CN108202450B - Mold for forcibly releasing sliding block - Google Patents

Mold for forcibly releasing sliding block Download PDF

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Publication number
CN108202450B
CN108202450B CN201711352120.8A CN201711352120A CN108202450B CN 108202450 B CN108202450 B CN 108202450B CN 201711352120 A CN201711352120 A CN 201711352120A CN 108202450 B CN108202450 B CN 108202450B
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CN
China
Prior art keywords
fixed
thimble
sliding block
core
plate
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.)
Active
Application number
CN201711352120.8A
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Chinese (zh)
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CN108202450A (en
Inventor
王一栋
陈志军
沈松静
俞方敏
邬松松
雷李波
王林明
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.)
Ningbo Fangzheng Tool Co Ltd
Original Assignee
Ningbo Fangzheng Tool Co Ltd
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by Ningbo Fangzheng Tool Co Ltd filed Critical Ningbo Fangzheng Tool Co Ltd
Priority to CN201711352120.8A priority Critical patent/CN108202450B/en
Publication of CN108202450A publication Critical patent/CN108202450A/en
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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
    • B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
    • 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
    • B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
    • B29C45/332—Mountings or guides therefor; Drives therefor
    • 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
    • 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
    • B29C45/401—Ejector pin constructions or mountings

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)

Abstract

The invention discloses a mold for forced demoulding of a sliding block, which improves the qualification rate of a product 01 with a bending bulge 02 and achieves the aim of smooth demoulding, wherein a fixed mold (1) is provided with a first spring movement pipeline (4), a first spring (5) is arranged in the first spring movement pipeline (4), the lower end of the first spring (5) is connected with an elastic needle (6), the fixed mold (1) is provided with an upper fixing plate (7), a lower fixing plate (8) is arranged on the fixed mold core (2), an inlay sleeve (10) is arranged on the fixed mold core (2), the inlay sleeve (10) is fixed with the lower fixing plate (8), the embedding sleeve (10) is internally provided with the sliding block (11), the inlay sleeve (10) and the sliding block (11) are respectively provided with molded surfaces corresponding to the product (01), and the sliding block (11) is provided with a base (13).

Description

Mold for forcibly releasing sliding block
Technical Field
The invention relates to the technical field of injection molds, in particular to a mold with a slide block forcibly detached.
Background
There is a product 01 of protruding 02 of area buckling, and the drawing of patterns mode of prior art designs the piece 03 of loosing core that corresponds with protruding 02 of buckling and carries out the drawing of patterns of loosing core, because the protruding 02 shape of buckling is special, directly with the drawing of patterns defect such as easy product galling, fracture, consequently prior art's drawing of patterns mode, the product percent of pass is low.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention provides the die for forcibly demoulding the sliding block, so that the qualification rate of a product with the bent bulge is improved, and the aim of smoothly demoulding is fulfilled.
The technical scheme adopted by the invention is as follows: provides a mold for forcibly releasing a slide block, which comprises a fixed mold, a fixed mold core fixed on the fixed mold and a movable mold core, the fixed die is provided with a first spring movement pipeline, a first spring is arranged in the first spring movement pipeline, the lower end of the first spring is connected with a spring needle, the fixed die is provided with an upper fixing plate, the fixed die core is provided with a lower fixing plate, the fixed mold core is provided with an inlay sleeve, the inlay sleeve is fixed with the lower fixed plate, a slide block is arranged in the inlay sleeve in a sliding way, the embedding sleeve and the sliding block are respectively provided with molded surfaces corresponding to products, the sliding block is provided with a base, the thimble comprises a thimble, a thimble base and a thimble fixing tube for fixing the thimble base, the thimble fixing tube comprises a tube body and a side fixing plate arranged on the tube body, the tube body and the side fixing plate are respectively provided with a plurality of positioning step plates in one-to-one correspondence with each other from top to bottom, and the top end of the tube body is provided with a fixing cover.
The cover half is equipped with the upper fixed plate, the cover half core is equipped with the bottom plate, upper fixed plate and bottom plate fixed connection.
And the upper fixing plate and the lower fixing plate are provided with elastic needle pipelines for elastic needles to pass through.
The movable mold core is provided with a pressing block, and the pressing block is connected with the movable mold core in a sliding mode.
The movable mold core is provided with three pumping blocks, and the 3 pumping blocks are uniformly distributed around the product.
The pipe body is provided with a positioning step groove, and the fixing cover is provided with a positioning bulge matched with the positioning step groove in shape.
The working principle is as follows: during the drawing of patterns, move, the cover half separates, and first spring promotes the bullet needle, and the bullet needle promotes the slider again and makes the slider not deviate from the product, and inlay the cover this moment and rise along with the cover half core, throw off from the product gradually, later when inlaying the cover and offseting with the base, drive the slider and break away from the product.
By adopting the structure, compared with the prior art, the invention has the following advantages:
1. according to the invention, the molded surface of the bushing is firstly released, so that the bent bulge has a space for forced release, and then the smooth demolding of the product is realized through the demolding of the sliding block.
2. The elastic needle pipeline is arranged to play a guiding role.
3. The arrangement of the 3 pressure-drawing blocks is beneficial to stably pressing the whole product on the movable mold core when the bushing is firstly separated, and when the sliding block is separated, the 3 pressure-drawing blocks are separated from the mold stripping.
4. Set up the fixed pipe of thimble, thimble base and fixed thimble base's thimble, thimble one end is equipped with and is equipped with the thimble base with the anastomotic profile other end of side opening, the fixed pipe of thimble includes the body, installs the side-mounting plate on the body, body and side-mounting plate are from last to being equipped with a plurality of location step boards of position one-to-ones down respectively, the body top is equipped with fixed lid, and this kind of structure provides a distance adjustable bullet needle, has avoided the product adjustment just need change the trouble of bullet needle.
5. The fixed cover is more stably installed by arranging the positioning step groove and the positioning bulge.
Drawings
Fig. 1 is a schematic diagram of a prior art demolding structure.
FIG. 2 is a schematic axial side view of the present invention.
Fig. 3 is a schematic cross-sectional structure of the present invention.
Fig. 4 is a schematic structural view of the thimble 22.
Fig. 5 is a schematic structural view of the fixing cover 30.
The drawing shows that the device comprises 01, a product, 02, a bending bulge, 03, a core pulling block, 1, a fixed die, 2, a fixed die core, 3, a movable die core, 4, a first spring movement pipeline, 5, a first spring, 6, an elastic needle, 7, an upper fixing plate, 8, a lower fixing plate, 9, an elastic needle pipeline, 10, an embedding sleeve, 11, a sliding block, 12, a pulling and pressing block, 13, a base, 22, an ejector pin, 23, an ejector pin base, 25, a pipe body, 26, a side fixing plate, 27, a positioning step plate, 28, a positioning step groove, 29, a positioning bulge, 30 and a fixing cover.
Detailed Description
The invention is further described with reference to the following figures and specific embodiments.
The utility model provides a mould that slider was taken off by force, includes cover half 1, fixes cover half 2, the movable mould core 3 on cover half 1, cover half 1 is equipped with first spring motion pipeline 4, be equipped with first spring 5 in the first spring motion pipeline 4, first spring 5 lower extreme is connected with bullet needle 6, cover half 1 is equipped with upper fixed plate 7, cover half 2 is equipped with bottom plate 8, cover half 2 is equipped with inlays cover 10, it is fixed with bottom plate 8 to inlay cover 10, it is equipped with slider 11 to inlay the slip in cover 10, it is equipped with the profile that corresponds with product 01 respectively to inlay cover 10 and slider 11, slider 11 is equipped with base 13, bullet needle 6 includes the thimble fixed pipe of thimble 22, thimble base 23 and fixed thimble base 23, the thimble fixed pipe includes body 25, installs the side fixing plate 26 on body 25, body 25 and side fixing plate 26 are from last to being equipped with a plurality of location step boards 27 of position one-to-one respectively down, the top end of the tube body 25 is provided with a fixed cover 30.
The cover half 1 is equipped with an upper fixed plate 7, the cover half mould core 2 is equipped with a bottom plate 8, an upper fixed plate 7 and a bottom plate 8 fixed connection.
The upper fixing plate 7 and the lower fixing plate 8 are provided with a bullet needle pipeline 9 for the bullet needle 6 to pass through.
The movable mold core 3 is provided with a pressing block 12, and the pressing block 12 is connected with the movable mold core 3 in a sliding manner.
The movable mold core 3 is provided with three pressing blocks 12, and the 3 pressing blocks 12 are uniformly distributed around the product 01.
The pipe body 25 is provided with a positioning step groove 28, and the fixing cover 30 is provided with a positioning protrusion 29 matched with the positioning step groove 28 in shape.
The working principle is as follows: during demoulding, the fixed die is moved, the fixed die is separated, the first spring 5 pushes the elastic needle 6, the elastic needle 6 pushes the sliding block 11 again to enable the sliding block 11 not to be separated from the product 01, the insert sleeve 10 ascends along with the fixed die core 2 and gradually separates from the product 01, and then when the insert sleeve 10 abuts against the base 13, the sliding block 11 is driven to be separated from the product 01.
By adopting the structure, compared with the prior art, the invention has the following advantages:
1. according to the invention, the molded surface of the insert sleeve 10 is firstly released, so that the bent bulge 02 has a space for forced release, and then the smooth demolding of the product 01 is realized through the demolding of the sliding block 11.
2. The bullet needle pipe 9 is arranged to play a role in guiding.
3. The arrangement of the 3 pressure-extraction blocks is beneficial to stably pressing the whole product 01 on the movable mold core 3 when the insert sleeve 10 is firstly separated, and when the slide block 11 is separated, the 3 pressure-extraction blocks are extracted for demolding.
4. Set up thimble 22, thimble base 23 and the fixed thimble of fixed thimble base 23, 22 one end of thimble is equipped with and is equipped with thimble base 23 with the anastomotic profile other end of side opening 02, the fixed pipe of thimble includes body 25, installs the side-mounting board 26 on body 25, body 25 and side-mounting board 26 are from last to being equipped with a plurality of location step boards 27 of position one-to-one respectively down, body 25 top is equipped with fixed cover 30, and this kind of structure provides a distance adjustable bullet needle 6, through installing thimble base 23 in the purpose of realizing bullet needle 6 length adjustment between other location step boards 27, has avoided the product adjustment just need to change the trouble of bullet needle.
5. The provision of the positioning stepped groove 28 and the positioning projection 29 makes the mounting of the fixing cover 30 more stable.
The insert sleeve 10 and the slide block 11 are respectively provided with a molded surface corresponding to the product 01, and the molded surfaces of the insert sleeve 10 and the slide block 11 are connected to form a complete molded surface corresponding to the bending bulge 02.
The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (3)

1. The utility model provides a mould that slider was taken off by force, includes cover half (1), fixes cover half (2), movable mould core (3) on cover half (1), its characterized in that: the fixed die (1) is provided with a first spring movement pipeline (4), a first spring (5) is arranged in the first spring movement pipeline (4), the lower end of the first spring (5) is connected with an elastic needle (6), the fixed die (1) is provided with an upper fixing plate (7), the fixed die core (2) is provided with a lower fixing plate (8), the fixed die core (2) is provided with an embedding sleeve (10), the embedding sleeve (10) is fixed with the lower fixing plate (8), a sliding block (11) is arranged in the embedding sleeve (10) in a sliding manner, the embedding sleeve (10) and the sliding block (11) are respectively provided with a molded surface corresponding to a product (01), the sliding block (11) is provided with a base (13), the elastic needle (6) comprises a thimble (22), a thimble base (23) and a thimble fixing pipe for fixing the thimble base (23), the thimble fixing pipe comprises a pipe body (25) and a side fixing plate (26) arranged on the pipe body (25, body (25) and side fixed plate (26) are from last to being equipped with a plurality of location step boards (27) of position one-to-one respectively down, body (25) top is equipped with fixed lid (30), cover half (1) is equipped with upper fixed plate (7), cover half core (2) are equipped with bottom plate (8), upper fixed plate (7) and bottom plate (8) fixed connection, upper fixed plate (7) are equipped with bullet needle pipeline (9) that supply bullet needle (6) to pass with bottom plate (8), it is equipped with and takes out briquetting (12) to move mold core (3), take out briquetting (12) and move mold core (3) sliding connection.
2. The mold for forced stripping of a slide block according to claim 1, wherein: the movable mold core (3) is provided with three pressing blocks (12), and the three pressing blocks (12) are uniformly distributed around the product (01).
3. The mold for forced stripping of a slide block according to claim 2, wherein: the pipe body (25) is provided with a positioning step groove (28), and the fixed cover (30) is provided with a positioning bulge (29) with the shape matched with the positioning step groove (28).
CN201711352120.8A 2017-12-15 2017-12-15 Mold for forcibly releasing sliding block Active CN108202450B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711352120.8A CN108202450B (en) 2017-12-15 2017-12-15 Mold for forcibly releasing sliding block

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711352120.8A CN108202450B (en) 2017-12-15 2017-12-15 Mold for forcibly releasing sliding block

Publications (2)

Publication Number Publication Date
CN108202450A CN108202450A (en) 2018-06-26
CN108202450B true CN108202450B (en) 2020-08-11

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Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020001634A1 (en) * 2000-06-29 2002-01-03 Toshio Komazawa Molding tool for molding with cylindrical core
CN202219553U (en) * 2011-08-18 2012-05-16 深圳市鼎盛达模具发展有限公司 Lifter structure of front mold
CN202344783U (en) * 2011-10-25 2012-07-25 长城汽车股份有限公司 Forcible demolding mechanism for injection mold
CN204604789U (en) * 2015-05-06 2015-09-02 台州市黄岩宇亚模具有限公司 The strong release mechanism of injection mold inner core pulling
CN106346704B (en) * 2016-08-31 2018-10-16 宁波方正汽车模具股份有限公司 Injection mould directly pushes up de- secondary ejecting mechanism by force
CN206598483U (en) * 2017-03-14 2017-10-31 东江模具（深圳）有限公司 Secondary ejection mechanism for mold

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