One kind conveying alignment system
Technical field
The utility model is used for auto manufacturing's conveying technology field, more particularly to the high speed of weld car workshop conveying
A kind of high-precision conveying alignment system.
Background technology
In automobile body-in-white welding conveying technology field, rolling bed is as the workpiece conveying equipment commonly used between station, in thing
Have the function that in material conveying very important.In order to adapt to the needs of high flexibility, high productive temp, conveying of the rolling bed to workpiece must
Need be sought quickness speed, steady, precision height.But now widely used rolling bed is using traditional proximity switch or grating encoding chi
Mode carrys out locating conveying trolley, and transporting velocity is relatively low, precision is not high, and cost is high.
Utility model content
To solve the above problems, the utility model provides a kind of conveying alignment system, it can realize the quick of transport trolley
Convey, be accurately positioned and stable operation, and cost is low.
Technical scheme is used by the utility model solves its technical problem:One kind conveying alignment system, including rolling bed,
Transport trolley and Intelligent variable frequency controller, the transport trolley are provided with reflector, and the rolling bed is described defeated provided with that can drive
The drive mechanism and can be provided with the reflector cooperating for Intelligent variable frequency controller that dolly moves in rolling bed are provided
The range sensor of positional information of the transport trolley in course of conveying, the drive mechanism include being controlled by intelligent frequency-conversion
The motor of device control, the rotary encoder of motor rotary speed information can be fed back to Intelligent variable frequency controller and is located at rolling
Some roller groups driven on bed and by the motor, the roller group are arranged in order in rolling bed and formed at top defeated
Send the transporting flat of transport trolley.
It is further used as the improvement of technical solutions of the utility model, the reflector is on the first installing plate, and described the
One installing plate is installed on transport trolley by hinge, and the range sensor is installed on the first installing plate by the first mounting seat
In the rolling bed of direction of advance, first mounting seat is provided with bootable first installing plate around hinge and rotated so that reflector exists
The guide surface of range sensor is skimmed over when moving to range sensor opening position.
The improvement of technical solutions of the utility model is further used as, first installing plate is installed on by the hinge at top
Transport trolley bottom, first installing plate form mating surface in the both sides of reflector, and first mounting seat has two ears
Seat, range sensor are arranged between two ear mounts, and the top of two ear mounts has and can coordinated with the mating surface and curved
Guide surface.
The improvement of technical solutions of the utility model is further used as, the transport trolley, which is provided with, can protect the first installing plate
Hold the first resetting-mechanism of vertical state.
The improvement of technical solutions of the utility model is further used as, the reflector is fixed on conveying by the second installing plate
On dolly, the range sensor is installed in rolling bed by the second mounting seat, and range sensor is in the advance side of transport trolley
Stagger to reflector, reflector, which has, favours conveying direction setting to form the reflecting surface of range sensor described in face.
The improvement of technical solutions of the utility model is further used as, the reflector is small installed in conveying by swing-bar mechanism
Che Shang, the 3rd installing plate that the swing-bar mechanism includes being located on the transport trolley, by joint pin it is hinged on the described 3rd
Swing rod on installing plate and the tray that can limit the swinging angle of swinging rod, the reflector are located on the swing rod, the distance
Sensor is installed in the rolling bed of reflector direction of advance by the 3rd mounting seat, in the offside of range sensor in the rolling bed
Provided with the first guide holder, there is first guide holder bootable swing rod around hinge pin to be rotated up so that reflector is moving
The second guide surface of range sensor is skimmed over during to range sensor opening position.
The improvement of technical solutions of the utility model is further used as, the swing rod, which is provided with to roll with the second guide surface, matches somebody with somebody
The spherical roller of conjunction and the second resetting-mechanism that swing rod can be driven to reset.
The improvement of technical solutions of the utility model is further used as, the reflector is small installed in conveying by lifting body
Che Shang, the lifting body include be located on the transport trolley the 4th installing plate, be located at leading on the 4th installing plate
Pole socket, the guide rod being arranged on the guide rod seat that can be fluctuated and the floating seat for being located at the lower end of the guide rod, it is described anti-
Emitter is direct or indirect to be connected on the floating seat, before the range sensor is installed on reflector by the 4th mounting seat
Enter in the rolling bed in direction, the offside in the rolling bed in range sensor is provided with the second guide holder, and second guide holder has
Bootable floating seat floats upwards so that reflector skims over the of range sensor when moving to range sensor opening position
Three guide surfaces.
It is further used as the improvement of technical solutions of the utility model, the guide rod seat is provided with least two groups of up/down perforations
Guide rod via, guide rod is respectively provided with each group guide rod via and the oil-free bushing coordinated with corresponding guide rod, the guide rod are provided with
Boss, interior be provided with of guide rod seat prop up threeth resetting-mechanism of the boss so as to guide rod described in downward pushing tow, the floating seat
Bottom, which is provided with, to roll the roller coordinated with the 3rd guide surface.
The improvement of technical solutions of the utility model is further used as, the roller group includes wheel shaft and is located at the wheel shaft two
The delivery wheel at end, belt wheel is provided between the delivery wheel at both ends on the wheel shaft, two adjacent wheel shafts pass through same on belt wheel
Band connection is walked, the roller group includes the active roller group in the middle part of rolling bed and is distributed in the driven rolling of active roller group both sides
Wheel group, output end and the active roller group of the motor are connected, and the bottom at the forward and backward both ends of the transport trolley is equal
Provided with guide pad, the forward and backward both ends of the rolling bed are equipped with some directive wheels, and the directive wheel at the forward and backward both ends of rolling bed, which is respectively formed, to be drawn
Lead the passage that guide pad passes through.
The beneficial effects of the utility model:The utility model uses Intelligent variable frequency controller, and it is by reading the distance
The rotary speed information of the positional information of sensor feedback and rotary encoder feedback, by internal arithmetic, export accurate electricity
Voltage-frequency rate control information, the rotating speed of the motor is controlled, so as to realize the double-closed-loop control side of the conveying alignment system
Formula.The utility model can realize the quick conveying of transport trolley, essence by the above-mentioned technical scheme with double circle controling mode
It is determined that position and stable operation, and cost is low.
Brief description of the drawings
The utility model is described in further detail below in conjunction with the accompanying drawings:
Fig. 1 is the utility model first embodiment overall structure axonometric drawing;
Fig. 2 is partial enlarged drawing at A in Fig. 1;
Fig. 3 is utility model first embodiment overall structure side view;
Fig. 4 is section B-B figure in Fig. 3;
Fig. 5 is partial enlarged drawing at C in Fig. 4;
Fig. 6 is the utility model second embodiment overall structure axonometric drawing;
Fig. 7 is the utility model second embodiment overall structure side view;
Partial enlarged drawing at D in Fig. 8 Fig. 7;
Fig. 9 is the utility model 3rd embodiment overall structure axonometric drawing;
Partial enlarged drawing at E in Figure 10 Fig. 9;
Partial enlarged drawing at F in Figure 11 Fig. 9;
Figure 12 is the utility model 3rd embodiment overall structure side view;
Figure 13 is partial enlarged drawing at G in Figure 12;
Figure 14 is the utility model fourth embodiment overall structure axonometric drawing;
Figure 15 is partial enlarged drawing at H in Figure 12;
Figure 16 is partial enlarged drawing at I in Figure 12;
Figure 17 is the utility model fourth embodiment overall structure side view;
Figure 18 is sectional view at J-J in Figure 17;
Figure 19 is partial enlarged drawing at K in Figure 18;
Figure 20 is utility model double circle controling mode principle schematic.
Embodiment
Referring to figs. 1 to Figure 20, that show the concrete structure of the preferred embodiment of the utility model.Below will specifically
The design feature of bright each part of the utility model, and during if being described to direction (upper and lower, left and right, before and after), be with
Structure shown in Fig. 1, Fig. 6, Fig. 9, Figure 14 is that reference describes, but actual use direction of the present utility model is not limited thereto.
The utility model provides a kind of conveying alignment system, becomes referring to Fig. 1, including rolling bed 1, transport trolley 2 and intelligence
Frequency controller, rolling bed 1 can be continuously disposed on continuous station, and the transport trolley 2 is provided with reflector 31, in the rolling bed 1
Provided with can drive drive mechanism that the transport trolley 2 moves in rolling bed 1 and can with the cooperating of reflector 31 so as to
The range sensor 32 of positional information of the transport trolley 2 in course of conveying is provided for Intelligent variable frequency controller, wherein, institute
Stating drive mechanism includes the motor 41 by Intelligent variable frequency controller control, can feed back motor to Intelligent variable frequency controller
The rotary encoder 42 of 41 rotary speed informations and some roller groups 43 for being located in rolling bed 1 and being driven by the motor 41, institute
Roller group 43 is stated to be arranged in order in rolling bed 1 and form the transporting flat of conveying transport trolley 2 at top.The roller group 43 is wrapped
Include wheel shaft and be located at the delivery wheel at the wheel shaft both ends, belt wheel is provided between the delivery wheel at both ends on the wheel shaft, two is adjacent
By the synchronous band connection on belt wheel, the roller group 43 includes the active roller group in the middle part of rolling bed 1 and divided wheel shaft
Cloth is in the return idler group of active roller group both sides, output end and the drive connection of active roller group of the motor 41.Work
In work, transport trolley 2 is fallen in the latter rolling bed 1 by previous rolling bed 1, and motor 41 drives the active roller in rolling bed 1
Group, the rotation of return idler group, transport trolley 2 are rolling by the friction between its lower surface and active roller group, return idler group
Moved horizontally on bed 1.
Wherein, guide pad 21 is equipped with referring to Fig. 3, the bottom at the forward and backward both ends of the transport trolley 2, the rolling bed 1
Forward and backward both ends are equipped with some directive wheels 11, and the directive wheel 11 at 1 forward and backward both ends of rolling bed is respectively formed what guiding guide pad 21 passed through
Passage, guide pad 21 and directive wheel 11 coordinate for the fine positioning of transport trolley 2.
As the utility model preferred embodiment, referring to Fig. 2, Fig. 4, Fig. 5, the reflector 31 is located at the first installation
On plate 33, first installing plate 33 is installed on transport trolley 2 by hinge, and the range sensor 32 passes through the first installation
Seat 34 is installed in the rolling bed 1 of the direction of advance of the first installing plate 33, and first mounting seat 34 is provided with bootable first installation
The around hinge of plate 33 rotates so that first the drawing that range sensor 32 is skimmed over when moving to 31 opening position of reflector of reflector 31
Guide face 35, the reflector 31 can be avoided to be collided with the range sensor 32.
Further, first installing plate 33 is installed on the bottom of transport trolley 2, first peace by the hinge at top
Loading board 33 forms mating surface 36 in the both sides of reflector 31, and first mounting seat 34 has two ear mounts, range sensor 32
Between two ear mounts, range sensor 32 is hidden in the first mounting seat 34, while is realized by two ear mount gaps
Detecting distance function, the tops of two ear mounts have and can coordinated with the mating surface 36 and the first curved guide surface 35, the
One guide surface 35 may be guided the around hinge of the first installing plate 33 and rotate so that reflector 31 is moving to range sensor opening position
When skim over range sensor 32, avoid the reflector 31 from being collided with the range sensor 32.On the transport trolley 2
Provided with the first resetting-mechanism 37 that the first installing plate 33 can be made to keep vertical state, ensure to skim over the first installation in the first installing plate
It can recover vertical state automatically after seat 34.
As the utility model preferred embodiment, referring to Fig. 6, Fig. 7, Fig. 8, the reflector 31 passes through the second installation
Plate 71 is fixed on transport trolley 2, and the range sensor 32 is installed in rolling bed 1 by the second mounting seat 72, Distance-sensing
Device 32 staggers in the direction of advance of transport trolley 2 with reflector 31, and reflector 31, which has, favours conveying direction setting to be formed
The reflecting surface of range sensor 32 described in face.Range sensor 32 can be around the vertical side of its center by the second mounting seat 72
To, certain angle is rotated in the horizontal plane, so that the distance of detectable reflector 31, and in reflector 31 with transport trolley
During 2 process range sensor 32, it can avoid colliding.
As the utility model preferred embodiment, referring to Fig. 9-Figure 13, the reflector 31 is pacified by swing-bar mechanism
On transport trolley 2, the swing-bar mechanism include be located on the transport trolley 2 the 3rd installing plate 52, pass through joint pin
53 swing rods 54 being hinged on the 3rd installing plate 52 and the tray 55 that can limit the pivot angle of swing rod 54, tray 55 can limit
Extreme lower position of the fixed pendulum bar 54 in vertical plane.The reflector 31 is located at the end of swing rod 54, under normal operating conditions with
The front of range sensor 32 is relative, and the range sensor 32 is installed on the direction of advance of reflector 31 by the 3rd mounting seat 51
In rolling bed 1, the offside in the rolling bed 1 in range sensor 32 is provided with the first guide holder 56, and first guide holder 56 has
The bootable around hinge pin 53 of swing rod 54 is rotated up so that reflector 31 skims over when moving to 32 opening position of range sensor
Second guide surface of range sensor 32.The swing rod 54 be provided with can with the second guide surface roll coordinate spherical roller 57 with
And the second resetting-mechanism that swing rod 54 can be driven to reset, second resetting-mechanism use tension spring 58.Spherical roller 57 is logical
Medium position of the bearing on swing rod 54 is crossed, for reducing the frictional force of the guide surface of swing rod 54 and second.Swing rod 54 passes through
The pulling force of tension spring 58 obliquely can be close on tray 55.When reflector 31 is moved to Distance-sensing with transport trolley 2
During 32 front of device, the spherical roller 57 on swing rod 54 can roll with the second guide surface of the first guide holder 56, so as to promote swing rod
54 around hinge pins 53 rotate, so as to avoid reflector 31 by being collided during range sensor 32 with it.First is have passed through to lead
To after seat 56, swing rod 54 is reset to minimum point due to the pulling force effect of gravity and tension spring 58.
As the utility model preferred embodiment, referring to Figure 14-Figure 19, the reflector 31 is pacified by lifting body
On transport trolley 2, the lifting body include be located on the transport trolley the 4th installing plate 61, be located at the described 4th
Guide rod seat 62 on installing plate 61, the guide rod 63 being arranged on the guide rod seat 62 that can be fluctuated and it is located at the guide rod
The floating seat 64 of 63 lower ends, the reflector 31 is direct or indirect to be connected on the floating seat 64, with range sensor 32
Positive relative, range sensor 32 can detect its distance at any time.The range sensor 32 is installed on by the 4th mounting seat 60
In the rolling bed 1 of the direction of advance of reflector 31, the offside in the rolling bed 1 in range sensor 32 is provided with the second guide holder 65, institute
The second guide holder 65 is stated to float so that reflector 31 is moving to range sensor 32 upwards with bootable floating seat 64
The 3rd guide surface of range sensor 32 is skimmed over during the place of putting, the 3rd guide surface peak position is higher than the highest of range sensor 32
Position.The guide rod seat 62 is provided with the guide rod via of at least two groups up/down perforations, and guide rod 63 is respectively provided with each group guide rod via
And the oil-free bushing 66 coordinated with corresponding guide rod 63, each group guide rod 63 can serve as a contrast in vertical direction along upper and lower two pairs of oil-frees
The passages that set 66 is formed slide, and the guide rod 63 is provided with boss 67, in guide rod seat 62 provided with propping up the boss 67 so that
The 3rd resetting-mechanism of guide rod 63, the 3rd resetting-mechanism use thrust spring 68, the bottom of the floating seat 64 described in downward pushing tow
Portion, which is provided with, to roll the roller 69 coordinated with the 3rd guide surface.Under normal circumstances, thrust spring 68 is by compressing guide rod 63
On boss 67, floating seat 64 is in extreme lower position.When reflector 31 is moved to the front of range sensor 32 with transport trolley 2
When, the roller 69 on floating seat 64 can roll with the 3rd guide surface of the second guide holder 65, so as to promote floating seat 64 to raise, from
And reflector 31 is avoided by being collided during range sensor 32 with it.After have passed through the second guide holder 65, floating seat 64 by
Acted in the pressure of gravity and thrust spring 68, be reset to minimum point.
The utility model uses Intelligent variable frequency controller, by read positional information that the range sensor 32 feeds back and
The rotary speed information of the rotary encoder feedback, by internal arithmetic(The computing belongs to prior art, and the utility model is not to it
It is improved), accurate electric voltage frequency control information is exported, controls the rotating speed of the motor 41, it is described defeated so as to realize
Send the double circle controling mode of alignment system(One kind conveying localization method), referring to Figure 20, the reality of the double circle controling mode
It is now as follows:The Intelligent variable frequency controller controls the motor 41 in the rolling bed 1 to drive the roller in the rolling bed 1
The rotation of group 43, the transport trolley 2 are made by the frictional force between its lower surface and the roller group 43 in the rolling bed 1
Horizontal movement, the reflector 31 being arranged on the transport trolley 2, enter with the transport trolley 2 and be arranged in the rolling bed 1
The range sensor 32 detection range, the range sensor 32 is by receiving the signal of the reflector 31, identification
Positional information of the transport trolley 2 in course of conveying, and positional information is fed back into the Intelligent variable frequency controller.With this
Meanwhile the rotary encoder 42 feeds back the rotary speed information of the motor 41 to the Intelligent variable frequency controller.The intelligence
The positional information for the transport trolley 2 that energy frequency-variable controller feeds back with reference to the range sensor and the rotary encoder 42
The velocity information of the motor 41 of feedback, contrast the transport trolley 2 defaulted in the Intelligent variable frequency controller
Target position information, export accurate electric voltage frequency control information, control the rotating speed of the motor 41, make the conveying
The guide pad 11 of dolly 2, the position of directive wheel 12 entered in the rolling bed 1 of slowing down with the transport trolley 2.The transport trolley
After 2 reach predeterminated position, the Intelligent variable frequency controller controls the motor 41 to stop operating, so as to realize the conveying
Dolly 2 is accurately positioned.
Certainly, the invention is not limited to above-mentioned embodiment, and those skilled in the art are without prejudice to originally
Equivalent variations or replacement can be also made on the premise of utility model spirit, these equivalent modifications or replacement are all contained in the application
In claim limited range.