CN113617904A - Bidirectional bending structure and bending machine comprising same - Google Patents
Bidirectional bending structure and bending machine comprising same Download PDFInfo
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- CN113617904A CN113617904A CN202110957763.5A CN202110957763A CN113617904A CN 113617904 A CN113617904 A CN 113617904A CN 202110957763 A CN202110957763 A CN 202110957763A CN 113617904 A CN113617904 A CN 113617904A
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- 238000005452 bending Methods 0.000 title claims abstract description 176
- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 43
- 230000007246 mechanism Effects 0.000 claims abstract description 104
- 239000000463 material Substances 0.000 claims description 62
- 238000003825 pressing Methods 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 238000003754 machining Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000007514 turning Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000013072 incoming material Substances 0.000 description 1
- 239000002905 metal composite material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 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
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
-
- 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
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
-
- 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
- B21D7/08—Bending rods, profiles, or tubes by passing between rollers or through a curved die
-
- 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
- B21D7/12—Bending rods, profiles, or tubes with programme control
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Abstract
The invention discloses a bidirectional bending structure and a bending machine comprising the same, wherein the bidirectional bending structure comprises a first shaft arm, a second shaft arm, a sliding block and a rotating mechanism, wherein the sliding block is positioned at the bottom of the first shaft arm and the bottom of the second shaft arm; the limiting mechanisms are arranged on two sides of the sliding block or two sides of the first shaft arm and the second shaft arm; through the sliding of the rotating mechanism, the bending mechanism is driven to rotate by taking the first shaft arm and the second shaft arm as axes respectively, so that the purpose of bidirectional bending is achieved. The bending machine comprises the bidirectional bending structure, and further comprises a bending platform, a feeding device and a tightening device. The bending structure can simultaneously realize bidirectional bending of the section bar, and can simultaneously realize the front-back, left-right, up-down movement of the bending mechanism, thereby reducing the processing cost and improving the production efficiency.
Description
Technical Field
The invention relates to the technical field of metal bending forming, in particular to a bidirectional bending structure and a bending machine comprising the same.
Background
In machining production, bending is a machining process with a wide application range, and for a long time, in order to improve the production efficiency of special-shaped metal products, reduce the labor cost and the like, various enterprises are actively researching on how to improve the automation level of bending production.
In the prior art, the bending structure has a single running direction, only can be used for bending the section in one direction by a straight line, and in the machining process, the section is often required to be turned over to realize the bending operation of the section in the other direction, so that the production efficiency is low, and the development of the metal bending forming technology is severely restricted.
Therefore, how to provide a bidirectional bending structure capable of solving all or part of the above technical problems is a problem that needs to be solved by those skilled in the art.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the above-mentioned problems in the prior art.
To this end, an object of the present invention is to provide a bidirectional bending structure for bending a profile, including a first shaft arm and a second shaft arm, and further including: the sliding block is positioned at the bottom of the first shaft arm and the second shaft arm and fixedly connected with the first shaft arm and the second shaft arm; the rotating mechanism is connected to the bottom of the sliding block in a sliding manner; the limiting mechanisms are arranged on two sides of the sliding block or on two sides of the first shaft arm and the second shaft arm; when the axis of the rotating mechanism slides to the axis position of the first shaft arm, the sliding block can be driven to rotate around the axis of the first shaft arm, and at the moment, the second shaft arm rotates around the first shaft arm to realize forward bending; when the axis of the rotating mechanism slides to the axis position of the second shaft arm, the sliding block can be driven to rotate around the axis of the second shaft arm, and at the moment, the first shaft arm rotates around the second shaft arm to realize reverse bending.
Furthermore, the first shaft arm and the second shaft arm are detachably fixed on the sliding block, a limiting shaft is arranged at the end part of the first shaft arm and/or the second shaft arm, the limiting shaft is I-shaped or serial-shaped, and a groove part is formed in the shaft surface to limit the profile.
Furthermore, the rotating mechanism comprises a first base, a second sliding seat, a third clamping seat, a rotating motor and a push-pull motor, the third clamping seat is rotatably connected to the top of the second sliding seat and is driven by the rotating motor, the second sliding seat is slidably connected to the first base and is driven by the push-pull motor, a sliding groove is formed in the top of the third clamping seat along the sliding direction of the second sliding seat, and the sliding block is slidably connected in the sliding groove.
Furthermore, the bottom of the first base is also connected with a slide rail base in a sliding manner, and the sliding direction of the first base on the slide rail base is perpendicular to the sliding direction of the second slide base on the first base.
Further, the bottom of the rotating mechanism is also provided with at least one lifting device, and the lifting device can be formed by matching a slide way and a motor, such as an air cylinder, an oil cylinder, a gear, a lead screw and the like.
Furthermore, a limiting fixed block is further arranged above the sliding block, the end face of the limiting fixed block is an arc, and the outer edge of the arc is close to the limiting mechanism.
Furthermore, limiting mechanism is for opening the limiting plate that has four U type draw-in grooves, first shaft arm and second shaft arm are located two in the middle respectively in the U type draw-in groove.
The working principle of the bidirectional bending structure disclosed by the technical scheme is as follows:
the bidirectional bending operation of the section is realized by arranging two bending arms (specifically, a first shaft arm and a second shaft arm) which can rotate around each other, and a rotating axle center needs to be switched for enabling the two bending arms to rotate around each other, so that a rotating platform (specifically, a third clamping seat) which can slide transversely and freely is arranged below the two bending arms, the rotating platform can slide between the first shaft arm and the second shaft arm and further switches the rotating axle center, and the rotating platform can rotate by taking the platform center as an axle, so that the first shaft arm or the second shaft arm is driven to rotate; in order to enable the rotating platform and the third clamping seat to slide between the first shaft arm and the second shaft arm, a second sliding seat which is connected in a rotating mode is arranged on the periphery of the third clamping seat, the second sliding seat mainly plays a role in fixing and protecting a rotating motor which drives the third clamping seat to rotate, and the rotating motor can also be used as the second sliding seat to be directly connected with the first base at the bottom; the second slide still sliding connection has first base to realize foretell left and right direction's slip, first base can set up in the bottom of second slide, also can set up the lateral wall at the second slide, and this technical scheme only provides possible connected mode.
In order to enhance the adaptability and functionality of the bidirectional bending structure, preferably, a sliding rail base is further connected to the bottom of the first base in a sliding manner in the front-back direction, so that the whole device can move in the front-back direction; at least one lifting structure is arranged at the bottommost part of the whole bidirectional bending structure, and the lifting device is particularly used in the scheme, so that the whole device can move in the vertical direction.
Another object of the present invention is to provide a bending machine, which includes the above bidirectional bending structure, and further includes a bending platform and a material tightening device.
The top of the bending platform is provided with a platform hole, the rotating mechanism is positioned at the bottom of the bending platform, the bending mechanism penetrates through and extends out of the platform hole, and the limiting mechanism is fastened on the bending platform or positioned in the platform hole; the material tightening device is fixed on the bending platform, is positioned on the incoming material side of the bending mechanism and is a plurality of groups of rotating shaft arms or pressing cylinders which are arranged in parallel, and the limiting mechanism is a limiting plate arranged on the table top of the bending platform or a limiting bulge arranged at the inner edge of the platform hole.
Furthermore, the material conveying device comprises a conveying rail and a material conveying mechanism which is connected to the conveying rail in a sliding mode, the material conveying mechanism is driven by a feeding motor, and a pressing cylinder and a pressing block are arranged on the material conveying mechanism.
Furthermore, the bending machine further comprises a numerical control unit, and the numerical control unit is electrically connected with the bidirectional bending structure, the material tightening device and the material feeding device respectively.
The working principle of the bending machine disclosed by the technical scheme is as follows:
the operation of the feeding device, the material tightening device and the bidirectional bending structure is controlled by the numerical control unit to realize the conveying and bending forming of the section, the feeding length and the bending angle parameters can be preset, and the bidirectional bending and arc rolling at different angles can be automatically carried out on the section under the condition of no need of material turning by combining a programming program so as to process the finished bent section with a preset shape.
The bending machine with the bidirectional bending structure is suitable for metal, nonmetal and metal composite lines and metal materials, and is applied to metal bending forming in industries such as furniture, decoration, advertisements, mirrors, pictures, lamps, artware, automobiles, mechanical equipment hoods and the like.
Compared with the prior art, the bidirectional bending structure and the bending machine comprising the same provided by the invention have the technical improvements that: the fixed shaft and the bending shaft of the bending mechanism are switched to realize arbitrary bending processing of the section bars at different two-way angles, the problem that the section bars bent in different directions can be processed only through material turning in the prior art is solved, the processing cost is saved, and the production efficiency is greatly improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic structural diagram according to a first embodiment of the present invention;
FIG. 2 is a schematic structural diagram according to a second embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a third embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a fourth embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a fifth embodiment of the present invention;
fig. 6 is a schematic structural diagram of a sixth embodiment of the present invention.
Wherein:
11-a first shaft arm, 12-a second shaft arm, 13-a sliding block, 14-a limiting fixing block, 15-a limiting shaft and 16-a positioning block;
2-rotating mechanism, 20-sliding rail base, 21-first base, 22-second sliding base, 23-third clamping base, 24-rotating motor, 25-push-pull motor, 26-transmission rod, 27-bearing, 201-third sliding rail, 202-fourth sliding rail, 211-first sliding rail, 212-second sliding rail, 213-lead screw and 231-sliding groove;
3-a limiting mechanism, 4-a lifting device and 5-a platform hole;
61-a rotating shaft arm, 62-a compacting cylinder, 71-a conveying track, 72-a material conveying mechanism, 73-a feeding motor, 74-a compacting cylinder and 75-a compacting block.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, 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 illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "forward", "reverse", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Example one
Referring to fig. 1, a bidirectional bending structure is disclosed in an embodiment of the present invention, which includes a bending mechanism 1 and a rotating mechanism 2, the rotating mechanism 2 is positioned at the bottom of the bending mechanism 1, the rotating mechanism and the bending mechanism are connected in a sliding way through a sliding block 13 arranged at the bottom of the bending mechanism 1, the two sides of the bending mechanism 1 are also provided with a limiting mechanism 3 for limiting the sliding of the bending mechanism, when the rotating mechanism 2 slides left and right, the position of the bending mechanism 1 is kept unchanged, the bending mechanism 1 further comprises a first shaft arm 11, a second shaft arm 12 and a limiting fixing block 14, the first shaft arm 11 and the second shaft arm 12 are detachably fixed on a limit fixing block 14 in parallel, the sliding block 13 is fixed at the middle position of the bottom of the limiting fixing block 14, the end parts of the first shaft arm 11 and the second shaft arm 12 are also provided with a limiting shaft 15 meshed with a workpiece to be bent, the limiting shaft is I-shaped, and the shaft surface is provided with two groove parts to limit a section bar; the rotating mechanism comprises a first base 21, a second sliding seat 22, a third clamping seat 23, a rotating motor 24 and a push-pull motor 25, wherein the rotating motor 24 is fixed at the bottom of the second sliding seat 22 and is connected to the bottom of the third clamping seat 23 through a transmission rod 26 penetrating through the second sliding seat 22, so that the third clamping seat 23 can rotate under the driving of the rotating motor 24; the first base 21 is provided with a first slide rail 211 and a second slide rail 212, and the second slide 22 is slidably connected to the first slide rail 211 and the second slide rail 212 and driven by the push-pull motor 25 and the lead screw 213, so that the second slide 22 can reciprocate under the driving of the push-pull motor 25, and further switch the rotation axis; the top of the third clamping seat 23 is provided with a sliding groove along the sliding direction of the second sliding seat 22, and the sliding block 13 is connected in the sliding groove in a sliding manner; a bearing 27 is connected between the second carriage 22 and the transmission rod 26.
When the axis of the rotating mechanism 2 slides to the axis position of the first shaft arm 11, the sliding block 13 can be driven to rotate around the axis of the first shaft arm 11, and at the moment, the second shaft arm 12 rotates around the first shaft arm 11 to realize positive bending; when the axis of the rotating mechanism 2 slides to the axis position of the second shaft arm 12, the sliding block 13 can be driven to rotate around the axis of the second shaft arm 12, and at the moment, the first shaft arm 11 rotates around the second shaft arm 12 to realize reverse bending.
Example two
Referring to fig. 2, a second embodiment of the present invention discloses a bidirectional bending structure, which includes a rotating mechanism 2 composed of a first base 21, a second sliding seat 22 and a third clamping seat 23, and a bending mechanism 1 slidably connected to the rotating mechanism 2;
the second slide 22 is slidably connected to the first base 21, specifically, two parallel slide rails are arranged on the top surface of the first base 21 along the left-right direction of the bending structure, the two parallel slide rails are a first slide rail 211 and a second slide rail 212, and the second slide 22 is slidably connected to the first slide rail 211 and the second slide rail 212, so that the whole bending mechanism 1 can move left and right;
the third clamping seat 23 is rotatably connected to the second sliding seat 22, specifically, a circular groove is formed at the top of the second sliding seat 222, the third clamping seat 23 is rotatably connected to the circular groove, and the bottom of the third clamping seat is drivingly connected to a rotating motor (not shown in the figure), which is fixed to the circular groove of the second sliding seat 22;
the top of the third clamping seat 23 is provided with a sliding chute 231 arranged along a direction parallel to the sliding rail, the sliding chute 231 is connected with a bending mechanism 1 in a sliding manner, and the bending mechanism 1 comprises a sliding block 13 connected with the sliding chute 231 in a sliding manner, and a first shaft arm 11 and a second shaft arm 12 fixed on the top surface of the sliding block 13; the bending mechanism 1 can slide left and right in the horizontal direction in the sliding groove 231 to switch the rotating axis of the bending mechanism 1, specifically, the slider 13 slides in the sliding groove 231, in a case that when the axial direction of the first shaft arm 11 slides to the center of the third clamping seat 23, the slider 13 rotates along with the rotation of the third clamping seat 23, at this time, the first shaft arm 11 is the rotating axis, and the second shaft arm 12 rotates around the first shaft arm 11, in a case that when the axial direction of the second shaft arm 12 slides to the center of the third clamping seat 23, the slider 13 also rotates along with the rotation of the third clamping seat 23, at this time, the second shaft arm 12 is the rotating axis, and the first shaft arm 11 rotates around the second shaft arm 12, so that the purpose of bidirectional rotating and bending of the structure is achieved;
in order to achieve the above purpose, the bending mechanism of the present embodiment is further provided with a limiting mechanism 3 (not shown in the figure) in the sliding direction of the slider 13; specifically, the limiting fixed blocks 14 are fixedly connected to the middle parts of the first shaft arm 11 and the second shaft arm 12, and the limiting mechanism 3 limits the limiting fixed blocks 14 from two sides transversely, so that when the second sliding seat 22 reciprocates transversely along the first sliding rail 211 and the second sliding rail 212, the bending mechanism 1 cannot move along with the second sliding seat, the sliding connection of the sliding block 13 in the sliding groove of the third sliding seat 23 is realized, but the limiting mechanism 3 cannot influence the rotation of the limiting fixed blocks 14 around the first shaft arm 11 or the second shaft arm 12;
the structure form of the limit stop which can limit the bending mechanism to move in the sliding direction of the sliding block 13 has multiple forms, the embodiment only provides a more conventional structure mode, and other similar structures are not repeated.
The bending structure of the present embodiment further includes a push-pull motor (not shown) for driving the second slider 22 to reciprocate along the first slide rail 211 and the second slide rail 212.
In order to further optimize the above embodiment, the bottom of the first base 21 of the present embodiment is further provided with two lifting devices 4 for enabling the whole bending structure to move up and down.
In order to further optimize the above embodiment, the bending parts of the first shaft arm 11 and the second shaft arm 12 of this embodiment are further detachably sleeved with a limiting shaft 15, the limiting shaft 15 is i-shaped, the middle part of the limiting shaft is provided with a groove part to limit the profile, the bottom of the limiting shaft 15 is supported by a limiting fixing block 14, and the top of the limiting shaft is fixed by nuts mounted at the end parts of the first shaft arm 11 and the second shaft arm 12.
EXAMPLE III
Referring to fig. 3, a third embodiment of the present invention discloses another bidirectional bending structure, which includes a rotating mechanism 2 composed of a slide rail base 20, a first base 21, a second slide 22 and a third clamping seat 23, and a bending mechanism 1 slidably connected to the rotating mechanism 2;
the top of the slide rail base 20 of this embodiment is provided with two parallel slide rails along the front-back direction of the bending structure, which are a third slide rail 201 and a fourth slide rail 202, and the first base 21 is slidably connected to the third slide rail 201 and the fourth slide rail 202, so that the whole bending structure can move back and forth;
the second sliding seat 22 of the present embodiment is slidably connected to the first base 21, specifically, two parallel sliding rails are arranged on the top surface of the first base 21 along the left-right direction of the bending structure, which are a first sliding rail 211 and a second sliding rail 212, and the second sliding seat 22 is slidably connected to the first sliding rail 211 and the second sliding rail 212, so that the whole bending structure can move left and right;
the third clamping seat 23 of the present embodiment is rotatably connected to the second sliding seat 22, specifically, a circular groove is formed at the top of the second sliding seat 22, the third clamping seat 23 is rotatably connected to the circular groove, and the bottom is drivingly connected to a rotating motor, which is fixed to the circular groove of the second sliding seat 22;
the top of the third clamping seat 23 of this embodiment is provided with a sliding slot 231 arranged along a direction parallel to the sliding rail, the sliding slot 231 is connected with a bending mechanism in a sliding manner, the bending mechanism includes a sliding block 13 connected with the sliding slot 231 in a sliding manner, and a first shaft arm 11 and a second shaft arm 12 fixed on the top surface of the sliding block 13; the bending mechanism can slide left and right in the sliding groove 231 in the horizontal direction to switch the rotating axis of the bending mechanism, specifically, the slider 13 slides in the sliding groove 231, in the first case, when the axial direction of the first shaft arm 11 slides to the center of the third clamping seat 23, the slider 13 rotates along with the rotation of the third clamping seat 23, at this time, the first shaft arm 11 is the rotating axis, and the second shaft arm 12 rotates around the first shaft arm 11, in the second case, when the axial direction of the second shaft arm 12 slides to the center of the third clamping seat 23, the slider 13 also rotates along with the rotation of the third clamping seat 23, at this time, the second shaft arm 12 is the rotating axis, and the first shaft arm 11 rotates around the second shaft arm 12, so that the purpose of bidirectional rotation and bending of the structure is achieved;
in order to achieve the above purpose, the bending mechanism of the present embodiment is further provided with a limiting mechanism 3 (not shown in the figure) in the sliding direction of the slider 13; specifically, the limiting fixed blocks 14 are fixedly connected to the middle parts of the first shaft arm 11 and the second shaft arm 12, and the limiting mechanism 3 limits the limiting fixed blocks 14 from two sides transversely, so that when the second sliding seat 22 reciprocates transversely along the first sliding rail 211 and the second sliding rail 212, the bending mechanism 1 cannot move along with the second sliding seat, the sliding connection of the sliding block 13 in the sliding groove of the third sliding seat 23 is realized, but the limiting mechanism 3 cannot influence the rotation of the limiting fixed blocks 14 around the first shaft arm 11 or the second shaft arm 12;
the structure form of the limit stop which can limit the bending mechanism to move in the sliding direction of the sliding block 13 has multiple forms, the embodiment only provides a more conventional structure mode, and other similar structures are not repeated.
The bending structure of the present embodiment further includes a push-pull motor (not shown) for driving the second slider 22 to reciprocate along the first slide rail 211 and the second slide rail 212, and a second linear motor (not shown) for driving the first base 21 to reciprocate along the third slide rail 201 and the fourth slide rail 202.
In order to further optimize the above embodiment, the bottom of the first base 21 of the present embodiment is further provided with four lifting devices 4 for enabling the whole bending structure to move up and down.
In order to further optimize the above embodiment, the bending parts of the first shaft arm 11 and the second shaft arm 12 of the present embodiment are further detachably sleeved with a limiting shaft 15, the limiting shaft 15 is in a string shape, and the middle part of the limiting shaft is provided with a plurality of groove parts, so as to limit the profile; the bottom of the limiting shaft 15 is supported by a limiting fixing block 14, and the top of the limiting shaft is fixed by a positioning block 16 arranged at the end parts of the first shaft arm 11 and the second shaft arm 12; the limiting shaft 15 plays a role in containing the transverse bent edge, and ensures that the transverse edge of the section bar cannot be deformed due to bending of the main body part of the metal strip in the machining process.
Example four
Referring to fig. 4, a bending machine is disclosed in the fourth embodiment of the present invention, including a bidirectional bending structure in the first embodiment, further including a bending platform and a material tightening device;
the bending platform of the embodiment has the specific structure that a platform groove for accommodating the rotation of the bending mechanism is formed in the top of the bending platform, a platform hole 5 is formed in the platform groove, the rotating mechanism in the bidirectional bending structure is positioned at the bottom of the bending platform, and the bending mechanism penetrates through and extends out of the platform hole 5; on the bending platform, a limiting mechanism 3 is fixed on the inner sides of a first shaft arm 11 and a second shaft arm 12, four U-shaped clamping grooves are formed in the limiting mechanism 3, when the bending platform is in an initial position, the first shaft arm 11 and the second shaft arm 12 are located in two middle U-shaped clamping grooves, the two U-shaped clamping grooves on two sides can accommodate the first shaft arm 11 or the second shaft arm 12 after rotation, so that the rotation angle can reach 180 degrees, the first shaft arm 11 and the second shaft arm 12 are fixed on two sides of the first shaft arm 11 and the second shaft arm 12, the first shaft arm 11 and the second shaft arm 12 cannot move along with the U-shaped clamping grooves when a second sliding seat 22 reciprocates along a first sliding rail 211 and a second sliding rail 212, and a sliding block 13 connected with the first shaft arm 11 and the second shaft arm 12 is connected in a sliding groove of a third sliding seat 23 in a sliding manner;
the material tightening device of this embodiment is fixed on the bending platform through bolts, and is located on one side of the first shaft arm 11 and the second shaft arm 12, the side is the side of the material feeding direction, and the material tightening device is provided with a plurality of groups of rotating shaft arms 61 with the same structures as those of the first shaft arm 11 and the second shaft arm 12; the material tightening device is used for fixing materials to be bent, so that the rear end of the material cannot deform when the material is bent by the bending structure.
In order to further optimize the above embodiment, the bending machine of this embodiment further includes a numerical control unit, which is electrically connected to the bidirectional bending structure and the material tightening device, respectively (the circuit related to the electrical connection and the pipeline related to the cylinder connection are not shown in the drawings); the numerical control unit is preferably a PLC controller, a motion controller and a singlechip PCB programming circuit board; the numerical control unit controls the driving motors in the structures, drives the motors to run by numerical control pulse signals, adjusts the height, the angle and the position of the bending mechanism, and further controls the bending direction and the bending angle, wherein each driving motor in the embodiment is a stepping motor or a servo motor.
EXAMPLE five
Referring to fig. 5, a fifth embodiment of the present invention discloses a bending machine, including a bidirectional bending structure in the second embodiment, further including a bending platform, a material tightening device, and a material feeding device;
the bending platform of the embodiment has the specific structure that a platform hole 5 is formed in the top of the bending platform, a rotating mechanism in a bidirectional bending structure is located at the bottom of the bending platform, and the bending mechanism penetrates through and extends out of the platform hole 5; on the bending platform, the limiting mechanisms 3 are fixed on two sides of the limiting fixed block 14, and the limiting mechanisms 3 fix the first shaft arm 11 and the second shaft arm 12 from two sides of the limiting fixed block 14, so that the first shaft arm 11 and the second shaft arm 12 cannot move along with the second slide carriage 22 when the second slide carriage 22 reciprocates along the first slide rail 211 and the second slide rail 212, and the sliding block 13 connected with the first shaft arm 11 and the second shaft arm 12 is slidably connected in a sliding groove of the third slide carriage 23;
the material tightening device of this embodiment is fixed on the bending platform through bolts, and is located on one side of the first shaft arm 11 and the second shaft arm 12, the side is the side of the material feeding direction, and the material tightening device is provided with at least one group of rotating shaft arms 61 with structures consistent with those of the limiting shafts 15 on the first shaft arm 11 and the second shaft arm 12; the material tightening device is used for fixing the material to be bent, so that the rear end of the material cannot deform when the material is bent by the bending structure;
the feeding device of the embodiment has a specific structure that the feeding device comprises a conveying rail 71 and a material conveying mechanism 72 connected to the conveying rail 71 in a sliding manner, the material conveying mechanism 72 is driven by a feeding motor 73, the material conveying mechanism 72 comprises a horizontally arranged pressing cylinder 74 and a pressing block 75, the pressing cylinder 74 clamps materials on the pressing block 75, and the materials are driven by the feeding motor 73 to move straight to a bending platform along the conveying rail 71;
in order to further optimize the above embodiment, the bending machine of this embodiment further includes a numerical control unit, which is electrically connected to the bidirectional bending structure, the material tightening device, and the material feeding device, respectively (the circuit related to the electrical connection and the pipeline connected to the cylinder are not shown in the drawings); the numerical control unit is preferably a PLC controller, a motion controller and a singlechip PCB programming circuit board; the numerical control unit controls the driving motors in the structures, drives the motors to run by numerical control pulse signals, adjusts the height, the angle and the position of the bending mechanism, and further controls the bending direction and the bending angle, wherein each driving motor in the embodiment is a stepping motor or a servo motor.
In order to further optimize the above embodiment, lockable movable casters are arranged at four corner positions at the bottom of the bending platform of the bending machine.
EXAMPLE six
Referring to fig. 6, a sixth embodiment of the present invention discloses another bending machine, including a bidirectional bending structure in the third embodiment, further including a bending platform, a material tightening device, and a material feeding device;
the top of the bending platform of the embodiment is provided with a platform hole 5, a rotating mechanism in a bidirectional bending structure is positioned at the bottom of the bending platform, and the bending mechanism penetrates through and extends out of the platform hole 5; on the bending platform, the limiting mechanisms 3 are fixed on two sides of the limiting fixed block 14, and the limiting mechanisms 3 fix the first shaft arm 11 and the second shaft arm 12 from two sides of the limiting fixed block 14, so that the first shaft arm 11 and the second shaft arm 12 cannot move along with the second slide carriage 22 when the second slide carriage 22 reciprocates along the first slide rail 211 and the second slide rail 212, and the sliding block 13 connected with the first shaft arm 11 and the second shaft arm 12 is slidably connected in a sliding groove of the third slide carriage 23;
the material tightening device of the embodiment is fixed on the bending platform through bolts, is positioned on one side of the first shaft arm 11 and the second shaft arm 12, and is one side of the material feeding direction, and is provided with at least one group of pressing cylinders 62; the material tightening device is used for fixing materials to be bent, so that the rear end of the material cannot deform when the material is bent by the bending structure.
The feeding device of the embodiment has a specific structure that the feeding device comprises a conveying rail 71 and a material conveying mechanism 72 slidably connected to the conveying rail 71, the material conveying mechanism 72 is driven by a feeding motor 73, the material conveying mechanism 72 comprises a pressing cylinder 74 and a pressing block 75 which are arranged in the vertical direction, the pressing cylinder 74 clamps materials on the pressing block 75, and the materials are driven by the feeding motor 73 to move straight to the bending platform along the conveying rail 71.
In order to further optimize the above embodiment, the bending machine further includes a numerical control unit, which is electrically connected to the bidirectional bending structure, the material tightening device, and the material feeding device, respectively (the circuit related to the electrical connection and the pipeline related to the cylinder connection are not shown in the drawings); the numerical control unit is preferably a PLC controller, a motion controller and a singlechip PCB programming circuit board.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. A bidirectional bending structure comprises a first shaft arm (11) and a second shaft arm (12), and is characterized by further comprising:
the sliding block (13) is positioned at the bottom of the first shaft arm (11) and the second shaft arm (12) and fixedly connected with the first shaft arm (11) and the second shaft arm (12);
the rotating mechanism (2) is connected to the bottom of the sliding block (13) in a sliding manner;
the limiting mechanisms (3) are arranged on the two sides of the sliding block (13) or the first shaft arm (11) and the second shaft arm (12);
when the axis of the rotating mechanism (2) slides to the axis position of the first shaft arm (11), the sliding block (13) can be driven to rotate around the axis of the first shaft arm (11), and at the moment, the second shaft arm (12) rotates around the first shaft arm (11) to realize forward bending;
when the axis of the rotating mechanism (2) slides to the axis position of the second shaft arm (12), the sliding block (13) can be driven to rotate around the axis of the second shaft arm (12), and at the moment, the first shaft arm (11) rotates around the second shaft arm (12) to realize reverse bending.
2. A bidirectional bending structure according to claim 1, wherein the first shaft arm (11) and the second shaft arm (12) are detachably fixed on the slider (13), a limiting shaft (15) is arranged at an end of the first shaft arm (11) and/or the second shaft arm (12), the limiting shaft (15) is i-shaped or cross-shaped, and a groove portion is formed in a shaft surface to limit the position.
3. A bidirectional bending structure according to claim 1, wherein the rotating mechanism (2) includes a first base (21), a second slide (22), a third clamping seat (23), a rotating motor (24) and a push-pull motor (25), the third clamping seat (23) is rotatably connected to the top of the second slide (22) and is driven by the rotating motor (24), the second slide (22) is slidably connected to the first base (21) and is driven by the push-pull motor (25), the top of the third clamping seat (23) is provided with a sliding slot (231) along the sliding direction of the second slide (22), and the sliding block (13) is slidably connected in the sliding slot (231).
4. A bidirectional bending structure according to claim 3, wherein a slide rail base (20) is further slidably connected to the bottom of the first base (21), and a sliding direction of the first base (21) on the slide rail base (20) is perpendicular to a sliding direction of the second slide (22) on the first base (21).
5. A bidirectional bending structure according to claim 3, wherein the bottom of the rotating mechanism (2) is further provided with at least one lifting device (4).
6. A bidirectional bending structure according to claim 1, wherein a limit fixing block (14) is further disposed above the sliding block (13), an end surface of the limit fixing block (14) is an arc, and an outer edge of the arc is adjacent to the limit mechanism (3).
7. A bidirectional bending structure according to claim 1, wherein the limiting mechanism (3) is a limiting plate with four U-shaped slots, and the first shaft arm (11) and the second shaft arm (12) are respectively located in the middle two U-shaped slots.
8. A bending machine comprises a bending platform and a material tightening device, and is characterized by further comprising a bidirectional bending structure as claimed in any one of claims 1 to 7; a platform hole (5) is formed in the top of the bending platform, the rotating mechanism (2) is located at the bottom of the bending platform, the bending mechanism (1) penetrates through and extends out of the platform hole (5), and the limiting mechanism (3) is fastened on the bending platform or located in the platform hole (5); the material tightening device is fixed on the bending platform, is positioned on the material feeding side of the bending mechanism (1), and is provided with a plurality of groups of rotating shaft arms (61) or pressing cylinders (62) which are arranged in parallel.
9. The bending machine according to claim 8, further comprising a feeding device, wherein said feeding device comprises a conveying rail (71) and a material conveying mechanism (72) slidably connected to said conveying rail (71), said material conveying mechanism (72) is driven by a feeding motor (73), and said material conveying mechanism (72) is provided with a pressing cylinder (74) and a pressing block (75).
10. The bending machine according to claim 9, further comprising a numerical control unit, wherein the numerical control unit is electrically connected to the bidirectional bending structure, the material tightening device and the material feeding device respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110957763.5A CN113617904A (en) | 2021-08-20 | 2021-08-20 | Bidirectional bending structure and bending machine comprising same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110957763.5A CN113617904A (en) | 2021-08-20 | 2021-08-20 | Bidirectional bending structure and bending machine comprising same |
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| CN113617904A true CN113617904A (en) | 2021-11-09 |
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| CN202110957763.5A Pending CN113617904A (en) | 2021-08-20 | 2021-08-20 | Bidirectional bending structure and bending machine comprising same |
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| CN114570802A (en) * | 2022-04-29 | 2022-06-03 | 潍坊东鑫智能科技有限公司 | Bidirectional rounding machine |
| CN115193960A (en) * | 2022-09-15 | 2022-10-18 | 潍坊晟华新能源科技有限公司 | Automatic bending and forming machine for circuit iron accessories |
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| CN103111501A (en) * | 2013-02-26 | 2013-05-22 | 中山市奥翔机械有限公司 | Pipe bending mechanism, pipe bender and pipe bending method |
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