WO2020211224A1

WO2020211224A1 - Irregularly-shaped piece plate rolling machine

Info

Publication number: WO2020211224A1
Application number: PCT/CN2019/100295
Authority: WO
Inventors: 王北兴; 焦建民
Original assignee: 陕西纽兰德实业有限公司
Priority date: 2019-04-18
Filing date: 2019-08-13
Publication date: 2020-10-22
Also published as: CN109954771B; CN109954771A

Abstract

Disclosed is an irregularly-shaped piece plate rolling machine, comprising a base; machine A and machine B provided opposite on the upper surface of the base. Machine B can move horizontally to adjust the distance between it and machine A. Machine A and machine B are structurally identical, both comprising a machine body. Sequentially provided at the upper part on the inside of the machine body are a pre-bending system, a compressing system, and a forming system, the three systems are arranged on a same vertical surface and sequentially at 0-30° angles, where the compressing system is vertically provided; a main shaft is horizontally provided directly below the compressing system. The plate rolling machine of the present invention is capable of accomplishing the rolling of a workpiece of which the diameter is 100-500 mm and the length is 100 mm or more. This is specifically applicable in the rolling of a centralizer and is highly efficient, quick, and precise.

Description

Special-shaped piece rolling machine

Technical field

The invention belongs to the technical field of mechanical processing equipment, and specifically relates to a plate rolling machine for special-shaped parts.

Background technique

The plate rolling machine is also called the round machine or the tube rolling machine; the ordinary manual three-roller rolling machine has been replaced by the CNC precision four-roller rolling machine. The CNC four-roller plate bending machine is almost perfect, which can realize precision rolling of O-shaped, U-shaped and multi-R-shaped workpieces, but can not roll special-shaped workpieces, such as spindle, waist drum, dumbbell, etc.

At present, the rolling of the elastic centralizer, which is one of the petroleum cementing aids, is a big problem; the process method for rolling such products in the industry is generally to use a special molding die and gradually press it on a press; its process Simple and inefficient. The rolling of special-shaped cylinders is a problem in the industry, especially the middle section has obstacles, which cannot be achieved with the existing plate rolling machine.

Summary of the invention

The purpose of the present invention is to provide a special-shaped plate rolling machine, which solves the problem that the numerical control plate rolling machine in the prior art cannot roll special-shaped parts.

The technical scheme adopted by the present invention is a special-shaped plate rolling machine, including a base; the upper surface of the base is provided with a machine A and a machine B; the machine B can be moved horizontally to adjust the distance between it and the machine A; Machine A and Machine B have the same structure, and both include the machine body; the upper part of the inner side of the machine body is provided with a pre-bending system, a pressing system and a forming system. The three systems are located on the same vertical plane and form an angle of 0-30°. The tightening system is arranged vertically; the main shaft is arranged horizontally directly below the pressing system; the front guide disc and the rear guide disc are symmetrically arranged on both sides of one end of the main shaft; both the front guide disc and the rear guide disc are fixedly connected to the inside of the body.

The features of the present invention are:

The setting method of the A machine is that the upper surface of the base is fixed to the connecting base a, and the upper surface of the connecting base a is fixed to the lower surface of the body.

The setting method of the B machine is as follows: a guide rail is horizontally arranged on the upper surface of the base, and a slider is arranged in the guide rail; the upper surface of the slider is fixed to the lower surface of the connecting seat b; the upper surface of the connecting seat b is fixed to the lower surface of the body; the connecting seat b Both sides are fixedly connected to the upper part of the connecting frame; the lower part of the connecting frame is fixedly connected to the piston extension end of the horizontally arranged oil cylinder a; the oil cylinder a is horizontally arranged in the base.

The compression system includes an oil cylinder b fixed on the upper surface of the machine body. The piston protruding end of the oil cylinder b is fixedly connected to the top of the roller frame; the bottom end of the roller frame is fixedly connected to both ends of a horizontally arranged roller shaft; and the roller shaft is sheathed with several rollers.

The structure of the pre-bending system, the pressing system and the forming system are the same; the oil cylinders in the three systems have an angle of 0-30°; the center of the roller shaft and the center of the main shaft in the pressing system are on the same vertical line.

In the three systems, guide blocks are provided on both sides of the roller frame to limit the rollers to only move in the radial direction; the guide blocks are fixed on the inside of the machine body.

The main shaft is arranged in such a way that the main shaft penetrates from the outside to the inside of the machine body and is connected to the machine body through a bearing; the end of the main shaft away from the front guide plate is fixedly connected to the output end of the motor; the roller shaft is parallel to the main shaft.

The oil cylinder a, the oil cylinder b, and the motor are all electrically connected to the control system.

The beneficial effects of the present invention are: the plate rolling machine of the present invention adopts two horizontal half-shaft four-roller numerical control machines symmetrically arranged to realize the two ends rolling and the middle section is empty; the servo motor control is used to realize the synchronous movement of the two machines and complete the compression , Transmission, pre-bending and forming actions; in order to facilitate the loading and unloading of workpieces, one of the machines is designed to move back and forth, and it is also suitable for forming workpieces of different length specifications; this machine can complete workpiece rolls with a diameter of 100-500mm and a length of 100mm or more System; It is especially suitable for the rolling of centralizer, which is efficient, fast and precise.

Description of the drawings

Figure 1 is a front view of the special-shaped plate rolling machine of the present invention;

Fig. 2 is a side view of the A machine in the special-shaped piece rolling machine of the present invention.

In the picture, 1. Base, 2. A machine, 3. B machine, 4. Body, 5. Pre-bending system, 6. Pressing system, 7. Forming system, 8. Spindle, 9. Front guide plate, 10. Rear Guide plate, 11. Connecting seat a, 12. Guide rail, 13. Slider, 14. Connecting seat b, 15. Connecting frame, 16. Cylinder a, 17. Cylinder b, 18. Roller frame, 19. Roller shaft, 20 . Roller, 21. Guide block, 22. Motor, 100. Workpiece.

detailed description

The present invention will be described in detail below with reference to the drawings and specific embodiments.

As shown in Figure 1, a special-shaped plate rolling machine of the present invention includes a base 1; the upper surface of the base 1 is provided with a machine A 2 and a machine B 3; the machine B 3 can be moved horizontally to adjust it to the machine A 2. The distance between the A machine 2 and the B machine 3 are the same in structure, including the body 4; the upper part of the inner side of the body 4 is provided with a pre-bending system 5, a pressing system 6 and a forming system 7, and the three systems are located on the same vertical plane. And form an angle of 30° in turn, in which the pressing system 6 is arranged vertically; the main shaft 8 is horizontally arranged directly under the pressing system 6; the front guide disc 9 and the rear guide disc 10 are symmetrically arranged on both sides of one end of the main shaft 8; the front guide disc 9 , The rear guide plate 10 is fixed to the inside of the body 4.

The arrangement of the A machine 2 is that the upper surface of the base 1 is fixedly connected to the connecting base a11, and the upper surface of the connecting base a11 is fixedly connected to the lower surface of the body 4.

The setting method of the B machine 3 is that a guide rail 12 is horizontally arranged on the upper surface of the base 1, and a slider 13 is arranged in the guide rail 12; the upper surface of the slider 13 is fixed to the lower surface of the connecting seat b14; the upper surface of the connecting seat b14 is fixed to the body 4 Lower surface; both sides of the connecting seat b14 are fixedly connected to the upper part of the connecting frame 15; the lower part of the connecting frame 15 is fixedly connected to the piston extension end of the horizontally arranged oil cylinder a16; the oil cylinder a16 is arranged horizontally in the base 1.

As shown in Figure 2, the pressing system 6 includes an oil cylinder b17 fixed on the upper surface of the body 4. The piston extension end of the oil cylinder b17 is fixedly connected to the top end of the roller frame 18; the bottom end of the roller frame 18 is fixedly connected to two horizontally arranged roller shafts 19 End; the roller shaft 19 jacket has several rollers 20.

The pre-bending system 5, the pressing system 6 and the forming system 7 have the same structure; the oil cylinders b17 in the three systems have an angle of 30°; the center of the roller shaft 19 in the pressing system 6 and the center of the main shaft 8 are located on the same vertical line.

In the three systems, guide blocks 21 are provided on both sides of the roller frame 18 to guide the roller frame 18 so as to limit the roller 20 to only move radially; the guide block 21 is fixed to the inside of the body 4.

The main shaft 8 is arranged in such a way that the main shaft 8 penetrates from the outside to the inside of the main body 4 and is connected to the main body 4 through a bearing; the end of the main shaft 8 away from the front guide plate 9 is fixedly connected to the output end of the motor 22; and the roller shaft 19 is parallel to the main shaft 8. The oil cylinder a16, the oil cylinder b17, and the motor 22 are all electrically connected to the control system. The control system is PLC.

Among them, the diameters of the roller 20 and the main shaft 8 are determined by the rolled product with the smallest diameter. The diameters of the front guide plate 9 and the rear guide plate 10 are preferably within the range of the smallest diameter and the largest diameter that can cover the rolled product. The distance between the main shaft 8 and the roller 20 is as small as possible, and the distance is determined by the installation space.

The working process (principle) of the special-shaped part plate rolling machine of the present invention is: open the oil cylinder a16, adjust the distance between the A machine 2 and the B machine 3 to adapt to the length of the workpiece blank 100 to be rolled; open A The forming system 7 of machine 2 and machine B 3 moves the cylinder b17 down to the design position 1, and the workpiece blank 100 is placed on the spindle 8 and positioned by the front guide plate 9 and the rear guide plate 10; turn on the machine A 2 , The pressing system 6 of B machine 3 makes its cylinder b17 move down to compress the workpiece blank 100; start the motor 22 of A machine 2, B machine 3, and the spindle 8 of machine A 2, machine B 3 starts to rotate synchronously and reversely , Stop at the design position 2 to ensure that the end of the workpiece blank 100 is pressed and not slip off; start the pre-bending system 5 of the A machine 2 and B machine 3, make the cylinder b17 move down, and push the workpiece blank 100 to complete Retreat after pre-bending; start the motor 22 of the A machine 2 and the B machine 3, the main shaft 8 of the A machine 2, the B machine 3, and the roller 20 in the three systems start to synchronously rotate in the forward direction, and stop until the workpiece blank 100 is formed. Start the pressing system 6 of machine A 2, machine B 3, and the forming system 7 to return the oil cylinder b17 to the initial position; start the oil cylinder a16 to extend it so that machine B 3 moves away from machine A 2; The rolled workpiece 100 is unrolled, which is a working cycle. Among them, the design position 1 is a point in the three-point circle, which is also the position where the rolled workpiece 100 passes. Different circles have different positions, which are obtained by geometric drawing or experiments. Design position 2 is the position that determines the pre-bending and the smallest straight edge, which is obtained by experiments. This position determines the accuracy of the rolled workpiece 100.

The special-shaped plate rolling machine of the present invention can roll out arcs and rounded polygons by designing the position coordinates of the forming system 7 and the pre-bending system 5, and matching the direction and angular displacement of the motor 22 in the A machine 2 and the B machine 3. , Round workpieces; especially products with special shapes in the middle section can be precisely rolled, such as: spindle shape, waist drum shape, dumbbell shape; one-button operation, PLC control, suitable for products of different specifications, high rolling efficiency, good precision system Stable, time-saving and labor-saving; it solves a major problem of sheet metal forming in the industry and fills the international gap.

Claims

A special-shaped plate rolling machine, which is characterized in that it comprises a base (1); the upper surface of the base (1) is provided with a machine A (2) and a machine B (3); the machine B (3) can be moved horizontally to Adjust the distance between it and the A machine (2); the A machine (2) and the B machine (3) have the same structure, including the body (4); the upper part of the inner side of the body (4) is provided with a pre-bending system (5), The compaction system (6) and the forming system (7), the three systems are located on the same vertical plane and form an angle of 0-30° in sequence. Among them, the compaction system (6) is arranged vertically; the compaction system (6) is A main shaft (8) is horizontally arranged below; a front guide disc (9) and a rear guide disc (10) are symmetrically arranged on both sides of one end of the main shaft (8); the front guide disc (9) and the rear guide disc (10) are fixed to the body (4) Inside.
The special-shaped plate rolling machine according to claim 1, characterized in that: the arrangement of the A machine (2) is that the upper surface of the base (1) is fixedly connected to the connecting seat a(11), and the connecting seat a( 11) The upper surface is fixedly connected to the lower surface of the body (4).
The special-shaped plate rolling machine according to claim 2, characterized in that the arrangement of the B machine (3) is that a guide rail (12) is horizontally arranged on the upper surface of the base (1), and the guide rail (12) A sliding block (13) is provided; the upper surface of the sliding block (13) is fixed to the lower surface of the connecting seat b (14); the upper surface of the connecting seat b (14) is fixed to the lower surface of the body (4); the connecting seat b (14) two Both sides are fixedly connected to the upper part of the connecting frame (15); the lower part of the connecting frame (15) is fixedly connected to the piston extension end of a horizontally arranged oil cylinder a (16); the oil cylinder a (16) is horizontally arranged in the base (1).
The special-shaped plate rolling machine according to claim 3, characterized in that: the pressing system (6) includes an oil cylinder b(17) fixed on the upper surface of the body (4), and the piston of the oil cylinder b(17) extends The end is fixedly connected to the top end of the roller frame (18); the bottom end of the roller frame (18) is fixedly connected to both ends of a horizontally arranged roller shaft (19); the roller shaft (19) is sheathed with a plurality of roller wheels (20).
The special-shaped plate rolling machine according to claim 4, characterized in that: the pre-bending system (5), the pressing system (6) and the forming system (7) have the same structure; the cylinder b (17) in the three systems ) Sequentially form an angle of 0-30°; the center of the roller shaft (19) in the compression system (6) and the center of the main shaft (8) are located on the same vertical line.
The special-shaped plate rolling machine according to claim 5, characterized in that: in the three systems, guide blocks (21) are provided on both sides of the roller frame (18) to limit the roller (20) to only radially move ; The guide block (21) is fixed on the inside of the body (4).
The special-shaped plate rolling machine according to claim 1, wherein the main shaft (8) is arranged in such a way that the main shaft (8) penetrates from the outside to the inside of the body (4) and passes through the bearing and the body (4). Connection; the end of the main shaft (8) far away from the front guide plate (9) is fixedly connected to the output end of the motor (22); the roller shaft (19) is parallel to the main shaft (8).
The special-shaped plate rolling machine according to claim 7, wherein the oil cylinder a (16), the oil cylinder b (17), and the motor (22) are all electrically connected to the control system.