CN214487501U - Mechanical connection work piece rust-resistant paint spraying machine - Google Patents

Abstract

The utility model relates to the technical field of surface rust prevention accessories, in particular to a mechanical connection workpiece rust prevention paint spraying machine which can automatically turn over workpieces without shutdown operation and can comprehensively spray paint to the workpieces; meanwhile, the harm of the paint spraying waste gas to workers can be reduced; comprises a box body, a box door, a connecting pipe and a middle pipe, wherein two groups of nozzles are arranged at the right end of the middle pipe; still include first motor, the second motor, the top board, the bottom board, the gag lever post, the top board, holding down plate and pivot, box inner bottom lateral wall right half regional rotation groove that is provided with, first motor bottom output is provided with first transmission shaft, be provided with first ball bearing and second ball bearing between first transmission shaft and rotation hole and the rotation inslot lateral wall respectively, second motor bottom output is provided with the second transmission shaft, be provided with the third ball bearing between second transmission shaft and the last perforating hole inside wall.

Description

Mechanical connection work piece rust-resistant paint spraying machine

Technical Field

The utility model relates to a technical field of rust-resistant auxiliary device in surface especially relates to a rust-resistant paint vehicle flush coater of mechanical connection work piece.

Background

As is well known, a rust preventive paint spraying machine for mechanically connected workpieces is an auxiliary device for spraying rust preventive paint to mechanically connected workpieces, and is widely used in the field of surface rust prevention; the existing antirust paint spraying machine for mechanically connected workpieces comprises a box body, a box door, a connecting pipe, a middle pipe, a fixing plate and a fixing clamp, wherein a working cavity is arranged in the box body, a box opening is formed in the central area of the front side wall of the box body and is communicated with the working cavity, the left end of the box door is connected with the left half area of the front side wall of the box body through a hinge, a connecting hole is transversely formed in the central area of the left side wall of the box body, the right output end of the connecting pipe penetrates through the connecting hole and is connected with the left input end of the middle pipe, two groups of nozzles are arranged at the right end of the middle pipe, the top end of the fixing plate is connected with the right half area of the inner top side wall of the box body, and the fixing clamp is arranged in the central area of the bottom end of the fixing plate; when the existing machine for spraying the antirust paint on the mechanically connected workpiece is used, a box door is opened, the workpiece is clamped by a fixing clamp, the workpiece is just positioned at the right side of two groups of nozzles, the input end of a connecting pipe is connected with the output end of an external paint pumping device, the antirust paint is pumped by the external paint pumping device and is sprayed out of the two groups of nozzles, and after the paint is sprayed on one side of the workpiece, the workpiece can be overturned, and the paint is sprayed on the other side; the existing antirust paint spraying machine for mechanically connected workpieces is used for discovering that the machine needs to be stopped to turn over the workpieces, and the clamped positions of the workpieces cannot be sprayed with paint, so that the use reliability of the machine is poor; harmful gas can appear when spraying paint, and then staff harm is great this moment to lead to the practicality relatively poor.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a turnover device which can automatically turn over the workpiece without stopping operation, can spray paint on the workpiece comprehensively, and improves the use reliability; and harmful gas to the paint spraying process production adsorbs, greatly reduces the harm to the workman to strengthen the mechanical connection work piece rust-resistant paint spraying machine of practicality.

The utility model discloses a mechanical connection work piece rust-resistant paint vehicle flush coater, including box, chamber door, connecting pipe and intermediate pipe, the box is inside to be provided with the working chamber, and the central region of the lateral wall before the box is provided with the case mouth, and the case mouth communicates with the working chamber, and the chamber door left end passes through hinged joint with the left half region of the lateral wall before the box, and the central region of the lateral wall of box is provided with the connecting hole transversely, and the connecting pipe right part output end passes through the connecting hole and is connected with the intermediate pipe left part input end, and the intermediate pipe right-hand member is provided with two sets of nozzles; the box body is characterized by further comprising a first motor, a second motor, an upper sliding plate, a lower sliding plate, a limiting rod, an upper pressing plate, a lower pressing plate and a rotating shaft, wherein a rotating hole is longitudinally formed in the right half area of the top end of the box body, a rotating groove is formed in the right half area of the side wall of the inner bottom of the box body, the first motor is installed in the right half area of the top end of the box body, a first transmission shaft is arranged at the output end of the bottom of the first motor, the bottom end of the first transmission shaft penetrates through the rotating hole and is inserted into the rotating groove, a first ball bearing and a second ball bearing are respectively arranged between the first transmission shaft and the inner side wall of the rotating groove, an upper external thread and a lower external thread are respectively arranged in the upper half area and the lower half area of the outer side wall of the first transmission shaft, the rotating directions of the upper external thread and the lower external thread are opposite, the upper sliding plate and the lower sliding plate are respectively sleeved in the upper half area and the lower half area of the outer side of the first transmission shaft in a screw manner, and a sliding groove is formed in the central area of the right side wall of the box body, the right ends of the upper sliding plate and the lower sliding plate can be fixed in the sliding groove in a sliding way, the right half areas of the top ends of the upper sliding plate and the lower sliding plate are respectively provided with an upper sliding hole and a lower sliding hole, the top end of the limiting rod passes through the upper sliding hole and is connected with the central area of the top side wall in the sliding groove, the bottom end of the limiting rod passes through the lower sliding hole and is connected with the central area of the bottom side wall in the sliding groove, the right half areas of the top ends of the upper sliding plate and the lower sliding plate are respectively and longitudinally provided with an upper through hole and a lower through hole, the second motor is arranged in the left half area of the top end of the upper sliding plate, a second transmission shaft is arranged at the output end of the bottom of the second motor, the bottom end of the second transmission shaft penetrates through the upper through hole and is connected with the central area of the top end of the upper pressing plate, a third ball bearing is arranged between the second transmission shaft and the inner side wall of the upper through hole, the top end of the rotating shaft is connected with the central area of the bottom end of the lower pressing plate, the bottom end of the rotating shaft is inserted into the lower through hole, and a fourth ball bearing is arranged between the bottom end of the rotating shaft and the inner side wall of the lower through hole; still include the exhaust fan subassembly, the cover and the active carbon adsorption mechanism of induced drafting, the exhaust fan unit mount is on the top of box, the input of exhaust fan subassembly inserts to the work intracavity, the cover that induced drafts is located the work intracavity and its output communicates with the input of exhaust fan subassembly, the top at the box is installed to the active carbon adsorption mechanism, the inside of active carbon adsorption mechanism is provided with the active carbon subassembly, the input of active carbon adsorption mechanism and the output intercommunication of exhaust fan subassembly, the output of active carbon adsorption mechanism is provided with the discharge pipe, the output setting of discharge pipe is outdoor.

The utility model discloses a rust-resistant paint vehicle flush coater of mechanical connection work piece still includes stabilizer bar and lower stabilizer bar, go up the stabilizer bar and be connected with the first region of box left side wall and second region down respectively with lower stabilizer bar left end, go up the stabilizer bar and be connected with the first region of intermediate pipe left side wall and second region down respectively with lower stabilizer bar right-hand member.

The utility model discloses a rust-resistant paint vehicle flush coater of mechanical connection work piece still includes branch and installation pole, the branch top is connected with half regional on the right side of installation pole bottom, and the branch bottom is connected with half regional on the left side of upper slide plate top, and installation pole left end is connected with second motor right-hand member.

The utility model discloses a rust-resistant paint vehicle flush coater of mechanical connection work piece still includes the anchor strut, the anchor strut top is connected with first motor right-hand member, and the anchor strut bottom is connected with half regional on the right side on box top.

The utility model discloses a rust-resistant paint vehicle flush coater of mechanical connection work piece still includes four group's universal wheels, four group's universal wheel tops are connected with box bottom left front side, right front side, left rear side and right rear side respectively.

The utility model discloses a rust-resistant paint vehicle flush coater of mechanical connection work piece still includes the handle, half regional connection on the right side of lateral wall before handle rear end and the box.

The utility model discloses a rust-resistant paint vehicle flush coater of mechanical connection work piece still includes the pull ring, pull ring right-hand member and first region connection of box left side wall.

The utility model discloses a rust-resistant paint vehicle flush coater of mechanical connection work piece, top board bottom and lower clamp plate top are provided with slipmat and lower slipmat respectively.

Compared with the prior art, the beneficial effects of the utility model are that: opening the box door, vertically placing the workpiece between the upper pressing plate and the lower pressing plate, electrifying the first motor, driving the first transmission shaft to rotate by the first motor, wherein the upper half area and the lower half area of the outer side wall of the first transmission shaft are respectively provided with an upper external thread and a lower external thread, the rotation directions of the upper external thread and the lower external thread are opposite, so that when the first transmission shaft rotates, the upper sliding plate and the lower sliding plate do relative motion, the limiting rod can limit the upper sliding plate and the lower sliding plate, clamping and fixing the workpiece through the upper pressing plate and the lower pressing plate can not block the paint spraying surface of the workpiece, powering off the first motor, electrifying the second motor, the rotating speed of the second motor is slower, driving the second transmission shaft to rotate, driving the upper pressing plate, the lower pressing plate and the fixed workpiece to rotate together, at the moment, the workpiece is just positioned at the right of the two groups of nozzles, and connecting pipe input end is connected with the output end of an external paint pumping device, the anti-rust paint is pumped by an external paint pumping device and sprayed out of the two groups of nozzles to spray paint on the workpiece, so that the workpiece can be automatically turned over without stopping operation, the workpiece can be comprehensively sprayed with paint, and the use reliability is improved; at the in-process that sprays paint, start the exhaust fan subassembly with the box in waste gas pump send to the active carbon adsorption mechanism, when the air that carries waste gas passes active carbon assembly, active carbon assembly purifies waste gas and absorbs, then with the air discharge after purifying outdoor can, then greatly reduced waste gas this moment and got into the volume to the workshop, reduce the harm to the staff health to reinforcing practicality.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1;

FIG. 3 is an enlarged view of a portion B of FIG. 1;

fig. 4 is a schematic view showing the connection of the cabinet, the door, and the handle.

In the drawings, the reference numbers: 1. a box body; 2. a box door; 3. a connecting pipe; 4. an intermediate pipe; 5. a working chamber; 6. a nozzle; 7. a first motor; 8. a second motor; 9. an upper slide plate; 10. a lower slide plate; 11. a limiting rod; 12. an upper pressure plate; 13. a lower pressing plate; 14. a rotating shaft; 15. a first drive shaft; 16. a first ball bearing; 17. a second ball bearing; 18. a second drive shaft; 19. a third ball bearing; 20. a fourth ball bearing; 21. an upper stabilizer bar; 22. a lower stabilizer bar; 23. a strut; 24. mounting a rod; 25. a reinforcing rod; 26. a universal wheel; 27. a handle; 28. a pull ring; 29. an upper anti-skid pad; 30. a lower non-slip mat; 31. an exhaust fan assembly; 32. an air suction hood; 33. an activated carbon adsorption mechanism; 34. an activated carbon assembly.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1 to 4, the utility model discloses a mechanical connection work piece antirust paint spraying machine, including box 1, chamber door 2, connecting pipe 3 and intermediate pipe 4, the inside of box 1 is provided with working chamber 5, the central region of the side wall before box 1 is provided with the case mouth, the case mouth communicates with working chamber 5, the left end of chamber door 2 and the left half region of the side wall before box 1 pass through hinged joint, the central region of the side wall of box 1 transversely is provided with the connecting hole, the right part output end of connecting pipe 3 passes through the connecting hole and is connected with the left part input end of intermediate pipe 4, the right end of intermediate pipe 4 is provided with two sets of nozzles 6; the device also comprises a first motor 7, a second motor 8, an upper sliding plate 9, a lower sliding plate 10, a limiting rod 11, an upper pressing plate 12, a lower pressing plate 13 and a rotating shaft 14, wherein a rotating hole is longitudinally formed in the right half area of the top end of the box body 1, a rotating groove is formed in the right half area of the side wall of the bottom in the box body 1, the first motor 7 is installed in the right half area of the top end of the box body 1, a first transmission shaft 15 is arranged at the output end of the bottom of the first motor 7, the bottom end of the first transmission shaft 15 penetrates through the rotating hole and is inserted into the rotating groove, a first ball bearing 16 and a second ball bearing 17 are respectively arranged between the first transmission shaft 15 and the inner side wall of the rotating groove, an upper half area and a lower half area of the outer side wall of the first transmission shaft 15 are respectively provided with an upper external thread and a lower external thread, the rotating directions of the upper external thread and the lower external thread are opposite, the upper sliding plate 9 and the lower sliding plate 10 are respectively screwed and sleeved in the upper half area and the lower half area outside the first transmission shaft 15, the central area of the right side wall in the box body 1 is provided with a sliding groove, the right ends of an upper sliding plate 9 and a lower sliding plate 10 can be fixed in the sliding groove in a sliding way, the right half area of the top ends of the upper sliding plate 9 and the lower sliding plate 10 is respectively provided with an upper sliding hole and a lower sliding hole, the top end of a limiting rod 11 passes through the upper sliding hole and is connected with the central area of the top side wall in the sliding groove, the bottom end of the limiting rod 11 passes through the lower sliding hole and is connected with the central area of the bottom side wall in the sliding groove, the right half area of the top ends of the upper sliding plate 9 and the lower sliding plate 10 are respectively and longitudinally provided with an upper through hole and a lower through hole, a second motor 8 is arranged at the left half area of the top end of the upper sliding plate 9, the output end of the bottom of the second motor 8 is provided with a second transmission shaft 18, the bottom end of the second transmission shaft 18 passes through the upper through hole and is connected with the central area of the top end of the upper pressing plate 12, a third ball bearing 19 is arranged between the second transmission shaft 18 and the inner side wall of the upper through hole, and the top end of the lower pressing plate 13 is connected with the central area of the bottom end of the lower pressing plate 14, the bottom end of the rotating shaft 14 is inserted into the lower through hole, a fourth ball bearing 20 is arranged between the bottom end of the rotating shaft and the inner side wall of the lower through hole, the exhaust fan assembly 31, an air suction cover 32 and an active carbon adsorption mechanism 33 are further included, the exhaust fan assembly 31 is installed at the top end of the box body 1, the input end of the exhaust fan assembly 31 is inserted into the working cavity 5, the air suction cover 32 is located in the working cavity 5, the output end of the air suction cover is communicated with the input end of the exhaust fan assembly 31, the active carbon adsorption mechanism 33 is installed at the top end of the box body 1, an active carbon assembly 34 is arranged inside the active carbon adsorption mechanism 33, the input end of the active carbon adsorption mechanism 33 is communicated with the output end of the exhaust fan assembly 31, the output end of the active carbon adsorption mechanism 33 is provided with a discharge pipe, and the output end of the discharge pipe is arranged outdoors; opening the box door, vertically placing the workpiece between the upper pressing plate and the lower pressing plate, electrifying the first motor, driving the first transmission shaft to rotate by the first motor, wherein the upper half area and the lower half area of the outer side wall of the first transmission shaft are respectively provided with an upper external thread and a lower external thread, the rotation directions of the upper external thread and the lower external thread are opposite, so that when the first transmission shaft rotates, the upper sliding plate and the lower sliding plate do relative motion, the limiting rod can limit the upper sliding plate and the lower sliding plate, clamping and fixing the workpiece through the upper pressing plate and the lower pressing plate can not block the paint spraying surface of the workpiece, powering off the first motor, electrifying the second motor, the rotating speed of the second motor is slower, driving the second transmission shaft to rotate, driving the upper pressing plate, the lower pressing plate and the fixed workpiece to rotate together, at the moment, the workpiece is just positioned at the right of the two groups of nozzles, and connecting pipe input end is connected with the output end of an external paint pumping device, the anti-rust paint is pumped by an external paint pumping device and sprayed out of the two groups of nozzles to spray paint on the workpiece, so that the workpiece can be automatically turned over without stopping operation, the workpiece can be comprehensively sprayed with paint, and the use reliability is improved; at the in-process that sprays paint, start the exhaust fan subassembly with the box in waste gas pump send to the active carbon adsorption mechanism, when the air that carries waste gas passes active carbon assembly, active carbon assembly purifies waste gas and absorbs, then with the air discharge after purifying outdoor can, then greatly reduced waste gas this moment and got into the volume to the workshop, reduce the harm to the staff health to reinforcing practicality.

The utility model discloses a mechanical connection work piece rust-resistant paint vehicle flush coater still includes upper stabilizer bar 21 and lower stabilizer bar 22, and upper stabilizer bar 21 and lower stabilizer bar 22 left end are connected with left side wall first half region and second half region in box 1 respectively, and upper stabilizer bar 21 and lower stabilizer bar 22 right-hand member are connected with middle tube 4 left side wall first half region and second half region respectively; go up stabilizer bar and stabilizer bar down can support the intermediate tube, improve stability in use.

The utility model discloses a mechanical connection work piece rust-resistant paint vehicle flush coater, still include branch 23 and installation pole 24, the right half regional connection in branch 23 top and the installation pole 24 bottom, the branch 23 bottom is connected with the upper slide 9 top left half regional connection, the installation pole 24 left end is connected with the second motor 8 right-hand member; branch and installation pole can be fixed the second motor, improve and use the reliability.

The utility model discloses a mechanical connection work piece rust-resistant paint spraying machine, still include anchor strut 25, the top of anchor strut 25 is connected with the right-hand member of first motor 7, the bottom of anchor strut 25 is connected with the right half region on the top of box 1; the reinforcing rod can support first motor, improves stability in use.

The utility model discloses a mechanical connection work piece rust-resistant paint spraying machine, still include four groups of universal wheels 26, the top of four groups of universal wheels 26 is connected with left front side, right front side, left rear side and right rear side of box 1 bottom respectively; four groups of universal wheels can be convenient for the staff to remove the device, improve and use the flexibility.

The utility model discloses a mechanical connection work piece rust-proof paint spraying machine, which also comprises a handle 27, wherein the rear end of the handle 27 is connected with the right half area of the front side wall of the box body 1; the handle can be convenient for the opening and closing of chamber door, improves the convenience of use.

The utility model discloses a mechanical connection work piece antirust paint spraying machine, which also comprises a pull ring 28, wherein the right end of the pull ring 28 is connected with the upper half area of the left side wall of the box body 1; the staff removes the device through the pull ring, and the operation is laborsaving, improves the convenience of use.

The utility model discloses a mechanical connection work piece rust-proof paint spraying machine, the bottom end of an upper pressure plate 12 and the top end of a lower pressure plate 13 are respectively provided with an upper non-slip mat 29 and a lower non-slip mat 30; the upper anti-skid pad and the lower anti-skid pad can enhance the fixing effect on the workpiece and improve the use stability.

The utility model discloses a mechanical connection work piece rust-resistant paint spraying machine, it is at work, open the chamber door, place the work piece between top board and holding down plate immediately, switch on first motor, first motor drive first transmission shaft rotates, because first transmission shaft lateral wall first region and second region are provided with upper external screw thread and lower external screw thread respectively, upper external screw thread and lower external screw thread revolve to opposite directions, when making first transmission shaft rotate, upper sliding plate and holding down plate can carry out the relative motion, the gag lever post can carry out spacing to upper sliding plate and holding down to the work piece through upper holding down plate and holding down plate, can not block the paint spraying surface of work piece, first motor cuts off the power supply, the second motor switches on, the second motor speed is slower, the second motor drives the second transmission shaft to rotate, the second transmission shaft drives the top board, the holding down plate rotates together with the work piece that is fixed, at the moment, the workpiece is just positioned at the right side of the two groups of nozzles, the input end of the connecting pipe is connected with the output end of an external paint pumping device, the external paint pumping device pumps the antirust paint, the antirust paint is sprayed out of the two groups of nozzles to paint the workpiece, the workpiece can be automatically turned over without stopping the machine, the workpiece can be comprehensively painted, the use reliability is improved, in the paint spraying process, the exhaust fan assembly is started to pump the waste gas in the box body into the activated carbon adsorption mechanism, when the air carrying the waste gas passes through the activated carbon assembly, the activated carbon assembly purifies and absorbs the waste gas, and then the purified air is discharged out of the room, so that the amount of the waste gas entering a workshop is greatly reduced, and the harm to the bodies of workers is reduced; the upper stabilizer bar and the lower stabilizer bar can support the middle pipe, so that the use stability is improved; the supporting rod and the mounting rod can fix the second motor; the reinforcing rod can support the first motor, so that the use stability is improved; the four groups of universal wheels can facilitate the movement of the device by workers, thereby improving the use flexibility; the handle can facilitate the opening and closing of the box door, and the use convenience is improved; the worker moves the device through the pull ring, so that labor is saved in operation, and the use convenience is improved; the upper anti-skid pad and the lower anti-skid pad can enhance the fixing effect on the workpiece and improve the use stability.

The utility model discloses a first motor, second motor and four group's universal wheels that mechanical connection work piece rust-resistant paint vehicle flush coater used all purchase from the market, only need according to the description install use can.

The utility model discloses an antirust paint vehicle flush coater of mechanical connection work piece, above the mounting means, the connected mode or the mode that sets up of all parts are common mechanical system to concrete structure, model and the coefficient index of its all parts are its from taking the technique, as long as can reach all can implement of its beneficial effect, so do not add at much and give unnecessary details.

The utility model relates to a mechanical connection workpiece antirust paint spraying machine which, under the condition of not explaining the contrary, the directional terms "up, down, left, right, front, back, inside, and outside, and vertical and horizontal" included in the term merely represent the orientation of the term in the normal use state, or be a trivial term understood by those skilled in the art, and should not be considered as limiting the term, at the same time, the numerical terms "first," "second," and "third," etc. do not denote any particular quantity or order, but rather are used to distinguish one from another, furthermore, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements, but also includes other elements not expressly listed or inherent to such process, method, article, or apparatus.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (8)

1. The rust-proof paint spraying machine for the mechanically-connected workpieces comprises a box body (1), a box door (2), a connecting pipe (3) and a middle pipe (4), wherein a working cavity (5) is arranged inside the box body (1), a box opening is formed in the central area of the front side wall of the box body (1), the box opening is communicated with the working cavity (5), the left end of the box door (2) is connected with the left half area of the front side wall of the box body (1) through a hinge, a connecting hole is transversely formed in the central area of the left side wall of the box body (1), the right output end of the connecting pipe (3) penetrates through the connecting hole and is connected with the left input end of the middle pipe (4), and two groups of nozzles (6) are arranged at the right end of the middle pipe (4); the device is characterized by further comprising a first motor (7), a second motor (8), an upper sliding plate (9), a lower sliding plate (10), a limiting rod (11), an upper pressing plate (12), a lower pressing plate (13) and a rotating shaft (14), wherein a rotating hole is longitudinally formed in the right half area of the top end of the box body (1), a rotating groove is formed in the right half area of the inner bottom wall of the box body (1), the first motor (7) is installed in the right half area of the top end of the box body (1), a first transmission shaft (15) is arranged at the output end of the bottom of the first motor (7), the bottom end of the first transmission shaft (15) penetrates through the rotating hole and is inserted into the rotating groove, a first ball bearing (16) and a second ball bearing (17) are respectively arranged between the first transmission shaft (15) and the inner side wall of the rotating hole and the rotating groove, and an upper half area and a lower half area of the outer side wall of the first transmission shaft (15) are respectively provided with an upper external thread and a lower external thread, go up the external screw thread and screw thread rotation direction opposite down, go up slide (9) and lower slide (10) screw-on cover respectively and establish in first transmission shaft (15) outside first region and second region, right side wall central area is provided with the sliding tray in box (1), go up slide (9) and lower slide (10) right-hand member all can slide to be fixed in the sliding tray, go up slide (9) and lower slide (10) top right side region respectively be provided with last sliding hole and lower sliding hole, gag lever post (11) top is passed last sliding hole and is connected with sliding tray inside top side wall central area, gag lever post (11) bottom is passed down sliding hole and is connected with sliding tray inside bottom side wall central area, go up slide (9) and lower slide (10) top right side region respectively vertically be provided with last perforating hole and lower perforating hole, second motor (8) are installed in last slide (9) top left half region, a second transmission shaft (18) is arranged at the output end of the bottom of the second motor (8), the bottom end of the second transmission shaft (18) penetrates through the upper through hole and is connected with the central area of the top end of the upper pressing plate (12), a third ball bearing (19) is arranged between the second transmission shaft (18) and the inner side wall of the upper through hole, the top end of the rotating shaft (14) is connected with the central area of the bottom end of the lower pressing plate (13), and the bottom end of the rotating shaft (14) is inserted into the lower through hole and is provided with a fourth ball bearing (20) between the bottom end of the rotating shaft (14) and the inner side wall of the lower through hole; still include exhaust fan subassembly (31), induced draft cover (32) and active carbon adsorption mechanism (33), the top in box (1) is installed in exhaust fan subassembly (31), the input of exhaust fan subassembly (31) inserts in working chamber (5), induced draft cover (32) are located working chamber (5) and its output communicates with the input of exhaust fan subassembly (31), the top in box (1) is installed in active carbon adsorption mechanism (33), the inside of active carbon adsorption mechanism (33) is provided with active carbon assembly (34), the input of active carbon adsorption mechanism (33) communicates with the output of exhaust fan subassembly (31), the output of active carbon adsorption mechanism (33) is provided with the discharge pipe, the output setting of discharge pipe is outdoor.

2. The paint sprayer for rust-preventive paint on mechanically-connected workpieces as recited in claim 1, further comprising upper stabilizer bars (21) and lower stabilizer bars (22), wherein left ends of the upper stabilizer bars (21) and the lower stabilizer bars (22) are connected to upper half areas and lower half areas of left side walls in the box body (1), respectively, and right ends of the upper stabilizer bars (21) and the lower stabilizer bars (22) are connected to upper half areas and lower half areas of left side walls of the intermediate pipe (4), respectively.

3. The paint sprayer for rust inhibitive paint of mechanically joined workpieces according to claim 2, further comprising a supporting rod (23) and a mounting rod (24), wherein the top end of the supporting rod (23) is connected to the right half area of the bottom end of the mounting rod (24), the bottom end of the supporting rod (23) is connected to the left half area of the top end of the upper slide plate (9), and the left end of the mounting rod (24) is connected to the right end of the second motor (8).

4. The paint sprayer for rust inhibitive painting of mechanically joined workpieces according to claim 3, further comprising a reinforcing rod (25), wherein the top end of said reinforcing rod (25) is connected to the right end of said first motor (7), and the bottom end of said reinforcing rod (25) is connected to the right half area of the top end of said case (1).

5. The paint sprayer for rust prevention of mechanically-connected workpieces as recited in claim 4, further comprising four sets of universal wheels (26), wherein the top ends of said four sets of universal wheels (26) are respectively connected with the left front side, the right front side, the left rear side and the right rear side of the bottom end of the case (1).

6. The paint sprayer for rust-preventive paint on mechanically-connected workpieces as claimed in claim 5, characterized by further comprising a handle (27), wherein the rear end of the handle (27) is connected with the right half area of the front side wall of the case (1).

7. The paint sprayer for rust-preventive materials for mechanically joined workpieces according to claim 6, further comprising a pull ring (28), wherein the right end of the pull ring (28) is connected to the upper half area of the left side wall of the case (1).

8. The paint sprayer for rust prevention of mechanically joined workpieces as recited in claim 7, characterized in that the bottom end of the upper platen (12) and the top end of the lower platen (13) are provided with an upper anti-skid pad (29) and a lower anti-skid pad (30), respectively.

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