CN112676068A

CN112676068A - Suspension type spraying device for machining

Info

Publication number: CN112676068A
Application number: CN202011514801.1A
Authority: CN
Inventors: 沈少华; 张伟伟; 杨小清
Original assignee: Hangzhou Kejing Electrical Equipment Development Co ltd
Current assignee: Hangzhou Kejing Electrical Equipment Development Co ltd
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2021-04-20

Abstract

The invention discloses a suspended spraying device for machining, which comprises a first rotary transmission structure and a second rotary transmission structure, wherein the sizes of the first rotary transmission structure and the second rotary transmission structure are the same. This a suspension type spraying device for machining, through rotatory transmission structure one, the bottom plate, the drive structure, the slide, the passageway, the gyro wheel, the spraying structure, rotatory transmission structure two, the storage frame, the connecting rod, the chain, the pendant, the work piece, a pedestal, the welded tube, toothed disc one, the vertical axis, toothed disc two, the sprocket, the circumference shape rotation that the work piece was realized to cooperation use of top cap and bent cap, because the setting of two sets of spraying structures, make the work piece when the circumference shape is rotatory, can pass through between two sets of spraying structures, can realize a rotation of pendant, can twice spraying operation, when guaranteeing that the work piece can all-round even spraying, also can improve the work efficiency of device, also its structure is optimized more, the design is more reasonable.

Description

Suspension type spraying device for machining

Technical Field

The invention relates to the field of machining, in particular to a suspension type spraying device for machining.

Background

Machining refers to a process of changing the physical dimensions or properties of a workpiece by a mechanical device. The difference in the machining method can be divided into cutting machining and pressing machining. The spray coating is applied to the surface of the object to be coated by dispersing into uniform and fine droplets by means of a spray gun or a disc atomizer by means of pressure or centrifugal force. Can be divided into air spraying, airless spraying, electrostatic spraying and various derivative modes of the basic spraying form, such as large-flow low-pressure atomized spraying, thermal spraying, automatic spraying, multi-group spraying and the like

However, traditional suspension type spraying device for machining in the market at present, when it was using, can only carry out single spraying to with the work piece, carry out secondary spraying when needs to the work piece, when guaranteeing that the work piece can all-round even spraying, need the rotatory two rings of work piece just can realize, can lead to the staff to distinguish that which spouts once, which spouts twice, and its structure is optimized inadequately, the design is reasonable inadequately.

Disclosure of Invention

The invention aims to provide a suspension type spraying device for machining, which solves the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a suspension type spraying device for machining comprises a first rotary transmission structure and a second rotary transmission structure, wherein the sizes of the first rotary transmission structure and the second rotary transmission structure are the same, two sliding seats are fixedly arranged between the first rotary transmission structure and the second rotary transmission structure, a channel is formed between opposite surfaces of the two sliding seats, a roller is connected between the two sliding seats in a sliding manner, a connecting rod is fixedly arranged at the bottom of the roller, a hanging piece is arranged on the connecting rod, a workpiece is arranged on the hanging piece, a bottom plate is fixedly arranged on one side of the first rotary transmission structure, a driving structure is fixedly arranged at the top of the bottom plate and is in transmission connection with the first rotary transmission structure, two groups of spraying structures are arranged between the first rotary transmission structure and the second rotary transmission structure, and the number of each group of spraying structures is two, the spraying structure comprises a spraying structure body and a rotating transmission structure body, wherein the spraying structure body is arranged on the spraying structure body, the rotating transmission structure body comprises a base, four welding pipes are welded on the rotating transmission structure body, a cover frame is fixedly arranged at the top of each welding pipe, a top cover is fixedly arranged at the top of the cover frame, a vertical shaft is rotatably arranged on the base and the opposite face of the top cover, a first gear disc is sleeved on the lower portion of the outer surface of the vertical shaft, a chain wheel is sleeved on the upper portion of the outer surface of the vertical shaft, a second gear disc is sleeved on the outer surface of the vertical shaft and located between the first gear disc and the chain wheel, and a chain matched with the chain wheel is in transmission connection between the chain wheel on the first. And the four corners of the bottom of the movable plate are respectively provided with a first H-shaped wheel in a rotating way, and the first H-shaped wheel is connected with the first rack and the first barrier strip in a sliding way. And the four corners of one surface of the L-shaped plate, which is close to the vertical frame, are rotatably provided with I-shaped wheels II, and the I-shaped wheels II are in sliding connection with the rack II and the barrier strip II.

As a still further scheme of the invention: the utility model discloses a gear wheel, including drive structure, casing, bearing frame, gear disc, gear wheel, the drive is connected with the drive chain of looks adaptation together between big sprocket and the small sprocket.

As a still further scheme of the invention: the spraying structure includes the crossbearer, the both sides at crossbearer top respectively fixed mounting have rack one and blend stop one, the top sliding connection of crossbearer has fly leaf one, one side fixed mounting at fly leaf one top has driving motor one, driving end fixed mounting of driving motor one has the drive gear one with a rack looks adaptation, and drive gear one meshes with rack one mutually, the opposite side fixed mounting at fly leaf one top has vertical displacement mechanism, vertical displacement mechanism's lift end fixed mounting has vertical board, alternate on the vertical board and install a plurality of spray guns.

As a still further scheme of the invention: the vertical displacement mechanism comprises a vertical frame, two sides of one surface of the vertical frame are respectively and fixedly provided with a second rack and a second blocking strip, one surface of the vertical frame is connected with an L-shaped plate in a sliding mode, a second driving motor is fixedly arranged at the driving end of the L-shaped plate, a second driving gear matched with the second rack is fixedly arranged at the driving end of the second driving motor, and the second driving gear is meshed with the second rack.

As a still further scheme of the invention: the bottom of the connecting rod is provided with a threaded hole, the top of the pendant is fixedly provided with a screw rod matched with the screw rod, and the screw rod is in threaded connection with the threaded hole.

The invention also provides a using method of the suspension type spraying device for machining, and the spraying steps are as follows:

s1: fixing the pendant and the connecting rod together in a threaded manner, and then hanging the workpiece on the pendant and the connecting rod;

s2: the rotation of the driving motor III drives the cross shaft to rotate through a transmission structure, the main teeth of the disc angle teeth rotate along with the cross shaft, and the vertical shaft rotates along with the cross shaft under the transmission action of the main teeth of the disc angle teeth and the driven teeth of the disc angle teeth, so that the gear is driven to rotate;

s3: under the transmission action of the gear and the gear disc I, the vertical shaft can be driven to rotate by the driving of the driving structure, the gear disc II and the chain wheel rotate along with the vertical shaft, and further the chain rotates to drive the roller to roll in the two sliding seats, so that the circumferential rotation of the workpiece is realized;

s4: when a workpiece passes through the spraying structure, the driving motor drives the first transmission gear to rotate, and the first movable plate can transversely move on the top of the cross frame under the transmission action of the first transmission gear and the first rack, so that the spray gun can be driven to transversely move for spraying;

s5: meanwhile, the second driving motor drives the second transmission gear to rotate, and the second transmission gear and the second rack can drive the L-shaped plate to vertically move on the second barrier strip under the transmission effect of the second transmission gear and the second rack, so that the spray gun can be driven to vertically move, the horizontal position and the vertical position of the spray gun can be adjusted, and the workpiece can be sprayed in an all-round mode.

Compared with the prior art, the invention has the beneficial effects that:

1. the connecting rods are fixed together through the hanging pieces and the connecting rods in a threaded mode, so that the hanging pieces corresponding to the connecting rods can be replaced according to different spraying workpieces, spraying operation on the workpieces of different types is facilitated, meanwhile, the distance between the two connecting rods can be adjusted, the connecting rods can be suitable for the workpieces of different sizes, the applicability is high, the replacement is convenient, and when the connecting rods pass through the second gear disc, the connecting rods are located in tooth grooves of the second gear disc to carry out limiting transmission on the connecting rods.

2. According to the invention, the circumferential rotation of the workpiece is realized through the matching use of the first rotary transmission structure, the bottom plate, the driving structure, the sliding seat, the channel, the idler wheels, the spraying structure, the second rotary transmission structure, the storage frame, the connecting rod, the chain, the pendant, the workpiece, the base, the welding pipe, the first gear disc, the vertical shaft, the second gear disc, the chain wheel, the top cover and the cover frame.

3. The invention uses the first rack, the cross frame, the first barrier strip, the spray gun, the vertical plate, the vertical displacement mechanism, the first driving motor, the first movable plate, the first I-shaped wheel, the second rack, the second barrier strip, the vertical frame, the second driving motor, the L-shaped plate and the second I-shaped wheel in a matching way, the first driving motor drives the first driving gear to rotate, the first movable plate can transversely move on the top of the cross frame under the transmission action of the first driving gear and the first rack, so that the spray gun can be driven to transversely move, meanwhile, the second driving motor drives the second driving gear to rotate, the L-shaped plate can be driven to vertically move on the second barrier strip under the transmission action of the second driving gear and the second rack, so that the spray gun can be driven to vertically move, the transverse and vertical positions of the spray gun can be adjusted, and not only the omnibearing spraying operation can be realized on a workpiece, also can make it carry out corresponding regulation spraying to the pendant of unidimensional not, guarantee that the device can all carry out the omnidirectional spraying operation to the work piece of unidimensional not, and the spraying effect is good, and the setting of two sets of memory frames, also can realize that one sprays the first half of work piece, and another sprays the first half of work piece, and then further improvement the work efficiency of device.

Drawings

FIG. 1 is a schematic structural view of a suspension type spray coating apparatus for machining;

FIG. 2 is a schematic structural view of a first rotary transmission structure in a suspension type spraying device for machining;

FIG. 3 is a schematic structural view of a spray structure in a suspension type spray coating apparatus for machining;

FIG. 4 is an enlarged schematic view of a suspension type spray coating apparatus for machining at A in FIG. 3;

FIG. 5 is a schematic structural diagram of a vertical displacement mechanism in a suspension type spray coating device for machining;

FIG. 6 is an enlarged schematic view of a suspended spray apparatus for machining at B in FIG. 5;

fig. 7 is a schematic structural diagram of a driving structure in a suspension type spray coating device for machining.

In the figure: the device comprises a first rotary transmission structure 1, a bottom plate 2, a driving structure 3, a sliding seat 4, a channel 5, a roller 6, a spraying structure 7, a second rotary transmission structure 8, a storage frame 9, a connecting rod 10, a chain 11, a hanging part 12, a workpiece 13, a base 14, a welding pipe 15, a first gear disc 16, a vertical shaft 17, a second gear disc 18, a chain wheel 19, a top cover 20, a cover frame 21, a first rack 22, a cross frame 23, a first baffle strip 24, a spray gun 25, a vertical plate 26, a vertical displacement mechanism 27, a first driving motor 28, a first movable plate 29, a first I-shaped wheel 30, a second rack 31, a second baffle strip 32, a vertical frame 33, a second driving motor 34, an L-shaped plate 35, a second I-shaped wheel 36, a third driving motor 37, a transmission structure 38, a bearing seat 39, a horizontal shaft 40, a main disc angle tooth 41, a shell 42, a gear 43, a vertical.

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.

Referring to fig. 1-7, the invention provides a suspension type spraying device for machining, comprising a first rotation transmission structure 1 and a second rotation transmission structure 8, wherein the first rotation transmission structure 1 and the second rotation transmission structure 8 have the same structure size, two sliding seats 4 are fixedly arranged between the first rotation transmission structure 1 and the second rotation transmission structure 8, a channel 5 is formed between the opposite surfaces of the two sliding seats 4, a roller 6 is slidably connected between the two sliding seats 4, a connecting rod 10 is fixedly arranged at the bottom of the roller 6, the bottom of the connecting rod 10 extends to the lower part of the sliding seats 4 through the channel 5, a hanging part 12 is arranged on the connecting rod 10, a workpiece 13 is arranged on the hanging part 12, a bottom plate 2 is fixedly arranged at one side of the first rotation transmission structure 1, a driving structure 3 is fixedly arranged at the top of the bottom plate 2, and the driving structure 3 is in transmission connection with the first rotation transmission structure 1, two groups of spraying structures 7 are arranged between a first rotary transmission structure 1 and a second rotary transmission structure 8, the number of each group of spraying structures 7 is two, a storage frame 9 is arranged between the two spraying structures 7 in the same group, the first rotary transmission structure 1 comprises a base 14, four welding pipes 15 are welded on the first rotary transmission structure 1, a cover frame 21 is fixedly arranged at the top of each welding pipe 15, a top cover 20 is fixedly arranged at the top of the cover frame 21, a vertical shaft 17 is rotatably arranged on the opposite surfaces of the base 14 and the top cover 20, a first gear disc 16 is sleeved at the lower part of the outer surface of the vertical shaft 17, a second gear disc 18 is sleeved at the upper part of the outer surface of the vertical shaft 17, the outer surface of the vertical shaft 17 is positioned between the first gear disc 16 and the second gear disc 19, a chain 11 matched with the chain wheel 19 on the first rotary transmission structure 1 and the chain wheel 19 on the second rotary transmission, and the connecting rod 10 runs through the chain 11, when the connecting rod 10 passes through the second gear disc 18, the connecting rod 10 is just positioned in the teeth of the second gear disc 18, the driving structure 3 comprises a driving motor III 37 and a shell 42, a bearing seat 39 is embedded and installed on the outer wall of the shell 42, a transverse shaft 40 is rotatably installed inside the bearing seat 39, a transmission structure 38 is arranged between the driving end of the driving motor III 37 and one end of the transverse shaft 40, a vertical shaft 44 is rotatably installed on the shell 42 through a bearing installed inside the shell 42, the outer wall of the vertical shaft 44 is respectively sleeved and installed with the shell 42 and a gear 43, the gear 43 is meshed with the first gear disc 16, a main gear 41 of the disc corner teeth matched with the driven gear 45 is fixedly installed at the other end of the transverse shaft 40, the main gear 41 of the disc corner teeth is meshed with the driven gear 45 of the disc corner teeth, the transmission structure 38 comprises a large chain wheel and a small chain wheel, and the transmission chain matched with, the spraying structure 7 comprises a cross frame 23, a rack I22 and a barrier strip I24 are fixedly mounted on two sides of the top of the cross frame 23 respectively, a movable plate I29 is connected to the top of the cross frame 23 in a sliding manner, a driving motor I28 is fixedly mounted on one side of the top of the movable plate I29, the driving end of the driving motor I28 penetrates through the top of the movable plate I29 and extends to the lower portion of the movable plate I29, a transmission gear I matched with the rack I22 is fixedly mounted at the driving end of the driving motor I28 and is meshed with the rack I22, a vertical displacement mechanism 27 is fixedly mounted on the other side of the top of the movable plate I29, a vertical plate 26 is fixedly mounted at the lifting end of the vertical displacement mechanism 27, a plurality of spray guns 25 are mounted on the vertical plate 26 in an inserting manner, an I-shaped wheel I30 is rotatably mounted at four corners of the bottom of the movable plate I, vertical displacement mechanism 27 includes erecting frame 33, the both sides of erecting frame 33 one side respectively fixed mounting have rack two 31 and blend stop two 32, the one side sliding connection of erecting frame 33 has L shaped plate 35, the drive end fixed mounting of L shaped plate 35 has drive motor two 34, and the drive end of drive motor two 34 runs through L shaped plate 35, the drive end fixed mounting of drive motor two 34 has drive gear two with rack two 31 looks adaptation, and drive gear two meshes with rack two 31 mutually, L shaped plate 35 is close to the four corners of erecting frame 33 one side and all rotates and installs I-shaped wheel two 36, and I-shaped wheel two 36 and rack two 31 and blend stop two 32 sliding connection, the screw hole has been seted up to the bottom of connecting rod 10, the top fixed mounting of pendant 12 has the screw rod with screw rod looks adaptation, and screw rod and screw hole threaded connection.

A using method of a suspension type spraying device for machining comprises the following spraying steps:

s1: fixing the hanging part 12 and the connecting rod 10 together in a threaded manner, and then hanging the workpiece 13 on the hanging part 12 and the connecting rod;

s2: the rotation of the driving motor III 37 drives the transverse shaft 40 to rotate through the transmission structure 38, the disc angle tooth main teeth 41 rotate along with the transverse shaft 40, and under the transmission action of the disc angle tooth main teeth 41 and the disc angle tooth passive teeth 45, the vertical shaft 44 rotates along with the transverse shaft 40, so that the gear 43 is driven to rotate;

s3: under the transmission action of the gear 43 and the gear disc I16, the vertical shaft 17 can be driven to rotate by the driving of the driving structure 3, the gear disc II 18 and the chain wheel 19 both rotate along with the vertical shaft 17, and then the chain 11 rotates to drive the roller 6 to roll in the two sliding seats 4, so that the circumferential rotation of the workpiece 13 is realized;

s4: when the workpiece 13 passes through the spraying structure 7, the first driving motor 28 drives the first transmission gear to rotate, and under the transmission action of the first transmission gear and the first rack 22, the first movable plate 29 can transversely move on the top of the cross frame 23, so that the spray gun 25 can be driven to transversely move to spray;

s5: meanwhile, the second driving motor 34 drives the second transmission gear to rotate, and under the transmission action of the second transmission gear and the second rack 31, the second driving motor can drive the L-shaped plate 35 to vertically move on the second barrier strip 32, so that the spray gun 25 can be driven to vertically move, the transverse position and the vertical position of the spray gun 25 can be adjusted, and the workpiece 13 can be sprayed in an omnibearing manner

The working principle of the invention is as follows:

when the device is used, the hanging pieces 12 and the connecting rods 10 are fixed together in a threaded mode, and then the hanging pieces 12 corresponding to the hanging pieces can be replaced according to different spraying workpieces, so that spraying operation on workpieces 13 of different types is facilitated, meanwhile, the distance between the two connecting rods 10 can be adjusted, so that the device can be suitable for workpieces 13 of different sizes, is high in applicability and convenient to replace, when the connecting rods 10 pass through the gear disc II 18, the connecting rods 10 are positioned in tooth grooves of the gear disc II 18 and perform limit transmission on the tooth grooves, and the driving structure 3 has the working principle that the rotation of the driving motor III 37 drives the transverse shaft 40 to rotate through the transmission structure 38, the disc corner tooth main teeth 41 rotate along with the transverse shaft 40, under the transmission action of the disc corner tooth main teeth 41 and the disc corner tooth driven teeth 45, the vertical shaft 44 rotates along with the transverse shaft 40, so as to drive the gear 43 to rotate, under the transmission action of the gear 43 and the gear disc I, the driving structure 3 is driven to drive the vertical shaft 17 to rotate, the gear disc II 18 and the chain wheel 19 rotate along with the vertical shaft 17, the chain 11 is further rotated to drive the roller 6 to roll in the two sliding seats 4, so that the circumferential rotation of the workpiece 13 is realized, due to the arrangement of the two groups of spraying structures 7, when the workpiece 13 rotates circumferentially, one rotation of the pendant can be realized through the two groups of spraying structures 7, namely, two spraying operations can be realized, the working efficiency of the device can be improved when the workpiece can be sprayed uniformly in all directions, the structure is more optimized and the design is more reasonable, the driving motor I28 drives the transmission gear I to rotate, under the transmission action of the transmission gear I and the rack I22, the movable plate I29 can transversely move at the top of the cross frame 23, so that the spray gun 25 can be driven to transversely move, and the driving motor II 34 can drive the transmission gear II to rotate at the same time, under the transmission action of the second transmission gear and the second rack 31, the second L-shaped plate 35 can be driven to vertically move on the second barrier strip 32, so that the spray gun 25 can be driven to vertically move, the horizontal and vertical positions of the spray gun 25 can be adjusted, the comprehensive spraying operation on the workpiece 13 can be realized, the workpiece can be correspondingly adjusted and sprayed according to different sizes of pendants, the comprehensive spraying operation on workpieces 13 with different sizes can be guaranteed, the spraying effect is good, the two storage frames 9 are arranged, one can be used for spraying the upper half part of the workpiece 13, the other can be used for spraying the upper half part of the workpiece 13, and the working efficiency of the device is further improved.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a suspension type spraying device for machining, includes rotation transmission structure one (1) and rotation transmission structure two (8), its characterized in that: the structure size of the first rotary transmission structure (1) is consistent with that of the second rotary transmission structure (8), two sliding seats (4) are fixedly arranged between the first rotary transmission structure (1) and the second rotary transmission structure (8), a channel (5) is formed between opposite surfaces of the two sliding seats (4), an idler wheel (6) is connected between the two sliding seats (4) in a sliding manner, a connecting rod (10) is fixedly arranged at the bottom of the idler wheel (6), a hanging piece (12) is arranged on the connecting rod (10), a workpiece (13) is arranged on the hanging piece (12), a bottom plate (2) is fixedly arranged on one side of the first rotary transmission structure (1), a driving structure (3) is fixedly arranged at the top of the bottom plate (2), the driving structure (3) is in transmission connection with the first rotary transmission structure (1), and two groups of spraying structures (7) are arranged between the first rotary transmission structure (1) and the second rotary transmission structure (8), and the quantity of every group spraying structure (7) has two, two with organizing be provided with storage frame (9) between spraying structure (7), rotatory transmission structure (1) includes base (14), welding installation has four welded pipe (15) on rotatory transmission structure (1), the top fixed mounting of welded pipe (15) has lid frame (21), the top fixed mounting of lid frame (21) has top cap (20), the opposite face of base (14) and top cap (20) rotates installs vertical axis (17), gear disc (16) have been cup jointed to the lower part of vertical axis (17) surface, sprocket (19) have been cup jointed on the upper portion of vertical axis (17) surface, the surface of vertical axis (17) just is located and has cup jointed gear disc (18) between gear disc (16) and sprocket (19), be connected between sprocket (19) on rotatory transmission structure (1) and the sprocket (19) on rotatory transmission structure (8) and transmit The chain (11) is matched with the movable plate, the first I-shaped wheel (30) is rotatably arranged at four corners of the bottom of the first movable plate (29), the first I-shaped wheel (30) is slidably connected with the first rack (22) and the first blocking strip (24), the second I-shaped wheel (36) is rotatably arranged at four corners of one surface, close to the vertical frame (33), of the L-shaped plate (35), and the second I-shaped wheel (36) is slidably connected with the second rack (31) and the second blocking strip (32).

2. A suspension spray device for machining according to claim 1, characterised in that: drive structure (3) include driving motor three (37) and casing (42), inlay on the outer wall of casing (42) and install bearing frame (39), the inside rotation of bearing frame (39) installs cross axle (40), be provided with drive structure (38) between the drive end of driving motor three (37) and the one end of cross axle (40), vertical axle (44) are installed in the bearing rotation of casing (42) through its inside installation, the outer wall of vertical axle (44) cup joints respectively and installs casing (42) and gear (43), and gear (43) and toothed disc one (16) mesh mutually, the other end fixed mounting of cross axle (40) has dish angle tooth leading tooth (41) with dish angle tooth passive tooth (45) looks adaptation, and dish angle tooth leading tooth (41) and dish angle tooth passive tooth (45) mesh mutually, drive structure (38) include big sprocket and small sprocket, and the large chain wheel and the small chain wheel are in transmission connection with a transmission chain which is matched together.

3. A suspension spray device for machining according to claim 1, characterised in that: spraying structure (7) include crossbearer (23), the both sides at crossbearer (23) top are fixed mounting rack (22) and blend stop (24) respectively, the top sliding connection of crossbearer (23) has a fly leaf (29), one side fixed mounting at fly leaf (29) top has driving motor (28), the drive end fixed mounting of driving motor (28) has the drive gear one with rack (22) looks adaptation, and drive gear one meshes with rack (22) mutually, the opposite side fixed mounting at fly leaf (29) top has vertical displacement mechanism (27), the lift fixed mounting of vertical displacement mechanism (27) has vertical board (26), alternate on vertical board (26) and install a plurality of spray guns (25).

4. A suspension spray device for machining according to claim 3, characterised in that: vertical displacement mechanism (27) are including erecting frame (33), the both sides difference fixed mounting of erecting frame (33) one side has rack two (31) and blend stop two (32), the one side sliding connection of erecting frame (33) has L shaped plate (35), the drive end fixed mounting of L shaped plate (35) has driving motor two (34), just the drive end fixed mounting of driving motor two (34) has and rack two (31) looks adaptation drive gear two, and drive gear two meshes with rack two (31) mutually.

5. A suspension spray device for machining according to claim 1, characterised in that: the bottom of the connecting rod (10) is provided with a threaded hole, the top of the hanging piece (12) is fixedly provided with a screw rod matched with the screw rod, and the screw rod is in threaded connection with the threaded hole.