CN215616328U

CN215616328U - Floating correction positioning device

Info

Publication number: CN215616328U
Application number: CN202120816467.9U
Authority: CN
Inventors: 唐顺; 孙东生; 陈开源; 郭楠; 王欣
Original assignee: Foshan Polytechnic
Current assignee: Foshan Polytechnic
Priority date: 2021-04-20
Filing date: 2021-04-20
Publication date: 2022-01-25
Anticipated expiration: 2031-04-20

Abstract

The utility model discloses a floating correction positioning device which comprises a supporting arm, a fixing piece and a floating piece, wherein the fixing piece and the floating piece are arranged on the supporting arm, a positioning part is fixed on the floating piece, the supporting arm is connected with a lifting mechanism, the floating piece can move in the horizontal direction relative to the fixing piece, the positioning part comprises a first positioning mechanism and a second positioning mechanism, and a product shell is matched with the first positioning mechanism so that the floating piece can move according to the matching position of the first positioning mechanism; the second positioning mechanism is matched with the part, so that the part can move to the assembling position according to the matching position of the second positioning mechanism. The utility model can simply and quickly position and correct the parts to be assembled, and has simple structure, stability and reliability.

Description

Floating correction positioning device

Technical Field

The utility model relates to the technical field of production equipment, in particular to a floating correction positioning device.

Background

In the existing part production line, a plurality of parts are generally required to be assembled, and in the traditional manual assembly production line, because the installation position can be judged manually by using a manual installation mode, the parts are installed, and therefore, the intervention of a positioning device is not required. However, if an automated assembly line is used, a calibration positioning device is required to improve assembly accuracy and production efficiency.

The existing correcting and positioning devices mostly use an electronic positioning mode to correct and position the part, the positioning mode needs to use a large number of sensors and processing units to identify the position of the part, and then the positioning and the correction are carried out by a mechanical intervention method with a more complex structure.

Disclosure of Invention

The technical problem to be solved by the utility model is to provide a floating correction positioning device, which can simply and quickly perform positioning correction on parts to be assembled, and has a simple structure, stability and reliability.

In order to solve the technical problem, the utility model provides a floating correction positioning device which is used for correcting the position of a part in a product shell before assembly.

The fixed piece is static relative to the product shell, the floating piece is connected with the fixed piece, and the floating piece can move in the horizontal direction relative to the fixed piece.

The lifting mechanism can drive the fixed piece and the floating piece to descend towards the part through the supporting arm.

The positioning part comprises a first positioning mechanism and a second positioning mechanism, and the product shell is matched with the first positioning mechanism so that the floating part can move according to the matching position of the first positioning mechanism; the second positioning mechanism is matched with the part, so that the part can move to the assembling position according to the matching position of the second positioning mechanism.

The fixing piece is provided with a through hole, the floating piece is connected with the fixing piece in a matched mode through a screw and the through hole, and the inner diameter of the through hole is larger than the outer diameter of the screw.

And a thrust bearing is also arranged between the floating part and the fixing part.

The first positioning mechanism comprises a pin sleeve, the pin sleeve is located on the bottom side of the floating part, a shell positioning hole is formed in the pin sleeve, a shell positioning column is arranged on the product shell, and the floating part can move to a proper position on the horizontal plane to enable the shell positioning column to be inserted into the shell positioning hole.

The opening of the shell positioning hole is provided with a reverse tapered surface with a wide lower part and a narrow upper part, and the diameter of the wider side of the reverse tapered surface is larger than that of the top of the shell positioning column.

Wherein the number of pin sleeves is at least 2.

The second positioning mechanism comprises a part positioning column and a part pressing column, the part is provided with a part positioning hole, and the part can be moved to an assembly position to enable the part positioning column to be inserted into the part positioning hole.

The top end of the part positioning column is provided with a conical bulge, and the tip part of the conical bulge points to the part positioning hole.

The length of the part pressing column is smaller than that of the part positioning column, and the part pressing column is used for pressing the part.

The distance from the top end of the shell positioning column to the edge of the inverted conical surface is smaller than the distance from the top end of the part positioning column to the surface of the part positioning hole.

The supporting arms are distributed on the two sides of the fixing piece and the floating piece, mounting grooves are formed in the inner sides of the supporting arms, and the two sides of the fixing piece are fixed in the mounting grooves.

The lifting mechanism comprises a rack and a lifting driving piece, a lifting sliding rail and a lifting sliding seat, wherein the lifting driving piece, the lifting sliding rail and the lifting sliding seat are fixed on the rack, and the lifting driving piece can control the lifting sliding seat to lift on the lifting sliding rail.

One end of the supporting arm is fixed on the lifting sliding seat.

And a pressure sensor is also arranged between the fixing piece and the floating piece and used for detecting the pressing pressure of the floating piece.

The fixing piece and the floating piece are further provided with assembly avoiding holes for assembling the parts after correction and positioning.

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

the floating correction positioning device is provided with a fixing piece and a floating piece, wherein the floating piece can move in the horizontal direction relative to the fixing piece, the floating piece is provided with a first positioning mechanism and a second positioning mechanism, the first positioning mechanism can be matched with a product shell, the floating piece can move under the condition that the product shell is fixed so as to realize initial positioning, and then the second positioning mechanism is matched with parts in the product shell so as to enable the parts to slightly move, so that fine positioning is completed.

The utility model can finely position the part by adopting the first positioning mechanism and the second positioning mechanism, and the used floating piece can automatically float to adapt to the position, so that the positioning process is quick and simple, and the positioning device has higher stability and reliability.

Drawings

FIG. 1 is a schematic structural diagram of a floating calibration positioning device according to the present invention;

FIG. 2 is a schematic view of the assembled structure of the anchor member and the floating member of the present invention;

FIG. 3 is a cross-sectional view of the pin sleeve of the present invention;

fig. 4 is a schematic structural diagram of the housing and parts of the product of the utility model.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings. It is only noted that the utility model is intended to be limited to the specific forms set forth herein, including any reference to the drawings, as well as any other specific forms of embodiments of the utility model.

Referring to fig. 1, the embodiment of the utility model discloses a floating correction positioning device for correcting the position of a part 7 in a housing 6 of a product before assembly, wherein the product is preferably a vehicle-mounted charger and can also be a product requiring accurate positioning assembly for other internal parts 7. The floating correction positioning device comprises a support arm 1, a fixing piece 2 and a floating piece 3, wherein the fixing piece 2 and the floating piece 3 are installed on the support arm 1, a positioning part 4 is fixed on the floating piece 3, and the positioning part 4 is used for initially positioning the floating piece 3 and finely positioning a part 7. The supporting arm 1 is connected with a lifting mechanism 5, and the lifting mechanism 5 can drive the fixing piece 2 and the floating piece 3 to descend towards the part 7 through the supporting arm 1. The float member 3 and the anchor member 2 are preferably of plate-like construction.

Referring to fig. 2, the fixed member 2 is stationary relative to the product housing 6, the floating member 3 is connected to the fixed member 2, the product housing 6 is preferably located below the fixed member 2, and the floating member 3 is preferably located on the underside of the fixed member 2, so that the floating member 3 cooperates with the product housing 6 to adjust the position. The float 3 can be displaced in a horizontal direction relative to the fixed part 2 to adapt the position of the product housing 6. Specifically, the positioning part 4 comprises a first positioning mechanism 41 and a second positioning mechanism 42, in the process that the lifting mechanism 5 drives the fixing part 2 and the floating part 3 to descend towards the part 7, the product shell 6 is firstly matched with the first positioning mechanism 41, before the matching, the product shell 6 is fixed on a station, after the first positioning mechanism 41 touches the product shell 6, the product shell 6 generates a reaction force on the first positioning mechanism 41, and the floating part 3 can be pushed to move according to the matching position of the first positioning mechanism 41 and be fixed at a preset position, so that the initial positioning of the floating part 3 is realized; subsequently, the second positioning mechanism 42 is engaged with the part 7 so that the part 7 can be moved to the fitting position according to the engagement position of the second positioning mechanism 42, thereby achieving fine positioning of the part 7.

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

the floating correction positioning device provided by the embodiment of the utility model is provided with a fixing piece 2 and a floating piece 3, wherein the floating piece 3 can move in the horizontal direction relative to the fixing piece 2, the floating piece 3 is provided with a first positioning mechanism 41 and a second positioning mechanism 42, the first positioning mechanism 41 can be matched with a product shell 6, the floating piece 3 can move under the condition that the product shell 6 is fixed, so that the initial positioning is realized, and then the second positioning mechanism 42 is matched with a part 7 in the product shell 6, so that the part 7 can move slightly, and the fine positioning is completed. According to the embodiment of the utility model, the first positioning mechanism 41 and the second positioning mechanism 42 are adopted to finely position the part 7, and the used floating part 3 can automatically float to adapt to the position, so that the positioning process is quick and simple, and the positioning device has high stability and reliability.

Be equipped with through-hole 21 on mounting 2, floating piece 3 is connected through screw and through-hole 21 cooperation with mounting 2, and wherein the internal diameter of through-hole 21 is greater than the external diameter of screw, has certain clearance consequently between through-hole 21 and the screw, behind the relative position of good floating piece 3 of screw fixation, this clearance can allow floating piece 3 to produce horizontal displacement for mounting 2 to the initial positioning of floating piece 3 of being convenient for. In order to reduce the friction force between the floating part 3 and the fixing part 2, improve the moving efficiency of the floating part 3 and simultaneously prevent the friction between the floating part 3 and the fixing part 2 from being damaged, a thrust bearing 22 is also arranged between the floating part 3 and the fixing part 2, and the thrust bearing 22 can convert the sliding friction between the floating part 3 and the fixing part 2 into rolling friction, so that the influence of the friction force is reduced.

Referring to fig. 3 and 4, the first positioning mechanism 41 includes a pin sleeve 411, the pin sleeve 411 is located at the bottom side of the floating member 3, a housing positioning hole 412 is arranged in the pin sleeve 411, the product housing 6 is provided with a housing positioning post 61, and since the product housing 6 is fixed, the floating member 3 can move to a proper position in the horizontal plane so that the housing positioning post 61 is inserted into the housing positioning hole 412, thereby completing the movement and fixing of the floating member 3. In order to move the floating member 3, an opening of the housing positioning hole 412 is provided with an inverted conical surface 413 which is wide at the bottom and narrow at the top, the diameter of the wider side of the inverted conical surface 413 is larger than that of the top of the housing positioning column 61, when the lifting mechanism 5 drives the fixing member 2 and the floating member 3 to descend towards the part 7, and when the position of the floating member 3 does not correspond to that of the product housing 6, the top of the housing positioning column 61 can firstly abut against the inverted conical surface 413, and along with the downward pressing of the floating member 3, the inverted conical surface 413 can apply a reaction force to the floating member 3 so as to drive the floating member 3 to move, and along with the fact that the housing positioning column 61 is slowly inserted into the housing positioning hole 412 along the inverted conical surface 413, the floating member 3 is also fixed at a preset position. In order to achieve better positioning and fixing effects, the number of the pin sleeves 411 is at least 2, and can be generally set to be 2-3, and too many pin sleeves 411 may produce an over-positioning effect and affect the positioning efficiency.

Specifically, the second positioning mechanism 42 includes a part positioning post 421 and a part pressing post 422, the part 7 is provided with a part positioning hole 71, and the part 7 can be moved to the assembly position so that the part positioning post 421 is inserted into the part positioning hole 71. In order to enable the part 7 to be movably positioned, a conical protrusion 423 is arranged at the top end of the part positioning column 421, a tip portion of the conical protrusion 423 points to the part positioning hole 71, after the floating member 3 is pressed down and primary positioning is completed, an inner wall edge of the part positioning hole 71 abuts against the conical protrusion 423 at the top end of the part positioning column 421, the conical protrusion 423 can apply a reaction force to the part positioning hole 71 to enable the part 7 to move, then the part positioning column 421 is inserted into the part positioning hole 71, fine positioning and fixing of the part 7 are finally achieved, and the part 7 is convenient to be assembled and fixed subsequently. The part pressing column 422 is used for pressing the part 7, so that the part 7 is prevented from moving during assembly and the positioning effect is prevented from being damaged. In order to realize the positioning and then the pressing, the length of the part pressing column 422 is smaller than that of the part positioning column 421, so that the part positioning column 421 can move the part 7 to position, and then the part pressing column 422 presses the part 7 to press and fix the part.

Meanwhile, in order to ensure that the floating part 3 can be initially positioned firstly and then the part 7 is finely positioned, the distance from the top end of the shell positioning column 61 to the edge of the inverted conical surface 413 is smaller than the distance from the top end of the part positioning column 421 to the surface of the part positioning hole 71, so that when the floating part 3 is pressed down, the distance is short, the shell positioning column 61 can preferentially reach the inverted conical surface 413 to move the floating part 3, and then the part positioning column 421 reaches the surface of the part positioning hole 71 to drive the part 7 to be positioned.

Support arm 1 distributes in the both sides of mounting 2 and floating member 3, is equipped with mounting groove 11 on the support arm 1 inboard, and mounting 2 both sides have been guaranteed the stability of mounting 2 in being fixed in mounting groove 11. The floating correction positioning device further comprises a lifting mechanism 5, wherein the lifting mechanism 5 comprises a frame 51, and a lifting driving member 52, a lifting slide rail 53 and a lifting slide 54 which are fixed on the frame 51, and the lifting driving member 52 can control the lifting slide 54 to lift on the lifting slide rail 53. One end of the supporting arm 1 is fixed to the elevation slider 54, so that the elevation driving member 52 can drive the fixed member 2 and the floating member 3 to be elevated through the supporting arm 1.

In order to protect the product housing 6 and the part 7, a pressure sensor 8 is arranged between the fixed member 2 and the floating member 3 and used for detecting the pressing pressure of the floating member 3 and avoiding the excessive pressing pressure of the fixed member 2 and the floating member 3. Still be equipped with the assembly on mounting 2 and the floating member 3 and dodge hole 31 for assemble the part 7 after the location of rectifying, after part compression leg 422 fixes part 7, then can dodge the assembly operation that hole 31 adorned screw etc. to part 7 through the assembly, the effect of the location of further assurance.

The foregoing is a preferred embodiment of the present invention, and it should be noted that it would be apparent to those skilled in the art that various modifications and enhancements can be made without departing from the principles of the utility model, and such modifications and enhancements are also considered to be within the scope of the utility model.

Claims

1. A floating correction positioning device is used for correcting the position of a part in a product shell before assembly and is characterized by comprising a supporting arm, a fixing piece and a floating piece, wherein the fixing piece and the floating piece are arranged on the supporting arm;

the fixed piece is static relative to the product shell, the floating piece is connected with the fixed piece, and the floating piece can move in the horizontal direction relative to the fixed piece;

the lifting mechanism can drive the fixed piece and the floating piece to descend towards the direction of the part through the supporting arm;

2. The floating correcting and positioning device of claim 1, wherein the fixed member is provided with a through hole, the floating member and the fixed member are connected with the through hole in a matching way through a screw, and the inner diameter of the through hole is larger than the outer diameter of the screw;

3. The floating alignment fixture of claim 1 wherein said first alignment mechanism includes a pin sleeve on the underside of said float, said pin sleeve having housing alignment holes therein, said product housing having housing alignment posts, said float being movable in a horizontal plane to a position for insertion of said housing alignment posts into said housing alignment holes.

4. The floating correcting positioning device of claim 3, wherein the opening of the positioning hole of the outer shell is provided with a reverse tapered surface with a wider lower part and a narrower upper part, and the diameter of the wider side of the reverse tapered surface is larger than that of the top of the positioning column of the outer shell.

5. The floating corrective positioning device of claim 3, where said pin bosses are at least 2 in number.

6. The floating correcting positioning device of claim 3, wherein the second positioning mechanism comprises a part positioning post and a part pressing post, the part is provided with a part positioning hole, and the part can move to an assembling position to enable the part positioning post to be inserted into the part positioning hole;

the top end of the part positioning column is provided with a conical bulge, and the tip part of the conical bulge points to the part positioning hole;

7. The floating correcting positioning device of claim 6, wherein the distance from the top end of the housing positioning post to the edge of the inverted conical surface is smaller than the distance from the top end of the part positioning post to the surface of the part positioning hole.

8. The floating correction positioning device as claimed in claim 1, wherein the supporting arms are disposed on both sides of the fixed member and the floating member, and mounting slots are disposed on the inner sides of the supporting arms, and both sides of the fixed member are fixed in the mounting slots.

9. The floating correcting and positioning device of claim 1, wherein the lifting mechanism comprises a frame, and a lifting driving member, a lifting slide rail and a lifting slide seat fixed on the frame, the lifting driving member can control the lifting slide seat to lift on the lifting slide rail;

one end of the supporting arm is fixed on the lifting sliding seat.

10. The floating correcting and positioning device of claim 1, wherein a pressure sensor is further provided between the fixed member and the floating member for detecting the pressing pressure of the floating member;