Blade replacing device of plate shearing machine

By introducing structures such as electric push rods and limit rods into the blade replacement device of the shear machine, the problem of insufficient limit of the shaft is solved, and the rapid replacement of the blade and stable shearing effect is achieved, which improves operational convenience and shearing efficiency.

CN223235654UActive Publication Date: 2025-08-19NANTONG JINSHAN SHELF CO LTD
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Patent Information

Application Number
CN202322174883.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-08-14
Publication Date
2025-08-19
Estimated Expiration
2033-08-14

AI Technical Summary

Technical Problem

The blade replacement device of the existing shear machine does not set a limit at the rotating shaft, which makes the blade easy to loosen when running, affecting the connectivity between the clamp column and the upper and lower blades, and thus affecting the shearing effect.

Method used

A blade replacement device including an electric push rod, a fixing seat, a limiting rod, a rack and a spring is designed. The blade is driven by the electric push rod, and the meshing connection between the rack and the rack plate is used to realize the rapid removal and replacement of the blade, and the limit rod is used to avoid loosening.

Benefits of technology

The blade is quickly disassembled and replaced, ensuring the stability of the shearing effect, avoiding looseness during the blade operation, and improving operational convenience and shearing efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a blade replacement device of a plate shearing machine, relates to the technical field of blade replacement of the plate shearing machine, and solves the technical problems that a rotating shaft is not provided with a limiting device for limiting the rotating shaft at present, so that the blade is easy to loosen during operation, the connectivity of a clamping column and upper and lower blades is influenced, and the plate shearing effect is further influenced. Comprising a base, supporting plates are fixedly installed at the four corners of the top end of the base through racks, electric push rods are fixedly installed in the middles of the top ends of the supporting plates, and fixing bases are fixedly installed at the telescopic ends of the electric push rods and the middle of the top end of the base; the plate shearing device has the advantages that the blade body can be conveniently and rapidly detached or replaced, use and operation are more convenient and faster, in addition, through the first rack and the rack plate which are meshed with each other, the transverse rod and the strip-shaped limiting rod can be limited and locked, the situation that the blade is loosened during operation is avoided, and the plate shearing effect is guaranteed.
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Description

Technical Field

[0001] The utility model relates to the technical field of blade replacement for shearing machines, in particular to a blade replacement device for shearing machines. Background Art

[0002] Shearing machine is a kind of forging machine, and its main function is metal processing industry. With the continuous progress and development of society, the types of shearing machines are increasing. As the shearing machine is used for a long time, the blade will wear out, so the blade needs to be replaced.

[0003] According to the "Shearing Mechanism for a Shearing Machine" provided by Chinese Patent Authorization Announcement No. CN214079477U, the first L-shaped clamping column and the second L-shaped clamping column can be moved away from each other by rotating the rotating shaft, thereby disengaging the clamping shape of the two clamping slots. This allows the upper and lower blades to be removed for replacement or maintenance, which is convenient and quick. However, there are still areas that need improvement in actual use. During use, because the device is not provided with a limit device on the rotating shaft to limit it, it is easy for the blades to loosen during operation, affecting the connection between the clamping column and the upper and lower blades, and thus affecting the shearing effect.

[0004] For this reason, a blade replacement device for a shearing machine is designed to solve the above problems. Utility Model Content

[0005] The utility model provides a blade replacement device for a shearing machine, which solves the technical problem that the blade is easily loosened during operation due to the lack of a limit setting on the rotating shaft, affecting the connectivity between the clamping column and the upper and lower blades, and thus affecting the shearing effect.

[0006] The top of described sliding panel also is provided with an interlocking structure, and the interlocking structures comprise two parts, namely, a set of interlocking structures, wherein the two sliding panels are connected along the interlocking structures to form a circle, and the two sliding panels are connected along the interlocking structures to form a circle.

[0007] Preferably, the surfaces of each two corresponding moving rods are sleeved with a first spring, the top ends of each two corresponding moving rods pass through the fixed seat and are fixedly connected to the pull ring provided on the outside of the fixed seat, one end of each two corresponding first springs is fixedly connected to the top end of the rack plate, and the other end of each two corresponding first springs is fixedly connected to the inner wall of the hollow groove.

[0008] Preferably, a limit plate is fixedly installed at one end of each two corresponding cross bars, a pull rod is fixedly installed at one end of each two corresponding limit plates, and one end of each two corresponding pull rods passes through the fixing seat and is fixedly connected to a handle arranged outside the fixing seat.

[0009] Preferably, a guide plate is fixedly installed at the bottom end of each two corresponding cross bars, a guide rod is slidably connected to the inside of each two corresponding guide plates, a second spring is sleeved on the surface of each two corresponding guide rods, and both ends of each two corresponding guide rods are fixedly connected to the inner wall of the hollow groove.

[0010] Preferably, one end of each two corresponding second springs is fixedly connected to one side of the guide plate, and the other end of each two corresponding second springs is fixedly connected to the inner wall of the hollow groove.

[0011] Preferably, sliding rods are fixedly mounted on both sides of the top of one of the fixing seats, and one end of the two sliding rods passes through the support plate and is placed on the top of the support plate.

[0012] Compared with the related art, the blade replacement device of the shearing machine provided by the present invention has the following beneficial effects:

[0013] The utility model provides a blade changing device for a shearing machine, which drives the corresponding moving rod to move in the vertical direction by setting a pull ring, so that the first rack and the rack plate that are meshed with each other are separated, and then the set pull handle drives the set pull rod, cross bar and strip limit rod to move in the horizontal direction. At this time, the loosened pull ring is supported by the first spring, so that the corresponding rack plate is meshed with the first rack again, thereby separating the corresponding strip limit rod and the limiting hole on the blade body, thereby facilitating rapid disassembly or replacement of the blade body, and being more convenient to use and operate. In addition, the mutually meshed first rack and rack plate can play a role of limiting and locking the cross bar and the strip limit rod, thereby avoiding the loosening of the blade during operation and ensuring the shearing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural diagram of the utility model;

[0015] Figure 2This is an enlarged structural diagram of point A of the utility model;

[0016] Figure 3 This is a schematic diagram of the cross-sectional structure of the fixing seat of the utility model;

[0017] Figure 4 This is an enlarged structural diagram of point B of the present invention.

[0018] Numbers in the figure: 1. Base; 2. Frame; 3. Support plate; 4. Electric push rod; 5. Fixed seat; 6. Blade body; 7. Hollow groove; 8. Bar limit rod; 9. Cross bar; 10. First rack; 11. Moving rod; 12. Rack plate; 13. First spring; 14. Pull ring; 15. Guide rod; 16. Guide plate; 17. Second spring; 18. Limit plate; 19. Pull rod; 20. Handle; 21. Sliding rod. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be clearly and completely described 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 the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0020] See Figure 1-4 The top of each shearing machine is provided with a plurality of movable blades, and the movable blades 11 are connected to the movable blade 12 by the movable blade 13.

[0021] See Figure 4The surfaces of each two corresponding moving rods 11 are sleeved with a first spring 13, the top ends of each two corresponding moving rods 11 pass through the fixed seat 5 and are fixedly connected to the pull ring 14 set on the outside of the fixed seat 5, one end of each two corresponding first springs 13 is fixedly connected to the top of the rack plate 12, and the other end of each two corresponding first springs 13 is fixedly connected to the inner wall of the hollow groove 7, which is used to play the role of limiting support for the rack plate 12, so as to facilitate the stretching and movement of the set moving rod 11.

[0022] See Figure 4 One end of each two corresponding cross bars 9 is fixedly installed with a limit plate 18, and one end of each two corresponding limit plates 18 is fixedly installed with a pull rod 19. One end of each two corresponding pull rods 19 passes through the fixed seat 5 and is fixedly connected to the handle 20 set outside the fixed seat 5, which is used to drive the pull rod 19, the cross bar 9 and the corresponding strip limit rod 8 to move.

[0023] See Figure 4 A guide plate 16 is fixedly installed at the bottom end of each two corresponding cross bars 9, and a guide rod 15 is slidably connected to the inside of each two corresponding guide plates 16. A second spring 17 is sleeved on the surface of each two corresponding guide rods 15, and both ends of each two corresponding guide rods 15 are fixedly connected to the inner wall of the hollow groove 7, which serves to guide and support the set guide plate 16.

[0024] See Figure 4 One end of each two corresponding second springs 17 is fixedly connected to one side of the guide plate 16, and the other end of each two corresponding second springs 17 is fixedly connected to the inner wall of the hollow groove 7, so that the corresponding second springs 17 are supported and fixed.

[0025] See Figure 1 , slide bars 21 are fixedly mounted on both sides of the top of one of the fixing seats 5, and one end of the two slide bars 21 passes through the support plate 3 and is placed on the top of the support plate 3 to play a guiding role.

[0026] In summary, in the present invention, when working, the electric push rod 4 is controlled to work, so that the fixed seat 5 at the top and the blade body 6 inside the fixed seat 5 are moved in the vertical direction, and the blade body 6 at the bottom fixed seat 5 is cooperated with, so that the material can be sheared. When the blade body 6 needs to be disassembled or replaced, the movable rod 11 and the rack plate 12 are moved in the vertical direction by pulling the provided pull ring 14, so that the first rack 10 and the rack plate 12 that are meshed with each other are separated from each other, and then the pull rod 19 and the cross bar 9 are driven by the provided pull handle 20 to And the strip-shaped limiting rod 8 moves in the horizontal direction, and then the pull ring 14 set under the loosening is made to engage and connect the rack plate 12 with the first rack 10 again under the support of the first spring 13, so that the separated strip-shaped limiting rod 8 can be limited, and then the inserted blade body 6 is disassembled, and the new blade body 6 is inserted into the corresponding fixed seat 5. Repeat the above steps, and under the support of the second spring 17, the strip-shaped limiting rod 8 and the limiting hole are inserted and fixed to each other, and at the same time, the rack plate 12 limits the first rack 10, completing the replacement of the blade body 6, which is more convenient to use.

[0027] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0028] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A blade replacement device for a shearing machine, comprising a base (1), characterized in that: The four corners of the top of the base (1) are fixedly mounted with support plates (3) through the frame (2), the middle of the top of the support plate (3) is fixedly mounted with an electric push rod (4), the telescopic end of the electric push rod (4) and the middle of the top of the base (1) are fixedly mounted with a fixed seat (5), the tops of the two fixed seats (5) are plugged with a blade body (6), the interiors of the two fixed seats (5) are provided with a hollow groove (7), and the interiors of each two corresponding hollow grooves (7) are slidably connected with a strip-shaped limiting rod (8), and the two blade bodies (6) are connected to the blade bodies (6) at the tops of the two fixed seats (5). The body (6) is provided with a limiting hole matching the strip-shaped limiting rod (8), one end of each two corresponding strip-shaped limiting rods (8) is fixedly mounted with a cross bar (9), the top of each two corresponding cross bars (9) is fixedly mounted with a first rack (10), the interior of each two corresponding hollow grooves (7) is slidably connected with a moving rod (11), the bottom end of each two corresponding moving rods (11) is fixedly mounted with a rack plate (12), and each two corresponding first racks (10) are respectively engaged with the corresponding rack plate (12).

2. A blade replacement device for a shearing machine according to claim 1, characterized in that: The surfaces of each two corresponding moving rods (11) are sleeved with a first spring (13), the top ends of each two corresponding moving rods (11) pass through the fixed seat (5) and are fixedly connected to a pull ring (14) provided outside the fixed seat (5), one end of each two corresponding first springs (13) is fixedly connected to the top end of the rack plate (12), and the other end of each two corresponding first springs (13) is fixedly connected to the inner wall of the hollow groove (7).

3. The blade replacement device of a shearing machine according to claim 1, characterized in that: One end of each two corresponding cross bars (9) is fixedly mounted with a limit plate (18), one end of each two corresponding limit plates (18) is fixedly mounted with a pull rod (19), and one end of each two corresponding pull rods (19) passes through the fixing seat (5) and is fixedly connected to a pull handle (20) provided outside the fixing seat (5).

4. The blade replacement device for a shearing machine according to claim 1, characterized in that: A guide plate (16) is fixedly mounted on the bottom ends of each two corresponding cross bars (9), a guide rod (15) is slidably connected inside each two corresponding guide plates (16), a second spring (17) is sleeved on the surface of each two corresponding guide rods (15), and both ends of each two corresponding guide rods (15) are fixedly connected to the inner wall of the hollow groove (7).

5. A blade replacement device for a shearing machine according to claim 4, characterized in that: One end of each two corresponding second springs (17) is fixedly connected to one side of the guide plate (16), and the other end of each two corresponding second springs (17) is fixedly connected to the inner wall of the hollow groove (7).

6. The blade replacement device for a shearing machine according to claim 1, characterized in that: Slide rods (21) are fixedly mounted on both sides of the top of one of the fixing seats (5), and one end of each of the two slide rods (21) passes through the support plate (3) and is placed on the top of the support plate (3).

Citation Information

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