CN111558661B

CN111558661B - Numerical control three-cylinder bending machine

Info

Publication number: CN111558661B
Application number: CN202010339376.0A
Authority: CN
Inventors: 刘银秋; 郑志敏
Original assignee: Anhui Bomei Machine Tool Co ltd
Current assignee: Anhui Bomei Machine Tool Co ltd
Priority date: 2020-04-26
Filing date: 2020-04-26
Publication date: 2021-07-13
Anticipated expiration: 2040-04-26
Also published as: CN111558661A

Abstract

The invention discloses a numerical control three-cylinder bending machine, and relates to the field of bending machines. According to the invention, the storage box is arranged, so that a worker can place a large amount of metal plates on the supporting plate by pressing the supporting plate downwards, the metal plates can move upwards and cling to the top surface of the inner cavity of the storage box under the elastic force action of the return spring, and a plurality of metal plates are stored at one time, so that the equipment can automatically process the metal plates in the storage box, and the working efficiency is improved; and meanwhile, the extrusion plate is arranged at the top of the storage box and is parallel and level to the discharge hole, the cylinder is started, the extrusion plate moves along the movable groove, the extrusion plate pushes the uppermost metal plate out of the discharge hole, the rest metal plates are kept still under the pressure of the extrusion plate, and the situation that only one plate can be pushed out of the discharge hole at each time is ensured.

Description

Numerical control three-cylinder bending machine

Technical Field

The invention relates to the field of bending machines, in particular to a numerical control three-cylinder bending machine.

Background

The numerical control bending machine is used for bending a metal plate in a cold state into workpieces with various geometric cross-sectional shapes by utilizing a matched die (a general or special die), the bending machine generally adopts a special numerical control system for the bending machine, the coordinate axis of the bending machine is developed from a single axis to 12 axes, and the numerical control system can automatically realize slide block operation depth control, slide block left and right inclination adjustment, back material stopper front and back adjustment, left and right adjustment, pressure tonnage adjustment, slide block approaching working speed adjustment and the like. The sheet forming machine is designed for cold-rolled sheet metal processing, and is widely applied to bending and processing of sheets in the industries of automobile, aircraft manufacturing, light industry, shipbuilding, containers, elevators, railway vehicles and the like.

At present bender adopts the manual work to carry out the material loading more, and the staff is through placing sheet metal on the workstation promptly, then bends sheet metal at starting equipment, and the staff is changing sheet metal and is bending, complex operation, extravagant a large amount of manpowers, has reduced work efficiency, is unfavorable for the large-scale production of mill.

Disclosure of Invention

In order to solve the defects in the prior art, the invention aims to provide the numerical control three-cylinder bending machine, the numerical control three-cylinder bending machine is provided with the storage box, a worker presses the supporting plate downwards by opening the box door, the supporting plate compresses the return spring, a large number of metal plates are placed on the supporting plate, and the metal plates can move upwards and cling to the top surface of the inner cavity of the storage box under the elastic force action of the return spring to store a plurality of metal plates at one time, so that the equipment can automatically process the metal plates in the storage box, and the working efficiency is improved; simultaneously be provided with the stripper plate at the top of storage box, stripper plate and discharge gate parallel and level, the stripper plate is in the storage box outside at first, and after starting the cylinder, the stripper plate removes along the activity groove, and the stripper plate just can be followed the discharge gate with the sheet metal of superiors and released, and remaining sheet metal receives the pressure of stripper plate and keeps motionless, guarantees all can only release a panel from the discharge gate at every turn. According to the invention, the material baffle plate is arranged at the upper end of the magnet, when the metal plate slides towards the workbench along the first sliding plate, the metal plate can collide against the material baffle plate, the impact force of the metal plate is absorbed by the buffer rubber plate, so that the metal plate stably falls on the surface of the workbench, the magnet has weak adsorption force, the plate can be finely adjusted, the plate is kept in a horizontal state, and the bending effect is ensured.

The purpose of the invention can be realized by the following technical scheme:

a numerical control three-cylinder bending machine comprises a bending rack, wherein a material storage box is arranged at the front end of the bending rack, a control panel is arranged on the side wall of the bending rack, a workbench is arranged in an inner cavity of the bending rack, a bending clamping plate is arranged at the top end of the workbench, and a groove matched with the bending clamping plate is formed in the surface of the workbench;

the rear end of the bending rack is welded with a fixed plate, the surface of the fixed plate is provided with an air cylinder, the movable end of the air cylinder is fixedly connected with a movable plate, two ends of the movable plate are respectively connected with two inner side walls of the bending rack, the center of the top of the movable plate is fixedly connected with a supporting plate, the front end of the supporting plate is fixedly connected with a connecting rod, one end of the connecting rod, which is far away from the supporting plate, is provided with a magnet, and the bottom surface of the magnet and the surface of the workbench are positioned;

the two ends of the top of the supporting plate are fixedly connected with fixed blocks, the top of each fixed block is welded with a driving rod, the top of the storage box is provided with a movable groove, an extrusion plate is arranged in each movable groove, and one end, far away from the fixed blocks, of each driving rod penetrates through the bending machine frame and is fixedly connected with the corresponding extrusion plate;

the surface of the storage box is provided with a box door, the bottom of the inner cavity of the storage box is fixedly connected with a bottom plate, the surface of the bottom plate is provided with a return spring, the top end of the return spring is fixedly connected with a supporting plate, the top of one side of the storage box, which is close to the bending rack, is provided with a discharge hole, and the height of the discharge hole is matched with the size of a plate;

the bottom of discharge gate and the lateral wall fixedly connected with first slide of material storage box, the workstation is close to one side bottom fixedly connected with second slide of material storage box.

Further, the movable plate is located at the bottom end of the workbench, and the top surface of the movable plate and the bottom surface of the workbench are located in the same horizontal plane.

Furthermore, the first sliding plate is obliquely arranged, one end, close to the storage box, of the first sliding plate is higher than the other end of the first sliding plate, and the lower end of the first sliding plate is located at the top end of the workbench.

Furthermore, the extrusion plate is connected with the storage box in a sliding mode in the movable groove, and the bottom face of the extrusion plate and the bottom end of the discharge hole are located in the same plane.

Furthermore, the two inner side walls at the rear end of the bending rack are respectively and fixedly connected with a sliding rail, the two side walls of the movable plate are respectively provided with a limiting groove matched with the sliding rail, and the movable plate is connected with the bending rack in a sliding mode through the sliding rail.

Further, the welding of both ends center department of layer board has the removal slider, the inside wall of material storage box is seted up with removal slider matched with spout, and the layer board is through removing slider and material storage box sliding connection.

Further, the top fixedly connected with striker plate of magnet, the lateral wall surface bonding of striker plate has the cushion rubber board.

The invention has the beneficial effects that:

1. according to the invention, the support plate and the reset spring are arranged in the storage box, metal plates are placed on the support plate, the uppermost metal plate can be tightly attached to the top surface of the storage box under the action of the elastic force of the reset spring, meanwhile, the extrusion plate is flush with the discharge hole, when the extrusion plate moves along the movable groove, the extrusion plate can push out the uppermost metal plate from the discharge hole, the lower plate is pressed by the extrusion plate and is retained in the storage box, only when the previous plate is bent, and when the extrusion plate is separated from the storage box again, the rest plates can move upwards, so that only one metal plate can be pushed out from the storage box at each time;

2. according to the invention, the magnet is arranged, the magnet has weak adsorption force, when the metal plate falls onto the workbench, the magnet can adsorb the metal plate, so that one side of the metal plate is tightly attached to the surface of the magnet, and the side wall of the metal plate is parallel to the bending clamping plate, so that the plate can be prevented from being released and deviated to cause defective products;

3. according to the invention, the material baffle plate is arranged at the top of the magnet, the buffer rubber plate is arranged on the surface of the material baffle plate, when the metal plate slides to the workbench along the first sliding plate, the metal plate can impact on the material baffle plate, the metal plate is limited by the material baffle plate, and the impact force of the metal plate is absorbed by the buffer rubber plate, so that the metal plate can stably fall on the surface of the workbench.

Drawings

The invention will be further described with reference to the accompanying drawings.

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

FIG. 2 is a schematic structural view of a bending machine body according to the present invention;

FIG. 3 is a rear view of the body of the bending machine of the present invention;

FIG. 4 is a schematic view of the table of the present invention;

FIG. 5 is a schematic view of the bin configuration of the present invention;

FIG. 6 is a schematic view of the pallet and magazine mounting of the present invention;

fig. 7 is a schematic view of the bottom plate structure of the present invention.

In the figure: 1. bending the frame; 2. a material storage box; 3. a control panel; 4. a work table; 5. bending the clamping plate; 6. a fixing plate; 7. a cylinder; 8. a movable plate; 9. a support plate; 10. a connecting rod; 11. a magnet; 12. a striker plate; 13. a fixed block; 14. a drive rod; 15. a pressing plate; 16. a box door; 17. a base plate; 18. a return spring; 19. a support plate; 20. a first slide plate; 21. a second slide plate; 22. a slide rail; 23. moving the slide block; 24. a discharge port; 25. a movable groove.

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.

In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.

A numerical control three-cylinder bending machine is disclosed, as shown in figures 1 and 3, and comprises a bending machine frame 1, a material storage box 2 is arranged at the front end of the bending machine frame 1, a control panel 3 is arranged on the side wall of the bending machine frame 1, a workbench 4 is arranged in an inner cavity of the bending machine frame 1, a bending clamping plate 5 is arranged at the top end of the workbench 4, a groove matched with the bending clamping plate 5 is formed in the surface of the workbench 4, the bending clamping plate 5 is controlled to move downwards into the groove through the control panel 3, so as to bend a metal plate, a fixed plate 6 is welded at the rear end of the bending machine frame 1, an air cylinder 7 is arranged on the surface of the fixed plate 6, a movable end of the air cylinder 7 is fixedly connected with a movable plate 8, two ends of the movable plate 8 are respectively connected with two inner side walls of the bending machine frame 1, a support plate 9 is fixedly connected at the center, and the bottom surface of magnet 11 and the surface of workstation 4 are in the same horizontal plane, magnet 11 has weak adsorption affinity, when panel is on workstation 4, magnet 11 can adsorb panel, make the lateral wall of panel paste in the surface of magnet 11, prevent that panel from taking place to deflect, magnet 11 also can act as the push pedal simultaneously, cylinder 7 promotes magnet 11 and moves to the outside, magnet 11 promotes panel and removes, make same panel can carry out bending many times, after accomplishing, magnet 11 just can be released panel from workstation 4, as shown in fig. 4, fly leaf 8 is located the bottom of workstation 4, and the top surface of fly leaf 8 and the bottom surface of workstation 4 are in the same horizontal plane.

As shown in fig. 3, two inner side walls of the rear end of the bending frame 1 are respectively and fixedly connected with a sliding rail 22, two side walls of the movable plate 8 are both provided with a limiting groove matched with the sliding rail 22, the movable plate 8 is embedded in the surface of the sliding rail 22, and when the cylinder 7 extends and retracts, the movable plate 8 can horizontally slide along the sliding rail 22, so that the movable plate 8 is more stable when moving.

As shown in fig. 1 and 5, fixed blocks 13 are fixedly connected to two ends of the top of the supporting plate 9, driving rods 14 are welded to the tops of the fixed blocks 13, a movable groove 25 is formed in the top of the storage box 2, an extrusion plate 15 is arranged in the movable groove 25, one ends, far away from the fixed blocks 13, of the driving rods 14 penetrate through the bending frame 1 and the extrusion plate 15 and are fixedly connected with each other, when the air cylinders 7 push the movable plates 8 to move, the movable plates 8 can drive the extrusion plates 15 to slide in the movable grooves 25 through the driving rods 14, and synchronous movement of the extrusion plates 15 and the magnets 11 is guaranteed.

First slide 20 is the slope setting, and first slide 20 is higher than the other end near the one end of material storage box 2, and the sheet metal of being convenient for slides on workstation 4, and the low end department of first slide 20 is located the top of workstation 4 and does not link to each other, has certain drop between first slide 20 and the workstation 4, after sheet metal is bent, magnet 11 outwards promotes sheet metal, and sheet metal removes from the space between first slide 20 and the workstation 4 to can follow the landing of second slide 21.

The stripper plate 15 is connected with the storage box 2 in a sliding manner in the movable groove 25, the bottom surface of the stripper plate 15 and the bottom end of the discharge port 24 are in the same plane, at first, the stripper plate 15 is located outside the storage box 2, when the cylinder 7 contracts, the cylinder 7 drives the movable plate 8 to move, the movable plate 8 drives the stripper plate 15 to slide along the movable groove 25 through the driving rod 14, when the metal plate is tightly attached to the top surface of the storage box, the stripper plate 15 can push the uppermost metal plate to move out from the discharge port 24, and meanwhile, the stripper plate 15 suppresses the rest metal plate.

As shown in fig. 4, top fixedly connected with striker plate 12 of magnet 11, when sheet metal slided to workstation 4's surface along first slide 20, sheet metal can hit striker plate 12, striker plate 12 played spacing effect to sheet metal, and the lateral wall surface bonding of striker plate 12 has the buffer rubber board simultaneously, and the buffer rubber board can absorb the impact force that produces when sheet metal collided, prevents that sheet metal from taking place to kick-back, guarantees that sheet metal can steadily fall on workstation 4's surface.

As shown in fig. 6 and 7, a door 16 is mounted on the surface of the storage box 2, a worker inserts a metal plate into the storage box 2 by opening the door 16, a bottom plate 17 is fixedly connected to the bottom of an inner cavity of the storage box 2, a return spring 18 is arranged on the surface of the bottom plate 17, a supporting plate 19 is fixedly connected to the top end of the return spring 18, initially, the supporting plate 19 is tightly attached to the top surface of the storage box 2 under the elastic force action of the return spring 18, the metal plate is placed on the surface of the supporting plate 19 by pressing the supporting plate 19 downwards, the metal plate is tightly attached to the top of the storage box 2 under the elastic force action of the return spring 18, a discharge port 24 is formed in the top of one side, close to the bending rack 1, of the storage box 2, and the height of the discharge port 24 is matched with the size of the.

As shown in fig. 6, the center of the two ends of the supporting plate 19 is welded with a movable sliding block 23, the inner side wall of the storage box 2 is provided with a sliding groove matched with the movable sliding block 23, and the supporting plate 19 is slidably connected with the storage box 2 through the movable sliding block 23.

As shown in fig. 2 and 5, a first sliding plate 20 is fixedly connected to the bottom of the discharge port 24 and the side wall of the storage box 2, a metal plate slides out along the discharge port 24 and slides onto the workbench 4 along the first sliding plate 20, a second sliding plate 21 is fixedly connected to the bottom of one side of the workbench 4 close to the storage box 2, after the metal plate is bent, the magnet 11 pushes the metal plate out of the surface of the workbench 4, and the metal plate slides to the bottom of the storage box 2 along the second sliding plate 21 for storing a finished product.

The working principle of the invention is as follows: at first, the air cylinder 7 is in an extension state, the magnet 11 is positioned at the edge of the workbench 4, the extrusion plate 15 is positioned outside the storage box 2, a worker opens the storage box 2 through the box door 16, the supporting plate 19 is pressed down, the supporting plate 19 compresses the return spring 18, the worker superposes a plurality of metal plates on the supporting plate 19, the metal plates are tightly attached to the top of the storage box 2 under the action of the elastic force of the return spring 18, the box door 16 is closed, the equipment is started after data is set through the control panel 3, the air cylinder 7 contracts and pulls the movable plate 8 to move backwards, the movable plate 8 drives the magnet 11 to move backwards along the surface of the workbench 4, meanwhile, the movable plate 8 drives the extrusion plate 15 to move towards the direction of the storage box 2 along the movable groove 25 through the driving rod 14, the extrusion plate 15 can push the uppermost metal plate to move out from the discharge hole 24, and simultaneously the extrusion plate 15 keeps pressing the, when the cylinder 7 is completely contracted, the magnet 11 is positioned at the inner side edge of the workbench 4, the extrusion plate 15 completely pushes out the metal plate, the plate slides downwards along the first sliding plate 20 and collides with the striker plate 12, the buffer rubber plate on the surface of the striker plate 12 absorbs the impact force of the plate, so that the plate can stably fall on the surface of the workbench 4, meanwhile, the magnet 11 generates weak adsorption force to the plate, so that the side wall of the plate is tightly attached to the surface of the magnet 11 to keep the plate horizontal, after the bending is finished, the air cylinder 7 extends again to push the magnet 11 to move outwards, the magnet 11 pushes the finished product out of the workbench 4, the finished product slides along the second sliding plate 21, meanwhile, the extrusion plate 15 gradually separates from the storage box 2, and when the extrusion plate 15 is completely positioned outside the storage box 2, the metal plates in the storage box 2 move upwards under the action of the elastic force of the return spring 18, and the metal plates on the uppermost layer cling to the top of the storage box 2 again.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.

Claims

1. The numerical control three-cylinder bending machine comprises a bending rack (1) and is characterized in that a material storage box (2) is arranged at the front end of the bending rack (1), a control panel (3) is mounted on the side wall of the bending rack (1), a workbench (4) is arranged in an inner cavity of the bending rack (1), a bending clamp plate (5) is arranged at the top end of the workbench (4), and a groove matched with the bending clamp plate (5) is formed in the surface of the workbench (4);

the bending machine is characterized in that a fixed plate (6) is welded at the rear end of the bending rack (1), an air cylinder (7) is mounted on the surface of the fixed plate (6), a movable end of the air cylinder (7) is fixedly connected with a movable plate (8), two ends of the movable plate (8) are respectively connected with two inner side walls of the bending rack (1), a supporting plate (9) is fixedly connected to the center of the top of the movable plate (8), a connecting rod (10) is fixedly connected to the front end of the supporting plate (9), a magnet (11) is mounted at one end, far away from the supporting plate (9), of the connecting rod (10), and the bottom surface of the magnet (11) and the surface of the workbench (4;

the two ends of the top of the supporting plate (9) are fixedly connected with fixing blocks (13), the top of each fixing block (13) is welded with a driving rod (14), the top of the storage box (2) is provided with a movable groove (25), an extrusion plate (15) is arranged in each movable groove (25), and one end, far away from the fixing blocks (13), of each driving rod (14) penetrates through the bending rack (1) and is fixedly connected with the corresponding extrusion plate (15);

the surface of the storage box (2) is provided with a box door (16), the bottom of an inner cavity of the storage box (2) is fixedly connected with a bottom plate (17), the surface of the bottom plate (17) is provided with a return spring (18), the top end of the return spring (18) is fixedly connected with a supporting plate (19), the top of one side, close to the bending rack (1), of the storage box (2) is provided with a discharge hole (24), and the height of the discharge hole (24) is matched with the size of a plate;

the bottom of discharge gate (24) and the lateral wall fixedly connected with first slide (20) of material storage box (2), workstation (4) are close to one side bottom fixedly connected with second slide (21) of material storage box (2).

2. A numerical control three-cylinder bending machine according to claim 1, wherein said movable plate (8) is located at the bottom end of the worktable (4), and the top surface of the movable plate (8) and the bottom surface of the worktable (4) are in the same horizontal plane.

3. A numerical control three-cylinder bending machine according to claim 1, wherein said first slide plate (20) is inclined, and one end of the first slide plate (20) close to the storage box (2) is higher than the other end, and the lower end of said first slide plate (20) is located at the top end of the worktable (4).

4. A numerical control three-cylinder bending machine according to claim 1, wherein said extrusion plate (15) is slidably connected to the storage box (2) in a movable slot (25), and the bottom surface of said extrusion plate (15) and the bottom end of the discharge hole (24) are in the same plane.

5. The numerical control three-cylinder bending machine according to claim 1, wherein two inner side walls at the rear end of the bending machine frame (1) are fixedly connected with slide rails (22) respectively, two side walls of the movable plate (8) are both provided with limit grooves matched with the slide rails (22), and the movable plate (8) is slidably connected with the bending machine frame (1) through the slide rails (22).

6. The numerical control three-cylinder bending machine according to claim 1, wherein the center of each of the two ends of the supporting plate (19) is welded with a movable sliding block (23), the inner side wall of the storage box (2) is provided with a sliding groove matched with the movable sliding block (23), and the supporting plate (19) is slidably connected with the storage box (2) through the movable sliding block (23).

7. The numerical control three-cylinder bending machine according to claim 1, wherein a striker plate (12) is fixedly connected to the top of the magnet (11), and a buffer rubber plate is bonded to the surface of the side wall of the striker plate (12).