Integrated combined cutter

Abstract

The utility model belongs to the technical field of machining tools, and particularly relates to an integrated combined tool which comprises a tool bar, a connecting column, a drilling tool bar, a reaming blade and a reaming blade, drilling grooves are symmetrically and spirally dug in the outer wall of the drilling tool bar, chip breaker grooves are dug in the tops of the drilling grooves, and fillets of 95-110 degrees are formed between the chip breaker grooves and the drilling grooves; a reamer blade is fixedly connected to the surface of the drilling groove, a second oil outlet hole is dug in the outer wall of the reamer blade, reaming blades are symmetrically and fixedly connected to the upper side and the lower side of the tail end of the drilling tool rod, second reaming blades are fixedly connected to the inner sides of the reaming blades in a penetrating mode through stabilizing rods, and the bottoms of the second reaming blades are fixedly connected with the bottom of the drilling tool rod. In the hole machining process, the tool does not need to be replaced frequently, several machining processes can be completed only through one tool, the practicability and machining efficiency of the tool are improved, and machining errors caused by replacement of different tools can be avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of mechanical processing tools, and in particular relates to an integrated combined tool. Background Art

[0002] In the traditional milling cutting field, when drilling and cutting a workpiece, it generally goes through the steps of drilling, reaming, and expanding. Drilling is the first process for processing holes in solid materials, which includes the rotation of the drill bit. However, the holes drilled by the drill bit usually have more burrs and greater surface roughness, so it is necessary to replace the reamer for reaming to achieve high precision and low roughness of the hole. Expanding is to use a reaming drill to further process the holes that have been drilled, cast or forged to improve the processing quality of the hole.

[0003] In the milling cutter cutting technology of the prior art, most of them adopt the processing technology of drilling first, expanding and reaming. The processing of the hole requires at least two kinds of tools, and the processing can be completed in two times. The processing is complicated and involves the replacement of tools. It also has a certain impact on the accuracy of the hole processing, greatly reducing the production efficiency, seriously affecting the processing rhythm, and cannot guarantee the processing quality. Utility Model Content

[0004] The purpose of the utility model is to provide an integrated combined tool, which can complete several processing techniques with only one tool without the need for frequent tool replacement during hole processing, thereby improving the practicality and processing efficiency of the tool and avoiding processing errors caused by replacing different tools.

[0005] The technical solution adopted by the utility model is as follows:

[0006] An integrated combined tool comprises a tool bar, a connecting column, a drill bar, a reamer blade and a reamer blade, wherein the outer wall of the drill bar is symmetrically spirally dug with a drill groove, the top of the drill groove is dug with a chip breaker groove, and a fillet of 95°-110° is provided between the chip breaker groove and the drill groove;

[0007] A reamer blade is fixedly connected to the surface of the drill groove, and two oil outlet holes are dug into the outer wall of the reamer blade. An expanding blade is symmetrically fixedly connected to the upper and lower sides of the end of the drill rod, and a second expanding blade is fixedly connected to the inner side of the expanding blade via a stabilizing rod, and the bottom of the second expanding blade is fixedly connected to the bottom of the drill rod.

[0008] The top of the knife rod is fixedly connected with a connecting column.

[0009] The outer wall of the cutter bar is provided with a plurality of second hinge rings in a winding manner, and one end of the cutter bar including the end of the second hinge ring is in an integrally connected relationship with the drill bar.

[0010] The length of the reamer blade is smaller than the length of the drill groove, and the edge of the reamer blade is chamfered.

[0011] Oil outlet holes are provided on the left and right sides of the tail of the drill groove.

[0012] The expansion blade is configured as a cone with a notch in the middle, and the top diameter is smaller than the bottom diameter.

[0013] The technical effects achieved by the utility model are:

[0014] The utility model can complete several processing techniques with only one tool without frequent tool replacement during the hole processing process, thereby improving the practicality and processing efficiency of the tool and avoiding processing errors caused by replacing different tools. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is an overall appearance diagram of a tool provided by an embodiment of the utility model;

[0016] Figure 2 It is a side view of a tool provided by an embodiment of the utility model;

[0017] Figure 3 It is a partial enlarged view of a tool provided in an embodiment of the utility model.

[0018] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0019] 1. Tool bar; 101. Second hinge ring; 2. Connecting column; 3. Drill bar; 301. Chip breaker groove; 302. Drill groove; 303. Oil outlet hole; 4. Reamer blade; 401. Second oil outlet hole; 5. Expanding blade; 501. Second expanding blade; 502. Stabilizing rod; α, fillet 95°-110°. DETAILED DESCRIPTION

[0020] In order to make the purpose and advantages of the utility model more clear, the utility model is specifically described in conjunction with the embodiments below. It should be understood by those skilled in the art that in the disclosure of the utility model, the orientation or position relationship indicated by the terms "tail", "head", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. is based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, so the above terms cannot be understood as limiting the utility model.

[0021] like Figure 1-3As shown, an integrated combined tool comprises a tool rod 1, a connecting column 2, a drill rod 3, a reamer blade 4 and an expanding blade 5, the outer wall of the drill rod 3 is symmetrically spirally excavated with a drill groove 302, the top of the drill groove 302 is excavated with a chip breaker groove 301, and a fillet of 95°-110°α is opened between the chip breaker groove 301 and the drill groove 302; oil outlet holes 303 are opened on the left and right sides of the tail of the drill groove 302, the surface of the drill groove 302 is fixedly connected with a reamer blade 4, the outer wall of the reamer blade 4 is excavated with an oil outlet hole 2 401, the length of the reamer blade 4 is less than the length of the drill groove 302, and the edge of the reamer blade 4 is chamfered; the expanding blade 5 is symmetrically fixedly connected to the upper and lower sides of the end of the drill rod 3, the inner side of the expanding blade 5 is fixedly connected with a second expanding blade 501 through a stabilizing rod 502, and the bottom of the second expanding blade 501 is fixedly connected to the bottom of the drill rod 3, and the expanding blade 5 is set to a cone with a broken middle part, and its top diameter is smaller than the bottom diameter. The top of the tool rod 1 is fixedly connected with a connecting column 2, and the outer wall of the tool rod 1 is wound with a plurality of second hinge rings 101, and one end of the tool rod 1 including the end of the second hinge ring 101 is integrally connected with the drill rod 3.

[0022] According to the above structure, the drill rod 3 and the drill groove 302 dug on its outer wall drill the workpiece when the rod 1 rotates, the oil outlet hole 303 dug at the end of the drill rod 3 can secrete grease during drilling, and the chip breaker groove 301 plays a role in breaking the wire chips generated by drilling. Furthermore, the reamer blade 4 fixedly connected to the outer wall of the drill groove 302 can also ream the hole groove while the drill rod 3 is drilling, and the rounded corners on the edge of the reamer blade 4 can avoid scratches on the hole wall caused by the sharp edge. Similarly, the second reamer ring 101 also has a certain auxiliary effect on the reaming of the hole groove. The 401 dug on the outer wall of the reamer blade 4 Grease is secreted during reaming and grinding to play a lubricating role. Furthermore, the expanding blade 5 is set to be conical so that the hole wall can be expanded to improve the processing quality of the hole groove and the smoothness of the hole wall. The fracture presented by the second expanding blade 501 and the expanding blade 5 can also cooperate with the drill rod 3 to improve the drilling efficiency. The stabilizing rod 502 can enhance the stability of the second expanding blade 501. The utility model can complete several processing techniques with only one tool without frequent tool replacement during the hole processing, thereby improving the practicality and processing efficiency of the tool and avoiding processing errors caused by replacing different tools.

[0023] The working principle of the utility model is as follows: the drill rod 3 and the drill groove 302 dug on its outer wall drill a hole in the workpiece when the rod 1 rotates, the oil outlet hole 303 dug at the end of the drill rod 3 can secrete grease during drilling, and the chip breaker groove 301 plays a role in breaking the wire chips generated by drilling. Furthermore, the reamer blade 4 fixedly connected to the outer wall of the drill groove 302 can also ream the hole groove while the drill rod 3 is drilling a hole, and the rounded corners on the edge of the reamer blade 4 can avoid scratches on the hole wall caused by the sharp edges. Similarly, the second reamer ring 101 also has a certain auxiliary effect on the reaming of the hole groove. The 401 dug on the outer wall of the reamer blade 4 secretes grease during reaming to play a lubricating role. Furthermore, the expanding blade 5 is set to a cone shape, so that the hole wall can be expanded, the processing quality of the hole groove and the smoothness of the hole wall can be improved, the fracture presented by the second expanding blade 501 and the expanding blade 5 can also cooperate with the drill rod 3 to improve the efficiency of drilling, and the stabilizing rod 502 can enhance the stability of the second expanding blade 501.

[0024] The above is only a preferred embodiment of the present invention. It should be noted that, for ordinary technicians in the technical field, several improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications should also be regarded as the protection scope of the present invention. The structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to the conventional means in the field unless otherwise specified and limited.

Claims

1. An integrated combined tool, comprising a tool bar (1), a connecting column (2), a drill bar (3), a reamer blade (4) and a reamer blade (5), characterized in that: The outer wall of the drill shank (3) is symmetrically spirally excavated with a drill groove (302), the top of the drill groove (302) is excavated with a chip breaker groove (301), and a fillet angle of 95°-110° (α) is provided between the chip breaker groove (301) and the drill groove (302); A reamer blade (4) is fixedly connected to the surface of the drill groove (302), and a second oil outlet hole (401) is excavated on the outer wall of the reamer blade (4). Expanding blades (5) are symmetrically fixedly connected to the upper and lower sides of the end of the drill rod (3), and a second expanding blade (501) is fixedly connected to the inner side of the expanding blade (5) through a stabilizing rod (502), and the bottom of the second expanding blade (501) is fixedly connected to the bottom of the drill rod (3).

2. The integrated combined tool according to claim 1, characterized in that: A connecting column (2) is fixedly connected to the top of the knife rod (1).

3. The integrated combined tool according to claim 1, characterized in that: The outer wall of the cutter bar (1) is provided with a plurality of second hinge rings (101) in a winding manner, and one end of the cutter bar (1) including the end of the second hinge ring (101) is integrally connected to the drill bar (3).

4. The integrated combined tool according to claim 1, characterized in that: The length of the reamer blade (4) is smaller than the length of the drill groove (302), and the edge of the reamer blade (4) is chamfered.

5. The integrated combined tool according to claim 1, characterized in that: Oil outlet holes (303) are provided on the left and right sides of the tail of the drill groove (302).

6. The integrated combined tool according to claim 1, characterized in that: The expansion blade (5) is configured as a cone with a notch in the middle, and the top diameter is smaller than the bottom diameter.

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