CN109604474B - Bending device for steel bars for circumferential fastening of crystallizing tank - Google Patents
Bending device for steel bars for circumferential fastening of crystallizing tank Download PDFInfo
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- CN109604474B CN109604474B CN201811477112.0A CN201811477112A CN109604474B CN 109604474 B CN109604474 B CN 109604474B CN 201811477112 A CN201811477112 A CN 201811477112A CN 109604474 B CN109604474 B CN 109604474B
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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
- B21D53/00—Making other particular articles
- B21D53/16—Making other particular articles rings, e.g. barrel hoops
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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
- B21D5/06—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles
- B21D5/08—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles making use of forming-rollers
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- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention discloses a bending device for a steel bar for circumferential fastening of a crystallizing tank, which comprises a workbench, wherein the top of the workbench is provided with an inner template, an outer template and a pressing plate mechanism, the outer template is arranged on the front side of the inner template, the pressing plate mechanism is arranged on two sides of the inner template, the outer side wall of the inner template is provided with an annular groove, a positive and negative motor is embedded on the inner template, and the top of the positive and negative motor is connected with a first lifting mechanism through a rotating shaft. The inner template and the outer template are matched for use, firstly, steel bars are pressed into a U-shaped semi-finished product, then the U-shaped semi-finished product is matched with the rolling material pressing mechanism through the plate pressing mechanism, two sides of the U-shaped semi-finished product are gradually pressed with the outer wall of the inner template in two times to form a steel ring finished product, the outer circular plate and the inner cylinder are matched with the steel bars, the outer circular plate is convenient for the outer circular plate to abut against and bend the outer side walls of the steel bars, the inner cylinder is convenient for the inner cylinder to press the upper surfaces of the steel bars, the inner cylinder is.
Description
Technical Field
The invention relates to the technical field of steel bar processing, in particular to a steel bar bending device for circumferential fastening of a crystallizing tank.
Background
In industrial production, for some tubular structures, it is often necessary to provide hoops around the tubular structures to reinforce the tubular structures, such as ring-shaped steel bars or channel steel arranged around the periphery of a crystallizer. However, the upper surface and the lower surface of the steel ring processed by the existing processing equipment are not parallel and the surface is not smooth.
Patent application publication number CN 204182826U's utility model patent discloses a billet bending apparatus is used in fastening of crystallizer circumference, include: the device comprises a first driving roller, a second driving roller, a driven roller, a first annular clamping seat, a second annular clamping seat, a first supporting seat, a first adjusting rod, a second supporting seat, a pre-tightening mechanism and a driving mechanism; the first driving roller and the second driving roller are arranged in parallel, first ends of the first driving roller and the second driving roller are rotatably arranged on the first supporting seat, second ends of the first driving roller and the second driving roller are rotatably arranged on the second supporting seat, and the driving mechanism is respectively connected with the first driving roller and the second driving roller; the first annular clamping seat and the second annular clamping seat are respectively sleeved on the first driving roller and the second driving roller, a first groove and a second groove which are circumferentially surrounded are respectively arranged on the first annular clamping seat and the second annular clamping seat, and the first groove and the second groove are positioned in the same vertical plane; the pre-tightening mechanism comprises a limiting frame and a second adjusting rod. The utility model discloses can realize that two sides of billet are located the bending of coplanar, and reliable and stable, but still have the radius of curvature nonconformity, the unable controlled condition of bending precision.
Therefore, it is necessary to provide a bending apparatus for a steel strip for circumferential fastening of a crystallization tank to solve the above problems.
Disclosure of Invention
The invention aims to provide a steel bar bending device for circumferential fastening of a crystallization tank, which is characterized in that an inner template and an outer template are used in a matched manner, firstly, a steel bar is pressed into a U-shaped semi-finished product, then, a pressing plate mechanism and a rolling material pressing mechanism are matched, two sides of the U-shaped semi-finished product are gradually pressed with the outer wall of the inner template in two times to form a steel ring finished product, the difference between the radius of an outer circular plate and the radius of an inner circular column is equal to the thickness of the steel bar, the outer circular plate is convenient to abut against and bend the outer side wall of the steel bar, the inner circular column is convenient to press the upper surface of the steel bar, the length of the inner circular column is equal to the width of the steel bar, the inner circular.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a billet bending apparatus for crystallizer circumference fastening, includes the workstation, the workstation top is equipped with inner formword, exterior sheathing and clamp plate mechanism, the exterior sheathing sets up in the inner formword front side, clamp plate mechanism sets up in the inner formword both sides, be equipped with the ring channel on the inner formword lateral wall, it is equipped with positive and negative motor to inlay on the inner formword, positive and negative motor top is connected with first elevating system through the pivot, the first telescopic machanism of support fixed connection is passed through on first elevating system top, the first elevating system of first telescopic machanism perpendicular to sets up, first telescopic machanism tip is equipped with the roll swager, the roll swager includes the axostylus axostyle, rolls cylinder and ball, exterior sheathing both ends tip is equipped with the live-rollers.
Preferably, a steel bar is arranged between the inner template and the outer template, the diameter of the inner template is the same as the inner diameter of a steel ring finished product, the shape of the outer template is semi-annular, and the inner diameter of the outer template is the same as the outer diameter of the steel ring finished product.
Preferably, the fixed plate that is equipped with in exterior sheathing front side, the fixed second telescopic machanism that is equipped with in fixed plate front side, second telescopic machanism and workstation fixed connection, fixed plate bottom both sides are equipped with the runner, be equipped with the guide rail on the workstation that the runner corresponds, runner and guide rail sliding connection.
Preferably, the roller that rolls includes outer plectane and interior cylinder, outer plectane and interior cylinder integrated into one piece, the axostylus axostyle sets up in the roller that rolls inside and through ball bearing and roller swing joint rolls, the one end that the inner formword was kept away from originally to the axostylus axostyle passes through support and first telescopic machanism fixed connection.
Preferably, a ball sleeve is embedded in one end, close to the inner template, of the shaft rod, the balls are movably arranged inside the ball sleeve, the balls extend to the outside of the shaft rod and are in sliding connection with the annular groove, and the section of the annular groove is arc-shaped and matched with the balls.
Preferably, the heights of the inner template, the outer template and the rotating roller are all larger than the thickness of the steel bar, the difference between the radius of the outer circular plate and the radius of the inner circular column is equal to the thickness of the steel bar, and the length of the inner circular column is equal to the width of the steel bar.
Preferably, the pressing plate mechanism comprises a pressing plate, a second lifting mechanism is fixedly arranged at the top of the pressing plate, a supporting rod is fixedly arranged at the top end of the second lifting mechanism, the supporting rod is arranged to be L-shaped, the bottom end of the supporting rod is fixedly connected with the workbench, and the pressing plate is arranged on two sides of the inner formwork and is collinear with the central line of the inner formwork.
Preferably, the first lifting mechanism, the second lifting mechanism, the first telescopic mechanism and the second telescopic mechanism are electric telescopic rods, and a PLC (programmable logic controller) is arranged on one side of the workbench.
The invention has the technical effects and advantages that:
1. the inner template and the outer template are matched for use, firstly, steel bars are pressed into a U-shaped semi-finished product, then the U-shaped semi-finished product is matched with the rolling material pressing mechanism through the plate pressing mechanism, two sides of the U-shaped semi-finished product are gradually pressed with the outer wall of the inner template in two times to form a steel ring finished product, the difference between the radius of the outer circular plate and the radius of the inner circular column is equal to the thickness of the steel bars, the outer circular plate is convenient to abut against and bend the outer side walls of the steel bars, the inner circular column is convenient to compress the upper surfaces of the steel bars, the length of the inner circular column is equal to the;
2. at the roll swager and construct the rotation in-process, the ring channel plays the effect of spacing ball, it is smooth and easy also to make things convenient for the roll swager to rotate and transmit when crooked the billet, avoid taking place great friction with the inner formword, and can make and roll the cylinder and agree with the billet perfectly, the finished product precision of processing out is high, high quality, in addition, also can be through observing whether the ball agrees with the ring channel and detect the work precision of first elevating system and first telescopic machanism, avoid long-term use to take place the processingquality that the error influences the product.
Drawings
Fig. 1 is a schematic view showing the overall structure of the steel strip of the present invention without processing.
Fig. 2 is a schematic view of the overall structure of the steel strip of the present invention at the time of preliminary processing.
Fig. 3 is a schematic view of the overall structure of the steel strip of the present invention when processed into a finished steel ring.
Fig. 4 is a schematic structural diagram of the inner template and the pressing plate mechanism of the invention.
FIG. 5 is a schematic view of the structure of part A in FIG. 1 according to the present invention.
Fig. 6 is a side sectional view of the rolling swager mechanism of the present invention.
Fig. 7 is a schematic view of the structure of the rotating roller of the present invention.
In the figure: 1 workbench, 2 inner formworks, 3 outer formworks, 4 pressing plate mechanisms, 41 pressing plates, 42 second lifting mechanisms, 43 supporting rods, 5 annular grooves, 6 forward and reverse motors, 7 first lifting mechanisms, 8 first telescopic mechanisms, 9 rolling pressing mechanisms, 91 shaft rods, 92 rolling rollers, 921 outer circular plates, 922 inner cylinders, 93 balls, 10 rotating rollers, 11 steel bars, 12 steel ring finished products, 13 fixing plates, 14 second telescopic mechanisms, 15 sliding feet, 16 guide rails and 17 ball sleeves.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
a bending apparatus for a steel strip for circumferential fastening of a crystallization vessel, shown in FIGS. 1 to 4, comprises a table 1, the top of the workbench 1 is provided with an inner template 2, an outer template 3 and a pressing plate mechanism 4, the outer template 3 is arranged at the front side of the inner template 2, the pressing plate mechanisms 4 are arranged at two sides of the inner template 2, the outer side wall of the inner template 2 is provided with an annular groove 5, a positive and negative motor 6 is embedded on the inner template 2, the top of the positive and negative motor 6 is connected with a first lifting mechanism 7 through a rotating shaft, the top end of the first lifting mechanism 7 is fixedly connected with a first telescopic mechanism 8 through a bracket, the first telescopic mechanism 8 is arranged perpendicular to the first lifting mechanism 7, the end part of the first telescopic mechanism 8 is provided with a rolling pressing mechanism 9, the rolling pressing mechanism 9 comprises a shaft rod 91, a rolling roller 92 and balls 93, and the end parts of two ends of the outer template 3 are provided with rotating rollers 10;
a steel bar 11 is arranged between the inner template 2 and the outer template 3, the diameter of the inner template 2 is the same as the inner diameter of a steel ring finished product 12, the outer template 3 is semi-annular, and the inner diameter of the outer template 3 is the same as the outer diameter of the steel ring finished product 12;
the clamp plate mechanism 4 includes clamp plate 41, the fixed second elevating system 42 that is equipped with in clamp plate 41 top, the fixed bracing piece 43 that is equipped with in second elevating system 42 top, bracing piece 43 sets up to L type and bottom and workstation 1 fixed connection, two clamp plate 41 sets up in 2 both sides of inner formword and sets up with 2 central lines collineations of inner formword.
Through interior template 2 and 3 cooperations of exterior sheathing use, earlier billet 11 pressfitting is U type semi-manufactured goods, then cooperate with rolling swager structure 9 through pressure plate mechanism 4, divide twice with the both sides of U type semi-manufactured goods and 2 outer walls of interior template pressfitting gradually, form steel ring finished product 12, in rolling swager structure 9 rotation process, ring channel 5 plays spacing ball 93's effect, it is smooth and easy when also making things convenient for rolling swager structure 9 to rotate with billet 11 crooked to pass on, avoid taking place great friction with interior template 2, and can make cylinder 92 and billet 11 perfectly agree with, the finished product precision of processing out is high, and is of high quality, in addition, also can be through observing whether the ball 93 agrees with ring channel 5 and detect the work precision of first elevating system 7 and first telescopic machanism 8, avoid long-term use to take place the error and influence the processingquality of product.
Example 2:
according to the bending device for the steel bar for circumferential fastening of the crystallizing tank shown in fig. 1-3, a fixing plate 13 is fixedly arranged on the front side of an outer template 3, a second telescopic mechanism 14 is fixedly arranged on the front side of the fixing plate 13, the second telescopic mechanism 14 is fixedly connected with a workbench 1, sliding feet 15 are arranged on two sides of the bottom of the fixing plate 13, a guide rail 16 is arranged on the workbench 1 corresponding to the sliding feet 15, and the sliding feet 15 are slidably connected with the guide rail 16, so that the outer template 3 is conveniently limited to move stably and parallelly without inclination to affect processing;
the first lifting mechanism 7, the second lifting mechanism 42, the first telescopic mechanism 8 and the second telescopic mechanism 14 are electric telescopic rods, and a PLC (programmable logic controller) is arranged on one side of the workbench 1;
according to a bending device for a steel bar for circumferential fastening of a crystallization tank shown in fig. 5-6, the rolling drum 92 comprises an outer circular plate 921 and an inner cylinder 922, the outer circular plate 921 and the inner cylinder 922 are integrally formed, the shaft rod 91 is arranged inside the rolling drum 92 and movably connected with the rolling drum 92 through a ball bearing, and one end of the shaft rod 91, which is far away from the inner template 2, is fixedly connected with the first telescopic mechanism 8 through a bracket;
the ball sleeve 17 is embedded at one end of the shaft lever 91 close to the inner template 2, the balls 93 are movably arranged in the ball sleeve 17, the balls 93 extend to the outside of the shaft lever 91 and are in sliding connection with the annular groove 5, the section of the annular groove 5 is arc-shaped and is matched with the balls 93, the annular groove 5 plays a role of limiting the balls 93, the rolling material pressing mechanism 9 can conveniently rotate to smoothly transfer steel bars 11 when bending the steel bars, larger friction with the inner template 2 is avoided, and work is influenced, on the other hand, the rolling roller 92 can be perfectly matched with the steel bars 11, the processed finished products are high in precision and good in quality, the working precision of the first lifting mechanism 7 and the first telescopic mechanism 8 can be detected by observing whether the balls 93 are matched with the annular groove 5, and the processing quality of products is prevented from being influenced by errors caused by long-term use;
the height of the inner die plate 2, the height of the outer die plate 3 and the height of the rotating roller 10 are all larger than the thickness of the steel bar 11, the difference between the radius of the outer circular plate 921 and the radius of the inner cylinder 922 is equal to the thickness of the steel bar 11, the outer circular plate 921 conveniently supports the outer side wall of the steel bar 11 to be bent, the inner cylinder 922 is convenient to compress the upper surface of the steel bar 11, the length of the inner cylinder 922 is equal to the width of the steel bar 11, the inner cylinder 922 is convenient to roll the upper surface and the lower surface.
The working principle of the invention is as follows:
referring to the attached drawing 1 of the specification, in use, the steel bar 11 is firstly placed between the inner formwork 2 and the outer formwork 3, and the center of the steel bar 11 does not need to be accurately aligned with the centers of the inner formwork 2 and the outer formwork 3, and at this time, the second telescopic mechanism 14 drives the outer formwork 3 to push inwards;
referring to the attached drawings 2 and 7 of the specification, two rotating rollers 10 at the end of the outer formwork 3 are firstly contacted with two sides of the front side wall of the steel bar 11, when the outer formwork 3 drives the steel bar 11 to continuously press towards the inner formwork 2, the rear side wall of the steel bar 11 is attached to the inner formwork 2 and is gradually attached to the outer side wall of the inner formwork 2, so that a U shape as shown in fig. 2 is formed;
referring to the attached drawings 3-4 of the specification, then one of the pressing plate mechanisms 4 works, the second lifting mechanism 42 drives the pressing plate 41 to press down to press one side of the U-shaped semi-finished product, at the moment, the first lifting mechanism 7 drives the rolling pressing mechanism 9 to move upwards, the first telescopic mechanism 8 drives the rolling pressing mechanism 9 to extend outwards, the forward and reverse motor 6 drives the rolling pressing mechanism 9 to rotate from the rear side to the front side of the inner template 2, the first lifting mechanism 7 drives the rolling pressing mechanism 9 to move downwards until the outer circular plate 921 is coplanar with the bottom surface of the U-shaped semi-finished product, then the first telescopic mechanism 8 drives the rolling pressing mechanism 9 to contract inwards until the inner side wall of the outer circular plate 921 is fit with the front side wall of the U-shaped semi-finished product, the ball 93 is clamped into the annular groove 5, then the forward and reverse motor 6 drives the rolling pressing mechanism 9 to rotate 180-225 degrees to one side of the U, within the angle range, the forward and reverse motor 6 can drive the rolling pressing mechanism 9 to rotate forward and reverse, one side of the U-shaped semi-finished product and the inner template 2 are pressed and bent continuously, after bending, the pressing plate 41 pressing the U-shaped semi-finished product rises, the pressing plate 41 on the other side presses one side of the bent U-shaped semi-finished product, and at the moment, the rolling pressing mechanism 9 presses and bends the other side of the U-shaped semi-finished product and the inner template 2 according to the steps until a steel ring finished product 12 is formed;
referring to the attached drawings 5-6 of the specification, in the rotating process of the rolling material pressing mechanism 9, the annular groove 5 plays a role of limiting the ball 93, the rolling material pressing mechanism 9 can rotate to smoothly transfer the steel bar 11 when bending, and large friction between the rolling material pressing mechanism and the inner template 2 is avoided to influence work;
and the difference of excircle board 921 radius and interior cylinder 922 radius equals billet 11 thickness, and the outer circular plate 921 of being convenient for supports the bending with 11 lateral walls of billet to and the interior cylinder 922 of being convenient for compresses tightly 11 upper surfaces of billet, and interior cylinder 922 length equals 11 widths of billet, and the interior cylinder 922 of being convenient for is smooth with the rolling of 11 upper and lower surfaces of billet, avoids sticking up the limit.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (5)
1. The utility model provides a crystallizer circumference is steel bar bending apparatus for fastening, includes workstation (1), its characterized in that: the top of the workbench (1) is provided with an inner template (2), an outer template (3) and a pressing plate mechanism (4), the outer template (3) is arranged on the front side of the inner template (2), the pressing plate mechanism (4) is arranged on two sides of the inner template (2), the outer side wall of the inner template (2) is provided with an annular groove (5), the inner template (2) is embedded with a positive and negative motor (6), the top of the positive and negative motor (6) is connected with a first lifting mechanism (7) through a rotating shaft, the top end of the first lifting mechanism (7) is fixedly connected with a first telescopic mechanism (8) through a support, the first telescopic mechanism (8) is perpendicular to the first lifting mechanism (7), the end part of the first telescopic mechanism (8) is provided with a rolling material pressing mechanism (9), the rolling material pressing mechanism (9) comprises a shaft lever (91), a rolling roller (92) and a rolling ball (93), the end parts of the two ends of the outer template (3) are provided with rotating rollers (10);
a ball sleeve (17) is embedded at one end, close to the inner template (2), of the shaft lever (91), the balls (93) are movably arranged inside the ball sleeve (17), the balls (93) extend to the outside of the shaft lever (91) to be in sliding connection with the annular groove (5), and the section of the annular groove (5) is arc-shaped and is matched with the balls (93);
the rolling roller (92) comprises an outer circular plate (921) and an inner cylinder (922), the outer circular plate (921) and the inner cylinder (922) are integrally formed, the shaft lever (91) is arranged inside the rolling roller (92) and is movably connected with the rolling roller (92) through a ball bearing, and one end, far away from the inner template (2), of the shaft lever (91) is fixedly connected with the first telescopic mechanism (8) through a support;
the heights of the inner template (2), the outer template (3) and the rotating roller (10) are all larger than the thickness of the steel bar (11), the difference between the radius of the outer circular plate (921) and the radius of the inner cylinder (922) is equal to the thickness of the steel bar (11), and the length of the inner cylinder (922) is equal to the width of the steel bar (11).
2. A bending apparatus for a steel strip for use in circumferential fastening of a crystallizing tank as defined in claim 1, wherein: be equipped with billet (11) between inner formword (2) and outer formword (3), inner formword (2) diameter is the same with steel ring finished product (12) internal diameter, outer formword (3) shape sets up to the semicircle form, outer formword (3) internal diameter is the same with steel ring finished product (12) external diameter.
3. A bending apparatus for a steel strip for use in circumferential fastening of a crystallizing tank as defined in claim 1, wherein: fixed plate (13) of being equipped with of exterior sheathing (3) front side, fixed plate (13) front side is fixed and is equipped with second telescopic machanism (14), second telescopic machanism (14) and workstation (1) fixed connection, fixed plate (13) bottom both sides are equipped with smooth foot (15), be equipped with guide rail (16) on workstation (1) that smooth foot (15) correspond, smooth foot (15) and guide rail (16) sliding connection.
4. A bending apparatus for a steel strip for use in circumferential fastening of a crystallizing tank as defined in claim 1, wherein: the pressing plate mechanism (4) comprises a pressing plate (41), a second lifting mechanism (42) is fixedly arranged at the top of the pressing plate (41), a supporting rod (43) is fixedly arranged at the top end of the second lifting mechanism (42), the supporting rod (43) is arranged into an L shape, the bottom end of the L shape is fixedly connected with the workbench (1), and the pressing plate (41) is arranged on two sides of the inner template (2) and is collinearly arranged with the central line of the inner template (2).
5. A bending apparatus for a steel strip for use in circumferential fastening of a crystallizing tank as defined in claim 4, wherein: the automatic lifting device is characterized in that the first lifting mechanism (7), the second lifting mechanism (42), the first telescopic mechanism (8) and the second telescopic mechanism (14) are electric telescopic rods, and a PLC (programmable logic controller) is arranged on one side of the workbench (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811477112.0A CN109604474B (en) | 2018-12-05 | 2018-12-05 | Bending device for steel bars for circumferential fastening of crystallizing tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811477112.0A CN109604474B (en) | 2018-12-05 | 2018-12-05 | Bending device for steel bars for circumferential fastening of crystallizing tank |
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| Publication Number | Publication Date |
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| CN109604474A CN109604474A (en) | 2019-04-12 |
| CN109604474B true CN109604474B (en) | 2020-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811477112.0A Active CN109604474B (en) | 2018-12-05 | 2018-12-05 | Bending device for steel bars for circumferential fastening of crystallizing tank |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111250569B (en) * | 2020-03-16 | 2021-07-27 | 瑞安市福达金属制品有限公司 | Car sheet metal component roll-in molding system |
| CN111389970A (en) * | 2020-03-30 | 2020-07-10 | 大同新成新材料股份有限公司 | Intelligent pantograph carbon slide plate preparation equipment and preparation method thereof |
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|---|---|---|---|---|
| SU394129A1 (en) * | 1971-07-20 | 1973-08-22 | MACHINE FOR THE PRODUCTION OF FLANGES | |
| JPS57165120A (en) * | 1981-04-03 | 1982-10-12 | Nissan Motor Co Ltd | Manufacture of bent pipe |
| CN201076892Y (en) * | 2007-08-21 | 2008-06-25 | 上海宝钢设备检修有限公司 | U-shaped ring sleeve manufacturer |
| CN202539315U (en) * | 2012-03-28 | 2012-11-21 | 洪湖市莲芯机械制造有限公司 | Moulding device for grass protective ring |
| CN204182826U (en) * | 2014-09-23 | 2015-03-04 | 安徽金龙机械有限公司 | The fastening steel bar bending apparatus of a kind of crystallizing tank circumference |
| CN104646561A (en) * | 2015-01-27 | 2015-05-27 | 安徽同盛环件股份有限公司 | Stainless steel ring part inner and outer circle molding device |
| CN107214268A (en) * | 2017-06-30 | 2017-09-29 | 王俊霞 | One kind self-regulation cable anchor ear machining tool |
| CN206632148U (en) * | 2016-09-23 | 2017-11-14 | 常州菲莫斯桶业有限公司 | Store the sidewalls flex device of canister body |
-
2018
- 2018-12-05 CN CN201811477112.0A patent/CN109604474B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU394129A1 (en) * | 1971-07-20 | 1973-08-22 | MACHINE FOR THE PRODUCTION OF FLANGES | |
| JPS57165120A (en) * | 1981-04-03 | 1982-10-12 | Nissan Motor Co Ltd | Manufacture of bent pipe |
| CN201076892Y (en) * | 2007-08-21 | 2008-06-25 | 上海宝钢设备检修有限公司 | U-shaped ring sleeve manufacturer |
| CN202539315U (en) * | 2012-03-28 | 2012-11-21 | 洪湖市莲芯机械制造有限公司 | Moulding device for grass protective ring |
| CN204182826U (en) * | 2014-09-23 | 2015-03-04 | 安徽金龙机械有限公司 | The fastening steel bar bending apparatus of a kind of crystallizing tank circumference |
| CN104646561A (en) * | 2015-01-27 | 2015-05-27 | 安徽同盛环件股份有限公司 | Stainless steel ring part inner and outer circle molding device |
| CN206632148U (en) * | 2016-09-23 | 2017-11-14 | 常州菲莫斯桶业有限公司 | Store the sidewalls flex device of canister body |
| CN107214268A (en) * | 2017-06-30 | 2017-09-29 | 王俊霞 | One kind self-regulation cable anchor ear machining tool |
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| CN109604474A (en) | 2019-04-12 |
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Denomination of invention: A steel bar bending device for circumferential fastening of crystallizer Effective date of registration: 20201211 Granted publication date: 20200407 Pledgee: China Co. truction Bank Corp Ma'anshan branch Pledgor: MA'ANSHAN WANXIN CASTING Co.,Ltd. Registration number: Y2020980009157 |
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