Injection molding machine convenient to demould

The injection molding machine that automatically sprays release agent solves the safety hazards and low efficiency problems associated with manual spraying of release agent, and achieves a highly efficient and safe injection molding process.

CN223948372UActive Publication Date: 2026-02-27SHENZHEN XINGMAO STATIONERY PRODUCTS CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520258433.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-18
Publication Date
2026-02-27
Estimated Expiration
2035-02-18

AI Technical Summary

Technical Problem

The current method of manually spraying release agent on injection molding machines poses safety hazards and is inefficient.

Method used

Design an injection molding machine that automatically sprays release agent. The machine uses a combination of liquid tank, piston cylinder, nozzle and robotic arm to achieve automatic spraying of release agent. Combined with belt drive and fan cooling, it ensures smooth injection molding process.

Benefits of technology

It improves injection molding efficiency, ensures smooth demolding of the injection molding machine, reduces safety hazards of manual operation, and improves operational efficiency and safety.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223948372U_ABST
    Figure CN223948372U_ABST
Patent Text Reader

Abstract

The utility model relates to an injection molding machine, in particular to an injection molding machine convenient to demould. The utility model provides an injection molding machine capable of automatically spraying a release agent and facilitating demolding. An injection molding machine facilitating demolding comprises a base, a fixed mold, a movable mold and the like, the movable mold and the fixed mold are connected to the base, an injection molding machine body is formed by the movable mold and the fixed mold, the injection molding machine further comprises a connecting block, a piston rod, a baffle, a liquid tank, a piston cylinder and a spray head, the piston cylinder is fixed to the base through a support, the connecting block is connected to the movable mold and fixedly connected with the piston rod, and the spray head is connected with the baffle. The piston rod is slidably connected into the piston cylinder and connected with a baffle, the piston cylinder is connected with a liquid tank, and the end of the piston cylinder is connected with a sprayer. The liquid tank can guide a release agent into the piston cylinder, when the movable mold moves towards the fixed mold, the baffle connected with the piston rod can seal the liquid tank, and then the piston rod sprays the release agent to the movable mold and the fixed mold through the spray head.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to an injection molding machine, especially an injection molding machine convenient for demolding. BACKGROUND

[0002] The injection molding machine is the main molding equipment for making various shape plastic products by thermoplastic or thermosetting plastic using plastic molding die.

[0003] At present, the injection molding machine generally helps demolding by manual spraying of demolding agent, which has safety hazards. The mechanical arm sprays the demolding agent, and the operation efficiency is slow.

[0004] Therefore, the utility model designs an injection molding machine capable of automatically spraying demolding agent. UTILITY MODEL CONTENTS

[0005] In order to overcome the shortcomings that the existing injection molding machine sprays demolding agent manually and the demolding efficiency of the injection molding machine is low, the utility model provides an injection molding machine convenient for demolding and capable of automatically spraying demolding agent.

[0006] An injection molding machine convenient for demolding comprises a base, a movable mold and a fixed mold, the movable mold and the fixed mold are connected to the base, the movable mold and the fixed mold constitute an injection molding machine body, further comprising a connecting block, a piston rod, a baffle, a liquid tank, a piston cylinder and a spray head, the piston cylinder is fixed to the base through a support, the connecting block is connected to the movable mold, the connecting block is fixedly connected with the piston rod, the piston rod is slidingly connected in the piston cylinder, the piston rod is connected with the baffle, the piston cylinder is connected with the liquid tank, the end of the piston cylinder is connected with the spray head, and the openings of the spray head respectively point to the movable mold and the fixed mold.

[0007] Optionally, further comprising a belt pulley, a flat belt and a motor, the motor is fixed to the base through a support, the belt pulley is connected to the output shaft of the motor through a key, another belt pulley is rotatably connected to the other side of the base through a support, and the flat belt is wound around the two belt pulleys.

[0008] Optionally, further comprising a collecting box, the collecting box is connected to the side of the base, and the collecting box is located below the flat belt.

[0009] Optionally, further comprising a cooling water pipe, the cooling water pipe is connected to the movable mold, spraying holes are formed in the cooling water pipe, and the spraying holes point to the flat belt.

[0010] Optionally, further comprising a fan, the fan is connected to the fixed mold, and the wind power of the fan points to the flat belt.

[0011] The utility model has the advantages of:

[0012] The liquid tank can guide the release agent into the piston cylinder, the baffle connected by the piston rod can close the liquid tank when the movable mold moves to the fixed mold, and then the piston rod sprays the release agent to the movable mold and the fixed mold through the spray head. After the injection molding process is completed, the movable mold slides back to the original position, the discharge hole of the baffle is in communication with the liquid tank, and the liquid tank continues to guide the release agent into the piston cylinder. Thus, the injection molding machine can be automatically sprayed with the release agent, the injection molding efficiency is improved, and the injection molding machine can be smoothly demolded. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a three-dimensional structure schematic view of the utility model.

[0014] Figure 2 It is a three-dimensional structure schematic view of the utility model base, movable mold and fixed mold.

[0015] Figure 3 It is a three-dimensional structure schematic view of the utility model piston rod, baffle and piston cylinder.

[0016] Figure 4 It is a three-dimensional structure schematic view of the utility model motor, belt pulley and flat belt.

[0017] Figure 5 It is a three-dimensional structure schematic view of the utility model cooling water pipe and fan.

[0018] The figure mark explanation: 1 base, 2 movable mold, 3 fixed mold, 4 connecting block, 5 piston rod, 6 baffle, 7 liquid tank, 8 piston cylinder, 9 spray head, 10 belt pulley, 11 collection box, 12 flat belt, 13 motor, 14 cooling water pipe, 15 fan. DETAILED DESCRIPTION

[0019] The following description is only a preferred embodiment of the utility model, and does not limit the protection scope of the utility model.

[0020] A kind of injection molding machine for easy demolding, as shown in Figures 1-5 It includes base 1, movable mold 2 and fixed mold 3, movable mold 2 and fixed mold 3 are connected on base 1, movable mold 2 and fixed mold 3 form injection molding machine body, further include connecting block 4, piston rod 5, baffle 6, liquid tank 7, piston cylinder 8 and spray head 9, piston cylinder 8 is fixed on base 1 by support, connecting block 4 is connected on movable mold 2, connecting block 4 is fixedly connected with piston rod 5, piston rod 5 is slidingly connected in piston cylinder 8, piston rod 5 is connected with baffle 6, piston cylinder 8 is connected with liquid tank 7, the end of piston cylinder 8 is connected with spray head 9, and the opening of spray head 9 is respectively directed to movable mold 2 and fixed mold 3.

[0021] As shown in Figure 1 , Figure 4 andFigure 5 As shown in the drawings, it also comprises a belt pulley 10, a flat belt 12 and a motor 13, the motor 13 is fixed on the base 1 through a support, the belt pulley 10 is connected on the output shaft of the motor 13 through a key, another belt pulley 10 is rotatably connected on the other side of the base 1 through a support, and the flat belt 12 is wound on the two belt pulleys 10.

[0022] As shown in the drawings, Figure 1 and Figure 4 As shown in the drawings, it also comprises a collecting box 11, the collecting box 11 is connected on the side of the base 1, and the collecting box 11 is located below the flat belt 12.

[0023] As shown in the drawings, Figure 5 As shown in the drawings, it also comprises a cooling water pipe 14, the cooling water pipe 14 is connected on the movable mold 2, and the cooling water pipe 14 is provided with spraying holes, and the spraying holes are directed to the flat belt 12.

[0024] As shown in the drawings, Figure 5 As shown in the drawings, it also comprises a fan 15, the fan 15 is connected on the fixed mold 3, and the air force of the fan 15 is directed to the flat belt 12.

[0025] The injection molding machine body is composed of the base 1, the movable mold 2 and the fixed mold 3, the movable mold 2 is horizontally moved to be embedded with the fixed mold 3, and then the injection molding process is carried out, the baffle 6 is provided with a discharging hole, the discharging hole of the baffle 6, the liquid tank 7 and the piston cylinder 8 are in a through state in the initial state, the releasing agent in the liquid tank 7 can enter the piston cylinder 8, when the movable mold 2 moves, the movable mold 2 can drive the piston rod 5 to move through the connecting block 4, the baffle 6 moves synchronously with the movable mold 2, the baffle 6 can close the lower opening of the liquid tank 7, and then the piston rod 5 can spray the releasing agent in the piston cylinder 8 to the surfaces of the movable mold 2 and the fixed mold 3 through the nozzle 9, so as to realize the effect of facilitating demolding, compared with the traditional manual spraying of the releasing agent, the device can automatically spray the releasing agent when the movable mold 2 moves to carry out the injection molding process, which not only improves the injection molding efficiency, but also ensures that the injection molding machine is smoothly demolded, after the injection molding process is completed, the movable mold 2 is slid to reset, the discharging hole of the baffle 6 is moved to below the liquid tank 7 again, and the releasing agent in the liquid tank 7 can enter the piston cylinder 8 again, so as to facilitate the next injection molding and demolding, the injection molding workpiece falls on the flat belt 12, the belt pulley 10 is driven to rotate by the motor 13, and then the flat belt 12 is driven to rotate, the injection molding workpiece can fall into the collecting box 11 to be uniformly collected, and the cooling water pipe 14 and the fan 15 can cool the injection molding workpiece during the process, so that the injection molding workpiece is solidified and formed.

[0026] The above only describes the preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An injection molding machine for easy demolding, comprising a base (1), a moving mold (2), and a fixed mold (3), wherein the moving mold (2) and the fixed mold (3) are connected to the base (1), and the moving mold (2) and the fixed mold (3) constitute the body of the injection molding machine, characterized in that, It also includes a connecting block (4), a piston rod (5), a baffle (6), a liquid tank (7), a piston cylinder (8), and a nozzle (9). The piston cylinder (8) is fixed on the base (1) by a bracket. The connecting block (4) is connected to the moving mold (2). The connecting block (4) is fixedly connected to the piston rod (5). The piston rod (5) is slidably connected inside the piston cylinder (8). The piston rod (5) is connected to the baffle (6). The piston cylinder (8) is connected to the liquid tank (7). The end of the piston cylinder (8) is connected to the nozzle (9). The openings of the nozzle (9) point to the moving mold (2) and the fixed mold (3), respectively.

2. The injection molding machine for easy demolding according to claim 1, characterized in that, It also includes a pulley (10), a flat belt (12) and a motor (13). The motor (13) is fixed on the base (1) by a bracket. The pulley (10) is connected to the output shaft of the motor (13) by a key. Another pulley (10) is rotatably connected to the other side of the base (1) by a bracket. The flat belt (12) is wrapped around the two pulleys (10).

3. The injection molding machine for easy demolding according to claim 2, characterized in that, It also includes a collection box (11), which is connected to the side of the base (1) and is located below the flat belt (12).

4. The injection molding machine for easy demolding according to claim 3, characterized in that, It also includes a cooling water pipe (14), which is connected to the moving mold (2). The cooling water pipe (14) has spray holes that point towards the flat belt (12).

5. The injection molding machine for easy demolding according to claim 4, characterized in that, It also includes a fan (15), which is connected to the fixed mold (3), and the airflow of the fan (15) is directed towards the flat belt (12).