CN217514439U - Stop structure of double-injection molding injection mold - Google Patents

Abstract

The utility model provides a blocking structure of a bijection molding injection mold, which comprises a lower blocking component; the lower blocking assembly comprises a first oil cylinder, a first sliding frame, a first push plate and a lower blocking piece; the power output end of the first oil cylinder is connected with the first sliding frame and drives the first sliding frame to move left and right; the front side and the rear side of the first sliding frame are connected with the first push plate through first inclined guide blocks, so that the first sliding frame drives the first push plate to move up and down left and right; the first push plate is provided with a first guide post hole; the lower baffle plate is fixed above the first push plate through a first connecting piece; the utility model has the advantages that the first shooting and the second shooting share the cavity, so that the size of the mould is greatly reduced, and the cost of the mould material is reduced; after the first injection is performed outside the molding, the mold does not need to be opened and rotated, and only the oil cylinder pushes the blocking piece, the second injection can be rapidly formed, so that the whole molding period is shortened; because the size of the mould is smaller, the required injection molding machine is also smaller, and the injection molding production cost is lower.

Description

Stop structure of double-injection molding injection mold

Technical Field

The utility model relates to an injection mold technical field, in particular to bijection molding injection mold's structure that blocks.

Background

At present, many injection products need double-shot molding, and the transmission double-shot mold has the following defects: 1. the first injection and the second injection both need independent molding cavities, namely at least two cavities are needed, so that the size of the mold is large, and the material cost of the mold is high; 2. after the first injection is completed and the fixed die is required to be moved and opened, the movable die is rotated, different fixed dies are replaced for shaping to realize two-injection molding, and the complete molding period is longer; 3. because the size of the mould is large, the solid injection molding machine is also larger, and the injection molding production cost is high; improvements are therefore needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a bijection molding injection mold's structure that blocks mentions the problem in order to solve the background art.

In order to achieve the above object, the present invention provides the following technical solutions:

a barrier structure of a double-injection molding injection mold comprises a lower barrier component; the lower blocking assembly comprises a first oil cylinder, a first sliding frame, a first push plate and a lower blocking piece; the power output end of the first oil cylinder is connected with the first sliding frame and drives the first sliding frame to move left and right; the front side and the rear side of the first sliding frame are connected with the first push plate through first inclined guide blocks, so that the first sliding frame drives the first push plate to move up and down left and right; the first push plate is provided with a first guide post hole; the lower baffle is fixed above the first push plate through a first connecting piece.

To the utility model discloses a further description, set up a plurality of side by side about the lower separation blade, and contact each other between the adjacent lower separation blade.

For further description of the utility model, the first inclined guide blocks are arranged in a plurality of numbers and distributed on the left and right sides of the front and back sides of the first push plate; a first oblique guide hole matched with the first oblique guide block is formed in the first sliding frame; the length of the first inclined guide hole is longer than that of the first inclined guide block.

To the further description of the present invention, the lower retaining piece is a steel sheet.

The utility model is further described, which also comprises at least one group of side blocking components; the side blocking assembly comprises a sliding block, a second oil cylinder, a second sliding frame, a second push plate and a side blocking sheet; one side surface of the sliding block close to the die cavity is a molding surface; the second sliding frame is arranged in the sliding block in a front-back sliding manner; the second oil cylinder is arranged on one side of the sliding block, and the power output end of the second oil cylinder is connected with the second sliding frame to drive the second sliding frame to move back and forth; the upper side and the lower side of the second sliding frame are connected with a second push plate through a second inclined guide block, so that the back and forth movement of the second sliding frame drives the second push plate to move left and right; the second push plate is connected with the sliding block through a second guide pillar; the side blocking piece is fixed on the second push plate through a second connecting piece; the end surface of one side of the side separation sheet close to the die cavity is level with the molding surface of the sliding block.

For further description of the present invention, the second inclined guide block is integrally formed on the upper and lower sides of the second carriage; a second inclined guide hole matched with the second inclined guide block is formed in the second push plate; the length of the second inclined guide hole is longer than that of the second inclined guide block.

To the further description of the present invention, the side blocks that the assembly sets up relative settings about and two sets of settings.

To describe the present invention, the side blocking pieces are steel pieces.

The utility model has the advantages that:

the design structure enables the first injection and the second injection of the mold to share one cavity, during the first injection, the oil cylinder drives the separation blade to push out, one part of the cavity is divided into two parts, one-time injection is carried out on one side of the cavity, the structure of one color of the product is molded, after molding, the oil cylinder drives the separation blade to withdraw, the second injection is carried out on the other side, and the structure of the other color of the product is molded; this approach has the following advantages: 1. the first injection and the second injection share a cavity, so that the size of the mold is greatly reduced, and the material cost of the mold is reduced; 2. after the first injection is formed, the die does not need to be opened and rotated, and the second injection can be formed quickly only by pushing the blocking piece by the oil cylinder, so that the whole forming period is shortened; 3. because the size of the mould is smaller, the required injection molding machine is also smaller, and the injection molding production cost is lower.

Drawings

FIG. 1 is an overall structure of the present invention;

fig. 2 is an exploded view of the lower barrier assembly of the present invention;

FIG. 3 is an internal block diagram of the side dam assembly of the present invention;

fig. 4 is an exploded view of the second carriage and the second push plate according to the present invention.

Detailed Description

The invention is further explained below with reference to the drawings:

as shown in fig. 1 to 4, a barrier structure of a two-shot injection mold includes a lower barrier assembly 100; the lower blocking assembly 100 comprises a first oil cylinder 1, a first sliding frame 2, a first push plate 3 and a lower baffle 4; the power output end of the first oil cylinder 1 is connected with the first sliding frame 2 and drives the first sliding frame 2 to move left and right; the front side and the rear side of the first sliding frame 2 are connected with the first push plate 3 through a first inclined guide block 5, so that the first sliding frame 2 drives the first push plate 3 to move up and down left and right; the first push plate 3 is provided with four first guide post holes 301, and the number of the first guide post holes 301 is four; the lower baffle plate 4 is fixed above the first push plate 3 through a first connecting piece 6; this on the movable mould board of subassembly 100 installation and mould blocks down, the movable mould chamber is worn to establish by the baffle down, and the upper end is level mutually with movable mould intracavity chamber, first guide pillar hole 301 of first push pedal 3 is worn to establish through first guide pillar on the movable mould board, the restriction push pedal can only the up-and-down motion, when first hydro-cylinder 1 drive first balladeur train 2 side-to-side motion, drive first push pedal 3 through first oblique guide block 5 and up-move, make lower separation blade 4 stretch out to the mould intracavity, divide into two with the die cavity one, carry out the once injection through the injecting glue system from one side of die cavity, the structure of the first colour of shaping product, after the shaping, first hydro-cylinder 1 drives lower separation blade 4 again and resets, then the injecting glue system carries out the twice injection from the opposite side of die cavity again, the structure of another kind of shaping product, thereby can direct double-colored shaping product.

Lower separation blade 4 is controlled and is set up a plurality of side by side, and contacts each other between the adjacent lower separation blade 4, and this setting can be controlled through the form fit of a plurality of lower separation blade 4 according to the distribution of product colour, and it is more convenient to adjust, and lower separation blade 4 sets up four in this design.

The first inclined guide blocks 5 are arranged in a plurality of numbers and distributed on the left and right sides of the front and back sides of the first push plate 3; a first inclined guide hole 201 matched with the first inclined guide block 5 is formed in the first sliding frame 2; first oblique guide hole 201's length is longer than first oblique guide block 5's length, and first oblique guide block 5 all sets up with first oblique guide hole 201 from the slope of turning right upwards from a left side in this design, and when first hydro-cylinder 1 drive first balladeur train 2 turned left and promoted, then driven first push pedal 3 and moved up, and when first balladeur train 2 turned right and moved, this first push pedal 3 reset down.

Further comprising at least one set of side barrier components 200; the side blocking assembly 200 comprises a sliding block 7, a second oil cylinder 8, a second sliding frame 9, a second push plate 10 and a side blocking sheet 11; one side surface of the sliding block 7 close to the die cavity is a molding surface; the second carriage 9 is mounted inside the slider 7 so as to be slidable back and forth; the second oil cylinder 8 is arranged on one side of the sliding block 7, and the power output end of the second oil cylinder is connected with the second sliding frame 9 to drive the second sliding frame 9 to move back and forth; the upper side and the lower side of the second sliding frame 9 are connected with a second push plate 10 through a second inclined guide block 901, so that the back and forth movement of the second sliding frame 9 drives the second push plate 10 to move left and right; the second push plate 10 is connected with the slide block 7 through a second guide post; the side blocking piece 11 is fixed on the second push plate 10 through a second connecting piece 12; the end surface of one side of the side retaining plate 11 close to the die cavity is level with the molding surface of the slide block 7, if the product is a flat plate or a plate with a certain thickness, the lower retaining plate 4 can be directly adopted for blocking, if the left and right sides of the product have side plates, the side blocking assembly 200 is required to be disposed, in this embodiment, the left and right sides of the product have side plates, therefore, two sets of side barrier assemblies 200 are arranged, the lower barrier assembly 100 is matched to divide the cavity into two, the side barrier assemblies 200 are arranged at the left side and the right side of the movable mould plate, the slide block 7 is connected with the fixed mould through the inclined guide post, after the mould is closed, when the first injection is carried out, the second oil cylinder 8 drives the second sliding frame 9 to drive the second push plate 10 to push towards one side of the cavity, so that the side blocking piece 11 extends out of the cavity and is matched with the lower blocking piece 4 to separate the cavity, after the first injection molding, the first oil cylinder 1 and the second oil cylinder 8 drive the lower baffle 4 and the side baffle 11 to retract for second injection molding.

The second inclined guide block 901 is integrally formed at the upper and lower sides of the second carriage 9; a second inclined guide hole 1001 matched with the second inclined guide block 901 is arranged on the second push plate 10; the length of the second inclined guide hole 1001 is longer than that of the second inclined guide block 901, the second inclined guide block 901 and the second inclined guide hole 1001 are both inclined from front to back to the outside, and when the second oil cylinder 8 drives the second sliding frame 9 to move backwards, the second push plate 10 is driven to be pushed out to one side of the cavity, otherwise, the reset is carried out.

In the design, the lower retaining plate 4 and the side retaining plate 11 are both steel plates.

The working principle of the embodiment is as follows:

after die assembly, the first oil cylinder 1 drives the first sliding frame 2 to move leftwards to drive the lower baffle plate to be pushed upwards, meanwhile, the two groups of second oil cylinders 8 drive the two sliding frames to move backwards to drive the two side baffle plates 11 to move towards one side of the cavity, the stroke of the lower baffle plate and the two side baffle plates 11 is divided into a front cavity and a rear cavity by the lower baffle plate and the two side baffle plates 11 together, first injection is carried out in the rear cavity, a structure of one color of a molded product is formed, after molding, the first oil cylinder 1 and the second oil cylinder 8 drive the first sliding frame 2 and the second sliding frame 9 to reset, after the lower baffle plate and the side baffle plates 11 reset, second injection is carried out on the other side, the shape of the other color of the molded product is opened, and the molded product is taken out, and accordingly injection molding of a double-color product is completed.

The above description is not intended to limit the technical scope of the present invention, and any modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention are still within the scope of the technical solution of the present invention.

Claims (8)

1. The utility model provides a bijection molding injection mold's barrier structure which characterized in that: comprises a lower barrier component; the lower blocking assembly comprises a first oil cylinder, a first sliding frame, a first push plate and a lower blocking piece; the power output end of the first oil cylinder is connected with the first sliding frame and drives the first sliding frame to move left and right; the front side and the rear side of the first sliding frame are connected with the first push plate through first inclined guide blocks, so that the first sliding frame drives the first push plate to move up and down left and right; the first push plate is provided with a first guide post hole; the lower baffle is fixed above the first push plate through a first connecting piece.

2. The barrier structure of a two-shot molding machine according to claim 1, wherein: the left and right sides of the lower blocking pieces are provided with a plurality of lower blocking pieces in parallel, and the adjacent lower blocking pieces are mutually contacted.

3. The barrier structure of a two-shot molding machine according to claim 1, wherein: the first inclined guide blocks are arranged in a plurality of numbers and are distributed on the left side and the right side of the front side and the back side of the first push plate; a first oblique guide hole matched with the first oblique guide block is formed in the first sliding frame; the length of the first inclined guide hole is longer than that of the first inclined guide block.

4. The barrier structure of a two-shot molding machine according to claim 1, wherein: the lower blocking piece is a steel sheet.

5. The barrier structure of a two-shot molding machine according to claim 1, wherein: further comprising at least one set of side barrier components; the side blocking assembly comprises a sliding block, a second oil cylinder, a second sliding frame, a second push plate and a side blocking sheet; one side surface of the sliding block close to the die cavity is a molding surface; the second sliding frame is arranged in the sliding block in a front-back sliding manner; the second oil cylinder is arranged on one side of the sliding block, and the power output end of the second oil cylinder is connected with the second sliding frame to drive the second sliding frame to move back and forth; the upper side and the lower side of the second sliding frame are connected with a second push plate through a second inclined guide block, so that the back and forth movement of the second sliding frame drives the second push plate to move left and right; the second push plate is connected with the sliding block through a second guide pillar; the side blocking piece is fixed on the second push plate through a second connecting piece; the end surface of one side of the side separation sheet close to the die cavity is level with the molding surface of the sliding block.

6. The barrier structure of a two-shot molding apparatus according to claim 5, wherein: the second inclined guide blocks are integrally formed at the upper side and the lower side of the second sliding frame; the second push plate is provided with a second inclined guide hole matched with the second inclined guide block; the length of the second inclined guide hole is longer than that of the second inclined guide block.

7. The barrier structure of a two-shot molding machine according to claim 5, wherein: the side blocks that the subassembly sets up two sets ofly and controls relative setting.

8. The barrier structure of a two-shot molding machine according to claim 5, wherein: the side blocking piece is a steel sheet.

Images