Closed forging die for automobile disc forgings

Abstract

The utility model discloses an automobile disc body forge piece closed type forging die which comprises a lower die body, a U-shaped frame and an upper die body, the U-shaped frame is arranged at the top of the lower die body, the upper die body is arranged at the bottom of the U-shaped frame, a containing cover body is arranged in the lower die body, a first round sleeve is arranged at one end of the containing cover body in a sleeved mode, and a forging cylinder body is arranged at the top of the containing cover body. A second round sleeve is arranged at one end of the forging barrel in a sleeving mode, first arc-shaped blocks are arranged on the two sides of the first round sleeve correspondingly, the containing cover, the first round sleeve, the forging barrel, cooling liquid, a second flow guide pipe, a heat preservation layer and a corrosion-resistant layer are arranged, the forging barrel is embedded into the containing cover, an automobile disc forging is forged and formed in the forging barrel, and therefore the automobile disc forging can be formed conveniently. And cooling liquid can continuously flow back to the interior of the liquid storage barrel through the first flow guide pipe, and the cooling liquid can continuously cool the inner surface of the containing cover body.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile plate forging, in particular to a closed forging die for automobile plate forgings. Background Art

[0002] The closed forging die for automobile disc forgings is a die used for the production of automobile disc forgings. During the die forging process, the flow and filling of the metal are always carried out in a closed cavity, so it is called closed die forging. The characteristic of this die is that the deformed metal cannot be discharged, and the volume of the metal in the die groove remains unchanged, forcing the metal to flow and fill the mold. Only a small amount of burrs are formed during the filling process, but no burrs are formed. Automobile disc forgings are an indispensable part of the automobile manufacturing process. They constitute components of multiple key parts of the automobile. The clutch pressure plate is a key component in the automobile clutch system. It transmits or cuts off the power of the engine through friction with the clutch plate.

[0003] The forging die is divided into upper and lower dies. The upper die needs to be repeatedly forged with the die cavity opened by the lower die. Therefore, the die cavity opened by the lower die is subjected to a large impact force, and burrs and depressions of varying degrees of damage will appear on the inner surface of the die cavity. The die cavity used for forging and forming is installed as an integral part with the lower die. When the die cavity needs to be replaced and repaired, the entire lower die needs to be replaced. Therefore, the damaged die cavity cannot be maintained alone, which increases the cost of the forging die. In addition, the surface temperature of the forging after forging is high, and it often takes a long time to stay for the forging to cool before the material can be unloaded, which affects the continued operation of the forging die. For this reason, a closed forging die for automobile disc forgings is designed. Utility Model Content

[0004] The utility model aims to provide a closed forging die for automobile disc forgings, so as to solve the problem in the above-mentioned background technology that the die cavity and the lower die used for forging are installed in an integrated manner, the surface temperature of the forging after forging is high and it often takes a long time to stay.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a closed forging die for automobile disc forgings, comprising a lower die, a U-shaped frame and an upper die, the U-shaped frame being arranged at the top of the lower die, the upper die being arranged at the bottom of the U-shaped frame, a containing cover body being arranged inside the lower die, a first circular sleeve being sleeved on one end of the containing cover body, a forging cylinder being arranged on the top of the containing cover body, a second circular sleeve being sleeved on one end of the forging cylinder, first arc blocks being arranged on both sides of the first circular sleeve, a liquid storage cylinder being arranged on one side of the bottom of the lower die, a first guide tube being arranged on one side of the outer wall of the liquid storage cylinder, coolant being injected into the inside of the containing cover body, and a thermal insulation layer being arranged inside the containing cover body.

[0006] As a preferred technical solution of the utility model, second arc blocks are fixedly installed on both sides of the second circular sleeve, and the two first arc blocks and the two second arc blocks are respectively threadedly connected by limiting bolts.

[0007] As a preferred technical solution of the present utility model, the positions of the two limit bolts are corresponding.

[0008] As a preferred technical solution of the utility model, a second flow guide tube is fixedly inserted and connected to the other side of the outer wall of the liquid storage cylinder, and one end of the first flow guide tube and the second flow guide tube are respectively fixedly inserted and connected to the outer wall of the containing cover body.

[0009] As a preferred technical solution of the utility model, a water pump is arranged outside the second flow guide pipe, and a corrosion-resistant layer is arranged on the outer surface of the containing cover.

[0010] As a preferred technical solution of the utility model, a liquid inlet pipe is fixedly inserted and connected to the other side of the liquid storage cylinder.

[0011] As a preferred technical solution of the utility model, the first circular sleeve is fixedly sleeved with one end of the accommodating cover body, and the diameter of the first circular sleeve is equal to the diameter of the second circular sleeve.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model discloses a closed forging die for automobile disc forgings. The forging die is provided with a containing cover, a first round sleeve, a forging cylinder, a coolant, a second guide pipe, a heat preservation layer and a corrosion resistant layer. The forging cylinder is embedded in the inside of the containing cover. The automobile disc forging is forged and formed inside the forging cylinder. When the water pump is started, the coolant stored in the liquid storage cylinder can be guided to the inside of the containing cover through the second guide pipe. The corrosion resistant layer is made of stainless steel material and has good heat conduction performance. The temperature can be transferred to the outer surface of the forging cylinder, so that the outer wall of the forging cylinder can be cooled and the forging can be cooled. The cooling can effectively reduce the deformation of the forging, improve the accuracy and dimensional stability of the product, and accelerate the demoulding speed of the automobile disc forging. The coolant can continue to flow back to the inside of the liquid storage cylinder through the first guide pipe, and the coolant can continuously cool the inner surface of the containing cover.

[0014] 2. The utility model provides a closed forging die for automobile disc forgings. By setting a first arc block, a second round sleeve, a second arc block and a limiting bolt, the bottom surface of the second round sleeve and the surface of the first round sleeve are fitted together. After the two limiting bolts are rotated in the opposite direction, the first arc block and the second arc block can be separated from each other, and the accommodating cover body and the forging cylinder body can be detached from each other. Therefore, the structure is convenient for replacing a damaged forging cylinder body, which improves the usability of the forging die. The thermal insulation layer is made of aluminum silicate material, which has good thermal insulation performance and prolongs the preservation time of the corrosion-resistant layer temperature. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a front view structural schematic diagram of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the utility model when viewed from above;

[0017] Figure 3 It is a partial exploded view of the utility model;

[0018] Figure 4 It is a schematic diagram of a partial top view cross-sectional structure of the utility model.

[0019] In the figure: 1. lower mold; 2. U-shaped frame; 3. upper mold; 4. containing cover; 5. first round sleeve; 6. first arc block; 7. second round sleeve; 8. forging cylinder; 9. second arc block; 10. limiting bolt; 11. liquid storage cylinder; 12. liquid inlet pipe; 13. coolant; 14. first guide pipe; 15. second guide pipe; 16. thermal insulation layer; 17. corrosion-resistant layer; 18. water pump. DETAILED DESCRIPTION

[0020] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. 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.

[0021] See also Figure 1-4 The utility model provides a technical solution for a closed forging die for a car plate forging:

[0022] Embodiment 1:

[0023] like Figure 1-3As shown, a closed forging die for a forged automobile plate comprises a lower die 1, a U-shaped frame 2 and an upper die 3, wherein the U-shaped frame 2 is arranged at the top of the lower die 1, and the upper die 3 is arranged at the bottom of the U-shaped frame 2. A containing cover 4 is arranged inside the lower die 1, and a first round sleeve 5 is sleeved on one end of the containing cover 4, a forging cylinder 8 is arranged on the top of the containing cover 4, and a second round sleeve 7 is sleeved on one end of the forging cylinder 8, and first arc blocks 6 are arranged on both sides of the first round sleeve 5, and a liquid storage cylinder 11 is arranged on one side of the bottom of the lower die 1, and a liquid storage cylinder 11 is arranged on one side of the bottom of the lower die 1. One side of the outer wall of the fluid cylinder 11 is provided with a first flow guide tube 14, the inside of the accommodating cover body 4 is injected with a coolant 13, the inside of the accommodating cover body 4 is provided with a heat-insulating layer 16, and the corrosion-resistant layer 17 is made of stainless steel material, which has good heat conduction performance and can transfer the temperature to the outer surface of the forging cylinder 8, thereby the outer wall of the forging cylinder 8 can be cooled and cooled, and the forging can also be cooled. Cooling can effectively reduce the deformation of the forging, improve the accuracy and dimensional stability of the product, and also accelerate the speed of demoulding of the automobile disc forging.

[0024] Embodiment 2:

[0025] Based on the first embodiment, Figure 1 and Figure 4 As shown, the other side of the outer wall of the liquid storage cylinder 11 is fixedly connected with a second guide tube 15, one end of the first guide tube 14 and the second guide tube 15 are respectively fixedly connected with the outer wall of the accommodating cover body 4, a water pump 18 is arranged outside the second guide tube 15, and the outer surface of the accommodating cover body 4 is provided with a corrosion-resistant layer 17. The utility model is a closed forging die for an automobile disc forging. By arranging a first arc block 6, a second circular sleeve 7, a second arc block 9 and a limiting bolt 10, the bottom surface of the second circular sleeve 7 and the surface of the first circular sleeve 5 are fitted to each other. After the two limiting bolts 10 are rotated in the opposite direction, the first arc block 6 and the second arc block 9 can be separated from each other, and the accommodating cover body 4 and the forging cylinder body 8 can be detached from each other.

[0026] Working principle: The closed forging die for automobile disc forgings is a die used for the production of automobile disc forgings. During the die forging process, the flow and filling of the metal are always carried out in a closed cavity, so it is called closed die forging. The characteristic of this die is that the deformed metal cannot be discharged, and the volume of the metal in the die groove remains unchanged, forcing the metal to flow and fill the mold. The filling process only forms a small amount of burrs, but no burrs. Automobile disc forgings are an indispensable part of the automobile manufacturing process. They constitute components of many key parts of the automobile. The clutch pressure plate is a key component in the automobile clutch system. It transmits or cuts off the power of the engine through friction with the clutch plate. The liquid inlet pipe 12 can guide the external cooling liquid to the inside of the liquid storage cylinder 11, and the forging cylinder 8 is embedded in the inside of the containing cover 4. The automobile disc forging is forged and formed inside the forging cylinder 8. After the forging of the automobile disc forging is completed, the staff can start the water pump 18 to guide the coolant 13 stored in the liquid storage cylinder 11 to the inside of the containing cover 4 through the second guide pipe 15. The corrosion-resistant layer 17 Made of stainless steel, it has good heat conduction performance and can quickly transfer the temperature to the outer surface of the forging cylinder 8, so that the outer wall of the forging cylinder 8 can be cooled, and the forging can be cooled. Cooling can effectively reduce the deformation of the forging, improve the accuracy and dimensional stability of the product, and speed up the demoulding speed of the automobile plate forging. The coolant 13 can continue to flow back to the inside of the liquid storage cylinder 11 through the first guide pipe 14, and the coolant 13 can continue to cool the inner surface of the housing 4. The liquid storage cylinder 11 A thermostat is provided inside the casing to control the temperature of the coolant 13. The bottom surface of the second circular sleeve 7 is fitted with the surface of the first circular sleeve 5. After the two limit bolts 10 are rotated in the opposite direction, the first arc block 6 and the second arc block 9 can be separated from each other, and the accommodating cover body 4 and the forging cylinder 8 can be detached from each other. Therefore, this structure facilitates the replacement of a damaged forging cylinder 8, thereby improving the usability of the forging die. The thermal insulation layer 16 is made of aluminum silicate material, which has good thermal insulation performance and prolongs the temperature preservation time of the corrosion-resistant layer 17.

[0027] In the description of the present invention, it is necessary to understand that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0028] In the present invention, unless otherwise clearly stipulated and limited, for example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, for ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0029] 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 closed forging die for automobile plate forgings, comprising a lower die (1), a U-shaped frame (2) and an upper die (3), wherein the U-shaped frame (2) is arranged on the top of the lower die (1), and the upper die (3) is arranged on the bottom of the U-shaped frame (2), characterized in that: The lower die (1) is provided with a containing cover (4) inside, one end of the containing cover (4) is sleeved with a first circular sleeve (5), the top of the containing cover (4) is provided with a forging cylinder (8), one end of the forging cylinder (8) is sleeved with a second circular sleeve (7), first arc blocks (6) are provided on both sides of the first circular sleeve (5), a liquid storage cylinder (11) is provided on one side of the bottom of the lower die (1), a first guide tube (14) is provided on one side of the outer wall of the liquid storage cylinder (11), a cooling liquid (13) is injected into the inside of the containing cover (4), and a heat preservation layer (16) is provided inside the containing cover (4).

2. The closed forging die for automobile plate forging according to claim 1, characterized in that: Second arc blocks (9) are fixedly mounted on both sides of the second circular sleeve (7), and the two first arc blocks (6) and the two second arc blocks (9) are respectively threadedly connected via limiting bolts (10).

3. The closed forging die for automobile plate forging according to claim 2, characterized in that: The two limiting bolts (10) are arranged at corresponding positions.

4. The closed forging die for automobile plate forging according to claim 1, characterized in that: A second flow guide tube (15) is fixedly inserted and connected to the other side of the outer wall of the liquid storage cylinder (11), and one end of the first flow guide tube (14) and the second flow guide tube (15) are respectively fixedly inserted and connected to the outer wall of the accommodating cover body (4).

5. The closed forging die for automobile plate forging according to claim 4, characterized in that: A water pump (18) is provided outside the second flow guide pipe (15), and a corrosion-resistant layer (17) is provided on the outer surface of the containing cover (4).

6. The closed forging die for automobile plate forging according to claim 4, characterized in that: The other side of the liquid storage cylinder (11) is fixedly connected with a liquid inlet pipe (12).

7. The closed forging die for automobile plate forging according to claim 1, characterized in that: The first circular sleeve (5) is fixedly sleeved on one end of the accommodating cover body (4), and the diameter of the first circular sleeve (5) is equal to the diameter of the second circular sleeve (7).

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