying device is smaller than that of the upper conveying device. The bending device includes a support plate (20) fixedly connected to the front side of the lower conveying device. The upper end face of the support plate (20) is in contact with the lower end face of the needle storage rail (19). A bending plate (21) is placed on the upper side of the support plate (20) and is slidably connected to the outer shell (1). The bending plate (21) is connected to an eccentric cam disk (22) rotatably connected inside the outer shell (1). The eccentric cam disk (22) is connected to an external driving device. The support plate (20) has a lifting support plate (23) on its right side. The lifting support plate (23) has a pressing groove (24) that matches the needle storage rail (19). A corrugated plate (57) is fixedly connected to the side of the lifting support plate near the conveying device. A limiting cover plate (40) is connected to the lower side of the conveying device. The limiting cover plate (40) has a wave groove that matches the corrugated plate (57). The lifting support plate (23) is fixedly connected to a driven lifting telescopic rod (25) fixedly connected inside the outer shell (1). A driving lifting telescopic rod (26) is fixedly connected to the lower end of the bending plate (21). The driven lifting telescopic rod (25) and the driving lifting telescopic rod (26) are connected by a hydraulic pipe.

4. The automatic needle stringing, needle tail bending, and drawing forming equipment for producing acupuncture needles according to claim 3, characterized in that, The drawing forming device includes a rotating bracket (27) placed on the right side of the lower conveying device. The rotating bracket (27) has several equally circumferentially distributed support grooves (28). The outer edge of the rotating bracket (27) is in contact with the right side of the conveyor belt (18). The rotating bracket (27) and the conveying device are connected by a chain drive mechanism. The rotating bracket (27) has a supporting vertical plate (29) that is slidably connected to the outer shell (1) at the rear. The supporting vertical plate (29) has two symmetrically distributed limiting cones (30) that are slidably connected at the front. The limiting cones (30) are surrounded by a sliding ring (31). The sliding ring (31) is in contact with the limiting cones (30). The sliding ring (31) is fixedly connected to a sliding rod (32) that is slidably connected to the supporting vertical plate (29) at the rear. The sliding rod (32) is connected to an external driving device. A limiting frame (33) is placed directly above the rotating bracket (27) and is slidably connected to the outer shell (1). An arc-shaped lifting rail (34) is provided on the limiting frame (33). A limiting rod (35) is built into the arc-shaped lifting rail (34). The limiting rod (35) is fixedly connected to the sliding ring (31).

5. The automatic needle stringing, needle tail bending, and drawing forming equipment for producing acupuncture needles according to claim 4, characterized in that, The needle body limiting cover (2) and the needle handle limiting cover (3) are both provided with channels directly below them, and the channels are located directly above the needle storage rail (19). The upper end of the upper conveying device is fixedly connected to a limit adjustment frame (36), the right end of the limit adjustment frame (36) is fixedly connected to a semi-circular limit plate (37), the lower end of the semi-circular limit plate (37) is fixedly connected to a flow-guiding arc-shaped limit frame (38), the lower end of the flow-guiding arc-shaped limit frame (38) is placed directly above the lower conveyor belt (18), the upper left end of the flow-guiding arc-shaped limit frame (38) is fixedly connected to a material-pushing wedge plate (39), the upper end of the material-pushing wedge plate (39) is in contact with the conveyor belt (18), and the flow-guiding arc-shaped limit frame (38) and the limit cover plate (40) are fixedly connected.

6. The automatic needle stringing, needle tail bending, and drawing forming equipment for producing acupuncture needles according to claim 4, characterized in that, The sliding rod (32) is fixedly connected to a sliding sleeve (41) at its rear end. The supporting vertical plate (29) is rotatably connected to a drive shaft (42) that cooperates with the sliding sleeve (41). A sliding threaded rail (43) is provided on the drive shaft (42). A sliding pin that cooperates with the sliding threaded rail (43) is fixedly connected to the sliding sleeve (41). A swing gear (44) is coaxially fixedly connected to the drive shaft (42). A swing rack (45) is meshed with the swing gear (44) and is slidably connected to the outer shell (1) on the left and right. The swing gear (44) is threadedly connected to a swing reciprocating screw (46) that is rotatably connected inside the outer shell (1). The swing reciprocating screw (46) is connected to an external driving device.

7. The automatic needle stringing, needle tail bending, and drawing forming equipment for producing acupuncture needles according to claim 6, characterized in that, A synchronous rack (47) is fixedly connected to the single-tooth sliding threaded sleeve (10). The synchronous rack (47) meshes with a one-way gear (48) rotatably connected inside the outer shell (1). The one-way gear (48) and the rotating sleeve (16) are connected through a sprocket transmission mechanism. The rotating sleeve (16) and the central shaft (49) rotatably connected inside the outer shell (1) are connected by a sprocket transmission mechanism. The central shaft (49), the rotating sleeve (16), and the eccentric cam disk (22) are all connected by a sprocket transmission mechanism. The oscillating reciprocating screw is coaxially fixedly connected to a driving bevel gear (50), and a driven bevel gear (51) meshes with the driving bevel gear (50). The driven bevel gear (51) and the central shaft (49) are connected through a sprocket transmission mechanism.

8. The automatic needle stringing, needle tail bending, and drawing forming equipment for producing acupuncture needles according to claim 2, characterized in that, The needle storage rail (19) is fixedly connected with an arc-shaped magnetic ring inside.

9. An automatic needle stringing, needle tail bending, and drawing forming device for producing acupuncture needles according to claim 6, characterized in that, The rotating bracket (27) is fixedly connected to a plurality of lower semicircular tubes (52) that are coaxially fixedly connected to the support groove (28). The front end of the limiting frame (33) is fixedly connected to an upper semicircular tube (53) that cooperates with the lower semicircular tube (52). The upper semicircular tube (53) and the lower semicircular tube (52) are both provided with conical semicircular holes (54).

10. An automatic needle stringing, needle tail bending, and drawing forming device for producing acupuncture needles according to claim 1, characterized in that, The arc-shaped needle storage groove (6) has a sliding groove (55) on the side near the needle holder drive roller (5). A sliding arc plate (56) is slidably connected to the sliding groove (55) from front to back. The sliding arc plate (56) is connected to the arc-shaped needle storage groove (6) by a spring.

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