Hot press forming die

Abstract

The utility model discloses a hot press forming die, and belongs to the technical field of hot press forming. The hot-pressing device mainly comprises a hot-pressing assembly which is provided with four groups of guide rods for guiding an upper die; the lubricating assembly comprises a first fixing clamp installed on the upper die, and a second fixing clamp is hinged to the first fixing clamp; sponge blocks are arranged on the second fixing clamp and the first fixing clamp, dustproof plates are installed on the second fixing clamp and the first fixing clamp, and the dustproof plates are communicated with oil injection pipes. The placing assembly is provided with an oil bottle, the oil bottle is provided with an oil outlet, a manual valve is arranged at the oil outlet, a connecting pipe is arranged on the manual valve, and the connecting pipe is provided with two groups of flow dividing pipes. According to the hot press forming mold, by adjusting the manual valve, lubricating liquid flows into the oil injection pipe through the connecting pipe and the flow dividing pipe, the lubricating oil is conveyed to the portion below the dustproof plate through the oil injection pipe to wet the sponge block, and when the upper mold moves up and down along the guide rod, the wet sponge block makes contact with the guide rod to achieve lubrication.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of hot press forming, in particular to a hot press forming die. BACKGROUND

[0002] The new energy automobile rotary variable support is an important part for ensuring the accurate operation of the motor, and needs to have extremely high dimensional accuracy and good mechanical properties. The spheroidal graphite cast iron becomes a material with great potential for manufacturing the rotary variable support, by virtue of the advantage of recycling and reprocessing waste iron. The new energy automobile rotary variable support has extremely high requirements for dimensional accuracy and a complex shape. The hot press die can provide an accurate cavity, and under the action of pressure, the spheroidal graphite cast iron raw material can accurately fill each part of the cavity, so that the dimensional accuracy of the formed rotary variable support meets the design requirements.

[0003] A patent with the publication number CN218615029U discloses a PET sheet hot press forming die, which comprises a lower die, a guide rod, an upper die, an oil storage tank, a PET sheet hot press forming machine, a cylinder, an oil outlet pipe, a guide block and a guide oil rod. The lubrication between the upper die and the guide rod during the operation of the PET sheet hot press forming machine is realized, the working efficiency is effectively improved, the timeliness of oiling is effectively increased, and the smoothness of the movement of the upper die is avoided from being affected by the large friction.

[0004] The above patent realizes the plugging of the oil outlet pipe by the spring and the limiting block to avoid the leakage of lubricating oil. However, in actual operation, it is difficult to accurately control the flow amount of lubricating oil each time. If the flow amount of lubricating oil is too much, the lubricating oil will be wasted, and if the flow amount of lubricating oil is too little, the lubricating demand between the upper die and the guide rod cannot be met, and the smoothness of the movement of the die and the working efficiency are affected. Meanwhile, part of the lubricating oil may drip or flow away in the process of flowing from the guide oil rod to the guide block and then to the guide rod, further causing the waste of lubricating oil. Therefore, it is necessary to provide a hot press forming die to solve the above problems.

[0005] It should be noted that the above information disclosed in the background section of the present application is only used to understand the background of the concept of the present application, and therefore, it can contain information which does not constitute prior art. SUMMARY

[0006] Based on the above problems existing in the prior art, the problem to be solved by the present application is to provide a hot press forming die, which solves the problem that although the spring and the limiting block are used to block the oil outlet pipe to avoid leakage of lubricating oil, it is difficult to accurately control the flow amount of lubricating oil each time in actual operation.If the flow amount of lubricating oil is too much, the lubricating oil will be wasted, and if the flow amount of lubricating oil is too little, the lubricating requirement between the upper die and the guide rod cannot be met, which affects the smoothness of the movement of the die and the working efficiency; meanwhile, part of the lubricating oil may drip or flow away in the process of flowing from the oil guide rod to the guide block and then to the guide rod, further causing waste of lubricating oil.

[0007] The technical scheme adopted by the present application to solve the technical problem is: a hot press forming die, comprising a hot pressing assembly having four groups of guide rods for guiding the upper die; a lubricating assembly installed on the upper die, the lubricating assembly comprising a first fixed clamp installed on the upper die, the first fixed clamp having a center rod, the first fixed clamp being fixedly connected to the upper die through the center rod, the first fixed clamp being movably connected to the center rod, the first fixed clamp being hingedly connected with a second fixed clamp; the second fixed clamp and the first fixed clamp are both provided with sponge blocks, the second fixed clamp and the first fixed clamp are both fixedly provided with dustproof plates, the dustproof plates are both provided with oil injection pipes in communication; a placing assembly installed on the side of the first fixed clamp, the placing assembly having an oil bottle for providing lubricating oil to the oil injection pipe, the oil bottle having an oil outlet, the oil outlet being provided with a hand valve, the hand valve being connected with a connecting pipe, the connecting pipe having two groups of branch pipes.

[0008] Further, one end of the first fixed clamp is hingedly connected with a shaft rod, one end of the second fixed clamp is adapted to be provided with a butt joint groove, the butt joint groove is provided with an opening, the shaft rod is threadedly connected with a locking piece, and the locking piece is a nut.

[0009] Further, the placing assembly comprises an installation plate fixedly installed on the side of the first fixed clamp, the installation plate has a through hole, the oil bottle is inserted into the through hole, the oil bottle is placed upside down, and the oil bottle has a groove at the bottom.

[0010] Further, a support rod is fixedly installed on the side of the installation plate, one end of the support rod has a protruding portion, a screw rod is threadedly connected to the protruding portion, and a suction cup is installed at one end of the screw rod.

[0011] Further, the hot pressing assembly comprises a workbench, one end of each of the four groups of guide rods is connected with a top plate, a hydraulic cylinder is installed on the side of the top plate away from the workbench, the telescopic end of the hydraulic cylinder is movably penetrated into the workbench, and the telescopic end of the hydraulic cylinder is connected with the upper die.

[0012] Further, the lower die is fixedly installed on the workbench.

[0013] The beneficial effects of the present application are: the hot press forming die provided by the present application adjusts the manual valve of the oil outlet of the oil bottle, lubricating liquid flows into the oil injection pipe through the connecting pipe and the shunt pipe, the oil injection pipe delivers the lubricating oil to the wet sponge block below the dustproof plate, when the upper die moves up and down along the guide rod, the wet sponge block contacts with the guide rod to realize lubrication and reduce friction resistance, and the dustproof plate prevents dust from polluting the sponge block to ensure the lubricating effect.

[0014] In addition to the purposes, features and advantages described above, the present application has other purposes, features and advantages. The present application will be further described in detail below with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0015] The drawings accompanying the specification of the present application form a part thereof, serve to provide further understanding of the present application, and together with the description of the present application, serve to explain the present application, and do not constitute improper limitations on the present application.

[0016] In the drawings:

[0017] Figure 1 is a schematic diagram of the overall hot press forming die in the present application;

[0018] Figure 2 is a schematic diagram of the partial structure of the hot press forming die in the present application; Figure 1

[0019] Figure 3 is an enlarged view of A of the hot press forming die in the present application; Figure 2

[0020] Figure 4 is an enlarged view of B of the hot press forming die in the present application; Figure 2

[0021] In the drawings, various reference signs represent:

[0022] 1, hot press assembly; 11, workbench; 12, guide rod; 13, top plate; 14, hydraulic cylinder; 15, upper die; 16, lower die; 2, lubricating assembly; 21, first fixed clamp; 22, second fixed clamp; 23, dustproof plate; 24, sponge block; 25, shaft rod; 26, locking piece; 27, butt joint groove; 28, oil injection pipe; 3, placing assembly; 31, mounting plate; 32, support rod; 33, protruding part; 34, suction cup; 35, screw rod; 36, oil bottle; 37, connecting pipe. DETAILED DESCRIPTION

[0023] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.​​​

[0024] In order to make the person skilled in the art better understand the scheme of the present application, the technical scheme in the embodiments of the present application will be clearly and completely described below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by the person skilled in the art without creative labor should belong to the scope of protection of the present application.

[0025] As shown in Figures 1-4 The present application provides a hot press forming die, which comprises a hot pressing assembly 1, the hot pressing assembly 1 comprises a workbench 11, and four groups of guide rods 12 are fixedly installed on the workbench 11, and a top plate 13 is connected to one end of the four groups of guide rods 12, and a hydraulic cylinder 14 is fixedly installed on the side of the top plate 13 away from the workbench 11, the telescopic end of the hydraulic cylinder 14 is movably penetrated through the workbench 11, and an upper die 15 is fixedly installed on the telescopic end of the hydraulic cylinder 14, the upper die 15 is movably sleeved on the four groups of guide rods 12 to provide guidance for die operation, and a lower die 16 is fixedly installed on the workbench 11;

[0026] After the pretreated ductile iron raw material is placed in the cavity of the lower die 16, the hydraulic cylinder 14 on the top plate 13 is started, and the telescopic end thereof drives the fixed upper die 15 to vertically descend along the guide rod 12. The guide rod 12 ensures the stable movement of the upper die 15, and when the upper and lower dies 16 are closed, the raw material is clamped, and under the continuous pressure of the hydraulic cylinder 14, the high-temperature ductile iron raw material is plastically deformed to fill the cavity and form a rough shape of a rotary variable support. After hot pressing is completed, the telescopic end of the hydraulic cylinder 14 is retracted, and the upper die 15 ascends and separates from the lower die 16;

[0027] A lubricating assembly 2 is installed on the side of the upper die 15 away from the workbench 11, the lubricating assembly 2 comprises a first fixed clamp 21 installed on the upper die 15, the first fixed clamp 21 has a center rod (not labeled in the figure), the first fixed clamp 21 is fixedly connected to the upper die 15 through the center rod, and the first fixed clamp 21 is movably connected to the center rod, and a second fixed clamp 22 is hingedly connected to the first fixed clamp 21, the second fixed clamp 22 is adapted to rotate along the axis of the center rod to abut or be away from the first fixed clamp 21, and when the second fixed clamp 22 abuts on the first fixed clamp 21, the second fixed clamp 22 and the first fixed clamp 21 can be held on the guide rod 12;

[0028] And the shaft 25 is hinged at one end of the first fixed clamp 21, while the butt joint groove 27 is adapted to be opened at one end of the second fixed clamp 22, the butt joint groove 27 is opened, and the locking member 26 is screwed on the shaft 25, the locking member 26 can be a nut, so that when the second fixed clamp 22 is attached to the first fixed clamp 21, the shaft 25 is clamped in the butt joint groove 27, and the locking member 26 is tightened to butt joint and fix the second fixed clamp 22 and the first fixed clamp 21;

[0029] And the sponge block 24 is arranged on the side of the second fixed clamp 22 and the first fixed clamp 21, and the dustproof plate 23 is fixedly installed on the second fixed clamp 22 and the first fixed clamp 21 at the upper end of the sponge block 24, the dustproof plate 23 is adapted to shield the sponge block 24, and the oil injection pipe 28 is communicated and installed on the dustproof plate 23, the oil injection pipe 28 is adapted to pass through the lubricating oil to wet the sponge block 24, and then lubricate the upper die 15 and the guide rod 12;

[0030] The placing assembly 3 is installed on the side of the first fixed clamp 21, which is used to fix the lubricating liquid bottle, and the placing assembly 3 includes the mounting plate 31 fixedly installed on the side of the first fixed clamp 21, the mounting plate 31 has a through hole (not marked in the figure), and the oil bottle 36 is inserted into the through hole, the oil bottle 36 is placed upside down, the oil bottle 36 has a groove (not marked in the figure) at the bottom, the support rod 32 is fixedly installed on the side of the mounting plate 31, the protruding portion 33 is arranged at one end of the support rod 32, the screw rod 35 is screwed on the protruding portion 33, and the suction cup 34 is fixedly installed at one end of the screw rod 35, by rotating the screw rod 35, the suction cup 34 is close to the bottom of the oil bottle 36 and is adsorbed, so that the oil bottle 36 is stably placed;

[0031] The oil bottle 36 has an oil outlet, a manual valve (not marked in the figure) is arranged at the oil outlet, and the connecting pipe 37 is connected to the manual valve, the connecting pipe 37 has two groups of shunt pipes (not marked in the figure), and the connecting pipe 37 is connected to the oil injection pipe 28 through the two groups of shunt pipes;

[0032] When the manual valve at the oil outlet of the oil bottle 36 is opened, the lubricating liquid flows into the oil injection pipe 28 through the connecting pipe 37 and the two groups of shunt pipes. The oil injection pipe 28 delivers the lubricating oil to the lower side of the dustproof plate 23 to wet the sponge block 24. When the hot pressing assembly 1 works, the upper die 15 moves up and down along the guide rod 12, the wet sponge block 24 contacts the guide rod 12 to realize lubrication between the upper die 15 and the guide rod 12, reduce the friction resistance, and ensure smooth movement of the upper die 15. At the same time, the dustproof plate 23 can prevent dust and other impurities from falling on the sponge block 24 to ensure the lubrication effect.

[0033] In summary: the hot pressing mold by hot pressing assembly 1 and lubricating assembly 2 work together to realize the high efficient production of nodular cast iron raw material to new energy automobile rotary transformer support. When working, the pretreated nodular cast iron raw material is placed in the lower mold 16 cavity, the hydraulic cylinder 14 on the top plate 13 is started, the telescopic end drives the upper mold 15 to move vertically along the guide rod 12, and the guide rod 12 ensures the stable movement of the upper mold 15. The upper and lower molds 16 clamp the raw material, and under the continuous pressure of the hydraulic cylinder 14, the high temperature nodular cast iron raw material plastic deformation fills the cavity, and the rotary transformer support prototype is formed. After hot pressing, the telescopic end of the hydraulic cylinder 14 is retracted, the upper mold 15 is raised and separated from the lower mold 16.

[0034] The lubricating assembly 2 plays an important role in ensuring the smooth movement of the upper mold 15. The first fixed clamp 21 and the second fixed clamp 22 are held on the guide rod 12 through the shaft 25 and the locking piece 26, the placing assembly 3 installed on the side of the first fixed clamp 21 uses the screw 35 and the suction cup 34 to stabilize the inverted oil bottle 36. Open the manual valve at the oil outlet of the oil bottle 36, lubricating liquid flows into the oil injection pipe 28 through the connecting pipe 37 and the shunt pipe, and the oil injection pipe 28 delivers lubricating oil to the wet sponge block 24 below the dustproof plate 23. When the upper mold 15 moves up and down along the guide rod 12, the wet sponge block 24 contacts with the guide rod 12 to realize lubrication and reduce friction resistance. The dustproof plate 23 prevents dust from polluting the sponge block 24 and ensures the lubrication effect. Overall, the mold completes the forming work through the hot pressing assembly 1, and the lubricating assembly 2 provides lubrication protection, which improves the production efficiency and product quality and ensures the stable operation of the equipment.

[0035] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A hot press forming die characterized by: The utility model relates to a hot pressing assembly (1) which has four groups of guide rods (12) guiding the upper die, A lubricating assembly (2) is installed on the upper die, the lubricating assembly (2) comprises a first fixed clamp (21) installed on the upper die, the first fixed clamp (21) has a center rod, the first fixed clamp (21) is fixedly connected with the upper die through the center rod, the first fixed clamp (21) is movably connected with the center rod, and a second fixed clamp (22) is hingedly connected to the first fixed clamp (21), The second fixed clamp (22) and the first fixed clamp (21) are provided with sponge blocks (24), and dustproof plates (23) are fixedly installed on the second fixed clamp (22) and the first fixed clamp (21), the dustproof plates (23) are communicated with oil injection pipes (28), A placing assembly (3) is installed on the side of the first fixed clamp (21), the placing assembly (3) has an oil bottle (36) providing lubricating oil for the oil injection pipe (28), the oil bottle (36) has an oil outlet, a manual valve is arranged at the oil outlet, the manual valve is connected with a connecting pipe (37), and the connecting pipe (37) has two groups of shunt pipes. One end of the first fixed clamp (21) is hingedly connected with a shaft rod (25), one end of the second fixed clamp (22) is adapted to be provided with a butt joint groove (27), the butt joint groove (27) is provided in an open manner, the shaft rod (25) is threadedly connected with a locking piece (26), and the locking piece (26) is a nut.

2. A hot press forming die according to claim 1, characterized in that: The placing assembly (3) comprises a mounting plate (31) fixedly installed on the side of the first fixed clamp (21), the mounting plate (31) has a through hole, the oil bottle (36) is inserted into the through hole, the oil bottle (36) is placed in an inverted manner, and the oil bottle (36) has a groove at the bottom.

3. A hot press forming die according to claim 1, characterized by: A supporting rod (32) is fixedly installed on the side of the mounting plate (31), one end of the supporting rod (32) has a protruding portion (33), a screw rod (35) is threadedly connected to the protruding portion (33), and a suction disc (34) is installed at one end of the screw rod (35).

4. A hot press forming die according to claim 3, characterized in that: The hot pressing assembly (1) comprises a workbench (11), one end of each of the four groups of guide rods (12) is connected with a top plate (13), a hydraulic cylinder (14) is installed on the side of the top plate (13) away from the workbench (11), the telescopic end of the hydraulic cylinder (14) movably penetrates the workbench (11), and the telescopic end of the hydraulic cylinder (14) is connected with the upper die.

5. A hot press forming die according to claim 4, characterized in that: A lower die (16) is fixedly installed on the workbench (11).

6. A hot press forming die according to claim 5, characterized in that: ​

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