CN218197499U

CN218197499U - Mechanism for adjusting height of flattening roller of printing machine

Info

Publication number: CN218197499U
Application number: CN202221999113.3U
Authority: CN
Inventors: 凌坚
Original assignee: Shanghai Xinkaibao Business Printing Co ltd
Current assignee: Shanghai Xinkaibao Business Printing Co ltd
Priority date: 2022-07-30
Filing date: 2022-07-30
Publication date: 2023-01-03
Anticipated expiration: 2032-07-30

Abstract

The application discloses printing machine flattening roller height adjustment mechanism relates to printing machine technical field, improves when adjusting flattening roller height, needs the manual work to rotate the handle and operates, comparatively inconvenient problem, including paper feed platform, mount and lifter plate, the bottom fixedly connected with flattening spring of lifter plate, flattening spring's lower extreme fixedly connected with mounting panel, flattening roller is installed in the bottom rotation of mounting panel, the middle part fixedly connected with ratch of lifter plate upper surface, the top fixed mounting of mount has the supporting seat, one side fixed mounting of supporting seat has the motor, the output fixedly connected with and the ratch engaged with gear of motor. This application only needs starter motor drive gear to rotate through the cooperation of motor, gear, ratch and lifter plate, makes the gear drive ratch go up and down, makes the ratch drive lifter plate go up and down to can adjust the height of flattening roller, need not manual operation, improve the convenience.

Description

Mechanism for adjusting height of flattening roller of printing machine

Technical Field

The application relates to the field of printing machines, in particular to a flattening roller height adjusting mechanism of a printing machine.

Background

The existing single-sided printing machine generally comprises mechanisms such as plate loading, ink coating, stamping, paper conveying and the like. The working principle is as follows: the characters and images to be printed are made into printing plates and installed on a printing machine, then ink is coated on the positions, where the characters and images are located, of the printing plates manually or by the printing machine and then is directly or indirectly transferred to paper or other printing stocks, so that the same printed matters are copied from the printing plates, and in order to reduce the wrinkles of printed paper, a flattening roller is generally installed on a paper feeding table of the printing machine.

The existing Chinese patent with the publication number of CN209352313U discloses a single-sided printing machine, which comprises a machine body, a paper inlet and a paper outlet, wherein the paper inlet and the paper outlet are arranged on the machine body, a paper inlet table is arranged at the position of the paper inlet, a flattening device is arranged on the paper inlet table and comprises two vertical rods which are vertically arranged on the paper inlet table, a horizontal rod which is parallel to the paper inlet table is arranged at one end, away from the machine body, of each vertical rod, a lifting threaded hole is formed in the middle of each horizontal rod, a lifting threaded rod which is perpendicular to the paper inlet table is arranged in each lifting threaded hole, a flattening plate which is parallel to the paper inlet table is arranged between the two vertical rods, two ends of each flattening plate can move along the vertical rods, flattening rollers which can rotate around the axis of the flattening plate are arranged on the flattening plate, one end of each lifting threaded rod can penetrate through the flattening plate, two fixing nuts are arranged on the lifting threaded rods, and one fixing nut is arranged on each of each two sides of the flattening plate.

In view of the related art described above, the inventors have found that at least the following problems exist in the art: when the height of the flattening roller is adjusted, the handle needs to be manually rotated to operate, and the flattening roller is inconvenient.

SUMMERY OF THE UTILITY MODEL

In order to improve when adjusting the flattening roller height, need the manual work to rotate the handle and operate, comparatively inconvenient problem, this application provides printing machine flattening roller height adjustment mechanism.

The application provides printing machine flattening roller height adjustment mechanism adopts following technical scheme:

the flattening roller height adjusting mechanism of the printing machine comprises a paper feeding table and a fixing frame arranged on the paper feeding table, wherein a lifting plate is arranged in the fixing frame in a sliding mode, a flattening spring is fixedly connected to the bottom of the lifting plate, a mounting plate is fixedly connected to the lower end of the flattening spring, and a flattening roller is rotatably arranged at the bottom of the mounting plate;

the middle part fixedly connected with ratch of lifter plate upper surface, the top fixed mounting of mount has the supporting seat, one side fixed mounting of supporting seat has the motor, the output fixedly connected with of motor and ratch engaged with gear.

Through adopting above-mentioned technical scheme, when using, but starter motor drive gear rotates, makes the gear drive ratch go up and down, makes the ratch drive lifter plate go up and down to can adjust the height of flattening roller, need not manual operation, improve the convenience.

Optionally, both ends of the lower surface of the lifting plate are fixedly provided with limiting rods, and the mounting plate is sleeved on the limiting rods in a sliding manner.

Through adopting above-mentioned technical scheme, the gag lever post can play limiting displacement to the mounting panel, improves the equilibrium of flattening roller.

Optionally, a through hole for passing through the rack bar is formed in the middle of the top of the fixing frame.

Through adopting above-mentioned technical scheme, the ratch of being convenient for passes the mount and goes up and down.

Optionally, guide rods are fixedly mounted at two ends of the upper surface of the lifting plate, and the guide rods penetrate through the fixing frame in a sliding manner.

Through adopting above-mentioned technical scheme, the guide arm can play the guide effect to the lifter plate, improves the stability of lifter plate.

Optionally, the upper end of the guide rod is fixedly provided with a limiting block.

Through adopting above-mentioned technical scheme, the stopper can play limiting displacement to the guide arm, reduces the condition that guide arm and mount break away from.

Optionally, the inner side wall of the fixing frame is provided with a sliding groove, and two ends of the lifting plate are fixedly connected with sliding blocks which slide in the sliding groove.

Through adopting above-mentioned technical scheme, through the cooperation of spout and slider, can play slip limiting displacement to the lifter plate, further improve the stability of lifter plate.

Optionally, the two sides of the paper feeding table are both provided with connecting grooves, the inner wall of the lower end of the fixing frame is provided with a groove, a return spring is arranged inside the groove, one end of the return spring is fixedly connected with a connecting block matched with the connecting grooves, and the connecting block is a rectangular block.

Through adopting above-mentioned technical scheme, when the installation mount, only need cover the mount at the paper feed bench, make the connecting block insert the spread groove under reset spring's elastic force effect in, can fix the mount, realize adjustment mechanism's quick installation.

Optionally, one end of the connecting block, which is close to the return spring, is fixedly provided with a pull rod which penetrates through the outer side of the fixing frame.

Through adopting above-mentioned technical scheme, when the mount is demolishd to needs, can pull the pull rod and extract the connecting block from the spread groove, can dismantle the mount.

In summary, the present application has the following beneficial effects:

1. through the matching of the motor, the gear, the toothed bar and the lifting plate, the gear is driven to rotate only by starting the motor, the gear drives the toothed bar to lift, and the toothed bar drives the lifting plate to lift, so that the height of the flattening roller can be adjusted, manual operation is not needed, and the convenience is improved;

2. this application is convenient for carry out the dismouting to this flattening roller height adjustment mechanism through the setting of spread groove, reset spring, connecting block and pull rod, uses nimble convenience more.

Drawings

Fig. 1 is a schematic diagram of the whole structure of the present application.

Fig. 2 is an enlarged view of the structure at a in fig. 1 of the present application.

Description of reference numerals:

1. a paper feeding table; 2. a fixed mount; 3. a lifting plate; 4. flattening the spring; 5. mounting a plate; 6. flattening rollers; 7. a rack bar; 8. a supporting seat; 9. a motor; 10. a gear; 11. a limiting rod; 12. a via hole; 13. a guide bar; 14. a limiting block; 15. a chute; 16. a slider; 17. connecting grooves; 18. a groove; 19. a return spring; 20. connecting blocks; 21. a pull rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

Referring to fig. 1-2, a mechanism for adjusting the height of a leveling roller of a printing machine includes a paper feeding table 1 and a fixing frame 2 installed on the paper feeding table 1, connecting grooves 17 are formed in both sides of the paper feeding table 1, a groove 18 is formed in the inner wall of the lower end of the fixing frame 2, a return spring 19 is arranged inside the groove 18, one end of the return spring 19 is fixedly connected with a connecting block 20 matched with the connecting grooves 17, the connecting block 20 is a rectangular block, when the fixing frame 2 is installed, the fixing frame 2 only needs to be covered on the paper feeding table 1, the connecting block 20 is inserted into the connecting grooves 17 under the elastic force of the return spring 19, the fixing frame 2 can be fixed, and the quick installation of the adjusting mechanism is achieved.

One end of the connecting block 20 close to the return spring 19 is fixedly provided with a pull rod 21 penetrating to the outer side of the fixing frame 2, and when the fixing frame 2 needs to be dismounted, the pull rod 21 can be pulled to pull out the connecting block 20 from the connecting groove 17, so that the fixing frame 2 can be dismounted.

Referring to fig. 1, a lifting plate 3 is slidably mounted inside a fixing frame 2, a flattening spring 4 is fixedly connected to the bottom of the lifting plate 3, a mounting plate 5 is fixedly connected to the lower end of the flattening spring 4, a flattening roller 6 is rotatably mounted at the bottom of the mounting plate 5, and the flattening spring 4 can apply elasticity to the mounting plate 5, so that the mounting plate 5 drives the flattening roller 6 to flatten paper.

Wherein, the equal fixed mounting in both ends of 3 lower surfaces of lifter plate has gag lever post 11, and mounting panel 5 slides and cup joints on gag lever post 11, and gag lever post 11 can play limiting displacement to mounting panel 5, improves flattening roller 6's equilibrium.

Referring to fig. 1, the middle part fixedly connected with ratch 7 of lifter plate 3 upper surface, ratch 7 are vertical arrangement, and the via hole 12 that is used for passing ratch 7 is offered at the middle part at 2 tops of mount, and the top fixed mounting of mount 2 has a supporting seat 8, and one side fixed mounting of supporting seat 8 has a motor 9, and the output fixedly connected with of motor 9 and ratch 7 engaged with gear 10, gear 10 rotate the setting on mount pad 8. When the lifting device is used, the motor 9 can be started to drive the gear 10 to rotate, the gear 10 drives the toothed bar 7 to lift, the toothed bar 7 drives the lifting plate 3 to lift, therefore, the height of the flattening roller 6 can be adjusted, manual operation is not needed, and convenience is improved.

Wherein, the equal fixed mounting in both ends of lifter plate 3 upper surface has guide arm 13, and guide arm 13 slides and runs through in mount 2, and guide arm 13 can play the guide effect to lifter plate 3, improves lifter plate 3's stability, and the upper end fixed mounting of guide arm 13 has stopper 14, and stopper 14 can play limiting displacement to guide arm 13, reduces the condition that guide arm 13 and mount 2 break away from.

In addition, spout 15 has been seted up to the inside wall of mount 2, and the equal fixedly connected with in both ends of lifter plate 3 slides slider 16 in spout 15, through spout 15 and slider 16's cooperation, can play the spacing effect that slides to lifter plate 3, further improves lifter plate 3's stability.

The application has the implementation principle that: when the device is used, the motor 9 can be started to drive the gear 10 to rotate, so that the gear 10 drives the toothed bar 7 to lift, and the toothed bar 7 drives the lifting plate 3 to lift, therefore, the height of the flattening roller 6 can be adjusted, manual operation is not needed, and the convenience is improved; in addition, when the fixed frame 2 is installed, the fixed frame 2 only needs to be covered on the paper feeding table 1, the connecting block 20 is inserted into the connecting groove 17 under the elastic force action of the return spring 19, the fixed frame 2 can be fixed, the quick installation of the adjusting mechanism is realized, and when the fixed frame 2 needs to be dismantled, the pull rod 21 can be pulled to pull the connecting block 20 out of the connecting groove 17, so that the fixed frame 2 can be dismantled.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. Printing machine flattening roller height adjustment mechanism is including advancing paper platform (1) and installing mount (2) on advancing paper platform (1), its characterized in that: a lifting plate (3) is slidably mounted inside the fixing frame (2), a flattening spring (4) is fixedly connected to the bottom of the lifting plate (3), a mounting plate (5) is fixedly connected to the lower end of the flattening spring (4), and a flattening roller (6) is rotatably mounted at the bottom of the mounting plate (5);

the middle part fixedly connected with ratch (7) of lifter plate (3) upper surface, the top fixed mounting of mount (2) has supporting seat (8), one side fixed mounting of supporting seat (8) has motor (9), the output fixedly connected with of motor (9) and ratch (7) engaged with gear (10).

2. The platen height adjustment mechanism of a printing press according to claim 1, wherein: the both ends of lifter plate (3) lower surface are equal fixed mounting have gag lever post (11), mounting panel (5) slip cup joint on gag lever post (11).

3. The printing press platen height adjustment mechanism of claim 1, wherein: the middle part of the top of the fixed frame (2) is provided with a via hole (12) for passing through the toothed bar (7).

4. The platen height adjustment mechanism of a printing press according to claim 1, wherein: both ends of lifter plate (3) upper surface all fixed mounting have guide arm (13), guide arm (13) slide to run through in mount (2).

5. The printing press platen height adjustment mechanism of claim 4, wherein: and the upper end of the guide rod (13) is fixedly provided with a limiting block (14).

6. The printing press platen height adjustment mechanism of claim 1, wherein: the inside wall of mount (2) has seted up spout (15), the equal fixedly connected with in both ends of lifter plate (3) slides slider (16) in spout (15).

7. The platen height adjustment mechanism of a printing press according to claim 1, wherein: the paper feeding table is characterized in that connecting grooves (17) are formed in two sides of the paper feeding table (1), grooves (18) are formed in the inner wall of the lower end of the fixing frame (2), return springs (19) are arranged inside the grooves (18), one end of each return spring (19) is fixedly connected with a connecting block (20) matched with the corresponding connecting groove (17), and the connecting blocks (20) are rectangular blocks.

8. The printing press platen height adjustment mechanism of claim 7, wherein: one end of the connecting block (20) close to the return spring (19) is fixedly provided with a pull rod (21) which penetrates through the outer side of the fixing frame (2).