CN219929065U - Feeding device and screen printer using same - Google Patents
Feeding device and screen printer using same Download PDFInfo
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- CN219929065U CN219929065U CN202321080153.2U CN202321080153U CN219929065U CN 219929065 U CN219929065 U CN 219929065U CN 202321080153 U CN202321080153 U CN 202321080153U CN 219929065 U CN219929065 U CN 219929065U
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- 238000007639 printing Methods 0.000 claims abstract description 75
- 230000000903 blocking effect Effects 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims description 17
- 238000001514 detection method Methods 0.000 claims description 16
- 230000001360 synchronised effect Effects 0.000 claims description 13
- 239000000758 substrate Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 125000004122 cyclic group Chemical group 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 description 10
- 238000007650 screen-printing Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012840 feeding operation Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a feeding device and a screen printer using the same, wherein the feeding device comprises a feeding part and a positioning part which are arranged according to the conveying direction of printing stock, the feeding part comprises a feeding table and a feeding component which separates the printing stock on the feeding table and conveys the printing stock forwards, the feeding table is a vertical feeding platform of the printing stock, one side of the feeding table, facing the positioning part, is provided with a paper blocking piece, and the printing stock is arranged on the feeding table in a vertical state; the feeding assembly comprises a feeding suction head and a feeding conveying assembly for driving the position of the feeding suction head to rotate and moving the printing stock. The feeding device has the advantages of large storage capacity of a feeding table, capability of realizing cyclic feeding, no-stop feeding and good conveying effect, and can realize accurate positioning of printing stock by being matched with CCD image positioning; the screen printer has the advantages of high feeding automation degree, accurate positioning, good printing effect and high printing speed.
Description
Technical Field
The utility model relates to the technical field of screen printing, in particular to a feeding device matched with an image sensor and a printer using the feeding device.
Background
In the field of screen printing, printing stock is generally placed on a conveying component in a manner of stacking up and down, the printing stock is separated into single sheets under the action of a separating component, positioned by a gauge component and conveyed to a printing platform, and then is fed by an ink feeding component.
However, as a special type of product, for example, a handbag, the handbag is printed with a single sheet of paper and then folded and bonded, and the bonded handbag has a special state of thick side and thin side and uneven thickness. And then the printing stock with uneven thickness is placed on a feeding table of a conveying part of the screen printer, firstly, the number of stacks on the conveying part cannot be increased (because the stacks are extremely easy to incline), and secondly, errors caused by folding are accumulated in screen printing, so that overprinting errors of screen printing products positioned by adopting the traditional gauge parts are large and cannot meet the precision requirement.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art, and provides a feeding device and a screen printer using the same, wherein the feeding device solves the defects that printing stock is uneven in thickness and is difficult to feed in a large amount in the prior art, and adopts the following technical scheme: the utility model provides a feedway, includes pay-off part and the location part that sets up according to stock conveying direction, pay-off part includes the material loading platform, still includes the material feeding subassembly that separates the stock on the material loading platform and carry forward, its characterized in that: the feeding platform is a vertical feeding platform for printing stock, one side of the feeding platform facing the positioning part is provided with a paper blocking piece, and the printing stock is arranged on the feeding platform in a vertical state; the feeding assembly comprises a feeding suction head and a feeding conveying assembly for driving the position of the feeding suction head to rotate and moving the printing stock. The printing stock with uneven thickness is vertically arranged on the feeding table, is sucked by the feeding suction head and is moved and rotated to be in a horizontal state, so that the subsequent positioning operation is facilitated.
The structure of the feeding and conveying assembly is as follows: the feeding conveying assembly comprises a feeding driving part, the feeding driving part comprises a synchronous motor and a feeding connecting piece driven by the synchronous motor, and the feeding suction head is connected with the feeding connecting piece. The feeding connecting piece can be a feeding synchronous belt or a synchronous chain and the like.
In order to realize the movement and rotation of the feeding system, the feeding conveying assembly further comprises a feeding control part, wherein the feeding control part comprises a feeding control wheel and a control connecting piece for connecting the feeding suction head with the feeding control wheel in a matching way.
In the feeding device, the feeding control wheel is a rail swinging wheel in consideration of simplification of the structure, and the feeding suction head is rotatably connected with the rail swinging wheel. The feeding and conveying assembly further comprises a track plate, and the feeding control wheel is a slot cam arranged on the track plate; the feeding control rotating component comprises a feeding bearing which is embedded in the groove cam and can rotate relatively, the feeding bearing is fixedly connected with a feeding connecting shaft, and the feeding connecting shaft is connected with a feeding suction nozzle.
In order to meet the requirement of feeding suction nozzle height after rotation and also can play a role in adjusting before starting up, the feeding suction nozzle comprises a suction nozzle height adjusting cylinder which is connected with a feeding conveying assembly.
The image positioning part in the feeding device comprises a detection part and a positioning adjustment part, wherein the detection part is a CCD detection head which is connected to a positioning support piece and can be adjusted in position; the positioning adjusting component comprises a friction block or a positioning suction nozzle and also comprises a positioning driving component for driving the friction block or the suction nozzle. The positioning driving component comprises a positioning lifting component and a positioning moving component for driving the friction block or the positioning suction nozzle to move in the X direction and the Y direction.
The feeding platform in the feeding device is an upright feeding platform which forms an included angle of 5-15 degrees with the horizontal direction, and the printed matter is inclined towards the paper blocking part direction after being stacked, so that the printed matter is upright and stable and cannot be overturned, and the feeding suction head is more stable to take materials.
In the feeding device, in order to control the slightly inclined printing stock to stably stand and continuously feed, the feeding platform comprises a feeding conveyer belt and also comprises a paper blocking piece positioned at the front side of the feeding conveyer belt, wherein the paper blocking piece comprises a paper blocking piece which is connected to a paper blocking rod and has an adjustable position; simultaneously the material loading platform still includes material loading detection switch, and material loading detection switch is connected with material loading transport motor electricity. The feeding detection switch can be a photoelectric switch, when the photoelectric switch is not blocked by a printing object, the photoelectric switch is connected with the control circuit, the feeding conveyor belt rotates, the photoelectric switch is blocked again after the printing object placed on the feeding conveyor belt is conveyed in place, and one-time feeding is completed.
The utility model also discloses a screen printer, which comprises the feeding device, a printing part and a discharging part, wherein the printing part and the discharging part are arranged according to the conveying direction of a printing stock and are positioned in front of the feeding device, and the screen printer is characterized in that: the screen printer further comprises a conveying part, the conveying part comprises a circulating conveying belt provided with air holes, the circulating conveying belt is supported by a conveying belt wheel and an air suction platform, and a feeding station, a positioning station, a printing station and a discharging station are correspondingly arranged on the circulating conveying belt.
The utility model has the beneficial effects that: the utility model provides a feeding device suitable for printing stock with uneven thickness, which enables the printing stock to stand on a feeding table and then to be conveyed to a circulating conveyor belt after being fed in a rotating way, thereby solving the problems of limited number of stacked printing stock and easy dumping in the prior art; the feeding device has the advantages of large storage capacity of the feeding table, capability of reducing the feeding times, capability of realizing cyclic feeding, no-stop feeding and good conveying effect, and can realize accurate positioning of printing stock by being matched with CCD image positioning; the screen printer has the advantages of high feeding automation degree, accurate positioning, good printing effect and high printing speed.
Drawings
Fig. 1 is a schematic perspective view of the present utility model, fig. 2 is a schematic perspective view of another direction of the present utility model, fig. 3 is a front view of the present utility model, fig. 4 is a rear view of fig. 3, fig. 5 is a schematic view of a feeding suction head in a material taking position, fig. 6 is a schematic view of the feeding suction head in a material discharging position, fig. 7 is a schematic perspective view of a positioning portion, and fig. 8 is a front view of the positioning portion; fig. 9 is a schematic perspective view of the part of fig. 8 with parts removed.
Wherein 1 is a feeding part, 11 is a feeding table, 111 is a feeding conveyor belt, 112 is a paper blocking piece, 1121 is a paper blocking cross beam, 1122 is a paper blocking rod, 1123 is a paper blocking piece, 1124 is a paper blocking connecting piece; 12 is a feeding unit, 121 is a feeding suction head, 1211 is a suction nozzle height adjustment cylinder, 1212 is a suction nozzle position adjustment plate, 1213 is a suction nozzle transverse rail, 1214 is a suction nozzle longitudinal rail, 1215 is a feeding suction nozzle, 122 is a feeding transfer unit, 1221 is a track plate, 1222 is a synchronous motor, 1223 is a feeding synchronous belt, 1224 is a synchronous pulley, 1225 is a connection plate, 1226 is a slot cam, 1227 is a cam connection plate, 1228 is a feeding connection shaft, 1229 is a feeding bearing, 1230 is a moving plate;
2 is an image positioning section, 21 is a detecting member, 211 is a CCD detecting head, 212 is a detecting head position adjusting member; 22 is a positioning adjusting part, 221 is a positioning suction nozzle, 222 is a positioning driving part, 2221 is a Y-direction moving motor, 2222 is an X-direction moving motor I,2223 is an X-direction moving motor II,2224 is an X-direction moving guide rail, 2225 is a Y-direction moving guide rail, 2226 is a Z-direction moving cylinder, and 2227 is a positioning connecting plate;
23 is a positioning support;
3 is a printing part, 31 is a doctor blade, and 32 is an ink homogenizing blade;
4 is a discharging part;
5 is a conveying part, 51 is a circulating conveying belt, 52 is an air hole, and 53 is a conveying belt wheel;
6 is a substrate.
Detailed Description
The following describes specific embodiments of the present utility model with reference to the drawings.
The utility model discloses a feeding device, which comprises a feeding part 1 and a positioning part 2, wherein the feeding part 1 is arranged according to the conveying direction of a printing object 6, and the feeding part 1 separates the printing object 6 placed on a feeding table 11 and forwards conveys the printing object 6 to the image positioning part 2 for positioning.
The feed section 1 comprises a loading table 11 and a feed assembly 12 for separating and transporting the printing material on the loading table 11. Wherein the loading platform 11 is an upright loading platform, and the upright loading platform refers to that the printing objects 6 are arranged on the loading platform 11 in an upright state and allow an included angle between the printing objects 6 and the horizontal direction to be 5-15 degrees. The feeding stage which is slightly inclined to the image positioning portion 2 and blocked by the paper stopper 112 is thus more advantageous for the feeding operation. The feeding table 11 in this embodiment includes a feeding conveyer belt 111, and two ends of the feeding conveyer belt 111 are connected to feeding conveyer belt pulleys. The paper baffle 112 is arranged on one side of the feeding table 11 facing the printing part, the paper baffle 112 is positioned on the front side of the feeding conveyor belt, the paper baffle 112 comprises a paper baffle beam 1121 and a paper baffle rod 1122, the paper baffle beam 1121 and the paper baffle rod 1122 are connected together by a paper baffle connector 1124, and the paper connector 1124 can be used for printing objects with different sizes along the movement of the paper baffle beam 1121. A plurality of paper blocking sheets 1123 are arranged on the paper blocking rod 1122, and the specific positions of the paper blocking sheets 1123 on the paper blocking rod 1122 are adjustable. In this way, a slightly forward leaning, stacked substrate will be blocked by the paper stop sheet 1123 to make the substrate more stable upright.
The feeding table 11 is further provided with a feeding detection switch (not shown in the drawing), and the feeding detection switch is electrically connected with a feeding conveying motor. The feeding detection switch can be a photoelectric switch, when the photoelectric switch is not blocked by a printing material (one-time feeding is used up), the photoelectric switch is connected with a control circuit, the feeding conveying belt 111 rotates, the photoelectric switch is blocked again after the printing material placed at the rear end of the feeding conveying belt is conveyed in place, and one-time feeding is completed.
The feeding assembly 12 comprises a feeding suction head 121, a feeding conveying assembly 122 for driving the feeding suction head 121 to rotate and move, and a feeding control part. The feed conveyor assembly 122 includes a feed drive assembly and a track plate 1221, the feed drive assembly including a synchronous motor 1222 and a feed timing belt 1223 driven by the synchronous motor 1222, the feed shoe 121 being connected to the feed timing belt 1223 via a connecting plate 1225. The feed control means comprises a feed control wheel and further comprises a control connection for mating connection of the feed suction head 121 to the feed control wheel.
The feeding control wheel in this embodiment is a grooved cam 1226, and the feeding suction head 121 is rotatably connected to the grooved cam 1226, and the grooved cam 1226 is formed on the track plate 1221. The feed control assembly further includes a relatively rotatable feed bearing 1229 embedded in the slot cam 1226, the feed bearing 1229 being coupled to a movable plate 1230, the movable plate 1230 being fixedly coupled to a feed coupling shaft 1228 via a cam coupling 1227, the feed coupling shaft 1228 being coupled to the feed suction nozzle 1215. Thus, when the synchronous motor 1222 rotates, the feeding suction head 121 moves back and forth between the feeding position and the discharging position under the action of the feeding control part in the process of driving the feeding synchronous belt 1223 to move, and the feeding suction nozzle 1215 sucks air and stops sucking air to complete feeding and discharging in separating the printing stock (see fig. 5 and 6).
The feeding suction head 121 in this embodiment includes a nozzle position adjustment plate 1212, the nozzle position adjustment plate 1212 is connected to a nozzle height adjustment cylinder 1211, and the nozzle height adjustment cylinder 1211 is connected to the feeding conveyor assembly 122. As can be seen in fig. 5 and 6, as the feeding nozzle 1215 drives the printing stock 6 to move toward the position of the placement position, the piston rod of the nozzle height adjustment cylinder 1211 extends to accommodate the requirement of height adjustment of the printing stock 6.
The positioning portion 2 includes a detecting member 21 and a positioning adjusting member 22. The detecting part 21 is a CCD detecting head 211 which is connected to the positioning support 23 and has adjustable positions, and the CCD detecting heads 211 are generally arranged in a bilateral symmetry manner.
The positioning adjusting part 22 in this embodiment adopts a structure of positioning nozzles 221, and a plurality of positioning nozzles are connected to form a positioning nozzle head via a cross bar and a vertical bar. The positioning suction nozzle head is connected with the positioning driving component and is driven by the positioning driving component to complete the movement in three directions, namely, the X direction (front and back direction), the Y direction and the Z direction. The positioning driving component comprises a positioning lifting component, the positioning lifting component comprises a Z-direction moving cylinder 2226, and a piston rod of the Z-direction moving cylinder 2226 is connected with the positioning suction nozzle head. The positioning driving component further comprises a positioning moving component for driving the positioning suction nozzle to move in the X direction and the Y direction, wherein the positioning moving component comprises two X-direction moving motors (namely an X-direction moving motor I2222 and an X-direction moving motor II 2223), and corresponding X-direction moving guide rails 2224 and Y-direction moving guide rails 2225, and the X-direction moving guide rails 2224 and the Y-direction moving guide rails 2225 are of the same up-down double-layer structure. The positioning moving assembly is connected to a positioning connecting plate 2227, and the positioning connecting plate 2227 is also connected to a Z-direction moving cylinder 2226. The object 6 reaches the image positioning portion, an image (generally, a positioning mark) on the object 6 is photographed by the CCD detection head 211, and the deviation is calculated; then stopping air suction at a positioning station on the circulating conveyor belt, and enabling the positioning suction nozzle head to descend to contact the printing stock 6 and drive the printing stock to realize X, Y movement so as to finish image positioning operation of the printing stock; after the positioning nozzle head moves the printing stock, the CCD detection head 211 shoots again to confirm whether the position is accurate, if the position is right, the air suction at the positioning station is started, the printing stock is adsorbed and fixed, and if the position is not right, the above actions are repeated to move again and position the printing stock. After the positioning is finished, the circulating conveyor belt runs the printing stock to a printing station, the printing head starts to print, the next printing stock is positioned by the positioning station at the same time of printing, and a new printing stock is placed at a feeding station; and (3) after printing, the circulating conveyer belt runs, and printing materials are sent out through the discharging station. The three stations of feeding, positioning and printing work simultaneously, and the exchange of printing objects (such as handbag) is also simultaneous, namely, the printing objects of the feeding station are sent to the positioning station, the printing objects of the positioning station are sent to the printing station, and the printing station printing objects are sent out of the printer.
The utility model also discloses a screen printer which comprises a feeding part 1, a positioning part 2, a printing part 3 and a discharging part 4 which are arranged according to the conveying direction of a printing stock, and also comprises a conveying part 5, wherein the conveying part 5 comprises a circulating conveyer belt 51 with air holes 52, the circulating conveyer belt 51 is supported by a conveyer belt wheel 53, and a feeding station, a positioning station, a printing station and a discharging station are correspondingly arranged on the circulating conveyer belt 51.
Of course, the above description is not intended to limit the utility model, but rather the utility model is not limited to the above examples, and variations, modifications, additions or substitutions within the spirit and scope of the utility model will be within the scope of the utility model.
Claims (10)
1. The utility model provides a feedway, includes pay-off part and the location part that sets up according to stock conveying direction, pay-off part includes the material loading platform, still includes the material feeding subassembly that separates the stock on the material loading platform and carry forward, its characterized in that: the feeding platform is a vertical feeding platform for printing stock, one side of the feeding platform facing the positioning part is provided with a paper blocking piece, and the printing stock is arranged on the feeding platform in a vertical state; the feeding assembly comprises a feeding suction head and a feeding conveying assembly for driving the position of the feeding suction head to rotate and moving the printing stock.
2. The feeding device of claim 1, wherein: the feeding conveying assembly comprises a feeding driving part, the feeding driving part comprises a synchronous motor and a feeding connecting piece driven by the synchronous motor, and the feeding suction head is connected with the feeding connecting piece.
3. A feeding device according to claim 1 or 2, characterized in that: the feeding conveying assembly further comprises a feeding control rotating part, wherein the feeding control part comprises a feeding control wheel, and a control connecting piece for connecting the feeding suction head with the feeding control wheel in a matched manner.
4. A feeding device according to claim 3, wherein: the feeding and conveying assembly further comprises a track plate, and the feeding control wheel is a slot cam arranged on the track plate; the feeding control rotating component comprises a feeding bearing which is embedded in the groove cam and can rotate relatively, the feeding bearing is fixedly connected with a feeding connecting shaft, and the feeding connecting shaft is connected with a feeding suction nozzle.
5. The feeding device of claim 1, wherein: the feeding suction head is connected with a suction nozzle height adjusting cylinder, and the suction nozzle height adjusting cylinder is connected with the feeding conveying assembly.
6. The feeding device of claim 1, wherein: the positioning part is in an image positioning mode and comprises a detection part and a positioning adjustment part, wherein the detection part is a CCD detection head which is connected to the positioning support piece and can be adjusted in position; the positioning adjusting component comprises a friction block or a positioning suction nozzle and also comprises a positioning driving component for driving the friction block or the suction nozzle.
7. The feeder device of claim 6, wherein: the positioning driving component comprises a positioning lifting component and a positioning moving component for driving the friction block or the positioning suction nozzle to move in the X direction and the Y direction.
8. The feeding device of claim 1, wherein: the feeding platform is a feeding platform with a certain included angle with the horizontal direction, and the included angle is 5-15 degrees.
9. The feeding device of claim 1, wherein: the feeding table comprises a feeding conveyer belt and also comprises a paper blocking piece positioned at the front side of the feeding conveyer belt, wherein the paper blocking piece comprises a paper blocking piece which is connected to a paper blocking rod and is adjustable in position; the feeding table further comprises a feeding detection switch, and the feeding detection switch is electrically connected with the feeding conveying motor.
10. Screen printer comprising a feeder according to any one of claims 1-9, further comprising a printing section and a discharge section arranged in front of the feeder according to the transport direction of the substrate, characterized in that: the screen printer still includes the conveying part, and the conveying part is including opening the endless conveyor belt that has the gas pocket, and the endless conveyor belt is supported by the conveyer belt pulley, and the endless conveyor belt corresponds and is provided with pay-off station, location station, printing station and ejection of compact station, pay-off station, location station, printing station and ejection of compact station all set up on the endless conveyor belt.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321020011 | 2023-04-28 | ||
| CN2023210200117 | 2023-04-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219929065U true CN219929065U (en) | 2023-10-31 |
Family
ID=88492193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321080153.2U Active CN219929065U (en) | 2023-04-28 | 2023-05-08 | Feeding device and screen printer using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219929065U (en) |
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2023
- 2023-05-08 CN CN202321080153.2U patent/CN219929065U/en active Active
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