CN210479935U

CN210479935U - Automatic returning device

Info

Publication number: CN210479935U
Application number: CN201921238807.3U
Authority: CN
Inventors: 杨伟龙
Original assignee: GAC Toyota Motor Co Ltd
Current assignee: GAC Toyota Motor Co Ltd
Priority date: 2019-07-31
Filing date: 2019-07-31
Publication date: 2020-05-08
Anticipated expiration: 2029-07-31

Abstract

The utility model discloses an automatic return device, which comprises a telescopic part and an automatic traction part, wherein the telescopic part comprises a telescopic rod and a fixed rod, the telescopic rod is provided with a placing table for placing tools, and the telescopic rod can slide on the fixed rod; the automatic return device is configured to: when the tool is taken out of the placing table, the telescopic rod extends out under the driving of the automatic traction part; when the tool is placed on the placing table, the telescopic rod retracts under the driving of the automatic traction part. Follow the instrument place the bench when taking out, automatic traction portion drives the telescopic link and stretches out along the dead lever, after having used up the instrument, can not put back initial position with the instrument with artifical walking, only need place the instrument and place the platform, automatic traction portion drives the telescopic link and follows the dead lever withdrawal. The labor hour of walking is saved, and the working efficiency is improved.

Description

Automatic returning device

Technical Field

The utility model relates to an automatic field, concretely relates to automatic returning device.

Background

In an industrial production line, a worker needs to replace a tool by walking after using the tool, for example, after the pneumatic tool is used, the pneumatic tool needs to be replaced to an initial position and then the next operation is performed, which increases the working hours and reduces the working efficiency. If the walking time of the pneumatic tool can be used, the labor cost can be reduced and the production efficiency can be improved. Therefore, there is a need for an automatic return device for placing a used tool on the automatic return device to automatically return the tool to an initial position.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims at providing an automatic return device, the instrument that aims at solving and use up needs the manual work to walk and puts back initial position, increases man-hour, problem that work efficiency is low.

In order to achieve the above purpose, the utility model provides an automatic return device, which comprises a telescopic part and an automatic traction part, wherein the telescopic part comprises a telescopic rod and a fixed rod, the telescopic rod is provided with a placing table for placing tools, and the telescopic rod can slide on the fixed rod; the automatic return device is configured to: when the tool is taken out of the placing table, the telescopic rod extends out under the driving of the automatic traction part; when the tool is placed on the placing table, the telescopic rod retracts under the driving of the automatic traction part.

Preferably, the automatic traction part comprises a base frame, a counterweight, a pull rope and a guide wheel assembly for guiding the pull rope, a first fixing point for fixing the pull rope is arranged on the base frame, a second fixing point for fixing the pull rope is arranged on the telescopic rod, and the counterweight is used for descending when the tool is placed on the placing table so as to pull the telescopic rod to retract through the pull rope.

Preferably, the guide wheel assembly comprises a first guide wheel and a second guide wheel, the first guide wheel is fixed on the balancing weight, the first fixing point is positioned above the first guide wheel, and the second guide wheel and the placing table are positioned on the same side of the second fixing point.

Preferably, the guide wheel assembly further comprises a third guide wheel arranged on the base frame, the third guide wheel is located between the first guide wheel and the second guide wheel, and the third guide wheel is located above the first guide wheel.

Preferably, the base frame comprises two vertical rods and an upper cross rod connecting the two vertical rods, and the first fixing point and the third guide wheel are distributed on the upper cross rod at intervals.

Preferably, two all be equipped with first slide rail on the montant, be equipped with on the balancing weight with first slide rail sliding fit's first pulley.

Preferably, four first pulleys which are symmetrically distributed are arranged on the balancing weight.

Preferably, the telescopic rod comprises a first end and a second end which are distributed along the length direction, and the placing table is positioned at the first end.

Preferably, the second fixing point is arranged at a position of the telescopic rod close to the second end.

Preferably, a second sliding rail is arranged on the fixing rod, and a second pulley in sliding fit with the second sliding rail is arranged on the telescopic rod.

In the technical scheme of the utility model, the automatic return device comprises a telescopic part and an automatic traction part, the telescopic part comprises a telescopic rod and a fixed rod, the telescopic rod is provided with a placing table for placing tools, and the telescopic rod can slide on the fixed rod; follow the instrument place the bench when taking out, automatic traction portion drives the telescopic link and stretches out along the dead lever, after having used up the instrument, can not put back initial position with the instrument with artifical walking, only need place the instrument and place the platform, automatic traction portion drives the telescopic link and follows the dead lever withdrawal. The labor hour of walking is saved, and the working efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an automatic returning device according to an embodiment of the present invention.

The reference numbers illustrate:

the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.

The utility model discloses what point to "upper and lower, left and right" is with the position that figure 1 shows as the benchmark, promptly the utility model discloses the upper and lower position that "upper and lower" that points to corresponds figure 1, the utility model discloses the position of controlling that "control" that points to corresponds figure 1.

The utility model provides an automatic returning device, as shown in figure 1, comprising a telescopic part and an automatic traction part, wherein the telescopic part comprises a telescopic rod 1 and a fixed rod 2, a placing platform 13 for placing tools is arranged on the telescopic rod 1, and the telescopic rod 1 can slide on the fixed rod 2; the automatic return device is configured to: when the tool is taken out from the placing table 13, the telescopic rod 1 is driven by the automatic traction part to extend out; when the tool is placed on the placing table 13, the telescopic rod 1 is retracted by the automatic drawing part.

The utility model discloses an automatic returning device is used for returning the initial position automatically with the instrument that uses up, and above-mentioned instrument can be pneumatic tool, for example pneumatic screwdriver, pneumatic spanner, pneumatic polisher etc. and this embodiment uses pneumatic screwdriver as the illustration the utility model discloses automatic returning device's theory of operation. Fig. 1 is the telescopic link state of stretching out, pneumatic screwdriver places on automatic returning means's the platform 13 of placing, telescopic link 1 is in the withdrawal state this moment, when the workman needs to use pneumatic screwdriver, take out pneumatic screwdriver from placing platform 13, automatic traction portion drives telescopic link 1 and stretches out to the work position (the work position indicates the position that the workman used pneumatic screwdriver), when the workman used up pneumatic screwdriver, only need with pneumatic screwdriver place on placing platform 13 can, need not to walk and put back pneumatic screwdriver, automatic traction portion drives telescopic link 1 and slides the withdrawal along dead lever 2.

Specifically, the automatic traction portion includes a base frame 3, a weight 4, a pull rope 5, and a guide wheel assembly for guiding the pull rope 5, a first fixing point 311 for fixing the pull rope 5 is provided on the base frame 3, a second fixing point 16 for fixing the pull rope 5 is provided on the telescopic link 1, and the weight 4 is used for descending when the tool is placed on the placing table 13 to pull the telescopic link 1 to retract through the pull rope 5. The pulling rope 5 extends from the first fixing point 311, passes through the guide wheel assembly to reach the second fixing point 16, and the pulling rope 5 is always in a tensioned state under the action of the guide wheel assembly. When a worker takes the pneumatic screwdriver out of the placing table 13 of the telescopic rod 1, the balancing weight 4 pulls the pull rope 5 downwards due to the gravity action of the balancing weight 4, and then the telescopic rod 1 is pulled to extend out; when the worker uses the pneumatic screwdriver and puts the pneumatic screwdriver back to the placing table 13, the telescopic rod 1 slides downwards due to the gravity action of the pneumatic screwdriver, and the pull rope 5 pulls the balancing weight 4 to rise. It can be understood that the automatic traction part of the structure is designed by a lever principle, the gravity of the pneumatic screwdriver needs to be larger than that of the counterweight block 4, the extension direction of the telescopic rod 1 from the placing table 13 to the second fixing point 16 is inclined downwards, and the fixing rod 2 and the telescopic rod 1 are parallel to each other. The automatic traction part is simple in structure, and production cost is reduced.

Of course, it should be noted that, in other embodiments, the automatic traction part may also be a linear driving part and a sensor, the linear driving part is a linear motor, a pneumatic cylinder or a hydraulic cylinder, for example, a sensor is arranged on the placing table 13 and connected with the linear driving part, when the placing table 13 senses that the pneumatic screwdriver is taken out, the linear driving part drives the telescopic rod 1 to extend, and when the placing table 13 senses that the pneumatic screwdriver is placed in place, the linear driving part drives the telescopic rod 1 to retract. Obviously, the cost of the automatic traction part consisting of the linear drive and the inductor is higher.

More specifically, the guide wheel assembly includes a first guide wheel 61 and a second guide wheel 62, the first guide wheel 61 is fixed to the weight block 4, the first fixing point 311 is located above the first guide wheel 61, and the second guide wheel 62 and the placing table 13 are located on the same side as the second fixing point 16. The pulling rope 5 extends from the first fixing point 311 to the first guide wheel 61, then passes through the second guide wheel 62, and finally is fixed to the second fixing point 16 of the telescopic rod 1. The second guide wheel 62 may be fixed to the fixing lever 2 at an upper left of the first guide wheel 61 for tightening the pulling rope 5. The first guide wheel 61 is fixed on the upper end of the counterweight block 4, and the pull rope 5 on the first guide wheel 61 can pull the counterweight block 4 to rise.

As a preferred embodiment, the guide wheel assembly further includes a third guide wheel 63 disposed on the base frame 3, the third guide wheel 63 is located between the first guide wheel 61 and the second guide wheel 62, and the third guide wheel 63 is located above the first guide wheel 61. The pull rope 5 extends downward from the first fixing point 311, passes through the first guide pulley 61, then extends upward through the third guide pulley 63, further extends downward to the left through the second guide pulley 62, and finally extends downward to the right and is fixed to the second fixing point 16. The third guide wheel 63 facilitates the lifting and lowering of the balancing weight 4 of the pull rope 5, and is also beneficial to the pull rope 5 to be always in a tensioned state. Because the gravity of the pneumatic screwdriver is greater than that of the counterweight block 4, when the pneumatic screwdriver is placed on the telescopic rod 1, the counterweight block 4 is at the highest position. When a worker takes out the pneumatic screwdriver, the counterweight block 4 pulls the pull rope 5 to move downwards under the action of the gravity of the counterweight block 4, and the pull rope 5 pulls the telescopic rod 1 to extend out; when the worker puts the pneumatic screwdriver back to the placing table 13, the pull rope 5 pulls the counterweight block 4 to ascend again under the action of gravity of the pneumatic screwdriver, and the telescopic rod 1 slides to retract.

The base frame 3 of the present embodiment includes two vertical rods 32 and an upper cross rod 31 connecting the two vertical rods 32, and the first fixing point 311 and the third guide wheel 63 are spaced apart from each other on the upper cross rod 31. The fixing rod 2 can be fixed with the vertical rod 32, and the first fixing point 311 and the third guide wheel 63 are arranged on the upper cross rod 31 at a proper interval, so that the balancing weight 4 can smoothly pull the pull rope 5 to move downwards. In other embodiments, the first fixing point 311 and the third guiding wheel 63 can be respectively arranged on the vertical rod 32, and the telescopic rod 1 can be pulled to retract only if the weight of the counterweight block 4 needs to be weighted.

More preferably, a first slide rail (not shown) is disposed on each of the two vertical rods 32, and a first pulley 41 slidably engaged with the first slide rail is disposed on the counterweight 4. First slide rail plays the effect of direction for balancing weight 4 is more steady in the motion of vertical direction, the stability of whole structure.

The counterweight 4 of this embodiment is provided with four first pulleys 41 symmetrically distributed. Two first pulleys 41 are provided on the left and right sides, respectively, to further increase the structural stability of the automatic returning apparatus of the present embodiment.

The telescopic rod 1 comprises a first end 14 and a second end 15 distributed along the length direction, and the placing platform 13 is positioned at the first end 14. Placing the platform 13 can be for the support that matches with pneumatic screwdriver shape, will place the platform 13 and set up the tip at telescopic link 1, make things convenient for taking of pneumatic screwdriver, and according to lever principle, will place platform 13 and set up when the tip, the pulling force that the pulling balancing weight 4 rose is minimum, has alleviateed the weight of balancing weight 4.

The second fixed point 16 is arranged at the position of the telescopic rod 1 close to the second end 15, and the second fixed point 16 is arranged at the position close to the second end 15 as much as possible according to the lever principle, so that the pulling force for pulling the balance weight block 4 by the pull rope 5 to rise is reduced, and the weight of the balance weight block 4 can be correspondingly reduced.

In addition, a second slide rail is arranged on the fixed rod 2, and a second pulley (not shown) which is in sliding fit with the second slide rail (not shown) is arranged on the telescopic rod 1. Through the cooperation of second slide rail and second pulley for telescopic link 1 slides on dead lever 2 flexible more easily. The telescopic rod 1 can include an upper telescopic rod 11 and a lower telescopic rod 12, and the upper telescopic rod 11 and the lower telescopic rod 12 are both provided with second pulleys. Correspondingly, the number of the second slide rails is two, and the second slide rails are respectively distributed on the upper side and the lower side of the fixing rod 2.

The above is only the preferred embodiment of the present invention, not limiting the scope of the present invention, all of which are under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.

Claims

1. An automatic return device is characterized by comprising a telescopic part and an automatic traction part, wherein the telescopic part comprises a telescopic rod and a fixed rod, the telescopic rod is provided with a placing table for placing tools, and the telescopic rod can slide on the fixed rod; the automatic return device is configured to: when the tool is taken out of the placing table, the telescopic rod extends out under the driving of the automatic traction part; when the tool is placed on the placing table, the telescopic rod retracts under the driving of the automatic traction part.

2. The automatic return device according to claim 1, wherein the automatic traction portion includes a base frame provided with a first fixing point for fixing the pulling rope, a weight block provided with a second fixing point for fixing the pulling rope, a pulling rope, and a guide wheel assembly for guiding the pulling rope, the weight block being adapted to descend when the tool is placed on the placing table to pull the pulling rope to retract.

3. The automatic return device of claim 2 wherein said guide wheel assembly includes a first guide wheel and a second guide wheel, said first guide wheel being fixed to said counterweight, said first fixed point being located above said first guide wheel, said second guide wheel being located on the same side of said second fixed point as said placement table.

4. The automatic return device of claim 3, wherein said guide wheel assembly further comprises a third guide wheel disposed on said base frame, said third guide wheel being positioned between said first guide wheel and said second guide wheel, said third guide wheel being positioned above said first guide wheel.

5. The automatic return device of claim 4 wherein said base frame includes two vertical bars and an upper cross bar connecting said two vertical bars, said first fixed point and said third guide wheel being spaced apart on said upper cross bar.

6. The automatic return device of claim 5 wherein a first slide rail is provided on each of said two vertical rods, and a first pulley slidably engaged with said first slide rail is provided on said counterweight.

7. The automatic return device of claim 6 wherein said counterweight has four symmetrically disposed said first pulleys.

8. The automatic return device of claim 2 wherein said telescoping rod includes a first end and a second end disposed along the length of said telescoping rod, said platform being located at said first end.

9. The automatic return device of claim 8 wherein said second fixed point is located on said telescoping rod near said second end.

10. The automatic return device according to any one of claims 1 to 9, wherein a second slide rail is provided on the fixed bar, and a second pulley slidably engaged with the second slide rail is provided on the telescopic bar.