CN210937537U - Electrode wire variable tension adjusting mechanism of electric spark wire cutting machine tool - Google Patents
Electrode wire variable tension adjusting mechanism of electric spark wire cutting machine tool Download PDFInfo
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- CN210937537U CN210937537U CN201920617713.0U CN201920617713U CN210937537U CN 210937537 U CN210937537 U CN 210937537U CN 201920617713 U CN201920617713 U CN 201920617713U CN 210937537 U CN210937537 U CN 210937537U
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Abstract
The utility model provides a variable tension adjustment mechanism of spark-erosion wire cutting machine bed wire electrode, it includes motor, fixed mounting seat, slider I, force transducer, slider II, installs take-up pulley seat, the line rail of take-up pulley, the motor passes through fixed mounting seat to be installed on the lathe bed, slider I, slider II are all installed on the line rail, and both all the line rail freely slide along, the motor pulls one of them slider in two above-mentioned sliders, and another slider then with install the take-up pulley seat fixed connection of take-up pulley, force transducer is connected respectively with two above-mentioned sliders, force transducer's signal output for the operating condition of control motor. The utility model discloses can do in time the adjustment according to the wire electrode tension size of wrap-around take-up pulley in the course of working to obtain the changeable tension of size. In addition, the required different tensions can be conveniently obtained for the electrode wires with different diameters.
Description
Technical Field
The utility model relates to a spark-erosion wire cutting machine bed electrode wire variable tension adjustment mechanism belongs to the spark-erosion machining field.
Background
At present, the widely used reciprocating wire-moving type wire cut electrical discharge machine tool has the problem that the surface roughness and the dimensional accuracy of a machined part are difficult to reach a set range due to the fact that the electrode wire moves in a reciprocating mode continuously and tension is irregularly changed, and therefore, a device for controlling the tension of the electrode wire is widely applied to the more commonly used heavy hammer type tension adjusting device, various spring type adjusting devices and the like. The structure of the electrode wire is different, but the electrode wire has the common characteristic that constant tension with constant size is provided for the electrode wire.
According to previous researches of the applicant, the tension of the electrode wire needs to be changed correspondingly under different conditions in the machining process. The existing tension adjusting device is difficult to achieve the above purpose, and needs to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model provides a spark-erosion wire cutting machine bed electrode wire variable tension adjustment mechanism of tension of electrode wire in time adjusting.
The utility model adopts the technical proposal that:
a wire electrode variable tension adjusting mechanism of a spark wire cutting machine tool is characterized in that,
it comprises a motor, a fixed mounting seat, a sliding block I, a force sensor, a sliding block II, a tensioning wheel seat provided with a tensioning wheel and a line rail,
the motor is arranged on the lathe bed through the fixed mounting seat, the sliding block I and the sliding block II are both arranged on the linear rail and can freely slide along the linear rail,
the motor pulls one of the two slide blocks, the other slide block is fixedly connected with a tension pulley seat provided with a tension pulley,
the force sensor is respectively connected with the two sliding blocks,
and the signal output of the force sensor is used for controlling the working state of the motor.
The further technical proposal is that,
the screw rod is connected with an output shaft of the motor, one of the two sliding blocks is fixedly connected with the nut seat, and the other sliding block is fixedly connected with a tensioning wheel seat provided with a tensioning wheel.
Yet another technical solution is that,
the output shaft of the motor is connected with a synchronous belt wheel, one of the two sliding blocks is fixedly connected with the synchronous belt, and the other sliding block is fixedly connected with a tensioning wheel seat provided with a tensioning wheel.
Yet another technical solution is that,
the device also comprises a steel wire rope, wherein the motor pulls the steel wire rope to move, one of the two sliding blocks is fixedly connected with the steel wire rope, and the other sliding block is fixedly connected with a tensioning wheel seat provided with a tensioning wheel.
Yet another technical solution is that,
the device also comprises a rack and a gear meshed with the rack, an output shaft of the motor and the gear are coaxially arranged, one of the two sliding blocks and the motor synchronously move along the rack, and the other sliding block is fixedly connected with a tension pulley seat provided with a tension pulley.
A further technical proposal is that,
the force sensor is arranged between the sliding block and the tensioning wheel seat provided with the tensioning wheel.
The structure is compact.
The force sensor is a tension sensor or a pressure sensor according to the installation condition of the tension wheel and the slide block through which the electrode wire is wound.
Use force sensor to install the take-up pulley seat of take-up pulley as example with screw seat fixed connection, II fixed connection of slider as force sensor, slider I, the utility model discloses a working process as follows:
the electrode wire pulls the tensioning wheel seat to move towards the right side, and the tension sensor can timely obtain the tension value between the sliding block I and the sliding block II. When the tension of the electrode wire wound by the tension wheel is larger than a set value, the tension sensor gives a signal to control the motor to work reversely, at the moment, the screw rod rotates reversely, the screw base drives the sliding block to move towards one side of the tension wheel base, and the tension value obtained by the tension sensor is reduced until the tension value reaches a set value. When the tension of the electrode wire wound by the tension wheel is smaller than a set value, the tension sensor gives a signal to control the motor to work in the forward direction, at the moment, the screw rod rotates in the forward direction, the screw base drives the sliding block to move towards the side far away from the tension wheel base, and the tension value obtained by the tension sensor is increased until the tension value reaches a set value.
The utility model discloses can do in time the adjustment according to the wire electrode tension size of wrap-around take-up pulley in the course of working to obtain the changeable tension of size. In addition, the required different tensions can be conveniently obtained for the electrode wires with different diameters.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a second embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a third embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a fourth embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a fifth embodiment of the present invention.
The scores in the figures are as follows: 1. the device comprises a motor, 2, a fixed mounting base, 3, a screw rod, 4, a screw base, 5, a sliding block I, 6, a tension sensor, 7, a tension wheel, 8, a tension wheel base, 9, a sliding block II, 10, a linear rail, 11, an electrode wire, 12, a synchronous belt, 13, a synchronous belt wheel, 14, a steel wire rope, 15, a gear, 16, a rack, 17, a pressure sensor, 18 and an output shaft of the motor.
Detailed Description
The invention will be described in detail below with reference to the accompanying drawings, which are simplified schematic drawings and illustrate only the basic structure of the invention in a schematic manner, and embodiments thereof, and thus only show the components relevant to the invention.
Referring to the attached drawing 1, the variable tension adjusting mechanism for the electrode wire of the wire cut electric discharge machine according to the first embodiment of the present invention comprises a motor 1, a fixed mounting seat 2, a lead screw 3, a nut seat 4, a slider i 5, a tension sensor 6, a tension pulley seat 8 with a tension pulley 7, a slider ii 9, and a wire rail 10, wherein the motor 1 is mounted on a lathe bed (not shown) through the fixed mounting seat 2, the lead screw 3 is connected with an output shaft of the motor, the nut on the nut seat 4 is matched with the lead screw 3, the slider i 5 is fixedly connected with the nut seat 4, the slider ii 9 is fixedly connected with the tension pulley seat 8 with the tension pulley 7, the slider i 5 and the slider ii 9 are both mounted on the wire rail 10, the slider i 5 and the slider ii 9 can freely slide along the wire rail 10, the tension sensor 6 is mounted between the slider i 5 and the tension pulley seat 8, and both sides of the tension sensor 6 are respectively connected with the slider, The tension wheel seat 8 is connected, and the signal output of the tension sensor 6 is used for controlling the working state of the motor 1.
The working process of the utility model is as follows:
the tension sensor 6 can timely obtain the tension value between the sliding block I5 and the sliding block II 9. When the tension of the electrode wire 11 wound by the tension wheel is larger than a set value, the tension sensor gives a signal to control the motor to work, at the moment, the screw rod rotates, the screw base drives the sliding block I5 to move towards one side of the tension wheel base 8, and the tension value obtained by the tension sensor 6 is reduced until the tension value reaches a set value. When the tension on the electrode wire 11 wound by the tension wheel is smaller than a set value, the tension sensor 6 gives a signal to control the motor to work and drive the screw rod 3 to rotate, at the moment, the nut seat drives the sliding block I5 to move towards the direction far away from the tension wheel seat 8, the tension on the electrode wire 11 is gradually increased, and the tension value obtained by the tension sensor 6 is increased at the same time until the tension on the electrode wire 11 reaches the set value.
Fig. 2 is the variable tension adjustment mechanism of spark-erosion wire cutting machine bed electrode silk that the utility model discloses second embodiment shows, different from first embodiment, install in the right side of line rail 10 with slider I5 of 4 fixed connection of screw seat, with slider II 9 of the tight pulley seat 8 fixed connection who installs take-up pulley 7, install in the left side of line rail 10, slider I5 and slider II 9 all can follow line rail 10 and freely slide, pressure sensor 17 installs between slider I5 and tight pulley seat 8, pressure sensor 17's both sides are connected with slider I5, tight pulley seat 8 respectively equally.
When the tension of the electrode wire 11 wound by the tension wheel is larger than a set value, the tension sensor gives a signal to control the motor to work, at the moment, the screw rod rotates, the screw base drives the sliding block I5 to move towards the side far away from the tension wheel base 8, and the pressure value obtained by the pressure sensor 17 is reduced until the pressure value reaches a set value. When the tension on the electrode wire 11 wound by the tension wheel is smaller than a set value, the tension sensor 17 gives a signal to control the motor to work and drive the screw rod 3 to rotate, at the moment, the nut seat drives the sliding block I5 to move towards the tension wheel seat 8, the tension on the electrode wire 11 is gradually increased, and meanwhile, the tension value obtained by the pressure sensor 17 is also increased until the tension on the electrode wire 11 reaches the set value.
Fig. 3 is the variable tension adjustment mechanism of spark-erosion wire cutting machine bed electrode silk that the utility model discloses a third embodiment is shown, and is different from the first embodiment, and it has replaced lead screw-nut seat structure with hold-in range and hold-in range, the output shaft of motor is connected with synchronous pulley 13, slider I5 and hold-in range 12 fixed connection, tensioning wheel seat 8 fixed connection slider II 9, and equally, force sensor 6 installs between slider I5 and tensioning wheel seat 8, and force sensor 6's both sides are connected with slider I5, tensioning wheel seat 8 respectively. The working principle of the tension control device is the same as that of the first embodiment, when the tension of the electrode wire 11 wound on the tensioning wheel is larger than a set value, the tension sensor gives a signal to control the motor to drive the synchronous belt 12 to move, at the moment, the sliding block I5 moves towards one side of the tensioning wheel seat 8, and the tension value obtained by the tension sensor 6 is reduced until the set value is reached. When the tension on the wire electrode 11 wound by the tension wheel is smaller than a set value, the tension sensor 6 gives a signal, the motor is controlled to work to drive the synchronous belt 12 to move reversely, the sliding block I5 is driven to move towards the direction far away from the tension wheel seat 8, the tension on the wire electrode 11 is gradually increased, and the tension value obtained by the tension sensor 6 is also increased at the same time until the tension on the wire electrode 11 reaches the set value.
Fig. 4 shows a wire electrode variable tension adjusting mechanism of an electric spark linear cutting machine according to a fourth embodiment of the present invention, which is different from the second embodiment only in that it replaces a screw-nut seat structure with a wire rope winding structure, one end of a wire rope 14 is wound on an output shaft 18 of a motor, and the other end is fixedly connected to a slider i 5. The working principle is the same as in the second embodiment.
Fig. 5 shows a wire electrode variable tension adjusting mechanism of an electric spark linear cutting machine according to a fifth embodiment of the present invention, which is different from the first embodiment in that it replaces a screw-nut seat structure with a gear 15 and a rack 16, the output shaft of the motor is coaxially installed with the gear 15, and a slider i 5 and the motor move synchronously along the rack 16. The working principle is the same as in the first embodiment.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (7)
1. The wire electrode variable tension adjusting mechanism is characterized by comprising a motor, a fixed mounting seat, a sliding block I, a force sensor, a sliding block II, a tensioning wheel seat provided with a tensioning wheel and a wire rail, wherein the motor is mounted on a machine body through the fixed mounting seat, the sliding block I and the sliding block II are both mounted on the wire rail and can freely slide along the wire rail, the motor pulls one of the two sliding blocks, the other sliding block is fixedly connected with the tensioning wheel seat provided with the tensioning wheel, the force sensor is respectively connected with the two sliding blocks, and the signal output of the force sensor is used for controlling the working state of the motor.
2. The wire electrode variable tension adjusting mechanism of the wire cut electric discharge machine according to claim 1, further comprising a lead screw and a nut block, wherein the lead screw is connected with an output shaft of the motor, one of the two sliders is fixedly connected with the nut block, and the other slider is fixedly connected with a tension pulley block on which a tension pulley is mounted.
3. The wire electrode variable tension adjusting mechanism of a wire-cut electric discharge machine according to claim 1, further comprising a synchronous belt, wherein an output shaft of the motor is connected to a synchronous pulley, one of the two sliders is fixedly connected to the synchronous belt, and the other slider is fixedly connected to a tensioner seat on which a tensioner is mounted.
4. The wire electrode variable tension adjusting mechanism of the wire cut electric discharge machine according to claim 1, further comprising a wire rope, wherein the motor pulls the wire rope to move, one of the two sliders is fixedly connected with the wire rope, and the other slider is fixedly connected with a tension pulley seat provided with a tension pulley.
5. The wire electrode variable tension adjusting mechanism of a wire electric discharge machine according to claim 1, further comprising a rack and a gear engaged therewith, wherein the output shaft of the motor is coaxially mounted with the gear, one of the two sliders is synchronously moved along the rack together with the motor, and the other is fixedly connected to a tensioner holder on which a tensioner is mounted.
6. The wire electric discharge machine tool electrode wire variable tension adjusting mechanism according to any one of claims 1 to 5, wherein the force sensor is installed between a slider and a tensioner shoe to which a tensioner is attached.
7. The wire electrode variable tension adjusting mechanism of a wire electric discharge machine according to any one of claims 1 to 5, wherein the force sensor is a tension sensor or a pressure sensor according to a mounting state of a tension pulley and a slider around which the wire electrode is wound.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920617713.0U CN210937537U (en) | 2019-04-30 | 2019-04-30 | Electrode wire variable tension adjusting mechanism of electric spark wire cutting machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920617713.0U CN210937537U (en) | 2019-04-30 | 2019-04-30 | Electrode wire variable tension adjusting mechanism of electric spark wire cutting machine tool |
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| Publication Number | Publication Date |
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| CN210937537U true CN210937537U (en) | 2020-07-07 |
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| CN201920617713.0U Active CN210937537U (en) | 2019-04-30 | 2019-04-30 | Electrode wire variable tension adjusting mechanism of electric spark wire cutting machine tool |
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