CN210501831U - Screen printing production line for multicolor printing - Google Patents
Screen printing production line for multicolor printing Download PDFInfo
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- CN210501831U CN210501831U CN201920674293.XU CN201920674293U CN210501831U CN 210501831 U CN210501831 U CN 210501831U CN 201920674293 U CN201920674293 U CN 201920674293U CN 210501831 U CN210501831 U CN 210501831U
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Abstract
The utility model discloses a silk-screen printing production line for multicolor printing, which comprises a plurality of silk-screen printing devices which are arranged in series and a transition conveying device which is arranged in two adjacent silk-screen printing devices and is used for realizing the transition of sheet materials between the two adjacent silk-screen printing devices; each screen printing device comprises a screen printer and a tunnel furnace, wherein the screen printer comprises a rack, a printing platform, a printing device, a feeding device used for conveying sheet materials to the printing platform and a blanking device used for conveying the sheet materials which are printed on the printing platform to a feeding hole of the tunnel furnace; the transition conveying device is arranged at a discharge port of the tunnel furnace and used for conveying the sheet materials subjected to the drying process of the tunnel furnace to a feeding station of a feeding device of the next screen printing equipment. The utility model discloses a silk-screen printing production line of polychrome printing can realize the chromatography printing to the sheet stock automatically, and whole journey need not artifical the participation, and operating is simple.
Description
Technical Field
The utility model relates to a screen printing equipment, concretely relates to screen printing production line of polychrome printing.
Background
The silk screen printing process is to use silk screen as the plate base and to make silk screen printing plate with picture and text by the photosensitive plate making method. The screen printing is composed of five major elements, namely a screen printing plate, a scraper, ink, a printing table and a printing stock. The basic principle that the meshes of the image-text part and the non-image-text part of the screen printing plate are permeable to ink and impermeable to ink is utilized to print. When printing, ink is poured into one end of the screen printing plate, a scraper plate is used for applying a certain pressure to the ink position on the screen printing plate, meanwhile, the scraper plate moves towards the other end of the screen printing plate at a constant speed, and the ink is extruded onto a printing stock from meshes of the image-text part by the scraper plate in the moving process. The substrate is then dried to obtain the finished product.
The existing screen printing equipment can only perform single-color printing, when the printing stock needs to be subjected to color register printing, the printing stock needs to be dried by drying equipment after the first color printing is finished, then the dried printing stock is taken out, manually conveyed to a printing platform of the screen printing equipment, repositioned, subjected to second-color printing, and then dried by the drying equipment. By analogy, when the types of printing colors of the color register printing are increased, the dried printing stock needs to be frequently carried to the printing station of the screen printing equipment by a worker, so that the operation process is particularly complicated, and the labor intensity is high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a screen printing production line of polychrome printing, the screen printing production line of polychrome printing can realize automatically that whole journey need not artifical the participation to the chromatography printing of stock, and operating is simple.
The utility model provides a technical scheme of above-mentioned technical problem is:
a screen printing production line for multicolor printing comprises a plurality of screen printing devices arranged in series and transition conveying devices arranged in two adjacent screen printing devices and used for realizing transition of sheet materials between the two adjacent screen printing devices, wherein each screen printing device comprises a screen printing machine and a tunnel furnace connected with the screen printing machine and used for drying the printed sheet materials, wherein,
the screen printing machine comprises a frame, a printing platform arranged on the frame, a printing device, a feeding device used for conveying sheet materials onto the printing platform and a discharging device used for conveying the sheet materials printed on the printing platform to a feeding hole of the tunnel furnace; the feeding device comprises a feeding mechanical arm and a feeding driving mechanism, wherein the feeding driving mechanism is used for driving the feeding mechanical arm to convey the sheet materials conveyed by the transition conveying device to the printing platform; the blanking device comprises a blanking mechanical arm and a blanking driving mechanism used for driving the blanking mechanical arm to convey the printed sheet materials on the printing platform to a feeding hole of the tunnel furnace;
the transition conveying device is arranged at a discharge port of the tunnel furnace and used for conveying the sheet materials subjected to the drying process of the tunnel furnace to a feeding station of a feeding device of the next screen printing equipment.
Preferably, the number of the screen printing apparatuses is four, and the four screen printing apparatuses are arranged in a line along the conveying direction of the sheet material.
Preferably, the transitional conveying device comprises a bracket, a plurality of conveying rollers arranged on the bracket and a conveying driving mechanism for driving the conveying rollers to rotate, wherein the plurality of conveying rollers are arranged in parallel, and the axial direction of the conveying rollers is perpendicular to the conveying direction of the sheet materials; the conveying rollers form a transition conveying channel.
Preferably, the transition conveying device further comprises a centering device for centering two sides parallel to the conveying direction in the sheet stock in the transition conveying channel, the centering device comprises a limiting plate arranged at the tail end of the transition conveying channel, a first movable clapper and a second movable clapper arranged at two sides of the limiting plate, and a centering mechanism for driving the first movable clapper and the second movable clapper to synchronously move in opposite directions, wherein the length directions of the first movable clapper and the second movable clapper are parallel to the conveying direction of the transition conveying channel, and avoidance holes are formed in the positions, corresponding to the conveying rollers, of the first movable clapper and the second movable clapper.
Preferably, the number of the centering mechanisms is two, and the two centering mechanisms are respectively a first centering mechanism and a second centering mechanism, wherein the first centering mechanism comprises a first cylinder fixing plate and a first cylinder arranged on the first cylinder fixing plate, and a piston rod of the first cylinder is connected with the first movable clapper; the second centering mechanism comprises a second air cylinder fixing plate and a second air cylinder arranged on the second air cylinder fixing plate, wherein a piston rod of the second air cylinder is connected with the second movable clapper.
Preferably, the centering device further comprises a synchronous driving mechanism for adjusting the distance between the first movable clapper and the second movable clapper, the synchronous driving mechanism comprises a positive and negative tooth lead screw arranged on the support, a first lead screw nut and a second lead screw nut arranged at two ends of the positive and negative tooth lead screw, and a rotary driving mechanism for driving the positive and negative tooth lead screw to rotate, wherein the length direction of the positive and negative tooth lead screw is perpendicular to the first movable clapper and the second movable clapper, and external threads with opposite spiral directions are arranged on two sides of the positive and negative tooth lead screw; internal threads matched with the external threads are arranged on the first lead screw nut and the second lead screw nut, and the spiral directions of the internal threads on the first lead screw nut and the second lead screw nut are the same; the first lead screw nut is installed on the first cylinder fixing plate, and the second lead screw nut is installed on the second cylinder fixing plate.
Preferably, the rotary driving mechanism comprises a hand wheel positioned on the outer side of the support, and the hand wheel is connected with one end of the screw rod with the positive and negative teeth.
Preferably, the synchronous driving mechanism further comprises a guide mechanism, the guide mechanism comprises a guide shaft arranged on the support and guide holes arranged on the first cylinder fixing plate and the second cylinder fixing plate and matched with the guide shaft, and the length direction of the guide shaft is parallel to that of the positive and negative tooth lead screws.
Preferably, the feeding manipulator comprises a feeding support, a feeding sucker arranged on the feeding support and a feeding vertical driving mechanism for driving the feeding support to do vertical motion; the feeding driving mechanism comprises a feeding guide rail, a feeding mounting seat arranged on the feeding guide rail and a feeding transverse driving mechanism used for driving the feeding mounting seat to do transverse motion, wherein the length direction of the feeding guide rail is parallel to the conveying direction of the sheet stock, one end of the feeding guide rail horizontally extends to the upper part of the conveying roller, and the other end of the feeding guide rail horizontally extends to the upper part of the printing platform; the feeding vertical driving mechanism is installed on the feeding installation seat.
Preferably, the blanking manipulator comprises a blanking support, a blanking sucker arranged on the blanking support and a blanking vertical driving mechanism used for driving the blanking support to do vertical motion; the blanking driving mechanism comprises a blanking guide rail arranged on the rack, a blanking mounting seat arranged on the blanking guide rail and a blanking transverse driving mechanism used for driving the blanking mounting seat to do transverse motion, wherein the length direction of the blanking guide rail is parallel to the conveying direction of sheet materials, one end of the blanking guide rail horizontally extends to the upper part of the printing platform, and the other end of the blanking guide rail horizontally extends to the feed inlet of the tunnel furnace; the vertical feeding driving mechanism is arranged on the feeding mounting seat.
The utility model discloses a screen printing production line's of polychrome printing theory of operation is:
the during operation is located the utility model discloses a screen printing machine's of screen printing production line head end material loading actuating mechanism of polychrome printing drives the motion of material loading manipulator to carry the sheet stock to this screen printing machine's printing platform department, printing device work accomplishes first color printing on this sheet stock. And then, the blanking driving mechanism drives the blanking manipulator to move, so that the sheet materials which are printed in the first color on the printing platform are conveyed to a feed inlet of the tunnel furnace, the conveying module in the tunnel furnace drives the sheet materials to pass through the tunnel furnace, and a drying device in the tunnel furnace dries the sheet materials in the process of passing through the tunnel furnace. After the sheet stock comes out of the tunnel furnace, the transition conveying device conveys the sheet stock to a feeding station of a screen printing machine in the next screen printing equipment, and the sheet stock is conveyed to a printing platform of the screen printing machine by the feeding device in the next screen printing machine to be printed in the second color. In a similar way, the transfer of the sheet stock between the two screen printing devices is realized through the transition conveying device arranged between the two adjacent screen printing devices, so that the multi-color-set printing on the sheet stock can be realized, the whole process does not need manual participation, and the operation process is simple.
Compared with the prior art, the utility model following beneficial effect has:
1. the utility model discloses a silk-screen printing production line of polychrome printing can realize the chromatography printing to the multiple colour of sheet stock automatically, need not artifical the participation at the printing in-process, has greatly simplified operation flow.
2. The utility model discloses a screen printing production line of polychrome printing can realize the automation, the unmanned of chromatography printing processing, has the development prospect well.
Drawings
Fig. 1 is a schematic perspective view of a screen printing line for multicolor printing according to an embodiment of the present invention.
Fig. 2 is a schematic perspective view of the screen printing apparatus.
Fig. 3 is a partially enlarged view of a portion a in fig. 2.
Fig. 4 is a partially enlarged view of fig. 2 at B.
Fig. 5 is a schematic view of the cleaning mechanism.
Fig. 6 is a schematic perspective view (partial) of the transition conveying device.
Fig. 7 is a partial enlarged view at C in fig. 6.
Fig. 8 is a schematic perspective view of the centering device.
Detailed Description
The present invention will be described in further detail with reference to the following examples and drawings, but the present invention is not limited thereto.
Referring to fig. 1-8, the screen printing production line for multicolor printing of the present invention comprises a plurality of screen printing devices arranged in series and a transition conveyor C arranged in two adjacent screen printing devices for realizing transition of sheet materials between the two adjacent screen printing devices, wherein each screen printing device comprises a screen printer a and a tunnel oven B connected with the screen printer a for drying the printed sheet materials, wherein,
the screen printing machine A comprises a frame, a printing platform 3 arranged on the frame, a printing device 2, a feeding device 1 used for conveying sheet materials onto the printing platform 3, and a discharging device 4 used for conveying the sheet materials printed on the printing platform 3 to a feeding hole of a tunnel furnace B; the feeding device 1 comprises a feeding mechanical arm and a feeding driving mechanism for driving the feeding mechanical arm to convey the sheet materials conveyed by the transition conveying device C to the printing platform 3; the blanking device 4 comprises a blanking mechanical arm and a blanking driving mechanism used for driving the blanking mechanical arm to convey the printed sheet materials on the printing platform 3 to a feeding hole of the tunnel furnace B;
the transition conveying device C is arranged at the discharge port of the tunnel furnace B and is used for conveying the sheet materials after the drying process of the tunnel furnace B is completed to a feeding station of a feeding device 1 of the next screen printing equipment.
Referring to fig. 1 to 8, the number of the screen printing apparatuses is four, and the four screen printing apparatuses are arranged in a line along the conveying direction of the sheet. Therefore, the four colors of chromatography printing processing can be simultaneously carried out on the sheet materials.
Referring to fig. 6 to 8, the transient conveying device C includes a bracket 5, a plurality of conveying rollers 6 disposed on the bracket 5, and a conveying driving mechanism for driving the conveying rollers 6 to rotate, wherein the plurality of conveying rollers 6 are disposed in parallel, and an axial direction of the conveying rollers 6 is perpendicular to a conveying direction of the sheet material, thereby forming a transient conveying channel.
The conveying driving mechanism in the embodiment can be composed of a driving motor and a synchronous belt transmission mechanism, and the driving motor drives a synchronous belt to rotate, so that a plurality of groups of conveying roller synchronous rotation are driven, and transition conveying of sheet materials is realized.
Referring to fig. 6 to 8, the transition conveying device C further includes a centering device for centering two sides parallel to the conveying direction in the sheet material in the transition conveying channel, and the centering device includes a limiting plate 17 disposed at the end of the transition conveying channel, a first movable clapper 7 and a second movable clapper 8 disposed at two sides of the limiting plate 17, and a centering mechanism for driving the first movable clapper 7 and the second movable clapper 8 to synchronously move in opposite directions, wherein the length directions of the first movable clapper 7 and the second movable clapper 8 are parallel to the conveying direction of the transition conveying channel, and the first movable clapper 7 and the second movable clapper 8 are provided with avoiding holes at positions corresponding to the conveying rollers 6.
In the conventional screen printing apparatus, after drying, the sheet stock which has finished the first color printing needs to be manually transported to the printing platform 3 of the screen printing apparatus again for the next color printing, so that the sheet stock and the next screen printing plate need to be overlapped with each other, which has extremely high precision requirement. And the mode of manual handling produces the error easily to lead to influencing the effect of chromatography printing, consequently, through adopting centering device, can solve this problem well. When the device works, the conveying driving mechanism drives the conveying roller 6 to rotate, so that the sheet materials are conveyed to a feeding station of the feeding device 1, and the parts, located in the limiting plate 17, the first movable clapper 7 and the second movable clapper 8, in the transition conveying channel form the feeding station. When the front end of the sheet material is contacted with the limiting plate 17, the centering driving mechanism drives the first movable clapper 7 and the second movable clapper 8 to synchronously move in opposite directions, so that the sheet material is centered. And then the feeding driving mechanism drives the feeding mechanical arm to move, so that the sheet stock is conveyed to the printing platform 3 of the screen printing machine A, and the transition conveying of the sheet stock is completed.
Referring to fig. 6-8, there are two centering mechanisms, namely a first centering mechanism and a second centering mechanism, wherein the first centering mechanism includes a first cylinder fixing plate 9 and a first cylinder 11 disposed on the first cylinder fixing plate 9, and a piston rod of the first cylinder 11 is connected to the first movable flap plate 7; the second centering mechanism comprises a second cylinder fixing plate 10 and a second cylinder 12 arranged on the second cylinder fixing plate 10, wherein a piston rod of the second cylinder 12 is connected with the second movable clapper 8. The first movable clapper 7 and the second movable clapper 8 are driven by the first cylinder 11 and the second cylinder 12 to synchronously move in opposite directions, so that the sheet stock in the feeding station is centered.
Referring to fig. 6 to 8, the centering device further includes a synchronous driving mechanism for adjusting a distance between the first movable clapper 7 and the second movable clapper 8, the synchronous driving mechanism includes a positive-negative-tooth lead screw 14 disposed on the bracket 5, a first lead screw nut and a second lead screw nut disposed at two ends of the positive-negative-tooth lead screw 14, and a rotary driving mechanism for driving the positive-negative-tooth lead screw 14 to rotate, wherein the length direction of the positive-negative-tooth lead screw 14 is perpendicular to the first movable clapper 7 and the second movable clapper 8, and external threads with opposite spiral directions are disposed at two sides of the positive-negative-tooth lead screw 14; internal threads matched with the external threads are arranged on the first lead screw nut and the second lead screw nut, and the spiral directions of the internal threads on the first lead screw nut and the second lead screw nut are the same; the first lead screw nut is mounted on the first cylinder fixing plate 9, and the second lead screw nut is mounted on the second cylinder fixing plate 10. In this way, the positive and negative threaded screw 14 is driven to rotate by the rotary driving mechanism, so that the first lead screw nut and the second lead screw nut are driven to move in opposite directions or in reverse directions, and the distance between the first movable clapper 7 and the second movable clapper 8 is further adjusted, so that the first movable clapper 7 and the second movable clapper 8 can be used for centering sheet materials with different specifications and sizes. In addition, the synchronous driving mechanism can also be arranged to enable the centering mechanism to drive the first movable clapper 7 and the second movable clapper 8 to move oppositely by adjusting the initial distance between the first movable clapper 7 and the second movable clapper 8, and after the first movable clapper 7 and the second movable clapper 8 move to the extreme positions, the first movable clapper 7 and the second movable clapper 8 just center the sheet. If the first movable clapper 7 and the second movable clapper 8 move towards each other and reach the extreme position, the distance between the first movable clapper 7 and the second movable clapper 8 is smaller than the width of the sheet, which may damage the sheet. Therefore, by arranging the synchronous driving mechanism, the sheet material can be protected, the operation is more convenient, namely, the movement strokes of the piston rods of the first cylinder 11 and the second cylinder 12 do not need to be accurately controlled, and only the first movable clapper 7 and the second movable clapper 8 are ensured to move oppositely to reach the extreme position and then the distance between the first movable clapper 7 and the second movable clapper 8 is equal to the width of the sheet material.
Referring to fig. 6-8, the rotary driving mechanism includes a hand wheel 13 located outside the bracket 5, and the hand wheel 13 is connected to one end of the front and back threaded screw 14. The front and back tooth lead screw 14 can be driven to rotate by rotating the hand wheel 13, so that the distance between the first movable clapper 7 and the second movable clapper 8 is adjusted. Besides manual adjustment, the rotary driving mechanism can also be electrically adjusted, for example, driven by a servo motor.
Referring to fig. 6 to 8, the synchronous driving mechanism further includes a guide mechanism 15, and the guide mechanism 15 includes a guide shaft disposed on the bracket 5 and guide holes disposed on the first cylinder fixing plate 9 and the second cylinder fixing plate 10 and matched with the guide shaft, wherein a length direction of the guide shaft is parallel to a length direction of the front and back tooth lead screw 14. The guide mechanism 15 is arranged for guiding the opposite movement and the reverse movement of the first movable clapper 7 and the second movable clapper 8, so that the positioning precision of the first movable clapper 7 and the second movable clapper 8 is improved.
Referring to fig. 6-8, the two sets of guide mechanisms 15 are provided, and the two sets of guide mechanisms 15 are respectively disposed on two sides of the positive and negative teeth screw 14.
Referring to fig. 6-8, the first and second movable clapboards 7 and 8 are provided with guide plates 16 inclined outward at ends far from the limit plate 17. The sheet is guided to smoothly enter the transition conveying passage by the guide plate 16.
Referring to fig. 1-8, the feeding manipulator comprises a feeding support 1-1, a feeding sucker 1-2 arranged on the feeding support 1-1, and a feeding vertical driving mechanism 1-3 for driving the feeding support 1-1 to make vertical movement; the feeding device comprises a feeding support 1-1, two groups of feeding suckers 1-2 are distributed on two sides of the feeding support 1-1, each feeding sucker 1-2 is connected with the feeding support 1-1 through a first adjusting plate 1-11, and oblong first adjusting holes 1-12 are formed in the first adjusting plates 1-11. The position of each feeding sucker 1-2 can be adjusted through the arrangement of the first adjusting plate 1-11, and each feeding sucker 1-2 is favorably arranged at the optimal position so as to better adsorb the sheet materials.
Referring to fig. 1-8, the feeding driving mechanism includes a feeding guide rail 1-5 disposed on the frame, a feeding mounting seat 1-4 disposed on the feeding guide rail 1-5, and a feeding transverse driving mechanism for driving the feeding mounting seat 1-4 to make transverse movement, wherein the length direction of the feeding guide rail 1-5 is parallel to the conveying direction of the sheet material, one end of the feeding guide rail 1-5 extends above the conveying roller 6, and the other end extends to the printing platform 3; the feeding vertical driving mechanism 1-3 is installed on the feeding installation seat 1-4; the feeding vertical driving mechanism 1-3 and the feeding transverse driving mechanism can be driven by an air cylinder, or a motor and screw rod transmission mechanism or a synchronous belt transmission mechanism, and the three modes can be implemented by referring to the existing device.
The feeding vertical driving mechanism 1-3 in the embodiment is composed of an air cylinder; the cylinder is installed on the feeding installation seat 1-4, and a piston rod of the cylinder is connected with the feeding support 1-1. The cylinder drives the feeding support 1-1 to move vertically, so as to drive the feeding sucker 1-2 to move vertically, further drive the sheet material to move vertically, and the sheet material can be conveyed to the printing platform 3 from the feeding station by combining with the feeding transverse driving mechanism.
Referring to fig. 1-8, the blanking manipulator comprises a blanking support 4-1, a blanking suction cup 4-2 arranged on the blanking support 4-1, and a blanking vertical driving mechanism 4-3 for driving the blanking support 4-1 to make vertical movement; the blanking support 4-1 is I-shaped, the blanking suckers 4-2 are divided into two groups, and each group comprises two suckers; the two groups of blanking suckers 4-2 are distributed on two sides of the blanking support 4-1, each blanking sucker 4-2 is connected with the blanking support 4-1 through a second adjusting plate 4-6, and each second adjusting plate 4-6 is provided with an oblong second adjusting hole 4-7. The position of each blanking sucking disc 4-2 can be adjusted through the arrangement of the second adjusting plate 4-6, and each blanking sucking disc 4-2 is favorably arranged at the optimal position so as to better adsorb the sheet materials.
Referring to fig. 1-8, the blanking driving mechanism includes a blanking guide rail 4-5, a blanking mounting seat 4-4 disposed on the blanking guide rail 4-5, and a blanking transverse driving mechanism for driving the blanking mounting seat 4-4 to make transverse movement, wherein the length direction of the blanking guide rail 4-5 is parallel to the conveying direction of the sheet material, one end of the blanking guide rail 4-5 extends to the upper side of the printing platform 3, and the other end extends to the feed inlet of the tunnel furnace B; the blanking vertical driving mechanism 4-3 is installed on the blanking installation seat 4-4. The feeding vertical driving mechanism 4-3 and the feeding horizontal driving mechanism can be driven by an air cylinder, or a motor and screw rod transmission mechanism or a synchronous belt transmission mechanism, and the three modes can be implemented by referring to the existing device.
The blanking vertical driving mechanism 4-3 in the embodiment is composed of an air cylinder; the air cylinder is installed on the blanking installation seat 4-4, and a piston rod of the air cylinder is connected with the blanking support 4-1. The cylinder drives the blanking support 4-1 to move vertically, so as to drive the blanking sucker 4-2 to move vertically, so as to drive the sheet stock to move vertically, and the sheet stock can be conveyed from the printing platform 3 to the feed inlet of the tunnel furnace B by combining the blanking transverse driving mechanism.
Referring to fig. 1-8, the feeding device 1 further comprises a cleaning mechanism, the cleaning mechanism 3b comprises a cleaning assembly and a cleaning driving mechanism for driving the cleaning assembly to move vertically, the cleaning assembly comprises a cleaning bracket, a cleaning roller 1-13 and a cleaning roller 1-7, the cleaning roller 1-13 and the cleaning roller 1-7 are both rotatably arranged on the cleaning bracket, and the cleaning roller 1-13 is arranged below the cleaning roller 1-7 and is tangent to and in contact with the cleaning roller 1-7.
Referring to fig. 1 to 8, the cleaning rollers 1 to 7 are formed of a dust-binding roller on which a plurality of adhesive films for adhering dust and other foreign substances are provided. When more dust is stuck on the cleaning rollers 1-7, the sticking film on the surface is directly torn off, so that the cleaning rollers 1-13 can be kept clean, and the cleaning quality of the sheet materials can be ensured.
Referring to fig. 1-8, the cleaning bracket of the cleaning assembly comprises a main body plate 1-10 and connecting plates 1-6 arranged on two sides of the main body plate 1-10, the cleaning roller 1-7 and the cleaning roller 1-13 are rotatably connected to the connecting plates 1-6 at two rotating ends, a fixing plate 1-8 extending backwards is arranged on the main body plate 1-10, and the fixing plate 1-8 is connected with a power output shaft of the cleaning driving mechanism. The cleaning support is convenient for the arrangement of the cleaning driving mechanism.
Referring to fig. 1-8, the cleaning driving mechanism is composed of a cleaning driving cylinder 1-9, the cylinder body of the cleaning driving cylinder 1-9 is fixedly connected with a feeding mounting seat 1-4 through a connecting plate, and a telescopic shaft of the cleaning driving cylinder 1-9 is connected with a fixing plate 1-8.
The working principle of the feeding device 1 in this embodiment is as follows:
when the device works, the feeding vertical driving mechanism 1-3 drives the feeding sucker 1-2 to move downwards and suck up the sheet to be printed on the feeding station under the action of a vacuum device, and then the feeding vertical driving mechanism 1-3 drives the feeding sucker 1-2 and the sucked sheet to move upwards and leave the transition conveying device C; then, the feeding transverse driving mechanism drives the feeding mechanical arm and the cleaning mechanism to move forwards until the sucked sheet materials move to the upper part of the printing platform 3; next, the feeding vertical driving mechanism 1-3 drives the feeding sucker 1-2 to move downwards, and the sheet stock is loosened under the action of a vacuum device, so that the sheet stock is placed on the printing platform 3; at the moment, the cleaning driving mechanism drives the cleaning assembly to move downwards, so that the decontamination roller 13 positioned at the lower part is pressed on the sheet material, then the feeding mechanical arm and the cleaning mechanism move backwards and backwards under the driving of the feeding transverse driving mechanism, at the moment, the decontamination rollers 1-13 slide from the front side of the sheet material to the rear side all the way while the cleaning mechanism moves backwards and backwards, so that the upper surface of the sheet material is decontaminated and cleaned, and meanwhile, when the decontamination rollers 1-13 roll and clean the upper surface of the sheet material, the cleaning rollers 1-7 which are tangent to and in contact with the decontamination rollers 1-13 roll, and impurities and dust on the surfaces of the decontamination rollers 1-13 are cleaned, so that the cleanliness of the decontamination rollers 1-13 is ensured, and the cleaning effect of the decontamination rollers 1-13 on the sheet material is improved; when the cleaning rollers 11-13 finish cleaning the sheet located on the printing platform 3 and return to the feeding station, the cleaning driving mechanism drives the whole cleaning assembly to move upwards to avoid collision with the sheet on the feeding station and wait for the return cleaning of the next sheet.
In addition, the printing device C of the screen printing machine a in the present embodiment can be referred to as a "screen printing machine" of utility model patent with an authorization publication No. CN207388566U or other related prior art documents. The specific structure of the tunnel furnace B in this embodiment can be implemented by referring to the tunnel furnace in the "printing production system" of the invention patent application with application publication No. CN 109228645A. The method can also be implemented by referring to a mark printing system of sheet metal parts disclosed in the utility model with the authorization notice number of CN 207449364U.
The above is the preferred embodiment of the present invention, but the embodiment of the present invention is not limited by the above, and any other changes, modifications, substitutions, blocks, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.
Claims (10)
1. A screen printing production line for multicolor printing is characterized by comprising a plurality of screen printing devices arranged in series and a transition conveying device arranged in two adjacent screen printing devices and used for realizing transition of sheet materials between the two adjacent screen printing devices, wherein each screen printing device comprises a screen printing machine and a tunnel furnace connected with the screen printing machine and used for drying the printed sheet materials, wherein,
the screen printing machine comprises a frame, a printing platform arranged on the frame, a printing device, a feeding device used for conveying sheet materials onto the printing platform and a discharging device used for conveying the sheet materials printed on the printing platform to a feeding hole of the tunnel furnace; the feeding device comprises a feeding mechanical arm and a feeding driving mechanism, wherein the feeding driving mechanism is used for driving the feeding mechanical arm to convey the sheet materials conveyed by the transition conveying device to the printing platform; the blanking device comprises a blanking mechanical arm and a blanking driving mechanism used for driving the blanking mechanical arm to convey the printed sheet materials on the printing platform to a feeding hole of the tunnel furnace;
the transition conveying device is arranged at a discharge port of the tunnel furnace and used for conveying the sheet materials subjected to the drying process of the tunnel furnace to a feeding station of a feeding device of the next screen printing equipment.
2. The screen printing line for multicolor printing according to claim 1, wherein the number of the screen printing apparatuses is four, and the four screen printing apparatuses are arranged in a line along a conveying direction of the sheet stock.
3. The screen printing production line for multicolor printing according to claim 1, wherein said transition conveying device comprises a support, a plurality of conveying rollers provided on the support, and a conveying drive mechanism for driving the conveying rollers to rotate, wherein the plurality of conveying rollers are provided in parallel, and the axial direction of the conveying rollers is perpendicular to the conveying direction of the sheet; the conveying rollers form a transition conveying channel.
4. The screen printing production line for multicolor printing according to claim 3, wherein the transition conveying device further comprises a centering device for centering two sides parallel to the conveying direction in the sheet stock in the transition conveying channel, the centering device comprises a limiting plate arranged at the tail end of the transition conveying channel, a first movable clapper and a second movable clapper arranged at two sides of the limiting plate, and a centering mechanism for driving the first movable clapper and the second movable clapper to synchronously move in opposite directions, wherein the length directions of the first movable clapper and the second movable clapper are parallel to the conveying direction of the transition conveying channel, and the first movable clapper and the second movable clapper are provided with avoidance holes at positions corresponding to the conveying rollers.
5. The screen printing production line for multicolor printing according to claim 4, wherein the number of said centering mechanisms is two, respectively a first centering mechanism and a second centering mechanism, wherein said first centering mechanism comprises a first cylinder fixing plate and a first cylinder disposed on said first cylinder fixing plate, wherein a piston rod of said first cylinder is connected with said first movable flap plate; the second centering mechanism comprises a second air cylinder fixing plate and a second air cylinder arranged on the second air cylinder fixing plate, wherein a piston rod of the second air cylinder is connected with the second movable clapper.
6. The screen printing production line for multicolor printing according to claim 5, wherein the centering device further comprises a synchronous driving mechanism for adjusting the distance between the first movable clapper and the second movable clapper, the synchronous driving mechanism comprises a positive and negative tooth lead screw arranged on the bracket, a first lead screw nut and a second lead screw nut arranged at two ends of the positive and negative tooth lead screw, and a rotary driving mechanism for driving the positive and negative tooth lead screw to rotate, wherein the positive and negative tooth lead screw has a length direction perpendicular to the first movable clapper and the second movable clapper, and two sides of the positive and negative tooth lead screw are provided with external threads with opposite spiral directions; internal threads matched with the external threads are arranged on the first lead screw nut and the second lead screw nut, and the spiral directions of the internal threads on the first lead screw nut and the second lead screw nut are the same; the first lead screw nut is installed on the first cylinder fixing plate, and the second lead screw nut is installed on the second cylinder fixing plate.
7. The screen printing line for multicolor printing according to claim 6, wherein said rotary drive mechanism comprises a hand wheel located outside said support, said hand wheel being connected to one of said ends of said positive and negative lead screws.
8. The screen printing production line for multicolor printing according to claim 6, wherein said synchronous driving mechanism further comprises a guide mechanism, said guide mechanism comprises a guide shaft disposed on said support and guide holes disposed on said first cylinder fixing plate and said second cylinder fixing plate and engaged with said guide shaft, wherein the length direction of said guide shaft is parallel to the length direction of said positive and negative lead screws.
9. The screen printing production line for multicolor printing according to claim 3, wherein the feeding manipulator comprises a feeding support, a feeding suction cup arranged on the feeding support, and a feeding vertical driving mechanism for driving the feeding support to make vertical movement; the feeding driving mechanism comprises a feeding guide rail, a feeding mounting seat arranged on the feeding guide rail and a feeding transverse driving mechanism used for driving the feeding mounting seat to do transverse motion, wherein the length direction of the feeding guide rail is parallel to the conveying direction of the sheet stock, one end of the feeding guide rail horizontally extends to the upper part of the conveying roller, and the other end of the feeding guide rail horizontally extends to the upper part of the printing platform; the feeding vertical driving mechanism is installed on the feeding installation seat.
10. The screen printing production line for multicolor printing according to claim 1, wherein the blanking manipulator comprises a blanking support, a blanking suction cup arranged on the blanking support, and a blanking vertical driving mechanism for driving the blanking support to make vertical movement; the blanking driving mechanism comprises a blanking guide rail arranged on the rack, a blanking mounting seat arranged on the blanking guide rail and a blanking transverse driving mechanism used for driving the blanking mounting seat to do transverse motion, wherein the length direction of the blanking guide rail is parallel to the conveying direction of sheet materials, one end of the blanking guide rail horizontally extends to the upper part of the printing platform, and the other end of the blanking guide rail horizontally extends to the feed inlet of the tunnel furnace; the vertical feeding driving mechanism is arranged on the feeding mounting seat.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920674293.XU CN210501831U (en) | 2019-05-10 | 2019-05-10 | Screen printing production line for multicolor printing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920674293.XU CN210501831U (en) | 2019-05-10 | 2019-05-10 | Screen printing production line for multicolor printing |
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| CN210501831U true CN210501831U (en) | 2020-05-12 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111660660A (en) * | 2020-06-22 | 2020-09-15 | 深圳市港艺丝印设备有限公司 | Multicolor screen printing equipment |
| CN111959104A (en) * | 2020-08-25 | 2020-11-20 | 东莞市天迪印刷有限公司 | Production line for printing adhesive tape with screen |
| CN113119587A (en) * | 2021-04-17 | 2021-07-16 | 徐州丹彤智能科技有限公司 | Composite processing machine and composite processing method for producing composite plastic woven bags |
| CN114179497A (en) * | 2021-11-12 | 2022-03-15 | 深圳市博林鑫实业有限公司 | Screen printing machine |
| CN114683680A (en) * | 2022-04-24 | 2022-07-01 | 华玻视讯(珠海)科技有限公司 | Shuttle type silk screen printing device of glass oven |
| CN114801437A (en) * | 2022-06-09 | 2022-07-29 | 华玻视讯(珠海)科技有限公司 | Rotary glass silk-screen baking production line |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111660660A (en) * | 2020-06-22 | 2020-09-15 | 深圳市港艺丝印设备有限公司 | Multicolor screen printing equipment |
| CN111959104A (en) * | 2020-08-25 | 2020-11-20 | 东莞市天迪印刷有限公司 | Production line for printing adhesive tape with screen |
| CN113119587A (en) * | 2021-04-17 | 2021-07-16 | 徐州丹彤智能科技有限公司 | Composite processing machine and composite processing method for producing composite plastic woven bags |
| CN114179497A (en) * | 2021-11-12 | 2022-03-15 | 深圳市博林鑫实业有限公司 | Screen printing machine |
| CN114683680A (en) * | 2022-04-24 | 2022-07-01 | 华玻视讯(珠海)科技有限公司 | Shuttle type silk screen printing device of glass oven |
| CN114801437A (en) * | 2022-06-09 | 2022-07-29 | 华玻视讯(珠海)科技有限公司 | Rotary glass silk-screen baking production line |
| CN115384179A (en) * | 2022-07-01 | 2022-11-25 | 华玻视讯(珠海)科技有限公司 | Shuttle type glass silk screen printing baking production line |
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