Spiral two-edge forming drilling and milling cutter for cutting aluminum

Abstract

The utility model discloses a spiral two-blade forming drilling and milling cutter for cutting aluminum, which comprises a drilling and milling cutter main body, a connecting drill bit and a power connecting block, the outer side of the drilling and milling cutter main body is provided with a spiral blade, the top of the drilling and milling cutter main body is provided with a drill bit connecting groove, and the connecting drill bit is inserted into the drill bit connecting groove. The bottom of the drilling and milling cutter body is connected with an inserting connection block, positioning inserting grooves are formed in the two sides of the inserting connection block, a first fixing connection hole is formed in one side of the inserting connection block, the power connection block is connected to the bottom of the drilling and milling cutter body, and the power connection block comprises a drilling and milling cutter connector and a motor connector. The drilling and milling cutter connector is arranged at the top of the motor connector, a connecting insertion hole is formed in the top of the drilling and milling cutter connector, the insertion connecting block is inserted into the connecting insertion hole, aluminum blocks can be drilled and cut, a drill bit and a milling cutter are convenient to connect and replace, and the loss cost is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of drilling and milling cutters, in particular to a spiral two-edged forming drilling and milling cutter for cutting aluminum. Background Art

[0002] A milling cutter is a rotating tool with one or more teeth used for milling. When working, each tooth cuts off the excess of the workpiece intermittently in sequence. Milling cutters are mainly used to process planes, steps, grooves, forming surfaces and cut off workpieces on milling machines.

[0003] The patent with application number CN201921822515.4 was retrieved and proposed a spiral milling cutter, which not only enhances the chip removal performance of the milling cutter, but also enhances the rigidity of the milling cutter during cutting and the service life of the milling cutter, so that it can efficiently process hard workpieces.

[0004] Similar to the above-mentioned spiral milling cutter, although it can not only enhance the chip removal performance of the milling cutter, but also enhance the rigidity of the milling cutter during cutting and the service life of the milling cutter, so that it can efficiently process hard workpieces, but it can only perform flat cutting work and does not have the function of drilling. Therefore, during the processing of aluminum block forming, the milling cutter needs to be replaced frequently.

[0005] Therefore, in view of this, the existing structure and defects are studied and improved, and a spiral two-edged forming drill and milling cutter for cutting aluminum is proposed, in order to achieve a more practical purpose. Utility Model Content

[0006] The purpose of the utility model is to provide a spiral two-edged profiled drill and milling cutter for cutting aluminum, so as to solve the problem that the spiral two-edged profiled drill and milling cutter for cutting aluminum mentioned in the above background can only perform flat cutting work and does not have the function of drilling holes, so that the milling cutter needs to be frequently replaced during the processing of aluminum block forming.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a spiral two-edged drill and milling cutter for cutting aluminum, comprising a drill and milling cutter body, a connecting drill bit and a power connecting block, the outer side of the drill and milling cutter body is provided with a spiral blade, and the top of the drill and milling cutter body is provided with a drill bit connecting groove, the connecting drill bit is plugged into the drill bit connecting groove, the bottom of the drill and milling cutter body is connected with a plug-in connecting block, positioning slots are provided on both sides of the plug-in connecting block, and a No. 1 fixed connecting hole is provided on one side of the plug-in connecting block, and the power connecting block is connected to the bottom of the drill and milling cutter body, the power connecting block comprises a drill and milling cutter connector and a motor connector, the drill and milling cutter connector is provided on the top of the motor connector, and a connecting plug hole is provided on the top of the drill and milling cutter connector, and the plug-in connecting block is plugged into the connecting plug hole.

[0008] Preferably, a positioning connection block is provided inside the connecting plug hole, and the positioning connection block and the positioning slot are interlocked with each other, a No. 2 fixed connection hole is provided on one side of the drilling and milling cutter connecting head, and a No. 1 fixing bolt is inserted into the No. 1 fixing connection hole and the No. 2 fixing connection hole.

[0009] Preferably, the connecting drill bit comprises two groups of drill blocks and a connecting plug-in block, the two groups of drill blocks are symmetrical to each other, and the connecting plug-in block is connected to the bottom of the two groups of drill blocks, and the connecting plug-in block is interlocked with the drill bit connecting groove.

[0010] Preferably, a No. 1 thread groove is provided at the center position of the drill bit connecting groove, a bolt connecting groove is provided between the two groups of drill bit blocks, and a No. 2 thread groove is provided at the center position of the bolt connecting groove, and a No. 2 fixing bolt is inserted into the No. 1 thread groove and the No. 2 thread groove.

[0011] Preferably, a blade connecting groove is provided on one side of the drill block, and a threaded hole is provided at the center of the blade connecting groove, and a milling blade is connected in the blade connecting groove.

[0012] Preferably, a center groove is provided at the center position of the milling blade, and a No. 3 fixing bolt is connected between the blade connecting groove and the milling blade, and the No. 3 fixing bolt is connected in the center groove and the threaded hole.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the aluminum block can be drilled and cut by only one set of milling cutters, and the drill and milling cutters are easy to connect and replace, thus saving the loss cost. The specific contents are as follows:

[0014] The motor drives the drill and milling cutter body and the connected drill bit connected to the top thereof to rotate through the force connection block, so that the drill and milling cutter body and the connected drill bit can drill and mill the aluminum block. The spiral blade on the drill and milling cutter body is used to flatten the aluminum block, and the aluminum block is rotated and slotted through the milling blades on the two sets of drill bit blocks. The drill and milling cutter body is connected to the milling cutter connector of the power connection block through the plug-in connection block at its bottom, and the plug-in connection block is plugged into the milling cutter connector, and the plug-in connection block is completely plugged into the milling cutter connector, and connected through No. 1 fixing bolts. The connecting drill bit is connected to the No. 1 fixed connecting hole and the No. 2 fixed connecting hole, thereby fixing the connection between the drilling and milling cutter body and the power connecting block, the connecting drill bit is connected to the drill bit connecting groove on the drilling and milling cutter body, the connecting drill bit is plugged into the drill bit connecting groove through the connecting plug block at the bottom thereof, and is plugged into the No. 1 thread groove and the No. 2 thread groove through the No. 2 fixing bolt, thereby completing the connection between the connecting drill bit and the drilling and milling cutter body, and the milling blade can be disassembled and replaced in the blade connecting groove, the milling blade is connected to the blade connecting groove, and is connected to the center groove and the threaded hole through the No. 3 fixing bolt. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic structural diagram of the main body of a spiral two-edge forming drill and milling cutter for cutting aluminum according to the utility model;

[0016] Figure 2 This is a schematic structural diagram of a drill and milling cutter body of a spiral two-edge forming drill and milling cutter for cutting aluminum according to the utility model;

[0017] Figure 3 It is a schematic structural diagram of the side section of a power connection block of a spiral two-edge forming drill and milling cutter for cutting aluminum according to the utility model;

[0018] Figure 4 It is a structural schematic diagram of a connecting structure of a connecting drill bit of a spiral two-edge forming drill and milling cutter for cutting aluminum according to the utility model;

[0019] Figure 5 This is a schematic structural diagram of the side surface of a connecting drill bit of a spiral two-edge forming drill and milling cutter for cutting aluminum according to the utility model;

[0020] Figure 6 It is a top view of the structure of a connecting drill bit of a spiral two-edge forming drill and milling cutter for cutting aluminum according to the utility model;

[0021] Figure 7 The utility model is a schematic structural diagram of the side surface of a milling blade of a spiral two-edge forming drill milling cutter for cutting aluminum.

[0022] In the figure: 1. Drilling and milling cutter body; 11. Spiral blade; 12. Plug-in connection block; 121. Positioning slot; 122. No. 1 fixed connection hole; 13. Drill bit connection groove; 131. No. 1 threaded groove; 2. Connecting drill bit; 21. Drill bit block; 211. Blade connection groove; 212. Threaded hole; 22. Bolt connection groove; 221. No. 2 fixing bolt; 23. Milling blade; 231. Center groove; 232. No. 3 fixing bolt; 24. Connecting plug-in block; 25. No. 2 threaded groove; 3. Power connection block; 31. Drilling and milling cutter connector; 311. Connecting plug-in hole; 312. No. 2 fixed connection hole; 313. No. 1 fixing bolt; 314. Positioning connection block; 32. Motor connector. DETAILED DESCRIPTION

[0023] 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 in 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.

[0024] See also Figures 1 to 7 The utility model provides a technical solution: a spiral two-edged drilling and milling cutter for cutting aluminum, comprising a drilling and milling cutter body 1, a connecting drill bit 2 and a power connecting block 3, a spiral blade 11 is arranged on the outer side of the drilling and milling cutter body 1, and a drill bit connecting groove 13 is arranged on the top of the drilling and milling cutter body 1, the connecting drill bit 2 is plugged into the drill bit connecting groove 13, a plug-in connecting block 12 is connected to the bottom of the drilling and milling cutter body 1, positioning slots 121 are arranged on both sides of the plug-in connecting block 12, and a No. 1 fixed connecting hole 122 is arranged on one side of the plug-in connecting block 12, and the power connecting block 3 is connected to the bottom of the drilling and milling cutter body 1, the power connecting block 3 comprises a drilling and milling cutter connecting head 31 and a motor connecting head 32, the drilling and milling cutter connecting head 31 is arranged on the top of the motor connecting head 32, and a connecting plug hole 311 is arranged on the top of the drilling and milling cutter connecting head 31, and the plug-in connecting block 12 is plugged into the connecting plug hole 311.

[0025] The drill and milling cutter body 1 is connected to the milling cutter connector 31 of the power connecting block 3 through the plug-in connecting block 12 at the bottom thereof, and the connecting drill bit 2 is connected to the drill bit connecting groove 13 on the drill and milling cutter body 1, and is connected to the motor through the motor connecting head 32 on the power connecting block 3, and the motor drives the drill and milling cutter body 1 and the connecting drill bit 2 connected to the top thereof to rotate through the power connecting block 3, so that the drill and milling cutter body 1 and the connecting drill bit 2 perform drilling and milling work on the aluminum block, and the spiral blade 11 on the drill and milling cutter body 1 is used for flattening the aluminum block.

[0026] A positioning connection block 314 is provided inside the connecting plug hole 311, and the positioning connection block 314 and the positioning slot 121 are interlocked with each other, a No. 2 fixed connection hole 312 is provided on one side of the drilling and milling cutter connecting head 31, and a No. 1 fixing bolt 313 is inserted into the No. 1 fixing connection hole 122 and the No. 2 fixing connection hole 312. When the plug-in connection block 12 is connected to the milling cutter connecting head 31, the positioning slot 121 is aligned with the positioning slot 121, and when the plug-in connection block 12 is fully inserted into the milling cutter connecting head 31, the No. 1 fixing connection hole 122 is aligned with the No. 2 fixing connection hole 312, and is connected to the No. 1 fixing connection hole 122 and the No. 2 fixing connection hole 312 through the No. 1 fixing bolt 313, thereby fixing the connection between the drilling and milling cutter body 1 and the power connection block 3.

[0027] The connecting drill bit 2 includes two sets of drill block 21 and a connecting plug block 24. The two sets of drill block 21 are symmetrical to each other, and the connecting plug block 24 is connected to the bottom of the two sets of drill block 21. The connecting plug block 24 and the drill bit connecting groove 13 are interlocked with each other. The center position of the drill bit connecting groove 13 is provided with a No. 1 thread groove 131. A bolt connection groove 22 is provided between the two sets of drill block 21, and a No. 2 thread groove 25 is provided at the center position of the bolt connection groove 22. The No. 1 thread groove 131 and the No. 2 thread groove A No. 2 fixing bolt 221 is inserted into 25, and the connecting drill bit 2 is inserted into the drill bit connecting groove 13 through the connecting plug-in block 24 at the bottom thereof, and is inserted into the No. 1 thread groove 131 and the No. 2 thread groove 25 through the No. 2 fixing bolt 221, thereby completing the connection between the connecting drill bit 2 and the drilling and milling cutter body 1, and the bolt connection groove 22 can prevent the No. 2 fixing bolt 221 from exceeding the drill block 21, thereby preventing the two sets of drill blocks 21 on the connecting drill bit 2 from affecting the hole surface of the drill hole when rotating to slot.

[0028] A blade connecting groove 211 is provided on one side of the drill block 21, and a threaded hole 212 is provided at the center position of the blade connecting groove 211. A milling blade 23 is connected in the blade connecting groove 211, and a center groove 231 is provided at the center position of the milling blade 23. A No. 3 fixing bolt 232 is connected between the blade connecting groove 211 and the milling blade 23. The No. 3 fixing bolt 232 is connected in the center groove 231 and the threaded hole 212. The milling blade 23 can be disassembled and replaced in the blade connecting groove 211. The milling blade 23 is connected to the blade connecting groove 211 and is connected to the center groove 231 and the threaded hole 212 through the No. 3 fixing bolt 232. The center groove 231 can prevent the No. 3 fixing bolt 232 from protruding from the milling blade 23, thereby avoiding defects in the cut surface. The aluminum block is processed by the milling blade 223 on the drill block 21.

[0029] Working principle: When using a spiral two-edged drill and milling cutter for cutting aluminum, first, the drill and milling cutter body 1 is connected to the milling cutter connecting head 31 of the power connecting block 3 through the plug-in connecting block 12 at the bottom thereof, the plug-in connecting block 12 is plugged into the milling cutter connecting head 31, and the positioning slot 121 is aligned with the positioning slot 121, and when the plug-in connecting block 12 is fully plugged into the milling cutter connecting head 31, the No. 1 fixed connecting hole 122 is aligned with the No. 2 fixed connecting hole 312, and is connected to the No. 1 fixed connecting hole 122 and the No. 2 fixed connecting hole 312 through the No. 1 fixing bolt 313, thereby fixing the connection between the drill and milling cutter body 1 and the power connecting block 3.

[0030] Then connect the connecting drill bit 2 to the drill bit connecting groove 13 on the drilling and milling cutter body 1, and the connecting drill bit 2 is plugged into the drill bit connecting groove 13 through the connecting plug block 24 at the bottom thereof, and is plugged into the No. 1 thread groove 131 and the No. 2 thread groove 25 through the No. 2 fixing bolt 221, thereby completing the connection between the connecting drill bit 2 and the drilling and milling cutter body 1, and the milling blade 23 can be disassembled and replaced in the blade connecting groove 211, the milling blade 23 is connected to the blade connecting groove 211, and is connected to the center groove 231 and the threaded hole 212 through the No. 3 fixing bolt 232.

[0031] The motor connector 32 on the power connecting block 3 is connected to the motor, and the motor drives the drill and milling cutter body 1 and the connecting drill bit 2 connected to the top thereof to rotate through the force connecting block 3, so that the drill and milling cutter body 1 and the connecting drill bit 2 can drill and mill the aluminum block. The spiral blade 11 on the drill and milling cutter body 1 is used to flatten the aluminum block, and the aluminum block is rotated and grooved through the milling blades 23 on the two sets of drill bit blocks 21, and the center groove 231 can prevent the No. 3 fixing bolt 232 from protruding from the milling blade 23, thereby avoiding defects in the cut surface, and the center groove 231 can prevent the No. 3 fixing bolt 232 from protruding from the milling blade 23, thereby avoiding defects in the cut surface.

Claims

1. A spiral two-edged drill and milling cutter for cutting aluminum, comprising a drill and milling cutter body (1), a connecting drill bit (2) and a power connecting block (3), characterized in that: The outer side of the drill and milling cutter body (1) is provided with a spiral blade (11), and the top of the drill and milling cutter body (1) is provided with a drill bit connection groove (13), and the connecting drill bit (2) is plugged into the drill bit connection groove (13). The bottom of the drill and milling cutter body (1) is connected with a plug-in connection block (12), and positioning slots (121) are provided on both sides of the plug-in connection block (12), and a first fixed connection hole (122) is provided on one side of the plug-in connection block (12), and the power connection block (3) is connected to the bottom of the drill and milling cutter body (1), and the power connection block (3) comprises a drill and milling cutter connector (31) and a motor connector (32), and the drill and milling cutter connector (31) is provided on the top of the motor connector (32), and a connection plug hole (311) is provided on the top of the drill and milling cutter connector (31), and the plug-in connection block (12) is plugged into the connection plug hole (311).

2. A spiral two-edge profiled drill and milling cutter for cutting aluminum according to claim 1, characterized in that: A positioning connection block (314) is provided inside the connection plug hole (311), and the positioning connection block (314) and the positioning slot (121) are interlocked with each other. A No. 2 fixed connection hole (312) is provided on one side of the drilling and milling cutter connector (31), and a No. 1 fixing bolt (313) is inserted into the No. 1 fixed connection hole (122) and the No. 2 fixed connection hole (312).

3. A spiral two-edge profiled drill and milling cutter for cutting aluminum according to claim 1, characterized in that: The connecting drill bit (2) comprises two groups of drill blocks (21) and a connecting plug block (24), the two groups of drill blocks (21) are symmetrical to each other, and the connecting plug block (24) is connected to the bottom of the two groups of drill blocks (21), and the connecting plug block (24) is interlocked with the drill bit connecting groove (13).

4. A spiral two-edge profiled drill and milling cutter for cutting aluminum according to claim 3, characterized in that: A No. 1 thread groove (131) is provided at the center of the drill bit connection groove (13), a bolt connection groove (22) is provided between the two groups of drill bit blocks (21), a No. 2 thread groove (25) is provided at the center of the bolt connection groove (22), and a No. 2 fixing bolt (221) is inserted into the No. 1 thread groove (131) and the No. 2 thread groove (25).

5. A spiral two-edge profiled drill and milling cutter for cutting aluminum according to claim 4, characterized in that: A blade connection groove (211) is provided on one side of the drill block (21), a threaded hole (212) is provided at the center of the blade connection groove (211), and a milling blade (23) is connected in the blade connection groove (211).

6. A spiral two-edge profiled drill and milling cutter for cutting aluminum according to claim 5, characterized in that: A central groove (231) is provided at the central position of the milling blade (23), and a No. 3 fixing bolt (232) is connected between the blade connecting groove (211) and the milling blade (23), and the No. 3 fixing bolt (232) is connected in the central groove (231) and the threaded hole (212).

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