CN210969767U - A New Type of Core-pulling Mechanism for Shrinking - Google Patents

Abstract

The utility model relates to the technical field of mold processing, concretely relates to novel it constructs to contract towards core of drawing core of kogaku, including the position of going, the line seat, mold insert and drive arrangement, the position of going includes first line position and the position of second line, first line position sliding connection is on the line seat, drive arrangement links to each other with the second line position, first line position is equipped with the line position and holds the chamber, the mold insert includes first mold insert, the second mold insert, third mold insert and fourth mold insert, the second mold insert is fixed in the top of first line position, the second mold insert is equipped with the groove of stepping down, the third mold insert is installed and is held the intracavity and extend to the groove department of stepping down in the line position, the side that the line position held the chamber is equipped with oblique through-hole, the third mold insert is equipped with the first chute groove with the through-hole laminating, first mold insert links to each other with the second line position, and first mold insert sliding connection is in first chute groove, the fourth mold insert along the third chute and with third mold insert sliding connection, the utility model discloses can realize harmlessly having the inconsistent drawing of drawing .

Description

A New Type of Core-pulling Mechanism for Shrinking

technical field

The utility model relates to the technical field of mold processing, in particular to a novel core-pulling mechanism for shrinking Ke.

Background technique

The mold is a commonly used tool in the process of molding plastic products. Through the mold, various forms of plastic products can be injection molded to meet people's needs. After the injection molding process is completed, the product needs to be core-pulled by the positioning mechanism to achieve demoulding.

For some products with multiple inverted structures inside and inconsistent demolding directions, it is generally impossible to demold directly by using the positioning mechanism. At present, glue reduction treatment is usually carried out in the industry to change the shape of the product until it can be demolded smoothly. Therefore, the use of glue reduction treatment will change the structure of the product, so that the produced product cannot meet the predetermined requirements, which greatly affects the quality of the product.

Therefore, there is an urgent need in the industry for a solution that can solve the above problems.

Utility model content

The purpose of the utility model is to provide a new type of core-pulling mechanism for shrinking kegs against the deficiencies of the prior art. The purpose of the present invention can be achieved through the following technical solutions.

A novel retractable core-pulling mechanism includes a row position, a row seat, an insert and a driving device, the row position includes a first row position and a second row position, and the first row position is slidably connected to the On the row seat, the driving device is connected to the second row position, the first row position is provided with a row position chamber, and the inserts include a first insert, a second insert, and a third insert and a fourth insert, the second insert is fixed on the top of the first row position, the second insert is provided with a recess, and the third insert is installed in the row chamber and extends to the relinquishment groove, the side of the travel chamber is provided with an oblique through hole, the third insert is provided with a first oblique groove corresponding to the oblique through hole, and the The first insert is connected with the second row position, the first insert is slidably connected in the first inclined groove, and the fourth insert is slidably connected with the third insert.

Further, the row seat includes a base and an inclined portion, the inclined portion is fixedly arranged on the upper end of the base, and the inclined portion moves away from the second row from an end close to the second row One end of the bit slopes down.

Further, the inclined portion is provided with a second inclined groove, the bottom end of the first row is provided with a first T-shaped inclined protrusion, and the first row passes through the first T-shaped inclined protrusion is slidably connected with the second inclined groove.

Further, the second insert includes a second insert table, the bottom end of the second insert table is provided with a first locking block, the first row is provided with a first locking groove, the first The clamping block and the first clamping groove are mutually engaged, the top end of the second inserting piece table is provided with an inserting piece boss, the inserting piece boss is provided with the abdication groove, and the third inserting piece is The moving cavity extends into the escaping groove of the insert boss, and the fourth insert is placed in the eschewing groove and is slidably connected with the third insert.

Further, the third insert includes a third insert table and an extension table, the third insert table is installed in the row position cavity, and the extension table is provided on the third insert table. The top end extends outward into the abdication groove of the insert boss. One side of the extension platform is an inclined surface. The inclined surface of the extension platform is provided with a second T-shaped oblique bump. The fourth insert The fitting is provided with a third inclined groove, and the fourth insert is slidably connected with the second T-shaped inclined projection of the extension table through the third inclined groove.

Further, the driving device is provided with a second blocking block, the second row position is provided with a second blocking slot, and the driving device passes through the second blocking block and the second blocking slot on the second row position Card access.

Further, the driving device is an oil cylinder driving device.

Compared with the prior art, the beneficial effects of the present utility model:

The utility model has developed a novel retractable core-pulling mechanism. When demoulding is performed, the row seat is fixed on the rear film backing plate of the external mold and the first row is close to the rear film, and the driving device is activated to pull the second row. The row moves to the outside, the first insert moves with the second row, so that the third insert slides downward along the slope of the first insert relatively, and the fourth insert is slidably connected to the third insert As the third insert is obliquely withdrawn from the inverted structure of the product in one direction, and then cooperates with the external power device to push out the rear film and the rear mold core of the mold for a certain distance, at this time, the row seat is fixed, and the first row Relatively slide on the row seat and drive the second insert to withdraw from the inverted buckle structure in the other direction of the product for demolding, so that multiple inverted buckle structures and inconsistent demolding directions can be realized without damaging the inverted buckle structure of the product. Product demoulding is used to replace the traditional glue reduction treatment method without changing the structure of the product.

Description of drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention.

2 is a schematic structural diagram of a row seat and a first row seat according to an embodiment of the present invention.

3 is a schematic diagram of a second insert according to an embodiment of the present invention.

4 is a schematic structural diagram of a third insert and a fourth insert according to an embodiment of the present invention.

Detailed ways

The technical solutions of the present invention will be clearly and completely described below with reference to specific embodiments. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Aiming at the problem that some products with multiple inverted structures inside and inconsistent demolding directions cannot be demolded directly by using the positioning mechanism, the utility model provides a novel core-pulling mechanism for shrinking, so that the products can be inverted for different products. The structures are separated from the inserts in different directions to complete the demoulding without damage to the product.

In order to better describe the technical solution, the technical terms involved in the technical solution are explained. Among them, the insert refers to the irregular mold accessories specially used for inlaying in the mold, which plays the role of fixing the space in the mold. The row position refers to the mechanism that can obtain the lateral core pulling or lateral parting and the reset action to pull out the product. Shrinkage refers to the push plate structure that shrinks the insert in one direction.

A new type of shrinking core-pulling mechanism, as shown in Figures 1 to 4, includes a row position, a row seat 1, an insert and a driving device 4, and the row position includes a first row position 2 and a second row position 3. The first row position 2 is slidably connected to the row seat 1, and the first row position 2 slides on the row seat 1 to drive the insert to be removed from the product's first demoulding direction. The driving device 4 is connected with the second row position 3, and the driving device 4 provides power for the movement of the second row position 3 to drive the insert to leave the inverted structure in the second demolding direction of the product. Specifically, the first row position 2 is provided with a row position chamber 21 , and the inserts include a first insert 5 , a second insert 6 , a third insert 7 and a fourth insert 8 . The two inserts 6 are fixed on the top of the first row position 2 and move along the first row position 2 in the first demolding direction, so that the second insert 6 releases the inverted buckle structure in the first direction. The second insert 6 is provided with a vacant slot 61 to provide a space for the connection of the third insert 7 and the fourth insert 8 . The third insert 7 is installed in the travel chamber 21 and extends to the relinquishment slot 61 . The side of the travel chamber 21 is provided with an oblique through hole 22 , and the third insert 7 is provided with a first oblique groove 71 corresponding to the oblique through hole 22 , the notch of the first oblique groove 71 of the third insert 7 is fitted with the oblique through hole 22 , and the first insert 5 It is connected to the second row position 3, and the first insert 5 is slidably connected to the first inclined groove 71. The first inclined groove 71 and the first insert 5 cooperate with each other, so that the third insert The piece 7 slides down the slope relatively. The fourth insert 8 is slidably connected to the third insert 7 along the oblique direction of the third insert 7, and the fourth insert 8 is demolded to the second along the oblique direction of the third insert 7 Moving up the direction, the fourth insert 8 releases the inverted structure in the second direction.

A new type of core-pulling mechanism for shrinkage provided in this embodiment, when demoulding is performed, the row seat 1 is fixed on the rear film backing plate of the external mold, and the first row 2 is closely attached to the rear film, and the driving device is activated. 4. Pull the second row position 3 to move to the outside, and the first insert 5 moves with the second row position 3, so that the third insert 7 slides down along the slope of the first The fourth insert 8, which is slidably connected to the insert 7, withdraws from the inverted structure in one direction of the product along with the oblique direction of the third insert 7, and then cooperates with the external power device to push out the rear film and the rear mold core of the mold for a certain distance. When the row seat 1 is fixed, the first row seat 2 slides relatively on the row seat 1 and drives the second insert 6 to withdraw from the inverted buckle structure in the other direction of the product for demoulding, so as to prevent damage to the product. Under the inverted structure, the products with multiple inverted structures and inconsistent demoulding directions are demolded, which is used to replace the traditional glue reduction treatment method without changing the structure of the product, which can make the produced product structure meet the predetermined requirements and ensure the product. The production quality is high, and the operation is simple and easy to use.

As shown in FIG. 2 , a novel retractable core-pulling mechanism provided in this embodiment, the row seat 1 includes a base 11 and an inclined portion 12, and the base 11 can provide the supporting force for the entire mechanism when it is working. It is also easy to fix on the film backing plate of the external mold for demoulding. The inclined portion 12 is fixed on the upper end of the base 11 , and the inclined portion 12 is inclined downward from the end close to the second row position 3 to the end away from the second row position 3 . The oblique direction of the driving device 4 is different from the moving direction of the second row position 3 driven by the driving device 4, which ensures that the utility model can demold the products with multiple inverted buckle structures and inconsistent demoulding directions. Specifically, the inclined portion 12 is provided with a second inclined groove 13, the bottom end of the first row position 2 is provided with a first T-shaped inclined protrusion 23, and the first row position 2 passes through the first row position 2. The T-shaped oblique protrusion 23 is slidably connected with the second oblique groove 13, so that the first row seat 2 can slide relatively along the predetermined slope of the row seat 1, so that the second insert 6 can be separated from the first position of the product. Inverted structure.

As shown in FIG. 3, the second insert 6 includes a second insert table 63, and the bottom end of the second insert table 63 is provided with a new type of core-pulling mechanism for shrinkage provided in this embodiment. The first locking block 62, the first row position 2 is provided with a first locking groove 24, the first locking block 62 and the first locking groove 24 are engaged with each other, so that the second insert 6 is in the first row The top position of position 2 is fixed to avoid leaving position 2 of the first row, so as to follow the movement of position 2 of the first row. The top end of the second insert stage 63 is provided with an insert piece boss 64, and the insert piece boss 64 is provided with a relinquishment groove 61 that provides a space for connecting the third insert piece 7 and the fourth insert piece 8. The The third insert 7 extends from the row cavity 21 to the escape groove 61 of the insert boss 64 , and the fourth insert 8 is placed in the escape groove 61 and communicates with the escape groove 61 . The third insert 7 is slidably connected to ensure that the fourth insert 8 can slide away from the second inverted structure of the product.

In a new type of core-pulling mechanism provided in this embodiment, as shown in FIG. 4 , the third insert 7 includes a third insert table 72 and an extension table 73 , and the third insert table 72 is installed In the positioning chamber 21 , the extension table 73 is arranged at the top of the third insert table 72 and extends into the abdication groove 61 of the insert boss 64 . One side is an inclined surface, and the inclined surface of the extension table 73 is provided with a second T-shaped inclined protrusion (located at the connection between the third insert and the fourth insert, not shown in the figure), and the fourth insert 8 There is a third inclined groove (located at the connection between the third insert and the fourth insert, not shown in the figure), and the fourth insert 8 passes through the third inclined groove and the extension table 73. The second T-shaped oblique projection is slidably connected, so that the third insert 7 slides downward along the slope of the first insert 5, and the fourth insert 8 connected to the third insert 7 follows the third insert 7. The oblique direction of the piece 7 exits the inverted buckle structure in one direction of the product.

In a new type of core-pulling mechanism for shrinkage provided in this embodiment, the driving device 4 is provided with a second blocking block 41 , the second row position 3 is provided with a second clamping slot 31 , and the driving device 4 By engaging the second locking block 41 with the second locking slot 31 on the second row position 3, on the one hand, the driving device 4 can well drive the second row position 3 to move outward to disengage an inverted structure of the product On the other hand, it is also easy to disassemble for maintenance.

In a new type of core-pulling mechanism for shrinking Ke provided in this embodiment, the driving device 4 is an oil cylinder driving device 4, which is convenient for control and operation.

The present utility model has been further described above with the help of specific embodiments, but it should be understood that the specific description here should not be construed as a limitation on the essence and scope of the present utility model. Various modifications made to the above-mentioned embodiments all belong to the protection scope of the present invention.

Claims (7)

1. The novel deputy core pulling mechanism is characterized by comprising a line position, a line position seat, an insert and a driving device, wherein the line position comprises a first line position and a second line position, the first line position is connected to the line position seat in a sliding manner, the driving device is connected to the second line position, the first line position is provided with a line position accommodating cavity, the insert comprises a first insert, a second insert, a third insert and a fourth insert, the second insert is fixed at the top of the first line position, the second insert is provided with a abdicating groove, the third insert is installed in the line position accommodating cavity and extends to the abdicating groove, the side surface of the line position accommodating cavity is provided with an oblique through hole, a first oblique groove corresponding to the oblique through hole is formed in the third insert, the first insert is connected to the second line position, and the first insert is connected to the first oblique groove in a sliding manner, the fourth insert is connected with the third insert in a sliding mode.

2. The core-pulling mechanism as claimed in claim 1, wherein the seat comprises a base and an inclined portion, the inclined portion is fixed to an upper end of the base, and the inclined portion is inclined downward from an end close to the second seat to an end away from the second seat.

3. The novel telescoping core pulling mechanism as claimed in claim 2, wherein the inclined portion is provided with a second inclined groove, the bottom end of the first row is provided with a first T-shaped inclined projection, and the first row is slidably connected with the second inclined groove through the first T-shaped inclined projection.

4. The novel telescoping core pulling mechanism according to claim 1, wherein the second insert comprises a second insert table, a first clamping block is arranged at the bottom end of the second insert table, a first clamping groove is arranged at the first line, the first clamping block is clamped with the first clamping groove, an insert boss is arranged at the top end of the second insert table, the insert boss is provided with the abdicating groove, the third insert extends outwards from the line accommodating cavity to the abdicating groove of the insert boss, and the fourth insert is arranged in the abdicating groove and is connected with the third insert in a sliding manner.

5. The novel telescoping core pulling mechanism according to claim 4, wherein the third insert comprises a third insert table and an extension table, the third insert table is mounted in the slide cavity, the extension table is arranged at the top end of the third insert table and extends into the recess groove of the insert boss, one side surface of the extension table is an inclined surface, a second T-shaped inclined protrusion is arranged on the inclined surface of the extension table, a third inclined groove is arranged on the fourth insert, and the fourth insert is slidably connected with the second T-shaped inclined protrusion of the extension table through the third inclined groove.

6. The core pulling mechanism as claimed in claim 1, wherein the driving device has a second locking block, the second row has a second locking groove, and the driving device is locked with the second locking groove of the second row by the second locking block.

7. The novel telescoping core-pulling mechanism as claimed in claim 1, wherein said drive means is a cylinder drive.

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