Automatic code spraying device

Abstract

The utility model discloses an automatic code spraying device, which relates to the technical field of code spraying and comprises a shell, a code spraying head, a code spraying head, a code spraying head and a code spraying head, the grabbing device is arranged around the opening in the bottom of the shell, and the grabbing device is used for being connected with the hollowed-out code plate; the servo transmission assembly comprises a transmission device arranged at the top of the inner side of the shell, the automatic spray gun is connected to the transmission device, the transmission device can drive the automatic spray gun to move, and the automatic spray gun points to an opening in the bottom of the shell; by means of the device, automatic switching of spraying codes can be achieved, and the spraying quality is stable and reliable.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of code spraying, in particular to an automatic code spraying device. BACKGROUND

[0002] In the automatic production process, the workpiece or the surface of the packaging box often needs to be sprayed by paint, and the existing operation mode is mostly manual spraying, which is unstable in quality, low in efficiency and harmful to human health due to the organic volatile substances contained in the paint. Automatic spraying mostly uses UV ink as the consumable, and the paint is easy to block the nozzle. Therefore, it is imperative to develop an automatic spraying device to overcome the shortcomings of the existing operation.

[0003] The existing code spraying method is UV code spraying machine and manual hollow code plate spraying.

[0004] Disadvantages: UV code spraying machine is composed of a large number of small spray holes, which can only spray UV ink with low viscosity. The ink has poor firmness in extreme environments such as low temperature, high temperature, humidity and sunlight. The printing effect has large granularity and low resolution. Special paint is needed to spray paint with automatic nozzle, and large aperture spray holes are selected intelligently, which cannot spray small characters. The hardware cost of multi-hole nozzle is relatively high. Manual hollow code plate spraying has large workload, complicated process, easy pollution, unstable spraying quality, and professional hazards. UTILITY MODEL CONTENTS

[0005] The utility model aims at the above-mentioned problems, and provides an automatic code spraying device, which has low requirements for the material quality of the grabbed material and wide adaptability. The spraying speed is controlled by a servo motor, and the spraying effect is uniform and stable. The automatic spray gun can automatically adjust the fan angle, flow rate and atomization value. The automatic switching of code spraying and the stable and reliable spraying quality can be realized by the ingenious combination of the above-mentioned parts.

[0006] The technical scheme adopted by the utility model is as follows:

[0007] An automatic code spraying device, the device comprises:

[0008] A shell with a hollow structure at the bottom;

[0009] A grabbing device arranged on both sides of the opening at the bottom of the shell, which is used to connect the hollow code plate;

[0010] A servo drive assembly comprising a transmission device arranged at the top of the inner side of the shell, an automatic spray gun connected to the transmission device, the transmission device can drive the automatic spray gun to displace, and the automatic spray gun points to the opening at the bottom of the shell.

[0011] By adopting the technical scheme, the hollow structure at the bottom of the shell and the grabbing device are used to realize quick positioning and fixing of the hollow marking plate, and the servo transmission assembly is used to drive the automatic spray gun to realize accurate displacement, so as to ensure the accuracy and consistency of the marking position and improve the marking efficiency and quality.

[0012] Further, the shell is a rectangular shell, and the bottom and the front of the shell are open structures.

[0013] By adopting the technical scheme, the design of the rectangular shell facilitates installation and maintenance of the device, the open structures of the bottom and the front make the marking plate easier to be placed and the marking operation easier to be performed, and the space utilization of the device is improved.

[0014] Further, a plurality of strip-shaped holes are uniformly arranged on the back of the shell near the bottom, the strip-shaped holes are used for ventilation, and a plurality of visual windows are arranged on the top of the shell.

[0015] By adopting the technical scheme, the strip-shaped holes effectively improve the ventilation condition inside the device to prevent dust or gas generated in the marking process from accumulating, and the visual windows facilitate the operator to observe the marking process in real time, thereby improving the convenience and safety of the operation.

[0016] Further, the grabbing device comprises vacuum suction cups, and a plurality of vacuum suction cups are arranged on both sides of the bottom of the shell.

[0017] By adopting the technical scheme, the vacuum suction cups can firmly grab the hollow marking plate to prevent the hollow marking plate from being displaced or falling off during the marking process, and the uniform distribution of the plurality of vacuum suction cups ensures the balance of the grabbing force, thereby further improving the precision and stability of the marking.

[0018] Further, the servo transmission assembly comprises:

[0019] a lead screw, which is horizontally arranged on the inner top of the shell, one end of the lead screw is rotationally connected to the inner wall of the shell, the other end of the lead screw is connected to the servo motor, the lead screw is threadedly connected to a connecting block, one side of the connecting block is connected to the automatic spray gun,

[0020] a guide rod, which is parallel to the lead screw and located on one side of the lead screw, both ends of the guide rod are connected to both sides of the shell, and the guide rod is movably connected to the connecting block.

[0021] Due to the adoption of the above technical scheme, the combination design of the lead screw and the guide rod realizes the precise displacement control of the automatic spray gun, the servo motor drives the rotation of the lead screw, drives the connection block and the automatic spray gun to move along the guide rod stably, ensures the precision and repeatability of the code spraying position, and improves the stability and reliability of the device operation.

[0022] Further, the device further comprises an organ shield, which is arranged below the servo drive assembly, and separates the spraying area from the transmission area through the organ shield.

[0023] Due to the adoption of the above technical scheme, the design of the organ shield effectively isolates the spraying area from the transmission area, prevents dust or liquid generated in the code spraying process from entering the transmission assembly, prolongs the service life of the device, and reduces the maintenance cost.

[0024] Further, the device is further provided with external interfaces on both sides of the bottom and the top, respectively, for connecting external equipment.

[0025] In summary, due to the adoption of the above technical scheme, the automatic code spraying device has the following advantages:

[0026] The automatic code spraying device has a wide range of application in spraying identification size specifications, high automation degree, higher flexibility when used with robots, stable spraying quality, can avoid problems such as virtual spraying, sagging, virtual edge, is more environmentally friendly, reduces the contact between personnel and organic volatile substances, reduces the occurrence of occupational diseases, is convenient to install and replace, and has low cost. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 is a structural schematic view of an automatic code spraying device of the present application;

[0028] Figure 2 is a side view of an automatic code spraying device of the present application;

[0029] Figure 3 is a rear view of an automatic code spraying device of the present application;

[0030] Figure 4 is a use state view of an automatic code spraying device of the present application.

[0031] Marked in the figure: 1-outer shell, 2-servo drive assembly, 3-grabbing device, 4-organ shield, 5-visual window, 6-strip hole, 7-lead screw, 8-servo motor, 9-guide rod, 10-connection block, 11-automatic spray gun. DETAILED DESCRIPTION

[0032] The present application will be described in detail below with reference to the drawings.

[0033] In order to make the utility model purposes, technical schemes and advantages more clearly, the following will be further described in detail with the help of the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0034] Embodiment

[0035] The embodiment provides an automatic code spraying device, as shown in Figure 1 、 Figure 2 and Figure 3 , which comprises a shell 1, an automatic spray gun 11 is arranged in the shell 1, the automatic spray gun 11 can be horizontally displaced along the shell 1, the bottom of the shell 1 is an opening, a plurality of grabbing devices 3 are arranged along the bottom of the shell 1, in the embodiment, the grabbing device 3 selects a vacuum chuck, the vacuum chuck is used for grabbing and fixing the hollow signboard, the vacuum chuck has low requirements on the material quality of the grabbed material and has a wide adaptation range, and the automatic spray gun 11 is displaced by relying on a servo driving assembly 2.

[0036] As shown in Figure 4 , the servo driving assembly 2 comprises a lead screw 7, the lead screw 7 is horizontally arranged on the inner top of the shell 1, one end of the lead screw 7 is rotationally connected with the inner wall of the shell 1, in the embodiment, the one end of the lead screw 7 is connected with the inner wall of the shell 1 by using a movable bearing, the other end of the lead screw 7 is connected with a servo motor 8, the lead screw 7 is threadedly connected with a connecting block 10, and one side of the connecting block 10 is connected with the automatic spray gun 11.

[0037] A guide rod 9 is parallel to the lead screw 7 and located on one side of the lead screw 7, both ends of the guide rod 9 are connected with both sides of the shell 1, and the guide rod 9 is movably connected with the connecting block 10 by penetrating the connecting block 10.

[0038] The driving mode of the servo driving assembly is as follows: the servo motor 8 drives the lead screw 7 to rotate, since the connecting block 10 is threadedly connected with the lead screw 7, the connecting block 10 can be displaced along the lead screw in the rotating process of the lead screw 7, and the forward and reverse rotation of the lead screw 7 can change the displacement direction of the connecting block 10, so that the automatic spray gun 11 is driven to work, and the guide rod 9 can limit and guide the connecting block 10.

[0039] In the embodiment, an organ cover 4 is further arranged below the servo driving assembly in the shell 1, the automatic spray gun 11 extends from one side of the organ cover 4, the organ cover 4 isolates the spraying area of the automatic spray gun from the servo driving area, so that the servo driving assembly is protected.

[0040] In the embodiment, a plurality of strip-shaped holes 6 are further arranged on one side of the shell 1 in the spraying area, the strip-shaped holes 6 can be used for ventilation, and a plurality of visual windows 5 are further arranged on the top of the shell 1, so that the shell 1 can be observed at any time.

[0041] In the embodiment, the bottom of the shell and the top are also reserved for external interfaces for mounting external devices such as robots.

[0042] The specific application process of the embodiment is as follows:

[0043] First, the hollow signboard is grabbed by the grabbing device, and then the servo drive assembly is started to control the forward and reverse rotation of the lead screw to drive the automatic spray gun to move left and right. The automatic spray gun starts to point to the hollow signboard for spraying. The rotation speed of the servo motor can be adjusted to adjust the displacement speed of the automatic spray gun, so that the automatic spray gun can uniformly spray. When the sign to be sprayed needs to be replaced, the current hollow signboard is emptied by the grabbing device, and then a new hollow signboard is grabbed. The automatic spray gun can automatically adjust the fan angle, flow rate and atomization value. Through the ingenious combination of the above parts, the automatic switching of the sprayed sign and the stable and reliable spraying quality can be realized.

[0044] In this paper, the principle and implementation of the utility model are described by applying specific embodiments. The above embodiment is only used to help understand the method and its core idea. It should be pointed out that for ordinary skilled persons in the technical field, without departing from the principle of the utility model, the utility model can be improved and modified in many ways. These improvements and modifications also fall within the protection scope of the utility model claims.

[0045] In the description of the utility model, it should be pointed out that the terms "up", "down", "left", "right", "horizontal", "internal", "external" and the like indicate the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly used when the utility model product is used. It is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, so it cannot be understood as a limitation on the utility model.

[0046] In the description of the utility model, it should be pointed out that unless otherwise specified and limited, the terms "set", "mount", "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected. It can be mechanically connected, or electrically connected. It can be directly connected, or indirectly connected through an intermediate medium. It can be the communication between two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

Claims

1. An automatic inkjet printing apparatus characterized by comprising: The device comprises: a shell with an open bottom; a grabbing device arranged around the open bottom of the shell, the grabbing device being used to connect the hollow signboard; a servo drive assembly comprising a drive device arranged on the top inner side of the shell, an automatic spray gun being connected to the drive device, the drive device being capable of driving the automatic spray gun to displace, the automatic spray gun pointing to the open bottom of the shell.

2. The automatic inkjet printer of claim 1, wherein The shell is a rectangular shell, the bottom and the front of the shell being open structures.

3. The automatic inkjet printer of claim 2, wherein The back of the shell is uniformly provided with a plurality of strip-shaped holes near the bottom, the strip-shaped holes being used for ventilation, and a plurality of visual windows are arranged on the top of the shell.

4. The automatic inkjet printer of claim 1, wherein The grabbing device comprises a plurality of vacuum suction cups, the vacuum suction cups being uniformly distributed on the bottom of the shell.

5. The automatic inkjet printer of claim 1, wherein The servo drive assembly comprises: a lead screw horizontally arranged on the top inner side of the shell, one end of the lead screw being rotationally connected to the inner side wall of the shell, the other end of the lead screw being connected to a servo motor, the lead screw being threadedly connected to a connecting block, one side of the connecting block being connected to the automatic spray gun; a guide rod parallel to the lead screw and located on one side of the lead screw, the guide rod being connected to the two sides of the shell, the guide rod being movably connected to the connecting block.

6. The automatic inkjet printer of claim 1, wherein The device further comprises an organ cover arranged below the servo drive assembly, the spraying area being isolated from the transmission area by the organ cover.

7. The automatic inkjet printer of claim 1, wherein The bottom and the top of the shell are further respectively provided with external interfaces for connecting external devices.

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