CN212981942U

CN212981942U - Paper tension adjusting device of color printing machine

Info

Publication number: CN212981942U
Application number: CN202021849150.7U
Authority: CN
Inventors: 李建昌; 林继飞; 彭凯歌
Original assignee: Henan Zhixin Plastic Industry Co ltd
Current assignee: Henan Zhixin Plastic Industry Co ltd
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2021-04-16
Anticipated expiration: 2030-08-27

Abstract

The utility model belongs to the technical field of the technique of printing machine and specifically relates to a color printing machine paper rate of tension adjusting device is related to, which comprises a frame, be provided with in the frame and be used for carrying out the conveyor that carries out the paper, be provided with overspeed device tensioner in the frame, overspeed device tensioner is including being used for carrying out the tensioning to the paper tensioning the tensioning roller, a mounting bracket that is used for driving the tensioning roller and carries out the drive assembly of tensioning to the paper and be used for installing the tensioning roller, the mounting bracket sets up in the frame, drive assembly and tensioning roller all set up on the mounting bracket, the tensioning roller butt is on the paper, drive assembly drive tensioning roller extrudees the. This application has and to make the paper tensioning to the higher effect of the transport efficiency who makes the paper.

Description

Paper tension adjusting device of color printing machine

Technical Field

The application relates to the technical field of printing machines, in particular to a paper tension adjusting device of a color printing machine.

Background

Current printers are machines that print text and images. Modern printing presses typically consist of mechanisms for plating, inking, stamping, feeding (including folding), etc. The principle is that the characters or 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 of the printing plate with characters and images by manual or printing machine, then it is directly or indirectly transferred onto paper or other printing material. The color of the printed finished product is printed by coating ink on a printing plate roller arranged on a printing machine, and different products have various requirements on the color.

Current publication number is CN 211034488U's chinese patent discloses a paper feed mechanism for printing machine, which comprises a supporting fram, the inside rotation of support frame has the conveying roller, the rotating electrical machines is installed to the both sides of conveying roller, one side of support frame runs through there is the exit slot, in operation, with the rotating electrical machines with drive roller outside motor respectively with power electric connection, the paper carries out the inboard of swivel transport to the exit slot through the conveying roller, the rotating electrical machines drives conveying roller and swivel bearing respectively and rotates, swivel bearing drives rotatory ring and rotates, rotatory ring drives the outside that the gyro wheel laminated to the paper, the gyro wheel clears up paper outside dust impurity.

The above prior art solutions have the following drawbacks: although the paper feeding mechanism for a printing machine can feed paper, the paper cannot be tensioned during the feeding of the paper on the feeding roller, and the feeding efficiency of the paper is low.

SUMMERY OF THE UTILITY MODEL

The utility model provides a color printing machine paper rate of tension adjusting device, it is through being provided with overspeed device tensioner in the frame, and drive assembly drives the motion of tensioning roller, extrudees the paper, can make the paper tensioning to the conveying efficiency who makes the paper is higher.

The above object of the present invention is achieved by the following technical solutions:

the utility model provides a color press paper rate of tension adjusting device, includes the frame, be provided with in the frame and be used for carrying out the conveyor who carries to the paper, be provided with overspeed device tensioner in the frame, overspeed device tensioner carries out the tensioning roller of tensioning, is used for driving the tensioning roller to carry out the drive assembly of tensioning and be used for carrying out the mounting bracket installed to the tensioning roller to the paper including being used for carrying out the paper, the mounting bracket sets up in the frame, drive assembly and tensioning roller all set up on the mounting bracket, the tensioning roller butt is on the paper, drive assembly drive tensioning roller extrudees the paper.

Through adopting above-mentioned technical scheme, be provided with overspeed device tensioner in the frame, install drive assembly and tensioning roller through the mounting bracket, drive assembly drives the tensioning roller motion, extrudees the paper, can make the paper tensioning to the conveying efficiency who makes the paper is higher.

The application is further configured to: be provided with the link on the mounting bracket, be provided with the dancer roll on the link, dancer roll and tensioning roller set up along the interval on the slip direction of tensioning roller, dancer roll and tensioning roller set up respectively in the both sides of paper.

Through adopting above-mentioned technical scheme, be provided with the regulating roller on the link, can be to the lower surface butt of cardboard through the regulating roller to the tensioning, thereby can make paper and conveyor's contact surface great, prevent that the range that the paper needs the tensioning is great, the tensioning roller extrudees the paper, and paper and conveyor rotate to the direction of keeping away from conveyor, lead to paper and conveyor's contact surface less, make conveyor lower to the conveying efficiency of paper.

The application is further configured to: the driving assembly is connected with the connecting frame by inserting the locking device into the locking hole.

Through adopting above-mentioned technical scheme, be provided with locking device on the drive assembly, pass the below back of tensioning roller with the paper, through locking device with the link installation drive assembly on, when can making operating personnel pass the paper between tensioning roller and the dancer roll, it is more convenient, avoid operating personnel can't pass between paper dancer roll and the tensioning roller.

The application is further configured to: the locking device comprises a support frame and a locking rod, the support frame is arranged on the driving assembly, the locking rod penetrates through the support frame, the locking rod is in sliding fit with the support frame, and one end, close to the connecting frame, of the locking rod penetrates through the locking hole.

Through adopting above-mentioned technical scheme, through the setting of support frame, can carry out convenient installation to the check lock lever, simultaneously through inserting the check lock lever locking downthehole, can realize the fixed locking between link and the check lock lever, the simple operation.

The application is further configured to: the locking device is characterized in that a separation blade is fixedly arranged on the locking rod, a reset spring is sleeved on the locking rod, two ends of the reset spring are fixedly connected with the support frame and the separation blade respectively, and the reset spring extrudes and locks the separation blade.

Through adopting above-mentioned technical scheme, through reset spring's setting, make the check lock lever insert the downthehole back of locking, can extrude reset spring, reset spring releases elastic restoring force, promotes the separation blade, makes the check lock lever be in the locking downthehole all the time to make the fixed connection between check lock lever and the link more stable.

The application is further configured to: the drive assembly includes driving motor, rotation screw rod and carriage, driving motor is fixed to be set up on the mounting bracket, rotate the coaxial fixation of screw rod on driving motor's output shaft, the carriage cover is located and is rotated on the screw rod, carriage and rotation screw rod screw-thread fit, the tensioning roller rotates to be connected on the carriage.

Through adopting above-mentioned technical scheme, start driving motor, drive and rotate the screw rod and rotate, can drive the carriage and slide along rotating the screw rod to can drive the motion of tensioning roller, extrude the paper, can realize the tensioning to the paper, the simple operation.

The application is further configured to: be provided with the guider who is used for leading to the slip of carriage on the carriage, guider installs on the mounting bracket.

Through adopting above-mentioned technical scheme, be provided with guider on the carriage, when can making the carriage slide on the mounting bracket through guider, it is more high-efficient, stable.

The application is further configured to: the guide device comprises a guide rod and a guide block, the guide rod is arranged on the mounting frame, the guide block is sleeved on the guide rod, the guide block is in sliding fit with the guide rod, and the guide block is fixedly connected with the sliding frame.

Through adopting above-mentioned technical scheme, guide block and carriage fixed connection, when the carriage slided on the mounting bracket, can drive the guide block and slide simultaneously to the guide block slides on the guide bar, makes the slip of carriage more stable.

To sum up, the beneficial technical effect of this application does:

1. the tensioning device is arranged on the rack, the driving assembly drives the tensioning roller to move to extrude the paper, so that the paper can be tensioned, and the paper conveying efficiency is high;

2. the connecting frame is provided with the adjusting roller, the lower surface of the paperboard can be abutted and tensioned through the adjusting roller, so that the contact surface between the paper and the conveying device is larger, the paper is prevented from being extruded by the tensioning roller when the paper needs to be tensioned to a larger extent, the paper and the conveying device rotate in the direction far away from the conveying device, the contact surface between the paper and the conveying device is smaller, and the conveying efficiency of the conveying device on the paper is lower;

3. through being provided with locking device on drive assembly, pass the below back of tensioning roller with the paper, through locking device with the link installation on drive assembly, when can making operating personnel pass the paper between tensioning roller and the regulating roller, it is more convenient, avoid operating personnel can't pass between paper regulating roller and the tensioning roller.

Drawings

FIG. 1 is a partial cross-sectional view of the present application;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a schematic structural view showing a connection relationship of the sliding frame and the link frame;

fig. 4 is a partially enlarged view at B in fig. 3.

Reference numerals: 1. a frame; 2. a conveying device; 21. unwinding rollers; 22. a conveying roller; 3. a tensioning device; 31. a tension roller; 32. a drive assembly; 321. a drive motor; 322. rotating the screw; 323. a carriage; 33. a mounting frame; 4. a connecting frame; 41. a regulating roller; 42. a locking hole; 5. a locking device; 51. a support frame; 52. a locking lever; 6. a baffle plate; 7. a return spring; 8. a guide device; 81. a guide bar; 82. a guide block; 9. a clamping device; 91. a hand wheel; 92. a first bevel gear; 93. a second bevel gear; 94. rotating the screw; 95. a clamping block; 96. and a bearing.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

Referring to fig. 1 and 2, a paper tension adjusting device for a color printing machine disclosed by the present application includes a frame 1, a conveying device 2 for conveying paper is disposed on the frame 1, and a tensioning device 3 is disposed on the frame 1. When paper needs to be conveyed, a paper roll is placed on the rack 1, the paper is conveyed through the conveying device 2, and the paper is kept in a tensioning state in the conveying process through the tensioning device 3 in the conveying process.

Referring to fig. 1 and 3, the conveying device 2 includes an unwinding roller 21 and a conveying roller 22, the unwinding roller 21 and the conveying roller 22 are both disposed on the frame 1, and are in running fit with the frame 1, the paper roll is sleeved on the unwinding roller 21, and the paper roll is unwound by rotating the unwinding roller 21. Referring to fig. 2, the frame 1 is provided with a clamping device 9, and after the paper roll is set on the unwinding roller 21, the unwinding roller 21 is limited by the clamping device 9. The clamping device 9 comprises a hand wheel 91, a first bevel gear 92 and a second bevel gear 93, the hand wheel 91 is arranged on the rack 1, the rack 1 rotatably supports the hand wheel 91, the first bevel gear 92 is fixedly sleeved on the hand wheel 91, the second bevel gear 93 abuts against the first bevel gear 92, and the first bevel gear 92 is meshed with the second bevel gear 93. After the unwinding roller 21 is placed on the frame 1, a user rotates the hand wheel 91 to drive the first bevel gear 92 to rotate and drive the second bevel gear 93 to rotate. Two 93 internal fixation of bevel gear wear to be equipped with rotatory screw rod 94, and the screw thread at rotatory screw rod 94 both ends is reverse screw thread, and the both ends cover of rotatory screw rod 94 is equipped with grip block 95, and two grip blocks 95 all with rotatory screw rod 94 screw-thread fit, when two 93 rotations of bevel gear, can drive rotatory screw rod 94 and rotate, drive two grip blocks 95 and do the motion that is close to each other on frame 1, carry out spacing processing to unreeling roller 21. The holding block 95 is provided with a bearing 96, the outer surface of the bearing 96 is abutted against the unwinding roller 21, and the bearing 96 is rotatably matched with the unwinding roller 21. After the unreeling roller 21 is installed, paper is conveyed through the conveying roller 22, a winding device is arranged at one end, far away from the unreeling roller 21, of the rack 1, and the paper is wound through the winding device in the conveying process.

Referring to fig. 1 and 2, the tensioning device 3 includes a tension roller 31 for tensioning the paper, a driving assembly 32 for driving the tension roller 31 to tension the paper, and a mounting bracket 33 for mounting the tension roller 31, the mounting bracket 33 is disposed on the frame 1, and the driving assembly 32 and the tension roller 31 are both disposed on the mounting bracket 33. Referring to fig. 3, the sheet is transported while passing under the tension roller 31.

Referring to fig. 1 and 3, the connecting frame 4 is provided on the mounting frame 33, the adjusting roller 41 is provided on the connecting frame 4, and the connecting frame 4 is fixedly mounted on the driving unit 32 after the paper passes under the tension roller 31. Referring to fig. 4, the connecting frame 4 is provided with a locking hole 42, the driving assembly 32 is provided with a locking device 5 for locking the driving assembly 32 and the connecting frame 4, and when the connecting frame 4 is mounted on the driving assembly 32, the locking device 5 is inserted into the locking hole 42. Locking device 5 includes support frame 51 and check lock lever 52, and support frame 51 sets up on drive assembly 32, and check lock lever 52 wears to locate in support frame 51, check lock lever 52 and support frame 51 sliding fit, when installing link 4 on drive assembly 32, remove link 4 to drive assembly 32 department to promote check lock lever 52, make check lock lever 52 be close to link 4 one end insert the locking hole 42 in, can install link 4 on drive assembly 32. The locking rod 52 is fixedly provided with a blocking piece 6, the locking rod 52 is sleeved with a return spring 7, two ends of the return spring 7 are respectively fixedly connected with the support frame 51 and the blocking piece 6, the return spring 7 is extruded after the locking rod 52 is inserted into the locking hole 42, and the return spring 7 extrudes and locks the blocking piece 6 to enable the locking rod 52 to be always positioned in the locking hole 42.

Referring to fig. 3 and 4, after the attachment frame 4 is installed, the adjustment roller 41 and the tension roller 31 are spaced apart from each other in the sliding direction of the tension roller 31, so that the adjustment roller 41 and the tension roller 31 are disposed on both sides of the paper, respectively, and then the driving unit 32 is actuated to tension the paper. Referring to fig. 1, the driving assembly 32 includes a driving motor 321, a rotating screw 322 and a sliding frame 323, the driving motor 321 is fixedly disposed on the mounting frame 33, and the rotating screw 322 is coaxially fixed on an output shaft of the driving motor 321. The driving motor 321 is started to drive the rotating screw 322 to rotate. The sliding frame 323 is sleeved on the rotating screw rod 322, the sliding frame 323 is in threaded fit with the rotating screw rod 322, and when the rotating screw rod 322 rotates, the sliding frame 323 is driven to slide on the mounting frame 33 in the direction close to the ground, the tensioning roller 31 abuts against the paper, the tensioning roller 31 pushes the paper, the paper is extruded, and the paper can be tensioned to a small extent. The tension roller 31 is rotatably connected to the carriage 323, so that the tension roller 31 and the sheet can slide relative to each other, and the sheet can be efficiently conveyed. When the paper needs to be greatly tensioned, the driving motor 321 is started to drive the rotating screw rod 322 to rotate reversely, so that the sliding frame 323 slides on the mounting frame 33 in the direction away from the ground, the adjusting roller 41 abuts against the paper, the paper is pushed by the adjusting roller 41 and is extruded, and the paper can be greatly tensioned.

Referring to fig. 3, the sliding frame 323 is provided with a guide 8 for guiding the sliding of the sliding frame 323, and the guide 8 is mounted on the mounting frame 33. The guiding device 8 comprises a guiding rod 81 and a guiding block 82, the guiding rod 81 is fixedly arranged on the mounting frame 33, the guiding rod 81 is sleeved with the guiding block 82, and the guiding block 82 is fixedly connected with the sliding frame 323. When the sliding frame 323 slides on the mounting rack 33, the guide block 82 can be driven to move at the same time, and the guide block 82 is in sliding fit with the guide rod 81, so that the guide block 82 slides along the guide rod 81, and the sliding frame 323 can slide more stably.

The implementation principle of the embodiment is as follows: when paper needs to be conveyed, the paper is firstly wound and sleeved on the unwinding roller 21, the unwinding roller 21 is placed on the rack 1, a user rotates the hand wheel 91 to drive the first bevel gear 92 to rotate and drive the second bevel gear 93 to rotate, the rotary screw 94 is driven to rotate, the two clamping blocks 95 are driven to move close to each other in the rack 1, and the unwinding roller 21 is limited. Then, the paper is passed under the tension roller 31, the connecting frame 4 is moved to the sliding frame 323, the locking rod 52 is pulled in the direction away from the connecting frame 4, the blocking piece 6 is driven to extrude the return spring 7, after the connecting frame 4 is moved, the locking rod 52 is loosened, the return spring 7 releases the elastic restoring force, the locking rod 52 is driven to be inserted into the locking hole 42, and the connecting frame 4 is installed. Then, when the paper is tensioned to a small extent, the driving motor 321 is started to drive the rotating screw 322 to rotate, the sliding frame 323 is driven to slide on the mounting frame 33 in a direction close to the ground, and the tensioning roller 31 pushes the paper and extrudes the paper. When the paper is greatly tensioned, the driving motor 321 is started to drive the rotating screw 322 to rotate reversely, so that the sliding frame 323 slides on the mounting frame 33 in the direction away from the ground, and the adjusting roller 41 pushes the paper and extrudes the paper. And then, rotating the unwinding roller 21, unwinding the paper roll by the unwinding roller 21, and conveying the paper by the conveying roller 22, wherein a winding device is arranged at one end of the rack 1, which is far away from the unwinding roller 21, to wind the paper in the conveying process.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the 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. The utility model provides a color press paper rate of tension adjusting device, includes frame (1), its characterized in that, be provided with in frame (1) and be used for carrying out conveyor (2) that carry out the paper, be provided with overspeed device tensioner (3) in frame (1), overspeed device tensioner (3) including be used for carrying out tensioning roller (31) to the paper, be used for driving tensioning roller (31) to carry out the drive assembly (32) of tensioning and be used for carrying out mounting bracket (33) installed to tensioning roller (31) to the paper, mounting bracket (33) set up in frame (1), drive assembly (32) and tensioning roller (31) all set up on mounting bracket (33), tensioning roller (31) butt on the paper, drive assembly (32) drive tensioning roller (31) extrude the paper.

2. The tension adjusting device for color printer paper according to claim 1, wherein: be provided with link (4) on mounting bracket (33), be provided with adjusting roller (41) on link (4), interval setting on the slip direction of adjusting roller (41) and tensioning roller (31) along tensioning roller (31), adjusting roller (41) and tensioning roller (31) set up respectively in the both sides of paper.

3. The tension adjusting device for color printer paper according to claim 2, wherein: the locking device is characterized in that a locking hole (42) is formed in the connecting frame (4), a locking device (5) used for locking the driving assembly (32) and the connecting frame (4) is arranged on the driving assembly (32), and the driving assembly (32) is connected with the connecting frame (4) by inserting the locking device (5) into the locking hole (42).

4. The tension adjusting device for color printer paper according to claim 3, wherein: locking device (5) include support frame (51) and check lock pole (52), support frame (51) set up on drive assembly (32), check lock pole (52) wear to locate in support frame (51), check lock pole (52) and support frame (51) sliding fit, and check lock pole (52) are close to the one end of link (4) and wear to locate in locking hole (42).

5. The tension adjusting device for color printer paper according to claim 4, wherein: the locking device is characterized in that a blocking piece (6) is fixedly arranged on the locking rod (52), a reset spring (7) is sleeved on the locking rod (52), two ends of the reset spring (7) are fixedly connected with the support frame (51) and the blocking piece (6) respectively, and the reset spring (7) extrudes and locks the blocking piece (6).

6. The tension adjusting device for color printer paper according to claim 1, wherein: drive assembly (32) include driving motor (321), rotate screw rod (322) and carriage (323), driving motor (321) are fixed to be set up on mounting bracket (33), rotate screw rod (322) coaxial fixation on the output shaft of driving motor (321), carriage (323) cover is located and is rotated screw rod (322), carriage (323) and rotation screw rod (322) screw-thread fit, tensioning roller (31) rotate to be connected on carriage (323).

7. The tension adjusting device for color printer paper according to claim 6, wherein: the sliding frame (323) is provided with a guide device (8) used for guiding the sliding of the sliding frame (323), and the guide device (8) is installed on the installation frame (33).

8. The tension adjusting device for color printer paper according to claim 7, wherein: guider (8) include guide bar (81) and guide block (82), guide bar (81) set up on mounting bracket (33), guide block (82) cover is located on guide bar (81), guide block (82) and guide bar (81) sliding fit, and guide block (82) and carriage (323) fixed connection.