CN110884066A - Double-slider linkage straight-turning core-pulling device of injection mold - Google Patents

Double-slider linkage straight-turning core-pulling device of injection mold Download PDF

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Publication number
CN110884066A
CN110884066A CN201910404022.7A CN201910404022A CN110884066A CN 110884066 A CN110884066 A CN 110884066A CN 201910404022 A CN201910404022 A CN 201910404022A CN 110884066 A CN110884066 A CN 110884066A
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CN
China
Prior art keywords
core
block
inverted
pulling
key
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.)
Withdrawn
Application number
CN201910404022.7A
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Chinese (zh)
Inventor
林发标
葛佩雅
胡向荣
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 Yuefei Mold Co Ltd
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Ningbo Yuefei Mold 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.)
Filing date
Publication date
Application filed by Ningbo Yuefei Mold Co Ltd filed Critical Ningbo Yuefei Mold Co Ltd
Priority to CN201910404022.7A priority Critical patent/CN110884066A/en
Publication of CN110884066A publication Critical patent/CN110884066A/en
Withdrawn legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/33Moulds having transversely, e.g. radially, movable mould parts
    • B29C45/332Mountings or guides therefor; Drives therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/40Removing or ejecting moulded articles
    • B29C45/44Removing or ejecting moulded articles for undercut articles
    • B29C45/4435Removing or ejecting moulded articles for undercut articles using inclined, tiltable or flexible undercut forming elements driven by the ejector means

Abstract

The invention discloses a double-slider linkage straight-crank core pulling device for an injection mold, which comprises a transverse slider (1), a key base (2), an inverted core pulling block (3) and an oil cylinder (4). The transverse sliding block adopted by the invention is provided with a core sliding groove and a stroke groove; the key base is provided with a dialing key; the inverted core-pulling block is provided with a hooking surface, a keyhole and a limiting bulge; the transverse sliding block is positioned on the movable mould carrier plate, a piston rod of the oil cylinder is fixedly connected with the transverse sliding block, and a cylinder body of the oil cylinder is fixedly connected with the movable mould carrier plate; the key base is fixedly connected to the upper surface of the movable mold carrier plate, the inverted core-pulling block is positioned in the core sliding groove in a sliding manner, the shifting key is inserted in the key hole in a sliding manner, and the limiting convex is positioned in the stroke groove in a sliding manner; when the injection mold works, the core-pulling and demolding of the injection mold provided with the product with the side reverse buckle are realized through the technical scheme of the straight-crank core-pulling which is formed by combining the transverse sliding block, the key base and the reverse buckle core-pulling block and is firstly pulled out downwards longitudinally and then pulled out rightwards transversely, and the purposes of improving the efficiency and reducing the cost are achieved.

Description

Double-slider linkage straight-turning core-pulling device of injection mold
Technical Field
The invention relates to an injection mold back-off core-pulling demoulding device, in particular to an injection mold double-slider linkage straight-crank core-pulling device which is used for an injection mold and used for core-pulling demoulding aiming at a back-off structure of an injection product.
Background
In the injection mold, the opening and closing direction of the mold is called longitudinal direction, the direction orthogonal to the longitudinal direction is called transverse direction, and the direction between the longitudinal direction and the transverse direction is called oblique direction; in the injection mold, a slide block which is arranged on the movable mold carrier plate and moves along the transverse direction is called as a transverse slide block;
referring to fig. 2, the edge of the product where the inverted buckle is located is called as edge inverted buckle for short, because the edge inverted buckle relates to a transverse sliding block, if a core pulling mechanism with an inclined top is adopted to pull the core of the edge inverted buckle, the appearance of the product is damaged, and therefore, the edge inverted buckle is difficult to perform core pulling and demoulding through the core pulling mechanism with the inclined top; for the side reverse buckle, the prior art adopts an insert method for demoulding, namely, an insert is made in advance according to the shape of the reverse buckle, the insert is embedded into a mould during injection moulding, the insert and a product are separated from the mould together during demoulding of the product, then the insert is taken out from the product by a tool manually, the insert can be repeatedly used for turnover, and a plurality of sets of inserts are required to be prepared for turnover during injection moulding production; the insert method is used for frequently embedding and taking out inserts in actual injection molding production, the working strength of operators is high, the standby time of an injection molding machine is long, the production efficiency is low, and the comprehensive cost of products is high, so that the problems and the defects of low efficiency and high cost in the prior art exist.
Disclosure of Invention
Aiming at the problems and the defects of the prior art, the invention adopts a device consisting of a transverse sliding block, a key base, a back-off core-pulling block and an oil cylinder, wherein the transverse sliding block is a steel block-shaped member, the left side surface of the transverse sliding block is provided with a molded surface corresponding to the molded surface of a product, and a sliding chute which is inclined downwards from right to left is arranged on the upper surface of the transverse sliding block and is called a core sliding chute; a groove is arranged at the bottom of the right part of the core sliding groove and is called as a stroke groove; the key base is hollow, the upper part of the key base is provided with a front-back beam, the front side and the back side of the key base are provided with a vertical column in the vertical direction, and a left view is in a reversed U-shaped steel block-shaped component; the inverted core-pulling block is a steel block-shaped component which is correspondingly matched with the core sliding chute in a sliding way, a molded surface corresponding to the side inverted structure surface of the product is arranged on the left side surface of the inverted core-pulling block and is called a hooking surface, a through hole which is in the vertical direction and has a rectangular cross section is arranged in the middle of the upper surface of the inverted core-pulling block and is called a key hole, and the key hole is orthogonal to the core sliding chute; a flange is arranged on the right lower surface of the back-off core-pulling block and is called a limiting protrusion; the oil cylinder is a hydraulic telescopic execution element consisting of a cylinder body and a piston rod; the transverse sliding block is buckled and slides on the movable mould carrier plate of the mould through the groove rail, the oil cylinder is positioned at the right side of the transverse sliding block, a piston rod of the oil cylinder is fixedly connected with the transverse sliding block, and a cylinder body of the oil cylinder is fixedly connected with the movable mould carrier plate; the key base is fixedly connected to the upper surface of a movable mould carrier plate of the mould through the upright post, a cross beam of the key base is positioned above the transverse sliding block, and the lower surface of the cross beam is in sliding contact with the upper surface of the transverse sliding block; the inverted core-pulling block is positioned in the core sliding groove of the transverse sliding block in a sliding and buckling mode through a groove rail, the shifting key of the key base is inserted into the key hole of the inverted core-pulling block in a sliding mode, the limiting protrusion is positioned in the stroke groove in a sliding mode, the length of the stroke groove is larger than that of the limiting protrusion, and the length difference between the stroke groove and the limiting protrusion is called limiting distance; in the initial state, the limiting distance is positioned on the left of the limiting protrusion; the cavity surrounded by the fixed die, the movable die core, the transverse slide block and the inverted core-pulling block forms a molded product and a die cavity with an inverted structure.
When the injection mold is in work, the oil cylinder drives the transverse sliding block to move rightwards, the transverse sliding block is separated from a product firstly, at the moment, due to the action of the shifting key, the inverted core pulling block is static rightwards and slides out obliquely from the transverse sliding block along the core sliding groove, the resultant motion of the inverted core pulling block is downward movement, so that the hooking surface 33 is downward and is firstly pulled out from the lower side of the edge inverted buckle of the product, meanwhile, along with the downward movement of the inverted core pulling block, the shifting key is gradually pulled out from the key hole to be separated from the inverted core pulling block, then, along with the rightward movement of the transverse sliding block, when the left surface of the limiting protrusion touches the left groove wall of the stroke groove, the limiting distance is moved to the right side of the limiting protrusion, then, the transverse sliding block drives the inverted core pulling block to move rightwards together, so that the hooking surface 33 is separated from the product and the edge inverted buckle, the technical scheme is provided, and the injection mold, the purpose of improving efficiency and reducing cost is achieved by core-pulling and demoulding the injection mould provided with the product with the reverse side buckle.
The purpose of the invention is realized as follows: the utility model provides an injection mold double-slider linkage turns directly device of loosing core, includes horizontal slider, key base, back-off core-pulling block and hydro-cylinder, wherein: the transverse sliding block is a steel block-shaped component, the left side surface of the transverse sliding block is provided with a molded surface corresponding to the molded surface of the product, and a sliding chute which is inclined downwards from right to left is arranged on the transverse sliding block and is called a core sliding chute; a groove is arranged at the bottom of the right part of the core sliding groove and is called as a stroke groove;
the key base is hollow, the upper part of the key base is provided with a front-back beam, the front side and the back side of the key base are provided with a vertical column in the vertical direction, and a left view is in a reversed U-shaped steel block-shaped component;
the inverted core-pulling block is a steel block-shaped component which is correspondingly matched with the core sliding chute in a sliding way, a molded surface which is corresponding to the side inverted structure surface of the product is arranged on the left side surface of the inverted core-pulling block and is called a hook surface 33, a through hole which is in the vertical direction and has a rectangular cross section is arranged in the middle of the upper surface of the inverted core-pulling block and is called a key hole, and the key hole is orthogonal to the core sliding chute; a flange is arranged on the right lower surface of the back-off core-pulling block and is called a limiting protrusion;
the oil cylinder is a hydraulic telescopic execution element consisting of a cylinder body and a piston rod;
the transverse sliding block is buckled and slides on the movable mould carrier plate of the mould through the groove rail, the oil cylinder is positioned at the right side of the transverse sliding block, a piston rod of the oil cylinder is fixedly connected with the transverse sliding block, and a cylinder body of the oil cylinder is fixedly connected with the movable mould carrier plate; the key base is fixedly connected to the upper surface of a movable mould carrier plate of the mould through the upright post, a cross beam of the key base is positioned above the transverse sliding block, and the lower surface of the cross beam is in sliding contact with the upper surface of the transverse sliding block; the inverted core-pulling block is positioned in the core sliding groove of the transverse sliding block in a sliding and buckling mode through a groove rail, the shifting key of the key base is inserted into the key hole of the inverted core-pulling block in a sliding mode, the limiting protrusion is positioned in the stroke groove in a sliding mode, the length of the stroke groove is larger than that of the limiting protrusion, and the length difference between the stroke groove and the limiting protrusion is called limiting distance; in the initial state, the limiting distance is positioned on the left of the limiting protrusion; the cavity surrounded by the fixed die, the movable die core, the transverse slide block and the inverted core-pulling block forms a molded product and a die cavity with an inverted structure.
The direction surface expressed by the structure is divided into an upper surface, a lower surface, a left surface, a right surface, a front surface and a rear surface, wherein the front surface is a surface facing the front view of the device, and the rear surface is a surface opposite to the front surface.
Description of the drawings: the groove rail fastening means that two objects are fastened, wherein one surface of one object is provided with a through groove with a T-shaped cross section and called a sliding groove, one surface of the other object is provided with a flange which corresponds to the sliding groove and is T-shaped in cross section and called a sliding rail, and the two objects are fastened by the sliding groove and the sliding rail in a sliding manner to realize sliding fastening connection.
Working principle and beneficial effects
During operation, the oil cylinder drives the transverse sliding block to move rightwards, the transverse sliding block is separated from a product firstly, at the moment, due to the action of the shifting key, the inverted core pulling block is static rightwards and slides out obliquely from the transverse sliding block along the core sliding groove, the resultant motion of the inverted core pulling block moves downwards, the hooking surface 33 is caused to move downwards, the inverted core pulling block is firstly pulled out from the lower side of the edge inverted buckle of the product, meanwhile, along with the downward movement of the inverted core pulling block, the shifting key is gradually pulled out from the key hole to be separated from the inverted core pulling block, then, the transverse sliding block moves rightwards, when the left surface of the limiting protrusion touches the left groove wall of the stroke groove, the limiting distance moves to the right of the limiting protrusion at the moment, and then the transverse sliding block drives the inverted core pulling block to move rightwards together, so that the hooking surface 33 is separated from the product and the.
The device is different from the inclined core pulling device in that the running track of the core pulling block of the inclined core pulling device is continuously inclined, and the running track of the inverted core pulling block of the device is firstly longitudinally pulled downwards and then transversely pulled rightwards, so that the device is called straight turning core pulling and is also called right angle core pulling.
The device has simple structure and reliable work, and the core pulling and demolding of the injection mold provided with the edge-inverted product are realized through the straight turning core pulling motion of the transverse sliding block, the key base and the inverted core pulling block, so that the defect of an insert method is avoided, the efficiency is improved, and the cost is reduced.
The invention adopts a device consisting of a transverse sliding block, a key base, a back-off core-pulling block and an oil cylinder, wherein the transverse sliding block is provided with a molded surface corresponding to the molded surface of a product, a core sliding groove and a stroke groove; the key base is provided with a dialing key; the inverted core-pulling block is provided with a hooking surface, a keyhole and a limiting bulge; the oil cylinder is a hydraulic telescopic execution element; the transverse sliding block is positioned on the movable mould carrier plate, a piston rod of the oil cylinder is fixedly connected with the transverse sliding block, and a cylinder body of the oil cylinder is fixedly connected with the movable mould carrier plate; the key base is fixedly connected to the movable die carrier plate, the inverted core-pulling block is positioned in the core sliding groove in a sliding manner, the shifting key is inserted into the key hole in a sliding manner, the limiting protrusion is positioned in the stroke groove in a sliding manner, the length of the stroke groove is greater than that of the limiting protrusion, and the length difference between the two is called limiting distance; in the initial state, the limiting distance is positioned on the left of the limiting protrusion; the cavity surrounded by the fixed die, the movable die core, the transverse slide block and the inverted core-pulling block forms a molded product and a die cavity with an inverted structure.
When the device works, the oil cylinder drives the transverse sliding block to move rightwards, the transverse sliding block is separated from a product firstly, at the moment, due to the action of the shifting key, the inverted core-pulling block is static rightwards and slides obliquely out of the transverse sliding block along the core sliding groove, the resultant motion of the inverted core-pulling block moves downwards, so that the hooking surface 33 moves downwards, the inverted core-pulling block is firstly pulled out from the lower side of the edge inverted buckle of the product, meanwhile, along with the downward movement of the inverted core-pulling block, the shifting key is gradually pulled out from the key hole to be separated from the inverted core-pulling block, then, along with the rightward movement of the transverse sliding block, when the left surface of the limiting protrusion touches the left groove wall of the stroke groove, the limiting distance moves to the right of the limiting protrusion, then, the transverse sliding block drives the inverted core-pulling block to move rightwards together, so that the hooking surface 33 is separated from the product and the edge inverted buckle, the problem and the not enough of with high costs, the injection mold double-slider linkage straight turning device that provides makes the injection mold's that is equipped with limit back-off goods drawing of patterns of loosing core, has reached the purpose that raises the efficiency, reduce cost.
Drawings
FIG. 1 is a schematic sectional structural view of a main view of a double-slider linkage straight crank core-pulling device of an injection mold of the present invention;
FIG. 2 is an enlarged drawing of portion A of FIG. 1;
FIG. 3 is a schematic diagram of the principle of the injection mold double-slider linkage straight-crank core-pulling device working in the state that the inverted core-pulling block 3 is firstly pulled out downwards from the edge inverted buckle 05;
FIG. 4 is an enlarged drawing of portion B of FIG. 3;
FIG. 5 is a schematic diagram of the principle of the injection mold double-slider linkage straight turning core-pulling device working in a state that the inverted core-pulling block 3 is laterally separated from the side inverted buckle 05 along with the lateral slider 1 to the right;
fig. 6 is an enlarged drawing view of the portion C in fig. 5.
The invention will be described in more detail hereinafter with reference to an embodiment example in the drawings, but it should not be construed as being limited thereto.
In the figure: the device comprises a transverse sliding block 1, a core sliding groove 11, a stroke groove 111, a limit distance 12, a key base 2, a shifting key 21, a back-off core-pulling block 3, a limit protrusion 31, a key hole 32, an oil cylinder 4, a fixed die 01, a movable die core 02, a movable die carrier plate 03, a product 04 and an edge back-off 05.
Detailed Description
Referring to fig. 1 to 6, the double-slider linkage straight-crank core pulling device for the injection mold comprises a transverse slider 1, a key base 2, a back-off core pulling block 3 and an oil cylinder 4, wherein: the transverse sliding block 1 is a steel block-shaped component, a molded surface corresponding to the molded surface of the product 04 is arranged on the left side surface of the transverse sliding block 1, and a sliding chute which is inclined downwards from right to left is arranged on the transverse sliding block 1 and is called a core sliding chute 11; a groove called a stroke groove 111 is arranged at the bottom of the right groove of the core chute 11;
the key base 2 is hollow, the upper part of the key base is provided with a front-back beam, the front side and the back side of the key base are provided with a vertical column in the vertical direction, and the left side of the key base is provided with a reversed U-shaped steel block-shaped component, and a columnar flange which is inclined from top to bottom to right and has a rectangular cross section is convexly arranged below the beam of the key base 2 and is called as a shifting key 21;
the inverted core-pulling block 3 is a steel block-shaped component which is correspondingly matched with the core sliding chute 11 in a sliding way, a molded surface corresponding to the structural surface of the edge inverted 05 of the product 04 is arranged on the left side surface of the inverted core-pulling block 3 and is called a hook surface 33, a through hole which is in the vertical direction and has a rectangular cross section is arranged in the middle of the upper surface of the inverted core-pulling block 3 and is called a key hole 32, and the key hole 32 is orthogonal to the core sliding chute 11; a flange called a limiting bulge 31 is arranged on the right lower surface of the back-off core-pulling block 3;
the oil cylinder 4 is a hydraulic telescopic execution element consisting of a cylinder body and a piston rod;
the transverse sliding block 1 is buckled and slides on the movable mould carrier plate 03 of the mould through a groove rail, the oil cylinder 4 is positioned at the right side of the transverse sliding block 1, a piston rod of the oil cylinder 4 is fixedly connected with the transverse sliding block 1, and a cylinder body of the oil cylinder 4 is fixedly connected with the movable mould carrier plate 03; the key base 2 is fixedly connected to the upper surface of a movable mould carrier plate 03 of the mould through the upright posts, a cross beam of the key base 2 is positioned on the transverse sliding block 1, and the lower surface of the cross beam is in sliding contact with the upper surface of the transverse sliding block 1; the inverted core-pulling block 3 is positioned in the core sliding groove 11 of the transverse sliding block 1 in a sliding and buckling mode through a groove rail, the shifting key 21 of the key base 2 is inserted in the key hole 32 of the inverted core-pulling block 3 in a sliding mode, the limiting protrusion 31 is positioned in the stroke groove 111 in a sliding mode, the length of the stroke groove 111 is larger than that of the limiting protrusion 31, and the length difference between the stroke groove 111 and the limiting protrusion 31 is called limiting distance 12; in the initial state, the limiting distance 12 is positioned at the left of the limiting protrusion 31; a cavity surrounded by the fixed die 01, the movable die core 02, the transverse sliding block 1 and the inverted core-pulling block 3 forms a die cavity of a molded product 04 and an edge inverted structure 05.
The direction surface expressed by the structure is divided into an upper surface, a lower surface, a left surface, a right surface, a front surface and a rear surface, wherein the front surface is a surface facing the front view of the device, and the rear surface is a surface opposite to the front surface.
Description of the drawings: the groove rail fastening means that two objects are fastened, wherein one surface of one object is provided with a through groove with a T-shaped cross section and called a sliding groove, one surface of the other object is provided with a flange which corresponds to the sliding groove and is T-shaped in cross section and called a sliding rail, and the two objects are fastened by the sliding groove and the sliding rail in a sliding manner to realize sliding fastening connection.
Working principle and beneficial effects
When the device works, the oil cylinder 4 drives the transverse sliding block 1 to move rightwards, the transverse sliding block 1 is separated from a product 04 firstly, at the moment, due to the action of the shifting key 21, the inverted core-pulling block 3 is stationary towards the right, but slides out from the transverse sliding block 1 along the core sliding groove 11 in an inclined way, the resultant motion of the inverted core-pulling block 3 is downward movement, so that the hook surface 33 is downward and firstly pulled out from the lower side of the edge inverted button 05 of the product 04, at the same time, as the inverted core block 3 moves downwards, the shifting key 21 is gradually pulled out of the key hole 32 and separated from the inverted core block 3, and then, as the transverse sliding block 1 moves rightwards, when the left surface of the limit projection 31 touches the left groove wall of the stroke groove 111, the limit distance 12 is moved to the right of the limit projection 31, and then, the transverse sliding block 1 drives the inverted core-pulling block 3 to move rightwards together, so that the hooking surface 33 is separated from the product 04 and the edge inverted button 05.
The device is different from the inclined core pulling device in that the running track of the core pulling block of the inclined core pulling device is continuously inclined, and the running track of the inverted core pulling block 3 of the device is firstly longitudinally pulled downwards and then transversely pulled rightwards, so that the device is called straight turning core pulling and is also called right angle core pulling.
The device is simple in structure and reliable in work, and the straight crank core-pulling movement of the transverse sliding block 1, the key base 2 and the inverted core-pulling block 3 is combined, so that the core-pulling demoulding of the injection mould provided with the edge inverted 05 product 04 is realized, the defect of an insert method is avoided, the efficiency is improved, and the cost is reduced.

Claims (1)

1. The utility model provides an injection mold double-slider linkage turns directly device of loosing core, includes horizontal slider (1), key base (2), back-off core-pulling piece (3) and hydro-cylinder (4), its characterized in that: the transverse sliding block (1) is a steel block-shaped component, a molded surface corresponding to the molded surface of the product (04) is arranged on the left side surface of the transverse sliding block (1), and a sliding chute which is inclined downwards from right to left is arranged on the upper surface of the transverse sliding block (1) and is called a core sliding chute (11); a groove called a stroke groove (111) is arranged at the bottom of the right groove of the core chute (11);
the key base (2) is hollow, the upper part of the key base is provided with a transverse beam in the front-back direction, the front side and the back side of the key base are provided with vertical columns in the up-down direction, and a steel block-shaped component in the reversed U-shaped left view is arranged on the front side and the back side of the key base (2), and a columnar flange which is inclined from top to bottom to right and has a rectangular cross section is convexly arranged below the transverse beam and is called a shifting key (21;
the inverted core-pulling block (3) is a steel block-shaped component which is in corresponding sliding fit with the core sliding chute (11), a molded surface which corresponds to a structural surface of an edge inverted buckle (05) of a product (04) and is arranged on the left side surface of the inverted core-pulling block (3) is called a hook surface (33), a through hole which is in the vertical direction and has a rectangular cross section and is called a key hole (32) is arranged in the middle of the upper surface of the inverted core-pulling block (3), and the key hole (32) is orthogonal to the core sliding chute (11); a flange called a limiting bulge (31) is arranged on the right lower surface of the inverted core-pulling block (3);
the oil cylinder (4) is a hydraulic telescopic execution element consisting of a cylinder body and a piston rod;
the transverse sliding block (1) is buckled and slides on a movable mould carrier plate (03) of the mould through a groove rail, the oil cylinder (4) is positioned on the right side of the transverse sliding block (1), a piston rod of the oil cylinder (4) is fixedly connected with the transverse sliding block (1), and a cylinder body of the oil cylinder (4) is fixedly connected with the movable mould carrier plate (03); the key base (2) is fixedly connected to the upper surface of a movable mould carrier plate (03) of the mould through the upright posts, a cross beam of the key base (2) is positioned on the transverse sliding block (1), and the lower surface of the cross beam is in sliding contact with the upper surface of the transverse sliding block (1); the inverted core-pulling block (3) is positioned in the core sliding groove (11) of the transverse sliding block (1) in a sliding and buckling mode through a groove rail, the poking key (21) of the key base (2) is inserted into the key hole (32) of the inverted core-pulling block (3) in a sliding mode, the limiting protrusion (31) is positioned in the stroke groove (111) in a sliding mode, the length of the stroke groove (111) is larger than that of the limiting protrusion (31), and the length difference between the stroke groove (111) and the limiting protrusion (31) is called limiting distance (12); the starting state, the limiting distance (12) is positioned at the left of the limiting protrusion (31); a cavity surrounded by the fixed die (01), the movable die core (02), the transverse sliding block (1) and the inverted core-pulling block (3) forms a die cavity of a molded product (04) and an edge inverted structure (05).
CN201910404022.7A 2019-05-05 2019-05-05 Double-slider linkage straight-turning core-pulling device of injection mold Withdrawn CN110884066A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910404022.7A CN110884066A (en) 2019-05-05 2019-05-05 Double-slider linkage straight-turning core-pulling device of injection mold

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910404022.7A CN110884066A (en) 2019-05-05 2019-05-05 Double-slider linkage straight-turning core-pulling device of injection mold

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Publication Number Publication Date
CN110884066A true CN110884066A (en) 2020-03-17

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CN201910404022.7A Withdrawn CN110884066A (en) 2019-05-05 2019-05-05 Double-slider linkage straight-turning core-pulling device of injection mold

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113119410A (en) * 2021-03-30 2021-07-16 宁波方正汽车模具股份有限公司 Slider is from taking mechanical interior structure of taking out
CN114603780A (en) * 2022-03-05 2022-06-10 滨海模塑集团有限公司 Inside ejection mechanism of big slider of injection mold

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113119410A (en) * 2021-03-30 2021-07-16 宁波方正汽车模具股份有限公司 Slider is from taking mechanical interior structure of taking out
CN114603780A (en) * 2022-03-05 2022-06-10 滨海模塑集团有限公司 Inside ejection mechanism of big slider of injection mold

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Application publication date: 20200317