Injection mold easy to demold

Abstract

The utility model discloses an injection mold easy to demold, relates to the technical field of injection molds, and aims to solve the problems that the injection mold in the prior art generally does not have an auxiliary demolding structure, so that the surface and corners of a finished product are easily damaged in the demolding process, and the demolding quality is influenced. Supporting frames are arranged on the two sides of the upper surface of the bottom plate, a top plate is arranged on the tops of the supporting frames, an air cylinder is installed on the upper surface of the top plate, and a pneumatic telescopic rod is arranged on the lower surface of the top plate. The mold is arranged between the bottom plate and the top plate, an upper mold base is arranged above the mold, and a lower mold base is arranged below the mold; and the first supporting plate is arranged at the top of the upper die base, a second supporting plate is arranged at the bottom of the lower die base, cooling fans are installed in the first supporting plate and the second supporting plate correspondingly, and connecting sleeves are arranged on the two sides of the upper surface of the first supporting plate correspondingly.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, in particular to an injection mold which is easy to demould. Background Art

[0002] Molds are various molds and tools used in industrial production to obtain the desired products by injection molding, blow molding, extrusion, die casting or forging, smelting, stamping and other methods. In short, molds are tools used to make molded objects. This tool is composed of various parts, and different molds are composed of different parts;

[0003] For example, the Chinese authorized patent (injection mold) with announcement number CN209079079U includes: an injection mold front mold and an injection mold back mold, the injection mold front mold is used to fit with the injection mold back mold, the injection mold front mold includes a front mold fixing plate, a positioning ring, a glue inlet, a front mold seat plate and a flow channel, the positioning ring is arranged on the front mold fixing plate, the glue inlet is connected to the positioning ring, the front mold seat plate is arranged on the front mold fixing plate, the injection mold, through the set injection mold front mold and injection mold back mold, the injection mold front mold and injection mold back mold together form a mold molding cavity, after injecting plastic melt and cooling and shaping, a product is formed, in the process of injecting plastic melt, by arranging a buffer to change the flow rate of the plastic melt during the flow of the fluid, thereby reducing the phenomenon of the plastic melt producing stamping marks on the product, improving the quality and appearance of the product, and reducing the stamping marks, thereby further improving the product qualification rate.

[0004] However, the injection molds in the above-mentioned prior art generally do not have a structure for auxiliary demolding, which can easily damage the surface and corners of the finished product during the demolding process, thereby affecting the demolding quality; therefore, it does not meet the existing needs, and we have proposed an injection mold that is easy to demold. Utility Model Content

[0005] The purpose of the utility model is to provide an injection mold that is easy to demold, so as to solve the problem that the injection molds in the prior art mentioned in the above background technology generally do not have a structure to assist demolding, which can easily damage the surface and corners of the finished product during the demolding process, thereby affecting the demolding quality.

[0006] To achieve the above object, the utility model provides the following technical solution: an injection mold that is easy to demould, comprising a bottom plate, support frames are arranged on both sides of the upper surface of the bottom plate, a top plate is arranged on the top of the support frame, a cylinder is installed on the upper surface of the top plate, and a pneumatic telescopic rod is arranged on the lower surface of the top plate;

[0007] Also includes:

[0008] A mold, which is arranged between the bottom plate and the top plate, an upper mold base is arranged above the mold, and a lower mold base is arranged below the mold;

[0009] A first support plate is arranged on the top of the upper die base, and a second support plate is arranged on the bottom of the lower die base. Cooling fans are installed inside the first support plate and the second support plate.

[0010] Preferably, connecting sleeves are provided on both sides of the upper surface of the first support plate, and the connecting sleeves are plug-connected to the pneumatic telescopic rod.

[0011] Preferably, through holes are provided at the connection between the upper die base and the first support plate and at the connection between the lower die base and the second support plate.

[0012] Preferably, both side end surfaces of the upper die seat are provided with a first injection port.

[0013] Preferably, both side end surfaces of the lower die base are provided with second injection ports.

[0014] Preferably, the lower surface of the upper die base is provided with plug-in columns on all sides, and the upper surface of the lower die base is provided with plug-in interfaces on all sides.

[0015] Preferably, the plug-in column is plug-connected to the plug interface.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The utility model sets the mold between the bottom plate and the top plate, the upper mold base of the mold is connected to the pneumatic telescopic rod through a connecting sleeve, the lower mold base is plug-connected to the upper surface of the bottom plate, and then the cylinder drives the pneumatic telescopic rod to make the upper mold base and the lower mold base perform mold opening and mold closing operations. When the mold is closed and injected, the material is injected into the interior of the mold through the first injection port and the second injection port to increase the injection speed. After the injection is completed, the heat dissipation fan is used to accelerate the heat dissipation and molding. Then the pneumatic telescopic rod is lifted and drives the upper mold base to move up to realize the demolding of the mold, thereby ensuring the quality and efficiency of its demolding, and solving the problem that the injection mold in the prior art generally does not have a structure for auxiliary demolding, so that the surface and corners of the finished product are easily damaged during the demolding process, thereby affecting the demolding quality.

[0018] 2. By respectively arranging the plug-in column and the plug-in interface on the upper die base and the lower die base, and using the extension and retraction of the pneumatic telescopic rod when opening and closing the mold, the stability and accuracy of the mold closing can be guaranteed, thereby ensuring the quality of product molding. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of the injection mold of the utility model;

[0020] Figure 2 It is a schematic diagram of the local structure of the injection mold of the utility model;

[0021] Figure 3 It is an enlarged schematic diagram of a local upper mold base structure of an injection mold of the utility model;

[0022] Figure 4 It is an enlarged schematic diagram of a local lower mold base structure of the injection mold of the utility model;

[0023] In the figure: 1. bottom plate; 2. support frame; 3. top plate; 4. cylinder; 5. pneumatic telescopic rod; 6. mold; 7. upper mold base; 8. lower mold base; 9. first support plate; 10. connecting sleeve; 11. cooling fan; 12. first injection port; 13. plug-in column; 14. second support plate; 15. second injection port; 16. plug-in interface. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0025] See also Figure 1-4 The utility model provides an embodiment: an injection mold that is easy to demould, comprising a bottom plate 1, support frames 2 are arranged on both sides of the upper surface of the bottom plate 1, a top plate 3 is arranged on the top of the support frame 2, a cylinder 4 is installed on the upper surface of the top plate 3, and a pneumatic telescopic rod 5 is arranged on the lower surface of the top plate 3;

[0026] Also includes:

[0027] A mold 6 is arranged between the bottom plate 1 and the top plate 3, an upper mold base 7 is arranged above the mold 6, and a lower mold base 8 is arranged below the mold 6;

[0028] The first support plate 9 is arranged on the top of the upper mold base 7, and the second support plate 14 is arranged on the bottom of the lower mold base 8. The first support plate 9 and the second support plate 14 are both installed with cooling fans 11 inside. When in use, the mold 6 is arranged between the bottom plate 1 and the top plate 3, and the upper mold base 7 of the mold 6 is connected to the pneumatic telescopic rod 5 through the connecting sleeve 10, and the lower mold base 8 is plug-connected with the upper surface of the bottom plate 1. Then the cylinder 4 drives the pneumatic telescopic rod 5 to make the upper mold base 7 and the lower mold base 8 open and close the mold. When closing the mold and injecting, the first injection port 12 and the second injection port 15 are used to inject the material into the mold 6 to increase the injection speed. After the injection is completed, the cooling fan 11 is used to accelerate the heat dissipation and molding. Then the pneumatic telescopic rod 5 is lifted up to drive the upper mold base 7 to move upward to realize the demolding of the mold 6, thereby ensuring the quality and efficiency of its demolding. This solves the problem that the injection mold 6 in the prior art generally does not have an auxiliary demolding structure, which easily causes damage to the surface and corners of the finished product during the demolding process, thereby affecting the demolding quality. In addition, by respectively arranging the plug-in column 13 and the plug-in interface 16 on the upper mold base 7 and the lower mold base 8, and using the extension and retraction of the pneumatic telescopic rod 5 when opening and closing the mold, the stability and accuracy of the mold closing can be guaranteed, thereby ensuring the quality of product molding.

[0029] See also Figure 1-Figure 4 Connecting sleeves 10 are provided on both sides of the upper surface of the first supporting plate 9 , and the connecting sleeves 10 are plug-connected with the pneumatic telescopic rod 5 .

[0030] See also Figure 1-Figure 4 Through holes are provided at the connection between the upper die base 7 and the first support plate 9 and at the connection between the lower die base 8 and the second support plate 14.

[0031] See also Figure 1-Figure 4 , both side end faces of the upper mold base 7 are provided with a first injection port 12, by arranging the mold 6 between the bottom plate 1 and the top plate 3, the upper mold base 7 of the mold 6 is connected to the pneumatic telescopic rod 5 through the connecting sleeve 10, and the lower mold base 8 is plugged and connected to the upper surface of the bottom plate 1, and then the cylinder 4 drives the pneumatic telescopic rod 5 to make the upper mold base 7 and the lower mold base 8 perform mold opening and mold closing operations, and when the mold is closed and injected, the first injection port 12 and the second injection port 15 are injected into the interior of the mold 6 to increase the injection speed, and after the injection is completed, the heat dissipation fan 11 is used to accelerate its heat dissipation and molding, and then the pneumatic telescopic rod 5 is lifted to drive the upper mold base 7 to move up to realize the demoulding of the mold 6, thereby ensuring the quality and efficiency of its demoulding, and solving the problem that the injection mold 6 in the prior art generally does not have a structure for auxiliary demoulding, so that the surface and corners of the finished product are easily damaged during the demoulding process, thereby affecting the demoulding quality.

[0032] See also Figure 1-Figure 4 The end surfaces of both sides of the lower die base 8 are provided with second injection ports 15 .

[0033] See also Figure 1-Figure 4 , plug-in columns 13 are arranged around the lower surface of the upper mold base 7, and plug-in interfaces 16 are arranged around the upper surface of the lower mold base 8. By arranging the mold 6 between the bottom plate 1 and the top plate 3, the upper mold base 7 of the mold 6 is connected to the pneumatic telescopic rod 5 through the connecting sleeve 10, and the lower mold base 8 is plugged and connected to the upper surface of the bottom plate 1, and then the cylinder 4 drives the pneumatic telescopic rod 5 to make the upper mold base 7 and the lower mold base 8 perform mold opening and mold closing operations. When the mold is closed and injected, the first injection port 12 and the second injection port 15 are used to inject the material into the interior of the mold 6 to increase the injection speed. After the injection is completed, the heat dissipation fan 11 is used to accelerate the heat dissipation and molding. Then the pneumatic telescopic rod 5 is lifted and drives the upper mold base 7 to move up to realize the demolding of the mold 6, ensuring the quality and efficiency of its demolding, and solving the problem that the injection mold 6 in the prior art generally does not have a structure for auxiliary demolding, so that the surface and corners of the finished product are easily damaged during the demolding process, thereby affecting the demolding quality.

[0034] See also Figure 1-Figure 4 The plug-in column 13 is plugged into the plug-in interface 16. The plug-in column 13 and the plug-in interface 16 are respectively arranged on the upper mold base 7 and the lower mold base 8. At the same time, the pneumatic telescopic rod 5 is used to extend and retract when opening and closing the mold, which can ensure the stability and accuracy of the mold closing, thereby ensuring the quality of product molding.

[0035] Working principle: When in use, the mold 6 is set between the bottom plate 1 and the top plate 3, the upper mold base 7 of the mold 6 is connected to the pneumatic telescopic rod 5 through the connecting sleeve 10, and the lower mold base 8 is plugged and connected to the upper surface of the bottom plate 1. Then the cylinder 4 drives the pneumatic telescopic rod 5 to make the upper mold base 7 and the lower mold base 8 open and close the mold. When the mold is closed, the material is injected into the mold 6 through the first injection port 12 and the second injection port 15 to increase the injection speed. After the injection is completed, the heat dissipation fan 11 is used to accelerate the heat dissipation and molding, and then the pneumatic telescopic rod 5 rises. The upper mold base 7 is driven to move upward to realize the demoulding of the mold 6, thereby ensuring the quality and efficiency of its demoulding, and solving the problem that the injection mold 6 in the prior art generally does not have a structure for auxiliary demoulding, which easily causes damage to the surface and corners of the finished product during the demoulding process, thereby affecting the demoulding quality. In addition, by respectively arranging a plug-in column 13 and a plug-in interface 16 on the upper mold base 7 and the lower mold base 8, and utilizing the extension and retraction of the pneumatic telescopic rod 5 when opening and closing the mold, the stability and accuracy of the mold closing can be ensured, thereby ensuring the quality of product molding.

[0036] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. An injection mold that is easy to demould, comprising a bottom plate (1), support frames (2) are arranged on both sides of the upper surface of the bottom plate (1), a top plate (3) is arranged on the top of the support frame (2), a cylinder (4) is installed on the upper surface of the top plate (3), and a pneumatic telescopic rod (5) is arranged on the lower surface of the top plate (3); Features: Also includes: A mold (6) is arranged between the bottom plate (1) and the top plate (3), an upper mold base (7) is arranged above the mold (6), and a lower mold base (8) is arranged below the mold (6); A first support plate (9) is arranged on the top of the upper mold base (7), and a second support plate (14) is arranged on the bottom of the lower mold base (8). Cooling fans (11) are installed inside the first support plate (9) and the second support plate (14).

2. The easy-to-release injection mold according to claim 1, characterized in that: Connecting sleeves (10) are provided on both sides of the upper surface of the first supporting plate (9), and the connecting sleeves (10) are plug-connected to the pneumatic telescopic rod (5).

3. The easy-to-release injection mold according to claim 1, characterized in that: Through holes are provided at the connection between the upper die base (7) and the first support plate (9) and at the connection between the lower die base (8) and the second support plate (14).

4. The easy-to-release injection mold according to claim 1, characterized in that: Both side end surfaces of the upper die seat (7) are provided with first injection ports (12).

5. The easy-to-release injection mold according to claim 1, characterized in that: Second injection ports (15) are provided on both side end surfaces of the lower die base (8).

6. The easy-to-release injection mold according to claim 1, characterized in that: The lower surface of the upper die base (7) is provided with plug-in columns (13) on all sides, and the upper surface of the lower die base (8) is provided with plug-in interfaces (16) on all sides.

7. The easy-to-release injection mold according to claim 6, characterized in that: The plug-in column (13) is plug-connected with the plug-in interface (16).

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