High-hardness die milling cutter with replaceable cutter head

Abstract

The utility model discloses a high hardness mould milling cutter with a replaceable cutter head, which comprises a milling mechanism used for milling a mould, the milling mechanism comprises a cutter holder, the cutter head, a butt joint disc and a mounting cavity, the butt joint disc is coaxially fixed at the bottom of the cutter head, the cutter head and the butt joint disc are jointly connected at the top of the cutter holder, and the mounting cavity is arranged in the cutter holder; and the locking mechanism is used for locking and replacing the tool bit and is connected to the tool apron. The utility model has the beneficial effects that the locking mechanism is arranged, the air cylinder in the locking mechanism is used for driving the linkage seat to be linked, and the driven plate is linked with the linkage seat through the driving rod, so that the clamping plate rotates under the acting force of the adjusting rod, and the tool bit can be quickly disassembled and assembled on the tool apron; and a self-locking structure is formed among the linkage seat, the driven plate and the driving rod, so that after the tool bit is locked, all components in the locking mechanism are kept in a stable state, and the situation that the tool bit is loosened due to linkage, and then the machining precision is affected is avoided.

Description

Technical Field

[0001] The utility model relates to a milling cutter, in particular to a high-hardness mold milling cutter with a replaceable cutter head, belonging to the technical field of milling cutters. Background Art

[0002] A mold is a common manufacturing tool, which consists of a high-precision mold and a mold holder. The design and manufacture of the mold requires a high degree of precision and technical level. This is because the molded products must meet precise size and shape requirements and must have high-quality surface and dimensional accuracy. If the mold accuracy is insufficient, the plastic products produced will have dimensional deviations, surface roughness, damage and other problems, which will affect product quality and production efficiency. At present, molds are mostly processed by milling cutters.

[0003] However, most of the existing milling cutters have various problems: for example, in a mold square slot milling cutter disclosed in publication number CN103949710A, although its main cutting edge and secondary cutting edge can process two surfaces of different shapes and sizes at one time, but during the processing, it is often necessary to replace the cutter head according to actual requirements, and the current cutter head is mostly connected to the cutter seat with screws or other fasteners. These fasteners need to consume a lot of time and energy when connecting, which seriously affects work efficiency. Utility Model Content

[0004] The technical solution of the utility model aims at the technical problem that the existing technical solution is too single, and provides a solution that is significantly different from the existing technology. Specifically, the purpose of the utility model is to solve the above-mentioned shortcomings existing in the prior art and to propose a high-hardness mold milling cutter with a replaceable tool head.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A high-hardness mold milling cutter with a replaceable cutter head, comprising:

[0007] A milling mechanism, which is used to mill the mold, comprises a tool holder, a tool head, a docking plate and a mounting cavity, wherein the docking plate is coaxially fixed to the bottom of the tool head, and the tool head and the docking plate are connected to the top of the tool holder, the mounting cavity is arranged in the tool holder, and a notch is arranged through the side wall of the tool holder;

[0008] The locking mechanism is used to lock and replace the cutter head and is connected to the cutter holder. The locking mechanism includes a cylinder, a linkage seat and a driven plate. The cylinder is fixed on the top of the installation cavity. The linkage seat is connected to the telescopic part of the cylinder and is located in the installation cavity. One end of the driven plate is rotatably connected to the outer wall of the cutter holder.

[0009] As a further solution of the utility model: an active rod is arranged between the driven plate and the linkage seat, one end of the active rod is rotatably connected to the center of the driven plate, and the other end is rotatably connected to the end point of the linkage seat.

[0010] As a further solution of the utility model: the locking mechanism also includes an adjusting rod and a clamping plate, the clamping plate is rotatably connected to the outer wall of the knife seat and is located above the driven plate, and the driven plate and the clamping plate are located in the same plane, and the two ends of the adjusting rod are respectively rotatably connected between the driven plate and the clamping plate.

[0011] As a further solution of the utility model: the linkage seat is a cross-shaped structure, and the main structure composed of the driven plate, the active rod, the adjusting rod and the clamping plate is symmetrically arranged in four groups on the knife seat.

[0012] As a further solution of the utility model: a hard rubber gasket is arranged at the bottom of the docking plate.

[0013] As a further solution of the utility model: a convex block is arranged at the bottom of one end of the clamping plate in contact with the docking plate, and the convex block is made of silicone material.

[0014] The beneficial effects of the utility model are:

[0015] In the utility model, a locking mechanism is provided, and the linkage seat is driven by the cylinder in the locking mechanism, and the driven plate and the linkage seat are linked by the active rod, so that the clamping plate rotates under the action of the adjusting rod, so that the cutter head can be quickly disassembled and assembled on the cutter seat, and a self-locking structure is formed between the linkage seat, the driven plate and the active rod, so that after the cutter head is locked, the various components in the locking mechanism remain in a stable state, avoiding the loosening of the cutter head due to linkage and affecting the processing accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0017] Figure 2 This is a schematic diagram of the utility model knife holder and its overall connection structure;

[0018] Figure 3 This is a schematic diagram of the locking mechanism structure of the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the cutter head of the utility model.

[0020] In the figure: 1, tool holder, 2, tool head, 3, docking plate, 4, mounting cavity, 5, cylinder, 6, linkage seat, 7, driven plate, 8, active rod, 9, adjusting rod and 10, clamping plate. DETAILED DESCRIPTION

[0021] 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. Embodiment 1

[0022] like Figures 1 to 4 As shown, a high-hardness mold milling cutter with a replaceable cutter head comprises:

[0023] A milling mechanism, which is used to mill the mold, comprises a tool holder 1, a tool head 2, a docking plate 3 and a mounting cavity 4, wherein the docking plate 3 is coaxially fixed to the bottom of the tool head 2, and the tool head 2 and the docking plate 3 are connected to the top of the tool holder 1, and the mounting cavity 4 is arranged in the tool holder 1, and a notch is arranged through the side wall of the tool holder 1;

[0024] A locking mechanism, which is used to lock and replace the cutter head 2 and is connected to the cutter holder 1. The locking mechanism includes a cylinder 5, a linkage seat 6 and a driven plate 7. The cylinder 5 is fixed to the top of the installation cavity. The linkage seat 6 is connected to the telescopic part of the cylinder 5 and is located in the installation cavity. One end of the driven plate 7 is rotatably connected to the outer wall of the cutter holder 1.

[0025] An active rod 8 is provided between the driven plate 7 and the linkage seat 6, one end of the active rod 8 is rotatably connected to the center of the driven plate 7, and the other end is rotatably connected to the end point of the linkage seat 6;

[0026] The locking mechanism further includes an adjusting rod 9 and a clamping plate 10, wherein the clamping plate 10 is rotatably connected to the outer wall of the knife holder 1 and is located above the driven plate 7, and the driven plate 7 and the clamping plate 10 are located in the same plane, and the two ends of the adjusting rod 9 are rotatably connected between the driven plate 7 and the clamping plate 10;

[0027] In the utility model, a locking mechanism is provided, and the cylinder 5 in the locking mechanism drives the linkage seat 6 to be linked, and the active rod 8 makes the driven plate 7 and the linkage seat 6 linked, so that the clamping plate 10 rotates under the action of the adjusting rod 9, so that the cutter head 2 can be quickly disassembled and assembled on the cutter seat 1, and a self-locking structure is formed between the linkage seat 6, the driven plate 7 and the active rod 8, so that after the cutter head 2 is locked, the various components in the locking mechanism remain in a stable state, so as to avoid the loosening of the cutter head 2 due to linkage and thus affect the processing accuracy. Embodiment 2

[0028] like Figures 1 to 4 As shown, in addition to all the technical features of the first embodiment, this embodiment also includes:

[0029] The linkage seat 6 is a cross-shaped structure, and the main structure composed of the driven plate 7, the active rod 8, the adjusting rod 9 and the clamping plate 10 is symmetrically arranged in four groups on the tool holder 1. The stability of the tool head 2 after being locked is improved by the symmetrically arranged multiple groups of structures.

[0030] A hard rubber gasket is provided at the bottom of the docking plate 3, and the vibration generated during milling is absorbed by the rubber gasket.

[0031] A bump is provided at the bottom of one end of the clamping plate 10 that contacts the docking plate 3 . The bump is made of silicone material to prevent the clamping plate 10 from directly contacting the docking plate 3 and causing wear on the docking plate 3 .

[0032] Working principle: When using the milling cutter, first place the docking plate 3 at the bottom of the cutter head 2 on the top of the cutter seat 1, then drive the linkage seat 6 to move upward through the cylinder 5, and drive the driven plate 7 to rotate through the active rod 8, and drive the adjusting rod 9 to rotate through the driven plate 7, and then drive the clamping plate 10 to rotate through the adjusting rod 9, and clamp the docking plate 3 to lock it on the cutter seat 1 through the clamping plate 10.

[0033] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0034] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A high-hardness mold milling cutter with replaceable cutter head, characterized in that: include: A milling mechanism, which is used to mill a mold, the milling mechanism comprising a tool holder (1), a tool head (2), a docking plate (3) and a mounting cavity (4), the docking plate (3) being coaxially fixed to the bottom of the tool head (2), and the tool head (2) and the docking plate (3) being jointly connected to the top of the tool holder (1), the mounting cavity (4) being arranged in the tool holder (1), and having a notch penetratingly arranged on a side wall of the tool holder (1); A locking mechanism is used to lock and replace a cutter head (2) and is connected to a cutter seat (1), the locking mechanism comprising a cylinder (5), a linkage seat (6) and a driven plate (7), the cylinder (5) being fixed to the top of a mounting cavity, the linkage seat (6) being connected to a telescopic portion of the cylinder (5) and being located in the mounting cavity, and one end of the driven plate (7) being rotatably connected to an outer wall of the cutter seat (1).

2. The high-hardness mold milling cutter with replaceable cutter head according to claim 1, characterized in that: An active rod (8) is provided between the driven plate (7) and the linkage seat (6); one end of the active rod (8) is rotatably connected to the center of the driven plate (7), and the other end is rotatably connected to the end point of the linkage seat (6).

3. The high-hardness mold milling cutter with replaceable cutter head according to claim 1, characterized in that: The locking mechanism further comprises an adjusting rod (9) and a clamping plate (10), wherein the clamping plate (10) is rotatably connected to the outer wall of the knife seat (1) and is located above the driven plate (7), and the driven plate (7) and the clamping plate (10) are located in the same plane, and the two ends of the adjusting rod (9) are respectively rotatably connected between the driven plate (7) and the clamping plate (10).

4. The high-hardness mold milling cutter with replaceable cutter head according to claim 1, characterized in that: The linkage seat (6) is in the shape of a cross, and the main structure composed of the driven plate (7), the active rod (8), the adjustment rod (9) and the clamping plate (10) is arranged in four groups symmetrically on the knife seat (1) in a front-to-back manner.

5. The high-hardness mold milling cutter with replaceable cutter head according to claim 1, characterized in that: A hard rubber gasket is provided at the bottom of the docking plate (3).

6. The high-hardness mold milling cutter with replaceable cutter head according to claim 3, characterized in that: A protrusion is provided at the bottom of one end of the clamping plate (10) that contacts the docking plate (3), and the protrusion is made of silicone material.

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