Shearing tool bit structure for box type shearing machine

Abstract

The utility model relates to a shearing tool bit structure for a box type shearing machine, and belongs to the technical field of shearing machines. Comprising a shearing tool bit body, connecting pin shaft holes are vertically formed in the rear end of the shearing tool bit body, pin shafts penetrate through the connecting pin shaft holes respectively, so that the shearing tool bit body is fixedly connected with an extension rod of a shearing oil cylinder, a plurality of screw holes are formed in the front end of the shearing tool bit body, and a plurality of fixing holes are formed in a lower blade. The fixing holes correspond to the screw holes, and screws are arranged in the screw holes and the fixing holes in a screwed mode, so that the lower blade is fixed to the shearing tool bit body, and the screws are arranged in the shearing tool bit body. A first wear-resisting plate is arranged on the front side face of the shearing tool bit body. And the top surface and the bottom surface of the shearing tool bit body are respectively provided with a second wear-resisting plate. The connecting strength is high, dismounting and mounting are convenient, and the lower blade is convenient to replace after being abraded; and the service life is prolonged.

Description

Technical Field

[0001] The utility model relates to a shearing head structure for a box-type shearing machine, belonging to the technical field of shearing machines. Background Art

[0002] It can shear various low-carbon and light-weight scrap steel for production and life, scrapped automobile shells, large light metal structural parts and profiles made of steel into scrap steel suitable for furnace charge. It is an ideal equipment for steel mills, non-ferrous metal smelting industry, precision casting industry and raw material manufacturers. At present, shearing machines can shear large pieces of scrap steel into pieces of specified size, but the shearing heads are easy to break and wear, the maintenance and replacement time is long, the service life is short, the production cost is increased, and the shearing efficiency is affected. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a shearing head structure for a box-type shearing machine in view of the above-mentioned prior art, which is convenient to disassemble and assemble, not easy to be damaged, has a prolonged service life and improves shearing efficiency.

[0004] The technical solution adopted by the utility model to solve the above-mentioned problem is: a shearing head structure for a box-type shearing machine, comprising a shearing head body, a vertically arranged connecting pin shaft hole is provided at the rear end of the shearing head body, pins are respectively passed through the connecting pin shaft holes, so that the shearing head body is fixedly connected to the shear cylinder extension rod, a plurality of screw holes are provided at the front end of the shearing head body, a plurality of fixing holes are provided on the lower blade, the fixing holes correspond to the screw holes, screws are screwed into the screw holes and the fixing holes, so that the lower blade is fixed on the shearing head body and the screws are arranged inside the shearing head body.

[0005] The shearing blade body is an integral structural component.

[0006] A first wear-resistant plate is arranged on the front side of the shearing cutter head body.

[0007] The second wear-resistant plates are respectively arranged on the top surface and the bottom surface of the shearing head body.

[0008] Guide strips are symmetrically arranged on both sides of the front end of the shearing blade body.

[0009] Compared with the prior art, the advantages of the utility model are: a shear head structure for a box-type shearing machine, in which an integrated shear head body and a shear cylinder are fixedly connected by a pin shaft, and the connection strength is high; the lower blade is fixed to the shear head body by screws, which is convenient for disassembly and assembly, and the lower blade is easy to replace after being worn, thereby improving the shearing efficiency; the first wear-resistant plate and the second wear-resistant plate protect the shear head body, which is not easy to be damaged and prolongs the service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1This is a schematic diagram of a shearing blade structure for a box-type shearing machine according to an embodiment of the utility model;

[0011] Figure 2 for Figure 1 AA schematic diagram;

[0012] In the figure, 1 is the shear head body, 2 is the connecting pin shaft hole, 3 is the screw hole, 4 is the first wear-resistant plate, 5 is the guide strip, and 6 is the second wear-resistant plate. DETAILED DESCRIPTION

[0013] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0014] like Figure 1 , 2 As shown, a shearing head structure for a box-type shearing machine in this embodiment includes an integrated shearing head body 1, and a vertically arranged connecting pin shaft hole 2 is symmetrically provided at the rear end of the shearing head body 1, and a pin shaft is respectively passed through the connecting pin shaft hole 2, so that the shearing head body 1 is fixedly connected to the extension rod of the shearing cylinder. A plurality of screw holes 3 arranged evenly at intervals are provided at the front end of the shearing head body 1, and a plurality of fixing holes arranged evenly at intervals are provided on the lower blade, and the fixing holes correspond to the screw holes 3, and the screws are screwed into the corresponding screw holes 3 and the fixing holes, so that the lower blade is fixed on the shearing head body 1 and the screws are provided inside the shearing head body 1.

[0015] A first wear-resistant plate 4 is arranged on the front side of the shearing head body 1, and the first wear-resistant plate 4 protects the front side of the shearing head body.

[0016] The second wear-resistant plates 6 are respectively arranged on the top surface and the bottom surface of the shearing head body 1 , and the second wear-resistant plates 6 play a protective role on the top surface and the bottom surface of the shearing head body 1 .

[0017] Guide strips 5 are symmetrically arranged on both sides of the front end of the shearing head body 1 to play a guiding role during the movement of the shearing head body.

[0018] The present application fixes and connects the integrated shear head body and the shear cylinder through a pin shaft, and the connection strength is high; the lower blade is fixed to the shear head body by screws, which is convenient for disassembly and assembly, and the lower blade is easy to replace after being worn, thereby improving the shearing efficiency; the first wear-resistant plate and the second wear-resistant plate protect the shear head body, which is not easy to be damaged and prolongs the service life.

[0019] In addition to the above embodiments, the present invention also includes other implementation modes. Any technical solutions formed by equivalent transformation or equivalent replacement should fall within the protection scope of the claims of the present invention.

Claims

1. A shearing head structure for a box-type shearing machine, characterized in that: It includes a shearing head body, a vertically arranged connecting pin shaft hole is provided at the rear end of the shearing head body, and pins are respectively passed through the connecting pin shaft holes, so that the shearing head body is fixedly connected to the extension rod of the shearing cylinder, a plurality of screw holes are provided at the front end of the shearing head body, and a plurality of fixing holes are provided on the lower blade, the fixing holes correspond to the screw holes, and the screws are screwed into the screw holes and the fixing holes, so that the lower blade is fixed on the shearing head body and the screws are arranged inside the shearing head body.

2. A shearing head structure for a box-type shearing machine according to claim 1, characterized in that: The shearing blade body is an integral structural component.

3. The shearing head structure for a box-type shearing machine according to claim 1, characterized in that: A first wear-resistant plate is arranged on the front side of the shearing cutter head body.

4. The shearing head structure for a box-type shearing machine according to claim 1, characterized in that: The second wear-resistant plates are respectively arranged on the top surface and the bottom surface of the shearing head body.

5. The shearing head structure for a box-type shearing machine according to claim 1, characterized in that: Guide strips are symmetrically arranged on both sides of the front end of the shearing blade body.

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