CN206527361U - A kind of brill of heavy truck front axle attacks fixture - Google Patents
A kind of brill of heavy truck front axle attacks fixture Download PDFInfo
- Publication number
- CN206527361U CN206527361U CN201720185732.1U CN201720185732U CN206527361U CN 206527361 U CN206527361 U CN 206527361U CN 201720185732 U CN201720185732 U CN 201720185732U CN 206527361 U CN206527361 U CN 206527361U
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- front axle
- heavy truck
- shaft
- truck front
- brill
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Abstract
Fixture is attacked the utility model discloses a kind of brill of heavy truck front axle, described brill, which attacks fixture, to be included being provided with centering component, positioning component and lift assemblies on bottom plate, bottom plate；Described centering component includes centering oil cylinder, the shaft end of centering oil cylinder is connected with the link gear for exporting two linkage power, two clutch ends of link gear are respectively connected with rocking arm depression bar, and the other end of rocking arm depression bar is connected with the V-arrangement gripping block for clamping heavy truck front axle shaft end；Described positioning component is provided with two groups, including the supporter being arranged on bottom plate, supporter top is provided with the holding tank for accommodating heavy truck front axle, the supporting screw for supporting heavy truck front axle is provided with holding tank, locating shaft is provided with the two side of holding tank, and driving locating shaft stretches out the locating shaft cylinder of the side wall of holding tank and the leaf spring face positioning to heavy truck front axle.Brill of the present utility model attacks fixture, and locating speed is fast, clamping is reliable, operation is light.
Description
Technical field
The utility model belongs to auto parts and components processing technique field, and in particular to a kind of brill of heavy truck front axle attacks fixture.
Background technology
For it is a be used for heavy type transport vehicle and engineering front axle main component --- " front axle ", the processing of its plate spring face hole system,
Existing processing mode experienced line processing, the processing of plain radial drill chuck template jig, vertical machining centre finish-milling leaf spring face,
The modes such as drilling and tapping, these processing mode work efficiency are low, and drill jig positioning precision is poor, and labor strength is big, and due to front axle
Forging overall length scope fluctuation ratio is larger (general front shaft forging of automobile overall length become dynamic deviation into 5-12 millimeters), this result in line,
Clamp plate type drill jig is difficult in adapt to the change of overall length, and it is asymmetric existing with front axle center that the front axle after processing has plate spring face hole system
As, ultimately result in after the stub hole machined of two ends, wall thickness is inconsistent, the obvious bad phenomenon of left and right great disparity, this for front axle by
Power, life-span, security are all a great hidden danger, while heavy truck automobile front axle has plurality of specifications, appearance and size is more close,
Existing fixture can not the regular heavy truck front axle of the different sizes of clamping.
Utility model content
The purpose of this utility model is：Attacked for problems of the prior art there is provided a kind of brill of heavy truck front axle
Fixture, can adapt to the various heavy truck front axle of specification, and locating speed is fast, clamping reliable, it is light to operate.
To achieve these goals, the technical solution adopted in the utility model is：
A kind of brill of heavy truck front axle attacks fixture, and described heavy truck front axle includes the leaf spring face for installing leaf spring, and two groups of use
In the leaf spring hole system for installing leaf spring；
Described brill, which attacks fixture, to be included being provided with centering component, positioning component and lift assemblies on bottom plate, bottom plate；
Described centering component includes centering oil cylinder, and the shaft end of centering oil cylinder is connected with the connection for exporting two linkage power
Motivation structure, two clutch ends of link gear are respectively connected with rocking arm depression bar, and the other end of rocking arm depression bar is connected with for pressing from both sides
The V-arrangement gripping block of prudent card front axle shaft end；
Described positioning component is provided with two groups, including the supporter being arranged on bottom plate, and supporter top is provided with appearance
Receive the holding tank of heavy truck front axle, be provided with holding tank on the supporting screw for supporting heavy truck front axle, the two side of holding tank
Locating shaft is provided with, and driving locating shaft stretches out the locating shaft of the side wall of holding tank and the leaf spring face positioning to heavy truck front axle
Cylinder；
Described lift assemblies, which include being arranged on below the lift members for accommodating trench bottom, lift members, to be provided with and lifts
The lifting inclined shaft that component inclined-plane coordinates, lifting inclined shaft is connected with elevating ram.
Preferably, described link gear includes the active rack being connected with the shaft end for oil cylinder of feeling relieved, the engagement of active rack
Sprocket drive spindle is connected, gear shaft is engaged respectively is connected with a pair of driven racks, and driven rack is connected with the first pull bar, the first pull bar
Second pull bar, the described rocking arm depression bar of the second pull bar connection are connected with by positive and negative nut.
Preferably, described centering component also includes setting between a pair of supporting plates for being used to support rocking arm depression bar, supporting plate
Be equipped with the positioning rotating shaft for being arranged rocking arm depression bar, described rocking arm depression bar and be provided with correcting plate, correcting plate be arranged on supporting plate it
Between.
Preferably, it is provided with stretching screw, stretching screw and is arranged with positioned at supporting plate between two described supporting plates
Inwall between spacer sleeve.
Preferably, described positioning component also includes setting the studdle on the wall of holding tank side side, and is arranged on
Side top gas cylinder on the wall of holding tank opposite side side, the shaft end of side top gas cylinder is connected with coordinates horizontal to heavy truck front axle with studdle
The clamp shaft of positioning.
Preferably, described lift members include lifting screw, and the fixed lifting axis for lifting screw, and lifting axis are set
In supporter, the lower end of lifting axis is ramp structure, is inclined-plane fit structure with lifting inclined shaft, and lifting axis are with lifting inclined shaft
It is chimeric using dovetail groove.
Preferably, the both sides of described supporter are provided with the protection for being enclosed on outside lifting inclined shaft and being oriented to lifting inclined shaft
Set.
Preferably, described positioning component sets the lower section with the leaf spring hole system machining position of heavy truck front axle.
By adopting the above-described technical solution, the beneficial effects of the utility model are：
The boring grab of heavy truck front axle of the present utility model, by being provided with centering component, can feel relieved cylinder action when,
Driving is arranged on the V-arrangement gripping block at whole fixture two ends to middle shrinkage, due to moving left and right apart from equal, and front axle just can be by
The center of fixture is scheduled on, centering is realized；By the effect of positioning component and lift assemblies, front axle is limited in four locating shafts
In the plane that lower plane is constituted, complete to fix the clamping of fixture；The utility model can using pneumatic quick positioning and hydraulic pressure
By clamping, light, adjustment simple, intuitive is operated, and no longer needs finish-milling leaf spring face to ensure that drilling is vertical with leaf spring face, plus
Very well, fixture assembly quantity is seldom, low manufacture cost, it is only necessary to change a small amount of part and journey for work dimensional accuracy and dimensional uniformity
Sequence cutter is changed, you can realize the production and processing of many specifications of multi items.
Brief description of the drawings
Fig. 1 is the front sectional view of boring grab of the present utility model.
Fig. 2 is the top view of boring grab of the present utility model.
Fig. 3 is Fig. 1 L direction views.
Fig. 4 is Fig. 2 K direction views.
Fig. 5 is Fig. 4 A-A sectional views.
Fig. 6 is Fig. 4 B-B sectional views.
Fig. 7 is Fig. 2 C-C sectional drawings.
Reference：1-V shape gripping blocks, 2- rocking arm depression bars, 3- supporting plates, 4- supporters, 5- supporting screws, 6- lifting spiral shells
Nail, 7- lifting axis, 8- lifting inclined shafts, 9- protective jackets, the driven racks of 10-, 11- elevating rams, the pull bars of 12- second, the positive and negative spiral shells of 13-
Mother, the pull bars of 14- first, 15- bottom plates, 16- active racks, 17- sides top gas cylinder, 18- stretching screws, 19- spacer sleeves, 20- supports
Screw rod, 21- locating shaft cylinders, 22- centering oil cylinders, 23- positioning rotating shafts, 24- heavy truck front axles, 25- correcting plates, 26- locating shafts,
27- clamp shafts, 28- gear shafts.
Embodiment
A kind of reference picture 1-7, brill of heavy truck front axle of the present utility model attacks fixture, and described heavy truck front axle 24 includes installing
The leaf spring face of leaf spring, attacks fixture by after the fixation of the clamping of heavy truck front axle 24 by brill of the present utility model, is processed on leaf spring face
Chain is connected to the hole system of leaf spring.
Brill, which attacks fixture, to be included being provided with centering component, positioning component and lift assemblies on bottom plate 15, bottom plate 15, passes through centering
Component, positioning component and lift assemblies are that the clamping that counterweight card front axle 24 can be achieved is fixed, and usual bottom plate 15 is fixedly mounted at
On the workbench of lathe.
Component of feeling relieved includes centering oil cylinder 22, and the shaft end of centering oil cylinder 22 is connected with the linkage for the power that linked for output two
Mechanism, two clutch ends of link gear are respectively connected with rocking arm depression bar 2, and the other end of rocking arm depression bar 2 is connected with for pressing from both sides
The V-arrangement gripping block 1 of the prudent shaft end of card front axle 24.Wherein, link gear includes the driving tooth being connected with the shaft end for oil cylinder 22 of feeling relieved
Bar 16, the engagement connection sprocket drive spindle 28 of active rack 16, gear shaft 28 is engaged respectively is connected with a pair of driven racks 10, driven tooth
Bar 10 is connected with the first pull bar 14, and the first pull bar 14 is connected with the second pull bar 12 by positive and negative nut 13, and the second pull bar 12 is connected
Described rocking arm depression bar 2.By the both sides V-arrangement gripping block 1 of component of feeling relieved to middle shrinkage, you can to the two ends of heavy truck front axle 24
Clamping is formed, because due to moving left and right apart from equal, front axle can just be set at the center of fixture, centering is realized.
Centering component also includes being provided with to be arranged between a pair of the supporting plates 3 for being used to support rocking arm depression bar 2, supporting plate 3 shaking
Be provided with correcting plate 25 on the positioning rotating shaft 23 of arm depression bar 2, described rocking arm depression bar 2, correcting plate 25 be arranged on supporting plate 3 it
Between.It is provided with stretching screw 18, stretching screw 18 and is arranged between the inwall of supporting plate 3 between two supporting plates 3
Spacer sleeve 19.
Positioning component is provided with two groups, including the supporter 4 being arranged on bottom plate 15, and the top of supporter 4 is provided with receiving
The supporting screw 5 for supporting heavy truck front axle 24, the both sides of holding tank are provided with the holding tank of heavy truck front axle 24, holding tank
Locating shaft 26 is provided with wall, and driving locating shaft 26 stretches out the side wall of holding tank and the leaf spring face of heavy truck front axle 24 is determined
The locating shaft cylinder 21 of position.
Positioning component also includes setting the studdle 20 on the wall of holding tank side side, and is arranged on holding tank opposite side
Side top gas cylinder 17 on the wall of side, the shaft end of side top gas cylinder 17 is connected with to be coordinated to the located lateral of heavy truck front axle 24 with studdle 20
Clamp shaft 27.
Positioning component sets the lower section with the leaf spring hole system machining position of heavy truck front axle 24 so that the strong point is arranged on processing hole
There is provided enough support forces for the position of system.
Lift assemblies include being arranged on the lift members for accommodating trench bottom, and lift members lower section is provided with oblique with lift members
The lifting inclined shaft 8 that face coordinates, lifting inclined shaft 8 is connected with elevating ram 11.Wherein, lift members include lifting screw 6, Yi Jigu
Surely the lifting axis 7 of screw 6 are lifted, lifting axis 7 are arranged in supporter 4, the lower end of lifting axis 7 is ramp structure, oblique with lifting
Axle 8 is inclined-plane fit structure, and lifting axis 7 are chimeric using dovetail groove with lifting inclined shaft 8.
The both sides of supporter 4 are provided with the protective jacket 9 for being enclosed on outside lifting inclined shaft 8 and being oriented to lifting inclined shaft 8.
Brill of the present utility model attacks fixture, and set-up procedure includes before processing：
A. the overall inspection after the completion of fixture composition：, should be flexibly without jam when each oil cylinder, cylinder do motion of retreating, no leakage
Oily phenomenon, each cylinder operation is normal, no gas leak phenomenon.Fit clearance between each mobile member is not more than 0.07mm；Rocking arm for pressing
Bar 2 is in oscillating motion, and correcting plate 25 is passed in and out between left-and-right supporting plate 3 should be flexibly without jam, and shaking rocking arm depression bar 2 should be without obvious
Gap is felt, and clearance gauge checks that the gap between correcting plate 25 and supporting plate 3 cannot be greater than 0.1mm.
B. sufficient lubrication is answered by travel mechanism, should ensure that the lubricating grease of abundance is carried out between every part for having a relative motion
Lubrication.
C. the positive and negative nut 13 of the left and right sides is adjusted, when making rocking arm depression bar 2 and the clamping heavy truck front axle 24 of V-arrangement gripping block 1, two
The swing angle on side is basically identical.After adjusting, the holding screw locking set on positive and negative nut 13 is tightened.
Brill, which attacks principle and clamping step, to be included：
D. the heavy truck front axle 24 for needing to process is positioned in fixture, with the back support of leaf spring face on supporting screw 5,
Press " positioning " button of control locating shaft cylinder 21 so that four locating shaft cylinders 21 drive locating shaft 26 to be inserted into plate respectively
The top in spring face, is checked the gap between locating shaft 26 and leaf spring face, is advisable with 2-3 millimeters, by being pre-adjusted supporting screw 5
To ensure this gap.Meanwhile, regulation lifting screw 6 so that gap of the lifting top of screw 6 between the bottom of heavy truck front axle 24
For 2-3 millimeters, then lifting screw 6 and lifting axis 7 are locked relatively.
E. ensure that studdle 20 is in and exit state, press " centering " button, centering oil cylinder 22 is pushed ahead, driving master
Moving gear is moved, when active rack 16 is moved, and drive is rotated with the meshed gears axle 28 of active rack 16, and gear shaft 28 is rotated
When, then drive the two driven racks 10 engaged with gear shaft 28 to move, when driven rack 10 is moved, you can drive first successively
Pull bar 14, positive and negative nut 13, the second pull bar 12 are moved, and the second pull bar 12 finally drives rocking arm depression bar 2 to swing again, rocking arm depression bar 2
V-arrangement gripping block 1 is driven to clamp heavy truck front axle 24 during swing.Because the distance moved left and right is equal, heavy truck front axle 24 is then automatic
It is centered in the center of fixture.
F. " jack-up " button is pressed, two elevating rams 11 are respectively mobile to centre, driving lifting inclined shaft 8 is laterally moved
Dynamic, the inclined-plane of lifting inclined shaft 8 and lifting axis 7 coordinates, and lifting inclined shaft 8 then holds up lifting axis 7 while movement, and then will lifting
Screw 6 is held up, and is held up heavy truck front axle 24 by lifting screw 6, when the leaf spring face of heavy truck front axle 24 touch locating shaft 26 it
Afterwards, lifting mechanism keeps lifting state not in action, and leaf spring face is positioned in one be made up of the lower plane of four locating shafts 26
On individual horizontal plane.
G. " centering is unclamped " button is pressed, the V-arrangement gripping block 1 at fixture two is relaxed, it is then again at once " fixed again
The heart " is clamped, and can so be eliminated and the 2-3 millimeters of raising direction are there may be between lift assemblies be interfered.
H. the studdle 20 of the both sides of supporter 4 is screwed into, touches and stop tightening behind the side of heavy truck front axle 24, press
" side chain is tight " button, the drive clamp shaft 27 of driving side top gas cylinder 17 withstands on the opposite side side of heavy truck front axle 24, in studdle
20 with the collective effect of clamp shaft 27, the horizontal clamping of heavy truck front axle 24 being fixed, prevents from being likely to occur transverse direction in boring procedure
Conjugate, shake, hindering the generation of the events such as knife.
I. bored in the location point of two center hole of plate spring surface, check whether the symmetry with blank length direction (occupies
In), it is such as improper, program relative coordinate is changed, or program coordinate value is directly changed, untill symmetry is qualified.
So far, mounting and adjusting has been completed, can startup program carry out examination processing, generally：Drill and ream leaf spring mesopore, mesopore falls
Angle, high speed drill leaf spring face octal (U-bolts via), high speed drill leaf spring face thread Pilot hole, spiral shell orifice chamfer, tapping.
Centering component in the utility model, directly drives main rack using centering oil cylinder 22, is then driven by main rack
Movable gear shaft 28, then two driven racks 10 are driven simultaneously, a power is divided into Liang Ge branches power so as to realize, it is final next
Realize that two V-arrangement gripping blocks 1 are acted simultaneously, and the swing angle of V-arrangement gripping block 1 is set in roughly the same position, it is ensured that in folder
During tight heavy truck front axle 24, self-centering can be realized.
In rocking arm depression bar 2 rotated on positioning rotating shaft 23 between a pair of supporting plates 3 in the utility model, set simultaneously
Rocking arm depression bar 2 is limited between two supporting plates 3 by correcting plate 25, it is ensured that V-arrangement gripping block 1 is in center position all the time, no
Skew occurs.
Claims (8)
1. a kind of brill of heavy truck front axle attacks fixture, it is characterised in that
Described heavy truck front axle (24) includes the leaf spring face for installing leaf spring；
Described brill, which attacks fixture, to be included being provided with centering component, positioning component and lift assemblies on bottom plate (15), bottom plate (15)；
Described centering component includes centering oil cylinder (22), and the shaft end of centering oil cylinder (22) is connected with for exporting two linkage power
Link gear, two clutch ends of link gear are respectively connected with rocking arm depression bar (2), and the other end of rocking arm depression bar (2) connects
It is connected to the V-arrangement gripping block (1) for clamping heavy truck front axle (24) shaft end；
Described positioning component is provided with two groups, including the supporter (4) being arranged on bottom plate (15), and supporter (4) top is set
The supporting screw (5) being provided with the holding tank for accommodating heavy truck front axle (24), holding tank for supporting heavy truck front axle (24) is equipped with,
Locating shaft (26) is provided with the two side of holding tank, and driving locating shaft (26) stretches out the side wall of holding tank and to heavy truck
The locating shaft cylinder (21) of the leaf spring face positioning of front axle (24)；
Described lift assemblies, which include being arranged on below the lift members for accommodating trench bottom, lift members, to be provided with and lift members
The lifting inclined shaft (8) that inclined-plane coordinates, lifting inclined shaft (8) is connected with elevating ram (11).
2. brill according to claim 1 attacks fixture, it is characterised in that
Described link gear includes the active rack (16) being connected with the shaft end of centering oil cylinder (22), active rack (16) engagement
Sprocket drive spindle (28) is connected, gear shaft (28) is engaged respectively is connected with a pair of driven racks (10), and driven rack (10) is connected with
First pull bar (14), the first pull bar (14) is connected with the second pull bar (12), the second pull bar (12) connection by positive and negative nut (13)
Described rocking arm depression bar (2).
3. brill according to claim 1 attacks fixture, it is characterised in that
Described centering component also includes setting between a pair of the supporting plates (3) for being used to support rocking arm depression bar (2), supporting plate (3)
Have and be provided with correcting plate (25), correcting plate on the positioning rotating shaft (23) for being arranged rocking arm depression bar (2), described rocking arm depression bar (2)
(25) it is arranged between supporting plate (3).
4. brill according to claim 3 attacks fixture, it is characterised in that
Stretching screw (18) is provided between two described supporting plates (3), stretching screw is arranged with positioned at supporting plate on (18)
(3) spacer sleeve (19) between inwall.
5. brill according to claim 1 attacks fixture, it is characterised in that
Described positioning component also includes setting the studdle (20) on the wall of holding tank side side, and to be arranged on holding tank another
Side top gas cylinder (17) on the wall of side side, the shaft end of side top gas cylinder (17) is connected with to be coordinated to heavy truck front axle with studdle (20)
(24) clamp shaft (27) of located lateral.
6. brill according to claim 1 attacks fixture, it is characterised in that
Described lift members include lifting screw (6), and the fixed lifting axis (7) for lifting screw (6), and lifting axis (7) are set
Put in supporter (4), the lower end of lifting axis (7) is ramp structure, is inclined-plane fit structure with lifting inclined shaft (8), and lift
Axle (7) is chimeric using dovetail groove with lifting inclined shaft (8).
7. brill according to claim 1 attacks fixture, it is characterised in that
The both sides of described supporter (4), which are provided with, is enclosed on the protection that lifting inclined shaft (8) is oriented to outside and to lifting inclined shaft (8)
Cover (9).
8. brill according to claim 1 attacks fixture, it is characterised in that
Described positioning component sets the lower section with the leaf spring hole system machining position of heavy truck front axle (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720185732.1U CN206527361U (en) | 2017-02-28 | 2017-02-28 | A kind of brill of heavy truck front axle attacks fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720185732.1U CN206527361U (en) | 2017-02-28 | 2017-02-28 | A kind of brill of heavy truck front axle attacks fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206527361U true CN206527361U (en) | 2017-09-29 |
Family
ID=59915061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720185732.1U Active CN206527361U (en) | 2017-02-28 | 2017-02-28 | A kind of brill of heavy truck front axle attacks fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206527361U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106735454A (en) * | 2017-02-28 | 2017-05-31 | 成都航行机械制造有限公司 | A kind of brill of heavy truck front axle attacks fixture |
| CN113843435A (en) * | 2021-09-09 | 2021-12-28 | 东风汽车底盘系统有限公司 | Clamp for drilling center hole in single leaf spring |
-
2017
- 2017-02-28 CN CN201720185732.1U patent/CN206527361U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106735454A (en) * | 2017-02-28 | 2017-05-31 | 成都航行机械制造有限公司 | A kind of brill of heavy truck front axle attacks fixture |
| CN113843435A (en) * | 2021-09-09 | 2021-12-28 | 东风汽车底盘系统有限公司 | Clamp for drilling center hole in single leaf spring |
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