A rotary screen printing machine

Abstract

The present invention relates to the technical field of printing machines, and in particular to a circular screen printing machine, including a base plate assembly, a screen drive assembly, a screen roller assembly, a sliding assembly, a scraper assembly, an ink knife assembly and a printing vertical plate assembly, wherein the screen drive assembly is slidably connected to the right side of the top of the base plate assembly, the sliding assembly is slidably connected to the middle of the top of the base plate assembly, the screen roller assembly is rotatably connected between the sliding assembly and the screen drive assembly, and the number of scraper assemblies is two, and the two scraper assemblies are symmetrically fixedly connected to the front and rear sides of the middle of the top of the base plate assembly. The screen drive assembly of the invention can drive the screen roller assembly, and the ink enters the interior of the screen roller assembly from the ink knife assembly. The screen roller assembly rotates to cooperate with the ink knife assembly to print the product, and the sliding assembly limits the position of the screen roller assembly, thereby ensuring the stability of the screen roller assembly. At the same time, it is convenient to repair and maintain it, and the operation is convenient, thereby improving work efficiency.

Description

Technical Field

[0001] The invention relates to the technical field of printing machines, in particular to a rotary screen printing machine. Background Art

[0002] A screen printer is a machine that uses a screen printing plate to print, and is a type of printing press. A screen printer is a machine that prints text and images, and is a general term for machines or equipment used to produce printed products. A screen printer is a more representative printing device among stencil printers. In addition to silk, the materials used to make the screen can also be nylon wire, copper wire, steel wire or stainless steel wire, etc. It can be divided into flat screen printers, curved screen printers, rotary screen printers, etc.

[0003] With the increase in the types of screen printing products, the types of screen materials and screen plates are also increasing day by day. The commonly used one is the flat screen printing machine. When the flat screen printing machine is in use, the printed object is stationary, and the scraper moves back and forth to achieve printing. Its characteristic is that the object is stationary, but due to thermal expansion and contraction during movement, the screen will have irregular expansion and contraction ratios, affecting the printing effect. The current round screen printing machine has a complex structure, inconvenient maintenance and low efficiency. Summary of the invention

[0004] 1. Technical issues to be solved

[0005] In view of the deficiencies in the prior art, the present invention provides a rotary screen printing machine which has the advantage of being easy to maintain and solves the problems of the existing rotary screen printing machine, such as complex structure, inconvenient repair and maintenance, and low efficiency.

[0006] (II) Technical solution

[0007] To achieve the above technical problems, the present invention provides a circular screen printing machine, comprising a base plate assembly, a screen drive assembly, a screen roller assembly, a sliding assembly, a scraper assembly, an inking knife assembly and a printing vertical plate assembly, wherein the screen drive assembly is slidably connected to the right side of the top of the base plate assembly, the sliding assembly is slidably connected to the middle of the top of the base plate assembly, the screen roller assembly is rotatably connected between the sliding assembly and the screen drive assembly, there are two scraper assemblies, and the two scraper assemblies are symmetrically fixedly connected to the front and rear sides of the middle of the top of the base plate assembly, the inking knife assembly is fixedly connected between the two scraper assemblies, the printing vertical plate assembly is fixedly connected to the right side of the top of the base plate assembly, and the printing vertical plate assembly is located in the middle of the screen drive assembly.

[0008] The screen roller assembly includes a screen roller, a gear seat, and a third gear. There are two gear seats, which are symmetrically fixedly connected to the two ends of the screen roller, and the third gear is fixedly sleeved on the outer surface of the gear seat.

[0009] The ink-hanging knife assembly includes a fixed seat, a scraper rod, a scraper blade, a pressure plate, a scraper rubber strip, an ink filling tube and an ink filling fountain. The fixed seat is fixedly connected to the scraper assembly, the scraper rod is fixedly inserted in the fixed seat, and the scraper rod is located in the interior of the screen roller, the scraper blade is fixedly connected to the middle part of the outer surface of the scraper rod, the pressure plate is fixedly connected to the bottom of the scraper blade, the scraper rubber strip is fixedly connected to the blade edge of the scraper blade, the side of the scraper rubber strip contacts the inner side wall of the screen roller, the ink filling tube is fixedly inserted in the top of the fixed seat, one end of the ink filling tube extends in the interior of the screen roller, and one end of the ink filling tube is located at the top of the scraper blade, and the ink filling fountain is fixedly connected to the other end of the ink filling tube.

[0010] Furthermore, the screen driving assembly includes a support plate, a transmission frame, a servo motor, a transmission shaft, a first gear, a pneumatic clutch, a second gear and a pulley, the support plate is slidably connected to the top of the base plate assembly, the number of the transmission frames is two, and the two transmission frames are symmetrically fixedly connected to the two sides of the support plate, the servo motor is fixedly connected to one side of one of the transmission frames, the transmission shaft is fixedly connected to the output end of the servo motor, one end of the transmission shaft passes through and extends to the outside of the other transmission frame, the pneumatic clutch is fixedly connected to one end of the transmission shaft, the number of the first gears is two, the two first gears are symmetrically fixedly sleeved on both sides of the outer surface of the transmission shaft, and the first gear is located inside the transmission frame, the second gear is rotatably connected to one side of the inner wall of the transmission frame, the teeth of the second gear are respectively meshed with the teeth of the first gear and the third gear, the pulley is rotatably connected to the other side of the inner wall of the transmission frame, the pulley and the second gear are arranged opposite to each other, and the disk on the pulley is tightly fitted with the outer surface of the gear seat.

[0011] Furthermore, the sliding assembly includes a base, an adjusting cylinder, an inner bracket, an outer bracket, a push-pull cylinder, a pull rod, a connecting seat and a guide shaft. The base is slidably connected to the middle part of the top of the base plate assembly. There are two adjusting cylinders, and the bottoms of the two adjusting cylinders are respectively fixedly connected to the front and rear sides of the middle part of the top of the base plate assembly. The output end of the adjusting cylinder is fixedly connected to the side of the base, the inner bracket is fixedly connected to one side of the top of the base, and the outer bracket is fixedly connected to the other side of the top of the base. The push-pull cylinder is fixedly connected to the outside of the inner bracket, and the pull rod is fixedly connected to the output end of the push-pull cylinder. The connecting seat is fixedly sleeved on the outer surface of the pull rod, and the guide shaft is fixedly connected between the inner bracket and the outer bracket, and the connecting seat is slidably sleeved on the outer surface of the guide shaft. The upper and lower ends of the inner bracket and one side of the connecting seat are rotatably connected with rubber-coated bearings, and the outer surface of the rubber-coated bearing is tightly fitted with the outer surface of the gear seat.

[0012] Furthermore, the printing vertical plate assembly includes a vertical plate, a guide shaft, a roller and a nut. The number of the vertical plates is two, and the two vertical plates are symmetrically fixedly connected to the right side of the top of the connecting plate on the bottom plate assembly. The guide shaft is rotatably connected to one side between the two vertical plates, and the roller is rotatably connected to the other side between the two vertical plates, and the roller is arranged parallel to the guide shaft, and the nut is embedded in the bottom middle of the side of one of the vertical plates.

[0013] Furthermore, the adjustment knob assembly includes a square support, a trapezoidal screw and a knob, the square support is fixedly connected to the right side of the top of the base plate of the base plate assembly, the trapezoidal screw is rotatably connected to the inside of the square support, the knob is fixedly connected to one end of the trapezoidal screw, and the knob is located on the outside of the square support, the other end of the trapezoidal screw passes through the nut and extends to the inner side of the vertical plate, and the outer surface of the trapezoidal screw is threadedly connected to the nut.

[0014] Furthermore, both front and rear ends of the top left side of the bottom plate assembly are fixedly connected with a fixing seat assembly, and a connecting rod is rotatably connected between the two fixing seat assemblies.

[0015] Furthermore, a guide wheel assembly is rotatably connected to the middle of the top of the base plate assembly, the top of the guide wheel assembly is rotatably connected to the bottom of the screen roller, and a control screen is fixedly connected to the right side of the top of the base plate assembly, and the control screen is electrically connected to the screen drive assembly and the sliding assembly respectively.

[0016] (III) Beneficial effects

[0017] The present invention provides a rotary screen printing machine, which has the following beneficial effects:

[0018] 1. The product of the invention passes through the bottom of the screen roller assembly through the connecting rod, and the screen driving assembly can drive the screen roller assembly. The ink enters the interior of the screen roller assembly from the ink hanging knife assembly. The screen roller assembly rotates and cooperates with the ink hanging knife assembly to print the product. The sliding assembly limits the position of the screen roller assembly, ensuring the stability of the screen roller assembly. At the same time, it is convenient to repair and maintain it. It has a simple structure, is easy to operate, and improves work efficiency.

[0019] 2. The invention uses the screen roller assembly and the ink knife assembly in coordination to pour ink into the ink fountain, and the ink enters the interior of the screen roller from the ink tube. The screen roller rotates, and the scraper strip on the scraper blade fits against the inner wall of the screen roller. The product can complete the screen printing action directly on the rotating screen roller, with high printing efficiency and improved screen printing quality.

[0020] 3. Through the setting of the screen drive component, the servo motor can rotate the transmission shaft when it is working, so that the first gear rotates, the first gear drives the second gear to rotate, and the second gear can drive the third gear to rotate in a circle, thereby causing the screen roller to rotate. The structure is simple and the operation is smooth and reliable.

[0021] 4. Through the setting of the sliding component, the invention allows the adjusting cylinder to push or pull the base, thereby adjusting the position of the base, which can better cooperate with the rubber-coated bearing to separate and fit the screen roller, thereby ensuring the stability of the screen roller operation. At the same time, it is also convenient for maintenance and repair, thereby improving practicality and reliability. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the structure of the present invention;

[0023] Figure 2 It is a schematic diagram of the local structure of the present invention;

[0024] Figure 3 It is a schematic structural diagram of the bottom plate assembly and the guide wheel assembly of the present invention;

[0025] Figure 4 This is a schematic diagram of the structure of the screen drive component of the present invention;

[0026] Figure 5 This is a schematic structural diagram of the screen roller assembly of the present invention;

[0027] Figure 6 The schematic diagram of the structure of the printed vertical plate assembly and the adjusting knob assembly of the present invention is

[0028] Figure 7 This is a schematic diagram of the structure of the ink hanging knife assembly of the present invention;

[0029] Figure 8 It is a schematic diagram of the structure of the sliding assembly of the present invention;.

[0030] In the figure: 1, bottom plate assembly; 2, fixed seat assembly; 3, connecting rod; 4, screen drive assembly; 401, support plate; 402, transmission stand; 403, servo motor; 404, transmission shaft; 405, first gear; 406, pneumatic clutch; 407, second gear; 408, pulley; 5, screen roller assembly; 501, screen roller; 502, gear seat; 503, third gear; 6, sliding assembly; 601, base; 602, adjusting cylinder; 603, inner bracket; 604, outer bracket; 605, push-pull cylinder; 606, pull Rod; 607, connecting seat; 608, rubber-coated bearing; 609, guide shaft; 7, scraper assembly; 8, ink knife assembly; 801, fixed seat; 802, scraper rod; 803, scraper blade; 804, pressure plate; 805, scraper strip; 806, ink tube; 807, ink fountain; 9, printing vertical plate assembly; 901, vertical plate; 902, guide shaft; 903, roller; 904, nut; 10, adjustment knob assembly; 1001, square support; 1002, trapezoidal screw rod; 1003, knob; 11, control panel; 12, guide wheel assembly. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] See also Figure 1-8 The present invention is further illustrated by the following embodiments.

[0033] Embodiment 1:

[0034] A rotary screen printing machine comprises a bottom plate assembly 1, a screen drive assembly 4, a screen roller assembly 5, a sliding assembly 6, a scraper assembly 7, an ink hanging knife assembly 8 and a printing vertical plate assembly 9, wherein the screen drive assembly 4 is slidably connected to the right side of the top of the bottom plate assembly 1, the sliding assembly 6 is slidably connected to the middle of the top of the bottom plate assembly 1, the screen roller assembly 5 is rotatably connected between the sliding assembly 6 and the screen drive assembly 4, the number of the scraper assemblies 7 is two, and the two scraper assemblies 7 are symmetrically fixedly connected to the front and rear sides of the middle of the top of the bottom plate assembly 1, and the ink hanging knife assembly 8 is fixedly connected to the two scraper assemblies 7, the printing upright plate assembly 9 is fixedly connected to the right side of the top of the base plate assembly 1, and the printing upright plate assembly 9 is located in the middle of the screen driving assembly 4, the front and rear ends of the left side of the top of the base plate assembly 1 are fixedly connected with the fixed seat assembly 2, the two fixed seat assemblies 2 are rotatably connected with a connecting rod 3, the middle of the top of the base plate assembly 1 is rotatably connected with a guide wheel assembly 12, the top of the guide wheel assembly 12 is rotatably connected to the bottom of the screen roller 501, and the right side of the top of the base plate assembly 1 is fixedly connected with a control panel 11, and the control panel 11 is electrically connected to the screen driving assembly 4 and the sliding assembly 6 respectively.

[0035] The product passes through the bottom of the screen roller assembly 5 through the connecting rod 3, the screen drive assembly 4 can drive the screen roller assembly 5, and the ink enters the interior of the screen roller assembly 5 from the ink hanging knife assembly 8. The screen roller assembly 5 rotates to cooperate with the ink hanging knife assembly 8 to print the product. The sliding assembly 6 limits the position of the screen roller assembly 5, ensuring the stability of the screen roller assembly 5. At the same time, it is convenient to repair and maintain it, with a simple structure, easy operation, and improved work efficiency.

[0036] Embodiment 2:

[0037] A rotary screen printing machine comprises a bottom plate assembly 1, a screen drive assembly 4, a screen roller assembly 5, a sliding assembly 6, a scraper assembly 7, an ink hanging knife assembly 8 and a printing vertical plate assembly 9, wherein the screen drive assembly 4 is slidably connected to the right side of the top of the bottom plate assembly 1, the sliding assembly 6 is slidably connected to the middle of the top of the bottom plate assembly 1, the screen roller assembly 5 is rotatably connected between the sliding assembly 6 and the screen drive assembly 4, the number of the scraper assemblies 7 is two, and the two scraper assemblies 7 are symmetrically fixedly connected to the front and rear sides of the middle of the top of the bottom plate assembly 1, and the ink hanging knife assembly 8 is fixedly connected to the two scraper assemblies 7, the printing upright plate assembly 9 is fixedly connected to the right side of the top of the base plate assembly 1, and the printing upright plate assembly 9 is located in the middle of the screen driving assembly 4, the front and rear ends of the left side of the top of the base plate assembly 1 are fixedly connected with the fixed seat assembly 2, the two fixed seat assemblies 2 are rotatably connected with a connecting rod 3, the middle of the top of the base plate assembly 1 is rotatably connected with a guide wheel assembly 12, the top of the guide wheel assembly 12 is rotatably connected to the bottom of the screen roller 501, and the right side of the top of the base plate assembly 1 is fixedly connected with a control panel 11, and the control panel 11 is electrically connected to the screen driving assembly 4 and the sliding assembly 6 respectively.

[0038] The screen roller assembly 5 includes a screen roller 501 , a gear seat 502 , and a third gear 503 . There are two gear seats 502 , which are symmetrically fixedly connected to both ends of the screen roller 501 . The third gear 503 is fixedly sleeved on the outer surface of the gear seat 502 .

[0039] The ink knife assembly 8 includes a fixed seat 801, a scraper rod 802, a scraper blade 803, a pressure plate 804, a scraper strip 805, an ink adding tube 806 and an ink adding fountain 807. The fixed seat 801 is fixedly connected to the scraper assembly 7, the scraper rod 802 is fixedly plugged into the inside of the fixed seat 801, and the scraper rod 802 is located inside the screen roller 501. The scraper blade 803 is fixedly connected to the middle of the outer surface of the scraper rod 802, and the pressure plate 804 is fixed. Connected to the bottom of the scraper blade 803, the scraper strip 805 is fixedly connected to the blade of the scraper blade 803, the side of the scraper strip 805 contacts the inner wall of the screen roller 501, the ink adding tube 806 is fixedly inserted at the top inside the fixed seat 801, one end of the ink adding tube 806 extends inside the screen roller 501, and one end of the ink adding tube 806 is located at the top of the scraper blade 803, and the ink adding fountain 807 is fixedly connected to the other end of the ink adding tube 806.

[0040] By using the screen roller assembly 5 and the ink knife assembly 8 in coordination, the ink is poured into the ink fountain 807, and the ink enters the interior of the screen roller 501 from the ink tube 806. The screen roller 501 rotates, and the scraper strip 805 on the scraper blade 803 fits with the inner wall of the screen roller 501. The product can be directly screen-printed on the rotating screen roller 501, which has high printing efficiency and improves the quality of screen printing.

[0041] Embodiment three:

[0042] A rotary screen printing machine comprises a bottom plate assembly 1, a screen drive assembly 4, a screen roller assembly 5, a sliding assembly 6, a scraper assembly 7, an ink hanging knife assembly 8 and a printing vertical plate assembly 9, wherein the screen drive assembly 4 is slidably connected to the right side of the top of the bottom plate assembly 1, the sliding assembly 6 is slidably connected to the middle of the top of the bottom plate assembly 1, the screen roller assembly 5 is rotatably connected between the sliding assembly 6 and the screen drive assembly 4, the number of the scraper assemblies 7 is two, and the two scraper assemblies 7 are symmetrically fixedly connected to the front and rear sides of the middle of the top of the bottom plate assembly 1, and the ink hanging knife assembly 8 is fixedly connected to the two scraper assemblies 7, the printing upright plate assembly 9 is fixedly connected to the right side of the top of the base plate assembly 1, and the printing upright plate assembly 9 is located in the middle of the screen driving assembly 4, the front and rear ends of the left side of the top of the base plate assembly 1 are fixedly connected with the fixed seat assembly 2, the two fixed seat assemblies 2 are rotatably connected with a connecting rod 3, the middle of the top of the base plate assembly 1 is rotatably connected with a guide wheel assembly 12, the top of the guide wheel assembly 12 is rotatably connected to the bottom of the screen roller 501, and the right side of the top of the base plate assembly 1 is fixedly connected with a control panel 11, and the control panel 11 is electrically connected to the screen driving assembly 4 and the sliding assembly 6 respectively.

[0043] The screen roller assembly 5 includes a screen roller 501 , a gear seat 502 , and a third gear 503 . There are two gear seats 502 , which are symmetrically fixedly connected to both ends of the screen roller 501 . The third gear 503 is fixedly sleeved on the outer surface of the gear seat 502 .

[0044] The ink knife assembly 8 includes a fixed seat 801, a scraper rod 802, a scraper blade 803, a pressure plate 804, a scraper strip 805, an ink adding tube 806 and an ink adding fountain 807. The fixed seat 801 is fixedly connected to the scraper assembly 7, the scraper rod 802 is fixedly plugged into the inside of the fixed seat 801, and the scraper rod 802 is located inside the screen roller 501. The scraper blade 803 is fixedly connected to the middle of the outer surface of the scraper rod 802, and the pressure plate 804 is fixed. Connected to the bottom of the scraper blade 803, the scraper strip 805 is fixedly connected to the blade of the scraper blade 803, the side of the scraper strip 805 contacts the inner wall of the screen roller 501, the ink adding tube 806 is fixedly inserted at the top inside the fixed seat 801, one end of the ink adding tube 806 extends inside the screen roller 501, and one end of the ink adding tube 806 is located at the top of the scraper blade 803, and the ink adding fountain 807 is fixedly connected to the other end of the ink adding tube 806.

[0045] The screen drive assembly 4 includes a support plate 401, a transmission stand 402, a servo motor 403, a transmission shaft 404, a first gear 405, a pneumatic clutch 406, a second gear 407 and a pulley 408. The support plate 401 is slidably connected to the top of the bottom plate assembly 1. There are two transmission stands 402, which are symmetrically fixedly connected to both sides of the support plate 401. The servo motor 403 is fixedly connected to one side of one of the transmission stands 402. The transmission shaft 404 is fixedly connected to the output end of the servo motor 403. One end of the transmission shaft 404 passes through and extends to the outside of the other transmission stand 402. The pneumatic clutch 406 The clutch 406 is fixedly connected to one end of the transmission shaft 404, and there are two first gears 405. The two first gears 405 are symmetrically fixedly sleeved on both sides of the outer surface of the transmission shaft 404, and the first gears 405 are located inside the transmission frame 402. The second gear 407 is rotatably connected to one side of the inner wall of the transmission frame 402, and the teeth of the second gear 407 are respectively meshed with the teeth of the first gear 405 and the third gear 503. The pulley 408 is rotatably connected to the other side of the inner wall of the transmission frame 402, and the pulley 408 is arranged opposite to the second gear 407. The disk on the pulley 408 fits tightly with the outer surface of the gear seat 502.

[0046] Through the setting of the screen drive component 4, the operation of the servo motor 403 can cause the transmission shaft 404 to rotate, so that the first gear 405 rotates, and the first gear 405 drives the second gear 407 to rotate. The third gear 503 can be driven to rotate in a circle through the second gear 407, thereby causing the screen roller 501 to rotate. The structure is simple and the operation is smooth and reliable.

[0047] Embodiment 4:

[0048] A rotary screen printing machine comprises a bottom plate assembly 1, a screen drive assembly 4, a screen roller assembly 5, a sliding assembly 6, a scraper assembly 7, an ink hanging knife assembly 8 and a printing vertical plate assembly 9, wherein the screen drive assembly 4 is slidably connected to the right side of the top of the bottom plate assembly 1, the sliding assembly 6 is slidably connected to the middle of the top of the bottom plate assembly 1, the screen roller assembly 5 is rotatably connected between the sliding assembly 6 and the screen drive assembly 4, the number of the scraper assemblies 7 is two, and the two scraper assemblies 7 are symmetrically fixedly connected to the front and rear sides of the middle of the top of the bottom plate assembly 1, and the ink hanging knife assembly 8 is fixedly connected to the two scraper assemblies 7, the printing upright plate assembly 9 is fixedly connected to the right side of the top of the base plate assembly 1, and the printing upright plate assembly 9 is located in the middle of the screen driving assembly 4, the front and rear ends of the left side of the top of the base plate assembly 1 are fixedly connected with the fixed seat assembly 2, the two fixed seat assemblies 2 are rotatably connected with a connecting rod 3, the middle of the top of the base plate assembly 1 is rotatably connected with a guide wheel assembly 12, the top of the guide wheel assembly 12 is rotatably connected to the bottom of the screen roller 501, and the right side of the top of the base plate assembly 1 is fixedly connected with a control panel 11, and the control panel 11 is electrically connected to the screen driving assembly 4 and the sliding assembly 6 respectively.

[0049] The screen roller assembly 5 includes a screen roller 501 , a gear seat 502 , and a third gear 503 . There are two gear seats 502 , which are symmetrically fixedly connected to both ends of the screen roller 501 . The third gear 503 is fixedly sleeved on the outer surface of the gear seat 502 .

[0050] The ink knife assembly 8 includes a fixed seat 801, a scraper rod 802, a scraper blade 803, a pressure plate 804, a scraper strip 805, an ink adding tube 806 and an ink adding fountain 807. The fixed seat 801 is fixedly connected to the scraper assembly 7, the scraper rod 802 is fixedly plugged into the inside of the fixed seat 801, and the scraper rod 802 is located inside the screen roller 501. The scraper blade 803 is fixedly connected to the middle of the outer surface of the scraper rod 802, and the pressure plate 804 is fixed. Connected to the bottom of the scraper blade 803, the scraper strip 805 is fixedly connected to the blade of the scraper blade 803, the side of the scraper strip 805 contacts the inner wall of the screen roller 501, the ink adding tube 806 is fixedly inserted at the top inside the fixed seat 801, one end of the ink adding tube 806 extends inside the screen roller 501, and one end of the ink adding tube 806 is located at the top of the scraper blade 803, and the ink adding fountain 807 is fixedly connected to the other end of the ink adding tube 806.

[0051] The screen drive assembly 4 includes a support plate 401, a transmission stand 402, a servo motor 403, a transmission shaft 404, a first gear 405, a pneumatic clutch 406, a second gear 407 and a pulley 408. The support plate 401 is slidably connected to the top of the bottom plate assembly 1. There are two transmission stands 402, which are symmetrically fixedly connected to both sides of the support plate 401. The servo motor 403 is fixedly connected to one side of one of the transmission stands 402. The transmission shaft 404 is fixedly connected to the output end of the servo motor 403. One end of the transmission shaft 404 passes through and extends to the outside of the other transmission stand 402. The pneumatic clutch 406 The clutch 406 is fixedly connected to one end of the transmission shaft 404, and there are two first gears 405. The two first gears 405 are symmetrically fixedly sleeved on both sides of the outer surface of the transmission shaft 404, and the first gears 405 are located inside the transmission frame 402. The second gear 407 is rotatably connected to one side of the inner wall of the transmission frame 402, and the teeth of the second gear 407 are respectively meshed with the teeth of the first gear 405 and the third gear 503. The pulley 408 is rotatably connected to the other side of the inner wall of the transmission frame 402, and the pulley 408 is arranged opposite to the second gear 407. The disk on the pulley 408 fits tightly with the outer surface of the gear seat 502.

[0052] The sliding assembly 6 includes a base 601, an adjusting cylinder 602, an inner bracket 603, an outer bracket 604, a push-pull cylinder 605, a pull rod 606, a connecting seat 607 and a guide shaft 609. The base 601 is slidably connected to the middle of the top of the bottom plate assembly 1. There are two adjusting cylinders 602. The bottoms of the two adjusting cylinders 602 are respectively fixedly connected to the front and rear sides of the middle of the top of the bottom plate assembly 1. The output end of the adjusting cylinder 602 is fixedly connected to the side of the base 601. The inner bracket 603 is fixedly connected to one side of the top of the base 601. The outer bracket 604 is fixedly connected to the Connected to the other side of the top of the base 601, the push-pull cylinder 605 is fixedly connected to the outside of the inner bracket 603, the pull rod 606 is fixedly connected to the output end of the push-pull cylinder 605, the connecting seat 607 is fixedly sleeved on the outer surface of the pull rod 606, the guide shaft 609 is fixedly connected between the inner bracket 603 and the outer bracket 604, and the connecting seat 607 is slidably sleeved on the outer surface of the guide shaft 609, and the upper and lower ends of one side of the inner bracket 603 and the connecting seat 607 are rotatably connected with rubber-coated bearings 608, and the outer surface of the rubber-coated bearing 608 is tightly fitted with the outer surface of the gear seat 502.

[0053] Through the setting of the sliding component 6, the adjusting cylinder 602 can push or pull the base 601, and adjust the position of the base 601, which can better cooperate with the rubber-coated bearing 608 to separate and fit the screen roller 501, ensuring the stability of the operation of the screen roller 501. At the same time, it is also convenient for its maintenance and repair, thereby improving practicality and reliability.

[0054] Embodiment five:

[0055] A rotary screen printing machine comprises a bottom plate assembly 1, a screen drive assembly 4, a screen roller assembly 5, a sliding assembly 6, a scraper assembly 7, an ink hanging knife assembly 8 and a printing vertical plate assembly 9, wherein the screen drive assembly 4 is slidably connected to the right side of the top of the bottom plate assembly 1, the sliding assembly 6 is slidably connected to the middle of the top of the bottom plate assembly 1, the screen roller assembly 5 is rotatably connected between the sliding assembly 6 and the screen drive assembly 4, the number of the scraper assemblies 7 is two, and the two scraper assemblies 7 are symmetrically fixedly connected to the front and rear sides of the middle of the top of the bottom plate assembly 1, and the ink hanging knife assembly 8 is fixedly connected to the two scraper assemblies 7, the printing upright plate assembly 9 is fixedly connected to the right side of the top of the base plate assembly 1, and the printing upright plate assembly 9 is located in the middle of the screen driving assembly 4, the front and rear ends of the left side of the top of the base plate assembly 1 are fixedly connected with the fixed seat assembly 2, the two fixed seat assemblies 2 are rotatably connected with a connecting rod 3, the middle of the top of the base plate assembly 1 is rotatably connected with a guide wheel assembly 12, the top of the guide wheel assembly 12 is rotatably connected to the bottom of the screen roller 501, and the right side of the top of the base plate assembly 1 is fixedly connected with a control panel 11, and the control panel 11 is electrically connected to the screen driving assembly 4 and the sliding assembly 6 respectively.

[0056] The screen roller assembly 5 includes a screen roller 501 , a gear seat 502 , and a third gear 503 . There are two gear seats 502 , which are symmetrically fixedly connected to both ends of the screen roller 501 . The third gear 503 is fixedly sleeved on the outer surface of the gear seat 502 .

[0057] The ink knife assembly 8 includes a fixed seat 801, a scraper rod 802, a scraper blade 803, a pressure plate 804, a scraper strip 805, an ink adding tube 806 and an ink adding fountain 807. The fixed seat 801 is fixedly connected to the scraper assembly 7, the scraper rod 802 is fixedly plugged into the inside of the fixed seat 801, and the scraper rod 802 is located inside the screen roller 501. The scraper blade 803 is fixedly connected to the middle of the outer surface of the scraper rod 802, and the pressure plate 804 is fixed. Connected to the bottom of the scraper blade 803, the scraper strip 805 is fixedly connected to the blade of the scraper blade 803, the side of the scraper strip 805 contacts the inner wall of the screen roller 501, the ink adding tube 806 is fixedly inserted at the top inside the fixed seat 801, one end of the ink adding tube 806 extends inside the screen roller 501, and one end of the ink adding tube 806 is located at the top of the scraper blade 803, and the ink adding fountain 807 is fixedly connected to the other end of the ink adding tube 806.

[0058] The screen drive assembly 4 includes a support plate 401, a transmission stand 402, a servo motor 403, a transmission shaft 404, a first gear 405, a pneumatic clutch 406, a second gear 407 and a pulley 408. The support plate 401 is slidably connected to the top of the bottom plate assembly 1. There are two transmission stands 402, which are symmetrically fixedly connected to both sides of the support plate 401. The servo motor 403 is fixedly connected to one side of one of the transmission stands 402. The transmission shaft 404 is fixedly connected to the output end of the servo motor 403. One end of the transmission shaft 404 passes through and extends to the outside of the other transmission stand 402. The pneumatic clutch 406 The clutch 406 is fixedly connected to one end of the transmission shaft 404, and there are two first gears 405. The two first gears 405 are symmetrically fixedly sleeved on both sides of the outer surface of the transmission shaft 404, and the first gears 405 are located inside the transmission frame 402. The second gear 407 is rotatably connected to one side of the inner wall of the transmission frame 402, and the teeth of the second gear 407 are respectively meshed with the teeth of the first gear 405 and the third gear 503. The pulley 408 is rotatably connected to the other side of the inner wall of the transmission frame 402, and the pulley 408 is arranged opposite to the second gear 407. The disk on the pulley 408 fits tightly with the outer surface of the gear seat 502.

[0059] The sliding assembly 6 includes a base 601, an adjusting cylinder 602, an inner bracket 603, an outer bracket 604, a push-pull cylinder 605, a pull rod 606, a connecting seat 607 and a guide shaft 609. The base 601 is slidably connected to the middle of the top of the bottom plate assembly 1. There are two adjusting cylinders 602. The bottoms of the two adjusting cylinders 602 are respectively fixedly connected to the front and rear sides of the middle of the top of the bottom plate assembly 1. The output end of the adjusting cylinder 602 is fixedly connected to the side of the base 601. The inner bracket 603 is fixedly connected to one side of the top of the base 601. The outer bracket 604 is fixedly connected to the Connected to the other side of the top of the base 601, the push-pull cylinder 605 is fixedly connected to the outside of the inner bracket 603, the pull rod 606 is fixedly connected to the output end of the push-pull cylinder 605, the connecting seat 607 is fixedly sleeved on the outer surface of the pull rod 606, the guide shaft 609 is fixedly connected between the inner bracket 603 and the outer bracket 604, and the connecting seat 607 is slidably sleeved on the outer surface of the guide shaft 609, and the upper and lower ends of one side of the inner bracket 603 and the connecting seat 607 are rotatably connected with rubber-coated bearings 608, and the outer surface of the rubber-coated bearing 608 is tightly fitted with the outer surface of the gear seat 502.

[0060] The printing vertical plate assembly 9 includes a vertical plate 901, a guide shaft 902, a roller 903 and a nut 904. There are two vertical plates 901. The two vertical plates 901 are symmetrically fixedly connected to the right side of the top of the connecting plate on the bottom plate assembly 1. The guide shaft 902 is rotatably connected to one side between the two vertical plates 901. The roller 903 is rotatably connected to the other side between the two vertical plates 901. The roller 903 is arranged parallel to the guide shaft 902. The nut 904 is embedded in the bottom middle of the side of one of the vertical plates 901.

[0061] The adjustment knob assembly 10 includes a square support 1001, a trapezoidal screw rod 1002 and a knob 1003. The square support 1001 is fixedly connected to the right side of the top of the base plate of the base plate assembly 1. The trapezoidal screw rod 1002 is rotatably connected to the inside of the square support 1001. The knob 1003 is fixedly connected to one end of the trapezoidal screw rod 1002, and the knob 1003 is located on the outside of the square support 1001. The other end of the trapezoidal screw rod 1002 passes through the nut 904 and extends to the inner side of the vertical plate 901, and the outer surface of the trapezoidal screw rod 1002 is threadedly connected to the nut 904.

[0062] By adjusting the setting of the knob assembly 10, the operator turns the knob 1003 to rotate the trapezoidal screw 1002. The trapezoidal screw 1002 cooperates with the nut 904 to push or stretch the vertical plate 901, and then the position of the roller 903 and the guide shaft 902 can be adjusted to facilitate the transportation of the product.

[0063] When in use, the adjusting cylinder 602 can pull the base 601 and adjust the position of the base 601, so that the rubber-coated bearing 608 can better fit the screen roller 501, ensuring the stability of the operation of the screen roller 501. The operation of the servo motor 403 can rotate the transmission shaft 404, so that the first gear 405 rotates, and the first gear 405 drives the second gear 407 to rotate. The second gear 407 can drive the third gear 503 to rotate in a circle, thereby rotating the screen roller 501. The movement is smooth and reliable. The product passes through the bottom of the screen roller 501 through the connecting rod 3, and then enters the next station through the guidance of the roller 903 and the guide shaft 902. The ink is poured into the ink fountain 807, and the ink enters the interior of the screen roller 501 from the ink tube 806. The screen roller 501 rotates, and the scraper strip 805 on the scraper blade 803 fits with the inner wall of the screen roller 501. The product can complete the screen printing action directly on the rotating screen roller 501, with high printing efficiency and improved screen printing quality.

[0064] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0065] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rotary screen printing machine, comprising a base plate assembly (1), a screen drive assembly (4), a screen roller assembly (5), a sliding assembly (6), a scraper assembly (7), an ink knife assembly (8) and a printing plate assembly (9), characterized in that: The screen drive assembly (4) is slidably connected to the right side of the top of the base plate assembly (1), the sliding assembly (6) is slidably connected to the middle of the top of the base plate assembly (1), the screen roller assembly (5) is rotatably connected between the sliding assembly (6) and the screen drive assembly (4), the number of the scraper assemblies (7) is two, the two scraper assemblies (7) are symmetrically fixedly connected to the front and rear sides of the middle of the top of the base plate assembly (1), the ink hanging knife assembly (8) is fixedly connected between the two scraper assemblies (7), the printing vertical plate assembly (9) is fixedly connected to the right side of the top of the base plate assembly (1), and the printing vertical plate assembly (9) is located in the middle of the screen drive assembly (4); The screen roller assembly (5) comprises a screen roller (501), a gear seat (502), and a third gear (503); the number of the gear seats (502) is two, the two gear seats (502) are symmetrically fixedly connected to the two ends of the screen roller (501), and the third gear (503) is fixedly sleeved on the outer surface of the gear seat (502); The ink knife assembly (8) comprises a fixed seat (801), a scraper rod (802), a scraper blade (803), a pressure plate (804), a scraper strip (805), an ink supply tube (806) and an ink supply fountain (807); the fixed seat (801) is fixedly connected to the scraper assembly (7); the scraper rod (802) is fixedly plugged into the interior of the fixed seat (801), and the scraper rod (802) is located inside the screen roller (501); the scraper blade (803) is fixedly connected to the middle part of the outer surface of the scraper rod (802); the pressure plate (80 4) is fixedly connected to the bottom of the scraper blade (803), the scraper strip (805) is fixedly connected to the blade edge of the scraper blade (803), the side of the scraper strip (805) contacts the inner wall of the screen roller (501), the ink adding tube (806) is fixedly inserted at the top of the fixed seat (801), one end of the ink adding tube (806) extends inside the screen roller (501), and one end of the ink adding tube (806) is located at the top of the scraper blade (803), and the ink adding fountain (807) is fixedly connected to the other end of the ink adding tube (806); The screen driving assembly (4) comprises a support plate (401), a transmission frame (402), a servo motor (403), a transmission shaft (404), a first gear (405), a pneumatic clutch (406), a second gear (407) and a pulley (408); the support plate (401) is slidably connected to the top of the bottom plate assembly (1); there are two transmission frames (402), and the two transmission frames (402) are symmetrically fixedly connected to both sides of the support plate (401); the servo motor (403) is fixedly connected to one side of one of the transmission frames (402); the transmission shaft (404) is fixedly connected to the output end of the servo motor (403); one end of the transmission shaft (404) passes through and extends to the outside of the other transmission frame (402); The pneumatic clutch (406) is fixedly connected to one end of the transmission shaft (404); the number of the first gears (405) is two, and the two first gears (405) are symmetrically fixedly sleeved on both sides of the outer surface of the transmission shaft (404); the first gears (405) are located inside the transmission stand (402); the second gear (407) is rotatably connected to one side of the inner wall of the transmission stand (402); the teeth of the second gear (407) are respectively meshed with the teeth of the first gear (405) and the third gear (503); the pulley (408) is rotatably connected to the other side of the inner wall of the transmission stand (402); the pulley (408) and the second gear (407) are arranged opposite to each other, and the disc on the pulley (408) is tightly fitted with the outer surface of the gear seat (502); The sliding assembly (6) comprises a base (601), an adjusting cylinder (602), an inner bracket (603), an outer bracket (604), a push-pull cylinder (605), a pull rod (606), a connecting seat (607) and a guide shaft (609); the base (601) is slidably connected to the middle of the top of the base plate assembly (1); there are two adjusting cylinders (602); the bottoms of the two adjusting cylinders (602) are respectively fixedly connected to the front and rear sides of the middle of the top of the base plate assembly (1); the output end of the adjusting cylinder (602) is fixedly connected to the side of the base (601); the inner bracket (603) is fixedly connected to one side of the top of the base (601); the outer bracket (604) is fixedly connected to the outer side of the base (601); ) is fixedly connected to the other side of the top of the base (601), the push-pull cylinder (605) is fixedly connected to the outer side of the inner bracket (603), the pull rod (606) is fixedly connected to the output end of the push-pull cylinder (605), the connecting seat (607) is fixedly sleeved on the outer surface of the pull rod (606), the guide shaft (609) is fixedly connected between the inner bracket (603) and the outer bracket (604), and the connecting seat (607) is slidably sleeved on the outer surface of the guide shaft (609), the upper and lower ends of one side of the inner bracket (603) and the connecting seat (607) are rotatably connected with a rubber-coated bearing (608), and the outer surface of the rubber-coated bearing (608) is tightly fitted with the outer surface of the gear seat (502).

2. A rotary screen printing machine according to claim 1, characterized in that: The printing vertical plate assembly (9) comprises a vertical plate (901), a guide shaft (902), a roller (903) and a nut (904). The number of the vertical plates (901) is two, and the two vertical plates (901) are symmetrically fixedly connected to the right side of the top of the connecting plate on the bottom plate assembly (1). The guide shaft (902) is rotatably connected to one side between the two vertical plates (901), and the roller (903) is rotatably connected to the other side between the two vertical plates (901), and the roller (903) is arranged in parallel with the guide shaft (902). The nut (904) is embedded in the bottom of the middle part of the side of one of the vertical plates (901).

3. A rotary screen printing machine according to claim 1, characterized in that: The invention also comprises an adjusting knob assembly (10), wherein the adjusting knob assembly (10) comprises a square support (1001), a trapezoidal screw rod (1002) and a knob (1003), wherein the square support (1001) is fixedly connected to the right side of the top of the base plate of the base plate assembly (1), the trapezoidal screw rod (1002) is rotatably connected to the inside of the square support (1001), the knob (1003) is fixedly connected to one end of the trapezoidal screw rod (1002), and the knob (1003) is located on the outside of the square support (1001), the other end of the trapezoidal screw rod (1002) passes through the nut (904) and extends to the inside of the vertical plate (901), and the outer surface of the trapezoidal screw rod (1002) is threadedly connected to the nut (904).

4. A rotary screen printing machine according to claim 1, characterized in that: The front and rear ends of the top left side of the bottom plate assembly (1) are fixedly connected to fixed seat assemblies (2), and a connecting rod (3) is rotatably connected between the two fixed seat assemblies (2).

5. A rotary screen printing machine according to claim 1, characterized in that: The middle part of the top of the base plate assembly (1) is rotatably connected to a guide wheel assembly (12), the top of the guide wheel assembly (12) is rotatably connected to the bottom of the screen roller (501), and the right side of the top of the base plate assembly (1) is fixedly connected to a control panel (11), and the control panel (11) is electrically connected to the screen drive assembly (4) and the sliding assembly (6), respectively.

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