CN113926851A

CN113926851A - Sheet metal part roll forming device

Info

Publication number: CN113926851A
Application number: CN202111192004.0A
Authority: CN
Inventors: 曾玉华
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-13
Filing date: 2021-10-13
Publication date: 2022-01-14

Abstract

The invention discloses a sheet metal part roll forming device, which comprises a roll extension mechanism, wherein the roll extension mechanism is arranged on a power mechanism and can rotate under the driving of the power mechanism, a first roll and a second roll in the roll extension mechanism can be axially extended while rotating, the first roll and the second roll are used for changing the width of a rolled part so as to roll irregular grooves with different widths, an auxiliary mechanism is correspondingly arranged on a shell, the auxiliary mechanism and the power mechanism are arranged on the shell, sheet metal parts with different cross sections can be processed, each roll station is coaxially provided with two rolls, the two rolls can move towards two sides so as to enlarge the cross section of a sheet metal part groove, and when the rolls move, the metal plates can not fold through the friction force between the rolls and the metal plates, and the rolls pass through a plurality of roll stations, the sheet metal part can be well characterized.

Description

Sheet metal part roll forming device

Technical Field

The invention belongs to the field of sheet metal processing, and particularly relates to a sheet metal part roll forming device.

Background

Roll forming refers to a process of continuously forming metal from a thin plate, a strip material to a coil material, wherein the metal is deformed into a predetermined shape when passing through the rolls, so as to achieve the purpose of roll forming, most of the forming roll forming processes gradually process a blank by two or more roll stations until a finished product shape is produced, but the existing roll forming technology can only process uniform cross section shapes, and is difficult to process relative to sheet metal parts with different cross section sizes.

Disclosure of Invention

The invention aims to provide a sheet metal part roll forming device, which solves the problem that sheet metal parts with different cross sections are difficult to machine in the prior art.

The technical purpose of the invention is realized by the following technical scheme.

The invention relates to a sheet metal part roll forming device which comprises a roll extension mechanism, wherein the roll extension mechanism is arranged on a power mechanism and can rotate under the driving of the power mechanism, a first roll and a second roll in the roll extension mechanism can be axially extended while rotating, the width of a rolled part is changed, so that irregular grooves with different widths are rolled, an auxiliary mechanism is correspondingly arranged with the roll extension mechanism, and the auxiliary mechanism and the power mechanism are arranged on a shell;

the roller extension mechanism comprises a connecting block fixed in the hollow shaft, two telescopic cylinders are fixedly arranged on the connecting block, the two telescopic cylinders are symmetrical relative to the connecting block, piston rods are arranged in the two telescopic cylinders, two connecting rods are fixedly arranged on the two piston rods, a second roller is fixedly arranged on one group of the connecting rods, and a first roller is fixedly arranged on the other group of the connecting rods.

Preferably, the auxiliary mechanism comprises a rotating shaft rotatably connected in the housing, an auxiliary roller is fixedly arranged on the rotating shaft, two side blocks are slidably arranged on the auxiliary roller, the two side blocks are symmetrical with respect to the connecting block, and the two side blocks are connected to the inner wall of the housing through two pressure return springs.

Preferably, the power mechanism comprises a motor fixed in the housing, the motor is rotatably provided with the hollow shaft, the other end of the hollow shaft is rotatably arranged on one side of the housing far away from the motor, the hollow shaft is fixedly provided with a driving gear close to the motor end, and the driving gear is in meshing connection with a driven gear.

Preferably, the two connecting rods of each set are symmetrical about the piston rod.

Preferably, the first roller and the second roller are sleeved on the hollow shaft in a sliding manner.

Preferably, the pressure return spring on each side block is symmetrical about the axis of rotation.

Preferably, the driven gear is fixed to the rotating shaft, and the driven gear is located at one end of the rotating shaft close to the motor.

Preferably, the sheet metal part forming machine comprises a plurality of roller extension mechanisms, auxiliary mechanisms and power mechanisms, the diameters of the first roller and the second roller are gradually increased, the diameters of the auxiliary rollers and the inner diameters of the side blocks are gradually reduced, the outer diameters of the side blocks are always unchanged, the sheet metal part is gradually deformed, and springback is prevented.

In conclusion, the invention has the following beneficial effects: the sheet metal part processing device can process sheet metal parts with different cross sections, each roller station is coaxially provided with two rollers, the two rollers can move towards two sides to enlarge the cross section of a sheet metal part groove, and when the rollers move, the rollers can ensure that the sheet metal parts cannot be folded through friction force between the rollers and the sheet metal parts, and the sheet metal parts can be well qualified through rolling of the plurality of roller stations.

Drawings

In order to more clearly illustrate the embodiments of the 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, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of the embodiment of the present invention in the direction of A-A in FIG. 1;

FIG. 3 is a schematic view of the embodiment of the present invention in the direction B-B in FIG. 1;

FIG. 4 is an enlarged schematic view of the embodiment of the present invention at C in FIG. 3.

Detailed Description

The sheet metal part roll forming device described with reference to fig. 1-4 includes a roll extension mechanism 51, wherein the roll extension mechanism 51 is disposed on the power mechanism 50, and can be driven by the power mechanism 50 to rotate, and when the roll extension mechanism 51 rotates, the first roll 19 and the second roll 24 in the roll extension mechanism 51 can be axially extended to change the width of the rolled part, so as to roll the irregular groove with different widths, and an auxiliary mechanism 52 is disposed corresponding to the roll extension mechanism 51, and the auxiliary mechanism 52 and the power mechanism 50 are disposed on the housing 10;

the roller extension mechanism 51 comprises a connecting block 20 fixed in a hollow shaft 22, two telescopic cylinders 21 are fixedly arranged on the connecting block 20, the two telescopic cylinders 21 are symmetrical relative to the connecting block 20, piston rods 23 are arranged in the two telescopic cylinders 21, two connecting rods 17 are fixedly arranged on the piston rods 23, a second roller 24 is fixedly arranged on one group of the connecting rods 17, and a first roller 19 is fixedly arranged on the other group of the connecting rods 17.

Advantageously, the auxiliary mechanism 52 comprises a rotating shaft 14 rotatably connected inside the casing 10, an auxiliary roller 12 is fixedly arranged on the rotating shaft 14, two side blocks 15 are slidably arranged on the auxiliary roller 12, the two side blocks 15 are symmetrical with respect to the connecting block 20, and the two side blocks 15 are both connected to the inner wall of the casing through two pressure return springs 11.

Advantageously, the power mechanism 50 includes a motor 18 fixed in the housing 10, the motor 18 is rotatably provided with the hollow shaft 22, the other end of the hollow shaft 22 is rotatably provided on a side of the housing 10 away from the motor 18, the hollow shaft 22 is fixedly provided with a driving gear 16 near the motor 18, and the driving gear 16 is in meshing connection with a driven gear 13.

Advantageously, both of said connecting rods 17 of each group are symmetrical with respect to said piston rod 23.

Advantageously, the first roller 19 and the second roller 24 are slidably fitted on the hollow shaft 22.

Advantageously, the pressure return spring 11 on each of the lateral blocks 15 is symmetrical with respect to the rotation axis 14.

Advantageously, the driven gear 13 is fixed to the rotating shaft 14, and the driven gear 13 is located at one end of the rotating shaft 14 close to the motor 18.

Advantageously, the invention comprises a plurality of roller extension mechanisms 51, auxiliary mechanisms 52 and power mechanisms 20, the diameters of the first roller 19 and the second roller 24 are gradually increased, the diameter of the auxiliary roller 12 and the inner diameter of the side block 15 are gradually reduced, and the outer diameter of the side block 15 is always unchanged, so that the sheet metal part is gradually deformed, and springback is prevented.

The use method of the invention comprises the following steps:

in the initial state, both piston rods 23 are retracted in the telescopic cylinder 21, and the pressure return spring 11 is in a normal state.

Starting all the motors 18 to drive the hollow shaft 22 and the driving gear 16 to rotate, the hollow shaft 22 drives the first roller 19 and the second roller 24 to rotate, meanwhile, the driving gear 16 drives the rotating shaft 14 to rotate through the driven gear 13, the rotating shaft 14 drives the auxiliary roller 12 to rotate, a metal plate is put into from one side of the first roller 19 and the second roller 24 with the smallest diameter, so that the first roller 19, the second roller 24 and the auxiliary roller 12 roll the metal plate, when the first roller 19 and the second roller 24 roll the metal plate, the piston rod 22 is slowly extended out of the telescopic cylinder 21 to drive the first roller 19 and the second roller 24 to move towards the side close to the shell 10, the width of the rolled metal plate groove is increased, meanwhile, the metal plate presses the side edge block 15 to move towards the side close to the shell 10, the pressure return spring 11 is compressed, after the metal plate is rolled and formed for a plurality of times, the piston rod 23 is retracted into the telescopic cylinder 21, the first roller 19 and the second roller 24 are driven to reset, and the pressure reset spring 11 restores to drive the side block 15 to reset.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a sheet metal component roll forming device, includes roll extension mechanism, its characterized in that: the roller extension mechanism is arranged on the power mechanism and can rotate under the driving of the power mechanism, a first roller and a second roller in the roller extension mechanism can be axially extended while rotating, the width of the rolled part is changed, and accordingly irregular grooves with different widths are rolled;

2. The sheet metal member roll forming apparatus of claim 1, wherein: the auxiliary mechanism is connected including rotating the axis of rotation in the shell, the fixed supplementary roller that is equipped with in the axis of rotation, it is equipped with two side pieces, two to slide on the supplementary roller the side piece about the connecting block symmetry, two side pieces all are connected through two pressure reset spring on the shell inner wall.

3. The sheet metal member roll forming apparatus of claim 1, wherein: the power mechanism comprises a motor fixed in the shell, the motor is provided with the hollow shaft in a rotating mode, the other end of the hollow shaft is arranged on one side, far away from the motor, of the shell in a rotating mode, a driving gear is fixedly arranged on the hollow shaft close to the motor end, and the driving gear is connected with a driven gear in a meshed mode.

4. The sheet metal member roll forming apparatus of claim 1, wherein: the two connecting rods of each set are symmetrical about the piston rod.

5. The sheet metal member roll forming apparatus of claim 1, wherein: the first roller and the second roller are sleeved on the hollow shaft in a sliding manner.

6. The sheet metal member roll forming apparatus of claim 2, wherein: the pressure return springs on each of the side blocks are symmetrical about the axis of rotation.

7. The sheet metal member roll forming apparatus of claim 3, wherein: the driven gear is fixed on the rotating shaft, and the driven gear is located at one end, close to the motor, of the rotating shaft.

8. The sheet metal member roll forming apparatus of claim 1, wherein: the invention is composed of a plurality of roller extension mechanisms, auxiliary mechanisms and power mechanisms, and the diameters of the first roller and the second roller are gradually increased, so that the sheet metal part is gradually deformed, and springback is prevented.