CN109909339B - Double-curvature section bending machine - Google Patents
Double-curvature section bending machine Download PDFInfo
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- CN109909339B CN109909339B CN201910301000.8A CN201910301000A CN109909339B CN 109909339 B CN109909339 B CN 109909339B CN 201910301000 A CN201910301000 A CN 201910301000A CN 109909339 B CN109909339 B CN 109909339B
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Abstract
The invention relates to a double-curvature section bending machine which comprises a rack, a feeding assembly, a forming assembly, an outward pushing assembly and a power device, wherein the feeding assembly comprises two driven shafts, one end of each driven shaft penetrates out of the rack and then is coaxially and fixedly connected with a driven mold wheel, the power device drives the driven shafts to rotate, the forming assembly comprises an upper pressing wheel and a lower pressing wheel, the upper pressing wheel and the lower pressing wheel are arranged on the rack in a lifting mode, the height of the lower pressing wheel is adjustable, and the two driven mold wheels are symmetrically distributed on two sides of the upper pressing wheel and two sides; a gap for the section bar to pass through is reserved between the upper pressing wheel and the lower pressing wheel; the two second sliding blocks are arranged on the rack in a sliding mode, a second rotating shaft is connected between the two second sliding blocks in a rotating mode, the lower pressing wheel is coaxially and fixedly connected to one end of the second rotating shaft and located on one side, far away from the rack, of the second sliding block, an adjusting device for controlling the height of the lower pressing wheel is arranged on the rack, and the top of the adjusting device is coaxially and rotatably connected to the second rotating shaft; the invention realizes multiple functions of one machine and relatively reduces the processing and manufacturing cost.
Description
Technical Field
The invention relates to the technical field of profile processing equipment, in particular to a double-curvature profile bending machine.
Background
In the industries of metallurgy, chemical engineering, petroleum, electric power, pharmacy and the like, bent metal sections, special-shaped materials, plates, spiral coils, spiral half pipes and other parts with specific shapes are often used for heating, cooling and guiding in the production process. The existing pipe bending equipment has the advantages of single function, complex structure and poor adaptability, can only realize simple bending of pipes in a specific plane, can not realize processing of three-dimensional pipes in a three-dimensional space and can not realize processing of pipes with different curvatures, different production equipment needs to be repeatedly purchased for products with different shapes, and the manufacturing cost is high.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a double-curvature section bending machine, which realizes multiple functions and relatively reduces the processing and manufacturing cost.
The purpose of the invention is realized by the following technical scheme:
a double-curvature section bending machine comprises a rack, a feeding assembly, a forming assembly, an outward pushing assembly and a power device, wherein the feeding assembly, the forming assembly and the outward pushing assembly are arranged on the rack and used for supporting and conveying sections, the power device is used for providing power for the feeding assembly, the feeding assembly comprises two driven shafts, one ends of the driven shafts penetrate through the rack and then are coaxially and fixedly connected with driven mold wheels, the power device drives the driven shafts to rotate, the forming assembly comprises an upper pressing wheel and a lower pressing wheel, the upper pressing wheel and the lower pressing wheel are arranged on the rack in a lifting mode, the height of the lower pressing wheel is adjustable, and the two driven mold wheels are symmetrically; a gap for the section bar to pass through is reserved between the upper pressing wheel and the lower pressing wheel; the improved press wheel mechanism is characterized in that two second sliding blocks are arranged on the frame in a sliding mode, a second rotating shaft is connected between the second sliding blocks in a rotating mode, the lower press wheel is fixedly connected to one end of the second rotating shaft in a coaxial mode and located on one side, far away from the frame, of the second sliding blocks in a coaxial mode, an adjusting device for controlling the height of the lower press wheel is arranged on the frame, and the top of the adjusting device is connected to the second rotating shaft in a coaxial mode and rotates.
By adopting the technical scheme, when the section is processed, the power device provides power for the driven shaft, so that the driven die wheel always rotates, the section is sent into the bending machine from the driven die wheel on one side, and the driven die wheel drives the section to enter a gap between the upper pressing wheel and the lower pressing wheel; the adjusting device is used for propping against the second rotating shaft, and the second rotating shaft drives the second sliding block to slide along the rack, so that the lifting control of the height of the lower pressing wheel at the end part of the second rotating shaft is realized; the positions of the upper pressing wheel and the lower pressing wheel are adjusted to adjust the center distance between the upper pressing wheel and the lower pressing wheel and between the two driven die wheels, so that a circumferential pipe or a double-curvature bent pipe can be extruded according to actual requirements, multiple functions are realized, and the processing and production cost is relatively reduced. The push-out component continuously pushes in the section bending process, so that the section is bent in a plane and then extends to a space to form a product with a three-dimensional space structure, and the defect of poor universality of the traditional metal section bending equipment is overcome.
Preferably, the adjusting device comprises a first motor, two first gears, two second lead screws, a second gear and a supporting block, the first motor drives the second gear, the second gear is meshed with the two first gears, the two second lead screws are respectively coaxial and fixedly connected with the two first gears, the top ends of the two second lead screws are rotatably connected to the supporting block, the bottom ends of the two second lead screws are rotatably connected to the rack, and the supporting block is rotatably sleeved on the second rotating shaft.
By adopting the technical scheme, the first motor drives the second gear to rotate, the second gear is meshed with the two first gears and is driven to rotate by the first gear, the first gears coaxially drive the second screw rod to rotate, the supporting block is enabled to move up and down relative to the second screw rod, and therefore the supporting block drives the second rotating shaft to lift.
Preferably, the rack comprises a bottom plate, two convex side plates fixedly connected to two sides above the bottom plate, a rib plate connecting the two side plates, and an end plate coated between the two side plates, wherein the two side plates are parallel to each other and are perpendicular to the bottom plate.
By adopting the technical scheme, the box-type welding structure is adopted, the bottom of the end plate and the two side plates and the bottom plate are enclosed to form a box structure, the frame is ensured to meet the requirements of strength and rigidity, and the bending of a large-caliber steel pipe (less than or equal to phi 219) can be met.
As preferred, every all set up the main slide that perpendicular bottom plate set up on the curb plate, two the second slider slides respectively and sets up in two main slides, two all slide in the top of second slider in the main slide and be provided with first slider, rotate between two first sliders and be connected with first pivot, go up coaxial and fixed connection of pinch roller and be located one side of keeping away from the curb plate of first slider in the one end of first pivot.
Through adopting above-mentioned technical scheme, the second slider slides along main slide, satisfies the pinch roller and goes up and down along the frame. The upper pinch roller is coaxially connected with the first rotating shaft, the first sliding blocks at two ends of the first rotating shaft drive the first rotating shaft to lift, and the height of the upper pinch roller is adjusted, so that the height of the upper pinch roller and the height of the lower pinch roller are adjusted, and the requirements of different curvature section bar products can be met.
Preferably, the top ends of the two side plates are fixed with transverse plates, each transverse plate is connected with a first lead screw which is vertically and downwards arranged in a threaded mode, and the first sliding block is rotatably connected to the bottom end of the first lead screw.
Through adopting above-mentioned technical scheme, through rotating first lead screw, make it upwards or move down for the diaphragm to take first slider to slide along main slide, realize the lift control to going up the pinch roller.
Preferably, a clamping block is fixedly arranged at the top end of the first screw rod.
Through adopting above-mentioned technical scheme, the effect of joint piece is for the bayonet socket phase-match buckle with instruments such as spanner to when rotatory first lead screw, can rotate the regulation with the help of the instrument.
As preferred, be provided with two in the bilateral symmetry of main slide on the curb plate and assist the slide, assist the slide and be on a parallel with main slide setting, the bottom of assisting the slide highly is greater than the bottom of main slide apart from the height of bottom plate apart from the bottom plate, it is provided with the assistance pinch roller to assist in sliding in the slide, the clearance of centre gripping section bar is left between assistance pinch roller and the driven mould wheel.
Through adopting above-mentioned technical scheme, through assisting pinch roller and driven die wheel centre gripping section bar, realize the transport of section bar on the one hand, on the other hand can realize the control to section bar bending angle through the height of adjusting the auxiliary pinch roller. In addition, through adjusting the position of auxiliary pressure wheel, can satisfy in the section bar processing of specifications such as different diameters or thickness, the practicality is strong.
Preferably, the pushing-out assembly comprises two groups of pushing-out assemblies, the two groups of pushing-out assemblies are arranged above the driven die wheel and can move relative to the rack, and the pushing-out assemblies can push the section bar to one side far away from the rack; the two outward pushing assemblies are respectively positioned on two sides above the upper pinch roller.
Preferably, the pushing-out assembly comprises a screw and a rotating wheel rotatably connected to one end of the screw, the screw is perpendicular to the side plate and is detachably arranged on the side plate, and the axis of the rotating wheel is parallel to the side plate.
Through adopting above-mentioned technical scheme, through rotatory screw rod, make it take the runner to the direction removal of being close to or keeping away from the curb plate, when the section bar of below upwards reachs the runner of one side from the driven mould wheel, the pitch of section bar can be adjusted to the distance of control runner apart from the curb plate, and two runner cooperations not only can realize the control of pitch, can guarantee the stability of section bar in three-dimensional space shaping moreover.
Preferably, the power device comprises a driving shaft, two idle wheels which are symmetrically arranged on two sides above the driving shaft and a power assembly for driving the driving shaft to rotate, two ends of the driving shaft and the idle wheels are rotatably connected to two side plates, one end of the driving shaft, which is far away from the forming assembly, penetrates through the side plates and then is coaxially and fixedly connected with a main gear, one end of the idle wheels, which is far away from the forming assembly, penetrates through the side plates and then is coaxially and fixedly connected with idle gears, the two driven shafts are symmetrically arranged on two sides of the driving shaft, one end of each driven shaft, which is far away from the forming assembly, is coaxially and fixedly connected with a driven gear.
Through adopting above-mentioned technical scheme, power component drive driving shaft is rotatory, and the driving shaft drives the master gear rotatory, and the master gear drives the idler gear and rotates, and the idler gear drives driven gear rotatory together, and driven gear drives the driven shaft and rotates together, and the driven shaft drives driven mould wheel and rotates, realizes the support and the transport to the section bar. The arrangement of the driving shaft, the intermediate wheel shaft and the driven shaft enables the meshing stability among gears to be better in the mechanical transmission process, guarantees the stability of the section bar machining process and improves the section bar machining quality.
In conclusion, the invention has the following beneficial effects:
(1) the upper pressing wheel and the lower pressing wheel are matched with the feeding assembly and the outward pushing assembly, so that the bending and processing of profiles with different curvatures and different screw pitches can be realized, the multiple functions of one machine are realized, and the processing and production cost is relatively reduced;
(2) the auxiliary pressing wheel is matched with the driven die wheel, so that feeding can be realized, bending of a large-diameter steel pipe can be realized, and the practicability is high;
(3) the frame of box structure satisfies intensity, rigidity requirement, can satisfy the system of bending of heavy-calibre steel pipe (less than or equal to phi 219), and the practicality is strong.
Drawings
FIG. 1 is a schematic view of the bending machine of the present invention in a machine state;
FIG. 2 is a side view of one side of the molding assembly of the present invention;
FIG. 3 is a schematic perspective view of the molding assembly of the present invention from one side thereof;
FIG. 4 is a schematic view of the structure within the housing;
fig. 5 is a schematic structural diagram of the adjusting device.
Reference numerals: 1. a frame; 11. a base plate; 12. a side plate; 13. a rib plate; 14. an end plate; 15. a transverse plate; 21. a drive shaft; 211. a main gear; 31. a motor; 32. a reduction motor; 41. an upper pinch roller; 42. a lower pinch roller; 421. a first motor; 422. a first gear; 423. a second lead screw; 424. a second gear; 425. a support block; 43. a first lead screw; 431. a clamping block; 44. a first slider; 45. a first rotating shaft; 46. a second slider; 47. a second rotating shaft; 51. a main slideway; 61. a driven shaft; 611. a driven gear; 62. a driven die wheel; 71. a medium wheel shaft; 711. a idler gear; 81. a screw; 82. a rotating wheel; 91. an auxiliary slideway; 92. an auxiliary pressure wheel; 10. and (3) a section bar.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
The invention discloses a double-curvature section bender, which comprises a frame 1, a feeding assembly, a forming assembly, an outward pushing assembly and a power device, wherein the feeding assembly, the forming assembly and the outward pushing assembly are arranged on the frame 1 and are used for supporting and conveying a section 10, and the power device is used for providing power for the feeding assembly. The power device comprises a driving shaft 21 and a power assembly for driving the driving shaft 21 to rotate, the power assembly comprises a motor 31 and a speed reducing motor 32, a power output end of the motor 31 is connected with a power input end of the speed reducing motor 32, and a power output end of the speed reducing motor 32 is fixedly connected with the driving shaft 21, so that the driving shaft 21 can be driven to rotate. The frame 1 comprises a bottom plate 11, two convex side plates 12 welded on two sides above the bottom plate 11, rib plates 13 welded between the two side plates 12 and end plates 14 coated and welded between the two side plates 12, the two side plates 12 are parallel and perpendicular to the bottom plate 11, the end plates 14 wrap the lower parts of the convex side plates 12 and seal the upper parts of the side plates 12 and bosses formed on the lower parts, so that box-type welding structures are formed between the end plates 14, the lower parts of the two side plates 12 and the bottom plate 11, and the effect of strengthening and supporting is achieved.
As shown in fig. 1 and 2, the forming assembly includes an upper pressing wheel 41 that is arranged on the frame 1 in a lifting manner, and a lower pressing wheel 42 that is positioned under the upper pressing wheel 41 and has an adjustable height. All set up the main slide 51 that perpendicular bottom plate 11 set up on every curb plate 12, the top of two curb plates 12 all is fixed with diaphragm 15, equal threaded connection has the vertical first lead screw 43 that sets up downwards on every diaphragm 15, the bottom of every first lead screw 43 all is connected with first slider 44 through the bearing rotation, it is connected with first pivot 45 to rotate between two first sliders 44, the coaxial fixed connection of last pinch roller 41 is in the one end of first pivot 45 and is located one side of keeping away from curb plate 12 of first slider 44. The first screw 43 is rotated to drive the first slider 44 to slide along the main slideway 51, so as to drive the upper pressure wheel 41 to lift, and the position of the upper pressure wheel 41 is adjusted. In order to facilitate the rotation adjustment of the first lead screw 43, a prism-shaped clamping block 431 matched with the wrench bayonet is welded at the top end of the first lead screw 43. The second sliding blocks 46 are arranged in the main sliding way 51 below the first sliding blocks 44 in a sliding manner, a second rotating shaft 47 is connected between the two second sliding blocks 46 in a rotating manner, and the lower pressing wheel 42 is coaxially and fixedly connected to one end of the second rotating shaft 47 and is positioned on one side, far away from the side plate 12, of the second sliding block 46.
As shown in fig. 3, the feeding assembly includes two driven shafts 61, and one end of the driven shaft 61 penetrates through the side plate 12 and is coaxially and fixedly connected with a driven die wheel 62. Two auxiliary slideways 91 are symmetrically arranged on the two sides of the main slideway 51 on the side plate 12, the auxiliary slideways 91 are arranged in parallel to the main slideway 51, the height from the bottom end of each auxiliary slideway 91 to the bottom plate 11 is greater than the height from the bottom end of the main slideway 51 to the bottom plate 11, an auxiliary pressing wheel 92 is arranged in each auxiliary slideway 91 in a sliding mode, and a gap for clamping the section bar 10 is reserved between each auxiliary pressing wheel 92 and the driven die wheel 62. The sliding lifting structure and principle of the auxiliary pressing wheel 92 in the auxiliary slideway 91 are completely the same as those of the upper pressing wheel 41, and are not described in detail herein.
As shown in fig. 4 and 5, an adjusting device for driving the lower pressure wheel 42 to ascend and descend is disposed on the bottom plate 11 below the second rotating shaft 47, and specifically includes a first motor 421, two first gears 422, two second screws 423, a second gear 424 and a supporting block 425, and the supporting block 425 is sleeved on the second rotating shaft 47 and is rotatably connected with the second rotating shaft 47 through a bearing. The two second screw rods 423 are respectively located at two sides of the driving shaft 21, the upper parts of the two second screw rods 423 are respectively in threaded connection with the upper part and the lower part of the supporting block 425 respectively and coaxially and fixedly connected with the two first gears 422, and the bottom ends are rotatably connected to the bottom plate 11 through bearings. The first motor 421 drives the second gear 424 to rotate, and the second gear 424 is meshed with the two first gears 422, so as to drive the second screw rod 423 to displace in the vertical direction. The second screw 423 is arranged perpendicular to the supporting block 425 and is rotationally connected with the supporting block 425 through a bearing, so that the first motor 421 coaxially drives the second gear 424, the second gear 424 is meshed with the second motor and drives the two first gears 422 to rotate, the first gears 422 coaxially drive the second screw 423 to rotate, the supporting block 425 drives the second rotating shaft 47 to ascend and descend along the second screw 423, and the ascending and descending control of the pressing wheel 42 is realized.
As shown in fig. 1 and 4, two ends of the driving shaft 21 are respectively rotatably connected to the two side plates 12, one end of the driving shaft 21, which is far away from the forming assembly, penetrates through the side plates 12 and is coaxially and fixedly connected with a main gear 211, two driven shafts 61 are symmetrically arranged on two sides of the driving shaft 21, and one end of the driven shaft 61, which is far away from the forming assembly, is coaxially and fixedly connected with a driven gear 611. Two idle axles 71 are symmetrically arranged on the two sides of the side plate 12 above the driving shaft 21, and the idle axles 71 are positioned below the driven shaft 61. Two ends of an intermediate wheel shaft 71 are rotatably connected to the two side plates 12, one end of the intermediate wheel shaft 71, which is far away from the forming assembly, penetrates through the side plates 12 and is coaxially and fixedly connected with an intermediate gear 711, the intermediate gear 711 is meshed with the main gear 211 and the driven gear 611, so that the motor 31 drives the reduction motor 32, the reduction motor 32 drives the main gear 211, the main gear 211 drives the intermediate gear 711, the intermediate gear 711 drives the driven gear 611, the driven gear 611 drives the driven shaft 61 to rotate, the driven shaft 61 drives the driven die wheels 62 to rotate, the section 10 penetrates through one driven die wheel 62 and penetrates out of the other driven die wheel 62 after penetrating between the upper pressing wheel 41 and the lower pressing wheel 42, and the continuous feeding process is realized.
As shown in FIG. 5, the extrapolation assembly is provided in two sets, one on each side of the upper pinch roller 41. Each set of the push-out assemblies is located above the driven die wheel 62 and is movable relative to the side plate 12 and can push the profile 10 towards the side remote from the side plate 12. The concrete structure of the push-out component comprises a screw 81 and a rotating wheel 82 which is rotatably connected with one end of the screw 81, the screw 81 is vertical to the side plate 12 and is detachably arranged on the side plate 12, and the axis of the rotating wheel 82 is parallel to the side plate 12; the pitch of the bending pitch of the profile 10 is controlled by turning the screw 81 to control the distance between the wheel 82 and the side plate 12.
The implementation principle of the invention is as follows:
according to the processing requirement, the height of the auxiliary pressing wheel 92 is adjusted, so that the bending caliber of the section bar 10 is controlled; the heights of the upper pressing wheel 41 and the lower pressing wheel 42 are adjusted, so that the curvature control of the bending of the section bar 10 can be realized; for example, lower pressure wheel 42, being higher than driven die wheel 62, will bend out a product of at least two curvatures; the pitch of the product can be controlled by adjusting the distance between the two rotating wheels 82 and the side plate 12, and the distance between the rotating wheel 82 on the output side and the side plate 12 is larger than the distance between the rotating wheel 82 on the output side and the side plate 12, so that the profile 10 after being bent in space can be supported left and right, and is more stable when continuously extending in the direction far away from the side plate 12; as shown in fig. 3, the profile 10 to be processed is fed into a bending machine from a driven die wheel 62 on one side, enters between an upper pressing wheel 41 and a lower pressing wheel 42 under the clamping and conveying of the driven die wheel 62 and an auxiliary pressing wheel 92 to be bent, then is fed to a rotating wheel 82 of an outward pushing assembly after passing through the bending of the other driven die wheel 62 and the auxiliary pressing wheel 92, and the processing process of products such as stable three-dimensional spiral and the like is realized under the conveying, pushing and supporting of the two rotating wheels 82. In addition, the types and the structures of the driven die wheel 62, the auxiliary pressing wheel 92, the upper pressing wheel 41 and the lower pressing wheel 42 are changed, so that the manufacture of double-curvature semi-circular tubes pressed by steel strips and the manufacture of circular open-loop or closed-loop products pressed by rectangular steel, round steel, channel steel, angle steel, strip steel and the like can be realized.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (5)
1. The utility model provides a double curvature section bar bending machine, includes frame (1), sets up the power device that is used for supporting and carrying feeding assembly, shaping subassembly and the extrapolation subassembly of section bar (10) and is used for providing power for feeding assembly on frame (1), its characterized in that: the feeding assembly comprises two driven shafts (61), one end of each driven shaft (61) penetrates through the rack (1) and is coaxially and fixedly connected with a driven mold wheel (62), the power device drives the driven shafts (61) to rotate, the forming assembly comprises an upper pressing wheel (41) arranged on the rack (1) in a sliding mode and a lower pressing wheel (42) which is located right below the upper pressing wheel (41) and is adjustable in height, and the two driven mold wheels (62) are symmetrically distributed on two sides of the upper pressing wheel (41) and the lower pressing wheel (42); a gap for the section bar (10) to pass through is reserved between the upper pressing wheel (41) and the lower pressing wheel (42); the machine frame (1) is provided with two second sliding blocks (46) in a sliding manner, a second rotating shaft (47) is rotatably connected between the two second sliding blocks (46), the lower pressing wheel (42) is coaxially and fixedly connected to one end of the second rotating shaft (47) and is positioned on one side, far away from the machine frame (1), of the second sliding blocks (46), an adjusting device for controlling the height of the lower pressing wheel (42) is arranged on the machine frame (1), and the top of the adjusting device is coaxially and rotatably connected to the second rotating shaft (47);
the rack (1) comprises a bottom plate (11), two convex side plates (12) fixedly connected to two sides above the bottom plate (11), a rib plate (13) connecting the two side plates (12) and an end plate (14) coated between the two side plates (12), wherein the two side plates (12) are parallel to each other and are perpendicular to the bottom plate (11);
each side plate (12) is provided with a main slide way (51) perpendicular to the bottom plate (11), the two second slide blocks (46) are respectively arranged in the two main slide ways (51) in a sliding manner, the two main slide ways (51) are respectively provided with a first slide block (44) above the second slide blocks (46) in a sliding manner, a first rotating shaft (45) is rotatably connected between the two first slide blocks (44), and the upper pressing wheel (41) is coaxially and fixedly connected to one end of the first rotating shaft (45) and is positioned on one side, far away from the side plate (12), of each first slide block (44);
two auxiliary slideways (91) are symmetrically arranged on the side plate (12) on two sides of the main slideway (51), the auxiliary slideways (91) are arranged in parallel to the main slideway (51), the height from the bottom ends of the auxiliary slideways (91) to the bottom plate (11) is greater than the height from the bottom ends of the main slideways (51) to the bottom plate (11), auxiliary press wheels (92) are arranged in the auxiliary slideways (91) in a sliding manner, and gaps for clamping the section bars (10) are reserved between the auxiliary press wheels (92) and the driven die wheels (62);
the adjusting device comprises a first motor (421), two first gears (422), two second screw rods (423), a second gear (424) and a supporting block (425), wherein the first motor (421) drives the second gear (424), the second gear (424) is meshed with the two first gears (422), the two second screw rods (423) are respectively coaxial and fixedly connected with the two first gears (422), the top ends of the two second screw rods (423) are rotatably connected to the supporting block (425), the bottom ends of the two second screw rods (423) are rotatably connected to the frame (1), and the supporting block (425) is rotatably sleeved on the second rotating shaft (47);
the power device comprises a driving shaft (21), two idle wheel shafts (71) symmetrically arranged on two sides above the driving shaft (21) and a power assembly driving the driving shaft (21) to rotate, wherein two ends of the driving shaft (21) and the idle wheel shafts (71) are rotatably connected to two side plates (12), one end of the driving shaft (21) far away from a forming assembly penetrates through the side plates (12) and then is coaxially and fixedly connected with a main gear (211), one end of the idle wheel shaft (71) far away from the forming assembly penetrates through the side plates (12) and then is coaxially and fixedly connected with idle gears (711), the two driven shafts (61) are symmetrically arranged on two sides of the driving shaft (21), one end of the driven shaft (61) far away from the forming assembly and then is coaxially and fixedly connected with driven gears (611), and the idle gears (711) are meshed with the main gear (211) and the driven gears (.
2. The double curvature profile bender according to claim 1, wherein: the top of two curb plate (12) all is fixed with diaphragm (15), every equal threaded connection has vertical first lead screw (43) that set up downwards on diaphragm (15), first slider (44) rotate to be connected in the bottom of first lead screw (43).
3. The double curvature profile bender according to claim 2, wherein: and a clamping block (431) is fixedly arranged at the top end of the first screw rod (43).
4. The double curvature profile bender according to claim 1, wherein: the pushing-out assembly comprises two groups of pushing-out assemblies, the two groups of pushing-out assemblies are arranged above the driven die wheel (62), can move relative to the rack (1), and can push the section bar (10) to one side far away from the rack (1); the two outward pushing assemblies are respectively positioned at two sides above the upper pressing wheel (41).
5. The double curvature profile bender according to claim 4, wherein: the pushing-out assembly comprises a screw rod (81) and a rotating wheel (82) connected to one end of the screw rod (81) in a rotating mode, the screw rod (81) is perpendicular to the side plate (12) and is detachably arranged on the side plate (12), and the axis of the rotating wheel (82) is parallel to the side plate (12).
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| CN201910301000.8A CN109909339B (en) | 2019-04-15 | 2019-04-15 | Double-curvature section bending machine |
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| CN201910301000.8A CN109909339B (en) | 2019-04-15 | 2019-04-15 | Double-curvature section bending machine |
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| CN110369577A (en) * | 2019-08-26 | 2019-10-25 | 中化二建集团有限公司 | A kind of large-scale storage tank heating coil producing device |
| CN112387784A (en) * | 2020-10-26 | 2021-02-23 | 广州品发机电科技有限公司 | Width-adjustable rolling forming mechanism for bridge production |
| CN113547005B (en) * | 2021-07-26 | 2022-10-04 | 广州高谱机械科技有限公司 | Positive and negative bending equipment of section bar of variable camber |
| CN113680866B (en) * | 2021-10-26 | 2022-01-04 | 江苏泽海机械科技有限公司 | Section bending machine with high torque transmission reliability |
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| FR2899138B3 (en) * | 2006-03-28 | 2008-03-14 | Tauring S P A | SECTION BENDING MACHINE |
| CN202498118U (en) * | 2012-02-16 | 2012-10-24 | 成都市工业设备安装公司 | Spiral pipe processing device |
| CN203875161U (en) * | 2014-05-23 | 2014-10-15 | 浙江国华家具有限公司 | Bending machine for rapidly manufacturing supporting framework of leisure chair |
| CN205096298U (en) * | 2015-10-25 | 2016-03-23 | 深圳燕浩实业发展有限公司 | Six roller type material bending roll machines |
| CN207057351U (en) * | 2017-07-28 | 2018-03-02 | 广州高谱机械科技有限公司 | Section bar three-dimensional roll bending machine |
| CN208575136U (en) * | 2018-07-24 | 2019-03-05 | 山东安泰克工程材料有限公司 | A kind of high-precision radian roll bending equipment |
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