SUMMERY OF THE UTILITY MODEL
To the defect that exists among the prior art, the utility model aims to provide a novel automatic ground-air friction conveying system adopts unitized combination form and friction drive principle, has that the system layout is simple and direct, the noise of delivery is low, the combination form is nimble, overhaul and maintain outstanding characteristics such as convenient.
In order to achieve the above purpose, the utility model adopts the technical proposal that: a novel automatic ground-air friction conveying system comprises a ground friction conveying line and an air friction conveying line, wherein the ground friction conveying line comprises a ground guide rail, a trolley and a plurality of first friction driving devices; the trolley is arranged on the ground guide rail in a sliding mode, and a tool bracket for bearing a workpiece is arranged on the trolley; each first friction driving device is arranged at intervals along the ground guide rail and used for driving the trolley to move; the aerial friction conveying line comprises an aerial guide rail, an aerial conveying device and a plurality of second friction driving devices; the aerial conveying device is arranged on the aerial guide rail in a sliding mode and used for hanging and conveying workpieces; and the second friction driving devices are arranged at intervals along the aerial guide rail and are used for driving the aerial conveying device to move.
The further improvement lies in that: the ground friction conveying line further comprises a side jacking machine arranged at the station transferring position.
The further improvement lies in that: travelling wheels and guide wheels matched with the ground guide rails are arranged at the bottom of the trolley.
The further improvement lies in that: the first friction driving device comprises a first speed reducing motor, a first friction wheel, a first fixed seat, a connecting seat, a first tension adjusting spring and an inductive switch; the first fixed seat is arranged on the outer side of the ground guide rail; the connecting seat is hinged with the first fixed seat; the first speed reducing motor is arranged on the connecting seat, and a driving shaft of the first speed reducing motor is connected with a first driving wheel; two ends of the first tension adjusting spring are respectively connected with the first fixing seat and the connecting seat, and a first adjusting nut for adjusting tension is arranged at one end of the first tension adjusting spring; the first friction wheel is arranged on the inner side of the ground guide rail and is used for being matched with the corresponding first driving wheel; the inductive switch is arranged on the first fixed seat.
The further improvement lies in that: the aerial conveying device is a suspended conveying chain device or an aerial skid conveying device.
The further improvement lies in that: and the workpiece loading station and the workpiece unloading station of the aerial guide rail are both provided with a lifter.
The further improvement lies in that: the second friction driving device comprises a second speed reducing motor, a second fixed seat and a second tension adjusting spring; the second fixed seat is arranged on the inner side of the air guide rail; the second speed reducing motor is arranged on the second fixed seat, and a driving shaft of the second speed reducing motor is connected with a second driving wheel; the second tension adjusting spring is arranged in the second fixed seat, and a second adjusting nut for adjusting tension is arranged at one end of the second tension adjusting spring; and a second friction wheel matched with the second driving wheel is arranged on the outer side of the air guide rail.
The further improvement lies in that: a rotary friction driving device is arranged at the turning position of the air guide rail and comprises a third speed reducing motor, a third fixed seat and a third tension adjusting spring; the third fixing seat is arranged on the inner side of the air guide rail; the third speed reducing motor is arranged on the third fixing seat, and a driving shaft of the third speed reducing motor is connected with a third driving wheel; the third tension adjusting spring is arranged in the third fixed seat, and a third adjusting nut for adjusting tension is arranged at one end of the third tension adjusting spring; the third fixing seat is also provided with an adjusting cylinder and an integral rotary type machine seat, the adjusting cylinder is connected with the third fixing seat through a cylinder seat, one end of the integral rotary type machine seat is connected with the third fixing seat, and the other end of the integral rotary type machine seat is provided with a third friction wheel matched with a third driving wheel.
The further improvement lies in that: the air guide rail is also provided with a turnout device, and the turnout device comprises a turnout body, a limiting seat, a rib plate, a swing rod, a turnout tongue, a cylinder assembly and a backstop; the cylinder body end of the air cylinder assembly is connected with the turnout body, the piston end of the air cylinder assembly is connected with one end of the swing rod, and the other end of the swing rod is connected with the turnout tongue; the turnout tongue is arranged between the turnout body and the air guide rail, and a rib plate is arranged in the turnout tongue; the turnout body is also provided with a backstop and a limiting seat, the backstop is matched with the swing rod, and the limiting seat is matched with the turnout tongue.
The further improvement lies in that: the device also comprises a plurality of stoppers which are arranged at the station transferring position of the ground guide rail and on the turnout device and used for preventing the workpieces from reversely running.
The beneficial effects of the utility model reside in that:
1. the utility model discloses a miniwatt speed reducer is special material drive wheel of multiple spot drive in proper order, through the friction between drive wheel and pinch roller, thereby drive the work piece operation, it can realize the forward and reverse operation simultaneously, operate steadily, moreover, the steam generator is compact in structure, effectively reduce the workshop noise when operation, it is big to have improved the manual work and transported intensity of labour, the production beat is controllable, satisfy the production needs better, workshop equipment occupation space has been saved, because miniwatt motor is used in turn, greatly reduced the energy consumption, adopt the multiple spot dispersion centralized control mode, can realize power automatic control, the fault alarm handles, automatic recovery, functions such as complete machine is opened and close. In addition, as a novel automatic ground-air friction conveying mode, the friction conveying system has the outstanding characteristics of simple system arrangement, low conveying noise, flexible combination form, convenience in maintenance and the like due to the adoption of a unitized combination form and a friction driving principle, and is widely applied to automobile welding and coating process lines in recent years.
2. The maintenance cost is subtracted according to 5-6 ten thousand payroll calculation of 1 person per year, and the labor cost can be saved by more than 50 ten thousand. But also reduces occupational diseases caused by high-intensity labor. The operation cost of the enterprise is reduced, and the market competitiveness of the enterprise is increased. According to the calculation of 6 lines popularized every year, the cost of an enterprise can be reduced by 300 ten thousand yuan.
Drawings
Fig. 1 is a schematic view of a ground friction conveying line in an embodiment of the present invention;
FIG. 2 is a front view of the ground friction conveying line in the embodiment of the present invention;
FIG. 3 is a schematic view of a side roof machine at the position where the vehicle body and the transition sledge are hung in an embodiment of the present invention;
fig. 4 is a schematic view of a side jacking machine at a position where a lifting appliance and a transition sledge are hung in an embodiment of the present invention;
fig. 5 is a schematic view of a first friction driving device according to an embodiment of the present invention;
FIG. 6 is a top view of FIG. 5;
fig. 7 is a schematic view of an aerial friction conveying line according to an embodiment of the present invention;
FIG. 8 is a schematic view of an aerial guide rail in an embodiment of the present invention;
FIG. 9 is a view from A-A in FIG. 7;
FIG. 10 is a view from B-B in FIG. 7;
fig. 11 is a schematic view of a second friction drive according to an embodiment of the present invention;
fig. 12 is a schematic view of another view angle of the second friction driving device in the embodiment of the present invention;
FIG. 13 is a schematic view of a rotary friction drive according to an embodiment of the present invention;
FIG. 14 is a schematic view of another perspective of the rotary friction driving device in an embodiment of the present invention;
fig. 15 is a schematic view of a switch device in an embodiment of the present invention.
Reference numerals:
100-ground friction conveying line;
110-a ground rail;
120-a first friction drive; 121-a first fixed seat; 122-a first gear motor; 123-connecting seat; 124-a first tension adjusting spring; 125-a first adjusting nut; 126-a first drive wheel; 127-a first friction wheel; 128-an inductive switch;
130-a trolley; 131-a travelling wheel; 132-a guide wheel;
140-side top machine.
200-a tooling bracket; 210-workpiece.
300-aerial friction conveyor line;
310-an air rail;
320-a second friction drive; 321-a second fixed seat; 322-a second gear motor; 323-a second drive wheel; 324-a second tensioning spring; 325-a second adjusting nut;
330-rotary friction drive; 331-a third fixed seat; 332-adjusting the cylinder; 333-cylinder seat; 334-integral rotary stand; 335 — a third drive wheel; 336-a third tension adjusting spring; 337-third adjusting nut; 338-a third gear motor;
340-a switch device; 341-turnout body; 342-a swing rod; 343-forked tongues; 344-rib plate; 345-a limiting seat; 346-a cylinder assembly; 347-backstop;
350-an aerial delivery device;
360-lifter.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout.
In the description of the present invention, it should be noted that, for the orientation words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and the positional relationship are indicated based on the orientation or the positional relationship shown in the drawings, and the description is only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or the element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific protection scope of the present invention.
Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and "a plurality" or "a plurality" in the description of the invention means two or more unless a specific definition is explicitly provided.
The technical solution and the advantages of the present invention will be more clear and clear by further describing the embodiments of the present invention with reference to the drawings of the specification. The embodiments described below are exemplary and are intended to be illustrative of the present invention, but should not be construed as limiting the invention.
Referring to fig. 1, 2, 3 and 4, an embodiment of the present invention provides a novel automatic ground-air friction conveying system, which includes a ground friction conveying line 100 and an air friction conveying line 300, where the ground friction conveying line 100 includes a ground guide rail 110, a trolley 130 and a plurality of first friction driving devices 120; the trolley 130 is slidably arranged on the ground guide rail 110, and a tool bracket 200 for bearing a workpiece 210 is arranged on the trolley 130; the first friction driving devices 120 are arranged at intervals along the ground guide rail 110 and are used for driving the trolley 130 to move; specifically, the bottom of the trolley 130 is provided with a traveling wheel 131 and a guide wheel 132 which are matched with the ground guide rail 110. Preferably, the ground friction conveyor line 100 further includes a side lift 140 disposed at the station transfer. The rail is the basis of the whole friction conveying system, and the smooth and smooth conveying rail is the key of the stable and reliable operation of the system. In order to improve the wear resistance of the track, the track is composed of 16Mn channel steel and square steel.
Referring to fig. 5 and 6, the first friction driving device 120 includes a first speed reduction motor 122, a first friction wheel 127, a first fixing seat 121, a connecting seat 123, a first tension adjustment spring 124 and an inductive switch 128; wherein,
the first fixing seat 121 is arranged outside the ground guide rail 110;
the connecting seat 123 is hinged with the first fixing seat 121;
the first speed reducing motor 122 is mounted on the connecting seat 123, and a driving shaft of the first speed reducing motor 122 is connected with a first driving wheel 126; the power of the motor reducer is usually selected to be between 0.1 and 0.55KW according to process conditions (weight of workpieces, angle of uphill and downhill on a line and the like). The friction driving wheel is made of high-quality polyurethane material and has the advantages of large friction coefficient, high strength performance, long service life and the like.
Two ends of the first tension adjusting spring 124 are respectively connected with the first fixing seat 121 and the connecting seat 123, and one end of the first tension adjusting spring 124 is provided with a first adjusting nut 125 for adjusting tension; the tension adjusting spring can adjust the friction force according to the requirement, so that the friction driving force meets the requirement of workpiece conveying, the generation of overhigh lateral pressure is avoided, and the abrasion to the track is increased.
A first friction wheel 127 is arranged inside the ground rail 110 for cooperation with a corresponding first driving wheel 126;
the inductive switch 128 is disposed on the first fixing base 121.
Because a segmented and independent driving mode is adopted (namely the distance of force transmission of each first friction driving device is the length of one tool), one first friction driving device needs to be arranged at intervals of one tool along the running direction of the system track.
Referring to fig. 7, 8, 9 and 10, the overhead friction conveyor line 300 includes an overhead guide rail 310, an overhead conveyor 350 and a plurality of second friction drives 320; the aerial delivery device 350 is slidably arranged on the aerial guide rail 310, and the aerial delivery device 350 is used for hanging and delivering the workpiece 210; the second friction driving devices 320 are spaced along the air guide rail 310 and are used for driving the air conveying device 350 to move. Specifically, aerial delivery device 350 is a suspended delivery chain device or an aerial skid delivery device. Preferably, the elevator 360 is provided at both the upper and lower stations of the overhead rail 310. Lifter, side top machine production area installation protecting wire net avoid personnel to pass through unusually: fences are used to isolate abnormal contact between personnel and hazardous equipment.
Referring to fig. 11 and 12, the second friction driving device 320 includes a second reduction motor 322, a second fixing seat 321, and a second tension adjusting spring 324; wherein,
the second fixed seat 321 is arranged inside the air guide rail 310;
the second reduction motor 322 is mounted on the second fixing seat 321, and a driving shaft of the second reduction motor 322 is connected with a second driving wheel 323;
the second tension adjusting spring 324 is disposed in the second fixing seat 321, and a second adjusting nut 325 for adjusting tension is disposed at one end of the second tension adjusting spring 324;
a second friction wheel is provided outside the air rail 310 to cooperate with the second drive wheel 323.
Referring to fig. 13 and 14, a rotary friction driving device 330 is disposed at a turning position of the air guide rail 310, and the rotary friction driving device 330 includes a third speed reduction motor 338, a third fixing seat 331, and a third tension adjusting spring 336; wherein,
the third fixing seat 331 is arranged at the inner side of the air guide rail 310;
the third speed reduction motor 338 is mounted on the third fixing seat 331, and a driving shaft of the third speed reduction motor 338 is connected with a third driving wheel 335;
the third tension adjusting spring 336 is arranged in the third fixing seat 331, and one end of the third tension adjusting spring 336 is provided with a third adjusting nut 337 for adjusting tension;
the third fixing seat 331 is further provided with an adjusting cylinder 332 and an integral rotary machine base 334, the adjusting cylinder 332 is connected with the third fixing seat 331 through a cylinder base 333, one end of the integral rotary machine base 334 is connected with the third fixing seat 331, and the other end of the integral rotary machine base 334 is provided with a third friction wheel matched with a third driving wheel 335.
When the tool is turned, the rotary friction driving device synchronously rotates along with the rotation of the tool connecting rod, and the reliable transmission of the driving force is realized. The integral rotary machine base is provided with a reset type stopper, so that the accurate initial position of the integral rotary machine base is ensured.
Referring to fig. 15, the air rail 310 is further provided with a switch device 340, and the switch device 340 comprises a switch body 341, a limit seat 345, a rib plate 344, a swing rod 342, a switch tongue 343, a cylinder assembly 346 and a backstop 347;
the cylinder end of the cylinder assembly 346 is connected with the turnout body 341, the piston end of the cylinder assembly 346 is connected with one end of the swing rod 342, and the other end of the swing rod 342 is connected with the turnout tongue 343;
the switch tongue 343 is arranged between the switch body 341 and the air guide rail 310, and a rib plate 344 is arranged in the switch tongue 343;
the switch body 341 is further provided with a backstop 347 and a limit seat 345, the backstop 347 is matched with the swing rod 342, and the limit seat 345 is matched with the switch tongue 343.
The confluence turnout is a device for realizing line merging. The branch can be divided into various directions and angles according to the branch. Because of the action of the tongue piece can be stirred automatically to the guide pulley when the frock passes through, therefore compare with reposition of redundant personnel switch, do not need to join in marriage in addition the motor speed reducer.
Specifically, the device further comprises a plurality of stoppers which are arranged at the station hanging position of the ground guide rail 110 and on the turnout device 340 and are used for preventing the workpiece 210 from reversely running. When the stopper moves, the motor reducer drives the eccentric wheel to rotate, the stop plate correspondingly rotates, and stop control over the tool is achieved. The stopper is provided with a sensing switch to provide the action state of the stopper to the system at any time.
The tool is conveyed to a butt joint roller way by a storage area system according to assembly requirements, a stopper is arranged on the roller way for accurate in-place control, and an electric control switch is manually controlled and automatically controlled to finish the installation of signal lamps and music prompts. Then the special rubber wheels are driven by a motor on the conveying roller way to be conveyed to the next station, and the special rubber wheels are conveyed to the air by a lifter and a side jacking machine and then conveyed to the air by an air skid conveying system. All production beats can be automatically instructed and manually instructed by an electric pneumatic system according to production conditions.
In a complex process production line, according to the working condition requirements of each working procedure, a friction conveying system is organically combined with other conveying modes to meet the requirements of the whole process.
For example, in an automatic conveying system for automobile coating, a friction conveying mode is adopted in the processes of conveying and storing automobile bodies, gluing PVC and the like. In the former treatment and electrophoresis process, the mode of hanging the conveying chain needs to be changed. In this system, therefore, the friction conveying mode is combined with the suspension conveying chain.
As one of the automated conveying methods, the friction conveying system adopts different switching devices in combination with the production process conditions.
For example, in the automobile welding production process, a single-plate conveyor is adopted in a post-welding automobile body adjusting line, and a friction conveying system is used for storing and conveying the adjusted automobile body from a welding workshop to a coating workshop in the air. At the moment, a fork type transfer elevator can be adopted, so that the vertical distance between the vehicle body and the air friction conveying system from the ground single-plate conveyor can be transferred, and the horizontal direction of the vehicle body between two process supporting points can be moved. Of course, there are various transfer methods according to different process conditions.
The utility model discloses automatic ground-air friction is carried and has not only been satisfied the production beat, has reduced intensity of labour, has practiced thrift labour cost moreover, reduces the workshop noise, has improved the workshop environment. The time spent on transporting the product in one time is more than ten minutes, the product is not moved during the transportation, and the time spent on transporting the product in the next time is too slow in the whole time, so that the requirement of personnel is large. If automatic conveying, automatic hoisting, automatic transferring and automatic unloading are adopted, the time can be controlled to be 10S-300S, energy is saved, the environment is protected, and the conveying efficiency is improved due to the power of technical innovation.
In the description of the specification, reference to the description of "one embodiment," "preferably," "an example," "a specific example" or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention, and schematic representations of the terms in this specification do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
With the above structure and principle in mind, those skilled in the art should understand that the present invention is not limited to the above embodiments, and all modifications and substitutions based on the present invention and adopting the known technology in the art are within the scope of the present invention, which should be limited by the claims.