CN117901539A - Printing equipment and printing method thereof - Google Patents
Printing equipment and printing method thereof Download PDFInfo
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- CN117901539A CN117901539A CN202410315858.0A CN202410315858A CN117901539A CN 117901539 A CN117901539 A CN 117901539A CN 202410315858 A CN202410315858 A CN 202410315858A CN 117901539 A CN117901539 A CN 117901539A
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- 238000007639 printing Methods 0.000 title claims abstract description 121
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000007790 scraping Methods 0.000 claims abstract description 102
- 238000007650 screen-printing Methods 0.000 claims abstract description 85
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 239000011248 coating agent Substances 0.000 claims description 21
- 238000000576 coating method Methods 0.000 claims description 21
- 230000004888 barrier function Effects 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000009825 accumulation Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 2
- 238000004891 communication Methods 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000008569 process Effects 0.000 description 10
- 230000009471 action Effects 0.000 description 4
- 230000002441 reversible effect Effects 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000010023 transfer printing Methods 0.000 description 1
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Abstract
The invention relates to the technical field of printing machinery, in particular to printing equipment and a printing method thereof, wherein the printing equipment comprises a machine body, a printing table, a screen printing plate and a printing mechanism are arranged on the machine body, the printing mechanism comprises a push plate, ink scraping plates, a driving assembly and a guiding assembly, the number of the ink scraping plates is two, the two ink scraping plates are arranged at the front side and the rear side of the push plate in the moving direction, the driving assembly drives the push plate and the ink scraping plates to reciprocate in the horizontal direction, the ink scraping plates positioned at the rear side of the push plate in the moving direction are attached to the screen printing plate, and the ink scraping plates positioned at the front side of the push plate in the moving direction are detached from the screen printing plate.
Description
Technical Field
The invention relates to the technical field of printing machinery, in particular to printing equipment and a printing method thereof.
Background
The screen printer uses the screen printing plate as the template, the ink is only penetrated out from the mesh and transferred onto the printing stock by the pressure of the ink scraping plate, thus realizing the duplication of patterns and characters, the printing mode is suitable for the printing of various materials including paper, plastics, glass, ceramics, textiles and the like, when the screen printer works, the image-text part of the screen printing plate is coated with a proper amount of ink, then the ink scraping plate is contacted with the screen at a certain angle, the ink is transferred to the surface of the printing stock which is static or synchronously moved below through the openings on the screen by the transportation and movement of the screen printing plate, and continuous stamping lines are formed on the surface of the printing stock.
The patent document with the publication number of CN216683682U proposes a screen printer with high utilization of printing ink, which comprises a machine body, fixedly connected with printing table on the organism, the top of printing table is equipped with the moving part on the organism along vertical sliding connection, fixedly connected with silk screen frame on the moving part, can dismantle in the silk screen frame and be connected with the silk screen printing board, horizontal sliding connection has the moving head on the moving part, the bottom of moving head is equipped with a plurality of scrapers, fixedly connected with is located a plurality of water conservancy diversion pieces that scraper blade both sides and length direction are unanimous with the scraper blade on the moving head, the guiding gutter has been seted up on the water conservancy diversion piece, under the effect of guiding gutter, realize scraping and water conservancy diversion to both sides printing ink, make printing ink can slide towards the intermediate position of printing table, realize the make full use of printing ink.
When the screen printing machine works, firstly, ink is pushed to spread on a screen printing plate through a push plate, then the ink scraping plate moves on the attached screen printing plate and presses the ink to pass through an opening on a screen, the push plate and the ink scraping plate are connected with the same driving mechanism, the push plate and the ink scraping plate move in a reciprocating and synchronous mode in the printing process, when the ink is coated, the height of the ink scraping plate is lifted to enable the ink scraping plate to be separated from the screen printing plate, the push plate pushes the ink to move on the screen printing plate in the process, when the printing process is carried out, the lower end of the ink scraping plate is enabled to be in contact with the screen printing plate at a certain angle, the driving mechanism drives the push plate and the ink scraping plate to move reversely, and the ink quantity is larger than the quantity required by printing, in the process that the push plate pushes the ink to push, namely, in the ink coating operation of the ink, the advancing stroke of the ink pushed by the push plate is larger than the stroke of the push plate, the ink at the position cannot be utilized, the ink at the two ends of the push plate in the moving direction cannot be piled up, and the ink at the two ends of the width of the ink scraping plate can be enabled to move towards the middle of a printing table, but the problem of the stroke of the ink at the two ends of the push plate is also solved.
Disclosure of Invention
The invention provides printing equipment and a printing method thereof, and aims to solve the problem that ink positioned at two ends of a push plate stroke of a screen printer in the related art cannot be utilized in the working process.
The invention relates to printing equipment, which comprises a machine body, wherein a printing table and a screen printing plate are arranged on the machine body, and the printing equipment is characterized in that a printing mechanism is also arranged on the machine body, and comprises:
The pushing plate is used for pushing the ink to be coated on the screen printing plate, the direction of pushing the ink to be coated on the screen printing plate by the pushing plate is the coating direction of the pushing plate, and the direction opposite to the coating direction is the backing direction of the pushing plate;
The two ink scraping plates are respectively arranged at two sides of the push plate in the moving direction, the push plate is connected with the two ink scraping plates through a connecting component, and the connecting component is used for adjusting the interval separation of the two ink scraping plates from the screen printing plate;
The driving assembly is used for driving the push plate and the ink scraping plate to reciprocate along the horizontal direction;
The guide assembly comprises a first guide groove and a second guide groove, the length directions of the first guide groove and the second guide groove are parallel to the moving direction of the pushing plate, the pushing plate is in sliding connection with the first guide groove, the heights of the two ends of the length of the first guide groove are increased so as to face one side of the moving direction of the pushing plate to be the front side of the pushing plate, any ink scraping plate is in sliding connection with the second guide groove, the ink scraping plate located on the front side of the moving direction of the pushing plate is separated from the screen printing plate, and the ink scraping plate located on the rear side of the moving direction of the pushing plate is in contact with the screen printing plate.
Preferably, the driving assembly includes:
A driving source mounted on the body;
the driving end of the driving source is connected with the driving wheel, and the driving source drives the driving wheel to axially rotate around the driving wheel;
The driven wheel is rotatably connected with the machine body relatively, and a transmission belt is sleeved on the driven wheel and the driving wheel;
The guide rail is arranged on the outer side of the driving belt, and the length direction of the guide rail is parallel to the moving direction of the push plate;
the guide block is in sliding connection with the guide rail and is fixed relative to the transmission belt;
the driving piece is fixed with the guide block, and the push plate is fixed relative to the driving piece.
Preferably, the connecting assembly comprises a guide rod and an adjusting rod, the guide rod penetrates through the pushing plate, the two ink scraping plates longitudinally slide relative to the guide rod, the middle part of the adjusting rod is hinged to the pushing plate, and the two ends of the length of the adjusting rod are respectively hinged to the two ink scraping plates.
Preferably, the push plate comprises a fixed plate and a movable plate, the movable plate is located on the lower side of the fixed plate, a guide groove is formed in the lower end portion of the fixed plate, the upper end of the movable plate is attached to the guide groove at the lower end of the fixed plate in a sliding mode, the upper end of the movable plate is connected with the guide groove through a spring, the fixed plate is connected with the driving assembly, and the movable plate is connected with the first guide groove in a sliding mode.
Preferably, the push plate is connected with two guide plates respectively at two width ends of the push plate, longitudinal guide shafts are arranged at two width ends of the push plate, the guide plates are connected with the guide shafts in a rotating mode through torsion springs, when the guide plates are attached to one width end of the ink scraping plate, the torsion springs are used for processing a force storage state, the guide plates are used for being connected with the end portions of the guide shafts, stirring portions are arranged at two end portions of the stroke of the push plate, stirring blocks are arranged on the machine body, two guide plates located in the same width direction of the push plate are connected with two stirring blocks at two stroke ends respectively, when the ink scraping plates are attached to the screen printing plates, the guide plates are attached to the end portions of the ink scraping plates, and when the ink scraping plates are detached from the screen printing plates, the guide plates are far away from the end portions of the push plate and rotate towards the middle.
Preferably, the ink scraping plate is further connected with a baffle, one side of the ink scraping plate facing the push plate is the inner side of the ink scraping plate, the baffle is attached to the outer side of the ink scraping plate and movably arranged, the push plate is connected with the ink scraping plate through an elastic piece, the lower end of the baffle is located at the lower side of the ink scraping plate when the ink scraping plate is separated from the screen printing plate, a barrier strip is further arranged on the inner side of the baffle, the length direction of the barrier strip is parallel to the width direction of the ink scraping plate, a groove is formed in the inner side of the baffle, and the barrier strip is connected with the groove through a spring so as to extrude the barrier strip to retract into the groove when the ink scraping plate moves downwards.
Preferably, the first guide groove is provided with a turning groove at two ends of the first guide groove, the turning groove is in an inverted V shape, the turning groove is communicated with the first guide groove, a limiting plate is arranged at the joint of the turning groove and the first guide groove, and the limiting plate is opened along the direction towards the middle of the first guide groove.
Preferably, the second guiding groove comprises two sliding ways which are longitudinally arranged in parallel, the length direction of the two sliding ways is parallel to the moving direction of the push plate, and the two ends of the length of the two sliding ways are communicated.
The printing method is characterized by comprising the following steps of:
S1, preparing, namely preparing a screen printing plate with a required pattern, installing the screen printing plate at a specified position of a machine body, preparing ink and adding the ink into an ink supply system of the machine body;
s2, feeding, namely placing a printing stock to be printed on the table top of the printing table, and adjusting the position of the printing stock;
S3, plate falling is carried out, and the height of the screen printing plate is adjusted, so that the pattern part on the screen printing plate is close to the surface of the printing table;
S4, ink is coated and printed, the driving assembly drives the pushing plate to move to coat the ink on the screen printing plate, the height between the pushing plate and the screen printing plate is increased when the pushing plate moves to the tail end of the stroke of the pushing plate, so that the ink accumulated on the front side of the pushing plate in the moving direction is crossed, the rear side of the pushing plate in the moving direction contacts the screen printing plate and presses the ink on the screen printing plate to transfer to the surface of a printing stock through meshes, and then the driving assembly circularly drives the pushing plate to reciprocate along the coating direction and the retreating direction to print the printing stock.
The beneficial effects of the invention are as follows:
(1) The printing ink accumulated on the two sides of the width of the ink scraping plate and the two ends of the stroke of the push plate are utilized in time in the printing process, when the push plate moves to the two ends of the stroke, the push plate is lifted upwards and passes through the ink accumulated on the front side of the moving direction of the push plate relative to the screen printing plate under the guidance of the first guide groove, the accumulated ink is pushed to move on the screen printing plate during the reverse movement, the guide plates on the two sides of the width of the push plate are used for preventing the ink from moving out of the push plate and the two sides of the width of the ink scraping plate, the full utilization of the ink is realized, the ink is prevented from accumulating outside the stroke of the push plate and the stroke of the ink scraping plate for a long time and oxidizing air, and the waste of the ink is reduced.
(2) The screen printer in the related art sets up the scraping plate in the push pedal unilateral, and during operation is pushed away printing ink through the push pedal at first, later push pedal and scraping plate reverse movement, and the scraping plate presses the printing ink that will coat again through mesh transfer printing on the stock, compares with this kind of screen printer, through set up the scraping plate respectively in push pedal front and back both sides, can be when the push pedal coating printing ink, presses printing ink through the mesh to the stock through the scraping plate of push pedal direction of movement rear side, has shown the efficiency that has improved printing.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a schematic view of the printing mechanism of the present invention mounted relative to the machine body.
Fig. 3 is a schematic structural view of the connection of the guide assembly and the push plate and the ink scraping plate in the invention.
Fig. 4 is a schematic structural view of a first guide groove and a second guide groove in the present invention.
Fig. 5 is a schematic view of the connection structure of the push plate and two ink scraping plates in the present invention.
Fig. 6 is a schematic view of the structure of the push plate and the ink scraping plate at another view angle.
Fig. 7 is a schematic view showing a structure of the connection of the ink scraping plate and the baffle plate in the present invention.
Fig. 8 is an enlarged view of a portion a in fig. 7.
Reference numerals:
1. A body; 11. a plate holder; 12. a printing table; 13. a landing assembly; 2. a push plate; 21. a wiper plate; 211. a baffle; 212. a barrier strip; 213. a chute; 22. a guide rod; 23. an adjusting rod; 24. a deflector; 241. a toggle part; 25. a shifting block; 3. a guide plate; 31. a first guide groove; 32. a second guide groove; 4. a driving source; 41. a driving wheel; 42. driven wheel; 43. a transmission belt; 44. a guide block; 45. a driving member.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
As shown in fig. 1 and 2, the printing device of the invention comprises a machine body 1, wherein a printing table 12 and a screen printing plate are arranged on the machine body 1, the printing table 12 is used for placing a printing stock to be printed, the printing table 12 can be fixed relative to the machine body 1, and a structure with adjustable height and position relative to the machine body 1 can also be arranged to ensure accurate relative position between the printing stock and the screen printing plate, the screen printing plate is arranged on the machine body 1 through a printing plate mechanism, the printing plate mechanism comprises a printing plate holder 11, a lifting assembly 13, an adjusting assembly and a compensating assembly, the printing plate holder 11 is used for fixing the screen printing plate, the screen printing plate is ensured not to be loose or displaced in the printing process, the lifting assembly 13 is connected with the printing plate holder 11, the lifting assembly 13 is responsible for controlling the screen printing plate to move up and down so as to contact with and leave the surface of the printing stock, the adjusting assembly is used for finely adjusting the position of the printing plate, the image and the graph is ensured to accurately align the printing stock, the compensating assembly is used for keeping stable pressure between the screen printing plate and the printing stock in the printing process, the quality of a printing pattern is ensured, the structure in the mechanism is not improved, the structure components in the mechanism are respectively, the lifting assembly 13 and the compensating assembly and the structure in the printing plate are not consistent with the structure in the existing printing machine.
The machine body 1 is also provided with a printing mechanism, the printing mechanism firstly coats the printing ink on the screen printing plate, then contacts the screen printing plate through the ink scraping plate 21 at a certain angle, and moves on the dead screen printing plate to apply pressure to the printing ink, so that the printing ink passes through the holes on the screen printing plate and is transferred to the surface of a printing stock.
As shown in fig. 2 to 5, the printing mechanism comprises a push plate 2, two ink scraping plates 21, a driving component and a guiding component, wherein the push plate 2 is used for pushing ink to be coated on a screen printing plate, the direction of pushing the ink to be coated on the screen printing plate by the push plate 2 is the coating direction of the push plate 2, the direction opposite to the coating direction is the retreating direction of the push plate 2, a certain gap is reserved between the push plate 2 and the screen printing plate, the gap between the push plate 2 and the screen printing plate corresponds to the coating thickness of the ink, the two ink scraping plates 21 are respectively arranged at two sides of the thickness direction of the push plate 2, the push plate 2 is connected with the two ink scraping plates 21 through a connecting component, when the printing mechanism works, the two ink scraping plates 21 are contacted with the screen printing plate at intervals, one side facing the moving direction of the push plate 2 is the front side of the push plate 2, when the printing mechanism works, the ink scraping plates 21 positioned on the front side of the push plate 2 are separated from the screen printing plate and are not contacted with ink, the ink scraping plates 21 positioned on the rear side of the push plate 2 are contacted with the screen printing plate, the connecting component comprises a guide rod 22 and an adjusting rod 23, the guide rod 22 penetrates through the push plate 2, the length direction of the guide rod 22 is parallel to the moving direction of the push plate 2, the two ink scraping plates 21 are longitudinally and slidably connected with the guide rod 22, in particular, a longitudinal sliding groove 213 is formed on the two ink scraping plates 21, the two ends of the length of the guide rod 22 respectively extend into the sliding grooves 213 on the two ink scraping plates 21, when the height of the ink scraping plates 21 is changed, the guide rod 22 can slide along the length direction of the sliding groove 213, the middle part of the adjusting rod 23 is hinged with the push plate 2, the two ends of the adjusting rod 23 are respectively hinged with the two ink scraping plates 21 so as to enable the height of one ink scraping plate 21 to rise, the height of the other squeegee 21 is lowered by pulling the adjustment lever 23 and brought into contact with the screen plate.
As shown in fig. 3 and 6, the guide assembly comprises a first guide groove 31 and a second guide groove 32, a guide plate 3 is arranged on the machine body 1, the first guide groove 31 and the second guide groove 32 are respectively arranged on the guide plate 3, the length direction of the first guide groove 31 and the length direction of the second guide groove 32 are parallel to the moving direction of the push plate 2, the push plate 2 is slidably connected with the first guide groove 31, the height of the two ends of the length of the first guide groove 31 is increased, so that when the push plate 2 moves to the tail ends of the coating direction and the retreating direction, the push plate 2 is lifted upwards under the guide of the first guide groove 31 to cross the ink accumulated on the front side of the push plate 2, and when the ink is moved back, the accumulated ink is pushed to move reversely, so that the waste caused by the accumulation of the ink on the two ends of the moving stroke of the push plate 2 is avoided, in particular, the first guide groove 31 is provided with rotary grooves at the two ends of the push plate 2, the rotary grooves are in reverse V shape, the rotary groove is communicated with the first guide groove 31, a limiting plate is arranged at the joint of the rotary groove and the first guide groove 31, the limiting plate is opened along the direction facing the middle part of the first guide groove 31, in order to adapt to the adjustment of the height between the push plate 2 and the screen printing plate, the push plate 2 consists of a fixed plate and a movable plate, the movable plate is positioned at the lower side of the fixed plate, the lower end of the fixed plate is provided with a guide groove, the upper end of the movable plate stretches into the fixed groove and slides against the inner wall of the fixed groove, the upper end of the movable plate is connected with the guide groove through a spring, the fixed plate is connected with a driving assembly, the driving assembly drives the fixed plate to reciprocate, a connecting rod is fixed at the end part facing the first guide groove 31, the connecting rod is longitudinally arranged, a connecting shaft is fixed at the upper end of the connecting rod, and when the connecting shaft stretches into the first guide groove 31 and is slidingly connected with the first guide groove 31, the movable plate is driven to upwards by the connecting rod, the distance between the bottom of the movable plate and the screen printing plate is increased, when the movable plate moves upwards, the spring connected with the movable plate is extruded, the spring holds the force, and when the connecting shaft moves to the lower end of the first guide groove 31, the spring pushes the movable plate to reset, so that the lower end of the movable plate is close to the screen printing plate;
As shown in fig. 4, the second guide groove 32 includes two parallel slide ways, the length direction of the two slide ways is parallel to the moving direction of the push plate 2, two ends of the length of the two slide ways are communicated, any one of the two slide ways 21 is slidably connected with the second guide groove 32, for convenience of description, the first slide way 21 is used as the first slide way 21 with the front side of the push plate 2, the other slide way 21 is used as the second slide way 21, if the first slide way 21 is connected with the second guide groove 32, the printing mechanism moves in the coating direction, the first slide way 21 is slidably connected with the slide way on the upper side, namely, in the coating direction of the push plate 2, the first slide way 21 is separated from the screen printing plate, simultaneously, the second slide way 21 is contacted with the screen printing plate under the action of the adjusting rod 23, the push plate 2 is moved to the tail end of the coating direction, the push plate 2 is lifted and reset under the action of the first guide groove 31, the accumulated ink on the front side of the push plate 2 is avoided, the accumulated ink is prevented from being in a position where the second slide way 21 is not contacted, if the first slide way 21 is connected with the second slide way 21 is connected, the second slide way 21 is driven by the second slide way 21 to be pushed by the high, and the second slide way 2 is prevented from being pushed by the second slide way 2 to be separated from being contacted with the screen printing plate 2 along the second slide way 2, and the second slide way 2 is pushed by the second slide way 2 along the direction, and the second slide way is pushed by the second slide way 2 is retracted along the direction.
As shown in fig. 2, the driving assembly is used for driving the pushing plate 2 to reciprocate along the coating direction and the retreating direction, the driving assembly comprises a driving source 4 installed on the machine body 1, the driving end of the driving source 4 is connected with a driving wheel 41, the driving source 4 drives the driving wheel 41 to axially rotate around the driving wheel 41, the driving wheel 41 is rotatably installed on the machine body 1, a driven wheel 42 is rotatably installed on the machine body 1, the connection direction of the driving wheel 41 and the driven wheel 42 is parallel to the moving direction of the pushing plate 2, a driving belt 43 is sleeved on the driving wheel 41 and the driven wheel 42, a guide block 44 is fixedly clamped on the driving belt 43 positioned on the upper side or the lower side, the guide block 44 is fixedly connected with a driving piece 45, the driving piece 45 is fixedly connected with the pushing plate 2, the specific driving piece 45 is fixedly connected with a fixed plate, the driving piece 45 can be regulated to reciprocate between the driving wheel 41 and the driven wheel 42 through controlling the rotating direction of the driving source 4, and then the pushing plate 2 is driven to reciprocate, in order to improve the moving stability of the driving assembly for driving the pushing plate 2, the guide rail is fixedly arranged on the machine body 1, the guide rail is arranged on the outer side of the driving belt 43, the length direction of the guide rail is parallel to the moving direction of the pushing plate 2, and the guide block is slidably connected with the guide rail.
As shown in fig. 5 and 6, in order to avoid that ink moves out from two sides of the width of the ink scraping plate 21 in the printing process, two guide plates 24 are respectively connected to the push plate 2 from two sides of the width of the push plate 2, specifically, the lower ends of the two sides of the width of the push plate 2 are provided with longitudinal guide shafts, the guide plates 24 are rotationally connected with the guide shafts through torsion springs, the lower end parts of the guide plates 24 are attached to the upper surface of the screen printing plate, the guide plates 24 on the two sides of the width of the push plate 2 are abutted to the ink scraping plate 21 attached to the screen printing plate, the guide plates 24 are abutted to the width end parts of the ink scraping plate 21, the guide plates 24 abutted to the ink scraping plate 21 are in a force accumulation state, when the ink scraping plate 21 abutted to the guide plates 24 ascends, the guide plates 24 rotate relative to the guide shafts under the action of elasticity of torsion springs, so that one side of the guide plates 24 away from the push plate 2 inclines to the inner side of the push plate 2, when the push plate 2 pushes ink to spread on the screen printing plate, the two guide plates 24 located on the front side of the push plate 2 push the ink to move towards the middle of the push plate 2, the ink on the two sides of the width of the push plate 2, the ink is prevented from flowing out of the width of the push plate 2, the ink is also pushed by the two sides to lift the width of the push plate 2, the ink on the side and the side of the side 2 is pushed by the opposite side, and the side, the quality of the ink is further evenly opposite quality is further improved.
In order to prevent the deflector 24 from blocking the falling of the ink scraping plate 21 when the push plate 2 moves to the tail end of the stroke, the machine body 1 is further provided with a shifting block 25, the end part of the deflector 24 connected with the guide shaft is provided with a shifting part 241, the shifting parts 241 on the two deflector 24 on the same side are different in height, the shifting blocks positioned at the two ends of the stroke of the push plate 2 are also different in contact height with the shifting parts 241 of the deflector 24, and when the push plate 2 moves to one end of the stroke, the corresponding shifting block 25 shifts the deflector 24 positioned at the front side of the moving direction of the push plate 2 to rotate, so that the two deflector 24 dodges the falling space corresponding to the ink scraping plate 21, and the influence on the exchange and lamination of the ink scraping plates 21 at the two sides of the push plate 2 is avoided.
In order to prevent ink attached to the bottom end of the ink scraping plate 21 from dropping when the ink scraping plate 21 is lifted, as shown in fig. 7 and 8, the ink scraping plate 21 is further connected with a baffle 211, so that one side of the ink scraping plate 21 facing the push plate 2 is the inner side of the baffle 211, the baffle 211 is movably arranged on the outer side of the ink scraping plate 21, the push plate 2 is connected with the ink scraping plate 21 through an elastic piece, so that the lower end of the baffle 211 is positioned on the lower side of the ink scraping plate 21 when the ink scraping plate 21 is separated from a screen printing plate, a baffle strip 212 is further arranged on the inner side of the baffle 211, the length direction of the baffle strip 212 is parallel to the width direction of the ink scraping plate 21, a groove is formed on the inner side of the baffle 211, the baffle strip 212 is connected with the groove through a spring, when the spring is naturally stretched, the baffle strip 212 stretches out of the baffle 211 and is used for bearing ink dropped from the bottom end of the ink scraping plate 21, and when the ink scraping plate 21 contacts the screen printing plate downwards, the baffle strip 21 is extruded into the groove of the baffle strip 212 to be retracted into the groove of the baffle 21, so that the baffle 21 is prevented from being influenced.
The printing method using the printing equipment provided by the invention specifically comprises the following steps:
S1, preparing operation, namely fixing a prepared screen printing plate on a plate holder 11, accurately aligning according to the position and the size of a printing stock, selecting proper ink, and pouring the proper ink into an ink supply system in front of a scraping plate 21;
S2, feeding, namely placing a printing stock to be printed on a printing table, and adjusting the position of the printing stock to ensure accurate placement of the position of the printing stock;
s3, plate falling, namely driving the screen printing plate to descend to a set position through the lifting assembly 13, so that the image-text part on the screen is close to the surface of a printing stock;
S4, ink coating and printing, the driving component drives the push plate 2 to move along the coating direction, the push plate 2 uniformly lays ink on the screen printing plate, the ink scraping plate 21 positioned at the rear side of the moving direction of the push plate 2 contacts the screen printing plate and pushes the ink to be transferred onto a printing stock through meshes of the screen printing plate, a clear pattern is formed, the printed printing stock is taken down, a new printing stock is replaced, the tail end of the push plate 2, which moves to the coating direction, is under the action of the second guide groove 32, the ink scraping plate 21 which contacts the screen printing plate is replaced, the driving component drives the push plate 2 to move along the backing direction, when the push plate 2 moves along the backing direction, the ink supplied by an automatic ink supply system is pushed away along the backing direction, the ink scraping plate 21 positioned at the rear side of the push plate 2 contacts the screen printing plate and pushes the ink to be transferred onto the printing stock through meshes of the screen printing plate, and then the driving component is circularly driven to reciprocate along the coating direction and the backing direction so as to print the printing stock.
The printing equipment provided by the invention can collect and utilize the ink on the two sides of the width of the ink scraping plate and at the two ends of the stroke of the pushing plate in time in the printing process, so that the waste of the ink is reduced, and meanwhile, the ink scraping plates are respectively arranged on the front side and the rear side of the moving direction of the pushing plate, so that the printing operation on a printing stock can be performed when the pushing plate moves along the coating direction and the retreating direction, and the printing efficiency on the printing stock is improved.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.
Claims (9)
1. Printing equipment, including organism (1), be equipped with printing table (12) and screen printing plate on organism (1), its characterized in that, still be equipped with print mechanism on organism (1), print mechanism includes:
the pushing plate (2) is used for pushing the ink to be coated on the screen printing plate, the direction of pushing the ink to be coated on the screen printing plate by the pushing plate (2) is the coating direction of the pushing plate (2), and the direction opposite to the coating direction is the retreating direction of the pushing plate (2);
The two ink scraping plates (21) are arranged on two sides of the push plate (2) in the moving direction, the push plate (2) is connected with the two ink scraping plates (21) through a connecting component, and the connecting component is used for adjusting the interval separation of the two ink scraping plates (21) from the screen printing plate;
the driving assembly is used for driving the push plate (2) and the ink scraping plate (21) to reciprocate along the horizontal direction;
The guide assembly comprises a first guide groove (31) and a second guide groove (32), the length directions of the first guide groove (31) and the second guide groove (32) are parallel to the moving direction of the push plate (2), the push plate (2) is in sliding connection with the first guide groove (31), the heights of the two ends of the length of the first guide groove (31) are increased, one side of the moving direction of the push plate (2) is the front side of the push plate (2), any one of the ink scraping plates (21) is in sliding connection with the second guide groove (32), the ink scraping plate (21) positioned on the front side of the moving direction of the push plate (2) is separated from the screen printing plate, and the ink scraping plate (21) positioned on the rear side of the moving direction of the push plate (2) is in contact with the screen printing plate.
2. A printing apparatus according to claim 1, wherein the drive assembly comprises:
a drive source (4), the drive source (4) being mounted on the machine body (1);
the driving end of the driving source (4) is connected with the driving wheel (41), and the driving source (4) drives the driving wheel (41) to rotate around the axial direction of the driving wheel;
the driven wheel (42), the driven wheel (42) is rotatably connected relative to the machine body (1), and a transmission belt (43) is sleeved on the driven wheel (42) and the driving wheel (41);
The guide rail is arranged on the outer side of the transmission belt (43), and the length direction of the guide rail is parallel to the moving direction of the push plate (2);
the guide block (44), the said guide block (44) is connected with said guide rail slidably, the said guide block (44) is fixed relative to said driving belt (43);
the driving piece (45), the driving piece (45) is fixed with the guide block (44), and the push plate (2) is fixed relative to the driving piece (45).
3. A printing apparatus according to claim 1, wherein said connection assembly comprises a guide bar (22) and an adjusting bar (23), said guide bar (22) penetrating said pushing plate (2), two of said ink scraping plates (21) longitudinally sliding with respect to said guide bar (22), a middle portion of said adjusting bar (23) being hinged with respect to said pushing plate (2), and both ends of a length of said adjusting bar (23) being hinged with said two ink scraping plates (21), respectively.
4. A printing device according to claim 1, characterized in that the push plate (2) comprises a fixed plate and a movable plate, the movable plate is located at the lower side of the fixed plate, a guide groove is formed in the lower end portion of the fixed plate, the upper end of the movable plate is attached to the guide groove at the lower end of the fixed plate in a sliding manner, the upper end of the movable plate is connected with the guide groove through a spring, the fixed plate is connected with the driving assembly, and the movable plate is connected with the first guide groove (31) in a sliding manner.
5. Printing equipment according to claim 1, characterized in that the push plate (2) is respectively connected with two guide plates (24) at two width ends, the two width ends of the push plate (2) are provided with longitudinal guide shafts, the guide plates (24) are rotationally connected with the guide shafts through torsion springs, when the guide plates (24) are attached to one width end of the ink scraping plate (21), the torsion springs are used for processing the accumulation state, the end parts of the guide shafts are used for being connected with poking parts (241), the two end parts of the stroke of the push plate (2) on the machine body (1) are provided with poking blocks (25), the two guide plates (24) located at the same width direction of the push plate (2) are respectively opposite to the two poking blocks (25) at the two stroke ends, so that when the ink scraping plate (21) is attached to the screen printing plate, the guide plates (24) are attached to the end parts of the ink scraping plate (21), and when the ink scraping plate (21) is detached from the screen printing plate, the end parts of the guide plates (24) are far away from the middle parts of the push plate (2).
6. A printing apparatus according to claim 1, wherein the squeegee (21) is further connected with a baffle plate (211), with one side of the squeegee (21) facing the push plate (2) being an inner side thereof, the baffle plate (211) is movably disposed in contact with an outer side of the squeegee (21), the push plate (2) is connected with the squeegee (21) through a resilient member, so that a lower end of the baffle plate (211) is positioned at a lower side of the squeegee (21) when the squeegee (21) is separated from the screen plate, an inner side of the baffle plate (211) is further provided with a barrier rib (212), a length direction of the barrier rib (212) is parallel to a width direction of the squeegee (21), a groove is disposed at the inner side of the baffle plate (211), and the barrier rib (212) is connected with the groove through a spring so as to press the barrier rib (212) to retract into the groove when the squeegee (21) moves downward.
7. Printing equipment according to claim 1, characterized in that the first guide groove (31) is provided with a turning groove at both ends thereof, the turning groove is in an inverted "V" shape, the turning groove is communicated with the first guide groove (31), the junction of the turning groove and the first guide groove (31) is provided with a limiting plate, and the limiting plate is opened in a direction towards the middle of the first guide groove (31).
8. A printing apparatus according to claim 1, wherein the second guide groove (32) comprises two longitudinally parallel slides, the length direction of which is parallel to the direction of movement of the push plate (2), and the length ends of which are in communication.
9. A printing method, characterized in that a printing object is printed using the printing apparatus according to any one of claims 1 to 8, comprising the steps of:
s1, preparing, namely preparing a screen printing plate with a required pattern, installing the screen printing plate at a designated position of a machine body (1), preparing ink and adding the ink into an ink supply system of the machine body (1);
S2, feeding, namely placing a printing stock to be printed on a table top of a printing table (12), and adjusting the position of the printing stock;
S3, plate falling is carried out, and the height of the screen printing plate is adjusted, so that the pattern part on the screen printing plate is close to the surface of the printing table (12);
S4, ink is coated and printed, the driving assembly drives the pushing plate (2) to move to coat the ink on the screen printing plate, the height between the pushing plate (2) and the screen printing plate is increased when the pushing plate (2) moves to the tail end of the stroke of the pushing plate, so that the ink accumulated on the front side of the pushing plate (2) in the moving direction is crossed, the rear side of the pushing plate (2) contacts the screen printing plate and presses the ink on the screen printing plate to be transferred to the surface of a printing stock through meshes, and then the driving assembly circularly drives the pushing plate (2) to reciprocate along the coating direction and the retreating direction to print the printing stock.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410315858.0A CN117901539B (en) | 2024-03-20 | 2024-03-20 | Printing equipment and printing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410315858.0A CN117901539B (en) | 2024-03-20 | 2024-03-20 | Printing equipment and printing method thereof |
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| CN117901539B CN117901539B (en) | 2024-05-28 |
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| CN212400594U (en) * | 2020-06-03 | 2021-01-26 | 深圳鸿德汇科技有限公司 | High-efficient silk screen printing machine that returns black |
| CN114274660A (en) * | 2021-12-29 | 2022-04-05 | 苏州市商祺光电有限公司 | Printing device and printing method for low-power-consumption ultrathin light guide plate |
| CN114701244A (en) * | 2017-04-28 | 2022-07-05 | 应用材料意大利有限公司 | Apparatus and method for screen printing substrate, and solar cell production apparatus |
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| JPH09123398A (en) * | 1995-10-26 | 1997-05-13 | Minoguruupu:Kk | Screen printing method and screen printing machine |
| TWM290100U (en) * | 2005-11-17 | 2006-05-01 | Kuen Yaw Machinery Co Ltd | Improved woven band printing machine |
| TWM471364U (en) * | 2013-09-16 | 2014-02-01 | Wen-Han Chen | Screen printing machine |
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| CN117901539B (en) | 2024-05-28 |
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