CN115744237A - Flexible skid positioning device - Google Patents
Flexible skid positioning device Download PDFInfo
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- CN115744237A CN115744237A CN202211490451.9A CN202211490451A CN115744237A CN 115744237 A CN115744237 A CN 115744237A CN 202211490451 A CN202211490451 A CN 202211490451A CN 115744237 A CN115744237 A CN 115744237A
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- sliding sleeve
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Abstract
The invention relates to a flexible skid positioning device, which consists of an X-direction driving source, a driving mechanism, a moving mechanism, a Z-direction driving source and a positioning mechanism, wherein the X-direction driving source is connected with the driving mechanism; one end of the driving mechanism is connected with the X-direction driving source, and the other end of the driving mechanism is connected with the moving mechanism and can drive the moving mechanism to move along the X direction; the Z-direction driving source is fixed with the moving mechanism, is connected with the positioning mechanism and can drive the positioning mechanism to move along the Z direction; the positioning pin of the positioning mechanism can be inserted into the positioning hole of the skid to complete the mechanical positioning of the skid. The X-direction driving source is a servo motor, the driving mechanism is a lead screw, the moving mechanism is composed of a frame, a sliding sleeve and a guide rail, the Z-direction driving source is a lifting motor, and the positioning mechanism is an eccentric pin and is used for transmitting torque required in the action execution process and transmitting force from one component to the next component. The flexible skid positioning device is changed from a traditional fixed type to a movable type; the positioning mechanism is changed from a plurality of positioning mechanisms to one positioning mechanism, and the positioning of different skid positions is realized through the movement of the positioning mechanism.
Description
Technical Field
The invention belongs to the technical field of automobiles, and particularly relates to a flexible skid positioning device.
Background
The multi-vehicle type and multi-platform collinear production conditions of the existing automobile production line are common, the positioning reference positions in the automobile body transfer process are not uniform, and a plurality of mechanical positioning devices are required to be arranged to realize precise positioning.
At present, the traditional positioning mechanism is adopted domestically, and traditional mechanical positioning device is: the fixed structure of rigid fixation, a stepping motor and an eccentric lifting mechanism has the arrangement density of more than or equal to 350mm. The positioning pin of the positioning mechanism can only move up and down, and when a certain vehicle type stops at a stop position required by the roller bed, the positioning pin of the positioning mechanism extends out and is inserted into a positioning port of the skid to complete mechanical positioning of the skid. The mode only can realize that one skid stopping position must be provided with one positioning device, and a plurality of skid stopping positions must be provided with a corresponding number of positioning devices, and meanwhile, each positioning device needs to have a certain space for installation, and the distance between different positioning devices is not less than 350mm.
In addition, the common skid is adopted in the same production line at present, only one positioning hole of the skid is needed, and the skid can be positioned only in the roller bed, so that the limitation is that only 3 positioning devices can be equipped in one roller bed at most. Meanwhile, with the introduction of more new products in the future, the production line has no more space for adding a positioning device.
Therefore, a flexible skid positioning device is urgently needed to solve the problems of repeated precision of the mobile positioning mechanism and adjustable vehicle type position range of the mobile positioning mechanism.
Disclosure of Invention
The invention aims to provide a flexible skid positioning device to solve the problem of positioning different skid positions.
The purpose of the invention is realized by the following technical scheme:
a flexible skid positioning device comprises an X-direction driving source, a driving mechanism, a moving mechanism, a Z-direction driving source and a positioning mechanism;
one end of the driving mechanism is connected with the X-direction driving source, and the other end of the driving mechanism is connected with the moving mechanism and can drive the moving mechanism to move along the X direction; the Z-direction driving source is fixed with the moving mechanism, is connected with the positioning mechanism and can drive the positioning mechanism to move along the Z direction; and a positioning pin of the positioning mechanism can be inserted into a positioning hole of the skid 2 to complete mechanical positioning of the skid.
Further, the X-direction driving source is a servo motor 41 for providing a driving force of the flexible sled positioning device in the X direction.
Further, the driving mechanism is a lead screw 42; the moving mechanism is composed of a frame 45, a sliding sleeve 46 and a guide rail 47.
Furthermore, one end of the screw rod 42 is connected with the servo motor 41, and the other end thereof passes through the mounting hole at the bottom of the sliding sleeve 46 and is fixed with the sliding sleeve; the rotation of the servo motor 41 can drive the screw rod 42 to rotate, and the screw rod 42 rotates to drive the sliding sleeve 46 to move back and forth along the X direction.
Further, the bottom of the frame 45 is fixed on the sliding sleeve 46; the guide rail 47 is fixed on the ground, and the sliding sleeve 46 spans the guide rail 47 and is in sliding fit with the guide rail 47.
Further, the Z-direction driving source is a lifting motor 43, and the lifting motor 43 is fixed on a sliding sleeve 46.
Further, the positioning mechanism is an eccentric pin 44, the eccentric pin 44 is mounted on a frame 45, the bottom of the eccentric pin 44 is connected with the lifting motor 43, and the top of the eccentric pin passes through a central hole in the top of the frame 45 and extends outwards.
Furthermore, the lifting motor 43 can drive the eccentric pin 44 to move along the Z direction, and the eccentric pin is inserted into the positioning port of the sled 2 to complete the mechanical positioning of the sled.
Further, the eccentric pin 44 is used to transmit the torque required during the performance of the action, transmitting force from one component to the next.
Compared with the prior art, the invention has the beneficial effects that:
the invention establishes a novel mechanical positioning structure of the skid, and the positioning mechanism of the skid is changed from a traditional fixed type to a movable type; meanwhile, the positioning mechanism is changed from a plurality of positioning mechanisms into one positioning mechanism, and the positioning of different skid positions is realized through the movement of the positioning mechanism.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.
FIG. 1 is a schematic view of a flexible sled positioning device of the present invention in use at a transfer station;
FIG. 2 is a schematic view of a flexible sled positioning device according to the present invention.
In the figure, 1, a roller bed 2, a skid 3, a vehicle body 4, a flexible skid positioning device 41, a servo motor 42, a lead screw 43, a lifting motor 44, an eccentric pin 45, a frame 46, a sliding sleeve 47 and a guide rail are arranged.
Detailed Description
The invention is further illustrated by the following examples:
the present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some structures related to the present invention are shown in the drawings, not all of them.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present invention, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
The flexible skid positioning device provided by the invention is changed from a traditional fixed type to a movable type, and the positioning of different skid positions is ensured through the movement of a mechanical structure. The flexible skid positioning device is positioned below the roller bed 1 and the skid 2 and matched with the skid 2, and the application of the device in a transfer station is shown in figure 1.
The invention discloses a flexible skid positioning device, which consists of an X-direction driving source, a driving mechanism, a moving mechanism, a Z-direction driving source and a positioning mechanism.
One end of the driving mechanism is connected with the X-direction driving source, and the other end of the driving mechanism is connected with the moving mechanism and can drive the moving mechanism to move along the X direction. The Z-direction driving source is fixed with the moving mechanism, is connected with the positioning mechanism and can drive the positioning mechanism to move along the Z direction. And a positioning pin of the positioning mechanism can be inserted into a positioning hole of the skid 2 to complete the mechanical positioning of the skid.
Specifically, the X-direction driving source is a servo motor 41 for providing a driving force of the flexible sled positioning device in the X direction. In the present invention, the rotation of the servo motor 41 should have a forward and reverse function, and the selection of the motor power should be set according to the friction force of the driver on the track and the repetitive operation beat, and generally, the shorter the beat time, the larger the friction force, the larger the motor power required.
Specifically, the drive mechanism is a lead screw 42. The moving mechanism is composed of a frame 45, a sliding sleeve 46 and a guide rail 47.
The bottom of the frame 45 is fixed on a sliding sleeve 46. The guide rail 47 is fixed on the ground, and the sliding sleeve 46 spans the guide rail 47 and is in sliding fit with the guide rail 47. The sliding sleeve 46 and the guide rail 47 generally need to be matched for use, the sliding sleeve 46 needs to run on the rail, and the gap between the sliding sleeve 46 and the rail needs to ensure that the sliding way runs smoothly on one hand and that the excessive shaking amount cannot occur on the other hand.
One end of the screw rod 42 is connected with the servo motor 41, and the other end of the screw rod passes through the mounting hole at the bottom of the sliding sleeve 46 and is fixed with the sliding sleeve. The rotation of the servo motor 41 can drive the screw rod 42 to rotate, and the screw rod 42 rotates to drive the flexible skid positioning device to move back and forth along the X direction. In the present invention, the length, thickness and material of the lead screw 42 should be considered according to the moving distance of the flexible ski positioning device, the friction force of the flexible ski positioning device and the environment of the device.
The Z-direction driving source is a lifting motor 43, and the lifting motor 43 is fixed on a sliding sleeve 46. The lifting motor 43 is used as a Z-direction driving source of the flexible skid positioning device, and can drive the positioning pin to move up and down along the Z direction, and the power of the motor can be generally selected according to the moving distance of the positioning pin.
The positioning mechanism is an eccentric pin 44, the eccentric pin 44 is installed on a frame 45, the bottom of the eccentric pin 44 is connected with a lifting motor 43, and the top of the eccentric pin passes through a central hole in the top of the frame 45 and extends outwards. The lifting motor 43 drives the eccentric pin 44 to move the positioning pin up and down, so that the skid 2 is accurately positioned.
Specifically, the lifting motor 43 can drive the eccentric pin 44 to move along the Z direction, and the eccentric pin is inserted into the positioning port of the sled 2 to complete the mechanical positioning of the sled.
The eccentric pin 44 functions to transmit the torque required during the execution of the action, transmitting the force from one part to the next.
Example 1
As shown in fig. 2, the flexible sled positioning device of the present invention comprises a servo motor 41, a lead screw 42, a lift motor 43, an eccentric pin 44, a frame 45, a sliding sleeve 46, and a guide rail 47.
One end of the screw rod 42 is connected with the servo motor 41, and the other end of the screw rod passes through the mounting hole at the bottom of the sliding sleeve 46 and is fixed with the sliding sleeve.
The bottom of the frame 45 is fixed on a sliding sleeve 46.
The guide rail 47 is fixed on the ground, and the sliding sleeve 46 spans the guide rail 47 and is in sliding fit with the guide rail 47.
The lifting motor 43 is fixed on the sliding sleeve 46.
The rotation of the servo motor 41 can drive the screw rod 42 to rotate, and the screw rod 42 rotates to drive the sliding sleeve 46 to move back and forth on the guide rail 47 along the X direction, so as to drive the flexible skid positioning device to move back and forth along the X direction.
The eccentric pin 44 is mounted on a frame 45, and has a bottom connected to the elevating motor 43 and a top extending through a central hole in the top of the frame 45.
The lifting motor 43 drives the eccentric pin 44 to move the positioning pin up and down, so that the skid 2 is accurately positioned. The lifting motor 43 can drive the eccentric pin 44 to move along the Z direction, and the eccentric pin is inserted into the positioning port of the skid 2 to complete the mechanical positioning of the skid.
The device is driven by a motor through simple combination of mechanical devices, and finally realizes the back-and-forth movement of the device in the X direction and the accurate positioning in the Z direction.
It is to be noted that the foregoing description is only exemplary of the invention and that the principles of the technology may be employed. Those skilled in the art will appreciate that the present invention is not limited to the particular embodiments described herein, and that various obvious changes, rearrangements and substitutions will now be apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (9)
1. The utility model provides a flexible skid positioner which characterized in that: consists of an X-direction driving source, a driving mechanism, a moving mechanism, a Z-direction driving source and a positioning mechanism;
one end of the driving mechanism is connected with the X-direction driving source, and the other end of the driving mechanism is connected with the moving mechanism and can drive the moving mechanism to move along the X direction; the Z-direction driving source is fixed with the moving mechanism, is connected with the positioning mechanism and can drive the positioning mechanism to move along the Z direction; and a positioning pin of the positioning mechanism can be inserted into a positioning hole of the skid (2) to complete the mechanical positioning of the skid.
2. The flexible ski positioning device of claim 1, wherein: the X-direction driving source is a servo motor (41) and is used for providing driving force of the flexible skid positioning device in the X direction.
3. The flexible ski positioning device of claim 1, wherein: the driving mechanism is a lead screw (42); the moving mechanism consists of a frame (45), a sliding sleeve (46) and a guide rail (47).
4. The compliant sled positioning apparatus of claim 3, wherein: one end of the screw rod (42) is connected with the servo motor (41), and the other end of the screw rod penetrates through a mounting hole at the bottom of the sliding sleeve (46) and is fixed with the sliding sleeve; the servo motor (41) rotates to drive the lead screw (42) to rotate, and the lead screw (42) rotates to drive the sliding sleeve (46) to move back and forth along the X direction.
5. The flexible ski positioning device of claim 4, wherein: the bottom of the frame (45) is fixed on the sliding sleeve (46); the guide rail (47) is fixed on the ground, and the sliding sleeve (46) spans the guide rail (47) and is in sliding fit with the guide rail.
6. The flexible ski positioning device of claim 1, wherein: the Z-direction driving source is a lifting motor (43), and the lifting motor (43) is fixed on the sliding sleeve (46).
7. The flexible ski positioning device of claim 1, wherein: the positioning mechanism is an eccentric pin (44), the eccentric pin (44) is installed on the frame (45), the bottom of the eccentric pin is connected with the lifting motor (43), and the top of the eccentric pin penetrates through a center hole in the top of the frame (45) and extends outwards.
8. The flexible ski positioning device of claim 7, wherein: the lifting motor (43) can drive the eccentric pin (44) to move along the Z direction and is inserted into the positioning port of the skid (2) to complete the mechanical positioning of the skid.
9. The compliant sled positioning apparatus of claim 1, wherein: the eccentric pin (44) is used to transmit the torque required during the execution of an action, transmitting the force from one component to the next.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211490451.9A CN115744237A (en) | 2022-11-25 | 2022-11-25 | Flexible skid positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211490451.9A CN115744237A (en) | 2022-11-25 | 2022-11-25 | Flexible skid positioning device |
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| Publication Number | Publication Date |
|---|---|
| CN115744237A true CN115744237A (en) | 2023-03-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211490451.9A Pending CN115744237A (en) | 2022-11-25 | 2022-11-25 | Flexible skid positioning device |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205652237U (en) * | 2016-06-02 | 2016-10-19 | 安徽江淮汽车股份有限公司 | Car body automatic switching over device |
| CN110026727A (en) * | 2019-05-28 | 2019-07-19 | 长春理工大学 | White vehicle body welding fixture three-dimensional localization Precision trimming mechanism |
| CN213497413U (en) * | 2020-09-30 | 2021-06-22 | 上汽通用五菱汽车股份有限公司 | Flexible positioning device for vehicle body |
| CN113493094A (en) * | 2021-06-17 | 2021-10-12 | 机械工业第九设计研究院有限公司 | Positioner with adjustable X position |
| CN214816278U (en) * | 2021-01-11 | 2021-11-23 | 中国第一汽车股份有限公司 | Transport skid of leading-in new motorcycle type fast |
| CN216006054U (en) * | 2021-10-12 | 2022-03-11 | 浙江优倍自动化工程有限公司 | Flexible electrophoresis skid switching device |
-
2022
- 2022-11-25 CN CN202211490451.9A patent/CN115744237A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205652237U (en) * | 2016-06-02 | 2016-10-19 | 安徽江淮汽车股份有限公司 | Car body automatic switching over device |
| CN110026727A (en) * | 2019-05-28 | 2019-07-19 | 长春理工大学 | White vehicle body welding fixture three-dimensional localization Precision trimming mechanism |
| CN213497413U (en) * | 2020-09-30 | 2021-06-22 | 上汽通用五菱汽车股份有限公司 | Flexible positioning device for vehicle body |
| CN214816278U (en) * | 2021-01-11 | 2021-11-23 | 中国第一汽车股份有限公司 | Transport skid of leading-in new motorcycle type fast |
| CN113493094A (en) * | 2021-06-17 | 2021-10-12 | 机械工业第九设计研究院有限公司 | Positioner with adjustable X position |
| CN216006054U (en) * | 2021-10-12 | 2022-03-11 | 浙江优倍自动化工程有限公司 | Flexible electrophoresis skid switching device |
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