Multi-directional angle milling head and milling machine

Abstract

The utility model provides a multidirectional angle milling head and milling machine, including tool apron, input subassembly, output subassembly and shell, input subassembly includes input shaft, input gear, output subassembly is connected with input gear and rotates with input gear, output subassembly and input subassembly are vertically set, and the shell includes the shell. The output assembly comprises a first output assembly, a second output assembly, a third output assembly and a fourth output assembly which are sequentially and vertically arranged in the same plane, the first output assembly comprises a first output gear and a first output shaft, and the first output gear is meshed with the input gear; the first output shaft is connected with the first output gear and rotates along with the first output gear to drive the drill bit to rotate. By means of the scheme, the multidirectional angle milling head is favorable for achieving hole machining in four directions, meanwhile, time consumed by rotating the milling head is avoided, multidirectional machining of large workpieces is facilitated, and boring and milling of holes in the four circumferential directions of a cutting chamber are further facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of machining, especially a multi-direction angle milling head and milling machine. BACKGROUND

[0002] In the field of machining, the right-angle milling head is widely used as a common accessory for hole machining of machine tools. When processing a single crystal silicon cutting chamber, multiple holes need to be drilled in the four walls of the cutting chamber to meet the requirements. However, due to the large size of the cutting chamber, it is not possible to adjust the angle of the workpiece to achieve multi-directional hole machining. If a general boring and milling head is used, the milling head needs to be rotated four times to complete the machining of the four-direction holes, which consumes a lot of time and is not conducive to efficient processing of the cutting chamber.

[0003] Therefore, it is necessary to provide a multi-direction angle milling head to overcome the above-mentioned defects. SUMMARY

[0004] The utility model aims at providing a multi-direction angle milling head and milling machine, which realizes four-direction hole machining through multiple output assemblies, improves the problems of inconvenient processing of large workpieces and long processing time, and improves the processing efficiency.

[0005] According to one aspect of the utility model, a multi-direction angle milling head is provided, which includes a tool holder, an input assembly, an output assembly, and a housing. The tool holder is connected with the main shaft and rotates synchronously with the main shaft to input power. The input assembly includes an input shaft connected with the tool holder and rotating synchronously with the tool holder, and an input gear connected with the input shaft and rotating with the input shaft. The output assembly is connected with the input gear and rotates with the input gear. The output assembly is perpendicular to the input assembly. The housing is externally sleeved on the input assembly and the output assembly. The output assembly includes a first output assembly, a second output assembly, a third output assembly, and a fourth output assembly, which are vertically arranged in the same plane. The first output assembly includes a first output gear and a first output shaft. The first output gear is engaged with the input gear. The first output shaft is connected with the first output gear and rotates with the first output gear to drive the drill bit to rotate. The above-mentioned scheme helps to realize four-direction hole machining, avoids the time-consuming rotation of the milling head, facilitates multi-directional processing of large workpieces, and further facilitates boring and milling processing of the four circumferential holes of the cutting chamber.

[0006] Preferably, the input assembly further includes a first bearing assembly sleeved on the input shaft and contacting the first end cover on the side away from the tool holder, and a locking nut sleeved on the input shaft and contacting the first bearing assembly on the side away from the tool holder. The above-mentioned scheme facilitates the rotation of the input shaft.

[0007] Preferably, the multi-directional right-angle milling head further comprises a first end cover sleeved to the input shaft and fixedly connected to the housing. The above-mentioned scheme helps to limit the first bearing assembly.

[0008] Preferably, the multi-directional right-angle milling head further comprises a locking nut sleeved to the input shaft and contacting the first bearing assembly at the end close to the input gear. The above-mentioned scheme helps to lock and limit the first bearing assembly, effectively preventing the movement of the first bearing assembly from affecting the entire machining process.

[0009] Preferably, the first output assembly further comprises a first bearing, a second bearing, and a spacer sleeve sleeved to the first output shaft, the first bearing being relatively close to the first output gear, the second bearing being relatively far away from the first output gear, and the spacer sleeve being in abutment between the first bearing and the second bearing. The above-mentioned scheme helps to limit the radial direction of the first output shaft while ensuring the normal rotation of the first output shaft.

[0010] Preferably, the end of the first output shaft is connected to a drill bit to drive the drill bit to rotate for machining.

[0011] Preferably, the first output assembly further comprises a bearing seat and an open nut sleeved to the first output shaft, the bearing seat being sleeved to the first bearing assembly and fixedly connected to the housing, the open nut being in abutment with the second bearing at the side relatively far away from the first output gear, and the open nut being fixedly connected to the housing. The above-mentioned scheme helps to lock and limit the second bearing, thereby better realizing the normal operation of the first output assembly.

[0012] Preferably, the input gear and the first output gear are bevel gears, and the first output gear is in meshing engagement with the input gear.

[0013] Preferably, the input gear is connected to the input shaft through a first connecting key.

[0014] Preferably, the first output gear is connected to the first output shaft through a second connecting key.

[0015] Preferably, the second output assembly, the third output assembly, and the fourth output assembly have the same structure as the first output assembly. The second output assembly comprises a second output gear and a second output shaft connected to the second output gear and rotating synchronously with the second output gear, the third output assembly comprises a third output gear and a third output shaft connected to the third output gear and rotating synchronously with the third output gear, and the fourth output assembly comprises a fourth output gear and a fourth output shaft connected to the fourth output gear and rotating synchronously with the fourth output gear.

[0016] Preferably, the multi-directional right-angle milling head further comprises a second end cover disposed at the end of the housing relatively far away from the tool holder, and the second end cover is connected to the housing through screws. The above-mentioned scheme helps to close the housing and improve the safety of the structure.

[0017] Preferably, a milling machine comprises a bed, a column, a ram, a main shaft, a milling head base, and a multi-directional angle milling head of the above-mentioned scheme, the column is arranged on the bed, the ram is connected with the column, the milling head base is fixedly connected with the ram, and the main shaft is arranged in the milling head base, one end of the main shaft is connected with a tool shank to drive the tool shank to rotate.

[0018] The utility model provides a kind of multi-directional milling head and milling machine, including tool holder, input component, output component, shell, output component includes the first output component, second output component, third output component and fourth output component being arranged in the same plane vertically in sequence, and the machining work of four directions is realized by multiple output components, the problem such as large workpiece is not convenient to process, process time-consuming is long is improved, and processing efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] The utility model will be further explained in detail in connection with the drawings and specific embodiment:

[0020] Fig. 1 It is the three-dimensional schematic view of multi-directional right-angle milling head;

[0021] Fig. 2 It is the sectional view of multi-directional right-angle milling head;

[0022] Fig. 3 It is the internal connection schematic view of multi-directional right-angle milling head;

[0023] Fig. 4 It is the schematic view of a kind of milling machine.

[0024] REFERENCE SIGNS:

[0025] 1, tool holder;2, first end cover;3, shell;4, input shaft;5, first bearing assembly;6, locking nut;7, first connecting key;8, input gear;9, first bearing;10, bearing seat;11, spacer;12, second connecting key;13, second bearing;14a, first output shaft;14b, second output shaft;14c, third output shaft;14d, fourth output shaft;15, open nut;16a, first output gear;16b, second output gear;16c, third output gear;16d, fourth output gear;17, second end cover;18, screw;A, input component;B1, first output component;B2, second output component;B3, third output component;B4, fourth output component;C1, bed;C2, column;C3, ram;C4, main shaft;C5, milling head base;100, multi-directional angle milling head;200, milling machine. DETAILED DESCRIPTION

[0026] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description only represent some of the embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0027] In order to make the drawing simple, only the parts related to the present application are shown in each drawing, which does not represent the actual structure of the product. In addition, in order to make the drawing simple and easy to understand, in some drawings, only one of the components with the same structure or function is shown, or only one of them is marked. In this paper, "one" not only means "only one", but also means "more than one" situation.

[0028] It should be further understood that the term "and / or" used in the present application specification and the appended claims means any combination of one or more of the associated listed items and all possible combinations, and includes these combinations.

[0029] In this paper, it should be noted that unless otherwise specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0030] In addition, in the description of the present application, the terms "first", "second" and the like are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0031] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will describe the specific embodiments of the present application with reference to the drawings. Obviously, the drawings in the following description only represent some of the embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor, and other embodiments can also be obtained.

[0032] Referring to Figs. 1 to 4As shown, the embodiment provides a multi-directional angle milling head, which comprises a tool holder 1, an input assembly A, an output assembly, a shell 3, the tool holder 1 is connected with the main shaft C4 and rotates synchronously with the main shaft C4 to input power, the input assembly A comprises an input shaft 4 connected with the tool holder 1 at one end and rotates synchronously with the tool holder 1, the other end of the input shaft 4 is connected with the input gear 8 through the first connecting key 7 to drive the input gear 8 to rotate, the output assembly is connected with the input gear 8 and rotates with the input gear 8, the output assembly is vertically arranged with the input assembly A, the shell 3 is sleeved outside the input assembly A and the output assembly, the output assembly comprises a first output assembly B1, a second output assembly B2, a third output assembly B3 and a fourth output assembly B4 which are vertically arranged in the same plane, the first output assembly B1 comprises a first output gear 16a and a first output shaft 14a, the first output gear 16a and the input gear 8 are bevel gears, the first output gear 16a meshes with the input gear 8 and rotates with the input gear 8, the first output shaft 14a is connected with the first output gear 16a through the second connecting key 12 and rotates with the first output gear 16a to drive the drill bit to rotate. The above scheme helps to realize four-direction hole machining, avoids the time-consuming of rotary milling head, helps to realize multi-directional machining of large workpieces, and further helps to realize boring and milling of four circumferential holes of the cutting chamber. At the same time, the above scheme has the function of increasing speed, the transmission ratio is 1.5:1, which can improve the machining efficiency, is suitable for multi-directional machining of square workpiece inner cavity, and the output assembly can be replaced as a whole, which is convenient for maintenance.

[0033] The input assembly A further comprises a first bearing assembly 5 sleeved on the input shaft 4 and contacting the first end cover 2 on the side away from the tool holder 1, and a locking nut 6 sleeved on the input shaft 4 and contacting the first bearing assembly 5 on the side away from the tool holder 1. The above scheme helps to realize the rotation of the input shaft 4.

[0034] The multi-directional right-angle milling head further comprises a first end cover 2 sleeved on the input shaft 4 and connected with the shell 3 through a screw 18. The above scheme helps to limit the first bearing assembly 5.

[0035] The multi-directional right-angle milling head further comprises a locking nut 6 sleeved on the input shaft 4 and contacting the first bearing assembly 5 on the side close to the input gear 8. The above scheme helps to lock and limit the first bearing assembly 5, effectively preventing the movement of the first bearing assembly from affecting the entire machining process.

[0036] The first output assembly B1 further comprises a first bearing 9, a second bearing 13 and a spacer 11 sleeved on the first output shaft 14a, the first bearing 9 is relatively close to the first output gear 16a, the second bearing 13 is relatively far away from the first output gear 16a, and the spacer 11 abuts between the first bearing 9 and the second bearing 13. The above-mentioned scheme helps to realize the radial limiting of the first output shaft 14a while ensuring the normal rotation of the first output shaft 14a.

[0037] The first output assembly B1 further comprises a bearing seat 10 and an open nut 15 sleeved on the first output shaft 14a, the bearing seat 10 is fixedly connected with the housing 3 outside the first bearing assembly 5, the open nut 15 is arranged on the side of the second bearing 13 away from the first output gear 16a and abuts with the second bearing 13, and the open nut 15 is fixedly connected with the housing 3. This helps to realize the locking and limiting of the second bearing 13, so as to better realize the normal work of the first output assembly B1.

[0038] The second output assembly B2, the third output assembly B3 and the fourth output assembly B4 have the same structure as the first output assembly B1. The second output assembly B2 comprises a second output gear 16b and a second output shaft 14b connected with the second output gear 16b and rotating synchronously with the second output gear 16b, the third output assembly B3 comprises a third output gear 16c and a third output shaft 14c connected with the third output gear 16c and rotating synchronously with the third output gear 16c, and the fourth output assembly B4 comprises a fourth output gear 16d and a fourth output shaft 14d connected with the fourth output gear 16d and rotating synchronously with the fourth output gear 16d.

[0039] The multi-directional right-angle milling head further comprises a second end cover 17 arranged at an end of the housing 3 away from the tool holder 1, and the second end cover 17 is connected with the housing 3 through a screw 18.

[0040] The embodiment also provides a milling machine, which comprises a bed C1, a column C2, a ram C3, a main shaft C4, a milling head seat C5 and a multi-directional right-angle milling head according to the above-mentioned scheme, the column C2 is arranged on the bed C1, the ram C3 is connected with the column C2, the milling head seat C5 is fixedly connected with the ram C3, the main shaft C4 is arranged in the milling head seat C5, one end of the main shaft C4 is connected with a tool shank to drive the tool shank to rotate, so as to drive the input shaft 4 to rotate, and the input gear 8 is engaged with the first output gear 16a, the second output gear 16b, the third output gear 16c and the fourth output gear 16d respectively to output power to drive the drill bit to rotate.

[0041] The utility model provides a kind of multi-direction milling head including tool holder 1, input component A, output component, shell 3, output component includes the first output component B1, second output component B2, third output component B3 in the same plane sequentially vertically arranged, and fourth output component B4, and the hole processing work of four directions is realized by multiple sets of output components, improve the problem that large workpiece is not convenient to process, processing time-consuming is long, improve processing efficiency.

[0042] It is obvious to those skilled in the art that various modifications and variations can be made to the above exemplary embodiments of the utility model without departing from the spirit and scope of the utility model. Therefore, it is intended to cover modifications and variations of the utility model that fall within the scope of the appended claims and their equivalents.

Claims

1. A multi-directional angle milling head, characterized by, The utility model relates to a multi-direction angle milling head, comprising: a tool holder connected with the main shaft to rotate synchronously with the main shaft to input power; an input assembly comprising an input shaft connected with the tool holder to rotate synchronously with the tool holder, and an input gear connected with the input shaft to rotate synchronously with the input shaft; an output assembly connected with the input gear to rotate synchronously with the input gear, and arranged perpendicularly to the input assembly; a housing arranged outside the input assembly and the output assembly; the output assembly comprises a first output assembly, a second output assembly, a third output assembly and a fourth output assembly arranged perpendicularly in sequence in the same plane; the first output assembly comprises a first output gear meshing with the input gear, and a first output shaft connected with the first output gear to rotate synchronously with the first output gear to drive a drill bit to rotate.

2. A multi-directional angle milling head as claimed in claim 1, characterized in that: the input assembly further comprises a first bearing assembly arranged outside the input shaft and a first end cover in contact with each other away from the tool holder, and a locking nut arranged outside the input shaft and the first bearing assembly in contact with each other away from the tool holder.

3. A multi-directional angle milling head as claimed in claim 2, wherein: a first end cover arranged outside the input shaft and fixedly connected with the housing.

4. A multi-directional angle milling head as claimed in claim 3, wherein: the first output assembly further comprises a first bearing arranged outside the first output shaft, a second bearing arranged outside the first output gear, and a spacer arranged between the first bearing and the second bearing.

5. A multi-directional angle milling head as claimed in claim 4, wherein: the first output assembly further comprises a bearing seat arranged outside the first bearing assembly and fixedly connected with the housing, and an open nut arranged outside the second bearing in contact with the second bearing away from the first output gear, and fixedly connected with the housing.

6. A multi-directional angle milling head as claimed in claim 5, wherein: the input gear and the first output gear are bevel gears, and the first output gear meshes with the input gear.

7. A multi-directional angle milling head as claimed in claim 6, wherein: the second output assembly, the third output assembly and the fourth output assembly have the same structure as the first output assembly.

8. A multi-directional angle milling head as claimed in claim 7, wherein: the second output assembly comprises a second output gear and a second output shaft connected with the second output gear to rotate synchronously with the second output gear, the third output assembly comprises a third output gear and a third output shaft connected with the third output gear to rotate synchronously with the third output gear, and the fourth output assembly comprises a fourth output gear and a fourth output shaft connected with the fourth output gear to rotate synchronously with the fourth output gear.

9. A multi-directional angle milling head as claimed in claim 8, wherein: a second end cover arranged at an end of the housing away from the tool holder, and fixedly connected with the housing by screws.

10. A milling machine characterized by: the utility model relates to a multi-direction angle milling head, comprising: a tool holder connected with the main shaft to rotate synchronously with the main shaft to input power; an input assembly comprising an input shaft connected with the tool holder to rotate synchronously with the tool holder, and an input gear connected with the input shaft to rotate synchronously with the input shaft; an output assembly connected with the input gear to rotate synchronously with the input gear, and arranged perpendicularly to the input assembly; a housing arranged outside the input assembly and the output assembly; the output assembly comprises a first output assembly, a second output assembly, a third output assembly and a fourth output assembly arranged perpendicularly in sequence in the same plane; the first output assembly comprises a first output gear meshing with the input gear, and a first output shaft connected with the first output gear to rotate synchronously with the first output gear to drive a drill bit to rotate. the input assembly further comprises a first bearing assembly arranged outside the input shaft and a first end cover in contact with each other away from the tool holder, and a locking nut arranged outside the input shaft and the first bearing assembly in contact with each other away from the tool holder. a first end cover arranged outside the input shaft and fixedly connected with the housing. the first output assembly further comprises a first bearing arranged outside the first output shaft, a second bearing arranged outside the first output gear, and a spacer arranged between the first bearing and the second bearing. the first output assembly further comprises a bearing seat arranged outside the first bearing assembly and fixedly connected with the housing, and an open nut arranged outside the second bearing in contact with the second bearing away from the first output gear, and fixedly connected with the housing. the input gear and the first output gear are bevel gears, and the first output gear meshes with the input gear. the second output assembly, the third output assembly and the fourth output assembly have the same structure as the first output assembly. the second output assembly comprises a second output gear and a second output shaft connected with the second output gear to rotate synchronously with the second output gear, the third output assembly comprises a third output gear and a third output shaft connected with the third output gear to rotate synchronously with the third output gear, and the fourth output assembly comprises a fourth output gear and a fourth output shaft connected with the fourth output gear to rotate synchronously with the fourth output gear. a second end cover arranged at an end of the housing away from the tool holder, and fixedly connected with the housing by screws.

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