CN210911622U

CN210911622U - Linear screen printer

Info

Publication number: CN210911622U
Application number: CN201921406667.6U
Authority: CN
Inventors: 吴丰礼
Original assignee: Guangdong Topstar Technology Co Ltd
Current assignee: Guangdong Topstar Technology Co Ltd
Priority date: 2019-08-27
Filing date: 2019-08-27
Publication date: 2020-07-03
Anticipated expiration: 2029-08-27

Abstract

The utility model belongs to the technical field of panel screen print equipment, a orthoscopic screen print machine is disclosed, including being dust collector, visual positioning device, screen print device and the selective examination unloader that the straight line distributes in proper order, still include the straight line and carry the device, the straight line is carried the device and is included two moves of setting towards the top and carries the tool, the straight line is carried the device and is located visual positioning device, screen print device and selective examination unloader's below, one side of dust collector is provided with centering device, centering device keeps away from one side of selective examination unloader is provided with loading attachment. According to the scheme, the linear transfer device with the double transfer jigs is arranged below the three operation devices, on one hand, double stations can be simultaneously transferred to the plate pieces, transfer efficiency is improved, on the other hand, the linear transfer device can be prevented from interfering with structures on the operation devices, and therefore the whole structure is more compact and the whole action is more efficient.

Description

Linear screen printer

Technical Field

The utility model relates to a panel screen print equipment technical field especially relates to a orthoscopic screen print machine.

Background

The plate is an important component of various industrial products, and in the production process of the industrial products, various treatments, such as dust removal, visual positioning, surface printing, blanking sampling inspection and the like, need to be carried out on the plate, and the plate needs related plate transferring equipment to be transferred among the different processes. The existing plate transferring equipment is generally mutually independent, namely, an independent plate transferring equipment is arranged between every two adjacent structures to realize the connection of the two adjacent structures, and the design causes higher overall cost of the equipment on one hand, and on the other hand, the control is complex and the overall transferring efficiency is lower. Based on the above situation, it is necessary to design a new screen printing machine.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an aim at: provided is a linear screen printing machine capable of improving the transfer efficiency of a sheet material.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a linear type screen printer, includes dust collector, visual positioning device, screen printing device and the selective examination unloader that is the straight line and distributes in proper order, still includes the straight line and moves the device that carries, the straight line moves the device and includes two moves the year tool that moves that set up towards the top, the straight line moves the device and is located visual positioning device, screen printing device and selective examination unloader's below, one side of dust collector is provided with the centering device, the centering device is kept away from one side of selective examination unloader is provided with loading attachment.

As a preferred technical solution, the visual positioning device includes a visual support, and a camera and a light source board mounted on the visual support, the camera is located above the light source board, a positioning placing board for bearing a board piece is provided between the camera and the light source board, the positioning placing board is mounted on a positioning table, a light beam emitted by the light source board passes through the positioning placing board and then is received by the camera, and the linear transferring device is located below the light source board.

As a preferred technical scheme, the positioning placement board comprises a bearing part and a connecting part, the bearing part is located between the camera and the light source board, a light transmission groove is formed in the position, corresponding to the camera, of the bearing part, the light source board covers the lower portion of the light transmission groove, the connecting part is fixed on the positioning table, and the positioning table is located outside a longitudinal three-dimensional space of the light source board.

As an optimal technical scheme, the light source board includes main part board and vice body board, the main part board is fixed on the vision support, vice body board is located the main part board is close to one side of screen printing device, vice body board passes through the light source cylinder and installs on the vision support, first tool groove of stepping down has still been seted up to the supporting part, first tool groove of stepping down is located the supporting part is kept away from the one end of light source cylinder.

As an optimal technical scheme, the screen printing device comprises a screen printing plate assembly, an executing mechanism and a screen printing platform, wherein the executing mechanism is located above the screen printing plate assembly, the screen printing platform is located below the screen printing plate assembly, a second jig abdicating groove is formed in the screen printing platform, and the linear transferring device is located below the screen printing platform.

As a preferable technical solution, the actuator includes an actuator seat, an actuator slider, and an actuator head, the actuator slider is longitudinally slidably connected to the actuator seat, the actuator head is disposed at a lower end of the actuator slider, a pressure sensor is disposed between the actuator head and the actuator slider, and the actuator head is slidably connected to the actuator slider.

As a preferred technical scheme, the selective examination unloader is including the board and the buffer board of accepting that set up side by side, the straight line moves and carries the device to be located accept the below of board, the top of accepting board and buffer board is provided with the unloading manipulator, be provided with two sets of panel sucking discs on the unloading manipulator, it keeps away from to accept the board one side of buffer board is provided with the selective examination mechanism, one side of selective examination mechanism is provided with the selective examination manipulator.

As a preferred technical scheme, a translation abdicating groove and a lifting abdicating groove are formed in the bearing plate, the translation abdicating groove is communicated with the lifting abdicating groove, and the shape of the lifting abdicating groove is the same as that of the transfer jig of the linear transfer device.

As a preferred technical solution, the feeding device includes an originating feeding assembly and a transferring feeding assembly, and the originating feeding assembly and the transferring feeding assembly are respectively disposed at two adjacent sides of the centering device.

As a preferred technical scheme, a turning device is arranged on one side of the centering device, which is close to the transfer feeding assembly.

The utility model has the advantages that: the linear screen printing machine is characterized in that the linear transfer device with the double transfer jigs is arranged below the three operation devices, so that on one hand, double stations can be used for simultaneously transferring plate pieces, the transfer efficiency is improved, on the other hand, the interference between the linear transfer device and the operation devices can be avoided, and the overall structure is more compact and the overall action matching is more efficient.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and examples.

FIG. 1 is a schematic structural diagram of a screen printing machine according to an embodiment;

FIG. 2 is a top view of a screen printing machine according to an embodiment;

FIG. 3 is a schematic structural diagram of a turning device according to an embodiment;

fig. 4 is a schematic structural view of a linear transfer device according to an embodiment;

FIG. 5 is a schematic diagram illustrating a first viewing angle of a visual positioning apparatus according to an embodiment;

FIG. 6 is a schematic diagram illustrating a second perspective of the visual positioning apparatus according to the embodiment;

FIG. 7 is an enlarged view of a portion of the portion A shown in FIG. 5;

FIG. 8 is a first schematic view illustrating a first structure of a positioning and placing board and a light source board according to an embodiment;

FIG. 9 is a second schematic view of the structure of the positioning and placing board and the light source board according to the embodiment;

FIG. 10 is a schematic view of an exemplary embodiment of a screen printing apparatus;

FIG. 11 is a schematic structural diagram of an actuator according to an embodiment;

FIG. 12 is a first perspective structural view of the actuator according to the embodiment (outer housing not shown);

FIG. 13 is a first perspective structural view of an actuator according to an embodiment (connecting block not shown);

FIG. 14 is an enlarged view of a portion of the portion B shown in FIG. 13;

FIG. 15 is a second perspective structural view of the actuator according to the embodiment (the outer housing is not shown);

FIG. 16 is a side view of an actuator according to an embodiment;

FIG. 17 is a cross-sectional view taken along the line C-C in FIG. 16 (with the left set of actuator sliders and actuator heads omitted);

FIG. 18 is a schematic view of the structure of a mesh stent according to an embodiment;

FIG. 19 is a schematic structural view of a sampling blanking device according to an embodiment;

FIG. 20 is a top view of the sampling blanking device according to the embodiment;

FIG. 21 is a schematic structural view of a receiving plate and a buffering plate according to an embodiment;

FIG. 22 is a schematic structural view of a blanking manipulator according to an embodiment;

FIG. 23 is a schematic structural diagram of a sampling manipulator according to an embodiment;

fig. 24 is a schematic structural diagram of a spot check mechanism according to an embodiment.

In fig. 1 to 24:

10. a dust removal device; 11. a first manipulator; 20. a visual positioning device; 30. a screen printing device; 40. a sampling and checking blanking device; 50. a linear transfer device; 51. a transfer head; 511. transferring the jig; 60. a centering device; 61. a second manipulator; 70. a feeding device; 71. an originating feeding assembly; 72. a transferring and feeding assembly; 80. a turning device; 81. turning over a motor; 82. turning over the connecting rod; 83. turning over the sucker; 84. turning over the limiting column;

visual positioning device 20:

21. a vision support; 211. fixing a column; 212. a top plate;

22. a camera;

23. a light source plate; 231. a main body plate; 232. an auxiliary plate; 233. a light source cylinder;

24. positioning the placing plate; 241. a bearing part; 2411. a light-transmitting groove; 2412. a first jig abdicating groove; 242. a connecting portion; 243. a reinforcing plate; 2431. a jig channel;

25. a positioning table;

26. a visual translation mechanism; 261. a vision translation plate; 262. a vision translation motor; 263. a visual vertical plate; 264. a height adjustment member.

Screen printing device 30:

310. a net support; 3101. a main support bar; 3102. a support plate; 311. screen printing; 312. fixing the air cylinder;

320. an execution seat; 321. an inner support; 322. an outer housing; 323. a lead screw fixing plate; 324. a buffer block;

330. executing a sliding block; 331. a central abdicating hole; 332. fixing the boss;

340. an execution head; 341. connecting the sliding block; 342. a transition block; 343. an equal-height screw; 344. a support block; 345. a leveling block; 346. a limiting member; 347. a precision guide rail;

350. an actuator motor;

360. executing a lead screw;

370. a pressure sensor;

380. a scraper;

390. returning the ink knife;

3100. a screen printing seat;

3110. a translation mechanism;

3120. a suspension member;

3130. a screen printing platform;

sampling inspection blanking device 40:

41. a bearing plate; 411. a translation abdicating groove; 412. a lifting abdicating groove;

42. a cache board;

44. a feeding manipulator; 441. a blanking slide rail; 442. a blanking slide block; 443. a blanking lifting cylinder; 444. a plate sucker;

45. a sampling inspection mechanism; 451. a rack lifting motor; 452. placing a sampling inspection rack; 4521. placing the plate; 4522. taking and placing the notch; 4523. a connecting plate; 4524. mounting a plate;

46. a sampling manipulator; 461. sampling and checking the slide rail; 462. a sampling slide block; 463. a sampling inspection lifting cylinder; 464. and (4) sampling and inspecting the sucker.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

As shown in fig. 1 to 4, a linear screen printing machine includes a dust removing device 10, a visual positioning device 20, a screen printing device 30, a sampling inspection blanking device 40, and a linear transfer device 50, where the linear transfer device 50 includes two transfer heads 51 arranged upward, the linear transfer device 50 is located below the visual positioning device 20, the screen printing device 30, and the sampling inspection blanking device 40, a centering device 60 is disposed on one side of the dust removing device 10, and a feeding device 70 is disposed on one side of the centering device 60 away from the sampling inspection blanking device 40. In this embodiment, the centering device 60 is located at the adjacent side of the dust removing device 10 connected to the visual positioning device 20, that is, the centering device 60, the dust removing device 10 and the visual positioning device 20 are arranged at a right angle, and the dust removing device 10 is located at a bevel position. The side of the dust removing device 10 remote from the centring device 60 is provided with a first robot 11, the first robot 11 being used to transfer sheet pieces from the dust removing device 10 to the visual positioning device 20. One side of the centering device 60 is provided with a second robot 61, which second robot 61 is used to transfer the sheet piece from the centering device 60 to the dust removing device 10. The mounting height of the second mechanical hand 61 is greater than that of the first mechanical hand 11, and through the longitudinal dislocation layout design, the interference between the first mechanical hand 11 and the second mechanical hand 61 can be avoided, so that the overall structure is more compact, and the overall action matching is more efficient.

The linear transferring device 50 of the present embodiment is used for transferring the sheet material from the visual positioning device 20 to the screen printing device 30, and transferring the sheet material from the screen printing device 30 to the sampling blanking device 40. By arranging the linear transfer device 50 with the double transfer heads 51 below the three operation devices, on one hand, double stations can be simultaneously transferred to improve the transfer efficiency, and on the other hand, the linear transfer device 50 can be prevented from interfering with structures on the operation devices, so that the whole structure is more compact and the whole action is more efficient.

The feeding device 70 comprises a starting feeding assembly 71 and a transfer feeding assembly 72, and the starting feeding assembly 71 and the transfer feeding assembly 72 are respectively arranged at two adjacent sides of the centering device 60. The original feeding assembly 71 is used for manual batch feeding, and is suitable for the case that the screen printing process is a single process, namely the screen printing process and the upstream process are not continuously processed. The transfer feeding assembly 72 is used for realizing transition connection with an upstream process, and is suitable for the condition that the screen printing process and the upstream process are continuous operation processing. By arranging two different feeding assemblies, the application range of the feeding device 70 can be improved. In addition, in other application scenarios, the feeding device 70 can also achieve the function of recovering the upstream process sheet material pieces, after the sheet material pieces reach the transfer feeding assembly 72, the sheet material pieces are transferred to the centering device 60 by the manipulator of the transfer feeding assembly 72, then the manipulator of the originating feeding assembly 71 transfers the sheet material pieces on the centering device 60 to the trays in the originating feeding assembly 71, and finally the batch recovery of the sheet material pieces is achieved through tray stacking.

In this embodiment, one side of the centering device 60 close to the transfer feeding assembly 72 is provided with a turning device 80, the turning device 80 includes a turning motor 81, a turning connecting rod 82 and a turning suction cup 83, one end of the turning connecting rod 82 is connected to an output shaft of the turning motor 81, and the other end of the turning connecting rod 82 is provided with the turning suction cup 83. One end of the turning connecting rod 82 close to the output shaft of the turning motor 81 is provided with a turning limiting column 84 for improving the reliability of the termination position of the turning connecting rod 82 and avoiding the turning sucker 83 from striking the centering device 60. The turning device 80 is arranged in the embodiment, so that the incoming material requirements of the plate pieces in different directions can be met, and the applicability of the screen printing machine in connection with an upstream process is improved.

As shown in fig. 5 to 9, the visual positioning device 20 includes a visual support 21, and a camera 22 and a light source board 23 mounted on the visual support 21, the camera 22 is located above the light source board 23, a positioning placing board 24 for bearing a sheet material is disposed between the camera 22 and the light source board 23, the positioning placing board 24 is mounted on a positioning table 25, a light beam emitted from the light source board 23 passes through the positioning placing board 24 and then is received by the camera 22, and the linear transferring device 50 is located below the light source board 23. Through placing board 24 with the location between camera 22 and light source board 23, and place board 24 and install on location platform 25 in the location, utilize sheet material piece to shelter from the partial light beam that light source board 23 sent, can make camera 22 cooperate light source board 23 to realize the formation of image of the sheet material piece that the location was placed on board 24, and then place board 24 through location platform 25 to the location and fix a position to realize the high accuracy location of sheet material piece, and realize the detection to sheet material piece shape and size.

In this embodiment, the position of the positioning board 24 corresponding to the camera 22 is provided with a light-transmitting groove 2411, and the light source board 23 covers the lower part of the light-transmitting groove 2411. By providing the light transmitting groove 2411, it can be ensured that the light beam emitted from the light source board 23 can be received by the camera 22 by passing through the positioning placement board 24. In other embodiments, the positioning and placing plate is a transparent plate, and the positioning and placing plate does not need to be provided with a light-transmitting groove.

In this embodiment, the visual positioning device 20 further includes a visual translation mechanism 26, the camera 22 is slidably disposed on the visual support 21 through the visual translation mechanism 26, and the light-transmitting groove 2411 extends along the sliding direction of the camera 22. By arranging the horizontally movable camera 22 and the corresponding long-strip-shaped light transmission groove 2411, the visual positioning device 20 can meet the requirements of positioning and size detection of sheet materials with different specifications, and the universality of the device is effectively improved. The number of the vision translation mechanisms 26 is four, the four vision translation mechanisms 26 are in a rectangular layout, and one vision translation mechanism 26 is arranged on each side length of the rectangle. Three cameras 22 are mounted on each vision translation mechanism 26, the three cameras 22 mounted on the same vision translation mechanism 26 are linearly arranged, and the 212 cameras 22 on the four vision translation mechanisms 26 are integrally distributed in a rectangular shape. Of course, in other embodiments, only one camera may be mounted on each vision translation mechanism. By arranging the four vision translation mechanisms 26 and the corresponding cameras 22, on one hand, image acquisition can be reliably carried out on a plurality of edges of the sheet piece, and the positioning and detection precision is improved; on the other hand, the cameras 22 in four directions can be moved, so that the universality of the device can be improved on the premise of ensuring the precision.

In this embodiment, the vision translation mechanism 26 includes a vision translation plate 261 and a vision translation motor 262 for driving the vision translation plate 261 to slide, the vision translation plate 261 is slidably connected to the vision bracket 21, and the camera 22 is mounted on the vision translation plate 261. The four vision translation plates 261 are opposite to each other in pairs, and the sliding directions of the two opposite vision translation plates 261 are opposite, namely, the two opposite vision translation plates approach to each other and slide away from each other; the sliding directions of the two adjacent vision translating plates 261 are perpendicular. Specifically, the vision translation motor 262 is in transmission connection with the vision translation plate 261 through a screw. Through the screw connection, a larger stroke of the vision translation plate 261 can be realized, so that the vision positioning device 20 can meet the use requirements of plate pieces with more specifications.

The vision bracket 21 includes a fixing column 211 and a top plate 212, wherein one set of two opposite vision translation motors 262 is disposed above the top plate 212, and the other set of two opposite vision translation motors 262 is disposed below the top plate 212. The vertical space above and below the top plate 212 can be fully utilized through the vision translation motor 262 which is arranged in a vertically staggered manner, so that the whole structure of the device is more compact.

The vision translation mechanism 26 further comprises a vision vertical plate 263, the camera 22 is mounted on the vision vertical plate 263, a height adjusting piece 264 is arranged on the top of the vision vertical plate 263, and one end of the height adjusting piece 264 is connected with the top of the camera 22. The height adjusting part 264 can realize the position adjustment of the cameras 22 in the vertical direction, so that the height consistency of the cameras 22 can be better adjusted, and the imaging precision and the positioning precision are improved.

In this embodiment, the positioning placing plate 24 includes a bearing portion 241 and a connecting portion 242, the bearing portion 241 is located between the camera 22 and the light source plate 23, the bearing portion 241 is opened with a light-transmitting groove 2411, the connecting portion 242 is fixed on the positioning table 25, and the positioning table 25 is located outside the vertical three-dimensional space of the light source plate 23. In particular, the positioning stage 25 is a UVW positioning stage. The transfer of the sheet material needs to be assisted by the external transfer head 51, the transfer head 51 sucks the sheet material from below the bearing part 241, and the positioning table 25 is arranged outside the vertical three-dimensional space of the light source plate 23, that is, the positioning table 25 is not positioned below the light source plate 23 but is offset, so that the transfer head 51 can provide an in-and-out space, and the sheet material transfer is more efficient.

In this embodiment, the upper surface of the supporting portion 241 is provided with an air suction groove, so that the board can be fixed through the air suction groove, and the board is prevented from being easily displaced. In other embodiments, the upper surface of the bearing part is provided with a protective pad, the protective pad is a transparent pad, the plate piece is placed on the protective pad, and the protective pad can prevent the plate piece from being damaged by collision on one hand and can ensure that the light beam passes through and reaches the camera on the other hand.

The light source plate 23 includes a main body plate 231 and a sub body plate 232, the main body plate 231 has a U-shaped structure, and the sub body plate 232 is located at an opening position of the main body plate 231. The main body plate 231 is fixed on the visual support 21, the auxiliary body plate 232 is located on one side of the main body plate 231 close to the screen printing device 30, the auxiliary body plate 232 is installed on the visual support 21 through the light source cylinder 233, the light source cylinder 233 is located on one side of the light source plate 23 far away from the positioning table 25, the bearing portion 241 is further provided with a first jig yielding groove 2412, and the first jig yielding groove 2412 is located at one end of the bearing portion 241 far away from the light source cylinder 233. Specifically, through setting up mobilizable vice body board 232, realize providing more even light beam for camera 22 on the one hand, guarantee the imaging precision, on the other hand realizes opening and close of main part board 231's open-ended, for the business turn over that moves the year head 51 provides the space, set up the groove 2412 of stepping down with first tool in the one end of keeping away from light source cylinder 233 simultaneously, can shorten vice body board 232 and realize the required stroke of stepping down, thereby improve vice body board 232 the efficiency of stepping down and move the efficiency that the year head 51 absorbs the sheet material spare.

In the embodiment, a reinforcing plate 243 is disposed at one end of the carrying portion 241, the reinforcing plate 243 is located at one end of the carrying portion 241, where the first jig receding groove 2412 is formed, and a jig passage 2431 is disposed at a lower end of the reinforcing plate 243. Through setting up reinforcing plate 243, can guarantee the intensity of bearing part 241, avoid bearing part 241 to warp because of seting up first tool groove 2412 of stepping down, set up tool passageway 2431 at the lower extreme of reinforcing plate 243 simultaneously, can provide the passageway that shifts out for shifting head 51 and sheet material spare. Specifically, after the board is positioned, the sub-body plate 232 is driven by the light source cylinder 233 to move to a side away from the positioning table 25, a space right below the first jig yielding groove 2412 is exposed, the transferring jig 511 of the transferring head 51 enters from below the bearing part 241 and reaches right below the board in the working process, then moves upwards to reach the upper part of the bearing part 241 through the first jig yielding groove 2412 and realizes the absorption of the board, and finally the transferring jig 511 carries the board to pass through the first jig yielding groove 2412 to move horizontally and finally leave the visual positioning device 20 through the jig channel 2431.

As shown in fig. 10 to 18, the screen printing device 30 includes a screen assembly, an actuator and a screen printing platform 3130, the actuator is located above the screen assembly, the screen printing platform 3130 is located below the screen assembly, the screen printing platform 3130 is provided with a second tool recess, and the linear transfer device 50 is located below the screen printing platform 3130.

The actuator comprises an actuator seat 320, an actuator slider 330 and an actuator head 340, wherein the actuator slider 330 is longitudinally connected with the actuator seat 320 in a sliding manner, the actuator head 340 is arranged at the lower end of the actuator slider 330, a pressure sensor 370 is arranged between the actuator head 340 and the actuator slider 330, and the actuator head 340 is connected with the actuator slider 330 in a sliding manner. When the actuator head 340 presses the screen assembly and contacts the sheet member, the actuator head 340 is pressed upward, and at this time, the pressure sensor 370 follows the actuator head 340 to move upward and contact the lower end of the actuator slider 330, so that the pressure sensor 370 obtains the interaction force between the actuator head 340 and the sheet member, thereby providing a data base for pressure control of the screen printing apparatus 30. Specifically, in the present embodiment, by providing the separate execution slider 330 and the separate execution head 340, and providing the pressure sensor 370 therebetween, the screen printing apparatus 30 can directly, efficiently and in real time obtain the acting force between the execution head 340 and the plate member, so as to achieve the fine adjustment of the longitudinal position of the execution head 340, and further improve the operation precision of the screen printing apparatus 30.

In this embodiment, the screen printing apparatus 30 further includes a screen printing seat 3100 and a translation mechanism 3110 installed on the screen printing seat 3100, the translation mechanism 3110 is longitudinally slidably connected to the screen printing seat 3100, the actuator is installed on the translation mechanism 3110, the actuator is horizontally slidably connected to the translation mechanism 3110, the screen assembly is fixed on the translation mechanism 3110, and the screen assembly is located below the translation mechanism 3110. The actuator is connected with the translation mechanism 3110 through a suspension 3120, one end of the suspension 3120 is fixedly connected with the actuator, and the other end of the suspension 3120 is connected with the translation mechanism 3110 in a sliding manner. This scheme makes actuating mechanism realize the vertical advance and retreat of big stroke through setting up the translation mechanism 3110 who connects screen print seat 3100 and actuating mechanism to be close to and keep away from the sheet material spare, and realize operation horizontal migration, thereby realize scraping the china ink.

In this embodiment, the actuator further includes an actuator 350 and an actuator screw 360, the actuator 350 is installed on the top of the actuator base 320, an output shaft of the actuator 350 faces downward, the actuator screw 360 is vertically disposed, the actuator screw 360 is connected to the output shaft of the actuator 350, and the actuator slider 330 is in threaded connection with the actuator screw 360. Through setting up actuating motor 350 drive and carry out slider 330 longitudinal movement, can realize carrying out quick the feeding and returning of slider 330 on the one hand, on the other hand can adjust the moving distance of carrying out slider 330 to satisfy the demand of the operation object of different shapes, improve the commonality of equipment. The longitudinal movement of the conventional screen printing equipment is generally realized through a two-stage cylinder structure, the first stage is used for realizing the quick advance and retreat of the execution sliding block 330, and the second stage is used for realizing the micro-adjustment of the distance between the execution sliding block 330 and the plate piece.

In this embodiment, the actuator base 320 includes an inner frame 321 and an outer housing 322 surrounding the inner frame 321, the actuator slider 330 is slidably connected to the inner frame 321, the actuator motor 350 is installed on the top of the inner frame 321, and the actuator slider 330 and the actuator screw 360 are both located in a gap space formed between the inner frame 321 and the outer housing 322. The inner support 321 is provided with a screw fixing plate 323, the executing slide block 330 is provided with a center yielding hole 331, the center yielding hole 331 is a strip-shaped hole extending along the longitudinal direction, the screw fixing plate 323 penetrates through the center yielding hole 331, one end of the executing screw 360 far away from the executing motor 350 is connected with the screw fixing plate 323, and the thread connecting structure of the executing slide block 330 and the executing screw 360 is located above the center yielding hole 331. By providing the screw fixing plate 323 penetrating the center relief hole 331 and disposing the threaded connection structure above the center relief hole 331, the overall structure of the actuator can be made more compact and smaller.

The screw fixing plate 323 is provided with a buffer block 324, the buffer block 324 penetrates through the screw fixing plate 323, and the buffer block 324 is located in the center yielding hole 331. Through the arrangement of the buffer block 324 in the center yielding hole 331, the hard collision between the execution sliding block 330 and the lead screw fixing plate 323 can be avoided, the damage is prevented, and the service life of the device is prolonged.

In this embodiment, the actuator head 340 includes a connection slider 341 and a transition block 342 mounted on the connection slider 341, the connection slider 341 is located on a side surface of the actuator slider 330, the transition block 342 is located below the actuator slider 330, a transition mounting groove is formed at a top of the transition block 342, the pressure sensor 370 is mounted in the transition mounting groove, the pressure sensor 370 protrudes from an upper surface of the transition block 342, and the connection slider 341 and the actuator slider 330 are slidably connected through a precision guide rail 347. By providing the connecting slider 341 and the actuating slider 330 slidably movable with respect to each other, the pressure monitoring of the actuating head 340 and the outer sheet member is realized, so that the screen printing device 30 adjusts the pressure in real time.

The actuating head 340 further includes two equal-height screws 343, fixing bosses 332 are respectively provided on both sides of the bottom of the actuating slider 330, one equal-height screw 343 is provided on each fixing boss 332, and the equal-height screw 343 penetrates through the fixing bosses 332 and is in threaded connection with the transition block 342. By arranging the equal-height screw 343, on one hand, the separation of the execution head 340 from the execution sliding block 330 is avoided, and on the other hand, the maximum stroke of the execution head 340 is effectively controlled, so that the reliability of pressure detection is ensured.

The actuator head 340 further comprises a supporting block 344 and a leveling block 345, the supporting block 344 is connected with the transition block 342, the leveling block 345 is sleeved outside the supporting block 344, and the leveling block 345 is connected with the supporting block 344 in a swinging mode. A support shaft is arranged in the middle of the support block 344, a support hole is formed in the middle of the leveling block 345, and the support shaft is inserted into the support hole. By arranging the supporting block 344 and the leveling block 345 which are connected in a swinging mode, the actuating head 340 can be adjusted in a small-angle position to adapt to the surface shapes of different plate pieces, and therefore the universality of the device is improved. The two ends of the leveling block 345 are provided with a limiting member 346, the limiting member 346 is in threaded connection with the leveling block 345, and the limiting member 346 can be in contact with the supporting block 344, so that the swinging angle of the leveling block 345 is limited.

In this embodiment, the number of the actuators is two, and the two actuators share the same actuator base 320, wherein the bottom of the actuator head 340 of one actuator is mounted with a scraper 380, the bottom of the actuator head 340 of the other actuator is mounted with a return blade 390, and both the scraper 380 and the return blade 390 are mounted at the bottom of the leveling block 345. The two actuators are arranged in parallel and the actuator with the doctor blade 380 is located at the front end in the working horizontal movement direction of the actuator with the ink return blade 390. The horizontal moving direction of the operation refers to the horizontal moving direction of the actuator in the ink scraping and screen printing process.

In this embodiment, the screen assembly comprises a screen frame 310 and a screen 311 mounted on the screen frame 310, the screen frame 310 comprises two main support rods 3101 and a support plate 3102 fixed on the bottom of the main support rods 3101, and the support plate 3102 is mounted on both ends of the main support rods 3101. The screen assembly further includes a stationary cylinder 312, the stationary cylinder 312 being mounted above the screen support 310. The fixed cylinder 312 can clamp the fixed screen 311 quickly, so as to facilitate quick positioning and replacement of the screen 311. By arranging the support plates 3102 at the two ends of the main support rod 3101, the middle part of the lower part of the main support rod 3101 forms a yielding space, and the design can assist in yielding the plate pieces below, thereby shortening the rising height of the screen printing plate 311 and further improving the operating efficiency of the screen printing device 30.

As shown in fig. 19 to 24, the sampling and blanking device 40 includes a receiving plate 41 and a buffer plate 42 arranged in parallel, a linear transfer device 50 is provided below the receiving plate 41, a blanking robot 44 is provided above the receiving plate 41 and the buffer plate 42, two sets of plate material suction cups 444 are provided on the blanking robot 44, a sampling mechanism 45 is provided on a side of the receiving plate 41 away from the buffer plate 42, and a sampling robot 46 is provided on a side of the sampling mechanism 45. The linear transfer device 50 transfers one finished sheet material to the receiving plate 41, the blanking robot 44 transfers the sheet material to the buffer plate 42, the linear transfer device 50 then transfers the other finished sheet material to the receiving plate 41, and the blanking robot 44 simultaneously transfers the two sheet materials on the receiving plate 41 and the buffer plate 42 to realize blanking. In this process, if a defective sheet is determined by visual inspection, the sampling manipulator 46 will transfer the sheet from the receiving plate 41 to the sampling mechanism 45, and the device will issue a warning prompt to be manually rechecked by an operator, thereby avoiding batch defects. This embodiment is through setting up and accepting the buffer board 42 that board 41 parallels, and two sheet material spares are drawn from accepting board 41 and buffer board 42 simultaneously to unloading manipulator 44, can shorten unloading manipulator 44's whole stroke on the one hand, improves the transfer efficiency of sheet material spare, and on the other hand can utilize accepting board 41 to act as one of them sheet material spare unloading position, can omit second buffer board 42, simplifies the device structure, reduces the device cost.

For the unloader who sets up two buffer memory stations, need earlier shift to two buffer memory stations in proper order with two sheet materials spare, then this kind of design of synchronous unloading is realized to rethread manipulator from two buffer memory stations absorption two sheet materials spare simultaneously, this scheme need not shift to whole sheet materials spare just whole unloading behind the buffer memory station, but only need shift one of them sheet materials spare to buffer memory station, can realize the synchronous unloading of two sheet materials spare, a buffer memory board 42 can be left out to this kind of design of this scheme, and leave out a transfer action, thereby can simplify the device structure and improve unloading efficiency.

In the embodiment, the receiving plate 41 is provided with a translational abdicating slot 411 and a lifting abdicating slot 412, the translational abdicating slot 411 is communicated with the lifting abdicating slot 412, the lifting abdicating slot 412 has the same shape as the transferring jig 511 of the linear transferring device 50, and the size of the lifting abdicating slot 412 is enlarged by 2mm to 4mm outwards relative to the size of the transferring jig 511. After the transfer jig 511 of the linear transfer device 50 moves upward and sucks the board, the transfer jig 511 and the board of the linear transfer device 50 are higher than the receiving plate 41, the transfer jig 511 drives the board to translate toward the receiving plate 41, the transfer jig 511 moves from the translation abdicating slot 411 to enter the center of the receiving plate 41, at this time, the transfer jig 511 and the board are located above the receiving plate 41, then the transfer jig 511 moves downward, passes through the lifting abdicating slot 412 to reach the lower side of the receiving plate 41, and finally the transfer jig 511 moves and resets from the lower side of the receiving plate 41. Through setting up translation groove 411 and the lift groove 412 of stepping down to and the cooperation sets up the straight line that is located accepting the board 41 below and moves and carry device 50, can make the transfer drive structure of sheet material piece be located the below of accepting the board 41, make full use of accepts the below space of board 41, reserved the space of top for other transfer drive structures, avoid mutual interference or influence work efficiency.

The blanking manipulator 44 includes a blanking slide rail 441 and a blanking slide block 442, the blanking slide block 442 is slidably mounted on the blanking slide rail 441, the sampling manipulator 46 includes a sampling slide rail 461 and a sampling slide block 462, the sampling slide block 462 is slidably mounted on the sampling slide rail 461, and the sampling slide rail 461 and the sampling slide block 462 are located below the blanking slide rail 441 and the blanking slide block 442. The feeding manipulator 44 further comprises a feeding lifting cylinder 443, the feeding lifting cylinder 443 is installed on the feeding sliding block 442, and the two groups of plate suction cups 444 are installed at the movable end of the feeding lifting cylinder 443. The sampling manipulator 46 further comprises a sampling lifting cylinder 463, the sampling lifting cylinder 463 is installed on the sampling slider 462, and a sampling suction cup 464 is arranged at the movable end of the sampling lifting cylinder 463. Through the blanking manipulator 44 and the sampling manipulator 46 which are arranged in a staggered manner, the longitudinal space can be fully utilized, the horizontal occupied area of the sampling blanking device 40 is favorably reduced, and the process layout of the sampling blanking device 40 is further favorably realized.

In this embodiment, the sampling mechanism 45 includes a sampling rack 452 and a rack elevator motor 451, the sampling rack 452 is installed at the movable end of the rack elevator motor 451, and the sampling rack 452 includes three layers of placement boards 4521 arranged in an up-down manner. Through setting up the three-layer and placing board 4521 and work or material rest elevator motor 451, make selective examination mechanism 45 can place a plurality of sheet material spare to reduce operator's timeliness processing pressure, reduce the stop line of producing the line unusual. In other embodiments, the number of the placing plates 4521 may be two or four or five or more.

In this embodiment, work or material rest elevator motor 451 is located one side of selective examination rack 452, which is far away from selective examination manipulator 46, and sets up work or material rest elevator motor 451 and selective examination manipulator 46 in the both sides of rack respectively, can avoid interference between them in space, makes both have greater design freedom, and then reduces the design and processing difficulty. Place one side of board 4521 keeping away from accepting board 41 and be provided with and get and put breach 4522, can make things convenient for the operator to snatch panel spare, improve the operating efficiency.

A connecting plate 4523 is arranged on one side, away from the rack lifting motor 451, of the sampling test placement rack 452, the connecting plate 4523 is connected with the whole placement plate 4521, and the connecting plate 4523 is located on one side, away from the bearing plate 41. Through the arrangement of the offset connecting plate 4523, the selective inspection suction cup 464 of the selective inspection manipulator 46 can be avoided, so that the design difficulty of the selective inspection manipulator 46 is simplified, the overall layout of the selective inspection mechanism 45 and the selective inspection manipulator 46 is more compact, and the miniaturization of the device is favorably realized. In addition, a mounting plate 4524 is arranged in the middle of one side of the sampling placement frame 452 close to the rack lifting motor 451, the mounting plate 4524 is connected with all the placement plates 4521, and the mounting plate 4524 is fixedly connected with the movable end of the rack lifting motor 451. By providing the mounting plate 4524 at the middle portion, the connection reliability of the mounting plate 4521 can be improved.

In the embodiment, the receiving plate 41 and the buffer plate 42 are integrated, and this design can make the receiving plate 41 and the buffer plate 42 become one member or station, thereby simplifying the manufacturing process and the mounting and fixing structure of the receiving plate 41 and the buffer plate 42, and improving the assembly efficiency.

The terms "first" and "second" are used herein for descriptive purposes only and are not intended to have any special meaning.

It should be noted that the above embodiments are only preferred embodiments of the present invention and the technical principles applied, and any changes or substitutions which can be easily conceived by those skilled in the art within the technical scope of the present invention are covered by the protection scope of the present invention.

Claims

1. The utility model provides a linear type screen printer, its characterized in that, includes dust collector, vision positioner, screen print device and the selective examination unloader that is the straight line and distributes in proper order, still includes the straight line and moves the device that carries, the straight line moves the device and includes two moves the year tool that moves that set up towards the top, the straight line moves the device and is located vision positioner, screen print device and selective examination unloader's below, one side of dust collector is provided with centering device, centering device keeps away from one side of selective examination unloader is provided with loading attachment.

2. The linear screen printing machine according to claim 1, wherein the visual positioning device comprises a visual support, and a camera and a light source board mounted on the visual support, the camera is located above the light source board, a positioning board for carrying a sheet material is disposed between the camera and the light source board, the positioning board is mounted on a positioning table, a light beam emitted by the light source board passes through the positioning board and is received by the camera, and the linear transfer device is located below the light source board.

3. The linear screen printing machine according to claim 2, wherein the positioning placement plate comprises a bearing portion and a connecting portion, the bearing portion is located between the camera and the light source plate, a light transmission groove is formed in the bearing portion corresponding to the position of the camera, the light source plate covers the lower portion of the light transmission groove, the connecting portion is fixed on the positioning table, and the positioning table is located outside a longitudinal three-dimensional space of the light source plate.

4. The linear screen printing machine according to claim 3, wherein the light source plate includes a main plate and a sub-plate, the main plate is fixed on the vision bracket, the sub-plate is located on a side of the main plate close to the screen printing device, the sub-plate is mounted on the vision bracket through a light source cylinder, the bearing portion further has a first jig receding groove, and the first jig receding groove is located at an end of the bearing portion away from the light source cylinder.

5. The linear screen printing machine according to claim 1, wherein the screen printing device comprises a screen printing plate assembly, an actuator and a screen printing platform, the actuator is located above the screen printing plate assembly, the screen printing platform is located below the screen printing plate assembly, a second jig abdicating groove is formed in the screen printing platform, and the linear transfer device is located below the screen printing platform.

6. The linear screen printing machine according to claim 5, wherein the actuator comprises an actuator base, an actuator slider and an actuator head, the actuator slider is longitudinally slidably connected with the actuator base, the actuator head is arranged at the lower end of the actuator slider, a pressure sensor is arranged between the actuator head and the actuator slider, and the actuator head is slidably connected with the actuator slider.

7. The linear screen printing machine according to claim 1, wherein the sampling inspection blanking device comprises a receiving plate and a buffer plate which are arranged side by side, the linear transfer device is located below the receiving plate, a blanking manipulator is arranged above the receiving plate and the buffer plate, two groups of plate suckers are arranged on the blanking manipulator, a sampling inspection mechanism is arranged on one side of the receiving plate away from the buffer plate, and a sampling inspection manipulator is arranged on one side of the sampling inspection mechanism.

8. The linear screen printing machine according to claim 7, wherein the receiving plate has a translational abdicating slot and a lifting abdicating slot, the translational abdicating slot is communicated with the lifting abdicating slot, and the lifting abdicating slot has the same shape as the transfer jig of the linear transfer device.

9. The linear screen printing machine as claimed in claim 1, wherein the feeding device comprises an originating feeding assembly and a transferring feeding assembly, and the originating feeding assembly and the transferring feeding assembly are respectively disposed at two adjacent sides of the centering device.

10. The linear screen printing machine according to claim 9, wherein the centering device is provided with a turning device at a side close to the transfer feeding assembly.