CN220659471U - Wire electrode clamping and conveying mechanism with stable clamping - Google Patents
Wire electrode clamping and conveying mechanism with stable clamping Download PDFInfo
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- CN220659471U CN220659471U CN202322315449.4U CN202322315449U CN220659471U CN 220659471 U CN220659471 U CN 220659471U CN 202322315449 U CN202322315449 U CN 202322315449U CN 220659471 U CN220659471 U CN 220659471U
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- 210000001503 joint Anatomy 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 3
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- 239000012141 concentrate Substances 0.000 abstract description 2
- 238000005520 cutting process Methods 0.000 description 8
- 239000002184 metal Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
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- 230000008094 contradictory effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
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Abstract
The utility model discloses a wire electrode clamping and conveying mechanism with stable clamping, which comprises more than two groups of clamping and conveying wheel groups, wherein the clamping and conveying wheel groups are connected through a transmission assembly to realize synchronous clamping and conveying, each clamping and conveying wheel group comprises a driving wheel group and a driven wheel group, the driving wheel group and the driven wheel group are clamped to form a clamping and conveying channel for clamping and conveying a wire electrode, the driving wheel group is connected with a driving motor, and the driving wheel group and/or the driven wheel group is connected with a clamping driving mechanism, and the clamping driving mechanism can drive the driving wheel group and the driven wheel group to clamp so as to clamp the wire electrode. Through setting up the clamp of more than two sets of clamp and send the wheelset, compare single clamp and send the wheelset, it is more steady to the centre gripping of wire electrode, can effectively avoid single clamp send the wheelset to wire electrode the effort too concentrate and lead to wire electrode wearing and tearing to open the fork even disconnected problem easily.
Description
Technical Field
The utility model relates to the technical field of wire cutting equipment, in particular to a wire electrode clamping and conveying mechanism with stable clamping.
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 any 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 the 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.
When threading, the wire electrode is clamped by the clamping and conveying wheel set in the clamping and conveying mechanism, and in the prior art, the single clamping and conveying wheel set is adopted for clamping and conveying, so that the wire electrode is stressed at one point, slipping easily occurs, clamping and conveying errors occur, and even the wire electrode is worn and split or even disconnected due to overlarge stress.
Disclosure of Invention
The utility model mainly aims to provide a wire electrode clamping and conveying mechanism with stable clamping, solve the problems of the background technology and improve the stability of the clamping and conveying mechanism on the wire electrode.
In order to achieve the above purpose, the utility model provides a wire electrode clamping and conveying mechanism with stable clamping, which comprises more than two groups of clamping and conveying wheel sets, wherein the clamping and conveying wheel sets are connected through a transmission assembly to realize synchronous clamping and conveying, the clamping and conveying wheel sets comprise a driving wheel set and a driven wheel set, the driving wheel set and the driven wheel set are clamped to form a clamping and conveying channel for clamping and conveying a wire electrode, the driving wheel set is connected with a driving motor, and the driving wheel set and/or the driven wheel set are connected with a clamping driving mechanism, and the clamping driving mechanism can drive the driving wheel set and the driven wheel set to clamp so as to clamp the wire electrode.
Further, the driving wheel set comprises a driving gear and a driving pinch wheel which are coaxially arranged, the driven wheel set comprises a driven gear and a driven pinch wheel which are coaxially arranged, the driving wheel set is connected with the output end of the driving motor, and the driving pinch wheel and the driven pinch wheel are clamped to form the pinch channel; the clamping driving mechanism can drive the driving wheel set or the driven wheel set to translate so as to enable the driving gear to be meshed with or separated from the driven gear; when the driving gear is meshed with the driven gear, the driving pinch wheel and the driven pinch wheel clamp the wire electrode, the driving motor can drive the driving gear and the driven gear to synchronously and reversely rotate, and the driving pinch wheel and the driven pinch wheel synchronously and reversely rotate to forwardly or backwardly pinch the wire electrode.
Further, the driving wheel set comprises a driving rotating shaft, the driving gear and the driving pinch wheel are coaxially arranged on the driving rotating shaft, one end of the driving rotating shaft is connected with an output shaft of the driving motor, the driven wheel set comprises a driven rotating shaft, the driven gear and the driven pinch wheel are coaxially arranged on the driven rotating shaft, and the driven rotating shaft is connected with the pinch driving mechanism.
Further, the transmission assembly is a transmission gear, and the driving pinch wheels adjacent to the pinch wheel set are in meshed connection through the transmission gear.
Further, including threading stick and the elevating system who drives its lift, elevating system includes elevating seat and first drive unit, the middle part of elevating seat is equipped with a lift passageway that link up from top to bottom, the lift passageway with press from both sides send the passageway butt joint, threading stick activity is located in the lift passageway, first drive unit can drive threading stick is in go up and down in the lift passageway.
Further, the wire threading rod position correction device comprises a position limiting correction mechanism, wherein the position limiting correction mechanism comprises a position limiting component for limiting and correcting the wire threading rod and a second driving unit for driving the position limiting component, and the second driving unit can drive the position limiting component to act on the wire threading rod to correct the position of the wire threading rod.
Further, the limiting component comprises a limiting block and a connecting arm, the middle of the connecting arm is hinged to the outer wall of the lifting seat, one end of the connecting arm is connected with the second driving unit, the other end of the connecting arm is connected with the limiting block, and the second driving unit can drive the connecting arm to swing so that the limiting block acts on the outer wall of the threading rod.
Further, the lifting mechanism is provided with an induction unit capable of monitoring the height position of the threading rod.
Further, the first driving unit comprises a lifting wheel set and a lifting driving motor for driving the lifting wheel set, the wire rod penetrates through the middle of the lifting wheel set, and the lifting wheel set can clamp the wire rod to ascend or descend.
Further, the lifting wheel group comprises a lifting driving wheel and two supporting wheels, the lifting driving motor can drive the lifting driving wheel to rotate, the lifting driving wheel and the supporting wheels are respectively arranged on two sides of the wire penetrating rod, and the height of the lifting driving wheel is between the heights of the two supporting wheels.
Compared with the prior art, the utility model has the following beneficial effects:
through setting up the clamp of more than two sets of clamp and send the wheelset, compare single clamp and send the wheelset, it is more steady to the centre gripping of wire electrode, can effectively avoid single clamp send the wheelset to wire electrode the effort too concentrate and lead to wire electrode wearing and tearing to open the fork even disconnected problem easily.
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 diagram of a front view of an embodiment of the present utility model;
FIG. 2 is a side view block diagram of an embodiment of the present utility model;
FIG. 3 is a top view of an embodiment of the present utility model;
reference numerals illustrate: 1-driving a wheel set; 2-a driven wheel group; 3-driving a motor; 4-clamping driving mechanism; 5-a drive gear; 6-driving a pinch wheel; 7-a driven gear; 8-a driven pinch wheel; 9-driving a rotating shaft; 10-a driven rotating shaft; 11-a transmission gear; 12-threading a rod; 13-limiting blocks; 14-connecting arms; 15-a second drive unit; a 16-sensing unit; 17-lifting driving motor; 18-lifting driving wheels; 19-supporting wheels.
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.
Referring to fig. 1 to 3, the utility model provides a wire electrode clamping mechanism with stable clamping, which comprises two groups of clamping wheel groups, wherein synchronous clamping is realized between the clamping wheel groups through a transmission component, the clamping wheel groups comprise a driving wheel group 1 and a driven wheel group 2, the driving wheel group 1 and the driven wheel group 2 are clamped to form a clamping passage for clamping a wire electrode, the driving wheel group 1 is connected with a driving motor 3, and the driving wheel group 1 and/or the driven wheel group 2 are connected with a clamping driving mechanism 4, and the clamping driving mechanism 4 can drive the driving wheel group 1 and the driven wheel group 2 to clamp so as to realize clamping of the wire electrode.
Specifically, the driving wheel set 1 comprises a driving gear 5 and a driving pinch wheel 6 which are coaxially arranged, the driven wheel set 2 comprises a driven gear 7 and a driven pinch wheel 8 which are coaxially arranged, the driving wheel set 1 is connected with the output end of the driving motor 3, and the driving pinch wheel 6 and the driven pinch wheel 8 are clamped to form the pinch channel; the clamping driving mechanism 4 can drive the driving wheel set 1 or the driven wheel set 2 to translate so as to enable the driving gear 5 to be meshed with or separated from the driven gear 7; when the driving gear 5 is meshed with the driven gear 7, the driving pinch wheel 6 and the driven pinch wheel 8 clamp the wire electrode, the driving motor 3 can drive the driving gear 5 and the driven gear 7 to synchronously and reversely rotate, and the driving pinch wheel 6 and the driven pinch wheel 8 synchronously and reversely rotate to forwardly or backwardly pinch the wire electrode.
More specifically, the driving wheel set 1 comprises a driving rotating shaft 9, the driving gear 5 and the driving pinch wheel 6 are coaxially arranged on the driving rotating shaft 9, one end of the driving rotating shaft 9 is connected with an output shaft of the driving motor 3, the driven wheel set 2 comprises a driven rotating shaft 10, the driven gear 7 and the driven pinch wheel 8 are coaxially arranged on the driven rotating shaft 10, and the driven rotating shaft 10 is connected with the pinching driving mechanism 4.
In this embodiment, the transmission component is a transmission gear 11, and the driving pinch wheels 6 adjacent to the pinch wheel set are in meshed connection through the transmission gear 11; the two groups of driven wheel groups 2 are connected through a clamping driving mechanism 4, and the clamping driving mechanism 4 can drive the driven wheel groups 2 to translate so as to enable a driving gear 5 to be meshed with or separated from a driven gear 7;
more specifically, the wire feeding rod 12 and a lifting mechanism for driving the wire feeding rod 12 to lift are further included, the lifting mechanism comprises a lifting seat and a first driving unit, a lifting channel which penetrates up and down is arranged in the middle of the lifting seat, the lifting channel is in butt joint with the clamping and conveying channel, the wire feeding rod 12 is movably arranged in the lifting channel, and the first driving unit can drive the wire feeding rod 12 to lift in the lifting channel.
More specifically, the device also comprises a limit correction mechanism, wherein the limit correction mechanism comprises a limit component for carrying out limit correction on the threading rod 12 and a second driving unit 15 for driving the limit component, and the second driving unit 15 can drive the limit component to act on the threading rod 12 so as to correct the position of the threading rod. The limiting component comprises a limiting block 13 and a connecting arm 14, the middle part of the connecting arm 14 is hinged to the outer wall of the lifting seat, one end of the connecting arm 14 is connected with the second driving unit 15, the other end of the connecting arm 14 is connected with the limiting block 13, and the second driving unit 15 can drive the connecting arm 14 to swing so that the limiting block 13 acts on the outer wall of the threading rod 12. The lifting mechanism is provided with an induction unit 16 capable of monitoring the height position of the threading rod 12, and the height of the threading rod 12 is monitored in real time through the induction unit 16, so that feedback to a control system is facilitated, and accurate action control is performed. The first driving unit comprises a lifting wheel set and a lifting driving motor 17 for driving the lifting wheel set, the wire rod 12 penetrates through the middle of the lifting wheel set, and the lifting wheel set can clamp the wire rod 12 to ascend or descend. The lifting wheel set comprises a lifting driving wheel 18 and two supporting wheels 19, the lifting driving motor 17 can drive the lifting driving wheel 18 to rotate, the lifting driving wheel 18 and the supporting wheels 19 are respectively arranged on two sides of the wire threading rod 12, and the height of the lifting driving wheel 18 is located between the heights of the two supporting wheels 19, so that the clamping of the lifting wheel set on the wire threading rod 12 is more stable.
The working principle of this embodiment is as follows:
when threading, the clamping driving mechanism 4 drives the driven wheel set 2 to translate, so that the driven gear 7 is meshed with the driving gear 5, and meanwhile, the driven clamping wheel 8 and the driving clamping wheel 6 are clamped to form a clamping channel, at the moment, the threading rod 12 rises to butt joint with the clamping channel under the action of the lifting wheel set to form a smooth threading channel, and the wire electrode penetrates through the threading channel and then penetrates out of the lower port of the threading rod 12.
Then, the wire rod 12 is clamped downwards by the lifting wheel set, passes through the initial hole site of the workpiece and then is butted with a wire feeding mechanism (not shown in the figure) below the wire feeding equipment, and the wire electrode is continuously clamped and fed under the synchronous action of the two groups of clamping and feeding wheel sets, so that the wire electrode is butted and fed, and finally the wire electrode forms a closed loop, and the wire feeding operation is completed.
Then, the wire rod 12 is clamped upwards by the lifting wheel set to return to the initial position, at this time, the second driving unit 15 drives the connecting arm 14 to swing so that the limiting block 13 acts on the outer wall of the wire rod 12 to correct the end position of the wire rod, and meanwhile, the limiting and fixing functions are achieved on the end of the wire rod 12, so that the wire rod 12 can be effectively prevented from being damaged due to shaking in the wire cutting process.
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 (10)
1. The utility model provides a wire electrode clamp that centre gripping is steady send mechanism which characterized in that: the wire electrode clamping device comprises more than two clamping and conveying wheel sets, synchronous clamping and conveying are realized between the clamping and conveying wheel sets through transmission components, the clamping and conveying wheel sets comprise a driving wheel set and a driven wheel set, the driving wheel set and the driven wheel set are clamped to form a clamping and conveying channel for clamping and conveying the wire electrode, the driving wheel set is connected with a driving motor, and the driving wheel set and/or the driven wheel set is connected with a clamping driving mechanism which can drive the driving wheel set and the driven wheel set to clamp so as to clamp the wire electrode.
2. A smooth gripping wire electrode gripping mechanism as defined in claim 1, wherein: the driving wheel set comprises a driving gear and a driving pinch wheel which are coaxially arranged, the driven wheel set comprises a driven gear and a driven pinch wheel which are coaxially arranged, the driving wheel set is connected with the output end of the driving motor, and the driving pinch wheel and the driven pinch wheel are clamped to form the pinch channel;
the clamping driving mechanism can drive the driving wheel set or the driven wheel set to translate so as to enable the driving gear to be meshed with or separated from the driven gear; when the driving gear is meshed with the driven gear, the driving pinch wheel and the driven pinch wheel clamp the wire electrode, the driving motor can drive the driving gear and the driven gear to synchronously and reversely rotate, and the driving pinch wheel and the driven pinch wheel synchronously and reversely rotate to forwardly or backwardly pinch the wire electrode.
3. A smooth gripping wire electrode gripping mechanism as defined in claim 2, wherein: the driving wheel set comprises a driving rotating shaft, the driving gear and the driving pinch wheel are coaxially arranged on the driving rotating shaft, one end of the driving rotating shaft is connected with an output shaft of the driving motor, the driven wheel set comprises a driven rotating shaft, the driven gear and the driven pinch wheel are coaxially arranged on the driven rotating shaft, and the driven rotating shaft is connected with the pinch driving mechanism.
4. A smooth gripping wire electrode gripping mechanism as defined in claim 3, wherein: the transmission assembly is a transmission gear, and the driving pinch wheels adjacent to the pinch wheel set are in meshed connection through the transmission gear.
5. A smooth gripping wire electrode gripping mechanism as defined in claim 1, wherein: including threading the stick and driving its elevating system who goes up and down, elevating system includes elevating seat and first drive unit, the middle part of elevating seat is equipped with a lift passageway that link up from top to bottom, the lift passageway with press from both sides send the passageway butt joint, threading the stick activity and locating in the lift passageway, first drive unit can drive threading the stick is in go up and down in the lift passageway.
6. The smooth-gripping wire electrode clamping mechanism of claim 5, wherein: the wire threading rod correction device comprises a limiting correction mechanism, wherein the limiting correction mechanism comprises a limiting component for limiting and correcting the wire threading rod and a second driving unit for driving the limiting component, and the second driving unit can drive the limiting component to act on the wire threading rod to correct the position of the wire threading rod.
7. The smooth-gripping wire electrode clamping mechanism of claim 6, wherein: the limiting component comprises a limiting block and a connecting arm, the middle of the connecting arm is hinged to the outer wall of the lifting seat, one end of the connecting arm is connected with the second driving unit, the other end of the connecting arm is connected with the limiting block, and the second driving unit can drive the connecting arm to swing so that the limiting block acts on the outer wall of the threading rod.
8. The smooth-gripping wire electrode clamping mechanism of claim 5, wherein: the lifting mechanism is provided with an induction unit capable of monitoring the height position of the threading rod.
9. The smooth-gripping wire electrode clamping mechanism of claim 5, wherein: the first driving unit comprises a lifting wheel set and a lifting driving motor for driving the lifting wheel set, the wire threading rod penetrates through the middle of the lifting wheel set, and the lifting wheel set can clamp the wire threading rod to ascend or descend.
10. The smooth-gripping wire electrode clamping mechanism of claim 9, wherein: the lifting wheel set comprises a lifting driving wheel and two supporting wheels, the lifting driving motor can drive the lifting driving wheel to rotate, the lifting driving wheel and the supporting wheels are respectively arranged on two sides of the wire threading rod, and the height of the lifting driving wheel is between the heights of the two supporting wheels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322315449.4U CN220659471U (en) | 2023-08-28 | 2023-08-28 | Wire electrode clamping and conveying mechanism with stable clamping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322315449.4U CN220659471U (en) | 2023-08-28 | 2023-08-28 | Wire electrode clamping and conveying mechanism with stable clamping |
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| CN220659471U true CN220659471U (en) | 2024-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202322315449.4U Active CN220659471U (en) | 2023-08-28 | 2023-08-28 | Wire electrode clamping and conveying mechanism with stable clamping |
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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
- 2023-08-28 CN CN202322315449.4U patent/CN220659471U/en active Active
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 |
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