Low-pressure injection mold for producing auxiliary instrument panel of automobile

By designing cooling pipes and cooling plates in low-pressure injection molds for production of automobile sub-dash panels, the problem of long injection molding cooling time of the decorative panels in the middle of the sub-dash panel is solved, and rapid cooling and efficient production are achieved.

CN222571454UActive Publication Date: 2025-03-07CHANGSHU CHANGCHUN AUTOMOTIVE PARTS CO LTD
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Patent Information

Application Number
CN202420642313.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-01
Publication Date
2025-03-07
Estimated Expiration
2034-04-01

AI Technical Summary

Technical Problem

In the prior art, the middle decorative panel of the secondary instrument panel requires a long cooling time during injection molding, resulting in low production efficiency.

Method used

A low-pressure injection mold for the production of automotive sub-dash panels was designed, including the top module and the bottom module. The external water source was connected through the cooling pipeline, and the cooling plate cooled the bottom trough, which increased the heat exchange speed and achieved rapid cooling.

Benefits of technology

Through rapid cooling, the cooling time during the injection molding process is shortened, the production efficiency is improved, and the high-quality molding of the product is ensured.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of injection molds, and provides a low-pressure injection mold for producing an auxiliary instrument panel of an automobile, which comprises a top mold part and a bottom mold part, the top mold part comprises a top cover and a top mold, a liquid inlet channel is formed in the top of the top cover, a main liquid pipe is arranged at the top of the top mold, secondary liquid pipes are symmetrically arranged on the two sides of the main liquid pipe, and flow dividing pipes are evenly arranged on the periphery of the top of the top mold; the bottom mold piece comprises a bottom mold and a bottom cover, an automobile auxiliary instrument panel is arranged in a bottom groove, top grooves are symmetrically formed in the bottom of the top mold, injection molding heads are further arranged in the top grooves, clamping pieces are further evenly arranged on one side of the bottom groove, cooling pieces are arranged on one sides of the clamping pieces, a groove is formed in the top of the bottom cover, and a cushion pad is arranged in the groove; the cooling pipeline is communicated with an external water source, the external water source enters the cooling plate block along the cooling pipeline, the cooling plate block cools the bottom groove, and the cooling effect is achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, and more specifically, to a low-pressure injection mold for producing an automobile auxiliary instrument panel. Background Art

[0002] The dashboard is an assembly in the cab where various indicating instruments and ignition switches are installed; it is installed on the instrument panel or as an accessory on the steering column; the front part of the dashboard is called the center console, also called the main dashboard, and the middle part is called the middle channel or auxiliary dashboard; the central decorative panel of the auxiliary dashboard is a plastic part, and the entire structure is hard glue injection molding. In order to ensure that the central decorative panel of the auxiliary dashboard has both strength and shock absorption, it is necessary to inject soft glue on the hard glue of the central decorative panel of the auxiliary dashboard.

[0003] In the prior art, when the central decorative panel of the auxiliary instrument panel is injection molded, hard glue is firstly injected, and after the hard glue is formed, the hard glue product is removed, and then soft glue is injected on the hard glue product. Since the soft glue has a large viscosity, it needs to be completely cooled before it can be ejected, which results in a long cooling time for the decorative panel during injection molding. Therefore, a low-pressure injection mold for the production of an automobile auxiliary instrument panel is proposed to improve the existing problems. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model aims to provide a low-pressure injection mold for producing an automobile auxiliary instrument panel.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a low-pressure injection mold for producing a car auxiliary instrument panel, comprising a top mold and a bottom mold; the top mold comprises a top cover and a top mold, the bottom of the top cover can be connected to the top of the top mold, a liquid inlet channel is provided on the top of the top cover, a main liquid pipe is provided on the top of the top mold, and the end of the liquid inlet channel away from the top cover can be connected to the end of the main liquid pipe away from the top mold; secondary liquid pipes are symmetrically arranged on both sides of the main liquid pipe, and the secondary liquid pipes can be connected to the main liquid pipe, and shunt pipes are evenly arranged around the top of the top mold, and the shunt pipes are It can be connected with the corresponding secondary liquid pipe; the bottom mold part includes a bottom mold and a bottom cover, the top of the bottom mold is symmetrically provided with a bottom groove, and the automobile auxiliary instrument panel is arranged in the bottom groove, and the bottom of the top mold is symmetrically provided with a top groove, and the top groove and the bottom groove can be plugged in and out, and an injection head is also arranged in the top groove, one end of the secondary liquid pipe can pass through the top groove and be connected with the corresponding injection head, and one end of the diversion pipe can pass through the top groove; clamping parts are also evenly arranged on one side of the bottom groove, and a cooling part is arranged on one side of the clamping part, and a groove is opened on the top of the bottom cover, and a buffer pad is arranged in the groove.

[0006] The utility model is further configured as follows: latches are arranged around the bottom of the top cover, and insertion holes are opened around the top of the top mold, and the latches can be plugged into the insertion holes.

[0007] The utility model is further configured as follows: plug posts are arranged around the top of the bottom mold, and slots are opened around the bottom of the top mold, and the plug posts can be plugged into the slots.

[0008] The utility model is further configured as follows: the clamping member includes a clamping plate, a slider arranged at one end of the clamping plate, and a slide rail arranged at the bottom of the slider; the slider can be slidably connected to the slide rail, and the clamping plate can fit tightly with the side wall of the bottom groove.

[0009] The utility model is further configured as follows: the cooling member comprises a cooling plate and a cooling pipe arranged on one side of the cooling plate; an end of the cooling plate away from the cooling pipe can be tightly fitted with the side wall of the bottom groove.

[0010] The utility model is further configured as follows: buffer columns are evenly arranged in the groove, buffer holes are evenly opened at the bottom of the bottom mold, and the end of the buffer column away from the groove can penetrate the side wall of the buffer pad and be plugged into the buffer hole.

[0011] By adopting the above technical solution, the external water source is connected through the cooling pipe, and the external water source enters the cooling plate along the cooling pipe, so that the cooling plate cools the bottom tank and achieves a cooling effect.

[0012] In summary, the present application includes at least one of the following beneficial technical effects:

[0013] (1) The injection molding soft glue can enter the cavity formed by the bottom groove and the top groove through the injection head to inject the required product; and the four diversion pipes are distributed at the four corners of the top groove, and the soft glue can be evenly filled at the same time during injection molding, thereby improving the quality and integrity of the injection molding, and further improving the production quality.

[0014] (2) The controller controls the slider to move on the slide rail, so that the slider brings the clamping plate close to the edge of the bottom groove, presses and clamps the edge of the bottom groove, thereby fixing the bottom mold and the bottom groove, avoiding the shaking of the bottom groove during demolding, and achieving stability.

[0015] (3) The external water source is connected through the cooling pipe, and the external water source enters the cooling plate along the cooling pipe, so that the cooling plate cools the bottom tank. Since the cooling plate, the bottom tank and the top tank are all made of alloy steel, the heat exchange speed is improved and the cooling effect is achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of a low-pressure injection mold for producing a vehicle auxiliary instrument panel according to the utility model;

[0017] Figure 2 It is an exploded view of the top mold and the bottom mold in the utility model;

[0018] Figure 3 It is a bottom view of the top mold and the bottom mold in the utility model;

[0019] Description of reference numerals: 1, top mold; 11, top cover; 111, liquid inlet channel; 112, latch; 12, top mold; 121, main liquid pipe; 122, secondary liquid pipe; 123, shunt pipe; 124, top groove; 125, injection head; 126, jack; 127, slot;

[0020] 2. Bottom mold; 21. Bottom mold; 211. Bottom groove; 212. Clamping piece; 2121. Clamping plate; 2122. Slider; 2123. Slide rail; 213. Cooling piece; 2131. Cooling plate; 2132. Cooling pipe; 214. Insert column; 215. Buffer hole; 22. Bottom cover; 221. Groove; 222. Buffer pad; 223. Buffer column;

[0021] 3. Car auxiliary instrument panel. DETAILED DESCRIPTION

[0022] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0023] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0024] See also Figure 1-Figure 3 , the utility model provides the following technical solutions:

[0025] Example 1, see Figure 1-Figure 3 A low-pressure injection mold for producing a car sub-instrument panel comprises a top mold 1 and a bottom mold 2; wherein the top mold 1 can be moved downward by an external power source so as to be extruded with the bottom mold 2, and the bottom mold 2 is a fixed mold, so that the injection molding soft glue can be poured into a cavity formed by the top mold 1 and the bottom mold 2, and then the required car sub-instrument panel 3 is obtained by cooling and solidifying the injection molding soft glue.

[0026] See also Figure 1-Figure 3Specifically, the top mold 1 includes a top cover 11 and a top mold 12. The bottom of the top cover 11 can be connected to the top of the top mold 12. A liquid inlet channel 111 is provided on the top of the top cover 11. A main liquid pipe 121 is provided on the top of the top mold 12. The end of the liquid inlet channel 111 away from the top cover 11 can be connected to the end of the main liquid pipe 121 away from the top mold 12; secondary liquid pipes 122 are symmetrically arranged on both sides of the main liquid pipe 121, and the secondary liquid pipes 122 can be connected to the main liquid pipe 121. Diversion pipes 123 are evenly arranged around the top of the top mold 12, and the diversion pipes 123 can be connected to the corresponding secondary liquid pipes 122.

[0027] Among them, the staff can transport the injection molding soft glue into the main liquid pipe 121 through the liquid inlet channel 111. Since the main liquid pipe 121 is connected with the two secondary liquid pipes 122, and the two secondary liquid pipes 122 are connected with the four branch pipes 123, the injection molding soft glue can flow through the inner walls of the secondary liquid pipes 122 and the branch pipes 123 to the cavity formed by the top mold 1 and the bottom mold 2, and then the injection molding soft glue is cooled and solidified, thereby achieving the purpose of injection molding.

[0028] See also Figure 1-Figure 3 Specifically, the bottom mold 2 includes a bottom mold 21 and a bottom cover 22. The top of the bottom mold 21 is symmetrically provided with a bottom groove 211, and the bottom groove 211 is provided with a car auxiliary instrument panel 3. The bottom of the top mold 12 is symmetrically provided with a top groove 124, and the top groove 124 and the bottom groove 211 can be plugged in and out of the top groove 124. An injection head 125 is also provided in the top groove 124. One end of the secondary liquid pipe 122 can pass through the top groove 124 and communicate with the corresponding injection head 125. One end of the shunt pipe 123 can pass through the top groove 124; a clamping piece 212 is evenly provided on one side of the bottom groove 211, and a cooling piece 213 is provided on one side of the clamping piece 212. A groove 221 is provided on the top of the bottom cover 22, and a buffer pad 222 is provided in the groove 221.

[0029] Among them, through the mutual cooperation between the bottom groove 211 and the top groove 124, the space formed between the top mold 12 and the bottom mold 21 can only be injection molded to form the required automobile sub-instrument panel 3, which reduces the generation of excess scraps, improves the production quality of the automobile sub-instrument panel 3, and further improves production efficiency.

[0030] Also, since one end of the secondary liquid pipe 122 can pass through the top groove 124 and is connected with the corresponding injection head 125, one end of the shunt pipe 123 can pass through the top groove 124. Therefore, the injection soft glue can enter the cavity formed by the bottom groove 211 and the top groove 124 through the injection head 125 to inject the required product; and the four shunt pipes 123 are distributed in the four corners of the top groove 124. During injection molding, the soft glue can be evenly filled at the same time, thereby improving the quality and integrity of the injection molding, and then improving the production quality.

[0031] The function of the clamping member 212 is to clamp the edge of the bottom groove 211 of the bottom mold 21 to avoid shaking during demoulding, thereby achieving stability and further achieving the purpose of fixing the bottom groove 211 and the bottom mold 21 .

[0032] See also Figure 1-Figure 3 Furthermore, latches 112 are disposed around the bottom of the top cover 11 , and insertion holes 126 are opened around the top of the top mold 12 , and the latches 112 can be plugged into the insertion holes 126 .

[0033] Insertion posts 214 are disposed around the top of the bottom mold 21 , and slots 127 are provided around the bottom of the top mold 12 . The insertion posts 214 can be inserted into the slots 127 .

[0034] Among them, through the design of the pin 112 and the socket 126, the top cover 11 and the top mold 12 can be fixed, thereby improving the connection stability of the top cover 11 and the top mold 12; through the mutual cooperation of the column 214 and the slot 127, the bottom mold 21 and the top mold 12 are fixed, further improving the connection stability of the top cover 11, the bottom mold 21 and the top mold 12.

[0035] See also Figure 1-Figure 3 Furthermore, the clamping member 212 includes a clamping plate 2121, a slider 2122 arranged at one end of the clamping plate 2121, and a slide rail 2123 arranged at the bottom of the slider 2122; the slider 2122 can be slidably connected to the slide rail 2123, and the clamping plate 2121 can fit tightly with the side wall of the bottom groove 211.

[0036] The cooling member 213 includes a cooling plate 2131 and a cooling pipe 2132 disposed on one side of the cooling plate 2131 ; one end of the cooling plate 2131 away from the cooling pipe 2132 can fit tightly against the side wall of the bottom groove 211 .

[0037] When it is necessary to clamp the edge of the bottom groove 211, the controller can be used to control the slider 2122 to move on the slide rail 2123, so that the slider 2122 brings the clamping plate 2121 to approach the edge of the bottom groove 211, and presses and clamps the edge of the bottom groove 211, thereby achieving the purpose of fixing the bottom mold 21 and the bottom groove 211, avoiding the shaking of the bottom groove 211 during demolding, and thus achieving stability; it should be noted that the bottom groove 211 is installed on the bottom mold 21, so the bottom groove 211 can be replaced according to the product to be injected.

[0038] Since the end of the cooling plate 2131 away from the cooling pipe 2132 can fit tightly with the side wall of the bottom groove 211, the staff can connect the external water source through the cooling pipe 2132 and let the external water source enter the cooling plate 2131 along the cooling pipe 2132, so that the cooling plate 2131 cools the bottom groove 211. Since the cooling plate 2131, the bottom groove 211 and the top groove 124 are all made of alloy steel, the heat exchange speed is improved and the cooling effect is achieved.

[0039] See also Figure 1-Figure 3 Furthermore, buffer columns 223 are evenly arranged in the groove 221, and buffer holes 215 are evenly opened at the bottom of the bottom mold 21. The end of the buffer column 223 away from the groove 221 can penetrate the side wall of the buffer pad 222 and be inserted into the buffer hole 215.

[0040] Among them, through the mutual cooperation of the buffer column 223, the buffer hole 215 and the buffer pad 222, the impact force of the top mold 12 on the bottom mold 21 can be buffered, avoiding damage to the top mold 12 and the bottom mold 21 caused by excessive pressure, thereby improving the service life of the top mold 12 and the bottom mold 21.

[0041] Obviously, the embodiments described above are only some embodiments of the utility model, not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

Claims

1. A low-pressure injection mold for producing a car auxiliary instrument panel, characterized in that: include, A top mold (1) and a bottom mold (2); The top mold (1) comprises a top cover (11) and a top mold (12); the bottom of the top cover (11) can be connected to the top of the top mold (12); a liquid inlet channel (111) is provided on the top of the top cover (11); a main liquid pipe (121) is provided on the top of the top mold (12); an end of the liquid inlet channel (111) away from the top cover (11) can be connected to an end of the main liquid pipe (121) away from the top mold (12); Secondary liquid pipes (122) are symmetrically arranged on both sides of the main liquid pipe (121), and the secondary liquid pipes (122) can be connected to the main liquid pipe (121). Diverter pipes (123) are evenly arranged around the top of the top mold (12), and the diverter pipes (123) can be connected to the corresponding secondary liquid pipes (122); The bottom mold (2) comprises a bottom mold (21) and a bottom cover (22); the top of the bottom mold (21) is symmetrically provided with a bottom groove (211); a car auxiliary instrument panel (3) is arranged in the bottom groove (211); the bottom of the top mold (12) is symmetrically provided with a top groove (124); the top groove (124) and the bottom groove (211) can be plugged in and matched; an injection head (125) is also arranged in the top groove (124); one end of the secondary liquid pipe (122) can pass through the top groove (124) and communicate with the corresponding injection head (125); and one end of the shunt pipe (123) can pass through the top groove (124); A clamping piece (212) is evenly arranged on one side of the bottom groove (211), a cooling piece (213) is arranged on one side of the clamping piece (212), a groove (221) is opened on the top of the bottom cover (22), and a buffer pad (222) is arranged in the groove (221).

2. The low-pressure injection mold for producing a car auxiliary instrument panel according to claim 1, characterized in that: The bottom of the top cover (11) is provided with latches (112) around the periphery, and the top of the top mold (12) is provided with insertion holes (126) around the periphery, and the latches (112) can be inserted into the insertion holes (126) in a coordinated manner.

3. The low-pressure injection mold for producing a car auxiliary instrument panel according to claim 2, characterized in that: Insertion posts (214) are arranged around the top of the bottom mold (21), and slots (127) are opened around the bottom of the top mold (12), and the insertion posts (214) can be inserted into the slots (127).

4. The low-pressure injection mold for producing a car auxiliary instrument panel according to claim 1, characterized in that: The clamping member (212) comprises a clamping plate (2121), a slider (2122) arranged at one end of the clamping plate (2121), and a slide rail (2123) arranged at the bottom of the slider (2122); the slider (2122) can be slidably connected to the slide rail (2123), and the clamping plate (2121) can be tightly fitted with the side wall of the bottom groove (211).

5. The low-pressure injection mold for producing a car auxiliary instrument panel according to claim 4, characterized in that: The cooling member (213) comprises a cooling plate (2131) and a cooling pipe (2132) arranged on one side of the cooling plate (2131); an end of the cooling plate (2131) away from the cooling pipe (2132) can be tightly fitted with the side wall of the bottom groove (211).

6. The low-pressure injection mold for producing a car auxiliary instrument panel according to claim 1, characterized in that: Buffer columns (223) are evenly arranged in the groove (221), and buffer holes (215) are evenly opened at the bottom of the bottom mold (21). The end of the buffer column (223) away from the groove (221) can penetrate the side wall of the buffer pad (222) and be inserted into the buffer hole (215).