Molding device for automobile part machining

Abstract

The utility model relates to the technical field of automobile parts, in particular to a molding device for automobile part machining, which comprises a base, a supporting plate is arranged at the top of the base, a lower mold is fixedly mounted at the top of the base, a push-out groove is formed in the bottom of the lower mold, a push plate is arranged in the push-out groove, and a push rod is arranged in the push plate. The push plate is matched with an inner cavity of the lower die, an upper die is arranged at the bottom of the supporting plate, and sliding blocks are fixedly installed on the two sides of the upper die. According to the scheme, by arranging the first air pump and the multiple air blowing pipes, air can be blown into the push-out groove, the air pressure in the lower mold can be increased, the design of the push plate can be effectively matched with the air blowing function, the push plate is helped to push a formed part to be demolded upwards more smoothly, and the demolding process is accelerated; and the air bag is protected, meanwhile, friction and abrasion are reduced, and the service life of the mold is prolonged.

Description

Technical Field

[0001] This application relates to the technical field of automotive parts, and in particular to a molding apparatus for processing automotive parts. Background Technology

[0002] Molding devices used in automotive parts processing mainly include the following categories: injection molds, compression molds, transfer molds, extrusion molds, blow molds, vacuum forming molds, and low-foaming plastic molds. Injection molds are the most commonly used. Injection molds, also known as injection molds or molding dies, are specialized tools used in plastic injection molding processes. The definition of an injection mold can be summarized as: a mold into which molten plastic is injected, and after cooling and solidification, a plastic product of the desired shape is obtained.

[0003] A utility model patent with Chinese patent authorization announcement number CN215283223U discloses an injection mold for processing plastic parts for automotive interiors. The mold includes a base, an upper mold base, and a lower mold base. Side plates are fixedly installed at both ends of the top of the base, and the top ends of the two side plates are fixedly connected to both ends of the bottom of a top plate. Cylinders are fixedly installed on both sides of the top of the top plate, and the bottom ends of the two cylinders pass through the top plate and are fixedly connected to both sides of the top of the upper mold base. A water storage frame is fixedly installed in the middle of the top of the base, and a lower mold base is fixedly installed inside the water storage frame. Springs are fixedly installed on both sides of the bottom of the inner wall of the lower mold base. A cold water tank is fixedly installed in the middle of the bottom of the base, and a semiconductor cooling chip is fixedly installed on one side of the inner wall of the cold water tank. This utility model, an injection mold for processing plastic parts for automotive interiors, accelerates the cooling and molding of plastic by transporting cold water from the cold water tank to the water storage frame. The molded plastic is then springed up by the springs for easy removal.

[0004] The following problems also exist in this solution: The device uses a spring to lift the movable plate to push the molded plastic workpiece out of the lower mold. However, the spring force will fail after a long time, resulting in reduced demolding efficiency and inability to demold quickly. At the same time, there is no protection when the upper mold moves to the top, which makes the upper mold prone to increased friction, causing wear and reducing the service life of the mold.

[0005] Therefore, in order to solve the above problems, this application provides a molding apparatus for processing automotive parts. Utility Model Content

[0006] To address the problem of reduced demolding efficiency after spring failure, this application provides a molding device for processing automotive parts.

[0007] The application provides a molding device for automobile part processing, which comprises a base, a supporting plate is arranged at the top of the base, a lower mold is fixedly installed at the top of the base, a push-out groove is arranged at the bottom of the lower mold, a push plate is arranged in the push-out groove, the push plate is matched with the inner cavity of the lower mold, an upper mold is arranged at the bottom of the supporting plate, sliding blocks are fixedly installed at the two sides of the upper mold, a placing groove is formed through the middle of the base, two air pumps one are fixedly installed at the bottom of the placing groove, the two air pumps one are communicated with the push-out groove through a plurality of air blowing pipes, and driving mechanisms are arranged at the two sides of the supporting plate and the base.

[0008] Preferably, supporting columns are fixedly installed at the four sides of the supporting plate and the lower mold, the supporting columns are penetrated through the two sides of the sliding blocks, and the supporting columns are slidingly matched with the sliding blocks.

[0009] Preferably, an air bag is fixedly installed at the bottom of the supporting plate, a through hole is arranged at the middle of the air bag, a plurality of air valves are arranged at the two sides of the air bag, a second air pump is fixedly installed at the top of the supporting plate, and the second air pump is communicated with two air valves through two air charging pipes.

[0010] Preferably, an injection port is arranged at the top of the upper mold and is matched with the through hole at the middle of the air bag.

[0011] Preferably, the driving mechanism comprises a screw rod, a limiting rod and a motor, the screw rod is rotatably installed at one side of the base and the supporting plate, the limiting rod is fixedly installed at the other side of the base and the supporting plate, the screw rod is penetrated through one of the sliding blocks, the screw rod is threadedly connected with the sliding block, the limiting rod is penetrated through the other sliding block, the limiting rod is slidingly matched with the other sliding block, the motor is fixedly installed at one side of the top of the supporting plate, and the output end of the motor is fixedly connected with the top end of the screw rod through a bolt.

[0012] In summary, the application has the following beneficial technical effects: the air pump one and the plurality of air blowing pipes can blow air into the push-out groove, the air pressure in the lower mold is increased, the design of the push plate can effectively cooperate with the air blowing function, the push plate can help the push plate to more smoothly push the formed piece upward to demold, the demolding process is accelerated, the air bag and the second air pump can play a good buffering role when the upper mold moves to the top, the air bag is protected, friction and wear are reduced, and the service life of the mold is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a perspective view of the embodiment of the application;

[0014] Figure 2 It is a perspective view of another view of the embodiment of the application;

[0015] Figure 3is a perspective view of the lower die in the embodiment of the present application;

[0016] Figure 4 is a perspective view of the upper die in the embodiment of the present application.

[0017] Reference signs: 1, base; 2, lower die; 3, upper die; 4, injection port; 5, air bag; 6, support plate; 7, motor; 8, screw; 9, support column; 10, sliding block; 11, limiting rod; 12, air pump I; 13, air blowing pipe; 14, push plate; 15, air pump II; 16, inflation pipe; 17, air valve. DETAILED DESCRIPTION

[0018] The following will be described in detail in combination with the accompanying Figure 1 - Figure 4 The present application is further described in detail.

[0019] Embodiment:

[0020] A plastic forming device for automobile part processing, referring to Figure 1 - Figure 4 , comprising a base 1, the top of the base 1 is provided with a support plate 6, the top of the base 1 is fixedly installed with a lower die 2, the bottom of the lower die 2 is provided with a push-out groove, the push-out groove is provided with a push plate 14, the push plate 14 is matched with the inner cavity of the lower die 2, the bottom of the support plate 6 is provided with an upper die 3, the two sides of the upper die 3 are fixedly installed with sliding blocks 10, the middle part of the base 1 is throughly provided with a placing groove, the bottom of the placing groove is fixedly installed with two air pumps I 12, the two air pumps I 12 are all communicated with the push-out groove through a plurality of air blowing pipes 13, the two sides of the support plate 6 and the base 1 are provided with driving mechanisms; by setting the air pump I 12 and the plurality of air blowing pipes 13, air can be blown into the push-out groove, the air pressure inside the lower die 2 mold is increased, the design of the push plate 14 can effectively cooperate with the air blowing function, helping the push plate 14 to more smoothly push the formed piece upward to demold, accelerating the demolding process, by setting the air bag 5 and the air pump II 15, when the upper die 3 moves to the top, a good buffering effect can be achieved, the air bag 5 is protected, the friction and wear are reduced, and the service life of the mold is prolonged.

[0021] Referring to Figure 1 - Figure 2 , the four sides of the support plate 6 and the lower die 2 are fixedly installed with support columns 9, the plurality of support columns 9 all penetrate through the two sides of the sliding block 10, the support column 9 and the sliding block 10 are slidingly matched, and the support plate 6 can be supported.

[0022] Referring to Figure 1 and Figure 4The bottom of the support plate 6 is fixedly provided with the air bag 5, the middle part of the air bag 5 is provided with a through hole, the two sides of the air bag 5 are provided with a plurality of air valves 17, the top of the support plate 6 is fixedly provided with the air pump two 15, the air pump two 15 is communicated with two air valves 17 through two inflation pipes 16, and the top of the upper die 3 can be protected.

[0023] With reference to Figure 1 and Figure 4 The top of the upper die 3 is communicated with the injection port 4, the injection port 4 is matched with the through hole in the middle part of the air bag 5, and the molten plastic slurry can be injected into the upper die 3 and the lower die 2.

[0024] With reference to Figure 1 - Figure 4 The driving mechanism comprises a screw rod 8, a limiting rod 11 and a motor 7, the screw rod 8 is rotatably installed on one side of the support plate 6, the limiting rod 11 is fixedly installed on the other side of the support plate 6, the screw rod 8 penetrates one of the sliding blocks 10, the screw rod 8 is threadedly connected with the sliding block 10, the limiting rod 11 penetrates the other sliding block 10, the limiting rod 11 is slidably connected with the sliding block 10, the motor 7 is fixedly installed on one side of the top of the support plate 6, the output end of the motor 7 is fixedly connected with the top end of the screw rod 8 through a bolt, the motor 7 is electrically connected with an external power supply through an external switch, the model of the motor 7 is HBS57, the thread between the screw rod 8 and the sliding block 10 can realize self-locking, the self-locking condition of the thread depends on the spiral angle, the friction coefficient and the load. The self-locking condition of the thread can be calculated by the following formula: self-locking condition = friction coefficient x tan(spiral angle) >= 1. When this condition is met, the threaded connection is self-locking. The above contents are all prior art, and in actual application, the corresponding self-locking angle can be set according to the friction coefficient of the material, which will not be described here. The screw rod 8 can be driven to rotate, so that the two sliding blocks 10 drive the upper die 3 to move up and down.

[0025] Working principle: in use, first connect the power supply, in the mold 3 and the lower die 2 in the mold closed state through the injection port 4 to the upper die 3 and the lower die 2 into the molten plastic slurry, after cooling, through the switch to start the motor 7, the motor 7 drives the screw 8 rotation, the screw 8 drives one of the slider 10 to move up, one of the slider 10 drives the upper die 3 to move up, the upper die 3 drives the other slider 10 to slide on the limit rod 11, at the same time, the four sides of the support column 9 guide the two sliders 10, then start two air pump 12, two air pump 12 through a plurality of blowing pipe 13 to the push out groove blowing, increase the air pressure inside the lower die 2 mold, the design of the push plate 14 can effectively cooperate with the blowing function, help the push plate 14 more smoothly push the forming piece upward demolding, at the same time, can start the air pump 15, through two inflation pipe 16 to two air valve 17 inside inflation, so that the air bag 5 inflation, so that the upper die 3 moves up, the top can be removed to the bottom of the air bag 5, so as to protect the upper die 3.

[0026] The above describes a kind of for the exemplary implementation of the molding device for the automobile parts processing provided by the present disclosure with reference to preferred embodiment, however, those skilled in the art can understand that, without departing from the concept of the present disclosure, a variety of variations and modifications can be made to the above specific embodiments, and various technical features, structures proposed in the present disclosure can be combined, without exceeding the protection scope of the present disclosure, the protection scope of the present disclosure is determined by the appended claims.

Claims

1. A molding device for processing automobile parts, comprising a base (1), characterized in that: The top of the base (1) is provided with a support plate (6), the top of the base (1) is fixedly installed with a lower mold (2), the bottom of the lower mold (2) is provided with a push-out groove, the push-out groove is provided with a push plate (14), the push plate (14) is matched with the inner cavity of the lower mold (2), the bottom of the support plate (6) is provided with an upper mold (3), both sides of the upper mold (3) are fixedly installed with a sliding block (10), the middle of the base (1) is throughly provided with a placing groove, the bottom of the placing groove is fixedly installed with two air pumps (12), the two air pumps (12) are communicated with the push-out groove through a plurality of air blowing pipes (13), and the two sides of the support plate (6) and the base (1) are provided with a driving mechanism.

2. A molding device for processing automobile parts as claimed in claim 1, wherein: The four sides of the support plate (6) and the lower mold (2) are fixedly installed with support columns (9), and the plurality of support columns (9) penetrate through both sides of the sliding block (10).

3. A molding device for processing automobile parts as claimed in claim 1, wherein: The bottom of the support plate (6) is fixedly installed with an air bag (5), the middle of the air bag (5) is provided with a through hole, the two sides of the air bag (5) are provided with a plurality of air valves (17), and the top of the support plate (6) is fixedly installed with an air pump (15), the air pump (15) is communicated with two air valves (17) through two inflation pipes (16).

4. A molding device for processing automobile parts as claimed in claim 3, wherein: The top of the upper mold (3) is communicated with an injection port (4), and the injection port (4) is matched with the through hole in the middle of the air bag (5).

5. A molding device for processing automobile parts as claimed in claim 1, wherein: The driving mechanism comprises a screw rod (8), a limiting rod (11) and a motor (7), one side of the base (1) and the support plate (6) is rotatably installed with the screw rod (8), the other side of the base (1) and the support plate (6) is fixedly installed with the limiting rod (11), the screw rod (8) penetrates through one of the sliding blocks (10), the screw rod (8) is threadedly connected with one of the sliding blocks (10), the limiting rod (11) penetrates through the other sliding block (10), and the limiting rod (11) is slidably connected with the other sliding block (10).

Images