CN108790389A - A kind of automatic transfer printing equipment of model vehicle body and its pad printing method - Google Patents

Abstract

The invention discloses an automatic pad printing device for a model car body and a pad printing method thereof. The pad printing equipment includes a workbench and a feeding device, on which a turntable, a turntable drive mechanism, a biaxial rotating device and a pad printing device are arranged; the feeding device includes a conveyor belt and a manipulator for conveying the model body; the turntable is arranged at the end of the conveyor belt ; The turntable is provided with a number of dual-axis rotating devices along the circumferential direction, and the turntable can rotate under the drive of the turntable drive mechanism, and drive the two-axis rotating devices to rotate to different positions. The present invention effectively cooperates various components to realize the automatic operation of material loading, pad printing and unloading during the turning process of the turntable, and ensures that the model body is accurately located at the designated position of the turntable after loading, without affecting the pad printing in the next step It has good positioning performance, improves pad printing efficiency while ensuring pad printing accuracy, and has the advantages of fast pad printing speed, high precision, good effect, and high degree of automation.

Description

Automatic pad printing equipment for model car body and pad printing method thereof

technical field

The invention belongs to the technical field of car model preparation machinery. More specifically, it relates to an automatic pad printing device for a model body and a pad printing method thereof.

Background technique

Toy cars or model cars often need to print some patterns or colors on the surface. Due to the many curved surfaces of the car body, the printed patterns are complicated. Now most of the pad printing is done manually. It is necessary to transfer the car model that has completed one process to the next machine for the next process. It is very troublesome and easy to cause deviations, and the product quality cannot meet the requirements of customers. Moreover, since the car body is mostly a curved surface structure, its printing surface and printing position are difficult to fix. As a result, many workers are often required to assist the model car body in loading, pad printing and unloading during the processing process, which leads to its production efficiency and production efficiency. Costs are difficult to control.

In order to meet the development requirements of the current car model preparation industry, achieve the purpose of quickly obtaining accurate pad printing results, remove complicated operating procedures, reduce errors caused by human operations or the impact of errors on pad printing results, and increase production speed, automatic pad printing machine It is an inevitable trend in the development of the current pad printing industry.

However, most of the existing pad printing machines on the market are manual production instruments or are not suitable for pad printing production of model car bodies. Although some pad printing devices can initially realize automatic operation, in the process of use, users find the following disadvantages: First, a feeding mechanism for model body transfer is usually connected between the transfer module and the pad printing module. The conventional method is to use a cylinder to drive a pushing plate to complete the operation process. However, this structure is not practical, and the position of the model body is easy to change during the pushing process, which brings difficulties to the subsequent accurate pad printing; 2. In order to improve the efficiency of pad printing, it is necessary to increase the speed of conveying. However, due to the problem of disconnection between the pad printing module and the conveying module, a large number of misprints occur, making the existing model car body pad printing equipment less effective. Difference.

Contents of the invention

The technical problem to be solved by the present invention is to overcome the deficiencies of the above-mentioned prior art, and provide an automatic pad printing equipment for model car bodies to realize automatic high-speed car body pad printing, which has the characteristics of fast processing and accurate color registration of product pad printing.

Another object of the present invention is to provide a method for fast and automatic pad printing of a model car body.

The above object of the present invention is achieved through the following technical solutions:

An automatic pad printing equipment for a model body, including a worktable and a feeding device, the feeding device includes a conveyor belt and a manipulator for conveying the model body; a turntable is arranged on the worktable at the end of the conveyor belt, and the turntable is set along the circumferential direction There are several two-axis rotating devices, and the turntable rotates under the drive of the turntable drive mechanism, and drives the two-axis rotating devices to rotate to different stations; the two-axis rotating devices are provided with a positioning plate for positioning the model body, the A pad printing device is also arranged on the workbench, and the printing positions of the positioning plate and the pad printing device are opposite to each other.

In the present invention, by effectively cooperating the feeding mechanism with the circular turntable, the biaxial rotating device and the pad printing device, the automatic operation of feeding, pad printing, testing and unloading is realized during the rotation of the turntable, and the model after loading is ensured. The car body is precisely at the designated position of the turntable, which will not affect the next step of pad printing. The positioning performance is good. While ensuring the accuracy of pad printing, the efficiency of pad printing is improved, and automatic high-speed body pad printing is realized. It has fast pad printing speed, It has the advantages of high precision, good effect and high degree of automation.

Preferably, the biaxial rotating devices are arranged on the turntable at equal intervals.

Specifically, preferably, 12 stations are arranged at equal intervals on the turntable, except for the loading and unloading stations, there are a total of 10 different stations for mimeograph and detection. The present invention can complete loading or unloading by manual or manipulator, and the turntable is driven and rotated by the motor and reducer arranged under the workbench, and is controlled to stop at a station every 30 degrees. This setting not only considers the placement space but also improves the working efficiency of the machine, maximizing the working efficiency.

Preferably, the manipulator includes a guide rail, on which a manipulator is arranged, and a manipulator is provided at the bottom end of the manipulator. The manipulator moves horizontally along the manipulator through a driving device, and the manipulator moves up and down along the manipulator through a driving device.

Preferably, the manipulator is a two-axis manipulator.

More preferably, the mechanical gripper is composed of left and right mechanical fingers, and the distance between the left and right mechanical fingers is adjusted by the rotation of the screw nut inside the mechanical gripper of the mechanical arm.

Still further preferably, the mechanical fingers are provided with a plurality of vacuum suction cups for absorbing the surface of the vehicle body.

Still further preferably, the inside of the mechanical finger is provided with soft silicone for firmly grasping the surface of the vehicle body.

Preferably, the left and right robotic fingers are plate-shaped members.

Preferably, the two-axis rotating device is driven by a horizontal drive motor A and a vertical drive motor B, the positioning plate is arranged on the rotating end of the horizontal drive motor A through a rotating shaft, and the horizontal drive motor A is arranged on the vertical end of the horizontal drive motor A through a motor mount. Directly drive the rotating end of the motor B to make the positioning disc rotate within plus or minus 100 degrees in the horizontal direction and/or rotate 360 degrees in the vertical direction, so that the rotating device has two rotation directions and realizes rotation with two degrees of freedom , to achieve the purpose of precise and rapid positioning.

More preferably, the motor mount is arranged on the rotating end of the vertical drive motor B, and the horizontal drive motor A is disposed on the motor mount, so that the horizontal drive motor A can drive the motor B vertically along the motor mount Rotate in the vertical direction, coordinate with the vertical drive motor B for positioning.

More preferably, the positioning plate is provided with a magnetic adsorption component for fixing the model body, so as to ensure that the model body rotates stably on the turntable.

Preferably, the pad printing device includes a pad printing machine and a displacement control mechanism for driving the pad printing machine to reciprocate.

More preferably, the displacement control mechanism includes an X-axis moving device and a Z-axis moving device, the Z-axis moving device is arranged on the guide rail of the X-axis moving device through a slider, and the motor on the X-axis moving device is driven by the slider The Z-axis moving device reciprocates along the direction of its guide rail.

More preferably, a pad printing machine is provided on both the X-axis moving device and the Z-axis moving device through connecting parts, and the pad printing machine is driven by the X-axis moving device and the Z-axis moving device to perform horizontal reciprocating movement and up-and-down reciprocating movement respectively . Each station has a pad printing machine that works independently. The pad printing machine can realize automatic adjustment in the X direction and Z direction through the drive of the motor, so as to adapt to the mimeograph of different models of car bodies.

Preferably, both the X-axis moving device and the Z-axis moving device are composed of a servo motor, a lead screw and a slider arranged on the lead screw through a nut.

Preferably, the pad printing device further includes a detection component for detecting positioning and pad printing effect, and the detection component is arranged on one side of the pad printing device. With this design, it can detect the model body at the loading station through the detection components to determine whether the model body on the biaxial rotating device is placed accurately, so as to control the working status of the turntable and other equipment and avoid positioning deviation.

Preferably, the workbench is provided with a collection box for unqualified products and a collection box for qualified products, a partition plate is provided in the blanking station, and the ends of the blanking station are respectively connected to the collection box for unqualified products and the collection box for qualified products. The slideway of the product collection box can change the direction of the model body by adjusting the rotation position of the partition plate.

The present invention also provides a method for fast and automatic pad printing of a model car body, which is to use the above-mentioned automatic pad printing device for a model car body to pad print a model car body; it includes the following steps:

S1. Place the model body to be processed on the conveyor belt, and the reciprocating manipulator will send the model body on the conveyor belt to the loading station on the turntable;

S2. Starting from the upper material station, the model body on this station is fixed by a biaxial rotating device and rotated to the printing position of the pad printing device. After the printing process is completed, the turntable continues to rotate to multiple stations for different processing;

S3. Unloading when reaching the end station.

Compared with the prior art, the present invention has the following beneficial effects:

1. The present invention adopts a multi-station design, and realizes the process of simultaneous loading, mimeograph, detection and unloading through the rotation of the turntable, and can realize the simultaneous processing of multiple model car bodies, which not only considers the placement space but also improves the printing efficiency. The working efficiency of the equipment can be improved to the greatest extent.

2. Each station of the present invention is designed with an independently working pad printing machine, which can realize automatic adjustment in the X direction and Z direction through the drive of the motor, so as to adapt to the mimeograph of different model car bodies.

3. The present invention realizes the automatic operation of loading, printing and unloading during the rotation of the turntable by coordinating the feeding mechanism, the turntable and the biaxial rotating device, effectively ensuring that the model body is accurately positioned at the designated position of the turntable after loading , good positioning performance, improve pad printing efficiency and pad printing accuracy, and have good practical value.

Description of drawings

Figure 1 is a schematic diagram of the overall structure of an automatic pad printing equipment for a model body.

Fig. 2 is a schematic diagram of the structure of the manipulator.

Fig. 3 is a structural schematic diagram of the turntable.

Fig. 4 is a schematic structural diagram of a biaxial rotating device.

Fig. 5 is a schematic structural diagram of a pad printing device.

Among them, 1-worktable; 2-feeding device; 21-conveyor belt; 22-manipulator; 221-guide rail; 222-mechanical arm; 223-mechanical gripper; Station; 4-two-axis rotating device; 41-horizontal drive motor A; 42-vertical drive motor B; 43-positioning plate; 5-pad printing device; 51-pad printing machine; 52-X-axis moving device; 53 -Z-axis moving device.

Detailed ways

The present invention will be further described below in conjunction with specific embodiments. The accompanying drawings are only for exemplary illustrations and cannot be interpreted as limitations on this patent; in order to better illustrate this embodiment, some parts of the accompanying drawings will be omitted, enlarged or reduced, and It does not represent the size of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions may be omitted in the drawings. The positional relationship described in the drawings is for illustrative purposes only, and should not be construed as a limitation on this patent.

Example 1

The technical scheme of the present invention is described in detail below:

As shown in Figure 1, a kind of automatic pad printing equipment of model car body comprises workbench 1 and feeding device 2, and feeder device 2 is arranged on the side of workbench 1, is provided with turntable 3, turntable drive mechanism, The biaxial rotating device 4 and the pad printing device 5 corresponding to the biaxial rotating device 5 .

The feeding device 2 includes a conveyor belt 21 and a manipulator 22 for conveying the model car body. Under the action of the conveyor belt 21 and the manipulator 22, the feeding device 2 transports the model car body from the position to be processed to the loading position. The conveyor belt 21 is horizontally arranged on the sample feeding platform and can run with speed regulation; the manipulator 22 is driven by a motor to realize loading and unloading of the model body. As shown in Figure 2, the manipulator 22 is a two-axis manipulator, including a guide rail 221, a mechanical arm 222, a grasping motor and a mechanical gripper 223, and the mechanical arm 221 is slidably mounted on the guide rail 221, and moves horizontally along the guide rail through a driving device; The gripper 223 is arranged at the bottom of the mechanical arm 222, and the mechanical arm 222 is connected to the transmission device through the gripping motor, which drives the lead screw of the output shaft to rotate and drives the mechanical gripper 223 to move up and down. The mechanical gripper 223 is composed of left and right mechanical fingers. The left and right mechanical fingers are plate-shaped members. The inner side of the plate-shaped member is provided with a plurality of vacuum suction cups or soft silica gel for grasping or absorbing the surface of the vehicle body. The left and right mechanical fingers The distance can be adjusted by the rotation of the lead screw nut inside the mechanical arm 222 to improve the stability of grabbing and avoid the risk of the vehicle body falling midway.

The turntable 3 is arranged at the end of the conveyor belt 21; as shown in Figure 3, 12 biaxial rotating devices 4 are evenly arranged at equal intervals along the circumferential direction on the turntable 3, and each biaxial rotating device 4 constitutes one on the turntable 3 for placing the model car body. There are 12 stations at equal intervals on the turntable 3, except for the loading and unloading stations, there are a total of 10 different stations for mimeograph and detection. The turntable drive mechanism is set under the workbench 1, and the turntable 3 can rotate under the drive of the turntable drive mechanism. The turntable drive mechanism includes a motor and a reducer. The turntable 3 is driven to rotate by the motor and reducer under the workbench. Stop at one station at intervals, so that the biaxial rotating device 4 rotates to different angles and is located at the upper material position, different pad printing processing positions or lower material positions; this setting not only considers the placement space but also improves the working efficiency of the machine, maximizing Improve work efficiency.

As shown in FIG. 4 , the biaxial rotating device 4 is provided with a positioning plate 43 for positioning the model body, which is opposite to the printing position of the pad printing device 5 . The positioning disc 43 is provided with a magnetic adsorption component for fixing the model vehicle body, so as to ensure that the model vehicle body rotates stably on the turntable. The biaxial rotating device 4 is driven by the horizontal drive motor A41 and the vertical drive motor B42, the positioning disk 43 is arranged on the rotating end of the horizontal drive motor A41 through the rotating shaft, and the horizontal drive motor A41 is arranged on the vertical drive motor B42 through the motor mount. The rotating end enables the positioning plate 43 to rotate plus or minus 100 degrees in the horizontal direction and/or rotate 360 degrees in the vertical direction, so that the rotating device has two rotation directions, realizing rotation with two degrees of freedom, and achieving accurate and fast positioning the goal of. The motor mount is arranged on the rotating end of the vertical drive motor B42, and the horizontal drive motor A41 is arranged on the motor mount, so that the horizontal drive motor A41 can rotate vertically along the motor mount of the vertical drive motor B42. Vertical drive motor B42 coordinates and locates.

The pad printing device 5 is arranged on the upper surface of the workbench 1 . As shown in FIG. 5 , the pad printing device 5 includes a pad printing machine 51 and a displacement control mechanism for driving the pad printing machine 51 to reciprocate. The displacement control mechanism includes an X-axis moving device 52 and a Z-axis moving device 53. The Z-axis moving device 53 is arranged on the guide rail of the X-axis moving device 52 through a slider, and the motor on the X-axis moving device 52 drives the Z-axis through a slider. The moving device 53 reciprocates along the direction of its guide rail. The X-axis moving device 52 and the Z-axis moving device 53 are composed of a servo motor, a leading screw and a slide block arranged on the leading screw through a nut. The present invention is equipped with a pad printing machine 51 through a connecting piece on the X-axis moving device 52 and the Z-axis moving device 53, and the pad printing machine 51 is driven by the X-axis moving device 52 and the Z-axis moving device 53 to perform horizontal reciprocating movement and Move up and down. Each station has a pad printing machine that works independently, and the pad printing machine can realize automatic adjustment in the X direction and Z direction through the drive of the motor, so as to adapt to the mimeograph of different models of car bodies.

In the present invention, a detection component for detecting positioning and pad printing effect can be provided on one side of the pad printing device 5 . With this design, it can detect the model car body at the loading station through the detection parts to determine whether the model car body on the biaxial rotating device 4 is placed accurately, so as to control the working status of the turntable 3 and other equipment and avoid positioning Deviation to further improve the positioning accuracy.

In the present invention, a collection box for unqualified products and a collection box for qualified products can also be provided on the workbench 1. At the same time, a partition plate is provided in the blanking station, and the ends of the blanking station are respectively connected with And the slideway of the qualified product collection box, the direction of the model body can be changed by adjusting the rotation position of the partition plate, and the unqualified products and qualified products can be recovered separately in time.

Correspondingly, the present invention also provides a method for fast and automatic pad printing of a model car body, which is to use the above-mentioned automatic pad printing equipment for a model car body to carry out pad printing of a model car body; it includes the following steps:

S1. Place the model body to be processed on the conveyor belt 21, and the reciprocating manipulator 22 sends the model body on the conveyor belt 21 to the A station (loading station) of the turntable 3;

S2. The upper material station is the starting point, and the model body on this station is sucked by the biaxial rotating device 4 and rotated to the printing position of the pad printing device 5. After the printing process is completed, the turntable 3 continues to rotate to several stations Carry out different processing respectively;

S3. Unloading when reaching the end station B (unloading station).

The present invention effectively cooperates the feeding device with the ring-shaped turntable, the biaxial rotating device and the pad printing device to realize the automatic operation of feeding, pad printing, detection and unloading during the rotation of the turntable, and guarantees the accuracy of the model after loading. The car body is precisely located at the designated position of the turntable, which will not affect the next step of pad printing. The positioning performance is good. While ensuring the accuracy of pad printing, the efficiency of pad printing is improved, and automatic high-speed body pad printing is realized.

Claims (10)

1. a kind of automatic transfer printing equipment of model vehicle body, which is characterized in that including workbench（1）And feed device（2）, the feeding Device（2）It include the conveyer belt for conveying model vehicle body（21）And manipulator（22）；Positioned at conveyer belt（21）The work of end Platform（1）On be provided with turntable（3）, the turntable（3）On be along the circumferential direction provided with several dual-axis rotation devices（4）, turntable（3） It is rotated under the driving of rotary disc driving mechanism, and drives the dual-axis rotation device（4）It rotates to different station；The twin shaft rotation Rotary device（4）On be provided with positioning disk for location model vehicle body（43）, the workbench（1）On be additionally provided with printer device （5）, the positioning disk（43）With printer device（5）Printing position it is relative to each other.

2. the automatic transfer printing equipment of model vehicle body according to claim 1, which is characterized in that the manipulator（22）Including leading Rail（221）, the guide rail（221）On be provided with mechanical arm（221）, mechanical arm（222）Bottom end is provided with mechanical gripper（223）, Mechanical arm（222）It is moved horizontally along guide rail by driving device, mechanical gripper（223）By driving device along mechanical arm（221） It moves up and down.

3. the automatic transfer printing equipment of model vehicle body according to claim 2, which is characterized in that the mechanical gripper（223）By Left and right mechanical finger composition, left and right mechanical finger pass through mechanical arm（222）The rotation of upper leading screw nut adjusts distance.

4. the automatic transfer printing equipment of model vehicle body according to claim 3, which is characterized in that be provided on the mechanical finger Multiple vacuum cups.

5. the automatic transfer printing equipment of model vehicle body according to claim 1, which is characterized in that the dual-axis rotation device（4） By horizontal drive motor A（41）With vertical driving motor B（42）It is driven；The positioning disk（43）It is set to horizontal drive electricity Machine A（41）Turning end, horizontal drive motor A（41）It is set to vertical driving motor B（42）Turning end, make the positioning Disk（43）Positive and negative 100 degree of rotations and/or the 360 degree rotation in vertical direction in the horizontal direction.

6. the automatic transfer printing equipment of model vehicle body according to claim 1, which is characterized in that the printer device（5）Including Pad printer（51）With for driving pad printer（51）The Bit andits control mechanism of reciprocating movement.

7. the automatic transfer printing equipment of model vehicle body according to claim 6, which is characterized in that the Bit andits control mechanism includes X-axis mobile device（52）With Z axis mobile device（53）, the Z axis mobile device（53）It is arranged in X-axis mobile device（52）Lead On rail, X-axis mobile device（52）On driving device drive Z axis mobile device（53）It is moved back and forth along its guide rail direction.

8. the automatic transfer printing equipment of model vehicle body according to claim 7, which is characterized in that in X-axis mobile device（52）And Z Shaft moving device（53）On be both provided with pad printer（51）, and pass through X-axis mobile device（52）With Z axis mobile device（53）Driving Pad printer（51）It is moved and is moved back and forth up and down back and forth horizontally respectively.

9. the automatic transfer printing equipment of model vehicle body according to claim 7, which is characterized in that the X-axis mobile device（52） With Z axis mobile device（53）By servo motor, leading screw and the sliding block on leading screw is arranged by nut forms.

10. a kind of method of the fast automatic bat printing of model vehicle body, which is characterized in that use any mould of claim 1~9 The automatic transfer printing equipment of type vehicle body carries out model vehicle body bat printing；It includes the following steps：

S1. model vehicle body to be processed is placed in conveyer belt（21）On, the manipulator that is reciprocally moveable（22）By conveyer belt（21） On model vehicle body send to turntable（3）Feeding station on；

S2. using feeding station as initiating terminal, by dual-axis rotation device（4）Model vehicle body on this station is fixed and rotated To printer device（5）Printing position, the printing process it is complete after turntable（3）It is rotated further to multiple stations and carries out different add respectively Work；

Blanking is carried out when S3. reaching end station.