CN216442380U

CN216442380U - Bidirectional positioning mechanism

Info

Publication number: CN216442380U
Application number: CN202122638772.6U
Authority: CN
Inventors: 赵刚; 崔剑锋; 罗帅; 王伟; 兰珺琳; 张洪华
Original assignee: Suzhou Keyun Laser Technology Co Ltd
Current assignee: Suzhou Keyun Laser Technology Co Ltd
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-05-06
Anticipated expiration: 2031-10-29

Abstract

The utility model discloses a bidirectional positioning mechanism, and relates to the technical field of mechanical positioning. The method comprises the following steps: the positioning device comprises a positioning table, a movable positioning part and a fixed positioning part, wherein the movable positioning part and the fixed positioning part are arranged on two sides of the positioning table, the movable positioning part comprises a movable assembly, a floating assembly arranged on the movable assembly and a positioning plate arranged on the floating assembly, the movable assembly drives the floating assembly to move along the X-axis direction, the floating assembly drives the positioning plate to move along the Y-axis direction, and the movable positioning part drives a workpiece to be close to the fixed positioning part and tightly abut against the workpiece. According to the utility model, the workpiece is bidirectionally adjusted, so that the workpiece is directly and rapidly positioned, and the positioning accuracy and the positioning efficiency of the workpiece are improved.

Description

Bidirectional positioning mechanism

Technical Field

The utility model relates to the technical field of mechanical positioning, in particular to a bidirectional positioning mechanism.

Background

At present, intelligent operation is adopted in the production and processing processes of workpieces, so that the labor intensity and cost are reduced, and the processing efficiency of the workpieces is improved. In the processing production process of present work piece, need fix a position it before the work piece is assembled and processed, the mechanical location is mostly adopted to current locate mode, needs manual with the work piece fixed correspond the position on, then clamp the location through manual regulation or automation equipment to the work piece.

Chinese patent publication No. CN202963846U discloses a cylinder driving and positioning mechanism, which comprises a fixed seat, a driving cylinder mounted on the fixed seat, guide posts slidably connected to both sides of the driving cylinder, a mold mounting plate fixedly connected to the tops of the two guide posts, and a piston rod of the driving cylinder connected to the driving mounting plate, and a positioning seat provided with two positioning stoppers corresponding to each other up and down, a boss disposed on the mold mounting plate, and positioning posts disposed between the two positioning stoppers on the upper and lower surfaces of the boss; the opposite surfaces of the two positioning check blocks are respectively provided with a conical pit, and the extending end of the positioning column is provided with a positioning head adaptive to the shape of the conical pit.

The problems existing in the technical scheme are as follows:

(1) firstly, a workpiece needs to be preliminarily positioned, and the process is complicated and takes long time;

(2) the workpiece can be positioned only in the vertical direction, and when the workpiece deflects in the left and right directions, the workpiece is difficult to correct in time, so that the application range of the workpiece is narrow.

SUMMERY OF THE UTILITY MODEL

In order to solve at least one of the problems mentioned in the background art, the utility model provides a bidirectional positioning mechanism, which can directly and quickly position a workpiece by performing bidirectional adjustment on the workpiece, and improve the accuracy and efficiency of positioning the workpiece.

The embodiment of the utility model provides the following specific technical scheme:

a bi-directional positioning mechanism comprising: the positioning device comprises a positioning table, a movable positioning part and a fixed positioning part, wherein the movable positioning part and the fixed positioning part are arranged on two sides of the positioning table, the movable positioning part comprises a movable assembly, a floating assembly arranged on the movable assembly and a positioning plate arranged on the floating assembly, the movable assembly drives the floating assembly to move along the X-axis direction, the floating assembly drives the positioning plate to move along the Y-axis direction, and the positioning part is moved to drive a workpiece to be close to the fixed positioning part and position the workpiece.

Furthermore, the first guide rail, the sliding seat connected to the first guide rail in a sliding manner, and the driving assembly connected to the sliding seat drive the sliding seat to slide along the first guide rail.

Further, the moving assembly includes: the first guide rail, the sliding seat connected to the first guide rail in a sliding mode and the driving assembly connected to the sliding seat, wherein the driving assembly drives the sliding seat to slide along the first guide rail.

Furthermore, the floating assembly comprises at least two supporting plates arranged on the sliding seat and spring plungers arranged on the supporting plates in a penetrating mode, and the positioning plate is movably arranged between the two spring plungers.

Furthermore, a second guide rail is arranged between the two support plates, and a guide groove is formed in the lower portion of the positioning plate, so that the positioning plate is connected to the second guide rail in a sliding mode.

Furthermore, one side of the positioning plate, which is close to the workpiece, is also provided with a first roller.

Furthermore, the fixed positioning part comprises at least one positioning seat and at least two second rollers arranged on the positioning seat, and the second rollers are arranged on one side, close to the workpiece, of the positioning seat.

Furthermore, a movable joint is installed on the driving assembly, a joint installation seat is installed on the sliding seat, and the movable joint is connected with the joint installation seat in a matched mode.

Further, the driving component is a cylinder or a motor.

Furthermore, the two ends of the first guide rail are provided with positioning pins.

Furthermore, a stop pin is mounted on the second guide rail.

The embodiment of the utility model has the following beneficial effects:

1. through the arrangement of the positioning table, the movable positioning part and the fixed positioning part, a workpiece to be positioned is placed on the positioning table, the movable assembly pushes the floating assembly to move along the direction of approaching the workpiece along the X axis, and meanwhile, after the positioning plate touches the workpiece, the positioning plate receives the reaction force from the workpiece, so that the floating assembly and the positioning plate move along the Y axis, and at the moment, the movable assembly continues to push the positioning plate to move along the direction of approaching the workpiece until the workpiece is tightly attached to the fixed positioning part, so that the positioning of the workpiece is realized;

2. the first roller is arranged on one side of the positioning plate, when the positioning plate is contacted with a workpiece, the first roller is abutted against the workpiece, and the positioning plate is easily slid and the sliding direction of the workpiece is easily adjusted due to the reaction force from the workpiece, which is applied to the positioning plate, because the contact area between the roller and the workpiece is small; on the other hand, the arrangement of the first roller can play a role in buffering and protecting the workpiece;

3. the two ends of the first guide rail are provided with positioning pins which are used for limiting the sliding of the sliding seat along the first guide rail and confirming that the sliding seat can be adjusted within the adjustable range along the first guide rail.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic overall structural view of a positioning mechanism for embodying the present application;

FIG. 2 is a schematic structural view of a fixing and positioning portion for embodying the present application;

FIG. 3 is an enlarged schematic view of a portion A of FIG. 2;

FIG. 4 is an enlarged schematic view of a portion B of FIG. 2;

in the figure, 1, a positioning table; 2. moving the positioning part; 201. a moving assembly; 202. a floating assembly; 203. positioning a plate; 3. fixing the positioning part; 301. positioning seats; 302. a second roller; 4. a first guide rail; 5. a sliding seat; 501. a sliding groove; 6. a drive assembly; 7. a support plate; 8. a spring plunger; 9. a positioning column; 10. a second guide rail; 11. a guide groove; 12. a first roller; 13. an ear plate seat; 14. installing a shaft; 15. a movable joint; 16. a joint mount; 17. positioning pins; 18. a retaining pin.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The inventor of the present application finds out in the process of positioning adjustment of a workpiece that: in the existing processing and production process of workpieces, the workpieces need to be positioned before being assembled and processed, most of the existing positioning modes adopt mechanical positioning, the workpieces need to be manually placed at fixed positions and are initially adjusted and positioned, and the process is complicated and needs to take a long time; in addition, the prior art can only position the workpiece in the vertical direction, and when the workpiece is inclined in the left and right directions, the workpiece is difficult to correct in time, so that the application range of the workpiece is narrow. Based on the above problems, the inventor of the present application has provided a bidirectional positioning mechanism and method, which can directly and quickly position a workpiece by performing bidirectional adjustment on the workpiece, and improve the accuracy and efficiency of positioning the workpiece.

Example one

A bi-directional positioning mechanism, as shown in fig. 1 and 2, comprising: the positioning table 1 is used for placing a workpiece to be positioned and processed, the movable positioning portion 2 and the fixed positioning portion 3 are arranged on two sides of the positioning table 1, the movable positioning portion 2 pushes the workpiece to move towards the fixed positioning portion 3 to be close to the fixed positioning portion 3 until the workpiece is abutted against the fixed positioning portion 3, the movable positioning portion 2 continues to be close to the fixed positioning portion 3, and clamping and positioning of the movable positioning portion 2 and the fixed positioning portion 3 on the workpiece are achieved.

Specifically, the movable positioning portion 2 includes a movable assembly 201, a floating assembly 202 and a positioning plate 203, the floating assembly 202 is mounted on the upper portion of the movable assembly 201 and can move along with the movable assembly 201, the positioning plate 203 is mounted above the floating assembly 202 and can move along with the floating assembly 202, the movable assembly 201 drives the floating assembly 202 to move along the X-axis direction, and the floating assembly 202 drives the positioning plate 203 to move along the Y-axis direction. Through the setting of removal subassembly 201 and unsteady subassembly 202, realize removing location portion 2 and drive the work piece and be close to fixed position portion 3 to support tightly in one side of fixed position portion 3, through the position adjustment in X axle and two directions of Y axle, realize the adjustment location to the work piece from two directions.

In order to realize the adjustment of the moving assembly 201 to the position of the workpiece in the X-axis direction, specifically, the moving assembly 201 includes a first guide rail 4, a sliding seat 5 and a driving assembly 6, and the first guide rail 4 is a linear guide rail. The lower end of the sliding seat 5 is provided with a sliding groove 501, and the section of the sliding groove 501 is T-shaped, so that the sliding seat 5 is prevented from falling off from the first guide rail 4 in the sliding process. The sliding groove 501 is in sliding fit with the first guide rail 4, so that the sliding seat 5 is slidably connected to the first guide rail 4, the driving assembly 6 is connected to the sliding seat 5, and the driving assembly 6 drives the sliding seat 5 to slide along the first guide rail 4.

Specifically, in order to realize that floating assembly 202 drives the adjustment of work piece in the Y axle direction, floating assembly 202 includes two backup pads 7, wears to establish the spring plunger 8 in backup pad 7, and two backup pads 7 symmetry set up on sliding seat 5, and two spring plungers 8 wear to establish relatively on two backup pads 7 to leave the space between two spring plungers 8, locating plate 203 activity sets up between two spring plungers 8. Positioning columns 9 are further arranged on two sides of the positioning plate 203 in a penetrating mode, and the positioning columns 9 are arranged corresponding to the spring plungers 8 on the two sides. Furthermore, the positioning plate 203 can easily move between the two spring plungers 8, the sliding seat 5 is further provided with a second guide rail 10, the second guide rail 10 is a linear guide rail, the lower portion of the positioning plate 203 is provided with a guide groove 11, and the guide groove 11 is in sliding connection with the second guide rail 10 in a matching manner, so that the positioning plate 203 is slidably connected to the second guide rail 10.

When the positioning portion 2 is moved to drive the positioning plate 203 to touch the workpiece, in order to prevent the positioning plate 203 from damaging the workpiece and reduce the possibility that the workpiece is damaged when the positioning plate 203 collides with the workpiece, the first roller 12 is further disposed on one side of the positioning plate 203 close to the workpiece. Specifically, one side an organic whole that locating plate 203 is close to the work piece is connected with otic placode seat 13, rotates in first gyro wheel 12 and wears to be equipped with installation axle 14, and installation axle 14 runs through otic placode seat 13 and locks through lock nut, realizes that first gyro wheel 12 detachable installs on locating plate 203.

The workpiece is pushed by the movable positioning part 2 and is abutted against the fixed positioning part 3 through adjustment in the X-axis and Y-axis directions. Specifically, fixed position portion 3 includes positioning seat 301, installs the second gyro wheel 302 on positioning seat 301, and positioning seat 301 is provided with two in the bilateral symmetry of location platform 1, and positioning seat 301 is down "L" type and passes through the connecting piece to be installed on the bottom plate of location platform 1 one side, and the positioning seat 301 slope of both sides sets up for form an acute angle between the positioning seat 301 of both sides, easily realize the tight location of supporting of the work piece on the location platform 1. Specifically, the second roller 302 is rotatably provided with a mounting shaft 14 in a penetrating manner, the mounting shaft 14 penetrates through the positioning seat 301 and is locked by a locking nut, so that the second roller 302 is detachably mounted on the positioning seat 301, and two second rollers 302 are arranged on one positioning seat 301. Through the setting of second gyro wheel 302, when the work piece contacted second gyro wheel 302, because the frictional force between with second gyro wheel 302 is less for the work piece is easily adjusted direction and position, finally realizes that the work piece is accurate, stably fixes a position between stator and positioning seat 301.

Specifically, in order to realize the driving sliding of the driving group on the sliding seat 5, the driving assembly 6 is provided with a movable joint 15, the sliding seat 5 is provided with a joint mounting seat 16, the movable joint 15 is connected with the joint mounting seat 16 in a matching manner, the driving assembly 6 is an air cylinder, and the air cylinder is connected with an external air supply system through a pipeline.

In order to ensure that the sliding seat 5 slides along the first guide rail 4 within an adjustable range, positioning pins 17 are installed at both ends of the first guide rail 4, thereby preventing the sliding seat 5 from sliding off the first guide rail 4. Similarly, a stop pin 18 is also sleeved on the second guide rail 10, so as to ensure that the positioning plate 203 is adjusted within the adjustable range between the two support plates 7.

The specific implementation process comprises the following steps: place the work piece of pending location on the location platform 1, the staff adjusts drive assembly 6, drive assembly 6 drive sliding seat 5 is to the direction motion of being close to the work piece, after the work piece was touch to locating plate 203, locating plate 203 receives the reaction force of work piece and slides along second guide rail 10, make first gyro wheel 12 and the work piece laminating on the locating plate 203, drive the work piece simultaneously and adjust the motion in Y axle direction, drive assembly 6 drive sliding seat 5 continues to the direction removal of being close to fixed location portion 3 simultaneously, make removal location portion 2 promote the work piece and be close to fixed location portion 3, until support the work piece tightly between locating plate 203 and positioning seat 301, the realization is to the location of work piece.

Example two

The embodiment provides a bidirectional positioning mechanism, which is different from the embodiment in that the driving assembly 6 in the embodiment is a motor, the motor is connected with an external power supply system through a wire, and an output shaft of the motor is connected with the connector mounting base through a movable connector 15 in a matching manner, so as to realize the driving movement of the motor.

While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the embodiments of the utility model.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A bi-directional positioning mechanism, comprising: the positioning device comprises a positioning table, a movable positioning part and a fixed positioning part, wherein the movable positioning part and the fixed positioning part are arranged on two sides of the positioning table, the movable positioning part comprises a movable assembly, a floating assembly arranged on the movable assembly and a positioning plate arranged on the floating assembly, the movable assembly drives the floating assembly to move along the X-axis direction, the floating assembly drives the positioning plate to move along the Y-axis direction, and the movable positioning part drives a workpiece to be close to the fixed positioning part and positions the workpiece.

2. The bi-directional positioning mechanism of claim 1, wherein the moving assembly comprises: the sliding seat is connected to the driving assembly, and the driving assembly drives the sliding seat to slide along the first guide rail.

3. The bi-directional positioning mechanism of claim 2, wherein the floating assembly comprises at least two support plates disposed on the sliding seat and spring plungers disposed through the support plates, and the positioning plate is movably disposed between the two spring plungers.

4. The bi-directional positioning mechanism of claim 3, wherein: a second guide rail is arranged between the two support plates, and a guide groove is formed in the lower portion of the positioning plate, so that the positioning plate is connected to the second guide rail in a sliding mode.

5. The bi-directional positioning mechanism of claim 4, wherein: and a first roller is further installed on one side, close to the workpiece, of the positioning plate.

6. The bi-directional positioning mechanism of claim 1, wherein: the fixed positioning part comprises at least one positioning seat and at least two second rollers arranged on the positioning seat, and the second rollers are arranged on one side, close to the workpiece, of the positioning seat.

7. The bi-directional positioning mechanism of claim 2, wherein: the driving assembly is provided with a movable joint, the sliding seat is provided with a joint mounting seat, and the movable joint is connected with the joint mounting seat in a matching manner.

8. The bi-directional positioning mechanism of claim 2, wherein: the driving component is a cylinder or a motor.

9. The bi-directional positioning mechanism of claim 2, wherein: and positioning pins are arranged at two ends of the first guide rail.

10. The bi-directional positioning mechanism of claim 4, wherein: and the second guide rail is provided with a stop pin.