CN215204029U - Paper positioning mechanism for printing machine - Google Patents

Paper positioning mechanism for printing machine Download PDF

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Publication number
CN215204029U
CN215204029U CN202121297910.2U CN202121297910U CN215204029U CN 215204029 U CN215204029 U CN 215204029U CN 202121297910 U CN202121297910 U CN 202121297910U CN 215204029 U CN215204029 U CN 215204029U
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paper
fixedly connected
fixed
shaft
fixing
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CN202121297910.2U
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Chinese (zh)
Inventor
黎海洋
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Nanning Fangda Printing Co ltd
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Nanning Fangda Printing Co ltd
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Abstract

The utility model discloses a paper positioning mechanism for printing machine belongs to printing machine technical field. A paper positioning mechanism for a printing machine comprises a bottom plate, wherein two supporting seats are fixedly connected to the bottom plate, a fixed cylinder is rotatably connected to the two supporting seats, an air cylinder is installed in the fixed cylinder, a telescopic shaft of the air cylinder is fixedly connected with one end of a fixed shaft, the fixed shaft is movably connected to the inside of the fixed cylinder, a fixing part is fixedly connected to one end, located outside the fixed cylinder, of the fixed shaft, the two fixing parts respectively abut against the fixing grooves in the two ends of a paper cylinder shaft, a sliding rail is fixedly connected to the bottom plate through two fixed rods, and the bottom of the sliding rail is rotatably connected with a bidirectional screw through fixed supporting plates fixedly arranged at the two ends of the sliding rail; this device can conveniently carry out dismouting work to the fiber container axle, can carry out the location work placed in the middle with the paper reel simultaneously, can have the problem of printing skew when can avoiding follow-up paper printing to through the effect of last squeeze roll and squeeze roll down, carry out flattening work to the paper, avoid the paper fold to produce the problem of influence to follow-up printing work.

Description

Paper positioning mechanism for printing machine
Technical Field
The utility model belongs to the technical field of the printing machine, concretely relates to a paper positioning mechanism for printing machine.
Background
The printing machine is a machine for printing characters and images, the modern printing machine generally comprises mechanisms such as plate loading, inking, stamping, paper conveying and the like, and the working principle of the modern printing machine is as follows: the characters and images to be printed are made into printing plate, then it is mounted on the printing machine, then the ink is coated on the position on the printing plate where the characters and images are placed by hand or printing machine, then it is directly or indirectly transferred onto paper or other printing material so as to copy the printed matter identical to printing plate.
At present, current printing machine needs install the work to the paper earlier at the during operation, but current printing machine lacks the paper location, leads to paper installation back position not placed in the middle, can have the problem of printing skew during subsequent paper printing, and is difficult to carry out flattening work to the paper, easily produces the influence to subsequent printing work.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a paper positioning mechanism for printing machine to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a paper positioning mechanism for printing machine, comprising a base plate, the rigid coupling has two supporting seats on the bottom plate, all rotate in two supporting seats and be connected with solid fixed cylinder, install the cylinder in the solid fixed cylinder, the telescopic shaft and the fixed axle one end rigid coupling of cylinder, fixed axle swing joint is in solid fixed cylinder, the fixed axle is in solid fixed cylinder outside one serve the rigid coupling have the mounting, two mountings are contradicted respectively in the both ends fixed slot of paper section of thick bamboo axle, still there is the slide rail through two dead lever rigid couplings on the bottom plate, the bottom of slide rail is rotated through the fixed extension board that its both ends set firmly and is connected with two-way screw rod, two-way screw rod's one end rigid coupling has hand wheel one, two-way screw rod is close to equal screw drive on the outer wall at both ends and is connected with the thread piece, the bottom rigid coupling of thread piece has the location splint, it has leveling mechanism still to go back the rigid coupling on the bottom plate.
The scheme is as follows:
the cylinder and the motor are common parts in the prior art, and the adopted models and the like can be customized according to actual use requirements.
Preferably, the paper tube shaft is provided with a cavity and a motor, an output shaft of the motor is fixedly connected with one end of a bidirectional screw rod, the bidirectional screw rod is rotatably connected in the paper tube shaft, the outer walls of the two ends, close to the two ends, of the bidirectional screw rod are in threaded transmission connection, the side walls of the two screw sleeves are hinged to the inner side walls of the four expansion blocks through four hinge rods, and the four expansion blocks are movably connected in a hole channel formed in the outer wall of the paper tube shaft.
Preferably, a sliding block is fixedly connected to the thread block, and the sliding block is slidably connected to the sliding rail.
Preferably, the side wall of the positioning clamping plate is fixedly connected with a connecting plate, and the bottom of the connecting plate is rotatably connected with a plurality of positioning rollers which are arranged at equal intervals.
Preferably, the fixing member and the fixing groove are both in a matched cross shape.
Preferably, the leveling mechanism comprises two supporting plates fixedly connected to the base plate, a lower squeeze roller is rotatably connected between the two supporting plates, sliding grooves are formed in the two supporting plates, adjusting blocks are slidably connected in the sliding grooves, an upper squeeze roller is rotatably connected between the two adjusting blocks, the adjusting blocks are rotatably connected with the bottom end of an adjusting screw rod, and the adjusting screw rod is in threaded connection with the supporting plates and fixedly connected with a second hand wheel.
Compared with the prior art, the utility model provides a paper positioning mechanism for printing machine has following beneficial effect:
(1) the paper drum shaft is arranged between the two fixed shafts, the air cylinder is started, the paper drum shaft is fixed under the action of the fixed shafts and the fixing piece, the hand wheel is rotated to drive the two threaded blocks to be close to each other through the bidirectional screw rod, the two threaded blocks drive the two positioning clamping plates to be close to each other, so that the paper drum on the paper drum shaft is automatically positioned at the central position of the paper drum shaft, and finally the expansion block is ejected out by utilizing the work of the motor to fix the paper drum;
(2) through the setting of flattening subassembly, it is rotatory to rotate hand wheel two and drive adjusting screw, drives the regulating block through adjusting screw and reciprocates to the interval between squeeze roll and the lower squeeze roll is gone up in the regulation, and through the effect of last squeeze roll and lower squeeze roll, carries out flattening work to the paper, avoids the paper fold to produce the problem of influence to follow-up printing work.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic sectional view of the fixing cylinder of the present invention;
FIG. 3 is a schematic structural view of a paper roll shaft according to the present invention;
FIG. 4 is a schematic structural view of each component at the bottom of the slide rail of the present invention;
fig. 5 is a schematic structural view of a section of the paper tube shaft according to the present invention.
In the figure:
1. a base plate; 2. a supporting seat; 3. a fixed cylinder; 4. a cylinder; 5. a fixed shaft; 6. a fixing member; 7. a paper cartridge shaft; 8. a motor; 9. a bidirectional lead screw; 10. sleeving the silk; 11. a hinged lever; 12. an expansion block; 13. fixing the rod; 14. a slide rail; 15. fixing a support plate; 16. a bidirectional screw; 17. a first hand wheel; 18. a thread block; 19. a slider; 20. positioning the clamping plate; 21. a connecting plate; 22. a positioning roller; 23. a leveling mechanism; 2301. a support plate; 2302. a lower squeeze roll; 2303. an adjusting block; 2304. an upper squeeze roll; 2305. adjusting the screw rod; 2306. and a second hand wheel.
Detailed Description
The present invention will be further described with reference to the following examples.
The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.
Referring to fig. 1-5, the present invention provides a paper positioning mechanism for a printing machine, comprising a bottom plate 1, two supporting seats 2 fixed to the bottom plate 1, a fixed cylinder 3 rotatably connected to both supporting seats 2, a cylinder 4 installed in the fixed cylinder 3, a telescopic shaft of the cylinder 4 fixedly connected to one end of the fixed shaft 5, the fixed shaft 5 movably connected to the fixed cylinder 3, a fixing member 6 fixed to one end of the fixed shaft 5 outside the fixed cylinder 3, two fixing members 6 respectively abutting against the fixing grooves at both ends of the paper cylinder 7, a slide rail 14 fixedly connected to the bottom plate 1 via two fixing rods 13, a bidirectional screw 16 rotatably connected to the bottom of the slide rail 14 via a fixing plate 15 fixed at both ends thereof, a hand wheel 17 fixedly connected to one end of the bidirectional screw 16, a thread block 18 spirally connected to the outer wall of the bidirectional screw 16 near both ends, and a positioning clamp plate 20 fixedly connected to the bottom of the thread block 18, the bottom plate 1 is also fixedly connected with a leveling mechanism 23.
As further shown in fig. 5, the paper tube shaft 7 is provided with a cavity and is provided with a motor 8, an output shaft of the motor 8 is fixedly connected with one end of a bidirectional screw 9, the bidirectional screw 9 is rotatably connected in the paper tube shaft 7, the outer walls of the bidirectional screw 9 near two ends are in screw transmission connection with screw sleeves 10, the side walls of the two screw sleeves 10 are hinged with the inner side walls of four expansion blocks 12 through four hinge rods 11, and the four expansion blocks 12 are movably connected in pore channels formed in the outer wall of the paper tube shaft 7; the motor 8 is operated to eject the expansion block 12, thereby fixing the paper roll.
As further shown in fig. 4, a sliding block 19 is fixedly connected to the threaded block 18, and the sliding block 19 is slidably connected to the slide rail 14; limiting the rotation of the threaded block 18 and making the threaded block 18 more stable during movement.
As further shown in fig. 4, a connecting plate 21 is fixedly connected to the side wall of the positioning clamp plate 20, and the bottom of the connecting plate 21 is rotatably connected with a plurality of positioning rollers 22 arranged at equal intervals; the paper is more stable during conveying.
As further shown in fig. 2 and 3, the fixing member 6 and the fixing groove are both in a fitting cross shape; facilitating the fixing of the cartridge shaft 7.
Further as shown in fig. 1, the leveling mechanism 23 includes two support plates 2301 fixedly connected to the base plate 1, a lower squeeze roller 2302 is rotatably connected between the two support plates 2301, sliding grooves are formed in the two support plates 2301, adjusting blocks 2303 are slidably connected in the sliding grooves, an upper squeeze roller 2304 is rotatably connected between the two adjusting blocks 2303, the adjusting blocks 2303 are rotatably connected with the bottom ends of adjusting screws 2305, and the adjusting screws 2305 are in threaded connection with the support plates 2301 and fixedly connected with a second hand wheel 2306; through the effect of last squeeze roll 2304 and lower squeeze roll 2302, carry out flattening work to the paper, avoid the paper fold to produce the problem of influence to follow-up printing work.
When in use, the paper tube shaft 7 is arranged between the two fixed shafts 5, the air cylinder 4 is started, the paper tube shaft 7 is fixed through the action of the fixed shafts 5 and the fixing parts 6, the hand wheel I17 is rotated, the two threaded blocks 18 are driven by the two-way screw 16 to approach each other, the two threaded blocks 18 drive the two positioning clamp plates 20 to approach each other, so that the paper roll on the paper roll shaft 7 is automatically positioned at the central position of the paper roll shaft 7, finally the motor 8 is used for ejecting the expansion block 12 to fix the paper roll, then the leveling component is arranged, the hand wheel II 2306 is rotated and drives the adjusting screw 2305 to rotate, the adjusting screw 2305 drives the adjusting block 2303 to move up and down, thereby adjusting the interval between the upper press roll 2304 and the lower press roll 2302, and by the action of the upper press roll 2304 and the lower press roll 2302, carry out flattening work to the paper, avoid the paper fold to produce the problem of influence to follow-up printing work.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A paper positioning mechanism for a printing press, comprising a base plate (1), characterized in that: the paper tube fixing device is characterized in that two supporting seats (2) are fixedly connected to the bottom plate (1), a fixed tube (3) is rotatably connected to the two supporting seats (2), a cylinder (4) is installed in the fixed tube (3), a telescopic shaft of the cylinder (4) is fixedly connected to one end of a fixed shaft (5), the fixed shaft (5) is movably connected to the inside of the fixed tube (3), a fixing part (6) is fixedly connected to one end, located outside the fixed tube (3), of the fixed shaft (5), the two fixing parts (6) are respectively abutted to two end fixing grooves of a paper tube shaft (7), a sliding rail (14) is fixedly connected to the bottom plate (1) through two fixing rods (13), a bidirectional screw (16) is rotatably connected to the bottom of the sliding rail (14) through fixing support plates (15) fixedly arranged at two ends of the sliding rail, a hand wheel I (17) is fixedly connected to one end of the bidirectional screw (16), and threaded blocks (18) are spirally connected to the outer wall, which is close to the two ends of the bidirectional screw (16), the bottom of the thread block (18) is fixedly connected with a positioning splint (20), and the bottom plate (1) is also fixedly connected with a leveling mechanism (23).
2. A paper positioning mechanism for a printing press as recited in claim 1, wherein: paper tube axle (7) are equipped with the cavity and install motor (8), the output shaft of motor (8) and the one end rigid coupling of two-way lead screw (9), two-way lead screw (9) rotate to be connected in paper tube axle (7), the equal screw drive of outer wall that two-way lead screw (9) are close to both ends is connected with silk braid (10), the lateral wall of two silk braids (10) all is articulated mutually through the inboard wall of four hinge bar (11) and four expansion piece (12), four equal swing joint of expansion piece (12) are in the pore of seting up on paper tube axle (7) outer wall.
3. A paper positioning mechanism for a printing press as recited in claim 1, wherein: and a sliding block (19) is fixedly connected to the thread block (18), and the sliding block (19) is connected in the sliding rail (14) in a sliding manner.
4. A paper positioning mechanism for a printing press as recited in claim 1, wherein: the lateral wall of location splint (20) is gone up the rigid coupling and is had connecting plate (21), and the bottom of connecting plate (21) is rotated and is connected with a plurality of equidistance and arranges registration roller (22) of establishing.
5. A paper positioning mechanism for a printing press as recited in claim 1, wherein: the fixing piece (6) and the fixing groove are in a matched cross shape.
6. A paper positioning mechanism for a printing press as recited in claim 1, wherein: leveling mechanism (23) include backup pad (2301) of two rigid couplings on bottom plate (1), it is connected with down squeeze roll (2302) to rotate between two backup pad (2301), the sliding tray has all been seted up in two backup pad (2301), sliding tray sliding connection has regulating block (2303), it is connected with squeeze roll (2304) to rotate between two regulating block (2303), regulating block (2303) are connected with the bottom rotation of adjusting screw (2305), adjusting screw (2305) threaded connection is on backup pad (2301) and the rigid coupling has hand wheel two (2306).
CN202121297910.2U 2021-06-10 2021-06-10 Paper positioning mechanism for printing machine Active CN215204029U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121297910.2U CN215204029U (en) 2021-06-10 2021-06-10 Paper positioning mechanism for printing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121297910.2U CN215204029U (en) 2021-06-10 2021-06-10 Paper positioning mechanism for printing machine

Publications (1)

Publication Number Publication Date
CN215204029U true CN215204029U (en) 2021-12-17

Family

ID=79424660

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121297910.2U Active CN215204029U (en) 2021-06-10 2021-06-10 Paper positioning mechanism for printing machine

Country Status (1)

Country Link
CN (1) CN215204029U (en)

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