Anti-sticking injection mold

Abstract

The utility model discloses an anti-sticking injection mold, and belongs to the technical field of anti-sticking injection molds. Comprising a base, a fixing frame and an electric cylinder. The fixing frame is located on the base, one end of the electric cylinder is fixedly connected with the fixing frame, and the lower end of the electric cylinder is connected with a shaping plate. An injection molding opening is formed in the upper end of the shaping plate, a mold plate is connected to the upper portion of the base, and a first anti-sticking device is arranged in the mold plate. The abutting plate is fixedly connected with the bottom of the formwork, the pressed plate is fixedly connected with the side face of the abutting plate, and the first connecting rod penetrates through the formwork and is in sliding connection with the formwork. The pressed plate is provided with a through groove, and the first connecting rod penetrates through the through groove and is fixedly connected with the push plate. And the first spring is located in the through groove, one end of the first spring is connected with the push plate, and the other end of the first spring is fixedly connected with the bottom of the template. The problem that after injection molding of an existing injection mold is completed, the mold is prone to adhesion, and consequently the mold is difficult to pick is solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of injection molds, and particularly relates to an anti-sticking injection mold. Background Art

[0002] An injection mold is a tool for producing plastic products. It consists of a front mold and a back mold that can open and close. When the back mold is closed with the front mold, a product cavity consistent with the product structure is formed between the back mold and the front mold. During injection molding, the heated and melted plastic is injected into the product cavity under high pressure by the injection molding machine. After cooling and solidification, a molded plastic product is obtained.

[0003] After the injection molding is completed, the existing injection mold is easily adhered to the mold cavity or the model, making the mold difficult to remove. Utility Model Content

[0004] In view of this, the purpose of the present invention is to provide an anti-sticking injection mold to solve the problem that the existing injection mold is easy to stick after the injection molding is completed, making the mold difficult to remove.

[0005] In order to achieve the above-mentioned purpose, the present invention provides the following technical solutions:

[0006] The utility model discloses an anti-sticking injection mold, comprising a base, a fixing frame and an electric cylinder, the fixing frame is located on the base, one end of the electric cylinder is fixedly connected to the fixing frame, the lower end of the electric cylinder is connected to a shaping plate, the upper end of the shaping plate is provided with an injection port, the upper end of the base is connected to the template, and a first anti-sticking device is provided in the template, the first anti-sticking device comprises: a push plate, a first connecting rod, a first spring, a resistance plate and a pressure plate, the resistance plate is fixedly connected to the bottom of the template, the pressure plate is fixedly connected to the side of the resistance plate, the first connecting rod passes through the template and is slidably connected to the template, the pressure plate is provided with a through slot, the first connecting rod passes through the through slot and is fixedly connected to the push plate, the first spring is located in the through slot, one end of the first spring is connected to the push plate, and the other end of the first spring is fixedly connected to the bottom of the template.

[0007] Furthermore, the height of the push plate after contacting the pressure plate is consistent with the height of the contact plate.

[0008] Furthermore, there are four connecting rods, which are arranged in groups of two, and each of the two groups of connecting rods is connected to a push plate.

[0009] Furthermore, a second anti-sticking device is connected to the outer side of the shaping plate, and the second anti-sticking device includes: a baffle, a second connecting rod, a second spring and an anti-sticking plate. There are multiple second connecting rods and they surround the shaping plate. Multiple second connecting rods pass through the shaping plate and are slidably connected to the shaping plate. The second spring is located on the outer side of the second connecting rod. The shaping plate is provided with a groove, and the groove is located outside the second spring. One end of the second connecting rod is fixedly connected to the baffle, and the anti-sticking plate is fixedly connected to the outer side of the shaping plate.

[0010] Furthermore, the height of the baffle after contacting the shaping plate is consistent with the height of the anti-sticking plate.

[0011] The beneficial effects of the present invention are:

[0012] The utility model discloses an anti-sticking injection mold, which prevents the mold from sticking to the template after being squeezed into the template by a first anti-sticking device; prevents the mold from rising when the electric cylinder drives the shaping plate to rise by the second anti-sticking device, and prevents the shaping plate from sticking to the mold; the shaping plate and the push plate are in contact with each other, so that the push plate moves downward and contacts with the pressure plate, at which time the injection port enters the material to perform injection molding in the template; when the injection molding is completed, the electric cylinder drives the shaping plate to move upward, and at this time the first spring is no longer subjected to force to push the mold out of the template.

[0013] Other advantages, objectives, and features of the present invention will be described in the following description and will be apparent to those skilled in the art to some extent, or they may be taught by those skilled in the art from the practice of the present invention. The objectives and other advantages of the present invention may be realized and obtained through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to make the purpose, technical solution and beneficial effects of the present invention clearer, the present invention is described with the following drawings:

[0015] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a side view of the utility model;

[0017] Figure 3 For this utility model Figure 2 Enlarged view at point A in the middle;

[0018] Figure 4 This is a view of the first anti-sticking device and other components of the utility model.

[0019] The markings in the accompanying drawings are as follows: 1. Base; 2. Fixed frame; 3. Electric cylinder; 4. Forming plate; 5. Injection port; 6. Template; 7. First anti-sticking device; 71. Push plate; 72. First connecting rod; 73. Pressure plate; 74. First spring; 75. Contact plate; 8. Through groove; 9. Second anti-sticking device; 91. Baffle; 92. Second connecting rod; 93. Second spring; 94. Anti-sticking plate; 10. Groove. DETAILED DESCRIPTION

[0020] like Figures 1 to 4 As shown, the present invention provides an anti-sticking injection mold, comprising a base 1, a fixing frame 2, and an electric cylinder 3. One end of the fixing frame 2 is connected to the base 1, and one end of the electric cylinder 3 is fixedly connected to the fixing frame 2. A shaping plate 4 is connected to the lower end of the electric cylinder 3, which drives the shaping plate 4 to move. An injection port 5 is defined at the upper end of the shaping plate 4, through which material enters and is discharged from the lower end of the shaping plate 4. A template 6 is connected to the upper portion of the base 1, with the shaping plate 4 and template 6 arranged in a corresponding manner.

[0021] The template 6 is provided with a first anti-sticking device 7 for preventing the mold from adhering to the template 6. The first anti-sticking device 7 includes a push plate 71, a first connecting rod 72, a first spring 74, a contact plate 75, and a pressure plate 73. The contact plate 75 is fixedly connected to the bottom of the template 6, and the pressure plate 73 has two plates, each fixedly connected to the two sides of the contact plate 75. The first connecting rods 72 pass through the template 6 and are slidably connected to the template 6. There are four first connecting rods 72, and they are arranged in groups of two, thereby increasing the stability of the first connecting rods 72. Each of the two groups of first connecting rods 72 is connected to a push plate 71, and the two push plates 71 are used to push the mold (not shown in the text). The pressure plate 73 has a through slot 8. The first connecting rod 72 passes through the through slot 8 and is fixedly connected to the push plate 71. The first connecting rod 72 is used to push the push plate 71. The first spring 74 is located in the through slot 8. One end of the first spring 74 is connected to the push plate 71, and the first spring 74 allows the push plate 71 to return to its original position. The other end of the first spring 74 is fixedly connected to the bottom of the mold plate 6. After the push plate 71 contacts the pressure plate 73, the height is consistent with the height of the contact plate 75, so that the flatness of the mold is consistent.

[0022] The outer side of the shaping plate 4 is connected to a second anti-sticking device 9 for preventing the shaping plate 4 from sticking to the mold. The second anti-sticking device 9 includes a baffle 91, a second connecting rod 92, a second spring 93, and an anti-sticking plate 94. Multiple second connecting rods 92 are arranged around the shaping plate 4 to prevent adhesion. Multiple second connecting rods 92 pass through the shaping plate 4 and are slidably connected to the shaping plate 4. One end of each second connecting rod 92 is fixedly connected to the baffle 91 to prevent the baffle 91 from shaking. The second spring 93 is located outside the second connecting rod 92, allowing it to retract. The shaping plate 4 has a groove 10, which is located outside the second spring 93, allowing the second spring 93 to retract into the groove 10 when stressed. The anti-sticking plate 94 is fixedly connected to the outer side of the shaping plate 4. After the baffle 91 contacts the shaping plate 4, its height is consistent with the anti-sticking plate 94, preventing deformation of the upper end of the mold.

[0023] The working process of the above scheme is as follows: the electric cylinder 3 drives the shaping plate 4 toward the template 6, and one end of the shaping plate 4 extends into the template 6. At this time, the shaping plate 4 contacts the push plate 71, and the push plate 71 is forced to move downward and contacts the pressure plate 73. At this time, the push plate 71 is flush with the contact plate 75. The baffle 91 contacts the upper part of the template 6, and the baffle 91 is forced to contact the shaping plate 4 so that the second spring 93 is compressed into the groove 10. At this time, the baffle 91 is at the same height as the anti-sticking plate 94. The injection port 5 discharges the material to form the mold, and the mold contacts the push plate 71 to continuously press the push plate 71 to form the mold. After the mold is formed, the electric cylinder 3 drives the shaping plate 4 to move upward. At this time, the mold is no longer under force, and the first spring 74 drives the first connecting rod 72 and the push plate 71 to move upward, and the push plate 71 pushes the mold out of the template 6. When the shaping plate 4 moves upward, the baffle 91 is no longer subjected to force, and the second spring 93 drives the second connecting rod 92 and the baffle 91 to move toward the template 6 to prevent the mold and the shaping plate 4 from sticking.

[0024] The above scheme has the following beneficial effects: the first anti-sticking device 7 is used to prevent the mold from being squeezed into the template 6 and then sticking to the template 6; the second anti-sticking device 9 is used to prevent the electric cylinder 3 from driving the molding plate 4 to rise and driving the mold up, thereby preventing the molding plate 4 from sticking to the mold; the molding plate 4 is caused to contact the push plate 71 so that the push plate 71 moves down and contacts the pressure plate 73, at which time the injection port 5 enters the material for injection molding in the template 6, and when the injection molding is completed, the electric cylinder 3 drives the molding plate 4 to move up, and at this time the first spring 74 is no longer subjected to force to push the mold out of the template 6.

[0025] Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solutions of the present invention and are not limiting. Although the present invention has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made in form and details without departing from the scope defined by the claims of the present invention.

Claims

1. An anti-sticking injection mold, characterized in that: The invention comprises a base (1), a fixing frame (2) and an electric cylinder (3), wherein the fixing frame (2) is located above the base (1), one end of the electric cylinder (3) is fixedly connected to the fixing frame (2), the lower end of the electric cylinder (3) is connected to a shaping plate (4), the upper end of the shaping plate (4) is provided with an injection molding port (5), the upper part of the base (1) is connected to a template (6), the template (6) is provided with a first anti-sticking device (7), and the first anti-sticking device (7) comprises: a push plate (71), a first connecting rod (72), a first spring (74), a contact plate (75) and a pressure plate (73), The contact plate (75) is fixedly connected to the bottom of the template (6), the pressure plate (73) is fixedly connected to the side of the contact plate (75), the first connecting rod (72) passes through the template (6) and is slidably connected to the template (6), the pressure plate (73) is provided with a through slot (8), the first connecting rod (72) passes through the through slot (8) and is fixedly connected to the push plate (71), the first spring (74) is located in the through slot (8), one end of the first spring (74) is connected to the push plate (71), and the other end of the first spring (74) is fixedly connected to the bottom of the template (6).

2. The anti-sticking injection mold according to claim 1, characterized in that: After the push plate (71) contacts the pressure plate (73), the height thereof is consistent with the height of the contact plate (75).

3. The anti-sticking injection mold according to claim 1, characterized in that: There are four connecting rods, which are grouped in pairs. Each of the two groups of connecting rods is connected to a push plate (71).

4. The anti-sticking injection mold according to claim 1, characterized in that: The outer side of the shaping plate (4) is connected with a second anti-sticking device (9), and the second anti-sticking device (9) includes: a baffle (91), a second connecting rod (92), a second spring (93) and an anti-sticking plate (94). There are multiple second connecting rods (92) and they surround the shaping plate (4). Multiple second connecting rods (92) pass through the shaping plate (4) and are slidably connected to the shaping plate (4). The second spring (93) is located on the outer side of the second connecting rod (92). The shaping plate (4) is provided with a groove (10), and the groove (10) is located outside the second spring (93). One end of the second connecting rod (92) is fixedly connected to the baffle (91), and the anti-sticking plate (94) is fixedly connected to the outer side of the shaping plate (4).

5. The anti-sticking injection mold according to claim 4, characterized in that: After the baffle (91) contacts the shaping plate (4), its height is consistent with that of the anti-sticking plate (94).

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