CN116834230A - Micro needle tube plastic-embedding forming mould structure - Google Patents
Micro needle tube plastic-embedding forming mould structure Download PDFInfo
- Publication number
- CN116834230A CN116834230A CN202311111152.4A CN202311111152A CN116834230A CN 116834230 A CN116834230 A CN 116834230A CN 202311111152 A CN202311111152 A CN 202311111152A CN 116834230 A CN116834230 A CN 116834230A
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- Prior art keywords
- needle tube
- plate
- cavity
- matched
- fine needle
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- 238000002347 injection Methods 0.000 claims abstract description 23
- 239000007924 injection Substances 0.000 claims abstract description 23
- 238000000465 moulding Methods 0.000 claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 238000007906 compression Methods 0.000 claims description 5
- 239000004677 Nylon Substances 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 4
- 229920001778 nylon Polymers 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 239000004033 plastic Substances 0.000 abstract description 6
- 238000001746 injection moulding Methods 0.000 description 10
- 239000000047 product Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000010073 coating (rubber) Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/2602—Mould construction elements
- B29C45/2606—Guiding or centering means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14065—Positioning or centering articles in the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/753—Medical equipment; Accessories therefor
- B29L2031/7544—Injection needles, syringes
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The application relates to the field of molds, in particular to a molding mold structure for molding a fine needle tube in an embedded mode. The upper die part comprises an upper die seat plate, a stripper plate and an upper die plate which are sequentially arranged, wherein the upper die plate is matched with the lower die plate; and a fine needle tube carrier is provided in the lower mold cavity portion, and a fine needle injection cavity which is matched with the fine needle tube carrier is provided in the upper mold cavity portion. According to the micro needle tube plastic-embedding forming die structure, the needle points of the micro needle tubes can be effectively protected through the cooperation of the lower die base plate, the pushing mechanism mounting cavity, the lower die base plate, the lower die plate, the upper die base plate, the stripper plate, the upper die plate, the micro needle tube carrier, the micro needle injection cavity and the like; the needle tube can be effectively positioned in the mould; the needle tube can be smoothly placed into the die, and the phenomenon of falling does not occur; can avoid the inner hole of the needle tube from being blocked by the plastic melt.
Description
Technical Field
The application relates to the field of molds, in particular to a molding mold structure for molding a fine needle tube in an embedded mode.
Background
In the cosmetic field, can use injection apparatus product, this product is through injection moulding with injection needle tube parcel in the plastic, and the syringe needle external diameter is only 0.23mm, and inside has the injection hole that the injection passed through, and the aperture is 0.15mm, and the needle point angle is only 18.2, and is very sharp-pointed, and is very easily bumped, and current mould technique hardly realizes this product injection moulding rubber coating shaping, and mould injection moulding production degree of automation is low, and injection moulding product quality can't accurate management and control, and the rejection rate is higher.
The prior art mainly has the following technical difficulties:
1. in the process of placing the needle tube into a mould, the needle tip is easy to collide to cause damage, so that the use function of a final product is affected;
2. because the needle tube is very tiny, the needle tube is easy to fall off in the process of being placed into the mould independently, and is difficult to find and clean in the mould cavity;
3. the needle tube is placed into the die, the positioning section in the lower die cavity part is relatively short and only 0.7mm, so that the needle tube is directly placed into the die, the needle tube is easy to fall off, and the upper die is easy to crush when being closed downwards;
4. in the injection molding process of the mold, the plastic melt is very easy to block the inner hole of the needle tube, so that the injection function of the needle tube is lost.
5. The injection needle tube is directly placed into the mould, and because the needle tube is very tiny, the automatic injection production of the contact pin is difficult to realize by using a manipulator.
Therefore, in order to solve the above technical difficulties, a novel mold structure needs to be researched and designed.
Disclosure of Invention
Aiming at the defects in the prior art, the application provides a micro needle tube plastic-embedding forming die structure.
The technical scheme adopted by the application is as follows: the fine needle tube plastic-embedding forming die structure comprises an upper die part and a lower die part which are matched with each other, wherein the lower die part comprises a lower die base plate, a pushing mechanism mounting cavity, a lower die base plate and a lower die plate which are sequentially arranged, the upper die part comprises an upper die base plate, a stripper plate and an upper die plate which are sequentially arranged, and the upper die plate is matched with the lower die plate; the lower mold plate is provided with a lower mold cavity part, the lower mold cavity part is provided with a micro needle tube carrier, the upper mold plate is provided with an upper mold cavity part, and the upper mold cavity part is provided with a micro needle injection molding cavity matched with the micro needle tube carrier.
In order to better realize the application, the four corners of the lower template are respectively provided with a template guiding and positioning hole, and the upper template is provided with a corresponding template guiding and positioning column.
In order to better realize the application, the four corners of the lower model cavity part are respectively provided with a model cavity guiding and positioning hole, and the upper model cavity part is provided with a corresponding model cavity guiding and positioning column.
In order to better realize the application, the upper template is provided with a distance pull rod and a nylon mode locker which are matched with the lower template.
In order to better realize the application, the micro needle tube carrier comprises a cavity main body, a core and a spring fixing seat are arranged in the cavity main body, the left end of the core extends out of the cavity main body, the right end of the core is matched with the spring fixing seat, and the right end of the cavity main body is provided with a cover plate for sealing the spring fixing seat and is matched with a locking screw; the needle tube mounting seat is matched in the mold core.
In order to better realize the application, a spring cavity is arranged in the spring fixing seat, and a built-in push rod which passes through the spring cavity to reach the needle tube mounting seat to be matched with a fine needle tube in the needle tube mounting seat is matched in the spring cavity; a spring sleeved on the built-in push rod is arranged in the spring cavity, and the spring is limited between the left end of the spring cavity and the step at the right end of the built-in push rod; push holes corresponding to the positions of the built-in push rods are formed in the cover plate.
In order to better realize the application, a driving cylinder is arranged in the lower die seat plate, a telescopic rod of the driving cylinder is connected with a built-in push plate, and the built-in push plate comprises an ejection back plate at the bottom and an ejection plate at the upper part; the bottom of the lower die cushion plate is provided with a guide post which freely penetrates through the ejector plate, and a compression spring is matched on the guide post; the middle part of the ejector plate is provided with an ejector seat, a fine needle tube ejector assembly is arranged on the ejector seat, and the fine needle tube ejector assembly freely penetrates through the lower die cushion plate and is matched with the pushing hole.
In order to better realize the application, the injection molding clamping seat of the needle tube, which corresponds to the position of the needle tube mounting seat, is arranged in the injection molding cavity of the micro needle.
In order to better realize the application, the two sides of the micro needle injection cavity are matched with a first mode locking sliding block and are matched with corresponding first mode locking springs, and the two sides of the first mode locking sliding block are also matched with loose core square pins.
In order to better realize the application, the two sides of the micro needle tube carrier are provided with second mode locking sliding blocks which are matched with corresponding second mode locking springs.
The beneficial effects of the application are as follows: according to the micro needle tube plastic-embedding forming die structure, the needle points of the micro needle tubes can be effectively protected through the cooperation of the lower die base plate, the pushing mechanism mounting cavity, the lower die base plate, the lower die plate, the upper die base plate, the stripper plate, the upper die plate, the micro needle tube carrier, the micro needle injection cavity and the like; the needle tube can be effectively positioned in the mould; the needle tube can be smoothly placed into the die, and the phenomenon of falling does not occur; can avoid the inner hole of the needle tube from being blocked by the plastic melt.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
FIG. 1 is a schematic diagram of a molding die structure for molding a fine needle tube according to the present application;
FIG. 2 is a schematic view of an upper mold part of the fine needle tube insert molding mold structure of the present application;
FIG. 3 is a schematic view of a lower mold part of the fine needle tube insert molding mold structure of the present application;
FIG. 4 is a schematic view of the inside of the fine needle tube insert molding die structure of the present application;
FIG. 5 is a schematic diagram of a structure of the application in which an upper die plate and a lower die plate of a fine needle tube insert molding die structure are matched;
FIG. 6 is a schematic view of a fine needle tube carrier with a fine needle tube insert molding mold structure according to the present application;
in the drawing, a lower die plate, a 2-pushing mechanism mounting cavity, a 3-lower die cushion plate, a 4-lower die plate, a 5-upper die plate, a 6-stripper plate, a 7-upper die plate, an 8-nylon die locker, a 9-ejection back plate, a 10-ejector plate, a 11-compression spring, a 12-upper die cavity part, a 13-fine needle injection cavity, a 14-die cavity guiding positioning column, a 15-die plate guiding positioning column, a 16-distance pull rod, a 17-lower die cavity part, a 18-die cavity guiding positioning hole, a 19-die plate guiding positioning hole, a 22-fine needle tube carrier, a 23-guiding column, a 24-fine needle tube ejection assembly, a 25-core-pulling square pin, a 26-second die locking spring, a 27-first needle tube injection clamping seat, a 29-locking bolt, a 30-built-in push rod, a 31-spring, a 32-mounting seat, a 32-fine needle tube, a 34-core, a 35-cavity main body, a 36-spring fixing seat, a 37-cover plate.
Detailed Description
Embodiments of the technical scheme of the present application will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present application, and thus are merely examples, and are not intended to limit the scope of the present application.
For the purposes of making the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present disclosure, and it is apparent that the described embodiments are some embodiments of the present disclosure, but not all embodiments. The components of the embodiments of the present disclosure, which are generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
In the description of the present disclosure, it should be noted that, the azimuth or positional relationship indicated by the terms "upper", "inner", etc. are based on the azimuth or positional relationship shown in the drawings, or the azimuth or positional relationship that the disclosed product is conventionally put in use, are merely for convenience of describing the present disclosure and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present disclosure. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In the description of the present disclosure, it should also be noted that, unless explicitly stated and limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this disclosure will be understood by those of ordinary skill in the art in the specific context.
It is noted that unless otherwise indicated, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this application pertains.
Examples:
aiming at the defects in the prior art, as shown in fig. 1 to 6, the micro needle tube plastic-embedding forming die structure comprises an upper die part and a lower die part which are matched with each other, wherein the lower die part comprises a lower die base plate 1, a pushing mechanism mounting cavity 2, a lower die base plate 3 and a lower die plate 4 which are sequentially arranged, the upper die part comprises an upper die base plate 5, a stripper plate 6 and an upper die plate 7 which are sequentially arranged, and the upper die plate 7 is matched with the lower die plate 4; a lower mold cavity portion 17 is provided on the lower mold plate 4, a fine needle tube carrier 22 is provided in the lower mold cavity portion 17, an upper mold cavity portion 12 is provided on the upper mold plate 7, and a fine needle injection cavity 13 which is matched with the fine needle tube carrier 22 is provided in the upper mold cavity portion 12. The die clamping device is characterized by further comprising a die clamping bolt 29, wherein the upper die base plate 5, the stripper plate 6, the upper die plate 7, the lower die plate 4 and the lower die backing plate 3 are connected through the die clamping bolt 29, and the lower die base plate 1, the pushing mechanism mounting cavity 2, the lower die backing plate 3 and the lower die plate 4 are connected through the die clamping bolt 29. According to the fine needle tube plastic-embedding forming die structure, the needle tip of the fine needle tube 33 can be effectively protected through the cooperation of the lower die base plate 1, the pushing mechanism mounting cavity 2, the lower die cushion plate 3, the lower die plate 4, the upper die base plate 5, the stripper plate 6, the upper die plate 7, the fine needle tube carrier 22, the fine needle injection cavity 13 and the like; the fine needle tube 33 can be positioned efficiently in the mold; the fine needle tube 33 can be smoothly placed into the mold, and the phenomenon of falling does not occur; the blockage of the inner bore of the fine needle tube 33 by the plastic melt can be avoided.
In a possible embodiment, the four corners of the lower template 4 are provided with template guiding and positioning holes 19, and the upper template 7 is provided with corresponding template guiding and positioning posts 15. After such design, the upper template 7 and the lower template 4 can be conveniently and rapidly positioned.
In a possible embodiment, mould cavity guiding and positioning holes 18 are provided in each of the four corners of the lower mould cavity part 17, and corresponding mould cavity guiding and positioning posts 14 are provided in the upper mould cavity part 12. So designed, the lower mold cavity portion 17 and the upper mold cavity portion 12 can be positioned easily and quickly. Preferably, the upper die plate 7 is provided with a distance pull rod 16 and a nylon die locking device 8 which are matched with the lower die plate 4, so that distance and die locking can be facilitated.
In a possible embodiment, the fine needle tube carrier 22 includes a cavity body 35, a core 34 and a spring fixing seat 36 are disposed in the cavity body 35, the left end of the core 34 extends out of the cavity body 35, the right end of the core is matched with the spring fixing seat 36, and a cover plate 37 for sealing the spring fixing seat 36 is disposed at the right end of the cavity body 35 and is matched with a locking screw; a needle tube mount 32 is fitted into the core 34. A spring cavity is arranged in the spring fixing seat 36, and a built-in push rod 30 which passes through the spring cavity to reach the needle tube mounting seat 32 to be matched with the fine needle tube 33 in the spring cavity is matched in the spring cavity; a spring 31 sleeved on the built-in push rod 30 is arranged in the spring cavity, and the spring 31 is limited between the left end of the spring cavity and the step at the right end of the built-in push rod 30; push holes corresponding to the positions of the built-in push rods 30 are formed in the cover plate 37. A driving cylinder is arranged in the lower die seat plate 1, a telescopic rod of the driving cylinder is connected with a built-in push plate, and the built-in push plate comprises an ejection back plate 9 at the bottom and an ejection plate 10 at the upper part; the bottom of the lower die cushion plate 3 is provided with a guide post 23 which freely penetrates through the ejector plate 10, and the guide post 23 is matched with a compression spring 11; the middle part of the ejector plate 10 is provided with an ejector seat, a fine needle tube ejector assembly 24 is arranged on the ejector seat, and the fine needle tube ejector assembly 24 freely passes through the lower die cushion plate 3 and is matched with the pushing hole. The fine needle injection cavity 13 is provided with a needle tube injection holder 28 corresponding to the position of the needle tube mounting holder 32.
In use, the fine needle cannula 33 is first implanted into the cannula mount 32, and then the entire fine needle cannula carrier 22 is implanted into the lower mold cavity portion 17. After the mold is closed, the telescopic rod of the air cylinder extends upwards to drive the ejection backboard 9 and the ejection plate 10 to move upwards, so that the fine needle tube ejection assembly 24 is pushed to move upwards, the fine needle tube ejection assembly 24 extends into the pushing hole to push the built-in push rod 30 to move upwards, the fine needle tube 33 is pushed into the needle tube injection clamping seat 28, and then injection molding is carried out; the telescopic rod of the air cylinder is contracted downwards to drive the ejection backboard 9 to move downwards, the ejection board 10 is also moved downwards under the action of the compression spring 11 to drive the fine needle tube ejection assembly 24 to exit the pushing hole, and the built-in push rod 30 is reset under the action of the spring 31; at this point the mold may be opened to replace the next set of fine needle cannula carriers 22 for the next set of injection molding process. Can effectively protect the needle tip of the fine needle tube 33; the fine needle tube 33 can be positioned efficiently in the mold; the fine needle tube 33 can be smoothly placed into the mold, and the phenomenon of falling does not occur; the blockage of the inner bore of the fine needle tube 33 by the plastic melt can be avoided.
Preferably, the two sides of the microneedle injection cavity 13 are matched with a first mold locking sliding block, and are matched with corresponding first mold locking springs 27, and the two sides of the first mold locking sliding block are also matched with loose core square pins 25. Second mold locking sliders are provided on both sides of the fine needle tube carrier 22, and are fitted with corresponding second mold locking springs 26. After the design is adopted, the mold can be conveniently locked and unlocked.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the application, and are intended to be included within the scope of the appended claims and description.
Claims (10)
1. The micro needle tube plastic-embedding forming die structure is characterized in that: the die comprises an upper die part and a lower die part which are matched with each other, wherein the lower die part comprises a lower die base plate (1), a pushing mechanism mounting cavity (2), a lower die cushion plate (3) and a lower die plate (4) which are sequentially arranged, the upper die part comprises an upper die base plate (5), a stripper plate (6) and an upper die plate (7) which are sequentially arranged, and the upper die plate (7) is matched with the lower die plate (4); a lower mold cavity part (17) is arranged on the lower mold plate (4), a fine needle tube carrier (22) is arranged in the lower mold cavity part (17), an upper mold cavity part (12) is arranged on the upper mold plate (7), and a fine needle injection cavity (13) matched with the fine needle tube carrier (22) is arranged in the upper mold cavity part (12).
2. The fine needle tube insert molding die structure according to claim 1, wherein: the four corners of the lower template (4) are respectively provided with a template guiding and positioning hole (19), and the upper template (7) is provided with a corresponding template guiding and positioning column (15).
3. The fine needle tube insert molding die structure according to claim 2, wherein: mould cavity guiding and positioning holes (18) are formed in four corners of the lower mould cavity part (17), and corresponding mould cavity guiding and positioning columns (14) are arranged on the upper mould cavity part (12).
4. A fine needle tube insert molding die structure according to claim 3, wherein: the upper template (7) is provided with a distance pull rod (16) and a nylon mold locking device (8) which are matched with the lower template (4).
5. The fine needle tube insert molding die structure according to claim 1, wherein: the micro needle tube carrier (22) comprises a cavity main body (35), a core (34) and a spring fixing seat (36) are arranged in the cavity main body (35), the left end of the core (34) extends out of the cavity main body (35), the right end of the core is matched with the spring fixing seat (36), and a cover plate (37) for sealing the spring fixing seat (36) is arranged at the right end of the cavity main body (35) and is matched with a locking screw; a needle tube mounting seat (32) is matched in the core (34).
6. The fine needle cannula insert molding die structure according to claim 5, wherein: a spring cavity is arranged in the spring fixing seat (36), and a built-in push rod (30) which penetrates through the spring cavity to reach the needle tube mounting seat (32) to be matched with a fine needle tube (33) in the needle tube mounting seat is matched in the spring cavity; a spring (31) sleeved on the built-in push rod (30) is arranged in the spring cavity, and the spring (31) is limited between the left end of the spring cavity and the step at the right end of the built-in push rod (30); push holes corresponding to the positions of the built-in push rods (30) are formed in the cover plate (37).
7. The fine needle cannula insert molding die structure according to claim 6, wherein: a driving cylinder is arranged in the lower die base plate (1), a telescopic rod of the driving cylinder is connected with a built-in push plate, and the built-in push plate comprises a bottom ejection back plate (9) and an upper ejection plate (10); a guide post (23) which freely penetrates through the ejector plate (10) is arranged at the bottom of the lower die cushion plate (3), and a compression spring (11) is matched on the guide post (23); the middle part of the ejector plate (10) is provided with an ejector seat, a fine needle tube ejector assembly (24) is arranged on the ejector seat, and the fine needle tube ejector assembly (24) freely passes through the lower die cushion plate (3) and is matched with the pushing hole.
8. The fine needle cannula insert molding die structure according to claim 7, wherein: a needle tube injection clamping seat (28) corresponding to the needle tube mounting seat (32) is arranged in the micro needle injection cavity (13).
9. The fine needle cannula insert molding die structure according to claim 8, wherein: the two sides of the micro needle injection cavity (13) are matched with first mode locking sliding blocks and corresponding first mode locking springs (27), and the two sides of the first mode locking sliding blocks are also matched with loose core square pins (25).
10. The fine needle cannula insert molding die structure according to claim 9, wherein: second mold locking sliding blocks are arranged on two sides of the fine needle tube carrier (22), and are matched with corresponding second mold locking springs (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311111152.4A CN116834230B (en) | 2023-08-31 | 2023-08-31 | Micro needle tube plastic-embedding forming mould structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311111152.4A CN116834230B (en) | 2023-08-31 | 2023-08-31 | Micro needle tube plastic-embedding forming mould structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116834230A true CN116834230A (en) | 2023-10-03 |
| CN116834230B CN116834230B (en) | 2023-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311111152.4A Active CN116834230B (en) | 2023-08-31 | 2023-08-31 | Micro needle tube plastic-embedding forming mould structure |
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| Country | Link |
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| CN (1) | CN116834230B (en) |
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