CN110899552B - Square column buckle forming equipment and method - Google Patents
Square column buckle forming equipment and method Download PDFInfo
- Publication number
- CN110899552B CN110899552B CN201911217776.8A CN201911217776A CN110899552B CN 110899552 B CN110899552 B CN 110899552B CN 201911217776 A CN201911217776 A CN 201911217776A CN 110899552 B CN110899552 B CN 110899552B
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- Prior art keywords
- bending
- frame
- shearing
- punching
- shaped steel
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Classifications
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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
- B21D53/00—Making other particular articles
- B21D53/36—Making other particular articles clips, clamps, or like fastening or attaching devices, e.g. for electric installation
-
- 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
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/001—Shaping combined with punching, e.g. stamping and perforating
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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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/16—Heating or cooling
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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
- B21D43/003—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
- 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
- B21D43/006—Feeding elongated articles, such as tubes, bars, or profiles
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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
- B21D43/08—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by rollers
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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
- B21D43/28—Associations of cutting devices therewith
- B21D43/285—Devices for handling elongated articles, e.g. bars, tubes or profiles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Press Drives And Press Lines (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
本发明涉及一种方柱扣成型设备，包括依次布置在机架上的冲孔机构、压辊送料机构、高频加热机构、剪切机构和折弯机构；所述剪切机构位于机架前侧的出料端，包括前后两面开口的剪切机架，所述剪切机架包括剪切外机架和沿上下方向滑动设置在剪切外机架内部的剪切内机架，所述剪切内机架的内部上方安装有剪切油缸，所述剪切油缸的活塞杆固定连接有切刀连接板，所述切刀连接板的底面从前至后依次固定有上切刀和压弯刀，所述上切刀的下方前侧、在剪切内机架的内部通过切刀安装座安装有下切刀，且下切刀的后侧面与上切刀的前侧面平行相切。本发明提供了一种方柱扣成型设备，其结构紧凑，占地面积小，降低工人的劳动强度，提高工作效率。
The present invention relates to a square column buckle forming device, comprising a punching mechanism, a roller feeding mechanism, a high-frequency heating mechanism, a shearing mechanism and a bending mechanism arranged in sequence on a frame; the shearing mechanism is located at the discharge end on the front side of the frame, and comprises a shearing frame with front and rear openings, the shearing frame comprises a shearing outer frame and a shearing inner frame slidably arranged inside the shearing outer frame in the up and down directions, a shearing cylinder is installed on the upper part of the inner shearing frame, a cutter connecting plate is fixedly connected to the piston rod of the shearing cylinder, an upper cutter and a bending knife are fixed to the bottom surface of the cutter connecting plate from front to back, a lower cutter is installed on the lower front side of the upper cutter and inside the inner shearing frame through a cutter mounting seat, and the rear side surface of the lower cutter is parallel and tangent to the front side surface of the upper cutter. The present invention provides a square column buckle forming device, which has a compact structure, occupies a small area, reduces the labor intensity of workers, and improves work efficiency.
Description
Technical Field
The invention relates to the technical field of building construction equipment, in particular to square column buckle forming equipment and a method thereof.
Background
The building template fastener is a device for fixing the template to pour in the template and avoiding the deformation of the template, is an indispensable component in construction, and particularly can greatly reduce the construction period by adopting a square column buckle when a square column is poured. The square column buckle is also called a square round buckle, as shown in fig. 11, and is a special custom-made matched clamp corresponding to a fixed square column template, the appearance is composed of four single-piece I-shaped steel plates with elbows at the ends, one end of each I-shaped steel plate is arranged into a bending structure, a plurality of equidistant fixing holes are formed in each I-shaped steel plate along the length direction, and wedge-shaped fixing pins penetrate through the through holes and the fixing holes to fix the limiting sleeve and the clamping plate, so that a square column template fastener convenient to install and detach is formed, and quick formwork supporting of the square column template is realized.
At present, the processing of square column buckles is carried out manually, and the processing efficiency is far from meeting the requirement of a large batch of orders. Therefore, a production line for reducing the labor intensity of workers and greatly improving the production efficiency is required to be designed.
Disclosure of Invention
In order to solve the problems, the invention provides square column buckle forming equipment which is compact in structure, small in occupied area, capable of reducing labor intensity of workers and improving working efficiency.
The invention adopts the technical scheme that: a square column buckle forming device comprises a punching mechanism, a press roll feeding mechanism, a high-frequency heating mechanism, a shearing mechanism and a bending mechanism which are sequentially arranged on a frame;
The cutting mechanism is positioned at the discharge end of the front side of the frame and comprises a cutting frame with front and rear openings, the cutting frame comprises a cutting outer frame and a cutting inner frame which is arranged in the cutting outer frame in a sliding manner along the up-down direction, a cutting oil cylinder is arranged above the interior of the cutting inner frame, a cutter connecting plate is fixedly connected with a piston rod of the cutting oil cylinder, an upper cutter and a bending cutter are sequentially fixed on the bottom surface of the cutter connecting plate from front to back, a lower cutter is arranged on the front side below the upper cutter in the cutting inner frame through a cutter mounting seat, and the rear side surface of the lower cutter is parallel and tangential with the front side surface of the upper cutter;
The bottom surface of one side of the bending cutter adjacent to the upper cutter is a plane with a set length, which is higher than the upper cutter, the rear of the plane is an upward opening groove which is communicated front and back and provided with a right-angle pressing groove and is matched with the plane to form a step-shaped opening groove, the opening groove is connected with a front side plane to form a downward pressing edge by a chamfer processing round, and the side wall of the opening groove is connected with the top surface to form a chamfer matching side wall of the chamfer processing round as a molding surface;
The bending mechanism is arranged below the rear side of the shearing machine frame and comprises a bending machine frame, the bending machine frame comprises a bending outer machine frame and a bending inner machine frame, and the bending inner machine frame comprises a bearing plate right opposite to the lower part of the opening groove of the bending knife and side plates connected to the two sides of the bearing plate and sliding in the bending outer machine frame along the up-down direction; the front end of the bending inner frame is provided with a bending cutter which is matched below the bearing plate, rotates the back-folded H-shaped steel and stretches the back-folded H-shaped steel; the bending cutter comprises a bending cutter seat and a bending cutter head arranged on the top surface of the bending cutter seat, wherein the rear side of the top surface of the bending cutter head is a downward backward inclined surface which is convenient for bending the I-shaped steel, the front side of the top surface of the bending cutter head is a bending plane which is convenient for stretching the rear side of the I-shaped steel to be folded and smoothly transits with the inclined surface, and the bending cutter head and the rear side of the bending cutter seat are processed to give way.
As a further limitation to the technical scheme, the punching mechanism comprises a punching frame, a punching oil cylinder, an upper tool and a lower tool; the upper tool is fixed on the bottom surface of the upper tool, and a punch is fixed on the lower end of the piston rod of the punching cylinder; the bottom surface of the punching frame is fixed with a lower tool through a bearing plate, the lower tool comprises an upper punching plate and a lower bearing block, a gap is reserved between the upper punching plate and the lower bearing block, the upper punching plate is used for allowing the I-shaped steel to pass through and convey forwards, the upper punching plate is fixed on the bearing plate through a connecting block, and a positioning block protruding downwards is arranged on the bottom surface of the upper punching plate; and punching holes which penetrate up and down and are arranged corresponding to the punches are formed in the upper punching plate, the lower bearing block and the bearing plate.
As a further limitation to the technical scheme, the top surface of the bearing plate and the outer side of the upper tool are fixed with upright posts, and the upright posts penetrate through sleeves preset in the upper connecting plate; the lower bearing blocks are clamped through positioning strips on the front side and the rear side and correspond to the position right below the upper punching plate.
As a further limitation to the technical scheme, the press roll feeding mechanism comprises a feeding frame, the front surface and the rear surface of the feeding frame are provided with openings, a motor is arranged on the side surface of the feeding frame, the motor is connected with a speed reducer in a transmission manner, an upper press roll set and a lower press roll set are arranged in the feeding frame from top to bottom, a gap for conveying the H-shaped steel is reserved between the upper press roll set and the lower press roll set, and a driving lower press roll of the lower press roll set is connected with an output shaft of the speed reducer.
As a further limitation to the technical scheme, the lower press roll set comprises a driving lower press roll and a driven lower press roll, wherein the driving lower press roll and the driven lower press roll are positioned on the same horizontal plane, the driven lower press roll and the driving lower press roll are in gear transmission, the upper press roll set comprises two driven upper press rolls which are positioned on the same horizontal plane and are in gear transmission, and one driven upper press roll is connected with the driven lower press roll through the gear transmission; the two driven upper press rolls are arranged in mounting grooves formed in the two side walls of the feeding frame through bearings, press blocks are inserted in the mounting grooves and above the driven upper press rolls in a sliding manner, a pressing plate is fixed on the top surface of each press block, and the pressing plates are connected with piston rods of pressing oil cylinders pre-mounted on the feeding frame through connecting blocks; the installation groove is a U-shaped installation groove, the bottom surface of the pressing block is an arc surface matched with a bearing in the installation groove, the top surface of the pressing block is a plane, and a pressing plate is connected between the pressing blocks between two ends of the same driven upper pressing roller.
As a further limitation to the technical scheme, the high-frequency heating mechanism comprises a sliding mechanism, the sliding mechanism comprises two parallel sliding rails arranged on a mounting platform, one end of each sliding rail is provided with a driving motor, an output shaft of each driving motor is connected with a transmission screw rod arranged between the two sliding rails in parallel, a transmission nut is connected to the transmission screw rod in a threaded manner, the transmission nut is fixedly connected with a high-frequency heating furnace, and a heating coil for allowing a section steel to pass through is arranged on the side face of the high-frequency heating furnace.
As a further limitation to the technical scheme, a moving track is arranged on the side surface of the outer shearing rack, a ball bearing sliding in the moving track is arranged on the side surface of the inner shearing rack, a hydraulic oil cylinder is arranged on the side surface of the outer shearing rack, and a piston rod of the hydraulic oil cylinder is connected with the inner shearing rack; the inner side surface of the bending outer frame is provided with rollers which are used for being abutted against the front end surface and the rear end surface of the side plate of the bending inner frame through a rotating shaft, the side surface of the bending outer frame is provided with a lifting oil cylinder which drives the bending inner frame to move up and down, and a piston rod of the lifting oil cylinder is connected with the bending inner frame.
As a further limitation to the technical scheme, an air cylinder mounting frame is fixed in the bending inner frame, a first bending air cylinder and a second bending air cylinder which horizontally reciprocate are sequentially arranged in the air cylinder mounting frame from top to bottom, the upper part of a bending cutter holder is hinged with the first bending air cylinder, the lower part of the bending cutter holder is fixedly hinged with a turning plate with two isosceles sides through an opening groove, one bottom angle of the turning plate is hinged in the opening groove, the other bottom angle is hinged with the second bending air cylinder, and the top angle of the turning plate is connected between side plates of the bending inner frame through a rotating shaft.
As a further limitation to the technical scheme, a press roll feeding mechanism is further arranged at the feeding end of the punching mechanism.
The invention also provides a square column buckle forming method, which adopts the square column buckle forming equipment, and comprises the following steps:
A: the method comprises the steps that I-shaped steel is fed from a feeding end by a compression roller feeding mechanism and is conveyed among a punching mechanism, a compression roller feeding mechanism, a heating coil and a shearing mechanism, wherein the compression roller feeding mechanism conveys the I-shaped steel to the shearing mechanism, the heating coil and the I-shaped steel are synchronously conveyed forwards, when the heating coil is conveyed to the shearing mechanism, the heating coil is conveyed backwards to an initial position, and the shearing mechanism shears the I-shaped steel through tangential upper cutters and tangential lower cutters;
B: after the shearing process is finished, the bending mechanism translates upwards to prepare for bending, the shearing inner frame of the shearing mechanism moves downwards, the bending cutter is matched with the bearing plate to push the I-shaped steel to bend downwards by 90 degrees, the bent I-shaped steel is positioned at the rear side of the bending cutter of the bending mechanism, the first bending cylinder is retracted backwards, the second bending cylinder stretches forwards, the inclined plane and the bending plane of the bending cutter head are sequentially matched with the I-shaped steel, the I-shaped steel is pressed into the bottom surface of the bearing plate, and the I-shaped steel is bent inwards by 90 degrees again, so that the bending process is finished;
c: after the bending process is finished, the punching mechanism punches a hole on the I-shaped steel according to the design requirement, and the punching process is finished;
repeating steps A-C.
By adopting the technology, the invention has the advantages that: the method comprises the steps that I-shaped steel is conveyed forwards among a punching mechanism, a compression roller feeding mechanism, a heating coil and a shearing mechanism, and is sheared by an upper cutter and a lower cutter tangential to the shearing mechanism; after shearing is completed, the bending mechanism moves upwards in a translation mode to prepare for bending, the shearing inner frame of the shearing mechanism moves downwards, the lower cutter pushes the H-shaped steel to bend downwards under the action of gravity and the thrust of the hydraulic oil cylinder, and the bending cutter enables the H-shaped steel to bend downwards by 90 degrees; at this time, the bent I-shaped steel is positioned at the rear side of the bending cutter, and the I-shaped steel is bent again by 90 degrees under the combined action of the two bending cylinders, so that the bending of the I-shaped steel is completed. The shearing and bending structure is simple, the process is ingenious, the occupied area is small, and the operation is simple and convenient; the I-shaped steel is always in a horizontal conveying state, the middle does not need a turnover procedure, after bending, punching is performed on the I-shaped steel according to requirements, the processing of the square column buckle is completed, the working efficiency is high, the occupied area of the whole equipment is small, and the processing and the forming of the square column buckle are convenient.
According to the invention, the upper press roll set and the lower press roll set are used for conveying the I-shaped steel, so that the stability in the conveying process is improved, the driven upper press roll is pressed downwards, the gap between the driven upper press roll and the mounting groove is reduced, the pressing force of the driven upper press roll on the I-shaped steel is improved, and the conveying of the I-shaped steel is facilitated.
The high-frequency heating furnace can be conveyed forward along with the I-shaped steel, and continuously heats the bending part of the I-shaped steel, so that the bending is facilitated.
According to the invention, the compression roller feeding mechanism is additionally arranged at the feeding end of the punching mechanism, so that the feeding stability is enhanced, and the feeding problem is avoided.
Drawings
FIG. 1 is a perspective view of a square stud buckle forming apparatus of the present invention;
FIG. 2 is a perspective view of the punching mechanism of the present invention;
FIG. 3 is a perspective view of a lower tooling in the punching mechanism of the present invention;
FIG. 4 is a perspective view of a roll feed mechanism of the present invention;
FIG. 5 is a perspective view of the high-frequency heating mechanism of the present invention;
FIG. 6 is a perspective view of a shear frame of the present invention;
FIG. 7 is a schematic view of an upper cutter, a lower cutter and a press brake of the shearing mechanism of the present invention;
FIG. 8 is a front view of the press brake of the present invention;
FIG. 9 is a perspective view of the bending mechanism of the present invention;
FIG. 10 is a perspective view of the drive of the bending tool in the bending mechanism of the present invention;
fig. 11 is a perspective view of the square column buckle of the present invention.
In the figure:
1-an I-shaped steel;
2-a punching mechanism; 21-a punching frame; 22-punching oil cylinder; 221-connecting plates; 23-mounting a tool; 24-lower tooling; 241-upper punching plate; 242-lower carrier blocks; 243-connecting blocks; 244-positioning blocks; 245-positioning strips; 246-punching holes; 25-punch; 26-a carrier plate; 27-stand columns; 28-sleeve; 29-a vertical plate;
3-a press roll feeding mechanism; 31-a feeding frame; 32-an electric motor; 33-speed reducer; 34-compressing the oil cylinder; 35-a mounting groove; 36-briquetting; 37-a compacting plate;
4-a high frequency heating mechanism; 41-a high-frequency heating furnace; 42-heating coils; 43-slide rail; 44-a drive motor; 45-driving a screw rod;
5-a shearing mechanism; 51-shearing a frame; 511-shearing an outer frame; 512-shearing the inner frame; 513-moving the track; 514-ball bearings; 515-a fixed block; 52-a hydraulic cylinder; 53-a shearing cylinder; 531-a cutter connecting plate; 54, an upper cutter; 55-lower cutter; 56-bending knife; 561-pressing down the blade; 562-molding surface;
6-a bending mechanism; 61-bending a frame; 611-bending the outer frame; 612-bending the inner frame; 62-lifting oil cylinder; 63-a first bending cylinder; 64-a second bending cylinder; 65-bending tools; 651-bending the cutter head; 652-bending tool apron; 653-incline; 654-bending plane; 655-yield structure; 66-a transmission block; 67-bearing plate; 68-cylinder mounting rack; 69-crutch plate.
Detailed Description
The invention will be described in further detail with reference to the accompanying drawings and specific examples.
Example 1
As shown in fig. 1-11, a square column buckle forming device is used for processing an industrial steel 1 into a square column buckle shown in fig. 11, and comprises a punching mechanism 2, a press roll feeding mechanism 3, a high-frequency heating mechanism 4, a shearing mechanism 5 and a bending mechanism 6 which are sequentially arranged on a frame.
As shown in fig. 2-3, the punching mechanism 2 is fixedly arranged at the end of the whole equipment for punching the h-section steel 1. The punching mechanism 2 comprises a punching frame 21, a punching oil cylinder 22, an upper tool 23 and a lower tool 24. The punching frame 21 is open on both front and rear sides. A punching cylinder 22 is fixed above the punching frame 21, and a piston rod of the punching cylinder 22 penetrates through the top surface of the punching frame 21 to the inside of the punching frame 21. A connecting plate 221 is fixed at the lower end of a piston rod of the punching oil cylinder 22, an upper tool 23 is fixed on the bottom surface of the connecting plate 221, and a punch 25 is fixed on the bottom surface of the upper tool 23. A carrier plate 26 is bolted to the inner bottom surface of the punch frame 21. In order to stabilize the punching direction of the punching cylinder 22, a stand column 27 is fixed on the top surface of the bearing plate 26 and on the outer side of the upper tool 23, the stand column 27 is arranged in a sleeve 28 preset on the upper connecting plate 221 in a penetrating manner, the outer wall of the sleeve 28 is fixed with the front end surface of the connecting plate 221 through bolts, and when the punching cylinder 22 moves downwards, a piston rod of the punching cylinder 22 drives the connecting plate 221 to move downwards, and the sleeve 28 moves downwards along the stand column 27 to avoid the change of the punching direction.
The top surface of the bearing plate 26 is provided with a lower tooling 24, and the lower tooling 24 comprises an upper layer structure and a lower layer structure which keep a set gap so as to facilitate the H-shaped steel 1 to pass through and be conveyed forwards. The lower tooling 24 includes an upper perforated plate 241 and a lower carrier block 242. The upper punching plate 241 is fixed on the bearing plate 26 through connecting blocks 243 on two sides, the upper punching plate 241 is inverted-mountain-shaped, and gaps are reserved between two sides of the bottom surface of the upper punching plate 241 and the connecting blocks 243 for matching with wing plates on the upper side of the I-shaped steel 1; a positioning block 244 protruding downwards is arranged in the middle of the bottom surface of the upper punching plate 241. The lower bearing block 242 is clamped by the positioning strips 245 on the front side and the rear side and corresponds to the position right below the upper punching plate 241, and a gap is reserved between the lower bearing block 242 and the positioning block 244 for passing through the web plate of the H-shaped steel 1; the lower bearing block 242 is spaced from the two side connecting blocks 243 for passing through the wing panels on the underside of the I-beam 1. The distance between the positioning block 244 and the lower bearing block 242 is the thickness of the H-shaped steel 1, and the width of the positioning block 244 and the lower bearing block 242 is smaller than the width of the web of the H-shaped steel 1 in order to avoid the position change of the H-shaped steel 1 when the H-shaped steel 1 penetrates between the positioning block 244 and the lower bearing block 242. Punching holes 246 penetrating up and down are formed in the upper punching plate 241, the lower bearing block 242 and the bearing plate 26, and the punching holes 246 are arranged corresponding to the punches 25 and are used for punching holes in the I-shaped steel 1. A scrap box is arranged below the punching frame 21.
A vertical plate 29 is fixedly arranged on the front end surface of the punching frame 21, a proximity switch is fixed on the vertical plate 29, the proximity switch is electrically connected with the punching oil cylinder 22 through a wire, the position information of the I-shaped steel 1 is transmitted to the punching oil cylinder 22, and the work of the punching oil cylinder 22 is controlled. The I-shaped steel 1 is conveyed between the positioning block 244 and the lower bearing block 242, the proximity switch senses and sends out a position signal of the I-shaped steel 1, the sensed signal is transmitted to the punching oil cylinder 22, the punching oil cylinder 22 moves downwards under the control of the proximity switch to drive the punch 25 to move downwards, the punch 25 penetrates through the punching hole 246 to punch the I-shaped steel 1, and therefore the punching process is completed.
The structure of the press roll feeding mechanism is as shown in fig. 4, and a press roll feeding mechanism 3 is arranged in front of the punching mechanism 2 and used for conveying the industrial steel 1, and comprises a feeding rack 31, a motor 32, a speed reducer 33, a lower press roll set, an upper press roll set and a pressing oil cylinder 34.
The front and rear surfaces of the feeding frame 31 are open. The motor 32 and the speed reducer 33 are arranged on the side surface of the feeding frame 31, and the motor 32 is in transmission connection with the speed reducer 33. The lower press roll group comprises a driving lower press roll and a driven lower press roll which are positioned on the same horizontal plane. The driving lower press roller is connected with the output shaft of the speed reducer 33, and the driving lower press roller drives the driven lower press roller through gear transmission. The upper press roll group comprises two driven upper press rolls positioned on the same horizontal plane. The two driven upper press rolls are driven by gears, and one driven upper press roll is connected with the driven lower press roll by gears. The I-shaped steel 1 passes through the upper compression roller group and the lower compression roller group, and is driven by the driving lower compression roller, the driven lower compression roller and the two driven upper compression rollers rotate, so that the I-shaped steel 1 is driven to be conveyed forwards.
In order to facilitate positioning and simultaneously conveying the H-shaped steel 1, gears are arranged on the side surfaces of the upper compression roller set and the lower compression roller set, and cams are respectively arranged at the middle parts of the upper compression roller set and the lower compression roller set corresponding to the conveying positions of the H-shaped steel 1 and are used for compacting and supporting the upper side and the lower side of a web plate of the H-shaped steel 1.
In order to facilitate adjustment of the pressing force to the conveying process of the I-steel 1, a pressing cylinder 34 and a pressing block 36 are provided for adjusting the pressing force between the upper pressing roller group and the lower pressing roller group. The upper press roller set and the lower press roller set are all installed on the feeding rack 31 through bearings, wherein the two driven upper press rollers are all arranged in the installation groove 35 through bearings, the installation groove 35 is arranged on two side walls of the feeding rack 31, the installation groove 35 is a U-shaped installation groove, the pressing block 36 is arranged in the installation groove 35 and above the driven upper press rollers, and the pressing block 36 can slide up and down in the installation groove 35. The bottom surface of the pressing block 36 is an arc surface matched with the bearing in the mounting groove 35, and the top surface of the pressing block 36 is a plane. A pressing plate 37 is fixed on the top surface of the pressing block 36 through bolts, and the pressing plate 37 is positioned on the pressing block 36 between two ends of the same driven upper pressing roller. The middle part of the top surface of the compacting plate 37 is provided with a connecting block, and is connected with a piston rod of the compacting cylinder 34 through the connecting block. The pressing cylinder 34 is installed on the top surface of the feeding frame 31, and a piston rod of the pressing cylinder 34 penetrates through the top surface of the feeding frame 31 to the inside of the feeding frame 31. The piston rod of the pressing cylinder 34 is connected with the connecting block through a connecting rod. The pressing plate 37 is pushed downwards by the pressing oil cylinder 34, the pressing plate 37 drives the pressing block 36 to downwards press the driven upper pressing roller, the gap in the driven upper pressing roller mounting groove 35 is reduced, the pressing force of the driven upper pressing roller on the I-shaped steel 1 is improved, and the transportation of the I-shaped steel 1 is facilitated.
The high-frequency heating mechanism 4 is structured as shown in fig. 5, and the high-frequency heating mechanism 4 is installed on the side surface in front of the press roll feeding mechanism 3 to heat the bending part of the i-steel 1, so that the bending is facilitated, and the high-frequency heating mechanism comprises a sliding mechanism, a high-frequency heating furnace 41 and a heating coil 42.
The sliding mechanism comprises two parallel sliding rails 43 arranged on the mounting platform, one end of each sliding rail 43 is provided with a driving motor 44, an output shaft of each driving motor 44 is fixedly connected with a transmission screw 45, each transmission screw 45 is arranged between the two sliding rails 43 in parallel, each transmission screw 45 is connected with a transmission nut in a threaded manner, and each transmission nut is fixedly connected with the high-frequency heating furnace 41. The high-frequency heating furnace 41 is slidably provided on the slide rail 43, and the heating coil 42 extends out of the side surface of the high-frequency heating furnace 41, and the high-frequency heating furnace supplies heat to heat the section steel 1 passing through the heating coil 42 at a bending position.
The driving motor 44 rotates to drive the transmission nut to slide on the transmission screw rod 45 so as to drive the high-frequency heating furnace 41 to slide back and forth along the sliding rail 43, so that the common motion of the I-shaped steel 1 and the heating coil 42 is realized, the bending part of the I-shaped steel 1 is continuously heated, and bending is facilitated.
A shearing mechanism 5 is arranged in a line at a set distance in front of the press roller feeding mechanism 3 to shear the I-shaped steel 1. The shearing mechanism 5 includes a shearing frame 51, a hydraulic cylinder 52, a shearing cylinder 53, an upper cutter 54, a lower cutter 55, and a buckling cutter 56.
The structure of the shearing mechanism 5 is shown in fig. 6, and the front and rear surfaces of the shearing machine frame 51 are opened, and the shearing mechanism comprises a shearing outer machine frame 511 and a shearing inner machine frame 512, wherein the shearing inner machine frame 512 is arranged in the shearing outer machine frame 511 in a sliding manner along the up-down direction, two side surfaces of the shearing outer machine frame 511 are provided with moving rails 513, the outer side surface of the shearing inner machine frame 512 is provided with ball bearings 514 sliding in the moving rails 513, and the cooperation of the moving rails 513 and the ball bearings 514 realizes the up-down sliding of the shearing inner machine frame 512 along the inner side surface of the shearing outer machine frame 511. The hydraulic cylinder 52 is installed at the middle upper portion of the left and right sides of the shear outer frame 511 by a fixing pin. The two sides of the rear end face of the inner shearing frame 512 are provided with fixing blocks 515, and the fixing blocks 515 are fixedly connected with the piston rod of the hydraulic oil cylinder 52.
The shearing cylinder 53 is installed above the interior of the shearing inner frame 512, a piston rod of the shearing cylinder 53 is fixedly connected with a cutter connecting plate 531, and an upper cutter 54 and a bending cutter 56 are sequentially fixed on the bottom surface of the cutter connecting plate 531 from front to back. The structures of the upper cutter 54, the lower cutter 55 and the bending cutter 56 are as shown in fig. 7 and 8, a cutter mounting seat is fixedly arranged on the front side below the upper cutter 54 and in the shearing inner frame 512, the lower cutter 55 is mounted on the cutter mounting seat, the rear end face of the cutter mounting seat is bent away, is tangent with the lower cutter, and leaves a space for downward bending of the I-shaped steel 1. And the rear side of the lower cutter 55 is tangent to the front side of the upper cutter 54 in parallel, and the lower cutter 55 is tangent to the upper cutter 54 in front and back to cut the section steel 1. The height of the bending knife 56 is lower than that of the upper cutter 54, the bottom surface of the bending knife 56 adjacent to one side of the upper cutter 54 is a plane with a set length distance, the length of the plane is the length of the H-shaped steel 1 which is bent, the rear of the plane is an open slot which is upward and is penetrated front and back, the open slot is provided with a right-angle pressing slot and is matched with the front plane to form a step shape, the open slot is connected with the front plane to form a pressing edge 561 by a chamfer of an edge processing circle, and the side wall of the open slot is connected with the top surface to form a chamfer of an edge processing circle and is matched with the side wall to be used as a forming surface 562 of the H-shaped steel which is bent downwards by 90 degrees.
The H-shaped steel 1 is conveyed between the upper cutter 54 and the lower cutter 55 and is contacted with the top surface of the lower cutter 55, when shearing is needed, the shearing cylinder 53 stretches downwards to drive the upper cutter 54 to move downwards, the front end surface of the upper cutter 54 and the rear end surface of the lower cutter 55 are respectively contacted with the top surface and the bottom surface of the same position of the H-shaped steel 1, and shearing of the H-shaped steel 1 is completed by mutual opposite movement.
A second proximity switch is fixed at a position corresponding to the lower cutter 55 on the side of the shearing inner frame 512, and the second proximity switch is used for detecting the position of the upper cutter 54, so as to prevent the upper cutter 54 from obstructing normal conveying or forward conveying of the bent industrial steel 1. The second proximity switch is electrically connected with the motor 32, the sensed position signal is transmitted to the motor 32, and the motor 32 acts under the control of the second proximity switch to drive the I-shaped steel 1 to be conveyed forwards.
A third proximity switch is fixed to the side of the shear inner frame 512 at a position on the rear side of the second proximity switch, and the third proximity switch is used for detecting the position of the press brake 56, so as to avoid collision between the heating coil 42 and the press brake 56. The third proximity switch is electrically connected with the driving motor 44, the sensed position signal is transmitted to the driving motor 44, and the driving motor 44 acts under the control of the third proximity switch to drive the heating coil 42 to slide back and forth.
As shown in fig. 9, the bending mechanism 6 is provided below the rear side of the shearing mechanism 5, and the bending mechanism 6 includes a bending frame 61, a lift cylinder 62, a first bending cylinder 63, a second bending cylinder 64, and a bending tool 65.
The bending machine frame 61 comprises an outer bending machine frame 611 and an inner bending machine frame 612, the inner bending machine frame 612 comprises a bearing plate 67 right below an opening groove of the bending cutter 56 and side plates connected to two sides of the bearing plate 67 and sliding inside the outer bending machine frame 611 along the up-down direction, the bearing plate 67 is used for supporting the H-shaped steel 1 by matching with the bending cutter 56 during bending, and the thickness of the bearing plate 67 is the thickness of the H-shaped steel 1 bending backwards. Rollers for abutting against the side surfaces of the front and rear end surfaces of the side plate of the bending inner frame 612 are mounted on the inner side surface of the bending outer frame 611 through rotating shafts, so that the bending inner frame 612 moves up and down along the inner side surface of the bending outer frame 611. The two sides of the bending outer frame 611 are respectively provided with a lifting oil cylinder 62, a piston rod of the lifting oil cylinder 62 is fixedly connected with a transmission block 66, the transmission block 66 is fixed on the outer side of the bending inner frame 612, and the bending inner frame 612 is driven to slide up and down through the lifting oil cylinder 62 and the transmission block 66.
The cylinder mounting bracket 68 is fixed above the inside of the bending inner frame 612, the cylinder mounting bracket 68 comprises fixing plates respectively connected with the inner side walls of the bending inner frame 612, a gap for arranging an oil cylinder is reserved between the two fixing plates, and mounting plates are fixed on the rear end faces of the two fixing plates. The first bending cylinder 63 and the second bending cylinder 64 are fixed on the mounting plate, the first bending cylinder 63 is located above the second bending cylinder 64, and the two bending cylinders stretch and retract along the horizontal direction.
The connection between the bending tool 65 and the two bending cylinders is shown in fig. 10, the bending tool 65 is arranged at the front end of the bending inner frame 612, and the bending tool 65 is matched below the bearing plate 67, rotates the bending section steel 1 and stretches the bending section steel 1 backwards. The bending tool 65 comprises a bending tool apron 652 and a bending tool bit 651 mounted on the top surface of the bending tool apron 652, an open slot is formed in the upper portion of the bending tool apron 652, and the open slot is hinged with the first bending cylinder 63 through a fixing pin; the lower part of the bending tool apron 652 is fixedly hinged with a turning plate 69 through an opening groove, the turning plate 69 is an isosceles triangle, one bottom corner of the turning plate 69 is connected with the bending tool apron 652 through a rotating shaft, the other bottom corner is connected with the second bending cylinder 64 through the rotating shaft, and the top corner of the turning plate 69 is connected with two side plates of the bending inner frame 612 through the rotating shaft. The horizontal force output from the second bending cylinder 64 is converted into a force in an oblique direction by the crank plate 69.
The rear side of the top surface of the bending tool bit 651 is provided with an inclined downward inclined surface 653, so that the H-shaped steel 1 can be folded back downwards and backwards. The front side of the top surface of the bending tool bit 651 is a bending plane 654 in smooth transition with the inclined plane 653, so that the rear end of the H-shaped steel 1 can be conveniently stretched and folded. The rear end face processing of tool bit 651 and tool holder 652 of bending is the structure 655 of stepping down, and the rear end face of tool bit 651 of bending is vertical face, and the rear end face of tool holder 652 of bending is decurrent inclined plane, and vertical face and inclined plane are all used for the structure 655 of stepping down of worker's shaped steel 1.
The cutting inner frame 512 moves downwards integrally under the action of the hydraulic cylinders 52 at two sides after the cutting of the H-shaped steel 1 is completed, meanwhile, the bending inner frame 612 moves upwards under the action of the lifting cylinder 62, so that the bearing plate 67 horizontally supports the H-shaped steel 1, a gap for the H-shaped steel 1 to pass through is reserved between the front end surface of the bearing plate 67 and the lower pressing edge 561 of the bending cutter 56, at the moment, the upper cutter 54 is still abutted against the H-shaped steel 1, the part, which is not contacted with the bearing plate 67, of the H-shaped steel 1 is bent downwards under the pressure of the gravity and the hydraulic cylinder 52, when the lower pressing edge 561 of the bottom surface of the bending cutter 56 is contacted with the H-shaped steel 1, the H-shaped steel 1 is pushed to continue to downwards, and when the end surface of the bending cutter 56 is matched with the lower bearing plate 67 to press the H-shaped steel 1, the bending of the H-shaped steel 1 is completed.
When the bending mechanism 6 moves upwards and the bearing plate 67 of the bending mechanism is matched with the bending knife 56 of the shearing mechanism 5 to bend the I-shaped steel 1 into a right angle, the I-shaped steel 1 is positioned above the rear end face of the bending knife 65, and at the moment, a backward bending process is carried out: the second bending cylinder 64 stretches, the turning plate 69 drives the bending tool 65 to incline forwards, the corresponding first bending cylinder 63 contracts, the upper part of the bending tool 65 is pulled to incline backwards, the inclined face 653 of the bending tool bit 651 is abutted against the I-shaped steel 1 to push the I-shaped steel 1 to bend inwards, when the I-shaped steel 1 is bent inwards by a certain angle, the bending plane 654 of the bending tool bit 651 is abutted against the I-shaped steel 1 to continuously push the I-shaped steel 1 to bend inwards, the I-shaped steel 1 is pressed into the bottom surface of the pressure bearing plate 67, and the I-shaped steel 1 is bent inwards by 90 degrees.
In this embodiment, in order to enhance the stability of feeding and avoid feeding problems, a press roller feeding mechanism 3 may be installed behind the punching mechanism 2 to assist feeding.
And the shearing mechanism 5 and the bending mechanism 6 can be slidably arranged on the frame, and the shearing mechanism 5 and the bending mechanism 6 move back and forth along a horizontal slideway and are positioned through bolts so as to be matched with the processing of square column buckles with various lengths.
According to the square column buckle forming equipment, in the working process, the work steel 1 is conveyed among the punching mechanism 2, the compression roller feeding mechanism 3, the heating coil 42 and the shearing mechanism 5, the heating coil 42 and the work steel 1 are conveyed forwards at the same time, in the forward movement process of the heating coil 42, the initial position of the bending mechanism 6 is located below the heating coil 42, collision between the heating coil 42 and the bearing plate 67 of the bending mechanism 6 is avoided, when the work steel 1 is conveyed to the shearing mechanism 5, the heating coil 42 returns to the initial position, the shearing cylinder 53 of the shearing mechanism 5 drives the upper cutter 54 to move downwards and is matched with the lower cutter 55 to realize shearing of the work steel 1, after shearing is completed, the bending inner frame 612 of the bending mechanism 6 is moved upwards under the action of the lifting cylinder 62 to prepare bending, the hydraulic cylinders 52 on two sides of the shearing outer frame 511 are contracted to drive the whole shearing inner frame 512 to move downwards, under the action of gravity and the pushing force of the hydraulic cylinders 52, the lower cutter 55 pushes the work steel 1 to bend downwards, the work steel 1 is enabled to extend downwards by 90 DEG, when the work steel 1 is conveyed to the shearing mechanism 5, the rear end surface of the first bending cutter is returned to the shearing cylinder 64, and the work steel 1 is bent upwards, and the work steel is bent in the bending process of the bending 1 is completed according to the requirement that the first bending cylinder 64 is bent upwards, and the bending of the work steel is bent.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should substitute or change the technical solution according to the technical concept of the present invention, to cover the scope of the present invention.
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| CN113877979A (en) * | 2021-09-27 | 2022-01-04 | 滦南县兴凯盛金属制品厂 | Production process of I-shaped steel and square column buckle clamping plate |
| CN114516159B (en) * | 2022-02-10 | 2024-05-28 | 上海轩田智能科技股份有限公司 | Shearing and bending device |
| CN115255732B (en) * | 2022-08-03 | 2023-06-02 | 山东美生热能科技有限公司 | Novel vacuum sealing device for heat-insulating oil sleeve |
| CN115889544B (en) * | 2022-11-21 | 2023-10-03 | 武汉杭久电气有限公司 | Fuse intelligent forming device for fuse |
| CN116020951A (en) * | 2023-01-10 | 2023-04-28 | 江苏皋城电气有限公司 | Stamping and bending device for electric control switch frame of distribution box |
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| CN203579179U (en) * | 2013-09-12 | 2014-05-07 | 滕州市聚鑫机械制造有限公司 | Mining automatic punching and shearing machine |
| KR101562286B1 (en) * | 2013-10-28 | 2015-10-22 | (주)티에스테크놀로지 | Clip manufacture apparatus |
| CN106217053A (en) * | 2016-08-31 | 2016-12-14 | 无锡市光彩机械制造有限公司 | A kind of integrated welding C-type steel forming and punching line and processing technique |
| CN206405266U (en) * | 2017-01-17 | 2017-08-15 | 苏州敏翔包装制品有限公司 | A kind of patch producing device on packing case |
| CN107398501A (en) * | 2017-09-25 | 2017-11-28 | 无锡中博锐机械有限公司 | A kind of sump bending board assembly line |
| CN108817208B (en) * | 2018-05-24 | 2023-09-26 | 任丘市增华通讯器材有限公司 | Automatic production equipment for anchor ear |
| CN109500233B (en) * | 2018-12-20 | 2023-10-24 | 中铝东南材料院（福建）科技有限公司 | Automatic production line of aluminum alloy substrate for mechanical hard disk and working method of automatic production line |
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