CN108819305B - Tread turn-over and conveying device - Google Patents
Tread turn-over and conveying device Download PDFInfo
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- CN108819305B CN108819305B CN201810654738.8A CN201810654738A CN108819305B CN 108819305 B CN108819305 B CN 108819305B CN 201810654738 A CN201810654738 A CN 201810654738A CN 108819305 B CN108819305 B CN 108819305B
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- tread
- roller
- proximity switch
- rotating shaft
- frame
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- 230000007306 turnover Effects 0.000 title claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims abstract description 61
- 230000005540 biological transmission Effects 0.000 claims abstract description 23
- 230000008859 change Effects 0.000 claims abstract description 11
- 230000009471 action Effects 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 19
- 230000008569 process Effects 0.000 claims description 18
- 230000001360 synchronised effect Effects 0.000 claims description 13
- 239000003638 chemical reducing agent Substances 0.000 claims description 10
- 230000011664 signaling Effects 0.000 claims description 7
- 238000013519 translation Methods 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 5
- 238000012546 transfer Methods 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 3
- 238000001514 detection method Methods 0.000 description 10
- 238000010030 laminating Methods 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 210000000707 wrist Anatomy 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/0016—Handling tyres or parts thereof, e.g. supplying, storing, conveying
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/08—Building tyres
- B29D30/20—Building tyres by the flat-tyre method, i.e. building on cylindrical drums
- B29D30/30—Applying the layers; Guiding or stretching the layers during application
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/0016—Handling tyres or parts thereof, e.g. supplying, storing, conveying
- B29D2030/0038—Handling tyre parts or semi-finished parts, excluding beads, e.g., storing, transporting, transferring
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Abstract
The invention provides a tread turning device, which comprises a turning mechanism and a speed change control device; the turnover mechanism comprises a first group of supporting frames, a first servo motor, a rotating shaft and a placing frame; the two ends of the rotating shaft are pivoted on the first fixing seat and the second fixing seat and are in transmission connection with the first servo motor, the placing frame is arranged on the rotating shaft and positioned on the first group of supporting frames when the rotating shaft does not rotate, the first servo motor drives the placing frame to rotate through driving the rotating shaft, and the placing frame is provided with a taking and placing device for taking and placing the tread; the turnover device controls the speed of the placing frame when the placing frame performs the rotating action through the speed change control device.
Description
Technical Field
The invention relates to an all-steel truck tire forming machine, belongs to the field of rubber mechanical equipment, and particularly relates to a tread turn-over device.
Background
The tread of the all-steel truck tire is manufactured by the process flows of extrusion compounding, forced shrinkage, calendaring lamination, cooling conveying, fixed length cutting and the like of a tread pressing line in the previous working procedure. The processed tread is put into a shutter trolley and is conveyed to the side of an all-steel heavy-duty tire forming machine, and a forming operator takes the tread off the shutter trolley and turns over the tread and then places the tread on a tread feeding frame. The existing tread turning device is easy to fall off the tread.
CN105346121 discloses an automatic feeding device for tread, in which the shutter needs to be manually turned up to expose the tread after the shutter car is pushed to the positioning guide rail. In addition, the tread turn-over part adopts a cylinder to control the turn-over frame, is limited by the stroke of the cylinder, has angle limitation on the tread turn-over structure, can not be completely turned over to the tread feeding frame, the tread can not accurately fall to a designated position by means of speed inertia, the falling speed can not be controlled, and the quality of the tread after falling is extremely easy to cause damage.
Disclosure of Invention
In view of the above problems, the present invention provides a tread turning device including a turning mechanism and a speed change control device; the turnover mechanism comprises a first group of supporting frames, a first servo motor, a rotating shaft and a placing frame; the two ends of the rotating shaft are pivoted on the first fixing seat and the second fixing seat and are in transmission connection with the first servo motor, the placing frame is arranged on the rotating shaft and positioned on the first group of supporting frames when the rotating shaft does not rotate, the first servo motor drives the placing frame to rotate through driving the rotating shaft, and the placing frame is provided with a taking and placing device for taking and placing the tread; the turnover mechanism controls the speed of the rack when rotating through a speed change control device, and the speed change control device comprises a first proximity switch seat, a second proximity switch seat and a third proximity switch seat which are circumferentially arranged on a first fixed seat; the first proximity switch seat, the second proximity switch seat and the third proximity switch seat are respectively provided with a first proximity switch, a second proximity switch and a third proximity switch; the tail end of the rotating shaft is provided with a signaling wheel, the signaling wheel is provided with a lug, and the signaling wheel is provided with a lug which triggers a first proximity switch, a second proximity switch and a third proximity switch in sequence in the rotating process and the rotating process of the rotating shaft; further controlling the overturning speed of the placing frame; the danger that the tread falls due to too fast overturning of the overturning mechanism can not occur, the whole overturning process is stable, and the danger is not easy to occur.
Further, the picking and placing device is realized in the following structural form: the rack is provided with a rectangular frame, a plurality of groups of mounting frames are fixed on the rectangular frame, the mounting frames are composed of guide rods, and each mounting frame comprises a first guide rod, a second guide rod and a third guide rod; the mounting frame is provided with a left clamping device and a right clamping device which are distributed on the left side and the right side of the placing frame, the left clamping device comprises at least two left hook plates and a first driving cylinder, the left hook plates are arranged in parallel with the length direction of the rectangular frame, the first driving cylinder is arranged on the second guide rod and the third guide rod through a cylinder bottom plate, and each left hook plate is connected with a piston rod of the first driving cylinder through a connecting piece; the right clamping device comprises at least two right hook plates parallel to the length direction of the rectangular frame, a second driving cylinder and a sliding mechanism, wherein the sliding mechanism comprises a first guide rod support, a second guide rod support, two separately arranged guide rails and a first sliding seat, the first sliding seat is connected with the two separately arranged guide rails in a sliding manner, two ends of the two separately arranged guide rails are respectively fixed on the first guide rod support and the second guide rod support, one end of the second driving cylinder is installed on the first guide rod and the second guide rod through a cylinder tail seat and a cylinder base, the right hook plate is provided with a draw hook arm, the draw hook arm is installed on the first sliding seat and is connected with a piston rod of the second driving cylinder to perform translation motion, and the left hook plate and the right hook plate are close to or separated through the operation of the first driving cylinder and the second driving cylinder.
Further improved, a plurality of groups of unpowered roller assemblies are arranged in the rectangular frame, and each powered roller assembly comprises a first fixed plate, a second fixed plate and a spring pressed unpowered roller fixed between the first fixed plate and the second fixed plate.
Further improved, the bottoms of the first servo motor, the first fixing seat and the second fixing seat are respectively provided with a first angle adjusting plate, a second angle adjusting plate and a third angle adjusting plate, and the first angle adjusting plate, the second angle adjusting plate and the third angle adjusting plate are provided with slopes; at least two groups of mounting holes are arranged on the slopes of the first angle adjusting plate, the second angle adjusting plate and the third angle adjusting plate.
Further improved, a first limiting block and a second limiting block are arranged on the two guide rails respectively in front of and behind.
Further improved, at least two left hook plates are covered with a limit plate.
The turnover device provided by the invention adopts turnover speed change control, and avoids the danger of tread sliding caused by over-high speed in the turnover process. In addition, the clamping device provided by the invention utilizes the cooperation of the air cylinder and the hook plate, so that the action of clamping the tread is realized conveniently and rapidly, and the stability of clamping the tread is further ensured.
Drawings
FIG. 1 is a schematic view of a tread automatic feed system;
FIG. 2 is a schematic view of a feeding device 1;
FIG. 3 is a schematic view of a feeding device 2;
FIG. 4 is a schematic view of the structure of the turn-over device 1;
FIG. 5 is a schematic view of the reverse structure of FIG. 4;
FIG. 6 is an enlarged view of a portion of the shift control device;
FIG. 7 is a schematic view of a conveyor;
FIG. 8 is a schematic illustration of the primary power mechanism and front tension roller assembly of the tread stretching structure;
FIG. 9 is a schematic view of a servo drive mechanism;
FIG. 10 is an enlarged schematic view of a wobble assembly of the servo drive mechanism;
FIG. 11 is an enlarged schematic view of an anti-rattle mechanism;
FIG. 12 is a schematic view of a fitting device;
FIG. 13 is a schematic structural view of a centering mechanism;
FIG. 14 is a schematic view of a spacing adjustment device;
FIG. 15 is a schematic view of a length measuring device.
Detailed Description
The invention is described in detail below with reference to the attached drawing figures:
as shown in fig. 1, an automatic tread feeding system comprises a shutter car 10, a grabbing device 11, a feeding device 100 and a PLC controller; the gripping device 11 transfers the tread on the shutter car 10 to the feeding device 100 and then attaches the tread to the belt drum, and the tread is located behind the feeding device (not shown in the figure); the shutter car, the grabbing device and the feeding device are in signal connection with the PLC;
multiple layers of hinges are formed on the shutter car 10, and each hinge 1101 is provided with a layer of tread; the multi-layer tire tread is vertically arranged and respectively arranged on the chopped hinges, the shutter vehicle is a common trolley for storing tire treads in workshops, an operator pushes the shutter vehicle loaded with the tire treads into a working position, and a cylinder, a guide wheel and other mechanisms automatically push the trolley in place and fix the trolley; when the gripping device, such as a robot, detects that the current hinge 1101 is not tread, the page is turned up and secured.
The grabbing device comprises a four-axis industrial robot 11, wherein the four-axis industrial robot is purchased, and the four-axis industrial robot 11 is arranged on a vertical driving linear module and a horizontal linear module to realize lifting and translation actions; the manipulator of the four-axis industrial robot is provided with two rows of vacuum chucks 1105, 1106 arranged in parallel, and the number of the vacuum chucks in each row is 14, so that 14 groups of vacuum chucks are formed, and the vacuum chucks are sucked or separated from the tread by a vacuum generator such as a vacuum pump;
the vertical driving linear module and the horizontal linear module are driven by the two servo motors to realize lifting or translation of the four-axis industrial machine as required, and the linear module at least comprises a sliding seat, a sliding rail and the like which are fixed at one end of the industrial robot. In the present embodiment, only three of the four axes (axis 2 1102, axis 3 1103, axis 4 1104) need be used specifically as follows: the horizontal position of the grabbing manipulator is kept under the linkage of the shaft 2, the shaft 3 1103 and the shaft 4 1104, the adsorption surface is downward, the grabbing manipulator enters the shutter car according to a set track, the shaft 2 rotates to enable the grabbing manipulator to be downward and touch the tread, 14 groups of vacuum chucks 1105 and 1106 on the grabbing manipulator start vacuumizing, the tread is sucked through the chucks, and then the manipulator moves out of the shutter car according to the original track. After gripping the tread, the manipulator moves to the tread feeding position under the linkage of the shaft 2 1102, the shaft 3 1103 and the shaft 4 1104. The shaft 4 further rotates the robot wrist when moving to the lowermost end, with the tread facing upwards and kept horizontal, and then places the tread on a placement frame.
As shown in fig. 2 and 3, the feeding device 100 comprises a frame 19, a turn-over device 12, conveying devices 13,17, a centering device 14, a length measuring device 15, an anti-tail flick device 18 and attaching devices 20,21, wherein the turn-over device 12 is arranged on the frame; the frame 19 has a first bracket 190 and a second bracket 191 in parallel in the length extending direction thereof;
1. turning device
As shown in fig. 4 and 5, a first group of support frames 1901 and a second group of support frames 1902 are arranged on the first support frame 190 from the outside to the inside, and a first fixing seat 1206 and a second fixing seat 1207 are respectively arranged at the left end and the right end of the second group of support frames 1902; the turnover device comprises a first servo motor 1201, a rotating shaft 1205 and a placing frame 1204; two ends of the rotating shaft 1205 are pivotally arranged on the first fixed seat 1206 and the second fixed seat 1207 and are in transmission connection with the first servo motor 1201 through a coupler 1202, the placement frame 1204 is arranged on the rotating shaft 1205 and is positioned on the first group of support frames 1901 when the rotating shaft 1205 does not rotate, and the first servo motor 1201 drives the placement frame 1204 to rotate through driving the rotating shaft 1205;
a taking and placing device for taking and placing the tread is arranged on the placing rack 1204; the pick-and-place device may take various forms, such as 1: the action of taking and placing the tread by the turn-over device can be realized by sucking or separating the tread by the vacuum chuck; in this embodiment, the rack has a rectangular frame 12041, where the rectangular frame 12041 is fixed with multiple sets of mounting frames, and the mounting frames are composed of guide rods, and as shown in fig. 3, the mounting frames include a first guide rod 1267, a second guide rod 1268, and a third guide rod 1269; the picking and placing device comprises a mounting frame, wherein a left clamping device and a right clamping device which are distributed on the left side and the right side of the placing frame 1204 are arranged on the mounting frame, the left clamping device comprises at least two left hook plates 1242 which are parallel to the length direction of the rectangular frame 12041 and a first driving air cylinder 1240, the first driving air cylinder 1240 is arranged on a second guide rod 1268 and a third guide rod 1269 through an air cylinder bottom plate 1243, and each left hook plate 1242 is connected with a piston rod of the first driving air cylinder 1240 through a connecting piece 1241; the right clamping device comprises at least two right hook plates 1270 which are parallel to the length direction of the rectangular frame, a second driving cylinder 1251 and a sliding mechanism, wherein the sliding mechanism comprises a first guide rod support 1260, a second guide rod support 1261, two separated guide rails 1265 and 1266 and a first sliding seat 1264, the first sliding seat 1264 is connected with the two separated guide rails 1265 and 1266 in a sliding manner, two ends of the two separated guide rails 1265 and 1266 are respectively fixed on the first guide rod support 1260 and the second guide rod support 1261, one end of the second driving cylinder 1251 is arranged on a first guide rod 1267 and a second guide rod 1268 through a cylinder tail 1252 and a cylinder base 1250, the right hook plate comprises a translation hook and a drag hook arm, the drag hook arm 1271 is arranged on the first sliding seat 1264 and is connected with a piston rod of the second driving cylinder to perform translation motion, and the left hook plate and the right hook plate are close to or separated through the work of the first driving cylinder 1240 and the second driving cylinder 1251; the more preferred embodiment is: a first limiting block 1262 and a second limiting block 1263 are arranged on the two guide rails 1265 and 1266 respectively in front of and behind, and a limiting plate 1245 is arranged on the upper cover of at least two left hook plates 1242;
in addition, a plurality of groups of unpowered roller assemblies are provided in the rectangular frame 12401, the powered roller assemblies including a first fixing plate 1281, a second fixing plate 1282, and a spring press-in unpowered roller 1280 fixed between the first fixing plate 1281 and the second fixing plate 1282;
in this embodiment, the speed of the turning device when the rack performs the rotation action is controlled by a speed change control device, as shown in fig. 5 and 6, where the speed change control device includes a first proximity switch seat 1212, a second proximity switch seat 1213, and a third proximity switch seat 1214 circumferentially mounted on the first fixed seat 1206; as shown, the first proximity switch seat 1212, the second proximity switch seat 1213 and the third proximity switch seat 1214 are all arc-shaped iron blocks, and three arc-shaped iron blocks are annularly arranged, and the first proximity switch, the second proximity switch and the third proximity switch (not shown in the figure) are respectively mounted on the first proximity switch seat 1212, the second proximity switch seat 1213 and the third proximity switch seat 1214 through punching holes; the tail end of the rotating shaft is provided with a signaling wheel 1215, the signaling wheel 1215 is provided with a lug 1216, and the rotating shaft 1205 is provided with a lug 24 for triggering a first proximity switch, a second proximity switch and a third proximity switch in sequence in the rotating process and the rotating process; thereby controlling the overturning speed of the rack 1204; the danger that the tread drops due to too fast overturning of the overturning device cannot occur, the whole overturning process is stable, and the danger is not easy to occur
Additionally, the bottoms of the first servo motor 1201, the first fixed seat 1206 and the second fixed seat 1207 are respectively provided with a first angle adjusting plate 1209, a second angle adjusting plate 1208 and a third angle adjusting plate 1210, and the first angle adjusting plate 1209, the second angle adjusting plate 1208 and the third angle adjusting plate 1210 are provided with slopes; at least two groups of mounting holes are arranged on the slopes of the first angle adjusting plate, the second angle adjusting plate and the third angle adjusting plate. The tread is placed on the tread rest and clamped by the pick-and-place device. The PLC sends an instruction to automatically turn the tread, so that the tread turning speed is guaranteed to the greatest extent while the quality of the tread is damaged due to the fact that the tread falls, the turning process is subjected to variable speed design, and the turning process sequentially triggers the first proximity switch, the second proximity switch and the third proximity switch.
The second bracket 191 is provided with a conveying device, a centering device 14, a length measuring device 15, an anti-tail-flicking device 18 and attaching devices 20 and 21;
2. conveying device
As shown in fig. 2 and 3, the conveying device comprises a tread roller mechanism 13, a servo driving mechanism 16 and a tread conveying mechanism 17, a mounting frame 22 is arranged on the second bracket 191, the mounting frame 22 is surrounded by a front side plate 2203, a left side plate 2202 and a right side plate 2201, the rear side opening of the mounting frame faces towards the belt drum for attaching the tread conveying belt drum, the tread roller mechanism 13 and the tread conveying mechanism 17 are arranged in the mounting frame 22, and the tread conveying mechanism 17 is arranged at the downstream of the tread roller mechanism 13;
1. tread roller way mechanism 13
As shown in fig. 7, the tread roller mechanism comprises a universal ball shaft assembly and a carrier roller assembly, the carrier roller assembly is positioned at the downstream of the universal ball shaft assembly, the universal ball shaft assembly comprises a plurality of universal ball shafts 1304 which are arranged in parallel and a plurality of universal balls 1303 which are arranged on the universal ball shafts 1304, two ends of each universal ball shaft 1304 are respectively arranged on a left side plate 2202 and a right side plate 2201, and a reinforcing rib plate 1302 extends longitudinally of the universal ball shafts 1304; the carrier roller assembly comprises a plurality of rows of roller shafts 1307 and a plurality of rows of roller bodies 1308 sleeved on the outer sides of the roller shafts, two ends of the plurality of rows of roller shafts 1307 are respectively arranged on a left side plate 2202 and a right side plate 2201, and two ends of the roller bodies are provided with limiting sleeves 1310; in this embodiment, a set of idlers 1305 are provided between the ball and socket assemblies;
2. tread conveying mechanism 17
As shown in fig. 8, the timing belt 1701 is not shown in fig. 8, referring to fig. 6, the tread conveying mechanism 17 at least comprises a main driving mechanism, a front tensioning roller assembly and a timing belt 1701, the front tensioning roller assembly comprises a first transmission roller 1702, a second transmission roller 1705 and a timing belt lining 1706, the timing belt 1701 is wrapped on the transmission roller and the front tensioning roller assembly, the main driving mechanism comprises a fourth servo motor 1703, a speed reducer, a transmission roller 1708 and the like, the fourth servo motor 1703 drives the transmission roller 1708 through the speed reducer, the transmission roller 1708 is connected with the front tensioning roller assembly through the timing belt 1701, and a timing belt lining 1707 is arranged on the lower side of the timing belt;
3. servo drive mechanism 16
As shown in fig. 9 and 10, the servo driving mechanism comprises a swinging component, a lifting component and a driving wheel component, wherein the swinging component and the lifting component drive the driving wheel component to swing and lift so as to enable the driving wheel and the tread to generate or stop transmission; the swing assembly comprises a swing arm 1616, a rotating shaft 1617, a mounting bottom plate 1615 and a swing cylinder (refer to fig. 9), the lifting assembly comprises a third driving cylinder, a linear guide rail 1612 and a second sliding seat 1610, the driving wheel assembly comprises a third servo motor 1606, a speed reducer 1605 and a driving wheel 1601, the side surface of the left side plate is provided with the mounting bottom plate 1615, a first bearing seat 1613 and a second bearing seat 1614 on the mounting bottom plate 1615, the rotating shaft 1617 is arranged on the first bearing seat 1613 and the second bearing seat 1614 through bearings, the swing arm 1616 is sleeved on the rotating shaft 1617 and is driven by the swing cylinder (not shown in the inner side of the frame) to drive the rotating shaft 1617 to swing, the top end of the rotating shaft 1617 is connected to the mounting plate 1609 (refer to fig. 9), the second sliding seat 1610 is arranged on the mounting plate, the third driving cylinder drives the linear guide rail 1612 to move on the second sliding seat 1610, namely the linear guide rail 1612 is driven to lift and displace, and drive the driving wheel 1601 to lift away from the tread or approach the tread; the third servo motor 1606 is connected through a speed reducer 1605, an output shaft of the speed reducer 1605 is connected with a driving wheel 1601, the third servo motor 1606 is connected with a linear guide 1612 through a motor side plate 1604 and a connecting block 1607, a cover plate 1608 is arranged on the connecting block 1607, the cover plate 1608 is connected with a piston rod of a third driving cylinder, and the driving wheel comprises an outer driving wheel, a driving inner wheel 1602, a motor cover plate 1603 and the like.
The tread coming down from the tread line will shrink after a period of storage, so the actual length of the tread before fitting will be shorter than the standard length, which is the primary condition for achieving an automatic joint. If the detected tread length is longer than the standard tread length, the automatic switching is carried out to a manual mode, manual fitting is carried out by manual intervention, and the joint is manually abutted. In this embodiment, the tread is automatically attached, and the joint is automatically abutted: the tread is attached only by means of the speed difference between the synchronous belt and the belt drum, and the phenomena of tread slipping and inaccurate attachment are caused, so that the invention designs a tread driving wheel to provide double power for tread transmission, and the double power is kept between the tread driving wheel and the transmission belt to be 1:1 speed ratio, and the laminating process adopts the thorn formula compression roller to push down the tread, increases frictional force, effectively prevents that the tread from skidding on conveyer belt. If the standard length of the tread is L (mm), the actual length of the tread is L' (mm), the rotational speed of the belt drum is a reference value, and a (rpm) is set as the process setting value, the time required for one rotation of the belt drum is t=60/a(s), and therefore the linear speed of the drum head at the time of bonding is L/t=l×a/60 (mm/s). In order to enable the shortened tread to realize joint butt joint, only the linear speed of the joint feeding device is reduced, and the tread is lengthened while being jointed through the speed difference. The linear speed of the conformable feed belt is L '/t=l' ×a/60 (mm/s) such that the belt drum rotates one revolution and the tread tail just interfaces with the head. That is, the present invention provides a calculation method in which the transfer speed ratio of the timing belt 1701 to the transfer speed of the drive wheel 1601 is 1:1, a step of; the tread is conveyed forward, the speed of the whole section of tread is consistent, the tread cannot stretch, the tread driving wheel 1601 provides power for tread conveying, and the calculation method is clarified by matching the speed control fit joint between the synchronous belt 1701 and the belt drum.
4. Tail flick preventing mechanism 18
In this embodiment, as shown in fig. 11, an anti-tail-flicking mechanism 18 is disposed above the tread conveying mechanism, the anti-tail-flicking mechanism includes a connecting seat 1810, two parallel long-toothed sprocket shafts 1811, a swinging shaft 1805, a swinging shaft retainer 1817, a long-toothed sprocket shaft retainer 1812, a first swinging arm 1806, and a third swinging arm 1808, two ends of the swinging shaft 1805 are provided with swinging shaft retainers 1817, two sides of the swinging shaft are respectively provided with a first swinging arm 1806, the first swinging arm 1806 is in a 7-shaped design, the first swinging arm 1806 is connected with the third swinging arm 1808 through a connecting bolt 1807, the connecting seat 1810 includes a left connecting seat and a right connecting seat which are respectively disposed on the left side and the right side, and the two third swinging arms 1808 are respectively pivoted on the left connecting seat and the right connecting seat; two ends of the long-tooth sprocket shaft 1811 are respectively arranged on the left connecting seat and the right connecting seat, long-tooth sprocket shaft check rings 1812 are arranged at two side ends of the long-tooth sprocket shaft 1811, and a plurality of first tooth sprockets 1801 are arranged on the long-tooth sprocket shaft 1811; before the tread is attached, after the tread reaches the lower surface of the first toothed sprocket 1801, the first toothed sprocket 1801 is jacked up due to a certain thickness of the tread, the first toothed sprocket 1801 pierces into the tread, the synchronous belt 1701 is arranged below the tread, the synchronous belt 1701 is driven to drive the tread to be conveyed forward, and the first toothed sprocket 1801 propped on the tread is also driven to rotate to prevent tail flicking.
As a preferred embodiment, a second swing arm 1804 is arranged perpendicular to the length direction of the swing shaft 1805, and the free end of the second swing arm 1804 is connected to a second toothed sprocket 1802 through a short toothed sprocket shaft 1803; the second toothed sprocket 1802 further increases the friction between the tread and the timing belt 1701, reduces tread slip, and prevents the tread from drifting off the fitting drum due to speed effects.
3. Attaching device
As shown in fig. 12, the laminating device comprises a multi-layer roller mechanism 20 and a valve island mechanism 21, wherein the multi-layer roller mechanism 20 comprises a first mounting piece 2001 and a second mounting piece 2002 which are arranged left and right, three supporting rods 2003 and multi-layer rollers 2004 are arranged between the first mounting piece 2001 and the second mounting piece 2002, the multi-layer rollers 2004 are positioned above the front end of the tread conveying mechanism, the front sides of the first mounting piece 2001 and the second mounting piece 2002 are respectively connected with an air cylinder 2006 through Y-shaped air cylinder 2005 joints, and the two air cylinders 2006 are respectively fixed on the front sides of a left side plate 1302 and a right side plate 1301; the multi-layer roller 2004 consists of 94 pressure rollers, the pressure of N pressure rollers pressed on the tread is divided into 16 pressure areas, the valve island 21 comprises 94 small air cylinders 2101 and 16 groups of proportional pressure reducing valves, the 94 small air cylinders are divided into 16 pressure areas, the 16 pressure areas are used for controlling the pressure of the 94 small air cylinders in a central symmetry mode, and the 16 pressure areas are automatically controlled by the 16 groups of proportional pressure reducing valves; the pressure laminating is controlled by the cooperation of a plurality of pressure multi-layer rollers. According to the specification of tread, the actual length of tread before laminating, the feeding speed of cooperation tread, automatic control tread laminating and tread joint quality.
All-steel tread is characterized by tread width, upper surface shape, and different shapes for tread of different specifications. The design of multi-disc pressure roller can be fine solve and lead to laminating quality not good problem because tread upper surface height is uneven. Because the multi-disc roller comprises 94 small pressure plates, the surface of the pressure roller can be changed along with the shape of the tread, so that the whole tread can be compacted in the tread attaching process, and the attaching quality is greatly improved.
4. Centering device
As shown in fig. 13 and 14, the centering device includes a first centering roller mounting bar 142 and a second centering roller mounting bar 143; a plurality of baffle rollers 147 are longitudinally arranged on the first centering roller mounting bar 142 and the second centering roller mounting bar 143, and the transverse spacing between the first centering roller mounting bar 142 and the second centering roller mounting bar 143 is adjusted by three groups of spacing adjusting devices 141; two sets of gap adjusting devices 141 are arranged in parallel with the short side of the tread conveying direction, each set of gap adjusting devices comprises a first supporting rod 146, a second supporting rod 145, a fifth servo motor 1401 (refer to fig. 1), a first sliding block 1405, a second sliding block 1406, a third sliding block 1407, a fourth sliding block 1408, a guide tube 1410, a screw rod 1412 and a guide rail 1409 (refer to fig. 14); one ends of a first supporting rod 146 and a second supporting rod 145 are respectively arranged on a first centering roller mounting bar 142 and a second centering roller mounting bar 143, the other ends of the first supporting rod 146 and the second supporting rod 145 are respectively connected with a first sliding block 1405 and a second sliding block 1406, a guide tube 1410 is fixed through the first clamping block 1402 and the second clamping block 1403, a first guide groove 1415 and a second guide groove 1411 are formed in one side of the guide tube 1410, the lead screw 1412 is arranged on the inner side of the guide tube 1410, a first screw sleeve 1414 and a second screw sleeve 1413 are respectively arranged on two sides of the lead screw 1412, the lead screw 1412 of the first screw sleeve 1414 and the lead screw 1412 of the second screw sleeve 1413 are in threaded connection, the first sliding block and the second sliding block are slidably arranged on the guide rod and are connected with the first screw sleeve 1412 and the second screw sleeve 1413 which extend out of the first guide groove 1409 and the second guide groove 1411 respectively, a third sliding seat 1407 and a fourth sliding seat 1408 are respectively arranged at the bottom of the first sliding block 1408 and the second sliding block 1406, a linear guide rail 1409 is arranged at the bottom of the third sliding seat 1407 and the fourth sliding seat 1412, and a fifth servo motor 1412 is respectively driven to move along the first centering roller 143 and the first sliding block 1406 or the second guide rod 142 and the first centering roller 143 and the second sliding rod are respectively driven to move along the first centering roller 143 and the first sliding rod and the driving rod and so that are respectively arranged; preferably, a deep groove ball bearing is arranged between the screw sleeve and the guide pipe, one end of the screw sleeve is connected with the servo motor, and the other end of the screw sleeve is provided with a spacer bush. Under the cooperation of the centering blocking roller and the universal wheels, the automatic centering of the tread can be realized, the inclined tread can be enabled to be finally parallel to the edge of the tread feeding frame, and the length measurement result of the tread is more accurate;
5. length measuring device
As shown in fig. 1, 12 and 15, the length measuring device 15 includes a first detecting bracket 1501 and a second detecting bracket 1503 respectively provided on the front side and the rear side of the mounting frame, a first detecting position sensor 1502 and a second detecting position sensor 1504 are respectively provided on the first detecting bracket 1501 and the second detecting bracket of the tread roller mechanism, the first detecting position sensor 1502 and the second detecting position sensor 1504 are provided above the tread roller mechanism, the second detecting bracket 1503 translates along the tread conveying direction through a transmission mechanism and a pressing plate 1505, the transmission mechanism includes a sixth servomotor 1506, a synchronous pulley 1507, a tensioning mechanism 1508 and a transmission synchronous belt 1509, the sixth servomotor 1506 is in transmission connection with the synchronous pulley 1507 through a speed reducer, the bottom end of the second detecting bracket 1503 is mounted on a detecting mounting bottom plate 1510, the detecting mounting bottom plate 1510 is fixed on the transmission synchronous belt 1509 in cooperation with the pressing plate 1505, and a fifth slide seat and a slide rail 1511 are provided at the bottom of the detecting mounting bottom plate 1510, wherein the tensioning mechanism further includes a tensioning wheel, a damping disc 1512 and the like; the first and second detection position sensors are correlation photoelectric switch and laser sensor.
After the tread is centered by the centering device, the driving wheel provides power for the tread to move forwards, the tread head stops moving after reaching the first detection position sensor, the sixth servo motor drives the second detection support to move forwards, after detecting the tread tail through the second detection position sensor, the sixth servo motor stops driving and records the displacement S of the second detection support, the total length from the first detection position to the second detection position on the tread conveying frame is L, and the total length of the tread is L-S.
The working process of the tread feeding system provided by the invention is as follows:
1. pushing the shutter car loaded with the tread into a working position by an operator, and automatically pushing and fixing the car in place by a cylinder, a guide wheel and other mechanisms;
2. the four-axis industrial robot starts to automatically grab the tread, and if no tread is detected on the current hinge, the hinge is automatically opened to grab the next tread.
3. The robot grabbing manipulator is provided with 14 groups of vacuum adsorption devices, and the tire tread is sucked and lifted by utilizing a vacuum chuck after the tire tread is grabbed.
4. The multi-joint characteristic of the industrial robot is utilized, the tire tread is placed on a placing frame of a turning device after being grabbed, the placing frame is driven by rotation of a rotating shaft to achieve turning of the tire tread, and then the tire tread is placed on a conveying device;
5. the PLC sends out an instruction, and the first baffle roller mounting strip are folded to enable the tread to be centered.
6. After the tread is restored to the middle, the head of the tread is transmitted to the first detection position, the second detection support drives the second detection sensor to start moving, the tail of the tread is detected, the walking displacement is recorded, and the actual length of the tread is obtained.
7. In the tread laminating process, the speed difference between the laminating speed of the forming drum and the feeding speed of the tread is adjusted in real time according to the length of the tread, so that the tread joint is correctly abutted.
8. In the attaching process, the pressure of the multi-piece pressure roller pressing tread is divided into 16 pressure areas, and the pressure value of each pressure area is preset as a formula to be automatically switched according to the treads with different specifications. Realizing perfect fit of the fit surface of the tread and each contact position of the lower product.
It should be noted that the above embodiments are merely representative examples of the present invention. Many variations of the invention are possible. Any simple modification, equivalent variation and modification of the above embodiments according to the principles of the present invention should be considered to fall within the scope of the present invention.
Claims (3)
1. A tread turn-over and conveying device is characterized in that the device comprises a frame, a turn-over device and a conveying device which are arranged on the frame, a first group of supporting frames and a second group of supporting frames are arranged on a first bracket from the outer side to the inner side, a first fixing seat and a second fixing seat are respectively arranged at the left end and the right end of the second group of supporting frames,
the turnover device comprises a turnover mechanism and a speed change control device; the turnover mechanism comprises a first group of supporting frames, a first servo motor (1201), a rotating shaft (1205) and a placing frame (1204); the two ends of the rotating shaft (1205) are pivotally arranged on the first fixing seat (1206) and the second fixing seat (1207) and are in transmission connection with the first servo motor (1201), the placement frame (1204) is arranged on the rotating shaft (1205) and positioned on the first group of support frames (1901) when the rotating shaft does not perform rotating action, the placement frame (1204) is driven to rotate by the first servo motor (1201) through the driving rotating shaft (1205), and a taking and placing device for taking and placing the tread is arranged on the placement frame (1204); the turnover mechanism controls the speed of the placing frame when rotating through a speed change control device, and the speed change control device comprises a first proximity switch seat (1212), a second proximity switch seat (1213) and a third proximity switch seat (1214) which are circumferentially arranged on a first fixed seat (1206); mounting a first proximity switch, a second proximity switch, and a third proximity switch on a first proximity switch mount (1212), a second proximity switch mount (1213), and a third proximity switch mount (1214); the tail end of the rotating shaft is provided with a signaling wheel (1215), the signaling wheel (1215) is provided with a lug (1216), and the lug (1216) sequentially triggers a first proximity switch, a second proximity switch and a third proximity switch in the rotating process and the rotating process of the rotating shaft (1205), and the first proximity switch, the second proximity switch and the third proximity switch control the overturning speed of the placing frame (1204); the picking and placing device is realized in the following structural form: the rack is provided with a rectangular frame (12041), a plurality of groups of installation frames are fixed on the rectangular frame (12041), the installation frames are composed of guide rods, and each installation frame comprises a first guide rod (1267), a second guide rod (1268) and a third guide rod (1269); the mounting frame is provided with a left clamping device and a right clamping device which are distributed on the left side and the right side of the placement frame (1204), the left clamping device comprises at least two left hook plates (1242) which are arranged in parallel with the length direction of the rectangular frame (12041) and a first driving air cylinder (1240), the first driving air cylinder (1240) is mounted on a second guide rod (1268) and a third guide rod (1269) through an air cylinder bottom plate (1243), and each left hook plate (1242) is connected with a piston rod of the first driving air cylinder (1240) through a connecting piece (1241); the right clamping device comprises at least two right hook plates (1270) parallel to the length direction of the rectangular frame, a second driving cylinder (1251) and a sliding mechanism, wherein the sliding mechanism comprises a first guide rod support (1260), a second guide rod support (1261), two separated guide rails (1265,1266) and a first sliding seat (1264), the first sliding seat (1264) is connected with the two separated guide rails (1265,1266) in a sliding manner, two ends of the two separated guide rails (1265,1266) are respectively fixed on the first guide rod support (1260) and the second guide rod support (1261), one end of the second driving cylinder (1251) is installed on a first guide rod (1267) and a second guide rod (1268) through a cylinder tailstock (1252), the right hook plate (1270) is provided with a drag hook arm (1271), the drag hook arm (1271) is installed on the first sliding seat (1264) and is connected with a piston rod of the second driving cylinder to perform translation motion, and the work hook plates of the left driving cylinder (1251) and the right hook plates are separated or are close to each other through the first driving cylinder (1240);
the conveying device comprises a mounting frame (22), a tread roller way mechanism (13), a servo driving mechanism (16) and a tread conveying mechanism (17), wherein the mounting frame (22) is arranged on a second bracket (191), the rear side opening of the mounting frame is arranged towards a belt drum and is used for conveying a tread to the belt drum for bonding, the tread roller way mechanism (13) and the tread conveying mechanism (17) are arranged in the mounting frame (22), and the tread conveying mechanism (17) is arranged at the downstream of the tread roller way mechanism (13);
the tread roller way mechanism comprises a universal ball shaft assembly and a carrier roller assembly, the carrier roller assembly is positioned at the downstream of the universal ball shaft assembly, the universal ball shaft assembly comprises a plurality of universal ball shafts (1304) which are arranged in parallel and a plurality of universal balls (1303) which are arranged on the universal ball shafts (1304), two ends of each universal ball shaft (1304) are respectively arranged on a left side plate (2202) and a right side plate (2201), and a reinforcing rib plate is longitudinally extended from the plurality of universal ball shafts (1304); the carrier roller assembly comprises a plurality of rows of roller shafts (1307), a plurality of rows of roller bodies (1308) sleeved on the outer sides of the roller shafts, two ends of each row of roller shafts (1307) are respectively arranged on a left side plate (2202) and a right side plate (2201), and two ends of each roller body are provided with limiting sleeves (1310);
the tread conveying mechanism (17) at least comprises a fourth servo motor (1703), a speed reducer, a transmission roller, a front tensioning roller assembly and a synchronous belt (1701), wherein the fourth servo motor (1703) drives the transmission roller through the speed reducer; the driving roller is connected with the front tensioning roller assembly through a synchronous belt;
the servo driving mechanism comprises a swinging assembly, a lifting assembly and a driving wheel assembly, wherein the swinging assembly and the lifting assembly drive the driving wheel assembly to swing and lift so as to enable the driving wheel and the tread to generate or stop transmission; the swing assembly comprises a swing arm (1616), a rotating shaft (1617), a mounting base plate (1615) and a swing cylinder, the lifting assembly comprises a third driving cylinder, a linear guide rail (1612) and a second sliding seat (1610), the driving wheel assembly comprises a third servo motor (1606), a speed reducer and a driving wheel (1601), the mounting base plate (1615) is mounted on the side face of the left side plate, a first bearing seat (1613) and a second bearing seat (1614) are mounted on the mounting base plate (1615), the rotating shaft (1617) is mounted on the first bearing seat (1613) and the second bearing seat (1614) through bearings, the swing arm (1616) is sleeved on the rotating shaft (1617) and is driven by the swing cylinder to drive the rotating shaft (1617) to swing, the free end of the rotating shaft (1617) is connected to the mounting plate (1609), the second sliding seat (1610) is arranged on the mounting plate, the third driving cylinder drives the linear guide rail (1612) to move on the second sliding seat, and the third servo motor is connected with the driving wheel (1601) through the speed reducer; the transfer speed of the timing belt (1701) and the transfer speed of the driving wheel are 1:1, a step of; a set of idlers (1305) are disposed between the ball and axle assemblies.
2. Tread turning and conveying device according to claim 1, wherein: the front tensioning roller assembly comprises a first transmission roller (1702), a second transmission roller (1705) and a synchronous belt lining plate A (1706), wherein a synchronous belt lining plate B (1707) is arranged on the lower side of the synchronous belt.
3. Tread turning and conveying device according to claim 1, wherein: the third servo motor (1606) is connected with the linear guide rail (1612) through a motor side plate (1604) and a connecting block (1607), a cover plate (1608) is arranged on the connecting block (1607), and the cover plate (1608) is connected with a piston rod of the third driving cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810654738.8A CN108819305B (en) | 2018-06-22 | 2018-06-22 | Tread turn-over and conveying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810654738.8A CN108819305B (en) | 2018-06-22 | 2018-06-22 | Tread turn-over and conveying device |
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| Publication Number | Publication Date |
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| CN108819305A CN108819305A (en) | 2018-11-16 |
| CN108819305B true CN108819305B (en) | 2023-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810654738.8A Active CN108819305B (en) | 2018-06-22 | 2018-06-22 | Tread turn-over and conveying device |
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| FR3106081A1 (en) * | 2020-09-29 | 2021-07-16 | Continental Reifen Deutschland Gmbh | Improved Product Processing Machine |
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| JPS59224329A (en) * | 1983-06-02 | 1984-12-17 | Toyo Tire & Rubber Co Ltd | Turnover device for rubber element |
| CN201538048U (en) * | 2009-09-15 | 2010-08-04 | 特乐斯特机械(上海)有限公司 | Tire film pneumatic automatic tipping gear |
| CN101966756A (en) * | 2009-07-27 | 2011-02-09 | 软控股份有限公司 | Full automatic tread abutting machine and abutting method thereof |
| CN203529391U (en) * | 2013-09-30 | 2014-04-09 | Tcl王牌电器(惠州)有限公司 | Turn-over device |
| CN203665969U (en) * | 2013-12-25 | 2014-06-25 | 潍坊三江玻璃机械有限公司 | Tire tread overturning device |
| CN204847252U (en) * | 2015-07-28 | 2015-12-09 | 北新集团建材股份有限公司 | Panel turnover machine controlling means |
| CN205034733U (en) * | 2015-10-22 | 2016-02-17 | 广州博澳斯电器有限公司 | Turning device of refrigerator -freezer box |
| CN208745402U (en) * | 2018-06-22 | 2019-04-16 | 杭州朝阳橡胶有限公司 | A kind of tyre surface turn-over rig |
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2018
- 2018-06-22 CN CN201810654738.8A patent/CN108819305B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59224329A (en) * | 1983-06-02 | 1984-12-17 | Toyo Tire & Rubber Co Ltd | Turnover device for rubber element |
| CN101966756A (en) * | 2009-07-27 | 2011-02-09 | 软控股份有限公司 | Full automatic tread abutting machine and abutting method thereof |
| CN201538048U (en) * | 2009-09-15 | 2010-08-04 | 特乐斯特机械(上海)有限公司 | Tire film pneumatic automatic tipping gear |
| CN203529391U (en) * | 2013-09-30 | 2014-04-09 | Tcl王牌电器(惠州)有限公司 | Turn-over device |
| CN203665969U (en) * | 2013-12-25 | 2014-06-25 | 潍坊三江玻璃机械有限公司 | Tire tread overturning device |
| CN204847252U (en) * | 2015-07-28 | 2015-12-09 | 北新集团建材股份有限公司 | Panel turnover machine controlling means |
| CN205034733U (en) * | 2015-10-22 | 2016-02-17 | 广州博澳斯电器有限公司 | Turning device of refrigerator -freezer box |
| CN208745402U (en) * | 2018-06-22 | 2019-04-16 | 杭州朝阳橡胶有限公司 | A kind of tyre surface turn-over rig |
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| CN108819305A (en) | 2018-11-16 |
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