Paper direction changing device for digital printer

Abstract

The invention provides a paper direction changing device for a digital printer, and relates to the technical field of conveying devices.The paper direction changing device comprises a conveying frame, a placing assembly is arranged in the conveying frame and comprises a front fence and a rear fence, left and right fences are arranged on the two sides of the front fence and the two sides of the rear fence, and the front fence, the rear fence and the left and right fences are each composed of three vertical plates; roll shafts are rotatably mounted at the tops of the vertical plates of the front and rear fences and the left and right fences, insertion plates are slidably inserted between the adjacent vertical plates of the front and rear fences and the left and right fences at equal intervals, printing paper is stacked and placed in the placing assembly, and the front and rear fences and the left and right fences of the placing assembly can be adjusted according to the width and length of the paper. And when the direction needs to be changed, the placing assembly is driven to rotate through the driving assembly, the positions of the hanging ring fences correspond to the sending-out plate, the paper does not need to be taken out and manually adjusted, and more convenience is achieved.

Description

Technical Field

[0001] The invention relates to the technical field of conveying devices, in particular to a paper direction changing device for a digital printer. Background Art

[0002] When existing printers are working, when the content printed by the printer is horizontal, it usually means that the print settings or paper direction need to be adjusted. After the paper enters the printer, it can only move in the same direction and cannot achieve automatic reversal of the paper. Therefore, it is necessary to manually adjust the paper entry direction.

[0003] Currently, most printers deliver paper in stacks, and the paper is fed into the printer by rolling and rubbing the top of the paper. During this process, it is inconvenient to manually take out the stacked paper and turn it around, and the paper needs to be stacked neatly again, otherwise it is easy to cause the paper to shift during delivery, affecting the printing effect. Summary of the invention

[0004] In view of the shortcomings of the prior art, the purpose of the present invention is to provide a paper direction changing device for a digital printer to solve the problems raised in the above-mentioned background technology. The present invention has a novel structure. The printed paper is stacked and placed inside the placement component. The front and rear fences and left and right fences of the placement component can be adjusted according to the width and length of the paper. Then, the fence facing the feed plate is positioned lower than the two sides. The two sides limit the paper to prevent displacement. When the direction needs to be changed, the placement component is driven to rotate by the driving component. The position of the hanging ring fence corresponds to the feed plate. There is no need to take out the paper and adjust it manually, which is more convenient.

[0005] In order to achieve the above-mentioned purpose, the present invention is implemented through the following technical scheme: a paper direction changing device for a digital printer, including a conveying frame, a placing component is arranged inside the conveying frame, and the placing component includes a front and rear fence, left and right fences are arranged on both sides of the front and rear fences, and the front and rear fences and the left and right fences are composed of three vertical plates, rollers are rotatably installed on the tops of the vertical plates of the front and rear fences and the left and right fences, plug plates are equidistantly slidably inserted between the adjacent vertical plates of the front and rear fences and the left and right fences, and a support frame is arranged at the bottom of the front and rear fences and the left and right fences, and the support frame is composed of a circular plate and two straight plates. The conveying frame is formed by sliding the two straight plates of the support frame into a sliding plate at the bottom of the middle vertical plate of the front and rear fences and the left and right fences. Drive components are provided on both sides of the conveying frame, and the drive components include slide rails. Slide rails are fixed to the inner walls of both sides of the conveying frame, and slide plates are slidably connected inside the slide rails. A circular frame is fixed to the outer side of the slide plate. The front and rear fences and the left and right fences are installed inside the circular frame. An outlet is opened at the top of one side of the conveying frame, and a delivery plate is provided at the outlet end of the conveying frame. A top frame is fixed on the top of the conveying frame, and two groups of rubber friction rollers are installed on the top of the top frame corresponding to the front and rear fences and the left and right fence protection areas.

[0006] Furthermore, two groups of electric push rods are fixed on the top of the top frame, and two groups of telescopic frames are fixed on the extended ends of the electric push rods, and the two ends of the telescopic frames are respectively connected and installed with two groups of rubber friction rollers.

[0007] Furthermore, the placement component also includes a vertical column, the bottom of the circular plate of the support frame is fixed with a vertical column, and a bottom plate is slidably sleeved on the bottom surface of the vertical column, and top rods are provided at the four corners of the top of the bottom plate, and a compression pad is fixed to the top of the top rod.

[0008] Furthermore, side grooves are provided on the sides of the vertical plates on both sides of the front and rear fences and the left and right fences, and insertion frames are slidably connected inside the side grooves. Right-angle plates are equidistantly provided in the side grooves of the front and rear fences and the left and right fences that are at right angles to each other, and both ends of the right-angle plates are slidably inserted into the insertion frames of the front and rear fences and the left and right fences.

[0009] Furthermore, a connecting shaft is fixed in the middle position of the right-angle plate, and the bottom of the connecting shaft is rotatably connected to the second telescopic plate through a rotating shaft, the top rod is slidably inserted on the extended end of the second telescopic plate, and the other end of the second telescopic plate is rotatably installed on the bottom surface of the circular plate of the support frame through a rotating shaft, the top rod is located between the second telescopic plate and the bottom plate and is sleeved with a first spring, a sliding groove is opened on the surface of the bottom plate, and the bottom of the top rod slides along the sliding groove through a slider.

[0010] Furthermore, a movable groove is opened at the bottom of the middle vertical plate of the front and rear fences and the left and right fences, and a buckle frame is slidably connected in the movable groove, the horizontal plate of the support frame slides through the buckle frame, and a second spring is fixed on the top of the buckle frame, and the other end of the second spring is fixedly connected to the inner wall of the top of the movable groove.

[0011] Furthermore, the bottom of the two straight plates of the support frame are rotatably mounted with adjusting screws through bearings, the two adjusting screws are staggered, and the bottom threads of the buckle frame are sleeved on the surfaces of the respective adjusting screws.

[0012] Furthermore, a first telescopic plate is fixed on the outside of the middle vertical plate of the front and rear fences and the left and right fences, and a vertical rod is fixed on the bottom of the first telescopic plate. The bottom of the vertical rod slides along the inside of the circular frame through a slider, and the slopes on both sides of the circular frame are higher than the front and rear heights.

[0013] Furthermore, the drive assembly also includes a screw rod, the interior of the slide rail is rotatably mounted with a screw rod through a bearing, and the slide plate is threadedly sleeved on the surface of the screw rod, the outer end of the slide rail is fixed with a first motor, and the output end of the first motor is fixedly connected to the screw rod.

[0014] Furthermore, a second gear is rotatably mounted on the surface of the inlet end of the conveying frame through a bearing, and a socket is fixed to the top of the center of the second gear, and the vertical column can be slidably engaged in the socket, and a second motor is fixed to one side of the second gear on the bottom surface of the conveying frame, and a first gear is fixed to the output end of the second motor, and the first gear is meshingly connected with the second gear.

[0015] Beneficial effects of the present invention:

[0016] 1. The present invention drives the placement component to move along the slide rail to the top of the second gear as the lead screw is driven. The socket has two openings and a rubber pad is arranged on the inner wall, which can increase the stability after being clamped with the vertical column. The vertical column is a square column. After being inserted along the front end opening of the socket, the second motor can drive the first gear to rotate and mesh with the second gear, so that the placement component is driven to rotate by the clamping of the socket and the vertical column. At this time, the front and rear fences and the left and right fences on the top of the placement component are swapped. During the rotation process, the vertical bars on the outside of the front and rear fences and the left and right fences slide along the circular frame. The two sides of the circular frame are provided with inclined surfaces and are higher than the front and back. The vertical bars will drive the corresponding fences to produce vertical displacement. Therefore, the height of the top of the fence located at the front and rear positions is lower than the left and right fences. This height difference is the space for sending out paper. The paper can be sent out from the front and rear directions while being limited on both sides. Then, the vertical column of the placement component is sent out from another outlet through the lead screw. The two outlets of the socket are set at ninety degrees, and both can enable the vertical column to be sent out.

[0017] 2. The present invention drives the screw to rotate through the first motor, and the slide plate cooperates with the screw thread to drive the annular frame and the placement component to move away from the delivery plate, which can facilitate the rotation of the placement component to change the delivery direction. It is also convenient to move the paper in the placement component to the entrance end of the conveyor rack after it is used up and refill it with printing paper.

[0018] 3. The present invention connects each vertical plate of the front and rear fences and the left and right fences to each other through a plug plate, and the right-angled sides of the front and rear fences and the left and right fences are connected by a right-angle plate, so as to maintain the stability of the overall frame. At the same time, the front and rear lengths and the left and right lengths can be adjusted to meet the needs of paper of different sizes. The specific adjustment method is to rotate two staggered adjustment screws, which are bidirectional screws. The buckle frame and the adjustment screw threads cooperate to adjust the length of the front and rear fences and the left and right fences. When adjusting the length, the first telescopic plate is retractable to maintain the connection between the outer side of the fence and the vertical rod, and cooperates with the support frame to wrap the stacked paper.

[0019] 4. The four push rods and the extrusion pads of the present invention are located at the four corners of the support frame. Through the connection between the second telescopic plate and the connecting shaft, when the size of the front and rear fences and the left and right fences is adjusted, the length of the second telescopic plate and the position of the push rod are adjusted synchronously, and the bottom of the push rod slides along the slide groove to avoid interfering with the adjustment of the length of the front and rear fences and the left and right fences. When the vertical rod moves to the low point of the circular ring frame, the second spring in the moving groove will drive the fence at this position to move downward, keeping the height difference between the front and back and the sides. The height difference is used to limit the paper and facilitate its delivery. The paper is kept inside the placement component by the elastic force of the four push rods and the first spring, and as the paper is used, the push rod gradually pushes the lower layer of paper upward to ensure that there is always paper to be transported at the top.

[0020] 5. Compared with the prior art, the present invention places the printed paper stack inside the placement component. The front and rear fences and left and right fences of the placement component can be adjusted according to the width and length of the paper. Then the fence facing the delivery plate is positioned lower than the two sides. The two sides limit the paper to prevent displacement. When the direction needs to be changed, the placement component is driven to rotate through the driving component. The position of the hanging ring fence corresponds to the delivery plate. There is no need to take out the paper and adjust it manually, which is more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of a paper direction changing device for a digital printer of the present invention;

[0022] Figure 2 It is a schematic diagram of the interior of a conveyor frame of a paper direction changing device for a digital printer of the present invention;

[0023] Figure 3 It is a schematic diagram of the connection between the placement component and the driving component of a paper direction changing device for a digital printer of the present invention;

[0024] Figure 4 This is a schematic diagram of the structure of a placement component of a paper direction changing device for a digital printer of the present invention;

[0025] Figure 5 It is a schematic diagram of the connection between the front and rear fences and the left and right fences and the circular ring frame of a paper direction changing device for a digital printer of the present invention;

[0026] Figure 6 It is a schematic diagram of the bottom structure of a placement component of a paper direction changing device for a digital printer of the present invention;

[0027] Figure 7 The present invention is a schematic diagram of the front and rear fence structure of a paper direction changing device for a digital printer.

[0028] In the figure: 1. conveyor frame; 11. delivery plate; 12. top frame; 13. electric push rod; 14. rubber friction roller; 15. telescopic frame; 2. drive assembly; 21. slide rail; 22. first motor; 23. screw rod; 24. second motor; 25. first gear; 26. second gear; 27. socket; 28. ring frame; 29. ​​slide plate; 3. placement assembly; 31. front and rear fences; 32. left and right fences; 33. roller shaft ; 34. Insert plate; 35. Right-angle plate; 36. Connecting shaft; 37. Bottom plate; 38. Vertical column; 39. Top rod; 310. First spring; 311. First telescopic plate; 312. Vertical rod; 313. Support frame; 314. Slide groove; 315. Second telescopic plate; 316. Extrusion pad; 317. Side groove; 318. Moving groove; 319. Buckle frame; 320. Second spring; 321. Insert frame; 322. Adjusting screw. DETAILED DESCRIPTION

[0029] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0030] See also Figures 1 to 7The present invention provides a technical solution: a paper direction changing device for a digital printer, comprising a conveying frame 1, a placing component 3 is arranged inside the conveying frame 1, and the placing component 3 comprises a front and rear fence 31, left and right fences 32 are arranged on both sides of the front and rear fences 31, and the front and rear fences 31 and the left and right fences 32 are composed of three vertical plates, rollers 33 are rotatably installed on the tops of the vertical plates of the front and rear fences 31 and the left and right fences 32, plug plates 34 are equidistantly slidably inserted between the adjacent vertical plates of the front and rear fences 31 and the left and right fences 32, a supporting frame 313 is arranged at the bottom of the front and rear fences 31 and the left and right fences 32, and the supporting frame 313 is composed of a circular plate and two straight plates, and the two straight plates of the supporting frame 313 are slidably inserted at the bottom of the middle vertical plate of the front and rear fences 31 and the left and right fences 32, driving components 2 are arranged on both sides of the conveying frame 1, and the driving components 2 comprise slide rails 21, and the inner walls on both sides of the conveying frame 1 are fixed with slide rails 21, and the slide rails 21 A slide plate 29 is slidably connected inside, and a circular frame 28 is fixed on the outer side of the slide plate 29. The front and rear fences 31 and the left and right fences 32 are installed inside the circular frame 28. An outlet is opened on the top of one side of the conveying frame 1, and a delivery plate 11 is provided at the outlet end of the conveying frame 1. A top frame 12 is fixed on the top of the conveying frame 1, and two groups of rubber friction rollers 14 are installed on the top of the top frame 12 corresponding to the protection area of ​​the front and rear fences 31 and the left and right fences 32. When the device is used, the stacked paper is placed inside the placement component 3, and the front and rear fences 31 and the left and right fences 32 of the placement component 3 are adjusted in length and width according to the size of the paper and wrapped around the periphery of the paper, and then moved to the outlet position of the conveying frame 1 by the driving component 2, and the rubber friction roller 14 rolls and squeezes the paper at the top of the placement component 3, and sends it from the delivery plate 11 into the printer. When the paper delivery direction needs to be changed, the driving component 2 cooperates with the placement component 3 to rotate the direction of the paper ninety degrees and re-convey it.

[0031] In this embodiment, two groups of electric push rods 13 are fixed on the top of the top frame 12, and two groups of telescopic frames 15 are fixed on the extended ends of the electric push rods 13. The two ends of the telescopic frames 15 are respectively connected and installed with two groups of rubber friction rollers 14. The rubber friction rollers 14 can prevent the generation of static electricity. At the same time, the structure is divided into a mounting frame and an electrically driven friction roller, which can be installed at the bottom of the telescopic frame 15 according to the size of the paper, and then the length of the telescopic frame 15 is adjusted, and the distance between the two friction rollers is adjusted. The rubber friction rollers 14 are driven by the electric push rods 13 to contact the paper at the top of the placement component 3 and are sent into the printer from the delivery plate 11.

[0032] In this embodiment, the placement component 3 also includes a vertical column 38, the bottom of the circular plate of the support frame 313 is fixed with a vertical column 38, and a bottom plate 37 is slidably sleeved on the bottom surface of the vertical column 38, and a top rod 39 is provided at the four corners of the top of the bottom plate 37, and a compression pad 316 is fixed to the top of the top rod 39, and a side groove 317 is opened on the side edges of the vertical plates on both sides of the front and rear fences 31 and the left and right fences 32, and an insertion frame 321 is slidably connected inside the side groove 317, and right-angle plates 35 are equidistantly provided in the side grooves 317 of the front and rear fences 31 and the left and right fences 32, and the two ends of the right-angle plates 35 are slidably inserted into the insertion frames 321 of the front and rear fences 31 and the left and right fences 32, and a connecting shaft 36 is fixed at the middle position of the right-angle plate 35, and the connecting shaft 36 is fixed to the middle position of the right-angle plate 35. The bottom of the shaft 36 is rotatably connected to the second telescopic plate 315 through a rotating shaft, the top rod 39 is slidably inserted on the extended end of the second telescopic plate 315, and the other end of the second telescopic plate 315 is rotatably installed on the bottom surface of the circular plate of the support frame 313 through a rotating shaft, the top rod 39 is located between the second telescopic plate 315 and the bottom plate 37 and is sleeved with a first spring 310, a sliding groove 314 is provided on the surface of the bottom plate 37, and the bottom of the top rod 39 slides along the sliding groove 314 through a slider, a moving groove 318 is provided at the bottom of the middle vertical plate of the front and rear fences 31 and the left and right fences 32, and a buckle frame 319 is slidably connected in the moving groove 318, the horizontal plate of the support frame 313 slides through the buckle frame 319, and the top of the buckle frame 319 is fixed A second spring 320 is fixedly provided, and the other end of the second spring 320 is fixedly connected to the inner wall of the top of the movable groove 318. The bottom of the two straight plates of the support frame 313 is rotatably installed with an adjusting screw 322 through a bearing. The two adjusting screws 322 are staggered, and the bottom threads of the buckle frame 319 are sleeved on the surfaces of their respective adjusting screws 322. Each vertical plate of the front and rear fences 31 and the left and right fences 32 is interconnected by a plug plate 34, and the right-angle sides of the front and rear fences 31 and the left and right fences 32 are connected by a right-angle plate 35 to maintain the stability of the overall frame. At the same time, the front and rear and left and right lengths can be adjusted to meet the use of paper of different sizes. The specific adjustment method is to rotate two staggered adjusting screws 322. The adjusting screws 322 are The two-way screw, the buckle frame 319 and the adjusting screw 322 are threadedly matched to adjust the length of the front and rear fences 31 and the left and right fences 32. When adjusting the length, the first telescopic plate 311 is retractable to maintain the connection between the outer side of the fence and the vertical rod 312, and cooperates with the support frame 313 to wrap the stacked paper. The four push rods 39 and the extrusion pads 316 are located at the four corners of the support frame 313. Through the connection between the second telescopic plate 315 and the connecting shaft 36, when the size of the front and rear fences 31 and the left and right fences 32 is adjusted, the length of the second telescopic plate 315 and the position of the push rod 39 are adjusted synchronously. The bottom of the push rod 39 slides along the slide groove 314 to avoid interfering with the adjustment of the length of the front and rear fences 31 and the left and right fences 32. When the vertical rod 312 moves to the low point of the circular frame 28,The second spring 320 in the moving groove 318 will drive the fence at this position to move downward, maintaining a height difference between the front and back and the sides, and using the height difference to limit the position of the paper while facilitating delivery. The paper is held inside the placement component 3 by the elastic force of the four push rods 39 and the first spring 310, and as the paper is used, the push rod 39 gradually pushes the lower layer of paper upward, ensuring that there is always paper available for delivery at the top.

[0033] In this embodiment, the driving component 2 also includes a screw rod 23. The interior of the slide rail 21 is rotatably installed with the screw rod 23 through a bearing, and the slide plate 29 is threadedly sleeved on the surface of the screw rod 23. The outer end of the slide rail 21 is fixed with a first motor 22, and the output end of the first motor 22 is fixedly connected to the screw rod 23. The screw rod 23 is driven to rotate by the first motor 22, and the slide plate 29 and the screw rod 23 are threadedly matched to drive the annular frame 28 and the placement component 3 to move away from the delivery plate 11, which can facilitate the rotation of the placement component 3 to change the delivery direction, and also facilitate the placement component 3 to move to the entrance end of the conveyor frame 1 to refill it with printing paper after the paper in the paper is used up.

[0034] In this embodiment, a first telescopic plate 311 is fixed to the outer side of the middle vertical plate of the front and rear fences 31 and the left and right fences 32, and a vertical rod 312 is fixed to the bottom of the first telescopic plate 311, and the bottom of the vertical rod 312 slides along the inside of the circular frame 28 through a slider, and the slopes on both sides of the circular frame 28 are higher than the front and rear heights, a second gear 26 is rotatably mounted on the surface of the inlet end of the conveying frame 1 through a bearing, and a socket 27 is fixed to the top of the center of the second gear 26, and the vertical column 38 can be slidably engaged in the socket 27, a second motor 24 is fixed to one side of the second gear 26 on the bottom surface of the conveying frame 1, and a first gear 25 is fixed to the output end of the second motor 24, the first gear 25 is meshed with the second gear 26, and the placement component 3 moves to the top of the second gear 26 along the slide rail 21 as the lead screw 23 drives, the socket 27 has two openings, and a rubber pad is provided on the inner wall, which can increase the engagement with the vertical column 38 The stability of the vertical column 38 is a square column. After being inserted into the front end opening of the socket 27, the first gear 25 can be driven by the second motor 24 to rotate and mesh with the second gear 26, so that the socket 27 and the vertical column 38 are connected to drive the placement component 3 to rotate. At this time, the front and rear fences 31 and the left and right fences 32 on the top of the placement component 3 are swapped. During the rotation, the vertical rods 312 on the outside of the front and rear fences 31 and the left and right fences 32 slide along the circular frame 28. The two sides of the circular frame 28 are provided with inclined surfaces and are higher than the front and back. The vertical rods 312 will drive the corresponding fences to produce vertical displacement. Therefore, the top height of the fences located at the front and back positions is lower than the left and right fences. This height difference is the space for sending out paper. The paper can be sent out from the front and back directions while being limited on both sides. Then, the vertical column 38 of the placement component 3 is sent out from another outlet through the screw rod 23. The two outlets of the socket 27 are set at ninety degrees, and both of them can send out the vertical column 38.

[0035] When using the device, the stacked papers are placed inside the placement component 3, and each vertical plate of the front and rear fences 31 and the left and right fences 32 are connected to each other through the plug plate 34, and the right-angled sides of the front and rear fences 31 and the left and right fences 32 are connected through the right-angle plate 35 to maintain the stability of the overall frame. At the same time, the front and rear and left and right lengths can be adjusted to meet the needs of papers of different sizes. The specific adjustment method is to rotate two staggered adjustment screws 322, and the adjustment screws 322 are bidirectional screws. The buckle frame 319 and the adjustment screws 322 are threadedly matched to adjust the length of the front and rear fences 31 and the left and right fences 32. When adjusting the length, the first telescopic plate 311 is retractable to maintain the connection between the outer side of the fence and the vertical rod 312, and cooperates with the support The support frame 313 wraps the stacked paper, and the four push rods 39 and the squeezing pads 316 are located at the four corners of the support frame 313. Through the connection between the second telescopic plate 315 and the connecting shaft 36, when the front and rear fences 31 and the left and right fences 32 are adjusted in size, the length of the second telescopic plate 315 and the position of the push rod 39 are adjusted synchronously, and the bottom of the push rod 39 slides along the slide groove 314 to avoid interfering with the adjustment of the length of the front and rear fences 31 and the left and right fences 32. When the vertical rod 312 moves to the low point of the circular frame 28, the second spring 320 in the moving groove 318 will drive the fence at this position to move downward, keeping the height difference between the front and back and the sides, and using the height difference to limit the paper while facilitating the delivery. The four push rods 39 and the elastic force of the first spring 310 are kept inside the placement component 3, and as the paper is used, the push rod 39 gradually pushes the lower layer of paper upward to ensure that there is always paper to be transported at the top, and then it is moved to the exit position of the conveying frame 1 by the driving component 2, and the rubber friction roller 14 rolls and squeezes the paper at the top of the placement component 3 to send it from the delivery plate 11 into the printer. When the paper delivery direction needs to be changed, the vertical column 38 is a square column. After being inserted into the front end opening of the socket 27, the first gear 25 can be driven by the second motor 24 to rotate and mesh with the second gear 26, so that the placement component 3 is driven to rotate by the clamping of the socket 27 and the vertical column 38. At this time, the placement component The front and rear fences 31 and the left and right fences 32 at the top of the 3 are swapped. During the rotation process, the vertical rods 312 on the outside of the front and rear fences 31 and the left and right fences 32 slide along the circular frame 28. The two sides of the circular frame 28 are provided with inclined surfaces and are higher than the front and rear. The vertical rods 312 will drive the corresponding fences to produce vertical displacement. Therefore, the top height of the fences located at the front and rear positions is lower than the left and right fences. This height difference is the space for sending out the paper. The paper can be sent out from the front and rear directions while being limited on both sides. Then, the vertical column 38 of the placement component 3 is sent out from another outlet through the screw rod 23. The two outlets of the socket 27 are set at 90 degrees, and both can send out the vertical column 38. The direction of the paper is rotated 90 degrees and re-transmitted.

[0036] The basic principles and main features of the present invention and the advantages of the present invention are shown and described above. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention.

[0037] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A paper direction changing device for a digital printer, comprising a conveying frame (1), characterized in that: The conveying frame (1) is provided with a placement component (3) inside, and the placement component (3) includes a front and rear fence (31), and left and right fences (32) are provided on both sides of the front and rear fences (31), and the front and rear fences (31) and the left and right fences (32) are each composed of three vertical plates, and rollers (33) are rotatably installed on the tops of the vertical plates of the front and rear fences (31) and the left and right fences (32), and plug plates (34) are equidistantly slidably inserted between the adjacent vertical plates of the front and rear fences (31) and the left and right fences (32), and a support frame (313) is provided at the bottom of the front and rear fences (31) and the left and right fences (32), and the support frame (313) is composed of a circular plate and two straight plates, and the two straight plates of the support frame (313) are slidably inserted between the front and rear fences (31) and the left and right fences (3 2), driving components (2) are provided on both sides of the conveying frame (1), and the driving components (2) include slide rails (21), the inner walls of both sides of the conveying frame (1) are fixed with slide rails (21), and the slide rails (21) are slidably connected to the inside of the slide rails (21), and a circular ring frame (28) is fixed to the outside of the slide rail (29), and the front and rear fences (31) and the left and right fences (32) are installed inside the circular ring frame (28), an outlet is opened on the top of one side of the conveying frame (1), and a delivery plate (11) is provided at the outlet end of the conveying frame (1), a top frame (12) is fixed on the top of the conveying frame (1), and two groups of rubber friction rollers (14) are installed on the top of the top frame (12) corresponding to the protection area of ​​the front and rear fences (31) and the left and right fences (32).

2. The paper direction changing device for a digital printer according to claim 1, characterized in that: Two groups of electric push rods (13) are fixed on the top of the top frame (12), and two groups of telescopic frames (15) are fixed on the extended ends of the electric push rods (13), and the two ends of the telescopic frames (15) are respectively connected and installed with two groups of rubber friction rollers (14).

3. The paper direction changing device for a digital printer according to claim 1, characterized in that: The placement assembly (3) further comprises a vertical column (38), the vertical column (38) being fixed to the bottom of the circular plate of the support frame (313), and a bottom plate (37) being slidably sleeved on the bottom surface of the vertical column (38), and top rods (39) being provided at the four corners of the top of the bottom plate (37), and a compression pad (316) being fixed to the top of the top rod (39).

4. The paper direction changing device for a digital printer according to claim 3, characterized in that: Side grooves (317) are provided on the sides of the vertical plates on both sides of the front and rear fences (31) and the left and right fences (32), and an insertion frame (321) is slidably connected inside the side grooves (317), and right-angle plates (35) are equidistantly provided inside the side grooves (317) of the front and rear fences (31) and the left and right fences (32), and two ends of the right-angle plates (35) are slidably inserted inside the insertion frames (321) of the front and rear fences (31) and the left and right fences (32).

5. The paper direction changing device for a digital printer according to claim 4, characterized in that: A connecting shaft (36) is fixed at the middle position of the right-angle plate (35), and the bottom of the connecting shaft (36) is rotatably connected to the second telescopic plate (315) via a rotating shaft. The push rod (39) is slidably inserted into the extended end of the second telescopic plate (315), and the other end of the second telescopic plate (315) is rotatably mounted on the bottom surface of the circular plate of the support frame (313) via a rotating shaft. The push rod (39) is located between the second telescopic plate (315) and the bottom plate (37) and is sleeved with a first spring (310). A sliding groove (314) is provided on the surface of the bottom plate (37), and the bottom of the push rod (39) slides along the sliding groove (314) via a slider.

6. The paper direction changing device for a digital printer according to claim 5, characterized in that: A movable groove (318) is provided at the bottom of the middle vertical plate of the front and rear fences (31) and the left and right fences (32), and a buckle frame (319) is slidably connected in the movable groove (318), the horizontal plate of the support frame (313) slides through the buckle frame (319), and a second spring (320) is fixed on the top of the buckle frame (319), and the other end of the second spring (320) is fixedly connected to the inner wall of the top of the movable groove (318).

7. The paper direction changing device for a digital printer according to claim 6, characterized in that: The bottom of the two straight plates of the support frame (313) are rotatably mounted with adjusting screws (322) via bearings. The two adjusting screws (322) are staggered, and the bottom of the buckle frame (319) is threadedly sleeved on the surface of each adjusting screw (322).

8. The paper direction changing device for a digital printer according to claim 7, characterized in that: A first telescopic plate (311) is fixed to the outside of the middle vertical plates of the front and rear fences (31) and the left and right fences (32), and a vertical rod (312) is fixed to the bottom of the first telescopic plate (311). The bottom of the vertical rod (312) slides along the inside of the circular frame (28) via a slider, and the slopes of the two sides of the circular frame (28) are higher than the heights of the front and rear.

9. The paper direction changing device for a digital printer according to claim 8, characterized in that: The drive assembly (2) further comprises a screw (23), the screw (23) being rotatably mounted inside the slide rail (21) via a bearing, and the slide plate (29) being threadedly sleeved on the surface of the screw (23), a first motor (22) being fixed to the outer end of the slide rail (21), and an output end of the first motor (22) being fixedly connected to the screw (23).

10. The paper direction changing device for a digital printer according to claim 9, characterized in that: A second gear (26) is rotatably mounted on the surface of the inlet end of the conveying frame (1) via a bearing, and a socket (27) is fixed at the top of the center of the second gear (26), and the vertical column (38) can be slidably engaged in the socket (27). A second motor (24) is fixed on the bottom surface of the conveying frame (1) at one side of the second gear (26), and a first gear (25) is fixed at the output end of the second motor (24), and the first gear (25) is meshingly connected with the second gear (26).

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