CN107718437A - A kind of injection mold for preventing the demoulding from shrinking - Google Patents
A kind of injection mold for preventing the demoulding from shrinking Download PDFInfo
- Publication number
- CN107718437A CN107718437A CN201710828422.1A CN201710828422A CN107718437A CN 107718437 A CN107718437 A CN 107718437A CN 201710828422 A CN201710828422 A CN 201710828422A CN 107718437 A CN107718437 A CN 107718437A
- Authority
- CN
- China
- Prior art keywords
- plate
- cope plate
- lower template
- cope
- demoulding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
-
- 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
- B29C45/0025—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of injection mold for preventing the demoulding from shrinking, including cope plate, lower template and centring ring, the upper surface middle position of the cope plate is provided with stripper plate, cross recess are provided with above the stripper plate, cope plate connecting rod is provided with above the right side of the stripper plate, oblique groove is provided with the left of the stripper plate, the lower right-hand side of the stripper plate is provided with cope plate pin hole, the preceding surface of the cope plate is provided with block, the left outer surface of the cope plate is provided with tongue, the upper surface middle position of the lower template is provided with concave face plate；The both side surface of cope plate is provided with two tongues, the both side surface of lower template is provided with two grooves, after completing work, cope plate and lower template are linked together by two tongues and two grooves, avoid, because staff neglects, causing template to lose, offering convenience to user.
Description
Technical field
The invention belongs to injection mold technology, and in particular to a kind of injection mold for preventing the demoulding from shrinking.
Background technology
Mould be in industrial production being molded, being blow molded, extruding, die casting or obtain the methods of forging forming, smelting, punching press
The various moulds and instrument of required product, in brief, mould is the instrument for making formed article, and this instrument is by various
Part is formed, and different moulds is made up of different parts, and it is mainly realized by the change of institute's moulding material physical state
The processing of article profile, the title of " mother of industry " is known as, under external force turning into blank has given shape and size
The instrument of product, be widely used in punching, die forging, cold-heading, extruding, metallic sintered products compacting, compression casting, and engineering plastics,
In the forming of compression moulding or the injection of the products such as rubber, ceramics.Mould has specific profile or cavity shape, using with
The contour shape of cutting edge can be such that blank is separated by profile wire shaped, can obtain blank using cavity shape corresponding vertical
Shape, mould generally comprise dynamic model and cover half, and two parts, the two is partable, take out product when separating, base is made when closing up
Material injection mold cavity shaping, mould is precision instrument, complex-shaped, bears the expansive force of blank, to structural strength, rigidity, table
Surface hardness, surface roughness and machining accuracy all have higher requirements, and the development level of mould production is the horizontal weight of machine-building
One of indicate, mould is in addition to itself, it is also necessary to which die holder, mould bases, core rod cause product liftout attachment etc., and these parts are general
All be made universal, Mould Enterprise needs to do and does essence greatly, according to the market demand, and the condition such as technology, fund, equipment, it is determined that
Product orientation and market orientation, these ways are especially worth small mould Enterprise Learning and reference, concentrate strength on gradually forming certainly
Oneself technical advantage and product advantage, so, China's Mould Enterprise must actively make great efforts the warp of these advanced enterprises of foreign
Test, so as to its following preferably development.
The existing injection mold in China, when mould extrudes completion, demoulding mouth easily shrinks, and mould is sometimes because poorly sealed
It is close, cause injection to fail, and mould is easily disarrayed, made troubles to user when placing.
The content of the invention
It is an object of the invention to provide a kind of injection mold for preventing the demoulding from shrinking, to solve to carry in above-mentioned background technology
The existing injection mold gone out, mould extrude complete when, demoulding mouth easily shrinks, and mould causes sometimes because poorly sealed close
Injection failure, and mould is easily disarrayed, the problem of being made troubles to user when placing.
To achieve the above object, the present invention provides following technical scheme：A kind of injection mold for preventing the demoulding from shrinking, including
Cope plate, lower template and centring ring, the upper surface middle position of the cope plate are provided with stripper plate, the stripper plate it is upper
Side is provided with cross recess, is provided with cope plate connecting rod above the right side of the stripper plate, is provided with the left of the stripper plate
Oblique groove, the lower right-hand side of the stripper plate are provided with cope plate pin hole, and the preceding surface of the cope plate is provided with block, institute
The left outer surface for stating cope plate is provided with tongue, and the upper surface middle position of the lower template is provided with concave face plate, described
Lower template connecting rod is provided with above the left side of concave face plate, horizontal projection is provided with above the concave face plate, the concave face plate
Lower template pin hole is provided with above right side, oblique projection, the left side appearance of the concave face plate are provided with the right side of the concave face plate
Face setting is fluted, and the centring ring is arranged on the back side middle position of cope plate, and material is provided with below the centring ring
Mouthful, auxiliary material hole is provided with above the right side of the material mouth, the lower right-hand side of the auxiliary material hole is provided with cup head screw,
Lower right-hand side below the left side of the cup head screw close to auxiliary material hole is provided with fastener, is set below the left side of the fastener
Back stitching is equipped with, the both sides of the back stitching bottom are provided with back stitching catapult, banking pin are provided with below the left side of the back stitching catapult,
Top rod hole is provided with the left of the banking pin, is provided with bottom needle plate above the left side in the top rod hole, the bottom needle plate it is upper
Side is provided with face needle plate, and the face needle plate is internally provided with thimble, cushion block, the material mouth are provided with the left of the face needle plate
Left side below be provided with line position plate, be provided with strut on the left of the line position plate, drawing be provided with below the left side of the strut
Bar.
Preferably, the cope plate connecting rod and cope plate pin hole are provided with four, the lower template connecting rod and
Lower template pin hole is provided with four, four corners of the cope plate and lower template by four cope plate connecting rods and
Four lower template pin holes are fixedly connected with four lower template connecting rods and four cope plate pin holes.
Preferably, the oblique groove and cross recess are provided with two, and the horizontal projection and oblique projection are provided with two,
The outer surface of the cope plate and lower template passes through two oblique grooves and two oblique projections and two cross recess and two horizontal projections
It is fixedly connected.
Preferably, the tongue and groove are provided with two, and the both side surface of the cope plate and lower template passes through two
Individual tongue and two grooves are slidably connected.
Preferably, the strut and line position plate are provided with two, are fixedly connected between the strut and line position plate.
Preferably, the back stitching catapult is provided with two, and described two back stitching catapults are distributed in the two of back stitching bottom
Side.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention is scientific and reasonable for structure, safe and convenient to use,
Four cope plate connecting rods and four cope plate pin holes are provided with cope plate, four lower templates are provided with lower template and are connected
Extension bar and four lower template pin holes, the corresponding four cope plate pin holes of four lower template connecting rods, four cope plate connecting rods
Corresponding four lower template pin holes so that what four corners of cope plate and lower template were fixed more stablizes, in the outer of cope plate
Two oblique grooves and cross recess are provided with surface, two oblique grooves are provided with the outer surface of lower template and two tiltedly convex
Block, further such that the fixation of the outer surface of cope plate and lower template is more stable, two supports are internally provided with cope plate
Bar and line position plate, at work, two struts and line position plate cooperate, and are uniformly molded on concave face plate, in lower template
Portion is provided with back stitching, and back stitching coordinates two back stitching catapults at work, and the plastics on mould are ejected, improve existing injection mould
The problem of tool demoulding is shunk, is provided with two tongues in the both side surface of cope plate, the both side surface of lower template is provided with two
Individual groove, after completing work, cope plate and lower template are linked together by two tongues and two grooves, avoided because of work
Personnel neglect, and cause template to lose, are offered convenience to user.
Brief description of the drawings
Fig. 1 is the cope plate structural representation of the present invention；
Fig. 2 is the lower template structural representation of the present invention；
Fig. 3 is the positive structure schematic of the present invention；
In figure：1- cope plates, 2- cross recess, 3- cope plates connecting rod, 4- stripper plates, 5- cope plate pins hole, 6- blocks,
7- tongues, 8- oblique grooves, 9- lower templates, 10- lower templates connecting rod, the horizontal projections of 11-, 12- lower template pins hole, the oblique projections of 13-,
14- grooves, 15- concave face plates, 16- cup heads screw, 17- fasteners, 18- back stitchings, 19- back stitchings catapult, 20- banking pins, 21- tops rod
Hole, 22- thimbles, 23- bottoms needle plate, 24- cushion blocks, 25- faces needle plate, 26- pull bars, 27- struts, 28- line positions plate, 29- material mouths, 30-
Centring ring, 31- auxiliary material holes.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Fig. 1-3 are referred to, the present invention provides a kind of technical scheme：A kind of injection mold for preventing the demoulding from shrinking, including it is upper
Template 1, lower template 9 and centring ring 30, the upper surface middle position of cope plate 1 are provided with stripper plate 4, the top of stripper plate 4
Cross recess 2 are provided with, are provided with cope plate connecting rod 3 above the right side of stripper plate 4, the left side of stripper plate 4 is provided with oblique groove
8, the lower right-hand side of stripper plate 4 is provided with cope plate pin hole 5, and the preceding surface of cope plate 1 is provided with block 6, a left side for cope plate 1
Side external surface is provided with tongue 7, and the upper surface middle position of lower template 9 is provided with concave face plate 15, on the left side of concave face plate 15
Side is provided with lower template connecting rod 10, and the top of concave face plate 15 is provided with horizontal projection 11, is provided with above the right side of concave face plate 15
Lower template pin hole 12, the right side of concave face plate 15 are provided with oblique projection 13, and the left outer surface of concave face plate 15 sets fluted 14,
Centring ring 30 is arranged on the back side middle position of cope plate 1, and the lower section of centring ring 30 is provided with material mouth 29, the right side of material mouth 29
Top is provided with auxiliary material hole 31, and the lower right-hand side of auxiliary material hole 31 is provided with cup head screw 16, a left side for cup head screw 16
Side-lower is provided with fastener 17 close to the lower right-hand side of auxiliary material hole 31, and back stitching 18 is provided with below the left side of fastener 17, returns
The both sides of the bottom of pin 18 are provided with back stitching catapult 19, and banking pin 20 is provided with below the left side of back stitching catapult 19, banking pin 20
Left side is provided with top rod hole 21, is provided with bottom needle plate 23 above the left side in top rod hole 21, the top of bottom needle plate 23 is provided with face pin
Plate 25, face needle plate 25 are internally provided with thimble 22, and the left side of face needle plate 25 is provided with cushion block 24, set below the left side of material mouth 29
Line position plate 28 is equipped with, the left side of line position plate 28 is provided with strut 27, pull bar 26 is provided with below the left side of strut 27.
In the present embodiment, it is preferred that cope plate connecting rod 3 and cope plate pin hole 5 are provided with four, lower template connection
Bar 10 and lower template pin hole 12 are provided with four, and four corners of cope plate 1 and lower template 9 are connected by four cope plates
Extension bar 3 and four lower template pin holes 12 are fixedly connected with four lower template connecting rods 10 and four cope plate pin holes 5, in work
In work, in order to which cope plate 1 and lower template 9 are bolted together, four cope plate connecting rods 3 and four are provided with cope plate 1
Individual cope plate pin hole 5, is provided with four lower template connecting rods 10 and four lower template pin holes 12 in lower template 9, four
The corresponding four cope plate pin holes 5 of lower template connecting rod 10, the corresponding four lower template pin holes 12 of four cope plate connecting rods 3,
So that the 9 four corners' fixations of cope plate 1 and lower template is more stable.
In the present embodiment, it is preferred that oblique groove 8 and cross recess 2 are provided with two, and horizontal projection 11 and oblique projection 13 are all provided with
Be equipped with two, the outer surface of cope plate 1 and lower template 9 by two oblique grooves 8 and two oblique projections 13 and two cross recess 2 and
Two horizontal projections 11 are fixedly connected, and two oblique grooves 8 and cross recess 2 are provided with the outer surface of cope plate 1, in lower template 9
Outer surface on be provided with two oblique grooves 8 and two oblique projections 13 so that the outer surface of cope plate 1 and lower template 9 fix
It is more stable.
In the present embodiment, it is preferred that tongue 7 and groove 14 are provided with two, the both sides table of cope plate 1 and lower template 9
Face is slidably connected by two tongues 7 and two grooves 14, and each mould is to support the use, in order to prevent because staff dredges
Suddenly, cause template to lose, the both side surface of cope plate 1 is provided with two tongues 7, is provided with the both side surface of lower template 9
Two grooves 14, after completing work, cope plate 1 and lower template 9 are linked together by two tongues 7 and two grooves 14,
Avoid, because staff neglects, causing template to lose.
In the present embodiment, it is preferred that strut 27 and line position plate 28 are provided with two, solid between strut 27 and line position plate 28
Fixed connection, in injection, in order to allow the concave face plate 15 of the outer surface of lower template 9 to be uniformly molded, two are internally provided with cope plate 1
Individual strut 27 and line position plate 28, at work, two struts 27 and line position plate 28 cooperate, and are uniformly noted on concave face plate 15
Modeling.
In the present embodiment, it is preferred that back stitching catapult 19 is provided with two, and two back stitching catapults 19 are distributed in back stitching 18
The both sides of bottom, when working progress, in order to prevent mold releasability from shrinking, back stitching 18, back stitching are internally provided with lower template 9
18 coordinate two back stitching catapults 19 at work, and the plastics on mould are ejected, and improve what the existing injection mold demoulding was shunk
Problem.
Auxiliary material hole 31 in the present invention at work, prevents that mold injection amount is few, and auxiliary material hole 31 is further given
Mould material feeding, it is few to make up the shot of material mouth 29, causes mold releasability to shrink.
The operation principle and process for using of the present invention：After the present invention installs, cope plate 1 and lower template 9 are placed into
Job site, cope plate 1 and lower template 9 are bolted together first, four cope plate connecting rods 3 are provided with cope plate 1
With four cope plate pin holes 5, four lower template connecting rods 10 and four lower template pin holes 12 are provided with lower template 9,
The corresponding four cope plate pin holes 5 of four lower template connecting rods 10, the corresponding four lower template pin holes of four cope plate connecting rods 3
12 so that what 9 four corners of cope plate 1 and lower template were fixed more stablizes, and two are provided with the outer surface of cope plate 1
Oblique groove 8 and cross recess 2, two oblique grooves 8 and two oblique projections 13 are provided with the outer surface of lower template 9 so that upper mould
The outer surface of plate 1 and lower template 9 is fixed more stable, and when working progress, centring ring 30 is directed at outside injected plastic, plastics
It is put into from material mouth 29, then adds injected plastic on auxiliary material hole 31, two Hes of strut 27 are internally provided with cope plate 1
Line position plate 28, at work, two struts 27 and line position plate 28 cooperate, and are uniformly molded on concave face plate 15, then descend mould
Back stitching 18 inside plate 9, back stitching 18 coordinate two back stitching catapults 19 at work, and the plastics on mould are ejected, and complete work
Afterwards, cope plate 1 and the wiped clean of lower template 9, because each mould is to support the use, in order to prevent because staff neglects,
Cause template to lose, the both side surface of cope plate 1 is provided with two tongues 7, the both side surface of lower template 9 is provided with two
Groove 14, after completing work, cope plate 1 and lower template 9 are linked together by two tongues 7 and two grooves 14, avoided
Because staff neglects, template is caused to lose, so that next time uses.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of injection mold for preventing the demoulding from shrinking, including cope plate (1), lower template (9) and centring ring (30), its feature exist
In：The upper surface middle position of the cope plate (1) is provided with stripper plate (4), and horizontal stroke is provided with above the stripper plate (4)
Groove (2), the right side top of the stripper plate (4) are provided with cope plate connecting rod (3), and the left side of the stripper plate (4) is set
There is oblique groove (8), the lower right-hand side of the stripper plate (4) is provided with cope plate pin hole (5), the preceding table of the cope plate (1)
Face is provided with block (6), and the left outer surface of the cope plate (1) is provided with tongue (7), the upper surface of the lower template (9)
Middle position is provided with concave face plate (15), and lower template connecting rod (10), institute are provided with above the left side of the concave face plate (15)
State and horizontal projection (11) is provided with above concave face plate (15), lower template pin hole is provided with above the right side of the concave face plate (15)
(12), it is provided with oblique projection (13) on the right side of the concave face plate (15), the left outer surface of the concave face plate (15) is provided with recessed
Groove (14), the centring ring (30) are arranged on the back side middle position of cope plate (1), and the lower section of the centring ring (30) is set
There is material mouth (29), auxiliary material hole (31), the right side of the auxiliary material hole (31) are provided with above the right side of the material mouth (29)
Side-lower is provided with cup head screw (16), and the left side lower section of the cup head screw (16) is under the right side of auxiliary material hole (31)
Side is provided with fastener (17), and back stitching (18), the both sides of back stitching (18) bottom are provided with below the left side of the fastener (17)
Back stitching catapult (19) is provided with, banking pin (20), the banking pin (20) are provided with below the left side of the back stitching catapult (19)
Left side be provided with top rod hole (21), it is described top rod hole (21) left side above be provided with bottom needle plate (23), the bottom needle plate
(23) face needle plate (25) is provided with above, the face needle plate (25) is internally provided with thimble (22), the face needle plate (25)
Left side be provided with cushion block (24), be provided with line position plate (28) below the left side of the material mouth (29), the line position plate (28)
Left side is provided with strut (27), and pull bar (26) is provided with below the left side of the strut (27).
A kind of 2. injection mold for preventing the demoulding from shrinking according to claim 1, it is characterised in that：The cope plate connection
Bar (3) and cope plate pin hole (5) are provided with four, and the lower template connecting rod (10) and lower template pin hole (12) are all provided with
It is equipped with four, four corners of the cope plate (1) and lower template (9) pass through under four cope plate connecting rods (3) and four
Template pin hole (12) is fixedly connected with four lower template connecting rods (10) and four cope plate pin holes (5).
A kind of 3. injection mold for preventing the demoulding from shrinking according to claim 1, it is characterised in that：The oblique groove (8)
Two are provided with cross recess (2), the horizontal projection (11) and oblique projection (13) are provided with two, the cope plate (1)
It is convex by two oblique grooves (8) and two oblique projections (13) and two cross recess (2) and two horizontal strokes with the outer surface of lower template (9)
Block (11) is fixedly connected.
A kind of 4. injection mold for preventing the demoulding from shrinking according to claim 1, it is characterised in that：The tongue (7) and
Groove (14) is provided with two, and the both side surface of the cope plate (1) and lower template (9) passes through two tongues (7) and two
Groove (14) is slidably connected.
A kind of 5. injection mold for preventing the demoulding from shrinking according to claim 1, it is characterised in that：The strut (27) and
Line position plate (28) is provided with two, is fixedly connected between the strut (27) and line position plate (28).
A kind of 6. injection mold for preventing the demoulding from shrinking according to claim 1, it is characterised in that：The back stitching catapult
(19) two are provided with, described two back stitching catapults (19) are distributed in the both sides of back stitching (18) bottom.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710828422.1A CN107718437A (en) | 2017-09-14 | 2017-09-14 | A kind of injection mold for preventing the demoulding from shrinking |
| PCT/CN2018/093248 WO2019052260A1 (en) | 2017-09-14 | 2018-06-28 | Injection mould capable of preventing demoulding shrinkage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710828422.1A CN107718437A (en) | 2017-09-14 | 2017-09-14 | A kind of injection mold for preventing the demoulding from shrinking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107718437A true CN107718437A (en) | 2018-02-23 |
Family
ID=61204660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710828422.1A Pending CN107718437A (en) | 2017-09-14 | 2017-09-14 | A kind of injection mold for preventing the demoulding from shrinking |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107718437A (en) |
| WO (1) | WO2019052260A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109316252A (en) * | 2018-10-17 | 2019-02-12 | 济南市口腔医院 | A kind of device of quick Fabrication temporary crown |
| WO2019052260A1 (en) * | 2017-09-14 | 2019-03-21 | 丁勇军 | Injection mould capable of preventing demoulding shrinkage |
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| CN203485381U (en) * | 2013-08-08 | 2014-03-19 | 浙江工商职业技术学院 | Blocked bond injection mold for sports utility vehicle (SUV) car |
| CN205097473U (en) * | 2015-11-10 | 2016-03-23 | 苏州宇鑫精密模具有限公司 | Flow backward formula forming die |
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| US20020167115A1 (en) * | 2000-02-23 | 2002-11-14 | Yoji Tanaka | Injection molding method and injection mold assembly |
| CN104985758A (en) * | 2015-07-29 | 2015-10-21 | 健大电业制品（昆山）有限公司 | Injection mold capable of preventing product from being damaged under pulling |
| CN206030413U (en) * | 2016-08-29 | 2017-03-22 | 天津联欣盈塑胶科技有限公司 | Injection mold of shrinkproof hole shrinkage porosite |
| CN106976208B (en) * | 2017-03-28 | 2022-09-20 | 神通科技集团股份有限公司 | Die structure capable of avoiding product remaining die |
| CN107718437A (en) * | 2017-09-14 | 2018-02-23 | 南通市众惠模具有限公司 | A kind of injection mold for preventing the demoulding from shrinking |
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2017
- 2017-09-14 CN CN201710828422.1A patent/CN107718437A/en active Pending
-
2018
- 2018-06-28 WO PCT/CN2018/093248 patent/WO2019052260A1/en active Application Filing
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| CN203485381U (en) * | 2013-08-08 | 2014-03-19 | 浙江工商职业技术学院 | Blocked bond injection mold for sports utility vehicle (SUV) car |
| CN205097473U (en) * | 2015-11-10 | 2016-03-23 | 苏州宇鑫精密模具有限公司 | Flow backward formula forming die |
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| 汪平华等: "《PRO/E野火版V2.0中文版 注塑模具设计实操训练教程》", 31 March 2006, 华南理工大学出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019052260A1 (en) * | 2017-09-14 | 2019-03-21 | 丁勇军 | Injection mould capable of preventing demoulding shrinkage |
| CN109316252A (en) * | 2018-10-17 | 2019-02-12 | 济南市口腔医院 | A kind of device of quick Fabrication temporary crown |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019052260A1 (en) | 2019-03-21 |
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Application publication date: 20180223 |