CN108972084B - Steering bent arm clamp - Google Patents
Steering bent arm clamp Download PDFInfo
- Publication number
- CN108972084B CN108972084B CN201811068673.5A CN201811068673A CN108972084B CN 108972084 B CN108972084 B CN 108972084B CN 201811068673 A CN201811068673 A CN 201811068673A CN 108972084 B CN108972084 B CN 108972084B
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- Prior art keywords
- positioning
- clamping
- block
- rack
- steering
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- 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
- B23Q3/08—Work-clamping means other than mechanically-actuated
-
- 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
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/04—Work clamping means using fluid means or a vacuum
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Abstract
The invention discloses a steering knuckle arm clamp which comprises a base, a clamping mechanism, a first positioning mechanism, a second positioning mechanism and a control mechanism, wherein the clamping mechanism is arranged on the base; the clamping mechanism comprises an upper clamping block and a lower clamping block which are used for clamping a shaft neck of the steering bent arm; the first positioning mechanism comprises a clamping bulge, and the clamping bulge is matched with a boss on the steering bent arm; the second positioning mechanism comprises a clamping column and a positioning block, a positioning groove is formed in the positioning block, the center of the positioning groove is aligned with the center of the clamping column, a fist part of the steering bent arm is clamped in the positioning groove, and the clamping column is tightly pressed on one surface, deviating from the positioning block, of the fist part; the control mechanism is used for controlling the movement of the clamping mechanism, the first positioning mechanism and the second positioning mechanism. According to the steering knuckle clamp, the clamping mechanism, the first positioning mechanism and the second positioning mechanism are arranged, so that the steering knuckle is positioned, the stability of a fist part in the positioning process is ensured by arranging the positioning grooves, and the position accuracy of hole positions on the fist part is improved.
Description
Technical Field
The invention relates to a clamp, in particular to a steering bent arm clamp.
Background
The automobile steering bent arm is an important part of an automobile steering system, and the existing machining method for the steering bent arm generally comprises the steps of firstly milling a central hole and then utilizing the central hole for subsequent machining. Fig. 1 is a schematic structural diagram of a turning curved arm, as shown in fig. 1, the turning curved arm 10 includes a shaft journal 11, a boss 12 and a fist 13, before a center hole on the fist 13 is milled, a fixture is generally needed to be used for positioning, and the existing fixture generally adopts the outer contour of the boss 12 and the shaft journal 11 in the middle of the turning curved arm to position at present, and this positioning mode cannot position the fist 13 at the same time, so that the fist 13 is easily shaken in the positioning process, so that the hole on the fist 13 is deviated from the center of the boss 12 after processing, and the hole wall is uneven, thereby affecting the strength and quality of the fist 13.
Disclosure of Invention
The invention aims to provide a steering bent arm clamp, which aims to solve the problems in the prior art and improve the processing quality of a center hole of a fist part of a steering bent arm.
The invention provides a steering knuckle clamp, which comprises:
a base;
the clamping mechanism comprises an upper clamping block and a lower clamping block which are used for clamping a shaft neck of the steering bent arm;
the first positioning mechanism comprises a clamping bulge, and the clamping bulge is matched with a boss on the steering bent arm;
the second positioning mechanism comprises a clamping column and a positioning block, a positioning groove is formed in the positioning block, the center of the positioning groove is aligned with the center of the clamping column, a fist part of a steering bent arm is clamped in the positioning groove, and the clamping column is pressed on one surface, deviating from the positioning block, of the fist part;
the control mechanism is used for controlling the clamping mechanism, the first positioning mechanism and the second positioning mechanism to move.
The steering knuckle clamp as described above, wherein preferably the clamping mechanism comprises a first driving means, a first rack, a second rack, a gear, an upper press piece and a lower press piece;
the fixed end of the upper pressing block is fixedly connected with the driving part of the first driving device, and the upper clamping block is fixedly arranged on the clamping end of the upper pressing block;
the first rack is fixedly connected with a driving part of the first driving device;
the second rack is fixedly arranged on the lower pressing block, and the second rack is arranged opposite to the first rack;
the gear is simultaneously engaged with the first rack and the second rack.
The steering knuckle clamp as described above, wherein preferably the first positioning mechanism comprises a second driving device, a pressing plate and a supporting column;
one end of the pressure plate is connected with the driving part of the second driving device;
the clamping bulge is fixedly arranged at the other end of the pressure plate;
the axis of the supporting column coincides with the axis of the clamping bulge, and the supporting column abuts against the lower end face of the boss.
The steering knuckle arm clamp as described above, wherein preferably, the end surface of the supporting pillar is an arc surface, and the arc surface abuts against the edge of the hole on the boss.
The steering knuckle arm clamp as described above, wherein preferably, the second positioning mechanism further comprises a mounting seat and a positioning stud, the mounting seat is provided with a mounting protrusion, the positioning block is provided with a through hole, and the through hole is sleeved on the mounting protrusion;
a threaded hole is formed in the mounting boss, and the positioning stud penetrates through the through hole and is fixedly connected with the threaded hole;
and a limiting plate is arranged at the end part of the positioning stud and is in blocking connection with the bottom surface of the positioning groove.
The steering knuckle clamp as described above, preferably further comprising a first supporting mechanism, wherein the first supporting mechanism is fixedly disposed on the base, and a first groove is disposed on the first supporting mechanism and is used for supporting a portion of the steering knuckle between the fist portion and the boss.
The steering knuckle arm clamp as described above, preferably further comprises a second support mechanism, the second support mechanism is fixedly disposed on the base, and the second support mechanism is provided with a second groove for supporting a portion of the steering knuckle arm between the journal and the boss.
The steering knuckle clamp as described above, wherein the control mechanism is preferably a sequence valve.
According to the steering knuckle arm clamp, the clamping mechanism, the first positioning mechanism and the second positioning mechanism are arranged, so that the steering knuckle arm is positioned, and the stability of clamping and positioning is ensured; simultaneously, through setting up the constant head tank, guaranteed the stability of fist portion in the location process, prevented the shake of fist portion to realized the accurate positioning to trompil position on the fist portion, improved the position accuracy of hole site on the fist portion from this, guaranteed to turn to subsequent processingquality of curved boom.
Drawings
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
FIG. 1 is a schematic view of a steering knuckle;
FIG. 2 is a schematic structural diagram of a steering knuckle clamp according to an embodiment of the present invention;
FIG. 3 is a state diagram of the steering knuckle clamp according to the embodiment of the present invention in operation;
FIG. 4 is a schematic view of the internal structure of the clamping mechanism;
fig. 5 is an exploded view of the assembly of the locating block, locating stud and mounting block.
Description of reference numerals:
10-steering bent arm 11-journal 12-boss
13-fist part
100-clamping mechanism 110-upper pressing block 111-upper clamping block
120-lower pressing block 121-lower clamping block 130-first driving device
140-first rack 150-pinion 160-second rack
200-first positioning mechanism 210-pressure plate 211-clamping protrusion
220-support column 230-second driving device 300-second positioning mechanism
310-locating block 311-locating slot 320-clamping column
330-mounting seat 331-mounting projection 340-positioning stud
341-limiting plate 400-base 500-control mechanism
600-first support mechanism 700-second support mechanism
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative only and should not be construed as limiting the invention.
As shown in fig. 1 to 3, an embodiment of the present invention provides a steering knuckle boom clamp, which includes a base 400, a clamping mechanism 100, a first positioning mechanism 200, a second positioning mechanism 300, and a control mechanism 500; wherein the clamping mechanism 100 comprises an upper clamping block 111 and a lower clamping block 121 for clamping the journal 11 of the steering knuckle 10; the first positioning mechanism 200 includes a clamping protrusion 211, and the clamping protrusion 211 is engaged with the boss 12 of the steering knuckle arm 10; the second positioning mechanism 300 comprises a clamping column 320 and a positioning block 310, wherein the positioning block 310 is provided with a positioning groove 311, the center of the positioning groove 311 is aligned with the center of the clamping column 320, the fist part 13 of the steering bent arm 10 is clamped in the positioning groove 311, and the clamping column 320 is pressed on one surface, deviating from the positioning block 310, of the fist part 13; the control mechanism 500 is used for controlling the movement of the clamping mechanism 100, the first positioning mechanism 200 and the second positioning mechanism 300.
In the process of clamping the steering knuckle 10, the clamping mechanism 100 can be actuated to clamp the upper clamping block 111 and the lower clamping block 121 on the journal 11 of the steering knuckle 10 to achieve the pre-positioning of the steering knuckle 10, and then the first positioning mechanism 200 positions the boss 12 on the steering knuckle 10 to press the clamping protrusion 211 on the boss 12, and simultaneously the fist 13 is clamped in the positioning slot 311 of the positioning block 310 to press the clamping column 320 on the fist 13, thereby completing the clamping and positioning of the whole steering knuckle 10; wherein, through setting up constant head tank 311, guaranteed the stability of fist portion 13 in the positioning process, prevented the shake of fist portion 13, simultaneously, through setting up clamping column 320, realized the accurate positioning to trompil position on fist portion 13, improved the position accuracy of hole site on fist portion 13 from this, guaranteed to turn to the subsequent processingquality of curved boom 10.
The control mechanism 500 may be a sequence valve, the sequence valve is a standard hydraulic component, and the sequence valve may control the operation sequence of the clamping mechanism 100, the first positioning mechanism 200, and the second positioning mechanism 300, that is, the clamping mechanism 100 may be driven to operate first, and then the first positioning mechanism 200 and the second positioning mechanism 300 may be driven to move.
Further, as shown in fig. 4, the clamping mechanism 100 includes a first driving device 130, a first rack 140, a second rack 160, a gear 150, an upper pressing block 110, and a lower pressing block 120; the fixed end of the upper pressing block 110 is fixedly connected with the driving part of the first driving device 130, and the upper clamping block 111 is fixedly arranged on the clamping end of the upper pressing block 110; the first rack 140 is fixedly connected with the driving part of the first driving device 130; the second rack 160 is fixedly arranged on the lower pressing block 120, and the second rack 160 is arranged opposite to the first rack 140; the gear 150 is simultaneously engaged with the first rack 140 and the second rack 160. Wherein, the first driving device 130 may be an air cylinder, the driving part of the first driving device 130 may be a piston rod of the air cylinder, when the piston rod pushes the upper press block 110 to move downward, because the first rack 140 is connected with the piston rod, the first rack 140 may move synchronously with the piston rod, and because the position of the gear 150 is fixed, when the first rack 140 moves forward, the first rack 140 may drive the gear 150 to rotate counterclockwise (as shown in fig. 4), and because the gear 150 is engaged with the second rack 160, the gear 150 may convert its own rotational movement into a linear movement of the second rack 160, so that the second rack 160 moves upward, and the lower press block 120 moves upward, thereby implementing the press-fitting of the upper press block 110 and the lower press block 120, and implementing the press-fitting of the journal 11 of the steering knuckle 10.
Specifically, as shown in fig. 2 and 3, the first positioning mechanism 200 includes a second driving device 230, a pressing plate 210, and a supporting column 220; one end of the pressing plate 210 is connected with the driving part of the second driving device 230, the clamping protrusion 211 is fixedly arranged at the other end of the pressing plate 210, the axis of the supporting column 220 is overlapped with the axis of the clamping protrusion 211, and the supporting column 220 abuts against the lower end face of the boss 12. The second driving device 230 may be a rotary cylinder, the clamping protrusion 211 may be pressed against the upper end surface of the boss 12 by the driving of the rotary cylinder, and the supporting column 220 may be supported on the lower end surface of the boss 12, thereby ensuring the reliability of supporting and positioning the steering knuckle 10 by the cooperation of the clamping protrusion 211 and the supporting column 220. In addition, the clamping column 320 can also be rotated by a rotary cylinder to achieve a pressing action for the convenience of control.
Wherein, as shown in fig. 1 and fig. 3, it can be understood that a hole is provided on the boss 12 of the steering knuckle arm 10, in order to avoid the shaking after the boss 12 is positioned, the end surface of the support column 220 may be an arc surface, and the arc surface abuts against the edge of the hole on the boss 12, so that the force components in the horizontal direction and the vertical direction can be generated at the matching position of the arc surface and the hole on the boss 12, thereby providing the force constraint for the boss 12 in the vertical direction and the horizontal direction, and effectively preventing the shaking after the steering knuckle arm 10 is positioned.
As shown in fig. 2, 3 and 5, the second positioning mechanism 300 further includes an installation base 330 and a positioning stud 340, the installation base 330 is provided with an installation protrusion 331, the positioning block 310 is provided with a through hole, and the through hole is sleeved on the installation protrusion 331; a threaded hole is formed in the mounting boss 331, and the positioning stud 340 is fixedly connected with the threaded hole after penetrating through the through hole; the end of the positioning stud 340 is provided with a limit plate 341, and the limit plate 341 is in blocking contact with the bottom surface of the positioning groove 311. Therefore, the detachable connection between the positioning block 310 and the base 400 is realized, and when the precision of the positioning groove 311 on the positioning block 310 is reduced due to abrasion, the positioning groove can be detached and replaced at any time, so that the use is facilitated.
Further, as shown in fig. 2 and 3, since the distance of the portion of the steering knuckle 10 between the fist 13 and the boss 12 is long, in order to reduce the shaking of the portion during the clamping process, the steering knuckle clamp further includes a first support mechanism 600, the first support mechanism 600 is fixedly disposed on the base 400, and a first groove for supporting the portion of the steering knuckle 10 between the fist 13 and the boss 12 is disposed on the first support mechanism 600.
Further, the steering knuckle arm clamp may further include a second support mechanism 700, the second support mechanism 700 is fixedly disposed on the base 400, and a second groove is disposed on the second support mechanism 700 and is configured to support a portion of the steering knuckle arm 10 between the journal 11 and the boss 12. When the steering knuckle 10 is placed on the steering knuckle holder, pre-positioning can be performed by the second support mechanism 700, so that accurate positioning can be performed subsequently by the first positioning mechanism 200 and the second positioning mechanism 300.
According to the steering knuckle arm clamp provided by the embodiment of the invention, the clamping mechanism, the first positioning mechanism and the second positioning mechanism are arranged, so that the steering knuckle arm is positioned, and the stability of clamping and positioning is ensured; simultaneously, through setting up the constant head tank, guaranteed the stability of fist portion in the location process, prevented the shake of fist portion to realized the accurate positioning to trompil position on the fist portion, improved the position accuracy of hole site on the fist portion from this, guaranteed to turn to subsequent processingquality of curved boom.
The construction, features and functions of the present invention are described in detail in the embodiments illustrated in the drawings, which are only preferred embodiments of the present invention, but the present invention is not limited by the drawings, and all equivalent embodiments modified or changed according to the idea of the present invention should fall within the protection scope of the present invention without departing from the spirit of the present invention covered by the description and the drawings.
Claims (3)
1. A steering knuckle arm clamp, comprising:
a base;
the clamping mechanism comprises an upper clamping block and a lower clamping block which are used for clamping a shaft neck of the steering bent arm so as to realize the pre-positioning of the steering bent arm;
the first positioning mechanism comprises a clamping bulge, and the clamping bulge is matched with a boss on the steering bent arm;
the second positioning mechanism comprises a clamping column and a positioning block, a positioning groove is formed in the positioning block, the center of the positioning groove is aligned with the center of the clamping column, a fist part of the steering bent arm is clamped in the positioning groove, and the clamping column is pressed on one surface, deviating from the positioning block, of the fist part to complete clamping and positioning of the whole steering bent arm;
the control mechanism is used for controlling the clamping mechanism, the first positioning mechanism and the second positioning mechanism to move;
the first positioning mechanism comprises a second driving device, a pressing plate and a supporting column;
one end of the pressure plate is connected with the driving part of the second driving device;
the clamping bulge is fixedly arranged at the other end of the pressure plate;
the axis of the supporting column is overlapped with the axis of the clamping bulge, and the supporting column abuts against the lower end face of the boss;
the end surface of the supporting column is an arc-shaped surface which abuts against the edge of the hole in the boss;
the clamping mechanism comprises a first driving device, a first rack, a second rack, a gear, an upper pressing block and a lower pressing block;
the fixed end of the upper pressing block is fixedly connected with the driving part of the first driving device, and the upper clamping block is fixedly arranged on the clamping end of the upper pressing block;
the first rack is fixedly connected with a driving part of the first driving device;
the second rack is fixedly arranged on the lower pressing block, and the second rack is arranged opposite to the first rack;
the gear is simultaneously meshed with the first rack and the second rack;
the second positioning mechanism further comprises a mounting seat and a positioning stud, wherein a mounting protrusion is arranged on the mounting seat, a through hole is formed in the positioning block, and the through hole is sleeved on the mounting protrusion;
a threaded hole is formed in the mounting boss, and the positioning stud penetrates through the through hole and is fixedly connected with the threaded hole;
a limiting plate is arranged at the end part of the positioning stud and is in blocking connection with the bottom surface of the positioning groove;
still include first supporting mechanism, first supporting mechanism is fixed to be set up on the base, be provided with first recess on the first supporting mechanism, first recess is used for supporting and is lieing in on turning to the curved arm fist portion with position between the boss.
2. The steering knuckle spindle attachment of claim 1 further comprising a second support mechanism fixedly disposed on the base, the second support mechanism having a second recess disposed therein for supporting a portion of the steering knuckle spindle between the axle journal and the boss.
3. The steering knuckle arm clamp of claim 1 wherein said control mechanism is a sequence valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811068673.5A CN108972084B (en) | 2018-09-13 | 2018-09-13 | Steering bent arm clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811068673.5A CN108972084B (en) | 2018-09-13 | 2018-09-13 | Steering bent arm clamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108972084A CN108972084A (en) | 2018-12-11 |
| CN108972084B true CN108972084B (en) | 2020-05-29 |
Family
ID=64545279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811068673.5A Active CN108972084B (en) | 2018-09-13 | 2018-09-13 | Steering bent arm clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108972084B (en) |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001150188A (en) * | 1999-11-30 | 2001-06-05 | Honda Motor Co Ltd | Clamp device for jig |
| CN101376201A (en) * | 2007-08-27 | 2009-03-04 | 庄添财 | Welding clamp of winding pipe assembly |
| CN202742079U (en) * | 2012-09-12 | 2013-02-20 | 烟台海歌机床有限公司 | Self-positioning device for machining of screw rod |
| CN103639944B (en) * | 2013-11-30 | 2015-10-14 | 芜湖通和汽车管路系统股份有限公司 | A kind of automobile pipeline support assembling clamping device |
| CN104723245A (en) * | 2013-11-30 | 2015-06-24 | 芜湖通和汽车管路系统有限公司 | Novel assembling and clamping device of automobile pipeline support |
| CN203936658U (en) * | 2014-06-10 | 2014-11-12 | 四平市方向机械有限公司 | Knuckle blank positioning fixture |
| CN105458798B (en) * | 2016-01-22 | 2017-12-22 | 南阳飞龙汽车零部件有限公司 | A kind of flexible core tire automatic positioning equipment |
| CN205817393U (en) * | 2016-06-16 | 2016-12-21 | 沈阳六和机械有限公司 | Mechanical chuck |
| CN107962333B (en) * | 2017-12-06 | 2019-09-03 | 株洲凯丰实业股份有限公司 | A kind of welding fixture of automotive suspension control arm |
| CN107971676B (en) * | 2017-12-06 | 2019-09-03 | 株洲凯丰实业股份有限公司 | A kind of weld clamp method of automotive suspension control arm |
| CN207807196U (en) * | 2017-12-20 | 2018-09-04 | 苏州臻嘉辰精密机械有限公司 | A kind of center hole machining clamp of knuckle |
-
2018
- 2018-09-13 CN CN201811068673.5A patent/CN108972084B/en active Active
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| Publication number | Publication date |
|---|---|
| CN108972084A (en) | 2018-12-11 |
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Address after: 230601 No. 99 Ziyun Road, Hefei Economic and Technological Development Zone, Anhui Province Applicant after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 No. 669 Shixin Road, Taohua Industrial Park, Hefei City, Anhui Province Applicant before: Anhui Jianghuai Automobile Group Limited by Share Ltd |
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