CN109605835B - Embossing machine and embossing processing method - Google Patents
Embossing machine and embossing processing method Download PDFInfo
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- CN109605835B CN109605835B CN201811567707.5A CN201811567707A CN109605835B CN 109605835 B CN109605835 B CN 109605835B CN 201811567707 A CN201811567707 A CN 201811567707A CN 109605835 B CN109605835 B CN 109605835B
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- 238000004049 embossing Methods 0.000 title claims abstract description 58
- 238000003672 processing method Methods 0.000 title abstract description 7
- 238000003825 pressing Methods 0.000 claims abstract description 246
- 239000002994 raw material Substances 0.000 claims abstract description 139
- 230000007246 mechanism Effects 0.000 claims abstract description 109
- 238000007599 discharging Methods 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 10
- 230000008569 process Effects 0.000 claims abstract description 10
- 230000007704 transition Effects 0.000 claims description 36
- 230000008859 change Effects 0.000 claims description 6
- 238000003475 lamination Methods 0.000 claims description 4
- 230000005484 gravity Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 description 125
- 230000000694 effects Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 3
- 230000003993 interaction Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 230000000754 repressing effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
- B31F1/07—Embossing, i.e. producing impressions formed by locally deep-drawing, e.g. using rolls provided with complementary profiles
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- Mechanical Engineering (AREA)
- Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Abstract
The invention discloses an embossing machine and an embossing processing method, wherein the embossing machine comprises an absorbing mechanism, a rotating mechanism and a flat pressing mechanism, wherein the flat pressing mechanism and the absorbing mechanism are arranged on the outer side of the rotating mechanism, a clamping device is arranged on the rotating mechanism and used for clamping paper sheet raw materials, the clamping device is provided with a plurality of clamping groups, the clamping groups are annularly and uniformly distributed by a rotating shaft of the rotating mechanism, and each clamping group corresponds to the absorbing mechanism, the flat pressing mechanism and a discharging roller path respectively; according to the invention, through the arrangement of the flat pressing mechanism, the flat pressing surface is gradually contacted with the paper sheet raw material along one direction, the previously contacted part is used as a fixed point to ensure the integral stability of the flat pressing process of the flat pressing surface and the paper sheet raw material, and meanwhile, the gradual contact flat pressing can avoid the conditions of incomplete grain patterns or deformed patterns and the like caused by the unevenness of the paper sheet raw material.
Description
Technical Field
The invention relates to the field of embossing processing equipment, in particular to an embossing machine and an embossing processing method.
Background
The paper embosser is also known as a paper embosser and is special equipment for finely processing the surface of paper; it is suitable for various packages, trademarks, invitation cards, business cards, book covers and various papers.
The existing paper embossing machine is generally divided into a roller type embossing machine and a flat plate type embossing machine, the roller type embossing machine generally presses grains of simple repetitive patterns, the efficiency is high, the automation degree is higher, but the paper roll is embossed in batches, and embossing paper with required shapes, such as paper cup raw materials and the like, is generally cut after being embossed in batches, so that the waste of the raw materials is easily caused.
The flat plate type embosser can perform targeted embossing processing according to the shape of an embossing paper piece and the shape of an embossing pattern, but generally needs manual paper alignment processing, and has low automation degree and low efficiency.
In view of the above-mentioned drawbacks, the inventors of the present invention have finally obtained the present invention through a long period of research and practice.
Disclosure of Invention
In order to solve the technical defects, the invention adopts the technical scheme that the embossing machine comprises a suction mechanism, a rotating mechanism and a flat pressing mechanism, the flat pressing mechanism and the suction mechanism are both arranged at the outer side of the rotating mechanism, a clamping device is arranged on the rotating mechanism and used for clamping paper sheet raw materials, the clamping device is provided with a plurality of clamping groups which are distributed annularly and uniformly by a rotating shaft of the rotating mechanism, each clamping group respectively corresponds to the suction mechanism, the flat pressing mechanism and the discharging roller path, a single sheet of said paper stock is taken out of the stock stack by said suction means and secured in a respective said clamping group, through the rotation of the rotating mechanism, the rotating mechanism drives the paper sheet raw material to pass through the flat pressing mechanism and finally stay at the position of the discharging roller path, and the paper sheet subjected to embossing is conveyed out through the discharging roller path;
the flat pressing mechanism comprises a flat pressing upper die and a flat pressing lower die, and the flat pressing upper die and the flat pressing lower die are connected through a flat pressing lifting device; the flat pressing upper die comprises an upper die base and a flat pressing block; the upper die base is provided with the concora crush groove, concora crush block sets up concora crush inslot, concora crush block with be provided with the deformation piece between the concora crush groove bottom, the upper and lower both ends of deformation piece respectively with concora crush groove bottom with concora crush block fixed connection.
Preferably, the cross section of the deformation block is rectangular, an air cavity is arranged in the deformation block, the air cavity is sealed, the air cavity is filled with air, the air cavity is provided with a long end and a short end, the thickness of the long end is larger than that of the short end, and the thickness of the air cavity is gradually reduced from the long end to the short end.
Preferably, the end part of the flat pressing block is provided with a long hole; the flat pressing groove is provided with a connecting shaft corresponding to the long hole, and the connecting shaft penetrates through the long hole to realize movable connection between the flat pressing block and the upper die base.
Preferably, the end part of the flat pressing block is also provided with a lap joint part; the lap joint part is provided with a strip-shaped plate extending from the end face of the flat pressing block, the side wall of the flat pressing groove is provided with a limiting groove corresponding to the lap joint part, the lap joint part is arranged in the limiting groove and can move in the limiting groove along with the state change of the flat pressing block.
Preferably, the lower end face of the flat pressing block is provided with a flat pressing surface and a transition surface, the flat pressing surface is arranged by matching with the shape of the paper sheet raw material, the transition surface is arranged at the edge of the flat pressing surface, an included angle is formed between the flat pressing surface and the transition surface, and when the flat pressing block is in a non-working state, the transition surface is in a horizontal state; when the flat pressing block is in a working state and the flat pressing surface is attached to the paper sheet raw material, the flat pressing surface is in a horizontal state.
Preferably, the included angle α between the flat pressing surface and the transition surface is calculated as follows;
wherein a is the thickness of the short end of the air cavity; b is the thickness of the long end of the air cavity; c is the width of the air cavity; f is a pressure value applied by the flat pressing lifting device; g is the gravity of the flat pressing plate.
Preferably, the flat pressing lower die comprises a bottom die, a fixing module and a lower die base, the fixing module is arranged on the lower die base, and the lower die base is connected with the upper die base through the flat pressing lifting device; the lower die holder is provided with a fixing groove, the bottom die can be placed in the fixing groove, and the horizontal position of the bottom die is fixed through the fixing groove.
Preferably, the fixing module comprises a pressing assembly and a positioning assembly, the pressing assembly is arranged on two sides of the fixing groove, the positioning assembly is correspondingly arranged in the pressing assembly, the pressing assembly comprises a guide rail group and pressing blocks which are arranged on the guide rail group and movably connected with the guide rails at the same time, the pressing blocks are symmetrically arranged on two sides of the fixing groove, the pressing blocks are connected with a pressing cylinder, and the pressing cylinder drives the pressing blocks to move between the guide rail groups.
Preferably, the positioning assembly is arranged on the bottom die, the positioning assembly is provided with two positioning edges, the positioning edges are correspondingly arranged, the positioning edges are profiling edges arranged at two edges of the paper scrap raw material on the bottom die, one of the positioning edges is attached to the edges of the paper scrap raw material, the other positioning edge is provided with a transition area between the paper scrap raw material and the positioning edge, and the transition area is correspondingly arranged with the transition surface.
Preferably, an embossing processing method using the embossing machine includes the steps of;
s1, the suction mechanism takes out single paper sheet raw material from the raw material lamination and fixes the single paper sheet raw material on the clamping device;
s2, the paper sheet raw material is placed on the flat pressing mechanism by the clamping device through the position rotation of the rotating mechanism; the flat pressing mechanism carries out embossing operation on the paper sheet raw material;
s3; the paper sheet raw materials are taken out of the flat pressing mechanism by the clamping device, rotated and stopped at the position of the discharging roller path through the position of the rotating mechanism, and the paper sheet products which are embossed are transported out by the discharging roller path.
Compared with the prior art, the invention has the beneficial effects that: the paper sheet embossing device has the advantages that through the arrangement of the rolling mechanism, the rolling block is attached to the paper sheet raw material and sufficient pressure is further provided so that the rolling block can roll and emboss the paper sheet raw material under the combined motion of horizontal movement and rolling; 2, the flat pressing surface and the paper sheet raw material are gradually contacted along one direction through the arrangement of the flat pressing mechanism, the part which is contacted firstly is used as a fixed point to ensure the integral stability of the flat pressing process of the flat pressing surface and the paper sheet raw material, and meanwhile, the conditions of incomplete grain patterns or deformed patterns and the like caused by the unevenness of the paper sheet raw material can be avoided through the gradual contact flat pressing.
Drawings
FIG. 1 is a structural view of an embosser according to the present invention;
FIG. 2 is a structural view of the ball joint;
FIG. 3 is a three-configuration view of an embodiment of the rolling mechanism;
FIG. 4 is a four-structure view of an embodiment of the rolling mechanism;
FIG. 5 is a structural view of a rolling lower die according to a fourth embodiment;
FIG. 6 is a structural view of the platen mechanism in a non-operating state;
FIG. 7 is a structural view of the platen mechanism in an operating state;
fig. 8 is a structural view of the flat-pressing lower die.
The figures in the drawings represent:
1-a suction mechanism; 2-a rotating mechanism; 3-rolling mechanism; 4-a flat pressing mechanism; 5-a discharging roller path; 6-paper sheet raw material; 21-a clamping group; 31-rolling an upper die; 32-rolling a lower die; 41-flat pressing the upper die; 42-flat pressing the lower die; 71-bottom die; 72-a stationary module; 73-a lower die holder; 74-guide rail set; 75-a compact; 76-a positioning block; 77-positioning the edge; 78-a transition zone; 311-rolling plates; 312-linkage group; 313-rolling the block; 314-a roller; 315-a holder; 316-a slide rail; 317-ball connection; 318-setting seat; 319-mounting groove; 320-an active slot; 321-a rack of rollers; 322-a roller gear; 323-a stopper; 324-a slide plate; 325-seat body; 326-sphere; 327-a stop block; 411-upper die holder; 412-flat pressing block; 413-a deformation block; 414-air cavity; 415-a slot; 416-a lap joint; 417-coupling shaft; 418-limit groove; 419-flattening surface; 420-transition surface.
Detailed Description
The above and further features and advantages of the present invention are described in more detail below with reference to the accompanying drawings.
As shown in fig. 1, fig. 1 is a structural view of an embosser according to the present invention; the embossing machine comprises an absorbing mechanism 1, a rotating mechanism 2, a rolling mechanism 3 and a flat pressing mechanism 4, wherein the rolling mechanism 3, the flat pressing mechanism 4 and the absorbing mechanism 1 are all arranged on the outer side of the rotating mechanism 2, a clamping device is arranged on the rotating mechanism 2 and used for clamping paper sheet raw materials 6, generally, the clamping device is provided with 4 clamping groups 21, the clamping groups 21 are annularly and uniformly distributed on a rotating shaft of the rotating mechanism 2, the 4 clamping groups 21 respectively correspond to the absorbing mechanism 1, the rolling mechanism 3, the flat pressing mechanism 4 and a discharging roller path 5, single paper sheet raw materials 6 are taken out from a raw material lamination through the absorbing mechanism 1 and are fixed on the corresponding clamping groups 21, and the rotating mechanism 2 drives the paper sheet raw materials 6 to respectively pass through the rolling mechanism 3 and the flat pressing mechanism 4 through the rotating mechanism 2, The flat pressing mechanism 4 finally stays at the position of the discharging roller path 5, and the paper sheet which is subjected to embossing is conveyed out by the discharging roller path 5, so that the paper sheet raw material 6 is finally subjected to embossing operation.
Example two
The rolling mechanism 3 comprises an upper rolling die 31 and a lower rolling die 32, and the upper rolling die 31 and the lower rolling die 32 are connected through a rolling lifting device; when the paper sheet raw material 6 is on the lower rolling die 32, the distance between the upper rolling die 31 and the lower rolling die 32 is controlled by the lifting rolling device, and the upper rolling die 31 and the lower rolling die 32 are used for embossing the paper sheet raw material 6.
Preferably, the upper rolling die 31 comprises a rolling plate 311, a linkage group 312 and a rolling block 313; the rolling plates 311 are connected with the rolling lifting device, the linkage group 312 is arranged on the lower end face of the rolling plates 311, the rolling block 313 is connected with the linkage group 312, and the linkage group 312 can drive the rolling block 313 to roll or swing.
Preferably, the linkage group 312 includes a fixed guide and a movable guide which are correspondingly arranged, the rolling press block 313 is provided with a rolling shaft 314 at an axial position, two ends of the rolling shaft 314 are respectively arranged on the fixed guide and the movable guide, and the fixed guide includes a fixed seat 315, a sliding rail 316 and a ball connecting portion 317; the fixing seat 315 is fixedly disposed on a lower end surface of the rolling plate 311, the sliding rail 316 is also disposed on the lower end surface of the fixing seat 315, and the ball connecting portion 317 is disposed on the sliding rail 316 and can freely slide on the sliding rail 316. Preferably, a fixing member is further disposed on the ball connecting portion 317, and the ball connecting portion 317 can be fixed on a specific position of the slide rail 316 through the fixing member.
The activity guide is including setting up seat 318, it corresponds to set up seat 318 the fixing base 315 sets up terminal surface under the rolling plate 311, it is provided with mounting groove 319 and activity groove 320 in the seat 318 to set up, be provided with the gear hobbing strip 321 and the gear hobbing 322 that the cooperation set up in the mounting groove 319, the axis of gear hobbing 322 is provided with the second connecting piece, the other end of roller bearing 314 passes through the second connecting piece with the connection can be dismantled to gear hobbing 322.
A braking part 323 and a sliding plate 324 are arranged in the movable groove 320, the braking part 323 is arranged on the sliding plate 324, a slide way is arranged in the movable groove 320 corresponding to the sliding plate 324, the sliding plate 324 can slide freely on the slide way, an output shaft of the braking part 323 is connected with the rolling gear 322, the rolling gear 322 is driven to rotate by the braking part 323, so that the rolling gear 322 moves on the rolling rack 321, the rolling block 313 is driven to rotate and move, and the rolling block 313 performs embossing operation on the pressed paper sheet raw material 6.
Preferably, as shown in fig. 2, fig. 2 is a structural view of the ball connecting part; the ball-shaped groove can be set up to hemisphere type groove, is convenient for spheroid 326's installation, the uncovered opening in ball-shaped groove sets up stopper 327, stopper 327 sets up to the annular plate that has the arcwall face, the arcwall face sets up on the interior anchor ring of arcwall plate, thereby guarantees stopper 327 fixes when the ball-shaped groove is last, the arcwall face with spheroid 326 laminates, is convenient for spheroid 326 is at the free rotation in the ball-shaped inslot. The spherical groove and the ball 326 are arranged in a matching manner, that is, the radius of the spherical groove is equal to the radius of the ball 326, and the radius of the inner ring of the limit block 327 is slightly smaller than the radius of the ball 326, so that the limit block 327 is ensured to limit the ball 326 in the spherical groove.
Similarly, to horizontally arrange the roller 314, the limiting block 327 may also be a block structure with another half spherical positioning groove; ball type groove with the constant head tank combination forms complete ball-type, just the ball-type radius with spheroid 326 radius is unanimous, the constant head tank bottom is provided with the perforating hole, first connecting piece can pass the perforating hole with roller bearing 314 is connected, the perforating hole can be fixed the position of first connecting piece, thereby guarantees roller bearing 314 level sets up.
Preferably, the first connecting piece and the second connecting piece are both provided as pipe fittings with threaded holes on the axes, and both ends of the roller 314 can be connected with the pipe fittings through threads; the pipe fitting is further provided with a positioning screw, and the positioning screw is screwed into the threaded hole from the side wall of the pipe fitting so as to be pressed against the end part of the roller 314, so that the connection stability of the end part of the roller 314 and the first connecting piece and the second connecting piece is strengthened.
EXAMPLE III
As shown in fig. 3, fig. 3 is a three-structure view of an embodiment of the rolling mechanism; when the paper sheet raw material 6 is a conventional rectangle, the rolling block 313 is set to be cylindrical, and the rolling shaft 314 is horizontally arranged; the limiting block 327 is provided with a block structure with another half spherical positioning groove; the rack gear 321 is arranged in a linear type, and the sliding plate 324 and the slideway are arranged in a linear type. The braking part 323 drives the rolling gear 322 to move linearly along the rolling rack 321, and the ball connecting part 317 moves linearly on the slide rail 316; meanwhile, the rolling block 313 rotates around the rolling shaft 314 under the rotation of the rolling gear 322, and the ball 326 rolls in the spherical groove; the rolling block 313 is attached to the paper sheet raw material 6 by the adjustment of the rolling lifting device, and further provides enough pressure to enable the rolling block 313 to roll emboss the paper sheet raw material 6 under the combined motion of horizontal movement and rolling.
Example four
As shown in fig. 4, fig. 4 is a four-structure view of an embodiment of the rolling mechanism; when the paper sheet raw material 6 is in a fan shape of a paper cup raw material, the rolling block 313 is in a circular truncated cone shape which is relatively attached to the shape of the paper cup, and the rolling shaft 314 is obliquely arranged, so that the edge, attached to the original paper sheet, of the lower end of the rolling block 313 is horizontal; the stopper 327 is configured in a ring shape, so that the first connecting element can undergo a large positional change, i.e., the roller 314 can undergo a positional movement around the ball 326.
The rack 321, the slide 324 with the slide all corresponds the slope setting, just the rack 321, the slide all sets up to the circle segment type, ball connecting portion 317 passes through the mounting is fixed on the slide rail 316, just ball connecting portion 317 sets up on the rack 321 central line.
The ball 326 is fixed in the ball-shaped groove through the limit block 327, so as to ensure normal embossing of the rolling block 313; the calculation formula of the thickness s of the limiting block 327 is as follows;
wherein R is the sphere 326 diameter; r is the first connector cross-sectional radius; θ is the tilt angle of the roller 314; pi is 180 degrees.
The inclination angle theta of the roller 314 is the inclination angle of the cup wall after the paper sheet raw material 6 is made into a paper cup.
According to the calculation formula, the smaller the thickness value of the limiting block 327 is, the larger the moving amplitude of the roller 314 is; when the diameter R of the ball 326 is larger, the thickness of the limiting block 327 is larger; when the inclination angle θ of the roller 314 is larger, the thickness of the stopper 327 is smaller.
By setting the thickness of the limiting block 327, the rolling block 313 can be ensured to be in close fit with the paper cup raw material, and the rolling block 313 can swing normally, so that the rolling embossing of the paper cup raw material by the rolling block 313 is realized.
The braking part 323 drives the rolling gear 322 to move along the curve of the rolling rack 321, and the ball 326 rotates in the spherical groove, so as to ensure the swing of the rolling shaft 314; meanwhile, the rolling block 313 rotates around the rolling shaft 314 under the rotation of the rolling gear 322, and the ball 326 rolls in the spherical groove; the rolling block 313 is attached to the paper sheet raw material 6 by the adjustment of the rolling lifting device, and further provides enough pressure to enable the rolling block 313 to roll emboss the paper sheet raw material 6 under the combined motion of horizontal movement and rolling.
EXAMPLE five
As shown in fig. 5, fig. 5 is a structural view of a rolling lower die according to a fourth embodiment; the rolling lower die 32 comprises a bottom die 71, a fixing module 72 and a lower die base 73, the fixing module 72 is arranged on the lower die base 73, and the lower die base 73 is connected with the rolling plate 311 through the rolling lifting device; the positions of the bottom mold 71 and the paper sheet raw material 6 can be fixed by the fixing module 72, so that the interaction between the bottom mold 71 and the rolling block 313 is facilitated, and the embossing operation is realized.
The outer circumferential surface of the rolling block 313 and the upper surface of the bottom die 71 are correspondingly provided with lines, and the mutual rolling operation between the rolling block 313 and the bottom die 71 enables the lines to be pressed on the paper sheet raw material 6 so as to emboss the paper sheet raw material 6.
Preferably, in order to ensure that the paper sheet raw material 6 is flat on the bottom die 71, the bottom die 71 is clamped together with the paper sheet raw material 6 by the clamping device in the clamping and moving process, so that the clamping effect of the clamping device on the paper sheet raw material 6 is ensured, and meanwhile, the paper sheet raw material 6 is ensured not to be changed in position or shape in the moving process.
Lower bolster 73 is provided with the fixed slot, die block 71 can place in the fixed slot, and pass through the fixed horizontal position of fixed slot, the fixed slot bottom is provided with the air flue, be provided with the gas pocket on the die block 71, through the air flue with the gas pocket can with scraps of paper raw materials 6 adsorb on the die block 71, reduce scraps of paper raw materials 6's unexpected removal. The depth of the fixing groove is the same as the thickness of the bottom die 71, and the line of the grains on the bottom die 71 is higher than the upper surface of the lower die holder 73.
Fixed module 72 is including compressing tightly subassembly and locating component, it sets up to compress tightly the subassembly both sides of locating component, locating component corresponds the setting and is in a side of fixed slot, it includes guide rail group 74 and sets up to compress tightly the subassembly on the guide rail group 74 and with guide rail swing joint's compact heap 75 simultaneously, compact heap 75 sets up to 2, and the symmetry sets up be in decide the both sides of subassembly, compact heap 75 all is connected with a pressure cylinder, pressure cylinder drives compact heap 75 is in remove between guide rail group 74, locating component sets up a guide rail middle part of guide rail group 74, just locating component includes locating piece 76 and location cylinder, the location cylinder is fixed on the guide rail, the location cylinder drives locating piece 76 removes.
Specifically, the pressing cylinder can drive the pressing block 75 to move above the fixing groove, and similarly, the positioning tight cylinder can drive the positioning block 76 to move above the fixing groove; when the pressing block 75 and the positioning block 76 are not located above the fixing groove, the clamping device may place the bottom die 71 into the fixing groove from above the fixing groove, and the pressing block 75 and the positioning block 76 may fix the bottom die 71 in the fixing groove by the movement of the pressing block 75 and the positioning block 76.
Preferably, when the paper sheet raw material 6 is provided in a fan shape, the corresponding side of the positioning block 76 is provided in an arc shape, and the corresponding side of the pressing block 75 is provided in an inclined straight side, so that the paper sheet raw material 6 can be contacted with the paper sheet raw material 6 by moving the positioning block 76 and the pressing block 75, and the position of the paper sheet raw material 6 on the bottom die 71 can be corrected, thereby ensuring that the paper sheet raw material 6 is correctly rolled by the rolling block 313.
The clamping position of the clamping device for the paper sheet raw material 6 is generally set to be near the long arc edge of the paper sheet raw material 6, and the bottom die 71 and the paper sheet raw material 6 can be clamped simultaneously or only the bottom die 71 can be clamped according to specific conditions, so that the positioning block 76 is arranged corresponding to the short arc edge of the paper sheet raw material 6, and the corresponding edge of the positioning block 76 is provided with a chamfer to avoid the interference of the rolling block 313 and the positioning block 76 in the rolling process.
The position of the positioning block 76 is unchanged after the positioning block 76 is moved to the position above the fixing groove, and the positioning block 76 is in contact with the paper sheet raw material 6; the pressing block 75 is separated from the contact with the paper sheet raw material 6 after the rolling block 313 starts to roll the paper sheet raw material 6, that is, the pressing block 75 is separated after the rolling block 313 and the paper sheet raw material 6 are contacted, so that interference with the pressing block 75 when the rolling block 313 rolls the edge position of the paper sheet raw material 6 is avoided.
The fixed slot corresponds clamping device still is provided with and moves back a position groove, is convenient for clamping device is right the centre gripping of die block 71.
EXAMPLE six
As shown in fig. 6 and 7, fig. 6 is a structural view of the platen mechanism in a non-operating state; FIG. 7 is a structural view of the platen mechanism in an operating state; the flat pressing mechanism 4 comprises a flat pressing upper die 41 and a flat pressing lower die 42, and the flat pressing upper die 41 and the flat pressing lower die 42 are connected through a flat pressing lifting device; when the paper sheet raw material 6 is on the flat pressing lower die 42, the flat pressing lifting device controls the distance between the flat pressing upper die 41 and the flat pressing lower die 42, and the flat pressing upper die 41 and the flat pressing lower die 42 perform an embossing operation on the paper sheet raw material 6.
The flat pressing upper die 41 comprises an upper die holder 411 and a flat pressing block 412; the upper die holder 411 is provided with a flat pressing groove, the flat pressing block 412 is arranged in the flat pressing groove, a deformation block 413 is arranged between the flat pressing block 412 and the bottom of the flat pressing groove, and the upper end and the lower end of the deformation block 413 are respectively fixedly connected with the bottom of the flat pressing groove and the flat pressing block 412; generally, the cross section of the deformation block 413 is rectangular, an air cavity 414 is arranged in the deformation block 413, the air cavity 414 is arranged in a sealing manner, the air cavity 414 is filled with air, the air cavity 414 is arranged in a gradual change structure with two end spaces of different sizes, that is, the air cavity 414 is provided with a long end and a short end, the thickness of the long end is greater than that of the short end, and the thickness of the air cavity 414 gradually decreases from the long end to the short end; when the flat pressing block 412 is partially pressed, the deformation block 413 is deformed, thereby changing the state of the flat pressing block 412.
The flat pressing block 412 is provided with a long hole 415 and a lapping part 416 near the corresponding two ends; the flat pressing groove is provided with a connecting shaft 417 corresponding to the long hole 415, the connecting shaft 417 penetrates through the long hole 415 to realize movable connection between the flat pressing block 412 and the upper die holder 411, the overlapping part 416 is provided with a strip-shaped plate extending from the end face of the flat pressing block 412, the side wall of the flat pressing groove is provided with a limiting groove 418 corresponding to the overlapping part 416, the overlapping part 416 is arranged in the limiting groove 418, and the overlapping part 416 can move in the limiting groove 418 along with the state change of the flat pressing block 412.
A flat pressing surface 419 and a transition surface 420 are arranged on the lower end surface of the flat pressing block 412, the flat pressing surface 419 is arranged in a shape matched with the paper sheet raw material 6, the transition surface 420 is arranged at the edge of the flat pressing surface 419, an included angle is formed between the flat pressing surface 419 and the transition surface 420, and when the flat pressing block 412 is in a non-working state, the transition surface 420 is in a horizontal state; when the flat pressing block 412 is in a working state and the flat pressing surface 419 is attached to the paper sheet raw material 6, the flat pressing surface 419 is in a horizontal state.
Through the adjustment of the flat pressing lifting device, as the flat pressing surface 419 is obliquely arranged, the transition surface 420 on the flat pressing block 412 is firstly contacted with the transition region 78 on the bottom die 71, the end part of the flat pressing block 412, which is provided with the transition surface 420, is pressed to move upwards under the matching action of the connecting shaft 417 and the long hole 415, so that the deformation block 413 part corresponding to the transition surface 420 is pressed and deformed, and the pressed volume of the end part of the corresponding air cavity 414 is reduced; due to the shape fixing effect of the flat pressing groove, the gas in the gas cavity 414 with the reduced volume moves towards the gas cavity 414 of the non-pressed part, so that the deformed block 413 corresponding to the flat pressing surface 419 is deformed with the increased volume, the end part of the flat pressing block 412 provided with the lap joint part 416 moves downwards, the flat pressing surface 419 gradually moves downwards and swings around the connecting shaft 417, and the gradual contact and adhesion of the flat pressing surface 419 and the surface of the paper sheet raw material 6 is realized. Because the flat pressing surface 419 and the paper sheet raw material 6 are gradually contacted along one direction, the previously contacted part is used as a fixed point to ensure the integral stability of the flat pressing process of the flat pressing surface 419 and the paper sheet raw material 6, and meanwhile, the gradual contact and flat pressing can avoid the conditions of incomplete lines and patterns, deformation of the patterns and the like caused by the unevenness of the paper sheet raw material 6.
In order to ensure the gradual pressing of the flat pressing block 412 on the paper sheet raw material 6, the calculation formula of the included angle α between the flat pressing surface 419 and the transition surface 420 is as follows;
wherein a is the short end thickness of the air cavity 414; b is the thickness of the long end of the air cavity 414; c is the width of the air cavity 414; f is a pressure value applied by the flat pressing lifting device; g is the gravity of the flat pressing plate.
With respect to the formula for the included angle α,
when the difference between the long end and the short end is larger, the deformation capacity of the deformation block 413 on the surface is stronger, the inclined angle of the flat pressing surface 419 is larger, the included angle α is smaller, and when the applied pressure value F is larger, the power for changing the state of the flat pressing block 412 is larger, the inclined angle of the flat pressing surface 419 is larger, and the included angle α is smaller.
Through calculation of an included angle α between the flat pressing surface 419 and the transition surface 420, a reasonable contact surface of the flat pressing block 412 can be set, so that rapid change of the state of the flat pressing block 412 is guaranteed, and embossing of the paper sheet raw material 6 by the flat pressing mechanism 4 is smoothly performed.
EXAMPLE seven
As shown in fig. 8, fig. 8 is a structural view of the flat-pressing lower die; the flat pressing lower die 42 and the rolling lower die 32 have similar structures; the flat pressing lower die 42 comprises a bottom die 71, a fixing module 72 and a lower die base 73, the fixing module 72 is arranged on the lower die base 73, and the lower die base 73 is connected with the upper die base 411 through the flat pressing lifting device; the positions of the bottom die 71 and the paper sheet raw material 6 can be fixed by the fixing module 72, so that the interaction between the bottom die 71 and the flat pressing block 412 is facilitated, and the embossing operation is realized.
The flat pressing surface 419 of the flat pressing block 412 and the upper surface of the bottom mold 71 are correspondingly provided with lines, and the mutual flat pressing operation between the flat pressing block 412 and the bottom mold 71 causes the lines to be pressed on the paper sheet raw material 6 so as to emboss the paper sheet raw material 6.
Preferably, in order to ensure that the paper sheet raw material 6 is flat on the bottom die 71, the bottom die 71 is clamped together with the paper sheet raw material 6 by the clamping device in the clamping and moving process, that is, the paper sheet raw material 6 is placed on the bottom die 71 on the clamping device after the paper sheet raw material 6 is sucked by the suction mechanism 1, so that the clamping effect of the clamping device on the paper sheet raw material 6 is ensured, and meanwhile, the paper sheet raw material 6 is ensured not to be changed in position or shape in the moving process.
The lower die holder 73 is provided with a fixing groove, the bottom die 71 can be placed in the fixing groove, and the horizontal position of the bottom die 71 is fixed through the fixing groove; the fixed slot bottom is provided with the air flue, be provided with the gas pocket on the die block 71, through the air flue with the gas pocket can with scraps of paper raw materials 6 adsorbs on the die block 71, reduce scraps of paper raw materials 6's unexpected removal. The depth of the fixing groove is the same as the thickness of the bottom die 71, and the line of the grains on the bottom die 71 is higher than the upper surface of the lower die holder 73.
Fixed module 72 is including compressing tightly subassembly and locating component, it sets up to compress tightly the subassembly both sides of fixed slot, locating component corresponds the setting and is in compress tightly in the subassembly, it includes guide rail group 74 and sets up to compress tightly the subassembly guide rail group 74 on and with guide rail swing joint's compact heap 75 simultaneously, compact heap 75 sets up to 2, and the symmetry sets up be in decide the both sides of subassembly, compact heap 75 all is connected with a pressure cylinder, pressure cylinder drives compact heap 75 is in move between guide rail group 74.
Locating component sets up on die block 71, it is concrete, locating component is two location edges 77, location edge 77 corresponds the setting, location edge 77 is for setting up in the concora crush region the profile modeling limit at both edges of scraps of paper raw materials 6, one of them location edge 77 with scraps of paper raw materials 6 edge laminating, another location edge 77 with be provided with transition region 78 between scraps of paper raw materials 6, transition region 78 with transition surface 420 corresponds the setting, just location edge 77 highly be higher than line height.
Specifically, the pressing cylinder may drive the pressing block 75 to move to the top of the fixing groove, when the pressing block 75 is not located above the fixing groove, the clamping device may place the bottom die 71 into the fixing groove from the top of the fixing groove, and through the movement of the pressing block 75 and the positioning block 76, the pressing block 75 may fix the bottom die 71 in the fixing groove.
Preferably, when the paper sheet raw material 6 is provided in a fan shape, the positioning edge 77 is provided in an arc shape, and the corresponding edge of the pressing block 75 is provided in an inclined straight edge, so that the paper sheet raw material 6 can be contacted with the paper sheet raw material 6 by moving the pressing block 75, and the position of the paper sheet raw material 6 on the bottom die 71 can be corrected, thereby ensuring correct flat pressing of the flat pressing block 412 on the paper sheet raw material 6.
The clamping position of the clamping device for the paper sheet raw material 6 is generally set to be near the long circular arc edge on the paper sheet raw material 6, and the clamping device can be clamped on the positioning edge 77; the positioning edge 77 corresponding to the long circular arc edge is arranged in contact with the paper sheet raw material 6, and the positioning edge 77 corresponding to the short circular arc edge of the paper sheet raw material 6 is provided with the transition area 78, so that the compressing block 75 can correct the paper sheet raw material 6 conveniently.
The pressing block 75 is separated from the contact with the paper sheet raw material 6 after the flat pressing block 412 starts to flatly press the paper sheet raw material 6, that is, the pressing block 75 is separated after the flat pressing block 412 is contacted with the paper sheet raw material 6, so that interference with the pressing block 75 when the flat pressing block 412 flatly presses the edge position of the paper sheet raw material 6 is avoided.
The fixed slot corresponds clamping device still is provided with and moves back a position groove, is convenient for clamping device is right the centre gripping of die block 71.
For the rectangular sheet material 6, the positioning edge 77 and the corresponding edge of the pressing block 75 are both straight edges, and the transition area 78 may be provided corresponding to one of the positioning edges 77.
Example eight
The embossing processing method using the embossing machine comprises the following steps:
s1, the suction means 1 taking out the single paper sheet raw material 6 from the raw material stack and fixing it on the holding device;
s2, the gripping device places the paper sheet raw material 6 on the rolling mechanism 3 by the position rotation of the rotating mechanism 2; the rolling mechanism 3 carries out embossing operation on the paper sheet raw material 6;
s3, the clamping device takes the paper sheet raw material 6 out of the rolling mechanism 3, and rotates by the position of the rotating mechanism 2, and the clamping device places the paper sheet raw material 6 in the flat pressing mechanism 4 to perform an embossing operation;
s4; the paper sheet raw material 6 is taken out of the flat pressing mechanism 4 by the clamping device, is rotated and stopped at the position of the discharging roller path 5 through the position of the rotating mechanism 2, and paper sheet products which are embossed are transported out by the discharging roller path 5.
Step S2 and step S3 may be implemented separately, that is, only the embossing operation is performed by the rolling mechanism 3, or only the embossing operation is performed by the flat pressing mechanism 4, or the secondary embossing operation is performed by the rolling mechanism 3 and the flat pressing mechanism 4, respectively, the first embossing operation is a primary pressing, the second embossing operation is a secondary pressing, and the secondary embossing by the primary pressing and the secondary pressing makes the grain on the paper sheet raw material 6 clearer and has a good embossing effect.
The initial pressing and the repressing can both adopt one of the rolling mechanism 3 and the flat pressing mechanism 4, namely, the rolling mechanism 3 is firstly pressed and then the flat pressing mechanism 4 is repressed, or the flat pressing mechanism 4 is firstly pressed and then the rolling mechanism 3 is repressed.
In the specific step S2, when the paper sheet raw material 6 is a conventional rectangle, the rolling block 313 is set to be cylindrical, and the roller 314 is horizontally set; the braking part 323 drives the rolling gear 322 to move linearly along the rolling rack 321, and the ball connecting part 317 moves linearly on the slide rail 316; meanwhile, the rolling block 313 rotates around the rolling shaft 314 under the rotation of the rolling gear 322, and the ball 326 rolls in the spherical groove; the rolling block 313 is attached to the paper sheet raw material 6 by the adjustment of the rolling lifting device, and further provides enough pressure to enable the rolling block 313 to roll emboss the paper sheet raw material 6 under the combined motion of horizontal movement and rolling.
When the paper sheet material 6 is in a sector shape of a paper cup material, the braking member 323 drives the rolling gear 322 to move along the curve of the rolling rack 321, and the ball 326 rotates in the spherical groove, so that the rolling shaft 314 is ensured to swing; meanwhile, the rolling block 313 rotates around the rolling shaft 314 under the rotation of the rolling gear 322, and the ball 326 rolls in the spherical groove; the rolling block 313 is attached to the paper sheet raw material 6 by the adjustment of the rolling lifting device, and further provides enough pressure to enable the rolling block 313 to roll emboss the paper sheet raw material 6 under the combined motion of horizontal movement and rolling.
In step S3, by adjusting the flat pressing and lifting device, since the flat pressing surface 419 is obliquely disposed, the transition surface 420 on the flat pressing block 412 is firstly contacted with the transition region 78 on the bottom die 71, and the end of the flat pressing block 412 where the transition surface 420 is disposed is pressed and moved upward under the cooperation of the connecting shaft 417 and the long hole 415, so that the deformation block 413 corresponding to the transition surface 420 is partially pressed and deformed, and the pressure volume of the end of the corresponding air cavity 414 is reduced; due to the shape fixing effect of the flat pressing groove, the gas in the gas cavity 414 with the reduced volume moves towards the gas cavity 414 of the non-pressed part, so that the deformed block 413 corresponding to the flat pressing surface 419 is deformed with the increased volume, the end part of the flat pressing block 412 provided with the lap joint part 416 moves downwards, the flat pressing surface 419 gradually moves downwards and swings around the connecting shaft 417, and the gradual contact and adhesion of the flat pressing surface 419 and the surface of the paper sheet raw material 6 is realized. Because the flat pressing surface 419 and the paper sheet raw material 6 are gradually contacted along one direction, the previously contacted part is used as a fixed point to ensure the integral stability of the flat pressing process of the flat pressing surface 419 and the paper sheet raw material 6, and meanwhile, the gradual contact and flat pressing can avoid the conditions of incomplete lines and patterns, deformation of the patterns and the like caused by the unevenness of the paper sheet raw material 6.
By the embossing processing method, paper sheet raw materials 6 can be continuously embossed, the embossing efficiency is high, the automation degree is high, meanwhile, the rolling mechanism 3 and the flat pressing mechanism 4 both emboss the paper sheet raw materials 6 in a fixed direction, the unevenness of the paper sheet raw materials 6 in the embossing process is reduced, and the quality of the embossed products is improved.
Preferably, hot oil may be provided to the inside of the rolling compact 313 and the flat compact 412 to heat the rolling compact 313 and the flat compact 412, thereby achieving a better embossing effect.
The foregoing is merely a preferred embodiment of the invention, which is intended to be illustrative and not limiting. It will be understood by those skilled in the art that various changes, modifications and equivalents may be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (9)
1. An embossing machine is characterized by comprising an absorbing mechanism, a rotating mechanism and a flat pressing mechanism, wherein the flat pressing mechanism and the absorbing mechanism are arranged on the outer side of the rotating mechanism, a clamping device used for clamping paper sheet raw materials is arranged on the rotating mechanism, a plurality of clamping groups are arranged on the clamping device, the clamping groups are distributed uniformly in an annular mode through a rotating shaft of the rotating mechanism, each clamping group corresponds to the absorbing mechanism, the flat pressing mechanism and a discharging roller path respectively, the paper sheet raw materials are taken out of a raw material lamination layer through the absorbing mechanism and are fixed on the corresponding clamping group, through the rotation of the rotating mechanism, the rotating mechanism drives the paper sheet raw materials to pass through the flat pressing mechanism and finally stay at the discharging roller path, and paper sheets subjected to embossing are conveyed out through the discharging roller path;
the flat pressing mechanism comprises a flat pressing upper die and a flat pressing lower die, and the flat pressing upper die and the flat pressing lower die are connected through a flat pressing lifting device; the flat pressing upper die comprises an upper die base and a flat pressing block; the upper die base is provided with a flat pressing groove, the flat pressing block is arranged in the flat pressing groove, a deformation block is arranged between the flat pressing block and the bottom of the flat pressing groove, and the upper end and the lower end of the deformation block are fixedly connected with the bottom of the flat pressing groove and the flat pressing block respectively;
the deformation block is rectangular in cross section, an air cavity is arranged in the deformation block, the air cavity is sealed, the air cavity is filled with air, the air cavity is provided with a long end and a short end, the thickness of the long end is larger than that of the short end, and the thickness of the air cavity is gradually reduced from the long end to the short end.
2. The embosser of claim 1, wherein said flat pressing block is provided at its end with a long hole; the flat pressing groove is provided with a connecting shaft corresponding to the long hole, and the connecting shaft penetrates through the long hole to realize movable connection between the flat pressing block and the upper die base.
3. The embosser of claim 2 wherein said flat pressing block end is further provided with a lap joint; the lap joint part is provided with a strip-shaped plate extending from the end face of the flat pressing block, the side wall of the flat pressing groove is provided with a limiting groove corresponding to the lap joint part, the lap joint part is arranged in the limiting groove and can move in the limiting groove along with the state change of the flat pressing block.
4. The embossing machine as claimed in claim 3, wherein the lower end surface of said flat-pressing block is provided with a flat-pressing surface and a transition surface, said flat-pressing surface is arranged to match the shape of said paper sheet raw material, said transition surface is arranged at the edge of said flat-pressing surface, an included angle is arranged between said flat-pressing surface and said transition surface, and when said flat-pressing block is in a non-working state, said transition surface is in a horizontal state; when the flat pressing block is in a working state and the flat pressing surface is attached to the paper sheet raw material, the flat pressing surface is in a horizontal state.
5. The embosser of claim 4 wherein the included angle α between said flat pressing surface and said transition surface is calculated as;
wherein a is the thickness of the short end of the air cavity; b is the thickness of the long end of the air cavity; c is the width of the air cavity; f is a pressure value applied by the flat pressing lifting device; g is the gravity of the flat pressing plate.
6. The embossing machine according to claim 4, wherein the flat-pressing lower die comprises a bottom die, a fixing module and a lower die base, the fixing module is arranged on the lower die base, and the lower die base is connected with the upper die base through the flat-pressing lifting device; the lower die holder is provided with a fixing groove, the bottom die can be placed in the fixing groove, and the horizontal position of the bottom die is fixed through the fixing groove.
7. The embossing machine according to claim 6, wherein the fixing module comprises a pressing assembly and a positioning assembly, the pressing assembly is disposed on two sides of the fixing groove, the positioning assembly is correspondingly disposed in the pressing assembly, the pressing assembly comprises a guide rail set and pressing blocks which are disposed on the guide rail set and movably connected with the guide rail, the pressing blocks are symmetrically disposed on two sides of the positioning assembly, a pressing cylinder is connected to each pressing block, and the pressing cylinder drives the pressing blocks to move between the guide rail sets.
8. The embossing machine according to claim 7, wherein the positioning assembly is disposed on the bottom mold, the positioning assembly comprises two positioning edges, the positioning edges are correspondingly disposed, the positioning edges are profiling edges disposed on two edges of the paper sheet raw material on the bottom mold, one of the positioning edges is attached to the edge of the paper sheet raw material, a transition area is disposed between the other positioning edge and the paper sheet raw material, and the transition area is correspondingly disposed to the transition surface.
9. An embossing process using the embosser according to any one of claims 1 to 8, characterized by comprising the steps of;
s1, taking out single paper sheet raw materials from the raw material lamination by the suction mechanism and fixing the single paper sheet raw materials on the clamping device;
s2, the paper sheet raw material is placed on the flat pressing mechanism by the clamping device through the position rotation of the rotating mechanism; the flat pressing mechanism carries out embossing operation on the paper sheet raw material;
s3; the paper sheet raw materials are taken out of the flat pressing mechanism by the clamping device, rotated and stopped at the position of the discharging roller path through the position of the rotating mechanism, and the paper sheet products which are embossed are transported out by the discharging roller path.
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| CN201811567707.5A CN109605835B (en) | 2018-12-18 | 2018-12-18 | Embossing machine and embossing processing method |
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| CN201811567707.5A CN109605835B (en) | 2018-12-18 | 2018-12-18 | Embossing machine and embossing processing method |
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| CN109605835B true CN109605835B (en) | 2020-06-19 |
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| US4655267A (en) * | 1986-04-07 | 1987-04-07 | Lof Plastics Inc. | Holder for embossing items of irregular cross-section |
| CN201613668U (en) * | 2010-03-02 | 2010-10-27 | 盐城宏景包装机械有限公司 | Secondary indentation device for folding line of carton |
| CN202293425U (en) * | 2011-10-28 | 2012-07-04 | 杭州鼎隆包装机械有限公司 | Secondary creasing device of box pasting machine |
| CN105415759A (en) * | 2015-12-24 | 2016-03-23 | 嘉兴市新发现机械制造有限公司 | Rotary disc-type embossing mechanism |
| CN106079587A (en) * | 2016-08-05 | 2016-11-09 | 嘉兴市新发现机械制造有限公司 | Impression wrapper |
| CN107322997A (en) * | 2017-08-17 | 2017-11-07 | 海宁诚达机械有限公司 | A kind of impression wrapper |
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2018
- 2018-12-18 CN CN201811567707.5A patent/CN109605835B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4655267A (en) * | 1986-04-07 | 1987-04-07 | Lof Plastics Inc. | Holder for embossing items of irregular cross-section |
| CN201613668U (en) * | 2010-03-02 | 2010-10-27 | 盐城宏景包装机械有限公司 | Secondary indentation device for folding line of carton |
| CN202293425U (en) * | 2011-10-28 | 2012-07-04 | 杭州鼎隆包装机械有限公司 | Secondary creasing device of box pasting machine |
| CN105415759A (en) * | 2015-12-24 | 2016-03-23 | 嘉兴市新发现机械制造有限公司 | Rotary disc-type embossing mechanism |
| CN106079587A (en) * | 2016-08-05 | 2016-11-09 | 嘉兴市新发现机械制造有限公司 | Impression wrapper |
| CN107322997A (en) * | 2017-08-17 | 2017-11-07 | 海宁诚达机械有限公司 | A kind of impression wrapper |
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