CN110560570A

CN110560570A - Metal plate bending device

Info

Publication number: CN110560570A
Application number: CN201910964931.6A
Authority: CN
Inventors: 顾丽娟
Original assignee: 顾丽娟
Current assignee: Jiangsu Maisi Iron Machinery Co.,Ltd.
Priority date: 2019-10-11
Filing date: 2019-10-11
Publication date: 2019-12-13
Anticipated expiration: 2039-10-11
Also published as: CN110560570B

Abstract

The invention relates to the technical field of sheet metal stamping, and discloses a sheet metal bending device which comprises a fixed plate, wherein an air cylinder is arranged in the middle of the lower surface of the fixed plate, a piston rod of the air cylinder is fixedly connected with a pressing plate, fixed seats are arranged at the left end and the right end of the fixed plate, a first guide rod is arranged between the two fixed seats, the left side and the right side of the first guide rod are slidably connected with a sliding seat, the front side and the rear side of the sliding seat are slidably connected with second guide rods, and the lower ends of the two second guide rods are connected with. The invention is suitable for a metal plate bending device, the bending distance is adjusted by adjusting the distance between two sliding seats through the screw rod, and the two stamping heads on the left side and the right side can simultaneously ascend and descend by pushing the pressing plate to move up and down through the air cylinder, so that two sides of one steel plate can be simultaneously bent, the influence of repeated clamping on the product precision is reduced, the production efficiency is improved, and the metal plate bending device is suitable for popularization and use.

Description

Metal plate bending device

Technical Field

The invention relates to the technical field of sheet metal stamping, in particular to a sheet metal bending device.

Background

The sheet metal bending machine is an indispensable automatic machine in modern industry, and can efficiently and accurately complete the bending of some complex sheet metals. However, the sheet metal manufacturing and processing is still in an outsourcing state in most enterprises and is handed to special sheet metal processing enterprises for processing. In order to save costs, sometimes temporarily added mounting sheet metal is not convenient to put into production again, or in order to catch up with man-hours, some simpler mounting sheet metal may be considered to be self-machined. The size of such bends is generally not fixed.

Chinese patent (publication number: CN 203508668U) discloses a sheet metal bending device, which comprises a frame and a workbench arranged on the frame, wherein a bending mechanism is arranged above the frame, a lower template is arranged on the workbench, a die cavity corresponding to the bending mechanism is arranged on the lower template, and a base plate for supporting a product to be processed is arranged on the upper plane of the lower template; the size of the base plate is matched with that of the lower template; through increasing the backing plate for bend when treating the processing product, bend this backing plate together, through the bending of this backing plate and process and treat the sheet metal component, but the device can only bend to the one end of panel, when the both sides of a steel sheet all need bend, need use the device twice, and repeated clamping can influence final product size progress, consequently need improve the device.

Disclosure of Invention

The invention provides a sheet metal bending device, which solves the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

A metal plate bending device comprises a fixed plate, wherein the middle part of the lower surface of the fixed plate is provided with an air cylinder, a piston rod of the air cylinder is fixedly connected with a pressing plate, fixing seats are arranged at the left end and the right end of the fixing plate, a first guide rod is arranged between the two fixing seats, the left side and the right side of the first guide rod are connected with sliding seats in a sliding manner, the front side and the rear side of each sliding seat are connected with second guide rods in a sliding manner, the lower ends of the two second guide rods are connected with a first connecting plate, the upper ends of the two second guide rods are connected with a second connecting plate, a stamping head is arranged in the middle of the lower surface of the second connecting plate, one side of the sliding seat, which is far away from the center of the device, is provided with a side plate, the right side of the lower surface of the fixed plate is provided with a driving motor, an output shaft of the driving motor is fixedly connected with a first belt wheel, the first belt wheel is connected with a second belt wheel through a belt, the second belt wheel is fixedly connected with the right end of a lead screw, and the left side and the right side of the lead screw are in threaded connection with the middle of the.

As a preferred technical scheme of the invention, the front side and the rear side of the fixing plate are provided with abdicating grooves.

As a preferable technical solution of the present invention, a spring is disposed between the second connecting plate and the sliding seat.

As a preferable technical solution of the present invention, the spring is sleeved outside the second guide rod.

As a preferable technical scheme of the invention, the left side and the right side of the screw rod are provided with threads with opposite screwing directions.

As a preferred technical scheme of the invention, the middle part of the upper surface of the fixing plate is provided with a bearing seat, and the bearing seat is rotatably connected with the left end and the right end of the screw rod.

In a preferred embodiment of the present invention, the first connecting plate is disposed at a lower portion of the pressing plate.

As a preferable technical scheme of the invention, support columns are arranged on the left side and the right side of the fixing plate.

As a preferable technical scheme of the invention, the lower end of the supporting column is provided with a cushion block.

As a preferable technical scheme of the invention, the left side and the right side of the pressure plate are connected with third guide rods in a sliding mode, and the upper ends of the third guide rods are connected with the lower surface of the fixing plate.

The invention has the following advantages:

The invention is suitable for a metal plate bending device, the bending distance is adjusted by adjusting the distance between two sliding seats through the screw rod, and the two stamping heads on the left side and the right side can simultaneously ascend and descend by pushing the pressing plate to move up and down through the air cylinder, so that two sides of one steel plate can be simultaneously bent, the influence of repeated clamping on the product precision is reduced, the production efficiency is improved, and the metal plate bending device is suitable for popularization and use.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

fig. 1 is a schematic perspective view of a sheet metal bending device.

Fig. 2 is a front view of a sheet metal bending device.

Fig. 3 is a top view of a sheet metal bending device.

In the figure: 1. cushion blocks; 2. a support pillar; 3. a fixing plate; 4. a yielding groove; 5. a fixed seat; 6. a first guide bar; 7. a first connecting plate; 8. a second guide bar; 9. a sliding seat; 10. a spring; 11. a second connecting plate; 12. a drive motor; 13. a first pulley; 14. a belt; 15. a second pulley; 16. a screw rod; 17. a bearing seat; 18. a side plate; 19. punching a head; 20. a third guide bar; 21. pressing a plate; 22. and a cylinder.

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.

example one

Referring to fig. 1-3, a sheet metal bending device includes a fixing plate 3, support pillars 2 are disposed on left and right sides of the fixing plate 3, a cushion block 1 is disposed at a lower end of each support pillar 2, an air cylinder 22 is disposed in a middle portion of a lower surface of the fixing plate 3, a pressing plate 21 is fixedly connected to a piston rod of the air cylinder 22, fixing seats 5 are disposed at left and right ends of the fixing plate 3, a first guide rod 6 is disposed between the two fixing seats 5, a sliding seat 9 is slidably connected to left and right sides of the first guide rod 6, second guide rods 8 are slidably connected to front and rear sides of the sliding seat 9, lower ends of the two second guide rods 8 are connected to a first connecting plate 7, the first connecting plate 7 is disposed at a lower portion of the pressing plate 21, upper ends of the two second guide rods 8 are connected to a second connecting plate 11, a spring 10 is disposed between the second connecting plate 11 and the sliding seat 9, the spring 10 is, the side of the sliding seat 9 far away from the center of the device is provided with a side plate 18. The front side and the rear side of the fixed plate 3 are provided with abdicating grooves 4.

The right side of the lower surface of the fixed plate 3 is provided with a driving motor 12, an output shaft of the driving motor 12 is fixedly connected with a first belt wheel 13, the first belt wheel 13 is connected with a second belt wheel 15 through a belt 14, the second belt wheel 15 is fixedly connected with the right end of a screw rod 16, and the left side and the right side of the screw rod 16 are in threaded connection with the middle of the sliding seat 9. The middle part of the upper surface of the fixed plate 3 is provided with a bearing seat 17, the bearing seat 17 is rotatably connected with the left end and the right end of the screw rod 16, and the left side and the right side of the screw rod 16 are provided with threads with opposite turning directions.

Example two

Referring to fig. 1, the other contents of the present embodiment are the same as those of the first embodiment, except that: the left side and the right side of the pressure plate 21 are connected with a third guide rod 20 in a sliding manner, and the upper end of the third guide rod 20 is connected with the lower surface of the fixed plate 3. In order to ensure the close contact between the pressing plate 21 and the first connecting plate 7, the third guide rods 20 are arranged on the left and right sides of the pressing plate 21, so that the pressing plate 21 is ensured to move downwards along the third guide rods 20, the device is prevented from being unbalanced, the angle of the pressing plate 21 is deflected, the piston rod of the air cylinder 22 is subjected to lateral force, and the operation of the air cylinder 22 is influenced.

In the implementation process of the invention, according to the processing requirement, a proper bending length is selected, the driving motor 12 is started, the output shaft of the driving motor 12 drives the first belt pulley 13 to rotate, the first belt pulley 13 drives the second belt pulley 15 to rotate through the belt 14, the second belt pulley 15 drives the screw rod 16 to rotate, as the left side and the right side of the screw rod 16 are provided with threads with opposite turning directions, when the screw rod 16 rotates, the two sliding seats 9 slide towards two sides, when the distance between the two sliding seats 9 meets the bending requirement, the driving motor 12 is stopped at the moment, a steel plate needing to be bent is placed on the upper parts of the two side plates 18, the two side plates 18 jack up the steel plate at the moment, the air cylinder 22 is started, the piston rod of the air cylinder 22 extends out, the piston rod drives the pressing plate 21 to move downwards, so that the first connecting plate 7 is pushed to move downwards through the pressing plate 21, the first connecting plate 7 drives the second connecting plate, therefore, the stamping head 19 moves downwards, the bending function is realized through the stamping head 19 and the side plate 18, the left side and the right side of the steel plate are simultaneously bent, the air cylinder 22 is reversely started after the bending is finished, the piston rod of the air cylinder 22 contracts, the pressing plate 21 moves upwards, the first connecting plate 7 drives the stamping head 19 to move upwards under the action of the spring 10, the stamping head 19 is separated from the steel plate, and the steel plate which is bent can be taken out of the device; the invention is suitable for a sheet metal bending device, the bending distance is adjusted by adjusting the distance between two sliding seats 9 through the screw rod 16, and the two punching heads 19 on the left side and the right side are simultaneously lifted and lowered by pushing the pressing plate 21 to move up and down through the air cylinder 22, so that the two sides of one steel plate can be simultaneously bent, the influence of repeated clamping on the product precision is reduced, the production efficiency is improved, and the sheet metal bending device is suitable for popularization and use.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A sheet metal bending device comprises a fixing plate (3), wherein a cylinder (22) is arranged in the middle of the lower surface of the fixing plate (3), and a piston rod of the cylinder (22) is fixedly connected with a pressing plate (21), the sheet metal bending device is characterized in that fixing seats (5) are arranged at the left end and the right end of the fixing plate (3), a first guide rod (6) is arranged between the two fixing seats (5), sliding seats (9) are slidably connected with the left side and the right side of the first guide rod (6), second guide rods (8) are slidably connected with the front side and the rear side of each sliding seat (9), the lower ends of the two second guide rods (8) are connected with a first connecting plate (7), the upper ends of the two second guide rods (8) are connected with a second connecting plate (11), a stamping head (19) is arranged in the middle of the lower surface of the second connecting plate (11), and a side, the lower surface right side of fixed plate (3) is equipped with driving motor (12), and the output shaft fixed connection first band pulley (13) of driving motor (12), first band pulley (13) pass through belt (14) and connect second band pulley (15), and the right-hand member of second band pulley (15) fixed connection lead screw (16), the left and right sides threaded connection sliding seat (9) middle part of lead screw (16).

2. The sheet metal bending device according to claim 1, wherein the fixing plate (3) is provided with abdicating grooves (4) at the front and rear sides.

3. The sheet metal bending device according to claim 1, wherein a spring (10) is arranged between the second connecting plate (11) and the sliding seat (9).

4. The sheet metal bending device according to claim 3, wherein the spring (10) is sleeved outside the second guide rod (8).

5. The sheet metal bending device according to claim 1, wherein threads with opposite turning directions are arranged on the left side and the right side of the screw rod (16).

6. The sheet metal bending device according to claim 1, wherein a bearing seat (17) is arranged in the middle of the upper surface of the fixing plate (3), and the bearing seat (17) is rotatably connected with the left end and the right end of the screw rod (16).

7. The sheet metal bending device according to claim 1, wherein the first connecting plate (7) is disposed below the pressing plate (21).

8. The sheet metal bending device according to claim 1, wherein support columns (2) are arranged on the left side and the right side of the fixing plate (3).

9. The sheet metal bending device according to claim 8, wherein a cushion block (1) is arranged at the lower end of the supporting column (2).

10. The sheet metal bending device according to claim 1, wherein the left side and the right side of the pressing plate (21) are slidably connected with third guide rods (20), and the upper ends of the third guide rods (20) are connected with the lower surface of the fixing plate (3).