CN218909396U

CN218909396U - Wire-electrode cutting waste molybdenum wire recovery device

Info

Publication number: CN218909396U
Application number: CN202223494882.0U
Authority: CN
Inventors: 孙文辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-04-25
Anticipated expiration: 2032-12-28

Abstract

The utility model discloses a wire-cut waste molybdenum wire recovery device, which belongs to the technical field of wire-cut electric discharge machining auxiliary equipment and comprises a base, a side plate and a molybdenum wire recovery device component, wherein a rechargeable direct-current battery and a direct-current motor speed regulator are arranged in an inner cavity of the base and are connected through a power transmission line, the side plate is provided with a direct-current motor and a transmission component, the direct-current motor is connected with the direct-current motor speed regulator through a power line, and the direct-current motor and the molybdenum wire recovery device component are transmitted through the transmission component. According to the utility model, the direct current motor drives the molybdenum wire recoverer assembly, so that the direct contact between hands of operators and molybdenum wires is avoided, and the mechanical automatic recovery is realized, thereby replacing manual operation by people and improving recovery efficiency and safety. Meanwhile, an operator can also adjust the working state of the motor in real time through a forward and reverse rotation switch and a current adjusting knob on the speed regulator of the direct current motor, so that the molybdenum wire recovery process is safe and controllable.

Description

Wire-electrode cutting waste molybdenum wire recovery device

Technical Field

The utility model belongs to the technical field of wire-cut electrical discharge machining auxiliary equipment, and particularly relates to a wire-cut waste molybdenum wire recovery device.

Background

Wire cutting is a short term for wire cutting by electric spark, and belongs to the field of electric machining. The basic principle of wire cutting machining is to utilize a continuously moving electrode wire to perform pulse spark discharge on a workpiece, corrode the surface of the workpiece to enable the workpiece material to be partially melted or vaporized, and therefore the purposes of cutting the workpiece and removing the material are achieved. Wire cutting is mainly used for processing various precision dies, fine structural parts, various parts with complex shapes and the like.

The electrode wire commonly used for the linear cutting machine is molybdenum wire, wire breakage is a frequent occurrence in the linear cutting process, meanwhile, after the molybdenum wire is used for a long time, the abrasion of the molybdenum wire is large, the discharge is uneven, the processing precision can be reduced, a new molybdenum wire needs to be replaced, and the replacement of the molybdenum wire comprises two aspects of unloading the old molybdenum wire and loading the new molybdenum wire.

How to detach broken molybdenum wires or molybdenum wires which cannot be used continuously from a wire cylinder is generally performed by bare-handed operation of operators, and the operators first find the joints of the broken wires and then continuously pull the molybdenum wires by left and right hands until the molybdenum wires on the wire cylinder are recovered. The method has the following disadvantages: 1. the operation by bare hands is time-consuming and labor-consuming, and the efficiency is very low; 2. because the molybdenum wire is very sharp, the hands of operators are easily scratched in the process of bare-handed recovery, and potential safety hazards exist.

Disclosure of Invention

The utility model aims to solve the problems in the prior art, and provides a wire-cutting waste molybdenum wire recovery device, by which waste molybdenum wires can be rapidly and safely unloaded.

In order to achieve the above object, the present utility model provides the following technical solutions:

a wire-cut waste molybdenum wire recovery device comprises a base, side plates and a molybdenum wire recovery device assembly; the novel molybdenum wire recovery device is characterized in that a rechargeable direct-current battery and a direct-current motor speed regulator are arranged in an inner cavity of the base, the rechargeable direct-current battery is connected with the direct-current motor speed regulator through a power transmission line, a direct-current motor and a transmission assembly are arranged on the side plate, the direct-current motor is connected with the direct-current motor speed regulator through a wire, and the direct-current motor and the molybdenum wire recovery device assembly are transmitted through the transmission assembly.

Further, the molybdenum wire recoverer assembly comprises a rotating shaft, a left recovery disc, a right recovery disc and a plum blossom nut, wherein the left recovery disc and the right recovery disc are connected with the rotating shaft through holes in the left recovery disc and the right recovery disc, and an external thread is arranged on the rotating shaft and connected with an internal thread in the plum blossom nut.

Further, a positive and negative rotation switch and a current adjusting knob are arranged on the direct current motor speed regulator.

Further, a through groove is formed in the bottom of the base.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the direct current motor drives the molybdenum wire recoverer assembly to realize mechanical automatic recovery, so that manual operation is replaced, and recovery efficiency is improved.

2. According to the utility model, the direct contact between the hands of operators and the molybdenum wires is avoided in the automatic recovery process, and the safety of unloading the waste molybdenum wires is effectively improved.

3. The bottom of the base of the utility model is provided with the through groove, the through groove corresponds to the step size on the cross beam of the linear cutting machine, the positioning and the fixing of the device can be realized by directly clamping the through groove on the through groove, other auxiliary tools are not needed for fixing, the installation is convenient, and the wide application is convenient.

4. The speed regulator of the direct current motor is provided with the forward and reverse rotation switch and the current adjusting knob, and an operator can combine the forward and reverse rotation switch and the current adjusting knob to adjust the working state of the motor in real time, so that the molybdenum wire recovery process is safe and controllable.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the back side of the structure of the present utility model;

FIG. 3 is an exploded view of the structure of the present utility model;

FIG. 4 is a schematic diagram of a molybdenum wire retriever assembly;

FIG. 5 is an enlarged view of a portion of FIG. 4A;

fig. 6 is a schematic diagram of a dc motor governor.

Reference numerals:

1. a base; 11. a rechargeable DC battery; 12. a DC motor speed regulator; 121. a forward/reverse rotation switch; 122. a current adjustment knob; 13. a cover plate; 14. a through groove; 2. a side plate; 21. a DC motor; 22. a transmission assembly; 221. a small synchronizing wheel; 222. a synchronous belt; 223. a large synchronizing wheel; 23. a bearing; 3. a molybdenum wire retriever assembly; 31. a rotation shaft; 32. a left recovery tray; 33. a right recovery tray; 34. a plum blossom nut.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 3, the wire-electrode cutting waste molybdenum wire recovery device comprises a base 1, a side plate 2 and a molybdenum wire recovery device assembly 3. The bottom of the base 1 is provided with a through groove, the through groove corresponds to the size of the step on the cross beam of the linear cutting machine, and the device can be positioned and fixed by being directly clamped on the through groove. The base 1 and the side plate 2 are fixedly connected by adopting screws, the side plate 2 is provided with mounting positions such as through holes, the back surface of the side plate is provided with a transmission assembly 22, the transmission assembly 22 comprises three parts, namely a small synchronous wheel 221, a synchronous belt 222 and a large synchronous wheel 223, a rotating shaft of the direct current motor 21 passes through the through holes of the side plate 2 to be connected with the small synchronous wheel 221, and the small synchronous wheel uses jackscrews to fix the rotating shaft of the direct current motor 21. The rotating shaft 31 of the molybdenum wire recoverer assembly 3 passes through the bearing 23 on the side plate to be connected with the large synchronizing wheel 223, the inner ring of the bearing 23 is in clearance fit with the rotating shaft 31, the outer ring of the bearing 23 is in interference fit with the side plate 2, and the large synchronizing wheel uses jackscrews to fix the rotating shaft 31 of the molybdenum wire recoverer assembly 3. The rechargeable direct current battery 11 and the direct current motor speed regulator 12 are arranged in the inner cavity of the base 1 and are detachably connected through a power transmission line, so that the rechargeable direct current battery 11 can be taken out and charged independently conveniently when no electric quantity exists. The speed regulator 12 of the DC motor is led out again to connect the two power lines to the positive and negative stages of the DC motor 21, and the circuit of the whole device is connected.

As shown in fig. 4 and fig. 5, the molybdenum wire recoverer assembly 3 includes a rotating shaft 31, a left recovery disk 32, a right recovery disk 33, and a plum nut 34, wherein through holes are formed in the left recovery disk 32 and the right recovery disk 33, the rotating shaft 31 is a stepped shaft, one end with a large diameter is connected with a large synchronizing wheel 223, and one end with a small diameter is provided with external threads, and is connected with the left recovery disk 32 and the right recovery disk 33. During installation, the left recovery disk 32 is firstly placed at the shaft shoulder of the rotary shaft 31 through the through hole of the left recovery disk, the right recovery disk 33 is placed in the same way, and finally the plum blossom nut 34 is screwed into the rotary shaft 31 to tightly fasten the left recovery disk and the right recovery disk.

As shown in fig. 6, the dc motor speed regulator 12 is provided with a forward/reverse switch 121 and a current adjusting knob 122, and the forward/reverse switch 121 has the following functions: operators can select the winding mode of the waste molybdenum wires on the molybdenum wire recoverer assembly by themselves, clockwise winding is selected to be transmitted positively, and reverse rotation is performed reversely. The current adjustment knob 122 then functions as: and (3) adjusting the recovery speed of the waste molybdenum wires, reducing the speed when the recovery of the molybdenum wires is about to end, and closing the switch after the recovery is finished, so that the waste molybdenum wires in high-speed rotation are prevented from being thrown out due to inertia when the motor is suddenly stopped.

One specific application of this embodiment is: when the device is used, the through groove 14 of the device base 1 is clamped on the cross beam of the linear cutting machine tool to be fixed, then the end part of the waste molybdenum wire is wound between the left recovery disc 32 and the right recovery disc 33 for a plurality of circles, so that the free end of the waste molybdenum wire is connected with the molybdenum wire recovery assembly 3, the waste molybdenum wire on the wire conveying drum of the linear cutting machine tool can be pulled during rotation, at the moment, the switch is started, the direct current motor 21 starts to operate, the molybdenum wire recovery assembly 3 is driven by the transmission assembly 22, along with the rotation of the molybdenum wire recovery assembly 3, the waste molybdenum wire on the wire conveying drum of the linear cutting machine tool is pulled out and uniformly wound between the left recovery disc 32 and the right recovery disc 33, and an operator can rotate the current adjusting knob 122 to increase the current, so that the molybdenum wire recovery assembly 3 rotates fast, and the molybdenum wire on the wire conveying drum of the linear cutting machine tool is rapidly transferred between the left recovery disc 32 and the right recovery disc 33. When the waste molybdenum wires on the wire conveying cylinder are to be transferred, an operator rotates the current adjusting knob 122 to reduce the current to the minimum, and the switch is closed until the waste molybdenum wires on the wire conveying cylinder are completely recovered.

At this time, the waste molybdenum wires on the wire-moving cylinder of the wire-cutting machine tool are completely transferred between the left recovery disk 32 and the right recovery disk 33, an operator unscrews the plum nut 34, takes out the right recovery disk 33, directly takes out the coiled waste molybdenum wires, and completes the recovery work of the waste molybdenum wires.

The foregoing is merely a preferred embodiment of the utility model, and it should be noted that modifications could be made by those skilled in the art without departing from the principles of the utility model, which modifications would also be considered to be within the scope of the utility model.

Claims

1. The wire-cutting waste molybdenum wire recovery device is characterized by comprising a base (1), side plates (2) and a molybdenum wire recovery device assembly (3); the novel molybdenum wire recovery device is characterized in that a rechargeable direct-current battery (11) and a direct-current motor speed regulator (12) are arranged in an inner cavity of the base (1), the rechargeable direct-current battery (11) is connected with the direct-current motor speed regulator (12) through a power transmission line, a side plate (2) is provided with a direct-current motor (21) and a transmission assembly (22), the direct-current motor (21) is connected with the direct-current motor speed regulator (12) through the power transmission line, and the direct-current motor (21) and the molybdenum wire recovery assembly (3) are in transmission through the transmission assembly (22).

2. The wire-cut waste molybdenum wire recycling device according to claim 1, wherein the molybdenum wire recycling device assembly (3) comprises a rotating shaft (31), a left recycling disc (32), a right recycling disc (33) and a plum nut (34), the left recycling disc (32) and the right recycling disc (33) are connected with the rotating shaft (31) through inner through holes of the left recycling disc and the right recycling disc, and external threads are arranged on the rotating shaft (31) and connected with internal threads in the plum nut (34).

3. The wire-cut waste molybdenum wire recovery device according to claim 1, wherein the direct current motor speed regulator (12) is provided with a forward/reverse rotation switch (121) and a current adjusting knob (122).

4. The wire-electrode cutting waste molybdenum wire recovery device according to claim 1, wherein a through groove (14) is formed in the bottom of the base (1).