Welded type double-drum-shaped forming cutter bar

Abstract

The utility model relates to the technical field of cutter bars, and discloses a welding type double-drum-shaped forming cutter bar which comprises a bar body, a plurality of double-drum-shaped cutting protruding blocks are fixedly connected to the side wall of the bottom end of the bar body in a surrounding mode, and reinforced hard alloy steel is fixedly connected to the side walls of the double-drum-shaped cutting protruding blocks respectively. The side wall of the reinforced hard alloy steel is matched with the double-drum-shaped cutting protruding block, the rod body is located on the double-drum-shaped cutting protruding block, and the top end of the rod body is fixedly connected with an installation screw rod. The multiple double-drum-shaped cutting protruding blocks are fixedly connected to the bottom of the rod body in a surrounding mode, the structural strength of the bottom of the rod body is improved, the wear-resisting effect of the double-drum-shaped cutting protruding blocks is improved, the service life of the double-drum-shaped cutting protruding blocks is prolonged through the reinforced hard alloy steel, chippings generated after cutting are discharged in time through the cooling grooves, and heat accumulation at the bottom of the rod body can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of knife bars, in particular to a welded double-drum-formed knife bar. Background Art

[0002] A tool bar is a tool used for processing or cutting materials. It is usually made of high-quality steel. The shape and size of the tool bar can be customized according to specific processing requirements. Common shapes include cylindrical, square, hexagonal, etc. The tool bar is usually used in conjunction with a blade or a tool head for reducing, cutting, milling and other operations during the processing process.

[0003] In the prior art, drum-formed tool rods are required to be used according to special processing requirements. However, the commonly used drum-formed tool rods will wear out after long-term use, and the heat accumulation after long-term processing will affect the use strength of the tool rod. The tool rod is affected by external vibration or collision contact during cutting, causing the connection of the tool rod to be offset or unstable, which will affect the stability of the tool rod connection. Utility Model Content

[0004] The purpose of the utility model is to solve the problems that the drum-formed tool rod commonly used in the prior art will wear out after long-term use, and the heat accumulation after long-term processing will affect the use strength of the tool rod, and the tool rod will be affected by external vibration or collision contact during cutting, causing the connection of the tool rod to be offset or unstable, which will affect the stability of the tool rod connection, and a welded double drum-formed tool rod is proposed.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A welded double-drum forming tool rod comprises a rod body, a plurality of double-drum cutting protrusions are fixedly connected around the side wall of the bottom end of the rod body, and reinforced carbide steel is fixedly connected to the side walls of the plurality of double-drum cutting protrusions respectively, and the side walls of the reinforced carbide steel match the double-drum cutting protrusions. The rod body is located on the double-drum cutting protrusions, and a mounting screw is fixedly connected to the top end of the rod body.

[0007] Preferably, the rod body is located on a rod wall of a plurality of double-drum cutting protrusions and is surrounded by a plurality of cooling grooves, wherein the cooling grooves are configured as conical grooves.

[0008] Preferably, a chamfered angle is provided on the top side wall of the mounting screw, and a placement groove is provided on the top inner wall of the mounting screw.

[0009] Preferably, the mounting screw is fixedly connected to an inner wall of the placement slot with a spring, and the top end of the spring passes through the placement slot, extends to the top of the mounting screw and is fixedly connected to a top plate.

[0010] Preferably, a non-slip pad is fixedly connected to the top end of the top plate, and a side wall of the non-slip pad is provided with a rounded corner.

[0011] Preferably, a guide rod is fixedly connected to the bottom of the top plate, a guide slot is provided on the inner wall of the placement slot where the rod body and the mounting screw are located, and the rod wall of the guide rod is slidably arranged on the inner wall of the guide slot where the rod body and the mounting screw are located.

[0012] Compared with the prior art, the utility model provides a welded double-drum forming tool bar, which has the following beneficial effects:

[0013] 1. The welded double-drum forming tool bar is fixedly connected to the bottom of the rod body by multiple double-drum cutting protrusions, which improve the structural strength of the bottom of the rod body. The reinforced carbide steel improves the wear resistance and service life of the double-drum cutting protrusions. The cooling groove allows the chips after cutting to be discharged in time, which can reduce the heat accumulation at the bottom of the rod body.

[0014] 2. The welded double-drum forming tool bar pushes the top plate to extend to the outside of the mounting screw through the spring, which can improve the stability of the installation of the mounting screw. The anti-skid pad can improve the anti-skid effect and prevent the top plate from slipping.

[0015] 3. The welded double-drum forming tool bar can improve the stability of the top plate movement and prevent the top plate from deflecting when moving by sliding the guide rod along the inner wall of the guide groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A structural stereogram of a welded double-drum forming tool bar proposed by the utility model;

[0017] Figure 2 This is a structural cross-sectional view of a welded double-drum forming tool bar proposed by the utility model;

[0018] Figure 3 for Figure 2 Schematic diagram of the enlarged structure of part A in the middle.

[0019] In the figure: 1 rod body, 2 double drum-shaped cutting protrusions, 3 reinforced carbide steel, 4 cooling tank, 5 mounting screw, 6 spring, 7 top plate, 8 anti-slip pad, 9 guide rod. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely 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 of the embodiments.

[0021] Reference Figure 1-3A welded double-drum forming tool rod comprises a rod body 1, a plurality of double-drum cutting protrusions 2 are fixedly connected around the side wall of the bottom end of the rod body 1, and reinforced carbide steels 3 are fixedly connected to the side walls of the plurality of double-drum cutting protrusions 2 respectively, and the side walls of the reinforced carbide steels 3 match the double-drum cutting protrusions 2, the rod body 1 is located on the double-drum cutting protrusions 2, and a mounting screw 5 is fixedly connected to the top of the rod body 1. The rod body 1 is located on the rod wall of the plurality of double-drum cutting protrusions 2 and a plurality of cooling grooves 4 are opened around it, and the cooling grooves 4 are arranged as conical grooves, and the top side wall of the mounting screw 5 is opened with a chamfered angle, and the top inner wall of the mounting screw 5 is opened with a placement groove.

[0022] The mounting screw 5 is located on the inner wall of the placement groove and is fixedly connected to a spring 6. The top end of the spring 6 passes through the placement groove and extends to the top of the mounting screw 5 and is fixedly connected to a top plate 7. The top end of the top plate 7 is fixedly connected to an anti-skid pad 8, and the side wall of the anti-skid pad 8 is provided with a chamfered corner.

[0023] When in use, multiple double-drum cutting protrusions 2 are respectively surrounded and fixedly connected to the bottom of the rod body 1, which can improve the structural strength of the bottom of the rod body 1, and the reinforced carbide steel 3 can improve the wear resistance and service life of the double-drum cutting protrusion 2. The cooling groove 4 can discharge the cutting debris in time and reduce the heat accumulation at the bottom of the rod body 1. The mounting bolt 5 can improve the stability of the installation of the rod body 1. After installation, the spring 6 can push the top plate 7 to extend to the outside of the mounting screw 5, which can improve the stability of the installation of the mounting screw 5. The anti-skid pad 8 can improve the anti-skid effect and prevent the top plate 7 from slipping.

[0024] In order to improve the stability of the movement of the top plate 7, as Figure 1-3 As shown, a guide rod 9 is fixedly connected to the bottom of the top plate 7, and a guide slot is provided on the inner wall of the placement groove where the rod body 1 and the mounting screw 5 are located, and the rod wall of the guide rod 9 is slidably arranged on the inner wall of the guide slot where the rod body 1 and the mounting screw 5 are located.

[0025] The guide rod 9 slides along the inner wall of the guide slot, which can improve the stability of the movement of the top plate 7 and prevent the top plate 7 from deflecting when moving.

[0026] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A welded double-drum forming tool bar, comprising a bar body (1), characterized in that: A plurality of double-drum cutting protrusions (2) are fixedly connected around the side wall of the bottom end of the rod body (1), and a plurality of reinforced hard alloy steels (3) are fixedly connected to the side walls of the double-drum cutting protrusions (2), respectively. The side walls of the reinforced hard alloy steels (3) match the double-drum cutting protrusions (2), and the rod body (1) is located on the double-drum cutting protrusions (2). A mounting screw (5) is fixedly connected to the top end of the rod body (1).

2. A welded double-drum forming tool bar according to claim 1, characterized in that: The rod body (1) is located on a rod wall of a plurality of double-drum cutting protrusions (2), and a plurality of cooling grooves (4) are arranged around the rod body (1), wherein the cooling grooves (4) are arranged as conical grooves.

3. The welded double-drum forming tool bar according to claim 1, characterized in that: The top side wall of the mounting screw rod (5) is provided with a chamfered angle, and the top inner wall of the mounting screw rod (5) is provided with a placement groove.

4. The welded double-drum forming tool bar according to claim 1, characterized in that: The mounting screw rod (5) is located on the inner wall of the placement groove and is fixedly connected to a spring (6); the top end of the spring (6) passes through the placement groove and extends to the top of the mounting screw rod (5) and is fixedly connected to a top plate (7).

5. A welded double-drum forming tool bar according to claim 4, characterized in that: The top end of the top plate (7) is fixedly connected to an anti-skid pad (8), and the side wall of the anti-skid pad (8) is provided with a rounded corner.

6. A welded double-drum forming tool bar according to claim 4, characterized in that: The bottom of the top plate (7) is fixedly connected with a guide rod (9); the inner wall of the placement groove where the rod body (1) and the mounting screw rod (5) are located is provided with a guide slot; the rod wall of the guide rod (9) is slidably arranged on the inner wall of the guide slot where the rod body (1) and the mounting screw rod (5) are located.

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