CN218723641U

CN218723641U - Centering positioning mechanism

Info

Publication number: CN218723641U
Application number: CN202222823262.0U
Authority: CN
Inventors: 蔡海华; 江亚南; 董力
Original assignee: Ruoyu Inspection Tool Co ltd
Current assignee: Ruoyu Inspection Tool Co ltd
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-03-24
Anticipated expiration: 2032-10-26

Abstract

The utility model relates to an automobile parts examines a technical field, specifically discloses a positioning mechanism placed in middle. The centering positioning mechanism comprises a first fixed seat, two connecting rods, two positioning components, two sliding blocks, a spring and a driving component; the two connecting rods are coaxially arranged at intervals, and the two positioning assemblies are respectively connected with the opposite ends of the two connecting rods; the two sliding blocks are respectively connected with the opposite ends of the two connecting rods and are in sliding connection with the first fixed seat; the spring is connected between the two sliding blocks; the drive assembly drives the two sliding blocks to move in opposite directions together. This positioning mechanism placed in the middle can realize the quick location placed in the middle of the product, and positioning accuracy is high, convenient operation.

Description

Centering positioning mechanism

Technical Field

The utility model relates to an automobile parts examines utensil technical field, especially relates to a positioning mechanism placed in middle.

Background

Among the automobile parts examines utensil, examine utensil like the product of automobile tail-gate, glass etc. usually need adopt positioning mechanism placed in the middle to fix a position placed in the middle.

The existing centering positioning mechanisms are generally of two types, one type is that the centering positioning mechanism adopts a single-side movable type, and one side is fixed and the other side is adjusted by looking up scales or dial indicators on the left side and the right side; the method has the problems of asynchronous two-side adjustment, complex operation and low adjustment efficiency.

The other one is to adopt the lever type, like the utility model patent with the patent number "CN202020467462.5", the patent name "can realize automatic utensil positioning mechanism placed in the middle", has adopted lever principle and link structure to realize the location placed in the middle. Although the lever type centering positioning mechanism can realize synchronous adjustment of two sides, the lever type centering positioning mechanism has the problem of low adjustment precision; in addition, after the adjusting device is adjusted in place, a zero position pin needs to be inserted for locking, and the use is inconvenient.

Disclosure of Invention

An object of the utility model is to provide a positioning mechanism placed in middle can realize the quick location placed in the middle of the product, and positioning accuracy is high, convenient operation.

To achieve the purpose, the utility model adopts the following technical proposal:

a centering positioning mechanism comprises a first fixed seat, two connecting rods, two positioning components, two sliding blocks, a spring and a driving component;

the two connecting rods are coaxially arranged at intervals, and the two positioning assemblies are respectively connected with the opposite ends of the two connecting rods;

the two sliding blocks are respectively connected to the opposite ends of the two connecting rods and are in sliding connection with the first fixed seat;

the spring is connected between the two sliding blocks;

the driving component drives the two sliding blocks to move towards each other together.

Furthermore, guide posts are arranged on the opposite sides of the two sliding blocks, and the two guide posts are respectively and coaxially arranged with the two connecting rods; two ends of the spring are respectively sleeved on the two guide posts.

Furthermore, one end of each connecting rod penetrates through the corresponding sliding block; the guide post is hollow T-shaped, is sleeved at one end of the connecting rod and is fixedly connected with the connecting rod and the sliding block through locking screws.

Furthermore, the driving assembly comprises a Y-shaped sliding block and a power part for driving the Y-shaped sliding block to lift; the upper end inboard of Y type slider has two spigot surfaces that are the contained angle setting, two the sliding block all is connected with the gyro wheel, two the gyro wheel respectively with two spigot surface rolling contact.

Further, the power part comprises a knob adjusting screw which is arranged below the Y-shaped sliding block and vertically screwed on the first fixing seat, and the upper end of the knob adjusting screw movably extends into the lower end of the Y-shaped sliding block and is coaxially connected with a rotating block which is rotatably arranged in the Y-shaped sliding block.

Further, the power part is an electric cylinder or a linear sliding table arranged on the first fixed seat.

Furthermore, the first fixing seat is connected with a guide block for guiding the Y-shaped sliding block to slide up and down.

Furthermore, the positioning assembly comprises a sliding seat connected to the end of the connecting rod and a positioning block connected with the sliding seat, and the sliding seat is connected with a second sliding rail for guiding the sliding seat to slide; a second fixed seat fixed opposite to the first fixed seat is arranged on one side of the sliding seat; wherein the content of the first and second substances,

a first graduated scale is arranged on the second fixed seat, and a second graduated scale corresponding to the first graduated scale is arranged on the sliding seat; or

The second fixing seat is provided with a dial indicator, a measuring rod of the dial indicator is arranged along the sliding direction of the sliding seat, and a measuring head of the dial indicator is abutted to the sliding seat.

Furthermore, the positioning assembly further comprises a zero pin, a fixed block fixed relative to the second fixed seat is arranged below the sliding seat, the top surface of the fixed block is provided with an insertion hole, and the sliding seat is provided with a zero pin hole which can vertically correspond to the insertion hole; and under the condition that the zero pin is inserted into the zero pin hole and the jack, the zero scale marks of the first graduated scale and the second graduated scale are aligned.

Further, the connecting rod is connected with a bearing seat through a sliding bearing, and the bearing seat and the first fixing seat are relatively fixedly arranged.

The utility model has the advantages that: the utility model discloses a positioning mechanism placed in middle removes in opposite directions through two sliding blocks of drive assembly drive and is close to drive two sliding seats through the connecting rod and remove jointly, make two locating pieces draw close towards the center simultaneously and realize the quick location placed in the middle of product, positioning accuracy is high, convenient operation.

Drawings

Fig. 1 is a schematic structural view of the centering positioning mechanism provided by the present invention.

Fig. 2 is an enlarged schematic view at i in fig. 1.

Fig. 3 is an enlarged schematic view at ii in fig. 1.

FIG. 4 is a schematic structural view of another embodiment of the positioning assembly of FIG. 1.

Fig. 5 is a partial front view of a centering mechanism provided by the present invention.

In the figure: 1-a first fixed seat; 11-a first slide rail; 12-a guide block; 13-connecting block; 2-a connecting rod; 21-a plain bearing; 22-a bearing seat; 3-a positioning assembly; 31-a sliding seat; 311-a second scale; 32-a positioning block; 33-a second slide rail; 34-zero pin; 4-a slider; 41-a roller; 5-a spring; 6-a drive assembly; 61-Y type slide block; 611-a guide surface; 62-knob adjusting screw; 63-turning block; 7-a guide post; 8-a second fixed seat; 81-a first scale; 82-dial indicator; and 9-fixing block.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

As shown in fig. 1 to 5, a centering positioning mechanism includes a first fixing base 1, two connecting rods 2, two positioning assemblies 3, two sliding blocks 4, a spring 5 and a driving assembly 6. The two connecting rods 2 are coaxially arranged at intervals, and the two positioning assemblies 3 are respectively connected with the opposite ends of the two connecting rods 2; the two sliding blocks 4 are respectively connected with the opposite ends of the two connecting rods 2 and are in sliding connection with the first fixed seat 1; the spring 5 is connected between the two sliding blocks 4; the drive assembly 6 drives the two sliding blocks 4 together to move towards each other.

Specifically, in this positioning mechanism placed in the middle, first fixing base 1 installs on examining a body. Be provided with a first slide rail 11 on the first fixing base 1, two sliding blocks 4 all through slider and 11 sliding connection of first slide rail. The opposite sides of the two sliding blocks 4 are provided with guide posts 7, and the two guide posts 7 are respectively and coaxially arranged with the two connecting rods 2; two ends of the spring 5 are respectively sleeved on the two guide posts 7.

Wherein, one end of the connecting rod 2 penetrates through the corresponding sliding block 4; the guide post 7 is a hollow T-shaped, is sleeved at one end of the connecting rod 2, and is fixedly connected with the connecting rod 2 and the sliding block 4 through a locking screw. Of course, the guide post 7 and the slide block 4 may be integrally formed, and the guide spring 5 may be extended and contracted in the central axis direction of the link 2.

As shown in fig. 2 and 5, the driving assembly 6 includes a Y-shaped slider 61 and a power member for driving the Y-shaped slider 61 to ascend and descend; the inner side of the upper end of the Y-shaped slider 61 is provided with two guide surfaces 611 arranged at an included angle, the two sliding blocks 4 are both connected with rollers 41, and the two rollers 41 are in rolling contact with the two guide surfaces 611 respectively.

When the device is used, the power part is used for driving the Y-shaped sliding block 61 to ascend and descend, so that the two rollers 41 can be driven to roll along the corresponding guide surfaces 611, and the two sliding blocks 4 are driven to move oppositely.

As an embodiment of the power member, the power member includes a knob adjusting screw 62 located below the Y-shaped sliding block 61, the knob adjusting screw 62 is vertically screwed on the connecting block 13 connected with the first fixing base 1, and the upper end of the knob adjusting screw movably extends into the lower end of the Y-shaped sliding block 61 and is coaxially connected with a rotating block 63 rotatably disposed in the Y-shaped sliding block 61. By adopting the structure, when the Y-shaped sliding block is used, the Y-shaped sliding block 61 can be driven to move up and down by screwing the knob adjusting screw 62, and other operations are not needed after the adjustment is in place, so that the use is very convenient.

As another embodiment of the power member, the power member is an electric cylinder or a linear sliding table installed on the first fixing base 1, and a screw nut assembly driven by a motor can also be used as the power member.

In order to prevent the Y-shaped slider 61 from shifting during the ascending and descending movement, a guide block 12 for guiding the Y-shaped slider 61 to slide up and down may be disposed on the first fixing base 1.

As shown in fig. 3, the positioning assembly 3 includes a sliding seat 31 connected to an end of the connecting rod 2 and a positioning block 32 connected to the sliding seat 31, and the sliding seat 31 is connected to a second slide rail 33 for guiding the sliding thereof; one side of the sliding seat 31 is provided with a second fixed seat 8 fixed relative to the first fixed seat 1. This second fixing base 8 is installed on examining the utensil body.

As an embodiment of the positioning assembly 3, the second fixing base 8 is provided with a first scale 81, and the sliding base 31 is provided with a second scale 311 corresponding to the first scale 81.

As another embodiment of the positioning assembly 3, as shown in fig. 4, a dial indicator 82 is mounted on the second fixing base 8, a measuring rod of the dial indicator 82 is disposed along the sliding direction of the sliding base 31, and a measuring head of the dial indicator 82 abuts against the sliding base 31.

This locating component 3 still includes zero position round pin 34, and the below of sliding seat 31 is provided with the fixed block 9 of relatively fixing with second fixing base 8, and this fixed block 9 mountable also can be connected with second fixing base 8 on examining the utensil body. Wherein, the top surface of the fixed block 9 is provided with an insertion hole, and the sliding seat 31 is provided with a zero position pin hole which can vertically correspond to the insertion hole; in a state where the zero position pin 34 is inserted into the zero position pin hole and the insertion hole, the zero scale lines of the first scale 81 and the second scale 311 are aligned.

In this positioning mechanism placed in the middle, connecting rod 2 is connected with bearing frame 22 through slide bearing 21, and bearing frame 22 sets up with first fixing base 1 relatively fixed. The bearing housing 22 is mounted on the gauge body.

The utility model discloses a positioning mechanism placed in middle, when fixing a position between two parties to the automobile parts product, utilize power part drive Y type slider 61 to move up, make two gyro wheels 41 roll along corresponding spigot surface 611, it is close to drive two sliding blocks 4 along the central axis direction of connecting rod 2 and remove in opposite directions, the sliding seat 31 that drives two connecting rods 2 simultaneously and be connected with connecting rod 2 moves towards the center jointly, and utilize two locating pieces 32 that are located on two sliding seats 31 to carry out the product location, thereby realize the quick location placed in the middle of product.

After the detection is finished, the Y-shaped sliding block 61 is driven to move downwards in a reverse direction, under the action of the elastic force of the spring 5, the two sliding blocks 4 move away from each other along the direction of the central axis of the connecting rod 2, and simultaneously, the two connecting rods 2 and the sliding seats 31 connected with the connecting rods 2 are driven to move away from the center together, so that the two positioning blocks 32 on the two sliding seats 31 are driven to separate from the product, and the product can be taken away. The centering positioning mechanism is high in positioning accuracy and convenient to operate.

The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.

Claims

1. A centering positioning mechanism is characterized by comprising a first fixed seat (1), two connecting rods (2), two positioning components (3), two sliding blocks (4), a spring (5) and a driving component (6);

the two connecting rods (2) are coaxially arranged at intervals, and the two positioning assemblies (3) are respectively connected with the opposite ends of the two connecting rods (2);

the two sliding blocks (4) are respectively connected to the opposite ends of the two connecting rods (2) and are in sliding connection with the first fixed seat (1);

the spring (5) is connected between the two sliding blocks (4);

the driving component (6) drives the two sliding blocks (4) to move towards each other together.

2. A centering and positioning mechanism according to claim 1, characterized in that opposite sides of the two sliding blocks (4) are provided with guide posts (7), the two guide posts (7) being respectively arranged coaxially with the two connecting rods (2); two ends of the spring (5) are respectively sleeved on the two guide columns (7).

3. A centering and positioning mechanism according to claim 2, characterized in that one end of said connecting rod (2) passes through the corresponding sliding block (4); the guide post (7) is of a hollow T shape, is sleeved at one end of the connecting rod (2) and is fixedly connected with the connecting rod (2) and the sliding block (4) through a locking screw.

4. The centering mechanism as claimed in claim 1, wherein said driving assembly (6) comprises a Y-shaped slider (61) and a power member for driving said Y-shaped slider (61) to ascend and descend; the inner side of the upper end of the Y-shaped sliding block (61) is provided with two guide surfaces (611) arranged at an included angle, the sliding blocks (4) are connected with rollers (41), and the rollers (41) are in rolling contact with the two guide surfaces (611) respectively.

5. The centering mechanism as claimed in claim 4, wherein the power member comprises a knob adjusting screw (62) vertically screwed on the first fixed seat (1) and located below the Y-shaped sliding block (61), and an upper end of the knob adjusting screw (62) movably extends into a lower end of the Y-shaped sliding block (61) and is coaxially connected with a rotating block (63) rotatably arranged in the Y-shaped sliding block (61).

6. A centering and positioning mechanism according to claim 4, characterized in that said power member is an electric cylinder or a linear slide mounted on said first fixed seat (1).

7. A centering and positioning mechanism according to claim 4, characterized in that a guide block (12) for guiding the Y-shaped slider (61) to slide up and down is connected to the first fixed seat (1).

8. The centering and positioning mechanism as claimed in claim 1, wherein the positioning assembly (3) comprises a sliding seat (31) connected to the end of the connecting rod (2) and a positioning block (32) connected to the sliding seat (31), the sliding seat (31) is connected to a second sliding rail (33) for guiding the sliding thereof; a second fixed seat (8) fixed opposite to the first fixed seat (1) is arranged on one side of the sliding seat (31); wherein the content of the first and second substances,

a first graduated scale (81) is arranged on the second fixed seat (8), and a second graduated scale (311) corresponding to the first graduated scale (81) is arranged on the sliding seat (31); or alternatively

Install percentage table (82) on second fixing base (8), the measuring stick of percentage table (82) is followed the slip direction setting of sliding seat (31), just the measuring head of percentage table (82) with sliding seat (31) offset.

9. The centering mechanism according to claim 8, wherein the positioning assembly (3) further comprises a zero pin (34), a fixed block (9) fixed relative to the second fixed seat (8) is arranged below the sliding seat (31), a jack is formed in the top surface of the fixed block (9), and a zero pin hole capable of vertically corresponding to the jack is formed in the sliding seat (31); and under the condition that the zero pin (34) is inserted into the zero pin hole and the jack, the zero scale lines of the first scale (81) and the second scale (311) are aligned.

10. A centering and positioning mechanism according to claim 1, characterized in that the connecting rod (2) is connected with a bearing seat (22) by means of a sliding bearing (21), said bearing seat (22) being arranged stationary relative to the first fixed seat (1).