Automobile crankshaft forging die with efficient cooling function

Abstract

The utility model discloses an efficient cooling automobile crankshaft forging die, which relates to the field of forging processing and comprises a base, a hydraulic machine is arranged on the base, cooling boxes are fixedly arranged at the movable end of the hydraulic machine and the base, and an upper die and a lower die are respectively mounted in the two cooling boxes. The upper mold and the lower mold are respectively sealed with the two cooling boxes; a water-cooling radiator is arranged on the base, and cooling liquid is stored in the water-cooling radiator. The mold has the beneficial effects that the upper mold and the lower mold are soaked in the cooling liquid of the cooling box, the upper mold and the lower mold can be rapidly cooled through the cooling liquid, the contact area between the upper mold and the cooling liquid and between the lower mold and the cooling liquid can be increased by forming the hole channels, and the cooling liquid can be cooled through the water-cooling radiator; the opposite faces of the upper mold and the lower mold are cooled through the air cooling assembly, the cooling efficiency of the upper mold and the lower mold can be remarkably improved in an air cooling and liquid cooling combined mode, and then the production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to forging processing technical field, concretely relates to a high -efficient cooling's automobile crankshaft forging die. BACKGROUND

[0002] In the automobile crankshaft forging process, the die will be rapidly heated because of bearing high temperature and high pressure, and the overhigh temperature not only can influence the service life of the die, but also can lead to the die deformation, thereby influencing the quality and precision of the forging product.

[0003] The traditional cooling mode is generally low in efficiency, and the staff generally holds the air blowing device to blow the die surface, so the die is cooled down, and therefore this mode is difficult to meet the demand of efficient production. UTILITY MODEL CONTENT

[0004] The utility model discloses a high -efficient cooling's automobile crankshaft forging die, and the detailed description is set forth below.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] The utility model provides a high -efficient cooling's automobile crankshaft forging die, including the base, be provided with the hydraulic press on the base, and the movable end of hydraulic press and the base are all fixedly provided with cooling box, install upper die and lower die in two cooling boxes respectively, and upper die and lower die are sealed with two cooling boxes respectively,

[0007] The base is provided with a water cooling radiator, and the water cooling radiator stores cooling liquid, and the water cooling radiator is communicated with the two cooling boxes, so that the cooling liquid can circulate in the two cooling boxes.

[0008] The upper die and the lower die are provided with a plurality of holes for the flow of the cooling liquid.

[0009] The base is provided with an air cooling assembly for air cooling the opposite surfaces of the upper die and the lower die.

[0010] The above-mentioned high -efficient cooling's automobile crankshaft forging die is used, the heated metal raw material is placed on the lower die, the upper die is driven to move downward by the hydraulic press, the metal raw material is stamped into the automobile crankshaft, the upper die and the lower die are soaked in the cooling liquid in the cooling box, the upper die and the lower die can be quickly cooled by the cooling liquid, and the contact area of the upper die and the lower die with the cooling liquid can be improved by the holes.

[0011] The water cooling radiator can dissipate heat to the cooling liquid, and the air cooling assembly is used to dissipate heat to the opposite surfaces of the upper die and the lower die after the stamped workpiece is taken away from the lower die.

[0012] As preferred, the upper mold and the lower mold are fixed with a fixed frame, and the cooling box is provided with a rectangular groove, and the fixed frame is in clearance fit with the rectangular groove.

[0013] As preferred, the rectangular groove is provided with a sealing gasket, and the sealing gasket is in contact with the fixed frame.

[0014] As preferred, the cooling box and the fixed frame are provided with a mounting assembly for pulling the fixed frame so that the fixed frame extrudes the sealing gasket.

[0015] As preferred, the mounting assembly comprises a plurality of connecting plates distributed on both sides of the fixed frame, the connecting plates are fixed with a fixed plate, the fixed plate is provided with a through hole, and a bolt is penetratingly arranged in the through hole, the bolt is threadedly connected with a threaded sleeve on the surface, the threaded sleeve is fixed on the surface of the cooling box, and the end cap of the bolt is in contact with the side of the fixed plate opposite to the threaded sleeve.

[0016] As preferred, the fixed frame is fixed with an ear on both sides.

[0017] As preferred, the cooling box is fixed with a support plate for supporting the upper mold and the lower mold respectively.

[0018] As preferred, the air cooling assembly comprises an electric sliding rail horizontally arranged on the hydraulic machine, and the moving end of the electric sliding rail is fixed with two fans through a connecting frame, and the two fans are respectively corresponding to the opposite surfaces of the upper mold and the lower mold.

[0019] As preferred, the input end and the output end of the water cooling radiator are respectively communicated with a circulating pump one and a circulating pump two, the circulating pump one is communicated with the output ends of the two cooling boxes through two water pipes one respectively, the circulating pump two is communicated with the input ends of the two cooling boxes through two water pipes two respectively, the water pipes one and the water pipes two are all flexible pipes, and the input end and the output end of the water cooling radiator are provided with valves.

[0020] The beneficial effects are that:

[0021] 1. The upper mold and the lower mold are soaked in the cooling liquid in the cooling box, the cooling liquid can quickly cool the upper mold and the lower mold, the opening can increase the contact area of the upper mold and the lower mold with the cooling liquid, the water cooling radiator can cool the cooling liquid, the air cooling assembly can cool the opposite surfaces of the upper mold and the lower mold, and the combination of air cooling and liquid cooling can significantly improve the heat dissipation efficiency of the upper mold and the lower mold, thereby improving the production efficiency.

[0022] 2. The upper mold and the lower mold are installed in the two cooling boxes through the mounting assembly, so that the upper mold and the lower mold can be replaced separately, and the cooling box can be used for a long time, thereby saving cost. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the accompanying drawings required to be used in the following embodiment or prior art description will be briefly introduced. Obviously, the accompanying drawings in the following description are only some embodiments of the present application, and all other embodiments obtained by those skilled in the art without creative labor based on these drawings also belong to the scope of protection of the present application.

[0024] Figure 1 is a front view structural schematic diagram of the present application;

[0025] Figure 2 is a three-dimensional structural schematic diagram of the present application;

[0026] Figure 3 is a three-dimensional structural schematic diagram of the cooling box of the present application;

[0027] Figure 4 is a three-dimensional structural schematic diagram of the lower mold of the present application;

[0028] Figure 5 is a three-dimensional structural schematic diagram of the cooling box from another perspective of the present application.

[0029] The following is the explanation of the reference signs:

[0030] 1, base; 2, hydraulic machine; 3, cooling box; 4, upper mold; 5, lower mold; 6, support plate; 7, air cooling assembly; 8, electric sliding rail; 9, connecting frame; 10, fan; 11, water cooling radiator; 12, circulating pump one; 13, water pipe one; 14, circulating pump two; 15, water pipe two; 16, fixed frame; 17, lifting lug; 18, mounting assembly; 19, connecting plate; 20, bolt; 21, fixed plate; 22, threaded sleeve; 23, hole; 24, sealing gasket; 25, rectangular groove. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical scheme and advantages of the present application more clear, the technical scheme of the present application will be described in detail below. Obviously, the described embodiments are only some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor also belong to the scope of protection of the present application.

[0032] Referring to Figures 1-5 The present application provides a kind of high-efficiency cooling's automobile crankshaft forging die, including base 1, base 1 is provided with hydraulic machine 2, and the movable end of hydraulic machine 2 and base 1 are all fixedly provided with cooling box 3, two cooling boxes 3 are respectively installed with upper mold 4 and lower mold 5, and upper mold 4 and lower mold 5 are respectively sealed with two cooling boxes 3.

[0033] The base 1 is provided with a water-cooled radiator 11, and the water-cooled radiator 11 stores cooling liquid, and the water-cooled radiator 11 is communicated with the two cooling boxes 3, so that the cooling liquid can circulate in the two cooling boxes 3;

[0034] The upper die 4 and the lower die 5 are both provided with a plurality of holes 23 for the flow of the cooling liquid;

[0035] The base 1 is provided with an air-cooled assembly 7 for air-cooling the opposite surfaces of the upper die 4 and the lower die 5.

[0036] As an optional embodiment, the upper die 4 and the lower die 5 are both fixed with a fixed frame 16, the cooling box 3 is provided with a rectangular groove 25, and the fixed frame 16 is in clearance fit with the rectangular groove 25, and the rectangular groove 25 and the fixed frame 16 are used for positioning the upper die 4 and the lower die 5.

[0037] The rectangular groove 25 is provided with a sealing gasket 24, and the sealing gasket 24 is in contact with the fixed frame 16, and the sealing gasket 24, the rectangular groove 25 and the fixed frame 16 are used for sealing the upper die 4, the lower die 5 and the cooling box 3.

[0038] The cooling box 3 and the fixed frame 16 are provided with a mounting assembly 18 for pulling the fixed frame 16 to extrude the sealing gasket 24.

[0039] The mounting assembly 18 comprises a plurality of connecting plates 19, the connecting plates 19 are distributed on both sides of the fixed frame 16, the connecting plates 19 are fixed with a fixed plate 21, the fixed plate 21 is provided with a through hole, and a bolt 20 is penetratingly arranged in the through hole, a threaded sleeve 22 is threadedly connected to the surface of the bolt 20, and the threaded sleeve 22 is fixed on the surface of the cooling box 3, and the end cap of the bolt 20 is in contact with the side of the fixed plate 21 which is opposite to the threaded sleeve 22;

[0040] The upper die 4 and the lower die 5 are mounted in the two cooling boxes 3 through the mounting assembly 18, so that the upper die 4 and the lower die 5 can be replaced conveniently;

[0041] By rotating the bolt 20, the fixed plate 21 and the connecting plate 19 can be pulled by the cooperation of the bolt 20 and the threaded sleeve 22, so that the fixed frame 16 is extruded to the sealing gasket 24, thereby improving the sealing between the upper die 4, the lower die 5 and the cooling box 3.

[0042] The fixed frame 16 is fixed with an ear 17 on both sides, and the ear 17 is used for connecting the hoisting equipment with the upper die 4 and the lower die 5, thereby facilitating the replacement of the upper die 4 and the lower die 5.

[0043] Supporting plates 6 are fixed in the cooling boxes 3 and are used for supporting the upper die 4 and the lower die 5 respectively, since the upper die 4 and the lower die 5 will bear great pressure when extruding metal parts, the supporting plates 6 can improve the supporting strength of the cooling boxes 3 on the upper die 4 and the lower die 5.

[0044] The air cooling assembly 7 comprises an electric slide rail 8 horizontally arranged on the hydraulic machine 2, and the moving end of the electric slide rail 8 is fixed with two fans 10 through a connecting frame 9, and the two fans 10 correspond to the opposite surfaces of the upper die 4 and the lower die 5 respectively.

[0045] The two fans 10 are moved by the electric slide rail 8, so that the fans 10 move between the upper die 4 and the lower die 5, and the two fans 10 can cool the surfaces of the upper die 4 and the lower die 5.

[0046] The input end and the output end of the water cooling radiator 11 are communicated with a circulating pump one 12 and a circulating pump two 14 respectively, and the water cooling radiator 11 is provided with electronic fans for cooling the water cooling radiator 11, the circulating pump one 12 is communicated with the output ends of the two cooling boxes 3 through two water pipes one 13 respectively, the circulating pump two 14 is communicated with the input ends of the two cooling boxes 3 through two water pipes two 15 respectively, the water pipes one 13 and the water pipes two 15 are flexible pipes, and the input end and the output end of the water cooling radiator 11 are provided with valves.

[0047] The circulating pump one 12, the circulating pump two 14, the two water pipes one 13 and the two water pipes two 15 cooperate to make the cooling liquid in the two cooling boxes 3 circulate in the water cooling radiator 11 and be cooled, and the water cooling radiator 11 is a prior art, and the structure principle is not described herein.

[0048] By adopting the above structure, the heated metal raw material is placed on the lower die 5, the upper die 4 is moved downward by the hydraulic machine 2 to stamp the metal raw material into an automobile crankshaft, the upper die 4 and the lower die 5 are soaked in the cooling liquid in the cooling boxes 3, the cooling liquid can quickly cool the upper die 4 and the lower die 5, and the hole channels 23 can improve the contact area of the upper die 4 and the lower die 5 with the cooling liquid.

[0049] The cooling liquid is cooled by the water cooling radiator 11, and the workpiece after being stamped is taken away from the lower die 5, and then the air cooling assembly 7 is used to cool the opposite surfaces of the upper die 4 and the lower die 5.

[0050] The above merely describes the specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A high-efficiency cooling automotive crankshaft forging die, characterized in that: Includes a base (1), on which a hydraulic press (2) is provided, and cooling boxes (3) are fixedly provided on both the movable end of the hydraulic press (2) and the base (1). An upper mold (4) and a lower mold (5) are respectively installed in the two cooling boxes (3), and the upper mold (4) and the lower mold (5) are respectively sealed to the two cooling boxes (3). The base (1) is provided with a water-cooled radiator (11), and the water-cooled radiator (11) stores coolant. The water-cooled radiator (11) is connected to two cooling tanks (3), which allows the coolant to circulate in the two cooling tanks (3). Both the upper mold (4) and the lower mold (5) are provided with a number of channels (23) for the flow of coolant; The base (1) is provided with a wind-cooling component (7) for air-cooling heat dissipation of the opposite surfaces of the upper mold (4) and the lower mold (5).

2. The high-efficiency cooling automotive crankshaft forging die according to claim 1, characterized in that: The upper mold (4) and the lower mold (5) are both fixed with a fixing frame (16), and a rectangular groove (25) is opened in the cooling box (3), and the fixing frame (16) and the rectangular groove (25) are fitted with a clearance.

3. The high-efficiency cooling automotive crankshaft forging die according to claim 2, characterized in that: A sealing gasket (24) is provided inside the rectangular groove (25), and the sealing gasket (24) is in contact with the fixing frame (16).

4. The high-efficiency cooling automotive crankshaft forging die according to claim 3, characterized in that: An installation assembly (18) is provided between the cooling box (3) and the fixed frame (16) for pulling the fixed frame (16) to squeeze the sealing gasket (24).

5. The high-efficiency cooling automotive crankshaft forging die according to claim 4, characterized in that: The mounting assembly (18) includes several connecting plates (19), which are distributed on both sides of the fixing frame (16). A fixing plate (21) is fixed on the connecting plate (19). A through hole is opened in the fixing plate (21), and a bolt (20) is inserted through the through hole. A threaded sleeve (22) is threaded on the surface of the bolt (20), and the threaded sleeve (22) is fixed on the surface of the cooling box (3). The end cap of the bolt (20) contacts the side of the fixing plate (21) opposite to the threaded sleeve (22).

6. The high-efficiency cooling automotive crankshaft forging die according to claim 5, characterized in that: The fixed frame (16) is fixed with lugs (17) on both sides.

7. The high-efficiency cooling automotive crankshaft forging die according to claim 1, characterized in that: The cooling box (3) is fixed with a support plate (6), which supports the upper mold (4) and the lower mold (5) respectively.

8. The high-efficiency cooling automotive crankshaft forging die according to claim 1, characterized in that: The air-cooled assembly (7) includes an electric slide rail (8), which is horizontally mounted on the hydraulic press (2). The moving end of the electric slide rail (8) is fixed with two fans (10) via a connecting frame (9), and the two fans (10) are respectively opposite to the upper mold (4) and the lower mold (5).

9. The high-efficiency cooling automotive crankshaft forging die according to claim 1, characterized in that: The input and output ends of the water-cooled radiator (11) are respectively connected to a first circulation pump (12) and a second circulation pump (14). The first circulation pump (12) is connected to the output ends of the two cooling tanks (3) through two first water pipes (13). The second circulation pump (14) is connected to the input ends of the two cooling tanks (3) through two second water pipes (15). Both the first water pipe (13) and the second water pipe (15) are flexible hoses. The input and output ends of the water-cooled radiator (11) are equipped with valves.

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