CN116810596B

CN116810596B - Tank surface treatment equipment

Info

Publication number: CN116810596B
Application number: CN202310941186.XA
Authority: CN
Inventors: 化希杰; 李云鹏; 蒋骁骊
Original assignee: Shanghai Fleetguard Filter Co ltd
Current assignee: Shanghai Fleetguard Filter Co ltd
Priority date: 2023-07-28
Filing date: 2023-07-28
Publication date: 2026-01-23
Anticipated expiration: 2043-07-28
Also published as: CN116810596A

Abstract

This invention relates to the field of surface processing technology, specifically disclosing a tank surface treatment device. This device is used to process tanks and includes a conveyor chain, a deburring device, a surface cleaning device, and a changing device. The conveyor chain transports the tanks. The deburring device includes a rotating drum and a brush roller. The rotating drum drives the tank located at the deburring position to rotate, and the brush roller rotates in contact with the side wall of the tank at the deburring position, opposite to the direction of rotation of the tank. The surface cleaning device has a silent chamber through which the conveyor chain passes. A blowing assembly blows plasma gas into the tank located within the silent chamber, and an extraction assembly extracts particles from the silent chamber. The changing device includes several spaced-apart limiting groups, each including two limiting frames located on either side of the conveyor chain. The two limiting frames can move towards or away from each other to selectively clamp the conveyor chain. This device, with its structure, achieves efficient cleaning of the tanks and improves the yield rate.

Description

Tank surface treatment equipment

Technical Field

The invention relates to the technical field of surface processing, in particular to tank surface treatment equipment.

Background

At present, all metal tank seaming type filters have the problems of more impurities on the surface of a tank and more burrs on seaming positions, and because of the restrictions of the prior art and the cost, particles and burrs on the surface of a seamed white blank product can greatly influence the production quality of the next powder spraying process, such as unstable powder spraying, bad appearance, influence on screen printing and the like. Along with the increasing requirements of customers on the appearance of the filter, the control of the yield of the filter is also more and more strict, and the manufacturing cost of the filter is also increased.

The filter has very high requirements on the surface cleanliness of the tank body, and the main current cleaning mode of the tank body surface is manual wiping and high-pressure air gun cleaning by operators, but the mode has low efficiency, high cost and unstable cleaning effect.

Therefore, a set of tank surface treatment equipment capable of running along with production line is needed to automatically clean and collect particles and burrs on the surface of the white blank tank after seaming, so that the product is fully cleaned, and the purposes of improving the cleaning effect and the cleaning efficiency are achieved.

Disclosure of Invention

The invention aims to provide tank surface treatment equipment so as to realize comprehensive and efficient cleaning of the surface of a tank and improve the yield of the tank.

To achieve the purpose, the invention adopts the following technical scheme:

The tank body surface treatment equipment is used for processing tank bodies and comprises a conveying chain, a burr cleaning device, a surface cleaning device and a mold changing device, wherein the conveying chain is used for sequentially conveying the tank bodies among the burr cleaning device, the surface cleaning device and the mold changing device, the burr cleaning device comprises a rolling cylinder and a brush roller, the rolling cylinder can drive the tank bodies located at the burr cleaning position to rotate around the axis of the tank bodies, the brush roller is rotationally attached to the side wall of the tank bodies located at the burr cleaning position and opposite to the rotation direction of the tank bodies, the surface cleaning device comprises a blowing component and an extracting component, a mute cavity is formed in the surface cleaning device, the conveying chain penetrates through the mute cavity, the blowing component is arranged in the mute cavity and is used for blowing plasma gas to the tank bodies located in the mute cavity, the extracting component is communicated with the mute cavity and is used for extracting particles in the mute cavity, the mold changing device comprises a plurality of limiting groups which are arranged at intervals, each limiting group comprises two opposite conveying chains, and the two limiting frames can be selectively clamped by two opposite conveying chains or two opposite limiting frames.

As the preferable technical scheme of the can surface treatment equipment, the burr cleaning device comprises a supporting table, a push rod support and a roller table, wherein the push rod support and the roller table are fixedly connected to the supporting table, the push rod support and the roller table are respectively arranged on two sides of a conveying chain, the rolling drum is rotationally connected with the roller table around the axis of the rolling drum, the brush drum is in transmission connection with the rolling drum, the brush drum can rotate around the axis of the brush drum, a movable support is movably arranged on the push rod support and can move between an avoiding position and a treatment position relative to the rolling drum, a plurality of push rod rollers are rotationally connected to the movable support, and when the movable support is positioned at the treatment position, the push rod rollers are in rotary fit with the can body positioned at the burr cleaning position.

As the preferred technical scheme of jar body surface treatment facility, install push rod drive unit and linear bearing on the push rod support, the push rod drive unit is used for the drive the movable support, the rigid coupling has the guide bar on the movable support, the guide bar with linear bearing sliding fit.

As the preferable technical scheme of the tank surface treatment equipment, a roller driving unit is arranged on the roller table and is used for driving the rolling cylinder, the rolling cylinder is in transmission connection with a transmission gear, and the transmission gear is in transmission connection with the brush roller.

As the preferred technical scheme of tank surface treatment equipment, install the burr collection box on the cylinder bench, the burr collection box is located under the brush cylinder is used for collecting the burr that the brush cylinder got rid of.

As the preferred technical scheme of jar body surface treatment facility, sweep the subassembly and include plasma wind channel and a plurality of high-pressure air gun, the plasma wind channel cloth in just over the conveyer chain is used for to the silence intracavity is carried plasma gas, a plurality of high-pressure air gun interval distribution in the both sides of conveyer chain are used for sweeping the surface of jar body.

The extraction assembly is arranged below the mute cavity and comprises an exhaust fan and a particle collecting box, wherein the exhaust fan is communicated with the mute cavity and the particle collecting box, and the exhaust fan can convey particles in the mute cavity into the particle collecting box.

As the preferred technical scheme of jar body surface treatment facility, surface cleaning device still includes first plummer and a plurality of silence board, first plummer bears the conveyer chain, first plummer and all silence board enclose into silence chamber, silence board is used for reducing the noise that the subassembly produced sweeps.

As the preferable technical scheme of the tank surface treatment equipment, the mold changing device further comprises a second bearing table, wherein the second bearing table bears the conveying chain, the limiting frame is movably arranged on the mold changing table, and all the mold changing tables are fixedly connected to the second bearing table.

As the preferable technical scheme of the tank surface treatment equipment, a mold changing cylinder and a throttle valve are arranged on the mold changing table, the mold changing cylinder is used for driving the limiting frame, an air supply hole and a gas release hole are formed in the throttle valve, the mold changing cylinder is provided with an air inlet hole, a first gas outlet hole and a second gas outlet hole, the air inlet hole and the first gas outlet hole are communicated with the inner cavity of the mold changing cylinder, the air inlet hole is communicated with the air supply hole, the gas outlet end of the first gas outlet hole is communicated with the gas inlet end of the second gas outlet hole, and the gas outlet end of the second gas outlet hole is communicated with the gas release hole.

The invention has the beneficial effects that:

The tank surface treatment equipment achieves the purpose of carrying the tank body by means of the conveying chain, can ensure that the tank body sequentially completes the operation of cleaning burrs at the seaming part, cleaning particles on the surface of the tank body and adjusting the position of the tank body in the width direction, improves the efficiency of treating the surface of the tank body, ensures the compactness of the tank surface treatment equipment and reduces the space occupied by the tank surface treatment equipment. By utilizing the design of the rolling cylinder and the brush roller, the tank body and the brush roller are combined to turn to the opposite content, so that the speed direction of burrs at the edge of the tank body is opposite when the burrs are contacted with the brush roller, the impact force of the brush roller on the burrs can be greatly improved, and the polishing effect and the polishing efficiency of the brush roller can be improved. The surface cleaning device utilizes the design of the sweeping component for sweeping the plasma gas, so that the plasma gas can enable particles attached to the surface of the tank body to have the same charge, the particles attached to the surface are enabled to fall off automatically according to the principle of repulsion of the like charges, and the sweeping component can also blow off the residual attached particles on the surface of the tank body and the particles on the surface of the conveying chain in a sweeping mode. The limiting groups clamp the conveying chain by using two opposite limiting frames, so that the width of the conveying chain is adjusted, and the purpose of gradually reducing the width of the conveying chain is achieved by arranging a plurality of limiting groups at intervals. Through carrying out integrated design with burr cleaning device, surface cleaning device and retooling device, can utilize same equipment to realize the clean operation of the assembly line to the not unidimensional jar body, and then accomplished the comprehensive high-efficient cleanness to the jar body, improved the yields of the jar body.

Drawings

FIG. 1 is a schematic view of a tank surface treatment apparatus according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a burr cleaning apparatus according to a first view angle provided by an embodiment of the present invention;

Fig. 3 is a schematic structural view of a burr cleaning apparatus according to a second view angle provided by an embodiment of the present invention;

fig. 4 is a schematic structural view of a burr cleaning apparatus according to a third view angle provided by an embodiment of the present invention;

FIG. 5 is a schematic view of a surface cleaning apparatus according to an embodiment of the present invention;

Fig. 6 is a schematic structural diagram of a mold changing device according to an embodiment of the present invention.

In the figure:

100. The burr cleaning device comprises 110, a push rod bracket, 111, a push rod driving unit, 112, a linear bearing, 120, a movable bracket, 121, a push rod roller, 122, a guide rod, 130, a roller table, 131, a roller cylinder, 132, a burr collecting box, 133, a roller driving unit, 134, a transmission gear, 135, a brush roller, 190 and a supporting table;

200. Surface cleaning device 210, exhaust fan 220, plasma air duct 230, mute plate 240, high-pressure air gun 250, particle collection box 260, air source 270, first bearing table;

300. the device comprises a mold changing device, 310, a limiting frame, 320, a mold changing table, 330, a mold changing cylinder, 340, a throttle valve, 350 and a second bearing table;

400. Powder spraying device 800, flange 900, conveying chain.

Detailed Description

The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first location" and "second location" are two distinct locations and wherein the first feature is "above," "over" and "over" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is level above the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present invention, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.

As shown in fig. 1 to 6, the present embodiment provides a can surface treatment apparatus for processing a can body, comprising a conveying chain 900, a burr cleaning device 100, a surface cleaning device 200 and a mold changing device 300, wherein the conveying chain 900 is used for conveying the can body among the burr cleaning device 100, the surface cleaning device 200 and the mold changing device 300 in sequence, the burr cleaning device 100 comprises a rolling cylinder 131 and a brush roller 135, the rolling cylinder 131 can drive the can body at the burr cleaning position to rotate around the axis of the can body, the brush roller 135 is rotationally attached to the side wall of the can body at the burr cleaning position and opposite to the rotation direction of the can body, the surface cleaning device 200 comprises a purging component and an extracting component, the surface cleaning device 200 is provided with a mute cavity, the conveying chain 900 penetrates through the mute cavity, the purging component is arranged in the mute cavity and is used for purging plasma gas to the can body at the mute cavity, the extracting component is communicated with the mute cavity and is used for extracting particles in the mute cavity, the mold changing device 300 comprises a plurality of limiting groups arranged at intervals, the limiting groups comprise two limiting frames 310 which are separated at two sides of the conveying chain 900, and the two limiting frames 310 can move oppositely or reversely, or can selectively clamp the conveying chain 900.

The tank surface treatment equipment achieves the purpose of carrying the tank body by means of the conveying chain 900, can ensure that the tank body sequentially completes the operations of cleaning burrs at the seaming part, cleaning particles on the surface of the tank body and adjusting the position of the tank body in the width direction, improves the efficiency of treating the surface of the tank body, ensures the compactness of the tank surface treatment equipment and reduces the space occupied by the tank surface treatment equipment. By utilizing the design of the rolling cylinder 131 and the brush roller 135 and combining the opposite steering contents of the tank body and the brush roller 135, the speed direction of burrs at the edge of the tank body is opposite when the burrs are contacted with the brush roller 135, so that the impact force of the brush roller 135 on the burrs is greatly improved, and the polishing effect and the polishing efficiency of the brush roller 135 are improved. The surface cleaning apparatus 200 uses the design of the purge component to purge the plasma gas, so that the plasma gas can make the particles attached to the surface of the tank body have the same charges, and according to the principle of the repulsion of the like charges, the particles attached to the surface are caused to fall off by themselves, and the purge component can also blow off the residual attached particles on the surface of the tank body and the particles on the surface of the conveying chain 900 in a manner of purging the surface of the tank body. The limiting groups clamp the conveying chain 900 by using two opposite limiting frames 310, so that the width of the conveying chain 900 is adjusted, and the purpose of gradually reducing the width of the conveying chain 900 is achieved by arranging a plurality of limiting groups at intervals. Through carrying out integrated design with burr cleaning device 100, surface cleaning device 200 and retooling device 300, can utilize same equipment to realize the pipelined cleaning operation to the not unidimensional jar body, and then accomplished the comprehensive high-efficient cleanness to the jar body, improved the yields of jar body.

In this embodiment, the tank surface treatment apparatus further includes a powder spraying device 400, and the conveyor chain 900 conveys the tank body passing through the mold changing device 300 to the powder spraying device 400, and the powder spraying device 400 is used for spraying powder for post-treatment onto the surface of the tank body.

In this embodiment, the burr cleaning apparatus 100 includes a supporting table 190, a push rod bracket 110 and a roller table 130 fixedly connected to the supporting table 190, wherein the push rod bracket 110 and the roller table 130 are respectively located at two sides of a conveying chain 900, the roller 131 is rotatably connected to the roller table 130 around an axis of the roller 131, the brush roller 135 is drivingly connected to the roller 131, the brush roller 135 can rotate around an axis of the brush roller 135, a movable bracket 120 is movably mounted on the push rod bracket 110, the movable bracket 120 can move between an avoiding position and a processing position relative to the roller 131, a plurality of push rod rollers 121 are rotatably connected to the movable bracket 120, and when the movable bracket 120 is in the processing position, the push rod rollers 121 are rotatably matched with a can body located in the burr cleaning position.

The arrangement of the push rod support 110 and the roller table 130 on both sides of the conveying chain 900 optimizes the structure of the burr cleaning device 100, reduces the positioning difficulty of the tank body, and optimizes the stress condition of the tank body. The brush roller 135 is connected to the rolling cylinder 131 in a transmission manner, so that the structure of the burr cleaning apparatus 100 is simplified, and the difficulty in rotating and attaching the brush roller 135 to the can body is reduced. By means of the design that the movable support 120 can move between the avoiding position and the processing position relative to the rolling barrel 131, the purpose of selectively positioning the can body can be achieved, meanwhile, by means of the rotating fit of the push rod roller 121 and the side wall of the can body, uneven stress of the can body is avoided, the can body is ensured to smoothly rotate around the axis of the can body, and the polishing capability of the brush roller 135 on burrs is improved.

Further, a push rod driving unit 111 and a linear bearing 112 are installed on the push rod support 110, the push rod driving unit 111 is used for driving the movable support 120, a guide rod 122 is fixedly connected to the movable support 120, and the guide rod 122 is in sliding fit with the linear bearing 112. Specifically, the push rod driving unit 111 is an air cylinder. By means of the push rod driving unit 111, the movable support 120 is driven, and the movable support 120 can move smoothly between the avoiding position and the processing position relative to the rolling barrel 131. The sliding fit of the guide rod 122 and the linear bearing 112 plays a role in guiding the movable bracket 120, so that the situation that the movable bracket 120 is deviated in position is avoided, and the smooth operation of the movable bracket 120 is ensured.

Specifically, the pushrod rollers 121 are open angle pushrod rollers. The design of the angle opening push rod roller can efficiently solve the problems of unstable rotation, not in-place clamping and inconvenient replacement of the tank body.

In this embodiment, the burr cleaning apparatus 100 further includes a first control component and a first sensor communicatively connected to the first control component, where the first control component is used to control the push rod driving unit 111, the first sensor is used to detect a position of the can body in the burr cleaning apparatus 100, and the first sensor is capable of enabling the first control component to timely control the push rod driving unit 111 by sending a signal to the first control component, enabling the movable support 120 to move to a processing position and positioning the can body in the burr cleaning position, and after a predetermined time, the first control component further controls the push rod driving unit 111, enabling the movable support 120 to move to an avoidance position, and not positioning the can body any more, so that the can body can continue to move along with the conveying chain 900.

In this embodiment, a roller driving unit 133 is mounted on the roller table 130, the roller driving unit 133 is used for driving the rolling drum 131, the rolling drum 131 is in transmission connection with the transmission gear 134, and the transmission gear 134 is in transmission connection with the brush roller 135. Specifically, the drum driving unit 133 is a servo motor. With the above design, the rolling barrel 131 is ensured to smoothly rotate around the axis of the rolling barrel 131, and meanwhile, the action of the brush roller 135 is accurately controllable through the cooperation of the transmission gear 134.

Illustratively, a burr collecting box 132 is mounted on the drum stand 130, and the burr collecting box 132 is provided right under the brush drum 135 for collecting burrs removed from the brush drum 135. The arrangement of the burr collecting box 132 plays a role in collecting burrs, reduces the risk of the burrs splashing around, improves the cleanliness of the burr cleaning device 100, and reduces the cleaning difficulty of the burr cleaning device 100.

In this embodiment, the surface cleaning apparatus 200 further includes a gas source 260, the gas source 260 being configured to supply gas to the purge assembly.

Illustratively, the purging component includes a plasma air duct 220 and a plurality of high-pressure air guns 240, the plasma air duct 220 is arranged right above the conveying chain 900 for conveying plasma gas into the silent cavity, and the plurality of high-pressure air guns 240 are distributed at intervals on two sides of the conveying chain 900 for purging the surface of the tank body. By providing the high-pressure air gun 240, a large amount of high-speed air is blown out from the air gun port to blow off the residual adhering particles on the surface of the tank and the adhering particles on the surface of the conveyor chain 900. By means of the arrangement of the plasma air duct 220, a large amount of plasma gas exists in the silent cavity, and therefore particles attached to the surface of the tank body can be automatically separated.

In this embodiment, the surface cleaning apparatus 200 further includes a second control component and a second sensor communicatively connected to the second control component, where the second control component is configured to control the purge component to start or stop operating, and the second sensor is configured to detect a position of the tank in the surface cleaning apparatus 200, and the second sensor is configured to send a signal to the second control component, so that the second control component can timely control the purge component to start operating when the tank is present in the silence cavity, and stop operating of the purge component until the tank is not present in the silence cavity.

Illustratively, the extraction assembly is disposed below the silence chamber, the extraction assembly includes an exhaust fan 210 and a particle collection bin 250, the exhaust fan 210 communicates with the silence chamber and the particle collection bin 250, and the exhaust fan 210 is capable of transferring particles in the silence chamber into the particle collection bin 250.

The setting of extraction subassembly makes the granule dust in the silence intracavity can be collected in granule collecting box 250 box, and granule collecting box 250 can be linked together with burr collecting box 132 through external tracheal mode simultaneously, and then plays the effect of collecting the burr simultaneously. The improvement ensures that the particle collection box 250 only needs to be cleaned regularly, thereby greatly reducing the workload of operators.

In this embodiment, the surface cleaning apparatus 200 further includes a first carrying table 270 and a plurality of silencing plates 230, where the first carrying table 270 carries the conveying chain 900, the first carrying table 270 and all silencing plates 230 enclose a silencing cavity, and the silencing plates 230 are used for reducing noise generated by the purge component. Considering that the high-pressure air gun 240 can generate high-decibel noise during operation, there is a need to improve the sound insulation capability of the mute cavity, and the design of enclosing the mute cavity by the mute plate 230 can effectively reduce the noise generated by the high-pressure air gun 240, thereby being beneficial to improving the working environment of operators.

In this embodiment, a flange 800 is fixedly connected to the limiting frame 310, and the flange 800 contacts with the conveying chain 900. The provision of the rib 800 helps to enlarge the contact area with the conveyor chain 900, reduce the probability of uneven stress of the conveyor chain 900, and improve the success rate of the width changing operation.

The mold changing device 300 further comprises a second carrying table 350, wherein the second carrying table 350 carries a conveying chain 900, the limiting frame 310 is movably mounted on the mold changing table 320, and all mold changing tables 320 are fixedly connected to the second carrying table 350. By means of the design of the mold changing table 320, the movement rule of the limiting frame 310 is limited, and the whole conveying chain 900 realizes the width mold changing of the whole conveying chain 900 through the adjustment of a plurality of limiting groups and the flanges 800. The design enables the width type changing operation of the type changing device 300 on the conveying chain 900 to be completed step by step according to the preset planning, avoids the risk of damage to the conveying chain 900 caused by overlarge position deviation, reduces the risk of shutdown of the tank surface treatment equipment caused by accidents, and improves the working efficiency.

The mold changing device 300 further comprises a PLC panel, and the corresponding width adjusted by each limiting group is determined by the mold changing program of the PLC panel. Specifically, the PLC panel is a conventional structure in the art, and its specific operation is common general knowledge in the art.

Further, a mold changing cylinder 330 and a throttle valve 340 are installed on the mold changing platform 320, the mold changing cylinder 330 is used for driving the limiting frame 310, an air supply hole and an air release hole are formed in the throttle valve 340, the mold changing cylinder 330 is provided with an air inlet hole, a first air outlet hole and a second air outlet hole, the air inlet hole and the first air outlet hole are communicated with the inner cavity of the mold changing cylinder 330, the air inlet hole is communicated with the air supply hole, the air outlet end of the first air outlet hole is communicated with the air inlet end of the second air outlet hole, and the air outlet end of the second air outlet hole is communicated with the air release hole.

Through setting up the gas circuit of first venthole and second venthole intercommunication, second venthole and bleed hole intercommunication, reduced the use quantity of choke valve 340, reduced the running cost of retooling device 300, make choke valve 340 can with the supporting production of retooling cylinder 330 simultaneously to make choke valve 340 and retooling cylinder 330's assembly compacter, thereby ensured that the motion of locating part 310 relative retooling platform 320 can be accomplished excessively smoothly. Meanwhile, the design of adding the throttle valve 340 on the mold changing cylinder 330 can effectively reduce the vibration of the mold changing cylinder 330, thereby playing a role in protecting the mold changing cylinder 330. The above improvement reduces the maintenance frequency of the mold changing cylinder 330, reduces noise generated when the mold changing device 300 operates, and improves the working efficiency of the mold changing device 300.

It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.

Claims

1. The tank surface treatment equipment is used for processing the tank body and is characterized by comprising a conveying chain (900), a burr cleaning device (100), a surface cleaning device (200) and a mold changing device (300);

The conveying chain (900) is used for conveying the tank body among the burr cleaning device (100), the surface cleaning device (200) and the mold changing device (300) in sequence;

The burr cleaning device (100) comprises a rolling cylinder (131) and a brush roller (135), wherein the rolling cylinder (131) can drive the tank body positioned at the burr cleaning position to rotate around the axis of the tank body, and the brush roller (135) is rotationally attached to the side wall of the tank body positioned at the burr cleaning position and is opposite to the rotation direction of the tank body;

The surface cleaning device (200) comprises a purging component and an extracting component, wherein a mute cavity is formed in the surface cleaning device (200), the conveying chain (900) penetrates through the mute cavity, the purging component is arranged in the mute cavity and is used for purging plasma gas to the tank body in the mute cavity, and the extracting component is communicated with the mute cavity and is used for extracting particles in the mute cavity;

The mold changing device (300) comprises a plurality of limiting groups which are arranged at intervals, wherein each limiting group comprises two limiting frames (310) which are respectively positioned at two sides of the conveying chain (900), and the two limiting frames (310) can move in opposite directions or in opposite directions so as to selectively clamp the conveying chain (900);

The burr cleaning device (100) comprises a supporting table (190) and a push rod support (110) and a roller table (130) which are fixedly connected to the supporting table (190), wherein the push rod support (110) and the roller table (130) are respectively arranged on two sides of a conveying chain (900), the roller (131) is rotationally connected to the roller table (130) around the axis of the roller (131), the brush roller (135) is in transmission connection with the roller (131), the brush roller (135) can rotate around the axis of the brush roller (135), a movable support (120) is movably arranged on the push rod support (110), the movable support (120) can move between an avoidance position and a processing position relative to the roller (131), a plurality of push rod rollers (121) are rotationally connected to the movable support (120), and when the movable support (120) is in the processing position, the push rod rollers (121) are in rotational fit with the can body positioned in the burr cleaning position.

2. The can surface treatment apparatus according to claim 1, wherein a push rod driving unit (111) and a linear bearing (112) are mounted on said push rod support (110), said push rod driving unit (111) is used for driving said movable support (120), a guide rod (122) is fixedly connected to said movable support (120), and said guide rod (122) is slidably engaged with said linear bearing (112).

3. Tank surface treatment device according to claim 1, characterized in that the drum table (130) is provided with a drum driving unit (133), the drum driving unit (133) being adapted to drive the rolling drum (131), the rolling drum (131) being in driving connection with a transmission gear (134), the transmission gear (134) being in driving connection with the brush drum (135).

4. The can surface treating apparatus according to claim 1, wherein a burr collecting box (132) is mounted on said drum table (130), said burr collecting box (132) being provided directly under said brush drum (135) for collecting burrs removed by said brush drum (135).

5. The tank surface treatment device according to claim 1, wherein the purging assembly comprises a plasma air duct (220) and a plurality of high-pressure air guns (240), the plasma air duct (220) is arranged right above the conveying chain (900) and is used for conveying the plasma gas into the silent cavity, and the high-pressure air guns (240) are distributed on two sides of the conveying chain (900) at intervals and are used for purging the surface of the tank.

6. The tank surface treatment apparatus of claim 1, wherein the extraction assembly is disposed below the silence chamber, the extraction assembly comprising an exhaust fan (210) and a particle collection bin (250), the exhaust fan (210) being in communication with the silence chamber and the particle collection bin (250), the exhaust fan (210) being capable of transferring the particles within the silence chamber into the particle collection bin (250).

7. The tank surface treatment apparatus according to claim 1, wherein the surface cleaning device (200) further comprises a first carrying table (270) and a plurality of silencing plates (230), the first carrying table (270) carrying the conveyor chain (900), the first carrying table (270) and all of the silencing plates (230) enclosing the silencing chamber, the silencing plates (230) being adapted to reduce noise generated by the purge assembly.

8. The can surface treatment apparatus according to any one of claims 1-7, wherein said change-over device (300) further comprises a second carrying table (350), said second carrying table (350) carrying said conveyor chain (900), said stopper (310) being movably mounted to a change-over table (320), all of said change-over tables (320) being fixedly mounted to said second carrying table (350).

9. The tank surface treatment device according to claim 8, wherein a mold changing cylinder (330) and a throttle valve (340) are mounted on the mold changing table (320), the mold changing cylinder (330) is used for driving the limiting frame (310), an air supply hole and an air release hole are formed in the throttle valve (340), the mold changing cylinder (330) is provided with an air inlet hole, a first air outlet hole and a second air outlet hole, the air inlet hole and the first air outlet hole are communicated with an inner cavity of the mold changing cylinder (330), the air inlet hole is communicated with the air supply hole, an air outlet end of the first air outlet hole is communicated with an air inlet end of the second air outlet hole, and an air outlet end of the second air outlet hole is communicated with the air release hole.