CN112893116A - Manufacturing method for prolonging service life of stainless steel wire screen - Google Patents
Manufacturing method for prolonging service life of stainless steel wire screen Download PDFInfo
- Publication number
- CN112893116A CN112893116A CN202110223192.2A CN202110223192A CN112893116A CN 112893116 A CN112893116 A CN 112893116A CN 202110223192 A CN202110223192 A CN 202110223192A CN 112893116 A CN112893116 A CN 112893116A
- Authority
- CN
- China
- Prior art keywords
- screen
- stainless steel
- fixing
- ring
- manufacturing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 60
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 42
- 239000010935 stainless steel Substances 0.000 claims abstract description 40
- 238000005498 polishing Methods 0.000 claims abstract description 19
- 230000002441 reversible effect Effects 0.000 claims abstract description 14
- 239000000853 adhesive Substances 0.000 claims abstract description 13
- 230000001070 adhesive effect Effects 0.000 claims abstract description 13
- 238000004140 cleaning Methods 0.000 claims abstract description 11
- 238000000227 grinding Methods 0.000 claims abstract description 7
- 239000011248 coating agent Substances 0.000 claims abstract description 6
- 238000000576 coating method Methods 0.000 claims abstract description 6
- 238000005520 cutting process Methods 0.000 claims abstract description 5
- 239000004744 fabric Substances 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 16
- 230000008569 process Effects 0.000 claims description 8
- 239000010963 304 stainless steel Substances 0.000 claims description 5
- 229920000297 Rayon Polymers 0.000 claims description 5
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 claims description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 3
- 238000012216 screening Methods 0.000 abstract description 19
- 239000000843 powder Substances 0.000 abstract description 16
- 230000000052 comparative effect Effects 0.000 description 9
- 239000002184 metal Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 5
- 230000001133 acceleration Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 238000004506 ultrasonic cleaning Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000037303 wrinkles Effects 0.000 description 2
- CWEKGCILYDRKNV-KPOOZVEVSA-L Orange B Chemical compound [Na+].[Na+].CCOC(=O)c1[nH]n(-c2ccc(cc2)S([O-])(=O)=O)c(=O)c1\N=N\c1ccc(c2ccccc12)S([O-])(=O)=O CWEKGCILYDRKNV-KPOOZVEVSA-L 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910000883 Ti6Al4V Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000013987 orange B Nutrition 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
-
- 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
- B07B1/4618—Manufacturing of screening surfaces
Abstract
The invention belongs to the technical field of manufacturing of spherical powder screening screens, and discloses a manufacturing method for prolonging the service life of a stainless steel wire screen, which comprises the following steps of 1: preparing a screen and cleaning; step 2: flatly laying and tightly tightening the screen surface of the screen after being cleaned in the step 1 on a screen surface fixing and supporting tool; and step 3: grinding and polishing the reverse side of the stainless steel net rack; and 4, step 4: flatly placing the stainless steel net rack which is ground and polished in the step (3) on a horizontal operation table, enabling the back surface of the stainless steel net rack to face upwards, and uniformly coating adhesive on the back surface of the stainless steel net rack; and 5: flatly placing the screen tightly stretched on the screen surface fixing and supporting tool in the step (2) on the stainless steel net rack coated with the adhesive in the step (4); step 6: fixing the edges of the stainless steel net rack and the net surface fixing and supporting tool by using a fixing tool for 20-24 hours; and 7: and (4) removing the fixing tool and the net surface fixing and supporting tool, and cutting the edge of the screen.
Description
Technical Field
The invention belongs to the technical field of manufacturing of spherical powder screening screens, and particularly relates to a manufacturing method for prolonging the service life of a stainless steel wire screen.
Background
The screen is a mesh product which has strict series of mesh sizes and has the functions of grading and screening object particles in accordance with industry, institutions and standards. The application field of the screen is wide and is all over industry, agriculture, science and technology and national defense. The metal screen is a mesh product made of metal wires by a certain technical method, and is mostly woven by taking stainless steel wires as raw materials. The diameter of the metal wire is 0.025-4 mm. The stainless steel screen mesh is clear and correct, and the mesh surface is smooth, and has the characteristics of wear resistance, corrosion resistance and the like. Therefore, stainless steel screens are used in powder screening applications.
In recent years, the metal powder metallurgy industry is developed at a high speed, the preparation technology of various metal spherical powder is continuously improved, and the powder screening process is regarded as a key link for preparing the metal powder and receives more and more attention. The screen used in the screening process is an important component of the screening machine, and can have a crucial influence on the screening effect and the screening efficiency of the powder. Although the stainless steel wire woven screen has good corrosion resistance and wear resistance, the stainless steel wire woven screen still has the phenomenon of fatigue damage after being collided with metal powder for a long time in the screening process, so that the screening effect of the metal powder is influenced.
The existing stainless steel wire woven screen adopts a manual screen stretching mode during manufacturing, the screen surface is very easy to have the phenomena of uneven tension distribution and surface wrinkles, the manufacturing efficiency and the success rate are low, and the service life of the screen is very short.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, provides a manufacturing method for prolonging the service life of a stainless steel wire screen, and overcomes the defects in the prior art.
In order to solve the technical problem, the technical scheme of the invention is as follows: a manufacturing method for prolonging the service life of a stainless steel wire screen comprises the following steps:
step 1: preparing a screen and cleaning;
step 2: flatly laying and tightly tightening the screen surface of the screen after being cleaned in the step 1 on a screen surface fixing and supporting tool;
and step 3: grinding and polishing the reverse side of the stainless steel net rack;
and 4, step 4: flatly placing the stainless steel net rack which is ground and polished in the step (3) on a horizontal operation table, enabling the back surface of the stainless steel net rack to face upwards, and uniformly coating adhesive on the back surface of the stainless steel net rack;
and 5: flatly placing the screen tightly stretched on the screen surface fixing and supporting tool in the step (2) on the stainless steel net rack coated with the adhesive in the step (4);
step 6: fixing the edges of the stainless steel net rack and the net surface fixing and supporting tool by using a fixing tool for 20-24 hours;
and 7: and (4) removing the fixing tool and the net surface fixing and supporting tool, and cutting the edge of the screen to enable the screen to be the same as the stainless steel net rack in size, so that the screen is manufactured.
Preferably, the size of the screen surface of the screen in the step 1 is 1000 × 1000mm, and the screen is cleaned by ultrasonic cleaning for 30min, and then sprayed with industrial alcohol for secondary cleaning, and dried for standby.
Preferably, the net surface fixing and supporting tool in the step 2 is composed of a ring frame and a clamping ring, wherein the ring frame is a circular stainless steel ring, the clamping ring is a circular stainless steel ring with one side disconnected, connectors are arranged at two ends of the clamping ring, the two connectors are connected through bolts, the clamping ring is coaxially sleeved on the outer wall of the ring frame and is clamped by the two connectors through the bolts, and a tensiometer is used for detecting that the surface tension is 10N +/-2N in the clamping process.
Preferably, the inner diameter of the ring frame 1 is the same as the diameter of the screen required to be manufactured, the thickness of the ring frame in the diameter direction is 20mm, the height of the ring frame in the vertical diameter direction is 15-25 mm, the inner diameter of the clamping ring is larger than the outer diameter of the ring frame, and the thickness of the clamping ring in the diameter direction is 4-6 mm.
Preferably, the stainless steel net rack in the step 3 is composed of five supports, the outer wall of the inner ring and the inner wall of the outer ring are welded through the five supports, an included angle between every two adjacent supports is 72 degrees, one end of each ultrasonic interface is connected with the inner ring and the outer ring, and the other end of each ultrasonic interface is connected with an ultrasonic transmitter; the ultrasonic interface is a stainless steel pipe with the diameter of 10mm, the thickness of the stainless steel pipe is 3mm, and the inner ring and the outer ring are both 304 stainless steel circular rings.
Preferably, the grinding and polishing of the reverse side of the stainless steel net rack in the step 3 specifically comprises: the reverse side of connecting the ultrasonic wave interface with stainless steel net rack is polished, uses 80 mesh abrasive paper to polish, guarantees that stainless steel net rack surface is burr-free, polishes and washes with the clear water after accomplishing and dries, uses polishing cloth to polish the stainless steel net rack after polishing the processing, ensures that the reverse side surface of stainless steel net rack connection ultrasonic wave interface is smooth after then.
Preferably, the screen tightly stretched on the screen surface fixing and supporting tool in the step 5 is flatly placed on the stainless steel screen frame coated with the adhesive in the step 4, and an included angle between a screen line of the screen and the ultrasonic interface is 30-60 degrees during placement.
Preferably, the fixing tool in the step 6 is composed of a fixing frame and screws, the fixing frame includes a first member, a second member, a third member and a fourth member, wherein an end of the first member is perpendicularly welded to an end of the second member, the other end of the second member is perpendicularly welded to an end of the third member, the other end of the third member is perpendicularly welded to an end of the fourth member, the first member is parallel to the third member, the second member is parallel to the fourth member, the lengths of the second member and the third member are the same, the lengths of the second member and the third member are greater than those of the first member and the fourth member, the first member, the second member, the third member and the fourth member are located on the same plane, the first member is provided with a threaded hole, a screw penetrates through the threaded hole to fix the stainless steel net rack and the net surface fixing and supporting tool, and the lower end of the screw is in contact with the net surface fixing and supporting tool, the upper end of the fourth component is in surface contact with the stainless steel truss.
Preferably, stainless steel rack and wire side fixed stay frock are peripheral to be fixed through eight fixed frock, and the contained angle between two adjacent fixed frock is 45, and during eight fixed frock fastens, fastens simultaneously to the fixed frock of two offside fixed points respectively, accomplishes fastening when four fixed frock of group to detect screen cloth wire side each surface tension simultaneously, make surface tension be 20 +/-3N.
Preferably, the wire diameter of the screen is 0.036-0.125 mm, and the side length of the mesh of the screen is 45-250 microns.
Compared with the prior art, the invention has the advantages that:
(1) from the angle of manufacturing the screen, the manufacturing process of the screen is optimized, so that the screen not only has excellent screening performance but also has longer service life in structure, and therefore, the quality of screened powder products can be improved, the production efficiency is improved, the service life of the screen is prolonged, the production cost is saved, and the screen has good popularization value;
(2) in the screen manufacturing process, the screen is firstly fixed on the screen surface fixing and supporting tool, then the screen surface fixing and supporting tool is horizontally placed on the net rack coated with the viscose, and the net rack and the screen surface fixing and supporting tool are fixed through the fixing tool, so that the surface tension of the screen is uniform; the tool is simple and convenient to operate, the effect of fixing the screen surface of the screen can be controlled by detecting tension, and the problems of uneven tension, folds and the like in the screen surface fixing process can be effectively avoided;
(3) the net rack is made of the inner ring and the outer ring which are connected by the bracket, and the inner ring and the outer ring are both connected with the ultrasonic interface, so that the structure does not increase energy transmission resistance, is favorable for transmitting ultrasonic energy, and can effectively play roles in supporting and fixing;
(4) according to the invention, the net rack is connected with the ultrasonic emitter, so that the superfine powder can receive huge ultrasonic acceleration, and the ultrasonic emitter generates ultrasonic vibration waves which are transmitted to the net surface of the screen through the net rack, thereby inhibiting the net blocking factors such as adhesion, friction, flat falling and wedging of the powder, improving the transmittance during screening of the screen, further improving the screen cleaning efficiency and optimizing the screening effect.
Drawings
FIG. 1 is a schematic structural view of a coil form of the present invention;
FIG. 2 is a schematic view of the structure of the grip ring of the present invention;
FIG. 3 is a schematic view of the structure of the grid of the present invention;
FIG. 4 is a schematic perspective view of the net frame of the present invention;
FIG. 5 is a schematic structural view of the fixing tool of the present invention;
FIG. 6 is a schematic structural view of the relationship between the ultrasonic interfaces of the screen and the rack of the present invention;
FIG. 7 is a schematic structural diagram of the relationship between the ultrasonic interface angles of the screen and the rack of the present invention.
Description of reference numerals:
1. the ultrasonic welding device comprises a ring frame 2, a clamping ring 3, an inner ring 4, an outer ring 5, a support 6, an ultrasonic interface 7, a fixing frame 8 and a screw;
2-1, a connector;
7-1, a first component, 7-2, a second component, 7-3, a third component, 7-4, a fourth component.
Detailed Description
The following describes embodiments of the present invention with reference to examples:
it should be noted that the structures, proportions, sizes, and other elements shown in the specification are included for the purpose of understanding and reading only, and are not intended to limit the scope of the invention, which is defined by the claims, and any modifications of the structures, changes in the proportions and adjustments of the sizes, without affecting the efficacy and attainment of the same.
In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
Example 1
The invention discloses a manufacturing method for prolonging the service life of a screen, which is carried out according to the following steps:
step 1: preparing a screen and cleaning;
step 2: flatly laying and tightly tightening the screen surface of the screen after being cleaned in the step 1 on a screen surface fixing and supporting tool;
and step 3: grinding and polishing the reverse side of the net rack;
and 4, step 4: flatly placing the net rack polished and polished in the step 3 on a horizontal operation table, enabling the back of the net rack to face upwards, and uniformly coating adhesive on the back of the net rack;
and 5: flatly placing the screen tightly stretched on the screen surface fixing and supporting tool in the step (2) on the screen frame coated with the adhesive in the step (4);
step 6: fixing the net rack and the net surface fixing and supporting tool edge for 20-24 hours by using a fixing tool;
and 7: and (4) removing the fixing tool and the net surface fixing and supporting tool, cutting the edge of the screen to enable the screen to be the same as the net rack in size, and finishing the manufacture of the screen.
Example 2
Preferably, the size of the screen surface of the screen in the step 1 is 1000 × 1000mm, and the screen is cleaned by ultrasonic cleaning for 30min, and then sprayed with industrial alcohol for secondary cleaning, and dried for standby.
Example 3
As shown in fig. 1 and 2, preferably, the mesh surface fixing and supporting tool in the step 2 is composed of a ring frame 1 and a clamping ring 2, wherein the ring frame 1 is a circular stainless steel ring, the clamping ring 2 is a circular stainless steel ring with one side broken, connectors 2-1 are arranged at two broken ends of the clamping ring 2, the two connectors 2-1 are connected through bolts, the clamping ring 2 is coaxially sleeved on the outer wall of the ring frame 1 and is connected with the two connectors 2-1 through bolts to clamp the ring frame 1, and a tensiometer is used for detecting that the surface tension is 10N ± 2N in the clamping process.
Preferably, the inner diameter of the ring frame 1 is the same as the diameter of a screen required to be manufactured, the thickness of the ring frame 1 in the diameter direction is 20mm, the height of the ring frame 1 in the vertical diameter direction is 15-25 mm, the inner diameter of the clamping ring 2 is larger than the outer diameter of the ring frame 1, and the thickness of the clamping ring 2 in the diameter direction is 4-6 mm.
The ring frame 1 is generally made of stainless steel, the diameter of the ring frame is determined according to the size of a required net rack, for example, when a phi 800mm screen is manufactured, the inner diameter of the ring frame 1 is phi 800mm, the outer diameter of the ring frame 1 is phi 820mm, namely the thickness of the ring frame 1 in the diameter direction is 20mm, and the height of the ring frame 1 in the direction perpendicular to the diameter direction is 15-25 mm.
The clamping ring 2 is generally made of stainless steel, the diameter of a stainless steel wire is 4-6 mm, two ends of the connector 2-1 can be connected with screws and nuts, when the clamping ring is fixed and tightened, the diameter of the clamping ring can be reduced by screwing the screws and the nuts, the retractable minimum diameter of the clamping ring 2 needs to be smaller than the outer diameter of the ring frame 1, and the extendable maximum diameter of the clamping ring is larger than the outer diameter of the ring frame 1.
During the use, place circle frame 1 on the horizontal operation platform, the screen cloth that prepares is tiled on circle frame 1, then overlap on the screen cloth with clamping ring 2, tighten up clamping ring 2 through the screw and make the screen cloth wire side tight, when tightening up the screen cloth wire side, can use the tensiometer to detect wire side tension, fastening degree through the adjusting screw realizes the tensile purpose of adjustment wire side, its easy operation is convenient, and can control the fixed effect of screen cloth wire side through detecting tension, can effectually avoid the fixed in-process of screen cloth wire side tension inhomogeneous, the fold scheduling problem appears.
Example 4
As shown in fig. 3 and 4, preferably, the net rack in step 3 is composed of five inner rings 3, five outer rings 4, supports 5 and ultrasonic wave ports 6, wherein the outer walls of the inner rings 3 are welded to the inner walls of the outer rings 4 through the five supports 5, an included angle between two adjacent supports 5 is 72 °, one end of each ultrasonic wave port 6 is connected to one of the inner rings 3 and the outer ring 4, and the other end of each ultrasonic wave port 6 is connected to an ultrasonic wave transmitter; the ultrasonic interface 6 is a stainless steel tube with the diameter of 10mm, the thickness of the stainless steel tube is 3mm, and the inner ring 3 and the outer ring 4 are both 304 stainless steel circular rings.
Preferably, the step 3 of grinding and polishing the reverse side of the net rack specifically comprises: the reverse side of connecting ultrasonic interface 6 with the rack is polished, uses 80 mesh abrasive paper to polish, guarantees that the rack surface is burr-free, polishes and washes with the clear water after accomplishing and dries, uses polishing cloth to polish the rack after the processing of polishing after that, ensures that the rack connects the reverse side surface of ultrasonic interface 6 smooth.
As shown in fig. 6, preferably, in the step 5, the screen tightly stretched on the screen surface fixing and supporting tool in the step 2 is flatly placed on the screen frame coated with the adhesive in the step 4, and an included angle between a screen line of the screen and the ultrasonic interface 6 is 30-60 degrees.
The net rack is made of 304 stainless steel generally, the surface of the net rack can be subjected to shot blasting treatment, and the inner ring 3 and the outer ring 4 are hollow, so that ultrasonic energy can be transmitted to the net surface of the screen. As shown in fig. 3 and 4, the outer ring 4 and the inner ring 3 are connected by welding 5 solid supports 5, the included angle between each support 5 and the center of the net rack is 72 degrees, and the design of 5 supports 5 can not increase the capacity transmission resistance, is favorable for the transmission of ultrasonic energy, and can effectively play a role in supporting and fixing.
The ultrasonic interface 6 on the net rack can be connected with an ultrasonic transmitter in a butt joint mode and is used for transmitting ultrasonic energy. Ultrasonic interface 6 is the nonrust steel pipe of diameter 10mm, and the pipe thickness has the external screw thread on the external diameter, can be connected with ultrasonic transmitter.
Ultrasonic vibration wave can be transmitted along 6 directions of ultrasonic interface, compare as the angle that figure 6 shows the angle that figure 7 shows, the vibration wave that ultrasonic emitter produced can be more dispersed the effect on the different net twines of wire side, avoids the fatigue fracture that the screen cloth net twine takes place because of local long-time vibration to improve screen cloth life.
Example 5
As shown in fig. 5, preferably, the fixing tool in step 6 is composed of a fixing frame 7 and screws 8, the fixing frame 7 includes a first member 7-1, a second member 7-2, a third member 7-3 and a fourth member 7-4, wherein an end of the first member 7-1 is perpendicularly welded to an end of the second member 7-2, another end of the second member 7-2 is perpendicularly welded to an end of the third member 7-3, another end of the third member 7-3 is perpendicularly welded to an end of the fourth member 7-4, wherein the first member 7-1 is parallel to the third member 7-3, the second member 7-2 is parallel to the fourth member 7-4, lengths of the second member 7-2 and the third member 7-3 are the same, and lengths of the second member 7-2 and the third member 7-3 are greater than lengths of the first member 7-1 and the fourth member 7-4, the first member 7-1, the second member 7-2, the third member 7-3 and the fourth member 7-4 are located on the same plane, a threaded hole is formed in the first member 7-1, a screw 8 penetrates through the threaded hole to fix the net rack and the net surface fixing and supporting tool, the lower end of the screw 8 is in contact with the end face of the net surface fixing and supporting tool, and the upper end of the fourth member 7-4 is in contact with the end face of the net rack.
The fixed frock is that the wire side fixed stay frock and the rack of the good screen cloth wire side of fixing are fixed to be tightened, has the contact of the upper end of screw 8 and the circle frame 1 of wire side fixed stay frock, and the lower extreme contacts with the rack, and fixed frock can adjust wire side tension through screwing up screw 8, and easy operation is convenient, and the tension of wire side is more even when making the screen cloth, improves the life of screen cloth.
Preferably, the rack is fixed with the periphery of the screen surface fixed support tool through eight fixed tools, the included angle between two adjacent fixed tools is 45 degrees, when the eight fixed tools are fastened, the fixed tools at two opposite side fixed points are fastened simultaneously, fastening of four groups of fixed tools is completed, and surface tension of each part of the screen surface of the screen is detected simultaneously, wherein the surface tension is 20 +/-3N.
Preferably, the wire diameter of the screen is 0.036-0.125 mm, and the side length of the mesh of the screen is 45-250 microns.
Example 6
Step 1: preparing a square screen with the size of 1000 multiplied by 1000mm, ultrasonically cleaning the screen for 30min, spraying industrial alcohol on the screen surface of the screen for secondary cleaning, and airing for later use;
step 2: flatly paving the net surface obtained in the step 1 on a ring frame 1 shown in figure 1, clamping by using a clamping ring 2 shown in figure 2, detecting that the surface tension is about 10N by using a tensiometer, and fixing the net surface for later use after ensuring that the surface has no wrinkles;
and step 3: manufacturing a net rack shown in fig. 3 and 4, wherein an ultrasonic interface 6 is arranged on one side of the net rack;
polishing the reverse side of the ultrasonic interface 6 of the net rack, using 80-mesh abrasive paper to ensure that no burrs exist on the surface of the net rack, and washing and drying the net rack by using clear water for later use after polishing;
polishing the surface of the ground net rack by using polishing cloth to ensure that the surface of the net rack is smooth;
and 4, step 4: preparing viscose: blending and stirring 40g of 504 super universal white A adhesive and 20g of 504 super universal orange B adhesive for 10min until the color is uniform light yellow for later use;
the method comprises the following steps of (1) horizontally placing a net rack on a horizontal operation table, enabling an ultrasonic interface 6 to face downwards, enabling a polishing surface to face upwards, and uniformly coating the adhesive on the polishing surface of the net rack, wherein the coating thickness is about 2-3 mm;
and 5: flatly placing the screen tightly stretched on the screen surface fixing and supporting tool in the step 2 on the screen frame coated with the viscose in the step 4, wherein an included angle between a screen line of the screen and an ultrasonic interface 6 of the screen frame is 30-60 degrees when the screen is placed, as shown in the attached drawing 6;
step 6: fixing the net rack and the net surface fixing and supporting tool edge by using a fixing tool as shown in fig. 5, wherein the fixing position is at the net rack edge 8, and the included angle between the net rack edge and the net surface fixing and supporting tool edge is about 45 degrees;
fastening 8 fixing tools, simultaneously fastening two opposite side fixing points during fastening, observing the surface tension of the screen surface 6 of the screen, and fixedly placing for more than 24 hours, wherein the surface tension is 20 +/-3N at 6 positions such as a, b, c, d, e, f and the like shown in figure 6;
and 7: and (4) removing the fixing tool and the net surface fixing and supporting tool, cutting the edge of the screen to enable the screen to be the same as the net rack in size, and finishing the manufacture of the screen.
Comparative example 1
The steps of the method are the same as those of the embodiment 6 except that the step 2 is omitted, a net surface fixing and supporting tool is not used, a manufacturing mode of an artificial stretching net is adopted, and the net surface of the screen is flatly placed on the net rack obtained in the step 4 in the step 5.
Comparative example 2
The procedure of example 6 was repeated except that the angles between the mesh lines of the mesh in step 5 and the ultrasonic horn 6 were changed to 90 ° and 180 °.
Comparative example 3
The procedure of example 6 was repeated except that the surface tension at the time of producing the screen in step 6 was changed to 10. + -.3N.
Comparative example 4
The procedure of example 6 was repeated except that the surface tension at the time of producing the screen in step 6 was changed to 30. + -.3N.
For comparison, 304 stainless steel wires commonly used for making screens, with wire diameter of 0.04mm and screen mesh side length of 53 μm, were selected and treated by the methods corresponding to the above-mentioned example 6, comparative example 1, comparative example 2, comparative example 3 and comparative example 4, and finally, metal Ti6Al4V and 316L spherical powders prepared by plasma rotating electrodes were sieved by each screen, and the ultrasonic interface 6 was connected to an ultrasonic transmitter during sieving, and the obtained data are shown in table 1:
TABLE 1 screening data for example 6 and comparative examples 1 to 4
As can be seen from Table 1, the manufacturing method of the invention can improve the screening efficiency of the screen, prolong the service life of the screen by 50 percent and greatly save the production cost.
The invention optimizes the manufacturing process from the angle of manufacturing the screen, so that the screen has excellent screening performance and longer service life in structure, thereby improving the quality of powder products, improving the production efficiency, prolonging the service life of the screen, saving the production cost and having good popularization value.
In the screen manufacturing process, the screen is firstly fixed on the screen surface fixing and supporting tool, then the screen surface fixing and supporting tool is horizontally placed on the net rack coated with the viscose, and the net rack and the screen surface fixing and supporting tool are fixed through the fixing tool, so that the surface tension of the screen is uniform; the tool is simple and convenient to operate, the effect of fixing the screen surface of the screen can be controlled by detecting the tension, and the problems of uneven tension, folds and the like in the screen surface fixing process can be effectively avoided.
The net rack is provided with the inner ring and the outer ring which are connected by the bracket, and the inner ring and the outer ring are both connected with the ultrasonic interface, so that the structure does not increase energy transmission resistance, is beneficial to the transmission of ultrasonic energy, and can effectively play roles in supporting and fixing.
According to the invention, the net rack is connected with the ultrasonic emitter, so that the superfine powder can receive huge ultrasonic acceleration, and the ultrasonic emitter generates ultrasonic vibration waves which are transmitted to the net surface of the screen through the net rack, thereby inhibiting the net blocking factors such as adhesion, friction, flat falling and wedging of the powder, improving the transmittance during screening of the screen, further improving the screen cleaning efficiency and optimizing the screening effect.
While the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (10)
1. The manufacturing method for prolonging the service life of the stainless steel wire screen is characterized by comprising the following steps of:
step 1: preparing a screen and cleaning;
step 2: flatly laying and tightly tightening the screen surface of the screen after being cleaned in the step 1 on a screen surface fixing and supporting tool;
and step 3: grinding and polishing the reverse side of the net rack;
and 4, step 4: flatly placing the net rack polished and polished in the step 3 on a horizontal operation table, enabling the back of the net rack to face upwards, and uniformly coating adhesive on the back of the net rack;
and 5: flatly placing the screen tightly stretched on the screen surface fixing and supporting tool in the step (2) on the screen frame coated with the adhesive in the step (4);
step 6: fixing the net rack and the net surface fixing and supporting tool edge for 20-24 hours by using a fixing tool;
and 7: and (4) removing the fixing tool and the net surface fixing and supporting tool, cutting the edge of the screen to enable the screen to be the same as the net rack in size, and finishing the manufacture of the screen.
2. The manufacturing method for prolonging the service life of the stainless steel wire screen mesh according to claim 1, is characterized in that: the screen surface size of the screen in the step 1 is 1000 multiplied by 1000mm, the screen is cleaned by ultrasonic wave for 30min, and then industrial alcohol is sprayed on the screen for secondary cleaning, and the screen is dried for standby.
3. The manufacturing method for prolonging the service life of the stainless steel wire screen mesh according to claim 1, is characterized in that: the net surface fixing and supporting tool in the step 2 is composed of a ring frame (1) and a clamping ring (2), wherein the ring frame (1) is a circular ring-shaped stainless steel ring, the clamping ring (2) is a circular ring-shaped stainless steel ring with one side broken, connectors (2-1) are arranged at two ends of the broken clamping ring (2), the two connectors (2-1) are connected through bolts, the clamping ring (2) is coaxially sleeved on the outer wall of the ring frame (1), the ring frame (1) is clamped tightly through the two connectors (2-1) connected through the bolts, and a tensiometer is used for detecting that the surface tension is 10N +/-2N in the clamping process.
4. The manufacturing method for prolonging the service life of the stainless steel wire screen mesh according to claim 3, wherein the manufacturing method comprises the following steps: the inner diameter of the ring frame (1) is the same as the diameter of a screen required to be manufactured, the thickness of the ring frame (1) in the diameter direction is 20mm, the height of the ring frame (1) in the vertical diameter direction is 15-25 mm, the inner diameter of the clamping ring (2) is larger than the outer diameter of the ring frame (1), and the thickness of the clamping ring (2) in the diameter direction is 4-6 mm.
5. The manufacturing method for prolonging the service life of the stainless steel wire screen mesh according to claim 1, is characterized in that: the net rack in the step 3 is composed of five supports (5), the outer wall of the inner ring (3) and the inner wall of the outer ring (4) are welded through the five supports (5), an included angle between every two adjacent supports (5) is 72 degrees, one end of each ultrasonic interface (6) is connected with the inner ring (3) and the outer ring (4) respectively, and the other end of each ultrasonic interface (6) is connected with an ultrasonic transmitter; the ultrasonic connector (6) is a stainless steel pipe with the diameter of 10mm, the thickness of the stainless steel pipe is 3mm, and the inner ring (3) and the outer ring (4) are both 304 stainless steel circular rings.
6. The manufacturing method for prolonging the service life of the stainless steel wire screen mesh according to claim 5, wherein the manufacturing method comprises the following steps: the step 3 of grinding and polishing the reverse side of the net rack specifically comprises the following steps: the reverse side of connecting ultrasonic wave interface (6) with the rack is polished, uses 80 mesh abrasive paper to polish, guarantees that rack surface is burr-free, polishes and washes with the clear water after accomplishing and dries, uses polishing cloth to polish the rack after polishing the processing after then, ensures that the reverse side surface that ultrasonic wave interface (6) was connected to the rack is smooth.
7. The manufacturing method for prolonging the service life of the stainless steel wire screen mesh according to claim 5, wherein the manufacturing method comprises the following steps: and in the step 5, the screen tightly stretched on the screen surface fixing and supporting tool in the step 2 is flatly placed on the screen frame coated with the viscose in the step 4, and the included angle between the screen line of the screen and the ultrasonic interface (6) is 30-60 degrees during placement.
8. The manufacturing method for prolonging the service life of the stainless steel wire screen mesh according to claim 1, is characterized in that: the fixing tool in the step 6 is composed of a fixing frame (7) and a screw (8), the fixing frame (7) comprises a first member (7-1), a second member (7-2), a third member (7-3) and a fourth member (7-4), wherein the end part of the first member (7-1) is vertically welded with the end part of the second member (7-2), the other end part of the second member (7-2) is vertically welded with the end part of the third member (7-3), the other end part of the third member (7-3) is vertically welded with the end part of the fourth member (7-4), the first member (7-1) is parallel to the third member (7-3), the second member (7-2) is parallel to the fourth member (7-4), and the lengths of the second member (7-2) and the third member (7-3) are the same, the lengths of the second member (7-2) and the third member (7-3) are larger than that of the first member (7-1) and the fourth member (7-4), the first member (7-1), the second member (7-2), the third member (7-3) and the fourth member (7-4) are located on the same plane, a threaded hole is formed in the first member (7-1), a screw (8) penetrates through the threaded hole to fix the net rack and the net surface fixing and supporting tool, the lower end of the screw (8) is in end face contact with the net surface fixing and supporting tool, and the upper end of the fourth member (7-4) is in end face contact with the net rack.
9. The manufacturing method for prolonging the service life of the stainless steel wire screen mesh according to claim 8, wherein the manufacturing method comprises the following steps: the net rack is fixed with the periphery of the net surface fixed support tool through eight fixed tools, the included angle between two adjacent fixed tools is 45 degrees, when the eight fixed tools are fastened, the fixed tools at two opposite side fixed points are fastened simultaneously respectively, fastening of four groups of fixed tools is completed, surface tension of all positions of the net surface of the screen is detected simultaneously, and the surface tension is 20 +/-3N.
10. The manufacturing method for prolonging the service life of the stainless steel wire screen mesh according to claim 1, is characterized in that: the wire diameter of the screen is 0.036-0.125 mm, and the side length of the mesh of the screen is 45-250 microns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110223192.2A CN112893116B (en) | 2021-03-01 | 2021-03-01 | Manufacturing method for prolonging service life of stainless steel wire screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110223192.2A CN112893116B (en) | 2021-03-01 | 2021-03-01 | Manufacturing method for prolonging service life of stainless steel wire screen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112893116A true CN112893116A (en) | 2021-06-04 |
| CN112893116B CN112893116B (en) | 2023-04-11 |
Family
ID=76107479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110223192.2A Active CN112893116B (en) | 2021-03-01 | 2021-03-01 | Manufacturing method for prolonging service life of stainless steel wire screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112893116B (en) |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1147364A (en) * | 1966-07-08 | 1969-04-02 | Miag Muehlenbau & Ind Gmbh | Method and apparatus for securing a sieve fabric to a sieve frame |
| CN2144031Y (en) * | 1992-11-17 | 1993-10-20 | 老松机械有限公司 | Improved structure of frame and screen for oscillating screen machine |
| KR100731685B1 (en) * | 2007-01-30 | 2007-06-22 | 여세현 | Pparatus and method for making screen of vibratory separator |
| KR100765918B1 (en) * | 2007-07-26 | 2007-10-10 | 여세현 | Method for making screen of vibratory separator |
| CN101225737A (en) * | 2008-01-31 | 2008-07-23 | 王海蛟 | Framework type clay mortar vibrating screen for petroleum and method for making same |
| CN101780454A (en) * | 2009-01-19 | 2010-07-21 | 中国石化集团胜利石油管理局钻井工艺研究院 | Bonding and preparation method of plate-type wave-shaped screen |
| US20120000052A1 (en) * | 2009-02-25 | 2012-01-05 | Axiom Process Ltd. | Manufacture of a filter screen |
| CN202219234U (en) * | 2011-09-09 | 2012-05-16 | 马应龙药业集团股份有限公司 | Manual screen |
| CN203437313U (en) * | 2013-08-14 | 2014-02-19 | 游溪霖 | Supersonic vibration screening device |
| CN206373066U (en) * | 2016-12-22 | 2017-08-04 | 五龙动力(重庆)锂电材料有限公司 | The taut net device of screen of screening machine |
| CN207935237U (en) * | 2018-06-20 | 2018-10-02 | 上海九鼎粉体材料(湘潭)有限公司 | A kind of compression tooling of stainless steel mesh |
| CN208555001U (en) * | 2018-05-25 | 2019-03-01 | 广东仁开科技有限公司 | A kind of sieve screen frame (unit) integral type ultrasonic activation sieve |
| CN109433599A (en) * | 2018-12-19 | 2019-03-08 | 苏州城邦达力材料科技有限公司 | The taut method processed of mesh screen taut device and mesh screen processed |
| CN210436050U (en) * | 2019-07-08 | 2020-05-01 | 新乡市高服机械股份有限公司 | Net mounting tool |
| CN210585788U (en) * | 2019-07-15 | 2020-05-22 | 内蒙古奥原新材料有限公司 | Ultrasonic vibration screen mesh mounting tool |
| CN111790588A (en) * | 2020-08-07 | 2020-10-20 | 泉州市翔一金属制品有限公司 | Mesh screen type dustpan and production and preparation process thereof |
-
2021
- 2021-03-01 CN CN202110223192.2A patent/CN112893116B/en active Active
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1147364A (en) * | 1966-07-08 | 1969-04-02 | Miag Muehlenbau & Ind Gmbh | Method and apparatus for securing a sieve fabric to a sieve frame |
| CN2144031Y (en) * | 1992-11-17 | 1993-10-20 | 老松机械有限公司 | Improved structure of frame and screen for oscillating screen machine |
| KR100731685B1 (en) * | 2007-01-30 | 2007-06-22 | 여세현 | Pparatus and method for making screen of vibratory separator |
| KR100765918B1 (en) * | 2007-07-26 | 2007-10-10 | 여세현 | Method for making screen of vibratory separator |
| CN101225737A (en) * | 2008-01-31 | 2008-07-23 | 王海蛟 | Framework type clay mortar vibrating screen for petroleum and method for making same |
| CN101780454A (en) * | 2009-01-19 | 2010-07-21 | 中国石化集团胜利石油管理局钻井工艺研究院 | Bonding and preparation method of plate-type wave-shaped screen |
| US20120000052A1 (en) * | 2009-02-25 | 2012-01-05 | Axiom Process Ltd. | Manufacture of a filter screen |
| CN202219234U (en) * | 2011-09-09 | 2012-05-16 | 马应龙药业集团股份有限公司 | Manual screen |
| CN203437313U (en) * | 2013-08-14 | 2014-02-19 | 游溪霖 | Supersonic vibration screening device |
| CN206373066U (en) * | 2016-12-22 | 2017-08-04 | 五龙动力(重庆)锂电材料有限公司 | The taut net device of screen of screening machine |
| CN208555001U (en) * | 2018-05-25 | 2019-03-01 | 广东仁开科技有限公司 | A kind of sieve screen frame (unit) integral type ultrasonic activation sieve |
| CN207935237U (en) * | 2018-06-20 | 2018-10-02 | 上海九鼎粉体材料(湘潭)有限公司 | A kind of compression tooling of stainless steel mesh |
| CN109433599A (en) * | 2018-12-19 | 2019-03-08 | 苏州城邦达力材料科技有限公司 | The taut method processed of mesh screen taut device and mesh screen processed |
| CN210436050U (en) * | 2019-07-08 | 2020-05-01 | 新乡市高服机械股份有限公司 | Net mounting tool |
| CN210585788U (en) * | 2019-07-15 | 2020-05-22 | 内蒙古奥原新材料有限公司 | Ultrasonic vibration screen mesh mounting tool |
| CN111790588A (en) * | 2020-08-07 | 2020-10-20 | 泉州市翔一金属制品有限公司 | Mesh screen type dustpan and production and preparation process thereof |
Non-Patent Citations (1)
| Title |
|---|
| 张圣明: "简述丝网印刷绷网环节", 《广东印刷》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112893116B (en) | 2023-04-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109227284B (en) | Polishing machine tool and clamp thereof | |
| CN112893116B (en) | Manufacturing method for prolonging service life of stainless steel wire screen | |
| CN207372889U (en) | A kind of sanding apparatus of magnetic material processing | |
| CN208262665U (en) | A kind of Taper Pipe equipment adjustable type pipe fitting clamping device | |
| CN215092807U (en) | Seamless steel pipe rust cleaning device convenient to carry | |
| CN208729254U (en) | A kind of auto parts and components processing multistation clamping device | |
| CN217521966U (en) | A switching support for nonstandard size wafer | |
| CN113183021B (en) | Grinding chamfering device | |
| CN206692888U (en) | One kind weaving cotton-wool cleaning device | |
| CN110065004A (en) | A kind of quartz wafer burnishing device | |
| CN213162286U (en) | All-round tubular part cleaning device is used in digit control machine tool processing | |
| CN211620372U (en) | Frosting liquid spraying device for processing frosted glass | |
| CN211540376U (en) | Machine tool fixture with cleaning device | |
| CN107127442A (en) | A kind of special soldering tip clamp mechanism of ultrasonic wave | |
| CN208084072U (en) | A kind of steel wire winding polyethylene composite plastic pipe oxide layer special grinding apparatus | |
| CN207206029U (en) | A kind of 90 degree of end face of elbow bevel apparatus of fire fighting supply | |
| CN213380950U (en) | Titanium alloy part grinds work piece clamping hanger | |
| CN209335464U (en) | A kind of disc sand sponge production fixture | |
| CN206483817U (en) | A kind of hot-rolling descaler nozzle positioner being conveniently replaceable | |
| CN218980737U (en) | Semiconductor processing terminal filtering device | |
| CN209125563U (en) | Polishing machine is used in a kind of production of alloy copper bar | |
| CN220259791U (en) | Adjustable clamping head | |
| CN220262184U (en) | Dust removal filter bag processing forming device | |
| CN218556571U (en) | Polishing workpiece for conical groove of crystallization wheel | |
| CN208269831U (en) | A kind of arc edge detection mechanism of battery pressure shell mold |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 710018 No. 45, Fengcheng Second Road, Xi'an Economic and Technological Development Zone, Xi'an City, Shaanxi Province Patentee after: Xi'an Ouzhong Materials Technology Co.,Ltd. Country or region after: China Address before: No.45, Fengcheng 2nd Road, economic and Technological Development Zone, Xi'an, Shaanxi 710018 Patentee before: XI'AN SINO-EURO MATERIALS TECHNOLOGIES Co.,Ltd. Country or region before: China |