CN108582174B

CN108582174B - Paper cutting device

Info

Publication number: CN108582174B
Application number: CN201810260156.1A
Authority: CN
Inventors: 马建军; 王志强
Original assignee: Anhui Wuhu Xinhua Printing Co ltd
Current assignee: Anhui Wuhu Xinhua Printing Co ltd
Priority date: 2018-03-27
Filing date: 2018-03-27
Publication date: 2020-09-01
Anticipated expiration: 2038-03-27
Also published as: CN108582174A

Abstract

The invention discloses a paper cutting device, which relates to the technical field of paper cutting equipment and comprises a supporting block, wherein two protective plates are symmetrically arranged on the right end face of the supporting block, a sliding groove is formed in the upper part of the outer surface of each protective plate, a through hole is formed in the lower part of the outer surface of each protective plate, a pressing device is arranged on the upper end face of the supporting block, a plurality of positioning assemblies are connected in the through hole in a sliding mode, and a cutting assembly is connected. Through this device, can realize horizontal and fore-and-aft cutting to the paper, convenient operation can save operating time, improves work efficiency.

Description

Paper cutting device

Technical Field

The invention relates to the technical field of paper cutting equipment, in particular to a paper cutting device.

Background

In the process of producing and manufacturing paper, in order to adapt to different size requirements, the paper is often required to be cut, in the existing cutting device, the paper can only be transversely cut, when the paper is required to be longitudinally cut, the direction of the paper is also required to be adjusted, the working method is time-consuming and labor-consuming, the cutting precision cannot be guaranteed, and if a large-scale cutting machine is used, a large amount of funds are also required to be consumed.

Disclosure of Invention

The present invention is directed to a paper cutting device to solve the above problems.

The paper cutting device comprises a supporting block, wherein two protective plates are symmetrically arranged on the right end face of the supporting block, a sliding groove is formed in the upper portion of the outer surface of each protective plate, a through hole is formed in the lower portion of the outer surface of each protective plate, a pressing device is arranged on the upper end face of the supporting block, a plurality of positioning assemblies are connected in the through hole in a sliding mode, and a cutting assembly is connected in the sliding groove.

Preferably, the pressing device comprises a pressing plate, the pressing plate is symmetrically arranged on the upper end face of the supporting block, a groove is formed in the middle of the pressing plate, a sliding block is arranged in the groove, the sliding block is connected with the inner surface of the groove in a sliding mode and is connected with the top of the groove through a first spring, the two sliding blocks are connected through a connecting rod, and a pressing assembly is arranged on the inner surface of each sliding block.

Preferably, the pressing assembly comprises a pressing roller and a pressing shaft, the pressing roller is rotatably connected to the outer surface of the pressing shaft, and two ends of the pressing shaft are rotatably connected with the sliding block respectively.

Preferably, the positioning assembly comprises a positioning shaft, the two ends of the positioning shaft are slidably connected with the through holes, a plurality of positioning block assemblies are arranged in the middle of the positioning shaft and comprise U-shaped clamping plates, the upper end face of the positioning shaft is slidably connected with the U-shaped clamping plates, positioning bolts are arranged on the lower portions of the U-shaped clamping plates, and protrusions are arranged at the outer ends of the upper surfaces of the U-shaped clamping plates at the two ends of the positioning shaft respectively.

Preferably, the cutting assembly comprises an L-shaped plate, a sliding rod and a blade assembly, a circular bulge is arranged in the middle of the inner surface of the L-shaped plate and is connected with the sliding groove in a sliding mode, the top of the L-shaped plate is connected with the sliding rod through the sliding rod, and the blade assembly is arranged on the sliding rod.

Preferably, the blade subassembly includes the fixed block, the fixed block top is equipped with adjusting bolt, the last regulating plate that is connected with of adjusting bolt, the adjusting bolt lower part is equipped with adjusting nut, and fixed block left end face symmetry is equipped with two knife rests, it is connected with the blade to rotate on the knife rest, both ends are connected with spring two and spring three respectively about the blade, the two other ends of spring are connected with the regulating plate, and the three other ends of spring are connected with the fixed block, the lower part of fixed block is equipped with runner assembly.

Preferably, the rotating assembly comprises a rotating plate and a positioning claw, the rotating plate is rotatably connected with the lower surface of the fixed block, and the positioning claw is arranged on the lower surface of the rotating plate and is in sliding connection with the sliding rod.

The invention has the beneficial effects that: simple structure, convenient to use through this device, can realize horizontal and fore-and-aft cutting to the paper, convenient operation can save operating time, improves work efficiency. The paper passes through the pressing device and is laid on the upper surface of the positioning component, the pressing roller is always attached to the paper under the action of the first spring, the pressing roller is rotatably connected with the pressing shaft and cannot cause excessive resistance to the advancing of the paper, when the paper is laid, transverse or longitudinal cutting can be performed, when the transverse cutting is performed, the position of the positioning component is adjusted, the positioning shaft is adjusted to enable the positioning shaft to move in the through hole, when the U-shaped clamping plates on two adjacent positioning shafts are adjusted to be in front-back contact, the fixing block on the blade component is rotated, the fixing block is rotated around the rotating plate to enable the blade to be adjusted to be transverse, the L-shaped plate is adjusted, the upper circular bulge of the L-shaped plate is slidably connected with the sliding groove, the adjustability of the position of the cutting component is ensured, when the L-shaped plate is adjusted, the fixing block is pulled to enable the blade to slide between the bulges on, due to the effect of the protrusions, a cutter passing hole can be formed between the U-shaped clamping plates on the two adjacent positioning shafts, so that the blade moves along the cutter passing hole, and the cutting stability of the blade is ensured. When the paper needs to be longitudinally cut, the fixing block can be rotated, the blade is made to be longitudinal, the position of the U-shaped clamping plate on the positioning shaft is adjusted, after the U-shaped clamping plate is adjusted, the U-shaped clamping plate is positioned by using the positioning bolt, the position of the fixing block is adjusted at the moment, and after the blade is aligned to the cutting position, the L-shaped plate is pushed, so that the paper is longitudinally cut.

Drawings

FIG. 1 is a front view of a paper cutting apparatus according to the present invention.

Fig. 2 is a sectional view taken along a-a in fig. 1.

Fig. 3 is a sectional view taken along the direction B-B in fig. 2.

FIG. 4 is a top view of a positioning assembly in a paper cutting apparatus according to the present invention.

Fig. 5 is a sectional view taken along the direction C-C in fig. 4.

FIG. 6 is a block diagram of a blade assembly of a paper cutting apparatus according to the present invention.

Wherein: 1. a support block; 2. a guard plate; 21. a through hole; 22. a chute; 3. a pressing device; 31. a compression plate; 32. a slider; 33. a first spring; 34. a connecting rod; 4. a positioning assembly; 41. positioning the shaft; 42. a U-shaped clamping plate; 43. a protrusion; 44. positioning the bolt; 5. a pressure roller; 51. a pressing shaft; 6. cutting the assembly; 61. an L-shaped plate; 62. a circular protrusion; 63. a slide bar; 7. a blade assembly; 71. a fixed block; 72. adjusting the bolt; 73. adjusting the nut; 74. an adjusting plate; 75. a tool holder; 76. a blade; 77. a rotating plate; 78. a positioning claw; 79. a second spring; 710. and a third spring.

Detailed Description

The following embodiments are provided to describe the embodiments of the present invention, and to further describe the detailed description of the embodiments of the present invention, such as the shapes, configurations, mutual positions and connection relationships of the components, the functions and operation principles of the components, the manufacturing processes and operation methods, etc., so as to help those skilled in the art to more fully, accurately and deeply understand the inventive concept and technical solutions of the present invention.

As shown in fig. 1 to 5, the paper cutting device comprises a supporting block 1, two protection plates 2 are symmetrically arranged on the right end face of the supporting block 1, a sliding groove 22 is formed in the upper portion of the outer surface of each protection plate 2, a through hole 21 is formed in the lower portion of each protection plate, a pressing device 3 is arranged on the upper end face of the supporting block 1, a plurality of positioning assemblies 4 are slidably connected in the through hole 21, and a cutting assembly 6 is slidably connected in the sliding groove 22.

In this embodiment, the pressing device 3 includes a pressing plate 31, the pressing plate 31 is symmetrically disposed on the upper end surface of the supporting block 1, a groove is disposed in the middle of the pressing plate 31, a sliding block 32 is disposed in the groove, the sliding block 32 is slidably connected with the inner surface of the groove and is connected with the top of the groove through a first spring 33, the two sliding blocks 32 are connected through a connecting rod 34, and a pressing component is disposed on the inner surface of the sliding block 32.

In this embodiment, the pressing assembly includes a pressing roller 5 and a pressing shaft 51, the pressing roller 5 is rotatably connected to the outer surface of the pressing shaft 51, and two ends of the pressing shaft 51 are respectively rotatably connected to the sliders 32.

In this embodiment, the positioning assembly 4 includes a positioning shaft 41, the two ends of the positioning shaft 41 are slidably connected to the through holes 21, a plurality of positioning block assemblies are arranged in the middle of the positioning shaft 41, each positioning block assembly includes a U-shaped clamping plate 42, the upper end face of the positioning shaft 41 is slidably connected to the U-shaped clamping plates 42, a positioning bolt 44 is arranged on the lower portion of each U-shaped clamping plate 42, and protrusions 43 are respectively arranged at the outer ends of the upper surfaces of the U-shaped clamping plates 42 at the two ends of the positioning shaft 41.

In this embodiment, the cutting assembly 6 includes an L-shaped plate 61, a sliding rod 63 and a blade assembly 7, a circular protrusion 62 is disposed in the middle of the inner surface of the L-shaped plate 61, the circular protrusion 62 is slidably connected to the sliding groove 22, the top 61 of the L-shaped plate is connected to the sliding rod 63, and the blade assembly 7 is disposed on the sliding rod 63.

In this embodiment, blade subassembly 7 includes fixed block 71, fixed block 71 top is equipped with adjusting bolt 72, adjusting bolt 72 is last to be connected with regulating plate 74, adjusting bolt 72 lower part is equipped with adjusting nut 73, and fixed block 71 left end face symmetry is equipped with two knife rests 75, it is connected with blade 76 to rotate on the knife rest 75, both ends are connected with two 79 springs and three 710 springs respectively about blade 76, the two 79 other ends of spring are connected with regulating plate 74, and the three 710 other ends of spring are connected with fixed block 71, the lower part of fixed block 71 is equipped with rotating assembly. The blade 7 assembly can complete the adjustment of the blade 76 by selecting the extension length of the blade 76, rotating the adjustment nut 72 downward when the downward movement of the blade 76 is desired, the blade 76 will rotate downward under the tension of the third spring 710, the cutting head of the blade 76 will move downward, and similarly, when rotating the adjustment nut 72 upward, the cutting head of the blade 76 will move upward under the tension of the second spring 79.

In this embodiment, the rotating assembly includes a rotating plate 77 and a positioning pawl 78, the rotating plate 77 is rotatably connected to the lower surface of the fixed block 71, and the positioning pawl 78 is disposed on the lower surface of the rotating plate 77 and slidably connected to the sliding rod 63.

The specific working principle and steps are as follows: paper passes through the pressing device 3 and is laid on the upper surface of the positioning component 4, the pressing roller 5 is always attached to the paper under the action of the first spring 33, the pressing roller 5 is rotatably connected with the pressing shaft 51 and cannot cause excessive resistance to the advancing of the paper, transverse or longitudinal cutting can be performed after the paper is laid, when the transverse cutting is performed, the position of the positioning component 4 is adjusted, the positioning shaft 41 moves in the through hole 21, when the U-shaped clamping plates 42 on two adjacent positioning shafts 41 are adjusted to be in front-back contact, the U-shaped clamping plates are stopped, at the moment, the fixed block 71 on the blade component 7 is rotated, the fixed block 71 rotates around the rotating plate 77, the blade 76 is adjusted to be transverse, the L-shaped plate 61 is adjusted, the upper circular bulge 62 of the L-shaped plate 61 is slidably connected with the sliding groove 22, the adjustability of the position of the cutting component 6 is ensured, and after the, the blade 76 slides between the protrusions 43 on the U-shaped clamping plates 42 and cuts paper, and due to the action of the protrusions 43, a cutter passing hole can be formed between the U-shaped clamping plates 42 on two adjacent positioning shafts 41, so that the blade 76 moves along the cutter passing hole, and the cutting stability of the blade 76 is ensured. When the paper needs to be longitudinally cut, the fixing block 71 can be rotated to enable the blade 76 to be longitudinal, the position of the U-shaped clamping plate 42 on the positioning shaft 41 is adjusted, the U-shaped clamping plate 42 is positioned by using the positioning bolt 44 after the adjustment is finished, the position of the fixing block 71 is adjusted at the moment, and the blade 76 is aligned to the cutting position to push the L-shaped plate 61 to finish the longitudinal cutting of the paper.

The invention has been described in an illustrative manner, and it is to be understood that the invention is not limited to the precise form disclosed, and that various insubstantial modifications of the inventive concepts and solutions, or their direct application to other applications without such modifications, are intended to be covered by the scope of the invention. The protection scope of the present invention shall be subject to the protection scope defined by the claims.

Claims

1. A paper cutting device comprises a supporting block (1) and is characterized in that two protective plates (2) are symmetrically arranged on the right end face of the supporting block (1), sliding grooves (22) are formed in the upper portion of the outer surface of each protective plate (2), through holes (21) are formed in the lower portion of the outer surface of each protective plate, a pressing device (3) is arranged on the upper end face of the supporting block (1), a plurality of positioning assemblies (4) are connected in the through holes (21) in a sliding mode, cutting assemblies (6) are connected in the sliding grooves (22) in a sliding mode, each positioning assembly (4) comprises a positioning shaft (41), two ends of each positioning shaft (41) are connected with the through holes (21) in a sliding mode, a plurality of positioning block assemblies are arranged in the middle of each positioning shaft (41), each positioning block assembly comprises a U-shaped clamping plate (42), a plurality of U-shaped clamping plates, the outer ends of the surfaces of the U-shaped clamping plates (42) at the two ends of each positioning shaft (41) are respectively provided with a protrusion (43), so that a cutter passing hole is formed between the U-shaped clamping plates on the two adjacent positioning shafts (41), and the blade (76) moves along the cutter passing hole.

2. The paper cutting device according to claim 1, characterized in that the pressing device (3) comprises a pressing plate (31), the pressing plate (31) is symmetrically arranged on the upper end surface of the supporting block (1), a groove is arranged in the middle of the pressing plate (31), a sliding block (32) is arranged in the groove, the sliding block (32) is slidably connected with the inner surface of the groove and is connected with the top of the groove through a first spring (33), the two sliding blocks (32) are connected through a connecting rod (34), and a pressing component is arranged on the inner surface of the sliding block (32).

3. The paper cutting device as claimed in claim 2, characterized in that the pressing assembly comprises a pressing roller (5) and a pressing shaft (51), the pressing roller (5) is rotatably connected to the outer surface of the pressing shaft (51), and two ends of the pressing shaft (51) are respectively rotatably connected with the sliding block (32).

4. The paper cutting device according to claim 1, characterized in that the cutting assembly (6) comprises an L-shaped plate (61), a sliding rod (63) and a blade assembly (7), wherein a circular protrusion (62) is arranged in the middle of the inner surface of the L-shaped plate (61), the circular protrusion (62) is connected with the sliding groove (22) in a sliding mode, the top of the L-shaped plate (61) is connected through the sliding rod (63), and the blade assembly (7) is arranged on the sliding rod (63).

5. The paper cutting device according to claim 4, characterized in that the blade assembly (7) comprises a fixing block (71), an adjusting bolt (72) is arranged at the top of the fixing block (71), an adjusting plate (74) is connected onto the adjusting bolt (72), an adjusting nut (73) is arranged on the lower portion of the adjusting bolt (72), two knife rests (75) are symmetrically arranged on the left end face of the fixing block (71), a blade (76) is rotatably connected onto each knife rest (75), a second spring (79) and a third spring (710) are respectively connected to the upper end and the lower end of each blade (76), the other end of the second spring (79) is connected with the adjusting plate (74), the other end of the third spring (710) is connected with the fixing block (71), and a rotating assembly is arranged on the lower portion of the fixing block (71).

6. The paper cutting device as claimed in claim 5, wherein the rotating assembly comprises a rotating plate (77) and a positioning pawl (78), the rotating plate (77) is rotatably connected with the lower surface of the fixed block (71), and the positioning pawl (78) is arranged on the lower surface of the rotating plate (77) and is slidably connected with the sliding rod (63).