CN113380472B - Twisted wire decomposition and reuse device - Google Patents
Twisted wire decomposition and reuse device Download PDFInfo
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- CN113380472B CN113380472B CN202110649417.0A CN202110649417A CN113380472B CN 113380472 B CN113380472 B CN 113380472B CN 202110649417 A CN202110649417 A CN 202110649417A CN 113380472 B CN113380472 B CN 113380472B
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- stranded wire
- rigid ring
- elastic strip
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B15/00—Apparatus or processes for salvaging material from cables
- H01B15/005—Apparatus or processes for salvaging material from cables by cutting
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/82—Recycling of waste of electrical or electronic equipment [WEEE]
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Abstract
The invention relates to the field of stranded wire recovery, in particular to a stranded wire decomposition and recycling device. The waste twisted electric wires are decomposed again and then are recycled, firstly, metal wire cores inside the twisted wires need to be separated from external rubber, most of the existing twisted electric wires are manually separated, and the operation is complicated and the efficiency is low; according to the rubber stripping device, the rubber is firstly stripped by the cutting knife and then the metal wire core is stripped from the rubber, when hardening or bulging occurs in the rubber stripping process, the telescopic frame drives the cutting knife to deviate so as to avoid the cutting knife from moving to a position with large cutting resistance, the service life of the tool bit is prolonged, meanwhile, inconvenience of subsequent separation of the wire core and the rubber caused by tearing off the stranded wire is prevented, and further the efficiency of decomposition and reutilization of stranded wires is ensured.
Description
Technical Field
The invention relates to the field of stranded wire recovery, in particular to a stranded wire decomposition and recycling device.
Background
With the popularization of electronic and electric products, a large amount of waste twisted electric wires are generated every year, and the waste twisted electric wires contain a large amount of metals, so that the waste twisted electric wires have great social significance and economic value for decomposition and recycling.
The stranded wire is decomposed and is recycled and need at first peel off the outside rubber of inside metal sinle silk at first, peels off and mainly goes on through the manual work, and separation efficiency is low, and runs into stranded wire outside rubber sclerosis or swell and peels off comparatively hard, needs a stranded wire that can adapt to old and useless stranded wire sclerosis or swell to decompose recycling device urgently.
Disclosure of Invention
The invention provides a stranded wire decomposition and recycling device, which aims to solve the problem that the stripping difficulty is increased due to rubber hardening or bulging when a stranded wire core and outer rubber are stripped.
The invention discloses a twisted wire decomposition and recycling device, which adopts the following technical scheme:
a twisted wire decomposition and reuse device comprises a base, a driving mechanism and a traction mechanism, wherein the driving mechanism is arranged on the base; the cutting device also comprises an expansion bracket and a plurality of cutting knives; the telescopic frame is rotatably arranged on the base, the driving mechanism drives the telescopic frame to rotate, the traction mechanism pulls the stranded wire to pass through the telescopic frame to translate to one side of the telescopic frame, the telescopic frame comprises a first rigid ring, a second rigid ring and an elastic strip, the first rigid ring and the second rigid ring are coaxially arranged, the first rigid ring is positioned on the front side of the second rigid ring along the advancing direction of the stranded wire, the elastic strip is obliquely and fixedly arranged between the first rigid ring and the second rigid ring and is arched inwards, and a plane where the elastic strip is positioned and the axis of the telescopic frame form a certain included angle; a plurality of cutting knives are uniformly distributed along the circumferential direction of the telescopic frame; each cutting knife penetrates through the middle part of the elastic strip and is rotationally connected with the elastic strip so as to cut the rubber on the outer side of the elastic strip in a sliding manner along the spiral direction of the corresponding single-stranded wire of the stranded wire when the expansion bracket rotates and the stranded wire moves; the bullet strip is configured into and moves when the cutting resistance increases to make the cutting knife move right under the drive of stranded conductor, and the middle part is driven by the cutting knife and is removed the certain distance along the helical direction of stranded conductor, produces deformation, and then drives one side skew of cutting knife to the target spiral cut line of single strand wires to make the cutting knife cross the position that the resistance is bigger.
The cutter comprises a rod body and a cutter head, and the cutter head is positioned at the inner end of the rod body; one side of the elastic strip close to the first rigid ring is provided with a guide groove and penetrates through the elastic strip along the radial direction of the telescopic frame, the elastic strip is also provided with a limit groove positioned at one end of the guide groove far away from the first rigid ring, the limit groove is communicated with the guide groove, the diameter of the limit groove is greater than the width of the guide groove, a trigger column vertical to the rod body is fixedly arranged on the rod body, and the rod body penetrates through the limit groove; the trigger column can be arranged in the limiting groove in a separated and rotating mode, so that the elastic strip rotates relative to the limiting groove when being deformed by the cutting knife, and the elastic strip can be separated from the limiting groove to enter the guide groove when the deformation reaches preset deformation, and then the cutting resistance is increased to a certain degree so that the deformation of the elastic strip caused by the cutting knife is larger than or equal to the preset deformation, the stranded wire drives the cutting knife to be separated from the limiting groove to enter the guide groove, and the elastic strip slides for a certain distance in the guide groove along the spiral direction of the stranded wire, so that the elastic strip is further deformed until the elastic strip restores partial deformation, and the cutting knife is driven to deviate towards the other side of the target spiral cutting line of the single-stranded wire.
Further, the device also comprises a sliding frame; the sliding frame comprises a mounting ring and a limiting table, the mounting ring and the telescopic frame are coaxially arranged and are positioned between the first rigid ring and the second rigid ring, the limiting table extends from the mounting ring to the first rigid ring, and a limiting track is arranged on the inner side of the limiting table; the outer end of the rod body is provided with a limiting square platform, the limiting square platform is in sliding fit with the limiting track, and a reset spring is arranged in the limiting track to support the limiting square platform at the left end of the limiting track so as to compress and store force when the cutting knife slides for a certain distance in the guide groove along the spiral direction of the stranded wire, and then the cutting knife is reset to enter the limiting groove.
The sliding frame further comprises a cover plate, the cover plate extends from one side of the mounting ring to the second rigid ring and is attached to the outer side of the second rigid ring; the left end of the cover plate is provided with a stop arm matched with the second rigid ring so as to allow the sliding frame to move rightwards along with the cutting knife when the triggering column is in the limiting groove and limit the sliding frame to move rightwards when the triggering column is separated from the limiting groove.
Further, the contained angle of bullet strip place plane and expansion bracket axis is greater than the stranded conductor helix angle to when the screw direction of the stranded conductor removes the certain distance in bullet strip middle part or after the body of rod slides in the guiding groove along stranded conductor screw direction, make the contained angle of bullet strip place plane and expansion bracket axis diminish and draw close to the stranded conductor helix angle, and then make the contained angle of bullet strip place plane and expansion bracket axis be greater than the stranded conductor helix angle all the time.
Furthermore, the driving mechanism comprises a motor, a transmission gear, a telescopic frame gear and a connecting table; the base comprises a sliding support, a rotating support and a motor support; the telescopic frame can rotate and slide in the sliding support; the telescopic rack gear can rotate in the rotating support, and the connecting table is positioned between the second rigid ring and the telescopic rack gear so as to fixedly connect the second rigid ring and the telescopic rack gear; the motor is fixedly arranged on the motor support, and the transmission gear is fixedly arranged at the output end of the motor and is in meshing transmission with the gear of the expansion bracket.
Furthermore, the cross section of the limiting track is T-shaped, the track part along the circumferential direction of the telescopic frame is in sliding fit with the limiting square platform, and a gap is reserved, so that the cutter head can deflect for a certain angle relative to the limiting track, and the advancing direction of the cutter head is changed.
Further, the rotating support comprises a C-shaped frame and a rotating groove, the rotating groove is located on the inner side of the C-shaped frame and is in rotating fit with the gear wheel of the expansion bracket, and the opening of the C-shaped frame faces one side of the transmission gear.
Furthermore, the limiting groove is internally provided with a stabilizing table for extending the rod body along the radial direction, so that the contact area between the elastic strip and the cutting knife is kept the maximum.
The invention has the beneficial effects that: when the stranded wire decomposition and recycling device cuts off rubber on the outer side of a stranded wire, the cutter head is driven to deviate towards one side of the axis of the single-stranded wire according to the increasing resistance of the rubber, if the rubber resistance is increased after the deviation, the cutter head deviates towards the other side of the axis of the single-stranded wire after reaching a certain critical value, the cutting towards the position with the maximum central resistance of bulging or hardening is avoided, the service life of the cutter head is prolonged, and the cut stranded wire is prevented from being broken by the traction mechanism to cause inconvenient recovery.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of an overall structure of an embodiment of a stranded wire decomposition and recycling device according to the present invention;
FIG. 2 is a schematic view of the base of the stranded wire decomposition and reuse apparatus according to the embodiment of the present invention;
FIG. 3 is a schematic structural view of a retractable frame, a cutter and a twisted wire in a normal working state in an embodiment of the stranded wire decomposition and reuse apparatus of the present invention;
FIG. 4 is a partial enlarged view A of FIG. 3;
FIG. 5 is a perspective view of the telescoping boom of FIG. 1;
FIG. 6 is a partial enlarged view B of FIG. 5;
FIG. 7 is a perspective view of the carriage of FIG. 1;
FIG. 8 is a partial enlarged view C of FIG. 7;
FIG. 9 is a schematic view of the cutting blade and the sliding rack of the embodiment of the stranded wire recycling apparatus of the present invention;
FIG. 10 is a perspective view of the cutting blade of FIG. 1;
FIG. 11 is a perspective view of the rotating bracket of FIG. 1;
in the figure: 1. stranding; 2. a telescopic frame; 201. a first rigid ring; 202. a spring bar; 203. a second rigid ring; 204. a telescoping rack gear; 205. a connecting table; 206. a stabilization stage; 207. a guide groove; 208. a limiting groove; 3. a carriage; 301. a mounting ring; 302. a limiting table; 303. a return spring; 304. a cover plate; 305. a limiting track; 306. a slip gap; 307. a blocking arm; 4. a cutting knife; 401. a cutter head; 402. a triggering post; 403. a rod body; 404. a limiting square table; 5. a transmission gear; 6. a motor; 7. a sliding support; 8. rotating the bracket; 801. a C-shaped frame; 802. a rotating groove; 9. a motor support.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
The embodiment of the stranded wire decomposition and reuse device comprises a base, a driving mechanism and a traction mechanism, wherein the driving mechanism is arranged on the base; the cutting device also comprises an expansion bracket 2 and a plurality of cutting knives 4; the telescopic frame 2 is rotatably arranged on the base, the driving mechanism drives the telescopic frame 2 to rotate, the traction mechanism pulls the stranded wire 1 to pass through the telescopic frame 2 to translate towards one side of the telescopic frame 2, the telescopic frame 2 comprises a first rigid ring 201, a second rigid ring 203 and an elastic strip 202, the first rigid ring 201 and the second rigid ring 203 are coaxially arranged, the first rigid ring 201 is positioned on the front side of the second rigid ring 203 along the advancing direction of the stranded wire 1, the elastic strip 202 is obliquely and fixedly arranged between the first rigid ring 201 and the second rigid ring 203 and is arched inwards, and a certain included angle is formed between the plane of the elastic strip 202 and the axis of the telescopic frame 2; a plurality of cutting knives 4 are uniformly distributed along the circumferential direction of the telescopic frame 2; each cutting knife 4 penetrates through the middle part of the elastic strip 202 and is rotatably connected with the elastic strip 202 so as to cut rubber on the outer side of the elastic strip in a sliding manner along the spiral direction of a corresponding single strand of the stranded wire 1 when the telescopic frame 2 rotates and the stranded wire 1 moves; the elastic strip 202 is configured to move rightwards under the drive of the stranded wire 1 when the cutting resistance increasing cutting knife 4 moves rightwards, the middle part is driven by the cutting knife 4 to move for a certain distance along the spiral direction of the stranded wire 1, deformation is generated, and then the cutting knife 4 is driven to offset towards one side of the target spiral cutting line of the single stranded wire, so that the cutting knife 4 crosses a position with larger resistance. Wherein, the rotation direction of the elastic strip 202 and the rotation direction of the stranded wire 1 are both right-handed.
In this embodiment, as shown in fig. 10, the cutting blade 4 includes a rod 403 and a cutter head 401, the cutter head 401 is located at the inner end of the rod 403; a guide groove 207 is formed in one side, close to the first rigid ring 201, of the elastic strip 202 and penetrates through the elastic strip 202 along the radial direction of the telescopic frame 2, a limiting groove 208 is further formed in the elastic strip 202 and located at one end, far away from the first rigid ring 201, of the guide groove 207, the limiting groove 208 is communicated with the guide groove 207, the diameter of the limiting groove 208 is larger than the width of the guide groove 207, a trigger column 402 perpendicular to the rod body 403 is fixedly arranged on the rod body 403, and the rod body 403 penetrates through the limiting groove 208; trigger post 402 can break away from rotationally setting in spacing groove 208, rotate for spacing groove 208 when cutting knife 4 makes bullet strip 202 produce deformation, and can break away from into guiding groove 207 from spacing groove 208 when deformation reaches to predetermine deformation, and then when cutting resistance increases to a certain extent so that cutting knife 4 makes the deformation that bullet strip 202 produced be greater than or equal to predetermine deformation, stranded conductor 1 drives cutting knife 4 and breaks away from into guiding groove 207 from spacing groove 208, and slide the certain distance in guiding groove 207 along 1 helical direction of stranded conductor, with further make bullet strip 202 produce deformation, restore partial deformation until bullet strip 202, drive cutting knife 4 to the opposite side skew of the target spiral cut line of single strand.
In the present embodiment, a carriage 3 is also included; as shown in fig. 7, the sliding frame 3 includes a mounting ring 301 and a limit block 302, the mounting ring 301 and the telescopic frame 2 are coaxially disposed and located between the first rigid ring 201 and the second rigid ring 203, the limit block 302 extends from the mounting ring 301 to the first rigid ring 201, and a limit track 305 is disposed inside the limit block 302; the outer end of the rod body 403 is provided with a limit square platform 404, the limit square platform 404 is in sliding fit with the limit track 305, and the limit track 305 is internally provided with a reset spring 303 which enables the limit square platform 404 to be abutted to the left end of the limit track 305 so as to compress and store force when the cutting knife 4 slides for a certain distance in the guide groove 207 along the spiral direction of the stranded wire 1, and then the cutting knife 4 is reset to enter the limit groove 208
In this embodiment, as shown in fig. 7, the sliding frame 3 further includes a cover plate 304, and the cover plate 304 extends from one side of the mounting ring 301 to the second rigid ring 203 and is attached to the outer side of the second rigid ring 203; the left end of the cover plate 304 is provided with a stop arm 307 which cooperates with the second rigid ring 203 to allow the carriage 3 to move to the right with the cutting blade 4 when the firing post 402 is within the restraint slot 208 and to restrict the carriage 3 from moving to the right when the firing post 402 is disengaged from the restraint slot 208. Specifically, a gap is left between the stopper arm 307 and the second rigid ring 203 in the initial state, and the stopper arm 307 and the second rigid ring 203 are tightly attached when the trigger post 402 is disengaged from the stopper groove 208.
In this embodiment, the included angle between the plane of the elastic strip 202 and the axis of the telescopic frame 2 is greater than the helical angle of the stranded wire 1, so that when the middle of the elastic strip 202 moves a certain distance along the helical direction of the stranded wire 1 or after the rod body 403 slides in the guiding groove 207 along the helical direction of the stranded wire 1, the included angle between the plane of the elastic strip 202 and the axis of the telescopic frame 2 is reduced to draw close to the helical angle of the stranded wire 1, and further the included angle between the plane of the elastic strip 202 and the axis of the telescopic frame 2 is always greater than the helical angle of the stranded wire 1.
In the present embodiment, the driving mechanism includes a motor 6, a transmission gear 5, a telescopic frame gear 204, and a connection stage 205; as shown in fig. 1, the base comprises a sliding support 7, a rotating support 8 and a motor support 9; the telescopic frame 2 can rotate and slide in the sliding support 7; the telescopic rack gear 204 can rotate in the rotating bracket 8, and the connecting table 205 is positioned between the second rigid ring 203 and the telescopic rack gear 204 so as to fixedly connect the second rigid ring 203 and the telescopic rack gear 204; the motor 6 is fixedly arranged on the motor support 9, and the transmission gear 5 is fixedly arranged at the output end of the motor 6 and is in meshed transmission with the telescopic frame gear 204. Wherein the sliding support 7, the rotating support 8 and the motor support 9 are arranged from right to left in sequence.
In this embodiment, as shown in fig. 9, the cross section of the limiting track 305 is T-shaped, and the track portion along the circumferential direction of the telescopic frame 2 is in sliding fit with the limiting square table 404 with a sliding gap 306 left, so that the cutter head 401 can deflect a certain angle relative to the limiting track 305, and further the cutter head 401 changes the advancing direction.
In the present embodiment, as shown in fig. 11, the rotating bracket 8 includes a C-shaped frame 801 and a rotating groove 802, the rotating groove 802 is located inside the C-shaped frame 801 and is rotatably engaged with the telescopic frame gear 204, and the opening of the C-shaped frame 801 faces the transmission gear 5 side.
In this embodiment, as shown in fig. 6, the stabilizing platform 206 is disposed inside the limiting groove 208 for extending the rod 403 in the radial direction, so that the contact area between the elastic strip 202 and the cutting blade 4 is kept at the maximum, and the connection between the two is more stable.
In this embodiment, the elastic coefficient at the connection between the elastic strip 202 and the first and second rigid rings 201 and 203 is small, for example, a torsion spring is used for connection, so that the elastic strip 202 is more likely to shift relative to the first and second rigid rings 201 and 203 when being stressed, and the elastic strip 202 itself is less likely to stretch or contract.
During the use, stranded conductor 1 extends from a left side to the right side and passes from a plurality of bullet strip 202 insidely, makes each strand of stranded conductor 1 and the tool bit 401 contact of a cutting knife 4, starts draw gear and draws stranded conductor 1 with invariable speed and remove from a left side to the right side, starter motor 6, drive gear 5 drive expansion bracket gear 204 and then drive whole expansion bracket 2 anticlockwise rotation, and bullet strip 202 drives cutting knife 4 around anticlockwise rotation. The included angle between the plane where the elastic strip 202 is located and the axis of the stranded wire 1 is larger than the spiral angle of the stranded wire 1 in the initial state, the resistance of rubber to the cutter head 401 is rightward along the spiral direction of the stranded wire 1, the resistance of the rubber to the cutter 4 after the device starts to work is ensured, so that the cutter 4 is fixed relative to the stranded wire 1, namely the cutter 4 is moved rightward, the middle section of the elastic strip 202 is driven to be away from the second rigid ring 203 and to rotate counterclockwise by a certain angle relative to the second rigid ring 203, the cutter head 401 is aligned with the center of the single stranded wire of the stranded wire 1 at the moment, and the included angle between the elastic strip 202 and the axis of the stranded wire 1 is reduced. Meanwhile, the limit groove 208 rotates a certain angle relative to the trigger post 402, the trigger post 402 is still located in the limit groove 208, the limit square table 404 is tightly pressed against the left side wall of the limit rail 305 under the action of the return spring 303, and the sliding frame 3 moves rightwards. The cutter head 401 of the rear cutter 4 moves relative to the strand 1 along the extension direction of the single strand of the strand 1 to cut the rubber wrapping the strand 1.
When the rubber of a strand of the stranded wire 1 is aged and bulges, the resistance of the rubber outside the stranded wire 1 to the cutter head 401 in the rightward direction of the spiral direction of the stranded wire 1 is increased, so that the cutter 4 drives the elastic strip 202 to further move for a certain distance in the spiral direction of the stranded wire 1, the middle section of the elastic strip 202 is further far away from the second rigid ring 203 and further rotates for a certain angle in the counterclockwise direction relative to the second rigid ring 203, so that the cutter head 401 deflects and cuts towards one side of the center of the single strand of the stranded wire 1, at the moment, the limit groove 208 further rotates for the trigger column 402 for a certain angle, the trigger column 402 is still located in the limit groove 208, the limit square table 404 is tightly propped against the left side wall of the limit track 305 under the action of the reset spring 303, and the sliding frame 3 further moves towards the rightward direction.
If the swell degree that the tool bit 401 met after the skew is unchangeable, the resistance that cutting knife 4 received is unchangeable, then the state after keeping the skew cuts the swell, and the resistance that back cutting knife 4 received diminishes, and bullet strip 202 resumes partial deformation, and tool bit 401 resets to the state of normal cutting, and carriage 3 moves left.
If the swelling degree that the tool bit 401 meets after the skew is more serious, resistance that the cutting knife 4 receives becomes big, make cutting knife 4 drive bullet strip 202 and further move certain distance along the helical direction of stranded conductor 1, the middle section of bullet strip 202 further keeps away from second rigid ring 203 and further rotates certain angle for second rigid ring 203 anticlockwise, thereby make tool bit 401 further squint the cutting towards the central one side of stranded conductor 1 single strand, until triggering post 402 one end and breaking away from spacing groove 208, resistance promotes tool bit 401 and drives and triggers post 402 and slide right in guide slot 207, in order to utilize guide slot 207 to promote the body of rod 403 and then drive tool bit 401 skew towards the central opposite side of stranded conductor 1 single strand, utilize the recovery deformation of bullet strip 202 to approximate along the motion direction cutting stranded conductor 1 that is perpendicular to stranded conductor 1 for the rotation of second rigid ring 203. At the moment, the stop arm 307 is tightly attached to the second rigid ring 203, the sliding frame 3 does not move rightwards any more, the limiting square table 404 slides rightwards in the limiting track 305 to extrude the return spring 303, the return spring 303 stores force, the elastic strip 202 further deforms and the included angle between the axes of the stranded wires 1 further becomes smaller in the process, and the guide groove 207 pushes the rod body 403 and the cutter head 401 towards the other side of the center of the single stranded wire of the stranded wire 1 to perform rotary cutting; after the bulge is crossed, the elastic strip 202 is deformed along the clockwise recovery part, the reset spring 303 pushes the cutting knife 4 to approach the center, the influence that the elastic strip 202 enables the cutting knife 4 to move towards the direction far away from the center can be overcome, the trigger column 402 is clamped into the limiting groove 208, the sliding frame 3 moves leftwards, and finally the cutting knife 4 returns to the normal cutting position.
After the cutting is finished, the metal wire core inside the rubber is pulled out from the notch on one side, and after the rubber and the metal wire core are separated, the wire core can be recycled after being re-smelted.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, which is intended to cover any modifications, equivalents, improvements, etc. within the spirit and scope of the present invention.
Claims (9)
1. A twisted wire decomposition and reuse device comprises a base, a driving mechanism and a traction mechanism, wherein the driving mechanism is arranged on the base; the method is characterized in that: the cutting device also comprises an expansion bracket and a plurality of cutting knives; the telescopic frame is rotatably arranged on the base, the driving mechanism drives the telescopic frame to rotate, the traction mechanism pulls the stranded wire to pass through the telescopic frame to translate to one side of the telescopic frame, the telescopic frame comprises a first rigid ring, a second rigid ring and an elastic strip, the first rigid ring and the second rigid ring are coaxially arranged, the first rigid ring is positioned on the front side of the second rigid ring along the advancing direction of the stranded wire, the elastic strip is obliquely and fixedly arranged between the first rigid ring and the second rigid ring and is arched inwards, and a plane where the elastic strip is positioned and the axis of the telescopic frame form a certain included angle; a plurality of cutting knives are uniformly distributed along the circumferential direction of the telescopic frame; each cutting knife penetrates through the middle part of the elastic strip and is rotationally connected with the elastic strip so as to cut the rubber on the outer side of the elastic strip in a sliding manner along the spiral direction of the corresponding single-stranded wire of the stranded wire when the expansion bracket rotates and the stranded wire moves; the bullet strip is configured into and moves when the cutting resistance increases to make the cutting knife move right under the drive of stranded conductor, and the middle part is driven by the cutting knife and is removed the certain distance along the helical direction of stranded conductor, produces deformation, and then drives one side skew of cutting knife to the target spiral cut line of single strand wires to make the cutting knife cross the position that the resistance is bigger.
2. The stranded wire decomposition and reuse apparatus according to claim 1, wherein: the cutter comprises a rod body and a cutter head, and the cutter head is positioned at the inner end of the rod body; one side of the elastic strip, which is close to the first rigid ring, is provided with a guide groove and penetrates through the elastic strip along the radial direction of the telescopic frame, the elastic strip is also provided with a limit groove which is positioned at one end of the guide groove, which is far away from the first rigid ring, the limit groove is communicated with the guide groove, the diameter of the limit groove is greater than the width of the guide groove, a trigger post which is vertical to the rod body is fixedly arranged on the rod body, and the rod body penetrates through the limit groove; the trigger column can be arranged in the limiting groove in a separated and rotating mode, so that the elastic strip rotates relative to the limiting groove when being deformed by the cutting knife, and the elastic strip can be separated from the limiting groove to enter the guide groove when the deformation reaches preset deformation, and then the cutting resistance is increased to a certain degree so that the deformation of the elastic strip caused by the cutting knife is larger than or equal to the preset deformation, the stranded wire drives the cutting knife to be separated from the limiting groove to enter the guide groove, and the elastic strip slides for a certain distance in the guide groove along the spiral direction of the stranded wire, so that the elastic strip is further deformed until the elastic strip restores partial deformation, and the cutting knife is driven to deviate towards the other side of the target spiral cutting line of the single-stranded wire.
3. The stranded wire decomposition and reuse apparatus according to claim 2, wherein: the device also comprises a sliding frame;
the sliding frame comprises a mounting ring and a limiting table, the mounting ring and the telescopic frame are coaxially arranged and are positioned between the first rigid ring and the second rigid ring, the limiting table extends from the mounting ring to the first rigid ring, and a limiting track is arranged on the inner side of the limiting table; the outer end of the rod body is provided with a limiting square platform, the limiting square platform is in sliding fit with the limiting track, and a reset spring is arranged in the limiting track to support the limiting square platform at the left end of the limiting track so as to compress and store force when the cutting knife slides for a certain distance in the guide groove along the spiral direction of the stranded wire, and then the cutting knife is reset to enter the limiting groove.
4. The stranded wire decomposition and reuse apparatus according to claim 3, wherein: the sliding frame also comprises a cover plate, and the cover plate extends from one side of the mounting ring to the second rigid ring and is attached to the outer side of the second rigid ring; the left end of the cover plate is provided with a stop arm matched with the second rigid ring so as to allow the sliding frame to move rightwards along with the cutting knife when the triggering column is in the limiting groove and limit the sliding frame to move rightwards when the triggering column is separated from the limiting groove.
5. The stranded wire decomposition and reuse apparatus according to claim 2, wherein: the contained angle of bullet strip place plane and expansion bracket axis is greater than stranded conductor helix angle to when the helical direction of stranded conductor removes the certain distance or after the body of rod slides in the guiding groove along stranded conductor helical direction at bullet strip middle part, make the contained angle of bullet strip place plane and expansion bracket axis diminish and draw close to stranded conductor helix angle, and then make the contained angle of bullet strip place plane and expansion bracket axis be greater than stranded conductor helix angle all the time.
6. The stranded wire decomposition and reuse apparatus according to claim 1, wherein: the driving mechanism comprises a motor, a transmission gear, a telescopic frame gear and a connecting table; the base comprises a sliding support, a rotating support and a motor support; the telescopic frame can rotate and slide in the sliding support; the telescopic rack gear can rotate in the rotating support, and the connecting table is positioned between the second rigid ring and the telescopic rack gear so as to fixedly connect the second rigid ring and the telescopic rack gear; the motor is fixedly arranged on the motor support, and the transmission gear is fixedly arranged at the output end of the motor and is in meshing transmission with the expansion bracket gear.
7. The stranded wire decomposition and reuse apparatus according to claim 3, wherein: the cross section of the limiting track is T-shaped, the track part along the circumferential direction of the telescopic frame is in sliding fit with the limiting square platform, and a sliding gap is reserved, so that the cutter head can deflect for a certain angle relative to the limiting track, and the advancing direction of the cutter head is changed.
8. The stranded wire decomposition and reuse apparatus according to claim 6, wherein: the rotating support comprises a C-shaped frame and a rotating groove, the rotating groove is positioned on the inner side of the C-shaped frame and is in rotating fit with the gear wheel of the expansion bracket, and the opening of the C-shaped frame faces one side of the transmission gear.
9. The stranded wire decomposition and reuse apparatus according to claim 2, wherein: the inner side of the limiting groove is provided with a stabilizing table for extending the rod body along the radial direction, and then the contact area of the elastic strip and the cutting knife is kept to the maximum.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110649417.0A CN113380472B (en) | 2021-06-10 | 2021-06-10 | Twisted wire decomposition and reuse device |
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| CN202110649417.0A CN113380472B (en) | 2021-06-10 | 2021-06-10 | Twisted wire decomposition and reuse device |
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| CN113380472A CN113380472A (en) | 2021-09-10 |
| CN113380472B true CN113380472B (en) | 2022-07-22 |
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| CN111755181A (en) * | 2020-06-30 | 2020-10-09 | 金茂 | Recovery plant of old and useless hank shape cable |
| CN112117709A (en) * | 2020-09-15 | 2020-12-22 | 国网山东省电力公司商河县供电公司 | Peeling device for waste cables |
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