CN114434866A - Bending device for packaging paperboard - Google Patents
Bending device for packaging paperboard Download PDFInfo
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- CN114434866A CN114434866A CN202111579313.3A CN202111579313A CN114434866A CN 114434866 A CN114434866 A CN 114434866A CN 202111579313 A CN202111579313 A CN 202111579313A CN 114434866 A CN114434866 A CN 114434866A
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- 238000005452 bending Methods 0.000 title claims abstract description 140
- 239000011087 paperboard Substances 0.000 title claims abstract description 30
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 22
- 230000007306 turnover Effects 0.000 claims abstract description 49
- 239000011111 cardboard Substances 0.000 claims abstract description 44
- 230000007246 mechanism Effects 0.000 claims abstract description 44
- 238000003825 pressing Methods 0.000 claims description 28
- 230000003139 buffering effect Effects 0.000 claims description 24
- 230000008093 supporting effect Effects 0.000 claims description 21
- 238000009434 installation Methods 0.000 claims description 16
- 230000000149 penetrating effect Effects 0.000 claims description 8
- 244000208734 Pisonia aculeata Species 0.000 abstract description 19
- 238000000034 method Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 8
- 238000007599 discharging Methods 0.000 abstract description 2
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 239000000123 paper Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Classifications
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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
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
- B31B50/26—Folding sheets, blanks or webs
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Abstract
The invention relates to the technical field of packaging paper boards, in particular to a bending device for a packaging paper board. It has solved the current device and has not been convenient for realize the problem of buckling and the ejection of compact of cardboard in same process. It includes base, bender, mounting bracket, the board of bending, cam mechanism, tilting mechanism and returning face plate, drives the returning face plate through tilting mechanism and supports the bender earlier then make the bender merge with the board of bending, is equipped with the back-pull subassembly between returning face plate and the bender, drives the bender through the back-pull subassembly when the bender is kept away from to the returning face plate and is close to the one end of turning over the mouth and overturn downwards. According to the invention, the end, close to the turnover opening, of the bending die is driven to turn downwards by the pull-back assembly, so that the processed paperboard can be poured out conveniently, the processing of the paperboard can be realized automatically, the bending and discharging of the paperboard can be realized in the same procedure, the circular processing is convenient, the structure is ingenious, and the processing effect of the paperboard is obviously improved.
Description
Technical Field
The invention relates to the technical field of packaging paper boards, in particular to a bending device for a packaging paper board.
Background
Corrugated paper boards are made into corrugated paper boxes through die cutting, indentation, box nailing or box gluing, the corrugated paper boxes are the most widely used packaging products, the use amount of the corrugated paper boxes is always the first of various packaging products, including calcium plastic corrugated paper boxes, and the corrugated paper boxes gradually replace transport packaging containers such as wooden boxes and the like with excellent use performance and good processing performance and become the leading force of transport packaging. It not only protects the goods, is convenient for storage and transportation, but also beautifies the goods and publicizes the goods. The corrugated case belongs to green environmental protection product, and it does benefit to the environmental protection, does benefit to the loading and unloading transportation.
Corrugated box is made by corrugated container board, need bend corrugated container board when corrugated container box shaping, mainly bend it with the help of the bender among the prior art, because current device is not convenient for realize the bending and the ejection of compact of cardboard in same process, take out corrugated container board from the bender through the manual work after bending, the whole operation is comparatively troublesome, has reduced production efficiency.
Disclosure of Invention
The invention provides a bending device for packaging paperboards, wherein one end of a bending die close to a bending opening is driven to turn downwards through a pull-back assembly, so that the processed paperboards are convenient to pour out, the processing of the paperboards is automatically realized, the bending and discharging of the paperboards can be realized in the same procedure, the circular processing is convenient, the structure is ingenious, and the processing effect of the paperboards is obviously improved.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a bending device for packaging paperboard, includes the base, it has the bender to articulate on the base, it turns over a mouthful to have seted up on the base, the top that turns over a mouthful runs through to the one end department of bender, be equipped with the mounting bracket on the base, be equipped with the board of bending on the mounting bracket, be equipped with the cam mechanism that is used for driving the board of bending downstream between mounting bracket and the board of bending, still be equipped with tilting mechanism on mounting bracket and the base, the last returning face plate that is equipped with of tilting mechanism drives the returning face plate earlier to support then make the bender merge with the board of bending through tilting mechanism, be equipped with the back pull subassembly between returning face plate and the bender, work as when the returning face plate was kept away from the bender, drive the one end that the bender was close to the mouth of turning over through the back pull subassembly and overturn downwards.
When the cardboard is buckled, the cardboard of will waiting to buckle is placed on the bender, then through cam mechanism drive bending plate downstream, before the bender merges with the bending plate, drive the earlier fifty percent discount bending die of returning the returning face plate through tilting mechanism and support, after the cardboard realizes the processing of buckling, drive the one end downward upset that the bender is close to the mouth of turning over through the subassembly of drawing back, be convenient for pour the cardboard after processing, the automatic processing that realizes the cardboard, can realize the buckle and the ejection of compact of cardboard in same process, the cycle processing of being convenient for, and the structure is ingenious, show the result of processing that promotes the cardboard.
Furthermore, a connector is arranged on the mounting rack, the cam mechanism comprises a cam body, a servo motor, a connecting column, a guide block, a pressing block and a return spring, the servo motor is arranged on the connecting body, an output shaft on the servo motor is coaxially and fixedly connected with the cam body, the connecting column and the guide block are arranged in parallel and are arranged on the connecting body, the pressing block is arranged on the bending plate, the pressing block is in sliding fit with the guide block on the connecting column, a supporting plate is arranged between the connecting column and the bottom of the guide block, the reset spring is sleeved on the connecting column, the bottom end of the reset spring is fixedly connected with the supporting plate, the top end of the reset spring is fixedly connected with the pressing block, when the upper protruding part of the cam is positioned at the topmost end, the pressing block is driven by the return spring to support the bending plate, and when the upper protruding part of the cam is positioned at the bottommost end, the pressing block is pressed, and the bending die and the bending plate are combined.
Drive the cam through servo motor and rotate, it presses the briquetting to drive the cam extrusion, move through the guide block and lead to pressing the removal of briquetting, be convenient for improve the stability of movement according to the briquetting, when cam turned angle is ninety degrees, press the briquetting by cam drive, reset spring compresses, protruding portion on the cam supports and leans on pressing the briquetting, drive the board of bending and merge with the bender, realize that the cardboard buckles, after the cardboard is buckled, drive ninety degrees of cam reversal through servo motor once more, reset spring's effect is driven down and is pressed briquetting rebound, be convenient for make the board of bending be located initial position.
Further, the turnover mechanism comprises an upper support, a lower support, a first connecting rod, a second connecting rod, a first sliding block, a buffer strip, a pressure-relieving spring and a second sliding block, the upper support is fixedly connected with the mounting rack, the first sliding block is longitudinally and slidably connected with the upper support, one end of the first connecting rod is hinged with the protruding part of the cam body, the other end of the second connecting rod is hinged with the first sliding block, the second connecting rod is connected between the first sliding block and the second sliding block, the buffer strip is longitudinally connected on the second sliding block in a sliding manner, the bottom end of the pressure relief spring acts on the buffer strip, the top end of the pressure relief spring acts on the second sliding block, the turnover plate is hinged on a lower support, the lower support is positioned between the cam body and the first sliding block, one end of the buffer strip is rotatably connected to the turnover plate and can move towards the bending plate, and the distance between the bottom end of the buffer strip and the base is equal to the distance between the bottom end of the turnover plate and the bending die.
In the rotating process of the protruding part on the cam, the first connecting rod is driven to rotate and drive the first sliding block to slide in the first sliding groove, the second connecting rod drives the second sliding block to longitudinally move, when the turnover plate acts on the bending die, the bottom end of the buffer strip abuts against the base, the buffer compression spring is compressed, the turnover plate is supported through the buffer compression spring, the cam continuously rotates in the same direction and drives the protruding part to extrude the bending plate, when the cam rotates ninety degrees, the bending die and the bending plate are combined to realize bending, the first pressing and then bending of the paperboard to be bent are realized, and the support stability of the support plate is conveniently ensured; through the cam mechanism who sets up, cam portion only need rotate ninety degrees and can realize the processing of buckling to the cardboard, avoids the cam to rotate 360, leads to tilting mechanism's structure more complicated, effectively reduces occupation space, simplifies the operation of buckling.
Furthermore, a first sliding groove extending longitudinally is formed in the upper support, the first sliding block is in sliding fit with the second sliding groove, and the length of the first sliding groove is larger than the distance between the bottom end of the buffer strip and the base.
Furthermore, a second sliding groove is formed in the second sliding block, the second sliding groove is parallel to the first sliding groove, a rod penetrating hole is formed in the bottom end of the second sliding groove, the buffering strip penetrates through the rod penetrating hole, the top end of the buffering strip is in sliding fit with the second sliding groove, the top end of the pressure-relieving spring acts on the top surface of the second sliding groove, and the bottom end of the pressure-relieving spring acts on the top end of the buffering strip.
When first slider removed, drive the second slider through the second connecting rod and remove, when the buffering strip did not contact the base, the buffering strip hangs on the second slider, is convenient for guarantee the installation stability of buffering strip, when the buffering strip contacts the base, slowly presses the spring compression.
Furthermore, a moving groove is formed in the turnover plate, the extending direction of the moving groove passes through the rotating center of the turnover plate, a rotating rod is arranged on the buffer strip, and the rotating rod is in rotating fit in the moving groove.
When the second sliding block moves, the rotating rod is driven to slide in the moving groove, a horizontal movable abdicating space of the rotating rod is provided through the moving groove, the longitudinal movement of the rotating rod is ensured through the abdicating space, the rotating rod is driven to longitudinally move when the second sliding block longitudinally slides, and the turnover plate is driven to rotate; through the cam mechanism who sets up, when the cam is in initial condition, the dwang is located the tip department of shifting chute, it removes to shifting chute other end department to drive the dwang through above-mentioned tilting mechanism during the cam rotates, cam portion only need rotate ninety degrees and can realize the processing of buckling to the cardboard, avoid the cam to rotate the setting of 360 time delay shifting chutes, and the upset angle of the first connecting rod of direct influence can be when this cam rotates, if the position that sets up of extension shifting chute, can shorten the distance between first slider and the cam and lengthen this pivoted arm of force, the removal effect of the first slider of easy apparent reduction, the easy returning face plate pauses in rotating, not only make tilting mechanism's structure more complicated, effectively reduce occupation space, still reduce the rotational stability and the smooth and easy degree of upset of returning face plate, be unfavorable for simplifying the operation of buckling.
Furthermore, one end of the turnover plate close to the bending die is provided with a bending part which is bent downwards, and the top end of the bending part is of an arc-shaped structure.
Furthermore, the pull-back assembly comprises an arc-shaped pull-back groove, an installation cavity and a pull-back rod, the pull-back groove is formed in the top end of the bending portion, a supporting ball body is arranged at the bottom end of the pull-back rod and is hinged in the pull-back groove in a spherical manner, the installation cavity is of a fan-ring structure and is formed in the bottom of the bending die, the installation cavity extends in a direction perpendicular to the pull-back groove, a first pull groove and a second pull groove which extend in a tangential direction are respectively formed in two ends of the installation cavity, the second pull groove is longitudinally arranged and penetrates through the bottom surface of the bending die, the second pull groove extends in a direction parallel to the bending die, a connecting port is formed in the bottom surface of the bending die, the connecting port penetrates through the installation cavity, the width of the connecting port is smaller than that of the installation cavity, a supporting rod is arranged at the top end of the pull-back rod, the supporting rod is slidably fitted in the installation cavity, and the pull-back rod penetrates through the connecting port, when the top surface of the turnover plate is abutted against the bottom surface of the bending die, the supporting rod is positioned in the second pull groove.
Drive the bender through the subassembly of pulling back and be close to the one end of turning over the mouth and overturn downwards, be convenient for pour the cardboard after processing, the automatic processing that realizes the cardboard can realize the bending of cardboard and the ejection of compact in same process, and the circulation of being convenient for is processed, and the structure is ingenious, is showing the processing effect that promotes the cardboard.
The invention has the beneficial effects that:
1. when the cardboard is buckled, the cardboard of will waiting to buckle is placed on the bender, then through cam mechanism drive bending plate downstream, before the bender merges with the bending plate, drive the earlier fifty percent discount bending die of returning the returning face plate through tilting mechanism and support, after the cardboard realizes the processing of buckling, drive the one end downward upset that the bender is close to the mouth of turning over through the subassembly of drawing back, be convenient for pour the cardboard after processing, the automatic processing that realizes the cardboard, can realize the buckle and the ejection of compact of cardboard in same process, the cycle processing of being convenient for, and the structure is ingenious, show the result of processing that promotes the cardboard.
2. Drive the bender through the subassembly of pulling back and be close to the one end upset downwards that turns over the mouth, be convenient for pour the cardboard after processing, the automatic processing that realizes the cardboard can realize buckling and the ejection of compact of cardboard in same process, the circulation processing of being convenient for, and the structure is ingenious, is showing the processing effect that promotes the cardboard.
3. The turnover plate is supported through the pressure-relieving spring, the cam continues to rotate in the same direction to drive the protruding part to extrude the bending plate, when the cam rotates ninety degrees, the bending die and the bending plate are combined to realize bending, the first pressing and then bending of the paperboard to be bent are realized, and the support stability of the supporting plate is conveniently ensured; through the cam mechanism who sets up, cam portion only need rotate ninety degrees and can realize the processing of buckling to the cardboard, avoids the cam to rotate 360, leads to tilting mechanism's structure more complicated, effectively reduces occupation space, simplifies the operation of buckling.
Drawings
FIG. 1 is a schematic structural view of the bending apparatus for packaging paperboard;
FIG. 2 is an enlarged view taken at A in FIG. 1;
FIG. 3 is a schematic view of a cam mechanism;
FIG. 4 is a schematic structural diagram of the turnover mechanism;
FIG. 5 is a schematic view of a partial structure of the turnover mechanism;
FIG. 6 is a schematic view of a portion of the retraction assembly;
FIG. 7 is a structural cross-sectional view of the pullback assembly;
FIG. 8 is a schematic structural view of the roll-over panel;
description of reference numerals:
1. a base; 2. bending a die; 3. turning over the folding opening; 4. a mounting frame; 5. bending the plate; 6. a cam mechanism; 61. a cam body; 62. a servo motor; 63. connecting columns; 64. a guide block; 65. a pressing block; 66. a return spring; 7. a turnover mechanism; 71. an upper support; 72. a lower support; 73. a first link; 74. a second link; 75. a first slider; 76. a buffer strip; 761. rotating the rod; 77. a pressure relief spring; 78. a second slider; 8. a turnover plate; 9. a pullback assembly; 91. a pull-back groove; 92. a mounting cavity; 921. a first pull groove; 922. a second pull groove; 93. the pull rod is pulled back; 931. a branch sphere body; 932. a strut; 10. a linker; 11. a support plate; 12. a first chute; 13. a second chute; 14. a rod penetrating port; 15. a moving groove; 16. a bending part; 17. and (7) connecting ports.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.
As shown in figures 1-8, a bending device for packaging paper boards comprises a base 1, a bending die 2 is hinged on the base 1, a bending opening 3 is formed in the base 1, the top end of the bending opening 3 penetrates to one end of the bending die 2, a mounting frame 4 is arranged on the base 1, a bending plate 5 is arranged on the mounting frame 4, a cam mechanism 6 for driving the bending plate 5 to move downwards is arranged between the mounting frame 4 and the bending plate 5, a turnover mechanism 7 is further arranged on the mounting frame 4 and the base 1, a turnover plate 8 is arranged on the turnover mechanism 7, the turnover mechanism 7 drives the turnover plate 8 to firstly support the bending die 2, then the bending die 2 is combined with the bending plate 5, a pull-back assembly 9 is arranged between the turnover plate 8 and the bending die 2, when the turnover plate 8 is far away from the bending die 2, the end of the bending die 2 close to the turnover port 3 is driven to turn downwards through the pull-back component 9.
As shown in fig. 1-8, when the cardboard is buckled, the cardboard to be buckled is placed on bending die 2, then through the downward motion of cam mechanism 6 drive bending die 5, before bending die 2 merges with bending die 5, drive turning plate 8 through tilting mechanism 7 and support bending die 2 earlier, after the cardboard realizes the processing of buckling, drive bending die 2 through back-pull subassembly 9 and be close to the one end of turning over a mouthful 3 and overturn downwards, be convenient for pour out the cardboard after the processing, the processing of cardboard is realized in the automation, can realize the bending and the ejection of compact of cardboard in same process, the circulation processing of being convenient for, and the structure is ingenious, show the result of processing that promotes the cardboard.
As shown in fig. 3 and 4, further, a connector 10 is disposed on the mounting frame 4, the cam mechanism 6 includes a cam body 61, a servo motor 62, a connecting post 63, a guide block 64, a pressing block 65 and a return spring 66, the servo motor 62 is disposed on the connector 10, an output shaft of the servo motor 62 is coaxially and fixedly connected with the cam body 61, the connecting post 63 and the guide block 64 are disposed in parallel and are all disposed on the connector 10, the pressing block 65 is disposed on the bending plate 5, the pressing block 65 is slidably fitted on the guide block 64 on the connecting post 63, a support plate 11 is disposed between the connecting post 63 and the bottom of the guide block 64, the return spring 66 is sleeved on the connecting post 63, the bottom end of the return spring 66 is fixedly connected with the support plate 11, the top end of the return spring 66 is fixedly connected with the pressing block 65, the pressing block 65 is driven to support the bending plate 5 by the pressing block 65 when the protruding portion on the cam is located at the topmost end, the protruding portion on the cam is used for pressing the block 65 and combining the bending die 2 with the bending plate 5.
Drive the cam through servo motor 62 and rotate, it presses down piece 65 to drive the cam extrusion, move through guide block 64 to pressing down piece 65 and lead, be convenient for improve the stability of movement of pressing down piece 65, when cam turned angle is ninety degrees, press down piece 65 by cam drive, reset spring 66 compresses, protruding portion on the cam supports and leans on in pressing down piece 65, it merges with bending die 2 to drive bending plate 5, realize that the cardboard buckles, after the cardboard buckles, drive ninety degrees of cam reversal through servo motor 62 once more, reset spring 66's effect is driven down and is pressed down piece 65 rebound, be convenient for make bending plate 5 be located initial position.
As shown in fig. 4, 5 and 8, further, the turnover mechanism 7 includes an upper support 71, a lower support 72, a first link 73, a second link 74, a first slider 75, a buffer strip 76, a pressure-reducing spring 77 and a second slider 78, the upper support 71 is fixedly connected to the mounting frame 4, the first slider 75 is longitudinally slidably connected to the upper support 71, one end of the first link 73 is hinged to the protruding portion of the cam body 61, the other end of the second link 74 is hinged to the first slider 75, the second link 74 is connected between the first slider 75 and the second slider 78, the buffer strip 76 is longitudinally slidably connected to the second slider 78, the bottom end of the pressure-reducing spring 77 acts on the buffer strip 76, the top end of the pressure-reducing spring 77 acts on the second slider 78, the turnover plate 8 is hinged to the lower support 72, the lower support 72 is located between the cam body 61 and the first slider 75, one end of the buffer strip 76 is rotatably connected to the turnover plate 8 and can move towards the bending plate 5, the distance between the bottom end of the buffer strip 76 and the base 1 is equal to the distance between the bottom end of the turnover plate 8 and the bending die 2.
As shown in fig. 4, 5, and 6, a first sliding slot 12 extending longitudinally is further formed in the upper support 71, the first sliding block 75 is slidably fitted in the second sliding slot 13, and the length of the first sliding slot 12 is greater than the distance between the bottom end of the buffering strip 76 and the base 1.
As shown in fig. 4, 5, and 6, in the process of rotating the protruding portion on the cam, the first link 73 is driven to rotate, and the first slider 75 is driven to slide in the first chute 12, the second link 74 drives the second slider 78 to move longitudinally, when the roll-over plate 8 acts on the bending die 2, the bottom end of the buffer strip 76 abuts against the base 1, the slow compression spring 77 compresses, the roll-over plate 8 is supported by the slow compression spring 77, the cam continues to rotate in the same direction, the protruding portion is driven to extrude the bending plate 5, when the cam rotates ninety degrees, the bending die 2 and the bending plate 5 are combined to realize bending, so that the paper board to be bent is bent after being pressed first, and the support stability of the supporting plate is ensured; through the cam mechanism 6 that sets up, the bending processing to the cardboard can be realized to cam portion only need rotate ninety degrees, avoids the cam to rotate 360, leads to tilting mechanism 7's structure more complicated, effectively reduces occupation space, simplifies the operation of buckling.
As shown in fig. 4, 5, and 6, the second slider 78 is provided with a second sliding slot 13, the second sliding slot 13 is parallel to the first sliding slot 12, the bottom end of the second sliding slot 13 is provided with a rod penetrating port 14, the buffering strip 76 is inserted into the rod penetrating port 14, the top end of the buffering strip 76 is slidably fitted into the second sliding slot 13, the top end of the pressure-reducing spring 77 acts on the top surface of the second sliding slot 13, and the bottom end of the pressure-reducing spring 77 acts on the top end of the buffering strip 76.
As shown in fig. 4, 5, and 7, during specific work, two ends of the second connecting rod 74 are fixedly connected to the second slider 78 and the second slider 78 respectively, so that the first slider and the second slider can keep vertical synchronous movement, when the first slider 75 moves, the second connecting rod 74 drives the second slider 78 to move, when the buffering strip 76 is not in contact with the base 1, the buffering strip 76 is suspended on the second slider 78, so as to ensure the installation stability of the buffering strip 76, and when the buffering strip 76 is in contact with the base 1, the buffering spring 77 is compressed.
Furthermore, the turning plate 8 is provided with a moving groove 15, the extending direction of the moving groove 15 passes through the rotation center of the turning plate 8, the buffer strip 76 is provided with a rotating rod 761, and the rotating rod 761 is in rotating fit with the moving groove 15.
As shown in fig. 1, 4, 5, and 6, when the second slider 78 moves, the rotating rod 761 is driven to slide in the moving groove 15, a horizontal movable abdicating space for the rotating rod 761 is provided by the moving groove 15, and the abdicating space ensures the longitudinal movement of the rotating rod 761, so that when the second slider 78 slides longitudinally, the rotating rod 761 is driven to move longitudinally, and the turning plate 8 is driven to rotate; through the arranged cam mechanism 6, when the cam is in an initial state, the rotating rod 761 is positioned at the end part of the moving groove 15, when the cam rotates, the rotating rod 761 is driven by the turnover mechanism 7 to move towards the other end part of the moving groove 15, the cam part can realize the bending processing of the paperboard by only rotating ninety degrees, the arrangement of the moving groove 15 is prevented from being prolonged when the cam rotates 360 degrees, and this cam can direct influence the rotation angle of first connecting rod 73 when rotating, if the setting position of extension shifting chute 15, can shorten the distance between first slider 75 and the cam and lengthen this pivoted arm of force, easily show the removal effect that reduces first slider 75, easy returning face plate 8 pauses in rotating, not only make tilting mechanism 7's structure more complicated, effectively reduce occupation space, still reduce the rotational stability and the smooth and easy degree of upset of returning face plate 8, be unfavorable for simplifying the operation of buckling.
As shown in fig. 6, 7 and 8, further, one end of the turning plate 8 near the bending die 2 has a bending portion 16 bending downward, the top end of the bending portion 16 is arc-shaped, the pulling-back assembly 9 includes an arc-shaped pulling-back groove 91, a mounting cavity 92 and a pulling-back rod 93, the pulling-back groove 91 is opened at the top end of the bending portion 16, the bottom end of the pulling-back rod 93 has a supporting ball 931, the supporting ball 931 is ball-hinged in the pulling-back groove 91, the mounting cavity 92 is fan-ring-shaped and is opened at the bottom of the bending die 2, the mounting cavity 92 extends along a direction perpendicular to the pulling-back groove 91, the two ends of the mounting cavity 92 respectively have a first pulling groove 921 and a second pulling groove 922 extending along a tangential direction, the second pulling groove 922 is longitudinally arranged and penetrates to the bottom surface of the bending die 2, the second pulling groove 922 extends along a direction parallel to the bending die 2, the bottom surface of the bending die 2 is provided with a connecting port 17, the connecting port 17 penetrates through the mounting cavity 92, the width of connector 17 is less than the width of installation cavity 92, and the top of pull back rod 93 has branch 932, and branch 932 sliding fit is in installation cavity 92, and pull back rod 93 wears to locate in connector 17, and branch 932 is located second draw groove 922 when the top surface of returning face plate 8 and the bottom surface butt of bender 2.
Through the arranged bending part 16, the phenomenon that the middle part of the turnover plate 8 collides with the bending die 2 when the turnover plate 8 rotates, so that the top surface of the turnover plate 8 cannot contact with the bending die 2 is avoided, and the top surface of the turnover plate 8 can be ensured to be in effective contact with the bending die 2; when the bending die 2 on the turnover plate 8 approaches, the motion track of the turnover plate 8 is annular, the support ball 931 is driven to slide in the pull-back groove 91, the support rod 932 is driven to slide into the second pull groove 922 after passing through the first pull groove 921 and the installation cavity 92 respectively, when the protruding part on the cam rotates to the lowest position, the support rod 932 slides into the second pull groove 922, the top surface of the turnover plate 8 is abutted to the bottom surface of the bending die 2, and at the moment, the turnover plate 8 and the bending die 2 are kept in a horizontal placement state; the longitudinal distance of the upper bending part 16 of the turnover plate 8 is greater than the longitudinal height of the installation cavity 92, so that when the supporting ball 931 slides in the pull-back groove 91, the supporting rod 932 can smoothly slide into the second pull groove 922; the turnover plate 8 is supported by the pressure-relieving spring 77, so that the supporting effect on the turnover plate 8 is effectively improved; when the cam body 61 rotates, the second turnover plate 8 drives the supporting rod 932 to move downwards through the supporting rod 931, the bending die 2 is pulled downwards through the supporting rod 932, the second pull groove 922 inclines, and the supporting rod 932 is hinged in the pull-back groove 91 in a spherical manner, so that the supporting rod 932 is ensured to slide smoothly in the connecting port 17, the supporting rod 932 falls back into the first pull groove 921 along the second pull groove 922 and the mounting cavity 92, and the turnover plate 8 is moved to the initial rotation position of the cam body 61 conveniently; drive bender 2 through back pull 9 and be close to the one end upset downwards that turns over folding mouth 3, be convenient for pour out the cardboard after processing, the automatic processing that realizes the cardboard can realize the bending of cardboard and the ejection of compact in same process, the circulation processing of being convenient for, and the structure is ingenious, is showing the result of processing that promotes the cardboard.
All the technical features in the embodiment can be freely combined according to actual needs.
The above embodiments are preferred implementations of the present invention, and other implementations are also included, and any obvious substitutions are within the scope of the present invention without departing from the spirit of the present invention.
Claims (8)
1. A bending device for packaging paperboards comprises a base (1), wherein a bending die (2) is hinged on the base (1), a bending opening (3) is formed in the base (1), the top end of the bending opening (3) penetrates to one end of the bending die (2), the bending device is characterized in that a mounting frame (4) is arranged on the base (1), a bending plate (5) is arranged on the mounting frame (4), a cam mechanism (6) used for driving the bending plate (5) to move downwards is arranged between the mounting frame (4) and the bending plate (5), a turnover mechanism (7) is further arranged on the mounting frame (4) and the base (1), a turnover plate (8) is arranged on the turnover mechanism (7), the turnover plate (8) is driven by the turnover mechanism (7) to firstly fold the bending die (2) for supporting, and then the bending die (2) and the bending plate (5) are combined, be equipped with back pull assembly (9) between returning face plate (8) and bender (2), work as when returning face plate (8) keep away from bender (2) when driving bender (2) through back pull assembly (9) and being close to the one end of turning over a mouthful (3) and overturn downwards.
2. The bending device for packaging paperboards according to claim 1, wherein the mounting frame (4) is provided with a connector (10), the cam mechanism (6) comprises a cam body (61), a servo motor (62), a connecting column (63), a guide block (64), a pressing block (65) and a return spring (66), the servo motor (62) is arranged on the connector (10), an upper output shaft of the servo motor (62) is coaxially and fixedly connected with the cam body (61), the connecting column (63) and the guide block (64) are arranged in parallel and are arranged on the connector (10), the pressing block (65) is arranged on the bending plate (5), the pressing block (65) is in sliding fit with the guide block (64) on the connecting column (63), a support plate (11) is arranged between the connecting column (63) and the bottom of the guide block (64), and the return spring (66) is sleeved on the connecting column (63), the bottom end of the reset spring (66) is fixedly connected with the supporting plate (11), the top end of the reset spring (66) is fixedly connected with the pressing block (65), when the protruding portion on the cam is located at the topmost end, the pressing block (65) is driven to support the bending plate (5) through the reset spring (66), and when the protruding portion on the cam is located at the bottommost end, the pressing block (65) is extruded and pressed, and the bending die (2) is combined with the bending plate (5).
3. The bending device for packaging paperboards according to claim 2, wherein the turnover mechanism (7) comprises an upper support (71), a lower support (72), a first connecting rod (73), a second connecting rod (74), a first sliding block (75), a buffering strip (76), a slow-pressure spring (77) and a second sliding block (78), the upper support (71) is fixedly connected to the mounting frame (4), the first sliding block (75) is longitudinally and slidably connected to the upper support (71), one end of the first connecting rod (73) is hinged to the protruding part of the cam body (61), the other end of the second connecting rod (74) is hinged to the first sliding block (75), the second connecting rod (74) is connected between the first sliding block (75) and the second sliding block (78), the buffering strip (76) is longitudinally and slidably connected to the second sliding block (78), and the bottom end of the slow-pressure spring (77) acts on the buffering strip (76), the top of slow-pressing spring (77) acts on second slider (78), returning face plate (8) articulate on undersetting (72), undersetting (72) are located between cam body (61) and first slider (75), the one end of buffering strip (76) is rotated and is connected on returning face plate (8) and can be removed to bending plate (5), the bottom of buffering strip (76) and the distance of base (1) equal the distance between the bottom of returning face plate (8) and bending die (2).
4. A bending device for packaging paper boards according to claim 3, wherein the upper support (71) is provided with a first sliding groove (12) extending longitudinally, the first sliding block (75) is in sliding fit with the second sliding groove (13), and the length of the first sliding groove (12) is greater than the distance between the bottom end of the buffer strip (76) and the base (1).
5. The bending device for the packaging paperboard according to claim 3, wherein a second sliding groove (13) is formed in the second sliding block (78), the second sliding groove (13) is parallel to the first sliding groove (12), a rod penetrating opening (14) is formed in the bottom end of the second sliding groove (13), the buffering strip (76) is arranged in the rod penetrating opening (14) in a penetrating mode, the top end of the buffering strip (76) is in sliding fit with the second sliding groove (13), the top end of the slow pressure spring (77) acts on the top surface of the second sliding groove (13), and the bottom end of the slow pressure spring (77) acts on the top end of the buffering strip (76).
6. The bending apparatus for packaging paperboard according to claim 3, wherein the turning plate (8) is formed with a moving slot (15), the moving slot (15) extends through the center of rotation of the turning plate (8), the buffer strip (76) is provided with a rotating rod (761), and the rotating rod (761) is rotatably fitted in the moving slot (15).
7. Bending device for packaging cardboard according to claim 1, characterized in that the end of the flap (8) near the bender (2) has a bend (16) bent downwards, the top end of the bend (16) having an arc-shaped configuration.
8. The bending apparatus for packaging paperboard according to claim 7, wherein the drawing back assembly (9) comprises a drawing back groove (91) having an arc shape, a mounting cavity (92), and a drawing back rod (93), the drawing back groove (91) is opened at the top end of the bending part (16), the drawing back rod (93) has a bottom end provided with a fulcrum body (931), the fulcrum body (931) is ball-hinged in the drawing back groove (91), the mounting cavity (92) has a fan-ring structure and is opened at the bottom of the bender (2), the mounting cavity (92) extends in a direction perpendicular to the drawing back groove (91), both ends of the mounting cavity (92) are respectively provided with a first drawing groove (921) and a second drawing groove (922) extending in a tangential direction, the second drawing groove (922) is longitudinally disposed and penetrates to the bottom surface of the bender (2), and the second drawing groove (922) extends in a direction parallel to the bender (2), connector (17) have been seted up to the bottom surface of bender (2), installation cavity (92) are run through to connector (17), the width of connector (17) is less than the width of installation cavity (92), the top of pull rod (93) has branch (932), branch (932) sliding fit is in installation cavity (92), pull rod (93) wear to locate in connector (17), work as branch (932) are located second pull groove (922) when the bottom surface butt of the top surface of returning face plate (8) and bender (2).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111579313.3A CN114434866B (en) | 2021-12-22 | 2021-12-22 | Bending device for packaging paperboard |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111579313.3A CN114434866B (en) | 2021-12-22 | 2021-12-22 | Bending device for packaging paperboard |
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| CN114434866A true CN114434866A (en) | 2022-05-06 |
| CN114434866B CN114434866B (en) | 2024-10-11 |
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| CN214927505U (en) * | 2021-06-30 | 2021-11-30 | 云南祥宇印务有限公司 | Resistance to compression corrugated box folding device |
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| JPH06305058A (en) * | 1993-04-26 | 1994-11-01 | Toyo Suisan Kaisha Ltd | Machine for setting up collapsed cardboard box |
| CN207172851U (en) * | 2017-09-15 | 2018-04-03 | 马鞍山市康辉纸箱纸品有限公司 | A kind of corrugated case stick box crimping unit |
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| CN114434866B (en) | 2024-10-11 |
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