阅读说明：本技术 一种钢板表面喷涂装置及其使用方法 (Steel plate surface spraying device and using method thereof ) 是由 杨海斌 于 2021-08-02 设计创作，主要内容包括：本发明公开了一种钢板表面喷涂装置及其使用方法,包括底座,所述底座两侧均固定连接有一个限位架,所述底座上端且位于限位架之间滑动连接有一个加工台,所述限位架上端设置有一个喷涂机构,所述底座上端四角均固定连接有一个限位杆,所述加工台上且与限位杆相对应位置均开设有一个限位孔,所述限位杆均穿过限位孔且均与加工台滑动连接,本发明所达到的有益效果是：通过升降机构的驱动转轴转动,可以带动升降板转动,并且通过螺纹套的传动,使升降板在转动的同时位于升降槽内滑动,最终带动升降杆推动加工台升降,不仅可以有效的调整钢板表面与喷头之间的距离,防止喷射的涂料飞溅,而且可以方便将钢板放置到加工台上。(The invention discloses a steel plate surface spraying device and a using method thereof, the steel plate surface spraying device comprises a base, two sides of the base are fixedly connected with a limiting frame, the upper end of the base and the position between the limiting frames are connected with a processing table in a sliding manner, the upper end of the limiting frame is provided with a spraying mechanism, four corners of the upper end of the base are fixedly connected with a limiting rod, a limiting hole is formed in the processing table and corresponds to the limiting rod, the limiting rod penetrates through the limiting hole and is connected with the processing table in a sliding manner, and the steel plate surface spraying device has the advantages that: the driving rotating shaft through the lifting mechanism rotates to drive the lifting plate to rotate, the lifting plate is positioned in the lifting groove to slide when rotating through transmission of the threaded sleeve, the lifting rod is finally driven to push the machining table to lift, the distance between the surface of the steel plate and the spray head can be effectively adjusted, sprayed coating is prevented from splashing, and the steel plate can be conveniently placed on the machining table.)

1. A steel plate surface spraying device comprises a base (1) and is characterized in that two sides of the base (1) are fixedly connected with a limiting frame (2), a processing table (3) is slidably connected between the limiting frames (2) at the upper end of the base (1), a spraying mechanism (6) is arranged at the upper end of each limiting frame (2), limiting rods (4) are fixedly connected with four corners of the upper end of the base (1), limiting holes (5) are formed in the processing table (3) and correspond to the limiting rods (4), the limiting rods (4) penetrate through the limiting holes (5) and are slidably connected with the processing table (3), supporting frames (10) are fixedly connected with four corners of the lower end of the base (1), a lifting mechanism (7) is arranged in the base (1), a linkage mechanism (9) is arranged in the processing table (3), and a positioning mechanism (8) is arranged on the periphery of the upper end of the processing table (3).

2. The steel plate surface spraying device and the use method thereof as claimed in claim 1, wherein the spraying mechanism (6) comprises slide rails (61), the slide rails (61) are respectively fixedly connected to two sides of the upper end of the limiting frame (2), the lower ends of the slide rails (61) are fixedly connected with the upper end of the limiting rod (4), a slide block (62) is slidably connected in each slide rail (61), a slide rod (63) is fixedly connected between the slide blocks (62), a mounting seat (64) is slidably connected on each slide rod (63), and a spray head (65) is fixedly connected at the lower end of each mounting seat (64).

3. The steel plate surface spraying device and the use method thereof as claimed in claim 1, wherein the lifting mechanism (7) comprises a lifting slot (71), the lifting slot (71) is arranged in the base (1), a lifting plate (73) is rotatably connected in the lifting slot (71), a threaded sleeve (74) is fixedly connected to the side wall of the lifting slot (71), the outer side of the lifting plate (73) is in threaded connection with the threaded sleeve (74), a driving rotating shaft (72) is rotatably connected in the center of the lifting slot (71), the driving rotating shaft (72) penetrates through the lifting plate (73) and is in sliding connection with the lifting plate (73), a servo motor (78) is fixedly connected at the lower end of the base (1) and in a position corresponding to the driving rotating shaft (72), and the output end of the servo motor (78) is fixedly connected to the lower end of the driving rotating shaft (72), the drive pivot (72) the even fixedly connected with in outside a set of limit piece (79), in lifter plate (73) and all seted up a limit groove (710) with limit piece (79) corresponding position, the equal sliding connection of limit piece (79) is in limit groove (710).

4. The steel plate surface spraying device and the use method thereof as claimed in claim 3, wherein a set of lifting rods (77) are evenly and slidably connected to the side wall of the upper end of the lifting groove (71), the upper ends of the lifting rods (77) penetrate through the lifting groove (71) and are fixedly connected to the lower end of the processing table (3), the lower ends of the lifting rods (77) are fixedly connected with a bottom plate (76), a rotating groove (75) is formed in the upper end of the lifting plate (73) and corresponds to the bottom plate (76), and the bottom plate (76) is slidably connected in the rotating groove (75).

5. The steel plate surface spraying device and the using method thereof as claimed in claim 1, wherein the positioning mechanism (8) comprises a first positioning plate (81) and a second positioning plate (86), the first positioning plate (81) and the second positioning plate (86) are both connected to the outer side of the upper end of the processing table (3) in a sliding manner and are distributed symmetrically, one end of the first positioning plate (81) close to the one end of the second positioning plate (86) is connected with a connecting rotating rod (87) in a rotating manner, a positioning groove (82) is arranged on the processing table (3) corresponding to the first positioning plate (81), the lower end of the first positioning plate (81) is connected in the positioning groove (82) in a sliding manner, a containing groove (83) is arranged in the middle position of the upper end of the first positioning plate (81), and a containing plate (84) is connected in the containing groove (83) in a sliding manner, accomodate board (84) upper end and pass and accomodate groove (83) and constant head tank (82) and align with first constant head tank (81) upper end, accomodate board (84) upper end and be the inclined plane structure, accomodate board (84) lower extreme and accomodate a set of connecting spring (85) of fixedly connected with between groove (83) bottom.

6. The steel plate surface spraying device and the use method thereof as claimed in claim 1, wherein the linkage mechanism (9) comprises a linkage groove (91) and a linkage rack (92), the linkage groove (91) is arranged in the processing table (3) and corresponds to the position of the limiting rod (4), the linkage rack (92) is fixedly connected to one side of the limiting rod (4) close to the linkage groove (91), one end of the linkage groove (91) close to the limiting rod (4) is rotatably connected with a linkage rotating shaft (93), the middle position of the linkage rotating shaft (93) is fixedly connected with a driving bevel gear (95), two sides of the linkage rotating shaft (93) are fixedly connected with a linkage gear (94), the linkage gear (94) is engaged with the linkage rack (92), the linkage groove (91) is rotatably connected with a threaded rod (97), the threaded rod (97) is connected with a linkage sliding plate (910) in a threaded mode, and the linkage sliding plate (910) is close to one end and is fixedly connected with the lower end of a first positioning plate (81) of the positioning mechanism (8).

7. The steel plate surface spraying device and the use method thereof as claimed in claim 6, wherein one end of the linkage groove (91) close to the driving bevel gear (95) is fixedly connected with a supporting plate (96), one end of the threaded rod (97) penetrating through the supporting plate (96) is fixedly connected with a driven bevel gear (98), the driven bevel gear (98) is meshed with the driving bevel gear (95), and the joint of the threaded rod (97) and the supporting plate (96) is fixedly connected with a fixed bearing (99).

8. The use method of the steel plate surface spraying device according to the claims 1-7, comprising the following steps:

the first step is as follows: firstly, connecting the whole device with an external power supply, then placing a steel plate on the upper end of a processing table (3), pushing the steel plate, enabling the lower end of the steel plate to extrude the upper end of a containing plate (84), and enabling the containing plate (84) to slide towards a containing groove (83), so that the steel plate can be horizontally pushed between a second positioning plate (86) and a first positioning plate (81) without lifting the steel plate;

the second step is that: the servo motor (78) is started, the output end of the servo motor (78) drives the driving rotating shaft (72) to rotate, the lifting plate (73) can be driven to synchronously rotate through the limit of the edge block (79), the lifting plate (73) can slide towards the upper end of the lifting groove (71) while being positioned in the lifting groove (71) to rotate through the limit of the threaded sleeve (74), so that the lifting rod (77) can be pushed to slide upwards in the lifting groove (71), and finally the upper end of the lifting rod (77) pushes the processing table (3) and the steel plate to slide upwards, so that the adjustment of the distance between the steel plate and the spray head (65) is realized;

the third step: the processing table (3) can be driven to slide on the limiting rod (4) while sliding upwards, thereby driving the linkage rotating shaft (93) to rotate through the transmission of the linkage rack (92) and the linkage gear (94), and the driving bevel gear (95) can synchronously rotate, and simultaneously, through the transmission of the driven bevel gear (98), the threaded rod (97) can be synchronously rotated, and finally the linkage sliding plate (910) is positioned in the linkage groove (91) to slide, thereby the lower ends of the first positioning plates (81) are positioned in the positioning grooves (82) to slide synchronously, the upper ends of the two first positioning plates (81) are positioned at the upper ends of the processing tables (3) to slide towards one side, through the transmission of the connecting rotating rod (87), the two second positioning plates (86) can slide towards one side, and finally the steel plate can be pushed to be positioned at the upper end of the processing table (3) and slide to the central position of the processing table (3);

the fourth step: when shower nozzle (65) sprayed paint, lie in slide bar (63) upper end through mount pad (64) and slide, can carry out the spraying to panel horizontal position direction to lie in slide rail (61) through slider (62) and slide, can drive shower nozzle (65) fore-and-aft direction and slide, can accomplish the holistic spraying to steel sheet surface finally.

Technical Field

The invention relates to a spraying device, in particular to a steel plate surface spraying device and a using method thereof, and belongs to the technical field of spraying devices.

Background

The steel sheet spraying is a device that carries out coating and sprays paint to the steel sheet surface, not only can make the steel sheet more pleasing to the eye, can prevent moreover that the steel sheet surface is direct to corrode fast with the air contact causes, and its work is kept away from and is passed through the shower nozzle blowout of steel sheet upper end with coating through the air pump to drive the shower nozzle through slide rail and slide bar and slide, thereby evenly spray paint to the steel sheet surface.

However, in the actual operation process, because the steel sheet thickness of different models is all different, liquid coating when spraying the steel sheet surface, can be because the too big condition of splashing that produces of distance between shower nozzle and the steel sheet, thereby can lead to the steel sheet surface spraying inhomogeneous, the distance is too near between processing platform and shower nozzle simultaneously, and when carrying out the steel sheet and packing, the steel sheet striking can often appear and hits the head, thereby lead to the shower nozzle to damage, simultaneously can be accurate spray the coating to the steel sheet for the shower nozzle removes, place the steel sheet on the processing platform after, need manual moving steel sheet, and move the steel sheet to processing platform upper end central point, manual location, the required time is longer, thereby the machining efficiency of spraying device has been reduced.

Disclosure of Invention

The invention provides a steel plate surface spraying device which effectively solves the problems in the prior art.

In order to solve the technical problems, the invention provides the following technical scheme:

the invention relates to a steel plate surface spraying device which comprises a base, wherein two sides of the base are fixedly connected with a limiting frame, a machining table is connected to the upper end of the base and positioned between the limiting frames in a sliding mode, a spraying mechanism is arranged at the upper end of the limiting frame, four corners of the upper end of the base are fixedly connected with limiting rods, limiting holes are formed in the machining table and correspond to the limiting rods, the limiting rods penetrate through the limiting holes and are connected with the machining table in a sliding mode, four corners of the lower end of the base are fixedly connected with a supporting frame, a lifting mechanism is arranged in the base, a linkage mechanism is arranged in the machining table, and a positioning mechanism is arranged on the periphery of the upper end of the machining table.

According to a preferable technical scheme, the spraying mechanism comprises slide rails, the slide rails are respectively and fixedly connected to two sides of the upper end of the limiting frame, the lower ends of the slide rails are fixedly connected with the upper end of the limiting rod, slide blocks are connected in the slide rails in a sliding mode, a slide rod is fixedly connected between the slide blocks, an installation seat is connected on the slide rod in a sliding mode, and a spray head is fixedly connected to the lower end of the installation seat.

As a preferred technical scheme of the present invention, the lifting mechanism includes a lifting groove, the lifting groove is formed in a base, a lifting plate is rotatably connected in the lifting groove, a threaded sleeve is fixedly connected to a side wall of the lifting groove, an outer side of the lifting plate is in threaded connection with the threaded sleeve, a driving rotating shaft is rotatably connected to a central position of the lifting groove, the driving rotating shaft penetrates through the lifting plate and is slidably connected with the lifting plate, a servo motor is fixedly connected to a position at a lower end of the base corresponding to the driving rotating shaft, an output end of the servo motor is fixedly connected to a lower end of the driving rotating shaft, a set of edge blocks is uniformly and fixedly connected to an outer side of the driving rotating shaft, an edge groove is formed in the lifting plate and corresponding to the edge blocks, and the edge blocks are slidably connected in the edge grooves.

As a preferred technical scheme, the side wall of the upper end of the lifting groove is evenly connected with a group of lifting rods in a sliding mode, the upper ends of the lifting rods penetrate through the lifting groove and are fixedly connected to the lower end of the machining table, the lower ends of the lifting rods are fixedly connected with a bottom plate, a rotating groove is formed in the position, corresponding to the bottom plate, of the upper end of the lifting plate, and the bottom plate is connected in the rotating groove in a sliding mode.

As a preferable technical scheme of the invention, the positioning mechanism comprises a first positioning plate and a second positioning plate, the first positioning plate and the second positioning plate are both connected to the outer side of the upper end of the processing table in a sliding way and are both distributed symmetrically, one end of the first positioning plate and one end of the second positioning plate close to each other are both rotatably connected with a connecting rotating rod, a positioning groove is arranged on the processing table and corresponds to the first positioning plate, the lower end of the first positioning plate is connected in the positioning groove in a sliding way, the middle position of the upper end of the first positioning plate is provided with a containing groove, the containing grooves are connected with a containing plate in a sliding way, the storage plate upper end passes and accomodates groove and constant head tank and aligns with first constant head tank upper end, the storage plate upper end is the inclined plane structure, a set of connecting spring of fixedly connected with between storage plate lower extreme and the storage tank bottom.

As a preferred technical scheme, the linkage mechanism comprises linkage grooves and linkage racks, the linkage grooves are all formed in the machining table and correspond to the limiting rod in position, the linkage racks are all fixedly connected to one side, close to the linkage grooves, of the limiting rod, one end, close to the limiting rod, of the linkage grooves is rotatably connected with a linkage rotating shaft, the middle of the linkage rotating shaft is fixedly connected with a driving bevel gear, two sides of the linkage rotating shaft are fixedly connected with a linkage gear, the linkage gears are all meshed with the linkage racks and connected with a threaded rod, the threaded rod is all rotatably connected with a linkage sliding plate in threaded connection, and one end, close to the linkage sliding plate, of the linkage sliding plate is fixedly connected with the lower end of the first positioning plate of the positioning mechanism.

As a preferred technical scheme of the invention, one end of the linkage groove, which is close to the driving bevel gear, is fixedly connected with a supporting plate, one end of the threaded rod, which penetrates through the supporting plate, is fixedly connected with a driven bevel gear, the driven bevel gear and the driving bevel gear are in meshed connection, and the joint of the threaded rod and the supporting plate is fixedly connected with a fixed bearing.

The application method of the steel plate surface spraying device comprises the following steps:

the first step is as follows: firstly, connecting the whole device with an external power supply, then placing a steel plate on the upper end of a processing table, pushing the steel plate to enable the lower end of the steel plate to extrude the upper end of the containing plate and enable the containing plate to slide into the containing groove, and therefore the steel plate can be horizontally pushed between the second positioning plate and the first positioning plate without being lifted up;

the second step is that: the servo motor is started, the output end of the servo motor drives the driving rotating shaft to rotate, the lifting plate can be driven to synchronously rotate through the limit of the edge block, the lifting plate can slide to the upper end of the lifting groove while being positioned in the lifting groove to rotate through the limit of the threaded sleeve, so that the lifting rod can be pushed to slide upwards in the lifting groove, and finally the upper end of the lifting rod pushes the processing table and the steel plate to slide upwards, so that the distance between the steel plate and the spray head can be adjusted;

the third step: the processing table can be driven to slide on the limiting rod while sliding upwards, so that the linkage rotating shaft is driven to rotate through the transmission of the linkage rack and the linkage gear, the driving bevel gear can synchronously rotate, the threaded rod can synchronously rotate through the transmission of the driven bevel gear, and finally the linkage sliding plate is positioned in the linkage groove to slide, so that the lower end of the first positioning plate is positioned in the positioning groove to synchronously slide, the upper ends of the two first positioning plates are positioned at the upper ends of the processing table and slide towards one side, and the two second positioning plates can slide towards one side through the transmission of the connection rotating rod, and finally the steel plate can be pushed to slide to the central position of the processing table from the upper end of the processing table;

the fourth step: when the spray head sprays paint, the installation seat slides on the upper end of the sliding rod, so that the plate can be sprayed in the horizontal position direction, the sliding block slides in the sliding rail, the spray head can be driven to slide in the front-back direction, and the whole spraying on the surface of the steel plate can be finally completed.

The invention has the following beneficial effects:

1. the driving rotating shaft through the lifting mechanism rotates to drive the lifting plate to rotate, the lifting plate is positioned in the lifting groove to slide when rotating through transmission of the threaded sleeve, the lifting rod is finally driven to push the machining table to lift, the distance between the surface of the steel plate and the spray head can be effectively adjusted, sprayed coating is prevented from splashing, and the steel plate can be conveniently placed on the machining table.

2. When the lifting mechanism drives the machining table to lift, the threaded rod is rotated through the transmission of the driving bevel gear and the driven bevel gear of the linkage mechanism, the first positioning plate finally driving the positioning mechanism is located in the positioning groove to slide, the second positioning plate can synchronously slide through the transmission of the connecting rotating rod, and finally the steel plate can be moved to the central position of the upper end of the machining table, so that the troublesome operation of manually adjusting the position of the steel plate is avoided, and the problem of deviation in steel plate spraying is avoided.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a front sectional view of the present invention;

FIG. 2 is an enlarged schematic view of the invention at A in FIG. 1;

FIG. 3 is a schematic side view of the present invention;

FIG. 4 is a schematic top view of the processing table of the present invention;

FIG. 5 is a sectional view of the first positioning plate and the receiving plate of the present invention;

fig. 6 is a sectional view of the base of the present invention.

In the figure: 1. a base; 2. a limiting frame; 3. a processing table; 4. a limiting rod; 5. a limiting hole; 6. a spraying mechanism; 61. a slide rail; 62. a slider; 63. a slide bar; 64. a mounting seat; 65. a spray head; 7. a lifting mechanism; 71. a lifting groove; 72. driving the rotating shaft; 73. a lifting plate; 74. a threaded sleeve; 75. a rotating groove; 76. a base plate; 77. a lifting rod; 78. a servo motor; 79. an edge block; 710. a side groove; 8. a positioning mechanism; 81. a first positioning plate; 82. positioning a groove; 83. a receiving groove; 84. a storage plate; 85. a connecting spring; 86. a second positioning plate; 87. connecting the rotating rod; 9. a linkage mechanism; 91. a linkage groove; 92. a linkage rack; 93. a linkage rotating shaft; 94. a linkage gear; 95. a driving bevel gear; 96. a support plate; 97. a threaded rod; 98. a driven bevel gear; 99. fixing the bearing; 910. a linkage sliding plate; 10. a support frame.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): as shown in fig. 1-6, the steel plate surface spraying device of the present invention comprises a base 1, wherein two sides of the base 1 are fixedly connected with a limiting frame 2, a processing table 3 is slidably connected between the limiting frames 2 and at the upper end of the base 1, a spraying mechanism 6 is arranged at the upper end of the limiting frame 2, limiting rods 4 are fixedly connected at four corners of the upper end of the base 1, limiting holes 5 are formed in the processing table 3 corresponding to the limiting rods 4, the limiting rods 4 penetrate the limiting holes 5 and are slidably connected with the processing table 3, a supporting frame 10 is fixedly connected at four corners of the lower end of the base 1, a lifting mechanism 7 is arranged in the base 1, a linkage mechanism 9 is arranged in the processing table 3, and a positioning mechanism 8 is arranged at the periphery of the upper end of the processing table 3.

Wherein, spraying mechanism 6 includes slide rail 61, slide rail 61 fixed connection is in 2 upper ends both sides of spacing respectively, slide rail 61 lower extreme and 4 upper ends fixed connection of gag lever post, equal sliding connection has a slider 62 in slide rail 61, slide bar 63 of fixedly connected with between the slider 62, sliding connection has a mount pad 64 on the slide bar 63, shower nozzle 65 of mount pad 64 lower extreme fixedly connected with when shower nozzle 65 sprays coating, lies in slide bar 63 upper end through mount pad 64 and slides, can carry out the spraying to panel horizontal position direction to lie in slide rail 61 through slider 62 and slide, can drive shower nozzle 65 fore-and-aft direction and slide, finally can accomplish the holistic spraying in steel sheet surface.

Wherein, the lifting mechanism 7 comprises a lifting groove 71, the lifting groove 71 is arranged in the base 1, a lifting plate 73 is rotationally connected in the lifting groove 71, a thread bushing 74 is fixedly connected on the side wall of the lifting groove 71, the outer side of the lifting plate 73 is in threaded connection with the thread bushing 74, a driving rotating shaft 72 is rotationally connected at the central position of the lifting groove 71, the driving rotating shaft 72 passes through the lifting plate 73 and is in sliding connection with the lifting plate 73, a servo motor 78 is fixedly connected at the lower end of the base 1 and at the position corresponding to the driving rotating shaft 72, the output end of the servo motor 78 is fixedly connected at the lower end of the driving rotating shaft 72, a group of edge blocks 79 are uniformly and fixedly connected at the outer side of the driving rotating shaft 72, an edge groove 710 is arranged in the lifting plate 73 and at the position corresponding to the edge blocks 79, the edge blocks 79 are all slidably connected in the edge grooves 710, and a group of lifting rods 77 is uniformly and slidably connected on the side wall of the upper end of the lifting groove 71, the utility model discloses a processing platform, including lifter 77, lifter 73, bottom plate 76, servo motor 78 output, servo motor 78, elevating plate 73, threaded sleeve 74, lifting plate 71, lifting plate 77, lifting plate 71, lifting plate and nozzle 65.

Wherein, the positioning mechanism 8 comprises a first positioning plate 81 and a second positioning plate 86, the first positioning plate 81 and the second positioning plate 86 are both connected to the outer side of the upper end of the processing table 3 in a sliding manner and are symmetrically distributed, one end of the first positioning plate 81, which is close to one end of the second positioning plate 86, is rotatably connected with a connecting rotating rod 87, the processing table 3 is provided with a positioning groove 82 at a position corresponding to the first positioning plate 81, the lower end of the first positioning plate 81 is connected in the positioning groove 82 in a sliding manner, the middle position of the upper end of the first positioning plate 81 is provided with a containing groove 83, the containing groove 83 is internally connected with a containing plate 84 in a sliding manner, the upper end of the containing plate 84 passes through the containing groove 83 and the positioning groove 82 and is aligned with the upper end of the first positioning plate 81, the upper end of the containing plate 84 is of an inclined plane structure, and a group of connecting springs 85 are fixedly connected between the lower end of the containing plate 84 and the bottom of the containing groove 83, the lower ends of the first positioning plates 81 are positioned in the positioning grooves 82 and slide synchronously, so that the upper ends of the two first positioning plates 81 positioned at the upper end of the processing table 3 slide to one side close to each other, and the two second positioning plates 86 can slide to one side close to each other through the transmission of the connecting rotating rod 87, and finally, the steel plate can be pushed to be positioned at the upper end of the processing table 3 and slide to the center of the processing table 3.

Wherein, the linkage mechanism 9 comprises a linkage groove 91 and a linkage rack 92, the linkage groove 91 is arranged in the processing table 3 and corresponds to the position of the limiting rod 4, the linkage rack 92 is fixedly connected to one side of the limiting rod 4 close to the linkage groove 91, one end of the linkage groove 91 close to the limiting rod 4 is rotatably connected with a linkage rotating shaft 93, the middle position of the linkage rotating shaft 93 is fixedly connected with a driving bevel gear 95, two sides of the linkage rotating shaft 93 are fixedly connected with a linkage gear 94, the linkage gear 94 is engaged with the linkage rack 92, the linkage groove 91 is rotatably connected with a threaded rod 97, the threaded rod 97 is connected with a linkage sliding plate 910 by screw thread, one end of the linkage sliding plate 910 close to the linkage sliding plate 910 is fixedly connected with the lower end of the first positioning plate 81 of the positioning mechanism 8, one end of the linkage groove 91 close to the driving bevel gear 95 is fixedly connected with a supporting plate 96, one end of the threaded rod 97 penetrating through the support plate 96 is fixedly connected with a driven bevel gear 98, the driven bevel gear 98 is meshed with a driving bevel gear 95, the joint of the threaded rod 97 and the support plate 96 is fixedly connected with a fixed bearing 99, the linkage rotating shaft 93 is driven to rotate through the transmission of the linkage rack 92 and the linkage gear 94, the driving bevel gear 95 can synchronously rotate, the threaded rod 97 can synchronously rotate through the transmission of the driven bevel gear 98, and finally the linkage sliding plate 910 is positioned in the linkage groove 91 to slide, so that the lower end of the first positioning plate 81 is positioned in the positioning groove 82 to synchronously slide.

The application method of the steel plate surface spraying device comprises the following steps:

the first step is as follows: firstly, connecting the whole device with an external power supply, then placing a steel plate on the upper end of the processing table 3, pushing the steel plate to enable the lower end of the steel plate to extrude the upper end of the containing plate 84, and enabling the containing plate 84 to slide into the containing groove 83, so that the steel plate can be horizontally pushed between the second positioning plate 86 and the first positioning plate 81 without lifting the steel plate;

the second step is that: the servo motor 78 is started, the output end of the servo motor 78 drives the driving rotating shaft 72 to rotate, the lifting plate 73 can be driven to synchronously rotate through the limit of the edge block 79, the lifting plate 73 can slide towards the upper end of the lifting groove 71 while being positioned in the lifting groove 71 to rotate through the limit of the threaded sleeve 74, so that the lifting rod 77 can be pushed to slide upwards in the lifting groove 71, and finally the upper end of the lifting rod 77 pushes the processing table 3 and the steel plate to slide upwards, so that the distance between the steel plate and the spray head 65 can be adjusted;

the third step: when the processing table 3 slides upwards, the processing table 3 can be driven to slide on the limiting rod 4, so that the linkage rotating shaft 93 is driven to rotate through the transmission of the linkage rack 92 and the linkage gear 94, the driving bevel gear 95 can synchronously rotate, meanwhile, the threaded rod 97 can synchronously rotate through the transmission of the driven bevel gear 98, and finally, the linkage sliding plate 910 is positioned in the linkage groove 91 to slide, so that the lower end of the first positioning plate 81 is positioned in the positioning groove 82 to synchronously slide, the upper ends of the two first positioning plates 81 are positioned at the upper end of the processing table 3 to slide towards one side, and through the transmission of the connecting rotating rod 87, the two second positioning plates 86 can slide towards one side, and finally, the steel plate can be pushed to slide to the central position of the processing table 3 at the upper end of the processing table 3;

the fourth step: when the spray head 65 sprays paint, the upper end of the sliding rod 63 is positioned through the mounting seat 64 to slide, the horizontal position direction of the plate can be sprayed, the sliding block 62 is positioned in the sliding rail 61 to slide, the spray head 65 can be driven to slide in the front-back direction, and finally the whole spraying on the surface of the steel plate can be finished.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.