Automatic threading structure of medium-speed wire cutting machine
By designing an automatic threading structure on the middle thread cutting machine, the automatic threading of cutting lines is achieved using traction devices, electric sliders and fixtures, the problem of cumbersome manual threading is solved, and the operation convenience and practicality of the device are improved.
Patent Information
- Application Number
- CN202421774834.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-25
- Publication Date
- 2025-06-24
- Estimated Expiration
- 2034-07-25
AI Technical Summary
When changing the wire, the middle-pass wire cutting machine needs to manually thread the cutting thread out of the eye mask on the machine head, resulting in cumbersome and complicated threading.
An automatic threading structure is designed, including the machine head, wire mount, wire support, traction device, electric skateboard and fixture. The traction device uses a rotating traction device and a hole-to-apple mechanism, and the electric slide plate and fixture are used to automatically pull and clamp the cutting line to achieve automatic threading.
Through the automatic threading structure, the cumbersome steps of manual threading are reduced, and the convenience of threading of cutting threads and the practicality of the device are improved.
Smart Images
Figure CN223012103U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of cutting machines, and specifically to an automatic wire threading structure for a middle-wire walking wire cutting machine. Background Technique
[0002] The middle-wire walking wire cutting machine is a mechanical device used for metal processing, mainly used for cutting, engraving, punching and other processing operations on metal materials. Its working principle is to use a high-speed moving metal wire as a cutting tool and precisely cut the metal material through the way of electric spark discharge.
[0003] When the wire cutting machine changes the wire, the user needs to manually thread the cutting wire through the eye film at the head of the machine, then place the cutting wire outside the head of the machine and tighten the wire through the tensioning wheel. Since the user needs to feel and pick up the eye film at the head of the machine and align the cutting wire head, and the aperture of the eye film at the head of the machine is small and difficult to align, the wire threading is cumbersome and complex. Therefore, an automatic wire threading structure for a middle-wire walking wire cutting machine is proposed to solve the above problems. Utility Model Content
[0004] Aiming at the deficiencies of the prior art, the present application provides an automatic wire threading structure for a middle-wire walking wire cutting machine, which has the advantages of facilitating the alignment of the eye film and automatically threading the cutting wire.
[0005] To achieve the above object, the present application provides the following technical solution: An automatic wire threading structure for a middle-wire walking wire cutting machine, including a machine head, a wire laying table installed at the end of the machine head, and a wire support fixedly installed below the wire laying table. The wire support is a rectangular block with a U-shaped cross section. A through hole for the cutting wire to pass through is provided in the center of the bottom of the wire support. A traction device for pulling the cutting wire is arranged inside the wire support;
[0006] The traction device includes a traction device rotatably installed inside the wire support and an alignment mechanism for guiding the cutting wire below. An electric slide is also slidably installed on the inner top wall of the wire support. A clamp for clamping the end of the cutting wire is fixedly installed at the lower end of the electric slide;
[0007] The alignment mechanism includes an alignment frame, a bending angle connected to the alignment frame through a spring, and a guide tube slidably arranged on the alignment frame.
[0008] Further, a wire guide frame and a wire tightening wheel are fixedly installed on the machine head through an L-shaped extension part. A groove aligned with the front and rear positions of the eye film is provided outside the wire laying table.
[0009] Further, one end of the bending angle is L-shaped and is slidably connected to the alignment frame and is connected by a spring.
[0010] Further, a chute is formed at the top of the centering frame, a slider is slidably mounted in the chute, and the guiding tube is fixedly connected to the slider so as to slide relative to the centering frame.
[0011] Further, a compression spring is fixedly installed between the slider and the bottom wall of the chute.
[0012] Further, a wire threading tube is integrally and fixedly connected to the bottom of the centering frame, and the wire threading tube communicates with the guiding tube.
[0013] Further, the middle of the slider is penetrated, and the compression spring is connected to both ends of the slider.
[0014] Compared with the prior art, the technical solution of the present application has the following beneficial effects:
[0015] For the automatic wire threading structure of the middle wire cutting machine, by providing a tractor, an electric sliding plate and a fixture in the wire support, the cutting wire passing through the eye film can be conveniently pulled out to the end position of the wire support by the tractor. At the same time, by connecting a wire threading tube and a guiding tube on the centering frame that can slide relative to the wire support, the traction wire can be conveniently aligned with the eye film for wire threading, reducing the cumbersome process of manually threading the eye film by finger. And by driving the cutting wire with the provided tractor, the wire threading of the cutting wire is made more convenient, improving the practicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 is a schematic diagram of the overall structure of the present application;
[0017] Figure 2 is a three-dimensional structure diagram of the wire connecting platform of the present application;
[0018] Figure 3 is the present application Figure 1 is an enlarged structure diagram at A of the present application;
[0019] Figure 4 is a schematic diagram of the structure of the centering frame of the present application.
[0020] In the figure: 1, machine head; 2, wire connecting platform; 3, wire support; 4, eye film; 5, wire guiding frame; 6, wire tightening wheel; 7, tractor; 8, electric sliding plate; 9, fixture; 10, centering frame; 11, bending angle; 12, chute; 13, slider; 14, guiding tube; 15, compression spring; 16, wire threading tube. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present application without creative efforts shall fall within the protection scope of the present application.
[0022] Please refer to Figures 1 to 4 , an automatic wire threading structure of a middle-wire EDM in this embodiment, includes a machine head 1, a wire laying table 2 installed at the end of the machine head 1, and a wire support 3 fixedly installed below the wire laying table 2. The wire support 3 is a rectangular block with a U-shaped cross-section, and a wire eye 4 for the cutting wire to pass through is centrally penetrated through the bottom of the wire support 3.
[0023] In this embodiment, a traction device for pulling the cutting wire is arranged in the wire support 3 to pull the cutting wire passing through the wire eye 4.
[0024] In the present application, by arranging the traction device to penetrate the cutting wire into the wire eye 4, it is possible to eliminate the need for the user to manually thread the cutting wire, thereby reducing the difficulty of wire threading.
[0025] It should be noted that the traction device includes a traction device 7 rotatably installed in the wire support 3 and a hole-aligning mechanism for guiding the cutting wire below. The traction device 7 includes two rotating wheels, and the two rotating wheels are reversely driven by the meshing of two gears at their ends. At the same time, one of the gears should be connected to a driving source for rotation, and the driving source can be a motor or a rotary cylinder.
[0026] Preferably, a friction pad can also be fixed to the outside of the traction device 7 to increase the contact friction force.
[0027] An electric slide plate 8 is also slidably installed on the inner top wall of the wire support 3 in this embodiment. A clamp 9 for clamping the end of the cutting wire is fixedly installed at the lower end of the electric slide plate 8. The clamp 9 is composed of two mutually fitting rectangular blocks and is driven by a hydraulic element as an actuator. The end of the cutting wire extending into the wire support 3 can be clamped and fixed by the clamp 9, so that the cutting wire can be slid and pulled by the electric slide plate 8. It should be noted that the clamp 9 can also be equipped with an infrared probe for judging the extending position of the end of the cutting wire.
[0028] Specifically, the electric slide plate 8, the clamp 9, and the traction device 7 are all selected from conventional mechanical components and will not be elaborated below.
[0029] In a specific implementation, the cutting line is inserted from the lower end of the eye mask 4, and the cutting line is pulled and driven by the tractor 7. When the cutting line extends upward into the fixture 9, the end of the cutting line is clamped by the fixture 9. Subsequently, under the sliding of the electric skateboard 8, the end of the cutting line extends to the side position of the wire support 3, facilitating the connection of the cutting line.
[0030] In this embodiment, a wire guide 5 and a wire tightening wheel 6 are also fixedly installed on the machine head 1 through an L-shaped extension part. A groove aligned with the front and rear positions of the eye mask 4 is provided outside the wire laying table 2. Through the setting of the groove, it is convenient to wind the cutting line passing through the wire support 3 around the wire laying table 2 and fix and tighten it through the wire tightening wheel 6.
[0031] It should be noted that the hole alignment mechanism includes an alignment frame 10, a bending angle 11 connected to the alignment frame 10 through a spring, and a guide tube 14 sliding on the alignment frame 10. One end of the L-shaped bending angle 11 is slidably connected to the alignment frame 10 and connected by a spring, so that the bending angle 11 can be pulled by the spring to approach the alignment frame 10.
[0032] With such a design, under the traction of the spring, the alignment frame 10 can clamp and slide at the lower end position of the wire support 3, and the guide tube 14 on the alignment frame 10 is in the middle position.
[0033] In this embodiment, a sliding groove 12 is provided at the top of the alignment frame 10, and a slider 13 is slidably installed in the sliding groove 12. The guide tube 14 is fixedly connected to the slider 13 and thus slides relative to the alignment frame 10.
[0034] Preferably, a compression spring 15 is also fixedly installed between the middle part of the slider 13 and the bottom wall of the sliding groove 12. Through the compression spring 15, the slider 13 can be pushed to slide upward, so that the guide tube 14 pops out of the alignment frame 10 and is inserted into the eye mask 4.
[0035] In this embodiment, a wire passing tube 16 is also integrally and fixedly connected to the bottom of the alignment frame 10, and the wire passing tube 16 is communicated with the guide tube 14.
[0036] It is worth noting that the middle part of the slider 13 is penetrated to facilitate the cutting line to pass through, and the compression spring 15 is connected to both ends of the slider 13.
[0037] The working principle of the above embodiment is as follows:
[0038] The user pulls the cutting line upward after passing it through the central hole of the workpiece, slides the centering frame 10 to the bottom position of the wire support 3. During the sliding process of the centering frame 10, the eye film 4 and the guide tube 14 are aligned vertically. Pushed by the compression spring 15, the guide tube 14 slides upward and extends into the eye film 4. At this time, it is not necessary for the user to align the eye film 4 with their fingers for threading. The cutting line is fed into the wire threading tube 16 and extends upward. The cutting line passing through the eye film 4 is continuously threaded under the traction of the tractor 7 until the cutting line extends to the fixture 9. The end of the cutting line is clamped and connected by the fixture 9. The electric sliding plate 8 is controlled to slide to lead out the end of the cutting line to the end position of the wire support 3. At this time, the user can conveniently pick up the end of the cutting line, pull it over the outside of the wire connecting table 2 and extend it to one end of the machine head 1 and be fixed to the wire tightening wheel 6 to complete the threading of the cutting line.
[0039] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising an..." does not exclude the existence of additional identical elements in the process, method, article or device comprising the element.
[0040] Although the embodiments of the present application have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present application. The scope of the present application is defined by the appended claims and their equivalents.
Claims
1. An automatic threading structure of a medium-speed wire cutting machine, comprising a machine head (1), a wire mounting platform (2) installed at the end of the machine head (1), and a wire support (3) fixedly installed below the wire mounting platform (2), characterized in that: The wire holder (3) is a rectangular block with a U-shaped cross section. An eye mask (4) is provided in the center of the bottom of the wire holder (3) for the cutting wire to pass through. A traction device for traction of the cutting wire is provided in the wire holder (3). The traction device comprises a tractor (7) rotatably mounted in the wire holder (3) and a hole alignment mechanism for guiding the cutting wire below; an electric slide plate (8) is also slidably mounted on the inner top wall of the wire holder (3); a clamp (9) for clamping the end of the cutting wire is fixedly mounted on the lower end of the electric slide plate (8); The hole alignment mechanism comprises a centering frame (10), a bending angle (11) connected to the centering frame (10) via a spring, and a guide tube (14) sliding on the centering frame (10).
2. The automatic threading structure of the medium-speed wire cutting machine according to claim 1 is characterized in that: A wire rack (5) and a wire tensioning wheel (6) are fixedly mounted on the machine head (1) through an L-shaped extension portion, and a groove aligned with the front and rear positions of the eye mask (4) is formed on the outside of the wire mounting platform (2).
3. The automatic threading structure of the medium-speed wire cutting machine according to claim 1 is characterized in that: The bending angle (11) is L-shaped and one end is slidably connected to the centering frame (10) and is connected by a spring.
4. The automatic threading structure of the medium-speed wire cutting machine according to claim 1 is characterized in that: A slide groove (12) is provided on the top of the centering frame (10), a slider (13) is slidably installed in the slide groove (12), and the guide tube (14) is fixedly connected to the slider (13) so as to slide relative to the centering frame (10).
5. The automatic threading structure of the medium-speed wire cutting machine according to claim 4 is characterized in that: A compression spring (15) is also fixedly installed between the slider (13) and the bottom wall of the slide groove (12).
6. The automatic threading structure of the medium-speed wire cutting machine according to claim 1 is characterized in that: The bottom of the centering frame (10) is also integrally and fixedly connected with a threading tube (16), and the threading tube (16) is connected to the guide tube (14).
7. The automatic threading structure of the medium-speed wire cutting machine according to claim 5 is characterized by: The middle part of the slider (13) passes through, and the compression spring (15) and the two end positions of the slider (13) are connected to each other.