CN112403756A

CN112403756A - Metal workpiece paint spraying device

Info

Publication number: CN112403756A
Application number: CN202011379700.8A
Authority: CN
Inventors: 吴学超
Original assignee: Jiashan Feifan Heat Treatment Co ltd
Current assignee: Jiashan Feifan Heat Treatment Co ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-02-26

Abstract

The invention relates to the field of paint spraying devices, in particular to a paint spraying device for a metal workpiece, which comprises a base, a paint spraying structure, a clamping structure, a driving structure, an auxiliary structure and an antifouling structure, the device is convenient to use by arranging the paint spraying structure, the metal workpiece can be hung in the air for spraying, thereby facilitating the spraying of any angle of the workpiece, fixing the metal workpiece in the air through the arrangement of the clamping structure, thereby facilitating the spraying, and the metal workpiece can be hung in the air by matching with the clamping structure through the arrangement of the auxiliary structure, further facilitating paint spraying on the workpiece, enabling the metal workpiece to be hung and then to be sprayed while rotating through the arrangement of the driving structure, improving the spraying efficiency, through the arrangement of the antifouling structure, the paint is not easy to pollute the ground and the surrounding environment in the paint spraying process.

Description

Metal workpiece paint spraying device

Technical Field

The invention relates to the field of paint spraying devices, in particular to a paint spraying device for a metal workpiece.

Background

Metal work piece is before processing to the finished product, finally need to spray paint the processing, through the one deck paint on the surface spraying at metal work piece, not only can play beautifies the decoration effect, can also play the protection to metal itself simultaneously, makes metal oxidation rust slower, and traditional japanning mode is for brushing with a brush the manual work through the paintbrush, now for improving japanning efficiency, uses the spray gun to go on japanning as required often, and not only the japanning is fast, and the japanning is even.

When the spray gun is used for spraying a metal workpiece, the workpiece needs to be placed well, then the spray gun is used for spraying the workpiece, in the spraying process, the spray gun is used for painting in a spraying mode, paint is in a small particle shape when sprayed out, so that the paint is easier to spray on the ground around the workpiece compared with the traditional manual painting, the paint sprayed on the ground is not well treated, and a device is needed for preventing the paint from being sprayed on the ground in the spraying process.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a paint spraying device for a metal workpiece.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a metal workpiece paint spraying apparatus, includes the base, sprays paint structure, clamping structure, drive structure, auxiliary structure and antifouling structure for place whole device be connected with on the base and be used for spraying paint to metal workpiece the structure of spraying paint, it can carry out fixed centre gripping to metal workpiece to spray paint structural being connected with the clamping structure, it is used for the drive to spray paint structural being connected with the clamping structure is in order to carry out rotatoryly to metal workpiece the drive structure, be connected with the cooperation on the base the clamping structure is in order to carry out fixed centre gripping to metal workpiece the auxiliary structure, be connected with on the base and prevent to paint the spraying in-process device of making dirty antifouling structure.

Specifically, the structure of spraying paint includes the connecting seat, supports stake, first bull stick, first extension board, paint jar, support, spray gun and connecting pipe, one side fixedly connected with of base the connecting seat, fixedly connected with on the connecting seat support the stake, fixedly connected with on the connecting seat the paint jar, support fixedly connected with on the stake the support, the inside of support is equipped with the spray gun, the spray gun with fixedly connected with between the paint jar the connecting pipe, it is connected with to rotate on the stake to support first bull stick, fixedly connected with on the first bull stick first extension board.

Specifically, the clamping structure includes first splint, first rubber pad, spout and first screw rod, seted up on the first extension board the spout, the inside sliding connection of spout has two first splint, two equal fixedly connected with on the first splint the first rubber pad, rotate on the first splint and be connected with first screw rod, two first splint all with first screw rod threaded connection, and two the threaded connection opposite direction of first splint.

Specifically, the drive structure includes cavity, first motor, pivot, worm and worm wheel, the inside of supporting the stake has been seted up the cavity, the inside fixedly connected with of cavity first motor, fixedly connected with on the first motor the pivot, fixedly connected with in the pivot the worm, be located of first bull stick the inside one end fixedly connected with of cavity the worm wheel, the worm wheel with the worm meshes mutually.

Specifically, the auxiliary structure comprises a fixed plate, a second rotating rod, a second support plate, a second clamping plate, a second rubber pad and a second screw rod, the fixed plate is fixedly connected to the base, the second rotating rod is rotatably connected to the fixed plate, the second support plate is fixedly connected to the second rotating rod, the second clamping plate is slidably connected to the second clamping plate, the second rubber pad is fixedly connected to both the second clamping plates, the second screw rod is rotatably connected to the second support plate, the second screw rod is in threaded connection with both the second clamping plates, the threaded connection directions of the two second clamping plates are opposite, the first rotating rod, the first support plate, the first clamping plate, the first rubber pad and the first screw rod are respectively connected with the second rotating rod, the second support plate, the second clamping plate, the second rubber pad and the second screw rod, The second screws are symmetrically arranged.

Specifically, antifouling structure includes second motor, basin, first connecting rod, second connecting rod, rotary drum and batching, the side fixedly connected with of base the second motor, seted up on the base the basin, rotate on the inner wall of basin and be connected with first connecting rod with the second connecting rod, first connecting rod with second motor fixed connection, first connecting rod with equal fixedly connected with on the second connecting rod the rotary drum, two cup jointed jointly on the rotary drum the batching.

The invention has the beneficial effects that:

(1) according to the metal workpiece paint spraying device, due to the arrangement of the paint spraying structure, the device is convenient to use, and a metal workpiece can be hung in the air to be sprayed, so that any angle of the workpiece can be conveniently sprayed, namely, the supporting pile is rotatably connected with the first rotating rod, the first rotating rod is connected with the first supporting plate, one end of the metal workpiece can be fixed on the first supporting plate, the workpiece is in a suspended state, so that a spray gun can conveniently spray any angle of the workpiece, paint can be arranged in the paint cylinder, the spray gun can extract the paint from the paint cylinder through the connecting pipe, and the spray gun can be placed in the support when not in use.

(2) According to the paint spraying device for the metal workpiece, the metal workpiece can be fixed in the air through the arrangement of the clamping structure, so that spraying is convenient, namely when the first screw rod is rotated, the first screw rod can drive the two first clamping plates to move towards opposite directions, namely the two first clamping plates can approach each other when moving, the two first clamping plates approach each other, so that the first rubber pads can clamp the metal workpiece together, and the metal workpiece is helped to be suspended in the air, so that the spraying is convenient; through auxiliary structure's setting, make can cooperate the clamping structure and hang metal workpiece in the midair, and then conveniently spray paint to the work piece, the second bull stick can slide and rotate on the fixed plate promptly, the second bull stick slides, make the interval of first extension board and second extension board roughly equal to the length of work piece, can press from both sides the one end of work piece earlier through first splint this moment, then rotate the second screw rod with the same operation, and then make second splint and second rubber pad clip metal workpiece's the other end together, then metal workpiece's both ends are all cliied this moment, hung in the midair, thereby be convenient for carry out the spraying.

(3) According to the paint spraying device for the metal workpieces, the metal workpieces can be sprayed while rotating after being suspended through the arrangement of the driving structure, so that the spraying efficiency is improved, namely, the first motor is electrified, the first motor is started, the rotating shaft is driven to rotate by the rotation of the output shaft of the first motor, the worm connected to the rotating shaft is driven to rotate by the rotation of the rotating shaft, the worm is meshed with the worm wheel, the worm can drive the worm wheel to rotate, the worm wheel is connected to the first rotating rod, the first rotating rod rotates, the metal workpieces suspended in a semi-hollow state rotate, and the worm wheel cannot drive the worm to rotate, so that the first rotating rod cannot rotate under the condition that the first motor is not started, and the metal workpieces cannot shake freely after being suspended.

(4) The paint spraying device for the metal workpiece has the advantages that through the arrangement of the antifouling structure, the paint is not easy to pollute the ground and the surrounding environment in the paint spraying process, namely, water is filled in the water tank in advance, the second motor is electrified and is started, the second motor drives the first connecting rod to rotate after being started, the first connecting rod and the second connecting rod are connected with the rotary drums, the two rotary drums are sleeved with the cloth in a common way, the cloth rolling is equivalent to a conveying belt and is continuously transmitted under the driving of the second motor, the bottom end part of the cloth rolling can be contacted with the water due to the water in the water tank, the whole cloth rolling can be contacted with the water along with the continuous transmission of the cloth rolling, the whole cloth rolling is wetted, and when the metal workpiece is sprayed, the paint sprayed by the spray gun is blocked by the cloth, and the cloth rolling is wetted, therefore, the paint sprayed on the rolling cloth is not easy to be soaked into the rolling cloth, but can be diluted by being carried into water along with the transmission of the rolling cloth, so that the paint cannot be sprayed on the ground or sprayed elsewhere during the spraying process and is difficult to clean.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural diagram illustrating an overall structure of a preferred embodiment of a metallic workpiece painting apparatus according to the present invention;

FIG. 2 is an enlarged view of the part A shown in FIG. 1;

FIG. 3 is a schematic view of the connection of the support pile and the driving structure shown in FIG. 1;

FIG. 4 is a schematic view of a connection structure between the fixing plate and the second clamping plate shown in FIG. 1;

FIG. 5 is an exploded view of the connection structure of the worm wheel and the worm shown in FIG. 3;

fig. 6 is a schematic view of the connection structure of the roll cloth and the drum shown in fig. 1.

In the figure: 1. the base, 2, the structure of spraying paint, 21, the connecting seat, 22, the support stake, 23, first bull stick, 24, first extension board, 25, paint jar, 26, the support, 27, the spray gun, 28, the connecting pipe, 3, clamping structure, 31, first splint, 32, first rubber pad, 33, the spout, 34, first screw rod, 4 drive structure, 41, the cavity, 42, first motor, 43, the pivot, 44, the worm, 45, the worm wheel, 5, auxiliary structure, 51, the fixed plate, 52, the second bull stick, 53, the second extension board, 54, the second splint, 55, the second rubber pad, 56, the second screw rod, 6, antifouling structure, 61, the second motor, 62, the basin, 63, first connecting rod, 64, the second connecting rod, 65, the rotary drum, 66, batching.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1-6, the paint spraying apparatus for metal workpieces according to the present invention includes a base 1, a paint spraying structure 2, a clamping structure 3, a driving structure 4, an auxiliary structure 5, and an anti-fouling structure 6, wherein the paint spraying structure 2 for spraying paint on metal workpieces is connected to the base 1 for placing the entire apparatus, the clamping structure 3 capable of fixedly clamping metal workpieces is connected to the paint spraying structure 2, the driving structure 4 for driving the clamping structure 3 to rotate metal workpieces is connected to the paint spraying structure 2, the auxiliary structure 5 for fixedly clamping metal workpieces is connected to the base 1 in cooperation with the clamping structure 3, and the anti-fouling structure 6 for preventing the apparatus from fouling during paint spraying is connected to the base 1.

Specifically, the paint spraying structure 2 includes a connecting seat 21, a supporting pile 22, a first rotating rod 23, a first support plate 24, a paint cylinder 25, a bracket 26, a spray gun 27 and a connecting pipe 28, one side of the base 1 is fixedly connected with the connecting seat 21, the supporting pile 22 is fixedly connected to the connecting seat 21, the paint cylinder 25 is fixedly connected to the connecting seat 21, the bracket 26 is fixedly connected to the supporting pile 22, the spray gun 27 is arranged inside the bracket 26, the connecting pipe 28 is fixedly connected between the spray gun 27 and the paint cylinder 25, the first rotating rod 23 is rotatably connected to the supporting pile 22, the first support plate 24 is fixedly connected to the first rotating rod 23, the first rotating rod 23 is rotatably connected to the supporting pile 22, the first support plate 24 is connected to the first rotating rod 23, one end of a metal workpiece can be fixed to the first support plate 24, the workpiece is then suspended so that the spray gun 27 can spray any angle of the workpiece, paint can be contained in the paint cylinder 25, the spray gun 27 can draw paint from the paint cylinder 25 through the connecting tube 28, and the spray gun 27 can be placed in the holder 26 when not in use.

Specifically, the clamping structure 3 includes a first clamping plate 31, a first rubber pad 32, a sliding groove 33 and a first screw 34, the sliding groove 33 is formed in the first support plate 24, two first clamping plates 31 are slidably connected to the inside of the sliding groove 33, the first rubber pads 32 are fixedly connected to the two first clamping plates 31, the first screw 34 is rotatably connected to the first support plate 24, the two first clamping plates 31 are both in threaded connection with the first screw 34, the threaded connection directions of the two first clamping plates 31 are opposite, when the first screw 34 is rotated, the first screw 34 can drive the two first clamping plates 31 to move in opposite directions, that is, the two first clamping plates 31 can approach each other when moving, so that the two first clamping plates 31 approach each other, and the first rubber pads 32 can clamp the metal workpiece together, thereby helping to suspend the metal workpiece, thereby facilitating spraying.

Specifically, the driving structure 4 includes a cavity 41, a first motor 42, a rotating shaft 43, a worm 44 and a worm wheel 45, the cavity 41 is formed in the supporting pile 22, the first motor 42 is fixedly connected to the inside of the cavity 41, the rotating shaft 43 is fixedly connected to the first motor 42, the worm 44 is fixedly connected to the rotating shaft 43, the worm wheel 45 is fixedly connected to one end of the first rotating rod 23 located inside the cavity 41, the worm wheel 45 is engaged with the worm 44 to energize the first motor 42, the first motor 42 is turned on, the rotating shaft 43 is driven to rotate by the rotation of the output shaft of the first motor 42, the rotating shaft 43 drives the worm 44 connected to the rotating shaft 43 to rotate, and since the worm 44 is engaged with the worm wheel 45, the worm wheel 44 drives the worm wheel 45 to rotate, and the worm wheel 45 is connected to the first rotating rod 23, therefore, the first rotating rod 23 rotates, so that the metal workpiece suspended in the semi-hollow space rotates, and the worm wheel 45 cannot drive the worm 44 to rotate, so that the first rotating rod 23 cannot rotate by itself under the condition that the first motor 42 is not started, and the metal workpiece cannot shake freely after being suspended.

Specifically, the auxiliary structure 5 includes a fixed plate 51, a second rotating rod 52, a second support plate 53, a second clamping plate 54, a second rubber pad 55 and a second screw 56, the fixed plate 51 is fixedly connected to the base 1, the second rotating rod 52 is rotatably connected to the fixed plate 51, the second support plate 53 is fixedly connected to the second rotating rod 52, two second clamping plates 54 are slidably connected to the second support plate 53, the second rubber pads 55 are fixedly connected to both the second clamping plates 54, the second screw 56 is rotatably connected to the second support plate 53, the second screw 56 is in threaded connection with the two second clamping plates 54, the threaded connection directions of the two second clamping plates 54 are opposite, the first rotating rod 23, the first support plate 24, the first clamping plate 31, the first rubber pad 32, and the first screw 34 are respectively connected to the second rotating rod 52, the second support plate 53, the second clamping plate 54, the second rubber pad 55 and the second screw 56 are symmetrically arranged, the second rotating rod 52 can slide and rotate on the fixed plate 51, the second rotating rod 52 slides, so that the distance between the first support plate 24 and the second support plate 53 is approximately equal to the length of a workpiece, at the moment, one end of the workpiece can be clamped firstly through the first clamping plate 31, then the second screw 56 is rotated by the same operation, and the second clamping plate 54 and the second rubber pad 55 clamp the other end of the metal workpiece together, at the moment, both ends of the metal workpiece are clamped and hung in the midair, and therefore spraying is facilitated.

Specifically, the anti-fouling structure 6 includes a second motor 61, a water tank 62, a first connecting rod 63, a second connecting rod 64, a rotating drum 65 and a cloth roll 66, the second motor 61 is fixedly connected to a side surface of the base 1, the water tank 62 is disposed on the base 1, the first connecting rod 63 and the second connecting rod 64 are rotatably connected to an inner wall of the water tank 62, the first connecting rod 63 is fixedly connected to the second motor 61, the rotating drum 65 is fixedly connected to both the first connecting rod 63 and the second connecting rod 64, the cloth roll 66 is commonly sleeved on the two rotating drums 65, so that water can be filled in the water tank 62 in advance, the second motor 61 is powered on, the second motor 61 is started, the first connecting rod 63 is driven to rotate by the second motor 61 after the second motor 61 is started, the rotating drum 65 is connected to both the first connecting rod 63 and the second connecting rod 64, and the cloth roll 66 is commonly sleeved on the two rotating drums 65, therefore, the rolling cloth 66 is equivalent to a conveyor belt and is continuously driven by the second motor 61, because the water is in the water tank 62, the bottom end part of the rolling cloth 66 is contacted with the water, and along with the continuous driving of the rolling cloth 66, the whole rolling cloth 66 can be contacted with the water, so that the whole rolling cloth 66 is wetted, when a metal workpiece is sprayed, the paint sprayed by the spray gun 27 is blocked by the rolling cloth 66 due to the existence of the rolling cloth 66 behind, and the rolling cloth 66 is wetted, so that the paint sprayed on the rolling cloth 66 is not easy to be immersed into the rolling cloth 66, but is diluted along with the driving of the rolling cloth 66, and thus the paint cannot be sprayed on the ground or sprayed elsewhere in the spraying process and is difficult to clean.

When the spraying device is used, firstly, the first rotating rod 23 is rotatably connected to the support pile 22, the first rotating rod 23 is connected to the first supporting plate 24, one end of a metal workpiece can be fixed to the first supporting plate 24, and the workpiece is in a suspended state, so that the spraying gun 27 can spray the workpiece at any angle conveniently, paint can be contained in the paint cylinder 25, the spraying gun 27 can extract the paint from the paint cylinder 25 through the connecting pipe 28, and the spraying gun 27 can be placed in the support 26 when not in use; when the first screw rod 34 is rotated, the first screw rod 34 can drive the two first clamping plates 31 to move in opposite directions, that is, the two first clamping plates 31 can approach each other when moving, so that the two first clamping plates 31 approach each other, and the first rubber pads 32 can clamp the metal workpiece together, thereby helping to suspend the metal workpiece in the air, and facilitating spraying; the second rotating rod 52 can slide and rotate on the fixed plate 51, the second rotating rod 52 is slid, so that the distance between the first support plate 24 and the second support plate 53 is approximately equal to the length of the workpiece, at this time, one end of the workpiece can be clamped by the first clamping plate 31, then the second screw 56 is rotated by the same operation, so that the second clamping plate 54 and the second rubber pad 55 clamp the other end of the metal workpiece together, at this time, both ends of the metal workpiece are clamped and hung in the half-air, and therefore spraying is facilitated; the first motor 42 is electrified, the first motor 42 is started, the rotation of the output shaft of the first motor 42 can drive the rotating shaft 43 to rotate, the rotation of the rotating shaft 43 can drive the worm 44 connected to the rotating shaft 43 to rotate, the worm 44 is meshed with the worm wheel 45, the worm wheel 44 can drive the worm wheel 45 to rotate after rotating, and the worm wheel 45 is connected to the first rotating rod 23, so that the first rotating rod 23 rotates, the metal workpiece hung in a half-hollow state rotates, and the worm wheel 45 cannot drive the worm 44 to rotate, so that the first rotating rod 23 cannot rotate by itself under the condition that the first motor 42 is not started, and the metal workpiece is guaranteed not to swing along with the situation after being hung; the water can be filled in the water tank 62 in advance, the second motor 61 is electrified, the second motor 61 is started, the first connecting rod 63 is driven to rotate after the second motor 61 is started, the first connecting rod 63 and the second connecting rod 64 are connected with the rotary drums 65, the two rotary drums 65 are sleeved with the batching 66 in common, the batching 66 is equivalent to a conveyor belt and is continuously driven under the drive of the second motor 61, the water is arranged in the water tank 62, the bottom end part of the batching 66 can be contacted with the water, the whole batching 66 can be contacted with the water along with the continuous drive of the batching 66, so that the whole batching 66 is wetted, when a metal workpiece is sprayed, the paint sprayed out by the spray gun 27 is blocked by the batching 66 due to the existence of the back batching 66, the paint is sprayed onto the batching 66 and is soaked in the batching 66, but is not easy to be driven along with the batching 66, the paint is brought into the water to be diluted, so that the paint is not sprayed on the ground or elsewhere during the spraying process and is difficult to clean.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a metal work piece paint spraying apparatus which characterized in that: including base (1), the structure (2) that sprays paint, clamping structure (3), drive structure (4), auxiliary structure (5) and antifouling structure (6), be used for placing whole device be connected with on base (1) and be used for spraying paint to metal work piece spray paint structure (2), it can carry out fixed centre gripping to metal work piece to be connected with on the structure (2) of spraying paint clamping structure (3), it is used for the drive to be connected with on the structure (2) of spraying paint clamping structure (3) are in order to carry out the rotation to metal work piece drive structure (4), be connected with the cooperation on base (1) clamping structure (3) are in order to carry out fixed centre gripping to metal work piece auxiliary structure (5), be connected with on base (1) and prevent to paint the device of making dirty of spraying in-process antifouling structure (6).

2. A metallic workpiece spray painting apparatus as claimed in claim 1, characterised in that: the paint spraying structure (2) comprises a connecting seat (21), a supporting pile (22), a first rotating rod (23), a first support plate (24), a paint cylinder (25), a bracket (26), a spray gun (27) and a connecting pipe (28), one side of the base (1) is fixedly connected with the connecting seat (21), the connecting seat (21) is fixedly connected with the supporting pile (22), the paint cylinder (25) is fixedly connected to the connecting seat (21), the support pile (22) is fixedly connected to the bracket (26), the spray gun (27) is arranged in the bracket (26), the connecting pipe (28) is fixedly connected between the spray gun (27) and the paint cylinder (25), the supporting pile (22) is connected with the first rotating rod (23) in a rotating mode, and the first rotating rod (23) is fixedly connected with the first supporting plate (24).

3. A metallic workpiece spray painting apparatus as claimed in claim 2, wherein: clamping structure (3) include first splint (31), first rubber pad (32), spout (33) and first screw rod (34), seted up on first splint (24) spout (33), the inside sliding connection of spout (33) has two first splint (31), two equal fixedly connected with on first splint (31) first rubber pad (32), rotate on first splint (24) and be connected with first screw rod (34), two first splint (31) all with first screw rod (34) threaded connection, and two the threaded connection opposite direction of first splint (31).

4. A metallic workpiece spray painting apparatus as claimed in claim 2, wherein: drive structure (4) include cavity (41), first motor (42), pivot (43), worm (44) and worm wheel (45), the inside of supporting stake (22) has been seted up cavity (41), the inside fixedly connected with of cavity (41) first motor (42), fixedly connected with on first motor (42) pivot (43), fixedly connected with on pivot (43) worm (44), being located of first bull stick (23) the inside one end fixedly connected with of cavity (41) worm wheel (45), worm wheel (45) with worm (44) mesh mutually.

5. A metallic workpiece spray painting apparatus as claimed in claim 3, wherein: the auxiliary structure (5) comprises a fixing plate (51), a second rotating rod (52), a second support plate (53), a second clamping plate (54), a second rubber pad (55) and a second screw rod (56), the fixing plate (51) is fixedly connected to the base (1), the second rotating rod (52) is rotatably connected to the fixing plate (51), the second support plate (53) is fixedly connected to the second rotating rod (52), the two second clamping plates (54) are slidably connected to the second support plate (53), the second rubber pad (55) is fixedly connected to each of the two second clamping plates (54), the second screw rod (56) is rotatably connected to each of the second support plates (53), the second screw rods (56) are in threaded connection with the two second clamping plates (54), and the threaded connection directions of the two second clamping plates (54) are opposite, the first rotating rod (23), the first support plate (24), the first clamping plate (31), the first rubber pad (32) and the first screw (34) are respectively arranged symmetrically with the second rotating rod (52), the second support plate (53), the second clamping plate (54), the second rubber pad (55) and the second screw (56).

6. A metallic workpiece spray painting apparatus as claimed in claim 1, characterised in that: antifouling structure (6) include second motor (61), basin (62), first connecting rod (63), second connecting rod (64), rotary drum (65) and batching (66), the side fixedly connected with of base (1) second motor (61), seted up on base (1) basin (62), it is connected with to rotate on the inner wall of basin (62) first connecting rod (63) with second connecting rod (64), first connecting rod (63) with second motor (61) fixed connection, first connecting rod (63) with equal fixedly connected with on second connecting rod (64) rotary drum (65), two cup joint jointly on rotary drum (65) batching (66).