Multifunctional chamfering centering drilling and milling cutter for metal cutting

Abstract

The utility model discloses a multifunctional chamfering centering drilling and milling cutter for metal cutting, which relates to the field of industrial processing, and comprises a drilling and milling cutter body, the upper part of the drilling and milling cutter body is fixedly connected with a positioning box, and the opposite sides of the front part and the rear part of the inner cavity of the positioning box are respectively and fixedly connected with a hollow column; the opposite sides of inner cavities of the hollow columns are movably connected with sliding rods respectively, the surfaces of the sliding rods are sleeved with springs, the opposite sides of the springs are fixedly connected with clamping blocks respectively, inner cavities of the clamping blocks are movably connected with the sliding rods, the opposite sides of the sliding rods penetrate through an inner cavity of the positioning box respectively, and the surfaces of the clamping blocks are movably connected with connecting rings. The lower part of the connecting ring is in contact with the upper part of the positioning box, the upper part of the connecting ring is fixedly connected with a connecting block, and the front part and the rear part of the surface of the connecting block are respectively provided with a mounting groove. The drilling and milling cutter disclosed by the utility model has the following advantages that when the drilling and milling cutter body is damaged, the drilling and milling cutter body can be quickly replaced according to the requirement of a user.

Description

Technical Field

[0001] The utility model relates to the field of industrial processing, and particularly relates to a multi-functional chamfering centering drill and milling cutter for metal cutting. Background Art

[0002] A drill and milling cutter is a commonly used tool in industrial processing. It combines the functions of a drill bit and a milling cutter and is a multi-functional tool. A drill and milling cutter is a tool that integrates a drill bit and a milling cutter and is mainly used in the field of metal processing. A drill and milling cutter can not only perform drilling operations but also perform various processing operations such as reaming, boring, milling slots, milling flat surfaces, and knurling.

[0003] The applicant found through retrieval that the Chinese patent discloses "a special drill and milling cutter for carbon fiber hole processing", and its publication (announcement) number is "CN221291611U". The utility model discloses a special drill and milling cutter for carbon fiber hole processing, including a cutter body and a cutter handle. The cutter body and the cutter handle are fixedly connected. The front end of the cutter body is a drill tip, and the taper angle of the drill tip is 90 degrees. There are four ligaments evenly distributed at equal angles around the axis on the circumferential surface of the cutter body, namely the first ligament, the second ligament, the third ligament, and the fourth ligament. Among them, the first tooth surface is provided on the first ligament and the third ligament, the second tooth surface is provided on the second ligament and the fourth ligament, the tooth shapes of the first tooth surface and the second tooth surface are inconsistent, and the milling directions acting on the processing surface are also inconsistent. Each ligament extends backward along the axis from the drill tip; the four ligaments are all straight ligaments, the edge part of each ligament is a milling edge, and a straight chip removal groove is provided between the four ligaments. The chips generated by drilling and milling are discharged outward through the straight chip removal groove; two tooth shapes are provided on the surface of the cutter body, which can quickly cut off the burrs generated during the drilling and milling process and effectively solve the problems of burrs and flash in the processing of carbon fiber composite materials. This patent mainly uses a multi-functional chamfering centering drill and milling cutter for metal cutting to achieve a multi-functional chamfering centering drill and milling cutter for metal cutting. However, when the drill and milling cutter is damaged, it is not convenient to perform quick replacement and maintenance. Summary of the Utility Model

[0004] The utility model specifically adopts the following technical solutions to achieve the above purposes:

[0005] A multi-functional chamfering centering drill and milling cutter for metal cutting, including a drill and milling cutter body. A positioning box is fixedly connected to the upper part of the drill and milling cutter body. Hollow columns are respectively fixedly connected to the front and rear opposite sides of the inner cavity of the positioning box. Slide rods are respectively movably connected to the opposite sides of the inner cavities of the hollow columns. Springs are sleeved on the surfaces of the slide rods. Blocks are respectively fixedly connected to the opposite sides of the springs. The inner cavities of the blocks are movably connected to the slide rods. The opposite sides of the slide rods respectively pass through the inner cavity of the positioning box. Pull rings are respectively fixedly connected to the opposite sides of the inner cavities of the slide rods.

[0006] Further, a connecting ring is movably connected to the surface of each of the clamping blocks. The lower part of the connecting ring contacts the upper part of the positioning box. The upper part of the connecting ring is fixedly connected with a connecting block, and mounting grooves are respectively formed in the front and rear parts of the surface of the connecting block.

[0007] Further, a spraying ring is fixedly connected to the lower part of the surface of the drill and milling cutter body, and spraying heads are fixedly connected to the lower part of the spraying ring.

[0008] Further, a connecting pipe is fixedly connected to the front part of the upper part of the spraying ring, and a connecting flange is fixedly connected to the surface of the connecting pipe.

[0009] Further, a positioning ring is fixedly connected to the lower part of the positioning box, and the inner cavity of the positioning ring is fixedly connected to the drill and milling cutter body.

[0010] Further, reinforcing bolts are fixedly connected to the surface of the positioning ring. The reinforcing bolts pass through the inner cavity of the positioning ring and are fixedly connected to the positioning box.

[0011] Further, limiting strips are respectively movably connected to both sides of the clamping blocks, and the opposite sides of the limiting strips are respectively fixedly connected to the inner cavity of the positioning box.

[0012] Further, screws are respectively fixedly connected to both sides of the surface of the connecting block. The screws pass through the connecting block and are fixedly connected to the connecting ring.

[0013] The technical effects and advantages of the present utility model:

[0014] 1. When the drill and milling cutter body needs to be replaced due to damage, the user presses the pull ring to drive the sliding rod to move, then the sliding rod drives the clamping block to move, and then the spring is compressed by the clamping block. Then, the clamping block moves to one side away from the groove in the inner cavity of the connecting ring. Then, the user moves the drill and milling cutter body to disassemble and maintain the device. By using the cooperation of the above structures, the present utility model has the following advantages. When the drill and milling cutter body is damaged, the drill and milling cutter body can be quickly replaced according to the needs of the user.

[0015] 2. The present utility model uses the connecting flange to connect with the pipeline of the external cutting fluid. Then, the cutting fluid is conveyed to the inside of the spraying ring by the connecting pipe, and then conveyed to the inside of the spraying heads by the spraying ring. Then, the cutting fluid is sprayed onto the processed metal material by the spraying heads. By using the cooperation of the above structures, the present utility model has the following advantages. When processing the metal, the service life of the drill and milling cutter body can be effectively extended. Description of the Drawings

[0016] Figure 1 It is a schematic diagram of the overall structure of the present utility model.

[0017] Figure 2This is a schematic side view structure of the present utility model.

[0018] Figure 3 This is a schematic structure diagram of the positioning box of the present utility model.

[0019] Figure 4 This is a schematic exploded view structure of the present utility model.

[0020] In the figure: 1. Drill and milling cutter body; 2. Positioning box; 3. Hollow column; 4. Slide bar; 5. Spring; 6. Clamping block; 7. Pull ring; 8. Connecting ring; 9. Connecting block; 10. Spraying ring; 11. Spraying head; 12. Connecting pipe; 13. Connecting flange; 14. Positioning ring; 15. Reinforcing bolt; 16. Limiting strip; 17. Screw. Detailed implementation manners

[0021] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

[0022] The "front, rear, left, and right" perspectives of this device are based on Figure 1 the direction of the attached drawings.

[0023] As Figures 1-4 shown, a multifunctional chamfering and centering drill and milling cutter for metal cutting includes a drill and milling cutter body 1. A positioning box 2 is fixedly connected to the upper part of the drill and milling cutter body 1. Hollow columns 3 are fixedly connected to the front and rear opposite sides of the inner cavity of the positioning box 2 respectively. Slide bars 4 are movably connected to the opposite sides of the inner cavities of the respective hollow columns 3. Springs 5 are sleeved on the surfaces of the slide bars 4. Clamping blocks 6 are fixedly connected to the opposite sides of the respective springs 5. The inner cavities of the clamping blocks 6 are movably connected to the slide bars 4. The opposite sides of the respective slide bars 4 pass through the inner cavity of the positioning box 2 respectively. Pull rings 7 are fixedly connected to the opposite sides of the inner cavities of the respective slide bars 4. During operation: When the drill and milling cutter body 1 is damaged and needs to be replaced, the user presses the pull ring 7 to drive the slide bar 4 to move, then the slide bar 4 drives the clamping block 6 to move, and then the spring 5 is compressed by the clamping block 6. Then, the clamping block 6 moves to the side away from the groove in the inner cavity of the connecting ring 8, and then the user moves the drill and milling cutter body 1 to disassemble and maintain this device.

[0024] As Figures 1-4 shown, in some embodiments, connecting rings 8 are movably connected to the surfaces of the respective clamping blocks 6. The lower part of the connecting ring 8 contacts the upper part of the positioning box 2. A connecting block 9 is fixedly connected to the upper part of the connecting ring 8. Installation grooves are respectively formed in the front and rear parts of the surface of the connecting block 9. During operation: When the whole device needs to be installed, the connecting block 9 is used to connect with the lathe.

[0025] As Figures 1-2As shown, in some embodiments, a spraying ring 10 is fixedly connected to the lower part of the surface of the drill and milling cutter body 1. A spraying head 11 is fixedly connected to the lower part of the spraying ring 10. A connecting pipe 12 is fixedly connected to the front part of the upper part of the spraying ring 10. A connecting flange 13 is fixedly connected to the surface of the connecting pipe 12. During operation: when machining a metal material, the connecting flange 13 is used to connect with an external cutting fluid pipeline, and then the cutting fluid is conveyed to the inside of the spraying ring 10 through the connecting pipe 12, then conveyed to the inside of the spraying head 11 through the spraying ring 10, and then the spraying head 11 sprays the cutting fluid onto the machined metal material.

[0026] As Figure 1 shown, in some embodiments, a positioning ring 14 is fixedly connected to the lower part of the positioning box 2. The inner cavity of the positioning ring 14 is fixedly connected to the drill and milling cutter body 1. During operation: the positioning ring 14 is used to reinforce between the positioning box 2 and the drill and milling cutter body 1, thereby achieving the effect of limiting the positioning box 2.

[0027] As Figure 1 shown, in some embodiments, a reinforcing bolt 15 is fixedly connected to the surface of the positioning ring 14. The reinforcing bolt 15 passes through the inner cavity of the positioning ring 14 and is fixedly connected to the positioning box 2. During operation: the reinforcing bolt 15 is used to limit between the positioning ring 14 and the positioning box 2, thereby achieving the effect of reinforcing the positioning ring 14.

[0028] As Figure 3 shown, in some embodiments, limiting bars 16 are respectively movably connected to both sides of the clamping block 6. The opposite sides of the limiting bars 16 are respectively fixedly connected to the inner cavity of the positioning box 2. During operation: when the clamping block 6 moves, the limiting bars 16 are used to limit the moving direction of the clamping block 6.

[0029] As Figure 2 shown, in some embodiments, screws 17 are respectively fixedly connected to both sides of the surface of the connecting block 9. The screws 17 pass through the connecting block 9 and are fixedly connected to the connecting ring 8.

[0030] Working principle of the present utility model: when the drill and milling cutter body 1 is damaged and needs to be replaced, the user presses the pull ring 7 to drive the sliding rod 4 to move, then the sliding rod 4 drives the clamping block 6 to move, and then the clamping block 6 compresses the spring 5. Then the clamping block 6 moves to one side away from the groove in the inner cavity of the connecting ring 8. Then the user moves the drill and milling cutter body 1 to disassemble and maintain the device. When the whole device needs to be installed, the connecting block 9 is used to connect with the lathe. When machining a metal material, the connecting flange 13 is used to connect with an external cutting fluid pipeline, and then the cutting fluid is conveyed to the inside of the spraying ring 10 through the connecting pipe 12, then conveyed to the inside of the spraying head 11 through the spraying ring 10, and then the spraying head 11 sprays the cutting fluid onto the machined metal material.

[0031] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present utility model. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present utility model. Therefore, the present utility model will not be limited to these embodiments shown herein, but rather to the broadest scope consistent with the principles and novel features disclosed herein.

Claims

1. A multifunctional chamfering and centering drill and milling cutter for metal cutting, comprising a drill and milling cutter body (1), characterized in that: The upper part of the drilling and milling cutter body (1) is fixedly connected with a positioning box (2), and the opposite sides of the front and rear parts of the inner cavity of the positioning box (2) are respectively fixedly connected with hollow columns (3), and the opposite sides of the inner cavities of each hollow column (3) are respectively movably connected with a slide bar (4), and a spring (5) is sleeved on the surface of the slide bar (4), and the opposite sides of each spring (5) are respectively fixedly connected with a clamping block (6), and the inner cavity of the clamping block (6) is movably connected with the slide bar (4), and the opposite sides of each slide bar (4) pass through the inner cavity of the positioning box (2), and the opposite sides of the inner cavities of each slide bar (4) are respectively fixedly connected with a pull ring (7).

2. A multifunctional chamfering and centering drill milling cutter for metal cutting according to claim 1, characterized in that: A connecting ring (8) is movably connected to the surface of each of the clamping blocks (6); the lower portion of the connecting ring (8) contacts the upper portion of the positioning box (2); the upper portion of the connecting ring (8) is fixedly connected to a connecting block (9); and the front and rear portions of the surface of the connecting block (9) are respectively provided with mounting grooves.

3. The multifunctional chamfering and centering drill milling cutter for metal cutting according to claim 1, characterized in that: A spray ring (10) is fixedly connected to the lower part of the surface of the drilling and milling cutter body (1), and a spray head (11) is fixedly connected to the lower part of the spray ring (10).

4. A multifunctional chamfering and centering drill milling cutter for metal cutting according to claim 3, characterized in that: A connecting pipe (12) is fixedly connected to the front portion of the upper portion of the spray ring (10), and a connecting flange (13) is fixedly connected to the surface of the connecting pipe (12).

5. The multifunctional chamfering and centering drill milling cutter for metal cutting according to claim 1, characterized in that: A positioning ring (14) is fixedly connected to the lower part of the positioning box (2), and the inner cavity of the positioning ring (14) is fixedly connected to the drilling and milling cutter body (1).

6. A multifunctional chamfering and centering drill milling cutter for metal cutting according to claim 5, characterized in that: A reinforcing bolt (15) is fixedly connected to the surface of the positioning ring (14); the reinforcing bolt (15) passes through the inner cavity of the positioning ring (14) and is fixedly connected to the positioning box (2).

7. The multifunctional chamfering and centering drill milling cutter for metal cutting according to claim 1, characterized in that: The two sides of the clamping block (6) are movably connected to the limit strips (16), and the opposite sides of each limit strip (16) are fixedly connected to the inner cavity of the positioning box (2).

8. The multifunctional chamfering and centering drill milling cutter for metal cutting according to claim 2, characterized in that: Screws (17) are respectively fixedly connected to both sides of the surface of the connection block (9), and the screws (17) pass through the connection block (9) and are fixedly connected to the connection ring (8).

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