CN204686471U - For the clamping force the monitored self-centering clamping device of back axle processing - Google Patents
For the clamping force the monitored self-centering clamping device of back axle processing Download PDFInfo
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- CN204686471U CN204686471U CN201520449895.7U CN201520449895U CN204686471U CN 204686471 U CN204686471 U CN 204686471U CN 201520449895 U CN201520449895 U CN 201520449895U CN 204686471 U CN204686471 U CN 204686471U
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- block
- push rod
- clamping force
- pull bar
- back axle
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Abstract
The utility model relates to the clamping force the monitored self-centering clamping device for back axle processing, V-block pull bar is installed on also can along its side-to-side movement in the pilot hole of right side pedestal, right V-block is placed in the gathering sill of right side pedestal and can horizontally slips along it, right side pedestal is provided with hydraulic cylinder, hydraulic cylinder to be driven with V-block push rod by hydraulic push rod and is connected, V-block push rod is connected with right V-block, V-block push rod forms linkage by connecting rod and V-block pull bar, connecting rod is supported on the pedestal of right side by central shaft and also can rotates around central shaft, V-block pull bar left end is connected with left support abutment, left V-block is installed in left support abutment, left V-block is relative with right V-block, left V-block and right V-block are equipped with the force cell for detecting clamping force size.Solve the self-centering orientation problem during processing of back axle two end flanges, and reduce the workpiece deformation produced by clamping force, thus improve the machining accuracy of workpiece.
Description
Technical field
The utility model relates to a kind of clamping force monitored self-centering clamping device for back axle processing.
Background technology
After processing during the ring flange of shell welding assembly two ends, need to position clamping to back axle two ends ring flange, then process.Back axle two ends ring flange adds man-hour with middle macropore coarse positioning, clamps with the main location of ring flange cylindrical, two ends.Existing clamping mode many employings chuck clamping, but the method centering is inaccurate, reduces machining accuracy.When adopting centering and clamping apparatus clamping, although workpiece centering accurately, because clamping force during clamping is uncontrollable, machining accuracy is caused to reduce.If clamping force is excessive, causes clamping point place workpiece to produce micro-deformation, affect accurate to dimension, positional precision; If clamping force is inadequate, equally also machining accuracy can be affected.Therefore need to carry out measuring and adjustation to the clamping force of each clamping point, make clamping force adjust to suitable size, reduce the distortion that clamping force produces, improve machining accuracy.
Utility model content
The purpose of this utility model is the deficiency overcoming prior art existence, provides a kind of clamping force monitored self-centering clamping device for back axle processing.
The purpose of this utility model is achieved through the following technical solutions:
For the clamping force the monitored self-centering clamping device of back axle processing, feature is: comprise right side pedestal, V-block push rod, V-block pull bar, right V-block and left V-block, V-block pull bar is installed on also can along its side-to-side movement in the pilot hole of right side pedestal, right V-block is placed in the gathering sill of right side pedestal and can horizontally slips along it, right side pedestal is provided with hydraulic cylinder, hydraulic cylinder to be driven with V-block push rod by hydraulic push rod and is connected, V-block push rod is connected with right V-block, V-block push rod forms linkage by connecting rod and V-block pull bar, connecting rod is supported on the pedestal of right side by central shaft and also can rotates around central shaft, V-block pull bar left end is connected with left support abutment, left V-block is installed in left support abutment, left V-block is relative with right V-block, left V-block and right V-block are equipped with the force cell for detecting clamping force size.
Further, the above-mentioned clamping force the monitored self-centering clamping device for back axle processing, wherein, the left part of described V-block push rod is provided with boss, the fit depressions of described boss and right V-block right part.
Further, the above-mentioned clamping force the monitored self-centering clamping device for back axle processing, wherein, the upper and lower two ends of described connecting rod are hinged respectively by bearing pin and V-block push rod and V-block pull bar.
Further, the above-mentioned clamping force the monitored self-centering clamping device for back axle processing, wherein, described force cell is connected to Data Analysis Services system.
Substantive distinguishing features and the progress of technical solutions of the utility model are mainly reflected in:
The utility model solves the self-centering orientation problem during processing of back axle two end flanges, and reduces the workpiece deformation produced by clamping force, thus improves the machining accuracy of workpiece.Back axle two ends fixture adopts horizontal V-shaped self contering structure, and two ends self contering structure adopts the two guide rail form vertical pulling clamp mode of oil cylinder, artificial loading, unloading material, Hydraumatic automatic clamping.Utilize sensing technology, detect the pressure of each location clamping point, by pressure sensing result input data analysis treatment system, calculate the pinching deformation of back axle two end flanges, finely tuned by location micro-adjusting mechanism, make pinching deformation little as far as possible.Due to the reason of gravity, when locating pinching deformation and being inevitable, by Data Analysis Services system, calculate elastic deformation amount's size and Orientation, and carry out in feed system trace fine setting to produce error compensate, unexpectedly may reduce the impact of pinching deformation on crudy.By calculating distortion size, improve machining accuracy adding to compensate man-hour.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, technical solutions of the utility model are described further:
Fig. 1: structural representation of the present utility model.
Detailed description of the invention
As shown in Figure 1, for the clamping force the monitored self-centering clamping device of back axle processing, comprise right side pedestal 13, V-block push rod 4, V-block pull bar 7, right V-block 3 and left V-block 1, V-block pull bar 7 is installed on also can along its side-to-side movement in the pilot hole of right side pedestal 13, right V-block 3 is placed in the gathering sill of right side pedestal 13 and can horizontally slips along it, right side pedestal (13) is provided with hydraulic cylinder 6, hydraulic cylinder 6 is driven with V-block push rod 4 by hydraulic push rod 5 and is connected, V-block push rod 4 is connected with right V-block 3, the left part of V-block push rod 4 is provided with boss, the fit depressions of boss and right V-block 3 right part, V-block push rod 4 forms linkage by connecting rod 8 and V-block pull bar 7, connecting rod 8 upper end is hinged by bearing pin and V-block push rod 4, connecting rod 8 lower end is hinged by bearing pin 10 and V-block pull bar 7, end is provided with nut 9, connecting rod 8 is supported on the pedestal 13 of right side by central shaft 11 and also can rotates around central shaft 11, V-block pull bar 7 left end is connected with left support abutment 14, V-block 1 is installed in left support abutment 14 by bearing pin 12, left V-block 1 is relative with right V-block 3, left V-block 1 and right V-block 3 are equipped with the force cell 2 for detecting clamping force size, force cell 2 is connected to Data Analysis Services system.
Concrete pinching process is: workpiece is placed in the middle of right V-block 3 and left V-block 1, hydraulic cylinder 6 promotes hydraulic push rod 5 and is moved to the left, V-block push rod 4 is driven to be moved to the left when hydraulic push rod 5 is moved to the left, drive right V-block 3 to be moved to the left when V-block push rod 4 is moved to the left simultaneously, V-block push rod 4 and V-block pull bar 7 connect to form a linkage by connecting rod 8, when V-block push rod 4 is moved to the left, V-block pull bar 7 is driven to be synchronized with the movement to the right by connecting rod 8, moving right Displacement Ratio is left 1:1, V-block pull bar 7 pulls left V-block 1 to move right when moving right, left V-block 1 and right V-block 3 moving clip clamping of workpieces simultaneously, pressure sensing result is transferred to Data Analysis Services system by the force cell 2 after clamping on V-block, calculate the pinching deformation of back axle two end flanges, finely tuned by location micro-adjusting mechanism, make pinching deformation little as far as possible, due to the reason of gravity, when locating pinching deformation and being inevitable, by Data Analysis Services system, calculate elastic deformation amount's size and Orientation, and carry out in feed system trace fine setting to produce error compensate, unexpectedly may reduce the mismachining tolerance that pinching deformation brings.
For the clamping force the monitored self-centering clamping device of car back axle processing, back axle is with middle macropore coarse positioning, clamp with the main location of cylindrical V-type, two ends, two ends fixture adopts horizontal V-shaped self contering structure, fixture self-centering is located, during location, during clamp part, each clamping point is equipped with the clamping force that a force cell is used for detecting clamping place, the data measured are passed to Data Analysis Services system by force cell, Data Analysis Services system acceptance is to the clamping force of each clamping point, calculate the size of the deflection that each clamping point place causes due to clamping force simultaneously, the data calculated are transferred to clamp head control system by Data Analysis Services system, the clamping force of each clamping point of fixture can reasonably be distributed.If the distortion that unavoidable clamping force is brought kept away by part, Data Analysis Services system is transferred to Tool Control system according to the deflection of the part calculated, and the amount of feeding controlling cutter compensates the error of being out of shape and bringing.
In sum, the utility model solves the self-centering orientation problem during processing of back axle two end flanges, and reduces the distortion of the workpiece produced by clamping force, thus improves the machining accuracy of workpiece.Back axle two ends fixture adopts horizontal V-shaped self contering structure, and two ends self contering structure adopts the two guide rail form vertical pulling clamp mode of oil cylinder, artificial loading, unloading material, Hydraumatic automatic clamping.Utilize sensing technology, detect the pressure of each location clamping point, by pressure sensing result input data analysis treatment system, calculate the pinching deformation of back axle two end flanges, finely tuned by location micro-adjusting mechanism, make pinching deformation little as far as possible.Due to the reason of gravity, when locating pinching deformation and being inevitable, by Data Analysis Services system, calculate elastic deformation amount's size and Orientation, and carry out in feed system trace fine setting to produce error compensate, unexpectedly may reduce the impact of pinching deformation on crudy.By calculating the size of distortion, adding the precision compensating man-hour and improve processing.
It is to be understood that: the above is only preferred embodiment of the present utility model; for those skilled in the art; under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (4)
1. for the clamping force the monitored self-centering clamping device of back axle processing, it is characterized in that: comprise right side pedestal (13), V-block push rod (4), V-block pull bar (7), right V-block (3) and left V-block (1), V-block pull bar (7) is installed on also can along its side-to-side movement in the pilot hole on right side pedestal (13), right V-block (3) is placed in the gathering sill on right side pedestal (13) and can horizontally slips along it, right side pedestal (13) is provided with hydraulic cylinder (6), hydraulic cylinder (6) to be driven with V-block push rod (4) by hydraulic push rod (5) and is connected, V-block push rod (4) is connected with right V-block (3), V-block push rod (4) forms linkage by connecting rod (8) and V-block pull bar (7), connecting rod (8) is supported in right side pedestal (13) by central shaft (11) and above also can rotates around central shaft (11), V-block pull bar (7) left end is connected with left support abutment (14), in left support abutment (14), left V-block (1) is installed, left V-block (1) is relative with right V-block (3), left V-block (1) and right V-block (3) are equipped with the force cell (2) for detecting clamping force size.
2. the clamping force the monitored self-centering clamping device for back axle processing according to claim 1, it is characterized in that: the left part of described V-block push rod (4) is provided with boss, the fit depressions of described boss and right V-block (3) right part.
3. the clamping force the monitored self-centering clamping device for back axle processing according to claim 1, is characterized in that: described connecting rod (8) up and down two ends is hinged respectively by bearing pin and V-block push rod (4) and V-block pull bar (7).
4. the clamping force the monitored self-centering clamping device for back axle processing according to claim 1, is characterized in that: described force cell (2) is connected to Data Analysis Services system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520449895.7U CN204686471U (en) | 2015-06-25 | 2015-06-25 | For the clamping force the monitored self-centering clamping device of back axle processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520449895.7U CN204686471U (en) | 2015-06-25 | 2015-06-25 | For the clamping force the monitored self-centering clamping device of back axle processing |
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| Publication Number | Publication Date |
|---|---|
| CN204686471U true CN204686471U (en) | 2015-10-07 |
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|---|---|---|---|
| CN201520449895.7U Expired - Fee Related CN204686471U (en) | 2015-06-25 | 2015-06-25 | For the clamping force the monitored self-centering clamping device of back axle processing |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105033673A (en) * | 2015-06-25 | 2015-11-11 | 江苏恒力组合机床有限公司 | Self-centering clamping device and method capable of monitoring clamping force for rear axle processing |
| CN105945550A (en) * | 2016-06-28 | 2016-09-21 | 吴中区木渎蒯斌模具加工厂 | Positioning device of travel switch bottom assembly machine |
| CN108188788A (en) * | 2018-03-27 | 2018-06-22 | 张跃雄 | A kind of boring clamping force adjustable type fixture of irregular part |
| CN109270073A (en) * | 2018-09-13 | 2019-01-25 | 上海应用技术大学 | A kind of aid device based on Defect Detection system and blue light measuring system |
| CN110125847A (en) * | 2019-06-28 | 2019-08-16 | 范梅伦 | A kind of self-centering fixture |
| CN116394029A (en) * | 2023-04-12 | 2023-07-07 | 南通远大精密机械有限公司 | High-speed high-precision horizontal machining center |
-
2015
- 2015-06-25 CN CN201520449895.7U patent/CN204686471U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105033673A (en) * | 2015-06-25 | 2015-11-11 | 江苏恒力组合机床有限公司 | Self-centering clamping device and method capable of monitoring clamping force for rear axle processing |
| CN105945550A (en) * | 2016-06-28 | 2016-09-21 | 吴中区木渎蒯斌模具加工厂 | Positioning device of travel switch bottom assembly machine |
| CN108188788A (en) * | 2018-03-27 | 2018-06-22 | 张跃雄 | A kind of boring clamping force adjustable type fixture of irregular part |
| CN109270073A (en) * | 2018-09-13 | 2019-01-25 | 上海应用技术大学 | A kind of aid device based on Defect Detection system and blue light measuring system |
| CN110125847A (en) * | 2019-06-28 | 2019-08-16 | 范梅伦 | A kind of self-centering fixture |
| CN116394029A (en) * | 2023-04-12 | 2023-07-07 | 南通远大精密机械有限公司 | High-speed high-precision horizontal machining center |
| CN116394029B (en) * | 2023-04-12 | 2023-12-19 | 南通远大精密机械有限公司 | High-speed high-precision horizontal machining center |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151007 Termination date: 20160625 |
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| CF01 | Termination of patent right due to non-payment of annual fee |