TWM517037U - Automatic tool changing electrical discharge machining machine - Google Patents

Description

Electric discharge machine with automatic tool change

The invention relates to an electric discharge machine, in particular to an electric discharge machine capable of automatically changing a knife.

In the prior art, in the electric discharge machine of the present invention, in the "automatic tool changer of the EDM machine tool", the spare tool set of the electric discharge machine is arranged in a lateral arrangement on a table, and the existing discharge is performed. When the processing machine wants to replace the cutter head, the head of the electric discharge machine will move to the spare tool set for tool change. However, the spare tool set of the existing EDM workbench is set in a horizontal row because of the discharge. The width of the table of the processing machine is limited, so that the number of spare tools placed is limited, so the existing electric discharge machine is necessary for improvement.

In order to solve the existing EDM machine, the number of spare tools is limited and lacking. The main purpose of the present invention is to provide an EDM machine capable of automatic tool change. The present invention utilizes the tool changer to have a circular cutter head. The cutter head can be provided with a plurality of replacement electrode holders, and the cutter head has a positioning function, which can greatly improve the automatic tool change effect of the present invention.

The present invention solves the prior art problem and can automatically change the electric discharge machining machine, comprising: a machining mobile platform, the processing mobile platform comprises a base, a sliding table, a supporting base, a connecting seat and a rotating seat a fine adjustment unit and a cantilever, the slide table is horizontally movable relative to the base and disposed on the top surface of the base, and the support base is horizontally movable relative to the slide table and disposed on the top surface of the slide table, the connection The lifting seat is fixed to the front side of the supporting seat, the rotating seat is fixed to the front side of the connecting seat, and the fine adjustment unit is coupled to the rotating seat to be rotatable relative to the connecting seat, the cantilever can be opposite The fine adjustment unit is linearly disposed on a front side of the fine adjustment unit, and the cantilever is located at a front side of the rotating base, and the cantilever is disposed at an end connected to the fine adjustment unit to be provided with an electrode fixture; and an operation platform, the operation platform is disposed on the The front side of the processing mobile platform includes a base, an indexing plate, a lifting oil tank, a disc bearing seat and a fueling platform. The level is disposed on the front side of the base of the processing mobile platform, and the indexing plate is disposed on the top surface of the base and spaced apart from the front side of the base, the lifting oil groove is sleeved on the outside of the indexing plate Attached to the top surface of the base, the lifting oil groove can be raised and lowered relative to the base, the disk bearing is coupled to the indexing plate and located above the cantilever, such that the disk bearing can be rotated by the indexing disk The fueling platform is in communication with the lifting oil sump; and a tool changing device is disposed on one of the outer sides of the base of the processing moving platform, the tool changing device comprising a fixing frame and a tool magazine, the fixing The rack is disposed on one side of the base of the processing mobile platform and is provided with a mounting end, the tool magazine is coupled to the mounting end of the mounting bracket, the tool magazine includes a mounting plate, a rotating drive, a synchronizing ring, and a mounting a rotating disc and a cutter disc, the mounting disc is horizontally fixed to the mounting end of the fixing bracket, and a center of the bottom surface of the mounting disc is convexly disposed downwardly, and the rotating drive is disposed through the mounting The synchronization ring is sleeved on the fixed shaft of the mounting plate and horizontally rotatable relative to the fixed shaft. The rotating disk sleeve is fixedly attached to the top of the synchronization ring and located under the positioning plate. The cutter disk is sleeved. It is fixed to the bottom of the synchronizing ring, and a plurality of engaging members are disposed on the circumferential surface of the cutter disc. The positions of the plurality of engaging members correspond to the positions of the plurality of positioning slots of the rotating disc.

The above-mentioned automatic tool changeable electric discharge machine, wherein the rotary drive is provided with a rotation axis penetrating the installation disk, and the rotation drive protrudes downwardly to provide a combination disk, a positioning shaft and a driving shaft, wherein The top surface of the combined disk is fixed to the bottom end of the rotating shaft of the rotating drive and is located below the mounting plate. The positioning shaft is fixed to the center of the bottom surface of the combined disk, and the driving shaft is fixed to the periphery of the bottom surface of the combined disk. Wherein the driving shaft is eccentrically disposed with respect to the yoke, the ring side of the rotating disc is radially inwardly recessed with a plurality of positioning slots, and the shape of each locating slot corresponds to the shape of the positioning shaft of the rotary actuator, And one of the positioning grooves of the rotating disk is surrounded by the positioning shaft of the rotating drive, and the ring side of the rotating disk is radially inwardly recessed with a plurality of driving grooves, so that each driving groove is spaced apart from one of the positioning grooves. And a driving groove of the rotating disk surrounds the driving shaft of the rotating drive.

In the foregoing electric discharge machine capable of automatic tool change, the bottom end of the positioning shaft is formed with a semi-arc-shaped positioning notch.

The foregoing automatic tool changer electric discharge machine, wherein the plurality of positioning grooves are semi-circular grooves.

In the foregoing electric discharge machine capable of automatically changing a tool, the plurality of driving grooves are U-shaped grooves.

The improved efficiency obtained by the novel technical means is as follows: 1. The novel uses the design of the cutter head to allow a plurality of replacement electrode clamps to be placed on the cutter head of the present invention, thereby increasing the number of replacement electrode clamps, and the user The number of electrode holders that can be selected during operation is increased, which increases the operational variation of the overall electrical discharge machining. 2. Since the rotary drive is designed as a stepping motor, when the driving shaft of the combined disk is rotated by a specific angle, the rotating disk can be rotated by a specific angle, and then the cutter disk is rotated by a specific angle to make the rotation angle of the cutter head More precise, the cutter head has a positioning function, that is, the rotation angle of the cutter head can be easily and accurately operated, and the user's operation convenience is further improved.

In order to understand the technical features and practical effects of the present invention in detail, and in accordance with the novel content, the following further describes the preferred embodiment as shown in the following figure:

A preferred embodiment of the automatic tool changeable electric discharge machine provided by the present invention is shown in FIG. 1. The automatic tool changeable electric discharge machine includes a machining moving platform 10, an operating platform 20 and a tool changing device. 30, where:

The processing mobile platform 10 includes a base 11 , a sliding table 12 , a supporting base 13 , a connecting seat 14 , a rotating base 15 , a fine adjusting unit 16 and a cantilever 17 . The sliding table 12 can be opposite to the base 11 . The horizontally movable portion is disposed on the top surface of the base 11 , and the support base 13 is horizontally and longitudinally movable relative to the sliding table 12 and disposed on the top surface of the sliding table 12 . The connecting seat 14 can be lifted and lowered relative to the supporting base 13 . The front side of the support base 13 is fixed to the front side of the connecting base 14. The fine adjustment unit 16 is coupled to the rotating base 15 to be rotatable relative to the connecting base 14. The cantilever 17 is opposite to the fine adjustment unit. 16 is linearly disposed on the front side of the fine adjustment unit 16, and the cantilever 17 is located on the front side of the rotating base 15. The cantilever 17 is provided with an electrode holder 171 away from the end connected to the fine adjustment unit 16.

As shown in FIG. 1 , the operating platform 20 is disposed on a front side of the processing mobile platform 10 . The operating platform 20 includes a base 21 , an indexing plate 22 , a lifting oil tank 23 , a disc bearing 24 , and a fueling platform . 25, the base 21 is horizontally disposed on the front side of the base 11 of the processing mobile platform 10, and the indexing plate 22 is erected on the top surface of the base 21 and spaced apart from the front side of the base 11, the indexing The disk 22 is a common rotating driving device. The lifting oil groove 23 is tightly sleeved on the outside of the indexing plate 22 and coupled to the top surface of the base 21. The lifting oil groove 23 is opposite to the base. 21, the disc holder 24 is coupled to the indexing plate 22 and located above the cantilever 17, so that the disc holder 24 can be rotated by the indexing plate 22, and the fueling platform 25 is disposed on the base The front side of the seat 11 is adjacent to the lifting oil tank 23, and the fueling platform 25 is provided with a fueling pipe 251, and the oil in the oiling platform 25 can be injected into the lifting oil tank 23 through the oil feeding pipe 251, the fueling platform 25 is a common design on the market, and it is not the focus of this new model. No longer.

As shown in FIG. 1 to FIG. 3 , the tool change device 30 is disposed on one of the outer sides of the base 11 of the processing mobile platform 10 and extends above the fueling platform 25 . The tool change device 30 includes a fixed portion. The frame 40 and a tool magazine 50 are disposed on one side of the base 11 of the processing mobile platform 10. The mounting frame 40 is an L-shaped frame body and is provided with a mounting end 41. The mounting end 41 Correspondingly located above the fueling platform 25.

As shown in FIG. 2 to FIG. 4, the tool magazine 50 is combined with the mounting end 41 of the fixing frame 40 and located above the fueling platform 25. The tool magazine 50 includes a mounting plate 51, a rotating drive 52, and a synchronization. a ring 53, a rotating disk 54 and a cutter head 55, the mounting plate 51 is horizontally fixed to the mounting end 41 of the fixing frame 40. The mounting plate 51 is a circular disk body, and the center of the bottom surface of the mounting plate 51 A fixed shaft 511 is disposed on the lower side. The rotary drive 52 is disposed upright near the circumference of the mounting plate 51. The rotary drive 52 is a stepping motor, and the rotary drive 52 is provided with a rotation axis 520 extending through the mounting plate 51. And a rotating disk 52, a positioning shaft 522 and a driving shaft 523 are protruded downward, wherein the top surface of the combining disk 521 is fixed to the bottom end of the rotating shaft 520 of the rotating driver 52. The positioning plate 522 is fixed to the center of the bottom surface of the combining plate 521, and the bottom end of the positioning shaft 522 is formed in a semicircle. An arc-shaped positioning notch 524, the driving shaft 523 is fixed to the combining plate 5 The peripheral edge of the bottom surface of the 21 is such that the driving shaft 523 is eccentrically disposed with respect to the coupling disk 521 and is located outside the positioning shaft 522.

The synchronization ring 53 is sleeved on the fixed shaft 511 of the mounting plate 51 and horizontally rotatable relative to the fixed shaft 511. The rotating disk 54 is sleeved and fixed on the top of the synchronization ring 53 and located below the positioning plate 51. As shown in FIG. 5 , a plurality of positioning slots 541 are defined in the ring-shaped side of the rotating disk 54 . The plurality of positioning slots 541 are semi-circular slots, and the shape of each positioning slot 541 and the rotating driver 52 . The positioning shaft 522 has a corresponding shape, and one of the positioning grooves 541 of the rotating disk 54 surrounds the outside of the positioning shaft 522 of the rotating driver 52. The ring side of the rotating disk 54 is spaced radially inwardly and provided with a plurality of driving The slot 542 is a U-shaped slot, such that each of the driving slots 542 is located between two adjacent positioning slots 541, and one of the driving slots 542 of the rotating disc 54 surrounds the driving shaft of the rotating driver 52. The rotating plate 54 defines a rotating convex portion 543 between the two adjacent positioning grooves 541 and the driving groove 542.

The cutter head 55 is sleeved and fixed to the bottom of the synchronizing ring 53 and located below the rotating disc 54 . The plurality of latching members 551 are disposed on the circumferential surface of the cutter head 55 . The plurality of latching members 551 are disposed. The positions correspond to the positions of the plurality of positioning grooves 541 of the rotating disk 54, respectively.

A plurality of replacement electrode holders 60 are respectively engaged with a plurality of card members 551 of the cutter head 55.

As shown in FIG. 1 to FIG. 3, when the electrode holder 171 for replacing the cantilever 17 is one of the replacement electrode holders 60, the rotating seat 15 is driven first, so that the fine adjustment unit 16 can be rotated relative to the connecting seat 14. And the electrode holder 171 on the cantilever 17 is directed toward the tool magazine 50. The process of adjusting the rotation of the cutter head 55 by the tool magazine 50 is as follows:

Referring to FIG. 2 to FIG. 4, the rotary drive 52 is activated such that the rotational axis 520 of the rotary drive 52 starts to rotate the combination disk 521. At the same time, the drive shaft 523 starts from the positioning axis 522. Rotating, because the driving shaft 523 extends into one of the driving grooves 542, as shown in FIG. 5 and FIG. 6, the rotating shaft 54 is rotated during the rotation of the driving shaft 523, and the rotating disk 54 is rotated by The cutter head 55 is fixed to the synchronizing ring 53 such that when the rotating disc 54 drives the synchronizing ring 53 to rotate, the cutter head 55 also rotates synchronously with the rotating disc 54 along the synchronizing ring 53. The positioning shaft 522 of the splicing plate 521 extends into one of the positioning grooves 541. When the rotating plate 54 rotates, the positioning notch 524 of the positioning shaft 522 is designed to evade one of the rotating protrusions 543, in the process, The rotary drive 52 is a stepping motor, and the rotary shaft 520 can be set to rotate a specific angle, so that when the drive shaft 523 is rotated by a certain angle, the rotary disk 54 can be rotated by a specific angle, thereby causing the cutter head 55 to rotate. The electrode holder 171 on the cantilever 17 can be first Placed on the deck 55, wherein a card member 551 is provided, and the cutter 55 rotation operation is repeated, so that the cutter 55 on the clamp 60 wherein a replacement electrode can be combined with the boom 17.

Compared with the prior art EDM machine, the spare tool set is arranged in a horizontal row, so that the number of spare tools is limited. The novel design of the cutter head 55 allows the present invention to replace a plurality of replacement electrode clamps 60, and When the driving shaft 523 of the combining disc 521 is rotated by a certain angle, the rotating disc 54 can be rotated by a specific angle, and the cutter head 55 is rotated by a specific angle to make the turning angle of the cutter head 55 more precise, and the cutter head 55 has The positioning function achieves an increase in the number of replacement electrode holders 60 and a more precise rotation angle of the cutter head 55 in order to achieve a smooth tool change.

10‧‧‧Processing mobile platform
11‧‧‧Base
12‧‧‧ slide table
13‧‧‧ Support
14‧‧‧ joint
15‧‧‧Rotating seat
16‧‧‧ fine tuning unit
17‧‧‧ cantilever
171‧‧‧electrode fixture
20‧‧‧Operation platform
21‧‧‧Base
22‧‧‧Division
23‧‧‧ Lifting oil tank
24‧‧‧Disc seat
25‧‧‧Gaming platform
251‧‧‧ fuel pipe
30‧‧‧Tool changer
40‧‧‧ Fixing frame
41‧‧‧Installation end
50‧‧‧Tools
51‧‧‧Installation disk
511‧‧‧Fixed shaft
52‧‧‧Rotating drive
520‧‧‧Rotating axis
521‧‧‧ Combined disk
522‧‧‧ Positioning axis
523‧‧‧Drive shaft
524‧‧‧ Positioning gap
53‧‧‧Synchronization ring
54‧‧‧ rotating disk
541‧‧‧ positioning slot
542‧‧‧Drive slots
543‧‧‧Rotating convex
55‧‧‧Cutter
551‧‧‧Cards
60‧‧‧Replacement electrode holder

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is an external perspective view of a preferred embodiment of the present invention. Fig. 2 is a perspective view showing the appearance of an automatic tool changer of the preferred embodiment of the present invention. Figure 3 is a partial enlarged view of the automatic tool changer of the preferred embodiment of the present invention. Figure 4 is a partial cross-sectional side view of the automatic tool changer of the preferred embodiment of the present invention. Figure 5 is a bottom plan view of the automatic tool changer of the preferred embodiment of the present invention. Figure 6 is a bottom plan view of the operation of the automatic tool changer of the preferred embodiment of the present invention.

10‧‧‧Processing mobile platform

11‧‧‧Base

12‧‧‧ slide table

13‧‧‧ Support

14‧‧‧ joint

15‧‧‧Rotating seat

16‧‧‧ fine tuning unit

17‧‧‧ cantilever

171‧‧‧electrode fixture

20‧‧‧Operation platform

21‧‧‧Base

22‧‧‧Division

23‧‧‧ Lifting oil tank

24‧‧‧Disc seat

25‧‧‧Gaming platform

251‧‧‧ fuel pipe

30‧‧‧Tool changer

40‧‧‧ Fixing frame

41‧‧‧Installation end

50‧‧‧Tools

60‧‧‧Replacement electrode holder

Claims (5)

An electric discharge machine capable of automatically changing a tool comprises: a machining mobile platform comprising a base, a sliding table, a supporting base, a connecting seat, a rotating base, a fine adjusting unit and a cantilever; The sliding table is horizontally movable relative to the base and disposed on the top surface of the base. The support base is horizontally movable relative to the sliding table and disposed on the top surface of the sliding table. The connecting seat can be raised and lowered relative to the supporting base. The rotating seat is fixed to the front side of the connecting seat, and the fine adjusting unit is coupled to the rotating base to rotate relative to the connecting seat, and the cantilever is linearly movable relative to the fine adjusting unit. a front side of the fine adjustment unit, and the cantilever is located at a front side of the rotating base, the cantilever is disposed at an end connected to the fine adjustment unit, and an electrode holder is disposed on the front side of the processing mobile platform. The operating platform comprises a base, an indexing plate, a lifting oil tank, a disc bearing seat and a fueling platform, the base is horizontally disposed on the processing moving flat The front side of the base is disposed on the top surface of the base and spaced apart from the front side of the base, and the lifting oil groove is sleeved on the outside of the indexing plate and coupled to the top surface of the base. The lifting oil tank is movable up and down relative to the base, and the disc bearing is coupled to the indexing disc and located above the cantilever, such that the disc bearing seat can be rotated by the indexing disc, the fueling platform and the lifting oil tank And a tool changing device disposed on one of the outer sides of the base of the processing mobile platform, the tool changing device comprising a fixing frame and a tool magazine, the fixing frame being disposed on the processing mobile platform One side of the base is provided with a mounting end, and the tool magazine is coupled to the mounting end of the fixing frame. The tool magazine comprises a mounting plate, a rotating drive, a synchronizing ring, a rotating disk and a cutter head. The disk is horizontally fixed to the mounting end of the fixing frame, and a center of the bottom surface of the mounting plate is convexly disposed downwardly. The rotating drive is disposed at a periphery of the mounting plate, and the synchronous ring is sleeved on the periphery of the mounting plate. a fixed shaft of the mounting plate is horizontally rotatable relative to the fixed shaft, the rotating disk sleeve is fixedly attached to the top of the synchronizing ring and located under the positioning plate, and the cutter disk sleeve is fixedly fixed to the bottom of the synchronizing ring, and the The circumferential surface of the cutter head is spaced apart from the plurality of latching members, and the positions of the plurality of latching members correspond to the positions of the plurality of positioning slots of the rotating disc. An electric discharge machine capable of automatically changing a tool according to claim 1, wherein the rotary drive is provided with a rotation axis penetrating the installation plate, and the rotation drive protrudes downwardly to provide a combination disk, a positioning shaft and a driving device. a shaft, the top surface of the splicing plate is fixed to the bottom end of the rotating shaft of the rotary drive and located under the mounting plate, the positioning shaft is fixed to the center of the bottom surface of the splicing plate, and the driving shaft is fixed to the splicing plate The circumference of the bottom surface is such that the driving shaft is eccentrically disposed with respect to the splicing disk, and the ring side of the rotating disk is radially inwardly recessed with a plurality of positioning grooves, and the shape of each positioning groove and the positioning axis shape of the rotating driver Correspondingly, one of the positioning grooves of the rotating disk surrounds the positioning shaft of the rotating driver, and the ring side of the rotating disk is radially inwardly recessed with a plurality of driving grooves, so that each driving groove and one of the positioning grooves The slots are spaced apart, and one of the driving grooves of the rotating disk surrounds the driving shaft of the rotating drive. The electric discharge machine capable of automatically changing a tool according to claim 2, wherein the bottom end of the positioning shaft is formed with a semi-arc-shaped positioning notch. The electric discharge machine capable of automatically changing a tool according to claim 3, wherein the plurality of positioning grooves are semicircular grooves. The electric discharge machine capable of automatically changing a tool according to any one of claims 2 to 4, wherein the plurality of driving grooves are U-shaped grooves.