CN209773159U

CN209773159U - Hydraulic separating mechanism for roller of helical blade cold rolling mill

Info

Publication number: CN209773159U
Application number: CN201920629868.6U
Authority: CN
Inventors: 王强
Original assignee: Jining Yongwang Machinery Co Ltd
Current assignee: Jining Yongwang Machinery Co Ltd
Priority date: 2019-05-06
Filing date: 2019-05-06
Publication date: 2019-12-13
Anticipated expiration: 2029-05-06

Abstract

The utility model relates to a hydraulic separating mechanism for a roller of a helical blade cold rolling mill, which comprises a roller, a main shaft of the rolling mill and a hydraulic oil tank, wherein the roller is connected with the main shaft of the rolling mill through taper interference fit, a through hole is arranged at the center of the main shaft of the rolling mill in a penetrating way, a rectangular groove is arranged at the center of the roller and is communicated with the through hole, a hydraulic pump is arranged at the top of the hydraulic oil tank, one side of the hydraulic oil tank is connected with a hydraulic cylinder through an oil pipe, the utility model adopts the striking rod and the rectangular striking plate which are convenient to disassemble and assemble and the rectangular striking plate and the rectangular groove are in staggered joint connection, the hydraulic rod pushes the striking rod to move forwards to strike the roller for a plurality of times under the action of the hydraulic cylinder, thereby loosening and popping out the roller, and the utility model avoids flying out, due to the existence of the buffer spring, a buffer plate is arranged between the main shaft of the rolling mill and the hydraulic oil tank to play a buffer role.

Description

hydraulic separating mechanism for roller of helical blade cold rolling mill

Technical Field

The utility model relates to a helical blade cold rolling mill roll hydraulic separation mechanism belongs to helical blade manufacturing technical field.

Background

The helical blade manufactured by adopting the continuous cold rolling forming technology has the characteristics of accurate blade size, high surface quality, long service life, high processing efficiency, high material utilization rate and the like. In order to save cost, the main shaft and the roller of the rolling mill are generally manufactured into a split type, namely a tapered hole is formed in the middle of the main shaft, and the roller is installed in the tapered hole, so that the service life of the main shaft is not influenced even if the roller is damaged or scrapped in the using process and needs to be replaced, and the new roller and the main shaft can be reused after being reconfigured with rollers. The roller and the main shaft are matched in a Morse taper interference fit mode, the matching is tighter after repeated rolling, the waste roller needs to be taken out when the roller is reconfigured, generally, a wedge iron is plugged into a gap between the roller and the main shaft manually and then is loosened and taken out after being knocked with great force, the method is labor-consuming and time-consuming, the wedge iron is easy to loosen and fly out during knocking to cause injury to personnel, for the roller tightly meshed with the main shaft, the manual method is difficult to take out the roller to cause scrapping of the main shaft and increase cost.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to overcome the prior defect, and provide a roller hydraulic separation mechanism of a helical blade cold rolling mill, the utility model is provided with a striking rod and a rectangular striking plate which are convenient to be disassembled and assembled, the striking rod is inserted into a through hole, so that the rectangular striking plate is inserted into a rectangular groove, and the impact rod is rotated by 90 degrees, so that the rectangular impact plate 15 is rotated by 90 degrees in the rectangular groove, and the rectangular impact plate and the rectangular groove are clamped in a staggered manner, under the action of the hydraulic cylinder, the hydraulic rod pushes the impact rod to move forwards to knock the roller for multiple times, so that the roller is loosened and popped out, the rectangular impact plate and the rectangular groove are in staggered joint, so the roller is not easy to fly out when being loosened and popped, and the buffer cylinder is arranged, due to the existence of the buffer spring, a buffer plate is arranged between the rolling mill main shaft and the hydraulic oil tank to play a buffer role, and the problems in the background art can be effectively solved.

In order to solve the technical problem, the utility model provides a following technical scheme:

The hydraulic roller separating mechanism for cold rolling screw blade mill includes roller, main shaft and hydraulic oil tank, the roller is connected with the main shaft of the rolling mill through taper interference fit, a through hole is arranged at the center of the main shaft of the rolling mill in a penetrating way, a rectangular groove is arranged at the center of the roller, the rectangular groove is communicated with the through hole, a hydraulic pump is arranged at the top of the hydraulic oil tank, one side of the hydraulic oil tank is connected with a hydraulic cylinder through an oil pipe, one side of the hydraulic cylinder is connected with a hydraulic rod, the end part of the hydraulic rod is fixedly welded with a first connecting plate, one side of the first connecting plate is fixedly connected with a second connecting plate through a bolt, one side of the second connecting plate far away from the first connecting plate is fixedly connected with an impact rod, the utility model discloses a rectangular groove, including striking pole tip rigid coupling, through-hole, rectangle striking plate, rectangular groove, striker rod periphery department is equipped with the buffer cylinder, striking rod tip rigid coupling has the rectangle striking plate, the striking pole wears to locate in the through-hole, just rectangle striking plate embedding connect in the rectangular channel.

Further, a hydraulic switch is arranged on the front side of the hydraulic oil tank, and the hydraulic switch is electrically connected with the hydraulic pump.

Furthermore, the buffer cylinder is cylindrical, two spring grooves are formed in the buffer cylinder, buffer springs are transversely arranged in the spring grooves, one ends of the buffer springs are abutted to sliding plates, one sides, far away from the buffer springs, of the sliding plates are fixedly connected with cross rods, and the end portions of the cross rods penetrate through the buffer cylinder and are connected with buffer plates.

Further, the other end of the buffer spring abuts against the inside of the spring groove.

Further, the central axis of the through hole and the central axis of the roller are located on the same horizontal line, and the central axis of the hydraulic rod and the central axis of the impact rod are located on the same horizontal line.

Further, the through hole and the rectangular groove are combined into a T shape.

The utility model discloses beneficial effect: the utility model discloses a set up the impact bar and the rectangle striking plate that make things convenient for the dismouting, in the impact bar inserts the through-hole, make the rectangle striking plate insert to the rectangular channel in, and make the impact bar rotate 90, make the rectangle striking plate at rectangular channel internal rotation 90, thereby make rectangle striking plate and the crisscross joint of rectangular channel, make the hydraulic stem promote the impact bar and move forward and strike to the roll many times under the effect of pneumatic cylinder, thereby take off the roll pine and take off and pop out, and the utility model discloses because the crisscross joint of rectangle striking plate and rectangular channel, consequently the roll pine takes off and is unlikely to the departure when popping out, and has set up a buffer tube, because buffer spring's existence, make to have the buffer plate between rolling mill main shaft and the hydraulic tank and play cushioning.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

Fig. 1 is a front view of the present invention.

Fig. 2 is a partial enlarged view of the buffer cylinder of the present invention.

Fig. 3 is a connection diagram of the roller and the main shaft of the rolling mill of the present invention.

Reference numbers in the figures: 1. rolling; 2. a rolling mill spindle; 3. a hydraulic oil tank; 4. a through hole; 5. a rectangular groove; 6. a hydraulic pump; 7. an oil pipe; 8. a hydraulic cylinder; 9. a hydraulic lever; 10. a first connecting plate; 11. a bolt; 12. a second connecting plate; 13. a striker bar; 14. a buffer cylinder; 15. a rectangular impact plate; 16. a hydraulic switch; 17. a spring slot; 18. a buffer spring; 19. a sliding plate; 20. a cross bar; 21. a buffer plate.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

As shown in fig. 1-3, the hydraulic separating mechanism for the roller of the helical blade cold rolling mill comprises a roller 1, a main shaft 2 of the rolling mill and a hydraulic oil tank 3, wherein the roller 1 is connected with the main shaft 2 of the rolling mill through taper interference fit, a through hole 4 is arranged at the center of the main shaft 2 of the rolling mill in a penetrating manner, a rectangular groove 5 is arranged at the center of the roller 1, the rectangular groove 5 is communicated with the through hole 4, a hydraulic pump 6 is arranged at the top of the hydraulic oil tank 3, one side of the hydraulic oil tank 3 is connected with a hydraulic cylinder 8 through an oil pipe 7, one side of the hydraulic cylinder 8 is connected with a hydraulic rod 9, the end part of the hydraulic rod 9 is fixedly welded with a first connecting plate 10, one side of the first connecting plate 10 is fixedly connected with a second connecting plate 12 through a bolt 11, one side of the second connecting plate 12 far, the tip rigid coupling of striking rod 13 has rectangle striking plate 15, striking rod 13 wears to locate in through-hole 4, just rectangle striking plate 15 embedding connect in rectangular channel 5.

The hydraulic switch 16 is arranged on the front side of the hydraulic oil tank 3, the hydraulic switch 16 is electrically connected with the hydraulic pump 6, the hydraulic pump 6 is enabled to work by controlling the hydraulic switch 16, hydraulic oil in the hydraulic oil tank 3 can be transmitted into the hydraulic cylinder 8 through the oil pipe 7 by the work of the hydraulic pump 6, the hydraulic rod 9 is enabled to push the impact rod 13 to move forwards under the action of the hydraulic cylinder 8, the buffer cylinder 14 is cylindrical, two spring grooves 17 are arranged in the buffer cylinder 14, a buffer spring 18 is transversely arranged in each spring groove 17, one end of each buffer spring 18 is abutted to a sliding plate 19, one side, far away from the buffer spring 18, of each sliding plate 19 is fixedly connected with a cross rod 20, the end part of each cross rod 20 penetrates through the buffer cylinder 14 and is connected with a buffer plate 21, the other end of each buffer spring 18 is abutted to the inside of the spring groove 17, and, make to have buffer board 21 to play the cushioning effect between rolling mill main shaft 2 and the hydraulic tank 3, the center pin of through-hole 4 with the center pin of roll 1 is located same water flat line, the center pin of hydraulic stem 9 with the center pin of impact rod 13 is located same water flat line, makes hydraulic stem 9 promote impact rod 13 forward motion and strikes 1 times to the roll under the effect of pneumatic cylinder 8 to with 1 pine of roll pop out, through-hole 4 and rectangular channel 5 combination are T shape, rectangle impact plate 15 when 5 rotations 90 in rectangular channel, can make rectangle impact plate 15 and 5 crisscross joint of rectangular channel.

The utility model discloses the theory of operation: firstly, the impact rod 13 is inserted into the through hole 4, the rectangular impact plate 15 is inserted into the rectangular groove 5, and the striking rod 13 is rotated by 90 degrees, the rectangular striking plate 15 is rotated by 90 degrees in the rectangular groove 5, so that the rectangular impact plate 15 is clamped with the rectangular groove 5 in a staggered way, the hydraulic pump 6 works by controlling the hydraulic switch 16, by the operation of the hydraulic pump 6, the hydraulic oil in the hydraulic oil tank 3 can be transmitted to the hydraulic cylinder 8 through the oil pipe 7, the hydraulic rod 9 pushes the striking rod 13 to move forwards under the action of the hydraulic cylinder 8 to strike the roller 1 for multiple times, thereby loosening and popping the roller 1, and because the rectangular impact plate 15 is in staggered joint with the rectangular groove 5, the roller 1 cannot fly out when loosening and popping, and the buffer cylinder 14 is arranged, due to the existence of the buffer spring 18, a buffer plate 21 exists between the rolling mill main shaft 2 and the hydraulic oil tank 3 to play a buffer role.

The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.

Claims

1. Helical blade cold rolling mill roll hydraulic separation mechanism, including roll (1), rolling mill main shaft (2) and hydraulic tank (3), roll (1) is connected its characterized in that through tapering interference fit with rolling mill main shaft (2): the center of the rolling mill spindle (2) is provided with a through hole (4) in a penetrating manner, the center of the roller (1) is provided with a rectangular groove (5), the rectangular groove (5) is communicated with the through hole (4), the top of the hydraulic oil tank (3) is provided with a hydraulic pump (6), one side of the hydraulic oil tank (3) is connected with a hydraulic cylinder (8) through an oil pipe (7), one side of the hydraulic cylinder (8) is connected with a hydraulic rod (9), the end part of the hydraulic rod (9) is fixedly welded with a first connecting plate (10), one side of the first connecting plate (10) is fixedly connected with a second connecting plate (12) through a bolt (11), one side of the second connecting plate (12) far away from the first connecting plate (10) is fixedly connected with an impact rod (13), the periphery of the impact rod (13) is provided with a buffer barrel (14), and the end part of the impact rod, the impact rod (13) penetrates through the through hole (4), and the rectangular impact plate (15) is embedded and connected in the rectangular groove (5).

2. The helical blade cold rolling mill roll hydraulic separation mechanism of claim 1, characterized in that: the hydraulic oil tank (3) front side is equipped with hydraulic switch (16), just hydraulic switch (16) with electric connection between hydraulic pump (6).

3. The helical blade cold rolling mill roll hydraulic separation mechanism of claim 1, characterized in that: the buffer cylinder (14) is cylindrical, two spring grooves (17) are formed in the buffer cylinder (14), buffer springs (18) are transversely arranged in the spring grooves (17), one ends of the buffer springs (18) are abutted to sliding plates (19), the sliding plates (19) are far away from one sides of the buffer springs (18) and fixedly connected with cross rods (20), and the end portions of the cross rods (20) penetrate through the buffer cylinder (14) and are connected with buffer plates (21).

4. The helical blade cold rolling mill roll hydraulic separation mechanism of claim 3, wherein: the other end of the buffer spring (18) is abutted with the inside of the spring groove (17).

5. The helical blade cold rolling mill roll hydraulic separation mechanism of claim 1, characterized in that: the central shaft of the through hole (4) and the central shaft of the roller (1) are positioned on the same horizontal line, and the central shaft of the hydraulic rod (9) and the central shaft of the impact rod (13) are positioned on the same horizontal line.

6. The helical blade cold rolling mill roll hydraulic separation mechanism of claim 1, characterized in that: the through hole (4) and the rectangular groove (5) are combined into a T shape.