CN220497563U

CN220497563U - Lifting pushing mechanism of bending machine

Info

Publication number: CN220497563U
Application number: CN202321869723.6U
Authority: CN
Inventors: 常战杰; 范林科; 申振飞; 朱红莉
Original assignee: Zhejiang Weineng Intelligent Equipment Co ltd
Current assignee: Zhejiang Weineng Intelligent Equipment Co ltd
Priority date: 2023-07-17
Filing date: 2023-07-17
Publication date: 2024-02-20
Anticipated expiration: 2033-07-17

Abstract

The utility model provides a lifting pushing mechanism of a bending machine, which comprises a lathe bed, a pushing track, a driving motor, a base, a driver and a pushing assembly, wherein the whole lathe bed is of a C-shaped structure with an opening at the left side, a horizontal mounting plate is arranged above the bottom wall of the inner side of the opening of the lathe bed, the pushing track is horizontally arranged at the front side of the mounting plate, and a main shaft of the driving motor extends to the lower part of the mounting plate; the lower part of the base is connected with a main shaft of a driving motor through a transmission component, a lifting rail and a driver are arranged on the front side of a vertical plate of the base, the pushing component is in sliding connection with the lifting rail, and the driver is connected with the pushing component and is used for driving the pushing component to move on the lifting rail. According to the utility model, the driving and running modes of the pushing plate are changed, so that the pushing mechanism which is integrally lifted originally is designed into a structure that the pushing plate is lifted independently, and the pushing stroke is unchanged before and after lifting, so that the machine tool has a larger working stroke on the existing structure.

Description

Lifting pushing mechanism of bending machine

Technical Field

The utility model relates to bending equipment, in particular to a lifting pushing mechanism of a bending machine.

Background

With further intellectualization of bending machines, a feeding device with a pushing mechanism is disclosed, for example, in patent CN214078674U (an all-electric servo flanging machine), which is a clamping and rotating feeding device with a pushing mechanism, wherein the pushing mechanism is used for accurately pushing a plate placed on a workbench between an upper clamp and a lower clamp, and then the upper clamp and the lower clamp perform clamping and rotation, so that the automation degree of the bending machine is further improved by the pushing mechanism. The pushing mechanism is driven by a horizontally arranged rodless cylinder, one end of the rodless cylinder is hinged at the opening of the C-shaped portal at the left end of the machine tool, and the other end of the rodless cylinder is provided with a lifting cylinder to enable the rodless cylinder to incline up and down, so that the pushing angle and the pushing height of the pushing plate can be changed through the rodless cylinder, and the pushing mechanism is suitable for processed hemmed products with different positioning heights and shapes and can push the plate more conveniently; in addition, when the processing part of the plate material is changed from a short side to a long side, the push plate can fall down at the moment because the rotation center of the clamping and rotating device is unchanged, and the plate material is prevented from being blocked from rotating. However, in the patent, the height difference between the pushing plate and the rodless cylinder is fixed, when the rodless cylinder is inclined upwards, the pushing plate is inclined leftwards, and the pushing stroke of the machine tool is actually reduced by a certain distance, so that the dimension of a plate workpiece which can be processed by the machine tool is correspondingly reduced, the working stroke of the machine tool is reduced, and the requirement of processing larger workpiece dimension is difficult to meet.

Disclosure of Invention

Aiming at the problems of the background technology, the utility model aims to provide a lifting pushing mechanism of a bending machine, which designs the translation and lifting of a pushing plate into two independent routes by changing the driving mode of the pushing mechanism, and the pushing stroke is unchanged before and after lifting, so that the machine tool has a larger working stroke on the existing structure, and the requirement of processing larger workpiece size can be met.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the lifting pushing mechanism of the bending machine comprises a machine body, a pushing track, a driving motor, a base, a driver and a pushing assembly, wherein the whole machine body is of a C-shaped structure with an opening at the left side, a horizontal mounting plate is arranged above the bottom wall of the inner side of the C-shaped opening of the machine body, the pushing track is horizontally arranged at the front side of the mounting plate, the right end of the pushing track is provided with the driving motor with a vertically downward main shaft, and the main shaft of the driving motor extends to the lower part of the mounting plate; the material pushing rail is connected with a first sliding block in a sliding manner, the front side of the first sliding block is fixedly connected with a base, the base is formed by integrating a horizontal bottom plate and a vertical plate perpendicular to the upper surface of the bottom plate, and the bottom plate is positioned below the mounting plate; the lower part of the base is connected with a main shaft of a driving motor through a transmission component, a lifting rail and a driver are arranged on the front side of a vertical plate of the base, the pushing component is in sliding connection with the lifting rail, and the driver is connected with the pushing component and is used for driving the pushing component to move on the lifting rail.

The transmission assembly comprises a toothed belt, a driven gear and a synchronous rack, the driving gear is arranged on a main shaft of the driving motor, the driven gear is arranged on the left side of the lower portion of the mounting plate, the toothed belt is wound on the driving gear and the driven gear, the synchronous rack is arranged on the inner side of the toothed belt, the synchronous rack is connected with a bottom plate of the base through a connecting plate, the inner side of the toothed belt is meshed with the synchronous rack, and the outer side of the toothed belt is contacted with the bottom plate.

The left end and the right end of the mounting plate are respectively provided with a support plate, the driving motor is mounted on the upper part of the support plate at the right end, and the driven gear is mounted on the lower part of the support plate at the left end.

The mounting plate is connected with the lathe bed through vertical fixed shafts, the number of the fixed shafts is at least two, the upper end of each fixed shaft is fixedly connected with the bottom surface of the mounting plate, and the lower end of each fixed shaft is fixedly connected with the bottom wall of the inner side of the C-shaped opening of the lathe bed.

The pushing assembly comprises a second sliding block, a vertical plate fixedly connected to the second sliding block, a transverse plate fixedly connected to the upper portion of the vertical plate and a pushing plate arranged on the transverse plate, the second sliding block is respectively connected with the lifting rail and the driver, and the transverse plate is located above the mounting plate 7.

The driver is an air cylinder, and a piston rod of the air cylinder is connected with the second sliding block.

The utility model has the beneficial effects that: according to the utility model, the driving and running modes of the pushing plate are changed, so that the pushing mechanism which is integrally lifted originally is designed into a structure that the pushing plate is lifted independently, and the pushing stroke is unchanged before and after lifting, so that the machine tool has a larger working stroke on the existing structure, and the requirement of processing larger workpiece size can be met.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a schematic perspective view of the pushing mechanism with the bed removed.

Fig. 3 is a schematic perspective view of the base, driver and pushing assembly.

Fig. 4 is a schematic perspective view of a base and a pushing assembly.

In the figure: 1. lathe bed, 2, pushing track, 3, driving motor, 4, base, 5, driver, 6, pushing subassembly, 7, mounting panel, 8, first slider, 10, lifting track, 41, bottom plate, 42, riser, 61, second slider, 62, riser, 63, diaphragm, 64, pushing board, 71, fixed axle, 91, toothed belt, 92, driven gear, 93, rack-in-gear, 94, driving gear, 95, connecting plate.

Description of the embodiments

The following description of the embodiments of the present utility model will be made more fully hereinafter with reference to the accompanying drawings, in which it is to be noted that the embodiments described are merely some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-4, a lifting pushing mechanism of a bending machine comprises a machine body 1, a pushing track 2, a driving motor 3, a base 4, a driver 5 and a pushing assembly 6, wherein the whole machine body 1 is of a C-shaped structure with an opening at the left side, a horizontal mounting plate 7 is arranged above the bottom wall of the inner side of the C-shaped opening of the machine body 1, the pushing track 2 is horizontally arranged at the front side of the mounting plate 7, the right end of the pushing track 2 is provided with the driving motor 3 with a vertically downward main shaft, and the main shaft of the driving motor 3 extends to the lower part of the mounting plate; the material pushing track 2 is connected with a first sliding block 8 in a sliding way, the front side of the first sliding block 8 is fixedly connected with a base 4, the base 4 is formed by a horizontal bottom plate 41 and a vertical plate 42 which is vertical to the upper surface of the bottom plate 41, and the bottom plate 41 is positioned below the mounting plate 7; the lower part of the base 4 is connected with a main shaft of the driving motor 3 through a transmission component 9, a lifting rail 10 and a driver 5 are arranged on the front side of a vertical plate 42 of the base 4, the pushing component 6 is slidably connected with the lifting rail 10, and the driver 5 is connected with the pushing component 6 and is used for driving the pushing component 6 to move on the lifting rail 10.

The principle of the utility model is as follows: taking a rectangular plate workpiece as an example, when a flat plate workpiece is placed in a pushing area of a workbench surface through a manual or automatic feeding machine, the pushing plate 64 is lifted to a high position at an initial zero position, the workpiece is pushed to a clamping rotation station of a clamping rotation mechanism, the workpiece is pushed to a bending area together with the clamping rotation mechanism to be positioned, and then the pushing plate 64 falls down to restore the initial zero position; when the bending of the short side of the workpiece is completed and the long side needs to be bent, the workpiece is moved out of the bending area by the clamping and rotating mechanism, and then the workpiece rotates, and before rotating, the falling pushing plate 64 just avoids the rotating motion of the long side of the workpiece; after the rotation is completed, the workpiece is pushed to the bending area again by the clamping and rotating mechanism for positioning. The utility model adopts vertical lifting, so that the pushing stroke is larger than the existing inclined lifting, and the larger working stroke can be obtained on the same size of the lathe bed.

The transmission assembly 9 comprises a toothed belt 91, a driven gear 92, a synchronous rack 93 and a driving gear 94, the driving gear 94 is arranged on the main shaft of the driving motor 3, the driven gear 92 is arranged on the left side of the lower portion of the mounting plate 7, the toothed belt 91 is wound on the driving gear 94 and the driven gear 92, the synchronous rack 93 is mounted on the inner side of the toothed belt 91, the synchronous rack 93 is connected with the bottom plate 41 of the base 4 through a connecting plate 95, the inner side of the toothed belt 91 is meshed with the synchronous rack 93, and the outer side of the toothed belt is contacted with the bottom plate 41. Because of the self-structure requirement of the lathe bed 1, the height space from the bottom wall at the inner side of the C-shaped opening of the existing lathe bed 1 to the workbench surface is very limited, and the independent operation of lifting and translation is realized in the limited height space by installing the transmission component and the bottom plate 41 below the mounting plate 7.

The left end and the right end of the mounting plate 7 are respectively provided with a support plate, the driving motor 3 is arranged on the upper part of the support plate at the right end, and the driven gear 92 is arranged on the lower part of the support plate at the left end.

The mounting plate 7 is connected with the lathe bed 1 through vertical fixing shafts 71, the number of the fixing shafts 71 is at least two, the upper end of each fixing shaft 71 is fixedly connected with the bottom surface of the mounting plate 7, and the lower end of each fixing shaft 71 is fixedly connected with the bottom wall of the inner side of the C-shaped opening of the lathe bed 1. In one embodiment of the present utility model, the upper and lower ends of the fixed shaft 71 are respectively fixed to the mounting plate 7 and the bottom wall of the C-shaped opening of the bed 1 by screws.

The pushing assembly 6 comprises a second sliding block 61, a vertical plate 62 fixedly connected to the second sliding block 61, a transverse plate 63 fixedly connected to the upper portion of the vertical plate 62 and a pushing plate 64 arranged on the transverse plate 63, wherein the second sliding block 61 is respectively connected with the lifting rail 10 and the driver 5, and the transverse plate 63 is positioned above the mounting plate 7. Specifically, the pushing plate 64 is an elastic baffle with a damping structure, and in the technical field of bending machines, the elastic baffle with a damping structure is a well-known technology.

In one embodiment of the present utility model, the driver 5 is a cylinder, the cylinder body of the cylinder is fixed at one end of the front side of the base 4, and the piston rod of the cylinder is connected to the second slider 61. In another embodiment of the utility model, the driver 5 is an electric cylinder.

The utility model is not described in detail in the prior art.

Claims

1. The utility model provides a liftable bender pushing equipment, includes lathe bed (1), pushes away material track (2), driving motor (3), base (4), driver (5) and pushes away material subassembly (6), characterized by: the whole lathe bed (1) is of a C-shaped structure with an opening at the left side, a horizontal mounting plate (7) is arranged above the bottom wall of the inner side of the C-shaped opening of the lathe bed (1), the pushing track (2) is horizontally arranged at the front side of the mounting plate (7), a driving motor (3) with a vertically downward main shaft is arranged at the right end of the pushing track (2), and the main shaft of the driving motor (3) extends to the lower part of the mounting plate; a first sliding block (8) is connected onto the pushing track (2) in a sliding way, a base (4) is fixedly connected to the front side of the first sliding block (8), the base (4) is formed by integrally fixing a horizontal bottom plate (41) and a vertical plate (42) perpendicular to the upper surface of the bottom plate (41), and the bottom plate (41) is positioned below the mounting plate (7); the lower part of the base (4) is connected with a main shaft of the driving motor (3) through a transmission component, a lifting rail (10) and a driver (5) are arranged on the front side of a vertical plate (42) of the base (4), the pushing component (6) is slidably connected with the lifting rail (10), and the driver (5) is connected with the pushing component (6) and is used for driving the pushing component (6) to move on the lifting rail (10).

2. The lifting and lowering bending machine pushing mechanism of claim 1, wherein: the transmission assembly comprises a toothed belt (91), a driven gear (92) and a synchronous rack (93), a driving gear (94) is arranged on a main shaft of the driving motor (3), the driven gear (92) is arranged on the left side of the lower portion of the mounting plate (7), the toothed belt (91) is wound on the driving gear (94) and the driven gear (92), the synchronous rack (93) is arranged on the inner side of the toothed belt (91), the synchronous rack (93) is connected with a bottom plate (41) of the base (4) through a connecting plate (95), the inner side of the toothed belt (91) is meshed with the synchronous rack (93), and the outer side of the toothed belt is contacted with the bottom plate (41).

3. The lifting and lowering bender pushing mechanism of claim 2, wherein: the left end and the right end of the mounting plate (7) are respectively provided with a support plate, the driving motor (3) is arranged on the upper part of the support plate at the right end, and the driven gear (92) is arranged on the lower part of the support plate at the left end.

4. The lifting and lowering bending machine pushing mechanism of claim 1, wherein: the mounting plate (7) is connected with the lathe bed (1) through vertical fixed shafts (71), the number of the fixed shafts (71) is at least two, the upper end of each fixed shaft (71) is fixedly connected with the bottom surface of the mounting plate (7), and the lower end of each fixed shaft is fixedly connected with the bottom wall of the inner side of the C-shaped opening of the lathe bed (1).

5. The lifting and lowering bending machine pushing mechanism of claim 1, wherein: the pushing assembly (6) comprises a second sliding block (61), a vertical plate (62) fixedly connected to the second sliding block (61), a transverse plate (63) fixedly connected to the upper portion of the vertical plate (62) and a pushing plate (64) arranged on the transverse plate (63), the second sliding block (61) is respectively connected with the lifting rail (10) and the driver (5), and the transverse plate (63) is located above the mounting plate (7).

6. The lifting and lowering bending machine pushing mechanism of claim 5, wherein: the driver (5) is an air cylinder, and a piston rod of the air cylinder is connected with the second sliding block (61).