CN211968914U

CN211968914U - PCB (printed Circuit Board) jet printing working platform and PCB character jet printing equipment

Info

Publication number: CN211968914U
Application number: CN201922497765.1U
Authority: CN
Inventors: 王庭伟; 许文强; 王中凯
Original assignee: Jiangsu Hi Print Electromechanical Science & Technology Co ltd
Current assignee: Jiangsu Hi Print Electromechanical Science & Technology Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-11-20
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a PCB board spouts seal work platform and PCB board character spouts seal equipment, including load-bearing platform, first workstation and second workstation move along Y axle direction on load-bearing platform through first actuating mechanism and second actuating mechanism respectively, when first workstation and second workstation keep synchronous under first actuating mechanism and second actuating mechanism's drive respectively, first workstation and the compound platform that forms of second workstation by a wide margin. When the PCB jet printing working platform is applied to character jet printing equipment, two working tables can be started to work simultaneously, alternate printing is achieved, jet printing efficiency and equipment utilization rate are greatly improved, and equipment cost is reduced. Meanwhile, the two working tables are compounded to form a large-amplitude platform, the large-amplitude PCB is subjected to spray printing, and the compatible range of the equipment to the width of the PCB is expanded, so that the utilization rate of the equipment is increased, the investment of enterprises to equipment, fields and other fixed capital is reduced, and the production benefit is improved.

Description

PCB (printed Circuit Board) jet printing working platform and PCB character jet printing equipment

Technical Field

The utility model relates to a printed circuit board processing technology field especially relates to a PCB board spouts seal work platform and PCB board character spouts seal equipment.

Background

Printed Electronics (Printed Electronics) is an electronic manufacturing technology that has been emerging in recent years, and refers to a technology for forming electronic components and circuits using various printing methods. The fastest growing, and accepted by some printed circuit board manufacturers, is to use piezo jets to print character marks on Printed Circuit Boards (PCBs) instead of the traditional screen printing process. The method has the advantages that: (1) belongs to non-contact production, and has better quality of jet printing characters compared with contact printing adopting screen printing. (2) Complicated processes of exposure, film manufacturing and screen plate manufacturing are not needed, direct spray printing on a PCB can be realized according to digital character files provided by users, the production period is shortened, the production efficiency is improved, and the cost of intermediate processes is saved. (3) The required ink consumption is saved, and the production cost is reduced. (4) Reducing pollution and being beneficial to environmental protection.

At present, character jet printing equipment is sold on the market, companies such as Orbotech, Microcraft, Camtek and the like are mainly available abroad, and Jiangsu Han printing technology, Nanjing Xiech, Shenzhen Weite, Shenzhen Jinxin and the like are mainly available domestically. At present, the products of the companies are single-workbench, left-right double-workbench or upper-lower double-workbench, and the single-workbench independently produces character jet printing equipment, so that only the size of a single-workbench compatible plate width can be printed during working, and the production efficiency is low or the equipment resources are wasted. Certainly, a manufacturer can buy a device for producing the large board independently, so that the large board and the small board can be produced compatibly, but the defects are that the occupation rate of the large board is low, the utilization rate of the device is low or the efficiency is low, and the investment of fixed asset cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the defect that the unable compatible big platelet of seal equipment, availability factor are low among the prior art is spouted to the character, and provide a PCB board and spout seal work platform, this PCB board spouts seal work platform includes load-bearing platform, first workstation and second workstation, can realize that first workstation and second workstation spout the seal simultaneously alone and improve and spout seal efficiency, also can realize that first workstation and second workstation compound to spouting the seal to PCB board by a wide margin after becoming by a wide margin the platform by a wide margin, enlarge the equipment to the compatible scope of PCB board breadth size.

Another aspect of the utility model is to provide a PCB board character spouts seal equipment.

For realizing the utility model discloses a technical scheme that the purpose adopted is:

the utility model provides a PCB board spouts seal work platform, includes load-bearing platform and two sets of workstation and actuating system, each set workstation and actuating system all include a workstation and a drive the workstation is followed load-bearing platform's Y axle direction reciprocating motion's Y axle drive structure, two the workstation forms the large-amplitude platform when juxtaposing in order to fix by a wide margin PCB board.

In the above technical solution, each of the worktable and the driving system further includes a Z-axis driving structure for driving the worktable to reciprocate along the Z-axis direction of the carrying platform so as to adjust the height of the worktable.

In the above technical solution, the Y-axis driving structure is a linear motor, a slide rail of the linear motor is fixed in the Y-axis direction of the bearing platform, a mounting plate is fixed on a slide block of the linear motor, and the bottom of the Z-axis driving structure is fixed on the mounting plate;

the Z-axis driving structure comprises a horizontal movement assembly and a vertical movement assembly, wherein the horizontal movement assembly comprises a horizontal lead screw fixed on the mounting plate, a motor driving the horizontal lead screw, a lead screw mounting seat moving along the horizontal lead screw, a horizontal movement wedge block fixed at the top of the lead screw mounting seat and an inclined slide block obliquely fixed on the inclined plane of the horizontal movement wedge block;

the vertical motion assembly comprises a vertical guide rail fixed on the mounting plate, a vertical moving wedge block with a side surface connected with the vertical guide rail in a sliding mode, an inclined slide rail is fixed on a bottom inclined plane of the vertical moving wedge block, and an inclined slide block slides on the inclined slide rail.

In the technical scheme, each workbench is a four-side pressing and fixing vacuum adsorption platform, wherein the right side edge of the workbench on the left side and the left side edge of the workbench on the right side are provided with avoidance grooves for pressing down.

In the technical scheme, the two work tables have the same or different sizes.

On the other hand, the utility model discloses a PCB board character spouts seal equipment, including spouting seal system, CCD automatic positioning system, be used for measuring the first thickness measurement system and the second thickness measurement system of PCB board thickness on two workstations respectively, be used for measuring the third thickness measurement system and the above-mentioned PCB board of the PCB board thickness of by a wide margin on the platform of by a wide margin, PCB board spouts seal work platform in the bearing platform top and is fixed with along the gantry beam support of X axle direction, spout seal system and CCD automatic positioning system slidable respectively fixes the both sides at gantry beam support;

the first thickness measurement system comprises a first transmitting end and a first receiving end; the second thickness measuring system comprises a second transmitting end and a second receiving end, the first transmitting end and the second transmitting end are relatively fixed on the left side and the right side of the bearing platform, and the first receiving end and the second receiving end are fixed between the first transmitting end and the second transmitting end through a thickness measuring lifting device in a lifting manner;

the third thickness measuring system comprises a third transmitting end and a third receiving end which are relatively fixed on the left side and the right side of the bearing platform.

In the above technical solution, the thickness measurement lifting device includes an electric cylinder and a bottom plate fixed on the top of an extension rod of the electric cylinder and capable of moving up and down, and the first receiving end and the second receiving end are fixed on the bottom plate towards the first transmitting end and the second transmitting end respectively.

In the above technical solution, the inkjet printing system includes a nozzle assembly, an ink supply assembly for supplying ink to the nozzle assembly, and an ink curing assembly for curing the ink ejected from the nozzle assembly.

In the above technical solution, the spray head assembly includes a spray system composed of a plurality of spray heads; the ink supply assembly includes a main ink bottle and an ink bag in communication with each other, the ink bag being connected between the main ink bottle and the jetting system.

In the above technical solution, the ink curing assembly includes one of a UV-LED lamp, a mercury lamp, and an infrared lamp.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model provides a double-working platform printed circuit board character spouts seal equipment spouts seal in-process alone, spouts seal system during operation when a workstation, and another workstation can begin thickness detection and location step, accomplishes when a workstation and spouts the seal back, and another workstation begins to spout seal work immediately. Therefore, the two working tables are started to work simultaneously and print alternately, the jet printing efficiency and the utilization rate of equipment are greatly improved, and the equipment cost is reduced.

2. The utility model provides a double-working platform printed circuit board character spouts seal equipment, two compound formation platforms by a wide margin of workstation to spout the seal to PCB board by a wide margin, have enlarged the compatible scope of equipment to PCB board breadth size to improve equipment rate of utilization reduces the enterprise to the input of fixed capital such as equipment, place, improves the productivity effect.

Drawings

FIG. 1 is a schematic structural diagram of a character jet printing device for a PCB;

FIG. 2 is a schematic structural view of a Z-axis driving structure;

fig. 3 is a schematic structural diagram of the thickness measurement lifting device.

In the figure: 1-a bearing platform, 2-a workbench (left side), 3-the workbench (right side), 4-a control system, 5-a CCD automatic positioning system, 6-a gantry beam support, 7-a first transmitting end, 8-a first receiving end, 9-a second transmitting end, 10-a second receiving end, 11-a thickness measuring lifting device, 12-a third transmitting end, 13-a third receiving end, 14-a nozzle assembly, 15-an ink supply assembly, 16-an ink curing assembly, 17-a large-amplitude PCB (printed circuit board), 18-an electric cylinder, 19-an extension rod, 20-a bottom plate, 21-a slide rail, 22-a slide block, 23-a mounting plate, 24-a motor, 25-a horizontal lead screw, 26-a lead screw mounting seat and 27-a horizontal moving wedge-shaped block, 28-vertical rods, 29-vertically moving wedge blocks, 30-oblique sliding blocks and 31-oblique sliding rails.

Detailed Description

The present invention will be described in further detail with reference to the following drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1

A PCB board spouts seal work platform, as shown in figure 1, includes load-bearing platform 1 and two sets of workstation and actuating system, each set workstation and actuating system all include a workstation and a drive the workstation is followed load-bearing platform 1's Y axle direction reciprocating motion's Y axle drive structure, two the workstation (left side workstation reference numeral is 2, right side workstation reference numeral is 3) forms big platform when juxtaposing.

The two working tables (2 and 3) can respectively reciprocate along the Y axis and respectively print PCB boards with certain breadth size; and the synchronous movement can be kept, a large-size platform is compositely formed, and the large-size PCB 17 with larger size is printed.

Preferably, each workbench and each driving system further comprises a Z-axis driving structure for driving the workbench to reciprocate along the Z-axis direction of the bearing platform so as to adjust the height of the workbench, so as to deal with the PCB with different thicknesses, ensure that a fixed distance is always kept between the jet printing system and the printed PCB, and ensure the printing quality.

Specifically, the Y-axis driving structure is a linear motor, a slide rail 21 of the linear motor is fixed in the Y-axis direction of the bearing platform 1, a mounting plate 23 is fixed on a slide block 22 of the linear motor, and the Z-axis driving structure is fixed on the mounting plate 23;

the Z-axis driving structure comprises a horizontal movement assembly and a vertical movement assembly, wherein the horizontal movement assembly comprises a horizontal lead screw 25 fixed on the mounting plate 23, a motor 24 driving the horizontal lead screw 25, a lead screw mounting seat 26 moving along the horizontal lead screw 25, a horizontal movement wedge block 27 fixed at the top of the lead screw mounting seat 26, and an inclined sliding block 30 obliquely fixed on the inclined surface of the horizontal movement wedge block 27;

the vertical motion assembly comprises a vertical guide rail 28 fixed on the mounting plate 23, a vertical moving wedge block 29 with the side surface connected with the vertical guide rail 28 in a sliding manner, an inclined slide rail 31 is fixed on the inclined plane at the bottom of the vertical moving wedge block 29, and an inclined slide block 30 slides on the inclined slide rail 31.

When the horizontally moving wedge 27 slides to the left, the vertically moving wedge 29 moves upwards along the upright 28 due to the interaction between the inclined slide 30 and the inclined slide rail 31, thus pushing the work table (2 or 3) to move upwards.

Two linear motors in the two Y-axis driving structures are controlled by the same control system and respectively move or synchronously move.

Specifically, each workstation is four sides and presses fixed vacuum adsorption platform, and wherein the right side edge that is located left workstation 2 and the left side edge that is located workstation 3 on right side all are provided with dodge recess and supply the limit to press down. When a large-format PCB is jet-printed by using the large-format platform, the edges at the right side edge of the workbench 2 at the left side and the left side edge of the workbench 3 at the right side are pressed down and hidden.

To avoid large-format PCB boards 17 on large-format platforms. The detailed structure of the four-side pressing and fixing vacuum suction table is described in detail in patent publication CN207496258U, and is not described herein.

In particular, the two work stations are of the same or different size. If the two work tables are different in size, the two work tables are divided into a small-width work table and a large-width work table, and the three PCB boards with different widths can be compatible, namely the PCB boards with small width, large width and larger width after being compounded.

Example 2

A PCB character jet printing device is shown in figure 1 and comprises a jet printing system, a CCD automatic positioning system 5, a first thickness measuring system and a second thickness measuring system which are respectively used for measuring the thickness of a PCB on two working tables, a third thickness measuring system which is used for measuring the thickness of a large PCB 17 on a large platform and the PCB jet printing working platform of embodiment 1, wherein a gantry beam support 6 along the X-axis direction is fixed above a bearing platform 1 in the PCB jet printing working platform, and the jet printing system and the CCD automatic positioning system 5 are respectively fixed on two sides of the gantry beam support 6 in a sliding manner;

the first thickness measurement system comprises a first transmitting end 7 and a first receiving end 8; the second thickness measurement system comprises a second transmitting end 9 and a second receiving end 10, the first transmitting end 7 and the second transmitting end 9 are relatively fixed on the left side and the right side of the bearing platform 1, the first receiving end 8 and the second receiving end 10 are fixed between the first transmitting end 7 and the second transmitting end 9 through a thickness measurement lifting device 11 which can ascend and descend, and the normal movement of the two workbenches is not influenced on the extension lines of the two workbenches

The third thickness measuring system comprises a third transmitting end 12 and a third receiving end 13 which are relatively fixed on the left side and the right side of the bearing platform 1.

Specifically, the thickness measuring and lifting device is shown in fig. 3, and comprises an electric cylinder 18 (manufactured by Shanghai Batian electric machinery, model: PSFE25-50-1003-P-ZB-BFB-MB100W-3) and a bottom plate 20 fixed on the top of a projecting rod 19 of the electric cylinder 18 and capable of moving up and down, wherein the first receiving end 8 and the second receiving end 10 are fixed on the bottom plate 20 towards the first transmitting end 7 and the second transmitting end 9 respectively.

Specifically, the inkjet printing system includes a head assembly 14, an ink supply assembly 15 that supplies ink to the head assembly 14, and an ink curing assembly 16 that cures the ink ejected from the head assembly 14.

Specifically, the spray head assembly 14 includes a spray system comprised of a plurality of spray heads; the ink supply assembly 15 includes a main ink bottle and an ink bag which are communicated with each other, and the ink bag is connected between the main ink bottle and the jetting system and used for temporarily storing a small amount of ink and preventing ink from being cut off during ink replacement or ink adding to cause jet printing failure.

Specifically, the ink curing assembly 16 is mounted adjacent the jetting system and includes one of a UV-LED lamp, a mercury lamp, and an infrared lamp for instant rapid curing of the ink jetted from the jetting system to prevent character wear in subsequent processes due to ink non-curing.

Example 3

This embodiment describes a control system of the PCB character jet printing apparatus described in embodiment 2 and a working method thereof.

The control system 4 is a PC, is arranged in the middle of the gantry beam support 6 and is used for controlling the overall movement and work of the PCB character jet printing equipment.

The PCB character jet printing equipment can respectively use two workbenches 2 or 3 for independently jet printing the small-size PCB which is suitable for the sizes of the two workbenches. The two work tables can be kept synchronous in the Z-axis direction and the Y-axis direction by adjusting the two Z-axis driving structures and controlling the linear motors in the two Y-axis driving structures, and the two work tables can be compounded to form a large-amplitude platform for compounding and spray-printing a large-amplitude PCB 17 which is adaptive to the size of the large-amplitude platform.

A separate jet printing process comprising the steps of:

step 1: inputting the thickness of a PCB to be sprayed and printed in a control system, and automatically adjusting a Z-axis driving structure to enable the PCB to be at a proper height position;

step 2: when the workbench is positioned at the initial position (namely the position in the figure), the PCB is placed;

and step 3: when the workbench and the PCB move to the first thickness measuring system along the Y axis, the first thickness measuring system measures whether the thickness of the PCB is within a set range, and if the detection result is that the thickness of the PCB is within the set range, the step 4 is continued; if the detection result is out of the set range, an alarm is given, and the printing is required to be manually selected to continue or the action can be continued after the printing is finished;

and 4, step 4: when the workbench and the PCB continue to move along the Y axis to the position below the CCD automatic positioning systems 5, one or two CCD automatic positioning systems 5 perform multi-point positioning on the PCB, and a standard printing area is determined;

and 5: the jet printing system starts jet printing, the jet printing system carries out reciprocating motion along the X-axis direction along the gantry beam support 6, and the PCB moves along the Y-axis direction along with the first workbench 2 so as to realize covering printing on the whole width of the small-width PCB.

In the above-mentioned single jet printing process, when the left-side workbench performs step 5, that is, the jet printing system works, the right-side workbench can start steps 1-4, and when the left-side workbench 2 finishes jet printing, the right-side workbench 3 immediately starts the jet printing work of step 5. Therefore, the two working tables are started to work simultaneously and print alternately, the jet printing efficiency and the utilization rate of equipment are greatly improved, and the equipment cost is reduced.

The composite jet printing process comprises the following steps:

step 1: the linear motors in the two Y-axis driving structures are controlled by the control system, so that the two working tables keep synchronous in the Y-axis direction, and the two working tables are compounded to form a large-amplitude platform;

step 2: inputting the thickness of a large PCB to be sprayed and printed in a control system, and automatically adjusting the two Z-axis driving structures to enable the large PCB to be at a proper height position;

and step 3: when the large-format platform is located at the initial position (i.e. the position in the figure), the large-format PCB board 17 is placed;

and 4, step 4: when the large-format platform and the large-format PCB 17 move to a third thickness measurement system along the Y axis, the third thickness measurement system measures whether the thickness of the large-format PCB 17 is within a set range, and if the detection result is that the thickness of the large-format PCB 17 is within the set range, the step 4 is continued; if the detection result is out of the set range, an alarm is given, and the printing is required to be manually selected to continue or the action can be continued after the printing is finished;

and 5: when the large-format platform and the large-format PCB 17 continue to move along the Y axis to the position below the CCD automatic positioning systems 5, one or two CCD automatic positioning systems 5 perform multi-point positioning on the large-format PCB 17 to determine a standard printing area;

step 6: the jet printing system starts jet printing, the jet printing system moves along the X-axis direction of the gantry beam support 6, and the large-amplitude PCB 17 moves along the Y-axis direction along with the large-amplitude platform so as to realize covering printing on the whole width of the large-amplitude PCB 17.

In the above process, the thickness measurement lifting device drives the first receiving end 8 and the second receiving end 10 to descend so as to avoid the large-scale platform and the large-scale PCB 17 thereon.

Spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used in the embodiments for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "lower" can encompass both an upper and a lower orientation. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Moreover, relational terms such as "first" and "second," and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The PCB jet printing working platform is characterized by comprising a bearing platform and two sets of working tables and driving systems, wherein each set of working table and driving system comprises a working table and a Y-axis driving structure for driving the working table to reciprocate along the Y-axis direction of the bearing platform, and the two working tables form a large-amplitude platform to fix a large-amplitude PCB when being arranged side by side.

2. The PCB inkjet printing platform of claim 1, wherein each of the stages and the driving system further comprises a Z-axis driving mechanism for driving the stage to reciprocate along a direction perpendicular to the carrying platform to adjust a height of the stage.

3. The PCB inkjet printing working platform of claim 2, wherein the Y-axis driving structure is a linear motor, a slide rail of the linear motor is fixed in the Y-axis direction of the bearing platform, a mounting plate is fixed on a slide block of the linear motor, and the bottom of the Z-axis driving structure is fixed on the mounting plate;

4. The PCB inkjet printing platform of claim 1, wherein each of the work stations is a four-sided press fixing vacuum adsorption station, and the right side edge of the work station on the left side and the left side edge of the work station on the right side are provided with an avoiding groove for the sides to press down.

5. The PCB inkjet printing platform of claim 4, wherein the two platforms are the same or different in size.

6. A PCB character jet printing device is characterized by comprising a jet printing system, a CCD automatic positioning system for positioning a PCB, a first thickness measuring system and a second thickness measuring system which are respectively used for measuring the thickness of the PCB on two workbenches, a third thickness measuring system for measuring the thickness of the PCB with large amplitude and a PCB jet printing work platform of any one of claims 1 to 5, wherein a gantry beam support along the X-axis direction is fixed above a bearing platform, and the jet printing system and the CCD automatic positioning system are respectively fixed on two sides of the gantry beam support in a sliding manner;

the first thickness measurement system comprises a first transmitting end and a first receiving end; the second thickness measuring system comprises a second transmitting end and a second receiving end, the first transmitting end and the second transmitting end are relatively fixed on the left side and the right side of the bearing platform, and the first receiving end and the second receiving end are fixed on the bearing platform through a thickness measuring lifting device in a lifting mode and are located between the first transmitting end and the second transmitting end;

7. The PCB character jet printing device of claim 6, wherein the thickness measuring lifting device comprises an electric cylinder and a bottom plate, the bottom plate is fixed on the top of an extension rod of the electric cylinder and moves up and down along with the extension rod; the first receiving end and the second receiving end are fixed on the bottom plate towards the first transmitting end and the second transmitting end respectively.

8. The apparatus for inkjet printing characters on a PCB of claim 6, wherein the inkjet printing system comprises a nozzle assembly, an ink supply assembly for supplying ink to the nozzle assembly, and an ink curing assembly for curing the ink ejected from the nozzle assembly.

9. The PCB of claim 8, wherein the nozzle assembly includes a spray system consisting of a plurality of nozzles; the ink supply assembly includes a main ink bottle and an ink bag in communication with each other, the ink bag being connected between the main ink bottle and the jetting system.

10. The PCB of claim 8, wherein the ink curing assembly includes one of a UV-LED lamp, a mercury lamp, and an infrared lamp.