CN210140310U - Paper breaking preventing device of web printing machine - Google Patents

Abstract

The utility model belongs to the field of paper breaking prevention devices, in particular to a paper breaking prevention device of a web press, aiming at the problems that the elasticity of the prior spring is fixed and can not be adjusted, the application range is small, and the elasticity of the spring can not meet the use of paper made of different materials due to different tensions of the paper made of different materials, the scheme is provided, which comprises two fixing seats, wherein the two fixing seats are both provided with mounting holes with openings at the bottom, slide blocks are respectively and slidably mounted in the two mounting holes, one side of the two slide blocks which are close to each other is rotatably mounted with a same tension floating roller, a reel paper tape is arranged below the tension floating roller, one end of a first spring is respectively and fixedly mounted at the top of the two slide blocks, the other ends of the two first springs are respectively welded with the inner walls at the tops of the two mounting holes, the utility model can adjust the elasticity of, therefore, the paper box can adapt to paper made of different materials, and is wide in application range, simple in structure and convenient to use.

Description

Paper breaking preventing device of web printing machine

Technical Field

The utility model relates to a prevent paper break technical field, especially relate to a web press prevent paper break device.

Background

The roll paper printing machine adopts roll paper as a printing material, and in the last three years, the sales volume of commercial roll paper printing machines obtained in the global market every year is on average 11 hundred million dollars, and the roll paper printing machines are disconnected due to the change of tension in the use process of the roll paper printing machines, so that the problem of paper breakage is solved by the paper breakage preventing device of the roll paper printing machine in the patent document with the application number of 201220725673. X. The utility model discloses web printing machine's paper breakage prevention device through setting up tension floating roll, according to the tension of web printing machine drive division speed's change effective control reel paper tape, has avoided reel paper tape tension too big or undersize and the phenomenon of snapping the reel paper tape in the twinkling of an eye, can not cause shut down and paper extravagant, has improved production efficiency, reduce cost.

However, when the paper breaking preventing device of the web printing press is used, the elasticity of the spring is fixed, adjustment cannot be performed, the application range is small, and the elasticity fixation of the spring cannot meet the use requirements of paper made of different materials due to different tensions of the paper made of different materials, so the paper breaking preventing device of the web printing press is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving and having the elasticity of spring among the prior art fixed, can not adjust, application scope is little, because the tension of the paper of different materials is different, the fixed shortcoming that can not satisfy the paper use of different materials of elasticity of spring, and the web fed press's that proposes prevents paper break device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a paper breaking prevention device of a web printing machine comprises two fixed seats, wherein mounting holes with openings at the bottoms are formed in the two fixed seats, sliding blocks are arranged in the two mounting holes in a sliding mode, one side, close to each other, of each sliding block is rotatably provided with the same tension floating roller, a reel paper tape is arranged below the tension floating roller, one ends of first springs are fixedly arranged at the tops of the two sliding blocks, the other ends of the two first springs are respectively welded with the inner walls of the tops of the two mounting holes, the bottoms of the two fixed seats are fixedly provided with the same base, the top of the base is slidably provided with two push plates, one ends of push rods are rotatably arranged on the two push plates, the other ends of the two push rods are rotatably provided with sliding plates, the tops of the two sliding plates are respectively contacted with the bottoms of the two sliding blocks, and a rotating column positioned between the two push, the outside fixed mounting who rotates the post has the one end of two extrusion stems, and the other end of two extrusion stems all rolls and installs the ball, and two balls roll with one side roll connection that two kickboards are close to each other respectively, rotate the top fixed mounting of post and have the rolling disc.

Preferably, the outer side of the rotating column is fixedly sleeved with an annular plate, and a plurality of uniformly distributed right-angled trapezoidal teeth are fixedly mounted on the outer side of the annular plate.

Preferably, the top of the base is slidably provided with a moving block, one side of the moving block is fixedly provided with a right-angled trapezoidal block, and the right-angled trapezoidal block is matched with the right-angled trapezoidal teeth.

Preferably, the top fixed mounting of base has the fixed block, and one side fixed mounting of fixed block has the one end of second spring, and the other end of second spring and the movable block keep away from one side of right angle trapezoidal piece and weld mutually, and the top of base is seted up flutedly, and slidable mounting has the connecting block in the recess, and the top of connecting block welds with the bottom of movable block, and fixed mounting has the horizontal pole in the recess, connecting block and horizontal pole sliding connection.

Preferably, two mounting grooves have been seted up to the bottom of base, equal slidable mounting has the extrusion piece in two mounting grooves, the top of two extrusion pieces welds with the bottom of two sludgers respectively, the equal fixed mounting in one side that two extrusion pieces kept away from each other has the one end of third spring, the other end of two third springs welds with the one side inner wall that two mounting grooves kept away from each other respectively mutually, equal fixed mounting has the round bar in two mounting grooves, the outside of two round bars is located to two third springs cover respectively, two extrusion pieces respectively with two round bar sliding connection.

Preferably, the rectangular channel has all been seted up on the both sides inner wall of two mounting holes, and the equal fixed mounting in both sides of two sliders and two slides has the rectangular block, the lateral wall sliding connection of rectangular block and rectangular channel.

Compared with the prior art, the utility model has the advantages of:

(1) when the scheme is used, the rotating disc is rotated clockwise, the rotating disc drives the rotating column to rotate, the rotating column drives the two extrusion rods to rotate, the two extrusion rods drive the two balls to roll on one side, close to the two pushing plates, so that the two pushing plates are far away from each other, the two pushing plates drive the two sliding plates to move upwards through the two pushing rods, the two sliding plates drive the two sliding blocks to move upwards, the two first springs are extruded through the two sliding blocks, the elastic force of the two first springs is changed, and the more the first springs are compressed, the greater the elastic force is;

(2) according to the scheme, the rotating column can drive the annular plate to rotate at the same time, the right trapezoid teeth can extrude the right trapezoid blocks when the annular plate rotates, the right trapezoid blocks drive the moving block to move rightwards, the moving block moves to enable the second spring to contract, when the annular plate stops rotating, pressure on the right trapezoid blocks disappears, the moving block and the right trapezoid blocks can reset leftwards through the second spring, the right trapezoid blocks are in contact with the corresponding right trapezoid teeth, the annular plate is limited, the annular plate is prevented from rotating, and therefore the positions of the rotating column and the two extrusion rods are fixed;

(3) according to the scheme, the two extrusion blocks can be driven to move through the movement of the two pushing plates, and the movement of the two extrusion blocks enables the two third springs to contract;

(4) according to the scheme, the two sliding blocks and the two sliding plates can only slide up and down through the rectangular grooves and the rectangular blocks, and deviation is avoided;

(5) according to the scheme, through the arrangement of the right trapezoid teeth and the right trapezoid blocks, when the annular plate rotates clockwise, the inclined surfaces of the right trapezoid teeth can extrude the inclined surfaces of the right trapezoid blocks, so that the right trapezoid blocks are displaced, when the annular plate rotates anticlockwise, the right-angle edges of the right trapezoid blocks are in contact with the right-angle edges of the right trapezoid teeth, the right trapezoid teeth can be limited, the annular plate cannot be reversed, and if the annular plate is reversed, the moving block and the right trapezoid blocks need to be pulled manually to move rightwards;

(6) this scheme can be adjusted the elasticity of two first springs to can adapt to the paper of different materials, application scope is wider, simple structure, convenient to use.

Drawings

Fig. 1 is a schematic structural view of a paper breakage preventing device of a web printing press according to the present invention;

fig. 2 is a schematic top view of the connection of the pushing plate, the rotating column, the extrusion rod, the annular plate, the right trapezoid teeth and the moving block of the paper breaking prevention device of the web printing machine according to the present invention;

fig. 3 is a schematic structural view of a portion a of an anti-web break apparatus of a web printing press according to the present invention;

fig. 4 is a schematic structural diagram of a part B of an anti-web break apparatus of a web printing press according to the present invention;

fig. 5 is a schematic side view of the connection of the fixing base, the sliding block and the sliding plate of the paper breaking prevention device of the web printing machine.

In the figure: the device comprises a fixed seat 1, a mounting hole 2, a sliding block 3, a floating roller 4, a first spring 5, a paper tape 6, a base 7, a sliding plate 8, a push rod 9, a push plate 10, a rotating column 11, an extrusion rod 12, an annular plate 13, a right-angle trapezoidal tooth 14, a moving block 15, a right-angle trapezoidal block 16, a fixed block 17, a second spring 18, an extrusion block 19 and a third spring 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example one

Referring to fig. 1-5, a paper breaking preventing device of a web printing press comprises two fixed seats 1, wherein the two fixed seats 1 are respectively provided with a mounting hole 2 with an opening at the bottom, sliding blocks 3 are respectively arranged in the two mounting holes 2 in a sliding manner, one side of each of the two sliding blocks 3 close to each other is rotatably provided with a same tension floating roller 4, a reel paper tape 6 is arranged below the tension floating roller 4, the tops of the two sliding blocks 3 are respectively and fixedly provided with one end of a first spring 5, the other ends of the two first springs 5 are respectively welded with the inner walls of the tops of the two mounting holes 2, in the running process of the web printing press, when the driving part of the web printing machine is suddenly accelerated, the tension of the reel paper tape 6 is increased, the tension floating roller 4 is pulled upwards, the tension floating roller 4 moves upwards under the action of the sliding block 3, the first spring 5 is compressed, the tension of the reel paper tape 6 is reduced, and the phenomenon that the reel paper tape 6 is broken is avoided; when a driving part of the web printing machine suddenly decelerates, the tension of a reel paper tape 6 is reduced, the tension floating roller 4 drives the tension floating roller 4 to move downwards under the action of gravity and the elastic force of a first spring 5, the reel paper tape 6 is pulled to increase the tension, the tension of the reel paper tape 6 is always kept stable, the bottom parts of two fixed seats 1 are fixedly provided with the same base 7, the top part of the base 7 is slidably provided with two push plates 10, one end of a push rod 9 is rotatably arranged on each of the two push plates 10, the other ends of the two push rods 9 are rotatably provided with sliding plates 8, the top parts of the two sliding plates 8 are respectively contacted with the bottom parts of two sliding blocks 3, the top part of the base 7 is rotatably provided with a rotating column 11 positioned between the two push plates 10, one end of two extrusion rods 12 is fixedly arranged on the outer side of the rotating column 11, the two balls are respectively connected with one side of the two pushing plates 10 close to each other in a rolling manner, and a rotating disc is fixedly mounted at the top of the rotating column 11.

In this embodiment, the outer side of the rotating column 11 is fixedly sleeved with the annular plate 13, the outer side of the annular plate 13 is fixedly provided with a plurality of uniformly distributed right-angled trapezoidal teeth 14, and the rotation of the annular plate 13 can drive the right-angled trapezoidal teeth 14 to rotate.

In this embodiment, there is the movable block 15 at the top slidable mounting of base 7, one side fixed mounting of movable block 15 has right angle trapezoidal piece 16, right angle trapezoidal piece 16 cooperatees with right angle trapezoidal tooth 14, the inclined plane of right angle trapezoidal tooth 14 can extrude the inclined plane of right angle trapezoidal piece 16 when annular plate 13 clockwise turning, make the displacement of right angle trapezoidal piece 16, when annular plate 13 anticlockwise turning, the right angle limit of right angle trapezoidal piece 16 and the right angle limit contact of right angle trapezoidal tooth 14, can restrict right angle trapezoidal tooth 14, make annular plate 13 unable reversal.

In this embodiment, the top fixed mounting of base 7 has fixed block 17, one side fixed mounting of fixed block 17 has the one end of second spring 18, the other end of second spring 18 and the one side that right angle trapezoidal piece 16 was kept away from to movable block 15 weld mutually, the top of base 7 is seted up flutedly, slidable mounting has the connecting block in the recess, the top of connecting block and the bottom of movable block 15 weld mutually, fixed mounting has the horizontal pole in the recess, connecting block and horizontal pole sliding connection, the connecting block, the setting of recess and horizontal pole, can make movable block 15 horizontal migration off normal, second spring 18 can make movable block 15 not reset when the atress.

In this embodiment, two mounting grooves have been seted up to base 7's bottom, equal slidable mounting has extrusion piece 19 in two mounting grooves, the top of two extrusion pieces 19 welds with the bottom of two slushing plates 10 respectively, the equal fixed mounting in one side that two extrusion pieces 19 kept away from each other has the one end of third spring 20, the other end of two third springs 20 welds with the one side inner wall that two mounting grooves kept away from each other respectively, equal fixed mounting has the round bar in two mounting grooves, the outside of two round bars is located to two third springs 20 cover respectively, two extrusion pieces 19 respectively with two round bar sliding connection, can make two slushing plates 10 horizontal slip not off normal, two third springs 20 can restrict two extrusion pieces 19's position, two extrusion pieces 19 need external force if will remove and make third spring 20 deformation.

In this embodiment, the rectangular channel has all been seted up on the both sides inner wall of two mounting holes 2, and the equal fixed mounting in both sides of two sliders 3 and two slides 8 has the rectangular block, and the lateral wall sliding connection of rectangular block and rectangular channel can make two sliders 3 and two slides 8 slide not off normal from top to bottom.

Example two

Referring to fig. 1-5, a paper breaking preventing device of a web printing press comprises two fixing seats 1, wherein the two fixing seats 1 are respectively provided with a mounting hole 2 with an opening at the bottom, sliding blocks 3 are respectively mounted in the two mounting holes 2 in a sliding manner, one side, close to each other, of each sliding block 3 is rotatably provided with a same tension floating roller 4, a web paper tape 6 is arranged below each tension floating roller 4, the tops of the two sliding blocks 3 are respectively fixedly provided with one end of a first spring 5 through welding, the other ends of the two first springs 5 are respectively welded with the inner walls of the tops of the two mounting holes 2, in the operation process of the web printing press, when a driving part of the web printing press is suddenly accelerated, the tension of the web paper tape 6 is increased, the tension floating roller 4 can be pulled upwards, the tension floating roller 4 moves upwards under the action of the sliding blocks 3, the first springs, the phenomenon that the reel paper tape 6 is broken is avoided; when a driving part of the web printing machine suddenly decelerates, the tension of a reel paper tape 6 is reduced, the tension floating roller 4 drives the tension floating roller 4 to move downwards under the action of gravity and the elastic force of a first spring 5, the reel paper tape 6 is pulled to increase the tension, the tension of the reel paper tape 6 is always kept stable, the bottoms of two fixed seats 1 are fixedly welded with the same base 7, the top of the base 7 is slidably provided with two push plates 10, one end of a push rod 9 is rotatably arranged on each of the two push plates 10, the other ends of the two push rods 9 are rotatably provided with sliding plates 8, the tops of the two sliding plates 8 are respectively contacted with the bottoms of two sliding blocks 3, the top of the base 7 is rotatably provided with a rotating column 11 positioned between the two push plates 10, one ends of two extrusion rods 12 are fixedly welded on the outer side of the rotating column 11, and the other ends of the two extrusion, the two balls are respectively connected with one side of the two pushing plates 10 close to each other in a rolling manner, and the top of the rotating column 11 is fixedly provided with a rotating disc through welding.

In this embodiment, the outer side of the rotating column 11 is fixedly sleeved with the annular plate 13, the outer side of the annular plate 13 is fixedly provided with a plurality of uniformly distributed right-angled trapezoidal teeth 14 by welding, and the rotation of the annular plate 13 can drive the right-angled trapezoidal teeth 14 to rotate.

In this embodiment, base 7's top slidable mounting has movable block 15, one side of movable block 15 installs right angle trapezoidal piece 16 through welded fastening, right angle trapezoidal piece 16 cooperatees with right angle trapezoidal tooth 14, the inclined plane of right angle trapezoidal tooth 14 can extrude the inclined plane of right angle trapezoidal piece 16 when annular plate 13 clockwise turning, make the displacement of right angle trapezoidal piece 16, when annular plate 13 anticlockwise turning, the right angle limit of right angle trapezoidal piece 16 and the right angle limit contact of right angle trapezoidal tooth 14, can restrict right angle trapezoidal tooth 14, make annular plate 13 unable reversal.

In this embodiment, the fixed block 17 is installed at the top of base 7 through welded fastening, the one end of second spring 18 is installed through welded fastening in one side of fixed block 17, the other end of second spring 18 welds with one side that right angle trapezoidal piece 16 was kept away from to movable block 15 mutually, the recess is seted up at the top of base 7, slidable mounting has the connecting block in the recess, the top of connecting block welds with the bottom of movable block 15, there is the horizontal pole through welded fastening in the recess, connecting block and horizontal pole sliding connection, the connecting block, the setting of recess and horizontal pole, can make movable block 15 horizontal migration not off normal, second spring 18 can make movable block 15 not reset when the atress.

In this embodiment, two mounting grooves have been seted up to base 7's bottom, equal slidable mounting has extrusion piece 19 in two mounting grooves, the top of two extrusion pieces 19 welds with the bottom of two slurcam 10 respectively, one side that two extrusion pieces 19 kept away from each other all has the one end of third spring 20 through welded fastening installation, the other end of two third springs 20 welds with one side inner wall that two mounting grooves kept away from each other respectively, all there is the round bar through welded fastening installation in two mounting grooves, the outside of two round bars is located to two third springs 20 cover respectively, two extrusion pieces 19 respectively with two round bar sliding connection, can make two slurcam 10 horizontal slip not off normal, two third springs 20 can restrict two extrusion piece 19's position, two extrusion pieces 19 need to have external force to make third spring 20 deformation if removing.

In this embodiment, the rectangular channel has all been seted up on the both sides inner wall of two mounting holes 2, and the both sides of two sliders 3 and two slides 8 all have the rectangular block through welded fastening, and the lateral wall sliding connection of rectangular block and rectangular channel can make two sliders 3 and two slides 8 slide not off normal from top to bottom.

In the embodiment, when the paper feeding device is used, the rotating disc is rotated clockwise, the rotating disc drives the rotating column 11 to rotate, the rotating column 11 drives the two extrusion rods 12 to rotate, the two extrusion rods 12 drive the two balls to roll on one side where the two push plates 10 are close to each other, so that the two push plates 10 are far away from each other, the two push plates 10 drive the two sliding plates 8 to move upwards through the two push rods 9, the two sliding plates 8 drive the two sliding blocks 3 to move upwards, the two first springs 5 are extruded through the two sliding blocks 3, the elastic force of the two first springs 5 is changed, the tighter elastic force compressed by the first springs 5 is larger, the harder the paper material is, the first springs 5 can be extruded, the rotating column 11 drives the two extrusion rods 12 to rotate and can drive the annular plate 13 to rotate, the trapezoidal right-angled teeth 14 can extrude the right-angled trapezoidal block 16 when the annular plate 13 rotates, and the right-angled trapezoidal block 16 drives the moving block, the moving block 15 moves to contract the second spring 18, when the annular plate 13 stops rotating, the pressure that the right-angle trapezoidal block 16 receives disappears, the moving block 15 and the right-angle trapezoidal block 16 can be reset leftwards through the second spring 18, the right-angle trapezoidal block 16 is in contact with the corresponding right-angle trapezoidal teeth 14, the annular plate 13 is limited, the annular plate 13 is prevented from rotating, the positions of the rotating column 11 and the two extrusion rods 12 are fixed, the positions of the two sliding plates 8 can be fixed, when the material of paper is soft, the first spring 5 can be loosened, if the paper is soft, when the elasticity of the first spring 5 is large, the first spring 5 can not be deformed to break the paper, conversely, when the paper is hard, when the first spring 5 is loose, the purpose of controlling the tension of the paper tape reel 6 can not be achieved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The paper breaking prevention device of the roll paper printing machine comprises two fixing seats (1), wherein mounting holes (2) with the bottoms being open are formed in the two fixing seats (1), sliding blocks (3) are arranged in the two mounting holes (2) in a sliding manner, one side, close to each other, of each of the two sliding blocks (3) is rotatably provided with the same tension floating roller (4), a reel paper tape (6) is arranged below each tension floating roller (4), one ends of first springs (5) are fixedly arranged at the tops of the two sliding blocks (3), the other ends of the two first springs (5) are respectively welded with the inner walls of the tops of the two mounting holes (2), the roll paper breaking prevention device is characterized in that the bottoms of the two fixing seats (1) are fixedly provided with the same base (7), two pushing plates (10) are slidably arranged at the tops of the base (7), and one ends of pushing rods (9) are rotatably arranged on the two pushing plates, the other end of two catch bars (9) all rotates and installs slide (8), and the top of two slide (8) contacts with the bottom of two sliders (3) respectively, the top of base (7) is rotated and is installed rotation post (11) that are located between two catch bars (10), and the outside fixed mounting who rotates post (11) has the one end of two stripper bars (12), and the other end of two stripper bars (12) all rolls and installs the ball, and two balls are respectively with one side roll connection that two catch bars (10) are close to each other, rotate the top fixed mounting of post (11) and have the rolling disc.

2. The web break preventing device of a web printing press as recited in claim 1, characterized in that an annular plate (13) is fixedly sleeved on the outer side of the rotary column (11), and a plurality of uniformly distributed right-angled trapezoidal teeth (14) are fixedly installed on the outer side of the annular plate (13).

3. The web break prevention device of a web printing press as recited in claim 1, wherein a moving block (15) is slidably mounted on the top of the base (7), a right-angled trapezoidal block (16) is fixedly mounted on one side of the moving block (15), and the right-angled trapezoidal block (16) is matched with the right-angled trapezoidal teeth (14).

4. The web-fed printing press paper-break preventing device according to claim 1, characterized in that a fixed block (17) is fixedly mounted at the top of the base (7), one end of a second spring (18) is fixedly mounted at one side of the fixed block (17), the other end of the second spring (18) is welded with one side of the moving block (15) away from the right-angled trapezoidal block (16), a groove is formed at the top of the base (7), a connecting block is slidably mounted in the groove, the top of the connecting block is welded with the bottom of the moving block (15), a cross bar is fixedly mounted in the groove, and the connecting block is slidably connected with the cross bar.

5. The web break prevention device of a web printing press according to claim 1, wherein two mounting grooves are formed in the bottom of the base (7), extrusion blocks (19) are slidably mounted in the two mounting grooves, the tops of the two extrusion blocks (19) are respectively welded to the bottoms of the two pushing plates (10), one ends of third springs (20) are fixedly mounted on the sides of the two extrusion blocks (19) away from each other, the other ends of the two third springs (20) are respectively welded to the inner walls of the sides of the two mounting grooves away from each other, round bars are fixedly mounted in the two mounting grooves, the two third springs (20) are respectively sleeved on the outer sides of the two round bars, and the two extrusion blocks (19) are respectively slidably connected with the two round bars.

6. The web break preventing device of a web printing press as claimed in claim 1, characterized in that the two side walls of the two mounting holes (2) are each provided with a rectangular groove, and the two sides of the two sliders (3) and the two sliders (8) are each fixedly provided with a rectangular block, which is slidably connected with the side wall of the rectangular groove.

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