TWM619964U - Turning and milling composite main shaft head - Google Patents

Abstract

This creation provides a turning-milling composite spindle head. A housing of a processing machine is equipped with a plurality of bearings, whereby a rotating shaft driven and rotated by a power source is assembled; and the turning-milling composite spindle head mainly includes a fixedly mounted on the rotating shaft. The rotary indexing gear coupling at the lower end of the shaft circumference side, a reference gear coupling fixed between the base and the rotary indexing gear coupling, and a set of gears arranged on the rotary indexing gear The movable gear coupling on the gear coupling and the reference gear coupling and a set of balance piston units arranged under the rotary index gear coupling and the reference gear coupling; wherein, The movable gear coupling is driven by fluid to engage or disengage with the reference gear coupling and the rotary index gear coupling.

Description

Turning and milling composite spindle head

This creation is about a processing machine spindle head, especially when a processing machine with milling and turning functions performs turning operations, it can reduce the bearing damage caused by uneven forces on the plural bearing shafts combined with the processing machine spindle head. Turning and milling composite spindle head.

Generally speaking, the spindle head of the processing machine is installed on the processing machine, and when a processing tool is sleeved on the rotating shaft, the processing tool is driven by the rotating shaft to rotate at a high speed, and then the workpiece is rotated by drilling or milling. In addition, when the rotation axis of the spindle head of the processing machine does not rotate, the workpiece is rotated to perform turning operations; however, when turning operations are to be performed, the processing machine spindle head of the processing machine is controlled The rotating shaft must be in a non-rotating state. Therefore, the processing machine often uses the method of locking the rotating shaft of the processing machine spindle head in a closed and locked position, which is mainly connected to the upper end of the rotating shaft to install a rotating disk, and then connect the processing machine spindle of the processing machine The head is connected with a rotating disk, and then a brake device is correspondingly installed on the base of the processing machine, and the rotating disk is clamped by the brake device, so that the rotating shaft is fixed by the rotating disk and does not rotate.

However, when the turntable is clamped by the brake device, the brake device and the seat of the processing machine are mostly tightly matched. Therefore, the clamp of the brake device turns the rotating disk so that the fixed force of the rotating shaft is dispersed in the pivot The multiple bearings on the peripheral side of the spindle head of the processing machine will cause damage to the steel balls in these bearings due to uneven forces.

In view of this, how to improve the disadvantages of damage caused by uneven bearing forces when the above-mentioned processing machine performs turning operations, and the disadvantages of poor machining accuracy caused by insufficient stability of milling operations or turning operations, so, There is a need to improve the prior art.

The purpose of this creation is to propose a turning-milling composite spindle head that can reduce damage to multiple bearing shafts due to uneven forces during turning operations.

In order to achieve the above-mentioned purpose, this creation provides a turning-milling composite spindle head. A housing of a processing machine is equipped with a plurality of bearings, whereby a rotating shaft driven by a power source is assembled, and the lower end of the rotating shaft is provided with a set of holes , For socket processing tools; and the turning-milling composite spindle head mainly includes a rotary indexing gear coupling, a reference gear coupling, a mobile gear coupling and a balance piston unit, among them, The rotary indexing gear coupling is fixedly arranged at the lower end of the peripheral side of the rotating shaft; the reference gear coupling is fixedly arranged between the seat body and the rotary indexing gear coupling; the movable tooth A shape coupling is assembled on the rotary indexing gear coupling and the reference gear coupling, and the movable gear coupling is driven by fluid to move parallel to the axial direction of the rotating shaft; and , The balance piston unit is set under the rotary indexing gear coupling and the reference gear coupling; wherein the movable gear coupling is driven by fluid to be connected to the reference gear coupling and The rotary indexing gear coupling is engaged or disengaged.

Further, the rotary indexing gear coupling has a first ring tooth facing upward, and is locked on the rotating shaft by a locking member, and rotates synchronously with the rotating shaft.

Further, the reference gear coupling has a second ring tooth facing upward, and the reference gear coupling is fixed on the base body and is in a non-rotating state the same as the base body.

Further, the movable toothed coupling has a third ring tooth with a tooth surface facing downward, and a proximity control link is set at the other end of the third ring tooth, wherein the movable toothed coupling The third ring tooth can be engaged with or disengaged from the second ring tooth of the reference gear coupling and the first ring tooth of the rotary indexing gear coupling.

Further, the other end of the proximity control link relative to the movable toothed coupling is recessed with a ring groove along its radial direction.

Further, the seat body is provided with a through hole along the radial direction of the seat body at the ring groove end of the proximity control link, and the through hole is provided with a sensing ball and a sensing link, and the sensing ball The system is located between the sensing link and the proximity control link, and the other end of the through hole opposite to the sensing ball is provided with a proximity switch.

Further, when the third ring tooth of the movable gear coupling is engaged with the second ring tooth of the reference gear coupling and the first ring tooth of the rotary indexing gear coupling, the The movable gear coupling assembly is provided with an accommodating distance between the end face of the proximity control link side and the seat system.

Further, when the third ring tooth of the movable gear coupling is engaged with the second ring tooth of the reference gear coupling and the first ring tooth of the rotary indexing gear coupling, the The rotary indexing gear coupling is tightly fitted with the balance piston unit.

Further, the movable gear coupling is provided with a guide pin, and the guide pin restricts it to the seat body, so that the movable gear coupling can only move parallel to the axial direction.

Further, a reset elastic body is arranged between the movable gear coupling and the balance piston unit, one end of the reset elastic body is assembled on the movable gear coupling, and the other end is assembled on the balance piston unit.

Therefore, the turning-milling composite spindle head of the original creation has the following beneficial effects compared with the previous technology:

1. The turning-milling composite spindle head of this creation uses the movable gear coupling to move parallel to its axial direction, and then uses the third ring tooth of the movable gear coupling and the reference gear coupling When the second ring tooth and the first ring tooth of the rotary indexing gear coupling are engaged, because the movable gear coupling assembly is provided with the end surface of the proximal control link side and the seat system having a capacity The distance between the rotary index gear coupling and the balance piston unit at the other end of the movable gear coupling is parallel to the axial direction of the rotating shaft, and is connected to the rotary index gear coupling Produce a tight fit, In order to reduce the problem of uneven force exerted by the rotating shaft on the bearings during turning operations, the service life of the bearings is prolonged.

2. The turning-milling composite spindle head of this creation uses the proximity switch to sense the position of the movable gear coupling to ensure that the rotating shaft is in the correct position during milling or turning operations. Security.

Here are a few preferred implementation aspects of the technical features and operation methods of this application, which will be described in conjunction with the illustration below for review and reference. Furthermore, the drawings in this creation are not necessarily drawn according to the actual scale in order to facilitate the description, and the ratios in the drawings are not used to limit the scope of protection requested by this creation.

For the technology of this creation, please refer to Figure 1 to Figure 3-2, which is a turning-milling composite spindle head 100 provided by this creation. A housing 210 of a processing machine 200 is provided with a plurality of bearings 220. , By assembling a rotating shaft 230 driven to rotate by a power source, and the lower end of the rotating shaft 230 is provided with a set of holes 240 for socket processing tools (not shown); and the turning-milling composite spindle head 100 mainly includes There are: a rotary indexing gear coupling 10, fixed at the lower end of the circumference of the rotating shaft 230, the rotary indexing gear coupling 10 has a first ring tooth 11 facing upwards, and is secured by a lock Firmware 12 is locked in this Rotating shaft 230, so that the rotary indexing gear coupling 10 can rotate synchronously with the rotating shaft 230, wherein the rotary indexing gear coupling 10 also has points when the processing machine 200 performs milling operations The function of the dial; a reference gear coupling 20 is fixed between the base 210 and the rotary index gear coupling 10, and the reference gear coupling 20 has a second facing upward Ring teeth 21, the reference gear coupling 20 is fixed in the base 210, and is in a non-rotating state the same as the base 210; a movable gear coupling 30 is assembled in the rotary index On the toothed coupling 10 and the reference toothed coupling 20, the movable toothed coupling 30 is driven by fluid to move parallel to the axial Z of the rotating shaft 230, the movable toothed coupling 30 A third ring tooth 31 with a tooth surface facing downward, and a proximity control link 32 is set at the other end of the third ring tooth 31. The proximity control link 32 is relative to the movable toothed coupling 30 A ring groove 321 is recessed at the other end in the radial direction. The proximity control link 32 is controlled by the movable toothed coupling 30 to move parallel to the axis Z of the rotating shaft 230, but it is not limited thereto. In addition, the movable gear coupling 30 is provided with a guide pin 33, and the guide pin 33 restricts the movable gear coupling 30 on the base 210 so that the movable gear coupling 30 is driven by fluid It can only move parallel to the axis Z of the rotating shaft 230 to avoid the rotational displacement of the movable gear coupling 30; a balance piston unit 40 is assembled on the rotary index gear coupling 10 and the reference gear Under the coupling 20; the seat body 210 is provided with a through hole 211 along the radial direction of the seat body 210 at the end of the ring groove 321 adjacent to the proximity control link 32, and the through hole 211 is provided with a sensor The ball 50 and a sensing link 60, and the sensing ball 50 is located between the sensing link 60 and the proximity control link 32, and the through hole 211 relatively accommodates the other end of the sensing ball 50 The assembly is provided with a proximity switch 70; and a reset elastic body 80, which is assembled between the movable gear coupling 30 and the balance piston unit 40, wherein one end of the reset elastic body 80 is assembled on the movable tooth The other end of the coupling 30 is assembled on the balance piston unit 40 to assist the movable tooth coupling 30 in pushing back to its position.

Wherein, the third ring tooth 31 of the movable gear coupling 30 is driven by fluid to be connected with the second ring tooth 21 of the reference gear coupling 20 and the rotary index gear coupling 10 The first ring tooth 11 is engaged or disengaged; wherein, the third ring tooth 31 of the movable toothed coupling 30 and the second ring tooth 21 of the reference toothed coupling 20 and the rotary indexing tooth profile When the first ring tooth 11 of the coupling 10 is engaged, the movable toothed coupling 30 is set to have an accommodating distance D between the end surface of the proximity control link 32 and the seat 210; wherein, The third ring tooth 31 of the movable gear coupling 30 engages with the second ring tooth 21 of the reference gear coupling 20 and the first ring tooth 11 of the rotary index gear coupling 10 At this time, the rotary indexing gear coupling 10 is tightly fitted with the balance piston unit 40, and the balance piston unit 40 has a reverse force for balancing the third ring tooth of the moving gear coupling 30 The force applied when 31 is engaged with the second ring tooth 21 of the reference gear coupling 20 and the first ring tooth 11 of the rotary indexing gear coupling 10.

Please refer to Figures 1 to 3-2 again, the rotating shaft 230 of the processing machine 200 is housed in the base 210 and pivoted on the bearings 220 so that it can be driven by a power source The rotating shaft 230 rotates, and then the rotating shaft 230 drives the sleeved processing tool to perform milling operations, or the rotating shaft 230 is fixed and the workpiece is moved for turning operations. Please refer to Figure 2-1 and Figures first. As shown in Figure 3-1, when the processing machine 200 needs to perform turning operations, the movable gear coupling 30 will be driven by the fluid to be parallel to the direction of the axis Z of the processing machine 200 toward the reference gear coupling 20 and the rotary indexing gear coupling 10 move, and make the third ring tooth 31 of the mobile gear coupling 30 and the second ring tooth 21 of the reference gear coupling 20 and the rotation The first ring teeth 11 of the indexing gear coupling 10 are engaged. At this time, the movable gear coupling 30 is assembled with the end surface of the proximity control link side 32 and the seat body 210 at the accommodating distance D. In this way, during the turning operation, due to the accommodating distance D between the end surface of the proximity control link 32 and the seat body 210, the effect of the turning operation is The force can be shared by the movable gear coupling 30, the reference gear coupling 20 and the rotary index gear coupling 10, thereby reducing the bearings pivotally connected to the rotating shaft 230 during turning operations. 220 due to the unidirectional force applied to the bearings 220 causes the uneven force of the bearings 220, which increases the service life of the bearings 220. Please refer to Figure 3-1 again for the sensing sphere 50 At this time, the sensing link 60 will not be pushed to the ring groove 321 of the proximity control link 32, so the proximity switch 70 will determine that the rotating shaft 230 is in the locked state; please refer to page 2-2 first As shown in Figures and Figures 3-2, when the processing machine 200 performs a milling operation, the rotating shaft 230 needs to be rotated. At this time, the movable gear coupling 30 will be driven by the fluid to be parallel to the processing machine 200 The direction of the axis Z moves away from the reference gear coupling 20 and the rotary index gear coupling 10, thereby causing the first ring tooth 11 of the movable gear coupling 30 Disengaged from the second ring tooth 21 of the reference gear coupling 20 and the third ring tooth 31 of the rotary indexing gear coupling 10, the rotary indexing gear coupling 10 can be engaged with the The rotating shaft 230 rotates synchronously. In this way, the power source can drive the rotating shaft 230 to rotate for milling operations. Please refer to Figure 3-2. The sensing sphere 50 will be pushed to the sensing link 60 at this time. The ring groove 321 of the control link 32 is approached, so the proximity switch 70 will determine that the rotating shaft 230 is in the unlocked state.

In summary, the turning-milling composite spindle head 100 of this creation has the following beneficial effects compared with the prior art:

1. The turning-milling composite spindle head 100 of this creation utilizes the movable gear coupling 30 to move parallel to its axial direction Z, and then utilizes the third ring tooth 31 and the reference tooth of the movable gear coupling 30 When the second ring teeth 21 of the shaped coupling 20 and the first ring teeth 11 of the rotary indexing gear coupling 10 are engaged, because the movable gear coupling 30 is assembled with the proximity control link 32 The side end surface and the seat body 210 have the accommodating distance D, and the rotary indexing gear coupling 10 is parallel to the rotating shaft 230 relative to the balance piston unit 40 at the other end of the moving gear coupling 30的axial direction Z direction, and produce a tight fit with the rotary indexing gear coupling 10, therefore, can reduce the problem of uneven force of the rotating shaft 230 on the bearings 220 during turning operations, thereby extending the Wait for the service life of the bearing 220.

2. The turning-milling composite spindle head 100 of the present creation uses the proximity switch 70 to sense the position of the movable gear coupling 30 to ensure whether the rotating shaft 230 is in the correct position during milling or turning operations, Increase the safety in use.

The content of this creation has been explained in detail above, but the above is only the preferred embodiment of this creation. It should not be used to limit the scope of implementation of this creation, that is, all equal changes and changes made in accordance with the scope of the patent application for this creation Modifications should still fall within the scope of the patent for this creation.

100: Turning and milling composite spindle head 10: Rotary indexing gear coupling 11: The first ring tooth 12: Lock firmware 20: Reference gear coupling 21: The second ring tooth 30: Mobile gear coupling 31: The third ring tooth 32: Proximity control link 321: Ring groove 33: guide pin 40: Balanced piston unit 50: Sensing sphere 60: Sensing connecting rod 70: Proximity switch 80: Reset elastomer 200: processing machine 210: Seat 211: Through hole 220: bearing 230: Rotating axis 240: set hole D: accommodating distance Z: Axial

Figure 1: The three-dimensional schematic diagram of the turning-milling composite spindle head created for this creation.

Figure 2-1: It is a schematic diagram of the cross-sectional action taken along the line A-A when the first figure is in the locked state.

Figure 2-2: Figure 1 is a schematic diagram of the cross-sectional action taken along the line A-A when the lock is unlocked.

Figure 3-1: Figure 1 is a schematic diagram of the cross-sectional action taken along the line B-B in the locked state.

Figure 3-2: Figure 1 is a schematic diagram of the cross-sectional action taken along the line B-B when the lock is unlocked.

10: Rotary indexing gear coupling

11: The first ring tooth

20: Reference gear coupling

30: Mobile gear coupling

32: Proximity control link

321: Ring groove

40: Balanced piston unit

50: Sensing sphere

60: Sensing connecting rod

70: Proximity switch

80: Reset elastomer

211: Through hole

Z: Axial

Claims (10)

A turning-milling composite spindle head. A housing of a processing machine is provided with a plurality of bearings, whereby a rotating shaft driven and rotated by a power source is assembled, and the lower end of the rotating shaft is provided with a set of holes for socketing processing tools. The turning-milling composite spindle head mainly includes: a rotary indexing gear coupling, which is fixed at the lower end of the circumference of the rotating shaft; a reference gear coupling, which is fixed on the base and the rotating shaft Between indexing gear couplings; a movable gear coupling, which is assembled on the rotary indexing gear coupling and the reference gear coupling, the movable gear coupling is Fluid-driven and parallel to the axial movement of the rotating shaft; and a balance piston unit assembled under the rotary indexing gear coupling and the reference gear coupling; wherein, the movable gear coupling Driven by fluid to engage or disengage with the reference gear coupling and the rotary index gear coupling. The turning-milling composite spindle head according to claim 1, wherein the rotary indexing gear coupling has a first ring tooth facing upward, and is locked on the rotating shaft by a locking member, and is connected to the rotating shaft Synchronous rotation. The turning-milling composite spindle head according to claim 2, wherein the reference gear coupling has a second ring tooth facing upwards, and the reference gear coupling is fixed on the base body and is connected to the base body The same is not rotating. The turning-milling composite spindle head according to claim 3, wherein the movable gear coupling has a third ring tooth with a tooth surface facing downward, and a proximity control is provided at the other end set opposite to the third ring tooth A connecting rod, wherein the third ring tooth of the movable gear coupling can be engaged with the second ring tooth of the reference gear coupling and the first ring tooth of the rotary indexing gear coupling Or out of bite. The turning-milling composite spindle head according to claim 4, wherein a ring groove is recessed in the radial direction of the other end of the proximity control link relative to the movable gear coupling. The turning-milling composite spindle head according to claim 5, further, the seat body is provided with a through hole along the radial direction of the seat body at the ring groove end of the proximity control link, and the through hole is provided with a sensor A sphere and a sensing link, the sensing ball system is located between the sensing link and the proximity control link, and the other end of the through hole opposite to the sensing sphere is provided with a proximity switch. The turning-milling composite spindle head according to claim 4, wherein the third ring tooth of the movable gear coupling is coupled with the second ring tooth and the rotary indexing gear of the reference gear coupling When the first ring tooth of the shaft is engaged, the movable toothed coupling assembly is provided with an accommodating distance between the end surface of the proximal control link side and the seat system. The turning-milling composite spindle head according to claim 4, wherein the third ring tooth of the movable gear coupling is coupled with the second ring tooth and the rotary indexing gear of the reference gear coupling When the first ring teeth of the shaft device are engaged, the rotary indexing gear coupling is tightly fitted with the balance piston unit. The turning-milling composite spindle head according to claim 1, wherein the movable gear coupling is provided with a guide pin, and the guide pin restricts it to the seat body so that the movable gear coupling can only Move parallel to this axis. The turning-milling composite spindle head according to claim 1, further, a reset elastic body is provided between the movable gear coupling and the balance piston unit, and one end of the reset elastic body is assembled on the movable gear coupling The other end is assembled on the balance piston unit.

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