CN210501152U - Micropore injection molding mold - Google Patents

Micropore injection molding mold Download PDF

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Publication number
CN210501152U
CN210501152U CN201920601260.2U CN201920601260U CN210501152U CN 210501152 U CN210501152 U CN 210501152U CN 201920601260 U CN201920601260 U CN 201920601260U CN 210501152 U CN210501152 U CN 210501152U
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CN
China
Prior art keywords
die
insert
mould
movable
cavity
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Withdrawn - After Issue
Application number
CN201920601260.2U
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Chinese (zh)
Inventor
孙溢
周斌
洪洁
刘靖
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MEDICAL INTERNATIONAL TECHNOLOGIES (MIT CANADA) Inc
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MEDICAL INTERNATIONAL TECHNOLOGIES (MIT CANADA) Inc
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Priority to CN201920601260.2U priority Critical patent/CN210501152U/en
Application granted granted Critical
Publication of CN210501152U publication Critical patent/CN210501152U/en
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Abstract

The utility model provides a micropore injection moulding mould, comprises an upper die and a lower die, be equipped with the cavity in going up the mould, be equipped with in the lower mould and insert, the head of inserting is sharp needle-like, be equipped with in the die cavity and insert two extrusion pieces of head complex, two the both ends that the extrusion piece set up relatively are equipped with and insert head complex shutoff groove, two the extrusion piece with go up mould sliding connection, two be equipped with the drive on the extrusion piece is close to or keeps away from the drive assembly of the head of inserting. The utility model provides a pair of micropore injection moulding mould adopts two extrusion pieces to seal the sharp needle-like position of head of inserting, and the formation micropore of moulding plastics, mould life prolongs greatly, and the micropore can one shot forming, does not need later stage secondary operation, and the outer wall all does not have the joint line in the flourishing liquid medicine department of product, and the outward appearance is more clear good-looking, can guarantee microporous concentricity hundredthly moreover, and product quality is good.

Description

Micropore injection molding mold
Technical Field
The utility model relates to an injection moulding mould technical field especially relates to a micropore injection moulding mould.
Background
A needleless syringe, also known as a pulse delivery syringe, is a highly sensitive device powered by a standard, reusable carbon dioxide canister, compressed gas and a pressure inflation amplifier to inject the drug directly through the skin and corresponding tissue layers.
The working principle of the needleless injector is as follows: the needleless injector does not need a needle for injection, and the super strong special spring is adopted to form a superfine liquid beam by the liquid medicine through the ampoule bottle to be pressed into the skin, so that the duration time for injection is short, and the needleless injector is painless, silent, safe and quick.
At present, needle-free injectors generally adopt to stab into soft material with needle-shaped mold insert, form the micropore through injection moulding, but the mould is after the mould is opened the die assembly many times, and the easy wearing and tearing of mould tip lead to the micropore precision that the processing was come out to be low, and the mould is short-lived.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: in order to overcome the defects in the prior art, the utility model provides a micropore injection molding mould.
The utility model provides a technical scheme that its technical problem will adopt is: a microcellular injection molding mold, comprising:
the upper die and the lower die (2) are matched to form a cavity for forming, and the cavity comprises a main cavity of a forming main body and a micropore cavity for forming micropores;
the insert is arranged in the cavity;
a flow passage in communication with the chamber for injecting a fluid;
means are provided for cladding a portion of the insert at the tip thereof when the dies are closed to form said micro-cavity.
Furthermore, a cavity is arranged in the upper die, an insert is arranged in the lower die, the head of the insert is in a sharp needle shape, two extrusion blocks matched with the head of the insert are arranged in the cavity, two opposite ends of the two extrusion blocks are provided with plugging grooves matched with the head of the insert, the two extrusion blocks are in sliding connection with the upper die, and a driving assembly for driving the extrusion blocks to be close to or far away from the head of the insert is arranged on the two extrusion blocks.
The upper die is internally provided with a cavity, the lower die is internally provided with an insert, the cavity is matched with the insert, injection molding is carried out in the cavity, the two extrusion blocks are matched with each other, the two plugging grooves are used for sealing the tapered part of the head of the insert, required micropores are formed during injection molding, the extrusion blocks are close to each other to seal the tapered part of the head of the insert to form high-precision micropores when the driving assembly is used for injection molding, the extrusion blocks are kept away from each other after injection molding is completed, and products are conveniently taken out.
Further, drive assembly includes cover half and roof, the roof is located the cover half top the cover half cover is located go up the mould outside, be equipped with on the cover half two with the first spout of extrusion piece complex, the first spout outside is equipped with the second spout, be equipped with the cover half slider in the second spout, the cover half slider with extrusion piece fixed connection, be equipped with the spread groove from the top down to the slope of second spout outside direction on the cover half slider, second spout upper end is equipped with the third spout, be equipped with the connecting block in the third spout, the connecting block upper end with roof fixed connection, the connecting block lower extreme be equipped with spread groove complex drive division, the drive division with spread groove sliding connection.
After the completion of moulding plastics, with the roof pulling that makes progress, the roof is used for driving the connecting block and shifts up, and the spread groove cooperation on drive division and the cover half slider when connecting block rebound makes the cover half slider move to the outside to drive the extrusion piece and keep away from each other, expose the product upper end.
Furthermore, the lower end of the fixed die is provided with two movable dies, two movable die sliding blocks which are arranged oppositely are arranged between the movable dies and the fixed die and are in sliding connection with the movable dies, one ends, close to each other, of the two movable die sliding blocks are provided with semicircular thread grooves, the lower end of the fixed die is provided with an inclined guide pillar matched with the movable die sliding blocks, the inclined guide pillar inclines towards the outer side of the fixed die from top to bottom, and the two movable die sliding blocks are close to each other under the action of the inclined guide pillar to form a thread part of a product.
Set up semi-circular thread groove on the movable mould slider and be used for mutually supporting, form the screw portion of product when moulding plastics, the back of accomplishing of moulding plastics, roof and cover half separated certain distance because under the screw effect, can not continue to open, and the movable mould slider outwards removes under the effect of oblique guide pillar this moment, exposes product lower extreme screw portion.
Furthermore, a plug matched with the lower end of the cavity is arranged between the movable die and the movable die slide block, a bottom plate is arranged at the lower end of the movable die, an insert is arranged on the bottom plate and penetrates through the movable die to extend to the position below the plug, the lower end of the insert penetrates through the plug and is fixedly connected with the insert, the insert is of a structure with a small top and a large bottom, a plurality of ejector rods are arranged on the movable die, the upper ends of the ejector rods are rotatably connected with the movable die, and the lower ends of the ejector rods are in threaded connection with the bottom plate.
The sprue is used for sealing the cavity, avoids outside the injection molding material spills over the cavity, and the mold insert is used for fixed inserting, and the top rod drives the movable mould and is close to or keeps away from the bottom plate when being used for the rotation, and when the bottom plate was kept away from to top rod drive movable mould, insert along with the mold insert position is motionless, when the movable mould shifts up and exposes the head of inserting, the product was freely fallen out this moment, takes out the product back, and the compound die is moulded plastics next time.
Furthermore, in order to improve the processing efficiency, a plurality of products are produced at one time, the upper die is provided with a plurality of cavities, the lower die is provided with a plurality of shunting channels communicated with the cavities, and the shunting channels are communicated with a pouring system.
The utility model has the advantages that: the utility model provides a pair of micropore injection moulding mould adopts two extrusion pieces to seal the sharp needle-like position of head of inserting, and the formation micropore of moulding plastics, mould life prolongs greatly, and the micropore can one shot forming, does not need later stage secondary operation, and the outer wall all does not have the joint line in the flourishing liquid medicine department of product, and the outward appearance is more clear good-looking, can guarantee microporous concentricity hundredthly moreover, and product quality is good.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a schematic structural diagram of a preferred embodiment of the present invention;
FIG. 2 is an enlarged schematic view of A of FIG. 1;
FIG. 3 is a schematic view of the moving direction of the fixed mold slide block when the top plate moves upwards;
FIG. 4 is an enlarged schematic view of B of FIG. 1;
FIG. 5 is a schematic view of the moving direction of the moving mold slide when the fixed mold moves upwards.
In the figure: 1. the die comprises an upper die, a lower die, a fixed die, an insert, a pressing block, a fixed die, a top plate, a fixed die sliding block, a connecting block, a driving part, a movable die sliding block, a connecting block, an inclined guide column, a driving part, a movable die sliding block, a guide column 12, an inclined guide column 13, a blocking block, a bottom plate, a mold insert 15, an insert piece 16.
Detailed Description
The present invention will now be described in detail with reference to the accompanying drawings. This figure is a simplified schematic diagram, and merely illustrates the basic structure of the present invention in a schematic manner, and therefore it shows only the constitution related to the present invention.
As shown in fig. 1-5, the utility model discloses a micropore injection moulding mould, including last mould 1 and lower mould 2, upward be equipped with die cavity 17 in the mould 1, be equipped with insert 3 in the lower mould 2, 3 heads of inserting are sharp needle-like, be equipped with in the die cavity 17 with insert 3 head complex two extrusion pieces 4, two the relative both ends that set up of extrusion piece 4 are equipped with insert 3 head complex shutoff grooves, two extrusion piece 4 with go up mould 1 sliding connection, two be equipped with the drive on the extrusion piece 4 is close to or keeps away from the drive assembly of 3 heads of inserting.
Drive assembly includes cover half 5 and roof 6, roof 6 is located 5 tops of cover half 5 the cover half is located go up the mould 1 outside, be equipped with on the cover half 5 two with the first spout of 4 complex of extrusion piece, the first spout outside is equipped with the second spout, be equipped with cover half slider 7 in the second spout, cover half slider 7 with 4 joints of extrusion piece are connected, be equipped with the spread groove from the top down to the slope of second spout outside direction on the cover half slider 7, second spout upper end is equipped with the third spout, be equipped with connecting block 8 in the third spout, 8 upper ends of connecting block with 6 fixed connection of roof, 8 lower extremes of connecting block be equipped with spread groove complex drive division 9, drive division 9 with spread groove sliding connection. When the driving part 9 moves upwards under the driving of the top plate 6, the fixed die block 7 moves outwards under the driving of the driving part 9, and the two extrusion blocks 4 are opened; conversely, when the top plate 6 is pressed down, the two squeezing blocks 4 are close to each other.
The screw is connected between the top plate 6 and the fixed die 5, when the top plate 6 moves upwards for a certain distance, the top plate 6 and the fixed die 5 are fixed, the top plate 6 continues to move upwards, and the fixed die 5 is separated from the movable die 10.
The lower end of the fixed die 5 is provided with two movable dies 10, two movable die sliding blocks 11 which are arranged oppositely are arranged between the movable dies 10 and the fixed die 5, the two movable die sliding blocks 11 are connected with the movable dies 10 in a sliding mode, one ends, close to each other, of the two movable die sliding blocks 11 are provided with semicircular thread grooves, the lower end of the fixed die 5 is provided with an inclined guide pillar 12 matched with the movable die sliding blocks 11, the inclined guide pillar 12 inclines towards the outer side of the fixed die 5 from top to bottom, and the two movable die sliding blocks 11 are close to each other under the action of the inclined guide pillar 12 to.
The fixed die 5 moves upwards, and the movable die slide block 11 is far away from a product under the action of the inclined guide post 12.
A plug 13 matched with the lower end of a cavity 17 is arranged between the movable die 10 and the movable die slide block 11, a bottom plate 14 is arranged at the lower end of the movable die 10, an insert 15 is arranged on the bottom plate 14, the insert 15 penetrates through the movable die 10 and extends to the lower part of the plug 13, the lower end of the insert 3 penetrates through the plug 13 and is fixedly connected with the insert 15, the insert 3 is of a structure with a small top and a large bottom, a plurality of ejector rods 18 are arranged on the movable die 10, the upper ends of the ejector rods 18 are rotatably connected with the movable die 10, and the lower ends of the ejector rods 18 are in threaded connection with the bottom plate 14.
After the movable mold 10 and the fixed mold 5 are completely separated in place, the injection molding machine is connected with a mold forced resetting screw through the ejector rod 18, the insert 15 and the bottom plate 14 are not moved during ejection, the movable mold 10 drives a product to upwards withdraw, the product is taken down by a manipulator or falls freely, after the product is demolded, the forced resetting drives the mold fixed mold 5 to reset, the injection molding machine closes the mold, the injection molding machine returns to a mold closing state, injection molding and filling are continued, and circular production is realized.
The upper die 1 is provided with a plurality of cavities 17, the lower die 2 is provided with a plurality of shunting channels 16 communicated with the cavities 17, and the shunting channels 16 are communicated with a pouring system.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (6)

1. A microcellular injection molding mold, comprising:
the forming die comprises an upper die (1) and a lower die (2), wherein the upper die (1) and the lower die (2) are matched to form a cavity for forming, and the cavity comprises a main cavity of a forming main body and a micropore cavity of a forming micropore;
the insert (3), the insert (3) is arranged in the cavity;
a flow passage in communication with the chamber for injecting a fluid;
the method is characterized in that: the device is a clutch structure, the clutch structure is driven by the die closing and die separating motions of the upper die and the lower die to realize the clutch of the device, the device is closed to clamp one part of the tip of the insert (3) when the upper die and the lower die are closed, and the device is separated to expose the tip of the insert (3) when the upper die and the lower die are separated.
2. The microcellular injection molding mold according to claim 1, wherein: the die is characterized in that a cavity (17) is arranged in the upper die (1), two extrusion blocks (4) matched with the head of the insert (3) are arranged in the cavity (17), two plugging grooves matched with the head of the insert (3) are formed in two opposite ends of each extrusion block (4), the two extrusion blocks (4) are in sliding connection with the upper die (1), and two driving components for driving the extrusion blocks (4) to be close to or far away from the head of the insert (3) are arranged on the extrusion blocks (4).
3. The microcellular injection molding mold according to claim 2, wherein: drive assembly includes cover half (5) and roof (6), roof (6) are located cover half (5) top cover half (5) cover is located go up the mould (1) outside, be equipped with on cover half (5) two with the first spout of extrusion piece (4) complex, the first spout outside is equipped with the second spout, be equipped with cover half slider (7) in the second spout, cover half slider (7) with extrusion piece (4) fixed connection, be equipped with the spread groove of from the top to the slope of second spout outside direction on cover half slider (7), second spout upper end is equipped with the third spout, be equipped with connecting block (8) in the third spout, connecting block (8) upper end with roof (6)
Fixed connection, connecting block (8) lower extreme be equipped with spread groove complex drive division (9), drive division (9) with spread groove sliding connection.
4. The microcellular injection molding mold according to claim 3, wherein: the lower end of the fixed die (5) is provided with a movable die (10), two movable die sliding blocks (11) which are arranged oppositely are arranged between the movable die (10) and the fixed die (5), the two movable die sliding blocks (11) are connected with the movable die (10) in a sliding mode, one ends, close to each other, of the two movable die sliding blocks (11) are provided with semicircular thread grooves, the lower end of the fixed die (5) is provided with an inclined guide pillar (12) matched with the movable die sliding blocks (11), the inclined guide pillar (12) inclines towards the outer side of the fixed die (5) from top to bottom, and the two movable die sliding blocks (11) are close to each other under the action of the inclined guide pillar (12).
5. The microcellular injection molding mold according to claim 4, wherein: be equipped with between movable mould (10) and movable mould slider (11) with die cavity (17) lower extreme complex sprue (13), movable mould (10) lower extreme is equipped with bottom plate (14), be equipped with mold insert (15) on bottom plate (14), mold insert (15) pass movable mould (10) extend to sprue (13) below, insert (3) lower extreme passes sprue (13) with mold insert (15) fixed connection, insert (3) are big-end-down structure, be equipped with a plurality of top rod (18) on movable mould (10), top rod (18) upper end with movable mould (10) rotate to be connected, top rod (18) lower extreme with bottom plate (14) threaded connection.
6. The microcellular injection molding mold according to claim 5, wherein: go up to be equipped with a plurality of die cavities (17) on mould (1), be equipped with on lower mould (2) a plurality of with reposition of redundant personnel passageway (16) of die cavity (17) intercommunication, reposition of redundant personnel passageway (16) and the gating system intercommunication.
CN201920601260.2U 2019-04-28 2019-04-28 Micropore injection molding mold Withdrawn - After Issue CN210501152U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920601260.2U CN210501152U (en) 2019-04-28 2019-04-28 Micropore injection molding mold

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920601260.2U CN210501152U (en) 2019-04-28 2019-04-28 Micropore injection molding mold

Publications (1)

Publication Number Publication Date
CN210501152U true CN210501152U (en) 2020-05-12

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ID=70542286

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920601260.2U Withdrawn - After Issue CN210501152U (en) 2019-04-28 2019-04-28 Micropore injection molding mold

Country Status (1)

Country Link
CN (1) CN210501152U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110239027A (en) * 2019-04-28 2019-09-17 江苏丞宇米特医疗科技有限公司 Micropore injection moulding molding die and its forming method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110239027A (en) * 2019-04-28 2019-09-17 江苏丞宇米特医疗科技有限公司 Micropore injection moulding molding die and its forming method
CN110239027B (en) * 2019-04-28 2024-09-06 江苏丞宇米特医疗科技有限公司 Micropore injection molding die and molding method thereof

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Granted publication date: 20200512

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