Round steel machining three-roller mill with radial locking structure
By introducing a radial locking structure into a three-roll mill, and using a servo motor and lead screw system to lock, position, and adjust the height of round steel parts, the deformation problem caused by gravity falling during the rolling process of round steel workpieces is solved, resulting in a more stable rolling process and a safer operating environment.
Patent Information
- Application Number
- CN202520231878.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-14
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-02-14
AI Technical Summary
During the rolling process of a three-roll mill for round steel processing, the round steel workpiece is prone to deformation at the mill exit position due to gravity falling, and there is a lack of effective radial locking and positioning measures.
A three-roll mill with a radial locking structure was designed. The auxiliary locking and positioning of round steel parts is achieved by driving a bidirectional lead screw and threaded sleeve with a servo motor. The height of the mill is adjusted by a servo motor and a bevel gear system, and an outer frame is installed in front of the mill for protection.
It achieves effective locking and positioning of round steel parts at the mill exit position, reduces deformation, and allows for adjustment of mill height and provides front protection, thus improving operational stability and safety.
Smart Images
Figure CN223801198U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to bar three roll mill technical field, concretely is a kind of three roll mill with radial locking structure for round steel processing. BACKGROUND
[0002] Bar three roll mill is a kind of equipment specially used for rolling metal bar, can be rolled into metal bar product with different diameters and shapes by metal blank, and is widely used in the production and processing of various specifications of round steel bar.
[0003] But three roll mill for round steel processing in actual use, round steel workpiece is rolled in the mill inside, and the rolled round steel workpiece will fall due to its own gravity factor, and the outlet position of the round steel of the rolling mill is easily deformed, which has the disadvantages of not having the measure of assisting radial locking positioning of the round steel workpiece at the rolling outlet position of the rolling mill.
[0004] Now, a new three roll mill with radial locking structure for round steel processing is proposed to solve the above problems. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a three roll mill with radial locking structure for round steel processing to solve the problem of not being convenient for assisting radial locking positioning of round steel in the background art.
[0006] To achieve the above object, the utility model provides the following technical scheme: a three roll mill with radial locking structure for round steel processing, including rack and mill body, the inside of rack is provided with mill body, and the middle position in the inside of mill body is provided with opening, the top of front end of mill body is fixed with mounting seat, and the inside of mounting seat is horizontally movably connected with two-way screw rod, the outside of two-way screw rod is respectively screw-connected with threaded sleeve, the inside of bottom end of mounting seat is provided with bottom groove, the both sides of bottom end of mounting seat are respectively provided with side seat, the right side of mounting seat is fixedly provided with servo motor one.
[0007] As a further technical scheme of the utility model, the output shaft of servo motor one is fixedly connected with the right side of two-way screw rod, and the bottom end of two groups of threaded sleeves respectively penetrates the inside of bottom groove and is fixedly connected with the top end of two groups of side seats.
[0008] As a further technical scheme of the utility model, the side seat is symmetrically arranged about the vertical center line of opening.
[0009] As a further technical scheme of the utility model, the top end of the rack is movably connected with a threaded sleeve, and a disc tooth is fixed to the outside of the threaded sleeve, a servo motor two is fixed to the right side of the top end of the rack, and a bevel gear is fixed to the output shaft of the servo motor two, a one-way screw rod is threadedly connected to the inside of the threaded sleeve, and a limiting plate is fixed to the top end of the one-way screw rod, the bottom end of the one-way screw rod penetrates the inside of the top end of the rack and is fixedly connected with the top end of the rolling mill body, a fixed cover is fixed to the top of the rack, guide rods are vertically fixed to the two sides in the inside of the rack, and side sleeves are fixed to the two sides of the rolling mill body.
[0010] As a further technical scheme of the utility model, the bevel gear is meshingly connected with the disc tooth, and the guide rods penetrate the inside of the side sleeves.
[0011] As a further technical scheme of the utility model, the top end and the bottom end of the front end of the rolling mill body are respectively provided with outer racks, and the top and the bottom of the two sides of the front end of the rolling mill body are respectively provided with two groups of mounting bolts, and the top and the bottom of the two sides of the front end of the rolling mill body are respectively provided with two groups of screw holes.
[0012] As a further technical scheme of the utility model, the rear end of the mounting bolt penetrates the inside of the outer rack and is threadedly connected in the screw hole.
[0013] As a further technical scheme of the utility model, the inside of the opening is provided with a roll stand, and a roll body is movably connected to the inside of the roll stand, three groups of roll stands are annularly and equidistantly arranged on the inside of the opening, an installation groove is arranged in the inside of the rolling mill body, a hydraulic cylinder is arranged in the inside of the installation groove, three groups of hydraulic cylinders are equidistantly arranged in the inside of the rolling mill body, and the output end of the hydraulic cylinder is fixedly connected with the right side of the roll stand.
[0014] Compared with the prior art, the utility model has the advantages that the three-roll rolling mill with a radial locking structure not only realizes the radial locking positioning of the round steel workpiece at the rolling mill outlet position, but also realizes the adjustment of the operation and use height of the rolling mill and the auxiliary protection of the front of the rolling mill.
[0015] (1) By setting the rack, the rolling mill body, the mounting seat, the opening, the threaded sleeve, the bidirectional screw rod, the servo motor one, the bottom groove and the side seat, when the round steel workpiece is rolled and processed, the round steel workpiece is guided out from the inside of the opening, then the servo motor one is controlled to start and drive the bidirectional screw rod to rotate, the threaded sleeve is threadedly connected with the servo motor one, the two groups of side seats are driven to move inwards, and the two groups of side seats are respectively abutted against the two sides of the round steel workpiece, so that the round steel workpiece at the rolling mill outlet position is locked and positioned, and the deformation of the round steel workpiece is reduced.
[0016] (2) through the setting frame, rolling mill main body, guide rod, side cover, fixed cover, limit plate, disc tooth, screw sleeve, one-way screw, servo motor two and bevel gear, three roll rolling mill uses, can control servo motor two start drive bevel gear rotation, bevel gear rotation can utilize the disc tooth of meshing drive screw sleeve rotation, screw sleeve rotation can drive the one-way screw of internal thread connection uplink, and can drive the rolling mill main body uplink simultaneously, can adjust the operation use height of rolling mill up and down;
[0017] (3) through the setting rolling mill main body, screw hole, outer frame and mounting bolt, three roll rolling mill installation uses, respectively in the front end of rolling mill main body both sides vertical installation fixed outer frame, the front position of rolling mill can be protected by the auxiliary outer cover of symmetrical two groups of outer frame, can reduce the collision damage caused by external equipment vehicle to the front of rolling mill. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is the front view sectional structure schematic diagram of the utility model;
[0019] Figure 2 It is the front view local sectional structure schematic diagram of the utility model's rolling mill main body;
[0020] Figure 3 It is the side view structure schematic diagram of the utility model's side seat;
[0021] Figure 4 It is the front view local structure schematic diagram of the utility model's one-way screw;
[0022] Figure 5 It is the side view structure schematic diagram of the utility model's outer frame.
[0023] In the drawing: 1, frame; 2, guide rod; 3, side cover; 4, rolling mill main body; 5, limit plate; 6, fixed cover; 7, mounting seat; 8, opening; 9, screw hole; 10, roll stand; 11, installation groove; 12, hydraulic cylinder; 13, roll main body; 14, side seat; 15, threaded sleeve; 16, two-way screw; 17, servo motor one; 18, bottom groove; 19, disc tooth; 20, screw sleeve; 21, one-way screw; 22, servo motor two; 23, bevel gear; 24, outer frame; 25, mounting bolt. DETAILED DESCRIPTION
[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction 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. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.
[0025] Please refer toFigures 1-5 The utility model provides a kind of embodiment: a three roll mill with radial locking structure is used in round steel processing, including rack 1 and rolling mill main body 4, the inside of rack 1 is provided with rolling mill main body 4, and opening 8 is set at the middle position of the inside of rolling mill main body 4, and the top of the front end of rolling mill main body 4 is fixed with mounting seat 7, and the inside of mounting seat 7 is movably connected with two-way screw rod 16, and the outside of two-way screw rod 16 is respectively screw-connected with threaded sleeve 15, and the inside of the bottom end of mounting seat 7 is provided with bottom groove 18, and the both sides of the bottom end of mounting seat 7 are respectively provided with side seat 14, and the right side of mounting seat 7 is fixedly provided with servo motor one 17;
[0026] The output shaft of servo motor one 17 is fixedly connected with the right side of two-way screw rod 16, and the bottom end of two groups of threaded sleeves 15 is respectively penetrated into the inside of bottom groove 18 and is fixedly connected between the top end of two groups of side seats 14, and side seat 14 is symmetrically arranged about the vertical center line of opening 8.
[0027] Specifically, as shown in Figure 1 And Figure 3 After round steel workpiece is guided out from the inside of opening 8, then servo motor one 17 can be controlled to start driving two-way screw rod 16 to rotate, and while servo motor one 17 rotates, threaded sleeve 15 connected by screwing can drive two groups of side seats 14 to move inward, and can be respectively abutted on the both sides of round steel piece, to assist locking and positioning round steel piece at the rolling mill rolling outlet position.
[0028] The top end of rack 1 is movably connected with screw sleeve 20, and the outside of screw sleeve 20 is fixedly provided with disc tooth 19, the right side of the top end of rack 1 is fixedly provided with servo motor two 22, and the output shaft of servo motor two 22 is fixedly provided with bevel gear 23, the inside of screw sleeve 20 is screw-connected with one-way screw rod 21, and the top end of one-way screw rod 21 is fixedly provided with limit plate 5, the bottom end of one-way screw rod 21 is penetrated into the inside of the top end of rack 1 and is fixedly connected between the top end of rolling mill main body 4, the top of rack 1 is fixedly provided with fixed cover 6, the both sides of the inside of rack 1 are respectively vertically fixedly provided with guide rod 2, the both sides of rolling mill main body 4 are respectively fixedly provided with side sleeve 3, bevel gear 23 is meshingly connected with disc tooth 19, and guide rod 2 is penetrated into the inside of side sleeve 3.
[0029] Specifically, as shown in Figure 1 And Figure 4 Servo motor two 22 can be controlled to start driving bevel gear 23 to rotate, and while bevel gear 23 rotates, disc tooth 19 meshed can be used to drive screw sleeve 20 to rotate, and while screw sleeve 20 rotates, one-way screw rod 21 screw-connected in the inside can be driven to move upward, and at the same time, rolling mill main body 4 can be driven to move upward, to adjust the height of rolling mill operation and use.
[0030] Two outer frames 24 are arranged on both sides of the front end of the rolling mill body 4, and two groups of mounting bolts 25 are arranged on the top and bottom of the front end of the outer frame 24; two groups of screw holes 9 are arranged on the top and bottom of the front end of the rolling mill body 4, and the rear end of the mounting bolt 25 penetrates the inside of the outer frame 24 and is threadedly connected in the screw hole 9;
[0031] Specifically, as shown in Figure 1 and Figure 5 two groups of outer frames 24 are vertically arranged on both sides of the front end of the rolling mill body 4, and the symmetrical two groups of outer frames 24 can assist in the front position of the rolling mill.
[0032] The inside of the opening 8 is provided with a roll stand 10, and the inside of the roll stand 10 is movably connected with a roll body 13; three groups of roll stands 10 are annularly and equidistantly arranged on the inside of the opening 8; the inside of the rolling mill body 4 is provided with a mounting groove 11, and the inside of the mounting groove 11 is provided with a hydraulic cylinder 12; three groups of hydraulic cylinders 12 are equidistantly arranged in the inside of the rolling mill body 4, and the output end of the hydraulic cylinder 12 is fixedly connected with the right side of the roll stand 10.
[0033] Working principle: when the rolling mill is used for rolling the round steel workpiece, the round steel workpiece passes through the rolling and rolling guide of the three groups of roll bodies 13 from the inside of the opening 8, and then the servo motor one 17 can be controlled to start driving the bidirectional screw rod 16 to rotate; the servo motor one 17 rotates simultaneously, and the threaded sleeve 15 connected by threads can drive the two groups of side seats 14 to move inward, and can be respectively abutted on both sides of the round steel workpiece, so as to assist in locking and positioning the round steel workpiece at the rolling outlet position of the rolling mill; at the same time, when the three-roll rolling mill is used, the servo motor two 22 can be controlled to start driving the bevel gear 23 to rotate, the bevel gear 23 rotates simultaneously, and the disc teeth 19 engaged can drive the screw sleeve 20 to rotate, so as to drive the internally threaded one-way screw rod 21 to move upward, and at the same time, the rolling mill body 4 can be moved upward, so as to adjust the height of the operation and use of the rolling mill, and the outer frame 24 is vertically arranged and fixed on both sides of the front end of the rolling mill body 4, and the symmetrical two groups of outer frames 24 can assist in the front position of the rolling mill.
[0034] For those skilled in the art, it is obvious that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.
Claims
1. A three-roll mill for processing round steel with a radial locking structure, comprising a frame (1) and a mill body (4), characterized in that: The inside of the rack (1) is provided with a rolling mill body (4), and an opening (8) is formed at the middle position of the inside of the rolling mill body (4), the top of the front end of the rolling mill body (4) is fixedly connected with a mounting seat (7), the inside of the mounting seat (7) is transversely movably connected with a bidirectional screw rod (16), the outside of the bidirectional screw rod (16) is threadedly connected with a threaded sleeve (15) on both sides, the inside of the bottom end of the mounting seat (7) is provided with a bottom groove (18), the both sides of the bottom end of the mounting seat (7) are provided with a side seat (14), and the right side of the mounting seat (7) is fixedly connected with a servo motor (17).
2. The three-roll mill with radial locking structure for round steel processing according to claim 1, characterized in that: The output shaft of the servo motor (17) is fixedly connected with the right side of the bidirectional screw rod (16), the bottom end of the two groups of threaded sleeves (15) penetrates the inside of the bottom groove (18) and is fixedly connected with the top end of the two groups of side seats (14).
3. The three-roll mill with radial locking structure for round steel processing according to claim 1, characterized in that: The side seats (14) are symmetrically arranged about the vertical center line of the opening (8).
4. The three-roll mill with radial locking structure for round steel processing according to claim 1, characterized in that: The top end of the rack (1) is movably connected with a screw sleeve (20), the outside of the screw sleeve (20) is fixedly connected with a disc gear (19), the right side of the top end of the rack (1) is fixedly connected with a servo motor (22), the output shaft of the servo motor (22) is fixedly connected with a bevel gear (23), the inside of the screw sleeve (20) is threadedly connected with a unidirectional screw rod (21), the top end of the unidirectional screw rod (21) is fixedly connected with a limiting plate (5), the bottom end of the unidirectional screw rod (21) penetrates the inside of the top end of the rack (1) and is fixedly connected with the top end of the rolling mill body (4), the top of the rack (1) is fixedly connected with a fixed cover (6), the both sides of the inside of the rack (1) are vertically fixedly connected with a guide rod (2), and the both sides of the rolling mill body (4) are fixedly connected with a side sleeve (3).
5. The three-roll mill with radial locking structure for processing round steel according to claim 4, characterized in that: The bevel gear (23) is meshingly connected with the disc gear (19), and the guide rod (2) penetrates the inside of the side sleeve (3).
6. The three-roll mill with radial locking structure for round steel processing according to claim 1, characterized in that: The both sides of the front end of the rolling mill body (4) are provided with an outer frame (24), the top and the bottom of the front end of the outer frame (24) are respectively provided with two groups of mounting bolts (25), and the top and the bottom of the both sides of the front end of the rolling mill body (4) are respectively provided with two groups of screw holes (9).
7. The three-roll mill with radial locking structure for round steel processing according to claim 6, characterized in that: The rear end of the mounting bolt (25) penetrates the inside of the outer frame (24) and is threadedly connected in the screw hole (9).
8. The three-roll mill with radial locking structure for round steel processing according to claim 1, characterized in that: The inside of the opening (8) is provided with a roller frame (10), the inside of the roller frame (10) is movably connected with a roller body (13), three groups of the roller frames (10) are annularly and equidistantly arranged on the inside of the opening (8), the inside of the rolling mill body (4) is provided with a mounting groove (11), the inside of the mounting groove (11) is mounted with a hydraulic cylinder (12), three groups of the hydraulic cylinders (12) are equidistantly arranged in the inside of the rolling mill body (4), and the output end of the hydraulic cylinder (12) is fixedly connected with the right side of the roller frame (10).