A feeding auxiliary mechanism of a microneedle patch machine

Abstract

The utility model discloses a kind of feeding auxiliary mechanism of microneedle patch machine, including feeding assembly, material distributing assembly and material winding assembly, feeding assembly is installed in the side of patch machine rack, responsible for the storage and release of material band shaped winding to the feeding end of patch machine rack;Material distributing assembly is located in the side of the feeding end of patch machine rack, responsible for separating the upper release film layer in material band and substrate sheet layer;Material winding assembly is located in the side of material distributing assembly, the utility model can be well adapted to the automatic feeding of patch machine, collaborative between each process, high tolerance, low error rate, the power of automatic release is provided in the cooperation of first material winding cylinder and first material winding motor in feeding assembly, reduce the resistance of subsequent material pulling of equipment, in material distributing assembly, by setting material distributing rotating rod, the upper release film layer is separated, simultaneously, by setting winding auxiliary tolerance mechanism, improve system tolerance, reduce the risk of material band being pulled off, simultaneously, by setting feeding auxiliary mechanism, it is convenient to feed and compact material band.

Description

Technical Field

[0001] This utility model relates to the technical field of feeding auxiliary structures for mechanical equipment, and in particular to a feeding auxiliary mechanism for a microneedle patch machine. Background Technology

[0002] Currently, in the production of microneedle patches, traditional machine stacking or purely manual patching methods are too slow. The more efficient method is the assembly line patching method. Assembly line patching machines need to solve the problems of efficient feeding and dispensing, as well as the various issues that exist between them. For feeding, it is required to store the roll material and be able to automatically release it to reduce resistance. For dispensing, it is required to separate the film in the tape and rewind the separated film. How to coordinate these processes and how to improve tolerance are all technical problems that need to be solved. Utility Model Content

[0003] In order to overcome the shortcomings of the prior art, the purpose of this utility model is to provide a feeding auxiliary mechanism for a microneedle patch machine to solve the technical problems mentioned in the background art.

[0004] To solve the technical problem, this utility model adopts the following technical solution: A feeding auxiliary mechanism for a microneedle placement machine includes: The feeding assembly, installed on one side of the pick-and-place machine frame, is responsible for storing and releasing the wound-up tape to the feed end of the pick-and-place machine frame; The material separation assembly, located on one side of the feed end of the pick-and-place machine frame, is responsible for separating the upper release film layer from the substrate layer in the material strip; The roll assembly, located on one side of the slitting assembly, is responsible for winding up the upper release film layer separated by the slitting assembly.

[0005] Specifically, the feeding assembly includes a first roll drum for storing and releasing the material strip and a first roll motor for controlling the rotation of the first roll drum.

[0006] Specifically, the roll assembly includes a second roll for winding up the release film layer and a second roll motor for controlling the rotation of the second roll.

[0007] Specifically, the material distribution assembly includes a first fixed guide wheel, a material distribution seat, and a material distribution rotating rod. The first fixed guide wheel is installed on one side of the feed end of the pick and place machine frame and on the upper end of the first roll of material. The material distribution seat is installed at the head end of the feed end and has symmetrically arranged distribution seats on both sides of the conveyor plate. The material distribution rotating rod is rotatably arranged between the two distribution seats.

[0008] It also includes a feeding auxiliary mechanism, which includes a second fixed guide wheel, a first floating guide wheel, a first mounting plate, a first stroke groove, a first guide rail, a first guide slider, and a stroke electronic ruler. The first mounting plate is mounted on one side of the frame, and the second fixed guide wheel is mounted on the first mounting plate. A first stroke groove is provided on one side of the first mounting plate. The stroke electronic ruler, the first guide rail, and the first guide slider are sequentially mounted on the back side of the first mounting plate. The first guide slider is slidably connected to the first guide rail. One side of the first guide slider is hinged to the output end of the stroke electronic ruler, and the other side is connected to the first floating guide wheel through a first extension rod. The first floating guide wheel is located between the first fixed guide wheel and the second fixed guide wheel. When the material belt enters the conveyor plate for shaping after passing through the second fixed guide wheel, the first floating guide wheel, and the first fixed guide wheel, the stroke electronic ruler extends, causing the first guide slider to drive the first floating guide wheel to descend and tighten the material belt.

[0009] It also includes a winding auxiliary tolerance mechanism, which is disposed between the material distribution assembly and the winding assembly. The mechanism includes a second mounting plate, a second stroke groove, a second guide rail, a second guide slider, a third fixed guide wheel, a second floating guide wheel, an upper limit switch, and a lower limit switch. The third fixed guide wheel is mounted on the front side of the second mounting plate. The second mounting plate has a second stroke groove. The second guide rail is mounted on the back of the second mounting plate. The second guide slider is slidably disposed on the second guide rail. The upper limit switch and the lower limit switch are disposed at the upper and lower positions of the second stroke groove. The second floating guide wheel is connected to the second guide slider through a second extension rod. A switch is also provided on one side of the second guide slider. The switch contacts the upper limit switch or the lower limit switch to control the upper and lower strokes of the winding auxiliary tolerance mechanism.

[0010] Specifically, both the first and second rolls include a drive rod, a back plate, a locking rod, a locking head, a flange, and a core. One end of the drive rod is connected to the output end of the first or second winding motor, and the other end extends outward through the back plate. The core is sleeved on the drive rod and fixedly connected to the plate being rotated. A locking rod is clamped to the outside of the core. The inner end of the locking rod passes through the back plate and is fixedly connected to the flange located inside the back plate. A locking head is also provided on the front side of the core, and the locking head is fixedly connected to the locking rod.

[0011] Specifically, the two sides of the winding core are provided with grooves for locking rods to be inserted, the lock head is provided with a first locking hole for the locking rod to pass through, the back plate is provided with a second locking hole and a shaft through hole, and the inner side of the winding core is also provided with a sleeve hole for the drive rod to pass through.

[0012] Specifically, one side of the material distribution component is also provided with a through-beam light curtain component, which includes an upper through-beam light curtain at the upper end of the material belt and a lower through-beam light curtain at the lower end of the material belt. The front of the feeding end is also provided with an alignment machine.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: (1) The feeding auxiliary mechanism provided by this utility model can be well adapted to the automatic feeding of the chip mounter and the coordination between various processes. It has high tolerance and low error rate.

[0014] (2) The first roll of material and the first roll of material motor in the feeding assembly provide power for automatic release, reducing the resistance of subsequent material pulling of the equipment. The upper release film layer is separated by setting a material separating rotating rod in the material separating assembly. At the same time, the system tolerance is improved by setting a winding auxiliary tolerance mechanism to reduce the risk of the material strip being broken. In addition, the feeding auxiliary mechanism is set to facilitate feeding and pressing of the material strip. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of the material feeding auxiliary mechanism; Figure 2 This is a front view of the overall structure of the material feeding auxiliary mechanism; Figure 3 This is the second schematic diagram of the overall structure of the material feeding auxiliary mechanism; Figure 4 : This is an exploded view of the material strip hierarchical structure; Figure 5 This is one of the schematic diagrams of the feeding auxiliary mechanism and the winding auxiliary tolerance mechanism; Figure 6 : This is the second schematic diagram of the feeding auxiliary mechanism and the winding auxiliary tolerance mechanism; Figure 7 : An exploded view of the structure of the first or second roll of material; In the diagram: Placement machine frame 100, conveyor plate 101, feed end 102, material belt 1, upper release film layer 11, lower release film layer 12, substrate layer 13, feeding assembly 2, first roll 21, first roll motor 22, material distribution assembly 3, first fixed guide wheel 31, material distribution seat 32, material distribution rotating rod 33, distribution seat body 321, roll assembly 4, second roll 41, second roll motor 42, feeding auxiliary mechanism 5, second fixed guide wheel 51, first floating guide wheel 52, first mounting plate 53, first stroke groove 54, first guide rail 55, first guide slider 56, stroke electronic ruler 5 7. First extension rod 58, winding auxiliary tolerance mechanism 6, second mounting plate 61, second stroke groove 62, second guide rail 63, second guide slider 64, third fixed guide wheel 65, second floating guide wheel 66, upper limit switch 67, lower limit switch 68, second extension rod 69, switch 641, drive rod 71, back rotation plate 72, locking rod 73, lock head 74, flange 75, core 76, groove 761, first lock hole 741, second lock hole 721, shaft through hole 722, sleeve hole 762, through-beam light curtain assembly 8, upper through-beam light curtain 81, lower through-beam light curtain 82, alignment machine 9. Detailed Implementation

[0016] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0017] refer to Figures 1 to 7 : This utility model discloses a feeding auxiliary mechanism 5 for a microneedle placement machine, which aims to provide assistance to the feeding end 102 of the placement process of the microneedle placement machine, making its feeding end more automated, enabling coordinated operation between multiple processes, improving tolerance, and reducing the risk of the tape 1 being torn. The feeding auxiliary mechanism 5 mainly includes a feeding component 2, a dispensing component 3, and a reeling component 4. The feeding component 2 is installed on one side of the placement machine frame 100 and has a first reel 21 for storing the tape 1 and releasing the tape 1 to the feeding end 102 of the placement machine frame 100. Specifically, a smooth conveyor plate is provided on the placement machine frame 100. 101. After the material strip 1 is pulled out from the first roll 21 of the feeding assembly 2, it is conveyed forward through the smooth feed plate. The power for the material strip 1 to move forward comes from the subsequent material pulling mechanism of the pick and place machine. In order to reduce the pulling resistance of the material pulling mechanism, a first roll motor 22 is set at the rear end of the first roll 21 in the feeding assembly 2. The first roll motor 22 here causes the material strip 1 of the first roll 21 to be released slowly by its rotation. Specifically, the feeding assembly 2 includes a first roll 21 for storing and releasing the roll of material strip 1, and a first roll motor 22 for controlling the rotation of the first roll 21 to help reduce the pulling resistance of the subsequent material pulling mechanism. Specifically, to better realize the placement process of the pick-and-place machine, this technical solution uses a continuous length of material strip 1 as the base material. The structure of material strip 1 includes a continuous length of upper release film layer 11 and lower release film layer 12. The substrate layer 13 to be placed is arranged at equal intervals between the continuous length of upper release film layer 11 and lower release film layer 12. In order to expose the substrate layer 13 to the upper end of the conveyor plate 101, it is convenient to attach the target microneedle block to the substrate layer 1. 3. At the feeding end 102, the upper release film layer 11 needs to be peeled off, so a material separating component 3 is provided. The material separating component 3 is located on one side of the feeding end 102 of the pick-and-place machine frame 100, and is responsible for separating the upper release film layer 11 from the substrate layer 13 in the material strip 1. The material separating component 3 includes a first fixed guide wheel 31, a material separating seat 32, and a material separating rotating rod 33. The first fixed guide wheel 31 is installed on one side of the feeding end 102 of the pick-and-place machine frame 100, the first fixed guide wheel 31 is installed on one side of the feeding end 102 of the pick-and-place machine frame 100, the first fixed guide wheel 32 ... At the upper end of the roll 21, the material distribution seat 32 is installed at the head end of the feed end 102 and has symmetrically arranged distribution seats 321 on both sides of the conveyor plate 101. The material distribution rotating rod 33 is rotatably arranged between the two distribution seats 321. Specifically, the roll assembly 4 includes a second roll 41 for winding the upper release film layer 11 and a second roll motor 42 for controlling the rotation of the second roll 41. Here, the separation of the upper release film layer 11 from the substrate layer 13 means that the upper release film layer 11 is peeled off manually during feeding, and then the upper release film layer 11 passes around the material distribution rotating rod 33 to reach the roll assembly 4 for winding. The remaining substrate layer 13 of the material strip 1 and the lower release film layer 12 continue to advance along the conveyor plate 101 to the bonding station. The material distribution rotating rod 33 is preferably made of plastic material to increase friction. It is equivalent to the second roll motor 42 also providing some power for the feeding of the material strip 1, reducing the resistance of the subsequent pulling mechanism.

[0018] Specifically, before the material strip 1 reaches the predetermined position through manual feeding (e.g., when the head of the material strip 1 reaches the feeding mechanism, meeting the conditions for the machine to pull the material strip 1 forward), all motors will be set to the unlocked state. At this time, the tension is loose and there is no resistance, so the material strip 1 can move freely when it is manually passed through several guide rollers. Once the material strip 1 reaches the final designated position, such as when the release film layer 12 reaches the predetermined position or when the substrate layer 13 and the lower release film layer 12 reach the feeding mechanism behind, the material strip 1 needs to be tightened. An auxiliary mechanism is provided here, called the feeding auxiliary mechanism 5. The feeding auxiliary mechanism 5 includes a second fixed guide roller 51, a first floating guide roller 52, a first mounting plate 53, a first stroke groove 54, a first guide rail 55, a first guide slider 56, and a stroke electronic ruler 57. The first mounting plate 53 is installed on one side of the frame, and the second fixed guide roller 51 is installed on the first mounting plate 53. The first mounting plate 53 has a first stroke groove 54 on one side. The back side of 53 is sequentially equipped with a stroke electronic ruler 57, a first guide rail 55, and a first guide slider 56. The first guide slider 56 is slidably connected to the first guide rail 55. One side of the first guide slider 56 is hinged to the output end of the stroke electronic ruler 57, and the other side is connected to the first floating guide wheel 52 via a first extension rod 58. The first floating guide wheel 52 is located between the first fixed guide wheel 31 and the second fixed guide wheel 51. When the material belt 1 passes through the second fixed guide wheel 51, the first floating guide wheel 52, and the first fixed guide wheel in sequence... After the material enters the conveyor plate 101 for shaping, the output end of the stroke electronic ruler 57 outputs a specific length or pressure under the control of the system, so that the first guide slider 56, in conjunction with the first extension rod 58, drives the first floating guide wheel 52 to descend, thereby tightening the material belt 1. The tightening of the material belt 1 is conducive to the precise control of subsequent patching operations. When the current material belt 1 is finished and needs to be replaced, the stroke electronic ruler 57 rises and the material belt 1 is released from the tension state. Of course, the stroke electronic ruler 57 can also be replaced by a cylinder, motor and screw nut assembly.

[0019] Specifically, the second roll 41 is used to wind up the waste material of the upper release film layer 11. Its winding power relies on the second roll motor 42. Under normal circumstances, when the first roll motor 22 rotates, the second roll motor 42 also rotates simultaneously. The two motors can synchronously release and wind up at the same time. However, in some cases, there may be a deviation in the winding length. The root cause of this deviation is that the winding dimensions of the two motors at different times result in different outer thicknesses, leading to deviations in the rotation angle and number of revolutions of the two motors. This deviation poses the risk that the continuous rotation of the second roll motor 42 may tear the upper release film layer 11. In this case, a tolerance mechanism is needed, called the winding auxiliary tolerance mechanism 6. The winding auxiliary tolerance mechanism 6 is located at the front end of the second roll 41 of the feeding separation winding mechanism or at the front end of the fourth roll 41 of the unloading separation winding mechanism. The winding auxiliary tolerance mechanism 6 includes a second mounting plate 61, a second stroke groove 62, a second guide rail 63, and a second guide slider 64. The system comprises a third fixed guide wheel 65, a second floating guide wheel 66, an upper limit switch 67, and a lower limit switch 68. The third fixed guide wheel 65 is mounted on the front side of the second mounting plate 61. The second mounting plate 61 has a second travel groove 62, and a second guide rail 63 is mounted on the back of the second mounting plate 61. A second guide slider 64 is slidably mounted on the second guide rail 63. The upper limit switch 67 and the lower limit switch 68 are located above and below the second travel groove 62, respectively. The second floating guide wheel 66 is connected by a second extension rod 69. Connected to the second guide slider 64, the second guide slider 64 is also provided with a switch 641 on one side. The switch 641 contacts the upper limit switch 67 or the lower limit switch 68 to control the upper and lower strokes of this winding auxiliary tolerance mechanism 6. Specifically, after the material strip 1 comes out from the first material distribution rod 33, it first winds around the upper end face of the third fixed guide wheel 65, then winds down to the lower part of the second floating guide wheel 66 and then winds up into the second roll 41, thereby forming a mechanism that can support the second floating guide wheel 66 to provide a margin tolerance. The preferred switch 641 for the upper limit switch 67 and the lower limit switch 68 is a shield. The upper limit switch 67 and the lower limit switch 68 are laser switches or infrared switches. Receiving a signal is considered as the switch being closed. When the shield blocks a certain limit switch, the laser switch or infrared switch signal is blocked, and it is considered as if that switch is open. For example, when the switch 641 reaches the lower limit switch 68 and blocks that switch, it is considered as if the lower limit switch 68 is open. The root cause is that the material strip 1 is too loose, or the first roll of material 21 is released too quickly while the second roll of material 41 is not rewound in time, resulting in too much excess upper release film on the second floating guide roller 66. Ultimately, this causes the second floating guide roller 66 to carry the excess upper release film in the second travel groove. The device moves downward within 62, eventually triggering the lower limit switch 68 with the switch 641. Conversely, when the switch 641 reaches the upper limit switch 67, the root cause is that the material strip 1 is completely pulled out, or the material strip 1 of the first roll 21 is not released in time, resulting in insufficient remaining material in the upper release film layer 11 of the second floating guide wheel 66. The upper release film layer 11 is tightened by the second roll 41, causing the second floating guide wheel 66 to move upward along the second stroke groove 62. Finally, the switch 641 touches the upper limit switch 67. Here, whether the upper limit switch 67 or the lower limit switch 68 is touched, the system will make a judgment and issue a corresponding instruction to stop the operation of a certain motor or process, thereby protecting the smooth operation of the machine.

[0020] Specifically, since the material strip 1 is a product with width, how to achieve maximum diameter winding during the winding process and ensure a non-loose release during unwinding? Here, both the first and second rolls of material include a drive rod 71, a back plate 72, a locking rod 73, a locking head 74, a flange 75, and a core 76. One end of the drive rod 71 is connected to the output end of the first or second winding motor, and the other end extends outward through the back plate 72. The core 76 is sleeved on the drive rod 71 and fixedly connected to the back plate 72. A locking rod 73 is clamped to the outside of the core 76. 3. The inner end of the locking rod 73 passes through the back rotating plate 72 and is fixedly connected to the flange 75 located inside the back rotating plate 72. The front side of the core 76 is also provided with a locking head 74, which is fixedly connected to the locking rod 73. The material strip 1 is wound in the space between the core 76, the back rotating plate 72 and the locking head 74. The width of the locking head 74 is not limited. In some cases, the locking head 74 can extend to both sides to provide a fence-like guardrail space on both sides for the winding of the material strip 1 with a large diameter. When releasing, it is slowly released by the first winding motor to avoid being released by inertia, thereby ensuring that the material strip 1 does not become loose.

[0021] Specifically, the winding core 76 has grooves 761 on both sides for the locking rod 73 to be inserted, the lock head 74 has a first locking hole 741 for the locking rod 73 to pass through, the back rotating plate 72 has a second locking hole 721 and a shaft through hole 722, and the inner side of the winding core 76 also has a sleeve hole 762 for the drive rod 71 to pass through. In an optional embodiment, locking rods 73 are provided on both sides of the winding core 76. The locking rods 73 are limited by the back rotating plate 72, and the locking rods 73 also restrict the rotation of the winding core 76 through the grooves 761. The body is fixedly connected to the back plate 72, which means that the installation of the core 76 has two stabilizing mechanisms. Before the material strip 1 is wound up, the head of the material strip 1 can be inserted into the groove 761, and then the locking rod 73 is installed. Because the locking rod 73 is distributed on both sides of the core 76, the head of the material strip 1 can rotate between the two locking rods 73 a few times before being authorized before winding up. With this setting, the head of the material strip 1 has a strong fixing force, which can help the material strip 1 to appropriately increase the tightening force in the winding process, and ultimately help the material strip 1 to be released after being rolled up not to be loose.

[0022] The material distribution component 3 is also provided with a through-beam light curtain component 8 on one side. The through-beam light curtain component 8 includes an upper through-beam light curtain 81 at the upper end of the material belt 1 and a lower through-beam light curtain 82 at the lower end of the material belt 1. The feed end 102 is also provided with a deviation adjustment machine 9. If the material belt 1 before entering the conveyor plate 101 deviates, it can be identified by the through-beam light curtain component 8 and then corrected by the deviation adjustment machine 9. Here, the through-beam light curtain component 8 adopts through-beam light curtains with a tolerance. If the material belt 1 deviates to the left, the left light curtain is blocked and the right light curtain is larger. The system can automatically identify this (existing technology). Then the deviation adjustment machine 9 starts to shake left and right to adjust the deviation of the material belt 1.

[0023] Understandable implementation methods: Before the placement process begins, the material tape 1 is pulled out from the first roll 21 by the feeding auxiliary mechanism 5 of this microneedle placement machine. After passing through the alignment machine 9, it passes through the second fixed guide wheel 51, the first floating guide wheel 52, and the first fixed guide wheel 31 in sequence, and then reaches the position of the through-beam light curtain assembly 8. It passes through the through-beam light curtain assembly 8 and arrives at the front end of the conveyor plate 101, which is the feeding end 102. It then arrives in front of the dispensing rotor 33 of the dispensing assembly 3. After manually peeling off the release film layer 11, it goes around the bottom of the dispensing rotor 33 and then around to the rear of the dispensing rotor 33 to reach the third fixed guide wheel 65. It goes around the top of the third fixed guide wheel 65, and then goes down and around the second floating guide wheel 66 to enter the third fixed guide wheel 65. The material is wound up in the two rolls 41. When the base sheet layer 13 and the lower release film layer 12 of the separated material strip 1 are passed forward to the feeding mechanism or reach the predetermined position, the switch is activated. The system controls the stroke electronic ruler 57 behind the first floating guide wheel 52 to extend downward. The first floating guide wheel 52 descends to tighten the material strip 1, and then the patching operation can be started. If the material strip 1 is released or the upper release film layer 11 is not wound synchronously, the upper limit switch 67 or the lower limit switch 68 is triggered by the switch 641 behind the second floating guide wheel 66 in the winding auxiliary tolerance mechanism 6 for intelligent control. The entire feeding auxiliary mechanism 5 can achieve automatic, high tolerance, automatic correction and smooth operation.

[0024] The above embodiments are merely preferred embodiments of this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-substantial changes and substitutions made by those skilled in the art based on this utility model shall fall within the scope of protection claimed by this utility model.

Claims

1. A feeding auxiliary mechanism for a microneedle placement machine, characterized in that, include: The feeding assembly, installed on one side of the pick-and-place machine frame, is responsible for storing and releasing the wound-up tape to the feed end of the pick-and-place machine frame; The material separation assembly, located on one side of the feed end of the pick-and-place machine frame, is responsible for separating the upper release film layer from the substrate layer in the material strip; The roll assembly, located on one side of the slitting assembly, is responsible for winding up the upper release film layer separated by the slitting assembly.

2. The feeding auxiliary mechanism for a microneedle patch machine as described in claim 1, characterized in that, The feeding assembly includes a first roll drum for storing and releasing the material strip and a first roll motor for controlling the rotation of the first roll drum.

3. The feeding auxiliary mechanism for a microneedle patch machine as described in claim 2, characterized in that, The roll assembly includes a second roll for winding up the release film layer and a second roll motor for controlling the rotation of the second roll.

4. The feeding auxiliary mechanism for a microneedle patch machine as described in claim 1, characterized in that, The material distribution assembly includes a first fixed guide wheel, a material distribution seat, and a material distribution rotating rod. The first fixed guide wheel is installed on one side of the feed end of the pick and place machine frame and on the upper end of the first roll of material. The material distribution seat is installed at the head end of the feed end and has symmetrically arranged distribution seats on both sides of the conveyor plate. The material distribution rotating rod is rotatably arranged between the two distribution seats.

5. A feeding auxiliary mechanism for a microneedle patch machine as described in any one of claims 1-4, characterized in that, It also includes a feeding auxiliary mechanism, which includes a second fixed guide wheel, a first floating guide wheel, a first mounting plate, a first stroke groove, a first guide rail, a first guide slider, and a stroke electronic ruler. The first mounting plate is mounted on one side of the frame, and the second fixed guide wheel is mounted on the first mounting plate. A first stroke groove is provided on one side of the first mounting plate. The stroke electronic ruler, the first guide rail, and the first guide slider are sequentially mounted on the back side of the first mounting plate. The first guide slider is slidably connected to the first guide rail. One side of the first guide slider is hinged to the output end of the stroke electronic ruler, and the other side is connected to the first floating guide wheel through a first extension rod. The first floating guide wheel is located between the first fixed guide wheel and the second fixed guide wheel. When the material belt enters the conveyor plate for shaping after passing through the second fixed guide wheel, the first floating guide wheel, and the first fixed guide wheel, the stroke electronic ruler extends, causing the first guide slider to drive the first floating guide wheel to descend and tighten the material belt.

6. The feeding auxiliary mechanism for a microneedle patch machine as described in any one of claims 1-4, characterized in that, It also includes a winding auxiliary tolerance mechanism, which is disposed between the material distribution assembly and the winding assembly. The mechanism includes a second mounting plate, a second stroke groove, a second guide rail, a second guide slider, a third fixed guide wheel, a second floating guide wheel, an upper limit switch, and a lower limit switch. The third fixed guide wheel is mounted on the front side of the second mounting plate. The second mounting plate has a second stroke groove. The second guide rail is mounted on the back of the second mounting plate. The second guide slider is slidably disposed on the second guide rail. The upper limit switch and the lower limit switch are disposed at the upper and lower positions of the second stroke groove. The second floating guide wheel is connected to the second guide slider through a second extension rod. A switch is also provided on one side of the second guide slider. The switch contacts the upper limit switch or the lower limit switch to control the upper and lower strokes of the winding auxiliary tolerance mechanism.

7. The feeding auxiliary mechanism for a microneedle patch machine as described in claim 3, characterized in that, Both the first and second rolls include a drive rod, a back plate, a locking rod, a locking head, a flange, and a core. One end of the drive rod is connected to the output end of the first or second winding motor, and the other end extends outward through the back plate. The core is sleeved on the drive rod and fixedly connected to the plate being rotated. A locking rod is clamped to the outside of the core. The inner end of the locking rod passes through the back plate and is fixedly connected to the flange located inside the back plate. A locking head is also provided on the front side of the core, and the locking head is fixedly connected to the locking rod.

8. The feeding auxiliary mechanism for a microneedle patch machine as described in claim 7, characterized in that, The two sides of the winding core are provided with grooves for locking rods to be inserted, the lock head is provided with a first lock hole for the locking rod to pass through, the back plate is provided with a second lock hole and a shaft through hole, and the inner side of the winding core is also provided with a sleeve hole for the drive rod to pass through.

9. The feeding auxiliary mechanism for a microneedle patch machine as described in claim 4, characterized in that, The material distribution assembly is also provided with a through-beam light curtain assembly on one side. The through-beam light curtain assembly includes an upper through-beam light curtain at the upper end of the material belt and a lower through-beam light curtain at the lower end of the material belt. The feed end is also provided with a deviation adjustment machine.

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