CN210235146U - Automatic positioning assembly AGV dolly floats - Google Patents
Automatic positioning assembly AGV dolly floats Download PDFInfo
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- CN210235146U CN210235146U CN201920718801.XU CN201920718801U CN210235146U CN 210235146 U CN210235146 U CN 210235146U CN 201920718801 U CN201920718801 U CN 201920718801U CN 210235146 U CN210235146 U CN 210235146U
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Abstract
The utility model discloses an automatic positioning assembly AGV dolly floats, including the AGV automobile body, the lower extreme of AGV automobile body is fixed to be equipped with rudder wheel actuating mechanism and universal wheel, the fixed plane relocation mechanism that is equipped with in AGV automobile body upper end, plane relocation mechanism includes upper plate and lower plywood, relative motion between upper plate and the lower plywood, sliding fit between lower plywood and the AGV automobile body upper end, the direction of motion of upper plate with the direction of motion of plywood is perpendicular down. The chassis is assembled by adopting the movable AGV trolley, the steering wheel driving mechanism provides transfer power, the planar floating mechanism realizes the positioning and supporting of the chassis and the tray, the assembly flexibility is high, the process route can be changed at the later stage, the modification cost is low, and the assembly method is suitable for multi-model mixed flow assembly; during positioning, the chassis position is firstly determined, then the upper plate and the lower plate are adjusted to enable the tray positioning pin to be matched with the tray in a positioning mode, then the longitudinal return mechanism and the transverse return mechanism achieve return of the AGV body, and positioning accuracy is high.
Description
Technical Field
The utility model relates to an automobile production line assembly technical field specifically indicates an automatic positioning assembly AGV dolly floats.
Background
The existing automobile chassis assembling station generally adopts two modes, one mode is a fixed raceway line body and an assembling tray, and the other mode is an RVG upper line body and an assembling tray. No matter which kind of mode, its line body is all fixed mounting subaerial, is difficult to the change with vehicle chassis's butt joint position, influences the position precision on the one hand chassis, and on the other hand is unfavorable for realizing the adjustment of multimachine type mixed flow production technology.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the deficiencies of the prior art, providing an automatic floating positioning assembly AGV trolley which can realize multi-machine type mixed flow assembly and high positioning precision.
In order to achieve the purpose, the utility model provides an automatic positioning assembly AGV dolly floats which characterized in that: including the AGV automobile body, the lower extreme of AGV automobile body is fixed to be equipped with rudder wheel actuating mechanism and universal wheel, the fixed plane relocation mechanism that is equipped with in AGV automobile body upper end, plane relocation mechanism includes upper plate and lower plywood, relative motion between upper plate and the lower plywood, sliding fit between lower plywood and the AGV automobile body upper end, the direction of motion of upper plate with the direction of motion of plywood is perpendicular down.
Furthermore, a guide groove is formed in the lower end of the lower layer plate along the longitudinal direction of the AGV body, and the guide groove is in sliding fit with a guide rail arranged at the upper end of the AGV body; the tray positioning pin is fixedly arranged at the upper end of the upper plate, the universal ball is arranged between the upper plate and the lower plate, guide wheels are fixedly arranged at the edges of the two transverse sides of the lower plate, and the guide wheels are in sliding fit with the two transverse sides of the upper plate.
Further, AGV automobile body upper end is fixed and is equipped with vertical return mechanism and horizontal return mechanism, vertical return mechanism and the vertical spacing cooperation of lower floor's board lower extreme, horizontal return mechanism with the horizontal spacing cooperation of upper plate lower extreme.
Further, the lower extreme of upper plate and lower plate all is equipped with the location chute, the location chute is trapezoidal, vertical return mechanism with horizontal return mechanism all is including fixing the hydro-cylinder on the AGV automobile body, the hydro-cylinder includes the piston rod of vertical setting, the piston rod end is equipped with positioning roller, positioning roller with location chute limit fit.
Further, the steering wheel driving mechanism comprises a steering wheel, the upper end of the steering wheel is fixedly connected with a steering wheel rotating plate, a rotating gear is arranged on the steering wheel rotating plate and is coaxially connected with the steering wheel, a rotating motor is arranged on the rotating plate, an output shaft of the rotating motor is connected with a driving gear, and the driving gear is meshed with the rotating gear.
Further, rudder wheel actuating mechanism still includes the fixed plate fixed with AGV automobile body lower extreme, fixed plate lower extreme fixedly connected with guiding axle, the fly leaf has been cup jointed in the sliding of the guiding axle other end, the fixed plate with fixedly connected with damping spring between the fly leaf, lie in the fixed clamp plate that is equipped with of fly leaf lower extreme on the guiding axle.
Further, the universal wheel include with AGV automobile body lower extreme fixed connection's fixed bolster, the fixed bolster with the movable support is at vertical direction relative motion, movable support one end and pivot normal running fit, pivot lower extreme fixedly connected with runing rest, the runing rest lower extreme is connected with the truckle.
Furthermore, a vertical screw rod is fixedly arranged at one end of the movable support, the screw rod is in threaded transmission with the fixed support, and an adjusting nut is in threaded fit with one end of the screw rod.
Furthermore, one end of the movable support is in running fit with the rotating shaft through a deep groove ball bearing and an angular contact ball bearing.
The utility model has the advantages as follows:
1. and (5) assembling the mixed flow of multiple models. The original fixed chassis assembling production line is changed into a movable AGV trolley for assembling, the AGV trolley can realize fixation and positioning of the tray, the flexibility degree is high, the later stage of the process route can be changed, the improvement cost is also low, and the chassis assembling device is suitable for multi-machine type mixed flow assembly.
2. The positioning precision is high. The horizontal movement along the longitudinal direction and the transverse direction of the AGV body is realized by arranging the plane floating mechanism, when the chassis is hoisted to a specified position, the upper plate and the lower plate are firstly adjusted to ensure that the tray positioning pins are matched with the trays at the lower end of the chassis in a positioning way, the position of the AGV body does not move at the moment, the positioning idler wheels deviate out of the positioning chute, and then the initial position is returned through the longitudinal return mechanism and the transverse return mechanism.
3. Stable operation and convenient maintenance. The steering wheel driving mechanism provides walking and steering power, and a damping spring is arranged between the fixed plate and the floating plate to enable the AGV to stably run; the universal wheel can carry out lift adjustment through the screw rod, and when the helm actuating mechanism broke down, the whole height that can increase the universal wheel made the helm leave ground, prevented that AGV from removing the in-process, and the driving plate was charged to the helm driving motor reversal, caused the driver to damage.
Drawings
FIG. 1 is a top perspective view of an AGV cart overall structure.
FIG. 2 is a bottom perspective view of the overall AGV cart structure.
Fig. 3 is an isometric view of a planar floatation mechanism.
Fig. 4 is an exploded perspective view of the planar floating mechanism.
Fig. 5 is a top view of a planar float mechanism.
Fig. 6 is a side view of a planar floatation mechanism.
Fig. 7 is a front view of the rudder wheel drive mechanism.
Fig. 8 is a partially enlarged view of the fitting portion of the guide shaft and the floating plate.
FIG. 9 is a front view of the universal wheel construction.
FIG. 10 is an isometric view of a universal wheel construction.
The components in the figures are numbered as follows: the AGV body 1, the guide rail 101, the limiting column 102, the steering wheel drive mechanism 2, the steering wheel 201, the fixed plate 202, the floating plate 203, the shock absorption spring 204, the pressing plate 205, the guide shaft 206, the rotating motor 207, the driving gear 208, the rotating gear 209, the steering wheel rotating plate 210, the plane floating mechanism 3, the upper plate 301, the lower plate 302, the universal ball 303, the guide groove 304, the guide wheel 305, the positioning inclined groove 306, the oil cylinder 307, the piston rod 308, the positioning roller 309, the longitudinal return mechanism 31, the transverse return mechanism 32, the universal wheel 4, the fixed bracket 401, the movable bracket 402, the rotating bracket 403, the caster 404, the rotating shaft 405, the deep groove ball bearing 406, the angular contact ball bearing 407, the screw 408, the adjusting nut 409, the crash bar 5, the tray positioning pin 6 and the electric control assembly 7.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings, which are not intended to limit the scope of the present invention.
As shown in fig. 1-3, an automatic positioning assembly AGV dolly floats, including AGV automobile body 1, the fixed crash bar 5 that is equipped with in the vertical both ends of AGV automobile body 1, horizontal one end is equipped with electrical control assembly 7, AGV automobile body 1's lower extreme is fixed and is equipped with helm drive mechanism 2 and universal wheel 4, the fixed plane relocation mechanism 3 that is equipped with in 1 upper end of AGV automobile body, plane relocation mechanism 3 includes upper plate 301 and lower floor plate 302, upper plate 301 is fixed be equipped with the spacing complex tray locating pin 6 of tray, vertical sliding fit between lower floor plate 302 and the AGV automobile body 1 upper end, horizontal relative motion between upper plate 301 and the lower floor plate 302. It attaches together to change into mobilizable AGV dolly to attach together the chassis to attach together original fixed chassis assembly line, and the AGV dolly provides power through rudder wheel actuating mechanism and transports the chassis, realizes the location and the support to chassis and tray through plane floating machanism, and the degree of assembly flexibility is high, and the process route later stage can be changed, and the transformation cost is also low, and the mill drops into low in earlier stage, is applicable to multimachine type mixed flow assembly.
In the technical scheme, as shown in fig. 3 to 6, the lower end of the lower plate 302 is provided with a guide groove 304 along the longitudinal direction of the AGV body 1, the guide groove 304 is in sliding fit with a guide rail 101 arranged at the upper end of the AGV body 1, and two ends of the guide rail are also provided with limiting columns 102 for limiting the longitudinal displacement of the lower plate 302; the upper end of the upper plate 301 is fixedly provided with a tray positioning pin 6, a universal ball 303 is arranged between the upper plate 301 and the lower plate 302, the edges of the two transverse sides of the lower plate 302 are fixedly provided with guide wheels 305, and the guide wheels 305 are in sliding fit with the two transverse sides of the upper plate 301. Thus, the upper deck may translate laterally relative to the lower deck, which may translate longitudinally relative to the AGV body.
Among the above-mentioned technical scheme, as shown in fig. 3 ~ 6, AGV automobile body 1 upper end is fixed to be equipped with vertical return mechanism 31 and horizontal return mechanism 32, location chute 306 is trapezoidal, vertical return mechanism 31 and horizontal return mechanism 32 all include fixes the hydro-cylinder 307 on AGV automobile body 1, hydro-cylinder 307 includes the piston rod 308 of vertical setting, the piston rod 308 end is equipped with positioning roller 309, the lower extreme of upper plate 301 and lower floor board 302 all is equipped with location chute 306, the vertical spacing cooperation of roller 309 of vertical return mechanism 31 and the location chute 306 lower extreme of lower floor board 302, the horizontal spacing cooperation of roller 309 and the location chute 306 of upper plate 301 of horizontal return mechanism 32. Like this, when the chassis hoists to the assigned position, the AGV automobile body moves the below position and the locking on chassis, at first manual regulation upper plate and lower floor make tray locating pin and the tray location cooperation of chassis lower extreme, the position of AGV automobile body does not move this moment, and the positioning roller squints the bottom of location chute, then roll on the inclined plane of location chute through vertical return mechanism and horizontal return mechanism through hydro-cylinder drive positioning roller, until the bottom limit fit of gyro wheel and location chute, the vertical motion drive upper plate and the lower floor of this in-process gyro wheel carry out horizontal migration, because the upper plate has been fixed, therefore the AGV automobile body gets back to initial position and lock dead for upper plate and lower floor, accomplish the positioning process of AGV dolly.
In the above technical solution, as shown in fig. 7, the steering wheel driving mechanism 2 includes a steering wheel 201, the steering wheel includes a driving motor, a steering wheel rotating plate 210 is fixedly connected to an upper end of the steering wheel 201, a rotating gear 209 is disposed on the steering wheel rotating plate 210, the rotating gear 209 is coaxially connected to the steering wheel 201, a rotating motor 207 is disposed on the rotating plate 201, an output shaft of the rotating motor 207 is connected to a driving gear 208, and the driving gear 208 is engaged with the rotating gear 209. In this way, the driving motor of the steering wheel 201 drives the steering wheel to move straight, and the rotation motor drives the steering wheel to realize 360-degree steering.
In the above technical solution, as shown in fig. 8, the steering wheel driving mechanism 2 further includes a fixed plate 202 fixed to the lower end of the AGV body 1, the lower end of the fixed plate 202 is fixedly connected with a guide shaft 206, the other end of the guide shaft 206 is slidably sleeved with a movable plate 203, a damping spring 204 is fixedly connected between the fixed plate 202 and the movable plate 203, and a pressing plate 205 is fixedly disposed on the guide shaft 206 and located at the lower end of the movable plate 203. Therefore, when the steering wheel passes through uneven ground, the damping spring can effectively eliminate the vibration of the AGV body, and the stability of the AGV and the Xenin is ensured.
In the technical scheme, as shown in fig. 9 to 10, the universal wheels 4 are arranged at four corners of the lower end of the AGV body 1, each universal wheel 4 comprises a fixed support 401 fixedly connected with the lower end of the AGV body 1, the fixed support 401 and the movable support 402 move relative to each other in the vertical direction, one end of the movable support 402 is fixedly provided with a vertical screw 408, the screw 408 is in threaded transmission with the fixed support 401, and one end of the screw 408 is in threaded fit with an adjusting nut 409; one end of the movable support 402 is in running fit with the rotating shaft 405 through the deep groove ball bearing 406 and the angular contact ball bearing 407, the lower end of the rotating shaft 405 is fixedly connected with the rotating support 403, and the lower end of the rotating support 403 is connected with the caster 404. Like this, the universal wheel can share the atress of rudderwheel as the auxiliary wheel, and secondly, when the rudderwheel power failure appears, through adjusting nut risees the universal wheel height and makes the rudderwheel liftoff, when preventing to promote AGV removal, the rudderwheel driving motor is reverse to charge for the drive plate, causes the driver to damage.
Claims (9)
1. The utility model provides an automatic positioning assembly AGV dolly floats which characterized in that: including AGV automobile body (1), the lower extreme of AGV automobile body (1) is fixed to be equipped with rudder wheel drive mechanism (2) and universal wheel (4), AGV automobile body (1) upper end is fixed and is equipped with plane relocation mechanism (3), plane relocation mechanism (3) include upper plate (301) and lower floor (302), relative motion between upper plate (301) and lower floor (302), sliding fit between lower floor (302) and AGV automobile body (1) upper end, the direction of motion of upper plate (301) with the direction of motion of lower floor (302) is perpendicular.
2. The AGV cart with automatic floating positioning assembly of claim 1, further comprising: the lower end of the lower layer plate (302) is provided with a guide groove (304) along the longitudinal direction of the AGV body (1), and the guide groove (304) is in sliding fit with a guide rail (101) arranged at the upper end of the AGV body (1); the tray positioning pin (6) is fixedly arranged at the upper end of the upper plate (301), universal balls (303) are arranged between the upper plate (301) and the lower plate (302), guide wheels (305) are fixedly arranged on the edges of the two transverse sides of the lower plate (302), and the guide wheels (305) are in sliding fit with the two transverse sides of the upper plate (301).
3. An automatic floating positioning assembly AGV cart in accordance with claim 2, wherein: AGV automobile body (1) upper end is fixed and is equipped with vertical return mechanism (31) and horizontal return mechanism (32), vertical return mechanism (31) and the vertical spacing cooperation of plywood (302) lower extreme down, horizontal return mechanism (32) with the horizontal spacing cooperation of upper plate (301) lower extreme.
4. An automatic floating positioning assembly AGV cart in accordance with claim 3, wherein: the lower extreme of upper plate (301) and lower floor (302) all is equipped with location chute (306), location chute (306) are trapezoidal, vertical return mechanism (31) with horizontal return mechanism (32) all are including fixing hydro-cylinder (307) on AGV automobile body (1), hydro-cylinder (307) are including piston rod (308) of vertical setting, piston rod (308) end is equipped with positioning roller (309), positioning roller (309) with location chute (306) spacing cooperation.
5. An automatic floating positioning assembly AGV according to claim 4 wherein: rudder wheel drive mechanism (2) is including helm (201), helm (201) upper end fixedly connected with helm gyro wheel returning plate (210), be equipped with slewing gear (209) on helm gyro wheel returning plate (210), slewing gear (209) and helm (201) coaxial coupling, be equipped with rotating electrical machines (207) on returning plate (210), rotating electrical machines (207) output shaft has driving gear (208), driving gear (208) with slewing gear (209) meshing.
6. An automatic floating positioning assembly AGV according to claim 5 wherein: rudder wheel actuating mechanism (2) still include with fixed plate (202) of AGV automobile body (1) lower extreme, fixed plate (202) lower extreme fixedly connected with guiding axle (206), guiding axle (206) other end slip has cup jointed fly leaf (203), fixed plate (202) with fixedly connected with damping spring (204) between fly leaf (203), lie in fixed clamp plate (205) that is equipped with of fly leaf (203) lower extreme on guiding axle (206).
7. An automatic floating positioning assembly AGV cart according to claim 6, further comprising: universal wheel (4) include with AGV automobile body (1) lower extreme fixed connection's fixed bolster (401), fixed bolster (401) and moving bracket (402) are at vertical direction relative motion, moving bracket (402) one end and pivot (405) normal running fit, pivot (405) lower extreme fixedly connected with runing rest (403), runing rest (403) lower extreme is connected with truckle (404).
8. An automatic floating positioning assembly AGV cart according to claim 7, further comprising: one end of the movable support (402) is fixedly provided with a vertical screw rod (408), the screw rod (408) is in threaded transmission with the fixed support (401), and one end of the screw rod (408) is in threaded fit with an adjusting nut (409).
9. An automatic floating positioning assembly AGV cart according to claim 7, further comprising: one end of the movable support (402) is in running fit with the rotating shaft (405) through a deep groove ball bearing (406) and an angular contact ball bearing (407).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920718801.XU CN210235146U (en) | 2019-05-17 | 2019-05-17 | Automatic positioning assembly AGV dolly floats |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920718801.XU CN210235146U (en) | 2019-05-17 | 2019-05-17 | Automatic positioning assembly AGV dolly floats |
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| Publication Number | Publication Date |
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| CN210235146U true CN210235146U (en) | 2020-04-03 |
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| CN201920718801.XU Active CN210235146U (en) | 2019-05-17 | 2019-05-17 | Automatic positioning assembly AGV dolly floats |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110091938A (en) * | 2019-05-17 | 2019-08-06 | 东风专用设备科技有限公司 | Automatic floating positioning assembly AGV trolley |
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2019
- 2019-05-17 CN CN201920718801.XU patent/CN210235146U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110091938A (en) * | 2019-05-17 | 2019-08-06 | 东风专用设备科技有限公司 | Automatic floating positioning assembly AGV trolley |
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