CN212981465U - Offset press convenient to material loading - Google Patents

Abstract

The utility model relates to an offset press convenient for feeding, which comprises an offset press body, wherein one end of the offset press body is provided with a feeding hole, the feeding hole of the offset press body is provided with a mounting frame, and the mounting frame is provided with a feeding table; the offset printing machine is characterized by further comprising a slide rail arranged on the ground, the length direction of the slide rail is the same as the feeding direction, a pulley is connected onto the slide rail in a sliding mode, a horizontal discharging plate is fixedly connected onto the pulley, the discharging plate is used for placing printing paper, and a positioning frame is fixedly connected onto the offset printing machine body; the mounting frame is provided with a lifting assembly used for enabling the feeding table to move in the vertical direction; and the positioning frame is provided with a positioning component for regularly positioning the printing paper placed on the material placing plate. Has the advantage of being convenient for carry out the material loading to the feed inlet of offset press body.

Description

Offset press convenient to material loading

Technical Field

The utility model belongs to the technical field of lithography apparatus's technique and specifically relates to an offset press convenient to material loading is related to.

Background

An offset printing press is a kind of offset printing press, in which printing images are first printed on a blanket cylinder from a printing plate and then transferred to paper by the blanket cylinder. Offset presses can be divided into sheet-fed offset presses and web-fed offset presses according to different paper feeding modes; the printing colors finished by one-time paper feeding can be divided into single-color, double-color, four-color and multi-color printing machines.

Referring to fig. 1, an offset printing machine in the prior art includes an offset printing machine body 1, a feeding table 13 is disposed at one end of the offset printing machine body 1, when printing paper 8 is fed, a pile of printing paper 8 is conveyed onto the feeding table 13, the paper pile is manually tidily stacked by an operator, a feeding device 4 is disposed on the offset printing machine body 1, and feeding is achieved through the feeding device 4. The offset printing machine body 1 is started to perform the printing operation.

The above prior art solutions have the following drawbacks: the offset printing machine needs to stack and align the printing paper manually in the using process, and the stacked paper is heavy, so that time and labor are wasted in the process of stacking and aligning the printing paper.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, one of the purposes of the utility model is to provide an offset press convenient to material loading has the advantage of being convenient for carry out the material loading to the feed inlet of offset press body.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: an offset press convenient for feeding comprises an offset press body, wherein a feeding hole is formed in one end of the offset press body, an installation frame is arranged at the feeding hole of the offset press body, and a feeding table is arranged on the installation frame; the offset printing machine is characterized by further comprising a slide rail arranged on the ground, the length direction of the slide rail is the same as the feeding direction, a pulley is connected onto the slide rail in a sliding mode, a horizontal discharging plate is fixedly connected onto the pulley, the discharging plate is used for placing printing paper, and a positioning frame is fixedly connected onto the offset printing machine body; the mounting frame is provided with a lifting assembly used for enabling the feeding table to move in the vertical direction; and the positioning frame is provided with a positioning component for regularly positioning the printing paper placed on the material placing plate.

By adopting the technical scheme, the slide rail and the pulley are convenient to transport the printing paper into the pile towards the feed inlet, the discharging plate arranged on the pulley is used for placing the printing paper, the printing paper into the pile is placed on the discharging plate, and the pulley is pushed by the slide rail to move on the slide rail towards the direction of the feed inlet. When the pulley is pushed to the position of the feeding hole, the material discharging plate and the pulley move to the upper part of the feeding table, and the feeding table supports the upper part of the material discharging plate. Under the effect of lifting unit, the feed table that sets up on the mounting bracket can move in vertical direction under lifting unit's drive, and lifting unit can rise the feed table to make the top of printing paper and feed inlet align, is convenient for to the feed inlet feeding. The positioning assembly on the positioning frame is used for arranging and positioning the printing paper on the discharging plate before the pulley enters the feeding hole, and the positioned and tidy piles of printing paper can enter the feeding hole under the pushing of the pulley. Through the coaster transportation printing paper to the mode that carries out the location to the paper that becomes the pile before the coaster gets into the feed inlet through locating component has compared in the mode of manual transport and has improved work efficiency greatly, has alleviateed workman's the amount of labour, still can let the more orderly entering feed inlet of paper simultaneously.

The present invention may be further configured in a preferred embodiment as: the lifting assembly comprises a gear, a vertical chain is arranged on the mounting rack, a lug plate is fixedly connected to a chain of the chain, the lug plate is fixedly connected with the feeding table, the gear is rotatably connected to the mounting rack, the gear is meshed with the chain, and a driving gear rotating driving assembly is arranged on the gear.

Through adopting above-mentioned technical scheme, the gear can rotate on the mounting bracket, and when gear revolve, the gear drives rather than the chain of meshing and moves on the gear, and when the chain removed, the otic placode of fixing on one of them chain link can the oscilaltion, and the otic placode is used for bearing the feeding stage, drives rather than fixed connection's feeding stage oscilaltion when the otic placode oscilaltion to the lift of piling up the printing paper on the feeding stage has been realized handling.

The present invention may be further configured in a preferred embodiment as: the driving assembly comprises a driving motor, and an output shaft of the driving motor is fixedly connected to a rotating shaft of the gear.

Through adopting above-mentioned technical scheme, when starting driving motor, driving motor's output shaft rotates and drives the gear and rotate to realized the lift to the feed table.

The present invention may be further configured in a preferred embodiment as: the positioning assembly comprises a positioning plate, the positioning frame is positioned right above the sliding rail and comprises a cross rod and two vertical rods, and the two vertical rods and the cross rod form a door shape; the locating plate includes the first board and the second board of vertical setting, first board sliding connection spare is on the horizontal pole, be equipped with the L shaped plate on the montant, second board fixed connection is in the tip of L shaped plate.

Through adopting above-mentioned technical scheme, the horizontal pole on the locating rack supplies first board wherein to slide, and first board is used for fixing a position one side of the printing paper of piling up, and the second board is used for fixing a position rather than adjacent one side with printing paper. When putting the printing paper, can directly stack the printing paper on the blowing board, make two adjacent limits of printing paper support tightly with second board and second board respectively, and the first board can slide on the horizontal pole to can slide the first board to the position that no longer interferes with the feeding of coaster. Thereby playing a good positioning effect on the placement of the piled printing paper.

The present invention may be further configured in a preferred embodiment as: the L-shaped plate is rotatably connected to the side face of the vertical rod, the free end of the L-shaped plate is fixedly connected with the second plate, and the vertical rod is provided with a fixing assembly for fixing the L-shaped plate in a rotating mode.

Through adopting above-mentioned technical scheme, the L shaped plate can rotate on the montant and has played the effect of adjusting the position of the second board on L shaped plate and the L shaped plate free end, realizes the effect of location when the L shaped plate rotates on the montant to the position that supports tightly with the printing paper of whole pile. When the L-shaped plate rotates out in the direction away from the sliding rail, the second plate can be far away from the side surface of the printing paper, and the interference of the second plate on the movement of the printing paper in the trolley transportation process is reduced to the maximum extent.

The present invention may be further configured in a preferred embodiment as: the fixed component comprises a limiting plate, the joint of the L-shaped plate and the vertical rod is a square block, a vertical sliding groove is formed in the side face of the vertical rod, the vertical rod is connected in the sliding groove in a sliding mode, the limiting plate is located above the L-shaped plate, and when the limiting plate slides to the bottom end of the sliding groove, the limiting plate is abutted to the square block.

Through adopting above-mentioned technical scheme, the setting of limiting plate restricts the rotation of L shaped plate, and when the limiting plate slided to the bottom of sliding tray, the L shaped plate can rotate to the position of second board and square piece butt just under the spacing of limiting plate, makes square piece unable rotate on the montant to realized the location to the second board on L shaped plate and the L shaped plate free end, prevented to make the L shaped plate rotate owing to the promotion of printing paper stacking the in-process of printing paper.

The present invention may be further configured in a preferred embodiment as: the feeding device is characterized by further comprising a cushion block placed on the upper surface of the discharging plate, the cushion block is a wedge-shaped block, and the cushion block is arranged close to the feeding port.

Through adopting above-mentioned technical scheme, the cushion on the blowing board is located the bottom of printing paper, and the cushion is used for the partial jack-up that is close to the feed inlet with printing paper to make the perk of printing paper partly, be convenient for carry out the material loading through fork truck from one side of principle cushion from the staff.

The present invention may be further configured in a preferred embodiment as: the bottom of the pulley is provided with a roller which is connected on the sliding rail in a sliding way.

Through adopting above-mentioned technical scheme, the setting up of gyro wheel is convenient to promote the coaster to made things convenient for and removed the printing paper on blowing board and the blowing board.

To sum up, the utility model discloses a following at least one useful technological effect:

the arrangement of the sliding rail and the pulley facilitates the movement of the piled printing paper, and the lifting assembly facilitates the movement of the printing paper to the position of the feeding hole, so that the feeding of the offset press is more convenient and the working efficiency is greatly improved;

the first plate and the second plate on the positioning frame and the positioning frame position the printing paper stacked on the material placing plate when the pulley enters the material inlet, and the printing paper can be conveyed to the material inlet more tidily under the positioning of the printing paper, so that the subsequent printing work is facilitated.

Drawings

FIG. 1 is a schematic diagram of a prior art configuration;

fig. 2 is a schematic structural diagram of the present invention;

FIG. 3 is a schematic structural diagram of a gear, a chain and a driving motor in the present invention;

FIG. 4 is an enlarged partial schematic view of portion A of FIG. 3;

FIG. 5 is an enlarged partial schematic view of portion B of FIG. 3;

FIG. 6 is a schematic structural view of the middle positioning frame, the first plate and the second plate of the present invention;

fig. 7 is a schematic structural diagram of the middle cushion block of the present invention.

Reference numerals: 1. an offset printing machine body; 2. a feed inlet; 3. a mounting frame; 4. a feeding device; 5. a slide rail; 6. a pulley; 7. a material placing plate; 8. printing paper; 9. a positioning frame; 10. a gear; 11. a chain; 12. an ear plate; 13. a feeding table; 14. a drive motor; 15. positioning a plate; 151. a first plate; 152. a second plate; 16. an L-shaped plate; 17. a square block; 18. a limiting plate; 19. a sliding groove; 20. cushion blocks; 21. a roller; 22. mounting grooves; 23. a cross bar; 24. a vertical rod.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 2, the offset printing machine convenient for feeding disclosed by the utility model comprises an offset printing machine body 1, wherein the offset printing machine body 1 is used for printing the printing paper 8 conveyed therein.

One end of the offset press body 1 is provided with a feeding hole 2, a feeding device 4 is arranged above the feeding hole 2, and the feeding device 4 comprises a sucker and is used for lifting printing paper 8 and conveying the printing paper into the feeding hole 2 to realize feeding operation. The offset machine body 1 is provided with a mounting frame 3 at the feed port 2, and the mounting frame 3 is provided with a feed table 13. The mounting frame 3 is provided with a lifting assembly for moving the feeding table 13 in the vertical direction. The lifting assembly is used for lifting the printing paper 8 which is moved to the feeding table 13 and piled up in the vertical direction to the position of the feeding device 4. In the feeding process, the stacked printing paper 8 is gradually fed, the lifting assembly is operated according to the condition to enable the printing paper 8 to continuously rise, and feeding of the feeding device 4 to the printing paper 8 is completed.

Lifting unit includes gear 10, has seted up vertical mounting groove 22 on the mounting bracket 3, is equipped with vertical chain 11 in the mounting groove 22, fixedly connected with otic placode 12 on the chain link of chain 11, otic placode 12 and feed table 13 fixed connection, gear 10 rotates to be connected on the cell wall of mounting groove 22, gear 10 and the meshing of chain 11, the last drive assembly who drives gear 10 pivoted that is equipped with of gear 10. The driving assembly comprises a driving motor 14, and an output shaft of the driving motor 14 is fixedly connected to a rotating shaft of the gear 10.

The slide rail 5 positioned below the mounting frame 3 is slightly lower than the slide rail 5 outside the mounting frame 3, so that the material discharging plate 7 entering below the mounting frame 3 can be better moved to the upper part of the feeding table 13, and the feeding table 13 can conveniently drive the material discharging plate 7 to ascend.

When the driving assembly is started to enable the driving motor 14 to rotate forwards or reversely, the output shaft of the driving motor 14 drives the gear 10 fixedly connected with the driving motor to rotate forwards or reversely, and therefore the chain 11 meshed with the gear 10 is driven to move upwards or downwards on the gear 10 through the rotation of the gear 10. The chain 11 moves continuously during the continuous movement of the chain 11 so as to move the lug plate 12 fixedly connected with the chain and the feeding table 13 upwards or downwards, thereby moving the printing paper 8 placed on the feeding table 13 upwards or downwards.

Still including setting up in the slide rail 5 on ground, the length direction of slide rail 5 is the same with the direction of feeding, and sliding connection has coaster 6 on slide rail 5, and coaster 6 can remove along the length direction of slide rail 5, and fixed connection has horizontally blowing board 7 on coaster 6, and blowing board 7 is used for placing printing paper 8, and when coaster 6 removed, the blowing board 7 that sets up on the drive coaster 6 removed together. The bottom of the pulley 6 is fixedly connected with a roller 21, and the roller 21 is connected on the sliding rail 5 in a sliding manner. The arrangement of the rollers 21 makes it easier and faster for the worker to push the trolley 6.

The size of the material placing plate 7 is larger than that of the printing paper 8 placed above the material placing plate, the material placing plate further comprises a cushion block 20 placed on the upper surface of the material placing plate 7, the cushion block 20 is a wedge-shaped block, and the cushion block 20 is arranged at a position close to the feeding port 2. In the process of placing the printing paper 8 on the placing plate 7, the smaller printing paper 8 is placed on the placing plate 7, the two sides of the printing paper 8 are lifted, and the cushion blocks 20 are stuffed into the bottom of the printing paper 8, so that one side of the printing paper 8 slightly tilts. Reuse fork truck pushes into more printing paper 8 on the flitch 7, because cushion 20 makes one side of printing paper 8 stick up, it is more convenient when fork truck is towards blowing on the flitch 7.

The offset machine body 1 is fixedly connected with a positioning frame 9. The positioning frame 9 is provided with a positioning component for regularly positioning the printing paper 8 placed on the material placing plate 7. The positioning assembly comprises a positioning plate 15, the positioning frame 9 is located right above the sliding rail 5, the positioning frame 9 comprises a cross rod 23 and two vertical rods 24, and the two vertical rods 24 and the cross rod 23 form a door shape. The setting of locating rack 9 is regular and is aligned the printing paper 8 that will get into feed inlet 2, makes the printing paper 8 that gets into feed inlet 2 can realize better location to guarantee the quality of printing product.

The positioning plate 15 includes a first plate 151 and a second plate 152 vertically arranged, the first plate 151 is slidably connected to the cross bar 23, the vertical bar 24 is provided with an L-shaped plate 16, and the second plate 152 is fixedly connected to the end of the L-shaped plate 16. The L-shaped plate 16 is rotatably connected to the side of the vertical rod 24, and the free end of the L-shaped plate 16 is fixedly connected with the second plate 152. The first plate 151 can horizontally slide on the cross bar 23 along the length direction of the cross bar 23, the first plate 151 is divided into two plates, when the two first plates 151 slide to the position blocking the printed paper 8 from entering, the printed paper 8 stacked by workers is aligned with the first plate 151 in the height direction, and the printed paper boards can be neatly and regularly stacked upwards in the process of being placed.

The L-shaped plate 16 is divided into two parts, and the two L-shaped plates 16 are respectively connected to the side surfaces of the two vertical rods 24 in a rotating way. L-shaped plate 16 can rotate along montant 24, drives the second board 152 rotation of L-shaped plate 16 free end at L-shaped plate 16 pivoted in-process, and first board 151 and second board 152 are fixed a position the adjacent both sides of printing paper 8 respectively, and the staff is stacking the high face and first board 151 and second board 152 butt respectively of piling up of printing paper 8 on the blowing board 7, has realized the location to printing paper 8.

The vertical rod 24 is provided with a fixing component for fixing the rotation of the L-shaped plate 16. Fixed subassembly includes limiting plate 18, and L shaped plate 16 is square piece 17 with the junction of montant 24, and vertical sliding tray 19 has been seted up to montant 24's side, and montant 24 sliding connection is in sliding tray 19, and limiting plate 18 is located the top of L shaped plate 16, and when limiting plate 18 slided to sliding tray 19's bottom, limiting plate 18 and square piece 17 butt.

When the stopper plate 18 slides to the bottom end of the slide groove 19, the stopper plate 18 abuts against the outer side of the square block 17, so that the square block 17 cannot rotate, and the second plate 152 is located at a position where the printing paper 8 is positioned. When the limiting plate 18 slides upwards to ensure that the limiting plate 18 is not abutted with the side surface of the square block 17 any more, the L-shaped plate 16 can be continuously rotated for adjustment.

The implementation principle of the embodiment is as follows: when loading the printing paper 8: rotating the L-shaped plate 16 to make the L-shaped plate 16 rotate along the square blocks 17 and the vertical rods 24, sliding the limit plate 18 in the sliding groove 19 to the bottom of the sliding groove 19, making the limit plate 18 abut against the side surfaces of the square blocks 17, sliding the first plate 151 to make the first plate 151 move to a position blocking the feeding of the printing paper 8, placing the cushion block 20 on the upper surface of the discharging plate 7, conveying a part of the printing paper plate above the discharging plate 7 to make the printing paper 8 press the cushion block 20 below, stacking more printing paper 8 on the upper surface of the discharging plate 7 through forklift operation, making the edge of the stacked printing paper 8 abut against the first plate 151 and the second plate 152 respectively, sliding the first plate 151 to make the first plate 151 move to a position no longer blocking the movement of the pulley 6 to the feed inlet 2, sliding the limit plate 18 to turn out the L-shaped plate 16, pushing the pulley 6 and the discharging plate 7 on the pulley 6 to move towards the feed inlet 2, when the trolley 6 moves below the feed port 2, the trolley 6 and the material discharge plate 7 on the trolley 6 are pushed to be right above the feed table 13. The driving motor 14 is started, the output shaft of the driving motor 14 rotates to drive the gear 10 fixedly connected with the output shaft to rotate, the gear 10 rotates to enable the chain 11 meshed with the gear to rotate, and the chain 11 rotates to achieve lifting of the feeding table 13 fixedly connected to the chain links, so that printing paper 8 on the discharging plate 7 is conveyed to a position close to the feeding hole 2 to be printed on the next step.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides an offset press convenient to material loading, includes offset press body (1), offset press body (1) one end is equipped with feed inlet (2), its characterized in that: the offset press comprises an offset press body (1), wherein a mounting frame (3) is arranged at a feed inlet (2) of the offset press body (1), and a feed table (13) is arranged on the mounting frame (3); the offset printing machine is characterized by further comprising a sliding rail (5) arranged on the ground, the length direction of the sliding rail (5) is the same as the feeding direction, a pulley (6) is connected onto the sliding rail (5) in a sliding mode, a horizontal discharging plate (7) is fixedly connected onto the pulley (6), the discharging plate (7) is used for placing printing paper (8), and a positioning frame (9) is fixedly connected onto the offset printing machine body (1); the mounting frame (3) is provided with a lifting assembly used for enabling the feeding table (13) to move in the vertical direction; and the positioning frame (9) is provided with a positioning component for regularly positioning the printing paper (8) placed on the material placing plate (7).

2. An offset printing press facilitating feeding according to claim 1, characterized in that: lifting unit includes gear (10), be equipped with vertical chain (11) on mounting bracket (3), fixedly connected with otic placode (12) on the chain of chain (11), otic placode (12) and feeding platform (13) fixed connection, gear (10) rotate to be connected on mounting bracket (3), gear (10) and chain (11) meshing, be equipped with drive gear (10) pivoted drive assembly on gear (10).

3. An offset printing press facilitating feeding according to claim 2, characterized in that: the driving assembly comprises a driving motor (14), and an output shaft of the driving motor (14) is fixedly connected to a rotating shaft of the gear (10).

4. An offset printing press facilitating feeding according to claim 1, characterized in that: the positioning assembly comprises a positioning plate (15), the positioning frame (9) is positioned right above the sliding rail (5), the positioning frame (9) comprises a cross rod (24) and two vertical rods (25), and the two vertical rods (25) and the cross rod (24) form a door shape; locating plate (15) including vertical first board (151) that sets up and second board (152), first board (151) sliding connection spare is on horizontal pole (24), be equipped with L shaped plate (16) on montant (25), second board (152) fixed connection is in the tip of L shaped plate (16).

5. An offset printing press facilitating feeding according to claim 4, wherein: l shaped plate (16) rotate to be connected in the side of montant (25), the free end and second board (152) fixed connection of L shaped plate (16), be equipped with on montant (25) and carry out the fixed subassembly fixed to the rotation of L shaped plate (16).

6. An offset printing press facilitating feeding according to claim 5, wherein: fixed subassembly includes limiting plate (18), the junction of L shaped plate (16) and montant (25) is square piece (17), vertical sliding tray (19) have been seted up to the side of montant (25), montant (25) sliding connection is in sliding tray (19), limiting plate (18) are located the top of L shaped plate (16), work as limiting plate (18) slide when the bottom of sliding tray (19), limiting plate (18) and square piece (17) butt.

7. An offset printing press facilitating feeding according to claim 1, characterized in that: the feeding device is characterized by further comprising a cushion block (20) placed on the upper surface of the material placing plate (7), wherein the cushion block (20) is a wedge-shaped block, and the cushion block (20) is arranged close to the feeding hole (2).

8. An offset printing press facilitating feeding according to claim 1, characterized in that: pulley (6) bottom is equipped with gyro wheel (21), gyro wheel (21) sliding connection is on slide rail (5).

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