CN201848457U - Long semicircular workpiece rolling machine - Google Patents

Abstract

The utility model discloses a long semicircular workpiece rolling machine which is mainly characterized in that: a lower roll and an adjustment device are arranged on a lathe bed; the lower roll is arranged on the lathe bed through lower roll bearing seats at two ends of the lower roll; a lower backup roll is arranged on an adjustment device and used for supporting the lower roll; one end of the lower roll is connected with a power device through a transmission shaft; a rack is arranged at two sides of the lathe bed; the lower end of the rack is connected with the lathe bed and the top end of the rack is stably connected with a connection beam; an oil cylinder is arranged at the upper end of the rack at the two sides; a piston rod of the oil cylinder is connected with two ends of an upper beam through a hinge support; an auxiliary beam is connected below the upper beam, and the section of the auxiliary beam is shaped like J or a channel steel; an upper roll is arranged below the auxiliary beam; and an upper backup roll and an upper roll caliper are arranged at intervals along the length direction of the upper roll. When the long semicircular workpiece rolling machine is used for rolling a semicircular workpiece, through the auxiliary beam which is shaped like J or the channel steel, the workpiece can be prevented from being interfered in the rolling process, therefore, the problem that the semicircular workpiece with small radius is difficult to be rolled by the rolling machine is solved; moreover, the auxiliary beam can be replaced to roll the workpieces of different types, so that the long semicircular workpiece rolling machine can play a role in realizing more purposes.

Description

A long semicircular workpiece plate rolling machine

technical field

The utility model relates to a forging equipment used for processing metal plates, in particular to a plate rolling machine for long semicircular workpieces. the

Background technique

For the circular suspender of the existing crane back, one part of the workpiece is an arc segment, the radius of which is small, and the length direction is long. Its processing is generally made into a semicircle by a bending machine. This method is time-consuming and laborious, and The processed workpiece is also not standardized. However, due to the small diameter and length of about ten meters, it is impossible to roll with a conventional plate rolling machine. Ordinary plate rolling machines with beams cannot be rolled due to the interference between the workpiece and the beam body. How to roll a long semicircular workpiece with a plate rolling machine is a technical problem that needs to be solved at present. the

Utility model content

In view of the above problems, the purpose of this utility model is to provide a plate rolling machine for long semicircular workpieces. the

The purpose of this utility model is achieved in this way: a long semicircular workpiece plate rolling machine, including: a lower roller and an adjustment device are installed on the bed, the lower roller is installed on the bed through the lower roller bearing seats at both ends, and the lower support roller Installed on the adjustment device and supports the lower roller, one end of the lower roller is connected with the power device through the transmission shaft;

Frames are installed on both sides of the bed; the lower end of the frame is connected to the bed, and the top is connected firmly by a connecting beam; the upper ends of the frames on both sides are installed with oil cylinders; the piston rod of the oil cylinder is connected to both ends of the upper beam through hinge supports;

It is characterized in that: an attached beam is connected under the upper beam, and the section of the attached beam is in the shape of "J" or channel steel; the upper roller is installed under the attached beam, and the upper supporting roller and the upper roller are installed at intervals along the length direction of the upper roller calipers. the

The purpose of this utility model can also be achieved like this: the upper beam and the attached beam are an integral beam with a cross-section that is "J"-shaped or channel-shaped. the

The adjustment device is composed of a screw, a nut, a lower slanting iron and an upper slanting iron. The screw is connected with a motor or a hand wheel is installed, and the adjustment is electric or manual. the

The power device is composed of two electric motors, two reducers and two brakes, and the two lower rollers are driven by double drive. the

Displacement measuring devices are installed on both sides of the frame. the

The utility model has the following beneficial effects: when rolling a semi-circular arc workpiece, the attached beam in the form of a "J" or channel steel can prevent the workpiece from interfering in the rolling process, and solve the problem of semi-circular workpieces with small radius. Rolling puzzles with a plate rolling machine. In addition, the additional beam can also be replaced to roll different types of workpieces, so as to achieve the purpose of one machine with multiple functions. the

Further description below in conjunction with accompanying drawings. the

Description of drawings

Figure 1: Schematic diagram of the machine structure

Figure 2: It is the left view of Figure 1

Figure 3: A schematic diagram of the section along A-A in Figure 1

Figure 4(a): front view of the attached beam; (b) sectional view along B-B

Figure 5: Schematic diagram of the structure of the upper roller caliper

Figure 6: (a) is a schematic diagram of the structure of the lower support roller; (b) the installation position diagram of the lower support roller

Figure 7: Schematic diagram of the adjustment device

Figure 8: (a) is the front view of the upper support roller; (b) the left view of the upper support roller

Country 9: Schematic diagram of bed structure

Figure 10: Schematic diagram of the structure of the lower roller

Figure 11: Schematic diagram of the structure of the upper roller

Figure 12: Schematic diagram of the connection structure of the attached beam, upper roller and support roller

Figure 13: Schematic diagram of the utility model looking down on the structure

The components in the figure are numbered as follows:

Upper beam 1, frame 2, lower roller 3, upper roller 4, upper support roller 5, lower support roller 6, attached beam 7, bed 8, adjustment device 9, upper roller caliper 10, transmission shaft 11, power unit 12 , connecting beam 13, lower roller bearing seat 14, upper roller bearing seat 15, oil cylinder 16, workpiece 17;

The upper support roller 5 includes: an upper support seat 5.1, an upper support roller body 5.2;

The lower support roller 6 includes: the lower support roller end cover 6.1, the lower support roller body 6.2, the lower support roller bearing 6.3, the lower support roller seat 6.4, and the lower support roller shaft 6.5;

The adjustment device 9 includes: motor 9.1, screw rod 9.2, nut 9.3, lower inclined iron 9.4, upper inclined iron 9.5;

The specific embodiment

As shown in the figure, the utility model includes: a lower roller 3 and an adjustment device 9 are installed on the bed 8, the lower roller 3 is installed on the bed 8 through the lower roller bearing housings 14 at both ends, and the lower support roller 6 is installed on the adjustment device 9 and supports the lower roller 3, and one end of the lower roller 3 is connected with the power unit 12 through the transmission shaft 11;

Frames 2 are installed on both sides of the bed 8; the lower end of the frame 2 is connected with the bed 8, and the top is connected with a connecting beam 13 firmly; the upper ends of the frame 2 on both sides are equipped with an oil cylinder 16; the piston rod of the oil cylinder 16 is connected to the The two ends of the upper beam 1 are connected;

Attached beam 7 is also connected under the upper beam 1, the section of the attached beam 7 is "J" shape or channel steel shape; the upper roller 4 is installed under the attached beam 7, and the upper support roller 5 is installed at intervals along the length direction of the upper roller 4 and upper roller calipers 10. The attached beams 7 of "J shape" and "channel steel type" are suitable for segmented and twice rolled forming. First roll a 90-degree arc and then another 90-degree arc. Attached beam 7 can be made in sections. the

The upper beam 1 and the attached beam 7 can be made into a cross-section that is a "J"-shaped or channel steel-shaped integral beam according to the situation. the

Adjusting device 9 is made up of leading screw 9.2, nut 9.3, lower inclined iron 9.4 and upper inclined iron 9.5, and leading screw 9.2 connects motor 9.1 or installs handwheel, adopts electric or manual regulation. the

The power unit 12 is made up of two electric motors, two speed reducers and two brakes, and adopts a double-drive form to drive the two lower rollers 3 to run. the

In addition, displacement measuring devices can also be installed on both sides of the rack 2 . the

The structure of each part is described in detail below

The upper beam 1 is a steel plate weldment, which is one of the main stress-bearing parts of the machine. The two ends of the upper beam 1 are connected with the piston rods of the oil cylinders on both sides through hinge supports, and the lower side is connected with the attached beam through fasteners. The upper beam 1 moves up and down through the oil cylinder in the two racks to complete the task of rolling the workpiece. the

The bed 8 is a welded piece of steel plate, which is one of the main stress-bearing parts of the machine. The frame is installed on both sides of the bed 8, the lower roller device and the lower support roller adjustment device 9 are installed on the upper plane, and the lower support roller 6 is installed on the adjustment device 9 Go up and support the lower roller 3 above it. the

The connecting beam 13 is a steel plate welded structure, which connects the frame 2 on both sides and plays the role of stabilizing the machine. the

The lower roller device is made up of two lower rollers 3, lower roller chocks 14, bearings, etc. The lower roller chocks 14 are installed on the bed 8, and the lower rollers 3 are connected with the power unit 12 through the transmission shaft 11. When the machine is symmetrical, the lower roller 3 is fixedly installed on the bed 8; when the machine is a horizontally moving machine, the lower roller 3 can move in the guide groove. the

The cross-sectional shape of the attached beam 7 is "J" or the cross-sectional shape of channel steel. It is connected to the upper beam 1, and the upper roller 4, the upper support roller 5, and the upper roller caliper 10 are installed on the lower part. The "concave" shape of the middle working part is to avoid interference with the workpiece when rolling a semicircular workpiece. It can be installed with or without rails. the

The upper roller 4 is composed of upper roller body, bearing housing, bearing, etc. The upper roller 4 is a slender shaft-shaped part, and its two ends are installed on the two ends of the attached beam 7 through bearing housings and bearings. The middle droops seriously, so it needs to adopt Other methods are used to prevent it from sagging, and it is necessary to install additional support rollers 5 in the middle section when rolling workpieces. the

The upper roll caliper 10 is set to prevent the upper roll 4 from sagging. Its upper end is installed on the attachment beam 7, and its lower end supports the upper roll 4 from drooping. At the same time, the lower end of the upper roll can be exposed, which does not affect the rolling function of the upper roll 4. . the

The upper support roller 5 is composed of an upper support roller seat 5.1, an upper support roller body 5.2, etc., and is installed on the attached beam 7. The upper support roller 5 supports the upper roller 4, and the force of the workpiece acts on the upper roller 4 during rolling, and then Pass to upper support roller 5, pass power to attached beam 7 by it, and attached beam 7 passes power to upper beam 1 again. the

The lower support roller 6 is composed of the lower support roller end cover 6.1, the lower support roller body 6.2, the lower support roller bearing 6.3, the lower support roller seat 6.4, the lower support roller shaft 6.5, etc. The lower support roller seat 6.4 is installed on the adjustment device 9, When the machine is a symmetrical plate bending machine, the lower support roller seat 6.4 is tightly installed on the adjustment device 9, and the lower support roller 6 moves up and down on the adjustment device. When the lower roller 4 was a machine that moved horizontally, the lower support roller 6 was installed in the chute of the adjusting device, and the lower support roller 6 could also move horizontally in the chute. the

The adjustment device 9 has the function of adjusting the deflection of the lower roller 3, and is an indispensable part for the quality assurance of the coil. It is composed of a motor 9.1, a screw 9.2, a nut 9.3, a lower inclined iron 9.4, an upper inclined iron 9.5, etc. The adjustment can be decelerated by the motor The machine can also be manually operated by the handle. The adjustment device 9 is installed on the bed 8, and the lower support roller 6 is installed on it. Its function is to adjust the upper and lower positions of the lower support roller 6 according to the material and thickness of the rolled steel plate, thereby adjusting the deflection of the lower roller and compensating the bed. Body 8 is deformed due to stress, thereby ensuring the rolling quality of the radius of the workpiece everywhere. the

The adjustment device 9 can be equipped with a displacement sensor to display the adjustment range through a computer or a digital display, or to realize automatic control. the

The frame 2 is a steel plate welded structure, the lower end is connected with the bed 8, and the upper end is connected with the oil cylinder, which is the main stress-bearing part of the machine. the

The power unit 12 is mainly made up of two electric motors, two speed reducers and two brakes. The two lower rolls 3 are driven to run in the form of double drives, which effectively eliminates the mechanical interference between the plate and the two lower work rolls during the rolling process. The motor is a YZR high-slip metallurgical hoisting motor, which is suitable for the frequent start-up of the equipment. And forward and reverse, the brake can accurately stop, the reducer is a standard type reducer with hard tooth surface, good quality, high efficiency, low noise, and large carrying capacity. the

The drive mode of power unit 12 also can adopt hydraulic drive mechanism to finish. the

work process:

One end of the steel plate workpiece 17 is put in, the oil cylinder 16 drives the upper beam 1 to drive the attached beam 7 and the upper roller 4 to press down, the power device 12 drives the lower roller 3 through the transmission shaft 11, and the arc section greater than 90 degrees is rolled. Among them, the lower support roller 6 adjusts its height through the adjusting device 9 to ensure its rolling quality. After the workpiece 17 is formed, the workpiece is taken out, turned 180 degrees, and the other end is rolled to complete the workpiece production. The upper roll 4 is pressed down with a digital display device, and the rolling process has a steel plate (workpiece) walking sensor. the

The lower end of the bed 8 is equipped with a block of pulleys for changing the attached beam and so that the attached beam can be replaced. the

Claims (5)

1. A long semicircular workpiece plate rolling machine, comprising: a lower roller (3) and an adjustment device (9) are installed on the bed (8), and the lower roller (3) is installed through the lower roller bearing housings (14) at both ends On the bed (8), the lower support roller (6) is installed on the adjustment device (9) and supports the lower roller (3), and one end of the lower roller (3) is connected with the power unit (12) through the transmission shaft (11) ; Frames (2) are installed on both sides of the bed (8); the lower end of the frame (2) is connected with the bed (8), and the top is connected with a connecting beam (13) firmly; the upper ends of the frames (2) on both sides are installed with Oil cylinder (16); the piston rod of oil cylinder (16) is connected with the two ends of upper beam (1) by hinge support; It is characterized in that: an attached beam (7) is connected under the upper beam (1), and the section of the attached beam (7) is in the shape of a "J" or channel steel; an upper roller (4) is installed under the attached beam (7), And the upper supporting roller (5) and the upper roller caliper (10) are installed at intervals along the length direction of the upper roller (4). 2. The plate rolling machine for long semicircular workpieces according to claim 1, characterized in that: the upper beam (1) and the attached beam (7) are an integral cross beam with a "J" shape or a channel steel shape in section. 3. The long semicircular workpiece plate bending machine according to claim 1, characterized in that: the adjustment device (9) consists of a screw (9.2), a nut (9.3), a lower inclined iron (9.4) and an upper inclined iron (9.5 ), the lead screw (9.2) is connected to the motor (9.1) or a hand wheel is installed, and electric or manual adjustment is adopted. 4. The plate rolling machine for long semicircular workpieces according to claim 1, characterized in that: the power device (12) is composed of two motors, two reducers and two brakes, and the two lower rollers are driven by double drives (3) Operation. 5. The long semicircular workpiece plate rolling machine according to claim 1, 2, 3 or 4, characterized in that displacement measuring devices are installed on both sides of the frame (2).

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