CN111069366B - A spot welding device of bending is managed in side for guardrail production - Google Patents
A spot welding device of bending is managed in side for guardrail production Download PDFInfo
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- CN111069366B CN111069366B CN201911417204.4A CN201911417204A CN111069366B CN 111069366 B CN111069366 B CN 111069366B CN 201911417204 A CN201911417204 A CN 201911417204A CN 111069366 B CN111069366 B CN 111069366B
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- 238000003466 welding Methods 0.000 title claims abstract description 118
- 238000005452 bending Methods 0.000 title claims abstract description 72
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims abstract description 76
- 230000007246 mechanism Effects 0.000 claims abstract description 47
- 230000001360 synchronised effect Effects 0.000 claims description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 28
- 229910052742 iron Inorganic materials 0.000 description 14
- 238000005520 cutting process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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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
- B21D7/00—Bending rods, profiles, or tubes
-
- 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
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/16—Auxiliary equipment, e.g. for heating or cooling of bends
-
- 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
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/02—Machine tools for performing different machining operations
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- Optics & Photonics (AREA)
- Resistance Welding (AREA)
Abstract
The invention discloses a square tube bending spot welding device for guardrail production, relates to the technical field of guardrail production, and solves the problems that the existing bending mode is complex in action, large labor is required to be consumed by workers, and the welding efficiency is low; the front end surface of the base is axially connected with an operating handle; a driving slide block is connected in the base in a sliding manner; the bottom of the lifting connecting rod is hinged with the top of the welding head; the inner side of the rear part of the base is vertically and axially connected with a spot welding driving middle transmission shaft; the inner side of the rear part of the base is axially connected with a spot welding driving screw rod in the horizontal direction. The device can accomplish the action of bending and spot welding to square pipe only through waveing the hand wheel, and simple to use, convenient operation bends through screw nut transmission pair and slider-crank mechanism when bending, and the strength of bending is little, reduces workman's the amount of labour, improvement work efficiency by a wide margin.
Description
Technical Field
The invention relates to the technical field of guardrail production, in particular to a square tube bending spot welding device for guardrail production.
Background
The square pipe is bent and welded frequently in the process of iron guardrail production, the worker needs to use tools to mark out the appointed shape on the square iron pipe firstly, after the appointed shape is marked out on the square iron pipe by the worker, the worker needs to cut along the shape on the square iron pipe, after the shape on the square iron pipe is cut off by the worker, the worker needs to bend and weld the square iron pipe, thereby the bending of the square pipe is completed, subsequently, the left hand of the worker needs to hold one side of the square iron pipe, the right hand of the worker needs to hold a welding part, and the right hand of the worker needs to control the welding part to weld the square iron pipe in contact.
Based on the above, in the existing bending mode, the left hand and the right hand of a worker need to hold the left end and the right end of the square iron pipe respectively to be complex in action, meanwhile, the left hand of the worker needs to expend great labor of the worker when breaking the square iron pipe to one side, and the right hand of the worker needs to control the welding part not only to hold the welding part all the time but also to control the welding part to weld the cutting part of the square iron pipe, so that the efficiency is low; therefore, the existing requirements are not met, and the square pipe bending spot welding device for guardrail production is provided for the requirements.
Disclosure of Invention
The invention aims to provide a square tube bending and spot welding device for guardrail production, which aims to solve the problems that in the existing bending mode provided by the background art, the left hand and the right hand of a worker need to respectively hold the left end and the right end of a square iron tube to be complicated in action, the worker needs to expend great labor for breaking the square iron tube to one side by the left hand of the worker, and the efficiency of welding the cutting part of the square iron tube by the welding part needs to be controlled by the right hand of the worker not only to hold the welding part all the time.
In order to achieve the purpose, the invention provides the following technical scheme: a square tube bending spot welding device for guardrail production comprises a base; the front end surface of the base is axially connected with an operating handle; a driving slide block is connected in the base in a sliding manner; the upper end surface of the base is connected with a bending pulling block in a sliding manner; the top of the bending pulling block is hinged with a connecting rod; the top of the base is fixedly connected with a fixed clamping component; the left end surface of the fixed clamping assembly is axially connected with a movable clamping assembly; the front end surface of the movable clamping assembly is hinged with the other end of the connecting rod; the rear part of the base is connected with a spot welding sliding component in a sliding way; a welding head is connected above the front end face of the spot welding sliding assembly in a sliding manner; the upper part of the spot welding sliding assembly is axially connected with a flywheel; the front end surface of the flywheel is hinged with a lifting connecting rod; the bottom of the lifting connecting rod is hinged with the top of the welding head; the upper part of the rear part of the inner side of the spot welding sliding assembly is axially connected with a driven belt wheel; the lower part of the rear part of the inner side of the spot welding sliding component is axially connected with a driving belt wheel; the inner side of the rear part of the base is vertically and axially connected with a spot welding driving middle transmission shaft; the inner side of the rear part of the base is axially connected with a spot welding driving screw rod in the horizontal direction.
Preferably, the rear end face of the operating handle is coaxially and fixedly connected with a driving block lead screw, and the driving slide block is in threaded transmission connection with the driving block lead screw to jointly form a lead screw nut transmission pair.
Preferably, the right side of the driving slider is provided with a bending driving rack, the left side of the bending pulling block is provided with a bending intermediate gear set, the bending intermediate gear set is axially connected with the base, the bending intermediate gear set is formed by coaxially and fixedly connecting two gears with different sizes, the left end face of the bending pulling block is provided with a bending driven rack, the bending driven rack is meshed with a large gear of the bending intermediate gear set to form a gear and rack transmission mechanism, and the bending driving rack is meshed with a small gear of the bending intermediate gear set to form the gear and rack transmission mechanism.
Preferably, the base, the bending pull block, the movable clamping assembly and the connecting rod form a crank-slider mechanism together.
Preferably, the movable clamping assembly further comprises a clamping hand wheel, a clamping block and clamping guide rods, the front end face of the movable clamping assembly is in threaded transmission connection with the clamping hand wheel, the top of the movable clamping assembly is in sliding connection with the clamping block, the front end face of the clamping block is provided with the two clamping guide rods, the clamping block is axially connected with the clamping hand wheel, and the fixed clamping assembly and the movable clamping assembly are identical in structure.
Preferably, a sliding driving rack is arranged behind the left side of the driving sliding block, a spot welding sliding gear is coaxially and fixedly connected to the bottom of the spot welding driving middle transmission shaft, and the spot welding sliding gear and the sliding driving rack are meshed to form a gear rack transmission mechanism together.
Preferably, a spot welding driving bevel gear is arranged at the top of the spot welding driving middle transmission shaft, a spot welding driven bevel gear is coaxially and fixedly connected to the front end face of the spot welding driving screw rod, the spot welding driven bevel gear and the spot welding driving bevel gear are meshed to form a bevel gear transmission mechanism together, and the spot welding driving screw rod is in threaded transmission connection with the spot welding sliding assembly to form a screw rod nut transmission pair together.
Preferably, the lifting connecting rod is eccentrically hinged with the flywheel, and the spot welding sliding assembly, the welding machine head, the flywheel and the lifting connecting rod jointly form a crank-slider mechanism.
Preferably, the rear end face of the flywheel is coaxially and fixedly connected with a lifting driven bevel gear, the right end face of the driven belt wheel is coaxially and fixedly connected with a lifting driving bevel gear, and the lifting driving bevel gear and the lifting driven bevel gear are meshed to form a bevel gear transmission mechanism together.
Preferably, the right side of the driving pulley is coaxially and fixedly connected with a lifting driven gear, the inner side of the rear part of the base is fixedly connected with a lifting driving rack, the lifting driven gear and the lifting driving rack are meshed to jointly form a gear rack transmission mechanism, and the driving pulley and the driven pulley are in transmission connection through a synchronous transmission belt to jointly form a synchronous transmission belt transmission mechanism.
Compared with the prior art, the invention has the beneficial effects that:
the device has realized the swing of activity clamping component through adopting rack and pinion drive mechanism and slider-crank mechanism, accomplishes the action of bending to square pipe, realizes the slip of spot welding subassembly that slides through rack and pinion drive mechanism, bevel gear drive mechanism, screw nut transmission pair simultaneously, accomplishes the welding and feeds the action, has realized the upper and lower slip of welding head through rack and pinion drive mechanism, bevel gear drive mechanism, slider-crank mechanism simultaneously, accomplishes the spot welding action.
The device can accomplish the action of bending and spot welding to square pipe only through waveing the hand wheel, and simple to use, convenient operation bends through screw nut transmission pair and slider-crank mechanism when bending, and the strength of bending is little, reduces workman's the amount of labour, improvement work efficiency by a wide margin.
Drawings
FIG. 1 is a schematic side view of the present invention;
FIG. 2 is a schematic side view of the drive shaft of the present invention;
FIG. 3 is a schematic side view of a bending transmission shaft according to the present invention;
FIG. 4 is a schematic side view of the bending pulling block mounting shaft of the present invention;
FIG. 5 is a schematic side view of a spot welding feed drive shaft of the present invention;
FIG. 6 is a schematic side view of a spot welding drive shaft of the present invention;
FIG. 7 is a schematic side view of the driving slider of the present invention;
FIG. 8 is a schematic side view of the base of the present invention;
in the figure: 1. a base; 102. a lifting drive rack; 2. an operating handle; 201. a driving block screw; 3. driving the slide block; 301. bending the driving rack; 302. the sliding drives the rack; 4. bending the pulling block; 401. bending the driven rack; 402. bending the intermediate gear set; 5. a movable clamping assembly; 501. clamping a hand wheel; 502. a clamping block; 503. clamping the guide rod; 6. a connecting rod; 7. fixing the clamping assembly; 8. spot welding the sliding component; 9. welding a machine head; 10. a flywheel; 1001. lifting the driven bevel gear; 11. a lifting connecting rod; 12. a driven pulley; 1201. lifting a driving bevel gear; 13. a driving pulley; 1301. a lifting driven gear; 14. driving the intermediate transmission shaft by spot welding; 1401. spot welding the sliding gear; 1402. spot welding the drive bevel gear; 15. spot welding a driving screw; 1501. and spot-welding the driven bevel gear.
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.
Referring to fig. 1 to 8, an embodiment of the present invention includes: a square tube bending spot welding device for guardrail production comprises a base 1, a driving block screw 201 is rotatably connected to the middle of the front side of the base 1, an operating handle 2 is fixedly connected to the front end of the driving block screw 201, a driving slider 3 is connected to the driving block screw 201, the driving slider 3 is in threaded transmission connection with the driving block screw 201 to jointly form a screw nut transmission pair, in use, the operating handle 2 is shaken to drive the driving slider 3 to slide back and forth through the screw nut transmission pair, a sliding driving rack 302 is fixedly connected to the rear portion of the left side of the driving slider 3, a spot welding driving intermediate transmission shaft 14 is vertically and rotatably connected to the inner side of the rear portion of the base 1, a spot welding driving intermediate transmission gear 1401 is fixedly connected to the bottom end of the spot welding driving intermediate transmission shaft 14, the spot welding sliding gear 1401 and the sliding driving rack 302 are meshed to, the sliding driving rack 302 drives the spot welding driving middle transmission shaft 14 to rotate through a gear rack transmission mechanism; a bending driving rack 301 is fixedly connected to the front part of the right side surface of the driving slide block 3, a bending pulling block 4 is slidably connected to the right side of the top of the base 1, a bending intermediate gear set 402 is rotatably connected to the front side of the top in the base 1, the bending intermediate gear set 402 is formed by coaxially and fixedly connecting two gears with different sizes, a bending driven rack 401 is fixedly connected to the left side surface of the bending pulling block 4, the bending driven rack 401 is meshed with a large gear of the bending intermediate gear set 402 to form a rack-and-pinion transmission mechanism, the bending driving rack 301 and a small gear of the bending intermediate gear set 402 are meshed to form a rack-and-pinion transmission mechanism, in use, the two rack-and-pinion transmission mechanisms drive the bending pulling block 4 to slide in the opposite direction in the process of driving slide block 3 to slide forwards and backwards, a connecting rod 6, the left end surface of the fixed clamping component 7 is axially connected with a movable clamping component 5, the lower part of the outer front side surface of the movable clamping component 5 is hinged with the tail end of the connecting rod 6, clamping blocks 502 are arranged in the movable clamping component 5 and the fixed clamping component 7 in a sliding way, the left side and the right side of the front side surface of each clamping block 502 are fixedly connected with clamping guide rods 503, the clamping guide rods 503 penetrate through the movable clamping component 5 and the fixed clamping component 7, the middle parts of the front sides of the movable clamping component 5 and the fixed clamping component 7 are both provided with clamping hand wheels 501 through threads, the rear ends of the clamping hand wheels 501 are rotatably connected with the front side surface of the, when in use, the clamping hand wheel 501 drives the clamping block 502 to slide back and forth to clamp and loosen the square tube, the base 1, the bending pull block 4, the movable clamping component 5 and the connecting rod 6 together form a crank-slider mechanism, during use, the bending action of the square pipe is finished by swinging the movable clamping assembly 5 through the sliding of the bending pulling block 4; the rear part of the base 1 is connected with a spot welding sliding assembly 8 in a sliding manner, the front side surface of the spot welding sliding assembly 8 is connected with a welding machine head 9 in a sliding manner, the upper part of the front side surface of the spot welding sliding assembly 8 is connected with a flywheel 10 in a rotating manner, the eccentric position of the front side surface of the flywheel 10 is hinged with a lifting connecting rod 11, the bottom end of the lifting connecting rod 11 is hinged with the top of the welding machine head 9, the spot welding sliding assembly 8, the welding machine head 9, the flywheel 10 and the lifting connecting rod 11 jointly form a slider-crank mechanism, and the welding machine head 9 is driven; a driven belt wheel 12 is rotatably connected to the upper part of the inner left side surface of the spot welding sliding assembly 8, and a driving belt wheel 13 is rotatably connected to the lower part of the inner left side surface of the spot welding sliding assembly 8; the top end of the spot welding driving intermediate transmission shaft 14 is fixedly connected with a spot welding driving bevel gear 1402, the rear portion of the inner side of the base 1 is axially connected with a spot welding driving screw 15 in the horizontal direction, the front end of the spot welding driving screw 15 is fixedly connected with a spot welding driven bevel gear 1501, the spot welding driven bevel gear 1501 and the spot welding driving bevel gear 1402 are meshed to form a bevel gear transmission mechanism together, the spot welding driving screw 15 is in threaded transmission connection with the spot welding sliding assembly 8 to form a screw nut transmission pair together, in use, the spot welding driving intermediate transmission shaft 14 drives the spot welding driving screw 15 to rotate through the bevel gear transmission mechanism, and the spot welding driving screw 15 drives the spot welding sliding assembly 8.
Further, a lifting driven bevel gear 1001 is fixedly connected to the rear end of the flywheel 10, a lifting driving bevel gear 1201 is fixedly connected to the right end of the driven pulley 12, the lifting driving bevel gear 1201 and the lifting driven bevel gear 1001 are meshed to form a bevel gear transmission mechanism, and when the driven pulley 12 rotates in use, the driven pulley 12 drives the flywheel 10 to rotate through the bevel gear transmission mechanism.
Further, a lifting driven gear 1301 is fixedly connected to the center of the circle of the right side face of the driving pulley 13, a lifting driving rack 102 is fixedly connected to the inner side of the rear portion of the base 1, the lifting driven gear 1301 and the lifting driving rack 102 are meshed to form a gear and rack transmission mechanism together, the driving pulley 13 and the driven pulley 12 are in transmission connection through a synchronous transmission belt to form a synchronous transmission belt transmission mechanism together, when the spot welding sliding assembly 8 slides forwards and backwards in use, the lifting driven gear 1301 rolls on the lifting driving rack 102, and the driven pulley 12 is driven to rotate through the synchronous transmission belt transmission mechanism.
The working principle is as follows: when in use, the two ends of a square tube are respectively fixed through the movable clamping component 5 and the fixed clamping component 7, the operating handle 2 is shaken, the operating handle 2 drives the driving slide block 3 to slide backwards through the screw nut transmission pair, the driving slide block 3 drives the bending pull block 4 to slide forwards through the two gear rack transmission mechanisms, the bending pull block 4 drives the movable clamping component 5 to swing through the crank slide block mechanism, the driving slide block 3 continues to slide forwards, the bending driving rack 301 is separated from the bending middle gear set 402, the sliding driving rack 302 is engaged with the spot welding sliding gear 1401, the driving slide block 3 drives the spot welding driving middle transmission shaft 14 to rotate through the gear rack transmission mechanism, the spot welding driving middle transmission shaft 14 drives the spot welding driving screw rod 15 to rotate through the bevel gear transmission mechanism, the spot welding driving screw rod 15 drives the spot welding sliding component 8 to slide forwards through the screw nut transmission pair, when the spot welding sliding assembly 8 slides forwards, the lifting driven gear 1301 rolls on the lifting driving rack 102, the synchronous transmission belt transmission mechanism drives the driven belt pulley 12 to rotate, the driven belt pulley 12 drives the flywheel 10 to rotate through the bevel gear transmission mechanism, and the flywheel 10 drives the welding head 9 to slide up and down through the slider-crank mechanism, so that spot welding is completed.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (1)
1. The utility model provides a square pipe spot welding device of bending for guardrail production which characterized in that: comprises a base (1); the front end surface of the base (1) is axially connected with an operating handle (2); a driving slide block (3) is connected in the base (1) in a sliding way; the upper end surface of the base (1) is connected with a bending pulling block (4) in a sliding way; the top of the bending pulling block (4) is hinged with a connecting rod (6); the top of the base (1) is fixedly connected with a fixed clamping component (7); the left end surface of the fixed clamping component (7) is axially connected with a movable clamping component (5); the front end surface of the movable clamping component (5) is hinged with the other end of the connecting rod (6); the rear part of the base (1) is connected with a spot welding sliding component (8) in a sliding way; a welding head (9) is connected above the front end face of the spot welding sliding assembly (8) in a sliding manner; the upper part of the spot welding sliding component (8) is axially connected with a flywheel (10); the front end surface of the flywheel (10) is hinged with a lifting connecting rod (11); the bottom of the lifting connecting rod (11) is hinged with the top of the welding head (9); the upper part of the rear part of the inner side of the spot welding sliding component (8) is axially connected with a driven belt wheel (12); the lower part of the rear part of the inner side of the spot welding sliding component (8) is axially connected with a driving belt wheel (13); the inner side of the rear part of the base (1) is vertically and axially connected with a spot welding driving middle transmission shaft (14); a spot welding driving screw rod (15) is axially connected to the inner side of the rear part of the base (1) in the horizontal direction; the rear end face of the operating handle (2) is coaxially and fixedly connected with a driving block lead screw (201), and a driving slide block (3) is in threaded transmission connection with the driving block lead screw (201) to jointly form a lead screw nut transmission pair; a bending driving rack (301) is arranged on the right side of the driving sliding block (3), a bending middle gear set (402) is arranged on the left side of the bending pulling block (4), the bending middle gear set (402) is axially connected with the base (1), the bending middle gear set (402) is formed by coaxially and fixedly connecting two gears with different sizes, a bending driven rack (401) is arranged on the left end face of the bending pulling block (4), the bending driven rack (401) is meshed with a large gear of the bending middle gear set (402) to form a gear and rack transmission mechanism, and the bending driving rack (301) is meshed with a small gear of the bending middle gear set (402) to form the gear and rack transmission mechanism; the base (1), the bending pull block (4), the movable clamping assembly (5) and the connecting rod (6) jointly form a crank sliding block mechanism; the movable clamping assembly (5) further comprises a clamping hand wheel (501), a clamping block (502) and clamping guide rods (503), the front end face of the movable clamping assembly (5) is in threaded transmission connection with the clamping hand wheel (501), the top of the movable clamping assembly (5) is in sliding connection with the clamping block (502), the front end face of the clamping block (502) is provided with the two clamping guide rods (503), the clamping block (502) is in axial connection with the clamping hand wheel (501), and the fixed clamping assembly (7) and the movable clamping assembly (5) are identical in structure; a sliding driving rack (302) is arranged behind the left side of the driving sliding block (3), a spot welding sliding gear (1401) is coaxially and fixedly connected to the bottom of the spot welding driving middle transmission shaft (14), and the spot welding sliding gear (1401) and the sliding driving rack (302) are meshed to form a gear rack transmission mechanism; the top of the spot welding driving middle transmission shaft (14) is provided with a spot welding driving bevel gear (1402), the front end face of the spot welding driving screw (15) is coaxially and fixedly connected with a spot welding driven bevel gear (1501), the spot welding driven bevel gear (1501) and the spot welding driving bevel gear (1402) are meshed to form a bevel gear transmission mechanism together, the spot welding driving screw (15) is in threaded transmission connection with the spot welding sliding component (8) to form a screw nut transmission pair together; the lifting connecting rod (11) is eccentrically hinged with the flywheel (10), and the spot welding sliding assembly (8), the welding head (9), the flywheel (10) and the lifting connecting rod (11) jointly form a crank slider mechanism; the rear end face of the flywheel (10) is coaxially and fixedly connected with a lifting driven bevel gear (1001), the right end face of the driven belt wheel (12) is coaxially and fixedly connected with a lifting driving bevel gear (1201), and the lifting driving bevel gear (1201) and the lifting driven bevel gear (1001) are meshed to form a bevel gear transmission mechanism; the right side of the driving belt wheel (13) is coaxially and fixedly connected with a lifting driven gear (1301), the inner side of the rear part of the base (1) is fixedly connected with a lifting driving rack (102), the lifting driven gear (1301) and the lifting driving rack (102) are meshed to form a gear and rack transmission mechanism together, the driving belt wheel (13) and the driven belt wheel (12) are connected through synchronous belt transmission, and a synchronous belt transmission mechanism is formed together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911417204.4A CN111069366B (en) | 2019-12-31 | 2019-12-31 | A spot welding device of bending is managed in side for guardrail production |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911417204.4A CN111069366B (en) | 2019-12-31 | 2019-12-31 | A spot welding device of bending is managed in side for guardrail production |
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| CN111069366A CN111069366A (en) | 2020-04-28 |
| CN111069366B true CN111069366B (en) | 2021-05-04 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111604396A (en) * | 2020-06-03 | 2020-09-01 | 浙江虹腾新材料有限公司 | Bending device for hardware material processing |
| CN113478233A (en) * | 2021-07-02 | 2021-10-08 | 江苏京生管业有限公司 | Bridge production and manufacturing equipment |
| CN113878005A (en) * | 2021-08-17 | 2022-01-04 | 湖南重源机械有限公司 | Structural part elbow forming mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2696132A (en) * | 1951-03-13 | 1954-12-07 | Solon Mfg Company | Draw-link actuated pipe bender |
| JPS62212040A (en) * | 1985-10-25 | 1987-09-18 | Kobe Steel Ltd | Production of bending mold for continuous casting |
| CN201625697U (en) * | 2010-01-08 | 2010-11-10 | 宋章平 | Metal section cold bender |
| CN201684815U (en) * | 2010-05-07 | 2010-12-29 | 浙江精工钢结构有限公司 | Mechanized hot bending device of steel tube |
| CN103736797B (en) * | 2013-12-30 | 2015-11-25 | 浙江兴宇汽车零部件有限公司 | A kind of Multifunctional guide rail bending forming equipment |
| CN104475514B (en) * | 2014-11-28 | 2016-06-08 | 上海理工大学 | Metal section bar draws bending apparatus |
| CN105344760A (en) * | 2015-12-04 | 2016-02-24 | 佛山高富中石油燃料沥青有限责任公司 | Pipe bending device |
| CN206084214U (en) * | 2016-10-14 | 2017-04-12 | 秦皇岛市山海关工务器材厂 | Welding robot pendulum rifle device |
| CN206936558U (en) * | 2017-07-12 | 2018-01-30 | 潘久彪 | Spring headband bonding machine |
| CN109676390A (en) * | 2018-12-26 | 2019-04-26 | 郑州爱丁宝机电科技有限公司 | Metal mixed process equipment |
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Application publication date: 20200428 Assignee: Tianjin Bo Sheng productivity promotion Limited by Share Ltd. Assignor: Tianjin ruijijiade Intellectual Property Service Co.,Ltd. Contract record no.: X2022120000026 Denomination of invention: A square tube bending and spot welding device for guardrail production Granted publication date: 20210504 License type: Common License Record date: 20220506 |
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