CN211763449U

CN211763449U - Edge-folding forming die for decorative sheet

Info

Publication number: CN211763449U
Application number: CN201922029239.2U
Authority: CN
Inventors: 孔祥芬
Original assignee: Wenzhou Zhengrui Technology Co ltd
Current assignee: Wenzhou Zhengrui Technology Co ltd
Priority date: 2019-11-20
Filing date: 2019-11-20
Publication date: 2020-10-27
Anticipated expiration: 2029-11-20

Abstract

The utility model relates to a decorative sheet hem moulded die, including the last mould and the lower mould of mutually supporting, be equipped with sheet bearing platform and the hem heat setting subassembly of locating the side of sheet bearing platform on the die holder of lower mould, sheet bearing platform floatingly supports liftable on the die holder, and hem heat setting subassembly includes the heat setting module who takes heating element, and heat setting module corresponds to be equipped with shaping step groove and the sheet edge portion bearing face that is located shaping step groove top on sheet bearing platform one side, sheet bearing platform has the sheet bearing station that rises to correspond with sheet edge portion bearing face position and falls to the sheet hem shaping station that corresponds with shaping step groove bottom position, and the last mould includes the upper die base and installs the design protruding module on the upper die base, and design protruding module has can roof pressure and constitute the roof pressure face to the sheet centre gripping on sheet bearing platform, the side edge of the top pressure surface of the shaping convex module is provided with a shaping step matched with the shaping step groove. The decorative sheet with the turned-over edge is formed by processing.

Description

Edge-folding forming die for decorative sheet

Technical Field

The utility model relates to a mould, the definite decorative sheet hem moulded die that says so.

Background

With the improvement of living standard, the wall socket/switch is already taken as a part of house decoration, and in order to improve the decoration effect of the wall socket/switch, a plastic decoration sheet is attached to a wall switch/socket panel, so that the decoration effect is improved; however, the existing decorative sheet is a plane sheet, the side edge of the wall switch/socket is exposed, the side edge of the decorative sheet cannot cover the wall switch/socket, and the decorative effect is not ideal. In order to solve the technical problem, the decorative sheet with the side edge folding edge is needed, and the existing equipment can not process the decorative sheet with the side edge folding edge.

Disclosure of Invention

The utility model discloses the invention purpose: for overcoming the defect that prior art exists, the utility model provides a workable completion is decorated turn-ups moulded die of sheet material hem.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a decorative sheet hem moulded die, includes the last mould and the lower mould of mutually supporting, its characterized in that: the lower die comprises a lower die base, a sheet bearing table and a flanging heat setting assembly are arranged on the lower die base, the flanging heat setting assembly is arranged on the side of the sheet bearing table, the sheet bearing table is supported on the lower die base in a floating mode and can be lifted, the flanging heat setting assembly comprises a heat setting module, a heating element for heating the heat setting module is arranged on the heat setting module, a forming step groove and a sheet edge bearing surface positioned above the forming step groove are arranged on one side of the heat setting module corresponding to the sheet bearing table, the sheet bearing table is provided with a sheet bearing station which is lifted to the position corresponding to the sheet edge bearing surface and a sheet flanging forming station which is lowered to the position corresponding to the bottom of the forming step groove, the upper die comprises an upper die base and a setting convex module arranged on the upper die base, and the setting convex module is provided with a pressing surface which can be pressed on the sheet bearing table to form clamping to the sheet, the side edge of the top pressure surface of the shaping convex module is provided with a shaping step matched with the shaping step groove.

The working principle of the edge folding forming die for the decorative sheet is as follows: the heat setting module is heated to the temperature required by heat setting through a heating element, the sheet receiving table is positioned at a sheet receiving station, a sheet blank is placed on the sheet receiving table, the edge of the sheet blank is placed above the edge receiving surface of the sheet, the upper die moves downwards, the setting convex module is pressed on the sheet receiving table to clamp the sheet blank to move downwards, the side edge of the sheet blank is stopped by the edge receiving surface of the sheet until the sheet receiving table enters the sheet flanging forming station, the edge of the sheet blank is heat-set through the forming step groove and the setting step of the setting convex module, the upper die moves upwards and is separated from the lower die, and the sheet blank is heat-set to form a decorative sheet with a flanging.

Preferably, the heat setting module comprises a fixed module and a sliding module, the sliding module is linearly arranged on the lower die holder in a sliding mode along the lateral side of the sheet bearing table, the fixed module is arranged between the sliding module and the sheet bearing table, the fixed module is provided with an L-shaped step part, the sliding module is provided with a vertical setting wall which can be correspondingly linked with the upper edge of the vertical surface of the L-shaped step part, the vertical setting wall and the L-shaped step part are enclosed to form a forming step groove, the bearing surface of the edge part of the sheet is arranged above the vertical setting wall of the sliding module, the sliding module corresponds to the sliding direction of the sliding module and is connected with a linkage sliding block in a linkage mode, the linkage sliding block is arranged on the lower die holder in a sliding mode, a compression spring is arranged between the linkage sliding block and the sliding module, and a compressible movable gap is formed between the linkage sliding block and the sliding module and kept under the action of the compression spring And the sliding module is provided with a shaping station which slides inwards to the vertical shaping wall corresponding to the upper edge of the vertical surface of the L-shaped step part and a stripping position which slides outwards to the vertical shaping wall and the upper edge of the vertical surface of the L-shaped step part in a staggered manner, and a stripping spring which drives the sliding module to tend to strip the stripping position is arranged between the sliding module and the fixed module. Under the structural design, the heat setting die adopts a sliding module and a fixed module, the forming stepped groove adopts a two-part design, when the sheet blank is formed, the sheet blank is stopped and folded by the bearing surface at the edge part of the sheet, meanwhile, the vertical shaping wall of the sliding module which is used for pressing the folded edge of the sheet blank under the action of the linkage sliding block and the compression spring is correspondingly connected with the upper edge of the vertical surface of the L-shaped step part, the reliable heat shaping of the folded edge is realized, and simultaneously, the compression spring and the stripping spring store energy, after the sheet blank is heat-set, under the action of the compression spring, the stripping spring and the linkage mechanism, the linkage slide block moves and drives the slide module to quickly bounce to the initial position, and the sheet receiving platform rises to a position corresponding to the position of the receiving surface at the edge of the sheet, so that the sheet blank is quickly separated from the forming stepped groove of the hot setting module, the product is prevented from being scalded, and the processing reliability is ensured.

Preferably, the linkage mechanism comprises a T-shaped groove arranged on the linkage sliding block, the T-shaped groove is arranged on one side, facing the sliding module, of the linkage sliding block, the T-shaped connector protrudes towards one side of the linkage sliding block, the T-shaped connector is inserted into the T-shaped groove, and the T-shaped connector and the T-shaped groove have a relative movable stroke matched with the compressible movable gap along the sliding direction of the linkage sliding block. Under this structural design, linkage structure simple structure, processing is convenient and linkage connection is reliable.

Preferably, the vertical shaping wall is obliquely arranged from the lower end to the upper end and extends to one side of the oblique sheet receiving platform. Under this structural design, can process and form the bigger decorative sheet of hem free end gradient.

Preferably, a driving inclined plane which is inclined outwards from top to bottom is arranged on the outer side of the linkage sliding block, a driving plate which extends downwards and is used for abutting against the driving inclined plane to push the linkage sliding block is arranged on the upper die base, and an abutting fit surface of the driving plate and the driving inclined plane is an inclined plane. Under the structural design, the upper die moves downwards, and the driving plate on the upper die abuts against the driving inclined plane to drive the linkage sliding block to slide; in addition, the driving plate is matched with the driving inclined plane, so that the sliding of the linkage sliding block with smaller displacement can be fully realized under the condition of the descending stroke of the lower die, and the die can work more reliably.

Preferably, the bottom of the sheet receiving table is provided with a floating support spring for driving the sheet receiving table to tend to rise to the sheet receiving station, the lower die base is provided with a receiving table locking mechanism for locking the sheet receiving table on the sheet flanging forming station, and the receiving table locking mechanism is matched with the sheet receiving table in a locking and unlocking manner. Under this structural design, sheet bearing platform is through spring floating support, and floating support spring provides the drive power that sheet bearing platform rises, and bearing platform locking mechanism realizes the keeping of sheet bearing platform on sheet hem shaping station to can realize going up the mould and rise to the specific position after the bearing platform rises at sheet hem shaping station unblock and rise.

Preferably, the receiving table locking mechanism comprises a locking block arranged on the lower die base in a sliding manner and a locking step port arranged at the side edge of the sheet receiving table, the locking block is arranged at the side of the sheet receiving table, one end of the locking block, facing the sheet receiving table, is provided with a locking head end capable of sliding into and out of the locking step port, the locking block is matched with a locking spring driving the locking head end to tend to slide into the locking step port, the locking block is provided with an unlocking operation hole, the locking block is provided with a locking position enabling the locking head end to be arranged in the locking step port and an unlocking position enabling the locking head end to be withdrawn from the locking step port, the sheet receiving table is positioned below the locking step port and is provided with an entity part enabling the locking head end to be abutted to form the locking block to compress the locking spring for energy storage, the upper die base is provided with an unlocking draw hook, the unlocking draw hook is provided with an unlocking raised head matched with the pushing, when the locking piece is located at the locking position, the unlocking raised head of the unlocking drag hook is in pushing fit with the unlocking operation hole wall to form the effect that the locking piece is stirred to slide to the locking head end and slide out of the locking step hole. Under this structural design, in the process of sheet receiving station from the sheet receiving station to entering sheet hem shaping station, the solid part is to locking head end conflict backstop make blocking spring be in the compression energy storage state, make sheet receiving station reach sheet hem shaping station after, the locking piece slides under the blocking spring effect, locking head end gets into the locking step mouth, thereby reach and lock sheet receiving station on sheet hem shaping station, during the unblock operation, go up the mould, the unblock plush copper of unblock drag hook gets into unblock operation hole and unblock operation pore wall top pushes away and reaches and pushes away the locking piece to unblock position.

Preferably, the shaping convex module is supported on the upper die base in a floating manner, and a convex module supporting spring is arranged between the upper die base and the shaping convex module. Under this structural design, the protruding module of design and sheet receiving station are more for soft contact and throw off, and form better centre gripping effect to the sheet.

Preferably, be equipped with mould water cooling channel in the upper die base, be equipped with lower mould water cooling channel in the die holder, be equipped with the bearing platform water cooling channel in the sheet bearing platform, bearing platform water cooling channel and lower mould water cooling channel UNICOM in order. Under this structural design, guarantee that mould job stabilization is reliable, reduce the influence to the sheet.

Preferably, a pair of folded edge heat setting assemblies is arranged on the lateral side of the sheet receiving table, and the two sets of heat setting assemblies are oppositely arranged on the two sides of the sheet receiving table. Under this structural design, realize two relative hem machine-shaping of sheet.

The present invention will be further described with reference to the accompanying drawings.

Drawings

FIG. 1 is a perspective view of a decorative sheet folding mold according to an embodiment of the present invention in an open state;

FIG. 2 is a first schematic structural view of a decorative sheet folding forming mold in a mold closing state according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of a decoration sheet folding forming mold in a mold closing state according to an embodiment of the present invention;

FIG. 4 is a top view of a sheet receiving table of a lower die of an embodiment of the present invention at a sheet receiving station;

FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;

FIG. 6 is a cross-sectional view taken along line B-B of FIG. 4;

FIG. 7 is a cross-sectional view taken along line C-C of FIG. 4;

FIG. 8 is a top view of a sheet receiving table of a lower die of an embodiment of the present invention at a sheet flanging molding station;

FIG. 9 is a cross-sectional view taken along line D-D of FIG. 8;

fig. 10 is a sectional view taken along line E-E in fig. 8.

Detailed Description

Referring to the drawings 1-10, the utility model discloses a decorative sheet hem moulded die, including last mould 1 and the lower mould 2 of mutually supporting, lower mould 2 includes die holder 21, is equipped with sheet and holds platform 22 and hem heat setting subassembly on the die holder 21, and hem heat setting subassembly is located the side that sheet held platform 22, in this embodiment, sheet holds platform 22 left and right sides side and is equipped with a pair of hem heat setting subassembly, and two sets of heat setting subassemblies are relative and set up in sheet and hold platform left and right sides, can design a set of hem heat setting subassembly or three groups or four groups as required certainly, and sheet holds platform 22 floating support liftable on die holder 21, but hem heat setting subassembly is equipped with heating element 23-1 to heat setting module 23 heating including heat setting module 23 on the heat setting module 23, and heat setting module 23 corresponds sheet and holds the sheet edge portion that is equipped with shaping step groove I and is located shaping step groove I top on one side of platform 22, and is held to the sheet The sheet receiving platform 22 is provided with a sheet receiving station which rises to a position corresponding to the sheet edge receiving surface II and a sheet flanging forming station which falls to a position corresponding to the bottom of the forming step groove I, the upper die 1 comprises an upper die base 11 and a shaping convex module 12 installed on the upper die base 11, the shaping convex module 12 is provided with a top pressing surface 121 which can be pressed on the sheet receiving platform 22 to clamp the sheet, and a shaping step III matched with the forming step groove I is arranged on the side edge of the top pressing surface 121 of the shaping convex module 12.

The heat setting module 23 comprises a fixed module 231 and a sliding module 232, the sliding module 232 is linearly arranged on the lower die holder 21 along the side of the sheet receiving table 22 in a sliding manner, the fixed module 231 is arranged between the sliding module 232 and the sheet receiving table 22, the fixed module 231 is provided with an L-shaped step portion 2311, the sliding module 232 is provided with a vertical setting wall 2321 which can be correspondingly connected with the upper edge of the vertical surface of the L-shaped step portion 2311, the vertical setting wall 2321 and the L-shaped step portion 2311 enclose the forming step groove I, the sheet edge receiving surface II is arranged above the vertical setting wall 2321 of the sliding module 232, one side of the sliding module 232, corresponding to the sliding direction of the sliding module 232 and far away from the sheet receiving table 22, is linked and connected with a linkage slider 24, the linkage slider 24 is arranged on the lower die holder 21 in a sliding manner, a compression spring 25 is arranged between the linkage slider 24 and the sliding module 232, and a compressible movable gap, a linkage mechanism which forms a compressible movable gap IV between the linkage slider 24 and the sliding module 232 under the action of a compression spring 25 and has a relative movable stroke V matched with the compressible movable gap IV is arranged between the linkage slider 24 and the sliding module 232, the internal movable stroke of the linkage mechanism can adapt to the relative movement (the compressible movable gap IV) between the linkage slider 24 and the sliding module 232, the sliding module 232 has a shaping station (shown in figures 2 and 9) which slides inwards to the vertical shaping wall 2321 and corresponds to the upper edge of the vertical surface of the L-shaped step 2311 and a stripping position (shown in figures 6 and 7) which slides outwards to the vertical shaping wall 2321 and is staggered with the upper edge of the vertical surface of the L-shaped step 2311, and a stripping spring 233 which drives the sliding module 232 to tend to the stripping position is arranged between the sliding module 232 and the fixed module 231. The heat setting mold adopts a sliding module and a fixed module design, the forming stepped groove adopts a two-part design, when the sheet blank is formed, the sheet blank is stopped and folded by the bearing surface at the edge part of the sheet, meanwhile, the vertical shaping wall of the sliding module which is used for pushing and pressing the sheet blank folding edge under the action of the linkage sliding block and the compression spring is correspondingly connected with the upper edge of the vertical surface of the L-shaped step part, so that the folding edge is pushed laterally to achieve reliable heat shaping, and meanwhile, the compression spring and the stripping spring store energy, after the sheet blank is heat-set, under the action of the compression spring, the stripping spring and the linkage mechanism, the linkage slide block moves and drives the slide module to quickly bounce to an initial position, then the sheet receiving table rises to a position corresponding to the position of the receiving surface at the edge of the sheet, the sheet blank is quickly separated from the forming step groove of the hot setting module, and the product is prevented from being scalded, so that the processing reliability is ensured. Under the above-mentioned structure, can guarantee that the hem is the decorative sheet machine-shaping of free end inside skew, vertical design wall 2321 is the slope setting that is extension of slant sheet material accepting table 22 one side (inboard) from lower extreme to upper end promptly. Certainly, as the utility model discloses feasible scheme, the heat setting module can be for the monolithic stationary on the die holder, perhaps adopts the slip module design in taking complete shaping step groove to cooperation linkage slider, compression spring, take off the material spring design. But the split machining of the forming step groove is realized by adopting the design of the sliding module and the fixing module which are designed in a split way, and the advantage of reliable edge folding machining of the decorative sheet is ensured.

The linkage mechanism comprises a T-shaped groove 24-1 arranged on the linkage sliding block 24, the T-shaped groove 24-1 is arranged on one side, facing the sliding module 232, of the linkage sliding block 24, the T-shaped connector 232-1 protrudes from one side, facing the linkage sliding block 24, of the sliding module 232, the T-shaped connector 232-1 is inserted into the T-shaped groove 24-1, and the T-shaped connector 232-1 and the T-shaped groove 24-1 are provided with a relative moving stroke V which is adaptive to the compressible moving gap IV along the sliding direction of the linkage sliding block 24. The linkage structure has simple structure, convenient processing and reliable linkage connection. The lower die holder is provided with a sliding guide groove, one end of the sliding guide groove is communicated with the fixed module, a limiting part for limiting the linkage sliding block is arranged on an outer port of the sliding guide groove, a bolt is arranged in the drawing, the linkage sliding block and the sliding module are assembled in the same sliding guide groove, and preferably, the T-shaped groove is formed by vertically penetrating the linkage sliding block, so that a T-shaped connector of the sliding module can be conveniently arranged in the T-shaped groove.

In order to enable the upper die and the lower die to better cooperatively act, a driving inclined plane 241 which is inclined outwards from top to bottom is arranged on the outer side of the linkage sliding block 24, and a driving plate 13 which extends downwards and is used for abutting against the driving inclined plane 241 to push the linkage sliding block 24 is arranged on the upper die base 11; and the mating surface 131 of the driving plate 13 abutting against the driving inclined surface 241 is an inclined surface. The driving plate is matched with the driving inclined plane, so that the sliding of the lower die with smaller displacement can be fully guaranteed under the condition of descending stroke of the lower die, and the die can work more reliably.

The bottom of the sheet receiving table 22 is provided with a floating support spring 22-1 which drives the sheet receiving table 22 to tend to rise to a sheet receiving station, the lower die base 21 is provided with a receiving table locking mechanism which locks the sheet receiving table 22 on the sheet flanging forming station, and the receiving table locking mechanism is locked and unlocked to be matched with the sheet receiving table 22. The sheet receiving table is supported in a floating mode through springs, the floating supporting springs provide driving force for the sheet receiving table to rise, the receiving table locking mechanism achieves keeping of the sheet receiving table on a sheet flanging forming station, therefore, the receiving table can rise in an unlocking mode on the sheet flanging forming station after an upper die rises to a specific position, if the sliding module resets to an initial position, the sheet receiving table is lifted in the unlocking mode on the sheet flanging forming station, and the decorative sheet is lifted and demoulded after forming. Certainly, the sheet bearing table can also adopt an active driving type mechanism to realize floating support of the sheet bearing table, such as an air cylinder, but the design of the floating support spring matched with the locking mechanism of the bearing table is adopted, and the sheet bearing table has the advantages of simple structure and reliable action.

The locking mechanism of the receiving table comprises a locking block 261 arranged on the lower die holder 21 in a sliding manner and a locking step opening 221 arranged on the side edge of the sheet receiving table 22, the locking block 261 is arranged on the side of the sheet receiving table 22, one end of the locking block 261 facing the sheet receiving table 22 is provided with a locking head 2611 capable of sliding into and out of the locking step opening 221, the locking block 261 is matched with a locking spring 262 driving the locking head 2611 to tend to slide into the locking step opening 221, an unlocking operation hole 2612 is arranged on the locking block 261, the locking block 261 is provided with a locking position at which the locking head 2611 is arranged in the locking step opening 221 and an unlocking position at which the locking head 2611 is withdrawn from the locking step opening 221, the sheet receiving table 22 is arranged below the locking step opening 221 and is provided with an entity part 222 which the locking head 2611 abuts to form the locking block 261 to compress the locking spring energy storage 262, an unlocking draw hook 14 is arranged on the upper die holder 11, the unlocking draw hook 14 is provided with, when the locking block 261 is in the unlocking position, the unlocking operation hole 2612 is used for the unlocking convex head 141 of the unlocking drag hook 14 to pass, and when the locking block 261 is in the locking position, the unlocking convex head 141 of the unlocking drag hook 14 is in pushing fit with the wall of the unlocking operation hole 2612 to form the effect that the locking block 261 is shifted to slide to the locking head end 2611 and slide out of the locking stepped port 221. In the process of the sheet receiving table from the sheet receiving station to the sheet folding forming station, the solid part collides with the stop of the locking head end to enable the locking spring to be in a compressed energy storage state, after the sheet receiving table reaches the sheet folding forming station, the locking block slides under the action of the locking spring, the locking head end enters the locking step opening, the sheet receiving table is locked on the sheet folding forming station, during unlocking operation, the upper die moves upwards, the unlocking raised head of the unlocking drag hook enters the unlocking operation hole and pushes the locking block to the unlocking position with the unlocking operation hole wall. The unlocking raised head is provided with a guide inclined plane, so that the unlocking raised head can smoothly push the lock block.

The shaping convex module 12 is supported on the upper die base 11 in a floating mode, and a convex module supporting spring 12-1 is arranged between the upper die base 11 and the shaping convex module 12. The sizing male die block 12 is in softer contact with and separated from the sheet receiving table, and a better clamping effect is formed on the sheets.

In order to improve the reliability of the work of the die, the upper die and the lower die are provided with water cooling channels at specific positions so as to protect the sheet, if the upper die base 11 is internally provided with the upper die water cooling channel, or/and the shaping convex die block 12 is provided with the convex die water cooling channel 122, the upper die water cooling channel and the convex die water cooling channel can be sequentially communicated, or/and the lower die base 21 is internally provided with the lower die water cooling channel 211, or/and the sheet receiving table 22 is internally provided with the receiving table water cooling channel 223, and the receiving table water cooling channel is sequentially communicated with the lower die water cooling channel. As is conventional in the art, the communication of the channels can be realized by connecting pipes (not shown in the figure), so that the operation of the die is stable and reliable, and the influence on the sheet is reduced. The cooling medium may be water, but may also be cooling oil.

The working principle of the edge folding forming die for the decorative sheet is as follows: the heat setting module is heated to the temperature required by heat setting through a heating element, the heating element is a conventional component such as an electric heating rod, a sheet receiving table is positioned at a sheet receiving station, a sheet blank is placed on the sheet receiving table, the edge of the sheet blank is placed above the edge receiving surface of the sheet, an upper die moves downwards, a setting convex module is pressed on the sheet receiving table to clamp the sheet blank to move downwards, the side edge of the sheet blank is stopped by the edge receiving surface of the sheet until the sheet receiving table enters a sheet flanging forming station, the edge of the sheet blank is heat-set through a forming step groove and the setting step of the setting convex module, the upper die moves upwards and is separated from a lower die, and the sheet blank is heat-set to form a decorative sheet with a flanging.

Claims

1. The utility model provides a decorative sheet hem moulded die, includes the last mould and the lower mould of mutually supporting, its characterized in that: the lower die comprises a lower die base, a sheet bearing table and a flanging heat setting assembly are arranged on the lower die base, the flanging heat setting assembly is arranged on the side of the sheet bearing table, the sheet bearing table is supported on the lower die base in a floating mode and can be lifted, the flanging heat setting assembly comprises a heat setting module, a heating element for heating the heat setting module is arranged on the heat setting module, a forming step groove and a sheet edge bearing surface positioned above the forming step groove are arranged on one side of the heat setting module corresponding to the sheet bearing table, the sheet bearing table is provided with a sheet bearing station which is lifted to the position corresponding to the sheet edge bearing surface and a sheet flanging forming station which is lowered to the position corresponding to the bottom of the forming step groove, the upper die comprises an upper die base and a setting convex module arranged on the upper die base, and the setting convex module is provided with a pressing surface which can be pressed on the sheet bearing table to form clamping to the sheet, the side edge of the top pressure surface of the shaping convex module is provided with a shaping step matched with the shaping step groove.

2. A decorative sheet hem forming die as claimed in claim 1, wherein: the thermal setting module comprises a fixed module and a sliding module, the sliding module is arranged on the lower die holder along the lateral linear sliding of the sheet bearing table and is arranged between the sliding module and the sheet bearing table, the fixed module is arranged on the L-shaped step part, the sliding module is provided with a vertical setting wall which can be correspondingly linked with the upper edge of the vertical surface of the L-shaped step part, the vertical setting wall and the L-shaped step part are enclosed to form a step groove, the bearing surface of the edge part of the sheet is arranged above the vertical setting wall of the sliding module, the sliding module corresponds to the sliding direction of the sliding module and is far away from the sheet bearing table, the linkage slider is arranged on the lower die holder in a sliding manner, a compression spring is arranged between the linkage slider and the sliding module, a compressible movable gap is arranged between the linkage slider and the sliding module, and the compressible movable gap is kept under the action of the compression spring between the linkage slider and the sliding module and has a movable The linkage mechanism of the relative activity stroke of compressible activity clearance adaptation, the slip module has the design station that inwards slides to vertical design wall and the vertical face top edge of L shape step portion and outwards slides to the material position of taking off of vertical design wall and the vertical face top edge dislocation of L shape step portion, is equipped with the material spring that takes off that drives the slip module and tend to take off the material position between slip module and the fixed module.

3. A decorative sheet hem forming die as claimed in claim 2, wherein: the linkage mechanism is including locating the T type groove on the linkage slider, and one side of linkage slider towards the slip module is located to T type groove, and the slip module is protruding towards linkage slider one side to have T type connector, and T type connector is inserted and is located T type inslot, and T type connector and T type groove have along linkage slider slip direction with the relative activity stroke of compressible clearance adaptation.

4. A decorative sheet hem forming die as claimed in claim 2, wherein: the vertical shaping wall is obliquely arranged from the lower end to the upper end and extends to one side of the oblique sheet receiving platform.

5. A decorative sheet hem forming die as claimed in claim 2, wherein: the outer side of the linkage sliding block is provided with a driving inclined plane which is inclined outwards from top to bottom, the upper die base is provided with a driving plate which extends downwards and is used for abutting against the driving inclined plane to push the linkage sliding block, and the abutting fitting surface of the driving plate and the driving inclined plane is an inclined plane.

6. A decorative sheet hem forming die as claimed in claim 1, wherein: the sheet material bearing table locking mechanism is matched with the sheet material bearing table in a locking and unlocking mode.

7. A decorative sheet hem forming die as claimed in claim 6, wherein: the adapting table locking mechanism comprises a locking block arranged on a lower die holder in a sliding manner and a locking step port arranged at the side edge of the sheet adapting table, the locking block is arranged at the side of the sheet adapting table, one end of the locking block, facing the sheet adapting table, is provided with a locking head end capable of sliding into and out of the locking step port, the locking block is matched with a locking spring driving the locking head end to tend to slide into the locking step port, the locking block is provided with an unlocking operation hole, the locking block is provided with a locking position enabling the locking head end to be arranged in the locking step port and an unlocking position enabling the locking head end to exit from the locking step port, the sheet adapting table is positioned below the locking step port and is provided with an entity part enabling the locking head end to be abutted to form the locking block to compress the locking spring for energy storage, the upper die holder is provided with an unlocking drag hook, the unlocking drag hook is provided with an unlocking raised head in pushing fit with, when the locking piece is located at the locking position, the unlocking raised head of the unlocking drag hook is in pushing fit with the unlocking operation hole wall to form the effect that the locking piece is stirred to slide to the locking head end and slide out of the locking step hole.

8. A decorative sheet hem forming die as claimed in claim 1, wherein: the shaping convex module is supported on the upper die base in a floating mode, and a convex module supporting spring is arranged between the upper die base and the shaping convex module.

9. A decorative sheet hem forming die as claimed in claim 1, wherein: an upper die water cooling channel is arranged in the upper die base, a lower die water cooling channel is arranged in the lower die base, a bearing platform water cooling channel is arranged in the sheet bearing platform, and the bearing platform water cooling channel is sequentially communicated with the lower die water cooling channel.

10. A decorative sheet hem forming die as claimed in claim 1, 2, 3, 4, 5, 6, 7, 8 or 9, wherein: a pair of folded edge heat setting assemblies is arranged on the lateral side of the sheet receiving table, and the two sets of heat setting assemblies are oppositely arranged on the two sides of the sheet receiving table.