CN216911861U

CN216911861U - Bending device for sheet metal machining

Info

Publication number: CN216911861U
Application number: CN202123154878.5U
Authority: CN
Inventors: 朱旭初
Original assignee: Suzhou Jindian Precision Manufacturing Co ltd
Current assignee: Suzhou Jindian Precision Manufacturing Co ltd
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-07-08
Anticipated expiration: 2031-12-15

Abstract

The utility model discloses a bending device for sheet metal machining, which comprises a base, a rack, a top seat, a lower die seat and an upper die seat, wherein the rack is fixedly installed on the base, the top seat is installed at the top end of the rack, the lower die seat is positioned at the upper end of the base, positioning blocks are arranged on two sides of the lower die seat, the two positioning blocks are connected with the base in a sliding mode, the upper die seat is positioned right above the lower die seat, a hydraulic cylinder is arranged on one side of the lower surface of the top seat, and a positioning seat is fixedly connected with an extending end of the hydraulic cylinder. According to the utility model, through arranging the lower die base and the upper die base, a sheet metal part to be bent can be transmitted to the lower die base, the upper die base is pushed to move downwards by extending of the hydraulic cylinder to bend the sheet metal part on the lower die base, and meanwhile, the upper die base drives the cutter to synchronously move downwards to cut off the sheet metal part when moving downwards, so that a good bending effect is ensured, different upper die bases and different lower die bases can be replaced according to different conditions of bending, and the operation is simple.

Description

Bending device for sheet metal machining

Technical Field

The utility model relates to the technical field related to sheet metal machining, in particular to a bending device for sheet metal machining.

Background

Bending in the sheet metal machining process is mainly performed by using a bending machine, the bending machine is important equipment for bending and forming workpieces in the sheet metal industry, the bending machine is used for pressing steel plates into parts in various shapes according to process requirements, in the bending machining process, a metal plate (sheet metal part) needs to be placed between an upper die and a lower die, and the upper die moves downwards under hydraulic or numerical control to bend the metal plate.

The existing bending device is not convenient to replace the upper die base and the lower die base, so that different sheet metal parts are not convenient to bend, the existing sheet metal parts are bent, most of the sheet metal parts need to be cut off by using extra cutting mechanisms for redundant parts after bending, the operation is complex, the sheet metal parts are bent mostly through manual feeding, automatic feeding is not convenient to bend, the working efficiency is low, and improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a bending device for sheet metal machining, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a bending device for sheet metal working, includes base, frame, footstock, die holder and upper die base, frame fixed mounting is on the base, the footstock is installed on the frame top, the die holder is located the base upper end, the die holder both sides all are equipped with the locating piece, two locating piece and base sliding connection, and two locating piece and base sliding connection, the upper die base is directly over the die holder, footstock lower surface one side is equipped with the pneumatic cylinder, the extension end fixedly connected with positioning seat of pneumatic cylinder, the upper die base is connected with the positioning seat, base upper end one side is equipped with down the transmission frame, transmission frame top is equipped with the transmission frame down, transmission frame and last transmission frame symmetry set up down.

As further preferable in the present technical solution: the base is internally and rotatably provided with a first transmission screw rod and a second transmission screw rod, one end of the first transmission screw rod is fixedly connected with one end of the second transmission screw rod, and one end of the second transmission screw rod extends to the outside of the base and is fixedly connected with an output shaft of a first driving motor arranged on the base.

As further preferable in the present technical solution: the lines on the first transmission screw rod and the second transmission screw rod are arranged in a reverse direction, screw rod nuts are arranged on the first transmission screw rod and the second transmission screw rod, and the two screw rod nuts are fixedly connected with the two positioning blocks respectively.

As further preferable in the present technical solution: the positioning seat is provided with a sliding groove, the top end of the upper die base is provided with a sliding block matched with the sliding groove, one end of the sliding groove is provided with a positioning hole, and a positioning bolt is installed in the positioning hole.

As further preferable in the present technical solution: the cutter is fixedly installed on one side of the lower surface of the positioning seat, and a cutting groove matched with the cutter is formed in one side of the upper surface of the lower die seat.

As further preferable in the present technical solution: be equipped with a plurality of lower transmission rollers, it is a plurality of on the transmission frame down the transmission roller all is connected through pivot and lower transmission frame fixed rotation, and is a plurality of all be equipped with the sprocket in the pivot, cut a plurality of connect through the driving chain between the pivot, be equipped with second driving motor on the transmission frame down, second driving motor's output shaft and arbitrary one pivot fixed connection.

As further preferable in the present technical solution: the upper conveying frame is rotatably provided with a plurality of upper conveying rollers, the upper conveying rollers and the lower conveying rollers are all annularly provided with rubber pads, one side of the lower surface of the top seat is provided with an electric push rod, and the extending end of the electric push rod is fixedly connected with the upper conveying frame.

The utility model provides a bending device for sheet metal processing, which has the following beneficial effects:

(1) according to the utility model, through arranging the lower die base and the upper die base, a sheet metal part to be bent can be transmitted to the lower die base, then the upper die base is pushed to move downwards by extending the hydraulic cylinder, the sheet metal part on the lower die base is bent, meanwhile, the upper die base moves downwards to drive the cutter to synchronously move downwards to cut off the sheet metal part, so that a good bending effect is ensured, different upper die base and lower die base can be replaced according to different conditions of bending, the lower die base is fixed through two positioning blocks, the upper die base is convenient to detach and fix, meanwhile, the upper die base is connected with the positioning base through the sliding block and is fixed through the positioning bolt, the positioning bolt can be detached, the upper die base can be detached and replaced by pulling out the upper die base from the positioning base, and the operation is simple.

(2) According to the utility model, through arranging the lower transmission frame and the upper transmission frame, a metal plate to be bent can be placed on the lower transmission seat, the upper transmission frame is pushed by the electric push rod to move downwards, so that the upper transmission roller is in contact with the upper surface of the metal plate, the metal plate can be conveyed by the rotation of the lower transmission roller, and meanwhile, the arrangement of the rubber pad can increase the friction force of the contact of the upper transmission roller and the lower transmission roller with the metal plate, so that the stable conveying is ensured, the automatic feeding is realized, and the continuous bending work is facilitated.

Drawings

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

FIG. 2 is a schematic side view of the present invention;

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

fig. 4 is a schematic view of the positioning seat structure of the present invention.

In the figure: 1. a base; 2. a frame; 3. a top seat; 4. a first drive motor; 5. a first drive screw; 6. a second drive screw; 7. a feed screw nut; 8. positioning blocks; 9. a lower die holder; 10. an upper die holder; 11. positioning seats; 12. positioning the bolt; 13. a hydraulic cylinder; 14. a second drive motor; 15. a lower transmission frame; 16. an upper transmission frame; 17. a lower transfer roller; 18. a rotating shaft; 19. a drive chain; 20. a rubber pad; 21. an upper transfer roller; 22. an electric push rod; 23. grooving; 24. a cutter; 25. a slider; 26. a chute; 27. and (7) positioning the holes.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1 to 4, the present invention provides a technical solution: the utility model provides a bending device for sheet metal working, the on-line screen storage device comprises a base 1, a machine support 2, footstock 3, die holder 9 and

upper die base

10, 2 fixed mounting on base 1 of frame, footstock 3 is installed on 2 tops of frame, die holder 9 is located 1 upper ends of base, die holder 9 both sides all are equipped with locating piece 8, two locating

pieces

8 and 1 sliding connection of base, and two locating

pieces

8 and 1 sliding connection of base, upper die base 10 is located directly over die

holder

9, 3 lower surface one sides of footstock are equipped with pneumatic cylinder 13, the extension end fixedly connected with positioning seat 11 of pneumatic cylinder 13, upper die base 10 is connected with

positioning seat

11, 1 upper end one side of base is equipped with down transmission frame 15, transmission frame 15 top is equipped with transmission frame 16 down, transmission frame 15 and the 16 symmetry settings of last transmission frame down.

In this embodiment, specifically: the base 1 internally rotates and is installed first transmission lead screw 5 and second

transmission lead screw

6, 5 one end of first transmission lead screw and 6 one end fixed connection of second transmission lead screw, 6 one end of second transmission lead screw extend to base 1 outside and with base 1 on the output shaft fixed connection of the first driving motor 4 that is equipped with, can utilize the work of first driving motor 4 to drive second transmission lead screw 6 and the synchronous rotation of first transmission lead screw 5, and then can make the screw-nut 7 on first transmission lead screw 5 and the second transmission lead screw 6 remove.

In this embodiment, specifically: the lines on the first transmission screw rod 5 and the second transmission screw rod 6 are reversely arranged, the first transmission screw rod 5 and the second transmission screw rod 6 are respectively provided with a screw rod nut 7, the two screw rod nuts 7 are respectively fixedly connected with the two positioning blocks 8, when the first transmission screw rod 5 and the second transmission screw rod 6 rotate, the two screw rod nuts 7 can move oppositely or reversely, the distance between the two positioning blocks 8 can be adjusted, and the two positioning blocks 8 can be conveniently used for clamping and fixing the lower die holder 9.

In this embodiment, specifically: the positioning seat 11 is provided with a sliding groove 26, the top end of the upper die base 10 is provided with a sliding block 25 matched with the sliding groove 26, one end of the sliding groove 26 is provided with a positioning hole 27, the positioning bolt 12 is installed in the positioning hole 27, the upper die base 10 can be installed in the sliding groove 26 through the sliding block 25, the upper die base 10 is slidably installed on the positioning seat 11, then the positioning bolt 12 can be utilized to penetrate through the positioning hole 27, one end of the sliding groove 26 can be limited, and the sliding block 25 is prevented from moving out of the sliding groove 26.

In this embodiment, specifically: one side of the lower surface of the positioning seat 11 is fixedly provided with a cutter 24, one side of the upper surface of the lower die holder 9 is provided with a cutting groove 23 matched with the cutter 24, and when the positioning seat 11 moves down synchronously along with the lower die holder 9 to perform bending work, the cutter 24 can move down to cut off a sheet metal part formed by bending, so that the sheet metal part after being bent can form an independent individual body and can be taken out from the lower die holder 9 conveniently.

In this embodiment, specifically: be equipped with a plurality of lower transmission rollers 17 on the lower transmission frame 15, a plurality of lower transmission rollers 17 all are connected through pivot 18 and lower transmission frame 15 fixed rotation, all be equipped with the sprocket on a plurality of pivots 18, cut and connect through driving chain 19 between a plurality of pivots 18, be equipped with second driving motor 14 on the lower transmission frame 15, second driving motor 14's output shaft and arbitrary one pivot 18 fixed connection, can utilize second driving motor 14 work to drive arbitrary one pivot 18 and rotate, can drive the sprocket rotation when pivot 18 pivoted, and then can make driving chain 19 rotate, drive a plurality of pivots 18 synchronous rotations through driving chain 19.

In this embodiment, specifically: go up to rotate on the transmission frame 16 and install a plurality of transmission rollers 21 of going up, it is equipped with rubber pad 20 all to encircle on transmission roller 21 and the lower transmission roller 17 to go up, 3 lower surface one side in footstock are equipped with electric push rod 22, electric push rod 22 extend the end and last transmission frame 16 fixed connection, through setting up rubber pad 20, can increase the frictional force of transmission roller 21 and lower transmission roller 17 and panel beating contact, avoid the in-process of carrying to take place great skew, can utilize electric push rod 22 to extend or shrink simultaneously, transmission frame 16's height on the control, adjust the distance between last transmission roller 21 and the lower transmission roller 17, be convenient for carry the panel beating of different thickness.

It should be noted that, in the bending device for sheet metal processing, when working, a sheet metal to be bent can be prevented from being placed on the lower transmission frame 15, then the second driving motor 14 is started to work, the second driving motor 14 is used to work to drive any one of the rotating shafts 18 to rotate, the rotating shaft 18 can drive the chain wheel to rotate while rotating, so as to drive the driving chain 19 to rotate, the driving chain 19 drives the rotating shafts 18 to synchronously rotate, so as to enable the lower transmission rollers 17 to rotate to transmit the sheet metal, the electric push rod 22 can be used to extend and push the upper transmission frame 16 to move downwards while transmitting, so that the upper transmission rollers 21 are in contact with the upper surface of the sheet metal, by arranging the rubber pad 20, the friction force between the upper transmission rollers 21 and the lower transmission rollers 17 and the sheet metal can be increased, the large offset in the transmission process can be avoided, and simultaneously, the upper transmission rollers 21 and the lower transmission rollers 17 can be used to level the sheet metal in the transmission process, the sheet metal is prevented from being bent to influence the bending work, the sheet metal is conveyed to the lower die base 9 by the upper conveying roller 21 and the lower conveying roller 17, the upper die base 10 is pushed to move downwards by the hydraulic cylinder 13 to bend the sheet metal, when the positioning base 11 moves downwards synchronously along with the lower die base 9 to bend the sheet metal, the cutter 24 can move downwards to cut off the sheet metal part formed by bending, so that the bent sheet metal part can form an independent individual body, the sheet metal part can be conveniently taken down from the lower die base 9 to be continuously bent, when the sheet metal needs to be bent in different forms, the lower die base 9 and the upper die base 10 can be replaced, the first driving motor 4 can be used for working, the first driving screw rod 5 and the second driving screw rod 6 are rotated, the two screw rod nuts 7 move backwards, the two positioning blocks 8 are far away from the lower die base 9, and the lower die base 9 can be detached, meanwhile, the positioning bolt 12 can be disassembled, the upper die holder 10 is pulled out of the positioning seat 11 for replacement, and the assembling and disassembling operation is simple, good in flexibility and convenient to use.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The bending device for sheet metal machining is characterized by comprising a base (1), a rack (2), a top seat (3), a lower die seat (9) and an upper die seat (10), wherein the rack (2) is fixedly installed on the base (1), the top seat (3) is installed at the top end of the rack (2), the lower die seat (9) is located at the upper end of the base (1), positioning blocks (8) are arranged on two sides of the lower die seat (9), the two positioning blocks (8) are in sliding connection with the base (1), the upper die seat (10) is located right above the lower die seat (9), a hydraulic cylinder (13) is arranged on one side of the lower surface of the top seat (3), a positioning seat (11) is fixedly connected with an extending end of the hydraulic cylinder (13), the upper die seat (10) is connected with the positioning seat (11), a lower conveying frame (15) is arranged on one side of the upper end of the base (1), an upper transmission frame (16) is arranged above the lower transmission frame (15), and the lower transmission frame (15) and the upper transmission frame (16) are symmetrically arranged.

2. The bending device for sheet metal working according to claim 1, characterized in that: base (1) internal rotation installs first transmission lead screw (5) and second transmission lead screw (6), first transmission lead screw (5) one end and second transmission lead screw (6) one end fixed connection, second transmission lead screw (6) one end extend to base (1) outside and with base (1) on the output shaft fixed connection of the first driving motor (4) that is equipped with.

3. The bending device for sheet metal working according to claim 2, characterized in that: the grain on the first transmission screw rod (5) and the second transmission screw rod (6) is reversely arranged, the first transmission screw rod (5) and the second transmission screw rod (6) are respectively provided with a screw rod nut (7), and the two screw rod nuts (7) are respectively fixedly connected with the two positioning blocks (8).

4. The bending device for sheet metal working according to claim 1, wherein: the positioning device is characterized in that a sliding groove (26) is formed in the positioning seat (11), a sliding block (25) matched with the sliding groove (26) is arranged at the top end of the upper die base (10), a positioning hole (27) is formed in one end of the sliding groove (26), and a positioning bolt (12) is installed in the positioning hole (27).

5. The bending device for sheet metal working according to claim 4, wherein: a cutter (24) is fixedly mounted on one side of the lower surface of the positioning seat (11), and a cutting groove (23) matched with the cutter (24) is formed in one side of the upper surface of the lower die holder (9).

6. The bending device for sheet metal working according to claim 1, characterized in that: be equipped with a plurality of lower transmission roller (17) on lower transmission frame (15), it is a plurality of lower transmission roller (17) all rotate with lower transmission frame (15) fixed rotation through pivot (18) and are connected, a plurality of all be equipped with the sprocket on pivot (18), cut a plurality of connect through driving chain (19) between pivot (18), be equipped with second driving motor (14) down on transmission frame (15), the output shaft and arbitrary pivot (18) fixed connection of second driving motor (14).

7. The bending device for sheet metal working according to claim 6, characterized in that: go up to rotate on transmission frame (16) and install a plurality of transmission roller (21) of going up, all encircle on last transmission roller (21) and lower transmission roller (17) and be equipped with rubber pad (20), footstock (3) lower surface one side is equipped with electric push rod (22), the extension end and last transmission frame (16) fixed connection of electric push rod (22).