CN110252562B

CN110252562B - Hub spraying equipment

Info

Publication number: CN110252562B
Application number: CN201910394913.9A
Authority: CN
Inventors: 余平晓
Original assignee: Jiaxing Borui Auto Parts Co Ltd
Current assignee: Jiaxing Borui Auto Parts Co ltd
Priority date: 2019-05-13
Filing date: 2019-05-13
Publication date: 2020-10-23
Anticipated expiration: 2039-05-13
Also published as: CN110252562A

Abstract

The invention discloses a hub spraying device which comprises a main body, wherein the upper end of the main body is bilaterally symmetrical and is provided with a liquid coating control block in a sliding fit manner, a liquid coating device is arranged in the liquid coating control block, a moving device is arranged in the main body, the front side of the moving device is provided with a control device, the liquid coating device comprises a sleeve which penetrates through the main body in the left-right direction and is rotatably arranged in the main body, a telescopic shaft is in spline fit connection in the sleeve, and a positioning block is fixedly arranged on the end surface of one side, close to a symmetrical center, of; through this device to inside hollow and for the inside protection liquid of paining of the wheel hub of screw thread, the intensity of the inside screw thread of reinforcing wheel hub can carry out certain monitoring work simultaneously, when paining the protection liquid, if appear because the inside screw thread is untidy or mismatch the card that appears and die or the work condition that is not smooth and easy, the detectable goes out this wheel hub quality not to pass, controls the wheel hub quality.

Description

Hub spraying equipment

Technical Field

The invention relates to the technical field of hub machining, in particular to hub spraying equipment.

Background

In the mechanical production field, there are various wheel hub, some wheel hub are inside to be hollow, and its inside is the screw thread, strengthen the life and the security of its screw thread intensity multiplicable wheel hub, therefore, an urgent need for a wheel hub spraying equipment, through this device to inside hollow and for the inside protection liquid of paining of the wheel hub of screw thread, strengthen the intensity of the inside screw thread of wheel hub, can carry out certain monitoring work simultaneously, when paining the protection liquid, if appear because the inside screw thread is untidy or the card that the mismatching appears dies or the condition that work is not smooth and easy, detectable this wheel hub quality is not too much, control wheel hub quality.

Disclosure of Invention

The object of the present invention is to provide a hub spraying apparatus which overcomes the above-mentioned drawbacks of the prior art.

The wheel hub spraying equipment comprises a main body, wherein the upper end of the main body is bilaterally symmetrical and is provided with a liquid coating control block in a sliding fit manner, a liquid coating device is arranged in the liquid coating control block, a moving device is arranged in the main body, the front side of the moving device is provided with a control device, the liquid coating device comprises a sleeve which is penetrated through from left to right and is rotatably arranged in the main body, a telescopic shaft is connected in the sleeve in a spline fit manner, a positioning block is fixedly arranged on the end surface of the liquid coating control block, which is close to the symmetrical center, a positioning cavity with an opening towards the center direction is arranged in the positioning block, one end of the telescopic shaft, which is close to the center, extends into the sleeve, a liquid spraying block is fixedly arranged in the sleeve, one end of the liquid spraying block, which is far away from the center, is provided with a thread block fixedly arranged outside the telescopic shaft, then the telescopic shaft is driven to rotate, the telescopic shaft moves towards the center direction through the thread matching of the thread block and the inner part of the wheel hub, the protective liquid is sprayed on the inner thread of the wheel hub through the liquid spraying block, then the liquid spraying block is driven to stretch in the wheel hub through the thread block, the end, far away from the center, of the liquid spraying control block is fixedly provided with a fixed block, a liquid supplying cavity is arranged in the fixed block, a liquid supplying blade is rotatably arranged in the liquid supplying cavity, a power motor is fixedly arranged in the liquid spraying control block, the power motor drives the telescopic shaft and the liquid supplying blade to rotate through a transmission mechanism, the liquid spraying block stretches into the wheel hub at one side, the protective liquid is sprayed at the other side, the moving device is divided into two parts, one part drives the liquid spraying control block to move, a conveying support block is arranged in the middle of the upper end of the main body in, the control device controls not only the moving device but also the clamping device.

The liquid coating device comprises a liquid coating control block which is bilaterally symmetrical and is arranged at the rear end of the end face on the upper side of the main body in a sliding manner, a sleeve is arranged in the liquid coating control block in a penetrating manner and can rotate, a straight tooth transmission cavity is arranged in the liquid coating control block, the sleeve penetrates through the outer side of the part of the straight tooth transmission cavity and is fixedly provided with a straight tooth ring, the lower end of the straight tooth ring is provided with a straight gear meshed with the straight tooth ring, a power motor is fixedly arranged in the inner wall of the lower end of the straight tooth transmission cavity at one side far away from the center of symmetry, one end of the power motor close to the center of symmetry is connected with the straight gear through a rotating shaft power, one side of the power motor far away from the center is provided with the transmission cavity, one end of the power motor far away from the center is in a power fit connection with a, the lower end of the driving bevel gear is provided with a driven bevel gear engaged with the driving bevel gear, the lower side of the transmission cavity is provided with a belt wheel cavity communicated with and arranged in the fixed block, the lower end of the driven bevel gear is fixedly provided with a driving belt wheel through a rotating shaft extending into the belt wheel cavity, one side of the driving belt wheel, which is far away from the center, is rotatably provided with a driven belt wheel, a power belt is wound between the driving belt wheel and the driven belt wheel, the liquid supply cavity is arranged above the driven belt wheel, the upper end of the driven belt wheel is fixedly provided with a driving shaft extending into the liquid supply cavity, the annular array of liquid supply blades is fixedly arranged on the outer side of the driving shaft, one side of the liquid supply cavity, which is close to the center, is communicated with a liquid outlet channel communicated with the outside, one end of the fixed block, which is, the lower end of the pipeline is communicated with the liquid outlet channel, an extending cavity with an opening towards the center is arranged at the upper end in the fixed block, one end of the sleeve far away from the center extends into the extending cavity, the telescopic shaft penetrates left and right and is arranged in the sleeve in a sliding manner, spline grooves are symmetrically arranged on the upper side and the lower side of the telescopic shaft in the sleeve, spline blocks extending into the spline grooves are symmetrically and fixedly arranged at the upper end and the lower end of the telescopic shaft, the upper end of the elastic tube extends to one end of the telescopic shaft far away from the center and is connected with the end of the telescopic shaft in a rotating fit manner, a liquid through hole with an opening towards the center is communicated with the pipeline in the telescopic shaft, one end of the telescopic shaft close to the center extends into the positioning cavity and is fixedly connected onto one side end face of the liquid spraying block far away from the center, a spraying cavity communicated with the liquid through hole is arranged in the liquid spraying cavity, the outer side of the circumference of the liquid spraying block is fixedly provided with a smearing block, and the thread block is fixedly arranged on the end face of one side, far away from the center, of the liquid spraying block.

Further technical scheme, the mobile device include bilateral symmetry and opening upwards set up in the smooth chamber in location in the main part, the rotatable positioning screw that is equipped with in the smooth intracavity in location, positioning screw connect in controlling means, the smooth intracavity slidable in location be equipped with threaded connection in positioning screw and upper end link firmly in scribble the location slider of liquid control block terminal surface down, main part up end mid portion carries the chamber, the rotatable conveying screw that is equipped with in the chamber of carrying, conveying screw connect in controlling means, the smooth threaded connection that is equipped with in the chamber of carrying in conveying screw's transport piece, carry the tray set firmly in carry the piece upper end.

The technical scheme is that the clamping device comprises a cam cavity arranged in a top plate, a bidirectional cam is rotatably arranged in the cam cavity, the front end and the rear end of the bidirectional cam are abutted to be provided with the top plate which is arranged in the cam cavity in a sliding manner, the front end and the rear end of the upper side of the cam cavity are symmetrical and communicated with each other to be provided with a guide sliding chute with an upward opening, the end surface of the upper side of the top plate is fixedly provided with a guide sliding block which is arranged in the guide sliding chute in a sliding manner, the upper end of the guide sliding block is fixedly provided with a clamping plate, the front end and the rear end of the lower side of the cam cavity are symmetrical and communicated with a reset groove, the lower end of the top plate is fixedly provided with a reset block extending into the reset groove, a reset spring is fixedly connected between one end of the reset block, which is far away from a symmetry center, and the inner wall of the reset groove, the front end of the driven transmission straight gear is provided with a transmission straight gear meshed with the driven transmission straight gear in a one-way mode, and the transmission straight gear is connected to the control device.

A further technical scheme, controlling means including set up in the switching chamber of front side in the main part, it is equipped with the switching piece to switch the smooth switching that is equipped with of intracavity, the rack has set firmly in the switching piece up end, it is equipped with the rack and pinion chamber to switch chamber upside intercommunication, rack and pinion intracavity rotatable be equipped with rack and pinion that the rack meshes mutually, rack and pinion chamber left side set firmly power connect in rack and pinion's switching motor, switching motor left side is equipped with awl tooth meshing chamber, switching motor left end is through extending to the pivot power fit in the awl tooth meshing chamber is connected with initiative transmission bevel gear, initiative transmission bevel gear upper end be provided with can rather than the driven transmission bevel gear of meshing, awl tooth meshing chamber upside opening just corresponds right straight-teeth transmission chamber is equipped with the initiative gear chamber, driven transmission bevel gear upper end is through extending to the pivot in the driving gear intracavity link firmly can with transmission straight-teeth gear meshing transmission bevel gear meshing The switching block is internally and fixedly provided with a control motor, the front side of the switching block is provided with a driving straight gear which is connected with the control motor in a power fit manner, the upper side of the switching cavity is communicated with a straight-tooth meshed transmission cavity, the lower side of the inside of the straight-tooth meshed transmission cavity is rotatably provided with a meshed transmission straight gear which can be meshed with the driving straight gear, the upper end of the meshed transmission straight gear is provided with a driven straight gear which is meshed with the transmission straight gear, the front end of a conveying screw is fixedly connected onto the rear end face of the driven straight gear, the rear side of the switching block is provided with a driving meshed bevel gear which is connected with the control motor in a power fit manner, the rear side of the switching cavity is communicated with a belt wheel transmission cavity, the inside of the belt wheel transmission cavity is rotatably provided with a driven meshed bevel gear which can be meshed with the driving meshed with the, the rear side of the driving transmission belt wheel is rotatably provided with a driven transmission belt wheel, a transmission belt is wound between the driven transmission belt wheel and the driving transmission belt wheel, and one end, close to the symmetry center, of the positioning screw rod is fixedly connected with the driven transmission belt wheel.

The invention has the beneficial effects that: the invention has simple structure and convenient operation, the protection liquid is coated inside the hollow hub with threads by the device, the strength of the threads inside the hub is enhanced, meanwhile, certain monitoring work can be carried out, and when the protection liquid is coated, if the situation of jamming or unsmooth work due to irregular or unmatched internal threads occurs, the quality of the hub can be detected to be not over-limit, and the quality of the hub is controlled.

Drawings

FIG. 1 is a schematic view of the internal overall structure of a hub spraying apparatus of the present invention;

FIG. 2 is a schematic view of the structure in the direction "A-A" of FIG. 1;

FIG. 3 is a schematic view of the structure in the direction "B-B" in FIG. 2.

Detailed Description

The invention will now be described in detail with reference to fig. 1-3, for the sake of convenience, the orientations described hereinafter being defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

Referring to fig. 1-3, the hub spraying equipment according to the embodiment of the invention comprises a main body 11, a liquid coating control block 12 is arranged at the upper end of the main body 11 in a bilaterally symmetrical and sliding fit manner, a liquid coating device is arranged in the liquid coating control block 12, a moving device is arranged in the main body 11, a control device is arranged at the front side of the moving device, the liquid coating device comprises a sleeve 13 which penetrates through the main body 11 in a left-right and rotatable manner, a telescopic shaft 14 is connected in the sleeve 13 in a spline fit manner, a positioning block 15 is fixedly arranged on the end surface of the liquid coating control block 12 close to one side of the symmetrical center, a positioning cavity 16 with an opening towards the center is arranged in the positioning block 15, a liquid spraying block 17 is fixedly arranged in the sleeve 13 at one end of the telescopic shaft 14 close to the center, a thread block 18 fixedly arranged on the outer side of the, the device is used for coating liquid on the interior of a hub with threads inside, two ends of the hub are positioned in a positioning cavity 16 through a positioning block 15, then a telescopic shaft 14 is driven to rotate, the hub moves towards the center direction through the thread matching of a thread block 18 and the interior of the hub, protective liquid is sprayed on the threads inside the hub through a liquid spraying block 17, then the liquid spraying block 17 is driven to stretch and retract in the hub through the thread block 18, a fixing block 19 is fixedly arranged at one end, far away from the center, of a liquid coating control block 12, a liquid supply cavity 20 is arranged in the fixing block 19, a liquid supplying blade 21 is rotatably arranged in the liquid supply cavity 20, a power motor 22 is fixedly arranged in the liquid coating control block 12, the power motor 22 drives the telescopic shaft 14 and the liquid supplying blade 21 to rotate through a transmission mechanism, the liquid spraying block 17 stretches into the interior of the hub while spraying the protective liquid, the moving device is divided into two parts, one part drives the liquid coating control block 12 to move, a conveying support block 23 is slidably arranged in the middle of the upper end of the main body 11, the other part controls the conveying support block 23 to move, a clamping device is arranged in the conveying support block 23, and the control device controls the moving device and the clamping device at the same time.

Beneficially or exemplarily, the liquid coating device includes a liquid coating control block 12 which is bilaterally symmetric and is slidably disposed at the rear end of the upper end face of the main body 11, the sleeve 13 is disposed in the liquid coating control block 12 in a penetrating manner, the straight-tooth transmission cavity 24 is disposed in the liquid coating control block 12, the sleeve 13 penetrates through the outer side of the straight-tooth transmission cavity 24 and is fixedly provided with a straight-tooth ring 25, the lower end of the straight-tooth ring 25 is provided with a straight gear 26 engaged with the straight-tooth ring, the power motor 22 is fixedly disposed in the inner wall of the lower end of the straight-tooth transmission cavity 24 at the side far from the center of symmetry, one end of the power motor 22 near the center of symmetry is connected to the straight gear 26 through a rotating shaft power, one side of the power motor 22 far from the center is provided with a transmission cavity 27, one end of the power motor 22 far from the center is connected with a ratchet 28, a driving bevel gear 30 is fixedly arranged at one end of the inner ratchet 29 far away from the center, a driven bevel gear 31 meshed with the driving bevel gear is arranged at the lower end of the driving bevel gear 30, a belt wheel cavity 32 communicated with the fixed block 19 is arranged at the lower side of the transmission cavity 27, a driving belt wheel 33 is fixedly arranged at the lower end of the driven bevel gear 31 through a rotating shaft extending into the belt wheel cavity 32, a driven belt wheel 34 is rotatably arranged at one side of the driving belt wheel 33 far away from the center, a power belt 35 is wound between the driving belt wheel 33 and the driven belt wheel 34, the liquid supply cavity 20 is arranged above the driven belt wheel 34, a driving shaft 36 extending into the liquid supply cavity 20 is fixedly arranged at the upper end of the driven belt wheel 34, the liquid supply blades 21 are annularly arrayed and fixedly arranged at the outer side of the driving shaft 36, a liquid inlet channel 45 is communicated with one side of the liquid supply cavity 20 near the center, and a liquid outlet channel 46, the utility model discloses a liquid spraying device, including fixed block 19, center one end is kept away from to fixed block 19 sets firmly elastic tube 37, run through in the elastic tube 37 and be equipped with pipeline 38, the pipeline 38 lower extreme communicate in go out liquid channel 46, the upper end is provided with opening to the extension chamber 39 at center in the fixed block 19, sleeve 13 is kept away from center one end and is extended to in extending chamber 39, telescopic shaft 14 runs through and slidable locates in the sleeve 13 about, telescopic shaft 14 both sides about and in sleeve 13 symmetry is equipped with spline groove 40, telescopic shaft 14 both ends symmetry about and fixed be equipped with extend to spline 41 in the spline groove 40, elastic tube 37 upper end extends to telescopic shaft 14 keeps away from center one end and is connected rather than normal running fit, telescopic shaft 14 in-run through pipeline 38 be provided with opening to central liquid through hole 42, telescopic shaft 14 is close to center one end extend to in location chamber 16 and link firmly in liquid spraying block 17 keeps away from a central side end face, the spraying device is characterized in that a spraying cavity 43 communicated with the liquid through hole 42 is formed in the liquid spraying block 17, nozzles 47 communicated with the outside are arranged in an annular array on one side of the circumference of the spraying cavity 43 in a communicated mode, a coating block 44 is fixedly arranged on the outer side of the circumference of the liquid spraying block 17, and the thread block 18 is fixedly arranged on the end face of one side, far away from the center, of the liquid spraying block 17.

Beneficially or exemplarily, the moving device includes a positioning slide cavity 48 which is bilaterally symmetrical and is provided with an upward opening in the main body 11, a positioning screw 49 is rotatably provided in the positioning slide cavity 48, the positioning screw 49 is connected to the control device, a positioning slider 50 which is connected to the positioning screw 49 in a threaded manner and is provided with an upper end fixedly connected to the lower end face of the liquid coating control block 12 is slidably provided in the positioning slide cavity 48, a conveying cavity 51 is provided in the middle of the upper end face of the main body 11, a conveying screw 52 is rotatably provided in the conveying cavity 51, the conveying screw 52 is connected to the control device, a conveying block 53 which is connected to the conveying screw 52 in a threaded manner is slidably provided in the conveying cavity 51, and the conveying support block 23 is fixedly provided at the upper end of the conveying block 53.

Beneficially or exemplarily, the clamping device includes a cam cavity 54 disposed in a top plate 56, a bidirectional cam 55 is rotatably disposed in the cam cavity 54, the front end and the rear end of the bidirectional cam 55 are abutted to each other and are provided with the top plate 56 slidably disposed in the cam cavity 54, the front end and the rear end of the upper side of the cam cavity 54 are symmetrically and communicatively provided with guide sliding grooves 57 with upward openings, a guide sliding block 58 slidably disposed in the guide sliding grooves 57 is fixedly disposed on the upper end surface of the top plate 56, a clamping plate 59 is fixedly disposed on the upper end of the guide sliding block 58, return grooves 60 are symmetrically and communicatively disposed on the front side and the rear end of the lower side of the cam cavity 54, a return block 61 extending into the return grooves 60 is fixedly disposed at the lower end of the top plate 56, a return spring 62 is fixedly connected between one end of the return block 61 far from the symmetric center and the inner wall of the return groove 60 far from the symmetric center, a straight, the lower end of the bidirectional cam 55 is fixedly connected with a driven transmission straight gear 64 through a rotating shaft extending into the straight gear transmission cavity 63, the front end of the driven transmission straight gear 64 is provided with a transmission straight gear 65 meshed with the driven transmission straight gear in a one-way mode, and the transmission straight gear 65 is connected to the control device.

Beneficially or exemplarily, the control device includes a switching chamber 66 disposed at the front side in the main body 11, a switching block 67 is slidably disposed in the switching chamber 66, a rack 68 is fixedly disposed in an upper end surface of the switching block 67, a rack-and-pinion chamber 69 is communicatively disposed at an upper side of the switching chamber 66, a rack pinion 70 engaged with the rack 68 is rotatably disposed in the rack-and-pinion chamber 69, a switching motor 71 dynamically connected to the rack pinion 70 is fixedly disposed at a left side of the rack-and-pinion chamber 69, a bevel gear engaging chamber 72 is disposed at a left side of the switching motor 71, a driving bevel gear 73 is dynamically and cooperatively connected to a left end of the switching motor 71 through a rotating shaft extending into the bevel gear engaging chamber 72, a driven bevel gear 74 engageable with the driving bevel gear 73 is disposed at an upper end of the driving bevel gear 73, an opening at an upper side of the bevel gear engaging chamber 72 is opened to the right and a driving gear chamber 75 is disposed corresponding, the upper end of the driven transmission bevel gear 74 is fixedly connected with a driving transmission straight gear 76 which can be meshed with the transmission straight gear 65 through a rotating shaft extending into the driving gear cavity 75, a control motor 87 is fixedly arranged in the switching block 67, the front side of the switching block 67 is provided with a driving straight gear 77 which is in power fit connection with the control motor 87, the upper side of the switching cavity 66 is communicated with a straight gear meshing transmission cavity 78, the lower side of the inside of the straight gear meshing transmission cavity 78 is rotatably provided with a meshing transmission straight gear 79 which can be meshed with the driving straight gear 77, the upper end of the meshing transmission straight gear 79 is provided with a driven straight gear 80 which is meshed with the meshing transmission straight gear, the front end of the conveying screw 52 is fixedly connected onto the rear end face of the driven straight gear 80, the rear side of the switching block 67 is provided with a driving meshing bevel gear 81 which is in power fit connection with the control motor 87, the rear side of the switching cavity 66 is, a driven bevel gear 83 which can be meshed with the driving bevel gear 81 is rotatably arranged in the belt wheel transmission cavity 82, a driving belt wheel 84 is fixedly arranged at the right end of the driven bevel gear 83, a driven belt wheel 85 is rotatably arranged at the rear side of the driving belt wheel 84, a transmission belt 86 is wound between the driven belt wheel 85 and the driving belt wheel 84, and one end, close to the symmetry center, of the positioning screw 49 is fixedly connected to the driven belt wheel 85.

In the initial state, the liquid coating control block 12 is located at the extreme position far away from one end of the symmetry center, the telescopic shaft 14 retracts into the sleeve 13 to the maximum extent, the thread block 18 and the liquid spraying block 17 are located in the positioning cavity 16, the conveying support block 23 is located at the front extreme position, the clamping plate 59 is located at the extreme position far away from one end of the symmetry center, the transmission spur gear 65 and the driving transmission spur gear 76 are in a meshed state, the switching block 67 is located at the front extreme position, the driving spur gear 77 and the meshed transmission spur gear 79 are not meshed, and the driving meshed bevel gear 81 and the driven meshed bevel gear 83 are not meshed.

When liquid needs to be applied to the interior of the wheel hub, the wheel hub is firstly placed at the upper end of the conveying support block 23 in a bilateral symmetry mode, then the switching motor 71 is started, the driving transmission bevel gear 73 is driven to rotate, the driven transmission bevel gear 74 is driven to rotate through gear meshing, the driving transmission spur gear 76 is driven to rotate, the transmission spur gear 65 is driven to rotate through gear meshing, the driven transmission spur gear 64 is driven to rotate through gear meshing, the electric bidirectional cam 55 rotates ninety degrees, the small circular part of the bidirectional cam 55 abuts against the top plate 56, at the moment, the reset block 61 moves towards the direction close to the symmetry center under the elastic force of the reset spring 62, the top plate 56 is driven to approach each other, the clamping plates 59 are driven to approach each other through the guide sliding blocks 58, the front end and the rear end of the wheel hub are clamped to a certain degree, and in the process, the switching motor 71 drives the, then the rack 68 is driven to move backwards through the gear-rack meshing, and then the switching block 67 is driven to move backwards, at this time, the driving spur gear 77 is meshed with the meshing transmission spur gear 79, at this time, the control motor 87 is started, and then the control motor 87 is driven to rotate, and then the meshing transmission spur gear 79 is driven to rotate through the gear meshing, and further the driven spur gear 80 is driven to rotate through the gear meshing, and further the conveying screw 52 is driven to rotate, and further the conveying block 53 is driven to move backwards through the gear meshing, and further the conveying support block 23 is driven to move backwards, and further the hub is conveyed backwards, when the left and right ends of the hub are opposite to the positioning cavity 16, at this time, the switching motor 71 is continuously started, and further the switching block 67 is driven to move backwards, at this time, the driving meshing bevel gear 81 is meshed with the driven meshing bevel gear 83, at this time, the control motor, then the driven bevel gear 83 is driven to rotate by gear engagement, the driven bevel gear enters and drives the driving belt pulley 84 to rotate, and then the driven belt pulley 85 is driven to rotate by the driving belt 86, and then the positioning screw 49 is driven to rotate, and then the positioning slide block 50 is driven to approach by threaded connection, and then the coating liquid control block 12 is driven to approach each other, and then the positioning block 15 is driven to approach each other, at this time, the left and right ends of the hub respectively extend into the positioning cavity 16 for positioning and fixing, at this time, the thread block 18 is engaged with the thread inside the hub, at this time, the power motor 22 is started, and then the spur gear 26 is driven to rotate, and then the spur ring 25 is driven to rotate by gear engagement, and then the sleeve 13 is driven to rotate, and then the telescopic shaft 14 is driven to rotate by the spline block 41, and then the telescopic shaft 14 and the liquid spray block 17, at the same time, the telescopic shaft 14 slowly extends into the positioning cavity 16, and drives the liquid spray block 17 to rotate, and extends into the wheel hub once, at the same time, the power motor 22 drives the ratchet 28 to rotate, and further drives the inner ratchet 29 to rotate through one-way engagement, and further drives the driving bevel gear 30 to rotate, and further drives the driven bevel gear 31 to rotate through gear engagement, and further drives the driving pulley 33 to rotate, and further drives the driven pulley 34 to rotate through the power belt 35, and further drives the liquid supply vane 21 to rotate through the driving shaft 36, and further draws in the protection liquid from the liquid inlet channel 45, and then conveys the protection liquid into the pipeline 38 through the liquid outlet channel 46, and further conveys the protection liquid into the spraying cavity 43 through the liquid through hole 42, at the moment, the protection liquid is sprayed onto the inner wall of the wheel hub through the nozzle 47, and is simultaneously coated through the coating block 44, only a second application is made by the applicator block 44.

It will be apparent to those skilled in the art that various modifications may be made to the above embodiments without departing from the general spirit and concept of the invention. All falling within the scope of protection of the present invention. The protection scheme of the invention is subject to the appended claims.

Claims

1. A hub spraying device comprises a main body, wherein liquid coating control blocks are arranged on the upper end of the main body in a bilateral symmetry mode in a sliding fit mode, a liquid coating device is arranged in each liquid coating control block, a moving device is arranged in the main body, the front side of the moving device is provided with a control device, each liquid coating device comprises a sleeve which is arranged in the main body in a left-right penetrating and rotating mode, a telescopic shaft is connected in the sleeve in a spline fit mode, a positioning block is fixedly arranged on one side end face, close to a symmetric center, of each liquid coating control block, a positioning cavity with an opening towards the center direction is formed in the positioning block, one end, close to the center, of the telescopic shaft extends into the sleeve, a liquid spraying block is fixedly arranged in the sleeve, one end, far away from the center, of the liquid spraying block is provided with a thread block fixedly arranged on the outer side of the telescopic, then the telescopic shaft is driven to rotate, the telescopic shaft moves towards the center direction through the thread matching of the thread block and the inner part of the wheel hub, the protective liquid is sprayed on the inner thread of the wheel hub through the liquid spraying block, then the liquid spraying block is driven to stretch in the wheel hub through the thread block, the end, far away from the center, of the liquid spraying control block is fixedly provided with a fixed block, a liquid supplying cavity is arranged in the fixed block, a liquid supplying blade is rotatably arranged in the liquid supplying cavity, a power motor is fixedly arranged in the liquid spraying control block, the power motor drives the telescopic shaft and the liquid supplying blade to rotate through a transmission mechanism, the liquid spraying block stretches into the wheel hub at one side, the protective liquid is sprayed at the other side, the moving device is divided into two parts, one part drives the liquid spraying control block to move, a conveying support block is arranged in the middle of the upper end of the main body in, the control device controls not only the moving device but also the clamping device.

2. A hub spraying apparatus according to claim 1, wherein: the liquid coating device comprises a liquid coating control block which is bilaterally symmetrical and is arranged at the rear end of the end face on the upper side of the main body in a sliding manner, the sleeve is arranged in the liquid coating control block in a penetrating manner and can be rotationally arranged in the liquid coating control block, a straight-tooth transmission cavity is arranged in the liquid coating control block, the sleeve penetrates through the outer side of the part of the straight-tooth transmission cavity and is fixedly provided with a straight-tooth ring, the lower end of the straight-tooth ring is provided with a straight-tooth gear meshed with the straight-tooth ring, a power motor is fixedly arranged in the inner wall of the lower end of the straight-tooth transmission cavity at one side far away from the center of symmetry, one end of the power motor close to the center of symmetry is connected with the straight-tooth gear through a rotating shaft power, one side of the power motor far away from the center is provided, the lower end of the driving bevel gear is provided with a driven bevel gear engaged with the driving bevel gear, the lower side of the transmission cavity is provided with a belt wheel cavity communicated with and arranged in the fixed block, the lower end of the driven bevel gear is fixedly provided with a driving belt wheel through a rotating shaft extending into the belt wheel cavity, one side of the driving belt wheel, which is far away from the center, is rotatably provided with a driven belt wheel, a power belt is wound between the driving belt wheel and the driven belt wheel, the liquid supply cavity is arranged above the driven belt wheel, the upper end of the driven belt wheel is fixedly provided with a driving shaft extending into the liquid supply cavity, the annular array of liquid supply blades is fixedly arranged on the outer side of the driving shaft, one side of the liquid supply cavity, which is close to the center, is communicated with a liquid outlet channel communicated with the outside, one end of the fixed block, which is, the lower end of the pipeline is communicated with the liquid outlet channel, an extending cavity with an opening towards the center is arranged at the upper end in the fixed block, one end of the sleeve far away from the center extends into the extending cavity, the telescopic shaft penetrates left and right and is arranged in the sleeve in a sliding manner, spline grooves are symmetrically arranged on the upper side and the lower side of the telescopic shaft in the sleeve, spline blocks extending into the spline grooves are symmetrically and fixedly arranged at the upper end and the lower end of the telescopic shaft, the upper end of the elastic tube extends to one end of the telescopic shaft far away from the center and is connected with the end of the telescopic shaft in a rotating fit manner, a liquid through hole with an opening towards the center is communicated with the pipeline in the telescopic shaft, one end of the telescopic shaft close to the center extends into the positioning cavity and is fixedly connected onto one side end face of the liquid spraying block far away from the center, a spraying cavity communicated with the liquid through hole is arranged in the liquid spraying cavity, the outer side of the circumference of the liquid spraying block is fixedly provided with a smearing block, and the thread block is fixedly arranged on the end face of one side, far away from the center, of the liquid spraying block.

3. A hub spraying apparatus according to claim 1, wherein: the mobile device include bilateral symmetry and opening upwards set up in smooth chamber in the location in the main part, the rotatable positioning screw that is equipped with in smooth intracavity in location, positioning screw connect in controlling means, the smooth intracavity slidable in location be equipped with threaded connection in positioning screw and upper end link firmly in the location slider of terminal surface under the scribble liquid control block, main part up end mid portion carries the chamber, the rotatable conveying screw that is equipped with of conveying intracavity, conveying screw connect in controlling means, the smooth threaded connection that is equipped with of conveying intracavity in conveying screw's transport piece, the transport tray set firmly in the transport piece upper end.

4. A hub spraying apparatus according to claim 3, wherein: the clamping device comprises a cam cavity arranged in a top plate, a bidirectional cam is rotatably arranged in the cam cavity, the front end and the rear end of the bidirectional cam are abutted to each other and are provided with a top plate arranged in the cam cavity in a sliding manner, the front end and the rear end of the upper side of the cam cavity are symmetrical and communicated with a guide chute with an upward opening, the upper end surface of the top plate is fixedly provided with a guide block arranged in the guide chute in a sliding manner, the upper end of the guide block is fixedly provided with a clamping plate, the front end and the rear end of the lower side of the cam cavity are symmetrical and are communicated with a reset groove, the lower end of the top plate is fixedly provided with a reset block extending into the reset groove, a reset spring is fixedly connected between one end of the reset block far away from the symmetry center and the inner wall of the reset groove far away from the symmetry center, a straight-tooth transmission cavity with a leftward, the front end of the driven transmission straight gear is provided with a transmission straight gear meshed with the driven transmission straight gear in a one-way mode, and the transmission straight gear is connected to the control device.

5. A hub spraying apparatus according to claim 4, wherein: the control device comprises a switching cavity arranged at the inner front side of the main body, a switching block is slidably arranged in the switching cavity, a rack is fixedly arranged in the upper end face of the switching block, a rack gear cavity is formed in the upper side of the switching cavity in a communicating manner, a rack gear meshed with the rack is rotatably arranged in the rack gear cavity, a switching motor connected with the rack gear in a power connection manner is fixedly arranged at the left side of the rack gear cavity, a bevel gear meshing cavity is arranged at the left side of the switching motor, the left end of the switching motor is connected with a driving transmission bevel gear through a rotating shaft extending into the bevel gear meshing cavity in a power matching manner, a driven transmission bevel gear capable of being meshed with the driving transmission bevel gear is arranged at the upper end of the driving transmission bevel gear, an opening at the upper side of the bevel gear meshing cavity is arranged rightwards and corresponds to the straight gear transmission cavity, and a driving transmission straight gear capable of being meshed with the transmission straight, the switching block is internally and fixedly provided with a control motor, the front side of the switching block is provided with a driving straight gear which is connected with the control motor in a power fit manner, the upper side of the switching cavity is communicated with a straight-gear meshed transmission cavity, the lower side of the inside of the straight-gear meshed transmission cavity is rotatably provided with a meshed transmission straight gear which can be meshed with the driving straight gear, the upper end of the meshed transmission straight gear is provided with a driven straight gear which is meshed with the transmission straight gear, the front end of a conveying screw is fixedly connected onto the rear end face of the driven straight gear, the rear side of the switching block is provided with a driving meshed bevel gear which is connected with the control motor in a power fit manner, the rear side of the switching cavity is communicated with a belt wheel transmission cavity, the inside of the belt wheel transmission cavity is rotatably provided with a driven meshed bevel gear which can be meshed, the rear side of the driving transmission belt wheel is rotatably provided with a driven transmission belt wheel, a transmission belt is wound between the driven transmission belt wheel and the driving transmission belt wheel, and one end, close to the symmetry center, of the positioning screw rod is fixedly connected with the driven transmission belt wheel.