Feeding device of screen printing machine

Abstract

The utility model discloses a feeding device of a screen printing machine. Comprising a right box body, a left box body, a first lower rotating shaft, a second upper rotating shaft, a first chain wheel, a first chain, a second driving motor, a longitudinal sliding rail sliding block assembly, a supporting frame, a mounting plate, an air pipe, a hose connector, a sliding groove, a first crank arm, a second crank arm, an air nozzle connecting cross beam, an air nozzle, a third motor, a third rotating shaft, a driving advancing shaft, a fourth motor, a fifth motor and a third crank arm. And an extrusion wheel. The air tap adsorbs paper to be fed and pushes forwards in the direction of the sliding groove, the third rotating shaft is used for driving the extrusion wheel to rotate, the extrusion wheel and the driving advancing shaft are used for extruding the paper to be subjected to silk-screen printing, and the driving advancing shaft is used for driving the paper to advance one by one. By means of the scheme, the feeding device has the advantages of being simple in structure, efficient and reliable in feeding and the like, and has high practical value and popularization value in the technical field of printing.

Description

Technical Field

[0001] The utility model relates to the technical field of printing, in particular to a feeding device for a screen printing machine. Background Art

[0002] Silk screen printing refers to the use of silk screen as the base and the use of photosensitive plate making method to make a silk screen printing plate with images and texts. At present, the screen printing machine in the prior art is such as the Chinese invention patent of "Patent Publication No.: CN118061659A, Name: An Automatic Screen Printing Machine", which includes a frame, a placement plate for placing printed parts is arranged on the frame, a plurality of positioning columns are fixed on the top surface of the frame, the plurality of positioning columns are surrounded by a square frame, the placement plate is located in the plurality of positioning columns, a driving member for driving the placement plate to move vertically is arranged on the frame, a side plate is fixed on one side of the top surface of the frame, a guide rail is fixed on the top surface of the side plate, a moving frame is slidably arranged on the guide rail, suction cups are arranged at both ends of the two side surfaces of the moving frame, an air supply pipe is fixed on the top surface of the suction cup, an air pump is arranged on the moving frame, an end of the air supply pipe away from the suction cup is connected to the air pump, a driving mechanism for driving the moving frame to move along the length direction of the guide rail is arranged on the guide, a printing table is arranged on the frame, the printing table is located on one side of the placement plate, and a printing device is arranged above the printing table. The loading, screen printing and unloading of this technology only rely on conveyors to transport them one by one, and its loading efficiency is low.

[0003] In addition, the printing paper in the early stage of silk screen printing has undergone a hot stamping process or is a blank paper, and there is more or less dust or impurities on the surface of the paper. In the prior art, there is no dust removal process before silk screen printing.

[0004] Therefore, it is urgent to propose a screen printing machine feeding device with simple structure, efficient and reliable feeding. Utility Model Content

[0005] In view of the above problems, the purpose of the present invention is to provide a feeding device for a screen printing machine. The technical solution adopted by the present invention is as follows:

[0006] A feeding device for a screen printing machine, comprising a right box body and a left box body arranged opposite to each other, a first lower rotating shaft and a second upper rotating shaft arranged at the rear ends of the right box body and the left box body, first sprocket wheels respectively arranged at the ends of the first lower rotating shaft and the second upper rotating shaft, a first chain meshing with the first sprocket wheels on the same side of the first lower rotating shaft and the second upper rotating shaft, a second driving motor arranged in the right box body or the left box body and connected to the first lower rotating shaft or the second upper rotating shaft, a longitudinal slide rail slider assembly respectively arranged on the inner sides of the right box body and the left box body in the longitudinal direction, a support frame fixed to the longitudinal slide rail slider assembly and connected to the first chain, a mounting plate arranged on the support frame and supporting paper to be screen-printed, an air pipe arranged between the right box body and the left box body, and a plurality of hose connectors arranged on the air pipe , slide grooves are respectively opened on the inner sides of the right box body and the left box body, one end of the first crank arm is respectively arranged on the right box body and the left box body, a second crank arm one end is axially connected to the other end of the first crank arm, an end portion slides along the slide groove and is sleeved on the other end of the second crank arm. An air nozzle connecting beam, which is arranged on the air nozzle connecting beam and is connected to the hose connector one by one, a third motor connected to the first crank arm, rotates the third rotating shaft and the driving travel shaft arranged between the right box body and the left box body, a fourth motor connected to the third rotating shaft, a fifth motor connected to the driving travel shaft, a third crank arm with one end fixed on the third rotating shaft, and an extrusion wheel arranged at the other end of the third crank arm; the third rotating shaft drives the extrusion wheel to rotate, and uses the extrusion wheel and the driving travel shaft to squeeze the paper to be screen-printed.

[0007] Furthermore, a first crossbeam is arranged between the right box body and the left box body, and two horizontal sliders are slidably arranged on the first crossbeam. A longitudinal slide bar is slidably sleeved on the horizontal slide bar along the longitudinal direction, and the bottom of the longitudinal slide bar is fixedly connected to the mounting plate.

[0008] Furthermore, a shock-absorbing pad is arranged on the mounting plate.

[0009] Furthermore, an extrusion assembly is fixed at the center of the first crossbeam; the extrusion assembly includes a cylinder mounting seat fixed on the first crossbeam, a cylinder arranged on the cylinder mounting seat along the longitudinal direction, and an extrusion block arranged at the bottom of the cylinder; the extrusion block is extruded on the paper to be screen-printed.

[0010] Furthermore, a strip hole is provided on the cylinder mounting seat.

[0011] Furthermore, it also includes: a second workbench connected to the driving travel shaft, a dust removal mechanism arranged on the second workbench, and a first driving motor arranged in the second workbench and connected to the dust removal mechanism.

[0012] Furthermore, the dust removal mechanism includes a right mounting seat and a left mounting seat fixed on the second workbench, two horizontal plates connected between the right mounting seat and the left mounting seat, a roller seat arranged between the ends of the horizontal plates, a first roller shaft and a second roller shaft rotatably arranged on the roller seat, a third sprocket arranged at the ends of the first roller shaft and the second roller shaft, an upper roller connecting seat inserted into the roller seat, a disassembly and assembly outer frame arranged at the top of the upper roller connecting seat, and a third roller shaft arranged at the lower part of the upper roller connecting seat and at least one; a second sprocket is arranged on the first driving motor, and a second chain is arranged between the third sprocket and the second sprocket; a paper feeding and discharging slot is arranged at the lower part of the horizontal plate; the first roller shaft and the second roller shaft are squeezed on the paper to be silk-screened; the third roller shaft is squeezed and fitted on the first roller shaft and the second roller shaft.

[0013] Furthermore, an insertion strip is provided on the inner side of the roller seat along the longitudinal direction; the upper roller connecting seat is in an inverted U shape; and the upper roller connecting seat is inserted into the insertion strip.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] (1) The utility model is provided with a first lower rotating shaft, a second upper rotating shaft, a first sprocket, a first chain, a longitudinal slide rail slider assembly, a support frame and a mounting plate, and utilizes the first lower rotating shaft and the second upper rotating shaft to drive the support frame and the mounting plate to move in the longitudinal direction, and push and move several stacked sheets of paper to be screen-printed, and cooperates with a suction nozzle to load the paper one by one.

[0016] (2) The utility model sets a first crank arm, a second crank arm, an air nozzle connecting beam and an air nozzle, pushes the air nozzle connecting beam to move along the direction of the slide groove, and the air nozzle absorbs the papers to be screen-printed one by one and pushes them forward to the driving travel shaft, and then uses the extrusion wheel to extrude and push them, so that the feeding is efficient and reliable.

[0017] (3) The utility model further improves the reliability of paper feeding support to be screen-printed by providing a first crossbeam, a horizontal slide block and a longitudinal slide bar, and providing guide support for the support frame and the mounting plate.

[0018] (4) The utility model is provided with a dust removal mechanism and a first driving motor, and dust on the surface of the paper is adsorbed and carried away. In addition, a removable disassembly frame, an upper roller connecting seat and a third roller are adopted to facilitate the dust intake and cleaning on the third roller.

[0019] In summary, the utility model has the advantages of simple structure, efficient and reliable feeding, etc., and has high practical value and promotion value in the field of printing technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments are briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope of protection. For those skilled in the art, other relevant drawings can be obtained based on these drawings without creative work.

[0021] Figure 1 This is a schematic diagram of the structure of the utility model from a first angle.

[0022] Figure 2 This is a schematic diagram of the structure of the utility model from a second angle.

[0023] Figure 3 This is a schematic diagram of the structure of the dust removal mechanism in the utility model from a first angle.

[0024] Figure 4 This is a second angle structural diagram of the dust removal mechanism in the utility model.

[0025] Figure 5 It is a disassembly schematic diagram of the dust removal mechanism in the utility model.

[0026] Figure 6 It is a structural schematic diagram of the extrusion component in the utility model.

[0027] In the above drawings, the component names corresponding to the reference numerals are as follows:

[0028] 1. Right box; 2. Left box; 3. First lower shaft; 4. Second upper shaft; 5. First sprocket; 6. First chain; 7. Longitudinal slide rail slider assembly; 8. Support frame; 9. Mounting plate; 10. Shock pad; 11. First beam; 12. Horizontal slider; 13. Longitudinal slide bar; 14. Extrusion assembly; 15. Air pipe; 16. Hose connector; 17. Third shaft; 18. First crank arm; 19. Second crank arm; 20. Air nozzle connecting beam; 21. Air nozzle; 22. Slide; 23. Third crank arm; 24. Extrusion wheel; 25. Driving travel shaft; 26, second workbench; 27, dust removal mechanism; 28, first driving motor; 141, cylinder mounting seat; 142, cylinder; 143, extrusion block; 1411, strip hole; 271, right mounting seat; 272, left mounting seat; 273, cross plate; 274, roller seat; 275, first roller shaft; 276, second roller shaft; 277, disassembly and assembly outer frame; 278, upper roller connecting seat; 279, third roller shaft; 2731, paper feeding and discharging slot; 2741, insertion strip; 281, second sprocket; 282, third sprocket. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical scheme and advantages of this application clearer, the utility model is further described below in conjunction with the accompanying drawings and embodiments, and the implementation methods of this utility model include but are not limited to the following embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0030] In this embodiment, the term "and / or" is merely a term used to describe the association relationship of associated objects, indicating that three relationships may exist. For example, A and / or B may represent three situations: A exists alone, A and B exist at the same time, and B exists alone.

[0031] The terms "first" and "second" in the description and claims of this embodiment are used to distinguish different objects rather than to describe a specific order of objects. For example, a first target object and a second target object are used to distinguish different target objects rather than to describe a specific order of target objects.

[0032] In the embodiments of the present application, words such as "exemplary" or "for example" are used to indicate examples, illustrations or descriptions. Any embodiment or design described as "exemplary" or "for example" in the embodiments of the present application should not be interpreted as being more preferred or more advantageous than other embodiments or designs. Specifically, the use of words such as "exemplary" or "for example" is intended to present related concepts in a specific way.

[0033] In the description of the embodiments of the present application, unless otherwise specified, the meaning of "multiple" refers to two or more than two. For example, multiple processing units refer to two or more processing units; multiple systems refer to two or more systems.

[0034] like Figures 1 to 6 As shown, this embodiment provides a feeding device for a screen printing machine, which feeds and removes dust from paper to be screen-printed.

[0035] The feeding device of the screen printing machine includes a right box body 1 and a left box body 2 arranged relatively to each other, a first lower rotating shaft 3 and a second upper rotating shaft 4 arranged at the rear ends of the right box body 1 and the left box body 2, a first sprocket 5 respectively arranged at the ends of the first lower rotating shaft 3 and the second upper rotating shaft 4, a first chain 6 engaged with the first sprocket 5 on the same side of the first lower rotating shaft 3 and the second upper rotating shaft 4, a second driving motor arranged in the right box body 1 or the left box body 2 and connected to the first lower rotating shaft 3 or the second upper rotating shaft 4, a longitudinal slide rail slider assembly 7 respectively arranged on the inner side of the right box body 1 and the left box body 2 in the longitudinal direction, a support frame 8 fixed on the longitudinal slide rail slider assembly 7 and connected to the first chain 6, a mounting plate 9 arranged on the supporting frame 8 and supporting the paper to be screen-printed, a shock-absorbing pad 10 arranged on the mounting plate 9, a first crossbeam 11 arranged between the right box body 1 and the left box body 2, two horizontal sliders 12 slidably arranged on the first crossbeam 11, which are slidably sleeved on the horizontal slider 12 in the longitudinal direction and have their bottoms connected to the mounting plate 9. The longitudinal slide bar 13 fixedly connected to the plate 9, the extrusion assembly 14 fixed to the first crossbeam 11, the air pipe 15 arranged between the right box body 1 and the left box body 2, the plurality of hose connectors 16 arranged on the air pipe 15, the slide grooves 22 respectively opened on the inner sides of the right box body 1 and the left box body 2, the first crank arm 18 respectively arranged on the right box body 1 and the left box body 2 at one end, the second crank arm 19 axially connected to the other end of the first crank arm 18 at one end, the end of which slides along the slide groove 22 and is sleeved with the other end of the second crank arm 19 An air nozzle connecting beam 20, a plurality of air nozzles 21 arranged on the air nozzle connecting beam 20 and connected to the hose connecting head 16 one by one, a third motor connected to the first crank arm 18, a third rotating shaft 17 and a driving travel shaft 25 rotating between the right box body 1 and the left box body 2, a fourth motor connected to the third rotating shaft 17, a fifth motor connected to the driving travel shaft 25, a third crank arm 23 having one end fixed on the third rotating shaft 17, and an extrusion wheel 24 arranged at the other end of the third crank arm 23.

[0036] In this embodiment, the first lower rotating shaft 3 and the second upper rotating shaft 4 drive the mounting plate 9 to move upward slowly, and place the paper to be screen printed on the shock-absorbing pad 10; in this embodiment, the air nozzle 21 is used to absorb the top paper to be screen printed, the air nozzle connecting beam 20 slides along the slide 22, and the extrusion assembly 14 is used to press the rear end of the second paper to be screen printed on the top, so as to realize the paper feeding one by one. After the air nozzle 21 is adsorbed and moved, the front end of the top paper to be screen printed falls on the driving travel shaft 25, the third rotating shaft 17 is used to drive the extrusion wheel 24 to rotate, and the extrusion wheel 24 and the driving travel shaft 25 are used to squeeze the paper to be screen printed, and under the rotation of the driving travel shaft 25, the current paper is pushed into the dust removal mechanism 27.

[0037] In this embodiment, the squeezing assembly 14 includes a cylinder mounting seat 141 fixed on the first crossbeam 11, a cylinder 142 arranged on the cylinder mounting seat 141 along the longitudinal direction, and a squeezing block 143 arranged at the bottom of the cylinder 142. In this embodiment, the squeezing block 143 is used to squeeze the next paper to be loaded. In addition, a strip hole 1411 is provided on the cylinder mounting seat 141 to facilitate the adjustment of the longitudinal position of the cylinder 142 in the early stage of installation.

[0038] In this embodiment, in order to realize dust removal on the surface of the paper to be screen-printed, a second workbench 26 connected to the driving travel shaft 25, a dust removal mechanism 27 arranged on the second workbench 26, and a first driving motor 28 arranged in the second workbench 26 and connected to the dust removal mechanism 27 are provided. The dust removal mechanism 27 includes a right mounting seat 271 and a left mounting seat 272 fixed on the second workbench 26, two transverse plates 273 connected between the right mounting seat 271 and the left mounting seat 272, a roller seat 274 arranged between the ends of the transverse plates 273, a first roller shaft 275 and a second roller shaft 276 rotatably arranged on the roller seat 274, a third sprocket 282 arranged at the ends of the first roller shaft 275 and the second roller shaft 276, an upper roller shaft connecting seat 278 inserted into the roller seat 274, a disassembly frame 277 arranged at the top of the upper roller shaft connecting seat 278, and at least one third roller shaft 279 arranged at the bottom of the upper roller shaft connecting seat 278. A paper feed and discharge slot 2731 is provided at the lower part of the horizontal plate 273. The paper entering from the paper feed and discharge slot 2731 is squeezed by the first roller 275 and the second roller 276, which adsorbs the dust on the surface of the paper onto the first roller 275 and the second roller 276, and then the third roller 279 is attached to the first roller 275 and the second roller 276, and the dust is transferred to the surface of the third roller 279.

[0039] In this embodiment, a second sprocket 281 is disposed on the first driving motor 28 , and a second chain is disposed between the third sprocket 282 and the second sprocket 281 .

[0040] In addition, in order to clean the dust on the surface of the third roller 279, an insertion strip 2741 is provided along the longitudinal direction on the inner side of the roller seat 274, and the upper roller connecting seat 278 is in an inverted U shape. When in use, the upper roller connecting seat 278 is inserted into the insertion strip 2741, and the third roller 279 is pressed and fitted on the first roller 275 and the second roller 276. When cleaning is required, the disassembly frame 277, the upper roller connecting seat 278 and the third roller 279 can be removed.

[0041] The above embodiments are only preferred embodiments of the present utility model and are not intended to limit the protection scope of the present utility model. Any changes that adopt the design principles of the present utility model and are made through non-creative labor on this basis should fall within the protection scope of the present utility model.

Claims

1. A feeding device for a screen printing machine, characterized in that: The invention comprises a right case (1) and a left case (2) arranged opposite to each other, a first lower rotating shaft (3) and a second upper rotating shaft (4) arranged at the rear ends of the right case (1) and the left case (2), a first sprocket (5) arranged at the ends of the first lower rotating shaft (3) and the second upper rotating shaft (4), a first chain (6) meshing with the first sprocket (5) on the same side of the first lower rotating shaft (3) and the second upper rotating shaft (4), and a chain (6) arranged in the right case (1) or the left case (2) and connected to the first lower rotating shaft (3) or the second upper rotating shaft (4). a second driving motor, a longitudinal slide rail slider assembly (7) respectively arranged on the inner side of the right box body (1) and the left box body (2) along the longitudinal direction, a support frame (8) fixed on the longitudinal slide rail slider assembly (7) and connected to the first chain (6), a mounting plate (9) arranged on the support frame (8) and supporting the paper to be screen-printed, an air pipe (15) arranged between the right box body (1) and the left box body (2), a plurality of hose connectors (16) arranged on the air pipe (15), and a plurality of hose connectors (16) respectively opened on the right box body (1) and the left box body (2). A slide groove (22) on the inner side of the box body (2), a first crank arm (18) with one end respectively arranged on the right box body (1) and the left box body (2), a second crank arm (19) with one end axially connected to the other end of the first crank arm (18), an air nozzle connecting cross beam (20) with an end portion sliding along the slide groove (22) and sleeved on the other end of the second crank arm (19), a plurality of air nozzles (21) arranged on the air nozzle connecting cross beam (20) and connected to the hose connector (16) one by one, a third motor connected to the first crank arm (18), and a rotating device A third rotating shaft (17) and a driving travel shaft (25) are arranged between a right box body (1) and a left box body (2), a fourth motor connected to the third rotating shaft (17), a fifth motor connected to the driving travel shaft (25), a third crank arm (23) with one end fixed on the third rotating shaft (17), and a squeezing wheel (24) arranged at the other end of the third crank arm (23); the third rotating shaft (17) drives the squeezing wheel (24) to rotate, and utilizes the squeezing wheel (24) and the driving travel shaft (25) to squeeze the paper to be screen-printed.

2. A screen printing machine feeding device according to claim 1, characterized in that: A first crossbeam (11) is arranged between the right box body (1) and the left box body (2), and the first crossbeam (11) is slidably provided with two horizontal sliding blocks (12), and a longitudinal sliding rod (13) is slidably sleeved on the horizontal sliding blocks (12) along the longitudinal direction, and the bottom of the longitudinal sliding rod (13) is fixedly connected to the mounting plate (9).

3. A screen printing machine feeding device according to claim 1 or 2, characterized in that: A shock-absorbing pad (10) is arranged on the mounting plate (9).

4. A screen printing machine feeding device according to claim 2, characterized in that: An extrusion assembly (14) is fixed at the center of the first crossbeam (11); the extrusion assembly (14) comprises a cylinder mounting seat (141) fixed on the first crossbeam (11), a cylinder (142) arranged on the cylinder mounting seat (141) along the longitudinal direction, and an extrusion block (143) arranged at the bottom of the cylinder (142); the extrusion block (143) is pressed on the paper to be screen-printed.

5. A screen printing machine feeding device according to claim 4, characterized in that: The cylinder mounting seat (141) is provided with a strip-shaped hole (1411).

6. A screen printing machine feeding device according to claim 1, characterized in that: Also includes: A second workbench (26) connected to the driving travel shaft (25), a dust removal mechanism (27) arranged on the second workbench (26), and a first driving motor (28) arranged in the second workbench (26) and connected to the dust removal mechanism (27).

7. A screen printing machine feeding device according to claim 6, characterized in that: The dust removal mechanism (27) comprises a right mounting seat (271) and a left mounting seat (272) fixed on the second workbench (26), two transverse plates (273) connected between the right mounting seat (271) and the left mounting seat (272), a roller seat (274) arranged between the ends of the transverse plates (273), a first roller shaft (275) and a second roller shaft (276) rotatably arranged on the roller seat (274), a third sprocket (282) arranged at the ends of the first roller shaft (275) and the second roller shaft (276), an upper roller connecting seat (278) inserted into the roller seat (274), and a roller connecting seat (282) arranged on the upper roller connecting seat (278). The invention relates to a disassembly and assembly outer frame (277) at the top of the upper roller connecting seat (278), and at least one third roller (279) is arranged at the bottom of the upper roller connecting seat (278); a second sprocket (281) is arranged on the first driving motor (28), and a second chain is arranged between the third sprocket (282) and the second sprocket (281); a paper feeding and discharging slot (2731) is arranged at the bottom of the transverse plate (273); the first roller (275) and the second roller (276) are pressed on the paper to be screen-printed; and the third roller (279) is pressed and fitted on the first roller (275) and the second roller (276).

8. A screen printing machine feeding device according to claim 7, characterized in that: An insertion strip (2741) is arranged on the inner side of the roller seat (274) along the longitudinal direction; the upper roller connecting seat (278) is in an inverted U shape; and the upper roller connecting seat (278) is inserted into the insertion strip (2741).

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