CN-122008420-A - Wiring structure of single wire cutting machine and cutting method thereof

CN122008420ACN 122008420 ACN122008420 ACN 122008420ACN-122008420-A

Abstract

The application relates to the technical field of hard and brittle material wire cutting equipment, in particular to a wiring structure of a single wire cutting machine and a cutting method thereof, wherein the wiring structure comprises a paying-off unit, a wire collecting unit, a control mechanism and at least two cutting units, the paying-off unit comprises a paying-off motor, a paying-off wheel, a deviation correcting wheel assembly and a left tension arm, the paying-off wheel, the deviation correcting wheel assembly and the left tension arm are sequentially arranged along the wire running direction, and the paying-off motor is connected with the paying-off wheel; each cutting unit is correspondingly provided with a transverse moving platform, each cutting unit comprises two cutting wheels arranged at two ends of the corresponding transverse moving platform, a main shaft is arranged between every two adjacent cutting units, each main shaft is correspondingly provided with a driving motor, the driving motors are connected with the corresponding main shafts, and the wire collecting unit comprises a wire collecting motor, a right tension arm and a wire collecting wheel which are sequentially arranged along the wire running direction, and the wire collecting motor is connected with the wire collecting wheel. Through the arrangement, tension stability control, wire loss control and multi-station cooperative cutting can be realized simultaneously, and meanwhile, the operation is convenient.

Inventors

LIU DEGUI
ZHOU LINGFEI
GAO LEIMING
WU LIDONG
ZHANG DONGSHENG
Xia Songhe
WANG LONG
YANG XIN
Xu Bangjuan

Assignees

天通银厦新材料有限公司

Dates

Publication Date: 20260512
Application Date: 20260316

Claims (10)

1. A wiring structure of a single wire cutting machine, characterized by comprising: the paying-off unit comprises a paying-off motor, a paying-off wheel, a deviation correcting wheel assembly and a left tension arm, wherein the paying-off wheel, the deviation correcting wheel assembly and the left tension arm are sequentially arranged along the wiring direction, the paying-off motor is connected with the paying-off wheel, the paying-off motor is used for driving the paying-off wheel to release the diamond wire, and the left tension arm is used for adjusting the tension of the diamond wire in the paying-off process of the paying-off wheel; Each cutting unit is correspondingly provided with a transverse moving platform, each cutting unit comprises two cutting wheels arranged at two ends of the corresponding transverse moving platform, a main shaft is arranged between every two adjacent cutting units, each main shaft is correspondingly provided with a driving motor, and the driving motor is connected with the corresponding main shaft; The wire winding unit comprises a wire winding motor, a right tension arm and a wire winding wheel, wherein the right tension arm and the wire winding wheel are sequentially arranged along the wire winding direction, the wire winding motor is connected with the wire winding wheel, the wire winding motor is used for driving the wire winding wheel to recycle the diamond wire, and the right tension arm is used for adjusting the tension of the diamond wire in the wire winding process of the wire winding wheel; The control mechanism is respectively connected with the paying-off motor, the winding motor, the deviation correcting wheel assembly, each traversing platform, each cutting wheel and each driving motor; and the diamond wire sequentially passes through the paying-off unit and the cutting wheels of the cutting units and is recovered by the wire collecting unit to form a closed loop wiring path.
2. The wire routing structure of single wire cutting machine of claim 1, wherein a polytetrafluoroethylene layer is provided on a surface of a guide wheel of the deviation rectifying wheel assembly.
3. The wiring structure of the single wire cutting machine according to claim 1, wherein in the threading mode, when the left tension arm and the right tension arm are in a free state, the left tension arm and the right tension arm naturally sag due to gravity, and the control mechanism is configured to automatically record the sagging positions of the left tension arm and the right tension arm as zero reference of the left tension arm and the right tension arm, respectively.
4. The wire arrangement structure of a single wire cutting machine according to claim 1, wherein the wire paying-off unit further comprises a first wire guiding wheel and a second wire guiding wheel, the first wire guiding wheel is arranged between the deviation correcting wheel assembly and the left tension arm and used for guiding the diamond wire to run from the deviation correcting wheel assembly to the left tension arm, and the second wire guiding wheel is arranged between the left tension arm and a cutting wheel, which is positioned at the first position in the wire arrangement direction, on the side, close to the left tension arm, of the cutting unit and used for guiding the diamond wire to run from the left tension arm to a cutting area.
5. The wire routing structure of the single wire cutting machine according to claim 1, wherein the wire take-up unit further includes a third wire guide wheel and a fourth wire guide wheel, the third wire guide wheel is disposed between the right tension arm and a cutting wheel located at a side close to the right tension arm in the cutting unit at a last position in a wire running direction for guiding the diamond wire to run from a cutting area to the right tension arm direction, and the fourth wire guide wheel is disposed between the right tension arm and the wire take-up wheel for guiding the diamond wire to run from the right tension arm to the wire take-up wheel direction.
6. A cutting method of a wiring structure of a single wire cutting machine, characterized by being applied to the wiring structure of the single wire cutting machine as claimed in any one of claims 1 to 5, the method comprising: Controlling a paying-off motor to drive a paying-off wheel to release a diamond wire with a first preset length through a control mechanism, and adjusting the tension to a first preset tension value through a left tension arm so that the diamond wire is conveyed and sequentially passes through cutting wheels of all the cutting units, so as to finish wiring of a wiring path; Each driving motor is controlled by the control mechanism to drive the corresponding main shaft to operate, the diamond wire is driven by the rotation of the main shaft to move along the travelling path at a high speed so as to drive the cutting wheels of the cutting units which bypass the main shaft to operate in a driven mode, and each traversing platform is controlled to synchronously move so as to complete synchronous cutting of multi-station workpieces in cooperation with a feeding system; After cutting is completed, controlling a wire winding motor to drive a wire winding wheel to recycle the diamond wire with a second preset length through the control mechanism, maintaining tension stability through a right tension arm, and simultaneously realizing uniform arrangement of the diamond wire on the wire winding wheel through controlling the rotation speed difference and the running direction of the wire unwinding motor and the wire winding motor; wherein the difference between the first predetermined length and the second predetermined length is a fixed amount of loss for a single cutting cycle.
7. The cutting method of the wiring structure of the single wire cutting machine according to claim 6, wherein the fixed loss amount is achieved by controlling a difference between the first predetermined length and the second predetermined length by the control mechanism, and the fixed loss amount is generated by friction between a cutting wheel of each cutting unit and a workpiece, and the fixed loss amount is 1-3 m.
8. The cutting method of the wiring structure of the single wire cutting machine according to claim 6, wherein the first predetermined length is 400m, the second predetermined length is 398m, and a difference between the first predetermined length and the second predetermined length is 2m.
9. The method according to claim 6, wherein before the controlling means controls the paying-off motor to drive the paying-off wheel to release the diamond wire of the first predetermined length and adjusts the tension to the first preset tension value by the left tension arm so that the diamond wire is transported and sequentially passes through the cutting wheels of the respective cutting units, the method comprises: In threading mode, when left side tension arm with right side tension arm is in the free state, left side tension arm with right side tension arm is because of gravity effect natural sagging, through control mechanism automatic recording left side tension arm with right side tension arm's sagging position to regard as left side tension arm and right side tension arm's zero position benchmark respectively.
10. The method according to claim 6, wherein after the controlling means controls the take-up motor to drive the take-up wheel to collect the diamond wire of the second predetermined length and the right tension arm to maintain the tension stable, and simultaneously controls the rotational speed difference and the running direction of the pay-off motor and the take-up motor to uniformly arrange the diamond wire on the take-up wheel, comprising: And recording the consumption of the current cutting cycle through the control mechanism, comparing the consumption with a preset loss threshold range, and controlling the single-wire cutting machine to give an alarm under the condition that the consumption exceeds the preset loss threshold range.

Description

Wiring structure of single wire cutting machine and cutting method thereof Technical Field The application relates to the technical field of hard and brittle material wire cutting equipment, in particular to a wiring structure of a single wire cutting machine and a cutting method thereof. Background The wire cutting is a processing method for realizing material cutting by using a moving metal wire as a cutting medium and through the relative movement of the wire and a workpiece, and is widely applied to the precise cutting field of hard and brittle materials and parts with complex shapes. Single wire cutting machines are an important type of wire cutting equipment, and the wiring structure thereof directly affects cutting quality, machining efficiency, and running cost. The existing single-wire cutting machine generally adopts an open wiring structure, and generally comprises a paying-off unit, a wire collecting unit and a plurality of cutting units arranged between the paying-off unit and the wire collecting unit, but in practical application, the wiring structure has the technical defects that firstly, tension adjusting devices are arranged on the paying-off side and the wire collecting side respectively, but effective linkage fit is lacking between the tension adjusting devices on the two sides, so that tension fluctuation is large in different stages of paying-off starting, cutting process, wire collecting stopping and the like, diamond wire breakage or quality reduction of a cutting surface is easy to occur, secondly, cooperative control is lacking between a paying-off wheel and a wire collecting wheel, matching relation between the wire collecting length and the paying-off length is difficult to control accurately, wire consumption fluctuation of a single cutting cycle is large, production cost is increased, thirdly, accurate synchronization is difficult to achieve between the cutting units, cutting errors are large in multi-station machining, and high-precision machining requirements are difficult to meet. Disclosure of Invention In order to solve the problems in the prior art, the application provides a wiring structure of a single wire cutting machine and a cutting method thereof, which can simultaneously realize tension stability control, wire loss control and multi-station cooperative cutting and are convenient to operate. In a first aspect, an embodiment of the present application provides a wiring structure of a single wire cutting machine, including: the paying-off unit comprises a paying-off motor, a paying-off wheel, a deviation correcting wheel assembly and a left tension arm, wherein the paying-off wheel, the deviation correcting wheel assembly and the left tension arm are sequentially arranged along the wiring direction, the paying-off motor is connected with the paying-off wheel, the paying-off motor is used for driving the paying-off wheel to release the diamond wire, and the left tension arm is used for adjusting the tension of the diamond wire in the paying-off process of the paying-off wheel; Each cutting unit is correspondingly provided with a transverse moving platform, each cutting unit comprises two cutting wheels arranged at two ends of the corresponding transverse moving platform, a main shaft is arranged between every two adjacent cutting units, each main shaft is correspondingly provided with a driving motor, and the driving motor is connected with the corresponding main shaft; The wire winding unit comprises a wire winding motor, a right tension arm and a wire winding wheel, wherein the right tension arm and the wire winding wheel are sequentially arranged along the wire winding direction, the wire winding motor is connected with the wire winding wheel, the wire winding motor is used for driving the wire winding wheel to recycle the diamond wire, and the right tension arm is used for adjusting the tension of the diamond wire in the wire winding process of the wire winding wheel; The control mechanism is respectively connected with the paying-off motor, the winding motor, the deviation correcting wheel assembly, each traversing platform, each cutting wheel and each driving motor; and the diamond wire sequentially passes through the paying-off unit and the cutting wheels of the cutting units and is recovered by the wire collecting unit to form a closed loop wiring path. According to some embodiments of the first aspect of the present application, a polytetrafluoroethylene layer is disposed on a surface of a guide wheel of the deviation correcting wheel assembly. According to some embodiments of the first aspect of the present application, in the threading mode, when the left tension arm and the right tension arm are in a free state, the left tension arm and the right tension arm naturally droop due to gravity, and the control mechanism is configured to automatically record the droop positions of the left tension arm and the right tension arm, and to respectively serve as zero