TWM589603U - Machining spindle with clean structure - Google Patents

Abstract

This creation provides a machining spindle with a clean structure, which includes: a spindle assembly and a distribution shaft, the spindle assembly has a spindle sleeve, a tie rod and a clamping jaw, the tie rod and the clamping jaw are arranged inside the spindle sleeve, and one end of the tie rod The clamping jaw is connected with a tool receiving hole at one end of the main shaft sleeve. The main shaft sleeve is provided with a main liquid channel and a liquid outlet hole that communicate with each other, and the liquid outlet hole communicates with the tool receiving hole; Tolerance; the distribution shaft is provided with an air inlet and a liquid inlet at intervals, the air inlet and the liquid inlet are not connected to each other, the air inlet is connected to the main air passage, and the liquid inlet is connected to the main liquid passage; thereby, through the liquid Clean the tool with gas to prevent dust or machining debris from affecting the internal components of the spindle assembly or machining accuracy.

Description

Processing spindle with clean structure

This creation is about a machining spindle, especially a machining spindle with a clean structure.

In order to carry out various processing operations, the processing machine will be equipped with a tool magazine and a tool change mechanism for the spindle to replace the tools according to different processing needs.

The main shaft of the general processing machine is connected to the clamping jaws by the tie rods installed on the main shaft, and the clamping jaws hold the tool to drive the tool to rotate at high speed to process the workpiece. After the processing is completed, if the tool needs to be replaced for subsequent processing, Then the tool change process is carried out.

However, when replacing the tool, dust or machining debris floating in the air is likely to enter the interior of the spindle through the shaft hole of the spindle. When the dust or machining debris enters the interior of the spindle, it may affect the precision of the tie rod installation, which in turn affects Processing accuracy, even when the spindle rotates at high speed, dust or machining debris may damage the components inside the spindle.

In order to solve the above-mentioned problems, this creation provides a machining spindle with a clean structure, through liquid and gas cleaning tools, to avoid dust or machining debris affecting the spindle internal components or machining accuracy.

An embodiment of the present invention provides a machining spindle with a clean structure, which includes: a spindle assembly having a spindle sleeve, a tie rod and a clamping jaw, the tie rod and the clamping jaw are disposed inside the spindle sleeve, and one end of the tie rod is connected The clamping jaw, one end of the spindle sleeve has a tool receiving hole, the spindle sleeve is provided with a main liquid channel and a liquid outlet hole that communicate with each other, the liquid outlet hole communicates with the tool receiving hole; the pull rod is provided with a main air channel, and the main air channel connects the tool container Holes; and a distribution shaft, which is provided with an air inlet and a liquid inlet at intervals, the air inlet and the liquid inlet are not in communication with each other, the air inlet is in communication with the main air passage, and the liquid inlet is in communication with the main liquid passage.

Through the above, this creation is connected to the main liquid channel of the main shaft through the liquid inlet of the distribution shaft, and the surface of the tool is cleaned by liquid; the main air channel of the tie rod is connected through the air inlet of the distribution shaft, and the gas is sprayed to clean the tool to remove Dust or machining debris on the surface of the tool is sprayed, while ensuring that the tool surface is free of water droplets; thereby avoiding dust or machining debris affecting the internal components of the spindle assembly or machining accuracy.

In an embodiment of the present invention, the pull rod drives the clamping jaws to move the cutting tool between a first cleaning position and a second cleaning position; in the first cleaning position, the liquid passes from the liquid inlet through the main liquid passage and from the liquid The hole is sprayed to the cutter; in the second cleaning position, the gas is sprayed from the intake passage to the cutter through the main air passage, wherein, in the first cleaning position, the cutter is separated from the cutter receiving hole by a first distance; in the second cleaning position, the cutter A second distance away from the tool hole, the first distance is greater than the second distance; thereby, in the second cleaning position, the distance between the tool and the tool hole is reduced to effectively increase the air jet effect, therefore, this creation can be different according to In the cleaning state, adjust the distance between the tool and the tool hole to effectively improve the cleaning effect.

In order to facilitate the explanation of the central idea expressed in the column of the above-mentioned new content, the specific embodiment is hereby expressed. In the embodiments, various objects are drawn according to the proportion, size, deformation or displacement suitable for description, rather than drawn according to the proportion of actual elements, which will be described first.

Please refer to Figures 1 to 7, this creation provides a machining spindle with a clean structure, which includes:

A spindle assembly 10 has a spindle sleeve 11, a tie rod 12 and a clamping jaw 13, one end of the spindle sleeve 11 has a taper hole 111 of the taper, the tool hole 111 provides the setting of the tool 1, and the tool hole 111 The taper fits the shape of the tool 1; the spindle sleeve 11 is provided with a shaft hole 112 along its axial direction, and the shaft hole 112 communicates with the tool receiving hole 111; wherein, the side of the spindle sleeve 11 is provided with a main fluid channel 113 along the axial direction of the spindle sleeve 11 Is connected to one of the liquid outlets 114 of the main liquid channel 113, and the liquid outlet 114 communicates with the cutter receiving hole 111. In this creative embodiment, the number of the liquid outlets 114 is plural, and each liquid outlet 114 is spaced and inclined As shown in FIG. 3 and FIG. 4, each liquid outlet 114 is inclined from the upper left to the lower right in the direction of the drawing.

Furthermore, the pull rod 12 and the clamping jaw 13 are disposed in the axial hole 112 of the spindle sleeve 11 along the axial direction of the spindle sleeve 11. The pull rod 12 has a first end 121 and a second end 122 which are oppositely arranged. The end 121 is connected to the clamping jaw 13. The clamping jaw 13 is used to clamp the tool 1; wherein, the pull rod 12 is provided with a main air passage 123 along the axial direction of the main sleeve 11, and the main air passage 123 communicates with the tool receiving hole 111.

A distribution shaft 20 is provided with an air inlet 21 and a liquid inlet 22 at intervals along the axial direction of the main sleeve 11, the air inlet 21 and the liquid inlet 22 are not in communication with each other, and the air inlet 21 and the tie rod 12 are the main The air passage 123 communicates, the liquid inlet 22 communicates with the main liquid passage 113 of the spindle sleeve 11, the air inlet 21 provides gas G to enter, and the liquid inlet 22 provides liquid I to enter; wherein, a side of the distribution shaft 20 is provided with a through hole 23 .

A connecting member 30, which is disposed between the tie rod 12 of the spindle assembly 10 and the distribution shaft 20, is used to connect the distribution shaft 20 with the second end 122 of the tie rod 12; the connecting member 30 has a first portion 31 and a second portion 32, the first part 31 is located outside the spindle sleeve 11, the second part 32 is located in the shaft hole 112 of the spindle sleeve 11, wherein the first part 31 is provided with a first chamber 311, and the second part 32 has a channel 321, the channel 321 is arranged along the axial direction of the main shaft sleeve 11, the first chamber 311 and the channel 321 communicate with each other, and the through hole 23 of the distribution shaft 20 communicates with the first chamber 311 and the main fluid passage 113 of the main shaft sleeve 11. Furthermore, a sealing ring 33 is sleeved on the outer periphery of the second portion 32 of the connecting member 30.

A stopper 40 is sleeved on the outer periphery of the pull rod 12 of the spindle assembly 10, a seal ring 41 is sleeved on the outer periphery of the stopper 40, and a stopper 40 and the connecting member 30 form a first The second chamber 42, the second chamber 42 communicate with the channel 321 of the connecting member 30 and the main liquid passage 113 of the spindle sleeve 11.

A knife cylinder 50 is connected to the pull rod 12 of the spindle assembly 10, and the knife cylinder 50 is used to drive the pull rod 12 to drive the clamping jaw 13 to move the tool 1 between a first cleaning position and a second cleaning position; In a cleaning position, the cutter 1 and the cutter receiving hole 111 are separated by a first distance L1, and the liquid I will be sprayed from the liquid inlet 22 through the main liquid passage 113 to the cutter 1 through each liquid outlet 114, wherein the first distance L1 Is the distance between the outer periphery of the tool 1 and the inner diameter of the tool receiving hole 11; in the second cleaning position, the tool 1 and the tool receiving hole 111 are separated by a second distance L2, and the gas G passes from the air inlet 21 to the main air passage 123 Sprayed to the tool 1, wherein the second distance L2 is the distance between the outer periphery of the tool 1 and the inner diameter of the tool receiving hole 11.

The first distance L1 is greater than the second distance L2. As shown in FIG. 7, when moving from the first cleaning position to the second cleaning position, the gap between the tool 1 and the tool receiving hole 111 is reduced from the first distance L1 to the second distance L2. It is to reduce the area of the air outlet, so as to effectively increase the jet force.

A rotating assembly 60 has a first gear ring 61, a second gear ring 62, a belt 63 and a motor 64. The first gear ring 61 is sleeved on the outer periphery of the spindle sleeve 11, and the second gear ring 62 is connected The motor 64 and the belt 63 are sleeved between the first gear ring 61 and the second gear ring 62. When the motor 64 drives the second gear ring 62 to operate, the belt 63 drives the first gear ring 61 to drive the spindle assembly 10 to rotate.

Please refer to FIG. 1, FIG. 3 and FIG. 4, when the knife cylinder 50 drives the pull rod 12 to drive the clamping jaw 13 to move the tool 1 to the first cleaning position, the liquid I can enter through the liquid inlet 22 and pass through the distribution The through hole 23 of the shaft 20 flows into the first chamber 311 of the connecting member 30, and the liquid I enters the second chamber 42 from the first chamber 311 through the channel 321, and then flows into the main body of the spindle sleeve 11 from the second chamber 42 The liquid channel 113 is sprayed from each liquid outlet 114 to the tool 1 through the main liquid channel 113. At this time, the rotating assembly 60 will drive the spindle assembly 10 to rotate to remove dust or machining debris from the surface of the tool 1.

Please refer to FIG. 1, FIG. 5 to FIG. 7, when the cutter cylinder 50 drives the pull rod 12 to drive the clamping jaw 13 to clamp the tool 1 to move from the first cleaning position to the second cleaning position, the tool 1 and the tool receiving hole The gap 111 is reduced from the first distance L1 to the second distance L2; then, the gas G will be sprayed from the intake passage 21 of the distribution shaft 20 through the main air passage 123 of the tie rod 12 onto the surface of the tool 1, at this time, the rotating assembly 60 will drive The spindle assembly 10 rotates to dry the water droplets on the surface of the tool 1 and spray the surface of the tool 1 completely away from the dust or processing debris that has not been cleaned by the liquid I.

In this way, this work firstly cleans the surface of the tool 1 through the liquid I, and then sprays the dust or processing debris on the surface of the tool 1 with the gas G, while ensuring that the surface of the tool 1 is free of water droplets to avoid dust or processing debris It affects the internal components or machining accuracy of the spindle assembly 10, thereby effectively improving the machining accuracy and the service life of the spindle assembly 10.

Furthermore, this creation can adjust the distance between the cutter 1 and the cutter hole 111 according to different cleaning conditions, so as to effectively improve the cleaning effect.

The above-mentioned embodiments are only used to illustrate this creation, not to limit the scope of this creation. Any modifications or changes that do not violate the spirit of the original creation are within the scope of the original intention of the protection.

1‧‧‧Cutter 10‧‧‧spindle assembly 11‧‧‧Spindle sleeve 111‧‧‧Tool hole 112‧‧‧Shaft hole 113‧‧‧Main channel 114‧‧‧ Outlet 12‧‧‧Tie rod 121‧‧‧The first end 122‧‧‧The second end 123‧‧‧ Main airway 13‧‧‧ gripper 20‧‧‧ Distribution axis 21‧‧‧ Inlet 22‧‧‧Inlet 23‧‧‧Through hole 30‧‧‧Link 31‧‧‧Part 1 311‧‧‧ First room 32‧‧‧Part 2 321‧‧‧channel 33‧‧‧Seal ring 40‧‧‧stop 41‧‧‧Seal ring 42‧‧‧ Second room 50‧‧‧cutter cylinder 60‧‧‧rotating component 61‧‧‧First gear ring 62‧‧‧Second gear ring 63‧‧‧Belt 64‧‧‧Motor L1‧‧‧ First distance L2‧‧‧Second distance I‧‧‧Liquid G‧‧‧gas

Figure 1 is a schematic diagram of the connection between this creation and the driving source. Figure 2 is a schematic diagram of the stereoscopic appearance of this creation. FIG. 3 is a schematic diagram of an embodiment of the present invention in the first cleaning position. Fig. 4 is a partially enlarged schematic view of Fig. 3. FIG. 5 is a schematic diagram of an embodiment of the present invention in the second cleaning position. Fig. 6 is a partially enlarged schematic view of Fig. 5. Figure 7 is a schematic diagram of the first distance and the second distance of the original creation.

1‧‧‧Cutter

10‧‧‧spindle assembly

11‧‧‧Spindle sleeve

111‧‧‧Tool hole

112‧‧‧Shaft hole

113‧‧‧Main channel

114‧‧‧ Outlet

12‧‧‧Tie rod

121‧‧‧The first end

122‧‧‧The second end

123‧‧‧ Main airway

13‧‧‧ gripper

20‧‧‧ Distribution axis

21‧‧‧ Inlet

22‧‧‧Inlet

23‧‧‧Through hole

30‧‧‧Link

31‧‧‧Part 1

311‧‧‧ First room

32‧‧‧Part 2

321‧‧‧channel

33‧‧‧Seal ring

40‧‧‧stop

41‧‧‧Seal ring

42‧‧‧ Second room

61‧‧‧First gear ring

I‧‧‧Liquid

Claims (10)

A machining spindle with a clean structure, including: A spindle assembly has a spindle sleeve, a tie rod and a clamping jaw, the tie rod and the clamp jaw are arranged inside the spindle sleeve, one end of the tie rod is connected to the clamp jaw, and one end of the spindle sleeve has a tool receiving hole, The main shaft sleeve is provided with a main liquid channel and a liquid outlet hole communicating with each other, and the liquid outlet hole communicates with the tool receiving hole; the pull rod is provided with a main air passage through which the main air passage communicates with the tool receiving hole; and A distribution shaft with an air inlet and a liquid inlet spaced at intervals, the air inlet and the liquid inlet are not in communication with each other, the air inlet is in communication with the main air passage, and the liquid inlet is in communication with the main liquid passage . The processing spindle with a clean structure as described in claim 1 further has a connecting member, which is disposed between the tie rod and the distribution shaft and a part of the connecting member is inside the spindle sleeve, and the connecting member has one of communicating with each other A first chamber and a channel; the distribution shaft defines a through hole, the through hole communicates with the main liquid channel and the first chamber. The processing spindle with a clean structure as described in claim 2 further has a stopper, which is sleeved on the pull rod, and the stopper and the connecting piece form a second chamber between the spindle sleeve and the first The two chambers are in communication with the channel and the main liquid channel. The machining spindle with a clean structure according to claim 3, wherein the connecting member has a first part and a second part, the first part is outside the spindle sleeve, and the second part is inside the spindle sleeve, The first chamber is provided in the first part, and the channel is provided in the second part. The processing spindle with a clean structure according to claim 3, wherein the main fluid channel is arranged along the axial direction of the spindle sleeve; the channel is arranged along the axial direction of the spindle sleeve. The machining spindle with a clean structure according to claim 4, wherein a sealing ring is sleeved on the outer periphery of the second part and the outer periphery of the stopper, respectively. The processing spindle with a cleaning structure according to claim 1, wherein the pull rod drives the gripper to move the tool between a first cleaning position and a second cleaning position; when in the first cleaning position, the liquid The liquid inlet channel is sprayed from the liquid outlet hole to the cutter through the main liquid channel; in the second cleaning position, gas is sprayed from the air inlet channel to the tool through the main air channel. The machining spindle with a cleaning structure according to claim 7, wherein in the first cleaning position, the tool is spaced apart from the tool receiving hole by a first distance; in the second cleaning position, the tool is spaced apart from the tool receiving hole by The second distance, the first distance is greater than the second distance. The processing spindle with a clean structure according to claim 1, wherein the liquid inlet and the air inlet are arranged along the axial direction of the spindle sleeve. The processing spindle with a cleaning structure according to claim 1, wherein the number of the liquid discharge holes is plural, and each of the liquid discharge holes is spaced and inclined.

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