CN211590340U

CN211590340U - Paper cutting machine

Info

Publication number: CN211590340U
Application number: CN202020011076.5U
Authority: CN
Inventors: 于峰大; 于祥大; 孙帅帅; 牟黎黎; 赵淑秋
Original assignee: Qingdao Huijucheng Packaging Material Co ltd
Current assignee: Qingdao Huijucheng Packaging Material Co ltd
Priority date: 2020-01-03
Filing date: 2020-01-03
Publication date: 2020-09-29
Anticipated expiration: 2030-01-03

Abstract

The utility model relates to a paper cutter belongs to printing packaging machinery technical field, include: the paper pushing mechanism comprises a paper pushing frame, a transmission rod and a transmission shaft, wherein the paper pushing frame is arranged on a sliding rail preset at the rear half part of the workbench in a sliding mode, the transmission rod is rotatably arranged in the sliding rail, the paper pushing frame is slidably embedded in the sliding rail, a nut seat matched with the transmission rod is arranged at the part, which is embedded in the sliding rail, of the paper pushing frame in a sliding mode, a driven bevel gear is arranged at the tail end of the transmission rod, a driving bevel gear meshed with the driven bevel gear is arranged on the transmission shaft, and a driving assembly used for driving the transmission shaft to rotate is arranged between the workbench and the transmission shaft; the utility model discloses an adopt the transfer line that transmission error is littleer, can guarantee to push away the position precision of paper frame to accurate control is cut the quality that the position cut in order to improve and cut of paper article.

Description

Paper cutting machine

Technical Field

The utility model relates to a printing packaging machinery technical field especially relates to a paper cutter.

Background

The paper cutter is used for processing the paper cutting requirement in the later printing period and can cut large-size paper into smaller-size paper with required size; the paper cutting machine mainly comprises a host (also called a gantry), a workbench, a paper pushing mechanism, a paper pressing mechanism, a cutting mechanism and the like; the paper pushing mechanism is used for pushing paper to be positioned and used as a rear gauge, the paper pressing mechanism is used for pressing the positioned paper tightly, the original positioning precision is not damaged in the cutting process, the cutting mechanism is used for cutting the paper, the side baffle is used as a side baffle gauge, and the workbench plays a supporting role.

A prior art paper cutter disclosed in patent No. CN105965584B includes: the paper cutting platform and the paper pushing frame are movably arranged in the front and back direction on the surface of the rear half paper cutting platform, a paper pushing block is fixedly installed at the front end of the paper pushing frame, grid teeth are arranged on the paper pushing surface of the paper pushing block, a plurality of strip-shaped shallow grooves in the front and back direction are transversely distributed on the surface of the rear half paper cutting platform, the strip-shaped shallow grooves correspond to the grid teeth, and inserting plates extending downwards are arranged at the bottoms of the grid teeth and inserted into the strip-shaped shallow grooves; when the longitudinal cylinder pushes the paper pushing frame to move, paper cannot enter a channel at the bottom of the paper pushing block in the paper pushing process, so that the paper jamming problem is solved, and the paper cutter is ensured to always perform normal paper pushing work.

The existing paper cutter has the following defects: when the paper pushing frame is pushed to move by the air cylinder, the compressibility of air is high, so that the position precision of the paper pushing frame cannot be ensured, and the size of a cut paper product is difficult to ensure; therefore, the existing paper cutter can be further improved.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a paper cutter, it can guarantee to push away the position precision of paper frame through adopting the less transfer line of transmission error to accurate control is cut the quality that the position cuts in order to improve of paper article.

The above object of the present invention can be achieved by the following technical solutions:

a paper cutter comprising: portal frame and workstation, be equipped with on the workstation and be used for carrying out the paper mechanism that pushes away that cuts paper article propelling movement to portal frame department, push away paper mechanism including slide set up push away paper frame, transfer line and transmission shaft on the slide rail that workstation back half portion was preset, wherein, the transfer line rotationally sets up in the slide rail, push away the paper frame and slide to inlay and locate the nut seat that the slide rail part was provided with and transfer line looks adaptation, the transfer line tail end is equipped with passive bevel gear, be provided with the initiative bevel gear with passive bevel gear engaged with on the transmission shaft, be equipped with between workstation and the transmission shaft and be used for driving transmission shaft pivoted drive assembly.

By adopting the technical scheme, the driving assembly arranged on the paper cutter can drive the transmission shaft to rotate, and the rotating shaft is meshed through the bevel gear to drive the transmission rod to rotate, so that the paper pushing frame slides along a sliding rail preset at the rear half part of the workbench, and paper placed at the rear half part of the workbench is pushed to the portal frame to be cut; because the error of the transmission rod during transmission is small, the position precision of the paper pushing frame can be ensured, and the cutting position of the cut paper can be accurately controlled to improve the cutting quality.

Further, the drive assembly includes: the worm wheel is arranged in the middle of the transmission shaft, the first driving part is fixedly arranged on the workbench, one end of the worm is connected with the output end of the first driving part, and the worm wheel are in meshed transmission.

By adopting the technical scheme, when the first driving part works, the worm can be driven to rotate, and simultaneously the worm can drive the worm wheel to rotate, so that the transmission shaft rotates, and the transmission rod drives the paper pushing frame to move along the extending direction of the sliding rail; the phenomenon of skidding can be avoided appearing in the transmission process through worm gear meshing transmission.

Further, the drive assembly includes: the driving chain wheel, the driven chain wheel, the transmission chain and the second driving part, wherein the driven chain wheel is installed in the middle of the transmission shaft, the driving chain wheel is installed at the output end of the second driving part, the second driving part is fixedly arranged on the workbench, and the driving chain wheel and the driven chain wheel are connected through the transmission chain for transmission.

By adopting the technical scheme, when the first driving part works, the first driving part can drive the driving chain wheel to rotate, the driving chain wheel drives the driven chain wheel and the transmission shaft to rotate through the transmission chain, and the transmission rod drives the paper pushing frame to move along the extending direction of the sliding rail; the chain transmission can avoid the phenomenon of slipping in the transmission process.

Further, the transmission ratio between the driving sprocket and the driven sprocket is between 10 and 15.

By adopting the technical scheme, the rotating speed of the transmission shaft is reduced, so that the transmission rod is more stable in the transmission process, and the paper pushing frame is more stable in the paper pushing process.

Further, it compresses tightly the subassembly to be equipped with one on the paper pushing mechanism, it includes to compress tightly the subassembly: the utility model discloses a paper frame, including the bar tooth the place ahead clamp plate, connecting plate and two at least guide bars, wherein, the guide bar is vertical arrangement, and the guide bar slides and sets up in the guiding hole that is preset on pushing away the paper frame, the clamp plate sets up in the guide bar bottom, the connecting plate sets up in the guide bar top, push away and install the third driver part that is used for promoting the connecting plate to go up and down on the paper frame.

By adopting the technical scheme, when the paper pushing frame pushes the paper to the portal frame, the third driving part drives the pressing plate to descend so as to press the paper first, and then the paper pushing frame pushes the paper to the portal frame, so that the paper is prevented from continuously moving forwards under the condition that the paper pushing frame stops due to inertia, and the precision of paper cutting is further ensured.

Furthermore, a protective rubber pad is arranged on the end face of the pressing plate, which is abutted to the paper product.

By adopting the technical scheme, the protective rubber pad is arranged on the end face, abutted to the paper board, of the pressing block, so that the topmost paper board can be effectively prevented from being crushed by corners of the pressing block.

Furthermore, a plurality of spring balls are arranged on the top surface of the front half part of the workbench.

By adopting the technical scheme, the spring beads are arranged on the top surface of the front half part of the workbench, so that friction between a processed finished product and the workbench can be effectively reduced.

Furthermore, an infrared protection device is arranged on the portal frame and is positioned above the front half part of the workbench.

Adopt above-mentioned technical scheme, through setting up an infrared protection device for can stop the operation of cutting the mechanism when sensing the human body and being close to and cutting the mechanism, avoid cutting the mechanism and cause the injury to operating personnel, thereby improve the security of paper cutter.

The utility model adopts the above technical scheme, its beneficial effect lies in:

(1) the paper pushing frame is pushed to slide by the transmission rod, so that the position precision of the paper pushing frame can be effectively guaranteed, and the cutting position of a cut paper product is accurately controlled to improve the cutting quality.

(2) The rotating speed of the transmission shaft is reduced, so that the transmission rod is more stable in the transmission process, and the paper pushing frame is more stable in the paper pushing process.

Drawings

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

fig. 2 is a schematic structural diagram of a position of a driving assembly according to a first embodiment of the present invention;

fig. 3 is a schematic structural diagram of a position of the driving assembly in the second embodiment of the present invention.

Reference numerals: 1. a machine base; 2. a gantry; 3. a work table; 41. a paper pushing frame; 411. a slider; 42. a transmission rod; 421. a driven bevel gear; 43. a drive shaft; 431. a drive bevel gear; 44. grid teeth; 51. a worm gear; 52. a worm; 53. a first drive member; 54. a drive sprocket; 55. a driven sprocket; 56. a drive chain; 57. a second drive member; 6. a compression assembly; 61. pressing a plate; 62. a guide bar; 63. a connecting plate; 64. a third drive member; 7. a spring bead; 8. an infrared protection device.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The first embodiment is as follows:

referring to fig. 1, a paper cutter includes: the gantry type automatic drilling machine comprises a machine base 1, a gantry 2 and a workbench 3, wherein the gantry 2 is arranged on the machine base 1, the workbench 3 is horizontally arranged, and the middle part of the workbench 3 is connected with the bottom of the gantry 2, so that the workbench 3 is divided into a rear half part positioned at the rear side of the gantry 2 and a front half part positioned at the front side of the gantry 2; a paper pressing mechanism for pressing the paper is arranged on the portal frame 2, so that the paper can be prevented from moving in the cutting process, and a cutting mechanism for cutting the paper is arranged on the portal frame 2; a paper pushing mechanism for pushing the paper products to the portal frame 2 for cutting is arranged at the rear half part of the workbench 3; during the use, will place the paper propelling movement of half one half back of workstation 3 to portal frame 2 department through pushing away paper mechanism to compress tightly the paper article by nipper, at this moment, cut the paper article through cutting the mechanism and can accomplish processing.

Referring to fig. 2 and 3, in the present embodiment, the paper pushing mechanism includes: the paper pushing device comprises a paper pushing frame 41, a transmission rod 42 and a transmission shaft 43, wherein two sides of the rear half part of the workbench 3 are respectively provided with a sliding rail, and the two sliding rails are horizontally and transversely arranged; the paper pushing frame 41 is horizontally and longitudinally arranged, two ends of the paper pushing frame 41 are respectively provided with a sliding block 411, and the two sliding blocks 411 are respectively connected with two sliding rails in a sliding manner, so that the paper pushing frame 41 can move along the extending direction of the sliding rails; the front end face of the paper pushing frame 41 is provided with the plurality of grid teeth 44, the rear half portion of the workbench 3 is formed with a plurality of shallow grooves parallel to the sliding rails, the shallow grooves are arranged corresponding to the grid teeth 44, namely, each grid tooth 44 can be inserted into the corresponding shallow grooves, so that in the paper pushing process, paper cannot enter a gap formed between the bottom end of the paper pushing frame 41 and the workbench 3, the paper jamming problem is solved, and the paper cutter is ensured to always perform normal paper pushing work.

In the present embodiment, a transmission rod 42 is disposed in each of the two slide rails, and each transmission rod 42 is rotatably disposed in the corresponding slide rail; a nut seat is arranged on the sliding block 411 in each sliding rail, each nut seat is connected with a transmission rod 42 in the same sliding rail for transmission, a driven bevel gear 421 is arranged at the tail end of each transmission rod 42, and the number of teeth and the modulus of the two driven bevel gears 421 are the same; the transmission shaft 43 is horizontally and longitudinally arranged at the tail end of the workbench 3, two driving bevel gears 431 are arranged on the transmission shaft, the number of teeth and the modulus of the two driving bevel gears 431 are the same, and the two driving bevel gears 431 are respectively meshed with and transmit the two driven bevel gears 421; at this time, the driving assembly preset on the paper cutting machine can drive the transmission shaft 43 to rotate, so as to drive the two transmission rods 42 to rotate at the same rotation direction and rotation speed through gear engagement, so that the two slide rails synchronously slide in the corresponding slide rails, and further drive the paper pushing frame 41 to move along the extending direction of the slide rails, and push the paper product to the portal frame 2 for cutting.

Referring to fig. 2, in the present embodiment, the driving assembly includes: a worm wheel 51, a worm 52 and a first driving part 53, wherein the worm wheel is arranged at the middle position of the transmission shaft 43, the first driving part 53 is a motor, the first driving part 53 is fixedly arranged at the tail end part of the workbench 3, the output end of the first driving part 53 is connected with one end of the worm 52, and the worm 52 is meshed with the worm wheel 51 for transmission; when the first driving part 53 works, the worm 52 can be driven to rotate, and at the same time, the worm 52 can drive the worm wheel 51 to rotate, so that the transmission shaft 43 rotates, and the transmission rod 42 drives the paper pushing frame 41 to move along the extending direction of the sliding rail.

Referring to fig. 1, in the present embodiment, a pressing assembly 6 is disposed on the paper pushing mechanism, and the pressing assembly 6 includes: the paper pushing frame 41 is provided with two guide holes which are vertically arranged, and the two guide rods 62 respectively penetrate through the two guide holes and can slide and lift in the guide holes; the pressing plate 61 is disposed in front of the grid teeth 44, the pressing plate 61 is fixedly disposed at the bottom end of the guide rod 62, and the connecting plate 63 is fixedly disposed at the top end of the guide rod 62, so that the pressing plate 61, the connecting plate 63, and the two guide rods 62 can simultaneously ascend/descend along the axial direction of the guide rod 62, thereby pressing the paper.

Specifically, a third driving member 64 for pushing the connecting plate 63 to ascend and descend is mounted on the paper pushing frame 41, in this embodiment, the third driving member 64 is a hydraulic cylinder, the third driving member 64 is mounted and fixed on the paper pushing frame 41, and an output end of the third driving member 64 is connected and fixed with the bottom of the connecting plate 63; when the paper pushing frame 41 pushes the paper to the portal frame 2, the third driving part 64 drives the pressing plate 61 to descend so as to press the paper first, and then the paper pushing frame 41 pushes the paper to the portal frame 2, so that the paper is prevented from continuously moving forward under the condition that the paper pushing frame 41 stops due to inertia, and the precision of paper cutting is further ensured.

In this embodiment, a protective rubber pad is disposed on the end surface of the pressing plate 61 abutting against the paper product, so as to effectively prevent the corner of the pressing plate 61 from crushing the topmost paper product.

In this embodiment, be equipped with a plurality of spring beads 7 of evenly arranging on the top surface of workstation 3 first half, after the cardboard cuts to when workstation 3 first half removes the finished product, spring bead 7 can effectively reduce the friction between finished product and workstation 3.

In this embodiment, be equipped with an infrared protection device 8 on portal frame 2 to this infrared protection device 8 is located the top of 3 first halves of workstation, and this infrared protection device 8 can stop the operation of cutting the mechanism when sensing the human body and being close to and cutting the mechanism, avoids cutting the mechanism and causes the injury to operating personnel, thereby improves the security of paper cutter.

Example two:

the difference between this embodiment and the first embodiment is the driving component.

Referring to fig. 1 and 3, in the present embodiment, the driving assembly includes: a driving sprocket 54, a driven sprocket 55, a transmission chain 56 and a second driving member 57, wherein the driven sprocket is mounted at the middle position of the transmission shaft 43, the second driving member 57 is a motor, the second driving member 57 is fixedly mounted at the rear end of the worktable 3, the driving sprocket 54 is mounted at the output end of the first driving member 53, and the driving sprocket 54 and the driven sprocket 55 are connected and driven by the transmission chain 56; when the first driving member 53 is operated, the driving sprocket 54 is driven to rotate, the driving sprocket 54 drives the driven sprocket 55 and the transmission shaft 43 to rotate through the transmission chain 56, so that the transmission rod 42 drives the paper pushing frame 41 to move along the direction in which the sliding rails extend.

In the embodiment, the transmission ratio between the driving sprocket 54 and the driven sprocket 55 is 12, and the transmission rod 42 can be more stable in the transmission process by reducing the rotating speed of the transmission shaft 43, so that the paper pushing frame 41 can be more stable in the paper pushing process.

The above-described embodiments are merely preferred embodiments of the present invention, which are not intended to limit the present invention in any way. Those skilled in the art can make many changes, modifications, and equivalents of the embodiments of the invention without departing from the scope of the invention. Therefore, the content of the technical scheme of the utility model, according to the equivalent change made by the idea of the utility model, should be covered in the protection scope of the utility model.

Claims

1. A paper cutter comprising: a portal frame (2) and a workbench (3), wherein the workbench (3) is provided with a paper pushing mechanism for pushing paper products to the portal frame (2) for cutting, it is characterized in that the paper pushing mechanism comprises a paper pushing frame (41), a transmission rod (42) and a transmission shaft (43) which are arranged on a sliding rail arranged in the rear half part of the workbench (3) in a sliding way, wherein the transmission rod (42) is rotatably arranged in the slide rail, the paper pushing frame (41) is slidably embedded in the slide rail part and is provided with a nut seat matched with the transmission rod (42), a driven bevel gear (421) is arranged at the tail end of the transmission rod (42), a driving bevel gear (431) meshed with the driven bevel gear (421) is arranged on the transmission shaft (43), and a driving assembly for driving the transmission shaft (43) to rotate is arranged between the workbench (3) and the transmission shaft (43).

2. The paper cutter of claim 1, wherein the drive assembly comprises: the worm gear (51) is installed in the middle of the transmission shaft (43), the first driving part (53) is fixedly arranged on the workbench (3), one end of the worm (52) is connected with the output end of the first driving part (53), and the worm (52) and the worm gear (51) are in meshed transmission.

3. The paper cutter of claim 1, wherein the drive assembly comprises: the automatic transmission mechanism comprises a driving chain wheel (54), a driven chain wheel (55), a transmission chain (56) and a second driving part (57), wherein the driven chain wheel (55) is installed in the middle of a transmission shaft (43), the driving chain wheel (54) is installed at the output end of the second driving part (57), the second driving part (57) is fixedly arranged on a workbench (3), and the driving chain wheel (54) and the driven chain wheel (55) are connected through the transmission chain (56) for transmission.

4. A cutter according to claim 3, characterized in that the transmission ratio between the driving sprocket (54) and the driven sprocket (55) is between 10 and 15.

5. The paper cutting machine according to claim 1, characterized in that the paper pushing mechanism is provided with a pressing assembly (6), and the pressing assembly (6) comprises: the utility model provides a be located clamp plate (61), connecting plate (63) and two at least guide bar (62) in bars tooth (44) the place ahead, wherein, guide bar (62) are vertical arrangement, and guide bar (62) slide to set up in the guiding hole that has predetermine on pushing away paper frame (41), clamp plate (61) set up in guide bar (62) bottom, connecting plate (63) set up in guide bar (62) top, it is used for promoting third driver part (64) that connecting plate (63) go up and down to install on pushing away paper frame (41).

6. The paper cutting machine according to claim 5, characterized in that the end surface of the pressing plate (61) abutting against the paper is provided with a protective rubber pad.

7. The paper cutter according to claim 1, characterized in that the top surface of the front half of the table (3) is provided with spring beads (7).

8. The paper cutting machine according to claim 1, characterized in that the gantry (2) is provided with an infrared protection device (8), and the infrared protection device (8) is located above the front half of the table (3).