CN216836035U

CN216836035U - Automatic pad printing equipment

Info

Publication number: CN216836035U
Application number: CN202220165130.0U
Authority: CN
Inventors: 何超荣
Original assignee: Dongwan Winon Precision Machinery Co ltd
Current assignee: Dongwan Winon Precision Machinery Co ltd
Priority date: 2022-01-20
Filing date: 2022-01-20
Publication date: 2022-06-28
Anticipated expiration: 2032-01-20

Abstract

The utility model relates to the technical field of pad printing equipment, in particular to automatic pad printing equipment, which comprises a workbench, a pad printing device arranged on the workbench, a conveying device arranged on the workbench, a turntable, a mechanical arm, a visual positioning device and a position adjusting device; the rotary table is connected with a first power element, a plurality of jig tables are arranged on the upper side surface of the rotary table along the circumferential direction, and the jig tables are provided with through holes communicated to the bottom surface of the rotary table; the position adjusting device is positioned below the turntable; the position adjusting device comprises a first picking claw vertically aligned with a through hole of one of the jig tables and a power mechanism for driving the first picking claw to move and rotate. Through the cooperation of manipulator, conveyor and carousel, accomplish automatic unloading of going up, carry out accurate position adjustment through position adjusting device cooperation vision positioner with the work piece that is located the tool platform, prevented printing positional deviation, whole operating efficiency obtains obviously promoting.

Description

Automatic pad printing equipment

Technical Field

The utility model belongs to the technical field of the bat printing equipment technique and specifically relates to indicate an automatic bat printing equipment.

Background

The pad printing device is an automatic device for printing, is suitable for printing the surfaces of molded products such as plastic, toys, glass, metal, ceramics, electronics, IC seals and the like, and is a main method for printing and forming decorations on the surfaces of various products. The existing transfer printing device transfers the oil seal on the template to a workpiece by driving a rubber head through a cylinder; the actual pad printing operation is that a worker sits beside a pad printing device, places a workpiece on a jig right below a rubber head, adjusts the position of the workpiece on the jig so that the surface of the workpiece to be printed is aligned with the rubber head, extends a rear template, moves the rubber head downwards, firstly touches ink on the template to enable the ink with patterns to be attached to the surface of the rubber head, then retracts the template, further descends the rubber head to touch the surface of the workpiece to finish printing, and then manually discharges the workpiece, and the operation is circulated. Above-mentioned operation process is efficient, and the cost of labor is high, and often fixes a position the work piece through the manual work, leads to the printing position not accurate enough, and product quality is unstable.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide an automatic transfer printing equipment, through the cooperation of manipulator, conveyor and carousel, accomplish automatic unloading of going up, carry out accurate position adjustment through the work piece that position adjustment device cooperation vision positioner will be located the tool platform, prevented printing offset, whole operating efficiency is obviously promoted.

In order to solve the technical problem, the utility model discloses a following technical scheme:

an automatic pad printing device comprises a workbench, a pad printing device arranged on the workbench, a conveying device arranged on the workbench, a turntable, a manipulator, a visual positioning device and a position adjusting device; the rotary table is positioned at one side of the conveying device, and the mechanical arm, the visual positioning device, the position adjusting device and the pad printing device are respectively arranged around the rotary table;

the rotary table is connected with a first power element, and a plurality of jig tables are arranged on the upper side surface of the rotary table along the circumferential direction; the first power element drives the turntable to rotate intermittently so that the jig table passes through the manipulator, the visual positioning device, the position adjusting device and the pad printing device;

the jig table is provided with a through hole communicated to the bottom surface of the rotary table; the position adjusting device is positioned below the turntable; the position adjusting device comprises a first picking claw vertically aligned with a through hole of one of the jig tables and a power mechanism for driving the first picking claw to move and rotate.

Preferably, the visual positioning device is vertically aligned with the position adjusting device; the first picking claw is a sucker piece.

Preferably, the visual positioning device comprises a visual support, a camera mounted on the visual support, an adjusting mechanism for adjusting the position of the camera, and a light source device located below the camera.

Preferably, the number of the pad printing devices is two, and the two pad printing devices respectively surround the turntable and are arranged at intervals;

the turntable drives the jig table to pass through the two pad printing devices in sequence, the jig table enters an interval vacancy between the two pad printing devices after passing through the first pad printing device, and then the jig table is transferred to the lower side of the second pad printing device.

Preferably, the pad printing device comprises a frame provided with a processing area, a rubber head arranged on the frame, a third power element for driving the rubber head to extend into and exit from the processing area, a pad printing plate positioned on one side of the processing area, a fourth power element for driving the pad printing plate to extend into and exit from the processing area, an ink cup for replenishing ink to the pad printing plate, a cleaning mechanism for removing ink from the rubber head, and a fifth power element for driving the cleaning mechanism to extend into and exit from the processing area.

Preferably, the conveying device comprises a conveying frame, a conveying belt, a second power element, a stopping mechanism, a jacking mechanism and a positioning mechanism; the conveying belt is arranged on the conveying frame, the second power element drives the conveying belt to rotate along the conveying frame, the stopping mechanism and the jacking mechanism are positioned below the conveying frame, and the positioning mechanism is arranged on one side of the conveying frame;

the conveyer belt is used for transferring the charging tray, stop the mechanism and be used for stopping the charging tray in moving, positioning mechanism is used for contradicting spacing to the charging tray that stops moving, climbing mechanism is used for the work piece jack-up that will be located the charging tray.

Preferably, the robot arm includes a robot arm and a second pick-up jaw mounted at an end of the robot arm.

The beneficial effects of the utility model reside in that:

the automatic pad printing equipment is provided, automatic feeding and discharging are realized through the cooperation of the manipulator and the conveying device and the turntable, manual intervention is not needed, and the operation efficiency is improved; through the cooperation of the visual positioning device and the position adjusting device, the workpiece on the jig table is accurately adjusted in position, so that the printing position is accurate, and the yield is guaranteed.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic view of the top view structure of the hidden conveying device of the present invention.

Fig. 3 is a schematic structural diagram of the position relationship among the turntable, the visual positioning device and the position adjusting device of the present invention.

Fig. 4 is a schematic side view of the position relationship between the middle rotary table, the visual positioning device and the position adjusting device according to the present invention.

Fig. 5 is a schematic perspective view of the pad printing device of the present invention.

Fig. 6 is a schematic front view of the pad printing device of the present invention.

Fig. 7 is a schematic top view of the conveying device of the present invention.

Fig. 8 is a schematic perspective view of the robot of the present invention.

Detailed Description

The present invention will be further described with reference to the following examples, which are not intended to limit the scope of the present invention.

As shown in fig. 1 to 8, an automatic pad printing apparatus comprises a workbench 1 and a pad printing device installed on the workbench 1, and further comprises a conveying device installed on the workbench 1, a turntable 11, a manipulator, a vision positioning device and a position adjusting device; the turntable 11 is positioned at one side of the conveying device, and the manipulator, the visual positioning device, the position adjusting device and the pad printing device are respectively arranged around the turntable 11;

the rotary table 11 is connected with a first power element 12, and a plurality of jig tables 13 are arranged on the upper side surface of the rotary table 11 along the circumferential direction; the first power element 12 drives the rotary table 11 to rotate intermittently so that the jig table 13 passes through the manipulator, the vision positioning device, the position adjusting device and the pad printing device;

the jig table 13 is provided with a through hole 14 communicated to the bottom surface of the rotary table 11; the position adjusting device is positioned below the turntable 11; the position adjusting device comprises a first picking claw 2 vertically aligned with a through hole 14 of one of the jig tables 13 and a power mechanism 21 for driving the first picking claw 2 to move and rotate.

The power mechanism 21 is preferably composed of a motor matched with a screw rod and a nut seat, horizontal movement and up-and-down lifting movement are realized by stacking the design, and the rotation can be directly connected with the motor for driving.

In this embodiment, the visual positioning device is vertically aligned with the position adjustment device; the first pick-up jaw 2 is a chuck member.

In this embodiment, the visual positioning device includes a visual support 3, a camera 31 mounted on the visual support 3, an adjusting mechanism 32 for adjusting the position of the camera 31, and a light source 33 located below the camera 31. The camera 31 takes a picture of the workpiece on the jig table 13, and the light source 33 complements the light source to make the picture have high imaging brightness and easy recognition.

In this embodiment, the number of the pad printing devices is two, and the two pad printing devices respectively surround the turntable 11 and are arranged at intervals;

the turntable 11 drives the jig table 13 to pass through the two pad printing devices in sequence, and the jig table 13 enters an interval vacancy between the two pad printing devices after passing through the first pad printing device and then is transferred to the lower part of the second pad printing device.

In this embodiment, the pad printing apparatus includes a frame 4 provided with a processing area 41, an adhesive head 42 mounted on the frame 4, a third power member 43 for driving the adhesive head 42 to extend into and exit from the processing area 41, a pad 44 located on one side of the processing area 41, a fourth power member for driving the pad 44 to extend into and exit from the processing area 41, an ink cup 45 for supplying ink to the pad 44, a cleaning mechanism 46 for removing ink from the adhesive head 42, and a fifth power member 47 for driving the cleaning mechanism 46 to extend into and exit from the processing area 41.

The cleaning mechanism 46 includes a piece of adhesive paper, one end of the piece of adhesive paper is a winding-up roller, the other end of the piece of adhesive paper is a winding-up roller, when the adhesive head 42 needs to be cleaned, the adhesive head 42 moves down to touch the piece of adhesive paper, the residual ink on the adhesive head 42 is stuck by the piece of adhesive paper, and the effect of cleaning the adhesive head 42 is achieved.

The fourth power element for driving the pad 44 is preferably implemented using an air cylinder or motor in combination with a lead screw and nut mount, not shown.

In this embodiment, the conveying device includes a conveying frame 5, a conveying belt 51, a second power element 52, a stopping mechanism 53, a jacking mechanism 54 and a positioning mechanism 55; the conveying belt 51 is arranged on the conveying frame 5, the second power element 52 drives the conveying belt 51 to rotate along the conveying frame 5, the stopping mechanism 53 and the jacking mechanism 54 are positioned below the conveying frame 5, and the positioning mechanism 55 is arranged on one side of the conveying frame 5;

the conveying belt 51 is used for transferring the material tray, the stopping mechanism 53 is used for stopping the moving material tray, the positioning mechanism 55 is used for abutting and limiting the material tray which stops moving, and the jacking mechanism 54 is used for jacking the workpiece positioned in the material tray.

The stopping mechanism 53, the jacking mechanism 54 and the positioning mechanism 55 are all composed of cylinder connecting special-shaped blocks; the cylinder drives the special-shaped block to move in a telescopic mode so as to achieve the purposes that the stopping mechanism 53 extends out to stop the material tray, the jacking mechanism 54 extends out to jack a workpiece in the material tray, and the positioning mechanism 55 extends out to abut against the side wall of the material tray and is matched with a groove hole formed in the side wall of the material tray to ensure that the position of the material tray is correct.

In this embodiment, the robot arm includes a robot arm 6 and a second pick-up claw 61 mounted at the tip of the robot arm 6. The second pick-up claw 61 performs a pick-up function of the workpiece using an air clamp.

In the automatic pad printing equipment of the embodiment, in actual operation, six jig tables 13 are arranged on the rotary table 11 along the circumferential direction, six stations are arranged on the working table 1 around the rotary table 11 and correspond to the six jig tables 13 one by one, and the six stations are respectively a feeding station, a visual detection positioning station, a first printing station, a drying station, a second printing station and a blanking station according to an operation sequence;

the visual positioning device and the position adjusting device are both arranged at a visual detection positioning station, the visual positioning device is positioned above the turntable 11, and the position adjusting device is positioned below the turntable 11; two pad printing devices, one of which is positioned at the first printing station and the other of which is positioned at the second printing station; the drying station is positioned between the two printing stations; the manipulator is positioned at one side of the blanking station, and the loading station is in the operation range of the manipulator;

a material tray is placed on a conveying belt 51 of the conveying device, a plurality of workpieces are placed in the material tray, a second power element 52 drives the conveying belt 51 to rotate to drive the material tray to move forwards and approach to a manipulator, when the material tray approaches to the manipulator, a stopping mechanism 53 stops the material tray, at the moment, the conveying belt 51 stops rotating, a positioning mechanism 55 acts for a short time from two sides of the material tray to abut against a hole groove in the side wall of the material tray to ensure that the material tray is in an accurate position, then a jacking mechanism 54 penetrates through the bottom surface of the material tray to jack the workpieces in the material tray, and the manipulator picks up the jacked workpieces and places the workpieces into a jig table 13 at a feeding station;

the turntable 11 rotates to enable the jig table 13 with the workpiece to move to a visual detection positioning station, at the moment, the jig table 13 is located below the visual positioning device and above the position adjusting device, the visual positioning device generates data output by photographing the jig table 13 and analyzing the position of the workpiece in a photo, the position adjusting device receives data information, then the first picking claw 2 penetrates through the via hole 14 to suck the workpiece located on the jig table 13, and then the power mechanism 21 drives the first picking claw 2 to drive the workpiece to move and rotate to be accurately adjusted to a required position;

the turntable 11 rotates again, the adjusted workpiece moves to the first printing station and enters a processing area 41 of the pad printing device, the rubber head 42 moves downwards to touch the upper side surface of the extended pad printing plate 44 with ink and patterns, the rubber head 42 is covered with the ink containing patterns, the pad printing plate 44 exits the processing area 41, and the rubber head 42 further moves downwards to touch the surface of the station to finish one-time printing;

the rotary table 11 rotates again, the workpiece which completes one-time printing enters the drying station to be naturally dried, when the rotary table 11 rotates again, the workpiece enters the second printing station, then the printing operation of the pad printing device is repeated, after the completion, the rotary table 11 rotates again, the workpiece comes to the blanking station at the moment, and the mechanical arm picks up the workpiece which completes one circle of complete processing and puts the workpiece back to the material tray.

The above is a work flow of a workpiece rotating a circle on the rotary table 11, the workpiece is placed on the jig table 13 on the rotary table 11 during actual operation, and the device of each station needs to operate once when the rotary table 11 rotates once.

The automatic pad printing equipment can complete automatic feeding, automatic alignment, automatic printing, automatic surface curing and automatic discharging of products at one time; when the equipment runs by arranging six stations, the working procedures run synchronously, the processing speed is high, and the production cost is low.

The CCD vision alignment mechanism is adopted to accurately position the product, so that the accuracy and stability of the printing position are ensured.

The automatic pad printing equipment of the embodiment is developed aiming at various products such as various planes, curved surfaces and the like. The automatic feeding and discharging device has the characteristics of high printing speed, automatic feeding and discharging, full-automatic printing and the like.

The automatic pad printing equipment of this embodiment adopts the mode of charging tray feed, accomplishes the unloading of product through the manipulator. Meanwhile, the feeding, the CCD visual alignment, the primary printing, the surface drying, the secondary printing, the blanking and other actions are sequentially completed on the printing turntable 11 by rotating around the central shaft for a circle.

In the description of the present invention, it should be noted that, for the orientation words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship are based on the orientation or positional relationship shown in the drawings, and it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected", if any, are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

The above-mentioned embodiments only express a plurality of embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. Automatic bat printing equipment includes workstation (1) and installs the bat printing device in workstation (1), its characterized in that: the device also comprises a conveying device arranged on the workbench (1), a turntable (11), a manipulator, a visual positioning device and a position adjusting device; the rotary table (11) is positioned at one side of the conveying device, and the mechanical arm, the visual positioning device, the position adjusting device and the pad printing device are respectively arranged around the rotary table (11);

the rotary table (11) is connected with a first power element (12), and a plurality of jig tables (13) are arranged on the upper side surface of the rotary table (11) along the circumferential direction; the first power element (12) drives the turntable (11) to intermittently rotate so that the jig table (13) passes through the manipulator, the vision positioning device, the position adjusting device and the pad printing device;

the jig table (13) is provided with a through hole (14) communicated to the bottom surface of the rotary table (11); the position adjusting device is positioned below the rotating disc (11); the position adjusting device comprises a first picking claw (2) vertically aligned with a through hole (14) of one jig table (13) and a power mechanism (21) for driving the first picking claw (2) to move and rotate.

2. The automatic pad printing apparatus according to claim 1, wherein: the visual positioning device is vertically aligned with the position adjusting device; the first picking claw (2) is a suction cup piece.

3. The automatic pad printing apparatus according to claim 1, wherein: the visual positioning device comprises a visual support (3), a camera (31) arranged on the visual support (3), an adjusting mechanism (32) used for adjusting the position of the camera (31) and a light source device (33) positioned below the camera (31).

4. The automatic pad printing apparatus according to claim 1, wherein: the number of the pad printing devices is two, and the two pad printing devices respectively surround the turntable (11) and are arranged at intervals;

the rotary table (11) drives the jig table (13) to pass through the two pad printing devices in sequence, and the jig table (13) enters an interval vacancy between the two pad printing devices after passing through the first pad printing device and then is transferred to the lower side of the second pad printing device.

5. The automatic pad printing apparatus according to claim 1, wherein: the pad printing device comprises a rack (4) provided with a processing area (41), a rubber head (42) arranged on the rack (4), a third power element (43) used for driving the rubber head (42) to extend into and withdraw from the processing area (41), a pad printing plate (44) positioned on one side of the processing area (41), a fourth power element used for driving the pad printing plate (44) to extend into and withdraw from the processing area (41), an ink cup (45) used for replenishing ink to the pad printing plate (44), a cleaning mechanism (46) used for removing the ink from the rubber head (42) and a fifth power element (47) used for driving the cleaning mechanism (46) to extend into and withdraw from the processing area (41).

6. The automatic pad printing apparatus according to claim 1, wherein: the conveying device comprises a conveying frame (5), a conveying belt (51), a second power element (52), a stopping mechanism (53), a jacking mechanism (54) and a positioning mechanism (55); the conveying belt (51) is arranged on the conveying frame (5), the second power element (52) drives the conveying belt (51) to rotate along the conveying frame (5), the stopping mechanism (53) and the jacking mechanism (54) are positioned below the conveying frame (5), and the positioning mechanism (55) is arranged on one side of the conveying frame (5);

the conveying belt (51) is used for transferring the material tray, the stopping mechanism (53) is used for stopping the moving material tray, the positioning mechanism (55) is used for abutting and limiting the material tray which stops moving, and the jacking mechanism (54) is used for jacking a workpiece positioned in the material tray.

7. The automatic pad printing apparatus according to claim 1, wherein: the manipulator comprises a mechanical arm (6) and a second picking claw (61) arranged at the tail end of the mechanical arm (6).