CN113523043B - Workpiece bending apparatus and workpiece bending method - Google Patents
Workpiece bending apparatus and workpiece bending method Download PDFInfo
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- CN113523043B CN113523043B CN202110817864.2A CN202110817864A CN113523043B CN 113523043 B CN113523043 B CN 113523043B CN 202110817864 A CN202110817864 A CN 202110817864A CN 113523043 B CN113523043 B CN 113523043B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/06—Bending rods, profiles, or tubes in press brakes or between rams and anvils or abutments; Pliers with forming dies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/16—Auxiliary equipment, e.g. for heating or cooling of bends
Abstract
The invention discloses a workpiece bending device and a workpiece bending method, wherein the device comprises: the length-adjustable abutting assembly is detachably connected with an abutting block at one end part, an arc-shaped side face is formed on one side of the abutting block, which is far away from the abutting assembly, and the arc-shaped side face is provided with a first end and a second end which are opposite to each other in the arc forming direction of the arc-shaped side face; the pull rod is hinged to the other end of the abutting component, a lantern ring is connected to the pull rod, and the lantern ring is provided with an inner hole aligned to the first end of the arc-shaped side face; the pressure-bearing rod and the pull rod are respectively positioned at two opposite sides of the abutting assembly, and the pressure-bearing rod is connected with a pressing piece aligned to the second end of the arc-shaped side surface; and a supporting component with adjustable length, the middle part of the supporting component is connected with the propping component, the two ends of the connecting rod are respectively hinged with the pull rod and the pressure-bearing rod. The invention solves the problems that when workpieces such as pipes or flat irons are manually knocked or bent into elbows during construction, the bending angle is not easy to control, and time and labor are wasted.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a workpiece bending device and a workpiece bending method.
Background
In the construction of electromechanical installation engineering, for example, the connecting positions of small pipelines such as electrical pipelines and the like and the horizontal and longitudinal directions of grounding flat steels of a transformer distribution room are often required to be bent by 90 degrees for transition. In the traditional method, the pipe or the straight flat steel is usually manufactured into the elbow by means of manual beating, bending and the like in field bending, so that the defects of cracking and the like are easy to occur, the bending angle is difficult to control, and the time and the labor are wasted; or the finished elbow is directly purchased, the price is higher, and the economic benefit is low.
Disclosure of Invention
In order to overcome the defects in the prior art, a workpiece bending device and a workpiece bending method are provided so as to solve the problems that when workpieces such as pipes or flat irons are knocked or bent into elbows manually during construction, the bending angle is not easy to control, and time and labor are wasted.
To achieve the above object, there is provided a workpiece bending apparatus comprising:
the length-adjustable butting component is characterized in that one end part of the butting component is detachably connected with a butting block, an arc-shaped side face is formed on one side, away from the butting component, of the butting block, the radian of the arc-shaped side face is matched with the bending radian of a workpiece, and the arc-shaped side face is provided with a first end and a second end which are opposite to each other in the arc forming direction of the arc-shaped side face;
the pull rod is hinged to the other end of the abutting component, a lantern ring is connected to the pull rod, the lantern ring is provided with an inner hole for one end of the workpiece to penetrate through, and the inner hole is aligned to the first end of the arc-shaped side face;
the pressure-bearing rod is hinged to the other end of the abutting assembly, the pressure-bearing rod and the pull rod are respectively positioned on two opposite sides of the abutting assembly, the pressure-bearing rod is connected with a pressing piece which is used for pressing and abutting against one side of the workpiece facing the arc-shaped side face, and the pressing piece is aligned to the second end of the arc-shaped side face; and
the supporting component is adjustable in length, the middle of the supporting component is connected to the abutting component, and two ends of the supporting component are respectively hinged to the pull rod and the pressure bearing rod.
Furthermore, the arc side is formed with the first spacing logical groove that supplies the work piece to inlay and establish, first spacing logical groove is followed the arcning direction of arc side sets up, the one end in first spacing logical groove aims at the hole, the other end in first spacing logical groove aims at press and hold the piece.
Furthermore, a second limiting through groove for embedding the workpiece is formed in one side, far away from the pressure bearing rod, of the pressure holding piece, and one end of the second limiting through groove is aligned to the other end of the first limiting through groove.
Furthermore, the pressing piece is a roller wheel, the roller wheel is rotatably installed at the end of the bearing rod, a second limiting through groove is formed in the circumferential surface of the roller wheel, a circle of the second limiting through groove is formed in the circumferential direction of the roller wheel, the groove wall of the second limiting through groove is arc-shaped, and the radian of the groove wall of the second limiting through groove is matched with the radian of the outer wall of the tubular workpiece.
Further, the abutting assembly comprises:
the pull rod and the pressure-bearing rod are respectively hinged to two opposite sides of the first sleeve, and the first sleeve is provided with a first lock hole;
the first end of the first core bar is movably inserted into the first sleeve, the second end of the first core bar extends to the outside of the first sleeve and is detachably connected to the ejector block, the first core bar is provided with a plurality of second locking holes, and the second locking holes are arranged at intervals along the length direction of the first core bar; and
the first lock pin is detachably inserted in the first lock hole and the second lock hole aligned with the first lock hole.
Further, the support assembly includes:
the middle part of the second sleeve is fixedly connected with the first sleeve, the second sleeve and the first sleeve are arranged at an angle, and both ends of the second sleeve are respectively provided with a third lock hole;
the first ends of the two second core bars are movably inserted into the second sleeve, the second ends of the second core bars extend to the outside of the first sleeve, a plurality of fourth locking holes are formed in the first ends of the second core bars and are arranged at intervals along the length direction of the second core bars, the second end of one second core bar is hinged to the pull rod, and the second end of the other second core bar is hinged to the pressure bearing rod; and
and the second lock pins are detachably inserted in the third lock hole and a fourth lock hole aligned with the third lock hole.
Further, still include the cushion cap, the cushion cap erects and is equipped with the stand, the stand is connected with a fixed axle, the shaft hole has been seted up to the kicking block, the shaft hole is located on the symmetry axis of arc side, the fixed axle rotationally wears to locate in the shaft hole.
Furthermore, a third limiting through groove for embedding the workpiece is formed in the bearing platform, and the third limiting through groove is perpendicular to the fixed shaft.
The invention provides a workpiece bending method, which comprises the following steps:
placing a workpiece on a working surface;
providing a workpiece bending device, and adjusting the lengths of the abutting assembly and the supporting assembly according to the bending radian of the workpiece, so that the inner side surface of the inner hole of the sleeve ring, which is close to one side of the pull rod, is communicated with the arc-shaped side surface of the ejector block and the side surface of the pressing block, which is far away from one side of the pressure-bearing rod, to form an arc-shaped plastic surface adaptive to the bending radian of the workpiece;
the first end of a workpiece is arranged in a sleeve ring of the workpiece bending device in a penetrating mode, so that the arc-shaped side face of a top block of the workpiece bending device is pressed against one side, far away from the working face, of the workpiece, and a pressing and holding block is aligned to one side, far away from the working face, of the other end of the workpiece;
and turning the other end of the abutting assembly towards the other end of the workpiece by taking the ejecting block as a fulcrum, so that the pressing and holding block is pressed against one side of the other end of the workpiece, which is far away from the working surface, so that one side of the workpiece, which is far away from the working surface, is attached to the arc-shaped molding surface.
The workpiece bending device has the beneficial effects that the force arm is increased through the lever principle, and compared with the traditional manufacturing means of manually beating, bending and the like, the workpiece bending device reduces the labor intensity of workers and improves the manufacturing efficiency of elbow workpieces. The workpiece bending device is convenient to carry and has no special requirement on the working environment. On the other hand, through the kicking block of the arc side that has different radians and mediation support subassembly and supporting component in order to form the arc molding face of different radians, and then the crooked of the different radians of rapid tooling work piece, improve efficiency of construction and construction quality.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
fig. 1 is a schematic structural view of a workpiece bending apparatus according to a first embodiment of the present invention.
Fig. 2 to 3 are schematic diagrams illustrating steps of a workpiece bending apparatus according to a first embodiment of the present invention to bend a workpiece on a working surface.
Fig. 4 to 5 are schematic views illustrating steps of bending a workpiece on a stage by the workpiece bending apparatus according to the first embodiment of the present invention.
Fig. 6 is a schematic structural view of a workpiece bending apparatus according to a second embodiment of the present invention.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
First embodiment
Referring to fig. 1 to 5, the present invention provides a workpiece bending apparatus including: the device comprises a propping assembly 1, a pull rod 2, a pressure bearing rod 3 and a supporting assembly 4.
In the present embodiment, the length of the propping assembly 1 is adjustable. One end of the abutting component 1 is detachably connected with an abutting block 11. The side of the top block 11 far away from the resisting component 1 is formed with an arc side face. The middle part of the arc-shaped side surface is protruded to form an arc shape. The arc of the arc-shaped side surface is adapted to the curvature of the workpiece 6. The arcuate side of the top block 11 has opposite first and second ends in the arcing direction of the arcuate side. The arc center of the arc-shaped side surface is positioned on one side of the arc-shaped side surface facing the abutting component, namely the inner arc surface of the arc-shaped side surface faces the abutting component.
The pull rod 2 is hinged at the other end of the propping assembly 1. A collar 21 is attached to the pull rod 2. The collar 21 has an inner hole through which one end of the workpiece 6 is inserted. The inner bore of the collar 21 is aligned with the first end of the arcuate side.
The pressure bearing rod 3 is hinged at the other end of the propping component 1. The pressure bearing rod 3 and the pull rod 2 are respectively positioned at two opposite sides of the abutting component 1. The pressure-bearing rod 3 is connected with a pressure-holding piece 31. The pressure holding member 31 is used to press against the side of the workpiece 6 facing the arc-shaped side surface. In the process of bending the workpiece, the pressing piece and the working surface A are respectively pressed against two opposite sides of the workpiece. The holding member 31 is aligned with the second end of the arc-shaped side surface.
In this embodiment, the support assembly is adjustable in length. The middle part of the supporting component 4 is connected with the propping component 1. Two ends of the supporting component 4 are respectively hinged with the pull rod 2 and the pressure-bearing rod 3.
After the lengths of the abutting assembly and the supporting assembly are adjusted, the inner side surface of one side, close to the pull rod 2, of the inner hole of the lantern ring 21 is communicated with the arc-shaped side surface of the ejecting block 11 and the side surface of one side, far away from the pressure bearing rod 3, of the pressing block to form an arc-shaped plastic surface adaptive to the bending radian of the workpiece 6. One side of the workpiece is attached to the arc-shaped plastic surface manually, so that the workpiece is bent into an elbow with a preset radian.
The workpiece bending device is suitable for bending workpieces such as pipelines and pipes by using flat iron.
According to the workpiece bending device, the force arm is increased through the lever principle, and compared with the traditional manufacturing means of manually beating, bending and the like, the labor intensity of workers is reduced, and the manufacturing efficiency of elbow workpieces is improved. The workpiece bending device is convenient to carry and has no special requirement on the working environment. On the other hand, through the kicking block of the arc side that has different radians and mediation support subassembly and supporting component in order to form the arc molding face of different radians, and then the crooked of the different radians of rapid tooling work piece, improve efficiency of construction and construction quality.
For the area needing to adopt the bend flat steel to construct in the building electromechanical installation project, the workpiece bending device of the invention is matched with the area before the manufacture to heat the flat steel bending part, the workpiece bending device of the invention can manufacture the common flat steel into the 90-degree bend flat steel, the product quality is stable and reliable, and the occurrence probability of the quality problems of poor product stability, easy cracking of the bent part and the like caused by the traditional manufacturing method is reduced.
For the areas where small-sized bent pipes need to be laid in the building electromechanical installation engineering and part of the areas does not have standard bending angles, such as the reserved embedding of electrical wire pipes, the workpiece bending device can manufacture common small-sized pipelines into bent pipelines by utilizing the length adjustment of the abutting component and the supporting component, and the workpiece bending device has the advantages of multiple selectable bending angles and stable and reliable quality.
In the present embodiment, the abutting assembly 1 includes: the first sleeve, the first core rod and the first lock pin.
Specifically, the pull rod 2 and the pressure-bearing rod 3 are respectively hinged to two opposite sides of the first sleeve. The first sleeve is provided with a first lock hole. The first end of the first core rod is movably inserted into the first sleeve. The second end of the first core rod extends to the outside of the first sleeve, and the second end of the first core rod is detachably connected to the top block 11. The first core rod is provided with a plurality of second lock holes. A plurality of second lockholes are arranged at intervals along the length direction of the first core rod. The first lock pin is detachably inserted in the first lock hole and one second lock hole aligned with the first lock hole.
In a preferred embodiment, a connector 111 is connected to the top block 11. One side of the connecting head 111 far away from the top block is provided with a threaded hole. The second end of the first core rod is provided with an external thread matched with the threaded hole. The second end of the first core rod is screwed in the threaded hole of the connector 111.
In a preferred embodiment, the arc-shaped side surface of the top block 11 is formed with a first limiting through groove for embedding the workpiece 6. The first limiting through groove is arranged along the arc forming direction of the arc side face. One end of the first limiting through groove is aligned to the inner hole. The other end of the first limiting through groove is aligned to the pressing and holding piece 31.
As a preferred embodiment, a second limiting through groove for the workpiece 6 to be embedded is formed on a side of the pressing member 31 away from the pressure-bearing rod 3, and one end of the second limiting through groove is aligned with the other end of the first limiting through groove.
In the present embodiment, the pressing member 31 is a roller for bending a tubular workpiece, such as a pipe material. The roller is rotatably mounted to the end of the pressure-bearing rod 3. The periphery of gyro wheel is formed with the spacing logical groove of second. The groove is provided with a circle along the circumferential direction of the roller. The groove wall of the groove is arc-shaped. The curvature of the groove wall of the groove is adapted to the curvature of the outer wall of the tubular workpiece 6.
As a preferred embodiment, the support assembly 4 comprises: the second sleeve, two second core bars and two second lockpins.
Specifically, the middle part of the second sleeve is fixedly connected with the first sleeve. The second sleeve and the first sleeve are arranged at an angle. In this embodiment, the second sleeve is disposed perpendicular to the first sleeve. And the two ends of the second sleeve are respectively provided with a third lock hole.
The first ends of the two second core rods are movably inserted into the second sleeve. The second end of the second core bar extends to the outside of the first sleeve, and the first end of the second core bar is provided with a plurality of fourth lock holes. A plurality of fourth lockholes are arranged at intervals along the length direction of the second core rod. The second end of one second core rod is hinged to the pull rod 2, and the second end of the other second core rod is hinged to the pressure bearing rod 3. The second lock pin is detachably inserted in the third lock hole and a fourth lock hole aligned with the third lock hole.
In order to improve the construction efficiency, the workpiece bending apparatus of the present invention further includes a bearing platform 5. The bearing platform 5 is vertically provided with a vertical column 51. A fixed shaft is connected to the column 51. The top block 11 is provided with a shaft hole. The shaft hole is located the symmetry axis of arc side, and the fixed axle rotationally wears to locate in the shaft hole.
In a preferred embodiment, the platform 5 is formed with a third limiting through groove for the workpiece 6 to be embedded in. The third limiting through groove is perpendicular to the fixed shaft. When the workpiece is bent, the upper side of the workpiece is embedded in the second limiting groove of the pressing and holding piece, and the lower side of the workpiece is embedded in the third limiting through groove of the bearing platform.
When the workpiece is a pipe, the groove walls of the second limiting through groove and the third limiting through groove are arc-shaped, and the arc-shaped groove walls of the second limiting through groove and the third limiting through groove are adaptive to the radian of the outer side wall of the tubular workpiece.
Referring to fig. 2 and 3, the present invention provides a workpiece bending method including the steps of:
s1: the workpiece 6 is placed on a work surface a.
S2: the workpiece bending device is provided, and the lengths of the abutting component 1 and the supporting component 4 are adjusted according to the bending radian of the workpiece 6, so that the inner side surface of one side, close to the pull rod 2, of the inner hole of the sleeve is communicated with the arc-shaped side surface of the ejector block 11 and the side surface of one side, far away from the pressure bearing rod 3, of the pressing and holding block to form an arc-shaped molding surface adaptive to the bending radian of the workpiece 6.
S3: the first end of the workpiece 6 is arranged in the sleeve ring 21 of the workpiece 6 bending device in a penetrating mode, so that the arc-shaped side face of the top block 11 of the workpiece 6 bending device is pressed against one side, far away from the working face A, of the workpiece 6, and the pressing and holding block is aligned to one side, far away from the working face A, of the other end of the workpiece 6.
S4: and turning the other end of the abutting assembly 1 towards the other end of the workpiece 6 by taking the abutting block 11 as a fulcrum, so that the pressing block presses and abuts against one side, far away from the working surface A, of the other end of the workpiece 6, and one side, far away from the working surface A, of the workpiece 6 is attached to the arc-shaped plastic surface.
Referring to fig. 4 and 5, the present invention provides a workpiece bending method including the steps of:
s10: the workpiece 6 is placed on a work surface a.
Specifically, the workpiece is placed on a bearing platform, and the upper surface of the bearing platform is a working surface A.
S20: the workpiece bending device is provided, and the lengths of the abutting component 1 and the supporting component 4 are adjusted according to the bending radian of the workpiece 6, so that the inner side surface of one side, close to the pull rod 2, of the inner hole of the sleeve is communicated with the arc-shaped side surface of the ejector block 11 and the side surface of one side, far away from the pressure bearing rod 3, of the pressing and holding block to form an arc-shaped molding surface adaptive to the bending radian of the workpiece 6.
S30: the first end of the workpiece 6 is arranged in the sleeve ring 21 of the workpiece 6 bending device in a penetrating mode, so that the arc-shaped side face of the top block 11 of the workpiece 6 bending device is pressed against one side, far away from the working face A, of the workpiece 6, and the pressing and holding block is aligned to one side, far away from the working face A, of the other end of the workpiece 6.
Specifically, after the length of the abutting assembly 1 and the supporting assembly 4 is adjusted, one end of the workpiece is arranged in the sleeve in a penetrating manner, the lower side of the other end of the workpiece is embedded in the third limiting through groove, and the upper side of the middle part of the workpiece is embedded in the first limiting through groove, so that the arc-shaped side surface of the ejecting block 11 is pressed against one side of the workpiece 6, away from the working surface a, and the pressing block is aligned to one side of the other end of the workpiece 6, away from the working surface a (the upper side of the other end of the workpiece).
S40: and the other end of the abutting assembly 1 is turned towards the other end of the workpiece 6 by taking the abutting block 11 as a fulcrum, so that the pressing and holding block presses one side of the other end of the workpiece 6, which is far away from the working surface A, to enable one side of the workpiece 6, which is far away from the working surface A, to be attached to the arc-shaped plastic surface.
The upside of the middle part of the workpiece is embedded in the first limiting through groove, the pressing and holding block is aligned to the upside of the other end of the workpiece, the other end of the abutting component 1 is overturned towards the other end of the workpiece 6 by taking the ejecting block 11 as a fulcrum, and the upside of the other end of the workpiece is embedded in the second limiting through groove of the pressing and holding block, so that one side, far away from the working face A, of the workpiece 6 is attached to the arc-shaped molding face.
And bending the workpiece for forming after repeated bending for a plurality of times.
Second embodiment
Referring to fig. 6, the present invention provides a workpiece bending apparatus including: the device comprises a propping assembly 1, a pull rod 2, a pressure bearing rod 3 and a supporting assembly 4.
In the present embodiment, the length of the propping assembly 1 is adjustable. One end of the abutting component 1 is detachably connected with an abutting block 11. An arc-shaped side surface is formed on one side of the top block 11 far away from the propping assembly 1. The middle part of the arc-shaped side surface is protruded to form an arc shape. The arc of the arc-shaped side surface is adapted to the curvature of the workpiece 6. The arcuate side of the top block 11 has opposite first and second ends in the arcing direction of the arcuate side. The arc center of the arc-shaped side surface is positioned on one side of the arc-shaped side surface facing the abutting component, namely the inner arc surface of the arc-shaped side surface faces the abutting component.
The pull rod 2 is hinged at the other end of the propping assembly 1. A collar 21 is attached to the drawbar 2. The collar 21 has an inner hole through which one end of the workpiece 6 is inserted. The inner bore of the collar 21 is aligned with the first end of the arcuate side.
The bearing rod 3 is hinged at the other end of the propping component 1. The pressure bearing rod 3 and the pull rod 2 are respectively positioned at two opposite sides of the abutting component 1. The pressure-bearing rod 3 is connected with a pressure-holding piece 31. The pressure holding member 31 is used to press against the side of the workpiece 6 facing the arc-shaped side surface. In the process of bending the workpiece, the pressing piece and the working surface A are respectively pressed against two opposite sides of the workpiece. The holding member 31 is aligned with the second end of the arc-shaped side surface.
In this embodiment, the support assembly is length adjustable. The middle part of the supporting component 4 is connected with the propping component 1. Two ends of the supporting component 4 are respectively hinged to the pull rod 2 and the pressure-bearing rod 3.
This embodiment differs from the first embodiment only in that: the width of the pressing and holding piece of the first limiting through groove and the width of the second limiting through groove of the top block are respectively adapted to the thickness of a plate-shaped workpiece (such as a flat iron), and the rest is not described herein.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (5)
1. A method of bending a workpiece, comprising:
placing a workpiece on a working surface;
providing a workpiece bending device, wherein the workpiece bending device comprises an abutting assembly with adjustable length, one end of the abutting assembly is detachably connected with an abutting block, an arc-shaped side face is formed on one side, away from the abutting assembly, of the abutting block, the radian of the arc-shaped side face is matched with the bending radian of a workpiece, and the arc-shaped side face is provided with a first end and a second end which are opposite to each other in the arc forming direction of the arc-shaped side face; the pull rod is hinged to the other end of the abutting component and is connected with a lantern ring, the lantern ring is provided with an inner hole for one end of the workpiece to penetrate through, and the inner hole is aligned to the first end of the arc-shaped side face; the pressure-bearing rod is hinged to the other end of the abutting assembly, the pressure-bearing rod and the pull rod are respectively positioned on two opposite sides of the abutting assembly, the pressure-bearing rod is connected with a pressing piece which is used for pressing and abutting against one side of the workpiece facing the arc-shaped side face, and the pressing piece is aligned to the second end of the arc-shaped side face; the middle part of the supporting component is connected with the abutting component, and two ends of the supporting component are respectively hinged to the pull rod and the pressure bearing rod; the bearing platform is characterized by further comprising a bearing platform, the upper surface of the bearing platform is a working surface, an upright post is vertically arranged on the bearing platform, the upright post is connected with a fixed shaft, the ejector block is provided with a shaft hole, the shaft hole is located on a symmetrical axis of the arc-shaped side surface, the fixed shaft is rotatably arranged in the shaft hole in a penetrating mode, a third limiting through groove for the workpiece to be embedded is formed in the bearing platform, and the third limiting through groove is perpendicular to the fixed shaft; the abutting assembly comprises: the pull rod and the pressure-bearing rod are respectively hinged to two opposite sides of the first sleeve, and the first sleeve is provided with a first lock hole; the first end of the first core bar is movably inserted into the first sleeve, the second end of the first core bar extends to the outside of the first sleeve and is detachably connected to the ejector block, the first core bar is provided with a plurality of second locking holes, and the second locking holes are arranged at intervals along the length direction of the first core bar; the first lock pin is detachably inserted into the first lock hole and the second lock hole aligned to the first lock hole, and the lengths of the abutting assembly and the supporting assembly are adjusted according to the bending radian of the workpiece, so that the inner side surface of the inner hole of the lantern ring, which is close to one side of the pull rod, is communicated with the arc-shaped side surface of the ejector block and the side surface of the pressing block, which is far away from one side of the pressure bearing rod, to form an arc-shaped plastic surface matched with the bending radian of the workpiece;
the first end of a workpiece is arranged in a sleeve ring of the workpiece bending device in a penetrating mode, so that the arc-shaped side face of a top block of the workpiece bending device is pressed against one side, far away from the working face, of the workpiece, and a pressing and holding block is aligned to one side, far away from the working face, of the other end of the workpiece;
and turning the other end of the abutting assembly towards the other end of the workpiece by taking the ejecting block as a fulcrum, so that the pressing and holding block is pressed against one side of the other end of the workpiece, which is far away from the working surface, so that one side of the workpiece, which is far away from the working surface, is attached to the arc-shaped molding surface.
2. The workpiece bending method according to claim 1, wherein the arc-shaped side surface is formed with a first limiting through groove for the workpiece to be embedded in, the first limiting through groove is arranged along an arc forming direction of the arc-shaped side surface, one end of the first limiting through groove is aligned with the inner hole, and the other end of the first limiting through groove is aligned with the pressing piece.
3. The workpiece bending method according to claim 2, wherein a second limiting through groove for embedding the workpiece is formed on one side of the pressing member away from the pressure-bearing rod, and one end of the second limiting through groove is aligned with the other end of the first limiting through groove.
4. The workpiece bending method according to claim 3, wherein the pressing member is a roller, the roller is rotatably mounted at an end of the pressing rod, a second limiting through groove is formed on a circumferential surface of the roller, the second limiting through groove is provided with a circle along a circumferential direction of the roller, a groove wall of the second limiting through groove is arc-shaped, and an arc degree of the groove wall of the second limiting through groove is adapted to an arc degree of an outer wall of the tubular workpiece.
5. The method of bending a workpiece according to claim 1, wherein the support assembly comprises:
the middle part of the second sleeve is fixedly connected with the first sleeve, the second sleeve and the first sleeve are arranged at an angle, and both ends of the second sleeve are respectively provided with a third lock hole;
the first ends of the two second core bars are movably inserted into the second sleeve, the second ends of the second core bars extend to the outside of the first sleeve, a plurality of fourth locking holes are formed in the first ends of the second core bars and are arranged at intervals along the length direction of the second core bars, the second end of one second core bar is hinged to the pull rod, and the second end of the other second core bar is hinged to the pressure bearing rod; and
the second lock pins are detachably inserted in the third lock hole and a fourth lock hole aligned with the third lock hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110817864.2A CN113523043B (en) | 2021-07-20 | 2021-07-20 | Workpiece bending apparatus and workpiece bending method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110817864.2A CN113523043B (en) | 2021-07-20 | 2021-07-20 | Workpiece bending apparatus and workpiece bending method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113523043A CN113523043A (en) | 2021-10-22 |
| CN113523043B true CN113523043B (en) | 2022-12-02 |
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Family Applications (1)
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| CN202110817864.2A Active CN113523043B (en) | 2021-07-20 | 2021-07-20 | Workpiece bending apparatus and workpiece bending method |
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| CN113523043A (en) | 2021-10-22 |
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