Structure for guiding linear cutting electrode wire
By designing liftable guide tubes and automatic wire cutting and wire rolling mechanisms, the problem of electrode wire guidance relies on manual operation in existing wire cutting machines is solved, and higher accuracy, success rate and convenience are achieved.
Patent Information
- Application Number
- CN202420765730.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-15
- Publication Date
- 2025-05-02
- Estimated Expiration
- 2034-04-15
AI Technical Summary
In existing wire cutting machines, the guidance of electrode wires mainly relies on manual operation, which consumes time and effort, and the accuracy of automatic guidance is not high, requiring manual assistance, and cutting and redirecting electrode wires also need to be done manually, which lacks convenience.
A structure including an upper wire-trapping mechanism and a lower wire-trapping mechanism is designed. The liftable wire can pass through the wire-trapping channel and the upper machine head more accurately, realizing automatic wire-trapping, and adding a wire-cutting mechanism and a wire-rolling mechanism to automatically cut and wind the electrode wire, and blowing the waste wire through the airway without manual processing.
The accuracy and success rate of electrode wire threading are improved, automated operation is realized, manual intervention is reduced, convenience and threading efficiency is improved, and manual processing steps are reduced through automatic wire cutting and silk rolling mechanisms.
Smart Images
Figure CN222818087U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of machinery, in particular to a wire cutting machine tool, in particular to a structure for guiding a wire cutting electrode wire. Background Art
[0002] Wire cutting is a processing technology developed on the basis of electric spark perforation and forming processing. It uses a moving metal wire (molybdenum wire, copper wire or alloy wire) as an electrode wire, and relies on pulsed electric spark discharge between the electrode wire and the workpiece to generate high temperature to melt or vaporize the metal, forming a cut, thereby cutting out parts.
[0003] At present, the guiding of wire cutting electrode wire is generally done manually, which is time-consuming, labor-intensive and wastes human resources. Some wire cutting machines have an automatic guiding structure, but the accuracy is not high and manual wire threading assistance is still required. On the other hand, the electrode wire needs to be cut after being used for a period of time, and then the electrode wire needs to be redirected. The cutting process is also done manually, which is not convenient enough. Therefore, an improved technology is urgently needed to solve the above problems existing in the prior art. Utility Model Content
[0004] The purpose of the utility model is to provide a structure for guiding the wire to cut the electrode wire. Through the liftable wire guide tube, the electrode wire can better pass through the wire feeding channel and the upper machine head of the protrusion, and the wire threading is more accurate. While realizing automatic wire threading, the wire threading success rate is greatly improved. Compared with the manual wire threading method, the convenience and wire threading efficiency are greatly improved. At the same time, a wire cutting mechanism and a wire winding mechanism are added. The electrode wire can be cut by the wire cutting mechanism, and the waste wire can be wound by the wire winding head of the wire winding mechanism, and the waste wire can be blown out through the airway without manual processing, thereby further improving the convenience and solving the problems raised in the above-mentioned background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a structure for guiding wire cutting electrode wire, comprising an upper wire walking mechanism and a lower wire walking mechanism; the upper wire walking mechanism comprises a traction mechanism, a wire guiding mechanism, a wire cutting mechanism, a wire winding mechanism and an upper machine head;
[0006] The traction mechanism includes a fixed plate, a driving wheel, a wire pressing wheel and a first guide sleeve. The front side of the fixed plate is provided with a driving wheel and a wire pressing wheel. The driving wheel and the wire pressing wheel cooperate with each other. The front side of the fixed plate and the first guide sleeve are provided at the wire outlet position of the driving wheel and the wire pressing wheel.
[0007] The wire guiding mechanism comprises a connecting plate, a longitudinal cylinder, a lifting block and a wire guiding tube, the top of the connecting plate is connected to the fixed plate, the front side of the connecting plate is provided with a longitudinal cylinder, the piston rod of the longitudinal cylinder is connected to the lifting block, a second guide sleeve is provided inside the lifting block, the bottom of the second guide sleeve is connected to the wire guiding tube, the second guide sleeve, the first guide sleeve and the wire guiding tube are coaxially arranged, a guide block is also provided on the front side of the connecting plate, the lower part of the wire guiding tube is penetrated by the guide block and slidably cooperates with the guide block, and a slide groove is also provided at the lower part of the connecting plate;
[0008] The wire cutting mechanism comprises a fixed block, a movable block, a first shearing block and a second shearing block, wherein the fixed block is arranged on the front side of the lower part of the connecting plate by bolts, the movable block is movably arranged in a slide groove opened in the connecting plate, the first shearing block is arranged on the side of the fixed block close to the movable block, the second shearing block is arranged on the side of the movable block close to the fixed block, and the second shearing block cooperates with the first shearing block;
[0009] The wire winding mechanism includes a protrusion and a wire winding head, the protrusion is arranged at the bottom of the front side of the connecting plate, a wire running channel is opened in the vertical direction inside the protrusion, a circular groove is opened on the front side of the protrusion, the top and bottom of the circular groove are respectively connected with the wire running channel, an airway is also opened inside the protrusion, an air pipe interface is arranged on one side of the protrusion and at the outer end of the airway, the end of the airway away from the air pipe interface is connected with the circular groove, a wire winding head is rotatably arranged in the circular groove, the wire winding head is opened with a groove, and the wire running channel is coaxially arranged with the wire guide tube;
[0010] The upper machine head is arranged below the connecting plate and is located on the same axis as the wire-feeding passage of the protrusion;
[0011] The lower wire feeding mechanism comprises a lower machine head, and the lower machine head is arranged below the upper machine head. The lower machine head and the upper machine head are coaxially arranged and correspond to each other.
[0012] Preferably, a plurality of guide wheels are also provided on the front side of the fixing plate.
[0013] Preferably, the driving wheel is connected to the output shaft of the first motor, and the first motor is installed on the rear side of the fixing plate.
[0014] Preferably, a guide rail is provided on the upper portion of the front side surface of the connecting plate, and the lifting block is slidably matched with the guide rail.
[0015] Preferably, the movable block is connected to a piston rod of a transverse cylinder, and the transverse cylinder is arranged on the rear side of the connecting plate.
[0016] Preferably, the wire winding head is connected to the output shaft of the second motor, the second motor is installed on the rear side of the connecting plate, and the center position of the wire winding head and the wire feeding channel are located in the same vertical plane.
[0017] Compared with the prior art, the beneficial effects of the utility model are:
[0018] A longitudinal cylinder is arranged on the front side of the connecting plate, and the longitudinal cylinder is connected to a lifting block. A second guide sleeve is installed through the lifting block, and a wire guide tube is connected to the bottom of the second guide sleeve. The electrode wire can better pass through the wire walking channel of the protrusion and the upper machine head through the liftable wire guide tube, so that the wire threading is more accurate, and the automatic wire threading is realized while greatly improving the success rate of wire threading. Compared with the manual wire threading method, the convenience and wire threading efficiency are greatly improved. At the same time, a wire cutting mechanism and a wire winding mechanism are added. The electrode wire can be cut by the wire cutting mechanism, and the waste wire can be wound by the wire winding head of the wire winding mechanism, and the waste wire can be blown out through the airway without manual processing, thereby further improving the convenience. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a schematic diagram of the structure of the utility model;
[0020] Figure 2 It is an enlarged structural diagram of the utility model located at the wire cutting mechanism and the wire winding mechanism;
[0021] Figure 3 It is a schematic diagram of the cross-sectional structure of the wire winding mechanism from the front view;
[0022] Figure 4 It is a schematic diagram of the cross-sectional structure of the wire winding mechanism from side view;
[0023] Figure 5 It is a schematic diagram of the cross-sectional structure of the wire winding mechanism from top view.
[0024] In the figure: fixed plate 1, driving wheel 2, crimping wheel 3, first guide sleeve 4, connecting plate 5, longitudinal cylinder 6, lifting block 7, wire guide tube 8, second guide sleeve 9, guide block 10, slide groove 11, fixed block 12, movable block 13, first shearing block 14, second shearing block 15, protrusion 16, wire winding head 17, wire feeding channel 18, circular groove 19, airway 20, air pipe interface 21, groove 22, upper head 23, lower head 24, guide wheel 25, first motor 26, guide rail 27, transverse cylinder 28, second motor 29. DETAILED DESCRIPTION
[0025] The following will combine the embodiments and drawings of the utility model to clearly and completely describe the technical solution of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model;
[0026] It should be noted that, in the description of the present invention, the terms "inside", "outside", "upper", "lower", "both sides", "one end", "the other end", "left" and "right" etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.
[0027] See also Figure 1-5 The utility model provides a technical solution: a structure for guiding wire cutting electrode wire, including an upper wire walking mechanism and a lower wire walking mechanism; the upper wire walking mechanism includes a traction mechanism, a wire guiding mechanism, a wire cutting mechanism, a wire winding mechanism and an upper machine head 23;
[0028] The traction mechanism includes a fixed plate 1, a driving wheel 2, a crimping wheel 3 and a first guide sleeve 4. The driving wheel 2 and the crimping wheel 3 are arranged on the front side of the fixed plate 1. The driving wheel 2 and the crimping wheel 3 cooperate with each other. The driving wheel 2 is connected to the output shaft of the first motor 26. The first motor 26 is installed on the rear side of the fixed plate 1. The driving wheel 2 is driven to rotate by the first motor 26, so as to realize the traction of the electrode wire. The front side of the fixed plate 1 and the first guide sleeve 4 are arranged at the outlet position of the driving wheel 2 and the crimping wheel 3. The front side of the fixed plate 1 is also provided with a plurality of guide wheels 25, and the smooth guidance of the electrode wire is realized by the guide wheels 25;
[0029] The wire guiding mechanism includes a connecting plate 5, a longitudinal cylinder 6, a lifting block 7 and a wire guiding tube 8. The top of the connecting plate 5 is connected to the fixed plate 1, and the front side of the connecting plate 5 is provided with a longitudinal cylinder 6. The piston rod of the longitudinal cylinder 6 is connected to the lifting block 7. The upper part of the front side of the connecting plate 5 is provided with a guide rail 27. The lifting block 7 is slidably matched with the guide rail 27. The guide rail 27 cooperates with the lifting block 7 to ensure the stability of the lifting block 7 during lifting, thereby ensuring the wire threading accuracy. A second guide sleeve 9 is provided inside the lifting block 7, and the bottom of the second guide sleeve 9 is connected to the wire guiding tube 8. The second guide sleeve 9, the first guide sleeve 4 and the wire guiding tube 8 are coaxially arranged. A guide block 10 is also provided on the front side of the connecting plate 5. The lower part of the wire guiding tube 8 is penetrated by the guide block 10 and slidably matched with the guide block 10. A slide groove 11 is also provided at the lower part of the connecting plate 5.
[0030] The wire cutting mechanism includes a fixed block 12, a movable block 13, a first shearing pressing block 14 and a second shearing pressing block 15. The fixed block 12 is arranged on the front side of the lower part of the connecting plate 5 by bolts. The movable block 13 is movably arranged in the slide groove 11 opened by the connecting plate 5. The first shearing pressing block 14 is arranged on the side of the fixed block 12 close to the movable block 13. The second shearing pressing block 15 is arranged on the side of the movable block 13 close to the fixed block 12. The second shearing pressing block 15 cooperates with the first shearing pressing block 14. The movable block 13 is connected to the piston rod of the transverse cylinder 28. The transverse cylinder 28 is arranged on the rear side of the connecting plate 5. The movable block 13 is driven by the transverse cylinder 28 to move laterally, thereby realizing the shearing of the electrode wire.
[0031] The wire winding mechanism includes a protrusion 16 and a wire winding head 17. The protrusion 16 is arranged at the bottom of the front side of the connecting plate 5. A wire passage 18 is opened in the vertical direction inside the protrusion 16. A circular groove 19 is opened on the front side of the protrusion 16. The top and bottom of the circular groove 19 are respectively communicated with the wire passage 18. An airway 20 is also opened inside the protrusion 16. An air pipe interface 21 is arranged on one side of the protrusion 16 and located at the outer end of the airway 20. The airway 20 is communicated with the circular groove 19 at one end away from the air pipe interface 21. The wire winding head 17 is rotatably arranged in the circular groove 19. The wire winding head 17 is provided with a groove 22. The wire passage 18 is coaxially arranged with the wire guide tube 8. The wire winding head 17 is connected to the output shaft of the second motor 29. The second motor 29 is installed on the rear side of the connecting plate 5. The center position of the wire winding head 17 is located in the same vertical plane as the wire passage 18. The wire winding head 17 is driven to rotate by the second motor 29, so as to realize the winding of the cut waste wire.
[0032] The upper machine head 23 is arranged below the connecting plate 5 and is located on the same axis as the wire running channel 18 of the protrusion 16;
[0033] The lower wire feeding mechanism includes a lower machine head 24 , which is disposed below the upper machine head 23 . The lower machine head 24 and the upper machine head 23 are coaxially arranged and correspond to each other.
[0034] Usage method and principle: The electrode wire is first guided by a number of guide wheels, and then pulled by the cooperation of the driving wheel 2 and the wire pressing wheel 3, and then guided by the first guide sleeve 4 into the second guide sleeve 9 in the lifting block 7, and then passes through the second guide sleeve 9 and then through the wire guide tube 8. The lower part of the wire guide tube 8 is slidably matched with the guide block 10, so that the wire outlet direction of the wire guide tube 8 is toward the wire channel 18 of the protrusion 16. The wire guide tube 8 is driven by the longitudinal cylinder 6 and the lifting block 7 to descend, and the bottom of the wire guide tube 8 is located between the first shearing block 14 and the second shearing block 15, so that the bottom end of the wire guide tube 8 is as close as possible to the wire running channel 18 of the protrusion 16. The electrode wire then passes through the wire running channel 18 of the protrusion 16. At this time, the groove 22 of the wire winding head 17 is adjusted to the vertical direction. After passing through the groove 22 of the wire winding head 17, the electrode wire passes through the upper head 23 and finally passes through the lower head 24 to complete the guiding of the electrode wire. After threading, the longitudinal cylinder 6 drives the lifting block 7 to rise again, so that the bottom of the wire guide tube 8 leaves the wire cutting mechanism, and the upper head 23 and the lower head 24 are used to connect the positive and negative electrodes respectively. When wire cutting is required, the movable block 13 is driven to move horizontally by the horizontal cylinder 28, so that the second shearing block 15 is moved closer to the first shearing block 14, and the electrode wire is cut by the second shearing block 15 to the first shearing block 14, and then the winding head 17 is driven to rotate by the second motor 29, so that the broken wire is wound on the winding head 17, and then the high-pressure gas enters the airway 20 of the protrusion 16 from the air pipe interface 21, and the waste wire wound on the winding head 17 is blown out of the circular groove 19 of the protrusion 16 by the air pressure, completing the wire cutting and wire discharging. Then repeat the above steps to guide the wire. The utility model has a reasonable structure. A longitudinal cylinder 6 is arranged on the front side of the connecting plate 5. The longitudinal cylinder 6 is connected to a lifting block 7. A second guide sleeve 9 is installed through the lifting block 7. A wire guide tube 8 is connected to the bottom of the second guide sleeve 9. The electrode wire can better pass through the wire passage 18 of the protrusion 16 and the upper machine head 23 through the liftable wire guide tube 8. The wire threading is more accurate, and the automatic wire threading is realized while greatly improving the success rate of the wire threading. Compared with the manual wire threading method, the convenience and wire threading efficiency are greatly improved. At the same time, a wire cutting mechanism and a wire winding mechanism are added. The electrode wire can be cut by the wire cutting mechanism, and the waste wire can be wound by the wire winding head 17 of the wire winding mechanism, and the waste wire can be blown out through the air duct 20 without manual processing, thereby further improving the convenience.
[0035] The matters not described in detail in the present invention are all known technologies to those skilled in the art.
[0036] Finally, it should be noted that the above specific implementation methods are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model is described in detail with reference to the embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified and replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.
Claims
1. A structure for guiding a wire to cut an electrode wire, characterized in that: It comprises an upper wire-feeding mechanism and a lower wire-feeding mechanism; the upper wire-feeding mechanism comprises a traction mechanism, a wire-guiding mechanism, a wire-cutting mechanism, a wire-winding mechanism and an upper machine head (23); The traction mechanism comprises a fixed plate (1), a driving wheel (2), a wire pressing wheel (3) and a first guide sleeve (4); the driving wheel (2) and the wire pressing wheel (3) are arranged on the front side of the fixed plate (1); the driving wheel (2) and the wire pressing wheel (3) cooperate with each other; the first guide sleeve (4) is arranged on the front side of the fixed plate (1) and at the wire outlet position of the driving wheel (2) and the wire pressing wheel (3); The wire guiding mechanism comprises a connecting plate (5), a longitudinal cylinder (6), a lifting block (7) and a wire guiding tube (8), wherein the top of the connecting plate (5) is connected to the fixed plate (1), the front side of the connecting plate (5) is provided with a longitudinal cylinder (6), the piston rod of the longitudinal cylinder (6) is connected to the lifting block (7), a second guide sleeve (9) is provided inside the lifting block (7), the bottom of the second guide sleeve (9) is connected to the wire guiding tube (8), the second guide sleeve (9), the first guide sleeve (4) and the wire guiding tube (8) are coaxially arranged, the front side of the connecting plate (5) is also provided with a guide block (10), the lower part of the wire guiding tube (8) is penetrated by the guide block (10) and slidably cooperates with the guide block (10), and a slide groove (11) is also provided at the lower part of the connecting plate (5); The wire cutting mechanism comprises a fixed block (12), a movable block (13), a first shearing pressure block (14) and a second shearing pressure block (15); the fixed block (12) is arranged on the front side of the lower part of the connecting plate (5) by means of bolts; the movable block (13) is movably arranged in a sliding groove (11) opened in the connecting plate (5); the first shearing pressure block (14) is arranged on the side of the fixed block (12) close to the movable block (13); the second shearing pressure block (15) is arranged on the side of the movable block (13) close to the fixed block (12); the second shearing pressure block (15) cooperates with the first shearing pressure block (14); The wire winding mechanism comprises a protrusion (16) and a wire winding head (17), wherein the protrusion (16) is arranged at the bottom of the front side surface of the connecting plate (5), a wire running channel (18) is provided inside the protrusion (16) in a vertical direction, a circular groove (19) is provided on the front side surface of the protrusion (16), the top and bottom of the circular groove (19) are respectively connected to the wire running channel (18), an airway (20) is also provided inside the protrusion (16), an air pipe interface (21) is provided on one side of the protrusion (16) and at the outer end of the airway (20), the airway (20) is connected to the circular groove (19) at one end away from the air pipe interface (21), a wire winding head (17) is rotatably provided in the circular groove (19), the wire winding head (17) is provided with a groove (22), and the wire running channel (18) is coaxially arranged with the wire guide tube (8); The upper machine head (23) is arranged below the connecting plate (5) and is located on the same axis as the wire running channel (18) of the protrusion (16); The lower wire feeding mechanism comprises a lower machine head (24), and the lower machine head (24) is arranged below the upper machine head (23). The lower machine head (24) and the upper machine head (23) are coaxially arranged and correspond to each other.
2. The structure of the guide wire cutting electrode wire according to claim 1, characterized in that: A plurality of guide wheels (25) are also provided on the front side of the fixing plate (1).
3. The structure of a guide wire cutting electrode wire according to claim 1, characterized in that: The driving wheel (2) is connected to the output shaft of a first motor (26), and the first motor (26) is installed on the rear side of the fixing plate (1).
4. The structure of a guide wire cutting electrode wire according to claim 1, characterized in that: A guide rail (27) is provided on the upper portion of the front side surface of the connecting plate (5), and the lifting block (7) is slidably matched with the guide rail (27).
5. The structure of a guide wire cutting electrode wire according to claim 1, characterized in that: The movable block (13) is connected to the piston rod of a transverse cylinder (28), and the transverse cylinder (28) is arranged on the rear side of the connecting plate (5).
6. The structure of a guide wire cutting electrode wire according to claim 1, characterized in that: The wire winding head (17) is connected to the output shaft of the second motor (29), and the second motor (29) is installed on the rear side of the connecting plate (5). The center position of the wire winding head (17) and the wire feeding channel (18) are located in the same vertical plane.