Wire sleeve cutting device
By designing a wire sheath cutting device, the problem of sheath cutting in 3D printing was solved, achieving efficient sheath cutting and effective utilization of wire, and improving the ease of operation and cutting uniformity.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHENZHEN CBD TECH CO LTD
- Filing Date
- 2025-07-01
- Publication Date
- 2026-07-24
AI Technical Summary
In existing 3D printing technologies, the remaining printing filament cannot be fully utilized, resulting in waste, and there is a lack of effective tools when cutting the sleeve after the filament is fused together.
A wire sheath cutting device was designed, including a base, a pressing unit and a blade. The pressing unit presses the sheath fitted on the printing wire against the blade for cutting, and it has both longitudinal and transverse cutting functions.
It achieves efficient cutting of the sleeve, reduces wire waste, improves the convenience of operation and the uniformity of cutting, and enhances practicality.
Smart Images

Figure CN224544699U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of 3D printing technology, specifically to a wire sheath cutting device. Background Technology
[0002] In the current 3D printing field, there is often a situation where the remaining printing filament cannot support the complete printing, resulting in waste. Therefore, it is necessary to weld the printing filament. In the process of filament welding, one important welding method is to use Teflon tubing to isolate and heat the joint of the printing filament. This method has good welding effect and smooth weld joint.
[0003] However, after the wire is successfully welded, the Teflon sleeve on the printing wire needs to be cut longitudinally to facilitate the stripping of the sleeve. Therefore, a convenient and practical wire sleeve cutting device is needed. Summary of the Invention
[0004] The purpose of this application is to provide a wire sheath cutting device for assisting in cutting the Teflon sheath fitted onto the printing wire.
[0005] As a first implementation option, the wire sheath cutting device includes: a base, a pressing unit, and a blade; wherein, a first groove is provided on the upper part of the base; the blade is fixed to the bottom of the first groove with the cutting edge facing upward; one end of the pressing unit is movably connected to the base; the first groove is used to place the wire and the sheath sleeved on the printing wire, and the pressing unit is used to press the sheath sleeved on the printing wire toward the blade to achieve cutting of the sheath sleeved on the printing wire.
[0006] Furthermore, the wire sheath cutting device further includes: a screw; a fixing hole on the blade; a screw hole on the side of the base; and the screw passing through the screw hole and the fixing hole to fix the blade.
[0007] Preferably, the bottom of the pressing unit is provided with a pressure strip; the width of the pressure strip is smaller than the width of the first groove; the pressing unit presses down to fit the base, so that the pressure strip is accommodated in the first groove.
[0008] Furthermore, the wire sheath cutting device further includes: a second groove; the second groove is disposed on the upper part of the base; the axial direction of the second groove intersects the axial direction of the first groove; the second groove is used to place the wire, and the wire is cut by the blade.
[0009] Preferably, in the wire sheath cutting device, the bottom of the pressing unit is provided with a pressing block; the pressing block is used to press the wire placed in the second groove toward the blade to achieve cutting of the wire.
[0010] As a second implementation option, the wire sheath cutting device includes: a base, a pressing unit, and a blade; wherein a first groove is provided on the upper part of the base; one end of the pressing unit is movably connected to the base; the blade is fixed to the bottom of the pressing unit with the cutting edge facing downward and in the same axial direction as the first groove; the first groove is used to place the wire and the sheath fitted onto the printing wire, and the pressing unit is used to press the blade against the sheath fitted onto the printing wire to cut the sheath fitted onto the printing wire.
[0011] Furthermore, the wire sheath cutting device further includes: a second groove; the second groove is disposed on the upper part of the base; the axial direction of the second groove intersects with the axial direction of the second groove; the second groove is used to place the wire, and the wire is cut by the blade.
[0012] As a common implementation option, the wire sheath cutting device further includes: a shaft; one end of the pressing unit is movably connected to the base via the shaft.
[0013] As a common implementation option, the wire sheath cutting device further includes: a torsion spring; the torsion spring is sleeved on the shaft and is used to reset the pressing unit after it is pressed down.
[0014] As a common implementation option, one end of the pressing unit has a connecting neck; the connecting neck is located on one side of the centerline of the pressing unit; the pressing unit is movably connected to the base via the connecting neck and a shaft.
[0015] Compared with the prior art, the beneficial effects of this application are:
[0016] 1. The wire sleeve cutting device proposed in this application embodiment can be used to longitudinally assist in cutting the sleeve fitted on the printing wire after the printing wire is fused, or it can be used to cut and trim the wire end before the printing wire is fused, and it has strong compatibility and practicality.
[0017] 2. The wire sleeve cutting device proposed in this application has a pressing unit connected to the base via a connecting neck shaft located on one side of the center line. With this structure, when the printed wire is placed parallel to the first groove, it can ensure straight placement and straight exit, reduce wire friction, and also make the first groove located at the center line of the base, which can ensure that the force is evenly concentrated on the center line when pressing down to cut the wire, thereby making the cutting force application feel better. Attached Figure Description
[0018] Figure 1 This is an exploded view of the first embodiment of the wire sheath cutting device of this application;
[0019] Figure 2 This is a schematic diagram of the first embodiment of the wire sheath cutting device of this application. Figure 1 ;
[0020] Figure 3 This is a schematic diagram of the first embodiment of the wire sheath cutting device of this application. Figure 2 ;
[0021] Figure 4 This is a schematic diagram of the first embodiment of the wire sheath cutting device of this application. Figure 3 ;
[0022] Figure 5 This is an exploded view of a second embodiment of the wire sheath cutting device according to this application;
[0023] Figure 6 This is a schematic diagram illustrating the second embodiment of the wire sheath cutting device of this application.
[0024] Label Explanation:
[0025] Base 1; Pressing unit 2; Blade 3; Shaft 4; Screw 5; First groove 11; Second groove 12; Screw hole 13; Pressure strip 21; Pressure block 22; Connecting neck 23; Fixing hole 31; Torsion spring 41; Wire sleeve cutting device 100; Printed wire 101; Welding position 102; Teflon sleeve 103. Detailed Implementation
[0026] To make the inventive objectives, features, and advantages of this application more apparent and understandable, the technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the embodiments described below are only some embodiments of this application, and not all embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.
[0027] Figure 1This is an exploded view of the first embodiment of the wire sheath cutting device according to this application. As shown in the figure, the wire sheath cutting device includes: a base 1, a pressing unit 2, a blade 3, a shaft 4, a torsion spring 41, and a screw 5; wherein, a first groove 11 is provided on the upper part of the base 1; the blade 3 is fixed to the bottom of the first groove 11 with the cutting edge facing upward; a fixing hole 31 is provided on the blade 3; a screw hole 13 is also provided on the side of the base 1; the screw 5 passes through the screw hole 13 and the fixing hole 31 to fix the blade 3; one end of the pressing unit 2 has a connecting neck 23; the connecting neck 23 is located on one side of the centerline of the pressing unit 2; the pressing unit 2 is movably connected to the base 1 via the shaft 4 through the connecting neck 23; the torsion spring 41 is sleeved on the shaft 4 and is used to reset the pressing unit 2 after pressing down;
[0028] The first groove 11 is used to place the wire and the sleeve fitted on the printing wire. The pressing unit 2 is used to press the sleeve fitted on the printing wire toward the blade 3 to achieve cutting of the sleeve fitted on the printing wire.
[0029] Furthermore, the bottom of the pressing unit 2 in the figure is also provided with a pressure strip 21; the width of the pressure strip 21 is smaller than the width of the first groove 11; the pressing unit 2 presses down to fit the base 1, so that the pressure strip 21 is accommodated in the first groove 11, thereby facilitating the pressing of the sleeve on the printing line towards the blade 3.
[0030] Furthermore, a second groove 12 is provided on the upper part of the base 1 in the figure; the axial direction of the second groove 12 intersects the axial direction of the first groove 11; specifically, the two are perpendicular to each other in this figure; the second groove 12 is used to place wires, and the wires are cut by the blade 3.
[0031] Furthermore, a pressure block 22 is provided at the bottom of the pressing unit 2 in the figure; the pressure block 22 is used to press the wire toward the blade 3, and the pressure block 22 is used to press the wire placed in the second groove 12 toward the blade 3 to achieve the cutting of the wire.
[0032] Figure 2 This is a schematic diagram of the first embodiment of the wire sheath cutting device of this application. Figure 1 As shown in the figure, the Teflon sleeve 103 is fitted onto the printing wire 101. Both are placed in the first groove 11 of the wire sleeve cutting device 100, and then the Teflon sleeve 103 fitted onto the printing wire 101 is longitudinally cut to facilitate sleeve removal.
[0033] Figure 3 This is a schematic diagram of the first embodiment of the wire sheath cutting device of this application. Figure 2As shown in the figure, this figure further illustrates the use of the Teflon sleeve 103. When the Teflon sleeve 103 is used to isolate and heat the fusion position 102 between two sections of printing wire 101, the Teflon sleeve 103 will be sleeved on the printing wire 101 and cannot be removed. Therefore, it is necessary to put the Teflon sleeve 103 and the printing wire 101 into the first groove 11 of the wire sleeve cutting device 100 for longitudinal cutting, so as to facilitate the sleeve peeling.
[0034] Figure 4 This is a schematic diagram of the first embodiment of the wire sheath cutting device of this application. Figure 3 As shown in the figure, the printed wire 101 is placed in the second groove 12 of the wire sleeve cutting device 100, and then the printed wire 101 is cut laterally to make the wire cut surface flat, so as to facilitate wire welding.
[0035] Figure 5 This is an exploded view of a second embodiment of the wire sheath cutting device according to this application. As shown in the figure, the wire sheath cutting device includes: a base 1, a pressing unit 2, a blade 3, a shaft 4, and a torsion spring 41; wherein the upper part of the base 1 is provided with a first groove 11; the blade 3 is embedded and fixed at the bottom of the pressing unit 2 with the cutting edge facing downward and in the same axial direction as the first groove 11; one end of the pressing unit 2 has a connecting neck 23; the connecting neck 23 is located on one side of the centerline of the pressing unit 2; the pressing unit 2 is movably connected to the base 1 via the shaft 4 through the connecting neck 23; the torsion spring 41 is sleeved on the shaft 4 and is used to reset the pressing unit 2 after pressing down;
[0036] The first groove 11 is used to place the wire and the sleeve fitted on the printing wire, and the pressing unit 2 is used to press the blade 3 against the sleeve fitted on the printing wire to cut the sleeve fitted on the printing wire.
[0037] Furthermore, a second groove 12 is provided on the upper part of the base 1 in the figure; the axial direction of the second groove 12 intersects the axial direction of the first groove 11; specifically, the two are perpendicular to each other in this figure; the second groove 12 is used to place wires, and the wires are cut by the blade 3.
[0038] Figure 6 This is a schematic diagram of the second embodiment of the wire sheath cutting device of this application. As shown in the figure, the Teflon sheath 103 is sleeved on the printing wire 101. Both are placed in the first groove 11 of the wire sheath cutting device 100. Then, the blade 3 is used to longitudinally cut the Teflon sheath 103 sleeved on the printing wire 101, thereby facilitating sheath peeling.
[0039] The specific embodiments described above do not constitute a limitation on the scope of protection of this application. Those skilled in the art should understand that various modifications, combinations, sub-combinations, and substitutions can be made according to design requirements and other factors. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application should be included within the scope of protection of this application.
Claims
1. A wire sheath cutting device, used to assist in cutting the sheath fitted onto the printing wire, characterized in that, include: The base (1), pressing unit (2), and blade (3) are provided. The base (1) has a first groove (11) on its upper part. The blade (3) is fixed to the bottom of the first groove (11) with the blade facing upward. One end of the pressing unit (2) is movably connected to the base (1). The first groove (11) is used to place the wire and the sleeve fitted on the printing wire. The pressing unit (2) is used to press the sleeve fitted on the printing wire toward the blade (3) to cut the sleeve fitted on the printing wire.
2. The wire tubing cutting device according to claim 1, characterized in that, The bottom of the pressing unit (2) is provided with a pressure strip (21); the width of the pressure strip (21) is smaller than the width of the first groove (11); the pressing unit (2) presses down to fit the base (1), so that the pressure strip (21) is accommodated in the first groove (11).
3. The wire tubing cutting device according to claim 1, characterized in that, Also includes: Screw (5); the blade (3) is provided with a fixing hole (31); the side of the base (1) is also provided with a screw hole (13); the screw (5) passes through the screw hole (13) and the fixing hole (31) to fix the blade (3).
4. The wire tubing cutting device according to claim 1, characterized in that, Also includes: The second groove (12) is disposed on the upper part of the base (1); The axial direction of the second groove (12) intersects the axial direction of the first groove (11); the second groove (12) is used to place wires and cut the wires by the blade (3).
5. The wire tubing cutting device according to claim 4, characterized in that, The bottom of the pressing unit (2) is provided with a pressing block (22); the pressing block (22) is used to press the wire placed in the second groove (12) toward the blade (3) to achieve cutting of the wire.
6. A wire sheath cutting device, used to assist in cutting the sheath fitted onto the printing wire, characterized in that, include: The base (1), pressing unit (2), and blade (3) are provided; wherein the base (1) has a first groove (11) on its upper part; one end of the pressing unit (2) is movably connected to the base (1); the blade (3) is fixed to the bottom of the pressing unit (2) with the blade facing downward and in the same axial direction as the first groove (11); the first groove (11) is used to place the wire and the sleeve fitted on the printing wire, and the pressing unit (2) is used to press the blade (3) against the sleeve fitted on the printing wire to cut the sleeve fitted on the printing wire.
7. The wire tubing cutting device according to claim 6, characterized in that, Also includes: The second groove (12) is disposed on the upper part of the base (1); The axial direction of the second groove (12) intersects the axial direction of the first groove (11); the second groove (12) is used to place wires and cut the wires by the blade (3).
8. The wire tubing cutting device according to claim 1 or 6, characterized in that, Also includes: Shaft (4); one end of the pressing unit (2) is movably connected to the base (1) via shaft (4).
9. The wire tubing cutting device according to claim 8, characterized in that, Also includes: Torsion spring (41); The torsion spring (41) is sleeved on the shaft (4) and is used to reset the pressing unit (2) after it is pressed down.
10. The wire tubing cutting device according to claim 8, characterized in that, One end of the pressing unit (2) has a connecting neck (23); the connecting neck (23) is located on one side of the center line of the pressing unit (2); the pressing unit (2) is movably connected to the base (1) via the connecting neck (23) and a shaft (4).