A cemented carbide forming cutter with enlarged chip removal groove

Abstract

The utility model discloses a carbide forming knife with an enlarged chip groove, which relates to the technical field of alloy forming knives, including a handle end, a connection block is fixedly installed on the outside of the handle end, a drill is fixedly installed on the outside of the connection block, and a cutter head is fixedly installed on the outside of the drill head. The carbide forming knife with an enlarged chip groove can lubricate eight surfaces of the cutter head through four connecting grooves 2 and an oil outlet, so as to avoid the lubricant being not applied properly during the lubrication process, which may cause the cutter head to break during use, and the four chip grooves 1 and 2 can be set to achieve a larger chip removal amount for waste chips, and the chip grooves 1 and 2 can correspond one to one to avoid blockage of a group of chip grooves 1 corresponding to multiple chip grooves 2, and the bevel design can reduce the surface area of ​​the cutting tool when in contact with the workpiece, thereby reducing the cutting resistance.

Description

Technical Field

[0001] The utility model relates to the technical field of alloy forming knives, in particular to a hard alloy forming knife provided with an enlarged chip removal groove. Background Art

[0002] The CNC processing route is the CNC lathe feed processing route, which refers to the path that the turning tool takes from the tool reference point (or the fixed origin of the machine tool) until it returns to the point and ends the processing program, including the cutting processing path and the non-cutting idle travel path such as tool cutting in and out. When using CNC equipment to cut holes and grooves, alloy cutters of corresponding sizes are generally used. The alloy cutters are driven by a motor to rotate, and the feeding mechanism is pushed forward or retracted to achieve hole and groove processing.

[0003] China Utility Model Patent Publication No.: CN 219503740 U, ​​discloses: a cemented carbide forming knife with an enlarged chip groove, the cemented carbide forming knife with an enlarged chip groove, the knife head can realize the punching and grooving processing when in contact with the steel plate, and the first chip groove can discharge the debris, and the multiple groups of first chip grooves can ensure the discharge effect and prevent the debris from affecting the punching and grooving efficiency. However, the cemented carbide forming knife with the enlarged chip groove is not designed with an internal lubrication channel, which easily leads to the lubricating fluid not being convenient to enter the knife head, which easily causes the knife head to be damaged, and the cemented carbide forming knife with the enlarged chip groove is only designed with a spiral second chip groove connected to multiple first chip grooves, which easily causes the chip groove to be blocked during chip removal, affecting normal chip removal. Utility Model Content

[0004] The utility model aims to provide a cemented carbide forming cutter with an enlarged chip removal groove, which can solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cemented carbide forming tool with an enlarged chip groove, comprising a shank end, a connecting block is fixedly installed on the outer side of the shank end, a drill is fixedly installed on the outer side of the connecting block, a cutter head is fixedly installed on the outer side of the drill head, and a chip groove 2 is opened on the outer side of the cutter head, and the chip groove 2 and the chip groove 1 are arranged in four identical groups, and the four chip grooves 1 and the chip groove 2 are in one-to-one correspondence.

[0006] Preferably, a positioning groove is opened on the outer side of the handle end, and the positioning grooves are provided in a plurality, and the plurality of positioning grooves are distributed in a ring shape about the center line of the handle end.

[0007] Preferably, an oil inlet is provided on the outer side of the connection block, a connecting groove one is provided on the outer side of the drill bit, and the oil inlet and the connecting groove one are connected to each other.

[0008] Preferably, a chip removal groove 1 is provided on the outside of the drill bit, a connecting groove 2 is provided on the inside of the drill bit, an oil outlet is provided at the bottom of the drill bit, the chip removal groove 1 and the connecting groove 2 are connected to each other, and the connecting groove 2 is in an "L"-shaped structure.

[0009] Preferably, the communicating grooves 2 and the oil outlets are provided in four identical numbers, and the four communicating grooves 2 and the oil outlets are distributed in a ring shape with respect to the drill bit.

[0010] Preferably, the outer side of the blade head is provided with an oblique angle, the oblique angle is provided with an arc, and the arc of the oblique angle is about 15° to 20°.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The utility model can lubricate the eight surfaces of the cutter head through the four connecting grooves 2 and the oil outlet, thereby avoiding the occurrence of inadequate application of lubricant during the lubrication process, which may cause the cutter head to break during use, and can effectively prolong the service life. Through the four chip removal grooves 1 and 2, a larger chip removal amount can be achieved for the waste chips during use, and the chip removal grooves 1 and 2 correspond one to one to avoid clogging of a group of chip removal grooves 1 and 2, which affects normal chip removal. The design of the set bevel angle can reduce the surface area of ​​the cutting tool in contact with the workpiece, thereby reducing the cutting resistance, helping to improve the cutting efficiency, reduce tool wear, and extend the tool life. The setting of the bevel angle helps to improve the removal of chips, reduce the friction and heat generated during the cutting process, and improve the cutting stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The three-dimensional structure of the utility model is shown in FIG. Figure 1 ;

[0014] Figure 2 The three-dimensional structure of the utility model is shown in FIG. Figure 2 ;

[0015] Figure 3 The three-dimensional structure of the utility model is shown in FIG. Figure 3 ;

[0016] Figure 4 This is a schematic diagram of the cross-sectional structure of the utility model;

[0017] Figure 5 This is a schematic diagram of the installation structure of the drill bit and the chip removal groove of the utility model;

[0018] Figure 6 This is a schematic diagram of the oil outlet and cutter head installation structure of the utility model.

[0019] Among them: 1. Shank end; 2. Positioning groove; 3. Connecting block; 4. Oil inlet; 5. Connecting groove 1; 6. Drill bit; 7. Chip groove 1; 8. Connecting groove 2; 9. Oil outlet; 10. Cutter head; 11. Chip groove 2; 12. Bevel. 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 of 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] Example 1

[0022] See also Figure 1-6 In the figure, a carbide forming tool with an enlarged chip groove includes a shank end 1, a connection block 3 is fixedly installed on the outside of the shank end 1, a drill bit 6 is fixedly installed on the outside of the connection block 3, a cutter head 10 is fixedly installed on the outside of the drill bit 6, and a second chip groove 11 is opened on the outside of the cutter head 10. The second chip groove 11 and the first chip groove 7 are provided with four identical ones, and the four chip grooves 7 and the second chip groove 11 are in one-to-one correspondence.

[0023] See also Figure 1-6 In the figure, a positioning groove 2 is opened on the outer side of the handle end 1, and a plurality of positioning grooves 2 are provided, and the plurality of positioning grooves 2 are distributed in a ring shape about the center line of the handle end 1.

[0024] In this embodiment: by setting the positioning groove 2, when installing the integral carbide forming knife, the carbide forming knife can be quickly installed through multiple positioning grooves 2, and it is not easy to cause the carbide forming knife to shake, avoiding separation from the mounting seat during use, affecting normal work.

[0025] Working principle: during use, through the provided positioning groove 2, when installing the integral carbide forming knife, the carbide forming knife can be quickly installed through multiple positioning grooves 2, and it is not easy to cause the carbide forming knife to shake, and avoid separation from the mounting seat during use, which affects normal operation. Through the provided oil inlet 4 and the connecting groove 1 5, the lubricating oil used for lubrication can be put in through the oil inlet 4, and then the lubricating oil can enter the connecting groove 1 5 through the oil inlet 4, and can reach the outside of the cutter head 10 through the connecting groove 1 5 for lubrication. Through the provided connecting groove 2 8 and the oil outlet 9, the lubricating oil entering the connecting groove 1 5 can enter the connecting groove 2 8, and then can enter from the oil outlet 9 to achieve lubrication of the cutter head 10. Through the provided four connecting grooves 2 8 and the oil outlet 9, the Lubrication is performed on the eight surfaces of the cutter head 10 to avoid the lubricant being not applied properly during the lubrication process, which may cause the cutter head 10 to break during use, and the service life of the cutter head 10 may be effectively improved. By setting four chip grooves 1 7 and chip grooves 2 11, during use, a larger chip removal amount can be achieved for waste chips, and the chip grooves 1 7 and chip grooves 2 11 correspond one to one to avoid clogging of a group of chip grooves 1 7 and chip grooves 2 11, which affects normal chip removal. The design of the set bevel angle 12 can reduce the surface area of ​​the cutting tool in contact with the workpiece, thereby reducing the cutting resistance, helping to improve cutting efficiency, reduce tool wear, and extend tool life. The setting of the bevel angle 12 helps to improve chip removal, reduce friction and heat generated during cutting, and improve cutting stability.

[0026] Example 2

[0027] See also Figure 1-6 The present embodiment further illustrates Example 1. In the figure, an oil inlet 4 is provided on the outside of the connecting block 3, and a connecting groove 5 is provided on the outside of the drill bit 6. The oil inlet 4 and the connecting groove 5 are connected to each other.

[0028] In the present embodiment: by providing an oil inlet 4 and a connecting groove 5, lubricating oil for lubrication can be introduced through the oil inlet 4, and then the oil inlet 4 allows the lubricating oil to enter the connecting groove 5, and can reach the outside of the cutter head 10 through the connecting groove 5 for lubrication.

[0029] See also Figure 1-6 In the figure, a chip groove 1 7 is provided on the outside of the drill bit 6, a connecting groove 2 8 is provided inside the drill bit 6, an oil outlet 9 is provided at the bottom of the drill bit 6, the chip groove 1 7 and the connecting groove 2 8 are connected to each other, and the connecting groove 2 8 is in an "L"-shaped structure.

[0030] In this embodiment: by providing the connecting groove 2 8 and the oil outlet 9, the lubricating oil entering the connecting groove 1 5 can enter the connecting groove 2 8 and then enter the oil outlet 9 to achieve lubrication of the cutter head 10.

[0031] See also Figure 1-6 In the figure, there are four identical connecting grooves 8 and oil outlets 9, and the four connecting grooves 8 and oil outlets 9 are distributed in a ring shape about the drill bit 6.

[0032] In the present embodiment: by setting up four connecting grooves 8 and an oil outlet 9, the eight surfaces of the cutter head 10 can be lubricated, avoiding the cutter head 10 from being easily broken during use due to the lubricating liquid not being applied properly during the lubrication process, thereby effectively improving the service life.

[0033] See also Figure 1-6 In the figure, a bevel 12 is arranged on the outside of the cutter head 10, and the bevel 12 is arranged with an arc, and the arc of the bevel 12 is about 15° to 20°.

[0034] In this embodiment: the design of the bevel angle 12 can reduce the surface area of ​​the cutting tool in contact with the workpiece, thereby reducing the cutting resistance, helping to improve cutting efficiency, reduce tool wear, and extend tool life. The setting of the bevel angle 12 helps to improve chip removal, reduce friction and heat generated during the cutting process, and improve cutting stability.

[0035] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include"-"comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process-method-article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process-method-article or device.

[0036] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cemented carbide forming tool having an enlarged chip removal groove, comprising a shank end (1), characterized in that: A connecting block (3) is fixedly mounted on the outside of the shank end (1), a drill bit (6) is fixedly mounted on the outside of the connecting block (3), a cutter head (10) is fixedly mounted on the outside of the drill bit (6), and a second chip groove (11) is provided on the outside of the cutter head (10), and the second chip groove (11) and the first chip groove (7) are arranged in four identical numbers, and the four first chip grooves (7) and the second chip grooves (11) are in one-to-one correspondence.

2. A cemented carbide forming cutter with an enlarged chip removal groove according to claim 1, characterized in that: A positioning groove (2) is provided on the outside of the handle end (1), and a plurality of the positioning grooves (2) are provided, and the plurality of positioning grooves (2) are distributed in a ring shape with respect to the center line of the handle end (1).

3. A cemented carbide forming cutter with an enlarged chip removal groove according to claim 1, characterized in that: An oil inlet (4) is provided on the outside of the connection block (3), a connecting groove (5) is provided on the outside of the drill bit (6), and the oil inlet (4) and the connecting groove (5) are connected to each other.

4. A cemented carbide forming cutter with an enlarged chip removal groove according to claim 1, characterized in that: The drill bit (6) is provided with a first chip removal groove (7) on the outside, a second connecting groove (8) on the inside of the drill bit (6), an oil outlet (9) is provided at the bottom of the drill bit (6), the first chip removal groove (7) and the second connecting groove (8) are connected to each other, and the second connecting groove (8) is in an "L"-shaped structure.

5. A cemented carbide forming cutter with an enlarged chip removal groove according to claim 4, characterized in that: The second communicating groove (8) and the oil outlet (9) are provided in four identical numbers, and the four second communicating grooves (8) and the oil outlet (9) are distributed in a ring shape with respect to the drill bit (6).

6. A cemented carbide forming cutter with an enlarged chip removal groove according to claim 1, characterized in that: The outer side of the cutter head (10) is provided with a bevel (12), and the bevel (12) is provided with an arc, and the arc of the bevel (12) is approximately 15° to 20°.

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