CN202290792U

CN202290792U - Rolling inlet guide

Info

Publication number: CN202290792U
Application number: CN2011203808197U
Authority: CN
Inventors: 娄霆; 李运强; 朱启刚; 申晓庆
Original assignee: Hefei Baisheng Science and Technology Development Co Ltd
Current assignee: Hefei Baisheng Science and Technology Development Co Ltd
Priority date: 2011-10-10
Filing date: 2011-10-10
Publication date: 2012-07-04
Anticipated expiration: 2021-10-10

Abstract

The utility model belongs to the field of steel rolling machinery, and particularly relates to a rolling inlet guide used in a bar rolling process. The rolling inlet guide comprises a box body and a self-locking mechanism, wherein two guide roller arms are hinged symmetrically on the box body through the guide roller arm fulcrum shafts; a guide roller is arranged at the back end of each guide roller arm; the axis of each guide roller and the axis of each guide roller arm fulcrum support are positioned in the same plane; an adjusting mechanism for adjusting the magnitude of the swinging angle of each guide roller arm around each guide roller arm fulcrum shaft is arranged at the front end of the rolling inlet guide; the adjusting mechanism comprises an adjusting screw and an adjusting cam positioned between the adjusting mechanism and the adjusting screw; and the self-locking mechanism is used for locking the relative position of the adjusting cam. According to the rolling inlet guide, the working stability and reliability are enhanced remarkably on the basis of not changing an original structure, and self-locking of the adjusting cam of the adjusting mechanism is realized through the self-locking mechanism, so that the rotation phenomenon of the adjusting cam caused by vibration is avoided, accurate and reliable matching between the adjusting cam and the adjusting screw is realized, and product quality is finally ensured.

Description

A kind of rolling import guide and guard

Technical field

The utility model belongs to the steel rolling instrument field, is specifically related to the rolling import guide and guard of using in a kind of rolling bar process.

Background technology

Guide and guard just are meant in the rolling of sectional iron process, are installed in the roll pass front and back and help rolled piece accurately, stably to get into and derive the device of roll pass by set direction and state.Guide and guard are divided into two kinds of rolling guide and sliding guides, and wherein rolling guide is used widely with its good working performance.Existing rolling guide structure is following: be hinged with two deflector roll arms through deflector roll arm fulcrum shaft symmetry in the casing; Deflector roll arm one end that is positioned on the deflector roll arm fulcrum shaft is equipped with deflector roll, and the other end is provided with the adjustment screw and constitutes the guiding mechanism of regulating the deflector roll spacing with the adjustment cam that is positioned between the two.During practical operation, rely on two deflector rolls of deflector roll arm one end to clamp rolled piece to reach the purpose of control guiding rolled piece direct of travel; Consider work in-process, because rolled piece at a high speed through guide and guard, often is easy to make its deflector roll arm to bear very big external force effect; Work long hours and to cause deflector roll arm stress deformation; Finally cause two clamping deflector roll spacings to change and influence final mill product quality, therefore, through rotating adjustment cam; Rely on the gradual change type of adjustment cam both ends of the surface bus length to change to reach and promote the adjustment screw, and finally the effect through deflector roll arm fulcrum shaft reaches the effect of regulating two deflector roll spacings.Above-mentioned guiding mechanism is no doubt simple and easy to do, use also extremely extensive, yet; The problem of its existence also can not look down upon, and it is that shiny surface cooperates with the mating surface of adjusting screw that greatest problem promptly is to adjust cam, and the no any spacing fixed part of adjustment cam itself is to guarantee the constancy of its position; To be applied to actual processing space fashionable when this guiding mechanism; Because the high-frequency vibration of guide and guard, adjustment cam itself does not have self-locking property again, finally causes the adjustment cam to be shaken and rotates; And the deflector roll spacing of guide and guard must rely on the adjustment cam and adjust can accurately locating accurate cooperation of screw; The above-mentioned unstability of adjustment cam has also just had a strong impact on the operate as normal of guide and guard, causes its functional reliability lower, not only causes the quality of lot accident easily; Simultaneously also very easily cause deflector roll arm generation frequent breakage, bring very big puzzlement to the attendant.

Summary of the invention

The purpose of the utility model provides a kind of rolling import guide and guard simple in structure, can effectively guarantee its adjusted deflector roll spacing stability.

For realizing above-mentioned purpose; The utility model has adopted following technical scheme: a kind of rolling import guide and guard; Comprise casing, be hinged with two deflector roll arms through deflector roll arm fulcrum shaft symmetry in the said casing, each deflector roll arm is provided with deflector roll in its back-end; Deflector roll axis and deflector roll arm fulcrum shaft axis are positioned at one side; Its front end is provided with and is used to regulate the guiding mechanism of deflector roll arm around deflector roll arm fulcrum shaft pendulum angle size, and said guiding mechanism comprises the adjustment screw and be positioned at adjustment cam between the two that said rolling import guide and guard also comprise the self-locking mechanism that is used to lock adjustment cam relative position.

The beneficial effect of the utility model is: after adopting said structure; Basically do not changing on the basis of original structure; The stability and the reliability of its work significantly improve, and make the adjustment cam of its guiding mechanism realize self-locking through self-locking mechanism, thereby avoid adjusting the rotation phenomenon that cam produces because of vibrations; Realize adjustment cam and the accurate reliable fit of adjusting screw; Effectively guarantee its adjusted deflector roll constant, overcome existing deflector roll arm, finally guarantee its product quality because of the unstable defective that frequently is impacted and damages of spacing.

Description of drawings

Fig. 1 is the front front view of the utility model;

Fig. 2 is the left view of Fig. 1;

Fig. 3 is the schematic top plan view of Fig. 1;

Fig. 4 is the structural representation of the adjustment cam of the utility model.

The specific embodiment

A kind of rolling import guide and guard; Comprise casing 10; Be hinged with two deflector roll arms 30 through deflector roll arm fulcrum shaft 20 symmetries in the said casing 10, each deflector roll arm 30 is provided with deflector roll 40 in its back-end, and deflector roll 40 axis and deflector roll arm fulcrum shaft 20 axis are positioned at one side; Its front end is provided with and is used to regulate the guiding mechanism of deflector roll arm 30 around deflector roll arm fulcrum shaft 20 pendulum angles size; Said guiding mechanism comprises adjustment screw 51 and is positioned at adjustment cam 52 between the two that said rolling import guide and guard also comprise the self-locking mechanism that is used to lock adjustment cam 52 relative positions, shown in Fig. 1-3.For ease of explanation, deflector roll arm 30 front ends here and the layout of rear end just correspond respectively to the rolled piece inlet end and the port of export of rolling import guide and guard.

Further preferred version as the utility model: shown in Fig. 1-4; Guiding mechanism comprises the support 53 that is arranged at casing 10 front ends; Adjustment cam 52 rotating being installed on the support 53; Said self-locking mechanism comprises plug pin portion 61 and is arranged at the end face of adjustment cam 52 and/or the pin hole 62 at outer rim place that said plug pin portion 61 runs through support 53 support bodys and constitutes grafting with 62 of pin holes and cooperates.In the real work, when needs are regulated guiding mechanism, from pin hole 62, extract earlier plug pin portion 61; The actual diameter of the rolled piece of the required processing of foundation; The anglec of rotation of corresponding adjusting adjustment cam 52, at this moment, the both ends of the surface that rely on the bus length of adjusting on the cam 52 to be the gradual change type variation push adjustment screw 51; Thereupon link deflector roll arm 30 of adjustment screw 51 produces the swing around deflector roll arm fulcrum shaft 20, finally reaches the purpose of regulating deflector roll 40 spacings; When two deflector rolls, 40 spacings meet the requirements; Making 61 of itself and pin holes constitute to peg graft from new insertion plug pin portion 61 again cooperates; Because plug pin portion 61 itself has constituted hole shaft type grafting with 53 on support and has cooperated, and support 53 itself directly is fixed on the casing 10, has promptly guaranteed the position constancy of adjustment cam 52 with respect to casing 10; Thereby realized the self-locking property of adjustment cam 52, and then also just effectively guaranteed the stability of its adjusted deflector roll 40 spacings.Certainly, in the concrete operations, fixed mount also can be set to guarantee the fixing of plug pin portion 61 separately on casing 10, be not only to be confined to cooperating of support 53 and plug pin portion 61; In fact, as long as in plug pin portion 61 is inserted pin holes 62 time, the integral type that can realize adjusting 10 of cam 52, plug pin portion 61 and casings cooperates this final purpose, and the concrete implementation of its structure can just be given unnecessary details for multiple here no longer one by one.

Further; Be the concrete said structure of realizing; Like Fig. 2 and shown in Figure 4, said pin hole 62 is to be uniformly distributed with setting more than two and along adjustment cam 52 outer rims, and the axis of said each pin hole 62 constitutes the 20 axis settings of plane parallel deflector roll arm fulcrum shaft; Said support 53 profiles are the doorframe shape, and plug pin portion 61 runs through support 53 upper board face settings.Because support 53, adjustment cam 52 and adjustment screw 51 itself are existing structure, that is to say that the utility model can directly get out pin hole 62 on existing adjustment cam 52; The corresponding through hole that cooperates with plug pin portion 61 of on support 53, offering of while; Can realize the over-all properties of this self-locking mechanism, whole mechanism is simple and practical, and is with low cost; Be convenient to renewal to existing each rolling guide, widely applicable.

Further, for guaranteeing the fitment stability of 53 on plug pin portion 61 and support, also for simplifying its structure, constitute threaded engagement between said plug pin portion 61 and support 53 support bodys simultaneously.Certainly; In the practical operation, the also concrete condition of visual producer constitutes the complicated slightly night bolt formula of structure between the support body with its plug pin portion 61 and support 53 and cooperates; When mentioning plug pin portion 61; Be installed on the spring compression in the support 53 upper board faces, simultaneously, adjustment cam 52 rotates the regulating action that realizes whole guiding mechanism; When adjusting finishes needs locking adjustment cam 52, directly unclamp plug pin portion 61, under the effect of spring, plug pin portion 61 resets and inserts in the pin hole 62 of relevant position on the adjustment cam 52, realizes its self-locking property.

Further; For improving the chucking power of deflector roll 40 for rolled piece, guarantee its reliable effectively work, said two deflector roll arms 30 are provided with the extension spring 70 that connects both in its back-end; Be provided with the stage clip 80 that connects deflector roll arm 30 and casing 10 at its front end place, shown in Fig. 2-3.

Claims

1. rolling import guide and guard; Comprise casing (10); Be hinged with two deflector roll arms (30) through deflector roll arm fulcrum shaft (20) symmetry in the said casing (10); Each deflector roll arm (30) is provided with deflector roll (40) in its back-end, and deflector roll (40) axis and deflector roll arm fulcrum shaft (20) axis are positioned at one side, and its front end is provided with and is used to regulate the guiding mechanism of deflector roll arm (30) around deflector roll arm fulcrum shaft (20) pendulum angle size; Said guiding mechanism comprises adjustment screw (51) and is positioned at adjustment cam (52) between the two, it is characterized in that: said rolling import guide and guard also comprise the self-locking mechanism that is used for locking adjustment cam (52) relative position.

2. rolling import guide and guard according to claim 1; It is characterized in that: said guiding mechanism comprises the support (53) that is arranged at casing (10) front end; Said adjustment cam (52) is rotating to be installed on the support (53); End face and/or the pin hole (62) at outer rim place that said self-locking mechanism comprises plug pin portion (61) and is arranged at adjustment cam (52), said plug pin portion (61) run through support (53) support body and with pin hole (62) between constitute to peg graft and cooperate.

3. rolling import guide and guard according to claim 2; It is characterized in that: said pin hole (62) is to be uniformly distributed with setting more than two and along adjustment cam (52) outer rim; The axis of said each pin hole (62) constitutes plane parallel deflector roll arm fulcrum shaft (20) axis setting; Said support (53) profile is the doorframe shape, and plug pin portion (61) runs through the setting of support (53) upper board face.

4. according to claim 2 or 3 described rolling import guide and guard, it is characterized in that: threaded engagement between said plug pin portion (61) and support (53) support body.

5. rolling import guide and guard according to claim 1 is characterized in that: said two deflector roll arms (30) are provided with the extension spring (70) that connects both in its back-end, are provided with the stage clip (80) that connects deflector roll arm (30) and casing (10) at its front end place.