CN220921170U - Automatic lower threading mechanism of butt joint - Google Patents
Automatic lower threading mechanism of butt joint Download PDFInfo
- Publication number
- CN220921170U CN220921170U CN202322670137.5U CN202322670137U CN220921170U CN 220921170 U CN220921170 U CN 220921170U CN 202322670137 U CN202322670137 U CN 202322670137U CN 220921170 U CN220921170 U CN 220921170U
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- threading
- wire
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- unit
- wire threading
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- 210000001503 joint Anatomy 0.000 title claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 230000001360 synchronised effect Effects 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 7
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical group [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 238000004891 communication Methods 0.000 abstract description 4
- 238000005520 cutting process Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000004880 explosion Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
Landscapes
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
The utility model discloses an automatic butt joint lower wire threading mechanism which comprises a fixed wire threading unit and a movable wire threading unit, wherein the fixed wire threading unit is provided with a first wire threading channel, the movable wire threading unit is provided with a second wire threading channel, the movable wire threading unit is provided with a first state and a second state which can be mutually switched, when the movable wire threading unit is in the first state, the bottom surface of a workpiece, the fixed wire threading unit and the movable wire threading unit are provided with preset intervals, when the movable wire threading unit is switched to the second state, the first wire threading channel is in butt joint and communication with a processing hole site of the workpiece through the second wire threading channel, and a wire electrode can sequentially and automatically penetrate through the second wire threading channel and the first wire threading channel after being penetrated out from the processing hole site of the workpiece. By adopting the scheme, the clamping can be effectively prevented, automatic threading can be realized, and the operation efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of wire cutting equipment, in particular to an automatic butt joint lower threading mechanism.
Background
Numerical control wire cutting machines are generally classified into three types: a fast wire cutting machine, a medium wire cutting machine and a slow wire cutting machine; taking a fast wire-electrode cutting machine as an example, the wire electrode reciprocates at a high speed, and the wire-electrode feeding speed is 8-10 m/s. The working principle is as follows: the wire electrode passes through a pre-drilled small hole on a workpiece, the wire electrode is driven by a wire cylinder to reciprocate alternately through a guide wheel, the workpiece is arranged on a conductive workbench through an insulating plate, and the conductive workbench moves in two coordinate directions of a horizontal plane X, Y respectively according to a given control program to synthesize an arbitrary plane curve track. The pulse power supply applies pulse voltage to the wire electrode and the workpiece, the wire electrode is connected with the negative electrode of the pulse power supply, and the workpiece is connected with the positive electrode of the pulse power supply. When an electric pulse is generated, spark discharge is generated between the wire electrode and the workpiece, the instantaneous elbow at the center temperature of the discharge channel can reach more than 10000 ℃, the workpiece metal is melted at high temperature, even a small amount of the workpiece metal is gasified, the working fluid part between the wire electrode and the workpiece is gasified at high temperature, and the gasified working fluid and metal vapor instantaneously and rapidly expand and have the characteristic of explosion. The thermal expansion and the local micro explosion throw out the melted and gasified metal material to realize the electric erosion cutting processing of the workpiece material.
In actual application scene, there is the waste material to drop after the work piece cutting, and in present lathe structure, in order to realize automatic threading, work piece and lower threading mechanism must be as close as possible, this leads to appearing the card material phenomenon easily, and if work piece and lower threading mechanism reserve the interval of enough blanking, then can't realize automatic threading.
Disclosure of utility model
The utility model mainly aims to provide an automatic butt-joint lower threading mechanism, which solves the problems of the background technology, prevents clamping materials and simultaneously realizes automatic threading.
In order to achieve the above-mentioned purpose, the utility model proposes a lower threading mechanism of automatic butt joint, including a fixed threading unit and a movable threading unit, the fixed threading unit has a first threading channel, the movable threading unit has a second threading channel, the movable threading unit has a first state and a second state which can be mutually switched, when the movable threading unit is in the first state, the bottom surface of the workpiece has a preset interval with the fixed threading unit and the movable threading unit, when the movable threading unit is switched to the second state, the first threading channel is in butt joint and communication with the processing hole site of the workpiece through the second threading channel, and the wire electrode can sequentially and automatically pass through the second threading channel and the first threading channel after passing out from the processing hole site of the workpiece.
Further, the first threading channel comprises a telescopic channel, the second threading channel is connected with a threading guide pipe corresponding to the telescopic channel, the upper end of the threading guide pipe is communicated with the second threading channel, the threading guide pipe can move up and down in the telescopic channel, and the movable threading unit is connected with an up-and-down driving mechanism for driving the threading guide pipe to move up or down.
Further, the movable wire threading unit comprises a movable mounting plate, the movable mounting plate is provided with a second wire threading channel for penetrating through the wire electrode, and an eye mold is arranged at the upper port of the second wire threading channel.
Further, the movable mounting plate is connected with a linear guide rail, the fixed threading unit is provided with a sliding block matched with the linear guide rail, and the movable mounting plate is connected with an up-and-down driving mechanism for driving the movable mounting plate to move up or down.
Further, a water inlet is formed in one side of the movable mounting plate, and a water outlet communicated with the water inlet is formed in the movable mounting plate on the periphery of the eye mold.
Further, the fixed threading unit comprises a clamping mechanism and a steering mechanism which are arranged on the first threading channel, the steering mechanism is arranged below the clamping mechanism, and the telescopic channel is communicated with the upper part of the clamping mechanism.
Further, the clamping mechanism comprises a driving wheel set, a driven wheel set, a driving motor and a clutch driving mechanism, wherein a synchronous wheel is arranged at the output end of the driving motor, the driving wheel set is connected with the synchronous wheel through a synchronous belt, and the clutch driving mechanism can drive the driving wheel set to be clamped with or separated from the driven wheel set.
Further, the steering mechanism comprises a guide wheel and a clamping plate matched with the guide wheel.
Preferably, the wire electrode is a molybdenum wire, a copper wire, or a galvanized wire.
Compared with the prior art, the utility model has the following beneficial effects:
1. When the movable wire threading unit is in a first state, the bottom surface of the workpiece, the fixed wire threading unit and the movable wire threading unit have preset intervals, enough space is reserved, waste materials can fall off better during cutting conveniently, and clamping is effectively prevented;
2. When the movable wire threading unit is switched to a second state, the first wire threading channel is in butt joint and communication with the machining hole site of the workpiece through the second wire threading channel, and the wire electrode can sequentially and automatically penetrate through the second wire threading channel and the first wire threading channel after penetrating out from the machining hole site of the workpiece, so that automatic wire threading is realized, and the operation efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the structure of a movable threading unit in a first state according to embodiment 1 of the present utility model;
FIG. 2 is a schematic diagram showing the structure of the movable threading unit in the second state according to embodiment 1 of the present utility model;
Fig. 3 is an enlarged schematic view of a portion a of fig. 2.
Reference numerals illustrate: 100-wire electrode; 200-workpiece; 1-a telescopic channel; 2-a movable mounting plate; 3-eye mould; 4-a filar delivery catheter; 5-linear guide rails; 6-sliding blocks; 7-an up-down driving mechanism; 8-a water inlet; 9-a water outlet; 10-driving wheel sets; 11-driven wheel sets; 12-driving a motor; 13-a clutch driving mechanism; 14-synchronizing wheels; 15-a synchronous belt; 16-guide wheels; 17-splint.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
Example 1: referring to fig. 1 to 3, the utility model provides an automatic butt-joint lower wire threading mechanism, which comprises a fixed wire threading unit and a movable wire threading unit, wherein the fixed wire threading unit is provided with a first wire threading channel, the movable wire threading unit is provided with a second wire threading channel, the movable wire threading unit is provided with a first state and a second state which can be mutually switched, when the movable wire threading unit is in the first state, the bottom surface of a workpiece 200 is provided with a preset interval with the fixed wire threading unit and the movable wire threading unit, when the movable wire threading unit is in the second state, the first wire threading channel is in butt joint and communication with a processing hole site of the workpiece 200 through the second wire threading channel, and a wire electrode 100 can sequentially and automatically pass through the second wire threading channel and the first wire threading channel after being threaded out from the processing hole site of the workpiece 200. The fixed threading unit comprises a clamping mechanism and a steering mechanism which are arranged on the first threading channel, the steering mechanism is arranged below the clamping mechanism, and a telescopic channel 1 is communicated with the upper part of the clamping mechanism. The movable wire threading unit comprises a movable mounting plate 2, the movable mounting plate 2 is provided with a second wire threading channel for penetrating a wire electrode 100, an eye mold 3 is arranged at the top of the second wire threading channel, a wire threading guide pipe 4 corresponding to the telescopic channel 1 is connected below the second wire threading channel, the wire threading guide pipe 4 can vertically move in the telescopic channel 1, a linear guide rail 5 is connected to the movable mounting plate 2, a slider 6 matched with the linear guide rail 5 is arranged on the fixed wire threading unit, the movable mounting plate 2 is connected with an up-down driving mechanism 7 for driving the movable mounting plate to move up or down, a water inlet 8 is arranged on one side of the movable mounting plate 2, and a water outlet 9 communicated with the water inlet 8 is arranged on the movable mounting plate 2 on the periphery of the eye mold 3. The clamping mechanism comprises a driving wheel set 10, a driven wheel set 11, a driving motor 12 and a clutch driving mechanism 13, wherein a synchronous wheel 14 is arranged at the output end of the driving motor 12, the driving wheel set 10 is connected with the synchronous wheel 14 through a synchronous belt 15, and the clutch driving mechanism 13 can drive the driving wheel set 10 to be clamped with or separated from the driven wheel set 11. The steering mechanism comprises a guide wheel 16 and a clamping plate 17 matched with the guide wheel 16. The wire electrode 100 is a molybdenum wire, a copper wire or a galvanized wire, and in this embodiment, the wire electrode 100 is a molybdenum wire.
The working principle of this embodiment is as follows:
Before threading, the upper and lower driving mechanism 7 drives the movable mounting plate 2 to move up to the eye mould 3 at the top of the second threading pipeline to be in butt joint with the hole site of the workpiece 200, the threading guide pipe 4 moves up from the telescopic channel 1, but the lower end of the threading guide pipe is not separated from the telescopic channel 1, at this time, the hole site of the workpiece 200, the first threading channel, the threading guide pipe 4, the telescopic channel 1 and the second threading channel are sequentially communicated to form a closed threading channel, and under the clamping and conveying effect of the clamping and conveying mechanism, molybdenum wires can be automatically threaded in the clamping and conveying mechanism without resistance.
Then, the movable mounting plate 2 moves downwards to reset, the threading guide pipe 4 moves downwards to retract into the telescopic pipeline 1, at the moment, enough space is reserved between the top surface of the movable mounting plate 2 and the bottom surface of the workpiece 200, waste materials can naturally fall off in the cutting process, the situation of material clamping cannot occur, and further the operation efficiency is improved.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.
Claims (9)
1. Automatic lower threading mechanism of butt joint, its characterized in that: including fixed silk unit and activity silk unit of wearing, fixed silk unit of wearing has first silk passageway of wearing, the activity is worn the silk unit and is had the second and wear the silk passageway, the activity is worn the silk unit and is had first state and the second state that can switch each other, works as the activity is worn the silk unit and is for first state the bottom surface of work piece with fixed silk unit the activity is worn the silk unit and is had the interval of predetermineeing, works as the activity is worn the silk unit and is switched to the second state, first silk passageway passes through with the processing hole site of work piece the second passes through the processing hole site butt joint of silk passageway and intercommunication, and the wire electrode can be worn out from the processing hole site of work piece and pass automatically in proper order the second and first silk passageway of wearing.
2. An automatic interfacing lower threading mechanism as set forth in claim 1 and characterized as follows: the first wire threading channel comprises a telescopic channel, the second wire threading channel is connected with a wire threading guide pipe corresponding to the telescopic channel, the upper end of the wire threading guide pipe is communicated with the second wire threading channel, the wire threading guide pipe can move up and down in the telescopic channel, and the movable wire threading unit is connected with an up-and-down driving mechanism for driving the wire threading guide pipe to move up or down.
3. An automatic interfacing lower threading mechanism as set forth in claim 2 wherein: the movable wire threading unit comprises a movable mounting plate, the movable mounting plate is provided with a second wire threading channel for penetrating through the wire electrode, and an eye mold is arranged at the upper port of the second wire threading channel.
4. A self-interfacing underfloor threading mechanism as claimed in claim 3 wherein: the movable mounting plate is connected with a linear guide rail, the fixed threading unit is provided with a sliding block matched with the linear guide rail, and the movable mounting plate is connected with an up-down driving mechanism for driving the movable mounting plate to move up or down.
5. An automatic interfacing lower threading mechanism according to claim 4 and characterized by: a water inlet is formed in one side of the movable mounting plate, and a water outlet communicated with the water inlet is formed in the movable mounting plate on the periphery of the eye mold.
6. An automatic interfacing lower threading mechanism according to claim 5 and characterized by: the fixed threading unit comprises a clamping mechanism and a steering mechanism which are arranged on the first threading channel, the steering mechanism is arranged below the clamping mechanism, and the telescopic channel is communicated with the upper part of the clamping mechanism.
7. An automatic interfacing lower threading mechanism according to claim 6 and characterized by: the clamping mechanism comprises a driving wheel set, a driven wheel set, a driving motor and a clutch driving mechanism, wherein a synchronous wheel is arranged at the output end of the driving motor, the driving wheel set is connected with the synchronous wheel through a synchronous belt, and the clutch driving mechanism can drive the driving wheel set to be clamped with or separated from the driven wheel set.
8. An automatic interfacing lower threading mechanism according to claim 6 and characterized by: the steering mechanism comprises a guide wheel and a clamping plate matched with the guide wheel.
9. An automatic interfacing lower threading mechanism according to any one of claims 1 to 8 and being characterized by: the wire electrode is molybdenum wire, copper wire or galvanized wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322670137.5U CN220921170U (en) | 2023-09-28 | 2023-09-28 | Automatic lower threading mechanism of butt joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322670137.5U CN220921170U (en) | 2023-09-28 | 2023-09-28 | Automatic lower threading mechanism of butt joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220921170U true CN220921170U (en) | 2024-05-10 |
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ID=90965718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322670137.5U Active CN220921170U (en) | 2023-09-28 | 2023-09-28 | Automatic lower threading mechanism of butt joint |
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| Country | Link |
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| CN (1) | CN220921170U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118287775A (en) * | 2024-04-29 | 2024-07-05 | 广州市华晨自动化科技有限公司 | Automatic lower wire feeding mechanism and wire cutting equipment of location correction |
-
2023
- 2023-09-28 CN CN202322670137.5U patent/CN220921170U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118287775A (en) * | 2024-04-29 | 2024-07-05 | 广州市华晨自动化科技有限公司 | Automatic lower wire feeding mechanism and wire cutting equipment of location correction |
| CN118287775B (en) * | 2024-04-29 | 2024-12-03 | 广州市华晨自动化科技有限公司 | Wire cutting equipment |
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