Wire cutting guide wire tube and guide wire device
By combining the first and second tubes, the problem of the guide tube passing through the small wire threading hole was solved, enabling efficient wire threading of stepped, curved, and hollow workpieces and improving the success rate of wire threading.
Patent Information
- Application Number
- CN202422961497.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-03
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-03
AI Technical Summary
Existing wire guide tubes are difficult to pass through small wire-threading holes in workpieces, especially workpieces with stepped, curved, or hollow structures, resulting in a low wire-threading success rate.
The design employs a combination of a first tube and a second tube. The outer diameter of the perforated part of the second tube is smaller than that of the mounting part. The first tube and the second tube work together to achieve a detachable connection. The guiding structure improves the success rate of electrode wire insertion. The second tube can be inserted into the wire guide hole of the lower head.
It improves the success rate of the guide wire passing through the small wire-threading hole, and is suitable for workpieces with various non-planar ends and hollow structures, thus enhancing the reliability and efficiency of wire threading.
Smart Images
Figure CN223588480U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to electrode wire cutting equipment field, specifically a wire cutting guide pipe and guide wire device. BACKGROUND
[0002] In prior art, the eye module of guide pipe is generally installed at the end close to workpiece, which leads to the end close to workpiece of guide pipe with larger diameter, and the workpiece needs to be aligned with the surface of guide pipe before wire cutting, and then the workpiece is threaded, which has the problem that the guide pipe cannot pass through the small threading hole of workpiece.
[0003] But the threading hole end of some workpieces is a stepped structure, or a local stepped structure, or a curved surface structure, which is a non-planar structure, which will lead to the problem that the guide pipe of prior art is difficult to align with the surface of workpiece, and then leads to the problem of low threading success rate, and some workpieces are hollow structures, which are easy to cause the electrode wire to move to the hollow structure and lead to the problem of low threading success rate. UTILITY MODEL CONTENT
[0004] The utility model discloses a wire cutting guide pipe and guide wire device, which can pass through some smaller threading holes through the cooperation of the first pipe and the second pipe, thereby improving the threading success rate and solving the problem of low threading success rate caused by the fact that the guide pipe of prior art cannot pass through the small threading hole of workpiece.
[0005] The technical scheme of the utility model is as follows: in the first aspect, a wire cutting guide pipe is installed on the upper head.
[0006] The guide pipe comprises a first pipe, a second pipe and an eye module.
[0007] One end of the first pipe is installed on the upper head, the second pipe is installed on the other end of the first pipe, and the eye module is installed between the first pipe and the second pipe.
[0008] The second pipe comprises a mounting portion and a perforated portion arranged in sequence, the mounting portion is installed on the first pipe, and the outer diameter of the perforated portion is smaller than that of the mounting portion.
[0009] In further embodiments of the first aspect, the first pipe and the second pipe are detachably connected, so that when the second pipe is seriously worn, the new second pipe can be quickly replaced to ensure the threading work efficiency.
[0010] In further embodiments of the first aspect, the first pipe and the second pipe are screw-connected.
[0011] In further embodiments of the first aspect, the guide wire hole of the mounting portion is provided with a guide structure close to one end of the first pipe, which can improve the success rate of the electrode wire entering the second pipe from the first pipe.
[0012] In a further embodiment of the first aspect, the perforated section is a straight tube structure having an outer diameter of 0.5-3 mm.
[0013] In a further embodiment of the first aspect, the perforated section has a length of 10-200 mm.
[0014] In a second aspect, a wire guide device comprises: an upper head, a lower head, and the wire guide tube of the first aspect.
[0015] The upper head and the lower head are installed on a wire cutting machine, and the wire guide tube is installed on the upper head.
[0016] The wire guide tube is arranged between the upper head and the lower head, and the first tube, the eye module, and the second tube of the wire guide tube are arranged in sequence from top to bottom.
[0017] The inner diameter of the wire guide hole of the lower head near one end of the wire guide tube is greater than the outer diameter of the perforated section of the second tube, so that the second tube of the wire guide tube can be inserted into the wire guide hole of the lower head, and when the second tube is inserted into the wire guide hole of the lower head, the wire threading success rate can be further improved.
[0018] The wire guide device has the advantages that: by cooperation of the first tube and the second tube, the eye module is installed between the first tube and the second tube, the diameter of the second tube can be reduced, the outer diameter of the second tube away from one end of the first tube is less than the outer diameter of the second tube close to one end of the first tube, the second tube can directly pass through the threading hole for threading when the workpiece with the end part of the threading hole having a stepped structure, a local stepped structure, or a curved surface structure, and the workpiece is a hollow structure, and the threading success rate is improved, and the problem that the wire guide tube of the prior art cannot pass through the smaller threading hole of the workpiece and results in a low threading success rate is solved. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 is an explosion schematic diagram of the wire guide tube of the utility model.
[0020] Figure 2 is a cross-sectional view schematic diagram of the wire guide tube of the utility model.
[0021] Figure 3 is an axonometric schematic diagram of the wire guide device of the utility model.
[0022] Figure 4 is an axonometric schematic diagram of the workpiece with the end part of the threading hole having a stepped structure, a local stepped structure, or a curved surface structure, and the workpiece being a hollow structure.
[0023] Figure 5 is a cooperation cross-sectional view schematic diagram of the wire guide tube of the utility model and the workpiece with the end part of the threading hole having a stepped structure, and the workpiece being a hollow structure.
[0024] Figure 6 is the profile view schematic diagram of the guide wire tube and the wire hole end part of the present utility model and the workpiece is a hollow structure workpiece.
[0025] Figure 7 is the profile view schematic diagram of the guide wire tube and the wire hole of the present utility model and the wire hole end part is a curved surface structure and the workpiece is a hollow structure workpiece.
[0026] Figure 8 is the profile view schematic diagram of the guide wire tube and the wire hole of the present utility model and the wire hole end part is a curved surface structure and the workpiece is a hollow structure workpiece.
[0027] The reference signs shown in the figure are: first pipe 1, eye module 2, second pipe 3, mounting part 31, perforated part 32, upper machine head 4, lower machine head 5, workpiece 6. DETAILED DESCRIPTION
[0028] In the following description, a large number of specific details are given in order to provide a more thorough understanding of the present utility model. However, it is obvious to those skilled in the art that the present utility model can be implemented without one or more of these details. In other examples, some technical features known in the art are not described in order not to obscure the present utility model.
[0029] The present application discloses a wire cutting guide wire tube and a guide wire device, as shown in Figure 3 The wire cutting guide wire tube is installed on the upper machine head of the guide wire device, as shown in Figures 5-8 The guide wire tube passes through the cooperation of the first pipe and the second pipe, so that the second pipe can pass through some smaller wire holes, thereby improving the wire passing success rate and solving the problem of low wire passing success rate caused by the fact that the guide wire tube of the prior art cannot pass through the smaller wire holes of the workpiece.
[0030] In the first aspect, as shown in Figure 1 and 2 The guide wire tube comprises: a first pipe 1, a second pipe 3 and an eye module 2.
[0031] One end of the first pipe 1 is installed on the upper machine head 4, the second pipe 3 is installed on the other end of the first pipe 1, and the eye module 2 is installed between the first pipe 1 and the second pipe 3.
[0032] The second pipe 3 comprises: a mounting part 31 and a perforated part 32 arranged in sequence, the mounting part 31 is installed on the first pipe 1, and the outer diameter of the perforated part 32 is smaller than the outer diameter of the mounting part 31.
[0033] As shown in Figure 2 The first pipe 1, the second pipe 3 and the eye module 2 are provided with a wire guide hole in communication, and when the guide wire tube is installed on the upper machine head 4, the mounting part 31 and the perforated part 32 are arranged in sequence from top to bottom.
[0034] As to the connection of the first pipe 1 and the second pipe 3, the first pipe 1 and the second pipe 3 can be detachably connected, and the flange structure and the screw connection can be used to connect the first pipe 1 and the second pipe 3.
[0035] As shown in the embodiment shown in Figure 1 , the first pipe 1 and the second pipe 3 are threadedly connected, the end of the first pipe 1 is externally threaded, the mounting portion 31 is internally threaded, the first pipe 1 and the second pipe 3 are threadedly connected to achieve the detachable connection, or the end of the first pipe 1 is internally threaded, the mounting portion 31 is externally threaded, the first pipe 1 and the second pipe 3 are threadedly connected to achieve the detachable connection.
[0036] As to the mounting portion 31, the guide structure is arranged on the wire guide hole of the mounting portion 31 close to one end of the first pipe 1, and the guide structure can be the counter-sinking guide structure.
[0037] As to the perforating portion 32, the perforating portion 32 is a straight pipe structure with an outer diameter of 0.5-3mm, the outer diameter of the perforating portion 32 is < the inner diameter of the wire hole of the workpiece, and in Figures 5-8 the embodiment shown in the drawings, the outer diameter of the first pipe 1 and the mounting portion 31 is 6mm, and the outer diameter of the perforating portion 32 is 0.9mm.
[0038] The length of the perforating portion 32 is 10-200mm, and the length of the perforating portion 32 is > the length of the wire hole of the workpiece, and in Figures 5-8 the embodiment shown in the drawings, the length of the perforating portion 32 is 59.5mm.
[0039] The straight pipe structure of the perforating portion 32 can be a cylindrical structure or a prism structure, and when the straight pipe structure of the perforating portion 32 is a prism structure, the diameter of the circumscribed circle of the prism structure is the outer diameter of the prism structure.
[0040] In the second aspect, the wire guide device comprises: an upper head 4, a lower head 5, and the wire guide pipe of the first aspect.
[0041] The upper head 4 and the lower head 5 are installed on the wire cutting machine, and the wire guide pipe is installed on the upper head 4.
[0042] The wire guide pipe is arranged between the upper head 4 and the lower head 5, and the first pipe 1, the eye module 2 and the second pipe 3 of the wire guide pipe are arranged in sequence from top to bottom.
[0043] The inner diameter of the wire guide hole of the lower head 5 close to one end of the wire guide pipe is > the outer diameter of the perforating portion 32 of the second pipe 3, so that the second pipe 3 of the wire guide pipe can be inserted into the wire guide hole of the lower head 5.
[0044] Among them, the upper head 4 is provided with a wire guide hole communicating with the first pipe 1, the eye module 2 and the second pipe 3, and the lower head 5 is provided with a wire guide hole cooperating with the second pipe 3, as Figure 3The guide hole of the lower head 5 shown has a countersunk guide structure near the end of the guide tube, which allows the second tube 3 of the guide tube to be inserted into the countersunk guide structure of the guide hole. In a preferred embodiment, the second tube 3 of the guide tube can also be inserted into the guide hole of the lower head 5 through the countersunk hole.
[0045] Instructions for use: Install the wire guide device on the wire EDM machine and fix the workpiece 6 on the wire EDM machine.
[0046] When the end of the wire-threading hole of workpiece 6 is a non-planar structure such as a stepped structure, a partially stepped structure, or a curved surface structure, or when workpiece 6 is a hollow structure, the wire guide tube described in the first aspect shall be used.
[0047] Then as Figures 5-8 The wire EDM machine shown in the figure drives the wire guide tube through the wire hole of the workpiece 6 and then feeds the wire, so that the electrode wire passes through the upper head 4, the wire guide tube and the lower head 5 in sequence.
[0048] After the wire threading is completed, the wire EDM machine pulls the wire guide tube out of the wire threading hole of the workpiece 6, and then performs the wire EDM operation.
[0049] As described above, although the present invention has been shown and described with reference to specific preferred embodiments, it should not be construed as limiting the present invention itself. Various changes in form and detail may be made to the present invention without departing from the spirit and scope of the appended claims.
Claims
1. A wire cutting guide tube, which is installed on the upper cutting head; Its features are, The guide wire includes: First tube, second tube, and eye mold; One end of the first tube is installed on the upper machine head, the second tube is installed on the other end of the first tube, and the eyepiece is installed between the first tube and the second tube; The second tube includes a mounting portion and a perforated portion arranged sequentially, wherein the mounting portion is mounted on the first tube, and the outer diameter of the perforated portion is smaller than the outer diameter of the mounting portion.
2. The wire cutting guide tube according to claim 1, characterized in that, The first tube and the second tube are detachably connected.
3. The wire cutting guide tube according to claim 2, characterized in that, The first pipe and the second pipe are connected by threads.
4. The wire cutting guide tube according to claim 1, characterized in that, The guide wire hole of the mounting part is provided with a guide structure at the end near the first tube.
5. The wire cutting guide tube according to claim 1, characterized in that, The perforated section is a straight tube structure with an outer diameter of 0.5-3mm.
6. The wire cutting guide tube according to claim 1, characterized in that, The length of the perforated portion is 10-200mm.
7. A wire guide device, characterized in that, include: Upper die head, lower die head, and the guide tube as described in any one of claims 1-6; The upper and lower heads are mounted on the wire cutting machine, and the wire guide tube is mounted on the upper head; The guide tube is disposed between the upper head and the lower head, and the first tube, eyepiece and second tube of the guide tube are arranged sequentially from top to bottom; The inner diameter of the guide wire hole of the lower die head near the end of the guide wire tube is larger than the outer diameter of the perforation part of the second tube, so that the second tube of the guide wire tube can be inserted into the guide wire hole of the lower die head.