Wire cutting device and wire stripping machine

Abstract

The present invention relates to the field of wire stripping technology, and in particular to a wire cutting device and a wire stripping machine. The wire cutting device includes a knife seat, a rotary drive mechanism, a cutter head, a feed mechanism, a buffer mechanism, and a translation drive mechanism. The knife seat includes a knife holder and a transmission rod. The knife holder is connected to the transmission rod. The rotary drive mechanism is connected to the transmission rod. The cutter head is mounted on the knife holder. There are two cutter heads, which are arranged opposite to each other. Each cutter head includes a cutter, a pressure rod, and an elastic member. The feed mechanism is slidably connected to the transmission rod. The feed mechanism abuts against one end of each pressure rod away from the cutter. The buffer mechanism is connected to the feed mechanism, and the translation drive mechanism is connected to the buffer mechanism. The wire cutting device described in the present invention is conducive to the buffer mechanism absorbing the pressure when the feed mechanism drives the pressure rods to rotate, thereby improving the wire cutting yield of the wire cutting device. The wire stripping machine described in the present invention is conducive to avoiding the phenomenon of cutting the metal core or not cutting the plastic skin, thereby achieving the purpose of improving the wire stripping yield.

Description

Technical Field

[0001] The present invention relates to the technical field of wire stripping, in particular to a wire cutting device and a wire stripping machine. Background Art

[0002] With the development of wire stripping machines, wire cutting devices have emerged. The wire cutting device can cut into the plastic skin outside the wire and cut off the plastic skin by rotating so that the wire stripping machine can peel the plastic skin off the metal core. In traditional technology, since the cutting depth of the wire cutting device is fixed, when the wire cutting device cuts into the wire, it is easy to cut too deep or too shallow. The wire cutting device cutting too deep can easily damage the metal core, and the wire cutting device cutting too shallow can make it difficult to cut off the plastic skin, resulting in the wire stripping machine having difficulty peeling off the plastic skin. There is a problem of low wire cutting yield of the wire cutting device. Summary of the Invention

[0003] Based on this, it is necessary to provide a wire cutting device to address the problem of low wire cutting yield of the wire cutting device.

[0004] A thread cutting device, comprising:

[0005] The tool holder includes a tool rest and a transmission rod, and the tool rest is connected to the transmission rod;

[0006] A rotary drive mechanism connected to the transmission rod, the rotary drive mechanism can drive the transmission rod to rotate around the axis of the transmission rod;

[0007] The cutter head is mounted on the cutter holder. There are two cutter heads, which are arranged facing each other. Each cutter head includes a cutter, a lever assembly, and an elastic member. The cutter is slidably connected to the cutter holder. The lever assembly is pivotally connected to the cutter holder. One end of the lever assembly is connected to the cutter. The elastic member is arranged between the cutter holder and the lever assembly. The elastic member drives the end of the lever assembly close to the cutter to rotate in a direction away from the axis of the transmission rod.

[0008] A feed mechanism is slidably connected to the transmission rod, the feed mechanism slides along the axis of the transmission rod, the feed mechanism abuts against an end of each lever assembly away from the cutter, and the feed mechanism can drive an end of each lever assembly close to the cutter to rotate in a direction close to the axis of the transmission rod;

[0009] a buffer mechanism connected to the feeding mechanism; and

[0010] The translation driving mechanism is connected with the buffer mechanism.

[0011] The above-mentioned wire cutting device first inserts the wire between the two cutter heads, then the rotary drive mechanism drives the transmission rod to rotate the knife holder, and at the same time, the feed mechanism moves toward the direction of each pressure rod under the drive of the buffer mechanism and the translation drive mechanism, and contacts one end of each pressure rod through the feed mechanism. By utilizing the lever principle, the other end of each pressure rod is forced to rotate toward the direction close to the axis of the transmission rod, and the elastic member and the cutter are squeezed by the pressure rod. The elastic member is compressed and the cutter moves toward the direction close to the axis of the transmission rod, so that each cutter contacts the wire and cuts into the plastic skin. Since the hardness of the metal core is stronger than the hardness of the plastic skin, when the cutter contacts the metal core, the pressure of the cutter contacting the metal core is transmitted to the feed mechanism through the pressure rod, and then to the buffer mechanism by the feed mechanism. The pressure of the cutter contacting the metal core is absorbed by the buffer mechanism, thereby achieving the purpose of cutting the plastic skin on the wire while preventing the cutter from pressing into the metal core and protecting the metal core from damage. Through the above design, the feed mechanism can drive the end of each pressure rod close to the cutter to rotate in the direction close to the axis of the transmission rod. The way in which the buffer mechanism is connected to the feed mechanism is conducive to the buffer mechanism absorbing the pressure when the feed mechanism drives the pressure rods to rotate. Since the hardness of the metal core is stronger than the hardness of the plastic surface, the buffer mechanism absorbs the contact pressure between the cutter and the metal core, thereby preventing the cutter from pressing into the metal core, achieving the purpose of cutting the plastic surface on the wire while avoiding damage to the metal core, thereby achieving the purpose of improving the wire cutting yield of the wire cutting device.

[0012] In one embodiment, the feed mechanism includes a circular table and a follower assembly. The circular table has an inclined surface that abuts the lever assembly. One end of the follower assembly is connected to the circular table, and the other end of the follower assembly is connected to the buffer mechanism. The circular table having an inclined surface that abuts the pressure rod facilitates the circular table controlling the pressure rod to gradually drive the cutter into the wire, facilitating the cutter's gradual penetration into the wire's plastic sheath, thereby improving the cutting stability of the cutter head.

[0013] In one embodiment, the lever assembly includes a pressure rod and a pulley. The pressure rod is pivotally connected to the blade holder, with one end of the pressure rod connected to the cutter and the other end connected to the pulley. The pulley abuts against the inclined surface. The pulley abutting against the inclined surface reduces wear on the inclined surface caused by the lever assembly, thereby increasing the service life of the inclined surface.

[0014] In one embodiment, the buffer mechanism includes a blocking member, an adapter and a buffer member. The blocking member is connected to the follower assembly, the adapter and the blocking member are spaced apart, and one end of the adapter is rotationally connected to the follower assembly, the other end of the adapter is connected to the translation drive mechanism, and the buffer member is arranged between the blocking member and the adapter. The blocking member is a retaining spring, the adapter is a bearing seat, and the buffer member is a spring. The method of rotationally connecting one end of the adapter to the follower assembly facilitates the follower assembly to rotate with the transmission rod, avoids friction between the round table connected to the follower assembly and the pressure rod, and achieves the purpose of improving the service life of the round table. The method of arranging the stopper on the side of the adapter away from the buffer member facilitates preventing the follower assembly from sliding out of the adapter, and achieves the purpose of improving the installation stability of the adapter.

[0015] In one embodiment, the buffer mechanism further includes a stopper connected to the follower assembly and disposed on a side of the adapter away from the buffer. This arrangement prevents the follower assembly from sliding out of the adapter, thereby enhancing the adapter's secure installation.

[0016] In one embodiment, the transmission rod is provided with a limiting hole and a sliding hole, the limiting hole communicating with the sliding hole, and the follower assembly including a limiting block and a follower rod. The limiting block is slidably disposed within the limiting hole, one end of the limiting block being connected to the truncated cone, and the other end of the limiting block being connected to the follower rod. The follower rod is slidably disposed within the sliding hole, and the follower rod is connected to the buffer mechanism. The method of slidably disposing the limiting block within the limiting hole and the follower rod within the sliding hole facilitates installation of the follower assembly within the transmission rod, thereby achieving the purpose of improving the installation stability of the follower assembly.

[0017] In one embodiment, the follower assembly further includes a connecting rod connected to the truncated table, the stop block, and the follower rod. The connecting rod, connected to the truncated table, the stop block, and the follower rod, facilitates assembly of the truncated table, the stop block, and the follower rod via the connecting rod, thereby improving assembly efficiency of the follower assembly.

[0018] In one embodiment, the cutter is provided with a receiving groove, and one end of the lever assembly is inserted into the receiving groove. The insertion of one end of the pressure rod into the receiving groove facilitates the assembly of the pressure rod and the cutter, thereby improving the assembly efficiency of the cutter.

[0019] In one embodiment, the rotary drive mechanism includes a fixed base, a first synchronous pulley, a second synchronous pulley, a synchronous belt, and a rotary drive member. The fixed base is rotationally connected to the transmission rod, the first synchronous pulley is connected to the transmission rod, the second synchronous pulley is connected to the rotary drive member, and the synchronous belt is drivingly connected to the first and second synchronous pulleys. The rotational connection between the fixed base and the transmission rod facilitates supporting the transmission rod through the fixed base and guiding its rotation, thereby increasing the supporting force of the transmission rod and improving the support stability and rotational accuracy of the transmission rod.

[0020] A wire stripping machine comprises a displacement device, a wire clamping device and the above-mentioned wire cutting device. The displacement device is connected to the wire cutting device to drive the wire cutting device to approach or move away from the wire clamping device.

[0021] The above-mentioned wire stripping machine first fixes the wire through the wire clamping device, then cuts off the plastic coating of the wire through the wire cutting device, and then uses the displacement device to control the wire cutting device to move away from the wire clamping device to achieve wire stripping. Through the above-mentioned design, the displacement device is connected to the wire cutting device to drive the wire cutting device to move closer to or away from the wire clamping device. This is conducive to the wire clamping device fixing the wire and then cutting off the plastic coating of the wire through the above-mentioned wire cutting device. Finally, the displacement device controls the wire cutting device to move away from the wire clamping device. This is conducive to the wire cutting device cutting off the plastic coating of the wire and then peeling off the cut plastic coating from the metal core, avoiding the phenomenon of cutting off the metal core or not cutting off the plastic coating, thereby reducing damage to the wire during stripping and achieving the purpose of improving the wire stripping yield. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 Schematic diagram of the structure of the tangent device shown in the first embodiment of the present invention;

[0023] Figure 2 for Figure 1 A schematic cross-sectional view of the tangent device shown;

[0024] Figure 3 for Figure 2 An enlarged schematic diagram of part A of the tangent device is shown;

[0025] Figure 4 for Figure 2 An enlarged schematic diagram of part B of the tangent device is shown;

[0026] Figure 5 This is a structural diagram of a wire stripping machine shown in Example 2 of the present invention.

[0027] The meanings of the numbers in the accompanying drawings are:

[0028] 100. Thread cutting device;

[0029] 10. Knife seat; 11. Knife holder; 12. Transmission rod; 121. Limiting hole; 122. Sliding hole;

[0030] 20. Rotary drive mechanism; 21. Fixed seat; 22. First synchronous wheel; 23. Second synchronous wheel; 24. Synchronous belt; 25. Rotary drive member;

[0031] 30. Cutter head; 31. Cutter; 311. Receiving groove; 32. Lever assembly; 321. Press rod; 322. Pulley; 33. Elastic member;

[0032] 40. Feed mechanism; 41. Round table; 411. Inclined surface; 42. Follower assembly; 421. Limit block; 422. Follower rod; 423. Connecting rod;

[0033] 50. Buffer mechanism; 51. Blocking member; 52. Adapter; 53. Buffer member; 54. Stop member;

[0034] 60. Translation drive mechanism;

[0035] 200, wire stripping machine;

[0036] 201. displacement device;

[0037] 202. Wire clamping device. DETAILED DESCRIPTION

[0038] To make the above-mentioned objects, features, and advantages of the present invention more readily apparent, specific embodiments of the present invention are described in detail below with reference to the accompanying drawings. The following description sets forth numerous specific details to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways than those described herein, and those skilled in the art may make similar modifications without departing from the scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0039] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0040] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0041] In the present invention, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediate medium; internal communication between two components, or interaction between two components, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0042] In the present invention, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediary. Furthermore, when a first feature is "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0043] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only implementation methods.

[0044] like Figures 1 to 4 As shown, it is the wire cutting device 100 shown in the first embodiment of the present invention.

[0045] like Figures 1 to 4As shown, the wire cutting device 100 includes a cutter holder 10, a rotary drive mechanism 20, a cutter head 30, a feed mechanism 40, a buffer mechanism 50, and a translation drive mechanism 60. The cutter holder 10 is used to mount the cutter head 30, the rotary drive mechanism 20 is used to drive the cutter head 30 to rotate, the feed mechanism 40 is used to drive the cutter head 30 to cut into the plastic sheath of the wire, the buffer mechanism 50 is used to establish a buffer zone between the feed mechanism 40 and the translation drive mechanism 60 to prevent the translation drive mechanism 60 from rigidly contacting the feed mechanism 40, and the translation drive mechanism 60 is used to drive the feed mechanism 40 to squeeze the cutter head 30 so that the cutter head 30 cuts through the plastic sheath. The buffer mechanism 50 connects the feed mechanism 40 and the translation drive mechanism 60 to avoid a rigid connection between the translation drive mechanism 60 and the feed mechanism 40. This facilitates cutting the plastic sheath of the wire while avoiding damage to the metal core, thereby improving the wire cutting yield of the wire cutting device 100.

[0046] Below, combined Figures 1 to 4 , the above-mentioned cutting device 100 is further explained.

[0047] For example, in order to cut off the plastic skin on the wire while avoiding damaging the metal core, Figures 1 to 2 As shown, the tool holder 10 includes a tool holder 11 and a transmission rod 12, the tool holder 11 is connected to the transmission rod 12, the rotation drive mechanism 20 is connected to the transmission rod 12, the rotation drive mechanism 20 can drive the transmission rod 12 to rotate around the axis of the transmission rod 12, and the cutter head 30 is mounted on the tool holder 11. There are two cutter heads 30, and the two cutter heads 30 are arranged facing each other. Each cutter head 30 includes a cutter 31, a lever assembly 32 and an elastic member 33. The cutter 31 is slidably connected to the tool holder 11, the lever assembly 32 is pivotally connected to the tool holder 11, one end of the lever assembly 32 is connected to the cutter 31, and the elastic member 33 is arranged at Between the tool holder 11 and the lever assembly 32, an elastic member 33 drives the end of the lever assembly 32 closest to the cutter 31 to rotate in a direction away from the axis of the transmission rod 12. A feed mechanism 40 is slidably connected to the transmission rod 12, sliding along the axis of the transmission rod 12. The feed mechanism 40 abuts against the end of each lever assembly 32 away from the cutter 31, driving the end of each lever assembly 32 closest to the cutter 31 to rotate in a direction closer to the axis of the transmission rod 12. A buffer mechanism 50 is connected to the feed mechanism 40, and a translation drive mechanism 60 is connected to the buffer mechanism 50. The elastic member 33 is a spring.

[0048] For example, in order to improve the cutting stability of the cutter head 30, as Figure 3As shown, the feed mechanism 40 includes a circular table 41 and a follower assembly 42. The circular table 41 has an inclined surface 411 that abuts the lever assembly 32. One end of the follower assembly 42 is connected to the circular table 41, and the other end of the follower assembly 42 is connected to the buffer mechanism 50. The circular table 41 has an inclined surface 411 and the inclined surface 411 abuts the lever assembly 32. This facilitates the circular table 41 to control the lever assembly 32 to gradually drive the cutter 31 into the wire, facilitating the cutter 31 to gradually penetrate the plastic sheath of the wire, thereby improving the cutting stability of the cutter head 30.

[0049] For example, in order to improve the service life of the inclined surface 411, as Figure 3 As shown, the lever assembly 32 includes a pressure rod 321 and a pulley 322. The pressure rod 321 is pivotally connected to the blade holder 11, with one end of the pressure rod 321 connected to the cutter 31 and the other end of the pressure rod 321 connected to the pulley 322. The pulley 322 abuts against the inclined surface 411. The abutment between the pulley 322 and the inclined surface 411 helps reduce wear on the inclined surface 411 caused by the lever assembly 32, thereby increasing the service life of the inclined surface 411.

[0050] For example, in order to improve the service life of the truncated table 41, Figure 2 and Figure 4 As shown, the buffer mechanism 50 includes a blocking member 51, an adapter 52, and a buffer 53. The blocking member 51 is connected to the follower assembly 42. The adapter 52 is spaced apart from the blocking member 51. One end of the adapter 52 is rotationally connected to the follower assembly 42, and the other end of the adapter 52 is connected to the translation drive mechanism 60. The buffer 53 is disposed between the blocking member 51 and the adapter 52. In this embodiment, the blocking member 51 is a retaining spring, the adapter 52 is a bearing seat, and the buffer 53 is a spring. The translation drive mechanism 60 is a screw motor, and the translation drive mechanism 60 is connected to the adapter 52 to drive the adapter 52 to move. The rotational connection of one end of the adapter 52 to the follower assembly 42 facilitates the follower assembly 42 to rotate with the transmission rod 12, preventing friction between the round table 41 connected to the follower assembly 42 and the lever assembly 32, thereby increasing the service life of the round table 41.

[0051] For example, in order to improve the installation stability of the adapter 52, as shown in FIG. Figure 4 As shown, the buffer mechanism 50 further includes a stopper 54 connected to the follower assembly 42 and disposed on a side of the adapter 52 away from the buffer 53. Disposing the stopper 54 on a side of the adapter 52 away from the buffer 53 helps prevent the follower assembly 42 from sliding off the adapter 52, thereby enhancing the installation stability of the adapter 52.

[0052] For example, in order to improve the installation stability of the follower assembly 42, as Figure 3As shown, the transmission rod 12 is provided with a limiting hole 121 and a sliding hole 122, the limiting hole 121 being in communication with the sliding hole 122, and the follower assembly 42 including a limiting block 421 and a follower rod 422. The limiting block 421 is slidably disposed in the limiting hole 121, one end of the limiting block 421 is connected to the round table 41, and the other end of the limiting block 421 is connected to the follower rod 422, the follower rod 422 is slidably disposed in the sliding hole 122, and the follower rod 422 is connected to the buffer mechanism 50. The manner in which the limiting block 421 is slidably disposed in the limiting hole 121 and the follower rod 422 is slidably disposed in the sliding hole 122 facilitates the installation of the follower assembly 42 in the transmission rod 12, thereby achieving the purpose of improving the installation stability of the follower assembly 42.

[0053] For example, in order to improve the assembly efficiency of the follower assembly 42, as Figure 3 As shown, the follower assembly 42 further includes a connecting rod 423, which is connected to the truncated platform 41, the stop block 421, and the follower rod 422. The connecting rod 423 is connected to the truncated platform 41, the stop block 421, and the follower rod 422, which facilitates the assembly of the truncated platform 41, the stop block 421, and the follower rod 422 via the connecting rod 423, thereby improving the assembly efficiency of the follower assembly 42.

[0054] For example, in order to improve the assembly efficiency of the cutter 31, as Figure 3 As shown, the cutter 31 is provided with a receiving groove 311, and one end of the lever assembly 32 is inserted into the receiving groove 311. The insertion of one end of the lever assembly 32 into the receiving groove 311 facilitates the assembly of the lever assembly 32 and the cutter 31, thereby improving the assembly efficiency of the cutter 31.

[0055] For example, in order to improve the support stability and rotation accuracy of the transmission rod 12, Figures 1 to 2 As shown, the rotary drive mechanism 20 includes a fixed base 21, a first synchronous pulley 22, a second synchronous pulley 23, a synchronous belt 24, and a rotary drive member 25. The fixed base 21 is rotationally connected to the transmission rod 12, the first synchronous pulley 22 is connected to the transmission rod 12, the second synchronous pulley 23 is connected to the rotary drive member 25, and the synchronous belt 24 is drivingly connected to the first synchronous pulley 22 and the second synchronous pulley 23. The rotary drive member 25 is a stepping motor, a servo motor, or a speed-regulating motor. The rotational connection between the fixed base 21 and the transmission rod 12 facilitates supporting the transmission rod 12 through the fixed base 21 and guiding its rotation, thereby increasing the supporting force of the transmission rod 12 and improving the support stability and rotation accuracy of the transmission rod 12.

[0056] The working principle of the wire cutting device 100 shown in the present invention is as follows: first, the wire is inserted between the two cutting heads 30, and then the rotary drive mechanism 20 drives the transmission rod 12 to drive the knife holder 11 to rotate. At the same time, the feed mechanism 40 moves toward the direction of each lever assembly 32 under the drive of the buffer mechanism 50 and the translation drive mechanism 60. The feed mechanism 40 contacts one end of each lever assembly 32 and uses the lever principle to force the other end of each lever assembly 32 to rotate toward the direction close to the axis of the transmission rod 12. The lever assembly 32 is used to squeeze the elastic member 33 and the cutter 31, and the elastic member 33 is elastically pressed. The component 33 is compressed, and the cutter 31 moves toward the axis of the transmission rod 12, so that each cutter 31 contacts the wire and cuts into the plastic skin. Since the hardness of the metal core is stronger than the hardness of the plastic skin, when the cutter 31 contacts the metal core, the pressure of the contact between the cutter 31 and the metal core is transmitted to the feed mechanism 40 through the lever assembly 32, and then transmitted to the buffer mechanism 50 by the feed mechanism 40. The buffer mechanism 50 absorbs the pressure of the contact between the cutter 31 and the metal core, thereby cutting off the plastic skin on the wire and preventing the cutter 31 from pressing into the metal core, protecting the metal core from damage.

[0057] The beneficial effects of the wire cutting device 100 shown in the present invention are as follows: the feed mechanism 40 is used to drive the end of each lever assembly 32 close to the cutter 31 to rotate in the direction close to the axis of the transmission rod 12. The way in which the buffer mechanism 50 is connected to the feed mechanism 40 is conducive to the buffer mechanism 50 absorbing the pressure when the feed mechanism 40 drives the lever assemblies 32 to rotate. Since the hardness of the metal core is stronger than the hardness of the plastic surface, the buffer mechanism 50 absorbs the contact pressure between the cutter 31 and the metal core, thereby preventing the cutter 31 from pressing into the metal core, thereby achieving the purpose of cutting the plastic surface on the wire while avoiding damage to the metal core, thereby achieving the purpose of improving the wire cutting yield of the wire cutting device 100.

[0058] like Figure 5 As shown, the present invention also provides a wire stripping machine 200.

[0059] The wire stripping machine 200 includes a displacement device 201 , a wire clamping device 202 , and the aforementioned wire cutting device 100 . The displacement device 201 is connected to the wire cutting device 100 to drive the wire cutting device 100 to move closer to or away from the wire clamping device 202 .

[0060] The working principle of the wire stripping machine 200 shown in the present invention is as follows: the wire is fixed by the wire clamping device 202, and then the plastic coating of the wire is cut by the wire cutting device 100. Then, the wire cutting device 100 is controlled by the displacement device 201 to move away from the wire clamping device 202 to achieve wire stripping. The displacement device 201 is connected to the wire cutting device 100 to drive the wire cutting device 100 to move closer to or away from the wire clamping device 202. This facilitates the wire clamping device 202 to fix the wire and then cut the plastic coating of the wire by the wire cutting device 100. Finally, the displacement device 201 controls the wire cutting device 100 to move away from the wire clamping device 202. This facilitates the wire cutting device 100 to cut the plastic coating of the wire and then peel the cut plastic coating off the metal core, avoiding the phenomenon of cutting the metal core or not cutting the plastic coating, thereby reducing damage to the wire during stripping and achieving the purpose of improving the wire stripping yield.

[0061] The technical features of the above-mentioned embodiments can be combined arbitrarily. In order to make the description concise, not all possible combinations of the technical features in the above-mentioned embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0062] The above-described embodiments merely illustrate several implementations of the present invention, and while their descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent. It should be noted that a person skilled in the art would be able to make numerous variations and improvements without departing from the spirit of the present invention, all of which fall within the scope of protection of the present invention. Therefore, the scope of protection of the patent for this invention shall be determined by the appended claims.

Claims

1. A thread cutting device, characterized in that: include: A tool holder, comprising a tool rest and a transmission rod, wherein the tool rest is connected to the transmission rod; a rotary drive mechanism connected to the transmission rod, and capable of driving the transmission rod to rotate around the axis of the transmission rod; A cutter head, the cutter head being mounted on the cutter holder, the number of the cutter heads being two, the two cutter heads being arranged facing each other, each cutter head comprising a cutter, a lever assembly and an elastic member, the cutter being slidably connected to the cutter holder, the lever assembly being pivotally connected to the cutter holder, one end of the lever assembly being connected to the cutter, the elastic member being arranged between the cutter holder and the lever assembly, the elastic member driving the end of the lever assembly close to the cutter to rotate in a direction away from the axis of the transmission rod; A feeding mechanism, the feeding mechanism being slidably connected to the transmission rod, the feeding mechanism sliding along the axis of the transmission rod, the feeding mechanism abutting against an end of each lever assembly away from the cutter, and the feeding mechanism being capable of driving an end of each lever assembly close to the cutter to rotate in a direction close to the axis of the transmission rod; a buffer mechanism connected to the feeding mechanism; and A translation drive mechanism, wherein the translation drive mechanism is connected to the buffer mechanism; the feed mechanism includes a circular table and a follower assembly, the circular table has an inclined surface, the inclined surface abuts the lever assembly, one end of the follower assembly is connected to the circular table, and the other end of the follower assembly is connected to the buffer mechanism; the transmission rod is provided with a limiting hole and a sliding hole, the limiting hole is connected to the sliding hole, and the follower assembly includes a limiting block and a follower rod, the limiting block is slidably arranged in the limiting hole, one end of the limiting block is connected to the circular table, and the other end of the limiting block is connected to the follower rod, the follower rod is slidably arranged in the sliding hole, and the follower rod is connected to the buffer mechanism; the follower assembly also includes a connecting rod, which is connected to the circular table, the limiting block and the follower rod.

2. The thread cutting device according to claim 1, characterized in that The lever assembly includes a pressure rod and a pulley. The pressure rod is pivotally connected to the knife holder, and one end of the pressure rod is connected to the cutter. The other end of the pressure rod is connected to the pulley, and the pulley abuts against the inclined surface.

3. The thread cutting device according to claim 1, characterized in that The buffer mechanism includes a blocking member, an adapter and a buffer member, the blocking member is connected to the follower assembly, the adapter and the blocking member are spaced apart, and one end of the adapter is rotationally connected to the follower assembly, the other end of the adapter is connected to the translation drive mechanism, and the buffer member is arranged between the blocking member and the adapter.

4. The thread cutting device according to claim 3, characterized in that: The buffer mechanism further includes a stopper connected to the follower assembly, and the stopper is arranged on a side of the adapter away from the buffer.

5. The thread cutting device according to claim 1, characterized in that The cutter is provided with a receiving groove, and one end of the lever assembly is inserted into the receiving groove.

6. The thread cutting device according to claim 1, characterized in that The rotary drive mechanism includes a fixed seat, a first synchronous wheel, a second synchronous wheel, a synchronous belt and a rotary drive member. The fixed seat is rotatably connected to the transmission rod, the first synchronous wheel is connected to the transmission rod, the second synchronous wheel is connected to the rotary drive member, and the synchronous belt is transmission-connected to the first synchronous wheel and the second synchronous wheel.

7. A wire stripping machine, characterized in that: It comprises a displacement device, a wire clamping device, and a wire cutting device according to any one of claims 1 to 6, wherein the displacement device is connected to the wire cutting device to drive the wire cutting device to approach or move away from the wire clamping device.

Images