CN215095367U

CN215095367U - Handle injection mold convenient to demold

Info

Publication number: CN215095367U
Application number: CN202120199564.8U
Authority: CN
Inventors: 张相勇; 李书玲
Original assignee: Hebei Xinshijia Toys Co ltd
Current assignee: Hebei Xinshijia Toys Co ltd
Priority date: 2021-01-25
Filing date: 2021-01-25
Publication date: 2021-12-10
Anticipated expiration: 2031-01-25

Abstract

The utility model relates to an injection mold technical field especially relates to a be convenient for drawing of patterns handle injection mold. Comprises a fixed die component and a movable die component connected with the fixed die component in a sliding way. The fixed die assembly comprises a fixed die plate, a fixed die core is fixedly connected to the fixed die plate, a guide hole and a pouring gate are formed in the fixed die plate, and a material channel is formed in the position, corresponding to the pouring gate, of the fixed die core; the movable mould component comprises a movable mould plate, a guide column is arranged on the movable mould plate and is in sliding connection with the guide hole, a movable mould core is arranged on the movable mould plate and comprises a fixed mould block, a side mould block and a demoulding block, the fixed mould block is fixedly connected to the movable mould plate, the side mould block is in sliding connection with the movable mould plate, and the demoulding block is in sliding connection with the movable mould plate. The utility model has small half-piece stress and is not easy to deform when demoulding; the demoulding block is reset by adopting the spring, the structure is simple, and an independent driving mechanism is not needed for driving the demoulding block.

Description

Handle injection mold convenient to demold

Technical Field

The utility model relates to an injection mold technical field especially relates to a be convenient for drawing of patterns handle injection mold.

Background

The handle 6 of the baby carriage is shown in figure 1, the top of the handle is provided with a circular ring which is convenient to hold by hands, and the lower part of the circular ring is provided with a connecting plate with a certain length. The handle 6 consists of two halves 61 similar to those shown in fig. 2, which halves 61 are produced by an injection moulding process. Because half 61 is thin in wall thickness and long in length, the existing injection mold is difficult to demold during production, and half 61 is easily deformed and damaged.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide an injection mold for a handle convenient for demolding, which adopts a fixed module, a demolding module and two movable side modules to form a movable mold core, and after a half piece is molded, the two side modules are separated towards two sides and separated from the two side modules, so that the half piece is less stressed and not easy to deform during demolding; the demoulding block is reset by adopting the spring, the structure is simple, and an independent driving mechanism is not needed for driving the demoulding block.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the utility model provides a handle injection mold convenient to drawing of patterns, includes cover half subassembly and rather than sliding connection's movable mould subassembly. The fixed die assembly comprises a fixed die plate, a fixed die core is fixedly connected to the fixed die plate, a plurality of guide holes are formed in the periphery of the fixed die plate, a pouring opening is formed in the fixed die plate, and a material channel is formed in the position, corresponding to the pouring opening, of the fixed die core; the movable mould subassembly includes the movable mould board, the position that the movable mould board corresponds with the guiding hole is provided with the guide post, guide post and guiding hole sliding connection, be provided with movable mould benevolence on the movable mould board, movable mould benevolence includes fixed module, side module and drawing of patterns piece, fixed module fixed connection is on the movable mould board, the side module be located the both sides of fixed module and with movable mould board sliding connection, the central point that the demoulding piece is located two side modules puts and with movable mould board sliding connection, the one end of demoulding piece is provided with the hood, be provided with the spring between the other end of demoulding piece and the movable mould board, be provided with on the side module with hood matched with recess, hood and side module sliding connection.

Further optimize this technical scheme, the both sides of side form piece bottom are provided with T type strip, the position that movable mould board and T type strip correspond is provided with the track, orbital shape is the same with T type strip and both sliding connection.

Further optimize this technical scheme, the both sides that the side module is parallel with T section bar extending direction are provided with and stretch out the board, be provided with the pneumatic cylinder on the movable mould board, the piston rod top of pneumatic cylinder with stretch out board fixed connection.

Further optimizing the technical scheme, the cross section of the top cap is square, and the side length of the top cap is more than twice of the maximum moving distance of the side module during demolding.

Compared with the prior art, the utility model has the advantages of it is following: 1. the movable mold core is formed by the fixed mold block, the demoulding block and the two movable side mold blocks, and after the half piece is formed, the two side mold blocks are separated from the fixed mold block towards two sides, so that the demoulding block cannot be subjected to the adhesive force and resistance of the two side mold blocks when pushing the half piece to demould, is less in stress and is not easy to deform; 2. the demoulding block is reset by adopting the spring, the structure is simple, the occupied volume is small, and an independent driving mechanism is not needed for driving the demoulding block.

Drawings

Fig. 1 is a schematic structural view of a handle.

Fig. 2 is a schematic view of a half-sheet structure.

FIG. 3 is a schematic structural view of an injection mold for facilitating demolding of a handle.

FIG. 4 is a schematic view of a stationary mold assembly for facilitating demolding of a handle injection mold.

FIG. 5 is a schematic view of a movable mold assembly for facilitating demolding of the injection mold for the handle.

FIG. 6 is a cross-sectional view of a movable mold assembly for facilitating demolding of the handle injection mold.

In the figure: 1. a stationary die assembly; 11. fixing a template; 111. a pouring gate; 112. a guide hole; 12. fixing a mold core; 121. a material channel; 2. a movable die assembly; 21. moving the template; 211. a guide post; 212. a track; 22. a movable mould core; 221. a side module; 2211. t-shaped strips; 222. determining a module; 223. demoulding; 2231. a top cap; 2232. a spring; 3. a top pillar; 4. a hydraulic cylinder; 5. extending the plate; 6. a handle; 61. and (5) half-piece.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

The specific implementation mode is as follows: referring to fig. 1-6, an injection mold for a handle convenient to demold comprises a fixed mold component 1 and a movable mold component 2 connected with the fixed mold component in a sliding manner, wherein the fixed mold component and the movable mold component are combined together, and a hollow cavity can be formed inside the fixed mold component and the movable mold component. The fixed die assembly 1 comprises a fixed die plate 11, a fixed die core 12 is fixedly connected to the fixed die plate 11, a plurality of guide holes 112 are formed in the periphery of the fixed die plate 11, a pouring port 111 is formed in the fixed die plate 11, a material channel 121 is formed in the position, corresponding to the pouring port 111, of the fixed die core 12, and the pouring port 111 is connected with the material channel 121. The movable mold assembly 2 comprises a movable mold plate 21, guide posts 211 are arranged at positions of the movable mold plate 21 corresponding to the guide holes 112, and the guide posts 211 are connected with the guide holes 112 in a sliding mode. Be provided with movable mould benevolence 22 on the movable mould board 21, movable mould benevolence 22 includes decides module 222, side form piece 221 and drawing of patterns piece 223, decide module 222 fixed connection on movable mould board 21, side module 221 is located the both sides of deciding module 222 and with movable mould board 21 sliding connection, take off module 223 is located the central point of two side modules 221 and puts and with movable mould board 21 sliding connection, the one end of taking off module 223 is provided with top cap 2231, be provided with spring 2232 between the other end of taking off module 223 and the movable mould board 21, be provided with the recess with top cap 2231 matched with on the side module 221, top cap 2231 and side form piece 221 sliding connection. The top cap 2231 can be extended upward to push the half 61 upward to allow for demolding. The top cap 2231 can be reset downward by the spring 2232.

The two sides of the bottom of the side module 221 are provided with T-shaped strips 2211, the movable die plate 21 is provided with rails 212 at positions corresponding to the T-shaped strips 2211, the rails 212 are the same as the T-shaped strips 2211 in shape and are connected in a sliding manner, so that the side module 221 can slide along the movable die plate 21 without falling off.

The two parallel sides of the extending direction of the side module 221 and the T-shaped strip 2211 are provided with extending plates 5, the movable template 21 is provided with a hydraulic cylinder 4, and the top end of a piston rod of the hydraulic cylinder 4 is fixedly connected with the extending plates 5. The hydraulic cylinder 4 can drive the side module 221 to move, so that the two side modules 221 can be separated or combined.

The top cap 2231 has a square cross section and a side length greater than twice the maximum moving distance of the side module 221 during demolding. This structure prevents the detachment module 223 from rotating and also prevents the top cap 2231 from falling downward when the two side modules 221 are detached to both sides.

The working principle is as follows: referring to fig. 1-6, the mold is installed on an injection molding apparatus during use, the fixed mold assembly 1 is fixed, the movable mold assembly 2 is driven by the injection molding apparatus to move, and the injection molding apparatus is provided with a fixed top pillar 3 at a position corresponding to the demolding block 223. After the half piece 61 is molded in the cavity formed by the fixed mold assembly 1 and the movable mold assembly 2, the movable mold assembly 2 moves downward, and the half piece 61 is embedded in the movable mold core 22. When the movable mold assembly 2 moves for a certain distance, the hydraulic cylinder 4 drives the two side mold blocks 221 to separate towards two sides, the half piece 61 is stuck on the fixed mold block 222 at the moment, then the movable mold assembly 2 continues to move downwards to cause the lower end of the demoulding block 223 to touch the ejection column 3, the ejection cap 2231 extends upwards relative to the movable mold plate 21, and the half piece 61 is pushed upwards to realize demoulding.

The utility model discloses a control mode comes automatic control through the controller, and the control circuit of controller can realize through the simple programming of technical staff in this field, belongs to the common general knowledge in this field, and the utility model discloses mainly be used for protecting the machinery setting, so the utility model discloses no longer explain control mode and circuit connection in detail.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. The utility model provides a handle injection mold convenient to drawing of patterns, includes cover half subassembly (1) and rather than sliding connection's movable mould subassembly (2), its characterized in that: the fixed die assembly (1) comprises a fixed die plate (11), a fixed die core (12) is fixedly connected to the fixed die plate (11), a plurality of guide holes (112) are formed in the periphery of the fixed die plate (11), a pouring gate (111) is formed in the fixed die plate (11), and a material channel (121) is formed in the position, corresponding to the pouring gate (111), of the fixed die core (12); the movable die assembly (2) comprises a movable die plate (21), guide columns (211) are arranged at positions of the movable die plate (21) corresponding to the guide holes (112), the guide columns (211) are connected with the guide holes (112) in a sliding mode, a movable die core (22) is arranged on the movable die plate (21), the movable die core (22) comprises a fixed die block (222), side die blocks (221) and a demolding block (223), the fixed die block (222) is fixedly connected to the movable die plate (21), the side die blocks (221) are located on two sides of the fixed die block (222) and are connected with the movable die plate (21) in a sliding mode, the demolding block (223) is located in the center of the two side die blocks (221) and is connected with the movable die plate (21) in a sliding mode, a top cap (2231) is arranged at one end of the demolding block (223), and a spring (2232) is arranged between the other end of the demolding block (223) and the movable die plate (21), the side module (221) is provided with a groove matched with the top cap (2231), and the top cap (2231) is connected with the side module (221) in a sliding mode.

2. The handle injection mold facilitating demolding as claimed in claim 1, wherein: t-shaped strips (2211) are arranged on two sides of the bottom of the side module (221), a track (212) is arranged at the position, corresponding to the T-shaped strips (2211), of the movable template (21), the shape of the track (212) is the same as that of the T-shaped strips (2211), and the track (212) and the T-shaped strips (2211) are connected in a sliding mode.

3. The handle injection mold facilitating demolding as claimed in claim 1, wherein: the side module (221) is provided with the board (5) of stretching out with the parallel both sides of T section bar (2211) extending direction, be provided with pneumatic cylinder (4) on movable mould board (21), the piston rod top of pneumatic cylinder (4) with stretch out board (5) fixed connection.

4. The handle injection mold facilitating demolding as claimed in claim 1, wherein: the cross section of the top cap (2231) is square, and the side length of the top cap is more than twice of the maximum moving distance of the side module (221) during demoulding.