Injection mold for electric vehicle control panel

By introducing a buffer plate and guide block into the electric vehicle control board mold, combined with an ejector mechanism, the problem of the buckle being broken during demolding was solved, achieving complete demolding and high molding rate of the product.

CN223671732UActive Publication Date: 2025-12-16JIANGSU JING SHUO NEW ENERGY VEHICLES CO LTD
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Patent Information

Application Number
CN202423152091.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-19
Publication Date
2025-12-16
Estimated Expiration
2034-12-19

AI Technical Summary

Technical Problem

During the demolding process, the clips on the plastic panel of the existing electric vehicle control board mold are easily broken, resulting in product scrap.

Method used

An injection mold comprising a fixed mold and a moving mold was designed. By setting a buffer plate and a bending forming block on the fixed mold, and using a guide block and ejector pin mechanism, the snaps of the plastic panel are protected from damage. Combined with a hydraulic device, the complete demolding of the product is achieved.

Benefits of technology

It effectively protects the clips on the plastic panel, improves the product molding rate, and ensures the integrity and ease of use of the product.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to an injection mold for an electric vehicle control panel. The injection mold comprises a fixed mold and a movable mold, the fixed mold comprises a fixed mold base, a buffer plate and a bending forming block; the buffer plate is vertically arranged on the fixed die holder in a sliding manner through a limiting screw; the buffer plate is provided with a first profiling area; the bending forming block is slidably arranged on the upper surface of the buffer plate in the length direction of the buffer plate and located on one side of the first profiling area. A guide block is fixed on the fixed die holder; the front side and the rear side of the guide block are inclined planes which are parallel to each other; an inclined hole is formed in the bending forming block and penetrates through the upper surface and the lower surface of the bending forming block, and the bending forming block is slidably connected to the guide block in a sleeving mode through the inclined hole. A plurality of connecting holes are formed in the buffer plate; the movable mold comprises a movable mold base and a movable mold core; and a plurality of rubber plugs are arranged on the movable mold core corresponding to the connecting holes. When the right-angle bending plastic panel is demoulded, the plastic buckle formed on the back surface of a product is effectively protected, and the product forming rate is greatly improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to electric vehicle manufacturing technical field, especially a kind of injection mould for electric vehicle control panel. BACKGROUND

[0002] Electric tricycle is with battery as power, motor as driving's three-wheeled transport tool for pulling goods or people.Electric vehicle needs the plastic panel on the controller in production process.Electric vehicle display plastic panel is a plastic component in front of electric vehicle display screen, it is usually used as the protective cover of display screen, it plays the role of shielding wind, protecting display screen and decoration.Electric vehicle display plastic panel is located in front of electric vehicle display screen, and it is the direct protective layer of display screen.

[0003] As shown in Figure 1 Controller plastic panel is one end right angle bending, and there is a row of buckles needing injection molding on the back of right angle bending, for connecting with the part on electric vehicle.At present, existing mould is demoulded after product injection molding, and buckle is easily broken in the process of fixed mould and movable mould demolding, causing product scrap.

[0004] Therefore, it is desired to provide an injection mould for electric vehicle control panel, so as to solve the above technical problems. UTILITY MODEL CONTENT

[0005] The utility model aims at providing an injection mould for electric vehicle control panel, which effectively protects the plastic buckle formed on the back of the product when demolding the right angle bending plastic panel, greatly improving the product forming rate.

[0006] To achieve the above utility model purposes, an injection mould for electric vehicle control panel is provided, comprising fixed mould and movable mould;

[0007] The fixed mould comprises fixed mould seat, buffer plate and bending forming block;

[0008] The buffer plate is vertically slidably arranged on the fixed mould seat by the limiting screw;

[0009] The buffer plate has a first profiling area;

[0010] The bending forming block is slidably arranged on the upper surface of the buffer plate along the length direction of the buffer plate, and located on one side of the first profiling area;

[0011] The fixed mould seat is fixed with guide block, and the front and rear sides of the guide block are both inclined surface parallel to each other;

[0012] The bending forming block is provided with inclined hole, the inclined hole penetrates the upper and lower surfaces of the bending forming block, and the bending forming block is slidably sleeved on the guide block through the inclined hole.

[0013] The buffer plate has a plurality of connecting holes;

[0014] The movable mold comprises a movable mold base and a movable mold core;

[0015] The movable mold core is provided with a second profiling area, and the first profiling area and the second profiling area form a forming cavity;

[0016] The movable mold base is provided with a relief groove corresponding to the position of the guide block;

[0017] The movable mold core is provided with a plurality of rubber plugs corresponding to the position of the connecting holes, and the rubber plugs correspond one-to-one to the connecting holes;

[0018] The movable mold base and the movable mold core are left with a cavity, and the cavity is provided with a ejector pin mechanism for ejecting the formed product.

[0019] Preferably, the bending forming block comprises a profiling block and a mounting block, the profiling block is matched with the right-angle bending area of the plastic panel, the profiling block is detachably fixed with the mounting block, and the inclined hole is arranged on the mounting block.

[0020] Further, the fixed mold base is symmetrically provided with an oil cylinder on both sides, the piston rod of the oil cylinder is vertically upward, and the piston rod of the oil cylinder is connected with the buffer plate.

[0021] Preferably, the fixed mold base is provided with a cooling water pipeline.

[0022] Specifically, the ejector pin mechanism comprises a support plate and a plurality of ejector pins;

[0023] The support plate is slidably arranged on the movable mold base in a direction perpendicular to the movable mold base;

[0024] The ejector pin is vertically fixed on the support plate and penetrates the second profiling area.

[0025] Further, a plurality of return springs are arranged between the support plate and the movable mold base, one end of the return spring is connected with the support plate, and the other end is connected with the movable mold base.

[0026] Further, a plurality of inclined ejector pins are arranged on the support plate;

[0027] The inclined ejector pin corresponds one-to-one to the buckle on the back of the plastic panel, and the movable mold core is provided with an inclined ejector pin passage corresponding to each inclined ejector pin.

[0028] Preferably, the movable mold and the fixed mold are provided with a lock block, and the two ends of the lock block are connected with the fixed mold and the movable mold through bolts respectively.

[0029] Preferably, the buffer plate is provided with guide holes, and the moving mold base is provided with guide posts, which are slidably inserted into the corresponding guide holes.

[0030] The advantages of the injection mold for electric vehicle control boards provided by this utility model compared to existing technologies

[0031] (1) By setting a buffer plate on the fixed mold base and sliding a bending forming block on one side of the buffer plate; after the product is formed in the mold, the external hydraulic device drives the moving mold to move outward and separate from the fixed mold. At this time, the rubber plug on the moving mold core is in the connecting hole, pulling the buffer plate upward. Due to the effect of the limit screw, the buffer plate will not detach from the fixed mold base. Under the action of the guide block, the bending forming block moves upward and backward, separating from the right angle bending area of ​​the injection-molded plastic panel. The molded plastic panel is completely pulled out by the passive mold, effectively protecting the plastic buckle formed in the bending area of ​​the plastic panel.

[0032] (2) By setting ejector pins and angled ejectors, the product can be ejected from the moving mold quickly and effectively, while ensuring the integrity of the product;

[0033] (3) Simple structure and easy to use. Attached Figure Description

[0034] Figure 1 This is a schematic diagram of the structure of a controller plastic panel with a right-angle bend in the background art;

[0035] Figure 2 This is a schematic diagram of the structure of an injection mold for an electric vehicle control board according to this embodiment;

[0036] Figure 3 This is a schematic diagram of the fixed mold structure in this embodiment.

[0037] Figure 4 This is a schematic diagram of the fixed mold structure after removing the bent forming block in this embodiment;

[0038] Figure 5 This is an exploded view of the bent and shaped block in this embodiment;

[0039] Figure 6 This is a schematic diagram of the moving mold in this embodiment;

[0040] Figure 7 This is a schematic diagram of the operation of the inclined top in this embodiment. Detailed Implementation

[0041] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0042] like Figure 2The utility model discloses an injection mold for electric car control panel, including fixed mould 1 and movable mould 2.

[0043] The fixed mould 1 includes fixed mould seat 3, buffer plate 4 and bending forming block 5, buffer plate 4 is vertically slidably arranged on fixed mould seat 3 by limiting screw (not shown in the drawing), buffer plate 4 has first profiling area 6, bending forming block 5 is slidably arranged on the upper surface of buffer plate 4 along the length direction of buffer plate 4 and is located on the side of first profiling area 6.

[0044] As Figure 3 And Figure 4 As shown in the drawing, the fixed mould seat 3 is fixed with guide block 7, and the front and rear sides of guide block 7 are both inclined surfaces parallel to each other, the bending forming block 5 is provided with inclined hole 8, and the inclined hole 8 penetrates the upper and lower surfaces of the bending forming block 5, and the bending forming block 5 is slidably sleeved on the guide block 7 through the inclined hole 8.

[0045] Buffer plate 4 has a plurality of connecting holes 9.

[0046] In the embodiment, as Figure 5 As shown in the drawing, the bending forming block 5 includes profiling block 10 and mounting block 11, the profiling block 10 is matched with the right-angle bending area of the plastic panel, the profiling block 10 is detachably fixed with the mounting block 11, and the inclined hole 8 is arranged on the mounting block 11, so that detachable connection is realized, and subsequent maintenance is facilitated.

[0047] In the embodiment, the oil cylinder 12 is symmetrically arranged on both sides of the fixed mould seat 3, the piston rod of the oil cylinder 12 is vertically upwardly arranged, and the piston rod of the oil cylinder 12 is connected with the buffer plate 4, so that the buffer plate 4 is reset.

[0048] In the embodiment, the fixed mould seat 3 is provided with cooling water pipeline 13, so that the mold and the formed product can be cooled.

[0049] As Figure 6 As shown in the drawing, the movable mould 2 includes movable mould seat 14 and movable mould core 15, the movable mould core 15 is provided with second profiling area 16, and the second profiling area 16 and the first profiling area 6 form a forming cavity.

[0050] The movable mould core 15 is provided with a plurality of rubber plugs 18 at positions corresponding to the connecting holes 9, and the rubber plugs 18 correspond to the connecting holes 9 one by one.

[0051] A cavity is provided between the moving mold base 14 and the moving mold core 15, and an ejector mechanism is provided in the cavity to eject the molded product.

[0052] After the product is formed in the mold, the external hydraulic device drives the moving mold 2 to move outward and separate from the fixed mold 1. At this time, the rubber plug 18 on the moving mold core 15 is in the connecting hole 9, pulling the buffer plate 4 upward. Due to the action of the limit screw, the buffer plate 4 will not detach from the fixed mold base 3. Under the action of the guide block 7, the bending forming block 5 moves upward and backward, separating from the right angle bending area of ​​the injection-molded plastic panel. The molded plastic panel is completely taken out by the moving mold 2.

[0053] Specifically, in this embodiment, the ejector mechanism includes a support plate 19 and a plurality of ejector pins 20; the support plate 19 is slidably disposed on the moving mold base 14 in a direction perpendicular to the moving mold base 14; the ejector pins 20 are vertically fixed on the support plate 19 and penetrate through the second contouring area 16; with this arrangement, after the product is formed, an external hydraulic device drives the support plate 19 to move, and the ejector pins 20 will extend out of the second contouring area 16 and eject the product.

[0054] Furthermore, in this embodiment, a plurality of return springs 21 are provided between the support plate 19 and the moving mold base 14. One end of the return spring 21 is connected to the support plate 19 and the other end is connected to the moving mold base 14, so as to restore the support plate 19.

[0055] In this embodiment, as Figure 7 As shown, the support plate 19 is also provided with a number of inclined ejectors 22, which are inclinedly arranged on the support plate 19. Each inclined ejector 22 corresponds to a buckle on the back of the plastic panel, and the moving mold core 15 is provided with an inclined ejector channel for each inclined ejector 22. With this arrangement, the inclined ejectors 22, together with the ejector pins 20, can effectively prevent the buckles on the back of the product from being damaged while ejecting the product.

[0056] In this embodiment, a locking block 23 is provided between the moving mold 1 and the fixed mold 2. The two ends of the locking block 23 are respectively connected to the fixed mold 1 and the moving mold 2 by bolts to prevent the moving mold or the fixed mold from falling off and being damaged during mold transfer.

[0057] In this embodiment, the buffer plate 4 is provided with guide holes 24, and the moving mold base 14 is provided with guide posts 25. The guide posts 25 are slidably inserted into the corresponding guide holes 24 to play a guiding role and facilitate quick assembly of the mold.

[0058] After the moving mold 2 completely pulls the product out, the external hydraulic device is activated, the support plate 19 moves, and the ejector pin 20 and the angled ejector 22 work together to push the plastic panel out of the moving mold core.

[0059] Although the embodiments of the utility model have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary and cannot be understood as limiting the utility model, and the ordinary skilled in the art can change, modify, replace and transform the above-mentioned embodiments within the scope of the utility model.

Claims

1. An injection mold for an electric vehicle control board, characterized by, The fixed mold and the movable mold are included; The fixed mold includes a fixed mold base, a buffer plate and a bending forming block; The buffer plate is vertically and slidingly arranged on the fixed mold base by a limiting screw; The buffer plate has a first profiling area; The bending forming block is slidingly arranged on the upper surface of the buffer plate along the length direction of the buffer plate and located at one side of the first profiling area; The fixed mold base is fixed with a guide block, and the front and back sides of the guide block are both inclined surfaces parallel to each other; The bending forming block is provided with an inclined hole penetrating through the upper and lower surfaces of the bending forming block, and the bending forming block is slidingly sleeved on the guide block through the inclined hole; The buffer plate is provided with a plurality of connecting holes; The movable mold includes a movable mold base and a movable mold core; The movable mold core is provided with a second profiling area, and the first profiling area and the second profiling area form a forming cavity; The movable mold base is provided with a avoiding slot corresponding to the position of the guide block; The movable mold core is provided with a plurality of rubber plugs corresponding to the positions of the connecting holes; The movable mold base and the movable mold core are left with a cavity, and the cavity is provided with a ejector pin mechanism for ejecting the formed product.

2. The injection mold for an electric vehicle control board of claim 1, wherein, The bending forming block includes a profiling block and a mounting block, the profiling block is matched with the right-angle bending area of the plastic panel, the profiling block is detachably fixed with the mounting block, and the inclined hole is arranged on the mounting block.

3. The injection mold for an electric vehicle control board of claim 2, wherein, The fixed mold base is symmetrically provided with an oil cylinder on both sides, the piston rod of the oil cylinder is vertically upward, and the piston rod of the oil cylinder is connected with the buffer plate.

4. An injection mold for an electric vehicle control board according to any one of claims 1 to 3, characterized in that, The fixed mold base is provided with a cooling water pipeline.

5. The injection mold for an electric vehicle control board of claim 1, wherein, The ejector pin mechanism includes a support plate and a plurality of ejector pins; The support plate is slidingly arranged on the movable mold base along the direction perpendicular to the movable mold base; The ejector pins are vertically fixed on the support plate and penetrate through the second profiling area.

6. The injection mold for an electric vehicle control board of claim 5, wherein, A plurality of return springs are arranged between the support plate and the movable mold base, one end of the return spring is connected with the support plate, and the other end is connected with the movable mold base.

7. The injection mold for an electric vehicle control board of claim 5, wherein, The support plate is also provided with a plurality of inclined ejector pins, and the inclined ejector pins are inclinedly arranged on the support plate; The inclined ejector pins and the buckles on the back of the plastic panel are one-to-one corresponding, and the movable mold core is provided with an inclined ejector pin channel corresponding to each inclined ejector pin.

8. The injection mold for an electric vehicle control board of claim 1, wherein, A lock block is arranged between the movable mold and the fixed mold, and the two ends of the lock block are connected with the fixed mold and the movable mold through bolts.

9. The injection mold for an electric vehicle control board of claim 1, wherein, The buffer plate is provided with a guide hole, the movable mold base is provided with a guide column, and the guide column is slidingly inserted into the corresponding guide hole.