Hard alloy knife
Technical Field
The utility model relates to the technical field of alloy cutters, in particular to a hard alloy cutter.
Background
Alloy cutters, including carbide and alloy blades, are important components of cutting tools and are widely used in the processing of metals, wood, plastics, ceramics, stone, and other materials. The hard alloy blade has the characteristics of high hardness, high wear resistance, high strength, high cutting efficiency, long service life and the like. The material is mainly tungsten-cobalt hard alloy, and the material can still keep good cutting performance and service life under severe working conditions such as high-speed cutting, high-temperature abrasion and the like.
In view of the above and related art, the inventors considered that there are often drawbacks in that when a milling machine is required to process a workpiece, a tool is required to be mounted on the milling machine, a plurality of tools are made of alloy materials, a plurality of blades are fixed on the tool by bolts, and the blades are required to be complicated in mounting due to the fact that the blades are small, and thus problems of unstable centering of the blades and inconvenient mounting are likely to occur in practical use, and therefore, a cemented carbide tool is proposed in view of the above problems.
Disclosure of utility model
In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved.
The hard alloy knife comprises a knife rest, a plurality of blades and a fixing device, wherein the blades are positioned on the surface of the knife rest, the fixing device is arranged on the surfaces of the knife rest and the blades and comprises a placing groove, the placing groove is arranged on the surface of the knife rest, two moving blocks are connected to the inner wall of the placing groove of the knife rest in a sliding mode, inserting columns are fixedly connected to one ends, away from each other, of the two moving blocks, clamping blocks are fixedly connected to the positions, close to the inserting columns, of the surfaces of the blades, the inserting columns are inserted into the inner walls of the clamping blocks, the positions of the blades can be fixed through the arrangement of connecting blocks, the inserting columns and the clamping blocks, and meanwhile replacement of the blades is facilitated.
Preferably, the fixed surface of movable block is connected with the ejector pad, the surface and the knife rest inner wall sliding connection of ejector pad, when the movable block is removed, promote the ejector pad and let the ejector pad drive the movable block and slide, can conveniently remove the movable block through setting up the ejector pad.
Preferably, the lateral wall fixedly connected with fixed block of blade, the position that the knife rest surface is close to the fixed block has been seted up and has been accomodate the groove, the fixed block inserts and establishes the inslot wall of accomodating at the knife rest, and the fixed block inserts the inslot wall of accomodating, and the setting of fixed block can carry out auxiliary fixation to the blade.
Preferably, a sliding groove is formed in the position, close to the pushing block, of the surface of the tool rest, the inner wall of the sliding groove of the tool rest is in sliding connection with the surface of the pushing block, a first spring is fixedly connected with the surface of the moving block and the inner surface of the tool rest, the first spring rebounds when the moving block is loosened, the moving block can be driven to move by the aid of the first spring, and meanwhile the position of the moving block is limited.
Preferably, the surface of knife rest is equipped with mobile device, mobile device is including placing the piece, place the piece and be located the lateral wall of knife rest, place the surface sliding connection of piece and have two sliders, two the equal fixedly connected with two kicking blocks of one end that the slider is close to each other, the kicking block inserts the inner wall of establishing at the kicking block, and the kicking block inserts the kicking block inner wall, and the kicking block can remove the kicking block position, can conveniently remove the kicking block position through setting up to place piece, slider and kicking block.
Preferably, the upper and lower both ends of placing the piece are all fixedly connected with stopper, the fixed surface who places piece and slider is connected with the second spring, loosens the slider second spring and can rebound, and the setting of second spring can drive the slider and remove.
The utility model has the advantages that:
1. When the blade is required to be fixed, objects such as iron rods are used for pushing the push block to enable the push block to drive the moving block to slide, the push block slides on the inner wall of the chute, the moving block can drive the inserting column to slide when sliding, meanwhile, the first spring can also stretch, then the fixed block on the blade is aligned with the storage groove, the blade is pushed to enable the blade to drive the clamping block and the fixed block to move, the fixed block is inserted into the inner wall of the storage groove, the clamping block is inserted into the inner wall of the storage groove, then the first spring of the push block is loosened to rebound, the first spring drives the moving block and the inserting column to slide, the inserting column is inserted into the inner wall of the clamping block, the moving block, the inserting column and the clamping block are arranged to fix the blade, and meanwhile, the operation steps can be reduced due to the arrangement of the first spring, and the effect of quickly disassembling and assembling the blade is achieved.
2. When the blade is required to be disassembled, the ejector block is aligned with the push block, then the slide block is pushed to enable the slide block to slide on the surface of the placement block and the side wall of the limiting block, the slide block can drive the ejector block to slide, meanwhile, the second spring is driven to shrink, the ejector block is inserted into the inner wall of the push block, meanwhile, the ejector block can move the position of the push block, after the disassembly is finished, the second spring of the slide block is loosened to rebound, the second spring drives the slide block to slide, the position of the push block can be conveniently moved through the arrangement of the slide block and the ejector block, and meanwhile, the position of the slide block can be limited by the second spring.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic perspective view of a tool holder in a cemented carbide tool;
FIG. 2 is a schematic view of the structure of the cemented carbide insert shown in FIG. 1 at A;
FIG. 3 is a schematic side view of a tool holder in a cemented carbide tool;
fig. 4 is a schematic view of the structure of the cemented carbide insert at B in fig. 3.
The device comprises a tool rest 1, a tool rest 2, a blade 3, a fixing device 31, a placing groove 32, a moving block 33, a plunger 34, a clamping block 35, a pushing block 36, a first spring 37, a fixing block 38, a containing groove 39, a sliding groove 4, a moving device 41, a placing block 42, a sliding block 43, a top block 44, a limiting block 45 and a second spring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, a hard alloy knife comprises a knife rest 1, a plurality of blades 2 and a fixing device 3, wherein the blades 2 are positioned on the surface of the knife rest 1, the fixing device 3 is arranged on the surfaces of the knife rest 1 and the blades 2, the fixing device 3 comprises a placing groove 31, the placing groove 31 is arranged on the surface of the knife rest 1, two moving blocks 32 are slidably connected to the inner wall of the placing groove 31 of the knife rest 1, inserting columns 33 are fixedly connected to the ends, away from each other, of the two moving blocks 32, clamping blocks 34 are fixedly connected to the positions, close to the inserting columns 33, of the surfaces of the blades 2, the inserting columns 33 are inserted into the inner wall of the clamping blocks 34, and when in operation, the blades 2 are pushed to enable the blades 2 to drive the clamping blocks 34 to slide, the inserting columns 33 are driven to slide by the moving blocks 32, and the inserting columns 33 are inserted into the inner wall of the clamping blocks 34, and the positions of the blades 2 can be fixed through the arrangement of the connecting blocks, the inserting columns 33 and the clamping blocks 34.
The surface of the moving block 32 is fixedly connected with a pushing block 35, the surface of the pushing block 35 is in sliding connection with the inner wall of the tool rest 1, and when the tool rest is in operation, the pushing block 35 is pushed to drive the moving block 32 to slide, and the moving block 32 can be conveniently moved by arranging the pushing block 35.
The side wall of the blade 2 is fixedly connected with a fixing block 37, a storage groove 38 is formed in the surface of the blade holder 1 at a position close to the fixing block 37, the fixing block 37 is inserted into the inner wall of the storage groove 38 of the blade holder 1, when the blade 2 works, the fixing block 37 is driven to slide, the fixing block 37 is inserted into the inner wall of the storage groove 38, and the fixing block 37 can assist in fixing the blade 2.
The sliding groove 39 is formed in the surface of the tool rest 1 near the pushing block 35, the inner wall of the sliding groove 39 of the tool rest 1 is in sliding connection with the surface of the pushing block 35, the surface of the moving block 32 is fixedly connected with the first spring 36, when the tool rest 1 is in operation, the pushing block 35 slides on the inner wall of the sliding groove 39, the first spring 36 is driven to stretch when the moving block 32 moves, when the moving block 32 is used, the first spring 36 is released to rebound, the first spring 36 can drive the moving block 32 to move, and meanwhile, the position of the moving block 32 is limited.
The surface of the tool rest 1 is provided with a moving device 4, the moving device 4 comprises a placing block 41, the placing block 41 is located on the side wall of the tool rest 1, the surface of the placing block 41 is slidably connected with two sliding blocks 42, two top blocks 43 are fixedly connected to one ends, close to each other, of the two sliding blocks 42, the top blocks 43 are inserted into the inner wall of the pushing block 35, when the tool rest is operated, the sliding blocks 42 are pushed to enable the sliding blocks 42 to slide on the surface of the placing block 41, the sliding blocks 42 drive the top blocks 43 to slide, the top blocks 43 are inserted into the inner wall of the pushing block 35, the top blocks 43 can move the position of the pushing block 35, and the position of the pushing block 35 can be conveniently moved by arranging the placing block 41, the sliding blocks 42 and the top blocks 43.
The upper end and the lower end of the placing block 41 are fixedly connected with limiting blocks 44, the surfaces of the placing block 41 and the sliding block 42 are fixedly connected with second springs 45, when the sliding block is in operation, the sliding block 42 can slide on the side walls of the limiting blocks 44, the sliding block 42 can drive the second springs 45 to shrink when sliding block 42 slides, when the sliding block 42 is not needed, the second springs 45 can rebound when the sliding block 42 is loosened, and the sliding block 42 can be driven to move by the arrangement of the second springs 45.
When the blade 2 needs to be fixed, objects such as iron rods are used for pushing the push block 35 to drive the moving block 32 to slide, the push block 35 slides on the inner wall of the sliding groove 39, the insert column 33 can be driven to slide when the moving block 32 slides, meanwhile, the first spring 36 can stretch, then the fixing block 37 on the blade 2 is aligned with the storage groove 38, the blade 2 is pushed to drive the clamping block 34 and the fixing block 37 to move, the fixing block 37 is inserted into the inner wall of the storage groove 38, the clamping block 34 is inserted into the inner wall of the storage groove 31, then the first spring 36 of the push block 35 is loosened to rebound, the first spring 36 drives the moving block 32 and the insert column 33 to slide, the insert column 33 is inserted into the inner wall of the clamping block 34, the moving block 32, the insert column 33 and the clamping block 34 can be fixed through the moving block 32, the insert column 33 and the clamping block 34, and the operation steps can be reduced through setting up of the first spring 36, and therefore the effect of quick dismounting the blade 2 is achieved, when the blade 2 needs to be dismounted, the top block 43 is aligned with the push block 35, then the push block 42 is pushed to drive the sliding block 42 to slide on the surface of the storage block 41 and the side wall of the limiting block 44, the sliding block 42 is pushed by the side wall of the sliding block 42, the sliding block 42 can be pushed by the sliding block 42, the second spring 45 can be conveniently pushed by the second spring 45, and the second spring 45 can be conveniently dismounted, and the second spring 45 can be conveniently pushed and the second position 45 can be conveniently pushed and the second spring 45 can be simultaneously pushed and moved by the sliding block 45 and the sliding block 45 can be conveniently and the sliding 45 can be conveniently and the moved by the sliding block 45.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.