Injection mold for automobile instrument panel

By using a combination of electric telescopic rods and linear motors in the injection mold of the automobile dashboard, the problem of falling and damage during molding is solved, and the injection molding liquid is filtered through the filter screen, which improves the quality and production efficiency of the finished product and reduces the manufacturing cost.

CN222681657UActive Publication Date: 2025-03-28CHANGSHU CHANGCHUN AUTOMOTIVE PARTS CO LTD
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Patent Information

Application Number
CN202420574240.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-25
Publication Date
2025-03-28
Estimated Expiration
2034-03-25

AI Technical Summary

Technical Problem

The existing automotive dashboard injection molds lack protective structures during the de-material process, resulting in the injection molded parts being easily bumped and damaged, increasing manufacturing costs.

Method used

An automobile dashboard injection mold is designed, using an electric telescopic rod to drive the gear lever to extend to prevent the injection molding parts from falling when they are unmolded. A linear motor drives the deducting rod to move and remove the product. A filter is installed inside the treatment shell to filter the injection molding liquid to prevent impurities from affecting the quality of the finished product.

Benefits of technology

Effectively prevent injection molded parts from falling and getting damaged during the demolding process, improve the quality and production efficiency of the finished product, and reduce manufacturing costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an injection mold for an automobile instrument panel, which relates to the technical field of injection molds and comprises a convex mold and a rubber head, linear motors are arranged on the front side face and the rear side face of the interior of the male die, the left side face of the male die is correspondingly matched with the right side face of the female die, limiting grooves are formed in the front side face and the rear side face of the male die, limiting plates are fixed to the front side face and the rear side face of the female die, and the inner side faces of rotor bases of the linear motors are connected with the ends of supporting plates; according to the automobile instrument panel injection mold, an electric telescopic rod is adopted to drive a gear rod to extend, so that an injection molding part can be prevented from falling off and being damaged during stripping, and a linear motor is started to enable the stripping rods to enable the injection molding part subjected to injection molding to fall off; and a filter screen in the treatment shell can filter the injection molding liquid so as to prevent impurities in the liquid from influencing the quality of subsequent injection molding finished products.
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Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, in particular to an injection mold for an automobile instrument panel. Background Art

[0002] The car dashboard is a device that reflects the working status of various systems of the vehicle. Common ones include fuel indicator light, washer fluid indicator light, electronic throttle indicator light, front and rear fog lamp indicator lights and warning lights. Most of the dashboards are produced by injection molds. However, the injection molds currently used lack protective structures during stripping, which can easily cause the finished product to be damaged by hand slips, and even be scrapped in serious cases, which will increase the manufacturing cost. Therefore, we propose an injection mold for car dashboards. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the existing defects and provide an automobile instrument panel injection mold. An electric telescopic rod is used to drive the gear lever to extend to prevent the injection molded parts from falling and being damaged when the injection molded parts are removed. Starting the linear motor can make the removal rod remove the injection molded parts. The filter screen inside the processing shell can filter the injection liquid to prevent impurities inside the liquid from affecting the quality of the subsequent injection molded parts. The problems in the background technology can be effectively solved.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automobile instrument panel injection mold, comprising a male mold and a rubber head;

[0005] Punch: Linear motors are provided on both the front and rear sides of the interior, the left side of the punch corresponds to the right side of the die, limiting grooves are provided on both the front and rear sides of the punch, limiting plates are fixed on both the front and rear sides of the die, the inner side of the linear motor mover seat is connected to the end of the support plate, the left side of the support plate is evenly distributed with stripping rods slidably connected to the through holes on the surface of the punch, the rubber head is installed on the left end of the stripping rod, the left side of the punch is provided with an anti-stripping unit, and the top surface of the die is provided with a filtering unit;

[0006] Wherein, it also includes a controller, which is arranged on the front side of the punch, the input end of the linear motor is electrically connected to the output end of the controller, and the input end of the controller is electrically connected to the output end of an external power supply.

[0007] The limit plate cooperates with the inner part of the limit groove to prevent the problem of misalignment when the punch and the die overlap. The linear motor drives the stripper rod to move and remove the finished product injection molded on the punch. The rubber head installed at the end of the stripper rod can prevent the surface from being worn during stripping.

[0008] Furthermore, the anti-drop unit includes a placement slot, a motor, a connecting seat, an electric telescopic rod and a gear rod, the placement slots have two and are correspondingly opened at the bottom end of the left side of the punch, the placement slots are internally rotatably connected with a connecting seat, the motor is fixed to the bottom surface of the punch, the output shaft of the motor is connected to the bottom surface of the connecting seat, the electric telescopic rod is fixed inside the connecting seat, the left end of the electric telescopic rod is installed with a gear rod, the input ends of the motor and the electric telescopic rod are electrically connected to the output end of the controller, the motor drives the connecting seat to rotate, and the electric telescopic rod drives the gear rod to extend, thereby preventing the injection molded parts from falling and being damaged during demolding.

[0009] Furthermore, the filtration unit includes a filter, a processing shell, a fixing rod, a heating tube and a sealing plate. The processing shell is installed on the top surface of the die, the liquid outlet pipe of the processing shell is connected to the injection port on the top surface of the die, the filter is inserted in the through groove on the top surface of the processing shell, the left side of the processing shell is hinged with a sealing plate, the top surface of the sealing plate is installed with a heating tube, the fixing rod has two and is connected to the top end of the left side of the processing shell for corresponding front and rear rotation, the input end of the heating tube is electrically connected to the output end of the controller, the filter inside the processing shell can filter the injection liquid to prevent impurities inside the liquid from affecting the quality of subsequent injection molded parts, and the heating tube can prevent the injection liquid inside the processing shell from condensing and affecting subsequent injection molding.

[0010] Furthermore, the anti-slip unit also includes a sponge pad and a protective pad. The sponge pad is bonded to the right side of the gear lever, and the protective pad is bonded to the top surface of the connecting seat. The sponge pad and the anti-slip pad can provide buffering protection for the injection molded parts to protect the surface of the injection molded parts.

[0011] Furthermore, it also includes a cleaning brush, a clamp and a placement rack, wherein the placement rack is fixed to the front side of the punch, a clamp is installed inside the placement rack, and a cleaning brush is clamped inside the clamp. The clamp inside the placement rack can fix the cleaning brush, thereby facilitating personnel to take it when cleaning impurities.

[0012] Furthermore, it also includes lighting lamps, two of which are respectively fixed inside the grooves on the top surfaces of the punch and the die, and the input end of the lighting lamp is electrically connected to the output end of the controller. The lighting lamp can illuminate the inside of the punch and the die to facilitate personnel to check.

[0013] Compared with the prior art, the beneficial effects of the utility model are: the automobile instrument panel injection mold has the following advantages:

[0014] 1. The limit plate cooperates with the inner limit groove to prevent the problem of misalignment when the punch and the die overlap. The linear motor drives the stripper rod to move and remove the car dashboard injection molded on the punch. The rubber head installed at the end of the stripper rod can prevent the surface from being worn during stripping.

[0015] 2. The electric telescopic rod is used to drive the gear lever to extend, which can prevent the injection molded parts from falling and being damaged during demolding. The sponge pad and the anti-slip pad can provide buffering protection for the injection molded parts to solve the problem of increased manufacturing costs caused by damage to the injection molded parts.

[0016] 3. The injection molding liquid can be filtered through the filter screen inside the processing shell to prevent the impurities inside the liquid from affecting the quality of the subsequent injection molding of the automobile dashboard, while the heating tube can prevent the injection molding liquid inside the processing shell from condensing and affecting the subsequent injection molding. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the anti-slip unit of the utility model;

[0019] Figure 3 It is a partial enlarged structural schematic diagram of point A of the utility model.

[0020] In the figure: 1 punch, 2 anti-slip unit, 21 placement slot, 22 motor, 23 connecting seat, 24 electric telescopic rod, 25 gear lever, 26 sponge pad, 27 protective pad, 3 filter unit, 31 filter screen, 32 processing shell, 33 fixing rod, 34 heating tube, 35 sealing plate, 4 die, 5 limit slot, 6 limit plate, 7 linear motor, 8 support plate, 9 stripping rod, 10 rubber head, 11 cleaning brush, 12 clamp, 13 placement rack, 14 lighting lamp, 15 controller. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1-3 , This embodiment provides a technical solution: an automobile instrument panel injection mold, including a male mold 1 and a rubber head 10;

[0023] Punch 1: Linear motors 7 are provided on both the front and rear sides of the interior, the left side of the punch 1 corresponds to the right side of the die 4, limit slots 5 are provided on both the front and rear sides of the punch 1, and limit plates 6 are fixed on both the front and rear sides of the die 4. The inner side of the mover seat of the linear motor 7 is connected to the end of the support plate 8, and the left side of the support plate 8 is evenly distributed with stripping rods 9 that are slidably connected to the through holes on the surface of the punch 1, and the rubber head 10 is installed on the left end of the stripping rod 9. The left side of the punch 1 is provided with an anti-stripping unit 2, which includes a placement slot 21, a motor 22, a connecting seat 23, and an electric stretcher. The retracting rod 24 and the gear lever 25, the placement groove 21 has two and the front and rear correspondingly opened at the bottom end of the left side of the punch 1, the placement groove 21 is internally rotatably connected with the connecting seat 23, the motor 22 is fixed to the bottom surface of the punch 1, the output shaft of the motor 22 is connected to the bottom surface of the connecting seat 23, the electric telescopic rod 24 is fixed inside the connecting seat 23, and the gear lever 25 is installed at the left end of the electric telescopic rod 24, the input end of the motor 22 and the electric telescopic rod 24 is electrically connected to the output end of the controller 15, the motor 22 drives the connecting seat 23 to rotate, and the electric telescopic rod 24 drives the gear lever 25 to extend, so as to prevent In order to prevent the injection molded parts from falling and being damaged during demolding, the anti-drop unit 2 also includes a sponge pad 26 and a protective pad 27. The sponge pad 26 is bonded to the right side of the gear lever 25, and the protective pad 27 is bonded to the top surface of the connecting seat 23. The sponge pad 26 cooperates with the anti-slip pad 27 to provide buffer protection for the injection molded parts to protect the surface of the injection molded parts. The top surface of the concave mold 4 is provided with a filter unit 3. The filter unit 3 includes a filter screen 31, a processing shell 32, a fixing rod 33, a heating tube 34 and a sealing plate 35. The processing shell 32 is installed on the top surface of the concave mold 4. The liquid outlet pipe of the processing shell 32 is connected to the injection molding machine on the top surface of the concave mold 4. The processing shell 32 is connected to the plastic port, and a filter screen 31 is inserted into the through groove on the top surface of the processing shell 32. A sealing plate 35 is hinged on the left side of the processing shell 32. A heating tube 34 is installed on the top surface of the sealing plate 35. There are two fixing rods 33 and they are connected to the top of the left side of the processing shell 32 by corresponding rotation. The input end of the heating tube 34 is electrically connected to the output end of the controller 15. The filter screen 31 inside the processing shell 32 can filter the injection liquid to prevent impurities inside the liquid from affecting the quality of the subsequent injection molded parts, and the heating tube 34 can prevent the injection liquid inside the processing shell 32 from condensing and affecting the subsequent injection molding;

[0024] The controller 15 is also included. The controller 15 is arranged on the front side of the punch 1. The input end of the linear motor 7 is electrically connected to the output end of the controller 15. The input end of the controller 15 is electrically connected to the output end of the external power supply. The limit plate 6 cooperates with the inner part of the limit groove 5 to prevent the problem of misalignment when the punch 1 and the die 4 overlap. The linear motor 7 drives the stripping rod 9 to move and remove the finished product of the injection molding on the punch 1. The rubber head 10 installed at the end of the stripping rod 9 can prevent the surface from being worn during stripping. The cleaning brush 11, the clamp 12 and the placement rack 13 are also included. The placing rack 13 is fixed on the front side of the punch 1, and a clamp 12 is installed inside the placing rack 13. A cleaning brush 11 is clamped inside the clamp 12. The clamp 12 inside the placing rack 13 can fix the cleaning brush 11, so that it is convenient for personnel to take it when cleaning impurities. It also includes a lighting lamp 14. There are two lighting lamps 14 and they are respectively fixed in the grooves on the top surfaces of the punch 1 and the die 4. The input end of the lighting lamp 14 is electrically connected to the output end of the controller 15. The lighting lamp 14 can illuminate the inside of the punch 1 and the die 4 to facilitate personnel to check.

[0025] The working principle of the automobile instrument panel injection mold provided by the utility model is as follows: first, the male mold 1 and the female mold 4 are overlapped, and the injection liquid is added into the processing shell 32. The filter screen 31 inside the processing shell 32 can filter the injection liquid to prevent the impurities inside the liquid from affecting the quality of the subsequent injection molded parts, and the heating tube 34 can prevent the injection liquid inside the processing shell 32 from condensing and affecting the subsequent injection molding. The filtered injection liquid enters through the injection hole on the top surface of the female mold 4, and the limiting plate 6 cooperates with the limiting groove 5 to prevent the male mold 1 and the female mold 4 from condensing. There is a problem of misalignment when the molds 4 overlap. After the car dashboard is injection molded, the linear motor 7 drives the stripping rod 9 to move to remove the finished product injection molded on the punch 1. The rubber head 10 installed at the end of the stripping rod 9 can prevent the surface from being worn during stripping. At the same time, the motor 22 drives the connecting seat 23 to rotate, and the electric telescopic rod 24 drives the gear rod 25 to extend, which can prevent the injection molded parts from falling and causing damage during demolding. The clamp 12 inside the placement rack 13 can fix the cleaning brush 11, so that it is convenient for personnel to take it when cleaning impurities.

[0026] It is worth noting that the controller 15 disclosed in the above embodiment uses the model S7-200, the electric telescopic rod 24 can be freely configured according to the actual application scenario, and it is recommended to use the electric telescopic rod of model YHT523, the heating tube 34 can use the heating tube of model DN4050, and the motor 22 can use the motor of model SC-25GA300. The controller 15 controls the motor 22, the electric telescopic rod 24, the heating tube 34, the linear motor 7 and the lighting lamp 14 to work using the methods commonly used in the prior art.

[0027] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. An injection mold for an automobile instrument panel, characterized in that: It comprises a male mold (1) and a rubber head (10); Punch (1): Linear motors (7) are provided on both the front and rear sides of the interior; the left side of the punch (1) corresponds to the right side of the die (4); limiting grooves (5) are provided on both the front and rear sides of the punch (1); limiting plates (6) are fixed on both the front and rear sides of the die (4); the inner side of the mover seat of the linear motor (7) is connected to the end of a support plate (8); stripping rods (9) slidably connected to the through holes on the surface of the punch (1) are evenly distributed on the left side of the support plate (8); the rubber head (10) is installed on the left end of the stripping rod (9); an anti-stripping unit (2) is provided on the left side of the punch (1); and a filtering unit (3) is provided on the top surface of the die (4); It also includes a controller (15), which is arranged on the front side of the punch (1), the input end of the linear motor (7) is electrically connected to the output end of the controller (15), and the input end of the controller (15) is electrically connected to the output end of an external power supply.

2. The automobile instrument panel injection mold according to claim 1, characterized in that: The anti-drop unit (2) comprises a placement slot (21), a motor (22), a connecting seat (23), an electric telescopic rod (24) and a shift rod (25); the placement slots (21) are two and are correspondingly arranged at the bottom end of the left side of the punch (1) in front and back; the placement slot (21) is rotatably connected to the connecting seat (23) inside; the motor (22) is fixed to the bottom surface of the punch (1); the output shaft of the motor (22) is connected to the bottom surface of the connecting seat (23); the electric telescopic rod (24) is fixed inside the connecting seat (23); the left end of the electric telescopic rod (24) is installed with the shift rod (25); the input ends of the motor (22) and the electric telescopic rod (24) are electrically connected to the output end of the controller (15).

3. The automobile instrument panel injection mold according to claim 1, characterized in that: The filtration unit (3) comprises a filter screen (31), a processing shell (32), a fixing rod (33), a heating tube (34) and a sealing plate (35); the processing shell (32) is mounted on the top surface of the die (4); the liquid outlet pipe of the processing shell (32) is connected to the injection molding port on the top surface of the die (4); the filter screen (31) is inserted into the through groove on the top surface of the processing shell (32); the sealing plate (35) is hinged on the left side surface of the processing shell (32); the heating tube (34) is mounted on the top surface of the sealing plate (35); the fixing rod (33) has two parts and is connected to the top end of the left side surface of the processing shell (32) by rotating in a corresponding manner; the input end of the heating tube (34) is electrically connected to the output end of the controller (15).

4. The automobile instrument panel injection mold according to claim 1, characterized in that: The anti-drop unit (2) further comprises a sponge pad (26) and a protective pad (27), wherein the sponge pad (26) is bonded to the right side surface of the shift rod (25), and the protective pad (27) is bonded to the top surface of the connecting seat (23).

5. The automobile instrument panel injection mold according to claim 1, characterized in that: It also comprises a cleaning brush (11), a clamp (12) and a placement rack (13), wherein the placement rack (13) is fixed to the front side of the punch (1), the clamp (12) is installed inside the placement rack (13), and the cleaning brush (11) is clamped inside the clamp (12).

6. The automobile instrument panel injection mold according to claim 1, characterized in that: It also includes lighting lamps (14), two of which are respectively fixed inside the grooves on the top surfaces of the male mold (1) and the female mold (4), and the input end of the lighting lamps (14) is electrically connected to the output end of the controller (15).

Citation Information

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