A gas-liquid transmission device of a double-swing milling head and a high-precision five-axis linkage double-swing milling head

Abstract

The application discloses a gas-liquid transmission device of a double-swing milling head, which comprises a C-shaft module, an A-shaft module and a main shaft module. Torque motors are arranged between the C-shaft module and the A-shaft module and between the A-shaft module and the main shaft module, and the C-shaft module and the A-shaft module are provided with rotating shafts directly driven by the torque motors. An input interface is arranged on one side of the C-shaft module, and a rotating distributor with a plurality of gas-liquid transmission channels is arranged in the C-shaft module and the A-shaft module. The gas-liquid transmission channel of the C-shaft module is communicated with the gas-liquid transmission channel of the A-shaft module through a plurality of first transmission hidden passages. The main shaft module is provided with a first outlet and a second outlet, and the first outlet and the second outlet are communicated with the gas-liquid transmission channel of the A-shaft module through a plurality of second transmission hidden passages, and the first outlet and the second outlet are used for outputting gas or liquid. The application utilizes the rotating distributor to realize the conduction of gas and liquid, and effectively avoids the damage of the gas-liquid conduit compared with the prior art.

Description

TECHNICAL FIELD

[0001] The present disclosure relates to the technical field of milling heads, in particular to a gas-liquid transmission device of a double-swing milling head and a high-precision five-axis linkage double-swing milling head. BACKGROUND

[0002] The milling head is prone to generate a large amount of heat and waste during work, so gas-liquid conduction needs to be conducted on the milling head to avoid this situation. The existing technology sets the pipe for gas-liquid conduction outside the milling head, which is easy to cause damage to the pipe; some milling heads set the pipe inside the milling head, but since the internal components of the milling head need to rotate, it is easy to cause the pipe to be wound and then broken. In order to prevent the above situation from occurring, we propose a gas-liquid transmission device of a double-swing milling head to solve a series of problems. SUMMARY

[0003] In view of the above defects or deficiencies in the prior art, it is desirable to provide a gas-liquid transmission device of a double-swing milling head that avoids damage to the gas-liquid pipe.

[0004] In a first aspect, the present application provides a gas-liquid transmission device of a double-swing milling head, comprising: a C-axis module, an A-axis module and a spindle module; the C-axis module, the A-axis module and the spindle module are internally provided with a rotating shaft; a torque motor is arranged between the C-axis module and the A-axis module, and between the A-axis module and the spindle module; the driving end of the C-axis module torque motor is connected with the rotating shaft of the C-axis module; the driving end of the A-axis module is connected with the rotating shaft of the A-axis module;

[0005] The C-axis module has an input interface on the side away from the A-axis module;

[0006] The A-axis module and the C-axis module are internally provided with a rotating distributor; a plurality of gas-liquid transmission channels are formed in the rotating distributor; the gas-liquid transmission channels of the C-axis module are communicated with the gas-liquid transmission channels of the A-axis module through a plurality of first transmission tunnels;

[0007] The spindle module has a first pipe and a second pipe; the first pipe and the second pipe are respectively communicated with the gas-liquid transmission channels of the A-axis module through a plurality of second transmission tunnels; the free end of the first pipe forms a first outlet; the free end of the second pipe forms a second outlet; the first outlet and the second outlet are used for outputting gas or liquid.

[0008] According to the technical scheme provided by the embodiment of the present application, the rotating distributor comprises:

[0009] A rotating member, a plurality of gas-liquid transmission grooves are formed on the inner side of the rotating member along the circumferential direction thereof;

[0010] A fixing member is provided with a plurality of gas-liquid transmission channels corresponding to the gas-liquid transmission grooves; one end of the gas-liquid transmission channel of the C-axis module is communicated with the input interface, and the other end is communicated with the corresponding gas-liquid transmission groove in the radial direction, forming a plurality of gas-liquid transmission channels.

[0011] According to the technical scheme provided by the embodiment of the application, the gas-liquid transmission groove is provided with a gas-liquid output port; the gas-liquid output port of the C-axis module is communicated with the first transmission tunnel one by one; the gas-liquid output port of the A-axis module is communicated with the second transmission tunnel one by one.

[0012] According to the technical scheme provided by the embodiment of the application, a sealing groove is arranged between adjacent gas-liquid transmission grooves.

[0013] According to the technical scheme provided by the embodiment of the application, one end of the main shaft module has a milling cutter mounting surface; a milling cutter mounting portion is arranged at the position of the central axis of the milling cutter mounting surface.

[0014] According to the technical scheme provided by the embodiment of the application, the first outlet is arranged at the central position of the milling cutter mounting portion; the second outlet is arranged outside the milling cutter mounting portion.

[0015] According to the technical scheme provided by the embodiment of the application, the torque motor includes a motor stator and a motor rotor arranged thereon; the rotating member is fixed to the motor rotor through a first connecting portion.

[0016] According to the technical scheme provided by the embodiment of the application, the rotating shaft of the C-axis module is engaged and connected with the rotating shaft of the A-axis module through a second connecting portion; the rotating shaft of the A-axis module is engaged and connected with the rotating shaft of the main shaft module through a second connecting portion.

[0017] In the second aspect, the application provides a high-precision five-axis linkage double-swing milling head, which comprises the gas-liquid transmission device of the double-swing milling head.

[0018] In summary, the technical scheme specifically discloses a kind of gas-liquid transmission device of double swing milling head, and the present application specifically includes C shaft module, A shaft module and main shaft module.C shaft module and A shaft module, A shaft module and main shaft module between them are provided with torque motor;C shaft module, A shaft module inside are provided with rotating shaft directly driven by torque motor.C shaft module side is provided with input interface, and C shaft module and A shaft module inside are provided with rotating distributor with several gas-liquid transmission channels.C shaft module gas-liquid transmission channel is communicated with the gas-liquid transmission channel of A shaft module by several first transmission tunnels.Main shaft module has first conduit and second conduit, and first conduit and second conduit are communicated with the gas-liquid transmission channel of A shaft module by several second transmission tunnels;The free end of first conduit forms first outlet, and the free end of second conduit forms second outlet, and first outlet and second outlet are used to output gas or liquid.The present application realizes the conduction of gas-liquid by rotating distributor, and gas-liquid is input into the gas-liquid transmission channel of C shaft module by input interface, and is transmitted to the gas-liquid transmission channel of A shaft module by gas-liquid output port, and then gas-liquid is output by first outlet and second outlet from first conduit and second conduit, and finally gas or liquid is output, which effectively avoids the damage of gas-liquid conduit compared with prior art. BRIEF DESCRIPTION OF DRAWINGS

[0019] Other features, objects, and advantages of the present application will become more apparent from the following detailed description of non-limiting embodiments made with reference to the drawings:

[0020] Figure 1 It is a sectional view of a gas-liquid transmission device of a double swing milling head.

[0021] Figure 2 It is a partial sectional view of a rotating distributor.

[0022] Figure number: 1, C shaft module;2, A shaft module;3, main shaft module;4, rotating distributor;5, first conduit;6, second conduit;7, main rotating shaft;8, second connecting part;9, rotating part;10, gas-liquid transmission groove;11, fixed part;12, gas-liquid transmission passage;13, input interface;14, sealing groove;15, milling cutter mounting part;16, motor rotor;17, first connecting part;18, motor stator. DETAILED DESCRIPTION

[0023] The present application will be further described in detail below with reference to the drawings and examples.It can be understood that the specific embodiments described herein are only used to explain the related invention, and not limited to the invention.In addition, it should be noted that, for the convenience of description, only the parts related to the invention are shown in the drawings.

[0024] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0025] Embodiment one

[0026] Please refer to Figure 1 The structure diagram of the first embodiment of the gas-liquid transmission device of a double swing milling head is shown in Figure 1, which comprises a C-axis module 1, an A-axis module 2 and a main shaft module 3; the C-axis module, the A-axis module and the main shaft module; the C-axis module 1, the A-axis module 2 and the main shaft module 3 are internally provided with rotating shafts 7; torque motors are arranged between the C-axis module 1 and the A-axis module 2 and between the A-axis module 2 and the main shaft module 3; the driving end of the torque motor of the C-axis module 1 is connected with the rotating shaft 7 of the C-axis module 1; the driving end of the torque motor of the A-axis module 2 is connected with the rotating shaft of the A-axis module 2;

[0027] The C-axis module 1 has an input interface 13 on the side away from the A-axis module 2.

[0028] The A-axis module 2 and the C-axis module 1 are internally provided with rotating distributors 4; a plurality of gas-liquid transmission channels are formed in the rotating distributors 4; the gas-liquid transmission channels of the C-axis module 1 are communicated with the gas-liquid transmission channels of the A-axis module 2 through a plurality of first transmission hidden passages;

[0029] The main shaft module 3 has a first conduit 5 and a second conduit 6; the first conduit 5 and the second conduit 6 are respectively communicated with the gas-liquid transmission channels of the A-axis module 2 through a plurality of second transmission hidden passages; the free end of the first conduit 5 forms a first outlet; the free end of the second conduit 6 forms a second outlet; the first outlet and the second outlet are used for outputting gas or liquid.

[0030] In this embodiment, as shown in Figure 1 The C-axis module 1, the A-axis module 2 and the main shaft module 3 are internally provided with rotating shafts 7, and torque motors are arranged between the C-axis module 1 and the A-axis module 2 and between the A-axis module 2 and the main shaft module 3, respectively used for directly driving the rotating shafts in the C-axis module 1 and the rotating shafts in the A-axis module 2 to rotate; here, the rotating shafts are directly driven by torque motors without using gears and worm gears.

[0031] The torque motor of the C-axis module 1 can drive the A-axis module 2 to rotate relative to the C-axis module 1; the torque motor of the A-axis module 2 can drive the main shaft module 3 to rotate relative to the A-axis module 2.

[0032] The C-axis module 1 has an input interface 13 on the side away from the A-axis module 2, which is used for inputting gas or liquid.

[0033] The A-axis module 2 and the C-axis module 1 are internally provided with a rotary distributor 4 for conducting gas or liquid; the rotary distributor 4 is internally formed with a plurality of gas-liquid transmission channels; the gas-liquid transmission channels of the C-axis module 1 are communicated with the gas-liquid transmission channels of the A-axis module 2 through a plurality of first transmission tunnels, for transmitting the gas-liquid of the C-axis module 1 to the A-axis module 2.

[0034] The main shaft module 3 is provided with a first conduit 5 and a second conduit 6 for conducting gas-liquid to the milling head; the first conduit 5 and the second conduit 6 are respectively communicated with the gas-liquid transmission channels of the A-axis module 2 through a plurality of second transmission tunnels, for receiving the gas-liquid of the A-axis module 2; the free end of the first conduit 5 forms a first outlet; the free end of the second conduit 6 forms a second outlet; the first outlet and the second outlet are used for outputting gas or liquid.

[0035] As shown in Figure 2 , in particular, the rotary distributor 4 comprises: a rotary part 9, the inner side of which is provided with a plurality of gas-liquid transmission grooves 10 along the circumference thereof, for forming gas-liquid transmission spaces;

[0036] a fixed part 11, which is provided with a plurality of gas-liquid transmission passages 12 corresponding to the gas-liquid transmission grooves 10; one end of the gas-liquid transmission passage 12 of the C-axis module 1 is communicated with the input interface 13, and the other end is radially communicated with the corresponding gas-liquid transmission groove 10, for forming a plurality of gas-liquid transmission channels, which can transmit gas-liquid to the inside of the rotary distributor.

[0037] Among them, the gas-liquid transmission groove 10 is provided with a gas-liquid outlet; the gas-liquid outlet of the C-axis module 1 is communicated with the first transmission tunnel one by one, for transmitting the gas-liquid of the C-axis module 1 to the A-axis module 2; the gas-liquid outlet of the A-axis module 2 is communicated with the second transmission tunnel one by one, for transmitting the gas-liquid of the C-axis module 1 to the main shaft module 3.

[0038] As shown in Figure 1 , a sealing groove 14 is arranged between adjacent gas-liquid transmission grooves 10, for realizing the sealing between adjacent two gas-liquid transmission channels, so that each gas-liquid transmission channel can exist independently.

[0039] As shown in Figure 1 , one end of the main shaft module 3 has a milling cutter mounting surface; the milling cutter mounting surface is provided with a milling cutter mounting part 15 at the position of the central axis, for mounting the milling cutter.

[0040] Among them, the first outlet is arranged at the center position of the milling cutter mounting part 15, and the second outlet is arranged outside the milling cutter mounting part 15, for outputting gas-liquid to the milling head, cooling and cleaning the milling head.

[0041] As shown in Figure 1As shown, the torque motor specifically comprises: a motor stator 18 and a motor rotor 16 arranged thereon; the rotating part 9 is fixed on the motor rotor 16 through a first connecting part 17 for driving the rotating part 9 to rotate, here, the type of the torque motor, for example, is a torque motor, the type of which, for example, is an alternating current torque motor, the model of which, for example, is YLJ80-2-6; the type of the first connecting part, for example, is a bolt.

[0042] As shown in Figure 1 As shown, the C-axis module 1 and the A-axis module 2 are engaged and connected through a second connecting part 8; the rotating shaft 7 inside the A-axis module 2 and the main shaft module 3 are also engaged and connected through the second connecting part 8, here, the type of the second connecting part, for example, is a bevel gear.

[0043] Embodiment two

[0044] A high-precision five-axis linkage double-swing milling head, comprising: the gas-liquid transmission device of the double-swing milling head according to the embodiment one, realizing the transmission of gas and liquid.

[0045] The above description is only the preferred embodiment of the present application and the explanation of the applied technical principles. It should be understood by those skilled in the art that the scope of the application involved in the present application is not limited to the technical solutions formed by the specific combination of the above technical features, and should also cover other technical solutions formed by the combination of the above technical features or their equivalent features without departing from the inventive concept. For example, the technical solutions formed by the mutual replacement of the above features and the technical features disclosed in the present application (but not limited to) having similar functions.

Claims

1. A gas-liquid transmission device for a double-swing milling head, characterized in that, include: The C-axis module (1), A-axis module (2), and spindle module (3) are all equipped with a rotating shaft (7). A torque motor is provided between the C-axis module (1) and the A-axis module (2), and between the A-axis module (2) and the spindle module (3). The drive end of the torque motor of the C-axis module (1) is connected to the rotating shaft of the C-axis module (1). The drive end of the torque motor of the A-axis module (2) is connected to the rotating shaft of the A-axis module (2). The C-axis module (1) has an input interface (13) on the side away from the A-axis module (2). Both the A-axis module (2) and the C-axis module (1) are equipped with a rotary distributor (4); the rotary distributor (4) has several gas-liquid transmission channels; the gas-liquid transmission channel of the C-axis module (1) is connected to the gas-liquid transmission channel of the A-axis module (2) through several first transmission channels, for transmitting the gas and liquid of the C-axis module (1) to the A-axis module (2). The main spindle module (3) has a first conduit (5) and a second conduit (6); the first conduit (5) and the second conduit (6) are respectively connected to the gas-liquid transmission channel of the A-axis module (2) through a plurality of second transmission channels; the free end of the first conduit (5) forms a first outlet; the free end of the second conduit (6) forms a second outlet; the first outlet and the second outlet are used to output gas or liquid; The rotary distributor (4) includes: a rotating component (9), which has a plurality of gas-liquid transmission grooves (10) on its inner side along its circumference. The fixing member (11) has several gas-liquid transmission passages (12) corresponding to the gas-liquid transmission grooves (10); one end of the gas-liquid transmission passage (12) of the C-axis module (1) is connected to the input interface (13), and the other end is radially connected to the corresponding gas-liquid transmission grooves (10) to form several gas-liquid transmission channels; one end of the spindle module (3) has a milling cutter mounting surface; a milling cutter mounting part (15) is provided at the central axis position of the milling cutter mounting surface.

2. The gas-liquid transmission device for a double-swing milling head as described in claim 1, characterized in that, The gas-liquid transmission groove (10) is provided with a gas-liquid output port; the gas-liquid output port of the C-axis module (1) is connected to the first transmission channel in a one-to-one correspondence; the gas-liquid output port of the A-axis module (2) is connected to the second transmission channel in a one-to-one correspondence.

3. The gas-liquid transmission device for a double-swing milling head as described in claim 2, characterized in that a sealing groove (14) is provided between adjacent gas-liquid transmission grooves (10).

4. The gas-liquid transmission device for a double-swing milling head as described in claim 1, characterized in that, The milling cutter mounting part (15) has a first outlet at its center; the milling cutter mounting part (15) has a second outlet on its outer ring.

5. The gas-liquid transmission device for a double-swing milling head as described in claim 1, characterized in that, The torque motor includes: a motor stator (18) on which a motor rotor (16) is disposed; the rotating part (9) is fixed to the motor rotor (16) through a first connecting part (17).

6. The gas-liquid transmission device for a double-swing milling head as described in claim 1, characterized in that, The rotating shaft (7) of the C-axis module (1) and the rotating shaft (7) of the A-axis module (2) are engaged and connected by a second connecting part (8); the rotating shaft (7) of the A-axis module (2) and the rotating shaft (7) of the spindle module (3) are engaged and connected by a second connecting part (8).

7. A high-precision five-axis linkage double-swing milling head, characterized in that, include: A gas-liquid transmission device for a double-swing milling head according to any one of claims 1 to 6.

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