CN111014363B - Double-layer combined type stand column of large bending machine and preparation method thereof - Google Patents
Double-layer combined type stand column of large bending machine and preparation method thereof Download PDFInfo
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- CN111014363B CN111014363B CN201911361616.0A CN201911361616A CN111014363B CN 111014363 B CN111014363 B CN 111014363B CN 201911361616 A CN201911361616 A CN 201911361616A CN 111014363 B CN111014363 B CN 111014363B
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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
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
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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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- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention discloses a double-layer combined upright post of a large bending machine and a preparation method thereof, wherein the upright post is formed by welding a front plate and a rear plate which have the same shape, and the thicknesses of the front plate and the rear plate are the same; the welding holes which are arranged in a staggered mode are formed in the front plate and the rear plate, after the two plates are overlapped and aligned, the welding holes are welded with the front plate or the rear plate, the welding holes are filled with the blocking plates, the edges of the blocking plates are welded with the welding holes, and finally the butt joint gaps at the peripheries of the front plate and the rear plate are welded firmly. According to the invention, two plates with the same shape and thickness are welded into the upright post of the large bending machine, so that the rigidity of the upright post is ensured, the processing period is shortened, and the production cost is reduced; when welding the front plate and the rear plate, in order to ensure that the two plates can be tightly attached, a plurality of welding holes which are arranged in a staggered manner are formed in the two plates, and the front plate and the rear plate are firmly attached through the welding of the welding holes and the rear plate, so that the rigidity of the stand column is ensured.
Description
Technical Field
The invention relates to the technical field of bending equipment, in particular to a double-layer combined type stand column of a large bending machine and a preparation method thereof.
Background
The bending machine is an important device for sheet metal processing, and is a general machine for bending sheet metal. The rigidity of the bending machine directly influences the precision of the workpiece, and the upright post serving as an important part in the bending machine also meets the requirement of rigidity. The stand of present large-scale bender generally adopts single-deck plate structure, and required panel thickness specification is big, is non-standard specification in the steel market, needs special processing, and supply of goods cycle length, with high costs have influenced the manufacturing cost and the production cycle of bender.
Disclosure of Invention
The invention aims to provide a double-layer combined type upright post of a large bending machine and a preparation method thereof.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a double-layer combined upright post of a large bending machine is formed by welding a front plate and a rear plate which are identical in shape, wherein the front plate and the rear plate are identical in thickness, and the front plate is 80-140mm in thickness.
Preferably, the thickness of the upright post is 160-280 mm.
The preparation method of the double-layer combined type stand column of the large bending machine is characterized by comprising the following steps of:
step one, forming a welding hole on a plate surface: a plurality of welding holes with the same size are formed in the front plate and the rear plate, the welding holes in the same plate are arranged in a staggered mode, and the welding holes in the front plate and the rear plate are also arranged in a staggered mode;
step two, welding around the welding hole: placing a front plate on the upper surface of a rear plate, aligning the edges of the front plate and the rear plate, welding a welding hole with the rear plate, adopting 45-degree large welding meat at the contact edge of the inner cavity of the welding hole and the surface of the rear plate, turning over the front plate and the rear plate after the welding holes in the front plate are completely welded with the rear plate, placing the rear plate on the upper layer, welding the welding hole in the rear plate with the front plate, and welding the contact edge of the inner cavity of the welding hole and the surface of the front plate by adopting 45-degree large welding meat;
step three, filling and welding the blocking plate: processing the blocking plate into a shape matched with the inner cavity of the welded joint hole, processing a small groove on the outer surface of the blocking plate, respectively placing the blocking plate in the welded joint hole, welding the outer edges of the welded joint hole and the blocking plate, and filling the small groove with welding meat;
step four, welding edges: welding the jointed edges of the front plate and the rear plate, wherein the butt joint gap is filled with peripheral welding meat, and the depth of the peripheral welding meat is 65-75% of the thickness of the front plate;
step five, polishing treatment: and polishing the periphery of the welded upright post and the welding part of the blocking plate, wherein the surface roughness is less than 25 microns.
Preferably, the welding order of the welding holes and the front plate or the rear plate is to extend outwards from the middle.
Preferably, the blocking plate is processed by using a material block cut when the welding holes are formed in the front plate and the rear plate, so that the shape of the blocking plate is matched with the shape of an inner cavity of the welding hole after welding, and the blocking plate is welded in an order of extending outwards from the middle welding hole.
Preferably, the edges of the contact surfaces of the front plate and the rear plate need to be processed with symmetrical welding grooves before welding.
Preferably, the shape of the welding hole is circular.
The invention has the beneficial effects that:
(1) according to the invention, two plates with the same shape and thickness are welded into the upright post of the large bending machine, so that the rigidity of the upright post is ensured, the processing period is shortened, and the production cost is reduced;
(2) when the front plate and the rear plate are welded, in order to ensure that the two plates can be tightly attached, a plurality of welding holes which are arranged in a staggered mode are formed in the two plates, and the front plate and the rear plate are firmly attached through welding of the welding holes and the rear plate, so that the rigidity of the upright post is ensured;
(3) the material block cut when the welding hole is formed is processed and utilized and is blocked in the welding hole, so that the attractiveness of the surface of the stand column is ensured, the rigidity of the stand column is enhanced, and the production cost is reduced;
(4) when two plates are welded, the welding sequence extending outwards from the middle welding hole is selected, so that timely heat dissipation during welding can be ensured, a welding seam is prevented from cracking due to untimely heat dissipation, and the processing quality of the upright post is ensured.
Drawings
FIG. 1 is a schematic structural view of a column;
FIG. 2 is a left side view of the column of FIG. 1;
FIG. 3 is a partial cross-sectional view taken at location A-A of FIG. 1;
FIG. 4 is a partial cross-sectional view taken at B-B of FIG. 1;
in the figure: 1. front plate, 2, peripheral weld bead, 3, back plate, 4, closure plate, 5, and weld hole.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The large bending machine double-layer combined column shown in fig. 1 to 4 is formed by welding a front plate 1 and a back plate 2 which are the same in shape, wherein the front plate 1 and the back plate 2 are the same in thickness, and the thickness of the front plate 1 is 80-140 mm. The thickness of the upright post is 160 mm and 280 mm.
The preparation method of the double-layer combined type stand column of the large bending machine comprises the following steps:
step one, forming a welding hole on a plate surface: a plurality of welding holes 5 with the same size are formed in the front plate 1 and the rear plate 3, the welding holes 5 in the same plate are arranged in a staggered mode, and the welding holes 5 in the front plate 1 and the rear plate 3 are also arranged in a staggered mode;
step two, welding the periphery of the welded hole: placing a front plate 1 on the upper surface of a rear plate 3, aligning the edges of the front plate 1 and the rear plate 3, welding a welding hole 5 and the rear plate 3, adopting 45-degree large welding meat at the contact edge of the inner cavity of the welding hole 5 and the surface of the rear plate 3, turning over the front plate 1 and the rear plate 3 after the welding holes 5 in the front plate 1 are completely welded with the rear plate 3, placing the rear plate 3 on the upper layer, welding the welding hole 5 in the rear plate 3 and the front plate 1, and welding the contact edge of the inner cavity of the welding hole 5 and the surface of the front plate 1 by adopting 45-degree large welding meat; the welding order of the welding holes 5 and the front plate 1 or the rear plate 3 is extended outward from the middle.
Step three, filling and welding the blocking plate: the blocking plate 4 is processed by adopting a material block cut when the welding holes 5 are formed in the front plate 1 and the rear plate 3, the shape of the material block is matched with the shape of an inner cavity of the welding hole 5 after welding, a small groove is processed on the outer surface of the blocking plate 4, the blocking plate 4 is respectively placed in the welding hole 5, the welding hole 5 and the outer edge of the blocking plate 4 are welded, and the small groove is filled with welding meat; the closure plates 4 are welded in a sequence extending outwardly from the central weld hole 5.
Step four, welding edges: welding the jointed edges of the front plate 1 and the rear plate 3, wherein the butt joint gap is filled with the peripheral welding meat 2, and the depth of the peripheral welding meat 2 is 65-75% of the thickness of the front plate 1;
step five, polishing treatment: and polishing the periphery of the welded upright post and the welding part of the blocking plate 4, wherein the surface roughness is less than 25 microns.
The edges of the contact surfaces of the front plate 1 and the back plate 3 are processed with symmetrical welding grooves before welding. The shape of the welding hole 5 is circular.
According to the invention, two plates with the same shape and thickness are welded into the upright post of the large bending machine, so that the rigidity of the upright post is ensured, the processing period is shortened, and the production cost is reduced; when welding the front plate and the rear plate, in order to ensure that the two plates can be tightly attached, a plurality of welding holes which are arranged in a staggered manner are formed in the two plates, and the front plate and the rear plate are firmly attached through the welding of the welding holes and the rear plate, so that the rigidity of the stand column is ensured.
Claims (6)
1. The utility model provides a preparation method of large-scale bender double-deck combination formula stand, this stand is formed by the same front bezel (1) of shape and back plate (2) welding, and the thickness of front bezel (1) is the same with back plate (2), and the thickness of front bezel (1) is 80-140mm, its characterized in that: the method comprises the following steps:
step one, forming a welding hole on a plate surface: a plurality of welding holes (5) with the same size are formed in the front plate (1) and the rear plate (3), the welding holes (5) in the same plate are arranged in a staggered mode, and the welding holes (5) in the front plate (1) and the rear plate (3) are also arranged in a staggered mode;
step two, welding around the welding hole: placing a front plate (1) on the upper surface of a rear plate (3), aligning the edges of the front plate (1) and the rear plate (3), welding a welding hole (5) and the rear plate (3), turning over the front plate (1) and the rear plate (3) after the welding hole (5) in the front plate (1) is completely welded with the rear plate (3) to enable the rear plate (3) to be placed on the upper layer, welding the welding hole (5) in the rear plate (3) and the front plate (1), and welding the contact edge of the inner cavity of the welding hole (5) and the surface of the front plate (1) with 45-degree large welding meat;
step three, filling and welding the blocking plate: processing the blocking plate (4) into a shape matched with the inner cavity of the welded welding hole (5), processing a small groove on the outer surface of the blocking plate (4), respectively placing the blocking plate (4) in the welding hole (5), welding the welding hole (5) and the outer edge of the blocking plate (4), and filling the small groove with welding meat;
step four, welding edges: welding the edges of the front plate (1) and the rear plate (3) which are jointed, wherein the butt joint gap is filled with the peripheral welding meat (2), and the depth of the peripheral welding meat (2) is 65-75% of the thickness of the front plate (1);
step five, polishing treatment: and polishing the periphery of the welded upright post and the welding part of the blocking plate (4), wherein the surface roughness is less than 25 microns.
2. The preparation method of the double-layer combined type upright post for the large bending machine according to claim 1, is characterized in that: the thickness of the upright post is 160 mm and 280 mm.
3. The preparation method of the double-layer combined type upright post for the large bending machine according to claim 1 or 2, characterized in that: the welding sequence of the welding holes (5) and the front plate (1) or the rear plate (3) extends outwards from the middle.
4. The preparation method of the double-layer combined type upright post for the large bending machine according to claim 3, is characterized in that: the material blocks cut when the welding holes (5) are formed in the front plate (1) and the rear plate (3) are processed to enable the shape of the material blocks to be matched with the shape of an inner cavity of the welding holes (5) after welding, and the sequence of outward extension from the middle welding holes (5) is adopted when the blocking plates (4) are welded.
5. The preparation method of the double-layer combined type upright post for the large bending machine according to claim 4, is characterized in that: the edge of the contact surface of the front plate (1) and the rear plate (3) needs to be processed with symmetrical welding grooves before welding.
6. The preparation method of the double-layer combined type upright post for the large bending machine according to claim 5, is characterized in that: the welding holes (5) are circular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911361616.0A CN111014363B (en) | 2019-12-25 | 2019-12-25 | Double-layer combined type stand column of large bending machine and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911361616.0A CN111014363B (en) | 2019-12-25 | 2019-12-25 | Double-layer combined type stand column of large bending machine and preparation method thereof |
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| Publication Number | Publication Date |
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| CN111014363A CN111014363A (en) | 2020-04-17 |
| CN111014363B true CN111014363B (en) | 2022-06-17 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104741465A (en) * | 2013-12-31 | 2015-07-01 | 丁培远 | Method for overlapping and welding two blocks of panels |
| CN204729908U (en) * | 2015-07-02 | 2015-10-28 | 青岛茂源金属集团有限公司 | Novel combination type welding column |
| EP3195973A1 (en) * | 2014-09-19 | 2017-07-26 | Nippon Steel & Sumitomo Metal Corporation | Laser welded joint and laser welding method |
| CN107252971A (en) * | 2017-04-20 | 2017-10-17 | 武汉华工激光工程有限责任公司 | Galvanized sheet laser stitch welding method |
| CN207057808U (en) * | 2017-06-16 | 2018-03-02 | 厦门厦工协华机械有限公司 | It is easy to the slab construction of welding |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110052700A (en) * | 2019-04-24 | 2019-07-26 | 燕山大学 | The increasing material agitating friction Joining Technology of light-alloy thickness section connector |
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2019
- 2019-12-25 CN CN201911361616.0A patent/CN111014363B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104741465A (en) * | 2013-12-31 | 2015-07-01 | 丁培远 | Method for overlapping and welding two blocks of panels |
| EP3195973A1 (en) * | 2014-09-19 | 2017-07-26 | Nippon Steel & Sumitomo Metal Corporation | Laser welded joint and laser welding method |
| CN204729908U (en) * | 2015-07-02 | 2015-10-28 | 青岛茂源金属集团有限公司 | Novel combination type welding column |
| CN107252971A (en) * | 2017-04-20 | 2017-10-17 | 武汉华工激光工程有限责任公司 | Galvanized sheet laser stitch welding method |
| CN207057808U (en) * | 2017-06-16 | 2018-03-02 | 厦门厦工协华机械有限公司 | It is easy to the slab construction of welding |
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| CN111014363A (en) | 2020-04-17 |
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