CN211029692U - Positioning structure and automatic guiding vehicle positioning structure with same - Google Patents
Positioning structure and automatic guiding vehicle positioning structure with same Download PDFInfo
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- CN211029692U CN211029692U CN201921404412.6U CN201921404412U CN211029692U CN 211029692 U CN211029692 U CN 211029692U CN 201921404412 U CN201921404412 U CN 201921404412U CN 211029692 U CN211029692 U CN 211029692U
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Abstract
The utility model provides a location structure and have its automated guided vehicle belongs to positioning mechanism technical field, wherein, location structure, include: the positioning hole is suitable for inserting the positioning pin; the two rotating parts can rotate around the centers of the two rotating parts and are symmetrically arranged on two sides of the opening of the positioning hole; at least part of the outer edge of the rotating part faces the opening direction of the positioning hole and extends out of the opening. The utility model discloses an in-process that the locating pin will get into the locating hole does not need the accurate opening part of aiming at the locating hole, only needs to touch and rotates the piece, can follow the rotation that rotates and enter into the locating hole to relative position between two equipment of location requires comparatively loosely, need not the accurate alignment of harshness.
Description
Technical Field
The utility model relates to a positioning mechanism technical field, concretely relates to location structure and have its automated guided vehicle.
Background
An Automated Guided Vehicle (AGV) is a transport Vehicle equipped with an electromagnetic or optical automatic guide device, which can travel along a predetermined guide path and has safety protection and various transfer functions.
Because external factors such as ground, truckle, the repeated positioning accuracy that general AGV normally navigates is 10mm, and the demand can't satisfy the demand of normal automated assembly, and under the general condition, AGV is as the tractor, is used as some occasions that the precision is not high.
At present, the automation of the work of assembling engine cylinder blocks and the like is gradually realized, and the AGV and the manipulator are required to be matched in more places to realize further automation. When the leakage detection test is carried out on the cylinder body, the leakage detection equipment can be butted when the repeated positioning precision of the engine cylinder body is required to be +/-1 mm. This just needs the AGV dolly that is used for bearing the weight of the cylinder body, when going to test station, can carry out accurate location to guarantee that the equipment of leaking hunting can normally dock with the engine cylinder body.
However, the conventional pin-hole-matching positioning structure in the prior art has a relatively strict requirement on the relative position between two devices to be positioned. Before the positioning structure matched with the pin hole is adopted for positioning, the position of the AGV needs to be debugged for many times, and the requirement that the positioning structure can be adopted for positioning can be met. Therefore, much debugging effort and time is required to position the AGV.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming the adoption pinhole complex location structure among the prior art, and its location condition requires comparatively severer defect to a relative position between two equipment that need advance line location requires comparatively loose location structure is provided.
The utility model provides a positioning structure, include:
the positioning hole is suitable for inserting the positioning pin;
the two rotating parts can rotate around the centers of the two rotating parts and are symmetrically arranged on two sides of the opening of the positioning hole;
at least part of the outer edge of the rotating part faces the opening direction of the positioning hole and extends out of the opening.
Preferably, at least a part of the outer edge of the rotating member extends inward from the inner side wall of the positioning hole toward the center line of the positioning hole.
Preferably, the outer edges of the two rotating parts which are symmetrically arranged are suitable for being clamped on two sides of the cylindrical section of the positioning pin.
Preferably, the other end of the positioning hole, which is far away from the opening, is provided with a bottom plate.
Preferably, the rotating members are three and are respectively arranged at the left side, the right side and the upper side of the positioning hole.
Preferably, the rotating member is disposed at a side of the opening of the positioning hole through a rotating shaft.
Preferably, the rotor is a bearing assembly.
The utility model also provides an automatic guide vehicle, including above-mentioned arbitrary item location structure.
Preferably, the positioning structures are at least two and are symmetrically arranged on two sides of the vehicle body.
Preferably, the number of the positioning structures is four, and the four positioning structures are respectively arranged on the left side and the right side close to the front end and the left side and the right side close to the rear end of the vehicle body.
The technical proposal of the utility model has the advantages that,
1. the utility model provides a location structure, including the locating hole and rotating the piece, wherein, the part edge of rotating the piece, towards the opening direction of locating hole, outwards stretches out the opening, and the locating pin will get into the in-process of locating hole, does not need the mouth department of accurate alignment locating hole, only need touch the piece of rotating to can follow the rotation of rotating the piece and enter into the locating hole in to relative position between two equipment of location requires comparatively loosely, need not rigorous accurate alignment.
2. The utility model provides a positioning structure, part of the edge of the rotating part extends out of the inner side wall of the positioning hole inwards towards the central line direction of the positioning hole; the edge of the rotating piece is in contact with the positioning pin, and the rotating piece rotates along with the positioning pin in the process of pulling out the positioning pin, so that friction is reduced, and the positioning pin is more easily pulled out from the positioning hole.
3. The utility model provides a location structure, the outer fringe of two rotation pieces that the symmetry set up erects in the both sides of the cylinder section of locating pin, and the location is stable, and accurate degree is high.
4. The utility model provides a location structure is provided with the bottom plate keeping away from the open-ended one end of locating hole, and the degree of depth that the locating pin got into, the position that control was injectd can be injectd in the setting of bottom plate.
5. The utility model provides a location structure rotates the piece and has threely, divides to establish at the left and right sides and the upside of locating hole, the three setting for the locating pin can enter into the scope of locating hole and further enlarge, and the setting of the rotation piece of upside can be raised the AGV dolly that is provided with this location structure.
6. The utility model provides a location structure rotates the piece and is bearing assembly, and the rotation frictional force of bearing is less, simple to operate.
7. The utility model provides an automatic guide vehicle has any one of above-mentioned scheme location structure, consequently has any one of above-mentioned scheme advantage.
8. The utility model provides an automatic guide vehicle, positioning mechanism have four, set up respectively in the left and right sides of automobile body near the front end and the left and right sides that is close to the rear end, can fix the automobile body all around for the precision improves, makes this automatic guide vehicle can use the occasion of the automatic assembly of cylinder body or use at the assembly of other automatic high precisions or test the occasion.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic perspective view of the positioning structure of the present invention.
Fig. 2 is a bottom view of the positioning structure of the present invention.
Fig. 3 is a sectional view a-a shown in fig. 2.
Fig. 4 is a perspective view of the positioning pin and the driving device fixed to the base.
FIG. 5 is a front view of FIG. 4 in section at the location of the locating pin.
Fig. 6 is a schematic perspective view of an automated guided vehicle.
Description of reference numerals:
1. positioning holes; 2. an oil-free copper bush; 3. a base plate; 4. a base; 5. a drive device; 6. a floating joint; 7. a bearing seat; 8. a first bearing; 9. a second bearing; 10. a third bearing; 11. positioning pins; 12. a cylindrical section; 13. a conical section; 14. the vehicle is automatically guided.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Example 1
The positioning structure provided by the present embodiment, as shown in fig. 1, includes a base, and a positioning hole 1 adapted to be inserted by a positioning pin 11 is provided on the base. The left and right sides and the upside at locating hole 1 are provided with the rotation piece respectively, the rotation piece can be the bearing, and the bearing has threely, and first bearing 8, second bearing 9 and third bearing 10 are used for carrying out the location of left and right directions to location structure through first bearing 8 and second bearing 9, are used for fixing a position the upper and lower direction of location structure through third bearing 10. As the bearing of the rotating part, the opening direction of the positioning hole 1 is formed, the edge of the opening extends outwards, and in the process that the positioning pin 11 extends into the positioning hole direction, the edge of the bearing is touched, the bearing can rotate along the bearing and slide into the positioning hole, so that the accuracy of the positioning pin 11 entering the positioning hole 1 can be reduced. After the positioning pin 11 is inserted into the positioning hole 1, the positioning structure can be positioned in the left-right direction and the up-down direction through the matching with the positioning pin. In addition, when the positioning of the up-down position is not required, the rotating member located above the positioning hole may be omitted, that is, the third bearing may be omitted.
As an alternative, the rotatable member may be implemented using other conventional rotatable members, such as a universal ball, in addition to the bearing.
As shown in fig. 2, which is a bottom view of the positioning structure. As shown in the figure, the first bearing 8 and the second bearing 9 are arranged on the left side and the right side of the positioning hole, and have edges which extend towards the central line direction of the positioning hole and towards the inner side wall of the positioning hole 1, and the edges can prevent the friction between the positioning pin and the inner wall of the positioning hole in the process of pulling out the positioning pin, and the positioning pin can be conveniently pulled out of the positioning hole through the rotation of the bearings. The one end of keeping away from the open-ended of locating hole is provided with bottom plate 3 for when contacting through locating pin and bottom plate, can adjust location structure and move towards one side, thereby adjust location structure's width direction's position.
As shown in fig. 3, the first bearing 8, the second bearing 9 and the third bearing 10 are connected to the substrate through the rotating shaft, and when the positioning pin is matched with the positioning hole, the first bearing is contacted with the positioning pin through the bearings, so that the inner wall of the positioning hole is prevented from being in friction contact with the positioning pin. In the process of inserting or extracting the positioning pin, the bearing rotates along with the positioning pin, so that the friction force of the positioning pin is reduced, and the positioning pin is conveniently extracted from the positioning hole.
As shown in fig. 4, a positioning pin 11 for cooperating with the positioning hole of the positioning structure is slidably connected to the base 4, and the driving device 5 drives the positioning pin 11 to extend and retract. Specifically, drive arrangement can adopt the cylinder, cylinder and 4 fixed connection of base, and the output of cylinder is connected with the rear end of locating pin through floating joint 6, and floating joint 6's setting can reduce the loss to the cylinder. The base is provided with a bearing seat 7, and the bearing seat 7 is in sliding connection with a positioning pin 11. A limiting piece is also arranged on the locating pin, and the limiting piece is a flange with the outer diameter larger than the inner diameter of the bearing seat 7; the locating part is fixed at the rear end of the locating pin, and when the cylinder is started, the extending length of the locating pin is limited by blocking the locating part by the bearing seat 7.
As shown in fig. 5, the oil-free copper bush 2 is fixed in the bearing housing 7, and the oil-free copper bush 2 is in sliding contact with the positioning pin 11, so that friction loss and surface wear of the positioning pin 11 can be reduced. The front end of the positioning pin is provided with a cylindrical section 12 and a conical section 13, the conical section is used for being conveniently inserted into the positioning hole, the cylindrical section is used for being in contact fit with a bearing in the positioning hole, and when the positioning pin extends out to a positioning position towards the positioning hole, the outer edge of the bearing is clamped on the cylindrical section of the positioning pin.
Example 2
As shown in fig. 6, the automated guided vehicle 14 according to the present embodiment includes a vehicle body, and four positioning structures described in embodiment 1 are attached to the left and right sides of the vehicle body. Specifically, the positioning structures are respectively arranged on the left side and the right side of the vehicle body close to the front end and the left side and the right side of the vehicle body close to the rear end. When the automatic guided vehicle is positioned, the positioning pin 11 is inserted into the positioning hole 1 of the positioning structure by driving of the air cylinder, so that the automatic guided vehicle can be positioned in the front-rear, left-right direction, and up-down direction. And, compare in traditional pinhole cooperation structure, this kind of cooperation form of this embodiment has realized the point contact through rotating the piece, and is not only more laborsaving when the locating pin inserts and takes out, moreover, because the area size that can receive the locating pin that rotates the piece and has increased the locating hole, consequently, when fixing a position the automated guided vehicle, not so strict to the relative position requirement of four location frocks, can save very big debugging work load like this. And the over-positioning is not easy to generate, the load on the cylinder is small, and the service life of the cylinder can be prolonged.
In addition, as an alternative embodiment, the positioning structure may be disposed on other positions besides two sides on the vehicle body, such as the top or bottom of the vehicle body.
Method of use and principles
The automatic guided vehicle sends a signal through the optical communication sensor by reaching an appointed station, the positioning pin is ejected out by the cylinder, four positioning structures are arranged in the automatic guided vehicle, the automatic guided vehicle body is slightly lifted through the matching of the three bearings and the positioning pin, so that the height of the trolley and the position precision in the front-back direction are adjusted, when the positioning pin is ejected to a separation blade in the positioning structures, the precision in the width direction of the trolley body is also adjusted, and the whole trolley body can reach the appointed precision.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (10)
1. Location structure, its characterized in that includes:
a positioning hole (1) adapted to insert a positioning pin (11);
the two rotating parts can rotate around the centers of the two rotating parts and are symmetrically arranged on two sides of the opening of the positioning hole;
at least part of the outer edge of the rotating part faces the opening direction of the positioning hole and extends out of the opening.
2. The positioning structure as set forth in claim 1, wherein at least a part of an outer edge of said rotating member is projected inwardly from an inner side wall of said positioning hole toward a center line of said positioning hole.
3. The positioning structure according to claim 2, wherein the outer edges of the two rotating members symmetrically disposed to each other are adapted to be interposed between the cylindrical sections of the positioning pins.
4. The positioning structure according to claim 1, wherein a bottom plate (3) is provided on the other end of the positioning hole (1) away from the opening.
5. The positioning structure according to claim 1, wherein the rotation member has three pieces provided on left and right sides and an upper side of the positioning hole.
6. The positioning structure according to claim 1, wherein the rotating member is provided at a side of the opening of the positioning hole (1) by a rotating shaft.
7. The positioning structure of claim 6, wherein the rotating member is a bearing assembly.
8. An automated guided vehicle, characterized by comprising the positioning structure according to any one of claims 1 to 7.
9. The automated guided vehicle of claim 8, wherein the positioning structure has at least two, symmetrically disposed on both sides of the vehicle body.
10. The automated guided vehicle of claim 9, wherein the positioning structures have four, respectively disposed on the left and right sides of the vehicle body near the front end and near the rear end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921404412.6U CN211029692U (en) | 2019-08-27 | 2019-08-27 | Positioning structure and automatic guiding vehicle positioning structure with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921404412.6U CN211029692U (en) | 2019-08-27 | 2019-08-27 | Positioning structure and automatic guiding vehicle positioning structure with same |
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| Publication Number | Publication Date |
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| CN211029692U true CN211029692U (en) | 2020-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921404412.6U Active CN211029692U (en) | 2019-08-27 | 2019-08-27 | Positioning structure and automatic guiding vehicle positioning structure with same |
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| CN (1) | CN211029692U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110421505A (en) * | 2019-08-27 | 2019-11-08 | 华晓精密工业(苏州)有限公司 | Location structure and automatic guided vehicle location structure with it |
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2019
- 2019-08-27 CN CN201921404412.6U patent/CN211029692U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110421505A (en) * | 2019-08-27 | 2019-11-08 | 华晓精密工业(苏州)有限公司 | Location structure and automatic guided vehicle location structure with it |
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