CN216785151U

CN216785151U - Transmission mechanism for single-sheet flat printing device

Info

Publication number: CN216785151U
Application number: CN202220438381.1U
Authority: CN
Inventors: 周千雄
Original assignee: Hubei South Hubei Xinhua Printing And Packaging Co ltd
Current assignee: Hubei South Hubei Xinhua Printing And Packaging Co ltd
Priority date: 2022-03-02
Filing date: 2022-03-02
Publication date: 2022-06-21
Anticipated expiration: 2032-03-02

Abstract

The utility model discloses a transmission mechanism for a single-sheet lithography device, which comprises an installation platform, wherein a placing plate is arranged on one side of one end of the installation platform, supports are respectively fixed on the top end and the bottom end of one side of the installation platform, and installation seats are fixed on the top and the bottom of one side of the installation platform. This a drive mechanism for sola lithography apparatus uses passes through paper drive mechanism at the in-process that uses, when placing the printing paper buttress, can utilize the slider to slide left in the inside of slide through utilizing two sets of bottom plates, push away the bottom plate to place the top of placing the board through placing the paper buttress again behind the left side, later through loosening the bottom plate, it can kick-back and push back slider and bottom plate to the one side of propping in the paper buttress to be provided with compression spring in slide inside, fix spacingly to the in-process that the paper buttress used, prevent that the paper from appearing the displacement and leading to the printing trouble, the problem of being not convenient for to carry out supplementary fixed positioning to the paper buttress has been solved.

Description

Transmission mechanism for single-sheet flat-bed printing device

Technical Field

The utility model relates to the technical field of printing machines, in particular to a transmission mechanism for a sheet-fed offset printing device.

Background

The printing machine is a machine capable of directly or indirectly transferring printed characters or images on paper or other printed materials, the printing machine needs to use a paper transmission mechanism in the process of transmitting the paper to the inside of the printing machine for printing when the paper is used for single-sheet planographic printing, but the existing transmission mechanisms used for single-sheet planographic printing devices still have some defects in the use process, for example, the transmission mechanisms are not convenient to limit the paper in the transmission process, and are also not convenient to assist in fixing and positioning paper stacks and also are not convenient to protect and prevent dust outside the transmission mechanisms.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a transmission mechanism for a sheet-fed lithography device, which solves the problem that the prior art is inconvenient to limit the paper in the conveying process.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a drive mechanism for sola lithographic device uses, includes the mount table, one side of mount table one end is provided with places the board, the top and the bottom of mount table one side are fixed with the support respectively, the top and the bottom of mount table one side are fixed with the mount pad, and the vertical compression roller subassembly that is provided with between the mount pad, the inside of mount table one end top and bottom transversely is provided with the spout respectively, the top and the bottom of mount table one end opposite side are provided with the limiting plate respectively, the opposite side of mount table one end is provided with the conveyer belt, the vertical sliding seat that is provided with of intermediate position department of mount table one end, and the top and the bottom of sliding seat rear end are provided with vacuum chuck respectively, the top and the bottom of mount table one end horizontal swing joint respectively have the threaded rod.

Preferably, the vertical swing joint in inside of mount table one side has the screw rod, the outside top and the bottom of screw rod are provided with the swivel nut respectively, one side on mount table top is fixed with servo motor, and servo motor's output shaft passes through the top fixed connection of shaft coupling and screw rod, the outside top and the bottom of screw rod are provided with opposite direction's external screw thread respectively, the inside of swivel nut is provided with the internal thread with external screw thread matched with.

Preferably, the rear end of the limiting plate penetrates through one end of the mounting table and is fixedly connected with one end of the threaded sleeve, and the limiting plates are symmetrically arranged relative to the horizontal center line of the mounting table.

Preferably, the top and the bottom of mount table one end one side and the one end of support transversely are provided with the slide respectively, the inside one side of slide transversely is fixed with compression spring, the top and the bottom of mount table one end one side are provided with the bottom plate respectively, the intermediate position department of bottom plate rear end is fixed with the slider, the slider inlays in the inside of slide, one side of slider and one side fixed connection of compression spring.

Preferably, one side of one end of the mounting platform is provided with an outer shield, and the top end and the bottom end of the rear end of the outer shield are respectively and transversely fixed with a sliding strip.

Preferably, the top and the bottom of mount table one end one side are provided with driving motor respectively, the threaded rod runs through the inside of sliding seat.

Preferably, the output shaft of the driving motor is fixedly connected with one side of the threaded rod through a coupler.

Compared with the prior art, the utility model has the beneficial effects that: the transmission mechanism used for the single-sheet lithography device not only realizes the convenience of limiting the paper in the transmission process, realizes the convenience of carrying out auxiliary fixing and positioning on the paper stack, but also realizes the convenience of protecting and preventing dust outside the transmission mechanism;

(1) the automatic paper feeding device is provided with the servo motor, the limiting plates, the threaded sleeves and the screw rods, and in the use process of the transmission mechanism, paper is transferred to a conveying belt from the vacuum chuck to be conveyed, the limiting plates are respectively arranged at the top and the bottom of the other side of one end of the mounting table, so that the top and the bottom of the paper can be limited in an auxiliary manner in the conveying process of the paper into the printing machine, the paper can be kept at the middle position to enter the interior of the printing machine in the conveying process, meanwhile, an output shaft can be started through the servo motor to drive the screw rods to rotate in the use process, the screw rods can simultaneously drive the threaded sleeves at the two outer sides to simultaneously move inwards or outwards, and simultaneously drive the two groups of limiting plates to simultaneously move inwards or outwards, and the limiting distance between the limiting plates can be adjusted conveniently;

(2) by arranging the support, the compression springs, the slide ways, the slide blocks and the bottom plates, when the paper transmission mechanism is used and a printing paper stack is placed, the two groups of bottom plates can slide leftwards in the slide ways by the aid of the slide blocks, the bottom plates are pushed to the left and then placed on the top of the placing plate, then the bottom plates are loosened, the compression springs are arranged in the slide ways and can rebound to push the slide blocks and the bottom plates to the side lower than the paper stack, the paper stack is fixed and limited in the use process, and printing faults caused by displacement of paper are prevented;

(3) through being provided with spout, outer shield and draw runner, paper drive mechanism is at the in-process that uses, can be through utilizing the inside that rear end top and bottom fixed draw runner correspond the spout with the outer shield to go into the back, be convenient for carry out the outer shield protection and dustproof to the inside motion subassembly of drive mechanism, and the outer shield is transparent acrylic material simultaneously, conveniently looks over the inside behavior of mechanism.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is an enlarged side view of a screw according to the present invention;

FIG. 3 is an enlarged partial cross-sectional view taken at A in FIG. 1 according to the present invention;

fig. 4 is an enlarged partial cross-sectional front view of the outer shield according to the present invention.

In the figure: 1. an installation table; 2. placing the plate; 3. a support; 4. a drive motor; 5. a mounting seat; 6. a compression roller assembly; 7. a chute; 8. a servo motor; 9. a conveyor belt; 10. a limiting plate; 11. a vacuum chuck; 12. a movable seat; 13. a threaded rod; 14. a threaded sleeve; 15. a screw; 16. a compression spring; 17. a slideway; 18. a slider; 19. a base plate; 20. an outer shroud; 21. a slide bar.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1: referring to fig. 1-4, a transmission mechanism for a single-sheet lithography device comprises an installation table 1, wherein a placing plate 2 is arranged on one side of one end of the installation table 1, supports 3 are respectively fixed on the top end and the bottom end of one side of the installation table 1, installation bases 5 are fixed on the top and the bottom of one side of the installation table 1, a compression roller assembly 6 is vertically arranged between the installation bases 5, sliding grooves 7 are respectively and transversely arranged in the top and the bottom of one end of the installation table 1, limiting plates 10 are respectively arranged on the top and the bottom of the other side of one end of the installation table 1, a conveyor belt 9 is arranged on the other side of one end of the installation table 1, a movable base 12 is vertically arranged in the middle position of one end of the installation table 1, vacuum chucks 11 are respectively arranged on the top and the bottom of the rear end of the movable base 12, and a threaded rod 13 is respectively and transversely movably connected with the top and the bottom of one end of the installation table 1;

a screw rod 15 is vertically and movably connected inside one side of the mounting table 1, thread sleeves 14 are respectively arranged at the top and the bottom of the outside of the screw rod 15, a servo motor 8 is fixed at one side of the top end of the mounting table 1, an output shaft of the servo motor 8 is fixedly connected with the top end of the screw rod 15 through a coupler, external threads in opposite directions are respectively arranged at the top end and the bottom end of the outside of the screw rod 15, internal threads matched with the external threads are arranged inside the thread sleeves 14, the rear end of the limiting plate 10 penetrates through one end of the mounting table 1 and is fixedly connected with one end of the thread sleeves 14, and the limiting plates 10 are symmetrically arranged about the horizontal central line of the mounting table 1;

specifically, as shown in fig. 1 and fig. 2, the in-process that drive mechanism is using, the paper is shifting to the in-process of carrying on conveying on conveyer belt 9 by vacuum chuck 11, be provided with limiting plate 10 respectively at mount table 1 one end opposite side top and bottom, can carry the in-process of carrying into the printing machine to the paper and carry out supplementary spacing to the top and the bottom of paper, be convenient for make the paper keep entering to the inside of printing machine in the intermediate position department at the in-process of carrying, can start output shaft drive screw 15 through servo motor 8 and rotate simultaneously in the use, screw 15 rotates can drive the swivel nut 14 of outside both sides threaded connection simultaneously to inside or outside removal and drive two sets of limiting plate 10 simultaneously inwards or outwards remove simultaneously, be convenient for adjust the spacing distance between the limiting plate 10.

Example 2: the top and the bottom of one side of one end of the mounting table 1 and one end of the support 3 are respectively and transversely provided with a slide way 17, one side inside the slide way 17 is transversely fixed with a compression spring 16, the top and the bottom of one side of one end of the mounting table 1 are respectively provided with a bottom plate 19, a slide block 18 is fixed at the middle position of the rear end of the bottom plate 19, the slide block 18 is embedded inside the slide way 17, and one side of the slide block 18 is fixedly connected with one side of the compression spring 16;

specifically, as shown in fig. 1 and 3, when the paper transmission mechanism is used and a printed paper stack is placed, two sets of bottom plates 19 slide leftwards inside the slide ways 17 by the aid of the sliding blocks 18, the bottom plates 19 are pushed to the left and then placed on the top of the placing plate 2, then the bottom plates 19 are loosened, the compression springs 16 arranged inside the slide ways 17 rebound and push the sliding blocks 18 and the bottom plates 19 back to the side lower than the paper stack, and the paper stack is fixed and limited in the use process, so that printing faults caused by displacement of paper are prevented.

Example 3: an outer shield 20 is arranged on one side of one end of the mounting table 1, and sliding strips 21 are transversely fixed at the top end and the bottom end of the rear end of the outer shield 20 respectively;

specifically, as shown in fig. 1 and 4, in the use process of the paper transmission mechanism, the outer shield 20 can be clamped into the sliding groove 7 by utilizing the sliding strip 21 fixed at the top and the bottom of the rear end to correspond to the inside of the sliding groove 7, so that the motion assembly inside the transmission mechanism can be protected by the outer shield and can be prevented from dust, and meanwhile, the outer shield 20 is made of transparent acrylic materials and can be checked conveniently in the internal operation condition of the mechanism.

The top and the bottom of one end side of the mounting table 1 are respectively provided with a driving motor 4, a threaded rod 13 penetrates through the inside of the movable seat 12, and an output shaft of the driving motor 4 is fixedly connected with one side of the threaded rod 13 through a coupler.

The working principle is as follows: when the paper sheet conveying mechanism is used, when a printing paper stack is placed, two groups of bottom plates 19 slide leftwards in a slide way 17 by using sliding blocks 18, the bottom plates 19 are pushed to the left side and then placed on the top of a placing plate 2 by using the paper stack, then the bottom plates 19 are loosened, compression springs 16 are arranged in the slide way 17 and can rebound, the sliding blocks 18 and the bottom plates 19 are pushed to the lower side of the paper stack, the paper stack is fixed and limited in the using process, printing faults caused by displacement of paper sheets are prevented, after the paper stack is placed at the top end of the placing plate 2, a compression roller assembly 6 is pressed on one side of the paper stack, a driving motor 4 is started to drive a threaded rod 13 to rotate, the threaded rod 13 rotates to drive a movable seat 12 in threaded connection with the threaded rod and a vacuum suction cup 11 at the bottom end of the movable seat 12 to move to one side of the compression roller assembly 6, and the vacuum cup 11 is used for sucking and transferring the paper sheets to rotate The paper is transferred to the conveyor belt 9 and then conveyed to the inside of the printing machine by the conveyor belt 9 for printing, meanwhile, in the using process of the transmission mechanism, in the conveying process of the paper transferred to the conveyor belt 9 by the vacuum chuck 11, the top and the bottom of the other side of one end of the mounting table 1 are respectively provided with a limiting plate 10 which can assist in limiting the top and the bottom of the paper in the conveying process of the paper into the printing machine, so that the paper can be kept at the middle position in the conveying process and enters the inside of the printing machine, meanwhile, in the using process, the output shaft can be started by the servo motor 8 to drive the screw rod 15 to rotate, the screw sleeve 14 which is in threaded connection with the two outer sides can be simultaneously driven to simultaneously move inwards or outwards, and simultaneously two groups of limiting plates 10 can be simultaneously driven to simultaneously move inwards or outwards, so that the limiting distance between the limiting plates 10 can be conveniently adjusted, paper drive mechanism is at the in-process that uses, can go into the back through utilizing outer shield 20 rear end top and the inside that fixed draw runner 21 in bottom corresponds spout 7 to go into, be convenient for carry out the outer shield protection and dustproof to the inside motion subassembly of drive mechanism, and outer shield 20 is transparent ya keli material simultaneously, conveniently looks over the inside behavior of mechanism.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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 transmission mechanism for use in a sheet-fed lithographic apparatus, comprising a mounting table (1), characterized in that: a placing plate (2) is arranged on one side of one end of the mounting table (1), a support (3) is respectively fixed on the top end and the bottom end of one side of the mounting table (1), the top and the bottom of one side of the mounting table (1) are fixed with mounting seats (5), a pressing roller assembly (6) is vertically arranged between the installation seats (5), sliding chutes (7) are respectively and transversely arranged inside the top and the bottom of one end of the installation platform (1), the top and the bottom of the other side of one end of the mounting table (1) are respectively provided with a limit plate (10), a conveyor belt (9) is arranged on the other side of one end of the mounting table (1), a movable seat (12) is vertically arranged in the middle of one end of the mounting table (1), and the top and the bottom of the rear end of the movable seat (12) are respectively provided with a vacuum sucker (11), the top and the bottom of one end of the mounting table (1) are respectively transversely and movably connected with a threaded rod (13).

2. A drive mechanism for a sheet fed lithographic apparatus as claimed in claim 1, wherein: the utility model discloses a quick-witted, including mount table (1), the inside vertical swing joint of mount table (1) one side has screw rod (15), the outside top and the bottom of screw rod (15) are provided with swivel nut (14) respectively, one side on mount table (1) top is fixed with servo motor (8), and the output shaft of servo motor (8) passes through the top fixed connection of shaft coupling and screw rod (15), the outside top of screw rod (15) and bottom are provided with opposite direction's external screw thread respectively, the inside of swivel nut (14) is provided with the internal thread with external screw thread matched with.

3. A drive mechanism for a sheet fed lithographic apparatus as claimed in claim 1, wherein: the rear end of the limiting plate (10) penetrates through one end of the mounting table (1) and is fixedly connected with one end of the threaded sleeve (14), and the limiting plate (10) is symmetrically arranged relative to the horizontal center line of the mounting table (1).

4. A drive mechanism for a sheet fed lithographic apparatus as claimed in claim 1, wherein: the top and the bottom of one end side of the mounting table (1) and one end of the support (3) are respectively and transversely provided with a slide way (17), a compression spring (16) is transversely fixed on one side of the inside of the slide way (17), a bottom plate (19) is respectively arranged on the top and the bottom of one end side of the mounting table (1), a sliding block (18) is fixed at the middle position of the rear end of the bottom plate (19), the sliding block (18) is embedded in the slide way (17), and one side of the sliding block (18) is fixedly connected with one side of the compression spring (16).

5. A drive mechanism for a sheet fed lithographic apparatus as claimed in claim 4, wherein: an outer protective cover (20) is arranged on one side of one end of the mounting table (1), and sliding strips (21) are transversely fixed to the top end and the bottom end of the rear end of the outer protective cover (20) respectively.

6. A drive mechanism for a sheet fed lithographic apparatus as claimed in claim 1, wherein: the top and the bottom of mount table (1) one end one side are provided with driving motor (4) respectively, threaded rod (13) run through the inside of sliding seat (12).

7. A drive mechanism for a sheet fed lithographic apparatus as claimed in claim 6, wherein: and an output shaft of the driving motor (4) is fixedly connected with one side of the threaded rod (13) through a coupler.