CN109187084A - A kind of apparent density of lead powder sampling and testing device and its working method - Google Patents
A kind of apparent density of lead powder sampling and testing device and its working method Download PDFInfo
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- CN109187084A CN109187084A CN201810623073.4A CN201810623073A CN109187084A CN 109187084 A CN109187084 A CN 109187084A CN 201810623073 A CN201810623073 A CN 201810623073A CN 109187084 A CN109187084 A CN 109187084A
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- lead powder
- sieve
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/02—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring weight of a known volume
- G01N9/04—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring weight of a known volume of fluids
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Abstract
The invention discloses a kind of apparent density of lead powder sampling and testing devices, including base, vibration lead powder sieve, sieve driving motor and collect measuring cup, sieve driving motor is fixedly arranged on base, and vibration lead powder sieve and sieve driving motor are sequentially connected, and is collected measuring cup and is located at below vibration lead powder sieve.The invention also discloses a kind of working methods of apparent density of lead powder sampling and testing device.The present invention uses Mechanical course, human factor influence can be reduced, overcome the problems, such as because same apparent density of lead powder result is inconsistent caused by gimmick hand-manipulated is different, therefore have the accuracy of higher repetitive operation consistency and measurement, really reflects apparent density of lead powder;Since mechanically actuated specific gravity is high, the movement rate of generation, frequency and can the far super manual work of persistence, therefore be greatly improved working efficiency;It is alternative to be accomplished manually simple duplicate labour, mitigate personnel labor intensity;Vibration lead powder sieve shape is optimized, lead powder loss can be reduced.
Description
Technical field
The present invention relates to a kind of lead-acid storage battery production material testing apparatus and related work methods, more specifically, it
It is related to a kind of apparent density of lead powder sampling and testing device and its working method.
Background technique
Lead-acid accumulator is that a kind of security performance is high, and charge-discharge performance is stablized, the extensive new energy product of application field, closely
In the past few years, with the increasingly raising of world energy sources expanding economy and living standards of the people, electrochmical power source development is swift and violent, and plumbic acid stores
Battery requirements amount continues to increase, and the requirement to quality and day increase severely.With what is required power lead acid battery cycle performance
Particular requirement in terms of being continuously improved with related fields initial performance mentions except through production lead-acid storage battery production formula improvement
High test performance improves outside cycle life lead acid storage battery pool structure and active material matching ratio adjustment, must be to lead-acid accumulator
Manufacturing each workshop section's quality of production, more stringent requirements are proposed, lead-acid storage battery production mainly include grid manufacture, lead powder production,
A series of manufacturing process such as mixing paste coated plate, solidification point brush, assembling chemical conversion, only control improve production process technology quality, ability
Drive the performance boost of lead storage battery product.At present during lead-acid storage battery production, active material is mainly made of lead plaster, lead
Cream main component is lead powder, and the influence of the requirement pairing cream quality of apparent density of lead powder is very crucial, and the size of apparent density of lead powder exists
There is specific value range in technique, if do not controlled it, you can't get guarantees for accumulator product performance.Therefore,
The strict demand of apparent density of lead powder is to being key factor that cream quality is closed in control, to the inspection of apparent density of lead powder as most important
A kind of control foundation.What test apparent density of lead powder used at present is all manual operations, and test apparent density of lead powder is used generally
Device is made of several parts: a measuring cup, the sieve of process stipulation mesh number, placement measuring cup fixed height card
Slot, one are hairbrush.The test method taken is as follows: lead powder being poured into the mesh screen of regulation mesh number, determines rim of a cup and sieve the height at bottom
Then lead powder bit by bit swiped through is made lead powder by sieve, naturally falls in the measuring cup positioned at sieve lower part by degree with hairbrush
It is interior, until in measuring cup natural packing lead powder surmount rim of a cup, then scrape off the extra lead powder in measuring cup mouth top with scraper again, claim
Apparent density of lead powder is calculated according to weight after weight.Less reliable, the different operation using the apparent density of lead powder test result of the above method
Personnel are often also different using the same lead powder test result of same test method, are unfavorable for apparent density of lead powder and accurately obtain
It takes.Meanwhile using above-mentioned measuring device and method, the process for the sieve for being run through regulation mesh number with hairbrush brush lead powder by hand is non-
It is often slow, while the lead powder being sieved can not be entirely fallen in measuring cup, or even have 50 or more percent lead powder to fall on outside measuring cup
The waste of resource is caused in face.
Summary of the invention
Existing apparent density of lead powder sampling and testing device and the more dependence manual operation of working method, inefficiency, material
It is lost larger, and test result is easily affected by human factors, and in order to overcome these deficiencies, the present invention provides one kind, and work can be improved
Efficiency reduces material loss, guarantee operational consistency and test result accuracy apparent density of lead powder sampling and testing device and its
Working method.
The technical scheme is that a kind of apparent density of lead powder sampling and testing device, including base, vibration lead powder sieve,
Sieve driving motor and collection measuring cup, sieve driving motor are fixedly arranged on base, and vibration lead powder sieve and sieve driving motor pass
Dynamic connection is collected measuring cup and is located at below vibration lead powder sieve.When this apparent density of lead powder sampling and testing device works, by lead to be sieved
Powder is poured on vibration lead powder sieve, and the operation of sieve driving motor is driven the vibration small size fast vibration of lead powder sieve, made using inertia
Lead powder and vibration lead powder sieve generate relative motion, achieve the effect that screening.Apparent density of lead powder measuring device provided by the invention,
Advantage simple with structure, easy to operate, it is alternative to be accomplished manually simple duplicate labor since screening process is Mechanical course
It is dynamic, mitigate personnel labor intensity, it is effective to improve working environment and improve production efficiency, but also can overcome because of manual operations
The inconsistent problem of same apparent density of lead powder result caused by gimmick is different, thus have higher repetitive operation consistency and
The accuracy of measurement, really reflects apparent density of lead powder.
Preferably, being connected with eccentric drive shaft on the output shaft of sieve driving motor, the output end of eccentric drive shaft is equipped with
Cam pin, vibration lead powder sieve include screen body and sieve fixed frame, and screen body is in kidney ellipsoid, and screen body is fixed on
On sieve fixed frame, sieve fixed frame end is equipped with frame handle, and frame pommel portion is equipped with slot, and cam pin is plugged in slot,
Fixed frame is equipped with pivot at frame handle, and fixed frame is connected on base by pivoting.Eccentric drive shaft is with sieve
When the output shaft rotation of driving motor, since cam pin deviates the axis of eccentric drive shaft, the motion profile of cam pin is circle,
Lateral thrust is generated to slot wall when cam pin moves, while being constrained again due to fixed frame by pivot, cam pin is to frame
The thrust of handle finally makes fixed frame around the pivot reciprocally swinging, generates vibrating effect.The rim of a cup of measuring cup is collected relative to movement
In vibration lead powder sieve form the motion profile of curved arc kidney ellipsoid, therefore kidney ellipsoid is made in screen body, can be to a greater extent
With the rim of a cup matching cover for collecting measuring cup, the sieve scope of activities for falling lead powder in this way, which is as far as possible fallen into, collects measuring cup and is included in range
Interior, avoid causes sieving lead powder to fall range because of mesh structure unreasonable structure does not concentrate, and collects the problems such as lead powder is inefficient.
Preferably, being installed with coaming plate on the sieve fixed frame, coaming plate is centered around around the screen body.Coaming plate
Lead powder thereon can be prevented to drop out except vibration lead powder sieve when the vibration of lead powder sieve vibrating, reduce lead powder loss.
Preferably, being additionally provided with a support rod on base, supporting bar top fixes a cantilever, the fixed suspention one of cantilever end
Item is shakeout, it is above vibration lead powder sieve and parallel with the vibration wire side of lead powder sieve to shakeout item.The effect for shakeouing item is to make
It is limited in the finite region of hunting range when the large particulate matter accumulated during sieve is with vibration lead powder sieve vibration,
It avoids occupying mesh obstruction lead powder sieving, the lead powder of sieving can be enable to drop into rapidly in this way and collected in measuring cup.
Preferably, shakeouing item in triangular prism shape, and a rib is sieved close to vibration lead powder downward positioned at a bottommost is shakeout
The wire side of net.Such structure of shakeouing can make the large particulate matter being blocked shape by size using inclined-plane blocking large particulate matter
It is distributed at echelon, avoids various sizes of large particulate matter from flocking together and mix, hinder lead powder sieving.
Preferably, being installed with funnel stand on base, funnel stand is equipped with funnel, and funnel is located at vibration lead powder sieve
Surface.Lead powder concentration can be made to be poured on the vibration lead powder sieve of limited area using funnel, lead powder is avoided to be spread across vibration lead powder
Outside sieve, material loss is reduced.
A kind of working method of the apparent density of lead powder sampling and testing device, comprising the following steps:
The lead powder being collected into slowly evenly is poured into vibration lead powder sieve with funnel;
Step A opens sieve driving motor simultaneously during carrying out, and makes to vibrate lead powder sieve relative collection measuring cup and do to shake by a small margin
It is dynamic, it falls into sieving lead powder and collects in measuring cup;
When fall into collect measuring cup in lead powder completely cover collect measuring cup on along after, stop sieve driving motor make vibrate lead powder sieve
Net vibration stops, then scrapes off the extra lead powder in collecting amount rim of a cup top with scraper, calculates apparent density of lead powder according to weight after weighing.
It is operated by above-mentioned steps, the use of the apparent density of lead powder sampling and testing device can be made to form specification, be conducive to guarantee
The accuracy of repetitive operation consistency and measurement.
Preferably, the lead powder layer thickness vibrated on lead powder sieve during sieve powder is at most 1cm.When vibration lead powder sieve
On lead powder layer thickness be more than that will affect the mistake of lead powder afterwards to a certain degree to sift out powder rate, therefore being added on vibration lead powder sieve
Lead powder layer control in 1cm hereinafter, it is advantageously ensured that apparent density of lead powder sampling and testing efficiency.
The beneficial effects of the present invention are:
Ensure operational consistency and test result accuracy.The present invention uses Mechanical course, can reduce human factor influence, overcome
Because gimmick hand-manipulated it is different caused by the inconsistent problem of same apparent density of lead powder result, therefore have and higher repeat to grasp
The accuracy for making consistency and measurement, really reflects apparent density of lead powder.
Improve working efficiency.Mechanically actuated specific gravity of the invention is high, the movement rate of generation, frequency and can persistence it is far super
Manual work, therefore it is greatly improved working efficiency.
Reduce personnel labor intensity.The present invention uses Mechanical course, alternative to be accomplished manually simple duplicate labour, mitigates
Personnel labor intensity.
Reduce material loss.Present invention optimizes vibration lead powder sieve shapes, and being allowed to can be under motion state to a greater extent
Ground and the rim of a cup matching cover for collecting measuring cup, the sieve scope of activities for falling lead powder in this way, which is as far as possible fallen into, collects measuring cup and is included in model
In enclosing, lead powder loss is reduced.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of apparent density of lead powder sampling and testing device in the present invention;
Fig. 2 is a kind of side view of apparent density of lead powder sampling and testing device in the present invention;
Fig. 3 is another structural schematic diagram of apparent density of lead powder sampling and testing device in the present invention.
In figure, 1- base, 2- vibrates lead powder sieve, 3- sieve driving motor, and 4- collects measuring cup, 5- eccentric drive shaft, 6-
Cam pin, 7- frame handle, 8- slot, 9- coaming plate, 10- support rod, 11- cantilever, 12- shakeout item, 13- funnel stand, 14- funnel,
15- saddle, 16- iron stand, 17- pivot, 18- crank-pin, 19- crank, 20- sliding rail, 21- turntable.
Specific embodiment
The invention will be further described for specific embodiment with reference to the accompanying drawing.
Embodiment 1:
As shown in Figure 1, 2, a kind of apparent density of lead powder sampling and testing device, including base 1, vibration lead powder sieve 2, sieve driving electricity
Machine 3 and collection measuring cup 4, sieve driving motor 3 are fixedly arranged on base 1, and vibration lead powder sieve 2 and the transmission of sieve driving motor 3 connect
It connects, collects measuring cup 4 and be located at 2 lower section of vibration lead powder sieve.Base 1 includes bracket and two layers of mounting plate, and bracket provides integrated support,
Bottom mounting plate is fixed on bracket, and upper layer mounting plate is fixed on bottom mounting plate in parallel by the pillar of quadrangle, and sieve drives
Dynamic motor 3 is fixed on bottom mounting plate and the output shaft of sieve driving motor 3 extends upward through bottom mounting plate.Sieve driving electricity
Eccentric drive shaft 5 is connected on the output shaft of machine 3, eccentric drive shaft 5 extends upward through upper layer mounting plate, the output of eccentric drive shaft 5
End is equipped with cam pin 6, and the axis of eccentric drive shaft 5 is deviateed in 6 position of cam pin.Vibrating lead powder sieve 2 includes screen body and sieve
Net fixed frame, screen body are fixed on sieve fixed frame.Screen body is in kidney ellipsoid and whole slightly radian, sieve sheet
Except long axis of body length is without departing from collection 4 rim of a cup of measuring cup.Sieve fixed frame end is integrally formed with frame handle 7, and 7 end of frame handle is equipped with
Slot 8, cam pin 6 are plugged in slot 8, and fixed frame is equipped with pivot 17 at frame handle 7, fixed frame by pivot 17 and
Attached bearing is rotatably connected on base 1 on pivot 17, and pivot 17 is equipped with step structure and makes pivot 17 up-thin-low-thick, is sieved
Net fixed frame bottom surface is supported by the step structure of pivot 17.Coaming plate made of stainless steel is installed on the sieve fixed frame
9, coaming plate 9 is centered around around the screen body.A support rod 10 is additionally provided on the upper layer mounting plate of base 1, during pivot 17 is
Hollow structure, support rod 10, which is worn, is connected in 17 center of pivot.A cantilever 11, the fixed suspention one in 11 end of cantilever are fixed in 10 top of support rod
Item 12 is shakeout, it is above vibration lead powder sieve 2 and parallel with the vibration wire side of lead powder sieve 2 to shakeout item 12.Shakeouing item 12 is in
Triangular prism shape, and a rib approaches the wire side of vibration lead powder sieve 2 positioned at 12 bottommost of item is shakeout downward.Measuring cup 4 is collected to place
On a liftable saddle 15, saddle 15 is mounted on one independently of on the iron stand 16 outside base 1.Saddle 15 is transferred to suitable height
Degree keeps collection measuring cup 4 8mm lower than vibration 2 position of lead powder sieve, the lead powder fallen concentration can in this way fallen into measuring cup, base 1
Upper layer mounting plate on be installed with funnel stand 13, funnel stand 13 is equipped with funnel 14, and funnel 14 is located at vibration lead powder sieve 2
Surface.14 exit of funnel, which is equipped with, adjusts slide valve, for adjusting lead powder descent rate.
A kind of working method of the apparent density of lead powder sampling and testing device, comprising the following steps:
A. the lead powder being collected into slowly evenly is poured into the funnel 14 of 2 top of vibration lead powder sieve with funnel 14, is opened
The adjusting slide valve of funnel 14 falls into lead powder slowly evenly in following vibration lead powder sieve 2;
B. sieve driving motor 3 is opened simultaneously during step A is carried out, keeps the vibration lead powder sieve 2 for collecting 4 top of measuring cup opposite
Collection measuring cup 4 is done to be swung by a small margin, is fallen into sieving lead powder and is collected in measuring cup 4;
C. when fall into collect measuring cup 4 in lead powder completely cover collect measuring cup 4 on along after, stop sieve driving motor 3 make to vibrate
The vibration of lead powder sieve 2 stops, then is scraped off with scraper and collect the extra lead powder in 4 mouthfuls of tops of measuring cup, calculates lead according to weight after weighing
Powder apparent density.
The lead powder layer thickness control on lead powder sieve 2 is vibrated during sieve powder in 1cm or hereinafter, shakeouts item 12 and vibration lead
The spacing of 2 wire side of dressing sieve net adjusts to 5mm or hereinafter, sieving lead powder is made to be filled with the time control for collecting measuring cup 4 at 2~5 minutes.
Embodiment 2:
Base 1 includes bracket and the mounting plate being connected on bracket, and net driving motor 3 is fixed on a mounting board and sieve driving is electric
The output shaft of machine 3 extends upward through mounting plate.As shown in figure 3, being keyed a turntable 21 on the output shaft of sieve driving motor 3, turn
One end rotation of the crank-pin 18 of the prominent disk of disk 21 fixed one, a crank 19 is socketed on crank-pin 18.The mounting plate top of base 1
Face is equipped with sliding rail 20, and frame handle 7 is slidably connected on sliding rail 20 by being fixed on the sliding block of 7 bottom of frame handle, crank 19 it is another
End is articulated on sliding block.When sieve driving motor 3 is run, drive vibration lead powder sieve 2 along sliding rail 20 by turntable 21, crank 19
Make straight reciprocating motion.Correspondingly, the kidney ellipsoid of rule is made in the screen body for vibrating lead powder sieve 2, so that collecting 4 glasss of measuring cup
Mouth is matched with the motion profile of screen body.It is 15mm lower than vibration 2 position of lead powder sieve to collect measuring cup 4.Remaining is the same as embodiment 1.
Embodiment 3:
It is 25mm lower than vibration 2 position of lead powder sieve to collect measuring cup 4.Remaining is the same as embodiment 1.
Claims (9)
1. a kind of apparent density of lead powder sampling and testing device, it is characterized in that including base (1), vibration lead powder sieve (2), sieve driving
Motor (3) and collection measuring cup (4), sieve driving motor (3) are fixedly arranged on base (1), and vibration lead powder sieve (2) and sieve drive
Motor (3) transmission connection is collected measuring cup (4) and is located at below vibration lead powder sieve (2).
2. apparent density of lead powder sampling and testing device according to claim 1, it is characterized in that the output of sieve driving motor (3)
It is connected on axis eccentric drive shaft (5), the output end of eccentric drive shaft (5) is equipped with cam pin (6), and vibration lead powder sieve (2) includes
Screen body and sieve fixed frame, screen body are in kidney ellipsoid, and screen body is fixed on sieve fixed frame, and sieve is fixed
Frame ends are equipped with frame handle (7), and frame handle (7) end is equipped with slot (8), and cam pin (6) is plugged in slot (8), fixed frame
Pivot is equipped at frame handle (7), fixed frame is connected on base (1) by pivoting.
3. apparent density of lead powder sampling and testing device according to claim 2, it is characterized in that solid on the sieve fixed frame
Equipped with coaming plate (9), coaming plate (9) is centered around around the screen body.
4. apparent density of lead powder sampling and testing device according to claim 1, characterized in that collect measuring cup (4) and be placed on one
On liftable saddle (15), saddle (15) is mounted on one independently of on the outer iron stand (16) of base (1).
5. apparent density of lead powder sampling and testing device according to claim 1, it is characterized in that being additionally provided with a support on base (1)
Bar (10), support rod (10) top are fixed a cantilever (11), and item (12) are shakeout in the fixed suspention one in cantilever (11) end, shakeout item
(12) it is located above vibration lead powder sieve (2) and parallel with the vibration wire side of lead powder sieve (2).
6. apparent density of lead powder sampling and testing device according to claim 5, it is characterized in that shakeouing item (12) is in triangular prism shape,
And a rib approaches the wire side of vibration lead powder sieve (2) positioned at item (12) bottommost is shakeout downward.
7. apparent density of lead powder sampling and testing device according to any one of claim 1 to 6, it is characterized in that on base (1)
It is installed with funnel stand (13), funnel stand (13) is equipped with funnel (14), and funnel (14) is located in vibration lead powder sieve (2) just
Side.
8. a kind of working method of apparent density of lead powder sampling and testing device described in claim 1, it is characterized in that including following step
It is rapid:
The lead powder being collected into slowly evenly is poured into vibration lead powder sieve (2) with funnel;
Step A opens sieve driving motor (3) simultaneously during carrying out, and does vibration lead powder sieve (2) relative collection measuring cup (4)
It vibrates by a small margin, falls into sieving lead powder and collect in measuring cup (4);
When fall into collect measuring cup (4) in lead powder completely cover collect measuring cup (4) on along after, stop sieve driving motor (3) make
It vibrates lead powder sieve (2) vibration to stop, then is scraped off with scraper and collect the extra lead powder in measuring cup (4) mouth top, according to weight after weighing
Amount calculates apparent density of lead powder.
9. working method according to claim 8, it is characterized in that vibrating the lead powder layer on lead powder sieve (2) during sieve powder
Thickness is at most 1cm.
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CN201810623073.4A CN109187084A (en) | 2018-06-15 | 2018-06-15 | A kind of apparent density of lead powder sampling and testing device and its working method |
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CN201810623073.4A CN109187084A (en) | 2018-06-15 | 2018-06-15 | A kind of apparent density of lead powder sampling and testing device and its working method |
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CN206208690U (en) * | 2016-12-02 | 2017-05-31 | 安徽艾克瑞德科技有限公司 | A kind of lead powder apparent gravity testing equipment |
CN206974850U (en) * | 2017-07-07 | 2018-02-06 | 超威电源有限公司 | One kind measurement lead powder apparent gravity device |
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Patent Citations (6)
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KR100805776B1 (en) * | 2006-08-31 | 2008-02-21 | 한국기초과학지원연구원 | Free falling type precursor feeding apparatus for inductive coupled plasma nano powder reactor |
CN202562825U (en) * | 2012-01-16 | 2012-11-28 | 湖州长广浩天电源有限公司 | Apparent density tester for lead powder |
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