CN114434866B - Bending device for packaging paperboard - Google Patents
Bending device for packaging paperboard Download PDFInfo
- Publication number
- CN114434866B CN114434866B CN202111579313.3A CN202111579313A CN114434866B CN 114434866 B CN114434866 B CN 114434866B CN 202111579313 A CN202111579313 A CN 202111579313A CN 114434866 B CN114434866 B CN 114434866B
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- bending
- pull
- plate
- groove
- turnover
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- 238000005452 bending Methods 0.000 title claims abstract description 165
- 239000011087 paperboard Substances 0.000 title claims abstract description 59
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 15
- 230000007306 turnover Effects 0.000 claims abstract description 73
- 244000208734 Pisonia aculeata Species 0.000 claims abstract description 30
- 238000003825 pressing Methods 0.000 claims description 29
- 230000008093 supporting effect Effects 0.000 claims description 26
- 238000009434 installation Methods 0.000 claims description 11
- 239000011111 cardboard Substances 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 238000012856 packing Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 10
- 125000004122 cyclic group Chemical group 0.000 abstract description 8
- 238000007599 discharging Methods 0.000 abstract description 8
- 238000003754 machining Methods 0.000 description 13
- 239000000123 paper Substances 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 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
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Making Paper Articles (AREA)
Abstract
The invention relates to the technical field of packaging paperboards, in particular to a bending device for a packaging paperboard. The device solves the problem that the existing device is inconvenient to bend and discharge paperboards in the same procedure. The turnover mechanism drives the turnover plate to support the turnover die first, then the turnover die is combined with the turnover plate, a pull-back assembly is arranged between the turnover plate and the turnover die, and when the turnover plate is far away from the turnover die, the pull-back assembly drives one end of the turnover die, which is close to the turnover opening, to turn downwards. According to the invention, the bending die is driven by the pull-back assembly to downwards turn over at one end, close to the turnover opening, of the bending die, so that the processed paperboard is conveniently poured out, the processing treatment of the paperboard is automatically realized, the bending and discharging of the paperboard can be realized in the same working procedure, the cyclic processing is convenient, the structure is ingenious, and the processing effect of the paperboard is remarkably improved.
Description
Technical Field
The invention relates to the technical field of packaging paperboards, in particular to a bending device for a packaging paperboard.
Background
Corrugated paper board is made into corrugated paper boxes through die cutting, indentation, nailing or sticking, the corrugated paper boxes are the most widely applied packaging products, the consumption 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 wood boxes with excellent use performance and good processing performance for more than half a century, so that the corrugated paper boxes become the main force of transport packaging. It not only protects commodity, is convenient for storage, transportation, but also plays the role of beautifying commodity and propaganda commodity. The corrugated case belongs to an environment-friendly product, which is favorable for environmental protection and loading, unloading and transportation.
Corrugated case is made by corrugated container board, need bend corrugated container board when corrugated container board shaping, mainly bend it with the help of the bender among the prior art, because the bending and the ejection of compact of current device in the same process of being convenient for realize the cardboard, take out corrugated container board from the bender through the manual work after bending, whole operation is comparatively troublesome, has reduced production efficiency.
Disclosure of Invention
The invention provides a bending device for packaging paper boards, which drives one end of a bending die, which is close to a folding opening, to turn downwards through a pull-back assembly, so that the processed paper boards can be poured out conveniently, the processing treatment of the paper boards can be automatically realized, the bending and the discharging of the paper boards can be realized in the same working procedure, the cyclic processing is convenient, the structure is ingenious, and the processing effect of the paper boards 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 packing cardboard, includes the base, it has the bending die to articulate on the base, set up on the base and turn over a mouthful, the top of turning over a mouthful runs through to the one end department of bending die, be equipped with the mounting bracket on the base, be equipped with the bending plate on the mounting bracket, be equipped with the cam mechanism that is used for driving the bending plate downward movement between mounting bracket and the bending plate, still be equipped with tilting mechanism on mounting bracket and the base, be equipped with the tilting plate on the tilting mechanism, drive the bending plate through tilting mechanism and support the bending die earlier and then make bending die and bending plate merge, be equipped with the pullback subassembly between tilting plate and the bending die, works as the one end that the bending die is close to a mouthful is turned over in the pullback subassembly drive when the bending die is kept away from to the bending die.
When the paperboard is bent, the paperboard to be bent is placed on the bending die, then the bending plate is driven to move downwards through the cam mechanism, before the bending die is combined with the bending plate, the turnover plate is driven by the turnover mechanism to support the bending die, after the paperboard is subjected to bending processing, one end, close to the turnover opening, of the bending die is driven by the pull-back assembly to turn downwards, the machined paperboard is conveniently poured out, the paperboard is automatically machined, bending and discharging of the paperboard can be realized in the same procedure, cyclic machining is facilitated, the structure is ingenious, and the machining effect of the paperboard is remarkably improved.
Further, be equipped with the connector on the mounting bracket, cam mechanism includes cam body, servo motor, spliced pole, guide block, presses briquetting and reset spring, servo motor locates on the connector, output shaft and the coaxial fixedly connected with cam body on the servo motor, spliced pole and guide block parallel arrangement all locate on the connector, press the piece to locate on the bending plate, press the piece sliding fit on the spliced pole on the guide block, be equipped with the layer board between the bottom of spliced pole and guide block, reset spring overlaps and locates on the spliced pole, reset spring's bottom links firmly with the layer board, reset spring's top links firmly with the pressing block, works as through reset spring drive press briquetting fifty percent discount bending plate when cam upper ledge is located the bottom department, extrudees press briquetting and makes bending die and bending plate merge.
The cam is driven to rotate through the servo motor, the cam extrusion pressing block is driven to guide the movement of the pressing block through the guide block, the movement stability of the pressing block is improved conveniently, when the cam rotation angle is ninety degrees, the pressing block is driven by the cam to compress through the reset spring, the protruding portion on the cam abuts against the pressing block to drive the bending plate to be combined with the bending die, the paperboard is bent, ninety degrees of cam inversion is driven by the servo motor after the paperboard is bent, and the pressing block is driven to move upwards under the action of the reset spring so that the bending plate is located at the initial position.
Further, tilting mechanism includes upper bracket, lower carriage, first connecting rod, second connecting rod, first slider, buffer strip, slowly pressing spring and second slider, the upper bracket links firmly on the mounting bracket, first slider longitudinal sliding connection is on the upper bracket, the one end of first connecting rod is articulated with the protruding portion department of cam body, the other end of second connecting rod is articulated with first slider, the second connecting rod is connected between first slider and second slider, buffer strip longitudinal sliding connection is on the second slider, the bottom of slowly pressing spring acts on the buffer strip, the top of slowly pressing spring acts on the second slider, the upset board articulates on the lower carriage, the lower carriage is located between cam body and the first slider, the one end swivelling joint of buffer strip is on the upset board and can be to the board removal of bending, the distance between the bottom of buffer strip and base equals the distance between the bottom of upset board and the bending die.
In the rotation process of the protruding part on the cam, the first connecting rod is driven to rotate, the first sliding block is driven to slide in the first sliding groove, the second sliding block is driven to longitudinally move through the second connecting rod, when the overturning plate acts on the bending die, the bottom end of the buffer strip is abutted against the base, the buffer spring is compressed, the overturning plate is supported through the buffer spring, the cam continues to rotate in the same direction, the protruding part is driven to squeeze the bending plate, when the cam rotates ninety degrees, the bending die is combined with the bending plate to realize bending, press-before-bend of the paperboard to be bent is realized, and the support stability of the supporting plate is conveniently ensured; through the cam mechanism that sets up, the 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.
Further, 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 greater than the distance between the bottom end of the buffer strip and the base.
Further, 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 opening is formed in the bottom end of the second sliding groove, the buffer strip penetrates through the rod penetrating opening, the top end of the buffer strip is in sliding fit in the second sliding groove, the top end of the buffer spring acts on the top surface of the second sliding groove, and the bottom end of the buffer spring acts on the top end of the buffer strip.
When the first slider moves, the second slider is driven to move through the second connecting rod, and when the buffer strip is not in contact with the base, the buffer strip is hung on the second slider, so that the installation stability of the buffer strip is guaranteed, and when the buffer strip is in contact with the base, the buffer spring is compressed.
Further, a moving groove is formed in the overturning plate, the extending direction of the moving groove passes through the rotating center of the overturning 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 movement abdication space of the rotating rod is provided through the moving groove, the longitudinal movement of the rotating rod is ensured through the abdication space, and the rotating rod is driven to longitudinally move when the second sliding block longitudinally slides, and the overturning plate is driven to rotate; through the cam mechanism that sets up, the cam is in initial condition, the dwang is located the tip department of removal groove, the cam is rotated through above-mentioned tilting mechanism and is driven the dwang to removal groove other end department when rotating, cam portion only need rotate ninety degrees can realize the bending process to the cardboard, avoid the cam to rotate the setting of time delay removal groove of 360, and can directly influence the flip angle of first connecting rod when this cam rotates, if the setting position in extension removal groove, can shorten the distance between first slider and the cam and lengthen this pivoted arm of force, easily show the removal effect that reduces first slider, the easy upset board is stopped in the rotation, not only make tilting mechanism's structure more complicated, effectively reduce occupation space, still reduce the rotation stability and the upset smoothness degree of upset board, be unfavorable for simplifying the bending operation.
Further, one end of the turnover plate, which is 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.
Further, the pull back subassembly is including being curved pull back groove, installation cavity and pull back pole, the pull back groove is offered in the top department of bending part, the bottom of pull back pole has a ball body, ball body ball hinge is in the pull back inslot, the installation cavity is fan ring structure and sets up in the bottom of bending die, the installation cavity extends along the direction of perpendicular to pull back groove, the both ends of installation cavity have respectively along tangential direction first draw groove and second draw groove that extends, the second draw groove vertically sets up and runs through to the bottom surface of bending die, the second draw groove extends along the direction of parallel bending die, the connector has been seted up to the bottom surface of bending die, the connector runs through the installation cavity, the width of connector is less than the width of installation cavity, the top of pull back pole has branch, branch sliding fit is in the installation cavity, the pull back pole is worn to locate in the connector, when the top surface of turning plate and the bottom surface butt of bending die are located the second draw groove.
The bending die is driven by the pull-back assembly to downwards overturn at one end, close to the folding opening, of the bending die, so that the machined paperboard is poured out, machining treatment of the paperboard is automatically realized, bending and discharging of the paperboard can be realized in the same procedure, cyclic machining is facilitated, the structure is ingenious, and the machining effect of the paperboard is remarkably improved.
The invention has the beneficial effects that:
1. When the paperboard is bent, the paperboard to be bent is placed on the bending die, then the bending plate is driven to move downwards through the cam mechanism, before the bending die is combined with the bending plate, the turnover plate is driven by the turnover mechanism to support the bending die, after the paperboard is subjected to bending processing, one end, close to the turnover opening, of the bending die is driven by the pull-back assembly to turn downwards, the machined paperboard is conveniently poured out, the paperboard is automatically machined, bending and discharging of the paperboard can be realized in the same procedure, cyclic machining is facilitated, the structure is ingenious, and the machining effect of the paperboard is remarkably improved.
2. The bending die is driven by the pull-back assembly to downwards overturn at one end, close to the folding opening, of the bending die, so that the machined paperboard is poured out, machining treatment of the paperboard is automatically realized, bending and discharging of the paperboard can be realized in the same procedure, cyclic machining is facilitated, the structure is ingenious, and the machining effect of the paperboard is remarkably improved.
3. The turnover plate is supported by the pressure-relieving spring, the cam continues to rotate in the same direction to drive the protruding part to squeeze the bending plate, and when the cam rotates ninety degrees, the bending die is combined with the bending plate to realize bending, so that the press-before-bending of the paperboard to be bent is realized, and the support stability of the supporting plate is conveniently ensured; through the cam mechanism that sets up, the 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 view of a bending apparatus for packaging board;
Fig. 2 is an enlarged view at a in fig. 1;
FIG. 3 is a schematic view of a cam mechanism;
FIG. 4 is a schematic structural view of a turnover mechanism;
FIG. 5 is a schematic view of a partial structure of the flipping mechanism;
FIG. 6 is a schematic view of a partial construction of the pullback 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;
reference numerals illustrate:
1. A base; 2. bending a die; 3. a turnover opening; 4. a mounting frame; 5. a bending plate; 6. a cam mechanism; 61. a cam body; 62. a servo motor; 63. a connecting column; 64. a guide block; 65. pressing the blocks; 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; 77. a pressure-releasing spring; 78. a second slider; 8. a turnover plate; 9. a pullback assembly; 91. a pull-back groove; 92. a mounting cavity; 93. a pull-back rod; 931. a supporting sphere; 932. a support rod; 10. a connecting body; 11. a supporting plate; 12. a first chute; 13. a second chute; 14. a rod penetrating opening; 15. a moving groove; 16. a bending part; 17. and a connecting port.
Detailed Description
The invention will be further described with reference to examples and drawings, to which reference is made, but which are not intended to limit the scope of the invention.
As shown in fig. 1-8, a bending device for packaging paper boards comprises a base 1, a bending die 2 is hinged to the base 1, a turnover opening 3 is formed in the base 1, the top end of the turnover opening 3 penetrates through 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 support the bending die 2 firstly and then enables the bending die 2 to be combined with the bending plate 5, a pull-back assembly 9 is arranged between the turnover plate 8 and the bending die 2, and one end, close to the turnover opening 3, of the bending die 2 is driven by the pull-back assembly 9 to turn downwards when the turnover plate 8 is far away from the bending die 2.
As shown in fig. 1-8, when the paperboard is bent, the paperboard to be bent is placed on the bending die 2, then the bending plate 5 is driven to move downwards through the cam mechanism 6, before the bending die 2 and the bending plate 5 are combined, the turnover mechanism 7 drives the turnover plate 8 to support the bending die 2, after the paperboard is subjected to bending processing, one end, close to the turnover opening 3, of the bending die 2 is driven to turn downwards through the pull-back assembly 9, the processed paperboard is conveniently poured out, the processing of the paperboard is automatically realized, the bending and discharging of the paperboard can be realized in the same procedure, the cyclic processing is facilitated, the structure is ingenious, and the processing effect of the paperboard is remarkably improved.
As shown in fig. 3 and 4, further, the mounting frame 4 is provided with a connecting body 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 connecting body 10, an output shaft of the servo motor 62 is fixedly connected with the cam body 61 coaxially, the connecting column 63 and the guide block 64 are arranged in parallel and are all arranged on the connecting body 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 supporting plate 11 is arranged between the bottom of the connecting column 63 and the bottom of the guide block 64, the return spring 66 is sleeved on the connecting column 63, the bottom end of the return spring 66 is fixedly connected with the supporting plate 11, the top end of the return spring 66 is fixedly connected with the pressing block 65, the pressing block 65 is driven by the return spring 66 to support the bending plate 5 when the protruding part on the cam is located at the topmost end, and the pressing block 65 is extruded when the protruding part on the cam is located at the bottommost end, and the bending die 2 is combined with the bending plate 5.
The cam is driven to rotate through the servo motor 62, the cam extrusion pressing block 65 is driven, the movement of the pressing block 65 is guided through the guide block 64, the movement stability of the pressing block 65 is convenient to improve, when the cam rotation angle is ninety degrees, the pressing block 65 is driven by the cam, the reset spring 66 compresses, the protruding portion on the cam abuts against the pressing block 65, the bending plate 5 is driven to be combined with the bending die 2, the paperboard is bent, after the paperboard is bent, the servo motor 62 is used for driving the cam to reversely rotate ninety degrees again, the pressing block 65 is driven to move upwards under the action of the reset spring 66, and the bending plate 5 is convenient to be located at the 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 connecting rod 73, a second connecting rod 74, a first slider 75, a buffer bar 76, a buffer 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 and slidably connected to the upper support 71, one end of the first connecting rod 73 is hinged to a protruding portion of the cam body 61, the other end of the second connecting rod 74 is hinged to the first slider 75, the second connecting rod 74 is connected between the first slider 75 and the second slider 78, the buffer bar 76 is longitudinally and slidably connected to the second slider 78, the bottom end of the buffer spring 77 acts on the buffer bar 76, the top end of the buffer 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 bar 76 is rotatably connected to the turnover plate 8 and is movable to the turnover plate 5, and the distance between the bottom end of the buffer bar 76 and the base 1 is equal to the distance between the bottom end of the turnover plate 8 and the bending die 2 and the bottom end of the turnover plate 2.
As shown in fig. 4,5 and 6, further, the upper support 71 is provided with a first sliding groove 12 extending longitudinally, the first sliding block 75 is slidably fitted in 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.
As shown in fig. 4,5 and 6, in the rotation process of the protruding part on the cam, the first connecting rod 73 is driven to rotate and the first sliding block 75 is driven to slide in the first sliding groove 12, the second sliding block 78 is driven to longitudinally move through the second connecting rod 74, when the turnover plate 8 acts on the bending die 2, the bottom end of the buffer strip 76 abuts against the base 1, the buffer spring 77 compresses, the buffer spring 77 supports the turnover plate 8, the cam continues to rotate in the same direction and drives the protruding part to squeeze 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 press-before-bending of the paperboard to be bent is realized, and the support stability of the supporting plate is convenient to ensure; through the cam mechanism 6 that sets up, the 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 7's structure more complicated, effectively reduces occupation space, simplifies the operation of buckling.
As shown in fig. 4, 5 and 6, further, the second sliding block 78 is provided with a second sliding groove 13, the second sliding groove 13 is parallel to the first sliding groove 12, the bottom end of the second sliding groove 13 is provided with a rod penetrating opening 14, the buffer strip 76 is penetrated in the rod penetrating opening 14, the top end of the buffer strip 76 is in sliding fit in the second sliding groove 13, the top end of the buffer spring 77 acts on the top surface of the second sliding groove 13, and the bottom end of the buffer spring 77 acts on the top end of the buffer strip 76.
As shown in fig. 4, 5 and 7, in specific operation, two ends of the second connecting rod 74 are respectively fixedly connected with the second sliding block 78 and the second sliding block 78, so that the first sliding block and the second sliding block can move longitudinally and synchronously, when the first sliding block 75 moves, the second sliding block 78 is driven to move by the second connecting rod 74, when the buffer strip 76 does not contact the base 1, the buffer strip 76 is suspended on the second sliding block 78, so that the installation stability of the buffer strip 76 is ensured, and when the buffer strip 76 contacts the base 1, the buffer spring 77 is compressed.
Further, a moving groove 15 is formed in the turnover plate 8, the extending direction of the moving groove 15 passes through the rotation center of the turnover plate 8, and a rotating rod is arranged on the buffer strip 76 and 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 is driven to slide in the moving groove 15, a horizontal movement abdication space of the rotating rod is provided by the moving groove 15, and the longitudinal movement of the rotating rod is ensured by the abdication space, so that the rotating rod is driven to longitudinally move and the turnover plate 8 is driven to rotate when the second slider 78 longitudinally slides; through the cam mechanism 6 that sets up, the cam is in initial condition, the dwang is located the tip department of removal groove 15, the cam is rotated through above-mentioned tilting mechanism 7 drive dwang to removal groove 15 other end department removal, cam portion only need rotate ninety degrees can realize the bending process to the cardboard, avoid the setting of cam rotation 360 time delay removal groove 15, and can directly influence the flip angle of first connecting rod 73 when this cam rotates, if the setting position of extension removal groove 15, can shorten the distance between first slider 75 and the cam and lengthen this pivoted arm of force, easily show the removal effect of reducing first slider 75, easy upset board 8 is stopped in the rotation, not only make tilting mechanism 7's structure more complicated, effectively reduce occupation space, still reduce upset board 8's rotation stability and upset smoothness degree, be unfavorable for simplifying the bending operation.
As shown in fig. 6, 7 and 8, further, the turning plate 8 has a bending portion 16 bent downward near one end of the bending die 2, the top end of the bending portion 16 is in an arc structure, the pull back assembly 9 includes a pull back groove 91 in an arc shape, a mounting cavity 92 and a pull back rod 93, the pull back groove 91 is opened at the top end of the bending portion 16, the bottom end of the pull back rod 93 has a supporting ball 931, the supporting ball 931 is hinged in the pull back groove 91, the mounting cavity 92 is in a fan ring structure and opened at the bottom of the bending die 2, the mounting cavity 92 extends along a direction perpendicular to the pull back groove 91, two ends of the mounting cavity 92 are respectively provided with a first pull groove and a second pull groove extending along a tangential direction, the second pull groove is longitudinally arranged and penetrates to the bottom surface of the bending die 2, the second pull groove extends along a direction parallel to the bending die 2, the bottom surface of the bending die 2 is opened with a connecting port 17, the connecting port 17 penetrates through the mounting cavity 92, the width of the connecting port 17 is smaller than the width of the mounting cavity 92, the top end of the pull back rod 93 is provided with a supporting rod 932, the supporting rod is in the mounting cavity 92 is in a sliding fit, the mounting cavity 92 is in the direction, when the two ends of the mounting cavity 92 are in the direction perpendicular to the first pull groove and the second pull back groove 932 extend along the tangential direction, and the second pull back rod 93 is positioned in the bottom surface of the bending die 2 when the connecting port 8.
Through the 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 effectively contacted with the bending die 2; when the bending die 2 on the turnover plate 8 approaches, as the movement track of the turnover plate 8 is annular, the supporting sphere 931 is driven to slide in the pull-back groove 91, the supporting rod 932 is driven to slide into the second pull-back groove after passing through the first pull-back groove and the mounting cavity 92 respectively, when the protruding part on the cam rotates to the lowest position, the supporting rod 932 slides into the second pull-back groove, the top surface of the turnover plate 8 is abutted with 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; wherein, the longitudinal distance of the bending part 16 on the turnover plate 8 is larger than the longitudinal height of the installation cavity 92, so that the support rod 932 can slide into the second pull groove smoothly when the support ball 931 slides in the pull groove 91; 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 is inclined, and the supporting rod 932 is convenient to ensure smooth sliding in the connecting port 17 due to the fact that the supporting rod 931 is hinged in the pull groove 91, so that the supporting rod 932 falls back into the first pull groove along the second pull groove and the mounting cavity 92, and the turnover plate 8 is convenient to move to the initial rotating position of the cam body 61; the bending die 2 is driven to downwards overturn at one end close to the turnover opening 3 through the pull-back assembly 9, so that the machined paperboards can be poured out conveniently, the machining treatment of the paperboards is automatically realized, the bending and the discharging of the paperboards can be realized in the same procedure, the cyclic machining is convenient, the structure is ingenious, and the machining effect of the paperboards is remarkably improved.
All technical features in the embodiment can be freely combined according to actual needs.
The foregoing embodiments are preferred embodiments of the present invention, and other embodiments are included, without departing from the spirit of the present invention.
Claims (3)
1. The utility model provides a bending device for packing cardboard, includes base (1), articulated on base (1) have bending die (2), turn over a mouthful (3) have been seted up on base (1), the top of turning over a mouthful (3) runs through to the one end department of bending die (2), a serial communication port, be equipped with mounting bracket (4) on base (1), be equipped with bending plate (5) on mounting bracket (4), be equipped with between mounting bracket (4) and bending plate (5) and be used for driving cam mechanism (6) of bending plate (5) downward movement, still be equipped with tilting mechanism (7) on mounting bracket (4) and base (1), be equipped with tilting plate (8) on tilting mechanism (7), drive tilting plate (8) through tilting mechanism (7) and support then make bending die (2) and bending plate (5) merge earlier, be equipped with between tilting plate (8) and the bending die (2) and pull back subassembly (9), when tilting plate (8) keep away from bending die (2) and drive bending die (3) to be close to one end of bending die (3) through tilting mechanism (7);
the utility model discloses a connecting body (10) is arranged on the mounting frame (4), cam mechanism (6) comprises a cam body (61), servo motor (62), spliced pole (63), guide block (64), pressing block (65) and reset spring (66), servo motor (62) are located on the connecting body (10), output shaft and cam body (61) coaxial fixedly link on servo motor (62), spliced pole (63) and guide block (64) parallel arrangement all locate on the connecting body (10), pressing block (65) are located on bending plate (5), pressing block (65) sliding fit is on guide block (64) on spliced pole (63), be equipped with layer board (11) between the bottom of spliced pole (63) and guide block (64), reset spring (66) cover is located on spliced pole (63), the bottom and layer board (11) of reset spring (66) link firmly, the top and pressing block (65) of reset spring (66) link firmly, when protruding department is located on the cam top and is pressed down pressing block (5) through reset spring (66), when the protruding part on the cam is positioned at the bottommost end, the pressing block (65) is pressed, and the bending die (2) is combined with the bending plate (5);
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 buffer strip (76), a buffer spring (77) and a second sliding block (78), wherein 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 a 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 buffer strip (76) is longitudinally and slidably connected to the second sliding block (78), the bottom end of the buffer spring (77) acts on the buffer strip (76), the top end of the buffer spring (77) acts on the second sliding block (78), the turnover plate (8) is hinged to the lower support (72), the lower support (61) is connected to the first sliding block (75) in a bent mode, the turnover plate (8) is located between the first sliding plate (75) and the turnover 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 overturning plate (8) and the bending die (2);
the turnover plate (8) is provided with a moving groove (15), the extending direction of the moving groove (15) passes through the rotation center of the turnover plate (8), the buffer strip (76) is provided with a rotating rod, and the rotating rod is in rotary fit in the moving groove (15);
One end of the turnover plate (8) close to the bending die (2) is provided with a bending part (16) which is bent downwards, and the top end of the bending part (16) is of an arc-shaped structure;
The pull-back assembly (9) comprises an arc-shaped pull-back groove (91), a mounting cavity (92) and a pull-back rod (93), the pull-back groove (91) is arranged at the top end of the bending part (16), the bottom end of the pull-back rod (93) is provided with a supporting sphere (931), the supporting sphere (931) is spherically hinged in the pull-back groove (91), the installation cavity (92) is in a fan-shaped ring structure and is arranged at the bottom of the bending die (2), the mounting cavity (92) extends in a direction perpendicular to the pull-back groove (91), the two ends of the mounting cavity (92) are respectively provided with a first pull groove and a second pull groove which extend along the tangential direction, the second pull groove is longitudinally arranged and penetrates through the bottom surface of the bending die (2), the second pull groove extends along the direction parallel to the bending die (2), a connecting port (17) is arranged on the bottom surface of the bending die (2), the connecting port (17) penetrates through the mounting cavity (92), the width of the connecting port (17) is smaller than the width of the mounting cavity (92), the top end of the pull rod (93) is provided with a supporting rod (932), the supporting rod (932) is in sliding fit in the mounting cavity (92), the pull rod (93) is penetrated in the connecting port (17), when the top surface of the turnover plate (8) is abutted with the bottom surface of the bending die (2), the supporting rod (932) is positioned in the second pull groove.
2. Bending device for packaging board according to claim 1, characterized in that the upper support (71) is provided with a first runner (12) extending longitudinally, the first runner (75) is slidably fitted in the second runner (13), and the length of the first runner (12) is longer than the distance between the bottom end of the buffer strip (76) and the base (1).
3. The bending device for packaging paperboards according to claim 1, 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 buffer strip (76) is penetrated in the rod penetrating opening (14), the top end of the buffer strip (76) is slidably matched in the second sliding groove (13), the top end of the buffer spring (77) acts on the top surface of the second sliding groove (13), and the bottom end of the buffer spring (77) acts on the top end of the buffer strip (76).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111579313.3A CN114434866B (en) | 2021-12-22 | 2021-12-22 | Bending device for packaging paperboard |
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| CN202111579313.3A CN114434866B (en) | 2021-12-22 | 2021-12-22 | Bending device for packaging paperboard |
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| CN111941928A (en) * | 2020-08-11 | 2020-11-17 | 京山双王纸板技术服务有限公司 | Bending device for corrugated carton production |
| 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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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2502447B2 (en) * | 1993-04-26 | 1996-05-29 | 東洋水産株式会社 | Multi-stage box folding machine |
| 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 |
| CN208841924U (en) * | 2018-09-15 | 2019-05-10 | 南安市恒发纸品包装有限公司 | A kind of new lock bottom formula carton bottom automatic folding device |
| CN213056185U (en) * | 2020-06-18 | 2021-04-27 | 佛山市顺德区勒流镇广兄纸箱有限公司 | Bending forming mechanism for carton |
| CN112848503A (en) * | 2021-01-07 | 2021-05-28 | 张华珍 | Folding finishing equipment is used in corrugated box production |
| CN113351748A (en) * | 2021-06-03 | 2021-09-07 | 武汉灼华嘉会贸易有限公司 | Cold-rolled sheet metal machining numerical control bending machine and bending method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111941928A (en) * | 2020-08-11 | 2020-11-17 | 京山双王纸板技术服务有限公司 | Bending device for corrugated carton production |
| 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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