CN201295838Y - Positioning structure of a car longitudinal beam - Google Patents
Positioning structure of a car longitudinal beam Download PDFInfo
- Publication number
- CN201295838Y CN201295838Y CNU2008200269840U CN200820026984U CN201295838Y CN 201295838 Y CN201295838 Y CN 201295838Y CN U2008200269840 U CNU2008200269840 U CN U2008200269840U CN 200820026984 U CN200820026984 U CN 200820026984U CN 201295838 Y CN201295838 Y CN 201295838Y
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- right support
- left socle
- alignment pin
- positioning
- automobile longitudinal
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Abstract
The utility model relates to the field of the car longitudinal beam processing machinery, and in particular to a positioning structure of the car longitudinal beam, the structure thereof comprises a base, a synchronous belt, a synchronous belt wheel, a left bracket, a right bracket, a positioning air cylinder, a positioning pin and a positioning pin adjusting mechanism, wherein, the synchronous belt is arranged on the base through two synchronous belt wheels, and the left and the right brackets are arranged on the base in a sliding way and are respectively fixedly connected with both ends of the synchronous belt, and a cylinder body and a piston of the positioning air cylinder are respectively and fixedly connected with the left and the right brackets, and the two positioning pins are respectively arranged on the left and the right brackets through the positioning pin adjusting mechanism. Compared with the prior art, the positioning structure of the car longitudinal beam has the advantages of flexible variation of the benchmark, low production cost, simple structure, complete functions, high reliability, and the like. Through the cooperative application of two groups (or more groups) of the positioning structures, the car longitudinal beam can be positioned at any side of two longitudinal side contours or on any of inner longitudinal straight lines, and the positioning line of the car longitudinal beam can be adopted as the benchmark line for the processing and the feeding.
Description
Technical field
The utility model relates to automobile longitudinal girder processing equipment field, and a kind of location structure of automobile longitudinal girder specifically is provided.
Background technology
In the process of automobile longitudinal girder, processing, send to datum line is inner straight line of workpiece (most is the workpiece center line) or workpiece sideline.
Automobile longitudinal girder location structure of the prior art be reducing motor pass through sprocket wheel, chain with one half left-handedly link to each other with the leading screw of half dextrorotation, leading screw drives rack-mount left positioner pin and right positioner pin move toward one another respectively when changeing, rely on the torque controller that is installed in the leading screw end to control finishing of centering during the automobile longitudinal girder location, the move toward one another of alignment pin and counter motion are finished by rotating and reverse of motor of control.Have the following disadvantages in this location structure: 1, driving-chain is more, in use often breaks down; 2, drive disk assembly low precision adds that wearing and tearing all can appear in a plurality of links, and deviation often appears in position, back, automobile longitudinal girder location, influences the following process precision of automobile longitudinal girder; 3, torque controller frequently uses, and the life-span is lower, the Torque Control instability; 5, leading screw is stressed very big when the location, bending can occur, moves not steady; 6, back, longeron location alignment pin does not have fastening force to automobile longitudinal girder, and automobile longitudinal girder has a strong impact on positioning accuracy processing, can occurring when sending to going here and there and move.
Summary of the invention
The utility model is at above-mentioned the deficiencies in the prior art, and the location structure of a kind of flexibly changing benchmark, low cost of manufacture, simple in structure, complete function, automobile longitudinal girder that reliability is high is provided.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of location structure of automobile longitudinal girder, be characterized in, comprise base, be with synchronously, synchronous pulley, left socle, right support, positioning cylinder, alignment pin and alignment pin guiding mechanism, band is arranged on the base by two synchronous pulleys synchronously, left socle, right support all is slidingly arranged on the base, and fixedly connected with synchronous band two ends respectively, the cylinder body of positioning cylinder and piston respectively with left socle, right support fixes, and two alignment pins are arranged on left socle and the right support by the alignment pin guiding mechanism respectively.In the course of work (when locating) with the vertical inner straight line of automobile longitudinal girder, at first utilize the alignment pin guiding mechanism to adjust the horizontal level and the vertical height of alignment pin, then, to the centre or simultaneously to the both sides motion, the movement velocity of alignment pin and displacement equate to lean on synchronous band and synchronous pulley accurately to guarantee to left and right support drive alignment pin on base.
In order to achieve with any side of longeron location, can be fixed with the benchmark fixed head respectively at the base two ends, on benchmark fixed head and corresponding left socle, right support, have positioning screw hole.In the course of work (is example with the left side), left side benchmark fixed head and left socle use screw thread are rigidly connected, again right support are separated with being with synchronously, move to the left by positioning cylinder drive right support and alignment pin, to realize that the left side is the location needs of benchmark.
Preferably, base is provided with guide rail, and left socle, right support bottom are fixed with slide block, and left socle, right support are slidingly arranged on the base by slide block, guide rail respectively.
Understand the adjustable range of alignment pin aspect horizontal for convenience, can rule be set respectively at left socle and right support top.
Preferably, described alignment pin guiding mechanism is mainly by adjusting bolt, middle guide, nut seat being constituted, the adjustment bolt passes left socle, right support is threaded with nut seat, and middle guide is fixedly installed on left socle, the right support, and alignment pin is fixedlyed connected with nut seat.
Be provided with locking nut adjusting between bolt and left socle, the right support.
Described alignment pin is connected with nut seat by lift cylinder, fixed block, and the lift cylinder piston end is fixedlyed connected with alignment pin, and the lift cylinder cylinder body is fixedlyed connected with nut seat by fixed block.Be outside equipped with guide pin bushing at alignment pin.
The location structure of automobile longitudinal girder of the present utility model is compared with prior art, has following outstanding beneficial effect:
(1) with cylinder (hydraulic cylinder) as power, saved drive disk assemblies such as the motor in the original structure, reductor, chain sprocket, leading screw, structure is greatly simplified, and has improved reliability of operation, has reduced manufacturing cost;
(2) utilize the characteristic of cylinder (hydraulic cylinder), make it phenomenon can not occur transshipping, and can keep air pressure (or oil pressure) to make alignment pin certain fastening force be arranged behind the location to workpiece, and avoided automobile longitudinal girder the moving phenomenon of string to occur in processing, when sending to, guaranteed positioning accuracy;
(3) movement velocity of left and right sides alignment pin and displacement adopt with left and right sides support fixes and bring control synchronously, because comparing with trapezoidal silk cylinder, band transmission synchronously has gapless characteristic, can guarantee the accuracy of left and right sides alignment pin position, thereby further improve positioning accuracy.
Description of drawings
Accompanying drawing 1 is the main TV structure schematic diagram of the location structure of the utility model automobile longitudinal girder;
Accompanying drawing 3 is the cutaway views along A-A line among Fig. 1;
Accompanying drawing 4 is the cutaway views along B-B line among Fig. 1.
The specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments, but not as to qualification of the present utility model.
Provide a most preferred embodiment below:
A kind of location structure of automobile longitudinal girder, its structure mainly by base 1, be with 2 synchronously, synchronous pulley 3, left socle 4, right support 5, positioning cylinder 6, benchmark fixed head 7, rule 8, alignment pin 9 and alignment pin guiding mechanism constitute.Wherein, the alignment pin guiding mechanism is by adjusting bolt 10, middle guide 11, nut seat 12, lift cylinder 13, fixed block 14 etc. being constituted.
On base 1, be fixed with guide rail 15.Two synchronous pulleys 3 are separately fixed at the position at base 1 upper rail 15 two ends.Be fixed with slide block 16 in left socle 4, right support 5 bottoms.Left socle 4, right support 5 are slidingly arranged on the base 1 by slide block 16, guide rail 15 respectively, and fixedly connected with two ends with 2 synchronously by synchronous band fixed block 17,18.Positioning cylinder 6 is fixed between left socle 4 and the right support 5, and its cylinder body and piston fix with left socle 4, right support 5 respectively.Two benchmark fixed heads 7 are separately fixed at base 1 two ends, can be connected with left socle 4, right support 5 respectively by screw.Two rules 8 are separately fixed at the top of left socle 4 and right support 5, are used for the adjustment distance of measurement and positioning pin 9 aspect horizontal.
The course of work of the location structure of automobile longitudinal girder of the present utility model is as follows:
One, with the inner straight line of automobile longitudinal girder as processing, when sending benchmark to:
The benchmark fixed head does not link to each other with left and right support, is with fixed block to be connected with left and right support respectively synchronously.Utilize the fixed pulley movement characteristic, positioning cylinder is when driving left and right support and fixed block, lift cylinder, guide pin bushing, alignment pin motion, guaranteed that by synchronous band its movement velocity and displacement all equate, by adjusting the position that bolt is adjusted processing, sent benchmark to, make design processing, send benchmark and processing to, send datum coincidence to, adjust the back and get final product by locking nut locking.
Two, with any side wheel profile of automobile longitudinal girder as processing, when sending benchmark to:
With required processing, send benchmark one side to the benchmark fixed head be connected by screw with side stand, be with fixed block not to be connected synchronously with left and right support.The support that is connected with the benchmark fixed head is for maintaining static, the opposite side support moves to fixation side under the drive of cylinder, by adjusting the position that bolt is adjusted processing, sent benchmark to, make design processing, send benchmark and processing to, send datum coincidence to, adjust the back and get final product by locking nut locking.
Be used by above two groups (or greater than two groups) detent mechanisms, can realize automobile longitudinal girder with any side location of vertical two side profile or with its vertical inner straight line location, and with it as processing, the datum line sent to.The position of datum line and angle are adjusted by adjusting bolt, and reflect the adjustment distance accurately by rule.
In addition, automobile longitudinal girder location structure of the present utility model also can be used for other plate that meets the automobile longitudinal girder feature in the position fixing process that processing is sent to.
Above-described embodiment, the utility model specific embodiment a kind of more preferably just, the common variation that those skilled in the art carries out in the technical solutions of the utility model scope and replacing all should be included in the protection domain of the present utility model.
Claims (8)
1, a kind of location structure of automobile longitudinal girder, it is characterized in that, comprise base, synchronous band, synchronous pulley, left socle, right support, positioning cylinder, alignment pin and alignment pin guiding mechanism, band is arranged on the base by two synchronous pulleys synchronously, left socle, right support all are slidingly arranged on the base, and fixedly connected with synchronous band two ends respectively, the cylinder body of positioning cylinder and piston fix with left socle, right support respectively, and two alignment pins are arranged on left socle and the right support by the alignment pin guiding mechanism respectively.
2, the location structure of automobile longitudinal girder according to claim 1 is characterized in that, is fixed with the benchmark fixed head respectively at the base two ends, has positioning screw hole on benchmark fixed head and corresponding left socle, right support.
3, the location structure of automobile longitudinal girder according to claim 1 is characterized in that, base is provided with guide rail, and left socle, right support bottom are fixed with slide block, and left socle, right support are slidingly arranged on the base by slide block, guide rail respectively.
4, the location structure of automobile longitudinal girder according to claim 1 is characterized in that, is respectively arranged with rule at left socle and right support top.
5, according to the location structure of claim 1,2,3 or 4 described automobile longitudinal girders, it is characterized in that, described alignment pin guiding mechanism is mainly by adjusting bolt, middle guide, nut seat being constituted, the adjustment bolt passes left socle, right support is threaded with nut seat, middle guide is fixedly installed on left socle, the right support, and alignment pin is fixedlyed connected with nut seat.
6, the location structure of automobile longitudinal girder according to claim 5 is characterized in that, is provided with locking nut adjusting between bolt and left socle, the right support.
7, the location structure of automobile longitudinal girder according to claim 5, it is characterized in that, described alignment pin is connected with nut seat by lift cylinder, fixed block, and the lift cylinder piston end is fixedlyed connected with alignment pin, and the lift cylinder cylinder body is fixedlyed connected with nut seat by fixed block.
8, the location structure of automobile longitudinal girder according to claim 7 is characterized in that, is outside equipped with guide pin bushing at alignment pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200269840U CN201295838Y (en) | 2008-08-22 | 2008-08-22 | Positioning structure of a car longitudinal beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200269840U CN201295838Y (en) | 2008-08-22 | 2008-08-22 | Positioning structure of a car longitudinal beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201295838Y true CN201295838Y (en) | 2009-08-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200269840U Expired - Fee Related CN201295838Y (en) | 2008-08-22 | 2008-08-22 | Positioning structure of a car longitudinal beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201295838Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102152146A (en) * | 2011-04-15 | 2011-08-17 | 青岛海通车桥有限公司 | Clamp for drilling holes of plate spring panels of front axle of automobile and using method thereof |
| CN102728769A (en) * | 2011-04-13 | 2012-10-17 | 漳州市昌龙汽车附件有限公司 | Multi-type frame opening positioning device |
| CN109928176A (en) * | 2019-03-08 | 2019-06-25 | 天奇自动化工程股份有限公司 | Multiposition positions rolling bed |
| CN111390368A (en) * | 2020-05-15 | 2020-07-10 | 国机铸锻机械有限公司 | Automatic beam-combining spot welding method and device for longitudinal beam |
-
2008
- 2008-08-22 CN CNU2008200269840U patent/CN201295838Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102728769A (en) * | 2011-04-13 | 2012-10-17 | 漳州市昌龙汽车附件有限公司 | Multi-type frame opening positioning device |
| CN102152146A (en) * | 2011-04-15 | 2011-08-17 | 青岛海通车桥有限公司 | Clamp for drilling holes of plate spring panels of front axle of automobile and using method thereof |
| CN102152146B (en) * | 2011-04-15 | 2013-05-22 | 青岛海通车桥有限公司 | Clamp for drilling holes of plate spring panels of front axle of automobile and using method thereof |
| CN109928176A (en) * | 2019-03-08 | 2019-06-25 | 天奇自动化工程股份有限公司 | Multiposition positions rolling bed |
| CN109928176B (en) * | 2019-03-08 | 2024-04-02 | 天奇自动化工程股份有限公司 | Multi-position positioning rolling machine |
| CN111390368A (en) * | 2020-05-15 | 2020-07-10 | 国机铸锻机械有限公司 | Automatic beam-combining spot welding method and device for longitudinal beam |
| CN111390368B (en) * | 2020-05-15 | 2023-09-19 | 国机铸锻机械有限公司 | Automatic beam-closing spot welding method and equipment for longitudinal beam |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090826 Termination date: 20110822 |