CN210795195U

CN210795195U - Paper changing device of color press

Info

Publication number: CN210795195U
Application number: CN201921440195.6U
Authority: CN
Inventors: 李明明
Original assignee: Xinmeida Tianjin Printing Co ltd
Current assignee: Xinmeida Tianjin Printing Co ltd
Priority date: 2019-08-30
Filing date: 2019-08-30
Publication date: 2020-06-19
Anticipated expiration: 2029-08-30

Abstract

The utility model discloses a color press trades paper device, including a bottom plate and four fixed horizontal poles, the middle part of bottom plate top both sides is all fixed and is equipped with the lift post, and the lift post includes lift shell and pneumatic cylinder, the bottom of pneumatic cylinder and the top fixed connection of bottom plate, and the surface at the pneumatic cylinder is established to lift shell slip cap, the top of pneumatic cylinder piston rod and the top fixed connection of lift shell inner chamber. The utility model discloses all can fix the scroll on four fixed horizontal poles, when a roll of paper has used up or need change the paper, can drive fixed disc through shaking the crank and rotate, roll up another stock form and remove suitable position, just at this moment can continue to print the operation to can change the paper reel on the fixed horizontal pole that the scroll was used up when printing, this kind of paper changing device can reduce the downtime of machine when changing paper, and then can effectual improvement print efficiency.

Description

Paper changing device of color press

Technical Field

The utility model relates to a color press field specifically is a color press trades paper device.

Background

Color printers are machines that print text and images. Modern color printers generally comprise mechanisms for plate mounting, inking, stamping, paper feeding and the like. The invention and the development of the color printer play an important role in the propagation of human civilization and culture.

At present, the paper placing mechanism of the existing large-scale color press can only place one roll of paper, so that the whole machine needs to be stopped for a long time after the paper roll is used up or when the paper needs to be replaced, and the printing efficiency can be influenced. Therefore, we improve the above and provide a paper changing device for color press.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a color press paper changing device, which comprises a bottom plate and four fixed cross rods, wherein the middle parts of two sides of the top of the bottom plate are fixedly provided with lifting columns, each lifting column comprises a lifting shell and a hydraulic cylinder, the bottom end of the hydraulic cylinder is fixedly connected with the top end of the bottom plate, the lifting shell is sleeved on the outer surface of the hydraulic cylinder in a sliding way, the top end of a piston rod of the hydraulic cylinder is fixedly connected with the top end of an inner cavity of the lifting shell, the top part of one opposite side of the lifting shell is rotatably inserted with a first rotating shaft, one opposite end of the first rotating shaft is fixedly provided with a fixed disc, the four fixed cross rods are positioned between the two fixed discs and are arranged at equal intervals in an equal arc, one opposite sides of the two fixed discs are respectively inserted with four hexagon socket head bolts in a threaded way, the end parts of the eight hexagon socket head bolts all penetrate, one of them the fixed adjustment mechanism that is equipped with in top of lift shell one side, adjustment mechanism includes protective housing, worm wheel, second rotation axis and worm, the protective housing is connected with the fixed surface of lift shell, one of them the tip of first rotation axis runs through the lift shell and extends to the inside of protective housing, the worm wheel is located the inside of protective housing and fixed cover establishes the tip at first rotation axis, the rotatory middle part of pegging graft at protective housing one side of second rotation axis, the fixed cover of worm is established at the surface of second rotation axis, just the worm is connected with the worm wheel meshing, the lateral wall and the fixedly connected with crank of protective housing are run through to the one end of worm.

As a preferred technical scheme of the utility model, the both sides of pneumatic cylinder are all fixed and are equipped with the rectangle slider, the rectangle spout, two have all been seted up to the both sides of lift shell inner chamber the rectangle slider sets up, and two with two rectangle spout phase-matches the rectangle slider is sliding connection respectively in the inside of two rectangle spouts.

As an optimal technical scheme of the utility model, one of them fixed hydraulic tank and the hydraulic oil pump of being equipped with respectively on the bottom plate of lift shell both sides, two the same three-way pipe of the equal fixedly connected with of oil inlet of pneumatic cylinder, two the same three-way pipe of the same also equal fixedly connected with of oil-out of pneumatic cylinder, two the three-way pipe communicates with two valve ports of same switching-over valve, the oil inlet and the oil-out of switching-over valve are in the oil-out of hydraulic oil pump and the oil inlet intercommunication of hydraulic oil tank respectively, the oil inlet of hydraulic oil pump passes through the pipeline and the oil-out intercommunication of hydraulic oil tank, one of them one side of lift shell is inlayed and is equipped with hydraulic switch, hydraulic oil pump passes.

As a preferred technical scheme of the utility model, the bottom mounting of bottom plate is equipped with four gyro wheels, four the gyro wheel is located four edges of bottom plate bottom respectively, and four the gyro wheel is the service brake universal wheel.

As an optimal technical scheme of the utility model, two the swivelling joint department of first rotation axis and two lift shells and the swivelling joint department of second rotation axis and protective housing are all fixed and are equipped with antifriction bearing, four antifriction bearing's inner circle is respectively in the both ends fixed connection on the one end on two first rotation axis surfaces and second rotation axis surfaces.

As an optimized technical scheme of the utility model, the surface cover of crank is equipped with the protective layer, the protective layer adopts the sweat-absorbing bubble cotton to make.

The utility model has the advantages that: this kind of colour press trades paper device, through set up four fixed horizontal poles between two fixed discs, all can fix the scroll on four fixed horizontal poles, when a roll paper has used up or need to change the paper like this, can drive fixed disc through shaking the crank and rotate, move suitable position with another relative stock form book, just at this moment can continue to print the operation, and can change the paper reel on the fixed horizontal pole that the scroll used up when printing, compare with traditional paper device of trading, this kind of paper device of trading can reduce the outage time of paper machine when trading, and then can effectual improvement printing efficiency, and the device both can place same kind of scroll on four fixed horizontal poles and also can place four kinds of different scrolls on four fixed horizontal poles, the suitability is stronger.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of a paper changing device of a color press according to the present invention;

fig. 2 is a schematic view of the internal structure of the protective casing of the paper changing device of the color press according to the present invention;

FIG. 3 is a schematic view of the internal structure of the lifting housing of the paper changing device of the color press according to the present invention;

FIG. 4 is a schematic view of a cross-sectional structure of a hexagon socket head cap screw of a paper changing device of a color press according to the present invention;

fig. 5 is a schematic cross-sectional structure view of a fixed cross bar of a paper changing device of a color press according to the present invention.

In the figure: 1. a base plate; 2. fixing the cross bar; 3. lifting the housing; 4. a hydraulic cylinder; 401. a rectangular slider; 5. a first rotating shaft; 6. fixing the disc; 7. a hexagon socket head cap screw; 8. a protective shell; 9. a worm gear; 10. a second rotation shaft; 11. a worm; 12. a crank; 13. a hydraulic oil tank; 14. a hydraulic oil pump; 15. and a roller.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the utility model relates to a color press trades paper device, including a bottom plate 1 and four fixed horizontal poles 2, the middle part of 1 top both sides of bottom plate is all fixed and is equipped with the lift post, the lift post includes lift shell 3 and pneumatic cylinder 4, the bottom of pneumatic cylinder 4 and the top fixed connection of bottom plate 1, the surface at pneumatic cylinder 4 is established to lift shell 3 slip cap, the top of pneumatic cylinder 4 piston rod and the top fixed connection of 3 inner chambers of lift shell, the equal rotatory grafting in top of two relative one sides of lift shell 3 has first rotation axis 5, the relative one end of two first rotation axes 5 is all fixed and is equipped with fixed disc 6, four fixed horizontal poles 2 all are located between two fixed discs 6 and the equidistant setting of equal arc, the equal screw thread grafting in one side of carrying on the back of the body of two fixed discs 6 has four hexagon socket head cap screw 7, eight hexagon head cap screw 7 all run through fixed disc 6 Line connection, the fixed adjustment mechanism that is equipped with in top of one of them lift shell 3 one side, adjustment mechanism includes protective housing 8, worm wheel 9, second rotation axis 10 and worm 11, protective housing 8 is connected with the fixed surface of lift shell 3, the inside of lift shell 3 and extension to protective housing 8 is run through to the tip of one of them first rotation axis 5, worm wheel 9 is located the inside of protective housing 8 and fixes the cover and establish the tip at first rotation axis 5, the rotatory middle part of pegging graft at protective housing 8 avris of second rotation axis 10, the fixed cover of worm 11 is established at the surface of second rotation axis 10, and worm 11 is connected with worm wheel 9 meshing, the lateral wall and the fixedly connected with crank 12 of protective housing 8 are run through to the one end of worm 11.

Wherein, the both sides of pneumatic cylinder 4 are all fixed and are equipped with rectangle slider 401, the rectangle spout has all been seted up to the both sides of 3 inner chambers of lift shell, two rectangle sliders 401 and two rectangle spout phase-matchs set up, and two rectangle sliders 401 are sliding connection respectively in the inside of two rectangle spouts, the rectangle spout cooperatees with rectangle slider 401 and can carry out effectual spacing between lift shell 3 and the pneumatic cylinder 4, avoid producing between lift shell 3 and the pneumatic cylinder 4 and rock, guarantee that the lift post can steadily effectually work.

Wherein, the bottom plates 1 on two sides of one of the lifting shell 3 are respectively fixedly provided with a hydraulic oil tank 13 and a hydraulic oil pump 14, the oil inlets of the two hydraulic cylinders 4 are both fixedly connected with a same three-way pipe, the oil outlets of the two hydraulic cylinders 4 are also both fixedly connected with a same three-way pipe, the two three-way pipes are communicated with two valve ports of a same reversing valve, the oil inlet and the oil outlet of the reversing valve are respectively communicated with the oil outlet of the hydraulic oil pump 14 and the oil inlet of the hydraulic oil tank 13, the oil inlet of the hydraulic oil pump 14 is communicated with the oil outlet of the, one side of one of the lifting shells 3 is embedded with a hydraulic switch, the hydraulic oil pump 14 is electrically connected with an external power supply through the hydraulic switch, the working process of the hydraulic system is stable, meanwhile, the lifting device has stronger pressure, can stably control the lifting of the two lifting shells 3, and further can ensure that the whole device stably works.

Wherein, the bottom mounting of bottom plate 1 is equipped with four gyro wheels 15, and four gyro wheels 15 are located four edges of bottom plate 1 bottom respectively, and four gyro wheels 15 are the service brake universal wheel, set up gyro wheel 15 and both can be convenient for remove whole device, are convenient for carry out effectual fixed to whole device simultaneously again.

Wherein, the swivelling joint department of two first rotation axes 5 and two lift shells 3 and the swivelling joint department of second rotation axis 10 and protective housing 8 all fixedly are equipped with antifriction bearing, four antifriction bearing's inner circle respectively in the both ends fixed connection on the one end on two first rotation axis 5 surfaces and second rotation axis 10 surfaces, can effectually reduce the frictional force between first rotation axis 5 and the lift shell 3 and between second rotation axis 10 and the protective housing 8 through being equipped with roller bearing, the operating personnel of being convenient for adjusts four fixed horizontal poles 2's position through rotatory crank 12.

Wherein, the surface cover of crank 12 is equipped with the protective layer, and the protective layer adopts sweat-absorbing bubble cotton to make, and the cotton assurance comfort level that can increase crank 12 of sweat-absorbing bubble, and then can let the more comfortable use crank 12 of operating personnel.

When the device works, firstly, eight hexagon socket head cap bolts 7 at two ends of four fixed cross bars 2 are unscrewed, the four fixed cross bars 2 are respectively inserted into winding drums of four paper rolls after being taken out, then the four fixed cross bars 2 and the paper rolls are placed between two fixed discs 6, the four fixed cross bars 2 are fixed by the eight hexagon socket head cap bolts 7, then the device is moved to a proper position by four rollers 15, a foot brake on the four rollers 15 is stepped down to fix the whole device, then an external power supply is switched on, hydraulic oil is added into a hydraulic oil tank 13, then a hydraulic oil pump 14 is controlled by a hydraulic switch to work to pump out and convey the hydraulic oil in the hydraulic oil tank 13 to the interior of a reversing valve, the hydraulic oil pump 14 is preferably a PVH141 QIC-13S-10-C25V-31 type hydraulic pump, and enters oil inlets of two hydraulic cylinders 4 through a three-way pipe by controlling the reversing valve, the hydraulic cylinders 4 are preferably TN16-20 type hydraulic cylinders, the reversing valves are preferably DSG-01-2B2 type reversing valves, piston rods of the two hydraulic cylinders 4 start to lift out and drive the two lifting shells 3 to move upwards, when the height of the fixed cross bar 2 is parallel to a printing platform of the color press, the two hydraulic cylinders 4 are controlled to stop working through the reversing valves, then the end part of a paper roll on one fixed cross bar 2 is connected inside the color press to start printing, when the paper on the paper roll is used up, the color press is stopped firstly, the second rotating shaft 10 can be driven to rotate through the rotating crank 12, the worm 11 is further driven to control the worm wheel 9 to rotate, so that the two fixed disks 6 can be rotated, and after the other fixed cross bar 2 is rotated to the position of the last fixed cross bar 2, the end connection of scroll just can continue to print in the inside of colour press on with another fixed horizontal pole 2, at this moment can take off the fixed horizontal pole 2 that the paper used up and adorn new scroll can, compare with traditional paper device that trades, this kind trades the paper device and can reduce the time of stopping of machine when trading the paper, and then can effectual improvement print efficiency, and the device both can place same kind of scroll on four fixed horizontal poles 2 and also can place four kinds of different scrolls on four fixed horizontal poles 2, and the suitability is stronger.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A paper changing device of a color press comprises a bottom plate (1) and four fixed cross rods (2), and is characterized in that lifting columns are fixedly arranged in the middle of two sides of the top of the bottom plate (1), each lifting column comprises a lifting shell (3) and a hydraulic cylinder (4), the bottom end of each hydraulic cylinder (4) is fixedly connected with the top end of the bottom plate (1), each lifting shell (3) is sleeved on the outer surface of each hydraulic cylinder (4) in a sliding mode, the top end of a piston rod of each hydraulic cylinder (4) is fixedly connected with the top end of an inner cavity of each lifting shell (3), first rotating shafts (5) are rotatably inserted into the tops of the two opposite sides of each lifting shell (3), fixed discs (6) are fixedly arranged at opposite ends of the two first rotating shafts (5), and the four fixed cross rods (2) are positioned between the two fixed discs (6) and arranged at equal intervals in an arc mode, four hexagon socket head cap bolts (7) are inserted in the opposite sides of the two fixed disks (6) in a threaded manner, the end parts of the eight hexagon socket head cap bolts (7) penetrate through the fixed disks (6) and are respectively in threaded connection with the two ends of the four fixed cross rods (2), an adjusting mechanism is fixedly arranged at the top end of one side of the lifting shell (3), the adjusting mechanism comprises a protective shell (8), a worm wheel (9), a second rotating shaft (10) and a worm (11), the protective shell (8) is fixedly connected with the surface of the lifting shell (3), the end part of one first rotating shaft (5) penetrates through the lifting shell (3) and extends to the inside of the protective shell (8), the worm wheel (9) is positioned in the protective shell (8) and fixedly sleeved at the end part of the first rotating shaft (5), and the second rotating shaft (10) is inserted in the middle of one side of the protective shell (8) in a rotating manner, the outer surface at second rotation axis (10) is established to worm (11) fixed cover, just worm (11) are connected with worm wheel (9) meshing, the lateral wall and the fixedly connected with crank (12) of protective housing (8) are run through to the one end of worm (11).

2. The color press paper changing device according to claim 1, wherein rectangular sliding blocks (401) are fixedly arranged on both sides of the hydraulic cylinder (4), rectangular sliding grooves are formed on both sides of an inner cavity of the lifting housing (3), the two rectangular sliding blocks (401) are matched with the two rectangular sliding grooves, and the two rectangular sliding blocks (401) are respectively connected inside the two rectangular sliding grooves in a sliding manner.

3. The color press paper changing device according to claim 1, wherein a hydraulic oil tank (13) and a hydraulic oil pump (14) are respectively and fixedly arranged on the bottom plate (1) at two sides of one of the lifting shells (3), oil inlets of the two hydraulic cylinders (4) are respectively and fixedly connected with a same three-way pipe, oil outlets of the two hydraulic cylinders (4) are respectively and fixedly connected with a same three-way pipe, the two three-way pipes are communicated with two valve ports of a same reversing valve, an oil inlet and an oil outlet of the reversing valve are respectively communicated with an oil outlet of a hydraulic oil pump (14) and an oil inlet of a hydraulic oil tank (13), an oil inlet of the hydraulic oil pump (14) is communicated with an oil outlet of the hydraulic oil tank (13) through a pipeline, one side of one of the lifting shell (3) is embedded with a hydraulic switch, and the hydraulic oil pump (14) is electrically connected with an external power supply through the hydraulic switch.

4. The color press paper changing device according to claim 1, wherein four rollers (15) are fixedly arranged at the bottom end of the bottom plate (1), the four rollers (15) are respectively positioned at four corners of the bottom end of the bottom plate (1), and the four rollers (15) are all foot brake universal wheels.

5. The device for changing the paper of the color press according to claim 1, wherein rolling bearings are fixedly arranged at the rotary joints of the two first rotating shafts (5) and the two lifting shells (3) and the rotary joints of the second rotating shaft (10) and the protective shell (8), and the inner rings of the four rolling bearings are fixedly connected with one ends of the surfaces of the two first rotating shafts (5) and two ends of the surface of the second rotating shaft (10) respectively.

6. The color press paper changing device as claimed in claim 1, wherein a protective layer is sleeved on the surface of the crank (12), and the protective layer is made of sweat-absorbent foam.