T-shaped milling cutter

Abstract

The utility model discloses a T-shaped milling cutter, and relates to the technical field of cutting tools. Comprising a cutter bar, a cutter body, a fixing piece and a limiting piece. The cutter is characterized in that at least one cutting edge and at least one chip containing groove are formed in the cutter body, a cutter body fixing hole is formed in the middle of the cutter body, and at least one cutter body limiting groove is formed in the side of the cutter body fixing hole; a hanging table is formed at one end of the cutter bar, a mounting column is inwards formed on the hanging table, a mounting column fixing hole is formed in the middle of the mounting column, and at least one mounting column limiting groove is formed in the side of the mounting column; the mounting column is sleeved with the cutter body fixing hole to connect the cutter body limiting groove with the mounting column limiting groove; the limiting piece is clamped with the cutter body limiting groove and the mounting column limiting groove to limit the cutter body on the mounting column; the fixing piece is arranged in the cutter body fixing hole and the installation column fixing hole in a penetrating mode, and the cutter body is fixed to the installation column. By means of the structural design that the limiting grooves are clamped with the clamping blocks, loosening is not prone to occurring in the cutting process, the cutter body, the cutting edge and the chip containing groove which are integrally formed by tungsten steel can be compatible for cutting, and therefore the service life is greatly prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of cutting tools, in particular to a T-shaped milling cutter. Background Art

[0002] Metal cutting is one of the main methods of forming metal parts. It has the characteristics of high efficiency and high forming precision. It can mill out the appearance and internal structure of the workpiece.

[0003] Existing T-type milling cutters are typically welded together by welding an alloy cutter body and an alloy shank. However, the alloy shank is not compatible with welding various hard cutting materials such as tungsten steel and PCD. The alloy cutter body has a short service life, which often requires frequent tool replacement, thus affecting cutting efficiency. Therefore, it is necessary to provide a T-type milling cutter that is compatible with various hard cutting materials and has a long service life without welding. Utility Model Content

[0004] The purpose of this application is to provide a T-type milling cutter to solve the problems raised in the above background technology.

[0005] To achieve the above objectives, this application provides the following technical solutions:

[0006] The invention comprises a tool rod, a tool body, a fixing part and a limiting part; the characteristics are that: the tool body is formed with at least one cutting edge and at least one chip groove, a tool body fixing hole is opened in the middle of the tool body, and at least one tool body limiting groove is opened on the side of the tool body fixing hole;

[0007] A hanging platform is formed at one end of the knife rod, and a mounting column is formed inwardly of the hanging platform. A mounting column fixing hole is opened in the middle of the mounting column, and at least one mounting column limiting groove is opened on the side of the mounting column;

[0008] The blade fixing hole is sleeved with the mounting post to connect the blade limiting groove with the mounting post limiting groove, and the limiting member is clamped with the blade limiting groove and the mounting post limiting groove to limit the blade on the mounting post;

[0009] The fixing piece is passed through the fixing hole of the blade body and the fixing hole of the mounting post to fix the blade body on the mounting post.

[0010] Preferably, the cutter body, the cutting edge and the chip groove are all integrally formed of tungsten steel or PCD.

[0011] Preferably, the blade body is provided with at least one water outlet through-hole; the blade rod is provided with at least one water inlet through-hole, and the water inlet through-hole is connected to the water outlet through-hole via the mounting column.

[0012] Preferably, the mounting post fixing hole is a threaded hole.

[0013] Preferably, the fixing member is a bolt.

[0014] Preferably, the bolt is screwed into the threaded hole to fix the cutter body on the mounting post.

[0015] Preferably, the limiting member is a blocking block.

[0016] Preferably, the blade body limiting groove and the mounting column limiting groove are convex / concave slot structures respectively.

[0017] Preferably, the fixing member is detachable.

[0018] Preferably, the blade body is composed of multiple groups.

[0019] In summary, the technical effects and advantages of the utility model are:

[0020] 1. The cutter body, blade and chip groove of this solution are made of tungsten steel in one piece. When using this product, after the cutter body is sleeved on the mounting column, the clamping block is clamped in the limit groove between the two, and then the cutter body is locked to the mounting column of the tool rod by bolts to complete the installation. The structural design of the limit groove clamping clamping block of this solution makes it difficult to loosen during cutting, and is compatible with the cutter body, blade and chip groove made of tungsten steel in one piece for cutting, thereby greatly extending the service life. Due to the long service life, there is no need to frequently replace the tool, which also improves the cutting efficiency.

[0021] 2. The cutter body, blade and chip groove of this solution are made of PCD one-piece molding. When using this product, you only need to put the cutter body on the mounting column, clamp the clamping block in the limit groove between the two, and then lock the cutter body to the mounting column of the tool rod with bolts to complete the installation. The structural design of the limit groove clamping clamping block of this solution makes it difficult to loosen during cutting, and is compatible with the cutter body, blade and chip groove made of PCD one-piece molding for cutting, thereby greatly extending the service life. Due to the long service life, there is no need to frequently replace the tool, which also improves the cutting efficiency.

[0022] 3. The cutter body, blade and chip groove of this solution are made of tungsten steel in one piece; when using this product, after the cutter body is sleeved on the mounting column, the clamping block is clamped in the limit groove between the two, and then the cutter body is locked on the mounting column of the cutter rod by bolts to complete the installation. Since the cutter rod and the mounting column are formed as one piece, the water inlet hole is also connected as one piece. The water inlet hole extends from the bottom of the cutter rod through the mounting column and is connected to the water outlet hole on the inner side of the cutter body fixing hole, thereby achieving the effect of internal cooling and heat dissipation; through the structural design of the limit groove clamping clamping block of this solution, it is not easy to loosen during cutting, and it can be compatible with the cutter body, blade and chip groove made of tungsten steel in one piece for cutting; secondly, through the internal cooling and heat dissipation design of this solution, the heat dissipation is good during cutting, and the cutter body is not easy to wear, thereby greatly extending the service life; due to the long service life, there is no need to frequently replace the tool, so the cutting efficiency is also improved.

[0023] 4. The cutter body, blade and chip groove of this solution are made of PCD integral molding; when using this product, after the cutter body is sleeved on the mounting column, the clamping block is clamped in the limit groove between the two, and then the cutter body is locked to the mounting column of the cutter rod by bolts to complete the installation. Since the cutter rod and the mounting column are integrally formed, the water inlet hole is also integrated and connected. The water inlet hole extends from the bottom of the cutter rod through the mounting column and is connected to the water outlet hole on the inner side of the cutter body fixing hole, thereby achieving the effect of internal cooling and heat dissipation; through the structural design of the limit groove clamping clamping block of this solution, it is not easy to loosen during cutting, and it is compatible with the cutter body, blade and chip groove made of PCD integral molding for cutting; secondly, through the internal cooling and heat dissipation design of this solution, the heat dissipation is good during cutting, and the cutter body is not easily worn, thereby greatly extending the service life; due to the long service life, there is no need to frequently replace the tool, so the cutting efficiency is also improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0025] Figure 1 This is a schematic diagram of the overall structure of the first embodiment of the present utility model.

[0026] Figure 2 This is a schematic diagram of the overall structure of the second embodiment of the present utility model.

[0027] Figure 3 This is an enlarged top view of the blade structure of the utility model.

[0028] Figure 4 This is an enlarged top view of the mounting column structure of the utility model.

[0029] Figure 5 This is an enlarged side view of the limit block structure of the utility model.

[0030] Figure 6 This is an enlarged top view of the sleeve connection structure between the cutter body and the mounting column of the utility model.

[0031] Numbers in the figure: 1 tool rod; 11 hanging platform; 12 mounting column; 13 mounting column fixing hole; 14 water inlet hole; 2 tool body; 21 blade; 22 chip groove; 23 tool body fixing hole; 24 water outlet hole; 3 fixing part; 4 limit part; A tool body limiting groove; B mounting column limiting groove. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0033] Example 1: Figure 1 and Figure 3-Figure 6 As shown, it includes a tool rod 1, a tool body 2, a fixing member 3, and a limiting member 4; the tool body 2 is formed with at least one blade 21 and at least one chip groove 22, a tool body fixing hole 23 is opened in the middle of the tool body 2, and at least one tool body limiting groove A is opened on the side of the tool body fixing hole 23; a hanging platform 11 is formed at one end of the tool rod 1, and a mounting column 12 is formed inwardly of the hanging platform 11, a mounting column fixing hole 13 is opened in the middle of the mounting column 12, and at least one mounting column limiting groove B is opened on the side of the mounting column 12; the tool body fixing hole 23 is sleeved on the mounting column 12 to connect the tool body limiting groove A with the mounting column limiting groove B, and the limiting member 4 is clamped in the tool body limiting groove A and the mounting column limiting groove B to limit the tool body 2 on the mounting column 12; the fixing member 3 is passed through the tool body fixing hole 23 and the mounting column fixing hole 13 to fix the tool body 2 on the mounting column The tool 2, the blade 21 and the chip groove 22 are all integrally formed of tungsten steel or PCD; the tool 2, the blade 21 and the chip groove 22 of this solution are integrally formed of tungsten steel, the limiting part 4 is a clamping block, and the fixing part 3 is a bolt; when using this product, after the tool 2 is sleeved on the mounting column 12, the clamping block is clamped in the limiting groove between the two, and then the tool 2 is locked to the mounting column 12 of the tool rod 1 by means of bolts to complete the installation; the structural design of the limiting groove clamping the clamping block of this solution makes it difficult to loosen during cutting, and can be compatible with the tool 2, the blade 21 and the chip groove 22 integrally formed of tungsten steel for cutting, thereby greatly extending the service life; due to the long service life, there is no need to frequently replace the tool, so the cutting efficiency is also improved.

[0034] Furthermore, the cutter body 2, blade 21 and chip groove 22 of the present solution are formed of an integral PCD mold, the limiting part 4 is a clamping block, and the fixing part 3 is a bolt; when using this product, it is only necessary to put the cutter body 2 on the mounting column, clamp the clamping block in the limiting groove between the two, and then lock the cutter body 2 on the mounting column 12 of the tool rod 1 by bolts to complete the installation; the structural design of the limiting groove clamping the clamping block of the present solution is not easy to loosen during cutting, and is compatible with the cutter body 2, blade 21 and chip groove 22 formed of an integral PCD mold for cutting, thereby greatly extending the service life; due to the long service life, there is no need to frequently replace the tool, so the cutting efficiency is also improved.

[0035] Example 2: Figure 2-Figure 6 As shown, it includes a tool rod 1, a tool body 2, a fixing member 3, and a limiting member 4; the tool body 2 is formed with at least one blade 21 and at least one chip groove 22, a tool body fixing hole 23 is opened in the middle of the tool body 2, and at least one tool body limiting groove A is opened on the side of the tool body fixing hole 23; a hanging platform 11 is formed at one end of the tool rod 1, and a mounting column 12 is formed inwardly of the hanging platform 11, a mounting column fixing hole 13 is opened in the middle of the mounting column 12, and at least one mounting column limiting groove B is opened on the side of the mounting column 12; the tool body fixing hole 23 is sleeved with the mounting column 12 to limit the tool body The slot A is connected to the limiting slot B of the mounting post, and the limiting member 4 is clamped in the limiting slot A of the cutter body and the limiting slot B of the mounting post to limit the cutter body 2 on the mounting post 12; the fixing member 3 is passed through the fixing hole 23 of the cutter body and the fixing hole 13 of the mounting post to fix the cutter body 2 on the mounting post 12; the cutter body 2, the blade 21, and the chip groove 22 are all integrally formed of tungsten steel or PCD; the cutter body 2, the blade 21, and the chip groove 22 of this solution are integrally formed of tungsten steel, the limiting member 4 is a block, and the fixing member 3 is a bolt; the cutter body 2 is provided with at least one The water outlet hole 24; the knife bar 1 is provided with at least one water inlet hole 14, and the water inlet hole 25 is connected to the water outlet hole 14 through the mounting column 12; when using this product, after the knife body 2 is sleeved on the mounting column 12, the card block is clamped in the limit groove between the two, and then the knife body 2 is locked on the mounting column 12 of the knife bar 1 by bolts, and the installation is completed. Since the knife bar 1 and the mounting column 12 are integrally formed, the water inlet hole 14 is also integrally connected. The water inlet hole 14 extends from the bottom of the knife bar through the mounting column 12. It is connected to the water outlet hole 24 on the inner side of the cutter body fixing hole 23, thereby achieving the effect of internal cooling and heat dissipation; through the structural design of the limit groove and the card block of this scheme, it is not easy to loosen during cutting, and can be compatible with the cutter body 2, blade 21, and chip groove 22 composed of tungsten steel integral molding for cutting; secondly, through the design of internal cooling and heat dissipation of this scheme, the heat dissipation is good during cutting, and the cutter body is not easy to wear, thereby greatly extending the service life; due to the long service life, there is no need to frequently replace the tool, so the cutting efficiency is also improved.

[0036] Furthermore, the cutter body 2, the blade 21, and the chip groove 22 of the present invention are formed as a PCD integral body, the limiting member 4 is a card block, and the fixing member 3 is a bolt; the cutter body 2 is provided with at least one water outlet hole 24; the cutter bar 1 is provided with at least one water inlet hole 14, and the water inlet hole 25 is connected to the water outlet hole 14 through the mounting column 12; when using this product, after the cutter body 2 is sleeved on the mounting column 12, the card block is clamped in the limiting groove between the two, and then the cutter body 2 is locked on the mounting column 12 of the cutter bar 1 by the bolt, and the installation is completed. Since the cutter bar 1 and the mounting column 12 are formed as a whole, the water inlet hole 1 4 is also integrated and connected, and the water inlet hole 14 extends from the bottom of the tool rod through the mounting column 12 and then connects with the water outlet hole 24 on the inner side of the tool body fixing hole 23, thereby achieving the effect of internal cooling and heat dissipation; through the structural design of the limit groove and the card block of this solution, it is not easy to loosen during cutting, and is compatible with the tool body 2, the blade 21, and the chip groove 22 composed of the PCD integral molding for cutting; secondly, through the design of internal cooling and heat dissipation of this solution, the heat dissipation is good during cutting, and the tool body is not easy to wear, thereby greatly extending the service life; due to the long service life, there is no need to frequently replace the tool, so the cutting efficiency is also improved.

[0037] The blade body limiting groove A and the mounting column limiting groove B are convex / concave slot structures respectively; the convex / concave slots are combined into a rectangular slot structure, thereby matching the structure of the rectangular limiting member of this solution.

[0038] Furthermore, the tool body limiting groove A and the mounting column limiting groove B can also form a triangular structure slot, a polygonal structure slot, a circular structure slot, an irregular structure slot, etc. for clamping the corresponding shape of the card block for cutting limitation, so as to achieve the effect of not easy to loosen during cutting.

[0039] The fixing member 3 is detachable and is a long object such as a bolt, a screw, a latch, etc., which is convenient for disassembly and assembly.

[0040] The cutter body 2 is composed of multiple groups, and the cutter body 2 can be composed of multiple groups of one-edge to sixteen-edge blades, so as to meet the cutting requirements of different products.

[0041] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A T-type milling cutter, comprising a cutter bar, a cutter body, a fixing part, and a limiting part; Features: The cutter body is formed with at least one cutting edge and at least one chip groove, a cutter body fixing hole is formed in the middle of the cutter body, and at least one cutter body limiting groove is formed on the side of the cutter body fixing hole; A hanging platform is formed at one end of the knife rod, and a mounting column is formed inwardly of the hanging platform. A mounting column fixing hole is opened in the middle of the mounting column, and at least one mounting column limiting groove is opened on the side of the mounting column; The knife body fixing hole is sleeved with the mounting post to connect the knife body limiting groove with the mounting post limiting groove, and the limiting member is clamped with the knife body limiting groove and the mounting post limiting groove to limit the knife body on the mounting post; The fixing member is inserted into the fixing hole of the blade body and the fixing hole of the mounting post to fix the blade body on the mounting post.

2. A T-type milling cutter according to claim 1, Features: The tool body, the tool edge and the chip groove are all integrally formed of tungsten steel or PCD.

3. A T-type milling cutter according to claim 2, Features: The knife body is provided with at least one water outlet through hole; the knife rod is provided with at least one water inlet through hole, and the water inlet through hole is connected to the water outlet through hole through the mounting column.

4. A T-type milling cutter according to claim 1, Features: The fixing hole of the mounting post is a threaded hole.

5. A T-type milling cutter according to claim 4, Features: The fixing member is a bolt.

6. A T-type milling cutter according to claim 5, Features: The bolt is screwed into the threaded hole to fix the cutter body on the mounting column.

7. A T-type milling cutter according to claim 1, Features: The limiting member is a clamping block.

8. A T-type milling cutter according to claim 1, Features: The knife body limiting groove and the mounting column limiting groove are respectively convex / concave slot structures.

9. A T-type milling cutter according to claim 1, Features: The fixing piece is detachable.

10. A T-type milling cutter according to claim 2, Features: The knife body is composed of multiple groups.

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