阅读说明：本技术 一种降低负极板内阻的制造装置及方法 (Manufacturing device and method for reducing internal resistance of negative plate ) 是由 聂波 于 2021-08-26 设计创作，主要内容包括：本发明公开了一种降低负极板内阻的制造装置及方法,包括搅拌釜,所述搅拌釜内设置有双区搅拌结构,所述双区搅拌结构包括设置在所述搅拌釜内且相互连通的两个搅拌室和设置在两个搅拌室连通处的交叉连通单元,本发明中原料添加在两个搅拌室内并由辅助交叉混合单元搅拌混合,并通过交叉连通单元对两个搅拌室内壁处的混合原料相互流动进行交叉混合,使得两个搅拌室内壁处不同深度和不同区域的混合原料脱离搅拌室内壁交叉混合,进一步提高了混合原料的混合均匀性,避免了混合原料在离心力的作用下与搅拌室内壁贴合导致部分深度和区域产生包裹性组分造成未能有效混合的问题,提高了铅膏的质量,降低了后续生产处的负极板的内阻。(The invention discloses a manufacturing device and a method for reducing the internal resistance of a negative plate, which comprises a stirring kettle, wherein a double-zone stirring structure is arranged in the stirring kettle, the double-zone stirring structure comprises two stirring chambers which are arranged in the stirring kettle and are mutually communicated and a cross communication unit arranged at the communication position of the two stirring chambers, raw materials are added into the two stirring chambers and are stirred and mixed by an auxiliary cross mixing unit, and mixed raw materials at the inner walls of the two stirring chambers flow mutually through the cross communication unit to be cross mixed, so that the mixed raw materials at different depths and different areas at the inner walls of the two stirring chambers are separated from the inner walls of the stirring chambers to be cross mixed, the mixing uniformity of the mixed raw materials is further improved, and the problem that the mixed raw materials are not effectively mixed due to the fact that wrapping components are generated in part of the depths and the areas because the mixed raw materials are attached to the inner walls of the stirring chambers under the action of centrifugal force is avoided, the quality of the lead plaster is improved, and the internal resistance of the negative plate at the subsequent production position is reduced.)

1. A manufacturing device for reducing the internal resistance of a negative plate is characterized in that: the device comprises a stirring kettle (1), wherein a double-zone stirring structure (2) is arranged in the stirring kettle (1), and raw materials are added and mixed in a partition manner by the double-zone stirring structure (2) and are cross-mixed through centrifugation;

the double-zone stirring structure (2) comprises two stirring chambers (201) which are arranged in the stirring kettle (1) and are communicated with each other and cross communication units (202) which are arranged at the communicated positions of the two stirring chambers (201), each stirring chamber (201) is internally provided with an auxiliary cross mixing unit (203), the auxiliary cross mixing unit (203) is used for mixing raw materials and assisting the raw materials after mixing to be crossed and exchanged with the raw materials in the adjacent stirring chambers (201) through the cross communication units (202), and meanwhile, the cross distribution and interchange of the mixed raw materials are carried out by the control paths of the cross communication units (202).

2. The manufacturing apparatus for reducing the internal resistance of a negative plate as set forth in claim 1, wherein: cross intercommunication unit (202) including set up two be used for communicateing two between teeter chamber (201) breach groove (204) of teeter chamber (201), bottom central authorities are provided with connecting axle (205) in breach groove (204), use the axis to be central symmetry on connecting axle (205) be provided with a plurality ofly with sweep flitch (206) of breach groove (204) inner wall contact, just sweep flitch (206) central symmetry and set up on connecting axle (205), and by connecting axle (205) drive is a plurality of sweep flitch (206) cyclic motion and exchange two mix the raw materials in teeter chamber (201).

3. The manufacturing apparatus for reducing the internal resistance of a negative plate as set forth in claim 2, wherein: connecting axle (205) include with lower semi-axis (207) that the bottom is connected in breach groove (204) and with last semi-axis (208) that the top is connected in breach groove (204), the tip of lower semi-axis (207) upwards extends concentrically and is provided with traveller (209) that a plurality of diameters reduce in proper order, the tip of going up semi-axis (208) is provided with and is used for the slip cover to establish a plurality of outer cascaded cover groove (210) of traveller (209), and a plurality of sweep flitch (206) and equally divide the setting and be in on last semi-axis (208) and lower semi-axis (207), and by go up semi-axis (208) with semi-axis (207) reverse motion drive corresponds sweep flitch (206) and rotate the exchange raw materials.

4. The manufacturing apparatus for reducing the internal resistance of a negative plate as set forth in claim 3, wherein: sweep flitch (206) include with plate body (211) that connecting axle (205) are connected are in with the setting plate body (211) one side and with tangent arc wall (212) of connecting axle (205) outer wall, just the diameter of arc wall (212) with the diameter of teeter chamber (201) is the same, and connecting axle (205) control sweep flitch (206) rotate during certain angle arc wall (212) intrados with correspond teeter chamber (201) inner wall place curved surface laminates.

5. The manufacturing apparatus for reducing the internal resistance of a negative plate as set forth in claim 4, wherein: the number of the material sweeping plates (206) is four, and the two material sweeping plates (206) on the upper half shaft (208) and the two material sweeping plates (206) on the lower half shaft (207) are symmetrically arranged by taking the axis center of the connecting shaft (205) and one radial section of the connecting shaft (205) as a symmetrical plane.

6. The manufacturing apparatus for reducing the internal resistance of a negative plate as set forth in claim 5, wherein: plate body (211) one side is provided with arc limit (213), just arc limit (213) with arc wall (212) set up on two lateral walls that back on the back of the body (211), arc limit (213) extend to keep away from on plate body (211) the tip of connecting axle (205) and with the intrados face of arc wall (212) is connected.

7. The manufacturing apparatus for reducing the internal resistance of a negative plate as set forth in claim 6, wherein: the upper half shaft (208) and the lower half shaft (207) are respectively provided with a limiting component (214) which is positioned at a corresponding position in the side wall of the gap groove (204), and the limiting components (214) limit the rotation of the upper half shaft (208) and the lower half shaft (207) when the sweeping plate (206) rotates until the inner arc surface of the arc-shaped groove (212) is attached to the curved surface of the inner wall of the stirring chamber (201);

spacing part (214) is including setting up cavity (215) in breach groove (204) lateral wall and along the horizontal direction setting are in horizontal plate (216) on cavity (215) inner wall, it establishes to have seted up the slip cover on horizontal plate (216) logical groove (217) on connecting axle (205) outer wall, be provided with spacing groove (218) along the horizontal direction on the inner wall that leads to groove (217), there are spacing post (220) through spring (219) sliding connection in spacing groove (218), the interior bottom of spacing groove (218) is provided with and is used for control electro-magnet (221) of spacing post (220) motion, it is provided with horizontal slot (222) to run through along the horizontal direction on connecting axle (205).

8. The manufacturing apparatus for reducing the internal resistance of a negative plate as claimed in claim 7, wherein: the auxiliary cross mixing unit (203) comprises a stirring shaft (223) arranged in the stirring chamber (201) and a plurality of stirring blades (224) arranged on the peripheral outer wall of the stirring shaft (223), a scraping plate (225) is obliquely arranged on the end part, far away from the stirring shaft (223), of each stirring blade (224), and a guide mixing component (226) is arranged on one side, far away from the inner bottom of the stirring chamber (201), of each scraping plate (225);

the angle between the surface of the scraper (225) far away from the stirring chamber (201) and the movement direction of the scraper (225) is larger than 90 degrees, and the scraper (225) pushes the mixed raw materials exchanged on one side of the sweeping plate (206) and is assisted by the guide mixing component (226) to be mixed and dispersed when the sweeping plate (206) rotates to the state that the inner arc surface of the arc-shaped groove (212) is attached to the curved surface of the inner wall of the stirring chamber (201).

9. The manufacturing apparatus for reducing the internal resistance of a negative plate as claimed in claim 8, wherein: the guiding and mixing part (226) comprises a plurality of arc-shaped plates (227) which are arranged on one side of the scraper (225) at equal intervals, and an arc-shaped guiding seat (228) is arranged on one side of each arc-shaped plate (227) far away from the highest position of the scraper (225);

the arc-shaped plate (227) positioned at the highest position of the surface of the scraper (225) extends to one side of the scraper (225) to be contacted with the sweeping plate (206), and the arc-shaped radius and the arc-shaped height on each arc-shaped guide seat (228) are different and are tangent to the surface of the scraper (225).

10. A manufacturing method of the manufacturing apparatus for reducing the internal resistance of the negative plate according to any one of claims 1 to 9, characterized in that: comprises the steps of (a) carrying out,

s100, preparing two identical raw materials, adding the raw materials into two stirring chambers, and stirring and mixing the raw materials through an auxiliary cross mixing unit;

s200, after the raw materials are mixed for a certain time, driving the upper half shaft and the lower half shaft to rotate to drive the corresponding sweeping plate to rotate in the reverse direction, carrying the mixed raw materials with different depths near the inner wall of the stirring chamber into the corresponding stirring chamber by the arc-shaped groove on the sweeping plate, and limiting the rotation of the connecting shaft by the limiting part when the inner arc surface of the arc-shaped groove is attached to the curved surface of the inner wall of the corresponding stirring chamber;

s300, pushing mixed raw materials in other stirring chambers carried in the arc-shaped grooves to slide along the surface through the auxiliary cross mixing units, and enabling the mixed raw materials to enter the arc-shaped plates and be guided by the arc-shaped guide seats to be mixed with the mixed raw materials in different depths in the stirring chambers.

Technical Field

The invention relates to the technical field of mixing and stirring, in particular to a manufacturing device and method for reducing the internal resistance of a negative plate.

Background

The negative plate is characterized in that the negative plate is a negative plate with negative electrode potential in the battery, generally comprises a negative plate grid and lead plaster, the lead plaster is coated on the negative plate grid and compacted and dried, the lead plaster is adhered on the negative plate grid to form the negative plate of the battery, the lead plaster is generally mixed and stirred by lead powder, water, sulfuric acid and an additive, physical change and chemical change are generated in the mixing and stirring process to form a plastic paste mixture, and the paste mixture comprises lead oxide, basic lead sulfate, metallic lead, lead hydroxide, water and the additive.

The lead paste is generally prepared by uniformly mixing and stirring lead powder, water, sulfuric acid and an additive through a paste mixer, the paste mixer is used for mixing various components in a stirring chamber through stirring blades, the components form paste in the stirring and mixing process, the components are attached to the inner wall of the stirring chamber under the action of centrifugal force, the stirring and mixing effects of the components at the position are poor through the stirring blades, the stirring positions of the components are fixed, the components positioned on the inner wall of the stirring chamber cannot be effectively mixed, the components with wrapping property in partial depth and regions are not effectively mixed, the mixing uniformity and the forming quality of the lead paste are affected, and the internal resistance of a manufactured negative plate is increased.

Disclosure of Invention

The invention aims to provide a manufacturing device and a manufacturing method for reducing the internal resistance of a negative plate, which solve the problem that the internal resistance of the produced negative plate is increased because wrapping components are not effectively mixed in the depth and the area of the inner part of a mixed raw material near the inner wall because centrifugal force acts on the inner wall of a stirring chamber and the stirring position is fixed when the existing lead paste is prepared into paste by mixing.

In order to solve the technical problems, the invention specifically provides the following technical scheme:

a manufacturing device for reducing the internal resistance of a negative plate comprises a stirring kettle, wherein a double-region stirring structure is arranged in the stirring kettle, and raw materials are added into the double-region stirring structure in a partition manner, mixed and subjected to centrifugal cross mixing;

the stirring structure of two districts is including setting up in the stirred tank and two teeter chambers that communicate each other and set up the alternately intercommunication unit in two teeter chamber intercommunication departments, every all be provided with supplementary alternately mixed unit in the teeter chamber, just supplementary alternately mixed unit mixes raw materials and supplementary raw materials after mixing and alternately exchanges through alternately communicating unit and the raw materials in the adjacent teeter chamber, carries out alternately reposition of redundant personnel by alternately communicating unit control route simultaneously and exchanges mixed raw materials.

As a preferable scheme of the present invention, the cross communication unit includes a gap groove disposed between the two stirring chambers for communicating the two stirring chambers, a connecting shaft is disposed at the center of the bottom in the gap groove, a plurality of sweeping plates contacting with the inner wall of the gap groove are symmetrically disposed on the connecting shaft with an axis as a center, and the sweeping plates are centrally symmetrically disposed on the connecting shaft and are driven by the connecting shaft to move circularly to exchange the mixed raw materials in the two stirring chambers.

As a preferable scheme of the invention, the connecting shaft comprises a lower half shaft connected with the bottom in the notch groove and an upper half shaft connected with the top in the notch groove, the end of the lower half shaft extends upwards concentrically and is provided with a plurality of sliding columns with successively reduced diameters, the end of the upper half shaft is provided with a stepped sleeve groove for slidably sleeve the plurality of sliding columns, and the plurality of sweeping plates are arranged on the upper half shaft and the lower half shaft equally and driven by the upper half shaft and the lower half shaft to rotate corresponding to the sweeping plates to exchange raw materials.

As a preferable scheme of the invention, the sweeping plate comprises a plate body connected with the connecting shaft and an arc-shaped groove arranged on one side of the plate body and tangent to the outer wall of the connecting shaft, the diameter of the arc-shaped groove is the same as that of the stirring chamber, and when the connecting shaft controls the sweeping plate to rotate for a certain angle, the inner arc surface of the arc-shaped groove is attached to the curved surface corresponding to the inner wall of the stirring chamber.

As a preferable scheme of the present invention, the number of the sweeping plates is four, and the two sweeping plates located on the upper half shaft and the two sweeping plates located on the lower half shaft are symmetrically arranged with respect to an axis center of the connecting shaft and with respect to one radial section of the connecting shaft as a symmetric plane.

As a preferable scheme of the invention, an arc-shaped edge is arranged on one side of the plate body, the arc-shaped edge and the arc-shaped groove are arranged on two opposite side walls of the plate body, and the arc-shaped edge extends to the end part, far away from the connecting shaft, of the plate body and is connected with the inner arc surface of the arc-shaped groove.

As a preferable scheme of the invention, the upper half shaft and the lower half shaft are both provided with a limiting part located at a corresponding position in the side wall of the gap groove, and the limiting parts limit the rotation of the upper half shaft and the lower half shaft when the sweeping plate rotates until the inner arc surface of the arc-shaped groove is attached to the curved surface where the inner wall of the stirring chamber is located;

spacing part is including setting up cavity in the breach lateral wall and setting up along the horizontal direction horizontal plate on the cavity inner wall, it establishes to have seted up the slip cover on the horizontal plate connect logical groove on the axle outer wall, be provided with the spacing groove along the horizontal direction on the inner wall that leads to the groove, there is spacing post spacing inslot through spring sliding connection, the interior bottom of spacing groove is provided with and is used for control the electro-magnet of spacing post motion, it is provided with horizontal slot to run through along the horizontal direction on the connecting axle.

As a preferable scheme of the present invention, the auxiliary cross mixing unit includes a stirring shaft disposed in the stirring chamber and a plurality of stirring blades disposed on the outer wall of the circumferential side of the stirring shaft, a scraper is obliquely disposed on an end portion of each stirring blade away from the stirring shaft, and a guiding mixing component is disposed on a side of the scraper away from the bottom of the stirring chamber;

the angle between the surface of the scraper far away from the stirring chamber and the movement direction of the scraper is greater than 90 degrees, and the scraper pushes mixed raw materials exchanged on one side of the sweeping plate when the sweeping plate rotates to the curved surface of the inner arc surface of the arc-shaped groove and the curved surface of the inner wall of the stirring chamber to be attached, and the mixed raw materials are mixed and dispersed by the guide mixing component in an auxiliary manner.

As a preferable scheme of the invention, the guiding and mixing component comprises a plurality of arc-shaped plates which are arranged on one side of the scraper at equal intervals, and one side of each arc-shaped plate, which is far away from the highest position of the scraper, is provided with an arc-shaped guiding seat;

the arc-shaped plate located at the highest position of the surface of the scraper extends to one side of the scraper to be in contact with the sweeping plate, and the radius and the height of the arc surface on each arc surface guide seat are different and are tangent to the surface of the scraper.

In order to solve the above technical problems, the present invention further provides the following technical solutions:

a manufacturing method of a manufacturing device for reducing the internal resistance of a negative plate comprises the steps of,

s100, preparing two identical raw materials, adding the raw materials into two stirring chambers, and stirring and mixing the raw materials through an auxiliary cross mixing unit;

s200, after the raw materials are mixed for a certain time, driving the upper half shaft and the lower half shaft to rotate to drive the corresponding sweeping plate to rotate in the reverse direction, carrying the mixed raw materials with different depths near the inner wall of the stirring chamber into the corresponding stirring chamber by the arc-shaped groove on the sweeping plate, and limiting the rotation of the connecting shaft by the limiting part when the inner arc surface of the arc-shaped groove is attached to the curved surface of the inner wall of the corresponding stirring chamber;

s300, pushing mixed raw materials in other stirring chambers carried in the arc-shaped grooves to slide along the surface through the auxiliary cross mixing units, and enabling the mixed raw materials to enter the arc-shaped plates and be guided by the arc-shaped guide seats to be mixed with the mixed raw materials in different depths in the stirring chambers.

Compared with the prior art, the invention has the following beneficial effects:

according to the invention, the raw materials are added into the two stirring chambers and are stirred and mixed by the auxiliary cross mixing unit, and the mixed raw materials at the inner walls of the two stirring chambers flow and are cross-mixed with each other through the cross communication unit, so that the mixed raw materials at different depths and different regions at the inner walls of the two stirring chambers are separated from the inner walls of the stirring chambers and are cross-mixed, the mixing uniformity of the mixed raw materials is further improved, the problem that the mixed raw materials are not effectively mixed due to wrapping components generated in partial depths and regions caused by the fact that the mixed raw materials are attached to the inner walls of the stirring chambers under the action of centrifugal force is solved, the quality of lead paste is improved, and the internal resistance of a negative plate at a subsequent production position is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

Fig. 1 is a schematic structural diagram of a manufacturing apparatus for reducing the internal resistance of a negative plate according to an embodiment of the present invention;

FIG. 2 is a schematic side view of a cross-connection unit according to an embodiment of the present invention;

fig. 3 is an enlarged view of a portion a shown in fig. 2 according to an embodiment of the present invention.

The reference numerals in the drawings denote the following, respectively:

1-a stirred tank; 2-a double-zone stirring structure;

201-a stirring chamber; 202-cross-connect unit; 203-auxiliary cross-mixing unit; 204-a notch groove; 205-a connecting shaft; 206-sweeping material plate; 207-lower half shaft; 208-upper half shaft; 209-sliding column; 210-stepped jacket groove; 211-plate body; 212-an arc-shaped slot; 213-arc edge; 214-a stop member; 215-a cavity; 216-horizontal plate; 217-through groove; 218-a limiting groove; 219-a spring; 220-a limiting column; 221-an electromagnet; 222-a horizontal slot; 223-a stirring shaft; 224-stirring fan blades; 225-a scraper; 226-directing the mixing component; 227-an arc-shaped plate; 228-arc guide.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1:

as shown in fig. 1 to 3, the present invention provides a manufacturing apparatus for reducing the internal resistance of a negative plate, comprising a stirring tank 1, wherein a dual-zone stirring structure 2 is arranged in the stirring tank 1, and the dual-zone stirring structure 2 adds raw materials in different zones for mixing and performs centrifugal cross mixing;

the double-zone stirring structure 2 comprises two stirring chambers 201 which are arranged in the stirring kettle 1 and are communicated with each other and a cross communication unit 202 arranged at the communication position of the two stirring chambers 201, wherein an auxiliary cross mixing unit 203 is arranged in each stirring chamber 201, the auxiliary cross mixing unit 203 is used for mixing raw materials and assisting the mixed raw materials to be cross exchanged with the raw materials in the adjacent stirring chambers 201 through the cross communication unit 202, and meanwhile, the cross communication unit 202 is used for controlling paths to perform cross flow distribution exchange to mix the raw materials.

When the invention is used, raw materials of each component are uniformly added into the two stirring chambers 201, and the raw materials are stirred and mixed through the auxiliary cross mixing unit 203, so that the raw materials of each component are effectively mixed.

Open the cross path through cross intercommunication unit 202 after mixing a period of time, the mixed raw materials intercrossing that control is located near two teeter chamber 201 inner walls mixes, make because the centrifugal force laminating takes place to flow and intercrossing mixes at the mixed raw materials near teeter chamber 201 inner wall, and make the mixed raw materials of different degree of depth and different regions take place to flow and cross mix, avoided mixed raw materials to lead to partial degree of depth and regional production parcel nature component to cause the problem of failing to effectively mix under the effect of centrifugal force with the teeter chamber inner wall laminating, the homogeneity that the raw materials mix has been improved, make the lead plaster quality of producing obtain improving, the internal resistance of the negative plate of producing has been reduced.

The cross communication unit 202 comprises a gap groove 204 which is arranged between the two stirring chambers 201 and used for communicating the two stirring chambers 201, a connecting shaft 205 is arranged at the center of the bottom in the gap groove 204, a plurality of sweeping plates 206 which are in contact with the inner wall of the gap groove 204 are symmetrically arranged on the connecting shaft 205 by taking an axis as a center, the sweeping plates 206 are symmetrically arranged on the connecting shaft 205 in the center, and the plurality of sweeping plates 206 are driven by the connecting shaft 205 to circularly move to exchange mixed raw materials in the two stirring chambers 201.

When the component materials are added into the stirring chambers 201 and are stirred and mixed by the auxiliary cross mixing unit 203, the material sweeping plate 206 is fixed in position and contacts with the inner wall of the notch groove 204 to limit the mutual flowing of the mixed materials between the two stirring chambers 201, and the effective mixing of the component materials is ensured to form a paste.

After each component raw materials stirring mixes a period of time, drive connecting axle 205 rotates, sweep flitch 206 by connecting axle 205 drive and rotate, it stretches into in corresponding teeter chamber 201 and promote at the pivoted in-process and carry partial mixed raw materials to another teeter chamber 201 to sweep flitch 206 to rotate by sweeping flitch 206, make near the mixed raw materials of two teeter chamber 201 inner walls take place to flow and carry out the interchange, the stirring mixing state of mixed raw materials is destroyed near the teeter chamber 201 inner wall, the mixed raw materials of different degree of depth and different region department all takes place to flow and mixes under the stirring state of difference, the problem of mixing raw materials and teething room inner wall laminating lead to partial degree of depth and regional production parcel nature component to cause to fail effective mixing under the effect of centrifugal force has been avoided. The production quality of the lead paste is improved, and the internal resistance of the negative plate is effectively reduced.

Further, when the sweeping plate 206 sweeps a part of the mixed raw materials into another mixing chamber 201, the end of the sweeping plate 206 should be located inside the notch groove 204, so as to avoid the interference between the sweeping plate 206 and the auxiliary cross mixing unit 203, which may cause equipment failure.

The connecting shaft 205 comprises a lower half shaft 207 connected with the bottom in the notch groove 204 and an upper half shaft 208 connected with the top in the notch groove 204, the end part of the lower half shaft 207 extends upwards concentrically and is provided with a plurality of sliding columns 209 with successively reduced diameters, the end part of the upper half shaft 208 is provided with a stepped sleeve groove 210 for slidably sleeving the plurality of sliding columns 209, and the plurality of sweeping plates 206 are arranged on the upper half shaft 208 and the lower half shaft 207 in a sharing way, and the corresponding sweeping plates 206 are driven by the reverse movement of the upper half shaft 208 and the lower half shaft 207 to rotate for exchanging raw materials.

Considering that the paste formed by the mixed raw materials is sticky and the resistance generated by the sweeping material plate 206 is large, the connecting shaft 205 is divided into the upper half shaft 208 and the lower half shaft 207 to be respectively driven, so that the driving force for the sweeping material plate 206 is improved, and the connecting shaft 205 is ensured to normally control the sweeping material plate 206 to rotate and sweep the mixed raw materials.

Secondly, the upper half shaft 208 and the lower half shaft 207 respectively drive the corresponding sweeping plates 206, so that the sweeping plates 206 can be used for cross mixing of mixed raw materials in two rotation states, namely the upper half shaft 208 drives the sweeping plates 206 to rotate at a certain rotating speed within a certain time, and the lower half shaft 207 drives the sweeping plates 206 to rotate at different speeds within another time, so that the sweeping plates 206 can randomly sweep and poorly mix the mixed raw materials at different depths and different regions, the mixing uniformity of each component raw material is further improved, and the mixing uniformity of lead paste and the internal resistance of a negative plate are improved.

Secondly, the lower half shaft 207 is slidably sleeved in the stepped sleeve groove 210 through a plurality of sliding columns 209 with diameters gradually reduced for a plurality of times, and the problem that the mixed raw materials penetrate into the stepped sliding groove 210 to influence the normal rotation of the upper half shaft 208 and the lower half shaft 207 is avoided because the plurality of sliding columns 209 are concentrically arranged and are positioned at the top of the lower half shaft 207.

The material sweeping plate 206 comprises a plate body 211 connected with the connecting shaft 205 and an arc-shaped groove 212 arranged on one side of the plate body 211 and tangent to the outer wall of the connecting shaft 205, the diameter of the arc-shaped groove 212 is the same as that of the stirring chamber 201, and when the connecting shaft 205 controls the material sweeping plate 206 to rotate for a certain angle, the inner arc surface of the arc-shaped groove 212 is attached to the curved surface corresponding to the inner wall of the stirring chamber 201.

Through the arc-shaped grooves 212, the sweeping plates 206 can carry more mixed raw materials to perform cross mixing when sweeping the mixed raw materials, and the cross mixing efficiency is higher.

Secondly, when the sweeping plate 206 sweeps the mixed raw materials to the other stirring chamber 201, because the diameter of the arc-shaped groove 212 is the same as that of the inner wall of the stirring chamber 201, and the inner arc surface of the arc-shaped groove 212 is attached to the curved surface of the inner wall of the stirring chamber 201, the mixed raw materials on the sweeping plate 206 can be completely sent into the corresponding stirring chamber 201, and the interference between the mixed raw materials and the auxiliary cross mixing unit 203 is avoided, so that the cross mixing efficiency is further improved.

Further, the inner arc surface of the arc-shaped groove 212 completely contacts and pushes the carried mixed raw materials to perform cross mixing in the stirring process of the auxiliary cross mixing unit 203, so as to ensure that the mixed raw materials carried by the arc-shaped groove 212 completely perform cross mixing with the mixed raw materials in the corresponding stirring chamber 201.

And the inner arc surface of the arc-shaped groove 212 is tangent to the surface of the connecting shaft 205, so that the interference between the outer wall of the connecting shaft 205 and the auxiliary cross mixing unit 203 is avoided.

The number of the material sweeping plates 206 is four, and the two material sweeping plates 206 on the upper half shaft 208 and the two material sweeping plates 206 on the lower half shaft 207 are symmetrically arranged with respect to the axial center of the connecting shaft 205 and with respect to one radial section of the connecting shaft 205 as a symmetry plane.

The material sweeping plates 206 are provided with four material sweeping plates 206, namely, two material sweeping plates 206 are arranged on the upper half shaft 208 and the lower half shaft 207, under the condition that the centers of the material sweeping plates are symmetrically arranged, when the inner arc surfaces of the arc-shaped grooves 212 on the material sweeping plates 206 on the upper half shaft 208 or the lower half shaft 207 are attached to the curved surface of the inner wall of the stirring chamber 201, the inner arc surfaces of the arc-shaped grooves 212 of the other material sweeping plates 206 on the corresponding upper half shaft 208 or the lower half shaft 207 are also attached to the curved surface of the inner wall of the corresponding stirring chamber 201, namely, the mixed raw materials in the two stirring chambers 201 are simultaneously and crossly mixed, the efficiency of crossly mixing the mixed raw materials is improved, and the problem that the position of the material sweeping plates 206 needs to be adjusted for the second time when part of the raw materials are positioned in the notch groove 204 to influence the efficiency of crossly mixing is solved.

And the two material sweeping plates 206 on the upper half shaft 208 and the two material sweeping plates 206 on the lower half shaft 207 are symmetrically arranged by taking the axis center of the connecting shaft 205 and one radial section of the connecting shaft 205 as a symmetry plane, that is, the material sweeping plates 206 on the upper half shaft 208 and the material sweeping plates 206 on the lower half shaft 207 are symmetrically arranged when being projected to the radial section of the connecting shaft 205, that is, the arc-shaped grooves 212 on the material sweeping plates 206 can be contacted with the mixed raw materials to carry out cross mixing with the maximum volume when the rotating directions of the upper half shaft 208 and the lower half shaft 207 are opposite.

Secondly, the flitch 206 of sweeping of co-altitude can carry out the cross mixing to the mixed raw materials of different degree of depth, simultaneously through the difference of upper half axle 208 and lower half axle 207 slew velocity and direction, make the mixed raw materials that carries in the arc wall 212 can be with the mixed raw materials contact in equidirectional and the corresponding teeter chamber 201, sweep the mixed raw materials contact in flitch 206 and the teeter chamber 201 including same direction and opposite direction promptly, the secondary stirring has been carried out through sweeping the flitch 206 to part mixed raw materials, make the mixed raw materials state that the arc wall 212 carried different, the mixed raw materials cross mixed effect has further been improved.

And the sweeping plate 206 is arranged, so that the two sides of the notch groove 204, which are located on the connecting shaft 205, are respectively provided with the mixed raw materials in the two stirring chambers 201, that is, the two sides of the lower half shaft 207 are separated by the sweeping plate 206 and are filled with the mixed raw materials in the two stirring chambers 201, the upper half shaft 208 is separated by the sweeping plate 206 and is filled with the mixed raw materials in the two stirring chambers 201, and the connecting shaft 205 is simultaneously provided with the mixed raw materials in the two stirring chambers 201 at the same side, so that preliminary mixing is achieved.

The plate body 211 is provided with an arc edge 213 on one side, and the arc edge 213 and the arc groove 212 are arranged on two opposite side walls of the plate body 211, and the arc edge 213 extends to the end of the plate body 211 far away from the connecting shaft 205 and is connected with the inner arc surface of the arc groove 212.

Considering that one side of plate body 211 and the contact of breach groove 204 inner wall, and the mixed raw materials of paste have some to remain when passing through breach groove 204, in order to avoid mixed raw materials to remain and influence the normal contact and the motion between plate body 211 and the breach groove 204 inner wall on breach groove 204 inner wall, through setting up arc 213 and extending to plate body 211 tip and the contact of arc 212, make plate body 211 tip become thin sword form, reduce the area of contact between plate body 211 tip and the breach groove 204 inner wall, guarantee the normal rotation of plate body 211, and guarantee plate body 21 to the restriction that the mixed raw materials of two teeter chambers 201 flowed each other.

The upper half shaft 208 and the lower half shaft 207 are both provided with a limiting component 214 which is positioned in the corresponding position in the side wall of the notch groove 204, and the limiting component 214 limits the rotation of the upper half shaft 208 and the lower half shaft 207 when the sweeping plate 206 rotates until the inner arc surface of the arc-shaped groove 212 is attached to the curved surface where the inner wall of the stirring chamber 201 is positioned;

the limiting component 214 comprises a cavity 215 arranged in the side wall of the notch groove 204 and a horizontal plate 216 arranged on the inner wall of the cavity 215 along the horizontal direction, a through groove 217 which is sleeved on the outer wall of the connecting shaft 205 in a sliding manner is formed in the horizontal plate 216, a limiting groove 218 is arranged on the inner wall of the through groove 217 along the horizontal direction, a limiting column 220 is connected in the limiting groove 218 in a sliding manner through a spring 219, an electromagnet 221 used for controlling the limiting column 220 to move is arranged at the inner bottom of the limiting groove 218, and a horizontal slot 222 is arranged on the connecting shaft 205 in a penetrating manner along the horizontal direction.

Considering that when the sweeping plate 206 rotates, the inner arc surface of the arc-shaped groove 212 is engaged with the inner wall curve of the stirring chamber 201, in order to ensure that the mixed raw material carried by the arc-shaped groove 212 can be cross-mixed with the mixed raw material in the corresponding stirring chamber 201, the movement needs to be stopped and interference with the auxiliary cross-mixing unit 203 is avoided.

Therefore, during the movement of the sweeping plate 206, the upper half shaft 208 or the lower half shaft 207 passes through the through groove 217 and rotates, meanwhile, the limiting column 220 slides along the surface of the upper half shaft 208 or the lower half shaft 207, when the upper half shaft 208 or the lower half shaft 207 rotates until the inner arc surface of the arc-shaped groove 212 is engaged with the curved surface of the inner wall of the stirring chamber 201, the limiting column 220 slides along the limiting groove 218 under the magnetic force of the electromagnet 221 and is inserted into the horizontal slot 222, the spring 219 stretches and deforms, and the upper half shaft 208 or the lower half shaft 207 is limited to continue rotating through the simultaneous connection of the limiting column 220, the limiting groove 218 and the horizontal slot 222.

After the mixed raw materials carried on the sweeping plate 206 and the mixed raw materials in the corresponding stirring chamber 201 are mixed in a crossed manner, the power supply to the electromagnet 221 is cut off, the limiting column 220 is reset to the inside of the limiting groove 218 under the elastic force action of the spring 219, the limitation of the limiting column 218 on the upper half shaft 208 or the lower half shaft 207 is removed, and the sweeping plate 206 can continue to perform the next cross mixing action.

The auxiliary cross mixing unit 203 comprises a stirring shaft 223 arranged in the stirring chamber 201 and a plurality of stirring blades 224 arranged on the outer wall of the periphery of the stirring shaft 223, a scraping plate 225 is obliquely arranged on the end part of each stirring blade 224 far away from the stirring shaft 223, and a guiding mixing part 226 is arranged on one side of the scraping plate 225 far away from the bottom in the stirring chamber 201;

the angle between the surface of the scraper 225 far away from the stirring chamber 201 and the moving direction of the scraper 225 is greater than 90 degrees, and when the sweeping plate 206 rotates to the curved surface where the inner curved surface of the arc-shaped groove 212 is attached to the inner wall of the stirring chamber 201, the scraper 225 pushes the mixed raw materials exchanged on one side of the sweeping plate 206 and the guiding and mixing component 226 assists in mixing and dispersing.

When the auxiliary cross mixing unit 203 is used, the driving stirring shaft 223 drives the stirring blades 224 to stir and mix the raw materials of each component in the stirring chamber 201, so that the raw materials are uniformly stirred.

Secondly, drive scraper blade 225 through stirring fan blade 224 and do circular motion, not only produce the stirring effect to the mixed raw materials of teeter chamber 201 inner wall department, promote the mixing uniformity to teeter chamber 201 inner wall department mixed raw materials, and to sweeping the mixed raw materials of other teeter chambers 201 that carry in the arc wall 212 on the flitch 206 and promote the stirring and the mixed raw materials cross mixing in this teeter chamber 201, improve the stirring uniformity of whole mixed raw materials, guarantee the quality of the lead plaster of formation and reduce the internal resistance of negative plate.

Secondly, the setting of scraper blade 225 slope and with the scraper blade 225 direction of motion institute become angle and be greater than 90 degrees, make the mixed raw materials that promotes through the stirring of scraper blade 225 can follow the surface of the slope on scraper blade 225 and slide in the one side of keeping away from the bottom in the teeter chamber 201 promptly, the stirring mixing action to mixed raw materials is enlarged, promote the mixed effect to mixed raw materials, secondly make mixed raw materials along scraper blade 225 surface slip and carry out supplementary mixed dispersion through guide mixing part 226, the mixed raw materials in other teeter chambers 201 can further disperse, the effect of cross mixing has been promoted.

The guiding and mixing part 226 comprises a plurality of arc-shaped plates 227 which are arranged on one side of the scraper 225 at equal intervals, and a cambered surface guiding seat 228 is arranged on one side of each arc-shaped plate 227, which is far away from the highest position of the scraper 225;

the arc plate 227 at the highest position of the surface of the scraper 225 extends to one side of the scraper 225 to contact with the sweeping plate 206, and the arc radius and the arc height on each arc guide seat 228 are different and are tangent to the surface of the scraper 225.

When the mixed raw materials slide along the surface of the scraper 225, the mixed raw materials are divided into a plurality of parts by the arc-shaped plates 227, and are guided by the arc-shaped guide seats 228 to be mixed with the mixed raw materials with different depths in the stirring chambers 201 in a cross mode, so that the cross mixing effect of the mixed raw materials in the two stirring chambers 201 is further improved, the mixing uniformity of lead paste is improved, and the internal resistance of the produced negative plates is reduced.

Secondly, the arc-shaped plate 227 is arranged to generate a guiding effect on the mixed raw materials, and the arc-shaped plate 227 farthest from the bottom in the stirring chamber 201 is contacted with the inner wall of the stirring chamber 201, so that the flow of the mixed raw materials generates a limiting effect.

Secondly, in order to avoid the mixed raw material from being stuck at the connection between the arc guide seat 228 and the scraper 225, the arc surface of the arc guide seat 228 is tangent to the surface of the scraper 225, so as to ensure the smoothness of the flow of the mixed raw material.

Example 2:

the invention also provides a manufacturing method of the manufacturing device for reducing the internal resistance of the negative plate, which comprises the steps of,

s100, preparing two identical raw materials, adding the raw materials into two stirring chambers, and stirring and mixing the raw materials through an auxiliary cross mixing unit;

s200, after the raw materials are mixed for a certain time, driving the upper half shaft and the lower half shaft to rotate to drive the corresponding sweeping plate to rotate in the reverse direction, carrying the mixed raw materials with different depths near the inner wall of the stirring chamber into the corresponding stirring chamber by the arc-shaped groove on the sweeping plate, and limiting the rotation of the connecting shaft by the limiting part when the inner arc surface of the arc-shaped groove is attached to the curved surface of the inner wall of the corresponding stirring chamber;

s300, pushing mixed raw materials in other stirring chambers carried in the arc-shaped grooves to slide along the surface through the auxiliary cross mixing units, and enabling the mixed raw materials to enter the arc-shaped plates and be guided by the arc-shaped guide seats to be mixed with the mixed raw materials in different depths in the stirring chambers.

The above embodiments are only exemplary embodiments of the present application, and are not intended to limit the present application, and the protection scope of the present application is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present application and such modifications and equivalents should also be considered to be within the scope of the present application.