CN110963354A - Switching method from 32-fold to 24-fold - Google Patents
Switching method from 32-fold to 24-fold Download PDFInfo
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- CN110963354A CN110963354A CN201911336594.2A CN201911336594A CN110963354A CN 110963354 A CN110963354 A CN 110963354A CN 201911336594 A CN201911336594 A CN 201911336594A CN 110963354 A CN110963354 A CN 110963354A
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- opening
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- folding
- cam
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H45/00—Folding thin material
- B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
- B65H45/16—Rotary folders
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H45/00—Folding thin material
- B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/11—Dimensional aspect of article or web
- B65H2701/113—Size
- B65H2701/1131—Size of sheets
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- Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
Abstract
The invention discloses a switching method from 32 unfolding to 24 unfolding, which comprises the following steps: the first step, the retracted positions of a pair of poking needles are turned from the 32-open position to the 24-open position through a switch D, and simultaneously, the positions of a pair of 32-open hooks for releasing the paper signatures are changed from the 32-open first folding position to the 24-open first folding position; step two, firstly, the pair of 8-opening folding knives is turned from the 8-opening position to the 24-opening position through the switch E and the manual jigger, meanwhile, the pair of 8-opening clamping plates are turned from the 32-opening first folding position to the 24-opening first folding position, and the pair of 32-opening hooks are also turned from the 32-opening position to the 24-opening position; and step three, firstly, the pair of 32-opening clamping plates are turned to the second folding position of 24-opening from the second folding position of 32-opening through the switch A and the manual jigger, and meanwhile, the pair of 32-opening folding knives are turned to the second folding position of 24-opening from the second folding position of 32-opening. The switching method is convenient and flexible, and greatly simplifies the manual operation.
Description
Technical Field
The invention relates to a method for switching from 32-fold to 24-fold.
Background
The current book and periodical folding machine can fold books with a plurality of opening sizes, such as 8, 16 and 32. The printing enterprise needs to switch between these several versions depending on the size of the print.
In addition, a 24-opening single-folding split book is also available in the market at present, and the book label of the 24-opening single-folding split book is formed by folding two pages to be one third of the width of a paper web and then longitudinally folding the paper web. The book is mostly used for printed matters such as magazines, picture albums and the like. The existing folding machine can only produce a plurality of opening books such as 8-opening, 16-opening and 32-opening, and a special 24-opening folding machine needs to be purchased for 24-opening folding, or one path of 8-opening to 32-opening folding and the other path of 24-opening folding are adopted. Not only does this increase procurement costs, but the billing switch is not flexible enough.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a switching method from 32-fold to 24-fold, which is convenient and flexible, greatly simplifies the manual operation, reduces the operation time of workers and improves the working efficiency.
The purpose of the invention is realized as follows: a32-fold to 24-fold switching method is performed in a three-cylinder type roll-fold folder including a cutting cylinder, a jab cylinder, a jaw cylinder, a folding cylinder, a first intermediate gear, a second intermediate gear, and a fold switching control box; wherein the content of the first and second substances,
a paper cutter is arranged on the paper cutting roller;
a core shaft of the pricking pin roller is movably sleeved with a pricking pin adjusting sleeve and a first lower mounting sleeve; an 8-opening folding knife cam is arranged on the transmission side of the poking needle adjusting sleeve through a first upper mounting sleeve; the first lower mounting sleeve is fixedly sleeved with a poking needle cam and is connected with a piston rod of the first air cylinder;
a gripper adjusting sleeve and a second lower mounting sleeve are movably sleeved on a core shaft of the gripper drum, and an 8-opening clamping plate tooth closing cam is fixedly sleeved between the gripper adjusting sleeve and the second lower mounting sleeve; a 32-opening plate cam is arranged on the transmission side of the gripper adjusting sleeve through a second upper mounting sleeve; the second lower mounting sleeve is fixedly sleeved with an 8-opening splint tooth placing cam and is connected with a piston rod of a second cylinder;
a mandrel of the two-folding roller is movably sleeved with a two-folding adjusting sleeve and a third lower mounting sleeve; a 32-opening folding knife cam is arranged on the transmission side of the two-folding adjusting sleeve through a third upper mounting sleeve, and the third upper mounting sleeve is connected with a piston rod of a seventh cylinder; a 32-opening hook tooth closing cam is fixedly mounted on the third lower mounting sleeve; the third lower mounting sleeve is provided with a 32-opening hook tooth placing cam through an outer mounting sleeve, the outer mounting sleeve is connected with a piston rod of a fourth cylinder, and a cylinder body of the fourth cylinder and the third lower mounting sleeve are connected with a piston rod of a third cylinder through a Y-shaped rocker arm;
the poking needle adjusting sleeve comprises a poking needle adjusting sleeve, a transmission side end head of the poking needle adjusting sleeve and a transmission side end head of the two-fold adjusting sleeve, wherein a poking needle front gear, a gripping tooth front gear and a two-fold front gear are fixedly sleeved on the transmission side end head of the poking needle roller, the transmission side end head of the gripping tooth roller and the transmission side end head of the two-fold adjusting sleeve in a one-to-one corresponding mode;
the first intermediate gear and the second intermediate gear are both composed of a fixed gear and a moving gear with a clutch mechanism;
the moving gear of the first intermediate gear is meshed with the stamping needle front gear, and the fixed gear of the first intermediate gear is sequentially meshed with the stamping needle rear gear, the gripper front gear, the two-fold front gear and the moving gear of the second intermediate gear;
the fixed gear of the second intermediate gear is sequentially meshed with the gripper rear gear and the two-fold rear gear;
a pair of lancet needles are centrally symmetrically installed on a pair of lancet needle cam rollers inside the lancet drum, the pair of lancet needle cam rollers running along the outer circumferential curved surface of the lancet needle cam; the 8 folding knives are symmetrically arranged on the poking needle adjusting sleeve in a one-to-one correspondence mode through a pair of 8 folding knife cam rollers, and the 8 folding knife cam rollers run along the peripheral curved surface of the 8 folding knife cam;
a pair of 8 open splinting plates are centrosymmetrically arranged on a pair of 8 open splinting plate cam rollers in the gripper drum, and the pair of 8 open splinting plate cam rollers run along the peripheral curved surfaces of the 8 open splinting plate closing cam and the 8 open splinting plate opening cam; a pair of 32 splinting plates are symmetrically arranged on the jaw adjusting sleeve in a central mode through a pair of 32 splinting plate cam rollers in a one-to-one correspondence mode, and the 32 splinting plate cam rollers run along the peripheral curved surface of the 32 splinting plate cam;
a pair of 32-opening hooks are centrally and symmetrically arranged on a pair of 32-opening hook cam rollers in the two-folding roller, and the pair of 32-opening hook cam rollers run along the peripheral curved surfaces of the 32-opening hook tooth closing cam and the 32-opening hook tooth releasing cam; the pair of 32 folding knives are arranged on the two-folding adjusting sleeve in a one-to-one correspondence manner through a pair of 32 folding knife cam rollers in a centrosymmetric manner, and the pair of 32 folding knife cam rollers run along the peripheral curved surface of the 32 folding knife cam;
a switch A, a switch C, a switch D and a switch E are arranged on a panel of the notebook switching control box; the switch A is electrically connected with an air path electromagnetic valve of a sixth air cylinder for driving the second intermediate gear to be clutched; the switch C is electrically connected with the gas circuit electromagnetic valves of the second cylinder, the third cylinder and the seventh cylinder respectively; the switch D is electrically connected with the gas path electromagnetic valves of the first cylinder and the fourth cylinder respectively; the switch E is electrically connected with an air path electromagnetic valve of a fifth air cylinder for driving the first intermediate gear to be clutched;
the switching method comprises the following steps:
step one, the poking needle cam is turned from the 32 th position to the 24 th position through a switch D, the 32 th hook tooth placing cam is turned from the 32 th position to the 24 th position, the retracted positions of the pair of poking needles are turned from the 32 th position to the 24 th position, and the positions of the pair of 32 th hook releasing paper signatures are changed from the 32 th position to the 24 th position;
secondly, the moving gear and the fixed gear of the first intermediate gear are disengaged through the switch E, then the fixed gear of the first intermediate gear is rotated by a set angle through a manual jigger, the rotating of the fixed gear of the first intermediate gear drives the poking needle rear gear, the jaw front gear, the two-fold front gear and the moving gear of the second intermediate gear to rotate, so that a pair of 8-opening folding knives on the poking needle roller is rotated to a 24-opening first folding position from a 32-opening first folding position, namely, an included angle of the pair of 8-opening knives relative to the pair of poking needles is rotated to 60 degrees from 90 degrees, meanwhile, a pair of 8-opening clamping plates on the poking needle roller is rotated to a 24-opening first folding position from the 32-opening first folding position, namely, the pair of 8-opening clamping plates is rotated to a position connected with the pair of 8-opening knives, and a pair of 32-opening hooks on the two-folding roller are simultaneously rotated to 24-opening positions from the 32-opening position, namely, then the moving gear and the fixed gear of the first intermediate gear are closed through a switch E;
and step three, disengaging the moving gear and the fixed gear of the second intermediate gear through a switch A, rotating the fixed gear of the second intermediate gear by a set angle through a manual jigger, driving the two-fold rear gear and the gripper rear gear to rotate through the rotation of the fixed gear of the second intermediate gear, and rotating a pair of 32-opening clamping plates on the gripper drum from a 32-opening second folding position to a 24-opening second folding position, namely rotating an included angle of the pair of 32-opening clamping plates relative to a pair of 8-opening clamping plates from 45 degrees to 60 degrees, simultaneously rotating a pair of 32-opening folding knives on the two-folding drum from the 32-opening second folding position to a 24-opening second folding position, namely rotating an included angle of the pair of 32-opening knives relative to a pair of 32-opening hooks from 45 degrees to 60 degrees, and connecting the pair of 32-opening knives with the pair of 32-opening clamping plates, and then closing the moving gear and the fixed gear of the second intermediate gear.
In the method for switching from 32 unfolding to 24 unfolding, the switch a, the switch C, the switch D and the switch E are two-position five-way manual valves.
The method for switching from 32-fold to 24-fold of the invention has the following characteristics: the switching from 32-fold to 24-fold is realized by means of electric automation control and positioning. Namely, the driving air cylinder is combined with the manual jigger to control the actions of the poking needle on the poking needle cylinder, the jaw cylinder and the two-fold cylinder, the 8-opening folding knife, the 8-opening clamping plate, the 32-opening hook and the 32-opening folding knife, thereby realizing the quick switching from 32-opening folding to 24-opening folding. The switching method is convenient and flexible, greatly simplifies the manual operation, reduces the operation time of workers and improves the working efficiency.
Drawings
FIG. 1 is a view of a cylinder arrangement of a three-cylinder roll-fold folder that performs the switching method of the present invention;
FIG. 2 is an axial cross-section of three cylinders of a three-cylinder roll-fold folder;
FIG. 3 is a view taken along line A-A of FIG. 2;
fig. 4 is a schematic diagram of the gas path of a three-cylinder roll folder that performs the switching method of the present invention;
FIGS. 5a to 5g are schematic views of the structure of the 32-fold opening before switching, corresponding to seven steps;
fig. 6a to 6g are schematic structural diagrams corresponding to seven steps in 24-fold unfolding after the switching method of the present invention is used.
Detailed Description
The invention will be further explained with reference to the drawings.
Referring to fig. 1 to 6g, a 32-fold to 24-fold switching method of the present invention is performed in a three-cylinder type folder including a cutting cylinder 1, a jab cylinder 2, a jaw cylinder 3, a folding cylinder 4, a first intermediate gear, a second intermediate gear, and a fold switching control box 100.
A paper knife 10 extends from the outer wall surface of the paper cutting roller 1.
A core shaft of the poking needle roller 2 is movably sleeved with a poking needle adjusting sleeve 20 and a first lower mounting sleeve 21 b; an 8-opening knife cam 22 is arranged on the transmission side of the poking needle adjusting sleeve 20 through a first upper mounting sleeve 21 a; the first lower mounting sleeve 20b is fixedly sleeved with a needle poking cam 23, and the first lower mounting sleeve 21b is connected with a piston rod of a first air cylinder 24.
A gripper adjusting sleeve 30 and a second lower mounting sleeve 31b are movably sleeved on a mandrel of the gripper drum 3, and an 8-opening clamping plate closing cam 33a is fixedly sleeved between the gripper adjusting sleeve 30 and the second lower mounting sleeve 31 b; a 32-opening plate cam 32 is arranged on the transmission side of the gripper adjusting sleeve 30 through a second upper mounting sleeve 31 a; an 8-opening splint tooth placing cam 33b is fixedly sleeved on the second lower mounting sleeve 31b, and the second lower mounting sleeve 31b is connected with a piston rod of the second air cylinder 34.
A core shaft of the two-folding roller 4 is movably sleeved with a two-folding adjusting sleeve 40 and a third lower mounting sleeve 41 b; a 32-folding knife cam 42 is arranged on the transmission side of the two-folding adjusting sleeve 40 through a third upper mounting sleeve 41a, and the third upper mounting sleeve 41a is connected with a piston rod of a seventh air cylinder 43; a 32-opening hook tooth closing cam 43a is fixedly arranged on the third lower mounting sleeve 41 b; the third lower mounting sleeve 41b is provided with a 32-opening hook tooth-releasing cam 43b through an outer mounting sleeve 41c, the outer mounting sleeve 41c is connected with a piston rod of a fourth air cylinder 44, and the cylinder body of the fourth air cylinder 44 and the third lower mounting sleeve 41b are connected with a piston rod of a third air cylinder 49 through a Y-shaped rocker arm 48.
The front stabbing needle gears 27a, the front gripping tooth gears 37a and the front folding gears 47a are fixedly sleeved on the transmission side shaft heads of the stabbing needle cylinders 2, the transmission side shaft heads of the gripping tooth cylinders 3 and the transmission side shaft heads of the folding cylinders 4 in a one-to-one corresponding mode, and the rear stabbing needle gears 27b, the rear gripping tooth gears 37b and the rear folding gears 47b are fixedly sleeved on the transmission side end heads of the stabbing needle adjusting sleeves 20, the transmission side end heads of the gripping tooth adjusting sleeves 30 and the transmission side end heads of the folding adjusting sleeves 40 in a one-to-one corresponding mode.
The first and second intermediate gears are each composed of a fixed gear 51a, 52a and a moving gear 51b, 52b with a clutch mechanism.
The moving gear 51b of the first intermediate gear meshes with the stamp front gear 27a, and the fixed gear 51a of the first intermediate gear meshes with the stamp rear gear 27b, the gripper front gear 37a, the double-fold front gear 47a, and the moving gear 52b of the second intermediate gear in this order.
The fixed gear 52a of the second intermediate gear is meshed with the gripper rear gear 37b and the double-fold rear gear 47b in this order.
A pair of lancet 25 are centrally symmetrically installed on a pair of lancet cam rollers 250 inside the lancet drum 2, the pair of lancet cam rollers 250 running along the outer circumferential curved surface of the lancet cam 23; a pair of 8-opening folding knives 26 are mounted on the lancet adjusting sleeve 20 in a one-to-one correspondence with each other through a pair of 8-opening folding knife cam rollers 260 in a centrosymmetric manner, and the pair of 8-opening folding knife cam rollers 260 run along the peripheral curved surface of the 8-opening folding knife cam 22.
A pair of 8-split gripper plates 35 installed centrosymmetrically on a pair of 8-split gripper plate cam rollers 350 in the jaw cylinder 3, the pair of 8-split gripper plate cam rollers 350 running along the outer peripheral curved surfaces of the 8-split gripper plate closing cam 33a and the 8-split gripper plate releasing cam 33 b; a pair of 32 split plates 36 are installed on the jaw adjusting sleeve 30 in a one-to-one centrosymmetric manner by a pair of 32 split plate cam rollers 360, and the pair of 32 split plate cam rollers 350 run along the peripheral curved surface of the 32 split plate cam 32.
A pair of 32-opening hooks 45 are installed on a pair of 32-opening hook cam rollers 450 centrally symmetrically in the two-folding drum 4, the pair of 32-opening hook cam rollers 450 running along the outer peripheral curved surfaces of the 32-opening hook closing cam 43a and the 32-opening hook releasing cam 43 b; a pair of 32 opening knives 46 are mounted on the two-fold adjustment sleeve 40 in a one-to-one correspondence with a central symmetry through a pair of 32 opening knife cam rollers 460, the pair of 32 opening knife cam rollers 460 running along the peripheral curve of the 32 opening knife cam 42.
The opening and switching control box 100 is installed on an operation side wall plate of the folding machine, and a switch A, a switch C, a switch D and a switch E are arranged on a panel of the control box 100; the switch A, the switch C, the switch D and the switch E are two-position five-way manual valves. The switch A is electrically connected with an air path electromagnetic valve of a sixth air cylinder 6 for driving the second intermediate gear to be clutched; the switch C is respectively and electrically connected with the air path electromagnetic valves of the second air cylinder 34 for driving the 8-opening clamping plate tooth releasing cam 33b, the third air cylinder 49 for driving the 32-opening hook tooth closing cam 43a and the seventh air cylinder 43 for driving the 32-opening folding knife cam; the switch D is respectively and electrically connected with the air path electromagnetic valves of the first air cylinder 24 for driving the needle poking cam 23 and the fourth air cylinder 44 for driving the 32 hook opening tooth placing cam 43 b; the switch E is electrically connected with an air path electromagnetic valve of a fifth air cylinder 5 for driving the first intermediate gear to be clutched.
When the folding machine folds 32 pages, the included angle of a pair of poking needles 25 on the poking needle roller 2 relative to a pair of 8-fold knives 26 is 90 degrees; the included angle of the pair of 8-opening clamping plates 35 on the gripper drum 3 relative to the pair of 32-opening clamping plates 36 is 45 degrees, and the pair of 8-opening clamping plates 35 are correspondingly jointed with the pair of 8-opening folding knives 26 one by one; the angle between the pair of 32-opening hooks 45 on the folding roller 4 and the pair of 32-opening folding knives 46 is 45 degrees, and the pair of 32-opening hooks 45 are correspondingly jointed with the pair of 8-opening clamping plates 35 one by one, and the pair of 32-opening folding knives 46 are correspondingly jointed with the pair of 32-opening clamping plates 36 one by one.
The folding machine performs 32-fold opening according to the following steps:
(1) the paper 7 is stabbed by a stabbing needle 25 on the stabbing needle cylinder 2 and sent to the jaw cylinder 3, and is cut by a paper cutter 10 of the paper cutting cylinder 1 (see fig. 5 a);
(2) an 8-fold knife 25 on the jab cylinder 2 tucks 1/2 lengths of paper into an 8-fold bar 35 on the jaw cylinder 3, completing an 8-fold, i.e., a 32-fold first fold (see fig. 5 b);
(3) the signatures are sent to a two-fold cylinder 4 (see fig. 5 c);
(4) the 8-way gripper 35 on the jaw cylinder 3 is released and the signature is gripped by the 32-way hook 45 on the folding cylinder 4 (see fig. 5 d);
(5) a 32-fold blade 46 on the folding cylinder 4 tucks 1/4 lengths of paper into the 32-fold bar 36 of the jaw cylinder 3, completing a 32-fold, i.e., a 32-fold (see fig. 5 e);
(6) the 32-open hook 45 on the two-fold cylinder 4 releases the signature (see fig. 5 f);
(7) the gripper cylinder 3 sends the sheet signature to the sheet transport belt and then outputs the sheet signature (see fig. 5 g).
When 32-fold is performed, the moving gear 51b of the first intermediate gear, the fixed gear 51a, and the moving gear 52b of the second intermediate gear are relatively fixed and rotate simultaneously with the fixed gear 52 a.
The switching method from 32 unfolding to 24 unfolding comprises the following steps:
step one, the poking needle cam 23 is turned from the position 32 to the position 24 through the switch D, the hook tooth placing cam 43b is turned from the position 32 to the position 24, the retracted positions of the pair of poking needles 25 are turned from the position 32 to the position 24, and the position where the pair of hooks 45 release the paper signatures is changed from the position 32 to the position 24;
secondly, the moving gear 51b and the fixed gear 51a of the first intermediate gear are disengaged through the switch E, then the fixed gear 51a of the first intermediate gear is rotated by a set angle through the manual jigger, the poking needle rear gear 27b, the jaw front gear 37a, the two-fold front gear 47a and the moving gear 52a of the second intermediate gear are driven to rotate through the rotation of the fixed gear 51a of the first intermediate gear, so that the pair of 8-opening folding knives 26 on the poking needle roller 2 are rotated from the first folding position of 32-opening to the first folding position of 24-opening, namely the included angle of the pair of 8-opening folding knives 26 relative to the pair of poking needles 25 is rotated from 90 degrees to 60 degrees, meanwhile, the pair of 8-opening clamping plates 35 on the poking needle roller 3 are rotated from the first folding position of 32-opening to the first folding position of 24-opening, namely the pair of 8-opening clamping plates 35 are rotated to the position connected with the pair of 8-opening folding knives 26, and the pair of 32-opening hooks 45 on the two-opening roller 4 are, namely, the pair of 32-opening hooks 45 is connected with the pair of 8-opening clamping plates 35, and then the moving gear 51b and the fixed gear 51a of the first intermediate gear are closed through the switch E;
step three, the moving gear 52b and the fixed gear 52a of the second intermediate gear are disengaged through the switch A, then the fixed gear 52a of the second intermediate gear is rotated for a set angle through a manual turning gear, the two-fold rear gear 47b and the jaw rear gear 37b are driven to rotate by the rotation of the fixed gear 52a of the second intermediate gear, so that the pair of 32 open clamping plates 36 on the jaw cylinder 3 are rotated from the second folding position of 32 open to the second folding position of 24 open, namely, the included angle of the pair of 32 split clamping plates 36 relative to the pair of 8 split clamping plates 35 is changed from 45 degrees to 60 degrees, simultaneously, the pair of 32-opening folding knives 46 on the folding roller 4 are rotated from the second folding position of 32-opening to the second folding position of 24-opening, that is, the angle of the pair of 32 opening knives 46 with respect to the pair of 32 opening hooks 45 is changed from 45 ° to 60 °, and the pair of 32 opening knives 46 meet the pair of 32 opening plates 36, then, the moving gear 52b and the fixed gear 52a of the second intermediate gear are closed by the switch a.
When the 24-fold is switched to the 32-fold, the first step to the third step are repeatedly executed, the first step is executed, the switch D rotates reversely, and the direction of the turning cart is opposite when the second step and the third step are executed.
After the switching is finished, 24 opening and folding can be carried out, and the process comprises the following steps:
(1) the paper 7 is stabbed by a stabbing needle 25 on the stabbing needle cylinder 2, sent to the jaw cylinder 3 and cut by a paper cutter 10 on the paper cutting cylinder 1 (see fig. 6 a);
(2) the 8-open folding knife 26 on the jab cylinder 2 tucks 1/3 lengths of paper into the 8-open gripper bar 35 on the jaw cylinder 3, completing a first fold of 24 (see fig. 6 b);
(3) the signatures are sent to a two-fold cylinder 4 (see fig. 6 c);
(4) the 8-way gripper 35 on the jaw cylinder 3 is released and the signature is gripped by the 32-way hook 43 on the two-fold cylinder 4 (see fig. 6d)
(5) A 32-opening folding blade 46 on the folding cylinder 4 tucks 2/3 lengths of paper into the 32-opening gripper plate 36 of the jaw cylinder 3, completing a second fold of 24 openings (see fig. 6 e);
(6) the 32-open hook 45 on the two-fold cylinder 4 releases the signature (see fig. 6 f);
(7) the gripper cylinder 3 sends the sheet signature to the sheet transport belt and then outputs the sheet signature (see fig. 6 g).
The above embodiments are provided only for illustrating the present invention and not for limiting the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, and therefore all equivalent technical solutions should also fall within the scope of the present invention, and should be defined by the claims.
Claims (2)
1. A32-fold to 24-fold switching method is performed in a three-cylinder type roll-fold folder including a cutting cylinder, a jab cylinder, a jaw cylinder, a folding cylinder, a first intermediate gear, a second intermediate gear, and a fold switching control box; wherein the content of the first and second substances,
a paper cutter is arranged on the paper cutting roller;
a core shaft of the pricking pin roller is movably sleeved with a pricking pin adjusting sleeve and a first lower mounting sleeve; an 8-opening folding knife cam is arranged on the transmission side of the poking needle adjusting sleeve through a first upper mounting sleeve; the first lower mounting sleeve is fixedly sleeved with a poking needle cam and is connected with a piston rod of the first air cylinder;
a gripper adjusting sleeve and a second lower mounting sleeve are movably sleeved on a core shaft of the gripper drum, and an 8-opening clamping plate tooth closing cam is fixedly sleeved between the gripper adjusting sleeve and the second lower mounting sleeve; a 32-opening plate cam is arranged on the transmission side of the gripper adjusting sleeve through a second upper mounting sleeve; the second lower mounting sleeve is fixedly sleeved with an 8-opening splint tooth placing cam and is connected with a piston rod of a second cylinder;
a mandrel of the two-folding roller is movably sleeved with a two-folding adjusting sleeve and a third lower mounting sleeve; a 32-opening folding knife cam is arranged on the transmission side of the two-folding adjusting sleeve through a third upper mounting sleeve, and the third upper mounting sleeve is connected with a piston rod of a seventh cylinder; a 32-opening hook tooth closing cam is fixedly mounted on the third lower mounting sleeve; the third lower mounting sleeve is provided with a 32-opening hook tooth placing cam through an outer mounting sleeve, the outer mounting sleeve is connected with a piston rod of a fourth cylinder, and a cylinder body of the fourth cylinder and the third lower mounting sleeve are connected with a piston rod of a third cylinder through a Y-shaped rocker arm;
the poking needle adjusting sleeve comprises a poking needle adjusting sleeve, a transmission side end head of the poking needle adjusting sleeve and a transmission side end head of the two-fold adjusting sleeve, wherein a poking needle front gear, a gripping tooth front gear and a two-fold front gear are fixedly sleeved on the transmission side end head of the poking needle roller, the transmission side end head of the gripping tooth roller and the transmission side end head of the two-fold adjusting sleeve in a one-to-one corresponding mode;
the first intermediate gear and the second intermediate gear are both composed of a fixed gear and a moving gear with a clutch mechanism;
the moving gear of the first intermediate gear is meshed with the stamping needle front gear, and the fixed gear of the first intermediate gear is sequentially meshed with the stamping needle rear gear, the gripper front gear, the two-fold front gear and the moving gear of the second intermediate gear;
the fixed gear of the second intermediate gear is sequentially meshed with the gripper rear gear and the two-fold rear gear;
a pair of lancet needles are centrally symmetrically installed on a pair of lancet needle cam rollers inside the lancet drum, the pair of lancet needle cam rollers running along the outer circumferential curved surface of the lancet needle cam; the 8 folding knives are symmetrically arranged on the poking needle adjusting sleeve in a one-to-one correspondence mode through a pair of 8 folding knife cam rollers, and the 8 folding knife cam rollers run along the peripheral curved surface of the 8 folding knife cam;
a pair of 8 open splinting plates are centrosymmetrically arranged on a pair of 8 open splinting plate cam rollers in the gripper drum, and the pair of 8 open splinting plate cam rollers run along the peripheral curved surfaces of the 8 open splinting plate closing cam and the 8 open splinting plate opening cam; a pair of 32 splinting plates are symmetrically arranged on the jaw adjusting sleeve in a central mode through a pair of 32 splinting plate cam rollers in a one-to-one correspondence mode, and the 32 splinting plate cam rollers run along the peripheral curved surface of the 32 splinting plate cam;
a pair of 32-opening hooks are centrally and symmetrically arranged on a pair of 32-opening hook cam rollers in the two-folding roller, and the pair of 32-opening hook cam rollers run along the peripheral curved surfaces of the 32-opening hook tooth closing cam and the 32-opening hook tooth releasing cam; the pair of 32 folding knives are arranged on the two-folding adjusting sleeve in a one-to-one correspondence manner through a pair of 32 folding knife cam rollers in a centrosymmetric manner, and the pair of 32 folding knife cam rollers run along the peripheral curved surface of the 32 folding knife cam;
a switch A, a switch C, a switch D and a switch E are arranged on a panel of the notebook switching control box; the switch A is electrically connected with an air path electromagnetic valve of a sixth air cylinder for driving the second intermediate gear to be clutched; the switch C is electrically connected with the gas circuit electromagnetic valves of the second cylinder, the third cylinder and the seventh cylinder respectively; the switch D is electrically connected with the gas path electromagnetic valves of the first cylinder and the fourth cylinder respectively; the switch E is electrically connected with an air path electromagnetic valve of a fifth air cylinder for driving the first intermediate gear to be clutched;
the switching method is characterized by comprising the following steps:
step one, the poking needle cam is turned from the 32 th position to the 24 th position through a switch D, the 32 th hook tooth placing cam is turned from the 32 th position to the 24 th position, the retracted positions of the pair of poking needles are turned from the 32 th position to the 24 th position, and the positions of the pair of 32 th hook releasing paper signatures are changed from the 32 th position to the 24 th position;
secondly, the moving gear and the fixed gear of the first intermediate gear are disengaged through the switch E, then the fixed gear of the first intermediate gear is rotated by a set angle through a manual jigger, the rotating of the fixed gear of the first intermediate gear drives the poking needle rear gear, the jaw front gear, the two-fold front gear and the moving gear of the second intermediate gear to rotate, so that a pair of 8-opening folding knives on the poking needle roller is rotated to a 24-opening first folding position from a 32-opening first folding position, namely, an included angle of the pair of 8-opening knives relative to the pair of poking needles is rotated to 60 degrees from 90 degrees, meanwhile, a pair of 8-opening clamping plates on the poking needle roller is rotated to a 24-opening first folding position from the 32-opening first folding position, namely, the pair of 8-opening clamping plates is rotated to a position connected with the pair of 8-opening knives, and a pair of 32-opening hooks on the two-folding roller are simultaneously rotated to 24-opening positions from the 32-opening position, namely, then the moving gear and the fixed gear of the first intermediate gear are closed through a switch E;
and step three, disengaging the moving gear and the fixed gear of the second intermediate gear through a switch A, rotating the fixed gear of the second intermediate gear by a set angle through a manual jigger, driving the two-fold rear gear and the gripper rear gear to rotate through the rotation of the fixed gear of the second intermediate gear, and rotating a pair of 32-opening clamping plates on the gripper drum from a 32-opening second folding position to a 24-opening second folding position, namely rotating an included angle of the pair of 32-opening clamping plates relative to a pair of 8-opening clamping plates from 45 degrees to 60 degrees, simultaneously rotating a pair of 32-opening folding knives on the two-folding drum from the 32-opening second folding position to a 24-opening second folding position, namely rotating an included angle of the pair of 32-opening knives relative to a pair of 32-opening hooks from 45 degrees to 60 degrees, and connecting the pair of 32-opening knives with the pair of 32-opening clamping plates, and then closing the moving gear and the fixed gear of the second intermediate gear.
2. The 32-folio to 24-folio switching method of claim 1 wherein switch a, switch C, switch D, and switch E are all two-position, five-way manual valves.
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| CN201911336594.2A CN110963354B (en) | 2019-12-23 | 2019-12-23 | Switching method from 32-fold to 24-fold |
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| CN201911336594.2A CN110963354B (en) | 2019-12-23 | 2019-12-23 | Switching method from 32-fold to 24-fold |
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