Carbide cross tool bit
Technical Field
The utility model relates to the technical field of tool bits, in particular to a hard alloy cross tool bit.
Background
In the field of metal cutting processing, cemented carbide tools are widely used in the processing of various materials due to their high hardness, high wear resistance and excellent cutting properties. With the continuous development of mechanical manufacturing technology, higher requirements are put on the cutting efficiency, durability and machining precision of the cutter.
In the cutting process, the traditional cross-shaped tool bit has cutting capability in two directions, but the cross-shaped tool bit is easy to cause the problems of increased cutting resistance and aggravated tool wear caused by accumulation of scraps in the cutting process, the problems not only affect the cutting efficiency, but also shorten the service life of the tool and increase the processing cost, so that the hard alloy cross-shaped tool bit is provided.
Disclosure of utility model
The utility model aims to at least solve one of the technical problems in the prior art, and provides a hard alloy cross tool bit, which can solve the problems that the cutting resistance is increased and the tool wear is aggravated due to accumulation of scraps in the cutting process of the cross tool bit, and the problems not only affect the cutting efficiency, but also shorten the service life of the tool and increase the processing cost.
In order to achieve the purpose, the utility model provides the following technical scheme that the hard alloy cross tool bit comprises:
the top end of the cross tool bit is welded with a drilling round head, and four auxiliary tool bits are arranged on the cross tool bit;
The top of vice tool bit is provided with two drilling cutting faces that are the V-arrangement, and the junction of two drilling cutting faces is provided with the drilling sword, and one side that two drilling cutting faces kept away from the drilling button head all is provided with the direction cutting face, and the junction of two direction cutting faces is provided with the direction sword, and one side that two direction cutting faces kept away from corresponding drilling cutting face all is provided with the expansion cutting face, and the junction of two expansion cutting faces is provided with the expansion cutting sword.
Preferably, the connection parts of the two drilling cutting surfaces and the corresponding guiding cutting surfaces are provided with drilling tail edges.
Preferably, the corresponding connection parts of the four auxiliary tool bits are provided with V-shaped grooves and chip removal grooves.
Preferably, the joints of the four chip grooves and the corresponding enlarged cutting surfaces are provided with side edges.
Compared with the prior art, the utility model has the beneficial effects that:
1. According to the hard alloy cross tool bit, under the cooperation of the cross tool bit, the auxiliary tool bit, the V-shaped groove and the chip removal groove, the tool bit can effectively guide the flow of chips and avoid the accumulation of the chips in a cutting area, so that the cutting resistance is reduced, the tool wear is reduced, the cutting efficiency is improved, and meanwhile, the friction resistance and the cutting temperature in the cutting process are reduced, and the quality of a machined surface is also obviously improved.
Drawings
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic diagram of a junk slot of the present utility model;
fig. 3 is a schematic top view of the cross-shaped cutter head of the present utility model.
The numerical control tool comprises a cross tool bit 1, a chip removing groove 2, an enlarged cutting face 3, a guide blade 4, a guide blade 5, a V-shaped groove 6, a drilling round head 7, a drilling cutting face 8, a drilling blade 9, a drilling tail blade 10, a guide cutting face 11, an enlarged cutting blade 12, a side blade 13 and an auxiliary tool bit.
Detailed Description
Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.
In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, greater than, less than, exceeding, etc. are understood to exclude this number, and above, below, within, etc. are understood to include this number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
Referring to fig. 1-3, the present utility model provides a technical solution, namely a cemented carbide cross tool bit, comprising:
The drilling tool comprises a cross tool bit 1, wherein a drilling round head 6 is welded at the top end of the cross tool bit 1, and four auxiliary tool bits 13 are arranged on the cross tool bit 1;
The top of the auxiliary tool bit 13 is provided with two V-shaped drilling cutting surfaces 7, the junction of the two drilling cutting surfaces 7 is provided with a drilling blade 8, one side of the two drilling cutting surfaces 7 away from the drilling round head 6 is provided with a guiding cutting surface 10, the junction of the two guiding cutting surfaces 10 is provided with a guiding blade 4, one side of the two guiding cutting surfaces 10 away from the corresponding drilling cutting surface 7 is provided with an expanding cutting surface 3, and the junction of the two expanding cutting surfaces 3 is provided with an expanding cutting blade 11.
The connection of the two drilling cutting surfaces 7 and the corresponding guiding cutting surfaces 10 is provided with a drilling tail blade 9, the connection of the four auxiliary tool bits 13 is provided with a V-shaped groove 5 and chip grooves 2, and the connection of the four chip grooves 2 and the corresponding expanding cutting surfaces 3 is provided with side blades 12.
Through the cooperation of the cross tool bit 1, the auxiliary tool bit 13, the V-shaped groove 5 and the chip removal groove 2, the tool bit can effectively guide the flow of chips and avoid the accumulation of the chips in a cutting area, so that the cutting resistance is reduced, the tool wear is reduced, the cutting efficiency is improved, and meanwhile, the quality of a machined surface is obviously improved due to the reduction of the friction resistance and the cutting temperature in the cutting process.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.