CN111037223A - Manufacturing process of small-diameter porous filter cylinder for filter - Google Patents
Manufacturing process of small-diameter porous filter cylinder for filter Download PDFInfo
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- CN111037223A CN111037223A CN201911301793.XA CN201911301793A CN111037223A CN 111037223 A CN111037223 A CN 111037223A CN 201911301793 A CN201911301793 A CN 201911301793A CN 111037223 A CN111037223 A CN 111037223A
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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
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Abstract
The invention discloses a manufacturing process of a small-diameter porous filter cylinder for a filter, which is characterized in that a processed porous plate is placed into a filter cylinder pressing tool, pressing is carried out along the middle, then the porous plate is rotated, two straight edges are respectively pressed to obtain porous semicircular pipes, the two porous semicircular pipes are placed into a filter cylinder assembling tool to be assembled, spot welding is carried out, the two porous semicircular pipes are assembled and positioned, then the two porous semicircular pipes are assembled and positioned, and the filter cylinder pressing tool and the filter cylinder assembling tool are both as described in the specification. The invention not only can improve the manufacturing efficiency of the filter cartridge, but also effectively controls the ovality of the filter cartridge and meets the use requirements.
Description
Technical Field
The invention belongs to the technical field of filter manufacturing, relates to a manufacturing process of a filter cartridge, and particularly relates to a manufacturing process of a small-diameter porous filter cartridge for a filter.
Background
The information in this background section is only for enhancement of understanding of the general background of the invention and is not necessarily to be construed as an admission or any form of suggestion that this information forms the prior art that is already known to a person of ordinary skill in the art.
The filter is an indispensable device on a medium conveying pipeline and is usually arranged at the inlet end of a pressure reducing valve, a pressure relief valve, a constant water level valve and other equipment of a squaring filter. After the filter is provided with the filter cylinder with a filter screen with a certain specification, impurities are blocked, when the filter needs to be cleaned, the filter cylinder can be taken out only by taking out the detachable filter cylinder and then reloading the detachable filter cylinder after treatment, so that the use and maintenance are very convenient.
The filter cartridge is a key component of filter equipment, and the component is a hollow cylindrical structure with a plurality of small-diameter through holes formed in the wall, and the manufacturing quality and the processing progress of the hollow cylindrical structure directly influence the manufacturing quality and the manufacturing period of the filter equipment. The conventional filter cartridge is manufactured by the following method: the pipe is drilled, and the mode has a long processing period and is difficult to clean internal burrs due to the large number of holes.
Disclosure of Invention
In order to solve the problem of long drilling period of the pipe, the inventor of the invention provides another manufacturing method, punching a hole on a plate, dividing the hole plate into two halves, bending the two halves of the hole plate into two porous semicircular pipes according to the lofting size by using a bending machine, and finally assembling and welding the two semicircular pipes, wherein the processing efficiency is improved. However, practical operation shows that the ovality of the filter cartridge manufactured by the manufacturing method is large, the use requirement is difficult to meet, and the later correction workload is large.
In order to solve the defects of the prior art, the invention aims to provide a process for manufacturing a small-diameter porous filter cylinder for a filter, which can improve the manufacturing efficiency of the filter cylinder, effectively control the ovality of the filter cylinder and meet the use requirements.
In order to achieve the purpose, the technical scheme of the invention is as follows:
on the one hand, a strain a section of thick bamboo suppression frock, includes hydraulic press, embossing mold utensil and forming die, forming die is groove structure, groove structure's axial cross-section has the semicircle type sunken, and forming die internal diameter is littleer 5 ~ 20mm than filter section of thick bamboo external diameter, forming die is the drum structure, and forming die external diameter is less than a section of thick bamboo internal diameter, and forming die fixed connection is on the connecting piece, and the connecting piece is the wedge structure for axial cross-section, and the pointed end and the forming die of wedge structure are connected, and the hydraulic press is connected to the wide end of wedge structure, and the pointed end of wedge structure points to the centre of a circle of forming die axial cross-.
Firstly, the inner diameter of the forming die is 5-20 mm smaller than the outer diameter of the filter cartridge, the resilience of the material can be utilized, the ovality of the porous semicircular tube is well controlled, and the ovality deviation of the porous semicircular tube can be controlled within 1 mm. Secondly, porous semicircle pipe edge is difficult to form anticipated shape, and when removing porous semicircle pipe further processing porous semicircle pipe edge, the inclined plane of wedge structure and forming die form the sunk space, can avoid being connected of forming die and cutter to hinder porous semicircle pipe to remove too big to prevent porous semicircle pipe deformation. And thirdly, the outer diameter of the forming die is smaller than the inner diameter of the filter cartridge, so that the filter cartridge with different wall thicknesses can be processed.
In order to further control the ovality of the filter cartridge, on the other hand, the filter cartridge assembling tool comprises an upper assembling module and a lower assembling module, the upper assembling module and the lower assembling module are matched to form a cylindrical space, the axial section diameter of the cylindrical space is equal to the outer diameter of the filter cartridge, one side of the upper assembling module is hinged to one side of the lower assembling module, and the other side of the upper assembling module is connected with the other side of the lower assembling module through bolts.
According to the invention, one side of the upper assembling module and one side of the lower assembling module are hinged, and the other side of the upper assembling module and the lower assembling module are connected through bolts, so that the two porous semicircular pipes are fixed in a cylindrical space, and the ovality of the filter cartridge is further controlled.
The third aspect is that the small-diameter porous filter cylinder manufacturing process for the filter is characterized in that a processed porous plate is placed into the filter cylinder pressing tool, pressing is conducted along the middle of the tool firstly, then the porous plate is rotated, two straight edges are pressed respectively to obtain porous semicircular pipes, the two porous semicircular pipes are placed into the filter cylinder assembling tool to be assembled, spot welding is conducted, the two porous semicircular pipes are assembled and positioned, and then the two porous semicircular pipes are welded.
The invention has the beneficial effects that:
1. the manufacturing process realizes one-time pressing forming of the porous semicircular tube by using the pressing tool, and improves the pressing efficiency of the porous semicircular tube by about 20 times.
2. The manufacturing process of the invention utilizes the rebound resilience of the material to better control the ovality of the porous semicircular tube, so that the porous semicircular tube meets the use requirement.
3. According to the manufacturing process, the assembly tool is used, the ovality of the filter cartridge is further corrected, and the overall ovality of the filter cartridge is guaranteed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
FIG. 1 is a front view of a filter cartridge pressing tool structure according to embodiment 1 of the present invention;
FIG. 2 is a side view of the structure of a filter cartridge pressing tool in example 1 of the present invention;
the device comprises a forming die 1, a forming half pipe 1.1, a connecting support plate 1.2, a pressing die 2, a pressing circular pipe 2.1 and a connecting piece 2.2.
FIG. 3 is a front view of a filter cartridge assembly tooling structure according to embodiment 1 of the present invention;
FIG. 4 is a side view of a filter cartridge assembly tooling structure according to example 1 of the present disclosure;
wherein, 3, the support frame, 3.1 support channel-section steel 1, 3.2, support channel-section steel 2, 3.3, support angle steel, 4, group are to the module, 4.1, lower group are to the module, 4.2, go up group to the module, 4.3, connection fixed plate, 4.4, fastening bolt, 4.5, connection hinge.
FIG. 5 is a schematic view of a pressing process of the perforated semicircular tube according to example 1 of the present invention.
Detailed Description
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
In view of the problem of long processing period of the manufacturing process of the existing filter cartridge, the invention provides a manufacturing process of a small-diameter porous filter cartridge for a filter.
The invention provides a filter cartridge pressing tool which comprises a hydraulic machine, a pressing die and a forming die, wherein the forming die is of a groove structure, the axial section of the groove structure is provided with a semicircular recess, the inner diameter of the forming die is 5-20 mm smaller than the outer diameter of a filter cartridge, the outer diameter of the forming die is of a cylindrical structure, the outer diameter of the forming die is smaller than the inner diameter of the filter cartridge, the forming die is fixedly connected to a connecting piece, the axial section of the connecting piece is of a wedge-shaped structure, the tip end of the wedge-shaped structure is connected with the forming die, the wide end of the wedge-shaped structure is connected with the hydraulic machine, the tip end of the wedge-shaped structure points to the circle center of the.
Firstly, the inner diameter of the forming die is 5-20 mm smaller than the outer diameter of the filter cartridge, the resilience of the material can be utilized, the ovality of the porous semicircular tube is well controlled, and the ovality deviation of the porous semicircular tube can be controlled within 1 mm. Secondly, porous semicircle pipe edge is difficult to form anticipated shape, and when removing porous semicircle pipe further processing porous semicircle pipe edge, the inclined plane of wedge structure and forming die form the sunk space, can avoid being connected of forming die and cutter to hinder porous semicircle pipe to remove too big to prevent porous semicircle pipe deformation. And thirdly, the outer diameter of the forming die is smaller than the inner diameter of the filter cartridge, so that the filter cartridge with different wall thicknesses can be processed.
One end of the wedge-shaped structure is a tip end, and the other end of the wedge-shaped structure is a wide end.
In one or more embodiments of the present disclosure, the ratio of the diameter of the semicircular recess to the outer diameter of the forming mold is 100: 70-71.
In one or more embodiments of this embodiment, the outer diameter of the pressing die is 25 to 30mm smaller than the inner diameter of the filter cartridge.
In one or more embodiments of this embodiment, the length of the forming die is greater than the length of the forming die.
The filter cartridge assembling tool comprises an upper assembling module and a lower assembling module, wherein the upper assembling module and the lower assembling module are matched to form a cylindrical space, the axial section diameter of the cylindrical space is equal to the outer diameter of the filter cartridge, one side of the upper assembling module is hinged with one side of the lower assembling module, and the other side of the upper assembling module is connected with the other side of the lower assembling module through a bolt.
According to the invention, one side of the upper assembling module and one side of the lower assembling module are hinged, and the other side of the upper assembling module and the lower assembling module are connected through bolts, so that the two porous semicircular pipes are fixed in a cylindrical space, and the ovality of the filter cartridge is further controlled.
In one or more embodiments of this embodiment, one side of the upper pair of mated modules and one side of the lower pair of mated modules are hingedly connected by a connecting hinge.
In one or more embodiments of this embodiment, the other side of the upper pairing module and the other side of the lower pairing module are both provided with a connecting and fixing plate, the connecting and fixing plate is provided with a strip-shaped hole, and a bolt connects the upper pairing module and the lower pairing module through the strip-shaped hole of the connecting and fixing plate.
In one or more embodiments of this embodiment, the lower pair of modules includes a support frame to which the lower pair of modules is secured.
The third embodiment of the invention provides a process for manufacturing a small-diameter porous filter cylinder for a filter, which comprises the steps of putting a processed porous plate into the filter cylinder pressing tool, pressing along the middle, rotating the porous plate, pressing two straight edges to obtain porous semicircular tubes, putting the two porous semicircular tubes into the filter cylinder assembling tool for assembling, performing spot welding, assembling and positioning the two porous semicircular tubes, and welding the two porous semicircular tubes positioned in an assembling manner.
In one or more embodiments of this embodiment, the pressed perforated semicircular tube is inspected and straightened.
In the series of embodiments, the pressed porous semicircular tubes are inspected by using a measuring tape, and parts with larger ovality deviation are corrected by using a wooden hammer. The deviation of local ovality is larger than 1mm, and the adoption of a wooden hammer is corrected, so that excessive correction or damage to the porous semicircular pipe is avoided.
In one or more embodiments of this embodiment, the spot welds are argon arc welds. And a small current spot welding mode is adopted, so that the filter cartridge is prevented from being burnt through.
In one or more embodiments of the present disclosure, the welding is performed by manual argon arc welding, the welding current is 60-90A, the welding voltage is 16-18V, and the welding argon flow is 10-15L/min.
In one or more embodiments of this embodiment, the multi-well plate is prepared by punching with a punch press.
In this series of examples, a perforated plate was obtained by punching with a punch and then shearing.
In order to make the technical solutions of the present invention more clearly understood by those skilled in the art, the technical solutions of the present invention will be described in detail below with reference to specific embodiments.
Example 1
A filter cartridge pressing tool comprises a hydraulic machine, a pressing die (1) and a forming die (2) as shown in figures 1-2, wherein the forming die (1) is formed by assembling and welding a forming half pipe (1.1) and a connecting support plate (1.2), and the specification of the forming half pipe (1.1) is as follows
108mm multiplied by 8mm, length 1600mm, connecting support plate (1.2) size 60mm multiplied by 100mm multiplied by 12 mm; the pressing mould (2) is formed by assembling and welding a pressing circular tube (2.1) and a connecting piece (a bending machine cutter) (2.2), and the specification of the pressing circular tube (2.1) is
76mm 6mm, length 1550 mm.
The filter cartridge assembling tool is formed by assembling and welding a support frame (3) and an assembling module (4) as shown in figures 3-4, wherein the support frame (3) is formed by assembling and welding a support channel steel 1(3.1), a support channel steel 2(3.2) and support angle steel (3.3), the support channel steel 1(3.1) and the support channel steel 2(3.2) are in the specification of 12, the width is 120mm, the height is 53mm, the thickness is 5.5mm, the material is preferably stainless steel, the length of the support channel steel 1(3.1) is 1500mm, the length of the support channel steel 2(3.2) is 600mm, the specification of the support angle steel (3.3) is ∠ 40 x 4mm, the length is 600mm, the assembling module (4) is formed by a lower assembling module (4.1), an upper assembling module (4.2), a connecting fixing plate (4.3), a fastening bolt (4.4) and a connecting hinge (4.5), the lower assembling module (4.1) and the upper assembling module (4.2) are fixedly welded with the upper assembling module (4.1), and the upper assembling module (4.2) and the lower assembling module (4.5) are respectively welded, and the connecting plate (4.2) and the upper assembling module (4.2) and the connecting module (
A long hole of 13mm, and the lower group is used for fastening the module (4.1) and the upper group is used for fastening the module (4.2) through fastening bolts (4.4).
The manufacturing process comprises the following steps:
(1) and (3) manufacturing a pore plate: the orifice plate is punched with a punch and then cut into two halves on average with a plate cutter. The hole plate is evenly arranged in half and half according to lofting before punching, the plate is firmly fixed during punching, punching quality is guaranteed, and dirt such as burrs and oil stains are cleaned after punching.
(2) Pressing and forming the porous semi-circular pipe: as shown in fig. 5, the processed orifice plate is placed on a pressing tool, and is pressed along the middle, and then the orifice plate is rotated to press the two straight edges respectively.
(3) And (3) checking and correcting: the pressed porous semicircular pipe is inspected by using the tape measure, the deviation of local ovality is larger than 1mm, and the porous semicircular pipe is prevented from being excessively corrected or damaged by using a wooden hammer.
(4) The filter cartridge is paired: the ovality of the filter cartridge is further corrected by adopting assembly tooling, argon arc welding is adopted for positioning welding, and a small-current spot welding mode is adopted, so that the filter cartridge is prevented from being burnt through.
(5) Welding: and welding the assembled filter cylinder by adopting argon arc welding (the welding current is 60-90A, the welding voltage is 16-18V, and the welding argon flow is 10-15L/min), and cleaning oil stains, rust stains and the like at the welding part before welding.
(6) And (4) checking: and after welding, inspecting the welding seam and the ovality of the filter cylinder, wherein the welding seam has no surface defects such as air holes, incomplete fusion and the like, and the ovality of the filter cylinder is not more than 1 mm.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a strain a suppression frock, characterized by includes hydraulic press, embossing mold utensil and forming die, forming die is groove structure, groove structure's axial cross-section has the semicircle type sunken, and forming die internal diameter is less than 5 ~ 20mm than the filter and strains a section of thick bamboo external diameter, forming die is the drum structure, and the forming die external diameter is less than and strains a section of thick bamboo internal diameter, and forming die fixed connection is on the connecting piece, and the connecting piece is the wedge structure for axial cross-section, and the pointed end and the forming die of wedge structure are connected, and the hydraulic press is connected to the wide end of wedge structure, and the pointed end of wedge structure points to the centre of a circle of forming die.
2. The filter cartridge pressing tool according to claim 1, wherein the ratio of the diameter of the semicircular recess to the outer diameter of the forming die is 100: 70-71.
3. The filter cartridge pressing tool of claim 1, wherein the outer diameter of the pressing die is 25-30 mm smaller than the inner diameter of the filter cartridge.
4. The utility model provides a strain a group to frock, characterized by includes to go up to the module and to the module down, goes up to form cylindric space to the module and forms after the module cooperation down to the module, the axial cross-section diameter in cylindric space equals with the external diameter of straining a section of thick bamboo, goes up to articulate to one side of module and one side of module down, goes up to the opposite side of module and the other side bolted connection of module down to.
5. The filter cartridge assembly kit of claim 4, wherein one side of the upper assembly module and one side of the lower assembly module are hinged by a connecting hinge.
6. The filter cartridge assembling tooling of claim 4, wherein the other side of the upper assembling module and the other side of the lower assembling module are provided with connecting and fixing plates, the connecting and fixing plates are provided with strip-shaped holes, and bolts are used for connecting the upper assembling module and the lower assembling module through the strip-shaped holes of the connecting and fixing plates.
7. A manufacturing process of a small-diameter porous filter cylinder for a filter is characterized in that a processed porous plate is placed into the filter cylinder pressing tool of any one of claims 1 to 3, pressing is conducted along the middle of the filter cylinder, then the porous plate is rotated, two straight edges are respectively pressed to obtain porous semicircular tubes, the two porous semicircular tubes are placed into the filter cylinder assembling tool of any one of claims 4 to 6 to be assembled, then spot welding is conducted, the two porous semicircular tubes are assembled and positioned, and then the two porous semicircular tubes are welded.
8. The process for manufacturing a small-diameter porous filter cartridge for a filter as claimed in claim 7, wherein the pressed porous semicircular tube is inspected and corrected.
9. A process for making a small diameter porous filter cartridge for a filter as described in claim 7 wherein the spot welds are argon arc welds. And a small current spot welding mode is adopted, so that the filter cartridge is prevented from being burnt through.
10. The process for manufacturing a small-diameter porous filter cartridge for a filter according to claim 7, wherein the welding is performed by manual argon arc welding, the welding current is 60-90A, the welding voltage is 16-18V, and the welding argon flow is 10-15L/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201911301793.XA CN111037223B (en) | 2019-12-17 | 2019-12-17 | Manufacturing process of small-diameter porous filter cylinder for filter |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911301793.XA CN111037223B (en) | 2019-12-17 | 2019-12-17 | Manufacturing process of small-diameter porous filter cylinder for filter |
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| CN111037223A true CN111037223A (en) | 2020-04-21 |
| CN111037223B CN111037223B (en) | 2021-05-04 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4332006C2 (en) * | 1993-09-21 | 1996-04-11 | Daimler Benz Ag | Balance weights that can be attached to a rotor to be balanced by resistance-electric spot welding |
| WO2010132894A1 (en) * | 2009-05-15 | 2010-11-18 | Vast Power Portfilio, Llc | Method and apparatus for strain relief in thermal liners for fluid transfer |
| CN102366789A (en) * | 2011-09-28 | 2012-03-07 | 安徽永钰过滤器有限公司 | Neck forming die for filter housing cover |
| CN102950420A (en) * | 2011-08-17 | 2013-03-06 | 东台市远洋不锈钢制造有限公司 | Large-caliber stainless steel thin-wall bend process |
| CN203356943U (en) * | 2013-07-24 | 2013-12-25 | 中国航空技术北京有限公司 | Pipe fitting butt-welding correcting and positioning device |
-
2019
- 2019-12-17 CN CN201911301793.XA patent/CN111037223B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4332006C2 (en) * | 1993-09-21 | 1996-04-11 | Daimler Benz Ag | Balance weights that can be attached to a rotor to be balanced by resistance-electric spot welding |
| WO2010132894A1 (en) * | 2009-05-15 | 2010-11-18 | Vast Power Portfilio, Llc | Method and apparatus for strain relief in thermal liners for fluid transfer |
| CN102950420A (en) * | 2011-08-17 | 2013-03-06 | 东台市远洋不锈钢制造有限公司 | Large-caliber stainless steel thin-wall bend process |
| CN102366789A (en) * | 2011-09-28 | 2012-03-07 | 安徽永钰过滤器有限公司 | Neck forming die for filter housing cover |
| CN203356943U (en) * | 2013-07-24 | 2013-12-25 | 中国航空技术北京有限公司 | Pipe fitting butt-welding correcting and positioning device |
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