CN216695958U - Lead powder apparent density detection device - Google Patents
Lead powder apparent density detection device Download PDFInfo
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- CN216695958U CN216695958U CN202122636583.5U CN202122636583U CN216695958U CN 216695958 U CN216695958 U CN 216695958U CN 202122636583 U CN202122636583 U CN 202122636583U CN 216695958 U CN216695958 U CN 216695958U
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Abstract
The utility model discloses a lead powder apparent density detection device, which comprises: the lead powder feeding device comprises a support provided with a base, wherein a tower type funnel is arranged on the support, and a plurality of folding pieces for buffering the falling of lead powder are fixed in the tower type funnel; the tower type funnel is characterized in that a sampling sieve is arranged above the tower type funnel, a measuring cup is arranged below the tower type funnel, the measuring cup is arranged on a base of the support, and a cup opening of the measuring cup is located under a bottom hole of the tower type funnel. This practical structure is simple, and design cost is lower, is surveyed the lead powder through control and falls into the potential energy of graduated flask, has improved the authenticity and the uniformity of lead powder apparent density detection device's detection data.
Description
Technical Field
The utility model relates to the field of lead storage battery manufacturing, in particular to a lead powder apparent density detection device.
Background
In the production process of the lead storage battery, lead powder manufacturing is an important process, parameters of the production process need to be strictly controlled to ensure the quality of the lead powder, and meanwhile, several important indexes of the characteristics of the lead powder are monitored, wherein the indexes comprise the apparent density of the lead powder. Because the apparent density of the lead powder is a relative index, the authenticity and reproducibility of the measured value of the lead powder have direct influence on the performance index and the production parameter adjustment of the lead powder.
The existing lead powder apparent density detection mode is divided into a manual mode and a mechanical vibration mode, when the manual mode is adopted, the lead powder is sampled firstly and then poured into a sieve, a brush is manually used for brushing the sieve, the lead powder directly falls into a collection measuring cup after passing through the sieve, when the lead powder falls into the measuring cup, the lead powder is stricken off along the upper edge of the cup mouth and then is weighed on an electronic scale, and the apparent density of the lead powder is calculated. The manual mode is because directly fall into the graduated flask after the screening, because of receiving the influence of factors such as the size of exerting oneself when brushing lead powder, sieve apart from the graduated flask distance, external environment wind-force size, causes the impulse that lead powder falls into the graduated flask inconsistent, and the bulk density of lead powder in the graduated flask is inconsistent, and the deviation of measurement is great.
The difference between the mechanical vibration mode and the manual mode is that the lead powder is poured into a sieve after being sampled, and the mechanical vibration sieve is adopted to enable the lead powder to fall into a measuring cup. During mechanical vibration, due to the influence of factors such as the lead powder amount, the change of amplitude, the distance between the sieve and the measuring cup, the external environment wind power and the like, the impulse of the lead powder falling into the measuring cup is inconsistent, the stacking density of the lead powder in the measuring cup is inconsistent, and the measurement deviation is large.
When the apparent density of the lead powder is detected to have measurement deviation, the apparent density of the lead powder cannot be controlled within a required range, and the quality consistency of the lead storage battery is further influenced.
The specification with the publication number of CN 210720053U discloses a lead powder apparent density detection device, which comprises a horizontally arranged support plate, wherein the support plate is supported by a plurality of upright posts, a funnel is arranged on the support plate, a collection cup is arranged below an opening at the lower end of the funnel, two upright plates are arranged on the support plate at intervals, at least two sliding rods are arranged between the two upright plates, each sliding rod is provided with a sliding block in a sliding fit manner, a moving plate is arranged above the sliding rod, a sieve is arranged on the moving plate, a motor is arranged on the support plate, the motor is rotationally connected with a rotating wheel, an eccentric shaft is arranged on the rotating wheel, the eccentric shaft is hinged with a connecting rod, the other end of the connecting rod is hinged with one end of the moving plate, when the motor drives the rotating wheel to rotate, the connecting rod drives the moving plate to do reciprocating linear motion along the sliding rods, and in the process that the moving plate does reciprocating linear motion along the sliding rods, the lower end opening of the sieve is always positioned above the upper end opening of the funnel. The utility model discloses a whole screening process need not the manual work, has saved the manpower, nevertheless can't solve the inconsistent problem of impulse that lead powder falls into the graduated flask.
The specification with the publication number of CN 203785986U discloses an apparent density detection device for lead powder of a lead-acid storage battery, which comprises a power supply system, a control display system, a driving device, a molecular sieve, a vibrator, a scraper plate, a measuring cup, an electronic scale and an anti-pollution bracket, the control display system is connected with the power supply system and arranged on the anti-pollution bracket, the anti-pollution bracket is electrically connected with the control display system, the vibrator is electrically connected with the control display system and fixed on the anti-pollution bracket, the molecular sieve is arranged on the vibrator, the electronic scale is arranged under the molecular sieve through a telescopic mechanism and is electrically connected with the control display system, the measuring cup is arranged on the electronic scale, the driving device is fixed on the anti-pollution support below the vibrator and electrically connected with the control display system, the scraper is connected with the driving device, and the scraping edge of the scraper is flush with the cup opening of the measuring cup. The utility model discloses a realized the automatic detection to lead powder apparent density, its structure is complicated nevertheless, and the control accuracy requires comparatively high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a lead powder apparent density testing device which is simple in structure and low in cost, and the authenticity and consistency of detection data of the lead powder apparent density testing device are improved.
A lead powder apparent density detection device comprises: the lead powder feeding device comprises a support provided with a base, wherein a tower type funnel is arranged on the support, and a plurality of folding pieces for buffering the falling of lead powder are fixed in the tower type funnel; the tower type funnel is characterized in that a sampling sieve is arranged above the tower type funnel, a measuring cup is arranged below the tower type funnel, the measuring cup is arranged on a base of the support, and a cup opening of the measuring cup is located under a bottom hole of the tower type funnel.
Placing the tower type funnel on a support, and placing the measuring cup on a base of the support; and taking the sampling sieve out, putting lead powder to be detected into the sampling sieve, and putting the sampling sieve back to the upper part of the tower type funnel. Brushing the lead powder on the sampling sieve, so that the lead powder falls onto the folding sheet in the tower type funnel through the sampling sieve, and finally falls into the measuring cup through the bottom hole of the tower type funnel after multiple times of buffering. Due to the multiple buffering of the folding piece, the kinetic energy of the lead powder falling into the measuring cup is the distance from the bottom of the folding piece closest to the bottom hole of the tower-type funnel to the measuring cup, so that the measured values of the same test samples are basically the same, and the consistency of the apparent density of the lead powder is ensured.
Support, tower funnel, sample sieve and graduated flask all locate the seal box in, the seal box has eliminated the influence of external environment wind-force to the detection effectively, has realized the sealed of lead powder simultaneously, prevents lead powder outdiffusion, reduces environmental pollution.
A door is arranged on one side of the seal box, and a sealing device is arranged between the door and the box body of the seal box; and a door is arranged on one side of the sealing box, so that the measuring cup can be conveniently taken and placed.
Preferably, a preformed hole is formed in the top surface of the seal box, and a sealing brush for sealing is fixed at the edge of the preformed hole; the preformed hole is used for extending into a lead powder brush so as to brush lead powder on the sieve.
A side plate for supporting the tower type funnel is fixed on a base of the bracket, and a clamping plate erected on the top surface of the side plate is arranged on the outer side wall of the tower type funnel; the side plate supporting tower type funnel is adopted to enhance the firmness and stability of connection.
The folding pieces and the inner wall of the tower type funnel form an included angle of 40-60 degrees; the lead powder to be measured cannot be buffered due to the fact that the included angle is too small, and the lead powder to be measured cannot fall into the measuring cup due to the fact that kinetic energy is insufficient to overcome friction force due to the fact that the included angle is too large.
Preferably, the number of the folding pieces is 3-6, and the folding pieces in the funnel are reasonably arranged to ensure the buffering effect of the lead powder to be tested.
Preferably, the height from the bottom end of the flap closest to the bottom hole of the tower-type funnel to the bottom of the measuring cup is 40-60 mm; lead powder falls from a proper height, and the potential energy obtained by the lead powder to be detected is ensured to be certain.
Compared with the prior art, the utility model has the advantages that:
1. according to the utility model, the authenticity and consistency of detection data of the lead powder apparent density detection device are improved by controlling the potential energy of the detected lead powder falling into the measuring cup.
2. The utility model has simple structure and lower design cost.
Drawings
Fig. 1 is a schematic structural diagram of a lead powder apparent density testing device in an embodiment of the utility model.
Fig. 2 is a schematic view of the structure of the stent shown in fig. 1.
Fig. 3 is a schematic structural view of the tower hopper shown in fig. 1.
Fig. 4 is a partially enlarged schematic view at a shown in fig. 1.
Detailed Description
As shown in fig. 1 to 4, the apparatus for detecting apparent density of lead powder includes: seal box 1 and place support 2, tower funnel 3, sample sieve 4 and graduated flask 5 in seal box 1. The sealing box 1 effectively eliminates the influence of external environment wind power on detection, realizes the sealing of lead powder and reduces environmental pollution.
One side of the sealing box 1 is provided with a double-opening door, and a sealing strip is fixed on the door. Under the sealed test environment of assurance, set up and open the door and conveniently detect getting of measuring cup 5 and put.
A preformed hole 11 is formed in the center of the top surface of the sealing box 1, and sealing brushes inclining downwards are fixed at the edge of the preformed hole 11; the preformed hole 11 is used for extending into a lead powder brush so as to brush lead powder on the sieve; the sealing brush is made of a bristle material and is used for sealing the preformed hole 11 and preventing lead powder from diffusing outwards through the preformed hole 11.
On seal box 1's interior bottom surface was arranged in to support 2, support 2 includes base 21 and is fixed in the curb plate 22 on the base 21, and tower funnel 3's lateral wall is equipped with cardboard 32, and the top surface of curb plate 22 offsets with cardboard 32 for tower funnel 3 erects on support 2, adopts curb plate 22 to support tower funnel 3 and has strengthened the fastness and the stability of connection.
Three folded pieces 31 are welded in the tower type funnel 3, the folded pieces 31 are used for buffering the falling of the lead powder to be tested, and the folded pieces in the funnel are reasonably arranged to ensure the buffering effect of the lead powder to be tested. The folded piece 31 and the inner wall of the tower type funnel 3 form an included angle of 50 degrees, the excessively small included angle between the folded piece 31 and the tower type funnel 3 can result in no buffering effect of the lead powder to be detected, and the excessively large included angle can result in the lead powder to be detected not to fall down because kinetic energy is not enough to overcome friction force.
The measuring cup 5 is arranged below the tower type funnel 3, the cup mouth of the measuring cup 5 is positioned right below the bottom hole of the tower type funnel 3, and the measuring cup 5 is arranged on the base 21 of the support 2 at the moment.
The bottom end of the folding piece 31 closest to the bottom hole of the tower type funnel 3 is 50mm away from the bottom of the measuring cup 5; the lead powder falls down at the height position, so that the potential energy obtained by the lead powder to be detected can be effectively ensured to be certain.
The sampling sieve 4 is arranged above the tower-type funnel 3, the sampling sieve 4 comprises a sieve frame 41 with two layers and a sieve net 42 fixed between the sieve frame 41, and the sieve net 42 of the sampling sieve 4 is positioned under the reserved hole 11.
Opening the door of the seal box 1, putting the bracket 2 into the seal box 1, putting the tower type funnel 3 on the bracket 2, and putting the proper measuring cup 5 on the base 21 of the bracket 2; and taking out the sampling sieve 4, putting lead powder to be detected into the sampling sieve 4, and putting the sampling sieve 4 back to the upper part of the tower type funnel 3.
The brush handle of the lead powder brush extends out of the preformed hole 11 of the sealing box 1 to brush the lead powder on the sampling sieve 4, so that the lead powder falls onto the folding piece 31 in the tower type funnel 3 through the sampling sieve 4. Through the action of gravity, the lead powder to be tested falls into the measuring cup 5 through the buffering of the three folding pieces 31 and finally through the bottom hole of the tower type funnel 3. When the stacking height of the lead powder to be measured in the measuring cup 5 is slightly higher than the upper edge of the cup opening of the measuring cup 5, scraping the redundant lead powder along the cup opening by using a flat plate; and taking out the measuring cup 5, weighing the measuring cup on an electronic scale, and calculating to obtain the apparent density value of the lead powder to be measured.
Due to the three-time buffering of the folding piece 31, the kinetic energy of the finally detected lead powder falling into the measuring cup 5 is the distance from the bottom of the folding piece 31 closest to the bottom hole of the tower-type funnel to the measuring cup 5, so that the same measured values of the samples are basically the same, and the consistency of the apparent density of the lead powder is ensured.
Claims (8)
1. A lead powder apparent density detection device comprises: the lead powder filling device is characterized in that a tower type funnel is arranged on the support, and a plurality of folding pieces used for buffering the falling of lead powder are fixed in the tower type funnel; the tower type funnel is characterized in that a sampling sieve is arranged above the tower type funnel, a measuring cup is arranged below the tower type funnel, the measuring cup is arranged on a base of the support, and a cup opening of the measuring cup is located under a bottom hole of the tower type funnel.
2. The lead powder apparent density detection device of claim 1, wherein the support, the tower-type funnel, the sampling sieve and the measuring cup are all arranged in the sealed box.
3. The apparatus for detecting apparent density of lead powder according to claim 2, wherein a door is provided at one side of the sealed box, and a sealing device is provided between the door and the box body of the sealed box.
4. The apparatus for detecting apparent density of lead powder according to claim 2, wherein a prepared hole is formed on the top surface of the sealing box, and a sealing brush for sealing is fixed to the edge of the prepared hole.
5. The lead powder apparent density detection device according to claim 1, wherein a side plate for supporting the tower-type funnel is fixed on a base of the bracket, and a clamping plate erected on the top surface of the side plate is arranged on the outer side wall of the tower-type funnel.
6. The lead powder apparent density detection device of claim 1, wherein the fold fin and the inner wall of the tower-type funnel form an included angle of 40-60 degrees.
7. The lead powder apparent density detection device of claim 1, wherein the number of the folding pieces is 3-6.
8. The lead powder apparent density detection device as claimed in claim 1, wherein the height from the bottom end of the flap closest to the bottom hole of the tower-type funnel to the bottom of the measuring cup is 40 mm-60 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122636583.5U CN216695958U (en) | 2021-10-28 | 2021-10-28 | Lead powder apparent density detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122636583.5U CN216695958U (en) | 2021-10-28 | 2021-10-28 | Lead powder apparent density detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216695958U true CN216695958U (en) | 2022-06-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122636583.5U Active CN216695958U (en) | 2021-10-28 | 2021-10-28 | Lead powder apparent density detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216695958U (en) |
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2021
- 2021-10-28 CN CN202122636583.5U patent/CN216695958U/en active Active
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