CN219746092U

CN219746092U - Hot press for metal composite board

Info

Publication number: CN219746092U
Application number: CN202320389318.8U
Authority: CN
Inventors: 周杰; 杨文芬; 史航; 史和生
Original assignee: Jiangsu Runbang New Material Group Co ltd
Current assignee: Jiangsu Runbang New Material Group Co ltd
Priority date: 2023-03-06
Filing date: 2023-03-06
Publication date: 2023-09-26
Anticipated expiration: 2033-03-06

Abstract

The utility model discloses a hot press for a metal composite plate, which comprises a base, wherein: a bottom plate is arranged at the top of the base, and a vacuum cover is fixedly arranged at the top of the bottom plate; a limiting device for limiting the moving range of the two sides of the upper die is arranged between the mounting plate and the upper die; the lower die is arranged at the bottom of the upper die, and the longitudinal position of the lower die and the upper die can be changed through a sliding device; the vacuum cover is provided with the sealing device for sealing the sealing space, and the side edge of the vacuum cover is provided with the fan, and the vacuum cover adopts the opening and closing structure of the cavity front door sealing device, so that the longitudinal position of the lower die and the upper die can be changed through the sliding device, the metal composite board material can be conveniently placed into the lower die for hot press molding, and the metal composite board after the hot press molding is conveniently taken out, so that the metal composite board can be easily taken and placed.

Description

Hot press for metal composite board

Technical Field

The utility model belongs to the technical field of metal compounding, and particularly relates to a hot press for a metal composite plate.

Background

The prior metal composite board is generally formed by compounding two or more metal single plates, so that the main characteristics of the original component material are maintained, the defects of the original component material are overcome, the material performance is good, and the purposes of saving resources and reducing cost on the premise of not reducing the using effect can be achieved by utilizing different physicochemical properties of different metal plates.

The hot pressing composite method is characterized in that under the action of shearing deformation force, the contact surface between two metals can be similar to viscous fluid, the fluid characteristic is more tended, the new metal surface is easy to form, the fixation of the metal between the contact surfaces is facilitated, and stable heat diffusion can be formed under the high-temperature heat activation condition on the basis of the fixation point, so that the combination between metals is realized, and the method has the advantages of simple processing technology and good combination performance between different metals.

When the metal composite plate is produced, hot press setting is needed, and the step is usually completed by a hot press.

In the hot-pressing compounding process of the metal composite plate, the metal composite plate material is usually placed in an independent heating furnace for heating, and after the metal composite plate material reaches the required temperature, the metal composite plate material is subjected to hot-pressing compounding.

However, in the prior art, the existing metal composite plate hot-press forming device cannot perform hot-press in a vacuum environment, so that the hot-press forming speed of the metal composite plate is slow, the production speed of the metal composite plate is slow, and the overall production efficiency is affected.

And, the metal composite plate needs to be transported to a designated place for natural cooling after hot press forming, but the natural cooling can lead to uncontrolled cooling process of the metal composite plate, and lower cooling efficiency.

Disclosure of Invention

The utility model aims to provide a hot press for a metal composite plate, which aims to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a hot press for a metal composite panel, comprising a base, wherein:

a bottom plate is arranged at the top of the base, and a vacuum cover is fixedly arranged at the top of the bottom plate;

the top of the vacuum cover is fixedly provided with a mounting plate for accommodating the installation of the hot-pressing cylinder, and the output end of the hot-pressing cylinder is fixedly connected with the top of the upper die through a connecting seat;

a limiting device for limiting the moving range of the two sides of the upper die is arranged between the mounting plate and the upper die;

the lower die is arranged at the bottom of the upper die, and the longitudinal position of the lower die and the upper die can be changed through a sliding device;

the vacuum cover and the bottom plate are mutually combined to form a sealing space for sealing the upper die and the lower die, and a vacuum device is arranged at the bottom of the base corresponding to the sealing space;

the vacuum cover is provided with a sealing device for sealing the sealing space, and the side edge of the vacuum cover is provided with a fan.

Preferably, the limiting device comprises linear bearings correspondingly arranged on two sides of the mounting plate, and the linear bearings are fixedly connected with the top of the upper die through guide shafts; the upper die can horizontally slide relative to the mounting plate through the guide shaft.

Preferably, the sliding device comprises a sliding cylinder arranged at the top of the bottom plate, and the output end of the sliding cylinder is fixedly connected with the bottom of the lower die through a connecting plate; linear guide rails are correspondingly arranged on two sides of the sliding cylinder, and guide rail sliding blocks are arranged at the bottom of the lower die corresponding to the linear guide rails; and the guide rail sliding block is provided with a sliding groove which is mutually clamped with the linear guide rail.

Preferably, the vacuum device comprises a vacuum pump arranged at the bottom of the bottom plate, and the input end of the vacuum pump is communicated with the sealing space through a connecting pipe.

Preferably, the sealing device comprises sealing frames correspondingly arranged at two sides of the vacuum cover, and the sealing frames at two sides of the vacuum cover can transversely limit the sealing door which is arranged in a sliding manner in the middle; a limiting groove for limiting the movement of the sealing door is formed in the sealing frame; the sealing door is fixedly connected with the output end of the sealing cylinder through a connecting piece, and the sealing cylinder is fixedly arranged at the top of the vacuum cover through a mounting piece.

Preferably, the sealing door bottom is provided with an accommodating groove corresponding to the guide rail sliding block of the sliding device, and the accommodating groove is provided with a sealing gasket corresponding to the linear guide rail.

Preferably, the upper die comprises an upper pressing plate fixedly connected with the output end of the hot pressing cylinder through a connecting seat, and an upper heat insulation plate is arranged at the bottom of the upper pressing plate; the bottom of the upper heat insulation plate can be detachably provided with a heat pressing head, and the heat pressing head can be mutually clamped with a heat pressing cavity of the lower die.

Preferably, the lower die comprises a lower pressing plate which is in sliding connection with the sliding device, and a lower heat insulation plate is arranged at the top of the lower pressing plate; the top of the lower heat insulation plate is detachably provided with a hot pressing module, and the top of the hot pressing module is provided with a hot pressing cavity for accommodating the metal composite plate material.

Preferably, reinforcing supporting blocks are arranged at four corners of the bottom of the base, and supporting feet are detachably arranged at the bottoms of the supporting blocks.

Preferably, a one-way valve which only allows the gas in the sealed space to flow outwards is arranged between the fan and the vacuum cover.

The utility model has the technical effects and advantages that the hot press for the metal composite plate:

1. through the arrangement of the vacuum device, after the vacuum cover is sealed by the sealing device, the vacuum device can completely exhaust the air in the sealed space, so that the effect of vacuumizing the sealed space is achieved, the metal composite board material can be subjected to hot press forming in a vacuum environment, the composite board material can be rapidly solidified and formed, the forming speed of the composite board is further improved, the production time can be reduced, and the production efficiency is effectively improved;

2. the vacuum cover adopts an opening and closing structure of the cavity front door sealing device, so that the longitudinal position of the lower die and the longitudinal position of the upper die can be changed through the sliding device, the metal composite board material can be conveniently placed into the lower die for hot press molding, and the metal composite board after the hot press molding is finished can be conveniently taken out, so that the metal composite board can be easily taken and placed;

3. through the setting of fan, can form the air convection cooling at metal composite sheet's upper surface, can carry out the forced air cooling to metal composite sheet, improve metal composite sheet cooling rate and cooling effect, can improve metal composite sheet's cooling rate, shortened cooling time, improved metal composite sheet's machining efficiency.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram showing the structure of the present utility model;

FIG. 3 is a schematic diagram showing a specific structure of the sliding device of the present utility model;

FIG. 4 is a schematic view of the internal structure of the present utility model;

fig. 5 is a schematic view showing a specific structure of the vacuum apparatus of the present utility model.

In the figure:

1. a base; 2. a vacuum cover; 3. an upper die; 4. a lower die; 5. a limiting device; 6. a sliding device; 7. sealing the space; 8. a vacuum device; 9. a sealing device; 10. a connecting seat;

11. a bottom plate; 12. reinforcing the supporting blocks; 13. supporting feet;

21. a hot-pressing cylinder; 22. a mounting plate; 23. a fan; 24. a one-way valve;

31. an upper press plate; 32. a heat insulation plate is arranged; 33. a hot press head;

41. a lower pressing plate; 42. a lower heat insulation plate; 43. a hot pressing module; 44. a hot pressing cavity;

51. a linear bearing; 52. a guide shaft;

61. a slip cylinder; 62. a connecting plate; 63. a linear guide rail; 64. a guide rail slide block; 65. a chute;

81. a vacuum pump; 82. a connecting pipe;

91. a sealing frame; 92. sealing the door; 93. a limit groove; 94. a connecting piece; 95. sealing the cylinder; 96. a mounting member; 97. an accommodating groove.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to fig. 1 to 5 of the embodiments of the present utility model, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a hot press for metal composite boards as shown in fig. 1-5, comprising a base 1, wherein:

a bottom plate 11 is arranged at the top of the base 1, and a vacuum cover 2 is fixedly arranged at the top of the bottom plate 11; the top of the vacuum cover 2 is fixedly provided with a mounting plate 22 for accommodating the installation of the hot-pressing cylinder 21, and the output end of the hot-pressing cylinder 21 is fixedly connected with the top of the upper die 3 through a connecting seat 10.

In the utility model, high-pressure hydraulic oil is injected into the rodless cavity of the hot-pressing cylinder 21, so that the piston rod of the hot-pressing cylinder 21 can be pushed to extend, the upper die 3 can be driven to move towards the lower die 4, and the pressure is formed on the metal composite plate material placed in the lower die 4, thereby achieving the effect of hot-pressing the metal composite plate material.

In the present utility model, the pressure of the upper die 3 against the metal composite plate material can be adjusted by adjusting the pressure of the high-pressure hydraulic oil in the hot-pressing cylinder 21.

Limiting devices 5 for limiting the moving ranges of the two sides of the upper die 3 are arranged between the mounting plate 22 and the upper die 3, the upper die 3 can horizontally slide through the limiting devices 5 through the arrangement of the limiting devices 5, the fluency of the upper die 3 in the horizontal moving process can be effectively improved, the movement of the upper die 3 is more stable, and the hot press forming quality of the metal composite plate can be further improved.

The bottom of the upper die 3 is provided with a lower die 4, and the longitudinal position of the lower die 4 and the upper die 3 can be changed through a sliding device 6, so that a metal composite board material can be conveniently placed into the lower die 4 for hot press forming, and the metal composite board after the hot press forming is conveniently taken out.

The vacuum cover 2 and the bottom plate 11 are mutually combined to form a sealing space 7 for sealing the upper die 3 and the lower die 4, the base bottom is provided with a vacuum device 8 corresponding to the sealing space 7, the vacuum device 8 can completely exhaust air in the sealing space 7 through the arrangement of the vacuum device 8, the effect of vacuumizing the sealing space 7 is achieved, the metal composite plate material can be subjected to hot press forming in a vacuum environment, the metal composite plate can be rapidly solidified and formed, the forming speed of the metal composite plate is further improved, the production time can be reduced, and the production efficiency is effectively improved.

The vacuum cover 2 is provided with a sealing device 9 for sealing the sealing space 7, and the sealing device 9 can seal the upper die 3 and the lower die 4 in the sealing space 7.

The side of the vacuum cover 2 is provided with the fan 23, and the sealed space 7 can be rapidly cooled through the arrangement of the fan 23, so that the influence of the overhigh temperature in the sealed space 7 on the heating effect of the metal composite plate is avoided, the cooling speed of the metal composite plate is effectively improved, the cooling time is shortened, and the processing efficiency of the metal composite plate is improved.

In the utility model, the fans 23 are arranged at the left side and the right side of the vacuum cover 2, so that hot air in the sealed space 7 can be discharged rapidly, and at the moment, the air in the sealed space 7 can flow uniformly along the upper surface of the metal composite plate, so that the metal composite plate can be cooled by air cooling, the natural cooling process of the traditional metal composite plate is changed, the cooling speed and the cooling effect of the metal composite plate are improved by forming air convection cooling on the upper surface of the metal composite plate, and the transfer of the high-temperature metal composite plate can be reduced, so that the transfer of the metal composite plate is more convenient.

In the utility model, the sliding device 6 is arranged at the bottom of the lower die 4, and the top of the upper die 3 is connected with the hot-pressing cylinder 21 through the connecting seat 10, so that the gas in the sealing space 7 can uniformly flow along the outer surfaces of the upper die 3 and the lower die 4, and the upper die 3 and the lower die 4 can be rapidly cooled.

In the utility model, the output end of the hot-pressing cylinder 21 is fixedly connected with the top of the upper die 3 through the connecting seat 10, and in the actual use process, the hot-pressing cylinder 21 is adopted to realize the lifting function of the upper die 3, and because the stress positions of the upper die 3 in lifting and pressing actions are the same, the upper die 3 is positioned in the middle of the top of the upper die 3, the top of the upper die 3 is easy to bend and deform after long-term use, thereby influencing the overall hot-pressing effect and the service life.

Therefore, in the utility model, the limiting device 5 for limiting the moving ranges of the two sides of the upper die 3 is arranged between the mounting plate 22 and the upper die 3, so that the stress of the two sides of the upper die 3 is the same in the lifting process, the synchronization of the actions of the two sides of the upper die 3 is ensured, the hot-pressing effect can be improved, the deformation of the upper die 3 is avoided, the top of the upper die 3 is not easy to be completely deformed, the bending resistance and the stress stability of the upper die 3 can be effectively improved, the hot-pressing effect can be maintained after long-term use, and the whole service life is prolonged.

Specifically, the limiting device 5 includes linear bearings 51 correspondingly disposed on two sides of the mounting plate 22, and the linear bearings 51 are fixedly connected with the top of the upper die 3 through guide shafts 52, and due to the characteristics of small friction and high stability of the linear bearings 51, the upper die 3 can obtain stable linear motion with high sensitivity and high precision, so that the upper die 3 can horizontally slide relative to the mounting plate 22 through the guide shafts 52.

Specifically, the sliding device 6 includes a sliding cylinder 61 disposed at the top of the bottom plate 11, and an output end of the sliding cylinder 61 is fixedly connected with the bottom of the lower die 4 through a connecting plate 62, so that the sliding cylinder 61 can drive the lower die 4 to move longitudinally.

The two sides of the sliding cylinder 61 are correspondingly provided with linear guide rails 63, and the bottom of the lower die 4 is correspondingly provided with guide rail sliding blocks 64 corresponding to the linear guide rails 63, in the utility model, the guide rail sliding blocks 64 are arranged at four corners of the bottom of the lower die 4, and four guide rail sliding blocks 64 are correspondingly arranged pairwise, so that the lower die 4 can move stably.

The guide rail sliding block 64 is provided with a sliding groove 65 which is mutually engaged with the linear guide rail 63, the sliding block is mutually engaged with the linear guide rail through the sliding groove 65, and the guide rail sliding block 64 can be prevented from being separated from the linear guide rail 63 through the arrangement of the sliding groove 65.

Specifically, the vacuum device 8 includes a vacuum pump 81 disposed at the bottom of the bottom plate 11, and the input end of the vacuum pump 81 is communicated with the sealed space 7 through a connecting pipe 82, a flange hole can be reserved in the sealed space 7, the vacuum device can be quickly connected with the connecting pipe 82 through the arrangement of the reserved flange hole, and air in the sealed space 7 can be completely discharged through the vacuum pump 81, so that the effect of vacuumizing the sealed space 7 is achieved.

Specifically, the sealing device 9 includes sealing frames 91 correspondingly disposed on two sides of the vacuum housing 2, and the sealing frames 91 on two sides of the vacuum housing 2 can transversely limit the sealing door 92 slidably disposed in the middle, a limiting groove 93 for limiting movement of the sealing door 92 is disposed in the sealing frame 91, and the setting of the limiting groove 93 can prevent the sealing door 92 from separating from the sealing frame 91, so that the sealing door 92 can stably ascend and descend.

The sealing door 92 is fixedly connected with the output end of the sealing cylinder 95 through a connecting piece 94, the sealing cylinder 95 is fixedly arranged at the top of the vacuum cover 2 through a mounting piece 96, and the sealing door 92 can be driven to ascend and descend through the extension and the shortening of the sealing cylinder 95.

Specifically, the bottom of the sealing door 92 is provided with a receiving groove corresponding to the rail slide block 64 of the sliding device 6, and the receiving groove is provided with a gasket corresponding to the linear rail 63.

In addition, in the utility model, the sealing gasket is made of rubber, so that the sealing gasket elastically deforms under external force, the sealing effect of the sealing door 92 on the sealing space 7 can be effectively ensured, and leakage is prevented.

Specifically, the upper die 3 includes an upper pressing plate 31 fixedly connected to the output end of the hot pressing cylinder 21 through a connecting seat 10, and an upper heat insulation plate 32 is disposed at the bottom of the upper pressing plate 31; the bottom of the upper heat insulation plate 32 is detachably provided with a heat pressing head 33, and the heat pressing head 33 can be mutually clamped with a heat pressing cavity 44 of the lower die 4.

Specifically, the lower die 4 includes a lower pressing plate 41 slidably connected with the sliding device 6, and a lower heat insulation plate 42 is arranged at the top of the lower pressing plate 41; the top of the lower heat insulation plate 42 is detachably provided with a hot pressing module 43, and the top of the hot pressing module 43 is provided with a hot pressing cavity 44 for accommodating the metal composite plate material.

In the utility model, the upper die 3 and the lower die 4 are mutually parallel, the upper die 3 and the lower die 4 can be correspondingly arranged under the action of the sliding device 6, the hot pressing cavity 44 extends inwards from the surface of the hot pressing module 43, the limit of metal composite plate materials is realized, the hot pressing head 33 can correspond to the hot pressing cavity 44, when the upper die 3 descends, the hot pressing head 33 can be pressed and clamped into the hot pressing cavity 44, the hot pressing head 33 can carry out hot pressing forming treatment on the heated metal composite plate materials placed in the hot pressing cavity 44, and in the process of carrying out hot pressing on the metal composite plate materials, the continuous pressure is usually required to be applied to the metal composite plate materials by the hot pressing head 33, and the set pressure state is kept for the set time, so that the hot pressing effect can be ensured by controlling the hot pressing cylinder 21, the original manual operation is replaced, the working efficiency is improved, and the product quality can be further ensured.

In addition, in order to achieve a better hot pressing effect on the metal composite plate material, the height of the hot pressing head 33 can be larger than the depth of the hot pressing cavity 44, so that the hot pressing head 33 can be conveniently and rapidly inserted into the hot pressing cavity 44, and the metal composite plate can be more tightly hot pressed.

In the utility model, the hot pressing head 33 is fixedly arranged at the bottom of the upper heat insulation plate 32 by adopting a fixed screw, the hot pressing module 43 is fixedly arranged at the top of the lower heat insulation plate 42 by adopting a screw, the hot pressing head 33 and the hot pressing module 43 are detachably connected by adopting a screw, and the hot pressing head 33 and the hot pressing module 43 with different sizes can be installed, so that the metal composite plates with different sizes can be pressed, the forming of the metal composite plates can be better adapted, and the utilization rate of the different metal composite plates can be improved; the screw is removed to enable the thermo-compression head 33 and the thermo-compression module 43 to be quickly removed, and the thermo-compression head 33 and the thermo-compression module 43 can be maintained or replaced.

In the present utility model, the upper heat insulating plate 32 and the lower heat insulating plate 42 are provided to thermally isolate the hot press head 33 and the hot press module 43, thereby reducing the cooling pressure on the upper platen 31 and the lower platen 41 and preventing the upper platen 31 and the lower platen 41 from being deformed at a high temperature.

Specifically, 1 bottom four corners of base are equipped with the reinforcing support piece 12, just the supporting shoe bottom can be dismantled and be equipped with supporting legs 13, can support 1 through the setting of supporting legs 13 for overall structure's stability is better, and can reach the effect that breaks away from with 1 of base through dismantling supporting legs 13, is convenient for dismantle supporting legs 13, conveniently carries out transportation and equipment.

In the utility model, the reinforced supporting block 12 is provided with the supporting hole for accommodating the supporting leg 13 to pass through, and the top of the supporting leg 13 is provided with the screw thread, so that the supporting leg 13 can be in screw thread connection with the supporting hole, and the relative position between the supporting leg 13 and the supporting hole can be changed by rotating the supporting leg in the forward and reverse directions, thus supporting and adjusting can be carried out, the effect of adapting to the installation positions with different heights can be achieved, and better supporting effect can be achieved.

Specifically, a check valve 24 which only allows the gas in the sealed space 7 to flow outwards is arranged between the fan 23 and the vacuum cover 2, and the sealed space 7 can be sealed when the sealed space 7 is vacuumized through the arrangement of the check valve 24, so that the heat dissipation of the fan 23 is not influenced, and the sealing effect of the sealed space 7 can be ensured.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a hot press for metal composite sheet, includes base (1), its characterized in that:

a bottom plate (11) is arranged at the top of the base (1), and a vacuum cover (2) is fixedly arranged at the top of the bottom plate (11);

the top of the vacuum cover (2) is fixedly provided with a mounting plate (22) for accommodating the installation of the hot-pressing cylinder (21), and the output end of the hot-pressing cylinder (21) is fixedly connected with the top of the upper die (3) through a connecting seat (10);

a limiting device (5) for limiting the moving range of the two sides of the upper die (3) is arranged between the mounting plate (22) and the upper die (3);

the bottom of the upper die (3) is provided with a lower die (4), and the lower die (4) can change the longitudinal position of the upper die (3) through a sliding device (6);

the vacuum cover (2) and the bottom plate (11) are combined with each other to form a sealing space (7) for sealing the upper die (3) and the lower die (4), and a vacuum device (8) is arranged at the bottom of the base corresponding to the sealing space (7);

the vacuum cover (2) is provided with a sealing device (9) for sealing the sealing space (7), and the side edge of the vacuum cover (2) is provided with a fan (23).

2. A hot press for metal composite panels according to claim 1, wherein: the limiting device (5) comprises linear bearings (51) which are correspondingly arranged on two sides of the mounting plate (22), and the linear bearings (51) are fixedly connected with the top of the upper die (3) through guide shafts (52);

the upper die (3) can horizontally slide relative to the mounting plate (22) through a guide shaft (52).

3. A hot press for metal composite panels according to claim 1, wherein: the sliding device (6) comprises a sliding cylinder (61) arranged at the top of the bottom plate (11), and the output end of the sliding cylinder (61) is fixedly connected with the bottom of the lower die (4) through a connecting plate (62);

linear guide rails (63) are correspondingly arranged on two sides of the sliding cylinder (61), and guide rail sliding blocks (64) are arranged at the bottom of the lower die (4) corresponding to the linear guide rails (63);

the guide rail sliding block (64) is provided with a sliding groove (65) which is mutually clamped with the linear guide rail (63).

4. A hot press for metal composite panels according to claim 1, wherein: the vacuum device (8) comprises a vacuum pump (81) arranged at the bottom of the bottom plate (11), and the input end of the vacuum pump (81) is communicated with the sealing space (7) through a connecting pipe (82).

5. A hot press for metal composite panels according to claim 1, wherein: the sealing device (9) comprises sealing frames (91) which are correspondingly arranged at two sides of the vacuum cover (2), and the sealing frames (91) at two sides of the vacuum cover (2) can transversely limit the sealing door (92) which is arranged in a sliding manner in the middle;

a limiting groove (93) for limiting the movement of the sealing door (92) is arranged in the sealing frame (91);

the sealing door (92) is fixedly connected with the output end of the sealing cylinder (95) through a connecting piece (94), and the sealing cylinder (95) is fixedly arranged at the top of the vacuum cover (2) through a mounting piece (96).

6. The hot press for metal composite panels according to claim 5, wherein: the bottom of the sealing door (92) is provided with an accommodating groove corresponding to the guide rail sliding block (64) of the sliding device (6), and the accommodating groove is provided with a sealing gasket corresponding to the linear guide rail (63).

7. A hot press for metal composite panels according to claim 1, wherein: the upper die (3) comprises an upper pressing plate (31) fixedly connected with the output end of the hot pressing cylinder (21) through a connecting seat (10), and an upper heat insulation plate (32) is arranged at the bottom of the upper pressing plate (31);

the bottom of the upper heat insulation plate (32) is detachably provided with a heat pressing head (33), and the heat pressing head (33) can be mutually clamped with a heat pressing cavity (44) of the lower die (4).

8. A hot press for metal composite panels according to claim 1, wherein: the lower die (4) comprises a lower pressing plate (41) which is in sliding connection with the sliding device (6), and a lower heat insulation plate (42) is arranged at the top of the lower pressing plate (41);

the top of the lower heat insulation plate (42) is detachably provided with a hot pressing module (43), and the top of the hot pressing module (43) is provided with a hot pressing cavity (44) for accommodating metal composite plate materials.

9. A hot press for metal composite panels according to claim 1, wherein: reinforcing supporting blocks (12) are arranged at four corners of the bottom of the base (1), and supporting feet (13) are detachably arranged at the bottoms of the supporting blocks.

10. A hot press for metal composite panels according to claim 1, wherein: a one-way valve (24) which only allows the gas in the sealed space (7) to flow outwards is arranged between the fan (23) and the vacuum cover (2).