Wire sawing device
By adopting a clamping plate design in the online wire clamping device that combines an elastic part with a wire winding cylinder, the problem of electrode wire cracking caused by rigid clamping of the clamping plate is solved, achieving uniform clamping of the electrode wire and improving the clamping success rate.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- POSITTEC WEDM EQUIP CO LTD
- Filing Date
- 2025-07-04
- Publication Date
- 2026-06-19
AI Technical Summary
In existing technologies, the rigid clamping of electrode wires by clips can easily lead to cracking of the electrode wires.
The design employs a clamping plate with an elastic part that engages with the winding drum. A pressing mechanism keeps the elastic part of the clamping plate and the winding drum in a pressed state, thereby achieving uniform clamping of the electrode wire.
This reduces the bending radius of the electrode wire, prevents the electrode wire from cracking, and improves the success rate of electrode wire clamping.
Smart Images

Figure CN224372990U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the technical field of wire cutting equipment, specifically a wire cutting wire clamping device. Background Technology
[0002] Chinese invention patent CN119216689B, entitled "A Dual-Wire EDM Machine and Its Usage Method," discloses a dual-wire EDM machine comprising: a frame, a first wire source device, a second wire source device, a tensioning device, a wire changing and feeding device, a wire threading device, a wire clamping device, and a first wire conveying device. The wire clamping device includes: a pressing mechanism, a first clamping plate, and a second clamping plate. The pressing mechanism and the second clamping plate are mounted on a wire winding drum, the first clamping plate is mounted on the pressing mechanism, and the second clamping plate is positioned between the wire winding drum and the first clamping plate. The pressing mechanism applies a force to the first clamping plate towards the second clamping plate, causing the first and second clamping plates to be in a pressed state. This clamping plate, being a rigid structure for holding the electrode wire, is prone to electrode wire cracking. Utility Model Content
[0003] Purpose of the utility model: To provide a wire cutting wire clamping device, which clamps the electrode wire through the elastic part of the clamping plate, thus solving the problem that the electrode wire is prone to cracking when the clamping plate rigidly clamps the electrode wire in the prior art.
[0004] The technical solution of this utility model is: a wire cutting clamping device, which is installed on the wire winding drum and set on one side of the wire threading device.
[0005] The wire cutting clamping device includes: a pressing mechanism and clamping plates.
[0006] The pressing mechanism is installed on the winding drum, and the clamping plate is installed on the pressing mechanism.
[0007] The clamping piece includes a main body and an elastic part, the elastic part being connected to the main body, and the main body being mounted on the pressing mechanism.
[0008] The pressing mechanism is used to apply a force toward the winding drum to the clamping piece, so that the elastic part of the clamping piece is pressed together with the winding drum.
[0009] In a further embodiment, the elastic portion is a sheet-like structure with one end connected to the main body and the other end extending away from the main body.
[0010] In a further embodiment, the elastic part extends from the lowest point of the winding drum in a direction away from the threading device, so that the elastic part cooperates with the lowest point of the winding drum to clamp the electrode wire, which can reduce the bending amplitude of the electrode wire near the threading device when the electrode wire is clamped.
[0011] In a further embodiment, the portion of the elastic part that engages with the winding drum and is close to the threading device is located below the lowest generatrix of the winding drum. This reduces the bending amplitude of the electrode wire near the threading device and facilitates the threading device in feeding the electrode wire into the elastic part and the winding drum.
[0012] In a further embodiment, the portion of the elastic part that engages with the winding bobbin and is close to the threading device is located on the side of the lowest generatrix of the winding bobbin that is far from the threading device, which can reduce the bending amplitude of the electrode wire at the portion of the elastic part close to the threading device.
[0013] In a further embodiment, the elastic part is connected to the middle part of the main body, and a gap space is provided between the elastic part and the main body.
[0014] When the elastic part and the winding cylinder are in a pressed state, the main body can move towards the elastic part, thereby reducing the size of the gap space and enabling the elastic part above the main body to also have elasticity.
[0015] In a further embodiment, the pressing mechanism is connected to two parts of the main body.
[0016] The part where the elastic part connects to the main body is located between the two parts where the pressing mechanism connects to the main body, so that the resultant force of the two connecting parts of the pressing mechanism and the main body can be transmitted to the elastic part, ensuring the clamping force on the electrode wire.
[0017] In a further embodiment, the elastic part is made of titanium alloy TC4.
[0018] In a further embodiment, the pressing mechanism includes: a guide, an actuating element, a power element, and a limiting element.
[0019] The guide is installed on the winding drum, the actuating element is installed on the guide and passes through the winding drum, the clamp is installed at one end of the actuating element, and the limiting element is installed at the other end of the actuating element.
[0020] The power element is connected to the limiting member, which applies a force toward the winding drum to the clamping piece through the limiting member and the actuating member, thereby increasing the space size when the first clamping piece is separated from the outer wall of the winding drum and improving the success rate of clamping the electrode wire.
[0021] In a further embodiment, the wire cutting clamping device further includes a separation mechanism.
[0022] The separation mechanism includes a pusher and a drive assembly.
[0023] The pusher is installed on the drive assembly. The drive assembly applies a force away from the winding drum to the clamp through the pusher, which can make the clamp actively move away from the winding drum. Only one clamp needs to be set to cooperate with the winding drum. There is no need for the clamp to cooperate with the wire threading device, which greatly reduces the bending amplitude of the electrode wire between the clamp and the wire threading device.
[0024] The beneficial effects of this utility model are: This application uses the elastic part of the clamping plate to cooperate with the winding drum to clamp the electrode wire in a pressed state. The elastic part can make the electrode wire be clamped evenly between the clamping plate and the winding drum, which solves the problem of the electrode wire cracking that occurs when the clamping plate rigidly clamps the electrode wire in the prior art. Attached Figure Description
[0025] Figure 1 This is a schematic diagram of the isometric structure of the clip of this utility model.
[0026] Figure 2 This is a front view schematic diagram of the clip structure of this utility model.
[0027] Figure 3 This is a schematic diagram of the winding cylinder, pressing mechanism, and clamping plate mating structure of this utility model.
[0028] Figure 4 This is an isometric structural diagram of the threading device, winding cylinder, separating mechanism, pressing mechanism, and clamping plate of this utility model.
[0029] The reference numerals in the figure are as follows: clamp 1, main body 11, elastic part 12, gap space 13, pressing mechanism 2, guide 21, actuating part 22, power element 23, limiting part 24, separation mechanism 3, pushing part 31, drive assembly 32, winding drum 4, threading device 5. Detailed Implementation
[0030] In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. However, it will be apparent to those skilled in the art that the present invention can be practiced without one or more of these details. In other instances, certain technical features well-known in the art have not been described in order to avoid confusion with the present invention.
[0031] This application discloses a wire cutting clamping device, which clamps the electrode wire through the elastic part of the clamping plate, thus solving the problem that the electrode wire is prone to cracking when the clamping plate rigidly clamps the electrode wire in the prior art.
[0032] like Figure 4 The wire cutting clamping device shown is installed on the wire winding spool 4 and is located on one side of the wire threading device 5.
[0033] like Figure 3The wire cutting clamping device shown includes: a pressing mechanism 2 and a clamping plate 1.
[0034] The pressing mechanism 2 is installed on the winding drum 4, and the clamping plate 1 is installed on the pressing mechanism 2.
[0035] like Figure 1 and 2 The clamp 1 shown includes a main body 11 and an elastic part 12. The elastic part 12 is connected to the main body 11, and the main body 11 is mounted on the pressing mechanism 2.
[0036] The pressing mechanism 2 is used to apply a force toward the winding drum 4 to the clamping plate 1, so that the elastic part 12 of the clamping plate 1 and the winding drum 4 are in a pressing state, and the electrode wire is clamped by the cooperation of the elastic part 12 and the winding drum 4.
[0037] like Figure 1 and 2 The elastic part 12 shown is a sheet-like structure with one end connected to the main body 11 and the other end extending away from the main body 11.
[0038] like Figure 3 The elastic part 12 shown extends away from the wire threading device 5 from the lowest generatrix of the winding drum 4. The lowest generatrix refers to the generatrix with the lowest altitude when the elastic part 12 and the winding drum 4 are separated and the winding drum 4 is placed horizontally in the axial direction.
[0039] The part of the elastic part 12 that engages with the winding drum 4 and is close to the threading device 5 is located below the lowest generatrix of the winding drum 4. Alternatively, the part of the elastic part 12 that engages with the winding drum 4 and is close to the threading device 5 may be located on the side of the lowest generatrix of the winding drum 4 away from the threading device 5.
[0040] like Figure 1 and 2 The elastic part 12 is connected to the middle of the main body part 11, and a gap space 13 is provided between the elastic part 12 and the main body part 11.
[0041] When the elastic part 12 and the winding cylinder 4 are in a pressed state, the main body 11 can move towards the elastic part 12, thereby reducing the size of the gap space 13, and the main body 11 can move to the position where it contacts the elastic part 12.
[0042] like Figure 3 The pressing mechanism 2 shown is connected to two parts of the main body 11.
[0043] The portion where the elastic part 12 connects to the main body part 11 is located between the two portions where the pressing mechanism 2 connects to the main body part 11, such as... Figure 1 The elastic part 12 shown has a through hole so that the guide 21 of the pressing mechanism 2 passes through the elastic part 12 and connects with the main body 11.
[0044] In the above embodiment, the elastic part 12 is made of titanium alloy TC4, which can make the main body 11 and the elastic part 12 an integral structure, and make the main body 11 and the elastic part 12 a material with high specific strength and good toughness, such as titanium alloy TC4.
[0045] like Figure 3 The pressing mechanism 2 shown includes: a guide 21, an actuating element 22, a power element 23, and a limiting element 24.
[0046] The guide 21 is installed on the winding drum 4, the actuating element 22 is installed on the guide 21 and passes through the winding drum 4, the clamp 1 is installed on one end of the actuating element 22, and the limiting element 24 is installed on the other end of the actuating element 22.
[0047] The power element 23 is connected to the limiting member 24, which applies a force toward the winding drum 4 to the clamp 1 through the limiting member 24 and the actuating member 22, wherein the power element 23 is a spring or a magnetic assembly.
[0048] like Figure 4 The wire cutting clamping device shown also includes a separation mechanism 3, which includes a pusher 31 and a drive assembly 32.
[0049] The pusher 31 is installed on the drive assembly 32, and the drive assembly 32 applies a force away from the winding drum 4 to the clamp 1 through the pusher 31.
[0050] like Figure 4 The pusher 31 and the actuating member 22 of the separation mechanism 3 shown can be detached and engaged. The actuating member 22 applies a force to the clamping piece 1 away from the winding drum 4. In other embodiments, the pusher 31 and the main body 11 of the clamping piece 1 can also be detached and engaged, so that the pusher 31 applies a force to the clamping piece 1 away from the winding drum 4.
[0051] The drive assembly 32 can be a common structure such as a lead screw mechanism, a crank-slider mechanism, a cam mechanism, a gear and rack mechanism, a connecting rod mechanism, or a hydraulic / pneumatic cylinder.
[0052] Instructions for use: When wire clamping is required, the separation mechanism 3 applies a force away from the winding drum 4 to the clamping plate 1 through the action member 22. Then, the wire threading device 5 moves the wire threading tube between the clamping plate 1 and the winding drum 4. Then, the electrode wire in the wire threading tube moves between the elastic part 12 of the clamping plate 1 and the winding drum 4.
[0053] Then the pushing member 31 of the separation mechanism 3 separates from the actuating member 22, and the pressing mechanism 2 applies a force to the clamping plate 1 toward the winding drum 4, so that the elastic part 12 of the clamping plate 1 and the winding drum 4 are in a pressing state, so that the electrode wire is clamped between the elastic part 12 of the clamping plate 1 and the winding drum 4.
[0054] 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 clamping device for wire cutting, which is installed on the wire winding spool and located on one side of the wire threading device; characterized in that The wire cutting wire clamping device includes: a pressing mechanism and clamping plates; The pressing mechanism is installed on the winding drum, and the clamping plate is installed on the pressing mechanism; The clamping piece includes a main body and an elastic part, the elastic part being connected to the main body, and the main body being mounted on the pressing mechanism; The pressing mechanism is used to apply a force toward the winding drum to the clamping piece, so that the elastic part of the clamping piece is pressed together with the winding drum.
2. The wire saw device of claim 1, wherein, The elastic part is a sheet-like structure with one end connected to the main body and the other end extending away from the main body.
3. The wire cutting clamping device according to claim 1, characterized in that, The elastic part extends away from the lowest generatrix of the winding bobbin in a direction away from the threading device.
4. The wire cutting clamping device according to claim 3, characterized in that, The elastic part that engages with the winding bobbin and is located near the threading device is below the lowest generatrix of the winding bobbin.
5. The wire cutting wire clamping device according to claim 3, characterized in that, The elastic part that engages with the winding bobbin and is located near the threading device is situated on the side of the winding bobbin away from the threading device at its lowest generatrix.
6. The wire cutting clamping device according to claim 1, characterized in that, The elastic part is connected to the middle part of the main body, and a gap space is provided between the elastic part and the main body; When the elastic part and the winding bobbin are in a pressed state, the main body part can move towards the elastic part, thereby reducing the size of the gap space.
7. The wire cutting wire clamping device according to claim 6, characterized in that, The pressing mechanism is connected to two parts of the main body; The part where the elastic part connects to the main body is located between the two parts where the pressing mechanism connects to the main body.
8. The wire cutting clamping device according to any one of claims 1-7, characterized in that, The elastic part is made of titanium alloy TC4.
9. The wire cutting clamping device according to claim 1, characterized in that, The pressing mechanism includes: a guide, an actuating component, a power element, and a limiting component; The guide is installed on the winding drum, the actuating member is installed on the guide and passes through the winding drum, the clamp is installed at one end of the actuating member, and the limiting member is installed at the other end of the actuating member; The power element is connected to the limiting member, which applies a force toward the winding drum to the clamp through the limiting member and the actuating member.
10. The wire cutting clamping device according to claim 1 or 9, characterized in that, Also includes: Separation mechanism; The separation mechanism includes: a pushing component and a driving assembly; The pusher is mounted on the drive assembly, and the drive assembly applies a force away from the winding drum to the clamp through the pusher.