New energy automobile motor shell box hand plate part mold and use method of new energy automobile motor shell box hand plate part mold

Abstract

The invention relates to the field of molds, in particular to a new energy automobile motor shell box hand plate mold and a using method thereof.The new energy automobile motor shell box hand plate mold comprises an upper injection mold and a lower injection mold installed at the lower end of the upper injection mold, a plurality of air holes are formed in the lower end of the lower injection mold in a penetrating mode, and a base is arranged below the lower injection mold; a gas shell is fixedly installed at the upper end of the base, a rubber pad is fixedly installed on the upper end face of the gas shell and tightly attached to the lower end of the lower injection mold, a gas hole corresponds to the interior of the gas shell, the rear end of the gas shell is fixedly communicated with a gas inlet pipe, and protective mold fixing pieces are installed at the edges of the two sides of the upper end of the base. Limiting corners are installed on the lower portions of the corners of the lower injection mold in an attached mode and fixed to the base. According to the mold, the research and development cost of the product is reduced, meanwhile, the use convenience is ensured, and the safety during demolding and the protection strength on the product are improved.

Description

Technical Field

[0001] The present invention relates to the field of moulds, and in particular to a mould for a motor housing case of a new energy vehicle and a method for using the mould. Background Art

[0002] Prototypes are samples of products, mainly used to verify the feasibility of product design, while prototype molds are molds made based on prototypes. They are special tools for making prototypes. When making prototypes for new energy vehicle motor housings, a corresponding prototype injection mold is often made based on the shape of the motor housing.

[0003] In order to facilitate demoulding of the manufactured hand-type products, the hand-type injection mold is usually equipped with an ejector mechanism to eject the product for demoulding. However, in actual use, since the product is a hand-type part, it is necessary to conduct multiple feasibility verifications after production. If the verification fails, the product needs to be improved. At this time, the original hand-type injection mold cannot be used, and a new hand-type injection mold needs to be made based on the improved product. In this process, since the mold and the ejector mechanism for demoulding are used in conjunction with each other, a complete set needs to be replaced when replacing, which greatly increases the product research and development cost. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings existing in the background technology and to propose a new energy vehicle motor housing case hand-made mold and a method of using the same.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a new energy vehicle motor housing case hand-type component mold, comprising an injection molding upper mold and an injection molding lower mold installed at the lower end of the injection molding upper mold, the lower end of the injection molding lower mold is penetrated with a plurality of air holes, a base is arranged below the injection molding lower mold, an air shell is fixedly installed on the upper end of the base, a rubber pad is fixedly installed on the upper end surface of the air shell, the rubber pad is tightly attached to the lower end of the injection molding lower mold, the air holes correspond to the interior of the air shell, the rear end of the air shell is fixedly connected to an air intake pipe, protective mold parts are installed at the edges of both sides of the upper end of the base, a limiting angle is fitted at the lower part of the corner of the injection molding lower mold, and the limiting angle is fixed to the base.

[0006] Preferably, the protective mold component includes a concave frame elastically mounted on the edges of both sides of the upper end of the base, and gears are rotatably mounted on the ends of the two concave frames, and the opposite ends of the two gears are meshed with upper toothed plates, and the opposite ends of the two gears are meshed with lower toothed plates.

[0007] Preferably, guide blocks are slidably mounted on the front and rear end surfaces of the upper tooth plate and the front and rear end surfaces of the lower tooth plate, and the ends of the guide blocks are fixed to the concave frames. A fixed column frame is provided on the side of the lower tooth plate, and the ends of the fixed column frame are fixed to the guide blocks. A guide column is embedded in the middle of the fixed column frame, and a guide frame is fitted on the outer surface of the guide column, and one end of the guide frame is fixed to the lower tooth plate.

[0008] Preferably, a No. 2 limit cap is coaxially inlaid on the lower end of the guide column, the guide frame is fitted to the upper end of the No. 2 limit cap, a No. 2 return spring is wound around the outer side of the guide column, one end of the No. 2 return spring is fixed to the lower end of the fixed column frame, and the other end of the No. 2 return spring is fixed to the upper end of the guide frame.

[0009] Preferably, two frame guide columns are symmetrically and slidably installed through the lower part of the concave frame, one end of the frame guide column is fixedly installed with a fixing seat, the fixing seat is fixed to the base, the other end of the frame guide column is coaxially inlaid with a No. 1 limiting cap, the No. 1 limiting cap is attached to one side of the concave frame, and a No. 1 return spring is wound around the outer side of the frame guide column, one end of the No. 1 return spring is fixed to the fixing seat, and the other end of the No. 1 return spring is fixed to the other side of the concave frame.

[0010] Preferably, square support rods are fixedly installed on both sides of the base, and a T-shaped frame is fitted on the outer front of one of the square support rods and the outer rear of the other square support rod, a side guide plate is fixedly installed on one end of the T-shaped frame, a wheel seat is fixedly installed on the middle part of one side of the concave frame, a top wheel No. 1 is installed on the end of the wheel seat, and the top wheel No. 1 corresponds to the side guide plate, an upper guide plate is fixedly installed on the other end of the T-shaped frame, and a top wheel No. 2 is installed on the other end of the guide frame.

[0011] Preferably, a threaded rod is rotatably installed in the middle of the upper end of the base, and both ends of the threaded rod extend from the front and rear ends of the base. The threads at both ends of the threaded rod are symmetrically arranged, and both ends of the threaded rod are tightened with threaded sleeves. A pushing frame is fixedly installed on the side of the T-shaped frame, and the end of the pushing frame is fixed to the threaded sleeve. A servo motor is fixedly installed at the rear end of the base, and the output end of the servo motor is fixed to the threaded rod.

[0012] Preferably, a center column is slidably installed through the end of the L-shaped frame, a rubber cap is fixedly installed on the lower end surface of the center column, an anti-slip ring is coaxially inlaid on the upper end of the center column, the anti-slip ring is attached to the upper end of the L-shaped frame, a buffer spring is fixedly installed on the lower end of the L-shaped frame, the center column passes through the interior of the buffer spring, and the end of the buffer spring is fixed to the lower end of the center column.

[0013] A method for using a new energy vehicle motor housing case hand-made mold is also provided, including the following steps: S1: Place the opened lower mold on the air shell, and the limiting angle fits the corner of the lower mold to limit the lower mold; S2: Then the servo motor drives the threaded rod to rotate, so that the center column is close to the top of the molded product in the lower injection mold, and at the same time the upper tooth plate moves downward to press the edges of both sides of the lower injection mold, so that the lower injection mold is close to the air shell; S3: Then, the air shell is inflated through the air inlet pipe to allow the gas to enter the air holes to push the molded product in the lower injection mold to lift it up and complete demoulding.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. Place the lower mold on the air shell. At this time, the limit angle fits the corner of the lower mold to limit the lower mold. Then the threaded rod rotates to drive the two threaded sleeves to move toward each other, and then the T-shaped frame is driven to slide on the square support rod through the push frame. At this time, the side guide plate on the T-shaped frame will use its own inclined surface to push the No. 1 top wheel, so that the concave frame can slide on the frame guide column and move sideways, so that the upper tooth plate can move to the top of the lower mold. Then the T-shaped frame continues to move. At this time, the No. 1 top wheel rolls on the plane area of ​​the side guide plate, and at the same time, the upper guide plate uses its own inclined surface to push the No. 2 top wheel, so that the lower tooth plate can move up. The gear is driven to rotate, thereby driving the upper tooth plate to move downward, and the two side edges of the injection lower mold are pressed tightly, so that the injection lower mold is close to the air shell, and then air is inflated into the air shell through the air inlet pipe, allowing the gas to enter the air hole to push the molded product in the injection lower mold to lift it up and complete the demoulding. Demolding by this method can be carried out if the product is unqualified and the mold is remade after improvement. Only the injection lower mold needs to be replaced, and the demoulding component is not replaced, thereby effectively reducing the research and development cost of the product. At the same time, during the demoulding process, there is no need for workers to manually fix the mold, which effectively ensures the ease of use.

[0015] 2. When the threaded sleeve drives the T-shaped frame to move, it will also drive the center column on the L-shaped frame to move synchronously, so that it is close to the top of the molded product in the lower injection mold, so that when the gas lifts the product, the center column can block the product to avoid the product flying out due to excessive air pressure, thereby improving the safety during demoulding and the protection of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a partial view of the present invention; Figure 3 It is a schematic diagram of the L-shaped frame of the present invention; Figure 4 is an internal view of the gas shell of the present invention; Figure 5 It is a schematic diagram of the gear of the present invention; Figure 6 For the present invention Figure 5 A magnified view of middle; Figure 7 It is a schematic diagram of a T-shaped frame of the present invention.

[0017] In the attached drawings, the parts represented by the various reference numerals are as follows: 1. Injection upper mold; 2. Injection lower mold; 3. Base; 4. Threaded rod; 5. Limit angle; 6. Push frame; 7. Square support rod; 8. Gear; 9. Air shell; 10. Rubber pad; 11. Air hole; 12. Servo motor; 13. Inlet pipe; 14. Center column; 15. L-shaped frame; 16. Threaded sleeve; 17. Fixed seat; 18. No. 1 return spring; 19. No. 1 Limiting cap; 20, frame guide column; 21, concave frame; 22, wheel seat; 23, top wheel No. 1; 24, T-shaped frame; 25, upper guide plate; 26, side guide plate; 27, anti-slip ring; 28, rubber cap; 29, buffer spring; 30, limiting cap No. 2; 31, guide frame; 32, reset spring No. 2; 33, top wheel No. 2; 34, column fixing frame; 35, guide column; 36, lower tooth plate; 37, upper tooth plate; 38, guide block. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] The present invention provides a technical solution: Figure 1 - Figure 7The new energy vehicle motor housing case hand-made mold shown includes an injection molding upper mold 1 and an injection molding lower mold 2 installed at the lower end of the injection molding upper mold 1. The cavities of the injection molding upper mold 1 and the injection molding lower mold 2 are adapted to the appearance of the new energy vehicle motor housing case hand-made mold, so that it can produce products that meet the standards. A plurality of air holes 11 are opened through the lower end of the injection molding lower mold 2. The air holes 11 are used for demoulding. When the product verification fails and a new mold is remade, when the distribution of the air holes 11 on the new mold changes, the gas in the air shell 9 can still enter the air holes 11 to complete the demoulding, thereby ensuring the normal demoulding. A base 3 is arranged below the injection molding lower mold 2, and an air shell 9 is fixedly installed on the upper end of the base 3. The upper end surface of the air shell 9 is fixed A rubber pad 10 is installed, and the rubber pad 10 serves to improve the sealing between the air shell 9 and the injection lower mold 2. The rubber pad 10 is tightly attached to the lower end of the injection lower mold 2, and the air hole 11 corresponds to the interior of the air shell 9. The rear end of the air shell 9 is fixedly connected with an air inlet pipe 13, and the air inlet pipe 13 can be connected to an external air pump to achieve the purpose of delivering gas into the air shell 9. Since using an air pump for air delivery is a prior art and has been widely used, it is not elaborated here and is not shown in the figure. Protective mold parts are installed at the edges of both sides of the upper end of the base 3, and a limiting angle 5 is installed at the lower part of the corner of the injection lower mold 2. The limiting angle 5 makes the injection lower mold 2 correspond to the upper end of the air shell 9, and the limiting angle 5 is fixed to the base 3.

[0020] The protective mold component includes a concave frame 21 elastically mounted on the edges of both sides of the upper end of the base 3. Gears 8 are rotatably mounted at the ends of the two concave frames 21. The concave frames 21 serve to carry the gears 8. The opposite ends of the two gears 8 are meshed with upper toothed plates 37, and the opposite ends of the two gears 8 are meshed with lower toothed plates 36. The lower toothed plates 36 can move upward to drive the gears 8 to rotate, thereby driving the upper toothed plates 37 to move downward, thereby pressing the edges of both sides of the injection lower mold 2, so that the injection lower mold 2 is tightly attached to the air shell 9.

[0021] Guide blocks 38 are slidably mounted on the front and rear end surfaces of the upper tooth plate 37 and the front and rear end surfaces of the lower tooth plate 36. The guide blocks 38 guide the lower tooth plate 36 and the upper tooth plate 37. The ends of the guide blocks 38 are fixed to the concave frame 21. A solid column frame 34 is provided on the side of the lower tooth plate 36. The ends of the solid column frame 34 are fixed to the guide blocks 38. A guide column 35 is embedded in the middle of the solid column frame 34. The solid column frame 34 fixes the guide column 35. A guide frame 31 is fitted on the outer surface of the guide column 35. One end of the guide frame 31 is fixed to the lower tooth plate 36. The guide frame 31 supports the No. 2 top wheel 33.

[0022] A No. 2 limit cap 30 is coaxially inlaid on the lower end of the guide column 35, and the guide frame 31 is fitted to the upper end of the No. 2 limit cap 30. The No. 2 limit cap 30 limits the reset height of the lower tooth plate 36 and the No. 2 top wheel 33. A No. 2 reset spring 32 is wound around the outer side of the guide column 35. One end of the No. 2 reset spring 32 is fixed to the lower end of the fixed column frame 34, and the other end of the No. 2 reset spring 32 is fixed to the upper end of the guide frame 31. The No. 2 reset spring 32 resets the lower tooth plate 36 after movement.

[0023] Two frame guide columns 20 are symmetrically and slidably installed through the lower part of the concave frame 21, and a fixing seat 17 is fixedly installed at one end of the frame guide column 20, and the frame guide column 20 plays a role in guiding the concave frame 21. The fixing seat 17 is fixed to the base 3, and the fixing seat 17 plays a role in fixing the frame guide column 20. The other end of the frame guide column 20 is coaxially inlaid with a No. 1 limiting cap 19, and the No. 1 limiting cap 19 is attached to one side of the concave frame 21, and the No. 1 limiting cap 19 plays a role in limiting the reset position of the concave frame 21. A No. 1 return spring 18 is wound around the outer side of the frame guide column 20, and one end of the No. 1 return spring 18 is fixed to the fixing seat 17, and the other end of the No. 1 return spring 18 is fixed to the other side of the concave frame 21, and the No. 1 return spring 18 plays a role in resetting the concave frame 21 after moving.

[0024] Square support rods 7 are fixedly installed on both sides of the base 3, and a T-shaped frame 24 is fitted on the outer front of one square support rod 7 and the outer rear of the other square support rod 7. The square support rod 7 plays a role in guiding the T-shaped frame 24. A side guide plate 26 is fixedly installed on one end of the T-shaped frame 24. A wheel seat 22 is fixedly installed in the middle of one side of the concave frame 21. A top wheel 23 is installed at the end of the wheel seat 22. The wheel seat 22 plays a role in carrying the top wheel 23. The side guide plate 26 plays a role in pushing the top wheel 23. The top wheel 23 corresponds to the side guide plate 26. The other end of the T-shaped frame 24 is fixedly installed There is an upper guide plate 25, which plays a role in pushing the No. 2 top wheel 33. The other end of the guide frame 31 is installed with the No. 2 top wheel 33. The T-shaped frame 24 slides on the square support rod 7 to drive the side guide plate 26 to move, so that it uses its own inclined surface to push the No. 1 top wheel 23, so that the concave frame 21 can slide on the frame guide column 20 and move sideways, so that the upper toothed plate 37 can move to the top of the injection lower mold 2, and then the T-shaped frame 24 continues to move. At this time, the No. 1 top wheel 23 rolls on the plane area of ​​the side guide plate 26, and at the same time, the upper guide plate 25 uses its own inclined surface to push the No. 2 top wheel 33, so that the lower toothed plate 36 can move up.

[0025] A threaded rod 4 is rotatably installed in the middle of the upper end of the base 3, and both ends of the threaded rod 4 extend from the front and rear ends of the base 3. The threads at both ends of the threaded rod 4 are symmetrically arranged, and threaded sleeves 16 are tightened at both ends of the threaded rod 4. The threaded rod 4 plays a role in driving the two threaded sleeves 16 to move toward each other. A pushing frame 6 is fixedly installed on the side of the T-shaped frame 24, and the end of the pushing frame 6 is fixed to the threaded sleeve 16. The pushing frame 6 plays a role in fixing the pushing frame 6 and the T-shaped frame 24 together. A servo motor 12 is fixedly installed at the rear end of the base 3, and the output end of the servo motor 12 is fixed to the threaded rod 4, and the servo motor 12 plays a role in driving the threaded rod 4 to rotate.

[0026] The end of the L-shaped frame 15 passes through a center column 14 that is slidably installed. The center column 14 can block the product to prevent the product from flying out due to excessive air pressure. A rubber cap 28 is fixedly installed on the lower end face of the center column 14. The rubber cap 28 can prevent the product from colliding with the center column 14 and being damaged. An anti-slip ring 27 is coaxially inlaid on the upper end of the center column 14. The anti-slip ring 27 is attached to the upper end of the L-shaped frame 15. The anti-slip ring 27 prevents the center column 14 and the L-shaped frame 15 from separating. A buffer spring 29 is fixedly installed on the lower end of the L-shaped frame 15. The center column 14 passes through the interior of the buffer spring 29. The buffer spring 29 can be deformed when the product collides with the center column 14 to reduce the impact force and prevent product damage. The end of the buffer spring 29 is fixed to the lower end of the center column 14.

[0027] A method for using a new energy vehicle motor housing case hand-made mold is also provided, including the following steps: S1: placing the opened lower mold 2 on the gas shell 9, and the limiting angle 5 is fitted to the corner of the lower mold 2 to limit the lower mold 2; S2: Then the servo motor 12 drives the threaded rod 4 to rotate, so that the central column 14 is close to the top of the molded product in the injection lower mold 2, and at the same time the upper tooth plate 37 moves downward to press the edges of both sides of the injection lower mold 2, so that the injection lower mold 2 is closely attached to the gas shell 9; S3: Then, the air shell 9 is inflated through the air inlet pipe 13, and the gas is allowed to enter the air hole 11 to push the molded product in the lower injection mold 2 to lift it up and complete demoulding.

[0028] When in use, the molten metal for making the motor housing can be injected into the injection molding upper mold 1 and the injection molding lower mold 2, and the mold is opened after cooling and forming, and then the injection molding lower mold 2 after the mold is opened is placed on the gas shell 9. At this time, the limit angle 5 is fitted at the corner of the injection molding lower mold 2 to limit the injection molding lower mold 2. Then the threaded rod 4 rotates to drive the two threaded sleeves 16 to move toward each other, and then the T-shaped frame 24 is driven to slide on the square support rod 7 through the pushing frame 6. At this time, the side guide plate 26 on the T-shaped frame 24 will use its own inclined surface to push the No. 1 top wheel 23, so that the concave frame 21 can slide on the frame guide column 20, and move sideways, so that the upper tooth plate 37 can move to the top of the injection molding lower mold 2, and then the T-shaped frame 24 continues to move. At this time, the No. 1 top wheel 23 rolls on the plane area of ​​the side guide plate 26 At the same time, the upper guide plate 25 uses its own inclined surface to push the second top wheel 33, so that the lower tooth plate 36 can move up to drive the gear 8 to rotate, and then drive the upper tooth plate 37 to move down, and compress the two side edges of the injection lower mold 2, so that the injection lower mold 2 is close to the gas shell 9, and then the gas is inflated into the gas shell 9 through the air inlet pipe 13, so that the gas enters the air hole 11 to push the molded product in the injection lower mold 2 to lift it up and complete the demoulding. At the same time, when the threaded sleeve 16 drives the T-shaped frame 24 to move, it will also synchronously drive the center column 14 on the L-shaped frame 15 to move, so that it is close to the top of the molded product in the injection lower mold 2, so that when the gas lifts the product, the center column 14 can block the product to avoid the phenomenon of the product flying out due to excessive air pressure.

[0029] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A prototype mold for a motor housing of a new energy vehicle, comprising an injection molding upper mold (1) and an injection molding lower mold (2) installed at the lower end of the injection molding upper mold (1), characterized in that: The lower end of the injection molding lower mold (2) is penetrated by a plurality of air holes (11), a base (3) is arranged below the injection molding lower mold (2), an air shell (9) is fixedly mounted on the upper end of the base (3), a rubber pad (10) is fixedly mounted on the upper end surface of the air shell (9), the rubber pad (10) is tightly attached to the lower end of the injection molding lower mold (2), the air holes (11) correspond to the inside of the air shell (9), the rear end of the air shell (9) is fixedly connected to an air intake pipe (13), protective mold parts are installed at the edges of both sides of the upper end of the base (3), and a limiting angle (5) is fitted at the lower part of the corner of the injection molding lower mold (2), and the limiting angle (5) is fixed to the base (3).

2. The new energy vehicle motor housing case hand-made mold according to claim 1 is characterized by: The protective mold component comprises a concave frame (21) elastically mounted on both side edges of the upper end of the base (3), gears (8) being rotatably mounted on the ends of the two concave frames (21), upper toothed plates (37) being meshed at opposite ends of the two gears (8), and lower toothed plates (36) being meshed at opposite ends of the two gears (8).

3. The new energy vehicle motor housing case hand-made mold according to claim 2 is characterized in that: Guide blocks (38) are slidably mounted on the front and rear end surfaces of the upper tooth plate (37) and the front and rear end surfaces of the lower tooth plate (36); the end of the guide block (38) is fixed to the concave frame (21); a fixed column frame (34) is arranged on the side of the lower tooth plate (36); the end of the fixed column frame (34) is fixed to the guide block (38); a guide column (35) is embedded in the middle of the fixed column frame (34); a guide frame (31) is fitted on the outer surface of the guide column (35); and one end of the guide frame (31) is fixed to the lower tooth plate (36).

4. The new energy vehicle motor housing case hand-made mold according to claim 3 is characterized by: A No. 2 limiting cap (30) is coaxially inlaid on the lower end of the guide column (35), the guide frame (31) is fitted on the upper end of the No. 2 limiting cap (30), a No. 2 return spring (32) is wound around the outer side of the guide column (35), one end of the No. 2 return spring (32) is fixed to the lower end of the column fixing frame (34), and the other end of the No. 2 return spring (32) is fixed to the upper end of the guide frame (31).

5. The new energy vehicle motor housing case hand-made mold according to claim 4 is characterized in that: Two frame guide columns (20) are symmetrically and slidably installed through the lower part of the concave frame (21), one end of the frame guide column (20) is fixedly installed with a fixing seat (17), the fixing seat (17) is fixed to the base (3), the other end of the frame guide column (20) is coaxially inlaid with a No. 1 limiting cap (19), the No. 1 limiting cap (19) is attached to one side of the concave frame (21), and the outer side of the frame guide column (20) is wound with a No. 1 return spring (18), one end of the No. 1 return spring (18) is fixed to the fixing seat (17), and the other end of the No. 1 return spring (18) is fixed to the other side of the concave frame (21).

6. The new energy vehicle motor housing case hand-made mold according to claim 5 is characterized by: Square support rods (7) are fixedly mounted on both sides of the base (3), a T-shaped frame (24) is fitted on the front of the outer surface of one of the square support rods (7) and the rear of the outer surface of the other square support rod (7), one end of the T-shaped frame (24) is fixedly mounted with a side guide plate (26), a wheel seat (22) is fixedly mounted on the middle of one side of the concave frame (21), a first top wheel (23) is mounted on the end of the wheel seat (22), the first top wheel (23) corresponds to the side guide plate (26), an upper guide plate (25) is fixedly mounted on the other end of the T-shaped frame (24), and a second top wheel (33) is mounted on the other end of the guide frame (31).

7. The new energy vehicle motor housing case hand-made mold according to claim 6 is characterized by: A threaded rod (4) is rotatably mounted at the middle of the upper end of the base (3), the two ends of the threaded rod (4) extending from the front and rear ends of the base (3), the threads at the two ends of the threaded rod (4) being symmetrically arranged, the two ends of the threaded rod (4) being screwed with threaded sleeves (16), a pushing frame (6) being fixedly mounted on the side of the T-shaped frame (24), the end of the pushing frame (6) being fixed to the threaded sleeve (16), a servo motor (12) being fixedly mounted at the rear end of the base (3), the output end of the servo motor (12) being fixed to the threaded rod (4).

8. The new energy vehicle motor housing case hand-made mold according to claim 7 is characterized by: A center column (14) is slidably mounted on the end of the L-shaped frame (15); a rubber cap (28) is fixedly mounted on the lower end surface of the center column (14); an anti-slip ring (27) is coaxially inlaid on the upper end of the center column (14); the anti-slip ring (27) is fitted to the upper end of the L-shaped frame (15); a buffer spring (29) is fixedly mounted on the lower end of the L-shaped frame (15); the center column (14) passes through the interior of the buffer spring (29); and the end of the buffer spring (29) is fixed to the lower end of the center column (14).

9. A method for using a hand-made mold for a motor housing case of a new energy vehicle, which is used for the hand-made mold for a motor housing case of a new energy vehicle as claimed in any one of claims 1 to 8, characterized in that: The following steps are involved: S1: placing the opened lower mold (2) on the gas shell (9), with the limiting angle (5) being fitted to the corner of the lower mold (2) to limit the position of the lower mold (2); S2: The servo motor (12) then drives the threaded rod (4) to rotate, so that the central column (14) is close to the top of the molded product in the lower injection mold (2), and at the same time, the upper tooth plate (37) moves downward to press the edges of both sides of the lower injection mold (2), so that the lower injection mold (2) is closely attached to the air shell (9); S3: Then, air is inflated into the air shell (9) through the air inlet pipe (13), and the air is allowed to enter the air hole (11) to push up the molded product in the lower injection mold (2) to lift it up and complete demoulding.

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