CN210733102U

CN210733102U - Injection mold convenient to adjust

Info

Publication number: CN210733102U
Application number: CN201921645996.6U
Authority: CN
Inventors: 宋萍
Original assignee: Yancheng Sennuo Building Materials Technology Co Ltd
Current assignee: Yancheng Sennuo Building Materials Technology Co Ltd
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2020-06-12
Anticipated expiration: 2029-09-29

Abstract

The utility model discloses an injection mold convenient to adjust, which belongs to the technical field of injection molding, and comprises an upper mold, a lower mold and a molding cavity positioned inside the upper mold and the lower mold, wherein a hydraulic oil cylinder is fixed on the upper surface of the lower mold, a counter bore matched with a piston rod of the hydraulic oil cylinder is arranged on the lower surface of the upper mold, a bottom plate is arranged inside the molding cavity, the bottom plate is fixed on a lifting column, the lifting column is arranged on a drawing backing plate, the drawing backing plate is arranged in a through hole of the lower mold, so that the height of the lifting column contacted with the drawing backing plate can be adjusted by adjusting the length of the drawing backing plate penetrating into the lower mold, and further the height of the bottom plate inside the molding cavity is adjusted, the thickness of an injection molding product is adjusted, namely, the thickness of an upper mold core and the molding cavity can be adjusted by adjusting the, the production cost is reduced.

Description

Injection mold convenient to adjust

Technical Field

The utility model relates to a technical field of moulding plastics especially relates to an injection mold convenient to adjust.

Background

An injection mold is a tool for producing plastic products; the plastic product injection mold is also a tool for endowing the plastic product with a complete structure and an accurate size, the thickness of the product cannot be changed when the existing injection mold is used for manufacturing the product, and the plastic product with the same thickness specification can be manufactured, so that the processing cost is greatly increased, and the production efficiency is reduced. To this end, we propose an injection mold that is easy to adjust.

Disclosure of Invention

The utility model provides an injection mold convenient to adjust, through the thickness of adjusting the mould benevolence and shaping chamber in the high realization of adjusting the bottom plate in the die cavity, be convenient for produce the product of different thickness specifications, easy operation has improved production efficiency greatly, and reduction in production cost can effectively solve the problem in the background art.

The utility model provides a specific technical scheme as follows:

the utility model provides a pair of injection mold convenient to adjust includes mould, lower mould, is located go up the mould with the inside shaping chamber of lower mould, the last fixed surface of lower mould has hydraulic cylinder, the lower surface of going up the mould be provided with hydraulic cylinder's piston rod matched with counter bore, the internally mounted in shaping chamber has the bottom plate, the bottom plate is fixed on the lift post, the lift post is installed on the pull backing plate, the pull backing plate is installed in the through-hole of lower mould.

Optionally, the lower surface of the lifting column is a pyramid surface, the upper surface of the drawing base plate, which is in contact with the lower surface of the lifting column, is a cone surface, and the conicity of the pyramid surface is the same as that of the cone surface.

Optionally, the taper of the pyramid surface and the taper of the cone surface are both 1: 2.

Optionally, vent holes are formed in the bottom of the lower die, the counter bores are formed in the four corners of the upper die, the hydraulic cylinders matched with the counter bores are arranged in the four corners of the lower die, and the counter bores are matched with the hydraulic cylinders to fix the upper die and the lower die.

Optionally, a sealing device is disposed at an outer edge of the bottom plate, and the sealing device is used for sealing between the bottom plate and the forming cavity.

Optionally, an upper mold core is fixedly arranged at the bottom end of the upper mold.

The utility model has the advantages as follows:

the embodiment of the utility model provides an injection mold convenient to adjust, which comprises an upper mold, a lower mold and a forming cavity positioned inside the upper mold and the lower mold, wherein a hydraulic oil cylinder is fixed on the upper surface of the lower mold, a counter bore matched with a piston rod of the hydraulic oil cylinder is arranged on the lower surface of the upper mold, a bottom plate is arranged inside the forming cavity, the bottom plate is fixed on a lifting column, the lifting column is arranged on a drawing backing plate, the drawing backing plate is arranged in a through hole of the lower mold, further, the height of the lifting column contacted with the drawing backing plate can be adjusted by adjusting the length of the drawing backing plate penetrating into the lower die, and then the height of the bottom plate in the forming cavity is adjusted, the thickness of the injection molding product is adjusted, the thickness of the upper mold core and the forming cavity can be adjusted through the height of the adjusting bottom plate in the forming cavity, products with different thickness specifications can be manufactured conveniently, the operation is simple, the production efficiency is greatly improved, and the production cost is reduced.

Drawings

Fig. 1 is a schematic structural diagram of an injection mold convenient to adjust according to an embodiment of the present invention;

fig. 2 is a schematic view of an upper mold structure of an injection mold convenient to adjust according to an embodiment of the present invention;

fig. 3 is a schematic view of a lower mold structure of an injection mold convenient to adjust according to an embodiment of the present invention;

fig. 4 is a schematic view of a bottom plate mounting structure of an injection mold convenient to adjust according to an embodiment of the present invention.

Detailed Description

An injection mold convenient to adjust according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 4.

Referring to fig. 1, the embodiment of the utility model provides an injection mold convenient to adjust includes mould 1, lower mould 2, be located mould 1 and the inside shaping chamber 3 of lower mould 2, the last fixed surface of lower mould 2 has hydraulic cylinder 4, the lower surface of going up mould 1 is provided with the piston rod matched with counter bore 5 with hydraulic cylinder 4, also after also going up mould 1 and lower mould 2 and assembling each other, hydraulic cylinder 4 is located the inside of counter bore 5, and then mould 1 can realize going up the separation of mould 1 and lower mould 2 after outwards stretching out through hydraulic cylinder 4's piston rod jack-up.

Specifically, referring to fig. 1, 2 and 3, four corners of the upper die 1 are provided with counterbores 5, four corners of the lower die 2 are provided with hydraulic cylinders 4 matched with the counterbores 5, and the counterbores 5 and the hydraulic cylinders 4 are matched to fix the upper die 1 and the lower die 2. The internally mounted of one-tenth die cavity 3 has bottom plate 6, and bottom plate 6 is fixed on lift post 7, and lift post 7 is installed on pull backing plate 8, and pull backing plate 8 is installed in the through-hole that the bottom of lower mould 3 set up.

Referring to fig. 1, 2 and 4, the lower surface of the lifting column 7 is a pyramid surface, the upper surface of the drawing base plate 8 contacting with the lower surface of the lifting column 7 is a cone surface, the pyramid surface and the pyramid surface are matched with each other, and the conicity of the pyramid surface and the cone surface is the same, so that when the drawing base plate 8 is drawn or deeply adjusted relative to the lower mold 2, the contact surface between the drawing base plate 8 and the lifting column 7 can be always in a fitting state. Preferably, the conicity of the pyramid surface and the conicity of the pyramid surface are both 1:2, so that the lifting column 7 has good height adjustability and lifting stability when the drawing base plate 8 is drawn or deeply adjusted relative to the lower die 2.

Referring to fig. 1, 2, 3 and 4, a vent hole 9 is formed in the bottom of the lower mold 2 to improve the ventilation and cooling effects of the mold, and a sealing device 10 is arranged at the outer edge of the bottom plate 6, wherein the sealing device 10 is used for sealing between the bottom plate 6 and the molding cavity 3. For example, the sealing device 10 may be a temperature-resistant O-ring or a mechanical sealing device in the prior art, and the embodiments of the present invention will not be described herein again. The bottom end of the upper die 1 is fixedly provided with an upper die core 11, and the upper die core 11 is used for realizing the molding of injection molding finished products.

It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides an injection mold convenient to adjust, its characterized in that, injection mold includes last mould, lower mould, is located go up the mould with the inside shaping chamber of lower mould, the last fixed surface of lower mould has hydraulic cylinder, the lower surface of going up the mould be provided with hydraulic cylinder's piston rod matched with counter bore, the internally mounted in shaping chamber has the bottom plate, the bottom plate is fixed on the lift post, the lift post is installed on the pull backing plate, the pull backing plate is installed in the through-hole of lower mould.

2. The adjustable injection mold of claim 1, wherein the lower surface of the lifting column is a pyramid surface, the upper surface of the drawing backing plate contacting the lower surface of the lifting column is a cone surface, and the pyramid surface and the cone surface have the same taper.

3. The adjustable injection mold of claim 2, wherein the taper of the pyramidal face and the conical face are each 1: 2.

4. The injection mold convenient to adjust as claimed in claim 1, wherein the bottom of the lower mold is provided with vent holes, four corners of the upper mold are provided with the counter bores, four corners of the lower mold are provided with the hydraulic oil cylinders matched with the counter bores, and the counter bores are matched with the hydraulic oil cylinders to realize the fixation between the upper mold and the lower mold.

5. An injection mould facilitating adjustment according to claim 1, characterised in that a sealing means is provided at an outer edge of the base plate for sealing between the base plate and the forming cavity.

6. The injection mold convenient to adjust of claim 5, wherein an upper mold core is fixedly arranged at the bottom end of the upper mold.