CN215236774U

CN215236774U - High shock resistance transmission working roll

Info

Publication number: CN215236774U
Application number: CN202023220350.9U
Authority: CN
Inventors: 周正军
Original assignee: Changzhou Ruike Precision Roll Co ltd
Current assignee: Changzhou Ruike Precision Roll Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-12-21
Anticipated expiration: 2030-12-28

Abstract

The utility model discloses a high shock resistance transmission work roller, concretely relates to work roller technical field, including roll body, roller neck, spindle nose and connecting axle, roller neck outer end is equipped with the bearing box, the fixed first solid fixed ring that is equipped with in connecting axle outer end, the fixed solid fixed ring of second that is equipped with in roller neck outer end, the connecting axle outer end is equipped with four and connects the stiffener, four spread grooves have all been seted up to first solid fixed ring inside and the solid fixed ring inside of second. The utility model discloses a stiffener and activity gag lever post are connected in the setting, can be quick connect the work roll with fixed, connect fixed time weak point, efficient, connect the stiffener and also can consolidate the connection position of spindle nose and connecting axle when connecting fixedly, and then increase the moment of torsion that the spindle nose can bear for the spindle nose is difficult for damaging, has improved the shock resistance of work roll, has avoided the spindle nose to damage and has hindered the condition emergence of people, has increased the life of work roll, has practiced thrift the cost.

Description

High shock resistance transmission working roll

Technical Field

The embodiment of the utility model provides a relate to work roll technical field, concretely relates to high shock resistance transmission work roll.

Background

Work rolls are the primary working components and tools on a rolling mill that produce continuous plastic deformation of metal. The working roll mainly comprises a roll body, a roll neck and a shaft head. The roll body is the middle portion of the work roll that actually participates in rolling metal. It has a smooth cylindrical or grooved surface. The roll neck is mounted in bearings and transmits the rolling force to the stand through a bearing housing and a screw down device. The driving end shaft head is connected with the gear seat through a connecting shaft, and transmits the rotating torque of the motor to the working roller. The work rolls may be arranged in the mill housing in two, three, four or more roll formats.

The existing transmission working roll fixes the shaft head and the connecting shaft by using bolts, the connection fixing time is long, the efficiency is low, the shaft head is positioned at a transmission part, the received torque is large, the fracture condition can occur sometimes, the machine can be damaged, and even the danger of hurting people can be caused.

SUMMERY OF THE UTILITY MODEL

Therefore, the embodiment of the utility model provides a high shock resistance transmission working roll, which is provided with a connection reinforcing rod and a movable limiting rod, the working roll can be quickly connected and fixed, the connection and fixation time is short, the efficiency is high, the connection reinforcing rod can also reinforce the connection part of the shaft head and the connecting shaft while the connection reinforcing rod is connected and fixed, thereby increasing the torque born by the spindle nose, leading the spindle nose not to be easy to damage, improving the shock resistance of the working roll, avoiding the situation that the spindle nose is damaged and hurts people, prolonging the service life of the working roll, saving the cost, to solve the problems that in the prior art, the shaft heads and the connecting shafts are fixed by bolts, the shaft head is positioned at the transmission part, the connection and fixation time is longer due to larger torque, the efficiency is lower, and sometimes the shaft head is broken, which can cause the machine to be damaged and even cause the danger of hurting people.

In order to achieve the above object, the embodiment of the present invention provides the following technical solutions: the high-shock-resistance transmission working roll comprises a roll body, a roll neck, a roll head and a connecting shaft, wherein the roll neck is fixedly arranged at one end of the roll body, the roll head is fixedly arranged at one end of the roll neck, the connecting shaft is arranged at one end of the roll head, the outer end of the roll neck is provided with a bearing box, the roll neck is rotatably connected with the bearing box through a bearing, the outer end of the connecting shaft is fixedly provided with a first fixing ring, the outer end of the roll neck is fixedly provided with a second fixing ring, one side of the second fixing ring is contacted with one end of the connecting shaft, the other side of the second fixing ring is contacted with one side of the bearing box, the outer end of the connecting shaft is provided with four connecting reinforcing rods, the inner parts of the first fixing ring and the second fixing ring are respectively provided with four connecting grooves, the two ends of the connecting reinforcing rods are respectively arranged inside the connecting grooves on the first fixing ring and the connecting grooves on the second fixing ring, and the outer ends of the first fixing ring and the second fixing ring are respectively provided with four movable limiting rods, it is a plurality of activity gag lever post one end passes first solid fixed ring outer end and the solid fixed ring outer end of second respectively and extends into inside the spread groove, connect the stiffener both ends and all seted up the spacing groove, activity gag lever post one end is established in the spacing inslot portion, activity gag lever post outer end is equipped with the spring, and is a plurality of spring one end is respectively with the solid fixed ring outer end fixed connection of first solid fixed ring outer end and the solid fixed ring outer end of second.

Furthermore, the other end of the movable limiting rod is fixedly provided with a connecting block, and the other end of the spring is fixedly connected with the inner side of the connecting block.

Furthermore, a square groove is formed in one end of the connecting shaft, and the shaft head is arranged inside the square groove.

Furthermore, the outer end of the roll neck is provided with a bearing cover, and one side of the bearing cover is fixedly connected with one side of the bearing box.

Furthermore, a bearing cover groove is formed in the other side of the inner end of the second fixing ring, and the bearing cover is arranged inside the bearing cover groove.

Further, a positioning rod is fixedly arranged on the inner wall of the square groove and is located on the same axis with the shaft head, a positioning groove is formed in one end of the shaft head, and the positioning rod is arranged inside the positioning groove.

The embodiment of the utility model provides a have following advantage:

the utility model discloses an outside pulling connecting block, the connecting block drives movable gag lever post and extension spring to the lateral movement, it inserts from the spread groove to connect the stiffener, then loosen the connecting block, the inside of spacing groove is inserted to the activity gag lever post under the spring action of spring, just so can fix connecting the stiffener, compared with the prior art, can be quick connect and fix the working roll, it is short to connect the fixed time, high efficiency, it also can consolidate the connection position of spindle nose and connecting axle to connect the stiffener when connecting fixedly, and then increase the moment of torsion that the spindle nose can bear, make the spindle nose be difficult for damaging, the shock resistance of working roll has been improved, the condition of having avoided the spindle nose to damage and hindering the people takes place, the life of working roll has been increased, and the cost is saved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

Fig. 1 is a schematic view of the overall structure provided by the present invention;

fig. 2 is a schematic view of the overall left-side sectional structure provided by the present invention;

fig. 3 is a left side sectional structural schematic view of the connecting shaft provided by the present invention;

fig. 4 is an enlarged schematic structural diagram of a in fig. 1 according to the present invention;

in the figure: 1 roll body, 2 roll necks, 3 spindle heads, 4 connecting shafts, 5 bearing boxes, 6 first fixing rings, 7 second fixing rings, 8 connecting reinforcing rods, 9 connecting grooves, 10 movable limiting rods, 11 limiting grooves, 12 springs, 13 connecting blocks, 14 square grooves, 15 bearing covers, 16 bearing cover grooves, 17 positioning rods and 18 positioning grooves.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to the attached drawings 1-4 of the specification, the high-shock-resistance transmission working roll comprises a roll body 1, a roll neck 2, a shaft head 3 and a connecting shaft 4, wherein the roll neck 2 is fixedly arranged at one end of the roll body 1, the shaft head 3 is fixedly arranged at one end of the roll neck 2, the connecting shaft 4 is arranged at one end of the shaft head 3, a bearing box 5 is arranged at the outer end of the roll neck 2, the roll neck 2 is rotatably connected with the bearing box 5 through a bearing, a first fixing ring 6 is fixedly arranged at the outer end of the connecting shaft 4, a second fixing ring 7 is fixedly arranged at the outer end of the roll neck 2, one side of the second fixing ring 7 is in contact with one end of the connecting shaft 4, the other side of the second fixing ring 7 is in contact with one side of the bearing box 5, four connecting reinforcing rods 8 are arranged at the outer end of the connecting shaft 4, four connecting grooves 9 are respectively arranged inside the first fixing ring 6 and inside the second fixing ring 7, and two ends of the reinforcing rods 8 are respectively arranged on the connecting groove 9 on the first fixing ring 6 and the second fixing ring 7 Inside spread groove 9, first solid fixed ring 6 and the solid fixed ring 7 outer end of second all are equipped with four activity gag lever posts 10, and are a plurality of activity gag lever post 10 one end passes first solid fixed ring 6 outer end and the solid fixed ring 7 outer end of second respectively and extends into inside spread groove 9, connecting 8 both ends of stiffener and all having seted up spacing groove 11, activity gag lever post 10 one end is established inside spacing groove 11, activity gag lever post 10 outer end is equipped with spring 12, and is a plurality of spring 12 one end respectively with the solid fixed ring 7 outer end fixed connection of first solid fixed ring 6 outer end and the solid fixed ring of second.

Further, the other end of the movable limiting rod 10 is fixedly provided with a connecting block 13, and the other end of the spring 12 is fixedly connected with the inner side of the connecting block 13, so that the movable limiting rod 10 can be conveniently pulled outwards.

Furthermore, a square groove 14 is formed in one end of the connecting shaft 4, and the shaft head 3 is arranged inside the square groove 14, so that the connecting shaft is conveniently connected with the shaft head 3 and drives the shaft head 3 to rotate.

Further, the outer end of the roll neck 2 is provided with a bearing cover 15, one side of the bearing cover 15 is fixedly connected with one side of the bearing box 5, and a bearing is convenient to fix.

Further, a bearing cover groove 16 is formed in the other side of the inner end of the second fixing ring 7, and the bearing cover 15 is arranged in the bearing cover groove 16, so that the bearing cover 15 can be conveniently placed in.

Further, a positioning rod 17 is fixedly arranged on the inner wall of the square groove 14, the positioning rod 17 and the shaft head 3 are located on the same axis, a positioning groove 18 is formed in one end of the shaft head 3, and the positioning rod 17 is arranged inside the positioning groove 18 to facilitate positioning of the axis.

The implementation scenario is specifically as follows: the positioning rod 17 is aligned to the positioning groove 18, the spindle head 3 is inserted into the square groove 14, the connecting block 13 is pulled outwards, the connecting block 13 drives the movable limiting rod 10 to move outwards and stretch the spring 12, the connecting reinforcing rod 8 is inserted from the connecting groove 9, then the connecting block 13 is loosened, the movable limiting rod 10 is inserted into the limiting groove 11 under the elastic force of the spring 12, so that the connecting reinforcing rod 8 can be fixed, the connecting reinforcing rod 8 can stably connect the roll neck 2 and the connecting shaft 4 together, further the working roll and the connecting shaft 4 are connected together, when the connecting shaft 4 drives the spindle head 3, the roll neck 2 and the roll body 1 to rotate, the connecting reinforcing rod 8 can share the torque of the spindle head 3 and reinforce the joint of the spindle head 3 and the connecting shaft 4, the utility model discloses a connecting reinforcing rod 8 and a movable limiting rod 10 are arranged, the working roll can be quickly connected and fixed, connect the dead time weak point, high efficiency, connect stiffener 8 also can consolidate the connection position of spindle nose 3 and connecting axle 4 when connecting fixedly, and then increase the moment of torsion that spindle nose 3 can bear, make spindle nose 3 difficult damage, the shock resistance of working roll has been improved, the condition of having avoided spindle nose 3 to damage and hindering the people takes place, the life of working roll has been increased, the cost is saved, this embodiment has specifically solved among the prior art transmission working roll and has all fixed the spindle nose with the bolt for connecting axle, it is longer to connect the dead time, efficiency is lower, and the spindle nose is located the transmission position, the moment of torsion that receives is great, the cracked condition can appear sometimes, this can make the machine damage, can injure the dangerous problem of hindering the people even.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. High shock resistance transmission working roll, including roll body (1), roll neck (2), spindle nose (3) and connecting axle (4), roll neck (2) are fixed to be established in roll body (1) one end, spindle nose (3) are fixed to be established in roll neck (2) one end, establish spindle nose (3) one end, its characterized in that in connecting axle (4): the roller neck (2) outer end is provided with a bearing box (5), the roller neck (2) and the bearing box (5) are connected through bearing rotation, a first fixing ring (6) is fixedly arranged at the outer end of the connecting shaft (4), a second fixing ring (7) is fixedly arranged at the outer end of the roller neck (2), one side of the second fixing ring (7) is contacted with one end of the connecting shaft (4), the other side of the second fixing ring (7) is contacted with one side of the bearing box (5), the outer end of the connecting shaft (4) is provided with four connecting reinforcing rods (8), four connecting grooves (9) are respectively arranged inside the first fixing ring (6) and inside the second fixing ring (7), two ends of each connecting reinforcing rod (8) are respectively arranged inside a connecting groove (9) on the first fixing ring (6) and a connecting groove (9) on the second fixing ring (7), the outer ends of the first fixing ring (6) and the second fixing ring (7) are respectively provided with four movable limiting rods (10), it is a plurality of activity gag lever post (10) one end passes first solid fixed ring (6) outer end and the solid fixed ring of second (7) outer end respectively and extends into spread groove (9) inside, connecting stiffener (8) both ends and all having seted up spacing groove (11), activity gag lever post (10) one end is established inside spacing groove (11), activity gag lever post (10) outer end is equipped with spring (12), and is a plurality of spring (12) one end respectively with the solid fixed ring of first solid fixed ring (6) outer end and the solid fixed ring of second (7) outer end fixed connection.

2. The highly shock resistant driven work roll of claim 1, wherein: the other end of the movable limiting rod (10) is fixedly provided with a connecting block (13), and the other end of the spring (12) is fixedly connected with the inner side of the connecting block (13).

3. The highly shock resistant driven work roll of claim 1, wherein: a square groove (14) is formed in one end of the connecting shaft (4), and the shaft head (3) is arranged inside the square groove (14).

4. The highly shock resistant driven work roll of claim 1, wherein: the outer end of the roll neck (2) is provided with a bearing cover (15), and one side of the bearing cover (15) is fixedly connected with one side of the bearing box (5).

5. The highly shock resistant driven work roll of claim 4, wherein: bearing cap groove (16) have been seted up to second solid fixed ring (7) inner opposite side, bearing cap (15) are established inside bearing cap groove (16).

6. The highly shock resistant driven work roll of claim 3, wherein: the positioning rod (17) is fixedly arranged on the inner wall of the square groove (14), the positioning rod (17) and the shaft head (3) are located on the same axis, the positioning groove (18) is formed in one end of the shaft head (3), and the positioning rod (17) is arranged inside the positioning groove (18).