CN216065888U

CN216065888U - Safety protection device for slow-speed wire-moving machine tool

Info

Publication number: CN216065888U
Application number: CN202122132969.2U
Authority: CN
Inventors: 李中巨; 魏常俊
Original assignee: Kunshan Wucheng Precision Electronics Co ltd
Current assignee: Kunshan Wucheng Precision Electronics Co ltd
Priority date: 2021-09-06
Filing date: 2021-09-06
Publication date: 2022-03-18
Anticipated expiration: 2031-09-06

Abstract

The utility model provides a safety protection device for a slow-speed wire-moving machine tool, and relates to the field of slow-speed wire-moving machine tools. This a safety device for walking silk lathe slowly includes the lathe casing, lathe casing one side swing joint has the stand, the first flexible post of stand bottom one end fixedly connected with, first flexible post one end fixedly connected with protective assembly. This a safety device for walk a lathe slowly only need wave the hand (hold) through rotating after the work piece clamping and drive the axis of rotation and rotate and then begin the rolling pull wire with the take-up coil that the pull wire winding is connected this moment with the ratchet rotation, the second sleeve pipe that pulling and pull wire one end fixed connection rise this moment then drive first sleeve pipe rise until first sleeve pipe and second sleeve pipe receive the inside electrode wire that makes of sleeve pipe receiver and normally work, both make things convenient for the staff to operate and can also play the effect of protection to the electrode wire effectively simultaneously.

Description

Safety protection device for slow-speed wire-moving machine tool

Technical Field

The utility model relates to a safety protection device, in particular to a safety protection device for a slow-speed wire-moving machine tool, and belongs to the technical field of slow-speed wire-moving machine tools.

Background

The slow-speed wire is a kind of numerically controlled machine tool which uses continuously moving fine metal wire (called electrode wire, generally copper wire) as electrode to make pulse spark discharge to workpiece to produce high temperature above 6000 deg.C, remove metal and cut into workpiece. The machining principle of the slow-moving wire machine tool is that a gap exists between a wire electrode and a workpiece, metal is removed by continuous discharge,

the existing slow wire-moving machine tool has no effective protection and protection effect on the wire electrode, the wire electrode is in a filament shape in actual work, so that the machining process is influenced due to the fact that a workpiece is large or other accidents collide with the wire electrode to cause disconnection of the wire electrode in the process of clamping the workpiece by workers, and meanwhile, the wire electrode is exposed in the air when not working, and dust attached to the surface of the wire electrode can be caused to influence the machining precision of the workpiece under the long-term condition.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims to solve the problems that the wire electrode is easy to collide and break and the wire electrode is exposed in the air for a long time and dust is easy to adhere to the wire electrode in the prior art.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: a safety protection device for a slow-speed wire-moving machine tool comprises a machine tool shell, wherein one side of the machine tool shell is movably connected with a stand column, one end of the bottom of the stand column is fixedly connected with a first telescopic column, and one end of the first telescopic column is fixedly connected with a protection assembly;

the protection assembly comprises a first device box, a first fixed seat is fixedly connected to the top of the first device box, a movable shaft is fixedly connected to the top of the first fixed seat, a pawl is movably connected to the top of the movable shaft, a first spring is fixedly connected to the bottom of the pawl, a second fixed seat is fixedly connected to the bottom of the first spring, the second fixed seat is fixedly connected to the top of the first device box, a through groove is formed in the top of the first device box and corresponds to the pawl, a ratchet wheel is meshed and connected to the bottom of one end of the pawl, winding coils are fixedly connected to two sides of the ratchet wheel, a traction wire is wound and connected to the outer sides of the winding coils, a rotating shaft is arranged inside the ratchet wheel, a torsion spring is sleeved on the outer side of the rotating shaft, a third fixed seat is fixedly connected to one end of the rotating shaft, and the rotating shaft is fixedly connected to two sides of the inner wall of the first device box through the third fixed seat, the other end of the rotating shaft penetrates through a shaking handle fixedly connected to one side of the first device box, one end of the traction wire is fixedly connected with a second sleeve, the bottom end of the second sleeve is fixedly connected with a limiting piece, a first sleeve is sleeved on the outer side of the second sleeve, a sleeve containing box is sleeved on the outer side of the first sleeve, and the sleeve containing box penetrates through the bottom of the first device box.

Preferably, the inside fixedly connected with workstation of lathe casing the fixedly connected with supporting legs in lathe casing bottom, lathe casing opposite side swing joint has the dodge gate, dodge gate one side is equipped with operating panel.

Preferably, the bottom of the operation panel is provided with a control key, and the operation panel and the control key are both fixedly connected to the other side of the machine tool shell.

Preferably, the bottom of the limiting piece is provided with a second device box, one side of the second device box is fixedly connected with a second telescopic column, and the second telescopic column penetrates through one side inside the workbench.

Preferably, one side of the inner part of the first device box is fixedly connected with a wire tube, and one end of the wire tube is fixedly connected with a wire electrode fixing block.

Preferably, the number of the supporting legs is four, the number of the torsion springs is two, and the number of the third fixing seats is three.

Preferably, the first telescopic column corresponds to the second telescopic column, and the second telescopic column penetrates through one side of the machine tool shell and is fixedly connected with the upright column.

The utility model provides a safety protection device for a slow-speed wire-moving machine tool, which has the following beneficial effects:

1. this a safety device for walking a lathe slowly makes the pawl other end perk and ratchet lose the meshing connection relation through pressing pawl one end, at this moment under torque spring's effect and torque spring and take up coil fixed connection's relation, it is gyration to take up the coil, the pull wire of being connected with the take up coil winding is loose this moment, the second sleeve pipe of pull wire one end fixed connection begins to descend and then drives first sleeve pipe decline until the spacing piece of second sleeve pipe bottom fixed connection contacts with the second device box, first sleeve pipe, second sleeve pipe and sleeve pipe receiver can wrap up the wire electrode of being connected between first device box and the second device box completely, can play the effect that prevents the dust from attaching to its surface to the wire electrode under the inoperative state of machine tool and reduce the wire electrode and cause the influence because adnexed dust when the during operation to the work piece precision.

2. This a safety device clamping work piece before wire electrode outside is equipped with sleeve pipe for walking a lathe slowly, second sleeve pipe and sleeve pipe receiver can play the wire electrode and prevent that the work piece from causing the cracked possibility of wire electrode to the wire electrode collision equally, only need to wave the hand (hold) through the rotation after the work piece clamping and drive the axis of rotation and rotate and then begin the rolling pull wire thereby drive the ratchet rotate this moment with the take-up coil that the pull wire winding is connected, the second sleeve pipe that pulling and pull wire one end fixed connection rises then drive first sleeve pipe and rise until first sleeve pipe and second sleeve pipe are received and is retracted the inside wire electrode that makes of sleeve pipe receiver, both make things convenient for the staff operation simultaneously can also play the effect of protection to the wire electrode effectively.

Drawings

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

FIG. 2 is an enlarged view of the portion A of FIG. 1 according to the present invention;

FIG. 3 is a cross-sectional view of a portion of the present invention;

FIG. 4 is an enlarged view of the portion B of FIG. 3 according to the present invention;

FIG. 5 is a cross-sectional view of a first device case structure of the present invention.

In the figure: 1. a machine tool housing; 2. a column; 3. supporting legs; 4. a movable door; 5. a work table; 6. an operation panel; 7. a control key; 8. a first telescopic column; 9. a first device cartridge; 10. shaking the handle; 11. a first sleeve; 12. a second sleeve; 13. a limiting sheet; 14. a second device cartridge; 15. a second telescopic column; 16. a cannula housing box; 17. a pull wire; 18. a conduit; 19. a wire electrode fixing block; 20. winding a coil; 21. a ratchet wheel; 22. a pawl; 23. a movable shaft; 24. a first fixed seat; 25. a through groove; 26. a first spring; 27. a second fixed seat; 28. a torsion spring; 29. and a third fixed seat.

Detailed Description

The embodiment of the utility model provides a safety protection device for a slow-speed wire-moving machine tool.

Referring to fig. 1, 2, 3, 4 and 5, the machine tool comprises a machine tool housing 1, a workbench 5 is fixedly connected inside the machine tool housing 1, supporting legs 3 are fixedly connected to the bottom of the machine tool housing 1, a movable door 4 is movably connected to the other side of the machine tool housing 1, an operating panel 6 is arranged on one side of the movable door 4, a control key 7 is arranged at the bottom of the operating panel 6, the operating panel 6 and the control key 7 are both fixedly connected to the other side of the machine tool housing 1, a stand column 2 is movably connected to one side of the machine tool housing 1, one end of the bottom of the stand column 2 is fixedly connected with a first telescopic column 8, and one end of the first telescopic column 8 is fixedly connected with a protection component;

the protection assembly comprises a first device box 9, one side inside the first device box 9 is fixedly connected with a wire tube 18, one end of the wire tube 18 is fixedly connected with an electrode wire fixing block 19, the top of the first device box 9 is fixedly connected with a first fixing seat 24, the top of the first fixing seat 24 is fixedly connected with a movable shaft 23, the top of the movable shaft 23 is movably connected with a pawl 22, the bottom of the pawl 22 is fixedly connected with a first spring 26, the bottom of the first spring 26 is fixedly connected with a second fixing seat 27, the second fixing seat 27 is fixedly connected with the top of the first device box 9, the top of the first device box 9 is provided with a through groove 25, the through groove 25 corresponds to the pawl 22, the bottom of one end of the pawl 22 is meshed and connected with a ratchet wheel 21, two sides of the ratchet wheel 21 are both fixedly connected with take-up coils 20, the outer side of the take-up coils 20 is wound and connected with a traction wire 17, a rotating shaft is arranged inside the ratchet wheel 21, and a torsion spring 28 is sleeved outside the rotating shaft, one end of the rotating shaft is fixedly connected with a third fixing seat 29, the number of the supporting legs 3 is four, the number of the torsion springs 28 is two, the number of the third fixing seats 29 is three, the rotating shaft is fixedly connected with two sides of the inner wall of the first device box 9 through the third fixing seats 29, the other end of the rotating shaft penetrates through one side of the first device box 9 and is fixedly connected with a rocking handle 10, one end of the traction wire 17 is fixedly connected with a second sleeve 12, the bottom end of the second sleeve 12 is fixedly connected with a limiting piece 13, the bottom of the limiting piece 13 is provided with a second device box 14, one side of the second device box 14 is fixedly connected with a second telescopic column 15, the first telescopic column 8 corresponds to the second telescopic column 15, the second telescopic column 15 penetrates through one side of the machine tool shell 1 and is fixedly connected with the upright post 2, the second telescopic column 15 penetrates through one side of the inner part of the workbench 5, the outer side of the second sleeve 12 is sleeved with a first sleeve 11, the outer side of the first sleeve 11 is sleeved with a sleeve accommodating box 16, the cannula housing case 16 penetrates the bottom of the first device case 9.

Referring to fig. 1, fig. 2, fig. 3, and fig. 5 again, the second sleeve 12 and the limiting plate 13 are driven to rise by the traction wire 17, so that the limiting plate 13 drives the first sleeve 11 to stretch, thereby facilitating the operation of the working personnel during working, saving time, and increasing the working efficiency.

Referring to fig. 1 and fig. 2 again, the first telescopic column 8 corresponds to the second telescopic column 15, the second telescopic column 15 penetrates through one side of the machine tool housing 1 and is fixedly connected with the upright column 2, and the upright column 2 is telescopic and movable and controls the first device box 9 and the second device box 14 simultaneously, so that the free adjustment position of the wire electrode can be conveniently adjusted to freely cut a workpiece during working.

When the utility model is used: firstly, when the machine tool is in a non-operating state, one end of the pawl 22 is pressed to enable the other end of the pawl 22 to be tilted and lose a meshing connection relation with the ratchet wheel 21, at the moment, under the action of the torsion spring 28 and the relation that the torsion spring 28 is fixedly connected with the take-up coil 20, the take-up coil 20 rotates, at the moment, the traction wire 17 wound and connected with the take-up coil 20 is loosened, the second sleeve 12 fixedly connected with one end of the traction wire 17 begins to descend and then drives the first sleeve 11 to descend until the limiting piece 13 fixedly connected with the bottom of the second sleeve 12 is contacted with the second device box 14, at the moment, the first sleeve 11, the second sleeve 12 and the sleeve containing box 16 can completely wrap the electrode wires connected between the first device box 9 and the second device box 14, the function of preventing dust from adhering to the surface of the electrode wire in the non-working state of the machine tool can be achieved, and the influence of the dust adhering to the electrode wire on the precision of a workpiece in the working process is reduced.

Meanwhile, when the machine tool starts to work, the first sleeve 11 arranged outside the electrode wire before clamping the workpiece, the second sleeve 12 and the sleeve storage box 16 can also prevent the workpiece from colliding with the electrode wire to cause the possibility of electrode wire breakage, after the workpiece is clamped, the handle 10 is rotated to drive the rotating shaft to rotate, so that the ratchet wheel 21 is driven to rotate, the take-up coil 20 wound and connected with the traction wire 17 at the moment is driven to rotate, then the traction wire 17 starts to be wound, the second sleeve 12 fixedly connected with one end of the traction wire 17 is pulled to ascend, then the first sleeve 11 is driven to ascend until the first sleeve 11 and the second sleeve 12 shrink into the sleeve storage box 16, so that the electrode wire normally works, the operation of workers is facilitated, and meanwhile, the electrode wire can be effectively protected.

The working principle is as follows: the other end of the pawl 22 tilts by pressing one end of the pawl 22 and loses the meshing connection relation with the ratchet wheel 21, at the moment, the take-up coil 20 rotates under the action of the torsion spring 28, the second sleeve 12 fixedly connected with one end of the traction wire 17 starts to descend until the limiting sheet 13 is contacted with the second device box 14, the effect of preventing dust from adhering to the surface of the wire electrode can be achieved in the non-working state of the machine tool, and the influence of the dust adhering to the workpiece precision during the working process of the wire electrode is reduced.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A safety device for a slow-moving wire machine tool, comprising a machine tool housing (1), characterized in that: one side of the machine tool shell (1) is movably connected with an upright post (2), one end of the bottom of the upright post (2) is fixedly connected with a first telescopic column (8), and one end of the first telescopic column (8) is fixedly connected with a protection component;

the protection assembly comprises a first device box (9), a first fixing seat (24) is fixedly connected to the top of the first device box (9), a movable shaft (23) is fixedly connected to the top of the first fixing seat (24), a pawl (22) is movably connected to the top of the movable shaft (23), a first spring (26) is fixedly connected to the bottom of the pawl (22), a second fixing seat (27) is fixedly connected to the bottom of the first spring (26), the second fixing seat (27) is fixedly connected to the top of the first device box (9), a through groove (25) is formed in the top of the first device box (9), the through groove (25) corresponds to the pawl (22), a ratchet wheel (21) is meshed with the bottom of one end of the pawl (22), winding coils (20) are fixedly connected to two sides of the ratchet wheel (21), and a traction wire (17) is wound and connected to the outer side of the winding coils (20), the inside axis of rotation that is equipped with of ratchet (21), axis of rotation outside cover is equipped with torque spring (28), axis of rotation one end fixedly connected with third fixing base (29), the axis of rotation passes through third fixing base (29) fixed connection in first device box (9) inner wall both sides, the axis of rotation other end runs through and waves hand (hold) 10 in first device box (9) one side fixedly connected with, pull wire (17) one end fixedly connected with second sleeve pipe (12), second sleeve pipe (12) bottom fixedly connected with spacing piece (13), second sleeve pipe (12) outside cover is equipped with first sleeve pipe (11), first sleeve pipe (11) outside cover is equipped with sleeve pipe receiver (16), sleeve pipe receiver (16) runs through in first device box (9) bottom.

2. A safety shield for a slow-moving machine tool according to claim 1, wherein: lathe casing (1) inside fixedly connected with workstation (5) lathe casing (1) bottom fixedly connected with supporting legs (3), lathe casing (1) opposite side swing joint has dodge gate (4), dodge gate (4) one side is equipped with operating panel (6).

3. A safety shield for a slow-moving machine tool according to claim 2, wherein: the bottom of the operating panel (6) is provided with a control key (7), and the operating panel (6) and the control key (7) are fixedly connected to the other side of the machine tool shell (1).

4. A safety shield for a slow-moving machine tool according to claim 1, wherein: spacing piece (13) bottom is equipped with second device box (14), second device box (14) one side fixedly connected with second flexible post (15), the flexible post of second (15) run through in workstation (5) inside one side.

5. A safety shield for a slow-moving machine tool according to claim 1, wherein: inside one side fixedly connected with spool (18) of first device box (9), spool (18) one end fixedly connected with wire electrode fixed block (19).

6. A safety shield for a slow-moving machine tool according to claim 2, wherein: the number of the supporting legs (3) is four, the number of the torsion springs (28) is two, and the number of the third fixing seats (29) is three.

7. A safety shield for a slow-moving machine tool according to claim 1, wherein: the first telescopic column (8) corresponds to the second telescopic column (15), and the second telescopic column (15) penetrates through one side of the machine tool shell (1) and is fixedly connected with the upright column (2).