CN103228512B - The block shape pump case of vehicle brake apparatus and for the method manufacturing this block shape pump case - Google Patents
The block shape pump case of vehicle brake apparatus and for the method manufacturing this block shape pump case Download PDFInfo
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- CN103228512B CN103228512B CN201180057824.7A CN201180057824A CN103228512B CN 103228512 B CN103228512 B CN 103228512B CN 201180057824 A CN201180057824 A CN 201180057824A CN 103228512 B CN103228512 B CN 103228512B
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- China
- Prior art keywords
- pump case
- downside
- block
- upper side
- cutting
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- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000004519 manufacturing process Methods 0.000 title claims description 15
- 238000005520 cutting process Methods 0.000 claims abstract description 19
- 238000000465 moulding Methods 0.000 claims description 10
- 238000007781 pre-processing Methods 0.000 claims description 6
- 238000001125 extrusion Methods 0.000 claims description 3
- 238000003754 machining Methods 0.000 description 15
- 238000002372 labelling Methods 0.000 description 8
- 238000003801 milling Methods 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 238000005266 casting Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 239000011265 semifinished product Substances 0.000 description 2
- XAGFODPZIPBFFR-BJUDXGSMSA-N Aluminum-26 Chemical compound [26Al] XAGFODPZIPBFFR-BJUDXGSMSA-N 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000010137 moulding (plastic) Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
Abstract
The present invention relates to block shape pump case (24) of a kind of vehicle brake apparatus, it is with being machined into the upper side (63) of finish size and being machined into the downside (79) of finish size, and the finish size of described upper side (63) and downside (79) is produced by blank (42) by means of the method for forming (82) without cutting.
Description
Technical field
The present invention relates to the block shape pump case of a kind of vehicle brake apparatus, it is with being machined into
The upper side of finish size and the downside being machined into finish size, the invention still further relates to one
Plant the method being used for manufacturing the pump case of this piece of shape.
Background technology
The block shape pump case of vehicle brake apparatus is commonly made from aluminium so-called hydraulic block.Here,
Use such processing method, i.e. first aluminum feedstock is processed into rod semi-finished product.
This rod part is sawn into block part subsequently, and described piece of part is by means of machining, usually milling
Technique is worked into finish size at least one side.It addition, for pump case,
Can not produce and be processed further required dimensional tolerance.
Summary of the invention
The purpose of the present invention is, it is achieved the vehicle brake apparatus of cost manufacture that can be preferably
Pump case.
According to the present invention it is proposed that the block shape pump case of a kind of vehicle brake apparatus and a kind of use
In the method manufacturing this block shape pump case, this pump case has and is machined into the upper of finish size
Side and be machined into the downside of finish size, in the method, described upper side and under
The finish size of side is produced by blank by means of the method for forming without cutting.
According to the present invention, the blank of pump case is squeezing with the form of aluminium bar shape part especially
First sawed after the operation gone out and afterwards without cutting ground molding.Molding is summarised as all spies
It not that metal is the most plastically become other shapes of processing method.Also referred to as
Plastic moulding.Here, first make (such as casting) through prototype processing prefabricated
Material (from casting the rope shape part obtained continuously or casting the block obtained from bulk) molding
Become semi-finished product or blank.Even if also keeping material when molding when the density alterable of material
Quality and combination.This molding is with the difference of deformation, on purpose introduces change of shape.
The method according to the invention is utilized to eliminate the cost and the most also for machining
Eliminate the cost of at least one side deburring in pump case.The surface of non-machining
More anti-corrosion protection is provided, thus can save the cost for face seal.Alternatively,
The protection on surface can be realized during manufacturing blank, because no longer machining surface.
Blank weight can reduce, because the chi of the about 0.5mm reserved into machining can be saved
Very little allowance.Result provides cost savings in terms of raw materials consumption further.
Also single side or the labeling section on surface of the pump case of block shape it are no longer needed for, because of
It is made with equal quality for single side or surface.Provide cost savings the most further.
It is no longer necessary to 100% ground equally size is checked, because these sizes are unexpectedly borrowed
Help can singular process reliably obtain without the molding of cutting.This is particularly suitable at vehicle
Desired production in enormous quantities in braking equipment.The method according to the invention is utilized to manufacture
High shape stability and dimensional stability is guaranteed during journey.
Finally, the special holding face being provided for fixing during machining is also eliminated.
When this machining multiple axially on produce the power that should be eliminated.To this end, so far
Till pump case manufacture method in be provided with backcut portion especially for the second clamped position
Special clamping bag portion.
Preferably, carry out suppressing, carrying out suppressing or alternately by extremely in particular with roll
A few punch die is suppressed, and is used as the method for forming without cutting.
Preferably, this blank is manufactured by means of squeezing and pressing method.
Preferably, the finish size of upper side and downside is fabricated onto the tolerance less than 0.1mm
Size.The molding without cutting is utilized to be adjusted in the scope of 0.5mm to 0.2mm by blank
Described piece of thickness, without machining.In block shape after the method according to the invention
Pump case in machining opening time, it is not necessary to it is further noted that the orientation of pump case, because being used for
First and second clamped positions of machining opening are identical in design.
After the forming method without cutting, this pump case is particularly made to be provided with surface protection portion.
Advantageously, anodic oxidation is set or there is isoionic atmospheric protection portion as surface protection portion.
Accompanying drawing explanation
The solution according to the present invention is explained in detail below according to appended schematic drawing
Embodiment.Wherein:
Fig. 1 shows the order of the step manufacturing block shape pump case according to prior art,
Fig. 2 shows having according to prior art before first time machining opening
The upper side being machined into finish size and the pump case of the downside that is machined into finish size
Three-dimensional view,
Fig. 3 shows the side-looking of the pump case according to Fig. 2 in its first clamping device
Figure,
Fig. 4 shows whole first cutter assembly of the first clamping device with good grounds Fig. 3
Axonometric chart,
Fig. 5 show before second time machining opening according to prior art with
The upper side being machined into finish size and the pump case of the downside that is machined into finish size
Axonometric chart,
Fig. 6 shows the side-looking of the pump case according to Fig. 5 in its second clamping device
Figure,
Fig. 7 shows whole second cutter assembly of the second clamping device with good grounds Fig. 6
Axonometric chart,
Fig. 8 shows the step manufacturing block shape pump case according to the first embodiment of the present invention
Sequentially,
Fig. 9 shows the step manufacturing block shape pump case according to the second embodiment of the present invention
Sequentially,
Figure 10 showed before first time machining opening according to the present invention with quilt
The pump case of the upper side being worked into finish size and the downside that is machined into finish size
Axonometric chart,
Figure 11 shows the side-looking of the pump case according to Figure 10 in its first clamping device
Figure,
Figure 12 shows the whole first cutting group of the first clamping device with good grounds Figure 11
The axonometric chart of part,
Figure 13 showed before second time machining opening according to the present invention with quilt
The pump case of the upper side being worked into finish size and the downside that is machined into finish size
Axonometric chart,
Figure 14 shows the side-looking of the pump case according to Figure 13 in its second clamping device
Figure, and
Figure 15 shows the whole second cutting group of the second clamping device with good grounds Figure 14
The axonometric chart of part.
Detailed description of the invention
It is illustrated in Figure 1 each step 10 manufacturing block shape pump case 24 according to prior art
To 22.In step 10, the aluminum 26 of liquid is introduced in chill cast share model 28 and about
Rod part 30 is cast at a temperature of 650 DEG C.In a step 11 to rod part 30 in stove 32
Anneal.In step 12 this rod part 30 is carried out turning and is sawn into about
The rod section 34 of 1500mm length.Subsequently, utilize detector 36 at it in step 13
Replace error size aspect each rod section 34 is measured.
At step 14, by six rod sections 34 (only illustrating) at about 450 DEG C
Under conditions of be processed into discharging at nozzle 40 by means of extruder 38 with extrusion molding abreast
Becoming rope shape part 42, this rope shape part 42 is cooled to about 520 DEG C subsequently at cooling end 44.
Here, single rope shape part 42 is not the cross section with complete rectangle, but in its side
In one be provided with two and connect sheet shapes, the labeling section 45 longitudinally pointed to.In step
In 15, at stretching device 46, multiple this rope shape parts 43 are drawn into about 20m length and
End at the rope shape part 42 being stretched amputates its end section 48 subsequently.
It is step 17 after step 10 is to 16, in this step about 175 in stove 50
At a temperature of DEG C, the rope shape part 42 to preprocessing is annealed.Subsequently, borrow in step 18
Help saw 52 and the rope shape part 42 of annealing is sawn into single block 54.Afterwards, these blocks
Each in shape part 54 is further processed into single pump case 24.Here, first exist
It step 19 is block 54 deburring.And then, in step 20 is to 22, list is measured
Individual block 54, wherein, this block 54 come on different hard blocks 56 and
Compacted by means of diamond detector 58 and multiple spherical detector 60.
It will be seen that such preprocessing of pump case 24 and the block shape of measurement in Fig. 2 is to 4
How part 54 is arranged to having opening 62 in clamping for the first time.Block 54 by means of
Connect the labeling section 45 of sheet shape identified and be so orientated on its position so that its with
The opposed side surface 63 (upper side) of labeling section 45 comes on block 64.Here, block shape
Part 54 is compressed against on block 64 by means of the biggest power 66 so that it is at side surface 63
On can be by means of instrument 68 machining, to form opening 62 in this place.
To this end, figure 4 illustrates relevant clamping device 70, as the most in figure 3
As illustrating, 12 block 54 are maintained at clamping device 70 altogether.
Fig. 5 shows the block 54 with its opening 62 of so processing, wherein, opening
One in 62 has been provided with backcut portion 72.By means of keeping instrument at this backcut portion 72
Such block 54 is pulled against on block 76 by 74, block 54 to be maintained at
Second time clamping in, as shown in fig. 6 as.So clamping, available milling cutter 78
The side 79 (downside) at labeling section 45 place carries out milling to block 54.This
Outward, this side surface 79 utilize instrument 68 form other opening 62.
To this end, again show in the figure 7 with its altogether 12 holding instruments 74 for
The relevant clamping device 78 of this second time clamping.
Utilize Fig. 8 to 15 that the method according to the invention is described.Therefore, Fig. 8 shows progressively
Ground manufactures the first embodiment of the pump case 24 according to the present invention.In this manufacture method, step
Rapid 10 to 14 is substantially identical with the step of Fig. 1, wherein, has existed
Difference, i.e. rope shape part 42 is not provided with connecting the labeling section 45 of sheet shape, but instead has
The cross section 80 of substantial rectangular.Step 15 is to 17 those steps also corresponding to Fig. 1.
But, after the step 17 of shape part 42 annealing of preprocessing being restricted according to Fig. 8 it is
New step 82, wherein will rope shape part 42 or multiple by means of roll 84 relative to each other
The blank of rope shape part 42 form is adjusted to tolerance dimension 86 less than 0.1mm on its thickness.
So can stably obtain this tolerance dimension 86 during the course of processing so that although in step
In 18 sawed-off after subsequent process in also carry out the step 19 of deburring and step 20 and
22, but one of them measuring process, i.e. step 21 can be saved.Here, according to Fig. 8
Step 19 diagram in also can find out especially, be deformed to the block 54 of gauge
Not there is labeling section 45 and there is the cross section 80 of rectangle the most in this place.
Figure 9 illustrates another enforcement of the pump case 24 progressively manufactured according to the present invention
Example, wherein, step 10 to 17 is consistent with the step of Fig. 8 with 18 to 20 and 22.
In this embodiment, in step 82, do not utilize roll but utilize punch die 88 and pairing
Support 90 makes one or more rope shape part 42 be deformed to have the least tolerance dimension 86
Gauge.
Figure 10 illustrates to 12, further when utilizing clamping device 70 clamping for the first time
Process the block 54 according to the present invention of such preprocessing.This clamping substantially corresponds to figure
The clamping of 3 and 4, however wherein it should be noted that at the block 54 according to Figure 10 with
Sample does not connect the labeling section 45 of sheet shape and is formed without backcut portion 72 yet.
Afterwards, in Figure 13 is to 15, show the second time of block 54 according to the present invention
Clamping, wherein, can be no longer necessary to milling block 54 and also be no longer necessary to backcut portion
72 and holding instrument 74 for block 54 being maintained at relevant clamping device 70.Phase
Instead, according to Figure 14, power 66 can be utilized in a conventional manner to make block 54 be pressed against gear
Block 54 is processed for forming opening wherein on block 76 and by means of instrument 68
62。
Claims (10)
1. block shape pump case (24) of a vehicle brake apparatus, it is with being machined into
The upper side of Chinese musical scale cun and the downside being machined into finish size,
Wherein, by means of the hair of extrusion molding (14) preprocessing rope stretching shape part (42) form
Base,
It is characterized in that, afterwards by means of the method for forming (82) without cutting by described blank system
Produce described upper side (63) and the finish size of downside (79), the most described blank
It is sawn into multiple block (54), and afterwards in described upper side (63) and downside
(79) place forms opening (62), wherein, by individually without the molding legal system of cutting
After producing the finish size of described upper side (63) and downside (79), shape of just restricting
Part (42) is sawn into block.
2. according to the block shape pump case described in claim 1, wherein, carry out suppressing conduct
The method of forming (82) without cutting.
3. according to the block shape pump case described in claim 2, wherein, utilize roll (84)
Carry out suppressing the method for forming (82) as without cutting.
4. according to the block shape pump case according to any one of claims 1 to 3, wherein,
The finish size of described upper side (63) and downside (79) is fabricated to tolerance dimension (86)
Less than 0.1mm.
5. according to the block shape pump case described in claim 1, in the described method of forming without cutting
(82), after, described piece of shape pump case is made to be provided with surface protection portion.
6. for manufacturing the method for block shape pump case for vehicle brake apparatus, its have with
Lower step:
By upper side (63) and downside (79) processing of described piece of shape pump case (24)
To finish size,
Wherein, by means of the hair of extrusion molding (14) preprocessing rope stretching shape part (42) form
Base,
It is characterized in that, afterwards by means of the method for forming (82) without cutting by described blank system
Produce described upper side (63) and the finish size of downside (79), the most described blank
It is sawn into multiple block (54), and afterwards in described upper side (63) and downside
(79) place forms opening (62), wherein, by individually without the molding legal system of cutting
After producing the finish size of described upper side (63) and downside (79), shape of just restricting
Part (42) is sawn into block.
The most in accordance with the method for claim 6, wherein, suppress, as without cutting
The method of forming (82) cut.
The most in accordance with the method for claim 7, wherein, roll (84) is utilized to carry out
Compacting, as the method for forming (82) without cutting.
9. according to the method according to any one of claim 6 to 8, wherein, by described
It is little that the finish size of upper side (63) and downside (79) is manufactured into tolerance dimension (86)
In 0.1mm.
The most in accordance with the method for claim 6, wherein, in the described molding without cutting
After method (82), described piece of shape pump case (24) is made to be provided with surface protection portion.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102010062270.2 | 2010-12-01 | ||
| DE102010062270A DE102010062270A1 (en) | 2010-12-01 | 2010-12-01 | Block-shaped pump housing of a vehicle brake system and method for its production |
| PCT/EP2011/067961 WO2012072324A1 (en) | 2010-12-01 | 2011-10-14 | Pump housing, in block form, of a vehicle brake system, and method for producing the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103228512A CN103228512A (en) | 2013-07-31 |
| CN103228512B true CN103228512B (en) | 2016-11-30 |
Family
ID=
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5958206A (en) * | 1994-12-01 | 1999-09-28 | Itt Manufacturing Enterprises Inc. | Process for producing a corrosion and wear-resistant oxide layer with locally reduced layer thickness on the metal surface of a workpiece |
| EP1453712A1 (en) * | 2001-11-30 | 2004-09-08 | Robert Bosch Gmbh | Hydraulic modulator for an anti-lock device and the production method of the same |
| CN1616286A (en) * | 2003-11-12 | 2005-05-18 | 株式会社万都 | Hydraulic unit of anti-lock brake system and method of manufacturing the same |
| CN1702000A (en) * | 2004-05-26 | 2005-11-30 | 株式会社日立制作所 | Fluid pressure control device and manufacturing method thereof |
| JP2009107473A (en) * | 2007-10-30 | 2009-05-21 | Bosch Corp | Brake liquid pressure control device |
| WO2010133390A2 (en) * | 2009-05-22 | 2010-11-25 | Robert Bosch Gmbh | Pump housing for a hydraulic unit in a motor vehicle |
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5958206A (en) * | 1994-12-01 | 1999-09-28 | Itt Manufacturing Enterprises Inc. | Process for producing a corrosion and wear-resistant oxide layer with locally reduced layer thickness on the metal surface of a workpiece |
| EP1453712A1 (en) * | 2001-11-30 | 2004-09-08 | Robert Bosch Gmbh | Hydraulic modulator for an anti-lock device and the production method of the same |
| CN1616286A (en) * | 2003-11-12 | 2005-05-18 | 株式会社万都 | Hydraulic unit of anti-lock brake system and method of manufacturing the same |
| CN1702000A (en) * | 2004-05-26 | 2005-11-30 | 株式会社日立制作所 | Fluid pressure control device and manufacturing method thereof |
| JP2009107473A (en) * | 2007-10-30 | 2009-05-21 | Bosch Corp | Brake liquid pressure control device |
| WO2010133390A2 (en) * | 2009-05-22 | 2010-11-25 | Robert Bosch Gmbh | Pump housing for a hydraulic unit in a motor vehicle |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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