CN212072153U

CN212072153U - Tensioning device of splitting machine

Info

Publication number: CN212072153U
Application number: CN202020528983.7U
Authority: CN
Inventors: 钟爵麟
Original assignee: DONGGUAN JUNXING MACHINERY TECHNOLOGY CO LTD
Current assignee: DONGGUAN JUNXING MACHINERY TECHNOLOGY CO LTD
Priority date: 2020-04-10
Filing date: 2020-04-10
Publication date: 2020-12-04
Anticipated expiration: 2030-04-10

Abstract

The utility model relates to the technical field of paper pressing of splitting machines, in particular to a tensioning device of a splitting machine, which comprises a frame, a compression roller assembly rotationally connected with the frame and a tensioning mechanism arranged on the frame; the tensioning mechanism comprises a first driving piece, a mounting plate, an adjusting assembly and a crankshaft, the first driving piece is arranged on the rack and drives the mounting plate to lift, the crankshaft is rotatably arranged on the mounting plate, the adjusting assembly is arranged on the mounting plate and drives the crankshaft to rotate, and the middle of the crankshaft swings to enable the middle of the crankshaft to press and hold external paper on the splitting machine; through setting up straining device, straining device includes first driving piece, mounting panel, adjustment subassembly and bent axle, realizes holding the pressure of horizontal both sides of paper and horizontal middle part, ensures the homogeneity of tensile force in the paper unit area, provides quality guarantee for cutting of follow-up paper.

Description

Tensioning device of splitting machine

Technical Field

The utility model relates to a cutting machine presses paper technical field, especially relates to a overspeed device tensioner of cutting machine.

Background

The paper roll enters a paper collection process through an unfolding process, a reverse bending process, a cutting process and a conveying process, the reverse bending process removes the stress of the paper, the paper is a production link for ensuring the smoothness of the cut paper, the paper entering the cutting process needs to keep certain tension, namely the longitudinal tension and the transverse tension of the paper need to be uniform, the tension in a unit area is the same, but the phenomenon that the two sides of the paper in the longitudinal direction are tightened and the middle of the paper is loosened in the actual production process, particularly when the paper needs to be longitudinally split, the phenomenon that the two sides of the paper are tightened and the middle of the paper is loosened causes that the qualified rate of the cut paper is low, and the production requirement cannot be met.

Disclosure of Invention

In order to overcome the inhomogeneous problem of paper tensile force that exists among the prior art, the utility model aims to provide a tensioning device of cutting machine ensures even tensile force in the paper unit area, improves the cutting quality.

In order to achieve the above purpose, the technical scheme of the utility model is that:

a tensioning device of a splitting machine comprises a rack, a compression roller assembly and a tensioning mechanism, wherein the compression roller assembly is rotatably connected to the rack;

straining device includes first driving piece, mounting panel, adjustment subassembly and bent axle, frame and drive mounting panel lift are located to first driving piece, the crankshaft rotation sets up in the mounting panel, the mounting panel is located to the adjustment subassembly, adjustment subassembly drive crankshaft rotates, and the middle part swing of bent axle makes the middle part of bent axle press and holds the external paper on the cutting machine.

Further, the adjustment assembly comprises a hand wheel, a screw rod, a fixing seat and a helical gear, the fixing seat is connected to the mounting plate, the screw rod is in threaded connection with the fixing seat, the helical gear is rotatably connected to the mounting plate, the screw rod is meshed with the helical gear, the hand wheel is fixedly connected to the screw rod, and the crankshaft is in key connection with the helical gear.

Further, the frame includes the curb plate and the connecting plate of being connected with the curb plate, the curb plate is located to first driving piece, the output of first driving piece with the connecting plate is connected, the connecting plate is located to the mounting panel.

Further, the compression roller assembly comprises a lower roller and an upper roller arranged in parallel with the lower roller, the lower roller is rotatably connected to the side plate, and the upper roller is rotatably connected to the connecting plate.

Further, the lateral wall of going up the roller is equipped with the flat portion of a plurality of exhibition, and every exhibition flat portion all includes left convex part and right convex part, left side convex part with right convex part is connected, and left side convex part and right convex part are the symmetry and set up, the extending direction of left side convex part intersects with the axis of going up the roller and sets up.

Furthermore, the mounting plate is provided with a plurality of strip holes, and the external connecting piece penetrates through the strip holes and is fixedly connected with the connecting plate.

Furthermore, the crankshaft is arranged in an arc shape, and the middle of the crankshaft is arranged close to the compression roller assembly.

Further, the first driving member is a cylinder.

The utility model has the advantages that: through setting up straining device, straining device includes first driving piece, mounting panel, adjustment subassembly and bent axle, realizes holding the pressure of horizontal both sides of paper and horizontal middle part, ensures the homogeneity of tensile force in the paper unit area, provides quality guarantee for cutting of follow-up paper.

Drawings

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

fig. 2 is a schematic view of a second perspective structure of the present invention;

FIG. 3 is a schematic view of the internal structure of the present invention;

fig. 4 is the splitting schematic diagram of the tensioning mechanism of the present invention.

The reference numerals include:

1-frame 11-side plate 12-connecting plate

2-press roll assembly 21-lower roll 22-upper roll

221-left convex part 222-right convex part 3-tensioning mechanism

31-first driving member 32-mounting plate 321-assembly two

33-adjusting component 331-hand wheel 332-screw rod

333-fixed seat 334-bevel gear 34-crankshaft.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and accompanying drawings, which are not intended to limit the present invention.

Referring to fig. 1 to 4, the tensioning device of the splitting machine of the present invention includes a frame 1, a roller assembly 2 rotatably connected to the frame 1, and a tensioning mechanism 3 disposed on the frame 1;

straining device 3 includes first driving piece 31, mounting panel 32, adjustment subassembly 33 and bent axle 34, frame 1 and drive mounting panel 32 lift are located to first driving piece 31, bent axle 34 rotates and sets up in mounting panel 32, adjustment subassembly 33 locates mounting panel 32, adjustment subassembly 33 drive bent axle 34 rotates for the middle part swing of bent axle 34 holds the external paper on the cutting machine with the pressure.

Specifically, in this embodiment, the first driving member 31 is an air cylinder, the number of the first driving member 31 is two, the number of the mounting plates 32 is two, the number of the adjusting assemblies 33 is one and is mounted on one of the mounting plates 32, the adjusting assemblies 33 drive one end of the crankshaft 34 to rotate, the other end of the crankshaft 34 is rotatably connected to the other mounting plate 32, one of the first driving members 31 respectively drives one of the mounting plates 32 to ascend and descend, the structure that the first driving member 31 drives the mounting plate 32 to ascend and descend realizes synchronous ascending and descending of the adjusting assemblies 33 and the crankshaft 34, and the tuning step: firstly, the first driving member 31 drives the mounting plate 32, the adjusting assembly 33 and the crankshaft 34 to integrally move downwards until the crankshaft 34 is attached to paper in a splitting machine, then the adjusting assembly 33 drives the crankshaft 34 to rotate, so that the middle part of the crankshaft 34 swings towards the direction of the paper, the middle part of the crankshaft 34 is abutted against the transverse middle part of the paper, namely the middle part of the paper has tension, the first driving member 31 and the adjusting assembly 33 are respectively adjusted for multiple times according to needs, finally, the tension of the two side edges and the middle part of the paper in the transverse direction are kept consistent, when the paper is conveyed, the middle part of the crankshaft 34 firstly presses and holds the middle part of the paper, then, the two ends of the shaft of the crankshaft 34 again hold the paper, and therefore the purpose of uniform tension of.

Through setting up straining device 3, straining device 3 includes first driving piece 31, mounting panel 32, adjustment assembly 33 and bent axle 34, realizes holding the pressure of horizontal both sides of paper and horizontal middle part, ensures the homogeneity of tensile force in the paper unit area, provides quality guarantee for cutting of follow-up paper.

The adjusting component 33 comprises a handwheel 331, a screw 332, a fixed seat 333 and a bevel gear 334, the fixing seat 333 is connected to the mounting plate 32, the screw 332 is screwed with the fixing seat 333, the bevel gear 334 is rotatably coupled to the mounting plate 32, the screw 332 engages the bevel gear 334, the hand wheel 331 is fixedly connected to the screw rod 332, the crankshaft 34 is in key connection with the bevel gear 334, when the crankshaft 34 is finely adjusted, the handwheel 331 is rotated, the screw 332 rotating synchronously drives the helical gear 334 to rotate, the rotating helical gear 334 drives the crankshaft 34 to rotate, the rotation of the crankshaft 34 is realized, the middle part of the crankshaft 34 swings around the central shaft of the helical gear 334, so that the middle part of the crankshaft 34 presses the middle part of the paper, the rotation angle of the hand wheel 331 is adjusted according to actual conditions, the rotation angle of the crankshaft 34 is adjusted, the force for pressing and holding paper in the middle of the crankshaft 34 is corrected, and the purpose of uniform tension on the two transverse sides and the transverse middle of the paper is achieved.

The rack 1 comprises a side plate 11 and a connecting plate 12 connected with the side plate 11 through a shaft, the first driving piece 31 is arranged on the side plate 11, the output end of the first driving piece 31 is connected with the connecting plate 12, and the mounting plate 32 is arranged on the connecting plate 12.

Compression roller subassembly 2 includes lower roll 21 and the last roller 22 with lower roll 21 parallel arrangement, lower roll 21 rotates to be connected in curb plate 11, and external driving source drive lower roll 21 rotates, go up roller 22 and rotate to be connected in connecting plate 12, go up roller 22 and be the rubber roll, lower roll 21 is the steel wheel, and the paper is carried between rubber roll and steel wheel, and when first driving piece 31 drive connecting plate 12 goes up and down, it goes up roller 22 and mounting panel 32 and goes up and down simultaneously, even the interval increase that gets to go up roller 22 and lower roll 21, and mounting panel 32 drives bent axle 34 and leaves the paper, adjusts each item parameter when conveniently changing the paper.

The lateral wall of going up roller 22 is equipped with the flat portion of a plurality of, and every flat portion of exhibition all includes a left convex part 221 and a right convex part 222, left side convex part 221 with right convex part 222 links to each other, and left convex part 221 and right convex part 222 are the symmetry and set up, the extending direction of left side convex part 221 and the crossing setting of the axis of going up roller 22, two adjacent flat portion intervals set up, please refer to fig. 1, and when the paper was carried, last roller 22 rotated, and left convex part 221 and right convex part 222 synchronous rotation are pressed and are held the paper and make the paper expand to both sides from the middle part, further ensure the roughness on paper surface.

Mounting panel 32 is equipped with a plurality of rectangular hole 321, and external connecting piece passes rectangular hole 321 and with connecting plate 12 fixed connection, and the quantity of rectangular hole 321 is three, all is vertical setting, conveniently adjusts the vertical position of mounting panel 32, conveniently transfers the machine.

The crankshaft 34 is arranged in an arc shape, the middle of the crankshaft 34 is arranged close to the compression roller assembly 2, paper is firstly output by the compression roller assembly 2, then the crankshaft 34 firstly presses and holds the transverse middle of the paper, the tension of the transverse middle of the paper firstly meets the production requirement, and finally the two transverse side edges of the paper are pressed and held by the crankshaft 34, namely the tension of the two transverse side edges of the paper meets the production requirement, and the uniformity of the tension of the unit area of the paper is ensured.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims

1. The utility model provides a overspeed device tensioner of cutting machine, includes frame (1) and rotates and connect in compression roller subassembly (2) of frame (1), its characterized in that: the tensioning mechanism (3) is arranged on the frame (1);

straining device (3) include first driving piece (31), mounting panel (32), adjustment subassembly (33) and bent axle (34), frame (1) and drive mounting panel (32) lift are located in first driving piece (31), bent axle (34) rotate and set up in mounting panel (32), mounting panel (32) are located in adjustment subassembly (33), adjustment subassembly (33) drive bent axle (34) rotate, and the middle part swing of bent axle (34) makes the middle part of bent axle (34) press and hold the external paper on the cutting machine.

2. The tensioning device of splitting machine according to claim 1, characterized in that: the adjusting component (33) comprises a hand wheel (331), a screw rod (332), a fixed seat (333) and a bevel gear (334), the fixed seat (333) is connected to the mounting plate (32), the screw rod (332) is in threaded connection with the fixed seat (333), the bevel gear (334) is rotationally connected to the mounting plate (32), the screw rod (332) is meshed with the bevel gear (334), the hand wheel (331) is fixedly connected to the screw rod (332), and the crankshaft (34) is in key connection with the bevel gear (334).

3. The tensioning device of splitting machine according to claim 1, characterized in that: frame (1) includes curb plate (11) and connecting plate (12) be connected with curb plate (11), curb plate (11) are located in first driving piece (31), the output of first driving piece (31) with connecting plate (12) are connected, connecting plate (12) are located in mounting panel (32).

4. The tensioning device of splitting machine according to claim 3, characterized in that: the compression roller assembly (2) comprises a lower roller (21) and an upper roller (22) arranged in parallel with the lower roller (21), the lower roller (21) is rotatably connected to the side plate (11), and the upper roller (22) is rotatably connected to the connecting plate (12).

5. The tensioning device of splitting machine according to claim 4, characterized in that: the lateral wall of going up roller (22) is equipped with the flat portion of a plurality of exhibition, and every exhibition flat portion all includes left convex part (221) and right convex part (222), left side convex part (221) with right convex part (222) are connected, and left side convex part (221) and right convex part (222) are the symmetry and set up, the extending direction of left side convex part (221) intersects with the axis of going up roller (22) and sets up.

6. The tensioning device of splitting machine according to claim 3, characterized in that: the mounting plate (32) is provided with a plurality of strip holes (321), and an external connecting piece penetrates through the strip holes (321) and is fixedly connected with the connecting plate (12).

7. The tensioning device of splitting machine according to claim 1, characterized in that: the crankshaft (34) is arranged in an arc shape, and the middle of the crankshaft (34) is arranged close to the compression roller assembly (2).

8. The tensioning device of splitting machine according to claim 1, characterized in that: the first driving member (31) is a cylinder.