Plastic forming mold capable of improving exhaust

Abstract

The utility model relates to the technical field of shooting instruments, and discloses an improved exhaust plastic forming mold which comprises a lower mold assembly, the lower mold assembly comprises a lower mold base, a supporting plate is fixedly installed at the top of the lower mold base, and a mounting plate is fixedly installed at the top of the supporting plate. And a lower mold body is fixedly mounted at the top of the mounting plate. Coolant is guided into the circulating cooling pipe through the inlet, heat exchange can be carried out on heat generated during injection molding of the lower mold body through the heat conducting plate, and meanwhile the same effect as an exhaust pipe can be achieved through the exhaust holes in the lower mold body; the heat of the lower mold body and the upper mold body can be guided during injection molding, and the cooling assembly is matched for use, so that plastic subjected to injection molding in the lower mold body and the upper mold body is subjected to primary cooling treatment, and the defects such as deformation caused by non-uniform cooling of plastic products can be reduced; therefore, the overall quality of the plastic product is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to photographic instrument technical field especially, relates to a kind of plastic forming mould of improved exhaust. BACKGROUND

[0002] With the continuous development of modern industrial manufacturing technology, especially the trend of plastic products being widely used in various industries, when various plastic products are injection molded, this improved exhaust plastic forming mold will be used;

[0003] But there are still many defects in the actual use of forming mold, such as: the existing forming mold may have the problem of poor exhaust during injection molding, and the heat accumulation in the existing forming mold during injection molding may cause the mold temperature to be too high, affecting the forming quality of plastic products, so an improved exhaust plastic forming mold needs to be designed. UTILITY MODEL CONTENT

[0004] To solve the above technical problems, the utility model provides an improved exhaust plastic forming mold.

[0005] The utility model adopts the following technical scheme: an improved exhaust plastic forming mold, comprising a lower mold assembly, the lower mold assembly comprises a lower mold base, a support plate is fixedly installed on the top of the lower mold base, an installation plate is fixedly installed on the top of the support plate, a lower mold body is fixedly installed on the top of the installation plate, an exhaust hole is formed in the inside of the lower mold body, and the improved exhaust plastic forming mold further comprises:

[0006] A cooling assembly, the cooling assembly comprises a circulating tank, and an inlet is formed at the bottom of the circulating tank.

[0007] As a further improvement of the above scheme, a circulating cooling pipe is fixedly installed on the top of the inlet, and a water outlet pipe is formed in the inside of the water outlet pipe away from the inlet.

[0008] Through the above technical scheme, during the plastic forming process, the coolant can circulate and flow through this system. The circulating cooling pipe can bring the coolant to the part that needs to be cooled, and after absorbing heat, it flows out through the water outlet pipe, realizing effective heat transfer, thereby helping to cool the mold and the plastic after injection molding, improving the quality of plastic products, and avoiding problems such as plastic deformation caused by overheating.

[0009] As a further improvement of the above scheme, the inside of the installation plate is screw-connected with a mounting bolt, the bottom of the mounting bolt is screw-connected with a heat-conducting plate, and the heat-conducting plate is arranged on the top of the circulating tank.

[0010] Through the technical scheme, in the injection molding process, the heat conduction plate can effectively conduct the heat of the lower mold body out, cooperates with the cooling assembly, and realizes heat exchange.

[0011] As a further improvement of the above scheme, the top of the lower mold body is provided with an upper mold assembly, the upper mold assembly comprises an upper mold base, and the inside of the upper mold base is fixedly installed with an injection pipe.

[0012] Through the technical scheme, the existence of the injection pipe ensures that the melted plastic particles can be accurately input into the cavity between the lower mold body and the upper mold body.

[0013] As a further improvement of the above scheme, the outer surface of the upper mold base is provided with an exhaust pipe, and the bottom of the upper mold base is threadedly connected with a connecting plate.

[0014] Through the technical scheme, the exhaust pipe can effectively exhaust the gas in the upper mold, which helps to avoid defects such as bubbles caused by gas accumulation during injection molding, and improves the quality of plastic products.

[0015] As a further improvement of the above scheme, the inside of the connecting plate is slidably installed with an upper mold limiting block, and the inside of the upper mold limiting block is slidably installed with an upper mold mounting block.

[0016] Through the technical scheme, the sliding installation structure design makes the installation of the upper mold body more flexible, on the one hand, the position of the upper mold body can be conveniently adjusted during installation, and accurate matching with the lower mold body is ensured.

[0017] As a further improvement of the above scheme, the inside of the upper mold mounting block is fixedly installed with an upper mold body, and the upper mold body is matched with the lower mold body.

[0018] Through the technical scheme, it can be ensured that during the injection molding process, the plastic can uniformly fill the cavity, form a plastic product with accurate shape and size, avoid defects such as plastic overflow and material shortage caused by mismatching of the mold cavity, and improve the quality of injection molding and the qualification rate of products.

[0019] Compared with the prior art, the beneficial effects of the utility model lie in:

[0020] The utility model discloses a fixed installation connecting plate on the upper mould base bottom, and the upper mould limiting block is slid into the inside installation of connecting plate, after fixing and installing the upper mould installation block on the upper mould body surface, the subsequent dismounting maintenance of the upper mould body can be conveniently used to the user, through the exhaust pipe set up on the upper mould base outer surface, can ensure that the heat of upper mould body can dredge hot gas when injection molding, can effectively avoid that the upper and lower moulds cause temperature to be too high because of heat accumulation in the injection process, thereby keep the stable temperature of mould, be favorable to improving the quality of injection molding.

[0021] The utility model discloses a fixed installation connecting plate on the upper mould base bottom, and the upper mould limiting block is slid into the inside installation of connecting plate, after fixing and installing the upper mould installation block on the upper mould body surface, the subsequent dismounting maintenance of the upper mould body can be conveniently used to the user, through the exhaust pipe set up on the upper mould base outer surface, can ensure that the heat of upper mould body can dredge hot gas when injection molding, can effectively avoid that the upper and lower moulds cause temperature to be too high because of heat accumulation in the injection process, thereby keep the stable temperature of mould, be favorable to improving the quality of injection molding. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is whole structure schematic diagram of the utility model;

[0023] Figure 2 It is whole split structure schematic diagram of the utility model;

[0024] Figure 3 It is split structure schematic diagram of the upper mould installation block of the utility model;

[0025] Figure 4 It is heat conduction plate structure schematic diagram of the utility model;

[0026] Figure 5 It is cooling assembly structure schematic diagram of the utility model.

[0027] MAIN SYMBOL EXPLANATION:

[0028] 1, lower mould assembly;101, lower mould base;102, support plate;103, installation plate;104, lower mould body;105, exhaust hole;2, cooling assembly;201, circulating box;202, inlet;203, circulating cooling pipe;204, water outlet pipe;205, mounting bolt;206, heat conduction plate;3, upper mould assembly;301, upper mould base;302, exhaust pipe;303, injection pipe;304, connecting plate;305, upper mould limiting block;306, upper mould installation block;307, upper mould body. DETAILED DESCRIPTION

[0029] Hereinafter, the utility model is further described in combination with the drawings and specific embodiments, and it should be explained that, under the premise of not conflicting, the following described embodiments or technical features between each other can be combined to form new embodiments.

[0030] Embodiments:

[0031] Please combine Figures 1-5 The improved plastic forming mold of the embodiment of the application for improving exhaust, comprising a lower mold assembly 1, the lower mold assembly 1 includes a lower mold base 101, the top of the lower mold base 101 is fixedly installed with a support plate 102, the top of the support plate 102 is fixedly installed with a mounting plate 103, the top of the mounting plate 103 is fixedly installed with a lower mold body 104, the inside of the lower mold body 104 is provided with an exhaust hole 105, and the lower mold body 104 further comprises:

[0032] Cooling assembly 2, cooling assembly 2 includes circulation tank 201, the bottom of the circulation tank 201 is provided with inlet 202.

[0033] As a further improvement of the above scheme, the top of the inlet 202 is fixedly installed with a circulating cooling pipe 203, and the inside of the water outlet pipe 204 is provided with a water outlet pipe 204 away from the inlet 202.

[0034] The inside of the mounting plate 103 is screw-connected with a mounting bolt 205, the bottom of the mounting bolt 205 is screw-connected with a heat-conducting plate 206, and the heat-conducting plate 206 is arranged on the top of the circulation tank 201.

[0035] The coolant in the circulating cooling pipe 203 is guided through the inlet 202, and is returned to the inside of the circulation tank 201 through the water outlet pipe 204, so that the coolant is recycled, and the heat-conducting plate 206 is screw-connected to the bottom of the mounting plate 103 through the mounting bolt 205, so that the heat-conducting plate 206 is tightly attached to the lower mold body 104, and heat exchange treatment is ensured.

[0036] The top of the lower mold body 104 is provided with an upper mold assembly 3, and the upper mold assembly 3 includes an upper mold base 301.

[0037] Through the injection pipe 303 in the upper mold assembly 3, the melted plastic particles can be input to the lower mold body 104 and the upper mold body 307.

[0038] The outer surface of the upper mold base 301 is provided with an exhaust pipe 302, and the bottom of the upper mold base 301 is screw-connected with a connecting plate 304.

[0039] The upper mold limiting block 305 is slidably installed in the inside of the connecting plate 304, and the upper mold mounting block 306 is fixedly installed in the inside of the upper mold limiting block 305.

[0040] The upper mold body 307 is fixedly installed in the inside of the upper mold mounting block 306, and is matched with the lower mold body 104.

[0041] After the connecting plate 304 is fixedly installed at the bottom of the upper mold base 301, the upper mold limiting block 305 is slidably installed in the inside of the connecting plate 304, and the upper mold mounting block 306 is fixedly installed on the surface of the upper mold body 307, then the upper mold body 307 is installed in the inside of the connecting plate 304.

[0042] In the embodiment of the application, the improved plastic forming mold for exhaust is implemented as follows: after the connecting plate 304 is fixedly installed at the bottom of the upper mold base 301, the upper mold limiting block 305 is slidably installed in the inside of the connecting plate 304, and the upper mold mounting block 306 is fixedly installed on the surface of the upper mold body 307, then the upper mold body 307 is installed in the inside of the connecting plate 304, so that the user can conveniently disassemble and maintain the upper mold body 307, the exhaust pipe 302 arranged on the outer surface of the upper mold base 301 can ensure that the heat generated during the injection molding of the upper mold body 307 can be dissipated, so that the temperature of the mold can be kept stable, the quality of the injection molding can be improved, and the molten plastic particles can be input into the lower mold body 104 and the upper mold body 307 through the injection pipe 303 in the upper mold assembly 3.

[0043] The coolant is poured into the circulating cooling pipe 203 through the inlet 202, the heat generated during the injection molding of the lower mold body 104 can be exchanged through the heat-conducting plate 206, and the same effect as the exhaust pipe 302 can be achieved by using the exhaust hole 105 in the lower mold body 104, so that the heat generated during the injection molding of the lower mold body 104 and the upper mold body 307 can be dissipated, and the use of the cooling assembly 2 can ensure that the plastic molded in the lower mold body 104 and the upper mold body 307 can be preliminarily cooled, so that the defects of the plastic product caused by uneven cooling, such as deformation and cracking, can be reduced, and the overall quality of the plastic product can be improved.

[0044] The lower mold base 101 and the supporting plate 102 arranged in the lower mold assembly 1 can support the mounting plate 103, and since the top of the mounting plate 103 is provided with the lower mold body 104, the circulation tank 201 can be installed at the same time when the lower mold body 104 is installed; the coolant in the circulating cooling pipe 203 is guided through the inlet 202 and returns to the inside of the circulation tank 201 through the outlet pipe 204, so that the coolant is recycled; and the heat-conducting plate 206 is screwed on the bottom of the mounting plate 103 through the mounting bolt 205; since the top of the mounting plate 103 is provided with the lower mold body 104, the heat-conducting plate 206 can be tightly attached to the lower mold body 104, so that heat exchange treatment can be ensured.

[0045] The above embodiment is only a preferred embodiment of the present application, and cannot be used to limit the scope of protection of the present application. Any non-substantial changes and replacements made by those skilled in the art on the basis of the present application shall fall within the scope of protection of the present application.

Claims

1. An improved venting plastic molding die, comprising a lower die assembly (1), the lower die assembly (1) comprising a lower die base (101), a support plate (102) fixedly mounted on the top of the lower die base (101), an mounting plate (103) fixedly mounted on the top of the support plate (102), a lower die body (104) fixedly mounted on the top of the mounting plate (103), and an venting hole (105) provided inside the lower die body (104), characterized in that, Also includes: Cooling assembly (2), the cooling assembly (2) includes a circulation tank (201) with an inlet (202) at the bottom of the circulation tank (201).

2. The improved venting plastic molding die as described in claim 1, characterized in that: A circulating cooling pipe (203) is fixedly installed on the top of the inlet (202), and an outlet pipe (204) is provided inside the outlet pipe (204) on the side of the circulating cooling pipe (203) away from the inlet (202).

3. The improved venting plastic molding die as described in claim 1, characterized in that: The mounting plate (103) is internally threaded with mounting bolts (205), and a heat-conducting plate (206) is threaded onto the bottom of the mounting bolts (205). The heat-conducting plate (206) is located on the top of the circulation box (201).

4. The improved venting plastic molding die as described in claim 1, characterized in that: The upper mold assembly (3) is provided on the top of the lower mold body (104). The upper mold assembly (3) includes an upper mold base (301), and an injection tube (303) is fixedly installed inside the upper mold base (301).

5. The improved venting plastic molding die as described in claim 4, characterized in that: An exhaust pipe (302) is provided on the outer surface of the upper mold base (301), and a connecting plate (304) is threadedly connected to the bottom of the upper mold base (301).

6. The improved venting plastic molding die as described in claim 5, characterized in that: An upper mold limiting block (305) is slidably installed inside the connecting plate (304), and an upper mold mounting block (306) is slidably installed inside the upper mold limiting block (305).

7. The improved venting plastic molding die as described in claim 6, characterized in that: The upper mold mounting block (306) has an upper mold body (307) fixedly installed inside it, and the upper mold body (307) matches the lower mold body (104).

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