Flying shear blade locking structure

Abstract

The utility model provides a flying shear blade locking structure which comprises a blade frame, a shear blade is detachably connected with the blade frame, and a dovetail tenon-shaped mounting seat is arranged at the lower end of the blade frame; a limiting boss is fixedly arranged at one end of the base; a clamping position for clamping the mounting base is formed between the locking block and the limiting boss, and the end face, away from the clamping position, of the locking block is an inclined face; and the driving rod is rotationally connected with the base, the driving rod is in threaded connection with the locking block, and the driving rod is arranged in the inclination direction of the inclined surface of the locking block. The locking device has the advantages that compared with a traditional mode that a hydraulic cylinder drives the locking block to move, movement of the locking block can be completed by matching rotation of the driving rod with arrangement of the inclined face of the locking block, operation is more convenient, and the locking device has a wider application range.

Description

TECHNICAL FIELD

[0001] The utility model belongs to flying shear equipment technical field, especially a flying shear blade locking structure is provided. BACKGROUND

[0002] Flying shear as an important link on the section steel production line needs to cut head and tail of each rolled piece to ensure the finished product quality of rolled piece and the rolled piece smoothly enters the finishing mill, which makes the shear blade frequently used, and the shear blade needs to be replaced frequently during maintenance, and the shear blade locking device not only needs to be fixed and locked during flying shear work, but also needs to be unlocked during shear blade replacement, but the flying shear working environment is extremely harsh, with high temperature, a lot of iron oxide skin and large water volume, the existing locking structure is locked by a hydraulic cylinder, and the following problems exist during use: first, the internal seal is often damaged under the influence of high temperature and iron oxide skin, the hydraulic locking leaks oil, the locking structure often fails, personnel need to be maintained frequently, and the production cost is increased;Second, the application range of the hydraulic oil circuit is limited. CONTENT OF THE UTILITY MODEL

[0003] Therefore, the utility model aims at providing a flying shear blade locking structure to solve at least one of the above technical problems.

[0004] To achieve the above purpose, the technical scheme of the utility model is as follows:

[0005] A flying shear blade locking structure, comprising:

[0006] A blade holder, the shear blade is detachably connected with the blade holder, and the lower end of the blade holder is provided with a dovetail-shaped mounting seat;

[0007] A base, one end of the base is fixedly provided with a limiting boss;

[0008] A locking block, the locking block and the limiting boss form a clamping position of the clamping mounting seat, and the end face of the locking block away from the clamping position is an inclined surface;

[0009] A driving rod, the driving rod is rotatably connected with the base, the driving rod is threadedly connected with the locking block, and the driving rod is arranged along the inclined direction of the inclined surface of the locking block.

[0010] Further, the base is provided with a limiting plate limiting both ends of the blade holder, and the limiting plate is connected with the base through bolts.

[0011] Further, the upper end of the blade holder is fixedly provided with a mounting plate on one side, a strip-shaped groove matched with the shear blade is formed in the upper end of the blade holder, the shear blade is installed in the strip-shaped groove, a through hole one is formed in the shear blade, a through hole two is formed in the mounting plate, a connecting bolt penetrates through the through hole one and the through hole two and is threadedly connected with a nut.

[0012] Further, the end face of the limiting boss near the clamping position is a first clamping face, and the upper end of the first clamping face is inclined to the clamping position;

[0013] The end face of the locking block near the clamping position is a second clamping face, and the upper end of the second clamping face is inclined to the clamping position.

[0014] The dovetail groove structure is formed between the first clamping face and the second clamping face.

[0015] Further, the end face of the locking block away from the clamping position is provided with an ear plate, and the ear plate is provided with a threaded hole;

[0016] The base is provided with a mounting block, the mounting block is connected with the base through bolts, and the mounting block is provided with a sliding groove corresponding to the ear plate, and the width of the sliding groove is greater than the width of the ear plate.

[0017] The driving rod is threadedly connected with the mounting block.

[0018] The end face of the mounting block near the locking block is an inclined face, and the inclined face of the mounting block is attached to the inclined face of the locking block.

[0019] The distance between one end of the inclined face of the locking block and the clamping position is greater than the distance between the other end of the inclined face and the clamping position.

[0020] Further, the driving rod comprises a first rotating part, a threaded part, a connecting part, and a second rotating part connected in sequence, the diameter of the first rotating part is smaller than the diameter of the threaded part, and the diameter of the second rotating part is smaller than the diameter of the connecting part.

[0021] The mounting block is provided with a first mounting groove corresponding to the first rotating part, and the first mounting groove is provided with a rotating seat, the rotating seat is provided with a first rotating hole, and the first rotating part is rotatably connected to the inner side of the first rotating hole.

[0022] The mounting block is provided with a second mounting groove corresponding to the second rotating part, the second mounting groove is provided with an opening in the side wall of the mounting block, the second mounting groove is provided with a baffle, the baffle is provided with a second rotating hole, the second rotating part is rotatably connected to the inner side of the second rotating hole, and the baffle is connected with the mounting block through bolts.

[0023] The second rotating part protrudes from the baffle, and the second rotating part is fixedly provided with a hexagonal prism.

[0024] Further, a sleeve is arranged between the outer side wall of the first rotating part and the inner wall of the first rotating hole.

[0025] A sleeve is arranged between the outer side wall of the second rotating part and the inner wall of the second rotating hole.

[0026] Further, the sleeve is a structural member of copper material, and an annular boss is arranged on the outer side of one end of the sleeve close to the threaded part.

[0027] Further, the mounting block is provided with a cover plate, the cover plate is connected with the mounting block through bolts, and the cover plate seals the upper end openings of the first mounting groove, the second mounting groove and the sliding groove.

[0028] Further, a strip-shaped groove is opened on the end face of the blade holder away from the boss, and the strip-shaped groove is arranged along the length direction of the mounting seat.

[0029] The cover plate is fixed with a strip-shaped boss matched with the strip-shaped groove on the end face close to the blade holder, and the strip-shaped boss is located on the inner side of the strip-shaped groove.

[0030] Compared with the prior art, the flying shear blade locking structure has the following beneficial effects:

[0031] (1) The flying shear blade locking structure has the following beneficial effects: compared with the traditional hydraulic cylinder driving locking block movement, the movement of the locking block can be completed through the rotation of the driving rod and the inclined surface of the locking block, the operation is more convenient, and the structure has a wider application range.

[0032] (2) The flying shear blade locking structure has the following beneficial effects: the mounting block is provided with a cover plate, the cover plate is connected with the mounting block through bolts, and the cover plate seals the upper end openings of the first mounting groove, the second mounting groove and the sliding groove, so that the cover plate can prevent iron filings from entering the inner side of the sliding groove and prolong the service life of the driving rod. BRIEF DESCRIPTION OF DRAWINGS

[0033] The accompanying drawings, which form a part of this description, are included to provide a further understanding of the application and are incorporated in and constitute a part of this application. The embodiments of the application will be described and explained with additional specificity and detail through the use of the accompanying drawings in which:

[0034] Figure 1 The figure is a three-dimensional structure schematic view of the blade locking structure according to the embodiment of the application;

[0035] Figure 2 The figure is a three-dimensional structure schematic view of the base according to the embodiment of the application;

[0036] Figure 3 The figure is a three-dimensional structure schematic view of the blade holder according to the embodiment of the application;

[0037] Figure 4 The figure is a three-dimensional structure schematic view of the locking block according to the embodiment of the application;

[0038] Figure 5 The figure is a three-dimensional structure schematic view of the mounting block according to the embodiment of the application;

[0039] Figure 6 A first cross-sectional structure schematic view of the shear blade locking structure according to the embodiment of the utility model;

[0040] Figure 7 A second cross-sectional structure schematic view of the shear blade locking structure according to the embodiment of the utility model;

[0041] Figure 8 A third cross-sectional structure schematic view of the shear blade locking structure according to the embodiment of the utility model; Figure 7 A structure schematic view of A in the third cross-sectional structure;

[0042] Figure 9 A fourth cross-sectional structure schematic view of the shear blade locking structure according to the embodiment of the utility model; Figure 8 A structure schematic view of B in the fourth cross-sectional structure;

[0043] Figure 10 A three-dimensional structure schematic view of the shear blade locking structure without installing blade holder and cover plate according to the embodiment of the utility model.

[0044] Mark explanation:

[0045] 1, base; 2, mounting block; 3, shear blade; 4, limiting plate; 5, blade holder; 6, locking block; 7, drive rod; 8, cover plate; 9, baffle; 10, rotating seat; 11, sleeve; 101, limiting boss; 201, second installation groove; 202, first installation groove; 203, sliding groove; 501, mounting seat; 502, mounting plate; 503, strip-shaped groove; 504, through hole two; 505, strip-shaped recess; 601, ear plate; 602, threaded hole; 701, first rotating part; 702, threaded part; 703, connecting part; 704, second rotating part; 705, hexagonal prism; 801, strip-shaped boss. Specific implementation

[0046] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict.

[0047] In the description of the utility model, it is necessary to understand that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "a plurality of" is two or more, unless otherwise specified.

[0048] In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected, it can be mechanical connection, or electrical connection, it can be directly connected, or indirectly connected through an intermediate medium, it can be the communication inside two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0049] The utility model will be described in detail below with reference to the drawings and in combination with the embodiments.

[0050] As Figures 1 to 10 shown, a flying shear shear blade locking structure, it includes: blade holder 5, shear blade 3 and blade holder 5 are detachably connected, the lower end of blade holder 5 is equipped with dovetail-shaped mounting seat 501;Base 1, one end of base 1 is fixedly provided with limiting boss 101;Locking block 6, the clamping mounting seat 501 is formed between locking block 6 and limiting boss 101 clamping position, the end face of locking block 6 away from clamping position is inclined surface;Driving rod 7, driving rod 7 is rotatably connected with base 1, driving rod 7 is threadedly connected with locking block 6, and driving rod 7 is arranged along the inclined direction of the inclined surface of locking block 6.

[0051] Limiting plate 4 for limiting both ends of blade holder 5 is arranged on base 1, and limiting plate 4 is connected with base 1 through bolts.

[0052] The mounting plate 502 is fixedly arranged on one side of the upper end of the blade holder 5, a strip-shaped groove 503 matched with the shear blade 3 is formed in the upper end of the blade holder 5, the shear blade 3 is installed in the strip-shaped groove 503, a through hole one is formed in the shear blade 3, a through hole two 504 is formed in the mounting plate 502, and a connecting bolt penetrates through the through hole one and the through hole two 504 and is threadedly connected with a nut.

[0053] The end face of the limiting boss 101 near the clamping position is a first clamping face, and the upper end of the first clamping face is inclined to the clamping position; the end face of the locking block 6 near the clamping position is a second clamping face, and the upper end of the second clamping face is inclined to the clamping position; the first clamping face and the second clamping face form a dovetail groove structure.

[0054] The end face of the locking block 6 away from the clamping position is provided with an ear plate 601, and the ear plate 601 is provided with a threaded hole 602; the base 1 is provided with a mounting block 2, the mounting block 2 is connected with the base 1 through bolts, the mounting block 2 is provided with a sliding groove 203 corresponding to the ear plate 601, and the width of the sliding groove 203 is greater than the width of the ear plate 601; the driving rod 7 is threadedly connected with the mounting block 2; the end face of the mounting block 2 near the locking block 6 is an inclined face, and the inclined face of the mounting block 2 is attached to the inclined face of the locking block 6; the distance between one end of the inclined face of the locking block 6 and the clamping position is greater than the distance between the other end of the inclined face and the clamping position.

[0055] The driving rod 7 comprises a first rotating part 701, a threaded part 702, a connecting part 703 and a second rotating part 704 connected in sequence, the diameter of the first rotating part 701 is smaller than the diameter of the threaded part 702, and the diameter of the second rotating part 704 is smaller than the diameter of the connecting part 703; the mounting block 2 is provided with a first mounting groove 202 corresponding to the first rotating part 701, and a rotating seat 10 is arranged in the first mounting groove 202, the rotating seat 10 is provided with a first rotating hole, and the first rotating part 701 is rotatably connected to the inner side of the first rotating hole; the mounting block 2 is provided with a second mounting groove 201 corresponding to the second rotating part 704, the second mounting groove 201 is provided with an opening in the side wall of the mounting block 2, and the second mounting groove 201 is provided with a baffle 9, the baffle 9 is provided with a second rotating hole, and the second rotating part 704 is rotatably connected to the inner side of the second rotating hole, and the baffle 9 is connected with the mounting block 2 through bolts; the second rotating part 704 protrudes from the baffle 9, and the second rotating part 704 is fixedly provided with a hexagonal prism 705, which facilitates the rotation of the driving rod 7.

[0056] A sleeve 11 is arranged between the outer side wall of the first rotating part 701 and the inner wall of the first rotating hole; a sleeve 11 is arranged between the outer side wall of the second rotating part 704 and the inner wall of the second rotating hole.

[0057] The sleeve 11 is a structural member made of copper material, the copper material sleeve 11 prolongs the service life of the driving rod 7, one end of the sleeve 11 near the threaded part 702 is provided with an annular boss, the annular boss not only plays a limiting role for the sleeve 11, but also reduces the friction between the threaded part 702 and the rotating seat 10, and reduces the friction between the connecting part 703 and the baffle 9.

[0058] The mounting block 2 is provided with a cover plate 8, the cover plate 8 is connected with the mounting block 2 through bolts, the cover plate 8 seals the upper end opening of the first mounting groove 202, the second mounting groove 201 and the sliding groove 203, the cover plate 8 can prevent iron filings from entering the inside of the sliding groove 203, and the service life of the driving rod 7 is prolonged.

[0059] The blade holder 5 is provided with a strip-shaped groove 505 at the end face away from the boss, the strip-shaped groove 505 is arranged along the length direction of the mounting seat 501; the cover plate 8 is fixedly provided with a strip-shaped boss 801 matched with the strip-shaped groove 505 at the end face close to the blade holder 5, the strip-shaped boss 801 is located at the inside of the strip-shaped groove 505, the strip-shaped boss 801 plays a limiting role on the blade holder 5, prevents the blade holder 5 from moving upward and moving towards the mounting block 2, and when the blade holder 5 is disassembled, the cutting blade 3 can only be moved along the length direction of the mounting seat 501.

[0060] Working process:

[0061] When the blade holder 5 is disassembled, the driving rod 7 is rotated to drive the locking block 6 to move downward, at this time, the distance between the first clamping surface and the second clamping surface is increased, the clamping state of the mounting seat 501 is released, then the limiting plate 4 is disassembled, under the limiting action of the strip-shaped boss 801 of the cover plate 8, the blade holder 5 can only move along the length direction of the mounting seat 501, after the new blade holder 5 and the cutting blade 3 are replaced, the limiting plate 4 is first installed to limit the two ends of the mounting seat 501, then the driving rod 7 is rotated to drive the locking block 6 to move towards the limiting boss 101 and clamp the mounting seat 501, and the base 1 is connected with the crank of the flying shear machine.

[0062] Compared with the traditional hydraulic cylinder driving the locking block 6 to move, the movement of the locking block 6 can be completed through the rotation of the driving rod 7 matched with the inclined surface of the locking block 6, the operation is more convenient, and the application range is wider.

[0063] The driving rod 7 and the sleeve 11 can be disassembled and replaced by removing the cover plate 8, and the maintenance efficiency is higher.

[0064] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application, and they should be covered in the scope of the claims and the description of the present application.

[0065] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A flying shear blade locking structure, characterized in that, The utility model relates to a cutting blade locking device of a cutting machine, which comprises a blade holder (5) to which a cutting blade (3) is detachably connected, a base (1) provided with a limiting boss (101) at one end, a locking block (6) to form a clamping position of the clamping seat (501) with the limiting boss (101), and a driving rod (7) rotatably connected with the base (1) and threadedly connected with the locking block (6). The base (1) is provided with a limiting plate (4) for limiting the two ends of the blade holder (5), and the limiting plate (4) is connected with the base (1) by bolts. The upper end of the blade holder (5) is provided with a mounting plate (502) on one side, and a strip-shaped slot (503) matched with the cutting blade (3) is formed in the upper end of the blade holder (5), the cutting blade (3) is installed in the strip-shaped slot (503), a through hole (I) is formed in the cutting blade (3), a through hole (II) (504) is formed in the mounting plate (502), and a connecting bolt passes through the through hole (I) and the through hole (II) (504) and is threadedly connected with a nut. The end face of the limiting boss (101) near the clamping position is a first clamping face, and the upper end of the first clamping face is inclined towards the clamping position. The end face of the locking block (6) near the clamping position is a second clamping face, and the upper end of the second clamping face is inclined towards the clamping position.

2. The shear blade locking structure of claim 1, wherein: The first clamping face and the second clamping face form a dovetail groove structure.

3. The structure for locking the blades of a flying shear according to claim 1, wherein: The end face of the locking block (6) away from the clamping position is provided with an ear plate (601), and a threaded hole (602) is formed in the ear plate (601).

4. The structure for locking the blades of a flying shear according to claim 1, wherein: The base (1) is provided with a mounting block (2) connected with the base (1) by bolts, and a sliding groove (203) corresponding to the ear plate (601) is formed in the mounting block (2), and the width of the sliding groove (203) is greater than the width of the ear plate (601). The driving rod (7) is threadedly connected with the mounting block (2). The end face of the mounting block (2) near the locking block (6) is an inclined face, and the inclined face of the mounting block (2) is in contact with the inclined face of the locking block (6).

5. The structure for locking the blades of a flying shear according to claim 1, wherein: The distance between the end of the inclined face of the locking block (6) and the clamping position is greater than the distance between the other end of the inclined face and the clamping position. The driving rod (7) comprises a first rotating part (701), a threaded part (702), a connecting part (703), and a second rotating part (704) connected in sequence, the diameter of the first rotating part (701) is smaller than the diameter of the threaded part (702), and the diameter of the second rotating part (704) is smaller than the diameter of the connecting part (703). A first mounting groove (202) corresponding to the first rotating part (701) is formed in the mounting block (2), a rotating seat (10) is arranged in the first mounting groove (202), a first rotating hole is formed in the rotating seat (10), and the first rotating part (701) is rotatably connected to the inner side of the first rotating hole. ​ ​ 6. The shear blade locking structure of claim 5, wherein: ​ ​ The mounting block (2) is provided with a second mounting groove (201) corresponding to the second rotating part (704), the second mounting groove (201) is provided with an opening in the side wall of the mounting block (2), the second mounting groove (201) is provided with a baffle (9) in correspondence, the baffle (9) is provided with a second rotating hole, the second rotating part (704) is rotatably connected to the inner side of the second rotating hole, and the baffle (9) is connected with the mounting block (2) through bolts. The second rotating part (704) is provided on the baffle (9), and a hexagonal prism (705) is fixedly arranged on the second rotating part (704).

7. The shear blade locking structure of claim 6, wherein: The first rotating part (701) is provided with a sleeve (11) between the outer side wall and the inner wall of the first rotating hole. The second rotating part (704) is provided with a sleeve (11) between the outer side wall and the inner wall of the second rotating hole.

8. The shear blade locking structure of claim 7, wherein: The sleeve (11) is a copper structural member, and the sleeve (11) is provided with an annular boss on one end of the outer side close to the threaded part (702).

9. The shear blade locking structure of claim 5, wherein: The mounting block (2) is provided with a cover plate (8), the cover plate (8) is connected with the mounting block (2) through bolts, and the cover plate (8) seals the upper end openings of the first mounting groove (202), the second mounting groove (201) and the sliding groove (203).

10. The shear blade locking structure of claim 9, wherein: The end face of the blade holder (5) away from the boss is provided with a strip-shaped groove (505), and the strip-shaped groove (505) is arranged along the length direction of the mounting seat (501). The end face of the cover plate (8) close to the blade holder (5) is fixedly provided with a strip-shaped boss (801) matched with the strip-shaped groove (505), and the strip-shaped boss (801) is located on the inner side of the strip-shaped groove (505).

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