Tamper-proof locking mechanism of electric vehicle battery box mold

Abstract

The utility model belongs to the technical field of molds, and relates to a tamper-proof locking mechanism of an electric vehicle battery box mold. The electric vehicle battery box forming die comprises an electric vehicle battery box forming lower die and an electric vehicle battery box forming upper die. In the injection molding process, the side large-area penetrating grooves and side holes of the battery box plastic part can be synchronously formed through the side combined type groove hole forming assembly, the end hole positions of the battery box plastic part can be synchronously formed through the end hole forming part, and the bottom hole positions of the battery box plastic part can be synchronously formed through the bottom hole core-pulling part. Secondary punching processing is not needed, the working procedure is shortened, the production efficiency is improved, the structure that the two sides, the ends and the bottom are staggered is adopted, locking of hole position grooves during injection molding is guaranteed, the overall injection molding precision is high, mold opening is conducted after injection molding is completed, the side combined type groove hole forming assembly, the end hole forming piece and the bottom hole core pulling piece are moved towards the side away from a plastic piece, and the injection molding efficiency is improved. And the formed plastic part is ejected out through cooperation of the ejection alignment hole and the ejection rod, and the structure is compact and reasonable.

Description

TECHNICAL FIELD

[0001] The utility model belongs to mould technical field relates to a kind of electric vehicle battery box mould tamper-proof locking mechanism. BACKGROUND

[0002] Electric vehicle battery box can effectively protect the power battery in battery box, currently, electric vehicle battery box is combined by several battery box frames and side plates.Electric vehicle battery box plastic part main frame in the installation process, the hole slot of each part, large area through slot needs position very accurate, once position is tampered with, it is very influential subsequent assembly.Most of current electric vehicle battery box mould adopts drilling after injection molding to carry out hole finishing, this mode is difficult to ensure the hole slot of each part of plastic part, large area through slot position accuracy, affect plastic part subsequent assembly and quality.Therefore, it is urgent to design a kind of electric vehicle battery box mould tamper-proof locking mechanism that can overcome the above defects.

[0003] In order to overcome the deficiencies of the prior art, people have explored constantly, and proposed various kinds of solutions, such as Chinese patent discloses a kind of high-precision electric vehicle battery box injection mold [application number: 202121595812.7], it includes upper die plate and lower die plate, the upper die plate is equipped with upper forming surface, the lower die plate is equipped with combined insert structure, the combined insert structure is equipped with lower forming surface, the lower die plate is also provided with four side inserts arranged in rectangle along the combined insert structure circumferentially, the side insert inside is equipped with side forming surface.The forming cavity formed by the combination of upper forming surface, lower forming surface and side forming surface can be used for injection molding battery box.But the scheme is still difficult to accurately synchronize the position and shape of hole slot, large area through slot of each part of plastic part during injection molding, there is the defect that it is easy to affect plastic part subsequent assembly and quality. SUMMARY

[0004] The utility model aims at the above problem, provide a kind of electric vehicle battery box mould tamper-proof locking mechanism.

[0005] To achieve the above object, the utility model adopts the following technical scheme:

[0006] The application discloses an anti-tampering locking mechanism of an electric vehicle battery box mold.

[0007] In the anti-tampering locking mechanism of the electric vehicle battery box mold, the side combined slot hole forming assembly comprises fixed side seats arranged on both sides of the electric vehicle battery box forming upper mold, the fixed side seats are internally provided with side sliding supports which can move towards or away from one end of the electric vehicle battery box forming upper mold, the inner side of the side sliding supports is provided with a large square groove forming piece and a side hole forming piece, and the large square groove forming piece and the side hole forming piece are respectively in sliding fit with the electric vehicle battery box forming upper mold.

[0008] In the anti-tampering locking mechanism of the electric vehicle battery box mold, the large square groove forming piece comprises a large square groove forming column arranged on the inner side of the side sliding support, and the large square groove forming column is arranged opposite to the battery box forming protrusion.

[0009] In the anti-tampering locking mechanism of the electric vehicle battery box mold, the side hole forming piece comprises a plurality of side hole forming rods arranged on the inner side of the side sliding support, and the side hole forming rods are arranged opposite to the battery box forming protrusion.

[0010] In the anti-tampering locking mechanism of the electric vehicle battery box mold, the side hole forming rods and the large square groove forming column are arranged alternately.

[0011] In the anti-tampering locking mechanism of the electric vehicle battery box mold, the outer side of the fixed side seat is provided with a first oil cylinder, and the power shaft of the first oil cylinder is connected with the side sliding support.

[0012] In the anti-tampering locking mechanism of the electric vehicle battery box mold, the end hole forming piece comprises a fixed end seat arranged at the end of the electric vehicle battery box forming upper mold, the fixed end seat is internally provided with an end sliding support which can move towards or away from one end of the electric vehicle battery box forming upper mold, the inner side of the end sliding support is provided with a plurality of parallel end hole forming rods, and the end hole forming rods are in sliding fit with the electric vehicle battery box forming upper mold.

[0013] In the anti-tampering locking mechanism of the electric vehicle battery box mold, the outer side of the fixed end seat is provided with a second oil cylinder, and the power shaft of the second oil cylinder is connected with the end sliding support.

[0014] In the electric vehicle battery box mold anti-tampering locking mechanism, the forming panel is provided with two clamping groove forming protrusions, the electric vehicle battery box forming upper die is provided with two clamping groove forming grooves, and the clamping groove forming protrusions and the clamping groove forming grooves correspond in position and are matched in shape.

[0015] In the electric vehicle battery box mold anti-tampering locking mechanism, the bottom hole core pulling element comprises a plurality of bottom hole core pulling rods arranged on the electric vehicle battery box forming lower die.

[0016] Compared with the prior art, the electric vehicle battery box mold anti-tampering locking mechanism has the following advantages:

[0017] 1. In the injection molding process, the electric vehicle battery box forming lower die and the electric vehicle battery box forming upper die are moved close to each other, so that the battery box forming protrusion, the battery box forming cavity and the forming panel are attached to form a complete cavity, the molten material is injected into the cavity through the injection hole, the side part combined slot hole forming assembly can synchronously form the large-area through slot and the side hole of the battery box plastic part, the end hole forming element can synchronously form the end hole position of the battery box plastic part, and the bottom hole core pulling element can synchronously form the bottom hole position of the battery box plastic part, so that secondary punching processing is not required, the process is shortened, the production efficiency is improved, and the overall injection molding precision is high.

[0018] 2. In the injection molding process, the clamping groove forming protrusion cooperates with the clamping groove forming groove to synchronously form the clamping groove structure of the battery box plastic part, and secondary processing is not required.

[0019] Other advantages, objects and features of the utility model will be embodied in part through the following description, and will be understood by those skilled in the art through research and practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the structure schematic diagram of the utility model.

[0021] Figure 2 It is the local structure schematic diagram of the utility model.

[0022] Figure 3 It is the structure schematic diagram of the electric vehicle battery box forming lower die.

[0023] Figure 4 It is the structure schematic diagram of the electric vehicle battery box forming upper die.

[0024] Figure: electric vehicle battery box forming lower die 1, electric vehicle battery box forming upper die 2, injection hole 3, battery box forming protrusion 4, battery box forming concave cavity 5, forming panel 6, ejection alignment hole 7, side combined slot hole forming assembly 8, end hole forming piece 9, bottom hole core pulling piece 10, fixed side seat 11, side slide bracket 12, large square groove forming piece 13, side hole forming piece 14, large square groove forming column 15, side hole forming rod 144, first oil cylinder 16, fixed end seat 17, end slide bracket 18, end hole forming rod 19, second oil cylinder 20, clamping groove forming protrusion 21, clamping groove forming groove 22, bottom hole core pulling rod 23. DETAILED DESCRIPTION

[0025] The utility model is further described below in combination with the drawings.

[0026] As Figures 1-4 shown, an electric vehicle battery box mold anti-tampering locking mechanism, including electric vehicle battery box forming lower die 1 and electric vehicle battery box forming upper die 2, electric vehicle battery box forming upper die 2 is equipped with injection hole 3 in, electric vehicle battery box forming lower die 1 is equipped with battery box forming protrusion 4 in, electric vehicle battery box forming upper die 2 is equipped with battery box forming concave cavity 5 in, battery box forming protrusion 4 and battery box forming concave cavity 5 are equipped with forming panel 6 between, battery box forming protrusion 4 is equipped with ejection alignment hole 7 in, electric vehicle battery box forming upper die 2 is equipped with the side combined slot hole forming assembly 8 and end hole forming piece 9 that can reciprocate linear motion along horizontal direction in, electric vehicle battery box forming lower die 1 is equipped with bottom hole core pulling piece 10 on, bottom hole core pulling piece 10 and forming panel 6 are staggered.

[0027] In this embodiment, during injection molding, electric vehicle battery box forming lower die 1 and electric vehicle battery box forming upper die 2 are moved close to each other, so that battery box forming protrusion 4, battery box forming concave cavity 5 and forming panel 6 are attached to form a complete cavity, the molten material is injected into the cavity through injection hole 3, the side large-area through groove and side hole of the battery box plastic part can be formed synchronously through side combined slot hole forming assembly 8, the end hole of the battery box plastic part can be formed synchronously through end hole forming piece 9, the bottom hole of the battery box plastic part can be formed synchronously through bottom hole core pulling piece 10, without the need for secondary punching processing, the process is shortened, the production efficiency is improved, and the structure of the two sides, the end and the bottom is staggered, which ensures the locking of the hole and groove during injection molding, the overall injection molding precision is high, after injection molding, the mold is opened, side combined slot hole forming assembly 8, end hole forming piece 9 and bottom hole core pulling piece 10 are moved away from the plastic part side to realize core pulling, the formed plastic part is ejected through ejection alignment hole 7 cooperating with the ejector rod, and the structure is compact and reasonable.

[0028] In combination Figures 1-4As shown, the side combined slot forming assembly 8 includes fixed side seats 11 arranged on both sides of the electric vehicle battery box forming upper die 2, and the fixed side seats 11 are provided with side sliding supports 12 which can move towards or away from one end of the electric vehicle battery box forming upper die 2, and the inner side of the side sliding supports 12 is provided with large square groove forming pieces 13 and side hole forming pieces 14 which are respectively in sliding fit with the electric vehicle battery box forming upper die 2.

[0029] Specifically, the fixed side seats 11 are used to fix the side sliding supports 12, and the side sliding supports 12 can drive the large square groove forming pieces 13 and the side hole forming pieces 14 to move horizontally, and during injection molding, the large square groove forming pieces 13 can synchronously form the large-area through grooves of the side of the battery box plastic part, and the side hole forming pieces 14 can synchronously form the side holes of the battery box plastic part, without the need for secondary punching processing, thereby shortening the process and improving the production efficiency.

[0030] In combination Figure 1 , Figure 2 As shown, the large square groove forming piece 13 includes a large square groove forming column 15 arranged on the inner side of the side sliding support 12, and the large square groove forming column 15 is arranged opposite to the battery box forming protrusion 4.

[0031] In this embodiment, during injection molding, the large square groove forming column 15 can synchronously form the large-area through grooves of the side of the battery box plastic part.

[0032] The side hole forming piece 14 includes a plurality of side hole forming rods 144 arranged on the inner side of the side sliding support 12, and the side hole forming rods 144 are arranged opposite to the battery box forming protrusion 4.

[0033] In this embodiment, during injection molding, the side hole forming rods 144 can synchronously form the side holes of the battery box plastic part.

[0034] In combination Figure 2 As shown, the side hole forming rods 144 are staggered with the large square groove forming column 15.

[0035] In this embodiment, the side hole forming rods 144 are staggered with the large square groove forming column 15, and no collision interference occurs during core pulling, and the structure is compact and reasonable.

[0036] The outer side of the fixed side seat 11 is provided with a first oil cylinder 16, and the power shaft of the first oil cylinder 16 is connected with the side sliding support 12.

[0037] In this embodiment, the side sliding support 12 can be driven to move by the first oil cylinder 16, and the degree of automation is high.

[0038] The end hole forming part 9 comprises a fixed end seat 17 arranged at the end of the electric vehicle battery box forming upper die 2, the fixed end seat 17 is internally provided with an end sliding support 18 which can move towards or away from one end of the electric vehicle battery box forming upper die 2, the inner side of the end sliding support 18 is provided with a plurality of parallel end hole forming rods 19, and the end hole forming rods 19 are in sliding fit with the electric vehicle battery box forming upper die 2.

[0039] In the embodiment, the fixed end seat 17 is used to fix the end sliding support 18, the end sliding support 18 can drive the end hole forming rods 19 to move horizontally, and the end hole forming rods 19 can synchronously form the end hole positions of the battery box plastic parts.

[0040] As shown in Figure 2 As shown in the figure, the outer side of the fixed end seat 17 is provided with a second oil cylinder 20, and the power shaft of the second oil cylinder 20 is connected with the end sliding support 18.

[0041] In the embodiment, the end sliding support 18 can be driven to move by the second oil cylinder 20, and the automation degree is higher.

[0042] As shown in Figure 3 , Figure 4 As shown in the figure, the forming panel 6 is provided with two clamping groove forming protrusions 21, the electric vehicle battery box forming upper die 2 is internally provided with two clamping groove forming grooves 22, the clamping groove forming protrusions 21 and the clamping groove forming grooves 22 correspond in position and are matched in shape.

[0043] In the embodiment, in the injection molding process, the clamping groove forming protrusions 21 and the clamping groove forming grooves 22 are matched to synchronously form the clamping groove structure of the battery box plastic parts, and secondary processing is not needed.

[0044] As shown in Figure 4 As shown in the figure, the bottom hole core pulling part 10 comprises a plurality of bottom hole core pulling rods 23 arranged on the electric vehicle battery box forming lower die 1.

[0045] In the embodiment, in the injection molding process, the bottom hole core pulling rods 23 can synchronously form the bottom hole positions of the battery box plastic parts.

[0046] The working principle of the utility model is:

[0047] In the injection molding process, the electric vehicle battery box forming lower die 1 and the electric vehicle battery box forming upper die 2 are close to each other, so that the battery box forming protrusion 4, the battery box forming recess 5 and the forming panel 6 are matched to form a complete cavity, the molten material is injected into the cavity through the injection hole 3, the large groove forming column 15 and the side hole forming rod 144 can synchronously form the large area through groove and the side hole of the battery box plastic part, the end hole forming rod 19 can synchronously form the end hole of the battery box plastic part, and the bottom hole core pulling rod 23 can synchronously form the bottom hole of the battery box plastic part, without the need for secondary punching processing, the process is shortened, the production efficiency is improved, and the structure of the two sides, the end and the bottom is staggered, which ensures the locking of the hole and the groove during injection molding, the overall injection molding precision is high, after the injection molding is completed, the large groove forming column 15, the side hole forming rod 144, the end hole forming rod 19 and the bottom hole core pulling rod 23 are moved away from the plastic part side to realize core pulling, and the formed plastic part is ejected through the ejection alignment hole 7 matched with the ejector pin, the structure is compact and reasonable,

[0048] The side hole forming rod 144 is staggered with the large groove forming column 15, and collision interference does not occur during core pulling, and the structure is compact and reasonable,

[0049] The first oil cylinder 16 can drive the side sliding bracket 12 to move, and the second oil cylinder 20 can drive the end sliding bracket 18 to move, so that the automation degree is high,

[0050] In the injection molding process, the clamping groove forming protrusion 21 cooperates with the clamping groove forming groove 22 to synchronously form the clamping groove structure of the battery box plastic part, without the need for secondary processing.

[0051] The specific embodiments described herein are merely illustrative of the spirit of the utility model. Those skilled in the art to which the utility model belongs can make various modifications or supplements to the described specific embodiments or replace them with similar ways, but will not deviate from the spirit of the utility model.

[0052] Although the terms electric vehicle battery box forming lower die 1, electric vehicle battery box forming upper die 2, injection hole 3, battery box forming protrusion 4, battery box forming recess 5, forming panel 6, ejection alignment hole 7, side combined groove hole forming assembly 8, end hole forming part 9, bottom hole core pulling part 10, fixed side seat 11, side sliding bracket 12, large groove forming part 13, side hole forming part 14, large groove forming column 15, side hole forming rod 144, first oil cylinder 16, fixed end seat 17, end sliding bracket 18, end hole forming rod 19, second oil cylinder 20, clamping groove forming protrusion 21, clamping groove forming groove 22, bottom hole core pulling rod 23 and the like are used more in this paper, but the possibility of using other terms is not excluded. Using these terms is only to describe and explain the essence of the utility model more conveniently, and it is against the spirit of the utility model to interpret them as any kind of additional limitation.

Claims

1. An electric vehicle battery box mold anti-tampering locking mechanism, comprising an electric vehicle battery box forming lower mold (1) and an electric vehicle battery box forming upper mold (2), characterized in that, The electric vehicle battery box forming upper die (2) is provided with an injection hole (3), the electric vehicle battery box forming lower die (1) is provided with a battery box forming protrusion (4), the electric vehicle battery box forming upper die (2) is provided with a battery box forming recess (5), the battery box forming protrusion (4) and the battery box forming recess (5) are provided with a forming panel (6), the battery box forming protrusion (4) is provided with an ejection alignment hole (7), the electric vehicle battery box forming upper die (2) is provided with a side combined slot hole forming assembly (8) and an end hole forming piece (9) which can move linearly along the horizontal direction, the electric vehicle battery box forming lower die (1) is provided with a bottom hole core pulling piece (10), and the bottom hole core pulling piece (10) is staggered with the forming panel (6).

2. The motor car battery case mold tamper-proof locking mechanism according to claim 1, characterized by, The side combined slot hole forming assembly (8) comprises fixed side seats (11) arranged on both sides of the electric vehicle battery box forming upper die (2), the fixed side seats (11) are provided with side sliding supports (12) which can move towards or away from one end of the electric vehicle battery box forming upper die (2), the inner side of the side sliding supports (12) is provided with a large square groove forming piece (13) and a side hole forming piece (14), and the large square groove forming piece (13) and the side hole forming piece (14) are respectively slidably connected with the electric vehicle battery box forming upper die (2).

3. The motor car battery case mold tamper-proof locking mechanism according to claim 2, characterized by, The large square groove forming piece (13) comprises a large square groove forming column (15) arranged on the inner side of the side sliding support (12), and the large square groove forming column (15) is arranged opposite to the battery box forming protrusion (4).

4. The motor car battery case mold tamper-proof locking mechanism according to claim 3, characterized by, The side hole forming piece (14) comprises a plurality of side hole forming rods (144) arranged on the inner side of the side sliding support (12), and the side hole forming rods (144) are arranged opposite to the battery box forming protrusion (4).

5. The motor car battery case mold tamper-proof locking mechanism according to claim 4, characterized in that, The side hole forming rods (144) are staggered with the large square groove forming column (15).

6. The motor car battery case mold tamper-proof locking mechanism according to claim 5, characterized in that, The outer side of the fixed side seat (11) is provided with a first oil cylinder (16), and the power shaft of the first oil cylinder (16) is connected with the side sliding support (12).

7. The motor vehicle battery pack tamperproof lockout mechanism of claim 6, wherein, The end hole forming piece (9) comprises a fixed end seat (17) arranged at the end of the electric vehicle battery box forming upper die (2), the fixed end seat (17) is provided with an end sliding support (18) which can move towards or away from one end of the electric vehicle battery box forming upper die (2), the inner side of the end sliding support (18) is provided with a plurality of end hole forming rods (19) which are parallel to each other, and the end hole forming rods (19) are slidably connected with the electric vehicle battery box forming upper die (2).

8. The motor car battery case mold tamper-proof locking mechanism according to claim 7, characterized in that, The outer side of the fixed end seat (17) is provided with a second oil cylinder (20), and the power shaft of the second oil cylinder (20) is connected with the end sliding support (18).

9. The motor car battery case mold tamper-proof locking mechanism according to claim 8, characterized by, The forming panel (6) is provided with two clamping groove forming protrusions (21), the electric vehicle battery box forming upper die (2) is provided with two clamping groove forming recesses (22), the clamping groove forming protrusions (21) and the clamping groove forming recesses (22) correspond in position and are matched in shape.

10. The motor vehicle battery pack tamperproof lockout mechanism of claim 9, wherein, The bottom hole core pulling piece (10) comprises a plurality of bottom hole core pulling rods (23) arranged on the electric vehicle battery box forming lower die (1).

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