CN108246942B - Forming structure and forming method of valve blade - Google Patents
Forming structure and forming method of valve blade Download PDFInfo
- Publication number
- CN108246942B CN108246942B CN201810037413.5A CN201810037413A CN108246942B CN 108246942 B CN108246942 B CN 108246942B CN 201810037413 A CN201810037413 A CN 201810037413A CN 108246942 B CN108246942 B CN 108246942B
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- roller
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- rib
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
- B21H7/00—Making articles not provided for in the preceding groups, e.g. agricultural tools, dinner forks, knives, spoons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
- B21H8/00—Rolling metal of indefinite length in repetitive shapes specially designed for the manufacture of particular objects, e.g. checkered sheets
- B21H8/02—Rolls of special shape
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Lift Valve (AREA)
Abstract
The invention relates to a valve blade forming structure and a forming method thereof, wherein the valve blade has a simple structure and comprises an upper blade and a lower blade; the upper blade and the lower blade have the same structure, a sealing piece is arranged between the upper blade and the lower blade, and the upper blade and the lower blade are connected in a superposition way through riveting; the left and right sides of the upper blade and the lower blade are symmetrically provided with turned edges, the middle parts of the upper blade and the lower blade are provided with three triangular ribs, and square ribs are arranged between every two adjacent triangular ribs; the valve blade has compact molding structure, high efficiency and good effect; the forming method of the valve blade is convenient to operate, and is time-saving and labor-saving.
Description
Technical Field
The invention relates to the field of valves, in particular to a forming structure and a forming method of a valve blade.
Background
The fire-proof valve is used on the air supply and return pipelines of the ventilation and air-conditioning system and is in an open state at ordinary times, when a fire disaster occurs, the gas temperature in the pipeline is automatically closed when the temperature rises to 70 ℃, and the fire-proof valve can meet the requirements of fire-proof stability and fire-proof integrity in a certain time, and has the smoke-proof and fire-proof effects; the valve in the prior art usually adopts a single-blade form, so that the strength and the stability of the blade are poor. There is therefore a need to produce a blade with high strength and high stability.
Disclosure of Invention
The invention aims to provide a valve blade forming structure and a valve blade forming method, which have the advantages of high strength, good stability, compact structure and simple processing, and solve the technical problems.
In order to achieve the technical purpose and meet the technical requirements, the invention adopts the technical scheme that: a valve blade forming structure comprises a roller device; the method is characterized in that: the roller device comprises a shaft, a left roller and a right roller are arranged on the shaft, a first roller, a second roller and a third roller are arranged between the left roller and the right roller; the left roller and the right roller are cylindrical, and the inner holes of the left roller and the right roller are matched with the outer diameter of the shaft; the outer circle surface of the first roller is provided with a triangular circumferential groove A, the outer circle surface of the second roller is provided with a triangular circumferential groove B, and the outer circle surface of the third roller is provided with a triangular circumferential groove C;
preferably: the first roller, the second roller and the third roller are used for adjusting the distance according to the requirement.
Preferably: the left roller and the right roller are arranged in a boss shape.
Preferably: the depth of the groove A, the depth of the groove B and the depth of the groove C are different; the depth of groove B is greater than the depths of groove a and groove C.
A valve vane, characterized in that: comprises an upper blade and a lower blade; the upper blade and the lower blade have the same structure, a sealing piece is arranged between the upper blade and the lower blade, and the upper blade and the lower blade are connected in a superposition way through riveting; the left and right sides of the upper blade and the lower blade are symmetrically provided with turned edges, and the middle parts of the upper blade and the lower blade are provided with three triangular ribs which are respectively a first triangular rib, a second triangular rib and a third triangular rib; a first square rib is arranged between the first triangular rib and the second triangular rib, and a second square rib is arranged between the second triangular rib and the third triangular rib.
The first triangular ribs and the third triangular ribs have the same structure, the height of the second triangular ribs is larger than that of the first triangular ribs, and the height of the third triangular ribs is higher than that of the first triangular ribs; the first square rib and the second square rib have the same structure.
A forming method of valve blade, step one: scribing and punching; scribing at the flanging folds at the left side and the right side of the valve blade respectively, scribing at the folds of the first triangular rib, the second triangular rib and the third triangular rib, and punching holes at the central folding lines of the first triangular rib, the second triangular rib and the third triangular rib for riveting;
step two: forming triangular ribs; firstly, forming a second triangular rib, fixing a valve blade on a forming frame, adjusting the position of a second roller in a forming structure of the valve blade to enable the center of the second roller to correspond to a center fold line of a third triangular rib of the valve blade, rolling the forming structure of the valve blade, and carrying out the forming height of the triangular rib for a plurality of times until the forming height reaches the drawing required size; then forming a first triangular rib and a third triangular rib simultaneously, fixing the valve blade on a forming frame, taking down a second roller in the forming structure of the valve blade, and adjusting the position of a first roller and the position of a third roller in the forming structure of the valve blade to enable the center of the first roller to correspond to the central folding line of the first triangular rib, and the center of the third roller to correspond to the central folding line of the third triangular rib; rolling and forming the forming structure of the valve blade, wherein the forming height of the triangular rib is divided into a plurality of times until the forming height reaches the drawing required size;
step three: the method comprises the steps of (1) flanging, firstly fixing valve blades between 30-degree profiling on the left side and the right side, aligning the inner sides of the profiling with a flanging fold line, bending upwards for 30 degrees, then replacing the profiling with a 60-degree profiling to enable the flanging to be bent upwards for 60 degrees, and flattening by adopting pressing blocks when the bending angle reaches 90 degrees, wherein the pressing blocks are sequentially 30-degree pressing blocks, 60-degree pressing blocks and 90-degree pressing blocks;
step four: and (5) correcting, namely finishing the forming of the valve blade.
The invention has the beneficial effects that; a valve blade forming structure and a forming method thereof are compared with the traditional structure: the flanges are arranged on the two sides of the valve blade, so that the strength of the blade is enhanced; the center of the blade is provided with square ribs, so that the transmission reliability is enhanced; the blade is formed by overlapping and riveting an upper blade and a lower blade, so that the strength and the stability of the blade are enhanced; the stainless steel sealing piece is arranged between the upper blade and the lower blade, so that the overall tightness of the valve is enhanced, and the blades are more tightly connected in the process of lapping; furthermore, the valve blade has a simple molding structure and is convenient to operate; the valve blade forming method has the advantages of good effect, high efficiency and time and labor saving.
Drawings
FIG. 1 is a schematic view of a molded structure of a valve blade according to the present invention;
FIG. 2 is a front view of a valve blade according to the present invention;
FIG. 3 is a top view of a valve blade according to the present invention;
FIG. 4 is a 30 deg. and 30 deg. profile schematic of a valve vane flange according to the present invention;
FIG. 5 is a 60 deg. and 60 deg. profile schematic of a valve vane flange according to the present invention;
FIG. 6 is a schematic view of a 30℃flattened valve vane and 30℃pressed block of the present invention;
FIG. 7 is a schematic view of a 60℃flattened 60℃briquette of a valve blade according to the present invention;
FIG. 8 is a schematic view of a valve blade flattening 90 and 90 press block of the present invention;
in the figure: 1. a left roller; 2. a first roller; 3. a second roller; 4. a third roller; 5. a right roller; 6. a shaft; 7. a groove A;8. a groove B;9. a groove C;201. a first triangular rib; 202. a second triangular rib; 203. a third triangular rib; 204. a first rib; 205. a second square rib; 301.30 deg. master; 302.60 deg. master; a 304.30 ° compact; 305.60 ° compacts; 306.90 briquette.
Detailed Description
In order to make the objects, technical schemes and beneficial technical effects of the invention clearer, the invention is further described in detail below with reference to the accompanying drawings and the detailed description;
in the drawings: a valve blade forming structure comprises a roller device; the method is characterized in that: the roller device comprises a shaft 6, a left roller 1 and a right roller 5 are arranged on the shaft 6, a first roller 2, a second roller 3 and a third roller 4 are arranged between the left roller 1 and the right roller 5; the left roller 1 and the right roller 5 are cylindrical, and the inner holes of the rollers are matched with the outer diameter of the shaft; the outer circle surface of the first roller 2 is provided with a triangular circumferential groove A7, the outer circle surface of the second roller 3 is provided with a triangular circumferential groove B8, and the outer circle surface of the third roller 4 is provided with a triangular circumferential groove C9.
The spacing between the first roller 2, the second roller 3 and the third roller 4 is adjusted according to the requirement; the left roller and the right roller are arranged in a boss shape; the depth of the groove A7, the groove B8 and the groove C9 is different; the depth of groove B8 is greater than the depths of grooves A7 and C9.
A valve vane, characterized in that: comprises an upper blade and a lower blade; the upper blade and the lower blade have the same structure, a sealing piece is arranged between the upper blade and the lower blade, and the upper blade and the lower blade are connected in a superposition way through riveting; the left and right sides of the upper blade and the lower blade are symmetrically provided with turned edges, and the middle parts of the upper blade and the lower blade are provided with three triangular ribs which are respectively a first triangular rib 201, a second triangular rib 202 and a third triangular rib 203; a first square rib 204 is provided between the first triangular rib 201 and the second triangular rib 202, and a second square rib 205 is provided between the second triangular rib 202 and the third triangular rib 203.
The first triangular rib 201 and the third triangular rib 203 have the same structure, and the height of the second triangular rib 202 is greater than the heights of the first triangular rib 201 and the third triangular rib 203; the first square rib 204 and the second square rib 205 have the same structure.
A forming method of valve blade, step one: scribing and punching; scribing at the flanging folds at the left side and the right side of the valve blade, scribing at the folds of the first triangular rib 201, the second triangular rib 202 and the third triangular rib 203, and punching at the central folding lines of the first triangular rib 201, the second triangular rib 202 and the third triangular rib 203 for riveting;
step two: forming triangular ribs; firstly, forming a second triangular rib, fixing a valve blade on a forming frame, adjusting the position of a second roller 3 in the forming structure of the valve blade to enable the center of the second roller to correspond to the center fold line of a third triangular rib 203 of the valve blade, rolling and forming the forming structure of the valve blade, and carrying out the forming height of the triangular rib for a plurality of times until the forming height reaches the drawing required size; then forming the first triangular rib 201 and the third triangular rib 203 simultaneously, fixing the valve blade on a forming frame, taking down the second roller 3 in the forming structure of the valve blade, and adjusting the position of the first roller 2 and the position of the third roller 4 in the forming structure of the valve blade to enable the center of the first roller 2 to correspond to the central folding line of the first triangular rib 201 and the center of the third roller 4 to correspond to the central folding line of the third triangular rib 203; rolling and forming the forming structure of the valve blade, wherein the forming height of the triangular rib is divided into a plurality of times until the forming height reaches the drawing required size;
step three: the valve blade is fixed between 30-degree profiling 301 on the left side and the right side, the inner side of the profiling is aligned with a flanging fold line, the profiling is bent upwards by 30 degrees, then the profiling is replaced by a 60-degree profiling 302, the flanging is bent upwards by 60 degrees, when the bending angle reaches 90 degrees, pressing blocks are adopted for flattening, and a 30-degree pressing block 304, a 60-degree pressing block 305 and a 90-degree pressing block 306 are adopted in sequence;
step four: and (5) correcting, namely finishing the forming of the valve blade.
The invention is implemented in detail: when the valve blade is molded, the molding is performed for a plurality of times, so that the blade is prevented from being broken due to sudden stress; the flanging process comprises multiple flanging and flattening, namely firstly, bending into an angle of 30 degrees with the horizontal plane, then further bending into an angle of 60 degrees with the horizontal plane, further bending into an angle of 90 degrees with the horizontal plane, and then flattening gradually to finish flanging; ensuring the strength and stability of the blade.
The above examples are provided for the purpose of clearly illustrating the invention and are not to be construed as limiting the invention, and other variants and modifications of the various forms may be made by those skilled in the art based on the description, which are not intended to be exhaustive of all embodiments, and obvious variants or modifications of the invention may be found within the scope of the invention.
Claims (1)
1. A forming method of valve blade includes a roller device; the method is characterized in that: the roller device comprises a shaft (6), a left roller (1), a right roller (5) and a first roller (2), a second roller (3) and a third roller (4) are arranged on the shaft (6), and the first roller (2), the second roller (3) and the third roller (4) are arranged between the left roller (1) and the right roller (5); the left roller (1) and the right roller (5) are arranged in a cylindrical shape, and the inner hole of the left roller is matched with the outer diameter of the shaft; the outer circle surface of the first roller (2) is provided with a triangular circumferential groove A (7), the outer circle surface of the second roller (3) is provided with a triangular circumferential groove B (8), and the outer circle surface of the third roller (4) is provided with a triangular circumferential groove C (9);
the first rollers (2), the second rollers (3) and the third rollers (4) are arranged at intervals according to the requirements;
the left roller (1) and the right roller (5) are arranged in a boss shape;
the depth of the groove A (7), the groove B (8) and the depth of the groove C (9) are different; the depth of the groove B (8) is larger than the depths of the groove A (7) and the groove C (9);
a valve blade, further comprising an upper blade and a lower blade; the upper blade and the lower blade have the same structure, a sealing piece is arranged between the upper blade and the lower blade, and the upper blade and the lower blade are connected in a superposition way through riveting; the left and right sides of the upper blade and the lower blade are symmetrically provided with turned edges, the middle parts of the upper blade and the lower blade are provided with three triangular ribs, namely a first triangular rib (201), a second triangular rib (202) and a third triangular rib (203); a first square rib (204) is arranged between the first triangular rib (201) and the second triangular rib (202), and a second square rib (205) is arranged between the second triangular rib (202) and the third triangular rib (203);
the first triangular ribs (201) and the third triangular ribs (203) are identical in structure, the height of the second triangular ribs (202) is larger than that of the first triangular ribs (201), and the height of the third triangular ribs (203) is larger than that of the first triangular ribs (201); the first square rib (204) and the second square rib (205) have the same structure;
the method comprises the following steps:
step one: scribing and punching; scribing at flanging folds at the left side and the right side of the valve blade respectively, scribing at folds of the first triangular rib (201), the second triangular rib (202) and the third triangular rib (203), and punching at central folding lines of the first triangular rib (201), the second triangular rib (202) and the third triangular rib (203) for riveting;
step two: forming triangular ribs; firstly, forming a second triangular rib, fixing a valve blade on a forming frame, adjusting the position of a second roller (3) in the forming structure of the valve blade to enable the center of the second roller to correspond to the center fold line of a third triangular rib 203 of the valve blade, rolling and forming the forming structure of the valve blade, and carrying out the forming height of the triangular rib for a plurality of times until the forming height reaches the drawing required size; then forming a first triangular rib (201) and a third triangular rib (203) simultaneously, fixing the valve blade on a forming frame, taking down a second roller (3) in the forming structure of the valve blade, and adjusting the position of a first roller (2) and the position of a third roller (4) in the forming structure of the valve blade to enable the center of the first roller (2) to correspond to the central folding line of the first triangular rib (201), and the center of the third roller (4) to correspond to the central folding line of the third triangular rib (203); rolling and forming the forming structure of the valve blade, wherein the forming height of the triangular rib is divided into a plurality of times until the forming height reaches the drawing required size;
step three: the valve blade is fixed between 30-degree profiling molds (301) on the left side and the right side, the inner sides of the profiling molds are aligned with the folding line of the flanging, the flanging is upwards bent for 30 degrees, then the flanging is replaced by a 60-degree profiling mold (302), the flanging is upwards bent for 60 degrees, when the bending angle reaches 90 degrees, pressing blocks are adopted for flattening, and a 30-degree pressing block (304), a 60-degree pressing block (305) and a 90-degree pressing block (306) are adopted in sequence;
step four: and (5) correcting, namely finishing the forming of the valve blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810037413.5A CN108246942B (en) | 2018-01-16 | 2018-01-16 | Forming structure and forming method of valve blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810037413.5A CN108246942B (en) | 2018-01-16 | 2018-01-16 | Forming structure and forming method of valve blade |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108246942A CN108246942A (en) | 2018-07-06 |
| CN108246942B true CN108246942B (en) | 2023-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810037413.5A Active CN108246942B (en) | 2018-01-16 | 2018-01-16 | Forming structure and forming method of valve blade |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110900108B (en) * | 2018-09-14 | 2021-05-25 | 中精集团有限公司 | Production method of positioning connecting bracket |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101890428A (en) * | 2010-07-16 | 2010-11-24 | 罗兆祥 | Valve blade section mill special for fire protection and heat ventilation |
| CN206268530U (en) * | 2016-12-13 | 2017-06-20 | 广州市科创通风环保实业有限公司 | A kind of fire-protection valve for being provided with novel blade |
| CN206669059U (en) * | 2017-04-17 | 2017-11-24 | 浙江元华风机有限公司 | The blade of structure optimization on a kind of blower fan fire resisting damper |
| CN207746350U (en) * | 2018-01-16 | 2018-08-21 | 江苏华东正大空调设备有限公司 | A kind of valve blade and its molding structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6808163B2 (en) * | 2003-02-20 | 2004-10-26 | Taiwan Semiconductor Manufacturing Co., Ltd | Modified blades for process chamber throttle valve |
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2018
- 2018-01-16 CN CN201810037413.5A patent/CN108246942B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101890428A (en) * | 2010-07-16 | 2010-11-24 | 罗兆祥 | Valve blade section mill special for fire protection and heat ventilation |
| CN206268530U (en) * | 2016-12-13 | 2017-06-20 | 广州市科创通风环保实业有限公司 | A kind of fire-protection valve for being provided with novel blade |
| CN206669059U (en) * | 2017-04-17 | 2017-11-24 | 浙江元华风机有限公司 | The blade of structure optimization on a kind of blower fan fire resisting damper |
| CN207746350U (en) * | 2018-01-16 | 2018-08-21 | 江苏华东正大空调设备有限公司 | A kind of valve blade and its molding structure |
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| CN108246942A (en) | 2018-07-06 |
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