CN113843349A - Crimping device and crimping method using same - Google Patents
Crimping device and crimping method using same Download PDFInfo
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- CN113843349A CN113843349A CN202010601025.2A CN202010601025A CN113843349A CN 113843349 A CN113843349 A CN 113843349A CN 202010601025 A CN202010601025 A CN 202010601025A CN 113843349 A CN113843349 A CN 113843349A
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000002788 crimping Methods 0.000 title claims description 27
- 238000007667 floating Methods 0.000 claims abstract description 105
- 238000003825 pressing Methods 0.000 claims description 45
- 238000005452 bending Methods 0.000 claims description 32
- 239000000758 substrate Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 7
- 238000005096 rolling process Methods 0.000 claims 18
- 239000012634 fragment Substances 0.000 claims 2
- 238000004891 communication Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
- B21D5/0209—Tools therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/16—Folding; Pleating
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
Abstract
The invention provides a folding device which is used for folding an elastic sheet, and comprises a first folding module, a second folding module, a third folding module and a telescopic module, wherein the first folding module, the second folding module and the third folding module sequentially fold the elastic sheet, the second folding module comprises a second floating block and a second folding block, the two second folding blocks are movably arranged on two sides of the second floating block, the telescopic module comprises a first folding bridge and a second folding bridge, the cross sections of the first folding bridge and the second folding bridge are trapezoidal, the base angle of the cross section of the first folding bridge is larger than that of the cross section of the second folding bridge, and the first folding bridge or the second folding bridge is arranged on one side of the second floating block in a telescopic manner. The invention also provides a folding method using the folding device.
Description
Technical Field
The application relates to the field of mold processing, in particular to a crimping device and a crimping method using the same.
Background
In the traditional double-sided folding process of the elastic sheet, the elastic sheet needs to be bent at a large angle of 180 degrees, and no gap is formed in the middle of the elastic sheet to form and press an inlet block, so that the forming process has high requirements on a die, the manufacturing process is difficult, the folding effect is poor, and the streamlined operation is complex.
How to solve the above problems and provide a double-sided seamless folding technology is considered by those skilled in the art.
Disclosure of Invention
In view of the above, the present invention provides a folding device and a folding method using the same.
The invention provides a folding device which is used for folding an elastic sheet, and comprises a first folding module, a second folding module, a third folding module and a telescopic module, wherein the first folding module, the second folding module and the third folding module sequentially fold the elastic sheet, the second folding module comprises a second floating block and a second folding block, the two second folding blocks are movably arranged on two sides of the second floating block, the telescopic module comprises a first folding bridge and a second folding bridge, the cross sections of the first folding bridge and the second folding bridge are trapezoidal, the base angle of the cross section of the first folding bridge is larger than that of the cross section of the second folding bridge, and the first folding bridge or the second folding bridge is arranged on one side of the second floating block in a telescopic manner.
In an embodiment, the folding device further includes a substrate, the first folding module, the second folding module and the third folding module are sequentially disposed on one side of the substrate at intervals, the number of the second folding modules is two, the first folding bridge and the second folding bridge are respectively disposed corresponding to one of the second folding modules, the second folding module disposed corresponding to the first folding bridge is adjacent to the first folding module, and the second folding module disposed corresponding to the second folding bridge is adjacent to the third folding module.
In an embodiment, the length of the bottom edge of the first folded bridge is greater than the width of the surface of the second floating block opposite to the first folded bridge, and the length of the bottom edge of the second folded bridge is greater than the width of the surface of the second floating block opposite to the second folded bridge.
In an embodiment, the telescopic module further includes a bottom plate, a bridge fixing block, a bridge guide block and a driving unit, the driving unit is connected to the bridge fixing block, the bridge fixing block is fixedly connected to the first folded bridge and the second folded bridge, the first folded bridge and the second folded bridge are arranged at an interval, at least a portion of the first folded bridge and the second folded bridge penetrates through the bridge guide block, and the driving unit pushes the first folded bridge and the second folded bridge to be telescopic.
In an embodiment, the first folding module includes a first floating block, a first bending block and a first entering block, the first entering block and the first floating block are disposed opposite to each other, the two first bending blocks are disposed on two sides of the first floating block, and the first floating block, the first bending block and the first entering block are movably fastened.
In an embodiment, the third folding module includes a third floating block, a leveling slider, a leaning knife and a slotting knife, the two leveling sliders are disposed on two sides of the third floating block, the leaning knife is disposed on one side of the leveling slider away from the third floating block, a first gap exists between the leveling slider and the leaning knife, and the slotting knife is movably disposed between the first gap to push the leveling slider to move or keep away from the third floating block.
In an embodiment, the third folding module further includes a suction hole and a suction unit, the third floating block includes a first surface, at least a portion of the elastic piece is disposed on the first surface, the suction hole penetrates through the first surface, the suction holes are disposed at intervals, and the suction unit is connected to the suction hole.
The invention also provides a folding method using the folding device, which comprises the following steps:
providing an elastic sheet, wherein the elastic sheet comprises a bottom surface, a first side surface and a second side surface, the first side surface and the second side surface are arranged on two sides of the bottom surface and are connected with the bottom surface, the first side surface, the second side surface and the bottom surface are positioned on the same plane in an initial state, the bottom surface is arranged on the surface of the first floating block, and the first inlet block and the first floating block are arranged on two sides of the bottom surface, which are opposite to each other;
the first entering block moves towards the first floating block to clamp the bottom surface, and the two first bending blocks move towards the direction of the first entering block compared with the first floating block to perform first pressing and folding on the elastic sheet;
transferring the elastic sheet after the first pressing and folding to the second pressing and folding module to enable the bottom surface to be arranged on the surface of the second floating block, then driving the first pressing and folding bridge to extend out by the driving unit to enable the bottom surface to be clamped by the second floating block and the first pressing and folding bridge, and enabling the second bending block to move towards the direction of the first pressing and folding bridge compared with the second floating block to press and fold the elastic sheet for the second time;
transferring the elastic sheet after the second pressing and folding to another second pressing and folding module to enable the bottom surface to be arranged on the surface of the second floating block, then driving the second pressing and folding bridge to extend out by the driving unit to enable the bottom surface to be clamped by the second floating block and the second pressing and folding bridge, and enabling the second bending block to move towards the second pressing and folding bridge compared with the second floating block to press and fold the elastic sheet for the third time; and
and transferring the shrapnel after the third folding to a third folding module to enable the bottom surface to be arranged on the surface of the third floating block, enabling the two pushing sliding blocks to move towards the third floating block from two sides of the third floating block and cover at least part of the first surface, and performing fourth folding on the shrapnel.
In an embodiment, after the first folding is completed, the first entering block moves towards the direction away from the first floating block, and the first bending block moves towards the direction away from the first entering block, so that the elastic sheet is separated from the first floating block;
after the second folding is finished, the driving unit drives the bridge fixing block to move towards the direction far away from the bridge guide block, so that the first folding bridge is separated from the second folding module; and
after the third pressing and folding is completed, the driving unit drives the bridge fixing block to move towards the direction far away from the bridge guide block, so that the second pressing and folding bridge is separated from the second pressing and folding module.
In an embodiment, the carrier tape includes a material tape, the material tape includes a plurality of elastic sheet sets arranged at intervals, each elastic sheet set includes a plurality of elastic sheets, the plurality of elastic sheet sets respectively perform a first folding, a second folding, a third folding and a fourth folding at the same time, and the driving unit drives the bridge fixing block to move toward the direction of the bridge guide block, so that the first folding bridge and the second folding bridge are simultaneously matched with the second folding module.
Compared with the prior art, the folding device can sequentially and respectively fold the elastic sheet through the first folding module, the second folding module and the third folding module which are different in structure, and finally realize 180-degree large-angle bending of the side surface of the elastic sheet, and the mass production of folding the elastic sheet can be realized by depending on the folding device.
Drawings
Fig. 1 is a schematic perspective view of a folding device according to an embodiment of the present invention.
Fig. 2 is a partial schematic view of a folding device according to an embodiment of the present invention.
Fig. 3 is a schematic cross-sectional view of a first crimping module according to an embodiment of the invention.
Fig. 4 is a schematic cross-sectional view of a fourth crimping module according to an embodiment of the invention.
Fig. 5 is a schematic cross-sectional view illustrating the second folding module and the first folding bridge according to an embodiment of the present invention.
Fig. 6 is a schematic cross-sectional view of a second folding module and a second folding bridge according to an embodiment of the invention.
Fig. 7 is a schematic cross-sectional view of a third crimping module according to an embodiment of the invention.
Description of the main elements
First floating block 111
Second floating block 121
Third floating block 131
Push flat slider 132
Limiting groove 1321
By knife 134
Fourth floating block 141
First folded bridge 151
Second folded bridge 152
Strip of material 18
The following detailed description will further illustrate the invention in conjunction with the above-described figures.
Detailed Description
In order to make the present disclosure more complete and complete, reference may be made to the accompanying drawings, in which like references indicate similar or analogous elements, and to the various embodiments of the invention described below. However, it will be understood by those of ordinary skill in the art that the examples provided below are not intended to limit the scope of the present invention. Furthermore, the drawings are for illustrative purposes only and are not drawn to scale in accordance with actual dimensions thereof.
Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Furthermore, unless otherwise defined herein, terms such as those defined in commonly used dictionaries should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and the present invention, and will not be interpreted in an idealized or overly formal sense.
The following description of exemplary embodiments refers to the accompanying drawings. It should be noted that the components depicted in the referenced drawings are not necessarily shown to scale; and the same or similar components will be given the same or similar reference numerals or similar terms.
First embodiment
As shown in fig. 1 to 7, the present invention provides a folding device 10, wherein the folding device 10 is used for folding an elastic sheet 190. The folding device 10 includes a first folding module 11, a second folding module 12, a third folding module 13 and a telescopic module 15, wherein the first folding module 11, the second folding module 12 and the third folding module 13 sequentially fold the elastic sheet 190. The folding device further comprises a substrate 16, and the first folding module 11, the second folding module 12 and the third folding module 13 are sequentially arranged on one side of the substrate 16 at intervals.
The elastic sheet 190 includes a bottom surface 191, a first side surface 192 and a second side surface 193, the first side surface 192 and the second side surface 193 are disposed on two sides of the bottom surface 191 and connected to the bottom surface 191, and in an initial state, the first side surface 192, the second side surface 193 and the bottom surface 191 are located on the same plane.
The first folding module 11 includes a first floating block 111, a first bending block 112 and a first inserting block 113, the first inserting block 113 is opposite to the first floating block 111, the two first bending blocks 112 are arranged on two sides of the first floating block 111, and the first floating block 111, the first bending block 112 and the first inserting block 113 are movably buckled.
In an embodiment, the folding device 10 further includes a fourth folding module 14, the fourth folding module 14 is disposed between the first folding module 11 and the second folding module 12, the fourth folding module 14 includes a fourth floating block 141, a fourth bending block 142 and a fourth entering block 143, the two fourth bending blocks 142 are disposed on two sides of the fourth floating block 141, the first floating block 111, the fourth bending block 142 and the fourth entering block 143 are movably fastened, in the fastened state, an included angle between an intersection line between the first entering block 113 and the first bending block 112 and a plane where the first floating block 111 is located may be 45 °, and an included angle between an intersection line between the fourth entering block 143 and the fourth bending block 142 and a plane where the fourth floating block 141 is located may be 90 °; that is, after the elastic sheet 190 is folded by the first folding module 11, the first side surface 192 and the second side surface 193 have a 45 ° folding angle with the bottom surface 191, and then the fourth folding module 14 folds the elastic sheet 190 again so that the first side surface 192 and the second side surface 193 have a 90 ° folding angle with the bottom surface 191.
In other embodiments, other folding modules having the same structure as the first folding module 11 and the fourth folding module 14 and having different folding angles only in the insert may be further included, and the plurality of folding modules cooperate to fold the elastic sheet 190 multiple times to obtain a desired folding angle.
In one embodiment, the length of the bottom edge of the first folded bridge 151 is greater than the width of the surface of the second floating block 121 opposite to the first folded bridge 151, and the length of the bottom edge of the second folded bridge 152 is greater than the width of the surface of the second floating block 121 opposite to the second folded bridge 152.
The second folding module 12 includes a second floating block 121 and a second bending block 122, and the two second bending blocks 122 are movably disposed on two sides of the second floating block 121. The telescopic module 15 includes a first folded bridge 151 and a second folded bridge 152, the cross section of the first folded bridge 151 and the second folded bridge 152 is trapezoidal, the base angle of the cross section of the first folded bridge 151 is greater than that of the second folded bridge 152, and the first folded bridge 151 or the second folded bridge 152 is telescopically arranged on one side of the second floating block 121.
In an embodiment, the number of the second folding modules 12 is two, the first folding bridge 151 and the second folding bridge 152 are respectively disposed corresponding to one second folding module 12, the second folding module 12 disposed corresponding to the first folding bridge 151 is adjacent to the first folding module 11 or the fourth folding module 14, and the second folding module 12 disposed corresponding to the second folding bridge 152 is adjacent to the third folding module 13.
In one embodiment, the cross-sectional shapes of the first folded bridge 151 and the second folded bridge 152 are isosceles trapezoids, the base angle of the interface of the first folded bridge 151 is 60 °, and the base angle of the second folded bridge 152 is 45 °. In other embodiments, the telescopic module 15 may further include a plurality of folded bridges, the interfaces of the plurality of folded bridges are all trapezoidal, and the plurality of folded bridges are arranged in parallel.
The third folding module 13 includes a third floating block 131, a pushing slider 132, two pushing sliders 132 disposed on two sides of the third floating block 131, two pushing sliders 134 disposed on one side of the pushing slider 132 away from the third floating block 131, a first gap 138 between the pushing slider 132 and the pushing sliders 134, and a pushing slider 135 movably disposed between the first gap 138 to push the pushing slider 132 to move or move away from the third floating block 131. The third floating block 131 includes a first surface 1311, at least a portion of the elastic sheet 190 is disposed on the first surface 1311, the suction holes 136 penetrate the first surface 1311, the suction holes 136 are disposed at intervals, and the suction unit 137 is connected to the suction holes 136 to perform suction, so that the elastic sheet 190 is fixed to the first surface 1311.
In an embodiment, a groove 1322 is disposed on a side of the leveling slider 132 away from the third floating block 131, a side of the groove 1322 close to the substrate 16 is smaller than a side of the groove 1322 away from the substrate 16, and a shape of the groove 1322 matches with a shape of a tool bit of the slotting cutter 135, so that the leveling slider 132 is pressed during a downward pressing process of the slotting cutter 135, and the leveling slider 13 is further pressed to level the elastic sheet 190 disposed on the first surface 1311. At least a portion of the leveling slider 132 close to the third floating block 131 is a convex acute angle structure, so that during the process of pressing the leveling slider 132 by the slotting tool 135, the leveling slider 132 can be pressed toward the spring piece 190 from the boundary of the first surface 1311 of the third floating block 131, the leveling slider 132 includes a limiting groove 1321, and the limiting groove 1321 can be engaged with the boundary of the first surface 1311 to limit the leveling slider 132.
The telescopic module 15 further comprises a bottom plate 153, a bridge fixing block 154, a bridge guide block 155 and a driving unit 156, one end of the driving unit 156 is connected with the bridge fixing block 154, the bridge fixing block 154 is fixedly connected with a first folding bridge 151 and a second folding bridge 152, the first folding bridge 151 and the second folding bridge 152 are arranged at intervals, at least part of the first folding bridge 151 and the second folding bridge 152 penetrates through the bridge guide block 155 to limit the telescopic direction, and the driving unit 156 pushes the first folding bridge 151 and the second folding bridge 152 to stretch. In an embodiment, the driving unit 156 may be a cylinder driving unit, and the first folding bridge 151 and the second folding bridge 152 are pushed to stretch by the compression of a cylinder, and the stretching amount may be less than 100mm, and specifically may be 98 mm.
The folding device 10 may further include an upper cover 17, the upper cover 17 is disposed opposite to the substrate 16, the first insert block 113, the fourth insert block 143, and the slotting tool 135 may be connected to the upper cover 17, the first insert block 113 and the first floating block 111 may be separated and combined by raising or lowering the upper cover 17, the fourth insert block 143 and the fourth floating block 141 may be separated and combined by raising or lowering the upper cover 17, and the slotting tool 135 may be separated and combined with the knife rest 134 and the push flat slider 132 by raising or lowering the upper cover 17.
The present invention also provides a crimping method using the crimping apparatus 10, comprising the steps of:
step S1: the bottom surface 191 of the elastic sheet 190 is disposed on the surface of the first floating block 111, so that the first entering block 113 moves toward the first floating block 111 to clamp the bottom surface 191, and the two first bending blocks 112 move toward the first entering block 113 in comparison with the first floating block 111 to perform a first pressing and folding operation on the elastic sheet 190.
In one embodiment, after the first folding, the elastic sheet 190 is further folded again by the fourth folding module 14.
In an embodiment, the material belt 18 includes a material belt 18, the material belt 18 includes a plurality of elastic sheet sets 19 arranged at intervals, each elastic sheet set 19 includes a plurality of elastic sheets 190, and at least one elastic sheet 190 is disposed on each of the first folding module 11, the second folding module 12, the third folding module 13, and the fourth folding module 14.
In an embodiment, after the first pressing and folding is completed, the first entering block 113 moves towards the direction away from the first floating block 111, and the first bending block 112 moves towards the direction away from the first entering block 113, so that the elastic sheet 190 is separated from the first floating block 111.
Step S2: the elastic sheet 190 after being folded for the first time is transferred to the second folding module 12, so that the bottom surface 191 is disposed on the surface of the second floating block 121, and then the driving unit 156 drives the first folding bridge 151 to extend out, so that the bottom surface 191 is clamped by the second floating block 121 and the first folding bridge 151, and the second folding block 122 moves towards the first folding bridge 151 in a direction opposite to the second floating block 121 to fold the elastic sheet 190 for the second time.
In one embodiment, after the second folding, the driving unit 156 drives the axle fixing block 154 to move in a direction away from the axle guide block 155, so that the first folding axle 151 is separated from the second folding module 12, and the elastic piece 190 is separated from the second floating block 121.
Step S3: the second folded elastic sheet 190 is transferred to another second folding module 12, so that the bottom surface 191 is disposed on the surface of the second floating block 121, and then the driving unit 156 drives the second folding bridge 152 to extend out, so that the bottom surface 191 is clamped by the second floating block 121 and the second folding bridge 152, and the second folding block 122 moves towards the second folding bridge 152 in a direction opposite to the second floating block 121 to fold the elastic sheet 190 for the third time.
In an embodiment, after the third folding is completed, the driving unit 156 drives the axle fixing block 154 to move in a direction away from the axle guide block 155, so that the second folding axle 152 is separated from the second folding module 12, and the elastic piece 190 is separated from the second floating block 121.
Step S4: the third folded elastic sheet 190 is transferred to the third folding module 13, so that the bottom surface 191 is disposed on the surface of the third floating block 131, the two leveling sliders 132 move from the two sides of the third floating block 131 toward the third floating block 131 and cover at least a portion of the first surface 1311, and the elastic sheet 190 is folded for the fourth time.
In an embodiment, the plurality of elastic sheet sets 19 respectively and simultaneously perform a first pressing and folding, a second pressing and folding, a third pressing and folding, and a fourth pressing and folding, the driving unit 156 drives the axle fixing block 154 to move toward the axle guiding block 155, so that the first pressing and folding bridge 151 and the second pressing and folding bridge 152 are simultaneously matched with the second pressing and folding module 12 to realize the pressing and folding of the elastic sheet set 19, and at the same time, the upper cover 17 is separated from or fastened to the substrate 16, so that the first entering block 113, the fourth entering block 143, and the inserting knife 135 are respectively matched with the first pressing and folding module 11, the fourth pressing and folding module 14, and the third pressing and folding module 13 to realize the pressing and folding of the elastic sheet set 19.
Although the present invention has been described with reference to the above preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides a device of rolling over, the device of rolling over is used for a shell fragment of rolling over, a serial communication port, the device of rolling over includes first module of rolling over, second module of rolling over, third module of rolling over and flexible module, first module of rolling over, second module of rolling over and third module of rolling over in proper order the shell fragment, the second module of rolling over includes second floating block and second bending block, two the second bending block mobilizable set up in second floating block both sides, flexible module includes first bridge of rolling over and second bridge of rolling over, first bridge of rolling over and the second bridge of rolling over cross section is trapezoidal, the base angle of the cross section of first bridge of rolling over is greater than the base angle of the cross section of second bridge of rolling over, first bridge of rolling over or the telescopic set up in second floating block one side of the second.
2. The folding device according to claim 1, further comprising a substrate, wherein the first folding module, the second folding module and the third folding module are sequentially disposed at an interval on one side of the substrate, the number of the second folding modules is two, the first folding bridge and the second folding bridge are respectively disposed corresponding to one of the second folding modules, the second folding module disposed corresponding to the first folding bridge is adjacent to the first folding module, and the second folding module disposed corresponding to the second folding bridge is adjacent to the third folding module.
3. The crimping device of claim 1, wherein the length of the bottom edge of said first crimping bridge is greater than the width of the face of said second floating block facing said first crimping bridge, and the length of the bottom edge of said second crimping bridge is greater than the width of the face of said second floating block facing said second crimping bridge.
4. The folding device according to claim 1, wherein the telescopic module further comprises a bottom plate, a bridge fixing block, a bridge guide block, and a driving unit, the driving unit is connected to the bridge fixing block, the bridge fixing block is fixedly connected to the first folding bridge and the second folding bridge, the first folding bridge and the second folding bridge are spaced apart from each other, at least a portion of the first folding bridge and the second folding bridge extends through the bridge guide block, and the driving unit pushes the first folding bridge and the second folding bridge to extend and retract.
5. The crimping device according to claim 4, wherein the first crimping module comprises a first floating block, a first bending block and a first entering block, the first entering block is disposed opposite to the first floating block, two first bending blocks are disposed on two sides of the first floating block, and the first floating block, the first bending block and the first entering block are movably fastened.
6. The folding device according to claim 5, wherein said third folding module comprises a third floating block, two pushing blocks, a knife and a knife, said two pushing blocks are disposed on two sides of said third floating block, said knife is disposed on one side of said pushing block away from said third floating block, a first gap exists between said pushing blocks and said knife, said knife is movably disposed between said first gap to push said pushing blocks to move towards or away from said third floating block.
7. The folding device according to claim 6, wherein said third folding module further comprises a suction hole and a suction unit, said third floating block comprises a first surface, said first surface is used for bearing at least a portion of said elastic sheet, said suction hole penetrates said first surface, a plurality of said suction holes are arranged at intervals, and said suction unit is connected to said suction hole.
8. A crimping method using the crimping device according to claim 7, characterized by comprising the steps of:
providing an elastic sheet, wherein the elastic sheet comprises a bottom surface, a first side surface and a second side surface, the first side surface and the second side surface are arranged on two sides of the bottom surface and are connected with the bottom surface, the first side surface, the second side surface and the bottom surface are positioned on the same plane in an initial state, the bottom surface is arranged on the surface of the first floating block, and the first inlet block and the first floating block are arranged on two sides of the bottom surface, which are opposite to each other;
the first entering block moves towards the first floating block to clamp the bottom surface, and the two first bending blocks move towards the direction of the first entering block compared with the first floating block to perform first pressing and folding on the elastic sheet;
transferring the elastic sheet after the first pressing and folding to the second pressing and folding module to enable the bottom surface to be arranged on the surface of the second floating block, then driving the first pressing and folding bridge to extend out by the driving unit to enable the bottom surface to be clamped by the second floating block and the first pressing and folding bridge, and enabling the second bending block to move towards the direction of the first pressing and folding bridge compared with the second floating block to press and fold the elastic sheet for the second time;
transferring the elastic sheet after the second pressing and folding to another second pressing and folding module to enable the bottom surface to be arranged on the surface of the second floating block, then driving the second pressing and folding bridge to extend out by the driving unit to enable the bottom surface to be clamped by the second floating block and the second pressing and folding bridge, and enabling the second bending block to move towards the second pressing and folding bridge compared with the second floating block to press and fold the elastic sheet for the third time; and
and transferring the shrapnel after the third folding to a third folding module to enable the bottom surface to be arranged on the surface of the third floating block, enabling the two pushing sliding blocks to move towards the third floating block from two sides of the third floating block and cover at least part of the first surface, and performing fourth folding on the shrapnel.
9. The method of crimping according to claim 8, wherein:
after the first pressing and folding is finished, the first entering block moves towards the direction far away from the first floating block, and the first bending block moves towards the direction far away from the first entering block, so that the elastic sheet is separated from the first floating block;
after the second folding is finished, the driving unit drives the bridge fixing block to move towards the direction far away from the bridge guide block, so that the first folding bridge is separated from the second folding module; and
after the third pressing and folding is completed, the driving unit drives the bridge fixing block to move towards the direction far away from the bridge guide block, so that the second pressing and folding bridge is separated from the second pressing and folding module.
10. The method of crimping according to claim 9, wherein: the material belt comprises a plurality of elastic sheet groups arranged at intervals, each elastic sheet group comprises a plurality of elastic sheets, the plurality of elastic sheet groups execute primary folding, secondary folding, tertiary folding and quaternary folding simultaneously respectively, and the driving unit drives the bridge fixing block to move towards the direction of the bridge guide block, so that the first folding bridge and the second folding bridge are matched with the second folding module simultaneously.
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