Press machine for multi-layer composite board

Abstract

The invention discloses a press machine for a multi-layer composite board, and relates to the field of press machines. The invention discloses a press machine for a multi-layer composite board. Comprising a press bottom plate, supporting platforms symmetrically and fixedly connected to the upper surface of the press bottom plate, stand columns fixedly connected to the middles of the surfaces of the tops of the supporting platforms, limiting strips symmetrically and fixedly connected to the upper surface of the press bottom plate and located between the two supporting platforms, and an adjusting plate slidably connected to the surfaces of the two limiting strips. Transverse columns are symmetrically and fixedly connected to the back face of the adjusting plate, column grooves are formed in the surfaces of the transverse columns, and adjusting mechanisms for correcting the stacking positions of the multiple multi-layer composite plates stacked on the surfaces of the two supporting platforms are arranged on the groove walls of the two column grooves. Compared with a press machine which transmits pressure to the surface of a mold or an object through a hydraulic system, the multi-layer composite board pressing machine can be better matched with an AGV automatic carrying system, and therefore the pressing machining efficiency of a multi-layer composite board can be guaranteed.

Description

Technical Field

[0001] The invention relates to the field of presses, in particular to a press for multi-layer composite panels. Background Art

[0002] At present, the working principle of the composite plate press is an integrated structure of gas, electricity and mechanics. It mainly transmits pressure to the mold or the surface of the object through the hydraulic system, so as to press the composite plate into shape. Specifically, the hydraulic press delivers the hydraulic oil to the integrated cartridge valve block through the oil pump, and then distributes the hydraulic oil to the upper or lower chamber of the cylinder through the one-way valve and the overflow valve. The cylinder moves under the action of high pressure, thereby applying pressure to the composite plate. This operation mode is not suitable for the AGV automatic handling system. This is because the composite plate press works according to the rhythm of the hydraulic system driving the cylinder to move. Its working process includes a series of steps such as oil pump supply, hydraulic oil distribution to the upper and lower chambers of the cylinder through the valve block, and cylinder movement pressure. The AGV automatic handling system operates according to its own preset navigation path and task scheduling; For example, the time it takes for the AGV to transport the composite sheet to the press is difficult to accurately match with the pressing time of the press. The press may start pressing before the AGV has completely placed the sheet, or the AGV may wait too long for the press to complete a pressing cycle. The poor coordination of the movements leads to inefficient entire processing. When the two are combined, a complex collaborative control system needs to be established, which increases equipment costs.

[0003] Therefore, it is necessary to propose a press for multilayer composite panels to solve the above problems. Summary of the invention

[0004] The main purpose of the present invention is to provide a press for multi-layer composite panels, which can effectively solve the problems in the background technology.

[0005] To achieve the above object, the technical solution adopted by the present invention is: A press for multi-layer composite panels, comprising a press bottom plate, a support platform symmetrically fixedly connected to the upper surface of the press bottom plate, a column fixedly connected to the middle of the top surface of the support platform, a limit strip symmetrically fixedly connected to the upper surface of the press bottom plate and located between the two support platforms, and an adjustment plate slidably connected to the surfaces of the two limit strips, the back side of the adjustment plate is symmetrically fixedly connected to a cross column, the surface of the cross column is provided with a column groove, the two column groove walls are provided with an adjustment mechanism for correcting the stacking position of a plurality of multi-layer composite panels stacked on the surfaces of the two support platforms, the ends of the two column surfaces away from the support platforms are fixedly connected to a mounting plate, there are two mounting plates, and the surfaces of the two mounting plates are provided with a pressing mechanism for pressing the plurality of multi-layer composite panels; The adjusting mechanism comprises a movable block which is mounted in a column slot away from an end of the adjusting plate, a movable column is fixedly connected to the top of the movable block, a convex column is fixedly connected to an end of the surface of the movable column away from the movable block, a movable plate is slidably connected to the top of the support platform, an oblique groove is provided on the upper surface of the movable plate, the convex column is slidably connected to the wall of the oblique groove, and a fixed column is symmetrically fixedly connected to an end of the upper surface of the movable plate away from the oblique groove, wherein two of the fixed columns are slidably connected with clamping plates, and positioning columns are cooperatively installed on the surfaces of the other two fixed columns; The pressing mechanism includes a vertical column fixedly connected to the surfaces of two mounting plates, a groove is opened in the middle of the surface of the vertical column, a lifting column is slidably connected to the groove wall, a pressing plate is fixedly connected to the lower end of the lifting column, a counterweight plate is symmetrically fixedly connected to the upper surface of the pressing plate, a buckle is rotatably connected to the middle of the surface of the vertical column next to the groove, a second protrusion is fixedly connected to the middle of the surface of the lifting column, and the second protrusion is engaged with the buckle.

[0006] Preferably, one end of the column groove wall close to the adjustment plate is fixedly connected to a first spring, and the other end of the first spring is fixedly connected to the movable block.

[0007] Preferably, the surface of the splint is fixedly connected with a first protrusion at equal intervals, the surface of the first protrusion is cooperated with an inclined rod installed, the ends of the plurality of inclined rods away from the first protrusion are fixedly connected to the positioning column, the surface of the positioning column is fixedly connected with a cylinder at equal intervals, the plurality of cylinders are slidably connected to the fixing column, the ends of four cylinders away from the positioning column are fixedly connected to a top block, the outer side of the cylinder is sleeved with a second spring, one end of the four second springs are fixedly connected to the fixing column, the other end of the second spring is fixedly connected to the top block, the surface of the splint is fixedly connected with a connecting spring located next to the first protrusion, and the other ends of the plurality of connecting springs are fixedly connected to the fixing column.

[0008] Preferably, the buckle surface is provided with a forearm and a rear wall, the surface of the buckle away from the vertical column is rotatably connected to the first rotating block, the surface of the first rotating block is fixedly connected to the third spring, the end of the third spring away from the first rotating block is fixedly connected to the second rotating block, and the second rotating block is rotatably connected to the vertical column.

[0009] Preferably, the initial state of the first spring is a compressed state.

[0010] Preferably, two of the fixing columns are provided with first through holes at equal distances on their surfaces, and the four first through holes are all slidably connected to the clamping plate, and the other two fixing columns are provided with second through holes at equal distances on their surfaces, and the second through holes are slidably connected to the cylinder.

[0011] Preferably, the back side of the adjustment plate is fixedly connected to a limiting column below the horizontal column, a mounting block is symmetrically fixedly connected to the edge of the upper surface of the press bottom plate, the limiting column is slidably connected to the mounting block, and a return spring is sleeved on the outer side of the limiting column.

[0012] Preferably, a support column is fixedly connected to one side surface of the support platform.

[0013] Preferably, a mounting groove is provided on the surface of the vertical column close to the mounting plate, and the wall of the mounting groove is slidably connected to the vertical column.

[0014] Compared with the prior art, the present invention provides a press for multi-layer composite panels, which has the following beneficial effects: 1. The press machine for multi-layer composite panels can cooperate with the AGV automatic handling system. The AGV automatic handling vehicle transports multiple stacked multi-layer composite panels to the surfaces of two supporting platforms, and then lifts the multiple stacked multi-layer composite panels. The multi-layer composite panels at a high position contact the lower surface of the pressing plate, and the counterweight plate moves with the pressing plate, thereby pressing the multiple stacked multi-layer composite panels. When lifted to a certain height, the AGV automatic handling vehicle drives the multiple stacked multi-layer composite panels to move downward until the multi-layer composite panel at the lowest position is placed on the surfaces of the two supporting platforms again, and then lifts again until the second protrusion and the buckle are re-matched, and the pressing plate can be separated from the multi-layer composite panel at a high position. The AGV automatic handling vehicle takes away the multiple stacked multi-layer composite panels, and completes the pressing of the multiple stacked multi-layer composite panels. Compared with a press machine that uses a hydraulic system to transmit pressure to the surface of a mold or an object, it can cooperate better with the AGV automatic handling system, thereby ensuring the pressing processing efficiency of the multi-layer composite panels.

[0015] 2. The press for multi-layer composite panels, when the AGV automatic transport vehicle lifts multiple multi-layer composite panels stacked together, the AGV automatic transport vehicle can drive the adjustment plate to move in the direction of the compression return spring, the cross column moves with the adjustment plate, the movable column and the movable block move with the cross column, and relative movement occurs between the convex column and the inclined groove, driving the movable plate to move in the direction close to the multi-layer composite panel, the positioning column and the fixed column can contact the multiple multi-layer composite panels, and the multiple clamping plates can also contact the multiple multi-layer composite panels, so as to adjust the multiple multi-layer composite panels stacked together, so that the multiple multi-layer composite panels are stacked neatly, thereby ensuring the processing quality of the pressing process. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 The present invention Figure 1 Enlarged view of point A in the middle; Figure 3 It is a schematic diagram of the local structure of the movable plate and the clamping plate of the present invention; Figure 4 The present invention Figure 3 Enlarged view of point B in the middle; Figure 5 It is a schematic diagram of the overall structure of the present invention from another angle; Figure 6 The present invention Figure 5 Enlarged view of center C.

[0017] In the figure: 1, press bottom plate; 11, support platform; 12, column; 13, limit strip; 14, adjustment plate; 2, cross column; 3, column slot; 4, adjustment mechanism; 41, first spring; 42, movable block; 43, movable column; 44, convex column; 45, movable plate; 46, inclined slot; 47, fixed column; 48, clamping plate; 49, first convex block; 410, inclined rod; 411, positioning column; 412, cylinder; 413, top block; 414, second spring; 415, connecting spring; 5, mounting plate; 6, pressing mechanism; 61, vertical column; 62, groove; 63, lifting column; 64, pressure plate; 65, counterweight plate; 66, buckle; 67, second protrusion; 68, rear wall; 69, first rotating block; 610, third spring; 611, forearm; 7, limiting column; 8, mounting block; 9, reset spring; 10, supporting column. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0019] See also Figure 1 , Figure 3 and Figure 5 A press for multi-layer composite panels, comprising a press bottom plate 1, a support platform 11 symmetrically fixedly connected to the upper surface of the press bottom plate 1, a column 12 fixedly connected to the middle of the top surface of the support platform 11, a limit strip 13 symmetrically fixedly connected to the upper surface of the press bottom plate 1 and located between the two support platforms 11, and an adjustment plate 14 slidably connected to the surfaces of the two limit strips 13, a horizontal column 2 symmetrically fixedly connected to the back of the adjustment plate 14, a column groove 3 is provided on the surface of the horizontal column 2, and an adjustment mechanism 4 for correcting the stacking position of a plurality of multi-layer composite panels stacked on the surfaces of the two support platforms 11 is arranged on the groove walls of the two column grooves 3, a mounting plate 5 is fixedly connected to one end of the surface of the two columns 12 away from the support platform 11, and there are two mounting plates 5, and a pressing mechanism 6 for pressing a plurality of multi-layer composite panels is arranged on the surface of the two mounting plates 5; The adjustment mechanism 4 includes a movable block 42 which is mounted on the end of the column slot 3 away from the adjustment plate 14, a movable column 43 is fixedly connected to the top of the movable block 42, a convex column 44 is fixedly connected to the end of the surface of the movable column 43 away from the movable block 42, a movable plate 45 is slidably connected to the top of the support platform 11, an inclined groove 46 is provided on the upper surface of the movable plate 45, the convex column 44 is slidably connected to the groove wall of the inclined groove 46, and fixed columns 47 are symmetrically fixedly connected to the end of the upper surface of the movable plate 45 away from the inclined groove 46, wherein two fixed columns 47 are slidably connected with clamping plates 48, and positioning columns 411 are mounted on the surfaces of the other two fixed columns 47; The pressing mechanism 6 includes a vertical column 61 fixedly connected to the surfaces of the two mounting plates 5, a groove 62 is opened in the middle of the surface of the vertical column 61, a lifting column 63 is slidably connected to the groove wall of the groove 62, a pressing plate 64 is fixedly connected to the lower end of the lifting column 63, a counterweight plate 65 is symmetrically fixedly connected to the upper surface of the pressing plate 64, a buckle 66 is rotatably connected to the middle of the surface of the vertical column 61 next to the groove 62, and a second protrusion 67 is fixedly connected to the middle of the surface of the lifting column 63, and the second protrusion 67 is snap-connected to the buckle 66.

[0020] The surface of the buckle 66 is provided with a front arm 611 and a rear wall 68. The surface of the buckle 66 away from the vertical column 61 is rotatably connected to the first rotating block 69. The surface of the first rotating block 69 is fixedly connected to the third spring 610. One end of the third spring 610 away from the first rotating block 69 is fixedly connected to the second rotating block. The second rotating block is rotatably connected to the vertical column 61. It should be noted that the pressing mechanism 6 can press a plurality of neatly stacked multi-layer composite panels, so that the layers of the multi-layer composite panels are tightly combined. Compared with the use of an existing press, it can cooperate better with the AGV automatic handling system, thereby ensuring the pressing processing efficiency of the multi-layer composite panels; Specifically, the pressing plate 64 and the counterweight plate 65 form a pressing head. When the multiple multi-layer composite plates stacked together are lifted, the pressing head can press the composite plates. The pressing process starts when the composite plate is lifted to the lower surface of the pressing plate 64. The composite plate is first lifted, and the second protrusion 67 and the forearm 611 of the buckle 66 move relative to each other, and then separate. The forearm 611 can return to its initial state under the elastic force of the third spring 610. After the composite plate is lifted to a certain height, the composite plate at a high position does not contact the surface of the mounting plate 5, and the composite plate starts to move downward. In this process, the second protrusion 67 can contact the surface of the forearm 611 of the buckle 66. The third spring 610 is stretched and then separated from the forearm 611 of the buckle 66. Under the elastic force of the third spring 610, the buckle 66 can return to its initial state. Multiple composite plates will also contact the top of the support platform 11. Then the composite plate is lifted. The second protrusion 67 first contacts the rear wall 68 of the buckle 66 and then contacts the forearm 611 of the buckle 66. The second protrusion 67 cooperates with the buckle 66 to clamp the lifting column 63. At this point, the pressing of the composite plate is completed, and then the composite plate can be taken away from the press. The entire pressing process only requires the AGV automatic transport vehicle to adjust the position of the multiple multi-layer composite plates stacked together.

[0021] The surface of the clamping plate 48 is fixedly connected with the first protrusion 49 at equal intervals, and the surface of the first protrusion 49 is matched with an inclined rod 410, and the ends of the multiple inclined rods 410 away from the first protrusion 49 are fixedly connected to the positioning column 411, and the surface of the positioning column 411 is fixedly connected with a cylinder 412 at equal intervals, and the multiple cylinders 412 are slidably connected to the fixed column 47, and the ends of the four cylinders 412 away from the positioning column 411 are fixedly connected to a top block 413, and the outer side of the cylinder 412 is sleeved with a second spring 414, and one end of the four second springs 414 are fixedly connected to the fixed column 47, and the other end of the second spring 414 is fixedly connected to the top block 413, and the surface of the clamping plate 48 is fixedly connected with a connecting spring 415 located next to the first protrusion 49, and the other ends of the multiple connecting springs 415 are fixedly connected to the fixed column 47; It should be noted that the lifting mechanism used by the AGV automatic transport vehicle is similar to the lifting device structure used by the existing forklift. It is an existing mature technology and will not be repeated here. The AGV automatic transport vehicle places multiple stacked multi-layer composite panels on the surface of the support platform 11. At this time, the AGV automatic transport vehicle does not contact the surface of the adjustment plate 14, and then separates from the multi-layer composite panel at a lower position. When the multi-layer composite panel needs to be lifted, the AGV automatic transport vehicle contacts the surface of the adjustment plate 14, driving the adjustment plate 14 to move in the direction of the compression return spring 9, and a relative movement occurs between the adjustment plate 14 and the bottom plate 1 of the press. Since the initial state of the first spring 41 is a compressed state, the movement of the adjustment plate 14 and the cross column 2 can drive the movable block 42 and the movable column 43 to move together, and through the cooperation of the convex column 44 and the inclined groove 46, the movable plate 45 can be driven toward the multi-layer composite. The plate moves in the direction of rotation, the positioning column 411 first contacts the surface of the multi-layer composite plate, the cylinder 412 moves with the positioning column 411, the second spring 414 is stretched, and then the four positioning columns 411 and the four fixed columns 47 are all in contact with the multi-layer composite plate, and relative movement occurs between the movable block 42 and the column slot 3, and the first spring 41 is further compressed. The elastic force of the first spring 41 allows the convex column 44 to continue to move relative to the inclined slot 46, driving the movable plate 45 to move. In the process of relative movement between the positioning column 411 and the fixed column 47, the inclined rod 410 moves with the positioning column 411, and the inclined rod 410 cooperates with the first convex block 49 to drive the clamping plate 48 to move together. Under the joint action of the positioning column 411, the fixed column 47 and the clamping plate 48, multiple multi-layer composite plates can be stacked neatly, thereby ensuring the pressing effect of the pressing plate 64. It is possible to adjust the positions of the multiple multi-layer composite panels stacked together before the AGV automatic transport vehicle lifts the multiple multi-layer composite panels stacked together, so that the multiple multi-layer composite panels are stacked neatly; It should be noted that the composite plate is in a pressed state when it contacts the surface of the pressing plate 64 and then continues to be lifted up. When the composite plate is adjusted to move to the lowest position and then lifted up again, the composite plate is in a pressed state. When the second protrusion 67 and the buckle 66 are matched again, the pressing is completed. See also Figure 6 and Figure 5 , one end of the column slot 3 near the adjusting plate 14 is fixedly connected with a first spring 41, the other end of the first spring 41 is fixedly connected with the movable block 42, and the initial state of the first spring 41 is a compressed state; It should be noted that the reaction force generated by the compression of the first spring 41 acts on the surface of the movable block 42. By utilizing the elasticity and elastic force of the first spring 41, it is possible to ensure that the multiple positioning columns 411, the fixing columns 47, and the clamping plates 48 can adjust and stack the multiple multi-layer composite panels stacked together in an orderly manner. The same effect can also be achieved for multiple multi-layer composite panels stacked together of different sizes. That is, when replacing multi-layer composite panels stacked together of different sizes, the multiple composite panels can be adjusted to be stacked in an orderly manner, thereby ensuring the pressing processing quality of the press.

[0022] Two of the fixing columns 47 have first through holes equidistantly formed on their surfaces, and the four first through holes are all slidably connected to the clamping plate 48 . Another two of the fixing columns 47 have second through holes equidistantly formed on their surfaces, and the second through holes are slidably connected to the cylinder 412 .

[0023] See also Figure 3 and Figure 5 The back of the adjusting plate 14 is located below the horizontal column 2 and is fixedly connected to the limiting column 7. The edge of the upper surface of the press bottom plate 1 is symmetrically fixedly connected with the mounting block 8. The limiting column 7 is slidably connected to the mounting block 8. The outer side of the limiting column 7 is sleeved with a return spring 9. It should be noted that the elastic force of the reset spring 9 facilitates the reset of the adjustment plate 14, the cross column 2 and the movable column 43, so as to carry out the next composite plate pressing operation.

[0024] See also Figure 1 , Figure 3 , Figure 4 and Figure 5 , one side of the support platform 11 is fixedly connected with a support column 10; It should be noted that the support column 10 can play a supporting role and support the multiple multi-layer composite panels stacked together.

[0025] A mounting groove is provided on the surface of the vertical column 61 close to the mounting plate 5, and the wall of the mounting groove is slidably connected to the vertical column 61; It should be noted that the installation groove plays a connecting role, limits the movement of the lifting column 63, and ensures the stability of the lifting column 63 during the adjustment and movement process.

[0026] It should be noted that in actual use, AGV can be used to automatically transport letter carts. The mother cart can move in a direction parallel to the adjustment plate 14, and the child cart can move in a direction perpendicular to the adjustment plate 14. The AGV automatic letter transport cart is similar in structure to the existing transport carts used in factories, and has the same working principle. It is an existing mature technology. A first slide rail is installed on the factory floor, and the mother cart slides along the surface of the slide rail. The child cart is connected to the mother cart through a second slide rail. The child cart is responsible for adjusting the lifting and lowering of the composite plate and cooperating or separating with the support platform 11.

[0027] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A press for a multi-layer composite board, comprising a press bottom plate (1), a support platform (11) symmetrically fixedly connected to the upper surface of the press bottom plate (1), a column (12) fixedly connected to the middle of the top surface of the support platform (11), a limit bar (13) symmetrically fixedly connected to the upper surface of the press bottom plate (1) and located between two support platforms (11), and an adjustment plate (14) slidably connected to the surfaces of the two limit bars (13), characterized in that: The rear side of the adjustment plate (14) is symmetrically fixedly connected to a transverse column (2), the surface of the transverse column (2) is provided with a column groove (3), the groove walls of the two column grooves (3) are provided with an adjustment mechanism (4) for correcting the stacking position of a plurality of multi-layer composite panels stacked on the surfaces of the two support platforms (11), the surfaces of the two upright columns (12) are fixedly connected to a mounting plate (5) at one end away from the support platform (11), there are two mounting plates (5), and the surfaces of the two mounting plates (5) are provided with a pressing mechanism (6) for pressing the plurality of multi-layer composite panels; The adjustment mechanism (4) comprises a movable block (42) mounted in cooperation with one end of the column slot (3) away from the adjustment plate (14); a movable column (43) is fixedly connected to the top of the movable block (42); a convex column (44) is fixedly connected to the end of the surface of the movable column (43) away from the movable block (42); a movable plate (45) is slidably connected to the top of the support platform (11); an inclined groove (46) is provided on the upper surface of the movable plate (45); the convex column (44) is slidably connected to the groove wall of the inclined groove (46); a fixed column (47) is symmetrically fixedly connected to the end of the upper surface of the movable plate (45) away from the inclined groove (46); two of the fixed columns (47) are slidably connected with clamping plates (48); and positioning columns (411) are mounted on the surfaces of the other two fixed columns (47); The pressing mechanism (6) comprises a vertical column (61) fixedly connected to the surfaces of the two mounting plates (5); a groove (62) is provided in the middle of the surface of the vertical column (61); a lifting column (63) is slidably connected to the groove wall of the groove (62); a pressing plate (64) is fixedly connected to the lower end of the lifting column (63); a counterweight plate (65) is symmetrically fixedly connected to the upper surface of the pressing plate (64); a buckle (66) is rotatably connected to the middle of the surface of the vertical column (61) next to the groove (62); a second protrusion (67) is fixedly connected to the middle of the surface of the lifting column (63); and the second protrusion (67) is clipped to the buckle (66).

2. A press for a multi-layer composite board according to claim 1, characterized in that: A first spring (41) is fixedly connected to one end of the wall of the column slot (3) close to the adjustment plate (14), and the other end of the first spring (41) is fixedly connected to the movable block (42).

3. A press for a multi-layer composite board according to claim 1, characterized in that: The surface of the clamping plate (48) is fixedly connected with first protrusions (49) at equal intervals, and the surface of the first protrusion (49) is matched with an inclined rod (410) installed, and one end of the plurality of inclined rods (410) away from the first protrusion (49) is fixedly connected to a positioning column (411), and the surface of the positioning column (411) is fixedly connected with cylinders (412) at equal intervals, and the plurality of cylinders (412) are all slidably connected to the fixing column (47), and the ends of the four cylinders (412) away from the positioning column (411) are fixedly connected to the fixing column (47). One end is fixedly connected to a top block (413), the outer side of the cylinder (412) is sleeved with a second spring (414), one end of four second springs (414) are fixedly connected to a fixed column (47), the other end of the second spring (414) is fixedly connected to the top block (413), a connecting spring (415) is fixedly connected to the surface of the clamping plate (48) next to the first protrusion (49), and the other ends of the multiple connecting springs (415) are fixedly connected to the fixed column (47).

4. A press for a multi-layer composite board according to claim 1, characterized in that: A front arm (611) and a rear wall (68) are provided on the surface of the buckle (66); a surface of the buckle (66) away from the vertical column (61) is rotatably connected to a first rotating block (69); a surface of the first rotating block (69) is fixedly connected to a third spring (610); an end of the third spring (610) away from the first rotating block (69) is fixedly connected to a second rotating block; and the second rotating block is rotatably connected to the vertical column (61).

5. A press for a multi-layer composite board according to claim 2, characterized in that: The initial state of the first spring (41) is a compressed state.

6. A press for a multi-layer composite board according to claim 1, characterized in that: Two of the fixing columns (47) have first through holes equidistantly formed on their surfaces, and the four first through holes are all slidably connected to the clamping plate (48); the other two fixing columns (47) have second through holes equidistantly formed on their surfaces, and the second through holes are slidably connected to the cylinder (412).

7. A press for a multi-layer composite board according to claim 1, characterized in that: The back side of the adjustment plate (14) is located below the horizontal column (2) and is fixedly connected to a limiting column (7); a mounting block (8) is symmetrically fixedly connected to the edge of the upper surface of the press bottom plate (1); the limiting column (7) is slidably connected to the mounting block (8); and a return spring (9) is sleeved on the outer side of the limiting column (7).

8. A press machine for a multi-layer composite board according to claim 1, characterized in that: A support column (10) is fixedly connected to one side surface of the support platform (11).

9. A press machine for a multi-layer composite board according to claim 1, characterized in that: A mounting groove is provided on the surface of the vertical column (61) close to the mounting plate (5), and a wall of the mounting groove is slidably connected to the vertical column (61).

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