CN216836326U

CN216836326U - Paper rolling device for printing machine

Info

Publication number: CN216836326U
Application number: CN202220481432.9U
Authority: CN
Inventors: 王辉; 黄贤页
Original assignee: Hunan Urban Professional College
Current assignee: Hunan Urban Professional College
Priority date: 2022-02-27
Filing date: 2022-02-27
Publication date: 2022-06-28
Anticipated expiration: 2032-02-27

Abstract

The utility model discloses a paper rolling device for a printing machine, relating to the technical field of printing equipment; comprises a base, a fixing component, a tensioning component and a positioning component; the fixing assembly comprises primary supporting rods which are symmetrically arranged, an installation rod is transversely arranged at the free end of each primary supporting rod, a supporting disk is arranged at the free end of each installation rod, a plurality of groups of track grooves along the radius of the supporting disk are formed in the supporting disk, sliding blocks are embedded in the track grooves, supporting rods are arranged on the surfaces of the sliding blocks, and rollers are arranged on the surfaces of the supporting rods; the one end that the slider is close to the installation pole rotates and is connected with the connecting rod, and the cover has the locking structure on the bracing piece, and the locking structure is connected to the connecting rod. This device has used the fixed knot that can carry out the regulation according to the internal diameter of stock form to construct for the installation stock form, convenient operation, the change mode is simple, and application range is wide and the installation is firm, avoids appearing jumping the scheduling problem.

Description

Paper rolling device for printing machine

Technical Field

The utility model relates to a lithography apparatus technical field specifically is a stock form device for printing machine.

Background

A rotary press is a press in which the image to be printed is bent around a cylinder. Printing can be performed on a variety of substrates, including paper, paperboard, and plastic. The substrate may be fed in a single sheet or may be unwound from a continuous roll by a printing press for printing and further modifications such as die cutting, finishing, embossing if desired. Printers that use continuous rollers are sometimes referred to as "web presses". The web offset press is popular with many printing enterprises due to its high efficiency, strong professional adaptability for printing books and newspapers and good economic benefits.

The web-fed printing press needs to use a roll paper wound into a roll shape, continuously feed the roll paper into the printing press, and simultaneously take up the roll paper after printing by the other end, so that the printing press needs to use a device for mounting the roll paper, so that the roll paper is firmly fixed and can be continuously conveyed into the printing press through rotation. However, the general paper winding device can only mount the roll paper with a fixed inner diameter, and has the problem of inconvenient use when replacing the roll paper with different inner diameters.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stock form device for printing machine to solve the problem that proposes among the above-mentioned background art. The utility model provides a can install fast and the stock form device of the stock form of the various different diameters of adaptation, and this device can install firmly, avoids appearing becoming flexible in the operation process, makes the stock form remain stable, avoids the equipment reason to influence the work of form advancing of stock form.

In order to achieve the above object, the utility model provides a following technical scheme:

a paper rolling device for a printing machine comprises a base, a fixing component, a tensioning component and a positioning component; the fixing assembly comprises symmetrically installed primary supporting rods, an installation rod is transversely installed at the free end of each primary supporting rod, a supporting disk is installed at the free end of each installation rod, a plurality of groups of track grooves along the radius of the supporting disk are formed in the supporting disk, sliding blocks are embedded and installed in the track grooves, supporting rods are installed on the surfaces of the sliding blocks, and rollers are installed on the surfaces of the supporting rods; the one end that the slider is close to the installation pole rotates and is connected with the connecting rod, the cover has the locking structure on the bracing piece, the locking structure is connected to the connecting rod.

As a further aspect of the present invention: the first-stage supporting rods are symmetrically arranged on the base, and the mounting rods point to the first-stage supporting rods on the other side.

As a further aspect of the present invention: the locking structure includes sliding sleeve and taper sleeve, the sliding sleeve slides and cup joints on the installation pole, the connecting rod is connected to the sliding sleeve, the outside awl section of thick bamboo that is the toper flank of thread is installed to sliding sleeve one end, awl section of thick bamboo surface is opened there are the multiunit and is adjusted the seam, the taper sleeve overlaps on a awl section of thick bamboo, the internal surface of taper sleeve is the conical surface with awl section of thick bamboo surface mesh.

As a further aspect of the present invention: and a tension spring is sleeved on the mounting rod, and two ends of the tension spring are respectively connected with the supporting disk and the sliding sleeve.

As a further aspect of the present invention: and the base is sequentially provided with a tensioning assembly and a positioning assembly along the fixing assembly.

As a further aspect of the present invention: the tensioning assembly comprises two-stage supporting rods symmetrically arranged on the base, a pressure spring is sleeved on each two-stage supporting rod, a sliding sleeve is sleeved on each two-stage supporting rod at the free end of the pressure spring, and a tensioning shaft is rotatably arranged between the sliding sleeves.

As a further aspect of the present invention: the positioning assembly comprises three-level supporting rods symmetrically arranged on the base, and positioning shafts are rotatably arranged between the three-level supporting rods.

Compared with the prior art, the beneficial effects of the utility model are that:

by adopting the paper rolling device for the printing machine, the device uses a fixing component capable of being adjusted in a large range, the distance between the sliding blocks on the supporting disk and the circle center can be changed by utilizing the connecting rod through moving the locking structure on the mounting rod, and the sliding blocks of each group can be equidistant during operation, so that the circular distribution can be kept to move;

adopt above-mentioned stock form device for printing machine, this device simple structure, convenient operation, and have very big control range, the stock form of being convenient for to change different internal diameters uses, has alleviateed the work load of changing the stock form, has enlarged the scope of the stock form that can install simultaneously.

Drawings

Fig. 1 is a schematic view of a paper winding device for a printing press.

Fig. 2 is a partial schematic view of a fixing unit in the paper winding device for the printer.

Fig. 3 is a schematic structural view of a locking structure in a paper winding device for a printing machine.

In the figure: 1. a positioning assembly; 2. positioning the shaft; 3. a sliding sleeve; 4. a pressure spring; 5. tensioning the shaft; 6. a tension assembly; 7. a support disc; 8. a slider; 9. a drum; 10. a track groove; 11. a fixing assembly; 12. a primary strut; 13. a secondary strut; 14. a base; 15. a tertiary strut; 16. mounting a rod; 17. a taper sleeve; 18. a conical cylinder; 19. a sliding sleeve; 20. a connecting rod; 21. a support bar; 22. a locking structure; 23. adjusting the seam; 24. a tension spring.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1 to 3, in embodiment 1 of the present invention, a paper reeling device for a printing machine includes a base 14, a fixing component 11, a tensioning component 6, and a positioning component 1; the fixing assembly 11 comprises primary supporting rods 12 which are symmetrically arranged, an installation rod 16 is transversely arranged at the free end of each primary supporting rod 12, a supporting disk 7 is arranged at the free end of each installation rod 16, a plurality of groups of track grooves 10 along the radius of the supporting disk 7 are formed in each supporting disk 7, a sliding block 8 is embedded and arranged in each track groove 10, a supporting rod 21 is arranged on the surface of each sliding block 8, and a roller 9 is arranged on the surface of each supporting rod 21; one end of the sliding block 8 close to the mounting rod 16 is rotatably connected with a connecting rod 20, a locking structure 22 is sleeved on the supporting rod 21, and the connecting rod 20 is connected with the locking structure 22.

The device uses a supporting disk 7, a plurality of groups of radial track grooves 10 are formed in the surface of the supporting disk 7, sliding blocks 8 are embedded in the track grooves 10, and the surfaces of the sliding blocks 8 are provided with rollers 9 sleeved on supporting rods 21. The slider 8 is controlled by a connecting rod 20 at the back, and the connecting rod 20 is connected with a locking structure 22 installed on the installation rod 16, when the locking structure 22 is far away from the supporting disk 7, the slider 8 is enabled to be close to the center of the supporting disk 7, and when the locking structure 22 is close to the supporting disk 7, the slider 8 is enabled to move to the outer side of the supporting disk 7.

Example 2

Referring to fig. 1 to fig. 3, the main difference between the embodiment 2 and the embodiment 1 is:

referring to fig. 1, in embodiment 2 of the present invention, the primary support rods 12 are symmetrically installed on the base 14, and the installation rod 16 points to the primary support rod 12 on the other side. The primary supporting rod 12 completes the fixed installation of the fixing component 11, and the two supporting disks 7 are oppositely installed to fix and support the roll paper from two sides.

Referring to fig. 3, the locking structure 22 includes a sliding sleeve 19 and a taper sleeve 17, the sliding sleeve 19 is slidably sleeved on the mounting rod 16, the sliding sleeve 19 is connected to the connecting rod 20, a taper cylinder 18 with a tapered thread surface outside is mounted at one end of the sliding sleeve 19, a plurality of groups of adjusting slits 23 are opened on the surface of the taper cylinder 18, the taper sleeve 17 is sleeved on the taper cylinder 18, and the inner surface of the taper sleeve 17 is a tapered surface engaged with the outer surface of the taper cylinder 18. The sliding sleeve 19 and the taper sleeve 17 of the locking mechanism are connected with each other, and when the taper sleeve 17 rotates relative to the taper sleeve 18, the inner diameter of the taper sleeve 18 can be reduced, and the taper sleeve is tightly hooped on the mounting rod 16 to form effective fixation.

Referring to fig. 2, a tension spring 24 is sleeved on the mounting rod 16, and two ends of the tension spring 24 are respectively connected with the support plate 7 and the sliding sleeve 19. Tension spring 24 makes locking structure 22 have the tendency of being close to the backup pad all the time, even the excircle that cylinder 9 formed is as big as possible, outwards draws locking structure 22 during the use, and the automatic resilience of back locking structure 22 is sheathe in to the stock form props open cylinder 9 with stock form pressure contact, and direct locking structure 22 can be fixed again.

Referring to fig. 1, the base 14 is sequentially provided with the tensioning assembly 6 and the positioning assembly 1 along the fixing assembly 11. After the roll paper extending from the fixing assembly 11 is tensioned by the tensioning assembly 6, the height and angle of the roll paper are adjusted by the positioning assembly 1, so that the paper feeding angle to the printing machine is stable.

Referring to fig. 1, the tensioning assembly 6 includes two-stage supporting rods 13 symmetrically installed on a base 14, a pressure spring 4 is sleeved on the two-stage supporting rod 13, a free end of the pressure spring 4 is connected and sleeved on a sliding sleeve 3 on the two-stage supporting rod 13, and a tensioning shaft 5 is rotatably installed between the sliding sleeves 3. The sliding sleeve 19 can slide on the secondary strut 13 and can be tensioned under the action of the pressure bomb after the paper passes by the tensioning shaft 5.

Referring to fig. 1, the positioning assembly 1 includes three-stage supporting rods 15 symmetrically installed on a base 14, and a positioning shaft 2 is rotatably installed between the three-stage supporting rods 15. The three-level supporting rod 15 is matched with the positioning shaft 2, so that the position and the angle of the roll paper output by the device are fixed, and the stable state of the output roll paper under different conditions is ensured.

The utility model discloses a theory of operation is:

the device uses symmetrically-installed fixed assemblies 11, the two fixed assemblies 11 respectively comprise an installation rod 16 and a supporting disk 7 installed on the installation rod 16, a plurality of groups of radial track grooves 10 are formed in the supporting disk 7, an inner sliding block 8 can move along the track grooves 10, and meanwhile, a roller 9 is installed on the surface of the sliding block 8 in a rotating mode. The sliding block 8 is dragged by a locking structure 22 at the back, the locking structure 22 moves on the mounting rod 16, and the sliding block 8 is controlled to move close to or away from the center of the supporting disc 7 through the connecting rod 20. This device can be very convenient control self shape, and the installation that is fit for the stock form of various different internal diameters is fixed, and the installation effect is firm, and stable in structure can avoid the not hard up or stock form problem such as beating of structure at the high-speed pivoted in-process of follow-up stock form, and the installation operation is very simple high-efficient, saves time.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A paper rolling device for a printing machine comprises a base, a fixing component, a tensioning component and a positioning component; the fixing component is characterized by comprising symmetrically-installed primary supporting rods, wherein installation rods are transversely installed at the free ends of the primary supporting rods, a supporting disc is installed at the free ends of the installation rods, a plurality of groups of track grooves along the radius of the supporting disc are formed in the supporting disc, sliding blocks are embedded in the track grooves, supporting rods are installed on the surfaces of the sliding blocks, and rollers are installed on the surfaces of the supporting rods; the one end that the slider is close to the installation pole rotates and is connected with the connecting rod, the cover has the locking structure on the bracing piece, the locking structure is connected to the connecting rod.

2. The paper winding device for the printing machine as claimed in claim 1, wherein the primary support rods are symmetrically mounted on the base, and the mounting rods point to the primary support rods on the other side.

3. The paper rolling device for the printing machine as claimed in claim 1, wherein the locking structure comprises a sliding sleeve and a taper sleeve, the sliding sleeve is slidably sleeved on the mounting rod, the sliding sleeve is connected with the connecting rod, a taper cylinder with a tapered thread surface outside is mounted at one end of the sliding sleeve, a plurality of groups of adjusting seams are formed on the surface of the taper cylinder, the taper sleeve is sleeved on the taper cylinder, and the inner surface of the taper sleeve is a tapered surface engaged with the outer surface of the taper cylinder.

4. The paper winding device for the printing machine as claimed in claim 1 or 3, wherein a tension spring is sleeved on the mounting rod, and two ends of the tension spring are respectively connected with the supporting disk and the sliding sleeve.

5. The paper winder for printing machine according to claim 1, wherein a tension member and a positioning member are mounted on said base in this order along the fixing member.

6. The paper winding device for the printing machine as claimed in claim 1 or 5, wherein the tension assembly comprises two-stage supporting rods symmetrically mounted on the base, the two-stage supporting rods are sleeved with pressure springs, free end connecting sleeves of the pressure springs are sleeved on the two-stage supporting rods, and tension shafts are rotatably mounted between the sliding sleeves.

7. The paper reeling device for the printing machine according to claim 1 or 5, wherein the positioning component comprises three-stage supporting rods symmetrically arranged on the base, and a positioning shaft is rotatably arranged between the three-stage supporting rods.