CN105750793A - Floating positioning mechanism - Google Patents
Floating positioning mechanism Download PDFInfo
- Publication number
- CN105750793A CN105750793A CN201610098479.6A CN201610098479A CN105750793A CN 105750793 A CN105750793 A CN 105750793A CN 201610098479 A CN201610098479 A CN 201610098479A CN 105750793 A CN105750793 A CN 105750793A
- Authority
- CN
- China
- Prior art keywords
- floating
- alignment pin
- bearing
- positioning device
- locating piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0408—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work for planar work
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bearings For Parts Moving Linearly (AREA)
Abstract
The invention discloses a floating positioning mechanism.The floating positioning mechanism comprises at least two linear bearings and a positioning block; the linear bearings are arranged to be parallel to one another and all penetrate through a connecting piece to be fixedly arranged on the connecting piece; the positioning block comprises a floating positioning block body, a first positioning pin, a fixed positioning block body and a second positioning pin, wherein the floating positioning block body is slidably connected with one end of each linear bearing, the first positioning pin is closely matched with the floating positioning block body and is axially perpendicular to the linear bearings, the fixed positioning block body is used by being matched with the floating positioning block body and provided with a through hole used for fixing the fixed positioning block body, and the second positioning pin is closely matched with the fixed positioning block body and arranged to be parallel to the first positioning pin.The floating positioning mechanism has the advantage of being high in positioning precision and can ensure the positioning installation quality and reduce the machining cost brought by replacement or frequently maintenance.
Description
Technical field
The present invention relates to weld car field.It is more particularly related to a kind of floating positioning device.
Background technology
In weld car field, particularly in four weld jigs, floating positioning device uses general.A lot of mechanisms repetitive positioning accuracy is poor, after using a period of time, due to mechanical wear, causes that location is inaccurate, thus affecting the total quality of welded body.Therefore need to make regular check on and change, both added workload, also reduce the quality of work.
Summary of the invention
It is an object of the invention to solve at least the above, and the advantage that at least will be described later is provided.
It is a still further object of the present invention to provide a kind of floating positioning device, in weld car field, there is the advantage that repetitive positioning accuracy is high, it is ensured that the quality of location and installation, reduce simultaneously and change or frequently keep in repair the processing cost brought.
In order to realize these purposes according to the present invention and further advantage, it is provided that a kind of floating positioning device, including:
At least two linear bearing, its opposing parallel setting, and both pass through connector to be fixedly arranged on described connector；
Locating piece, comprising:
Floating locating piece, its one end with described at least two linear bearing is all slidably connected；
First alignment pin, it is with described floating locating piece tight fit, and axially vertical with described linear bearing；
Stationary positioned block, it uses with the collocation of described floating locating piece, and described stationary positioned block is provided with the through hole for fixing described stationary positioned block；
Second alignment pin, it is with described stationary positioned block tight fit, and with the described first opposing parallel setting of alignment pin.
Preferably, described floating positioning device, described floating locating piece is provided with the first blind hole inserted for described first alignment pin, being additionally provided with and connect with described first blind hole and first through hole vertically disposed with described first alignment pin, the first jackscrew inserts in described first through hole so that described first alignment pin and described floating locating piece realize tight fit.
Preferably, described floating positioning device, described stationary positioned block is provided with the second blind hole inserted for described second alignment pin, being additionally provided with and connect with described second blind hole and second through hole vertically disposed with described second alignment pin, the second jackscrew inserts in described second through hole so that described second alignment pin and described stationary positioned block realize tight fit.
Preferably, described floating positioning device, described at least two linear bearing is two linear bearings.
Preferably, described floating positioning device, described linear bearing is metal linear bearing.
Preferably, described floating positioning device, described linear bearing includes:
Bearing outer ring, it is the cylinder with hollow structure, along it, axially symmetric to be provided with four cross sections be trapezoidal the first chute to the inwall of described bearing outer ring, and described floating locating piece is provided with the through hole being slidably connected with described linear bearing, and it is connected with described bearing outer ring；
Bearing inner race, its one end is socketed in described bearing outer ring, it is trapezoidal the second chute that the outer wall of described bearing inner race is provided with described first chute cross section one to one, to form four cross sections for foursquare slideway with described first chute, one end extension of described bearing inner race is fixed on described connector；
Multiple balls, it is located in described slideway, and its inwall with described slideway realizes four point cantact, so that the relatively described bearing inner race of described bearing outer ring is slidably.
Preferably, described floating positioning device, described connector is made up of integrated two parts, Part I is U-shaped structure, said two linear bearing is arranged in two parallel standing portion of described Part I, Part II is linear structure, and described Part II is provided with at least two through hole for fixing described connector.
The floating positioning device simple in construction of the present invention, practicality are big, and positioning precision is high, it is possible to reaches the welding quality of Metal Sheets for Body-manufacturing high request, at least includes following beneficial effect:
1) by a fixed locating stud and a floating positioning pin, it is possible to be accurately positioned the installing component that the installation accuracies such as the nutplate that similar automobile door frame position hinges are high；
2) fixed locating stud and floating positioning pin are respectively provided on two independent locating pieces, it is possible to achieve the location of different installing components needs, and increases its use scope；
3) alignment pin easily weares and teares in position fixing process, but due to floating locating piece can Relative Floating, add orientation range, it is possible to make up the abrasion of alignment pin, extend its service life, reduce processing cost；
4) adopting jackscrew that alignment pin is fixed on locating piece, simple, quick detachable, stability maintenance is high；
5) metal linear bearing is adopted to realize location of floating, simple in construction；
6) linear bearing of the present invention adopts the square slideway that rectangle chute is constituted, and making ball is four point cantact with contacting of slideway, it is possible to be effectively improved the bearing capacity of linear bearing, better realizes being slidably connected, with satisfied floating needs.
Part is embodied by the further advantage of the present invention, target and feature by description below, and part is also by by being understood by those skilled in the art the research of the present invention and practice.
Accompanying drawing explanation
Fig. 1 is the structural representation of the floating positioning device of the present invention；
Fig. 2 is the schematic cross-section of the linear bearing described in a technical scheme of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail, to make those skilled in the art can implement according to this with reference to description word.
Should be appreciated that used herein such as " have ", existence or the interpolation of other elements one or more or its combination do not allotted in " comprising " and " including " term.
As it is shown in figure 1, the present invention provides a kind of floating positioning device, including:
At least two linear bearing 4, its opposing parallel setting, and both pass through connector 3 to be fixedly arranged on described connector 3, can be three be arranged in parallel or four linear bearings, the subassembly selection of installation can be supported according to actual needs, at this, when connector 3 is for installing component, assist the structural member of fixed linear bearing；
Locating piece, comprising:
Floating locating piece 6, its one end with described at least two linear bearing 4 is all slidably connected；
First alignment pin 2, it is with described floating locating piece 6 tight fit, and axially vertical with described linear bearing 4；
Stationary positioned block 5, it uses with the collocation of described floating locating piece 6, and described stationary positioned block 5 is provided with the through hole for fixing described stationary positioned block 5；
Second alignment pin 1, it is with described stationary positioned block 5 tight fit, and with the described first opposing parallel setting of alignment pin 2.
First alignment pin 2 is under the drive of floating locating piece 6, Relative Floating can be there is by linear bearing 4 with fixing connector 3, with the satisfied needs installing location, or make up the position error caused in the first alignment pin 2 life-time service process due to abrasion, make up its gauge wear, reduce production cost, improve positioning precision simultaneously.
Stationary positioned block 5 uses with floating locating piece 6 collocation, so that the second alignment pin 1 and the first alignment pin 2 are in the spacing hole inserting parts place to be installed, stationary positioned block 5 and floating locating piece 6 are to separate independent form collocation, its use scope can be expanded, such as, when A parts are installed, two spacing hole pitchs of holes are 5cm, when B parts are installed, when two spacing hole pitchs of holes are 6cm, the floating positioning device of the present invention can use, additionally, can also be adopt floating connection between stationary positioned block and floating locating piece, compare and both fixing connections there is certain scope of application, but it is independent to compare both, there is certain limitation.
In another kind of technical scheme, described floating positioning device, described floating locating piece 6 is provided with the first blind hole inserted for described first alignment pin 2, being additionally provided with and connect with described first blind hole and first through hole vertically disposed with described first alignment pin, the first jackscrew inserts in described first through hole so that described first alignment pin 2 realizes tight fit with described floating locating piece 6.
In another kind of technical scheme, described floating positioning device, described stationary positioned block 5 is provided with the second blind hole inserted for described second alignment pin 1, being additionally provided with and connect with described second blind hole and second through hole vertically disposed with described second alignment pin, the second jackscrew inserts in described second through hole so that described second alignment pin 1 realizes tight fit with described stationary positioned block 5.
In another kind of technical scheme, described floating positioning device, described at least two linear bearing 4 is two linear bearings 4.
In another kind of technical scheme, described floating positioning device, described linear bearing 4 is metal linear bearing, can think commercially available, it is also possible to for what relate in another technical scheme of the present invention.
In another kind of technical scheme, described floating positioning device, as in figure 2 it is shown, described linear bearing 4 includes:
Bearing outer ring 41, it is the cylinder with hollow structure, along it, axially symmetric to be provided with four cross sections be trapezoidal the first chute to the inwall of described bearing outer ring 41, described floating locating piece is provided with the through hole being slidably connected with described linear bearing, it is connected with described bearing outer ring, it is possible to be that screw thread is affixed or the removably connecting of other modes；
Bearing inner race 42, its one end is socketed in described bearing outer ring 41, it is trapezoidal the second chute that the outer wall of described bearing inner race 42 is provided with described first chute cross section one to one, to form four cross sections for foursquare slideway with described first chute, one end of described bearing inner race 42 extends and is fixed on described connector 3, it is possible to be that screw thread is affixed or the removably connecting of other modes；
Multiple balls 43, it is located in described slideway, and its inwall with described slideway realizes four point cantact, so that the relatively described bearing inner race 42 of described bearing outer ring 41 is slidably, in each slideway, several balls are set, it is possible to the situation and the ball size that regulate floating as required set.
In another kind of technical scheme, described floating positioning device, described connector 3 is made up of integrated two parts, Part I is U-shaped structure, said two linear bearing 4 is arranged in two parallel standing portion of described Part I, Part II is linear structure, and described Part II is provided with at least two through hole for fixing described connector 3.
Although embodiment of the present invention are disclosed as above, but listed utilization that it is not restricted in description and embodiment, it can be applied to various applicable the field of the invention completely, for those skilled in the art, it is easily achieved other amendment, therefore, under the general concept limited without departing substantially from claim and equivalency range, the present invention is not limited to specific details and shown here as the legend with description.
Claims (7)
1. a floating positioning device, it is characterised in that including:
At least two linear bearing, its opposing parallel setting, and both pass through connector to be fixedly arranged on described connector；Locating piece, comprising:
Floating locating piece, its one end with described at least two linear bearing is all slidably connected；
First alignment pin, it is with described floating locating piece tight fit, and axially vertical with described linear bearing；
Stationary positioned block, it uses with the collocation of described floating locating piece, and described stationary positioned block is provided with the through hole for fixing described stationary positioned block；
Second alignment pin, it is with described stationary positioned block tight fit, and with the described first opposing parallel setting of alignment pin.
2. floating positioning device as claimed in claim 1, it is characterized in that, described floating locating piece is provided with the first blind hole inserted for described first alignment pin, being additionally provided with and connect with described first blind hole and first through hole vertically disposed with described first alignment pin, the first jackscrew inserts in described first through hole so that described first alignment pin and described floating locating piece realize tight fit.
3. floating positioning device as claimed in claim 2, it is characterized in that, described stationary positioned block is provided with the second blind hole inserted for described second alignment pin, being additionally provided with and connect with described second blind hole and second through hole vertically disposed with described second alignment pin, the second jackscrew inserts in described second through hole so that described second alignment pin and described stationary positioned block realize tight fit.
4. floating positioning device as claimed in claim 3, it is characterised in that described at least two linear bearing is two linear bearings.
5. floating positioning device as claimed in claim 4, it is characterised in that described linear bearing is metal linear bearing.
6. floating positioning device as claimed in claim 4, it is characterised in that described linear bearing includes:
Bearing outer ring, it is the cylinder with hollow structure, along it, axially symmetric to be provided with four cross sections be trapezoidal the first chute to the inwall of described bearing outer ring, and described floating locating piece is provided with the through hole being slidably connected with described linear bearing, and it is connected with described bearing outer ring；
Bearing inner race, its one end is socketed in described bearing outer ring, it is trapezoidal the second chute that the outer wall of described bearing inner race is provided with described first chute cross section one to one, to form four cross sections for foursquare slideway with described first chute, one end extension of described bearing inner race is fixed on described connector；
Multiple balls, it is located in described slideway, and its inwall with described slideway realizes four point cantact, so that the relatively described bearing inner race of described bearing outer ring is slidably.
7. floating positioning device as claimed in claim 5, it is characterized in that, described connector is made up of integrated two parts, Part I is U-shaped structure, said two linear bearing is arranged in two parallel standing portion of described Part I, Part II is linear structure, and described Part II is provided with at least two through hole for fixing described connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610098479.6A CN105750793A (en) | 2016-02-23 | 2016-02-23 | Floating positioning mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610098479.6A CN105750793A (en) | 2016-02-23 | 2016-02-23 | Floating positioning mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105750793A true CN105750793A (en) | 2016-07-13 |
Family
ID=56329757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610098479.6A Pending CN105750793A (en) | 2016-02-23 | 2016-02-23 | Floating positioning mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105750793A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110007988A1 (en) * | 2009-07-07 | 2011-01-13 | Nan Juen International Co., Ltd. | Sliding track assembly |
| CN202922298U (en) * | 2012-11-21 | 2013-05-08 | 无锡市贝斯特精密机械有限公司 | Double-floating positioning mechanism |
| CN205057362U (en) * | 2015-08-10 | 2016-03-02 | 武汉德宝机电设备制造有限公司 | Floating locating mechanism |
-
2016
- 2016-02-23 CN CN201610098479.6A patent/CN105750793A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110007988A1 (en) * | 2009-07-07 | 2011-01-13 | Nan Juen International Co., Ltd. | Sliding track assembly |
| CN202922298U (en) * | 2012-11-21 | 2013-05-08 | 无锡市贝斯特精密机械有限公司 | Double-floating positioning mechanism |
| CN205057362U (en) * | 2015-08-10 | 2016-03-02 | 武汉德宝机电设备制造有限公司 | Floating locating mechanism |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160713 |