CN218519099U

CN218519099U - Mold for demolding deep-cavity products

Info

Publication number: CN218519099U
Application number: CN202222751039.XU
Authority: CN
Inventors: 朱晓龙; 宁林英; 吕腾
Original assignee: Hangzhou Hebei Mould Co ltd
Current assignee: Hangzhou Hebei Mould Co ltd
Priority date: 2022-10-19
Filing date: 2022-10-19
Publication date: 2023-02-24
Anticipated expiration: 2032-10-19

Abstract

The utility model discloses a mold for demolding deep cavity products, which comprises an upper mold, a lower mold corresponding to the upper mold and a sprue body arranged on the upper mold; a demoulding oil cylinder assembly is arranged between the lower die and the upper die; the demoulding oil cylinder component is arranged on a demoulding plate between the upper mould and the lower mould, a demoulding oil cylinder arranged on the side surface of the demoulding plate, a demoulding clamping block connected with the demoulding oil cylinder and an extrusion plate connected with the demoulding plate. The utility model, through the arrangement of the demoulding oil cylinder component, can not leave traces on the deep cavity product when the product is demoulded, thereby improving the product quality; after the deep cavity product is demoulded, the deep cavity product does not need to be manually taken out by workers, so that the processing efficiency is improved.

Description

Mold for demolding deep-cavity products

Technical Field

The utility model relates to the technical field of mold, concretely relates to a mould for deep cavity product drawing of patterns.

Background

The injection molding process is also called as injection molding process, and has the advantages of high production speed, high efficiency, automation operation and suitability for the molding processing fields of products with large extension and complex shapes.

When an existing mold is used for demolding a deep-cavity product, the deep-cavity product is ejected out by an ejector pin, ejector pin marks are easily left at the contact position of the product and the ejector pin, product quality is affected, workers need to take out the product, and production efficiency is low. Therefore, the utility model provides a mould for magical rifle product drawing of patterns.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a mould for drawing of patterns of dark chamber product, solve the background art, dark chamber product when carrying out the drawing of patterns, the thimble can produce the thimble vestige in dark chamber product bottom, influences product quality and workman's product that need take out production efficiency's problem with the drawing of patterns.

In order to achieve the purpose, the utility model provides a mold for demolding deep cavity products, which comprises an upper mold, a lower mold corresponding to the upper mold and a sprue body arranged on the upper mold; a demoulding oil cylinder assembly is arranged between the lower die and the upper die; the demoulding oil cylinder component is arranged on a demoulding plate between the upper mould and the lower mould, a demoulding oil cylinder arranged on the side surface of the demoulding plate, a demoulding clamping block connected with the demoulding oil cylinder and an extrusion plate connected with the demoulding plate.

Optionally, the stripper plate is provided with a chute corresponding to the stripping clamping block; the stripper plate is provided with a mounting plate positioned at the notch of the chute; the demoulding oil cylinder is arranged on the mounting plate; an extrusion block is arranged on the upper die; the bottom of the lower die is connected with two stop blocks; the extrusion plate is positioned between the two stop blocks.

Optionally, an avoiding circular groove is formed in the extrusion block, and a matching block corresponding to the extrusion block is arranged on the demolding clamping block; a connecting groove is formed in a telescopic rod of the demolding oil cylinder; and limiting grooves are arranged on two side walls of the sliding groove.

Optionally, a connecting square groove is formed in the demolding clamping block, and a connecting block matched with the connecting groove is arranged in the connecting square groove; a limiting block is arranged in the limiting groove; and the two ends of the demoulding clamping block are respectively provided with a sliding block which is integrally processed and formed and is contacted with the bottom of the limiting block.

Optionally, the bottoms of the two stop blocks are connected with a lower die holder; the top of the upper die is connected with a connecting block; and the lower die is provided with an avoiding hole.

Optionally, a baffle plate which is in contact with the top of the lower die holder and is in contact with the bottom of the extrusion plate 45 is arranged between the two baffle blocks; the extrusion plate is provided with a connecting column which is connected with the stripper plate and corresponds to the avoidance hole; and a limiting hole is formed in the lower die.

Optionally, a spring with the bottom contacting with the extrusion plate is sleeved on the connecting column, and the spring is positioned in the limiting hole; and the lower die base is provided with a top hole.

Optionally, an upper mold cavity block communicated with the gate body is mounted on the upper mold; the lower die is provided with a lower die cavity block corresponding to the upper die cavity block; an upper die holder is arranged on the connecting block.

Compared with the prior art, the utility model provides a mould for dark chamber product drawing of patterns possesses following beneficial effect:

according to the mold for demolding the deep cavity product, due to the arrangement of the demolding oil cylinder assembly, when the product is demolded, the injection molding machine pushes the oil cylinder to move, the oil cylinder carries out limiting clamping on the deep cavity product, the oil cylinder can drive the deep cavity product to demold, and due to the fact that the local contact area of the demolding clamping block on the oil cylinder and the deep cavity product is large, traces cannot be left on the deep cavity product when the oil cylinder drives the deep cavity product to demold, and therefore product quality is improved; after the deep cavity product is demoulded, the telescopic rod of the oil cylinder is controlled to contract, the deep cavity product drops, the product is taken out, and a worker does not need to take out the product manually, so that the processing efficiency is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the utility model with the upper mold, the connecting block and the upper mold base removed;

FIG. 3 is a schematic view of the connection structure of the stripper plate and the stripper plate of the present invention;

fig. 4 is a schematic structural view of the stripper plate of the present invention;

FIG. 5 is a schematic structural view of the demolding clamping block of the present invention;

fig. 6 is a schematic structural view of the demolding oil cylinder of the present invention;

fig. 7 is a schematic structural view of the upper die, the upper die cavity block and the extrusion block of the present invention;

fig. 8 is a schematic structural view of the lower mold and the lower mold cavity block of the present invention;

fig. 9 is a schematic structural view of the top hole of the present invention.

The following are marked in the figure: 1. an upper die; 11. extruding the block; 111. avoiding the circular groove; 12. connecting blocks; 13. an upper mold cavity block; 14. an upper die holder; 2. a lower die; 21. a stopper; 22. a lower die holder; 221. a top hole; 23. avoiding holes; 24. a baffle plate; 26. connecting columns; 27. a limiting hole; 28. a spring; 29. a lower die cavity block; 3. a gate body; 4. demolding the oil cylinder assembly; 41. a stripper plate; 411. a chute; 412. mounting a plate; 42. a demoulding oil cylinder; 421. connecting grooves; 43. demolding the clamping block; 431. a matching block; 432. connecting the square groove; 433. connecting blocks; 434. a slider; 44. a limiting groove; 441. a limiting block; 45. a pressing plate; 5. and (5) producing the product.

Detailed Description

The following detailed description and specific examples are described in connection with the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may be embodied in many different forms without departing from the spirit or essential characteristics thereof, which should not be construed as limited to the embodiments set forth herein.

The utility model discloses a mould for dark chamber product drawing of patterns can be applicable to occasions such as dark chamber product drawing of patterns, also can be used to other similar application scenes certainly, carries out detailed description to a mould that is used for dark chamber product drawing of patterns below.

Referring to the accompanying drawings, fig. 1-9 show schematic structural views of a preferred embodiment of the mold for demolding deep-cavity products according to the present invention. The mould for demoulding the deep cavity product comprises an upper mould 1, a lower mould 2 corresponding to the upper mould 1 and a sprue body 3 arranged on the upper mould 1; a demoulding oil cylinder assembly 4 is arranged between the lower die 2 and the upper die 1, the demoulding oil cylinder assembly 4 is arranged on an ohmic plate 41 between the upper die 1 and the lower die 2, a demoulding oil cylinder 42 arranged on the side surface of the demoulding plate 41, a demoulding clamping block 43 connected with the demoulding oil cylinder 42 and an extrusion plate 45 connected with the demoulding plate 41; the utility model discloses a setting of stripper cylinder subassembly 4, when needs are demolded, the opportunity of moulding plastics promotes baffle 24 and removes, baffle 24 can promote stripper plate 45 and remove, stripper plate 45 drives spliced pole 26 and removes, spliced pole 26 drives stripper plate 41 and removes, stripper plate 41 drives stripper cylinder 42 and removes, stripper cylinder 42 drives demoulding clamp 43 and removes, demoulding clamp 43 drives product 5 and demolds, because demoulding clamp 43 compares in every thimble and product 5's area of contact big with every local area of contact of product 5, consequently demoulding clamp 43 when driving product 5 and demold, can not flow down the impression on product 5, thereby improve product quality, and the back is accomplished in the drawing of patterns, only need stripper cylinder 42 to contract and can take off the product, the workman does not need manually to take out the product, thereby production efficiency has been improved.

Referring to fig. 1-7, in the present invention, a sliding slot 411 corresponding to the stripping clamping block 43 is provided on the stripping plate 41, a mounting plate 412 located at the notch of the sliding slot 411 is installed on the stripping plate 41, the stripping oil cylinder 42 is installed on the mounting plate 412, the upper die 1 is provided with the extrusion block 11, the bottom of the lower die 2 is connected with two stoppers 21, and the extrusion plate 45 is located between the two stoppers 21; wherein, the extrusion block 11 is provided with an avoiding circular groove 111, the demoulding clamping block 43 is provided with a matching block 431 corresponding to the extrusion block 11, the telescopic rod of the demoulding oil cylinder 42 is provided with a connecting groove 421, and two side walls of the sliding groove 411 are provided with limit grooves 44; the utility model guides the moving direction of the demoulding clamping block 43 through the arrangement of the sliding chute 411, and provides a sliding condition for the demoulding clamping block 43, so that the demoulding oil cylinder 42 can drive the demoulding clamping block 43 to slide; through the arrangement of the mounting plate 412, mounting conditions are provided for the mounting of the demoulding oil cylinder 42, and the situation that the demoulding oil cylinder 42 cannot be mounted due to the fact that the groove width of the sliding groove 411 is too large is prevented; through the arrangement of the extrusion block 11, the matching block 431 can be extruded during die assembly, so that the demolding clamping block 43 is ensured to move in place, the situation that the oil cylinder 42 drives the demolding clamping block 43 to move out of place is prevented, the situation that the demolding clamping block 43 cannot clamp a product is prevented, and the product can be clamped by the demolding oil cylinder 42 when the demolding plate 41 drives the demolding oil cylinder 42 to move, so that the product is demolded; by the arrangement of the avoidance circular groove 111, the telescopic rod of the demoulding oil cylinder 42 is avoided, and interference with the telescopic rod of the demoulding oil cylinder is prevented.

Referring to fig. 2-6, in the present invention, a connecting square groove 432 is disposed on the demolding clamping block 43, a connecting block 433 adapted to the connecting groove 421 is disposed in the connecting square groove 432, a limiting block 441 is disposed in the limiting groove 44, and two ends of the demolding clamping block 43 are both provided with a sliding block 434 integrally formed and contacting with the bottom of the limiting block 441; wherein the bottoms of the two check blocks 21 are connected with a lower die holder 22 through bolts; the utility model discloses a setting of stopper 441, cooperation slider 434 carries on spacingly to drawing of patterns clamp 43, makes drawing of patterns clamp 43 can only slide, can't separate with spout 411, ensures that drawing of patterns clamp 43 can carry out normal slip.

Referring to fig. 3-9, in the present invention, a baffle 24 contacting the top of the lower die holder 22 and contacting the bottom of the extrusion plate 45 is disposed between the two stoppers 21, the extrusion plate 45 is provided with a connecting post 26 connected to the stripper plate 41 and corresponding to the avoiding hole 23, and the lower die 2 is provided with a limiting hole 27; wherein, the connecting column 26 is sleeved with a spring 28 with the bottom contacting with the extrusion plate 45, the spring 28 is positioned in the limiting hole 27, and the lower die holder 22 is provided with a top hole 221; the utility model discloses a spliced pole 26 sets up for stripper plate 45 and stripper plate 41 carry out fixed connection, when baffle 24 promoted stripper plate 45 and move, can promote spliced pole 26 simultaneously, because stripper plate 41 passes through the bolt fixed connection on spliced pole 26, so spliced pole 26 can drive stripper plate 41 and move, thereby make stripper plate 41 can drive stripper cylinder 42 and carry out the drawing of patterns of product 5; the spring 28 is guided and limited through the arrangement of the limiting hole 27, so that the situation that the spring 28 is damaged due to the deflection of the spring 28 when the spring 28 is extruded by the extrusion plate 45 is prevented; through the arrangement of the spring 28, after the product 5 is demoulded, the spring 28 can reset to push the extrusion plate 45 to reset, the extrusion plate 45 drives the demoulding plate 41 to reset, preparation is made for next injection moulding and demould of the product 5, and manual reset by workers is not needed, so that the production efficiency is improved, and clamping damage of the workers caused by the mould in the resetting process of the workers is prevented; through the setting of apical pore 221 for can extrude baffle 24 through apical pore 221 on the injection molding machine, make and promote baffle 24 and remove, make baffle 24 promote stripper plate 45 and remove, stripper plate 45 drives stripper plate 41 and carries out the product 5 drawing of patterns.

Additionally, the utility model discloses in, go up and install the last die cavity piece 13 that is linked together with runner body 3 on the mould 1, install on the lower mould 2 with last die cavity piece 13 corresponding lower die cavity piece 29, install upper die base 14 on the connecting block 12.

Referring to the attached drawings 1-9, the utility model is used by firstly installing a mold on an injection molding machine, the injection molding machine respectively drives an upper mold 1 and a lower mold 2 to close the mold through an upper mold base 14 and a lower mold base 22, a pressurizing block 11 on the upper mold 1 extrudes and limits a matching block 431 during mold closing, the matching block 31 is fixedly connected with a demolding clamping block 43, so as to limit the position of the demolding clamping block 43, and prevent the inaccurate position of the demolding clamping block 43 during mold closing and the failure of taking out a product 5 or damaging the product 5 during demolding, thereby protecting the product 5, after mold closing is completed, even if the upper mold cavity block 13 and the lower mold cavity block 29 are corresponding, the injection molding machine performs injection molding of the product 5 through a sprue body 3, after the product 5 is injection molded, the injection molding machine drives the upper mold 1 and the lower mold 2 to be separated through the upper mold base 14 and the lower mold base 22, the extrusion block 11 on the upper mold 1 is separated from the matching block 431, the extrusion block 11 does not extrude the matching block 431 any more, and does not limit the matching block 431 any more, that is, the demoulding clamping block 43 does not limit any more, then the ejection device on the injection molding machine passes through the top hole 221, the baffle plate 24 and the connecting column 26 are pushed to move towards the product 5, because the top of the connecting column 26 contacts with the bottom of the demoulding plate 41, the demoulding plate 41 is fixedly connected with the top of the connecting column 26 through bolts, so that the connecting column 26 pushes the demoulding plate 41 to move, at the same time, the spring 28 starts to deform and contract, the demoulding plate 41 drives the mounting plate 412 and the demoulding clamping block 43 which are arranged on the side surface to move towards the upper mold 1, the mounting plate 412 drives the demoulding cylinder 42 to move towards the upper mold 1, therefore, the demoulding cylinder 42 and the demoulding clamping block 43 synchronously move, and the product 5 is clamped by the demoulding clamping block 43, therefore, the demolding clamping block 43 can drive the product 5 to move, so that the product 5 is separated from the lower mold cavity block 29, demolding of the product 5 is completed, then the telescopic rod of the demolding oil cylinder 42 starts to contract, and as the telescopic rod of the oil cylinder 42 is provided with the connecting groove 421, and the demolding clamping block 43 is provided with the connecting block 433 matched with the connecting groove 421, the telescopic rod of the demolding oil cylinder 42 is axially connected with the demolding clamping block 43, and the limiting block 441 limits the sliding block 434 of the demolding clamping block 43, so that the demolding clamping block 43 can move along the sliding groove 411 through the telescopic cylinder of the demolding oil cylinder 42, and the telescopic rod of the demolding oil cylinder 42 drives the demolding clamping block 43 to move, so that the demolding clamping block 43 does not clamp the product 5 any more and is separated from the product 5, at this time, the product 5 falls down from the demolding clamping block 43 for collection, and workers do not need to take the product 5 down from the mold, thereby improving the processing efficiency; after the demoulding oil cylinder 42 is retracted, the ejection device on the injection molding machine is recovered, no force is applied to the baffle plate 24, no force is applied to the connecting column 26 and the extrusion plate 45 by the baffle plate 24, no force is applied to the spring 28 by the extrusion plate 45, the spring 28 starts to reset, the extrusion plate 45 is pushed to move and reset towards the direction of the lower die holder 22 of the mold 3, the extrusion plate 45 pushes the baffle plate 24 and the connecting column 26 to move and reset, the connecting column 26 drives the demoulding plate 41 to move and reset, and the demoulding plate 41 drives the demoulding clamping block 43 and the demoulding oil cylinder 42 to move and reset, so that preparation is made for next injection molding and demoulding of the product 5.

The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any is right the utility model discloses scheme after simply changing all belongs to the protection scope of the utility model.

Claims

1. A mold for demolding a deep cavity product comprises an upper mold (1), a lower mold (2) corresponding to the upper mold (1) and a sprue body (3) arranged on the upper mold (1); the device is characterized in that a demoulding oil cylinder assembly (4) is arranged between the lower die (2) and the upper die (1); the demolding oil cylinder assembly (4) is arranged on a demolding plate (41) between the upper mold (1) and the lower mold (2), a demolding oil cylinder (42) installed on the side face of the demolding plate (41), a demolding clamping block (43) connected with the demolding oil cylinder (42) and an extrusion plate (45) connected with the demolding plate (41).

2. A mould for demoulding of deep cavity products according to claim 1, wherein the stripper plate (41) is provided with slide slots (411) corresponding to the stripper clamp blocks (43); the stripper plate (41) is provided with a mounting plate (412) positioned at the notch of the chute (411); the demoulding oil cylinder (42) is arranged on the mounting plate (412); an extrusion block (11) is arranged on the upper die (1); the bottom of the lower die (2) is connected with two stop blocks (21); the extrusion plate (45) is positioned between the two stop blocks (21).

3. The mould for demoulding a deep-cavity product according to claim 2, wherein an avoiding circular groove (111) is arranged on the extrusion block (11), and a matching block (431) corresponding to the extrusion block (11) is arranged on the demoulding clamping block (43); a connecting groove (421) is arranged on a telescopic rod of the demoulding oil cylinder (42); and two side walls of the sliding groove (411) are provided with limit grooves (44).

4. The mold for demolding a deep-cavity product as claimed in claim 3, wherein a connecting square groove (432) is formed in the demolding clamping block (43), and a connecting block (433) matched with the connecting groove (421) is arranged in the connecting square groove (432); a limiting block (441) is arranged in the limiting groove (44); and two ends of the demolding clamping block (43) are provided with sliding blocks (434) which are integrally machined and formed and are in contact with the bottoms of the limiting blocks (441).

5. The mould for demoulding of deep cavity products according to claim 2, wherein the two blocks (21) are connected with a lower mould base (22) at the bottom; the top of the upper die (1) is connected with a connecting block (12); and the lower die (2) is provided with an avoidance hole (23).

6. The mould for demoulding of deep cavity products according to claim 2 or 5, characterized in that a baffle (24) is arranged between the two blocks (21) and is in contact with the top of the lower die holder (22) and the bottom of the extrusion plate (45); the extrusion plate (45) is provided with a connecting column (26) which is connected with the demoulding plate (41) and corresponds to the avoidance hole (23); and a limiting hole (27) is formed in the lower die (2).

7. The mould for demoulding of deep cavity products according to claim 6, wherein the connecting column (26) is sleeved with a spring (28) with the bottom contacting with the extrusion plate (45), the spring (28) is positioned in the limiting hole (27); and the lower die base (22) is provided with a top hole (221).

8. A mould for deep cavity product demoulding according to claim 1 or 5, wherein the upper mould (1) is provided with an upper mould cavity block (13) communicating with the sprue body (3); a lower die cavity block (29) corresponding to the upper die cavity block (13) is arranged on the lower die (2); an upper die holder (14) is arranged on the connecting block (12).