CN111729950A

CN111729950A - Steel plate bending machine for building steel structure and use method thereof

Info

Publication number: CN111729950A
Application number: CN202010632780.7A
Authority: CN
Inventors: 莫学雁; 陈雨晗; 李诗雨; 陈本军
Original assignee: Jingmen Yishengyuan Environmental Protection Technology Co ltd
Current assignee: Jingmen Yishengyuan Environmental Protection Technology Co ltd
Priority date: 2020-07-01
Filing date: 2020-07-01
Publication date: 2020-10-02

Abstract

The invention provides a steel plate bending machine for a building steel structure and a using method thereof, wherein the steel plate bending machine comprises a base station, the upper side of the base station is fixedly connected with a rack, the lower side of the rack is provided with a hydraulic cylinder, and the extension end of the hydraulic cylinder is fixedly connected with a bending cutter; the lower side of the bending cutter is arc-shaped, a first notch is formed in the surface of the bending cutter, and a fixed block and a stop block are arranged on one side of the first notch; the fixed block is fixedly connected to the lower side of the upper wall of the first notch, and one side of the fixed block is rotatably connected with the rotating plate through a pin shaft; the lower side of the rotating plate is arc-shaped; the stop block is fixedly connected to the upper side of the lower wall of the first notch. The sliding plates have the positioning effect, and the steel plate only needs to be moved to the next group of sliding plates to be positioned at the next bending position every time the steel plate is bent; the rotating plate is convenient to take out the annular workpiece which is bent into a ring shape, and after the workpiece is taken out, the rotating plate returns to a preset position under the action of gravity, so that the effect of supporting a bending cutter can be achieved.

Description

Steel plate bending machine for building steel structure and use method thereof

Technical Field

The invention relates to the technical field of machining, in particular to a steel plate bending machine for a building steel structure and a using method thereof.

Background

The steel plate bending machine is a machine capable of bending a metal plate, and the conventional bending machine is divided into a manual bending machine, a hydraulic bending machine and a numerical control bending machine. The manual bending machine is divided into a mechanical manual bending machine and an electric manual bending machine, and the hydraulic bending machine is divided into a torsion shaft synchronization mode, a machine liquid synchronization mode and an electro-hydraulic synchronization mode according to a synchronization mode. The hydraulic bending machine can be divided into an upper moving type and a lower moving type according to the movement mode.

For a steel structural member having an irregular curved shape, it is often necessary to take points at a plurality of places of a steel plate and then sequentially bend the steel plate at each point, but in this case, there are problems as follows: firstly, the existing steel plate bending operation usually needs to take points on the steel plate, and then manual alignment is performed during bending, so that the workload is increased, the accuracy is not high, and the working efficiency is influenced; secondly, if through bending many times, bend into confined annular or be close confined shape with the steel sheet, the steel sheet that bends can be treated to the cutter of bending in the course of the work and cause the hindrance, is unfavorable for the steel sheet to bend smoothly, still can influence the quality of bending.

Disclosure of Invention

The invention aims to provide a steel plate bending machine for a building steel structure and a using method thereof, and aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a steel plate bending machine for a construction steel structure comprises a base station, wherein the upper side of the base station is fixedly connected with a rack, the lower side of the rack is provided with a hydraulic cylinder, and the extension end of the hydraulic cylinder is fixedly connected with a bending cutter;

the lower side of the bending cutter is arc-shaped, a first notch is formed in the surface of the bending cutter, and a fixed block and a stop block are arranged on one side of the first notch;

the fixed block is fixedly connected to the lower side of the upper wall of the first notch, and one side of the fixed block is rotatably connected with a rotating plate through a pin shaft; the lower side of the rotating plate is arc-shaped;

the stop block is fixedly connected to the upper side of the lower wall of the first notch, a second notch is formed in the upper side of the stop block, and the lower side of the rotating plate is attached to the inner wall of the second notch;

a forming block is fixedly connected to the upper side of the base station, and a V-shaped notch is formed in the upper surface of the forming block;

the forming block is characterized in that two groups of limiting plates are arranged on the upper side of the forming block, an elastic reset structure is arranged on one side, close to the limiting plates, of each limiting plate, a sliding plate is fixedly connected to one side of each elastic reset structure, and a chamfer is formed in one side, close to steel plate feeding, of each sliding plate.

By adopting the technical scheme: placing one side of a steel plate to be processed between the limiting plates, so that the side wall of the steel plate is attached to the surface of the limiting plates, and the lower surface of the steel plate is attached to the upper side of the forming block; manually pushing a steel plate to be processed; when two side walls of the steel plate to be processed are in contact with the chamfer, the sliding plate can be pushed into the second groove through the chamfer, and finally the rear end of the steel plate to be processed is abutted to one side of the last group of sliding plates far away from the forming block to reach a preset position for one-time bending; the hydraulic cylinder is pressed downwards to drive the bending cutter to press downwards, and the steel plate to be processed is bent for the first time; after the primary bending is finished, manually pressing down and attaching the non-bent side of the steel plate to the upper surface of the forming block, and pushing the steel plate forwards to enable the rear end of the steel plate to be abutted to one side of the penultimate sliding plate group far away from the forming table, so that the preset position of the secondary bending is reached; the hydraulic cylinder is pressed downwards to drive the bending cutter to press downwards, and the steel plate to be processed is bent for the second time;

the sliding plates have the positioning effect, and the steel plate only needs to be moved to the next group of sliding plates to be positioned at the next bending position after being bent once; when the special bending device is used, the distance between the sliding plates is preset, if other steel plates are replaced, other limiting plates need to be replaced, and the distance between the sliding plates is suitable for the bending requirement of the zinc steel plates.

If the steel plate is bent for multiple times, the steel plate is bent into a closed annular shape or a shape close to the annular shape, in the bending process, one bent side of the steel plate is turned upwards, and the other side of the steel plate can be bent into the closed annular shape or the shape close to the closed shape after passing through the first notch; the annular or nearly annular bent plate is moved to the fixed block and the stop block by hand, one side of the bent plate is abutted against the rotating plate, the rotating plate is ejected, and the bent plate can be taken out.

The rotating plate is convenient to take out the annular workpiece which is bent into a ring shape, and after the workpiece is taken out, the rotating plate returns to a preset position under the action of gravity, so that the effect of supporting a bending cutter can be achieved.

Preferably, the extension end of the hydraulic cylinder is fixedly connected with a mounting plate, and a first groove is formed in the lower side of the mounting plate;

a connecting plate is fixedly welded on the upper side of the bending cutter, the upper side of the connecting plate is attached to the bottom of the first groove, and the edge of the connecting plate is attached to the wall of the first groove;

the mounting plate is fixedly connected with the connecting plate through bolts.

By adopting the technical scheme: through the cooperation of first recess and connecting plate, the cutter of can fixing a position fast bends, and the skew when preventing to bend the cutter installation.

Preferably, the side wall of the connecting plate is in threaded connection with a threaded knob in a penetrating mode, and one end of the threaded knob extends into the first groove;

the mounting panel lateral wall has seted up the circular slot, screw knob one end compresses tightly the tank bottom of being fixed in the circular slot.

By adopting the technical scheme: the mounting plate and the connecting plate can be preliminarily fixed by the threaded knob, so that subsequent bolt connection is facilitated.

Preferably, a reinforcing rib is arranged between the bending cutter and the connecting plate, the upper side of the reinforcing rib is welded with the lower side of the connecting plate, and one side of the reinforcing rib is welded with the surface of the bending cutter.

By adopting the technical scheme: the reinforcing rib can strengthen the firm degree between cutter and the connecting plate of bending, prevents that the cutter of bending from deflecting when using.

Preferably, the lower side of the base platform is fixedly connected with a supporting leg, and the lower end of the supporting leg is fixedly connected with a cushion block.

By adopting the technical scheme: the base platform can be supported through the supporting legs, and the base platform can be prevented from moving through the cushion blocks.

Preferably, the elastic reset structure comprises a second groove, a compression spring is fixedly connected to the bottom of the second groove, the other end of the compression spring is fixedly connected to one side of the sliding plate, and the surface of the sliding plate is in sliding fit with the wall of the second groove.

By adopting the technical scheme: the resetting of the sliding plate can be realized.

Preferably, one side of the sliding plate is fixedly connected with a guide pillar, and one end of the guide pillar penetrates through the limiting plate in a sliding mode.

By adopting the technical scheme: the guide posts prevent the slide plate from deflecting.

Preferably, the first notch is of a rectangular structure, and the second notch is of an arc structure.

Preferably, the screw has been seted up to shaping piece upper surface equidistance, the limiting plate sets up to L type structure, the fixed screw fixed connection in the screw that passes through of limiting plate downside.

By adopting the technical scheme: when the steel plate size that needs bend is different, can be with during the screw of limiting plate installation different positions, be convenient for adjust the distance between the limiting plate.

The invention also provides a use method of the steel plate bending machine for the building steel structure, which comprises the following steps:

s1, placing one side of a steel plate to be processed between limiting plates, enabling the side wall of the steel plate to be attached to the surface of the limiting plate, and attaching the lower surface of the steel plate to the upper side of a forming block; manually pushing a steel plate to be processed; when two side walls of the steel plate to be processed are in contact with the chamfer, the sliding plate can be pushed into the second groove through the chamfer, and finally the rear end of the steel plate to be processed is abutted to one side of the last group of sliding plates far away from the forming block to reach a preset position for one-time bending;

s2, pressing down a hydraulic cylinder to drive a bending cutter to press down, and bending the steel plate to be processed for the first time;

s3, after the primary bending is finished, manually pressing down and attaching the non-bent side of the steel plate to the upper surface of the forming block, and pushing the steel plate forwards to enable the rear end of the steel plate to be abutted to one side of the penultimate sliding plate group far away from the forming table to reach a secondary bending preset position;

s4, pressing down a hydraulic cylinder to drive a bending cutter to press down, and performing secondary bending on the steel plate to be processed;

s5, after the secondary bending is finished, repeating the steps and sequentially carrying out subsequent bending operation;

s6, if the steel plate is bent for multiple times, the steel plate is bent into a closed annular shape or a shape close to the annular shape, in the bending process, one bent side of the steel plate is turned upwards, and the other side of the steel plate can be bent into the closed annular shape or the shape close to the closed shape after passing through the first notch;

s7, manually moving the annular or nearly annular bent plate to the direction of the fixed block and the stop block, enabling one side of the bent plate to abut against the rotating plate, jacking the rotating plate, and taking out the bent plate.

By adopting the technical scheme, the steel plate can be processed into a building steel structural member.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, the arranged sliding plates have a positioning effect, and the steel plate can be positioned to the next bending position only by moving to the next group of sliding plates every time the steel plate is bent, so that the positioning is accurate, the workload can be reduced, and the working efficiency can be improved;

2. according to the invention, the bending cutter is provided with the first notch, the bending plate can pass through the notch to be bent continuously, and the bending cutter cannot obstruct the steel plate, so that the steel plate can be bent smoothly, and the bending quality can be improved;

3. according to the steel plate bending machine for the building steel structure, the rotating plate is arranged, so that steel plate workpieces bent into a ring shape can be taken out conveniently, and after the steel plate workpieces are taken out, the rotating plate can automatically return to a preset position under the action of gravity, so that the effect of supporting a bending cutter can be achieved, and the service life of the steel plate bending machine for the building steel structure can be prolonged.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is an enlarged view of a portion of section A of FIG. 1 in accordance with the present invention;

FIG. 3 is a schematic structural view of a limiting plate and a forming block part of the invention;

FIG. 4 is a schematic structural view of a sliding plate portion of the present invention;

FIG. 5 is a side view of the bending tool portion of the present invention;

fig. 6 is a schematic diagram of the internal side view of the elastic reset structure of the present invention.

Wherein the figures include the following reference numerals:

1. a base station; 2. a frame; 3. a hydraulic cylinder; 4. bending a cutter; 5. a first notch; 6. a fixed block; 7. a stopper; 8. a rotating plate; 9. a second notch; 10. forming a block; 101. a V-shaped notch; 11. a limiting plate; 12. an elastic reset structure; 13. a sliding plate; 14. chamfering; 15. mounting a plate; 16. a first groove; 17. a connecting plate; 18. a threaded knob; 19. a circular groove; 20. reinforcing ribs; 21. a support leg; 22. cushion blocks; 121. a second groove; 122. a compression spring; 23. a guide post; 24. and a screw hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution:

a steel plate bending machine for a building steel structure comprises a base platform 1, wherein the upper side of the base platform 1 is fixedly connected with a rack 2, the lower side of the rack 2 is provided with a hydraulic cylinder 3, and an extending end of the hydraulic cylinder 3 is fixedly connected with a bending cutter 4;

the lower side of the bending cutter 4 is arc-shaped, a first notch 5 is formed in the surface of the bending cutter 4, and a fixed block 6 and a stop block 7 are arranged on one side of the first notch 5;

the fixed block 6 is fixedly connected to the lower side of the upper wall of the first notch 5, and one side of the fixed block 6 is rotatably connected with a rotating plate 8 through a pin shaft; the lower side of the rotating plate 8 is arc-shaped;

the stop block 7 is fixedly connected to the upper side of the lower wall of the first notch 5, a second notch 9 is formed in the upper side of the stop block 7, and the lower side of the rotating plate 8 is attached to the inner wall of the second notch 9;

the upper side of the base station 1 is fixedly connected with a forming block 10, and the upper surface of the forming block 10 is provided with a V-shaped notch 101;

two groups of limiting plates 11 are arranged on the upper side of the forming block 10, an elastic reset structure 12 is arranged on one side, close to the two groups of limiting plates 11, of each group of limiting plates, a sliding plate 13 is fixedly connected to one side of each elastic reset structure 12, and a chamfer 14 is formed in one side, close to steel plate feeding, of each sliding plate 13; placing one side of a steel plate to be processed between the limiting plates, so that the side wall of the steel plate is attached to the surface of the limiting plates, and the lower surface of the steel plate is attached to the upper side of the forming block 10; manually pushing a steel plate to be processed; when two side walls of the steel plate to be processed are contacted with the chamfer 14, the sliding plate 13 can be pushed into the second groove 121 through the chamfer 14, and finally the rear end of the steel plate to be processed is abutted to one side of the last group of sliding plates 13 far away from the forming block 10, so that the preset position of primary bending can be reached; the hydraulic cylinder 3 is pressed down to drive the bending cutter 4 to press down, and the steel plate to be processed is bent for the first time; after the primary bending is finished, manually pressing down and attaching the non-bent side of the steel plate to the upper surface of the forming block 10, and pushing the steel plate forwards to enable the rear end of the steel plate to be abutted to the side, far away from the forming block 10, of the penultimate sliding plate 13 to reach a secondary bending preset position; the hydraulic cylinder 3 is pressed downwards to drive the bending cutter 4 to press downwards, and the steel plate to be processed is bent for the second time; the operation is then repeated until complete.

The sliding plates 13 have the positioning effect, and each time the steel plate is bent, the steel plate only needs to be moved to the next group of sliding plates 13, and the steel plate can be positioned to the position of the next bending; when the device is used specifically, the distance between the sliding plates 13 is preset, and if other steel plates are replaced, other limiting plates 11 need to be replaced, so that the distance between the sliding plates 13 is suitable for the bending requirement of the zinc steel plates.

If the steel plate is bent for multiple times, the steel plate is bent into a closed annular shape or a shape close to the annular shape, in the bending process, one bent side of the steel plate is turned upwards, and the other side of the steel plate can be bent into the closed annular shape or the shape close to the closed shape after passing through the first notch 5; the annular or nearly annular bent plate is manually moved towards the fixed block 6 and the stop 7, one side of the bent plate is abutted against the rotating plate 8, the rotating plate 8 is ejected, and the bent plate can be taken out.

The rotating plate 8 is convenient to take out the annular workpiece which is bent into a ring shape, and after the workpiece is taken out, the rotating plate 8 returns to a preset position under the action of gravity, so that the effect of supporting the bending cutter 4 can be achieved.

The extension end of the hydraulic cylinder 3 is fixedly connected with a mounting plate 15, and a first groove 16 is formed in the lower side of the mounting plate 15;

a connecting plate 17 is fixedly welded on the upper side of the bending cutter 4, the upper side of the connecting plate 17 is attached to the bottom of the first groove 16, and the edge of the connecting plate 17 is attached to the wall of the first groove 16;

the mounting plate 15 and the connecting plate 17 are fixedly connected through bolts.

Through the cooperation of first recess 16 and connecting plate 17, can fix a position bending tool 4 fast, prevent that bending tool 4 from inclining when installing.

A threaded knob 18 penetrates through the side wall of the connecting plate 17 in a threaded manner, and one end of the threaded knob 18 extends into the first groove 16;

the side wall of the mounting plate 15 is provided with a circular groove 19, and one end of the threaded knob 18 is tightly pressed and fixed at the bottom of the circular groove 19.

The threaded knob 18 may initially secure the mounting plate 15 and the connecting plate 17 for subsequent bolting.

A reinforcing rib 20 is arranged between the bending cutter 4 and the connecting plate 17, the upper side of the reinforcing rib 20 is welded with the lower side of the connecting plate 17, and one side of the reinforcing rib 20 is welded with the surface of the bending cutter 4.

The reinforcing ribs 20 enhance the firmness between the bending cutter 4 and the connecting plate 17 and prevent the bending cutter 4 from deflecting during use.

The lower side of the base platform 1 is fixedly connected with a supporting leg 21, and the lower end of the supporting leg 21 is fixedly connected with a cushion block 22.

The base 1 is supported by the legs 21, and the base 1 is prevented from moving by the spacers 22.

The elastic reset structure 12 includes a second groove 121, a compression spring 122 is fixedly connected to a groove bottom of the second groove 121, the other end of the compression spring 122 is fixedly connected to one side of the sliding plate 13, and a surface of the sliding plate 13 is in sliding fit with a groove wall of the second groove 121. Can realize the resetting of the sliding plate

One side of the sliding plate 13 is fixedly connected with a guide post 23, and one end of the guide post 23 penetrates through the limiting plate 11 in a sliding mode. Guide posts 23 prevent slide plate 13 from deflecting.

The first gap 5 is set to be a rectangular structure, and the second gap 9 is set to be an arc structure.

Screw holes 24 are formed in the upper surface of the forming block 10 at equal intervals, the limiting plate 11 is of an L-shaped structure, and the lower side of the limiting plate 11 is fixedly connected to the screw holes 24 through screws.

When the sizes of the steel plates to be bent are different, the limiting plates 11 can be installed in the screw holes 24 at different positions, so that the distance between the limiting plates 11 can be conveniently adjusted.

The parts not involved in the present invention are the same as or can be implemented by the prior art. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a steel sheet bender for construction steel structure, includes base station (1), its characterized in that:

the upper side of the base station (1) is fixedly connected with a rack (2), the lower side of the rack (2) is provided with a hydraulic cylinder (3), and the extending end of the hydraulic cylinder (3) is fixedly connected with a bending cutter (4); the lower side of the bending cutter (4) is arc-shaped, a first notch (5) is formed in the surface of the bending cutter (4), and a fixing block (6) and a stop block (7) are formed in one side of the first notch (5); the fixed block (6) is fixedly connected to the lower side of the upper wall of the first notch (5), and one side of the fixed block (6) is rotatably connected with a rotating plate (8) through a pin shaft; the lower side of the rotating plate (8) is arc-shaped; the stop block (7) is fixedly connected to the upper side of the lower wall of the first notch (5), a second notch (9) is formed in the upper side of the stop block (7), and the lower side of the rotating plate (8) is attached to the inner wall of the second notch (9); a forming block (10) is fixedly connected to the upper side of the base platform (1), and a V-shaped notch (101) is formed in the upper surface of the forming block (10); the forming device is characterized in that two groups of limiting plates (11) are arranged on the upper side of the forming block (10), an elastic reset structure (12) is arranged on one side, close to the limiting plates (11), of each group, a sliding plate (13) is fixedly connected to one side of the elastic reset structure (12), and a chamfer (14) is formed in one side, close to steel plate feeding, of the sliding plate (13).

2. The steel plate bending machine for the building steel structure according to claim 1, is characterized in that: an installation plate (15) is fixedly connected to the extending end of the hydraulic cylinder (3), and a first groove (16) is formed in the lower side of the installation plate (15);

a connecting plate (17) is fixedly welded on the upper side of the bending cutter (4), the upper side of the connecting plate (17) is attached to the bottom of the first groove (16), and the edge of the connecting plate (17) is attached to the wall of the first groove (16);

the mounting plate (15) and the connecting plate (17) are fixedly connected through bolts.

3. The steel plate bending machine for the building steel structure according to claim 2, is characterized in that:

a threaded knob (18) penetrates through the side wall of the connecting plate (17) in a threaded manner, and one end of the threaded knob (18) extends into the first groove (16);

circular slot (19) have been seted up to mounting panel (15) lateral wall, screw thread knob (18) one end compresses tightly the tank bottom of being fixed in circular slot (19).

4. The steel plate bending machine for the building steel structure according to claim 1, is characterized in that:

and a reinforcing rib (20) is arranged between the bending cutter (4) and the connecting plate (17), the upper side of the reinforcing rib (20) is welded with the lower side of the connecting plate (17), and one side of the reinforcing rib (20) is welded with the surface of the bending cutter (4).

5. The steel plate bending machine for the building steel structure according to claim 1, is characterized in that: the supporting leg (21) is fixedly connected to the lower side of the base platform (1), and a cushion block (22) is fixedly connected to the lower end of the supporting leg (21).

6. The steel plate bending machine for the building steel structure according to claim 1, is characterized in that: the elastic reset structure (12) comprises a second groove (121), a compression spring (122) is fixedly connected to the bottom of the second groove (121), the other end of the compression spring (122) is fixedly connected with one side of the sliding plate (13), and the surface of the sliding plate (13) is in sliding fit with the wall of the second groove (121).

7. The steel plate bending machine for the building steel structure according to claim 1, is characterized in that: one side of the sliding plate (13) is fixedly connected with a guide pillar (23), and one end of the guide pillar (23) penetrates through the limiting plate (11) in a sliding mode.

8. The steel plate bending machine for the building steel structure according to claim 1, is characterized in that: the first notch (5) is of a rectangular structure, and the second notch (9) is of an arc structure.

9. The steel plate bending machine for the building steel structure according to claim 1, is characterized in that: screw holes (24) have been seted up to shaping block (10) upper surface equidistance, limiting plate (11) set up to L type structure, fixed passing screw fixed connection in screw hole (24) of limiting plate (11) downside.

10. The use method of the steel plate bending machine for the building steel structure is characterized by comprising the following steps of: the method comprises the following steps: