CN115400938A - Multi freedom integration screening machine - Google Patents
Multi freedom integration screening machine Download PDFInfo
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- CN115400938A CN115400938A CN202210827948.9A CN202210827948A CN115400938A CN 115400938 A CN115400938 A CN 115400938A CN 202210827948 A CN202210827948 A CN 202210827948A CN 115400938 A CN115400938 A CN 115400938A
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- 238000012216 screening Methods 0.000 title claims abstract description 72
- 230000010354 integration Effects 0.000 title description 2
- 238000005303 weighing Methods 0.000 claims abstract description 37
- 239000000463 material Substances 0.000 claims abstract description 22
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims abstract description 11
- 239000010720 hydraulic oil Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 230000006978 adaptation Effects 0.000 claims description 3
- 238000004904 shortening Methods 0.000 claims description 3
- 239000011435 rock Substances 0.000 claims description 2
- 238000001179 sorption measurement Methods 0.000 claims description 2
- 238000007873 sieving Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 239000010419 fine particle Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 239000004575 stone Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 239000004576 sand Substances 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
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- 230000002427 irreversible effect Effects 0.000 description 1
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- 239000011148 porous material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/50—Cleaning
Abstract
The invention discloses a multi-degree-of-freedom integrated screening machine which comprises a weighing device, a screening assembly, a telescopic rod piece and a power system, wherein the weighing device is horizontally arranged, a material to be screened is arranged in the screening assembly, and the lower part of the screening assembly is arranged on the weighing device; the plurality of groups of telescopic rod pieces are arranged at intervals along the circumferential direction of the screening assembly; the upper end of the telescopic rod piece is an input end and is connected with a power system; the lower end of the telescopic rod piece is a telescopic end and is connected with the edge of the screening component. The invention has the beneficial effects that: three groups of telescopic rod pieces are designed and hydraulically driven, and unbalanced acting force is generated on the tray by setting the telescopic degrees and the telescopic time of the three groups of telescopic rod pieces, so that the standard sieve on the tray is driven by the tray to obliquely shake, the material is sieved, and the sieving effect is good; the screen surface is made of memory alloy, the whole screen surface is loosened after the screen surface is heated for a short time, fine particles mixed with the screen can be separated quickly, and the screening efficiency is improved.
Description
Technical Field
The invention relates to a screening device, in particular to a multi-degree-of-freedom integrated screening machine.
Background
With the progress of science and technology, various test devices are developed to a great extent, and great convenience is brought to engineering construction. The shaker is a device very common in the station test equipment is thoughtlessly mixed to trade, and it can be sieved the grit to satisfy the analysis of production unit to the grit performance.
At present, the function of the sand and stone screening device for the commercial mixing station in the market is very single, the vibration force generated by the driving mechanism is an inertia force which changes regularly around a fixed shaft and in a direction, and the essence is a reciprocating inertia force formed by the rotation of an eccentric wheel around the fixed shaft. And only simple shaking sieve can be carried out through the eccentric principle, and the material is accumulated, the utilization rate of the sieve surface is low, the sieving efficiency is low, the processing capacity is poor, and the sieving effect is not ideal enough in the sieving process. Some screening machines only use shaking to screen the gravel, and the problem that the gravel on the screening surface is accumulated and screened insufficiently exists. In addition, the existing sand and stone screening device is complex in structure, the screen is required to be spliced and installed before screening every time, and the steps are complicated and difficult; after the screening is finished, the screening is manually carried out one by one and then weighed, and fine stones left on the screen surface need to be treated, so that irreversible damage to the screen is easily caused.
Disclosure of Invention
The invention aims to provide a multi-degree-of-freedom integrated screening machine which is simple in structure and good in screening effect, aiming at the defects of the prior art.
The technical scheme adopted by the invention is as follows: a multi-degree-of-freedom integrated screening machine comprises a weighing device, a screening assembly, a telescopic rod piece and a power system, wherein the weighing device is horizontally placed, a material to be screened is arranged in the screening assembly, and the lower part of the screening assembly is arranged on the weighing device; the plurality of groups of telescopic rod pieces are arranged at intervals along the circumferential direction of the screening assembly; the upper end of the telescopic rod piece is an input end and is connected with a power system; the lower end of the telescopic rod piece is a telescopic end, and the telescopic end is connected with the edge of the screening component through a first ball bowl structure; when each flexible member bar of driving system drive extension or shorten, each flexible member bar applys the effort of equidimension not to the screening subassembly, and the screening subassembly atress is uneven and the slope rocks, sieves the material.
According to the scheme, the screening component comprises a plurality of standard screens and a tray, the standard screens are stacked in sequence, and the screen holes of the standard screens are gradually reduced from top to bottom; the upper part of the tray is provided with a material bundling opening, and the stacked standard sieve is sleeved on the material bundling opening; the lower part of the tray is provided with a base which is arranged on the weighing device; the middle part of the tray extends outwards in the radial direction to form an annular supporting plate; the lower end of the telescopic rod piece is connected with the annular supporting plate.
According to the scheme, the standard sieve comprises a sieve frame and a sieve surface, and the outer ring of the sieve surface is fixed on the bottom surface of the sieve frame; the screen surface is made of memory alloy wires, and two ends of each memory alloy wire are respectively connected with the positive electrode and the negative electrode of the power supply; the bottom of the screen frame is wound with an annular magnetic seat, and the magnetic seat of the previous standard screen is connected with the upper end of the screen frame of the next standard screen in an adsorption manner after being stacked.
According to the scheme, the telescopic rod piece comprises an upper connecting rod and a lower connecting rod, a vertical cavity is formed in the upper connecting rod, a piston head is arranged at the upper part of the lower connecting rod, the piston head is installed in the cavity and can move up and down along the cavity, the cavity is divided into an upper cavity and a lower cavity which are not communicated, and the lower end of the lower connecting rod extends out of the lower cavity; the power system is a hydraulic power system, and the hydraulic power system is communicated with the cavity in the upper connecting rod through a hydraulic pipeline; after the hydraulic power system is started, hydraulic oil flows into or flows out of the cavity of the upper connecting rod through the hydraulic pipeline, and the lower connecting rod moves up and down in the cavity along with the hydraulic pipeline, so that the telescopic rod piece is extended or shortened.
According to the scheme, the first ball bowl structure comprises a first upper hemispherical bowl, a first lower hemispherical bowl and a first ball head, wherein the first upper hemispherical bowl is arranged on the bottom surface of the annular supporting plate, the first lower hemispherical bowl is arranged in the first seat body, and the first seat body is connected with the lower surface of the annular supporting plate; the first upper hemispherical bowl and the first lower hemispherical bowl are arranged in a facing manner to form a first spherical bowl; the lower extreme of flexible member is located to first bulb, first bulb and first ball bowl looks adaptation, and flexible member stretches out from the upper portion of first ball bowl.
According to the scheme, the screening machine is also provided with a supporting device; the supporting device comprises a plurality of groups of upright columns and supporting plates, and the upright columns are arranged at intervals along the circumferential direction of the supporting plates; the supporting plate is arranged at the upper end of the upright post; the supporting plate is of an annular structure, an ear plate is arranged on the inner edge of the supporting plate, and the upper end of the telescopic rod piece is connected with the ear plate through a second ball bowl structure.
According to the scheme, the second ball bowl structure comprises a second upper hemispherical bowl, a second lower hemispherical bowl and a second ball head, the second upper hemispherical bowl is arranged in the second seat body, the second lower hemispherical bowl is arranged on the lug plate, and the second seat body is connected with the upper surface of the lug plate; the second upper hemispherical bowl and the second lower hemispherical bowl are arranged just opposite to each other to form a second spherical bowl, the second ball head is arranged at the upper end of the telescopic rod piece 4 and matched with the second spherical bowl, and the two ends of the telescopic rod piece 4 extend out of the top and the bottom of the second spherical bowl respectively.
According to the scheme, the screening machine is further provided with a control system, the control system is respectively connected with the weighing device and the power system, the power system is controlled to act, and weighing data of the weighing device are read.
According to the scheme, the spring is arranged in the lower cavity body, the spring is sleeved on the lower connecting rod, and the upper end of the spring is connected with the piston head.
According to the scheme, the lower end of the cavity is provided with the sealing plate.
The invention has the beneficial effects that:
1. three groups of telescopic rod pieces are designed and hydraulically driven, and unbalanced acting force is generated on the tray by setting the telescopic degrees and the telescopic time of the three groups of telescopic rod pieces, so that the tray drives the standard sieve on the tray to obliquely shake, the material is sieved, and the sieving effect is good; because the expansion degree and the expansion time of the expansion rod piece can be adjusted, the screen surface can perform artificial motion, compared with the existing common shaking screen, the flexibility is higher, the screening precision can be ensured, and the screen surface can be effectively prevented from being damaged by materials due to overlarge screening amplitude; in the screening process, manual interference is not needed, and the labor intensity is low; the telescopic rod piece, the ear plate and the annular supporting plate are matched and connected through a ball head and ball bowl structure, the flexible movement of the tray and the telescopic rod piece is ensured by the connection mode, the freedom degrees in multiple directions are realized, and the noise is reduced;
2. the screen surface is made of memory alloy, the whole screen surface is loosened after the heating in a short time, and fine particles mixed with the screen can be quickly separated, so that the screening efficiency is improved; the tension of the screen surface is constant and recoverable, and the screen is wear-resistant, corrosion-resistant, firm and durable;
3. the invention has reasonable integral structure design and simple operation, the telescopic rod pieces are detachably connected with the ear plates and the trays, and the trays are detachably connected with the weighing devices, so the invention has convenient installation and disassembly, is convenient for storage and management in different production environments after screening is finished, and is also beneficial to the replacement of accessories; the multi-degree-of-freedom sieving machine in appearance adopts a building block type assembling structure, can be randomly disassembled and assembled, and is convenient for different requirements on the sieving machine in different production environments.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a standard sieve in this embodiment.
Fig. 3 is a schematic structural diagram of the tray in this embodiment.
Fig. 4 is a schematic structural diagram of the first base in this embodiment.
Fig. 5 is a schematic structural view of the telescopic rod in this embodiment.
Fig. 6 is a schematic view of the internal structure of the telescopic rod.
Fig. 7 is a schematic structural diagram of the supporting device in this embodiment.
Fig. 8 is a schematic structural diagram of the second seat in this embodiment.
Wherein: 1. a weighing device; 2. a tray; 2.1, bundling a material opening; 2.2, an annular supporting plate; 2.3, a base; 2.4, a first upper hemispherical bowl; 3. a support device; 3.1, upright columns; 3.2, a support plate; 3.3, ear plates; 3.4, a second lower hemispherical bowl; 4. a telescopic rod member; 4.1, an upper connecting rod; 4.2, a second ball head; 4.3, a lower connecting rod; 4.4, a first ball head; 4.5, a cavity; 4.6, clamping a mouth; 4.8, sealing plates; 4.7, a spring; 4.8, sealing plates; 5. a power system; 5.1, a hydraulic pipeline; 6. a control system; 7. standard screening; 7.1, a screen frame; 7.2, screening surface; 7.3, a magnetic base; 8. a first seat body; 8.1, a first lower hemispherical bowl; 9. a second seat body; 9.1 and a second upper hemispherical bowl.
Detailed Description
For a better understanding of the present invention, reference is made to the following detailed description taken in conjunction with the accompanying drawings.
The multi-degree-of-freedom integrated screening machine shown in figure 1 comprises a weighing device 1, a screening assembly, a telescopic rod 4 and a power system 5, wherein the weighing device 1 is horizontally arranged, a material to be screened is arranged in the screening assembly, and the lower part of the screening assembly is arranged on the weighing device 1; the plurality of groups of telescopic rod pieces 4 are arranged at intervals along the circumferential direction of the screening assembly; the upper end of the telescopic rod piece 4 is an input end and is connected with a power system 5; the lower end of the telescopic rod piece 4 is a telescopic end and is connected with the edge part of the screening component through a first ball bowl structure; when the power system 5 drives the telescopic rod pieces 4 to extend or shorten, the telescopic rod pieces 4 exert acting forces with different sizes on the screening assembly, the screening assembly is stressed unevenly and is inclined and shaken, and materials are screened. In this embodiment, the telescopic rods 4 are provided with 3 sets.
Preferably, the screen assembly comprises a plurality of standard screens 7 and a tray 2, the standard screens 7 are stacked in sequence, and the screen holes of the standard screens 7 are gradually reduced from top to bottom; as shown in fig. 3, a material bundling opening 2.1 is arranged at the upper part of the tray 2, and the stacked standard sieve 7 is sleeved on the material bundling opening 2.1; a base 2.3 is arranged at the lower part of the tray 2, and the base 2.3 is arranged on the weighing device 1 (specifically, is adsorbed on the weighing device 1 through magnetic force); the middle part of the tray 2 extends outwards in the radial direction to form an annular supporting plate 2.2; the lower end of the telescopic rod 4 is connected with the annular supporting plate 2.2. In this embodiment, the material bundling opening 2.1 and the base 2.3 are an integrated cylindrical structure.
Preferably, as shown in fig. 2, the standard screen comprises a screen frame 7.1 and a screen surface 7.2, and the outer ring of the screen surface 7.2 is fixed on the bottom surface of the screen frame 7.1; the screen surface 7.2 is made of memory alloy wires, and two ends of each memory alloy wire are respectively connected with the positive electrode and the negative electrode of the power supply. Preferably, the bottom of the screen frame 7.1 is wound with an annular magnetic seat 7.3, and the magnetic seat 7.3 of the previous standard screen 7 is connected with the upper end of the screen frame 7.1 of the next standard screen 7 in a stacked and absorbing manner.
In the invention, the memory alloy wire is connected with a power supply, after the memory alloy wire is heated by the power supply, the sieve surface 7.2 is loosened, substances contained in the sieve pores fall off, after the substances fall off, the power supply is cut off, the heating is stopped, and the sieve surface 7.2 is recovered to the original shape.
Preferably, as shown in fig. 5 and 6, the telescopic rod 4 includes an upper connecting rod 4.1 and a lower connecting rod 4.3, a vertical cavity 4.5 is formed in the upper connecting rod 4.1, a piston head is arranged at the upper part of the lower connecting rod 4.3, the piston head is mounted in the cavity 4.5 and can move up and down along the cavity 4.5, the cavity 4.5 is divided into an upper cavity and a lower cavity which are not communicated with each other, and the lower end of the lower connecting rod 4.3 extends out of the lower cavity (a sealing plate 4.8 is arranged at the lower end of the cavity 4.5); the power system 5 is a hydraulic power system 5, the hydraulic power system 5 is communicated with a cavity 4.5 in an upper connecting rod 4.1 through a hydraulic pipeline 5.1 (specifically, a clamping mouth 4.6 is arranged at the position of the upper connecting rod 4.1, the inner part of the clamping mouth is communicated with the cavity 4.5, the hydraulic pipeline 5.1 is communicated with the cavity 4.5 through the clamping mouth 4.6, after the hydraulic power system 5 is started, hydraulic oil flows into or out of the cavity 4.5 of the upper connecting rod 4.1 through the hydraulic pipeline 5.1, and a lower connecting rod 4.3 moves up and down in the cavity 4.5 along with the hydraulic pipeline, so that the extension or the shortening of the telescopic rod piece 4 is realized.
Preferably, a spring 4.7 is installed in the lower cavity, the spring 4.7 is sleeved on the lower connecting rod 4.3, and the upper end of the spring 4.7 is connected with the piston head.
Preferably, the first ball bowl structure includes a first upper hemisphere bowl 2.4, a first lower hemisphere bowl 8.1 and a first ball head 4.4, the first upper hemisphere bowl 2.4 is disposed on the bottom surface of the annular supporting plate 2.2, the first lower hemisphere bowl 8.1 is disposed in the first seat body 8 (as shown in fig. 4), and the first seat body 8 is connected to the lower surface of the annular supporting plate 2.2 (which may be connected by a bolt); the first upper hemispherical bowl 2.4 and the first lower hemispherical bowl 8.1 are arranged oppositely to form a first spherical bowl; first bulb 4.4 locates the lower extreme of flexible member 4 (specifically, on first bulb 4.4 located lower connecting rod 4.3), first bulb 4.4 and first ball bowl looks adaptation, and flexible member 4 stretches out from the upper portion of first ball bowl.
Preferably, the screening machine is further provided with a supporting device 3, as shown in fig. 7, the supporting device 3 comprises columns 3.1 and supporting plates 3.2, and a plurality of groups of the columns 3.1 are arranged at intervals along the circumferential direction of the supporting plates 3.2; the supporting plate 3.2 is arranged at the upper end of the upright post 3.1; the supporting plate 3.2 is of an annular structure, the inner edge of the supporting plate is provided with an ear plate 3.3, and the upper end of the telescopic rod piece 4 is connected with the ear plate 3.3 through a second ball bowl structure. In this embodiment, there are three sets of the upright posts 3.1, and the upper ends of the upright posts 3.1 are connected with the supporting plate 3.2.
Preferably, the second ball bowl structure includes a second upper hemispherical bowl 9.1, a second lower hemispherical bowl 3.4 and a second ball head 4.2, the second upper hemispherical bowl 9.1 is disposed in the second seat 9 (as shown in fig. 8), the second lower hemispherical bowl 3.4 is disposed on the ear plate 3.3, and the second seat 9 is connected to the upper surface of the ear plate 3.3 (which may be connected by a bolt); the second upper hemispherical bowl 9.1 and the second lower hemispherical bowl 3.4 are arranged to form a second spherical bowl, the second ball head 4.2 is arranged at the upper end of the telescopic rod piece 4 (specifically, the second ball head 4.2 is arranged on the upper connecting rod 4.1), the second ball head 4.2 is matched with the second spherical bowl, and two ends of the telescopic rod piece 4 extend out of the top and the bottom of the second spherical bowl respectively. And a channel for communicating the cavity 4.5 with the clamping mouth 4.6 is formed in the second ball head 4.2.
In this embodiment, the first ball bowl and the second ball bowl have the same structure; the first seat 8 and the second seat 9 have the same structure.
Preferably, the screening machine is further provided with a control system 6, and the control system 6 is respectively connected with the weighing device 1 and the power system 5, controls the power system 5 to act, and reads weighing data of the weighing device 1.
In this embodiment, the weighing apparatus 1 is a high-precision electronic scale.
The working principle of the invention is as follows: after the connection of all the components is finished, the control system 6 sets the expansion degree, the action time and the sequence of all the telescopic rod pieces 4 according to the material screening requirement; pouring the material (sand and stone are sieved in the embodiment) to be sieved into the standard sieve 7 on the uppermost layer, controlling the power system 5 to start by the control system 6, enabling hydraulic oil to flow into or out of the telescopic rod 4 through the hydraulic pipeline 5.1, enabling the lower connecting rod 4.3 to move up and down under the action of the hydraulic oil to exert an acting force on the tray 2, enabling the standard sieve 7 on the tray 2 to be unbalanced in stress and obliquely shake, and sieving the material; after screening is finished, the weighing device 1 at the lower part is used for weighing the sand and stone of each gradation in each standard screen 7, and the control system 6 calculates the weighing result to obtain related data.
In the present invention, the screen assemblies may perform several movements as follows:
1. when the machine is not started, the three telescopic rod pieces 4 are consistent in length, the standard sieve 7 is fixed on the tray 2, and the bottom of the standard sieve 7 is parallel to the horizontal plane. 2. And (3) top movement: two telescopic rods 4 are fixed (the fixation means that the telescopic rods do not extend or contract but can rotate depending on the ball bowl surface), and the other telescopic rod regularly performs telescopic reciprocating motion, so that manual pitch motion can be prevented. 3. Winnowing motion: under the condition that the three telescopic rod pieces 4 are consistent in length, the telescopic rod pieces are sequentially extended for a distance in a clockwise (anticlockwise) hour sequence at intervals of several seconds, then the telescopic rod pieces are firstly extended and firstly shortened, and the shortening process is also sequentially performed in the interval clockwise (anticlockwise) hour sequence as before, so that the manual winnowing process can be simulated. 4. A vibrating screen process: the three telescopic rods perform small-amplitude telescopic reciprocating motion at the same time.
In the invention, the method for automatically metering and weighing each graded sandstone in each standard sieve 7 by the weighing device 1 is as follows:
in the whole screening process, when the lower weighing device 1 reaches constant weight (the long-time weight change is smaller than the precision of a metering scale), the screen analysis can be carried out, firstly, the heating process of the lowest-layer memory alloy screen surface is subjected to small-floating vibration, so that all particles with the particle sizes fall into the weighing device 1, the weighing device 1 automatically records the weight of the particles in the particle size range, each layer of screen surface is sequentially heated from bottom to top, vibration and metering weighing are carried out, the weight of sand and stone in each particle size range can be automatically recorded, finally, the grading of the sand and stone particles can be automatically calculated, and parameters such as fineness modulus and the like related to screening can be automatically calculated.
It should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and the present invention is not limited thereto, and although the present invention has been described in detail with reference to the embodiments, it will be apparent to those skilled in the art that modifications can be made to the technical solutions described in the above-mentioned embodiments, or equivalent substitutions of some technical features, but any modifications, equivalents, improvements and the like within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims (10)
1. The multi-degree-of-freedom integrated screening machine is characterized by comprising a weighing device, a screening assembly, a telescopic rod piece and a power system, wherein the weighing device is horizontally arranged, a material to be screened is arranged in the screening assembly, and the lower part of the screening assembly is arranged on the weighing device; the multiple groups of telescopic rod pieces are arranged at intervals along the circumferential direction of the screening assembly; the upper end of the telescopic rod piece is an input end and is connected with a power system; the lower end of the telescopic rod piece is a telescopic end, and the telescopic end is connected with the edge of the screening component through a first ball bowl structure; when each flexible member bar of driving system drive extension or shorten, each flexible member bar applys the effort of equidimension not to the screening subassembly, and the screening subassembly atress is uneven and the slope rocks, sieves the material.
2. The multi-degree-of-freedom integrated screening machine according to claim 1, wherein the screening assembly includes a plurality of standard screens and a tray, the plurality of standard screens are stacked in sequence, and screen holes of the standard screens are gradually reduced from top to bottom; the upper part of the tray is provided with a material bundling opening, and the stacked standard sieve is sleeved on the material bundling opening; the lower part of the tray is provided with a base which is arranged on the weighing device; the middle part of the tray extends outwards in the radial direction to form an annular supporting plate; the lower end of the telescopic rod piece is connected with the annular supporting plate.
3. The multi-degree-of-freedom integrated screening machine according to claim 2, wherein the standard screen comprises a screen frame and a screen surface, and an outer ring of the screen surface is fixed on the bottom surface of the screen frame; the screen surface is made of memory alloy wires, and two ends of each memory alloy wire are respectively connected with the positive electrode and the negative electrode of the power supply; the bottom of the screen frame is wound with an annular magnetic seat, and the magnetic seat of the previous standard screen is connected with the upper end of the screen frame of the next standard screen in an adsorption manner after being stacked.
4. The multi-degree-of-freedom integrated screening machine according to claim 2, wherein the telescopic rod piece comprises an upper connecting rod and a lower connecting rod, a vertical cavity is formed in the upper connecting rod, a piston head is arranged at the upper part of the lower connecting rod, the piston head is installed in the cavity and can move up and down along the cavity to divide the cavity into an upper cavity and a lower cavity which are not communicated with each other, and the lower end of the lower connecting rod extends out of the lower cavity; the power system is a hydraulic power system, and the hydraulic power system is communicated with the cavity in the upper connecting rod through a hydraulic pipeline; after the hydraulic power system is started, hydraulic oil flows into or out of the cavity of the upper connecting rod through the hydraulic pipeline, and the lower connecting rod moves up and down in the cavity along with the hydraulic pipeline, so that the extension or the shortening of the telescopic rod piece is realized.
5. The multi-degree-of-freedom integrated screening machine according to claim 4, wherein the first ball bowl structure comprises a first upper hemispherical bowl, a first lower hemispherical bowl and a first ball head, the first upper hemispherical bowl is arranged on the bottom surface of the annular supporting plate, the first lower hemispherical bowl is arranged in the first seat body, and the first seat body is connected with the lower surface of the annular supporting plate; the first upper hemispherical bowl and the first lower hemispherical bowl are arranged oppositely to form a first spherical bowl; the lower extreme of flexible member is located to first bulb, first bulb and first ball bowl looks adaptation, and flexible member stretches out from the upper portion of first ball bowl.
6. The multi-degree-of-freedom integrated screening machine according to claim 4, characterized in that the screening machine is further provided with a supporting device; the supporting device comprises a plurality of groups of upright columns and supporting plates, and the upright columns are arranged at intervals along the circumferential direction of the supporting plates; the supporting plate is arranged at the upper end of the upright post; the supporting plate is of an annular structure, an ear plate is arranged on the inner edge of the supporting plate, and the upper end of the telescopic rod piece is connected with the ear plate through a second ball bowl structure.
7. The multi-degree-of-freedom integrated screening machine according to claim 6, wherein the second spherical bowl structure comprises a second upper hemispherical bowl, a second lower hemispherical bowl and a second ball head, the second upper hemispherical bowl is arranged in the second seat body, the second lower hemispherical bowl is arranged on the lug plate, and the second seat body is connected with the upper surface of the lug plate; the second upper hemispherical bowl and the second lower hemispherical bowl are arranged just opposite to each other to form a second spherical bowl, the second ball head is arranged at the upper end of the telescopic rod piece 4 and matched with the second spherical bowl, and the two ends of the telescopic rod piece 4 extend out of the top and the bottom of the second spherical bowl respectively.
8. The multi-degree-of-freedom integrated screening machine according to claim 1, wherein the screening machine is further provided with a control system, the control system is respectively connected with the weighing device and the power system, and is used for controlling the power system to act and reading weighing data of the weighing device.
9. The multi-degree-of-freedom integrated screening machine according to claim 4, wherein the lower cavity is internally provided with a spring, the spring is sleeved on the lower connecting rod, and the upper end of the spring is connected with the piston head.
10. The multi-degree-of-freedom integrated screening machine according to claim 4, wherein a sealing plate is provided at the lower end of the cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202210827948.9A CN115400938A (en) | 2022-07-13 | 2022-07-13 | Multi freedom integration screening machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210827948.9A CN115400938A (en) | 2022-07-13 | 2022-07-13 | Multi freedom integration screening machine |
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| CN115400938A true CN115400938A (en) | 2022-11-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210827948.9A Pending CN115400938A (en) | 2022-07-13 | 2022-07-13 | Multi freedom integration screening machine |
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