Wire mill inlet sliding guide and guard device
By setting a receiving cavity and a limiting groove at the end of the guide rod, and using a steel alloy contact ring and a limiting block design, the problems of decreased guiding accuracy and safety hazards caused by guide groove wear are solved, and the stability and accuracy of wire processing are improved.
Patent Information
- Application Number
- CN202520452501.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-14
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2035-03-14
AI Technical Summary
The existing method of using guide rods with guide grooves is prone to wear on the inner wall of the guide grooves during long-term use, resulting in decreased guiding accuracy, increased movement deviation and gaps, affecting product accuracy and quality, and posing safety hazards.
The guide rod features a semi-circular notch at its end, with an internal cavity and limiting groove to accommodate the contact ring and the limiting block. The contact ring is made of steel alloy with a smooth surface, and the limiting block restricts its movement range to prevent wear and wobbling.
It effectively reduces wear between the wire and the contact ring, improves guiding accuracy, avoids shaking and detachment, extends the service life of the contact ring, and ensures processing stability and safety.
Smart Images
Figure CN223811405U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to wire rod rolling mill's sliding guide equipment field especially relates to a wire rod rolling mill entrance sliding guide device. BACKGROUND
[0002] Sliding guide is a type of rolling mill guide device, it is mainly applied to hot rolling and cold rolling process, is used for guiding the important equipment that the piece is correctly advanced in the rolling process.
[0003] Wire rod is also as a kind of common rolling piece due to its special form required, the guide device used and other guide devices have greater difference, the existing sliding guide device is mostly by fixed structure and the guide rod of setting in fixed mechanism, and the guide groove of guide rod end, and wire rod is guided through the guide groove to be correct and advanced, and operating personnel can change the position of guide rod through fixed mechanism to adapt to the processing of different conditions;
[0004] But the guide wire rod of the guide groove mode of cooperation guides wire rod to pass through the guide device in the long-term use process, wire rod is rubbed guide groove inner wall with a higher temperature and metal hardness, it is easy to cause the wear of guide groove inner wall, can reduce the guiding accuracy of sliding component, leads to the deviation of component in the movement process, and wear can increase the gap between guide groove and sliding component, this can lead to the instability, vibration or jumping of component in the movement, all can influence the dimensional accuracy and quality of product, and there is great security risk such as wire rod fracture. UTILITY MODEL CONTENTS
[0005] In order to make up for the deficiency of prior art problem, the utility model's purpose is to solve the existing technology in the existing guide rod cooperation guide groove mode in the long-term use process, it is easy to cause the wear of guide groove inner wall, the wear of guide groove can lead to the decrease of guiding progress, the deviation of movement process and the increase of the gap between guide groove and sliding wire rod, etc. Occur, can greatly influence the accuracy and quality of product.
[0006] In order to solve the prior art problem, the technical scheme of the utility model is as follows: including fixed mechanism and the guide rod of setting in fixed mechanism interior, the semicircular notch of guide rod end is provided with, the accommodating cavity of opening is provided with the restriction groove in the inner wall of notch, the contact ring of movable connection is in the accommodating cavity interior, the limit stopper of symmetrical arrangement is set up in the side of contact ring close to restriction groove.
[0007] Further, the guide rod is a circular columnar structure as a whole, and the two ends are respectively columnar and duckbill-shaped, wherein the duckbill-shaped end is the end.
[0008] Further, the accommodating cavity is communicated with the notch.
[0009] Further, the accommodating cavity and the limiting groove are both arc-shaped grooves, and the accommodating cavity and the limiting groove are communicated to form a symmetrical stepped structure, so that the cavity at the limiting groove is larger in diameter than the position of the accommodating cavity.
[0010] Further, the contact ring is an incomplete ring structure and is made of steel alloy, and the surface is smooth and flat, so that the contact ring has sufficient heat resistance and hardness and will not damage the wire.
[0011] Further, the contact ring ring body is located in the accommodating cavity, the opening end is guided by the rod, and the ring body located in the accommodating cavity extends to the outside along the position where the accommodating cavity and the notch are communicated, so that the wire can enter the inside through the opening end, and the wire can start and end at the contact ring extending into the notch.
[0012] Further, the limiting block is made of the same material as the contact ring, is matched with the limiting groove as a whole, and is in contact with the inner wall of the limiting groove away from the contact ring, so that the limiting block can limit the movement range of the contact ring in the accommodating cavity.
[0013] Further, the edge of the notch is provided with a smooth chamfer, so as to avoid damage of the wire caused by contact of the wire with the edge of the notch.
[0014] Compared with the prior art, the utility model has the following advantages:
[0015] The utility model discloses a guiding rod with a notch, an accommodating cavity is formed along the notch, a contact ring is arranged in the groove, the contact ring extends to the inside of the notch through the accommodating cavity, the limiting groove in the accommodating cavity is matched with the limiting block on the surface of the contact ring, the movement range of the limiting block is limited through the limiting groove, so that the rotation range of the contact ring is limited, the wire directly contacts the contact ring in use, the wire at the inlet position of the rolling mill can not be guaranteed to be completely smooth and can inevitably shake, but the wire in the contact ring is difficult to shake upward and separate from the contact ring, so that the separation of the wire in the processing process is avoided, the contact area of the wire and the contact ring is limited, when the wire slides along the surface of the contact ring, the contact ring moves in the accommodating cavity under the action of force, the contact surface with the wire is changed during the movement, so that the service life of the contact ring is increased, and the wear caused by long-time contact of the wire with the same position is avoided. BRIEF DESCRIPTION OF DRAWINGS
[0016] Fig. 1 It is the whole structure schematic diagram of the utility model.
[0017] Fig. 2 It is the enlarged schematic diagram of the end of the guiding rod of the utility model.
[0018] Fig. 3 It is the end section view schematic diagram of the guide rod of the utility model.
[0019] The figure mark: 1, fixed mechanism, 2, guide rod, 3, notch, 4, containing cavity, 5, limit slot, 6, contact ring, 7, limit block. DETAILED DESCRIPTION
[0020] The technical scheme in the embodiments of the utility model will be clearly and completely described below with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.
[0021] As Figs. 1-3 The figure mark: 1, fixed mechanism, 2, guide rod, 3, notch, 4, containing cavity, 5, limit slot, 6, contact ring, 7, limit block.
[0022] The notch 3 inner wall is provided with containing cavity 4, and the containing cavity 4 is communicated with the notch 3, and the containing cavity 4 inner wall is provided with limit slot 5, and the containing cavity 4 and limit slot 5 are arc grooves, and the containing cavity 4 and limit slot 5 are communicated to form symmetrical ladder-shaped structure, so that the cavity diameter at limit slot 5 is greater than the position of containing cavity 4, and the containing cavity 4 is movably connected with contact ring 6, and the contact ring 6 is an incomplete ring structure, and is made of steel alloy, and the surface is smooth and flat, to ensure that the contact ring 6 has sufficient heat resistance and hardness, and will not damage the wire, and the contact ring 6 ring body is located in the containing cavity 4, and the opening end principle guide rod 2, and the ring body in the containing cavity 4 extends to the outside along the containing cavity 4 and the notch 3 communication position, to ensure that the wire can enter the inside through the opening end, and the wire can end in the contact ring 6 in the notch 3 and contact.
[0023] The side close to the limit slot 5 of the contact ring 6 is provided with limit block 7, and the limit block 7 is made of the same material as the contact ring 6, and is matched with the limit slot 5, and the side away from the contact ring 6 is in contact with the inner wall of the limit slot 5, so that the limit block 7 can limit the movement range of the contact ring 6 in the containing cavity 4.
[0024] Working principle: first, the operator sends the wire into the rolling mill along the opening of the contact ring 6 or through the contact ring 6, then the rolling mill starts to pull the wire, the wire moves in the way of sliding on the surface of the contact ring 6, in the moving process, the contact ring 6 is stressed, but the contact between the wire and the contact ring 6 in the moving process is not completely stable, thus causing the uneven stress of the contact ring 6 to move in the accommodating cavity 4, the movement of the contact ring 6 is limited by the limiting block 7 and cannot be taken out of the accommodating cavity 4, and after the movement of the contact ring 6, the contact surface with the wire changes, since the contact surfaces are the same, the wire is not affected, but the contact ring 6 itself reduces the sliding contact in the same position, thereby prolonging the service life of the whole, and it is not easy to produce wear, even if there is wear, the operator can manually change and fix the moving position of the contact ring 6 through welding, thereby avoiding the wear position, making the non-wear position contact with the wire for temporary use.
[0025] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A sliding guide device for the inlet of a wire rod mill, comprising a fixing mechanism (1) and a guide rod (2) disposed inside the fixing mechanism (1), characterized in that: The guide rod (2) has a semi-circular notch (3) at its end. The inner wall of the notch (3) has a receiving cavity (4). The inner wall of the receiving cavity (4) has a limiting groove (5). A contact ring (6) is movably connected inside the receiving cavity (4). A limiting block (7) is symmetrically arranged on the side of the contact ring (6) near the limiting groove (5).
2. The sliding guide device for the inlet of a wire rod mill according to claim 1, characterized in that: The guide rod (2) has a circular columnar structure, with the two ends being columnar and duckbill-shaped respectively, and the duckbill-shaped end is the end.
3. The sliding guide device for the inlet of a wire rod mill according to claim 1, characterized in that: The receiving cavity (4) is connected to the notch (3).
4. The sliding guide device for the inlet of a wire rod mill according to claim 1, characterized in that: The receiving cavity (4) and the limiting groove (5) are both arc-shaped grooves, and the receiving cavity (4) and the limiting groove (5) are connected to form a symmetrical stepped structure.
5. The sliding guide device for the inlet of a wire rod mill according to claim 1, characterized in that: The contact ring (6) is an incomplete ring structure, made entirely of steel alloy, with a smooth and flat surface.
6. A sliding guide device for the inlet of a wire rod mill according to any one of claims 3-5, characterized in that: The contact ring (6) is located inside the receiving cavity (4), with the open end following the guide rod (2), and the ring inside the receiving cavity (4) extends to the outside along the position where the receiving cavity (4) connects with the notch (3).
7. The sliding guide device for the inlet of a wire rod mill according to claim 1, characterized in that: The limiting block (7) is made of the same material as the contact ring (6), and is adapted to the limiting groove (5) as a whole. The side away from the contact ring (6) is in contact with the inner wall of the limiting groove (5).
8. The sliding guide device for the inlet of a wire rod mill according to claim 1, characterized in that: The edge of the notch (3) is provided with a rounded chamfer.