CN211056281U - Receiving and discharging mechanism and digital printing machine - Google Patents

Abstract

The utility model belongs to the technical field of digital printing machine, a receive and release mechanism and digital printing machine are related to, receive and release mechanism includes unwinding device and coiling mechanism, the coiling mechanism is including setting up originated rolling unit, middle rolling unit, last rolling unit, collection reel and the power pack in digital printing machine's frame; the digital printing machine is characterized in that a raw material to be printed is placed on the unreeling device, one end of the raw material to be printed extends out to enter the digital printing machine to be printed, then the raw material to be printed is sequentially wound on the initial winding unit, the middle winding unit and the tail winding unit and then is fixed on the collecting winding drum, and finally the power unit drives the collecting winding drum to wind the printed raw material. The utility model provides a when the collection reel passes through the raw materials after power pack drives the rolling and prints, the raw materials after printing tighten up on originated rolling unit, middle rolling unit and tail rolling unit, can not take place loose, rolling effectual, efficient.

Description

Receiving and discharging mechanism and digital printing machine

Technical Field

The utility model belongs to the technical field of digital printing machine, especially, relate to a receive and release mechanism and digital printing machine.

Background

The digital printing machine is also called a universal flat-bed printer, is a device for printing patterns on textile fabrics, prints high-security color images on the surfaces of materials, does not need to directly contact the materials, ensures the completeness of the printed materials, and has the advantages of small occupied area, high automation degree, less needed labor, low energy consumption, high efficiency and the like compared with the traditional printing device. Digital printing machine among the prior art is when the good raw materials are printed in the rolling, often through setting up a wind-up roll, connects the motor and realizes the rolling effect, but at the rolling in-process, often can lead to the coiling power to form loosely inadequately because of the self-expansibility of raw materials, leads to the rolling effect not good, needs people to come the raw materials rolling tight reality through manual again, and the rolling effect is poor, and is inefficient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a receive and release mechanism and digital printing machine, aim at solving the digital printing machine among the prior art when the good raw materials are printed in the rolling, often through setting up a wind-up roll, connect the motor and realize the rolling effect, but at the rolling in-process, often can lead to the rolling power to form loose technical problem inadequately because of the self-expansibility of raw materials.

In order to achieve the above object, an embodiment of the present invention provides a material receiving and discharging mechanism, which is cooperatively disposed at two ends of a guide belt of a digital printing machine, wherein the material receiving and discharging mechanism includes an unwinding device located at a feed end of the guide belt and a winding device located at a discharge end of the guide belt, the unwinding device and the winding device are fixed on a frame of the digital printing machine, and the winding device includes an initial winding unit, a middle winding unit, a last winding unit, a collection reel and a power unit, which are disposed on the frame of the digital printing machine; the digital printing machine is characterized in that a raw material to be printed is placed on the unreeling device, one end of the raw material to be printed extends out to enter the digital printing machine to be printed, then the raw material to be printed is sequentially wound on the initial winding unit, the middle winding unit and the tail winding unit and then is fixed on the collecting winding drum, and finally the power unit drives the collecting winding drum to wind the printed raw material.

Optionally, the unwinding device comprises a placing roller, and the bottommost ends of the placing roller and the initial winding unit are lower than the topmost end of the guide belt of the digital printing machine.

Optionally, the starting winding unit, the middle winding unit and the tail winding unit are arranged on a rack of the digital printing machine from high to low.

Optionally, the starting winding unit comprises a first mounting plate, a first roller and a second roller, the first roller and the second roller are rotatably arranged on the first mounting plate, and a space for raw materials to pass through is arranged between the first roller and the second roller at intervals.

Optionally, originated rolling unit still includes angle adjusting device, angle adjusting device includes angle adjustment seat, twist grip and angle modulation pivot, the angle adjustment seat is fixed in the frame of digital printing machine, the one end of angle modulation pivot is fixed on the first mounting panel, the other end rotationally wears to establish in the angle adjustment seat, twist grip's bottom penetrates in the angle adjustment seat with the angle modulation pivot meshes mutually.

Optionally, last rolling unit includes second mounting panel, third roller, fourth roller and fifth roller, the second mounting panel is fixed in the frame of digital printing machine, the third roller the fourth roller with the fifth roller rotationally sets up on the second mounting panel, the third roller the fourth roller with the fifth roller interval sets up the space that has the confession raw materials to pass.

Optionally, the power unit includes two rotary supporting seats and two driving motors, the two rotary supporting seats are respectively fixed at the left end and the right end of the frame of the digital printing machine, the two ends of the collecting drum are rotatably arranged in the rotary supporting seats, the driving motors are fixed on the rotary supporting seats, and output shafts of the driving motors extend into the rotary supporting seats and are fixedly connected with the collecting drum.

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the receiving and discharging mechanism have one of following technological effect at least: compared with the prior art, the utility model discloses receive and release mechanism has the unwinding device who places the raw materials of treating the stamp and the coiling mechanism of the raw materials rolling after will printing, and wherein, the raw materials after printing is fixed on collecting the reel after establishing originated rolling unit, middle rolling unit and tail rolling unit in proper order, finally collects the raw materials rolling after the reel will print by the power pack drive. Certain frictional force is provided between the printed raw material and the initial winding unit, the middle winding unit and the tail winding unit, so that when the collecting winding drum drives the winding to roll the printed raw material through the power unit, the printed raw material is tightened on the initial winding unit, the middle winding unit and the tail winding unit, loosening cannot occur, and the winding effect is good and the efficiency is high.

In order to achieve the above object, another embodiment of the present invention provides a digital printing machine, including frame, conduction band, printing mechanism and foretell receiving and discharging mechanism, the conduction band printing mechanism with receiving and discharging mechanism installs in the frame, printing mechanism erects the top of conduction band, receiving and discharging mechanism cooperation sets up the both ends of conduction band.

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the digital printing machine have one of following technological effect at least: compared with the prior art, the utility model discloses digital printing machine has used foretell receipts drop feed mechanism, through mutually supporting of unwinding device and coiling mechanism, when collecting the reel and drive the raw materials after the rolling is printed through power pack, the raw materials after printing tighten up on originated rolling unit, middle rolling unit and tail rolling unit, can not take place loose, therefore stamp the mechanism and can go on steadily the in-process that carries out the stamp to the raw materials, the production quality of product is high.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a perspective view of a digital printing machine provided by an embodiment of the present invention.

Fig. 2 is a cross-sectional view of a digital printing machine provided by the embodiment of the present invention.

Fig. 3 is an enlarged schematic view of a portion a of fig. 1.

Fig. 4 is an enlarged schematic view of fig. 1 at B.

Fig. 5 is an enlarged schematic view at C in fig. 1.

Fig. 6 is a schematic structural view of a material receiving and discharging mechanism provided in the embodiment of the present invention.

Fig. 7 is a schematic structural view of a belt surface cleaning mechanism according to an embodiment of the present invention.

Fig. 8 is a schematic structural view of a flexible cloth pasting mechanism provided by the embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

1-material receiving and discharging mechanism 2-unwinding device 21-placing winding drum

3-rolling device 31-initial rolling unit 311-first mounting plate

312-first roller 313-second roller 32-angle adjusting device

321-angle adjusting seat 322-rotating handle 323-angle adjusting rotating shaft

33-middle winding unit 34-last winding unit 341-second mounting plate

342-third roller 343-fourth roller 344-fifth roller

35-collection reel 36-power unit 361-rotary supporting seat

362-driving motor 4-guide belt surface cleaning mechanism 5-cleaning device

51-solution tank 511-water inlet 512-water outlet

52-cleaning roller 521-liquid absorbing sponge 522-round roller

53-wiper blade 54-water guide plate 6-rotation driving device

61-rotating electric machine 62-first transmission wheel 63-second transmission wheel

64-drive belt 7-lifting device 71-connecting plate

72-mounting rack 73-lifting cylinder 8-flexible cloth pasting mechanism

9-flexible cloth pasting device 91-cloth pasting support 911-clamping block

92-sticking cloth block 921-sticking pressure strip 10-position adjusting device

101-base 1011-base bottom 1012-base guide

1013-base top plate 102-sticking cloth mounting seat 1021-mounting clamping seat

1022 mounting gap 1023 adjusting through hole 1024 limiting block

103-height adjustment rotary rod 1031-adjustment knob 1032-finger accommodation groove

11-digital printing machine 111-frame 112-guide belt

113-printing mechanism

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary and intended to explain the embodiments of the present invention and are not to be construed as limiting the present invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In an embodiment of the present invention, as shown in fig. 1 to 3 and fig. 5 to 6, a material receiving and discharging mechanism 1 is provided, the material receiving and discharging mechanism 1 is cooperatively disposed at two ends of a guide belt 112 of a digital printing machine 11, the material receiving and discharging mechanism 1 includes an unwinding device 2 located at a feed end of the guide belt 112 and a winding device 3 located at a discharge end of the guide belt 112, the unwinding device 2 and the winding device 3 are fixed on a frame 111 of the digital printing machine 11, and the winding device 3 includes an initial winding unit 31, a middle winding unit 33, a tail winding unit 34, a collection reel 35 and a power unit 36 disposed on the frame 111 of the digital printing machine 11; the method comprises the steps that a raw material to be printed is placed on the unreeling device 2, one end of the raw material to be printed extends into the digital printing machine 11 to be printed, then the raw material to be printed is sequentially wound on the initial winding unit 31, the middle winding unit 33 and the tail winding unit 34 and then is fixed on the collection winding drum 35, and finally the power unit 36 drives the collection winding drum 35 to wind the printed raw material.

Further, the unwinding device 2 comprises a placing roller 21, and the lowest ends of the placing roller 21 and the initial winding unit 31 are lower than the highest end of the guide belt 112 of the digital printing machine 11.

Further, the starting winding unit 31, the middle winding unit 33 and the last winding unit 34 are arranged on the rack 111 of the digital printing machine 11 from high to low.

Further, the starting winding unit 31 includes a first mounting plate 311, a first roller 312 and a second roller 313, the first roller 312 and the second roller 313 are rotatably disposed on the first mounting plate 311, and a space for the raw material to pass through is disposed between the first roller 312 and the second roller 312.

Preferably, the initial winding unit 31 further includes an angle adjusting device 32, the angle adjusting device 32 includes an angle adjusting seat 321, a rotating handle 322 and an angle adjusting rotating shaft 323, the angle adjusting seat 321 is fixed on the frame 111 of the digital printing machine 11, one end of the angle adjusting rotating shaft 323 is fixed on the first mounting plate 311, the other end of the angle adjusting rotating shaft 323 is rotatably inserted into the angle adjusting seat 321, and the bottom of the rotating handle 322 penetrates into the angle adjusting seat 321 to be engaged with the angle adjusting rotating shaft 323.

Further, the last rolling unit 34 includes a second mounting plate 341, a third roller 342, a fourth roller 343, and a fifth roller 344, the second mounting plate 341 is fixed on the frame 111 of the digital printing machine 11, the third roller 342, the fourth roller 343, and the fifth roller 344 are rotatably disposed on the second mounting plate 341, and a space for raw material to pass through is disposed at intervals among the third roller 342, the fourth roller 343, and the fifth roller 344.

Furthermore, the power unit 36 includes two rotary supporting seats 361 and a driving motor 362, the two rotary supporting seats 361 are respectively fixed at the left and right ends of the frame 111 of the digital printing machine 11, the two ends of the collecting drum 35 are rotatably arranged in the rotary supporting seats 361, the driving motor 362 is fixed on the rotary supporting seats 361, and the output shaft of the driving motor 362 extends into the rotary supporting seats 361 and is fixedly connected with the collecting drum 35.

In this embodiment, the material receiving and discharging mechanism 1 has the following working principle: firstly, the raw material to be printed is placed on the placing winding drum 21 of the unreeling device 2, one end of the raw material to be printed is pulled out and passes through the bottom of the printing mechanism 113 in the digital printing machine 11, and finally, the raw material to be printed is sequentially wound around the first roller 312 and the second roller 313 on the starting winding unit 31, the third roller 342, the fourth roller 343 and the fifth roller 344 on the middle winding unit 33 and the last winding unit 34 and then fixed on the collecting winding drum 35. Then, the power unit 36 is started, the driving motor 362 drives the collecting reel 35 to rotate on the rotating support 361, that is, the collecting reel 35 winds the raw material, so that the raw material to be printed is pulled out from the placing reel 21, and after the raw material is printed by the printing mechanism 113 in the digital printing machine 11, the raw material is further wound by the first roller 312 and the second roller 313 on the initial winding unit 31, the third roller 342, the fourth roller 343 and the fifth roller 344 on the intermediate winding unit 33 and the last winding unit 34, and finally wound onto the collecting reel 35. In addition, the winding angle of the initial winding unit 31 can be adjusted by the angle adjusting device 32, and the angles of the angle adjusting rotating shaft 323, the first roller 312 and the second roller 313 are then adjusted by rotating the rotating handle 322.

The utility model discloses a digital printing machine 11 that another embodiment provided, as shown in fig. 1 ~ 2, including frame 111, conduction band 112, printing mechanism 113 and foretell receiving and releasing mechanism 1, conduction band 112 printing mechanism 113 with receiving and releasing mechanism 1 installs in frame 111, printing mechanism 113 erects conduction band 112's top, receiving and releasing mechanism 1 cooperation sets up conduction band 112's both ends.

In another embodiment of the present invention, as shown in fig. 7, a belt surface cleaning mechanism 4 comprises a cleaning device 5, a rotation driving device 6 and a lifting device 7, wherein the cleaning device 5 comprises a solution tank 51, a cleaning roller 52 and a wiper 53, the cleaning roller 52 is rotatably disposed in the solution tank 51, the wiper 53 is mounted on an upper end of a side wall of the solution tank 51, the rotation driving device 6 is fixed on one side of the solution tank 51, and the rotation driving device 6 is in transmission connection with the cleaning roller 52 to drive the cleaning roller 52 to rotate, and the lifting device 7 is fixed on the bottom of the solution tank 51 to drive the solution tank 51 and the cleaning roller 52 and the wiper 53 connected to the solution tank 51 to move up and down.

Further, the cleaning rollers 52 are provided in one or more sets, and a liquid-absorbing sponge 521 is provided on the surface of the cleaning rollers 52.

Preferably, the liquid absorbing sponge 521 on the surface of the cleaning roller 52 is made of annular polyvinyl alcohol, and a hard round roller 522 is arranged inside the cleaning roller 52.

Further, the solution tank 51 is a semi-closed box body wrapping the cleaning roller 52, that is, the top surface of the solution tank 51 is open, and two side surfaces and the bottom surface of the solution tank 51 are enclosed.

Furthermore, a water inlet 511 and a water outlet 512 are disposed on one side wall of the solution tank 51, the water inlet 511 is located at the middle section of the height of the solution tank 51, and the water outlet 512 is located at the bottom end of the height of the solution tank 51.

Preferably, a water guide plate 54 is installed at an upper end of an inner wall of one side of the solution tank 51, and the water guide plate 54 is located at one side of the wiper plate 53.

Further, the rotation driving device 6 includes a rotation motor 61, a first driving wheel 62, a second driving wheel 63 and a driving belt 64, the first driving wheel 62 is coaxially connected with the cleaning roller 52, the second driving wheel 63 is coaxially connected with an output shaft of the rotation motor 61, and the first driving wheel 62 is connected with the second driving wheel 63 through the driving belt 64.

Further, the lifting device 7 comprises a coupling plate 71, a mounting bracket 72 and a lifting cylinder 73, wherein the coupling plate 71 is fixed on the bottom surface of the solution tank 51, the lifting cylinder 73 is fixed on the mounting bracket 72, and an output shaft of the lifting cylinder 73 is fixedly connected with the coupling plate 71.

In this embodiment, the operating principle of the belt surface cleaning mechanism 4 is as follows: the operator closes the water outlet 512 of the solution tank 51 and injects the liquid into the solution tank 51 through the water inlet 511 of the solution tank 51 until the liquid soaks into the cleaning roller 52 of the solution tank 51. The guide belt 112 of the digital printing machine 11 is operated, firstly, the lifting cylinder 73 drives the connecting plate 71 and the solution tank 51 fixed on the connecting plate 71 to approach the guide belt 112 of the digital printing machine 11, so that the cleaning roller 52 and the water scraping plate 53 connected to the solution tank 51 are abutted against the guide belt; then the rotating motor 61 fixed on one side of the solution tank 51 works to drive the second driving wheel 63 to rotate, and after the driving of the driving belt 64, the first driving wheel 62 and the cleaning roller 52 are driven to rotate, so that the cleaning roller 52 actively cleans the conduction band 112, the cleaning efficiency is higher, the cleaning effect is good, the liquid absorption sponge 521 on the surface of the cleaning roller 52 can be repeatedly used for many times, the frequent replacement is not needed, the use cost is low, the liquid absorption sponge 521 is softer, the damage to the conduction band 112 is small, the conduction band 112 is ensured to have no vibration in the cleaning process, and the printing quality is not influenced; then, the cleaned conduction band 112 is effectively wiped by the wiper plate 53 at the upper end of one side wall of the solution tank 51, the equipment is not damaged, and the conduction band 112 is cleaner; at the same time, the scraped water is returned to the solution tank 51 by being guided by the water guide plate 54.

In another embodiment of the present invention, as shown in fig. 4 and 8, a flexible cloth sticking mechanism 8 comprises a flexible cloth sticking device 9 and position adjusting devices 10 located at the left and right sides of the flexible cloth sticking device 9, wherein the position adjusting devices 10 comprise a base 101, a cloth sticking mounting seat 102 and a height adjusting rotary rod 103, the cloth sticking mounting seat 102 is slidably arranged in the base 101 up and down, the height adjusting rotary rod 103 is rotatably arranged on the base 101, the height adjusting rotary rod 103 is inserted into the cloth sticking mounting seat 102, and the height adjusting rotary rod 103 is in transmission connection with the cloth sticking mounting seat 102; two ends of the flexible cloth sticking device 9 are respectively fixed in the cloth sticking mounting seats 102 of the position adjusting device 10 at the left side and the right side, and the positions of the cloth sticking mounting seats 102 and the flexible cloth sticking device 9 in the base 101 are adjusted by rotating the height adjusting rotary rod 103.

Optionally, the base 101 includes a base bottom plate 1011, a base guide 1012 and a base top plate 1013 fixed to each other, the base bottom plate 1011, the base guide 1012 and the base top plate 1013 surround to form a space for the plaster mounting seat 102 to slide up and down, and the upper and lower ends of the height adjusting rotating rod 103 are rotatably mounted on the base top plate 1013 and the base bottom plate 1011 through a bearing, respectively.

Optionally, the patch mounting base 102 includes a mounting seat 1021 and a limiting block 1024, a mounting gap 1022 for accommodating an end portion of the flexible patch device 9 is formed in the mounting seat 1021, the end portion of the flexible patch device 9 is installed in the mounting seat 1021 through the mounting gap 1022, and the limiting block 1024 is fixed on the mounting seat 1021 to limit the end portion of the flexible patch device 9 in the mounting seat 1021.

Optionally, an adjusting through hole 1023 is provided in the mounting clamp 1021 for the height adjusting rotating rod 103 to penetrate through, an inner wall of the adjusting through hole 1023 is provided with an internal thread, an outer wall of the height adjusting rotating rod 103 is provided with an external thread matched with the internal thread, and the height adjusting rotating rod 103 is in transmission connection with the mounting clamp 1021 through the mutual matching of the external thread and the internal thread.

Optionally, an adjusting knob 1031 is fixed on the top of the height adjusting lever 103, and a finger receiving groove 1032 is spaced apart from the adjusting knob 1031.

Optionally, the flexible cloth pasting device 9 comprises a cloth pasting support 91 and a cloth pasting block 92, the left and right sides of the cloth pasting support 91 are provided with a clamping block 911 in an outward protruding manner, the cloth pasting support 91 is installed in the cloth pasting installation seat 102 through the clamping block 911, and the cloth pasting block 92 is fixed at the bottom of the cloth pasting support 91.

Optionally, the bottom end of the patch 92 is provided with a flexible pressure strip 921.

In this embodiment, the flexible cloth sticking mechanism 8 has the following working principle: the flexible cloth pasting mechanism 8 is erected above the conduction band 112 and is matched with the conduction band 112, when printing raw materials enter, the adjusting knob 1031 at the top of the height adjusting rotary rod 103 is twisted to drive the height adjusting rotary rod 103 to rotate, and after transmission between the height adjusting rotary rod 103 and the installation clamping seat 1021, the installation clamping seat 1021 and the flexible cloth pasting device 9 fixed on the installation clamping seat 1021 are lifted upwards in a space formed after the base bottom plate 1011, the base guide plate 1012 and the base top plate 1013 are enclosed, so that a gap is formed between the flexible cloth pasting device 9 and the conduction band 112. In the process of sticking the printing raw material, according to the thickness degree of the printing raw material, the height adjusting rotary rod 103 is rotated by twisting the adjusting knob 1031 at the top of the height adjusting rotary rod 103, the height adjusting rotary rod 103 is driven to rotate, the height adjusting rotary rod 103 and the installation clamping seat 1021 are driven to rotate, the installation clamping seat 1021 and the flexible cloth sticking device 9 fixed on the installation clamping seat 1021 are arranged in the space formed by the base bottom plate 1011, the base guide plate 1012 and the base top plate 1013 which are enclosed, and the printing raw material is completely flat and reliably pressed on the conduction band 112, so that the printing raw material is prevented from being displaced or being uneven in the process of conveying the printing raw material by the conduction band 112, the printing raw material is not damaged, and the printing effect reaches an ideal state.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (8)

1. The utility model provides a receive drop feed mechanism, should receive drop feed mechanism cooperation setting at the conduction band both ends of digital printing machine, its characterized in that: the unwinding device and the winding device are fixed on a rack of the digital printing machine, and the winding device comprises a starting winding unit, a middle winding unit, a tail winding unit, a collecting winding drum and a power unit which are arranged on the rack of the digital printing machine; the digital printing machine is characterized in that a raw material to be printed is placed on the unreeling device, one end of the raw material to be printed extends out to enter the digital printing machine to be printed, then the raw material to be printed is sequentially wound on the initial winding unit, the middle winding unit and the tail winding unit and then is fixed on the collecting winding drum, and finally the power unit drives the collecting winding drum to wind the printed raw material.

2. The material receiving and discharging mechanism of claim 1, wherein: the unwinding device comprises a placing winding drum, and the bottommost ends of the placing winding drum and the initial winding unit are lower than the highest end of a guide belt of the digital printing machine.

3. The material receiving and discharging mechanism of claim 1, wherein: the starting winding unit, the middle winding unit and the tail winding unit are arranged on a rack of the digital printing machine from high to low.

4. The material receiving and discharging mechanism of claim 1, wherein: the starting winding unit comprises a first mounting plate, a first rolling shaft and a second rolling shaft, the first rolling shaft and the second rolling shaft are rotatably arranged on the first mounting plate, and a space for raw materials to pass through is arranged between the first rolling shaft and the second rolling shaft at intervals.

5. The material receiving and discharging mechanism of claim 4, wherein: the originated rolling unit still includes angle adjusting device, angle adjusting device includes angle adjustment seat, twist grip and angle modulation pivot, the angle adjustment seat is fixed in the frame of digital printing machine, the one end of angle modulation pivot is fixed on the first mounting panel, the other end rotationally wears to establish in the angle adjustment seat, twist grip's bottom penetrates in the angle adjustment seat with the angle modulation pivot meshes mutually.

6. The material receiving and discharging mechanism as claimed in any one of claims 1 to 5, wherein: last rolling unit includes second mounting panel, third roller bearing, fourth roller bearing and fifth roller bearing, the second mounting panel is fixed in the frame of digital printing machine, the third roller bearing the fourth roller bearing with the fifth roller bearing rotationally sets up on the second mounting panel, the third roller bearing the fourth roller bearing with the fifth roller bearing interval sets up the space that has the confession raw materials to pass.

7. The material receiving and discharging mechanism as claimed in any one of claims 1 to 5, wherein: the power unit comprises two rotary supporting seats and two driving motors, the two rotary supporting seats are respectively fixed at the left end and the right end of a frame of the digital printing machine, the two ends of the collecting winding drum are rotatably arranged in the rotary supporting seats, the driving motors are fixed on the rotary supporting seats, and output shafts of the driving motors extend into the rotary supporting seats and are fixedly connected with the collecting winding drum.

8. A digital printing machine comprising a frame, a guide belt, a printing mechanism and a receiving and discharging mechanism as claimed in any one of claims 1 to 7, wherein: the guide belt the printing mechanism with receive and release mechanism and install in the frame, printing mechanism erects the top of guide belt, receive and release mechanism cooperation setting and be in the both ends of guide belt.

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