CN215089768U - Adjusting nut for roll box of wire finishing mill - Google Patents
Adjusting nut for roll box of wire finishing mill Download PDFInfo
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- CN215089768U CN215089768U CN202120608382.1U CN202120608382U CN215089768U CN 215089768 U CN215089768 U CN 215089768U CN 202120608382 U CN202120608382 U CN 202120608382U CN 215089768 U CN215089768 U CN 215089768U
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- adjusting nut
- assembly
- finishing mill
- connecting part
- assembling
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Abstract
The utility model belongs to the technical field of high-speed wire finishing equipment, in particular to a roller box adjusting nut of a wire finishing mill, which comprises an adjusting nut body and a screw thread; the thread comprises a connecting part and an inserting rod; the connecting part is provided with a through hole which is provided with internal threads; the inserted bar is fixed on the outer side surface of the connecting part; the material of the thread tooth is ZQCuAl 10-4-4; the adjusting nut body comprises two assembly bodies, and each assembly body comprises an integrally formed assembly part and a shifting rod; the assembly part is U-shaped, the assembly part is provided with a first cavity matched with the appearance of the inserted bar, two side edges of the assembly part are connected with two side edges of the other assembly part, the assembly body forms the whole appearance of the assembly part to be a cuboid, and a second cavity matched with the appearance of the connecting part is arranged inside the assembly part; the deflector rod is cylindrical and is vertically fixed at the center of the outer end face of the inner part of the assembling part; the adjusting nut body is made of stainless steel. The utility model provides a wire rod finishing mill roller box adjusting nut, long service life can guarantee the production continuity, improves production efficiency.
Description
Technical Field
The utility model belongs to the technical field of altitude finish rolling equipment, concretely relates to wire rod finishing mill roll box adjusting nut-.
Background
In the roller box of the prior high-speed wire rod finishing mill group, a finishing mill roller shaft is arranged in a pair of eccentric oil film bearing sleeves (hereinafter referred to as eccentric sleeves), an insert lug of the eccentric sleeve is provided with an adjusting nut with positive and negative threads, and the adjusting nut is assembled with a pair of corresponding lead screws with positive and negative threads. When the roll gap of the roll shaft is adjusted, the screw rod is rotated to drive the adjusting nut to move reversely, and the adjusting nut drives the pair of eccentric sleeves to rotate relatively through the inserting lugs. The left and right rotation of the screw rod realizes the opening and closing adjustment of the roll gap. The lead screw is locked during normal rolling production, and the lead screw can not rotate any more, and the roll gap is fixed. In the roll shaft, the eccentric sleeve is also subjected to a force of reversing in a direction in which the roll gap increases during the rolling production. This counter-rotating force is transmitted to the adjusting nut via the eccentric bushing lug. At present, with the continuous improvement of rolling speed and the increase of deformation resistance of rolled materials, the rolling force of a roller box is continuously increased, so that the stress of an adjusting nut and the like is increased, and the adjusting nut is impacted when biting and throwing steel during working, so that the adjusting nut deflector rod is broken frequently. In order to strengthen the strength of the adjusting nut deflector rod, the whole material of the adjusting nut is changed into a stainless steel material, but only one hour of line feeding is needed, the thread of the adjusting nut is broken by the lead screw, and the production is stopped and the line is off. The strength problems of the adjusting nuts have seriously affected the workshop production.
SUMMERY OF THE UTILITY MODEL
For solving the not enough of prior art, the utility model provides a wire rod finishing mill roller box adjusting nut, long service life can guarantee the production continuity, improves production efficiency. For solving the not enough of prior art, the utility model provides a technical scheme does:
the utility model provides a roll box adjusting nut of a wire finishing mill, which comprises an adjusting nut body and a screw thread;
the thread comprises a connecting part and at least one insert rod; the connecting part is provided with a through hole, and an internal thread is arranged in the through hole; the inserted bar is fixed on the outer side surface of the connecting part; the thread tooth is made of ZQCuAl 10-4-4;
the adjusting nut body comprises two assembling bodies, and each assembling body comprises an integrally formed assembling part and a shifting rod; the assembly part is U-shaped, the assembly part is provided with a first cavity matched with the appearance of the inserted bar, two side edges of the assembly part are connected with two side edges of the other assembly part, the assembly body forms the whole appearance of the assembly part which is a cuboid, and a second cavity matched with the appearance of the connecting part is arranged in the assembly part; the deflector rod is cylindrical and is vertically fixed at the center of the outer end face of the inner part of the assembling part; the adjusting nut body is made of stainless steel.
Preferably, the thread tooth comprises a connecting part and four insert rods which are integrally formed; the connecting part is a cuboid, and a through hole is formed in the center of the connecting part; the inserted rods are cylindrical and symmetrically arranged on two end faces of the connecting part;
the middle part of the assembling part is provided with a cylindrical cavity which is matched with the shape of the inserted bar and has a height smaller than the thickness of the middle part of the assembling part; the assembly body is formed into a rectangular assembly part, the overall shape of the assembly part is rectangular, and a rectangular cavity matched with the shape of the connecting part is formed inside the assembly part; the deflector rod is parallel to the cylindrical cavity.
Preferably, a chamfer is arranged at the joint of the deflector rod and the assembling part.
Preferably, the chamfer angle of the connecting part of the deflector rod and the assembling part is 3.5 mm.
Preferably, the diameter of the deflector rod is 20 mm.
Preferably, four edges of the assembling portion parallel to the shifting lever are provided with chamfers, the length of each chamfer is 4mm, and the angle is 45 degrees.
Preferably, the assembly bodies have the same shape, and the side edges of the assembly parts are fixedly connected through bolts.
Preferably, the total length of the adjusting nut body along the deflector rod direction is 114 mm.
Preferably, the material of the adjusting nut body is OCr18Ni 9.
Preferably, the thread tooth is made of ZQCuAl10-4-4 rolling pieces through secondary forging.
The utility model has the advantages that:
1) the utility model provides a wire rod finishing mill roller box adjusting nut adopts the components of a whole that can function independently form, including two parts of adjusting nut body and screw thread, the adjusting nut body adopts OCr18Ni9 material, and the screw thread adopts ZQCuAl10-4-4 material, then uses two part assembly. The utility model provides a wire rod finishing mill roller box adjusting nut not only can guarantee the intensity of driving lever, but also can guarantee the cooperation between screw tooth and the lead screw, when the harder wire rod of wire rod finishing mill roller box rolling material, can bear great rolling force and impact force, prevents that the driving lever from splitting, prevents that the lead screw from destroying the screw tooth, and long service life can guarantee the production continuity, improves production efficiency;
2) the utility model provides a wire rod finishing mill roller box adjusting nut does not influence the interchangeability with other spare parts, can directly be applied to current wire rod finishing mill.
Drawings
Fig. 1 is a front view of a wire finishing mill roll box adjusting nut provided by the present invention;
fig. 2 is a left side view of the wire finishing mill roll box adjusting nut provided by the present invention;
fig. 3 is a half sectional view of the adjusting nut body provided by the present invention;
fig. 4 is a front view of the screw thread provided by the present invention;
fig. 5 is a left side view of the screw thread provided by the present invention;
wherein, 3, the connecting part; 4. inserting a rod; 5. a through hole; 6. an assembling portion; 7. a deflector rod; 8. a cuboid cavity; 9. a cylindrical cavity; 10. and (4) bolts.
Detailed Description
The present invention will be further described with reference to the following embodiments. The following embodiments are only used to more clearly illustrate the technical solutions of the present invention, and the protection scope of the present invention is not limited thereby.
The utility model provides a roll box adjusting nut of a wire finishing mill, which comprises an adjusting nut body and a screw thread; the thread comprises a connecting part and at least one insert rod; the connecting part is provided with a through hole, and an internal thread is arranged in the through hole; the inserted bar is fixed on the outer side surface of the connecting part; the thread tooth is made of ZQCuAl 10-4-4. The adjusting nut body comprises two assembly bodies, and each assembly body comprises an integrally formed assembly part and a shifting rod; the assembly part is U-shaped, the assembly part is provided with a first cavity matched with the appearance of the inserted bar, two side edges of the assembly part are connected with two side edges of the other assembly part, the assembly body forms the whole appearance of the assembly part to be a cuboid, and a second cavity matched with the appearance of the connecting part is arranged inside the assembly part; the deflector rod is cylindrical and is vertically fixed at the center of the outer end face of the inner part of the assembling part; the adjusting nut body is made of stainless steel.
The utility model provides a wire rod finishing mill roller box adjusting nut adopts the components of a whole that can function independently form, including adjusting nut body and screw thread, during the use, use adjusting nut body and screw thread equipment back, wire rod finishing mill roller box adjusting nut after the equipment does not have the difference with current adjusting nut appearance, can use with the direct cooperation of current wire rod finishing mill accessory. The adjusting nut body is made of stainless steel, so that the strength of the adjusting nut body can be greatly enhanced, and the thread tooth is made of ZQCuAl10-4-4, so that the wear resistance and the impact resistance are good; the split type wire rod finishing mill has the advantages that the strength of the shifting rod can be guaranteed, the matching between the screw thread and the screw rod can be guaranteed, when a hard wire rod is rolled by the roller box of the wire rod finishing mill, the large rolling force and the large impact force can be borne, the shifting rod is prevented from being broken, the screw thread is prevented from being damaged by the screw rod, the service life is long, the production continuity can be guaranteed, and the production efficiency is improved.
In actual use, the form of the adjusting nut body and the thread is not limited, the two can be stably assembled, and the assembled form is consistent with that of the existing adjusting nut.
In an alternative embodiment of the present invention, referring to fig. 4 and 5, the screw thread comprises a connecting portion 3 and four insert rods 4 which are integrally formed; the connecting part 3 is a cuboid; a through hole 5 is formed in the center of the connecting part 3, and internal threads are formed in the through hole 5; the inserted bar 4 is cylindrical and symmetrically arranged on the left end surface and the right end surface of the connecting part 3, and the inserted bar 4 is vertical to the through hole 5. Referring to fig. 1 and 3, the adjusting nut body comprises two assembling bodies, wherein each assembling body comprises an assembling portion 6 and a shifting rod 7 which are integrally formed; the assembly portion 6 is U-shaped, a cylindrical cavity 9 which is matched with the inserted rod 4 and is smaller than the thickness of the middle portion of the assembly portion 6 is arranged in the middle of the assembly portion, two side edges of the cylindrical cavity are connected with two side edges of another assembly body 6, the overall appearance of the assembly portion formed by the two assembly bodies is cuboid, and a cuboid-shaped cavity 8 matched with the appearance of the connecting portion 3 is arranged inside the assembly portion. The deflector rod 7 is cylindrical and is positioned in the center of the outer end face in the middle of the assembling part 6, and the deflector rod 7 is parallel to the cylindrical cavity 9. Fig. 1 is a schematic view of the assembled thread and adjusting nut body.
In an optional embodiment of the present invention, the insertion rod is in zero-clearance fit with the cylindrical cavity, and the connecting portion is in zero-clearance fit with the rectangular cavity.
The connecting part of the screw thread is a cuboid, so that the screw thread can be prevented from rotating in the adjusting nut body.
In an alternative embodiment of the present invention, referring to fig. 1 and 3, a chamfer is provided at the connection between the shift lever 7 and the assembling portion 6. When the deflector rod is stressed, stress is concentrated on the joint of the deflector rod and the assembling part, and the joint is a chamfer, so that the service life of the deflector rod can be prolonged.
In an optional embodiment of the present invention, the chamfer of the connection between the shift lever and the assembling portion is 3.5 mm.
In an alternative embodiment of the present invention, the diameter of the shift lever is 20 mm.
In an alternative embodiment of the present invention, referring to fig. 2, four edges of the assembling portion 6 parallel to the shift lever 7 are provided with chamfers to increase the safety during assembling.
In an optional embodiment of the present invention, the length of the chamfer at the edge of the fitting portion is 4mm, and the angle is 45 °.
In an alternative embodiment of the present invention, referring to fig. 1, two assemblies have the same shape, and two side edges of the assemblies are fixedly connected by bolts 10. After the screw thread and the two assembly bodies are assembled, the screw thread and the assembly bodies can be fixed into a whole through bolts.
In an alternative embodiment of the present invention, the total length of the adjusting nut body along the shift lever direction is 114 mm.
In an optional embodiment of the present invention, the material of the adjusting nut body is OCr18Ni 9. OCr18Ni9 material intensity is higher than copper product far away, can improve the life-span of adjusting nut body.
In an alternative embodiment of the present invention, the thread is made from a ZQCuAl10-4-4 rolled piece by secondary forging. The ZQCuAl10-4-4 material has much higher wear resistance and impact resistance than steel products, and can greatly improve the service life of the screw thread.
The utility model provides a wire rod finishing mill roll box adjusting nut can directly cooperate the use with current wire rod finishing mill accessory, simple to operate, if be applied to current reducing diameter 27, 28 roller casees. And, adopt the utility model provides a wire rod finishing mill roller box adjusting nut, when rolling the same material steel, the driving lever does not fracture after using 6 months, and the screw tooth has not been broken yet. Explain the utility model provides a wire rod finishing mill roller box adjusting nut can improve wire rod finishing mill's security and life greatly, reduces the emergence of wire rod finishing mill trouble, reduces equipment maintenance time, effectual improve equipment productivity and production efficiency.
The utility model provides a wire rod finishing mill roller box adjusting nut still can be used to mini rolling mill and subtract the sizing roller box.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.
Claims (10)
1. A roll box adjusting nut of a wire finishing mill is characterized by comprising an adjusting nut body and a thread;
the thread comprises a connecting part and at least one insert rod; the connecting part is provided with a through hole, and an internal thread is arranged in the through hole; the inserted bar is fixed on the outer side surface of the connecting part; the thread tooth is made of ZQCuAl 10-4-4;
the adjusting nut body comprises two assembling bodies, and each assembling body comprises an integrally formed assembling part and a shifting rod; the assembly part is U-shaped, the assembly part is provided with a first cavity matched with the appearance of the inserted bar, two side edges of the assembly part are connected with two side edges of the other assembly part, the assembly body forms the whole appearance of the assembly part which is a cuboid, and a second cavity matched with the appearance of the connecting part is arranged in the assembly part; the deflector rod is cylindrical and is vertically fixed at the center of the outer end face of the inner part of the assembling part; the adjusting nut body is made of stainless steel.
2. The wire finishing mill roll box adjuster nut of claim 1,
the screw thread comprises a connecting part and four insert rods which are integrally formed; the connecting part is a cuboid, and a through hole is formed in the center of the connecting part; the inserted rods are cylindrical and symmetrically arranged on two end faces of the connecting part;
the middle part of the assembling part is provided with a cylindrical cavity which is matched with the shape of the inserted bar and has a height smaller than the thickness of the middle part of the assembling part; the assembly body is formed into a rectangular assembly part, the overall shape of the assembly part is rectangular, and a rectangular cavity matched with the shape of the connecting part is formed inside the assembly part; the deflector rod is parallel to the cylindrical cavity.
3. The wire finishing mill roll box adjusting nut as claimed in claim 1, wherein a chamfer is provided at a junction of the shift lever and the fitting portion.
4. The wire finishing mill roll box adjusting nut as claimed in claim 3, wherein a chamfer at a junction of the shift lever and the fitting portion is 3.5 mm.
5. The wire finishing mill roll box adjusting nut as claimed in claim 1, wherein the deflector rod is 20mm in diameter.
6. The adjusting nut for the roll box of the wire finishing mill as claimed in claim 1, wherein four edges of the fitting portion parallel to the shift lever are provided with chamfers having a length of 4mm and an angle of 45 °.
7. The wire finishing mill roll box adjusting nut as claimed in claim 1, wherein the assembling portions are identical in shape, and side edges of the assembling portions are fixedly connected by bolts.
8. The wire finishing block roll cage adjusting nut of claim 1, wherein the adjusting nut body has an overall length along the deflector rod of 114 mm.
9. The wire finishing mill roll box adjusting nut of claim 1, wherein the adjusting nut body is made of OCr18Ni 9.
10. The wire finishing mill roll box adjuster nut as set forth in claim 1, wherein said threading die is made from a ZQCuAl10-4-4 roll stock by double forging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120608382.1U CN215089768U (en) | 2021-03-25 | 2021-03-25 | Adjusting nut for roll box of wire finishing mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120608382.1U CN215089768U (en) | 2021-03-25 | 2021-03-25 | Adjusting nut for roll box of wire finishing mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215089768U true CN215089768U (en) | 2021-12-10 |
Family
ID=79344761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120608382.1U Active CN215089768U (en) | 2021-03-25 | 2021-03-25 | Adjusting nut for roll box of wire finishing mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215089768U (en) |
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2021
- 2021-03-25 CN CN202120608382.1U patent/CN215089768U/en active Active
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