CN214526991U - Feeding device of die-cutting machine - Google Patents

Abstract

The utility model relates to a loading attachment of cross cutting machine, belong to the technical field of cross cutting machine, it includes the frame, be provided with the transport mechanism who is used for the conveying cardboard in the frame, along the direction of transfer of cardboard, it lifts up mechanism and baffle to have set gradually in the frame, be provided with the space that can supply a cardboard to pass between baffle and the transport mechanism, still be provided with the limiting plate that is used for correcting cardboard direction of transfer in the frame, but the side butt of limiting plate and cardboard, lift up the mechanism including being used for lifting up the cardboard and keeping away from the board that lifts up of baffle one side, lift up the board and set up in the frame. This application has the effect that improves product quality.

Description

Feeding device of die-cutting machine

Technical Field

The application relates to the field of die-cutting machines, in particular to a feeding device of a die-cutting machine.

Background

The die cutting machine is important equipment for processing and forming the packages after printing, and a die cutting knife can apply certain pressure through a printing plate to roll and cut printed products or paperboards into certain shapes.

Among the correlation technique, chinese utility model patent with publication number CN210709795U discloses a cross cutting machine that packing printing was used, including the box, feeding mechanism, pay-off adjustment mechanism, cross cutting mechanism and unloading mechanism have set gradually on the box. The feeding mechanism comprises a third conveyor belt, a storage rack and a baffle plate, the storage rack is arranged above the third conveyor belt in a spanning mode, the baffle plate is arranged at one end, close to the feeding adjusting mechanism, above the storage rack, and the upper portion of the storage rack is in a shape of a Chinese character 'hui'; two groups of mutually symmetrical pushing blocks are arranged on the third conveying belt and are arranged in the square space of the storage rack. When the die cutting machine is used for carrying out die cutting operation on the paper boards, a worker firstly adjusts the distance between the baffle and the storage rack to enable the distance to just pass through one paper board, then a plurality of paper boards are stacked on the storage rack, the third conveyor belt drives the pushing block to push the lowest paper board to enter the feeding adjusting mechanism through rotation of the third conveyor belt, the paper boards are accurately positioned after adjustment and are fed into the die cutting mechanism, and the paper boards enter the discharging mechanism after the die cutting is completed to discharge.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: in the continuous feeding process, the lowest paper board runs along with the third transmission belt and gradually enters the feeding adjusting mechanism, the side edge of one paper board above the feeding adjusting mechanism, which is far away from the baffle, can fall on the third transmission belt firstly, and the side edge close to the baffle is still abutted against the baffle.

SUMMERY OF THE UTILITY MODEL

In order to improve product quality, the application provides a loading attachment of cross cutting machine.

The application provides a loading attachment of cross cutting machine adopts following technical scheme:

the utility model provides a loading attachment of cross cutting machine, includes the frame, be provided with the transport mechanism who is used for the board of carrying in the frame, follow the direction of transfer of cardboard, it lifts up mechanism and baffle to have set gradually in the frame, be provided with the space that can supply a cardboard to pass between baffle and the transport mechanism, still be provided with the limiting plate that is used for correcting cardboard direction of transfer in the frame, but the side butt of limiting plate and cardboard, it lifts up the board including being used for lifting up the cardboard and keeping away from baffle one side to lift up the mechanism, it sets up in the frame to lift up the board.

By adopting the technical scheme, the paper boards can be placed on the conveying mechanism to be conveyed, when a plurality of paper boards are subjected to die cutting operation in sequence, a worker can stack the paper boards on the conveying mechanism, the paper boards are positioned between the baffle and the lifting board, the lifting board lifts one side of the paper boards far away from the baffle, the paper boards are obliquely arranged, the limiting board is abutted against the side edge of the paper boards to correct the conveying direction of the paper boards, the conveying mechanism is started, one side of the lowest paper board close to the baffle firstly passes through the gap between the baffle and the conveying mechanism, the other side of the lowest paper board falls onto the conveying mechanism through the lifting board and is conveyed away, each paper board is sequentially contacted with the conveying mechanism at the side close to the baffle, the other side of the lowest paper board is contacted with the conveying mechanism due to the effect of lifting board, so that the paper boards are sequentially conveyed smoothly, the friction between the paper boards and the conveying mechanism is reduced, and the abrasion generated on the surface of the paper boards is reduced, thereby improving the product quality.

Optionally, the lifting mechanism further comprises a supporting table and a supporting roller, the supporting table is arranged on the rack, the lifting plate and the supporting roller are both arranged on one side, close to the baffle, of the supporting table, the supporting roller is located on one side, far away from the conveying mechanism, of the lifting plate, and the supporting roller and one side, far away from the baffle, of the paperboard can be abutted.

Through adopting above-mentioned technical scheme, a supporting bench has played certain supporting role for lifting up the board, and the backing roll also keeps away from one side butt of baffle with the cardboard for the cardboard falls in proper order, can reduce too much cardboard and press and lift up the board and cause to lift up the too big condition of board bearing, thereby has reduced the loss that lifts up the board, has prolonged the life who lifts up the board.

Optionally, the brace table slides with the frame and is connected, and the direction of sliding is the planar direction of perpendicular to cardboard conveying, be provided with the actuating mechanism who is used for driving the brace table to slide in the frame, actuating mechanism includes axis of rotation, worm wheel and support lead screw, support lead screw along the planar direction setting of perpendicular to cardboard conveying to rotate with the frame and be connected, support lead screw and brace table threaded connection, and with worm wheel coaxial coupling, the axis of rotation rotates and connects in the frame, axis of rotation and worm coaxial coupling, the worm wheel is connected with the worm meshing.

Through adopting above-mentioned technical scheme, rotate the axis of rotation, drive the worm and rotate, the worm drives the worm wheel and rotates to drive the support screw and rotate, make the brace table slide along the planar direction of perpendicular to cardboard conveying, slide through actuating mechanism drive brace table, make the position that lifts up the board obtain the adjustment, thereby realize the different inclination of cardboard, more do benefit to the not smooth conveying of unidimensional cardboard, thereby increased loading attachment's application scope.

Optionally, the backing roll slides along the direction of transfer of cardboard with the supporting bench and is connected, be provided with the drive assembly who is used for driving the backing roll to slide on the supporting bench, drive assembly is including connecting lead screw and slide, connect the lead screw and set up along the direction of transfer of cardboard, and with the supporting bench rotates to be connected, the slide slides with the supporting bench and is connected, and with connecting lead screw threaded connection, the backing roll passes through the connecting block and is connected with the slide.

Through adopting above-mentioned technical scheme, the staff rotates and connects the lead screw, can drive the slide and slide, the slide through the connecting block alright with driving the backing roll and slide, slide through drive assembly drive backing roll for the staff can be applicable to the material loading of different quantity or size's cardboard according to the quantity of cardboard or the contact position of size adjustment backing roll and cardboard.

Optionally, lift up the board and rotate through pivot and brace table and be connected, the one end coaxial coupling of pivot has the locking gear, it is connected with the locking rack to slide on the brace table, the locking rack can be connected with the meshing with the locking gear.

Through adopting above-mentioned technical scheme, the staff can rotate according to the inclination of cardboard and lift up the board, adjusts the inclination that lifts up the board, lifts up the board turned angle and confirms the back, and locking rack and the locking gear meshing of sliding can lock the turned angle who lifts up the board, and the adjustment that lifts up the board has increased the area of contact who lifts up board and cardboard, reduces the wearing and tearing that the cardboard produced when lifting up the board landing to improve product quality.

Optionally, the conveying mechanism comprises a conveying roller, a driven wheel and a conveying belt which are sequentially arranged on the rack along the conveying direction of the paper board.

Through adopting above-mentioned technical scheme, loop through the transfer roller, follow driving wheel and conveyer belt, can convey the cardboard, stability when having improved the cardboard conveying.

Optionally, a mounting frame is arranged on the rack, a pressing roller and a pressing driving motor for driving the pressing roller to rotate are arranged on the mounting frame, and a gap through which only one paper board passes is formed between the pressing roller and the conveyor belt.

Through adopting above-mentioned technical scheme, pressfitting driving motor can drive the pressfitting roller and rotate, and the cardboard conveys between pressfitting roller and conveyer belt, reduces the condition on cardboard perk limit, has further improved the stability of cardboard conveying.

Optionally, be provided with the installation piece on the mounting bracket, the baffle slides and connects on the installation piece, and the direction of sliding is the planar direction of perpendicular to cardboard conveying, be provided with the regulation lead screw along the planar direction of perpendicular to cardboard conveying on the installation piece, it rotates with the installation piece to adjust the lead screw and is connected, the baffle passes through the sliding piece and adjusts lead screw threaded connection.

Through adopting above-mentioned technical scheme, rotate and adjust the lead screw, can drive the baffle through the sliding block and slide to the space size between adjustment baffle and the transport mechanism, with the conveying that is applicable to different thickness cardboards has increased loading attachment's application scope.

Optionally, the limiting plate is provided with two, and two the limiting plate all slides and connects on the mounting bracket, and the direction of sliding is two the direction that the limiting plate is close to each other or keeps away from, be provided with two-way lead screw along the direction that two limiting plates are close to each other or keep away from on the mounting bracket, one of them limiting plate and the one end threaded connection of two-way lead screw, another the limiting plate is with the other end threaded connection of two-way lead screw, be provided with on the mounting bracket and be used for driving two-way lead screw pivoted spacing driving motor.

Through adopting above-mentioned technical scheme, start spacing driving motor, can drive two-way lead screw and rotate to realize that two limiting plates slide along the direction synchronous that is close to each other or keeps away from, with the cardboard that is applicable to different width size, thereby increased loading attachment's application scope.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the paperboard is positioned between the baffle and the lifting plate, the lifting plate lifts one side of the paperboard far away from the baffle, the paperboard is arranged in an inclined mode, the limiting plate is abutted against the side edge of the paperboard, the conveying direction of the paperboard is corrected, the conveying mechanism is started, one side of the lowest paperboard close to the baffle firstly passes through a gap between the baffle and the conveying mechanism, the other side of the lowest paperboard falls onto the conveying mechanism through the lifting plate, the lowest paperboard is conveyed away and sequentially carried out, one side of each paperboard close to the baffle firstly contacts the conveying mechanism, the other side of each paperboard contacts the conveying mechanism due to the effect of lifting the plate, the paperboards are sequentially conveyed smoothly, friction between the paperboards and the conveying mechanism is reduced, abrasion generated on the surfaces of the paperboards is reduced, and therefore product quality is improved;

2. the supporting table plays a certain supporting role for lifting the board, and the supporting roller is also abutted against one side of the paper board far away from the baffle plate, so that the paper boards can fall down in sequence, the condition that the bearing of the lifted board is overlarge due to the fact that too much paper boards are pressed on the lifted board can be reduced, the loss of the lifted board is reduced, and the service life of the lifted board is prolonged;

3. the supporting table can be driven by the driving mechanism to slide along the direction vertical to the conveying plane of the paper board, so that the position of the lifting plate is adjusted, and the inclination angle of the paper board is correspondingly adjusted.

Drawings

Fig. 1 is a schematic overall structure diagram of a feeding device according to an embodiment of the present application;

FIG. 2 is a partial schematic structural view of a loading device according to an embodiment of the present application, illustrating a conveying mechanism and a lifting mechanism;

FIG. 3 is an exploded view of the support platform and the frame according to the embodiment of the present application;

FIG. 4 is an enlarged schematic view of portion A of FIG. 3;

FIG. 5 is a cross-sectional view of a support table of an embodiment of the present application;

FIG. 6 is a partial schematic structural view of an embodiment of the present application, illustrating the connection of the baffle and the limiting plate with the rack;

FIG. 7 is an exploded view of the baffle and mounting block of an embodiment of the present application;

fig. 8 is a schematic overall structure diagram of the baffle and the sliding block according to the embodiment of the present application.

Description of reference numerals: 1. a frame; 11. a support pillar; 12. a mounting frame; 121. mounting blocks; 122. adjusting the lead screw; 123. turning; 2. a transport mechanism; 21. a conveying roller; 211. a transfer motor; 22. a driven wheel; 23. a conveyor belt; 3. a lifting mechanism; 31. lifting the plate; 311. a rotating shaft; 312. a lock gear; 32. a support table; 321. a locking rack; 322. a sliding cavity; 33. a support roller; 331. connecting blocks; 34. a drive mechanism; 341. a rotating shaft; 342. a worm; 343. a worm gear; 344. a support lead screw; 345. a hand wheel; 35. a drive assembly; 351. connecting a lead screw; 352. a slide plate; 353. a knob; 4. a baffle plate; 41. a sliding block; 42. a rotating wheel; 5. a limiting plate; 6. a press-fit roller; 61. pressing a driving motor; 7. a bidirectional lead screw; 71. and (5) limiting the driving motor.

Detailed Description

The present application is described in further detail below with reference to figures 1-8.

The embodiment of the application discloses loading attachment of cross cutting machine. Referring to fig. 1 and 2, the feeding device includes a frame 1, and a conveying mechanism 2 is provided on the frame 1 to convey a paperboard. Along the conveying direction of the paper boards, a lifting mechanism 3 and a baffle 4 are sequentially arranged on the machine frame 1, a plurality of paper boards can be stacked on the conveying mechanism 2, one side of each paper board can be abutted against the baffle 4, and the other side of each paper board is lifted by the lifting mechanism 3. Still be provided with limiting plate 5 on the frame 1, but the limit plate 5 and the side butt of cardboard to correct the direction of transfer of cardboard, reduce the skew condition of cardboard. The two limiting plates 5 are respectively positioned on two sides of the baffle 4, and the paperboard can be positioned between the two limiting plates 5. A gap through which a sheet of paper can pass is provided between the baffle 4 and the conveying mechanism 2, so that the paper sheets can be conveyed in sequence.

The conveying mechanism 2 comprises a conveying roller 21, a driven roller 22 and a conveying belt 23 which are rotatably connected with the machine frame 1, and the conveying roller 21, the driven roller 22 and the conveying belt 23 are sequentially arranged on the machine frame 1 along the conveying direction of the paper board. A conveying motor 211 for driving the conveying roller 21 to rotate is welded on the frame 1. The conveying motor 211 drives the conveying roller 21 to rotate, the paper boards can be driven to move in sequence, and the driven wheel 22 improves the stability of the paper board movement. A gap through which a piece of paper board can pass is arranged between the baffle 4 and the conveyor belt 23, and the paper board smoothly enters the gap between the baffle 4 and the conveyor belt 23 and is conveyed to the next process.

The lifting mechanism 3 comprises a supporting platform 32 arranged on the frame 1, one side of the supporting platform 32 close to the baffle 4 is provided with a lifting plate 31 at one end close to the conveying roller 21 and a supporting roller 33 at the other end along the direction perpendicular to the conveying plane of the paper board. The lifting plate 31 can lift the side of the cardboard sheet remote from the baffle 4 to tilt the cardboard sheet. The supporting roller 33 can abut against the side of the paper board far away from the baffle 4, so that the situation that the lifting plate 31 is excessively worn due to the fact that excessive paper board is pressed on the lifting plate 31 is reduced.

Referring to fig. 2 and 3, the welding of frame 1 is gone up along the direction of perpendicular to cardboard conveying plane has support column 11, and support column 11 can be worn to locate in a supporting bench 32 to realize that a supporting bench 32 slides with support column 11 and be connected, thereby realize supporting bench 32 and frame 1's the connection that slides, make the position of lifting up board 31 obtain the adjustment, realize the different inclination of cardboard, more do benefit to the smooth conveying of the not unidimensional cardboard.

In order to drive the support platform 32 to slide, a driving mechanism 34 is provided on the frame 1. The driving mechanism 34 includes a rotating shaft 341, the rotating shaft 341 is rotatably connected to the frame 1, and a worm 342 is coaxially welded to the rotating shaft 341. A support screw 344 is rotatably connected to the frame 1, the support screw 344 is arranged along a direction perpendicular to the conveying plane of the paper boards, and a worm wheel 343 is coaxially welded to the support screw 344. The worm wheel 343 is engaged with the worm 342, and the support table 32 is screwed with the support screw 344. A hand wheel 345 is coaxially welded to one end of the rotating shaft 341. The staff can drive the rotation axis 341 to rotate by rotating the hand wheel 345, and drive the worm 342 to rotate, thereby driving the worm wheel 343 to rotate, so as to realize the rotation of the support screw 344, and to make the support platform 32 slide.

Referring to fig. 3 and 4, in order to increase the contact area between the lifting plate 31 and the paper sheet and reduce the abrasion of the paper sheet sliding off the lifting plate 31, a rotating shaft 311 is rotatably connected to the supporting base 32, and the rotating shaft 311 is welded to one side of the lifting plate 31, so that the lifting plate 31 is rotatably connected to the supporting base 32, and thus the inclination angle of the paper sheet can be more suitably adjusted. In order to lock the rotation angle of the lifting plate 31, a locking rack 321 is slidably connected to the support base 32, a locking gear 312 is coaxially welded to one end of the rotation shaft 311, and the locking rack 321 is engaged with the locking gear 312.

Referring to fig. 3 and 5, in order to adapt the feeding device to different numbers or sizes of sheets, the support rollers 33 are slidably connected to the support table 32, with the sliding direction coinciding with the conveying direction of the sheets. In order to drive the supporting roller 33 to slide, a sliding cavity 322 is formed in the supporting table 32 along the conveying direction of the paper board, a driving assembly 35 is arranged on the supporting table 32, the driving assembly 35 comprises a sliding plate 352, the sliding plate 352 is connected with the supporting table 32 in the sliding cavity 322 in a sliding mode, a connecting block 331 is welded on the sliding plate 352, and the supporting roller 33 is connected with the sliding plate 352 through the connecting block 331. A connecting screw 351 is further arranged in the sliding cavity 322 along the conveying direction of the paper board, the connecting screw 351 is rotatably connected with the support platform 32, and the sliding plate 352 is in threaded connection with the connecting screw 351. One end of the connecting screw rod 351 penetrates out of the supporting table 32 and is coaxially welded with the knob 353, and the worker can control the connecting screw rod 351 to rotate by rotating the knob 353, so that the sliding plate 352 is driven to slide, and the sliding of the supporting roller 33 is realized.

Referring to fig. 6, frame 1 erects and is equipped with mounting bracket 12, and in order to make loading attachment be applicable to the material loading of the not cardboard of equidimension, two limiting plate 5 all slide with mounting bracket 12 and be connected, and the direction of sliding is the direction that two limiting plate 5 are close to each other or keep away from. And the direction that is close to each other or keeps away from along two limiting plates 5 on the mounting bracket 12 is provided with two-way lead screw 7, and two-way lead screw 7 rotates with mounting bracket 12 to be connected, and bolted connection has spacing driving motor 71 on mounting bracket 12, and the output shaft of spacing driving motor 71 and two-way lead screw 7 coaxial welding to drive two-way lead screw 7 and rotate.

One of them limiting plate 5 and two-way lead screw 7's one end threaded connection, another limiting plate 5 and two-way lead screw 7's other end threaded connection, when starting spacing driving motor 71, can drive two-way lead screw 7 and rotate to drive two limiting plates 5 and slide mutually in opposite directions or back of the body mutually, with the width that is applicable to the cardboard.

In order to improve the stability of the paper board conveying, so that the paper board is closer to the conveying belt 23, the mounting frame 12 is rotatably connected with the pressing roller 6, and a gap for only one paper board to pass through is arranged between the pressing roller 6 and the conveying belt 23. A stitching driving motor 61 is bolted on the mounting frame 12 to drive the stitching roller 6 to rotate.

Referring to fig. 6 and 7, the mounting frame 12 is welded with a mounting block 121, and in order to make the feeding device suitable for feeding paper boards with different thickness sizes, the baffle 4 is connected with the mounting block 121 in a sliding manner, and the sliding direction is a direction perpendicular to a paper board conveying plane.

Referring to fig. 7 and 8, an adjusting screw 122 is rotatably connected to the mounting block 121, the adjusting screw 122 is disposed along a direction perpendicular to the conveying plane of the paper board, a sliding block 41 is threadedly connected to the adjusting screw 122, the sliding block 41 is slidably connected to the mounting block 121, the sliding direction is perpendicular to the conveying plane of the paper board, and the baffle 4 is welded to the sliding block 41. One end of the adjusting screw rod 122 penetrates through the mounting block 121, the rotating knob 123 is coaxially welded on the mounting block, and a worker can drive the adjusting screw rod 122 to rotate through rotating the rotating knob 123, so that the sliding block 41 is driven to slide, and the sliding of the baffle 4 is realized.

In order to reduce the abrasion degree of the baffle 4 to the paper board, a rotating wheel 42 is rotatably connected to one side of the baffle 4 close to the paper board, and the rotating wheel 42 can be abutted with the paper board.

The implementation principle of the feeding device of the die cutting machine is as follows: before feeding the paper boards, a worker firstly drives the adjusting screw rod 122 to rotate through the rotating knob 123 according to the thickness and the size of the paper boards, so as to drive the sliding block 41 to slide, realize the sliding of the baffle 4, and leave a gap between the rotating wheel 42 and the conveyor belt 23 for only one paper board to pass through.

Then the staff adjusts the lifting mechanism 3 according to the size and the number of the cardboard. Firstly, the hand wheel 345 is rotated to drive the rotating shaft 341 to rotate and the worm 342 to rotate, so as to drive the worm wheel 343 to rotate, so as to rotate the support screw 344, slide the support platform 32, and adjust the position of the lifting plate 31. Then, the knob 353 is rotated to control the connecting screw 351 to rotate, so as to drive the sliding plate 352 to slide, thereby realizing the sliding of the supporting roller 33. After the lifting plate 31 is rotated and the rotation angle is determined, the slide lock rack 321 is engaged with the lock gear 312 to lock the rotation angle of the lifting plate 31.

After the lifting mechanism 3 is adjusted, a plurality of sheets are stacked between the shutter 4 and the lifting mechanism 3, one side of the sheet abuts against the shutter 4, and the other side is lifted by the lifting plate 31. The sheets are inclined, and the last sheet is attached to the conveyor belt 23 on the side close to the baffle 4 and on the other side to the lifting plate 31.

At last, according to the width of the paperboard, the worker firstly starts the limiting driving motor 71 to drive the bidirectional screw 7 to rotate, so that the two limiting plates 5 are driven to slide, the width of the paperboard is suitable for, and the limiting plates 5 are abutted against the side edges of the paperboard.

The conveying motor 211 is started to drive the conveying roller 21 to rotate, the pressing driving motor 61 is started to drive the pressing roller 6 to rotate, and the paper boards are driven to be conveyed smoothly under the action of the conveying roller 21, the pressing roller 6 and the conveying belt 23.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (9)

1. The utility model provides a loading attachment of cross cutting machine which characterized in that: including frame (1), be provided with transport mechanism (2) that are used for carrying the cardboard on frame (1), follow the direction of transfer of cardboard, it lifts mechanism (3) and baffle (4) to have set gradually on frame (1), be provided with the space that can supply a cardboard to pass between baffle (4) and transport mechanism (2), still be provided with limiting plate (5) that are used for correcting cardboard direction of transfer on frame (1), limiting plate (5) can the butt with the side of cardboard, it lifts up board (31) including being used for lifting the cardboard and keeping away from baffle (4) one side to lift mechanism (3), it sets up on frame (1) to lift up board (31).

2. The feeding device of the die cutting machine according to claim 1, characterized in that: the lifting mechanism (3) further comprises a supporting table (32) and supporting rollers (33), the supporting table (32) is arranged on the rack (1), the lifting plate (31) and the supporting rollers (33) are arranged on one side, close to the baffle (4), of the supporting table (32), the supporting rollers (33) are located on one side, far away from the conveying mechanism (2), of the lifting plate (31), and the supporting rollers (33) and one side, far away from the baffle (4), of the paperboard can be abutted.

3. The feeding device of the die cutting machine according to claim 2, characterized in that: the utility model discloses a cardboard conveying device, including support table (32), drive lead screw (344), support frame (341), worm (342), worm wheel (343), support lead screw (344) and rotate to be connected with frame (1), support lead screw (344) and support table (32) threaded connection, and with worm wheel (343), rotation axis (341) rotate to be connected on frame (1), rotation axis (341) and worm (342) coaxial coupling, worm wheel (343) and worm (342) meshing connection.

4. The feeding device of the die cutting machine according to claim 2, characterized in that: the utility model discloses a support roller (33) and support bench (32) are connected along the direction of delivery of cardboard to slide, be provided with on support bench (32) and be used for driving drive assembly (35) that support roller (33) slided, drive assembly (35) are including connecting lead screw (351) and slide (352), connecting lead screw (351) and setting up along the direction of delivery of cardboard, and with support bench (32) rotate to be connected, slide (352) and support bench (32) slide to be connected, and with connect lead screw (351) threaded connection, support roller (33) are connected with slide (352) through connecting block (331).

5. The feeding device of the die cutting machine according to claim 2, characterized in that: lift up board (31) and rotate with brace table (32) through pivot (311) and be connected, the one end coaxial coupling of pivot (311) has locking gear (312), it has locking rack (321) to slide on brace table (32), locking rack (321) and locking gear (312) joggle be connected.

6. The feeding device of the die cutting machine according to claim 1, characterized in that: conveying mechanism (2) include along the direction of transfer of cardboard set gradually conveying roller (21), follow driving wheel (22) and conveyer belt (23) on frame (1).

7. The feeding device of the die cutting machine according to claim 6, characterized in that: the paper board laminating machine is characterized in that a mounting frame (12) is arranged on the rack (1), a laminating roller (6) and a laminating driving motor (61) used for driving the laminating roller (6) to rotate are arranged on the mounting frame (12), and a gap through which only one paper board passes is formed between the laminating roller (6) and the conveyor belt (23).

8. The feeding device of die cutting machine according to claim 7, characterized in that: be provided with installation piece (121) on mounting bracket (12), baffle (4) slide and connect on installation piece (121), and the direction of sliding is perpendicular to cardboard conveying plane's direction, be provided with along perpendicular to cardboard conveying plane's direction on installation piece (121) and adjust lead screw (122), it is connected with installation piece (121) rotation to adjust lead screw (122), baffle (4) are through sliding block (41) and regulation lead screw (122) threaded connection.

9. The feeding device of die cutting machine according to claim 7, characterized in that: limiting plate (5) are provided with two, and two limiting plate (5) all slide and connect on mounting bracket (12), and the direction of sliding is two limiting plate (5) are close to or the direction of keeping away from each other, the direction that is close to or keeps away from each other along two limiting plate (5) on mounting bracket (12) is provided with two-way lead screw (7), one of them limiting plate (5) and the one end threaded connection of two-way lead screw (7), another limiting plate (5) and the other end threaded connection of two-way lead screw (7), be provided with on mounting bracket (12) and be used for driving two-way lead screw (7) pivoted spacing driving motor (71).

Images