CN217858469U

CN217858469U - Straightener import guider

Info

Publication number: CN217858469U
Application number: CN202222375119.XU
Authority: CN
Inventors: 梁学楷
Original assignee: BIGSINO MACHINERY (BENGBU) CO LTD
Current assignee: BIGSINO MACHINERY (BENGBU) CO LTD
Priority date: 2022-09-07
Filing date: 2022-09-07
Publication date: 2022-11-22
Anticipated expiration: 2032-09-07

Abstract

The utility model provides a straightener import guider, including inlay the mount pad of adorning in straightener import terminal surface and locating the guide holder in the mount pad, the mount pad is the cylinder that the level was arranged, be equipped with annular mounting groove in the mount pad, be equipped with first bearing in the mounting groove of front side, be equipped with the second bearing in the mounting groove of rear side, the mount pad front side, the rear side all is equipped with annular shrouding, the guide holder includes the first portion of cylinder, the second portion, the third portion, first portion, the second portion, the third portion external diameter reduces in proper order, the inner circle of first bearing, the inner circle diameter of second bearing equals and all cooperates with third portion circumference outer wall, the rear end of second portion passes first annular shrouding centre bore and supports with the front side of first bearing inner circle after to in the past, first portion is located the front side of first shrouding, the inner chamber of first portion, the second portion, the third portion is the tubaeform that the front side straight footpath is big rear side straight footpath is little, this device guide structure can be along with rod synchronous rotation, wearing and tearing are less in the use.

Description

Straightener import guider

Technical Field

The utility model relates to a straightener import guider.

Background

The straightening machine is equipment for straightening metal sections, bars, pipes, wires and the like. The straightener extrudes the bar material and the like through the straightening roller to change the straightness. The inlet end of the straightening machine is generally provided with a guide device for guiding the inlet of a bar, the structure of the guide device of the existing straightening machine is shown in figure 1 and comprises a cylindrical guide seat 2 embedded on the inlet end surface 1 of the straightening machine, the outer wall of the guide seat 2 is fixedly connected with the inlet end surface 1 of the straightening machine, the inner cavity of the guide seat 2 is communicated with the inside and the outside of the straightening machine, the inner cavity of the guide seat 2 is provided with a horn mouth with a large outer part and a small inner part close to the outer port, the outer wall of the guide seat 2 cannot rotate with the inlet end of the straightening machine, after the bar enters the straightening machine, the bar can rotate along the shaft under the driving of the power of the straightening machine, a large amount of friction can be generated between the rotating bar and the guide seat 2 which cannot rotate, and the bar and the guide seat 2 can be abraded.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a straightener import guider is provided, its guide structure can be along with rod synchronous revolution, and wearing and tearing are less in the use, and the direction is effectual moreover, can guarantee the level basically after the rod gets into the straightener.

In order to solve the technical problem, the utility model provides a straightener inlet guiding device, which comprises a mounting seat and a guiding seat, wherein the mounting seat is embedded in the inlet end face of a straightener, the guiding seat is arranged in the mounting seat, the mounting seat is in a horizontally arranged cylinder shape, the two axial ends of the mounting seat are both open and are communicated with the interior and the exterior of the straightener, annular mounting grooves are respectively arranged on the positions of the inner cavity of the mounting seat, which are close to the two axial ends, an annular mounting groove is respectively arranged on the positions of the inner cavity of the mounting seat, which are far away from the inner cavity of the straightener along the axial direction of the mounting seat, the front side of the mounting seat is a front side, the rear side of the annular mounting plate is provided with a first annular platform which is coaxially arranged and extends backwards in the horizontal direction, the rear side of the first annular platform is abutted against the outer ring of the first bearing, the mounting seat rear side is equipped with second annular shrouding, and second annular shrouding front side is equipped with coaxial arrangement and the level second annular platform that extends forward, and second annular platform front side leans on with the outer lane counterbalance of second bearing, and the axis of first bearing, second bearing, first annular shrouding, second annular shrouding and mount pad axis are a same horizontal line, the guide holder include that the level arranges in the past after to in proper order coaxial coupling and the shape be cylindrical first portion, second portion, third portion, first portion, second portion, third portion external diameter reduce in proper order, third portion rear end from the past after to pass first annular shrouding centre bore, first bearing, second annular shrouding centre bore and be located the rear of second annular shrouding in proper order, the inner circle diameter of first bearing, the inner circle diameter of second bearing equals and all cooperates with third portion circumference outer wall, corresponds first bearing in the position in third portion circumference outer wall position, department is equipped with the spacing ring between the second bearing, the spacing ring front side pastes with first bearing inner circle rear side mutually and leans on, the spacing ring rear side pastes with the front side of second bearing inner circle mutually and pastes, the rear end of second portion passes first annular shrouding centre bore and supports mutually with the front side of first bearing inner circle after to in the past and leans on, first portion is located the front side of first shrouding, first portion, second portion, the inner chamber of third portion is the tubaeform that the big rear side diameter of front side diameter is little, the diameter of first portion inner chamber rear end is the same with the diameter of second portion inner chamber front end, the diameter of second portion inner chamber rear end is the same with the diameter of third portion inner chamber front end, to first portion, second portion, the inner chamber of third portion: the ratio of the difference between the diameters of the front end and the rear end to the axial length is respectively set as a1, a2 and a3, wherein a1> a2= a3.

Preferably, the rear part of the inner cavity of the third part is in a straight cylinder shape with the same front and rear diameters corresponding to the part which exceeds the second annular sealing plate.

For the sake of simple explanation, the inlet guide device of the straightening machine of the present invention is simply referred to as the device below.

The device has the advantages that: through the bearing cooperation between guide holder and the mount pad in this device, the guide holder of installation is not fixed like this, can rotate along with the appearance stick is synchronous, thereby reduce the friction between appearance stick and the guide holder, the shrink angle of guide holder inner chamber horn mouth divide into the two-stage in addition, the angle is great in the initial stage (when appearance stick one end just got into the guide holder), can guide the model to suitable height fast like this, the intermediate stage (after first portion is passed through to appearance stick end) angle reduces, become gentler, reach the horizontality at last, compare in the horn mouth that prior art set up an angle further, the friction that its end and guide holder inner wall took place when can reducing the appearance stick like this through the guide holder, further protect appearance stick and guide holder inner wall, thereby reduce the defective percentage, and improve production efficiency.

Drawings

FIG. 1 is a schematic view showing the structure of a guide apparatus of a conventional leveler.

Fig. 2 is a schematic structural view of the device.

Detailed Description

Referring to fig. 2, an inlet guide device of a straightening machine comprises an installation seat 3 embedded in an inlet end surface 1 of the straightening machine and a guide seat 6 arranged in the installation seat 3, wherein the installation seat 3 is in a horizontally arranged cylinder shape, two axial ends of the installation seat 3 are both open and are communicated with the inside and the outside of the straightening machine, annular installation grooves 31 are respectively arranged at positions, close to the two axial ends, of an inner cavity of the installation seat 3, one side, far away from the inner cavity of the straightening machine, along the axial direction of the installation seat 3 is a front side, one side, close to the inner cavity of the straightening machine, is a rear side, a first bearing 4 matched with the installation groove 31 is arranged in the installation groove 31 at the front side, a second bearing 5 matched with the installation groove 31 is arranged in the installation groove 31 at the rear side, a first annular sealing plate 41 is arranged at the front side of the installation seat 3, a first annular platform 411 which is coaxially arranged and extends horizontally and backwards is arranged at the rear side of the first annular sealing plate 41, the rear side of the first annular platform 411 is abutted against an outer ring of the first bearing 4, the rear side of the mounting seat 3 is provided with a second annular sealing plate 51, the front side of the second annular sealing plate 51 is provided with a second annular table 511 which is coaxially arranged and horizontally extends forwards, the front side of the second annular table 511 abuts against the outer ring of the second bearing 5, the axes of the first bearing 4, the second bearing 5, the first annular sealing plate 41 and the second annular sealing plate 51 and the central axis of the mounting seat 3 share a horizontal line, the guide seat 6 comprises a first part 61, a second part 62 and a third part 63 which are horizontally and sequentially and coaxially connected from front to back and are cylindrical, the outer diameters of the first part 61, the second part 62 and the third part 63 are sequentially reduced, the rear end of the third part 63 sequentially penetrates through the central hole of the first annular sealing plate 41, the first bearing 4, the second bearing 5 and the central hole of the second annular sealing plate 51 from front to back and is positioned behind the second annular sealing plate 51, and the inner ring of the first bearing 4, the inner ring diameter of second bearing 5 equals and all cooperates with third portion 63 circumference outer wall, correspond first bearing 4 in the position of third portion 63 circumference outer wall, department is equipped with spacing ring 621 between the second bearing 5, spacing ring 621 front side leans on with first bearing 4 inner ring rear side mutually, spacing ring 621 rear side leans on with the front side of second bearing 5 inner ring mutually, the rear end of second portion 62 passes first annular shrouding 41 centre bore and leans on with the front side of first bearing 4 inner ring mutually from the past to the back, first portion 61 is located the front side of first shrouding, first portion 61, second portion 62, the inner chamber of third portion 63 is the tubaeform that the big rear side diameter of front side diameter is little, the diameter of the inner chamber rear end of first portion 61 is the same with the diameter of the inner chamber front end of second portion 62, the diameter of the inner chamber rear end of second portion 62 is the same with the diameter of the inner chamber front end of third portion 63, to the inner chamber of first portion 61, second portion 62, the inner chamber of third portion 63: the ratio of the difference between the diameters of the front end and the rear end to the axial length is respectively set as a1, a2 and a3, wherein a1> a2= a3.

The part of the rear part of the inner cavity of the third part 63, which is correspondingly beyond the second annular sealing plate 51, is in a straight cylinder shape with the same front and rear diameters.

Claims

1. The inlet guide device of the straightening machine is characterized in that: the installation seat is in a horizontally arranged cylinder shape, both axial ends of the installation seat are open and are communicated with the inside and the outside of the straightening machine, annular installation grooves are respectively arranged on the positions, close to the two axial ends, of the inner cavity of the installation seat, one side, far away from the inner cavity of the straightening machine along the axial direction of the installation seat is front, one side, close to the inner cavity of the straightening machine, is rear, a first bearing matched with the installation grooves is arranged in the installation groove on the front side, a second bearing matched with the installation groove is arranged in the installation groove on the rear side, a first annular sealing plate is arranged on the front side of the installation seat, a first annular platform which is coaxially arranged and horizontally extends backwards is arranged on the rear side of the first annular sealing plate, the rear side of the first annular platform is abutted against the outer ring of the first bearing, a second annular sealing plate is arranged on the rear side of the installation seat, a second annular platform which is coaxially arranged and horizontally extends forwards is arranged on the front side of the second annular sealing plate, the front side of the second annular platform is abutted against the outer ring of the second bearing, the axes of the first bearing, the second bearing, the first annular sealing plate and the second annular sealing plate and the central axis of the mounting seat share a horizontal line, the guide seat comprises a first part, a second part and a third part which are horizontally arranged, coaxially connected in sequence from the front to the back and are cylindrical, the outer diameters of the first part, the second part and the third part are sequentially reduced, the rear end of the third part sequentially penetrates through the central hole of the first annular sealing plate, the first bearing, the second bearing and the central hole of the second annular sealing plate from the front to the back and is positioned behind the second annular sealing plate, the diameters of the inner ring of the first bearing and the inner ring of the second bearing are equal and are matched with the circumferential outer wall of the third part, a limit ring is arranged between the first bearing and the second bearing on the circumferential outer wall of the third part, the front side of the limit ring is abutted against the rear side of the inner ring of the first bearing, spacing ring rear side pastes with the front side of second bearing inner circle mutually and leans on, the rear end of second portion passes first annular shrouding centre bore and supports mutually with the front side of first bearing inner circle after to in the past, first portion is located the front side of first shrouding, first portion, second portion, the inner chamber of third portion is the tubaeform that the big rear side diameter of front side diameter is little, the diameter of first portion inner chamber rear end is the same with the diameter of second portion inner chamber front end, the diameter of second portion inner chamber rear end is the same with the diameter of third portion inner chamber front end, to first portion, second portion, the inner chamber of third portion: the ratio of the difference between the diameters of the front end and the rear end to the axial length is respectively set as a1, a2 and a3, wherein a1> a2= a3.

2. The inlet guide device of a straightening machine according to claim 1, wherein: the part of the rear part of the inner cavity of the third part, which corresponds to the part exceeding the second annular sealing plate, is in a straight cylinder shape with the same front and rear diameters.