CN104777052B - Mechanical wear experimental rig - Google Patents
Mechanical wear experimental rig Download PDFInfo
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- CN104777052B CN104777052B CN201510157398.4A CN201510157398A CN104777052B CN 104777052 B CN104777052 B CN 104777052B CN 201510157398 A CN201510157398 A CN 201510157398A CN 104777052 B CN104777052 B CN 104777052B
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- mechanical wear
- experimental rig
- cabinet
- nozzle
- sand water
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Abstract
The invention discloses a kind of mechanical wear experimental rig, including cabinet, the bracket to carry sample in cabinet driven can be arranged on up or down, be vertically situated at cabinet inner space top and can the mechanical wear experiment spray gun of plastics lens that moves back and forth of left and right driven, cabinet side is horizontally set on to the laser pen for aiding in sample to flush setting, sand water mixing agitator of the side to provide the mixing of sand water to described spray gun outside cabinet is arranged on.The mechanical wear device that the present invention is used, the liquid level of synchronous adjustment sand water mixing agitator while abrasive jet wear is carried out, the operating mode of spray gun can be so effectively ensured, ensure that blasted condition does not change in process of the test, improve test effect, and, laser pen is set, print and overall horizontal alignment effect can be effectively improved, it is ensured that each sample test situation is identical, improve Detection results.
Description
Technical field
The present invention relates to field of mechanical technique, more particularly to a kind of mechanical wear experimental rig.
Background technology
Mechanical wear experiment is the sand blast test process that fixed position or region are carried out according to certain requirement, such as in automobile
When mechanical wear experiment is done in the survey of lamp distribution microscopy, in the test requirements document of China's automobile lamp standard, European Union ECE has been continued to use completely
Standard, national standard GB 4599-2007《Lamps for vehicle silk bulb headlamp》Mechanical wear test method requires as follows in annex E：Spray
Rifle should be equipped with the nozzle of an a diameter of 1.3mm, when operating pressure isDuring Mpa, injection liquid flow for (0.24 ±
0.02)1/min.And on the wear surface at nozzle 380mm ± 10mm, form an a diameter of 170mm ± 50mm and dissipate
The region of the injection stream of cloth, in the region in same level place headlamp and from same specification headlamp get under it is many
Individual sample.And experiment mixed liquor is required by mohr's scale of hardness 7, granularity is in normal distribution, angle factor between 0~0.2mm
1.8~2 silica sand and water composition, its proportioning is that every liter of water is 25g containing silica sand.
First, using existing nozzle arrangements, 1.3mm, and guarantee work pressure are set to when needing the diameter by air nozzle
Power, if the flow of the injection liquid proposed according to standard, and on the wear surface at nozzle 380mm ± 10mm, formed
The area requirement for the injection stream that fan-shaped is spread, common sand-blasting machine is clearly irrealizable.
Secondly, in the mixing of silica sand and water, because the proportion of silica sand is more than 1.6, the proportion of water is 1, and silica sand sinks to water
Bottom, rotates stirring slurry, part silica sand is floated, and big according to the mixed method of general liquid, rotation mixing liquid or using motor
The direction that part silica sand can rotate along agitating paddle, piles up new sand bag, it is impossible to ensure the ratio of sand water, so as to also just can not
The proportioning for ensureing the sand liquid gushed out is that every liter of water is 25g containing silica sand, directly affects the precision of wear testing.
Furthermore, settings is flushed for ensure print and sample, that is, ensures the most top surface of sample of each middle form positioned at same
, it is necessary to repeatedly measure the distance of upper surface and nozzle on horizontal plane, cause experiment Occupation time long.
The content of the invention
In view of the technical drawbacks of the prior art, it is an object of the present invention to provide a kind of experiment of mechanical wear is filled
Put.
To realize that the technical scheme that the purpose of the present invention is used is：
A kind of mechanical wear experimental rig, including cabinet, driven can be arranged in cabinet to carry sample up or down
The bracket of product, be vertically situated at cabinet inner space top and can the plastics lens that moves back and forth of left and right driven
Mechanical wear experiment spray gun, is horizontally set on cabinet side to the laser pen for aiding in sample to flush setting, is arranged on cabinet
Sand water mixing agitator of the outside side to provide the mixing of sand water to described spray gun.
Described sand water mixing agitator is arranged on crane, described crane according to flow and working time progressively
Improve the height of husky water mixing agitator so that the change of the liquid level of sand water mixing agitator within a predetermined range.
Described sand water mixing agitator, including cylindrical tube, the lid that described cylinder upper opening can be closed,
The agitating shaft at described lid center is can be rotatably set in, the agitating paddle of described agitating shaft lower end is fixedly installed on, it is fixed
It is arranged on the rotary cylinder of the described lid upper surface agitating shaft reciprocating rotation described to drive, and it is controllable described
Rotary cylinder air inlet, go out gaseity switching and realize the changement of reciprocating rotary to change, described changement includes fixation and set
Put on rotary cylinder and the arc of concomitant rotation touches block, compartment of terrain is fixedly installed on lid and can touch block hair with described
Two touch type reversal valves of raw interference, and the Pneumatic-control type two that control source of the gas end is connected with two described reversal valves respectively
Five-way valve, the described valve port of two five-way valves is connected with the interface of rotary cylinder, while in two described five-way valves
Choke valve is respectively arranged between the interface of valve port and rotary cylinder.
The anglec of rotation of rotary cylinder is limited to 180 ° -200 ° by the reversal valve described in two.
Described agitating paddle is that compartment of terrain is set on the inwall of described cylinder relative to the axisymmetric curved-surface structure of stirring
It is equipped with multiple spoilers axially extended.
Described agitating paddle includes the stainless steel plate of both sides and is clamped between described stainless steel plate and downward projection of
Rubber slab.
Described spoiler is arranged on the bottom of cylinder, and described spoiler is S-shaped structure, and adjacent spoiler is in mirror
Face is symmetrical arranged.
The mechanical wear experiment spray gun of described plastics lens includes cylindrical shell and is fixedly installed on cylindrical shape
The delivery nozzle of housing left end and be fixedly installed on housing right-hand member and the nozzle of air supply with compressed air communication, wherein, cylinder
Shape enclosure interior is formed with runner, and described delivery nozzle is centrally formed with cylindrical channel, and taper is formed with passage right-hand member
Input mouth, taper output mouth is formed with the left end of described passage, the left end of described nozzle of air supply stretch into runner and with
Delivery nozzle keeps interval and afterbody is threadedly coupled with housing, and regulation ring, described regulation are also bolted with described runner
Keep spacing corresponding to form adsorbent chamber on the right side of diffusion chamber, described regulation ring between ring and described delivery nozzle right side
The inlet of sandstone mixed liquor connection is provided with housing.
Described runner left end is formed with the seam that internal diameter becomes big, and the right-hand member insertion of described delivery nozzle is described to be stopped
Intraoral portion and connection fixed thereto, the interior spiral shell for the regulation ring that is formed with to be spirally connected on the internal face of the seam of described housing
Line.
The taper of the input mouth of described delivery nozzle at 50 ° -70 °, the left part male cone (strobilus masculinus) of described nozzle of air supply
Angle is at 20 ° -35 °, and a diameter of 1.3mm of outlet of described nozzle of air supply, the internal diameter of described regulation ring is more than input mouth
Opening inside diameter.
Compared with prior art, the beneficial effects of the invention are as follows：
The mechanical wear device that the present invention is used, synchronous adjustment sand water mixing agitator while abrasive jet wear is carried out
Liquid level, can so be effectively ensured the operating mode of spray gun, it is ensured that blasted condition does not change in process of the test, improve experiment
Effect, moreover, setting laser pen, can effectively improve print and overall horizontal alignment effect, it is ensured that each sample test situation phase
Together, Detection results are improved.
Brief description of the drawings
Fig. 1 show the mechanical wear experimental rig structural representation of the present invention；
Fig. 2 show the structural representation of the mechanical wear experiment spray gun of the present invention；
Fig. 3 show the Section A-A schematic diagram shown in Fig. 2；
Fig. 4 show the structural representation of sand water mixing agitator；
Fig. 5 show the control figure of sand water mixing agitator.
Embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.It should be appreciated that described herein
Specific embodiment only to explain the present invention, be not intended to limit the present invention.
As shown in figure 1, the mechanical wear experimental rig of the present invention includes cabinet 100, driven it can be arranged on up or down
Carrying the bracket 110 of sample in cabinet, be vertically situated at cabinet inner space top and can left and right driven it is reciprocal
The mechanical wear experiment spray gun 200 of mobile plastics lens, is horizontally set on cabinet side and is set to aid in sample to flush
The laser pen 300 put, is arranged on sand water mixing agitator of the side to provide the mixing of sand water to described spray gun outside cabinet,
Described sand water mixing agitator is arranged on crane, and described crane steps up Sha Shui according to flow and working time
The height of mixing agitator so that the change of the liquid level of sand water mixing agitator within a predetermined range.
The mechanical wear device that the present invention is used, synchronous adjustment sand water mixing agitator while abrasive jet wear is carried out
Liquid level, can so be effectively ensured the operating mode of spray gun, it is ensured that blasted condition does not change in process of the test, improve experiment
Effect, moreover, setting laser pen, can effectively improve print and overall horizontal alignment effect, it is ensured that each sample test situation phase
Together, Detection results are improved.
As shown in Figure 2,3, mechanical wear experiment spray gun 200 of the invention includes cylindrical shell 1 and is fixedly installed on
The delivery nozzle 2 of cylindrical shell left end and be fixedly installed on housing right-hand member and the nozzle of air supply 3 with compressed air communication, its
In, cylindrical shell has been internally formed runner 10, and described delivery nozzle is centrally formed with cylindrical channel 4, in passage right-hand member
Taper input mouth 5 is formed with, taper output mouth 6 is formed with the left end of described passage, the left end of described nozzle of air supply 3 is stretched
In air stream enter runner and keep interval with delivery nozzle and afterbody is threadedly coupled with housing, regulation ring is also bolted with described runner
7, keep spacing to be formed on the right side of diffusion chamber, described regulation ring between described regulation ring and described delivery nozzle right side
The inlet 8 of sandstone mixed liquor connection is provided with the corresponding housing of adsorbent chamber, wherein, described regulation ring is arranged on into gas blowout
At the left end of mouth.Specifically, described runner left end is formed with the seam that internal diameter becomes big, and the right-hand member of described delivery nozzle is inserted
Enter inside described seam and connection fixed thereto, the regulation that is spirally connected is formed with the internal face of the seam of described housing
The internal thread of ring.The left surface that the position of described nozzle of air supply left end and regulation ring are adjusted to regulation ring during seam most inner side is neat
It is flat.
The spray gun of the present invention realizes injection flow and can adjust, injection stream cross section can adjust using regulation ring structure,
The sand-blasting machine of particular/special requirement, such as mechanical wear testing machine can be widely used in, and can effectively be drawn using the centre bore of regulation ring
Guiding inject into water sand mixture enter taper input mouth, the range and flow velocity of nozzle can be effectively increased, spray gun has been expanded
Purposes.
Specifically, the taper of the input mouth of described delivery nozzle is at 50 ° -70 °, the left part of described nozzle of air supply
The angle of male cone (strobilus masculinus) is at 20 ° -35 °, outlet a diameter of 1.3mm of described nozzle of air supply, the air inlet of described nozzle of air supply
Taper for taper at 44 ° -60 °, the internal diameter of described regulation ring is more than the opening inside diameter of input mouth, it is preferable that in regulation ring
The ratio of footpath and opening inside diameter is so adjusted between 1.01-1.2 times by multi-parameter, can effectively improve application.It can especially meet
Mechanical wear experiment is done in the detection of automobile lamp lens, can produce the sandblasting required by standard.
As shown in Figures 4 and 5, sand water mixing agitator 400 of the invention includes cylindrical tube 41, can be by described cylinder
The lid 42 of upper opening closing, can be rotatably set in the agitating shaft 43 at described lid center, be fixedly installed on described
The agitating paddle 44 of the lower end of agitating shaft 43, is fixedly installed on the described lid upper surface agitating shaft reciprocating rotation described to drive
Rotary cylinder 45, and can control described rotary cylinder air inlet, go out gaseity switching and realize the commutation of reciprocating rotary to change
Mechanism, wherein described changement includes being fixedly installed on rotary cylinder and the arc of concomitant rotation touches block 46, compartment of terrain
It is fixedly installed on lid and can be with the described normally closed reversal valve 47,48 of two touch types that block is interfered that touches, the commutation
Valve, which only has Pei's arc, i.e. sector to touch block and touch period P-A, to be switched on, and control source of the gas end respectively with described two
Two five-way valves 49 of Pneumatic-control type of reversal valve connection, it is preferable that the valve port and the interface of rotary cylinder of two described five-way valves
Between be respectively arranged with choke valve wherein, the anglec of rotation of rotary cylinder is limited to 180 ° -200 ° by the reversal valve described in two.
Operationally, the initial bit of two five-way valves, reversal valve is all in normally closed state, and respective P-A is in closure state, gas
A mouths from two five-way valves enter and enter B mouthfuls finally from leakage port R or S discharge, and so i.e. driving rotary cylinder is rotated,
When reversal valve 48, which is touched block, to be touched, the P-A conductings of the reversal valve, two five-way valve manual switching stations of gas control, source of the gas is from B
Mouth enters rotary cylinder and discharged through A mouthfuls by leakage port until reversal valve 47 is touched, in this way back and forth.
The sand water mixing agitator of the present invention coordinates changement using rotary cylinder, makes the angle of rotation of its forward and reverse
Degree at >=180 °≤200 °, realize stirring slurry it is positive, it is reverse continuously stir, moreover, using electric motor type Design of Rotation, utilizing
Choke valve adjusts mixing speed；It can control in 0.5s-1.5s, preferably 1s realizations are once reciprocal, make the rotating speed of stirring slurry sufficiently large
So that the silica sand of container bottom can be rolled, it can so be prevented effectively from and dead angle occur and remaining silica sand；Make stirring uniform close to 98%
Degree.Meanwhile, when in use, drain line enters bottom and from bottom withdraw mix close to cylinder inboard wall, using source of the gas conduct
Power so that the mixing of sand water does not contact electric power as far as possible, improves the security of equipment.
Further, to improve mixing effect, described agitating paddle is relative to axisymmetric curved-surface structure is stirred, in institute
Multiple spoilers 410 axially extended are positioned apart from the inwall for the cylinder stated, it is preferable that described spoiler is set
In the bottom of cylinder, and described spoiler is S-shaped structure, and adjacent spoiler is symmetrical arranged or is staggered in minute surface
Deng destroying its symmetrical effect, mixed flow effect can be effectively improved.
Further, to avoid agitating paddle bottom and cylinder body bottom friction, while the stirring effect to bottom is improved, it is described
Agitating paddle including both sides stainless steel plate and be clamped between described stainless steel plate and downward projection of rubber slab, it is described
Rubber slab can be kept closely or directly contacting with cylinder body bottom, it is to avoid bottom is deposited, while ensureing that cylinder is reduced
Abrasion.
Described above is only the preferred embodiment of the present invention, it is noted that for the common skill of the art
For art personnel, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (9)
1. a kind of mechanical wear experimental rig, it is characterised in that including cabinet, use in cabinet driven can be arranged on up or down
To carry the bracket of sample, be vertically situated at cabinet inner space top and can the plastics that move back and forth of left and right driven match somebody with somebody
The mechanical wear experiment spray gun of light microscopic, is horizontally set on cabinet side to the laser pen for aiding in sample to flush setting, sets
Sand water mixing agitator of the side to provide the mixing of sand water to described spray gun outside cabinet；Described plastics lens
Mechanical wear experiment spray gun includes cylindrical shell and the delivery nozzle for being fixedly installed on cylindrical shell left end and fixation is set
Put it is in housing right-hand member and with the nozzle of air supply of compressed air communication, wherein, cylindrical shell has been internally formed runner, described
Delivery nozzle is centrally formed with cylindrical channel, and taper input mouth is formed with passage right-hand member, in the left end shape of described passage
Into there is taper to export mouth, the left end of described nozzle of air supply stretches into runner and keeps interval and afterbody and housing with delivery nozzle
Threaded connection, is also bolted with regulation ring in described runner, is protected between described regulation ring and described delivery nozzle right side
Hold spacing and the connection of sandstone mixed liquor is provided with the corresponding housing of adsorbent chamber on the right side of diffusion chamber, described regulation ring to be formed
Inlet.
2. mechanical wear experimental rig as claimed in claim 1, it is characterised in that described sand water mixing agitator is arranged on
On crane, described crane steps up the height of husky water mixing agitator so that sand water is mixed according to flow and working time
Close the change of liquid level of agitator within a predetermined range.
3. mechanical wear experimental rig as claimed in claim 1 or 2, it is characterised in that described sand water mixing agitator, bag
Cylindrical tube is included, the lid that can close described cylinder upper opening can be rotatably set in described lid center
Agitating shaft, is fixedly installed on the agitating paddle of described agitating shaft lower end, is fixedly installed on described lid upper surface to drive
The rotary cylinder of described agitating shaft reciprocating rotation, and can control described rotary cylinder air inlet, go out gaseity switching to change
Realize the changement of reciprocating rotary, described changement is included being fixedly installed on rotary cylinder and the arc of concomitant rotation is touched
Contact block, compartment of terrain be fixedly installed on lid and can with the described two touch type reversal valves that block is interfered that touch, and
Two five-way valves of Pneumatic-control type that control source of the gas end is connected with two described reversal valves respectively, the valve port of described two five-way valves
It is connected with the interface of rotary cylinder, while being set respectively between the described valve port of two five-way valves and the interface of rotary cylinder
There is choke valve.
4. mechanical wear experimental rig as claimed in claim 3, it is characterised in that reversal valve described in two is by rotary cylinder
The anglec of rotation be limited to 180 ° -200 °.
5. mechanical wear experimental rig as claimed in claim 3, it is characterised in that described agitating paddle is relative to agitating shaft
Symmetrical curved-surface structure, is positioned apart from multiple spoilers axially extended on the inwall of described cylinder.
6. mechanical wear experimental rig as claimed in claim 5, it is characterised in that described agitating paddle includes the stainless of both sides
Steel plate and it is clamped between described stainless steel plate and downward projection of rubber slab.
7. mechanical wear experimental rig as claimed in claim 5, it is characterised in that described spoiler is arranged on the bottom of cylinder
Portion, and described spoiler is S-shaped structure, adjacent spoiler is symmetrical arranged in minute surface.
8. mechanical wear experimental rig as claimed in claim 1, it is characterised in that described runner left end is formed with internal diameter change
Big seam, the described seam inside of right-hand member insertion of described delivery nozzle and connection fixed thereto, in described housing
Be formed with to be spirally connected the internal thread of regulation ring on the internal face of seam.
9. mechanical wear experimental rig as claimed in claim 8, it is characterised in that the cone of the input mouth of described delivery nozzle
Degree is at 50 ° -70 °, and the angle of the left part male cone (strobilus masculinus) of described nozzle of air supply is at 20 ° -35 °, the outlet of described nozzle of air supply
A diameter of 1.3mm, the internal diameter of described regulation ring is more than the opening inside diameter of input mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510157398.4A CN104777052B (en) | 2015-04-03 | 2015-04-03 | Mechanical wear experimental rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510157398.4A CN104777052B (en) | 2015-04-03 | 2015-04-03 | Mechanical wear experimental rig |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104777052A CN104777052A (en) | 2015-07-15 |
| CN104777052B true CN104777052B (en) | 2017-07-25 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510157398.4A Active CN104777052B (en) | 2015-04-03 | 2015-04-03 | Mechanical wear experimental rig |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107389485A (en) * | 2017-07-13 | 2017-11-24 | 浙江工业大学之江学院 | A kind of slag slurry mechanical seal end wear fatigue detecting skid structure |
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| JPH0862113A (en) * | 1994-08-25 | 1996-03-08 | Ishikawajima Harima Heavy Ind Co Ltd | Abrasion test equipment for slurry |
| JPH08145866A (en) * | 1994-11-22 | 1996-06-07 | Yokohama Rubber Co Ltd:The | Moistening abrasion testing machine |
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| CN201653838U (en) * | 2010-03-05 | 2010-11-24 | 湖南省湘电锅炉压力容器检验中心有限公司 | Water erosion test apparatus |
| CN102407495A (en) * | 2011-11-02 | 2012-04-11 | 山东汇通机械制造有限公司 | Shot blast cleaning machine for inner wall of pipe |
| CN102854078A (en) * | 2012-09-18 | 2013-01-02 | 哈尔滨电机厂有限责任公司 | Abrasion testing machine |
| CN102873643A (en) * | 2012-10-19 | 2013-01-16 | 湖南大学 | Device and method for polishing symmetrical optical component of small-caliber rotating shaft |
| CN203401406U (en) * | 2013-02-28 | 2014-01-22 | 宝山钢铁股份有限公司 | Sand supply concentration control device for post-mixing high-pressure jet-cleaning |
| CN103722496A (en) * | 2013-12-25 | 2014-04-16 | 陕西北人印刷机械有限责任公司 | Automatic sandblasting mechanism of cooling roller and sandblasting method |
| CN203989948U (en) * | 2014-09-02 | 2014-12-10 | 西安皓天生物工程技术有限责任公司 | A kind of high efficiency extraction tank |
| CN204649552U (en) * | 2015-04-03 | 2015-09-16 | 天津市精谱科技有限公司 | Mechanical wear test unit |
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2015
- 2015-04-03 CN CN201510157398.4A patent/CN104777052B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0862113A (en) * | 1994-08-25 | 1996-03-08 | Ishikawajima Harima Heavy Ind Co Ltd | Abrasion test equipment for slurry |
| JPH08145866A (en) * | 1994-11-22 | 1996-06-07 | Yokohama Rubber Co Ltd:The | Moistening abrasion testing machine |
| CN201009165Y (en) * | 2006-11-21 | 2008-01-23 | 青岛理工大学 | Grinding burnishing integration liquid supplying device |
| CN201271842Y (en) * | 2008-07-23 | 2009-07-15 | 东莞市东城百通五金机械厂 | Automatic sand-blasting machine suitable for processing double sides of sheet |
| CN201653838U (en) * | 2010-03-05 | 2010-11-24 | 湖南省湘电锅炉压力容器检验中心有限公司 | Water erosion test apparatus |
| CN102407495A (en) * | 2011-11-02 | 2012-04-11 | 山东汇通机械制造有限公司 | Shot blast cleaning machine for inner wall of pipe |
| CN102854078A (en) * | 2012-09-18 | 2013-01-02 | 哈尔滨电机厂有限责任公司 | Abrasion testing machine |
| CN102873643A (en) * | 2012-10-19 | 2013-01-16 | 湖南大学 | Device and method for polishing symmetrical optical component of small-caliber rotating shaft |
| CN203401406U (en) * | 2013-02-28 | 2014-01-22 | 宝山钢铁股份有限公司 | Sand supply concentration control device for post-mixing high-pressure jet-cleaning |
| CN103722496A (en) * | 2013-12-25 | 2014-04-16 | 陕西北人印刷机械有限责任公司 | Automatic sandblasting mechanism of cooling roller and sandblasting method |
| CN203989948U (en) * | 2014-09-02 | 2014-12-10 | 西安皓天生物工程技术有限责任公司 | A kind of high efficiency extraction tank |
| CN204649552U (en) * | 2015-04-03 | 2015-09-16 | 天津市精谱科技有限公司 | Mechanical wear test unit |
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| CN104777052A (en) | 2015-07-15 |
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