CN210061706U

CN210061706U - Demoulding structure for plastic mould

Info

Publication number: CN210061706U
Application number: CN201821295409.0U
Authority: CN
Inventors: 不公告发明人
Original assignee: FOSHAN SHUNDE YIFENG PLASTIC MOULD Co Ltd
Current assignee: FOSHAN SHUNDE YIFENG PLASTIC MOULD Co Ltd
Priority date: 2018-08-10
Filing date: 2018-08-10
Publication date: 2020-02-14
Anticipated expiration: 2028-08-10

Abstract

The utility model discloses a demoulding structure for plastic mold, including the bed die, the upper end both sides of bed die are provided with spacing guide arm, spacing guide arm's upper end is fixed with the mould, the lower extreme of going up the mould is provided with the die cavity, the upper end intermediate position of bed die is fixed with down the mold core, the inside of going up mould and bed die is provided with the heating pipe, the bottom of lower mold core is fixed with the telescopic link. The utility model discloses rotate the lower mould core and install the upper end at the bed die, because it is fixed through the torsional spring between baffle and the bottom plate, so when going up the mould, the baffle is opened, at this moment the telescopic link upwards ejecting lower mould core, lower mould core one end is passed through the pivot and is rotated the connection, the mould core will rotate to spacing subassembly down like this, make the interior plastic products drawing of patterns of lower mould core empty on the bottom plate, carry out spacing stopping through the baffle, the drawing of patterns is portable, avoid using the ejector pin to contradict simultaneously and cause the damage, avoid the product bottom to produce the angle material, improve product quality.

Description

Demoulding structure for plastic mould

Technical Field

The utility model belongs to the technical field of the mould processing, concretely relates to demoulding structure for plastic mold.

Background

A plastic mold is a tool which is matched with a plastic molding machine in the plastic processing industry and gives a complete configuration and accurate dimension to a plastic product. Because of the variety and processing method of plastic, and the structure of plastic molding machines and plastic products are various, the variety and structure of plastic molds are also various. And the coordination change of the male die, the female die and the auxiliary forming system of the die. Can process series plastic parts with different shapes and sizes. The plastic processing industry is associated with plastic molding machines that impart tools of complete configuration and precise dimensions to plastic articles. Because of the variety and processing method of plastic, and the structure of plastic molding machines and plastic products are various, the variety and structure of plastic molds are also various.

The prior art has the following problems: the existing demoulding structure for the plastic mould is used for ejecting a processed product out of the mould through a spring and an ejector rod, so that the product is easy to bounce and fly, and meanwhile, the ejector rod is communicated with the bottom of the mould, so that redundant scraps are generated at the bottom of the product, and the quality of the product is influenced.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a demoulding structure for plastic mold has the product drawing of patterns portably, and unnecessary leftover bits can not appear in the product characteristics.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a demoulding structure for plastic mold, includes the bed die, the upper end both sides of bed die are provided with spacing guide arm, spacing guide arm's upper end is fixed with the mould, the lower extreme of going up the mould is provided with the die cavity, the upper end intermediate position of bed die is fixed with down the mold core, the inside of going up mould and bed die is provided with the heating pipe, the bottom of bed die core is fixed with the telescopic link down, the side that the upper end of bed die is located down the mold core is provided with spacing subassembly, the recess of the upper end fixed lower mold core of bed die is kept away from the one end of spacing subassembly and is provided with spring catch.

Preferably, the limiting assembly comprises a roller, a baffle, a bottom plate and a torsion spring, wherein the baffle is fixed on the side of the bottom plate, the torsion spring is fixed on the baffle and a connecting shaft of the bottom plate, and the roller is arranged at the upper end of the baffle.

Preferably, the lower extreme of going up the mould is provided with the spacing groove with spacing subassembly corresponding position, the biggest inclination of baffle is eighty degrees.

Preferably, the lower mold core and the lower mold are rotationally connected and fixed through a shaft pin, and a clamping block for fixing the spring lock catch is arranged at the other end of the lower mold core.

Preferably, the upper end of the telescopic rod is rotatably connected and fixed with the bottom of the lower mold core through a rotating shaft, and the maximum lifting height of the telescopic rod enables the lower mold core to rotate eighty degrees.

Preferably, the bottom plate is fixed at the upper end of the lower die through fastening screws, and rubber pads are arranged on the corresponding surfaces of the bottom plate and the baffle plate.

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

the utility model discloses rotate the lower mould core and install the upper end at the bed die, because it is fixed through the torsional spring between baffle and the bottom plate, so when going up the mould, the baffle is opened, at this moment the telescopic link upwards ejecting lower mould core, lower mould core one end is passed through the pivot and is rotated the connection, the mould core will rotate to spacing subassembly down like this, make the interior plastic products drawing of patterns of lower mould core empty on the bottom plate, carry out spacing stopping through the baffle, the drawing of patterns is portable, avoid using the ejector pin to contradict simultaneously and cause the damage, avoid the product bottom to produce unnecessary leftover bits, and the product quality is.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic side view of the limiting assembly of the present invention.

In the figure: 1. an upper die; 2. a limiting component; 21. a roller; 22. a baffle plate; 23. a base plate; 24. a torsion spring; 3. a lower die; 4. a lower mold core; 5. an electric hydraulic telescopic rod; 6. heating a tube; 7. a spring lock catch; 8. a limiting guide rod; 9. and (4) an upper die cavity.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides the following technical solutions: the utility model provides a demoulding structure for plastic mold, including bed die 3, the upper end both sides of bed die 3 are provided with spacing guide arm 8, spacing guide arm 8's upper end is fixed with mould 1, the lower extreme of going up mould 1 is provided with die cavity 9, the upper end intermediate position of bed die 3 is fixed with down mold core 4, the inside of going up mould 1 and bed die 3 is provided with heating pipe 6, the bottom of bed die 4 is fixed with telescopic link 5, the side that the upper end of bed die 3 is located down mold core 4 is provided with spacing subassembly 2, the one end that spacing subassembly 2 was kept away from to the recess of the fixed bed die core 4 in upper end of bed die 3 is provided with spring lock 7.

In this embodiment, preferably, the limiting assembly 2 includes a roller 21, a baffle 22, a bottom plate 23 and a torsion spring 24, wherein the baffle 22 is fixed on a side of the bottom plate 23, the torsion spring 24 is fixed on a connecting shaft of the baffle 22 and the bottom plate 23, and the roller 21 is arranged at an upper end of the baffle 22.

In order to enable the limiting component 2 to be placed in a rotating manner, in this embodiment, it is preferable that the lower end of the upper mold 1 is provided with a limiting groove at a position corresponding to the limiting component 2, and the maximum inclination angle of the baffle 22 is eighty degrees.

In order to facilitate the rotation of the lower mold core 4 to demold the product, in this embodiment, preferably, the lower mold core 4 and the lower mold 3 are rotationally connected and fixed through a shaft pin, and the other end of the lower mold core 4 is provided with a fixture block for fixing the spring lock 7.

In order to facilitate the telescopic rod 5 to stretch and push the lower mold core 4 to rotate, in this embodiment, preferably, the upper end of the telescopic rod 5 and the bottom of the lower mold core 4 are connected and fixed by rotating through a rotating shaft, and the maximum lifting height of the telescopic rod 5 enables the lower mold core 4 to rotate eighty degrees.

In order to facilitate the spacing and collection of the demolded products, in this embodiment, preferably, the bottom plate 23 is fixed at the upper end of the lower mold 3 by fastening screws, and rubber pads are disposed on the corresponding surfaces of the bottom plate 23 and the baffle 22.

The utility model discloses a theory of operation and use flow: the utility model discloses during the use, install the device in suitable position, place raw and other materials inside lower mold core 4, make through outside external pressure spare go up mould 1 decline and lower mould 3 closure, through heating pipe 6 to the heating plastify in lower mold core 4, make the plastics product shaping, then open mould 1, because it is fixed through torsional spring 24 between baffle 22 and the bottom plate 23, when mould 1 rose above, baffle 22 is opened, at this moment telescopic link 5 upwards ejecting

lower mold core

4, 4 one end of lower mold core is passed through the pivot and is rotated the connection, mold core 4 will rotate to spacing subassembly 2 down like this, make the interior plastics product drawing of patterns of lower mold core 4 empty on bottom plate 23, carry out spacing blockking through baffle 22, the drawing of patterns is portable.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a demoulding structure for plastic mold, includes lower mould (3), the upper end both sides of lower mould (3) are provided with spacing guide arm (8), the upper end of spacing guide arm (8) is fixed with mould (1), the lower extreme of going up mould (1) is provided with die cavity (9), the upper end intermediate position of lower mould (3) is fixed with lower mold core (4), the inside of going up mould (1) and lower mould (3) is provided with heating pipe (6), its characterized in that: the bottom of lower mold core (4) is fixed with telescopic link (5), the side that the upper end of lower mould (3) is located lower mold core (4) is provided with spacing subassembly (2), the recess of the upper end fixed lower mold core (4) of lower mould (3) is kept away from the one end of spacing subassembly (2) and is provided with spring catch (7).

2. The mold release structure for plastic molds according to claim 1, characterized in that: spacing subassembly (2) include gyro wheel (21), baffle (22), bottom plate (23) and torsional spring (24), wherein, the side of bottom plate (23) is fixed with baffle (22), the connecting axle of baffle (22) and bottom plate (23) is fixed with torsional spring (24), the upper end of baffle (22) is provided with gyro wheel (21).

3. The mold release structure for plastic molds according to claim 2, wherein: the lower extreme of going up mould (1) is provided with the spacing groove with spacing subassembly (2) corresponding position, the biggest inclination of baffle (22) is eighty degrees.

4. The mold release structure for plastic molds according to claim 1, characterized in that: the lower mold core (4) and the lower mold (3) are connected and fixed in a rotating mode through a shaft pin, and a clamping block used for fixing the spring lock catch (7) is arranged at the other end of the lower mold core (4).

5. The mold release structure for plastic molds according to claim 1, characterized in that: the upper end of the telescopic rod (5) is connected and fixed with the bottom of the lower mold core (4) in a rotating mode through a rotating shaft, and the telescopic rod (5) is at the maximum rising height to enable the lower mold core (4) to rotate eighty degrees.

6. The mold release structure for plastic molds according to claim 2, wherein: the bottom plate (23) is fixed at the upper end of the lower die (3) through fastening screws, and rubber pads are arranged on the corresponding surfaces of the bottom plate (23) and the baffle plate (22).