CN216917900U

CN216917900U - Digital printing machine

Info

Publication number: CN216917900U
Application number: CN202220210659.XU
Authority: CN
Inventors: 沈崇江; 陈洁刚; 李岩霜; 潘林锋; 冯伟; 鲁建军
Original assignee: Zhejiang Binkang Printing & Dyeing Co ltd
Current assignee: Zhejiang Binkang Printing & Dyeing Co ltd
Priority date: 2022-01-25
Filing date: 2022-01-25
Publication date: 2022-07-08
Anticipated expiration: 2032-01-25

Abstract

The application relates to a digital printing machine, which relates to the technical field of printing equipment and comprises a rack, an unwinding roller, a gluing groove, a conveying roller and a conveying belt, wherein a deviation correcting device for correcting the deviation of cloth is arranged on the rack, the deviation correcting device comprises a guide roller, and the guide roller is arranged on the rack; the deviation correcting block is vertically arranged on the rack in a sliding manner; the deviation correcting roller is rotatably arranged on the deviation correcting block; the deviation rectifying detector is arranged on the rack; and the driving assembly is arranged on the rack and is used for driving the deviation rectifying block to move. This application detects the cloth position through the detector of rectifying, and drive assembly starts to drive and keeps away from the piece removal of rectifying of cloth skew side, and the piece removal of rectifying drives the roller of rectifying and the guide roll cooperation presss from both sides tight cloth and slows down conveying speed for the position of cloth deflects towards the one end that speed is more slowly when carrying. Therefore, the correction work of the cloth is finished, and the probability of poor printing quality caused by the position deviation of the cloth is reduced.

Description

Digital printing machine

Technical Field

The application relates to the technical field of printing equipment, in particular to a digital printing machine.

Background

Digital printing is printing by digital technology. The digital printing technology is a high and new technology product which integrates the mechanical and computer electronic information technologies and is gradually formed along with the continuous development of the computer technology.

In the related art, reference may be made to chinese utility model patent with publication number CN203371919U, which discloses a novel digital printing machine, comprising a frame, an unwinding roller, a sizing tank, a conveying roller, a blanket conveying belt, a printing mechanism, a heating device, a winding roller and a waste gas collecting device; wherein, the unwinding roller is positioned at one side of the frame, and the winding roller is positioned at the other side of the frame; the gluing groove and the conveying roller are respectively arranged on the frame, the blanket conveying belt is connected with the conveying roller, and the blanket conveying belt is driven by the conveying roller; the printing mechanism is positioned at one end above the blanket conveying belt; the heating device is arranged at the bottom of the blanket conveying belt; the waste gas collecting device is arranged at the top of the blanket conveying belt; the cloth is conveyed to the gluing groove through the cloth guide roller to be glued, and then is conveyed to the blanket conveying belt through the conveying roller to be printed through the printing mechanism.

Above-mentioned equipment is carrying out the in-process of stamp, and when the cloth advances to the conveyer belt after gluing, if the cloth produces the offset in the width direction of conveyer belt, then can lead to stamp offset on the cloth, reduced the stamp quality of cloth.

SUMMERY OF THE UTILITY MODEL

In order to guarantee the stamp quality of cloth, this application provides a digital calico printing machine.

The application provides a digital printing machine adopts following technical scheme:

the utility model provides a digital printing machine, includes the frame, unreels roller, rubberizing groove, conveying roller and conveyer belt, be provided with in the frame and be used for carrying out the deviation correcting device who rectifies to the cloth that gets into the conveyer belt, deviation correcting device is located between rubberizing groove and the conveyer belt, deviation correcting device is provided with two and is located cloth width direction's both ends respectively, deviation correcting device includes:

the guide roller is arranged on the rack and used for guiding the cloth onto the conveying belt;

the deviation rectifying block is vertically arranged on the rack in a sliding manner;

the deviation correcting roller is rotatably arranged on the deviation correcting block through a rotating shaft, a space for the cloth to pass through is formed between the deviation correcting roller and the guide roller, and the deviation correcting roller is matched with the guide roller to clamp the cloth under the action of the deviation correcting block;

the deviation rectifying detector is arranged on the rack and is used for detecting the position of the cloth;

and the driving assembly is arranged on the rack and is used for driving the deviation rectifying block to move.

Through adopting above-mentioned technical scheme, the cloth is derived from unreeling the roller and is moved to the guide roll on via the rubberizing of rubberizing groove, and the detector of rectifying detects the cloth position, detects cloth material position and has when squinting, and the drive assembly starts to drive the piece of rectifying that keeps away from the cloth skew side and removes, and the piece of rectifying removes and drives the roller of rectifying and remove, and the roller of rectifying removes and the tight cloth of guide roll cooperation clamp. The cloth speed of rectifying roller and guide roll cramping cloth one side slows down under the frictional force effect of rectifying roller and wire roller to produce the speed difference at the cloth both ends, the position of cloth when making to carry is deviated towards the one end that speed is more slow, when the detector of rectifying detects cloth position and returns, drive assembly starts to drive the piece of rectifying and breaks away from with the cloth. Therefore, the correction work of the cloth is finished, the probability of printing position deviation caused by the cloth position deviation is reduced, and the printing quality of the cloth is maintained.

Optionally, the driving assembly includes:

the rotating screw rod is rotatably arranged on the rack and is in a vertical state, and the deviation rectifying block is in threaded connection with the rotating screw rod;

the driving motor is arranged on the rack, an output shaft of the driving motor is connected with the rotating screw rod, and the driving motor is electrically connected with the deviation rectifying detector.

By adopting the technical scheme, when the deviation rectifying detector detects the deviation of the cloth position, the deviation rectifying detector drives the driving motor to start, the driving motor starts to drive the rotating screw rod to rotate, and the rotating screw rod rotates to drive the deviation rectifying block to move, so that the deviation rectifying detector controls the movement of the deviation rectifying block.

Optionally, be provided with in the frame and be used for driving the shifter of rectifying roller at cloth width direction horizontal migration, shifter includes:

the two sliding plates are horizontally arranged on the rack in a sliding manner along the width direction of the cloth and are vertically arranged, and the two deviation rectifying devices are respectively arranged on the two sliding plates;

the movable screw rod is in threaded connection with the two sliding plates, two sections of threads with opposite spiral lines are formed in the movable screw rod, and the two sliding plates are respectively positioned on the two sections of threads with opposite spiral lines;

and the limiting assembly is arranged on the rack and is used for limiting the movable screw rod in the rotating direction.

Through adopting above-mentioned technical scheme, when cloth width size adjustment, the spacing subassembly of unblock rotates the removal lead screw and adjusts the interval between two sliding plates, adjusts the roller of rectifying and cloth width adaptation on two sliding plates, and the back is accomplished in the adjustment, locks spacing subassembly to accomplish the work of rectifying to different width size cloth, enlarged the application scope of deviation correcting device to the cloth.

Optionally, the limiting assembly includes:

the limiting plate is arranged on the movable screw rod;

and the limiting screw is in threaded connection with the limiting plate and abuts against the side wall of the rack.

Through adopting above-mentioned technical scheme, the limiting plate sets up on removing the lead screw, twists the stop screw and keeps away from the frame, rotates the limiting plate and drives to remove the lead screw and rotate and adjust the interval between two sliding plates, and after the adjustment was accomplished, twists the stop screw and support tightly on the frame lateral wall to accomplish the spacing to rotating the lead screw.

Optionally, the roller of rectifying passes through coupling assembling and can dismantle the connection in the pivot, coupling assembling includes:

the connecting ring is arranged on the deviation rectifying roller and sleeved on the rotating shaft;

and the locking assembly is arranged on the rotating shaft and is used for limiting the position of the connecting ring in the axial direction of the rotating shaft.

Through adopting above-mentioned technical scheme, when the roller of rectifying damages, unblock locking subassembly removes the go-between and breaks away from with the pivot, changes the roller of rectifying, and the go-between cover on the roller of rectifying after will changing is established in the pivot, locks locking subassembly to accomplish the roller of rectifying and in the epaxial connection of dismantling of pivot.

Optionally, a sliding groove is formed in the side wall of the rotating shaft along the direction perpendicular to the axis of the rotating shaft, a locking hole corresponding to the sliding groove is formed in the connecting ring, and the locking assembly includes:

the spring is arranged in the sliding groove;

the bullet piece, the bullet piece is located the inslot that slides and is connected with the spring, the bullet piece top is worn out the groove that slides and is extended the locking hole and contradict with the go-between lateral wall down in the spring action.

Through adopting above-mentioned technical scheme, extrusion bullet piece compression spring is impressed the rock plate in the groove that slides, takes off the connecting ring and changes the roller of rectifying, changes the completion back, overlaps the connecting ring cover in the pivot, makes on the connecting ring locking hole correspond with the groove that slides, and the bullet piece is worn out the groove that slides outward and is pegged graft the cooperation with the locking hole at spring action lower top to accomplish to the connecting ring in changeing epaxial spacing.

Optionally, a chamfer convenient for sleeving the connecting ring is formed on the elastic block.

Through adopting above-mentioned technical scheme, set up the chamfer of slope on the bullet piece is close to one side lateral wall of rectifying the roller, and when the go-between emboliaed the pivot, the go-between contradicts with the chamfer and produces the component force that drives the bullet piece and get into the inslot that slides to need not artifical compression bullet piece and carry out the cover of go-between and establish, improved work efficiency.

Optionally, an air blowing pipe communicated with an air source is arranged on the frame, an air blowing nozzle inclined to the direction away from the cloth conveying direction is arranged at the bottom end of the air blowing pipe, and the air blowing nozzle is used for blowing flat the corrected cloth.

Through adopting above-mentioned technical scheme, aerify in the air supply start-up case gas blowing pipe, the blowing nozzle blows to the cloth upper surface, and the blowing nozzle blows the cloth after rectifying flat to the probability that the stamp effect is poor has been reduced because the cloth fold leads to.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the cloth position is detected through the deviation rectifying detector, when the deviation of the cloth position is detected, the driving assembly is started to drive the deviation rectifying block far away from the cloth deviation side to move, the deviation rectifying block moves to drive the deviation rectifying roller to move, and the deviation rectifying roller moves to be matched with the guide roller to clamp the cloth. The cloth speed of rectifying roller and guide roll cramping cloth one side slows down under the frictional force effect of rectifying roller and wire roller to produce the speed difference at the cloth both ends, the position of cloth when making to carry is deviated towards the one end that speed is more slow, when the detector of rectifying detects cloth position and returns, drive assembly starts to drive the piece of rectifying and breaks away from with the cloth. Therefore, the correction work of the cloth is finished, the probability of printing position deviation caused by the cloth position deviation is reduced, and the printing quality of the cloth is maintained;

2. when the deviation of the cloth position is detected by the deviation rectifying detector, the deviation rectifying detector drives the driving motor to start, the driving motor starts to drive the rotating screw rod to rotate, and the rotating screw rod rotates to drive the deviation rectifying block to move, so that the deviation rectifying detector controls the movement of the deviation rectifying block;

3. the air source starting box is used for inflating the air blowing pipe, the air blowing nozzle blows air to the upper surface of the cloth, the air blowing nozzle blows the corrected cloth flatly, and therefore the probability of poor printing effect caused by cloth wrinkles is reduced.

Drawings

FIG. 1 is a schematic perspective view of the present application;

FIG. 2 is a schematic structural diagram of a deviation correcting device according to the present application;

FIG. 3 is a schematic view of the construction of the connection mechanism of the present application;

figure 4 is a schematic view of the construction of the locking assembly of the present application wherein the connecting ring, spring and spring block have been exploded.

Reference numerals: 1. a frame; 11. unwinding rollers; 12. gluing a groove; 13. a conveying roller; 14. a conveyor belt; 15. fixing the rod; 2. a deviation correcting device; 21. a guide roller; 22. a deviation rectifying block; 23. a deviation rectifying roller; 24. a deviation-correcting detector; 25. a drive assembly; 251. rotating the screw rod; 252. a drive motor; 26. a chute; 27. a rotating shaft; 3. a moving mechanism; 31. a slide plate; 32. moving the screw rod; 33. a limiting component; 34. a moving groove; 35. a limiting plate; 36. a limit screw; 4. a connecting mechanism; 41. a connecting ring; 42. a locking assembly; 43. a locking hole; 44. a spring; 45. a spring block; 46. a sliding groove; 47. chamfering; 51. a connecting rod; 52. an air blowing pipe; 53. and a blowing nozzle.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a digital printing machine.

The deviation rectifying detector in the embodiment is a deviation rectifying detector of a PS-170A electric eye.

Referring to fig. 1, the digital printing machine comprises a frame 1, an unwinding roller 11 rotatably connected to the frame 1 and wound with cloth, a gluing tank 12 arranged on the frame 1 and used for gluing the cloth, a conveying belt 14 rotatably connected to the frame 1 and used for conveying the cloth to print and sleeved on the two conveying rollers 13, and a deviation correcting device 2 arranged on the frame 1 and used for correcting the deviation of the cloth entering the conveying belt 14.

Referring to fig. 1 and 2, the two deviation rectifying devices 2 are respectively arranged at two ends of the cloth, the frame 1 is provided with a moving mechanism 3 for adjusting the distance between the two deviation rectifying devices 2, the moving mechanism 3 comprises two sliding plates 31, a moving screw 32 and a limiting component 33, the upper surface of the frame 1 is provided with a horizontal moving groove 34 along the width direction of the cloth, and the two sliding plates 31 are slidably arranged in the moving groove 34; the movable screw rod 32 is in threaded connection with the two sliding plates 31 and is located in the movable groove 34, two sections of threads with opposite spiral lines are formed in the movable screw rod 32, and the two sliding plates 31 are located on the two sections of threads with opposite spiral lines respectively.

Referring to fig. 1 and 2, the limiting assembly 33 includes a limiting plate 35 and a limiting screw 36, one end of the movable screw 32 horizontally penetrates out of the frame 1, and the limiting plate 35 is fixedly connected to one end of the movable screw 32 penetrating out of the frame 1. The limiting screw 36 is in threaded connection with the limiting plate 35 and horizontally penetrates through the limiting plate 35 along the width direction of the cloth to abut against the outer side wall of the rack 1.

Referring to fig. 1 and 2, the deviation correcting device 2 includes a guide roller 21, a deviation correcting block 22, a deviation correcting roller 23, a deviation correcting detector 24, and a driving assembly 25. Two fixing rods 15 are fixed on the upper surface of the frame 1 at intervals along the width direction of the cloth, and the guide roller 21 is rotatably connected to two opposite inner side walls of the two fixing rods 15. Two relative inside walls of the sliding plates 31 are provided with vertical sliding grooves 26, and the deviation rectifying block 22 is installed in the sliding grooves 26 in a sliding manner. The deviation-rectifying detector 24 is fixedly connected to the side wall of the opposite side of the two sliding plates 31 and is positioned between the glue-applying groove 12 and the conveying belt 14, and the deviation-rectifying detector 24 detects the positions of two ends when the cloth is conveyed.

Referring to fig. 2 and 3, a horizontal rotating shaft 27 is rotatably connected to the side wall of the deviation rectifying block 22 facing the cloth, and the deviation rectifying roller 23 is detachably connected to the rotating shaft 27 through the connecting mechanism 4.

Referring to fig. 3 and 4, the connection mechanism 4 includes a connection ring 41 and a locking assembly 42, the connection ring 41 is fixedly connected to a side wall of the rectification roller 23 near the sliding plate 31 and is sleeved on the rotation shaft 27, and a locking hole 43 is formed in the connection ring 41. The locking assembly 42 is used for locking the position of the connecting ring 41 on the rotating shaft 27 along the axial direction of the rotating shaft 27, the locking assembly 42 comprises a spring 44 and an elastic block 45, a sliding groove 46 is formed in the side wall of the rotating shaft 27, and the elastic block 45 is slidably mounted in the sliding groove 46. One end of the spring 44 is fixedly connected to the inner bottom wall of the sliding slot 46, and the other end of the spring 44 is fixedly connected to the side wall of the spring block 45 close to the inner bottom wall of the sliding slot 46. The spring block 45 passes through the sliding slot 46 at the top under the action of the spring 44 and is in plug fit with the locking hole 43. An inclined chamfer 47 is formed on the side wall of the top of the elastic block 45 close to the rectification roller 23, and the height of the chamfer 47 close to the rectification roller 23 is lower than that of the side far away from the rectification roller 23.

Referring to fig. 1 and 2, the driving assembly 25 is disposed on the sliding plate 31 and used for driving the deviation rectifying block 22 to move, the driving assembly 25 includes a rotating screw rod 251 and a driving motor 252, the rotating screw rod 251 is rotatably connected to the sliding plate 31 and is located in the sliding groove 26 and vertically disposed, the top end of the rotating screw rod 251 penetrates through the sliding plate 31, and the deviation rectifying block 22 is threadedly connected to the rotating screw rod 251. The driving motor 252 is fixedly connected to the upper surface of the sliding plate 31, and the output shaft is fixedly connected to the top end of the rotary screw 251. The deviation rectifying detector 24 is electrically connected with a controller for controlling the operation of the driving motor 252, and the driving motor 252 is electrically connected with the controller.

Referring to fig. 1 and 2, two connecting rods 51 are fixedly connected to the upper surface of the frame 1 at intervals along the width direction of the fabric, an air blowing pipe 52 communicated with an air source is fixedly connected to the top ends of the two connecting rods 51, and a plurality of air blowing nozzles 53 are uniformly and fixedly connected to the lower surface of the air blowing pipe 52 along the width direction of the fabric. The blowing nozzle 53 is inclined from the blowing pipe 52 toward the guide roller 21.

The working principle of the embodiment of the application is as follows:

after the cloth is fed from the unwinding roller 11 and is glued through the gluing groove 12, the cloth moves onto the guide roller 21, the deviation rectifying detector 24 detects the position of the cloth, when the deviation of the position of the cloth is detected, the driving set motor is started to drive the deviation rectifying block 22 far away from the deviation side of the cloth to move, the deviation rectifying block 22 moves to drive the deviation rectifying roller 23 to move, and the deviation rectifying roller 23 moves to be matched with the guide roller 21 to clamp the cloth. The cloth speed that rectification roller 23 and guide roll 21 press from both sides tight cloth one side slows down under the frictional force effect of rectification roller 23 and wire roller to produce the difference in speed at the cloth both ends, the position of cloth when making the transport is towards the one end skew that speed is more slow, when the detector 24 of rectifying a deviation detects cloth position and returns, drive assembly 25 starts to drive and rectifies a deviation 22 and break away from with the cloth. Therefore, the correction work of the cloth is finished, the probability of printing position deviation caused by the cloth position deviation is reduced, and the printing quality of the cloth is maintained.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, 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 digital printing machine, includes frame (1), unreels roller (11), rubberizing groove (12), conveying roller (13) and conveyer belt (14), its characterized in that: be provided with deviation correcting device (2) that are used for rectifying a deviation to the cloth that gets into conveyer belt (14) on frame (1), deviation correcting device (2) are located between rubberizing groove (12) and conveyer belt (14), deviation correcting device (2) are provided with two and are located cloth width direction's both ends respectively, deviation correcting device (2) include:

the guide roller (21) is arranged on the rack (1) and is used for guiding cloth onto the conveying belt (14);

the deviation rectifying block (22), the deviation rectifying block (22) is vertically arranged on the rack (1) in a sliding manner;

the cloth correcting device comprises a correcting roller (23), wherein the correcting roller (23) is rotatably arranged on a correcting block (22) through a rotating shaft (27), a space for cloth to pass through is formed between the correcting roller (23) and a guide roller (21), and the correcting roller (23) is matched with the guide roller (21) to clamp the cloth under the action of the correcting block (22);

the deviation rectifying detector (24), the deviation rectifying detector (24) is arranged on the rack (1) and is used for detecting the position of the cloth;

the driving component (25) is arranged on the rack (1) and is used for driving the deviation rectifying block (22) to move.

2. A digital printing machine as claimed in claim 1, wherein: the drive assembly (25) comprises:

the rotating screw rod (251), the rotating screw rod (251) is rotatably arranged on the rack (1) and is in a vertical state, and the deviation rectifying block (22) is in threaded connection with the rotating screw rod (251);

the driving motor (252), the driving motor (252) sets up on frame (1) and the output shaft is connected with rotation lead screw (251), driving motor (252) and rectifying detector (24) electricity are connected.

3. A digital printing machine as claimed in claim 1, wherein: be provided with on frame (1) and be used for driving movement mechanism (3) of rectifying roller (23) at cloth width direction horizontal migration, movement mechanism (3) include:

the two sliding plates (31) are horizontally arranged on the rack (1) in a sliding manner along the width direction of the cloth and are vertically arranged, and the two deviation rectifying devices (2) are respectively arranged on the two sliding plates (31);

the movable screw rod (32) is in threaded connection with the two sliding plates (31), two sections of threads with opposite spiral lines are arranged on the movable screw rod (32), and the two sliding plates (31) are respectively positioned on the two sections of threads with opposite spiral lines;

the limiting assembly (33) is arranged on the rack (1) and used for limiting the movable screw rod (32) in the rotating direction.

4. A digital printing machine as claimed in claim 3, wherein: the stop assembly (33) comprises:

the limiting plate (35), the limiting plate (35) is arranged on the movable screw rod (32);

the limiting screw rod (36), the limiting screw rod (36) and the limiting plate (35) are in threaded connection and are abutted against the side wall of the rack (1).

5. A digital printing machine as claimed in claim 1, wherein: rectify roller (23) and can dismantle through coupling mechanism (4) and connect on pivot (27), coupling mechanism (4) include:

the connecting ring (41), the connecting ring (41) is arranged on the deviation rectifying roller (23) and sleeved on the rotating shaft (27);

and the locking assembly (42) is arranged on the rotating shaft (27) and is used for limiting the position of the connecting ring (41) in the axial direction of the rotating shaft (27).

6. A digital printing machine according to claim 5, wherein: the lateral wall of the rotating shaft (27) is provided with a sliding groove (46) along the axial direction perpendicular to the rotating shaft (27), the connecting ring (41) is provided with a locking hole (43) corresponding to the sliding groove (46), and the locking assembly (42) comprises:

a spring (44), the spring (44) being disposed within the glide slot (46);

the elastic block (45) is positioned in the sliding groove (46) and connected with the spring (44), and the top of the elastic block (45) penetrates out of the sliding groove (46) under the action of the spring (44) and extends out of the locking hole (43).

7. A digital printing machine according to claim 6, wherein: the elastic block (45) is provided with a chamfer (47) which is convenient for the connecting ring (41) to be sleeved.

8. A digital printing machine as claimed in claim 1, wherein: the machine frame (1) is provided with an air blowing pipe (52), the bottom end of the air blowing pipe (52) is uniformly provided with a plurality of air blowing nozzles (53) which deviate from the cloth conveying direction and are inclined downwards, and the air blowing nozzles (53) are used for blowing flat the corrected cloth.