阅读说明：本技术 一种用于钢结构生产的高稳定性折弯装置 (A high stability bending device for steel construction production ) 是由 徐威 于 2021-07-17 设计创作，主要内容包括：本发明公开了一种用于钢结构生产的高稳定性折弯装置,涉及钢管弯折技术领域；为了解决多次弯折问题；具体包括通过升降机构连接的底座和升降台,所述升降台的顶部外壁分别设置有相互配合的驱动机构与弯折机构,所述驱动机构包括通过螺栓固定与升降台顶部的矩形座和两个转动连接于矩形座内壁的丝杠,两个所述丝杠的外壁通过螺纹连接有同一个滑座,滑座的内壁通过轴套转动连接有主轴,主轴的一侧外壁设置有用于对钢管夹持的夹持组件,本发明需要多次弯折时,在上一次弯折结束后,液压缸一复位,重新启动三爪卡盘带动钢管进行轴向移动,待移动至需要位置时,继续启动液压缸一即可实现单根钢管的多处弯折。(The invention discloses a high-stability bending device for steel structure production, and relates to the technical field of steel pipe bending; in order to solve the problem of repeated bending; the steel pipe bending device comprises a base and a lifting platform which are connected through a lifting mechanism, wherein the outer wall of the top of the lifting platform is respectively provided with a driving mechanism and a bending mechanism which are matched with each other, the driving mechanism comprises a rectangular seat fixed to the top of the lifting platform through bolts and two lead screws which are rotatably connected to the inner wall of the rectangular seat, the outer walls of the two lead screws are connected with a same sliding seat through threads, the inner wall of the sliding seat is rotatably connected with a main shaft through a shaft sleeve, and the outer wall of one side of the main shaft is provided with a clamping component for clamping a steel pipe.)

1. The utility model provides a high stability bending device for steel construction production, includes base (1) and elevating platform (3) connected through elevating system (2), its characterized in that, the top outer wall of elevating platform (3) is provided with actuating mechanism (4) and the mechanism of buckling (5) of mutually supporting respectively, actuating mechanism (4) include through rectangular seat (6) and two rotation of bolt fastening and elevating platform (3) top connect in lead screw (14) of rectangular seat (6) inner wall, two the outer wall of lead screw (14) has same slide (13) through threaded connection, and the inner wall of slide (13) rotates through axle sleeve (9) and is connected with main shaft (8), and one side outer wall of main shaft (8) is provided with and is used for centre gripping subassembly (7) to the steel pipe centre gripping, two lead screw (14) pass through hold-in range synchronous drive and connect.

2. The high-stability bending device for steel structure production according to claim 1, wherein the outer wall of one of the lead screws (14) is connected with a second motor (12) through a coupling, the second motor (12) is fixed on the outer wall of the rectangular base (6) through a bolt, the outer wall of the other side of the spindle (8) is connected with a first motor (10) through a coupling, and the first motor (10) is fixed on the outer wall of the sliding base (13) through a bolt.

3. The bending device with high stability for steel structure production according to claim 1, wherein the outer walls of two sides of the sliding base (13) are adhered with pleated rubber (11), and the other ends of the two pleated rubber (11) are respectively adhered to the outer walls of two end parts of the rectangular base (6).

4. The bending device with high stability for steel structure production according to claim 1, wherein the bending mechanism (5) comprises two orientation limiting rollers (25) and one bending roller (27), two sides of the two orientation limiting rollers (25) are rotatably connected with a supporting plate (23) through a first shaft (24), and the supporting plate (23) is fixed on the outer wall of the top of the lifting platform (3) through bolts.

5. The bending device with high stability for steel structure production according to claim 4, wherein two ends of the two orientation limiting rollers (25) are in contact with each other, and the contact surfaces of the orientation limiting rollers (25) and the bending rollers (27) and the steel pipe are completely attached.

6. The bending device with high stability for steel structure production according to claim 5, wherein the outer wall of the bending roller (27) is rotatably connected with a bending frame (29) through a second shaft (26), the outer wall of the bottom of the lifting platform (3) is fixed with a first hydraulic cylinder (28) through a bolt, and a piston rod of the first hydraulic cylinder (28) penetrates through the lifting platform (3) and is fixed on the outer wall of the bottom of the bending frame (29) through a bolt.

7. The high-stability bending device for steel structure production according to claim 1, wherein the clamping assembly (7) comprises a three-jaw chuck (17) and three arc-shaped clamping blocks (19) which are respectively fixed on three clamping jaws of the three-jaw chuck (17) through detachable screws (18), and the arc-shaped clamping blocks (19) are limited in rotation with the clamping jaws of the three-jaw chuck (17) through rectangular columns (22) arranged at the tops of the arc-shaped clamping blocks.

8. The high-stability bending device for steel structure production according to claim 7, wherein a torque transmission frame (16) is fixed on the outer wall of the three-jaw chuck (17) through bolts, a key-shaped sliding groove is formed in the inner wall of the torque transmission frame (16), and the key-shaped sliding groove is movably connected with the main shaft (8) through a key-shaped transmission protrusion (15) arranged on the main shaft (8).

9. The bending device with high stability for steel structure production according to claim 8, wherein a rubber pad (20) is fixed on the other side of the main shaft (8) through a bolt, and a spring (21) is sleeved on the outer wall of the circumference of the main shaft (8) on one side of the rubber pad (20).

10. The high-stability bending device for steel structure production according to claim 1, wherein the lifting mechanism (2) comprises four groups of first connecting rods (31) and second connecting rods (33), four groups of first hinge lugs (30) and second hinge lugs (32) are welded to the outer wall of the opposite side of the base (1) and the lifting platform (3) respectively, the outer wall of the bottom of the first connecting rod (31) is rotatably connected to the outer wall of the first hinge lug (30), the outer wall of the top of the second connecting rod (33) is rotatably connected to the second hinge lug (32), the outer wall of the opposite side of the first connecting rod (31) and the outer wall of the second connecting rod (33) are rotatably connected through a hinge shaft (34), and two outer walls of the hinge shafts (34) are movably provided with a same second hydraulic cylinder (35).

Technical Field

The invention relates to the technical field of steel pipe bending, in particular to a high-stability bending device for steel structure production.

Background

Steel construction building with its easy construction dismantlement, raw materials recoverable and the high advantage of stability, has been received by people extensively, and in the steel construction, the steel pipe is main connecting element, when carrying out the production of steel construction, need be crooked according to structure type with the steel pipe, just need use steel pipe bending device.

Through the retrieval, chinese patent publication is CN 105772548B's patent, a high-efficient bending device of steel pipe is disclosed, including the bottom plate, cylinder I, electronic round, act as go-between, a slide rail, the slider, from the driving wheel, the collecting box, right side frame, the roof, electric putter I, the material case, the extension board, and a support, the pinch roller, the tray, fixed plate I, cylinder III, cylinder II, fixed plate II, clamping device, fixed plate III, the baffle, electric putter II, snap ring and push pedal, bottom plate top left side is equipped with cylinder I, cylinder I top is articulated to be connected with the tray, the inside electronic round that from left to right is equipped with in proper order of bottom plate, slide rail and follow the driving wheel, slide rail top symmetry is equipped with the slider.

The above patents suffer from the following disadvantages: because some steel pipes in the steel structure are not only in a single bending point, the single steel pipe cannot be bent in a single-pass and multiple-position manner, and further improvement is needed.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides a high-stability bending device for steel structure production.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a high stability bending device for steel construction production, includes base and the elevating platform of connecting through elevating system, the top outer wall of elevating platform is provided with actuating mechanism and the mechanism of buckling of mutually supporting respectively, actuating mechanism includes that the rectangle seat and two through bolt fastening and elevating platform top rotate the lead screw of connecting in the rectangle seat inner wall, two the outer wall of lead screw has same slide through threaded connection, and the inner wall of slide rotates through the axle sleeve and is connected with the main shaft, and one side outer wall of main shaft is provided with the centre gripping subassembly that is used for the steel pipe centre gripping, two the lead screw passes through synchronous belt synchronous drive and connects.

Preferably: one of the outer wall of the lead screw is connected with a second motor through a coupler, the second motor is fixed on the outer wall of the rectangular seat through a bolt, the outer wall of the other side of the main shaft is connected with a first motor through a coupler, and the first motor is fixed on the outer wall of the sliding seat through a bolt.

Further: the outer walls of the two sides of the sliding seat are respectively bonded with pleated rubber, and the other ends of the two pleated rubber are respectively bonded with the outer walls of the end parts of the two sides of the rectangular seat.

On the basis of the scheme: the bending mechanism comprises two directional limiting rollers and a bending roller, wherein two sides of the directional limiting rollers are respectively connected with a supporting plate in a rotating mode through a shaft, and the supporting plates are fixed on the outer wall of the top of the lifting platform through bolts.

The better scheme in the scheme is as follows: two the both ends of directional spacing roller contact each other, just directional spacing roller is laminated completely with the contact surface of bending roll and steel pipe.

As a further scheme of the invention: the outer wall of the bending roller is rotatably connected with a bending frame through a second shaft, a first hydraulic cylinder is fixed on the outer wall of the bottom of the lifting platform through a bolt, and a piston rod of the first hydraulic cylinder penetrates through the lifting platform and is fixed on the outer wall of the bottom of the bending frame through a bolt.

Simultaneously, the centre gripping subassembly includes three-jaw chuck and three arc clamp splice that is fixed in respectively on the three clamping jaw of three-jaw chuck through dismantling the screw, the arc clamp splice rotates spacingly through the rectangle post that its top set up and the clamping jaw of three-jaw chuck.

As a preferable aspect of the present invention: the outer wall of the three-jaw chuck is fixedly provided with a torque transmission frame through a bolt, the inner wall of the torque transmission frame is provided with a key-shaped sliding groove, and the key-shaped sliding groove is movably connected with the main shaft through a key-shaped transmission bulge arranged on the main shaft.

Meanwhile, a rubber base plate is fixed to the other side of the main shaft through a bolt, and a spring is sleeved on the outer wall of the circumference of one side, located on the rubber base plate, of the main shaft.

As a more preferable scheme of the invention: elevating system includes four group's connecting rod one and connecting rod two, the relative one side outer wall of base and elevating platform has welded four group's hinge lug one and hinge lug two respectively, the bottom outer wall of connecting rod one rotates to be connected on the outer wall of hinge lug one, the top outer wall and the hinge lug two of connecting rod two rotate to be connected, connecting rod one passes through the articulated shaft rotation with the relative one side outer wall of connecting rod two to be connected, and two the outer wall movable mounting of articulated shaft has same pneumatic cylinder two.

The invention has the beneficial effects that:

1. this a high stability bending device for steel construction production, when motor two starts, it can drive the slide through the rotation of lead screw and remove, thereby change the position of the relative roller of buckling of steel pipe, the back finishes in the regulation, start hydraulic cylinder one, it applys ascending effort to the steel pipe through the roller of buckling, accomplish once buckling, the extension length of angle of buckling accessible hydraulic cylinder one controls, and, when needing to buckle many times, after last buckling, hydraulic cylinder one resets, restart three-jaw chuck drives the steel pipe and carries out axial displacement, treat when removing to needs the position, continue to start hydraulic cylinder one and can realize that the many places of single steel pipe buckle.

2. This a high stability bending device for steel construction production, when motor first starts, it can drive the centre gripping subassembly through the main shaft and rotate to drive the steel pipe and rotate, make the many punishment of buckling of device can the non-coplane, further improved the device and buckled the comprehensiveness to the steel pipe.

3. This a high stability bending device for steel construction production, through being provided with two directional spacing rollers, on the one hand, the directional spacing roller cooperation bending roller at top accomplishes the process of buckling, and on the other hand, the directional spacing roller of bottom can play the support guide effect to the steel pipe, prevents that the steel pipe of one end centre gripping is because of receiving the great emergence of moment of flexure and warp to two directional spacing rollers realize all-round parcel to the steel pipe, also can prevent that the steel pipe when buckling, the department of buckling takes place the platykurtic and warp.

4. This a high stability bending device for steel construction production, through the form with main shaft and torque transmission frame adoption key form transmission arch and key form spout is connected, but its axial slip when can guaranteeing the transmission moment of torsion for when the steel pipe is buckled, can carry out displacement compensation to axial pulling force, thereby prevent that the pinch point from appearing the scratch, and after the process of buckling, the spring can reset to the displacement compensation.

5. This a high stability bending device for steel construction production, when pneumatic cylinder two is flexible, it can drive two articulated shafts apart from changing to change the inclination of connecting rod one and connecting rod two, make the elevating platform change for the high emergence of base, more make things convenient for the use of workman to this device.

Drawings

FIG. 1 is a schematic overall structure diagram of a high-stability bending device for steel structure production according to the present invention;

FIG. 2 is a schematic structural diagram of a driving mechanism of a high-stability bending device for steel structure production according to the present invention;

FIG. 3 is a schematic structural diagram of a clamping assembly of the high-stability bending device for steel structure production according to the present invention;

FIG. 4 is a schematic cross-sectional view of a clamping assembly of the high-stability bending device for steel structure production according to the present invention;

FIG. 5 is a schematic structural diagram of a bending mechanism of a high-stability bending device for steel structure production according to the present invention;

fig. 6 is a schematic structural diagram of a lifting mechanism of a high-stability bending device for steel structure production according to the present invention.

In the figure: 1-base, 2-lifting mechanism, 3-lifting platform, 4-driving mechanism, 5-bending mechanism, 6-rectangular base, 7-clamping component, 8-main shaft, 9-shaft sleeve, 10-motor I, 11-pleated rubber, 12-motor II, 13-sliding base, 14-screw rod, 15-key-shaped transmission protrusion, 16-torque transmission frame, 17-three-jaw chuck, 18-detachable screw, 19-arc clamping block, 20-rubber backing plate, 21-spring, 22-rectangular column, 23-supporting plate, 24-shaft I, 25-directional limiting roller, 26-shaft II, 27-bending roller, 28-hydraulic cylinder I, 29-bending frame, 30-hinging lug I, 31-connecting rod I, 32-a second hinge lug, 33-a second connecting rod, 34-a hinge shaft and 35-a second hydraulic cylinder.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1:

the utility model provides a high stability bending device for steel construction production, as shown in fig. 1, 2, including elevating platform 3, the top outer wall of elevating platform 3 is provided with actuating mechanism 4 and the bending mechanism 5 of mutually supporting respectively, actuating mechanism 4 includes that rectangle seat 6 and two through bolt fastening and elevating platform 3 top rotate the lead screw 14 of connecting in rectangle seat 6 inner wall, two there is same slide 13 outer wall of lead screw 14 through threaded connection, and the inner wall of slide 13 rotates through axle sleeve 9 and is connected with main shaft 8, and one side outer wall of main shaft 8 is provided with the centre gripping subassembly 7 that is used for the steel pipe centre gripping, two lead screw 14 passes through synchronous belt synchronous drive and connects.

In order to solve the transmission problem; as shown in fig. 2, an outer wall of one of the lead screws 14 is connected with a second motor 12 through a coupling, the second motor 12 is fixed on an outer wall of the rectangular base 6 through a bolt, an outer wall of the other side of the main shaft 8 is connected with a first motor 10 through a coupling, and the first motor 10 is fixed on an outer wall of the sliding base 13 through a bolt.

In order to solve the problem of falling and clamping stagnation of sundries; as shown in fig. 2, the outer walls of the two sides of the sliding base 13 are adhered with pleated rubbers 11, and the other ends of the two pleated rubbers 11 are respectively adhered to the outer walls of the two side ends of the rectangular base 6.

In order to solve the guiding problem; as shown in fig. 1 and 5, the bending mechanism 5 includes two directional limiting rollers 25 and one bending roller 27, two sides of the directional limiting rollers 25 are rotatably connected with a supporting plate 23 through a first shaft 24, the supporting plate 23 is fixed on the outer wall of the top of the lifting platform 3 through a bolt, two ends of the directional limiting rollers 25 are in contact with each other, and the contact surfaces of the directional limiting rollers 25 and the bending roller 27 with the steel pipe are completely attached.

In order to solve the bending problem; as shown in fig. 5, the outer wall of the bending roller 27 is rotatably connected to a bending frame 29 through a second shaft 26, a first hydraulic cylinder 28 is fixed to the outer wall of the bottom of the lifting table 3 through a bolt, and a piston rod of the first hydraulic cylinder 28 penetrates through the lifting table 3 and is fixed to the outer wall of the bottom of the bending frame 29 through a bolt.

In order to solve the clamping problem, as shown in fig. 3 and 4, the clamping assembly 7 comprises a three-jaw chuck 17 and three arc-shaped clamping blocks 19 which are respectively fixed on three clamping jaws of the three-jaw chuck 17 through detachable screws 18, and the arc-shaped clamping blocks 19 are limited in rotation with the clamping jaws of the three-jaw chuck 17 through rectangular columns 22 arranged at the tops of the arc-shaped clamping blocks 19.

In the embodiment, when the steel pipe bending machine is used, one end of a steel pipe is manually inserted between two directional limiting rollers 25, then the steel pipe is placed between three arc-shaped clamping blocks 19, the three-jaw chuck 17 is started, the steel pipe can be clamped, when the motor II 12 is started, the sliding seat 13 can be driven to move through the rotation of the screw rod 14, so that the position of the steel pipe relative to the bending roller 27 is changed, after the adjustment is finished, the hydraulic cylinder I28 is started, upward acting force is applied to the steel pipe through the bending roller 27, one-time bending is finished, the bending angle can be controlled through the extending length of the hydraulic cylinder I28, and when multiple times of bending are needed, the hydraulic cylinder I28 is reset after the last time of bending is finished, the three-jaw chuck 17 is restarted to drive the steel pipe to axially move, when the steel pipe is moved to a needed position, the hydraulic cylinder I28 is continuously started, in addition, when the motor I10 is started, it can drive centre gripping subassembly 7 through main shaft 8 and rotate, thereby it rotates to drive the steel pipe, make the many places bending point of device can the non-coplane, further improved the device to the steel pipe comprehensive nature of buckling, in addition, this device is through being provided with two directional spacing rollers 25, on the one hand, the directional spacing roller 25 cooperation bending roller 27 at top accomplishes the process of buckling, on the other hand, the directional spacing roller 25 of bottom can play the support guide effect to the steel pipe, prevent that the steel pipe of one end centre gripping is because of receiving the great emergence of moment of flexure and warp, and two directional spacing rollers 25 realize all-round parcel to the steel pipe, also can prevent that the steel pipe when buckling, the department of buckling takes place the platykurtic and warp.

Example 2:

a high-stability bending device for steel structure production is shown in figure 3, and aims to solve the problem of displacement compensation; the present embodiment is modified from embodiment 1 as follows: the outer wall of three-jaw chuck 17 has moment of torsion transmission frame 16 through the bolt fastening, and key form spout has been seted up to moment of torsion transmission frame 16's inner wall, and key form spout is through setting up protruding 15 of key form transmission and the main shaft 8 swing joint on main shaft 8, the opposite side of main shaft 8 passes through the bolt fastening and has rubber tie plate 20, and one side circumference outer wall cover that main shaft 8 is located rubber tie plate 20 is equipped with spring 21.

This embodiment is when using, because when buckling, the centre gripping point of steel pipe can receive axial tension, and this device is connected through adopting the form of key form transmission arch 15 and key form spout with main shaft 8 and moment of torsion transmission frame 16, and it still can the axial slip when can guaranteeing the transmission moment of torsion for when the steel pipe buckles, can carry out displacement compensation to axial tension, thereby prevent that the centre gripping point from appearing the scratch, and after the process of buckling, spring 21 can reset displacement compensation.

Example 3:

a high-stability bending device for steel structure production is disclosed, as shown in figures 1 and 6, for solving the problem of hunger and thirst; the present embodiment is modified from embodiment 1 as follows: elevating system 2 includes four groups of connecting rods 31 and two 33 of connecting rod, base 1 has four groups of hinge ear 30 and two 32 of hinge ear to weld respectively with the relative one side outer wall of elevating platform 3, the bottom outer wall of connecting rod 31 rotates and connects on the outer wall of hinge ear 30, the top outer wall of two 33 of connecting rod rotates with two 32 of hinge ear to be connected, connecting rod 31 rotates through articulated shaft 34 with the relative one side outer wall of two 33 of connecting rod to be connected, and two the outer wall movable mounting of articulated shaft 34 has two 35 of same pneumatic cylinders.

When the lifting platform is used, when the second hydraulic cylinder 35 stretches, the second hydraulic cylinder can drive the two hinge shafts 34 to change the distance, so that the inclination angles of the first connecting rod 31 and the second connecting rod 33 are changed, the height of the lifting platform 3 relative to the base 1 is changed, and the lifting platform is more convenient for workers to use the lifting platform.

The working principle is as follows: firstly, according to the comfortable height of a worker, a second hydraulic cylinder 35 is started to extend and contract, the distance between two hinge shafts 34 can be changed, so that the inclination angle between a first connecting rod 31 and a second connecting rod 33 is changed, the height of the lifting platform 3 relative to the base 1 is changed, then one end of a steel pipe is manually inserted between two directional limiting rollers 25 and then placed between three arc-shaped clamping blocks 19, a three-jaw chuck 17 is started, the steel pipe can be clamped, when a second motor 12 is started, the second motor can drive a sliding seat 13 to move through the rotation of a lead screw 14, so that the position of the steel pipe relative to a bending roller 27 is changed, after the adjustment is finished, a first hydraulic cylinder 28 is started, upward acting force is applied to the steel pipe through the bending roller 27, the primary bending is finished, the bending angle can be controlled through the extending length of the first hydraulic cylinder 28, and when multiple times of bending are needed, the first hydraulic cylinder 28 resets, the three-jaw chuck 17 is restarted to drive the steel pipe to move axially, when the steel pipe is moved to a required position, the first hydraulic cylinder 28 is continuously started to realize multi-bending of a single steel pipe, in addition, when the first motor 10 is started, the first motor can drive the clamping assembly 7 to rotate through the main shaft 8, so that the steel pipe is driven to rotate, and multi-bending points of the device can be out of the plane.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.