New energy electric vehicle transmission shell mold

Abstract

The utility model discloses a new energy electric automobile transmission shell mold which comprises a lower mold plate, supporting seats are arranged on the two sides of the top end of the lower mold plate, supporting feet are arranged at the corners of the bottom end of the lower mold plate, a lower mold is arranged at the top ends of the two supporting seats, and an upper mold is arranged above the lower mold. Top feet are arranged at the corners of the top end of the upper die, an oil cylinder is arranged on the outer wall of one side of the lower die through a support, a cylinder pipe is arranged on the outer wall of the oil cylinder, a lower die core is arranged at the center of the top of the lower die, a transmission shell workpiece is installed at the top of the lower die core, and a lower abutting column is arranged at the bottom of the lower die. According to the utility model, the upper end and the lower end of the transmission shell workpiece can be used for carrying out multi-point abutting positioning on the transmission shell workpiece, the purpose of carrying out abutting positioning on the transmission shell workpiece in a side edge manner is also achieved, the phenomenon that the upper die deviates when moving downwards is reduced, and the phenomenon that the lower die is damaged by pressing caused by the upper die can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of molds, in particular to a transmission housing mold for a new energy electric vehicle. Background Art

[0002] At present, the new energy electric vehicle industry has been vigorously developed, and the electric vehicle transmission housing is one of the core components of electric vehicles. When producing and processing the electric vehicle transmission housing, it needs to be processed by molding process, so the corresponding electric vehicle transmission housing mold is needed.

[0003] Reference publication number CN211588493U is a casting mold for a controller housing of a new energy electric vehicle, wherein an upper mold core is installed below an upper mold plate, and a lower mold core is installed above a lower mold base; a No. 1 fixed lower module, a No. 1 slider, a No. 2 fixed lower module and a No. 2 slider are installed on the lower mold base, and are sequentially spliced ​​end to end around the axis of the lower mold core to form a sealed molding cavity that is consistent with the outer peripheral shape of the controller housing, and a No. 2 cooling channel molding sand core is a stepped columnar part, one end of which is overlapped with the No. 1 cooling channel molding sand core, and the other end is overlapped with the No. 1 fixed lower module; a The sand core for forming cooling channel No. 1 is used to form the space inside the bottom surface of the controller housing, and the sand core for forming cooling channel No. 2 is used to form a channel connecting the space inside the bottom surface of the controller housing with the outside; an air cooling component is installed on the upper template, and the air cooling component is used to cool the upper mold core. The mold structure is reasonably designed, low in cost, and has good casting quality. According to the above, although the mold can be well applied, it is usually not convenient to abut and position the shell components at multiple points at the upper and lower ends, making it difficult to achieve the expected fixing effect of the shell components, which needs to be improved. Utility Model Content

[0004] The purpose of the utility model is to provide a new energy electric vehicle transmission housing mold to solve the problem that although the mold proposed in the above background technology can be well applied, it is usually not convenient to abut and position the housing parts at multiple points at the upper and lower ends, making it difficult to achieve the expected fixing effect of the housing parts.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a new energy electric vehicle transmission housing mold, comprising a lower mold plate, support seats are arranged on both sides of the top of the lower mold plate, and support feet are arranged at the corner positions of the bottom end of the lower mold plate, a lower mold is arranged at the top of the two support seats, an upper mold is arranged above the lower mold, and top feet are arranged at the corner positions of the top of the upper mold, an oil cylinder is arranged on the outer wall of one side of the lower mold through a bracket, a cylinder tube is arranged on the outer wall of the oil cylinder, a lower mold core is arranged at the center position of the top of the lower mold, a transmission housing workpiece is installed on the top of the lower mold core, a lower abutment column is arranged at the bottom of the lower mold, and the top end of the lower abutment column touches the bottom end of the transmission housing workpiece, an upper mold core is arranged at the center position of the bottom of the upper mold, a first upper abutment column is arranged at the edge position of the bottom of the upper mold core, and three second upper abutment columns are arranged on one side of the bottom of the upper mold core.

[0006] Preferably, a pin is provided at the corner position of the top of the lower mold, and a pin barrel is provided at the bottom end of the upper mold above the pin, so that the downward movement range of the upper mold can be calibrated and limited by the setting of the pin and the pin barrel.

[0007] Preferably, two first positioning seats are arranged on the outer wall of the lower mold away from the oil cylinder, and the outer walls of the first positioning seats are all installed with first cylinders, so that the first abutment rod can be driven to translate through the arrangement of the first cylinders.

[0008] Preferably, two second positioning seats are arranged on the outer surface of one side of the lower mold, and a second cylinder is installed on the outer wall of the second positioning seat, so that the second abutment rod can be driven to translate through the arrangement of the second cylinder.

[0009] Preferably, a third positioning seat is provided on the outer wall of the lower mold on one side of the oil cylinder, and a third air cylinder is installed on the outer wall of the third positioning seat, so that the third abutment rod can be driven to translate through the provision of the third air cylinder.

[0010] Preferably, a first abutment rod is provided at one end of the first cylinder, and the end of the first abutment rod away from the first cylinder abuts against the outer wall of the transmission housing workpiece. The first abutment rod is provided to abut and limit the transmission housing workpiece sideways.

[0011] Preferably, a second abutment rod is provided at one end of the second cylinder, and the end of the second abutment rod away from the second cylinder abuts against the outer wall of the transmission housing workpiece. The second abutment rod is provided to abut and limit the transmission housing workpiece sideways.

[0012] Preferably, a third abutment rod is provided at one end of the third cylinder, and the end of the third abutment rod away from the third cylinder abuts against the outer wall of the transmission housing workpiece. The third abutment rod is provided to abut and limit the transmission housing workpiece sideways.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the new energy electric vehicle transmission housing mold can not only perform multi-point abutment positioning on the upper and lower ends of the transmission housing workpiece, but also achieve the purpose of abutment positioning of the transmission housing workpiece on the side, and reduce the phenomenon of offset when the upper mold moves downward, and can reduce the phenomenon of pressure loss caused by the upper mold on the lower mold;

[0014] (1) By placing the transmission housing workpiece on the top of the lower mold core, due to the provision of multiple lower abutment columns and multiple first upper abutment columns, when the upper mold is pressed down on the top of the lower mold, the lower abutment columns and the first upper abutment columns can be multi-point abutted and positioned from the upper and lower ends of the transmission housing workpiece. At the same time, due to the provision of three second upper abutment columns, the transmission housing workpiece can be further abutted and limited from the top, thereby ensuring the fixing effect of the transmission housing workpiece when the mold is used;

[0015] (2) The first abutting rod, the second abutting rod and the third abutting rod are driven to translate by the first cylinder, the second cylinder and the third cylinder respectively, so that one end of the first abutting rod, the second abutting rod and the third abutting rod abut against the outer wall of the transmission housing workpiece, thereby achieving the purpose of side-type abutment positioning of the transmission housing workpiece;

[0016] (3) Through the setting of the pin shaft and the pin barrel, when the upper mold moves down to the top of the lower mold, the top of the pin shaft will be inserted into the bottom of the pin barrel to limit the downward movement of the upper mold, thereby reducing the offset phenomenon during the downward movement of the upper mold and reducing the pressure loss caused by the upper mold to the lower mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the top view of the lower mold core of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the transmission housing workpiece from a top view of the present utility model;

[0020] Figure 4 It is a bottom view structural diagram of the upper mold core of the utility model.

[0021] In the figure: 1. lower template; 101. support foot; 2. support seat; 3. lower mold; 4. upper mold; 5. top foot; 6. oil cylinder; 601. cylinder tube; 7. lower mold core; 8. transmission housing workpiece; 9. first cylinder; 10. second cylinder; 11. third cylinder; 12. first positioning seat; 13. first abutment rod; 14. second positioning seat; 15. second abutment rod; 16. third positioning seat; 17. third abutment rod; 18. lower abutment column; 19. pin shaft; 20. pin barrel; 21. upper mold core; 22. first upper abutment column; 23. second upper abutment column. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4 The utility model provides an embodiment: a new energy electric vehicle transmission housing mold, including a lower mold plate 1, support seats 2 are arranged on both sides of the top of the lower mold plate 1, and support feet 101 are arranged at the corner positions of the bottom end of the lower mold plate 1, and the tops of the two support seats 2 are provided with lower molds 3, and the corner positions of the top of the lower molds 3 are provided with pins 19, and the bottom of the upper mold 4 above the pins 19 is provided with pin barrels 20;

[0024] When in use, the pin shaft 19 and the pin barrel 20 are arranged so as to calibrate and limit the downward movement of the upper mold 4;

[0025] Two first positioning seats 12 are arranged on the outer wall of the lower mold 3 away from the oil cylinder 6, and the first cylinders 9 are installed on the outer walls of the first positioning seats 12;

[0026] When in use, the first cylinder 9 is arranged to drive the first abutment rod 13 to translate;

[0027] A first abutment rod 13 is disposed at one end of the first cylinder 9, and an end of the first abutment rod 13 away from the first cylinder 9 abuts against an outer wall of the transmission housing workpiece 8;

[0028] When in use, the first abutment rod 13 is arranged so as to abut and limit the transmission housing workpiece 8 from the side;

[0029] Two second positioning seats 14 are arranged on the outer surface of one side of the lower mold 3, and a second cylinder 10 is installed on the outer wall of the second positioning seat 14;

[0030] When in use, the second cylinder 10 is arranged to drive the second abutment rod 15 to translate;

[0031] A second abutment rod 15 is disposed at one end of the second cylinder 10, and an end of the second abutment rod 15 away from the second cylinder 10 abuts against an outer wall of the transmission housing workpiece 8;

[0032] When in use, the second abutment rod 15 is arranged so as to abut and limit the transmission housing workpiece 8 from the side;

[0033] An upper mold 4 is arranged above the lower mold 3, and top feet 5 are arranged at the corner positions of the top of the upper mold 4. A cylinder 6 is arranged on the outer wall of one side of the lower mold 3 through a bracket, and a third positioning seat 16 is arranged on the outer wall of the lower mold 3 on one side of the cylinder 6, and a third cylinder 11 is installed on the outer wall of the third positioning seat 16;

[0034] When in use, the third cylinder 11 is arranged to drive the third abutment rod 17 to translate;

[0035] A third abutment rod 17 is disposed at one end of the third cylinder 11, and an end of the third abutment rod 17 away from the third cylinder 11 abuts against an outer wall of the transmission housing workpiece 8;

[0036] When in use, the third abutment rod 17 is arranged so as to abut and limit the transmission housing workpiece 8 from the side;

[0037] A cylinder tube 601 is provided on the outer wall of the oil cylinder 6, a lower mold core 7 is provided at the center position of the top of the lower mold 3, a transmission housing workpiece 8 is installed on the top of the lower mold core 7, a lower abutment column 18 is provided at the bottom of the lower mold 3, and the top end of the lower abutment column 18 touches the bottom end of the transmission housing workpiece 8, an upper mold core 21 is provided at the center position of the bottom of the upper mold 4, a first upper abutment column 22 is provided at the edge position of the bottom of the upper mold core 21, and three second upper abutment columns 23 are provided on one side of the bottom of the upper mold core 21.

[0038] When the embodiment of the present application is in use, firstly, by setting the pin shaft 19 and the pin barrel 20, when the upper mold 4 moves down to the top of the lower mold 3, the top of the pin shaft 19 will be inserted and abutted against the bottom of the pin barrel 20, so that the upper mold 4 can be calibrated, and the phenomenon of pressure loss caused by the upper mold 4 to the lower mold 3 can be reduced. Then, by placing the transmission housing workpiece 8 on the top of the lower mold core 7, due to the setting of multiple lower abutment columns 18 and multiple first upper abutment columns 22, when the upper mold 4 is pressed down on the top of the lower mold 3, the lower abutment columns 18 and the first upper abutment columns 22 can be connected by the upper and lower sides of the transmission housing workpiece 8. The end is subjected to multi-point abutment positioning, and the arrangement of the three second upper abutment columns 23 can also abut and limit the transmission housing workpiece 8 from above to ensure the positioning effect of the transmission housing workpiece 8, and finally the first abutment rod 13, the second abutment rod 15 and the third abutment rod 17 are driven to translate by the first cylinder 9, the second cylinder 10 and the third cylinder 11 respectively, so that one end of the first abutment rod 13, the second abutment rod 15 and the third abutment rod 17 are all abutted against the outer wall of the transmission housing workpiece 8, so as to abut and position the transmission housing workpiece 8 from the side, thereby completing the use of the mold.

[0039] 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.

[0040] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A new energy electric vehicle transmission housing mold, characterized in that: The invention comprises a lower template (1), support seats (2) are arranged on both sides of the top of the lower template (1), support feet (101) are arranged at the corner positions of the bottom of the lower template (1), a lower mold (3) is arranged at the top of the two support seats (2), an upper mold (4) is arranged above the lower mold (3), and top feet (5) are arranged at the corner positions of the top of the upper mold (4), an oil cylinder (6) is arranged on the outer wall of one side of the lower mold (3) through a bracket, a cylinder tube (601) is arranged on the outer wall of the oil cylinder (6), and the lower mold ( 3) A lower mold core (7) is arranged at the center position of the top, a transmission housing workpiece (8) is installed on the top of the lower mold core (7), a lower abutment column (18) is arranged at the bottom of the lower mold (3), the top end of the lower abutment column (18) touches the bottom end of the transmission housing workpiece (8), an upper mold core (21) is arranged at the center position of the bottom of the upper mold (4), a first upper abutment column (22) is arranged at the edge position of the bottom of the upper mold core (21), and three second upper abutment columns (23) are arranged on one side of the bottom of the upper mold core (21).

2. A new energy electric vehicle transmission housing mold according to claim 1, characterized in that: A pin shaft (19) is provided at the corner position of the top end of the lower mold (3), and a pin barrel (20) is provided at the bottom end of the upper mold (4) above the pin shaft (19).

3. The new energy electric vehicle transmission housing mold according to claim 1 is characterized in that: Two first positioning seats (12) are arranged on the outer wall of the lower mold (3) at a side away from the oil cylinder (6), and the first cylinders (9) are installed on the outer walls of the first positioning seats (12).

4. The new energy electric vehicle transmission housing mold according to claim 1 is characterized in that: Two second positioning seats (14) are arranged on the outer surface of one side of the lower mold (3), and a second cylinder (10) is installed on the outer wall of the second positioning seat (14).

5. The new energy electric vehicle transmission housing mold according to claim 1 is characterized in that: A third positioning seat (16) is provided on the outer wall of the lower mold (3) on one side of the oil cylinder (6), and a third air cylinder (11) is installed on the outer wall of the third positioning seat (16).

6. The new energy electric vehicle transmission housing mold according to claim 3 is characterized in that: A first abutment rod (13) is provided at one end of the first cylinder (9), and an end of the first abutment rod (13) away from the first cylinder (9) abuts against an outer wall of a transmission housing workpiece (8).

7. The new energy electric vehicle transmission housing mold according to claim 4 is characterized in that: A second abutment rod (15) is provided at one end of the second cylinder (10), and an end of the second abutment rod (15) away from the second cylinder (10) abuts against an outer wall of a transmission housing workpiece (8).

8. The new energy electric vehicle transmission housing mold according to claim 5 is characterized in that: A third abutment rod (17) is provided at one end of the third cylinder (11), and an end of the third abutment rod (17) away from the third cylinder (11) abuts against an outer wall of a transmission housing workpiece (8).

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