CN214353944U

CN214353944U - Injection molding device capable of realizing rapid demolding

Info

Publication number: CN214353944U
Application number: CN202022203282.9U
Authority: CN
Inventors: 远二柱
Original assignee: Shenzhen Yuanpeng Plastic Products Co ltd
Current assignee: Shenzhen Yuanpeng Plastic Products Co ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-10-08
Anticipated expiration: 2030-09-30

Abstract

The utility model provides a device of moulding plastics that can fast demoulding, include: the positioning device comprises an upper die and a lower die, wherein positioning columns are fixedly connected to four corners of the lower die, and the upper die is connected with the positioning columns in a sliding manner; a forming box is arranged on the lower die and comprises a forming cavity and a connecting cavity, the connecting cavity is communicated with the forming cavity, a connecting column is arranged at the position of the upper die opposite to the connecting cavity, and when the upper die and the lower die are closed, the connecting column is inserted into the connecting cavity; through setting up connection chamber and spliced pole, when the compound die was moulded plastics, the spliced pole inserts and connects the intracavity, colloid parcel spliced pole and shaping, like this when the drawing of patterns, go up the mould and can take out fashioned product in the lump, reach the effect of quick drawing of patterns.

Description

Injection molding device capable of realizing rapid demolding

Technical Field

The utility model relates to an injection mold technical field especially relates to a device of moulding plastics that can fast demoulding.

Background

Injection molding, also known as injection molding, is a method of molding by injection and molding. The injection molding method has the advantages of high production speed, high efficiency, automation of operation, various colors, various shapes from simple to complex, small sizes, accurate product size, easy replacement of products, capability of forming products with complex shapes, suitability for the molding processing fields of mass production, products with complex shapes and the like; stirring the completely molten plastic material by a screw at a certain temperature, injecting the completely molten plastic material into a mold cavity by high pressure, and cooling and solidifying the plastic material to obtain a molded product; the method is suitable for mass production of parts with complex shapes, and is one of important processing methods.

In current injection moulding manufacturing process, the mould behind the injection moulding need use ejecting instrument will process the product of accomplishing ejecting, and this kind of drawing of patterns mode needs the time that consumes more in actual production to ejecting efficiency is not high, has reduced user's work efficiency, and the urgent need for a new drawing of patterns mode, can realize quick drawing of patterns, improves production efficiency.

SUMMERY OF THE UTILITY MODEL

To the weak point that exists among the above-mentioned technique, the utility model provides a device of moulding plastics that can fast demoulding connects chamber and spliced pole through setting up, when the compound die was moulded plastics, and the spliced pole inserts the connection intracavity, colloid parcel spliced pole and shaping, like this when the drawing of patterns, goes up the mould and can take out fashioned product in the lump, reaches the effect of fast demoulding.

In order to achieve the above object, the utility model provides a device of moulding plastics that can fast demoulding, include: the positioning device comprises an upper die and a lower die, wherein positioning columns are fixedly connected to four corners of the lower die, and the upper die is connected with the positioning columns in a sliding manner; the lower die is provided with a forming box, the forming box comprises a forming cavity and a connecting cavity, the connecting cavity is communicated with the forming cavity, a connecting column is arranged at the position, opposite to the connecting cavity, of the upper die, and the connecting column is inserted into the connecting cavity when the upper die and the lower die are closed.

Preferably, the method comprises the following steps: the connecting cavity is at least provided with 3 and is uniformly distributed around the forming cavity.

Preferably, the method comprises the following steps: the connecting cavity is a circular connecting cavity, the diameter of the cavity of the connecting cavity is larger than that of the connecting column, and when the connecting column is inserted into the connecting cavity, the connecting cavity is located at the center of the connecting cavity.

Preferably, the method comprises the following steps: the transition groove is simultaneously connected with the connecting cavity and the forming cavity in a through mode.

Preferably, the method comprises the following steps: the outer wall of the connecting column is provided with sawtooth-shaped grains.

Preferably, the method comprises the following steps: the forming box is arranged on the supporting plate and is arranged on the lower die through the supporting part.

Preferably, the method comprises the following steps: the supporting plate is installed on the lower die, a sliding rail is arranged on the lower die, the supporting plate is connected with the sliding rail in a sliding mode through a sliding block, and the forming box is detachably installed on the surface, away from the sliding rail, of the supporting plate.

Preferably, the method comprises the following steps: the upper die is further provided with a positioning rod, and a positioning hole for the positioning rod to be inserted into the matching hole is formed in the supporting plate.

The utility model has the advantages that: compared with the prior art, the utility model provides a pair of device of moulding plastics that can fast demoulding, include: the positioning device comprises an upper die and a lower die, wherein positioning columns are fixedly connected to four corners of the lower die, and the upper die is connected with the positioning columns in a sliding manner; a forming box is arranged on the lower die and comprises a forming cavity and a connecting cavity, the connecting cavity is communicated with the forming cavity, a connecting column is arranged at the position of the upper die opposite to the connecting cavity, and when the upper die and the lower die are closed, the connecting column is inserted into the connecting cavity; through setting up connection chamber and spliced pole, when the compound die was moulded plastics, the spliced pole inserts and connects the intracavity, colloid parcel spliced pole and shaping, like this when the drawing of patterns, go up the mould and can take out fashioned product in the lump, reach the effect of quick drawing of patterns.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is a front view of the present invention;

fig. 3 is a cross-sectional view of the present invention.

The main element symbols are as follows:

1. an upper die; 2. a positioning column; 3. a lower die; 4. connecting columns; 5. forming a box; 6. a support plate; 7. a slide rail; 8. positioning a rod; 9. a molding cavity; 10. a connecting cavity; 11. a transition groove; 12. and (7) positioning the holes.

Detailed Description

In order to make the present invention clearer, the present invention will be further described with reference to the accompanying drawings.

Specifically, for the utility model provides a can quick drawing of patterns device of moulding plastics, please refer to fig. 1-3, the device includes: the mould comprises an upper mould 1 and a lower mould 3, wherein positioning columns 2 are fixedly connected to four corners of the lower mould 3, and the upper mould 1 is connected with the positioning columns 2 in a sliding manner; a forming box 5 is arranged on the lower die 3, the forming box 5 comprises a forming cavity 9 and a connecting cavity 10, the connecting cavity 10 is communicated with the forming cavity 9, a connecting column 4 is arranged at the position of the upper die 1 opposite to the connecting cavity 10, and when the upper die 1 and the lower die 3 are closed, the connecting column 4 is inserted into the connecting cavity 10; spliced pole 4 inserts in connecting chamber 10, when carrying out injection moulding, after filling up the colloid in shaping chamber 9, the colloid flow direction is in connecting chamber 10, when being full of the colloid in connecting chamber 10, the colloid wraps up spliced pole 4 simultaneously, after the solidification, spliced pole 4 is together fixed through the connecting portion that connect chamber 10 to form with the plastic product, when going up mould 1 and 3 drawing of patterns of bed die, spliced pole 4 takes out fashioned product in the same place, accomplish a quick drawing of patterns process, can separate spliced pole 4 and fashioned connecting portion after the drawing of patterns, again through cutting processing with connecting portion, obtain complete product.

One embodiment mentions: at least 3 connecting cavities 10 are arranged and surround the die cavity 9 to be uniformly distributed; 2 linear structure of connecting chamber 10 is unstable, produces the fracture easily in the drawing of patterns, and 3 connect chamber 10 when connecting through spliced pole 4, the triangle structure when drawing of patterns is comparatively stable, and 3 lists of this implementation limited are not restricted to 3, and 4 or even more connect chamber 10 structures and can make more stable when drawing of patterns.

One embodiment mentions: the connecting cavity 10 is a circular connecting cavity 10, the diameter of the cavity body of the connecting cavity 10 is larger than that of the connecting column 4, and when the connecting column 4 is inserted into the connecting cavity 10, the connecting cavity 10 is positioned at the center of the connecting cavity 10; the transition groove 11 is simultaneously communicated with the connecting cavity 10 and the forming cavity 9; in this embodiment, the connection cavity 10 is a circular connection cavity 10, but is not limited to a circle, a rectangle, or any shape that is easy to demold may be used as the shape of the connection cavity 10, but the width of the connection cavity 10 must be greater than the diameter of the connection post 4, so as to surround the connection post 4, the connection cavity 10 is connected with the forming cavity 9 through the transition groove 11, and the transition groove 11 has a certain depth that is smaller than the depths of the connection cavity 10 and the forming cavity 9.

One embodiment mentions: the outer wall of the connecting column 4 is provided with sawtooth-shaped grains; the serrated grains can play a role in increasing friction force for plastic during molding, and if the connecting column 4 with the smooth surface is used, the risk of slipping out exists, so that demoulding failure is caused, and the success of demoulding can be ensured by arranging the serrated grains; in another implementation example, the outer wall of the connecting column 4 is set to be in a threaded structure, when the connecting column 4 is set to be in the threaded structure, the connecting column 4 and the upper die 1 are detachably connected, so that the connecting column 4 is detached from the upper die 1 during demolding, the connecting column 4 is screwed out in the threaded direction, and the product is more convenient to separate from the upper die 1.

One embodiment mentions: the forming box is characterized by further comprising a supporting plate 6, wherein the forming box 5 is arranged on the supporting plate 6 and is arranged on the lower die 3 through the supporting part; the support plate 6 is arranged on the lower die 3, a slide rail 7 is arranged on the lower die 3, the support plate 6 is connected with the slide rail 7 in a sliding mode through a slide block, and the forming box 5 is arranged on one surface, far away from the slide rail 7, of the support plate 6; the supporting plate 6 is arranged on the upper die 1 in a slidable mode, and the forming box 5 is arranged on the supporting plate 6 in a detachable mode, so that when the forming box 5 needs to be replaced or popped up, the supporting plate 6 slides out along the direction of the sliding rail 7 to remove the forming box 5, and the method is quick and effective; the same supporting plate 6 is also provided with a locking assembly, and the locking assembly is used for locking the sliding block and the sliding rail 7, so that the phenomenon that the sliding of the device is generated during processing, and the production problem and the production accident are generated is prevented.

One embodiment mentions: the upper die 1 is also provided with a positioning rod 8, and the supporting plate 6 is provided with a positioning hole 12 for the positioning rod 8 to be inserted and adapted; the purpose of setting up locating hole 12 lies in, because backup pad 6 sets up to slidable structure, so adjust or the change of shaping box 5 the back to backup pad 6 at every turn, all can take place the displacement, in order to avoid adding man-hour upper mold 1 and bed die 3 can not carry out the closed injection moulding to last, adopt locating lever 8 and locating hole 12's mode to fix a position the back, just process, the accuracy when ensureing the compound die.

The utility model has the advantages that:

1. through setting up connection chamber and spliced pole, when the compound die was moulded plastics, the spliced pole inserts and connects the intracavity, colloid parcel spliced pole and shaping, like this when the drawing of patterns, go up the mould and can take out fashioned product in the lump, reach the effect of quick drawing of patterns.

2. The spliced pole surface has set up the cockscomb structure line, sends out the spliced pole and the fashioned connecting portion slippage when preventing the drawing of patterns, has guaranteed the success rate and the security of drawing of patterns.

The above disclosure is only for the specific embodiments of the present invention, but the present invention is not limited thereto, and any changes that can be made by those skilled in the art should fall within the protection scope of the present invention.

Claims

1. An injection molding apparatus capable of rapid demolding, comprising: the positioning device comprises an upper die and a lower die, wherein positioning columns are fixedly connected to four corners of the lower die, and the upper die is connected with the positioning columns in a sliding manner; the lower die is provided with a forming box, the forming box comprises a forming cavity and a connecting cavity, the connecting cavity is communicated with the forming cavity, a connecting column is arranged at the position, opposite to the connecting cavity, of the upper die, the connecting column is inserted into the connecting cavity when the upper die and the lower die are closed, the number of the connecting cavities is at least 3, and the connecting cavities are uniformly distributed around the forming cavity.

2. The injection molding device capable of fast demolding according to claim 1, wherein the connecting cavity is a circular connecting cavity, the cavity diameter of the connecting cavity is larger than the diameter of the connecting column, and the connecting column is located in the center of the connecting cavity when inserted into the connecting cavity.

3. The injection molding apparatus capable of rapid demolding as claimed in claim 2, further comprising a transition groove simultaneously passing through the connection cavity and the molding cavity.

4. The injection molding apparatus capable of rapid demolding as claimed in claim 1, wherein the outer wall of the connecting column is provided with a serrated texture.

5. The injection molding apparatus capable of rapid demolding according to claim 1, further comprising a support plate, wherein the molding box is mounted on the support plate, and is mounted on the lower mold through a support portion.

6. An injection molding device capable of realizing rapid demoulding according to claim 5, wherein the supporting plate is mounted on the lower mold, a sliding rail is arranged on the lower mold, the supporting plate is slidably connected with the sliding rail through a sliding block, and the forming box is detachably mounted on one surface of the supporting plate away from the sliding rail.

7. The injection molding device capable of rapidly demolding as claimed in claim 6, wherein the upper mold is further provided with a positioning rod, and the supporting plate is provided with a positioning hole for the positioning rod to be inserted into the matching hole.