Automobile structural part injection mold convenient to demold

Abstract

The utility model provides an automobile structural part injection mold convenient to demold, which relates to the technical field of injection molds, and comprises a main body mechanism, a demolding mechanism is arranged in the main body mechanism, the demolding mechanism comprises an inflator pump, the output end of the inflator pump is provided with a connecting pipe, and the connecting pipe is connected with the demolding mechanism. According to the air cushion type demolding device, the demolding mechanism can be better convenient to use, a product machined in the mold can be demolded, due to the fact that air cushion type demolding is adopted, demolding is gentle and not intense, it is guaranteed that molding of the product is not affected, and the demolding effect is good. According to the mold, the quality of a machined product is improved, the situation that in the prior art, a demolding nail is adopted for demolding, consequently, an injection molding product is damaged to a certain degree, and demolding marks of the demolding nail are left on the product is avoided, the demolding service life of the mold top plate can be better prolonged through the installed cleaning assembly, and then use of a user is better facilitated.

Description

Technical Field

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

[0002] Injection molds are generally processed by injection molding, which is also called injection molding. It is a molding method that combines injection and molding. The advantages of injection molding are fast production speed, high efficiency, automated operation, a wide variety of colors, shapes from simple to complex, sizes from large to small, and precise product size. The product is easy to update and can be made into complex-shaped parts. Injection molding is suitable for mass production and complex-shaped products and other molding processing fields.

[0003] However, in the prior art, existing injection molds generally use mechanical demoulding, which is one of the most common demoulding methods in injection molds. It mainly uses a demoulding rod installed in the mold and a mechanical driving rod of the injection molding machine to move the demoulding to push out the plastic product in the injection mold. However, this demoulding method will cause certain damage to the injection molded product; it will cause the demoulding marks of the demoulding pins to remain on the product, thereby reducing the product processing quality and making it difficult to better facilitate the use of users. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and provide an injection mold for automobile structural parts which is easy to demould.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an injection mold for automobile structural parts that is easy to demold, comprising: a main body mechanism, a demolding mechanism is arranged inside the main body mechanism, the demolding mechanism includes an air pump, a connecting pipe is arranged at the output end of the air pump, the output end of the air pump is fixedly connected to one end of the connecting pipe, a temperature-resistant air cushion is arranged at the end of the connecting pipe away from the air pump, the end of the connecting pipe away from the air pump is fixedly connected to one side of the temperature-resistant air cushion, a mold top plate is arranged at the top of the temperature-resistant air cushion, the top of the temperature-resistant air cushion is fixedly connected to the bottom end of the mold top plate, telescopic rods are arranged at the four corners of the bottom end of the mold top plate, the four corners of the bottom end of the mold top plate are connected to the inner bottom side of the lower mold through the telescopic rods, and cleaning components are arranged on the four sides of the outer side of the bottom end of the mold top plate.

[0006] As a preferred embodiment, the cleaning assembly includes an extruded cleaning strip, a scraper is provided on one side of the top of the extruded cleaning strip, one side of the top of the extruded cleaning strip is fixedly connected to one side of the scraper, a connecting plate is provided on one side of the extruded cleaning strip, and one side of the extruded cleaning strip is fixedly connected to one side of the connecting plate.

[0007] As a preferred embodiment, a rotating connector is provided at the top of the connecting plate, the top of the connecting plate is fixedly connected to the bottom of the rotating connector, and the connecting plate is rotatably connected to the outer side of the bottom end of the mold top plate through the rotating connector.

[0008] As a preferred embodiment, a spring connector is provided on the side of the connecting plate away from the extrusion cleaning strip, and one end of the spring connector away from the connecting plate is fixedly connected to the bottom end of the mold top plate, and the scraper and the extrusion cleaning strip are both in contact with the inner surface of the lower mold on one side away from the connecting plate.

[0009] As a preferred embodiment, the main body structure includes a lower mold, an upper mold is arranged on the top of the lower mold, and limiting slots are drilled at the four corners of the top of the lower mold.

[0010] As a preferred embodiment, the four corners of the bottom end of the upper mold are connected to the limiting grooves drilled on the lower mold through connecting columns.

[0011] As a preferred embodiment, a sealing frame is provided at the top of the lower mold, the top of the lower mold is fixedly connected to the bottom of the sealing frame, and the outer side of the sealing frame is clamped with a sealing groove drilled on the upper mold.

[0012] As a preferred embodiment, a spring connector is provided on the side of the connecting plate away from the extrusion cleaning strip, and the side of the connecting plate away from the extrusion cleaning strip is fixedly connected to one side of the spring connector.

[0013] Compared with the prior art, the advantages and positive effects of the utility model are:

[0014] The utility model can better facilitate the use of the demoulding mechanism to demould the product processed inside the mold. Since the air cushion demoulding is adopted, the demoulding is gentle and not strong, which ensures that the product molding is not affected, improves the quality of the processed products, avoids the situation in which the demoulding using demoulding pins in the past causes certain damage to the injection molded product, and causes the demoulding marks of the demoulding pins to remain on the product. In addition, the demoulding service life of the mold top plate can be better increased by the installed cleaning component, which is more convenient for users to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The utility model provides a structural schematic diagram of an injection mold for automobile structural parts that is easy to demould.

[0016] Figure 2 The utility model provides a schematic diagram of the unfolded structure of an injection mold for automobile structural parts that is easy to demould.

[0017] Figure 3The utility model provides a schematic diagram of the partial cross-sectional structure of an injection mold for an automobile structural part which is easy to demould.

[0018] Figure 4 The utility model provides an enlarged structural schematic diagram of a local cross-section of an injection mold for an automobile structural part that is easy to demould.

[0019] Figure 5 The utility model provides an enlarged structural schematic diagram of a cleaning component of an injection mold for an automobile structural part that is easy to demould.

[0020] Legend:

[0021] 1. Main body; 11. Lower mold; 12. Upper mold; 13. Sealing frame;

[0022] 2. Demolding mechanism; 21. Air pump; 22. Connecting pipe; 23. Heat-resistant air cushion; 24. Mold top plate; 25. Cleaning assembly; 26. Telescopic rod; 501. Extrusion cleaning strip; 502. Scraper; 503. Connecting plate; 504. Rotating connector; 505. Spring connector. 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 - Figure 5As shown, the utility model provides a technical solution: an injection mold for automobile structural parts that is easy to demold, comprising: a main body mechanism 1, a demolding mechanism 2 is arranged inside the main body mechanism 1, the demolding mechanism 2 includes an air pump 21, a connecting pipe 22 is arranged at the output end of the air pump 21, the output end of the air pump 21 is fixedly connected with one end of the connecting pipe 22, and a temperature-resistant air cushion 23 is arranged at one end of the connecting pipe 22 away from the air pump 21, and the interaction between the installed air pump 21 and the connecting pipe 22 can better facilitate the gas delivery. The heat-resistant air cushion 23 is pushed into the interior of the heat-resistant air cushion 23, thereby expanding the volume of the heat-resistant air cushion 23, so as to better facilitate the extrusion effect on the mold top plate 24. The end of the connecting pipe 22 away from the air pump 21 is fixedly connected to one side of the heat-resistant air cushion 23. The top of the heat-resistant air cushion 23 is provided with a mold top plate 24. The top of the heat-resistant air cushion 23 is fixedly connected to the bottom of the mold top plate 24. The four corners of the bottom of the mold top plate 24 are all provided with telescopic rods 26. The four corners of the bottom of the mold top plate 24 are connected to the inner bottom side of the lower mold 11 through the telescopic rods 26. The designed telescopic rod 26 can better facilitate the limiting effect of the mold top plate 24, ensuring that the mold top plate 24 can move vertically up and down. The four sides of the outer side of the bottom end of the mold top plate 24 are provided with cleaning components 25. The cleaning components 25 can better facilitate the cleaning of the materials in the gap between the lower mold 11 and the mold top plate 24, so as to better facilitate the demoulding movement of the mold top plate 24. The main body mechanism 1 includes a lower mold 11, and an upper mold 12 is provided on the top of the lower mold 11. The four corners of the top of the upper mold 12 are all provided with limited slots, and the four corners of the bottom of the upper mold 12 are connected with the limited slots opened on the lower mold 11 through connecting columns, so as to increase the connection effect between the lower mold 11 and the upper mold 12. The top of the lower mold 11 is provided with a sealing frame 13, the top of the lower mold 11 is fixedly connected with the bottom of the sealing frame 13, and the outer side of the sealing frame 13 is connected with the sealing slot opened on the upper mold 12, so that the installed sealing frame 13 can better facilitate the sealing effect of the inside of the device to avoid material extrusion.

[0026] Example 2

[0027] like Figure 1 - Figure 5As shown, the cleaning component 25 includes an extrusion cleaning bar 501, a scraper 502 is provided on one side of the top of the extrusion cleaning bar 501, and one side of the top of the extrusion cleaning bar 501 is fixedly connected to one side of the scraper 502, and a connecting plate 503 is provided on one side of the extrusion cleaning bar 501, and one side of the extrusion cleaning bar 501 is fixedly connected to one side of the connecting plate 503, and a rotating connecting member 504 is provided on the top of the connecting plate 503, and the top of the connecting plate 503 is fixedly connected to the bottom end of the rotating connecting member 504, and the connecting plate 503 is rotatably connected to the outer side of the bottom end of the mold top plate 24 through the rotating connecting member 504, and the installed rotating connecting member 504 is more convenient for the extrusion cleaning bar 501 and the scraper 502 to rotate, thereby better increasing the cleaning effect of the extrusion cleaning bar 501 and the scraper 502 to one side, and elastic The end of the spring connector 505 away from the connecting plate 503 is fixedly connected to the bottom end of the mold top plate 24, thereby increasing the connection effect between the cleaning component 25 and the mold top plate 24, and increasing the stability of the cleaning component 25. The side of the scraper 502 and the extrusion cleaning bar 501 away from the connecting plate 503 are in contact with the inner surface of the lower mold 11. The side of the connecting plate 503 away from the extrusion cleaning bar 501 is provided with a spring connector 505. The side of the connecting plate 503 away from the extrusion cleaning bar 501 is fixedly connected to one side of the spring connector 505, and the installed spring connector 505 can provide a certain elastic effect on the connecting plate 503, thereby increasing the thrust of the connecting plate 503 on the extrusion cleaning bar 501 and the scraper 502, thereby increasing the cleaning effect of the extrusion cleaning bar 501 and the scraper 502.

[0028] Working principle:

[0029] like Figure 1 - Figure 5As shown, the installed lower mold 11 and upper mold 12 can better facilitate the staff to perform injection molding, the sealing frame 13 installed on the lower mold 11 can better increase the sealing effect inside the device, the installed air pump 21 can inflate the connecting pipe 22, the installed connecting pipe 22 can better transport the gas to the inside of the heat-resistant air cushion 23, and then the heat-resistant air cushion 23 can achieve a volume expansion effect, the mold top plate 24 installed on the top of the heat-resistant air cushion 23 can better facilitate the user to perform material injection molding, the installed cleaning component 25 can better facilitate the cleaning effect of the material in the gap between the mold top plate 24 and the lower mold 11, thereby increasing the service life of the mold top plate 24 moving up and down, and the installed rotating connecting piece 504 can make the connecting The connecting plate 503 realizes a rotation effect, which makes it easier to squeeze the cleaning strip 501 and the scraper 502 to one side. The installed spring connector 505 can provide a certain elastic squeezing effect on the cleaning strip 501 and the scraper 502, thereby increasing the cleaning effect. The installed demolding mechanism 2 can be more convenient to use to demold the product processed inside the mold. Since the air cushion demolding is adopted, the demolding can be gentle and not strong, ensuring that the product shaping is not affected, improving the quality of the processed products, avoiding the previous use of demolding pins to demold the injection molded products, causing certain damage to the injection molded products, resulting in residual demolding marks of demolding pins on the products, and the installed cleaning component 25 can better increase the demolding service life of the mold top plate 24, thereby making it easier for users to use.

[0030] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. An injection mold for automobile structural parts that is easy to demould, characterized in that: include: A main body mechanism (1), wherein a demoulding mechanism (2) is arranged inside the main body mechanism (1), wherein the demoulding mechanism (2) comprises an air pump (21), wherein a connecting pipe (22) is arranged at the output end of the air pump (21), wherein the output end of the air pump (21) is fixedly connected to one end of the connecting pipe (22), wherein a heat-resistant air cushion (23) is arranged at one end of the connecting pipe (22) away from the air pump (21), and wherein the heat-resistant air cushion (23) is connected to the one end of the connecting pipe (22) away from the air pump (21). ), a mold top plate (24) is arranged at the top of the heat-resistant air cushion (23), the top of the heat-resistant air cushion (23) is fixedly connected to the bottom of the mold top plate (24), telescopic rods (26) are arranged at the four corners of the bottom of the mold top plate (24), the four corners of the bottom of the mold top plate (24) are connected to the inner bottom side of the lower mold (11) through the telescopic rods (26), and cleaning components (25) are arranged on the four sides of the outer side of the bottom of the mold top plate (24).

2. The easy-to-demold injection mold for automobile structural parts according to claim 1, characterized in that: The cleaning assembly (25) comprises an extrusion cleaning strip (501), a scraper (502) is provided on one side of the top end of the extrusion cleaning strip (501), one side of the top end of the extrusion cleaning strip (501) is fixedly connected to one side of the scraper (502), a connecting plate (503) is provided on one side of the extrusion cleaning strip (501), and one side of the extrusion cleaning strip (501) is fixedly connected to one side of the connecting plate (503).

3. The easy-to-demold injection mold for automobile structural parts according to claim 2, characterized in that: The top end of the connecting plate (503) is provided with a rotating connecting piece (504), the top end of the connecting plate (503) is fixedly connected to the bottom end of the rotating connecting piece (504), and the connecting plate (503) is rotatably connected to the outer side of the bottom end of the mold top plate (24) through the rotating connecting piece (504).

4. The easy-to-demold injection mold for automobile structural parts according to claim 3, characterized in that: A spring connector (505) is provided on the side of the connecting plate (503) away from the extrusion cleaning strip (501); one end of the spring connector (505) away from the connecting plate (503) is fixedly connected to the bottom end of the mold top plate (24); and the scraper (502) and the side of the extrusion cleaning strip (501) away from the connecting plate (503) are in contact with the inner surface of the lower mold (11).

5. The easy-to-demold injection mold for automobile structural parts according to claim 1, characterized in that: The main body structure (1) comprises a lower die (11), an upper die (12) is arranged at the top of the lower die (11), and limiting slots are cut at the four corners of the top of the lower die (11).

6. The easy-to-demold injection mold for automobile structural parts according to claim 5, characterized in that: The four corners at the bottom of the upper mold (12) are connected to the limiting grooves cut on the lower mold (11) through connecting columns.

7. The easy-to-demold injection mold for automobile structural parts according to claim 5, characterized in that: A sealing frame (13) is provided at the top of the lower mold (11), the top of the lower mold (11) is fixedly connected to the bottom of the sealing frame (13), and the outer side of the sealing frame (13) is clamped with a sealing groove cut on the upper mold (12).

8. The easy-to-demold injection mold for automobile structural parts according to claim 2, characterized in that: A spring connector (505) is provided on the side of the connecting plate (503) away from the extrusion cleaning strip (501), and the side of the connecting plate (503) away from the extrusion cleaning strip (501) is fixedly connected to one side of the spring connector (505).

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