CN109482384B

CN109482384B - Automatic spraying device for oil spraying pipe of shaft or automobile engine

Info

Publication number: CN109482384B
Application number: CN201811121772.5A
Authority: CN
Inventors: 蒋华军; 严锡华; 韩斌; 吴伟峰
Original assignee: Changzhou Junhe Coating Project Co ltd
Current assignee: Changzhou Junhe Coating Project Co ltd
Priority date: 2018-09-26
Filing date: 2018-09-26
Publication date: 2020-07-14
Anticipated expiration: 2038-09-26
Also published as: CN109482384A

Abstract

The invention discloses an automatic spraying device for an oil injection pipe of a shaft or an automobile engine, which comprises: a spraying mechanism for spraying paint to the shaft or the oil spraying pipe; the conveying mechanism is used for conveying the shaft or the oil spraying pipe to a paint spraying station of the spraying mechanism and comprises a first driving mechanism and a rotary supporting mechanism for supporting the shaft or the oil spraying pipe, and one end of the rotary supporting mechanism is connected with the first driving mechanism; and the second driving mechanism drives the plurality of rotary supporting mechanisms to rotate simultaneously so as to drive the plurality of shafts or the oil spraying pipes to rotate in the paint spraying process. The invention can spray a plurality of shafts or oil spraying pipes at one time, and has the characteristics of high production efficiency and no material mixing among batches, thereby being convenient for quality tracking.

Description

Automatic spraying device for oil spraying pipe of shaft or automobile engine

Technical Field

The invention relates to the technical field of workpiece spraying, in particular to an automatic spraying device for an oil spraying pipe of a shaft or an automobile engine.

Background

In recent years, with rapid development of industry, demands for various types of machine parts have been increasing, for example, shaft parts, and in order to prevent rust of the parts, it is necessary to perform rust prevention treatment on the parts, and it is common practice to paint the parts.

CN205628422U discloses an automatic coating device of car brake disc, this automatic coating device has used industrial robot, the brake disc work piece spouts the room along with pan feeding conveying chain transport, after the sensor detected the work piece to be in place, positioning mechanism fixes a position it, transfer robot gets the material, then place on 180 revolving stages, the revolving stages rotates 180, on rotating the work piece to the spraying station, spraying robot begins the spraying, after the spraying is accomplished, the revolving stages rotates 180 once more, two robots are worked simultaneously this moment, transfer robot begins the unloading, send the brake disc that has spouted to ejection of compact conveying line and toast, after the unloading, begin the material loading, spraying robot still continues the spraying, get into the circulation mode. The coating device is suitable for spraying disc workpieces and is not suitable for spraying shaft parts.

CN204710736U discloses a gear shaft spraying machinery automation assembly line, and the application method of this automation assembly line is: the worker firstly puts the workpiece in the workpiece frame on the material conveying assembly line, the material conveying assembly line drives the workpiece to move forwards, firstly, the spray gun is used for spraying the workpiece, and the motor drives the workpiece to rotate to carry out whole-body spraying in the spraying process. And after the workpieces are sprayed, the workpieces are sent into an oven to be baked, the CCD monitoring device detects the workpieces, after unqualified workpieces are found, the lifting cylinder II controls the gripper II to clamp unqualified products and send the unqualified products to an unqualified production line, and the qualified workpieces continue to move forward. And finally, the qualified workpiece is grabbed and transferred into the movable workpiece frame by the first gripper below the first lifting cylinder, and the movable workpiece frame is transferred to the upper surface of the material receiving trolley and is separated from the material receiving trolley. Obviously, when the automatic assembly line is used for spraying, each gear shaft needs to be driven to rotate by one motor, if a plurality of gear shafts are sprayed simultaneously, a plurality of motors are needed to drive, the input cost of equipment is not reduced, and the motors need to occupy more space.

Disclosure of Invention

The invention aims to provide an automatic spraying device for a shaft or an oil spraying pipe of an automobile engine, which can be used for spraying a plurality of shafts or oil spraying pipes at one time and has the characteristic of low cost.

The technical scheme for solving the technical problems is as follows:

automatic spraying device of axle or automobile engine fuel sprayer, include:

a spraying mechanism for spraying paint to the shaft or the oil spraying pipe; and

the conveying mechanism is used for conveying the shaft or the oil spraying pipe to a paint spraying station of the spraying mechanism and comprises a first driving mechanism and a rotary supporting mechanism for supporting the shaft or the oil spraying pipe, and one end of the rotary supporting mechanism is connected with the first driving mechanism; and

and the second driving mechanism drives the plurality of rotary supporting mechanisms to rotate simultaneously so as to drive the plurality of shafts or the oil spraying pipe to rotate in the paint spraying process.

The rotary support mechanism is matched with the second driving mechanism, when the second driving mechanism works, the rotary support mechanisms can be driven to rotate simultaneously, so that the shafts or the oil spraying pipes are driven to rotate, and the spraying mechanism can spray paint on the shafts or the oil spraying pipes at the same time, so that the thickness of a paint layer is uniform, the floor area of a production workshop is reduced, only one second driving mechanism is needed, and the rotary support mechanism has the advantage of low cost.

Drawings

FIG. 1 is a schematic plan view of the entire automatic coating apparatus of the present invention;

FIG. 2 is a schematic view of a conveying mechanism and a spraying mechanism in the automatic spraying apparatus of the present invention;

FIG. 3 is a cross-sectional view taken along line M-M of FIG. 2;

FIG. 4 is a cross-sectional view taken along line N-N of FIG. 2;

fig. 5 is an enlarged view of portion L in fig. 4;

FIG. 6 is a schematic view of the assembly of a shaft or spray bar with a connecting rod assembly using an assembly tool;

FIG. 7 is a schematic view of a connecting rod assembly of the present invention;

FIG. 8 is a schematic view of a second drive mechanism of the present invention;

FIG. 9 is a schematic view of a handling mechanism in the present invention;

FIG. 10 is a schematic view of a drying mechanism in the present invention;

FIG. 11 is a schematic view of an oil immersion mechanism in the present invention;

description of the reference symbols in the drawings:

a is a shaft or an oil spraying pipe, B is a workpiece blue frame, C is a pneumatic wrench, and D is a transfer robot; e is a spraying mechanism, F is a conveying mechanism, G is a second driving mechanism, H is a drying mechanism, I is an oil immersion mechanism, J is a carrying mechanism, and K is a cleaning mechanism.

10 is a conveying mechanism;

20 is a bracket, 21 is a traction chain, 21a is an inner chain plate, 21b is an outer chain plate, 21c is a hollow pin shaft, 21d is an outer sleeve, 21e is a roller, 21f is a rod-shaped part, 21g is a nut, 21h is a limiting part, 22 is a driving sprocket, 23 is a driven sprocket, 24 is a first motor, 25 is a connecting seat, 26 is a rolling part, 27 is a mandrel, 28 is a rotating shaft sleeve, 29 is a socket shaft sleeve, 30 is a clamping part, 31 is a sliding block, 32 is a limiting part, 33 is a first elastic part, 34 is a connecting rod, 35 is a radial protrusion, and 35a is a shielding part;

36 is a first rotating sleeve body, 36a is a connector, 36b is a chute, 37 is a second rotating sleeve, 37a is a sliding part, 37b is a connecting part, 38 is a first spring, and 39 is a guide rod;

40 is a transmission belt, 41 is a second motor, 42 is a belt wheel, and 43 is a tensioning mechanism;

50 is a frame, 51 is a translation driving mechanism, 52 is a lifting driving mechanism, 53 is an air cylinder, and 54 is a hook;

60 is a drying tunnel, 61 is a third transmission mechanism, 62 is a supporting rod, and 63 is a first supporting frame;

70 is the first frame, and 70a is the upper segment, and 71 is the first translation mechanism, and 72 is first elevating system, and 73 is first cylinder, and 74 is first hook, and 75 is the frame that soaks oil, and 75a is first jack, and 76 is the oil bath, and 77 is the oil drain pond, and 78 is the vacuum chamber, and 79 is the lower segment.

Detailed Description

As shown in fig. 1 and 2, the automatic coating apparatus for a shaft or an oil spray pipe a of an automobile engine according to the present invention includes: the spraying mechanism, the conveying mechanism and the second driving mechanism are explained in detail below:

as shown in fig. 1 and 2, the spraying mechanism E sprays paint on the shaft or the oil spray pipe a, and the spraying mechanism E preferably adopts a structure including a paint spray booth and a spraying robot installed in the paint spray booth, and after the shaft or the oil spray pipe a is conveyed into the paint spray booth by the conveying mechanism, the shaft or the oil spray pipe a to be sprayed is driven to rotate by the second driving mechanism, and the spraying robot sprays paint onto the rotating shaft or the oil spray pipe a.

As shown in fig. 1 to 8, the conveying mechanism conveys the shaft or the oil spray pipe a to a paint spraying station of the spraying mechanism E, the conveying mechanism includes a first driving mechanism and a rotary supporting mechanism for supporting the shaft or the oil spray pipe a, one end of the rotary supporting mechanism is connected with the first driving mechanism, the first driving mechanism drives the rotary supporting mechanism to move, and the shaft or the oil spray pipe a mounted on the rotary supporting mechanism moves along with the rotary supporting mechanism. Since the conveying mechanism F of the present embodiment is composed of a painting booth and a painting robot (not shown) installed in the painting booth, the conveying mechanism passes through the painting mechanism E.

As shown in fig. 2 to 5, the first driving mechanism preferably includes a support 20, a drag chain 21, a driving sprocket 22, a driven sprocket 23, and a first motor 24, the drag chain 21 is annularly disposed on the support 20, the drag chain 21 is respectively matched with the driving sprocket 22 and the driven sprocket 23, the driving sprocket 22 is connected to the first motor 24, the first motor 24 includes a first motor body and a speed reducer connected to an output end of the first motor body, and the driving sprocket 22 is connected to an output end of the speed reducer.

As shown in fig. 2 to 5, the chain guide chain 21 includes a plurality of chain links, a connecting portion of two adjacent chain links includes an inner chain plate 21a, an outer chain plate 21b, a hollow pin 21c, an outer sleeve 21d, a roller 21e, and a connecting member, two ends of the hollow pin 21c respectively pass through the inner chain plate 21a and the outer chain plate 21b, the outer sleeve 21d is sleeved on the hollow lock shaft 21c, two ends of the outer sleeve 21d pass through the inner chain plate 21a and then abut against an inner side surface of the outer chain plate 21b, the roller 21e is sleeved on the outer sleeve 21d in an empty manner, after the connecting member passes through the hollow pin 21c, the connecting member enables the hollow pin 21c, the inner chain plate 21a, and the outer chain plate 21b to form an articulated joint, and one end of the.

As shown in fig. 2 to 5, the connecting member includes a rod member 21f and a nut 21g, at least one end of the rod member 21f is provided with a thread, a shaft of the rod member 21f is provided with a stop member 21h, one end of the rod member 21f passes through the hollow pin 21c and then is connected with the nut, and the hollow pin 21c, the inner link plate 21a and the outer link plate 21b are located between the nut 21g and the stop member, so that the hollow pin 21c, the inner link plate 21a and the outer link plate 21b are hinged.

As shown in fig. 2 to 5, the limiting part 21h is a boss protruding in the radial direction of the rod-shaped part, preferably, the other end of the rod-shaped part 21f is also provided with a thread, and the other end of the rod-shaped part 21f is connected with the connecting nut after passing through the rotation supporting mechanism, so that the rotation supporting mechanism is clamped between the limiting part 21h and the connecting nut. The rod-like member 21f may be directly screwed to a screw hole provided in the rotation support mechanism by a screw thread at the other end.

As shown in fig. 2 to 5, the slewing support mechanism includes: the connecting assembly comprises a connecting seat 25, the connecting seat 25 is fixedly connected with the traction chain 21, preferably, a through hole is arranged on the connecting seat 25, and a rod-shaped part 21f in the traction chain 21 penetrates through the connecting seat 25 and then is connected with a connecting nut, so that the connecting seat 25 is clamped between a limiting part 21h and the connecting nut.

As shown in fig. 2 to 5, the connecting assembly further includes rolling members 26, the rolling members 26 are mounted on both ends of the connecting seat 25, and the rolling members 26 bear the weight of the connecting seat 25 and the spindle and first bushing, and stabilize the swing support mechanism during movement with the chain guide 21. The support 20 is provided with a track, which is also annular. The rolling members 26 cooperate with the track such that the arrangement of the rolling members 26 along the track performs a rolling motion. The rolling members 26 preferably employ cam followers. The rolling member 26 may also be composed of a shaft, one end of which is connected with the bearing, and a bearing, the other end of which is connected with the connection seat 25.

As shown in fig. 2 to 5, one end of the mandrel 27 is fixedly connected to the connecting assembly, and one end of the mandrel 27 is fixedly connected to the connecting seat 25, the fixed connection may be performed by welding, or by using a screw, for example, a flange having a first through hole is provided at one end of the mandrel 27, and a screw hole is provided on the connecting seat 25, and the screw is threaded to the screw hole on the connecting seat 25 after passing through the through hole on the flange.

As shown in fig. 2 to 5, one end of the first sleeve is rotatably mounted on the spindle 27, for example, a first bearing is mounted on the spindle 27, and the first sleeve is engaged with the first bearing. The other end of the first sleeve is provided with a clamping mechanism which is arranged along the radial direction of the first sleeve. The circumferential surface of the other end of the first sleeve pipe is provided with a mounting hole penetrating through the inner hole of the first sleeve pipe, and the clamping mechanism is located in the mounting hole. After a part insert is inserted into the first sleeve, the part is clamped by a clamping mechanism. The number of the holding mechanisms in this embodiment is plural, and 3 are preferably used.

As shown in fig. 2 to 5, the first sleeve preferably has a structure of: the rotary shaft sleeve 28 and the socket shaft sleeve 29 are included, one end of the rotary shaft sleeve 28 is fixedly connected with one end of the socket shaft sleeve 29, and after one end of the socket shaft sleeve 29 is inserted into the rotary shaft sleeve 28, the rotary shaft sleeve 28 and the socket shaft sleeve 29 are fixedly connected by screws preferentially. The mounting hole is located on the peripheral surface of the other end of the receptacle boss 29 so that the chucking mechanism is mounted on the receptacle boss 29.

As shown in fig. 2 to 5, the clamping mechanism includes a clamping member 30, a spring, and a blocking member, the clamping member abuts against or is connected to one end of the spring, the other end of the spring abuts against or is connected to the blocking member, the blocking member is located in a mounting hole on the first sleeve and is fixed to the first sleeve, and the clamping member 30 makes a part of the clamping member 30 located in an inner hole of the first sleeve under the action of the spring. The clamping member 30 preferably comprises a steel ball and the blocking member preferably comprises a screw.

As shown in fig. 2 to 5, when the part is inserted into the first sleeve, the part generates a pressing force on the clamping member 30 to displace the clamping member 30 in the direction of the blocking member, and after the part reaches a desired position, the clamping member 30 and the part are kept in contact with each other under the action of the spring, so that the part obtains a clamping force.

As shown in fig. 2 to 5, the rotation support mechanism further includes an elastic guide assembly disposed in the inner hole of the first sleeve, and the elastic guide assembly guides and cushions a part inserted into the inner hole of the first sleeve, the part including the shaft a or a connecting rod 34 described below.

As shown in fig. 2 to 5, the elastic guide assembly includes: the sliding block 31 is in clearance fit in an inner hole of the first sleeve, and the limiting part 32 is arranged in the inner hole of the first sleeve; preferably, the sliding block 31 is in clearance fit in the socket shaft sleeve 29, the limiting part 32 is located in the rotating shaft sleeve 28 and the axial end of the socket shaft sleeve 29 is fixed, the limiting part 32 preferably adopts a stopper, one end of the first elastic part 33 is connected with or abuts against the sliding block 31, and the other end of the first elastic part 33 is connected with or abuts against the limiting part 31.

As shown in fig. 2 to 5, after the part is inserted into the socket boss 29, the end of the part abuts against the sliding block 31, the sliding block 31 slides in the socket boss 29, so that the first elastic member 33 is deformed under pressure, and due to the existence of the sliding block 31, the limiting member 32 and the first elastic member 33, the part obtains a buffering acting force when being inserted into the socket boss 29, and avoids generating a large impact on the part.

As shown in fig. 2 to 5, the end of the sliding block 30 abutting against the component is provided with a groove, which is preferably tapered, and the tapered groove not only facilitates centering of the component inserted into the socket sleeve 29, but also facilitates receiving end shapes of different components.

As shown in fig. 2 to 5, for some shafts, only a part of the shaft is painted, for example, one end of the shaft is painted, so that the other end of the shaft can be directly inserted into the first sleeve and clamped by the clamping mechanism. For the parts which do not need to be painted, the invention is also provided with a shielding part 35a, and the parts which do not need to be painted are shielded by the shielding part 35 a. For some shafts or oil spraying pipes a, paint needs to be sprayed on the whole, and the shafts or oil spraying pipes a which need to be sprayed on the whole cannot be directly inserted into the first sleeve, so in the invention, the rotary support mechanism further comprises a connecting rod assembly, the connecting rod assembly comprises a connecting rod 34 and a connecting part 35 connected with the shafts or the oil spraying pipes a, the connecting part 35 is arranged on the connecting rod, preferably, the connecting part 35 is a sleeve cap which is sleeved on the connecting rod 34 in an empty mode, internal threads are arranged on the sleeve cap, external threads are arranged on the shafts or the oil spraying pipes a, and the sleeve cap is connected with the shafts or the oil spraying pipes a through threads. And the connecting rod 34 is provided with a radial bulge 35, and after the sleeve cap and the shaft or the oil injection pipe A are threaded, the sleeve cap surrounds the periphery of the radial bulge 35 and is limited by the radial bulge, so that the connecting rod 34 and the shaft or the oil injection pipe A are fastened into a whole.

As shown in fig. 6 and 7, in order to facilitate the assembly of the shaft or the oil spray pipe a, in one or more embodiments, an assembly fixture for connecting the shaft or the oil spray pipe a with the connecting rod assembly is further provided, and the assembly fixture includes: first commentaries on classics cover, second commentaries on classics cover, elastic component, the structure that first commentaries on classics cover preferentially adopted includes first commentaries on classics cover body 36 and with first commentaries on classics cover body 36 fixed and have the connector 36a of polygon hole. The circumferential surface of the first rotating sleeve is provided with a sliding groove 36b extending along the axial direction of the first rotating sleeve, and preferably, the sliding groove 36b is positioned on the first rotating sleeve body 36.

As shown in fig. 6 and 7, one end of the second rotating sleeve 37 is loosely fitted into the first rotating sleeve, and the second rotating sleeve 37 is preferably made of rubber or plastic material to prevent the second rotating sleeve 37 from damaging the connecting member 35. One end of the second rotating sleeve 37 is in clearance fit with the first rotating sleeve body 36, one end of the second rotating sleeve 37 is provided with a sliding component 37a, the sliding component 37a is in clearance fit with a sliding groove 36b on the first rotating sleeve, the other end of the second rotating sleeve 37 is provided with a connecting part 37b matched with the connecting part 35, the connecting part 35 is a sleeve cap, the peripheral surface of the sleeve cap is polygonal, the connecting part 37b is a connecting sleeve with an inner polygon, and after the connecting part 37b is sleeved on the connecting part 35, the second rotating sleeve 37 is rotated, namely, the connecting part 35 can be rotated through the connecting part 37b, so that the connecting part 35 is in threaded connection with the shaft or the oil spraying pipe A.

As shown in fig. 6 and 7, one end of the elastic member is connected to one end of the first rotating sleeve, and the other end of the elastic member is connected to one end of the second rotating sleeve 37. The elastic assembly comprises a first spring 38 and a guide rod 39, wherein one end of the first spring 38 is connected with the first rotating sleeve, preferably, one end of the first spring 38 is connected with a connector 36a in the first rotating sleeve, one end of the guide rod 39 is connected with one end of the second rotating sleeve 37, the first spring 38 is sleeved on the guide rod 39, and the other end of the first spring 38 is connected with one end of the second rotating sleeve 37.

As shown in fig. 6 and 7, in the process of connecting the connecting rod 34 with the shaft or the oil spraying pipe a, one end of the shaft or the oil spraying pipe a is inserted into the workpiece blue frame B in advance, after the connecting component 35 sleeved on the connecting rod 34 and the shaft or the oil spraying pipe a are pre-screwed through the assembling tool, the air wrench C is inserted into the inner hole of the connecting head 36a, the air wrench C works to rotate the first rotating sleeve, and further rotate the second rotating sleeve 37, so that the connecting component 35 is in threaded connection with the shaft or the oil spraying pipe a. The first spring 38 and the guide rod 39 can provide a buffering force to the second rotating sleeve 37, thereby preventing the second rotating sleeve 37 from damaging the connecting member 35.

As shown in fig. 2 and 8, the second driving mechanism simultaneously drives the plurality of rotary supporting mechanisms to rotate so as to drive the plurality of shafts or the oil spraying pipes a to rotate in the paint spraying process, so that the shafts or the oil spraying pipes a obtain a uniform paint spraying layer. The second driving mechanism comprises a transmission belt 40, a second motor 41, a belt wheel 42 and a tensioning mechanism 43, the transmission belt 40 is respectively matched with the output end of the second motor 41, the belt wheel 42 and the tensioning mechanism 43, and the transmission belt 42 is matched with the rotary supporting mechanism under the tensioning action of the tensioning mechanism 43. The tensioning mechanism 43 is composed of a tensioning wheel and a support frame for mounting the tensioning wheel.

As shown in fig. 2 and 8, the transmission belt 40 is preferentially engaged with the rotating shaft sleeve 28 in the rotary supporting mechanism under the tensioning action of the tensioning mechanism 43, when the second motor 41 works, the second motor 41 drives the transmission belt 40 to move, the transmission belt 40 makes the rotating shaft sleeve 28 rotate through friction force, the rotating shaft sleeve 28 drives the socket shaft sleeve 29 to rotate, and the socket shaft sleeve 29 drives the connecting rod assembly and the shaft or the oil spraying pipe a connected with the connecting assembly to rotate. In the present invention, since the space of the painting booth is limited, it is not possible to simultaneously rotate all the rotary supporting mechanisms installed on the first driving mechanism, and thus, only the rotary supporting mechanism in contact with the driving belt 40 is rotated, and in this embodiment, the second driving mechanism operates to rotate 5 rotary supporting mechanisms at a time, so that 5 shafts or the oil spray pipes a can be painted at a time.

As shown in fig. 1, 2 and 9, the automatic spray coating device of the present invention further includes: the cleaning mechanism K is positioned at the upstream of the first driving mechanism, and the conveying mechanism is positioned at the upstream of the cleaning mechanism K.

As shown in fig. 1, 2 and 9, the conveying mechanism J includes a workpiece basket B, a frame 50, a translation driving mechanism 51, a lifting driving mechanism 52, an air cylinder 53 and a hook 54, the translation driving mechanism 51 is mounted on the frame 50, the lifting driving mechanism 52 is connected to an output end of the translation driving mechanism 51, the air cylinder 53 is connected to an output end of the lifting driving mechanism 52, and the hook 54 is connected to an output end of the air cylinder 53. The workpiece blue frame B is provided with a plurality of jacks for inserting the shaft or the oil injection pipe A. The translation drive mechanism 51 and the elevation drive mechanism 52 employ a screw mechanism and/or a rack-and-pinion mechanism.

As shown in fig. 1, 2 and 9, during transportation, a shaft or an oil spray pipe a is inserted into an insertion hole in a workpiece blue frame B, after the workpiece blue frame B reaches a lower lifting driving mechanism 52, the lifting driving mechanism 52 descends, an air cylinder 53 drives a hook 54 to move outwards, the hook 54 hooks the workpiece blue frame B, the lifting driving mechanism 52 drives the workpiece blue frame B to ascend, a translation driving mechanism 51 drives the lifting driving mechanism 52 to translate, so that the workpiece blue frame B translates, when the position is close to a cleaning mechanism K, the translation driving mechanism 51 stops working, the lifting driving mechanism 52 enables the workpiece blue frame B to descend, so that the workpiece blue frame B is close to the cleaning mechanism K, and then an operator puts the shaft or the oil spray pipe a into the cleaning mechanism K for cleaning.

As shown in fig. 1, the cleaning mechanism K may be a cleaning machine disclosed in publication No. CN106583330A, an ultrasonic workpiece cleaning machine disclosed in publication No. CN104550113A, or the like. After the cleaning is finished, the shaft or the oil spraying pipe A is connected with the connecting rod assembly, and then the connecting rod assembly is inserted into the first sleeve. And the workpiece blue frame B is returned to the home position by the transfer mechanism 10.

As shown in fig. 1, 2 and 10, the automatic spray coating device of the present invention further includes: the drying mechanism H is used for curing paint sprayed on the surface of the shaft or the oil spraying pipe A, and the oil immersion mechanism is used for immersing the dried shaft or the oil spraying pipe A in oil.

As shown in fig. 1, 2 and 10, the drying mechanism H includes a drying tunnel 60, a third transmission mechanism 61, a plurality of support rods 62 and a first support frame 63, the drying tunnel 60 and the third transmission mechanism 61 are disposed on the first support frame 63, the third transmission mechanism 61 preferably adopts a chain transmission mechanism, the third transmission mechanism 61 penetrates through the drying tunnel 60, two ends of the support rods 62 are respectively connected with the third transmission mechanism 61, and each support rod 62 is provided with a plurality of assembly holes. In operation, the connecting rod 34 is clamped by the transfer robot, the transfer robot moves the connecting rod and the shaft or the oil spraying pipe A mounted on the connecting rod, the connecting rod 34 is inserted into the assembling hole on the supporting rod 62, the supporting rod 62 moves along the arrangement direction of the drying tunnel 60 under the driving of the third transmission mechanism 61, and therefore the shaft or the oil spraying pipe A passes through the drying tunnel, and paint on the surface of the shaft or the oil spraying pipe A is dried and solidified.

As shown in fig. 1, 2, and 11, the oil immersion mechanism I includes a first frame 70, a first translation mechanism 71, a first lifting mechanism 72, a first cylinder 73, a first hook 74, an oil immersion frame 75, and an oil bath 76. The first translation mechanism 71 is mounted on the upper portion of the first frame 70, the first lifting mechanism 72 is connected to an output end of the first translation mechanism 71, the first air cylinder 74 is connected to an output end of the first lifting mechanism 72, and the first hook 74 is connected to an output end of the first air cylinder 73. The first translation mechanism 71 and the first lifting mechanism 72 employ a screw mechanism and/or a rack-and-pinion mechanism.

As shown in fig. 1, 2, and 11, an oil sump 76 is provided on the first frame 70. An upper section 70a is provided on the first frame 70, the upper section 70a is located upstream of the oil sump 76, and the upper section 70a is used for placing an oil immersion frame 75, so that an operator can insert a shaft or an oil spray pipe a into a first insertion hole 75a on the oil immersion frame 75.

As shown in fig. 1, 2 and 11, a plurality of first insertion holes 75a for inserting the shaft or the oil jet pipe a are provided in the oil immersion frame 75. The oil immersion frame 75 includes a socket 75b having a first insertion hole, a bottom plate 75c, and four side wall plates 75d, the four side wall plates 75d are connected end to end and then surround to form a rectangular sleeve, the bottom plate 75d is connected to one end of each side wall plate 75c, and a plurality of holes for oil to pass through are formed in the bottom plate 75d and each side wall plate 75 c. The sockets 75b are disposed in a rectangular sleeve, and the first insertion holes 75a are arranged in rows of five, four rows in total, so that twenty first insertion holes 75a are formed in one oil immersion frame 75. The structure of the work blue frame B is the same as that of the oil immersion frame 75.

As shown in fig. 1, 2 and 11, the shaft or the oil spraying pipe a is inserted into the first insertion hole 75a in the oil immersion frame 75, the first lifting mechanism 72 descends, the first cylinder 73 drives the first hook 74 to move outward, the first hook 74 hooks the oil immersion frame 75, the first lifting mechanism 72 drives the oil immersion frame 75 to ascend, the first translation mechanism 71 drives the first lifting mechanism 72 to translate to enable the oil immersion frame 75 to translate, after the oil immersion frame reaches the position above the oil pool 76, the first translation mechanism 71 stops working, the first lifting mechanism 72 enables the oil immersion frame 75 to descend and descend into the oil pool, and oil immersion is performed on the shaft or the oil spraying pipe a.

As shown in fig. 1, 2 and 11, the oil immersion mechanism I further includes an oil draining tank 77 disposed on the first frame 70, the oil draining tank being located downstream of the oil draining tank 76, and preferably, the oil draining tank is connected with the oil draining tank 76 through a pipeline. After the oil immersion of the shaft or the oil spraying pipe a, the oil immersion frame 75 and the shaft or the oil spraying pipe a are attached with oil, so that the oil immersion frame 75 is lifted by the first lifting mechanism 72, the first translation mechanism 71 enables the first lifting mechanism 72 to translate to the upper side of the oil leaching tank, the first lifting mechanism 72 lowers the oil immersion frame 75, the oil immersion frame 75 is placed in the oil leaching tank 77 to stand for a period of time, then the oil leaching of the oil immersion frame 75 and the shaft or the oil spraying pipe a is carried out, and the leached oil is discharged into the oil leaching tank 76 through a pipeline.

As shown in fig. 1, 2 and 11, the oil immersion mechanism I further includes a vacuum chamber 78 disposed on the first frame 70, the vacuum chamber 78 is located downstream of the oil drain tank 77, and the straight chamber 78 includes a vacuum chamber body and a vacuum pump connected to the vacuum chamber. Because some holes are arranged on the shaft or the oil spraying pipe A, when the shaft or the oil spraying pipe A is soaked in the oil pool 76, oil can not enter the holes, after the shaft or the oil spraying pipe A is soaked in the oil soaking pool 77, the oil can not be completely discharged from the holes, and some residual oil is also arranged on the oil soaking frame 75. Therefore, the oil immersion frame 75 after oil immersion is sent into the vertical chamber 78 by the first elevating mechanism 72 and the first translating mechanism 71, and the oil remaining in the hole and the oil remaining in the oil immersion frame 75 are sucked away by the negative pressure force generated by the vacuum pump.

As shown in fig. 1, 2 and 11, the oil immersion mechanism I further includes a lower section 79 provided on the first frame 70, the lower section 79 being located downstream of the vacuum chamber 78. After the oil immersion frame 75 and the shaft or the oil spraying pipe a in the vacuum chamber 78 are vacuumized, the oil immersion frame 75 is conveyed to the lower section 79 through the first lifting mechanism 72 and the first translation mechanism 71, and an operator takes out and packages the shaft or the oil spraying pipe a, so that the whole spraying work is completed.

The present invention is not limited to the above-described embodiments, for example:

(a) the first drive mechanism may also employ a belt drive mechanism.

(b) The first sleeve is not comprised of the rotary sleeve 28 and the receptacle sleeve 29, i.e. the first sleeve is a one-piece sleeve.

(c) The elastic guide assembly comprises a sliding block 31 and a first elastic part 33, the sliding block 31 is in clearance fit in an inner hole of the first sleeve, one end of the first elastic part 33 is connected with or abutted against the sliding block 31, and the other end of the first elastic part 33 is connected with or abutted against the mandrel 27.

(e) The second driving mechanism comprises a transmission chain, a second motor, a chain wheel and a transmission gear, the transmission chain is respectively matched with the output end of the second motor and the chain wheel, the transmission gear is installed in the rotary supporting mechanism and meshed with the transmission gear, and when the second motor works, the transmission chain drives the rotary supporting mechanism to rotate.

(f) The second driving mechanism comprises a linear driving mechanism, a mounting seat, a plurality of second motors and a plurality of friction wheels, the mounting seat is connected with the output end of the linear driving mechanism, the second motors are assembled on the mounting seat, the friction wheels are connected with the output end of the second motors, the linear driving mechanism drives the mounting seat to translate, the friction wheels are in contact with the rotary supporting mechanism, the second motors work to drive the friction wheels to rotate, and the friction wheels enable the rotary supporting mechanism to rotate through friction force.

(g) The second driving mechanism drive includes sharp actuating mechanism, mount pad, second motor, driving pulley, driven pulley, drive belt, and the mount pad is connected with sharp actuating mechanism's output, and the second motor assembly is on the mount pad, and driving pulley is connected with the output of second motor, and driven pulley rotationally installs on the mount pad, and drive belt and driving pulley and driven pulley cooperation. During operation, the linear driving mechanism drives the mounting seat to translate, so that the driving belt is in contact with the rotary supporting mechanism, the second motor drives the driving belt wheel to rotate, the driving belt wheel drives the driving belt to move, and the driving belt drives the rotary supporting mechanism to rotate through friction acting force.

The above description describes in detail the automatic painting device for the oil spray pipe a of the shaft or the automobile engine, however, the present invention also provides an automatic painting method for the oil spray pipe a of the shaft or the automobile engine, as shown in fig. 1 to 11, comprising:

conveying the shaft or the oil spraying pipe to a paint spraying station of a spraying mechanism through a conveying mechanism; a step of rotating the plurality of shafts or the oil jet pipes simultaneously by a second drive mechanism; and painting the surfaces of the plurality of rotating shafts or the oil spraying pipes by a painting mechanism. In the method of the present invention, the conveying mechanism preferably employs the conveying mechanism described in the automatic spray coating apparatus of the present invention; the second driving mechanism preferably adopts the second driving mechanism described in the automatic spray coating device in the invention; the painting mechanism preferably employs the painting mechanism described in the automatic painting apparatus of the present invention.

Further comprising: and carrying the shaft or the oil spraying pipe by adopting a carrying mechanism. The conveying mechanism preferably employs the conveying mechanism described in the automatic spray coating apparatus of the present invention.

Further comprising: and cleaning the shaft or the oil spraying pipe by a cleaning mechanism K. The cleaning mechanism K preferably employs the cleaning mechanism K described in the automatic spray coating apparatus of the present invention.

Further comprising: and connecting the shaft or the oil injection pipe with the connecting rod assembly by adopting an assembly tool. The assembly tool preferably adopts the assembly tool described in the automatic spraying device in the invention. The connecting rod assembly preferably employs the connecting rod assembly described in the automatic spray coating device of the present invention.

Further comprising: and sending the painted shaft or the oil spraying pipe to a drying mechanism to dry and solidify the paint. The drying and curing steps are preferably performed by using the drying mechanism described in the automatic spray coating apparatus of the present invention.

Further comprising: and sending the dried and solidified shaft or oil spraying pipe into an oil pool for oil immersion.

Further comprising: and sending the oil-immersed shaft or oil spraying pipe into an oil draining pool for oil draining.

Further comprising: and sending the oil-drained shaft or oil spraying pipe into a vacuum chamber for vacuumizing.

The oil immersion, oil draining and vacuum pumping are preferably completed by the oil immersion mechanism described in the automatic spraying device.

Claims

1. Automatic spraying device of axle or automobile engine fuel sprayer, its characterized in that includes:

the second driving mechanism drives the plurality of rotary supporting mechanisms to rotate simultaneously so as to drive the plurality of shafts or the oil spraying pipes to rotate in the paint spraying process;

the slewing support mechanism includes:

a connecting assembly connected with the first driving mechanism;

one end of the mandrel is fixedly connected with the connecting component;

the device comprises a first sleeve pipe with an inner hole, wherein one end of the first sleeve pipe is rotatably arranged on a mandrel, and the other end of the first sleeve pipe is provided with a clamping mechanism which is arranged along the radial direction of the first sleeve pipe;

slewing support mechanism still includes link assembly, and this link assembly includes:

a connecting rod;

the connecting part is connected with the shaft or the oil injection pipe and arranged on the connecting rod;

still include the assembly fixture who is connected axle or spout oil pipe and link assembly, assembly fixture and air wrench cooperation, this assembly fixture includes:

the peripheral surface of the first rotating sleeve is provided with a sliding chute which extends along the axial direction of the first rotating sleeve;

one end of the second rotating sleeve is in clearance fit with the first rotating sleeve, one end of the second rotating sleeve is provided with a sliding component, the sliding component is in clearance fit with the sliding groove in the first rotating sleeve, and the other end of the second rotating sleeve is provided with a connecting part matched with the connecting component;

one end of the elastic component is connected with one end of the first rotating sleeve, and the other end of the elastic component is connected with one end of the second rotating sleeve.

2. The automatic spraying device according to claim 1, wherein a mounting hole penetrating into the inner hole of the first sleeve is formed on the circumferential surface of the other end of the first sleeve, and the holding mechanism is located in the mounting hole.

3. The automated spray coating device of claim 1 wherein said rotatable support mechanism further comprises a resilient guide assembly disposed within the inner bore of the first sleeve.

4. The automated spray coating device of claim 1, wherein said first hub comprises:

a first sleeve body; and

and the connector is fixed with the first rotating sleeve body and is provided with a polygonal inner hole.

5. The automatic coating device according to any one of claims 1 to 4, wherein the second driving mechanism comprises a transmission belt, a second motor, a pulley and a tensioning mechanism, the transmission belt is respectively matched with the output end of the second motor, the pulley and the tensioning mechanism, and the transmission belt is matched with the rotary supporting mechanism under the tensioning action of the tensioning mechanism.

6. The automatic coating device according to any one of claims 1 to 4, further comprising:

a carrying mechanism for carrying the shaft or the oil spray pipe; and

a cleaning mechanism for cleaning the shaft or the oil spraying pipe sent by the conveying mechanism;

the cleaning mechanism is located at the upstream of the first driving mechanism, and the conveying mechanism is located at the upstream of the cleaning mechanism.

7. The automatic coating device according to any one of claims 1 to 4, further comprising:

a drying mechanism for solidifying the paint sprayed on the surface of the shaft or the oil spraying pipe, wherein the drying mechanism is positioned at the downstream of the first driving mechanism;

and the oil immersion mechanism is used for immersing the dried rear shaft or the oil injection pipe in oil and is positioned at the downstream of the drying mechanism.