CN209699779U - Production injection mold with back-off structure - Google Patents

Production injection mold with back-off structure Download PDF

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Publication number
CN209699779U
CN209699779U CN201920253933.XU CN201920253933U CN209699779U CN 209699779 U CN209699779 U CN 209699779U CN 201920253933 U CN201920253933 U CN 201920253933U CN 209699779 U CN209699779 U CN 209699779U
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block
plate
lift splits
interior angled
plane
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CN201920253933.XU
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Chinese (zh)
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何来
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CREATIVE PLASTIC INDUSTRY (SUZHOU) Co Ltd
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CREATIVE PLASTIC INDUSTRY (SUZHOU) Co Ltd
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Abstract

The utility model discloses a kind of production injection mold with back-off structure, including cope plate, upper cores, lower template, lower mode, support plate, ejector retainner plate, interior angled-lift splits and interior angled-lift splits shovel base, support plate is set to the lower section of lower template, interior angled-lift splits shovel base is fixed on support plate, interior angled-lift splits are set in lower mode, the lower end of interior angled-lift splits matches connection with the inclined-plane that interior angled-lift splits shovel base by inclined-plane, the upper end of interior angled-lift splits is equipped with the first forming part for the first back-off on shaped article, ejector retainner plate is set to the lower section of support plate, the two sides of ejector retainner plate are connected separately with pushing block, groove is respectively equipped on the two sidewalls of lower template, block and compressed spring are equipped in groove, the two sides of support plate are connected separately with limited block, driving inclined-plane is equipped on the inside of limited block, cooperation corresponding with driving inclined-plane inclined-plane is equipped on the outside of block.A kind of production injection mold with back-off structure of the utility model, is conducive to the smooth depanning of product, and can save die space.

Description

Production injection mold with back-off structure
Technical field
The utility model relates to a kind of production injection mold with back-off structure.
Background technique
Injection mold is a kind of tool for producing plasthetics, is referred specifically to the plastics of heated thawing by the high injection of injection molding machine Enter die cavity, after cooling and solidifying, obtains formed products.Back-off is plastic product to meet and being assembled and used with demand and be arranged on product The part of protrusion or recess, the direct disengaging of product when the presence of back-off prevents upper mould and lower die to separate, it is therefore desirable to De- back-off mechanism is set on mold, but the biggish die space of existing de- back-off mechanism occupancy, cause mold body compared with Greatly, higher cost;In conclusion it is simple to need to design a kind of structure to solve the deficiency in existing mold structure, mold is saved Space, save the cost and the injection mold being easily worked.
Utility model content
The purpose of this utility model is to provide a kind of the production injection mold with back-off structure, structure conjunction Reason is conducive to the smooth depanning of product, improves yields, and can save the space of mold, reduces the production cost of mold.
To achieve the above object, the technical solution of the utility model is to design a kind of production use with back-off structure Injection mold, including upper die and lower die, the upper mold include cope plate and upper cores, and the lower die includes lower template and lower die Benevolence, the upper cores and lower mode match the product type chamber to be formed for shaped article, and the bottom surface of the product is equipped with first Back-off;The injection mold further includes secondary ejecting mechanism and the first de- back-off mechanism, and the described first de- back-off mechanism includes branch Board, interior angled-lift splits and interior angled-lift splits shovel base, and the support plate is set to the lower section of lower template, the lower end of the interior angled-lift splits shovel base It is fixed on support plate, the lower template, which is equipped with, shovels the perforative channel of base for interior angled-lift splits, and the bottom of the lower mode is equipped with The accommodating cavity being connected to channel, the inside of the lower mode are equipped with the oblique chute being connected to accommodating cavity, the interior angled-lift splits shovel base Upper end connected pathways is placed in accommodating cavity, and the interior angled-lift splits are slidably disposed in oblique chute, under the interior angled-lift splits End matches connection with the inclined-plane that interior angled-lift splits shovel base by inclined-plane, and the upper end of the interior angled-lift splits is equipped with the first forming part, described Be equipped with shaped insert in lower mode, the shaped insert and the first forming part match to be formed for form first be buckled to first fall Button-type chamber;The secondary ejecting mechanism includes the ejector retainner plate below support plate, and the two sides of the ejector retainner plate, which are connected separately with, to push away Block is respectively equipped with groove on the two sidewalls of the lower template, block is equipped in the groove and is connected on the inside of block Compressed spring, the block are located at the top of pushing block, and the two sides of the support plate are connected separately with limited block, the limited block position In the outside of block, and the inside of limited block is equipped with the driving inclined-plane being located above block, and the outside of the block is equipped with and drive The dynamic corresponding cooperation inclined-plane in inclined-plane.
Preferably, the bottom surface of the product is additionally provided with the second back-off, which is located at the edge of product bottom surface;Institute Stating injection mold further includes the second de- back-off mechanism, which includes being set to the inclined guide pillar of cope plate and being set to down The sliding block of template, the sliding block are equipped with slanting guide pillar hole, and the inside of the sliding block is equipped with the second forming part, connects on the ejector retainner plate There are straight mandril and tilted footstock, the tilted footstock is equipped with sliding slot, is slidably connected with angle ejector rod in the sliding slot, the angle ejector rod Upper end is equipped with slanted kicking block, and the slanted kicking block and the second forming part match the second back-off type chamber to be formed for forming the second back-off.
Preferably, the ejector retainner plate includes upper ejector retainner plate and lower ejector retainner plate.
Preferably, the upper mold further includes water gap plate and stripper plate, and the stripper plate is located at the top of cope plate, institute State the top that water gap plate is located at stripper plate.
The working principle of the utility model are as follows: when injection mold die sinking, cope plate and lower template are opened between the two, sliding Block will move under the action of inclined guide pillar to the direction far from product, and the second forming part on sliding block is made to be detached from second on product Back-off;Then upper ejector retainner plate and lower ejector retainner plate start to eject, and drive pushing block uplink, since block is blocked in the top of pushing block, Therefore contact the bottom surface with block when pushing block uplink, and push block uplink together, lower template uplink is driven by block, makes lower die Plate and support plate are opened between the two, and interior angled-lift splits will along oblique chute downlink, meanwhile, driving inclined-plane and gear on limited block Block to apply pressure to block, and is finally completely forced into groove, makes pushing block and block by the cooperation contact of incline plane on block Bottom surface disengage, at this point, the first forming part of interior angled-lift splits completely disengage on product first back-off, complete for the first time push up Out;Then upper ejector retainner plate and lower ejector retainner plate continue uplink, since block has been pressed into groove, therefore lower template will no longer uplink, By straight mandril and angle ejector rod by product from mold ejection;Also, when angle ejector rod is in ejecting product, angle ejector rod will be along tilted footstock On sliding slot translate a distance, so that slanted kicking block on angle ejector rod is detached from the second back-off of product, ejected to complete second, Finally take out product.
The utility model has the following beneficial effects: being conducive to the smooth depanning of product, yields is improved, and mold can be saved Space, reduce the production cost of mold.
Detailed description of the invention
Fig. 1 is schematic diagram of the utility model in the state of molding.
Fig. 2 is the enlarged drawing in Fig. 1 at A.
Fig. 3 is the enlarged drawing in Fig. 1 at B.
Fig. 4 is schematic diagram of the utility model when first time ejecting state.
Fig. 5 is the enlarged drawing in Fig. 4 at C.
Fig. 6 is the enlarged drawing in Fig. 4 at D.
Fig. 7 is schematic diagram of the utility model in second of ejection state.
Fig. 8 is the schematic diagram of product in the utility model.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is further described.Implement below Example is only used for clearly illustrating the technical solution of the utility model, and cannot be used as a limitation the protection model of limitation the utility model It encloses.
The technical solution of the utility model specific implementation is:
As shown in Figures 1 to 8, a kind of production injection mold with back-off structure, including upper die and lower die, institute Stating upper mold includes cope plate 1 and upper cores 2, and the lower die includes lower template 3 and lower mode 4, the upper cores 2 and lower mode 4 The product type chamber to be formed for shaped article 5 is matched, the bottom surface of the product 5 is equipped with the first back-off 51;The injection mold It further include secondary ejecting mechanism and the first de- back-off mechanism, the described first de- back-off mechanism includes support plate 6,7 and of interior angled-lift splits Interior angled-lift splits shovel base 8, and the support plate 6 is set to the lower section of lower template 3, and the lower end of the interior angled-lift splits shovel base 8 is fixed on bearing On plate 6, the lower template 3, which is equipped with, shovels the perforative channel of base 8 for interior angled-lift splits, and the bottom of the lower mode 4 is equipped with and channel The accommodating cavity of connection, the inside of the lower mode 4 are equipped with the oblique chute being connected to accommodating cavity, the upper end of the interior angled-lift splits shovel base 8 Connected pathways is placed in accommodating cavity, and the interior angled-lift splits 7 are slidably disposed in oblique chute, the lower end of the interior angled-lift splits 7 Connection is matched with the inclined-plane that interior angled-lift splits shovel base 8 by inclined-plane, and the upper end of the interior angled-lift splits 7 is equipped with the first forming part 71, institute It states and is equipped with shaped insert 9 in lower mode 4, the shaped insert 9 and the first forming part 71 match to be formed for forming the first back-off 51 the first back-off type chamber;The secondary ejecting mechanism includes the ejector retainner plate set on 6 lower section of support plate, the two sides point of the ejector retainner plate It is not connected with pushing block 10, groove is respectively equipped on the two sidewalls of the lower template 3, block 11 is installed in the groove and connects The compressed spring 12 in 11 inside of block is connect, the block 11 is located at the top of pushing block 10, and the two sides of the support plate 6 connect respectively It is connected to limited block 13, the limited block 13 is located at the outside of block 11, and the inside of limited block 13 is equipped with and is located at 11 top of block Driving inclined-plane 131, the outside of the block 11 is equipped with cooperation inclined-plane 111 corresponding with driving inclined-plane 131.
The bottom surface of the said goods 5 is additionally provided with the second back-off 52, which is located at the edge of 5 bottom surface of product;On Stating injection mold further includes the second de- back-off mechanism, which includes being set to the inclined guide pillar 14 of cope plate 1 and setting In the sliding block 15 of lower template 3, sliding block 15 is equipped with slanting guide pillar hole, and the inside of sliding block 15 is equipped with the second forming part 151, above-mentioned thimble Straight mandril 16 and tilted footstock 17 are connected on plate, tilted footstock 17 is equipped with sliding slot, is slidably connected with angle ejector rod 18 in sliding slot, The upper end of angle ejector rod 18 is equipped with slanted kicking block 19, and slanted kicking block 19 and the second forming part 151 match to be formed for forming the second back-off 52 the second back-off type chamber.
Above-mentioned ejector retainner plate includes upper ejector retainner plate 20 and lower ejector retainner plate 21.
Above-mentioned upper mold further includes water gap plate 22 and stripper plate 23, and stripper plate 23 is located at the top of cope plate 1, water gap plate 22 are located at the top of stripper plate 23.
The working principle of the utility model are as follows: when injection mold die sinking, cope plate 1 and lower template 3 are opened between the two, Sliding block 15 will move under the action of inclined guide pillar 14 to the direction far from product 5, be detached from the second forming part 151 on sliding block 15 The second back-off 52 on product 5;Then upper ejector retainner plate 20 and lower ejector retainner plate 21 start to eject, and drive 10 uplink of pushing block, due to Block 11 is blocked in the top of pushing block 10, therefore will contact with the bottom surface of block 11 when 10 uplink of pushing block, and push block 11 together Uplink drives 3 uplink of lower template by block 11, opens lower template 3 and support plate 6 between the two, and interior angled-lift splits 7 are by edge Oblique chute downlink, meanwhile, the driving inclined-plane 131 on limited block 13 is contacted with the cooperation inclined-plane 111 on block 11, thus to block 11 apply pressure, and finally block 11 is completely forced into groove, disengage pushing block 10 and the bottom surface of block 11, at this point, First forming part 71 of interior angled-lift splits 7 completely disengages the first back-off 51 on product 5, completes to eject for the first time;Then upper thimble Plate 20 and lower ejector retainner plate 21 continue uplink, since block 11 has been pressed into groove, therefore lower template 3 will no longer uplink, You Zhiding Bar 16 and angle ejector rod 18 are by product 5 from mold ejection;Also, when angle ejector rod 18 is in ejecting product 5, angle ejector rod 18 will be along oblique Sliding slot on footstock 17 translates a distance, so that the slanted kicking block 19 on angle ejector rod 18 is detached from the second back-off 52 of product 5, thus complete It is ejected at second, finally takes out product 5.
The utility model has the following beneficial effects: being conducive to the smooth depanning of product 5, yields is improved, and mould can be saved The space of tool reduces the production cost of mold.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art For art personnel, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, these change It also should be regarded as the protection scope of the utility model into retouching.

Claims (4)

1. a kind of production injection mold with back-off structure, which is characterized in that including upper die and lower die, the upper mold Including cope plate and upper cores, the lower die includes lower template and lower mode, and the upper cores and lower mode match to form use In the product type chamber of shaped article, the bottom surface of the product is equipped with the first back-off;The injection mold further includes Double-ejection machine Structure and the first de- back-off mechanism, the described first de- back-off mechanism include support plate, interior angled-lift splits and interior angled-lift splits shovel base, the branch Board is set to the lower section of lower template, and the lower end of the interior angled-lift splits shovel base is fixed on support plate, and the lower template, which is equipped with, to be supplied Interior angled-lift splits shovel the perforative channel of base, and the bottom of the lower mode is equipped with the accommodating cavity being connected to channel, the inside of the lower mode Equipped with the oblique chute being connected to accommodating cavity, the upper end connected pathways of the interior angled-lift splits shovel base is placed in accommodating cavity, described interior Angled-lift splits are slidably disposed in oblique chute, and the lower end of the interior angled-lift splits is matched by inclined-plane with the inclined-plane that interior angled-lift splits shovel base Connection, and the upper end of the interior angled-lift splits is equipped with the first forming part, is equipped with shaped insert in the lower mode, the shaped insert and the One forming part matches the first back-off type chamber to be formed for forming the first back-off;The secondary ejecting mechanism includes being set to bearing Ejector retainner plate below plate, the two sides of the ejector retainner plate are connected separately with pushing block, are respectively equipped with groove on the two sidewalls of the lower template, The compressed spring for being equipped with block in the groove and being connected on the inside of block, the block is located at the top of pushing block, described The two sides of support plate are connected separately with limited block, and the limited block is located at the outside of block, and the inside of limited block is equipped with and is located at The outside of driving inclined-plane above block, the block is equipped with cooperation corresponding with driving inclined-plane inclined-plane.
2. the production injection mold according to claim 1 with back-off structure, which is characterized in that the product Bottom surface be additionally provided with the second back-off, this second back-off be located at product bottom surface edge;The injection mold further includes second de- It is buckled to mechanism, which includes the sliding block set on the inclined guide pillar of cope plate and set on lower template, on the sliding block Equipped with slanting guide pillar hole, the inside of the sliding block is equipped with the second forming part, is connected with straight mandril and tilted footstock on the ejector retainner plate, described Tilted footstock is equipped with sliding slot, is slidably connected with angle ejector rod in the sliding slot, and the upper end of the angle ejector rod is equipped with slanted kicking block, the oblique top Block and the second forming part match the second back-off type chamber to be formed for forming the second back-off.
3. the production injection mold according to claim 2 with back-off structure, which is characterized in that the thimble Plate includes upper ejector retainner plate and lower ejector retainner plate.
4. the production injection mold according to claim 3 with back-off structure, which is characterized in that the upper mold It further include water gap plate and stripper plate, the stripper plate is located at the top of cope plate, and the water gap plate is located at stripper plate Top.
CN201920253933.XU 2019-02-28 2019-02-28 Production injection mold with back-off structure Active CN209699779U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920253933.XU CN209699779U (en) 2019-02-28 2019-02-28 Production injection mold with back-off structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920253933.XU CN209699779U (en) 2019-02-28 2019-02-28 Production injection mold with back-off structure

Publications (1)

Publication Number Publication Date
CN209699779U true CN209699779U (en) 2019-11-29

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115027004A (en) * 2022-06-02 2022-09-09 创意塑胶工业(苏州)有限公司 Ejecting demoulding structure of injection mould

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115027004A (en) * 2022-06-02 2022-09-09 创意塑胶工业(苏州)有限公司 Ejecting demoulding structure of injection mould

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