CN112848818B - Automatic tyre mounting machine - Google Patents
Automatic tyre mounting machine Download PDFInfo
- Publication number
- CN112848818B CN112848818B CN202110320605.9A CN202110320605A CN112848818B CN 112848818 B CN112848818 B CN 112848818B CN 202110320605 A CN202110320605 A CN 202110320605A CN 112848818 B CN112848818 B CN 112848818B
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- turntable
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- 230000007246 mechanism Effects 0.000 claims abstract description 79
- 230000000903 blocking effect Effects 0.000 claims description 49
- 238000003825 pressing Methods 0.000 claims description 29
- 230000000670 limiting effect Effects 0.000 claims description 18
- 230000003068 static effect Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims 1
- 230000001681 protective effect Effects 0.000 description 7
- 230000008093 supporting effect Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 241000251468 Actinopterygii Species 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C25/00—Apparatus or tools adapted for mounting, removing or inspecting tyres
- B60C25/01—Apparatus or tools adapted for mounting, removing or inspecting tyres for removing tyres from or mounting tyres on wheels
- B60C25/05—Machines
- B60C25/0503—Machines for mounting only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C25/00—Apparatus or tools adapted for mounting, removing or inspecting tyres
- B60C25/01—Apparatus or tools adapted for mounting, removing or inspecting tyres for removing tyres from or mounting tyres on wheels
- B60C25/05—Machines
- B60C25/0515—Automated devices, e.g. mounting robots
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C25/00—Apparatus or tools adapted for mounting, removing or inspecting tyres
- B60C25/01—Apparatus or tools adapted for mounting, removing or inspecting tyres for removing tyres from or mounting tyres on wheels
- B60C25/05—Machines
- B60C25/0521—Handling of rim or tyre, e.g. lifting and positioning devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C25/00—Apparatus or tools adapted for mounting, removing or inspecting tyres
- B60C25/01—Apparatus or tools adapted for mounting, removing or inspecting tyres for removing tyres from or mounting tyres on wheels
- B60C25/05—Machines
- B60C25/053—Support of wheel parts during machine operation
- B60C25/0545—Support of wheel parts during machine operation with rotary motion of tool or tyre support, e.g. turntables
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Robotics (AREA)
- Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
- Tires In General (AREA)
Abstract
The invention discloses an automatic tyre mounting machine, which comprises a rotary table which can be driven by a driving mechanism to rotate in a stepping way, wherein a plurality of stations are arranged on the rotary table, a single-station tyre mounting mechanism is arranged above at least one station, a rotatable pinch roller is arranged at the bottommost part of the single-station tyre mounting mechanism, and the pinch roller is fixedly connected to a rotary bracket; the rotary support is fixedly provided with a second gear which is kneaded with the first gear, the first gear is driven by the first motor to rotate, and the second gear drives the rotary support to rotate when rotating; a gear mounting plate is arranged above the second gear, the gear mounting plate is connected with the rotating bracket, so that the second gear is limited between the gear mounting plate and the rotating bracket, and the lower end of the gear mounting plate is taken as a rotating shaft; the lifting mechanism is fixedly connected above the gear mounting plate, and the height of the pinch roller can be adjusted when the lifting mechanism acts. The automatic tyre mounting machine realizes full-automatic tyre and hub assembly, and improves the assembly efficiency.
Description
Technical Field
The present invention relates to an automatic tire mounting machine for assembling a hub and a tire into one body.
Background
When a vehicle manufacturer assembles the tire on the hub, the manual mode is mostly adopted for operation, the labor intensity of the method is high, the working efficiency is low, in order to solve the problem, technical staff carry out equipment development, a tire assembly machine is designed, the semi-automatic assembly mode is adopted, the labor intensity is reduced, and the working efficiency is improved.
Chinese patent document CN201900948U discloses a tire assembling machine, one end of the stand is provided with a turntable for fixing the rim, the other end of the stand is provided with a cylinder, the fixed blocks on two sides of the cylinder are hinged with assembling blocks via a shaft, the bottom ends of the assembling blocks are connected to the piston rod of the cylinder, the assembling blocks are provided with support arm blocks through screw rods, the vertical support arms of the support arm blocks are provided with tire pinch rollers and rim leaning wheels, the transverse support arms of the support arm blocks are provided with adjustable connecting rods, and the ends of the adjustable connecting rods are provided with tire shaping rollers. When the motor drives the turntable to rotate, the tyre pinch roller extrudes the outer tyre into the rim, the outer tyre is reshaped by the tyre reshaping roller, and after the turntable rotates for one circle, the cylinder is reset, and the whole tyre is stretched. The whole action is smooth, the assembly efficiency is high, and the assembly quality is stable and reliable. When the assembly machine works, one side edge of the tire is required to be completely buckled in an assembly groove of the hub, then the combination of the tire and the hub is required to rotate, and the tire can be completely assembled on the hub.
In order to overcome the defects of the technology, the Chinese patent document CN103419581A discloses a tire semi-automatic assembly machine, and the adopted technical measures are as follows: the utility model provides a semi-automatic assembly machine of tire, includes carousel and frame, is equipped with a plurality of stations that are used for fixed wheel hub on the carousel, and the frame stretches to the station on the carousel, is equipped with the pressure child device in the frame, and the carousel rotates under driving mechanism's drive by step formula, and makes the station on the carousel be located the pressure child device one by one, the pressure child device include rotatable pinch roller, be equipped with the power unit who makes the pressure child device follow arc translation in the frame, when realizing the assembly of tire, first one side part lock joint of tire is in wheel hub's assembly groove, under power unit's effect, pinch roller rolls the tire from tire and wheel hub looks lock joint part outside. When the tyre pressing device of the tyre semiautomatic assembly machine moves along an arc, the tyre pressing device is limited by the movement track of the horizontal cylinder, two pressing wheels can only press half-circle tyres at most once, the tyre assembled with half-circle tyres needs to be manually rotated to a more accurate position, the tyre pressing device is used for pressing the other half-circle tyres, and one side part of the tyre needs to be fastened in the assembly groove of the hub in advance, so that the labor intensity is high, the efficiency is low, and the tyre can not be assembled automatically.
Disclosure of Invention
The invention overcomes the defects of the prior art, and provides an automatic tyre mounting machine which can be used for solving the problems of low efficiency and high labor intensity when the existing semi-automatic tyre mounting machine is used for mounting tyres and hubs.
In order to solve the technical problems, one embodiment of the present invention adopts the following technical scheme:
An automatic tyre mounting machine comprises a rotary table which can rotate step by step under the drive of a driving mechanism, wherein a plurality of stations are arranged on the rotary table, a single-station tyre mounting mechanism is arranged above at least one station, a rotatable pinch roller is arranged at the bottommost part of the single-station tyre mounting mechanism, and the pinch roller is fixedly connected to a rotary bracket; the rotary support is fixedly provided with a second gear which is kneaded with the first gear, the first gear is driven by the first motor to rotate, and the second gear drives the rotary support to rotate when rotating; a gear mounting plate is arranged above the second gear, the gear mounting plate is connected with the rotating bracket, so that the second gear is limited between the gear mounting plate and the rotating bracket, and the lower end of the gear mounting plate is taken as a rotating shaft; the lifting mechanism is fixedly connected above the gear mounting plate, and the height of the pinch roller can be adjusted when the lifting mechanism acts.
The gear mounting plate and the middle part of the rotating bracket are provided with holes, the upper end of the tire pressing positioning rod is fixedly connected to the holes in the middle part of the gear mounting plate, and the holes in the middle part of the rotating bracket are provided with gaps with the tire pressing positioning rod.
The lifting mechanism comprises a first cylinder, a first piston rod is arranged on the lifting mechanism, the lower end of the first piston rod is connected with a sliding plate assembly, the sliding plate assembly comprises first sliding blocks arranged on two sides of the inner portion of the sliding plate assembly, first sliding rails are arranged on two sides of a connecting seat which is static relative to the first cylinder, the first sliding blocks and the first sliding rails are matched to enable the sliding plate assembly to move up and down under the driving of the first piston rod, and the bottom of the sliding plate assembly is fixedly connected to a gear mounting plate.
The middle part of carousel has circular mounting hole, and the lower extreme of center frame post is fixed in this circular mounting hole, and the crossbeam is connected to the upper end of center frame post, and the crossbeam is supported by the longeron, and the crossbeam is located the station top, the non-movable part of single-station dress child mechanism is fixed on the crossbeam.
The tire blocking mechanism is arranged on the outer side of the station and consists of a tire blocking rod mounting seat and a tire blocking rod, the tire blocking rod mounting seat is mounted on the turntable through a long hole, the tire blocking rod is fixed to one end of the tire blocking rod mounting seat, and at least two tire blocking rods are arranged on the outer side of each station.
The tire pushing mechanism comprises a tire pushing block, the tire pushing block is fixedly connected with an air cylinder positioning bottom plate, a second air cylinder is fixed on the air cylinder positioning bottom plate, a second sliding block and a second sliding rail are arranged below the air cylinder positioning bottom plate, a first air cylinder limiting block and a protective cover are fixed near the second air cylinder, an air cylinder piston rod moves between the first air cylinder limiting block and the protective cover, and pulling force or pushing force generated when the second piston rod touches the first air cylinder limiting block and the protective cover adjusts the movement direction of the tire pushing block.
The rotary table is arranged on the rotary table frame, a plurality of riding wheel mechanisms are circumferentially distributed below the rotary table, each riding wheel mechanism comprises a riding wheel fixing cabin fixed on the rotary table frame, a riding wheel support is arranged in each riding wheel fixing cabin, a riding wheel capable of rotating is arranged on each riding wheel support, a top plate of each riding wheel fixing cabin is provided with a window, a part of each riding wheel protrudes out of the top plate of each riding wheel fixing cabin from the window and supports the rotary table, a bottom plate of each riding wheel fixing cabin is provided with a hole with a diameter larger than that of a bolt, the upper ends of the bolts are fixedly connected with the riding wheel support, springs are sleeved in the middle parts of the riding wheel fixing cabins, the lower ends of the riding wheel fixing cabins penetrate through the holes of the bottom plates of the riding wheel fixing cabins and are locked by nuts, and the springs are compressed between the bottoms of the riding wheel support and the bottom plates of the riding wheel fixing cabins.
Six stations are arranged on the turntable in a circumferential manner, wherein cross beams are arranged above four adjacent stations, one end of each cross beam is fixed on a central frame column, the other end of each cross beam is fixed on the upper end of a longitudinal beam, and the lower end of each longitudinal beam is fixedly connected to a turntable frame below the turntable; the electric control box is fixed on the central frame column and faces upwards without two stations of the cross beam.
The electric control box is in signal connection with the turntable, the first air cylinder, the second air cylinder and the first motor.
The pinch roller include oblique pinch roller, secondary pinch roller, oblique pinch roller and secondary pinch roller set up relatively on the circumference of direction of rotation, the secondary pinch roller is by setting up and keeps off child wheel.
Compared with the prior art, the invention has at least the following beneficial effects:
the automatic tyre mounting machine realizes the full-automatic assembly of the tyre and the hub, improves the assembly efficiency and reduces the labor intensity.
The tire is prevented from being displaced during the assembly by the tire pushing mechanism and the tire blocking mechanism.
The occupied area of the whole automatic tyre mounting machine is reduced through the design of the upper frame structure, and the electric control box can be mounted at a position which is easy to operate by workers.
The supporting wheel mechanism is used for buffering the pressure received by the turntable, so that the turntable and the driving mechanism at the lower part of the turntable are more durable.
Drawings
Fig. 1 is an assembly view of a turntable and a turntable frame of an automatic tire mounting machine.
Fig. 2 is an upper frame structure of the automatic tire mounting machine.
Fig. 3 and 4 show a single-station tire mounting mechanism of an automatic tire mounting machine.
Fig. 5 shows the structure of the upper frame and the single-station tire mounting mechanism mounted on the turntable frame.
Fig. 6 is a schematic diagram of the assembly of the turntable and turntable frame of the automatic tire mounting machine.
Fig. 7 shows a tire-blocking wheel mechanism of the automatic tire mounting machine.
Fig. 8 is a general assembly view of the automatic tire mounting machine.
Fig. 9, 10 and 11 show a tire pushing mechanism of an automatic tire mounting machine.
Fig. 12 shows a tire blocking mechanism of the automatic tire mounting machine.
Fig. 13 is an installation view of an electric control box of the automatic tire mounting machine.
In the above figures, each serial number represents: carousel frame 1, station mounting hole 2, baffle 3, carousel 4, circular mounting hole 5, tripod 6, first stringer 7, second stringer 8, first beam 9, second beam 10, center frame post 11, hexagonal top plate 1101, beam mounting plate 1102, square tube 1103, hexagonal spacer 1104, third stringer 12, third beam 13, fourth beam 14, fourth stringer 15, first cylinder 16, first piston rod 17, extension plate 18, first slider 19, slide plate assembly 20, rotating bracket 21, secondary press wheel 22, secondary press mounting plate 23, gear 24, first gear 2401, second gear 2402, connection base 25, first slide rail 26, settling tank 27, shaft pin 28, gear mounting plate 29, tire 30, tire blocking wheel 31, oblique press wheel 32, tire pressing positioning rod 33 the first motor 34, the rotating disc riding wheel mechanism 35, the riding wheel fixing cabin 3501, the riding wheel bracket 3502, the riding wheel 3503, the spring 3504, the nut 3505, the bolt 3506, the third gear 36, the second motor 37, the fourth gear 38, the tire blocking mechanism 39, the tire blocking rod mounting seat 3901, the tire blocking rod 3902, the tire pushing mechanism 40, the longitudinal beam 4001, the first connecting plate 4002, the second cylinder 4003, the tire pushing block 4004, the second connecting plate 4005, the third connecting plate 4006, the cylinder second limiting block 4007, the stroke adjusting block 4008, the second piston rod 4009, the cylinder first limiting block 4010, the cylinder positioning bottom plate 4011, the second sliding block 4012, the sliding rail seat 4013, the second sliding rail 4014, the protective cover 4015, the strip-shaped through hole 4016, the reinforcing rib 4017, the electric control box 41, the station 42 and the bottom bracket 43.
Detailed Description
The present invention will be described in further detail with reference to the following examples in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1, the automatic tyre loader is provided with a turntable frame 1 and a turntable 4, wherein the turntable frame 1 plays a supporting role, and the turntable 4 is positioned at the top of the turntable frame 1 and can perform stepping rotation. The turntable 4 is a circular disk with 6 larger station mounting holes 2 on which raised structures are mounted to form stations 42, as shown in fig. 8. The station is used for fixing the hub. The rotation of the turntable 4 is driven by a servo-reduction motor. As can be seen in connection with fig. 6, the central part of the lower surface of the turntable 4 is supported by the turntable frame 1, but the periphery thereof is also supported by the turntable frame to a relatively wide extent, and these unsupported positions are the positions of the stations. The periphery of the turntable is provided with a baffle 3, and the center of the turntable is provided with a circular mounting hole 5.
The turntable 4 is provided with an upper frame, which, as shown in fig. 2 and 5, comprises a central frame column 11, a cross beam, a longitudinal beam and a tripod 6. The number of cross beams and longitudinal beams can be adjusted as required. In comparison, the four cross beams, namely the first cross beam 9, the second cross beam 10, the third cross beam 13 and the fourth cross beam 14, are all in horizontal positions, one end of all cross beams is connected to the central frame column 11, the other end of all cross beams extends out of the turntable 4, and the end parts of the cross beams are connected with the upper ends of the longitudinal beams. Four longitudinal beams are respectively a first longitudinal beam 7, a second longitudinal beam 8, a third longitudinal beam 12 and a fourth longitudinal beam 15, all the longitudinal beams are arranged perpendicular to the horizontal plane, and the upper ends of the longitudinal beams are respectively connected with the first cross beam, the second cross beam, the third cross beam and the fourth cross beam correspondingly. The lower end of each stringer is connected to the turret frame 1 by a tripod 6.
The turret frame 1 exposes a top surface at a circular mounting hole 5. Six stations are arranged on the turntable, each station is round and has a convex structure, and the wheel hub can be limited. Six stations are preferably arranged on the turntable in a circumferential manner, and the distances between the stations are equal, so that each station can perform different works.
The six stations are the first station to the sixth station in sequence. The first beam, the second beam, the third beam and the fourth beam are sequentially arranged right above the second station to the fifth station. The first station is adjacent to the sixth station, and no cross beam is arranged right above the first station and the sixth station. The longitudinal beam is arranged outside the second station and the fifth station.
The crossbeam comprises upper beam plate, lower beam plate and the strengthening rib that sets up between the two, and the longeron comprises preceding longitudinal beam plate, back longitudinal beam plate and the strengthening rib that sets up between the two. The connecting ends of the cross beam and the longitudinal beam are provided with connecting plates, the connecting plates can be welded to the ends of the cross beam and the longitudinal beam, the connecting plates of the cross beam and the connecting plates of the longitudinal beam are attached together, corresponding connecting holes are formed in the connecting plates, and the cross beam and the longitudinal beam can be connected into a whole through bolts. Likewise, the connection of the cross beam to the center frame column is also accomplished by screws or bolts.
Because the cross beam and the longitudinal beam have a corresponding relation with the stations, a single-station tyre mounting mechanism or other mechanisms can be arranged on the cross beam and the longitudinal beam.
The four cross beams can be provided with the same or different mechanisms, and each station can complete different working contents. In addition, the first station is used for loading the hub and the tire for the station, the sixth station is used for loading the hub and the tire for the station, and other stations finish the procedures of press fitting, checking and the like. Because the working mechanisms of four stations can be arranged on the turntable at the same time, and the diameter of the center frame column is smaller, the diameter of the turntable is reduced, and the occupied area of the whole turntable is reduced. The center housing column may also be used to secure an electrical control box.
Fig. 3 is a front structure of the single-station tire mounting mechanism, fig. 4 is a side structure of the single-station tire mounting mechanism, and fig. 5 is an assembly view. The single-station tyre mounting mechanism is provided with a lifting mechanism capable of adjusting the height of the pinch roller, and comprises a first cylinder 16, wherein the first cylinder is provided with a first piston rod 17 facing downwards, and the lower end of the first piston rod is connected with a sliding plate assembly 20. The slide assembly has a first slide 19 thereon, the first slide and other structures on the slide assembly being relatively stationary. The slide subassembly includes the roof of U-shaped, because of its level setting, so it forms the notch on the horizontal plane, and two arms also lie in the horizontal plane, and two arms below of roof are fixed with the riser respectively, and the lower extreme of two risers passes through the bottom plate and connects. A first slider 19 is fixed to the inside of each riser. The single-station tyre mounting mechanism also has a connecting seat 25 which is relatively static to the first cylinder 16, the connecting seat 25 is inserted into the slide plate assembly from the notch of the top plate, and a first slide rail 26 is arranged on the connecting seat. The first slide rails 26 are disposed on the left and right sides of the connection base 25. The first slide rail 26 cooperates with the first slider 19 and the slide plate assembly 20 is movable up and down along the first slide rail under the influence of the first cylinder 16. Because the first cylinder and the connecting seat are fixedly arranged on the cross beam 9, the positions of the first cylinder and the connecting seat are fixed, and the sliding plate assembly can slide up and down under the action of the first piston rod, and the sliding plate assembly drives the structure below the sliding plate assembly to move up and down when the sliding plate assembly slides up and down. The cross beam 9 shown in fig. 3 is only a part of the cross beam.
As shown in fig. 3 and 4, the bottom of the skateboard assembly is provided with a gear 24, the gear 24 includes a first gear 2401 and a second gear 2402, the first gear is meshed with the second gear, the first gear is driven to rotate by a motor, and the first gear drives the second gear to rotate. The runing rest 21 is set up below the second gear, is connected with the pinch roller on the runing rest, and the pinch roller includes pinch roller 32 and secondary pinch roller 22, and they are connected to the runing rest through the mounting panel respectively, if secondary pinch roller 22 passes through secondary pinch roller mounting panel 23 fixed connection to the runing rest on, and secondary pinch roller 22 and pinch roller 32 self can both rotate. The second gear 2402 drives the secondary pinch roller and the oblique pinch roller to rotate together when rotating, and the secondary pinch roller and the oblique pinch roller are pressed on the tire 30, and the secondary pinch roller and the oblique pinch roller are matched to roll on the tire for one circle, namely, the tire is pressed down for one circle, so that the tire can be gradually pressed on the hub. The lower end of the first piston rod 17 is connected to a fish eye joint, which is connected to the slide plate assembly by a pin 28, so that the piston rod can move up and down as it expands and contracts. The top plate portion of the slide plate assembly is sunk to form a settling tank 27, and fish eye joints are positioned in the settling tank 27, with both ends of a shaft pin 28 fixed to both sides of the settling tank.
In order to combine the functions of rotation and lifting, a gear mounting plate 29 is fixed to the bottom of the slide plate assembly, a mounting shaft is provided on the lower surface of the gear mounting plate 29, the second gear 2402 is rotated about the mounting shaft, and the lower end of the second gear 2402 is fixedly connected to the rotating bracket 21. A protective cover can be arranged between the gear mounting plate and the rotary support to protect the gear. The gear mounting plate is connected to the rotating bracket such that the second gear is restrained therebetween, and the mounting shaft of the lower surface of the gear mounting plate 29 is used as a rotation shaft.
The center of the rotating bracket is also provided with a tire pressing positioning rod 33. The gear mounting plate 29 is secured with the floor of the slide assembly. Holes are formed in the gear mounting plate, the bottom plate of the sliding plate assembly and the mounting shaft, and the upper end of the tire pressing positioning rod 33 penetrates through the gear mounting plate, the bottom plate of the sliding plate assembly and the mounting shaft and is fixedly connected to the holes in the middle of the gear mounting plate. On the other hand, the upper end of the tire pressing positioning rod 33 also connects the gear mounting plate, the bottom plate of the slide plate assembly, the mounting shaft and the rotating bracket together, limiting the space between the gear mounting plate and the rotating bracket for mounting the gears. The hole in the middle of the rotary support has a clearance with the tire pressing positioning rod, so that the rotary support can rotate relative to the tire pressing positioning rod.
The motor 34 is mounted on the gear mounting plate 29, and its rotation shaft penetrates the gear mounting plate and is connected to the first gear 2401. The first cylinder 16 and the connecting seat 25 are fixedly mounted on the cross beam 9. Also shown in fig. 3 is an extension plate 18 fixed to the cross beam 9, which mainly serves to extend the mounting position of the cylinder to the side of the cross beam so that the cross beam does not block the action of the cylinder piston rod. A tire blocking wheel 31 is arranged beside the secondary pressing wheel and assists the secondary pressing wheel to accurately mount the tire pressure on the wheel hub.
As shown in fig. 6 and 7, a turntable supporting roller mechanism 35 is connected to the turntable frame 1. Because of the relatively uniform supporting effect on the periphery of the turntable 4, a plurality of turntable riding wheel mechanisms are arranged below the turntable, and the turntable riding wheel mechanisms are arranged at the same distance and circumferentially. The contact part of the rotary table riding wheel mechanism 35 and the rotary table 4 is not fixedly connected, the supporting function of the rotary table riding wheel mechanism on the rotary table has certain elasticity, and the rotary table is balanced under the combined action of the rotary table riding wheel mechanisms. Preferably, 6 elastic riding wheel mechanisms can be adopted to be arranged on the turntable frame. A third gear 36 and a fourth gear 38 are arranged below the turntable, the third gear 36 is driven by a second motor 37, and the turntable 4 is driven to rotate by the rotation of the fourth gear 38.
Fig. 7 is an enlarged view of the turntable idler mechanism of fig. 6. The turntable idler mechanism has an idler stationary pod 3501. The top plate of the riding wheel fixing cabin is provided with a window for allowing the riding wheel 3503 to partially extend out of the riding wheel fixing cabin, a certain gap is reserved between the top plate of the riding wheel fixing cabin and the bottom of the rotary table, and the top plate and the bottom plate are not connected together. The floor of the idler fixture house has perforations for mounting bolts 3506 and allowing the bolts to move up and down. One side wall of the riding wheel fixing cabin is fixedly connected to the turntable frame. The rotary table riding wheel mechanism is provided with a riding wheel bracket 3502, the riding wheel bracket is arranged in the riding wheel fixing cabin 3501, the upper end of the riding wheel bracket is a U-shaped bracket, the lower end of the riding wheel bracket is provided with a bolt 3506, the left side and the right side of the U-shaped bracket are provided with holes, and the riding wheel 3503 is arranged through a rotating shaft, so that the riding wheel is fixed on the riding wheel bracket and can rotate, and therefore, when the rotary table rotates, the riding wheel can correspondingly rotate. The lower end of the U-shaped frame is provided with a threaded hole, a bolt 3506 is in threaded fit with the U-shaped frame to enable the bolt to be hung below the U-shaped frame, and the bolt 3506 penetrates through the through hole of the bottom plate of the riding wheel fixing cabin and then locks the lower end of the bolt by using a nut 3505. The spring 3504 is sleeved on the bolt 3505, the upper end of the spring abuts against the bottom of the U-shaped frame, the U-shaped frame is pressed upwards, the lower end of the spring abuts against the bottom of the riding wheel fixing cabin, the spring is in a compressed state, the bolt is pulled upwards, the nut abuts against the bottom of the riding wheel fixing cabin, the bolt and the nut can move up and down due to expansion and contraction of the spring, and accordingly the U-shaped frame is driven to move up and down, and the riding wheel can move up and down. The riding wheel is preferably a rubber riding wheel, so that a better buffering effect can be achieved. In the tire assembling process, the turntable is stressed and the stress is possibly different, so that the turntable is elastically supported by the turntable riding wheel mechanism at the bottom no matter in which direction the turntable is inclined, and the turntable is buffered.
As shown in fig. 9 to 11 and 8, the side of the station, which is close to the center of the turntable, is taken as the inner side of the station, the side, which is close to the edge of the turntable, is taken as the outer side of the station, and a tire pushing mechanism is arranged on the outer side of the station. The tire pushing mechanism is mounted on the longitudinal beam 4001 and has a second cylinder 4003 secured to the cylinder positioning floor 4011. The second cylinder can drive the tire block 4004 to move as power. The second piston rod 4009 is externally threaded, and a stroke adjustment block 4008 having an internally threaded through hole is threadedly mounted on the second piston rod 4009. The second piston rod has a longer external thread, so the stroke adjusting block 4008 can adjust a specific position on the second piston rod 4009, and the stroke of the cylinder can be changed by changing the specific position of the stroke adjusting block. The cylinder positioning bottom plate 4011 is an "L" shaped plate, and the stringers 4001 are located in the corners of the cylinder positioning bottom plate. The cylinder positioning bottom plate with the structure is basically attached to the longitudinal beam. The tire pushing block 4004 is arranged at the end of the cylinder positioning bottom plate facing the station, and can push the tire to the station when the tire pushing block stretches out.
A second slider 4012 is connected below the cylinder positioning floor, which is relatively stationary with respect to the second cylinder, but movable with respect to the longitudinal beam 4001. When the cylinder positioning base moves with the second cylinder, the second slider 4012 also moves, and they are fixed together.
The second slider 4012 is mounted on a second slide rail 1014 having a length that meets the distance of movement of the tire pushing block. The second slider may slide along the second slide rail such that a movable structure above the second slider, such as a cylinder positioning floor, a second cylinder, may be moved. The second rail is fixed to the rail seat 4013, in operation the second rail, the rail seat are relatively stationary and they are also stationary with respect to the stringers.
The cylinder first stopper 4010 functions to fix the second slide rail 4014 and restrict the second piston rod 4009. The first cylinder stopper 4010 has a hole therethrough, and the second piston rod passes through the first cylinder stopper from the hole. The first stopper of the cylinder is fixed to the longitudinal beam 4001 in such a manner that two bar-shaped through holes 4016 are formed in the longitudinal beam, two round through holes are formed in the first stopper of the cylinder, then the first stopper of the cylinder is fixed to the longitudinal beam through bolts, the bar-shaped through holes and the round through holes, and the height of the first stopper of the cylinder on the longitudinal beam is adjusted through the bar-shaped through holes. The slide rail seat 4013 is fixed to the cylinder first stopper. The rail seat, the second rail, and the cylinder first stopper are thus fixedly attached to the longitudinal beam, they do not move, and the cylinder positioning floor 4011 and the second cylinder 4003 are moved relative to the longitudinal beam 4001.
A protective cover 4015 is fixed on the first limiting block of the air cylinder, and extends to the front end of the second piston rod so as to limit the movement range of the second piston rod; more specifically, the protective cover has an end face that catches on the end of the second piston rod, a top face that catches on the top of the second piston rod, and a side face that catches beside the second piston rod. The end of the protection cover is touched when the piston rod moves, at the moment, the second cylinder moves towards the opposite direction of the extension of the piston rod under the limiting action of the second sliding block and the second sliding rail, so that the pushing tire block is driven to extend, and when the piston rod is retracted, the cylinder returns to the original position under the limiting action of the stroke adjusting block. The tire pushing mechanism can conduct micro-distance adjustment on the tire.
The back of the tire pushing block is fixed with a second connecting plate 4005, the cylinder positioning bottom plate is fixed with a third connecting plate 4006, the tire pushing block and the cylinder positioning bottom plate are fixed together through the second connecting plate and the third connecting plate, and reinforcing ribs 4017 are further arranged between the second connecting plate and the third connecting plate. The side of the tire pushing block facing the station is a front side, the front side is an arc-shaped surface, and the arc-shaped surface is in arc fit with the surface of the tire.
The tire pushing mechanism further comprises a cylinder second limiting block 4007 which is fixed on the cylinder positioning bottom plate, and the second cylinder is positioned between the cylinder first limiting block and the cylinder second limiting block; the second cylinder, the cylinder second limiting block and the cylinder positioning bottom plate move on the second sliding rail along with the second sliding block. The first limiting block of the air cylinder is fixed and does not move.
The second cylinder drives the tire pushing block to extend or return to the original position, when the tire pushing block extends, the shifted tire can be pushed to the correct position of the station, the original manual correction work is replaced, the labor force is saved, and the production efficiency is improved.
As shown in fig. 12 and 8, the tire/hub may be separated from the station due to the weak limiting effect of the station on the tire and hub, and the tire/hub may be manually reset due to pressure or centrifugal force when the tire and hub are assembled and when the turntable rotates. The side of the station, which is close to the center of the turntable, is taken as the inner side of the station, the side, which is close to the edge of the turntable, is taken as the outer side of the station, and a tire blocking mechanism 39 is arranged on the outer side of the station to prevent the tire/hub from being separated from the station.
The tire blocking mechanism consists of a plurality of tire blocking components, and each tire blocking component comprises a tire blocking rod mounting seat 3901 and a tire blocking rod 3902. The tire blocking rod is a cylindrical rod and is vertically erected beside the station, so that the tire and the wheel hub are prevented from being separated from the station.
The tire blocking rod mounting seat 3901 is a strip-shaped mounting seat, and the periphery of the tire blocking rod mounting seat is chamfered, so that the existence of right angles is avoided, and the bad impact of the turntable tire blocking mechanism on the tire/hub is prevented. The tire blocking rod mounting seat has a certain thickness, so that the purpose of mounting the tire blocking rod on the tire blocking rod mounting seat is realized on one hand, and on the other hand, the strip-shaped through groove is formed in the tire blocking rod mounting seat, so that the tire blocking rod mounting seat is conveniently fixed on the turntable. The one end of keeping off child pole mount pad has still set up and has kept off child pole mounting hole, keeps off child pole mounting hole and can be the screw hole, and keeps off child pole's lower extreme and also can set up into the screw thread, keeps off child pole through inserting and keeps off child pole mount pad fixed connection in the child pole mounting hole. Be provided with a plurality of bolt holes on the carousel, every fender child pole mount pad all corresponds a bolt hole and a bolt. The bolt is inserted into the strip-shaped through groove of the tire blocking rod mounting seat and the bolt hole of the turntable and is locked by a nut, so that the tire blocking mechanism is connected to the turntable. The strip-shaped through groove is formed in the tire blocking rod mounting seat, so that the position of the bolt in the strip-shaped through groove can be adjusted, and the positions of the two turntable tire blocking mechanisms can be adjusted.
Preferably, two tire blocking assemblies are arranged on the outer side of each station, the tire blocking rods of the two tire blocking assemblies are close to each other, and the other ends of the tire blocking rods are far away from each other. The six stations need to be provided with 12 tire blocking assemblies and the same arrangement mode is adopted. The distance between the two tire blocking rods and the distance between the tire blocking rods and the center of the station can be adjusted through the bolts.
As shown in fig. 13 and 8, the bottom bracket 43 is a structure formed by fixing one mounting plate to two triangular frames, the bottom bracket is fixed to the center frame column, the electric control box 41 is mounted on the bottom bracket, and the top of the electric control box is locked to the center frame column. The electric control box 41 is located at a position opposite to the first station and the sixth station. The center frame column comprises six square tubes 1103, four beam mounting plates 1102, a hexagonal top plate 1101 and a hexagonal partition 1104; the six square tubes are vertically arranged according to a hexagon, namely, the six square tubes form a hexagon when seen from top to bottom, and a cavity is formed between the six square tubes. The upper ends of all square pipes are respectively fixed to one edge of the hexagonal top plate, and the lower ends of all square pipes are respectively fixed to the turntable frame. Gaps are arranged between adjacent square tubes, and the gaps can gather and distribute signal wires of an electric control box. The beam mounting plate 1102 has mounting holes that can be used to mount the beam. Four beam mounting plates are fixed to the upper ends of the adjacent four square tubes. The hexagonal partition 1104 is arranged in the six square tubes and supports the middle parts of the square tubes, so that the six square tubes are connected more firmly.
Because the first station and the sixth station only put on the tire/hub and take off the whole tire which has been already installed, the work needs the assistance of workers at present, so that workers are beside the two stations to work, the electric control box is installed at the position, the workers are convenient to operate, and the working space of the two stations is not obstructed.
The electric control box does not obstruct the station, and the operation of workers is more convenient, so that the occupied area of the whole structure of the electric control box and the tyre mounting machine is reduced, and the working space is saved.
The wheel hub is placed on the first station by workers, the wheel hub is matched with the first station in shape, the positions of the wheel hub and the first station are fixed, the tire (tire bead) is placed on the wheel hub, the wheel hub and the tire rotate to a second station by the distance of one station, the single-station tire mounting mechanism presses down and rotates on the second station, the pressing wheel rotates for a circle, the lower circle of the whole tire is pressed on the wheel hub, the wheel hub rotates for the distance of one station again, the tire and the wheel hub move to a third station, the same single-station tire mounting mechanism as the second station is arranged above the third station, the pressing wheel height of the single-station tire mounting mechanism of the third station is smaller than that of the single-station tire mounting mechanism of the second station, the upper circle of the tire is pressed on the wheel hub by one round of pressing, the pressing wheel is transferred to a fourth station, the pressing wheel is carried out for checking on the fifth station, the pressing wheel is carried out on the fourth station and the fifth station, the pressing wheel is not identical to the second station, the third station and the third station is provided with the single-station tire mounting mechanism, but the pressing wheel mounting mechanism is different in height, and the pressing wheel pressing mechanism is different from the fourth station. Other mechanisms can be arranged at the fourth station and the fifth station according to the requirement. The assembled tire is removed from the turntable by a worker upon one revolution to the sixth station. When the tire and the wheel hub of the first station move to the second station, workers can place the next tire and wheel hub at the first station, and the assembly process can be continuously carried out, so that continuous operation and automatic installation are realized.
Although the application has been described herein with reference to illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the scope and spirit of the principles of this disclosure. More specifically, various modifications and improvements may be made to the component parts and/or arrangements of the subject combination layout within the scope of the disclosure. In addition to variations and modifications in the component parts and/or arrangements, other uses will be apparent to those skilled in the art.
Claims (10)
1. The automatic tyre mounting machine comprises a turntable which can rotate in a stepping way under the drive of a driving mechanism, and six stations which are circumferentially arranged are arranged on the turntable, and the automatic tyre mounting machine is characterized in that cross beams are arranged above four adjacent stations, one end of each cross beam is fixed to the upper end of a central frame column, a single-station tyre mounting mechanism is arranged on each cross beam, and an inactive part of the single-station tyre mounting mechanism is fixed on the cross beam;
The middle part of the turntable is provided with a mounting hole, and the lower end of the central frame column is fixed in the mounting hole;
The lowest part of the single-station tyre mounting mechanism is provided with a rotatable pressing wheel which is fixedly connected to the rotary bracket; the rotary support is fixedly provided with a second gear which is kneaded with the first gear, the first gear is driven by the first motor to rotate, and the second gear drives the rotary support to rotate when rotating;
A gear mounting plate is arranged above the second gear, the gear mounting plate is connected with the rotating bracket, so that the second gear is limited between the gear mounting plate and the rotating bracket, and the lower end of the gear mounting plate is taken as a rotating shaft; the lifting mechanism is fixedly connected to the upper portion of the gear mounting plate and comprises a first air cylinder, the first air cylinder is provided with a first piston rod, the lower end of the first piston rod is connected with the sliding plate assembly, and the bottom of the sliding plate assembly is fixedly connected to the gear mounting plate so that the height of the pressing wheel can be adjusted when the lifting mechanism acts.
2. The automatic tire assembling machine according to claim 1, wherein the gear mounting plate and the rotating bracket are provided with holes in the middle, the upper end of the tire pressing positioning rod is fixedly connected to the hole in the middle of the gear mounting plate, and the hole in the middle of the rotating bracket is provided with a gap with the tire pressing positioning rod.
3. The automatic tire mounting machine according to claim 1, wherein the slide plate assembly comprises first sliding blocks arranged on two sides of the interior of the slide plate assembly, first sliding rails are arranged on two sides of a connecting seat which is static relative to the first cylinder, and the first sliding blocks are matched with the first sliding rails so that the slide plate assembly can move up and down under the driving of the first piston rod.
4. The automatic tire mounting machine of claim 1, wherein the cross beam is supported by a stringer.
5. The automatic tire mounting machine according to claim 1, wherein one side of the station, which is close to the center of the turntable, is taken as an inner side of the station, one side of the station, which is close to the edge of the turntable, is taken as an outer side of the station, a tire blocking mechanism is arranged on the outer side of the station, the tire blocking mechanism consists of a tire blocking rod mounting seat and tire blocking rods, the tire blocking rod mounting seat is mounted on the turntable through a long hole, the tire blocking rods are fixed to one end of the tire blocking rod mounting seat, and at least two tire blocking rods are arranged on the outer side of each station.
6. The automatic tire mounting machine according to claim 1, wherein one side of the station, which is close to the center of the turntable, is taken as the inner side of the station, one side of the station, which is close to the edge of the turntable, is taken as the outer side of the station, a tire pushing mechanism is arranged on the outer side of the station, the tire pushing mechanism comprises a tire pushing block fixedly connected with a cylinder positioning bottom plate, a second cylinder is fixed on the cylinder positioning bottom plate, a second sliding block and a second sliding rail are arranged below the cylinder positioning bottom plate, a cylinder first limiting block and a protecting cover are fixed near the second cylinder, a cylinder piston rod moves between the cylinder first limiting block and the protecting cover, and the movement direction of the tire pushing block is regulated by the pulling force or the pushing force generated when the second piston rod touches the cylinder first limiting block and the protecting cover.
7. The automatic tire mounting machine according to claim 1, wherein the turntable is mounted on a turntable frame, a plurality of riding wheel mechanisms are circumferentially distributed below the turntable, each riding wheel mechanism comprises a riding wheel fixing cabin fixed on the turntable frame, a riding wheel support is arranged in each riding wheel fixing cabin, a rotatable riding wheel is mounted on each riding wheel support, a top plate of each riding wheel fixing cabin is provided with a window, a part of each riding wheel protrudes from the window to the top plate of each riding wheel fixing cabin and supports the turntable, a bottom plate of each riding wheel fixing cabin is provided with a hole with a diameter larger than that of a bolt, the upper end of each bolt is fixedly connected with each riding wheel support, the middle part of each bolt is sleeved with a spring, the lower end of each spring is locked by a nut after passing through the hole of the bottom plate of each riding wheel fixing cabin, and the springs are compressed between the bottoms of the riding wheel supports and the bottom plate of each riding wheel fixing cabin.
8. The automatic tire mounting machine as claimed in claim 4, wherein the other end of the cross beam is fixed to the upper end of the longitudinal beam, and the lower end of the longitudinal beam is fixedly connected to the turntable frame below the turntable; the electric control box is fixed on the central frame column and faces upwards without two stations of the cross beam.
9. The automatic tire assembling machine according to claim 8, wherein the electrical control box is in signal connection with the turntable, the first cylinder, the second cylinder, and the first motor.
10. The automatic tyre mounting machine according to claim 1, wherein the pinch roller comprises a diagonal pinch roller and a secondary pinch roller, the diagonal pinch roller and the secondary pinch roller are arranged oppositely on the circumference of the rotation direction, and a tyre blocking wheel is arranged beside the secondary pinch roller.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110320605.9A CN112848818B (en) | 2021-03-25 | 2021-03-25 | Automatic tyre mounting machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110320605.9A CN112848818B (en) | 2021-03-25 | 2021-03-25 | Automatic tyre mounting machine |
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| CN112848818B true CN112848818B (en) | 2024-05-24 |
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| CN114850591A (en) * | 2022-07-06 | 2022-08-05 | 河北鑫宇金属制品股份有限公司 | Rotary disc type tapping machine for processing and producing press-riveting nut columns |
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