Main shaft for multi-angle milling

Abstract

The utility model relates to the technical field of milling machine spindles, and provides a multi-angle milling spindle which comprises a bottom plate. The first mounting frame is rotationally arranged on one side of the bottom plate; the second mounting frame is rotationally arranged on the first mounting frame; the main shaft is arranged on the second mounting frame; the driving part is arranged on the other side of the bottom plate, is in transmission connection with the main shaft and is used for driving the main shaft to rotate. By means of the technical scheme, the problem that in the prior art, a milling spindle angle adjusting mechanism does not have high flexibility is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of milling machine spindles, in particular to a multi-angle milling spindle. Background Art

[0002] Traditional single-angle milling can no longer meet the precision manufacturing requirements of diversified and complex parts. Especially in the aviation, aerospace, automotive and other manufacturing industries, many parts need to be milled at multiple angles, which puts higher requirements on milling equipment. Multi-angle milling spindles came into being in this context, but the current multi-angle milling spindle angle adjustment mechanism does not have high flexibility. Utility Model Content

[0003] The utility model provides a multi-angle milling spindle, which solves the problem that the angle adjustment mechanism of the milling spindle in the related art does not have high flexibility.

[0004] The technical solution of the utility model is as follows:

[0005] A multi-angle milling spindle, comprising:

[0006] Base plate;

[0007] A first mounting frame, the first mounting frame is rotatably disposed on one side of the bottom plate;

[0008] a second mounting frame, the second mounting frame being rotatably disposed on the first mounting frame;

[0009] a main shaft, the main shaft being arranged on the second mounting frame;

[0010] A driving member is arranged on the other side of the base plate, and the driving member is drivingly connected to the main shaft to drive the main shaft to rotate.

[0011] Optionally, the second mounting frame has a first cavity, one end of the main shaft is arranged in the first cavity, and the other end of the main shaft extends out of the first cavity.

[0012] Optionally, the first mounting frame is U-shaped, has a connecting plate and two opposite first side plates and a second side plate, and further includes:

[0013] A first transmission wheel, the first transmission wheel is rotatably disposed on the connecting plate, and the driving member drives the first transmission wheel to rotate;

[0014] A second transmission wheel, the second transmission wheel is rotatably disposed on the first side plate, and the second transmission wheel is meshedly connected with the first transmission wheel;

[0015] a third transmission wheel, the third transmission wheel being coaxially arranged on the second transmission wheel and extending into the first cavity;

[0016] A fourth transmission wheel is arranged at one end of the main shaft, the fourth transmission wheel is located in the first cavity, and is transmission-connected with the third transmission wheel.

[0017] Optionally, the first transmission wheel, the second transmission wheel, the third transmission wheel, and the fourth transmission wheel are all threaded bevel gears.

[0018] Optionally, the first mounting frame has a plurality of positioning holes, and further comprises:

[0019] A sleeve, wherein the sleeve is arranged on the bottom plate;

[0020] A positioning pin, the positioning pin having a first protrusion, and the positioning pin is slidably disposed in the sleeve;

[0021] An elastic member, one end of which abuts against the first protrusion, and the other end of which abuts against the sleeve, wherein the elastic member provides elastic force for the positioning pin to approach the first mounting plate.

[0022] Optionally, the second side plate has a first slide groove, the second mounting frame has a second protrusion, and the second protrusion is slidably disposed in the first slide groove, further comprising:

[0023] A fastener is arranged on the second protrusion and is used to limit the position of the second mounting bracket.

[0024] Optionally, a side of the second side plate away from the first side plate has a dial, and one end of the second mounting frame has a pointer, and the pointer points to the dial.

[0025] Optionally, the positioning holes are evenly distributed along the central circumference of the first mounting frame.

[0026] Optionally, the first side plate has a second cavity, the second transmission wheel is rotatably disposed in the second cavity, and the connecting plate has a third cavity, the first transmission wheel is rotatably disposed in the third cavity.

[0027] The working principle and beneficial effects of the utility model are:

[0028] 1. In the utility model, the multi-angle milling spindle includes a base plate, a first mounting frame, a second mounting frame, a spindle and a driving member, and each part works together to achieve multi-angle adjustment and precise rotation of the spindle. The base plate serves as the basic supporting component of the entire device and is firmly connected to the machine tool bed or other supporting structures. The first mounting frame is rotatably set on the base plate, and the first mounting frame must have good rigidity to facilitate carrying subsequent components and ensure the stability of the spindle operation. The second mounting frame is rotatably set on the first mounting frame, and the second mounting frame can adjust the angle independently of the first mounting frame. The spindle is installed on the second mounting frame, and the front end of the spindle is equipped with a tool clamping device, and different types of milling cutters can be replaced according to processing requirements. The driving member is arranged on the other side of the base plate to drive the spindle to rotate. By controlling the operation of the driving member, the start, stop and speed adjustment of the spindle can be achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] The preferred implementation modes will be described below in a clear and understandable manner with reference to the accompanying drawings to further illustrate the above-mentioned characteristics, technical features, advantages and implementation methods of the present utility model.

[0030] Figure 1 It is a schematic diagram of the structure of the utility model;

[0031] Figure 2 This is a cross-sectional view of the structure of the utility model;

[0032] In the figure: 1, bottom plate, 2, first mounting frame, 3, second mounting frame, 4, main shaft, 5, driving member, 301, first cavity, 201, first side plate, 202, second side plate, 203, connecting plate, 6, first transmission wheel, 7, second transmission wheel, 8, third transmission wheel, 9, fourth transmission wheel, 204, positioning hole, 101, sleeve, 10, positioning pin, 1001, first protrusion, 11, elastic member, 2021, first slide groove, 302, second protrusion, 12, fastener, 2022, dial, 303, pointer, 2012, second cavity, 2031, third cavity. DETAILED DESCRIPTION

[0033] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the specific implementation methods of the utility model will be described below with reference to the accompanying drawings. Obviously, the accompanying drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings and other implementation methods can be obtained based on these drawings without creative work.

[0034] In order to simplify the drawings, only the parts related to the utility model are schematically shown in each figure, and they do not represent the actual structure of the product. In addition, in order to simplify the drawings and facilitate understanding, in some figures, only one of the parts with the same structure or function is schematically shown, or only one of them is marked. In this article, "one" not only means "only one", but also means "more than one", and "several" includes "two" and "more than two".

[0035] In this article, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0036] In addition, in the description of the present application, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0037] Reference Figure 1~Figure 2 , which is the first embodiment of the utility model, proposes a multi-angle milling spindle, including a base plate 1; a first mounting frame 2 is rotatably arranged on one side of the base plate 1; a second mounting frame 3 is rotatably arranged on the first mounting frame 2; a spindle 4 is arranged on the second mounting frame 3; a driving member 5 is arranged on the other side of the base plate 1, and the driving member 5 is transmission-connected to the spindle 4 for driving the spindle 4 to rotate.

[0038] In this embodiment, the multi-angle milling spindle 4 includes a base plate 1, a first mounting frame 2, a second mounting frame 3, a spindle 4 and a driving member 5, and each part works together to achieve multi-angle adjustment and precise rotation of the spindle 4. The base plate 1 is used as the basic supporting component of the entire device and is firmly connected to the machine tool bed or other supporting structures. The first mounting frame 2 is rotatably set on the base plate 1, and the first mounting frame 2 must have good rigidity to facilitate carrying subsequent components and ensure the stability of the spindle 4. The second mounting frame 3 is rotatably set on the first mounting frame 2, and the second mounting frame 3 can be adjusted independently of the first mounting frame 2. The spindle 4 is mounted on the second mounting frame 3, and the front end of the spindle 4 is equipped with a tool clamping device, and different types of milling cutters can be replaced according to processing requirements. The driving member 5 is arranged on the other side of the base plate 1 to drive the spindle 4 to rotate. By controlling the operation of the driving member 5, the start, stop and speed adjustment of the spindle 4 can be achieved.

[0039] The multi-angle milling spindle of this embodiment is able to realize flexible adjustment and precise rotation of the spindle 4 in multiple directions through the multi-stage rotation structure of the base plate 1, the first mounting frame 2, the second mounting frame 3, and the precise transmission connection with the driving member 5, so as to adapt to the milling processing requirements of various complex angles and enhance the processing capability of the machine tool.

[0040] Furthermore, the second mounting frame 3 has a first cavity 301 , one end of the main shaft 4 is disposed in the first cavity 301 , and the other end of the main shaft 4 extends out of the first cavity 301 .

[0041] In this embodiment, the first cavity 301 of the second mounting frame 3 provides precise support and protection for the spindle 4. One end of the spindle 4 rotates stably in the first cavity 301, and the other end extends out of the first cavity 301 for installing a cutting tool, thereby achieving high precision, high stability and good tool replacement convenience for the spindle 4 under multi-angle adjustment, further improving the efficiency and quality of milling processing.

[0042] Furthermore, the first mounting frame 2 is U-shaped, having a connecting plate 203 and two opposite first side plates 201 and a second side plate 202, and also includes a first transmission wheel 6, which is rotatably set on the connecting plate 203, and the driving member 5 drives the first transmission wheel 6 to rotate; the second transmission wheel 7 is rotatably set on the first side plate 201, and the second transmission wheel 7 is meshingly connected with the first transmission wheel 6; the third transmission wheel 8 is coaxially set on the second transmission wheel 7, and the third transmission wheel 8 extends into the first cavity 301; the fourth transmission wheel 9 is set at one end of the main shaft 4, and the fourth transmission wheel 9 is located in the first cavity 301, and is transmission-connected to the third transmission wheel 8.

[0043] In this embodiment, the first mounting frame 2 is designed as a U-shaped structure, which is composed of two opposite first side plates 201 and second side plates 202 and a connecting plate 203 connecting the two. The U-shaped first mounting frame 2 not only provides enough space to install the transmission system, but also ensures the stability of the overall structure. The transmission system is integrated through the U-shaped first mounting frame 2, and the first transmission wheel 6 is used as the driving wheel in the transmission chain, and its rotation speed and direction are controlled by the driving member 5. The second transmission wheel 7 rotates synchronously under the drive of the first transmission wheel 6. The third transmission wheel 8 is coaxially arranged with the second transmission wheel 7, and the third transmission wheel 8 is arranged in the first cavity 301. The fourth transmission wheel 9 is directly mounted on one end of the main shaft 4, located in the first cavity 301, and the fourth transmission wheel 9 drives the main shaft 4 to rotate under the drive of the third transmission wheel 8. The compact arrangement and reasonable structural design of the transmission system not only ensure the high precision and stability of the rotation of the main shaft 4, but also facilitate maintenance and overhaul, further improve the efficiency and quality of milling processing, and make the multi-angle milling spindle highly flexible.

[0044] Furthermore, the first transmission wheel 6, the second transmission wheel 7, the third transmission wheel 8, and the fourth transmission wheel 9 are all threaded bevel gears.

[0045] In this embodiment, the first transmission wheel 6, the second transmission wheel 7, the third transmission wheel 8 and the fourth transmission wheel 9 are all threaded bevel gears. This design allows the transmission wheels to transmit power through the meshing of gear teeth, has the characteristics of accurate transmission ratio, strong load-bearing capacity, stable transmission, low noise, etc., and can effectively improve the accuracy and stability of the rotation of the main shaft 4.

[0046] Furthermore, the first mounting frame 2 has a plurality of positioning holes 204 and also includes a sleeve 101, which is arranged on the base plate 1; the positioning pin 10 has a first protrusion 1001, and the positioning pin 10 is slidably arranged in the sleeve 101; one end of the elastic member 11 abuts against the first protrusion 1001, and the other end of the elastic member 11 abuts against the sleeve 101, and the elastic member 11 provides elastic force for the positioning pin 10 to approach the first mounting plate.

[0047] In this embodiment, a plurality of positioning holes 204 are provided on the first mounting frame 2, and a sleeve 101 is provided on the bottom plate 1. The positioning pin 10 is slidably arranged in the sleeve 101, and a first protrusion 1001 is provided on the positioning pin 10, which abuts against one end of the elastic member 11. The other end of the elastic member 11 abuts against the sleeve 101, providing elastic force for the positioning pin 10 to approach the first mounting plate. This design enables the first mounting frame 2 to be quickly and accurately fixed by inserting the positioning pin 10 into the corresponding positioning hole 204 after sliding to adjust the angle. At the same time, the elastic force provided by the elastic member 11 helps to maintain good contact between the positioning pin 10 and the positioning hole 204, enhances the fixing stability, and makes the multi-angle milling spindle highly flexible.

[0048] Furthermore, the second side plate 202 has a first slide groove 2021 , the second mounting frame 3 has a second protrusion 302 , the second protrusion 302 is slidably arranged in the first slide groove 2021 , and also includes a fastener 12 , the fastener 12 is arranged on the second protrusion 302 , and is used to limit the position of the second mounting frame 3 .

[0049] In this embodiment, a first slide groove 2021 is provided on the second side plate 202, and a second protrusion 302 is provided on the second mounting frame 3. The second protrusion 302 is slidably set in the first slide groove 2021, and the fastener 12 is set on the second protrusion 302. When the second mounting frame 3 completes the angle adjustment relative to the second side plate 202, the fastener 12 is used to limit the position of the second mounting frame 3 to prevent it from shaking or loosening during operation, thereby ensuring the stability of the rotation of the main shaft 4 and the processing accuracy.

[0050] Furthermore, a dial 2022 is provided on a side of the second side plate 202 away from the first side plate 201 , and a pointer 303 is provided at one end of the second mounting frame 3 , and the pointer 303 points to the dial 2022 .

[0051] In this embodiment, a dial 2022 is provided on the side of the first side plate 201 away from the second side plate 202, and a pointer 303 is provided at one end of the second mounting frame 3, and the pointer 303 points to the dial 2022. When the second mounting frame 3 adjusts the angle, the pointer 303 moves on the dial 2022 accordingly, and the current adjustment angle is intuitively displayed, which is convenient for the operator to accurately control the angle of the second mounting frame 3, and further improves the accuracy and convenience of the multi-angle adjustment of the main shaft 4.

[0052] Furthermore, the positioning holes 204 are evenly distributed along the central circumference of the first mounting frame 2 .

[0053] In this embodiment, the positioning holes 204 are evenly distributed along the central circumference of the first mounting frame 2, so that when the first mounting frame 2 is adjusted, no matter which angle is selected, the corresponding positioning holes 204 can be found for fixation, ensuring the flexibility and diversity of the angle adjustment of the first mounting frame 2.

[0054] Furthermore, the first side plate 201 has a second cavity 2012 , and the second transmission wheel 7 is rotatably disposed in the second cavity 2012 . The connecting plate 203 has a third cavity 2031 , and the first transmission wheel 6 is rotatably disposed in the third cavity 2031 .

[0055] In this embodiment, the first side plate 201 is provided with a second cavity 2012, and the second transmission wheel 7 is rotatably disposed in the second cavity 2012; the connecting plate 203 is provided with a third cavity 2031, and the first transmission wheel 6 is rotatably disposed in the third cavity 2031. This cavity structure design hides part of the transmission system in the cavity, which is not only conducive to protecting the transmission components, reducing the intrusion of dust and cutting fluid, and extending the service life of the transmission system, but also conducive to the appearance of the equipment.

[0056] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A multi-angle milling spindle, characterized in that: include: Bottom plate (1); A first mounting frame (2), the first mounting frame (2) being rotatably arranged on one side of the base plate (1); a second mounting frame (3), the second mounting frame (3) being rotatably arranged on the first mounting frame (2); A main shaft (4), the main shaft (4) being arranged on the second mounting frame (3); A driving member (5), the driving member (5) being arranged on the other side of the base plate (1), the driving member (5) being in driving connection with the main shaft (4) and being used for driving the main shaft (4) to rotate.

2. A multi-angle milling spindle according to claim 1, characterized in that: The second mounting frame (3) has a first cavity (301), one end of the main shaft (4) is arranged in the first cavity (301), and the other end of the main shaft (4) protrudes out of the first cavity (301).

3. A multi-angle milling spindle according to claim 2, characterized in that: The first mounting frame (2) is U-shaped, having a connecting plate (203) and two opposite first side plates (201) and a second side plate (202), and further comprising: a first transmission wheel (6), the first transmission wheel (6) being rotatably disposed on the connecting plate (203), and the driving member (5) driving the first transmission wheel (6) to rotate; a second transmission wheel (7), the second transmission wheel (7) being rotatably disposed on the first side plate (201), the second transmission wheel (7) being meshingly connected with the first transmission wheel (6); a third transmission wheel (8), the third transmission wheel (8) being coaxially arranged on the second transmission wheel (7), the third transmission wheel (8) extending into the first cavity (301); A fourth transmission wheel (9), the fourth transmission wheel (9) being arranged at one end of the main shaft (4), the fourth transmission wheel (9) being located in the first cavity (301) and being transmission-connected to the third transmission wheel (8).

4. A multi-angle milling spindle according to claim 3, characterized in that: The first transmission wheel (6), the second transmission wheel (7), the third transmission wheel (8) and the fourth transmission wheel (9) are all threaded bevel gears.

5. The multi-angle milling spindle according to claim 1, characterized in that: The first mounting frame (2) has a plurality of positioning holes (204) and further comprises: A sleeve (101), wherein the sleeve (101) is arranged on the base plate (1); A positioning pin (10), the positioning pin (10) having a first protrusion (1001), the positioning pin (10) being slidably disposed in the sleeve (101); An elastic member (11), one end of the elastic member (11) abutting against the first protrusion (1001), and the other end of the elastic member (11) abutting against the sleeve (101), the elastic member (11) providing elastic force for the positioning pin (10) to approach the first mounting frame (2).

6. A multi-angle milling spindle according to claim 4, characterized in that: The second side plate (202) has a first slide groove (2021), the second mounting frame (3) has a second protrusion (302), and the second protrusion (302) is slidably disposed in the first slide groove (2021), and further comprises: A fastener (12), the fastener (12) being arranged on the second protrusion (302) and being used to limit the position of the second mounting frame (3).

7. The multi-angle milling spindle according to claim 3, characterized in that: The second side plate (202) has a dial (2022) on a side away from the first side plate (201), and the second mounting frame (3) has a pointer (303) at one end, the pointer (303) pointing to the dial (2022).

8. The multi-angle milling spindle according to claim 5, characterized in that: The positioning holes (204) are evenly distributed along the central circumference of the first mounting frame (2).

9. The multi-angle milling spindle according to claim 3, characterized in that: The first side plate (201) has a second cavity (2012), the second transmission wheel (7) is rotatably disposed in the second cavity (2012), and the connecting plate (203) has a third cavity (2031), the first transmission wheel (6) is rotatably disposed in the third cavity (2031).

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