CN218310379U

CN218310379U - Hole forming die for automobile cooling water jacket

Info

Publication number: CN218310379U
Application number: CN202222143528.7U
Authority: CN
Inventors: 黄海舟; 陶志华
Original assignee: Suzhou Itek Auto Parts Technology Co ltd
Current assignee: Suzhou Itek Auto Parts Technology Co ltd
Priority date: 2022-08-15
Filing date: 2022-08-15
Publication date: 2023-01-17
Anticipated expiration: 2032-08-15

Abstract

The application discloses a hole forming die for an automobile cooling water jacket, which comprises a lower bottom plate, a supporting rod and a lifting cylinder, wherein a lower die base is fixed at the upper end of the supporting rod, a lower backing plate, a lower clamping plate, a floating backing plate and a floating plate are sequentially fixed on the upper surface of the lower die base from bottom to top, an upper die base is fixed at the upper end of a piston rod of the lifting cylinder, an upper clamping plate, a material pressing backing plate and a material pressing plate are sequentially fixed on the bottom surface of the upper die base from top to bottom, and a die groove is formed in the bottom surface of the material pressing plate; the water inlet and outlet punching die is characterized by also comprising a punching die for punching the small holes on the cooling water jacket into a water inlet or a water outlet at one time, and the floating plate is provided with a resetting assembly. This application is sheathe in at the cooling water and is set up into water inlet pipe mouth or water outlet pipe mouth when, uses stamping die can once be stamped into water inlet or delivery port with the aperture on the cooling water jacket, and the cooling water jacket product has good structural strength in the use, is favorable to prolonging cooling water jacket's life, has reduced because of the relatively poor probability that influences cooling water jacket product quality of staff's welding technique.

Description

Hole forming die for automobile cooling water jacket

Technical Field

The utility model relates to a forming die technical field, in particular to hole forming die for automobile cooling water jacket.

Background

The engine cylinder cover is used for sealing the cylinder and forming a combustion chamber, the side valve type engine cylinder cover is cast with a water jacket, a water inlet hole, a water outlet hole, a spark plug hole, a bolt hole, the combustion chamber and the like, the top valve type engine cylinder cover is also provided with a valve device, an air inlet channel, an exhaust channel and the like besides a cooling water jacket, and the engine cylinder cover can be cooled and protected in the using process of the engine, for example, the cooling water jacket of the automobile engine cylinder cover is used.

The cooling water jacket processed by the method has poor connection strength of the water inlet pipe or the water outlet pipe around the drill hole, and the welding technology of the working personnel directly influences the quality of a finished product of the cooling water jacket.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a hole forming die for automobile cooling water jacket.

The above technical object of the present invention can be achieved by the following technical solutions: a hole forming die for an automobile cooling water jacket comprises a lower base plate, wherein a support rod and a lifting cylinder are fixed on the upper surface of the lower base plate, a lower die base is fixed at the upper end of the support rod, a lower base plate, a lower clamping plate, a floating base plate and a floating plate are sequentially fixed on the upper surface of the lower die base from bottom to top, an upper die base is fixed at the upper end of a piston rod of the lifting cylinder, an upper clamping plate, a material pressing base plate and a material pressing plate are sequentially fixed on the bottom surface of the upper die base from top to bottom, and a die groove used for being matched with a cooling water jacket to be processed is formed in the bottom surface of the material pressing plate;

the hole forming die for the automobile cooling water jacket further comprises a stamping die used for stamping the small holes in the cooling water jacket into the water inlet or the water outlet at one time, and the floating plate is provided with a resetting assembly used for enabling the stamping die to reset.

By adopting the technical scheme, when the cooling water jacket is provided with the water inlet pipe orifice or the water outlet pipe orifice, the small holes meeting the processing requirements are firstly formed in the cooling water jacket, then the small holes in the cooling water jacket can be punched into the water inlet or the water outlet at one time by using the punching die, after the punching is finished, the punching die can be driven to reset by using the reset assembly so as to be used next time, the water inlet or the water outlet formed by punching at the last time in the cooling water jacket has good structural strength in the using process, the service life of the cooling water jacket is prolonged favorably, and the probability that the product quality of the cooling water jacket is influenced due to the poor welding technology of workers is reduced.

Furthermore, the lower backing plate, the lower clamping plate, the floating backing plate and the floating plate are all provided with lower through holes in a penetrating manner, the positions of the lower through holes correspond to the positions of the model grooves, the stamping die comprises a motor fixed on the upper surface of the lower backing plate, a threaded rod fixed at the upper end of an output shaft of the motor, a sliding sleeve sleeved on the threaded rod and in threaded connection with the threaded rod, a lower ejector rod fixed at the middle of the upper end face of the sliding sleeve, a vertical rod fixed at a position close to the edge of the sliding sleeve and close to the upper end face of the sliding sleeve, a model body abutted against the upper end of the vertical rod and matched with a cooling water jacket to be processed, and a forming block penetrating the side wall of the model body and connected with the model body in a sliding manner;

run through on the die holder and set up the lower logical groove that supplies the sliding sleeve to slide and connect, the aperture cooperation of initial seting up on shaping piece and the cooling jacket, the crossing department between the lateral wall that lower ejector pin upper end and lower ejector pin are close to reset assembly one side has seted up first inclined plane, the one end that the subassembly that resets was kept away from to shaping piece is seted up with first inclined plane complex first butt face, the perforation under montant and the lower ejector pin all passed, model body bottom is seted up and is supplied ejector pin grafting complex spliced eye down.

By adopting the technical scheme, when a stamping die is used for stamping a water inlet or a water outlet of a cooling water jacket, a worker firstly needs to arrange the cooling water jacket provided with an initial small hole at the upper end of the vertical rod and is sleeved on the model body, then the worker needs to adjust the lifting cylinder to enable the upper die base to descend, so that the upper clamping plate, the pressing base plate and the pressing plate all descend, until a die groove at the bottom of the pressing plate is matched with the model body and tightly supports against the cooling water jacket, the worker needs to start the motor, the motor drives the threaded rod to rotate after working, the sliding sleeve is connected with the downward through groove in a sliding manner, the sliding sleeve is in threaded connection with the threaded rod, so that the sliding sleeve upwards moves along the vertical direction, after a first inclined surface of the lower ejector rod is matched with a first abutting surface on the forming block, the forming block moves towards one side close to the resetting assembly, so that the small hole initially arranged on the cooling water jacket is outwards turned into the water outlet or the water inlet from inside, and outside, and the processing and forming operation of the water outlet or the water inlet on the cooling water jacket is completed.

Furthermore, a clamping groove is formed in the position, close to the model groove, of the bottom surface of the pressure plate, and a movable groove is formed in the position, close to the clamping groove, of the upper surface of the floating plate;

the utility model discloses a cooling product shaping device, including the model body, the die holder is including the die holder, the floating plate is fixed with the upper plate, install spacing subassembly jointly on floating plate and the upper plate, spacing subassembly includes the fixed spring of lateral wall that is close to model body one side with the activity groove, keep away from the one end of model body with the spring and fix and slide the movable block of being connected with the activity groove, slide the side kicking block of being connected with the joint groove with the movable block upper surface fixed and with the joint groove and be fixed in the last ejector pin on the upper plate, all run through on pressing backing plate and the pressure flitch and set up the last perforation that supplies the ejector pin to pass, last perforation and joint groove intercommunication on the pressure flitch, the second inclined plane has been seted up with the crossing department between the lateral wall of model body one side is close to last ejector pin lower extreme and the lateral wall of model body one side, the lateral kicking block upper surface is kept away from crossing department between model body one side lateral wall and is seted up with second inclined plane complex second butt face, the water jacket lateral wall is seted up and is used for carrying out spacing hole spacing to water inlet or delivery port after the cooling product shaping.

By adopting the technical scheme, in the process that the motor works and orders about the movement of the forming block towards one side close to the reset assembly, the side wall of one side, away from the model body, of the side pushing block is abutted against the side wall of one side, close to the model body, of the upper ejector rod, and the limit hole in the side pushing block plays a good limiting role in the cooling water jacket formed by the forming block through extrusion, so that the outer wall of the water inlet or the water outlet of the cooling water jacket keeps round.

Further, the reset assembly comprises a mounting plate fixed to the upper surface of the floating plate and a reset cylinder fixed to the upper surface of the mounting plate, a hole body for a piston rod of the reset cylinder to penetrate through is formed in the side wall of the upper ejector rod in a penetrating mode, and the piston rod of the reset cylinder is matched with the limiting hole.

By adopting the technical scheme, after the punching of the water inlet or the water outlet of the cooling water jacket is completed, a worker only needs to adjust the reset cylinder, so that the piston rod of the reset cylinder sequentially penetrates through the hole body and the limiting hole, and the forming block is supported into the model body, so that the model body is reset, and the next forming work of the water inlet and the water outlet of the cooling water jacket is performed.

Further, the inner diameter of the hole body is larger than the diameter of a piston rod of the reset cylinder.

Through adopting above-mentioned technical scheme, reduced the piston rod of the cylinder that resets and got into the degree of difficulty in the hole body.

Furthermore, the cross section of the sliding sleeve is rectangular.

Through adopting above-mentioned technical scheme, reduced the sliding sleeve and taken place to rotate at the lift in-process, and made the probability that first inclined plane and first butt face take place the dislocation.

Furthermore, the vertical rods are provided with six vertical rods and are uniformly distributed in the axial direction of the threaded rod.

By adopting the technical scheme, the six vertical rods are matched to play a good role in supporting the bottom of the cooling water jacket, and the stability of the cooling water jacket in the forming process is enhanced.

To sum up, the utility model discloses following beneficial effect has:

1. according to the application, when a water inlet pipe orifice or a water outlet pipe orifice is arranged on the cooling water jacket, small holes meeting the processing requirements are firstly formed in the cooling water jacket, then a stamping die can be used for stamping the small holes in the cooling water jacket into the water inlet or the water outlet at one time, after stamping is finished, a resetting component can be used for driving the stamping die to reset so as to be used next time, and the water inlet or the water outlet formed in the last stamping forming process of the cooling water jacket has good structural strength in the using process, so that the service life of the cooling water jacket is prolonged, and the probability that the quality of a cooling water jacket product is influenced due to poor welding technology of workers is reduced;

2. in the application, when a stamping die is used for stamping a water inlet or a water outlet of a cooling water jacket, a worker firstly needs to arrange the cooling water jacket provided with an initial small hole at the upper end of a vertical rod and is sleeved on a model body, then the worker needs to adjust a lifting cylinder to enable an upper die base to descend so as to enable an upper clamping plate, a pressing base plate and a pressing plate to descend, until a die groove at the bottom of the pressing plate is matched with the model body and abuts against the cooling water jacket, the worker needs to start a motor, the motor drives a threaded rod to rotate after working, and as the sliding sleeve is connected with a lower through groove in a sliding manner, the sliding sleeve is in threaded connection with the threaded rod so as to enable the sliding sleeve to move upwards along the vertical direction;

3. in this application, after cooling water jacket's water inlet or delivery port punching press were accomplished, the staff only need adjust the cylinder that resets for the piston rod of the cylinder that resets passes the hole body and spacing hole in proper order, and supports into the model with the shaping piece internal, makes the model body reset, so that carry out the next shaping work of cooling water jacket's water inlet and delivery port.

Drawings

Fig. 1 and fig. 2 are schematic structural views of a cooling water jacket according to an embodiment of the present invention;

fig. 3 is a schematic overall structure diagram of an embodiment of the present invention;

FIG. 4 is a schematic structural view of the stamping die according to the embodiment of the present invention;

fig. 5 is an enlarged schematic view at a in fig. 4.

In the figure: 1. a lower base plate; 11. a support bar; 12. a lifting cylinder; 2. a stamping die; 21. a motor; 22. a threaded rod; 23. a sliding sleeve; 24. a lower ejector rod; 241. a first inclined surface; 25. a vertical rod; 26. a model body; 261. inserting holes; 27. forming a block; 271. a first abutting surface; 3. a limiting component; 31. a spring; 32. a movable block; 33. a side push block; 331. a second abutting surface; 332. a limiting hole; 34. an ejector rod is arranged; 341. a second inclined surface; 342. a porous body; 4. a reset assembly; 41. mounting a plate; 42. resetting the air cylinder; 5. a lower die holder; 51. a lower base plate; 52. a lower splint; 53. a floating liner plate; 54. a floating plate; 541. a movable groove; 55. a lower through groove; 6. an upper die holder; 61. an upper splint; 62. pressing a backing plate; 63. a material pressing plate; 631. a mould groove; 632. a clamping groove; 7. lower punching; 8. a water inlet or outlet; 9. punching an upper hole; 10. and a cooling water jacket.

Detailed Description

The technical solution in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application; it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments, and all other embodiments obtained by those of ordinary skill in the art without any inventive work based on the embodiments in the present application belong to the protection scope of the present application.

As shown in fig. 1 to 5, the embodiment of the application discloses a hole forming die for an automobile cooling water jacket, which comprises a lower base plate 1, a stamping die 2, a limiting assembly 3 and a resetting assembly 4. The lower base plate 1 is a horizontally arranged rectangular plate-shaped structure, a support rod 11 and a lifting cylinder 12 are fixed on the upper surface of the lower base plate 1, a lower die holder 5 is fixed at the upper end of the support rod 11, and an upper die holder 6 is fixed at the upper end of a piston rod of the lifting cylinder 12.

The upper surface of the lower die base 5 is sequentially fixed with a lower cushion plate 51, a lower clamp plate 52, a floating cushion plate 53 and a floating plate 54 from bottom to top, and the lower cushion plate 51, the lower clamp plate 52, the floating cushion plate 53 and the floating plate 54 are all provided with lower through holes 7 in a penetrating way. An upper clamping plate 61, a material pressing backing plate 62 and a material pressing plate 63 are sequentially fixed on the bottom surface of the upper die holder 6 from top to bottom, a die groove 631 used for being matched with the outside of the cooling water jacket 10 to be processed is formed in the bottom surface of the material pressing plate 63, and the position of the die groove 631 corresponds to the position of the lower through hole 7.

The stamping die 2 is used for stamping the small hole on the cooling water jacket 10 into the water inlet or the water outlet 8 at one time, and the stamping die 2 comprises a motor 21, a threaded rod 22, a sliding sleeve 23, a lower ejector rod 24, a vertical rod 25, a model body 26 and a forming block 27. The motor 21 is fixed with the upper surface of the lower base plate 1, the axis of the threaded rod 22 is overlapped with the axis of the output shaft of the motor 21, and the lower end of the threaded rod 22 is fixed with the upper end of the output shaft of the motor 21. The cross section of the sliding sleeve 23 is rectangular, the sliding sleeve is sleeved on the threaded rod 22 and is in threaded connection with the threaded rod 22, and a lower through groove 55 for the sliding connection of the sliding sleeve 23 is formed in the lower die base 5 in a penetrating mode. The lower push rod 24 is vertically arranged, the lower end of the lower push rod is fixed with the middle of the upper end face of the sliding sleeve 23, and a first inclined face 241 is arranged at the intersection between the upper end of the lower push rod 24 and the side wall of the lower push rod 24 close to one side of the reset component 4. The vertical rod 25 is a vertically arranged round rod-shaped structure, the lower end of the vertical rod is fixed with the upper end face of the sliding sleeve 23 close to the edge of the sliding sleeve 23, the six vertical rods 25 are uniformly distributed in the axial direction of the threaded rod 22, and the vertical rods 25 and the lower ejector rods 24 penetrate through the lower through holes 7. The model body 26 is arranged in the cooling water jacket 10 and is matched with the cooling water jacket 10, the bottom of the model body 26 is abutted and fixed with the upper end of the vertical rod 25, and the bottom of the model body 26 is provided with an inserting hole 261 for inserting and matching the lower ejector rod 24. The forming block 27 is disposed on the sidewall of the mold body 26 and slidably connected to the mold body 26, the forming block 27 is engaged with the small hole initially formed on the cooling water jacket 10, and a first abutting surface 271 engaged with the first inclined surface 241 is formed at an end of the forming block 27 away from the reset component 4.

The bottom surface of the pressing plate 63 is provided with a clamping groove 632 near the mold groove 631, and the upper surface of the floating plate 54 is provided with a movable groove 541 near the clamping groove 632. The limiting assembly 3 is jointly installed on the floating plate 54 and the upper clamping plate 61, and the limiting assembly 3 comprises a spring 31, a movable block 32, a side push block 33 and an upper ejector rod 34. The spring 31 is disposed in the movable groove 541, and one end of the spring 31 is fixed to a sidewall of the movable groove 541 near the mold body 26. The movable block 32 is a rectangular block structure, and is disposed in the movable groove 541 and slidably connected to the movable groove 541, and a side wall of the movable block 32 close to the model body 26 is fixed to an end of the spring 31 far from the model body 26. The side pushing block 33 is disposed in the clamping groove 632 and connected with the clamping groove 632 in a sliding manner, the position of the bottom surface of the side pushing block 33, which is far away from one side of the model body 26, is fixed with the upper surface of the movable block 32, the side pushing block 33 is connected with the clamping groove 632 in a sliding manner, and the width of the side pushing block 33 is smaller than that of the movable block 32. The upper ejector rod 34 is fixed on the upper clamping plate 61, the upper through hole 9 for the upper ejector rod 34 to pass through is formed in the pressing base plate 62 and the pressing plate 63 in a penetrating manner, the upper through hole 9 in the pressing plate 63 is communicated with the clamping groove 632, the second inclined surface 341 is formed in the intersection between the lower end of the upper ejector rod 34 and the side wall of the upper ejector rod 34 close to the model body 26, the second abutting surface 331 matched with the second inclined surface 341 is formed in the intersection between the side wall of the upper surface of the side push block 33 far away from the model body 26 and the upper surface of the side push block 33, and the limit hole 332 for limiting the water inlet or the water outlet 8 of the cooling water jacket 10 after product molding is formed in the side push block 33.

The reset assembly 4 is arranged on the floating plate 54 and used for resetting the stamping die 2, and the reset assembly 4 comprises a mounting plate 41 and a reset cylinder 42. The mounting plate 41 has a horizontally disposed rectangular plate-like structure, and the bottom surface thereof is fixed to the upper surface of the floating plate 54. The cylinder body level of cylinder 42 resets, and the cylinder body bottom and the mounting panel 41 fixed surface of cylinder 42 reset, run through on the lateral wall of upper ejector pin 34 and set up the hole body 342 that the piston rod that supplies cylinder 42 resets passed, and the piston rod and the spacing hole 332 cooperation of cylinder 42 reset, and the internal diameter of hole body 342 is greater than the piston rod diameter of cylinder 42 resets.

When a water inlet pipe orifice or a water outlet pipe orifice is arranged on the cooling water jacket 10, a small hole meeting the processing requirement is firstly formed in the cooling water jacket 10, then the small hole in the cooling water jacket 10 can be punched into a water inlet or a water outlet 8 at one time by using the punching die 2, after punching is completed, the resetting component 4 can be used for driving the punching die 2 to reset so as to be used next time, and the water inlet or the water outlet 8 formed in the last punching of the cooling water jacket 10 has good structural strength in the using process, so that the service life of the cooling water jacket 10 is prolonged, and the probability that the product quality of the cooling water jacket 10 is influenced due to poor welding technology of workers is reduced.

The use principle of the hole forming die for the automobile cooling water jacket 10 in the embodiment is as follows: when the stamping die 2 is used for stamping the water inlet or the water outlet 8 of the cooling water jacket 10, a worker firstly needs to place the cooling water jacket 10 provided with an initial small hole at the upper end of the vertical rod 25 and sleeve the cooling water jacket on the model body 26, then the worker needs to adjust the lifting cylinder 12 to enable the upper die base 6 to descend, so that the upper clamping plate 61, the pressing backing plate 62 and the pressing plate 63 all descend until the model groove 631 at the bottom of the pressing plate 63 is matched with the model body 26 and tightly abuts against the cooling water jacket 10, the worker needs to start the motor 21, the motor 21 drives the threaded rod 22 to rotate after working, as the sliding sleeve 23 is connected with the lower through groove 55 in a sliding manner, the sliding sleeve 23 is in threaded connection with the threaded rod 22, so that the sliding sleeve 23 moves upwards along the vertical direction, after the first inclined surface 241 of the lower ejector rod 24 is matched with the first abutting surface 271 on the forming block 27, the forming block 27 moves towards one side close to the reset assembly 4, so that the small hole initially provided on the cooling water jacket 10 is turned into the water outlet or the water inlet from inside to outside, and the water jacket 10 is finished.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a hole forming die for automobile cooling water jacket which characterized by: the machining tool comprises a lower base plate (1), wherein a support rod (11) and a lifting cylinder (12) are fixed on the upper surface of the lower base plate (1), a lower die holder (5) is fixed at the upper end of the support rod (11), a lower backing plate (51), a lower clamping plate (52), a floating backing plate (53) and a floating plate (54) are sequentially fixed on the upper surface of the lower die holder (5) from bottom to top, an upper die holder (6) is fixed at the upper end of a piston rod of the lifting cylinder (12), an upper clamping plate (61), a material pressing backing plate (62) and a material pressing plate (63) are sequentially fixed on the bottom surface of the upper die holder (6) from top to bottom, and a die groove (631) used for being matched with a cooling water jacket (10) to be machined is formed in the bottom surface of the material pressing plate (63);

the hole forming die for the automobile cooling water jacket further comprises a stamping die (2) used for stamping the small hole in the cooling water jacket (10) into the water inlet or the water outlet (8) at one time, and a resetting component (4) used for resetting the stamping die (2) is arranged on the floating plate (54).

2. The hole forming die for the automobile cooling water jacket according to claim 1, wherein: the stamping die comprises a lower base plate (51), a lower clamping plate (52), a floating base plate (53) and a floating plate (54), wherein lower through holes (7) are formed in the lower base plate (51), the positions of the lower through holes (7) correspond to the positions of model grooves (631), the stamping die (2) comprises a motor (21) fixed to the upper surface of the lower base plate (1), a threaded rod (22) fixed to the upper end of an output shaft of the motor (21), a sliding sleeve (23) sleeved on the threaded rod (22) and in threaded connection with the threaded rod (22), a lower ejector rod (24) fixed to the middle of the upper end face of the sliding sleeve (23), a vertical rod (25) fixed to the upper end face of the sliding sleeve (23) close to the edge of the sliding sleeve (23), a model body (26) abutted against the upper end of the vertical rod (25) and matched with a cooling water jacket (10) to be processed, and a forming block (27) arranged on the side wall of the model body (26) in a penetrating mode and in sliding connection with the model body (26);

run through on die holder (5) and set up lower logical groove (55) that supply sliding sleeve (23) to slide and connect, the aperture cooperation of initial seting up on shaping piece (27) and cooling water jacket (10), the crossing department between the lateral wall that lower ejector pin (24) upper end and lower ejector pin (24) are close to reset assembly (4) one side has seted up first inclined plane (241), the one end that reset assembly (4) was kept away from in shaping piece (27) is seted up with first inclined plane (241) complex first butt face (271), perforation (7) under montant (25) and lower ejector pin (24) all pass, supply lower ejector pin (24) grafting complex spliced eye (261) are seted up to model body (26) bottom.

3. The hole forming die for the automobile cooling water jacket according to claim 2, wherein: a clamping groove (632) is formed in the position, close to the mold groove (631), of the bottom surface of the material pressing plate (63), and a movable groove (541) is formed in the position, close to the clamping groove (632), of the upper surface of the floating plate (54);

the floating plate (54) and the upper clamping plate (61) are provided with a limiting component (3) together, the limiting component (3) comprises a spring (31) fixed with the side wall of the movable groove (541) close to one side of the model body (26), a movable block (32) fixed with one end of the spring (31) far away from the model body (26) and connected with the movable groove (541) in a sliding way, a side push block (33) fixed with the upper surface of the movable block (32) and connected with the clamping groove (632) in a sliding way, and an upper ejector rod (34) fixed on the upper clamping plate (61), the material pressing backing plate (62) and the material pressing plate (63) are both provided with an upper through hole (9) for the upper mandril (34) to pass through, the upper through hole (9) on the material pressing plate (63) is communicated with the clamping groove (632), a second inclined plane (341) is arranged at the intersection between the lower end of the upper mandril (34) and the side wall of the upper mandril (34) close to one side of the model body (26), a second abutting surface (331) matched with the second inclined surface (341) is arranged at the intersection between the side wall of the side push block (33) and the upper surface of the side push block (33), wherein the side wall of the upper surface of the side push block (33) is far away from the model body (26), and a limiting hole (332) for limiting a water inlet or a water outlet (8) of the formed product of the cooling water jacket (10) is formed in the side wall of the side push block (33) in a penetrating manner.

4. The hole forming die for the automobile cooling water jacket according to claim 3, wherein: reset subassembly (4) including with mounting panel (41) of kickboard (54) upper surface mounting and with mounting panel (41) upper surface mounting reset cylinder (42), run through the hole body (342) of offering the piston rod that supplies reset cylinder (42) to pass on going up ejector pin (34) lateral wall, the piston rod and the spacing hole (332) cooperation of reset cylinder (42).

5. The hole forming die for the automobile cooling water jacket according to claim 4, wherein: the inner diameter of the hole body (342) is larger than the diameter of a piston rod of the reset cylinder (42).

6. The hole forming die for the automobile cooling water jacket according to claim 4, wherein: the cross section of the sliding sleeve (23) is rectangular.

7. The hole forming die for the automobile cooling water jacket according to claim 4, wherein: the vertical rods (25) are provided with six vertical rods and are uniformly distributed in the axial direction of the threaded rod (22).