CN218231728U

CN218231728U - Novel RGV side fork truck

Info

Publication number: CN218231728U
Application number: CN202222589391.8U
Authority: CN
Inventors: 徐建; 任玉树; 种衍奎
Original assignee: XUZHOU HUAHENG ROBOT SYSTEM CO Ltd
Current assignee: XUZHOU HUAHENG ROBOT SYSTEM CO Ltd
Priority date: 2022-09-29
Filing date: 2022-09-29
Publication date: 2023-01-06
Anticipated expiration: 2032-09-29

Abstract

The utility model discloses a novel RGV side fork truck, include: the device comprises an RGV track, an RGV trolley arranged on the RGV track, a lifting component arranged on the RGV trolley and a fork component arranged on the lifting component and capable of extending and retracting bidirectionally, wherein a counterweight corresponding to the extending length of the fork component and the weight of goods is arranged on the RGV trolley; stations required for processing workpieces are arranged on two sides of the RGV track, and the fork assembly is used for inserting the workpieces on the stations; the RGV side fork trolley is a three-axis (X/Y/Z) material transfer device, the precision of the RGV side fork trolley is improved through the control of a servo motor, the accurate positioning is realized, and the RGV side fork trolley is safe and stable in the movement process; can satisfy most use scenes, improve the suitability, realize the automatic work piece of transporting between each station.

Description

Novel RGV side fork truck

Technical Field

The utility model relates to a rail transport trolley, concretely relates to novel RGV side fork truck for transport the work piece between each station.

Background

In the large-scale production process, the materials can not be separated for transportation; the driving is often used in actual production to carry out the material transportation, the in-process that adopts the driving to transport needs the manual work to fix the back with the work piece earlier and adopts the driving to transport again, need keep away certain safe distance when transporting, prevent to drop, probably still can influence other station personnel production by work at this in-process, transport to appointed station after, still need carry out calibration position through the manual work after, processing, whole in-process, the time spent, artifical hoist and mount intensity of labour is big, low in production efficiency, and can also improve its danger because improper operation or other factors at the in-process of whole transportation.

SUMMERY OF THE UTILITY MODEL

To the problem that above-mentioned prior art exists, the utility model provides a novel RGV side fork truck for automatic transfer the work piece between each station satisfies automated production.

In order to realize the purpose, the utility model discloses a technical scheme is: a novel RGV side lift truck comprising: the device comprises an RGV track, an RGV trolley arranged on the RGV track, a lifting assembly arranged on the RGV trolley and a fork assembly arranged on the lifting assembly and capable of stretching in two directions, wherein a counter weight corresponding to the extending length of the fork assembly and the weight of goods is arranged on the RGV trolley; stations required for processing workpieces are arranged on two sides of the RGV track, and the fork assembly is used for inserting the workpieces on the stations.

Further, the RGV track includes: the guide rail is installed on the bottom plate through a plurality of guide rail adjusting assemblies.

Further, the RGV cart includes: the device comprises a frame, a warning lamp, a balance weight, a guide mechanism, a region sensor, a control cabinet, a speed reducing motor and wheels; the frame is installed on the guide rail of RGV dolly through a plurality of wheels, guiding mechanism installs at the both ends of frame to fix and clamp the both sides at the guide rail, area sensor sets up at the automobile body both ends for examine car surrounding environment, and switch board, gear motor, counter weight are installed in the automobile body top, and gear motor is used for driving the automobile body and moves on the RGV track, and the switch board is used for controlling gear motor, lifting unit, fork subassembly work.

Furthermore, the gear motor is driven by a gear rack mechanism, a gear in the gear rack mechanism is installed on an output shaft of the gear motor, and a rack in the gear rack mechanism is installed in the RGV track, so that the gear is meshed with the rack.

Furthermore, the control cabinet supplies power through a sliding contact line, the sliding contact line is installed in the RGV track, a current collector matched with the sliding contact line is installed on the vehicle body, and the control cabinet controls the RGV trolley, the lifting assembly and the fork assembly to work.

Further, the guide mechanism includes: the installation seat and install two spacing gyro wheels in the installation seat below.

Further, the fork assembly includes: the telescopic fork comprises a telescopic fork, a speed reducing motor, a coupler and a transmission shaft, wherein the speed reducing motor is connected with the telescopic fork through the transmission shaft and the coupler, and the speed reducing motor drives the telescopic fork to work.

Further, the lifting assembly comprises: fixing base, crane, guide rail mechanism, right angle speed reducer, gear motor, ball bearing, the crane passes through guide rail mechanism and installs in the fixing base, and right angle speed reducer installs in the crane below, and its output shaft is connected with the ball lower extreme, and ball bearing installs on ball and crane fixed connection, the ball lower extreme passes through the bearing frame fixing base and connects, and gear motor passes through transmission shaft, shaft coupling and is connected with right angle speed reducer.

The utility model has the advantages that:

(1) The RGV side forklift is powered by adopting a sliding contact line, no external drag chain or cable is arranged, and a working area is clean and tidy;

(2) The system is provided with the area sensor, so that the operation space can be detected in real time, and if personnel accidentally enter the system, the equipment stops running, the safety of the personnel is protected, and the safety is improved;

(3) The RGV is provided with a guide mechanism, so that the trolley cannot derail in the walking process; the RGV trolley ensures the travelling precision of the trolley through a servo motor, a speed reducer and a gear rack transmission mechanism; the RGV can be configured with corresponding counter weights according to the extension length of the fork and the weight of the goods, so that the trolley can not turn over laterally;

(4) The guide mechanism of the lifting assembly adopts a guide rail mechanism, a ball screw transmission mechanism, a servo motor and a speed reducer to ensure the precision and the rigidity in the lifting process;

(5) The pallet fork assembly is provided with the servo motor, the speed reducer and the telescopic pallet fork to ensure the telescopic precision, the pallet fork assembly can be bidirectionally telescopic, the coverage range is large, and various use requirements are met;

(6) The RGV side fork dolly is a triaxial (X/Y/Z) material transfer device, improves its precision through servo motor control, realizes accurate location, and is safe, stable in the motion process, can satisfy most use scenes, improves the suitability, has realized the automatic work piece of transporting between each station.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic view of the structure of the present invention;

fig. 3 is a schematic top view of the present invention;

fig. 4 is a schematic view of the working state structure of the present invention;

FIG. 5 is a schematic diagram of the three-dimensional structure of the RGV track of the present invention;

FIG. 6 is a schematic diagram of the RGV track of the present invention;

FIG. 7 isbase:Sub>A schematic cross-sectional view of FIG. 6A-A;

FIG. 8 is a schematic view of the three-dimensional structure of the RGV of the present invention;

FIG. 9 is a schematic top view of the RGV of the present invention;

FIG. 10 is a schematic view of the internal structure of FIG. 8;

FIG. 11 is a schematic top view of the structure of FIG. 10;

FIG. 12 isbase:Sub>A schematic cross-sectional view of FIG. 11A-A;

fig. 13 is a schematic perspective view of the lifting assembly (retracted) according to the present invention;

FIG. 14 is a schematic front view partially in half of the structure of FIG. 13;

FIG. 15 is a schematic top view of the structure of FIG. 13;

FIG. 16 isbase:Sub>A cross-sectional view of the structure of FIG. 15A-A;

fig. 17 is a schematic view of a three-dimensional structure of the lifting assembly (extending) of the present invention;

fig. 18 is a schematic perspective view of the fork assembly (retracted) of the present invention;

FIG. 19 is a schematic top view of the structure of FIG. 18;

FIG. 20 is a side view of the structure of FIG. 18;

FIG. 21 is a perspective view of the fork assembly of FIG. 18;

in the figure: 1. an RGV track; 11. a base plate; 12. a guide rail; 13. a guide rail adjustment assembly; 14. a current collector; 15. a trolley line; 16. a rack; 17. a gear; 2. an RGV trolley; 21. a frame; 22. a warning light; 23. balancing weight; 24. a guide mechanism; 241. a mounting base; 242. limiting the idler wheel; 25. an area sensor; 26. a control cabinet; 27. a reduction motor; 28. a wheel; 3. a lifting assembly; 31. a fixed seat; 32. a lifting frame; 33. a guide rail mechanism; 34. a right-angle speed reducer; 35. a ball screw; 36. a ball bearing; 37. a bearing seat; 38. a drive shaft; 39. a coupling; 4. a fork assembly; 41. a telescopic fork; 5. a cover plate; 6. a limiting seat; 7. and a limiting block.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail with reference to the accompanying drawings and embodiments. It should be understood, however, that the description herein of specific embodiments is for purposes of illustration only and is not intended to limit the scope of the present disclosure.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to limit the present invention.

As shown in fig. 1 to 4, a novel RGV side forklift includes: the device comprises an RGV track 1, an RGV trolley 2 arranged on the RGV track 1, a lifting component 3 arranged on the RGV trolley 2 and a fork component 4 arranged on the lifting component 3 and extending in two directions, wherein a counter weight 23 corresponding to the extending length of the fork component 4 and the weight of goods is arranged on the RGV trolley 2; stations required for processing workpieces are arranged on two sides of the RGV track 1, and the fork assembly 4 is used for inserting the workpieces on the stations.

The number of the specific stations is determined according to actual conditions, and the stations are sequentially divided into a feeding station, an automatic welding station and a discharging station in the example.

As shown in FIGS. 5-7, the RGV track 1 includes: the device comprises a base plate 11, a guide rail 12 arranged on the base plate 11 and a guide rail 12 adjusting assembly used for fixing the guide rail 12, wherein the guide rail 12 is arranged on the base plate 11 through a plurality of guide rail 12 adjusting assemblies.

As shown in fig. 8-12, the RGV cart 2 includes: the device comprises a frame 21, a warning lamp 22, a counterweight 23, a guide mechanism 24, an area sensor 25, a control cabinet 26, a speed reducing motor 27 and wheels 28; the frame 21 is arranged on the guide rail 12 of the RGV trolley 2 through a plurality of wheels 28, the guide mechanisms 24 are arranged at two ends of the frame 21 and are fixed at two sides clamped on the guide rail 12, the area sensors 25 are arranged at two ends of the trolley body and are used for detecting the surrounding environment of the trolley, the control cabinet 26, the reducing motor 27 and the counterweight 23 are arranged above the trolley body, the reducing motor 27 is used for driving the trolley body to move on the RGV track 1, and the control cabinet 26 is used for controlling the reducing motor 27, the lifting assembly 3 and the fork assembly 4 to work.

The gear motor 27 is driven by a rack and pinion mechanism, a gear 17 in the rack and pinion mechanism is arranged on an output shaft of the gear motor 27, and a rack 16 in the rack and pinion mechanism is arranged in the RGV track 1, so that the gear 17 is meshed with the rack 16.

The control cabinet 26 is powered by a trolley line 15, the trolley line 15 is installed in the RGV track 1, a current collector 14 matched with the trolley line 15 is installed on a vehicle body, the current collector 14 is connected with the control cabinet 26, and the control cabinet 26 controls the RGV trolley 2, the lifting assembly 3 and the fork assembly 4 to work.

The guide mechanism 24 includes: a mounting seat 241 and two limit rollers 242 mounted below the mounting seat 241.

As shown in fig. 13 to 17, the lifting assembly 3 includes: the lifting frame 32 is installed in the fixing base 31 through 4 guide rail mechanisms 24, the two right-angle speed reducers 34 are installed below the lifting frame 32, an output shaft of each right-angle speed reducer 34 is connected with the lower end of the corresponding ball screw 35, the ball bearings 36 are installed on the corresponding ball screws 35 and fixedly connected with the lifting frame 32, the lower ends of the ball screws 35 are connected with the fixing base 31 through bearing blocks 37, and the speed reducing motors 27 are connected with the right-angle speed reducers 34 through transmission shafts 38 and couplers 39.

As shown in fig. 18 to 21, the fork assembly 4 is a stacker bidirectional telescopic fork 41, and specifically includes: telescopic fork 41, gear motor 27, shaft coupling 39, transmission shaft 38, gear motor 27 is connected with telescopic fork 41 through transmission shaft 38, shaft coupling 39, and gear motor 27 drive telescopic fork 41 work.

In this example, the speed reducing motor 27 is composed of a speed reducer and a servo motor, wherein the speed reducer in the speed reducing motor 27 of the RGV car 2 is an L-shaped one-in one-out speed reducer, and the speed reducers in the speed reducing motor 27 of the fork assembly 4 and the lifting assembly 3 are T-shaped one-in two-out speed reducers.

The sliding contact line 15 and a rack 16 in the gear rack mechanism are arranged oppositely, a cover plate 5 is further arranged in the RGV track 1 and used for covering between the two guide rails 12, and a groove is formed above the rack 16 and the sliding contact line 15 in the rack 16 mechanism, so that the gear 17 and the current collector 14 can be conveniently installed.

In order to improve the safety, two ends of the guide rail 12 are provided with a limiting seat 6 for limiting the moving distance of the RGV trolley 2 on the guide rail 12, and a limiting switch is arranged on the RGV trolley 2 at the position corresponding to the limiting seat 6; be equipped with stopper 7 in lifting unit 3, both ends about stopper 7 sets up fixing base 31 for carry on spacingly to the lift of crane 32, be equipped with limit switch on the crane 32 with stopper 7 corresponding position.

A PLC control system is arranged in the control cabinet 26 and is connected with a servo controller of the speed reducing motor 27 through the PLC control system to control the RGV trolley 2 to move on the RGV track 1, control the telescopic motion of the fork assembly 4 and control the lifting motion of the lifting assembly 3; warning light 22 is connected with PLC control system output, and at 2 work of RGV dolly, warning light 22 just opens, and area sensor 25 is connected with PLC control system input, detects the surrounding environment through area sensor 25, and when RGV dolly 2 during operation, when detecting personnel or object, RGV dolly 2 just stop work, limit switch is connected with PLC control system input, through PLC control system control, prevents that lifting unit 3 and RGV dolly 2 from moving transfiniting, improves life.

The specific operation steps are as follows:

1. manually placing a workpiece on a feeding station (a feeding frame or a feeding plate chain);

the RGV side fork truck gets the material from the material loading station, promptly: the lifting assembly 3 is at the lowest position, and the fork assembly 4 is in a retracted state; the RGV trolley 2 moves to a feeding station along a rail, the fork assembly 4 extends out, the lifting assembly 3 rises to enable the workpiece to be separated from a feeding frame, the fork assembly 4 retracts, the lifting assembly 3 descends, and the material taking action is completed;

3.RGV side fork truck is toward automatic weld station material loading: namely: the RGV trolley 2 moves to an automatic welding station along a rail, the lifting component 3 rises, the fork component 4 extends out, the lifting component 3 descends to separate a workpiece from a fork, and the fork component 4 retracts to finish the feeding action;

4. welding the workpiece by the automatic welding station;

5. after welding is finished, the RGV side forklift takes materials from the automatic welding station; namely: the RGV trolley 2 moves to an automatic welding station along a rail, the fork assembly 4 extends out, the lifting assembly 3 ascends to enable the workpiece to be separated from a welding tool, the fork assembly 4 retracts, the lifting assembly 3 descends, and material taking action is finished;

the RGV side forklift carries out blanking to a blanking station (blanking frame or blanking plate chain), namely the RGV trolley 2 moves to the blanking station along a track, the lifting component 3 rises, the fork component 4 extends out, the lifting component 3 descends to separate the workpiece from the fork, the fork component 4 retracts, and the blanking action is finished;

7. the above actions are repeated.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention, which is intended to cover any modifications, equivalent substitutions or improvements made within the spirit and scope of the present invention.

Claims

1. A novel RGV side fork truck which characterized in that includes: the device comprises an RGV track, an RGV trolley arranged on the RGV track, a lifting assembly arranged on the RGV trolley and a fork assembly arranged on the lifting assembly and capable of stretching in two directions, wherein a counter weight corresponding to the extending length of the fork assembly and the weight of goods is arranged on the RGV trolley; stations required for processing workpieces are arranged on two sides of the RGV track, and the fork assembly is used for inserting the workpieces on the stations.

2. The new RGV side lift truck of claim 1 wherein said RGV rails comprise: the guide rail is installed on the bottom plate through a plurality of guide rail adjusting components.

3. The RGV side forklift as claimed in claim 1, wherein the RGV car comprises: the device comprises a frame, a warning lamp, a balance weight, a guide mechanism, a region sensor, a control cabinet, a speed reducing motor and wheels; the frame is installed on the guide rail of RGV dolly through a plurality of wheels, guiding mechanism installs at the both ends of frame to fix in the both sides that clamp at the guide rail, area sensor sets up at the automobile body both ends for examine car surrounding environment, and switch board, gear motor, counter weight are installed in the automobile body top, and gear motor is used for driving the automobile body and moves on the RGV track, and the switch board is used for controlling gear motor, lifting unit, fork subassembly work.

4. A novel RGV side forklift as claimed in claim 3, wherein the gear motor is driven by a rack and pinion mechanism, wherein a gear of the rack and pinion mechanism is installed on the output shaft of the gear motor, and a rack of the rack and pinion mechanism is installed in the RGV rail, so that the gear meshes with the rack.

5. The novel RGV side forklift as claimed in claim 3, wherein the control cabinet is powered by trolley lines, the trolley lines are installed in the RGV tracks, current collectors matched with the trolley lines are installed on the forklift body, and the control cabinet controls the RGV trolley, the lifting assembly and the fork assembly to work.

6. The RGV side lift truck of claim 3, wherein the guide mechanism comprises: the installation seat and install two spacing gyro wheels in the installation seat below.

7. The new RGV side lift truck of claim 1 wherein said fork assembly includes: the telescopic fork comprises a telescopic fork, a speed reducing motor, a coupler and a transmission shaft, wherein the speed reducing motor is connected with the telescopic fork through the transmission shaft and the coupler, and the speed reducing motor drives the telescopic fork to work.

8. The RGV side forklift of claim 1, wherein the lifting assembly comprises: the lifting frame is installed in the fixing base through the guide rail mechanism, the right-angle speed reducer is installed below the lifting frame, an output shaft of the right-angle speed reducer is connected with the lower end of the ball screw, the ball bearing is installed on the ball screw and fixedly connected with the lifting frame, the lower end of the ball screw is connected with the bearing seat fixing base, and the speed reducer is connected with the right-angle speed reducer through a transmission shaft and a coupler.