Detachable combined milling cutter for machining automobile parts

Abstract

The utility model discloses a detachable combined milling cutter for processing automobile parts, which comprises a fixed cutter handle, a detaching mechanism for combining the milling cutter is fixed on the upper surface of the fixed cutter handle, and the lower end of the fixed cutter handle is connected with a mounting pipe; the dismounting mechanism comprises a tool bit which is fixed to the upper surface of the fixed tool handle. Heat in heat conduction liquid is absorbed through the arranged heat pipe and then transmitted to the heat conduction ring, heat dissipation is conducted through the cooling fins, and when the installation pipe is driven to rotate, the cooling fins can synchronously rotate and conduct air collision heat dissipation, so that the temperature of the milling cutter in the working process is effectively reduced, the machining effect on a workpiece is improved, and the service life of the milling cutter is prolonged. And the sealing gasket arranged in the mounting pipe can play a role in sealing, so that the condition of leakage of the heat-conducting liquid can be effectively reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a detachable combined milling cutter, in particular to a detachable combined milling cutter for machining automobile parts, belonging to the technical field of milling cutter. BACKGROUND

[0002] The milling cutter based on automobile part machining is an indispensable important tool in metal cutting machining, and its performance and quality directly affect the machining precision, efficiency and surface quality of automobile parts. The core feature of the detachable combined milling cutter is its modular design, allowing users to quickly replace or adjust the blade, handle and other components as needed. This design not only improves processing efficiency, but also reduces downtime and maintenance costs.

[0003] In the prior art, such as the one disclosed in the publication number CN207971473U, a detachable PCD milling cutter includes a cutter head and a handle, the cutter head and the handle are detachably arranged, the cutter head includes a cutter mounting part and a connecting part, the connecting part includes a threaded rod, the handle is provided with an internal thread hole matched with the threaded rod, and the cutter mounting part is provided with cutter teeth on its peripheral surface. It also includes a positioning device arranged on the cutter head and the handle, which is aligned when the cutter head and the handle are in the screwed state. Because of the positioning device, when the cutter head and the handle are screwed, the positioning device is aligned, so it can be determined that the cutter head and the handle are accurately aligned, ensuring the accuracy of the detachable PCD milling cutter.

[0004] Although the cutter head and handle are screwed together in the above technical solution, the positioning device is aligned, so it can be determined that the cutter head and handle are accurately aligned, ensuring the accuracy of the milling cutter, but it cannot be replaced individually when damaged. Therefore, a detachable combined milling cutter for machining automobile parts is provided to overcome the above-mentioned defects. INVENTION CONTENTS

[0005] The utility model provides a detachable combined milling cutter for machining automobile parts to solve the problem that the milling cutter cannot be replaced individually when damaged.

[0006] The utility model realizes the above-mentioned purpose through the following technical scheme: a detachable combined milling cutter for machining automobile parts, including fixed handle, the upper surface of fixed handle is fixed with the dismounting mechanism for the combination of milling cutter, the lower end of fixed handle is connected with installation pipe;

[0007] The dismounting mechanism includes a cutter head fixed to the upper surface of the fixed handle, and three cutting blades are installed on the outer wall of the cutter head. The inner part of each cutting blade is provided with a fixed screw threadedly connected with the cutter head.

[0008] Preferably, the outer wall of the fixed tool shank is provided with a threaded hole, and a fixing bolt penetrating the inner wall of the mounting pipe is connected to the threaded hole.

[0009] Preferably, the outer surface of the fixed tool shank is fixed with two limiting blocks, and the outer wall of each limiting block is insertedly connected with a limiting groove provided in the inner wall of the mounting pipe.

[0010] Preferably, the inner part of the mounting pipe is provided with a water storage cavity.

[0011] Preferably, the outer surface of the mounting pipe is fixed with a heat conduction ring, and the outer surface of the heat conduction ring is fixed with three heat dissipation fins.

[0012] Preferably, the inner wall of the heat conduction ring is fixed with a plurality of heat pipes penetrating the inner wall of the mounting pipe at equal intervals.

[0013] Preferably, the inner part of the mounting pipe is provided with a sealing gasket, the lower surface of the fixed tool shank is fixed with a heat conduction rod, and the heat conduction rod penetrates the inner part of the sealing gasket.

[0014] The utility model discloses the beneficial effect is:

[0015] 1) the heat pipe is arranged to absorb the heat in the heat conduction liquid, and then is transferred to the heat conduction ring, and is cooled through the heat dissipation fin, when the mounting pipe is driven to rotate, the heat dissipation fin will rotate synchronously and collide with the air to cool, thereby effectively reducing the temperature of the milling cutter during work, improving the machining effect on the workpiece, and the sealing gasket arranged in the mounting pipe can play a sealing role, and can effectively prevent the heat conduction liquid from leaking.

[0016] 2) by unscrewing the fixing screw on the cutting blade, the fixing screw and the tool bit are separated, thereby releasing the fixation of the cutting blade, facilitating the disassembly and replacement of the cutting blade, by unscrewing the fixing bolt on the mounting pipe, the fixing bolt and the threaded hole are separated, thereby the fixed tool shank and the mounting pipe can be disassembled, and the assembly and use are facilitated. DRAWINGS

[0017] Fig. 1 It is a three-dimensional structure schematic view of the utility model;

[0018] Fig. 2 It is a three-dimensional structure schematic view of the mounting pipe of the utility model;

[0019] Fig. 3 It is a sectional structure schematic view of the mounting pipe of the utility model;

[0020] Fig. 4 It is a three-dimensional structure schematic view of the fixed tool shank of the utility model.

[0021] In the diagram: 1. Fixed tool holder; 2. Tool head; 21. Cutting blade; 22. Fixing screw; 23. Threaded hole; 24. Fixing bolt; 25. Limiting block; 26. Limiting groove; 3. Mounting tube; 4. Water storage chamber; 5. Heat conducting ring; 51. Heat sink; 52. Heat pipe; 6. Sealing gasket; 7. Heat conducting rod. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0023] Example 1, as Figs. 1 to 4 As shown, a disassembly and assembly type milling cutter for machining automotive parts includes a fixed tool holder 1, an assembly disassembly mechanism for the milling cutter is fixed on the upper surface of the fixed tool holder 1, and an installation tube 3 is connected to the lower end of the fixed tool holder 1.

[0024] The disassembly mechanism includes a cutter head 2, which is fixed to the upper surface of a fixed tool holder 1. Three cutting blades 21 are mounted on the outer wall of the cutter head 2. Each of the three cutting blades 21 has a fixing screw 22 threadedly connected to the cutter head 2. A threaded hole 23 is formed on the outer wall of the fixed tool holder 1, and a fixing bolt 24, penetrating the inner wall of the mounting tube 3, is connected inside the threaded hole 23. Two limiting blocks 25 are fixed to the outer surface of the fixed tool holder 1, and each of the two limiting blocks 25 has a limiting groove 26 inserted into the inner wall of the mounting tube 3. By unscrewing the fixing screw 22 on the cutting blade 21, the fixing screw 22 is separated from the cutting head 2, thereby releasing the fixing of the cutting blade 21 and facilitating the disassembly and replacement of the cutting blade 21. By unscrewing the fixing bolt 24 on the mounting tube 3, the fixing bolt 24 is separated from the threaded hole 23, thereby allowing the fixing handle 1 and the mounting tube 3 to be disassembled. During disassembly, first rotate the fixing handle 1, and then pull the fixing handle 1 to separate the limiting block 25 from the limiting groove 26, which is convenient for use and facilitates disassembly and assembly.

[0025] In addition to comprising all the technical features in embodiment one, the embodiment two further comprises: the inside of the mounting pipe 3 is provided with a water storage cavity 4, the outer surface of the mounting pipe 3 is fixed with a heat conduction ring 5, the outer surface of the heat conduction ring 5 is fixed with three cooling fins 51, the inner wall of the heat conduction ring 5 is fixed with a plurality of heat pipes 52 which penetrate the inner wall of the mounting pipe 3 at equal intervals, the inside of the mounting pipe 3 is provided with a sealing gasket 6, the lower surface of the fixed tool holder 1 is fixed with a heat conduction rod 7 which penetrates the inside of the sealing gasket 6, the water storage cavity 4 is provided in the mounting pipe 3 and contains heat conduction liquid, the heat generated during the operation of the milling cutter is transmitted to the heat conduction liquid in the water storage cavity 4 by the heat conduction rod 7, the heat in the heat conduction liquid is absorbed by the heat pipes 52 and then transmitted to the heat conduction ring 5, and the heat is dissipated by the cooling fins 51, since the mounting pipe 3 is rotated, the cooling fins 51 rotate synchronously and collide with air to dissipate heat, thereby effectively reducing the temperature of the milling cutter during operation and improving the machining effect on the workpiece, and the sealing gasket 6 provided in the mounting pipe 3 can play a sealing role, which can effectively reduce the leakage of the heat conduction liquid.

[0026] Before using the detachable combined milling cutter, the milling cutter is assembled, the mounting pipe 3 is connected and fixed with the output shaft of the external driving device, the driving device drives the mounting pipe 3 to rotate, thereby driving the fixed tool holder 1 to rotate, so that the cutting inserts 21 on the tool head 2 mill the workpiece, the water storage cavity 4 is provided in the mounting pipe 3 and contains heat conduction liquid, the heat generated during the operation of the milling cutter is transmitted to the heat conduction liquid in the water storage cavity 4 by the heat conduction rod 7, the heat in the heat conduction liquid is absorbed by the heat pipes 52 and then transmitted to the heat conduction ring 5, and the heat is dissipated by the cooling fins 51, since the mounting pipe 3 is rotated, the cooling fins 51 rotate synchronously and collide with air to dissipate heat, thereby effectively reducing the temperature of the milling cutter during operation and improving the machining effect on the workpiece, and the sealing gasket 6 provided in the mounting pipe 3 can play a sealing role, which can effectively prevent the leakage of the heat conduction liquid, when the milling cutter needs to be disassembled, the fixing screws 22 on the cutting inserts 21 are unscrewed, so that the fixing screws 22 and the tool head 2 are separated, thereby releasing the fixation of the cutting inserts 21, which facilitates the disassembly and replacement of the cutting inserts 21, the fixing bolts 24 on the mounting pipe 3 are unscrewed, so that the fixing bolts 24 and the threaded holes 23 are separated, thereby enabling the disassembly of the fixed tool holder 1 and the mounting pipe 3, during disassembly, the fixed tool holder 1 is first rotated, and then the fixed tool holder 1 is pulled to separate the limiting block 25 and the limiting groove 26, which is convenient to use and facilitates disassembly and assembly.

[0027] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0028] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A disassembly and assembly type milling cutter for machining automotive parts, comprising a fixed tool holder (1), characterized in that: The upper surface of the fixed tool holder (1) is fixed with a disassembly mechanism for the milling cutter assembly, and the lower end of the fixed tool holder (1) is connected with an installation tube (3). The disassembly mechanism includes a cutter head (2), which is fixed on the upper surface of the fixed handle (1). Three cutting blades (21) are installed on the outer wall of the cutter head (2), and each of the three cutting blades (21) is fitted with a fixing screw (22) that is threadedly connected to the cutter head (2).

2. The detachable and modular milling cutter according to claim 1, characterized in that: The outer wall of the fixed handle (1) is provided with a threaded hole (23), and a fixing bolt (24) that penetrates the inner wall of the mounting tube (3) is connected inside the threaded hole (23).

3. The detachable and modular milling cutter according to claim 2, characterized in that: Two limiting blocks (25) are fixed on the outer surface of the fixed tool holder (1), and the outer walls of the two limiting blocks (25) are connected to limiting grooves (26) opened on the inner wall of the mounting tube (3).

4. The detachable and modular milling cutter according to claim 1, characterized in that: The installation pipe (3) has a water storage chamber (4) inside.

5. The detachable and modular milling cutter according to claim 4, characterized in that: A heat-conducting ring (5) is fixed on the outer surface of the mounting tube (3), and three heat sinks (51) are fixed on the outer surface of the heat-conducting ring (5).

6. The detachable and modular milling cutter according to claim 5, characterized in that: The inner wall of the heat-conducting coil (5) is uniformly fixed with several heat pipes (52) that penetrate the inner wall of the mounting tube (3).

7. The detachable and modular milling cutter according to claim 1, characterized in that: A sealing gasket (6) is installed inside the mounting tube (3), and a heat-conducting rod (7) is fixed on the lower surface of the fixed knife handle (1). The heat-conducting rod (7) penetrates the interior of the sealing gasket (6).

Images