阅读说明：本技术 一种用于模切机刀辊的换辊机构及其工作方法 (Roll changing mechanism for cutter roll of die cutting machine and working method of roll changing mechanism ) 是由 孔飞 盛富梅 朱筱华 于 2021-06-18 设计创作，主要内容包括：本发明涉及模切机技术领域,具体的说是一种用于模切机刀辊的换辊机构及其工作方法,包括底板、移动组件、升降组件和安装板,通过使用第一电机进行驱动,使该换辊机构的高度能进行调节,从而进一步提高了该换辊机构使用的灵活性,同时,通过调节换辊机构的高度,能将换辊机构升起,使换辊机构的高度方便工作人员其进行操作,为工作人员的使用提供便利,从而提高了该换辊机构使用的便利性,通过调节调节换辊机构的高度,使该换辊机构上刀辊的维护和更换提供了便利,从而有助于延长该换辊机构使用的寿命,同时,通过升降该换辊机构,使该换辊机构在检修时,能从模切机中独立出来,避免操作人员被模切机伤到,从而提高该换辊机构使用的安全性。(The invention relates to the technical field of die-cutting machines, in particular to a roll changing mechanism for a knife roll of a die-cutting machine and a working method thereof, the roll changing mechanism comprises a bottom plate, a moving assembly, a lifting assembly and a mounting plate, the height of the roll changing mechanism can be adjusted by driving through a first motor, so that the use flexibility of the roll changing mechanism is further improved, meanwhile, the height of the roll changing mechanism can be adjusted, the roll changing mechanism can be lifted, the height of the roll changing mechanism is convenient for a worker to operate, the use convenience of the worker is improved, the use convenience of the roll changing mechanism is improved, the maintenance and the replacement of the knife roll on the roll changing mechanism are facilitated by adjusting the height of the roll changing mechanism, so that the service life of the roll changing mechanism is prolonged, and meanwhile, when the roll changing mechanism is overhauled by lifting the roll changing mechanism, the roller changing mechanism can be independently taken out of the die cutting machine, so that an operator is prevented from being injured by the die cutting machine, and the use safety of the roller changing mechanism is improved.)

1. The utility model provides a roll change mechanism for cross cutting machine rotor, includes bottom plate (1), removes subassembly (4), lifting unit (5) and mounting panel (6), its characterized in that: a first supporting plate (101) and a second supporting plate (102) are welded to the top of the bottom plate (1) respectively, two sliding rods (103) are fixed between the first supporting plate (101) and the second supporting plate (102), sliding blocks (2) are matched on the two sliding rods (103) in a sliding mode, a moving assembly (4) is fixed to the top of each sliding block (2), a lifting assembly (5) is fixed to the top of each moving assembly (4), and a mounting plate (6) is arranged on one side of each lifting assembly (5);

the moving assembly (4) comprises a fixed plate (401), a movable plate (402) and connecting plates (403), the fixed plate (401) is fixedly welded to the top of the sliding block (2), the movable plate (402) is arranged above the top of the fixed plate (401), the movable plate (402) and the fixed plate (401) are arranged in parallel, a plurality of connecting plates (403) are hinged to two sides of the fixed plate (401), the tops of the connecting plates (403) close to one side of the fixed plate (401) are hinged to two sides of the movable plate (402), and the movable plate (402) is movably matched above the top of the fixed plate (401) through the connecting plates (403);

the lifting assembly (5) comprises a chassis (501), supporting rods (502) and lifting blocks (506), the chassis (501) is welded at the top of the movable plate (402), the supporting rods (502) are vertically welded at the top of the chassis (501), top plates (503) are horizontally welded at the tops of the supporting rods (502), and the lifting blocks (506) are slidably matched on the supporting rods (502);

one side that lifting unit (5) were kept away from in mounting panel (6) is installed second motor (601), the one end that second motor (601) is close to mounting panel (6) is connected through pivot and elevator (506), mounting panel (6) are through second motor (601) normal running fit on elevator (506), one side that lifting unit (5) were kept away from in mounting panel (6) is installed the first dabber of a plurality of (603), and a plurality of first dabber (603) all is close to the edge of mounting panel (6), two spout (602) have been seted up to mounting panel (6) one corner.

2. The roll changing mechanism for the cutter roll of die cutting machines of claim 1, wherein: two first slide holes (201) are seted up to the one end of slider (2), and the size in two first slide holes (201) cross-section and the size looks adaptation of two slide bars (103) cross-sections, and slider (2) are through two first slide holes (201) sliding fit on two slide bars (103).

3. The roll changing mechanism for the cutter roll of die cutting machines of claim 1, wherein: first backup pad (101) and second backup pad (102) are parallel arrangement, and first backup pad (101) are close to the one end of bottom plate (1), and pneumatic cylinder (3) are installed to one side that first backup pad (101) were kept away from in second backup pad (102), and pneumatic cylinder (3) are the level setting, and the one end that pneumatic cylinder (3) are close to second backup pad (102) is equipped with hydraulic stem (301), and the one end that pneumatic cylinder (3) were kept away from in hydraulic stem (301) is connected with the one end of slider (2).

4. The roll changing mechanism for the cutter roll of die cutting machines of claim 1, wherein: one end of the fixed plate (401) is hinged with a first lug plate (404), one end of the movable plate (402) is hinged with a second lug plate (405), the first lug plate (404) is rotatably matched with a first lead screw (406), the first lead screw (406) upwards penetrates through the second lug plate (405), and the first lead screw (406) is in threaded fit with the second lug plate (405).

5. The roll changing mechanism for the cutter roll of die cutting machines of claim 4, wherein: a rotating disc (407) is mounted at the top of the first screw rod (406), and a rotating handle (408) is mounted on one side, far away from the first screw rod (406), of the rotating disc (407).

6. The roll changing mechanism for the cutter roll of die cutting machines of claim 1, wherein: a plurality of second slide holes (507) are formed in the top of the lifting block (506), the cross section of each second slide hole (507) is matched with the cross section of each support rod (502), and the lifting block (506) is in sliding fit with the support rods (502) through the second slide holes (507).

7. The roll changing mechanism for the cutter roll of die cutting machines of claim 6, wherein: a second screw rod (505) is rotatably matched between the chassis (501) and the top plate (503), a first motor (504) is installed at the top of the top plate (503), and the bottom of the first motor (504) is connected with the second screw rod (505) through a rotating shaft.

8. The roll changing mechanism for the cutter roll of die cutting machines of claim 1, wherein: the top of the lifting block (506) is provided with a screw hole (508), and the lifting block (506) is in threaded fit with the second screw rod (505) through the screw hole (508).

9. The roll changing mechanism for the cutter roll of die cutting machines of claim 1, wherein: mounting panel (6) are close to two spout (602) and locate normal running fit and have commentaries on classics piece (7), it is located one side that lifting unit (5) were kept away from to mounting panel (6) to change piece (7), it is fixed with layer board (701) and two second dabber (702) to change one side that mounting panel (6) were kept away from in piece (7), two second dabber (702) are located the both sides of layer board (701) respectively, it installs two screws (703) to change one side screw thread that layer board (701) were kept away from in piece (7), two screws (703) are sliding fit respectively in two spout (602).

10. A roll change mechanism for a die cutter cylinder according to any one of claims 1 to 9, wherein: the working method of the roll changing mechanism specifically comprises the following steps:

the method comprises the following steps: the roll changing mechanism is installed on a die cutting machine and is driven by a hydraulic cylinder (3) to move a hydraulic rod (301), the hydraulic rod (301) drives a sliding block (2) to move the sliding block (2) on a sliding rod (103), the position of the roll changing mechanism is adjusted left and right by moving the sliding block (2), and the roll changing mechanism is moved away from a working area of the die cutting machine by adjusting the position of the roll changing mechanism;

step two: the second screw rod (505) is driven by the first motor (504) to rotate, the lifting block (506) moves on the supporting rod (502) by rotating the second screw rod (505), the height of the roller changing mechanism is adjusted by moving the lifting block (506) up and down, and the roller changing mechanism is lifted upwards by a certain height;

step three: after rising roll changing mechanism, the roll body that will not use is lifted off from first dabber (603), the roll body that will use is installed on first dabber (603), drive through second motor (601), make mounting panel (6) rotate, through rotating mounting panel (6), first dabber (603) after will changing the roll body rotate to the below, through adjusting roll changing mechanism's height and controlling the position, make roll changing mechanism get into the workspace of cross cutting machine again, and then accomplish the roll changing operation of cross cutting machine.

Technical Field

The invention relates to the technical field of die cutting machines, in particular to a roller changing mechanism for a knife roller of a die cutting machine and a working method thereof.

Background

The die-cutting machine is mainly used for die cutting, indentation and gold stamping operation, fitting and automatic waste discharge of corresponding non-metal materials, non-setting adhesive, EVA, double-sided adhesive, electronic, mobile phone rubber mats and the like, and utilizes a steel knife, a hardware die and a steel wire, the press plate applies a certain pressure to roll and cut the printed product or the paperboard into a certain shape, which is an important device for packaging, processing and forming after printing, and the die cutting machine has more and more types along with the continuous development of the technology, wherein, the circular knife die-cutting machine is used more and more, has the characteristic of saving cost, is used for embossing, indentation and die-cutting processing of various printing and packaging products, in the process of using the original knife die cutting machine, the knife roller needs to be replaced frequently in order to obtain different rolled products and replace and maintain the die cutting machine, and therefore, a roller replacing mechanism is needed.

However, there is very big problem in the use in current roll change mechanism, current roll change mechanism can not control the regulation, can't be applicable to the cross cutting machine of different models, thereby the scope of using has been reduced, and simultaneously, the flexibility that the back-and-forth movement can not be moved and has reduced service function, current roll change mechanism's height can not adjust, it brings inconvenience in maintaining and changing the rotor for operating personnel, thereby the convenience of using has been reduced, the speed that current roll change mechanism changed is slower, can cause the influence to the production of cross cutting machine, reduce the availability factor of cross cutting machine.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a roll changing mechanism for a cutter roll of a die-cutting machine and a working method thereof.

The technical scheme adopted by the invention for solving the technical problems is as follows: a roll changing mechanism for a cutter roll of a die-cutting machine comprises a bottom plate, a moving assembly, a lifting assembly and a mounting plate, wherein a first supporting plate and a second supporting plate are welded at the top of the bottom plate respectively, two sliding rods are fixed between the first supporting plate and the second supporting plate, sliding blocks are matched on the two sliding rods in a sliding manner, the moving assembly is fixed at the top of each sliding block, the lifting assembly is fixed at the top of the moving assembly, the mounting plate is arranged on one side of the lifting assembly and is driven by a hydraulic cylinder to adjust the position of the roll changing mechanism left and right, so that the roll changing mechanism can be moved to a safe area to be operated, convenience is provided for roll changing operation, meanwhile, the roll changing mechanism can operate at different positions of the die-cutting machine by adjusting the position of the roll changing mechanism left and right, and further can be used on die-cutting machines of different models, by using the slide bar, the roll changing mechanism moves leftwards and rightwards more flexibly and smoothly, so that the roll changing mechanism is more stably adjusted in a moving way, and the roll changing mechanism is prevented from colliding with a die cutting machine in the moving and adjusting process;

the movable assembly comprises a fixed plate, a movable plate and connecting plates, the fixed plate is welded and fixed to the top of the sliding block, the movable plate is arranged above the top of the fixed plate and is arranged in parallel with the fixed plate, a plurality of connecting plates are hinged to two sides of the fixed plate, the tops of the connecting plates, close to one side of the fixed plate, are hinged to two sides of the movable plate respectively, and the movable plate is movably matched above the top of the fixed plate through the connecting plates;

the lifting assembly comprises a chassis, supporting rods and lifting blocks, the chassis is welded at the top of the movable plate, a plurality of supporting rods are vertically welded at the top of the chassis, top plates are horizontally welded at the tops of the supporting rods, and the lifting blocks are matched on the supporting rods in a sliding manner;

the utility model discloses a roll changing mechanism, including mounting panel, elevating assembly, second motor, mounting panel, first dabber, second motor, lifting block, first dabber, second motor running-on fit, drive through the second motor on the lifting block, rotate the mounting panel, can be automatic change the roller, reduce manual operation, reduce the time of roll changing, improve the availability factor of the cross cutting machine of this roll changing mechanism of installation, the one side that elevating assembly was kept away from to the mounting panel is installed a plurality of first dabber, and a plurality of first dabber all is close to the edge of mounting panel, through setting up a plurality of first dabbers, makes this roll changing mechanism can install multiple roll body simultaneously, facilitates for follow-up cross cutting machine change roll body, saves the time of follow-up change, two spouts have been seted up to the mounting panel one corner.

Preferably, one end of the sliding block is provided with two first sliding holes, the cross sections of the two first sliding holes are matched with the cross sections of the two sliding rods, and the sliding block is in sliding fit with the two sliding rods through the two first sliding holes.

Preferably, first backup pad and second backup pad are parallel arrangement, and first backup pad is close to the one end of bottom plate, and the pneumatic cylinder is installed to one side that first backup pad was kept away from to the second backup pad, and the pneumatic cylinder is the level setting, and the one end that the pneumatic cylinder is close to the second backup pad is equipped with the hydraulic stem, and the one end that the pneumatic cylinder was kept away from to the hydraulic stem is connected with the one end of slider.

Preferably, the one end of fixed plate articulates there is first otic placode, the one end of fly leaf articulates there is the second otic placode, normal running fit has first lead screw on the first otic placode, first lead screw upwards runs through the second otic placode, and first lead screw and second otic placode screw-thread fit, through rotating first lead screw, make the fly leaf move on first lead screw, through removing the fly leaf, make this roll change mechanism can adjust from beginning to end, and then make this roll change mechanism roll the position of cutting on the cross cutting machine can change in a flexible way, thereby the flexibility that this roll change mechanism used has been improved, simultaneously, through the position that the cross cutting machine rolled the cutting in a flexible way, make the cross cutting machine who installs this roll change mechanism process more product.

Preferably, the carousel is installed at the top of first lead screw, and the carousel is kept away from one side of first lead screw and is installed and change the handle, and through rotating the carousel, the carousel drives first lead screw and rotates, changes the handle through setting up, provides convenience for rotating the carousel.

Preferably, a plurality of second slide holes are formed in the top of the lifting block, the cross section of each second slide hole is matched with the cross section of each support rod in size, and the lifting block is matched with the support rods through the second slide holes in a sliding mode.

Preferably, a second screw rod is matched between the chassis and the top plate in a rotating mode, a first motor is installed at the top of the top plate, and the bottom of the first motor is connected with the second screw rod through a rotating shaft.

Preferably, a screw has been seted up at the top of elevator, the elevator passes through screw and second lead screw thread fit, drive through using first motor, make this roll change mechanism's height adjust, and simultaneously, through the height of adjusting roll change mechanism, can rise roll change mechanism, make roll change mechanism's height make things convenient for staff's it to operate, facilitate for staff's use, adjust roll change mechanism's height through adjusting, make this roll change mechanism go up the maintenance and change of rotor provide convenience, and simultaneously, through this roll change mechanism that goes up and down, make this roll change mechanism when overhauing, can independently come out from the cross cutting machine, avoid operating personnel to be hindered by the cross cutting machine.

Preferably, the mounting panel is close to two spout departments normal running fit and has the commentaries on classics piece, the commentaries on classics piece is located the one side that lifting unit was kept away from to the mounting panel, the one side that the mounting panel was kept away from to the commentaries on classics piece is fixed with layer board and two second dabbers, two second dabbers are located the both sides of layer board respectively, the commentaries on classics piece is kept away from one side screw thread of layer board and is installed two screws, two screws sliding fit respectively are in two spouts, through setting up two second dabbers, make this roll change mechanism can carry out two-sided roll and cut, through removing the screw in the spout, can change the inclination of two second dabbers, and then acquire the different effect of cutting.

Preferably, the working method of the roll changing mechanism specifically comprises the following steps:

the method comprises the following steps: the roll changing mechanism is installed on a die cutting machine, a hydraulic rod is driven by a hydraulic cylinder to move, the hydraulic rod drives a sliding block to move on the sliding rod, the position of the roll changing mechanism is adjusted left and right by moving the sliding block, and the roll changing mechanism is moved away from a working area of the die cutting machine by adjusting the position of the roll changing mechanism;

step two: the second screw rod is driven by the first motor to rotate, the lifting block is moved on the supporting rod by rotating the second screw rod, the height of the roller changing mechanism is adjusted by moving the lifting block up and down, and the roller changing mechanism is lifted upwards by a certain height;

step three: after the roll changing mechanism is lifted, the roll body which is not needed to be used is detached from the first mandrel, the roll body which is needed to be used is installed on the first mandrel and is driven by the second motor, the installation plate is rotated, the first mandrel after the roll body is changed is rotated to the lowest position through rotating the installation plate, the roll changing mechanism enters the working area of the die cutting machine again through adjusting the height and the left and right positions of the roll changing mechanism, and then the roll changing operation of the die cutting machine is completed.

The invention has the beneficial effects that:

(1) the roll changing mechanism for the cutter roll of the die-cutting machine and the working method thereof are driven by the hydraulic cylinder to adjust the position of the roll changing mechanism left and right, so that the roll changing mechanism can move to a safe area to operate, convenience is provided for roll changing operation, the convenience of the use of the roll changing mechanism is improved, meanwhile, the roll changing mechanism can operate at different positions of the die-cutting machine by adjusting the position of the roll changing mechanism left and right, the roll changing mechanism can be used on die-cutting machines of different models, the use range of the roll changing mechanism is improved, the roll changing mechanism can move leftwards and rightwards more flexibly and smoothly by using the sliding rod, the roll changing mechanism can move and adjust more stably, the roll changing mechanism is prevented from colliding with the die-cutting machine in the moving and adjusting process, and the use reliability of the die-cutting machine is improved, the rotary plate drives the first screw rod to rotate by rotating the rotary plate, the movable plate moves on the first screw rod by rotating the first screw rod, the roller changing mechanism can be adjusted front and back by moving the movable plate, and then the roll cutting position of the roller changing mechanism on the die cutting machine can be flexibly changed, so that the use flexibility of the roller changing mechanism is improved, and meanwhile, the die cutting machine provided with the roller changing mechanism can process more products by flexibly changing the roll cutting position of the die cutting machine.

(2) The invention relates to a roll changing mechanism for a cutter roll of a die-cutting machine and a working method thereof, which are driven by a first motor to adjust the height of the roll changing mechanism, thereby further improving the flexibility of the roller changing mechanism, simultaneously, the roller changing mechanism can be lifted by adjusting the height of the roller changing mechanism, the height of the roller changing mechanism is convenient for the operation of workers, the use of the workers is convenient, thereby improving the use convenience of the roll changing mechanism, facilitating the maintenance and replacement of the knife roll on the roll changing mechanism by adjusting the height of the roll changing mechanism, thereby help prolonging the life-span that this roll changing mechanism used, simultaneously, through this roll changing mechanism of lift, make this roll changing mechanism when overhauing, can independently come out from the cross cutting machine, avoid operating personnel to be hindered by the cross cutting machine to improve the security that this roll changing mechanism used.

(3) The invention relates to a roll changing mechanism for a cutter roll of a die-cutting machine and a working method thereof, by arranging the plurality of first mandrels, the roller changing mechanism can be used for simultaneously installing a plurality of roller bodies, thereby providing convenience for the subsequent die cutting machine to change the roller bodies, saving the subsequent changing time, thereby improving the use efficiency of the roll changing mechanism, and the roll changing mechanism can automatically change the roll by driving the second motor and rotating the mounting plate, thereby improving the automation of the roll changing mechanism, reducing manual operation, reducing the roll changing time, improving the use efficiency of the die cutting machine provided with the roll changing mechanism, leading the roll changing mechanism to carry out double-sided rolling cutting by arranging two second mandrels, thereby further improving the application range of the roll changing mechanism, changing the inclination angles of the two second mandrels by moving the screw in the chute, thereby obtaining different rolling and cutting effects and further improving the application range of the roll changing mechanism.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic view of the overall structure of the present invention.

FIG. 2 is a schematic view of a slider structure according to the present invention.

Fig. 3 is a schematic structural diagram of the hydraulic cylinder of the present invention.

FIG. 4 is a schematic diagram of a moving assembly according to the present invention.

Fig. 5 is a schematic structural view of the lifting assembly of the present invention.

Fig. 6 is a schematic view of the lifting block structure of the present invention.

FIG. 7 is a schematic view of the structure of the mounting plate of the present invention.

In the figure: 1. a base plate; 101. a first support plate; 102. a second support plate; 103. a slide bar; 2. a slider; 201. a first slide hole; 3. a hydraulic cylinder; 301. a hydraulic lever; 4. a moving assembly; 401. a fixing plate; 402. a movable plate; 403. a connecting plate; 404. a first ear plate; 405. a second ear panel; 406. a first lead screw; 407. a turntable; 408. turning a handle; 5. a lifting assembly; 501. a chassis; 502. a support bar; 503. a top plate; 504. a first motor; 505. a second lead screw; 506. a lifting block; 507. a second slide hole; 508. a screw hole; 6. mounting a plate; 601. a second motor; 602. a chute; 603. a first mandrel; 7. rotating the block; 701. a support plate; 702. a second mandrel; 703. and (4) screws.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1-7, the roll changing mechanism for a die cutting machine knife roll according to the present invention comprises a bottom plate 1, a moving assembly 4, a lifting assembly 5 and a mounting plate 6, wherein a first supporting plate 101 and a second supporting plate 102 are welded on the top of the bottom plate 1 respectively, two sliding rods 103 are fixed between the first supporting plate 101 and the second supporting plate 102, a sliding block 2 is slidably fitted on the two sliding rods 103, the moving assembly 4 is fixed on the top of the sliding block 2, the lifting assembly 5 is fixed on the top of the moving assembly 4, the mounting plate 6 is arranged on one side of the lifting assembly 5, the position of the roll changing mechanism is driven by a hydraulic cylinder 3 to be adjusted left and right, so that the roll changing mechanism can move to a safe area for operation, convenience is provided for roll changing operation, and therefore, the convenience of the use of the roll changing mechanism is improved, and meanwhile, the position of the roll changing mechanism is adjusted left and right, the roller changing mechanism can operate at different positions of the die cutting machine, and can be used on die cutting machines of different models, so that the application range of the roller changing mechanism is improved, the roller changing mechanism can move leftwards and rightwards more flexibly and smoothly by using the slide bar 103, the roller changing mechanism can move and adjust more stably, the roller changing mechanism is prevented from colliding with the die cutting machine in the moving and adjusting process, and the use reliability of the die cutting machine is improved;

the moving assembly 4 comprises a fixed plate 401, a movable plate 402 and connecting plates 403, the fixed plate 401 is welded and fixed on the top of the slider 2, the movable plate 402 is arranged above the top of the fixed plate 401, the movable plate 402 and the fixed plate 401 are arranged in parallel, a plurality of connecting plates 403 are hinged to two sides of the fixed plate 401, the tops of the connecting plates 403 close to one side of the fixed plate 401 are respectively hinged to two sides of the movable plate 402, and the movable plate 402 is movably matched above the top of the fixed plate 401 through the connecting plates 403;

the lifting assembly 5 comprises a chassis 501, supporting rods 502 and lifting blocks 506, wherein the chassis 501 is welded on the top of the movable plate 402, a plurality of supporting rods 502 are vertically welded on the top of the chassis 501, top plates 503 are horizontally welded on the tops of the supporting rods 502, and the lifting blocks 506 are slidably matched on the supporting rods 502;

a second motor 601 is arranged on one side of the mounting plate 6 far away from the lifting component 5, one end of the second motor 601 close to the mounting plate 6 is connected with the lifting block 506 through a rotating shaft, the mounting plate 6 is rotatably matched on the lifting block 506 through the second motor 601 and is driven by the second motor 601 to rotate the mounting plate 6, roll changing can be automatically carried out, so that the automation of the use of the roll changing mechanism is improved, manual operation is reduced, the roll changing time is reduced, and the use efficiency of a die-cutting machine for mounting the roll changing mechanism is improved, a plurality of first mandrels 603 are arranged on one side of the mounting plate 6 far away from the lifting component 5, the plurality of first mandrels 603 are all close to the edge of the mounting plate 6, and by arranging the plurality of first mandrels 603, the roll changing mechanism can simultaneously mount a plurality of roll bodies, so as to facilitate the roll body changing of a subsequent die-cutting machine, the time for subsequent roll changing is saved, and the use efficiency of the roll changing mechanism is improved, two sliding grooves 602 are formed at one corner of the mounting plate 6.

Two first slide holes 201 are opened to the one end of slider 2, and the size of two first slide holes 201 cross-sections and the size looks adaptation of two slide bars 103 cross-sections, and slider 2 is through two first slide holes 201 sliding fit on two slide bars 103.

First backup pad 101 and second backup pad 102 are parallel arrangement, and first backup pad 101 is close to the one end of bottom plate 1, and second backup pad 102 is kept away from one side of first backup pad 101 and is installed pneumatic cylinder 3, and pneumatic cylinder 3 is the level setting, and the one end that pneumatic cylinder 3 is close to second backup pad 102 is equipped with hydraulic stem 301, and hydraulic stem 301 keeps away from the one end of pneumatic cylinder 3 and is connected with the one end of slider 2.

One end of the fixed plate 401 is hinged with a first lug plate 404, one end of the movable plate 402 is hinged with a second lug plate 405, the first lug plate 404 is matched with a first screw rod 406 in a rotating mode, the first screw rod 406 upwards penetrates through the second lug plate 405, the first screw rod 406 is in threaded fit with the second lug plate 405, the movable plate 402 is enabled to move on the first screw rod 406 by rotating the first screw rod 406, the roller changing mechanism can be adjusted front and back by moving the movable plate 402, and then the rolling position of the roller changing mechanism on a die cutting machine can be flexibly changed, so that the use flexibility of the roller changing mechanism is improved, meanwhile, the rolling position of the die cutting machine is flexibly changed, and the die cutting machine provided with the roller changing mechanism can process more products.

The top of the first screw rod 406 is provided with a rotary table 407, one side of the rotary table 407 far away from the first screw rod 406 is provided with a rotary handle 408, the rotary table 407 drives the first screw rod 406 to rotate by rotating the rotary table 407, and convenience is provided for rotating the rotary table 407 by arranging the rotary handle 408.

The top of the lifting block 506 is provided with a plurality of second sliding holes 507, the cross section of the second sliding holes 507 is matched with the cross section of the support rods 502, and the lifting block 506 is in sliding fit with the support rods 502 through the second sliding holes 507.

A second screw rod 505 is rotatably matched between the bottom plate 501 and the top plate 503, a first motor 504 is installed on the top of the top plate 503, and the bottom of the first motor 504 is connected with the second screw rod 505 through a rotating shaft.

The top of the lifting block 506 is provided with a screw hole 508, the lifting block 506 is in threaded fit with a second screw rod 505 through the screw hole 508, the roller changing mechanism can be adjusted in height through driving by using the first motor 504, so that the use flexibility of the roller changing mechanism is further improved, meanwhile, the roller changing mechanism can be lifted through adjusting the height of the roller changing mechanism, so that the height of the roller changing mechanism is convenient for a worker to operate, the use of the worker is facilitated, the use convenience of the roller changing mechanism is improved, the maintenance and the replacement of a knife roll on the roller changing mechanism are facilitated through adjusting the height of the roller changing mechanism, the service life of the roller changing mechanism is prolonged, meanwhile, the roller changing mechanism can be independently taken out of a die-cutting machine during maintenance through lifting of the roller changing mechanism, and the operator is prevented from being injured, thereby improving the safety of the roll changing mechanism.

The mounting plate 6 is close to two chutes 602 and has a rotating block 7 in running fit, the rotating block 7 is located on one side of the mounting plate 6 far away from the lifting component 5, one side of the rotating block 7 far away from the mounting plate 6 is fixed with a supporting plate 701 and two second mandrels 702, the two second mandrels 702 are respectively located on two sides of the supporting plate 701, two screws 703 are installed on one side of the rotating block 7 far away from the supporting plate 701 in a threaded manner, the two screws 703 are respectively in sliding fit in the two chutes 602, through the arrangement of the two second mandrels 702, the roller changing mechanism can perform double-sided rolling and cutting, so that the use range of the roller changing mechanism is further improved, the inclination angles of the two second mandrels 702 can be changed by moving the screws 703 in the chutes 602, and then different rolling and cutting effects are obtained, so that the use range of the roller changing mechanism is further improved.

The working method of the roll changing mechanism specifically comprises the following steps:

the method comprises the following steps: the roll changing mechanism is installed on a die cutting machine and is driven by a hydraulic cylinder 3 to enable a hydraulic rod 301 to move, the hydraulic rod 301 drives a sliding block 2 to enable the sliding block 2 to move on a sliding rod 103, the position of the roll changing mechanism is adjusted left and right by moving the sliding block 2, and the roll changing mechanism is moved away from a working area of the die cutting machine by adjusting the position of the roll changing mechanism;

step two: the second screw rod 505 is driven by the first motor 504 to rotate, the lifting block 506 moves on the supporting rod 502 by rotating the second screw rod 505, the height of the roller changing mechanism is adjusted by moving the lifting block 506 up and down, and the roller changing mechanism is lifted upwards by a certain height;

step three: after the roll changing mechanism is lifted, the roller bodies which are not needed to be used are detached from the first mandrel 603, the roller bodies which are needed to be used are installed on the first mandrel 603, the second motor 601 drives the mounting plate 6 to rotate, the mounting plate 6 is rotated, the first mandrel 603 after the roller bodies are changed is rotated to the lowest position through rotating the mounting plate 6, the height and the left and right positions of the roll changing mechanism are adjusted, the roll changing mechanism enters the working area of the die cutting machine again, and then the roll changing operation of the die cutting machine is completed.

When in use, firstly, the roll changing mechanism is arranged on a die cutting machine, the hydraulic rod 301 is driven by the hydraulic cylinder 3 to move, the hydraulic rod 301 drives the sliding block 2, the sliding block 2 moves on the sliding rod 103, the position of the roll changing mechanism is adjusted left and right by moving the sliding block 2, the roll changing mechanism is moved away from a working area of the die cutting machine by adjusting the position of the roll changing mechanism, the hydraulic cylinder 3 is used for driving the roll changing mechanism to adjust the position of the roll changing mechanism left and right, so that the roll changing mechanism can be moved to a safe area for operation, convenience is provided for roll changing operation, the convenience of the use of the roll changing mechanism is improved, meanwhile, the roll changing mechanism can operate at different positions of the die cutting machine by adjusting the position of the roll changing mechanism left and right, so that the roll changing mechanism can be used on die cutting machines of different models, and the use range of the roll changing mechanism is improved, the roll changing mechanism is more flexible and smooth in left-right movement by using the slide rod 103, so that the roll changing mechanism is more stable in movement adjustment, the roll changing mechanism is prevented from colliding with a die cutting machine in the movement adjustment process, the reliability of the use of the die cutting machine is improved, the rotary disc 407 is rotated to drive the first screw rod 406 to rotate, the movable plate 402 is moved on the first screw rod 406 by rotating the first screw rod 406, the roll changing mechanism can be adjusted front and back by moving the movable plate 402, the roll cutting position of the roll changing mechanism on the die cutting machine can be flexibly changed, the flexibility of the use of the roll changing mechanism is improved, meanwhile, the die cutting machine provided with the roll changing mechanism can process more products by flexibly changing the roll cutting position of the die cutting machine, then, the first motor 504 is driven to drive the second screw rod 505 to rotate, and the second screw rod 505 is rotated, the lifting block 506 is moved on the supporting rod 502, the height of the roll changing mechanism is adjusted by moving the lifting block 506 up and down, the roll changing mechanism is lifted up to a certain height, the height of the roll changing mechanism can be adjusted by driving through the first motor 504, so that the use flexibility of the roll changing mechanism is further improved, meanwhile, the roll changing mechanism can be lifted up by adjusting the height of the roll changing mechanism, so that the height of the roll changing mechanism is convenient for workers to operate, the use of the workers is convenient, the use convenience of the roll changing mechanism is improved, the maintenance and the replacement of a knife roll on the roll changing mechanism are convenient by adjusting the height of the roll changing mechanism, so that the service life of the roll changing mechanism is prolonged, meanwhile, the roll changing mechanism can be independent from a die-cutting machine during maintenance through lifting the roll changing mechanism, avoiding the operator from being hurt by the die cutting machine, thereby improving the use safety of the roll changing mechanism, finally, after the roll changing mechanism is lifted, the roller body which is not needed to be used is dismounted from the first mandrel 603, the roller body which is needed to be used is mounted on the first mandrel 603, the mounting plate 6 is driven by the second motor 601 to rotate, the first mandrel 603 after the roller body is replaced is rotated to the lowest part by rotating the mounting plate 6, the roll changing mechanism enters the working area of the die cutting machine again by adjusting the height and the left and right positions of the roll changing mechanism, thereby completing the roll changing operation of the die cutting machine, the roll changing mechanism can simultaneously mount a plurality of roller bodies by arranging a plurality of first mandrels 603, thereby providing convenience for the subsequent roll body replacement of the die cutting machine, saving the subsequent time for replacing, thereby improving the use efficiency of the roll changing mechanism, the mounting plate 6 is driven by the second motor 601, roll changing can be automated, thereby improving the automation that this roll changing mechanism used, reduce manual operation, reduce the time of roll changing, improve the availability factor of the cross cutting machine of this roll changing mechanism of installation, through setting up two second dabbers 702, make this roll changing mechanism can carry out two-sided roll cutting, thereby further improve the scope that this roll changing mechanism used, through removing screw 703 in spout 602, can change the inclination of two second dabbers 702, and then acquire different roll cutting effects, thereby further improve the scope that this roll changing mechanism used.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.