CN111016300A

CN111016300A - Dog-ear of covering machine device of borduring

Info

Publication number: CN111016300A
Application number: CN202010009338.9A
Authority: CN
Inventors: 叶芳; 朱聘臣; 孙超; 鲁江林; 刘建飞
Original assignee: Zhejiang Haoda Machinery Co ltd
Current assignee: Zhejiang Haoda Machinery Co ltd
Priority date: 2020-01-06
Filing date: 2020-01-06
Publication date: 2020-04-17

Abstract

The invention discloses a bevel edge covering device of a covering machine, which comprises a frame, wherein a paper board positioning mechanism, a feeding conveying mechanism, a leveling bevel mechanism, a hemming mechanism and a conveying mechanism are arranged on the frame, the feeding conveying mechanism comprises a feeding conveying belt and an adsorption component, a plurality of through holes convenient for the adsorption component to adsorb paper boards are arranged on the feeding conveying belt, the leveling bevel mechanism is arranged at the upper end of the feeding conveying belt, the leveling bevel mechanism comprises a leveling clamp and a plurality of bevel blocks used for beveling the end parts of the paper boards after the paper boards are firstly hemmed, the sliding direction of the leveling clamp is vertical to the conveying direction of the feeding conveying belt, and the sliding direction of the bevel blocks is consistent with the sliding direction of the leveling clamp. The invention provides the angle folding and edge covering device of the covering machine, which can carry out angle folding treatment on the end part of the covered edge after the first edge covering processing, avoid the excessive thickness of the cover at the vertex angle position, ensure that the pasting is firmer and the corners are more beautiful.

Description

Dog-ear of covering machine device of borduring

Technical Field

The invention belongs to the technical field of paperboard edge covering equipment, and particularly relates to a folding and edge covering device of a covering machine.

Background

In order to make the surface of cardboard more pleasing to the eye, it is usually necessary to carry out cover bordure processing with cover paper to one side surface of cardboard, traditional cover taping machine is earlier with one of them a pair of relative side carry out the processing back of borduring for the first time, carry out the processing of borduring for the second time to another to relative side again, because the direction of two times of borduring processing is perpendicular to each other, and in order to wrap up the cardboard side, consequently, the length that the facial tissue that is used for borduring is compared in the cardboard side is longer, consequently after accomplishing two times of borduring processing (like figure 12), the front cover in the apex angle position can have the problem of excess thickness, not only influence pleasing to the eye, and there is the.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides the angle folding and edge covering device of the covering machine, which can carry out angle folding treatment on the end part of the covered edge after the first edge covering processing, avoid the excessive thickness of the cover at the vertex angle position, ensure that the pasting is firmer and the corners are more beautiful.

In order to achieve the purpose, the invention adopts the technical scheme that: a dog-ear edge covering device of a covering machine comprises a frame, wherein a paper board positioning mechanism, a feeding and conveying mechanism, a leveling dog-ear mechanism, an edge covering mechanism and a conveying mechanism used for conveying paper boards from the feeding and conveying mechanism to the edge covering mechanism are arranged on the frame, the feeding conveying mechanism comprises a feeding conveying belt and an adsorption component arranged at the lower end of the feeding conveying belt, a plurality of through holes convenient for the adsorption component to adsorb the paper board are arranged on the feeding conveyor belt, the leveling bevel mechanism is arranged at the upper end of the feeding conveyor belt, the leveling and angle folding mechanism comprises a leveling clamp which is arranged on the frame in a sliding way and is used for clamping and positioning the paper board and a plurality of angle folding blocks which are arranged on the leveling clamp in a sliding way and are used for folding the edge of the paper board after the paper board is covered for the first time, the sliding direction of the leveling fixture is perpendicular to the conveying direction of the feeding conveying belt, and the sliding direction of the corner block is consistent with that of the leveling fixture.

By adopting the scheme, after the paperboard is subjected to edge covering processing for the first time, the paperboard is conveyed to a position between the leveling clamps through the feeding conveying belt, the adsorbing assembly is arranged below the feeding conveying belt, and the feeding conveying belt is provided with the through holes, so that the paperboard can be adsorbed on the feeding conveying belt, the influence of mechanical vibration on the position of the paperboard is reduced, the paperboard can move only under the action of the leveling clamps or the paperboard positioning mechanism, the first clamping and loosening action of the leveling clamps is firstly carried out, the inclined paperboard can be leveled, then the paperboard is positioned through the paperboard positioning mechanism, the aim is to align the end part needing to be beveled on the paperboard with the beveling block, then the second clamping and holding are carried out through the leveling clamps again, the beveling block arranged on the leveling clamps slides along the clamping direction firstly, and the overlong parts at two ends after the first edge covering are beveled and bent, because the cover paper is pre-glued, the end part of the corner can not be restored after the corner block reversely slides along the clamping direction, and the corner can be formed through the arrangement. Then, the paperboard which is folded at the corner in advance passes through the conveying mechanism, the feeding conveying mechanism conveys the paperboard to the edge covering mechanism for secondary edge covering processing, and the edge covering side edge at the vertex angle position can be obliquely arranged inwards after the secondary edge covering processing, so that the thickness is relatively thin, the paperboard is not easy to contact with the edge, and the pasting is firmer. The product has simple structure, is firmer to paste and is more beautiful.

As a further arrangement of the present invention, the leveling bevel mechanism further comprises a first driving belt for driving the leveling jig to slidably clamp, the first driving belt comprises an upper belt located above and a lower belt located below, the leveling jig comprises a first clamping block and a second clamping block respectively arranged at two ends of the paper board, the first clamping block is fixedly arranged on the upper belt of the first driving belt, and the second clamping block is fixedly arranged on the lower belt of the first driving belt.

By adopting the scheme, the first driving belt can simultaneously drive the first clamping block and the second clamping block to slide, so that the sliding strokes of the first clamping block and the second clamping block are the same, the first clamping block and the second clamping block are respectively arranged on the upper belt and the lower belt, and the purpose of clamping can be achieved only by presetting the initial positions of the first clamping block and the second clamping block and enabling the first clamping block and the second clamping block to move oppositely. Adopt this kind of structure, reduce the stroke error, can avoid appearing the cardboard to a certain extent by excessive centre gripping or the cardboard is not taken place by the condition of flattening, its centre gripping stroke compares driving pieces such as cylinders and predetermines more easily.

As a further arrangement of the invention, the first clamping block and the second clamping block are both provided with a first driving piece for driving the angle block to slide, and the angle block is a rotating wheel capable of rotating in one direction.

By adopting the scheme, the contact between the angle-making block and the paper board exists in the angle-making process, the angle-making block can be used for folding the edge of the edge, so that the angle-making block is prevented from slipping in the angle-making process, the angle-making block is required to be separated from the paper board after the angle-making process is finished, the end part after the angle-making is rubbed and deformed in order to prevent friction between the angle-making block and the paper board, and the purpose can be achieved by the rotating wheel which can rotate in one direction for the angle-making block.

As a further arrangement of the invention, the edge covering mechanism comprises a pair of edge pressing seats which are symmetrically arranged, and the edge pressing seats are respectively provided with a limiting block for limiting the paper board, an edge turning block which is matched with the limiting block and is used for folding and covering the surface paper, and a driving component for driving the edge turning block to press the edge of the edge against the edge covering.

Adopt above-mentioned scheme, the blank holder that sets up through the symmetry can carry out the secondary processing of borduring to the cardboard after the angle of beating is accomplished, and the stopper on the blank holder can carry on spacingly to the cardboard, and the piece of being convenient for turn-ups will bordure folding back and support to press on the cardboard, and turn-ups piece limit folding edge is supported to press and is bordured and can be improved the efficiency of borduring.

As a further configuration of the present invention, the driving assembly includes a driving shaft, a first slider, a second slider, and a first cam group and a second cam group coaxially disposed on the driving shaft for driving the first slider to slide back and forth, the first cam group being in transmission connection with the first slider through a first link structure, the second cam group being in transmission connection with the second slider through a second link structure, the flanging block being fixedly disposed on the first slider, and the first slider being slidably disposed on the second slider and sliding along with the second slider.

By adopting the scheme, the first cam group and the second cam group are driven to rotate by the driving shaft simultaneously, so that the first sliding block can slide back and forth while the second sliding block slides up and down, the flanging block fixed on the first sliding block can slide up and down along with the second sliding block and slide back and forth along with the first sliding block simultaneously, the tissue can be bent when the second sliding block slides upwards and is matched with the first sliding block in a forward sliding way, the tissue can be folded and pressed when the second sliding block slides downwards and is matched with the first sliding block in a backward sliding way, and the aim of pressing while folding can be achieved, the first sliding block and the second sliding block can slide repeatedly by the working principle of the cam, compared with a traditional driving part (such as an air cylinder), the driving mechanism is more direct in the initial adjustment process or the subsequent maintenance process of a product due to the adoption of mechanical transmission, the adjustment can be more convenient simple, compares driving pieces such as cylinders and still can receive the influence of temperature atmospheric pressure, and the cam structure then can not consequently the error appear, need not like driving pieces such as cylinders need debug repeatedly.

As a further arrangement of the invention, the edge covering mechanism further comprises a pressing claw for prepressing the paperboard, a third cam group for driving the pressing claw to overturn is arranged on the driving shaft, and the third cam group is in transmission connection with the pressing claw through a third connecting rod structure.

Adopt above-mentioned scheme, through set up the third cam group in the drive shaft to make it can drive and press the claw upset, make to carry out the pre-compaction with the cardboard before the processing of borduring for the second time, prevent that the cardboard from sliding on the stopper, avoid influencing the processing of borduring, and simple structure, simple to operate need not to occupy too much installation space.

As a further arrangement of the invention, a compression roller mechanism is arranged on the frame, and the compression roller mechanism comprises at least one pair of compression roller shaft sleeves which are vertically symmetrical and are used for extruding the paperboard covered edge.

By adopting the scheme, the press roller mechanism is arranged on the rack, so that the paperboard can be further extruded after the secondary edge covering processing, the edge covering part is more firmly pasted, and the degumming is not easy.

According to the paper board conveying device, a discharging conveying belt used for conveying paper boards from the edge covering mechanism to the press roller mechanism is arranged on the machine frame corresponding to the edge covering mechanism, and a first pushing block convenient for pushing the paper boards into the space between the press roller shaft sleeves along the conveying direction of the discharging conveying belt is arranged on the discharging conveying belt.

Adopt above-mentioned scheme, in order to make the cardboard can be extruded by compression roller mechanism, consequently the relative cardboard thickness of distance between two compression roller axle sleeves of compression roller mechanism will be slightly littleer, consequently sets up first ejector pad on ejection of compact conveyer belt and can be convenient for push into between the compression roller axle sleeve with the cardboard, and the cardboard is difficult for skidding on ejection of compact conveyer belt.

As a further arrangement of the invention, the paper board positioning mechanism comprises a second pushing block which is arranged on the rack in a sliding mode and used for pushing the paper boards to slide along the feeding direction of the feeding conveyor belt, and a position sensor which is arranged on the second pushing block and used for positioning the paper boards.

Adopt above-mentioned scheme, set up the second ejector pad on cardboard positioning mechanism, its purpose lies in order to be can be after the flattening for the first time at flattening anchor clamps, the position of cardboard can be toward the reverse skew of feeding conveyer belt direction of delivery a little, consequently in order to make the cardboard return to normal position, need further fix a position it, the second ejector pad can promote the cardboard and move a little along feeding conveyer belt direction of feed, position sensor's purpose can provide the position feedback of cardboard.

As a further arrangement of the invention, the conveying mechanism comprises a feeding plate which is arranged on the rack in a sliding manner, a bracket and a second driving piece which is used for driving the bracket to slide up and down are arranged on the feeding plate, and a plurality of grabbing pieces which are used for adsorbing the paper boards are fixedly arranged on the first bracket.

By adopting the scheme, the paperboard is conveniently conveyed to the edge covering mechanism through the feeding conveying mechanism, and the paperboard cannot be damaged by the adsorption type grabbing piece.

The invention is further described below with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a flattening and beveling mechanism according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a taping mechanism in an embodiment of the present invention;

FIG. 4 is an exploded view of the taping mechanism in an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a first linkage arrangement in an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a second link structure in an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a third link structure in an embodiment of the present invention;

FIG. 8 is an enlarged view of portion A of FIG. 1;

FIG. 9 is an enlarged view of portion B of FIG. 1;

FIG. 10 is an enlarged view of portion C of FIG. 1;

FIG. 11 is a schematic external view of a transfer mechanism according to an embodiment of the present invention;

FIG. 12 is a schematic view of a prior art board after hemming process;

FIG. 13 is a schematic view of a board after being hemmed according to an embodiment of the present invention.

Detailed Description

The embodiment of the invention is shown in fig. 1-11, a bevel edge covering device of a covering machine, comprising a frame 1, a paper board positioning mechanism 2, a feeding conveying mechanism 3, a flattening bevel mechanism 4, a edge covering mechanism 5 and a conveying mechanism 6 for conveying paper boards from the feeding conveying mechanism 3 to the edge covering mechanism 5 are arranged on the frame 1, the feeding conveying mechanism 3 comprises a feeding conveying belt 31 and an adsorption component 32 arranged at the lower end of the feeding conveying belt 31, the adsorption component 32 comprises an air suction chamber 321 arranged below the feeding conveying belt 31 and a fan 322 communicated with the air suction chamber 321 for air suction, a plurality of through holes 311 (not shown in the figure) convenient for the adsorption component 32 to adsorb the paper boards are arranged on the feeding conveying belt 31, the paper boards can be adsorbed on the feeding conveying belt 31 through the adsorption component 32 without continuous deviation caused by the influence of mechanical vibration, the leveling and angle folding mechanism 4 is arranged at the upper end of the feeding conveyor belt 31, the leveling and angle folding mechanism 4 comprises a leveling clamp 41 which is arranged on the frame 1 in a sliding mode and used for clamping and positioning the paper boards and a plurality of angle folding blocks 42 which are arranged on the leveling clamp 41 in a sliding mode and used for folding the edge folding end parts of the paper boards after the paper boards are subjected to edge folding for the first time, the leveling clamp 41 can carry out clamping twice, the first clamping is used for correcting the inclined paper boards to enable the inclined paper boards to be flat relative to the feeding conveyor belt 31, the clamping is released after the clamping, the second clamping is used for clamping when the angle folding is carried out, the clamping is not released after the clamping, the paper boards cannot deviate when the angle folding blocks 42 are subjected to angle folding, the sliding direction of the leveling clamp 41 is perpendicular to the conveying direction of the feeding conveyor belt 31, the sliding direction of the angle folding blocks 42 is consistent with the sliding direction of the leveling clamp 41, the short edge binding is affected due to overlong length, and the effect of folding the corner cannot be achieved due to overlong length.

In this embodiment, the flattening dog-ear mechanism 4 further includes a first driving belt 43 for driving the flattening jig 41 to slidably clamp, the first driving belt 43 is a timing belt, the first driving belt 43 includes an upper belt 431 located above and a lower belt 432 located below, the flattening fixture 41 includes a first holding block 411 and a second holding block 412 respectively disposed at both ends of the cardboard, the first holding block 411 and the second holding block 412 extend to the cardboard position toward the feeding conveyor 31, the first clamping block 411 is fixedly arranged on the upper belt 431 of the first driving belt 43, the second clamping block 412 is fixedly arranged on the lower belt 432 of the first driving belt 43, the distance between the first clamping block 411 and the middle position of the upper belt 431 is the same as the distance between the second clamping block 412 and the middle position of the lower belt 432, the plurality of corner blocks 42 are respectively arranged on the first holding block 411 and the second holding block 412, the first clamping block 411 and the second clamping block 412 are both provided with clamping plates 413 for clamping the paper boards.

All be provided with on first grip block 411 and the second grip block 412 and be used for driving the gliding first driving piece 44 of angle piece 42, first driving piece 44 is the cylinder, but angle piece 42 is unidirectional rotation's rotating wheel, and the rotating wheel can't rotate when angle piece 42 is made the angle, when accomplishing, can rotate when the angle wheel withdraws from.

The edge covering mechanism 5 comprises a pair of edge pressing bases 51 which are symmetrically arranged, wherein limiting blocks 511 used for limiting paperboards, edge turning blocks 512 matched with the limiting blocks 511 and used for folding and covering the edges of the face paper, and driving components 513 used for driving the edge turning blocks 512 to press the folded edges of the edge covering parts are arranged on the edge pressing bases 51.

In this embodiment, the driving assembly 513 includes a driving shaft 5131, a first slider 5132, a second slider 5133, and a first cam group 5134 and a second cam group 5135 coaxially disposed on the driving shaft 5131 for driving the first slider 5132 to slide back and forth, and for driving the second slider 5133 to slide up and down, the first cam group 5134 includes a first cam 51341 for controlling the forward sliding of the first slider 5132 and a second cam 51342 for controlling the backward sliding of the first slider 5132 (the forward sliding and the backward sliding are in the direction of the second edge folding), and the second cam group 5135 includes a third cam 51351 for controlling the upward sliding of the second slider 5133 and a fourth cam 51352 for controlling the downward sliding of the second slider 5133.

The first cam group 5134 is in transmission connection with the first slider 5132 through a first link structure 52, the first link structure 52 comprises a first rotating rod 521 in transmission connection with a first cam 51341 and a second rotating rod 522 in transmission connection with a second cam 51342, the first rotating rod 521 and the second rotating rod 522 are fixedly matched and then in transmission connection with the first slider 5132 through a first transmission rod 523, a second transmission rod 524, a first rotating shaft 525, a third transmission rod 526 and a first transmission block 527 in sequence, the first transmission block 527 is fixedly arranged on the first slider 5132, when the first cam 51341 is in contact transmission with the first rotating rod 521, the first rotating rod 521 rotates in the forward direction to drive the first transmission rod 523 to swing upward to drive the second transmission rod 524 to rotate forward and drive the first rotating shaft 525 to rotate forward, the first rotating shaft 525 rotates forward to drive the third transmission rod 526 to swing forward to drive the first transmission block 527 and the first slider 5132 to slide forward, when the second cam 51342 is in contact transmission with the second rotating rod 522, the first cam 51341 can be separated from the first rotating rod 521, at this time, the second cam 51342 drives the second rotating rod 522 to rotate and drive the first rotating rod 521 to rotate reversely, so as to drive the first driving rod 523 to move downwards and drive the second driving rod 524 to swing downwards and further drive the first rotating shaft 525 to rotate reversely, and after the first rotating shaft 525 rotates reversely, the third driving rod 526 is driven to swing backwards and further drive the first transmission block 527 and the first sliding block 5132 to slide backwards, by the arrangement, the purpose is to respectively control the front and back sliding of the first sliding block 5132 through the rotating rods in transmission connection with the first cam and the second cam, so that the stroke is more accurate, better mechanical fit can be provided, and the mechanical transmission error is smaller.

The second cam group 5135 is in transmission connection with the second slider 5133 through the second link structure 53, the second link structure 53 includes a third rotating rod 531 in transmission connection with the third cam 51351 and a fourth rotating rod 532 in transmission connection with the fourth cam 51352, the third rotating rod 531 and the fourth rotating rod 532 are fixedly matched and then in transmission connection with the second slider 5133 through the fourth transmission rod 533, the fifth transmission rod 534, the second rotating shaft 535, the sixth transmission rod 536 and the second transmission block 537 in sequence, the second transmission block 537 is fixedly connected with the second slider 5133, when the third cam 51351 is in contact transmission with the third rotating rod 531, the third rotating rod 531 rotates positively to drive the fourth transmission rod 533 to swing upwards to drive the fifth transmission rod 534 to swing forwards to rotate the second rotating shaft 535, the second rotating shaft 535 rotates forwards and then drives the sixth transmission rod 536 to swing downwards to drive the second transmission block 537 and the second slider 5133 to slide downwards, when the fourth cam 51352 is in contact transmission with the fourth rotating rod 532, the third cam 51351 can be separated from the third rotating rod 531, and at this time, the fourth cam 51352 drives the fourth rotating rod 532 to rotate and drive the third rotating rod 531 to rotate reversely, so as to drive the fourth driving rod 533 to move downwards and drive the fifth driving rod 534 to swing downwards and further drive the second rotating shaft 535 to rotate reversely, and after the second rotating shaft 535 rotates reversely, the sixth driving rod 536 is driven to swing upwards and further drive the second driving block 537 and the second sliding block 5133 to slide upwards. Its purpose also is in order to make its stroke more accurate, can provide better mechanical cooperation for mechanical transmission error is littleer.

The flanging block 512 is fixedly arranged on the first sliding block 5132, and the first sliding block 5132 is slidably arranged on the second sliding block 5133 and slides along with the second sliding block 5133. When the second slider 5133 needs to slide upwards in order to enable the flanging block 512 to achieve the purpose of pressing the folded edge, the first slider 5132 slides forwards, so that the front end face of the flanging block 512 can be used for folding the facial tissue, and then when the second slider 5133 slides downwards, the first slider 5132 slides backwards from the front, so that the lower end face of the flanging block 512 can be used for fully pressing the facial tissue, and the purpose of edge covering is achieved.

The hemming mechanism 5 further comprises a pressing claw 514 for pre-pressing a paperboard, a third cam group 5136 for driving the pressing claw 514 to overturn is arranged on the driving shaft 5131, the third cam group 5136 is in transmission connection with the pressing claw 514 through a third connecting rod structure 54, the third cam group 5136 comprises a fifth cam 51361 for controlling the pressing claw 514 to rotate forwards and a sixth cam 51362 for controlling the pressing claw 514 to rotate backwards, the third connecting rod structure 54 comprises a fifth rotating rod 541 in transmission connection with the fifth cam 51361 and a sixth rotating rod 542 in transmission connection with the sixth cam 51362, the fifth rotating rod 541 and the sixth rotating rod 542 are fixedly matched and then in transmission connection with the pressing claw 514 through a seventh transmission rod 543, an eighth transmission rod 544, a third rotating shaft 545 and a ninth transmission rod 546 in sequence, the pressing claw 514 is fixedly arranged on the ninth transmission rod 546 and rotates along with the rotation of the ninth transmission rod 546, and when the fifth cam 51361 is in contact transmission with the fifth rotating rod 541, the fifth rotation rod 541 rotates forward to drive the seventh transmission rod 543 to move upward to drive the eighth transmission rod 544 to swing upward to drive the third rotation shaft 545 to rotate forward, the third rotation shaft 545 rotates forward to drive the ninth transmission rod 546 to rotate forward to drive the pressing claw 514 to rotate forward and press against the paper board, when the sixth cam 51361 is in contact transmission with the sixth rotation rod 542, the fifth cam 51361 is separated from the fifth rotation rod 541, at this time, the sixth cam 51362 drives the sixth rotation rod 542 to rotate and drive the fifth rotation rod 541 to rotate backward to drive the seventh transmission rod 543 to move downward to drive the eighth transmission rod 544 to swing downward to drive the third rotation shaft 545 to rotate backward, and after the third rotation shaft 545 rotates backward, the ninth transmission rod 546 is driven to rotate backward to drive the pressing claw 514 to rotate backward to leave the paper board.

The machine frame 1 is provided with a press roller mechanism 7, and the press roller mechanism 7 comprises at least one pair of vertically symmetrical press roller shaft sleeves 71 for extruding the paper board wrapping edges.

The position of the frame 1 corresponding to the edge covering mechanism 5 is provided with an ejection conveying belt 8 for conveying the paper board to the press roller mechanism 7 through the edge covering mechanism 5, and the ejection conveying belt 8 is provided with a first pushing block 81 which is convenient for pushing the paper board into the space between the press roller shaft sleeves 71 along the conveying direction of the ejection conveying belt 8.

The paper board positioning mechanism 2 comprises a second pushing block 21 arranged on the frame 1 in a sliding mode and used for pushing the paper boards to slide along the feeding direction of the feeding conveyor belt 31, and a position sensor 22 arranged on the second pushing block 21 and used for positioning the paper boards, wherein the position sensor 22 is preferably an infrared sensor.

The conveying mechanism 6 comprises a feeding plate 61 arranged on the frame 1 in a sliding manner, a support 62 and a second driving piece for driving the support 62 to slide up and down are arranged on the feeding plate 61, a plurality of grabbing pieces 63 for adsorbing the paper boards are fixedly arranged on the first support 62, and the grabbing pieces 63 preferably adopt suction nozzles.

The present invention is not limited to the above embodiments, and those skilled in the art can implement the present invention in other embodiments according to the disclosure of the present invention, or make simple changes or modifications on the design structure and idea of the present invention, and fall into the protection scope of the present invention.

Claims

1. The utility model provides a dog-ear device of borduring of covering machine which characterized in that: comprises a frame, a paperboard positioning mechanism, a feeding and conveying mechanism, a leveling and angle folding mechanism, an edge covering mechanism and a conveying mechanism for conveying the paperboard from the feeding and conveying mechanism to the edge covering mechanism are arranged on the frame, the feeding conveying mechanism comprises a feeding conveying belt and an adsorption component arranged at the lower end of the feeding conveying belt, a plurality of through holes convenient for the adsorption component to adsorb the paper board are arranged on the feeding conveyor belt, the leveling bevel mechanism is arranged at the upper end of the feeding conveyor belt, the leveling and angle folding mechanism comprises a leveling clamp which is arranged on the frame in a sliding way and is used for clamping and positioning the paper board and a plurality of angle folding blocks which are arranged on the leveling clamp in a sliding way and are used for folding the edge of the paper board after the paper board is covered for the first time, the sliding direction of the leveling fixture is perpendicular to the conveying direction of the feeding conveying belt, and the sliding direction of the corner block is consistent with that of the leveling fixture.

2. The dog-ear hemming device of a covering machine according to claim 1, characterized in that: flattening dog is still including the first driving band that is used for driving flattening anchor clamps slip centre gripping, first driving band is including the upper band that is located the top and the lower band that is located the below, flattening anchor clamps are including dividing first grip block and the second grip block of establishing at the cardboard both ends, first grip block is fixed to be set up the upper band at first driving band, the fixed lower band that sets up at first driving band of second grip block, a plurality of angle pieces divide and establish on first grip block and the second grip block.

3. The dog-ear hemming device of a covering machine according to claim 2, wherein: the first clamping block and the second clamping block are both provided with first driving pieces used for driving the angle forming blocks to slide, and the angle forming blocks are rotating wheels capable of rotating in one direction.

4. The bevel hemming device of a covering machine according to claim 1, 2 or 3, wherein: the hemming mechanism comprises a pair of hemming seats which are symmetrically arranged, wherein limiting blocks used for limiting paperboards, hemming blocks used for folding and hemming the facial tissues and driving assemblies used for driving the hemming blocks to abut against and press the hemming edges and folding edges are arranged on the hemming seats and matched with the limiting blocks.

5. The dog-ear hemming device of a covering machine according to claim 4, wherein: the driving assembly comprises a driving shaft, a first sliding block, a second sliding block, a first cam group and a second cam group, wherein the first cam group and the second cam group are coaxially arranged on the driving shaft and used for driving the first sliding block to slide back and forth, the second cam group is used for driving the second sliding block to slide up and down, the first cam group is in transmission connection with the first sliding block through a first connecting rod structure, the second cam group is in transmission connection with the second sliding block through a second connecting rod structure, the flanging block is fixedly arranged on the first sliding block, and the first sliding block is arranged on the second sliding block in a sliding mode and slides along with the second sliding block.

6. The bevel edge covering device of a covering machine as claimed in claim 5, characterized in that: the edge covering mechanism further comprises a pressing claw for pre-pressing the paper board, a third cam group for driving the pressing claw to overturn is arranged on the driving shaft, and the third cam group is in transmission connection with the pressing claw through a third connecting rod structure.

7. The bevel hemming device of a covering machine according to claim 1, 2, 3, 5 or 6, wherein: the machine frame is provided with a press roller mechanism, and the press roller mechanism comprises at least one pair of vertically symmetrical press roller shaft sleeves for extruding the paper board wrapping edges.

8. The dog-ear hemming device of a covering machine according to claim 7, wherein: the position of the frame corresponding to the edge covering mechanism is provided with a discharge conveyor belt used for conveying the paper board to the compression roller mechanism through the edge covering mechanism, and a first push block convenient for pushing the paper board into the space between the compression roller shaft sleeves along the conveying direction of the discharge conveyor belt is arranged on the discharge conveyor belt.

9. The dog-ear hemming device of a covering machine according to claim 1, characterized in that: the paperboard positioning mechanism comprises a second pushing block which is arranged on the rack in a sliding mode and used for pushing the paperboard to slide along the feeding direction of the feeding conveyor belt, and a position sensor which is arranged on the second pushing block and used for positioning the paperboard.

10. The bevel hemming device of a covering machine according to claim 1 or 9, wherein: the conveying mechanism comprises a feeding plate arranged on the rack in a sliding mode, a support and a second driving piece used for driving the support to slide up and down are arranged on the feeding plate, and a plurality of grabbing pieces used for adsorbing paperboards are fixedly arranged on the first support.