CN212170539U - Adjustable paper cutter - Google Patents

Abstract

The utility model relates to an adjustable paper cutter, which comprises a frame, wherein a workbench is arranged on the frame, a push plate for pushing paper to be cut is arranged on the workbench, a pushing cylinder is arranged on the workbench in a sliding manner, a piston rod of the pushing cylinder is connected with the push plate, the pushing cylinder slides along the motion direction of the piston rod of the pushing cylinder, and a stabilizing piece for fixing the pushing cylinder is arranged on the pushing cylinder; one side of the push plate is provided with a sliding block, the sliding block is arranged on the workbench in a sliding manner along the movement direction of a piston rod of the push cylinder, and the sliding block is provided with a fixing piece for fixing the sliding block; a normally closed switch is arranged on the sliding block and is electrically connected with a cylinder controller of the pushing cylinder; the push plate is fixedly connected with a pressing block, and the pressing block is used for pressing the normally closed switch to stop the movement of a piston rod of the pushing cylinder; the workbench is provided with a cutter for cutting paper. The utility model discloses have the effect that can adjust the length of surely going out the paper.

Description

Adjustable paper cutter

Technical Field

The utility model belongs to the technical field of the technique of paper cutter and specifically relates to an adjustable paper cutter is related to.

Background

A paper cutter is one of cutting machines, and is widely used in paper processing. The cutting of blanks from cutting to printing and the cutting of bound workbooks are carried out by a paper cutter in the production of printing, packaging, book binding and the like. The paper cutter therefore plays a crucial role in the production of paper products.

The existing Chinese patent with the publication number of CN208070891U discloses a paper cutting machine, which comprises a frame, a workbench horizontally arranged on the frame, a cutter moving up and down relative to the frame, and a baffle positioned behind the cutter for positioning paper, and further comprises a feeding device, wherein the feeding device comprises a material rack positioned at the front end of the workbench, a lifting platform capable of ascending and descending in the vertical direction and horizontally arranged, and a paper pushing plate for pushing the paper on the lifting platform to a cutting position.

The above prior art solutions have the following drawbacks: the shutter for positioning the paper by the paper cutter is fixed to the paper cutter, so that the relative positions of the cutter and the shutter are fixed. The relative position of the cutter and the baffle determines the length of the cut paper, so that the length of the paper cut by the cutter is constant, and the paper with the specified length cannot be cut according to the requirement.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing an adjustable paper cutter, its advantage that has the length that can adjust surely to cut the paper.

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

an adjustable paper cutter comprises a rack, wherein a workbench is arranged on the rack, a push plate for pushing paper to be cut is arranged on the workbench, a push cylinder is arranged on the workbench in a sliding manner, a piston rod of the push cylinder is connected with the push plate, the push cylinder slides along the movement direction of the piston rod of the push cylinder, and a stabilizing piece for fixing the push cylinder is arranged on the push cylinder; a sliding block is arranged on one side of the push plate, the sliding block is arranged on the workbench in a sliding mode along the movement direction of a piston rod of the push cylinder, and a fixing piece for fixing the sliding block is arranged on the sliding block; the sliding block is provided with a normally closed switch which is electrically connected with a cylinder controller of the pushing cylinder; the push plate is fixedly connected with a pressing block, and the pressing block is used for pressing the normally closed switch to stop the movement of a piston rod of the pushing cylinder; and a cutter for cutting paper is arranged on the workbench.

Through adopting above-mentioned technical scheme, the push pedal is kept away from the one end of push cylinder and is placed after waiting the paper that cuts, and push cylinder slides on the workstation, and the one end that will wait the paper that cuts and keep away from the push pedal promotes to the cutter under the back through the steadiness piece will push cylinder fixed. Then adjust the position of sliding block for the sliding block is provided with the one end of normally closed switch and presses the distance between the piece and equal to the length that needs the cutting, starts the push cylinder, and when the piston rod motion of push cylinder, the push pedal can promote the paper motion of waiting to cut, presses the normally closed switch until pressing the piece, and the normally closed switch is connected with the cylinder controller electricity of push cylinder, and normally closed switch converts the off-state into from the on-state, and the push cylinder stop motion. At the moment, the cutter cuts the paper, and the length of the cut paper is the length needing to be cut. The effect of adjustable cutting length is realized.

The present invention may be further configured in a preferred embodiment as: the workbench is provided with a dovetail groove along the movement direction of a piston rod of the pushing cylinder, the bottom end of the sliding block is fixedly connected with a clamping block, and the clamping block is correspondingly clamped and embedded in the dovetail groove; the mounting includes first screw, along vertical direction set up threaded hole on the sliding block, first screw passes through threaded hole threaded connection on the sliding block.

Through adopting above-mentioned technical scheme, the dovetail sets up the back, and the sliding block passes through the more steady slip of fixture block in the dovetail, and first screw can be fixed the sliding block, and then the position of injecing the sliding block.

The present invention may be further configured in a preferred embodiment as: the head of the first screw is fixedly connected with a rotating handle.

Through adopting above-mentioned technical scheme, it can be more convenient, change the operation when the staff need not hard up and fixed sliding block to rotate the handle.

The present invention may be further configured in a preferred embodiment as: the side of workstation is provided with the ruler, the ruler slides along the direction of motion setting of the piston rod of promotion cylinder.

Through adopting above-mentioned technical scheme, can make things convenient for the length adjustment of the paper that the staff cut as required to press the distance between movable block and the sliding block after the ruler sets up.

The present invention may be further configured in a preferred embodiment as: a first bearing plate and a second bearing plate are arranged on the side face, close to the ruler, of the workbench along the length direction of the ruler, the first bearing plate is located above the second bearing plate, and the distance between the first bearing plate and the second bearing plate is equal to the width of the ruler; the end face, away from the workbench, of the first bearing plate is fixedly connected with a first stop plate, the end face, away from the workbench, of the second bearing plate is fixedly connected with a second stop plate, the first stop plate and the second stop plate are both arranged along the length direction of the ruler, one end, away from the first bearing plate, of the first stop plate extends towards the direction of the second bearing plate, and one end, away from the second bearing plate, of the second stop plate extends towards the direction of the first bearing plate; the ruler is located between the first bearing plate and the second bearing plate.

Through adopting above-mentioned technical scheme, first board, the second is accepted board, first barrier plate and second barrier plate and is set up the back, can make the ruler slide between first board and the second of accepting.

The present invention may be further configured in a preferred embodiment as: the hole has been seted up on the sliding block, normally closed switch is the contact switch, normally closed switch sets up in the hole, normally closed switch's sheetmetal stretches out outside the hole.

Through adopting above-mentioned technical scheme, normally closed switch sets up and can play certain guard action to normally closed switch in the hole. Dab the switch and can press the piece when pressing the sheetmetal, normally closed switch changes into normally open state, and after pushing actuating cylinder resets, press the sheetmetal that the piece kept away from normally closed switch under pushing actuating cylinder's effect, the sheetmetal can kick-back automatically, and normally closed switch is the normally closed state by normally open state conversion.

The present invention may be further configured in a preferred embodiment as: the push plate is far away from the terminal surface fixedly connected with barrier plate of pressing the piece, the contained angle between barrier plate and the push plate is the right angle, the region between barrier plate and the push plate is used for placing the paper that waits to cut.

Through adopting above-mentioned technical scheme, after the barrier plate sets up, can level the better pendulum of paper to a certain extent, the paper that waits to cut is placed between barrier plate and push pedal, can guarantee neatly of paper.

The present invention may be further configured in a preferred embodiment as: the utility model discloses a paper pressing machine, including workstation, cylinder body, clamp plate, cylinder cover, press paper cylinder, the one end fixedly connected with clamp plate of cylinder body is kept away from to the piston rod of paper cylinder, the clamp plate is used for compressing tightly the paper that will treat the cutting.

Through adopting above-mentioned technical scheme, the clamp plate compresses tightly the paper that will wait to cut before the cutting, prevents to produce the slip between the cutting in-process paper.

To sum up, the utility model discloses a following at least one useful technological effect:

1. through the arrangement of the push plate, the pushing cylinder, the sliding block and the normally closed switch, the cutting length of the paper can be ensured to be adjustable during cutting;

2. through the setting of clamp plate and paper pressing cylinder, can prevent that the paper from producing the slip in the cutting process.

Drawings

FIG. 1 is a schematic view showing the overall structure of an adjustable guillotine cutter according to the present embodiment;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an exploded view of the adjustable guillotine cutter shown in this embodiment;

FIG. 4 is an enlarged view of portion B of FIG. 3;

fig. 5 is a block diagram showing the connection relationship between the push cylinder, the normally closed switch and the power supply according to the embodiment.

In the figure, 1, a frame; 11. a work table; 12. pushing the plate; 121. clamping the block; 122. pressing the block; 123. a clamping block; 124. a blocking plate; 13. a push cylinder; 14. a stabilizing plate; 15. a chute; 16. embedding a block; 17. a second screw; 2. a slider; 21. a dovetail groove; 22. a slider; 23. a limiting block; 24. a clamping block; 25. a first screw; 26. rotating the handle; 27. a normally closed switch; 28. a hole; 3. a straightedge; 31. a first bearing plate; 32. a second bearing plate; 33. a first barrier plate; 34. a second barrier plate; 4. a support frame; 41. a paper cutting cylinder; 42. a cutter; 43. a paper pressing cylinder; 44. pressing a plate; 45. an initial line; 5. a power source.

Detailed Description

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

Examples

Referring to fig. 1 and 2, for the utility model discloses an adjustable paper cutter, which comprises a frame 1, be provided with workstation 11 in the frame 1, be provided with the push pedal 12 that is used for promoting the paper of waiting to cut on the workstation 11, combine fig. 3, slide on the workstation 11 and be provided with push cylinder 13, push cylinder 13 is the biax cylinder, and push cylinder 13's piston rod is connected with push pedal 12, and push cylinder 13 slides along the direction of motion of push cylinder 13's piston rod, is provided with the steadiness piece that is used for fixed push cylinder 13 on the push cylinder 13. Specifically, a stabilizing plate 14 is fixedly arranged at the bottom end of the pushing cylinder 13, a sliding groove 15 is formed in the workbench 11 along the moving direction of a piston rod of the pushing cylinder 13, the sliding groove 15 is in a dovetail shape, an embedded block 16 is fixedly connected to the end face, far away from the pushing cylinder 13, of the stabilizing plate 14, the embedded block 16 is correspondingly clamped and embedded with the sliding groove 15, and the stabilizing plate 14 slides along the sliding groove 15. Firm piece includes second screw 17, and firm board 14 has seted up the screw along vertical direction, and second screw 17 and screw threaded connection, the screw is provided with two along the width direction of spout 15, and two screws are located the both sides that promote cylinder 13 respectively, and second screw 17 corresponds with the screw and is provided with two.

Referring to fig. 1 and 2, a sliding block 2 is disposed on one side of the push plate 12, the sliding block 2 is slidably disposed on the working table 11 along a moving direction of a piston rod of the push cylinder 13, and a fixing member for fixing the sliding block 2 is disposed on the sliding block 2. Specifically, a dovetail groove 21 is formed in one side of the workbench 11 away from the push plate 12 along the moving direction of the piston rod of the push cylinder 13. Referring to fig. 4, the sliding block 2 includes two sliding blocks 22 and two limiting blocks 23, and the two limiting blocks 23 are respectively and fixedly connected to two ends of the sliding block 22 along the width direction of the dovetail groove 21. The bottom end of the slide block 22 is fixedly connected with a clamping block 24, and the clamping block 24 is correspondingly clamped in the dovetail groove 21. The mounting includes first screw 25, has seted up threaded hole along vertical direction on the stopper 23, and first screw 25 passes through threaded hole threaded connection on the stopper 23 that corresponds. The heads of the first screw 25 and the second screw 17 are fixedly connected with a rotating handle 26.

Referring to fig. 3 and 4, a clamping block 121 is fixedly connected to the bottom surface of the pushing plate 12, and the clamping block 121 is correspondingly clamped and embedded in the sliding groove 15. The end surface of the push plate 12 along the length direction is fixedly connected with a pressing block 122, the bottom surface of the pressing block 122 is fixedly connected with a clamping block 123, the clamping block 123 is correspondingly clamped and embedded with the dovetail groove 21, and the pressing block 122 is positioned on one side of the sliding block 2. The end face of the push plate 12 far away from the pressing block 122 is fixedly connected with a blocking plate 124, an included angle between the blocking plate 124 and the push plate 12 is a right angle, the blocking plate 124 extends towards the direction far away from the pushing cylinder 13, and the area between the blocking plate 124 and the push plate 12 is used for placing paper to be cut.

Referring to fig. 3 and 4, the sliding block 2 is provided with a normally closed switch 27, and in conjunction with fig. 5, the normally closed switch 27 is electrically connected with the cylinder controller of the pushing cylinder 13, and the normally closed switch 27 is electrically connected with the power supply 5. Specifically, a hole 28 is formed in the end face of the slider 22 close to the pressing block 122, the normally closed switch 27 is a contact switch, the normally closed switch 27 is disposed in the hole 28, and a metal sheet of the normally closed switch 27 extends out of the hole 28. The pressing block 122 is used for pressing the normally closed switch 27 to stop the movement of the piston rod of the pushing cylinder 13.

Referring to fig. 3, a straight ruler 3 is disposed on a side surface of the working table 11, and the straight ruler 3 is slidably disposed along a moving direction of a piston rod of the pushing cylinder 13. Specifically, the side of the working table 11 close to the straightedge 3 is provided with a first receiving plate 31 and a second receiving plate 32 along the length direction of the straightedge 3, the first receiving plate 31 is located above the second receiving plate 32, and the distance between the first receiving plate 31 and the second receiving plate 32 is equal to the width of the straightedge 3. The end face of the first bearing plate 31 far away from the workbench 11 is fixedly connected with a first stop plate 33, the end face of the second bearing plate 32 far away from the workbench 11 is fixedly connected with a second stop plate 34, the first stop plate 33 and the second stop plate 34 are both arranged along the length direction of the straight scale 3, one end of the first bearing plate 31 far away from the first stop plate 33 extends towards the direction of the second bearing plate 32, and one end of the second bearing plate 32 far away from the second stop plate 34 extends towards the direction of the first bearing plate 31. The included angle between the first stop plate 33 and the first receiving plate 31 is a right angle, the included angle between the second stop plate 34 and the second receiving plate 32 is a right angle, and the straight edge 3 is located between the first receiving plate 31 and the second receiving plate 32.

Referring to fig. 3, a cutter 42 for cutting paper is disposed on the table 11, and specifically, a support frame 4 is fixedly disposed on the table 11, and the support frame 4 is located on a side of the table 11 away from the dovetail groove 21. The support frame 4 is fixedly connected with a paper cutting cylinder 41, a piston rod of the paper cutting cylinder 41 is arranged downwards along the vertical direction, and one end, far away from the cylinder body of the paper cutting cylinder 41, of the piston rod of the paper cutting cylinder 41 is fixedly connected with the cutter 42. The paper pressing cylinder 43 is fixedly connected to the workbench 11, specifically, the paper pressing cylinder 43 is fixedly connected to the support frame 4, a piston rod of the paper pressing cylinder 43 is arranged downwards along the vertical direction, one end of the piston rod of the paper pressing cylinder 43, which is far away from a cylinder body of the paper pressing cylinder 43, is fixedly connected with a pressing plate 44, the pressing plate 44 is used for pressing paper to be cut, and the pressing plate 44 is located on one side, close to the pushing cylinder 13, of the cutter 42.

Referring to fig. 3 and 4, an initial line 45 is provided on the table 11, and the initial line 45 is located directly below the cutter 42. After paper to be cut is placed at one end, far away from the pushing cylinder 13, of the pushing plate 12, the pushing cylinder 13 slides on the workbench 11 until one end, far away from the pushing plate 12, of the paper to be cut is pushed to the initial line 45, and then the distance between the sliding block 2 and the pushing plate 12 is adjusted, so that the paper is cut.

The implementation principle of the above embodiment is as follows:

when cutting the paper, firstly, the paper is placed in the area between the blocking plate 124 and the pushing plate 12, and then the pushing cylinder 13 is pushed until the end of the paper to be cut away from the pushing plate 12 is located on the initial line 45, that is, the stabilizing plate 14 can be fixed by the second screw 17, that is, the pushing cylinder 13 is fixed. Then sliding block 2, measuring the distance between the end face of sliding block 2 provided with normally closed switch 27 and the end face of pushing plate 12 close to the paper to be cut through ruler 3, making the distance be the length of the paper to be cut, and fixing sliding block 2 through first screw 25. Finally, the pushing cylinder 13 is started until the pushing plate 12 contacts with the metal sheet of the normally closed switch 27, the pushing cylinder 13 stops moving, at this time, the pressing plate 44 descends to press the paper to be cut, and the cutting knife 42 descends to cut the paper.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides an adjustable paper cutter, includes frame (1), be provided with workstation (11) on frame (1), its characterized in that: a push plate (12) used for pushing paper to be cut is arranged on the workbench (11), a push cylinder (13) is arranged on the workbench (11) in a sliding mode, a piston rod of the push cylinder (13) is connected with the push plate (12), the push cylinder (13) slides along the movement direction of the piston rod of the push cylinder (13), and a fixing piece used for fixing the push cylinder (13) is arranged on the push cylinder (13); a sliding block (2) is arranged on one side of the push plate (12), the sliding block (2) is arranged on the workbench (11) in a sliding mode along the motion direction of a piston rod of the pushing cylinder (13), and a fixing piece used for fixing the sliding block (2) is arranged on the sliding block (2); a normally closed switch (27) is arranged on the sliding block (2), and the normally closed switch (27) is electrically connected with a cylinder controller of the pushing cylinder (13); the push plate (12) is fixedly connected with a pressing block (122), and the pressing block (122) is used for pressing a normally closed switch (27) to stop the movement of a piston rod of the pushing cylinder (13); the workbench (11) is provided with a cutter (42) for cutting paper.

2. The adjustable paper cutter of claim 1, wherein: the workbench (11) is provided with a dovetail groove (21) along the movement direction of a piston rod of the pushing cylinder (13), the bottom end of the sliding block (2) is fixedly connected with a clamping block (24), and the clamping block (24) is correspondingly clamped and embedded in the dovetail groove (21); the mounting includes first screw (25), along vertical direction set up threaded hole on sliding block (2), first screw (25) pass through threaded hole threaded connection on sliding block (2).

3. The adjustable paper cutter of claim 2, wherein: the head of the first screw (25) is fixedly connected with a rotating handle (26).

4. The adjustable paper cutter of claim 1, wherein: the side of workstation (11) is provided with ruler (3), ruler (3) slide along the direction of motion of the piston rod of promotion cylinder (13) and set up.

5. The adjustable paper cutter of claim 4, wherein: a first bearing plate (31) and a second bearing plate (32) are arranged on the side face, close to the straight scale (3), of the workbench (11) along the length direction of the straight scale (3), the first bearing plate (31) is located above the second bearing plate (32), and the distance between the first bearing plate (31) and the second bearing plate (32) is equal to the width of the straight scale (3); the end face, far away from the workbench (11), of the first bearing plate (31) is fixedly connected with a first stop plate (33), the end face, far away from the workbench (11), of the second bearing plate (32) is fixedly connected with a second stop plate (34), the first stop plate (33) and the second stop plate (34) are both arranged along the length direction of the ruler (3), one end, far away from the first bearing plate (31), of the first stop plate (33) extends in the direction of the second bearing plate (32), and one end, far away from the second bearing plate (32), of the second stop plate (34) extends in the direction of the first bearing plate (31); the straight edge (3) is located between the first bearing plate (31) and the second bearing plate (32).

6. The adjustable paper cutter of claim 1, wherein: seted up hole (28) on sliding block (2), normally closed switch (27) are the contact switch, normally closed switch (27) set up in hole (28), the sheetmetal of normally closed switch (27) stretches out outside hole (28).

7. The adjustable paper cutter of claim 1, wherein: the paper cutting machine is characterized in that a blocking plate (124) is fixedly connected to the end face, far away from the pressing block (122), of the push plate (12), an included angle between the blocking plate (124) and the push plate (12) is a right angle, and an area between the blocking plate (124) and the push plate (12) is used for placing paper to be cut.

8. The adjustable paper cutter of claim 1, wherein: paper cylinder (43) are pressed to fixedly connected with on workstation (11), the piston rod of pressing paper cylinder (43) sets up along vertical direction downwards, the one end fixedly connected with clamp plate (44) of pressing paper cylinder (43) cylinder body are kept away from to the piston rod of pressing paper cylinder (43), clamp plate (44) are used for compressing tightly the paper that will wait to cut.

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