CN210192907U

CN210192907U - Rolling device of printing machine

Info

Publication number: CN210192907U
Application number: CN201921059780.1U
Authority: CN
Inventors: Weimin Li; 李伟民
Original assignee: Shaoxing Alternate Textile Co Ltd
Current assignee: Shaoxing Watson Printing Co., Ltd
Priority date: 2019-07-08
Filing date: 2019-07-08
Publication date: 2020-03-27
Anticipated expiration: 2029-07-08

Abstract

The utility model relates to a rolling device of a printing machine, which belongs to the technical field of the printing machine and comprises a frame, an air expansion shaft is rotatably arranged on the frame, a driving device is also arranged on the frame, a fastening device is arranged on the frame, the fastening device comprises a rotating roller rotatably arranged on the frame, an installation block is arranged at one end of the rotating roller close to the air expansion shaft, one side of the installation block far away from the rotating roller is provided with an installation groove, the peripheral side wall of the installation block and one end far away from the rotating roller are provided with a first clamping groove, an inclined second clamping groove and a first clamping groove are also arranged on the installation block at one side of the first clamping groove close to the rotating roller, the second clamping groove and the mounting groove are communicated with each other, the rotating rod is further installed on the side wall of the mounting block, the rotating rod is rotatably installed with a clamping ring sleeved on the mounting block, a through hole is formed in the clamping ring, the through hole is connected with the mounting block in a sliding mode, clamping blocks are arranged at two ends of the air expansion shaft, and the clamping blocks are connected with the mounting groove in a clamping mode. The utility model discloses have the difficult wearing and tearing effect of inflatable shaft.

Description

Rolling device of printing machine

Technical Field

The utility model belongs to the technical field of the technique of calico printing machine and specifically relates to a coiling mechanism of calico printing machine is related to.

Background

Whether unreel among the present calico printing machine or the rolling generally can use the inflatable shaft, the operating characteristic of inflatable shaft leads to its needs frequent dismouting, and needs to have higher precision, and present inflatable shaft fixed mode generally is through the bolt fastening, though overall structure is simple, but the dismouting often needs the instrument of use, but is more complicated during the dismouting, and often need consider whether it locks completely, and is more consuming time power.

For example, chinese patent No. CN203945785U discloses a locking mechanism for an inflatable shaft of a gravure printing machine; the automatic press roll fixing device comprises a frame, the bearing roller is installed to the frame upper end, the frame upper end articulates there is the compression roller frame, installs the compression roller through the pivot on the compression roller frame, and the upper end of frame is equipped with the bolt hole, is equipped with the bolt mounting hole on the compression roller frame that corresponds to the bolt hole, is equipped with the spring holder on the inner wall of bolt mounting hole, the plug-in mounting has fixing bolt in the bolt mounting hole, fixing bolt's upper end fixed connection hand wheel, the last cover of fixing bolt is equipped with the spring, and the both ends of spring set up respectively.

The above prior art solutions have the following drawbacks: although the bolt fixing mode is improved compared with the simplest bolt fixing mode, the fastening mode is that the air expansion shaft is supported through two carrier rollers below, the compression roller on the compression roller frame positions the air expansion shaft, and the air expansion shaft, the carrier rollers and the compression roller are in rolling friction, but after a heavier cloth roll or paper roll is installed, the relative movement still generates larger abrasion.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a coiling mechanism of calico printing machine, it has the difficult effect that weares and teares of inflatable shaft.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a winding device of a printing machine comprises a rack, wherein an air expansion shaft is rotatably arranged on the rack, a driving device for driving the air expansion shaft is further arranged on the rack, a fastening device for fastening the air expansion shaft is arranged on the rack, the fastening device comprises a rotating roller rotatably arranged on the rack, an installation block is arranged at one end, close to the air expansion shaft, of the rotating roller, one side, far away from the rotating roller, of the installation block is provided with an installation groove, a first clamping groove is formed in the peripheral side wall of the installation block and one end, far away from the rotating roller, of the installation block, an inclined second clamping groove is further formed in the installation block at one side, close to the rotating roller, of the first clamping groove, the second clamping groove and the installation groove are mutually communicated, a rotating rod is further arranged on the side wall of the installation block, and a clamping ring sleeved on the installation block is rotatably arranged on the rotating rod, the clamping ring is provided with a through hole, the through hole is connected with the mounting block in a sliding mode, clamping blocks are arranged at two ends of the air expansion shaft, and the clamping blocks are connected with the mounting groove in a clamping mode.

Through adopting above-mentioned technical scheme, when needs installation inflatable shaft, in inserting the fixture block joint into the mounting groove, rotate the snap ring afterwards, because the second draw-in groove sets up for the slope, therefore although the rotation orbit of snap ring is the circular arc, still can not form the interference with the installation piece, the snap ring forms the fastening to the clamp piece afterwards, because need not twist bolt etc. only need rotate the snap ring and can fix the fixture block on the snap ring, rethread drive revolving roller rotates, revolving roller rotates and drives the installation piece and rotate, the installation piece drives the inflatable shaft rotation of joint with it again, because inflatable shaft and fixture block do not have relative motion, therefore inflatable shaft is hardly worn and torn, the wearing and tearing of inflatable shaft and fixture block have been reduced, not only guaranteed inflatable shaft's rotation precision, the life of coiling mechanism has also been improved.

The utility model discloses further set up to: the first clamping groove is far away from one end of the rotary roller, a limiting block is installed at one end of the rotary roller, and the limiting block is abutted to the side wall of the clamping ring.

Through adopting above-mentioned technical scheme, when the snap ring rotated, thereby easy turned angle too big break away from the fastening to the inflatable shaft, the stopper that adds had injectd the biggest turned angle of snap ring pivoted, had reduced the snap ring and had broken away from the possibility to the fastening of inflatable shaft.

The utility model discloses further set up to: the through hole is close to seted up the spring groove on the inner wall of first draw-in groove one side, spring inslot fixed mounting has fastening spring, fastening spring is close to the one end of mounting groove is installed the mounting plate, the mounting plate is in fastening spring's promotion down with the fixture block supports tightly.

By adopting the technical scheme, the rotation path of the clamping ring is an arc, so that the rotation angle of the through hole is also an arc, a gap must exist between the inner wall of the through hole and the first clamping groove to avoid the interference of the through hole and the mounting block, and the clamping block and the inner wall of the through hole are not tightly abutted, so that the clamping block has sliding allowance, and the rotation precision of the air expansion shaft is reduced; and through setting up the mounting plate, the mounting plate makes the fixture block not have gliding surplus with fixture block butt under fastening spring's promotion, has improved the rotational accuracy of inflatable shaft.

The utility model discloses further set up to: the clamp ring is provided with a locking hole, a fastening bolt is installed in the locking hole through threads, and the fastening bolt is abutted against one end, close to the fastening bolt, of the fastening piece.

Through adopting above-mentioned technical scheme, through twisting fastening bolt, further promote the mounting plate, further improved the tight state of support of mounting plate and fixture block, also further improved the rotational accuracy of inflatable shaft.

The utility model discloses further set up to: the hand wheel is installed to the one end that fastening bolt kept away from the mounting plate, the cladding has the skid resistant course on the hand wheel.

By adopting the technical scheme, the torque formula can be used for obtaining larger torque, and the hand wheel can obtain larger torque through smaller force, so that the force required for rotating the fastening bolt is reduced, and the labor intensity of workers is reduced.

The utility model discloses further set up to: the driving device comprises a driving motor which is fixedly installed on the rack, a first gear is installed on a rotating shaft of the driving motor, and a second gear meshed with the first gear is installed at one end of the rotating roller.

Through adopting above-mentioned technical scheme, driving motor rotates through driving the commentaries on classics roller, and the commentaries on classics roller drives the installation piece again and promptly the joint rotates at the fixture block on the installation piece, finally drives the rotation rolling of inflatable shaft, because the meshing of gear does not have the looks mutual friction, transmission's life-span is higher, and does not have relative motion between commentaries on classics roller and the inflatable shaft, therefore the friction of whole coiling mechanism only exists the friction between commentaries on classics roller and the frame, owing to reduced the frictional force between each part, has improved coiling mechanism's life.

The utility model discloses further set up to: the frame is provided with a groove, the rotary roller is provided with a bearing, and the bearing is connected with the groove in a clamping manner.

Through adopting above-mentioned technical scheme, through seting up the recess in the frame, and the cover establishes the bearing with the recess joint on changeing the roller, then changes the friction between roller and the frame and truns into the internal friction of bearing, because the friction of changeing the roller reduces, has improved the life who changes the roller.

The utility model discloses further set up to: the fixing groove is formed in the rack on two sides of the groove, a fixing bolt is installed in the fixing groove through threads, a base is installed on the fixing bolt in a sliding mode, the base is close to one side of the bearing, a fixing block is installed on one side of the bearing, and the fixing block is tightly abutted to the bearing under the pushing of the fixing bolt.

Through adopting above-mentioned technical scheme, twist and to promote the base and slide to the bearing behind the fixing bolt to finally make fixed block and the bearing butt of installing on the base in order to fasten and spacing the bearing, the pivot relatively fixed of the relative fixed back inflatable shaft in position of bearing has improved inflatable shaft's rotation accuracy.

The utility model discloses further set up to: and a fixed spring is sleeved on the fixed bolt on one side of the base, which is far away from the bearing.

Through adopting above-mentioned technical scheme, cup joint fixing spring on the fixing bolt, fixing spring's the power of giving fixing bolt makes fixing bolt's screw thread inseparabler with the threaded connection in the fixed slot, has reduced the not hard up bearing that leads to of fastening bolt and has become flexible, has reduced because the not hard up possibility that leads to the inflatable shaft rotational accuracy decline of fastening bolt

To sum up, the utility model discloses a beneficial technological effect does:

1. by arranging the fastening device, the air expansion shaft and the driving device do not move relatively, so that the abrasion of the air expansion shaft and the fastening device is reduced, the service life of the winding device is prolonged, and the rotation precision of the air expansion shaft is improved;

2. the fastening piece, the fastening spring and the fastening bolt are arranged to fill the gap between the through hole and the clamping block, so that the rotation precision of the air expansion shaft is further improved;

3. the bearing is arranged on the rotary roller, so that the friction between the rotary roller and the rack is reduced, and the service life of the rotary roller is prolonged;

4. through setting up fixing bolt promotion base and fixed block, fasten and spacing bearing and commentaries on classics roller, further improved the rotational accuracy of inflatable shaft.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the installation structure of the roller of the present invention;

fig. 3 is a schematic structural view of the fastening device of the present invention;

fig. 4 is a cross-sectional view of a snap ring of the present invention.

In the figure, 1, a frame; 2. rotating the roller; 21. a bearing; 22. a groove; 23. fixing grooves; 24. fixing the bolt; 25. a base; 26. a fixed block; 27. fixing the spring; 3. a drive device; 31. a drive motor; 32. a first gear; 33. a second gear; 4. a fastening device; 41. mounting blocks; 42. mounting grooves; 43. a first card slot; 44. a second card slot; 45. a rotating rod; 46. a snap ring; 47. a through hole; 48. a limiting block; 5. an air expansion shaft; 51. a clamping block; 6. a spring slot; 61. a fastening spring; 62. a fastening tab; 7. a locking hole; 71. fastening a bolt; 72. a hand wheel; 73. and an anti-slip layer.

Detailed Description

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

As shown in fig. 1 and fig. 2, the winding device of a decorating machine disclosed by the present invention comprises a frame 1, a rotating roller 2 is rotatably mounted on the frame 1, and a bearing 21 is sleeved on one end of the rotating roller 2; the upper surface of frame 1 is seted up flutedly 22, and recess 22 and bearing 21 screens are connected, changes roller 2 and rotates through bearing 21 and install on frame 1.

Vertical fixed slot 23 has all been seted up to the upper surface of the frame 1 of recess 22 both sides, installs fixing bolt 24 through the screw thread in the fixed slot 23, and equal slidable mounting has rectangular bodily form base 25 on two fixing bolt 24, and base 25 is close to one side of recess 22 and installs the fixed block 26 with recess 22 screens connection, and fixed block 26 supports tightly with bearing 21 under fixing bolt 24's promotion and fastens and spacing in order to bearing 21. The fixing bolt 24 on the side of the base plate far away from the frame 1 is sleeved with a fixing spring 27 for reducing the possibility of loosening the fixing bolt 24.

Still install the drive arrangement 3 that is used for driving to change roller 2 on the frame 1, drive arrangement 3 includes driving motor 31, and driving motor 31 fixed mounting is in frame 1, and fixed the wearing first gear 32 that is equipped with in driving motor 31's the pivot, and fixed the wearing second gear 33 that is equipped with on the outer commentaries on classics roller 2 of frame 1, first gear 32 and the meshing of second gear 33.

As shown in fig. 2 and 3, the roller 2 is provided with a fastening device 4, the fastening device 4 comprises a rectangular mounting block 41 mounted at one end of the roller 2 far away from the second gear 33, and the axis of the mounting block 41 is coincident with the axis of the roller 2.

A rectangular mounting groove 42 is formed in one side, far away from the rotating roller 2, of the mounting block 41, a horizontal first clamping groove 43 is formed in one end, far away from the rotating roller 2, of the peripheral side wall of the mounting block 41, and an inclined second clamping groove 44 is further formed in the mounting block 41, close to the rotating roller 2, of the first clamping groove 43; the second catching groove 44 is inclined from being distant from the roller 2 to being close to the roller 2, and the distance of the second catching groove 44 from the axis of the catching block 51 in the inclined direction becomes shorter. The first and second catching

grooves

43 and 44 and the mounting groove 42 are communicated with each other.

The side walls of the mounting blocks 41 on the two sides of the first clamping groove 43 are also provided with rotating rods 45, the rotating rods 45 are rotatably provided with clamping rings 46 which are sleeved on the mounting blocks 41, and the clamping rings 46 are provided with through holes 47 for the mounting blocks 41 to slide. The first clamping groove 43 is provided with a limiting block 48 for limiting the maximum rotation angle of the clamping ring 46 at one end far away from the roller 2, and the limiting block 48 is abutted against the side wall of the clamping ring 46. The mounting block 41 is provided with the air expansion shaft 5, one end of the air expansion shaft 5, which is close to the mounting block 41, is provided with a rectangular fixture block 51, the fixture block 51 penetrates through the first fixture groove 43 to enter the mounting groove 42 to be clamped with the mounting groove 42, and when the fixture block 51 is clamped with the mounting groove 42, the upper surface of the fixture block 51 and the upper surface of the mounting block 41 are located on the same plane.

As shown in fig. 3 and 4, two spring grooves 6 are formed in the inner wall of the through hole 47 on the side close to the first clamping groove 43, fastening springs 61 are installed in the two spring grooves 6, a fastening plate 62 is fixedly installed at one end, far away from the spring grooves 6, of each fastening spring 61, and the fastening plate 62 is tightly abutted to the corresponding clamping block 51 under the pushing of the corresponding fastening spring 61.

The clamping ring 46 between the two spring grooves 6 is also provided with a locking hole 7, a fastening bolt 71 is installed in the locking hole 7 through threads, and the fastening bolt 71 is tightly abutted to the fastening piece 62. One end of the fastening bolt 71, which is far away from the fastening piece 62, is provided with a hand wheel 72, and the hand wheel 72 is covered with an anti-skid layer 73.

The implementation principle of the embodiment is as follows:

the clamping block 51 on the air expansion shaft 5 passes through the first clamping groove 43 and is placed in the mounting groove 42 to be in clamping connection with the mounting groove 42, then the clamping ring 46 is rotated, the clamping ring 46 passes through the inclined second clamping groove 44 to avoid the interference of the rotation path and the clamping block 51, and until the side wall of the clamping ring 46 abuts against the limiting block 48. In the process, the fastening plate 62 slides to the first locking groove 43 along the second locking groove 44 under the urging of the spring, and finally abuts against the locking block 51 locked in the mounting groove 42. Then, the hand wheel 72 is rotated to rotate the fastening bolt 71 until the fastening bolt 71 abuts against the fastening plate 62, and the abutting degree of the fastening plate 62 and the latch 51 is improved.

After the air expansion shaft 5 is installed, the driving motor 31 is started to wind, at the moment, the driving motor 31 rotates to drive the first gear 32 to rotate, the first gear 32 rotates to drive the second gear 33 meshed with the first gear to rotate, the second gear 33 rotates to drive the rotating roller 2 to rotate, the rotating roller 2 rotates to drive the installation block 41 to rotate, and finally the air expansion shaft 5 is driven to rotate to wind.

In the process, the fixing block 26 is pushed by the fixing bolt 24 to abut against the bearing 21 to ensure the rotation precision of the air expansion shaft 5, and the fixing bolt 24 reduces the possibility of loosening of the fixing bolt 24. During the continuous rotation of the inflatable shaft 5, the bearing 21 needs to be replaced due to abrasion, the fixing bolt 24 is screwed at the moment, the base 25 slidably mounted on the fixing bolt 24 can be removed after the fixing bolt 24 is removed, and the fixing block 26 slides along the groove 22 when the base 25 is removed. At this time, the roller 2 and the mounting block 41 are directly removed, and the bearing 21 is removed and replaced.

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

1. The utility model provides a coiling mechanism of calico printing machine, includes frame (1), rotate in frame (1) and install inflatable shaft (5), still install in frame (1) and be used for the drive actuating device (3) of inflatable shaft (5), its characterized in that: the air expansion shaft fixing device is characterized in that a fastening device (4) used for fastening the air expansion shaft (5) is installed on the rack (1), the fastening device (4) comprises a rotating roller (2) rotatably installed on the rack (1), an installation block (41) is installed at one end, close to the air expansion shaft (5), of the rotating roller (2), an installation groove (42) is formed in one side, far away from the rotating roller (2), of the installation block (41), a first clamping groove (43) is formed in the peripheral side wall of the installation block (41) and one end, far away from the rotating roller (2), of the installation block (43), an inclined second clamping groove (44) is further formed in the installation block (41) at one side, close to the rotating roller (2), of the first clamping groove (43), the second clamping groove (44) and the installation groove (42) are communicated with each other, and a rotating rod (45) is further installed on the side wall of the installation block (41), the rotary rod (45) is rotatably provided with a clamping ring (46) sleeved on the installation block (41), the clamping ring (46) is provided with a through hole (47), the through hole (47) is in sliding connection with the installation block (41), two ends of the air expansion shaft (5) are provided with clamping blocks (51), and the clamping blocks (51) are in clamping connection with the installation grooves (42).

2. The winding device of the printing machine as claimed in claim 1, wherein: first draw-in groove (43) are kept away from change the one end of roller (2) and install stopper (48), stopper (48) with the lateral wall butt of snap ring (46).

3. The winding device of the printing machine as claimed in claim 1, wherein: the spring groove (6) is formed in the inner wall, close to the first clamping groove (43), of the through hole (47), a fastening spring (61) is fixedly mounted in the spring groove (6), a fastening piece (62) is mounted at one end, close to the mounting groove (42), of the fastening spring (61), and the fastening piece (62) is tightly abutted to the clamping block (51) under the pushing of the fastening spring (61).

4. The winding device of the printing machine as claimed in claim 1, wherein: still seted up locking hole (7) on snap ring (46), install fastening bolt (71) through the screw thread in locking hole (7), fastening bolt (71) are close to with mounting plate (62) the one end of fastening bolt (71) supports tightly.

5. The winding device of the printing machine as claimed in claim 4, wherein: a hand wheel (72) is installed at one end, far away from the fastening piece (62), of the fastening bolt (71), and the hand wheel (72) is coated with an anti-skid layer (73).

6. The winding device of the printing machine as claimed in claim 1, wherein: drive arrangement (3) include driving motor (31), driving motor (31) fixed mounting be in on frame (1), install first gear (32) in driving motor's (31) the pivot, the one end of changeing roller (2) install with second gear (33) of first gear (32) meshing.

7. The winding device of the printing machine as claimed in claim 6, wherein: a groove (22) is formed in the rack (1), a bearing (21) is installed on the rotary roller (2), and the bearing (21) is connected with the groove (22) in a clamping mode.

8. The winding device of the printing machine as claimed in claim 7, wherein: recess (22) both sides fixed slot (23) have still been seted up on frame (1), install fixing bolt (24) through the screw thread in fixed slot (23), slidable mounting has base (25) on fixing bolt (24), base (25) are close to fixed block (26) are installed to one side of bearing (21), fixed block (26) are in under the promotion of fixing bolt (24) with bearing (21) support tightly.

9. The winding device of the printing machine as claimed in claim 8, wherein: and a fixing spring (27) is sleeved on the fixing bolt (24) on one side of the base (25) far away from the bearing (21).