Hard alloy cutter

Abstract

The utility model belongs to the technical field of alloy knives, and particularly relates to a hard alloy knife which comprises a knife rest, a plurality of blades and a fixing device. A fixing device is arranged on the surfaces of the knife rest and the blade and comprises a placement groove, the placement groove is formed in the surface of the knife rest, two moving blocks are slidably connected to the inner wall of the placement groove of the knife rest, inserting columns are fixedly connected to the ends, away from each other, of the two moving blocks, and clamping blocks are fixedly connected to the positions, close to the inserting columns, of the surface of the blade; a moving device is arranged on the surface of the knife rest and comprises a placement block, the placement block is located on the side wall of the knife rest, two sliding blocks are slidably connected to the surface of the placement block, and two ejection blocks are fixedly connected to the ends, close to each other, of the two sliding blocks; the blade can be fixed by arranging a moving block, an inserting column and a clamping block, and meanwhile, the operation steps can be reduced by arranging a first spring, so that the effect of quickly disassembling and assembling the blade is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of alloy knives, in particular to a hard alloy knife. Background Art

[0002] Alloy cutting tools, including carbide blades and alloy blades, are important components of cutting tools and are widely used in the processing of metals, wood, plastics, ceramics, stones and other materials. Carbide blades have the characteristics of high hardness, high wear resistance, high strength, high cutting efficiency and long life. They are mainly made of tungsten-cobalt carbide, which can maintain good cutting performance and life under harsh working conditions such as high-speed cutting and high-temperature wear.

[0003] With respect to the above-mentioned and existing related technologies, the inventors believe that the following defects often exist: when a milling machine is needed to process a workpiece, a tool needs to be installed on the milling machine. Most of the tools are made of alloy materials, and most of the blades are fixed to the tool by bolts. Since the blades are small and the installation also requires complicated operations, the blades may be unstable and inconvenient to install in actual use. Therefore, a carbide tool is proposed to address the above problems. Utility Model Content

[0004] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.

[0005] The technical solution adopted by the utility model to solve its technical problems is: a cemented carbide knife described in the utility model comprises a tool holder, a plurality of blades and a fixing device, wherein the plurality of blades are located on the surface of the tool holder; a fixing device is provided on the surfaces of the tool holder and the blades, wherein the fixing device comprises a placement groove, wherein the placement groove is provided on the surface of the tool holder, and two moving blocks are slidably connected to the inner wall of the placement groove of the tool holder, and the ends of the two moving blocks away from each other are fixedly connected with a plug post, and a clamping block is fixedly connected to the position of the blade surface near the plug post, and the plug post is inserted into the inner wall of the plug post, and the plug post is inserted into the inner wall of the plug block, and the position of the blade can be fixed by arranging the connecting block, the plug post and the plug block, and the blade can be conveniently replaced.

[0006] Preferably, a push block is fixedly connected to the surface of the moving block, and the surface of the push block is slidably connected to the inner wall of the tool holder. When the moving block is moved, the push block is pushed so that the push block drives the moving block to slide. By setting the push block, the moving block can be easily moved.

[0007] Preferably, the side wall of the blade is fixedly connected with a fixing block, a storage groove is opened on the surface of the tool holder near the fixing block, the fixing block is inserted into the inner wall of the storage groove of the tool holder, and the setting of the fixing block can assist in fixing the blade.

[0008] Preferably, a sliding groove is provided on the surface of the tool holder near the push block, the inner wall of the sliding groove of the tool holder is slidably connected to the surface of the push block, and a first spring is fixedly connected to the surface of the moving block and the inner surface of the tool holder. When the moving block is released, the first spring will rebound. The setting of the first spring can drive the moving block to move and limit the position of the moving block at the same time.

[0009] Preferably, a moving device is provided on the surface of the tool holder, and the moving device includes a placing block, and the placing block is located on the side wall of the tool holder. Two sliding blocks are slidably connected to the surface of the placing block, and two top blocks are fixedly connected to one end of the two sliding blocks close to each other, and the top block is inserted into the inner wall of the push block. When the top block is inserted into the inner wall of the push block, the top block will move the position of the push block. By setting the placing block, the sliding block and the top block, the position of the push block can be conveniently moved.

[0010] Preferably, both upper and lower ends of the placement block are fixedly connected to limit blocks, and the surfaces of the placement block and the slider are fixedly connected to a second spring, and the second spring will rebound when the slider is released, and the setting of the second spring can drive the slider to move.

[0011] The utility model is beneficial in that:

[0012] 1. When the utility model needs to fix the blade, an iron rod or other object is used to push the push block so that the push block drives the moving block to slide, and the push block slides on the inner wall of the slide groove. When the moving block slides, it drives the plug post to slide, and the first spring is also stretched at the same time. Then, the fixed block on the blade is aligned with the storage groove, and then the blade is pushed to drive the card block and the fixed block to move. The fixed block is inserted into the inner wall of the storage groove, and the card block is inserted into the inner wall of the placement groove. Then, the first spring of the push block is released to rebound. The first spring drives the moving block and the plug post to slide, and the plug post is inserted into the inner wall of the card block. The blade can be fixed by arranging the moving block, the plug post and the card block. At the same time, the arrangement of the first spring can reduce the operating steps, thereby achieving the effect of quick disassembly and assembly of the blade.

[0013] 2. In the utility model, when it is necessary to disassemble the blade, the top block is aligned with the push block and then the slider is pushed to make the slider slide on the surface of the placement block and the side wall of the limit block. The slider will drive the top block to slide and at the same time drive the second spring to contract. The top block is inserted into the inner wall of the push block and at the same time the top block moves the push block position. After the disassembly is completed, the slider is released and the second spring will rebound. The second spring drives the slider to slide. By setting the slider and the top block, the position of the push block can be easily moved and the second spring can limit the position of the slider. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of a tool holder in a cemented carbide tool;

[0016] Figure 2 For a cemented carbide knife Figure 1 A schematic diagram of the structure at A;

[0017] Figure 3 It is a schematic diagram of the side view structure of a tool holder in a cemented carbide tool;

[0018] Figure 4 For a cemented carbide knife Figure 3 Schematic diagram of the structure at point B.

[0019] In the figure: 1. tool holder; 2. blade; 3. fixing device; 31. placement slot; 32. moving block; 33. plug-in column; 34. clamping block; 35. push block; 36. first spring; 37. fixing block; 38. storage slot; 39. slide slot; 4. moving device; 41. placement block; 42. slide block; 43. top block; 44. limit block; 45. second spring. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-4As shown, a cemented carbide knife comprises a tool holder 1, a plurality of blades 2 and a fixing device 3, wherein the plurality of blades 2 are located on the surface of the tool holder 1; the surfaces of the tool holder 1 and the blades 2 are provided with a fixing device 3, wherein the fixing device 3 comprises a placement groove 31, wherein the placement groove 31 is provided on the surface of the tool holder 1, and the inner wall of the placement groove 31 of the tool holder 1 is slidably connected with two moving blocks 32, and the ends of the two moving blocks 32 away from each other are fixedly connected with a plug post 33, and a clamping block 34 is fixedly connected with a position of the surface of the blade 2 near the plug post 33, and the plug post 33 is inserted into the inner wall of the clamping block 34; when working, the blade 2 is pushed so that the blade 2 drives the clamping block 34 to slide, and the clamping block 34 is inserted into the inner wall of the placement groove 31 of the tool holder 1, and then the moving block 32 is moved so that the moving block 32 drives the plug post 33 to slide, and the plug post 33 is inserted into the inner wall of the plug block 34, and the position of the blade 2 can be fixed by setting the connecting block, the plug post 33 and the clamping block 34, and the blade 2 can be conveniently replaced.

[0022] The surface of the moving block 32 is fixedly connected with a push block 35, and the surface of the push block 35 is slidably connected to the inner wall of the tool holder 1; when working, the push block 35 is pushed to allow the push block 35 to drive the moving block 32 to slide, and the moving block 32 can be easily moved by setting the push block 35.

[0023] The side wall of the blade 2 is fixedly connected with a fixing block 37, and a storage groove 38 is opened on the surface of the tool holder 1 near the fixing block 37, and the fixing block 37 is inserted into the inner wall of the storage groove 38 of the tool holder 1; when working, the blade 2 drives the fixing block 37 to slide, and the fixing block 37 is inserted into the inner wall of the storage groove 38. The setting of the fixing block 37 can assist in fixing the blade 2.

[0024] A sliding groove 39 is provided on the surface of the tool holder 1 near the push block 35, and the inner wall of the sliding groove 39 of the tool holder 1 is slidably connected to the surface of the push block 35, and the surface of the moving block 32 and the inner surface of the tool holder 1 are fixedly connected with a first spring 36; when working, the push block 35 slides on the inner wall of the sliding groove 39, and when the moving block 32 moves, it will drive the first spring 36 to stretch. When the moving block 32 is used, the first spring 36 will rebound when the moving block 32 is released. The setting of the first spring 36 can drive the moving block 32 to move and limit the position of the moving block 32 at the same time.

[0025] A moving device 4 is provided on the surface of the tool holder 1, and the moving device 4 includes a placement block 41, and the placement block 41 is located on the side wall of the tool holder 1. The surface of the placement block 41 is slidably connected to two sliders 42, and the ends of the two sliders 42 close to each other are fixedly connected to two top blocks 43, and the top blocks 43 are inserted into the inner wall of the push block 35; when working, the slider 42 is pushed to make the slider 42 slide on the surface of the placement block 41, and the slider 42 drives the top block 43 to slide, and the top block 43 is inserted into the inner wall of the push block 35, and the top block 43 will move the position of the push block 35. By setting the placement block 41, the slider 42 and the top block 43, the position of the push block 35 can be conveniently moved.

[0026] The upper and lower ends of the placement block 41 are fixedly connected to the limit block 44, and the surfaces of the placement block 41 and the slider 42 are fixedly connected with the second spring 45; when working, the slider 42 will slide on the side wall of the limit block 44, and the sliding of the slider 42 will drive the second spring 45 to contract. When the slider 42 is not needed, the slider 42 is released and the second spring 45 will rebound. The setting of the second spring 45 can drive the slider 42 to move.

[0027] Working principle: when it is necessary to fix the blade 2, use an iron rod or other object to push the push block 35 so that the push block 35 drives the moving block 32 to slide, and the push block 35 slides on the inner wall of the slide groove 39. When the moving block 32 slides, it will drive the plug post 33 to slide, and at the same time the first spring 36 will also stretch, and then align the fixed block 37 on the blade 2 with the storage groove 38, and then push the blade 2 so that the blade 2 drives the card block 34 and the fixed block 37 to move, the fixed block 37 is inserted into the inner wall of the storage groove 38, and the card block 34 is inserted into the inner wall of the placement groove 31, and then release the push block 35 and the first spring 36 rebounds, and the first spring 36 drives the moving block 32 and the plug post 33 to slide, and the plug post 33 is inserted into the inner wall of the card block 34. By setting the moving block 32, the plug post 33 and the card block 34, it can be fixed. The blade 2 is fixed, and the setting of the first spring 36 can reduce the operating steps, thereby achieving the effect of quickly disassembling and assembling the blade 2; when the blade 2 needs to be disassembled, the top block 43 is aligned with the push block 35 and then the slider 42 is pushed to let the slider 42 slide on the surface of the placement block 41 and the side wall of the limit block 44, the slider 42 will drive the top block 43 to slide, and at the same time will drive the second spring 45 to contract, the top block 43 is inserted into the inner wall of the push block 35, and at the same time the top block 43 will move the position of the push block 35, after the disassembly is completed, the slider 42 is released and the second spring 45 will rebound, and the second spring 45 drives the slider 42 to slide, and by setting the slider 42 and the top block 43, the position of the push block 35 can be easily moved, and the second spring 45 can limit the position of the slider 42.

[0028] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0029] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A cemented carbide knife, comprising a knife holder (1), a plurality of blades (2) and a fixing device (3), wherein the plurality of blades (2) are located on the surface of the knife holder (1); characterized in that: The surfaces of the tool holder (1) and the blade (2) are provided with a fixing device (3), the fixing device (3) comprising a placement groove (31), the placement groove (31) being opened on the surface of the tool holder (1), the inner wall of the placement groove (31) of the tool holder (1) being slidably connected to two moving blocks (32), the ends of the two moving blocks (32) being fixedly connected to a plug post (33) at a distance from each other, the surface of the blade (2) being fixedly connected to a clamping block (34) at a position close to the plug post (33), the plug post (33) being inserted into the inner wall of the clamping block (34).

2. A cemented carbide knife according to claim 1, characterized in that: A push block (35) is fixedly connected to the surface of the moving block (32), and the surface of the push block (35) is slidably connected to the inner wall of the tool holder (1).

3. A cemented carbide knife according to claim 2, characterized in that: The side wall of the blade (2) is fixedly connected to a fixing block (37); a receiving groove (38) is provided on the surface of the blade holder (1) near the fixing block (37); and the fixing block (37) is inserted into the inner wall of the receiving groove (38) of the blade holder (1).

4. A cemented carbide knife according to claim 3, characterized in that: A slide groove (39) is provided on the surface of the tool holder (1) near the push block (35); the inner wall of the slide groove (39) of the tool holder (1) is slidably connected to the surface of the push block (35); and a first spring (36) is fixedly connected to the surface of the moving block (32) and the inner surface of the tool holder (1).

5. The cemented carbide knife according to claim 1, characterized in that: The surface of the tool holder (1) is provided with a moving device (4), and the moving device (4) comprises a placement block (41), and the placement block (41) is located on the side wall of the tool holder (1). The surface of the placement block (41) is slidably connected to two sliders (42), and the ends of the two sliders (42) close to each other are fixedly connected to two top blocks (43), and the top blocks (43) are inserted into the inner wall of the push block (35).

6. A cemented carbide knife according to claim 5, characterized in that: The upper and lower ends of the placement block (41) are fixedly connected to limit blocks (44), and the surfaces of the placement block (41) and the sliding block (42) are fixedly connected to a second spring (45).

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