CN117943645A - Automatic wire-connection, wire-threading and wire-dismantling method of wire cutting equipment - Google Patents
Automatic wire-connection, wire-threading and wire-dismantling method of wire cutting equipment Download PDFInfo
- Publication number
- CN117943645A CN117943645A CN202410032537.XA CN202410032537A CN117943645A CN 117943645 A CN117943645 A CN 117943645A CN 202410032537 A CN202410032537 A CN 202410032537A CN 117943645 A CN117943645 A CN 117943645A
- Authority
- CN
- China
- Prior art keywords
- wire
- threading
- clamping
- electrode
- automatic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005520 cutting process Methods 0.000 title claims abstract description 46
- 238000000034 method Methods 0.000 title claims abstract description 32
- 230000007246 mechanism Effects 0.000 claims abstract description 139
- 238000003860 storage Methods 0.000 claims abstract description 58
- 210000001503 joint Anatomy 0.000 claims description 12
- 230000009471 action Effects 0.000 claims description 8
- 230000006698 induction Effects 0.000 claims description 8
- 238000003754 machining Methods 0.000 claims description 8
- 230000002441 reversible effect Effects 0.000 claims description 6
- 238000003032 molecular docking Methods 0.000 description 10
- 238000004804 winding Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 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
- 239000000463 material Substances 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008844 regulatory mechanism Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H11/00—Auxiliary apparatus or details, not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H7/00—Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
- B23H7/02—Wire-cutting
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/82—Recycling of waste of electrical or electronic equipment [WEEE]
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
The invention discloses an automatic wire-connection, wire-threading and wire-dismantling method of wire cutting equipment, which is used for the automatic wire cutting equipment, wherein the automatic wire cutting equipment comprises a wire cylinder, a wire storage quantity dynamic adjusting mechanism, a clamping and feeding mechanism, an upper wire-threading mechanism and a lower wire-threading mechanism, the wire storage quantity dynamic adjusting mechanism is arranged on a wire electrode threading path between the wire cylinder and the clamping and feeding mechanism, a processing station is arranged between the upper wire-threading mechanism and the lower wire-threading mechanism, and a clamping assembly for clamping a movable end of a wire electrode is arranged on the wire cylinder. By adopting the technical scheme of the invention, automatic wire connection, automatic wire threading and automatic wire disassembly can be realized, and the wire cutting processing efficiency is remarkably improved.
Description
Technical Field
The invention relates to the technical field of wire cutting equipment, in particular to an automatic wire-connection, wire-threading and wire-dismantling method of the wire cutting equipment.
Background
Numerical control wire cutting machining is a branch of electric spark machining, and is to cut a workpiece by spark discharge through a wire electrode (molybdenum wire, copper wire and galvanized wire). In numerical control wire cutting processing, the relative movement of a workpiece and a wire electrode is controlled by digital information, and the numerical control wire cutting processing is commonly used for processing high-hardness materials, fine structures, complex shapes, high-precision dimension parts and high-surface-quality parts.
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.
The existing numerical control wire cutting machine tool needs to manually thread, the thread threading needs professional operation, the process is complex, in the wire cutting machining process, if other cutting needs to be machined on the same workpiece, the worker is required to watch, after waiting for cutting at a position, the thread is threaded manually, the next round of cutting is finished, the production efficiency is low, and the machining cost is high.
Disclosure of Invention
The invention mainly aims to provide an automatic wire-connection, wire-threading and wire-dismantling method for wire-cutting equipment, which solves the problems of the background technology and realizes automatic wire-connection, wire-threading and wire-dismantling.
In order to achieve the above-mentioned purpose, the present invention provides a method for automatically connecting, threading and dismantling wire of a wire cutting device, which is used for an automatic wire cutting device, the automatic wire cutting device comprises a wire cylinder, a wire storage amount dynamic adjusting mechanism, a clamping and feeding mechanism, an upper threading mechanism and a lower threading mechanism, the wire storage amount dynamic adjusting mechanism is arranged on a wire electrode threading path between the wire cylinder and the clamping and feeding mechanism, a processing station is arranged between the upper threading mechanism and the lower threading mechanism, and a clamping component for clamping a movable end of a wire electrode is arranged on the wire cylinder, and the method is characterized in that: the method comprises the following steps:
S1, cutting off a section of wire electrode so that the wire cylinder rotates from a first preset position to a second preset position, releasing the wire electrode with preset length, and finishing primary fixed length;
S2, placing a product to be processed on a processing station, clamping and conveying the wire electrode forwards under the combined action of the clamping and conveying mechanism and the wire barrel, stopping rotating the wire barrel until the wire barrel rotates to a second preset position, enabling the wire storage quantity dynamic adjusting mechanism to be provided with a preset wire storage quantity through forward rotation/reverse rotation of the clamping and conveying mechanism, then releasing part of the wire storage quantity dynamic adjusting mechanism, clamping and conveying the wire electrode forwards, enabling the movable end of the wire electrode to reach a preset induction position, and finishing accurate length fixing;
S3, the clamping assembly on the wire cylinder is opened, the wire storage quantity dynamic adjusting mechanism continues to release the wire storage quantity, the movable end of the wire electrode reaches the clamping position of the clamping assembly under the clamping of the clamping mechanism, the clamping assembly clamps, the movable end of the wire electrode is clamped, and automatic wire connection is completed;
And S4, after the wire cutting machining operation is finished, the wire barrel rotates to a second preset position and stops rotating, the movable end of the wire electrode is clamped backwards to be separated from the clamping assembly, and then the movable end of the wire electrode returns to the upper wire threading mechanism under the action of the wire barrel and the clamping mechanism, so that automatic wire detaching is finished.
Further, in step S1, the wire cylinder starts to rotate from the first preset position to release the wire electrode, the movable end of the wire electrode sequentially passes through the wire storage amount dynamic adjusting mechanism, the upper wire feeding mechanism and the lower wire feeding mechanism, and is clamped forward under the clamping of the clamping mechanism, the rotation of the wire cylinder stops when the wire cylinder rotates to the second preset position, the wire storage amount dynamic adjusting mechanism is provided with the preset wire storage amount through the forward rotation/reverse rotation of the clamping mechanism, the wire electrode exceeding the preset length is sheared, the primary wire feeding and the fixed length are completed, and the wire electrode is clamped backward to be returned to the upper wire feeding mechanism.
Further, before step S1, when the wire electrode is not sheared for a certain period, the wire cylinder is rotated from the first preset position to the second preset position, and the actual length of the released wire electrode is greater than the preset length.
Further, in step S1, after the wire electrode is cut, the actual length of the wire electrode released from the wire cylinder from the first preset position to the second preset position is L1, so that the preset length of the automatic wire connection is L2, and the preset wire storage length of the wire storage amount dynamic adjustment mechanism is L3, where L2-L3 is smaller than L1 and smaller than or equal to L2.
Further, one end of the lower threading mechanism, which is close to the wire barrel, is provided with a translatable delivery pipe, the clamping assembly is an elastic clamping piece, in step S3, the delivery pipe is translated to the elastic clamping piece of the wire barrel to enable the elastic clamping piece to be in an open state, after the movable end of the wire electrode reaches the clamping position of the elastic clamping piece and the outer wall of the wire barrel, the wire barrel rotates to enable the elastic clamping piece to be separated from the delivery pipe, the elastic clamping piece is restored to be in a clamping state, clamping of the movable end of the wire electrode is achieved, and the delivery pipe is translated to be reset.
Further, when the wire cylinder rotates to the second preset position, the elastic clamping piece is positioned at a position where the delivery tube can translate and open.
Further, after the elastic clamping piece clamps the movable end of the wire electrode, the wire cylinder continuously rotates to enable the wire electrode to be wound on the wire cylinder.
Further, an induction unit is arranged at one end, close to the wire cylinder, of the lower wire feeding mechanism, and in step S2, when the movable end of the wire electrode reaches a preset induction position, the induction unit is triggered to achieve accurate fixed length.
Further, the upper threading mechanism is provided with a first butt joint mechanism capable of lifting, and in step S2, after a product to be processed is placed on a processing station, the first butt joint mechanism descends to the top surface of the product to be processed and is in butt joint with a processing hole site of the product to be processed.
Further, the lower threading mechanism is provided with a second butt joint mechanism capable of lifting, and in step S2, after a product to be processed is placed on the processing station, the second butt joint mechanism is lifted to the bottom surface of the product to be processed and is in butt joint with a processing hole site of the product to be processed.
Compared with the prior art, the invention has the following beneficial effects:
1. The wire barrel rotates from a first preset position to a second preset position to release the wire electrode with the preset length, and the automatic wire connection is realized by matching with the regulation function of the wire storage quantity dynamic regulation mechanism;
2. Through setting up the response position of predetermineeing, alright trigger the response signal when making the active end of wire electrode arrive the assigned position, realize accurate fixed length, carry out accurate fixed length on the basis of first fixed length, can effectively offset the wire electrode by the clamp send in-process because of skidding or the error that deformation produced.
Drawings
In order to more clearly illustrate the embodiments of the present invention 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 invention, 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 overall structure of embodiment 1 of the present invention;
FIG. 2 is a schematic view of the structure of the embodiment 1 of the invention when the delivery tube is applied to the elastic clip;
FIG. 3 is an enlarged schematic view of portion a of FIG. 2;
FIG. 4 is a working schematic diagram of a dynamic yarn storage amount adjusting mechanism in embodiment 1 of the present invention;
FIG. 5 is a schematic structural diagram of a clamping mechanism in embodiment 1 of the present invention;
Reference numerals illustrate: 100-wire electrode; 1-a silk cylinder; 2-a dynamic yarn storage quantity adjusting mechanism; 3-an upper threading mechanism; 4-a lower threading mechanism; 5-a processing station; 6-a first docking mechanism; 7-a second docking mechanism; 8-elastic clamping pieces; 9-graft; 10-mounting plates; 11-a first guide wheel; 12-a second guide wheel; 13-a longitudinal rack; 14-transverse racks; 15-a gear; 16-a pinch mechanism; 17-cylinder; 18-a first inductor; 19-a second inductor; 20-a first balancing weight; 21-a second balancing weight; 22-a drive motor; 23-driving a rotating shaft; 24-driving gear; 25-driving a pinch wheel; 26-a driven rotating shaft; 27-a driven gear; 28-driven pinch wheels; 29-translational drive mechanism.
Detailed Description
The following description of the embodiments of the present invention 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 invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention 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 invention.
Example 1: referring to fig. 1 to 5, the present invention provides an automatic wire-receiving, threading and disassembling method of a wire-cutting apparatus, for an automatic wire-cutting apparatus, the automatic wire-cutting apparatus includes a wire barrel 1, a wire-storing amount dynamic adjusting mechanism 2, a clamping and feeding mechanism 16, an upper wire-threading mechanism 3 and a lower wire-threading mechanism 4, a processing station 5 is disposed between the upper wire-threading mechanism 3 and the lower wire-threading mechanism 4, the upper wire-threading mechanism 3 is provided with a first docking mechanism 6 capable of lifting, the first docking mechanism 6 can be lowered to the top surface of a product to be processed and docked with the processing hole site of the product to be processed, the lower wire-threading mechanism 4 is provided with a second docking mechanism 7 capable of lifting, after the product to be processed is placed on the processing station 5, the second docking mechanism 7 can be lifted to the bottom surface of the product to be processed and docked with the processing hole site of the product to be processed, the outer wall of the wire barrel 1 is provided with a clamping component for fixing the movable end of a wire electrode 100, in this embodiment, the clamping assembly is a sheet-shaped elastic clamping piece 8, one end of the elastic clamping piece 8 is fixedly arranged on the outer wall of the wire storage barrel 1, the other end of the elastic clamping piece extends along the outer wall of the wire storage barrel 1, the tail end of the movable end of the elastic clamping piece 8 extends outwards to form a guide end, the guide end forms an acute angle with the tangent plane of the clamping position of the outer wall of the wire storage barrel 1, one end of the lower wire threading mechanism 4, which is close to the wire storage barrel 1, is provided with a translatable delivery tube 9, one end of the lower wire threading mechanism 4, which is close to the wire storage barrel 1, is provided with a sensing unit for sensing the position of the movable end of the wire electrode 100, when sensing operation is needed, the sensing unit is firstly placed at a preset sensing position on the wire threading path of the wire electrode 100, and then the wire electrode 100 is clamped forwards, when the movable end of the wire electrode 100 touches the sensing unit, i.e. indicating that the movable end of the wire electrode 100 has reached the predetermined sensing position, the distance from the predetermined sensing position to the clamping assembly is known, so that the length of the wire electrode 100 to be clamped forward can be known, so that the movable end of the wire electrode 100 can enter the nip between the elastic clamping piece 8 and the outer wall of the wire barrel 1.
Specifically, the wire storage amount dynamic adjustment mechanism 2 is configured to obtain a difference between a winding and unwinding speed of the wire barrel 1 and an actual speed at which the wire electrode 100 is clamped by the clamping mechanism 16, and adjust the speed of the wire barrel 1 and/or the clamping mechanism 16 so as to keep the wire electrode 100 storage amount on the wire storage amount dynamic adjustment mechanism 2 within a preset range; the wire storage amount dynamic adjusting mechanism 2 is arranged on a wire electrode 100 penetrating path between the wire cylinder 1 and the clamping mechanism 16, and when the winding and unwinding speed of the wire cylinder 1 is different from the actual speed of the wire electrode 100 clamped by the clamping mechanism 16, the wire electrode 100 storage amount on the wire storage amount dynamic adjusting mechanism 2 is changed along with the change.
Specifically, the wire storage quantity dynamic adjusting mechanism 2 comprises a mounting plate 10, a first guide wheel 11, a second guide wheel 12, an induction device and a gravity driving mechanism, wherein the gravity driving mechanism comprises a longitudinal rack 13, a transverse rack 14, a gear 15, a balancing weight and a cylinder 17, the longitudinal rack 13 is arranged on the mounting plate 10 perpendicular to the horizontal plane, a longitudinal chute corresponding to the longitudinal rack 13 is arranged on the mounting plate 10, the longitudinal rack 13 can longitudinally slide on the longitudinal chute, the transverse rack 14 is parallel to the horizontal plane and is arranged on the mounting plate 10, a transverse chute corresponding to the transverse rack 14 is arranged on the mounting plate 10, the transverse rack 14 can transversely slide on the transverse chute, the gear 15 is hinged on the mounting plate 10, the balancing weight acts on the longitudinal rack 13 to enable the longitudinal rack 13 to slide downwards under the gravity, the longitudinal rack 13 is connected with the transverse rack through the gear 15 and drives the transverse rack 14 to slide transversely, specifically, the left side of the longitudinal rack 13 is meshed with the gear 15, the upper side of the transverse rack 14 is meshed with the gear 15, when the longitudinal rack 13 slides downwards, the gear 15 rotates clockwise to drive the transverse rack 14 to slide leftwards, the first guide wheel 11 is hinged on one side of the mounting plate 10, the second guide wheel 12 is hinged on one end of the transverse rack 14 away from the first guide wheel 11, the wire electrode 100 is unreeled from the wire cylinder 1 and sequentially passes through the wire storage amount dynamic adjusting mechanism 2, the upper wire feeding mechanism 3 and the lower wire feeding mechanism 4, finally returns to the wire cylinder 1 to be reeled, the wire feeding path is provided with a pinching mechanism 16 for pinching the wire electrode 100.
More specifically, the sensing device includes a first sensor 18 and a second sensor 19, when the winding and unwinding speed of the wire barrel 1 is greater than the speed of the wire electrode 100 actually clamped by the clamping mechanism 16, the second guide wheel 12 moves leftwards and triggers the first sensor 18, and the wire electrode 100 reserve on the wire storage amount dynamic adjusting mechanism 2 is reduced, at this time, the control system reduces the speed of the wire barrel 1 or increases the speed of the clamping mechanism 16, so that the wire electrode 100 reserve on the wire storage amount dynamic adjusting mechanism 2 is kept within a preset range; when the winding and unwinding speed of the wire barrel 1 is smaller than the actual clamping speed of the wire electrode 100 by the clamping mechanism 16, the second guide wheel 12 moves rightward and triggers the second sensor 19, and the wire electrode 100 reserve on the wire storage dynamic adjustment mechanism 2 increases with the increase, and at this time, the control system increases the speed of the wire barrel 1 or decreases the speed of the clamping mechanism 16, so that the wire electrode 100 reserve on the wire storage dynamic adjustment mechanism 2 is kept within a preset range.
The balancing weights comprise a first balancing weight 20 and a second balancing weight 21, the first balancing weight 20 is fixedly arranged at the upper end of the longitudinal rack 13, the second balancing weight 21 is fixedly arranged at the tail end of a piston rod of the air cylinder 17, a cylinder barrel of the air cylinder 17 is fixedly arranged on the mounting plate 10, when the piston rod of the air cylinder 17 contracts, the second balancing weight 21 is naturally placed above the first balancing weight 20, and the first balancing weight 20 and the second balancing weight 21 are used together on the longitudinal rack 13 so as to enable the longitudinal rack to slide downwards; when the piston rod of the cylinder 17 is extended, the second weight 21 is separated from the first weight 20, and the first weight 20 alone acts on the longitudinal rack 13 to slide downward. When the first balancing weight 20 is independently applied to the longitudinal rack 13, a small acting force is provided for the wire electrode 100, and the wire electrode is suitable for running in a wire cutting state when the first balancing weight 20 and the second balancing weight 21 are applied to the longitudinal rack 13 together, and a large acting force is provided for the wire electrode 100, so that the wire electrode is suitable for running in a wire cutting state.
The clamping mechanism 16 comprises a wheel set mounting seat, a driving wheel set, a driven wheel set and a driving motor 22, wherein the driving wheel set comprises a driving rotating shaft 23, a driving gear 24 and a driving clamping wheel 25, the driving rotating shaft 23 is hinged on the wheel set mounting seat, the driving gear 24 and the driving clamping wheel 25 are coaxially arranged on the driving rotating shaft 23, the driven wheel set comprises a driven rotating shaft 26, a driven gear 27 and a driven clamping wheel 28, the driven gear 27 and the driven clamping wheel 28 are coaxially arranged on the driven rotating shaft 26, one end of the driving rotating shaft 23 is connected with an output shaft of the driving motor 22, the driven rotating shaft 26 is connected with a translation driving mechanism 29, the translation driving mechanism 29 may drive the driven wheel set to translate so as to enable the driving gear 24 to be meshed with or separated from the driving gear 24, when the driving gear 24 is meshed with the driven gear 27, the driving motor 22 drives the driving shaft 23 to rotate, and further drives the driving gear 24 to rotate, at this time, the driven gear 27 rotates reversely synchronously, and further drives the driving pinch wheel 25 and the driven pinch wheel 28 to rotate reversely synchronously, the wire electrode 100 is clamped between the driving pinch wheel 25 and the driven pinch wheel 28, and the wire electrode 100 is clamped forward or backward when the driving pinch wheel 25 rotates reversely synchronously with the driven pinch wheel 28.
The automatic wire-connection, wire-threading and wire-dismantling method comprises the following steps:
S1, fixing one end of a wire electrode 100 at one end of a wire barrel 1 far away from the clamping assembly, rotating the wire barrel 1 to enable the wire electrode 100 to be wound on the outer wall of the wire barrel 1, gradually translating the wire barrel 1 to enable the wire electrode 100 to be wound at one end close to the clamping assembly until the wire barrel 1 reaches a second preset position, stopping rotating and translating the wire barrel 1, and finishing wire feeding of the wire barrel 1; then, the wire barrel 1 rotates and unreels, at the moment, a piston rod of the air cylinder 17 stretches out to jack up the second balancing weight 21, the first balancing weight 20 independently acts on the longitudinal rack 13 to provide a small acting force for the wire electrode 100, the movable end of the wire electrode 100 is wound on the wire storage quantity dynamic adjusting mechanism 2 and sequentially passes through the upper wire feeding mechanism 3 and the lower wire feeding mechanism 4, the wire barrel 1 is clamped and fed forward under the clamping and feeding actions of the clamping and feeding mechanism 16 and the rotating and unreeling actions of the wire barrel 1, the wire barrel 1 stops rotating when rotating to a first preset position, the wire storage quantity dynamic adjusting mechanism 2 is provided with a preset wire storage quantity through the forward rotation/reverse rotation of the clamping and feeding mechanism 16, the wire electrode 100 exceeding the preset length is sheared, the primary wire feeding and the fixed length are completed, and the wire electrode 100 is clamped and fed backward to the upper wire feeding mechanism 3; specifically, before step S1, when the wire electrode 100 is not cut off for a certain period, the wire barrel 1 rotates from the first preset position to the second preset position, the actual length of the wire electrode 100 released by the wire barrel 1 is greater than the preset length, in step S1, assuming that the actual length of the wire electrode 100 released by the wire barrel 1 rotating from the first preset position to the second preset position is L1 after the wire electrode 100 is cut, the preset length of automatic wire connection can be L2, the preset wire storage length of the wire storage amount dynamic adjustment mechanism 2 is L3, and L2-L3 is less than L1 and less than or equal to L2, so that a certain error space is provided, and as long as the error does not exceed the preset wire storage amount of the wire storage amount dynamic adjustment mechanism 2, the wire storage amount of the wire storage amount dynamic adjustment mechanism 2 can be released to make up for, thereby improving the feasibility of operation;
S2, placing a product to be processed on a processing station 5, enabling a first docking mechanism 6 to descend to the top surface of the product to be processed, docking with a processing hole site of the product to be processed, enabling a second docking mechanism 7 to ascend to the bottom surface of the product to be processed, docking with the processing hole site of the product to be processed, forming a through wire threading channel, realizing automatic wire threading, enabling a wire electrode 100 to clamp forwards under the combined action of a clamping mechanism 16 and a wire cylinder 1, stopping rotating until the wire cylinder 1 rotates to the first preset position, enabling a wire storage amount dynamic adjusting mechanism 2 to have preset wire storage amount through forward rotation/reverse rotation of the clamping mechanism 16, then releasing part of the wire storage amount dynamic adjusting mechanism 2, simultaneously clamping the wire electrode 100 forwards, enabling a movable end of the wire electrode 100 to reach the preset position, triggering a sensing unit, and realizing accurate fixed length;
S3, the delivery tube 9 horizontally moves to act on the elastic clamping piece 8 of the wire barrel 1 to enable the elastic clamping piece 8 to be in an open state, after the movable end of the wire electrode 100 reaches the clamping position of the elastic clamping piece 8 and the outer wall of the wire barrel 1, the wire barrel 1 rotates to enable the elastic clamping piece 8 to be separated from the delivery tube 9, the elastic clamping piece 8 is restored to be in a clamping state, clamping of the movable end of the wire electrode 100 is achieved, the delivery tube 9 horizontally moves to reset, the wire barrel 1 continues to rotate to enable the wire electrode 100 to be wound on the wire barrel 1 until the wire electrode cannot fall off, and automatic wire connection is completed;
S4, the piston rod of the air cylinder 17 contracts to enable the second balancing weight 21 to be naturally placed above the first balancing weight 20, the first balancing weight 20 and the second balancing weight 21 act on the longitudinal rack 13 together, a large acting force is provided for the wire electrode 100, wire cutting machining operation is carried out, after a machining operation completion signal is received, the wire cylinder 1 rotates to be close to a first preset position (a plurality of circles are needed to be rotated from the first preset position), the piston rod of the air cylinder 17 stretches out to jack the second balancing weight 21, the first balancing weight 20 independently acts on the longitudinal rack 13, a small acting force is provided for the wire electrode 100, then the wire cylinder slowly rotates to the first preset position to stop rotating, the clamping and conveying mechanism 16 clamps and conveys the movable end of the wire electrode 100 backwards to enable the movable end of the wire electrode 100 to be separated from the elastic clamping piece 8, and the movable end of the wire electrode 100 is retracted into the upper wire feeding mechanism 3 under the action of the wire cylinder 1 and the clamping and conveying mechanism 16 to complete automatic wire detachment.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the description of the present invention and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the invention.
Claims (10)
1. The automatic wire-connection, wire-threading and wire-dismantling method is used for automatic wire-cutting equipment, and comprises a wire cylinder, a wire storage quantity dynamic adjusting mechanism, a clamping and feeding mechanism, an upper wire-threading mechanism and a lower wire-threading mechanism, wherein the wire storage quantity dynamic adjusting mechanism is arranged on a wire electrode threading path between the wire cylinder and the clamping and feeding mechanism, a processing station is arranged between the upper wire-threading mechanism and the lower wire-threading mechanism, and a clamping assembly for clamping a movable end of a wire electrode is arranged on the wire cylinder, and is characterized in that: the method comprises the following steps:
S1, cutting off a section of wire electrode so that the wire cylinder rotates from a first preset position to a second preset position, releasing the wire electrode with preset length, and finishing primary fixed length;
S2, placing a product to be processed on a processing station, clamping and conveying the wire electrode forwards under the combined action of the clamping and conveying mechanism and the wire barrel, stopping rotating the wire barrel until the wire barrel rotates to a second preset position, enabling the wire storage quantity dynamic adjusting mechanism to be provided with a preset wire storage quantity through forward rotation/reverse rotation of the clamping and conveying mechanism, then releasing part of the wire storage quantity dynamic adjusting mechanism, clamping and conveying the wire electrode forwards, enabling the movable end of the wire electrode to reach a preset induction position, and finishing accurate length fixing;
S3, the clamping assembly on the wire cylinder is opened, the wire storage quantity dynamic adjusting mechanism continues to release the wire storage quantity, the movable end of the wire electrode reaches the clamping position of the clamping assembly under the clamping of the clamping mechanism, the clamping assembly clamps, the movable end of the wire electrode is clamped, and automatic wire connection is completed;
And S4, after the wire cutting machining operation is finished, the wire barrel rotates to a second preset position and stops rotating, the movable end of the wire electrode is clamped backwards to be separated from the clamping assembly, and then the movable end of the wire electrode returns to the upper wire threading mechanism under the action of the wire barrel and the clamping mechanism, so that automatic wire detaching is finished.
2. The automatic wire-connection, wire-threading and wire-disassembly method of the wire cutting equipment according to claim 1, wherein the method comprises the following steps of: in step S1, the wire cylinder starts to rotate from a first preset position to release the wire electrode, the movable end of the wire electrode sequentially passes through the wire storage amount dynamic adjusting mechanism, the upper wire threading mechanism and the lower wire threading mechanism, and is clamped forward under the clamping of the clamping mechanism, the wire cylinder stops rotating when rotating to a second preset position, the wire storage amount dynamic adjusting mechanism is provided with the preset wire storage amount through forward rotation/reverse rotation of the clamping mechanism, then the wire electrode exceeding the preset length is sheared, the primary wire threading and the fixed length are completed, and then the wire electrode is clamped backward to be retracted into the upper wire threading mechanism.
3. The automatic wire-connection, wire-threading and wire-disassembly method of the wire cutting equipment according to claim 1, wherein the method comprises the following steps of: before step S1, when the wire electrode is not sheared for a section, and the wire cylinder rotates from the first preset position to the second preset position, the actual length of the released wire electrode is greater than the preset length.
4. The automatic wire-connection, wire-threading and wire-disassembly method of the wire cutting equipment according to claim 1, wherein the method comprises the following steps of: in step S1, after the wire electrode is cut, the actual length of the wire electrode released when the wire cylinder rotates from the first preset position to the second preset position is L1, the preset length of automatic wire connection can be L2, the preset wire storage length of the wire storage quantity dynamic adjusting mechanism is L3, and L2-L3 is less than L1 and less than or equal to L2.
5. The automatic wire-connection, wire-threading and wire-disassembly method of the wire cutting equipment according to claim 1, wherein the method comprises the following steps of: the lower threading mechanism is close to one end of the wire barrel and is provided with a translatable delivery receiving tube, the clamping assembly is an elastic clamping piece, in the step S3, the delivery receiving tube is translated to the elastic clamping piece of the wire barrel to enable the elastic clamping piece to be in an open state, after the movable end of the wire electrode reaches the clamping position of the elastic clamping piece and the outer wall of the wire barrel, the wire barrel rotates to enable the elastic clamping piece to be separated from the delivery receiving tube, the elastic clamping piece is restored to be in a clamping state, clamping of the movable end of the wire electrode is achieved, and the delivery receiving tube is translated to be reset.
6. The automatic wire-connection, wire-threading and wire-disassembly method of the wire-cutting equipment according to claim 5, wherein the method comprises the following steps: when the wire cylinder rotates to the second preset position, the elastic clamping piece is positioned at a position where the delivery pipe can translate and open.
7. The automatic wire-connection, wire-threading and wire-disassembly method of the wire-cutting equipment according to claim 5, wherein the method comprises the following steps: after the elastic clamping piece clamps the movable end of the wire electrode, the wire cylinder continuously rotates to enable the wire electrode to be wound on the wire cylinder.
8. The automatic wire-connection, wire-threading and wire-disassembly method of the wire cutting equipment according to claim 1, wherein the method comprises the following steps of: and in the step S2, the movable end of the wire electrode reaches a preset induction position to trigger the induction unit to realize accurate fixed length.
9. The automatic wire-connection, wire-threading and wire-disassembly method of the wire cutting equipment according to claim 1, wherein the method comprises the following steps of: the upper threading mechanism is provided with a first butt joint mechanism capable of lifting, and in step S2, after a product to be processed is placed on a processing station, the first butt joint mechanism descends to the top surface of the product to be processed and is in butt joint with a processing hole site of the product to be processed.
10. The automatic wire-bonding, wire-threading and wire-disassembling method of the wire cutting equipment according to claim 9, wherein the method comprises the following steps: the lower threading mechanism is provided with a second butt joint mechanism capable of lifting, and in step S2, after a product to be processed is placed on a processing station, the second butt joint mechanism is lifted to the bottom surface of the product to be processed and is in butt joint with a processing hole site of the product to be processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410032537.XA CN117943645A (en) | 2024-01-09 | 2024-01-09 | Automatic wire-connection, wire-threading and wire-dismantling method of wire cutting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410032537.XA CN117943645A (en) | 2024-01-09 | 2024-01-09 | Automatic wire-connection, wire-threading and wire-dismantling method of wire cutting equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117943645A true CN117943645A (en) | 2024-04-30 |
Family
ID=90803183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410032537.XA Pending CN117943645A (en) | 2024-01-09 | 2024-01-09 | Automatic wire-connection, wire-threading and wire-dismantling method of wire cutting equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117943645A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120133625A (en) * | 2025-04-25 | 2025-06-13 | 广州市华晨自动化科技有限公司 | A wire cutting machine with high efficiency in wire clamping and wire removal |
| CN120755435A (en) * | 2025-08-22 | 2025-10-10 | 苏州宝玛格精密机械有限公司 | High-stability automatic dismounting and threading wire cutting equipment |
-
2024
- 2024-01-09 CN CN202410032537.XA patent/CN117943645A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120133625A (en) * | 2025-04-25 | 2025-06-13 | 广州市华晨自动化科技有限公司 | A wire cutting machine with high efficiency in wire clamping and wire removal |
| CN120133625B (en) * | 2025-04-25 | 2026-03-20 | 广州市华晨自动化科技有限公司 | A high-efficiency wire cutting machine for clamping and unclamping wires |
| CN120755435A (en) * | 2025-08-22 | 2025-10-10 | 苏州宝玛格精密机械有限公司 | High-stability automatic dismounting and threading wire cutting equipment |
| CN120755435B (en) * | 2025-08-22 | 2026-02-10 | 苏州宝玛格精密机械有限公司 | High-stability automatic dismounting and threading wire cutting equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN117943645A (en) | Automatic wire-connection, wire-threading and wire-dismantling method of wire cutting equipment | |
| US4764653A (en) | Process and apparatus employing electroerosion | |
| CN105761927B (en) | Coil winding machine and method for winding | |
| CN104498943A (en) | Nuclear heavy blank molding process and LCD-EBAM integrated printing equipment | |
| CN102485392A (en) | Composite electric discharge machining device and hole electric discharge machining module thereof | |
| CN116252009A (en) | Automatic wire cutting equipment of threading | |
| CN105290277A (en) | Forming equipment for storage rack | |
| CN220330174U (en) | Automatic threading detection positioning mechanism | |
| CN110814606A (en) | Welding device | |
| CN220781890U (en) | Full-automatic U-shaped pipe bending machine | |
| CN113871189A (en) | Wire wrapping machine | |
| CN219632773U (en) | Wire electrode dynamic adjusting device | |
| CN120244120A (en) | A roughing and finishing integrated wire cutting machine and cutting method | |
| CN119368843A (en) | Wire cutting method for wire cutting equipment | |
| CN216711208U (en) | Double-clamping-arm winding machine | |
| CN102699590B (en) | Welding manipulator | |
| CN110049831A (en) | The method of the total length of manufacturing equipment with clamping device and the curved edge for adjusting clamping device | |
| CN103273086A (en) | Rear feeding locating device for shafts | |
| CN220498501U (en) | Tool changing device of numerical control machine tool | |
| CN218799890U (en) | Device for cutting pipe by laser simultaneously | |
| CN216212855U (en) | Wire wrapping machine | |
| CN215824463U (en) | Fast wire cutting machine capable of intelligently controlling short-cycle wire feeding | |
| CN120133625B (en) | A high-efficiency wire cutting machine for clamping and unclamping wires | |
| CN219131037U (en) | Movable tube group threading device | |
| CN221984092U (en) | A wire electrode guide limiting mechanism and a wire storage amount dynamic adjustment mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |