Rapid demolding structure of injection mold

Abstract

The utility model discloses a quick demoulding structure of an injection mould, which comprises a movable mould base, the front surface and the back surface of the movable mould base are fixedly connected with convex blocks, the inner walls of the convex blocks are fixedly connected with electric push rods, the outer surfaces of the electric push rods are fixedly connected with vertical plates, and the inner walls of the middle parts of the vertical plates are fixedly connected with hydraulic rods; according to the rapid demolding structure of the injection mold, after a workpiece is subjected to injection molding and cooling molding, the electric push rod is started to contract, the movable mold base moves on the limiting guide rail in the direction away from the workpiece through the sliding base and is gradually separated from the molded workpiece, the limiting groove and the mounting block are also separated, the workpiece is located on the model block, and then the workpiece is grabbed by a hand with a glove; the hydraulic rod is started to contract, so that the model block on the mounting block is also separated from the workpiece, then the formed workpiece is placed, production work continues, and therefore the workpiece can be rapidly separated from the mold, the workpiece can be prevented from being damaged in the separation process, and the demolding quality is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of mold demoulding, in particular to a rapid demoulding structure for an injection mold. Background Art

[0002] At present, injection molds are a tool for producing plastic products; they are also a tool for giving plastic products a complete structure and precise size. Injection molding is a processing method used in mass production of certain parts with complex shapes. Specifically, it refers to the high-pressure injection of heated and melted plastic into the mold cavity by an injection molding machine, and after cooling and solidification, a molded product is obtained.

[0003] After searching, it was found that a quick demoulding structure of an injection mold was disclosed in the Chinese Utility Model Patent Publication No. CN214163841U. The cooling and molding of the molded workpiece and the vibration of the vibration motor can quickly shake the molded workpiece inside the fixed module off. However, if some of the workpieces are not cooled thoroughly, they will stick to the mold. The workpiece cannot be completely shaken off by vibration alone, and the workpiece will also be damaged during the vibration process. Therefore, a structure that can quickly and completely demould the workpiece is needed. Utility Model Content

[0004] The main purpose of the utility model is to provide a quick demoulding structure for an injection mold, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A quick demoulding structure for an injection mold comprises a movable mold base, wherein the front and back sides of the movable mold base are fixedly connected with protrusions, the inner wall of the protrusion is fixedly connected with an electric push rod, the outer surface of the electric push rod is fixedly connected with a vertical plate, the inner wall of the middle part of the vertical plate is fixedly connected with a hydraulic rod, and one end of the hydraulic rod is fixedly connected with a mounting block.

[0007] In order to facilitate workpiece molding, as a quick demoulding structure of an injection mold of the utility model, the outer surface of the mounting block is fixedly connected to the model block, and the lower surface of the vertical plate is fixedly connected to the bottom plate.

[0008] In order to achieve the effect of fixedly supporting the hydraulic rod and the electric push rod, as a quick demolding structure of the injection mold of the utility model, the middle part of one side of the vertical plate is fixedly connected with a first arc seat, and one side of the vertical plate is fixedly connected with a second arc seat.

[0009] In order to facilitate the injection molding process into the mold, as a quick demoulding structure of the injection mold of the utility model, a fixed mold plate is arranged on one side of the movable mold base, and an injection port is opened on one side of the fixed mold plate.

[0010] In order to facilitate the closing of the movable mold and the fixed mold together, as a quick demoulding structure of the injection mold of the utility model, a sealing groove is opened on the other side of the fixed mold plate, and a limiting groove is opened on the inner wall of the movable mold seat.

[0011] In order to achieve the effect of supporting the fixed template, as a quick demoulding structure of the injection mold of the utility model, the lower surface of the fixed template is fixedly connected with a supporting short rod, and the front and back sides of the fixed template are fixedly connected with supporting long rods.

[0012] In order to facilitate cooling of the workpiece, as a quick demolding structure of an injection mold of the utility model, a cooling cavity is arranged inside the movable mold seat, a liquid inlet pipe is fixedly connected to the front side of the movable mold seat, and a liquid outlet pipe is fixedly connected to the back side of the movable mold seat.

[0013] In order to achieve the effect of limiting support for the movable mold seat, as a quick demolding structure of the injection mold of the utility model, the upper surface of the base plate is fixedly connected to a support frame, the inner wall of the support frame is fixedly connected to a limiting guide rail, the outer surface of the limiting guide rail is movably connected to a slide seat, and the upper surface of the slide seat is fixedly connected to the movable mold seat.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. The rapid demolding structure of the injection mold is configured by a movable mold seat, a convex block, an electric push rod, a vertical plate, a hydraulic rod and a mounting block. One side of the movable mold seat is inserted into the sealing groove of the fixed mold plate, and injection molding is performed from the injection port on the fixed mold plate into the device. After the injection molding is completed and the workpiece is cooled and formed, the electric push rod is started to shrink, and the movable mold seat moves away from the workpiece on the limit guide rail through the slide seat, and gradually separates from the molded workpiece. The limit groove and the mounting block are also separated, so that the workpiece is located on the model block, and then the workpiece is grasped by a gloved hand, and the hydraulic rod is started to shrink, so that the model block on the mounting block is also separated from the workpiece, and then the molded workpiece is placed and the production work is continued, so that the workpiece and the mold can be quickly separated, and the workpiece can be prevented from being damaged during the separation process, thereby ensuring the demolding quality.

[0016] 2. The quick demoulding structure of the injection mold, through the setting of the cooling cavity, the liquid inlet pipe and the liquid outlet pipe, the coolant enters the cooling cavity of the movable mold base from the liquid inlet pipe, and then flows out of the cooling cavity from the liquid outlet pipe. When the workpiece is formed, the cooling cavity surrounds the workpiece in the movable mold base, so that the workpiece can be quickly cooled and formed; through the setting of the slide seat, the support frame and the limit guide rail, when the movable mold base moves, the slide seat at the bottom thereof slides on the limit guide rail in the support frame, thereby ensuring the stability of the movable mold base when moving and providing support for the movable mold base to move. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a structural schematic diagram of a quick demoulding structure of an injection mold in Example 1 of the utility model;

[0018] Figure 2 This is a schematic cross-sectional structure diagram of a quick demoulding structure of an injection mold in the embodiment 1 of the utility model;

[0019] Figure 3 This is a schematic cross-sectional structure diagram of a quick demoulding structure of an injection mold in Example 1 of the utility model, viewed from the right;

[0020] Figure 4 This is a schematic diagram of the isometric structure of a sealing groove in a quick demoulding structure of an injection mold according to Example 1 of the utility model;

[0021] Figure 5 This is a schematic diagram of the exploded structure of a mounting block in a quick demoulding structure of an injection mold according to Example 1 of the utility model.

[0022] In the figure: 1. movable mold seat; 2. convex block; 3. electric push rod; 4. vertical plate; 5. hydraulic rod; 6. mounting block; 7. model block; 8. bottom plate; 9. first arc seat; 10. second arc seat; 11. fixed mold plate; 12. injection port; 13. supporting short rod; 14. supporting long rod; 15. sealing groove; 16. cooling chamber; 17. liquid inlet pipe; 18. liquid outlet pipe; 19. limiting groove; 20. slide seat; 21. support frame; 22. limiting guide rail. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Example 1

[0025] like Figure 1-5 As shown, a quick demolding structure for an injection mold includes a movable mold base 1, the front and back sides of the movable mold base 1 are fixedly connected with protrusions 2, the inner wall of the protrusion 2 is fixedly connected with an electric push rod 3, the outer surface of the electric push rod 3 is fixedly connected with a vertical plate 4, the inner wall of the middle part of the vertical plate 4 is fixedly connected with a hydraulic rod 5, and one end of the hydraulic rod 5 is fixedly connected with a mounting block 6.

[0026] When in use, through the arrangement of the movable mold base 1, the convex block 2, the electric push rod 3, the vertical plate 4, the hydraulic rod 5 and the mounting block 6, the lower part of the movable mold base 1 is installed on the limiting guide rail 22 through the slide 20, the four corners of the movable mold base 1 are connected to the electric push rod 3 through the convex block 2, the electric push rod 3 and the hydraulic rod 5 are fixed on the second arc seat 10 and the first arc seat 9 of the vertical plate 4, one end of the hydraulic rod 5 is connected to the mounting block 6 in the movable mold base 1, and the mounting block 6 is fixed to the model block 7. When the device is in use, one side of the movable mold base 1 is inserted into the sealing groove 15 of the fixed mold plate 11, and the injection port 12 on the fixed mold plate 11 is pushed into the mounting block 7. The mold base 1 is placed inside for injection molding. After the workpiece is cooled and formed after the injection molding, the electric push rod 3 is started to shrink. The movable mold base 1 moves away from the workpiece on the limiting guide rail 22 through the slide 20, and is gradually separated from the molded workpiece. The limiting groove 19 and the mounting block 6 are also separated, so that the workpiece is located on the model block 7. Then the gloved hand grasps the workpiece, and the hydraulic rod 5 is started to shrink, so that the model block 7 on the mounting block 6 is also separated from the workpiece. After that, the molded workpiece is placed and the production work is continued, so that the workpiece and the mold can be quickly separated. The workpiece can also be prevented from being damaged during the separation process, and the demolding quality is guaranteed.

[0027] In this embodiment, the outer surface of the mounting block 6 is fixedly connected to the model block 7 , and the lower surface of the vertical plate 4 is fixedly connected to the bottom plate 8 .

[0028] During specific use, the model block 7 is provided to facilitate workpiece molding.

[0029] In this embodiment, a first arc seat 9 is fixedly connected to the middle of one side of the vertical plate 4 , and a second arc seat 10 is fixedly connected to one side of the vertical plate 4 .

[0030] During specific use, the hydraulic rod 5 and the electric push rod 3 are fixedly supported by the arrangement of the first arc seat 9 and the second arc seat 10 .

[0031] In this embodiment, a fixed mold plate 11 is disposed on one side of the movable mold base 1 , and an injection port 12 is opened on one side of the fixed mold plate 11 .

[0032] During specific use, the setting of the injection port 12 facilitates injection into the mold.

[0033] In this embodiment, a sealing groove 15 is provided on the other side of the fixed mold plate 11 , and a limiting groove 19 is provided on the inner wall of the movable mold base 1 .

[0034] During specific use, the sealing groove 15 is provided to facilitate the closing of the movable mold and the fixed mold.

[0035] In this embodiment, a short support rod 13 is fixedly connected to the lower surface of the fixed template 11 , and a long support rod 14 is fixedly connected to the front and back surfaces of the fixed template 11 .

[0036] During specific use, the fixed template 11 is supported by the arrangement of the supporting short rods 13 and the supporting long rods 14 .

[0037] In this embodiment, a cooling cavity 16 is provided inside the movable mold base 1 , a liquid inlet pipe 17 is fixedly connected to the front side of the movable mold base 1 , and a liquid outlet pipe 18 is fixedly connected to the back side of the movable mold base 1 .

[0038] During specific use, the cooling chamber 16 is provided to facilitate cooling of the workpiece.

[0039] In this embodiment, the upper surface of the base plate 8 is fixedly connected to a support frame 21, the inner wall of the support frame 21 is fixedly connected to a limiting guide rail 22, the outer surface of the limiting guide rail 22 is movably connected to a slide seat 20, and the upper surface of the slide seat 20 is fixedly connected to a movable mold base 1.

[0040] During specific use, the movable mold base 1 is supported in a limited position by the arrangement of the support frame 21 and the limiting guide rail 22 .

[0041] Working principle: When the device is in use, one side of the movable mold base 1 is inserted into the sealing groove 15 of the fixed mold plate 11, and injection is carried out into the device from the injection port 12 on the fixed mold plate 11. After the injection is completed and the workpiece is cooled and formed, the electric push rod 3 is started to shrink, and the movable mold base 1 moves away from the workpiece on the limiting guide rail 22 through the slide 20, gradually separating from the molded workpiece, and the limiting groove 19 and the mounting block 6 are also separated, so that the workpiece is located on the model block 7, and then the workpiece is grasped by a gloved hand, and the hydraulic rod 5 is started to shrink, so that the model block 7 on the mounting block 6 is also separated from the workpiece, and then the molded workpiece is placed and production work continues.

[0042] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A quick demoulding structure for an injection mold, comprising a movable mold base (1), characterized in that: The front and back sides of the movable mold base (1) are fixedly connected with a convex block (2); the inner wall of the convex block (2) is fixedly connected with an electric push rod (3); the outer surface of the electric push rod (3) is fixedly connected with a vertical plate (4); the inner wall of the middle part of the vertical plate (4) is fixedly connected with a hydraulic rod (5); one end of the hydraulic rod (5) is fixedly connected with a mounting block (6); the outer surface of the mounting block (6) is fixedly connected with a model block (7); the lower surface of the vertical plate (4) is fixedly connected with a bottom plate (8); a fixed mold plate (11) is provided on one side of the movable mold base (1); an injection port (12) is provided on one side of the fixed mold plate (11); a sealing groove (15) is provided on the other side of the fixed mold plate (11); and a limiting groove (19) is provided on the inner wall of the movable mold base (1).

2. The rapid demoulding structure for injection mold according to claim 1, characterized in that: A first arc seat (9) is fixedly connected to the middle of one side of the vertical plate (4), and a second arc seat (10) is fixedly connected to one side of the vertical plate (4).

3. The rapid demoulding structure for injection mold according to claim 1, characterized in that: The lower surface of the fixed template (11) is fixedly connected to a short support rod (13), and the front and back surfaces of the fixed template (11) are fixedly connected to long support rods (14).

4. The rapid demoulding structure for injection mold according to claim 1, characterized in that: A cooling cavity (16) is provided inside the movable mold base (1), a liquid inlet pipe (17) is fixedly connected to the front side of the movable mold base (1), and a liquid outlet pipe (18) is fixedly connected to the back side of the movable mold base (1).

5. The rapid demoulding structure for injection mold according to claim 1, characterized in that: The upper surface of the base plate (8) is fixedly connected to a support frame (21), the inner wall of the support frame (21) is fixedly connected to a limiting guide rail (22), the outer surface of the limiting guide rail (22) is movably connected to a slide seat (20), and the upper surface of the slide seat (20) is fixedly connected to a movable mold seat (1).

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