CN221049231U

CN221049231U - Feeding structure and equipment for screen printing

Info

Publication number: CN221049231U
Application number: CN202323237877.6U
Authority: CN
Inventors: 任开文; 付林霄; 陈乾坤; 顾荣兴; 邹扬威
Original assignee: Suzhou Jiuwu Intelligent Technology Co ltd
Current assignee: Suzhou Jiuwu Intelligent Technology Co ltd
Priority date: 2023-11-29
Filing date: 2023-11-29
Publication date: 2024-05-31
Anticipated expiration: 2033-11-29

Abstract

The utility model relates to a feeding structure and equipment for screen printing, comprising: the support assembly, the feeding assembly and the sliding door assembly are arranged on the upper surface of the frame; the feeding assembly is connected to the supporting assembly and comprises a driving mechanism connected with the supporting assembly, a feeding bracket connected with the driving mechanism, a filling pipe arranged on the feeding bracket and a filling head connected to the filling pipe; the driving mechanism is configured to drive the feeding bracket to move in the X direction relative to the supporting component; the sliding door component is erected above one end of the feeding component through the supporting component; the sliding door assembly comprises a horizontal moving module connected with the supporting assembly and a mounting bracket connected with the horizontal moving module, wherein the horizontal moving module is configured to drive the mounting bracket to move along an X direction and a Y direction relative to the supporting assembly, and the X direction and the Y direction are perpendicular. The utility model can realize the opening and closing of the safety door and automatic grouting in the printing process of the printing machine, so as to ensure the filling quality, reduce the equipment cost and improve the production efficiency.

Description

Feeding structure and equipment for screen printing

Technical Field

The utility model relates to the technical field of screen printing equipment, in particular to a feeding structure and equipment for screen printing.

Background

Screen printing is a printing process that is widely used in the manufacturing links of photovoltaic cell modules. The paste was printed on the front and back electric fields of the battery sheet by a screen printer. The paste is filled into a screen printer before printing, and then the battery sheet is printed by the screen printer.

In the prior art, in order to improve the automation level of screen printing, a mode of automatically filling a slurry has been adopted, and by configuring a separate grouting machine and a grouting machine for a screen printer, each workshop is generally configured with a plurality of or more than ten printing lines, and equipment cost is high in the mode. Thus, at present, some enterprises still adopt manual grouting. When the paste is manually filled, a safety door is required to be manually opened, the paste is filled after the printer is suspended, and finally the working state of the printer is restored. The mode of adopting artifical filling not only has the potential safety hazard, can also reduce screen printing's automation level, influences production efficiency.

Disclosure of utility model

In order to solve the technical problems, the utility model provides a feeding structure and equipment for screen printing.

In a first aspect, there is provided a feed structure for screen printing, comprising:

A support assembly;

The feeding assembly is connected to the supporting assembly and comprises a driving mechanism connected with the supporting assembly, a feeding bracket connected with the driving mechanism, a filling pipe arranged on the feeding bracket and a filling head connected to the filling pipe; the driving mechanism is configured to drive the feeding bracket to move in the X direction relative to the supporting component;

The sliding door assembly is erected above one end of the feeding assembly through the supporting assembly; the sliding door assembly comprises a horizontal moving module connected with the supporting assembly, a mounting bracket connected with the horizontal moving module and a vacuum sucker arranged on the mounting bracket and used for adsorbing the safety door; the horizontal movement module is configured to drive the mounting bracket to move in an X direction and a Y direction relative to the support assembly, the X direction and the Y direction being perpendicular.

In one embodiment of the utility model, the horizontal moving module comprises a first linear module connected with the supporting component, a moving platform connected with the first linear module in a sliding way, and a second linear module connected with the moving platform; the first linear module is provided with power to drive the mobile platform to move along the X direction; the second linear module has power to drive the mounting bracket mounted on the second linear module to move in the Y direction.

In one embodiment of the utility model, the horizontal movement module further comprises a first sliding rail arranged on the supporting component and a first sliding block in sliding connection with the first sliding rail; the first sliding rail extends along the X direction; the moving platform is fixedly connected with the first sliding block.

In one embodiment of the utility model, the driving mechanism comprises a power part, a transmission screw connected with the power part, a screw nut in threaded connection with the transmission screw, a second sliding block connected with the screw nut and a second sliding rail in sliding connection with the second sliding block; the transmission screw rod is rotationally connected with the supporting component, the second sliding block is connected with the feeding bracket, and the second sliding rail is connected with the supporting component.

In one embodiment of the utility model, the feeding assembly further comprises a limit position part for triggering the feeding bracket to stop moving, wherein the limit position part comprises a photoelectric detection sheet connected with the second sliding block and a photoelectric detector matched with the photoelectric detection sheet; the photodetector is connected to the end of the support assembly.

In one embodiment of the utility model, the feeding assembly further comprises a limiting part for limiting the movement of the feeding bracket to derail; the limit part comprises an elastic pressing sheet arranged on the second sliding block and a limit switch arranged at the end part of the supporting component, and the limit switch is matched with the elastic pressing sheet.

In one embodiment of the utility model, the limit switch comprises a movable contact piece and a static contact piece which are connected with the supporting component, wherein a roller is rotatably connected to the end part of the movable contact piece, and the elastic pressing piece is configured to contact the movable contact piece and the static contact piece through the roller.

In one embodiment of the utility model, the driving mechanism further comprises a transmission part connected between the power part and the transmission screw rod, wherein the transmission part comprises a driving wheel, a driven wheel and a synchronous belt; the driving wheel is connected with the power part, the driven wheel is coaxially connected with the transmission screw rod, and the synchronous belt is wound on the driving wheel and the driven wheel.

In one embodiment of the utility model, a speed reducer is also connected between the power part and the driving wheel.

In one embodiment of the utility model, the driving mechanism further comprises a linear sliding rail extending along the moving direction of the feeding bracket, and the feeding bracket and the linear sliding rail form a sliding pair.

In a second aspect, there is provided a feeding apparatus for screen printing, comprising:

A moving body and a feeding structure for screen printing provided in the first aspect; the movable body is arranged on the movable body.

Compared with the prior art, the technical scheme of the utility model has the following advantages:

The feeding structure and the device for screen printing can realize automatic filling of the sizing agent, so as to ensure filling quality and avoid influencing printing quality. Secondly, the embodiment can realize the opening and closing of the safety door and automatic grouting in the printing process of the printing machine through the feeding structure of the feeding equipment. In addition, under the condition of realizing automatic grouting, equipment cost investment and labor cost investment are reduced, the automation level of screen printing is improved, and the production efficiency is improved.

Drawings

In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings, in which

Fig. 1 is a schematic structural view of a feeding apparatus for screen printing;

FIG. 2 is a schematic structural view of a feeding structure for screen printing;

FIG. 3 is a schematic view of the sliding door assembly of FIG. 2;

FIG. 4 is a schematic view of the structure of the feeding assembly of FIG. 2;

FIG. 5 is a schematic diagram of a connection structure between the second slider and the photo-detecting piece and between the second slider and the elastic pressing piece in FIG. 2;

fig. 6 is a schematic structural view of the limit switch in fig. 2.

Description of the specification reference numerals: 1. a moving body; 2. a feeding structure;

100. A support assembly; 110. a support base plate; 120. a support frame; 130. a supporting top plate;

200. A feeding assembly; 210. a support platform; 211. a feeding base; 220. a driving mechanism; 221. a power section; 222. a transmission screw; 223. a lead screw nut; 224. a second slider; 2241. a sliding part; 2242. a connection part; 225. a second slide rail; 226. a transmission part; 227. a speed reducer; 230. a feeding bracket; 240. a filling pipe; 250. a filling head; 260. a screw rod bracket; 270. a linear slide rail; 280. a limit position part; 281. a photoelectric detection sheet; 282. a photodetector; 290. a limit part; 291. elastic tabletting; 292. a limit switch; 2921. a movable contact; 2922. a stationary contact; 2923. a switch bracket; 2924. a switch body; 2925. a roller;

300. A sliding door assembly; 310. a mounting bracket; 320. a vacuum chuck; 330. a first linear module; 340. a mobile platform; 350. a second linear module; 360. a first slide rail; 370. a first slider.

Detailed Description

The utility model will be further described in connection with the accompanying drawings and specific examples which are set forth so that those skilled in the art will better understand the utility model and will be able to practice it, but the examples are not intended to be limiting of the utility model.

Referring to fig. 1, the utility model provides a feeding apparatus for screen printing, comprising: a movable body 1 and a feeding structure 2, wherein the feeding structure 2 is arranged on the movable body 1. Wherein the moving body 1 is used for driving the feeding structure 2 thereon to move to different screen printers for paste filling. The moving body 1 generally exhibits a robot body structure capable of autonomous movement. On it, set up the shell structure of safeguard function more.

Referring to fig. 2 to 6, the feeding structure 2 includes: support assembly 100, feeding assembly 200, and sliding door assembly 300. Wherein: the support assembly 100 includes a support base 110, a support bracket 120 fixed to the support base 110, and a support top plate 130 fixed to the support bracket 120. In some embodiments, the support bracket 120 is secured to one end of the top of the support base 110. The support top plate 130 is fixed to the top of the support frame 120.

The feeding assembly 200 is connected to the support base 110 of the support assembly 100. The feed assembly 200 includes a support platform 210, a drive mechanism 220, a feed bracket 230, a fill tube 240, and a fill head 250. The support platform 210 is fixed to the top of the support base 110. The driving mechanism 220 is mounted on the support base 110. The feeding bracket 230 is connected to the driving mechanism 220. The filling pipe 240 is provided on the feeding bracket 230, and the filling head 250 is connected to an end of the filling pipe 240 and is mounted at an outer end of the feeding bracket. The feeding support 230 can be driven to move in the X direction with respect to the support assembly 100 by the driving mechanism 220.

The sliding door assembly 300 is installed above one end of the feeding assembly 200 by the support assembly 100. The sliding door assembly 300 includes a horizontal movement module, a mounting bracket 310, and a vacuum chuck 320. The horizontal movement module is disposed on the support top plate 130 of the support assembly 100. The mounting bracket 310 is disposed on the horizontal movement module. The mounting bracket 310 can be driven to move in the X-direction and the Y-direction with respect to the support assembly 100 by the horizontal movement module. And the X direction and the Y direction are perpendicular. The vacuum chuck 320 is fixed to the outer end of the mounting bracket. The safety door of the screen printer is sucked by the vacuum chuck 320 and then opened or closed by the driving of the horizontal moving module.

In connection with fig. 2 and 3, the "X direction" above refers to the length direction of the support assembly 100, and in particular, the length direction of the support base 110. The "Y direction" refers to the width direction of the support assembly 100, and particularly to the width direction of the support base 110. In practical applications, the change in the length direction or the width direction corresponding to the X direction or the Y direction may be caused by the dimensional change of the supporting base plate 110. Generally, the X-direction corresponds to the direction of movement of the feed carriage 230. The Y direction is perpendicular to the X direction.

The present embodiment moves between different printing lines or different process sections by moving the body 1, and opens and closes the safety door by moving the door assembly 300, and also can perform paste filling by the feeding assembly 200. Therefore, the automatic level of screen printing can be improved, and the production efficiency is improved. The grouting device can be independently provided with the grouting machine and the grouting machine, so that equipment cost investment and labor cost investment are greatly reduced.

In summary, the embodiment can realize automatic filling of the slurry, so as to ensure filling quality and avoid influencing printing quality. Secondly, the embodiment can realize the opening and closing of the safety door and automatic grouting in the printing process of the printing machine through the feeding structure 2 of the feeding device. In addition, under the condition of realizing automatic grouting, equipment cost investment and labor cost investment are reduced, the automation level of screen printing is improved, and the production efficiency is improved.

In this embodiment, the horizontal moving module includes a first linear module 330, a moving platform 340 and a second linear module 350. The first linear module 330 is fixed on the supporting top plate 130, and the moving platform 340 is fixedly connected with the movable portion on the first linear module 330. The first linear module 330 has power, and the first linear module 330 can enable the moving platform 340 to move in the X direction. The second linear module 350 is connected to the top of the mobile platform 340. The mounting bracket 310 is fixedly connected with the movable portion of the second linear module 350. And, the second linear module 350 has power. The mounting bracket 310 can be driven to move in the Y direction by the second linear module 350. Specifically, the first linear module 330 and the second linear module 350 in the present embodiment are preferably electric sliding tables. Of course, other linear drive mechanisms may be employed.

Further, the horizontal movement module further includes a first sliding rail 360 and a first sliding block 370. The first sliding rail 360 extends along the X direction and is connected to the supporting top plate 130, and the first sliding block 370 is slidably connected to the first sliding rail 360. The moving platform 340 is coupled to the first slider 370. Specifically, the two first sliding rails 360 are respectively disposed at two ends of the top of the supporting top plate 130 along the Y direction. Accordingly, there are two first sliding blocks 370, one on each first sliding rail 360. In practical application, the number of the first sliders can be adjusted according to the width of the moving platform in the X direction.

Further, the driving mechanism 220 includes a power portion 221 (e.g., a motor), a transmission screw 222, a screw nut 223, a second slider 224, and a second slide rail 225. The driving screw 222 is connected with the output end of the power part 221, and the driving screw 222 is rotatably connected with the supporting platform 210. In some embodiments, the support platform 210 is provided with two symmetrically arranged screw supports 260, and two ends of the driving screw 222 are respectively and rotatably connected with the two screw supports 260. The lead screw nut 223 is screwed with the drive lead screw 222. The second slider 224 is fixedly connected with the lead screw nut 223. And, the second slider 224 is connected to the feeding bracket 230. The second slide block 224 may be connected to the feeding support 230 in a fixed or movable manner. The direct connection mode can be adopted, and the indirect connection can also be realized by adopting an intermediate structure. The second sliding rail 225 is disposed parallel to the driving screw 222, the second sliding rail 225 is connected to the supporting platform 210, and the second sliding rail 225 is slidably connected to the second slider 224. In some embodiments, the second slider 224 includes a slip 2241 slidably coupled with the second slide rail 225 and a connection 2242 coupled with the feed carriage 230. Specifically, the length direction of the driving screw 222 and the length direction of the second sliding rail 225 of the present embodiment are along the X direction, so as to provide driving and guiding for the movement of the feeding bracket 230 along the X direction.

Further, the driving mechanism 220 further includes a transmission portion 226 connected between the power portion 221 and the transmission screw 222. The transmission portion 226 includes a driving pulley, a driven pulley, and a timing belt. The driving wheel is connected with the power part 221, the driven wheel is coaxially connected with the transmission screw 222, and the synchronous belt is wound on the driving wheel and the driven wheel. Specifically, the present embodiment provides the transmission portion 226, improving the transmission efficiency.

Further, a speed reducer 227 is also connected between the power unit 221 and the driving wheel. Specifically, the speed reducer 227 can reduce speed while increasing output torque.

Further, the driving mechanism 220 further includes a linear rail 270 extending along the moving direction of the feeding bracket 230, and the feeding bracket 230 is slidably coupled to the linear rail 270. In some embodiments, the support platform 210 is provided with a feeding base 211, and the linear slide 270 is fixed on top of the feeding base 211. Specifically, the linear guide 270 plays a guiding role, so that the feeding bracket 230 operates more smoothly when moving the feeding.

Further, the feeding assembly 200 further includes a limit position portion 280 for triggering the feeding supporter 230 to stop moving. The limit position portion 280 includes a photodetector 281 and a photodetector 282. The photodetection piece 281 is connected to the connection portion 2242 of the second slider 224. The photodetector 282 cooperates with the photodetector tab 281, and the photodetector 282 is connected to the end of the support platform 210. Specifically, after the photodetector 282 detects the photodetector piece 281, the power unit 221 can be triggered to stop running, so that the second slider 224 is stopped after being in place.

Further, the feeding assembly 200 further includes a stopper 290 for restricting the movement of the feeding bracket 230 to derail. The limit part 290 includes an elastic pressing piece 291 and a limit switch 292. The elastic pressing piece 291 is arranged on the connecting part 2242 of the second slide block 224, the limit switch 292 is arranged at the end part of the supporting platform 210, and the limit switch 292 is matched with the elastic pressing piece 291. In some embodiments, the resilient press sheet 291 is integrally connected with the photo-detection sheet 281. In some embodiments, limit switch 292 includes a movable contact 2921 connected to support assembly 100 and a stationary contact 2922, movable contact 2921 cooperating with a resilient tab 291, resilient tab 291 being configured to trigger contact of movable contact 2921 with stationary contact 2922. In some embodiments, limit switch 292 includes a switch bracket 2923 and a switch body 2924. The switch bracket 2923 is fixedly connected to the support platform 210, and the switch body 2924 is fixedly connected to the switch bracket 2923. The movable contact 2921 and the stationary contact 2922 are connected to the switch body 2924. Specifically, the limit switch 292 of the limit part 290 is matched with the elastic pressing piece 291 to realize limit triggering emergency stop, so that the movement derailment of the feeding bracket 230 is avoided, and accidents are caused.

Further, a roller 2925 is rotatably connected to an end of the movable contact 2921, and the elastic pressing piece 291 is configured to contact the movable contact 2921 with the stationary contact 2922 via the roller 2925. Specifically, the roller 2925 in the present embodiment makes the elastic pressing piece 291 in rolling connection when contacting the movable contact 2921, which can reduce resistance at the time of pressing while achieving insulating pressing.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations and modifications of the present utility model will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. And obvious changes and modifications which are extended therefrom are still within the scope of the utility model.

Claims

1. A feed structure for screen printing, characterized in that: comprising the following steps:

A support assembly;

The feeding assembly is connected to the supporting assembly and comprises a driving mechanism connected with the supporting assembly, a feeding bracket connected with the driving mechanism, a filling pipe arranged on the feeding bracket and a filling head connected with the filling pipe; the driving mechanism is configured to drive the feeding bracket to move in the X direction relative to the supporting component;

The sliding door assembly is erected above one end of the feeding assembly through the supporting assembly; the sliding door assembly comprises a horizontal moving module connected with the supporting assembly, a mounting bracket connected with the horizontal moving module and a vacuum chuck arranged on the mounting bracket and used for adsorbing a safety door, wherein the horizontal moving module is configured to drive the mounting bracket to move along the X direction and the Y direction relative to the supporting assembly, and the X direction is perpendicular to the Y direction.

2. The feeding structure for screen printing according to claim 1, wherein: the horizontal moving module comprises a first linear module connected with the supporting component, a moving platform connected with the first linear module in a sliding manner, and a second linear module connected to the moving platform; the first linear module is provided with power to drive the mobile platform to move along the X direction; the second linear module is provided with power to drive the mounting bracket mounted on the second linear module to move along the Y direction.

3. The feeding structure for screen printing according to claim 2, wherein: the horizontal movement module further comprises a first sliding rail arranged on the supporting component and a first sliding block in sliding connection with the first sliding rail; the first sliding rail extends along the X direction; the mobile platform is fixedly connected with the first sliding block.

4. The feeding structure for screen printing according to claim 1, wherein: the driving mechanism comprises a power part, a transmission screw rod connected with the power part, a screw rod nut in threaded connection with the transmission screw rod, a second sliding block connected with the screw rod nut and a second sliding rail in sliding connection with the second sliding block; the transmission screw rod is rotationally connected with the supporting component, the second sliding block is connected with the feeding bracket, and the second sliding rail is connected with the supporting component.

5. The feeding structure for screen printing according to claim 4, wherein: the feeding assembly further comprises a limit position part for triggering the feeding bracket to stop moving, wherein the limit position part comprises a photoelectric detection sheet connected with the second sliding block and a photoelectric detector matched with the photoelectric detection sheet; the photodetector is connected to an end of the support assembly.

6. The feeding structure for screen printing according to claim 4, wherein: the feeding assembly further comprises a limiting part for limiting the movement of the feeding bracket to derail; the limiting part comprises an elastic pressing sheet arranged on the second sliding block and a limiting switch arranged at the end part of the supporting component, and the limiting switch is matched with the elastic pressing sheet.

7. The feeding structure for screen printing according to claim 6, wherein: the limit switch comprises a movable contact piece and a static contact piece which are connected with the supporting component, the end part of the movable contact piece is rotationally connected with a roller, and the elastic pressing piece is configured to trigger the movable contact piece to be contacted with the static contact piece through the roller.

8. The feeding structure for screen printing according to claim 4, wherein: the driving mechanism further comprises a transmission part connected between the power part and the transmission screw rod, and the transmission part comprises a driving wheel, a driven wheel and a synchronous belt; the driving wheel is connected with the power part, the driven wheel is coaxially connected with the transmission screw rod, and the synchronous belt is wound on the driving wheel and the driven wheel.

9. The feeding structure for screen printing according to claim 1, wherein: the driving mechanism further comprises a linear sliding rail extending along the moving direction of the feeding support, and the feeding support and the linear sliding rail form a sliding pair.

10. A feeding apparatus for screen printing, characterized in that: comprising the following steps:

A moving body;

the feeding structure according to any one of claims 1 to 9, provided on the moving body.