Spraying mechanism and spraying equipment

Abstract

The utility model discloses a spraying mechanism and spraying device.The spraying mechanism comprises a rotating shaft, a first channel is formed in the rotating shaft, and an annular channel is formed in the periphery of the rotating shaft; the mounting seat is arranged at the top of the rotating shaft; the spray gun is arranged on the mounting seat, the spray gun is arranged far away from the rotating shaft, and a discharging channel is arranged in the spray gun; the rotating shaft is rotationally connected with the fixed seat, a feeding channel is formed in the fixed seat, and the feeding channel, the annular channel, the first channel and the discharging channel are sequentially communicated. The spraying mechanism can achieve rotary spraying of the interior of a cylindrical workpiece, is particularly suitable for spraying of automobile hubs, is easy and convenient to operate, improves the spraying efficiency and improves the spraying efficiency. According to the spraying mechanism, the labor intensity is reduced, the high-efficiency and high-quality spraying requirement is met, a traditional industrial mechanical arm semi-rotating type mechanism is replaced, the cost is reduced, and spraying equipment using the spraying mechanism can greatly improve the spraying efficiency and guarantee the spraying quality.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of automobile hub spraying, and particularly relates to a spraying mechanism and a spraying device. BACKGROUND

[0002] In automobile hub spraying and other operations, the existing rotary spraying device adopts a semi-rotary mechanism of an industrial manipulator to perform spraying, and has defects such as uneven spraying, high spraying cost of the industrial manipulator, and the like, and cannot meet the requirements of efficient and high-quality spraying. CONTENT OF THE UTILITY MODEL

[0003] The application aims to at least solve one of the technical problems in the prior art, and provides a spraying mechanism and a spraying device, wherein the spraying mechanism can uniformly spray paint to the inner surface of a workpiece, and the spraying device using the spraying mechanism greatly improves spraying efficiency.

[0004] The application adopts the technical scheme to solve the technical problems:

[0005] A spraying mechanism comprises

[0006] a rotating shaft, a first channel is arranged in the rotating shaft, and an annular channel is arranged on the outer periphery of the rotating shaft;

[0007] a mounting seat arranged on the top of the rotating shaft;

[0008] a spray gun arranged on the mounting seat, the spray gun is arranged away from the rotating shaft, and a discharge channel is arranged in the spray gun;

[0009] a fixing seat rotationally connected to the rotating shaft, a feeding channel is arranged on the fixing seat, and the feeding channel, the annular channel, the first channel and the discharge channel are sequentially communicated.

[0010] In some embodiments of the application, the bottom end of the spray gun is connected to the mounting seat, the top end of the spray gun extends upwards of the mounting seat, a second channel is arranged on the mounting seat, and the discharge channel is communicated with the mounting seat.

[0011] In some embodiments of the application, the rotating shaft, the spray gun and the mounting seat are integrally formed.

[0012] In some embodiments of the application, a first pipe body is arranged between the rotating shaft and the mounting seat, the top end of the first pipe body is communicated with the second channel, and the bottom end of the first pipe body is communicated with the discharge end of the first channel.

[0013] In some embodiments of the application, a second pipe body is arranged on the rotating shaft, and the second pipe body is communicated with the feeding end of the first channel.

[0014] In some embodiments of the present application, a plurality of spraying systems are included, and the discharge channel, the first pipe body, the first channel and the second pipe body are communicated to form a spraying system, and a plurality of second pipe bodies are arranged along the axial direction of the rotating shaft.

[0015] In some embodiments of the present application, there is only one discharge channel in the spray gun, and a plurality of spraying systems include a plurality of spray guns, and a plurality of spray guns are arranged along the outer periphery of the mounting seat.

[0016] In some embodiments of the present application, a sealing ring is arranged between the rotating shaft and the fixed seat, and the sealing ring is arranged away from the annular channel.

[0017] In some embodiments of the present application, a driving motor is arranged on the fixed seat, and the driving motor is connected to the bottom end of the rotating shaft.

[0018] A spraying device includes a device body and the spraying mechanism in the above embodiments, and the fixed seat is mounted on the device body.

[0019] One of the above technical solutions has at least one of the following advantages or beneficial effects: when the spraying mechanism is used, the paint enters the interior of the fixed seat through the feeding channel, and then enters the annular channel between the rotating shaft and the fixed seat. The annular channel is always communicated with the first channel in the state of relative rotation between the rotating shaft and the fixed seat, so that the paint moves along the first channel in the rotating shaft and enters the discharge channel in the spray gun. With the continuous rotation of the rotating shaft and the fixed seat, the degree of the spray gun is continuously rotated. Since the spray gun is arranged away from the rotating shaft, the spray gun utilizes the centrifugal force to maximize the spraying distance, so that the paint is uniformly sprayed to the inner surface of the workpiece, greatly improving the spraying efficiency, and at the same time ensuring stable transmission of the paint, so that the coating quality is better. The spraying mechanism can realize rotary spraying inside the cylindrical workpiece, especially suitable for automobile hub spraying, simple and convenient to operate, reduces the labor intensity, meets the high-efficiency and high-quality spraying demand, replaces the traditional industrial robot semi-rotary mechanism, and reduces the cost.

[0020] Additional aspects and advantages of the present application will be in part apparent and in part pointed out in the description below, which will be in part apparent from the description below, or will be learned by practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0021] The above and / or additional aspects and advantages of the present application will become apparent and more readily appreciated from the description of the embodiments, taken in conjunction with the following drawings of which:

[0022] Figure 1 is a front view of one embodiment of the spraying mechanism in the present application;

[0023] Figure 2 is Figure 1 the figure at A-A in;

[0024] Figure 3 is a perspective view of an embodiment of the spraying mechanism in the present application. DETAILED DESCRIPTION

[0025] This part will describe the specific embodiments of the present application in detail, the preferred embodiments of the present application are shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the present application, but it cannot be understood as a limitation on the protection scope of the present application.

[0026] In the present application, if there is a description of direction (up, down, left, right, front and back), it is only for the convenience of describing the technical scheme of the present application, and it is not intended or implied that the indicated technical features must have a specific orientation, be constructed and operated in a specific orientation, therefore it cannot be understood as a limitation on the present application.

[0027] In the present application, the meaning of "several" is one or more, the meaning of "multiple" is two or more, "greater than" "less than" "more than" and the like are understood as not including the number; "above" "below" "within" and the like are understood as including the number. In the description of the present application, if there is a description of "first" "second", it is only for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0028] In the present application, unless otherwise explicitly limited, the words "set", "install", "connect" and the like should be broadly understood, for example, they can be directly connected, or indirectly connected through an intermediate medium; it can be fixedly connected, or it can be detachably connected, or it can be integrally formed; it can be mechanically connected, or it can be electrically connected or capable of communicating with each other; it can be the internal communication of two elements or the interaction relationship between two elements. The skilled in the art can reasonably determine the specific meaning of the above words in the present application in combination with the specific content of the technical scheme.

[0029] wherein, Figure 1 , Figure 2 and Figure 3 The reference direction coordinate system of the embodiment of the present application is given, and the embodiment of the present application is described in combination with the directions shown in Figure 1 , Figure 2 and Figure 3 .

[0030] The embodiment of the present application provides a spraying mechanism, referring to Figure 1 , Figure 2and Figure 3 , including the rotating shaft 100, the mounting seat 200, the spray gun 300 and the fixed seat 400, the rotating shaft 100 is provided with a first channel 110, and the outer periphery of the rotating shaft 100 is provided with an annular channel 120; the mounting seat 200 is arranged at the top of the rotating shaft 100; the spray gun 300 is arranged on the mounting seat 200, and the spray gun 300 is arranged away from the rotating shaft 100, and the spray gun 300 is provided with a discharging channel 310; the rotating shaft 100 is rotationally connected with the fixed seat 400, and the fixed seat 400 is provided with a feeding channel 410, and the feeding channel 410, the annular channel 120, the first channel 110 and the discharging channel 310 are sequentially communicated.

[0031] When the spraying mechanism is used, the paint enters the inside of the fixed seat 400 through the feeding channel 410, and then enters the annular channel 120 between the rotating shaft 100 and the fixed seat 400. The annular channel 120 is always communicated with the first channel 110 in the state that the rotating shaft 100 and the fixed seat 400 relatively rotate, so that the paint moves along the first channel 110 in the rotating shaft 100 and enters the discharging channel 310 in the spray gun 300. With the continuous rotation of the rotating shaft 100 and the fixed seat 400 by 360 degrees, the spray gun 300 is driven to rotate by 360 degrees continuously. Since the spray gun 300 is arranged away from the rotating shaft 100, the spray gun 300 realizes the maximization of the spraying distance by using the centrifugal force, so that the paint is uniformly sprayed to the inner surface of the workpiece, the spraying efficiency is greatly improved, and the coating quality is more optimal. The spraying mechanism can realize the rotary spraying of the cylindrical workpiece, is especially suitable for automobile hub spraying, is simple and convenient to operate, reduces the labor intensity, meets the efficient and high-quality spraying demand, replaces the traditional industrial mechanical hand semi-rotary mechanism, and reduces the cost.

[0032] In some embodiments, the bottom end of the spray gun 300 is connected with the mounting seat 200, the top end of the spray gun 300 extends upwards of the mounting seat 200, the mounting seat 200 is provided with a second channel, the discharging channel 310 is communicated with the mounting seat 200, and the spray gun 300 sprays to the inside of the cylindrical workpiece such as the automobile hub, so as to realize the uniform spraying to the inner surface of the workpiece.

[0033] In some embodiments, the rotating shaft 100, the spray gun 300 and the mounting base 200 are integrally formed, which improves the structural strength, i.e. the integral forming can eliminate the gaps and weak points between the rotating shaft 100, the spray gun 300 and the mounting base 200, thereby improving the strength and stability of the overall structure. The integral forming can also reduce the assembly time and cost between the rotating shaft 100, the spray gun 300 and the mounting base 200. The integral forming can ensure the size and position accuracy between the rotating shaft 100, the spray gun 300 and the mounting base 200, thereby improving the quality and performance of the spraying mechanism. The integral forming of the rotating shaft 100, the spray gun 300 and the mounting base 200 makes the spraying mechanism more solid and durable, and reduces the maintenance cost and repair frequency of the spraying mechanism.

[0034] In some embodiments, a first pipe body 500 is arranged between the rotating shaft 100 and the mounting base 200. The top end of the first pipe body 500 is in communication with the second channel, and the bottom end of the first pipe body 500 is in communication with the outlet end of the first channel 110. The first pipe body 500 can realize the paint delivery between the rotating shaft 100 and the mounting base 200. The first pipe body 500 can quickly and stably deliver the paint, thereby improving the production efficiency. Because the inside of the first pipe body 500 is relatively smooth, it is easy to clean, and the possibility of paint residue and pollution is reduced. The first pipe body 500 has good sealing performance, which reduces the opportunity of paint exposure to air and the risk of fire and explosion.

[0035] In some embodiments, a second pipe body 600 is arranged on the rotating shaft 100. The second pipe body 600 is in communication with the inlet end of the first channel 110. The paint is input into the inside of the fixed base 400 through the second pipe body 600 to realize the delivery of the paint. It can be understood that the first pipe body 500 and the second pipe body 600 are both flexible pipes, which have good sealing performance at the connection and are easy to connect. Specifically, rubber materials (having good elasticity and wear resistance, which can adapt to a certain bending and stretching), polyurethane materials (wear-resistant, oil-resistant and chemical-resistant, having good flexibility), polyvinyl chloride (PVC) materials (relatively low price and good corrosion resistance) and the like can be selected.

[0036] In some embodiments, the spraying mechanism includes multiple sets of spraying systems. The outlet channel 310, the first pipe body 500, the first channel 110 and the second pipe body 600 are in communication to form a set of spraying system. Multiple second pipe bodies 600 are arranged along the axial direction of the rotating shaft 100 in sequence. The multiple sets of spraying systems can work simultaneously, which greatly improves the efficiency of spraying. When one of the spraying systems fails, the other systems can continue to work, which does not affect the production progress. At the same time, it is also convenient to maintain and maintain each system individually. The multiple second pipe bodies 600 are arranged from high to low in sequence, which makes the spraying mechanism neat and beautiful, avoids the mutual entanglement between the second pipe bodies 600, and can simultaneously deliver fluid, thereby increasing the total flow.

[0037] In some embodiments, the spray gun 300 has and only has one outlet channel 310, and the plurality of spray guns 300 are arranged along the outer periphery of the mounting base 200, that is, each second pipe body 600 is correspondingly provided with one spray gun 300, and the plurality of spray guns 300 can realize spraying at the same time, realize spraying multiple areas at the same time, save time, and help to ensure that the coating is more uniform, better handle complex workpiece shapes, reduce the risk of missing spraying or uneven coating, and help to obtain a smoother and more consistent workpiece surface quality.

[0038] In some embodiments, a sealing ring 700 is arranged between the rotating shaft 100 and the fixed seat 400, the sealing ring 700 is arranged away from the annular channel 120, so that the coating entering the annular channel 120 can completely proceed along the first channel 110, the sealing ring 700 can effectively prevent the coating from leaking, ensure that the coating is in a sealed state around the rotating shaft 100, reduce waste of the coating and environmental pollution, and realize accurate delivery of the coating to the spray gun 300; the sealing ring 700 can also mix with the coating in the second pipe body 600, so as to ensure that the spray gun 300 can realize uniform spraying. In some embodiments, a plurality of sealing rings 700 and a plurality of annular channels 120 are arranged alternately along the axial direction of the rotating shaft 100, and effective sealing is realized.

[0039] It can be understood that, in order to avoid the influence of the sealing ring 700 on the rotation of the rotating shaft 100 relative to the fixed seat 400, the sealing ring 700 is selected to be a sealing ring material with low friction coefficient and wear resistance; the fixed seat 400 is provided with an annular clamping groove 420 for mounting the sealing ring 700, and an appropriate lubricant is selected in the clamping groove 420 to reduce friction. The annular clamping groove 420 can provide a stable position for mounting the sealing ring 700, ensure that the sealing ring 700 is closely attached to the rotating shaft 100, and effectively prevent the coating from leaking; the annular clamping groove 420 can also enhance the sealing stability, the sealing ring 700 is mounted in the annular clamping groove 420, so that the sealing ring 700 is not easily affected by external interference or displacement, and the stability and reliability of the sealing are improved; through the design of the annular clamping groove 420, the installation and replacement of the sealing ring 700 are more convenient and fast, time and labor are saved; the sealing ring 700 can prevent the coating from leaking while reducing the entry of external impurities, dust and the like into the gap between the rotating shaft 100 and the fixed seat 400, play a role in protecting the rotating shaft 100, and prolong the service life thereof. Good sealing performance can ensure the normal operation of the spraying mechanism, improve work efficiency and performance.

[0040] In some embodiments, the fixed seat 400 is provided with a driving motor 430 connected to the bottom end of the rotating shaft 100 to drive the rotating shaft 100 to rotate. The fixed seat 400 provides a stable platform, reducing the vibration and shaking of the driving motor 430 during operation. This helps to ensure the normal operation of the motor, improve the reliability of the system, and the fixed seat 400 can also help dissipate the heat generated by the driving motor 430 to prevent overheating. Good heat dissipation helps to prolong the service life of the motor and ensures its stable performance. Installing the driving motor 430 on the fixed seat makes maintenance and repair more convenient. The operator can more easily access the driving motor 430 for inspection, cleaning and replacement of parts. The driving motor 430 can accurately control the speed and position of the rotating shaft 100, has high energy conversion efficiency, can effectively convert electrical energy into mechanical energy, and can also be accurately controlled through an electronic control system to realize automatic operation, usually has a long service life and high reliability.

[0041] The application also provides a spraying device, which comprises a device body and the spraying mechanism in the above-mentioned embodiments. The fixed seat 400 is installed on the device body to realize spraying inside the cylindrical workpiece such as automobile hub.

[0042] The spraying device also has a plasma gas supply system and a protective gas supply system, which respectively provide corresponding gases to ensure stable spraying process. The spraying device also has a cooling system, which cools the device during the entire process to ensure normal operation of the spraying device. The spraying device can significantly reduce fuel consumption and emissions when used in the field of spraying inside cylindrical workpieces, especially for spraying workpieces such as automobile hubs. The spraying device uses a slip ring type rotary spraying mechanism to prolong the cleaning cycle and replace the high cost of robots. With lower cost, the spraying of hub A surface and C surface is realized, and the situation of exposed bottom is avoided. The spraying device reduces the cost of equipment configuration and labor cost for enterprises, improves production efficiency, and solves the problem of continuous rotation of robots that cannot be sprayed, and solves the problem of exposed bottom of the workpiece sprayed by robots.

[0043] In the description of the present specification, the description of the terms "example", "embodiment" or "some embodiments" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0044] Of course, the present application is not limited to the above-described embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present application, and these equivalent modifications or substitutions are included in the scope defined by the claims of the present application.

Claims

1. A spraying mechanism, characterized in that: include A rotating shaft, wherein a first channel is provided in the rotating shaft and an annular channel is provided on the outer periphery of the rotating shaft; A mounting seat, the mounting seat being arranged on the top of the rotating shaft; A spray gun, the spray gun being mounted on the mounting seat, the spray gun being arranged away from the rotating shaft, and having a discharge channel therein; A fixed seat, the rotating shaft is rotatably connected to the fixed seat, a feed channel is provided on the fixed seat, and the feed channel, the annular channel, the first channel and the discharge channel are connected in sequence.

2. The spraying mechanism according to claim 1, characterized in that: The bottom end of the spray gun is connected to the mounting seat, and the top end of the spray gun extends upward from the mounting seat. A second channel is provided on the mounting seat, and the discharge channel is connected to the mounting seat.

3. The spraying mechanism according to claim 2, characterized in that: The rotating shaft, the spray gun and the mounting seat are integrally formed.

4. The spraying mechanism according to claim 2, characterized in that: A first tube body is provided between the rotating shaft and the mounting seat. The top end of the first tube body is communicated with the second channel, and the bottom end of the first tube body is communicated with the discharge end of the first channel.

5. The spraying mechanism according to claim 4, characterized in that: A second tube body is provided on the rotating shaft, and the second tube body is communicated with the feed end of the first channel.

6. The spraying mechanism according to claim 5, characterized in that: It comprises multiple spraying systems, wherein the discharge channel, the first tube body, the first channel and the second tube body are connected to form one spraying system, and multiple second tube bodies are arranged in sequence along the axial direction of the rotating shaft.

7. The spraying mechanism according to claim 6, characterized in that: There is only one discharge channel in the spray gun, and multiple sets of the spray systems include multiple spray guns, and the multiple sets of the spray guns are arranged along the outer periphery of the mounting seat.

8. The spraying mechanism according to claim 1, characterized in that: A sealing ring is provided between the rotating shaft and the fixing seat, and the sealing ring is arranged to avoid the annular channel.

9. The spraying mechanism according to claim 1, characterized in that: The fixing seat is provided with a driving motor, and the driving motor is connected to the bottom end of the rotating shaft.

10. A spraying device, comprising a device body and the spraying mechanism according to any one of claims 1 to 9, wherein the fixing seat is mounted on the device body.

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