CN211195486U

CN211195486U - Precision jet printing equipment

Info

Publication number: CN211195486U
Application number: CN201921376507.1U
Authority: CN
Inventors: 周明军; 段建刚
Original assignee: Shenzhen Jiyin Technology Co ltd
Current assignee: Shenzhen Jiyin Technology Co ltd
Priority date: 2019-08-22
Filing date: 2019-08-22
Publication date: 2020-08-07
Anticipated expiration: 2029-08-22

Abstract

The utility model discloses a precision spouts seal equipment, include: mounting a bottom plate; the positioning and conveying mechanism is arranged on the mounting base plate and comprises a jig for fixing a product and a first driving device for driving the jig to move along the Y direction and rotate by taking the Z direction as an axis; the mounting cross beam is mounted on the mounting bottom plate and is positioned at one end of the positioning and conveying mechanism along the Y direction; the image acquisition mechanism comprises an image acquisition device which is slidably arranged on the mounting cross beam and a second driving device which is connected with the image acquisition device; the jet printing system comprises a jet printing device arranged on the mounting cross beam and a medium supply device connected with the jet printing device, the medium supply device is detachably arranged on the mounting bottom plate, a second driving device is connected with the jet printing device, and the second driving device can drive the image acquisition device and the jet printing device to move along the X direction and the Z direction. The utility model discloses repeated positioning accuracy is up to 0.1um, can change as required and spout the seal medium, can realize that high accuracy and multimedium spout the seal on an equipment.

Description

Precision jet printing equipment

Technical Field

The utility model relates to an ink jet printing technology field, concretely relates to precision spouts seal equipment.

Background

Most of the existing jet printing machines in the current market use ink, UV glue and the like as jet printing media, and the jet printing is mostly used in places with low requirements on jet printing ranges, such as: billboards, promotional posters, and the like. Before shipment of the FPC board, it is necessary to print information codes, such as lot numbers, bar codes, patterns, trademarks, and characters, on the surface thereof. The structure and the technology of the traditional FPC code spraying equipment are relatively mature, but the traditional code spraying equipment has some defects in the using process, such as: the traditional code spraying equipment mainly adopts manual code spraying, has the characteristics of simplicity and easiness in use, but the traditional code spraying operation mode belongs to an electric labor-intensive process, enterprises need to invest a large amount of labor and material cost, and the production efficiency is low; moreover, most of the jet printing equipment has single function, one machine can only fixedly jet print one medium, and along with the increasing development of science and technology, the market demand for precise and multi-medium jet printing is stronger and stronger.

The application is a precision jet printing device developed aiming at the FPC jet printing process.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a precision spouts seal equipment can realize that high accuracy and multimedium spout the seal on an equipment.

To achieve the purpose, the utility model adopts the following technical proposal:

provided is a precision jet printing apparatus including:

mounting a bottom plate;

the positioning and conveying mechanism is arranged on the mounting base plate and comprises a jig for fixing a product and a first driving device for driving the jig to move along the Y direction and rotate by taking the Z direction as an axis;

the mounting cross beam is mounted on the mounting bottom plate and is positioned at one end of the positioning conveying mechanism along the Y direction;

the image acquisition mechanism comprises an image acquisition device which is slidably arranged on the mounting cross beam and a second driving device which is connected with the image acquisition device;

the jet printing system comprises a jet printing device arranged on the mounting beam and a medium supply device connected with the jet printing device, the medium supply device is detachably arranged on the mounting base plate, the second driving device is also connected with the jet printing device, and the second driving device can drive the image acquisition device and the jet printing device to move along the X direction and the Z direction.

As a preferred scheme of the precise spray printing equipment, the first driving device comprises a first mounting seat, two Y-direction guide rails arranged on the first mounting seat at intervals, a first linear motor stator positioned between the two Y-direction guide rails, a first mounting plate connected with the two Y-direction guide rails through a sliding block, a first linear motor rotor arranged below the first mounting plate, a direct-drive motor arranged on the first mounting plate and an adapter plate connected with an output shaft of the direct-drive motor, wherein the jig is fixed above the adapter plate.

As a preferred scheme of the precise spray printing equipment, the jig comprises a lower plate and an upper plate which are connected through a connecting piece, the upper plate is of a transparent structure, and a plurality of vacuum air holes are formed in the upper plate at intervals.

As a preferred scheme of accurate seal equipment that spouts, second drive arrangement including install in the installation crossbeam is close to the second mount pad of location conveying mechanism one side, the interval set up in two X on the second mount pad are to the guide rail, be located two second linear electric motor stator between the X is to the guide rail, through slider and two the second mounting panel that the X is connected to the guide rail, install in the second mounting panel is close to the second linear electric motor active cell of installation crossbeam one side, image acquisition device with spout the seal ware install in on the second mounting panel.

As a preferred scheme of precision jet printing equipment, second drive arrangement still includes and is used for adjusting the first adjusting device of the levelness of second mount pad, first adjusting device include two intervals set up in the regulating plate of installation crossbeam upside and pass the regulating plate with the threaded rod that the upside of installation crossbeam is connected.

As a preferred scheme of the precision jet printing equipment, the image acquisition device comprises a camera fixed on the second mounting plate, an annular light source arranged at one end of a lens of the camera and a micro-motion adjusting head used for adjusting the focal length of the camera.

As a preferable scheme of the precision jet printing equipment, the second driving device further comprises a Z-axis module and a Z-axis servo motor which are fixed on the second mounting plate, the jet printer and the image acquisition device are connected with the Z-axis module through a sliding plate, and the Z-axis servo motor is connected with the sliding plate and used for driving the jet printer and the image acquisition device to move along the Z direction.

As a preferable scheme of the precision jet printing device, the jet printing device comprises a control board card fixed on the sliding plate, a base and a jet printing head fixed on the base through screws, and the jet printing head is detachably connected with the medium supply device.

As a precision and spout a preferred scheme of seal equipment, spout the seal ware and still include second adjusting device, second adjusting device include two sets ofly set up along X to the interval in adjusting part on the base, each group adjusting part include two along Y set up to the interval in adjusting seat and differential regulation head on the base, be equipped with the confession fixed slot on adjusting the seat, the differential regulation head can pass the fixed slot with spout the base butt of printer head, so that the base keeps the level.

As a preferable scheme of the precision jet printing equipment, the precision jet printing equipment further comprises an outer cover mechanism, wherein the outer cover mechanism comprises an upper frame and a lower frame which are connected, an FFU (fan filter unit) installed at the upper end of the upper frame, a PC (personal computer) door positioned on one side of the upper frame and a heat dissipation exhaust fan installed on one side of the lower frame, the installation bottom plate is fixed at the bottom of the upper frame, and the positioning conveying mechanism, the installation beam, the image acquisition mechanism and the jet printing system are all positioned inside the upper frame.

The utility model has the advantages that: the utility model provides a location conveying mechanism, image acquisition mechanism and spout the integrated setting of seal system on mounting plate, can realize the removal of X axle, Y axle, Z axle and use Z to the rotation for axle (for short theta direction), repeated positioning accuracy is up to 0.1um, and the medium supply ware can be dismantled, can change as required and spout the seal medium, can realize on an equipment that high accuracy and many mediums spout the seal promptly.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below. It is obvious that the drawings described below are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be obtained from these drawings without inventive effort.

Fig. 1 is a schematic structural diagram of a first viewing angle of a precision inkjet printing apparatus according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a second viewing angle of the precision inkjet printing apparatus according to an embodiment of the present invention.

FIG. 3 is a schematic structural view of the precision jet printing apparatus according to an embodiment of the present invention after removing the outer cover mechanism

Fig. 4 is a schematic view of an installation structure of the positioning conveying mechanism and the medium supplier on the installation base plate according to an embodiment of the present invention.

Fig. 5 is an exploded schematic view of a positioning and conveying mechanism according to an embodiment of the present invention.

Fig. 6 is a schematic view of an installation structure of the second driving device partially installed on the cross beam according to an embodiment of the present invention.

Fig. 7 is an exploded view of an image capturing device and a jet printing system according to an embodiment of the present invention.

In the figure:

1. mounting a bottom plate;

2. a positioning and conveying mechanism; 21. a jig; 211. a lower layer plate; 212. an upper plate; 22. a first driving device; 221. a first mounting seat; 222. a Y-direction guide rail; 223. a first linear motor stator; 224. a first mounting plate; 225. a first linear motor mover; 226. a direct drive motor; 227. an adapter plate; 228. a dust cover; 229. a dust-proof plate;

3. mounting a cross beam;

4. an image acquisition mechanism; 41. an image acquisition device; 411. a camera; 412. an annular light source; 413. a micro-motion adjusting head; 42. a second driving device; 421. a second mounting seat; 422. an X-direction guide rail; 423. a second linear motor stator; 424. a second mounting plate; 425. a second linear motor mover; 426. an adjusting plate; 427. a threaded rod; 428. a Z-axis servo motor; 429. a slide plate;

5. a jet printing system; 51. a jet printer; 511. controlling a board card; 512. a base; 513. a jet printing head; 514. an adjusting seat; 515. a differential adjustment head; 52. a media supply; 53. a jet printing system controller;

6. a marble pillar;

7. a media flow meter;

8. a housing mechanism; 81. an upper frame; 82. a lower frame; 83. an FFU; 84. a PC door; 85. a heat dissipation exhaust fan; 86. a PSU power supply; 87. a dust removal exhaust fan; 88. sheet metal door.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are used only for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms will be understood by those skilled in the art according to the specific circumstances.

In the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" or the like, if appearing to indicate a connection relationship between the components, is to be understood broadly, for example, as being either a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 7, an embodiment of the present invention provides a precision jet printing apparatus, including:

mounting a bottom plate 1;

the positioning and conveying mechanism 2 is arranged on the installation base plate 1, and the positioning and conveying mechanism 2 comprises a jig 21 for fixing a product and a first driving device 22 for driving the jig 21 to move along the Y direction and rotate by taking the Z direction as an axis;

the mounting cross beam 3 is mounted on the mounting bottom plate 1 and is positioned at one end of the positioning and conveying mechanism 2 along the Y direction;

an image acquisition mechanism 4 including an image acquisition device 41 slidably mounted on the mounting beam 3 and a second driving device 42 connected to the image acquisition device 41;

the jet printing system 5 comprises a jet printer 51 mounted on the mounting beam 3 and a medium supplier 52 connected with the jet printer 51, wherein the medium supplier 52 is detachably mounted on the mounting base plate 1, the second driving device 42 is also connected with the jet printer 51, and the second driving device 42 can drive the image acquisition device 41 and the jet printer 51 to move along the X direction and the Z direction.

The positioning and conveying mechanism 2, the image acquisition mechanism 4 and the jet printing system 5 in the embodiment are integrally arranged on the mounting base plate 1, the movement of an X axis, a Y axis and a Z axis and the rotation taking the Z direction as an axis (theta direction for short) can be realized, the repeated positioning precision is as high as 0.1um, the medium supplier 52 can be disassembled (can be directly clamped on the mounting base plate 1 or the shell of the medium supplier 52 is fixed on the mounting base plate 1 through fasteners such as screws), the jet printing medium can be replaced as required, and high-precision and multi-medium jet printing can be realized on one device. Specifically, the precise inkjet printing device of the embodiment has the following work flow: when the flexible circuit board is in a working state, after the flexible circuit board is placed on the jig 21, the vacuum suction is started, the flexible circuit board is firmly adsorbed on the jig 21, then the first driving device 22 drives the jig 21 to move to the Y-axis working position, at the moment, the second driving device 42 drives the image acquisition mechanism 4 to also move to the working position, then the image acquisition mechanism 4 photographs the flexible circuit board to obtain the current value of the position of the flexible circuit board, the first driving device 22 adjusts the position of the flexible circuit board in the Y direction and the theta direction through the position value of the flexible circuit board through the first driving device 22 and adjusts the position of the jet printer 51 in the X direction and the Z direction through the second driving device 42, when the jet printing head of the jet printer 51 reaches a preset position, the jet printing system 5 is started to jet the jet printing medium from the printing head to jet out a preset scheme graph, and the jet printed flexible circuit board is returned to the upper material level after the jet printing, and finishing a primary spray printing task.

In this embodiment, the mounting base plate 1 is a marble platform.

As shown in fig. 1 and fig. 2, the precision inkjet printing apparatus further includes a housing mechanism 8, the housing mechanism 8 includes an upper frame 81 and a lower frame 82 connected to each other, an FFU83(Fan Filter Unit) mounted on an upper end of the upper frame 81, a PC door 84 located on one side of the upper frame 81, and a heat dissipation exhaust Fan 85 mounted on one side of the lower frame 82, the mounting base plate 1 is fixed to a bottom of the upper frame 81, and the positioning and conveying mechanism 2, the mounting beam 3, the image acquiring mechanism 4, and the inkjet printing system 5 are all located inside the upper frame 81.

Specifically, the housing mechanism 8 further includes a three-color warning lamp with a buzzer, a power-on button, a touch screen, a mouse, a keyboard, and the like, which are mounted on the upper frame 81, as well as a PSU power supply 86 and a dust removal blower 87 which are mounted inside the lower frame 82, a sheet metal door 88 with a louver mounted on the periphery of the lower frame 82 adjacent to the upper frame 81, and a foot cup and a caster mounted on the bottom of the lower frame 82.

As shown in fig. 3 to 5, the first driving device 22 includes a first mounting base 221, two Y-directional guide rails 222 disposed on the first mounting base 221 at intervals, a first linear motor stator 223 located between the two Y-directional guide rails 222, a first mounting plate 224 connected to the two Y-directional guide rails 222 through a slider, a first linear motor mover 225 mounted below the first mounting plate 224, a direct drive motor 226 mounted on the first mounting plate 224, and an adapter plate 227 connected to an output shaft of the direct drive motor 226, and the jig 21 is fixed above the adapter plate 227. After the first linear motor stator 223 is powered on, the first linear motor rotor 225 can be driven to drive the jig 21 to move along the Y direction, and the direct drive motor 226 can be driven to drive the jig 21 to rotate along the θ direction. The output shaft of the direct drive motor 226 is a high-speed rotary joint, is arranged at the right center of the jig 21, and just passes through the hollow area of the direct drive motor 226, so that the jig 21 can realize 360-degree free adjustment.

The first mounting seat 221 has dust covers 228 respectively provided at both ends in the Y direction, and plays a role of dust prevention for both ends of the Y-direction guide rail 222 and the first linear motor stator 223.

The jig 21 comprises a lower plate 211 and an upper plate 212 which are connected through a connecting piece, the upper plate 212 is of a transparent structure, and a plurality of vacuum air holes are formed in the upper plate 212 at intervals, so that the thin flexible circuit board can be firmly adsorbed and can be uniformly unfolded, and the phenomenon of wrinkles cannot be generated.

Specifically, one end of the connecting piece is connected with the upper plate 212, the other end of the connecting piece is in threaded connection with the lower plate 211, and the levelness of the upper plate 212 can be freely adjusted by rotating the connecting piece.

Further, the first mounting plate 224 is provided with an air guide hole communicated with the vacuum air hole of the jig 21 through an air pipe, an air pipe joint communicated with the air guide hole is arranged outside the first mounting plate 224, and the air pipe joint is connected with a vacuum pumping device.

The first mounting base 221 is provided with a plurality of U-shaped photoelectric sensors on two sides along the X direction.

In this embodiment, two dust-proof plates 229 are respectively disposed on two sides of the jig 21 along the Y direction, so as to protect the direct-drive motor 226 from dust.

In the present embodiment, as shown in fig. 6 and 7, the second driving device 42 includes a second mounting base 421 mounted on the mounting beam 3 on the side close to the positioning and conveying mechanism 2, two X-directional guide rails 422 provided on the second mounting base 421 at intervals, a second linear motor stator 423 positioned between the two X-directional guide rails 422, a second mounting plate 424 connected to the two X-directional guide rails 422 via a slider, and a second linear motor mover 425 mounted on the second mounting plate 424 on the side close to the mounting beam 3, and the image acquiring device 41 and the inkjet printer 51 are mounted on the second mounting plate 424. The second linear motor mover 425 may be driven to move in the X direction by the second linear motor stator 423.

Further, the second driving device 42 further includes a first adjusting device for adjusting the levelness of the second mounting seat 421, and the first adjusting device includes two adjusting plates 426 disposed at intervals on the upper side of the mounting beam 3 and a threaded rod 427 connected to the upper side of the mounting beam 3 through the adjusting plates 426. The levelness adjustment of the second mount 421 can be achieved by screwing the threaded rod 427.

In this embodiment, the mounting beam 3 is fixed on the mounting base plate 1 by two marble columns 6 arranged at intervals, and one side of one of the marble columns 6 is further provided with a jet printing system controller 53 connected with the jet printing system 5. A plurality of U-shaped photoelectric sensors are respectively disposed at intervals on two sides of the second mounting base 421 along the Z direction.

Wherein, still be equipped with medium flowmeter 7 above installation crossbeam 3 for detect the flow size of spouting seal medium.

The image capturing device 41 includes a camera 411 fixed on the second mounting plate 424, a ring light source 412 disposed at one end of the lens of the camera 411, and a fine adjustment head 413 for adjusting the focal length of the camera 411, so as to improve the quality of the image captured by the camera 411. Wherein, the camera 411 adopts a Kangnai vision camera with the model number of CAM-CIC-10 MR-10-G.

The second driving device 42 further includes a Z-axis module and a Z-axis servo motor 428 fixed on the second mounting plate 424, the inkjet printer 51 and the image capturing device 41 are connected with the Z-axis module through a sliding plate 429, and the Z-axis servo motor 428 is connected with the sliding plate 429 to drive the inkjet printer 51 and the image capturing device 41 to move along the Z direction, so that the function of real-time adjustment of the relative distance between the inkjet head of the inkjet printer 51 and the lens of the camera 411 and the flexible circuit board is realized.

The inkjet printer 51 includes a control board 511 fixed to a slide 429, a base 512, and an inkjet head 513 fixed to the base 512 by screws, and the inkjet head 513 is detachably connected to the medium supply 52. Base 512 is secured to the lower end of sled 429. The base 512 has a through hole for the printhead 513 to pass through. The inkjet head 513 is a XAAR precision inkjet head. The structure of the inkjet printer 51 in this embodiment belongs to the prior art, and details are not described again.

The jet printing device 51 in this embodiment further includes a second adjusting device, the second adjusting device includes two sets of adjusting components disposed on the base 512 at intervals along the X direction, each set of adjusting components includes two adjusting seats 514 disposed on the base 512 at intervals along the Y direction and a differential adjusting head 515, a fixing groove is disposed on the adjusting seat 514, and the differential adjusting head 515 can pass through the fixing groove to abut against the base of the jet printing head 513, so that the base can be kept horizontal. The printing head 513 is a high-precision array pinhole printing head, and a plurality of printing holes are formed in the printing head 513, and each printing hole can be independently controlled to be opened or closed.

It should be understood that the above-described embodiments are merely illustrative of the preferred embodiments of the present invention and the technical principles thereof. It will be understood by those skilled in the art that various modifications, equivalents, changes, and the like can be made to the present invention. However, these modifications are within the scope of the present invention as long as they do not depart from the spirit of the present invention. In addition, certain terms used in the specification and claims of the present application are not limiting, but are used merely for convenience of description.

Claims

1. A precision jet printing apparatus, comprising:

mounting a bottom plate;

2. The precision jet printing equipment according to claim 1, wherein the first driving device comprises a first mounting base, two Y-direction guide rails arranged on the first mounting base at intervals, a first linear motor stator positioned between the two Y-direction guide rails, a first mounting plate connected with the two Y-direction guide rails through a sliding block, a first linear motor rotor arranged below the first mounting plate, a direct-drive motor arranged on the first mounting plate, and an adapter plate connected with an output shaft of the direct-drive motor, and the jig is fixed above the adapter plate.

3. The precision jet printing equipment according to claim 2, wherein the jig comprises a lower plate and an upper plate which are connected through a connecting piece, the upper plate is of a transparent structure, and a plurality of vacuum air holes are formed in the upper plate at intervals.

4. The precision inkjet printing apparatus according to claim 1, wherein the second driving device includes a second mounting base mounted on a side of the mounting beam close to the positioning and conveying mechanism, two X-directional guide rails spaced apart from each other on the second mounting base, a second linear motor stator located between the two X-directional guide rails, a second mounting plate connected to the two X-directional guide rails by a slider, and a second linear motor mover mounted on a side of the second mounting plate close to the mounting beam, wherein the image acquiring device and the inkjet printer are mounted on the second mounting plate.

5. The precision jet printing apparatus according to claim 4, wherein the second driving device further comprises a first adjusting device for adjusting the levelness of the second mounting seat, the first adjusting device comprises two adjusting plates arranged at intervals on the upper side of the mounting beam and a threaded rod connected with the upper side of the mounting beam through the adjusting plates.

6. The precision jet printing equipment according to claim 5, wherein the image acquisition device comprises a camera fixed on the second mounting plate, an annular light source arranged at one end of a lens of the camera, and a micro-adjustment head used for adjusting the focal length of the camera.

7. The precision jet printing equipment according to claim 5, wherein the second driving device further comprises a Z-axis module and a Z-axis servo motor which are fixed on the second mounting plate, the jet printer and the image acquisition device are connected with the Z-axis module through a sliding plate, and the Z-axis servo motor is connected with the sliding plate and used for driving the jet printer and the image acquisition device to move along the Z direction.

8. The precision inkjet printing apparatus according to claim 7 wherein the inkjet printer includes a control board fixed to the slide plate, a base, and an inkjet head fixed to the base by screws, the inkjet head being detachably connected to the media supply.

9. The precision jet printing apparatus according to claim 8, wherein the jet printer further comprises a second adjusting device, the second adjusting device comprises two sets of adjusting components arranged on the base at intervals along the X direction, each set of adjusting components comprises two adjusting seats arranged on the base at intervals along the Y direction and a differential adjusting head, a fixing groove is arranged on each adjusting seat, and the differential adjusting head can pass through the fixing groove to abut against the base of the jet head so as to keep the base horizontal.

10. The precision inkjet printing apparatus according to any one of claims 1 to 9, further comprising a housing mechanism, wherein the housing mechanism comprises an upper frame and a lower frame which are connected, an FFU mounted on the upper end of the upper frame, a PC door located on one side of the upper frame, and a heat dissipation exhaust fan mounted on one side of the lower frame, the mounting base plate is fixed on the bottom of the upper frame, and the positioning conveying mechanism, the mounting beam, the image capturing mechanism, and the inkjet printing system are all located inside the upper frame.