CN223603410U - Low-pressure casting die for rear auxiliary frame - Google Patents
Low-pressure casting die for rear auxiliary frameInfo
- Publication number
- CN223603410U CN223603410U CN202422748813.0U CN202422748813U CN223603410U CN 223603410 U CN223603410 U CN 223603410U CN 202422748813 U CN202422748813 U CN 202422748813U CN 223603410 U CN223603410 U CN 223603410U
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Abstract
本实用新型公开了后副车架低压铸造模具，涉及后副车架生产技术领域，包括模座，所述模座内壁的顶部连接有上模，所述模座内壁的底部连接下模，所述下模的内部开设有槽体，所述槽体内壁底部和内壁顶部之间设置有推模机构，所述槽体内壁的底部设置有驱动机构，且驱动机构与推模机构啮合，本实用新型通过设置的推模机构和驱动机构的作用下，可以从四个受力点将下模内成型后的后副车架进行顶出，同时还能对孔槽进行封堵，不会影响金属液在模芯内的成型，过程无需工作人员借助撬棍对后副车架进行翘曲，避免发生对后副车架造成损伤的情况，从而提高工作人员脱模的效率和脱模的质量。
This utility model discloses a low-pressure casting mold for a rear subframe, relating to the field of rear subframe production technology. It includes a mold base, with an upper mold connected to the top of the inner wall of the mold base and a lower mold connected to the bottom of the inner wall. A groove is formed inside the lower mold, and a push-die mechanism is provided between the bottom and top of the inner wall of the groove. A drive mechanism is provided at the bottom of the inner wall of the groove, and the drive mechanism meshes with the push-die mechanism. Through the action of the push-die mechanism and the drive mechanism, this utility model can eject the formed rear subframe from the lower mold from four force points, while simultaneously sealing the grooves and holes, without affecting the forming of molten metal within the mold core. The process eliminates the need for workers to use pry bars to warp the rear subframe, avoiding damage and thus improving the efficiency and quality of demolding.
Description
Technical Field
The utility model relates to the technical field of rear auxiliary frame production, in particular to a rear auxiliary frame low-pressure casting die.
Background
The rear subframe is a main structural support of a front body of an automobile, the low-pressure casting is that a casting mould is generally arranged above a sealed crucible, compressed air is introduced into the crucible to cause low pressure on the surface of molten metal, molten metal is enabled to rise up by a riser tube to fill the casting mould and control solidification, the subframe is generally manufactured through low-pressure casting in order to ensure the precision degree of the subframe, a mould is connected with the riser tube, and finally the molten metal is conveyed into a mould core on the mould to be cooled to form the rear subframe.
At present, traditional low-pressure casting mould still has some weak places, and back sub vehicle frame can carry out the mould opening after the shaping in the mold core and take out, because the holding power of mould is not enough for the back sub vehicle frame after the shaping after the mould opening can block in the inside of lower mould mold core, because the mould can not be ejecting back sub vehicle frame in the mold core, makes the manual hand instrument of need take four angles perk to back sub vehicle frame one by one, just can accomplish drawing of patterns work, and the operation process is not convenient enough and causes the damage to back sub vehicle frame and mould easily, for this reason we propose back sub vehicle frame low-pressure casting mould.
Disclosure of utility model
The utility model aims to solve the defects in the prior art, and provides a low-pressure casting die for a rear auxiliary frame. The mold has the advantages that the molded rear auxiliary frame is convenient to be demolded from the inner part of the lower mold core.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides a back sub vehicle frame low pressure casting mould, includes the die holder, the top of die holder inner wall is connected with the mould, the lower mould is connected to the bottom of die holder inner wall, the cell body has been seted up to the inside of lower mould, be provided with between cell body inner wall bottom and the inner wall top and push away mould mechanism, the bottom of cell body inner wall is provided with actuating mechanism, and actuating mechanism and push away mould mechanism meshing, the return channel has been seted up at the top of lower mould, the bottom of die holder inner wall is provided with cooling body, and cooling body extends to the inside of return channel.
According to the technical scheme, the reverse starting driving mechanism drives the mold pushing mechanism to descend, the four hole grooves can be prevented from being blocked, the mold pushing mechanism is adjusted through an external switch, finally the forward starting driving mechanism can drive the mold pushing mechanism to ascend and insert into the four hole grooves, the rear auxiliary frame is ejected out of the mold core of the lower mold, water is added into the cooling mechanism and the cooling mechanism is started, the cold water circularly flows through the cooling mechanism and continuously contacts with the inner wall of the return groove, so that the interior of the return groove is continuously cooled, and the cooling efficiency of molten metal is improved.
The utility model further provides that the mould pushing mechanism comprises a hollow threaded rod, a worm wheel and a threaded plate, wherein the hollow threaded rod is rotatably connected between the top of the inner wall of the groove body and the bottom of the inner wall, the worm wheel is connected to the outer surface of the hollow threaded rod, and the threaded plate is in threaded connection with the outer surface of the hollow threaded rod.
According to the technical scheme, the hollow threaded rod is driven by the worm wheel to rotate forward or reversely, so that the threaded plate can be driven to ascend or descend.
The utility model further provides that the mould pushing mechanism further comprises four U-shaped seats, four electric rotating shafts, four plugging plates and four annular push rods, wherein the four U-shaped seats are connected to the top of the threaded plate, the four U-shaped seats are respectively positioned at four corners of the threaded plate, the four electric rotating shafts are respectively connected between two sides of the inner walls of the four U-shaped seats in a rotating way, the four plugging plates are respectively connected to the outer surfaces of the four electric rotating shafts, the four plugging plates are respectively attached to four holes at the top of the inner wall of the groove body, and the four annular push rods are respectively connected to the bottoms of the four plugging plates.
According to the technical scheme, the four plugging plates are driven to descend through the threaded plates to remove plugging of the four hole grooves, the four electric rotating shafts are started to rotate through the external switch, so that the four plugging plates are driven to turn over one hundred eighty degrees, the four annular push rods can face upwards, finally the four annular push rods are driven to ascend through the threaded plates, and the rear auxiliary frame can be ejected after being inserted into the four hole grooves, and demoulding work is completed.
The utility model is further arranged that two sides of the screw plate are respectively attached to the inside of the groove body.
According to the technical scheme, the threaded plate capable of ascending and descending through rotation of the threads can be limited and moved.
The utility model further provides that the driving mechanism comprises a motor and a worm, the motor is connected to the bottom of the inner wall of the groove body, the worm is rotatably connected to one side of the inner wall of the groove body, one end of the worm is connected with one end of an output shaft of the motor, and the outer surface of the worm is meshed with the worm wheel.
According to the technical scheme, the output shaft of the motor is started to drive the worm to rotate, so that the worm drives the mold pushing mechanism to move up and down, and the molded rear auxiliary frame is ejected and demolded.
The cooling mechanism comprises a cooling box, a water inlet, a water pump, a water inlet pipe, a winding pipe and a return pipe, wherein the cooling box is connected to the bottom of the inner wall of the die holder, the water inlet is formed in the top of the cooling box, the water pump is connected to the top of the cooling box, the input end of the water pump extends to the inside of the cooling box, the water inlet pipe is connected with the output end of the water pump, one end of the water inlet pipe extends to the inside of the circular groove, the winding pipe is connected in a circular shape in the inside of the circular groove, the outer surface of the winding pipe is connected with one end of the water inlet pipe, the return pipe is connected to the top of the cooling box, and one end of the return pipe extends to the inside of the circular groove and is connected with the outer surface of the winding pipe.
According to the technical scheme, the water pump is started to convey cold water in the cooling box to the inside of the winding pipe through the water inlet pipe, the cold water is in contact with the inner wall of the return groove through the winding pipe, and the inner wall of the return groove can be cooled and molten metal can be cooled, so that the cooling speed of the molten metal is improved.
The cooling mechanism further comprises a fan and a radiating hole, the cooling box is connected to the top of the cooling box, and the radiating hole is formed in the top of the cooling box.
According to the technical scheme, the fan is started to blow air to the inner water of the cooling box, the air is cooled, the cooling box is matched with the refrigeration of the cooling box to dissipate heat of the water faster, the rapid cooling effect is achieved, and finally air is discharged from the cooling holes.
The utility model is further arranged that the bottom of the die holder is connected with a charging barrel, the inside of the charging barrel is connected with a feeding pipe, and the top end of the feeding pipe extends to the top of the lower die.
According to the technical scheme, the metal liquid can be conveyed into the mold core of the lower mold through the feeding pipe for pouring by adding compressed air into the charging barrel.
The beneficial effects of the utility model are as follows:
1. According to the utility model, under the action of the set mold pushing mechanism and driving mechanism, the rear auxiliary frame formed in the lower mold can be ejected from the four stress points, and the hole groove can be blocked, so that the forming of molten metal in the mold core is not influenced, the rear auxiliary frame is not required to be warped by a worker by means of a crowbar in the process, the damage to the rear auxiliary frame is avoided, and the demolding efficiency and the demolding quality of the worker are improved.
2. According to the utility model, under the action of the cooling mechanism, the cooling mechanism can continuously circularly cool the molten metal in the lower die through the return groove, so that the cooling speed of the molten metal is accelerated, the molding efficiency of the rear auxiliary frame is improved, and the working efficiency of the auxiliary frame after the device is produced is further improved.
Drawings
FIG. 1 is a front view of a rear subframe low pressure casting mold according to the present utility model;
FIG. 2 is a schematic view showing the position of a feed pipe of a low pressure casting die for a rear subframe according to the present utility model;
FIG. 3 is a schematic diagram of the structure of the groove body of the lower die according to the present utility model;
fig. 4 is a schematic structural view of a pushing mechanism and a driving mechanism of a low-pressure casting die for a rear subframe according to the present utility model;
Fig. 5 is a schematic view of a part of a mold pushing mechanism of a low-pressure casting mold for a rear subframe according to the present utility model;
Fig. 6 is a schematic structural diagram of a cooling mechanism of a low-pressure casting mold for a rear subframe according to the present utility model.
The drawing shows that the mold comprises a mold seat 1, a mold seat 2, an upper mold, a lower mold, a mold pushing mechanism 401, a hollow threaded rod, a gear 402, a gear 403, a threaded plate 404, a U-shaped seat 405, an electric rotating shaft 406, a plugging plate 407, an annular push rod 5, a driving mechanism 501, a motor 502, a worm 6, a cooling mechanism 601, a cooling box 602, a water inlet 603, a water pump 604, a water inlet pipe 605, a winding pipe 606, a return pipe 607, a fan 608 and a cooling hole.
Detailed Description
The technical scheme of the patent is further described in detail below with reference to the specific embodiments.
Embodiments of the present patent are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the patent and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be configured and operated in a particular orientation, and are therefore not to be construed as limiting the patent.
In the description of this patent, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the terms in this patent will be understood by those of ordinary skill in the art as the case may be.
Referring to fig. 1-6, the low-pressure casting die for the rear auxiliary frame comprises a die holder 1, an upper die 2 is connected to the top of the inner wall of the die holder 1, a lower die 3 is connected to the bottom of the inner wall of the die holder 1, a groove body is formed in the lower die 3, a pushing die mechanism 4 is arranged between the bottom of the inner wall of the groove body and the top of the inner wall, a driving mechanism 5 is arranged at the bottom of the inner wall of the groove body, the driving mechanism 5 is meshed with the pushing die mechanism 4, a circular groove is formed in the top of the lower die 3, a cooling mechanism 6 is arranged at the bottom of the inner wall of the die holder 1, the cooling mechanism 6 extends to the inside of the circular groove, when the rear auxiliary frame formed in the lower die 3 is required to be ejected out, the driving mechanism 5 is reversely started to drive the pushing die mechanism 4 to stop four hole grooves, then the pushing die mechanism 4 is regulated by an external switch, finally the driving mechanism 5 is started to be capable of being lifted and inserted into the inside of the four hole grooves, the rear auxiliary frame can be ejected from the die core of the lower die 3 by adding water into the cooling mechanism 6 and starting the cooling mechanism 6, and the cooling mechanism 6 is enabled to circularly flow through the cooling mechanism 6, and cooling liquid is enabled to continuously cool the inside the circular groove.
In order to facilitate the up-and-down movement of the threaded plate 403, referring to fig. 4-5, the mold pushing mechanism 4 includes a hollow threaded rod 401, a worm wheel 402 and a threaded plate 403, the hollow threaded rod 401 is rotatably connected between the top of the inner wall of the tank body and the bottom of the inner wall, the worm wheel 402 is connected to the outer surface of the hollow threaded rod 401, the threaded plate 403 is in threaded connection with the outer surface of the hollow threaded rod 401, and the hollow threaded rod 401 is driven to rotate forward or reverse through the worm wheel 402, so that the threaded plate 403 is convenient to ascend or descend.
In order to facilitate ejection of the rear auxiliary frame, referring to fig. 3-5, the mold pushing mechanism 4 further comprises four U-shaped seats 404, four electric rotating shafts 405, four plugging plates 406 and four annular push rods 407, the four U-shaped seats 404 are all connected to the tops of the threaded plates 403, the four U-shaped seats 404 are respectively located at four corners of the threaded plates 403, the four electric rotating shafts 405 are all rotationally connected between two sides of the inner walls of the four U-shaped seats 404, the four plugging plates 406 are respectively connected to the outer surfaces of the four electric rotating shafts 405, the four plugging plates 406 are respectively attached to four hole grooves at the tops of the inner walls of the groove bodies, the four annular push rods 407 are respectively connected to the bottoms of the four plugging plates 406, after metal liquid in the lower mold 3 is molded, the four plugging plates 406 are driven to descend to remove the plugging of the four hole grooves through the threaded plates 403, and then the four electric rotating shafts 405 are started to rotate through external switches, so that the four plugging plates 406 are driven to turn over one hundred eighty degrees, the four annular push rods 407 are upwards, finally, the four annular push rods 407 are driven to lift the four annular push rods 407 into four annular push rods to be inserted into four hole grooves, and the auxiliary frame can be conveniently ejected.
To limit the vertical movement of the screw plate 403, referring to fig. 2, both sides of the screw plate 403 are respectively bonded to the inside of the groove body, and both sides of the screw plate 403 are bonded to the groove body, so that the vertical movement of the screw plate 403 can be limited.
In order to facilitate the transmission of the lower die 3 to demold the rear auxiliary frame, referring to fig. 3-4, the driving mechanism 5 comprises a motor 501 and a worm 502, the motor 501 is connected to the bottom of the inner wall of the tank body, the worm 502 is rotationally connected to one side of the inner wall of the tank body, one end of the worm 502 is connected with one end of the output shaft of the motor 501, the outer surface of the worm 502 is meshed with the worm wheel 402, the output shaft of the motor 501 is started to drive the worm 502 to rotate, and the worm 502 can drive the die pushing mechanism 4 to move up and down to eject the molded rear auxiliary frame.
In order to accelerate the speed of molten metal forming, referring to fig. 6, cooling mechanism 6 includes cooling tank 601, water inlet 602, water pump 603, inlet tube 604, winding pipe 605 and back flow 606, the bottom at die holder 1 inner wall is connected to cooling tank 601, the top at cooling tank 601 is seted up to water inlet 602, water pump 603 connects at cooling tank 601's top, and the input of water pump 603 extends to cooling tank 601's inside, inlet tube 604 is connected with the output of water pump 603, and the one end of inlet tube 604 extends to the inside of return channel, winding pipe 605 is the shape of returning and connects in the inside of return channel, and the surface of winding pipe 605 is connected with the one end of inlet tube 604, back flow 606 connects at cooling tank 601's top, and the one end of back flow 606 extends to the inside of return channel and is connected with the surface of winding pipe 605, start water pump 603 carries the inside of cooling tank 601 to the inside of winding pipe 605 through inlet tube 604, the cold water passes through winding pipe 605 and the contact of return channel inner wall, can cool down to the return channel inner wall, thereby cool down to the molten metal, can improve the speed of molten metal cooling.
In order to always provide cold water, referring to fig. 6, the cooling mechanism 6 further includes a fan 607 and a heat dissipation hole 608, the cooling tank 601 is connected to the top of the cooling tank 601, the heat dissipation hole 608 is formed in the top of the cooling tank 601, the fan 607 blows air to the inside of the cooling tank 601 to cool the water after heat absorption, and the cooling mechanism is matched with the cooling tank 601 to cool the water, so that the water dissipates heat faster, the rapid cooling effect is achieved, and finally air is discharged from the heat dissipation hole 608.
In order to convey the molten metal into the lower die 3, referring to fig. 1-2, the bottom of the die holder 1 is connected with a feed cylinder, the inside of the feed cylinder is connected with a feed pipe, the top end of the feed pipe extends to the top of the lower die 3, and the molten metal in the feed cylinder can be conveyed into the die core of the lower die 3 for molding through the feed pipe by driving compressed air into the feed cylinder.
During use, the upper die 2 and the lower die 3 are clamped through the die holder 1, then gas is conveyed into the feed cylinder, metal liquid in the feed cylinder can be conveyed into a die core arranged at the top of the lower die 3, when demoulding is required to be carried out on a rear auxiliary frame formed in the lower die 3, the motor 501 is reversely started, the output shaft of the motor 501 drives the worm 502 to reversely rotate, the transmission worm wheel 402 drives the hollow threaded rod 401 to rotate when the worm 502 rotates, the screw plate 403 descends on the outer surface of the hollow threaded rod 401, the four plugging plates 406 descend and do not plug four hole grooves, at the moment, the four electric rotating shafts 405 are started through an external switch to rotate, the four plugging plates 406 are driven to turn over one hundred eighty degrees, the four annular push rods 407 are driven by the starting motor 501 to positively rotate, the screw plate 403 to ascend through the four U-shaped seats 404, the four annular push rods 407 connected to the four annular push rods 406 are inserted into the four hole grooves, the screw plate 403 to descend on the outer surface of the hollow threaded rod 401, the four annular push rods 403 are led into the four hole grooves, the four annular push rods 403 to be cooled down through the cooling water pump 601, the cooling water is required to be fed into the inner wall of the cooling tank 601 through the cooling water pump 601, the cooling water pump 601 to be cooled down through the cooling tank 601, the cooling water pump is started when the cooling tank is required to be cooled, the cooling water is fed into the cooling tank 601, the cooling water is cooled down through the cooling tank 601, the cooling water is cooled, the cooling tank is cooled, and the cooling water is cooled down through the cooling water pump is cooled water pump 601, and the cooling water is cooled down through the cooling water pump 601, and then the cooling water is cooled down through the cooling water pump 601, and the cooling water is cooled down and cooled by the water pump 601, so that the water in the cooling tank 601 is rapidly cooled and radiated, and finally the hot air can be discharged through the radiation holes 608.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The low-pressure casting die for the rear auxiliary frame comprises a die holder (1) and is characterized in that the top of the inner wall of the die holder (1) is connected with an upper die (2), the bottom of the inner wall of the die holder (1) is connected with a lower die (3), a groove body is formed in the lower die (3), a pushing die mechanism (4) is arranged between the bottom of the inner wall of the groove body and the top of the inner wall, a driving mechanism (5) is arranged at the bottom of the inner wall of the groove body, the driving mechanism (5) is meshed with the pushing die mechanism (4), a circular groove is formed in the top of the lower die (3), a cooling mechanism (6) is arranged at the bottom of the inner wall of the die holder (1), and the cooling mechanism (6) extends to the inside of the circular groove;
The die pushing mechanism (4) comprises a hollow threaded rod (401), a worm wheel (402) and a threaded plate (403), wherein the hollow threaded rod (401) is rotatably connected between the top of the inner wall of the tank body and the bottom of the inner wall, the worm wheel (402) is connected to the outer surface of the hollow threaded rod (401), and the threaded plate (403) is in threaded connection with the outer surface of the hollow threaded rod (401);
The driving mechanism (5) comprises a motor (501) and a worm (502), the motor (501) is connected to the bottom of the inner wall of the tank body, the worm (502) is rotationally connected to one side of the inner wall of the tank body, one end of the worm (502) is connected with one end of an output shaft of the motor (501), and the outer surface of the worm (502) is meshed with the worm wheel (402).
2. The low-pressure casting mold for the rear subframe according to claim 1, wherein the mold pushing mechanism (4) further comprises four U-shaped seats (404), four electric rotating shafts (405), four plugging plates (406) and four annular push rods (407), the four U-shaped seats (404) are all connected to the tops of the threaded plates (403), the four U-shaped seats (404) are respectively located at four corners of the threaded plates (403), the four electric rotating shafts (405) are all rotationally connected between two sides of the inner walls of the four U-shaped seats (404), the four plugging plates (406) are respectively connected to the outer surfaces of the four electric rotating shafts (405), the four plugging plates (406) are respectively attached to four holes at the tops of the inner walls of the groove bodies, and the four annular push rods (407) are respectively connected to the bottoms of the four plugging plates (406).
3. The low-pressure casting die for the rear subframe according to claim 2, wherein both sides of the screw plate (403) are respectively attached to the inside of the tank body.
4. The rear subframe low pressure casting die according to claim 1, wherein the cooling mechanism (6) comprises a cooling tank (601), a water inlet (602), a water pump (603), a water inlet pipe (604), a winding pipe (605) and a return pipe (606), the cooling tank (601) is connected to the bottom of the inner wall of the die holder (1), the water inlet (602) is formed at the top of the cooling tank (601), the water pump (603) is connected to the top of the cooling tank (601), the input end of the water pump (603) extends to the inside of the cooling tank (601), the water inlet pipe (604) is connected with the output end of the water pump (603), one end of the water inlet pipe (604) extends to the inside of the circular groove, the winding pipe (605) is connected in a circular shape inside of the circular groove, the outer surface of the winding pipe (605) is connected with one end of the water inlet pipe (604), the return pipe (606) is connected to the top of the cooling tank (601), and one end of the return pipe (606) extends to the inside of the circular groove and is connected with the outer surface of the winding pipe (605).
5. The low-pressure casting die for the rear subframe according to claim 4, wherein the cooling mechanism (6) further comprises a fan (607) and a heat radiation hole (608), the cooling tank (601) is connected to the top of the cooling tank (601), and the heat radiation hole (608) is formed in the top of the cooling tank (601).
6. The low-pressure casting die for the rear subframe according to claim 5, wherein a barrel is connected to the bottom of the die holder (1), a feed pipe is connected to the inside of the barrel, and the top end of the feed pipe extends to the top of the lower die (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422748813.0U CN223603410U (en) | 2024-11-12 | 2024-11-12 | Low-pressure casting die for rear auxiliary frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422748813.0U CN223603410U (en) | 2024-11-12 | 2024-11-12 | Low-pressure casting die for rear auxiliary frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223603410U true CN223603410U (en) | 2025-11-28 |
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ID=97781198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422748813.0U Active CN223603410U (en) | 2024-11-12 | 2024-11-12 | Low-pressure casting die for rear auxiliary frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223603410U (en) |
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2024
- 2024-11-12 CN CN202422748813.0U patent/CN223603410U/en active Active
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