CN215589846U

CN215589846U - Anti-deformation injection mold demolding device

Info

Publication number: CN215589846U
Application number: CN202121325895.8U
Authority: CN
Inventors: 李春生
Original assignee: Kunshan Chengzhihong Electronic Technology Co ltd
Current assignee: Kunshan Chengzhihong Electronic Technology Co ltd
Priority date: 2021-06-15
Filing date: 2021-06-15
Publication date: 2022-01-21
Anticipated expiration: 2031-06-15

Abstract

The utility model relates to the technical field of injection molds and discloses an anti-deformation injection mold demolding device which comprises a middle plate, wherein a lower mold is movably sleeved in the middle of the middle plate, connecting plates are fixedly mounted on two sides of the bottom of the lower mold, an air cylinder is fixedly mounted at the top of each connecting plate, and the lower part of the air cylinder is fixedly sleeved on the middle plate. This prevent injection mold shedder of deformation, utilize the connecting plate to drive the bed die downstream as the drive through the cylinder, the bed die removes when for the mould base this moment, because the bottom and the cylinder of bed die are connected, drive cylinder downstream when the bed die downstream, slowly with separation between model and the bed die, the fashioned quality of mould has been improved greatly, make and mould the cooling setting fast, the problem of the model get under the unmodeled condition piece easily because of dragging and lead to warping has been solved, the qualification rate of product has been improved, the production of reworking spare has been reduced.

Description

Anti-deformation injection mold demolding device

Technical Field

The utility model relates to the technical field of injection molds, in particular to an anti-deformation injection mold demoulding device.

Background

Injection molding is a tool for producing plastic products and also for giving the plastic products complete structure and precise dimensions, and injection molding is a processing method used for mass production of parts with complex shapes.

In the prior art, most of injection molding devices are operated manually, because an upper die and a lower die inject a product under the action of high pressure, the product is relatively compact, the plasticity is relatively high due to high temperature, and the stress of the injection molding product is uneven due to forced demolding of workers, so that the deformation of the injection molding product is easy to occur, the qualification rate of the product is seriously influenced, the working strength of the workers is increased, and the working efficiency of injection molding is reduced; the plastic cooling efficiency is low, and the cooling is not uniform enough, so that the plastic molding is slow, and the part taking is easy to deform due to pulling; the die cavity is fixed, and the equipment can only produce the mould of a certain fixed model, greatly reduced injection mold work's efficiency problem.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the anti-deformation injection mold demolding device which has the advantage of deformation prevention and solves the problems in the background technology.

The utility model provides the following technical scheme: the utility model provides a prevent injection mold shedder of deformation, includes the medium plate, the middle part activity of medium plate has cup jointed the bed die, the equal fixed mounting in both sides of bed die bottom has the connecting plate, the top fixed mounting of connecting plate has the cylinder, the lower part of cylinder is fixed to be cup jointed on the medium plate, the bottom fixed mounting of medium plate has the second pillar, the bottom fixed mounting of second pillar has the bottom plate, the top fixed mounting of bottom plate has first pillar, the top fixed mounting of first pillar has the mould base that is located the bed die inner chamber, the round hole has been seted up to the bottom of mould base, the cylinder has been cup jointed in the inner chamber activity of round hole, cylindrical bottom fixed mounting is on the bottom of bed die inner chamber.

Choice, the side all is fixed to have cup jointed first connecting pipe around the mould base lower part, the fixed second connecting pipe that has cup jointed in bottom of first connecting pipe, the fixed third connecting pipe that has cup jointed in bottom of second connecting pipe, the fixed inflator that has cup jointed in one end of third connecting pipe, the bottom fixed mounting of inflator is on the top of bottom plate, the bottom fixed mounting of connecting plate has the piston, the piston activity cup joints in the inner chamber of inflator.

And in selection, the first connecting pipe is communicated with the circular hole, and the top of the first connecting pipe is positioned at the upper part of the inner cavity of the circular hole.

And in selection, the lower part of the third connecting pipe penetrates through the first support to be connected with the air cylinder, and the two sides of the cylinder are provided with the first connecting pipe, the second connecting pipe and the third connecting pipe.

Carefully selecting, square mouth has been seted up to the both sides of bed die bottom, the inner chamber contactless of square mouth is provided with first pillar.

Carefully, the outside at mould base top contacts with the inner wall of bed die, the square opening has been seted up at the middle part of medium plate, and the inner wall of square opening all contacts with the outer wall of bed die.

Compared with the prior art, the utility model has the following beneficial effects:

1. this prevent injection mold shedder of deformation, utilize the connecting plate to drive the bed die downstream as the drive through the cylinder, the bed die removes when for the mould base this moment, because the bottom and the cylinder of bed die are connected, drive cylinder downstream when the bed die downstream, slowly with separation between model and the bed die, the fashioned quality of mould has been improved greatly, make and mould the cooling setting fast, the problem of the model get under the unmodeled condition piece easily because of dragging and lead to warping has been solved, the qualification rate of product has been improved, the production of reworking spare has been reduced.

2. This prevent injection mold shedder of deformation is provided with inflator and piston through the bottom of connecting plate, when the device demolds, drives the piston and moves down, with in the gas propulsion third connecting tube in the inflator, gas enters into the round hole through first connecting tube and second connecting tube, blows on the model in the mould base inner chamber for the model can rapid cooling solidify, reduces the possibility of model drawing of patterns deformation.

Drawings

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

FIG. 2 is a schematic bottom perspective view of the present invention;

FIG. 3 is a schematic exploded perspective view of the upper and lower molds of the present invention;

fig. 4 is a schematic diagram of an exploded three-dimensional structure between a round hole and a cylinder according to the present invention.

In the figure: 1. a middle plate; 2. a lower die; 3. a connecting plate; 4. a cylinder; 5. a first support; 6. a mold base; 7. a circular hole; 8. a cylinder; 9. a first connecting pipe; 10. a second connecting pipe; 11. a third connecting pipe; 12. an air cylinder; 13. a piston; 14. a second support; 15. a base plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, an anti-deformation injection mold demolding device comprises a middle plate 1, a lower mold 2 is movably sleeved in the middle of the middle plate 1, square openings are formed in two sides of the bottom of the lower mold 2, a first support 5 is arranged in a non-contact manner in an inner cavity of each square opening, the bottom of the lower mold 2 is connected with the first support 5 through the square openings, so that the normal movement of the lower mold 2 is not affected by the installation of the first support 5 and a mold base 6, connecting plates 3 are fixedly installed on two sides of the bottom of the lower mold 2, an air cylinder 4 is fixedly installed at the top of each connecting plate 3, the lower portion of each air cylinder 4 is fixedly sleeved on the middle plate 1, a second support 14 is fixedly installed at the bottom of the middle plate 1, a bottom plate 15 is fixedly installed at the bottom of each second support 14, a first support 5 is fixedly installed at the top of each bottom plate 15, a mold base 6 located in the inner cavity of the lower mold 2 is fixedly installed at the top of each first support 5, the front side and the rear side of the lower part of the mold base 6 are fixedly sleeved with a first connecting pipe 9, the bottom of the first connecting pipe 9 is fixedly sleeved with a second connecting pipe 10, the bottom of the second connecting pipe 10 is fixedly sleeved with a third connecting pipe 11, one end of the third connecting pipe 11 is fixedly sleeved with an air cylinder 12, the bottom of the air cylinder 12 is fixedly installed on the top of a bottom plate 15, the bottom of the connecting plate 3 is fixedly provided with a piston 13, the piston 13 is movably sleeved in the inner cavity of the air cylinder 12, the air cylinder 12 and the piston 13 are arranged at the bottom of the connecting plate 3, when the device is used for demolding, the piston 13 is driven to move downwards, the air in the air cylinder 12 is pushed into the third connecting pipe 11, the air enters the round hole 7 through the first connecting pipe 9 and the second connecting pipe 10 and is blown on a mold in the inner cavity of the mold base 6, so that the mold can be rapidly cooled and solidified, the possibility of mold demolding deformation is reduced, and the first connecting pipe 9 is communicated with the round hole 7, and the top of the first connecting pipe 9 is positioned at the upper part of the inner cavity of the round hole 7, because the first connecting pipe 9 is communicated with the round hole 7, the gas in the first connecting pipe 9 can enter the round hole 7, and the top of the first connecting pipe 9 is positioned at the upper part of the inner cavity of the round hole 7, the gas can enter the round hole 7 when the cylinder 8 moves downwards, the lower part of the third connecting pipe 11 passes through the first pillar 5 to be connected with the gas cylinder 12, the two sides of the cylinder 8 are respectively provided with the first connecting pipe 9, the second connecting pipe 10 and the third connecting pipe 11, because the two sides of the cylinder 8 are respectively provided with the first connecting pipe 9, the second connecting pipe 10 and the third connecting pipe 11, enough gas is provided for cooling and shaping of the mold, the outer side of the top of the mold base 6 is contacted with the inner wall of the lower mold 2, the middle part of the middle plate 1 is provided with a square opening, and the inner wall of the square opening is contacted with the outer side of the outer wall of the lower mold 2, and is contacted with the inner wall of the lower mold base 2 through the outer side of the top of the mold base 6, avoided the liquid of moulding plastics to flow from the gap between mould base 6 and bed die 2, and utilized mould base 6 to clear up the adhesion at the impurity of 6 inner walls of mould base when bed die 2 removes, round hole 7 has been seted up to the bottom of mould base 6, and cylinder 8 has been cup jointed in the inner chamber activity of round hole 7, and the bottom fixed mounting of cylinder 8 is on the bottom of 2 inner chambers of bed die.

The working principle is as follows: when the device is used, when the device finishes injection molding and needs demolding, the external upper mold is separated from the model, then the cylinder 4 is started, the cylinder 4 drives the connecting plate 3 to move downwards, the lower mold 2 is driven to move downwards, the mold base 6 in the inner cavity of the lower mold 2 is utilized to separate the model from the lower mold 2, the cylinder 8 is driven to move downwards by the movement of the lower mold 2, the connecting plate 3 moves downwards at the moment, the piston 13 is pushed to move downwards, gas in the gas cylinder 12 is pushed into the third connecting pipe 11, enters the round hole 7 through the first connecting pipe 9 and the second connecting pipe 10 and is blown onto the model in the inner cavity of the mold base 6, and the efficiency of cooling and solidification of the model is accelerated.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Meanwhile, in the drawings of the utility model, the filling pattern is only used for distinguishing the layers and is not limited at all.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an prevent injection mold shedder of deformation, includes medium plate (1), its characterized in that: a lower die (2) is movably sleeved in the middle of the middle plate (1), connecting plates (3) are fixedly arranged on two sides of the bottom of the lower die (2), the top of the connecting plate (3) is fixedly provided with an air cylinder (4), the lower part of the air cylinder (4) is fixedly sleeved on the middle plate (1), a second support column (14) is fixedly arranged at the bottom of the middle plate (1), a bottom plate (15) is fixedly arranged at the bottom of the second support column (14), a first supporting column (5) is fixedly arranged at the top of the bottom plate (15), a mould base (6) positioned in the inner cavity of the lower mould (2) is fixedly arranged at the top of the first supporting column (5), a round hole (7) is arranged at the bottom of the mould base (6), a cylinder (8) is movably sleeved in the inner cavity of the round hole (7), the bottom of the cylinder (8) is fixedly arranged on the bottom of the inner cavity of the lower die (2).

2. A deformation-resistant injection mold release device, as claimed in claim 1, wherein: the front and back side of mould base (6) lower part all is fixed cup joints first connecting pipe (9), the fixed second connecting pipe (10) that has cup jointed in bottom of first connecting pipe (9), the fixed third connecting pipe (11) that has cup jointed in bottom of second connecting pipe (10), the fixed cover of one end of third connecting pipe (11) has cup jointed inflator (12), the bottom fixed mounting of inflator (12) is on the top of bottom plate (15), the bottom fixed mounting of connecting plate (3) has piston (13), piston (13) activity cup joints in the inner chamber of inflator (12).

3. A deformation-resistant injection mold release device, as claimed in claim 2, wherein: the first connecting pipe (9) is communicated with the round hole (7), and the top of the first connecting pipe (9) is positioned at the upper part of the inner cavity of the round hole (7).

4. A deformation-resistant injection mold release device, as claimed in claim 2, wherein: the lower part of the third connecting pipe (11) penetrates through the first support (5) to be connected with the air cylinder (12), and the first connecting pipe (9), the second connecting pipe (10) and the third connecting pipe (11) are arranged on two sides of the cylinder (8).

5. A deformation-resistant injection mold release device, as claimed in claim 1, wherein: square openings are formed in two sides of the bottom of the lower die (2), and a first support (5) is arranged in an inner cavity of each square opening in a non-contact mode.

6. A deformation-resistant injection mold release device, as claimed in claim 1, wherein: the outer side of the top of the die base (6) is in contact with the inner wall of the lower die (2), a square opening is formed in the middle of the middle plate (1), and the inner wall of the square opening is in contact with the outer wall of the lower die (2).