TWI415530B - Automatic printing machine - Google Patents

Abstract

An automatic printing machine for printing code on the circuit board. The automatic printing machine includes a chassis, a transmission and adjustment device, a collecting device and a printing device. The chassis includes a box body. A controlling system is set in the box body. The box body has a side surface and a top surface. The transmission and adjustment device is set on the top surface. The collecting device installed at the side surface. The collecting device includes a lifting platform and a first driving device mechanically connected to the lifting platform. The transferring device is configured for transferring the printed circuit board from the lifting platform to the transmission and adjustment device. The printing device is electronically connected to the control system. The printing device includes a printing head. The printing head faces to the transmission and adjustment device.

Description

Automatic printer

The present invention relates to the field of circuit board technology, and in particular, to an automatic printer for a circuit board.

Circuit board is the main component for transmitting electrical signals in electronic products. In the process of manufacturing circuit boards, it is usually made through multiple processes. Each process has different process parameters or manufacturing conditions for different circuit substrates. When it is found that there is a problem in the processing of a certain process of the circuit board product during the detection process, since it is difficult to track at the time of the corresponding process processing, it is difficult to find the production state of the process when the product is processed, and it is difficult to find and The problem product simultaneously handles the flow of other products. In this way, the quality of the board products is difficult to track.

At present, the circuit board is generally manually stamped with different codes to stamp different boards, but the main problem of using this method is a lot of manpower, and it is difficult to guarantee the barcode of each board. Nothing wrong.

In view of this, it is necessary to provide an automatic printer capable of automatically transmitting, printing, and receiving a circuit board, thereby improving circuit board production efficiency and production precision.

An automatic printer for printing printed circuit boards, the automatic printer package Including the chassis, conveyor adjustment device, receiving device and printing device. The cabinet has a casing, and the casing is internally provided with a control system for controlling the operation of the automatic printing mechanism, the casing having mutually perpendicular sides and an upper surface. The conveying adjustment device is disposed on an upper surface of the chassis for conveying the circuit board to be printed and the circuit board to be printed and printed. The receiving device is disposed at a side of the chassis, and the receiving device includes at least one lifting platform and at least one first driver mechanically coupled to the lifting platform, the lifting platform is configured to carry a circuit board, The receiving device is configured to drive the lifting platform to receive the circuit board that is transferred from the conveying adjustment device. The printing device is connected to the control system, the printing device comprises a printing head, and the printing head is opposite to the conveying adjusting device, and is used for the circuit board to be printed on the conveying adjusting device Print.

Compared with the prior art, in the technical solution, the automatic printer realizes automatic transmission and automatic receipt. The circuit board is automatically conveyed to the bottom of the printing device by the conveying adjustment device, and the nozzle prints the circuit board. After the printing is completed, the circuit board continues to be conveyed on the conveying device, and falls into the receiving material at the clamping of the conveying adjusting device. Device. And in the state of alternate operation of the lifting device of the receiving device, the uninterrupted receiving operation is realized.

100‧‧‧Automatic printer

10‧‧‧Chassis

101‧‧‧ Carrier

102‧‧‧ upper surface

103‧‧‧ first side

104‧‧‧Human Machine Interface Operating Device

105‧‧‧Alarm device

20‧‧‧Printing device

21‧‧‧Print head

22‧‧‧ Mounting bracket

221‧‧‧ bearing surface

241‧‧‧ Fixed Department

242‧‧‧Installation Department

23‧‧‧Printing controller

24‧‧‧Spray holder

30‧‧‧Transport adjustment device

301‧‧‧First baffle

302‧‧‧second baffle

303‧‧‧Transport drive motor

304‧‧‧Transmission Department

305‧‧‧Manual adjustment department

306‧‧‧ gripping department

310‧‧‧ protruding parts

311‧‧‧Parts

312‧‧‧First upper baffle

313‧‧‧Second upper baffle

314‧‧‧ outer surface

315‧‧‧ inner surface

341‧‧‧Drive wheel

342‧‧‧ driven wheel

343‧‧‧Active shaft

344‧‧‧Land

351‧‧‧Manual wheel

352‧‧‧Spindle

361‧‧‧Second drive wheel

362‧‧‧Second driven wheel

363‧‧‧First Roller

364‧‧‧second roller

365‧‧‧second belt

366‧‧‧Support frame

367‧‧‧Support plate

368‧‧‧Fixed block

40‧‧‧Receiving device

401‧‧‧Installation board

402‧‧‧ Lifting platform

403‧‧‧First drive

404‧‧‧Second rail

405‧‧‧Oval hole

410‧‧‧ first surface

412‧‧‧second drive

420‧‧‧First chute

421‧‧‧Second chute

411‧‧‧Bearing board

413‧‧‧ second surface

416‧‧‧ third surface

431‧‧‧First slide rail

1 is a perspective view of an automatic printer provided by an embodiment of the present technical solution.

2 is a perspective view of a conveying adjustment device of an automatic printer provided by an embodiment of the present technical solution.

FIG. 3 is an exploded view of the conveying adjustment device of the automatic printer provided by the embodiment of the present technical solution.

FIG. 4 is another exploded view of the conveying adjustment device of the automatic printer provided by the embodiment of the present technical solution.

FIG. 5 is an exploded view of the receiving device of the automatic printer provided by the embodiment of the present technical solution.

FIG. 6 is a perspective exploded view of the receiving device of the automatic printer provided by the embodiment of the present technical solution.

The automatic printing mechanism provided by the technical solution will be further described in detail below in conjunction with the various drawings and embodiments.

The automatic printer 100 provided by the technical solution comprises a casing 10, a printing device 20, a conveying adjustment device 30 and a receiving device 40.

Referring to FIG. 1, the appearance of the chassis 10 is a rectangular parallelepiped shape. The interior of the chassis 10 has a control system that controls the entire machine. In this embodiment, a carrier 101 is disposed at the bottom of the chassis 10 for carrying the chassis 10. A roller is mounted on the bottom of the carrier 101. The chassis 10 has an upper surface 102 and a first side 103 that is perpendicularly coupled to the upper surface 102. In the present embodiment, the plane defining the plane parallel to the upper surface 102 is defined as the Z-axis direction in which the XY plane is perpendicular to the upper surface 102, and a coordinate system as shown in the drawing is established.

The chassis 10 is also provided with a human interface operating device 104 and an alarm device 105 extending from the upper surface 102 perpendicular to the carrier 101. The man-machine interface operating device 104 is used by a worker to perform the operation of the automatic printer. The alarm device 105 includes signal lamps of different colors that communicate with the control system inside the chassis 10. When the working state of the automatic printer 100 is abnormal, the corresponding signal light is illuminated.

The printing device 20 is mounted on the upper surface 102. The printing device 20 includes a print controller 23, a head holder 24, a print head 21, and a mounting frame 22. The mounting bracket 22 is mounted to the upper surface 102 of the chassis, and the mounting bracket 22 is generally rectangular parallelepiped having a bearing surface 221 that is parallel to the upper surface 102. The print controller 23 is electrically connected to the print head 21 for controlling the print head 21 to print the printed circuit board. The print controller 23 is mounted on one side of the bearing surface 221 of the mounting frame 22. The head holder 24 has an L-shape, and the head holder 24 includes a fixing portion 241 and a mounting portion 242 that are connected to each other. The fixing portion 241 is vertically mounted on the upper surface 102, and the mounting portion 242 is parallel to the upper surface 102. The print head 21 is fixed to the mounting portion 242 of the head holder 24 and is opposed to the upper surface 102.

Referring to FIG. 1 , FIG. 2 , FIG. 3 , and FIG. 4 , the conveying adjustment device 30 is mounted on the upper surface 102 . The conveying adjustment device 30 includes a first baffle 301 , and a second parallel and oppositely disposed first baffle 301 . The baffle 302, the transport drive motor 303, the transmission portion 304, the manual adjustment portion 305, and the clamping portion 306. The first baffle 301 and the second baffle 302 have similar appearance shapes, and each has a long strip shape. The first flap 301 and the second flap 302 extend in the X-axis direction. The first baffle 301 also includes an outer surface 314 and an inner surface 315. The first baffle 301 and the second baffle 302 are used to mount the transport drive motor 303, the transmission portion 304, and the manual adjustment portion 305. And the transport drive motor 303 is mounted on the first end 320 of the outer surface 314 of the first baffle 301.

The transmission portion 304 includes two driving wheels 341, a driving shaft 343 connecting the two driving wheels 341, two driven wheels 342, and a first connection between each of the driving wheels 341 and a driven wheel 342 corresponding thereto. Belt 344. One end of the first baffle 301 and the second baffle 302 away from the receiving device 40 is defined as a first end portion 320, and the other end of the receiving device 40 is a second end portion 321 . Between the two driving wheels 341 and the two driving wheels 341 The drive shaft 343 is disposed at the first end portion 320, wherein one of the drive wheels 341 is mounted on the inner surface 315 of the first baffle 301, and the other drive wheel 341 is mounted on the second baffle 302. The drive shaft 343 is coupled to the conveyance drive motor 303. Two driven wheels 342 are respectively disposed at the second end portion 321 , wherein one driven wheel 342 is mounted on the inner surface 315 of the first baffle 301 , and the other driven wheel 342 is mounted on the second baffle 302 , each first The belt 344 is sleeved on the driving wheel 341 and the driven wheel 342 on the same baffle. When the conveying drive motor 303 is opened, the rotation of the driving wheel 341 on the driving shaft 343 is driven to drive the movement of the first belt 344 and the driven wheel 342, so that the circuit board to be printed is transported along the X-axis direction under the conveyance of the first belt 344. transmission. The first baffle 301 and the second baffle 302 respectively have a first upper baffle 312 and a second upper baffle 313. The first upper baffle 312 and the second upper baffle 313 are respectively located at the first baffle 301, The second baffle 302 is away from the upper surface 102. When the circuit board is transported on the first belt 344, the first upper baffle 312 and the second upper baffle 313 act on the circuit board so that the circuit board does not shift.

The manual adjustment portion 305 includes a manual wheel 351, a screw 352, a protruding member 310, and a fitting member 311. The manual wheel 351 is mounted in the middle of the first baffle 301 near the upper surface 102 of the chassis. The lead screw 352 is mechanically coupled to the first baffle 301 and the second baffle 302. Two elongated strips 310 are disposed on one side of the first baffle 301 near the upper surface 102, and the protruding members 310 are disposed perpendicular to the first baffle 301. Two engaging members 311 are disposed on one side of the second baffle 302 near the upper surface 102. Each of the protruding members 310 and one of the fitting members 311 correspond to each other. Each of the engaging members 311 and the protruding member 310 is formed with a groove on one side thereof, and the two engaging members 311 are respectively matched with the two protruding members 310 on the first baffle 301 to form a groove shape. Matching members 311. In the actual production process, when the manual wheel 351 is manually adjusted to move clockwise or counterclockwise, the screw 352 drives the second baffle 302. The body relies on the movement of the engaging member 311 along the corresponding protruding member 310 toward or away from the first baffle 301, thereby adjusting the length of the protruding member 310 received in the engaging member 311 to reach the first belt 344 of the adjusting transmission portion 304. The distance between them.

The clamping portion 306 is located at the second end portion 321 of the conveying adjustment device. The clamping portion 306 includes a second driving wheel 361, a second driven wheel 362, a first roller 363, a second roller 364, a second belt 365, and a support frame 366. . The second driving wheel 361 is located on the outer surface 314 of the second end portion 321 of the first baffle 301, and the second driving wheel 361 is mechanically coupled to the driven wheel 342 located on the inner surface 315 of the first baffle 301 via a transmission shaft. The second driven wheel 362 is also located on the outer surface 314 of the second end portion 321 of the first baffle 301, and the second driven wheel 362 and the second driving wheel 361 are connected by a second belt 365. The support frame 366 includes a support plate 367 and two fixing blocks 368 mounted on the upper surface 102, wherein one fixing block 368 is mounted on the first baffle 301, and the other fixing block 368 is mounted on the support plate 367. The two fixing blocks 368 are each provided with a groove for supporting the second roller 364. The first roller 363 is coaxial with the second driven wheel 362, and one end of the mechanical connection of the first roller 363 and the second driven wheel 362 is mounted on the first baffle 301. The other end is rotatably mounted on the support plate 367 with respect to the support plate 367. The second roller 364 is mounted on the two fixing blocks 368. A gap is left between the first roller 363 and the second roller 364, which allows the printed circuit board to pass. The board remains parallel to the XY plane as the board passes between the gaps. The upper surface of the first belt 344 and the gap between the first roller 363 and the second roller 364 are substantially in the same plane, and the position therebetween is such that when the circuit board is transferred to the trailing end of the second end portion 321, the circuit The plate can smoothly enter the gap between the first roller 363 and the second roller 364 and continue to be conveyed. When the driven wheel 342 rotates, the second driving wheel 361 rotates synchronously, in the second skin With the belt 365, the second driven wheel 362 also rotates, so that the first roller 363 also rotates. When the circuit board enters the gap, under the clamping of the first roller 363 and the second roller 364, the circuit board keeps advancing until the circuit board completely passes through the clamping portion 306, and vertically depends on the gravity of the circuit board itself. Into the receiving device 40.

Referring to FIG. 1 , FIG. 5 and FIG. 6 , the receiving device 40 includes a mounting plate 401 , two lifting platforms 402 , two first drivers 403 , a second driver 412 , a first sliding rail 431 , and a first sliding slot 420 . The second slide rail 404 and the second sliding slot 421. In this embodiment, the two first slide rails 431 are mounted on the first side surface 103 and extend along the Y-axis direction. The first slide rail 431 is for mating with the receiving device 40. The mounting plate 401 is substantially flat and is disposed parallel to the XZ plane. The mounting plate 401 has a first surface 410 opposite the first side 103 and a second surface 413 opposite the first side 103. Four first sliding slots 420, which cooperate with the two first sliding rails 431, are mounted on the first surface 410. The first sliding slots 420 extend in the Y-axis direction, and each of the two first sliding slots 420 and each first The slide rail 431 is fitted. The second driver 412 is for driving the mounting plate 401 to generate a movement in the Y-axis direction. In the present embodiment, the second driver 412 is a cylinder that is mounted on the first side 103 of the chassis 10. The mounting plate 401 is coupled to the second driver 412, and the mounting plate 401 is moved along the first rail 431 in the Y-axis direction under the push of the second driver 412. Four second slide rails 404 are disposed on the second surface 413 of the mounting plate 401. The second slide rail 404 is disposed along the Z-axis direction. Each of the two second rails 404 is for mating with a lifting platform 402.

Each of the lifting platforms 402 further has a third surface 416 opposite to the second surface 413 of the mounting plate 401. Four third sliding grooves 421 are disposed on the third surface 416 along the Z-axis direction, and each of the two second sliding grooves 421 A second slide rail 404 is mated. The first driver 403 is fixed at On the mounting plate 401, the first driver 403 has a telescopic rod 422, and the telescopic rod 422 is connected to the lifting platform 402. The first driver 403 is connected to the control system in the casing 10. Under the driving of the first driver 403, the telescopic rod 422 is telescoped, thereby driving the lifting platform 402 to move along the Z axis. Each lifting platform 402 also includes a carrier plate 411 for carrying the circuit board parallel to the XY plane. There is an elliptical hole 405 in the center of the carrier plate 411. A sensor (not shown) is mounted in the elliptical hole 405 and electrically connected to the chassis control system. The control system issues an instruction and controls the switching of the lifting state of the lifting platform 402, so that the circuit board conveyed by the clamping portion 306 can be cleaned up in time without interruption. Each lift table 402 is moved in the Z-axis direction along the second slide rail 404 by the drive of its corresponding first drive 403. When the sensor in the elliptical hole 405 senses that there is no circuit board on one of the lifting platforms 402, the lifting platform 402 is raised in the state of being driven by the corresponding first driver 403. At the same time, another lifting platform 402 will move below one end of the clamping portion 306. Thereby, it is possible to ensure that the circuit board is received into the receiving device without interruption during the production process.

Each lifting platform 402 also has a baffle 430. The baffle 430 is away from the clamping portion 306 and perpendicular to the surface of the carrier plate 411 for use when the circuit board is automatically retracted onto the lifting platform 402. Ensure that the boards are neatly stacked on the lifting platform 402.

The automatic inkjet printing machine provided by the technical solution can perform the printing of the circuit board by adopting the following method: manually or mechanically placing the circuit board to be printed on the first belt 344 of the conveying adjustment device 30, and transmitting to the printing. Printing is performed below the print head 21 of the apparatus 20. After the printing is completed, the circuit board continues to be conveyed on the first belt 344, and when it is conveyed to the second end portion 321 of the conveyance adjusting device 30, it enters the holding portion 306 of the conveyance adjusting device 30. At the first roller 363 and the second roller 364 of the clamping portion 306 With the clamp, the board continues to move forward. Until the board leaves the nip 306 completely, the board just falls on the lifting platform 402 of the receiving device 40. When the circuit board on one of the lifting platforms 402 is received, the sensor in the carrying board 411 senses and transmits the signal to the control system, and the lifting platform 402 is driven along the Z axis by the driving of the first driver 403, thereby The board that is transferred from the nip 306 can be dropped into the receiving device without interruption. Such two lifting tables 402 move back and forth to achieve continuous and continuous printing operations.

Compared with the prior art, in the technical solution, the automatic printer realizes automatic transmission and automatic receipt. The circuit board is automatically conveyed to the bottom of the printing device by the conveying adjustment device, and the nozzle prints the circuit board. After the printing is completed, the circuit board continues to be conveyed on the conveying adjustment device, and falls into the receiving material at the clamping of the conveying adjusting device. Device. And in the state of alternate operation of the lifting device of the receiving device, the uninterrupted receiving operation is realized.

However, the above description is only a preferred embodiment of the present invention, and it is not possible to limit the scope of the patent application of the present invention. Equivalent modifications or variations made by persons skilled in the art in light of the spirit of the invention are intended to be included within the scope of the following claims.

100‧‧‧Automatic printer

10‧‧‧Chassis

101‧‧‧ Carrier

102‧‧‧ upper surface

103‧‧‧ first side

104‧‧‧Human Machine Interface Operating Device

105‧‧‧Alarm device

20‧‧‧Printing device

21‧‧‧Print head

22‧‧‧ Mounting bracket

221‧‧‧ bearing surface

23‧‧‧Printing controller

24‧‧‧Spray holder

241‧‧‧ Fixed Department

242‧‧‧Installation Department

Claims (6)

An automatic printer for printing a printed circuit board, the automatic printer comprising: a casing having a casing, the casing being internally provided with a control system, the internal control system being used for Controlling the operation of the automatic printing mechanism, the casing has mutually perpendicular sides and an upper surface; and a conveying adjustment device is disposed on the upper surface of the casing for conveying the to-be-printed circuit board to be sprayed Printing and printing the completed circuit board, the conveying adjustment device further comprises a transmission portion and a clamping portion, the transmission portion comprises two driving wheels, a driving shaft connecting the two driving wheels, two driven wheels, and being connected a first belt between the driving wheel and a driven wheel corresponding thereto, and a conveying drive motor for carrying and conveying a circuit board to be printed, the driving shaft and the conveying a driving motor connection for driving the driving shaft to rotate, thereby causing movement of a circuit board on the belt, the clamping portion comprising a second driving wheel, a second driven wheel, a second belt, a first roller and a second roller The first roller and the second roller are disposed in parallel with each other, the second driving wheel and the one of the driven wheels are mechanically connected, the first roller and the second driven wheel are coaxially and mechanically connected, and the second belt sleeve Engaging on the second driving wheel and the second driving wheel, the second driving wheel is configured to rotate under the driving of the one driven wheel, thereby driving the second driven wheel to rotate with the first roller. Passing a circuit board conveyed by the transport adjustment device between the first roller and the second roller; a printing device connected to the control system, the printing device The printing head includes a printing head opposite to the conveying adjustment device for printing a circuit board to be printed on the conveying adjustment device, and a receiving device disposed on a side of the casing and Located on one side of the conveying adjustment device, the receiving device includes at least one lifting platform and at least one first driver mechanically coupled to the lifting platform, the lifting platform is for carrying a circuit board, and the first driver is The driving platform is lifted and lowered to receive the circuit board conveyed from the conveying adjustment device. The automatic printer according to claim 1, wherein the receiving device comprises two lifting platforms and two first drivers, each of the lifting platforms being driven by the first driver Moves perpendicular to the direction of the upper surface. The automatic printer according to claim 2, wherein the receiving device further comprises a second driver for driving the two lifting platforms to be parallel to the side and perpendicular Movement in the direction of transmission of the board such that the two elevators are alternately located adjacent one end of the conveyor adjustment device. The automatic printer according to claim 2, wherein each of the lifting platforms further comprises a carrier board for carrying a circuit board, the carrier board is provided with an inductor, and the sensor is connected to the The internal control system is configured to sense the presence or absence of a circuit board on the carrier board, and transmit the sensing signal to a control system, and the control system controls the corresponding lifting platform to perform an ascending or descending motion. The automatic printer according to claim 2, wherein each of the lifting platforms further comprises a baffle plate, the baffle plate being remote from the conveying adjustment device and perpendicular to the lifting platform, the block The material plate is used to limit the board that is transferred from the conveyor adjustment device. The automatic printer according to claim 1, wherein the conveying adjustment The device further includes a first baffle, a second baffle disposed in parallel with the first baffle, and a manual adjustment portion, wherein the manual adjustment portion includes a manual wheel, a screw rod, a protruding member and a fitting member, the protruding member is vertical The first baffle is disposed on a side opposite to the second baffle, and the mating member is disposed on a side of the second baffle near the first baffle, the mating member and the first Corresponding to the protruding members on a baffle, each of the engaging members and the protruding member are formed with a groove on one side thereof, the screw rod and the manual wheel are connected to each other and mechanically connected to the first baffle and a second baffle, the manual wheel is configured to rotate, such that the lead rod drives the second baffle along the protruding member to approach or away from the first baffle.