H-shaped steel hydraulic cut-off machine
By designing an anti-arch arc structure in the H-shaped steel hydraulic cutting machine, the motion trajectory of the cutting knife is limited, and the problem that the cutting knife is prone to form an arch arc when the hydraulic cutting machine cuts the H-shaped steel is solved, extending the service life of the cutting knife and improving the cutting efficiency.
Patent Information
- Application Number
- CN202421585753.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-05
- Publication Date
- 2025-05-13
- Estimated Expiration
- 2034-07-05
AI Technical Summary
When cutting H-shaped steel, existing hydraulic cutting machines have shorter bed surfaces, resulting in too long blade ends, resulting in lateral pressure, which can easily lead to the overall formation of an arch arc of the cutting knife and shorten its service life.
A H-shaped steel hydraulic cutting machine is designed, adopting an anti-arch arc structure, including a fixed plate, a limiting plate and an electric telescopic rod. Through these structures and devices, the movement trajectory of the cutting knife is limited and the formation of the arch arc is prevented.
Effectively prevent the cutting knife from producing arches during the cutting process, extending the service life of the cutting knife, and improving cutting accuracy and efficiency.
Smart Images

Figure CN222856830U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of H-shaped steel hydraulic cutting machines, and specifically relates to an H-shaped steel hydraulic cutting machine. Background Art
[0002] H-shaped steel is produced online by sawing. Due to process limitations, it is not possible to make small lengths. According to this technical requirement, a hydraulic cutting machine is designed and manufactured. The hydraulic cutting machine can flexibly complete cutting work of various sizes, and the size, speed and quality are greatly improved;
[0003] At present, when the hydraulic cutting machine is in use, due to the short bed surface and the blade end extending too long, the punching produces lateral pressure, which easily causes the cutting blade to form an arched surface as a whole, thus shortening the service life of the cutting blade;
[0004] In order to solve the above problems, this application proposes an H-shaped steel hydraulic cutting machine. Utility Model Content
[0005] In view of the problems in the related technology, the utility model proposes an H-shaped steel hydraulic cutting machine to overcome the above technical problems existing in the existing related technology.
[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0007] An H-shaped steel hydraulic cutting machine comprises a base, a bracket is mounted on the base, a hydraulic rod is mounted on the bracket, and a cutting knife is mounted on the output end of the hydraulic rod through the top end of the bracket;
[0008] Anti-arch structures are provided on both sides of the bracket;
[0009] The anti-arch structure includes fixed plates installed on both sides of the bracket, and opposite sides of the two fixed plates are provided with placement grooves. The two fixed plates are movably inserted with limit plates through the placement grooves, and the opposite sides of the two limit plates are respectively in contact with the two sides of the cutting knife.
[0010] The base is provided with a passage, and the cutting knife is adapted to the passage. The passage is provided so that the cutting knife can normally pass through the H-shaped steel when cutting the H-shaped steel.
[0011] The fixed plate is provided with a slide groove through the placement groove, and the fixed plate is slidably connected with a slider through the slide groove. One side of the limiting plate is connected to one side of the slider. The slide groove and the slider are provided to limit the movement trajectory of the limiting plate.
[0012] The fixed plate is provided with an operating port connected with the placement groove, a moving block is installed on one side of the limiting plate, and a movable frame is installed on one side of the movable block through the operating port. By setting the operating port, the moving block and the movable frame, it is convenient to lift the limiting plate.
[0013] A first square ring is installed on the movable frame, a support frame is installed on the top of the fixed plate, a first electric telescopic rod is installed on the support frame, a second square ring is installed at the telescopic end of the first electric telescopic rod, a fixed frame is installed on the movable frame, a second electric telescopic rod is installed on the fixed frame, an insertion rod is installed at the telescopic end of the second electric telescopic rod, the outer side of the insertion rod is adapted to the inner sides of the first square ring and the second square ring, and by arranging the first square ring, the first electric telescopic rod, the second square ring, the fixed frame, the second electric telescopic rod and the insertion rod, it is convenient to move the limit plate up.
[0014] The fixing plate is provided with a spring through a sliding groove, and the sliding block is installed at one end of the spring. By arranging the spring, the H-shaped steel is fixed on the base by means of the elastic force of the spring.
[0015] To sum up, the technical effects and advantages of the utility model are as follows: the H-shaped steel hydraulic cutting machine is provided with an anti-arch arc structure, when the cutting knife cuts the H-shaped steel, the cutting knife is subjected to pressure and has an overall arch arc tendency, and the two limit plates are fitted on both sides of the cutting knife, thereby achieving the effect of intercepting the overall arch arc of the cutting knife as much as possible, which is helpful to protect the cutting knife and achieves the purpose of extending the service life of the cutting knife; by starting the second electric telescopic rod, the telescopic end of the rod drives the insertion rod to be inserted into the inner side of the first square ring and the second square ring in turn, and then the first electric telescopic rod is started, so that the telescopic end drives the limit plate to move up, so that the H-shaped steel is placed on the base, and when the H-shaped steel is placed, the first electric telescopic rod is started, so that the telescopic end drives the limit plate to move down and rest on the H-shaped steel, and the second electric telescopic rod is started, so that the telescopic end drives the insertion rod to separate from the first square ring and the second square ring. At this time, the limit plate plays a role in fixing the H-shaped steel with the help of the downward elastic force of the spring. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This utility model is a schematic diagram showing the structure of a cutting knife and its related parts;
[0017] Figure 2 This is a cross-sectional schematic diagram showing the internal structure of the fixing plate of the utility model;
[0018] Figure 3 The utility model is a schematic diagram showing the overall structure of the device.
[0019] In the figure:
[0020] 1. Base; 101. Passageway;
[0021] 2. Bracket; 3. Hydraulic rod; 4. Cutting knife;
[0022] 5. Anti-arch structure; 501. Fixed plate; 502. Placement slot; 503. Slide slot; 504. Slider; 505. Limit plate; 506. Spring; 507. Operation port; 508. Moving block; 509. Movable frame; 510. First square ring; 511. Support frame; 512. First electric telescopic rod; 513. Second square ring; 514. Fixed frame; 515. Second electric telescopic rod; 516. Insert rod. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0024] Reference Figure 1 A hydraulic cutting machine for H-shaped steel comprises a base 1, a bracket 2 is installed on the base 1, a hydraulic rod 3 is installed on the bracket 2, a cutting knife 4 is installed at the output end of the hydraulic rod 3 through the top of the bracket 2, a passage 101 is opened on the base 1, and the cutting knife 4 is matched with the passage 101. The H-shaped steel is placed on the base 1, and then the hydraulic rod 3 is started, so that its telescopic end drives the cutting knife 4 to move downward, thereby achieving the effect of cutting the H-shaped steel.
[0025] Reference Figure 1 and Figure 2 , anti-arching structure 5 is provided on both sides of the bracket 2, and the anti-arching structure 5 includes fixed plates 501 installed on both sides of the bracket 2, and placement grooves 502 are opened on the opposite sides of the two fixed plates 501, and limit plates 505 are movably inserted into the two fixed plates 501 through the placement grooves 502, and the opposite sides of the two limit plates 505 are respectively fitted with the two sides of the cutting knife 4. When the cutting knife 4 cuts the H-shaped steel, the cutting knife 4 is subjected to pressure and has an overall arching tendency. At this time, the two limit plates 505 are fitted on both sides of the cutting knife 4, achieving the effect of intercepting the overall arch of the cutting knife 4 as much as possible, which is helpful to protect the cutting knife 4.
[0026] Reference Figure 2 The fixed plate 501 is provided with a slide groove 503 through the placement groove 502, and the fixed plate 501 is slidably connected with a slider 504 through the slide groove 503. One side of the limiting plate 505 is connected to one side of the slider 504. The slider 504 slides in the slide groove 503 to form a movement trajectory for the limiting plate 505.
[0027] Reference Figure 1 and Figure 3An operating port 507 communicating with the placement slot 502 is provided on the fixed plate 501, a moving block 508 is installed on one side of the limiting plate 505, and a movable frame 509 is installed on one side of the moving block 508 through the operating port 507. When the H-shaped steel needs to be placed on the base 1, the moving block 508 is moved up by moving the movable frame 509 upward, and the moving block 508 is moved up by moving the limiting plate 505 upward, which is convenient for placing the H-shaped steel on the base 1.
[0028] A first square ring 510 is installed on the movable frame 509, a support frame 511 is installed on the top of the fixed plate 501, a first electric telescopic rod 512 is installed on the support frame 511, a second square ring 513 is installed at the telescopic end of the first electric telescopic rod 512, a fixed frame 514 is installed on the movable frame 509, a second electric telescopic rod 515 is installed on the fixed frame 514, a plug rod 516 is installed at the telescopic end of the second electric telescopic rod 515, the outer side of the plug rod 516 is adapted to the inner side of the first square ring 510 and the second square ring 513, by starting the second electric telescopic rod 515, the telescopic end thereof drives the plug rod 516 to be inserted into the inner side of the first square ring 510 and the second square ring 513 in sequence, and then the first electric telescopic rod 512 is started, so that the telescopic end thereof drives the movable frame 509 to move upward, thereby achieving the effect of facilitating the upward movement of the limit plate 505.
[0029] Reference Figure 1 and Figure 2 The fixing plate 501 is provided with a spring 506 through the slide groove 503, and the slider 504 is installed on one end of the spring 506. When the H-shaped steel is placed, the first electric telescopic rod 512 is started, so that its telescopic end drives the limit plate 505 to move downward, so that the limit plate 505 is placed on the H-shaped steel, and then the second electric telescopic rod 515 is started, so that its telescopic end drives the insertion rod 516 to separate from the first square ring 510 and the second square ring 513. At this time, the limit plate 505 plays a role in fixing the H-shaped steel with the help of the downward elastic force of the spring 506.
[0030] Working principle:
[0031] The H-shaped steel hydraulic cutting machine starts the second electric telescopic rod 515 so that its telescopic end drives the insertion rod 516 to be inserted into the inner sides of the first square ring 510 and the second square ring 513 in sequence, and then starts the first electric telescopic rod 512 so that its telescopic end drives the movable frame 509 to move upward, thereby moving the limit plate 505 upward, so as to facilitate the placement of the H-shaped steel on the base 1. After the H-shaped steel is placed, start the first electric telescopic rod 512 so that its telescopic end drives the limit plate 505 to move downward so that the limit plate 505 is placed on the H-shaped steel, and then start the second electric telescopic rod 515 so that its telescopic end drives the insertion rod 516 to be separated from the first square ring 510 and the second square ring 513. At this time, the limit plate 505 plays a role in fixing the H-shaped steel with the help of the downward elastic force of the spring 506.
[0032] When the cutting knife 4 of the H-shaped steel hydraulic cutting machine cuts the H-shaped steel, the cutting knife 4 is subjected to pressure and has a tendency to form an overall arch. At this time, the two limit plates 505 are attached to the two sides of the cutting knife 4, so as to intercept the overall arch of the cutting knife 4 as much as possible, which helps to protect the cutting knife 4.
[0033] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. An H-shaped steel hydraulic cutting machine, comprising a base (1), characterized in that: A bracket (2) is mounted on the base (1), a hydraulic rod (3) is mounted on the bracket (2), and a cutting knife (4) is mounted on the output end of the hydraulic rod (3) passing through the top end of the bracket (2); Anti-arch structures (5) are provided on both sides of the bracket (2); The anti-arch structure (5) comprises fixing plates (501) mounted on both sides of the bracket (2), and opposite sides of the two fixing plates (501) are provided with placement grooves (502), and the two fixing plates (501) are provided with limit plates (505) movably inserted through the placement grooves (502), and opposite sides of the two limit plates (505) are respectively in contact with two sides of the cutting knife (4).
2. The H-shaped steel hydraulic cutting machine according to claim 1, characterized in that: The base (1) is provided with a passage opening (101), and the cutting knife (4) is adapted to fit the passage opening (101).
3. The H-shaped steel hydraulic cutting machine according to claim 1, characterized in that: The fixed plate (501) is provided with a sliding groove (503) through the placement groove (502), the fixed plate (501) is slidably connected to a sliding block (504) through the sliding groove (503), and one side of the limiting plate (505) is connected to one side of the sliding block (504).
4. The H-shaped steel hydraulic cutting machine according to claim 1, characterized in that: The fixed plate (501) is provided with an operating opening (507) connected to the placement slot (502); a moving block (508) is installed on one side of the limiting plate (505); and a movable frame (509) is installed on one side of the moving block (508) through the operating opening (507).
5. The H-shaped steel hydraulic cutting machine according to claim 4, characterized in that: A first square ring (510) is installed on the movable frame (509), a support frame (511) is installed on the top of the fixed plate (501), a first electric telescopic rod (512) is installed on the support frame (511), a second square ring (513) is installed at the telescopic end of the first electric telescopic rod (512), a fixed frame (514) is installed on the movable frame (509), a second electric telescopic rod (515) is installed on the fixed frame (514), an insertion rod (516) is installed at the telescopic end of the second electric telescopic rod (515), and the outer side of the insertion rod (516) is adapted to the inner side of the first square ring (510) and the second square ring (513).
6. The H-shaped steel hydraulic cutting machine according to claim 3, characterized in that: The fixing plate (501) is provided with a spring (506) via a sliding groove (503), and the sliding block (504) is installed on one end of the spring (506).