CN114425806A

CN114425806A - Arc-shaped plate, bending and shaping die for arc-shaped plate and bending and shaping process of arc-shaped plate

Info

Publication number: CN114425806A
Application number: CN202210018609.6A
Authority: CN
Inventors: 曾淑爱
Original assignee: Guangdong Euro Furniture Co ltd
Current assignee: Guangdong Euro Furniture Co ltd
Priority date: 2022-01-08
Filing date: 2022-01-08
Publication date: 2022-05-03
Anticipated expiration: 2042-01-08
Also published as: CN114425806B

Abstract

The application relates to an arc, arc bending forming die and bending forming process thereof, which belong to the technical field of plate production forming and comprise: the die comprises an upper die and a lower die, wherein a first arc-shaped surface is arranged on the top surface of the lower die, a second arc-shaped surface which can be abutted and matched with the first arc-shaped surface is arranged on the bottom surface of the upper die, and an arc-shaped plate is positioned between the second arc-shaped surface of the upper die and the first arc-shaped surface of the lower die during pressing. In order to better produce the arc plate-shaped clamping plate, the application provides an arc plate, an arc plate bending and shaping die and a bending and shaping process thereof.

Description

Arc-shaped plate, bending and shaping die for arc-shaped plate and bending and shaping process of arc-shaped plate

Technical Field

The application relates to the field of plate production forming, in particular to an arc plate, an arc plate bending and shaping die and a bending and shaping process thereof.

Background

Plywood is also known as plywood and is commonly referred to as thin core board in the industry. The plywood is generally made of three or more layers of single boards or thin boards through adhesive bonding and hot pressing, and is the most common material for making furniture by hand in the current market.

The splints are classified into general splints (splints suitable for wide use) and special splints (splints capable of satisfying special use) according to their use. The quality requirements of the splint comprise three contents of appearance grade, specification size and physical and mechanical properties, wherein the product is judged to be qualified products if the three contents of the appearance grade, the specification size and the physical and mechanical properties are all detected to be qualified, and otherwise, the product is judged to be unqualified. When the plywood leaves the factory, a product quality identification certificate of a quality inspection department of a manufacturing plant is required to be provided, and the type, specification, grade, bonding strength, water content and the like of the plywood are noted.

Although the plywood has all the advantages of natural wood, such as light volume weight, high strength, beautiful texture, insulation and the like, at present, the problem that the vertical and horizontal mechanical difference of the tiled laminated plywood is large still exists, the tiled laminated plywood can only be produced in a straight plate shape, and for the arc-shaped plywood, a good production experience and a good production process do not exist at present, so that a good production scheme does not exist for the arc-shaped plywood with more excellent vertical and horizontal mechanical degrees.

Disclosure of Invention

In order to better produce the splint of arc plate-like, this application provides an arc, arc bending forming die and bending forming process thereof.

The application provides a pair of arc bending design mould adopts following technical scheme:

the utility model provides an arc bending design mould, includes: the die comprises an upper die and a lower die, wherein a first arc-shaped surface is arranged on the top surface of the lower die, a second arc-shaped surface which can be abutted and matched with the first arc-shaped surface is arranged on the bottom surface of the upper die, and a clamping plate is positioned between the second arc-shaped surface of the upper die and the first arc-shaped surface of the lower die during pressing.

Through adopting above-mentioned technical scheme, adopt and go up the mould and carry out the production and the bending of arc with the lower mould cooperation for the arc of producing can have better plate body quality.

Preferably, the first arc-shaped surface is a downward concave arc surface on the horizontal plane, and the second arc-shaped surface is a downward convex arc surface on the horizontal plane.

Through adopting above-mentioned technical scheme, conveniently carry out the veneer preparation during to arc plate production, utilize to go up the mould and extrude the lower mould in order to compress tightly the plate body, make things convenient for staff drive mould action.

Preferably, the lower die comprises a base, first side plates are oppositely arranged on two sides of the base along the length direction of the base, a placing table is fixed between the oppositely arranged first side plates and positioned at the top of the base, the top surfaces of the first side plates and the placing table are correspondingly aligned, and the top surfaces of the first side plates and the placing table are combined into a first arc-shaped surface of the lower die; go up the mould including the footstock, along the length direction of footstock the both sides of footstock are provided with the second curb plate relatively, are located the bottom of footstock, setting relatively be fixed with the top between the second curb plate and press the platform, the bottom surface of second curb plate and the bottom surface of top press the platform correspond parallel and level mutually, and the bottom surface of second curb plate and the bottom surface of top press the platform close to do go up the second arcwall face of mould.

Through adopting above-mentioned technical scheme, lower mould and last mould are split mosaic structure, make things convenient for the staff to make to lower mould and last mould, compare the integrated production and also reduce the manufacturing cost of mould.

Preferably, the placing table comprises two first inclined plane plates and a first plug board part arranged between the two first inclined plane plates in a connection manner, and the connection positions between the first inclined plane plates and the first plug board part are parallel and level; the top pressing table comprises two second inclined plane plates and a second plugboard part arranged between the two second inclined plane plates in a connection mode, and the second inclined plane plates are parallel and level with connection positions between the second plugboard parts.

Through adopting above-mentioned technical scheme, lay the design of platform and top pressure platform, can improve the structural stability who lays platform and top pressure platform.

Preferably, the top surface of the first board part is a frosted surface, and the bottom surface of the second board part is a frosted surface.

Through adopting above-mentioned technical scheme for first picture peg portion has better butt stability with second picture peg portion.

Preferably, a plurality of first reinforcing plate ribs are arranged at the top of the base and the bottom of the placing table, and the side parts of the first reinforcing plate ribs are fixed with the first side plate; and a plurality of second reinforcing plate ribs are arranged at the bottom of the top seat and the top of the top pressing table, and the side parts of the second reinforcing plate ribs are fixed with the second side plate.

Through adopting above-mentioned technical scheme, the structural stability of mould and lower mould can be improved in the design of first reinforcing plate rib and second reinforcing plate rib.

Preferably, the top surface of the lower die is symmetrically provided with concave holes close to the two sides of the lower die, and the concave holes are inserted with positioning strips.

Through adopting above-mentioned technical scheme, the convenience can be decided the size of arc plate to the preparation of arc plate.

Preferably, a cushion pad is arranged at the bottom of the lower die.

By adopting the technical scheme, the stability of the upper die and the lower die during matching is convenient.

The application provides a technology for bending and shaping an arc-shaped plate, which adopts the following technical scheme:

a bending and shaping process of an arc-shaped plate comprises the following steps:

s1: manufacturing an upper die and a lower die.

S2: and a top plate and a bottom plate are placed between the upper die and the lower die and on the top surface of the lower die.

S3: and driving the upper die to displace towards the lower die by adopting a pressing device so as to carry out plate body pressure arc on the top plate and the bottom plate which are positioned at the top surface of the lower die.

S4: after the radian of the top plate and the bottom plate is shaped, the top plate is pulled out, and the top surface of the bottom plate is coated with shaping glue.

S5: be vertical form at the top surface of bottom plate and arrange and set up many daughter boards, many daughter boards are arranged in proper order towards the both sides direction of lower mould by the middle part of lower mould, adopt design glue to bond the both sides of daughter board, arrange the size and reach required size until many daughter boards.

S6: and coating the top surfaces of the daughter boards with sizing glue.

S7: the top plate is covered.

S8: and driving the upper die to displace towards the lower die by adopting a pressing device so as to integrally press and arc the top plate, the bottom plate and the daughter boards which are positioned at the top surface of the lower die.

S9: and (4) after the arc pressing is completed until the glue is dried completely and the top plate, the bottom plate and the daughter boards are tightly bonded, taking out the plate bodies after the top plate, the bottom plate and the daughter boards are fixedly bonded.

S10: and cutting and grinding the plate body according to the size of the drawing style.

Through adopting above-mentioned technical scheme, adopt the cooperation mode of mould, lower mould, press the bending in advance to roof and bottom plate, then prepare the arc, press the bending to the plate body that roof, bottom plate and daughter board formed again to the preparation is the arc, has one set of convenient and practical process of producing this type of arc.

The application provides a curved plate adopts following technical scheme:

an arcuate plate comprising:

roof and bottom plate, be provided with the sheet layer between roof and the bottom plate, the sheet layer is including many daughter boards of mutual veneer, the top of sheet layer with the bottom of roof is glued mutually the bottom of sheet layer with the top of bottom plate is glued mutually, the roof top surface with the bottom plate bottom surface all is equipped with curved arc portion, and two curved arc portions that are in the roof top surface and are in the bottom plate bottom surface correspond respectively to be located the roof with the middle part position of bottom plate is in the roof top surface curved arc portion top has the dull polish layer, is in the bottom plate bottom surface curved arc portion bottom has the dull polish layer.

By adopting the technical scheme, the produced arc-shaped plate can have better structural stability as a whole and the structural stability of the surface of the plate body through the process and the die.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the adoption is gone up the mould and is carried out the production of arc and the bending with the lower mould cooperation for the arc that produces can have better plate body quality, and in addition, lays the design of platform and top pressure platform, can improve the structural stability who lays platform and top pressure platform.

2. The cooperation mode of mould, lower mould is gone on bending in advance to roof and bottom plate to the adoption, then prepares the arc, bends to the plate body that roof, bottom plate and daughter board formed again to the preparation is the arc, has one set of convenient and practical process of this type of arc of production.

3. By adopting the process and the die, the produced arc-shaped plate can have better structural stability as a whole and the structural stability of the surface of the plate body.

Drawings

Fig. 1 is a schematic top view of the overall structure in the embodiment of the present application.

Fig. 2 is a schematic view of a disassembled side plate of the overall structure in the top view in the embodiment of the present application.

Fig. 3 is a schematic bottom view of the overall structure in the embodiment of the present application.

FIG. 4 is a schematic view of an arc-shaped plate structure in the embodiment of the present application.

Fig. 5 is a schematic view of the overall structure of the embodiment of the present application, in which a pressing device is used to press-bend an arc plate to wait for forming.

Description of reference numerals: 01. a top plate; 02. a base plate; 03. a ply layer; 04. a curved portion; 05. sanding layer; 1. an upper die; 11. a top seat; 12. a second side plate; 13. a jacking table; 131. a second inclined plane plate; 132. a second insertion plate portion; 2. a lower die; 21. a base; 22. a first side plate; 23. a placing table; 231. a first bevel panel; 232. a first insertion plate portion; 31. a first stiffener rib; 32. a second stiffener rib; 41. concave holes; 42. a positioning bar; 5. a cushion pad; 61. a main body vertical rod; 62. a first cross bar; 63. a second cross bar; 64. a threaded hole; 65. a threaded compression bar; 66. a cushion body.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses curved design mould of arc.

Referring to fig. 1, a curved design mould that bends of arc, including two most of last mould 1 and lower mould 2, wherein, in this embodiment, lower mould 2 is whole to be sunken setting, goes up mould 1 and wholly for the protrusion setting, considers according to manufacturing cost, and both whole adoption stereoplasm wood material preparation and splice of last mould 1 and lower mould 2 in this embodiment are fixed and are formed.

Referring to fig. 2, in this embodiment, the lower mold 2 includes a base 21, the base 21 is a rectangular plate structure, two first side plates 22 are disposed at positions of top surfaces of two sides of the base 21 and along a length direction of the base 21, the two first side plates 22 are disposed in this embodiment, the two first side plates 22 are disposed oppositely, and a top position of the first side plate 22 is cut by a cutting machine to form a recessed surface which is recessed downward on a horizontal plane.

Meanwhile, referring to fig. 2, a placing table 23 is disposed between the two oppositely disposed first side plates 22, the placing table 23 specifically includes two first inclined plates 231 and two first insertion plate portions 232, two side walls of the first inclined plates 231 are respectively screwed to the two oppositely disposed inner walls of the first side plates 22, the top surfaces of the first side plates 22 and the top surfaces of the first inclined plates 231 are parallel and level to each other, the first insertion plate portions 232 are formed by splicing a plurality of insertion plates in this embodiment, and the first insertion plate portions 232 are located between the two first inclined plates 231.

Specifically, refer to fig. 2, the polylith plugboard is whole to be vertical form and pegs graft at the top surface of base 21, meticulously, the draw-in groove has been seted up to the top surface of base 21, bond each other between the polylith plugboard and carry out the ascending screw locking of horizontal direction through the screw and form holistic first picture peg portion 232, then scribble in the bottom of first picture peg portion 232 and be equipped with design glue then with first picture peg portion 232 block in the draw-in groove, and the top surface of first picture peg portion 232 is equally cut into through the cutting machine and first curb plate 22 radian looks adaptation, be the sunk surface of undercut on the horizontal plane, and one side that two first inclined plane boards 231 are close to first picture peg portion 232 carries out the veneer rigid coupling with the both sides of first picture peg portion 232 respectively, until the position looks parallel and level of plugging into of first inclined plane board 231 and first picture peg portion 232. In the present embodiment, the top surface of the first inserting plate 232, the top surface of the first inclined plate 231 and the top surface of the first side plate 22 are integrally the first arc-shaped surfaces.

In this embodiment, referring to fig. 2 and 3, the upper die 1 includes a top seat 11, the top seat 11 is also a rectangular plate structure, the size of the top seat 11 is the same as that of the base 21, two second side plates 12 are disposed at bottom positions of two sides of the top seat 11 along the length direction of the top seat 11, the two second side plates 12 are disposed in this embodiment, the two second side plates 12 are also disposed oppositely, and the bottom position of the second side plate 12 is cut by a cutting machine into a protruding surface protruding downward on a horizontal plane.

Meanwhile, referring to fig. 2 and 3, a top pressing table 13 is disposed between the two oppositely disposed second side plates 12, the top pressing table 13 specifically includes two second inclined plane plates 131 and two second insertion plate portions 132, the two second inclined plane plates 131 are also disposed, two side walls of the second inclined plane plates 131 are respectively screwed to the opposite inner walls of the two oppositely disposed second side plates 12, and the bottom surfaces of the second side plates 12 and the bottom surfaces of the second inclined plane plates 131 are correspondingly flush with each other, the second insertion plate portions 132 are also formed by splicing a plurality of insertion plate portions in this embodiment, and the second insertion plate portions 132 are located between the two second inclined plane plates 131.

Referring to fig. 2 and 3, the plugboard in the second plugboard portion 132 has two board bodies, one of which is a long board and the other of which is a short board, the long board and the short board are arranged in a staggered manner, the multiple plugboards in a staggered manner are integrally inserted into the bottom of the top seat 11 in a fan shape, the multiple plugboards in a staggered manner are glued with each other, moreover, through holes are arranged among the plurality of long and short staggered plugboards for communication, the plurality of long and short staggered plugboards are locked to form an integral second plugboard part 132 by inserting the steel cable into the through holes, and the bottom surface of the second insertion plate portion 132 is also cut by a cutter into a convex surface which is adapted to the curvature of the second side plate 12 and is convex downward in the horizontal plane, and one side of the two second inclined plane plates 131 close to the second socket plate portion 132 is respectively glued and fixedly connected with two sides of the second socket plate portion 132 until the connection positions of the second inclined plane plates 131 and the second socket plate portion 132 are aligned. In the present embodiment, the bottom surface of the second inserting plate portion 132, the bottom surface of the second inclined plate 131, and the bottom surface of the second side plate 12 are all second arc-shaped surfaces.

In addition, referring to fig. 2 and 3, in the present embodiment, the top surface of the first board portion 232 is a frosted surface, the bottom surface of the second board portion 132 is a frosted surface, a plurality of first stiffener ribs 31 are mounted at the bottom of the placing table 23, the first stiffener ribs 31 are all located at the top of the base 21, and the side portions of the first stiffener ribs 31 are all fixed to the first side plate 22; and a plurality of second reinforcing plate ribs 32 are arranged at the top of the top press table 13, the second reinforcing plate ribs 32 are all positioned at the bottom of the top seat 11, and the side parts of the second reinforcing plate ribs 32 are all fixed with the second side plate 12.

In addition, refer to fig. 2, fig. 3, be a plurality of shrinkage pools 41 at the top surface of lower mould 2 and have seted up the symmetry form, the line extending direction of a plurality of shrinkage pools 41 is unanimous with the extending direction of first inclined plane board 231, wherein, it has location strip 42 to peg graft shrinkage pools 41 according to the operating condition demand, be used for carrying out position determination to the arc board, and simultaneously, be provided with blotter 5 in the bottom of lower mould 2, blotter 5 carries out threaded connection with lower mould 2 bottom, blotter 5 specifically is the rubber and plastic hard pad, blotter 5's bottom is equipped with the frosted line.

Another object of this embodiment is to provide a process for press bending and shaping an arc-shaped plate by using the above-mentioned mold.

Referring to fig. 4 and 5, a bending and shaping process of an arc-shaped plate comprises the following steps:

s1: and cutting the hard wood board and the batten, and manufacturing an upper die 1 and a lower die 2.

S2: a top plate 01 and a bottom plate 02 are placed between the upper die 1 and the lower die 2 and on the top surface of the lower die 2.

S3: and driving the upper die 1 to displace towards the lower die 2 by adopting a pressing device so as to press the arc of the plate body on the top plate 01 and the bottom plate 02 at the top surface position of the lower die 2.

In this embodiment, the pressing device includes a main vertical rod 61, a first cross rod 62 is fixed at the bottom of the main vertical rod 61, a second cross rod 63 is fixed at the rod body of the main vertical rod 61, the distance between the first cross rod 62 and the second cross rod 63 at least exceeds the height and 10cm between the upper die 1 and the lower die 2, a threaded hole 64 is vertically formed in one side position of the second cross rod 63 away from the main vertical rod 61, a threaded compression rod 65 is in threaded connection in the threaded hole 64, and a cushion body 66 is installed at the bottom of the threaded compression rod 65.

When the arc pressing is needed, the first cross rod 62 is placed at the bottom of the lower die 2, the second cross rod 63 is placed at the top of the upper die 1, then the threaded pressure rod 65 is rotated to enable the pad body 66 to abut against the top surface of the upper die 1, and the upper die 1, the lower die 2, the top plate 01 and the bottom plate 02 placed between the upper die 1 and the lower die 2 are continuously pressed tightly.

S4: after the radian of the top plate 01 and the radian of the bottom plate 02 are shaped, the top plate 01 is drawn out, and meanwhile, the top surface of the bottom plate 02 is coated with shaping glue.

S5: be vertical form at the top surface of bottom plate 02 and arrange and set up many daughter boards, many daughter boards are arranged in proper order towards the both sides direction of lower mould 2 by the middle part of lower mould 2, adopt design glue to bond the both sides of daughter board, it reaches required size to arrange the size until many daughter boards, reach required size back, insert at the shrinkage pool 41 position department that is closest to the daughter board and establish location strip 42, and put into the backing plate between location strip 42 and daughter board, in this embodiment, based on the cost, the backing plate adopts the wooden backing plate of waste material of production and processing excision.

S6: and coating the top surfaces of the daughter boards with sizing glue.

S7: the top plate 01 is covered.

S8: the upper die 1 is driven by a pressing device to displace towards the lower die 2 so as to integrally press and arc the top plate 01, the bottom plate 02 and the plurality of daughter boards which are positioned at the top surface of the lower die 2.

Similarly, when the arc pressing is needed, the first cross rod 62 is placed at the bottom of the lower die 2, the second cross rod 63 is placed at the top of the upper die 1, then the threaded press rod 65 is rotated to enable the pad 66 to abut against the top surface of the upper die 1, and the upper die 1, the lower die 2, the top plate 01 and the bottom plate 02 which are placed between the upper die 1 and the lower die 2 and a plurality of daughter boards are continuously pressed.

S9: and (3) after the integral arc pressing is completed until the glue is dried completely and the top plate 01, the bottom plate 02 and the daughter boards are tightly bonded, taking out the plate body after the top plate 01, the bottom plate 02 and the daughter boards are fixedly combined, wherein the plate body at the moment is a semi-finished arc plate.

S10: and cutting and polishing the semi-finished arc plate according to the drawing size to form the finished arc plate.

Still another object of the present invention is to provide an arc plate produced by the above mold and the above process.

Referring to fig. 4 and 5, an arc-shaped plate comprises a top plate 01 and a bottom plate 02, a plate layer 03 is arranged between the top plate 01 and the bottom plate 02, the plate layer 03 comprises a plurality of sub-plates glued with each other, the top of the plate layer 03 is glued with the bottom of the top plate 01, the bottom of the plate layer 03 is glued with the top of the bottom plate 02, the top surfaces of the top plate 01 and the bottom plate 02 are respectively provided with a curved arc portion 04, the two curved arc portions 04 on the top surface of the top plate 01 and on the bottom surface of the bottom plate 02 are respectively and correspondingly positioned at the middle positions of the top plate 01 and the bottom plate 02, the top of the curved arc portion 04 on the top surface of the top plate 01 is provided with a frosted layer 05, and the bottom of the curved arc portion 04 on the bottom surface of the bottom plate 02 is provided with a frosted layer 05.

The above are all preferred embodiments of the present application, and the present embodiment is only explained for the present application, and the protection scope of the present application is not limited by this, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. An arc plate bending and shaping die for producing and forming an arc plate of claim 1, comprising: go up mould (1) and lower mould (2), the top surface of lower mould (2) is equipped with first arcwall face, the bottom surface of going up mould (1) is equipped with can butt complex second arcwall face with first arcwall face, and the arc is located when the pressfitting go up the second arcwall face of mould (1) with position between the first arcwall face of lower mould (2).

2. The curved plate bending and sizing die as claimed in claim 1, wherein the first curved surface is a downwardly concave curved surface on a horizontal plane, and the second curved surface is a downwardly convex curved surface on the horizontal plane.

3. The bending and shaping die for the arc-shaped plates according to claim 1, wherein the lower die (2) comprises a base (21), first side plates (22) are oppositely arranged on two sides of the base (21) along the length direction of the base (21), a placing table (23) is fixed between the oppositely arranged first side plates (22) and is positioned at the top of the base (21), the top surfaces of the first side plates (22) and the placing table (23) are correspondingly flush, and the top surfaces of the first side plates (22) and the placing table (23) are combined into a first arc-shaped surface of the lower die (2); go up mould (1) including footstock (11), along the length direction of footstock (11) the both sides of footstock (11) are provided with second curb plate (12) relatively, are located the bottom of footstock (11), setting up relatively be fixed with between second curb plate (12) and push up platform (13), the bottom surface of second curb plate (12) and the corresponding parallel and level of bottom surface of push up platform (13), the bottom surface of second curb plate (12) and the bottom surface of push up platform (13) close and do go up the second arcwall face of mould (1).

4. The curved plate bending and sizing die according to claim 3, wherein the placing table (23) comprises two first inclined plates (231) and a first plug plate part (232) which is connected and arranged between the two first inclined plates (231), and the connection position between the first inclined plates (231) and the first plug plate part (232) is flush; the top pressing table (13) comprises two second inclined plane plates (131) and a second inserting plate part (132) arranged between the two second inclined plane plates (131) in a connection mode, and the connection positions of the second inclined plane plates (131) and the second inserting plate part (132) are flush.

5. The curved plate bending and sizing die as claimed in claim 4, wherein the top surface of the first insertion plate portion (232) is a frosted surface, and the bottom surface of the second insertion plate portion (132) is a frosted surface.

6. The curved plate bending and shaping die according to claim 3, wherein a plurality of first reinforcing plate ribs (31) are arranged at the top of the base (21) and the bottom of the placing table (23), and the side parts of the first reinforcing plate ribs (31) are fixed with the first side plate (22); the second reinforcing plate ribs (32) are arranged at the bottom of the top seat (11) and the top of the jacking table (13), and the lateral parts of the second reinforcing plate ribs (32) are fixed with the second side plate (12).

7. The curved plate bending and shaping mold according to claim 1, wherein concave holes (41) are symmetrically formed in the top surface of the top of the lower mold (2) close to the two sides of the lower mold (2), and positioning strips (42) are inserted into the concave holes (41).

8. The curved plate bending and shaping die according to claim 1, wherein a cushion pad (5) is arranged at the bottom of the lower die (2).

9. A process for bending and setting an arc plate, which uses the die for bending and setting an arc plate according to any one of claims 1 to 8 to produce an arc plate, comprising:

s1: manufacturing an upper die (1) and a lower die (2);

s2: a top plate (01) and a bottom plate (02) are placed between the upper die (1) and the lower die (2) and on the top surface of the lower die (2);

s3: the pressing device is adopted to drive the upper die (1) to displace towards the lower die (2) so as to carry out plate body pressure arc on the top plate (01) and the bottom plate (02) which are positioned at the top surface of the lower die (2);

s4: after the top plate (01) and the bottom plate (02) are shaped in a radian mode, the top plate (01) is pulled out, and shaping glue is coated on the top surface of the bottom plate (02);

s5: arranging a plurality of daughter boards on the top surface of the bottom plate (02) in a vertical manner, sequentially arranging the daughter boards from the middle part of the lower die (2) to the two sides of the lower die (2), and bonding the two sides of the daughter boards by using shaping glue until the arrangement size of the daughter boards reaches the required size;

s6: coating setting glue on the top surfaces of the daughter boards;

s7: a top plate (01) is covered;

s8: the upper die (1) is driven to displace towards the lower die (2) by adopting a pressing device so as to integrally press and arc the top plate (01), the bottom plate (02) and the plurality of daughter boards which are positioned at the top surface of the lower die (2);

s9: after the arc pressing is carried out in an integrated mode until the glue is dried completely and the top plate (01), the bottom plate (02) and the daughter boards are tightly bonded, the plate body formed by fixedly combining the top plate (01), the bottom plate (02) and the daughter boards is taken out;

s10: and cutting and polishing the plate body according to the size of the drawing style.

10. An arc plate produced by the bending and shaping process of an arc plate according to claim 9, comprising:

roof (01) and bottom plate (02), be provided with between roof (01) and bottom plate (02) sheet layer (03), sheet layer (03) including many daughter boards of gluing each other, the top of sheet layer (03) with the bottom of roof (01) is glued, the bottom of sheet layer (03) with the top of bottom plate (02) is glued mutually, roof (01) top surface with bottom plate (02) bottom surface all is equipped with curved arc portion (04), is in roof (01) top surface and is located two curved arc portions (04) of bottom plate (02) bottom surface correspond respectively and are located roof (01) with the middle part position of bottom plate (02), be in roof (01) top surface curved arc portion (04) top has dull polish layer (05), is in bottom plate (02) bottom surface curved arc portion (04) bottom has dull polish layer (05).