CN216297584U

CN216297584U - U-shaped part bending device

Info

Publication number: CN216297584U
Application number: CN202122144303.9U
Authority: CN
Inventors: 赵汉青; 赵凯; 刘武刚
Original assignee: Luohe City Maiwei Numerical Control Machinery Equipment Co ltd
Current assignee: Luohe City Maiwei Numerical Control Machinery Equipment Co ltd
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2022-04-15
Anticipated expiration: 2031-09-07

Abstract

The utility model provides a U-shaped part bending device which comprises a rack, a female die and a male die, wherein the female die is arranged on the rack; the male die is arranged on the right side of the female die and fixedly connected with a male die piston rod of a male die hydraulic cylinder fixedly arranged at the right end of the frame, and the male die moves left and right along with the extension and contraction of the male die piston rod. According to the U-shaped part bending device and the round steel blanking device additionally arranged, round steel can be automatically bent, demoulded and blanked, fault-free automatic feeding can be realized, the processing efficiency is high, the labor cost is reduced, and the operation safety is improved.

Description

U-shaped part bending device

Technical Field

The utility model relates to the technical field of steel rapid machining equipment, in particular to a U-shaped part bending device.

Background

Bending is a very common process in machining and is relatively commonly applied. The round steel is bent into a U shape to be manufactured into the U shape, and the U-shaped steel is widely applied to building installation, mechanical fitting connection, electric power iron towers, vehicles, ships, bridges, tunnels, railways and the like. The most common bending method is to extrude the straight material by an upper male die and a lower female die, and an ejection device is arranged below some lower female dies. However, in the processing method, the bent U-shaped part cannot automatically and completely separate from the lower female die, and the bent U-shaped part needs to be taken out of the lower female die or the bent U-shaped part ejected out of the lower female die needs to be taken out of the lower female die, so that the next U-shaped part can be bent.

Disclosure of Invention

The utility model provides a U-shaped part bending device capable of automatically feeding, bending and blanking round steel, which aims to solve the problems in the prior art in the process of bending the round steel into a U shape.

The utility model relates to a U-shaped part bending device which comprises a rack, a female die and a male die; the female die comprises a front female die and a rear female die which are symmetrically and horizontally arranged, end face positioning grooves are arranged at the same horizontal position of the right end faces of the front female die and the rear female die, inner positioning grooves in the same horizontal direction with the end face positioning grooves are arranged on the inner sides of the front female die and the rear female die, the inner positioning grooves and the end face positioning grooves are in transitional connection through arc-shaped grooves, and the front female die and the rear female die are respectively and fixedly connected with female die piston rods of female die hydraulic cylinders which are fixedly arranged at the front end and the rear end of the rack; round steel placing racks on the same horizontal plane are arranged on the front and back of the machine frame on the right side of the female die, and the upper surface of each round steel placing rack is the same as the lower end surface of the end surface positioning groove; the male die is arranged on the right side of the female die and fixedly connected with a male die piston rod of a male die hydraulic cylinder fixedly arranged at the right end of the frame, and the male die moves left and right along with the extension and contraction of the male die piston rod. When the round steel bending device is used, round steel is placed on the round steel placing frame, the front concave die and the rear concave die are close to each other under the pushing of the piston rod of the concave die, and then the convex die moves leftwards under the pushing of the piston rod of the convex die to bend the round steel into a U shape; then the piston rod of the female die retracts, the bent round steel U-shaped piece falls freely, and the piston rod of the male die retracts to the original position; after bending, an ejection mechanism and manual work are not needed to take the part from the female die.

Preferably, a baffle is arranged on the machine frame in the middle of the left sides of the front female die and the rear female die, so that the round steel is prevented from being popped out when being added with a workpiece in the bending process, and potential safety hazards are reduced.

Preferably, an inclined sliding piece plate is arranged at the middle position of the front female die and the rear female die below the rack, and the sliding piece plate is used for guiding out the bent U-shaped piece in the falling process of the bent U-shaped piece, so that the bent U-shaped piece is convenient to take out and arrange.

The utility model also discloses a round steel blanking device suitable for automatic blanking of round steel used by the U-shaped part bending device, which comprises a hopper, a blanking seam, a material stopping plate, a connecting rod and a collision block; the blanking seam is communicated with the hopper, the left width and the right width of the blanking seam are slightly wider than the diameter of the round steel, and the round steel can only fall down one at a time; the material blocking plate is arranged on a shaft sleeve fixed on the periphery of a horizontal rotating shaft on the front inner wall and the rear inner wall of the hopper, the distance between the lower end of the material blocking plate and the inner wall below the hopper is slightly larger than the diameter of the round steel, only one round steel can pass through the material blocking plate at a time, and the material blocking plate is pulled by a spring with one end fixed on the inner wall on the left side of the hopper; one end of the connecting rod is fixed on the shaft sleeve, and the other end of the connecting rod is in contact with the collision block; the collision block is fixed on the upper surface of the rear female die, the contact surface of the collision block and the connecting rod is an inclined surface, and the connecting rod can be pushed to swing around the rotating shaft when the rear male die drives the collision block to move back and forth. The swinging of the material blocking plate is driven by the swinging of the connecting rod, so that the 'material covering' phenomenon and no blanking can not occur when the round steel passes through the lower part of the material blocking plate.

The end part of the connecting rod is provided with a bearing at the sliding contact part of the collision block, so that the collision block pushes the connecting rod to swing more smoothly.

According to the U-shaped part bending device and the round steel blanking device additionally arranged, round steel can be automatically bent, demoulded and blanked, fault-free automatic feeding can be realized, the processing efficiency is high, the labor cost is reduced, and the operation safety is improved.

Drawings

Fig. 1 is a schematic top view of the present invention.

Fig. 2 is a view from a-a of fig. 1.

Fig. 3 is a view from the direction B-B of fig. 1.

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:

as shown in fig. 1, 2 and 3, the bending device for U-shaped parts of the present invention comprises a frame 1, a female die, and a male die 2; the female die comprises a front female die 3 and a rear female die 4 which are symmetrically and horizontally arranged, an end face positioning groove 5 is arranged at the same horizontal position of the right end face of the front female die 3 and the rear female die 4, an inner positioning groove 6 which is in the same horizontal direction as the end face positioning groove 5 is arranged at the inner side of the front female die 3 and the rear female die 4, the inner positioning groove 6 and the end face positioning groove 5 are in transition connection by adopting an arc-shaped groove, and the front female die 3 and the rear female die 4 are respectively and fixedly connected with female die piston rods of female die hydraulic cylinders 7 which are fixedly arranged at the front end and the rear end of the frame 1; round steel placing frames 8 on the same horizontal plane are arranged on the front and back of the machine frame 1 on the right side of the female die, and the upper surface of each round steel placing frame 8 is the same as the lower end face of the end face positioning groove 5; the male die 2 is arranged on the right side of the female die, the male die 2 is fixedly connected with a male die piston rod of a male die hydraulic cylinder fixedly arranged at the right end of the frame 1, and the male die 2 moves left and right along with the extension and contraction of the male die piston rod (the end part of the actual initial position of the male die 2 is close to the lowest round steel).

And a baffle plate 10 is arranged on the frame 1 at the middle position of the left sides of the front female die 3 and the rear female die 4.

An inclined slide piece plate 11 is arranged below the rack 1 in the middle of the front concave die 3 and the rear concave die 4.

The U-shaped part bending device adopts a round steel blanking device for feeding, and the round steel blanking device comprises a hopper 12, a blanking seam 13, a material blocking plate 14, a connecting rod 15 and a collision block 16; the blanking seam 13 is communicated with the hopper 12, the left width and the right width of the blanking seam 13 are slightly wider than the diameter of the round steel, and the round steel can only fall one at a time; the material blocking plate 14 is arranged on a shaft sleeve fixed on the periphery of a horizontal rotating shaft on the front inner wall and the rear inner wall of the hopper 12, the distance between the lower end of the material blocking plate 14 and the inner wall below the hopper 12 is slightly larger than the diameter of round steel, only one round steel can pass through the material blocking plate at a time, and the material blocking plate 14 is pulled by a spring 17 with one end fixed on the inner wall on the left side of the hopper 12; one end of the connecting rod 15 is fixed on the shaft sleeve, and the other end of the connecting rod 15 is provided with a bearing 9 which is contacted with the collision block 16; the collision block 16 is fixed on the upper surface of the rear female die 4, the contact surface of the collision block 16 and the bearing 9 at the end part of the connecting rod 15 is an inclined surface, and the connecting rod 15 can be pushed to swing around the rotating shaft when the rear male die 4 drives the collision block to move back and forth, so that the material blocking plate 14 is driven to swing.

Claims

1. A bending device for a U-shaped part comprises a frame, a female die and a male die; the die is characterized in that the die comprises a front die and a rear die which are symmetrically and horizontally arranged, end face positioning grooves are arranged at the same horizontal position of the right end faces of the front die and the rear die, inner positioning grooves in the same horizontal direction with the end face positioning grooves are arranged at the inner sides of the front die and the rear die, the inner positioning grooves and the end face positioning grooves are in transitional connection through arc-shaped grooves, and the front die and the rear die are respectively and fixedly connected with die piston rods of die hydraulic cylinders which are fixedly arranged at the front end and the rear end of the frame; round steel placing racks on the same horizontal plane are arranged on the front and back of the machine frame on the right side of the female die, and the upper surface of each round steel placing rack is the same as the lower end surface of the end surface positioning groove; the male die is arranged on the right side of the female die and fixedly connected with a male die piston rod of a male die hydraulic cylinder fixedly arranged at the right end of the frame, and the male die moves left and right along with the extension and contraction of the male die piston rod.

2. A U-shaped part bending device according to claim 1, wherein a baffle is arranged on the frame at the middle position of the left sides of the front female die and the rear female die.

3. A U-shaped part bending device according to claim 1, wherein an inclined slide plate is arranged below the machine frame and between the front female die and the rear female die, and the slide plate is used for guiding the bent U-shaped part outwards in the falling process.

4. A round steel blanking device suitable for the U-shaped part bending device of claim 1 comprises a hopper, a blanking seam, a material stopping plate, a connecting rod and a collision block; the feeding mechanism is characterized in that the feeding seam is communicated with the hopper, the left width and the right width of the feeding seam are slightly wider than the diameter of the round steel, and the round steel can only fall down one at a time; the material blocking plate is arranged on a shaft sleeve fixed on the periphery of a horizontal rotating shaft on the front inner wall and the rear inner wall of the hopper, the distance between the lower end of the material blocking plate and the inner wall below the hopper is slightly larger than the diameter of the round steel, only one round steel can pass through the material blocking plate at a time, and the material blocking plate is pulled by a spring with one end fixed on the inner wall on the left side of the hopper; one end of the connecting rod is fixed on the shaft sleeve, and the other end of the connecting rod is in contact with the collision block; the collision block is fixed on the upper surface of the rear female die, the contact surface of the collision block and the connecting rod is an inclined surface, the connecting rod can be pushed to swing around the rotating shaft when the rear male die drives the collision block to move back and forth, and the baffle plate is driven to swing through the swinging of the connecting rod.

5. A round steel blanking device suitable for the U-shaped part bending device as claimed in claim 1 as claimed in claim 4, wherein a bearing is installed at a sliding contact part of the end part of the connecting rod and the collision block.