CN113665228B - Bottom printing type screen printing machine for screen printing on outer surface of large box body - Google Patents
Bottom printing type screen printing machine for screen printing on outer surface of large box body Download PDFInfo
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- CN113665228B CN113665228B CN202110908082.XA CN202110908082A CN113665228B CN 113665228 B CN113665228 B CN 113665228B CN 202110908082 A CN202110908082 A CN 202110908082A CN 113665228 B CN113665228 B CN 113665228B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/08—Machines
- B41F15/0881—Machines for printing on polyhedral articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/14—Details
- B41F15/16—Printing tables
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/14—Details
- B41F15/44—Squeegees or doctors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
- B41P2215/00—Screen printing machines
- B41P2215/10—Screen printing machines characterised by their constructional features
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
- B41P2215/00—Screen printing machines
- B41P2215/50—Screen printing machines for particular purposes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Screen Printers (AREA)
Abstract
The invention relates to the technical field of packaging and printing equipment, in particular to a bottom printing type screen printer for screen printing on the outer surface of a large box. According to the invention, the bottom conveying mechanism is arranged on the top of the base, the bottom silk-screen printing mechanism is arranged in the middle position of the top of the base, and the silk-screen template is arranged in the position below the middle of the two groups of conveying belts on the left side and the right side, so that when the device works, a large product is driven to move to the top of the silk-screen template through the rotation of the conveying belts, and then the bottom silk-screen printing mechanism is used for carrying out silk-screen printing on the bottom of the product, so that the device can carry out the silk-screen printing operation from bottom to top, the phenomenon that the equipment volume is too large due to the silk-screen printing from top to bottom is effectively avoided, the manufacturing cost of the device is convenient to reduce, and the device is beneficial to more convenient and fast to the silk-screen printing of the large product.
Description
Technical Field
The invention relates to the technical field of packaging and printing equipment, in particular to a bottom printing type screen printing machine for screen printing on the outer surface of a large box body.
Background
The screen printer is also called a screen printer, is a printing machine for printing characters and images, is often used for printing on the surface of a product, or is used for printing patterns and characters on the outer side of a packaging box, and is a mechanical device commonly used in the packaging and printing industries nowadays;
in the prior art, a silk screen template is usually placed above a product to be printed, and patterns and characters on a silk screen sheet are printed on the top of the product through reciprocating movement of a scraper, in the actual use process, as the silk screen template performs printing operation on the outer side of the product from top to bottom, in the flow line type continuous silk screen printing operation, the product needs to pass through the bottom of the silk screen template, in the actual production process, if the appearance of the product is too large and too high, the silk screen template needs to be set and adjusted to the corresponding height, and is influenced by production, so that the overall height of the silk screen machine is too high, which is not beneficial to the production stability of the silk screen machine, and the adjustment range of the silk screen template inside the silk screen machine is too large, so that the whole equipment is too bulky, and the larger equipment is very easy to increase the manufacturing cost of the equipment, and the convenience in the silk screen printing process is influenced. Therefore, a bottom printing type screen printing machine based on the screen printing on the outer surface of the large box body is provided for solving the problems.
Disclosure of Invention
The invention aims to provide a bottom printing type screen printing machine for screen printing on the outer surface of a large box body, and aims to solve the problems that products need to pass through the bottom of the screen printing machine due to the adoption of a top-down printing mode in the screen printing machine in the prior art, the size of equipment is too large, and the production convenience is influenced.
In order to achieve the purpose, the invention provides the following technical scheme: a bottom printing type screen printing machine for screen printing on the outer surface of a large box comprises a base, wherein bottom conveying mechanisms are installed on the left side and the right side of the top of the base, and a bottom screen printing mechanism is fixedly installed at the middle position of the top of the base;
the bottom silk screen printing mechanism comprises a silk screen printing frame, the silk screen printing frame is installed at the top of the base through an electric push rod II, a silk screen printing template is embedded in the top of the silk screen printing frame in a movable mode, the left side and the right side of the inside of the silk screen printing frame are symmetrically inserted into a screw rod II, each group of screw rods II is provided with a moving block in a movable mode, threads assembled on the inner wall of the moving block are matched with threads assembled on the outer wall of each screw rod in a rotating mode, the moving blocks are two groups of movable blocks, the top of each moving block is connected with a scraper main body in a rotating mode through a rotating shaft, the scraper main body is circular-arc-shaped in appearance, dye scraper pipes are fixedly installed at the front end and the rear end of each scraper main body, a dye supply pump is fixedly installed on the base, the output end of the dye supply pump is communicated with the dye scraper pipes through a pipeline, and the outer walls of the dye scraper pipes are provided with through grooves.
Preferably, bottom conveying mechanism is including the slide rail, and the slide rail is provided with two sets ofly altogether, and is two sets of slide rail symmetry form fixed mounting is both sides around the top of base, and is two sets of be connected with the carriage through the slider between the top of slide rail, and the carriage is provided with two sets ofly altogether, and is two sets of the carriage sets up respectively the top left and right sides of slide rail, every group both sides all rotate around the inside of carriage and are connected with transport roller, and correspond two sets of transport roller's outside cover is equipped with the conveyer belt, and openly two sets of transport roller's inside is fixed to be inlayed and is had the splined hole, and two sets of the activity runs through between the splined hole and is inserted and be equipped with the integral key shaft, the left side fixed mounting of base has servo motor one, and servo motor one's rotation output shaft passes through the transmission between belt pulley drive mechanism and the integral key shaft and is connected.
Preferably, the inside of conveyer belt is installed the supporting wheel, and the supporting wheel is even to rotate in proper order and connect in the inside of carriage.
Preferably, sliding connection between slider and the slide rail, openly a set of the intermediate position department of two sets of sliders of the inside embedding of slide rail all fixes and inlays and has the thread bush, and two sets of run through between the thread bush and insert and be equipped with screw rod one, the screw thread opposite direction of assembly on the outer wall of both ends about screw rod one, two sets of screw thread that assembles on the inner wall of thread bush meshes the adaptation with the screw thread of assembling on the outer wall of both ends about screw rod one respectively, fixed mounting has servo motor two on the base, and fixed connection between the rotation output shaft of servo motor two and screw rod one.
Preferably, the front and back bilateral symmetry form fixed mounting of base has guiding mechanism, and guiding mechanism is including the guide frame, the surface of guide frame is the slope form, evenly be connected with the roller shell through the fixed axle rotation on the surface of guide frame.
Preferably, it is two sets of the middle position of slide rail is gone up the symmetry form and is installed supplementary lifting mechanism, and supplementary lifting mechanism is including the carriage, the carriage activity cover is established in the middle position outside of slide rail, sliding connection from top to bottom between carriage and the slide rail, there is electric putter one intermediate position bottom of slide rail through connecting plate fixed mounting, and fixed connection between electric putter one's top one end and the carriage.
Preferably, the laminating is provided with spacing on the left and right sides outer wall of carriage, and spacing fixed mounting is on the slide rail, sliding connection between carriage and the spacing.
Preferably, a first bevel gear is fixedly mounted on a rotating shaft of the scraper main body, a second bevel gear is meshed with the bottom of the first bevel gear, the second bevel gear is rotatably connected to the top of the moving block, a worm wheel is fixedly mounted at the bottom of the second bevel gear, a worm is meshed with the outer side of the worm wheel and is transversely connected to the top of the moving block in a rotating mode, reversing gears are connected to the left end and the right end of the worm through one-way ratchets, rack plates are symmetrically and fixedly mounted on inner walls of the front side and the rear side of the screen printing frame and are respectively located on the same straight line with the two sets of reversing gears, and teeth assembled on the reversing gears are matched with teeth assembled on the rack plates.
Preferably, a third servo motor is fixedly mounted on the outer wall of the screen printing frame, a rotary output shaft of the third servo motor is in transmission connection with the second screw rods in one group through a belt pulley transmission mechanism, and the second screw rods in the two groups are in transmission connection through the belt pulley transmission mechanism.
Compared with the prior art, the invention has the beneficial effects that:
1. the bottom conveying mechanism is arranged at the top of the base, the bottom silk-screen printing mechanism is arranged at the middle position of the top of the base, and the silk-screen template is arranged at the position below the middle position of the two groups of conveying belts at the left side and the right side, so that when the device works, a large product is driven to move to the top of the silk-screen template through the rotation of the conveying belts, and then the bottom of the product is subjected to silk-screen printing operation through the bottom silk-screen printing mechanism, so that the device can be subjected to silk-screen printing operation from bottom to top, the phenomenon that the equipment is too large in size due to the silk-screen printing from top to bottom is effectively avoided, the manufacturing cost of the device is convenient to reduce, and the device is favorable for more convenient and rapid silk-screen printing of large products;
2. the inner walls of the left side and the right side of the screen printing frame are respectively and fixedly provided with a rack plate, the front end and the rear end of the worm are respectively connected with a reversing gear through a one-way ratchet wheel, when the movable block moves left and right to drive the scraper main body to move left and right to the end position in a reciprocating manner, the reversing gear drives the worm to rotate through the meshing between the reversing gear and the rack plate, and the scraper main body is always wrapped below the paint sprayed out from the dye scraping pipe through the rotation transformation of the scraper main body by means of the meshing transmission between the worm and the worm gear and the meshing transmission between the bevel gear II and the bevel gear I, so that the scraper main body can be adaptively deflected when moving to the left end position and the right end position inside the screen printing frame, and the paint is prevented from being excessively dripped downwards in the painting process, and the stability of screen printing from bottom to top of the device is effectively guaranteed;
3. through the screw thread looks adaptation of assembly on the screw thread cover inner wall of setting up and the screw rod outer wall of assembly, and set up the screw thread opposite direction of assembly on the both ends outer wall around the screw rod, make the device during operation, through rotatory screw rod one, can be so that two sets of screw thread covers synchronous motion around the front and back, adjust the interval of two sets of carriage around, be favorable to guaranteeing the device adaptation in the bulky product silk screen printing of different width, and simultaneously, only can slide around through setting up between splined hole and the integral key shaft, restrict the rotation between splined hole and the integral key shaft, the effectual servo motor that has ensured is first goes up the stability of power to the conveying roller transmission, be convenient for ensure the uniformity of two sets of conveyer belt rotary transport around the guarantee.
Description of the drawings:
in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 3 is a perspective view of the bottom conveying mechanism of the present invention;
FIG. 4 is an enlarged view of the structure at B in FIG. 3 according to the present invention;
FIG. 5 is a schematic structural perspective exploded view of the bottom screen printing mechanism of the present invention;
FIG. 6 is an enlarged view of the structure of FIG. 5 at C according to the present invention;
FIG. 7 is a schematic top view of the structure of the present invention;
FIG. 8 is a schematic side sectional view of the structure of the present invention;
fig. 9 is an enlarged view of the structure shown at D in fig. 8 according to the present invention.
In the figure: 100. a base; 200. a bottom conveying mechanism; 201. a slide rail; 202. a slider; 203. a conveying frame; 204. a conveying roller; 205. a conveyor belt; 206. a support wheel; 207. a spline hole; 208. a spline shaft; 209. a first servo motor; 210. a threaded sleeve; 211. a first screw rod; 212. a servo motor II; 300. a guide mechanism; 301. a guide frame; 302. a fixed shaft; 303. a roller sleeve; 400. an auxiliary lifting mechanism; 401. a support frame; 402. a connecting plate; 403. an electric push rod I; 404. a limiting strip; 500. a bottom screen printing mechanism; 501. screen printing a frame; 502. a second electric push rod; 503. silk-screen printing of a template; 504. a second screw; 505. a moving block; 506. a scraper stand; 507. a squeegee body; 508. coating a tube with dye; 509. a dye supply pump; 510. a first bevel gear; 511. a second bevel gear; 512. a worm gear; 513. a worm; 514. a reversing gear; 515. a rack plate; 516. and a third servo motor.
The specific implementation mode is as follows:
the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-9, an embodiment of the present invention is shown: a bottom printing type screen printer based on screen printing on the outer surface of a large box comprises a base 100, bottom conveying mechanisms 200 are mounted on the left side and the right side of the top of the base 100, a bottom screen printing mechanism 500 is fixedly mounted on the middle position of the top of the base 100, when the device works, a product is conveyed by the aid of the bottom conveying mechanisms 200, the product to be subjected to screen printing is located above the bottom screen printing mechanism 500, screen printing operation is completed on the product from below by means of matching with starting of the bottom screen printing mechanism 500, excessive screen printing equipment does not need to be arranged due to excessive products, and production cost of the screen printing equipment is effectively reduced;
the bottom silk-screen printing mechanism 500 comprises a silk-screen frame 501, the silk-screen frame 501 is mounted on the top of the silk-screen frame 501 on the top of the base 100 through an electric push rod II 502, a silk-screen template 503 is movably embedded in the top of the silk-screen frame 501, screw rods II 504 are symmetrically inserted in the silk-screen frame 501 in the left and right sides in a penetrating manner, a moving block 505 is movably sleeved on the outer side of each screw rod II 504, threads assembled on the inner wall of the moving block 505 are matched with threads assembled on the outer wall of the screw rods II 504, a scraper frame 506 is fixedly connected between the two moving blocks 505, the top of the scraper frame 506 is rotatably connected with a scraper main body 507 through a rotating shaft, the scraper main body 507 is arc-shaped, dye scraping pipes 508 are fixedly mounted on the front end and the rear end of the scraper main body 507, and a dye supply pump 509 is fixedly mounted on the base 100, the output end of a dye supply pump 509 is communicated with the two groups of dye scraping pipes 508 through a pipeline, a through groove is formed in the outer wall of each dye scraping pipe 508, when the device works, the screw rod II 504 rotates, the screw rod II 504 is meshed with the moving block 505 through threads, so that the moving block 505 can be driven to move back and forth synchronously when the screw rod II 504 rotates forwards and backwards, the dye scraping pipes 508 on the scraper main body 507 are driven to move back and forth, the bottom of the screen printing template 503 is hung and brushed, the dye supply pump 509 supplies dye to the inside of the dye scraping pipes 508 after being electrified and started, and screen printing operation is performed on an upper product from the lower part, so that the volume of screen printing equipment used for packaging and screen printing large and small products is effectively reduced, the production cost is reduced, and the space occupation amount of the equipment is reduced;
further, the bottom conveying mechanism 200 comprises two sets of sliding rails 201, the two sets of sliding rails 201 are arranged, the two sets of sliding rails 201 are symmetrically and fixedly arranged on the front side and the rear side of the top of the base 100, the conveying frames 203 are connected between the tops of the two sets of sliding rails 201 through the sliding blocks 202, the two sets of conveying frames 203 are arranged, the two sets of conveying frames 203 are respectively arranged on the left side and the right side of the top of the sliding rails 201, the front side and the rear side of the inside of each set of conveying frame 203 are rotatably connected with conveying rollers 204, the outer sides of the two corresponding sets of conveying rollers 204 are sleeved with conveying belts 205, spline holes 207 are fixedly embedded in the two sets of conveying rollers 204 on the front side, spline shafts 208 are movably inserted between the two sets of spline holes 207, a first servo motor 209 is fixedly arranged on the left side of the base 100, and a rotating output shaft of the first servo motor 209 is in transmission connection with the spline shafts 208 through a belt pulley transmission mechanism, when the device works, the spline shaft 208 rotates under the driving of the belt pulley transmission mechanism through the rotation of the servo motor I209, the two groups of spline holes 207 drive the two groups of conveying rollers 204 arranged on the front surface to synchronously rotate through the matching between the spline shaft 208 and the spline holes 207, the conveying belts 205 on the left side and the right side are driven to simultaneously rotate and move, large-volume product packages can be conveniently packaged and moved to the top of the device through the movement of the conveying belts 205, the stability and the rapidness of silk-screen printing operation can be favorably ensured, the spline holes 207 and the spline shaft 208 are matched, the spline holes 207 and the spline shaft 208 can only slide left and right, the rotation between the spline holes 207 and the spline shaft 208 is limited, and the stability of transmission and conveying between the spline holes 207 and the spline shaft 208 is effectively ensured;
furthermore, the supporting wheels 206 are installed inside the conveying belt 205, and the supporting wheels 206 are uniformly and sequentially connected inside the conveying frame 203 in a rotating manner, so that when the device works, the supporting wheels 206 are arranged and filled in the conveying belt 205 for supporting, and the supporting of the supporting wheels 206 makes the middle section of the conveying belt 205 supported more stably and firmly, thereby effectively ensuring the stability of the device for product packaging and conveying;
further, the sliding blocks 202 are connected with the sliding rails 201 in a sliding manner, the thread sleeves 210 are fixedly embedded in the middle positions of the two groups of sliding blocks 202 embedded in the group of sliding rails 201 on the front side, a screw rod I211 is inserted between the two groups of thread sleeves 210 in a penetrating manner, the directions of threads assembled on the outer walls of the left end and the right end of the screw rod I211 are opposite, threads assembled on the inner walls of the two groups of thread sleeves 210 are respectively meshed and matched with threads assembled on the outer walls of the left end and the right end of the screw rod I211, a servo motor II 212 is fixedly installed on the base 100, and a rotating output shaft of the servo motor II 212 is fixedly connected with the screw rod I211;
furthermore, the guide mechanisms 300 are symmetrically and fixedly installed on the front side and the rear side of the base 100, the guide mechanisms 300 comprise guide frames 301, the outer surfaces of the guide frames 301 are inclined, the outer surfaces of the guide frames 301 are uniformly and rotatably connected with roller sleeves 303 through fixing shafts 302, when the device works, the two groups of guide mechanisms 300 are respectively installed on the front side and the rear side of the base 100, products to be subjected to silk-screen printing operation can be moved to the upper portion of the device more easily by means of the guide mechanisms 300, convenience in feeding and discharging of the device is improved conveniently, the roller sleeves 303 are rotatably connected to the guide frames 301 through the fixing shafts 302, and the products can move more smoothly by rolling of the roller sleeves 303;
furthermore, the auxiliary lifting mechanisms 400 are symmetrically installed at the middle positions of the two groups of slide rails 201, each auxiliary lifting mechanism 400 comprises a support frame 401, the support frame 401 is movably sleeved outside the middle position of each slide rail 201, the support frames 401 are connected with the slide rails 201 in a vertical sliding manner, an electric push rod 403 is fixedly installed at the bottom of the middle position of each slide rail 201 through a connecting plate 402, one end of the top of each electric push rod 403 is fixedly connected with the support frame 401, when the device works, the support frames 401 arranged at the tops of the electric push rods 403 can be driven to move up and down after being electrified and started through the electric push rods 403, products are supported in an auxiliary manner, the support replacement of the conveying belt 205 and the screen printing template 503 is guaranteed to be changed more stably, and the working stability of the device is effectively improved;
furthermore, the outer walls of the left side and the right side of the supporting frame 401 are provided with limiting strips 404 in a fitting manner, the limiting strips 404 are fixedly mounted on the sliding rail 201, the supporting frame 401 is in sliding connection with the limiting strips 404, and the limiting strips 404 are clamped and limited by the limiting strips 404 arranged on the left side and the right side of the supporting frame 401, so that the supporting frame 401 is more stable when moving up and down, and the supporting frame 401 is effectively prevented from shifting when moving upwards;
furthermore, a bevel gear I510 is fixedly installed on a rotating shaft of the scraper blade main body 507, a bevel gear II 511 is connected to the bottom of the bevel gear I510 in an engaged manner, the bevel gear II 511 is rotatably connected to the top of the moving block 505, a worm wheel 512 is fixedly installed at the bottom of the bevel gear II 511, a worm 513 is connected to the outer side of the worm wheel 512 in an engaged manner, the worm 513 is transversely rotatably connected to the top of the moving block 505, reversing gears 514 are connected to the left and right ends of the worm 513 through one-way ratchets, rack plates 515 are symmetrically and fixedly installed on the inner walls of the front and rear sides of the screen printing frame 501, the two sets of rack plates 515 are respectively positioned on the same straight line with the two sets of reversing gears 514, teeth assembled on the reversing gears 514 are matched with teeth assembled on the rack plates 515, when the device works, the teeth between the reversing gears 514 and the rack plates 515 are engaged, and the two sets of reversing gears 514 are connected with the worm 513 through one-way ratchets, when the moving block 505 moves back and forth to the front and rear end positions in the screen printing frame 501, the reversing gear 514 is meshed with the rack plate 515, the reversing gear 514 rotates to drive the worm 513 to rotate, the bevel gear II 511 is driven by means of the meshing transmission of the worm 513 and the worm wheel 512, so that the scraper main body 507 rotates to change the inclination angle under the meshing transmission of the bevel gear II 511 and the bevel gear I510, the scraper main body 507 can change the inclination angle according to the back and forth movement direction of the scraper main body 507, the dye scraping pipe 508 can be always attached to the bottom of the screen printing template 503 to carry out the hanging and brushing operation, the redundant dye is ensured to fall at the middle position of the scraper main body 507, and the stable screen printing operation of the device is effectively ensured, by means of the one-way transmission of the one-way ratchet wheel, the situation that the reversing gear 514 rotates to drive the worm 513 to reset when the reversing gear 514 is removed from the rack plate 515 is avoided, and meanwhile, by means of the tooth meshing self-locking performance between the worm 513 and the worm wheel 512, the structural stability of the scraper main body 507 after deflection adjustment of the scraper is effectively guaranteed;
furthermore, a third servo motor 516 is fixedly installed on the outer wall of the screen printing frame 501, a rotating output shaft of the third servo motor 516 is in transmission connection with the second screw 504 through a belt pulley transmission mechanism, the two second screw 504 are in transmission connection through a belt pulley transmission mechanism, the third servo motor 516 is arranged to provide driving force support for the second screw 504, and the two second screw 504 rotate synchronously by virtue of the transmission connection of the belt pulley transmission mechanism, so that the stability of the front and back movement of the scraper main body 507 is ensured;
the working principle is as follows: when the device works, a worker connects the device with an external power supply through a wire, so that the external power supply provides electric support for the device, and then the worker controls the device to be powered on and started;
during work, a worker pushes a large-sized product to be in contact with the conveying belt 205 through the inclined guide of the guide frame 301 and by means of the rolling of the roller sleeve 303, then the worker controls the first servo motor 209 to be powered on and started, so that the first servo motor 209 drives the spline shaft 208 to rotate through the belt pulley transmission mechanism, and by means of the matching of the spline hole 207 and the spline shaft 208, the two groups of conveying rollers 204 on the front face rotate to drive the conveying belt 205 to rotate, and the product is conveyed to the top of the screen printing template 503;
when the automatic dye scraping and printing device works, the electric push rod II 502 is electrified and started to drive the screen printing frame 501 to move upwards, so that the screen printing template 503 moves upwards and is supported at the bottom of a product, then the dye supply pump 509 is electrified and started to supply dye to the interior of the dye scraping and printing tube 508, the dye is extruded from a through groove formed in the dye scraping and printing tube 508, meanwhile, the servo motor III 516 is electrified and started to drive the screw rod II 504 to rotate in a reciprocating mode, the moving block 505 moves back and forth in a reciprocating mode through threaded engagement between the screw rod II 504 and the moving block 505, the scraper main body 507 and the dye scraping and printing tube 508 move back and forth in a reciprocating mode, when the moving block 505 moves to the end position in the screen printing frame 501, the reversing gear 514 is meshed with the rack plate 515 and drives the reversing gear 514 to rotate in the moving process, so that the worm rotates, and the scraper main body 507 rotates by means of meshed transmission between the worm 513 and the worm gear 512 and meshed transmission between the bevel gear II 511 and the bevel gear I510, so that the scraper main body 507 rotates to change the inclination angle of the scraper;
when the automatic screen printing machine works, when a product to be subjected to screen printing is narrow, the automatic screen printing machine can be electrified and started to drive the first screw rod 211 fixed on the rotating output shaft to rotate by controlling the second servo motor 212 during working, and the corresponding two groups of thread bushings 210 synchronously and relatively move by means of thread meshing between the first screw rod 211 and the thread bushings 210, so that the two groups of conveying frames 203 on the left side and the right side are driven to synchronously move, the interval distance is adjusted, and the narrow product is conveyed;
when the device works, when a narrow product is moved to the position right above the screen printing template 503 by the conveying belt 205, at the moment, the electric push rod I403 is electrified and started to drive the supporting frame 401 to move upwards to support the product in an auxiliary manner, so that the product is separated from the conveying belt 205, then, the servo motor II 212 is electrified and rotates in the reverse direction, so that the conveying frame 203 moves outwards to reset, then, the electric push rod I403 drives the supporting frame 401 to fall, and the electric push rod II 502 drives the screen printing template 503 to rise upwards to lift the product for screen printing operation.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. A bottom printing type screen printing machine for screen printing on the outer surface of a large box is characterized by comprising a base (100), bottom conveying mechanisms (200) are installed on the left side and the right side of the top of the base (100), and a bottom screen printing mechanism (500) is fixedly installed in the middle of the top of the base (100);
the bottom silk-screen printing mechanism (500) comprises a silk-screen frame (501), the silk-screen frame (501) is installed at the top of the base (100) through an electric push rod II (502), a silk-screen template (503) is movably embedded into the top of the silk-screen frame (501), screw rods II (504) are symmetrically inserted into the left side and the right side of the inside of the silk-screen frame (501) in a penetrating mode, a moving block (505) is movably sleeved on the outer side of each screw rod II (504), threads assembled on the inner wall of the moving block (505) are matched with threads assembled on the outer wall of each screw rod II (504), a scraper frame (506) is fixedly connected between the two moving blocks (505), the top of the scraper frame (506) is rotatably connected with a scraper main body (507) through a rotating shaft, the scraper main body (507) is arc-shaped in appearance, dye scraper tubes (508) are fixedly installed at the front end and the rear end of the scraper main body (507), a dye supply pump (509) is fixedly installed on the base (100), an output end of the dye supply pump (509) is communicated with the outer walls of the dye scraper tubes (508) through a dye scraper tubes, and through a through channel (508) is formed on the outer walls of the dye scraper tubes;
the bottom conveying mechanism (200) comprises sliding rails (201), two groups of sliding rails (201) are arranged on the two groups of sliding rails (201), the two groups of sliding rails (201) are symmetrically and fixedly installed on the front side and the rear side of the top of the base (100), conveying frames (203) are connected between the tops of the two groups of sliding rails (201) through sliders (202), two groups of conveying frames (203) are arranged on the two groups of conveying frames (203), the two groups of conveying frames (203) are respectively arranged on the left side and the right side of the top of the sliding rails (201), conveying rollers (204) are rotatably connected on the front side and the rear side of the inside of each group of conveying frames (203), conveying belts (205) are sleeved on the outer sides of the corresponding two groups of conveying rollers (204), spline holes (207) are fixedly embedded in the front two groups of conveying rollers (204), spline shafts (208) are movably inserted between the two groups of spline holes (207), a first servo motor (209) is fixedly installed on the left side of the base (100), and a rotating output shaft of the first servo motor (209) is in transmission connection with the spline shafts (208) through a belt pulley transmission mechanism;
fixed mounting has bevel gear (510) on the rotation axis of scraper blade main part (507), and the bottom meshing of bevel gear (510) is connected with bevel gear two (511), bevel gear two (511) rotate the top of connecting at movable block (505), the bottom fixed mounting of bevel gear two (511) has worm wheel (512), and the outside meshing of worm wheel (512) is connected with worm (513), worm (513) transverse rotation connects the top at movable block (505), all be connected with reversing gear (514) through one-way ratchet on the left and right sides both ends of worm (513), symmetry form fixed mounting has rack plate (515) on the front and back both sides inner wall of silk screen frame (501), and two sets of rack plate (515) respectively with two sets of reversing gear (514) are located same straight line, the tooth of assembly on reversing gear (514) and the tooth looks adaptation of assembly on rack plate (515).
2. The bottom printing type screen printing machine for screen printing on the outer surface of the large box body according to claim 1, which is characterized in that: and supporting wheels (206) are arranged inside the conveying belt (205), and the supporting wheels (206) are uniformly and sequentially connected inside the conveying frame (203) in a rotating mode.
3. The bottom printing type screen printing machine for screen printing on the outer surface of the large box body according to claim 1, which is characterized in that: sliding connection between slider (202) and slide rail (201), openly a set of the intermediate position department of two sets of sliders (202) of the inside embedding of slide rail (201) is all fixed to be inlayed and is had thread bush (210), and two sets of run through between thread bush (210) and insert and be equipped with screw rod (211), the screw thread opposite direction of assembly on the both ends outer wall is controlled to screw rod (211), and is two sets of the screw thread of assembly on the inner wall of thread bush (210) is controlled with screw rod (211) respectively and is gone up the screw thread engaged with adaptation of assembly on the both ends outer wall, fixed mounting has two (212) of servo motor on base (100), and fixed connection between the rotation output shaft of two (212) of servo motor and screw rod (211).
4. The bottom printing type screen printing machine for screen printing on the outer surface of the large box body as claimed in claim 1, wherein: the front and back bilateral symmetry form fixed mounting of base (100) has guiding mechanism (300), and guiding mechanism (300) is including guide frame (301), the surface of guide frame (301) is the slope form, evenly rotate through fixed axle (302) on the surface of guide frame (301) and be connected with roller shell (303).
5. The bottom printing type screen printing machine for screen printing on the outer surface of the large box body according to claim 1, which is characterized in that: two sets of supplementary lifting mechanism (400) are installed to the symmetry form on the intermediate position of slide rail (201), and supplementary lifting mechanism (400) including carriage (401), carriage (401) activity cover is established in the intermediate position outside of slide rail (201), sliding connection about between carriage (401) and slide rail (201), there is electric putter (403) intermediate position bottom of slide rail (201) through connecting plate (402) fixed mounting, and fixed connection between the top one end of electric putter (403) and carriage (401).
6. The bottom printing type screen printing machine for screen printing on the outer surface of the large box body according to claim 5, wherein: the laminating is provided with spacing (404) on the left and right sides outer wall of carriage (401), and spacing (404) fixed mounting is on slide rail (201), sliding connection between carriage (401) and spacing (404).
7. The bottom printing type screen printing machine for screen printing on the outer surface of the large box body according to claim 1, which is characterized in that: and a third servo motor (516) is fixedly mounted on the outer wall of the screen printing frame (501), a rotating output shaft of the third servo motor (516) is in transmission connection with the second screw rod (504) through a belt pulley transmission mechanism, and the second screw rods (504) are in transmission connection through a belt pulley transmission mechanism.
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| CN113665228A (en) | 2021-11-19 |
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Effective date of registration: 20221202 Address after: 272000 West Railway Station, Rencheng District, Jining City, Shandong Province (in the courtyard of Hengfeng Paper Co., Ltd.) Applicant after: Shandong Canal Traceable Packaging Technology Co.,Ltd. Address before: 238000 Hongmiao town Zhabei administrative village, Wuwei County, Wuhu City, Anhui Province Applicant before: Li Mingtao |
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