Scissors convenient to assemble and disassemble for plate shearing machine

By designing scissors for easy loading and unloading on the shearing machine, using locking and lubricating structures, the cumbersome problem of scissor replacement is solved, improving loading and unloading efficiency and extending service life.

CN222790731UActive Publication Date: 2025-04-25GUIZHOU HAOYUAN FIREPROOF DOORS & WINDOWS CO LTD
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Patent Information

Application Number
CN202421751424.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-23
Publication Date
2025-04-25
Estimated Expiration
2034-07-23

AI Technical Summary

Technical Problem

The process of replacing scissors of existing shears is cumbersome and requires tools, which consumes time and effort, reducing loading and unloading efficiency.

Method used

A shearing machine scissors for easy loading and unloading are designed, using loading and unloading structures and auxiliary structures to achieve rapid loading and unloading of the blade through locking, and extend the service life by lubricating structure.

Benefits of technology

The rapid loading and unloading of the blade plate is achieved, the loading and unloading efficiency is improved, and the wear is reduced through the lubricating structure and the service life is extended.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of plate shearing machines, in particular to a pair of shears convenient to assemble and disassemble for a plate shearing machine, which comprises a base and a cutter plate, the surface of the base is fixedly connected with a cutter strip, the upper surface of the base is fixedly provided with a fixed plate, the side wall of the fixed plate is rotatably connected with a rotating block, the side wall of the rotating block is rotatably connected with a rotating stand, and the rotating stand is fixedly connected with the cutter strip. A handle is fixedly connected to the side wall of the rotating block, a loading and unloading structure is arranged on the surface of the rotating frame and comprises a through hole formed in the side wall of the rotating frame, the cutting board is located between the rotating frames, a first reserved hole and a second reserved hole are formed in the surface of the cutting board, and through holes are formed in the surfaces of the rotating frames. The side wall of the fixing plate is fixedly connected with a limiting pin, and the size of the limiting pin is matched with the size of the first preformed hole. By arranging the assembling and disassembling structure, the tool board is assembled and disassembled in a lock catch mode, rapid assembling and disassembling work of the tool board is facilitated, and the assembling and disassembling efficiency of the tool board is improved to a certain degree.
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Description

Technical Field

[0001] The utility model relates to the technical field of plate shears, in particular to a pair of scissors for plate shears which are convenient for loading and unloading. Background Art

[0002] A shearing machine is a mechanical device used to cut metal sheets. It is usually composed of an upper knife, a lower knife, a knife holder and other components. It can shear metal sheets through a mechanical transmission system or a hydraulic system.

[0003] The existing related technologies often have the following defects: during the actual use of the shearing machine, when the scissors on the shearing machine need to be replaced, the traditional replacement method is to use bolts to load and unload the scissors. The staff needs to use tools such as wrenches to load and unload the scissors. The disassembly and assembly process is time-consuming and labor-intensive, which reduces the loading and unloading efficiency of the scissors.

[0004] Therefore, the utility model provides a pair of scissors for a plate shearing machine which is convenient for loading and unloading. Utility Model Content

[0005] The utility model aims to solve the disadvantage that it is inconvenient to quickly assemble and disassemble the scissors on the plate shearing machine in the prior art, and proposes a scissors for the plate shearing machine which is easy to assemble and disassemble.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a scissors for a shearing machine that is easy to load and unload, comprising a base and a knife plate, the surface of the base is fixedly connected with a knife strip, the upper surface of the base is fixedly installed with a fixing plate, the side wall of the fixing plate is rotatably connected with a rotating block, the side wall of the rotating block is rotatably connected with a rotating frame, the side wall of the rotating block is fixedly connected with a handle, the surface of the rotating frame is provided with a loading and unloading structure, the loading and unloading structure includes a through hole opened in the side wall of the rotating frame, the knife plate is located between the rotating frames, the surface of the knife plate is provided with a first reserved hole and a second reserved hole, the surface of the rotating frame is provided with a through hole, the side wall of the fixing plate is fixedly connected with a limiting pin, the size of the limiting pin is matched with the size of the first reserved hole, the side wall of the rotating frame is fixedly connected with a connecting rod, the other end of the connecting rod is fixedly connected with a fixing block, the interior of the fixing block is slidably connected with a latch, and the size of the latch is matched with the size of the second reserved hole.

[0007] The effect achieved by the above components is: by setting up the loading and unloading structure and utilizing the locking buckle to load and unload the knife plate, the rapid loading and unloading of the knife plate is facilitated, and the loading and unloading efficiency of the knife plate is improved to a certain extent.

[0008] Preferably, a retaining ring is fixedly connected to the side wall of the latch, a second spring is sleeved on the side wall of the latch, and two ends of the second spring are respectively fixedly connected to the retaining ring and the fixing block.

[0009] The effect achieved by the above components is that the fixing ring is acted upon by the elastic force of the second spring on the fixing block to drive the latch to pass through the through hole and the second reserved hole to lock the other side of the tool holder.

[0010] Preferably, a rectangular block is fixedly connected to the side wall of the fixed plate, and a limiting plate is slidably connected inside the rectangular block.

[0011] The effect achieved by the above components is that the limit plate blocks the outer side of the knife plate, and a quick locking operation of the position of one side of the knife plate can be achieved.

[0012] Preferably, a first spring is fixedly connected between the rectangular block and the limiting plate.

[0013] The effect achieved by the above components is that the limit plate will be blocked on the outside of the knife plate by the elastic force of the first spring, so that the position of one side of the knife plate can be quickly locked.

[0014] Preferably, the inner sides of the first reserved hole and the second reserved hole are both provided with auxiliary structures, and the auxiliary structure comprises an annular groove opened on the inner side of the knife plate, and the inner side of the knife plate is provided with an oil filling port, and the oil filling port is communicated with the annular groove.

[0015] The effects achieved by the above components are: by setting up the auxiliary structure, the auxiliary lubrication work of the knife plate driving rotation position is facilitated, the blockage or severe wear of the knife plate driving rotation position is reduced, and the service life of the knife plate is extended to a certain extent.

[0016] Preferably, the auxiliary structure further comprises two sponge blocks respectively glued to the inner side of the first reserved hole and the inner side of the second reserved hole.

[0017] The effect achieved by the above components is that the lubricating liquid on the sponge block is evenly spread on the inner side of the knife plate, thereby achieving lubrication work on the rotating part of the knife plate.

[0018] Preferably, two first grooves are formed on the surface of the sponge block, and four second grooves are formed on the inner side of the knife plate, and the first grooves are connected to the second grooves.

[0019] The effect achieved by the above components is that the storage of excess lubricating fluid is facilitated by providing the first groove and the second groove.

[0020] In summary:

[0021] 1. In the utility model, when the knife plate needs to be disassembled, the latch is pulled, the knife plate is rotated out, and then the limit plate is pulled, and the knife plate on the limit pin is pulled out to realize the disassembly of the knife plate. By setting a loading and unloading structure and utilizing a locking buckle to load and unload the knife plate, the rapid loading and unloading of the knife plate is facilitated, and the loading and unloading efficiency of the knife plate is improved to a certain extent.

[0022] 2. In the utility model, lubricating oil is added to the inner side of the oil filling port, and the lubricating oil will flow along the oil filling port to the inner side of the annular groove, and then the lubricating liquid on the inner side of the annular groove will soak the sponge block, and in the process of relative movement between the limit pin and the first reserved hole, the plug pin and the second reserved hole, the lubricating liquid on the sponge block will be evenly smeared on the inner side of the knife plate. By setting up the auxiliary structure, the auxiliary lubrication work of the knife plate driving rotation position is facilitated, the phenomenon of blockage or severe wear of the knife plate driving rotation position is reduced, and the service life of the knife plate is extended to a certain extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0024] Figure 2 For the utility model Figure 1 A magnified image of point A;

[0025] Figure 3 For the utility model Figure 1 A magnified view of point B;

[0026] Figure 4 It is a structural schematic diagram of the knife plate in the utility model;

[0027] Figure 5 For the utility model Figure 4 A schematic cross-sectional structure diagram of ;

[0028] Figure 6 For the utility model Figure 5 Schematic diagram of the local structure.

[0029] Legend: 1. Base; 2. Fixed plate; 3. Rotating block; 4. Rotating frame; 5. Handle; 6. Knife plate; 7. Loading and unloading structure; 701. First reserved hole; 702. Rectangular block; 703. Limiting plate; 704. First spring; 705. Limiting pin; 706. Connecting rod; 707. Fixed block; 708. Latch; 709. Retaining ring; 710. Second spring; 711. Through hole; 712. Second reserved hole; 8. Auxiliary structure; 81. Sponge block; 82. Oil filling port; 83. First groove; 84. Circular groove; 85. Second groove; 9. Knife strip. DETAILED DESCRIPTION

[0030] Reference Figure 1As shown, the utility model provides a technical solution: a pair of scissors for a shearing machine which is easy to load and unload, comprising a base 1 and a knife plate 6, a knife strip 9 is fixedly connected to the surface of the base 1, a fixed plate 2 is fixedly installed on the upper surface of the base 1, a rotating block 3 is rotatably connected to the side wall of the fixed plate 2, a rotating frame 4 is rotatably connected to the side wall of the rotating block 3, a handle 5 is fixedly connected to the side wall of the rotating block 3, a loading and unloading structure 7 is provided on the surface of the rotating frame 4, and auxiliary structures 8 are provided on the inner sides of the first reserved hole 701 and the second reserved hole 712.

[0031] The specific arrangement and function of the loading and unloading structure 7 and the auxiliary structure 8 will be described in detail below.

[0032] Reference Figure 1-Figure 4 As shown, in this embodiment: the loading and unloading structure 7 includes a through hole 711 opened on the side wall of the rotating frame 4, the knife plate 6 is located between the rotating frames 4, the surface of the knife plate 6 is provided with a first reserved hole 701 and a second reserved hole 712, the surface of the rotating frame 4 is provided with a through hole 711, the side wall of the fixed plate 2 is fixedly connected with a limit pin 705, the size of the limit pin 705 is adapted to the size of the first reserved hole 701, the side wall of the rotating frame 4 is fixedly connected with a connecting rod 706, the other end of the connecting rod 706 is fixedly connected with a fixed block 707, the inside of the fixed block 707 is slidably connected with a latch 708, the size of the latch 708 is adapted to the size of the second reserved hole 712. By setting the loading and unloading structure 7, the knife plate 6 is loaded and unloaded by means of a lock buckle, which facilitates the rapid loading and unloading of the knife plate 6 and improves the loading and unloading efficiency of the knife plate 6 to a certain extent.

[0033] The side wall of the latch 708 is fixedly connected with a retaining ring 709, and the side wall of the latch 708 is sleeved with a second spring 710, and the two ends of the second spring 710 are fixedly connected with the retaining ring 709 and the fixed block 707 respectively. The fixing ring will be driven by the elastic force of the second spring 710 on the fixed block 707 to drive the latch 708 through the through hole 711 and the second reserved hole 712 to lock the other side of the tool holder. The side wall of the fixed plate 2 is fixedly connected with a rectangular block 702, and the inner sliding connection of the rectangular block 702 is connected to the limiting plate 703. The limiting plate 703 blocks the outer side of the knife plate 6, and can realize the quick locking work of the position on one side of the knife plate 6. The first spring 704 is fixedly connected between the rectangular block 702 and the limiting plate 703. The limiting plate 703 is blocked by the elastic force of the first spring 704 on the outer side of the knife plate 6, and can realize the quick locking work of the position on one side of the knife plate 6.

[0034] Reference Figure 1 and Figure 4-Figure 6As shown, specifically, the auxiliary structure 8 includes an annular groove 84 provided on the inner side of the blade plate 6, an oil filling port 82 is provided on the inner side of the blade plate 6, and the oil filling port 82 is connected to the annular groove 84. By providing the auxiliary structure 8, the auxiliary lubrication work of the driving position of the blade plate 6 is facilitated, the phenomenon of blockage or severe wear of the driving position of the blade plate 6 is reduced, and the service life of the blade plate 6 is extended to a certain extent.

[0035] The auxiliary structure 8 also includes two sponge blocks 81 glued to the inner side of the first reserved hole 701 and the inner side of the second reserved hole 712 respectively. The lubricating liquid on the sponge block 81 will be evenly applied to the inner side of the blade 6, thereby achieving lubrication work at the rotation of the blade 6. Two first grooves 83 are provided on the surface of the sponge block 81, and four second grooves 85 are provided on the inner side of the blade 6. The first grooves 83 and the second grooves 85 are connected. By providing the first grooves 83 and the second grooves 85, the storage of excess lubricating liquid is facilitated.

[0036] When the knife plate 6 on the fixed plate 2 needs to be loaded or unloaded, the limiting plate 703 on the inner side of the rectangular block 702 is first pulled, and the first reserved hole 701 on the knife plate 6 is sleeved on the outer side of the limiting pin 705, and the limiting plate 703 is loosened. The limiting plate 703 will be blocked on the outer side of the knife plate 6 by the elastic force of the first spring 704, so as to realize the quick locking of the position of one side of the knife plate 6. At this time, the latch 708 is pulled, and the knife plate 6 is rotated to be sleeved on the inner side of the rotating frame 4. When the through hole 711 and the second reserved hole 712 on the rotating frame 4 move to the overlapping position, the latch 708 is loosened, and the fixing ring will The second spring 710 on the fixed block 707 drives the pin 708 to pass through the through hole 711 and the second reserved hole 712 to lock the other side of the tool holder, thereby realizing the rapid installation of the knife plate 6. When the knife plate 6 needs to be disassembled, pull the pin 708, turn out the knife plate 6, and then pull the limit plate 703, and pull out the knife plate 6 on the limit pin 705 to realize the disassembly of the knife plate 6. By setting the loading and unloading structure 7, the knife plate 6 is loaded and unloaded by means of the lock, which facilitates the rapid loading and unloading of the knife plate 6 and improves the loading and unloading efficiency of the knife plate 6 to a certain extent.

[0037] Lubricating oil is injected into the inner side of the oil filling port 82, and the lubricating oil will flow along the oil filling port 82 to the inner side of the annular groove, and then the lubricating liquid inside the annular groove will soak the sponge block 81. During the relative movement between the limit pin 705 and the first reserved hole 701, the plug pin 708 and the second reserved hole 712, the lubricating liquid on the sponge block 81 will be evenly applied to the inner side of the knife plate 6, thereby realizing the lubrication work at the rotating part of the knife plate 6 and avoiding the blockage or severe wear at the rotating part of the knife plate 6. By setting the first groove 83 and the second groove 85, the storage of excess lubricating liquid is facilitated and the phenomenon of excess lubricating liquid dripping is avoided. By setting the auxiliary structure 8, the auxiliary lubrication work of the driving rotation position of the knife plate 6 is facilitated, the blockage or severe wear at the driving rotation position of the knife plate 6 is reduced, and the service life of the knife plate 6 is extended to a certain extent.

[0038] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

Claims

1. A pair of scissors for a shearing machine that is easy to load and unload, comprising a base (1) and a blade (6), characterized in that: The surface of the base (1) is fixedly connected with a knife strip (9); the upper surface of the base (1) is fixedly installed with a fixing plate (2); the side wall of the fixing plate (2) is rotatably connected with a rotating block (3); the side wall of the rotating block (3) is rotatably connected with a rotating frame (4); the side wall of the rotating block (3) is fixedly connected with a handle (5); a loading and unloading structure (7) is provided on the surface of the rotating frame (4); the loading and unloading structure (7) includes a through hole (711) provided on the side wall of the rotating frame (4); the knife plate (6) is located between the rotating frames (4); and the surface of the knife plate (6) is provided with a first reserved hole (701 ) and a second reserved hole (712), a through hole (711) is opened on the surface of the rotating frame (4), a limit pin (705) is fixedly connected to the side wall of the fixing plate (2), the size of the limit pin (705) is matched with the size of the first reserved hole (701), a connecting rod (706) is fixedly connected to the side wall of the rotating frame (4), the other end of the connecting rod (706) is fixedly connected to a fixing block (707), the inside of the fixing block (707) is slidably connected with a latch (708), the size of the latch (708) is matched with the size of the second reserved hole (712).

2. The scissors for plate shearing machine that are easy to load and unload according to claim 1 are characterized in that: A retaining ring (709) is fixedly connected to the side wall of the latch (708), and a second spring (710) is sleeved on the side wall of the latch (708), and two ends of the second spring (710) are respectively fixedly connected to the retaining ring (709) and the fixing block (707).

3. The scissors for plate shearing machine that are easy to load and unload according to claim 1 are characterized in that: A rectangular block (702) is fixedly connected to the side wall of the fixed plate (2), and a limiting plate (703) is slidably connected inside the rectangular block (702).

4. The scissors for plate shearing machine that are easy to load and unload according to claim 3 are characterized in that: A first spring (704) is fixedly connected between the rectangular block (702) and the limiting plate (703).

5. The scissors for plate shearing machine that are easy to load and unload according to claim 1 are characterized in that: An auxiliary structure (8) is provided on the inner side of the first reserved hole (701) and the second reserved hole (712), and the auxiliary structure (8) includes an annular groove (84) opened on the inner side of the blade plate (6), and an oil filling port (82) is opened on the inner side of the blade plate (6), and the oil filling port (82) and the annular groove (84) are connected.

6. The scissors for plate shearing machine that are easy to load and unload according to claim 5, characterized in that: The auxiliary structure (8) further comprises two sponge blocks (81) respectively glued to the inner side of the first reserved hole (701) and the inner side of the second reserved hole (712).

7. The scissors for plate shearing machine that are easy to load and unload according to claim 6, characterized in that: The surface of the sponge block (81) is provided with two first grooves (83), the inner side of the knife plate (6) is provided with four second grooves (85), and the first grooves (83) and the second grooves (85) are connected.