Injection mold for automotive trim guard plate
The use of scroll springs and transmission mechanisms in the injection molds of automobile interiors can achieve rapid installation and replacement of the upper mold, and the automatic mold release function solves the problem of mold wear and manual mold release efficiency, improving work efficiency and product molding quality.
Patent Information
- Application Number
- CN202421672077.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-16
- Publication Date
- 2025-05-06
- Estimated Expiration
- 2034-07-16
AI Technical Summary
Existing automotive interior injection molds are prone to wear when they move frequently and need to be replaced in time, but there is a lack of effective solutions; the mold release process is usually manual, which is inefficient and easy to introduce human error.
An injection mold for automotive interior guard plates was designed, using scroll springs and transmission mechanisms to achieve rapid installation and replacement of the upper mold, and automatic lifting and demolding of the lower mold is achieved through the transmission of the drive shaft, worm and worm gear.
Through the use of scroll springs and transmission mechanisms, the installation efficiency and replacement speed of the upper mold are improved; the automatic mold release function reduces the waste of human resources and reduces the error and damage risks caused by human operations.
Smart Images

Figure CN222832301U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automobile interior trim panels, in particular to an injection mold for automobile interior trim panels. Background Art
[0002] Car interior guard plates are an important part of the car's interior decoration and protection structure. They not only improve the aesthetics of the car interior, but also play a role in protecting key components such as the body structure, wiring harness, and seat belts.
[0003] A car interior injection mold with publication number CN219686396U. The utility model relates to the technical field of injection molds, and in particular to a car interior injection mold. The utility model comprises a base component, the base component comprises a bottom plate, a receiving cavity is vertically opened in the middle of the upper surface of the bottom plate downward, a support plate is horizontally arranged at the bottom end of the receiving cavity, a spring is vertically fixedly connected to the bottom end of the receiving cavity, a first slot is vertically opened on the side wall of the receiving cavity, a cooling plate is installed on the side wall of the receiving cavity, a lower mold component is installed inside the receiving cavity, the lower mold component comprises a lower mold, the lower mold is installed inside the receiving cavity, and a convex column is arranged on the side wall of the lower mold. The base component and the lower mold component arranged in the utility model make the mold installation convenient, the mold can be quickly disassembled and replaced, and the work efficiency is improved. The cooling plate arranged in contact with the outer wall of the lower mold can make the lower mold cool down quickly, so that the accessories can be quickly cooled and formed, and the plastic can be quickly cooled and demolded in cooperation with the cooling plate.
[0004] In the above patent, the upper mold needs to be moved frequently, which is prone to wear and tear and needs to be replaced in a timely manner, but no solution is given. In addition, the demolding process is usually done manually, which is not only inefficient but also prone to human errors, affecting the product molding quality and production efficiency. Utility Model Content
[0005] The utility model aims to solve the shortcomings in the prior art and proposes an injection mold for an automobile interior trim panel.
[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an injection mold for an automobile interior trim panel, comprising a support plate, a sliding shaft is arranged on the support plate, a lifting plate is slidably connected to the sliding shaft, a mounting mechanism is arranged on the lifting plate, an upper mold is arranged at the lower end of the mounting mechanism, a demoulding mechanism is arranged at the lower end of the support plate, the demoulding mechanism is used for demoulding the automobile interior trim panel after molding, and a lower mold is arranged at the upper end of the demoulding mechanism;
[0007] The mounting mechanism includes a mounting shell, the mounting shell is fixedly connected to the lifting plate, a volute spring is arranged inside the mounting shell, one end of the volute spring is fixedly connected to the mounting shell, the other end of the volute spring is fixedly connected to a connecting shaft, the upper end of the connecting shaft is fixedly connected to a rotating disk, the connecting shaft is rotatably connected to the mounting shell, the mounting shell is eccentrically rotatably connected to a connecting rod, the connecting rod is rotatably connected to a rotating shaft, the rotating shaft is fixedly connected to a fixed block, and a limiting block is arranged on the fixed block.
[0008] As a further description of the above technical solution: the demoulding mechanism includes a connecting block, which is fixedly connected to the lower end of the support plate, and a driving shaft is rotatably connected inside the connecting block. A worm is fixedly arranged on the driving shaft, and the worm is meshed with a worm wheel. A threaded sleeve is provided inside the worm wheel, and the threaded sleeve is threadedly connected to a screw rod, and the threaded sleeve is rotatably connected to the connecting block, and the screw rod is fixedly connected to the lower end of the lower mold.
[0009] As a further description of the above technical solution: the installation mechanism also includes a connecting seat, a card slot is arranged on the connecting seat, the limit block is slidably arranged inside the card slot, and the connecting seat is fixedly arranged on the upper end of the upper mold.
[0010] As a further description of the above technical solution: the fixed block is arranged inside the lifting plate, and the fixed block is slidably connected to the lifting plate.
[0011] As a further description of the above technical solution: two of the worm, worm wheel and lead screw are provided, and the worm wheel and lead screw are both vertically arranged.
[0012] As a further description of the above technical solution: the limiting block and the card slot have the same shape.
[0013] As a further description of the above technical solution: four tripods are fixedly arranged at the lower end of the support plate, and the tripods are arranged side by side in pairs.
[0014] The utility model has the following beneficial effects:
[0015] 1. In the utility model, by rotating the rotating disc, and then by the transmission of the connecting rod, the rotating shaft and the fixed block, combined with the elastic force storage characteristics of the volute spring, the upper mold installation process becomes easy and efficient, and the mold replacement time is shortened.
[0016] 2. In the utility model, the automatic lifting and demoulding of the lower mold is realized through the transmission of the drive shaft, worm and worm gear, which changes the traditional manual demoulding method, not only saves human resources, but also reduces the error and damage risk that may be caused by manual operation. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a three-dimensional structural schematic diagram of an injection mold for an automobile interior trim panel proposed by the utility model;
[0018] Figure 2 This is a partial explosion schematic diagram of an injection mold for an automobile interior trim panel proposed by the utility model;
[0019] Figure 3 This is a partial three-dimensional structural schematic diagram of an injection mold for an automobile interior trim panel proposed by the utility model;
[0020] Figure 4 This is a partial structural section of an injection mold for an automobile interior trim panel proposed in the utility model. Figure 1 ;
[0021] Figure 5 This is a partial structural section of an injection mold for an automobile interior trim panel proposed in the utility model. Figure 2 ;
[0022] Figure 6 for Figure 5 Enlarged schematic diagram at point A in the middle.
[0023] Legend:
[0024] 1. Support plate; 2. Lifting plate; 3. Sliding shaft; 4. Mounting mechanism; 41. Rotating disc; 42. Connecting rod; 43. Connecting shaft; 44. Mounting shell; 45. Volute spring; 46. Rotating shaft; 47. Fixed block; 48. Limiting block; 49. Connecting seat; 410. Slot; 5. Demolding mechanism; 51. Connecting block; 52. Driving shaft; 53. Worm; 54. Worm wheel; 55. Screw; 6. Upper mold; 7. Lower mold; 8. Tripod. DETAILED DESCRIPTION
[0025] 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.
[0026] Example 1
[0027] Reference Figure 1-Figure 6As shown: an injection mold for an automobile interior trim panel, comprising a support plate 1, a sliding shaft 3 is arranged on the support plate 1, the sliding shaft 3 is slidably connected with a lifting plate 2, the lifting plate 2 is convenient for driving an upper mold 6 to move downward, a mounting mechanism 4 is arranged on the lifting plate 2, an upper mold 6 is arranged at the lower end of the mounting mechanism 4, a demoulding mechanism 5 is arranged at the lower end of the support plate 1, the demoulding mechanism 5 is used for demoulding the automobile interior trim panel after molding, and a lower mold 7 is arranged at the upper end of the demoulding mechanism 5;
[0028] The mounting mechanism 4 includes a mounting shell 44, which is fixedly connected to the lifting plate 2. A volute spring 45 is arranged inside the mounting shell 44. The volute spring 45 is used to reset the connecting shaft 43. One end of the volute spring 45 is fixedly connected to the mounting shell 44, and the other end of the volute spring 45 is fixedly connected to the connecting shaft 43. The upper end of the connecting shaft 43 is fixedly connected to a rotating disk 41, and the connecting shaft 43 is rotatably connected to the mounting shell 44. The mounting shell 44 is eccentrically rotatably connected to a connecting rod 42, and the connecting rod 42 is rotatably connected to a rotating shaft 46. The rotating shaft 46 is fixedly connected to a fixed block 47, and a limiting block 48 is arranged on the fixed block 47. Through the rotation of the rotating disk 41, and then through the transmission of the connecting rod 42, the rotating shaft 46 and the fixed block 47, combined with the elastic force storage characteristics of the volute spring 45, the installation process of the upper mold 6 becomes easy and efficient, and the mold replacement time is shortened.
[0029] The mounting mechanism 4 further includes a connecting seat 49, a card slot 410 is provided on the connecting seat 49, a limit block 48 is slidably provided inside the card slot 410, the connecting seat 49 is fixedly provided at the upper end of the upper mold 6, a fixed block 47 is provided inside the lifting plate 2, the fixed block 47 is slidably connected to the lifting plate 2, and the limit block 48 has the same shape as the card slot 410. It is convenient for the limit block 48 to be inserted into the card slot 410 and to fit the card slot 410 completely.
[0030] Example 2
[0031] On the basis of Example 1, the demoulding mechanism 5 includes a connecting block 51, which is fixedly connected to the lower end of the support plate 1. The connecting block 51 is rotatably connected to a drive shaft 52. A worm 53 is fixedly arranged on the drive shaft 52. The worm 53 is meshed with a worm wheel 54. A threaded sleeve is arranged inside the worm wheel 54. The threaded sleeve is threadedly connected to a screw 55, and the threaded sleeve is rotatably connected to the connecting block 51. The screw 55 is fixedly connected to the lower end of the lower mold 7. Through the transmission of the drive shaft 52, the worm 53 and the worm wheel 54, the automatic lifting and demoulding of the lower mold 7 is realized, which changes the traditional manual demoulding method, not only saves human resources, but also reduces the errors and damage risks that may be caused by human operation.
[0032] There are two worms 53 , two worm wheels 54 and two screw rods 55 , and both the worm wheels 54 and the screw rods 55 are vertically arranged.
[0033] Four tripods 8 are fixedly disposed at the lower end of the support plate 1, and two of the tripods 8 are arranged side by side.
[0034] Working principle: First, by rotating the rotating disk 41, the connecting rod 42 is driven to rotate, the connecting rod 42 drives the rotating shaft 46 to move, and the rotating shaft 46 drives the fixed block 47 to slide relative to the lifting plate 2. During this process, the volute spring 45 elastically stores force, and then the connecting seat 49 is inserted into the lifting plate 2 from the bottom, and the rotating disk 41 is released. Under the action of the volute spring 45, the connecting shaft 43 is driven to rotate, and the connecting shaft 43 drives the rotating disk 41 to reset, thereby returning the fixed block 47 to the initial position, and the fixed block 47 drives the limit block 48 to slide and snap into the inside of the card slot 410. At this point, the upper mold 6 can be quickly installed, which is convenient for the upper mold. 6 can be replaced, and the replacement time is short, the operation is easy, and the work efficiency is improved. Then, the automobile interior trim panel injection molding solution is injected into the interior of the lower mold 7, and the lifting plate 2 is driven by an external force to slide downward, and the lifting plate 2 drives the upper mold 6 to slide downward and cooperate with the lower mold 7 until the automobile interior trim panel injection molding solution is cooled and formed. Finally, the worm 53 is driven to rotate by the rotation of the driving shaft 52, and the worm 53 drives the worm wheel 54 to rotate, and the worm wheel 54 drives the internal threaded sleeve to rotate, thereby making the screw 55 rise, and the screw 55 lifts the lower mold 7 to realize automatic demoulding, changing the original manual demoulding and the traditional way of wasting manpower.
[0035] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. An injection mold for an automobile interior trim panel, comprising a support plate (1), characterized in that: The support plate (1) is provided with a sliding shaft (3), the sliding shaft (3) is slidably connected to a lifting plate (2), the lifting plate (2) is provided with a mounting mechanism (4), the lower end of the mounting mechanism (4) is provided with an upper mold (6), the lower end of the support plate (1) is provided with a demoulding mechanism (5), the demoulding mechanism (5) is used for demoulding the automobile interior trim panel after molding, and the upper end of the demoulding mechanism (5) is provided with a lower mold (7); The mounting mechanism (4) comprises a mounting shell (44), the mounting shell (44) being fixedly connected to the lifting plate (2), a spiral spring (45) being arranged inside the mounting shell (44), one end of the spiral spring (45) being fixedly connected to the mounting shell (44), the other end of the spiral spring (45) being fixedly connected to a connecting shaft (43), the upper end of the connecting shaft (43) being fixedly connected to a rotating disk (41), the connecting shaft (43) being rotationally connected to the mounting shell (44), the mounting shell (44) being eccentrically rotationally connected to a connecting rod (42), the connecting rod (42) being rotationally connected to a rotating shaft (46), the rotating shaft (46) being fixedly connected to a fixed block (47), and a limiting block (48) being arranged on the fixed block (47).
2. The injection mold for automobile interior trim panel according to claim 1, characterized in that: The demoulding mechanism (5) comprises a connecting block (51), the connecting block (51) is fixedly connected to the lower end of the support plate (1), a driving shaft (52) is rotatably connected inside the connecting block (51), a worm (53) is fixedly arranged on the driving shaft (52), the worm (53) is meshed with a worm wheel (54), a threaded sleeve is arranged inside the worm wheel (54), a screw rod (55) is threadedly connected to the threaded sleeve, and the threaded sleeve is rotatably connected to the connecting block (51), and the screw rod (55) is fixedly connected to the lower end of the lower mold (7).
3. The injection mold for automobile interior trim panel according to claim 1, characterized in that: The mounting mechanism (4) further comprises a connecting seat (49), a slot (410) being provided on the connecting seat (49), the limiting block (48) being slidably arranged inside the slot (410), and the connecting seat (49) being fixedly arranged at the upper end of the upper mold (6).
4. The injection mold for automobile interior trim panel according to claim 3, characterized in that: The fixing block (47) is arranged inside the lifting plate (2), and the fixing block (47) is slidably connected to the lifting plate (2).
5. The injection mold for automobile interior trim panel according to claim 2, characterized in that: The worm (53), the worm wheel (54) and the screw rod (55) are each provided with two, and the worm wheel (54) and the screw rod (55) are both vertically arranged.
6. The injection mold for automobile interior trim panel according to claim 5, characterized in that: The limiting block (48) and the clamping slot (410) have the same shape.
7. The injection mold for automobile interior trim panel according to claim 1, characterized in that: Four tripods (8) are fixedly arranged at the lower end of the support plate (1), and the tripods (8) are arranged side by side in pairs.
Citation Information
Patent Citations
Automotive trim injection mold
CN219686396U