CN112317893A

CN112317893A - Numerical control spark machine with high rigidity lathe structure

Info

Publication number: CN112317893A
Application number: CN202011180633.7A
Authority: CN
Inventors: 赖有余
Original assignee: Shenzhen Mirrordick Precision Machinery Technology Co ltd
Current assignee: Shenzhen Mirrordick Precision Machinery Technology Co ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-02-05
Anticipated expiration: 2040-10-29
Also published as: CN112317893B

Abstract

The invention relates to the technical field of spark machines and discloses a numerical control spark machine with a high-rigidity machine tool structure. This numerical control spark machine with high rigidity lathe structure, through setting up the pinion rack, the drive wheel, the belt, from the driving wheel, the braking ratchet, the braking board, fixing support, the strap, the gangbar, the guide bar, the second spring, the sliding sleeve, stopper and dead lever, before inserting the electrode, two movable blocks are in the position of keeping away from the socket, two first springs are compressed this moment, insert the socket when inserting the electrode, loosen the movable block, through the pinion rack, the drive wheel, the belt, from the transmission of driving wheel etc., the clamp splice can carry out the centre gripping to the electrode, the electrode holder who has solved current numerical control spark machine has the unstable phenomenon of centre gripping, in the course of working, the problem that the electrode may drop.

Description

Numerical control spark machine with high rigidity lathe structure

Technical Field

The invention relates to the technical field of spark machines, in particular to a numerical control spark machine with a high-rigidity machine tool structure.

Background

The spark machine is a mechanical processing device and is mainly used for electric spark processing. The method is widely applied to the manufacture of various metal dies and mechanical equipment. It is a special processing method for corroding and removing conductive material by using the electric corrosion action generated when pulse discharge is generated between two electrodes immersed in working liquid, also called as electric discharge processing or electric corrosion processing.

The electrode clamp of the current numerical control spark machine adopts a clamping mode to clamp and install, the phenomenon of unstable clamping exists, and an electrode can fall off in the machining process.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the numerical control spark machine with the high-rigidity machine tool structure, which has the advantages of stable electrode clamping and difficult falling, and solves the problems that the electrode clamp of the current numerical control spark machine has unstable clamping and the electrode may fall off in the machining process.

(II) technical scheme

In order to realize the purpose that the electrode is stably clamped and is not easy to fall off, the invention provides the following technical scheme: a numerical control spark machine with a high-rigidity machine tool structure comprises a spark machine body, wherein a workbench is mounted at the top of a base of the spark machine body, a connecting support is mounted at the top of the workbench, an electrode holder is mounted on the connecting support, a socket is fixedly connected to the center of the left side of the electrode holder, electrodes are movably inserted in the socket, a first outer chute is formed in the left side of the electrode holder, the number of the first outer chutes is two, the two first outer chutes are symmetrically distributed around the socket, a moving block is slidably connected inside the first outer chute, first inner chutes are formed in the inner wall of the front side and the inner wall of the rear side of the first outer chute, a first spring is arranged in the first inner chute, a clamping arm is hinged to the left side of the moving block, a clamping block is hinged to one end, away from the moving block, of the clamping arm, and a connecting seat is hinged to the right end of the clamping block, the connecting seat is connected with the left side of the electrode seat through a screw, and the inner wall of the right side of the first outer sliding groove is provided with a connecting groove.

The right side of the moving block is fixedly connected with a toothed plate, the tooth surface of the toothed plate is meshed with a driving wheel, a rotating shaft is fixedly connected inside the driving wheel, the front end of the rotating shaft of the driving wheel is rotationally connected with the front inner wall of an electrode holder, the rear end of the rotating shaft of the driving wheel is rotationally connected with the rear inner wall of the electrode holder, driven shafts are arranged inside the electrode holder, the number of the driven shafts is two, the two driven shafts are symmetrically distributed about a socket, the rear end of the driven shaft is rotationally connected with the rear inner wall of the electrode holder, the front end of the driven shaft is rotationally connected with the front inner wall of the electrode holder, driven wheels are fixedly connected to the side surfaces of the two driven shafts, the two driven wheels are meshed, the two driven shafts are respectively connected with the rotating shafts of the two driving wheels through belt transmission, and a brake ratchet, the brake ratchet wheel is arranged on the front side of the driven wheel above, a brake plate is arranged on the side surface of the brake ratchet wheel, a fixed support is rotatably connected to the outside of the brake plate, an access plate is fixedly connected to the bottom of the fixed support, a linkage rod is fixedly connected to the front of the fixed support, a second outer sliding groove is formed in the front of the electrode holder, a second inner sliding groove is formed in each of the inner walls of the left side and the right side of the second outer sliding groove, a guide rod is fixedly connected to the inner top wall of the second outer sliding groove, a sliding sleeve is slidably connected to the side surface of the guide rod, the bottom end of the sliding sleeve is fixedly connected to the top of the linkage rod, the side surface of the sliding sleeve is slidably connected to the second outer sliding groove, a second spring is fixedly connected to the top end of the sliding sleeve, the second spring is movably sleeved to the side surface of the guide rod, the equal fixedly connected with stopper in the left and right sides of sliding sleeve, spout sliding connection in stopper and the second, the front side inner wall of spout has seted up and has run through the groove in the second, run through the groove and communicate with the front of electrode holder, the inside threaded connection of stopper has the dead lever, the rear side inner wall threaded connection of spout in dead lever and the second.

Preferably, the front and the back of the moving block are provided with protrusions, the protrusions extend into the first inner sliding groove, the moving block abuts against the first spring, and one end, far away from the moving block, of the first spring is fixedly connected with the inner side wall of the first inner sliding groove.

Preferably, the front and the back of the toothed plate are respectively attached to the inner wall of the front side and the inner wall of the rear side of the connecting groove, and the toothed plate is connected with the connecting groove in a sliding manner.

Preferably, the belt located above is disposed on the rear side of the drive wheel located above and the driven wheel located above, and the belt located below is disposed on the front side of the drive wheel located below and the driven wheel located below.

Preferably, the front end of the linkage rod extends out of the electrode holder through a second outer sliding groove, and the linkage rod is connected with the second outer sliding groove in a sliding mode.

Preferably, the outer diameter of the fixing rod is smaller than the width of the through groove.

Compared with the prior art, the invention provides a numerical control spark machine with a high-rigidity machine tool structure, which has the following beneficial effects:

1. the numerical control spark machine with the high-rigidity machine tool structure comprises a toothed plate, a driving wheel, a belt, a driven wheel, a braking ratchet wheel, a braking plate, a fixed support, an attachment strap, a linkage rod, a guide rod, a second spring, a sliding sleeve, a limiting block and a fixed rod, wherein before an electrode is inserted into the electrode, the two movable blocks are positioned at positions far away from a socket, at the moment, the two first springs are compressed, when the electrode is inserted into the socket, the movable blocks are loosened, the electrode can be clamped by the clamping blocks through transmission of the toothed plate, the driving wheel, the belt, the driven wheel and the like, if the movable blocks are pulled towards the direction far away from the socket, the movable blocks cannot be pulled due to the action of the braking plate and the braking ratchet wheel, the clamping blocks can keep a clamping posture, the falling of the electrode is avoided, if the electrode needs to be replaced, only the fixed rod needs to be screwed, the sliding sleeve is moved upwards, the electrode can be pulled, the electrode may fall off during the process.

2. This numerical control spark machine with high rigidity lathe structure through setting up movable block, centre gripping wall, clamp splice and first spring, the resilience of first spring can make the clamp splice grasp the electrode fast, and through the inside drive mechanism of electrode holder, can realize two clamp splices centre gripping simultaneously, has improved efficiency, has simplified the operation.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a sectional view of the electrode holder in elevation view;

FIG. 3 is an enlarged view of a portion of A of FIG. 2;

FIG. 4 is a front view of the electrode holder of the present invention;

FIG. 5 is an enlarged view of a portion of B of FIG. 4 according to the present invention;

fig. 6 is an enlarged view of a portion of C in fig. 1 according to the present invention.

Wherein: 1. a spark machine body; 2. a work table; 3. connecting a bracket; 4. an electrode holder; 5. a first outer chute; 6. a moving block; 7. a first inner chute; 8. a first spring; 9. a clamp arm; 10. a clamping block; 11. connecting seats; 12. an electrode; 13. a socket; 14. connecting the grooves; 15. a toothed plate; 16. a drive wheel; 17. a belt; 18. a driven wheel; 19. a driven shaft; 20. braking the ratchet wheel; 21. a brake plate; 22. a fixed support; 23. a butt strap; 24. a linkage rod; 25. a second outer chute; 26. a second inner chute; 27. a limiting block; 28. fixing the rod; 29. a guide bar; 30. a second spring; 31. a sliding sleeve; 32. and a through groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a numerical control spark machine with a high rigidity machine tool structure, including a spark machine body 1, a worktable 2 is installed on the top of a base of the spark machine body 1, a connecting bracket 3 is installed on the top of the worktable 2, an electrode holder 4 is installed on the connecting bracket 3, a socket 13 is fixedly connected to the center of the left side of the electrode holder 4, an electrode 12 is movably inserted in the socket 13, when the electrode 12 is inserted into the socket 13, the electrode 12 can only do a pull-and-insert linear motion along the socket 13, so as to be convenient for positioning, a first outer chute 5 is provided on the left side of the electrode holder 4, the number of the first outer chutes 5 is two, the two first outer chutes 5 are symmetrically distributed with respect to the socket 13, a moving block 6 is slidably connected to the inside of the first outer chute 5, a first inner chute 7 is provided on both the front side inner wall and the rear side inner chute 7, a first spring 8 is provided in, first spring 8 can freely stretch out and draw back in first interior spout 7, the front and the back of movable block 6 are equipped with the arch, and the arch extends to in first interior spout 7, movable block 6 supports with first spring 8 and holds, first spring 8 kick-backs and can promote clamp splice 10 and carry out the centre gripping to electrode 12, the one end that movable block 6 was kept away from to first spring 8 and the side inner wall fixed connection of first interior spout 7, the left side of movable block 6 articulates there is centre gripping arm 9, the one end that movable block 6 was kept away from to centre gripping arm 9 articulates there is clamp splice 10, the right-hand member of clamp splice 10 articulates there is even seat 11, even seat 11 passes through the screw connection with the left side of electrode holder 4, even groove 14 has been seted up to the right side inner wall of first outer spout 5, first outer spout 5 is through even the inside intercommunication of groove 14 with electrode holder 4.

A toothed plate 15 is fixedly connected to the right side of the moving block 6, the front side and the back side of the toothed plate 15 are respectively attached to the front inner wall and the back inner wall of the connecting groove 14, the toothed plate 15 is in sliding connection with the connecting groove 14, the tooth surface of the toothed plate 15 is engaged with a driving wheel 16, a rotating shaft is fixedly connected to the inside of the driving wheel 16, the front end of the rotating shaft of the driving wheel 16 is rotatably connected with the front inner wall of the electrode holder 4, the back end of the rotating shaft of the driving wheel 16 is rotatably connected with the back inner wall of the electrode holder 4, driven shafts 19 are arranged inside the electrode holder 4, the number of the driven shafts 19 is two, the two driven shafts 19 are symmetrically distributed about the socket 13, the back end of the driven shaft 19 is rotatably connected with the back inner wall of the electrode holder 4, the front end of the driven shaft 19 is rotatably connected with the front inner wall of the electrode holder 4, driven wheels 18 are fixedly connected to the side surfaces of, the rebound of the first spring 8 can enable the clamping blocks 10 to rapidly clamp the electrode 12, and the two clamping blocks 10 can be clamped simultaneously through a transmission mechanism in the electrode holder 4, so that the efficiency is improved, and the operation is simplified, the belt 17 positioned above is arranged at the rear side of the driving wheel 16 positioned above and the driven wheel 18 positioned above, the belt 17 positioned below is arranged at the front side of the driving wheel 16 positioned below and the driven wheel 18 positioned below, the side surface of the driven shaft 19 positioned above is fixedly connected with a braking ratchet wheel 20, the braking ratchet wheel 20 is arranged at the front side of the driven wheel 18 positioned above, the side surface of the braking ratchet wheel 20 is provided with a braking plate 21, the outer part of the braking plate 21 is rotatably connected with a fixed support 22, the bottom of the fixed support 22 is fixedly connected with an attachment plate 23, the braking plate 21 is in contact with the braking ratchet wheel 20, and when the driven wheel 18 coaxial with the braking, if the driven wheel 18 coaxial with the brake ratchet 20 rotates clockwise, the rotation cannot occur under the action of the brake plate and the access plate 23, and the problem that the clamping block 10 is loosened and the electrode 12 falls off is avoided, the front surface of the fixed support 22 is fixedly connected with the linkage rod 24, the front surface of the electrode holder 4 is provided with the second outer sliding groove 25, the left inner wall and the right inner wall of the second outer sliding groove 25 are both provided with the second inner sliding groove 26, the inner top wall of the second outer sliding groove 25 is fixedly connected with the guide rod 29, the side surface of the guide rod 29 is slidably connected with the sliding sleeve 31, the front end of the linkage rod 24 extends out of the electrode holder 4 through the second outer sliding groove 25, the linkage rod 24 is slidably connected with the second outer sliding groove 25, the bottom end of the sliding sleeve 31 is fixedly connected with the top of the linkage rod 24, the side surface of the sliding sleeve 31 is slidably connected with the second outer sliding groove 25, the top end of the sliding, one end of the second spring 30 far away from the sliding sleeve 31 is fixedly connected with the inner top wall of the second outer sliding groove 25, a limiting block 27 is fixedly connected with the left side and the right side of the sliding sleeve 31, the limiting block 27 is slidably connected with the second inner sliding groove 26, a through groove 32 is formed in the front inner wall of the second inner sliding groove 26, the through groove 32 is communicated with the front face of the electrode seat 4, a fixing rod 28 is connected with the inner thread of the limiting block 27, the outer diameter of the fixing rod 28 is smaller than the width of the through groove 32, the fixing rod 28 is in threaded connection with the rear inner wall of the second inner sliding groove 26, if the electrode 12 needs to be replaced, the fixing rod 28 only needs to be screwed, the sliding sleeve 31 is moved upwards, the second spring 30 is compressed, under the action of the linkage rod 24, the fixing support 22 drives the braking plate 21 to move along with the.

In use, before the electrode 12 is inserted into the socket 13, the fixing rod 28 is screwed, the sliding sleeve 31 is moved upwards, and then the two moving blocks 6 are moved to a position far away from the socket 13, at the moment, the two first springs 8 are compressed, after the electrode 12 is inserted into the socket 13, the movable block 6 is released, the electrode 12 can be clamped by the clamping block 10 through the transmission of the toothed plate 15, the driving wheel 16, the belt 17, the driven wheel 18 and the like, the sliding sleeve 31 is released, the second spring 30 rebounds, the sliding sleeve 31 resets, the fixed rod 28 is screwed, if the movable block 6 is pulled towards the direction far away from the socket 13, the movable block 6 cannot be pulled due to the action of the braking plate 21 and the braking ratchet wheel 20, the clamping block 10 can keep the clamping posture to avoid the falling off of the electrode 12, if the electrode 12 needs to be replaced, the fixed rod 28 is only screwed to move the sliding sleeve 31 upwards, and the electrode 12 can be pulled out after the braking plate 21 is far away from the braking ratchet wheel 20.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A numerical control spark machine with high rigidity lathe structure, includes spark machine body (1), its characterized in that: the spark machine comprises a spark machine body (1), wherein a workbench (2) is installed at the top of a base of the spark machine body (1), a connecting support (3) is installed at the top of the workbench (2), electrode holders (4) are installed on the connecting support (3), a socket (13) is fixedly connected to the center of the left side of each electrode holder (4), electrodes (12) are movably inserted into the socket (13), a first outer chute (5) is formed in the left side of each electrode holder (4), the number of the first outer chutes (5) is two, the two first outer chutes (5) are symmetrically distributed relative to the socket (13), a movable block (6) is connected to the inner portion of each first outer chute (5) in a sliding manner, first inner chutes (7) are formed in the inner side inner wall of the front side and the inner wall of the rear side of each first outer chute (5), first springs (8) are arranged in the first inner chutes (7), and clamping arms (9) are hinged to the left side of the movable, a clamping block (10) is hinged to one end, far away from the moving block (6), of the clamping arm (9), a connecting seat (11) is hinged to the right end of the clamping block (10), the connecting seat (11) is connected with the left side of the electrode seat (4) through a screw, and a connecting groove (14) is formed in the inner wall of the right side of the first outer sliding groove (5);

the right side fixedly connected with pinion rack (15) of movable block (6), the flank meshing of pinion rack (15) has drive wheel (16), the inside fixedly connected with pivot of drive wheel (16), the front end of drive wheel (16) pivot is rotated with the front side inner wall of electrode holder (4) and is connected, the rear end of drive wheel (16) pivot is rotated with the rear side inner wall of electrode holder (4) and is connected, the inside of electrode holder (4) is equipped with driven shaft (19), the quantity of driven shaft (19) is two, two driven shaft (19) are about socket (13) symmetric distribution, the rear end of driven shaft (19) is rotated with the rear side inner wall of electrode holder (4) and is connected, the front end of driven shaft (19) is rotated with the front side inner wall of electrode holder (4) and is connected, two the side surface fixedly connected with of driven shaft (19) follows driving wheel (18), two from the meshing of driving wheel (18), two driven shaft (19) respectively with two the pivot of drive wheel (16) is passed through belt (17) transmission and is connected, is located the top the side surface fixedly connected with braking ratchet (20) of driven shaft (19), braking ratchet (20) set up and are being located the top from the front side of driving wheel (18), the side surface of braking ratchet (20) is equipped with braking plate (21), the outside rotation of braking plate (21) is connected with fixing support (22), the bottom fixedly connected with strap (23) of fixing support (22), the positive fixedly connected with gangbar (24) of fixing support (22), spout (25) outside the second has been seted up in the front of electrode holder (4), spout (26) in the second has all been seted up to the left side inner wall and the right side inner wall of spout (25) outside the second, the electrode holder is characterized in that the inner top wall of the second outer sliding groove (25) is fixedly connected with a guide rod (29), the side surface of the guide rod (29) is slidably connected with a sliding sleeve (31), the bottom end of the sliding sleeve (31) is fixedly connected with the top of a linkage rod (24), the side surface of the sliding sleeve (31) is slidably connected with the second outer sliding groove (25), the top end of the sliding sleeve (31) is fixedly connected with a second spring (30), the second spring (30) is movably sleeved with the side surface of the guide rod (29), one end of the second spring (30), which is far away from the sliding sleeve (31), is fixedly connected with the inner top wall of the second outer sliding groove (25), the left side and the right side of the sliding sleeve (31) are fixedly connected with limit blocks (27), the limit blocks (27) are slidably connected with the second inner sliding groove (26), a through groove (32) is formed in the inner wall of the front side of the second inner sliding groove (26), and the through groove (, the inner thread of the limiting block (27) is connected with a fixing rod (28), and the fixing rod (28) is in threaded connection with the inner wall of the rear side of the second inner chute (26).

2. A numerically controlled spark machine having a high rigidity machine tool structure according to claim 1, wherein: the front and the back of the moving block (6) are provided with protrusions, the protrusions extend into the first inner chute (7), the moving block (6) is abutted against the first spring (8), and one end, far away from the moving block (6), of the first spring (8) is fixedly connected with the inner side wall of the first inner chute (7).

3. A numerically controlled spark machine having a high rigidity machine tool structure according to claim 1, wherein: the front and the back of toothed plate (15) are respectively attached to the inner wall of the front side and the inner wall of the rear side of connecting groove (14), and toothed plate (15) is connected with connecting groove (14) in a sliding manner.

4. A numerically controlled spark machine having a high rigidity machine tool structure according to claim 1, wherein: the belt (17) is arranged on the rear side of the driving wheel (16) and the driven wheel (18), and the belt (17) is arranged on the front side of the driving wheel (16) and the driven wheel (18).

5. A numerically controlled spark machine having a high rigidity machine tool structure according to claim 1, wherein: the front end of the linkage rod (24) extends out of the electrode holder (4) through a second outer sliding groove (25), and the linkage rod (24) is connected with the second outer sliding groove (25) in a sliding mode.

6. A numerically controlled spark machine having a high rigidity machine tool structure according to claim 1, wherein: the outer diameter of the fixing rod (28) is smaller than the width of the through groove (32).