CN215472721U

CN215472721U - Injection mold is used in production of plastics lamp shade

Info

Publication number: CN215472721U
Application number: CN202120947132.0U
Authority: CN
Inventors: 殷乐; 文雪峰
Original assignee: Kunshan Dingzesheng Precision Mould Co ltd
Current assignee: Kunshan Dingzesheng Precision Mould Co ltd
Priority date: 2021-05-06
Filing date: 2021-05-06
Publication date: 2022-01-11
Anticipated expiration: 2031-05-06

Abstract

The utility model discloses an injection mold for producing a plastic lampshade, which comprises a convex mold base, wherein a forming convex mold is arranged on the bottom surface of the convex mold base, two inclined slide blocks are uniformly arranged on the bottom surface of the convex mold base, two concave mold bases are movably arranged below the convex mold base, an assembling plate is arranged on the surface of the concave mold base, a forming side slide block is movably arranged between the assembling plate and the concave mold bases, one end of the forming side slide block is fixedly provided with a reset rod, the other end of the reset rod penetrates through the assembling plate, a reset spring is sleeved on the outer side of the end of the reset rod, one end of the reset spring is provided with a matching slide block, and the matching slide block is fixed on the end surface of the reset rod. The utility model can form the clamping groove which is sunken inwards at the edge of the lampshade in place in one step by installing the forming side sliding block, the reset rod, the reset spring, the matching sliding block, the inclined sliding block, the separation thread block and the power screw rod, is convenient for demoulding products, is convenient for workers to collect, and reduces the safety risk during production.

Description

Injection mold is used in production of plastics lamp shade

Technical Field

The utility model relates to the technical field of injection molds for automobile lampshades, in particular to an injection mold for producing plastic lampshades.

Background

With the rapid development of social and economic, the mold refers to various molds and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging molding, smelting, stamping and other methods in industrial production, in short, the mold is a tool for manufacturing molded articles, the tool is composed of various parts, different molds are composed of different parts, the processing of the shapes of the articles is realized mainly by changing the physical states of the molded materials, the injection mold refers to a manufacturing device for stirring completely molten plastic materials by a screw at a certain temperature, injecting the plastic materials into a mold cavity by high pressure, and obtaining the molded articles after cooling and solidification.

However, when the existing automobile lampshade is subjected to injection molding, the edge of the lampshade contains an inward-concave clamping groove, so that the processing is difficult, and the demoulding is inconvenient; therefore, the existing requirements are not met, and an injection mold for producing the plastic lampshade is provided for the requirements.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an injection mold for producing a plastic lampshade, which aims to solve the problems that the edge of the lampshade is provided with an inward concave clamping groove, the processing is difficult, the demoulding is inconvenient and the like when the existing automobile lampshade provided by the background art is subjected to injection molding.

In order to achieve the purpose, the utility model provides the following technical scheme: an injection mold for producing a plastic lampshade comprises a convex mold base, wherein a forming convex mold is arranged on the bottom surface of the convex mold base, the bottom surface of the convex die holder is uniformly provided with two inclined slide blocks, two concave die holders are movably arranged below the convex die holder, the surface of the die holder is provided with an assembling plate, a molding side slide block is movably arranged between the assembling plate and the die holder, one end of the molding side sliding block is fixedly provided with a reset rod, the other end of the reset rod penetrates through the assembling plate, the outer side of the end part of the reset rod is sleeved with a reset spring, one end of the reset spring is provided with a matching sliding block which is fixed on the end surface of the reset rod, a backing plate is arranged below the concave die holder, a power screw rod is movably arranged on the surface of the backing plate, and a separation thread block is arranged on the outer side of one end of the power screw rod and is fixed on the bottom surface of the female die holder.

Preferably, a countersunk hole is formed in the corner of one side end of the assembling plate, and the assembling plate is connected with the die holder through a screw.

Preferably, the inner side surface of the separation thread block penetrated by the power screw rod is provided with threads with the same rotating direction as the outer surface of the power screw rod, and the separation thread block and the power screw rod are in thread transmission.

Preferably, a discharge port is arranged in the middle of the backing plate, and the size of the discharge port is far larger than the actual size of a product.

Preferably, the surface roughness of the molding side slide block is consistent with the surface roughness of the molding matching surface of the molding male die and the molding female die holder.

Preferably, the inclined slide block is embedded in the bottom surface of the convex die holder, and a through thimble hole is formed in the part, embedded with the inclined slide block, of the bottom surface of the convex die holder.

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

1. the utility model drives the forming male die to carry out die assembly by descending the male die holder, the male die holder moves downwards in the die assembly process to drive the inclined slide block to contact with the matched slide block, because the contact surfaces of the matched slide block and the inclined slide block are inclined planes, the matched slide block passively moves to one side at the moment, the moving matched slide block compresses the return spring and drives the return rod and the forming side slide block to synchronously move so that the two forming side slide blocks are mutually attached, after the die is closed, forming operation is carried out, the two forming side slide blocks which are mutually attached during forming are matched with the forming male die and the two female die holders to carry out one-step forming on the automobile lampshade, after the forming is finished, the forming male die moves upwards under the driving of the male die holder, but because the forming side slide blocks limit the product, the product can be separated from the forming male die, a clamping groove which is inwards sunken at the edge of the lampshade can be formed in place in one step, the product is convenient to demould;

2. according to the utility model, after the forming male die is completely reset, the two forming side sliding blocks can be separated from the clamping grooves on the outer side of the product under the reset pushing of the matched sliding blocks by the reset springs, then the power screw rod is driven by the power mechanism to rotate, so that the separation screw block drives the female die seats to move towards the two ends of the base plate, the two female die seats are separated, and the product falls due to the self gravity because of the separation of the female die seats, so that the automatic demolding of the product is realized, the collection by workers is facilitated, the workers do not need to manually enter the die for collection, and the safety risk during production is reduced.

Drawings

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

FIG. 2 is an enlarged view of a portion of the structure of FIG. 1 at A according to the present invention;

FIG. 3 is a schematic structural view of the female mold base of the present invention.

In the figure: 1. a convex die holder; 2. a female die holder; 3. forming a male die; 4. a base plate; 5. assembling a plate; 6. molding a side slide block; 7. a reset lever; 8. a return spring; 9. matching with the sliding block; 10. an inclined slide block; 11. separating the thread block; 12. a power screw rod; 13. and (4) a discharge port.

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.

Referring to fig. 1 to 3, an embodiment of the present invention includes: the utility model provides an injection mold is used in production of plastic lampshade, including male die holder 1, the bottom surface of male die holder 1 is provided with shaping terrace die 3, the bottom surface of male die holder 1 evenly is provided with two oblique sliders 10, the below activity of male die holder 1 is provided with two female die holders 2, the surface mounting of female die holder 2 has assembly board 5, assembly board 5 is provided with shaping side slider 6 with the middle activity of female die holder 2, the one end fixed mounting of shaping side slider 6 has release link 7, the other end of release link 7 runs through assembly board 5 and the outside cover of tip has reset spring 8, reset spring 8's one end is provided with cooperation slider 9, cooperation slider 9 is fixed at the terminal surface of release link 7, the below of female die holder 2 is provided with backing plate 4, the surface activity of backing plate 4 is provided with power lead screw 12, the one end outside of power lead screw 12 is provided with separation thread piece 11, separation thread piece 11 is fixed in the bottom surface of female die holder 2.

Further, a countersunk hole is formed in the end corner of one side of the assembling plate 5, the assembling plate 5 is connected with the die holder 2 through a screw, the assembling plate 5 is convenient to disassemble or assemble, and the molding side sliding block 6, the reset rod 7 and the reset spring 8 are convenient to install.

Further, the inner side surface of the separation thread block 11 penetrated by the power screw rod 12 is provided with threads with the same rotating direction as the outer surface of the power screw rod 12, the separation thread block 11 and the power screw rod 12 are in thread transmission, and the separation thread block 11 can axially move along the outer side of the power screw rod 12 through the thread transmission to drive the female die holder 2 to move.

Further, a discharge port 13 is formed in the middle of the backing plate 4, the size of the discharge port 13 is far larger than the actual size of a product, the product can smoothly fall when the two die holders 2 are separated from each other, and the product collection is facilitated.

Further, the surface roughness of the forming side sliding block 6 is consistent with the surface roughness of the forming matching surface of the forming convex die 3 and the concave die holder 2, so that the surface quality of a product can be effectively guaranteed, and the product is prevented from being defective.

Further, the oblique slider 10 is inlayed inside the bottom surface of convex die base 1, and the position that the oblique slider 10 was inlayed to 1 bottom surface of convex die base is provided with the thimble hole that link up, is convenient for advance to dismantle oblique slider 10, changes the oblique slider 10 of damage, guarantees the mould normal use.

The working principle is as follows: when the automobile lampshade forming device is used, firstly, a power supply of a mold is switched on, the convex mold base 1 descends to drive the forming convex mold 3 to carry out mold closing after the power supply is switched on, the convex mold base 1 moves downwards to drive the inclined slide block 10 to contact with the matching slide block 9 in the mold closing process, the matching slide block 9 passively moves to one side at the moment, the moving matching slide block 9 compresses the reset spring 8 and drives the reset rod 7 and the forming side slide block 6 to move synchronously, so that the two forming side slide blocks 6 are mutually attached, forming operation is carried out after the mold is closed, the two forming side slide blocks 6 which are mutually attached during forming are matched with the forming convex mold 3 and the two concave mold bases 2 to carry out one-time forming on the automobile lampshade, after the forming is finished, the forming convex mold 3 moves upwards under the driving of the convex mold base 1, but the product is separated from the forming convex mold 3 due to the limitation of the forming side slide blocks 6 on the product, one-step forming can be carried out on the inward sunken clamping groove in the edge of the lampshade, and the product is convenient to demould.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an injection mold is used in production of plastic lampshade, includes convex die base (1), its characterized in that: the bottom surface of the male die holder (1) is provided with a forming male die (3), the bottom surface of the male die holder (1) is uniformly provided with two inclined sliding blocks (10), the lower part of the male die holder (1) is movably provided with two female die holders (2), the surface of the female die holder (2) is provided with an assembling plate (5), the middle of the assembling plate (5) and the female die holders (2) is movably provided with a forming side sliding block (6), one end of the forming side sliding block (6) is fixedly provided with a reset rod (7), the other end of the reset rod (7) penetrates through the assembling plate (5) and the outer side of the end part is sleeved with a reset spring (8), one end of the reset spring (8) is provided with a matching sliding block (9), the matching sliding block (9) is fixed on the end surface of the reset rod (7), the lower part of the female die holder (2) is provided with a backing plate (4), the surface of the backing plate (4) is movably provided with a power screw rod (12), and a separation thread block (11) is arranged on the outer side of one end of the power screw rod (12), and the separation thread block (11) is fixed on the bottom surface of the female die holder (2).

2. The injection mold for producing the plastic lampshade of claim 1, wherein: the die is characterized in that a countersunk hole is formed in the end corner of one side of the assembling plate (5), and the assembling plate (5) is connected with the die holder (2) through a screw.

3. The injection mold for producing the plastic lampshade of claim 1, wherein: the inner side surface of the separation thread block (11) penetrated by the power screw rod (12) is provided with threads with the same rotating direction as the outer surface of the power screw rod (12), and the separation thread block (11) and the power screw rod (12) are in thread transmission.

4. The injection mold for producing the plastic lampshade of claim 1, wherein: the middle of the backing plate (4) is provided with a discharge hole (13), and the size of the discharge hole (13) is far larger than the actual size of a product.

5. The injection mold for producing the plastic lampshade of claim 1, wherein: the surface roughness of the molding side slide block (6) is consistent with the surface roughness of the molding matching surface of the molding male die (3) and the die holder (2).

6. The injection mold for producing the plastic lampshade of claim 1, wherein: the inclined sliding block (10) is embedded in the bottom surface of the convex die holder (1), and a penetrating thimble hole is formed in the position, embedded in the bottom surface of the convex die holder (1), of the inclined sliding block (10).