CN2875643Y - Four roller plate bending machine - Google Patents

Abstract

A four-roller bending machine includes an upper roller, a lower roller, a side roller, a lower support roller, a frame, a drive and a transmission device. The right end of the upper roller is connected with a drive device of a cycloidal needle wheel decelerator; a worm gear lifting device is arranged inside the frame at two sides under the lower roller; the hydraulic cylinders are arranged at both ends of the two side rollers presenting a Lambada shape by side-glance and exposing out of the frame; a hydraulic cylinder is connected below the lower support roller; a disc spring is arranged over the right frame. As the side roller cylinder is externally arranged, the utility model has a convenient installation and maintenance for the whole machine compared with before, solves the problem of inclination roller body because of oil leakage out of the cylinder to a large extent; compared with the machine with the same type, the utility model has a lower height and a narrower width of the bottom disc, and reduces the cost; the appearance of the machine is light and simple and the good feeling to the shape is reinforced.

Description

A kind of four-roll plate bending machine

Technical field

The utility model relates to a kind of metal forming machinery, and is concrete relevant with four-roll plate bending machine.

Background technology

At present the four-roll plate bending machine made of each producer has plenty of all-hydraulic structure, also has plenty of full mechanical, and force transmission mechanism all is to be enclosed in frame inside, or the lifting synchronization accuracy is poor, following roller oil cylinder structure; Pre-bending power is difficult to soft readjustment, as side roller bevel gear or worm and gear transmission.And all there are problems such as mounting or dismounting maintenance difficult, profile heaviness.

Summary of the invention

In order to solve the problem that existing product exists, the utility model provides a kind of four-roll plate bending machine, and it adopts the type of drive of machine liquid combination, and the side roller oil cylinder is external, and the height and the weight of machinery greatly reduce, and external form is lightly succinctly attractive in appearance.

In order to achieve the above object, the technical solution of the utility model is, a kind of four-roll plate bending machine, comprise top roll, lower roll, side roller, lower support roller, frame, driving and transmission device, it is characterized in that: the cycloidal planetary gear speed reducer drive unit is equipped with in described top roll right-hand member connection, connect in the below machine frame at two sides of described lower roll the worm and gear lowering or hoisting gear is housed, roller two, described both sides connects is equipped with hydraulic jack, side-looking is splayed and is exposed to outside the fuselage, hydraulic jack is equipped with in the following connection of described lower support roller, and the dish spring is equipped with in the top of right frame.

The beneficial effects of the utility model are:

1, because the side roller oil cylinder is external, whole machine installation and maintenance are convenient than before, have solved the problem that causes the body of roll to tilt because of the oil cylinder leakage of oil to a great extent;

2, the similar than before type height of this type greatly reduces, and chassis width narrows down, and has reduced the cost cost;

3, this machine outer type is lightly succinct, has strengthened the fuselage appearance its aesthetic appearance.

Description of drawings

Fig. 1 is the utility model schematic side view.

Fig. 2 is that the utility model master looks schematic diagram.

Fig. 3 is the utility model schematic top plan view.

The specific embodiment

Below in conjunction with accompanying drawing the utility model is further specified.As shown in Figure 1 to Figure 3, the utility model discloses a kind of four-roll plate bending machine, comprise top roll 1, lower roll 2, side roller 3, lower support roller 4, frame 5, driving and transmission device, cycloidal planetary gear speed reducer drive unit 6 is equipped with in the right-hand member connection of described top roll 1, connect in the below machine frame at two sides of described lower roll 2 worm and gear lowering or hoisting gear 7 is housed, roller two, described both sides connects is equipped with hydraulic jack 8, side-looking is splayed and is exposed to outside the fuselage, hydraulic jack is equipped with in the following connection of described lower support roller, and the dish spring is equipped with in the top of right frame.

This machine is taked machine liquid combination, and lower roll provides pre-clamping force by the worm and gear lifting, and lower support roller cylinder provides further clamping force and supports lower roll and reduces rigid deformation; The side roller oil cylinder is external, in pre-bending and asymmetric volume bowlder adjustable in pressure, has reduced whole fuselage significantly; Top roll is driven by cycloidal planetary gear speed reducer, provides equilibrant force by forming whole dish spring mechanism with frame during overturning.

Claims (1)

1, a kind of four-roll plate bending machine, comprise top roll, lower roll, side roller, lower support roller, frame, driving and transmission device, it is characterized in that: the cycloidal planetary gear speed reducer drive unit is equipped with in described top roll right-hand member connection, connect in the below machine frame at two sides of described lower roll the worm and gear lowering or hoisting gear is housed, roller two, described both sides connects is equipped with hydraulic jack, side-looking is splayed and is exposed to outside the fuselage, and hydraulic jack is equipped with in the following connection of described lower support roller, and the dish spring is equipped with in the top of right frame.

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