CN206047702U - Steering gear brush shell fixture - Google Patents
Steering gear brush shell fixture Download PDFInfo
- Publication number
- CN206047702U CN206047702U CN201621058267.7U CN201621058267U CN206047702U CN 206047702 U CN206047702 U CN 206047702U CN 201621058267 U CN201621058267 U CN 201621058267U CN 206047702 U CN206047702 U CN 206047702U
- Authority
- CN
- China
- Prior art keywords
- steering gear
- brush shell
- base
- product
- shell fixture
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Jigs For Machine Tools (AREA)
Abstract
The utility model discloses a kind of steering gear brush shell fixture, which includes：One base；Several hold-down mechanisms, several hold-down mechanisms are all connected to the top of the base, for depressing clamping product；One elastic supporting mechanism, the elastic supporting mechanism are connected to the top of the base, and several described hold-down mechanisms are located at the surrounding of the elastic supporting mechanism, for supporting the product upwards.Steering gear brush shell fixture of the present utility model, freely can be stretched positioning by elastic supporting mechanism, eliminate product and shrink inequality and cause the skimble-scamble puzzlement of stress, and eliminate product because being not exposed to cause processing risk.Meanwhile, the depth of parallelism can reach 0.025mm, and CPK abilities reach 1.67, and the course of processing is more safe and reliable.
Description
Technical field
This utility model is related to a kind of fixture, more particularly to a kind of steering gear brush shell fixture.
Background technology
Motor with brush is the vital part of automobile steering device, and this part working position is more, and dimension precision requirement is very high, one
It has been to be processed using multistation mode both at home and abroad since straight.
Now machined using double main shaft double knife towers clamped one times, the subject matter that such clamp structure is present is as follows：
1st, formed product after-contraction is inconsistent can cause product internal diameter not of uniform size, cause jig Design difficult.
2nd, the power that Machine hydraulic drives generation to expand outwardly is supported by clamp central positioning, make deformation of products, will also result in
Double main shaft merging precisions and datum offset, require less than 0.05mm so as to not reach flatness.
3rd, product and fixture locating surface are not completely attached to and can be processed yet, and cause product to be finally to incline, and change in size is big.
So that during production and rear technique use, the product depth of parallelism is bad a lot, and scrappage reaches 10%, makes
Increase into cost, have a strong impact on the rhythm of subsequent automated assembly line, or even cause to stop line.
Utility model content
The technical problems to be solved in the utility model is to make deformation of products to overcome existing clamp central to position internal stay,
A kind of defect such as the product depth of parallelism is not much, there is provided steering gear brush shell fixture.
This utility model is solving above-mentioned technical problem by following technical proposals：
A kind of steering gear brush shell fixture, its feature is which includes：
One base；
Several hold-down mechanisms, several hold-down mechanisms are all connected to the top of the base, for depressing clamping
Product；
One elastic supporting mechanism, the elastic supporting mechanism are connected to the top of the base, and several described compressions
Mechanism is located at the surrounding of the elastic supporting mechanism, for supporting the product upwards.
It is preferred that the elastic supporting mechanism includes a floating locating dowel, an elastic component, under the floating locating dowel
End is resisted against the upper end of the elastic component, and the lower end of the elastic component is resisted against the base.
It is in this programme, using said structure form, convenient and quick in positioning by floating locating dowel, meanwhile, structure
Simply, handling and using all facilitating.
It is preferred that the elastic supporting mechanism also includes a position-limiting tube, the position-limiting tube is connected to the top of the base
Portion, the elastic component are located in the position-limiting tube, and the floating locating dowel is embedded and is slidedly arranged on the position-limiting tube.
In this programme, using said structure form, prevent floating locating dowel and elastic component from producing skew, it is ensured that elasticity
The structural stability of support mechanism.
It is preferred that the steering gear brush shell fixture includes several against platform, connect against platform described in several
It is connected to the top of the base, and several described surroundings that the elastic supporting mechanism is located at against platform.
In this programme, using said structure form, for against product, it is ensured that product and steering gear brush shell fixture
Between fit completely.
It is preferred that described be provided with passage against platform, the passage from described against the top of platform through it is described against
Platform.
In this programme, using said structure form, product can be monitored by passage and pressed from both sides with steering gear brush shell
Whether it is brought into close contact between tool.
In addition, completely whether laminating will send pressure signal so as to whether control machine to producing between passage and product
Product are processed operation.
It is preferred that the hold-down mechanism includes an oil cylinder, a pressing plate, a pressure head, the bottom of the oil cylinder is connected to institute
The top of base is stated, the bottom end of the pressing plate at the top of the oil cylinder, is connected to, the pressure head is connected to the pressing plate
The other end.
In this programme, using said structure form, pressure head meets product appearance shape, is pressed against by pressure head buffering and is produced
Product, prevent product from clamping deformation, it is ensured that Product Precision is required.
In addition, causing clamping product more steady and firm by oil cylinder, it is ensured that following process will not produce skew and rock
Phenomenon.Meanwhile, simple structure, using easy to operate.
It is preferred that the steering gear brush shell fixture includes at least one alignment pin, the alignment pin is connected to institute
State the top of base.
In this programme, using said structure form so that product can be accurately positioned when placing, it is ensured that clamping product
Accuracy.
It is preferred that the steering gear brush shell fixture includes a fool proof part, the fool proof part is connected to the base
Top.
In this programme, using said structure form so that product is placed and will not produce mistake, improve the accurate of processing and
Efficiency.
On the basis of common sense in the field is met, above-mentioned each optimum condition, can combination in any, obtain final product this utility model respectively compared with
Good example.
Positive effect of the present utility model is：
Steering gear brush shell fixture of the present utility model, freely can be stretched positioning by elastic supporting mechanism, eliminate and produce
Product shrink inequality and cause the skimble-scamble puzzlement of stress, and eliminate product because being not exposed to cause to process risk.Meanwhile, the depth of parallelism
0.025mm can be reached, CPK abilities reach 1.67, and the course of processing is more safe and reliable.
Description of the drawings
Structural representations of the Fig. 1 for the steering gear brush shell fixture of this utility model preferred embodiment.
Fig. 2 is cross section structure diagrams of the Fig. 1 along A-A directions.
Description of reference numerals：
Base 1
Hold-down mechanism 2, oil cylinder 21, pressing plate 22, pressure head 23
Elastic supporting mechanism 3, floating locating dowel 31, elastic component 32, position-limiting tube 33
Against platform 4, passage 41
Alignment pin 5
Fool proof part 6
Specific embodiment
Below by embodiment mode and combine accompanying drawing to become apparent from intactly illustrating this utility model, but not therefore
Among this utility model is limited in described scope of embodiments.
As shown in figure 1, steering gear brush shell fixture of the present utility model, its include base 1, elastic supporting mechanism 3,
Several hold-down mechanisms 2, elastic supporting mechanism 3 and hold-down mechanism 2 are all connected to the top of base 1, several hold-down mechanisms 2
In the surrounding of elastic supporting mechanism 3.During product is clamped, first product is placed on elastic supporting mechanism 3, operation pressure
Tight mechanism 2 will move down and for product is compressed downwards, elastic supporting mechanism 3 so as to produce support force upwards, from
And by clamping product.Elastic supporting mechanism 3 freely up and down can stretch positioning so that when product touches elastic supporting mechanism 3
And when being given to 3 active force of elastic supporting mechanism, elastic supporting mechanism 3 can stretch resigning, will not produce to supporting product retroaction
Power, is forbidden because product shrinks the unbalanced positioning brought when clamping so as to eliminate.In fact in the clamping product course of processing,
Can not possibly accomplish that product thermal contraction is consistent, elastic supporting mechanism 3 can correct the fluctuation of product contraction, so that product is eliminated because not having
Touch and cause to process risk, it is ensured that the safety and reliability of converted productss.Product after machining, by detection,
The depth of parallelism can reach 0.025mm, and CPK abilities reach 1.67, meet the design requirement of product.Preferably, elastic supporting mechanism 3
Positioned at the crown center of base 1, the quantity of hold-down mechanism 2 is two, and hold-down mechanism 2 is respectively positioned at the two of elastic supporting mechanism 3
Side.
As depicted in figs. 1 and 2, elastic supporting mechanism 3 can include floating locating dowel 31, elastic component 32, positioning of floating
The lower end of post 31 is resisted against the upper end of elastic component 32, and the lower end of elastic component 32 is resisted against base 1.Elastic component 32 produces elastic force and makes
Locating dowel of must floating is stretched about 31, and the product of processing is placed on the top end face of floating locating dowel 31, can be quickly and square
Just it is resisted against product.Simple structure, while loading and unloading and using all very convenient.
In order to reach the effect of 3 structural stability of elastic supporting mechanism, elastic supporting mechanism 3 can include position-limiting tube
33, position-limiting tube 33 is connected to the top of base 1, and elastic component 32 is located in position-limiting tube 33 so that elastic component 32 is in use
Skew will not be produced, it is ensured that the stability in use of elastic supporting mechanism 3.The bottom of floating locating dowel 31 is embedded and is slidedly arranged on spacing
Pipe 33, so that floating locating dowel 31 will not also produce skew dislocation in use, so that product being capable of essence
Certainly position processing.
Steering gear brush shell fixture can include several against platform 4, and several are all connected to base 1 against platform 4
Top, and several against platform 4 be located at elastic supporting mechanism 3 surrounding.In clamping product, against platform 4 for against product
Product are simultaneously brought into close contact with product.
In order to improve the safety of steering gear brush shell fixture, passage 41 can be provided with against platform 4, passage 41 from
Top against platform 4 is through against platform 4.When steering gear brush shell fixture is when product is clamped, the one of passage 41 rectifies right
The product being resisted against against platform 4, the other end of passage 41 is then connected with pressure signal detection means, if product and against platform
When being brought into close contact between 4, passage 41 will cause 41 air pressure inside of passage to raise because of the air of injection, pressure signal inspection
Surveying device is used to detect the pressure of passage 41 and the signal transmission for detecting is given to the control system of machine, and control system will
Machine can be caused to open, so as to machine is processed to product.If conversely, product and when having gap between platform 4, passage
41 will reveal air pressure, and control system will cause machine to disconnect, so as to be processed operation.
In order to reach the effect that hold-down mechanism 2 will not be deformed to product surface when product is compressed, hold-down mechanism 2 can
To include oil cylinder 21, pressing plate 22, pressure head 23, the fixing end of oil cylinder 21 is connected to the top of base 1, and the movable end of oil cylinder 21 connects
It is connected to the bottom end of pressing plate 22.Cause clamping product more steady and firm by oil cylinder 21, it is ensured that subsequent product is in processing
Shi Buhui produces skew shaking phenomenon.Pressure head 23 is connected to the other end of pressing plate 22.Pressure head 23 meets product appearance shape, passes through
The buffering of pressure head 23 is pressed against product, prevents product from clamping deformation, it is ensured that the required precision of product.Meanwhile, simple structure, using operation
It is convenient.Preferably, oil cylinder 21 is rotary oil cylinder, and pressure head 23 is embedded at the bottom of pressing plate 22.
In order to reach the effect of product convenient positioning when clamping, steering gear brush shell fixture can include at least one
Individual alignment pin 5, alignment pin 5 are connected to the top of base 1, and alignment pin 5 is located at the surrounding of elastic supporting mechanism 3.By floating
Locating dowel 31 and alignment pin 5 are formed with the structure of two points one lines so that product in placement and processing all without produce deviation, together
When place product when can be accurately positioned, it is ensured that the accuracy of clamping product.
In order to ensure that product will not be put back when placing, steering gear brush shell fixture can include fool proof part 6,
Fool proof part 6 is connected to the top of base 1, and fool proof part 6 is located at elastic supporting mechanism 3, so as to the energy when product is placed
The enough quick accurate and efficiency placed and will not put back, improve placement.
Although the foregoing describing specific embodiment of the present utility model, it will be appreciated by those of skill in the art that
This is merely illustrative of, and protection domain of the present utility model is defined by the appended claims.Those skilled in the art
On the premise of without departing substantially from principle of the present utility model and essence, various changes or modifications can be made to these embodiments,
But these changes and modification each fall within protection domain of the present utility model.
Claims (8)
1. a kind of steering gear brush shell fixture, it is characterised in which includes：
One base；
Several hold-down mechanisms, several hold-down mechanisms are all connected to the top of the base, for depressing clamping product；
One elastic supporting mechanism, the elastic supporting mechanism are connected to the top of the base, and several described hold-down mechanisms
Positioned at the surrounding of the elastic supporting mechanism, for supporting the product upwards.
2. steering gear brush shell fixture as claimed in claim 1, it is characterised in that the elastic supporting mechanism includes
Floating locating dowel, an elastic component, the lower end of the floating locating dowel are resisted against the upper end of the elastic component, under the elastic component
End is resisted against the base.
3. steering gear brush shell fixture as claimed in claim 2, it is characterised in that the elastic supporting mechanism is also included
One position-limiting tube, the position-limiting tube are connected to the top of the base, and the elastic component is located in the position-limiting tube, and described floating is determined
Position post is embedded and is slidedly arranged on the position-limiting tube.
4. steering gear brush shell fixture as claimed in claim 1, it is characterised in that the steering gear brush shell fixture bag
Several are included against platform, the top of the base has been all connected to described in several against platform, and several is described against platform position
In the surrounding of the elastic supporting mechanism.
5. steering gear brush shell fixture as claimed in claim 4, it is characterised in that described to be provided with passage against platform, institute
Passage is stated from described against the top of platform through described against platform.
6. steering gear brush shell fixture as claimed in claim 1, it is characterised in that it is oily that the hold-down mechanism includes
Cylinder, a pressing plate, a pressure head, the bottom of the oil cylinder are connected to the top of the base, are connected to described at the top of the oil cylinder
The bottom end of pressing plate, the pressure head are connected to the other end of the pressing plate.
7. steering gear brush shell fixture as claimed in claim 1, it is characterised in that the steering gear brush shell fixture bag
At least one alignment pin is included, the alignment pin is connected to the top of the base.
8. the steering gear brush shell fixture as any one of claim 1-7, it is characterised in that the steering gear brush
Shell fixture includes a fool proof part, and the fool proof part is connected to the top of the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621058267.7U CN206047702U (en) | 2016-09-14 | 2016-09-14 | Steering gear brush shell fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621058267.7U CN206047702U (en) | 2016-09-14 | 2016-09-14 | Steering gear brush shell fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206047702U true CN206047702U (en) | 2017-03-29 |
Family
ID=58370104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621058267.7U Active CN206047702U (en) | 2016-09-14 | 2016-09-14 | Steering gear brush shell fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206047702U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107138994A (en) * | 2017-07-04 | 2017-09-08 | 泰州市东方传动技术有限公司 | A kind of planet carrier shaft boring grab |
| CN110587342A (en) * | 2019-09-08 | 2019-12-20 | 杭州卫东数控机电有限公司 | A frock clamp for knuckle processing |
-
2016
- 2016-09-14 CN CN201621058267.7U patent/CN206047702U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107138994A (en) * | 2017-07-04 | 2017-09-08 | 泰州市东方传动技术有限公司 | A kind of planet carrier shaft boring grab |
| CN110587342A (en) * | 2019-09-08 | 2019-12-20 | 杭州卫东数控机电有限公司 | A frock clamp for knuckle processing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201128062Y (en) | Bearing press fitting device | |
| CN205342590U (en) | Automobile -used anchor clamps of hydraulic pressure cylinder end | |
| CN206047702U (en) | Steering gear brush shell fixture | |
| CN201579314U (en) | Slender shaft workpiece detection and alignment device | |
| JP2014058022A (en) | Processing position taking-out method and processing tool | |
| CN103075988B (en) | Device for rapidly detecting inner diameter and height of magnetic shoe housing assembly | |
| CN202092625U (en) | Clamp model recognition device | |
| CN106352756A (en) | Test tool | |
| CN104048580B (en) | Steering gear position detecting tool | |
| CN205718754U (en) | A kind of cubing detecting oil sealing end face run-out | |
| CN106767589B (en) | Three-coordinate measuring method and device for clamp block type parts | |
| CN204584872U (en) | Digit Control Machine Tool oil pressure jig pressure-detecting device | |
| CN206019519U (en) | A kind of cubing | |
| JP2012218008A (en) | Positioning/holding device for fuel tank half of motorcycle | |
| CN206643629U (en) | A kind of interface fine positioning fixing device | |
| CN203574509U (en) | AC motor rotor assembly machine | |
| CN203696253U (en) | Welding device for electric core and current-guiding terminal of super-capacitor | |
| CN104251650A (en) | Test tool for trim panel mounting plate of automotive wheel cover | |
| CN111682709B (en) | Stator core assembling method | |
| CN210346536U (en) | Multifunctional checking fixture | |
| CN207703193U (en) | Flatness detects school type system | |
| CN106239210A (en) | Workpiece end tool for processing | |
| JP5556402B2 (en) | Axle coupling auxiliary device and shaft coupling method | |
| CN111756196A (en) | Stator core assembly system and stator core assembly method | |
| CN213657811U (en) | Utensil is examined in special use of gearbox casing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201605 Shanghai city Songjiang District Xinbang Industrial Park No. 368 Hu Lulu Patentee after: Jintuo Technology Co., Ltd Address before: 201605 Shanghai city Songjiang District Xinbang Industrial Park No. 368 Hu Lulu Patentee before: SHANGHAI JINTUO METAL PRODUCTS Co.,Ltd. |