CN108620904B - Novel combined clamp for milling tail plane of torsion bar arm of automobile - Google Patents
Novel combined clamp for milling tail plane of torsion bar arm of automobile Download PDFInfo
- Publication number
- CN108620904B CN108620904B CN201710174109.0A CN201710174109A CN108620904B CN 108620904 B CN108620904 B CN 108620904B CN 201710174109 A CN201710174109 A CN 201710174109A CN 108620904 B CN108620904 B CN 108620904B
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- torsion bar
- fixed
- base
- fixing
- support
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- 238000003801 milling Methods 0.000 title claims abstract description 20
- 238000003825 pressing Methods 0.000 claims abstract description 39
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000003754 machining Methods 0.000 abstract description 7
- 206010044048 Tooth missing Diseases 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention provides a novel combined clamp for milling a plane at the tail part of an arm of force of an automobile torsion bar, which comprises a base, a support column, a mandrel, a pressing plate, a pressing block, a fixed block and a fixed plate, wherein the fixed block comprises a fixed block I, a fixed block II and a fixed block III; two ends of the mandrel are respectively arranged in U-shaped positioning grooves on the first fixed block and the second fixed block, and an inner hole of a torsion bar force arm penetrates through the mandrel; the fixed plate is at least one, and is fixed on the base, and vertical direction distance is adjustable, and fixed block three is fixed on the fixed plate, it has T type groove to be located fixed block one/fixed block two and fixed plate centre on the base, and the pillar includes pillar one and pillar two, and pillar one and pillar two bottom all are equipped with the locating key, and the pillar wears in base T type inslot through bottom locating key, can remove in base T type inslot to the accessible mounting is fixed in base T type inslot, and open on pillar one and pillar two upper portion opposite flank has the location notch, and the clamp plate is placed between pillar one and pillar two, and the clamp plate both ends are equipped with the face of ladder shape and are placed in pillar one and pillar two location notch respectively, and milling process is pressed the torsion bar arm on the base through anchor clamps, has effectively improved machining precision to clamping a plurality of torsion bar arms can mill simultaneously, has effectively improved machining efficiency, has reduced manufacturing cost.
Description
Technical Field
The invention relates to the field of manufacturing of automobile parts and accessories, in particular to milling of a torsion bar arm tail plane for overturning an automobile cab.
Background
The important parts of the middle-sized truck cab turnover mechanism are a torsion bar spring and a torsion bar force arm, the turnover angle of the cab is mainly determined by the relative installation angle of the torsion bar spring and the torsion bar force arm, and the relative installation angle of the torsion bar spring and the torsion bar force arm is determined by the tooth-missing angle and the relative position of the tail plane of the torsion bar force arm. In the prior art, the tail plane of the torsion bar force arm is machined, the tooth missing angle of the torsion bar force arm is pulled out by the broach by taking the tail plane as a positioning reference, and although the tooth missing angle is easier to control by a special clamp, the premise is that the milling of the tail plane is accurate. The elastic force of the torsion bar is the main power source for the cab to overturn, and the torsion bar moment arm is the main power transmitter for the cab to overturn, so that the quality of the torsion bar moment arm performance is directly related to the overturn performance of the cab.
The torsion bar moment arm is irregular in shape, and the geometric accuracy and the comprehensive performance of the torsion bar moment arm are greatly dependent on the machining process of the torsion bar moment arm. Because the torsion bar force arm is irregular in shape and is not suitable for machining on a numerical control machining center machine tool, no related combined fixture exists so far, milling machining can be performed only by repeated scribing, the machining precision and the machining efficiency are low, and the manufacturing cost is high. However, the production of automobile parts is a typical mass production mode, and the manufacturing cost becomes an important link considered by the manufacturers of the parts.
Disclosure of Invention
The invention provides a novel combined clamp for milling the tail plane of an arm of an automobile torsion bar aiming at the problems, and aims at: the milling precision and efficiency of the tail plane of the torsion bar arm of the automobile are improved, the manufacturing cost is reduced, and the produced torsion bar arm of the automobile is ensured to meet the actual overturning requirement of the cab.
The technical solution of the invention is as follows:
Novel sectional fixture of car torsion bar arm of force afterbody plane milling, its characterized in that: the combined clamp comprises a base, a support column, a mandrel, a pressing plate, a pressing block, a fixed block and a fixed plate, wherein the fixed block comprises a fixed block I, a fixed block II and a fixed block III; the first fixing block and the second fixing block are fixed on the side face of the base, the vertical direction and the horizontal direction of the first fixing block and the second fixing block are adjustable, U-shaped positioning grooves are formed in the upper parts of the first fixing block and the second fixing block, two ends of the mandrel are respectively placed in the U-shaped positioning grooves on the first fixing block and the second fixing block, and an inner hole of a torsion bar arm of force penetrates through the mandrel; the three fixing blocks are fixed on the fixing plate, slope locating grooves are formed in the upper parts of the three fixing blocks, and the tail parts of torsion bar force arms are placed in the slope locating grooves; the T-shaped groove is formed in the middle of the first fixing block/the second fixing block and the fixing plate on the base, the support comprises a first support and a second support, positioning keys are arranged at the bottoms of the first support and the second support, the support penetrates through the T-shaped groove of the base through the bottom positioning keys and can move in the T-shaped groove of the base, the support is fixed in the T-shaped groove of the base through a fixing piece, positioning notches are formed in opposite side surfaces of the upper parts of the first support and the second support, the pressing plate is placed between the first support and the second support, stepped surfaces are arranged at two ends of the pressing plate and are placed in the positioning notches of the first support and the second support respectively, threaded holes are formed in the pressing plate, bolts are arranged in the threaded holes, pressing blocks are placed at the bottoms of the bolts, and the pressing blocks are used for pressing torsion bar force arms.
Preferably, the vertical distance between the first fixed block and the second fixed block is adjusted by the height adjusting pad, and the horizontal distance is adjusted by the adjusting pad.
Preferably, the vertical distance of the fixing plate is adjusted through the base plate.
Preferably, the upper parts of the first fixing block and the second fixing block are provided with an inner U-shaped positioning groove and an outer U-shaped positioning groove, and the mandrel can be selectively placed in the inner U-shaped positioning groove or the outer U-shaped positioning groove according to the length of the torsion bar arm of force.
Preferably, the pressing blocks are of T-shaped structures, and each pressing block presses two torsion bar force arms.
Preferably, the first fixing block and the second fixing block are fixed on the side face of the base through bolts.
Preferably, the fixing plate is fixed on the base through an inner hexagon screw, and the fixing block III is fixed on the fixing plate through an inner hexagon screw.
Preferably, the fixing piece is a bolt for a T-shaped groove and a hexagon nut.
Preferably, the two groups of clamps are arranged, the first support column is two side support columns and is respectively positioned at two sides of the base, the second support column is a middle support column and is positioned between the two side support columns, and pressing plates are respectively arranged between the middle support column and the side support columns; similarly, the number of the first fixing blocks is two, the number of the second fixing blocks corresponds to the number of the two side support posts respectively, the number of the second fixing blocks corresponds to the number of the middle support posts respectively, mandrels are respectively arranged between the two first fixing blocks and the second fixing blocks, and the number of torsion bar force arms on the mandrels corresponds to the number of slope positioning grooves on the upper parts of the third fixing blocks.
More preferably, the number of the clamps is more than two, and the length of the base, the number of the support posts and the fixed blocks and the connecting structure between the support posts and the fixed blocks can be relatively adjusted.
The invention has the beneficial effects that:
According to the invention, the torsion bar force arms are pressed on the base through the clamp for milling, so that the processing precision is effectively improved, a plurality of torsion bar force arms can be milled at the same time after clamping, the processing efficiency is effectively improved, and the production cost is reduced.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention.
Fig. 2is a schematic diagram of the structure of the direction a in fig. 1.
Fig. 3 is a schematic diagram of the B-direction structure in fig. 1.
In the figure: 1. a taper pin; 2. a bolt; 3. a side pillar; 4. a middle support column; 5. a bolt; 6. a pressing plate; 7. briquetting; 8. a backing plate; 9. an inner hexagon screw; 10. a fixing plate; 11. a small fixed block; 12. t-shaped groove bolts; 13. a hexagonal nut; 14. torsion bar arm of force; 15. a height adjustment pad; 16. an adjustment pad; 17. a large fixed block; 18. a fixed block; 19. an inner hexagon screw; 20. a taper pin; 21. a mandrel; 22. and (5) a base.
Detailed Description
The present invention will be specifically described with reference to examples.
As shown in fig. 1 to 3, the novel combined clamp for milling the tail part plane of the arm of force of the automobile torsion bar comprises a taper pin 1, a bolt 2, a side support 3, a middle support 4, a bolt 5, a pressing plate 6, a pressing block 7, a base plate 8, an inner hexagonal screw 9, a fixing plate 10, a small fixing block 11, a bolt 12 for a T-shaped groove, a hexagonal nut 13, a height adjusting pad 15, an adjusting pad 16, a large fixing block 17, a fixing block 18, an inner hexagonal screw 19, a taper pin 20, a mandrel 21 and a base 22.
The big fixed block 17 and the fixed block 18 are fixed on the side surface of the base 22 through bolts 2, the distance in the vertical direction is adjusted through the height adjusting pad 15, the distance in the horizontal direction is adjusted through the adjusting pad 16, two U-shaped positioning grooves are formed in the upper parts of the big fixed block 17 and the fixed block 18, and T-shaped grooves are formed in the upper part of the base 22. The fixing plate 10 is fixed on the base 22 through the socket head cap screws 19, the vertical distance is adjusted through the base plate 8, the small fixing blocks 11 are fixed on the fixing plate 10 through the socket head cap screws 9, and a slope positioning groove is formed in the upper part of each small fixing block; the positioning keys at the bottoms of the side support posts 3 and the middle support posts 4 penetrate through the T-shaped grooves of the base and can move in the T-shaped grooves of the base, the positioning keys are fixed in the T-shaped grooves of the base through bolts 12 and hexagon nuts 13 of the T-shaped grooves, positioning notches are formed in the inner side surfaces of the side support posts 3, positioning notches are formed in the two side surfaces of the middle support posts 4, the pressing plate 6 is placed in the positioning notches in the side support posts 3 and the middle support posts 4, stepped surfaces are formed at the two ends of the pressing plate 6 and are placed in the positioning notches in the side support posts 3 and the middle support posts 4, threaded holes are formed in the pressing plate 6, bolts 5 are arranged in the threaded holes, pressing blocks 7 are placed at the lower parts of the bolts 5, when the torsion bar arms 14 are arranged below the pressing blocks 7, the pressing plates 6 move upwards when the upper surfaces at the two ends of the pressing plates 6 are contacted with the positioning notch surfaces in the side support posts 3 and the middle support posts 4, the pressing plates 5 continue to be screwed downwards, the torsion bar arms are pressed through the pressing blocks 7, and each pressing block presses two torsion bars.
The specific using process comprises the following steps:
firstly, a combined clamp maintainer fixes a large fixing block 17 and a fixing block 18 on the side surface of a base 22 through bolts 2 according to the size of a torsion bar force arm 14, the vertical distance is adjusted through a height adjusting pad 15, the horizontal distance is adjusted through an adjusting pad 16, and the combined clamp maintainer is installed into a taper pin 1 for positioning; the fixing plate 10 is fixed on the base 22 through the socket head cap screws 19, the vertical distance is adjusted through the base plate 8, the taper pins 20 are arranged for positioning, and the small fixing blocks 11 are fixed on the fixing plate 10 through the socket head cap screws 9.
Next, the sectional fixture maintainer inserts the positioning keys at the bottoms of the side pillars 3 and the middle pillar 4 into the T-shaped grooves of the base 22, moves the side pillars 3 and the middle pillar 4 into the T-shaped grooves of the base 22 to a proper position according to the relative positions of the small fixing block 11, the large fixing block 17 and the fixing block 18, and fixes the side pillars and the middle pillar into the T-shaped grooves of the base 22 by the bolts 12 and the hexagon nuts 13 for the T-shaped grooves.
And thirdly, the processor wears the inner holes of the torsion bar force arms 14 on the mandrels 21, six torsion bar force arms 14 are worn on each mandrel 21, two ends of the mandrel 21 are placed in the inner U-shaped positioning grooves or the outer U-shaped positioning grooves on the large fixing block 17 and the fixing block 18 according to the length of the torsion bar force arms 14, the tail part of the torsion bar force arms 14 is placed in the slope positioning groove on the upper part of the small fixing block 11, and the placement principle is that the tail part of the torsion bar force arms 14 to be processed is just in the middle of the slope positioning groove on the upper part of the small fixing block 11.
The pressing block 7 is placed in the middle of the torsion bar arm 14 and is opposite to the bottom surface of the bolt.
Finally, the processor tightens the bolt 5, the clamp plate 6 moves upwards, and when the upper surfaces of the two ends of the clamp plate 6 contact the locating notch surfaces inside the side support posts 3 and the middle support post 4, the clamp plate 6 stops moving, the bolt 5 continues to tighten downwards, the torsion bar force arm 14 is pressed by the pressing block 7, and therefore the torsion bar force arm 14 is pressed on the base 22, and milling processing is started. After the processing is completed, the torsion bar arm 14 of the workpiece is taken down, and scrap iron at all parts such as U-shaped positioning grooves of the large fixing block 17 and the fixing block 18, positioning groove openings of the side support posts 3 and the middle support posts 4, slope positioning grooves at the upper parts of the small fixing blocks 11 and the like are cleaned, so that the next processing is prepared.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (8)
1. Automobile torsion bar arm of force afterbody plane mills sectional fixture, its characterized in that: the combined clamp comprises a base, a support column, a mandrel, a pressing plate, a pressing block, a fixed block and a fixed plate, wherein the fixed block comprises a fixed block I, a fixed block II and a fixed block III; the first fixing block and the second fixing block are fixed on the side face of the base, the vertical direction and the horizontal direction of the first fixing block are adjustable, two U-shaped positioning grooves are formed in the upper parts of the first fixing block and the second fixing block, the mandrel can be selectively placed in the inner U-shaped positioning grooves or the outer U-shaped positioning grooves according to the length of a torsion bar force arm, and an inner hole of the torsion bar force arm penetrates through the mandrel; the three fixing blocks are fixed on the fixing plate, slope locating grooves are formed in the upper parts of the three fixing blocks, and the tail parts of torsion bar force arms are placed in the slope locating grooves; the T-shaped groove is formed in the middle of the first fixing block/the second fixing block and the fixing plate on the base, the support comprises a first support and a second support, positioning keys are arranged at the bottoms of the first support and the second support, the support penetrates through the T-shaped groove of the base through the bottom positioning keys and can move in the T-shaped groove of the base, the support can be fixed in the T-shaped groove of the base through a fixing piece, positioning notches are formed in opposite side surfaces of the upper parts of the first support and the second support, the pressing plate is placed between the first support and the second support, stepped surfaces are arranged at two ends of the pressing plate and are placed in the positioning notches of the first support and the second support respectively, threaded holes are formed in the pressing plate, bolts are arranged in the threaded holes, pressing blocks are placed at the bottoms of the bolts, and the pressing blocks are used for pressing torsion bar arms; the clamp is provided with two groups of first struts, two side struts are respectively arranged on two sides of the base, the second struts are middle struts and are arranged between the two side struts, and pressing plates are respectively arranged between the middle struts and the side struts; similarly, the number of the first fixing blocks is two, the number of the second fixing blocks corresponds to the number of the two side support posts respectively, the number of the second fixing blocks corresponds to the number of the middle support posts respectively, mandrels are respectively arranged between the two first fixing blocks and the second fixing blocks, and the number of torsion bar force arms on the mandrels corresponds to the number of slope positioning grooves on the upper parts of the third fixing blocks.
2. The automotive torsion bar arm tail plane milling combination fixture of claim 1, wherein: the first fixing block and the second fixing block are fixed on the side face of the base through bolts.
3. The automotive torsion bar arm tail plane milling combination fixture of claim 2, wherein: the distance between the first fixed block and the second fixed block in the vertical direction is adjusted through the height adjusting pad, and the distance between the first fixed block and the second fixed block in the horizontal direction is adjusted through the adjusting pad.
4. The automotive torsion bar arm tail plane milling combination fixture of claim 1, wherein: the distance between the fixing plates in the vertical direction is adjusted through the base plate.
5. The automotive torsion bar arm tail plane milling combination fixture of claim 1, wherein: the pressing blocks are of T-shaped structures, and each pressing block presses two torsion bar force arms.
6. The automotive torsion bar arm of force tail plane milling combination fixture of claim 4, wherein: the fixing plate is fixed on the base through an inner hexagon screw, and the fixing block III is fixed on the fixing plate through an inner hexagon screw.
7. The automotive torsion bar arm tail plane milling combination fixture of claim 1, wherein: the fixing piece is a bolt and a hexagonal nut for a T-shaped groove.
8. The automotive torsion bar arm tail plane milling combination fixture of claim 1, wherein: the fixture is more than two groups, and the length of the base, the number of the support posts and the fixed blocks and the connecting structure between the support posts and the fixed blocks are relatively adjusted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710174109.0A CN108620904B (en) | 2017-03-22 | 2017-03-22 | Novel combined clamp for milling tail plane of torsion bar arm of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710174109.0A CN108620904B (en) | 2017-03-22 | 2017-03-22 | Novel combined clamp for milling tail plane of torsion bar arm of automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108620904A CN108620904A (en) | 2018-10-09 |
| CN108620904B true CN108620904B (en) | 2024-05-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710174109.0A Active CN108620904B (en) | 2017-03-22 | 2017-03-22 | Novel combined clamp for milling tail plane of torsion bar arm of automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108620904B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006305705A (en) * | 2005-05-02 | 2006-11-09 | Mitsubishi Electric Corp | Machining jig |
| KR20100099924A (en) * | 2009-03-04 | 2010-09-15 | 성진기업(주) | Clamping jig of work piece |
| CN201856104U (en) * | 2010-09-09 | 2011-06-08 | 宁波润轴汽配有限公司 | Hydraulic clamping device for milling head of torsion bar |
| CN204262843U (en) * | 2014-11-24 | 2015-04-15 | 上海奥林汽车安全系统有限公司 | A kind of milling clamper for milling profile |
| CN204487208U (en) * | 2015-03-16 | 2015-07-22 | 徐州工业职业技术学院 | For processing the fraise jig of bow groove |
| EP3042737A1 (en) * | 2015-01-12 | 2016-07-13 | Siemens Aktiengesellschaft | Method for the assembly of rotor blades on a rotor disc and tensioning device for carrying out such a method |
| CN105945598A (en) * | 2016-05-20 | 2016-09-21 | 陕西法士特齿轮有限责任公司 | Vertical planet carrier machining center clamp |
| CN206588641U (en) * | 2017-03-22 | 2017-10-27 | 江苏省宿迁市方圆机械有限公司 | Automobile torsion bar arm of force tail plane milling novel compositions fixture |
-
2017
- 2017-03-22 CN CN201710174109.0A patent/CN108620904B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006305705A (en) * | 2005-05-02 | 2006-11-09 | Mitsubishi Electric Corp | Machining jig |
| KR20100099924A (en) * | 2009-03-04 | 2010-09-15 | 성진기업(주) | Clamping jig of work piece |
| CN201856104U (en) * | 2010-09-09 | 2011-06-08 | 宁波润轴汽配有限公司 | Hydraulic clamping device for milling head of torsion bar |
| CN204262843U (en) * | 2014-11-24 | 2015-04-15 | 上海奥林汽车安全系统有限公司 | A kind of milling clamper for milling profile |
| EP3042737A1 (en) * | 2015-01-12 | 2016-07-13 | Siemens Aktiengesellschaft | Method for the assembly of rotor blades on a rotor disc and tensioning device for carrying out such a method |
| CN204487208U (en) * | 2015-03-16 | 2015-07-22 | 徐州工业职业技术学院 | For processing the fraise jig of bow groove |
| CN105945598A (en) * | 2016-05-20 | 2016-09-21 | 陕西法士特齿轮有限责任公司 | Vertical planet carrier machining center clamp |
| CN206588641U (en) * | 2017-03-22 | 2017-10-27 | 江苏省宿迁市方圆机械有限公司 | Automobile torsion bar arm of force tail plane milling novel compositions fixture |
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| Publication number | Publication date |
|---|---|
| CN108620904A (en) | 2018-10-09 |
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