CN215620887U - Digital thermal transfer printing roller printing device - Google Patents

Abstract

The utility model relates to a digital thermal transfer cylinder printing device, it includes the frame and is used for the thermal transfer case of rendition pattern, is provided with the feeding mechanism who carries the raw materials, retrieves the waste recovery mechanism and the conveying off-the-shelf drive belt of thermal transfer paper waste material in the frame, the last wrinkle mechanism that is provided with of feeding mechanism, wrinkle mechanism including span the support frame in frame both sides, with the brush roller of stock surface contact and the rotatory slewing mechanism of drive brush roller, slewing mechanism sets up on the support frame, fixedly connected with fixed plate on the support frame, the brush roller rotates to be connected on the fixed plate, the one end and the slewing mechanism of brush roller are connected. This application has the fold of flat stock of exhibition, and the stock that reduces the fold gets into the effect that the off-the-shelf rendition quality of rendition is not good probability of heat-transfer seal case.

Description

Digital thermal transfer printing roller printing device

Technical Field

The application relates to the field of thermal transfer printing devices, in particular to a digital thermal transfer printing roller printing device.

Background

The digital thermal transfer printing technology is characterized in that the digital printing technology is used for spraying and drawing a pattern on thermal transfer paper by thermal transfer ink for a high-definition printer, then the pattern is transferred to a printing stock by the thermal transfer printer in a thermal transfer printing mode, the digital printing technology is combined with the traditional thermal transfer printing technology, the efficiency is higher, the color reduction degree is higher, and the digital thermal transfer printing technology is widely applied to various industries.

Generally, a thermal transfer printer comprises a rack and a thermal transfer box, wherein a feeding mechanism, a transmission belt and a waste recovery mechanism are arranged on the rack, thermal transfer paper and a printing stock are conveyed into the thermal transfer box by the feeding mechanism, an image on the thermal transfer paper is transferred onto the printing stock by the thermal transfer box, a transfer finished product and thermal transfer paper waste are produced, the transfer finished product is conveyed to the next procedure by the transmission belt, and the thermal transfer paper waste is recovered by the waste recovery mechanism.

In view of the above-mentioned related art, the inventor believes that the thermal transfer paper and the printing material may be wrinkled before the feeding mechanism feeds the thermal transfer paper and the printing material into the thermal transfer box, which may affect the unevenness of the transfer image of the transfer product, resulting in poor transfer quality.

SUMMERY OF THE UTILITY MODEL

Get into the problem that the transfer printing quality is not good that the hot transfer printing case leads to the transfer printing finished product in order to improve the stock of fold, this application provides a digital hot transfer printing cylinder printing device.

The application provides a digital thermal transfer cylinder printing device adopts following technical scheme:

the utility model provides a digital thermal transfer cylinder printing device, includes frame and the thermal transfer case that is used for the rendition pattern, is provided with the feeding mechanism who carries the raw materials, retrieves the waste recovery mechanism and the off-the-shelf drive belt of conveying of thermal transfer paper waste material in the frame, the last wrinkle mechanism that is provided with of feeding mechanism, wrinkle mechanism is including stretching over the support frame in frame both sides, with the brush roller of stock surface contact and the rotatory slewing mechanism of drive brush roller, slewing mechanism sets up on the support frame, fixedly connected with fixed plate on the support frame, the brush roller rotates to be connected on the fixed plate, the one end and the slewing mechanism of brush roller are connected.

Through adopting above-mentioned technical scheme for the brush roller rotates under slewing mechanism's drive, and the brush roller brush is at the stock for the stock receives a power of keeping away from stock central line direction, and then makes the stock exhibition fold back, and the reentrant heat-transfer seal case that carries out the rendition reduces the stock entering heat-transfer seal case of fold and leads to the off-the-shelf not good probability of rendition quality.

Optionally, the brush roller comprises an inner roller, an outer roller sleeved outside the inner roller, bristles arranged on the outer roller and a rotating shaft rotatably connected to the fixing plate, and the inner roller is connected with the rotating shaft through a rotating shaft screw.

By adopting the technical scheme, the brush roller and the rotating shaft can be detachably connected, so that the maintenance or the size replacement of the brush roller is facilitated, and the practicability is improved.

Optionally, the outer roller is far away from and has seted up the external screw thread along length direction on the circumference outer wall of pivot one end, set up the internal thread that is used for with the mutual screw-thread fit of the external screw thread of inner roller along length direction on the circumference inner wall of outer roller, outer roller with interior roller threaded connection.

Through adopting above-mentioned technical scheme for can dismantle the connection between the interior roller of brush roller and the outer roller, when the outer roller damage of brush roller need be changed, only need dismantle outer roller and change can, save cost of maintenance, increase the practicality.

Optionally, the outer roller includes the roll body and pegs graft the cutting on the roll body, the brush hair sets up on the cutting, be provided with a plurality of inserting grooves that are used for pegging graft the cutting along the circumferencial direction on the circumference outer wall of roll body, the terminal surface of pivot is kept away from to one side break-over outer roller of inserting groove, the groove width that the inserting groove is close to outer roller central line is greater than the groove width that the inserting groove is close to outer roller outer wall.

By adopting the technical scheme, the bristles are detachably connected with the outer roller, when the bristles are damaged and need to be replaced, only the damaged bristles are needed to be detached and replaced, the whole outer roller does not need to be replaced, and the maintenance cost is further saved; the arrangement of the inconsistent widths of the upper and lower slots of the insertion slot limits the movement of the bristles in the insertion slot along the direction vertical to the central line of the outer roller, so that the insertion is firmer.

Optionally, a baffle is arranged on one side, away from the rotating shaft, of the outer roller, the baffle is connected with the outer roller through outer roller screws, the side wall of the baffle is abutted to the end face of the roller body, and meanwhile the side wall of the baffle is abutted to the side wall of the inserting strip.

By adopting the technical scheme, the arrangement of the baffle plate limits the movement of the cutting along the horizontal direction of the central line of the outer roller, so that the splicing is firmer; the arrangement of the detachable connection between the baffle and the outer roller is convenient for replacing the brush hair.

Optionally, the baffle is provided with the screens board on being close to the side of outer roller, the screens groove that is used for pegging graft screens board is offered to the one end that the pivot was kept away from to the roll body, the screens board with screens groove looks gomphosis.

Through adopting above-mentioned technical scheme, when the baffle was installed on the roll body, earlier with screens board and the mutual gomphosis in screens groove, it aims at the screw hole to change when being convenient for install outer roller screw, makes the baffle installation more convenient.

Optionally, the support frame includes the support body and slides the slider of connection on the support body, slewing mechanism and brush roller all set up on the slider, be provided with a plurality of inner guide that are parallel to each other along the glide direction of slider on the support body outer wall, inner guide and slider sliding connection, be provided with a plurality of outer guide with the sliding butt of inner guide on the slider inner wall, outer guide and support body sliding connection, outer guide all sets up including the guide be close to one side of the central line of sliding of slider or keep away from one side of the central line of sliding of slider, still be provided with the positioning mechanism who is used for fixing a position the slider on the slider.

By adopting the technical scheme, the sliding connection between the sliding block and the supporting frame is realized through the sliding connection arrangement between the inner guide rail and the outer guide rail, so that the brush roller slides back and forth along the sliding direction of the sliding block, in the actual use process, the position of the brush roller can be adjusted according to the width of a printing stock, and the position for removing wrinkles is adjusted, so that the practicability is higher; the positioning mechanism is used for positioning the sliding block, so that the sliding block cannot move back and forth when the brush roller rotationally brushes the printing stock.

Optionally, a plurality of fixing grooves are formed in the frame body along the sliding direction of the sliding block, the positioning mechanism comprises an elastic sheet arranged on one side of the sliding block and a buckle used for being buckled with the fixing grooves, the buckle is arranged at the bottom of one side of the elastic sheet, and the other side, far away from the buckle, of the elastic sheet is connected with the sliding block.

By adopting the technical scheme, the elastic sheet and the fixed groove are arranged to play a role in positioning the sliding block; the setting of a plurality of fixed slot provides a plurality of positions that can fix a position, is favorable to fixing a position the slider according to the width of stock, convenient and practical more.

Optionally, the elastic sheet is connected with the sliding block through an elastic sheet screw.

Through adopting above-mentioned technical scheme for shell fragment and slider can dismantle the connection, the later stage change and the maintenance of the shell fragment of being convenient for.

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

the brush roller rotates to enable the printing stock to be subjected to a force far away from the central line direction of the printing stock, so that the printing stock is conveyed into the thermal transfer printing box for transfer printing after being flattened and wrinkled, and the probability of poor transfer printing quality caused by wrinkling is reduced;

the brush roller, the outer roller and the single brush are detachably arranged, so that the maintenance cost is saved, and the practicability is improved;

the slider slides with the support frame and is connected for the brush roller makes a round trip to slide at the length direction of support frame, is used for the position of width adjustment brush roller according to the stock among the actual operation process, has increased the practicality.

Drawings

Fig. 1 is a perspective view of a digital thermal transfer printing roller printing apparatus according to an embodiment of the present application.

Fig. 2 is an enlarged view at a in fig. 1.

Fig. 3 is an exploded view of a brush roller of a digital thermal transfer printing drum printing device according to an embodiment of the present disclosure.

Fig. 4 is a cross-sectional view of a digital thermal transfer cylinder printing apparatus according to an embodiment of the present application.

Fig. 5 is an exploded view of a positioning device of a digital thermal transfer printing device according to an embodiment of the present disclosure.

Description of reference numerals: 1. a frame; 2. a thermal transfer box; 3. a feeding mechanism; 4. a waste recovery mechanism; 5. a transmission belt; 6. a wrinkle removing mechanism; 7. a support frame; 8. a brush roller; 9. a rotating mechanism; 10. a frame body; 11. a slider; 12. a sliding part; 13. a fixing plate; 14. a rotating shaft; 15. a motor; 16. a driving wheel; 17. a driven wheel; 18. a belt; 19. an inner roll; 20. an outer roller; 21. brushing; 22. positioning a groove; 23. a spindle screw; 24. a roller body; 25. cutting; 26. inserting grooves; 27. a baffle plate; 28. a clamping plate; 29. a clamping groove; 30. an outer roll screw; 31. an inner guide rail; 32. an outer guide rail; 33. a positioning mechanism; 34. fixing grooves; 35. a spring plate; 36. a spring plate screw; 37. and (5) buckling.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses digital thermal transfer cylinder printing device, refer to fig. 1, including frame 1 and thermal transfer case 2, be provided with the feeding mechanism 3 that is arranged in transporting the stock to thermal transfer case 2 on the frame 1, the waste recovery mechanism 4 that is used for retrieving the thermal transfer paper waste material and be used for conveying the transfer printing finished product to the drive belt 5 of next process, feeding mechanism 3 is located the upper portion entrance of thermal transfer case 2, thermal transfer case 2 is used for the image transfer printing on the thermal transfer paper to the stock.

Referring to fig. 1 and 2, a wrinkle removing mechanism 6 is arranged on the feeding mechanism 3, the wrinkle removing mechanism 6 comprises a support frame 7, a brush roller 8 and a rotating mechanism 9 for driving the brush roller 8 to rotate, the support frame 7 is mounted on two sides of the frame 1 in a spanning manner, the support frame 7 comprises a frame body 10 and a slide block 11 arranged on the frame body 10, and the slide block 11 is connected with the frame body 10 in a sliding manner through a sliding part 12; a fixed plate 13 is fixedly welded at the bottom of the sliding block 11, the brush roller 8 is rotatably connected to the fixed plate 13, and one end of the brush roller 8 penetrates through the fixed plate 13 to be connected with the rotating mechanism 9; the rotating mechanism 9 comprises a motor 15 arranged on the sliding block 11, a driving wheel 16 arranged on the motor 15 and a driven wheel 17 arranged at one end of the brush roller 8, the driving wheel 16 and the driven wheel 17 are positioned on the same vertical plane, and the driving wheel 16 and the driven wheel 17 are transmitted through a belt 18; when the driving wheel 16 rotates, the driven wheel 17 can be driven to rotate, and then the brush roller 8 is driven to rotate.

Referring to fig. 3, the brush roller 8 includes an inner roller 19, an outer roller 20 sleeved outside the inner roller 19, bristles 21 arranged on the outer roller 20, and a rotating shaft 14 rotatably connected to the fixed plate 13, wherein one end of the rotating shaft 14 penetrating through the fixed plate 13 is fixedly connected to the driven wheel 17, and the other end of the rotating shaft 14 far from the driven wheel 17 is connected to the inner roller 19; one end of the inner roller 19, which is close to the rotating shaft 14, is square, one end of the rotating shaft 14, which is far away from the driven wheel 17, is provided with a positioning groove 22 for accommodating the square end of the inner roller 19, and the inner roller 19 and the rotating shaft 14 are in screw connection through a rotating shaft screw 23; during installation, one square end of the inner roller 19 is inserted into the positioning groove 22, and when the inner roller 19 is connected with the rotating shaft 14 through the rotating shaft screw 23, the end surface of the inner roller 19 is abutted against the inner wall of the positioning groove 22; the inner roller 19 and the positioning groove 22 are arranged in a square shape, which is beneficial to the firm connection between the inner roller 19 and the rotating shaft 14 during rotation.

Referring to fig. 3, the outer roller 20 includes a roller body 24 and a plurality of inserting grooves 26 inserted in the roller body 24, the brush 21 is disposed on the inserting grooves 25, a plurality of inserting grooves 26 for inserting the inserting grooves 25 are disposed on the circumferential outer wall of the roller body 24 along the circumferential direction, one side of each inserting groove 26 penetrates through the end surface of the outer roller 20 away from the rotating shaft 14, and the groove width of the inserting groove 26 close to the center is larger than the groove width far from the center, so that the movement of the inserting grooves 25 in the vertical direction of the center line of the outer roller 20 is limited.

Referring to fig. 3 and 4, an outer thread is formed on the circumferential outer wall of one end of the inner roller 19, which is far away from the rotating shaft 14, along the length direction, an inner thread which is used for being in thread fit with the outer thread of the inner roller 19 is formed on the circumferential inner wall of the outer roller 20 along the length direction, and the outer roller 20 is in thread connection with the inner roller 19; a baffle plate 27 is arranged on one side of the outer roller 20 far away from the rotating shaft 14, a clamping plate 28 is fixedly connected to the side of the baffle plate 27 close to the outer roller 20, a clamping groove 29 for inserting the clamping plate 28 is formed in one end of the roller body 24 far away from the rotating shaft 14, and the roller body 24 and the baffle plate 27 are in screw connection through an outer roller screw 30; when the slip-out device is installed, the clamping plate 28 is inserted into the clamping groove 29, the roller body 24 and the baffle plate 27 are connected through the outer roller screw 30, the side wall of the baffle plate 27 is abutted against the end face of the roller body 24, meanwhile, the side wall of the baffle plate 27 is abutted against the side wall of the slip 25, and therefore the slip 25 is limited to move in the horizontal direction of the central line of the outer roller 20.

Referring to fig. 4 and 5, the sliding block 11 is configured as a square cylinder, and the inner wall of the sliding block 11 is connected with the outer wall of the frame 10 in a sliding manner through the sliding part 12; the sliding part 12 comprises an inner guide rail 31 arranged on the outer wall of the frame body 10 and an outer guide rail 32 arranged on the inner wall of the sliding block 11, the inner guide rail 31 extends along the sliding direction of the sliding block 11, the inner guide rail 31 is connected with the sliding block 11 in a sliding manner, the number of the inner guide rails 31 is four, two inner guide rails 31 are arranged on the outer wall of the top of the frame body 10, the other two inner guide rails 31 are arranged on the outer wall of the bottom of the frame body 10, and the inner guide rails 31 are parallel to each other; the outer guide rails 32 extend along the sliding direction of the sliding block 11, the outer guide rails 32 are connected with the frame body 10 in a sliding manner, the number of the outer guide rails 32 is four, two of the outer guide rails 32 are arranged on the inner wall of the top of the sliding block 11, the other two outer guide rails 32 are arranged on the inner wall of the bottom of the sliding block 11, and the outer guide rails 32 are parallel to each other; when the sliding block is mounted, the side wall of the outer guide rail 32 is in sliding contact with the side wall of the inner guide rail 31, the outer guide rail 32 is positioned on one side of the inner guide rail 31 close to the sliding center line of the sliding block 11, and the sliding block 11 is further provided with a positioning mechanism 33 for positioning the sliding block 11.

Referring to fig. 5, a plurality of fixing grooves 34 are uniformly formed in the frame body 10 along the sliding direction of the sliding block 11, the fixing grooves 34 are elongated grooves, the positioning mechanism 33 includes a spring plate 35 disposed on one side of the sliding block 11 and a buckle 37 for being buckled with the fixing grooves 34, the buckle 37 is disposed at the bottom of one side of the spring plate 35, and one side of the spring plate 35, which is far away from the buckle 37, is in screw connection with the sliding block 11 through a spring plate screw 36; when the sliding block 11 slides on the frame 10, the buckle 37 can be automatically and elastically buckled in the fixing groove 34, so as to position the sliding block 11; when the position of the sliding block 11 needs to be adjusted, the end, provided with the buckle 37, of the elastic sheet 35 is pulled, the buckle of the buckle 37 on the fixing groove 34 is released, and then the sliding block 11 is operated to continuously slide and then is buckled and positioned again.

The implementation principle of the digital thermal transfer printing roller printing device in the embodiment of the application is as follows: when the thermal transfer printing work is carried out, the sliding block 11 is pushed to slide on the frame body 10, the brush roller 8 is driven to slide together, the sliding block is made to slide to the wrinkle removing position according to the width of a printing stock, and the sliding block 11 is positioned by the elastic sheet 35; the motor 15 is started, the motor 15 drives the driving wheel 16 to rotate, so that the driven wheel 17 is driven to rotate through the belt 18, and the brush roller 8 is driven to rotate through the rotating shaft 14; when the brush roller 8 rotates, the printing stock is subjected to the force which is brought by the brush 21 and is far away from the central line of the printing stock, and the wrinkles of the printing stock are flattened; the stock after the exhibition is flat leaves the entry that wrinkle chasing machine constructs 6 and gets into thermal transfer case 2 and carries out the heat-transfer seal, and the back is accomplished in the heat-transfer seal, from the export output of thermal transfer case 2 and the good finished product of rendition and thermal transfer paper waste material, and the good finished product of rendition passes through conveyer belt 5 and conveys to next process, and thermal transfer paper waste material is retrieved through waste recovery mechanism 4.

The above is a preferred embodiment of the present application, and the scope of protection of the present application is not limited by the above, 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 (9)

1. The utility model provides a digital thermal transfer cylinder printing device, includes frame (1) and thermal transfer case (2) that are used for the rendition pattern, is provided with feeding mechanism (3) of carrying the raw materials, waste recovery mechanism (4) and the conveying off-the-shelf drive belt (5) of retrieving thermal transfer paper waste material in frame (1), its characterized in that: the wrinkle removing mechanism (6) is arranged on the feeding mechanism (3), the wrinkle removing mechanism (6) comprises a support frame (7) stretching across two sides of the rack (1), a brush roller (8) in surface contact with a printing stock and a rotating mechanism (9) for driving the brush roller (8) to rotate, the rotating mechanism (9) is arranged on the support frame (7), a fixing plate (13) is fixedly connected onto the support frame (7), the brush roller (8) is rotatably connected onto the fixing plate (13), and one end of the brush roller (8) is connected with the rotating mechanism (9).

2. The digital thermal transfer printing drum printing device according to claim 1, wherein: the brush roller (8) comprises an inner roller (19), an outer roller (20) sleeved outside the inner roller (19), bristles (21) arranged on the outer roller (20) and a rotating shaft (14) rotatably connected to the fixing plate (13), wherein the inner roller (19) is in screw connection with the rotating shaft (14) through a rotating shaft screw (23).

3. The digital thermal transfer printing drum printing device according to claim 2, wherein: interior roller (19) are kept away from and are seted up the external screw thread along length direction on the circumference outer wall of pivot (14) one end, set up the internal thread that is used for with the mutual screw-thread fit of external screw thread of interior roller (19) along length direction on the circumference inner wall of outer roller (20), outer roller (20) with interior roller (19) threaded connection.

4. The digital thermal transfer printing drum printing device according to claim 2, wherein: the outer roller (20) comprises a roller body (24) and inserting strips (25) inserted on the roller body (24), the bristles (21) are arranged on the inserting strips (25), a plurality of inserting grooves (26) used for inserting the inserting strips (25) are formed in the circumferential outer wall of the roller body (24) along the circumferential direction, one side of each inserting groove (26) penetrates through the end face, far away from the rotating shaft (14), of the outer roller (20), and the groove width, close to the center line of the outer roller (20), of each inserting groove (26) is larger than the groove width, close to the outer wall of the outer roller (20), of each inserting groove (26).

5. The digital thermal transfer printing roller printing apparatus according to claim 4, wherein: outer roller (20) are kept away from and are provided with baffle (27) on one side of pivot (14), baffle (27) with outer roller (20) are through outer roller screw (30) screwed connection, the lateral wall of baffle (27) and the terminal surface butt of roll body (24), simultaneously the lateral wall butt of baffle (27) and the lateral wall butt of cutting (25).

6. The digital thermal transfer printing roller printing apparatus according to claim 5, wherein: be provided with screens board (28) on baffle (27) are close to the side of outer roller (20), screens groove (29) that are used for grafting screens board (28) are offered to the one end that pivot (14) were kept away from in roll body (24), screens board (28) with screens groove (29) looks gomphosis.

7. The digital thermal transfer printing drum printing device according to claim 1, wherein: support frame (7) are including support body (10) and slide slider (11) of connection on support body (10), slewing mechanism (9) and brush roller (8) all set up on slider (11), be provided with a plurality of interior guide rail (31) that are parallel to each other along the slip direction of slider (11) on support body (10) outer wall, interior guide rail (31) and slider (11) sliding connection, be provided with a plurality of outer guide rail (32) with interior guide rail (31) slip butt on slider (11) inner wall, outer guide rail (32) and support body (10) sliding connection, outer guide rail (32) all set up including guide rail (31) are close to one side of the central line that slides of slider (11) or keep away from one side of the central line that slides of slider (11), still be provided with positioning mechanism (33) that are used for fixing a position slider (11) on slider (11).

8. The digital thermal transfer printing drum printing device according to claim 7, wherein: the support body (10) are provided with a plurality of fixed slot (34) along the slip direction of slider (11), positioning mechanism (33) including setting up shell fragment (35) and buckle (37) that are used for with fixed slot (34) lock in slider (11) one side, buckle (37) set up the bottom in shell fragment (35) one side, the opposite side that buckle (37) were kept away from in shell fragment (35) is connected with slider (11).

9. The digital thermal transfer printing drum printing device according to claim 8, wherein: the elastic sheet (35) is in screw connection with the sliding block (11) through an elastic sheet screw (36).

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