CN213317252U

CN213317252U - Water-cooled hot stamping forming die

Info

Publication number: CN213317252U
Application number: CN202021251245.9U
Authority: CN
Inventors: 周华
Original assignee: Jiangsu Baorui Mechanical Industry Co ltd
Current assignee: Jiangsu Baorui Mechanical Industry Co ltd
Priority date: 2020-07-01
Filing date: 2020-07-01
Publication date: 2021-06-01
Anticipated expiration: 2030-07-01

Abstract

The utility model discloses a water-cooled hot stamping forming die, which comprises a base, wherein a workbench is arranged at the middle position of the top of the base, the left side and the right side of the interior of the workbench are rotatably connected with stamping dies, a temperature adjusting device is arranged on the front side of the stamping dies, a rebounding device is arranged in the interior of the base relative to the bottom of the stamping dies, a stamping part is arranged at the top of the workbench, a support frame is arranged at the top of the base, a water cooling device is arranged at the top of the support frame, the stamping dies deflect downwards so as to shape the stamping parts, thereby an extrusion connecting block slides in a shell, thereby a second spring is compressed, after stamping is finished, the stamping dies are driven to rebound through the elastic potential energy of the second spring, thereby the stamping parts which are extruded are automatically popped out of the stamping dies, the working efficiency is low.

Description

Water-cooled hot stamping forming die

Technical Field

The utility model relates to an automobile parts makes technical field, specifically is a water-cooled hot stamping forming mould.

Background

The method comprises the following steps of heating a blank to a certain temperature, then stamping the blank in a corresponding die by a stamping machine, maintaining pressure and quenching the blank to obtain a required shape and simultaneously realize phase change of a metal material, wherein the obtained automobile body part is ultrahigh in strength; the weight of the vehicle body can be reduced; the safety and the comfort of the vehicle body can be improved; the stamping formability is improved; the dimensional accuracy of the part is improved; the surface hardness, dent resistance and corrosion resistance can be improved; the tonnage requirement of the punching machine is reduced.

The hot stamping forming is a forming mode that the boron steel plate is heated to an austenitizing state, is quickly transferred into a die for high-speed stamping forming, and is quenched in a die body at a cooling speed of more than 27 ℃/s under the condition of ensuring a certain pressure, and is quenched for a period of time under the condition of maintaining pressure, so as to obtain the ultrahigh-strength steel part with uniform martensite structure.

Chinese patent discloses a water-cooled hot stamping forming die (No. CN201822068879. X), the technology of the patent can put the die into a die frame through arrangement, and a circulating pump and a hydraulic power unit are started, the circulating pump pumps cooling water out of an external water tank and transfers the cooling water to the inside of a circulating water pipe for circulation, the temperature on a heated part is taken away and the circular heat dissipation is achieved, the effect of strong heat dissipation capacity is achieved, the problems that the die is damaged due to overhigh temperature and the processing performance of a workpiece is influenced due to the heat dissipation capacity are effectively solved, but the stamping device cannot adjust the water temperature in real time according to the temperature of a stamping part, when the temperature of the stamping part is higher, the cooling effect is slow, so that ultrahigh-strength steel parts with uniform martensite tissues cannot be obtained, but if the temperature is cooled by adopting lower-temperature water for a long time, resources are wasted, and the stamping part can not kick back automatically after the stamping is finished, and needs the manual work to take out, can scald the staff, and work efficiency is low. Accordingly, those skilled in the art have provided a water-cooled hot press molding die to solve the problems set forth in the background art described above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a water-cooled hot stamping forming mould, can not adjust the water temperature according to the temperature of stamping workpiece in real time with the current water-cooled hot stamping forming mould that proposes in solving above-mentioned background art, it is higher when the stamping workpiece temperature, the cooling effect is slow, thereby cause and can not obtain the super high strength steel part that has even martensite tissue, but if adopt lower temperature water cooling for a long time, then can the wasting resource, and the stamping workpiece can not kick-back automatically after the punching press finishes, need the manual work to take out, the staff can be scalded, the problem that work efficiency is low.

In order to achieve the above object, the utility model provides a following technical scheme:

a water-cooled hot stamping forming die comprises a base, a workbench is arranged in the middle of the top of the base, the left side and the right side of the inner part of the workbench are both rotationally connected with a stamping die, the front of the stamping die is provided with a temperature adjusting device, the interior of the base is provided with a rebounding device relative to the bottom of the stamping die, the top of the workbench is provided with a stamping part, the top of the base is provided with a support frame, the top of the support frame is provided with a cold water device, the top of the cold water device is provided with an alarm, a hydraulic cylinder is arranged at the middle position of the bottom of the support frame, a stamping head is arranged at the bottom of the hydraulic cylinder, a water storage tank is arranged in the cold water device, a condenser is arranged on the left side wall of the water storage tank, a water guide pipe is arranged between the water storage tank and the punching head, and a water guide pipe is arranged between the condenser and the punching head.

As a further aspect of the present invention: the bottom of the temperature adjusting device is provided with a heat absorbing layer, the inside of the temperature adjusting device is provided with an air pressure box relative to the position of the heat absorbing layer, the inside of the air pressure box is connected with a piston plate in a sliding way, the top of the piston plate is provided with a connecting rod, the top of the air pressure box is provided with a pressure adjusting box, the inside of the pressure adjusting box is provided with an adjusting rod relative to the position of the connecting rod, the left side of the adjusting rod is connected with the inner wall of the left side of the pressure adjusting box in a sliding way, a first spring is arranged between the top of the adjusting rod and the inner wall of the upper side of the pressure adjusting box, the inner wall of the right side of the pressure adjusting box is provided with an adjusting resistor relative to the position of the adjusting rod, the top of the adjusting resistor is provided with an alarm contact, thereby drive and adjust the pole and upwards slide, thereby compression spring, thereby adjust the resistance of adjusting, this moment adjust resistance and diminish, thereby condenser output grow, thereby reduce the water-cooling temperature, when stamping die high temperature, adjust the pole and remove to warning contact position, thereby the alarm sends buzzing, remind the staff to inspect stamping die, prevent that stamping workpiece high temperature from haring stamping die, when stamping workpiece surface temperature is low, in the same way, condenser output diminishes, prevent that the long-time high power work of condenser from causing the wasting of resources.

As a further aspect of the present invention: the utility model discloses a stamping die, including rebound device, the inside sliding connection of casing has the connecting block, be provided with the second spring between the bottom of connecting block and the casing, during the punching press, through punching press head extrusion stamping workpiece, deflect downwards through stamping die to stereotype the stamping workpiece, thereby extrude the connecting block and slide in the casing, thereby compress the second spring, the back is accomplished in the punching press, drives stamping die through second spring elastic potential energy effect and kick-backs, thereby pops out stamping die with extrusion's stamping workpiece automatically.

As a further aspect of the present invention: the inside of punching press head is provided with the guiding gutter, the guiding gutter is arranged for "S" shape structure, through setting up the guiding gutter that "S" shape structure was arranged, increases rivers area of contact, improves the radiating effect.

As a further aspect of the present invention: the front side and the back side of the stamping head are both provided with radiating fins, the radiating fins are of copper structures, and radiating effects are improved through the radiating fins with the copper structures.

As a further aspect of the present invention: the water guide pipe is a folding rubber pipe, a sealing layer is arranged at the connecting position of the water guide pipe and the punching head, and the air tightness between the water guide pipe and the punching head is improved by arranging the sealing layer.

Compared with the prior art, the beneficial effects of the utility model are that:

1. place the stamping workpiece at the workstation top, start hydraulic cylinder, drive the punching press head downstream, thereby extrude the stamping workpiece to the stamping die position, stamping die deflects downwards, thereby stereotype the stamping workpiece, thereby the extrusion connecting block slides in the casing, thereby compress the second spring, the back is accomplished in the punching press, drive stamping die through second spring elastic potential energy effect and kick-back, thereby automatic pop out stamping die with extrusion's stamping workpiece, prevent the manual work and take out, the staff can be scalded to the probably appear, the phenomenon that work efficiency is low.

2. The condenser is started, water in the water storage tank is introduced into the punching head, the flow guide grooves arranged in the S-shaped structures are arranged, the water flow contact area is increased, and the heat dissipation effect is improved through the heat dissipation fins with the copper structures.

3. Absorb stamping die surface heat through the heat-sink shell, thereby to the liquid heating in the atmospheric pressure case, thereby produce steam pressure, promote piston plate rebound, thereby drive connecting rod rebound, thereby drive the regulation pole and upwards slide, thereby compression spring, thereby adjust the regulation resistance, the regulation resistance diminishes this moment, thereby condenser output grow, thereby reduce water cooling temperature, when stamping die high temperature, the regulation pole removes to warning contact position, thereby the alarm sends buzzing, remind staff to inspect stamping die, prevent that stamping workpiece high temperature from damaging stamping die, when stamping workpiece surface temperature is low, and on the same way, condenser output diminishes, prevent that the long-time high power work of condenser from causing the wasting of resources.

Drawings

Fig. 1 is a schematic structural view of a water-cooled hot stamping forming die.

Fig. 2 is a schematic diagram of a front structure of a water-cooled hot stamping forming die.

FIG. 3 is a schematic structural diagram of a temperature adjusting device in a water-cooled hot stamping forming die.

FIG. 4 is a schematic structural diagram of a rebounding device in a water-cooled hot stamping forming die.

FIG. 5 is a schematic structural diagram of a stamping head in a water-cooled hot stamping forming mold

In the figure: 1. a base; 2. a work table; 3. a stamping die; 4. a rebounding device; 5. a temperature adjustment device; 6. stamping parts; 7. a support frame; 8. a cold water device; 9. a hydraulic cylinder; 10. a water conduit; 11. punching a head; 12. a heat sink; 13. a water storage tank; 14. a condenser; 15. a heat absorbing layer; 16. an air pressure box; 17. a piston plate; 18. a connecting rod; 19. adjusting a rod; 20. a first spring; 21. adjusting the resistance; 22. an alarm contact; 23. a pressure regulating box; 24. a housing; 25. a second spring; 26. connecting blocks; 27. a diversion trench; 28. an alarm.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 5, in the embodiment of the present invention, a water-cooled hot stamping forming mold comprises a base 1, and is characterized in that a worktable 2 is disposed at a middle position of a top portion of the base 1, a stamping mold 3 is rotatably connected to left and right sides of an interior of the worktable 2, a temperature adjusting device 5 is disposed on a front surface of the stamping mold 3, a heat absorbing layer 15 is disposed at a bottom portion of the temperature adjusting device 5, an air pressure tank 16 is disposed at a position of the interior of the temperature adjusting device 5 opposite to the heat absorbing layer 15, a piston plate 17 is slidably connected to an interior of the air pressure tank 16, a connecting rod 18 is disposed at a top portion of the piston plate 17, a pressure regulating tank 23 is disposed at a top portion of the air pressure tank 16, an adjusting rod 19 is disposed at a position of the pressure regulating tank 23 opposite to the connecting rod 18, a left side of the adjusting rod 19 is slidably, the inner wall of the right side of the pressure regulating box 23 is provided with a regulating resistor 21 opposite to the position of the regulating rod 19, the top of the regulating resistor 21 is provided with an alarm contact 22, the heat on the surface of the stamping die 3 is absorbed through the heat absorbing layer 15, so as to heat the liquid in the air pressure box 16, thereby generating steam air pressure, the piston plate 17 is pushed to move upwards, thereby driving the connecting rod 18 to move upwards, thereby driving the regulating rod 19 to slide upwards, thereby compressing the spring 20, thereby regulating the regulating resistor 21, at the moment, the resistance of the regulating resistor 21 is reduced, thereby the output power of the condenser 14 is increased, thereby reducing the water cooling temperature, when the temperature of the stamping die 3 is overhigh, the regulating rod 19 moves to the position of the alarm contact 22, thereby the alarm 28 gives out buzzing to remind a worker to check the stamping die 3, the stamping die 3, similarly, the output power of the condenser 14 is reduced, resource waste caused by long-time high-power work of the condenser 14 is prevented, the rebound device 4 is arranged in the base 1 relative to the bottom of the stamping die 3, the rebound device 4 comprises a shell 24, a connecting block 26 is slidably connected in the shell 24, a second spring 25 is arranged between the bottom of the connecting block 26 and the shell 24, during stamping, the stamping part 6 is extruded through the stamping head 11 and is deflected downwards through the stamping die 3, so as to shape the stamping part 6, so as to extrude the connecting block 26 to slide in the shell 24, so as to compress the second spring 25, after stamping is completed, the stamping die 3 is driven to rebound through the elastic potential energy action of the second spring 25, so as to automatically eject the extruded stamping part 6 out of the stamping die 3, the stamping part 6 is arranged at the top of the workbench 2, a support frame 7 is arranged at the top of the, the top of the water cooling device 8 is provided with an alarm 28, the middle position of the bottom of the support frame 7 is provided with a hydraulic cylinder 9, the bottom of the hydraulic cylinder 9 is provided with a punching head 11, the inside of the punching head 11 is provided with a diversion trench 27, the diversion trench 27 is arranged in an S-shaped structure, the diversion trench 27 arranged in the S-shaped structure increases the contact area of water flow and improves the heat dissipation effect, the front and the back of the punching head 11 are both provided with radiating fins 12, the radiating fins 12 are in copper structures, the heat dissipation effect is improved by arranging the radiating fins 12 in the copper structures, the inside of the water cooling device 8 is provided with a water storage tank 13, the left side wall of the water storage tank 13 is provided with a condenser 14, a water guide pipe 10 is arranged between the water storage tank 13 and the punching head 11, a water guide pipe 10 is arranged between the condenser 14 and the punching head 11, the airtightness between the water guide pipe 10 and the punching head 11 is improved by providing a sealing layer.

The utility model discloses a theory of operation is:

when the utility model is used, the stamping part 6 is placed at the top of the workbench 2, the hydraulic cylinder 9 is started, the stamping head 11 is driven to move downwards, thereby the stamping part 6 is extruded to the position of the stamping die 3, the stamping die 3 deflects downwards, thereby the stamping part 6 is shaped, thereby the extrusion connecting block 26 slides in the shell 24, thereby the second spring 25 is compressed, after the stamping is finished, the stamping die 3 is driven to rebound through the elastic potential energy action of the second spring 25, thereby the extruded stamping part 6 is popped out of the stamping die 3 automatically, the manual taking out is prevented, the worker can be scalded, the working efficiency is low, the condenser 14 is started, the water in the water storage tank 13 is led into the stamping head 11, the diversion trench 27 arranged by the S-shaped structure is arranged, the water flow contact area is increased, the radiating fins 12 with the copper structure are arranged, the radiating effect is improved, absorb stamping die 3 surface heat through heat-sink layer 15, thereby to liquid heating in the atmospheric pressure case 16, thereby produce steam pressure, promote piston plate 17 and upwards remove, thereby drive connecting rod 18 rebound, thereby drive adjusting lever 19 and upwards slide, thereby compression spring 20, thereby adjust adjusting resistor 21, adjusting resistor 21 resistance diminishes this moment, thereby condenser 14 output grow, thereby reduce the water-cooling temperature, when stamping die 3 high temperature, adjusting lever 19 removes to warning contact 22 position, thereby alarm 28 sends buzzing, remind the staff to inspect stamping die 3, prevent that stamping workpiece 6 high temperature from haring stamping die 3, when stamping workpiece 6 surface temperature is low, and in the same way, condenser 14 output diminishes, prevent that condenser 14 high power work from causing the wasting of resources for a long time.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a water-cooled hot stamping forming die, includes base (1), its characterized in that, the top intermediate position of base (1) is provided with workstation (2), the inside left and right sides of workstation (2) all rotates and is connected with stamping die (3), the front of stamping die (3) is provided with temperature regulation apparatus (5), the inside of base (1) is provided with resilient mounting (4) relative to the bottom of stamping die (3), the top of workstation (2) is provided with stamping workpiece (6), the top of base (1) is provided with support frame (7), the top of support frame (7) is provided with cold water set (8), the top of cold water set (8) is provided with alarm (28), the bottom intermediate position of support frame (7) is provided with pneumatic cylinder (9), the bottom of pneumatic cylinder (9) is provided with punching press head (11), the inside of cold water installation (8) is provided with storage water tank (13), the left side wall of storage water tank (13) is provided with condenser (14), be provided with aqueduct (10) between storage water tank (13) and punching press head (11), be provided with aqueduct (10) between condenser (14) and punching press head (11).

2. The water-cooled hot stamping forming die according to claim 1, wherein a heat absorbing layer (15) is arranged at the bottom of the temperature adjusting device (5), an air pressure box (16) is arranged in the temperature adjusting device (5) relative to the heat absorbing layer (15), a piston plate (17) is connected in the air pressure box (16) in a sliding manner, a connecting rod (18) is arranged at the top of the piston plate (17), a pressure regulating box (23) is arranged at the top of the air pressure box (16), an adjusting rod (19) is arranged in the pressure regulating box (23) relative to the connecting rod (18), the left side of the adjusting rod (19) is connected with the left inner wall of the pressure regulating box (23) in a sliding manner, a first spring (20) is arranged between the top of the adjusting rod (19) and the upper inner wall of the pressure regulating box (23), and an adjusting resistor (21) is arranged in the right inner wall of the pressure regulating box (23) relative to the adjusting rod, and an alarm contact (22) is arranged at the top of the adjusting resistor (21).

3. The water-cooled hot stamping forming die according to claim 1, wherein the resilient means (4) comprises a housing (24), a connecting block (26) is slidably connected inside the housing (24), and a second spring (25) is arranged between the bottom of the connecting block (26) and the housing (24).

4. The water-cooled hot stamping forming die according to claim 1, wherein the inside of the stamping head (11) is provided with flow guide grooves (27), and the flow guide grooves (27) are arranged in an S-shaped structure.

5. The water-cooled hot stamping forming die according to claim 1, wherein the front and back of the stamping head (11) are provided with heat radiating fins (12), and the heat radiating fins (12) are of copper structure.

6. The water-cooled hot stamping forming die according to claim 1, wherein the water conduit (10) is a folding rubber pipe, and a sealing layer is arranged at the connection position of the water conduit (10) and the stamping head (11).