CN209957236U

CN209957236U - Blank roller and clamp for blank roller heat treatment

Info

Publication number: CN209957236U
Application number: CN201920821440.1U
Authority: CN
Inventors: 杨富强; 杨海桐; 周涛
Original assignee: Nanjing Rongxin Machine Manufacturing Co Ltd
Current assignee: Nanjing Rongxin Machine Manufacturing Co Ltd
Priority date: 2019-05-31
Filing date: 2019-05-31
Publication date: 2020-01-17
Anticipated expiration: 2029-05-31

Abstract

The utility model discloses a blank roller, be in including interlude, setting the first section of reserving of interlude one end, setting are in the section is reserved to the second of the interlude other end, it has annular groove to open on the first section of reserving. The clamp comprises a fixing ring, a hanging ring connected with the fixing ring, a lifting ring arranged at the upper end of the hanging ring, and a plurality of locking bolts arranged along the circumferential direction of the fixing ring, wherein the locking bolts are matched with annular grooves in the blank roller, the plane of the fixing ring is perpendicular to the plane of the hanging ring, and the hanging ring and the lifting ring are located on the same plane. The clamp for the blank roller heat treatment clamps the blank roller, so that the blank roller can be conveniently and firmly vertically hoisted in the heat treatment process and then vertically placed into a resistance furnace for heat treatment, the problem that the middle part of the blank roller sinks due to transverse placement and heating of the blank roller is avoided, the heat treatment quality is improved, and the cost is reduced.

Description

Blank roller and clamp for blank roller heat treatment

Technical Field

The utility model belongs to the field of heat treatment equipment, concretely relates to blank roller and blank roller anchor clamps for heat treatment.

Background

The working roll usually needs higher shape and surface precision, so the whole processing process from blanking to finished products needs to consider the problem of processing precision, wherein the blank shape of the working roll, namely the blank roll, is subjected to heat treatment which is a very important processing technology, and the heat treatment has important influence on the strength and the surface hardness of the products. When the blank roller is subjected to heat treatment, the conventional method is to transversely place the blank roller in a resistance furnace, and then utilize current to enable an electric heating element or a heating medium in the furnace to generate heat, so that the blank roller is subjected to heat treatment. However, if the blank roller is long, the middle of the blank roller is prone to sinking and deforming in the heat treatment process, so that the outer diameter of the blank roller needs to be relatively large when blanking is conducted, the larger the blank roller is long, the larger the allowance is, and after the heat treatment is finished, the deformation amount needs to be corrected, the process is complicated, and the blank roller is seriously deformed and possibly becomes waste. In order to avoid the appearance of above-mentioned problem, can adopt the mode of heating in the resistance furnace with vertical placing of blank roller, not only can avoid the waste of material, can also simplify processing step simultaneously, reduce the processing degree of difficulty.

However, because the length and the weight of the blank roller are relatively large, the blank roller structure which is subjected to heat treatment in the traditional mode is difficult to realize vertical clamping, the work roller structure to be processed needs to be changed to a certain extent, and meanwhile, in the prior art, when the shaft parts are hoisted, the parts are fixed by adopting a method of a steel wire rope oil bottle knot, but by adopting the mode, the operation is complex, and the parts are difficult to fix and easily cause potential safety hazards when the shaft parts with large sizes and weights are hoisted vertically. Then the blank roller is characterized by long size and heavy weight, and in the whole process of heat treatment, the clamp and the blank roller bear higher temperature together, which provides great challenge for the clamp for heat treatment of the blank roller.

Disclosure of Invention

The technical problem is as follows: the utility model provides a blank roller of convenient hoist and mount in heat treatment process to and a blank roller heat treatment that can make things convenient for centre gripping, easily hoist and mount uses anchor clamps.

The technical scheme is as follows: the utility model discloses a blank roller, be in including interlude, setting the first section of reserving, the setting of interlude one end are in the section is reserved to the second of the interlude other end, it has the annular groove to open on the first section of reserving.

The utility model discloses an anchor clamps for blank roller thermal treatment, including solid fixed ring, with gu fixed ring connects hang rings, set up hang rings, the edge of lifting by crane of rings upper end gu fixed ring circumference sets up a plurality of locking bolts, locking bolt with annular groove on the blank roller is mutually supported, gu fixed ring place plane is perpendicular with hanging rings place plane, hang rings and lift by crane rings and be located the coplanar.

Furthermore, the hanging ring is fixedly connected with the upper side or the outer side of the fixing ring.

Furthermore, the hanging rings and the lifting rings are of inverted U-shaped structures.

Further, the number of the locking bolts is at least three.

Furthermore, the fixed ring comprises a first semi-ring body and a second semi-ring body, one end of the first semi-ring body is rotatably connected with one end of the second semi-ring body, and the other end of the first semi-ring body is connected with the other end of the second semi-ring body through a bolt.

Furthermore, when the first half ring body and the second half ring body are folded, the inner ring of the first half ring body is opposite to the inner ring of the second half ring body, so that a complete annular structure is formed.

Furthermore, clamping part is installed to the locking bolt one end that is located solid fixed ring inboard, clamping part does not rotate along with the locking bolt.

Further, the clamping part is arc-shaped.

Further, the arc curvature of the holding member is the same as the curvature of the annular groove.

Has the advantages that: compared with the prior art, the invention has the following advantages:

(1) the utility model discloses a blank roller, respectively there is a reservation section at the both ends of interlude, through set up the annular groove on wherein first reservation section, make blank roller can vertical centre gripping, make blank roller can vertically place in resistance furnace, and then can avoid blank roller transversely when placing because the length and the weight of blank roller are great, the sunken problem in blank roller middle part that appears when thermal treatment, thereby the effectual quality that improves blank roller thermal treatment, the technology of the follow-up processing of blank roller has been simplified, and can reduce external diameter blowing surplus when the blowing, the material waste has been avoided, the enterprise cost is reduced.

(2) The utility model discloses an anchor clamps for blank roller thermal treatment cooperatees through the annular groove on locking bolt and the above-mentioned blank roller for the blank is tightened by the roller, adopts this kind of structural style, can carry out vertical centre gripping to the working roll of different diameters, and adopts locking bolt locking, is applicable to the vertical centre gripping of blank roller of heavy weight very much, and the centre gripping is more firm, has avoided the problem that the mode that traditional mode adopted the oil bottle knot easily drops.

(3) The utility model discloses an anchor clamps are used in blank roller thermal treatment adopts the mode of two rings, has both made things convenient for the driving to hang the fluff base roller, easily hangs on the hoist simultaneously again.

(4) The utility model discloses an anchor clamps for blank roller thermal treatment can also be designed the retainer ring into two semi-ring structures, can make this anchor clamps can the more major diameter's of centre gripping blank roller.

(5) The utility model discloses an anchor clamps for blank roller thermal treatment can also set up convex clamping part in the solid fixed ring inboard one end of locking bolt to the camber of circular arc is the same with the camber of the annular groove on the blank roller, and this kind of form can be more firm centre gripping blank roller.

Drawings

FIG. 1 is a schematic structural view of a blank roller according to the present invention;

FIG. 2 is a front view of the heat treatment jig for a blank roller according to the present invention;

FIG. 3 is a plan view of the jig for heat-treating a blank roller according to the present invention;

FIG. 4 is a schematic structural view of the fixing ring of the heat treatment jig for a blank roller according to the present invention divided into two half-ring bodies;

fig. 5 is a schematic structural view of the clamping member mounted on the locking bolt of the jig for heat treatment of a blank roller according to the present invention.

The figure shows that: 1. a middle section; 11. a first reserved section; 12. a second reserved section; 13. an annular groove; 2. a fixing ring; 21. a first half ring body; 22. a second half-ring; 3. hoisting a hoisting ring; 4. hanging a hanging ring; 5. locking the bolt; 6. and a clamping member.

Detailed Description

The invention is further described with reference to the following examples and the accompanying drawings.

The heat treatment is an important process in the working roll processing and manufacturing process, the strength and the hardness of parts can be effectively improved, the blank form of the working roll is called as a blank roll, when the blank roll is subjected to heat treatment in a traditional mode, the blank roll is usually transversely placed in a resistance furnace, but if the blank roll is long in length and heavy in weight, the middle of the blank roll is easily sunk and deformed in the heat treatment process, and the subsequent processing difficulty of the blank roll is increased. Adopt the vertical mode of placing into resistance furnace of blank roller for this reason, nevertheless vertical the placing, the difficult centre gripping of blank roller, for this reason the utility model provides an easily vertical centre gripping's blank roller, as shown in fig. 1, including interlude 1, set up at the first reserved section 11 of 1 one end of interlude, set up and reserve section 12 at the second of the 1 other end of interlude, it has annular groove 13 to open on the first reserved section 11.

In the production process, the annular groove 13 part of the blank roller is clamped by a clamp, then the blank roller is lifted and placed into a resistance furnace for heat treatment, after the heat treatment is finished, one end of the blank roller is cut off along the annular groove 13, and then the subsequent processing is carried out. Through the improvement to blank roller structure for the blank roller can carry out vertical placing and carry out heat treatment.

In order to make foretell blank roller can vertically place and carry out heat treatment, the utility model provides a blank roller is anchor clamps for heat treatment, as shown in fig. 2 and 3, including solid fixed ring 2, with solid fixed ring 2 connect hang rings 4, set up and be in hang rings 3, the edge of hanging rings 4 upper end gu fixed ring 2 circumference evenly sets up a plurality of locking bolt 5, locking bolt 5 with annular groove 13 on the blank roller is mutually supported, gu fixed ring 2 place plane is perpendicular with hanging rings 4 place plane, hang rings 4 and hang rings 3 and be located the coplanar. In the production process, if set up a rings, can bring inconvenience for the production to the incident takes place easily, for this reason the utility model discloses set up two rings, lift by crane rings 3 promptly and hang rings 4, wherein lift by crane rings 3 and be used for using with the lifting hook cooperation of driving a vehicle, hang rings 4 and make the anchor clamps that the centre gripping has the blank roller can hang on the hoist.

As shown in fig. 2, the hanging ring 4 and the lifting ring 3 are of an inverted U-shaped structure, and the hanging ring 4 can be fixedly connected with the upper side or the outer side of the fixed ring 2, for example, in this embodiment, the hanging ring 4 is connected with the outer side of the fixed ring 2 by welding. Because the cross-section of blank roller is circular, in order to make anchor clamps centre gripping when centre gripping blank roller firm, the quantity of locking bolt 5 is three at least, for example the utility model discloses an in the embodiment, four locking bolts 5 have been set up. During the use, through rotatory locking bolt 5 for locking bolt 5 card is in annular groove 13, then locks, avoids dropping in process of production.

In order to make this anchor clamps can be applicable to the clamping of the blank roller of bigger diameter to and it is more convenient to use, as shown in fig. 3 and 4, the utility model discloses in an embodiment of the heat treatment anchor clamps of blank roller, the solid fixed ring 2 of anchor clamps includes first hemicycle body 21, second hemicycle body 22, the one end of first hemicycle body 21 is passed through the round pin hub rotation with the one end of second hemicycle body 22 and is connected, the other end of first hemicycle body 21 with bolted connection is passed through to the other end of second hemicycle body 22. When the first half ring body 21 and the second half ring body 22 are folded, the inner ring of the first half ring body 21 is opposite to the inner ring of the second half ring body 22, so that a complete annular structure is formed. When the clamping device is used, firstly, the bolts are dismounted, the fixing rings 2 are opened, then the blank roller is arranged, then the two half ring bodies are folded, the two half ring bodies are connected through the bolts, and finally, the blank roller is clamped through rotating the locking bolts 5. When the fixing ring 2 is composed of two half-rings, the hanging ring 4 and the fixing ring 2 must be detachably connected, otherwise the fixing ring 2 is difficult to open.

The utility model discloses in another embodiment of blank roller is anchor clamps for heat treatment, as shown in FIG. 4 locking bolt 5 is located the inboard one end of solid fixed ring 2 and installs hold assembly 6, can be located the inboard one end of solid fixed ring 2 at locking bolt 5 and open and have the bolt hole, open the counter sink on hold assembly 6, then adopt the bolt with hold assembly 6 and locking bolt 5 swing joint for hold assembly 6 can not be along with locking bolt 5 and rotate together. Wherein the clamping member 6 is arc-shaped with the same curvature as the annular groove 13. The purpose of the countersunk hole when the clamping member 6 is provided is to enable the blank roller to be brought into sufficient contact with the clamping member without the occurrence of point contact when the blank roller is clamped.

It is worth mentioning that the above-mentioned clamping part 6 can also be adapted to the form of a one-piece construction of the securing ring 2, and it is obvious that the number of locking bolts 5 can be reduced to two when the clamping part 6 is mounted.

Through the improvement to blank roller structure, and cooperate the utility model discloses a hoist for blank roller is used in thermal treatment for the blank roller can firmly stably, conveniently vertically place into resistance furnace and carry out thermal treatment.

The above examples are only preferred embodiments of the present invention, it should be noted that: it will be apparent to those skilled in the art that various modifications and equivalents can be made without departing from the spirit of the invention, and it is intended that all such modifications and equivalents fall within the scope of the invention as defined in the claims.

Claims

1. The blank roller is characterized by comprising an intermediate section (1), a first reserved section (11) arranged at one end of the intermediate section (1) and a second reserved section (12) arranged at the other end of the intermediate section (1), wherein an annular groove (13) is formed in the first reserved section (11).

2. The utility model provides a blank roller is anchor clamps for thermal treatment, its characterized in that, including solid fixed ring (2), with solid fixed ring (2) connection hang rings (4), set up hang rings (3) of rings (4) upper end, follow gu fixed ring (2) circumference sets up a plurality of locking bolt (5), locking bolt (5) with annular groove (13) on the blank roller are mutually supported, gu fixed ring (2) place plane is perpendicular with hanging rings (4) place plane, hang rings (4) and lift rings (3) and be located the coplanar.

3. The jig for heat treatment of a blank roller according to claim 2, wherein the hanging ring (4) is fixedly connected to an upper side or an outer side of the fixing ring (2).

4. The jig for heat treatment of a blank roller according to claim 3, wherein the hanging ring (4) and the lifting ring (3) are of an inverted U-shaped structure.

5. The jig for the heat treatment of a blank roller according to claim 2, wherein the number of the locking bolts (5) is at least three.

6. The jig for heat treatment of a blank roller according to claim 2, wherein the fixing ring (2) comprises a first half ring body (21) and a second half ring body (22), one end of the first half ring body (21) is rotatably connected with one end of the second half ring body (22), and the other end of the first half ring body (21) is connected with the other end of the second half ring body (22) through a bolt.

7. The jig for heat treatment of a blank roller according to claim 6, wherein when the first half ring body (21) and the second half ring body (22) are closed, the inner ring of the first half ring body (21) is opposite to the inner ring of the second half ring body (22) to form a complete ring structure.

8. The jig for the heat treatment of a blank roller according to claim 2, 3, 4, 5, 6 or 7, wherein a holding member (6) is attached to one end of the lock bolt (5) located inside the fixing ring (2), and the holding member (6) does not rotate with the lock bolt (5).

9. The jig for heat treatment of a blank roller according to claim 8, wherein the holding member (6) has a circular arc shape.

10. The jig for the heat treatment of a blank roller according to claim 9, wherein the arc curvature of the holding member (6) is the same as the curvature of the annular groove (13).