CN102837204B - Processing tool for cylinders of mills and installation and use method thereof - Google Patents

Abstract

The invention discloses a processing tool for cylinders of mills and an installation and use method thereof, and particularly discloses a novel processing tool for a cylinder of a large-size MQY4585 mill. The tool comprises two groups of same structural bodies, wherein each group of structural body comprises a disc; a support is fixedly arranged on one surface of the disc; a plurality of claws are fixedly arranged at the edge of the disc; jackscrews which are capable of adjusting positions are arranged on the claws; and in a work state, the edge of each disc is fixedly connected with a plurality of small brackets which are welded on the inner wall of a cylinder to be processed and the jackscrews are jacked on lower end surfaces of large brackets which are welded on the inner wall of the cylinder to be processed. According to the processing tool and the installation and use mthod, the new tool is designed by utilizing original equipment of an enterprise, so that the difficulty of cylinder processing of the large-scale mills is solved and the processing range of machine tools of the enterprises is enlarged; and the tool is simple in design, convenient to operate and capable of satisfying the requirement on drawing accuracy and saving a large quantity of outsourcing funds.

Description

Mill barrel processing tooling and installation and use method thereof

technical field

The invention relates to a mill cylinder processing tool and an installation and use method thereof.

Background technique

At present, the MQY4585 mill is an overflow ball mill produced by the applicant, and it is also the largest mill produced by the applicant. The barrel of the mill is very difficult to process. The effective length of the barrel is 8500mm, and the effective diameter of the barrel is φ4500mm. The weight is up to 57472kg. Whether it is processing or hoisting, it is a great challenge to the company's existing equipment. The company's original tooling structure for processing the mill barrel is a tooling that penetrates the processing barrel in the mill barrel Spindle, both ends of the main shaft are supported by support discs, and there are center holes at both ends of the main shaft. The machining of the cylindrical body can be realized by lifting the main shaft of the tooling by the top of the machine tool. However, the cylindrical body of the MQY4585 mill is too long and the weight is too heavy. It has exceeded the length of the main shaft of the original tooling and the weight that the tooling can bear. The previous processing tooling for the mill barrel is not suitable for the MQY4585 mill barrel. Therefore, it is necessary to design a new processing tooling for the barrel of this mill. processing.

Contents of the invention

The object of the present invention is to overcome the above-mentioned deficiencies in the prior art, and provide a mill cylinder processing tool and its installation and use method, especially a new type of processing tool for processing the larger MQY4585 mill cylinder, MQY4585 mill The main processing parts of the cylinder body are the inner and outer end faces of the flanges at both ends, the outer circle, the inner hole and the seam on the end face of the flange. The main processing of the cylinder body is to erect the cylinder body so that the top of the C61630 big head lathe can lift the cylinder body , so that the cylinder can be processed smoothly.

To achieve the above object, the present invention adopts the following technical solutions:

A mill cylinder processing tooling, which includes two sets of identical structures, each set of structures has a disc, a support is fixed on one surface of the disc, and several claws are fixed on the edge of the disc , the claw is provided with a top wire that can adjust the position; in the working state, the edge of the disc is fixedly connected with several small brackets welded on the inner wall of the cylinder to be processed, and the top wire is on the inner wall of the cylinder to be processed The lower end faces of several large supports welded on.

The support is provided with a central hole, which corresponds to the top ends of the C61630 big head lathe.

There are 8 claws on each group of structures, and the claws are combined on the disk through bolts, washers and nuts, and the top of the jacking wire is fitted with a nut sleeve.

The support is fastened on the disk by bolts, washers and nuts.

Each disc is provided with four elongated holes that are installed in cooperation with four small brackets welded on the inner wall of the cylinder. Nuts are welded on the small brackets, and studs are screwed into the nuts, and pressure plates are put on the studs. Insert the washer and the nut, pass through the long hole and fit on the disc; the distance between the small bracket and the flange end face of the cylinder is 300mm.

The distance between the large bracket and the end face flange of the cylinder is 310mm.

A method for installing and using mill barrel processing tooling, the steps are as follows:

1) A total of 8 small brackets are welded on the inner wall of the cylinder at a distance of 300mm from the end face of the flange of the cylinder, that is, 4 small brackets are welded on the inner wall of the flange at both ends of the cylinder;

2) One end surface of the disc fits with the small bracket welded on the cylinder body, and the disc is connected together through bolts, nuts and the small bracket;

3) Put the disc and the support handle with the center hole together, install the jaws on the disc, and install the top wire on the jaws;

4) Then weld 16 large brackets on the inner wall of the cylinder at a distance of 310mm from the end flange of the cylinder, that is, weld 8 large brackets on the inner wall of the flange at both ends of the cylinder, and the jacking wire on the disc claw withstands the welding on the On the plane of the lower part of the large bracket on the cylinder;

5) After the tooling is installed, the top of the C61630 big-head lathe withstands the center hole on the support, and the cylinder is jacked up. During the processing, the cylinder is aligned according to the outer circle of the cylinder, and the cylinder is aligned by adjusting the jacking screw on the claw. The body is aligned, and after the cylinder is aligned, the processing of the cylinder can be realized.

The beneficial effect of the present invention is that the present invention uses the original equipment of the company to design a new set of tooling, which solves the difficult problem of processing large mill cylinders and expands the processing range of the company's machine tools, and the design of this set of tooling is simple, It is easy to operate, meets the accuracy requirements of drawings, and saves a lot of outsourcing funds.

Description of drawings

Fig. 1 is an assembly drawing of the present invention;

Fig. 2 is the left view of Fig. 1;

Fig. 3 is a schematic view of the present invention viewed from the end face of the cylinder flange;

Figure 4 is the rotation of the A-A sectional view in Figure 2 (assembly diagram of the small bracket);

Fig. 5 is a partial enlargement of the A-A sectional view in Fig. 2;

Figure 6 is the rotation of the B-B sectional view in Figure 2 (assembly diagram of the large bracket);

Fig. 7 is a partial enlargement of B-B section in Fig. 2;

1. Top screw, 2. Nut sleeve, 3. Claw, 4. First bolt, 5. First washer, 6. First nut, 7. Disc, 8. Second bolt, 9. Second washer , 10. Second nut, 11. Support, 12. Center hole on support, 13. Small bracket, 14. Third nut, 15. Pressure plate, 16. Third washer, 17. Fourth nut, 18. Stud , 19. Large bracket.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the following description is only for explaining the present invention and not limiting its content.

MQY4585 mill barrel processing tooling, which includes two sets of identical structures, each set of structures has a disc 7, a support 11 is fixed on one surface of the disc 7, through the second bolt 8, the second Two washers 9 and the second nut 10 are combined on the disc 7 . Support 11 is provided with central hole 12, and central hole 12 is corresponding with two tops of C61630 big head lathe. There are 8 claws 3 fixed on the edge of the disk 7, which are connected to the disk 7 by the first bolt 4, the first washer 5, and the first nut 6. The claw 3 is provided with a top screw 1 capable of adjusting the position. The top of the jacking wire 1 is fitted with a nut sleeve 2; in the working state, the edge of the disc 7 is fixedly connected to the four small brackets 13 welded on the inner wall of the cylinder to be processed, and the jacking wire 1 is placed on the inner wall of the cylinder to be processed On the lower end faces of the 8 welded large brackets 19, the distance between the large brackets 19 and the end face flange of the cylinder is 310mm.

Each disc 7 is provided with four elongated holes cooperating with four small brackets 13 welded on the inner wall of the cylinder, the small brackets 13 are welded with a third nut 14, and the third nut 14 is screwed into a stud 18. Put the pressure plate 15 on the stud 18, pack the third washer 16 and the fourth nut 17, and pass through the long hole to fit on the disc 7; the distance between the small bracket 13 and the flange end face of the cylinder is 300mm.

The installation and use method of the mill barrel processing tooling is as follows:

1) A total of 8 small brackets 13 are welded on the inner wall of the cylinder at a distance of 300 mm from the end face of the flange of the cylinder, that is, 4 small brackets 13 are welded on the inner walls of the flanges at both ends of the cylinder;

2) One end surface of the disk 7 fits the small bracket 13 welded on the cylinder body, and the disk 13 is combined with the small bracket 13 through bolts and nuts;

3) Put the disk 13 and the support 11 with the center hole together, install the claw 3 on the disk 7, and install the top wire 1 on the claw 3;

4) Then weld 16 large brackets 19 on the inner wall of the cylinder at a distance of 310 mm from the end flange of the cylinder, that is, weld 8 large brackets 19 on the inner walls of the flanges at both ends of the cylinder, and the top wire on the disc 7 claw 3 1 withstand the plane of the lower part of the large bracket 19 welded on the cylinder;

5) After the installation of the tooling is completed, the top of the C61630 big-head lathe withstands the center hole 12 on the support, and the cylinder body is lifted up. During the processing, it is aligned according to the outer circle of the cylinder, and by adjusting the top screw 1 on the claw 3, To align the cylinder, after the cylinder is aligned, the processing of the cylinder can be realized.

Although the specific implementation of the present invention has been described above in conjunction with the accompanying drawings, it does not limit the protection scope of the present invention. On the basis of the technical solution of the present invention, those skilled in the art can make various Modifications or variations are still within the protection scope of the present invention.

Claims (5)

1. A mill cylinder processing tool, characterized in that it comprises two groups of identical structures, each group of structures has a disc, a support is fixed on one surface of the disc, and the edge of the disc A number of claws are fixed, and the claws are provided with jacking wires that can adjust the position; in the working state, the edge of the disc is fixedly connected with four small brackets welded on the inner wall of the cylinder to be processed, and the jacking wires are fixed on the inner wall of the cylinder. The lower end faces of several large brackets welded on the inner wall of the cylinder to be processed; the supports are provided with a central hole corresponding to the two ends of the C61630 big head lathe; each disc is provided with four The four small brackets welded on the top match the long holes for installation. Nuts are welded on the small brackets, and the nuts are screwed into the studs. On the plate; the small bracket is 300mm away from the flange end face of the cylinder. 2. A mill cylinder processing tool as claimed in claim 1, characterized in that there are 8 claws on each group of structures, and the claws are combined on the disc by bolts, washers, and nuts. , the top end of the top wire sets the nut sleeve. 3. A mill cylinder processing tool according to claim 1, characterized in that, the support is fastened to the disc through bolts, washers and nuts. 4. A mill cylinder processing tool according to claim 1, characterized in that the distance between the large bracket and the cylinder end flange is 310 mm. 5. The installation and use method of a mill barrel processing tool as claimed in claim 1, the steps are as follows: 1) A total of 8 small brackets are welded on the inner wall of the cylinder at a distance of 300 mm from the end face of the flange of the cylinder, that is, 4 small brackets are welded on the inner walls of both ends of the cylinder; 2) One end surface of the disc fits with the small bracket welded on the cylinder body, and the disc is connected together through bolts, nuts and the small bracket; 3) Put the disc and the support handle with the center hole together, install the claws on the disc, and install the top wire on the claws; 4) Then weld 16 large brackets on the inner wall of the cylinder at a distance of 310mm from the end flange of the cylinder, that is, weld 8 large brackets on the inner wall at both ends of the cylinder, and the jacking wire on the disc jaws will withstand the welding on the cylinder. On the plane of the lower part of the large bracket on the top; 5) After the installation of the tooling is completed, the top of the C61630 big-head lathe withstands the center hole on the support, and the cylinder is jacked up. During the processing, the cylinder is aligned according to the outer circle of the cylinder, and the cylinder is aligned by adjusting the jacking screw on the claw. The body is aligned, and after the cylinder is aligned, the processing of the cylinder can be realized.