Die for bottom plate of energy storage box body of new energy automobile

Abstract

The utility model provides a new energy automobile energy storage box body bottom plate die which comprises a lower die and is characterized in that a die cavity is formed in the lower die, four supporting columns are arranged on the upper surface of the lower die, a top plate is arranged on the tops of the supporting columns and fixedly connected with the supporting columns, and the supporting columns are arranged on the upper surface of the lower die. An electric hydraulic telescopic cylinder is arranged on the upper surface of the top plate, a hydraulic telescopic rod is arranged at the output end of the electric hydraulic telescopic cylinder, and an upper mold is arranged at the tail end of the hydraulic telescopic rod; an ejection device is arranged in the lower mold, after a product is formed, when a motor drives a threaded rod to rotate, a movable plate in threaded connection with the threaded rod can do lifting motion along a guide rod, and at the moment, the movable plate is used for pushing the formed product out of a mold cavity; therefore, the molded product is easily ejected out of the mold cavity, the demolding process is simplified, the situation that the product needs to be taken out of the mold manually is avoided, and the working efficiency is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of molds, in particular to a mold for the bottom plate of an energy storage box of a new energy vehicle. Background Art

[0002] With the rapid development of the new energy vehicle industry, the manufacturing quality and efficiency of energy storage boxes have become one of the key factors affecting the performance of the whole vehicle. As an important part of the energy storage system, the manufacturing accuracy and strength of the bottom plate of the energy storage box are directly related to the stability and safety of the battery pack;

[0003] The existing Chinese patent document CN200920094440.2 discloses a front spreading aluminum profile extrusion die, which is composed of a circular extrusion cylinder, a spreading die and a forming die. The spreading die is placed between the forming die and the circular extrusion cylinder, and the middle part of its die cavity is narrowed by 25%-40% compared with the left and right ends of the die cavity. The expansion angle formed by the upper conical surface of the die cavity and the axis is 18-25°. The pressure relief angle formed by the lower conical surface of the die cavity and the axis is 10-20°. The utility model omits the extrusion flat cylinder, has a good spreading effect of the ingot blank during extrusion, and improves the quality of the profile; this structure can reduce the extrusion force, prolong the service life of the die, and reduce the production cost.

[0004] However, the above patent has certain defects in use. After the device is extrusion-molded, it is necessary to manually take out the finished product from the mold, with low efficiency and high manual intensity;

[0005] Therefore, a mold for the bottom plate of an energy storage box of a new energy vehicle is proposed here to solve the above problems. Summary of the Utility Model

[0006] In order to overcome the deficiencies of the prior art, the utility model provides a spreading die for the bottom plate of an energy storage box of a new energy vehicle.

[0007] The utility model is realized by adopting the following technical solutions:

[0008] A mold for the bottom plate of an energy storage box of a new energy vehicle, including a lower mold, a die cavity is arranged inside the lower mold, four support columns are arranged on the upper surface of the lower mold, a top plate is arranged at the top of the support columns, and the top plate is fixedly connected with the support columns;

[0009] An electric hydraulic telescopic cylinder is arranged on the upper surface of the top plate, a hydraulic telescopic rod is arranged at the output end of the electric hydraulic telescopic cylinder, the hydraulic telescopic rod extends to the lower end of the top plate, and an upper mold is arranged at the end of the hydraulic telescopic rod;

[0010] A top-out device is arranged inside the lower mold, and the top-out device is used to top out the formed product from the lower mold.

[0011] The ejecting device includes a moving plate and a motor. The moving plate is arranged in the mold cavity. At each of the four top corners of the moving plate, three guide rods and one threaded rod are respectively provided. One end of each guide rod is fixed to the bottom of the mold cavity. The guide rods penetrate through the moving plate, and the moving plate is threadedly connected to the threaded rod.

[0012] The motor is fixed to the bottom of the lower mold, and the threaded rod is fixedly connected to the output end of the motor.

[0013] Sliding grooves are provided around the inner wall of the lower mold. Moving blocks are arranged in the sliding grooves. The moving blocks are sleeved on the guide rods and the threaded rod. Threads are provided on the inner wall of the moving blocks on the threaded rod, and they are threadedly connected to the threaded rod.

[0014] Limit plates are provided at the tops of the guide rods, and limit plates are provided at the tops of the threaded rods. The limit plates are fixedly connected to the guide rods and the threaded rods.

[0015] A base is provided at the lower end of the lower mold. A plurality of connecting columns are provided between the base and the lower mold. There are four connecting columns, which are fixed around the lower end of the lower mold.

[0016] The utility model has the following beneficial effects compared with the prior art:

[0017] 1. By arranging an ejecting device inside the lower mold, when the product is formed, when the motor drives the threaded rod to rotate, the moving plate threadedly connected to the threaded rod will move up and down along the guide rods. At this time, the moving plate is used to push the formed product out of the mold cavity, so as to easily eject the formed product from the mold cavity, simplify the demolding process, avoid the need to manually take out the product from the mold, and greatly improve the work efficiency. Description of the Drawings

[0018] Figure 1 is the overall three-dimensional structure schematic diagram of the utility model;

[0019] Figure 2 is the front structure schematic diagram of the utility model;

[0020] Figure 3 is the three-dimensional structure explosion schematic diagram of the utility model;

[0021] Figure 4 is the three-dimensional structure schematic diagram of the lower mold of the utility model;

[0022] In the figure: 1. Base; 2. Lower mold; 21. Sliding groove; 22. Mold cavity; 3. Connecting column; 4. Support column; 5. Top plate; 6. Electric hydraulic telescopic cylinder; 61. Upper mold; 62. Hydraulic telescopic rod; 7. Moving plate; 71. Moving block; 8. Guide rod; 81. Limit plate; 9. Motor; 91. Threaded rod. Detailed Implementation Modes

[0023] Next, in combination with the accompanying drawings and specific embodiments, the present utility model will be further described. It should be noted that, on the premise of non - conflict, the following - described embodiments or technical features can be arbitrarily combined to form new embodiments.

[0024] The following further explains the present utility model in conjunction with the accompanying drawings.

[0025] As Figures 1 to 4 shown, a mold for the bottom plate of an energy - storage box of a new - energy vehicle includes a lower mold 2. The inner part of the lower mold 2 is provided with a cavity 22, and the cavity 22 is used to accommodate and form the bottom plate of the energy - storage box. Four support columns 4 are arranged on the upper surface of the lower mold 2 to form a stable frame structure. The top of the support column 4 is provided with a top plate 5, and the top plate 5 is fixedly connected to the support column 4; the support column 4 also bears various forces and pressures during the mold - closing, mold - opening and production processes of the mold, ensuring the overall stability and firmness of the mold.

[0026] An electro - hydraulic telescopic cylinder 6 is arranged on the upper surface of the top plate 5. The output end of the electro - hydraulic telescopic cylinder 6 is provided with a hydraulic telescopic rod 62. The hydraulic telescopic rod 62 extends to the lower end of the top plate 5, and the end of the hydraulic telescopic rod 62 is provided with an upper mold 61. The electro - hydraulic telescopic cylinder 6 is the driving device of the mold. It drives a hydraulic pump to generate hydraulic energy through a motor 9, and then drives the hydraulic telescopic rod 62 to perform telescopic movement. The electro - hydraulic telescopic cylinder 6 is used to drive the upper mold 61 to move up and down to realize the mold - closing and mold - opening operations with the lower mold 2.

[0027] An ejection device is arranged inside the lower mold 2, and the ejection device is used to eject the formed product from the lower mold 2.

[0028] The ejection device includes a moving plate 7 and a motor 9. The moving plate 7 is arranged in the cavity 22. Three guide rods 8 and a threaded rod 91 are respectively arranged at the four top corners of the moving plate 7. One end of the guide rod 8 is fixed at the bottom of the cavity 22, and the guide rod 8 penetrates through the moving plate 7. The moving plate 7 is in threaded connection with the threaded rod 91;

[0029] The motor 9 is fixed at the bottom of the lower mold 2, and the threaded rod 91 is fixedly connected to the output end of the motor 9.

[0030] To enhance the connection stability between the guide rod 8 and the threaded rod 91 and the moving plate 7, sliding grooves 21 are arranged around the inner wall of the lower mold 2. Moving blocks 71 are arranged in the sliding grooves 21. The moving blocks 71 are sleeved on the guide rod 8 and the threaded rod 91. Threads are arranged on the inner wall of the moving block 71 on the threaded rod 91, and it is in threaded connection with the threaded rod 91.

[0031] To prevent the moving plate 7 from disengaging from the guide rod 8 and the threaded rod 91 during the lifting process, a limiting plate 81 is provided at the top of the guide rod 8, and a limiting plate 81 is provided at the top of the threaded rod 91. The limiting plate 81 is fixedly connected to the guide rod 8 and the threaded rod 91, and the limiting plate 81 plays a role in limiting and supporting.

[0032] To enhance the overall stability of the mold, a base 1 is provided at the lower end of the lower mold 2, and a plurality of connecting columns 3 are provided between the base 1 and the lower mold 2. There are four connecting columns 3, which are fixed around the lower end of the lower mold 2.

[0033] The working principle of the present utility model is as follows: During use, the bottom plate to be expanded is placed in the mold cavity 22 of the lower mold 2. The electric hydraulic telescopic cylinder 6 is started, and the motor 9 drives the hydraulic pump to work, driving the hydraulic telescopic rod 62 to extend downward. The end of the hydraulic telescopic rod 62 is connected to the upper mold 61. As the hydraulic telescopic rod 62 extends, the upper mold 61 gradually moves downward. When the upper mold 61 is in close contact with the lower mold 2, the mold closing is completed, and the bottom plate is extruded and expanded.

[0034] After forming, the electric hydraulic telescopic cylinder 6 works in the reverse direction, driving the hydraulic telescopic rod 62 to retract upward, and the upper mold 61 moves upward accordingly, separating from the lower mold 2, and the mold cavity 22 is opened. The motor 9 of the ejection device is started, and the motor 9 drives the threaded rod 91 to rotate. The moving plate 7 threadedly connected to the threaded rod 91 moves upward under the guidance of the guide rod 8, and the moving plate 7 ejects the formed energy storage box bottom plate from the mold cavity 22, greatly improving the work efficiency.

[0035] The above embodiments are only the preferred embodiments of the present utility model, and cannot be used to limit the scope of protection of the present utility model. Any non-substantial changes and substitutions made by those skilled in the art based on the present utility model fall within the scope of protection required by the present utility model.

Claims

1. A mold for the bottom plate of an energy storage box of a new energy vehicle, including a lower mold, characterized in that: The inner part of the lower mold is provided with a mold cavity. The upper surface of the lower mold is provided with four support columns. The top of the support columns is provided with a top plate, and the top plate is fixedly connected to the support columns; The upper surface of the top plate is provided with an electric hydraulic telescopic cylinder. The output end of the electric hydraulic telescopic cylinder is provided with a hydraulic telescopic rod. The hydraulic telescopic rod extends to the lower end of the top plate, and the end of the hydraulic telescopic rod is provided with an upper mold; The inner part of the lower mold is provided with an ejection device, and the ejection device is used to eject the formed product from the lower mold.

2. The mold for the energy storage box bottom plate of a new energy vehicle according to claim 1, wherein: The ejection device includes a moving plate and a motor. The moving plate is arranged in the mold cavity. At the four corners of the moving plate, three guide rods and a threaded rod are respectively arranged. One end of the guide rod is fixed at the bottom of the mold cavity. The guide rod penetrates through the moving plate, and the moving plate is threadedly connected with the threaded rod; The motor is fixed at the bottom of the lower mold, and the threaded rod is fixedly connected to the output end of the motor.

3. The mold for the bottom plate of the energy storage box of a new energy vehicle according to claim 2, characterized in that: Sliding grooves are arranged around the inner wall of the lower mold. Moving blocks are arranged in the sliding grooves. The moving blocks are sleeved on the guide rods and the threaded rod. Threads are arranged on the inner walls of the moving blocks on the threaded rod, and the moving blocks are threadedly connected with the threaded rod.

4. A mold for the bottom plate of a new energy vehicle energy storage box according to claim 3, characterized in that: Limit plates are arranged at the tops of the guide rods and the threaded rod. The limit plates are fixedly connected to the guide rods and the threaded rod.

5. The mold for the bottom plate of the energy storage box of a new energy vehicle according to claim 4, characterized in that: A base is arranged at the lower end of the lower mold. A plurality of connecting columns are arranged between the base and the lower mold. There are four connecting columns, which are fixed around the lower end of the lower mold.

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