CN215114403U

CN215114403U - Visual recognition device of printing equipment

Info

Publication number: CN215114403U
Application number: CN202121723423.8U
Authority: CN
Inventors: 刘双
Original assignee: Shenzhen Dingli Digital Technology Co ltd
Current assignee: Shenzhen Dingli Digital Technology Co ltd
Priority date: 2021-07-27
Filing date: 2021-07-27
Publication date: 2021-12-10
Anticipated expiration: 2031-07-27

Abstract

The utility model relates to a circuit board printing apparatus technical field, need artifical readjustment to lead to technical problem with high costs and inefficiency when passing through in order to solve traditional printing apparatus's visual identification device detection, the utility model provides a printing apparatus visual identification device, including detecting crossbeam and platform subassembly, it is provided with the level to actuating mechanism to detect the crossbeam, and the level includes the slip subassembly to actuating mechanism, and the slip subassembly is connected with the mounting panel, installs at least a set of camera and the light source that is used for detecting the plate body on the mounting panel, and the platform subassembly is used for bearing and fixes a position the plate body that awaits measuring, and the platform subassembly is provided with the rotating electrical machines, and the rotating electrical machines is used for the angular adjustment when the plate body squints. Through camera and light source acquisition image information, when detecting out the plate body skew, utilize current controller to control the rotating electrical machines, rotatory to the standard position, guaranteed the operation precision, manual work and time cost have been practiced thrift in automatic adjustment, have promoted efficiency.

Description

Visual recognition device of printing equipment

Technical Field

The utility model relates to a circuit board printing apparatus technical field, concretely relates to printing apparatus visual identification device.

Background

With the wide application of circuit boards, the traditional silk-screen process is replaced by a character printing process, the character printing equipment of the circuit boards is widely applied, and the current quality requirement on products is higher and higher.

When the circuit board character printing equipment is used for printing, the position of the circuit board needs to be calibrated, two or more MARK points of the circuit board are detected through a camera, visual identification and detection are carried out, and whether the current circuit board position is correct or not is judged. Traditional printing apparatus is very high to the requirement of putting into the circuit board, when the circuit board takes place angular deflection in the horizontal direction, hardly through detecting, needs artifical readjustment to ajust, has wasted the manpower, has increased artifical and time cost, and is inefficient.

SUMMERY OF THE UTILITY MODEL

Need artifical readjustment to lead to with high costs and the technical problem of inefficiency when the visual identification device of solving traditional printing apparatus detects and passes through, the utility model provides a printing apparatus visual identification device.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

the utility model provides a printing apparatus visual identification device, is including detecting crossbeam and platform subassembly, it is provided with the level to actuating mechanism to detect the crossbeam, the level includes the slip subassembly to actuating mechanism, the slip subassembly is connected with the mounting panel, install a set of camera and the light source at least that is used for detecting the plate body on the mounting panel, the platform subassembly is used for bearing and fixes a position the plate body that awaits measuring, the platform subassembly is provided with the rotating electrical machines, the angular adjustment when the rotating electrical machines is used for the plate body skew. Through camera and light source acquisition image information, when detecting out the plate body skew, utilize current controller to control the rotating electrical machines, rotatory to the standard position, guaranteed the operation precision, manual work and time cost have been practiced thrift in automatic adjustment, have promoted efficiency.

Preferably, the level is including installing to actuating mechanism the linear electric motor stator of detection crossbeam, the both sides of linear electric motor stator are provided with the guide rail respectively, install the slider on the guide rail, be provided with the active cell on the linear electric motor stator, slider and active cell constitute sliding assembly, slider, active cell are connected with the mounting panel respectively, the active cell is used for driving the mounting panel along the level to removing, and linear electric motor's mechanical vibration and noise are very little.

Further, the mounting panel is provided with the link, the link is connected with camera and light source, the camera is located directly over the light source.

Further, the link includes main link, camera link and light source link, main even frame fixed mounting is on the mounting panel, the camera link respectively with main link, camera fixed connection, the light source link respectively with main link, light source fixed connection, easily independently change the adjustment.

Further, the detection beam is further provided with a mounting groove, and the linear motor stator is mounted in the mounting groove, so that stability is guaranteed.

Further, the platform subassembly includes the platform, the rotating electrical machines sets up the bottom of platform, the upper surface of platform is provided with the vacuum gas pocket, the bottom of platform is provided with the air pipe connector, the inside of platform is provided with and is used for UNICOM the gas circuit of vacuum gas pocket and air pipe connector makes the plate body hug closely the platform through vacuum adsorption.

Furthermore, the adjacent both sides of platform are provided with fixed positioning mechanism, with the both sides that fixed positioning mechanism is relative are provided with slide adjusting positioning mechanism, slide adjusting positioning mechanism is used for the not unidimensional plate body of adaptation.

Further, fixed position mechanism includes that the array sets up cylinder, the clamp sleeve that sets up on platform upper portion and the telescopic hole who link up the platform in platform bottom, the piston rod of cylinder runs through behind the telescopic hole with the clamp sleeve is connected, has improved the fastness that the plate body is connected with the platform, is difficult for appearing the skew.

Further, slide adjusting positioning mechanism is including installing in X of platform bottom to actuating mechanism, Y to actuating mechanism and the track groove that link up the platform, X is connected with the carriage respectively to actuating mechanism and Y to actuating mechanism, install the cylinder on the carriage, the piston rod of cylinder runs through behind the track groove with the clamping sleeve is connected, has improved the fastness that plate body and platform are connected, is difficult for appearing the skew.

Preferably, two groups of cameras and light sources are mounted on the mounting plate, and two groups of cameras and light sources are used for detecting two MARK points respectively, so that the efficiency is higher.

Implement the utility model discloses the beneficial effect who brings is:

through camera and light source acquisition image information, when detecting out the plate body skew, utilize current controller to control the rotating electrical machines, rotatory to the standard position, guaranteed the operation precision, manual work and time cost have been practiced thrift in automatic adjustment, have promoted efficiency. In addition, linear electric motor mechanical vibration and noise are very little, have improved the accuracy that detects, and a plurality of link that are independent each other are easily independently changed the adjustment, have guaranteed stability for the mounting groove that the linear electric motor stator used, make the plate body hug closely the platform through vacuum adsorption, and slide adjusting positioning mechanism is used for the not unidimensional plate body of adaptation, presss from both sides tight plate body through the clamp sleeve and has improved the fastness, and two sets of cameras and light source detect two MARK points respectively, and efficiency is higher.

Drawings

Fig. 1 is a perspective view of a PCB printing base device provided in an embodiment of the present invention;

fig. 2 is a perspective view of a detecting beam provided in the embodiment of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

fig. 4 is a top side view of a platform assembly provided by an embodiment of the present invention;

fig. 5 is a side view of the bottom of the platform assembly according to the embodiment of the present invention;

fig. 6 is a second bottom side view of the platform assembly according to the embodiment of the present invention.

In the figure: a base 10; a base plate 11; a groove 111; a support base 12; a flat through 13, a support beam 14; a detection beam 20; a transverse portion 21; a vertical portion 22; a mount 23; a mounting groove 24; a linear motor stator 31; a guide rail 32; a slider 33; a limit buffer seat 34; a sensing piece 35; an inductive switch 36; a mounting plate 37; a camera 38; a light source 39; a connecting frame 40; a main link frame 41; a camera attachment frame 42; a light source attachment frame 43; a fixed positioning mechanism 60; a slide adjusting positioning mechanism 70; an X-direction drive mechanism 71; a Y-direction drive mechanism 72; a platform 80; a clamping sleeve 81; a cylinder 82; a rail groove 83; a rotating electric machine 84; a carriage 85; a gas pipe joint 86; a first side 91; a second edge 92; a third side 93; a fourth side 94.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and 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.

The environment of a factory and the running precision influence printed products, and the improvement of the product quality is also a core problem, and at present, because of the influence of factors such as factory environment influence (including ground vibration, temperature and stress) and the like, the running precision influences the products in the detection process before printing, so that the detection precision is not high.

Referring to fig. 1 to 3, as a base 10 for bearing and fixing, the base includes a bottom plate 11, the bottom plate 11 is connected with a flat through 13 for supporting around, the left and right sides of the bottom plate 11 are respectively and fixedly connected with a supporting seat 12, supporting beams 14 are installed on two sides of the supporting seat 12, and the bottom plate 11, the supporting seat 12 and the supporting beams 14 are all made of marble. Compare the metal product base and receive its expend with heat and contract with cold characteristic influence and easily produce deformation, the base of marble material provides the stability of equipment major structure and the precision of operation, prevents the influence that outer vibrations brought, and the structure is even, and the coefficient of linear expansion is little, and the internal stress disappears completely, and indeformable makes the guide rail precision of installation more stable, and acid and alkali-resistance improves life, improves and prints precision and quality, has prolonged printing apparatus's life-span.

Flat expert 13 includes that the front side is flat expert, the flat expert of rear side, the flat expert in left side and the flat expert in right side enclose synthetic rectangle, and flat expert 13 plays the support connection effect, makes things convenient for side bounding wall quick assembly disassembly and maintenance.

Rectangular grooves 111 are formed in two ends of the middle of the bottom plate 11, the grooves 111 are used for passing wires, a wire harness sequentially penetrates through the two grooves 111, a protective cover 15 is further arranged above the wire harness, and the grooves 111 and the protective cover 15 divide the upper portion of the bottom plate 11 into a bottom plate front portion and a bottom plate rear portion.

The supporting seat 12 is of a pi-shaped structure, a notch for avoiding the protective cover 15 is formed in the middle lower portion of the supporting seat 12, and the two vertical supporting portions of the supporting seat 12 are fixedly connected to the front portion of the bottom plate and the rear portion of the bottom plate respectively.

The middle lower part of the supporting beam 14 is provided with a rectangular notch for passing a wire, so that the supporting beam 14 forms a U-shaped structure, the rectangular notch is opposite to the groove 111, and two sides of the rectangular notch of the supporting beam 14 are respectively and fixedly connected to the front part and the rear part of the bottom plate.

The vertical corner of the supporting seat 12 is set to be a chamfer, and the outer side corner of the supporting beam 14 is set to be a chamfer, so that the burrs are removed to make the supporting seat attractive, the sharpness is eliminated, the cutting injury of a user is avoided, and the assembly is facilitated.

The upper part of the support base 12 is provided with a driving mechanism for driving the platform transfer mechanism mounted thereon. The supporting beam 14 is provided with mounting holes for fixedly connecting the detecting beam 20 and the printing beam.

The utility model provides a printing apparatus visual identification device, is including the detection crossbeam 20 that is used for detecting the plate body, and this plate body is the plate body of circuit board usually, detects crossbeam 20 fixed mounting on supporting beam 14, detects crossbeam 20 and adopts the marble material, and the base 10 of marble material and the high accuracy when detecting has been guaranteed to detection crossbeam 20.

The detection beam 20 comprises a transverse portion 21, two ends of the transverse portion 21 are respectively provided with a vertical portion 22, the bottom of the vertical portion 22 is provided with a mounting seat 23, and the mounting seat 23 is provided with a mounting seat connecting hole fixedly connected with the supporting beam 14, so that the detection beam 20 is easy to mount. The vertical corners of the detection beam 20 are provided with chamfers, which are safe and easy to assemble.

The vertical surface of the transverse part 21 is provided with a horizontal driving mechanism which is a linear motor driving mechanism or a screw rod motor driving mechanism or an air cylinder driving mechanism.

In one embodiment of the present invention, the horizontal driving mechanism is preferably a linear motor driving mechanism. Compared with the prior art, the linear motor is directly driven, has small mechanical vibration and noise, avoids the motion hysteresis phenomena caused by elastic deformation, frictional wear and reverse clearance of an intermediate transmission link during starting, speed changing and reversing, simultaneously improves the transmission rigidity of the linear motor, and further improves the detection accuracy.

The horizontal driving mechanism comprises a sliding assembly, the sliding assembly is connected with a mounting plate 37, and a camera 38 and a light source 39 are mounted on the mounting plate 37. The camera 38 is used for taking pictures or taking pictures, and the light source 39 is used for illuminating a target, so that the brightness is improved, an effect beneficial to image processing is formed, the interference of ambient light is overcome, and the stability of the image is ensured.

Specifically, the horizontal driving mechanism includes a linear motor stator 31, guide rails 32 installed at both sides of the linear motor stator 31, a slider 33 installed on the guide rails 32, a mover moving along the linear motor stator 31, the slider 33 and the mover constituting a sliding assembly, the mover and the slider 33 being commonly connected to a mounting plate 37, the mounting plate 37 being connected to a camera 38 and a light source 39 through a connecting frame 40, the mounting plate 37 moving in a horizontal direction under the driving of the linear motor.

Further, the connecting frame 40 includes a main connecting frame 41, the main connecting frame 41 is installed on the installation plate 37, the main connecting frame 41 is connected with the camera 38 through a camera connecting frame 42, the main connecting frame 41 is connected with the light source 39 through a light source connecting frame 43, the connecting frames independent of each other are easy to independently replace and adjust, and the camera 38 is arranged above, namely right above, the light source 39 in the vertical direction.

Further, since the linear motor is installed at the vertical surface, in order to maintain the stability of the linear motor stator 31, the vertical side surface of the lateral portion 21 is provided with the installation groove 24, and the linear motor stator 31 is installed at the installation groove 24.

Further, the two ends of the linear motor stator 31 are respectively provided with a limiting buffer seat 34, the limiting buffer seats 34 are used for reducing the collision of the mounting plate 37 exceeding the travel range under the extreme condition, the limiting buffer seats 34 avoid the potential excessive impact, reduce the mechanical vibration and the noise and improve the detection accuracy.

Further, the transverse portion 21 is further provided with an induction switch 36, the mounting plate 37 is provided with an induction sheet 35, when the mounting plate 37 moves to the limit position, the induction sheet 35 is scratched into the induction switch 36 and detected by a system, the linear motor is automatically controlled to stop moving, the in-place detection is carried out, the movement out of the limit position is avoided, and the safety is guaranteed.

In one embodiment of the present invention, the inductive switch 36 is preferably a U-shaped slot photoelectric switch.

Referring to fig. 4 to 6, as a platform assembly for supporting and positioning a board, the board is generally a board of a circuit board, and includes a platform 80, a vacuum hole is formed on an upper surface of the platform 80, an air pipe joint 86 is formed at a bottom of the platform 80, an air passage connected to the vacuum hole and the air pipe joint 86 is formed inside the platform 80, and the board is tightly attached to the platform by vacuum adsorption. The center of the bottom of the platform 80 is also provided with a rotating motor 84 for fine adjustment of the angle of the platform 80. Image information is collected through the camera 38 and the light source 39, when the plate body deviation is detected, the rotating motor 84 is controlled by the existing controller to rotate to a standard position, the operation precision is guaranteed, the labor and time cost are saved through automatic adjustment, and the efficiency is improved.

Further, two adjacent sides of the platform 80 are provided with fixed positioning mechanisms 60, two sides opposite to the fixed positioning mechanisms 60 are provided with sliding adjustment positioning mechanisms 70, and the sliding adjustment positioning mechanisms 70 are adapted to plates with different sizes.

Further, the fixed positioning mechanism 60 comprises an array of air cylinders 82 arranged at the bottom of the platform, clamping sleeves 81 arranged on the upper portion of the platform and telescopic holes penetrating through the platform, piston rods of the air cylinders 82 penetrate through the telescopic holes and then are connected with the clamping sleeves 81, firmness of connection of the plate body and the platform 80 is improved, and deviation is not prone to occurring.

Further, the sliding adjusting and positioning mechanism 70 comprises an X-direction driving mechanism 71 and a Y-direction driving mechanism 72 which are installed at the bottom of the platform, and a track groove 83 which penetrates through the platform 80, the X-direction driving mechanism 71 and the Y-direction driving mechanism 72 are respectively connected with a sliding frame 85, an air cylinder 82 is installed on the sliding frame 85, a piston rod of the air cylinder 82 penetrates through the track groove 83 and then is connected with a clamping sleeve 81, and the clamping sleeve 81 improves the firmness of connection of the plate body and the platform 80 and is not prone to deviation. The X-direction driving mechanism 71 and the Y-direction driving mechanism 72 drive the positioning assembly to move along the rail groove 83, and the positioning assembly is composed of a sliding frame 85, a cylinder 82 and a clamping sleeve 81.

Platform 80 is the rectangle, platform 80 includes first limit 91 that the head and the tail connected gradually, second limit 92, third limit 93 and fourth side 94, border department that is close to first limit 91 and second limit 92 is provided with the concertina hole, the concertina hole is linear array and arranges, be provided with long and narrow track groove 83 on the platform mesa that is close to third limit 93 and fourth side 94, be close to being parallel to each other between a plurality of track grooves of third limit 93, be close to being parallel to each other between a plurality of track grooves of fourth side 94, be close to the sideline of the track groove perpendicular to third limit 93 of third limit 93, be close to the sideline of the track groove perpendicular to fourth side 94 of fourth side 94.

Under the control of the system, the camera 38 and the light source 39 slide along the guide rail 32 to search two MARK points on the circuit board, judge whether the circuit board is placed correctly, and send the circuit board to the printing area for printing after passing the inspection.

Only one set of camera 38 and light source 39 may be provided, and after one MARK point is detected, the camera 38 and light source 39 are slid to detect another MARK point, so that the cost can be saved.

Two groups of cameras 38 and light sources 39 can be arranged to detect two MARK points respectively, so that the detection speed is increased relative to one group, and the detection efficiency is improved.

Implement the utility model discloses the beneficial effect who brings is:

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a printing apparatus visual identification device, is including detecting crossbeam and platform subassembly, its characterized in that, it is provided with the level to actuating mechanism to detect the crossbeam, the level includes the slip subassembly to actuating mechanism, the slip subassembly is connected with the mounting panel, install a set of camera and the light source at least that is used for detecting the plate body on the mounting panel, the platform subassembly is used for bearing and fixes a position the plate body that awaits measuring, the platform subassembly is provided with the rotating electrical machines, the rotating electrical machines is used for the angular adjustment when the plate body squints.

2. The visual identification device of printing equipment according to claim 1, wherein the horizontal driving mechanism comprises a linear motor stator mounted on the detection beam, guide rails are respectively disposed on two sides of the linear motor stator, a slider is mounted on the guide rails, a mover is disposed on the linear motor stator, the slider and the mover form a sliding assembly, the slider and the mover are respectively connected to the mounting plate, and the mover is used for driving the mounting plate to move in the horizontal direction.

3. The visual identification device of printing equipment according to claim 1 or 2, wherein the mounting plate is provided with a connecting frame, the connecting frame is connected with the camera and the light source, and the camera is positioned right above the light source.

4. The visual identification device of printing equipment as claimed in claim 3, wherein the connecting frame comprises a main connecting frame, a camera connecting frame and a light source connecting frame, the main connecting frame is fixedly mounted on the mounting plate, the camera connecting frame is respectively fixedly connected with the main connecting frame and the camera, and the light source connecting frame is respectively fixedly connected with the main connecting frame and the light source.

5. The visual recognition device of claim 2, wherein the detection beam is further provided with a mounting groove, and the linear motor stator is mounted in the mounting groove.

6. The visual identification device of printing equipment according to claim 1, wherein the platform assembly comprises a platform, the rotating motor is arranged at the bottom of the platform, the upper surface of the platform is provided with a vacuum air hole, the bottom of the platform is provided with an air pipe joint, and an air passage for communicating the vacuum air hole with the air pipe joint is arranged inside the platform.

7. The visual identification device of printing equipment as claimed in claim 6, wherein the platform is provided with fixed positioning mechanisms on two adjacent sides, and sliding adjusting positioning mechanisms on two opposite sides of the fixed positioning mechanisms, and the sliding adjusting positioning mechanisms are used for adapting to plate bodies with different sizes.

8. The visual identification device of printing equipment as claimed in claim 7, wherein the fixed positioning mechanism comprises air cylinders arranged at the bottom of the platform in an array manner, clamping sleeves arranged at the upper part of the platform and telescopic holes penetrating through the platform, and piston rods of the air cylinders penetrate through the telescopic holes and then are connected with the clamping sleeves.

9. The visual recognition device of claim 8, wherein the sliding adjustment positioning mechanism comprises an X-direction driving mechanism, a Y-direction driving mechanism and a rail groove penetrating through the platform, the X-direction driving mechanism and the Y-direction driving mechanism are mounted at the bottom of the platform, the sliding frames are respectively connected with the X-direction driving mechanism and the Y-direction driving mechanism, the sliding frames are provided with air cylinders, and piston rods of the air cylinders penetrate through the rail groove and then are connected with the clamping sleeves.

10. A visual identification device of a printing apparatus as claimed in claim 1 or 2 wherein two sets of cameras and light sources are mounted on said mounting plate.