CN211031090U

CN211031090U - Mould convenient to drawing of patterns

Info

Publication number: CN211031090U
Application number: CN201922018986.6U
Authority: CN
Inventors: 冯爱琼
Original assignee: Shenzhen Haohailong Precision Mold Hardware Co ltd
Current assignee: Shenzhen Haohailong Precision Mold Hardware Co ltd
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-07-17
Anticipated expiration: 2029-11-21

Abstract

The utility model belongs to the technical field of the mould, especially, a mould convenient to drawing of patterns, to current injection mold after finishing, often have between machined part and the mould laminating too closely, and lead to can't pull down it, the problem of inconvenience has been brought for people's use, the following scheme is put forward at present, it includes bed die and cope match-die, cope match-die and bed die block, the bottom fixed mounting of bed die has the mounting panel, be provided with the check valve on the bed die, the bottom of check valve extends to the below of mounting panel, the bottom of mounting panel has seted up the gas transmission case, sealed sliding connection has the sealed gleitbretter in the gas transmission case, and the sealed gleitbretter becomes the pressurized cavity with the gas transmission case; the utility model discloses convenient operation, after the bed die finishes with last mould injection moulding machined part, can make to pressurize the chamber and exert pressure in to the bed die through the rotation rolling disc that does not stop, and then be convenient for pull down the machined part from the bed die, it is comparatively convenient to operate.

Description

Mould convenient to drawing of patterns

Technical Field

The utility model relates to the technical field of mold, especially, relate to a mould convenient to drawing of patterns.

Background

The mould is various moulds and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. In short, a mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts. The processing of the appearance of an article is realized mainly through the change of the physical state of a formed material. The element has the name of "industrial mother".

After the existing injection mold finishes injection molding, a workpiece and the mold are often too tightly attached to each other, so that the workpiece and the mold cannot be detached, and inconvenience is brought to people in use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the injection mold who exists among the prior art and after finishing moulding plastics, often have between machined part and the mould laminating too closely, and lead to can't pull down it, the use of giving people has brought inconvenient shortcoming, and the mould of the drawing of patterns of being convenient for that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a mold convenient for demolding comprises a lower mold and an upper mold, wherein the upper mold and the lower mold are clamped with each other, a mounting plate is fixedly mounted at the bottom of the lower mold, a check valve is arranged on the lower mold, the bottom of the check valve extends to the position below the mounting plate, a gas transmission box is arranged at the bottom of the mounting plate, a sealing slide sheet is connected in the gas transmission box in a sealing and sliding mode and enables the gas transmission box to form a pressurizing cavity, a connecting pipe communicated with the pressurizing cavity is arranged on one side of the gas transmission box and fixedly connected with the check valve, a push-pull shaft is fixedly mounted on one side of the sealing slide sheet, one end of the push-pull shaft extends to one side of the gas transmission box, two symmetrically arranged air inlet holes are formed in the sealing slide sheet, four slide shafts which are symmetrically arranged in pairs are fixedly mounted on one side of the sealing slide sheet, and the two slide shafts which are positioned on the same side are, the outer side of the sliding shaft is sleeved with a return spring, one end of the return spring is fixedly connected with the outer side of the sliding shaft, the other end of the return spring is fixedly connected with one side of a blocking ball, and the two blocking balls are respectively positioned at one side of the two air inlet holes; after the injection molding of the lower die and the upper die is finished, the pressurizing cavity can apply pressure to the lower die through the ceaseless rotating disc, the workpiece is conveniently detached from the lower die, and the operation is convenient.

Preferably, the bottom of the mounting plate is fixedly provided with a fixing plate, one side of the fixing plate is rotatably connected with a rotating disc, one side of the rotating disc is fixedly connected with a handle, the rotating disc is rotatably connected with a connecting shaft in a position deviating from the center of a circle, one end of the connecting shaft is rotatably connected with one side of the push-pull shaft, when the sealing slip sheet needs to be pushed to reciprocate left and right, the rotating disc is rotated, the rotating disc can drive one end of the connecting shaft to rotate in a reciprocating mode, the other end of the connecting shaft can push the push-pull shaft to reciprocate, and when the push-pull shaft moves, gas in a pressurizing cavity can be pressed into the lower die.

Preferably, a plurality of vent holes are formed in the inner wall of the bottom of the air transmission box, the vent holes are located on the left side of the sealing sliding sheet, and outside air can enter the air transmission box conveniently through the vent holes.

Preferably, linear bearings are fixedly mounted at the top and the bottom of the blocking ball, two sliding shafts located at the same side respectively penetrate through inner rings of the two linear bearings and are in sliding connection with the inner rings of the linear bearings, and the linear bearings can be used for limiting the transverse movement of the sliding shafts, so that the transverse movement of the sliding shafts cannot deviate.

Preferably, the rubber ball is fixedly sleeved on the outer side of the blocking ball, and the rubber ball is matched with the air inlet hole in diameter.

In the utility model, after the injection molding of the lower die and the upper die is finished, the upper die is detached from the lower die, the rotating disc is rotated, the rotating disc can drive one end of the connecting shaft to rotate in a reciprocating manner, the other end of the connecting shaft can realize the pushing of the push-pull shaft to move in a reciprocating manner, when the push-pull shaft pushes the sealing slip sheet to move rightwards, air in the pressurizing cavity can be compressed, the internal pressure can push the plugging shaft to move leftwards and can plug the air inlet hole, so that the pressurizing cavity is in a relatively sealed state, and in the process that the sealing slip sheet continuously moves rightwards, the air pressure in the pressurizing cavity can be continuously increased, the sealing slip sheet can discharge the air in the pressurizing cavity into the lower die through the check valve, in the continuous rotating process of the rotating disc, the lower die can be continuously pressurized through the pressurizing cavity, and the workpiece on the lower die can be continuously jacke, so that the work piece can be removed from the lower die.

The utility model discloses convenient operation, after the bed die finishes with last mould injection moulding machined part, can make to pressurize the chamber and exert pressure in to the bed die through the rotation rolling disc that does not stop, and then be convenient for pull down the machined part from the bed die, it is comparatively convenient to operate.

Drawings

Fig. 1 is a schematic view of an overall structure of a mold convenient for demolding according to the present invention;

fig. 2 is a schematic cross-sectional structural view of a gas transmission box of the mold convenient for demolding according to the present invention;

fig. 3 is an enlarged schematic structural diagram of a portion a of the mold convenient for demolding.

In the figure: the device comprises a lower die 1, an upper die 2, a mounting plate 3, a check valve 4, an air transmission box 5, a fixing plate 6, a rotating disc 7, a connecting shaft 8, a push-pull shaft 9, a sealing slide sheet 10, a pressurizing cavity 11, an air vent 12, a connecting pipe 13, an air inlet 14, a sliding shaft 15, a return spring 16 and a blocking ball 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example one

Referring to fig. 1-3, a mold convenient for demolding comprises a lower mold 1 and an upper mold 2, the upper mold 2 and the lower mold 1 are clamped, a mounting plate 3 is fixedly mounted at the bottom of the lower mold 1, a check valve 4 is arranged on the lower mold 1, the bottom of the check valve 4 extends to the lower part of the mounting plate 3, an air transmission box 5 is arranged at the bottom of the mounting plate 3, a sealing slide sheet 10 is hermetically and slidably connected in the air transmission box 5, the sealing slide sheet 10 forms a pressurizing cavity 11 with the air transmission box 5, a connecting pipe 13 communicated with the pressurizing cavity 11 is arranged at one side of the air transmission box 5, the connecting pipe 13 is fixedly connected with the check valve 4, a push-pull shaft 9 is fixedly mounted at one side of the sealing slide sheet 10, one end of the push-pull shaft 9 extends to one side of the air transmission box 5, two symmetrically arranged air inlets 14 are arranged on the sealing slide sheet 10, four symmetrically arranged sliding shafts 15 are, the two sliding shafts 15 positioned on the same side are connected with the same blocking ball 17 in a sliding manner, the outer side of each sliding shaft 15 is sleeved with a return spring 16, one end of each return spring 16 is fixedly connected with the outer side of each sliding shaft 15, the other end of each return spring 16 is fixedly connected with one side of each blocking ball 17, and the two blocking balls 17 are respectively positioned on one side of the two air inlet holes 14; after the injection molding of the lower die 1 and the upper die 2 is finished, the pressurizing cavity 11 can apply pressure to the lower die 1 by continuously rotating the rotating disc 7, so that the workpiece can be conveniently detached from the lower die 1, and the operation is convenient.

Example two

The improvement is further based on the first embodiment: a fixed plate 6 is fixedly installed at the bottom of the installation plate 3, one side of the fixed plate 6 is rotatably connected with a rotating disc 7, one side of the rotating disc 7 is fixedly connected with a handle, the rotating disc 7 is rotatably connected with a connecting shaft 8 at a position deviating from the center of a circle, one end of the connecting shaft 8 is rotatably connected with one side of a push-pull shaft 9, when the sealing slip sheet 10 needs to be pushed to reciprocate left and right, the rotating disc 7 is rotated, the rotating disc 7 can drive one end of the connecting shaft 8 to rotate in a reciprocating manner, the other end of the connecting shaft 8 can push the push-pull shaft 9 to move in a reciprocating manner, and when the push-pull shaft 9 moves, gas in the pressurizing cavity 11 can be; a plurality of vent holes 12 are formed in the inner wall of the bottom of the air transmission box 5, the vent holes 12 are located on the left side of the sealing slide sheet 10, and external air can enter the air transmission box 5 conveniently through the vent holes 12; linear bearings are fixedly arranged at the top and the bottom of the blocking ball 17, the two sliding shafts 15 positioned at the same side respectively penetrate through the inner rings of the two linear bearings and are in sliding connection with the inner rings of the linear bearings, and the linear bearings can be used for limiting the transverse movement of the sliding shafts 15 so that the transverse movement of the sliding shafts cannot deviate; the outer side of the blocking ball 17 is fixedly sleeved with a rubber ball, and the rubber ball is matched with the diameter of the air inlet 14.

In the embodiment, when in use, the structure of the sealing slide piece is improved to a certain degree, and a corresponding functional adaptive component is added to the sealing slide piece, so that the actual use effect of the sealing slide piece is enhanced, and the practical use effect is embodied in that after the lower die 1 and the upper die 2 are used for injection molding a workpiece, the upper die 2 is detached from the lower die 1, the rotating disc 7 is rotated, the rotating disc 7 drives one end of the connecting shaft 8 to rotate in a reciprocating manner, the other end of the connecting shaft 8 can drive the push-pull shaft 9 to move in a reciprocating manner, when the push-pull shaft 9 drives the sealing slide piece 10 to move in the right direction, air in the pressurizing cavity 11 is compressed, the internal pressure can drive the blocking shaft 17 to move in the left direction and block the air inlet hole 14, so that the inside of the pressurizing cavity 11 is in a relatively sealed state, and in the process that the sealing slide piece 10 moves in the right direction continuously, the sealing slide sheet 10 can discharge the air in the pressurizing cavity 11 into the lower die 1 through the check valve 4, and in the continuous rotating process of the rotating disc 7, the pressurizing cavity 11 can continuously apply pressure to the lower die 1, so that a workpiece on the lower die 1 can be continuously jacked up, and the workpiece can be detached from the lower die 1.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The mold convenient for demolding comprises a lower mold (1) and an upper mold (2) and is characterized in that the upper mold (2) and the lower mold (1) are clamped with each other, a mounting plate (3) is fixedly mounted at the bottom of the lower mold (1), a check valve (4) is arranged on the lower mold (1), the bottom of the check valve (4) extends to the lower part of the mounting plate (3), a gas transmission box (5) is arranged at the bottom of the mounting plate (3), a sealing slip sheet (10) is connected in the gas transmission box (5) in a sliding manner in a sealing manner, the sealing slip sheet (10) enables the gas transmission box (5) to form a pressurizing cavity (11), a connecting pipe (13) communicated with the pressurizing cavity (11) is arranged on one side of the gas transmission box (5), the connecting pipe (13) is fixedly connected with the check valve (4), a push-pull shaft (9) is fixedly mounted on one side of the sealing slip sheet (10), and the one end of push-and-pull axle (9) extends to one side of gas transmission case (5), set up two inlet ports (14) that the symmetry set up on sealed gleitbretter (10), one side fixed mounting of sealed gleitbretter (10) has four sliding shaft (15) that two bisymmetry set up, and be located sliding connection has same shutoff ball (17) on two sliding shaft (15) of homonymy, the outside cover of sliding shaft (15) is equipped with reset spring (16), the one end of reset spring (16) and the outside fixed connection of sliding shaft (15), the other end of reset spring (16) and one side fixed connection of shutoff ball (17), and two shutoff balls (17) are located one side of two inlet ports (14) respectively.

2. The mold convenient to demold according to claim 1, wherein a fixed plate (6) is fixedly installed at the bottom of the mounting plate (3), a rotating disc (7) is rotatably connected to one side of the fixed plate (6), a handle is fixedly connected to one side of the rotating disc (7), a connecting shaft (8) is rotatably connected to the position of the rotating disc (7) deviating from the center of circle, and one end of the connecting shaft (8) is rotatably connected to one side of the push-pull shaft (9).

3. The mold convenient for demolding as claimed in claim 1, wherein a plurality of vent holes (12) are formed in the inner wall of the bottom of the gas transmission box (5), and the vent holes (12) are located on the left side of the sealing slide sheet (10).

4. The mold for facilitating demolding according to claim 1, wherein the blocking ball (17) is fixedly provided with a linear bearing at the top and at the bottom, and two sliding shafts (15) located at the same side respectively penetrate through and are slidably connected with the inner rings of the two linear bearings.

5. A mold facilitating demolding according to claim 1, wherein the outside of said blocking ball (17) is fixed with a rubber ball.