Knife rest locking mechanism of shearing machine

Abstract

The utility model discloses a shearing machine knife rest locking mechanism which comprises a rack, a pull rod is arranged on the rack, a belleville spring is arranged on one side of the pull rod, the belleville spring compresses the pull rod, a locking flange is arranged on the side, away from the belleville spring, of the pull rod, and the locking flange is used for being connected with a knife rest. An oil pressure device is arranged on one side of the belleville spring and used for compressing the belleville spring. According to the utility model, the tool rest can be automatically locked and loosened conveniently and quickly.

Description

TECHNICAL FIELD

[0001] The utility model relates to shearing machine equipment technical field especially is related to a shearing machine tool rest locking mechanism. BACKGROUND

[0002] Shearing machine as an important industrial equipment, is widely used in metal processing, waste treatment and other fields. The traditional shearing machine mainly relies on manual operation to complete the installation and disassembly of the tool rest, and the tool rest is fixed on the base through bolts. This design not only can ensure the stability of the tool rest, but also can effectively ensure the safety and reliability of the shearing operation. However, with the improvement of industrial automation level, the traditional manual fixing method has been unable to meet the needs of modern production, especially in the working condition that needs to frequently replace the tool rest, the disadvantages of manual fixing are increasingly prominent.

[0003] In order to ensure the stability and reliability of the tool rest of the shearing machine during the working process, various means are usually adopted in the prior art to realize the locking of the tool rest. Common methods include bolt fixing, hydraulic locking and mechanical buckle and the like.

[0004] Although the above methods meet the needs of the tool rest locking of the shearing machine to some extent, there are still obvious deficiencies. Especially for high strength and high frequency shearing operation, the locking mechanism in the prior art is often difficult to simultaneously consider quick response and high stability. For example, long time operation of bolt fixing is easy to cause worker fatigue, therefore, how to design a tool rest locking mechanism which can quickly respond and has good stability is a technical problem to be solved at present. CONTENT OF THE UTILITY MODEL

[0005] The application provides a shearing machine tool rest locking mechanism which is convenient for quickly realizing automatic locking and loosening of the tool rest.

[0006] The application provides a shearing machine tool rest locking mechanism which adopts the following technical scheme:

[0007] A shearing machine tool rest locking mechanism, comprising a rack, a pull rod is arranged on the rack, a butterfly spring is arranged on one side of the pull rod, the butterfly spring compresses the pull rod, a locking flange is arranged on the side of the pull rod away from the butterfly spring, the locking flange is used for connecting the tool rest, an oil pressure device is arranged on one side of the butterfly spring, and the oil pressure device is used for compressing the butterfly spring.

[0008] By adopting the technical scheme, the shearing machine cutter holder locking mechanism is characterized in that a pull rod is installed on a rack in use, butterfly springs are connected with the rack to be compressed, and then the pull rod is fixed on the locking flange to complete locking.

[0009] Preferably, the outer side of the pull rod is provided with a rotary thrust bearing, which helps to reduce friction and cope with pressure.

[0010] By adopting the technical scheme, the rotary thrust bearing can effectively reduce friction during the movement of the pull rod, reduce wear, improve the operating efficiency and stability of the system, and better cope with the pressure inside the system, ensuring the reliability and durability of the locking mechanism under high load.

[0011] Preferably, the outer side of the pull rod is provided with a sealing device, which includes a sealing pad arranged between the pull rod and the rack.

[0012] By adopting the technical scheme, the sealing device between the pull rod and the rack can effectively prevent external impurities from entering the inside of the mechanism, improving the reliability and service life of the mechanism. The sealing pad can ensure good sealing performance in high pressure or high temperature environment, thereby ensuring stable operation of the entire shearing machine cutter holder locking mechanism.

[0013] Preferably, the number of butterfly springs is multiple, and the multiple butterfly springs are arranged along the axial direction of the pull rod.

[0014] By adopting the technical scheme, the multiple butterfly springs arranged along the axial direction of the pull rod can effectively improve the uniformity and stability of the locking force, ensure the reliable fixation of the cutter holder during high-speed shearing, reduce the influence of vibration and impact on the equipment, and prolong the service life of the equipment.

[0015] Preferably, the locking flange is provided with a threaded hole, and the threaded hole is used to fix the cutter holder on the locking flange by bolts.

[0016] By adopting the technical scheme, the threaded hole is arranged on the locking flange, and the cutter holder is fixed on the locking flange by bolts, which improves the installation stability and reliability of the cutter holder, ensures that the cutter holder does not loosen during shearing, and improves the shearing precision and safety.

[0017] Preferably, the oil pressure device includes a hydraulic cylinder and a piston, the hydraulic cylinder is fixed on the rack, and the piston is arranged in the hydraulic cylinder and in contact with the butterfly spring.

[0018] By adopting the technical scheme, when in use, the oil pressure device comprises a hydraulic cylinder and a piston, the hydraulic cylinder is fixed on the rack, and the piston is arranged in the hydraulic cylinder and in contact with the butterfly spring, so that the compression degree of the butterfly spring can be accurately controlled, thereby ensuring the stability and reliability of the tool holder locking mechanism. Meanwhile, the combination of the hydraulic cylinder and the piston can effectively transfer and disperse pressure, thereby improving the durability and service life of the entire locking mechanism.

[0019] Preferably, a plurality of sealing assemblies are arranged on the oil pressure device, and the sealing assembly comprises an O-shaped sealing ring arranged on the oil pressure device.

[0020] By adopting the technical scheme, when in use, the plurality of sealing assemblies arranged on the oil pressure device can effectively prevent oil leakage, improve the sealing performance and reliability of the system, and thereby ensure the stability and safety of the oil pressure device during long-time work.

[0021] Preferably, a limiting plate is arranged on the rack, and the limiting plate is used for limiting the maximum stroke of the pull rod.

[0022] By adopting the technical scheme, when in use, the tool holder locking mechanism of the shearing machine can effectively limit the maximum stroke of the pull rod, prevent the equipment from being damaged or working unstably due to excessive stroke, and ensure that the pull rod moves within a predetermined range, thereby avoiding safety hazards caused by excessive stretching and contraction.

[0023] In summary, the present application has the following beneficial effects:

[0024] 1. The tool holder locking mechanism of the shearing machine is designed, the butterfly spring is arranged and cooperates with the oil pressure device, effective compression and rapid release of the pull rod are realized, the locking speed and stability of the tool holder are significantly improved, and the problem of complicated operation of the traditional bolt fixing mode is solved.

[0025] 2. The tool holder locking mechanism of the shearing machine is designed, the rotary thrust bearing arranged on the outer side of the pull rod reduces friction and coping pressure, improves the operation efficiency and service life of the entire locking mechanism, and enhances the durability of the equipment.

[0026] 3. The tool holder locking mechanism of the shearing machine is designed, the connection design of the locking flange and the tool holder is realized through the threaded hole and the bolt fixing, the firmness and reliability of the tool holder in high-strength and high-frequency shearing operation are ensured, and the decrease of shearing precision caused by insufficient locking force is effectively avoided. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 The structure schematic view of the embodiment is shown in the figure;

[0028] Figure 2Figure 1 is an enlarged schematic view showing the sealing assembly in the embodiment;

[0029] Reference numerals: 1, frame; 2, pull rod; 3, butterfly spring; 4, locking flange; 5, oil pressure device; 51, hydraulic cylinder; 52, piston; 6, rotary thrust bearing; 7, sealing device; 8, threaded hole; 9, sealing assembly; 91, O-shaped sealing ring; 10, limiting plate. DETAILED DESCRIPTION

[0030] The utility model makes further detailed instructions in combination with the drawings. Same parts are indicated by same reference numerals. It should be noted that the words "front", "back", "left", "right", "up", "down", "bottom surface" and "top surface" in the following description refer to the directions in the drawings, and the words "inner" and "outer" refer to the directions towards or away from the geometric center of a specific part.

[0031] The utility model discloses a shearing machine tool rest locking mechanism, like Figure 1 And Figure 2 As shown in the drawings, it comprises a frame 1, the frame 1 is provided with a pull rod 2, the frame 1 is the basis of the whole locking mechanism, is usually made of high-strength steel material, has good rigidity and stability, the pull rod 2 passes through the frame 1 and forms sliding fit with it, the pull rod 2 can adopt stainless steel material to increase its corrosion resistance and wear resistance, the outer side of the pull rod 2 is provided with a rotary thrust bearing 6, the rotary thrust bearing 6 helps to reduce friction and cope with pressure, the rotary thrust bearing 6 can select needle bearing or ball bearing, and the two bearings can effectively reduce the friction coefficient and prolong the service life of the equipment, the outer side of the pull rod 2 is provided with a sealing device 7, the sealing device 7 comprises a sealing pad arranged between the pull rod 2 and the frame 1, and the sealing pad is used to prevent dust and impurities from entering the inside and affecting the normal operation of the equipment, and the material of the sealing pad can select rubber or silica gel, which has good sealing performance and weather resistance. The frame 1 is provided with a limiting plate 10, and the limiting plate 10 is used to limit the maximum stroke of the pull rod 2.

[0032] One side of the pull rod 2 is provided with a butterfly spring 3, the butterfly spring 3 is a special spring type, can provide greater elastic force in smaller space, is suitable for the compact design of the shearing machine, the butterfly spring 3 compresses the pull rod 2, the number of the butterfly spring 3 is multiple, the multiple butterfly springs 3 are arranged along the axial direction of the pull rod 2, one side of the pull rod 2 away from the butterfly spring 3 is provided with a locking flange 4, the locking flange 4 is used to connect the tool rest, the locking flange 4 is provided with a threaded hole 8, the tool rest is fixed on the locking flange 4 through bolts, and the stability of the tool rest is ensured. The material of the locking flange 4 can select cast iron or aluminum alloy to balance the strength and weight.

[0033] One side of the butterfly spring 3 is provided with an oil pressure device 5, the oil pressure device 5 includes a hydraulic cylinder 51 and a piston 52, the hydraulic cylinder 51 is fixed on the rack 1, the piston 52 is arranged in the hydraulic cylinder 51, and is in contact with the butterfly spring 3. The function of the oil pressure device 5 is to compress the butterfly spring 3 when needed, so as to realize the accurate control of the pull rod 2. A plurality of sealing components 9, such as o-shaped sealing rings 91, are arranged on the oil pressure device 5 to prevent oil leakage and ensure the reliability and safety of the system. A manual regulating valve is added on the basis of the oil pressure device 5. The manual regulating valve can conveniently adjust the pressure of the oil pressure device 5, so as to realize flexible control of the locking force.

[0034] Working principle: the utility model discloses a kind of shearing machine tool rest locking mechanism, by the pressure of the hydraulic system of oil pressure device 5, piston 52 is moved, make butterfly spring 3 be compressed, to pull rod 2 is compressed, finally realize the locking of tool rest. This design not only can respond quickly, can also provide greater locking force, ensure the stability and reliability of tool rest under high load. Compared with traditional bolt fixing mode, reduce the time and strength of manual operation.

[0035] The above are preferred embodiments of the present application, not limited by the protection scope of the present application, therefore: equivalent changes made according to the structure, shape, principle of the present application should be covered in the protection scope of the present application.

Claims

1. A shearing machine blade holder locking mechanism, characterized in that: The device includes a frame (1), on which a pull rod (2) is provided. A butterfly spring (3) is provided on one side of the pull rod (2), and the butterfly spring (3) presses the pull rod (2). A locking flange (4) is provided on the side of the pull rod (2) away from the butterfly spring (3), and the locking flange (4) is used to connect the tool holder. A hydraulic device (5) is provided on one side of the butterfly spring (3), and the hydraulic device (5) is used to compress the butterfly spring (3).

2. The shearing machine blade holder locking mechanism according to claim 1, characterized in that: A rotary thrust bearing (6) is provided on the outer side of the pull rod (2), which helps to reduce friction and cope with pressure.

3. The shearing machine blade holder locking mechanism according to claim 1, characterized in that: A sealing device (7) is provided on the outside of the pull rod (2), and the sealing device (7) includes a sealing gasket between the pull rod (2) and the frame (1).

4. The shearing machine tool holder locking mechanism according to claim 1, characterized in that: The number of the butterfly springs (3) is multiple, and the multiple butterfly springs (3) are arranged along the axial direction of the pull rod (2).

5. A shearing machine blade holder locking mechanism according to claim 1, characterized in that: The locking flange (4) is provided with a threaded hole (8), which is used to fix the tool holder on the locking flange (4) by bolts.

6. The shearing machine tool holder locking mechanism according to claim 1, characterized in that: The hydraulic device (5) includes a hydraulic cylinder (51) and a piston (52). The hydraulic cylinder (51) is fixed on the frame (1), and the piston (52) is disposed inside the hydraulic cylinder (51) and contacts the disc spring (3).

7. A shearing machine tool holder locking mechanism according to claim 1, characterized in that: The hydraulic device (5) is provided with a plurality of sealing components (9), and the sealing components (9) include O-rings (91) provided on the hydraulic device (5).

8. A shearing machine blade holder locking mechanism according to claim 1, characterized in that: A limit plate (10) is provided on the frame (1), and the limit plate (10) is used to limit the maximum stroke of the pull rod (2).

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