TWM510810U - Tool expanding head - Google Patents

Description

Tool head

This creation has a relationship with the processing machine, especially a tool head that can improve the processing efficiency.

In general, the tool head of the tool is firstly driven by the feeding device to move the tool head to the machining position, and then the spindle motor is used to drive the tool head to rotate, and the lever is used to control the tool head to perform the tool setting operation. The tool that spreads the cutter head produces a radial movement to achieve machining of the workpiece.

However, in the aforementioned conventional technology, the feed device and the tie rod are hydraulically driven to achieve the effect of controlling the movement of the cutter head. However, after the actual operation, it is found that the machining efficiency of the hydraulic transmission is not ideal, and the machining accuracy is also The space for improvement is therefore necessary for structural improvement.

The main purpose of this creation is to provide a tool head that can improve machining efficiency and machining accuracy.

In order to achieve the above object, the tool head of the present invention comprises a spindle unit, a feed unit, and a machining unit. The spindle unit has a spindle motor mount, a spindle, and a spindle motor. The spindle is disposed on the spindle motor mount. The spindle motor is disposed on the spindle motor mount and connects the spindle to power the spindle. a feed unit having a feed motor mount, a feed motor, and a first ball screw, the feed motor being disposed on the feed motor mount, the first ball screw being disposed on the feed motor a first screw shaft and a first nut are connected in the fixing seat, the first screw shaft is connected to the feed motor, and the first nut is axially movably disposed on the first screw shaft and connected to the spindle unit a spindle, wherein the spindle can be moved relative to the spindle motor mount by the driving of the first nut; the machining unit has a machining motor mount, a machining motor, a second ball screw, a pull rod, and a display a machining head is disposed on the machining motor mount, the second ball screw is disposed in the machining motor mount and has a second screw shaft and a second nut, one end of the second screw shaft The second nut is axially movably disposed on the second screw shaft, and the rod is axially movably disposed in the main shaft of the spindle unit and connected to the second nut. The head is connected to the main shaft of the spindle unit and the pull rod, so that the spread head can move along with the main shaft on the one hand, and can be driven by the pull rod to perform the knife-setting action on the other hand.

In the embodiment of the present invention, the feeding unit further has a sleeve and a first nut holder, the sleeve is sleeved and fixed to the main shaft of the spindle unit, and the first nut holder is disposed at the first A nut is coupled to one end of the sleeve. Thereby, the first nut holder can be driven by the first nut to drive the sleeve, so that the sleeve can further drive the spindle to move.

In the embodiment of the present invention, the processing unit further has a second nut holder and a fixing block. The second nut is fixed to the second nut and is connected to one end of the rod. The fixing block is fixed. One end of the rod and abutting against a side of the second nut holder. Thereby, the second nut holder can be driven by the second nut to drive the fixing block, so that the rod can be pulled by the fixing block to drive the tool head to perform a knife-setting operation.

Referring to Figures 1 and 2, the tool head 10 of the present invention includes a spindle unit 20, a feed unit 30, and a machining unit 40.

As shown in FIG. 3, the spindle unit 20 has a spindle motor mount 21, a spindle 22, and a spindle motor 23. One end of the spindle 22 is bored in the spindle motor mount 21, and the spindle motor 23 is mounted on the spindle motor. The base 21 is coupled to the main shaft 22 by a reduction gear set (not shown) for driving the main shaft 22 to rotate.

As shown in FIGS. 3 and 4, the feed unit 30 has a feed motor mount 31, a feed motor 32, and a first ball screw 33. The feed motor mount 31 is adjacent to the spindle motor mount 21 and has a guide groove 312; the feed motor 32 is mounted at one end of the feed motor mount 31 for providing a power source, and the feed motor 32 can use a servo motor Or a stepping motor, which is not particularly limited herein; the first ball screw 33 is disposed in the feed motor mount 31 and has a first screw shaft 34 and a first nut 35, the first screw shaft 34 being parallel to The main shaft 22 of the spindle unit 20 is connected to the feed motor 32. The first nut 35 is disposed on the first screw shaft 34, so that the first screw shaft 34 can drive the first nut 35 to generate the shaft by the driving of the feed motor 32. Displacement. In addition, the feeding unit 30 further has a first nut holder 36 and a sleeve 37. The first nut holder 36 is embedded in the guiding groove 312 of the feeding motor holder 31, and the first nut The top end of the retaining seat 36 is connected to the first nut 35, and the bottom end of the first nut retaining seat 36 is movably sleeved on the main shaft 22 of the spindle unit 20, so that the first nut retaining seat 36 can be replaced by the first nut. 35 is displaced in the guide groove 312 of the feed motor mount 31, the sleeve 37 is sleeved on the main shaft 22 and the two ends of the sleeve 37 are respectively connected with the main shaft 22 and the first nut holder 36, so that the sleeve 37 The spindle 22 can be axially displaced relative to the spindle motor mount 21 by the actuation of the first nut retainer 36.

As shown in FIGS. 3 and 5, the machining unit 40 has a slide rail 41, two parallel rails 42, a machining motor mount 43, a machining motor 44, and a second ball screw 45. The slide rail 41 is disposed adjacent to the spindle motor mount 21; the two slide rails 42 are fixed to the slide rail mount 41 and parallel to the main shaft 22 of the spindle unit 20; the machining motor mount 43 is disposed by the two first slides 46. The second slide rail 42 has a machining motor 44 fixed to one end of the machining motor mount 43 for providing a power source. The machining motor 44 can use a servo motor or a stepping motor, which is not particularly limited herein; the second ball screw 45 has a second screw shaft 47 and a second nut 48, the second screw shaft 47 is parallel to the two slide rails 42 and one end of the second screw shaft 47 is connected to the machining motor 44, and the second nut 48 is disposed on the second screw shaft. 47, so that the second screw shaft 47 can drive the second nut 48 to generate axial displacement by the driving of the machining motor 44. In addition, the processing unit 40 further has a second nut holder 49, a pull rod 50, a fixing block 51, and a spreading head 52. The second nut holder 49 is connected to the second nut 48 and is provided by the second nut 48. The second sliding seat 53 is disposed on the two sliding rails 42 such that the second nut retaining seat 49 can be displaced synchronously with the second nut 48. One end of the pull rod 50 can be axially displaced and rotatably disposed through the spindle unit 20 In the main shaft 22, the other end of the pull rod 50 is rotatably disposed in the second nut holder 49. The fixing block 51 is fixed to one end of the rod 50 and abuts against one side of the second nut holder 49. The fixing block 51 can be pushed by the second nut holder 49 to apply a pulling force to the rod 50, and the head 52 is coupled to the main shaft 22 of the spindle unit 20 and the rod 50 so that the head 52 can be synchronized with the spindle 22 on the one hand. In addition to actuation, the other hand can be pulled by the pull rod 50.

In actual operation, as shown in FIGS. 3 to 5, the feed motor 32 is first activated, and the feed motor 32 drives the first nut holder 36 through the first ball screw 33, and the first nut holder at this time 36 begins to push the sleeve 37, and then the sleeve 37 will further push the spindle 22, causing the spindle 22 to drive the spreader head 52 forward to the machining position, and on the other hand, pull simultaneously during the feed of the spreader head 52. The pull rod 50, at this time, the pull rod 50 pulls the second nut holder 49 to move the second nut holder 49 forward along the slide rail 42 and re-transmits during the movement of the second nut holder 49. The second ball screw 45 drives the machining motor mount 43 along with the machining motor 44 to move forward along the slide rail 42.

After the spreader head 52 is fed to the machining position, the spindle motor 23 is then activated, and the spindle motor 23 drives the spindle 22 to start rotating. At this time, the spreader head 52 will rotate along with the spindle 22 on the one hand, and the pull rod 50 will be driven on the other hand. Rotate synchronously. After the grinding head 52 starts to rotate, the machining motor 44 is restarted, and the machining motor 44 drives the second nut holder 49 to be displaced rearward through the second ball screw 45, so that the second nut holder 49 is displaced. The pulling rod 50 is biased by the fixing block 51. Thus, the spreading head 52 can drive the tool (not shown) mounted on the tool head 52 to perform the knife-setting operation by the pulling of the rod 50.

In summary, the tool head 10 of the present invention, by the arrangement of the first and second ball screws 33, 45, can improve the machining efficiency and the machining precision of the overall structure compared with the conventional hydraulic transmission method. Achieve the purpose of this creation.

10‧‧‧ Exhibition tool head
20‧‧‧ spindle unit
21‧‧‧Spindle motor mount
22‧‧‧ Spindle
23‧‧‧Spindle motor
30‧‧‧Feed unit
31‧‧‧Feed motor mount
312‧‧ ‧ guiding groove
32‧‧‧Feed motor
33‧‧‧First Ball Screw
34‧‧‧First screw shaft
35‧‧‧ first nut
36‧‧‧First nut holder
37‧‧‧ casing
40‧‧‧Processing unit
41‧‧‧Slide rail seat
42‧‧‧rails
43‧‧‧Processing motor mount
44‧‧‧Processing motor
45‧‧‧Second ball screw
46‧‧‧First slide
47‧‧‧Second screw shaft
48‧‧‧Second nut
49‧‧‧Second nut holder
50‧‧‧ lever
51‧‧‧Fixed blocks
52‧‧‧ Exhibition head
53‧‧‧Second slide

The first picture is a perspective view of the creation. Figure 2 is a plan view of the creation. Figure 3 is a partial cross-sectional view of the creation. Figure 4 is a perspective view of the feed unit of the creation. Figure 5 is a perspective view of the processing unit of the present invention.

10‧‧‧ Exhibition tool head

20‧‧‧ spindle unit

21‧‧‧Spindle motor mount

23‧‧‧Spindle motor

30‧‧‧Feed unit

31‧‧‧Feed motor mount

32‧‧‧Feed motor

40‧‧‧Processing unit

41‧‧‧Slide rail seat

42‧‧‧rails

44‧‧‧Processing motor

46‧‧‧First slide

52‧‧‧ Exhibition head

53‧‧‧Second slide

Claims (8)

A tool head for assembling a tool, comprising: a spindle unit having a spindle motor mount, a spindle, and a spindle motor, the spindle being axially movably and rotatably disposed on the spindle motor mount, the spindle motor Provided in the spindle motor mount and connected to the spindle; a feed unit having a feed motor mount, a feed motor, and a first ball screw, the feed motor being disposed on the feed motor mount The first ball screw is disposed in the feed motor mount and has a first screw shaft and a first nut. The first screw shaft is coupled to the feed motor, and the first nut is axially movable. a first screw shaft and a spindle coupled to the spindle unit; and a machining unit having a machining motor mount, a machining motor, a second ball screw, a pull rod, and a spreader head, the machining motor being disposed at a machining motor mount, the second ball screw is disposed in the machining motor mount and has a second screw shaft and a second nut, and one end of the second screw shaft is connected to the machining motor, the second nut Axially movably disposed on the second screw shaft, the rod is disposed through the spindle of the spindle unit and connected to the second nut, which show the spindle head is connected to the rod of the spindle unit. The tool head according to claim 1, wherein the feed unit further has a first nut holder and a sleeve, the first nut holder being coupled to the first nut and movablely sleeved The sleeve is sleeved on the main shaft, and the two ends of the sleeve are respectively connected to the main shaft and the first nut holder. The spreader tool head according to claim 2, wherein the feed motor mount has a guide groove, and the first nut retainer is movably embedded in the guide groove. The tool head according to claim 1, wherein the machining unit further has a second nut holder, the second nut holder is disposed on the second nut and connected to one end of the rod. The tool head according to claim 4, wherein the machining unit further has a fixing block fixed to one end of the rod and abutting against a side of the second nut holder. The tool head according to claim 4, wherein the machining unit further has two parallel slide rails, and the machining motor mount is disposed on the two slide rails by two first slides, and the second nut retains The seat is provided on the two slide rails by two second slide seats. The spreader tool head of claim 1, wherein the feed motor is a servo motor or a stepper motor. The tool head according to claim 1, wherein the machining motor is a servo motor or a stepping motor.