Stamping and transferring device for microneedle patches

Abstract

The utility model discloses a stamping and transferring device for a microneedle patch, and belongs to the technical field of punching of the microneedle patch. Comprising a machine table, a rack fixedly connected to the bottom of the machine table, a die plate installed on the surface of the machine table, a stamping air cylinder installed above the end of the die plate through a support and a stamping blade installed at the movable end of the stamping air cylinder, and a transferring mechanism is installed above the machine table; a lug plate is integrally formed on the side wall of the top end of the die plate, a plurality of through holes in butt joint with the bottom end of the shifting rod are formed in the surface of the lug plate at equal intervals, the die plate is transferred through a transferring mechanism, and therefore continuous blanking of microneedle patches can be achieved, and the machining efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of micro - needle patch punching technology more specifically, relate to a kind of micro - needle patch's stamping transfer device. BACKGROUND

[0002] Micro - needle patch is a new type of transdermal drug delivery device, it looks like a "adhesive tape", surface is covered with the recess and tiny needle head of the liquid medicine of loading.Only it is pasted on the skin surface gently, these tiny needle head will pass through the cutin of the outermost layer of skin, liquid medicine is delivered to the subcutaneous cell of human body.Due to the cutin of no pain sense nerve, thus micro - needle passes through human basically does not feel pain, the micro - needle patch of existing needs to be punched during processing Production.

[0003] Patent publication No. CN213440102U discloses a kind of punching device of micro - needle eye patch, including punching mechanism and base mechanism;Punching mechanism includes stand, pressing plate, buffer cylinder, push rod and cutting plate;Buffer cylinder is set in the top of rack;The upper end of buffer cylinder is connected with external high-pressure gas pipe, and the lower end piston of buffer cylinder is connected with push rod;The top corner of pressing plate is equipped with first through hole, and first through hole is all sleeved on stand;The lower portion of cutting plate is equipped with base mechanism;Base mechanism includes push plate, die plate, vacuum suction tube and foot switch;Push plate is slidably connected with slide rail;The upper surface of push plate is fixedly connected with die plate;Die plate is internally hollow structure;The lower portion of die plate is equipped with second through hole, and vacuum suction tube is sealingly connected with second through hole;The utility model realizes that mechanical punching reduces the working intensity of personnel, and vacuum adsorption eye patch is convenient for separating excess material.

[0004] But patent publication No. CN213440102U personnel pushes push plate into the cutting plate below and then presses two stamping switches simultaneously, at this time, the second electromagnetic valve on the high-pressure gas pipe communicated with buffer cylinder is opened, the high-pressure gas pipe is inflated to buffer cylinder, push rod is pushed down, and the pressing plate connected with the lower end bolt of push rod and the cutting plate below the pressing plate are also moved downward until the cutting plate is pressed on the die plate to complete the cutting of the initial film, this process needs manual operation of workers, and only one patch can be cut at a time, so that continuous cutting of patch cannot be realized, thereby affecting the processing efficiency, therefore we propose a kind of micro - needle patch's stamping transfer device to solve the above-mentioned problems. UTILITY MODEL CONTENTS

[0005] 1. Technical problem to be solved

[0006] In view of the problems existing in the prior art, the utility model aims at providing a kind of micro - needle patch's stamping transfer device, it utilizes transfer mechanism to transfer die plate, so that the continuous punching of micro - needle patch can be realized, and the processing efficiency is improved.

[0007] 2. Technical scheme

[0008] To solve the above problems, the utility model adopts the following technical scheme.

[0009] A stamping and transferring device of a microneedle patch, comprising a machine table, a machine frame fixedly connected to the bottom of the machine table, a die plate installed on the surface of the machine table, a stamping cylinder installed above the end of the die plate through a support, and a stamping blade installed on the movable end of the stamping cylinder, wherein the upper portion of the machine table is provided with a transferring mechanism;

[0010] The transferring mechanism comprises a dovetail groove guide rail fixedly connected to the upper portion of the machine table, a dovetail sliding block slidingly connected to the inner side of the dovetail groove guide rail, a connecting seat installed on the surface of the dovetail sliding block, a first shaft head fixedly connected to the surface of the connecting seat, a lever rotatably connected to the first shaft head through a bearing, a limiting column fixedly connected to one side of the first shaft head and abutting against the lever, a second shaft head fixedly connected to one side of the limiting column, a stepping motor installed on one side of the dovetail groove guide rail through a support, a rotating disc drivingly connected to the power output end of the stepping motor, an eccentric shaft head welded to the edge portion of the surface of the rotating disc, and a connecting rod installed between the eccentric shaft head and the second shaft head.

[0011] The top end side wall of the die plate is integrally formed with an ear plate, the surface of the ear plate is provided with a through hole corresponding to the bottom end of the lever, and a plurality of through holes are equidistantly arranged.

[0012] The root portion of the die plate is symmetrically fixedly connected with a guide convex strip, and the root portion of the die plate is provided with a guide rail fixedly connected to the machine table on both sides, and the guide rail is slidingly connected with the guide convex strip.

[0013] Further, assembly grooves are formed in the upper surface of the machine table corresponding to the die plate, and a conveying belt is installed on the inner side of the assembly grooves.

[0014] Further, limiting pressure edges in an inverted L-shaped structure are symmetrically fixedly connected to the edge portion of the upper surface of the die plate.

[0015] Further, bearings are installed at both ends of the connecting rod, and the bearings are respectively interference-connected with the eccentric shaft head and the second shaft head.

[0016] Further, a guide groove is formed in the guide rail and gap-fitted with the guide convex strip.

[0017] Further, the inner side of the dovetail groove guide rail is coated with lubricating grease.

[0018] Further, the stamping blade corresponds to the die cavity formed in the die plate.

[0019] 3. Beneficial effects

[0020] Compared with the prior art, the utility model has the advantages of:

[0021] (1) the scheme, through the power output end of the stepping motor drive rotary disc rotation fixed angular displacement, through the two ends of connecting rod respectively cooperate eccentric shaft head and second shaft head rotation, so that the dovetail slide block cooperate dovetail groove guide rail sliding, through the limit post to the lever limiting, so as to push the mold plate moves, the next die cavity corresponds with the stamping blade, then the stamping cylinder drives the stamping blade to press down and cut the sheet, make the microneedle patch from the die cavity falls, then the rotary disc drives eccentric shaft head to return to the original position, and the lever cooperates first shaft head rotation, until with the next hole opposite for stop, and reciprocating, by the mold plate is moved, so as to realize the continuous punching of microneedle patch, improve the processing efficiency.

[0022] (2) the scheme, through the conveying belt operation to the punching process in the transmission of the microneedle patch that falls, saves the tedious operation of manual collection, reduces the labor intensity of manual work. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0024] Figure 2 It is the transfer mechanism structure schematic diagram of the utility model;

[0025] Figure 3 It is the A part enlarged schematic diagram of the utility model;

[0026] Figure 4 It is the mold plate structure schematic diagram of the utility model;

[0027] Figure 5 It is the stamping cylinder structure schematic diagram of the utility model;

[0028] Figure 6 It is the conveying belt structure schematic diagram of the utility model;

[0029] Figure 7 It is the B part enlarged schematic diagram of the utility model.

[0030] Explanation of reference numerals in the drawing:

[0031] 1, machine table, 2, machine frame, 3, dovetail groove guide rail, 4, dovetail slide block, 5, connecting seat, 6, first shaft head, 7, lever, 8, limit post, 9, second shaft head, 10, stepping motor, 11, rotary disc, 12, eccentric shaft head, 13, connecting rod, 14, mold plate, 15, stamping cylinder, 16, stamping blade, 17, ear plate, 18, through hole, 19, guide convex strip, 20, guide rail, 21, conveying belt, 22, limit edge. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model; obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments, and all other embodiments obtained by the ordinary skilled in the art without making creative efforts based on the embodiments in the utility model belong to the protection scope of the utility model.

[0033] Embodiment:

[0034] Please refer to Figures 1-7 A stamping and transferring device of a microneedle patch comprises a machine table 1, a machine frame 2 fixedly connected at the bottom of the machine table 1, a die plate 14 installed on the surface of the machine table 1, a stamping cylinder 15 installed above the end of the die plate 14 through a support, and a stamping blade 16 installed at the movable end of the stamping cylinder 15, and a transferring mechanism is installed above the machine table 1;

[0035] The transferring mechanism comprises a dovetail groove guide rail 3 fixed above the machine table 1 through a stand column, a dovetail sliding block 4 slidingly connected at the inner side of the dovetail groove guide rail 3, a connecting seat 5 installed on the surface of the dovetail sliding block 4, a first shaft head 6 fixedly connected at the surface of the connecting seat 5, a push rod 7 rotatably connected with the first shaft head 6 through a bearing, a limiting column 8 fixedly connected at one side of the first shaft head 6 and abutting against the push rod 7, a second shaft head 9 fixedly connected at one side of the limiting column 8, a stepping motor 10 installed at one side of the dovetail groove guide rail 3 through a support, a rotating disc 11 drivingly connected with the power output end of the stepping motor 10, an eccentric shaft head 12 welded at the edge part of the surface of the rotating disc 11, and a connecting rod 13 installed between the eccentric shaft head 12 and the second shaft head 9;

[0036] The top end side wall of the die plate 14 is integrally formed with an ear plate 17, a through hole 18 abutting against the bottom end of the push rod 7 is formed at the surface of the ear plate 17, and a plurality of through holes 18 are equidistantly arranged;

[0037] The root part of the die plate 14 is symmetrically fixedly connected with a guide convex strip 19, and the root part of the die plate 14 is provided with guide rails 20 fixedly connected with the machine table 1 at both sides, and the guide rails 20 are slidingly connected with the guide convex strip 19;

[0038] It should be noted that when the stamping and transferring device of the microneedle patch is used, first, the sheet material of the microneedle patch with a punching is placed on the die plate 14, then the guide convex strip 19 arranged at the bottom of the die plate 14 is abutted against the guide rail 20, the die plate 14 is moved so that the first die cavity thereof corresponds to the stamping blade 16, and at the same time, the push rod 7 is abutted against the corresponding through hole 18 formed on the ear plate 17;

[0039] The power output end of the stepping motor 10 drives the rotating disc 11 to rotate by a fixed angular displacement. The two ends of the connecting rod 13 are respectively matched with the eccentric shaft head 12 and the second shaft head 9 to rotate, so that the dovetail sliding block 4 is matched with the dovetail groove guide rail 3 to slide. The limiting post 8 limits the shift lever 7, thereby pushing the mold plate 14 to move, so that the next mold cavity corresponds to the stamping blade 16. Then the stamping cylinder 15 drives the stamping blade 16 to press down to punch the sheet material, so that the formed microneedle patch falls from the mold cavity. Then the rotating disc 11 drives the eccentric shaft head 12 to rotate back to the original position, and the shift lever 7 is matched with the first shaft head 6 to rotate until it is opposite to the next through hole 18. Through the transfer of the mold plate 14, the continuous punching of the microneedle patch can be realized, and the processing efficiency is improved.

[0040] As shown in Figure 6 , the upper surface of the machine table 1 is provided with an assembly groove corresponding to the mold plate 14, and the inner side of the assembly groove is provided with a conveying belt 21;

[0041] It should be noted that the microneedle patch falling during the punching process is conveyed by the conveying belt 21, which saves the tedious operation of manual collection and reduces the labor intensity of workers.

[0042] As shown in Figure 7 , the upper surface edge of the mold plate 14 is symmetrically and fixedly connected with a limiting pressure edge 22 in an inverted L-shaped structure;

[0043] It should be noted that the microneedle patch punched from the sheet material is placed between the limiting pressure edges 22, and the edge of the sheet material is limited by the limiting pressure edges 22, so as to avoid the deviation of the two edges during the punching process.

[0044] As shown in Figure 3 , the two ends of the connecting rod 13 are provided with bearings, and the bearings are respectively in interference connection with the eccentric shaft head 12 and the second shaft head 9;

[0045] It should be noted that the resistance of the two ends of the connecting rod 13 during swinging is reduced, and the rotation accuracy of the end of the connecting rod 13 during swinging is ensured.

[0046] As shown in Figure 6 , Figure 7 , the guide rail 20 is provided with a guide groove matched with the guide convex strip 19;

[0047] It should be noted that the mold plate 14 is well guided during movement.

[0048] As shown in Figure 2 , Figure 3 , the inner side of the dovetail groove guide rail 3 is coated with lubricating grease;

[0049] Need to explain, the resistance of the dovetail slider 4 in the dovetail groove guide rail 3 in the moving process is reduced, and the wear between the dovetail slider 4 and the dovetail groove guide rail 3 is reduced.

[0050] As shown in Figure 1 、 Figure 4 、 Figure 5 The punch blade 16 corresponds to the die cavity opened on the die plate 14;

[0051] Need to explain, the punch blade 16 is cut into shape in the process of pressing, cooperating with the die cavity opened on the die plate 14.

[0052] In use: first, place the sheet material with the punched microneedle patch on the die plate 14, then make the guide convex strip 19 provided at the bottom of the die plate 14 abut the guide rail 20, move the die plate 14 so that the first die cavity corresponds to the punch blade 16, and at the same time make the push rod 7 abut the corresponding through hole 18 opened on the ear plate 17;

[0053] The power output end of the stepping motor 10 drives the rotating disc 11 to rotate at a fixed angular displacement, the two ends of the connecting rod 13 are respectively matched with the eccentric shaft head 12 and the second shaft head 9 to rotate, so that the dovetail slider 4 cooperates with the dovetail groove guide rail 3 to slide, the push rod 7 is limited by the limiting column 8, so as to drive the die plate 14 to move, so that the next die cavity corresponds to the punch blade 16, then the punch cylinder 15 drives the punch blade 16 to press down to punch the sheet material, and the formed microneedle patch falls from the die cavity, then the rotating disc 11 drives the eccentric shaft head 12 to rotate back to the original position, and the push rod 7 rotates with the first shaft head 6 until it abuts the next through hole 18, and reciprocates.

[0054] The above is only a preferred specific embodiment of the present application; however, the protection scope of the present application is not limited thereto. Any skilled person in the art can make equivalent replacement or change according to the technical scheme of the present application and the improvement concept thereof within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A punching and transferring device for microneedle patches, comprising a machine table (1), a machine frame (2) fixedly connected to the bottom of the machine table (1), a die plate (14) installed on the surface of the machine table (1), a punching cylinder (15) installed above the end of the die plate (14) through a support, and a punching blade (16) installed on the movable end of the punching cylinder (15), characterized in that: The machine table (1) is provided with a transfer mechanism above it. The transfer mechanism comprises a dovetail groove guide rail (3) fixed above the machine table (1) by a stand, a dovetail sliding block (4) slidingly connected to the inner side of the dovetail groove guide rail (3), a connecting seat (5) installed on the surface of the dovetail sliding block (4), a first shaft head (6) fixedly connected to the surface of the connecting seat (5), a push rod (7) rotationally connected to the first shaft head (6) by a bearing, a limiting column (8) fixedly connected to one side of the first shaft head (6) and abutting against the push rod (7), a second shaft head (9) fixedly connected to one side of the limiting column (8), a stepping motor (10) installed on one side of the dovetail groove guide rail (3) through a bracket, a rotating disc (11) drivingly connected to the power output end of the stepping motor (10), an eccentric shaft head (12) welded on the surface edge of the rotating disc (11), and a connecting rod (13) installed between the eccentric shaft head (12) and the second shaft head (9). The top end side wall of the mold plate (14) is integrally formed with an ear plate (17), a through hole (18) is formed in the surface of the ear plate (17) and is opposite to the bottom end of the push rod (7), and a plurality of through holes (18) are equidistantly arranged. The root of the mold plate (14) is symmetrically fixedly connected with a guide convex strip (19), and the two sides of the root of the mold plate (14) are provided with guide rails (20) fixedly connected with the machine table (1), and the guide rails (20) are slidingly connected with the guide convex strip (19).

2. The punch and transfer apparatus of claim 1, wherein: A fitting groove is formed in the upper surface of the machine table (1) corresponding to the mold plate (14), and a conveying belt (21) is installed in the inner side of the fitting groove.

3. The punch and transfer apparatus of claim 1, wherein: The upper surface edge of the mold plate (14) is symmetrically fixedly connected with a limiting pressure edge (22) arranged in an inverted L-shaped structure.

4. The punch and transfer apparatus of claim 1, wherein: Bearings are installed at both ends of the connecting rod (13), and the bearings are respectively interference-connected with the eccentric shaft head (12) and the second shaft head (9).

5. The punch and transfer apparatus of claim 1, wherein: A guide groove is formed in the guide rail (20) and is gap-matched with the guide convex strip (19).

6. The punch and transfer apparatus of micro-needle patch according to claim 1, wherein: The inner side of the dovetail groove guide rail (3) is coated with lubricating grease.

7. The punch and transfer apparatus of micro-needle patch according to claim 1, wherein: The punch blade (16) is opposite to the mold cavity formed in the mold plate (14).

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