CN214563882U - Ink-jet printer for printed circuit board and clamping device thereof - Google Patents

Abstract

The utility model provides an ink jet printer for printed circuit board and clamping device thereof, include: the clamping base is provided with a movable guide rail; and the clamping cylinder is fixedly provided with a clamping plate for clamping the circuit board substrate and a guide rail base matched with the movable guide rail in shape, and the guide rail base is connected with the movable guide rail in a sliding manner. Through the technical scheme of the utility model, can improve printing efficiency, can also carry out the centre gripping to not unidimensional circuit board base plate fast, improve clamping device's use flexibility.

Description

Ink-jet printer for printed circuit board and clamping device thereof

Technical Field

The utility model belongs to the technical field of the circuit board printing, especially, relate to an ink jet printer for printed circuit board and clamping device thereof.

Background

The existing ink-jet printer is characterized in that a size adjusting plate is arranged on the printer, a circuit board substrate is placed on the size adjusting plate to be fixed, the circuit board substrate on the size adjusting plate needs to be manually replaced during circuit printing, the printing efficiency is too low, and the position of the size adjusting plate needs to be adjusted in a certain time to adapt to the circuit board substrate when the circuit board substrates with different sizes are printed, so that the use is not flexible enough.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned defect or not enough of prior art, the utility model provides an ink jet printer for printed circuit board and clamping device thereof can improve printing efficiency, can also carry out the centre gripping to not unidimensional circuit board base plate fast, improves clamping device's use flexibility.

In order to achieve the above object, the present invention provides a clamping device for a printed circuit board ink jet printer, comprising: the clamping base is provided with a movable guide rail; and the clamping cylinder is fixedly provided with a clamping plate for clamping the circuit board substrate and a guide rail base matched with the movable guide rail in shape, and the guide rail base is connected with the movable guide rail in a sliding manner.

The embodiment of the utility model provides an in, the surface protrusion that contacts with the circuit board base plate on the grip block is provided with the bearing board that is used for bearing the circuit board base plate to make the upper surface of circuit board base plate flush with the up end of grip block.

The embodiment of the utility model provides an in, the centre gripping base is provided with the scale along the moving direction of guide rail base.

The embodiment of the utility model provides an in, be fixed with the base driving piece of being connected with the movable guide rail on the centre gripping base, base driving piece drive guide rail base removes on the movable guide rail.

The utility model discloses an in the embodiment, clamping device includes control module, and control module is connected with centre gripping cylinder, base driving piece electricity to control centre gripping cylinder centre gripping circuit board base plate, control base driving piece drive guide rail base remove on removing the guide rail.

The utility model discloses an in the embodiment, one side that bearing board and grip block are connected is provided with convex connecting block, and the grip block offers the spout of being connected with the connecting block adaptation in circuit board base plate thickness direction.

The utility model discloses an in the embodiment, be provided with in the connection spout and be connected and make the connecting block along the jacking lead screw that is connected the spout and removes with the connecting block, the bottom of grip block is provided with the drive knob who is connected with the jacking lead screw.

The utility model discloses an in the embodiment, be provided with in the connection spout and be connected and make the connecting block along the jacking lead screw that is connected the spout and removes with the connecting block, the fixed surface that grip block and centre gripping cylinder are connected has driving motor, and driving motor passes through the gear train and is connected with the jacking lead screw.

The utility model discloses an in the embodiment, be connected with the motor protection casing of wrapping up around driving motor on the grip block.

In the embodiment of the utility model provides an in, still provide an inkjet printer for printed circuit board, including foretell a clamping device for printed circuit board inkjet printer.

Through the technical scheme, the embodiment of the utility model provides an ink jet printer for printed circuit board and clamping device thereof has following beneficial effect:

the time required for directly clamping and positioning the circuit board substrate by the clamping cylinder is shorter, so that the printing efficiency of the circuit board substrate is improved, circuit board substrates with different sizes can be clamped, and the clamping device is more flexibly used.

Other features and advantages of the present invention will be described in detail in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide an understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention, but do not constitute a limitation of the invention. In the drawings:

FIG. 1 is a schematic perspective view of an ink jet printer for printed circuit boards according to one embodiment of the present invention;

fig. 2 is a schematic view of a partial structure of an inkjet printer for a printed circuit board according to an embodiment of the present invention;

fig. 3 is a schematic view of a first partial structure of a conveyor in an ink jet printer for printed circuit boards according to an embodiment of the present invention;

fig. 4 is a schematic view of a first partial structure of a clamping device in an ink jet printer for a printed circuit board according to an embodiment of the present invention;

fig. 5 is a second partial structural view of a clamping device in an ink jet printer for a printed circuit board according to an embodiment of the present invention;

fig. 6 is a block diagram of a positioning device in an ink jet printer for printed circuit boards according to an embodiment of the present invention;

fig. 7 is a schematic view of a first partial structure of a printing device in an inkjet printer for a printed circuit board according to an embodiment of the present invention;

fig. 8 is a schematic view of a second partial structure of a printing device in an inkjet printer for printed circuit boards according to an embodiment of the present invention;

fig. 9 is a block diagram of a clamping device in an ink jet printer for printed circuit boards according to an embodiment of the present invention;

fig. 10 is a schematic view of a first partial structure of a positioning device of an inkjet printer for a printed circuit board according to an embodiment of the present invention;

fig. 11 is a second partial structural diagram of a positioning device of an inkjet printer for a printed circuit board according to an embodiment of the present invention.

Description of the reference numerals

1 transfer device 2 gripping device

3 positioning device 4 printing device

5 Circuit Board substrate

11 conveying base 12 conveying belt

13 charging clamp 14 pushing plate

15 correcting plate 16 pushing plate driving piece

111 mounting base plate 112 mounting hole

121 antislip strip

131 through hole 132 second roller

141 first roller

21 clamping base and 22 clamping cylinder

23 clamping plate 24 bearing plate

25 control module

211 moving guide 212 graduated scale

213 base driving member

231 connecting sliding groove 232 jacking screw rod

233 drive motor 234 motor shield

241 connecting block

31 identification module 32 feedback module

33 control screen

311 camera 312 infrared sensor

313 photoresistor 314 laser sensor

321 memory cell 322 comparison unit

41 printing cart 42 ink box

43 printing head 44 trolley guide rail

45 drive belt 46 belt drive motor

47 etching water tank 48 oscillating motor

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are for purposes of illustration and explanation only and are not intended to limit the present invention.

An ink jet printer for a printed circuit board according to the present invention is described below with reference to the accompanying drawings.

FIG. 1 is a schematic perspective view of an ink jet printer for printed circuit boards according to an embodiment of the present invention. In an embodiment of the present invention, an inkjet printer for a printed circuit board is provided, which includes a conveying device 1, a clamping device 2, a positioning device 3, and a printing device 4, which are linearly arranged in sequence;

the conveying device 1 is used for conveying the circuit board substrate 5 to the clamping device 2, the clamping device 2 is used for positioning and clamping the circuit board substrate 5 to the positioning device 3, and the printing device 4 is used for printing the circuit board substrate 5.

The conveying device 1, the clamping device 2, the positioning device 3 and the printing device 4 are sequentially arranged along a straight line, so that a circuit board substrate 5 to be printed can be placed on the conveying device 1, the conveying device 1 conveys the circuit board substrate 5 to pass through the clamping device 2, the clamping device 2 clamps the circuit board substrate 5, when the clamping device 2 clamps the circuit board substrate 5 to the positioning device 3, the positioning device 3 determines the position of the circuit board substrate 5, after the positioning device 3 positions the circuit board substrate 5, the clamping device 2 adjusts the position of the circuit board substrate 5 according to the positioning result of the positioning device 3, after the position of the circuit board substrate 5 is adjusted, the clamping device 2 clamps the circuit board substrate 5 to the position of the printing device 4, the printing device 4 prints the circuit board substrate 5, and a circuit pattern is printed on the circuit board substrate 5, by circulating in this way, the full-automatic printing of the circuit board substrate 5 can be realized, and compared with manual silk-screen printing equipment in the prior art, the silk-screen printing efficiency is higher, and the labor cost is reduced.

Fig. 2 is a schematic partial structure diagram of an inkjet printer for a printed circuit board according to an embodiment of the present invention. Fig. 3 is a schematic view of a first partial structure of a conveying device in an inkjet printer for printed circuit boards according to an embodiment of the present invention. As shown in fig. 2-3, in the embodiment of the utility model, conveyer 1 includes conveying base 11 and conveyer belt 12, and conveyer belt 12 sets up on conveying base 11, conveys circuit board base plate 5 through conveyer belt 12, and is more steady when can guaranteeing to convey circuit board base plate 5, more does benefit to clamping device 2 and fixes a position 3 departments of circuit board base plate 5 centre gripping to positioner on with conveyer belt 12, reasonable in design, improvement conveying efficiency.

The utility model discloses an in the embodiment, install the clamp 13 of feeding that is used for loading circuit board base plate 5 on the conveying base 11, the position of the clamp 13 of feeding corresponds with conveyer belt 12, and one side of the clamp 13 bottom of feeding is provided with and feeds and presss from both sides 13 sliding connection catch plate 14, and the through-hole 131 that supplies circuit board base plate 5 to wear out is seted up to the opposite side, and conveyer belt 12 conveys the circuit board base plate 5 of wearing out from through-hole 131.

By installing the loading clamp 13 on the conveying base 11, an operator can load the circuit board substrates 5 to be printed into the loading clamp 13, so that the circuit board substrates 5 are stored in the loading clamp 13 in a stacking manner and form primary positioning for the circuit board substrates 5, a push plate 14 is arranged on one side of the bottom end of the loading clamp 13, and a through hole 131 through which the circuit board substrates 5 penetrate is formed in the other side of the bottom end of the loading clamp 13, so that the circuit board substrates 5 stored at the bottommost end of the loading clamp 13 can be pushed out from the through hole 131 under the pushing of the push plate 14, the pushed circuit board substrates 5 fall onto a conveyor belt 12 and are conveyed to a clamping device 2 by the conveyor belt 12, and the positioning plate is accurately positioned by combining the positioning device 3 and the clamping device 2.

Compared with the manual positioning mode of the printing equipment in the prior art, the position and the angle of the circuit board substrate 5 which is pushed out from the through hole 131 and falls onto the conveyor belt 12 are basically the same, so that the circuit board is more favorably clamped by the clamping device 2 from the conveyor belt 12 and accurately positioned by the positioning device 3, the time required by positioning the circuit board substrate 5 is shortened, and the printing efficiency is improved.

When the circuit board substrates 5 in the same batch have differences in size, the printed circuit patterns are inaccurate in position after being printed by the printing equipment in the prior art, and the printing yield is affected.

If the circuit board substrates 5 are directly placed on the conveyor belt 12 for conveying, the positions and angles of the circuit board substrates 5 placed on the conveyor belt 12 cannot be kept consistent, so that a certain time is required to adjust the positions of the circuit board substrates 5 subsequently, and the printing efficiency is affected.

The utility model discloses an in the embodiment, through setting up the charging clip 13 in conveyer belt 12 top to supply to place circuit board base plate 5, consequently can save the operation to 5 primary location of circuit board base plate, save circuit board base plate 5's positioning time, and under follow-up clamping device 2 and 3 mating reaction of positioner, can realize the accurate location to circuit board base plate 5, consequently also can not cause the influence to the accurate location of circuit board base plate 5 when 5 sizes of circuit board base plate of same batch have the difference, it is stronger to use the flexibility.

Fig. 4 is a schematic view of a first partial structure of a clamping device in an inkjet printer for a printed circuit board according to an embodiment of the present invention. Fig. 5 is a second partial structural diagram of a clamping device in an inkjet printer for a printed circuit board according to an embodiment of the present invention. As shown in fig. 4-5, in the embodiment of the present invention, the clamping device 2 includes a clamping base 21 and a clamping cylinder 22, the clamping cylinder 22 is symmetrically disposed on two opposite sides of the clamping base 21, and a clamping plate 23 for clamping the circuit board substrate 5 is fixed on the clamping cylinder 22.

Through the clamping cylinders 22 symmetrically arranged at both sides of the clamping base 21 and the clamping plate 23 on the clamping cylinder 22 to clamp the circuit board substrate 5 on the conveyor belt 12, the clamping cylinder 22 can clamp and position the circuit board substrate 5, compared with the positioning mode of the prior art that the printing equipment sets the size adjusting plate on the printer, the time required for directly clamping the circuit board substrate 5 by the clamping cylinder 22 to position is shorter, thereby improving the printing efficiency of the circuit board substrate 5, and when positioning the circuit board substrates 5 with different sizes, the prior printing equipment can position the circuit board substrate 5 with the corresponding size by adjusting the position of the size adjusting plate, and in the utility model, the circuit board substrates 5 with different sizes can be clamped by the two clamping cylinders 22 symmetrically arranged, the use is more flexible.

It can be understood that the conveying belt 12 is used for intermittently conveying the circuit board substrates 5, the pushing plate 14 is used for intermittently pushing the circuit board substrates 5 in the loading clamp 13, and the conveying belt 12 stops conveying the circuit board substrates 5 until the positions of the clamping devices 2 correspond, so that the clamping cylinders 22 can conveniently clamp the circuit board substrates 5.

Further, the centre gripping cylinder 22 is controlled by external controller, when carrying out the centre gripping location to same batch circuit board base plate 5, the stroke that the controller control centre gripping cylinder 22 was centre gripping circuit board base plate 5 every time is the same, thereby realize the centre gripping location to every circuit board base plate 5, when circuit board base plate 5's size is different, then the stroke of accessible controller to centre gripping cylinder 22 is adjusted, so that the stroke of centre gripping cylinder 22 centre gripping and the 5 size adaptations of circuit board base plate that correspond the size, thereby carry out the centre gripping location to circuit board base plate 5.

In the embodiment of the present invention, the surface protrusion of the clamping plate 23 contacting the circuit board substrate 5 is provided with the supporting plate 24 for supporting the circuit board substrate 5, so that the upper surface of the circuit board substrate 5 is flush with the upper end surface of the clamping plate 23.

When the circuit board substrate 5 is clamped by the clamping plate 23, the circuit board substrate 5 is supported on the supporting plate 24, and the upper surface of the circuit board substrate 5 is flush with the upper end surface of the clamping plate 23, so that when the circuit board substrate 5 is printed by the printing device 4, the printing device 4 can be effectively contacted with the circuit board substrate 5, the printing quality of circuit patterns is improved, and meanwhile, the clamping plate 23 can be prevented from influencing the printing path of the printing device 4.

Fig. 6 is a schematic block diagram of a positioning device of an inkjet printer for a printed circuit board according to an embodiment of the present invention. As shown in fig. 6, in the embodiment of the present invention, the positioning device 3 includes an identification module 31 and a feedback module 32; the recognition module 31 recognizes the position of the circuit board substrate 5, the feedback module 32 is electrically connected with the recognition module 31 and the clamping device 2, the feedback module 32 feeds back the position of the circuit board substrate 5 recognized by the recognition module 31 to the clamping device 2, and the clamping device 2 adjusts the position of the circuit board substrate 5 according to the feedback of the feedback module 32.

When the clamping device 2 clamps the circuit board substrate 5 to the positioning device 3, the position of the circuit board substrate 5 is identified through the identification module 31, the feedback module 32 feeds the position of the circuit board substrate 5 back to the clamping device 2 according to the identification result of the identification module 31, and then the clamping device 2 adjusts the position of the circuit board substrate 5 according to the feedback of the feedback module 32, so as to realize the accurate positioning of the circuit board substrate 5, so that when the printing device 4 prints the circuit board substrate 5, the accurate printing of a circuit pattern on the surface of the circuit board substrate 5 can be ensured, and the printing yield of the circuit board substrate 5 is improved.

When the circuit board substrates 5 with different sizes are positioned, the position of the circuit board substrate 5 is identified through the identification module 31, the position of the circuit board substrate 5 is fed back through the feedback module 32, and the clamping device 2 adjusts the position of the circuit board substrate 5 according to the feedback, so that the circuit board substrates 5 with different sizes are positioned, and the printing yield is improved.

In the embodiment of the present invention, the feedback module 32 includes a storage unit 321 for storing the position of the circuit board substrate 5 and a comparison unit 322 for comparing whether the position of the circuit board substrate 5 identified by the identification module 31 corresponds to the stored position of the circuit board substrate 5.

The position of the circuit board substrate 5 is prestored through the storage unit 321, after the identification module 31 identifies the position of the circuit board substrate 5, whether the identified position of the circuit board substrate 5 corresponds to the stored position of the circuit board substrate 5 through the comparison unit 322 is judged, and when the position of the circuit board substrate 5 is inconsistent with the stored position of the circuit board substrate 5, the clamping angle and the position of the circuit board substrate 5 are adjusted in real time by the clamping device 2 according to the comparison result of the comparison unit 322, so that the position of the circuit board substrate 5 is consistent with the stored position of the circuit board substrate 5, accurate positioning of the circuit board substrate 5 is achieved, and the printing yield is improved.

Fig. 7 is a schematic view of a first partial structure of a printing device in an inkjet printer for a printed circuit board according to an embodiment of the present invention. As shown in fig. 7, in the embodiment of the present invention, the printing device 4 includes a printing cart 41 and an ink cartridge 42 disposed on the printing cart 41, and the ink cartridge 42 is provided with a printing head 43.

The ink box 42 is carried by the printing trolley 41, and the ink box 42 is filled with ink, and the printing nozzle 43 is arranged on the ink box 42, so that when the clamping device 2 clamps the circuit board substrate 5 to the printing device 4, the ink is sprayed on the circuit board substrate 5 through the printing nozzle 43, and the printing on the circuit board substrate 5 is completed.

It can be understood that the print carriage 41 is connected to a print controller, and the circuit pattern stored in the computer is sent to the print controller, so that the print controller can control the print carriage 41 to move according to the track of the circuit pattern, so as to print the circuit pattern on the circuit board substrate 5.

In the embodiment of the present invention, the printing device 4 further includes a carriage guide 44 for moving the printing carriage 41, and the moving guide 211 crosses the width direction of the conveyor belt 12.

When printing, the clamping device 2 clamps the circuit board substrate 5 to a position corresponding to the printing nozzle 43, the printing carriage 41 reciprocates on the carriage guide rail 44, and the clamping device 2 clamps the circuit board substrate 5 and moves along the longitudinal direction of the conveyor 12, thereby printing the circuit pattern on the surface of the circuit board substrate 5.

In the embodiment of the utility model, printing dolly 41 is connected with drive belt 45, and drive belt 45 is connected with belt drive motor 46, and belt drive motor 46 drive belt 45 is rotatory to make drive belt 45 drive printing dolly 41 and move on dolly guide rail 44, thereby make printing shower nozzle 43 with printing ink spraying on circuit board substrate 5.

Fig. 8 is a schematic diagram of a second partial structure of a printing device in an inkjet printer for a printed circuit board according to an embodiment of the present invention. As shown in fig. 8, in the embodiment of the present invention, the inkjet printer further includes an etching water tank 47 and an oscillation motor 48 disposed on an outer wall of the etching water tank 47, and the etching water tank 47 is disposed behind the printing device 4.

By arranging the etching water tank 47 behind the printing device 4, etching liquid medicine is stored in the etching water tank 47, after the circuit board substrate 5 is printed, the circuit board substrate 5 is clamped to the etching water tank 47 through the clamping device 2, the clamping of the circuit board substrate 5 is removed, the circuit board substrate 5 falls into the etching water tank 47, the circuit pattern on the circuit board substrate 5 is corroded by the etching liquid medicine to form a conductive circuit, the oscillating motor 48 is arranged outside the etching water tank 47, the etching liquid medicine in the etching water tank 47 is driven to flow by the vibration of the oscillating motor 48, the etching speed of the etching liquid medicine on the circuit board substrate 5 is accelerated, and the etching efficiency is improved.

As shown in fig. 2 to 3, in an embodiment of the present invention, there is also provided a conveying device 1 of a printed circuit board inkjet printer, including:

a transfer base 11; and

a conveyor belt 12 disposed on the conveyor base 11;

the conveying base 11 is provided with a loading clamp 13 for loading the circuit board substrates 5, the loading clamp 13 corresponds to the conveying belt 12 in position, one side of the bottom end of the loading clamp 13 is provided with a pushing plate 14 which is connected with the loading clamp 13 in a sliding mode, the other side of the bottom end of the loading clamp 13 is provided with a through hole 131 through which the circuit board substrates 5 penetrate, and the conveying belt 12 conveys the circuit board substrates 5 penetrating out of the through hole 131.

Conveying circuit board base plate 5 through conveyer belt 12 can guarantee more steadily when conveying circuit board base plate 5, more do benefit to clamping device 2 and fix a position 5 centre gripping of circuit board base plate on conveyer belt 12 to 3 departments of positioner, reasonable in design improves conveying efficiency.

By installing the loading clamp 13 on the conveying base 11, an operator can load the circuit board substrates 5 to be printed into the loading clamp 13, so that the circuit board substrates 5 are stored in the loading clamp 13 in a stacking manner and form primary positioning for the circuit board substrates 5, a push plate 14 is arranged on one side of the bottom end of the loading clamp 13, and a through hole 131 through which the circuit board substrates 5 penetrate is formed in the other side of the bottom end of the loading clamp 13, so that the circuit board substrates 5 stored at the bottommost end of the loading clamp 13 can be pushed out from the through hole 131 under the pushing of the push plate 14, the pushed circuit board substrates 5 fall onto a conveyor belt 12 and are conveyed to a clamping device 2 by the conveyor belt 12, and the positioning plate is accurately positioned by combining the positioning device 3 and the clamping device 2.

Compared with the manual positioning mode of the printing equipment in the prior art, the position and the angle of the circuit board substrate 5 which is pushed out from the through hole 131 and falls onto the conveyor belt 12 are basically the same, so that the circuit board is more favorably clamped by the clamping device 2 from the conveyor belt 12 and accurately positioned by the positioning device 3, the time required by positioning the circuit board substrate 5 is shortened, and the printing efficiency is improved.

When the circuit board substrates 5 in the same batch have differences in size, the printed circuit patterns are inaccurate in position after being printed by the printing equipment in the prior art, and the printing yield is affected.

If the circuit board substrates 5 are directly placed on the conveyor belt 12 for conveying, the positions and angles of the circuit board substrates 5 placed on the conveyor belt 12 cannot be kept consistent, so that a certain time is required to adjust the positions of the circuit board substrates 5 subsequently, and the printing efficiency is affected.

The utility model discloses an in the embodiment, through setting up the charging clip 13 in conveyer belt 12 top to supply to place circuit board base plate 5, consequently can save the operation to 5 primary location of circuit board base plate, save circuit board base plate 5's positioning time, and under follow-up clamping device 2 and 3 mating reaction of positioner, can realize the accurate location to circuit board base plate 5, consequently also can not cause the influence to the accurate location of circuit board base plate 5 when 5 sizes of circuit board base plate of same batch have the difference, it is stronger to use the flexibility.

The utility model discloses an in the embodiment, conveyer 1 sets up in the correcting plate 15 of the relative both sides of conveying base 11 including the symmetry, correcting plate 15 and conveyer belt 12 laminating, thereby circuit board base plate 5 conveys when the position of correcting plate 15 at conveyer belt 12, circuit board base plate 5 and correcting plate 15 contact, and correct the position of circuit board base plate 5 under the contact of correcting plate 15, in order to guarantee to keep unanimous from correcting plate 15 circuit board base plate 5 positions after the department of warp at every turn, save follow-up positioner 3's positioning time, improve positioner 3's location precision.

The embodiment of the utility model provides an in, correcting plate 15 rotates with conveying base 11 to be connected, can make correcting plate 15 rotate with the distance between two correcting plates 15 of adjustment along the direction that conveyer belt 12 is parallel to when printing circuit board base plate 5 to unidimensional, can be according to circuit board base plate 5's rotatory correcting plate 15 of size, make distance between two correcting plates 15 and circuit board base plate 5's size adaptation, and correct circuit board base plate 5's position, improve conveyer 1's use flexibility.

The utility model discloses an in the embodiment, conveyer belt 12 surface interval arrangement has bellied antislip strip 121, and circuit board base plate 5 from feeding to press from both sides 13 in fall into conveyer belt 12 on the back, bear circuit board base plate 5 by antislip strip 121 to prevent that the position that leads to circuit board base plate 5 when conveyer belt 12 conveys circuit board base plate 5 from changing, improve conveyer belt 12 conveying circuit board base plate 5's stability.

The embodiment of the utility model provides an in, the length of antislip strip 121 is less than the length of circuit board base plate 5 to when conveyer belt 12 conveys circuit board base plate 5, make circuit board base plate 5 produce the clearance between antislip strip 121 length direction both ends and conveyer belt 12, thereby when circuit board base plate 5 passes through correcting plate 15, more do benefit to correcting plate 15 and carry out the position correction to circuit board base plate 5.

The utility model discloses an in the embodiment, the thickness of catch plate 14 is less than the thickness of circuit board base plate 5 to when catch plate 14 promoted circuit board base plate 5, guarantee that catch plate 14 only promotes the circuit board base plate 5 that is located the bottommost layer of charging clamp 13 and falls into on conveyer belt 12 to through-hole 131 department and from through-hole 131, and can not promote other circuit board base plates 5, guarantee the stability of charging clamp 13 blanking.

In the embodiment of the present invention, the upper surface of the pushing plate 14 is provided with a plurality of first rollers 141, the bottom surface of the charging clamp 13 is provided with a plurality of second rollers 132, and when the pushing plate 14 pushes the circuit board substrate 5, the circuit board substrate 5 at the bottom contacts with the second rollers 132, and the circuit board substrate 5 adjacent to the second rollers contacts with the first rollers 141.

By arranging the first roller 141 on the upper surface of the pushing plate 14 and the second roller 132 on the ground of the loading clamp 13, after the circuit board substrates 5 are loaded into the loading clamp 13, the circuit board substrates 5 at the lowest end are in contact with the second roller 132, and when the pushing plate 14 pushes the circuit board substrates 5, the circuit board substrates 5 roll on the second roller 132 to reduce the friction between the circuit board substrates 5 and the loading clamp 13, and meanwhile, after the pushing plate 14 pushes the circuit board substrates 5 to move, one circuit board substrate 5 stacked on the circuit board substrates 5 is in contact with the first roller 141 and rolls on the first roller 141 along with the movement of the pushing plate 14 to reduce the friction between the circuit board substrates 5 and the pushing plate 14, so that the pushing plate 14 pushes the circuit board substrates 5 to move more smoothly.

The utility model discloses an in the embodiment, the outer wall of the clamp 13 of feeding is fixed with the catch bar driving piece 16 of being connected with catch bar 14 to make catch bar 14 promote circuit board base plate 5 and remove under the driving action of catch bar driving piece 16, thereby realize circuit board base plate 5's automatic blanking, improve conveying efficiency.

It can be understood that the pushing plate driving member 16 may be an air cylinder, and a connecting base connected to the air cylinder is disposed at an edge of the pushing plate 14, so that the air cylinder drives the pushing plate 14 to move relative to the loading clamp 13 when moving telescopically, so as to push the circuit board substrate 5 to fall onto the conveyor belt 12 from the loading clamp 13, thereby achieving automatic blanking.

In the embodiment of the present invention, the number of the charging clips 13 is plural and can be replaceably mounted on the conveying base 11, and the sizes of the different charging clips 13 are adapted to the circuit board substrates 5 with different sizes.

By arranging the plurality of loading clamps 13, the circuit board substrates 5 with different sizes can be loaded in the different loading clamps 13, so that after the loading clamps 13 are installed on the conveying base 11, the pushing plate 14 can push the circuit board substrates 5 in the loading clamps 13 and the circuit board substrates are conveyed by the conveying belt 12.

It can be understood that the base of the conveyor belt 12 is provided with the mounting base plate 111, and the surface of the mounting base plate 111 is provided with a plurality of mounting holes 112 for mounting the charging clips 13 on the mounting base plate 111, so that when the charging clips 13 with different sizes are placed on the mounting base plate 111, the mounting holes 112 matched with the charging clips 13 can be found for mounting, and the charging clips 13 with different sizes can be mounted on the mounting base plate 111 in a replaceable manner.

The embodiment of the utility model provides an in, still provide an ink jet printer for printed circuit board, including foretell conveyer 1, convey circuit board base plate 5 through conveyer 1 to can realize the preliminary location to circuit board base plate 5, and then reduce subsequent positioner 3 and advance line location required time to circuit board base plate 5, improve printing efficiency.

For the mode of ordinary conveyer belt 12 conveying, the utility model discloses an ink jet printer can guarantee that every circuit board base plate 5's of conveying position and angle keep the base plate unanimous when conveying circuit board base plate 5 to reduce subsequent positioner 3 and advance the required time of location to circuit board base plate 5, improve printing efficiency.

As shown in fig. 4 to 5, in an embodiment of the present invention, there is further provided a clamping device 2 for a printed circuit board inkjet printer, including: the clamping device comprises a clamping base 21, wherein a moving guide rail 211 is arranged on the clamping base 21; and the clamping cylinders 22 are symmetrically arranged on two opposite sides of the clamping base 21, a clamping plate 23 for clamping the circuit board substrate 5 and a guide rail base matched with the shape of the movable guide rail 211 are fixed on the clamping cylinders 22, and the guide rail base is connected with the movable guide rail 211 in a sliding manner.

The clamping plates 23 are arranged on the two symmetrical clamping cylinders 22, so that the clamping plates 23 clamp the circuit board substrate 5 when the clamping cylinders 22 stretch, the guide rail base is arranged on the clamping cylinders 22, the movable guide rail 211 is arranged on the clamping base 21, the clamping cylinders 22 move along the direction of the movable guide rail 211, and the clamping plates 23 clamp the circuit board substrate 5 to perform operations of positioning, printing and other processes.

Compared with the positioning mode of the prior art that the size adjusting plate is arranged on the printer, in the clamping device 2 of the utility model, the time required for directly clamping and positioning the circuit board substrate 5 by the clamping cylinder 22 is shorter, thereby improving the printing efficiency of the circuit board substrate 5, and when positioning the circuit board substrates 5 with different sizes, the prior printing equipment can position the circuit board substrate 5 with the corresponding size by adjusting the position of the size adjusting plate, while in the utility model, the circuit board substrates 5 with different sizes can be clamped by the two clamping cylinders 22 which are symmetrically arranged, the use is more flexible, and further, under the coordination of the movable guide rail 211 and the guide rail base, the clamping cylinder 22 is respectively moved to the positioning device 3 for accurate positioning and the printing device 4 for printing, so as to realize automatic silk-screen printing.

In the embodiment of the present invention, the surface protrusion of the clamping plate 23 contacting the circuit board substrate 5 is provided with the supporting plate 24 for supporting the circuit board substrate 5, so that the upper surface of the circuit board substrate 5 is flush with the upper end surface of the clamping plate 23.

When the circuit board substrate 5 is clamped by the clamping plate 23, the circuit board substrate 5 is supported on the supporting plate 24, and the upper surface of the circuit board substrate 5 is flush with the upper end surface of the clamping plate 23, so that when the circuit board substrate 5 is printed by the printing device 4, the printing device 4 can be effectively contacted with the circuit board substrate 5, the printing quality of circuit patterns is improved, and meanwhile, the clamping plate 23 can be prevented from influencing the printing path of the printing device 4.

The utility model discloses an in the embodiment, centre gripping base 21 is provided with scale 212 on the moving direction along the guide rail base to when centre gripping cylinder 22 centre gripping circuit board base plate 5 removed, operating personnel drives actuating cylinder's displacement through scale 212 inspection, and then combines scale 212 and positioner 3 to fix a position circuit board base plate 5, improves circuit board base plate 5's location precision.

The utility model discloses an in the embodiment, be fixed with the base driving piece 213 of being connected with moving guide 211 on the centre gripping base 21, base driving piece 213 drive moving guide 211 drives the guide rail base and removes to drive centre gripping cylinder 22 and remove, also, base driving piece 213 drives centre gripping cylinder 22 centre gripping circuit board base plate 5 carries out accurate location to positioner 3, and drive centre gripping cylinder 22 centre gripping circuit board base plate 5 prints to printing device 4, realizes automatic printing.

It can be understood that the moving guide rail 211 is a screw rod, the guide rail base is in threaded fit with the screw rod, and the base driving part 213 is a motor, and when the motor is operated, the screw rod is driven by the motor to rotate, so that the guide rail base slides along the moving guide rail 211, and the circuit board substrate 5 is conveyed to the positioning device 3 and the printing device 4 respectively.

Fig. 9 is a schematic block diagram of a clamping device in an inkjet printer for a printed circuit board according to an embodiment of the present invention. As shown in fig. 9, in the embodiment of the present invention, the clamping device 2 includes a control module 25, the control module 25 is electrically connected to the clamping cylinder 22 and the base driving member 213 to control the clamping cylinder 22 to clamp the circuit board substrate 5, and the base driving member 213 is controlled to drive the guide rail base to move on the moving guide rail 211.

The control module 25 is electrically connected with the clamping cylinder 22 and the base driving part 213, so that an operator can control the clamping cylinder 22 and the base driving part 213 through the control module 25, the clamping cylinder 22 drives the clamping plate 23 to clamp the circuit board substrate 5, the base driving part 213 drives the moving guide rail 211 to drive the clamping cylinder 22 to move, and the circuit board substrate 5 is driven to move to the positioning device 3 for positioning and move to the printing device 4 for printing.

In embodiments of the present invention, examples of control module 25 include, but are not limited to, a general purpose processor, a special purpose processor, a conventional processor, a Digital Signal Processor (DSP), a plurality of microprocessors, one or more microprocessors in association with a DSP core, a controller, a microcontroller, an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) circuit, any other type of Integrated Circuit (IC), a state machine, and the like. The movement locus of the mold clamping cylinder 22 and the base driving member 213 may be controlled by a control.

In the embodiment of the present invention, one side of the supporting plate 24 connected to the clamping plate 23 is provided with a convex connecting block 241, and the clamping plate 23 is provided with a connecting chute 231 adapted to the connecting block 241 in the thickness direction of the circuit board substrate 5.

Through set up convex connecting block 241 on bearing plate 24, and set up the connection spout 231 with connecting block 241 adaptation on grip block 23, thereby supply connecting block 241 to slide in connecting spout 231, also supply bearing plate 24 to slide on grip block 23, thereby adjust the height of bearing plate 24 bearing circuit board base plate 5, so that when the thickness size of circuit board base plate 5 is inconsistent, adjust the height of circuit board base plate 5 bearing through bearing plate 24, so that the upper surface of circuit board base plate 5 flushes with the up end of grip block 23, and then when guaranteeing that printing device 4 prints to circuit board base plate 5, make printing device 4 and circuit board base plate 5 more effectual contact, improve the printing quality of circuit pattern, simultaneously, can also avoid grip block 23 to cause the influence to the printing route of printing device 4.

The utility model discloses an in the embodiment, be provided with in the connection spout 231 and be connected with connecting block 241 and make connecting block 241 along the jacking lead screw 232 that is connected spout 231 and removes, the bottom of grip block 23 is provided with the drive knob who is connected with jacking lead screw 232.

Through set up the jacking lead screw 232 of being connected with connecting block 241 in connecting spout 231, so that when the height that needs supported circuit board base plate 5 to supporting plate 24 was adjusted, supply operating personnel to slide from top to bottom in connecting spout 231 through rotatory jacking lead screw 232 in order to drive connecting block 241, that is, make supporting plate 24 slide from top to bottom along grip block 23, in order to realize supporting plate 24 to the adjustment of circuit board base plate 5 bearing height, guarantee that the upper surface of circuit board base plate 5 flushes with the up end of grip block 23, make printing device 4 and circuit board base plate 5 more effectual contact, the printing quality of circuit pattern improves.

The utility model discloses an in the embodiment, be provided with in the connection spout 231 and be connected and make connecting block 241 along the jacking lead screw 232 that is connected spout 231 and removes with connecting block 241, the fixed surface that grip block 23 and centre gripping cylinder 22 are connected has driving motor 233, and driving motor 233 passes through the gear train and is connected with jacking lead screw 232.

Through set up driving motor 233 on grip block 23, and make driving motor 233 be connected with jacking lead screw 232 through the gear train, thereby when the height to bearing board 24 needs to be adjusted, it is rotatory to drive gear train through driving motor 233, can drive jacking lead screw 232 rotatory, and then make bearing board 24 reciprocate on jacking lead screw 232, with the realization to the regulation of bearing board 24 height, guarantee that the upper surface of circuit board base plate 5 flushes with the up end of grip block 23, make printing device 4 and circuit board base plate 5 more effective contact, improve the printing quality of circuit pattern.

The embodiment of the utility model provides an in, be connected with on the grip block 23 and wrap up in driving motor 233 motor protection casing 234 all around to protect driving motor 233, avoid the dust to get into the drive accuracy that influences driving motor 233 in the driving motor 233.

It can be understood that the control module 25 is electrically connected to the driving motor 233, so that an operator can adjust the driving time and the driving stroke of the driving motor 233 through the control module 25, thereby realizing the intelligent adjustment of the height of the supporting plate 24 and improving the practicability of the clamping device 2.

The embodiment of the utility model provides an in, still provide an ink jet printer for printed circuit board, including foretell clamping device 2, carry out the centre gripping to circuit board base plate 5 through clamping device 2 to can make 2 clamping device circuit board base plates 5 to positioner 3 carry out accurate location and printing device 4 prints, in order to realize automatic silk screen printing.

For the lithography apparatus of technique, the utility model discloses an among the ink jet printer, carry out the required time of centre gripping location by the direct centre gripping circuit board base plate 5 of centre gripping cylinder 22 shorter to improve the efficiency of circuit board base plate 5 printing, and when fixing a position to not unidimensional circuit board base plate 5, current lithography apparatus needs the position of resize regulating plate just can fix a position the circuit board base plate 5 of corresponding size, and the utility model discloses in, can realize carrying out the centre gripping to not unidimensional circuit board base plate 5 through two centre gripping cylinders 22 that the symmetry set up, use more in a flexible way.

As shown in fig. 6, in the embodiment of the present invention, there is further provided a positioning device 3 for a printed circuit board inkjet printer, the printed circuit board inkjet printer includes a clamping device 2 for clamping a circuit board substrate 5, the positioning device 3 includes:

an identification module 31, the identification module 31 identifying the position of the circuit board substrate 5; and

the feedback module 32, the feedback module 32 is electrically connected with the recognition module 31 and the clamping device 2, the feedback module 32 feeds back the position of the circuit board substrate 5 recognized by the recognition module 31 to the clamping device 2, and the clamping device 2 adjusts the position of the circuit board substrate 5 according to the feedback of the feedback module 32.

When the clamping device 2 clamps the circuit board substrate 5 to the positioning device 3, the position of the circuit board substrate 5 is identified through the identification module 31, the feedback module 32 feeds the position of the circuit board substrate 5 back to the clamping device 2 according to the identification result of the identification module 31, and then the clamping device 2 adjusts the position of the circuit board substrate 5 according to the feedback of the feedback module 32, so as to realize the accurate positioning of the circuit board substrate 5, so that when the printing device 4 prints the circuit board substrate 5, the accurate printing of a circuit pattern on the surface of the circuit board substrate 5 can be ensured, and the printing yield of the circuit board substrate 5 is improved.

When the circuit board substrates 5 with different sizes are positioned, the position of the circuit board substrate 5 is identified through the identification module 31, the position of the circuit board substrate 5 is fed back through the feedback module 32, and the clamping device 2 adjusts the position of the circuit board substrate 5 according to the feedback, so that the circuit board substrates 5 with different sizes are positioned, and the printing yield is improved.

It can be understood that, the feedback module 32 feeds back the position of the circuit board substrate 5 to the control module 25, and further, the control module 25 controls the pair of clamping cylinders 22 and the base driving part 213, so that the clamping cylinders 22 drive the clamping plates 23 to adjust the position of the circuit board substrate 5 along the width direction of the conveyor belt 12, and the base driving part 213 drives the clamping cylinders 22 to move, so as to adjust the position of the circuit board substrate 5 along the length direction of the conveyor belt 12, and thus, the circuit board substrate 5 can be accurately positioned, when the printing device 4 prints the circuit board substrate 5, accurate printing of a circuit pattern on the surface of the circuit board substrate 5 can be ensured, and the printing yield of the circuit board substrate 5 is improved.

In the embodiment of the present invention, the feedback module 32 includes a storage unit 321 for storing the position of the circuit board substrate 5 and a comparison unit 322 for comparing whether the position of the circuit board substrate 5 identified by the identification module 31 corresponds to the stored position of the circuit board substrate 5.

The position of the circuit board substrate 5 is prestored through the storage unit 321, after the identification module 31 identifies the position of the circuit board substrate 5, whether the identified position of the circuit board substrate 5 corresponds to the stored position of the circuit board substrate 5 through the comparison unit 322 is judged, and when the position of the circuit board substrate 5 is inconsistent with the stored position of the circuit board substrate 5, the clamping angle and the position of the circuit board substrate 5 are adjusted in real time by the clamping device 2 according to the comparison result of the comparison unit 322, so that the position of the circuit board substrate 5 is consistent with the stored position of the circuit board substrate 5, accurate positioning of the circuit board substrate 5 is achieved, and the printing yield is improved.

Fig. 10 is a schematic view of a first partial structure of a positioning device in an inkjet printer for a printed circuit board according to an embodiment of the present invention. As shown in fig. 10, in the embodiment of the present invention, the positioning device 3 includes the control screen 33, the control screen 33 is electrically connected to the feedback module 32, so that the operator can monitor the feedback data of the feedback module 32 in real time through the control screen 33, and observe the circuit board position identified by the identification module 31 through the control screen 33, thereby facilitating the operation of the operator.

The utility model discloses an in the embodiment, be provided with alarm module in controlling screen 33, alarm module configures to and triggers the warning when the circuit board position non-corresponds in 5 positions of the circuit board base plate of contrast unit 322 contrast and the interior storage of memory cell 321 to can leave at operating personnel, remind operating personnel printing process to go wrong under the warning that alarm module triggered, the operating personnel of being convenient for in time discovers the problem, improves the operation security. It can be understood that the alarm triggered by the alarm module can be an audible alarm, a light alarm or an acousto-optic alarm lamp.

The utility model discloses an in the embodiment, identification module 31 includes camera 311, and camera 311 sets up in clamping device 2 top to shoot the image with identification circuit board base plate 5 position on length width direction to circuit board base plate 5, and then feedback module 32 feeds back the image of shooting to clamping device 2 according to camera 311, and makes clamping device 2 adjust circuit board base plate 5 position according to feedback module 32's feedback.

It can be understood that the storage unit 321 stores the image of the circuit board substrate 5, and the comparison unit 322 compares the image of the circuit board substrate 5 captured by the camera 311 with the image of the circuit board substrate 5 stored in the storage unit 321, that is, compares whether the two images coincide with each other, to determine whether the positions of the circuit board substrates 5 held by the holding device 2 are consistent with each other, if the image of the circuit board substrate 5 held by the holding device 2 coincides with the image of the circuit board substrate 5 stored in the storage unit 321, it is determined that the positions of the two images are consistent with each other, otherwise, the positions of the two images are not consistent with each other, so as to achieve accurate positioning of the circuit board substrate 5 and improve the printing yield.

The embodiment of the utility model provides an in, identification module 31 includes infrared sensor 312, and infrared sensor 312 sets up in clamping device 2 top to the orientation transmission infrared ray of circuit board base plate 5 is with the position of discernment circuit board base plate 5 on the length width direction, and then feedback module 32 feeds back discernment circuit board base plate 5 position to clamping device 2 according to infrared sensor 312, and makes clamping device 2 adjust circuit board base plate 5 position according to feedback module 32's feedback.

It can be understood that the storage unit 321 stores the position information of the circuit board substrate 5, and the comparison unit 322 compares the position of the circuit board substrate 5 identified by the infrared sensor 312 with the position of the circuit board substrate 5 stored in the storage unit 321, that is, compares whether the two positions coincide with each other, to determine whether the positions of the circuit board substrates 5 held by the holding device 2 are consistent with each other, if the position of the circuit board substrate 5 held by the holding device 2 coincides with the position of the circuit board substrate 5 stored in the storage unit 321, it is determined that the positions of the two positions are consistent with each other, otherwise, the positions of the two positions are inconsistent with each other, so as to achieve accurate positioning of the circuit board substrate 5 and improve the yield of printing.

Fig. 11 is a second partial structural diagram of a positioning device of an inkjet printer for a printed circuit board according to an embodiment of the present invention. As shown in fig. 11, in the embodiment of the present invention, the holding device 2 includes the holding plate 23, the recognition module 31 includes the photo resistor 313 arranged on the holding plate 23, the holding plate 23 holds the circuit board substrate 5 and then blocks the light irradiated to the photo resistor 313 to recognize the position of the circuit board substrate 5 in the thickness direction, so as to recognize whether the upper surface of the circuit board substrate 5 is flush with the upper end surface of the holding plate 23, thereby when the printing device 4 prints the circuit board substrate 5, the printing device 4 can be more effectively contacted with the circuit board substrate 5, and the printing quality of the circuit pattern is improved.

It can be understood that when the position of the circuit board substrate 5 is lower than the upper end surface of the clamping plate 23, the light irradiated to the photo resistor 313 is not blocked, and then the feedback module 32 feeds back the position of the circuit board substrate 5 to the clamping device 2, that is, to the driving motor 233, and the driving motor 233 drives the jacking screw 232 to drive the supporting plate 24 to move upward on the clamping plate 23, and when the position of the circuit board substrate 5 moves to the upper end of the clamping plate 23, the circuit board substrate 5 blocks the light irradiated to the photo resistor 313, and then the feedback module 32 feeds back the position of the circuit board substrate 5 to the clamping device 2, so that the driving motor 233 stops driving the supporting plate 24 to move upward.

The utility model discloses an in the embodiment, identification module 31 includes laser sensor 314, and laser sensor 314 flushes the direction transmission laser along the up end of grip block 23 to discernment circuit board base plate 5 is in the position of thickness direction, thereby avoids circuit board base plate 5's higher than grip block 23 up end position, and then leads to influencing printing device 4 to circuit board base plate 5's printing effect.

It can be understood that when the light emitted by the laser sensor 314 is blocked by the circuit board substrate 5, it is determined that the upper surface of the circuit board substrate 5 is higher than the upper end surface of the clamping plate 23, and then the position of the circuit board substrate 5 is fed back to the control module 25 by the feedback module 32, so that the driving motor 233 drives the jacking lead screw 232 to drive the circuit board substrate 5 to descend, and the height of the circuit board substrate 5 descending is adjusted by combining the photoresistor 313, so that the upper surface of the circuit board substrate 5 is flush with the upper end surface of the clamping plate 23 as much as possible, and the printing quality is improved.

In the embodiment of the present invention, the photo resistor 313 is disposed at the position adjacent to the upper end surface of the clamping plate 23, and the distance between the photo resistor 313 and the upper end surface of the clamping plate 23 is smaller than the thickness of the circuit board substrate 5, so that after the upper surface of the circuit board substrate 5 is flushed with the upper end surface of the clamping plate 23, the circuit board substrate 5 can block the light irradiated to the photo resistor 313, and the photo resistor 313 is prevented from generating errors in the height position recognition of the circuit board substrate 5.

The embodiment of the utility model provides an in, still provide an ink jet printer for printed circuit board, including foretell positioner 3, fix a position circuit board base plate 5 through positioner 3, thereby when printing device 4 prints circuit board base plate 5, can guarantee the accurate printing of circuit pattern to circuit board base plate 5 surface, improve circuit board base plate 5's yield, in addition, positioner 3 still can fix a position circuit board base plate 5 to there is the difference in the size, thereby realize fixing a position circuit board base plate 5 to not unidimensional, improve yield and application scope.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, in the description of the present invention, it is to be understood that the terms "first", "second" and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (10)

1. A clamping device for an ink jet printer for printed circuit boards, comprising:

the clamping base is provided with a movable guide rail; and

the clamping cylinder is symmetrically arranged on two opposite sides of the clamping base, a clamping plate used for clamping the circuit board substrate and a guide rail base matched with the movable guide rail in shape are fixed on the clamping cylinder, and the guide rail base is connected with the movable guide rail in a sliding mode.

2. The clamping device of claim 1, wherein a supporting plate for supporting the circuit board substrate is protruded from a surface of the clamping plate contacting the circuit board substrate, so that an upper surface of the circuit board substrate is flush with an upper end surface of the clamping plate.

3. A clamping device for an ink jet printer of a printed circuit board as claimed in claim 1, wherein said clamping base is provided with a graduated scale in a moving direction of said guide rail base.

4. A clamping assembly for a printed circuit board ink jet printer as in claim 1 wherein said clamping base has a base drive member attached to said travel rail, said base drive member driving said rail base to travel on said travel rail.

5. The clamping device of claim 1, wherein the clamping device comprises a control module electrically connected to the clamping cylinder and the base driving member to control the clamping cylinder to clamp the circuit board substrate and to control the base driving member to drive the guide rail base to move on the moving guide rail.

6. The clamping device of claim 2, wherein a protruding connecting block is disposed on the side of the supporting plate connected to the clamping plate, and the clamping plate has a connecting chute fitted to the connecting block in the thickness direction of the circuit board substrate.

7. The clamping device of claim 6, wherein a lifting screw is disposed in the connecting chute and connected to the connecting block to move the connecting block along the connecting chute, and a driving knob is disposed at a bottom end of the clamping plate and connected to the lifting screw.

8. The clamping device of claim 6, wherein a lifting screw is disposed in the connecting chute, the lifting screw is connected to the connecting block and moves the connecting block along the connecting chute, a driving motor is fixed to a surface of the clamping plate connected to the clamping cylinder, and the driving motor is connected to the lifting screw through a gear set.

9. The clamping device of claim 8, wherein a motor shield is attached to the clamping plate to surround the driving motor.

10. Inkjet printer for printed circuit boards, characterized in that it comprises a holding device for a printed circuit board inkjet printer according to any one of claims 1 to 9.

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