CN113275848A - Production process of laser welding double-layer sieve - Google Patents
Production process of laser welding double-layer sieve Download PDFInfo
- Publication number
- CN113275848A CN113275848A CN202110691275.4A CN202110691275A CN113275848A CN 113275848 A CN113275848 A CN 113275848A CN 202110691275 A CN202110691275 A CN 202110691275A CN 113275848 A CN113275848 A CN 113275848A
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- layer part
- laser welding
- production process
- double
- outer layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/12—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass gratings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/12—Working by laser beam, e.g. welding, cutting or boring in a special atmosphere, e.g. in an enclosure
- B23K26/123—Working by laser beam, e.g. welding, cutting or boring in a special atmosphere, e.g. in an enclosure in an atmosphere of particular gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
- B23K26/24—Seam welding
- B23K26/28—Seam welding of curved planar seams
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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
- B07B1/04—Stationary flat screens
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Laser Beam Processing (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a production process of a laser welding double-layer sieve, which comprises the following steps: the method comprises the following steps: selecting stainless iron or stainless steel as a raw material; step two: performing laser welding on the raw material; step three: pressing by using a hydraulic machine to enable the product in the step two to be inwardly shrunk to obtain an inner layer part and an outer layer part; step four: placing the inner layer part into a clamp with glue spraying function, clamping the product by pulling in a cylinder, and curling the opening part; step five: compressing the bottom inward-contracting part of the outer layer part by using a parallel bar hydraulic machine; step six: pulling the outer member out of the ribs; step seven: and putting the screen and the inner layer part obtained in the fourth step into the outer layer part obtained in the sixth step, and combining the screen and the inner layer part through a press machine to obtain the double-layer sieve. In the invention, the sieve produced by the novel process has the advantages of difficult rusting, bright surface, high strength and easy superposition, and the production process has low cost, no waste material and environmental friendliness, thereby being worthy of popularization.
Description
Technical Field
The invention relates to the technical field, in particular to a production process of a laser welding double-layer sieve.
Background
In daily life, industrial production and laboratories, the sieve is one of the most common articles used by people, is used for material screening, filtering water and the like, and plays a significant role in the market.
In the existing metal sieve, electroplating, sand casting, forging and other processes are mostly adopted, and the metal sieve has the defects of low efficiency, serious pollution, long manufacturing period and the like. In order to solve the technical problem, a production process of a laser welding double-layer sieve tool is provided.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects of the technology, and the invention provides:
a production process of a laser welding double-layer sieve tool comprises the following specific steps:
the method comprises the following steps: selecting stainless iron or stainless steel with smooth surface as a raw material for later use;
step two: feeding the raw material into a round rolling mechanism through a numerical control feeder for laser welding to obtain a primary product;
step three: matching the dies, and pressing by using a 45T hydraulic press to enable the first-stage product in the step two to be inwards shrunk to obtain an inner-layer part and an outer-layer part;
step four: putting the inner layer part pressed in the third step into a clamp with glue spraying function, clamping the product by pulling in a cylinder, and curling the opening part;
step five: pressing the outer layer part in the third step by using a 100T parallel bar hydraulic press to press the bottom retraction part;
step six: step five, after the bottom is pressed, putting the pressed bottom into an external expansion die, and expanding the outer layer part by the pressure of a cylinder; the reinforcing rib is pulled out of the outer layer part through an arc wheel with a bearing and arranged on the inner side of the outer layer part and a wheel with a groove and a bearing, wherein the groove is arranged on the outer side of the outer layer part;
step seven: and putting the screen and the inner layer part obtained in the fourth step into the outer layer part obtained in the sixth step, and combining the screen and the inner layer part through a press machine to obtain the double-layer sieve.
In the second step, the raw material is protected by nitrogen gas in laser welding.
In the third step of the edge shrinking operation, the die is a high-hardness die and is used together with lubricating liquid.
As an improvement, in the fourth step, the motor is operated and the tungsten steel edge rolling wheel with the bearing is pressed down to enable the edge rolling of the finished product to be smooth and bright.
In step five, the bottom of the outer layer part is pressed and formed by an upper cylinder and a lower cylinder.
As a refinement, a plurality of said double-deck sifters may be stacked in the vertical direction.
Compared with the prior art, the invention has the advantages that: the novel laser welding double-layer sieve adopts stainless iron and stainless steel as raw materials, and the surface of a finished product is bright; the production adopts automatic edge rolling laser welding, and then processes such as pressing, rolling and the like are carried out, so that the original brightness of the product surface is kept, the product has no redundant waste from one steel strip to the completion of the production, and the brightness of the product can be comparable to that of electroplating.
In the invention, the investment of new technology greatly reduces the material cost, reduces the environmental pollution caused by electroplating and ensures that the product has market competitiveness; the technology of the invention can manufacture double-layer sieves with variable diameters.
Drawings
Fig. 1 is a diagram showing the actual production of step one in the production process of a laser welded double-layer sifter device according to the present invention.
Fig. 2 is a diagram showing the actual production of step two in the process of laser welding a double-layer screen according to the present invention.
Fig. 3 is a diagram of an intermediate product of step two of the process for producing a laser welded double layer screen according to the present invention.
Fig. 4 is a diagram showing the actual production of step three in the process of laser welding a double-layer screen according to the present invention.
Fig. 5 is a diagram of an intermediate product from step three of the process for producing a laser welded double layer screen according to the present invention.
Fig. 6 is a diagram showing the actual production of step four in the process of laser welding a double-layer sifter device according to the present invention.
Fig. 7 is a diagram of an intermediate product from step four of the process for producing a laser welded double layer screen according to the present invention.
Fig. 8 is a diagram of the actual production of step five in the process of laser welding a double-layer sifter device according to the present invention.
Fig. 9 is a diagram of an intermediate product from step five of the process for producing a laser welded double layer screen of the present invention.
Fig. 10 is a diagram of the actual production of step six of the laser welding process for producing a double-layer sifter device according to the present invention.
Fig. 11 is a diagram of an intermediate product from step six of a process for producing a laser welded double layer screen according to the present invention.
Fig. 12 is a raw material diagram of step seven in the manufacturing process of a laser welded double layer sifter device of the present invention.
Fig. 13 is a diagram showing the actual production of step seven in the process of laser welding a double-layer sifter device according to the present invention.
Fig. 14 is a schematic structural diagram of a double-layer sifter in a production process of a laser welding double-layer sifter according to the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", "vertical", "circumferential", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
The following describes the production process of a laser welding double-layer sieve in detail with reference to the accompanying drawings.
With reference to the accompanying drawings, fig. 1 to 14 show a production process of a laser welding double-layer sieve, which comprises the following specific steps:
the method comprises the following steps: selecting stainless iron or stainless steel with smooth surface as a raw material for later use, wherein both the stainless iron and the stainless steel have the characteristic of difficult rusting;
step two: feeding the raw material into a round rolling mechanism through a numerical control feeder for laser welding, so that the product obtains the required precision, and a primary product is obtained;
step three: matching the dies, and pressing by using a 45T hydraulic press to enable the first-stage product in the step two to be inwards shrunk to obtain an inner-layer part and an outer-layer part;
step four: putting the inner layer part pressed in the third step into a clamp with glue spraying function, clamping the product by pulling in a cylinder, and curling the opening part;
step five: pressing the outer layer part in the third step by using a 100T parallel bar hydraulic press to press the bottom retraction part;
step six: step five, after the bottom is pressed, putting the pressed bottom into an external expansion die, and expanding the outer layer part by the pressure of a cylinder; the bottom pressing position is simultaneously pressed in the outer wheel and pulled out of the inner wheel through the arc wheel which is arranged on the inner side of the outer layer part and is provided with the bearing and the wheel which is arranged on the outer side of the outer layer part and is provided with the groove of the bearing, so that the outer layer part is pulled out of the reinforcing ribs, the reinforcing ribs strengthen the strength of the sieve, and a plurality of sieves are conveniently stacked;
step seven: and putting the screen and the inner layer part obtained in the fourth step into the outer layer part obtained in the sixth step, and combining the outer layer part and the inner layer part through a press machine to ensure that the outer layer part and the inner layer part are firmer to obtain the double-layer sieve.
In this embodiment, in the second step, the raw material is protected by nitrogen gas during laser welding, so that the surface is kept bright.
In this embodiment, in the edge shrinking operation in the third step, the mold is a high-hardness mold and is used in combination with a lubricating liquid, so that no scratch is formed on the surface of the product.
In the embodiment, in the fourth step, the motor is operated and the tungsten steel hemming wheel with the bearing is pressed down to enable the finished hemming to be smooth and bright.
In this embodiment, in step five, the bottom of the outer layer member is pressed by the upper and lower cylinders to be formed, so that the product is not wrinkled. The surface brightness is not damaged.
In this embodiment, a plurality of the double-deck sifters may be stacked in the vertical direction.
The working principle of the invention is as follows: the outer layer part is manufactured by three procedures of welding, inner contraction edge and mouth part curling, the outer layer part is manufactured by four procedures of welding, inner contraction edge, bottom stamping and reinforcing rib pulling at the upper part of the bottom, and finally, the mesh and the inner layer part are placed in the outer layer part and are combined and molded by a press; in the invention, the sieve produced by the novel process has the advantages of difficult rusting, bright surface, high strength and easy superposition, and the production process has low cost, no waste material and environmental friendliness, thereby being worthy of popularization.
The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. A production process of a laser welding double-layer sieve tool is characterized in that: the production process comprises the following specific steps:
the method comprises the following steps: selecting stainless iron or stainless steel with smooth surface as a raw material for later use;
step two: feeding the raw material into a round rolling mechanism through a numerical control feeder for laser welding to obtain a primary product;
step three: matching the dies, and pressing by using a 45T hydraulic press to enable the first-stage product in the step two to be inwards shrunk to obtain an inner-layer part and an outer-layer part;
step four: putting the inner layer part pressed in the third step into a clamp with glue spraying function, clamping the product by pulling in a cylinder, and curling the opening part;
step five: pressing the outer layer part in the third step by using a 100T parallel bar hydraulic press to press the bottom retraction part;
step six: step five, after the bottom is pressed, putting the pressed bottom into an external expansion die, and expanding the outer layer part by the pressure of a cylinder; the reinforcing rib is pulled out of the outer layer part through an arc wheel with a bearing and arranged on the inner side of the outer layer part and a wheel with a groove and a bearing, wherein the groove is arranged on the outer side of the outer layer part;
step seven: and putting the screen and the inner layer part obtained in the fourth step into the outer layer part obtained in the sixth step, and combining the screen and the inner layer part through a press machine to obtain the double-layer sieve.
2. The production process of the laser welding double-layer sieve tool according to claim 1, characterized in that: and in the second step, the raw material is protected by nitrogen in laser welding.
3. The production process of the laser welding double-layer sieve tool according to claim 1, characterized in that: in the edge shrinking operation of the third step, the die is a high-hardness die and is matched with lubricating liquid for use.
4. The production process of the laser welding double-layer sieve tool according to claim 1, characterized in that: in the fourth step, the motor is operated and the tungsten steel edge rolling wheel with the bearing is pressed down to ensure that the edge of the finished product is smooth and bright.
5. The production process of the laser welding double-layer sieve tool according to claim 1, characterized in that: in step five, the bottom of the outer layer part is pressed by an upper cylinder and a lower cylinder to be formed.
6. The production process of the laser welding double-layer sieve tool according to claim 1, characterized in that: a plurality of the double-deck sifters may be stacked in a vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110691275.4A CN113275848B (en) | 2021-06-22 | 2021-06-22 | Production process of laser welding double-layer sieve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110691275.4A CN113275848B (en) | 2021-06-22 | 2021-06-22 | Production process of laser welding double-layer sieve |
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| Publication Number | Publication Date |
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| CN113275848A true CN113275848A (en) | 2021-08-20 |
| CN113275848B CN113275848B (en) | 2022-09-23 |
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Citations (8)
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| JP2008221137A (en) * | 2007-03-13 | 2008-09-25 | Confect Crown:Kk | Sieve implement and sieve device |
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| CN210333351U (en) * | 2019-06-30 | 2020-04-17 | 惠州泓海新材料科技有限公司 | But filter sieve of quick replacement screen cloth |
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2021
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| JP2008221137A (en) * | 2007-03-13 | 2008-09-25 | Confect Crown:Kk | Sieve implement and sieve device |
| CN101438932A (en) * | 2007-11-20 | 2009-05-27 | 珠海格力电器股份有限公司 | Inner pot of electric cooker and manufacturing method thereof |
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| WO2020251035A1 (en) * | 2019-06-12 | 2020-12-17 | 日精エー・エス・ビー機械株式会社 | Preform, resin-made container, and manufacturing method therefor |
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| 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 |
| CN112191023A (en) * | 2020-11-02 | 2021-01-08 | 石家庄天诚特种设备有限公司 | Industrial slotted screen and laser processing technology thereof |
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Address after: No. 1, Building 16, No. 1999, Wuxing West Road, Cao'e Street, Shangyu District, Shaoxing City, Zhejiang Province 312300 Applicant after: Zhejiang Zhanhui Instrument Technology Co.,Ltd. Address before: 312300 room 206, building 35, North District, Wenhua new village, Baiguan street, Shangyu City, Shaoxing City, Zhejiang Province Applicant before: Zhejiang Zhanhui Instrument Technology Co.,Ltd. |
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