CN213410698U

CN213410698U - Improved device of wire conveying mechanism of linear cutting machine

Info

Publication number: CN213410698U
Application number: CN202022065894.6U
Authority: CN
Inventors: 陈爱霞; 吴俊超
Original assignee: Jiujiang University; Jiujiang Vocational and Technical College
Current assignee: Jiujiang University; Jiujiang Vocational and Technical College
Priority date: 2020-09-19
Filing date: 2020-09-19
Publication date: 2021-06-11
Anticipated expiration: 2030-09-19

Abstract

The utility model provides an improved device of a wire conveying mechanism of a linear cutting machine, which comprises a fixed block, wherein a floating stop block is arranged at the rear side of the fixed block, two first springs which are symmetrical up and down are connected between the fixed block and the floating stop block, an upper pull rod and a lower pull rod which are symmetrical up and down are connected at the rear side of the floating stop block, and an adjusting device is arranged in the floating stop block; adjusting device is including the inside spout of the dog that floats, be equipped with first connecting block and second connecting block in the spout, the spout notch is located the dog left side that floats, and all connects on first connecting block and second connecting block left side and be equipped with the connecting rod, it is equipped with the second spring to connect between first connecting block and the second connecting block, first connecting block is fixed in the spout upper end, the second connecting block slides inside the spout. The utility model discloses can prevent that the electrode wire is at the disconnected silk of during operation, and prevent the skew, improve work efficiency.

Description

Improved device of wire conveying mechanism of linear cutting machine

Technical Field

The utility model mainly relates to a wire cutting equipment technical field, concretely relates to wire cutting machine fortune silk mechanism's improvement device.

Background

The electrode wire is a consumable made of noble metal such as molybdenum and the like and provided with a high-voltage electric field to continuously move to cut a workpiece during linear cutting processing, and is wound on a wire cylinder according to a specified trend while two ends are fixed (commonly called as wire feeding). If the electrode wire is installed too loosely, the electrode wire shakes seriously, so that short circuit and backspacing are easy to cause wire breakage, and the surface roughness of a workpiece is directly influenced. However, the wire electrode cannot be installed too tightly, so that internal stress is increased and the wire is broken.

For example, patent No. 201520165899.2 includes a wire conveying frame disposed on a frame of a linear cutting machine, a wire winding drum rotatably disposed on the wire conveying frame and used for winding a molybdenum wire, and a power mechanism disposed on the wire conveying frame and controlling the rotation of the wire winding drum, a liquid collecting tank for collecting working liquid on the molybdenum wire is disposed on the wire conveying frame or the frame, a liquid scraping device for effectively collecting the working liquid on the molybdenum wire in the liquid collecting tank is disposed on the frame, the liquid scraping device includes a liquid scraping member disposed below the molybdenum wire, and the liquid scraping member is located directly above the liquid collecting tank. Although a large amount of working fluid can be prevented from flowing into a part of mechanisms of the linear cutting machine tool, the pollution of the working environment caused by the disordered dripping of the working fluid is effectively prevented, the wire breakage of the wire electrode in the working process cannot be prevented, and the working efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides an improved device of a wire conveying mechanism of a linear cutting machine, which is used for solving the technical problem provided in the background technology.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the improved device of the wire conveying mechanism of the linear cutting machine comprises a fixed block, wherein a floating stop block is arranged on the rear side of the fixed block, two first springs which are symmetrical up and down are connected between the fixed block and the floating stop block, an upper pull rod and a lower pull rod which are symmetrical up and down are connected on the rear side of the floating stop block, and an adjusting device is arranged in the floating stop block; adjusting device is including the inside spout of the dog that floats, be equipped with first connecting block and second connecting block in the spout, the spout notch is located the dog left side that floats, and all connects on first connecting block and second connecting block left side and be equipped with the connecting rod, it is equipped with the second spring to connect between first connecting block and the second connecting block, first connecting block is fixed in the spout upper end, the second connecting block slides inside the spout.

Preferably, the lower end of the fixed block is connected with two symmetrical first telescopic rods, and the lower ends of the two first telescopic rods are connected with a mounting plate. In this preferred embodiment, through first telescopic link and mounting panel, can realize the installation of whole device, and can adjust the height at will, increase the commonality.

Preferably, two the inside second telescopic link that all is equipped with of first spring, just the second telescopic link both ends are connected with fixed block and unsteady dog respectively. In this preferred embodiment, through the second telescopic link, can realize avoiding first spring one end overweight to take place to warp, influence the device effect.

Preferably, the left side of the floating stop block is provided with two protective devices, the two protective devices respectively comprise a first protective disc connected with the other ends of the first connecting block and the second connecting block, the center of the other side of the first protective disc is rotatably connected with a rotating shaft, and the rotating shaft is provided with a second protective disc in a sliding manner. In this preferred embodiment, through protector, can realize restricting the removal of wire electrode in the pivot, avoid the wire electrode position displacement amplitude on the pivot too big, influence the device cutting effect.

Preferably, the second protection dish is kept away from first protection dish a side and is equipped with two installation pieces, every the installation piece all is equipped with the screw hole, uses the screw rod to run through corresponding screw hole for the screw rod compresses tightly in the pivot, thereby makes the second protection dish fixed. In the preferred embodiment, the use of wire electrodes of different sizes is achieved by a movable second shielding plate.

Preferably, the protection device connected with the second connecting block is provided with a clamping plate, the clamping plate is slidably mounted on the rotating shaft, and the clamping plate is located between the first protection disc and the second protection disc. In the preferred embodiment, the avoidance of wire electrode wrapping is achieved by the clamping plate.

Preferably, the second connecting block is located at the bottom of the sliding groove, the second spring is in an unstretched or compressed state, and when the second spring is completely compressed, the upper and lower first protection discs or the second protection disc are not in contact. In the preferred embodiment, by defining the second spring, a better tensioning of the wire electrode can be achieved.

Compared with the prior art, the utility model has the advantages that the device adopts the first spring and the second spring, which are double tense, when processing workpieces with different tapers, the electrode wire is always in a tensioning state, the tensioning force is always smaller than the elasticity of the spring group, the wire is not easy to break, the labor time is shortened, the production efficiency is improved, and the cost is saved; the protection device is adopted, so that the position deviation and winding of the electrode wire are avoided, and the working efficiency is further improved; the mounting plate can be mounted in various types of linear cutting machines, such as a fast wire-moving linear cutting machine and a medium wire-moving linear cutting machine, and has strong universality; the angle of the small taper linear cutting electrode wire is within +/-1.5 degrees, the device is arranged in a four-axis linkage linear cutting machine tool, the processing taper can be increased to +/-15 degrees, an upper special-shaped large taper workpiece and a lower special-shaped large taper workpiece can be processed, and the process range of the linear cutting machine tool is expanded.

The present invention will be explained in detail with reference to the drawings and specific embodiments.

Drawings

Fig. 1 is an isometric view of the present invention;

FIG. 2 is an enlarged perspective view of the protection device of the present invention;

FIG. 3 is a schematic view of the internal structure of the floating stop of the present invention;

fig. 4 is a schematic view of the first spring connection of the present invention.

In the figure: 1. a fixed block; 11. a first spring; 12. an upper pull rod; 13. a lower pull rod; 14. a first telescopic rod; 15. mounting a plate; 16. a second telescopic rod; 2. a floating stop block; 21. a chute; 22. a first connection block; 23. a second connecting block; 24. a connecting rod; 25. a second spring; 3. a guard; 31. a first protection disk; 32. a rotating shaft; 33. a second protective disk; 34. mounting blocks; 35. a threaded hole; 36. and (4) clamping the board.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1 and 4, the present invention provides a technical solution: the utility model provides an improvement device of wire cut electrical discharge machining bed fortune silk mechanism, includes

fixed block

1, 1 rear side of fixed block is equipped with unsteady dog 2, fixed block 1 and unsteady dog 2 between connect two first springs 11 that are equipped with longitudinal symmetry, unsteady dog 2 rear side is connected and is equipped with upper pull rod 12 and lower link 13 of longitudinal symmetry, be equipped with adjusting device in the dog 2 that floats, need tight tension to make when the wire electrode, can tentatively make the wire electrode nervous through first spring 11. The lower end of the fixed block 1 is connected with two symmetrical first telescopic rods 14, the lower ends of the two first telescopic rods 14 are connected with a mounting plate 15, the mounting plate 15 is mounted in a four-axis linkage X-Y-U-V linear cutting machine, and the height of the first telescopic rods 14 is adjusted according to the use condition. Two first spring 11 is inside all to be equipped with second telescopic link 16, just 16 both ends of second telescopic link are connected with fixed block 1 and unsteady dog 2 respectively, and second telescopic link 16 can realize avoiding first spring 11 one end overweight to take place to warp, influence device result of use.

Please refer to fig. 1 and 2 again, the adjusting device includes a sliding groove 21 inside the floating stop block 2, a first connecting block 22 and a second connecting block 23 are arranged in the sliding groove 21, a notch of the sliding groove 21 is located on the left side of the floating stop block 2, the left sides of the first connecting block 22 and the second connecting block 23 are both connected with a connecting rod 24, a second spring 25 is connected between the first connecting block 22 and the second connecting block 23, the first connecting block 22 is fixed on the upper end of the sliding groove 21, the second connecting block 23 slides inside the sliding groove 21, the second connecting block 23 is located at the bottom of the sliding groove 21, the second spring 25 is in an unstretched or compressed state, when the second spring 25 is completely compressed, the upper and lower first protective discs 31 or the second protective discs 33 are not in contact, and by limiting the second spring 25, a better tensed electrode wire can be realized.

Please refer to fig. 1, 2, and 3 again, two protection devices 3 are disposed on the left side of the floating stop block 2, the two protection devices 3 respectively include a first protection disc 31 connected to the other ends of the first connection block 22 and the second connection block 23, a rotation shaft 32 is rotatably connected to the center of the other side of the first protection disc 31, a second protection disc 33 is slidably disposed on the rotation shaft 32, and the first protection disc 31 and the second protection disc 33 limit the movement of the wire electrode on the rotation shaft 32, so that the influence of the position movement amplitude of the wire electrode on the rotation shaft 32 on the cutting effect of the device can be avoided. Two mounting blocks 34 are arranged on one side surface of the second protective disk 33, which is far away from the first protective disk 31, each mounting block 34 is provided with a threaded hole 35, then a screw rod penetrates through the corresponding threaded hole 35, so that the screw rod is tightly pressed on the rotating shaft 32, and the second protective disk 33 is fixed, a clamping plate 36 is arranged on the protective device 3 connected with the second connecting block 23, the clamping plate 36 is slidably mounted on the rotating shaft 32, the clamping plate 36 is positioned between the first protective disk 31 and the second protective disk 33, the position of the second protective disk 33 is moved according to the size of the wire electrode, the clamping plate 36 is moved to the middle of the first protective disk 31 and the second protective disk 33, the wire electrode is wound from the lower end of the lower rotating shaft 32, the wire electrode is positioned between the first protective disk 31 and the clamping plate 36, the wire electrode is wound from the upper end of the upper rotating shaft 32, and then the wire electrode is wound from the lower end of the lower rotating shaft 32, the electrode wire which is wound around this time is positioned between the second protective disk 33 and the clamping plate 36, and then the electrode wire is connected with a U-V shaft guide wheel of the four-shaft linkage linear cutting machine.

The utility model discloses a concrete operation as follows:

a worker installs the mounting plate 15 into a four-axis linkage X-Y-U-V linear cutting machine tool, the height of the first telescopic rod 14 is adjusted according to the using condition, the position of the second protective disk 33 is moved according to the size of the electrode wire, the clamping plate 36 is moved to the middle of the first protective disk 31 and the second protective disk 33, the electrode wire is wound around from the lower end of the lower rotating shaft 32 and is positioned between the first protective disk 31 and the clamping plate 36, the electrode wire is wound around from the upper end of the upper rotating shaft 32 and is then wound around from the lower end of the lower rotating shaft 32, the electrode wire wound around is positioned between the second protective disk 33 and the clamping plate 36, and then the electrode wire is connected with a U-V shaft guide wheel of the four-axis linkage linear cutting machine tool.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, if the method and the technical solution of the present invention are adopted, the present invention can be directly applied to other occasions without substantial improvement, and the present invention is within the protection scope of the present invention.

Claims

1. The utility model provides an improvement device of wire cut electrical discharge machining bed fortune silk mechanism, includes fixed block (1), its characterized in that: a floating stop block (2) is arranged on the rear side of the fixed block (1), two first springs (11) which are symmetrical up and down are connected between the fixed block (1) and the floating stop block (2), an upper pull rod (12) and a lower pull rod (13) which are symmetrical up and down are connected on the rear side of the floating stop block (2), and an adjusting device is arranged in the floating stop block (2);

adjusting device is including inside spout (21) of dog (2) that floats, be equipped with first connecting block (22) and second connecting block (23) in spout (21), spout (21) notch is located dog (2) left side that floats, and first connecting block (22) and second connecting block (23) left side all connect and are equipped with connecting rod (24), it is equipped with second spring (25) to connect between first connecting block (22) and second connecting block (23), first connecting block (22) are fixed in spout (21) upper end, second connecting block (23) slide inside spout (21).

2. The improved device of the wire conveying mechanism of the linear cutting machine as claimed in claim 1, characterized in that: two first telescopic links (14) that are equipped with the symmetry are connected to fixed block (1) lower extreme, two first telescopic link (14) lower extreme is connected and is equipped with mounting panel (15).

3. The improved device of the wire conveying mechanism of the linear cutting machine as claimed in claim 1, characterized in that: two inside second telescopic link (16) that all is equipped with of first spring (11), just second telescopic link (16) both ends are connected with fixed block (1) and unsteady dog (2) respectively.

4. The improved device of the wire conveying mechanism of the linear cutting machine as claimed in claim 1, characterized in that: the utility model discloses a floating block, including unsteady dog (2) left side, two protector (3) include respectively first protection dish (31) of being connected with first connecting block (22) and second connecting block (23) other end, first protection dish (31) opposite side center is rotated and is connected and is equipped with pivot (32), it is equipped with second protection dish (33) to slide on pivot (32).

5. The improved device of the wire conveying mechanism of the linear cutting machine as claimed in claim 4, wherein: two mounting blocks (34) are arranged on one side face, away from the first protective disc (31), of the second protective disc (33), each mounting block (34) is provided with a threaded hole (35), and a screw penetrates through the corresponding threaded hole (35) so that the screw is pressed on the rotating shaft (32), and the second protective disc (33) is fixed.

6. The improved device of the wire conveying mechanism of the linear cutting machine as claimed in claim 5, wherein: the protective device (3) connected with the second connecting block (23) is provided with a clamping plate (36), the clamping plate (36) is slidably mounted on the rotating shaft (32), and the clamping plate (36) is located between the first protective disc (31) and the second protective disc (33).

7. The improved device of the wire conveying mechanism of the linear cutting machine as claimed in claim 4, wherein: the second connecting block (23) is located at the bottom of the sliding groove (21), the second spring (25) is in an unstretched or compressed state, and when the second spring (25) is completely compressed, the upper and lower first protective discs (31) or the second protective disc (33) are not in contact.