KR101916325B1 - Sleeve Roller Fixing Device for Printing Machine - Google Patents

Abstract

The present invention relates to a printer for easily replacing a rubber roller of a sleeve through a clamp of a tongs-type opening and closing structure. Accordingly, it is possible to easily and conveniently exchange and replace, by a clamp of a tongs-type opening and closing structure, a rubber roller coupled to the outer circumferential surface of a steel shaft (iron core) according to a width change of a used fabric, a wear damage state, or a working condition with respect to a sleeve (a kind of support contact tube) forming a group with a rotating roller. The clamp is formed in a pair in which tongs-type holders having hemispherical hooks are symmetrical to each other, and is opened and closed by an elevating cylinder, an opening and closing plate, and the like, so as to perform grip and release according to loosening. The tongs-type holder is formed to facilitate smooth horizontality and rotation of a sleeve when a bearing rotator of the sleeve is gripped (tightened). When releasing (untightening) the tongs-type holder, the steel shaft of the sleeve is held with respect to one side support bearing, and the other side bearing rotary body is placed in a free end state having a cantilever shape, and a rubber roller having a diameter greater than that of the bearing rotary body is separated in an axial line direction to be drawn out through an opening and closing port for exchanging a frame. Only the rubber roller can be exchanged and replaced in a state in which the steel shaft remains intactly. The separation and re-setting work time is remarkably reduced. Moreover, the stability for horizontal precision is secured to remarkably improve productivity of the entire printing process.

Description

[0002] Sleeve Roller Fixing Device for Printing Machine [0003]

In the present invention, a rubber roller coupled to the outer circumferential surface of a steel shaft (steel core) is clamped to a sleeve (a kind of support and tightening tube) forming a pair with a rotating roller by a clamp The present invention relates to a press capable of easily replacing a rubber roller of a sleeve through a clamp having a clamping type opening and closing structure.

Thus, the clamp of the present invention is configured such that the grip type holders having the hemispherical hooks are symmetrically formed with each other, and are opened and closed by the lifting cylinder, the open / close plate, When the holder of the sleeve is gripped (tightened), the sleeve is smoothly leveled and rotated. When the holder is released (released), the steel shaft of the sleeve is mounted on the basis of the one support bearing, The rubber roller having a diameter larger than that of the bearing rotating body is separated and released in the axial direction while being pulled out through the exchange opening and closing port of the frame while the rubber roller is larger than the bearing rotating body in the free end state in which the entire side is in the form of a cantilever, It is formed so that it can be exchanged by itself. Of course, to speed doemeun is ensured the stability of the horizontal accuracy is characterized in that to improve significantly the overall printing process productivity.

Generally, a gravure printing machine is a mass-speed high-speed printing method by roller conveyance, and the number of rollers is determined according to the number of prints, that is, the number of colors, and the printing is performed sequentially through the processes.

Thus, a conventional printing machine rotates a printing roller, which is formed by corroding a printed pattern on a cylindrical roller surface whose outer surface is coated with a copper plate by a chemical treatment, in a state of being mounted on a printing machine.

At this time, if the lower portion of the roller is rotated in a state in which it touches the ink container, the ink is buried, and the ink other than the ink adhered to the engraved portion by the fixed knife is scraped off and flows down into the ink container again. So that printing is performed.

Accordingly, the conventional gravure printing press removes the printing roller, which is mounted on the printing machine to perform printing of another drawing after the printing is finished, and replaces the printing roller of the design to be newly printed.

Of course, a sleeve other than the printing roller, that is, a tube which keeps the roll of paper or film material adhered closely to the printing roller maintains the horizontality, is also replaced and changed in accordance with the width of the used fabric.

However, when replacing the conventional printing rollers and sleeves, the entire shaft bundle on which the rollers are mounted is lifted and the printing roller (or sleeve) is replaced and replaced. Thus, Or more. If the roller is dropped during the replacement operation, it will cause a serious injury to the feet and the like, and the shape of the pattern engraved on the outer surface of the roller may be damaged and the expensive printing roller may be damaged.

1. Korean Registered Patent No. 10-0717775 (2007.05.07.)

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned problems, and it is a technical object of the present invention to provide a sleeve (a kind of supporting and sealing tube) which forms a pair with a rotating roller, And the clamps of the clamping type having a clamping type opening and closing structure can be exchanged easily and simply by replacing the rubber roller which is coupled to the outer circumferential surface with the clamping type clamps. The clamps have a pair of clamping holders having hemispherical hooks symmetrical to each other, And the gripping and releasing operation is performed such that the gripping type holder grips (rotates) the bearing rotating body of the sleeve to smoothly rotate the sleeve. (Loosened), the steel shaft of the sleeve is mounted on the basis of one support bearing The rubber roller having a diameter larger than that of the bearing rotating body is separated and separated in the axial direction while being pulled out through the exchange opening and closing port of the frame while leaving the steel shaft as it is The rubber roller alone can be exchanged and replaced, so that the time for removing and re-setting can be remarkably shortened, as well as the stability against horizontal accuracy can be ensured and the productivity of the entire printing process can be greatly improved. .

To achieve these objects, the present invention provides an up-down cylinder 20 having a lifting rod 21 on one side of a panel frame 10 facing each other, and an up-down panel Down panel 30 is moved up and down through the raising and lowering rails 50 and 60 of the one guide block 40 and the sleeve 70 is rotated by the rotary roller The fixing bracket 100 having the bearing insertion tube 110 is provided on the support plate 32 of one up-down panel of the up-down panel 30, The support bearing 120 is coupled to the bearing insertion tube 110 so that one end of the steel shaft 71 of the sleeve 70 is formed to be engaged while being held in a state of being always engaged, The panel (30) The support plate 32 of the up-down panel is provided with a grip type holder 200 to perform a tightening and releasing operation while gripping or releasing the outer housing of the bearing rotation body 300. In the gripping of the grip type holder 200, The bearing rotating body 300 is formed so as to maintain the horizontal position of the sleeve 70 with respect to the support bearing 120. When the gripping-type holder 200 is unlocked, The rubber roller 72 of the sleeve 70 is separated from the steel shaft 71 so that the rubber roller 72 can be drawn out from the inside and the outside through the exchange opening and closing port 11 while the gripper- Shaped hooks 210 are arranged symmetrically with respect to one another so that a hinge shaft 220 and a movable pin 230 are respectively formed on one side and the other side of a surface of the clamping type holder 200, 220 are fixed on either side of the surface of the support plate 32 And the movable pin 230 is inserted into the opening and closing slot 410 formed on the surface of the opening and closing plate 400 so that when the interlocking rod 510 of the lifting cylinder 500 is pulled up and down, The hook 210 urges the hook 210 against the hinge shaft 220 while moving in the longitudinal stroke section of the bearing rotating body 300 while the hook 210 is engaged with the outer housing of the bearing rotating body 300, And is detachably attached.

The gripper holder 200 is provided with a pressure regulator 240 on the line of the hook 210 so that the sleeve 70 can be horizontally and precisely centered.

At this time, the buffer band 250 is coupled to the periphery of the hook 210 in the hook-type holder 200, and the buffer bands 250 are formed in the hook 210 by forming a fitting protrusion 251, And can be detachably attached corresponding to the groove (211).

The hinge shaft 220 is formed with a ball bearing 260 on the outer circumferential surface thereof to enhance arc-shaped pivoting of the gripper holder 200.

At this time, it is preferable that the gripper-type holder 200 is further provided with an auxiliary locker 270 at a lower close contact portion of the hook 210 symmetrical to each other when gripping (tightening).

As described above, according to the present invention, the rubber roller, which is coupled to the outer circumferential surface of the steel shaft (iron core) according to the change of the used fabric width, the wear-damaged condition, There is an effect that the clamp of the structure can be exchanged easily and easily.

Thus, the clamp of the present invention is configured such that the grip type holders having the hemispherical hooks are symmetrically formed with each other, and are opened and closed by the lifting cylinder, the open / close plate, When the holder of the sleeve is gripped (tightened), the sleeve is smoothly leveled and rotated. When the holder is released (released), the steel shaft of the sleeve is mounted on the basis of the one support bearing, The rubber roller having a diameter larger than that of the bearing rotating body is separated and released in the axial direction while being pulled out through the exchange opening and closing port of the frame while the rubber roller is larger than the bearing rotating body in the free end state in which the entire side is in the form of a cantilever, It is formed so that it can be exchanged by itself. Of course, to speed doemeun is ensured the stability of the horizontal accuracy there is an effect such that greatly improved productivity of the entire printing process.

1 is a side view of a printing press equipped with a clamp according to the present invention,
FIGS. 2 to 3 are views showing a fixed side end portion of a sleeve according to the present invention;
Figs. 4 to 5 are views showing an example of a grip type holder side of the sleeve according to the present invention,
6 is a view showing an example of a pressure regulator according to the present invention,
7 is an exemplary view showing a buffer band according to the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below with reference to the accompanying drawings.

As shown in FIGS. 1 to 5, an up-down cylinder 20 having a lifting rod 21 is formed on one side of a panel frame 10 facing each other.

The upper plate 31 of the up-down panel 30 is coupled to the end of the lifting rod 21. The up-down panel 30 is coupled to the lifting rail 50 of the guide block 40 and the lifting / The sleeve 70 is formed so as to perform rolling or bonding at the time of printing while being close to or spaced from the rotary roller 80. [

For reference, the rotating roller is arranged to be horizontally disposed on one side of the sleeve, and is configured to rotate by a power source that is rotated by the gear box.

That is, the printing machine is a large-box-shaped machine having a box shape. In such a printing machine, a printing unit or a joining unit is formed for each operation progress direction section. In each of the units, a sleeve and a rotating roller form a pair, Respectively.

At this time, the panel frame is configured to serve as a body for the sleeve and the rotating roller, and the up-down cylinder is configured to move up and down the up-down panel equipped with the sleeve described later.

That is, the up-down panel is a form in which the sleeve is mounted, the sleeve is coupled to the support bearing at one end, the other end is coupled to the bearing rotator, and the up-down cylinder is lifted upward The rubber roller of the sleeve is formed to be exchangeable with the discharge port of the panel frame. This will be described in detail below.

First, the up-down panel 30 is provided on each of the panel frames facing each other, and the end of the lifting rod 21 formed on each up-down cylinder is coupled with the fixing plate 31 of the up-down panel 30.

At this time, the up-down panel 30 is formed to be vertically conveyed through the elevating rail 50 of the one guide block 40 and the elevating door 60.

That is, the elevating rail and the elevating guide are formed as a kind of LM guide, the guide block is formed to be bolted to the panel frame, the elevating rail formed on the guide block surface is slid up and down while corresponding to the elevating guide, And is formed so that the entire up-down panel is moved up and down by the up-down cylinder in combination with the panel.

This is to make the entire sleeve close to or away from the rotating roller, and in particular, to allow the sleeve to be lifted up to the replacement opening and closing port when the rubber roller of the sleeve is discharged. (When replacing the rubber roller, So that it can be exchanged safely.)

A support bracket 100 having a bearing insertion tube 110 is attached to a support plate 32 of one up-down panel of the up-down panel 30. A support bearing 120 is attached to the bearing insertion tube 110, And one end of the steel shaft 71 of the sleeve 70 is formed to be engaged while being held in a normally engaged state.

That is, the support plate 32 of the one-side up-down panel maintains the state where the sleeve is continuously engaged with the support bearing. The support bracket 100 of the support plate 32 of the one up-down panel is fixed, The bracket is formed with a bearing insertion pipe 110 and a bearing bearing 120 is coupled to the bearing insertion pipe so that one end of the steel shaft 71 of the sleeve 70 is fitted.

In other words, when the rubber roller is replaced or replaced, the other side end steel shaft (bearing rotating body) side is supported in the form of a cantilever. So as to be separated and separated)

At this time, the support plate 32 of the up-down panel 30 on the other side of the up-down panel 30 is provided with a grip type holder 200 for gripping or releasing the outer housing of the bearing rotation body 300 to perform tightening and loosening.

Accordingly, when the gripper (200) is gripped (tightened), the sleeve (70) is formed to maintain the level of the sleeve (70) with respect to the support bearing (120).

At this time, at the time of releasing (releasing) the clip holder 200, the bearing roller assembly 300 forms a cantilevered free end with respect to the support bearing 120, while the rubber roller 72 of the sleeve 70 is engaged with the steel shaft (71) is detached from the inside and outside through the exchange opening (11).

The hook-type holder 200 is arranged such that the hemispherical hooks 210 are symmetrically arranged with respect to each other. The hinge shaft 220 and the movable pin 230 Is formed.

The hinge shaft 220 is fixed to one side of the support plate 32 and the movable pin 230 is inserted into the opening and closing slot 410 formed on the surface of the opening and closing plate 400, When the interlocking rod 510 of the hook 210 is pulled up and down, the movable pin 230 moves in the longitudinal stroke section in the slot 410 to facilitate the arc-shaped rotation of the hook 210 with respect to the hinge shaft 220, The hooks 210 are formed to be detachably attached to the outer housing of the bearing rotating body 300 while encouraging engagement and disengagement.

The gripper holder 200 is provided with a pressure regulator 240 on the line of the hook 210 so that the sleeve 70 can be horizontally and precisely centered.

6, the pushing block 240 is formed with a cushioning block 243 in which the cushioning ball 241 is inserted into the groove 242 and the pulling block 243 is inserted into the hook 242, The pressing surface 245 is formed in the receiving groove 244 so as to accommodate the pressing surface 245 on the side opposite to the groove 242 so that the coil spring 246 is closely contacted with the pressing shaft 247 while maintaining elasticity. And the tightening shaft 247 is tightened through a tightening hole 248 of the hook and is adjusted by the adjusting knob 249 formed on the opposite side of the receiving groove 244 to adjust the tension of the coil spring 246, 243 to adjust the degree of pressing of the buffer balls 241.

7, the buffer band 250 is coupled to the periphery of the hook 210, and the buffer band 250 is formed with a fitting protrusion 251, And is removably attached to the recess 210 corresponding to the recess 211 formed in the recess 210.

That is, the buffer band is formed in a circular ring shape with one side opened, and the recesses of the wedge-type male and female structures are abutted against each other so that they can be engaged with each other. .

The hinge shaft 220 is formed with a ball bearing 260 on the outer circumferential surface thereof to enhance arc-shaped pivoting of the gripper holder 200.

That is, the ball bearing is formed such that the movable pin smoothly rotates the hinge shaft when the movable pin linearly moves within a straight stroke interval in a state where the opening and closing slots are horizontally formed with respect to the hinge axis.

At this time, it is preferable that the gripper-type holder 200 is further provided with an auxiliary locker 270 at a lower close contact portion of the hook 210 symmetrical to each other when gripping (tightening).

That is, the auxiliary locker is formed in the fixing groove 271 formed on the side surface of the hook so that the two side projecting fins 272 are inserted in the fixing member of the diaphragm type so as to prevent the lower end tightening portion of the hook from spreading, .

It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the present invention as defined by the appended claims and their equivalents. Of course, such modifications are within the scope of the claims.

10 ... Panel frame 20 ... Up-down cylinder
21 ... lifting rod 30 ... up-down panel
31 ... fixing plate 32 ... supporting plate
40 ... guide block 50 ... lift rail
60 ... hoisting mouth 70 ... sleeve
71 ... steel shaft 72 ... rubber roller
80 ... rotating roller
100 ... fixed bracket 110 ... bearing insertion tube
120 ... support bearing 200 ... clip holder
210 ... hook 220 ... hinge shaft
230 ... movable pin 240 ... pressure regulator
250 ... buffer band 260 ... ball bearing
270 ... Auxiliary locker 300 ... Bearing rotating body
400 ... open / close plate 410 ... open / close slot
500 ... lifting cylinder 510 ... interlocking rod

Claims (3)

Down cylinders 20 each having a lifting rod 21 are formed on one side of a panel frame 10 facing each other and a fixing plate 31 of an up-down panel 30 is coupled to an end of the lifting rod 21 The up-down panel 30 is moved upward or downward through the raising and lowering rails 50 and 60 of the one guide block 40 so that the sleeve 70 approaches or separates from the rotary roller 80, In the case where a printing machine is provided for performing rolling or joining,
A support bracket 100 having a bearing insertion tube 110 is attached to a support plate 32 of one up-down panel of the up-down panel 30. A support bearing 120 is coupled to the bearing insertion tube 110 And the steel shaft 71 of the sleeve 70 is formed to be engaged while being held in a state of being engaged at all times and the support plate 32 of the upside down panel of the up-down panel 30 is provided with a grip- And the grip 70 is gripped or unlocked while gripping or releasing the outer housing of the bearing rotating body 300 so that the sleeve 70 can be rotated in the horizontal direction with respect to the support bearing 120 when the gripping type holder 200 is gripped And when the gripper holder 200 is loosened, the bearing rotator 300 rotates the rubber roller 72 of the sleeve 70 while forming a cantilever-shaped free end with respect to the support bearing 120, While the steel shaft 71 is disengaged The holder 200 is formed such that the hemispherical hooks 210 are disposed symmetrically with respect to each other. The hook 210 is disposed on one side of the clamping holder 200 And a hinge shaft 220 and a movable pin 230 are formed on the other side of the support plate 32. The hinge shaft 220 is fixed to one side of the support plate 32, When the interlocking rod 510 of the lifting cylinder 500 is pulled up and down and the movable pin 230 moves in the longitudinal stroke section of the punching slot 410, The hooks 210 of the hooks 210 are urged against the shaft 220 and the hooks 210 are detached and attached to the outer housing 300 of the bearing rotating body 300 while encouraging engagement and disengagement. The rubber of the sleeve through the clamp of the opening and closing structure Easy to change rollers. The clamping device of claim 1, wherein the clamping holder (200) is provided with a pressure regulator (240) on a line of the hook (210) so that horizontal fine adjustment and precise centering of the sleeve (70) Easy to replace rubber rollers of sleeves through clamps with open / closed structure. The buckle holder (200) according to claim 1, wherein the buffer band (250) is coupled to the periphery of the hook (210) So that the rubber roller of the sleeve can be easily replaced through the clamp of the clamp type open / close structure.

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