CN113787831A - Circuit board feeding system and method of ink-jet printer - Google Patents
Circuit board feeding system and method of ink-jet printer Download PDFInfo
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- CN113787831A CN113787831A CN202111177834.6A CN202111177834A CN113787831A CN 113787831 A CN113787831 A CN 113787831A CN 202111177834 A CN202111177834 A CN 202111177834A CN 113787831 A CN113787831 A CN 113787831A
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- Prior art keywords
- circuit board
- negative pressure
- leveling
- bolt
- pinch roller
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
- B41J3/407—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
- B41J3/4073—Printing on three-dimensional objects not being in sheet or web form, e.g. spherical or cubic objects
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
- B65G15/30—Belts or like endless load-carriers
- B65G15/58—Belts or like endless load-carriers with means for holding or retaining the loads in fixed position, e.g. magnetic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/02—Articles
- B65G2201/0214—Articles of special size, shape or weigh
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Handling Of Sheets (AREA)
- Ink Jet (AREA)
- Delivering By Means Of Belts And Rollers (AREA)
Abstract
The invention provides a circuit board feeding system and a feeding method of an ink-jet printer, and the circuit board feeding system comprises a machine table and a head assembly, wherein a negative pressure conveying mechanism is arranged on the inner side of the machine table, a leveling mechanism is arranged at the top end of the machine table, and the lower parts of two sides of the head assembly are respectively provided with a flattening mechanism; according to the invention, the adjusting sliding plate is connected on the adjusting guide rod in a sliding manner, so that the leveling pressing wheel can be suitable for leveling and pressing circuit boards with different widths, the height of the leveling pressing wheel can be conveniently adjusted through the first bolt, the leveling pressing wheel can be suitable for leveling and pressing circuit boards with different thicknesses, the leveling pressing wheel is driven to be adjusted to a proper height through the second bolt, and meanwhile, the circuit boards are flattened through the flattening pressing wheel, so that the problem that the circuit boards are warped in the printing process is avoided, the leveling pressing wheel can also be suitable for flattening circuit boards with different thickness specifications, air suction is carried out on an air cavity in the negative pressure cavity through the negative pressure fan, the circuit boards are firmly adsorbed on the conveying belt, and the feeding of the circuit boards is more stable and accurate.
Description
Technical Field
The invention relates to the technical field of circuit board printing equipment, in particular to a circuit board feeding system and a circuit board feeding method of an ink-jet printer.
Background
The English name of an electronic circuit board is PCB, which is an important supporting body of electronic components and electronic elements and is also a carrier for electrical interconnection of the electronic elements, the traditional printing processing of the electronic circuit board adopts a screen printing technology, but with the gradual reduction and diversification of production varieties of the electronic circuit board in factories, the screen printing is not required by industrial production in time effectiveness, so that an ink-jet printing technology is required, the ink-jet printing technology begins in the 70 th 20 th century, the resolution of the current ink-jet printing can realize hundreds of DPI or even thousands of DPI, the requirements of the production of the electronic circuit board can be completely met, the leap from a graphic display technology to a functional graphic technology is realized, and the processing of the current electronic circuit board cannot be opened from an ink-jet printer.
Most of existing ink-jet type circuit board printers convey circuit boards through conveyor belts, the feeding method can improve the feeding efficiency to a certain extent, but the circuit boards cannot be positioned in the conveying process of the circuit boards, so that the circuit boards are prone to shifting in the conveying process, and the existing printers do not level and flatten the circuit boards in the conveying process and the printing process of the circuit boards, so that the circuit boards are prone to warping and uneven, the problem of printing shifting is caused, and the printing precision and the printing quality are reduced.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a circuit board feeding system and a feeding method of an ink-jet printer.
The technical scheme of the invention is realized as follows:
the utility model provides a circuit board feeding system of ink jet printer, includes board and locomotive assembly, the board top is equipped with vertical slide rail, sliding connection has the drive frame on the vertical slide rail, be equipped with the lift cylinder in the drive frame, the locomotive assembly is connected and goes up and down through the drive of lift cylinder with the output of lift cylinder, the bottom of locomotive assembly is equipped with prints the shower nozzle, the board inboard is equipped with negative pressure conveying mechanism, the board top is equipped with leveling mechanism, the lower part of locomotive assembly both sides all is equipped with flattening mechanism.
The improved structure of the vacuum conveying machine is characterized in that the vacuum conveying mechanism comprises a driving roller and a conveying belt, the driving roller is arranged on two sides inside the machine table and is driven to rotate by a motor, a transition roller connected to the inner side of the machine table in a rotating mode is arranged above the driving roller, the conveying belt is wrapped outside the driving roller and the transition roller, air suction holes are evenly formed in the conveying belt, a vacuum cavity is fixed to the upper portion of the inner side of the machine table, and the vacuum cavity is located on the inner side of the conveying belt.
The improved vehicle head assembly is further improved in that an air chamber communicated with each other is formed in the negative pressure cavity, air inlet pipes communicated with the air chamber are symmetrically arranged on the rear side of the negative pressure cavity, one end, far away from the negative pressure cavity, of each air inlet pipe is connected with the output end of the negative pressure fan, a supporting base plate is arranged at the top end of the negative pressure cavity, and a ventilation hole matched with the air suction hole is formed in the portion, located on the left side of the vehicle head assembly, of the supporting base plate.
The improved structure is characterized in that the leveling mechanism comprises supporting plates which are symmetrically arranged on the front side and the rear side of the top end of the machine table, the supporting plates are connected through adjusting guide rods, the adjusting guide rods are connected with adjusting sliding plates which are symmetrically distributed in a sliding mode, the adjusting sliding plates are connected with first floating plates, first bolts penetrate through the two sides of the first floating plates in a sliding mode, the bottom ends of the first bolts are connected with pinch roller rods, and leveling pinch rollers are distributed at the bottoms of the pinch roller rods at equal intervals.
The improved structure of the floating type hydraulic cylinder is characterized in that the upper portion of the first bolt is designed to be smooth and is in sliding connection with the first floating plate, the lower portion of the first bolt is provided with external threads and is in threaded connection with the pressing wheel rod, the pressing wheel rod and the first floating plate are connected through first limiting springs which are symmetrically distributed, and the first limiting springs are sleeved on the first bolt in a sliding mode.
The leveling mechanism comprises second floating plates symmetrically arranged on the left side and the right side of the vehicle head assembly, second bolts penetrate through the front side and the rear side of each second floating plate, the bottom ends of the second bolts penetrate through the lower portion of each second floating plate in a sliding mode and are connected with a pinch roller mounting plate in a threaded mode, and leveling pulleys are distributed on the bottom of each pinch roller mounting plate at equal intervals.
The improved structure is characterized in that the upper portion of the second bolt is designed to be smooth and is in sliding connection with the second floating plate, the lower portion of the second bolt is provided with external threads and is in threaded connection with the pinch roller mounting plate, and a second limiting spring located between the second floating plate and the pinch roller mounting plate is sleeved on the outer portion of the second bolt in a sliding mode.
A feeding method of a circuit board feeding system of an ink-jet printer comprises the following steps:
the method comprises the following steps: leveling mechanism
Firstly, adjusting two groups of adjusting sliding plates to proper positions along an adjusting guide rod according to the width size of a circuit board to be printed, then screwing a first bolt by using a screwdriver and adjusting a pinch roller rod to proper height according to the thickness size of the circuit board to be printed;
step two: adjusting and flattening mechanism
Firstly, a screwdriver is used for twisting a second bolt to drive the pinch roller mounting plate to lift, and the pinch roller mounting plate and a flattening pulley at the bottom of the pinch roller mounting plate are adjusted to proper heights according to the thickness of a circuit board to be printed;
step three: starting negative pressure conveying mechanism
The circuit board to be printed is placed on the conveying belt firstly, then the air inlet pipe is communicated with the output end of the negative pressure fan, the negative pressure fan starts to exhaust air of an air chamber inside the negative pressure cavity, the circuit board is adsorbed under the action of the air vent and the air suction hole, the circuit board is adsorbed on the conveying belt, then the motor driving roller is started to drive the conveying belt to run, the circuit board moves towards the direction of the head assembly, and then the circuit board is leveled by the leveling mechanism, enters the lower part of the head assembly and is flattened by the flattening mechanism, and feeding of the circuit board is completed.
Compared with the prior art, the invention has the following advantages: the invention can be suitable for circuit boards with different width specifications to be leveled and pressed by connecting the adjusting sliding plate on the adjusting guide rod in a sliding way, the leveling pressing wheel can be convenient for adjusting the height through the first bolt, so that the leveling pressing wheel can be suitable for circuit boards with different thickness specifications to be leveled and pressed, the leveling pulley is driven to be adjusted to the proper height through the second bolt, and simultaneously, the circuit board is flattened through the flattening pulley, thereby not only avoiding the problem that the circuit board is warped in the printing process, but also being suitable for the circuit boards with different thickness specifications to be flattened, exhausting air from an air cavity inside a negative pressure cavity through the negative pressure fan, and adsorbing the circuit board under the action of the air vent and the air suction hole, so that the circuit board is firmly adsorbed on the conveying belt, and avoiding the problem that the circuit board is easy to deviate in the circuit board conveying process of the traditional printer, the feeding of the circuit board is more stable and accurate, and the printing season and the printing quality are ensured.
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, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a perspective view of the machine and the support pad of the present invention;
FIG. 3 is a three-dimensional structure diagram of the machine table and the negative pressure cavity of the invention;
FIG. 4 is a perspective view of the leveling mechanism of the present invention;
FIG. 5 is a side view of the flattening mechanism of the present invention;
FIG. 6 is a perspective view of the flattening structure of the present invention;
FIG. 7 is a perspective view of the conveyor belt of the present invention;
FIG. 8 is a perspective view of the drive frame and lift cylinder of the present invention;
FIG. 9 is a flowchart of a method according to a second embodiment of the present invention.
The attached drawings are as follows: 1. a machine platform; 2. a headstock assembly; 3. a longitudinal slide rail; 4. a drive frame; 5. a lifting cylinder; 6. a drive roller; 7. a conveyor belt; 8. a transition roll; 9. an air suction hole; 10. a negative pressure cavity; 11. a wind chamber; 12. an air inlet pipe; 13. a support pad; 14. a vent hole; 15. a support plate; 16. adjusting the guide rod; 17. adjusting the sliding plate; 18. a first floating plate; 19. a first bolt; 20. a pinch roller bar; 21. leveling the pinch roller; 22. a first limit spring; 23. a second floating plate; 24. a second bolt; 25. a pinch roller mounting plate; 26. flattening the pulley; 27. and a second limit spring.
Detailed Description
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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example one
Referring to fig. 1, 2, 3, 4, 5, 6, 7, 8, the embodiment of the invention discloses a circuit board feeding system of an ink-jet printer, which comprises a machine table 1 and a head assembly 2, wherein the top end of the machine table 1 is provided with a longitudinal slide rail 3, the longitudinal slide rail 3 is connected with a driving frame 4 in a sliding manner, a lifting cylinder 5 is arranged in the driving frame 4, the head assembly 2 is connected with the output end of the lifting cylinder 5 and is driven to lift through the lifting cylinder 5, the bottom of the head assembly 2 is provided with a printing nozzle, the lifting frame 4 and the lifting cylinder 5 are driven by the longitudinal slide rail 3 to drive the head assembly 2 to move longitudinally, the head assembly 2 is driven to lift through the lifting cylinder 5, and the circuit board is subjected to ink-jet printing through the printing nozzle at the bottom of the head assembly 2, the inner side of the machine table 1 is provided with a negative pressure conveying mechanism for conveying the circuit board, the top end of the machine table 1 is provided with a leveling mechanism for leveling the circuit board in the conveying process, and the lower parts of the two sides of the headstock assembly 2 are respectively provided with a flattening mechanism for flattening the circuit board in the circuit board printing process.
Negative pressure conveying mechanism includes drive roller 6 and conveyer belt 7, drive roller 6 locates 1 inside both sides of board and is rotatory through motor drive, drive roller 6 top is equipped with to rotate and connects in the inboard transition roller 8 of board 1, pass through transition roller 8 and carry out the transition support to conveyer belt 7, conveyer belt 7 wraps up in drive roller 6 and 8 outsides of transition roller, make drive roller 6 and transition roller 8 pivoted drive conveyer belt 7 transmission simultaneously, evenly seted up induced draft hole 9 on the conveyer belt 7, board 1 inboard upper portion is fixed with negative pressure cavity 10, negative pressure cavity 10 is located conveyer belt 7 inboard, negative pressure cavity 10 is inside to be seted up the wind cavity 11 that communicates each other, negative pressure cavity 10 rear side symmetry is equipped with the air-supply line 12 with wind cavity 11 intercommunication, the one end that negative pressure cavity 10 was kept away from to air-supply line 12 is connected with negative pressure fan's output, negative pressure cavity 10 top is equipped with support backing plate 13, the portion that lies in locomotive assembly 2 left on support backing plate 13 sets up ventilation hole 14 that matches with induced draft hole 9 The upper portion of the conveying belt 7 is supported by the supporting base plate 13, the middle of the conveying belt 7 is prevented from drooping and affecting conveying of a circuit board, the air inlet pipe 12 is communicated with the output end of the negative pressure fan, the negative pressure fan is started, air suction is conducted on the air cavity 11 inside the negative pressure cavity 10 by the negative pressure fan, the circuit board is adsorbed under the effects of the air vent 14 and the air suction hole 9, the circuit board is firmly adsorbed on the conveying belt 7, and the problem that the circuit board is prone to shifting in the circuit board conveying process of a traditional printer is avoided.
The leveling mechanism comprises supporting plates 15 which are symmetrically arranged at the front side and the rear side of the top end of the machine table 1, the two groups of supporting plates 15 are connected through adjusting guide rods 16, the adjusting guide rods 16 are equidistantly distributed between the two groups of supporting plates 15, adjusting sliding plates 17 which are symmetrically distributed are connected on the adjusting guide rods 16 in a sliding manner, a first floating plate 18 is connected on the adjusting sliding plate 17, first bolts 19 penetrate through two sides of the first floating plate 18 in a sliding manner, the bottom ends of the first bolts 19 are connected with pinch roller rods 20, leveling pinch rollers 21 are equidistantly distributed at the bottoms of the pinch roller rods 20, the upper parts of the first bolts 19 are designed to be smooth and are connected with the first floating plate 18 in a sliding manner, the lower parts of the first bolts 19 are provided with external threads and are connected with the pinch roller rods 20 in a threaded manner, the pinch roller rods 20 are connected with the first floating plate 18 through first limiting springs 22 which are symmetrically distributed, the first limiting springs 22 are sleeved on the first bolts 19 in a sliding manner, the adjusting sliding connection of the adjusting guide rods 16, thereby make pinch roller pole 20 and flattening pinch roller 21 be convenient for spacing, and then can be applicable to the circuit board of different width specifications and carry out the flattening suppression, adjust the distance between pinch roller pole 20 and the first board 19 that floats through twisting first bolt 19 to make pinch roller pole 20 and flattening pinch roller 21 be convenient for height-adjusting, thereby can be applicable to the circuit board of different thickness specifications and carry out the flattening suppression, make the circuit board can not take place to rise the phenomenon of warping in transportation process.
The leveling mechanism comprises second floating plates 23 symmetrically arranged on the left side and the right side of the locomotive assembly 2, second bolts 24 penetrate through the front side and the rear side of each second floating plate 23, the bottom ends of the second bolts 24 penetrate through the lower part of each second floating plate 23 in a sliding manner and are in threaded connection with pinch roller mounting plates 25, flattening pulleys 26 are distributed at the bottoms of the pinch roller mounting plates 25 at equal intervals, the upper parts of the second bolts 24 are designed to be smooth and are in sliding connection with the second floating plates 23, external threads are arranged at the lower parts of the second bolts 24 and are in threaded connection with the pinch roller mounting plates 25, second limiting springs 27 positioned between the second floating plates 23 and the pinch roller mounting plates 25 are sleeved outside the second bolts 24 in a sliding manner, the pinch roller mounting plates 25 are driven to lift through the second bolts 24, the pinch roller mounting plates 25 and the flattening pulleys 26 at the bottoms of the pinch roller mounting plates 25 are adjusted to proper heights according to the thickness of a circuit board to be printed, and the circuit board is flattened through the flattening pulleys 26, the problem that the circuit board is warped and uneven in the printing process is avoided, and the circuit board flattening device can be suitable for circuit boards with different thickness specifications to flatten.
Example two
Referring to fig. 9, the embodiment of the present invention further discloses a feeding method of a circuit board feeding system of an inkjet printer, including the following steps:
the method comprises the following steps: leveling mechanism
Firstly, two groups of adjusting sliding plates 17 which are symmetrically distributed front and back are adjusted to proper positions along an adjusting guide rod 16 according to the width size of a circuit board to be printed, then a screwdriver is used for screwing a first bolt 19, and a pressure roller rod 20 is adjusted to proper height according to the thickness size of the circuit board to be printed;
step two: adjusting and flattening mechanism
Firstly, a screwdriver is used for screwing a second bolt 24 to drive a pinch roller mounting plate 25 to move up and down, and the pinch roller mounting plate 25 and a flattening pulley 26 at the bottom of the pinch roller mounting plate are adjusted to be at proper heights according to the thickness of a circuit board to be printed;
step three: starting negative pressure conveying mechanism
Firstly, a circuit board to be printed is placed on a conveyor belt 7, then an air inlet pipe 12 is communicated with the output end of a negative pressure fan, the negative pressure fan starts to exhaust air of an air chamber 11 inside a negative pressure cavity 10, the circuit board is adsorbed under the action of a ventilation hole 14 and an air suction hole 9, the circuit board is adsorbed on the conveyor belt 9, then a motor driving roller 6 is started to drive the conveyor belt 7 to operate, the circuit board moves towards a headstock assembly 2, then the circuit board enters the lower part of the headstock assembly 2 after being leveled by a leveling mechanism and is flattened by the leveling mechanism, feeding of the circuit board is completed, and finally the circuit board is printed by a printing nozzle at the bottom of the headstock assembly 2.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. The utility model provides a circuit board feeding system of ink jet printer, a serial communication port, includes board (1) and locomotive assembly (2), board (1) top is equipped with vertical slide rail (3), sliding connection has drive frame (4) on vertical slide rail (3), be equipped with lift cylinder (5) in drive frame (4), locomotive assembly (2) are connected and go up and down through lift cylinder (5) drive with the output of lift cylinder (5), the bottom of locomotive assembly (2) is equipped with prints the shower nozzle, board (1) inboard is equipped with negative pressure conveying mechanism, board (1) top is equipped with leveling mechanism, the lower part of locomotive assembly (2) both sides all is equipped with flattening mechanism.
2. The circuit board feeding system of the ink-jet printer according to claim 1, wherein the negative pressure conveying mechanism comprises a driving roller (6) and a conveying belt (7), the driving roller (6) is disposed on two sides inside the machine table (1) and is driven to rotate by a motor, a transition roller (8) rotatably connected to the inner side of the machine table (1) is disposed above the driving roller (6), the conveying belt (7) is wrapped outside the driving roller (6) and the transition roller (8), air suction holes (9) are uniformly formed in the conveying belt (7), a negative pressure cavity (10) is fixed on the upper portion of the inner side of the machine table (1), and the negative pressure cavity (10) is located on the inner side of the conveying belt (7).
3. The circuit board feeding system of the ink jet printer according to claim 2, wherein the negative pressure cavity (10) is internally provided with air chambers (11) which are communicated with each other, air inlet pipes (12) communicated with the air chambers (11) are symmetrically arranged on the rear side of the negative pressure cavity (10), one ends of the air inlet pipes (12) far away from the negative pressure cavity (10) are connected with the output end of the negative pressure fan, a supporting base plate (13) is arranged at the top end of the negative pressure cavity (10), and the part of the supporting base plate (13) on the left side of the head assembly (2) is provided with air vents (14) matched with the air suction holes (9).
4. The circuit board feeding system of the ink-jet printer according to claim 1, wherein the leveling mechanism comprises support plates (15) symmetrically arranged at the front side and the rear side of the top end of the machine table (1), two groups of the support plates (15) are connected through an adjusting guide rod (16), adjusting sliding plates (17) symmetrically distributed are slidably connected on the adjusting guide rod (16), a first floating plate (18) is connected on the adjusting sliding plate (17), first bolts (19) are slidably penetrated through both sides of the first floating plate (18), a pressing wheel rod (20) is connected at the bottom end of each first bolt (19), and leveling pressing wheels (21) are equidistantly distributed at the bottom of the pressing wheel rod (20).
5. The circuit board feeding system of the ink-jet printer according to claim 4, wherein the upper portion of the first bolt (19) is smooth and is slidably connected with the first floating plate (18), the lower portion of the first bolt (19) is externally threaded and is threadedly connected with the pinch roller rod (20), the pinch roller rod (20) and the first floating plate (18) are connected through first limiting springs (22) which are symmetrically distributed, and the first limiting springs (22) are slidably sleeved on the first bolt (19).
6. The circuit board feeding system of the ink-jet printer according to claim 1, wherein the leveling mechanism comprises second floating plates (23) symmetrically arranged at the left and right sides of the head assembly (2), second bolts (24) are respectively penetrated through the front and rear sides of each second floating plate (23), the bottom ends of the second bolts (24) slidably penetrate through the lower part of the second floating plate (23) and are in threaded connection with pinch roller mounting plates (25), and leveling pulleys (26) are equidistantly distributed at the bottom parts of the pinch roller mounting plates (25).
7. The circuit board feeding system of the ink-jet printer according to claim 6, wherein the upper part of the second bolt (24) is smooth and is slidably connected with the second floating plate (23), the lower part of the second bolt (24) is externally threaded and is threadedly connected with the pinch roller mounting plate (25), and the outer part of the second bolt (24) is slidably sleeved with a second limiting spring (27) between the second floating plate (23) and the pinch roller mounting plate (25).
8. A feeding method of a circuit board feeding system of an ink-jet printer is characterized by comprising the following steps:
the method comprises the following steps: leveling mechanism
Firstly, adjusting two groups of adjusting sliding plates (17) to proper positions along an adjusting guide rod (16) according to the width size of a circuit board to be printed, then screwing a first bolt (19) by using a screwdriver and adjusting a pinch roller rod (20) to proper height according to the thickness size of the circuit board to be printed;
step two: adjusting and flattening mechanism
Firstly, a screwdriver is used for screwing a second bolt (24) to drive a pinch roller mounting plate (25) to lift, and the pinch roller mounting plate (25) and a flattening pulley (26) at the bottom of the pinch roller mounting plate are adjusted to proper heights according to the thickness of a circuit board to be printed;
step three: starting negative pressure conveying mechanism
The circuit board that will wait to print is placed on conveyer belt (7) earlier, communicate air-supply line (12) and negative-pressure air fan's output and start negative-pressure air fan after that, negative-pressure air fan begins to carry out convulsions to the inside wind cavity (11) of negative pressure cavity (10) this moment, and play the adsorption to the circuit board under the effect of ventilation hole (14) and aspiration hole (9), make the circuit board adsorb on conveyer belt (9), then open motor drive roller (6) and drive conveyer belt (7) operation, make the circuit board to locomotive assembly (2) direction removal, later the circuit board gets into locomotive assembly (2) below and is flattened by flattening mechanism after the flattening mechanism flattening, accomplish the circuit board feeding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111177834.6A CN113787831A (en) | 2021-10-09 | 2021-10-09 | Circuit board feeding system and method of ink-jet printer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111177834.6A CN113787831A (en) | 2021-10-09 | 2021-10-09 | Circuit board feeding system and method of ink-jet printer |
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| CN113787831A true CN113787831A (en) | 2021-12-14 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115339240A (en) * | 2022-09-06 | 2022-11-15 | 广东信益智能科技有限公司 | High-stability two-head digital printer |
| CN117382317A (en) * | 2023-09-08 | 2024-01-12 | 山东福特尔新材料科技有限公司 | Multi-coating block blanket automatic positioning printing system |
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