Combined double-length flying shear structure

Abstract

The utility model discloses a combined multiple-length flying shear structure which comprises a box body, an input shaft and a pair of output shafts are rotationally arranged in the box body, the input shaft is fixedly sleeved with a first gear, the output shafts are fixedly sleeved with second gears meshed with the first gear, and the output ends of the output shafts extend out of the box body and are fixedly sleeved with rotating discs. A first swing arm is fixed to the tool rest, a first pin hole is formed in the end, not connected with the tool rest, of the first swing arm, a second swing arm is arranged on one side of the first swing arm, a second pin hole is formed in the end, facing the first swing arm, of the second swing arm, and the first pin hole and the second pin hole are connected through a first pin. The end, not provided with the second pin hole, of the second swing arm is rotationally connected with the box body, and a third pin hole matched with the first pin hole is formed in the rotating disc. According to the flying shear structure, combined cutting is achieved, the shearing specification is smaller than or equal to phi 50 mm, the highest crank shearing speed can reach 7 m / s, the highest rotary shearing speed can reach 16 m / s, and the applicability is wider.

Description

Technical Field

[0001] The present application relates to the technical field of flying shears, and in particular to a combined multiple-length flying shear structure. Background Art

[0002] The shearing specifications of the existing combined flying shears in the domestic market are all ≤φ30mm, which cannot meet the requirements of the new rolling process. Utility Model Content

[0003] The purpose of the utility model is to provide a combined multiple-length flying shear structure to overcome the deficiencies in the prior art.

[0004] To achieve the above objectives, the present invention provides the following technical solutions:

[0005] The embodiment of the present application discloses a combined multiple-length flying shear structure, including a box body, characterized in that: an input shaft and a pair of output shafts are rotatably provided in the box body, and the pair of output shafts are symmetrically arranged on the upper and lower sides of the input shaft, and the input shaft is fixedly sleeved with a first gear, and the output shaft is fixedly sleeved with a second gear meshing with the first gear. The output end of the output shaft extends outside the box body and the fixed sleeve is provided with a turntable, the turntable is convexly provided with a connecting shaft, and the connecting shaft is rotatably sleeved with a tool holder, and the tool holder is fixed with a first swing arm, an end of the first swing arm not connected to the tool holder is provided with a first pin hole, a second swing arm is provided on one side of the first swing arm, and a second pin hole is provided at an end of the second swing arm facing the first swing arm, the first pin hole and the second pin hole are connected by a first pin, and the end of the second swing arm not provided with the second pin hole is rotatably connected to the box body, and the turntable is provided with a third pin hole that matches the first pin hole.

[0006] Preferably, in the above-mentioned combined multiple-length flying shear structure, a fourth pin hole is provided on the second swing arm, a fifth pin hole matching the fourth pin hole is provided on the box body, and the fourth pin hole can be connected to the fifth pin hole through a second pin.

[0007] Preferably, in the above-mentioned combined multiple-length flying shear structure, the third pin hole can be connected to the first pin hole through the first pin.

[0008] Compared with the prior art, the advantages of the present invention are:

[0009] During rotary cutting, the first swing arm connected to the tool holder is connected to the turntable through the first pin, the first pin hole and the third pin hole. During crank cutting, after replacing the special tool holder, the first swing arm connected to the tool holder is connected to the second swing arm through the first pin, the first pin hole and the second pin hole. Both modes can be performed by replacing the tool holder according to the different cutting methods, thereby realizing combined cutting. The shearing specifications can be ≤φ50mm, the crank shearing speed can reach up to 7m / s, and the rotary shearing speed can reach up to 16m / s, with wider applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments recorded in this application. For ordinary technicians in this field, it is easy to obtain other drawings based on these drawings without creative work.

[0011] Figure 1 The figure shows the structure of the combined multiple-length flying shear structure in the specific embodiment of the utility model. Figure 1 ;

[0012] Figure 2 The figure shows the structure of the combined multiple-length flying shear structure in the specific embodiment of the utility model. Figure 2 ;

[0013] Figure 3 Shown is a cross-sectional view of a combined multiple-size flying shear structure in a specific embodiment of the present utility model. DETAILED DESCRIPTION

[0014] The following is a detailed description of the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0015] Ginseng Figures 1 to 3 As shown, the combined multiple-length flying shear structure in this embodiment includes a box body 1, in which an input shaft 2 and a pair of output shafts 3 are rotatably provided in the box body 1, and the pair of output shafts 3 are symmetrically arranged on the upper and lower sides of the input shaft 2. A first gear 4 is fixedly sleeved on the input shaft 2, and a second gear 5 meshing with the first gear 4 is fixedly sleeved on the output shaft 3. The output end of the output shaft 3 extends to the outside of the box body 1 and is fixedly sleeved with a turntable 6. A connecting shaft 7 is protruded on the turntable 6, and a tool holder 8 is rotatably sleeved on the connecting shaft 7. A first swing arm 9 is fixed on the tool holder 8, and a first pin hole 10 is provided at one end of the first swing arm 9 that is not connected to the tool holder 8. A second swing arm 11 is provided on one side of the first swing arm 9, and a second pin hole 12 is provided at the end of the second swing arm 11 facing the first swing arm 9. The first pin hole 10 and the second pin hole 12 are connected by a first pin 13. The end of the second swing arm 11 that is not provided with the second pin hole 12 is rotatably connected to the box body 1, and a third pin hole 14 that cooperates with the first pin hole 10 is provided on the turntable 6.

[0016] Furthermore, a fourth pin hole 15 is provided on the second swing arm 11 , and a fifth pin hole 16 matching with the fourth pin hole 15 is provided on the box body 1 . The fourth pin hole 15 can be connected to the fifth pin hole 16 through a second pin 17 .

[0017] Furthermore, the third pin hole 14 may be connected to the first pin hole 10 via the first pin 12 .

[0018] In this technical solution, during rotary cutting, the first swing arm connected to the tool holder is connected to the turntable through the first pin, the first pin hole and the third pin hole. During crank cutting, after replacing the special tool holder, the first swing arm connected to the tool holder is connected to the second swing arm through the first pin, the first pin hole and the second pin hole. Both modes can be performed by replacing the tool holder according to the different cutting methods, thereby realizing combined cutting. The shearing specifications can be ≤φ50mm, the crank shearing speed can reach up to 7m / s, and the rotary shearing speed can reach up to 16m / s, with wider applicability.

[0019] 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 device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of other identical elements in the process, method, article, or device comprising the element.

[0020] The above is only a specific implementation method of the present application. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present application. These improvements and modifications should also be regarded as the scope of protection of the present application.

Claims

1. A combined multiple-length flying shear structure, comprising a box, characterized in that: An input shaft and a pair of output shafts are rotatably provided in the box body, and the pair of output shafts are symmetrically arranged on the upper and lower sides of the input shaft, and a first gear is fixedly sleeved on the input shaft, and a second gear meshing with the first gear is fixedly sleeved on the output shaft. The output end of the output shaft extends outside the box body and the fixed sleeve is provided with a turntable, and a connecting shaft is convexly provided on the turntable, and a tool holder is rotatably sleeved on the connecting shaft, and a first swing arm is fixed on the tool holder, and a first pin hole is provided at an end of the first swing arm not connected to the tool holder, a second swing arm is provided on one side of the first swing arm, and a second pin hole is provided at an end of the second swing arm facing the first swing arm, the first pin hole and the second pin hole are connected by a first pin, and the end of the second swing arm not provided with the second pin hole is rotatably connected to the box body, and a third pin hole is provided on the turntable to match the first pin hole.

2. A combined multiple-length flying shear structure according to claim 1, characterized in that: The second swing arm is provided with a fourth pin hole, the box body is provided with a fifth pin hole that matches the fourth pin hole, and the fourth pin hole can be connected to the fifth pin hole through a second pin.

3. The combined multiple-length flying shear structure according to claim 1, characterized in that: The third pin hole may be connected to the first pin hole via a first pin.

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