CN112644155B

CN112644155B - PLC intelligent full-automatic control steel drum screen printing machine

Info

Publication number: CN112644155B
Application number: CN202011551568.4A
Authority: CN
Inventors: 陈木荣; 何宇云
Original assignee: Guangdong Polytechnic College
Current assignee: Guangdong Polytechnic College
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2022-04-12
Anticipated expiration: 2040-12-24
Also published as: CN112644155A

Abstract

The invention discloses a PLC intelligent full-automatic control steel drum screen printing machine, and particularly relates to the technical field of steel drum screen printing machines. According to the invention, through the arrangement of the printing ink assembly, the driving gear and the sector gear can be meshed and driven, so that different contact positions between the scraper and the inside and outside of the reference roller are controlled, the scraper can conveniently scrape printing ink on the outer surface of a packaging product from outside to inside, the outer surface of the packaging product can form a printing ink coating, the situations of printing blurring, adhesion and the like of the printed product can be prevented, the printing quality is greatly improved, through the arrangement of the gold stamping assembly, the pressing plate can rotate downwards to pick up gold stamping paper on the upper surface of the placing plate, then the gold stamping paper can rotate upwards to hot press the gold stamping paper to the outer wall of the left end of the reference roller, the gold stamping paper can generate strong affinity on the outer surface of the packaging product with the printing ink coating, a metal layer is formed, the silk-screen printing of large and medium-sized metal packaging products and glass packaging products is completed, and the energy consumption of a silk-screen printing machine for a steel drum is low, the practicability is high, and the processing and printing efficiency is high.

Description

PLC intelligent full-automatic control steel drum screen printing machine

Technical Field

The embodiment of the invention relates to the technical field of steel drum screen printing machines, in particular to a PLC intelligent full-automatic control steel drum screen printing machine.

Background

The screen printer is called a screen printer, and is a device for printing soldering paste or surface mount adhesive on a PCB pad through a screen. It can be divided into vertical screen printer, oblique arm screen printer, rotary screen printer, four-column screen printer and full-automatic screen printer. The method is mainly applied to the electronic processing industry, the silk-screen mark of a printed circuit board, the mark of an instrument shell panel, the solder paste printing in the circuit board processing process and the like. In the continuous development process of the screen printing special printing industry, the industries such as traditional textile, clothing and packaging to emerging solar energy, glass, PCB and the like are in continuous transition development, and the continuous expansion of the application field pushes the screen printing special printing to move to a new journey step by step. In the process, the high-efficiency, environment-friendly and energy-saving requirements and standards for special printing and the like are met, and the transition from manual and semi-automatic processing to full-automatic and precise machinery in the screen printing special printing industry is guided, so that the large-scale and high-level product application is realized. The development of the screen printing machine technology as one of the most important devices in the screen printing special printing industry plays an immeasurable role in the process.

At present, the screen printing machine is mainly applied to plastic packaging products, in particular to daily chemical plastic packaging, such as facial cleanser, hand cream and the like. The reason is that the daily chemical packaging products are generally very small, are very easy to be sleeved and positioned by a bottle mouth, are low in printing pressure and not easy to deform, and ensure the uniformity of printing. For large and medium-sized metal packaging products and glass packaging products, because the required printing pressure is higher, and the gold stamping process is difficult to leave traces on the surfaces of metal and glass products, when the outer surfaces of the metal packaging products and the glass packaging products are subjected to silk printing, a layer of printing ink coating needs to be printed on the outer surface of the packaging products firstly, then gold stamping paper or silver stamping paper is covered on the printing ink coating, and hot pressing enables the gold stamping paper and the outer surface of the packaging products to generate strong affinity to form a metal layer.

Disclosure of Invention

Therefore, the embodiment of the invention provides a PLC intelligent full-automatic control steel drum screen printing machine, through the arrangement of an ink component, a driving gear and a sector gear can be meshed and driven, so that different contact positions of an inner part and an outer part of a scraper blade and a reference roller are controlled, ink is conveniently scraped on the outer surface of a packaging product from the outside to the inside by the scraper blade, an ink coating is formed on the outer surface of the packaging product, the situations of printing blurring, adhesion and the like of a printed product are prevented, the printing quality is greatly improved, through the arrangement of a gold stamping component, a pressing plate rotates downwards to pick up gold stamping paper on the upper surface of a placing plate, then rotates upwards to thermally press the gold stamping paper to the outer wall of the left end of the reference roller, the gold stamping paper generates strong affinity on the outer surface of the packaging product on which the ink coating is formed, a metal layer is formed, the screen printing of large and medium metal packaging products and glass packaging products is completed, the energy consumption of the steel drum screen printing machine is low, and the practicability is strong, the processing printing efficiency is high to solve among the prior art because PLC steel drum silk screen printing machine is difficult to realize gilt and printing ink's dual function, add other machine auxiliary printing, the power consumption is high, and is difficult to the even control printing speed, makes the presswork easily appear printing the condition such as fuzzy, adhesion, makes printing quality and printing efficiency all greatly reduced, the poor problem of practicality.

In order to achieve the above object, the embodiments of the present invention provide the following technical solutions: the PLC intelligent full-automatic control steel drum screen printing machine comprises a bottom frame, wherein a gold stamping assembly is arranged at the upper part of the bottom frame, and a printing ink assembly is arranged at the right part of the bottom frame;

the gold stamping assembly comprises a bearing shaft, wherein the front end and the rear end of the bearing shaft are fixedly sleeved with a transmission disc, the outer wall of the middle part of the bearing shaft is fixedly sleeved with a reference roller, vertical plates are fixedly connected to the upper surfaces of the front wall and the rear wall of the middle part of the underframe, support plates are fixedly connected to the upper surfaces of the front wall and the rear wall of the left end of the underframe, a placing plate is fixedly connected between the lower parts of the two support plates, a clamping block is rotatably connected between the inner walls of the tops of the two support plates through a clamping pin, a connecting plate is arranged outside the clamping block, a clamping groove is formed in the connecting plate, a pressing plate is fixedly connected between the right ends of the two connecting plates, a rotating shaft is rotatably connected between the upper ends of the two vertical plates, supporting rods are fixedly sleeved on the outer walls of the front end and the rear end of the rotating shaft, the lower ends of the two supporting rods are rotatably connected with a connecting rod through the clamping pin, sleeves are rotatably sleeved on the front wall and the middle part of the right end of the underframe through a power shaft and the clamping pin respectively, the outer end of the sleeve is rotatably connected with a sliding column;

the printing ink component comprises a mounting plate, the upper surfaces of the middle part and the right part of the mounting plate are fixedly connected with a supporting column, the upper walls of the middle part and the right part of the supporting column are respectively and fixedly connected with a fixed block and a reference cylinder, the rear part of the fixed block is rotatably connected with a driving gear through a driving shaft, the front part of the fixed block is rotatably sleeved with a guide frame through a positioning shaft, the rear wall of the guide frame is fixedly connected with a sector gear, a step cylinder is rotatably connected between the front ends of the guide frame, the upper wall and the lower wall at the left end of the ladder cylinder are both fixedly connected with rotary bases, a transition plate is rotatably connected in each of the two rotary bases through a mandrel, a T-shaped frame is connected between the stepped cylinder and the inner wall of the reference cylinder in a sliding mode, connecting grooves are formed in the front portion and the rear portion of the T-shaped frame, a scraper blade is connected in each connecting groove in a sliding mode, and a pressure spring is connected between the right wall of the stepped cylinder and the left wall of the reference cylinder in an elastic mode.

Further, the bearing shaft is rotatably connected between the upper right parts of the underframe.

Furthermore, the clamping groove is connected with the clamping block in a sliding mode.

Furthermore, the upper ends of the two support rods are rotatably connected with the right part of the connecting plate through clamping pins.

Further, sleeve inner wall fixedly connected with gag lever post, the gag lever post outer end is passed through the bayonet lock and is connected with the connecting rod right-hand member rotation.

Further, two eight arc walls and spacing groove have been seted up to the driving plate outer wall equidistance respectively, arc wall and sleeve sliding connection, spacing groove and traveller sliding connection.

Furthermore, the rear wall of the sector gear is meshed with the outer wall of the driving gear.

Furthermore, the inner end of the right wall of the scraping plate is rotatably connected with the left end of the transition plate through a mandrel, and the outer wall of the right part of the T-shaped frame is sleeved with the pressure spring.

The embodiment of the invention has the following advantages:

1. through the arrangement of the ink assembly, compared with the prior art, an external rotation power source such as a motor or a motor can be utilized to drive the driving shaft to rotate, so that the driving gear and the sector gear are in meshed transmission, the guide frame is driven to rotate and incline around the positioning shaft, the stepped cylinder is pushed to slide leftwards or rightwards along the T-shaped frame, the transition plate can be controlled to push the scraper plate to slide outwards along the connecting groove or pull the scraper plate to slide inwards along the connecting groove, different contact positions of the scraper plate and the reference roller are controlled, the scraper plate is convenient to scrape ink on the outer surface of a packaging product from the outside to the inside, the outer surface of the packaging product forms an ink coating, the printed product is prevented from being printed in fuzzy, adhered and the like, and the printing quality is greatly improved;

2. through the arrangement of the gold stamping component, compared with the prior art, the invention can utilize an external rotation power source such as a motor or a motor to drive the power shaft to rotate anticlockwise, the sleeve rotates along with the sleeve, the sliding column is connected with the limiting groove once when the sleeve rotates for one circle, the transmission disc and the reference roller are stirred to rotate for one eighth of a circle clockwise along the bearing shaft, the printing ink forms a coating through four circles of rotation of the power shaft, meanwhile, the limiting rod rotates to pull the connecting rod to enable the supporting rod to rotate around the shaft in a forward and reverse reciprocating way for ninety degrees, under the sliding limiting action of the clamping groove and the clamping block, the pressing plate rotates downwards to pick up the gold stamping paper on the upper surface of the placing plate, then the gold stamping paper rotates upwards to heat press the gold stamping paper to the outer wall of the left end of the reference roller, the gold stamping paper generates strong affinity on the outer surface of the packaging product with the printing ink coating, a metal layer is formed, and the silk-screen printing of large and medium metal packaging products and glass packaging products is completed, the gold stamping process and the accurate control of the printing efficiency are simultaneously completed by using one rotary power source, so that the steel drum screen printing machine is low in energy consumption, strong in practicability and high in processing and printing efficiency.

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 description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural diagram of the front side of the gold stamping assembly of the present invention;

FIG. 3 is an enlarged view of the structure of area A of FIG. 2 according to the present invention;

FIG. 4 is a schematic front view of an ink set according to the present invention;

FIG. 5 is a left side view of the T-frame of the present invention;

FIG. 6 is a schematic top view of the fixing block of the present invention;

FIG. 7 is an enlarged view of the structure of the area B in FIG. 6 according to the present invention.

In the figure: 1. a chassis; 2. a load bearing shaft; 3. a drive plate; 4. a reference roller; 5. a vertical plate; 6. a support plate; 7. placing the plate; 8. a bayonet lock; 9. a clamping block; 10. connecting plates; 11. a card slot; 12. a rotating shaft; 13. a strut; 14. a connecting rod; 15. a power shaft; 16. a sleeve; 17. a traveler; 18. a limiting rod; 19. an arc-shaped slot; 20. a limiting groove; 21. pressing a plate; 22. a gold stamping component; 23. mounting a plate; 24. a pillar; 25. a reference cylinder; 26. a fixed block; 27. a drive shaft; 28. a driving gear; 29. positioning the shaft; 30. a guide frame; 31. a sector gear; 32. a stepped barrel; 33. rotating; 34. a mandrel; 35. a transition plate; 36. a squeegee; 37. a T-shaped frame; 38. connecting grooves; 39. a pressure spring; 40. an ink set.

Detailed Description

The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. 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 the attached drawings 1-3 of the specification, the PLC intelligent full-automatic control steel drum screen printing machine comprises an underframe 1, wherein a gold stamping assembly 22 is installed on the upper part of the underframe 1, and an ink assembly 40 is installed on the right part of the underframe 1;

the gold stamping assembly 22 comprises a bearing shaft 2, a transmission disc 3 is fixedly sleeved on the outer walls of the front end and the rear end of the bearing shaft 2, a reference roller 4 is fixedly sleeved on the outer wall of the middle part of the bearing shaft 2, vertical plates 5 are fixedly connected on the upper surfaces of the front wall and the rear wall of the middle part of the underframe 1, a support plate 6 is fixedly connected on the upper surfaces of the front wall and the rear wall of the left end of the underframe 1, a placing plate 7 is fixedly connected between the lower parts of the two support plates 6, a clamping block 9 is rotatably connected between the inner walls of the tops of the two support plates 6 through a clamping pin 8, a connecting plate 10 is arranged outside the clamping block 9, a clamping groove 11 is arranged in the connecting plate 10, a pressing plate 21 is fixedly connected between the right ends of the two connecting plates 10, a rotating shaft 12 is rotatably connected between the upper ends of the two vertical plates 5, supporting rods 13 are fixedly sleeved on the outer walls of the front end and the rear end of the rotating shaft 12, and the lower ends of the two supporting rods 13 are rotatably connected with a connecting rod 14 through the clamping pin 8, the front wall and the middle part of the rear wall at the right end of the underframe 1 are respectively rotatably sleeved with a sleeve 16 through a power shaft 15 and a bayonet 8, and the outer end of the sleeve 16 is rotatably connected with a sliding column 17.

Further, the bearing shaft 2 is rotatably connected between the upper right part of the underframe 1, and mounting points are provided for the reference roller 4 and the two transmission discs 3.

Further, the clamping groove 11 is slidably connected with the clamping block 9, so that the movement path of the connecting plate 10 is limited.

Furthermore, the upper ends of the two support rods 13 are rotatably connected with the right part of the connecting plate 10 through the bayonet 8, so that the connecting plate 10 can be driven to move by the rotating inclination of the two support rods 13.

Furthermore, the inner wall of the sleeve 16 is fixedly connected with a limiting rod 18, and the outer end of the limiting rod 18 is rotatably connected with the right end of the connecting rod 14 through a bayonet 8, so that the rotation of the sleeve 16 can drive the limiting rod 18 to be linked with the connecting rod 14.

Further, two eight arc wall 19 and spacing groove 20 have been seted up to the 3 outer walls of driving disc equidistance respectively, arc wall 19 and sleeve 16 sliding connection, spacing groove 20 and traveller 17 sliding connection make sleeve 16 every anticlockwise rotation a week traveller 17 once with spacing groove 20 sliding connection, stir driving disc 3 and benchmark roller 4 along bearing shaft 2 clockwise rotation eighth round.

The implementation scenario is specifically as follows: when gold stamping is carried out, an external rotation power source such as a motor or a motor can be utilized to drive the power shaft 15 to rotate anticlockwise, the sleeve 16 rotates along with the power shaft, the sliding column 17 and the limiting groove 20 are connected in a sliding mode once when the sleeve 16 rotates for one circle, the transmission disc 3 and the reference roller 4 are stirred to rotate for one eighth of a circle clockwise along the bearing shaft 2, ink forms a coating through four circles of rotation of the power shaft 15, meanwhile, the limiting rod 18 rotates to pull the connecting rod 14 to enable the supporting rod 13 to rotate around the shaft 12 in a positive and negative reciprocating mode for ninety degrees, under the sliding limiting effect of the clamping groove 11 and the clamping block 9, the pressing plate 21 rotates downwards to pick up the gold stamping paper on the upper surface of the placing plate 7, then the gold stamping paper rotates upwards to heat press the gold stamping paper to the outer wall of the left end of the reference roller 4, the gold stamping paper generates strong affinity on the outer surface of a packaging product with the ink coating, a metal layer is formed, and the silk-screen printing of large and medium metal packaging products and glass packaging products is completed, the rotary power source is used for simultaneously completing the gold stamping process and accurately controlling the printing efficiency, so that the energy consumption of the steel drum screen printing machine is low, the practicability is high, the processing and printing efficiency is high, the embodiment specifically solves the problem that the PLC steel drum screen printing machine in the prior art is difficult to realize the dual functions of gold stamping and printing ink, and the printing speed is difficult to uniformly control in the process of adding other machines for assisting printing, so that the printing efficiency is greatly reduced, and the practicability is poor.

Referring to the attached drawings 4-7 of the specification, the full-automatic intelligent PLC steel drum screen printing machine of the embodiment comprises an installation plate 23, wherein the middle part and the upper surface of the right part of the installation plate 23 are fixedly connected with a support column 24, the upper walls of the middle part and the right part of the support column 24 are respectively fixedly connected with a fixed block 26 and a reference cylinder 25, the rear part of the fixed block 26 is rotatably connected with a driving gear 28 through a driving shaft 27, the front part of the fixed block 26 is rotatably sleeved with a guide frame 30 through a positioning shaft 29, the rear wall of the guide frame 30 is fixedly connected with a sector gear 31, the front end of the guide frame 30 is rotatably connected with a stepped cylinder 32, the upper wall and the lower wall of the left end of the stepped cylinder 32 are respectively fixedly connected with rotary bases 33, the inner parts of the two rotary bases 33 are rotatably connected with transition plates 35 through spindles 34, and a T-shaped frame 37 is slidably connected between the stepped cylinder 32 and the inner wall of the reference cylinder 25, connecting grooves 38 are formed in the front portion and the rear portion of the T-shaped frame 37, scraping plates 36 are connected into the two connecting grooves 38 in a sliding mode, and a pressure spring 39 is elastically connected between the right wall of the stepped cylinder 32 and the left wall of the reference cylinder 25.

Further, the rear wall of the sector gear 31 is engaged with the outer wall of the driving gear 28, so that the rotation of the driving gear 28 can drive the sector gear 31 to link, thereby enabling the guide frame 30 to rotate and tilt left and right around the positioning shaft 29.

Further, the inner end of the right wall of the scraper 36 is rotatably connected with the left end of the transition plate 35 through the mandrel 34, the outer wall of the right part of the T-shaped frame 37 is sleeved with a pressure spring 39, and the pressure spring 39 is convenient for pulling and rebounding the step cylinder 32 when the step cylinder 32 slides leftwards or rightwards.

The implementation scenario is specifically as follows: when printing ink, the driving shaft 27 can be driven to rotate by an external rotation power source such as a motor or a motor, thereby the driving gear 28 and the sector gear 31 are engaged for transmission, the guide frame 30 is driven to rotate and incline around the positioning shaft 29, the stepped cylinder 32 is pushed to slide leftwards or rightwards along the T-shaped frame 37, the transition plate 35 can be controlled to push the scraper 36 to slide outwardly along the connecting slot 38 or to pull the scraper 36 to slide inwardly along the connecting slot 38, thereby controlling different contact positions of the scraper 36 and the reference roller 4 from inside to outside, facilitating the scraper 36 to scrape and coat the ink on the outer surface of the packaging product from outside to inside, forming an ink coating on the outer surface of the packaging product, preventing the printed product from the conditions of fuzzy printing, adhesion and the like, greatly improving the printing quality, this embodiment has specifically solved among the prior art PLC steel drum silk screen printing machine and has made the printed matter easily appear printing the condition such as fuzzy, adhesion, makes printing quality greatly reduced's problem.

Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

Full automatic control steel drum silk screen printing machine of PLC intelligence, including chassis (1), its characterized in that: a gold stamping assembly (22) is mounted on the upper portion of the bottom frame (1), and an ink assembly (40) is mounted on the right portion of the bottom frame (1);

the gold stamping component (22) comprises a bearing shaft (2), a transmission disc (3) is fixedly sleeved on the outer wall of the front end and the outer wall of the rear end of the bearing shaft (2), a reference roller (4) is fixedly sleeved on the outer wall of the middle part of the bearing shaft (2), vertical plates (5) are fixedly connected on the upper surfaces of the front wall and the rear wall of the middle part of the chassis (1), supporting plates (6) are fixedly connected on the upper surfaces of the front wall and the rear wall of the left end of the chassis (1), a placing plate (7) is fixedly connected between the lower parts of the two supporting plates (6), a clamping block (9) is rotatably connected between the inner walls of the tops of the two supporting plates (6) through a clamping pin (8), a connecting plate (10) is arranged outside the clamping block (9), a clamping groove (11) is formed in the connecting plate (10), the clamping groove (11) is slidably connected with the clamping block (9), and a pressing plate (21) is fixedly connected between the right ends of the two connecting plates (10), the upper ends of the two vertical plates (5) are rotatably connected with a rotating shaft (12), the front end and the outer wall of the rear end of the rotating shaft (12) are fixedly sleeved with a support rod (13), the lower ends of the two support rods (13) are rotatably connected with a connecting rod (14) through a bayonet lock (8), the upper ends of the two support rods (13) are rotatably connected with the right part of a connecting plate (10) through the bayonet lock (8), the middle parts of the front wall and the rear wall of the right end of the underframe (1) are respectively rotatably sleeved with a sleeve (16) through a power shaft (15) and the bayonet lock (8), the outer end of the sleeve (16) is rotatably connected with a sliding column (17), the inner wall of the sleeve (16) is fixedly connected with a limiting rod (18), the outer end of the limiting rod (18) is rotatably connected with the right end of the connecting rod (14) through the bayonet lock (8), and the outer walls of the two transmission discs (3) are respectively provided with eight arc-shaped grooves (19) and limiting grooves (20) at equal intervals, the arc-shaped groove (19) is connected with the sleeve (16) in a sliding manner, and the limiting groove (20) is connected with the sliding column (17) in a sliding manner;

the printing ink assembly (40) comprises an installation plate (23), a strut (24) is fixedly connected to the middle of the installation plate (23) and the upper surface of the right portion of the installation plate (23), the middle of the installation plate and the right portion of the upper wall of the strut (24) are fixedly connected with a fixed block (26) and a reference cylinder (25) respectively, a driving gear (28) is rotatably connected to the rear portion of the fixed block (26) through a driving shaft (27), a guide frame (30) is rotatably sleeved in the front portion of the fixed block (26) through a positioning shaft (29), a sector gear (31) is fixedly connected to the rear wall of the guide frame (30), the rear wall of the sector gear (31) is meshed with the outer wall of the driving gear (28), a stepped cylinder (32) is rotatably connected between the front end of the guide frame (30), a swivel base (33) is fixedly connected to the upper wall and the lower wall of the left end of the stepped cylinder (32), two transition plates (35) are rotatably connected to the swivel base (33) through a mandrel (34), sliding connection has T type frame (37) between ladder section of thick bamboo (32) and benchmark section of thick bamboo (25) inner wall, connecting groove (38), two have all been seted up in T type frame (37) front portion and the rear portion equal sliding connection has scraper blade (36) in connecting groove (38), elastic connection has pressure spring (39) between ladder section of thick bamboo (32) right side wall and benchmark section of thick bamboo (25) left side wall, scraper blade (36) right side wall inner is connected with cross cab apron (35) left end rotation through mandrel (34), T type frame (37) right part outer wall cup joints with pressure spring (39).
2. The PLC intelligent full-automatic control steel drum screen printing machine according to claim 1, characterized in that: the bearing shaft (2) is rotatably connected to the right upper part of the underframe (1).