CN209632596U - It is a kind of for processing the turning attachment of wheel hub - Google Patents
It is a kind of for processing the turning attachment of wheel hub Download PDFInfo
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- CN209632596U CN209632596U CN201920339770.7U CN201920339770U CN209632596U CN 209632596 U CN209632596 U CN 209632596U CN 201920339770 U CN201920339770 U CN 201920339770U CN 209632596 U CN209632596 U CN 209632596U
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- pedestal
- support plate
- shell
- block
- balance weight
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Abstract
It is a kind of for processing the turning attachment of wheel hub, power collet (10) is mounted on pedestal (5) inside, and the block that is located by connecting (6) is mounted on power collet (10), and fan-shaped pawl (7) is mounted on the block that is located by connecting (6), briquetting (18) is mounted on pedestal (5), support plate I (16)；Shell (2) is mounted on the back chamber of pedestal (5) from the bottom up, force transmission shaft (4) passes through pedestal (5), transmission rod (3) is fixed in the groove of shell (2), support plate I (16) and support plate II (14) are individually positioned in the rear and front end of shell (2), balance weight (15) is fixed between support plate I (16) and support plate II (14) by two guide posts (17), spring (13) is placed in the groove in balance weight (15) and support plate II (14), and cover board (1) is fixedly mounted on the lower end of shell (2)；The utility model provides a kind of fixture for having centrifugal force compensation mechanism.
Description
Technical field
The utility model relates to turning attachments, more particularly to automotive hub jig for machining.
Background technique
Currently, general wheel hub processing technology requires to process by three sequences, a sequence and two sequences usually in vertical lathe or
It is completed on horizontal lathe, three sequences are completed by the vertical machining centre with the 4th axis, and three sequence fixtures do not follow main shaft together
The problem of rotation, also just there is no chucking power losses, and one or two sequence fixtures carry out movement rotation together with machine tool chief axis, with turning
Speed is higher and higher, and the centrifugal force of the retained part part on fixture can be increasing, and the chucking power for causing retained part to provide is small
The chucking power being capable of providing under stationary state, the stabilization of chucking power can be guaranteed by designing suitable centrifugal force compensation mechanism,
And then guarantee the safety of machining clamping.In addition, very big inertia can be generated if fixture quality is excessive, cause main shaft from
High speed causes very big pressure to lathe deceleration system, reduces the service life of deceleration mechanism to when shutting down.
Utility model content
The purpose of the utility model is to provide a kind of wheel hub lathe for machining fixtures for having centrifugal force compensation mechanism.
It is a kind of for processing the turning attachment of wheel hub, including cover board, shell, transmission rod, force transmission shaft, pedestal is located by connecting
Block, fan-shaped pawl, power collet, spring, support plate II, balance weight, support plate I, guide post, briquetting, joint bolt pass through pedestal
Couple installation with machine tool chief axis, power collet is mounted on base interior, and the block that is located by connecting is mounted on power collet, fan-shaped pawl peace
On the block that is located by connecting, briquetting is fixedly mounted on the base；
Centrifugal force compensation mechanism includes shell, transmission rod, force transmission shaft, spring, support plate II, balance weight, support plate I；Shell
Body is mounted on the back chamber of pedestal from the bottom up, and force transmission shaft passes through pedestal, and transmission rod is fixed in the groove of shell, support plate
I and support plate II be individually positioned in the rear and front end of shell, balance weight is fixed on support plate I and support plate by two guide posts
Between II, spring is placed in the groove on balance weight and support plate II, and cover board is fixedly mounted on the lower end of shell；
The back chamber of pedestal is set as open, and the pedestal on pedestal limits-block the centrifugal force compensation mechanism.
The block that is located by connecting be set as 6, fan-shaped pawl be set as 6；Protective ring is fixedly mounted on power collet and pedestal
Gap, O-ring I and O-ring II are mounted in the groove on protective ring.
Pedestal lower surface is evenly distributed with 6 pedestal reinforcing ribs, and 6 pedestal windows are evenly distributed on pedestal, and positioning connects
The block power transmission protrusion that is located by connecting on block is connect across pedestal window, and is entered inside housing groove, one end of transmission rod can be with
Block power transmission protrusion contacts with each other with being located by connecting, and each group of the base threaded bore on pedestal has 10.
The material of transmission rod and force transmission shaft uses 42CrMoV, and the sheathing material of balance weight uses No. 45 steel, inside filling lead
Material；Support plate I and II height of support plate are identical, and are clearance fit with enclosure interior short transverse, above and below balance weight
And move left and right freedom degree and limited, two guide posts keep balance weight only mobile in fixture radial direction.
In actual use, the utility model fixture is for clamping wheel hub inner rim, machining wheel hub front and outer rim, wheel
After hub is placed on fixture sector pawl, fan-shaped pawl with power collet in radial direction gradually to central reduction, until will take turns
Hub positions and steps up, and as the speed of mainshaft is higher and higher, the centrifugal force of fan-shaped pawl and the block that is located by connecting can be increasing, loss
Clamping force is more and more, and balance weight gives the centrifugal force compensation of loss to fan-shaped pawl and the block that is located by connecting by transmission rod at this time, protects
The stabilization of chucking power numerical value is demonstrate,proved.
The technical characteristics of the utility model and preferred feature in actual use, have structure simple, and maintenance is convenient,
The excessive disadvantage of conventional brace weight is overcome simultaneously, realizes light-weight design.
Detailed description of the invention
Hereinafter, the embodiments of the present invention are described in detail in conjunction with attached drawing.
Fig. 1 is that the utility model is a kind of for processing the turning attachment main view of wheel hub.
Fig. 2 is that the utility model is a kind of for processing the turning attachment top view of wheel hub.
Fig. 3 is that the utility model is a kind of for processing the tridimensional figure of the turning attachment of wheel hub.
Fig. 4 is the utility model centrifugal force compensation mechanism perspective view 1.
Fig. 5 is the utility model centrifugal force compensation mechanism perspective view 2.
Fig. 6 is the utility model centrifugal force compensation mechanism cross-sectional view.
Fig. 7 is that the utility model is the block perspective view that is located by connecting.
In figure: 1, cover board, 2, shell, 3, transmission rod, 4, force transmission shaft, 5, pedestal, 6, be located by connecting block, 7, fan-shaped pawl, 8, O
Type circle I, 9, O-ring II, 10, power collet, 11, protective ring, 12, joint bolt, 13, spring, 14, support plate II, 15, balance
Block, 16, support plate I, 17, guide post, 18, briquetting.
In addition, the local feature on several parts is as follows: 2-1, housing groove to describe clearly；5-1, pedestal limit, 5-
2, pedestal window, 5-3, pedestal reinforcing rib, 5-4, base threaded bore；6-1, be located by connecting block power transmission protrusion.
Specific embodiment
Embodiment 1
Specific embodiment of the present utility model is described in further detail with reference to the accompanying drawing.
It is a kind of for processing the turning attachment of wheel hub, including cover board 1, shell 2, transmission rod 3, force transmission shaft 4, pedestal 5, positioning
Link block 6, fan-shaped pawl 7, O-ring I 8, O-ring II 9, power collet 10, protective ring 11, joint bolt 12, spring 13, support plate
II 14, balance weight 15, support plate I 16, guide post 17, briquetting 18.
Joint bolt 12 passes through pedestal 5 and couples installation with machine tool chief axis, and power collet 10, which is threaded, is mounted on base
Inside seat 5, six blocks 6 that are located by connecting are threaded and are mounted on power collet 10, and six fan-shaped pawls 7 are threaded
It is separately mounted to be located by connecting on block 6, briquetting 18, which is threaded, to be fixedly mounted on pedestal 5, and protective ring 11 passes through screw thread
It is connected and fixed and is mounted on the gap of power collet 10 and pedestal 5, O-ring I 8 and O-ring II 9 are mounted on the groove on protective ring 11
Interior, shell 2 is threaded the back chamber for being mounted on pedestal 5 from the bottom up, and force transmission shaft 4 passes through pedestal 5, transmission rod 3 is installed
It is fixed in the groove of shell 2, support plate I 16 and support plate II 14 are individually positioned in the rear and front end of shell 2, and balance weight 15 is logical
It crosses two guide posts 17 to be fixed between support plate I 16 and support plate II 14, spring 13 is placed on balance weight 15 and support plate II
In groove on 14, cover board 1 is fixedly mounted on the lower end of shell 2 by screw attachment.
Preferably, the back chamber of pedestal 5 is alleviated many weight, had using Open architecture compared with conventional clamp pedestal
Beneficial to fixture lightweight；Pedestal limit 5-1 on pedestal 5 ensure that centrifugal force compensation mechanism will not be by excessive from structure
Centrifugal force is thrown away at the back chamber of pedestal 5, ensure that fixture integral installation is reliable and stable；There are six 5 lower surface of pedestal is uniformly distributed
Pedestal reinforcing rib 5-3 compensates for the loss of rigidity due to caused by light-weight design, guarantees that fixture integrally has for reinforcing rigidity
Standby enough rigidity；It is uniformly distributed on pedestal 5 there are six pedestal window 5-2, the block power transmission that is located by connecting being located by connecting on block 6 is convex
It plays 6-1 and passes through pedestal window 5-2, and enter inside housing groove 2-1, one end of transmission rod 3 can be passed with the block that is located by connecting
Power protrusion 6-1 contacts with each other, and each group of base threaded bore 5-4 on pedestal has 10, further ensures centrifugal force compensation machine
The safety of structure；The material of transmission rod 3 and force transmission shaft 4 uses 42CrMoV, it is ensured that has enough intensity；2 inner space of shell has
Limit, in order to guarantee that balance weight 15 reaches design weight, the sheathing material of balance weight 15 uses No. 45 steel, and lead material is filled in inside,
To increase total weight；Support plate I 16 and II 14 height of support plate are identical, and are clearance fit with 2 internal height direction of shell, will
It balance weight 15 upper and lower and move left and right freedom degree and is limited, make balance weight 15 can only be in fixture by two guide posts 17
Radial direction is mobile, and this mount scheme makes when centrifugal force compensation mechanism carries out maintenance, and installing and dismounting is more convenient,
And clamp precision will not be lost.
In actual use, the utility model fixture is for clamping wheel hub inner rim, machining wheel hub front and outer rim, wheel
After hub is placed on fixture sector pawl 7, fan-shaped pawl 7 with power collet 10 in radial direction gradually to central reduction, until
Wheel hub is positioned and stepped up, as the speed of mainshaft is higher and higher, the centrifugal force of fan-shaped pawl 7 and the block 6 that is located by connecting can be increasing,
The clamping force of loss is more and more, and balance weight 15 gives the centrifugal force compensation of loss to fan-shaped pawl 7 and positioning by transmission rod 3 at this time
Link block 6 ensure that the stabilization of chucking power numerical value.The technical characteristics of the utility model and preferred feature in actual use, have
Have that structure is simple, maintenance is convenient, while overcoming the excessive disadvantage of conventional brace weight, realizes light-weight design.
Claims (3)
1. a kind of for processing the turning attachment of wheel hub, including cover board (1), shell (2), transmission rod (3), force transmission shaft (4), pedestal
(5), be located by connecting block (6), fan-shaped pawl (7), power collet (10), spring (13), support plate II (14), balance weight (15), branch
Fagging I (16), guide post (17), briquetting (18), joint bolt (12) pass through pedestal (5) and couple installation with machine tool chief axis,
It is characterized by: power collet (10) is mounted on, pedestal (5) is internal, and the block that is located by connecting (6) is mounted on power collet (10)
On, fan-shaped pawl (7) is mounted on the block that is located by connecting (6), and briquetting (18) is fixedly mounted on pedestal (5)；
Centrifugal force compensation mechanism includes shell (2), transmission rod (3), force transmission shaft (4), spring (13), support plate II (14), balance
Block (15), support plate I (16)；Shell (2) is mounted on the back chamber of pedestal (5) from the bottom up, and force transmission shaft (4) passes through pedestal (5), passes
Power bar (3) is fixed in the groove of shell (2), and support plate I (16) and support plate II (14) are individually positioned in shell (2)
Rear and front end, balance weight (15) are fixed between support plate I (16) and support plate II (14) by two guide posts (17), spring
(13) it is placed in the groove in balance weight (15) and support plate II (14), cover board (1) is fixedly mounted on the lower end of shell (2)；
The back chamber of pedestal (5) is set as open, and the centrifugal force compensation mechanism is blocked in the pedestal limit (5-1) on pedestal (5).
2. according to claim 1 for processing the turning attachment of wheel hub, it is characterised in that: the block that is located by connecting (6) setting
6 are set as 6, fan-shaped pawl (7)；Protective ring (11) is fixedly mounted on the gap of power collet (10) and pedestal (5), O-shaped
I (8) of circle and O-ring II (9) are mounted in the groove on protective ring (11)；
Pedestal (5) lower surface is evenly distributed with 6 pedestal reinforcing ribs (5-3), is evenly distributed with 6 pedestal windows on pedestal (5)
(5-2), the block power transmission raised (6-1) that is located by connecting on the block that is located by connecting (6) passes through pedestal window (5-2), and enters shell
Groove (2-1) is internal, and one end of transmission rod (3) can contact with each other with the block power transmission raised (6-1) that is located by connecting, the base on pedestal
Each group of seat threaded hole (5-4) has 10.
3. according to claim 1 for processing the turning attachment of wheel hub, which is characterized in that transmission rod (3) and force transmission shaft
(4) material uses 42CrMoV, and the sheathing material of balance weight (15) uses No. 45 steel, inside filling lead material；Support plate I
(16) identical with support plate II (14) height, and be clearance fit with shell (2) internal height direction, by the upper of balance weight (15)
It descends and moves left and right freedom degree to be limited, two guide posts (17) keep balance weight (15) only mobile in fixture radial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920339770.7U CN209632596U (en) | 2019-03-18 | 2019-03-18 | It is a kind of for processing the turning attachment of wheel hub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920339770.7U CN209632596U (en) | 2019-03-18 | 2019-03-18 | It is a kind of for processing the turning attachment of wheel hub |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209632596U true CN209632596U (en) | 2019-11-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920339770.7U Active CN209632596U (en) | 2019-03-18 | 2019-03-18 | It is a kind of for processing the turning attachment of wheel hub |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109866061A (en) * | 2019-03-18 | 2019-06-11 | 中信戴卡股份有限公司 | It is a kind of for processing the turning attachment of wheel hub |
-
2019
- 2019-03-18 CN CN201920339770.7U patent/CN209632596U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109866061A (en) * | 2019-03-18 | 2019-06-11 | 中信戴卡股份有限公司 | It is a kind of for processing the turning attachment of wheel hub |
| CN109866061B (en) * | 2019-03-18 | 2023-09-08 | 中信戴卡股份有限公司 | Lathe fixture for machining hubs |
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