CN115360643A

CN115360643A - High-precision cable rotary-cutting device

Info

Publication number: CN115360643A
Application number: CN202210936122.6A
Authority: CN
Inventors: 司向良
Original assignee: Jiangsu Bozhiwang Automation Equipment Co ltd
Current assignee: Jiangsu Bozhiwang Automation Equipment Co ltd
Priority date: 2022-08-05
Filing date: 2022-08-05
Publication date: 2022-11-18

Abstract

The invention relates to the technical field of cable rotary-cut devices, in particular to a high-precision cable rotary-cut device which comprises a support frame, a supporting outer pipe and a rotating head, wherein the supporting outer pipe is horizontally arranged at the top end of the support frame, the rotating head is rotatably arranged at one end of the supporting outer pipe through a first rotary driving module, a supporting inner pipe for supporting a cable is arranged inside the supporting outer pipe, a cutter module which synchronously rotates with the rotating head and has an adjustable interval is arranged on the front end surface of the rotating head, an inner clamping module for elastically clamping and positioning the cable is arranged at the center of the rotating head, an outer clamping module for clamping the cable is arranged at the front end of the rotating head, the cutter module is positioned between the inner clamping module and the outer clamping module, and the two ends of the cable are simultaneously clamped and fixed during cutting, so that the cable and the rotary-cut center are coaxial, the rotary-cut depth is uniform, the precision is high, and the stability of the device is high.

Description

High-precision cable rotary-cutting device

Technical Field

The invention relates to the technical field of cable rotary cutting devices, in particular to a high-precision cable rotary cutting device.

Background

The electric wire has extremely wide application in industries such as industrial electrical equipment, electronic products and the like; at present, before wiring, a plurality of electric wires need to be stripped from the outer skins of the ends of the electric wires, so that the conductors at the two ends of the electric wires are exposed.

In the chinese patent literature, a utility model patent with patent application number 201920592401 discloses a cable rotary cutting device, which comprises a mounting seat, wherein a connecting support rod is arranged on the mounting seat, one end of the connecting support rod is fixedly connected with the mounting seat, and a threading through hole is arranged in the connecting support rod; the rotating head is rotatably sleeved at the free end of the connecting support rod and is provided with a clearance through hole for avoiding a wire passing through the threading through hole; the end part of the rotating head is provided with two cutters which can be arranged in a relatively radial sliding way; the rotary driving mechanism drives the rotary head and the two cutters to rotate; the connecting support rod is also sleeved with a connecting disc, the connecting disc can slide along the axial direction of the connecting support rod and rotate around the axis of the connecting support rod, two pushing pieces are arranged on the connecting disc, and the free ends of the two pushing pieces are connected with corresponding cutters; when a driving mechanism drives the connecting disc to slide, the two pushing pieces push the two cutters to move in opposite directions or in opposite directions. The rotary cutting device is simple in structure and high in rotary cutting precision, and can meet rotary cutting of cables of different sizes. The technical scheme can solve the problem of rotary cutting of the electric wire, but the technical scheme also has the following defects:

(1) Before rotary cutting is carried out on cables with different wire diameters, the whole cable cannot be supported and positioned, and when the center of the cable deviates from the rotating center of the cutter, the outer skin of the cable is cut unevenly, so that peeling at the later stage is affected or the inner core is abraded;

(2) Two cutters set up inside same spout, slide along stirring inslot portion through making stir the connecting piece, realize the regulation of two cutter intervals, during the in-service use, when stir the connecting piece and stir the groove clearance when great, perhaps have other assembly gaps, probably lead to the cutter to rock at the rotary-cut in-process, influence the precision of cutting, reduce cutter life simultaneously.

Disclosure of Invention

The invention aims to provide a high-precision cable rotary cutting device to solve the problems of uneven cutting and low precision in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: high accuracy cable rotary-cut device, including support frame, horizontal installation support the outer tube on support frame top and rotate through first rotary driving module and install the rotating head in support outer tube one end, the inside of supporting the outer tube is provided with the support inner tube that supports the cable, be provided with on the preceding terminal surface of rotating head with rotating head synchronous revolution and interval adjustable cutter module, cutter module includes two slides from top to bottom and sets up the slider on the terminal surface before the rotating head, fix the cutter in two relative one sides of slider, two sliders that drive the slider towards opposite direction motion respectively, be used for the drive plate of fixed slider and drive the drive plate along the axial make a round trip gliding linear driving module of rotating head, run through being provided with on the rotating head and hold the drive block along the axial make a round trip gliding through-hole of rotating head, be provided with the direction chute on the lateral wall of drive block, the slider is close to the one end of drive block and is provided with first connecting piece, and first connecting piece slides inside the direction chute and realizes the regulation of two cutter intervals, is used for carrying out rotary-cut to the cable of different sizes, be provided with two first spouts that match each other with the slider on the preceding terminal surface of cable respectively, the first spout is fixed block is fixed, and the slider is fixed, and is provided with the elastic clamping module outside the rotating head is used for the clamping module is located the centre of the clamping module, the rotating head is used for the centre clamping module outside the centre of the clamping module.

Preferably, the first connecting piece is rotatably connected with the sliding block.

Preferably, the linear driving module comprises a screw rod arranged parallel to the axis of the supporting outer pipe, a driving module driving the screw rod to rotate, and a connecting plate slidably arranged on the screw rod, and the connecting plate is fixedly connected with the driving plate.

Preferably, the first rotary driving module includes a ring gear provided on an outer circumferential wall of the rotary head, a first driving wheel mounted on one side of the ring gear through a support plate, a first connection belt connecting the ring gear and the first driving wheel, and a first driving motor driving the first driving wheel to rotate.

Preferably, the inner clamping module comprises a driving part, a second rotary driving module, a fixing plate, a clamping part and a second connecting part, the driving part comprises a connecting pipe and a driving disc, the connecting pipe is coaxially arranged inside the supporting outer pipe, the driving disc is integrally arranged at one end of the connecting pipe, one end of the supporting outer pipe is provided with a mounting groove matched with the driving disc, the second rotary driving module is mounted at one end, away from the driving disc, of the connecting pipe and is used for driving the driving part to rotate, the fixing plate is arranged on the front end face of the driving disc and is fixedly connected with the supporting outer pipe, the clamping part is arranged on the front end face of the fixing plate in a sliding mode through a second sliding groove, a plurality of arc grooves corresponding to the clamping part one to one are formed in the driving disc, the arc grooves are arc structures with gradually increased radiuses from the center, close to the outer circumference, of the driving disc, the clamping part is movably connected with the arc grooves through the second connecting part and drives the second connecting part to slide inside the arc grooves, and then synchronously drives the second connecting part to slide inside the second sliding groove and be used for clamping cables or loosening the clamping cables.

Preferably, the second rotary driving module includes that fixed cup joints the swivelling joint spare on the connecting pipe periphery wall, coaxial cup joints at the swivelling joint spare outside from the driving wheel, install at the second drive wheel of following driving wheel one side, connect the second drive wheel and from the second connecting belt of driving wheel, be used for driving the rotatory second driving motor of second drive wheel through the backup pad, swivelling joint spare includes that fixed mounting ring and a plurality of equidistant setting on the mounting ring lateral wall of cup jointing on the connecting pipe, the center department from the driving wheel runs through and is provided with the through-hole that matches each other with the mounting ring, and equidistant being provided with a plurality of spread grooves with the stopper one-to-one on the inside wall of through-hole, the stopper passes through elastic support with the inside one side of spread groove and is connected.

Preferably, the clamping member includes a sliding portion slidably disposed inside the second sliding groove and a clamping portion vertically extending from an end of the sliding portion near the center of the fixing plate.

Preferably, the outer clamping module comprises an upper clamping jaw and a lower clamping jaw which are in mirror symmetry, and a driving module for synchronously adjusting the distance between the two clamping jaws.

Preferably, the end of the supporting outer pipe far away from the rotating head is provided with a mounting frame, a through hole for allowing the supporting inner pipe to pass through is arranged on the mounting frame in a penetrating mode, and the supporting inner pipe is fixedly connected with the mounting frame through a fixing bolt.

Compared with the prior art, the invention has the beneficial effects that: the high-precision cable rotary cutting device

(1) The cable peeling machine has the advantages that cables with different wire diameters can be rotatably cut by arranging the cutter module, the supporting inner tube is detachably arranged in the supporting outer tube, the cables with different wire diameters can be supported, the applicability is strong, the inner clamp module and the outer clamp module are arranged, two ends of each cable can be clamped and positioned at the same time, the cables and the rotary cutting center are enabled to keep coaxial, the cutting depth of the cable sheath is uniform during rotary cutting, the structure is simple, the clamping is stable, and the use is convenient and fast;

(2) The cutting knife and the sliding block are respectively arranged in the two first sliding chutes, and the fixed block and the elastic supporting piece are arranged in the first sliding chutes, so that the connecting block is tightly propped against the guide chute, other assembly gaps are eliminated, and the rotating stability of the cutting knife is improved;

(3) Through setting up the interior clamp module into flexible fixture, can suitably relax when the cable takes place to twist or clamping-force is too big, avoid causing the damage of holder.

Drawings

FIG. 1 is a schematic front perspective view of the present invention;

FIG. 2 is a schematic diagram of a back side perspective structure of the present invention;

FIG. 3 is a front view of a cutter module according to the present invention;

FIG. 4 is a schematic perspective view of a cutter module according to the present invention;

FIG. 5 is an axial cross-sectional structural view of the outer support tube of the present invention;

FIG. 6 is a schematic perspective view of an internal clamp module according to the present invention;

fig. 7 is a schematic perspective view of a clamp module according to the present invention.

In the figure: 1. a support frame; 2. rotating the head; 201. a first chute; 3. a cutter module; 301. a cutter; 302. a slider; 303. a drive block; 3031. a guide chute; 304. a drive plate; 305. a linear driving module; 306. a fixed block; 307. a first connecting member; 4. an outer clamp module; 5. a first rotation driving module; 501. a ring gear; 502. a first connecting belt; 503. a first drive wheel; 504. a first drive motor; 6. supporting the outer tube; 7. an inner clamp module; 701. a drive member; 7011. a connecting pipe; 7012. a drive disc; 7013. an arc-shaped slot; 702. a second rotation driving module; 7021. a driven wheel; 7022. a second connecting belt; 7023. a second drive wheel; 7024. a second drive motor; 7025. a rotating connector; 7026. connecting grooves; 703. a fixing plate; 7031. a second chute; 704. a clamping member; 705. a second connecting member; 8. supporting the inner pipe; 9. a mounting frame; 10. and (5) fixing the bolt.

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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be noted that the terms "first", "second", and the like are used for descriptive purposes only, not specifically for describing a sequential or chronological order, but also for defining the present invention, and are used only for distinguishing components or operations described in the same technical terms, and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as being either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-7, an embodiment of the present invention is shown: the high-precision cable rotary-cut device comprises a support frame 1, a support outer tube 6 horizontally arranged at the top end of the support frame 1 and a rotary head 2 rotatably arranged at one end of the support outer tube 6 through a first rotary driving module 5, wherein the rotary head 2 is of a cylindrical structure coaxial with the support outer tube 6, and the support outer tube 6 is rotatably connected with the rotary head 2 through a bearing, so that the rotary head 2 can freely rotate relative to the support outer tube 6;

referring to fig. 2, the first rotary drive module 5 includes a ring gear 501 provided on the outer circumferential wall of the rotary head 2, a first driving pulley 503 mounted on one side of the ring gear 501 through a support plate, a first connection belt 502 connecting the ring gear 501 and the first driving pulley 503, and a first driving motor 504 driving the first driving pulley 503 to rotate, and the rotary head 2 is driven to rotate by the first rotary drive module 5;

referring to fig. 3 and 4, a cutter module 3 rotating synchronously with the rotary head 2 and having an adjustable distance is disposed on the front end surface of the rotary head 2, the cutter module 3 includes two sliders 302 sliding up and down on the front end surface of the rotary head 2, a cutter 301 fixed on one side opposite to the two sliders 302, two sliders 302 respectively driving the sliders 302 to move in opposite directions, a driving plate 304 for fixing the sliders 302, and a linear driving module 305 driving the driving plate 304 to slide back and forth along the axial direction of the rotary head 2, referring to fig. 5, the driving plate 304 is specifically disposed at the rear end of the rotary head 2, and a sliding sleeve slidably connected to the supporting outer tube 6 is disposed at the center of the driving plate 304, and the sliding sleeve is connected to the driving plate 304 through a bearing, so that the driving plate 304 can freely rotate relative to the supporting outer tube 6 and can slide back and forth along the axis of the supporting outer tube 6, a plurality of sliding rods for guiding are arranged between the driving plate 304 and the rotating head 2, the linear driving module 305 comprises a screw rod arranged in parallel with the axis of the supporting outer tube 6, a driving module for driving the screw rod to rotate and a connecting plate arranged on the screw rod in a sliding manner, the connecting plate is fixedly connected with the driving plate 304, the driving module can be specifically a belt pulley mechanism, a through hole for accommodating the driving block 303 to slide back and forth along the axial direction of the rotating head 2 is arranged on the rotating head 2 in a penetrating manner, a guiding inclined groove 3031 is arranged on the outer side wall of the driving block 303, a first connecting piece 307 is arranged at one end of the sliding block 302 close to the driving block 303, the first connecting piece 307 slides in the guiding inclined groove 3031 to realize the adjustment of the distance between the two cutters 301, and is used for rotary cutting of cables with different sizes, in the embodiment, the guiding inclined grooves 3031 are arranged along the outer side wall of the driving block 303 from the position far away from the center of the rotating head 2 to the center close to the rotating head 2, when the two driving blocks 303 are pushed by the driving plate 304 to synchronously slide towards one end close to the rotating head 2, the two sliding blocks 302 are synchronously close to the middle, otherwise, the two sliding blocks are opened towards the two ends, a protective panel is arranged on the front end surface of the rotating head 2 to shield and protect the sliding blocks 302, a through hole for accommodating the sliding of the driving blocks 303 is formed in the protective panel, the first connecting piece 307 is rotatably connected with the sliding blocks 302, the first connecting piece 307 rolls in the guide chute 3031 to reduce abrasion, two first sliding grooves 201 matched with the sliding blocks 302 are respectively arranged on the front end surface of the rotating head 2, a fixed block 306 is fixed at one end, away from the sliding blocks 302, of each first sliding groove 201, the fixed block 306 is connected with the sliding blocks 302 through an elastic support, the elastic support can be a spring (not shown in the figure) and is used for enabling the first connecting piece 307 to tightly abut against the inner side wall of the guide chute 3031 after feeding, so that when the production is carried out, a gap is formed between the first connecting piece 307 and the inner side wall of the guide chute 3031, and then the rotating head 2 and the cutter cable sway when the rotating cutter cable enters;

referring to fig. 5-7, an inner clamping module 7 for elastically clamping and positioning the cable is disposed at the center of the rotating head 2, the inner clamping module 7 includes a driving part 701, a second rotation driving module 702, a fixing plate 703, a clamping part 704 and a second connecting part 705, the driving part 701 includes a connecting pipe 7011 coaxially rotatably disposed inside the supporting outer pipe 6 through a bearing and a driving plate 7012 integrally disposed at one end of the connecting pipe 7011, one end of the supporting outer pipe 6 near the rotating head 2 is provided with a mounting groove mutually matched with the driving plate 7012, during assembly, the driving plate 7012 is embedded inside the mounting groove and rotatably connected with the mounting groove, the second rotation driving module 702 is mounted at one end of the connecting pipe 7011 far away from the driving plate 7012 for driving the driving part 701 to rotate, the fixing plate 703 is disposed on the front end face of the driving plate 7012, and the fixing plate 703 is fixedly connected with the supporting outer pipe 6, the driving disk 7012 and the fixed plate 703 are both provided with through holes through the centers thereof, the through holes are communicated with the inside of the connecting pipe 7011, that is, the fixed plate 703 and the driving disk 7012 can rotate relatively, one end of the rotating head 2 is provided with grooves matched with the mounting groove and the fixed plate 703, the rotating head 2, the fixed plate 703 and the mounting groove can rotate relatively, the plurality of clamping members 704 are slidably arranged on the front end surface of the fixed plate 703 through a second sliding groove 7031, in the present embodiment, the number of the clamping members 704 is four, the second sliding groove 7031 is a cross-shaped structure, the clamping members 704 comprise sliding portions slidably arranged inside the second sliding groove 7031 and clamping portions vertically extending from one ends of the sliding portions close to the center of the fixed plate 703, the driving disk 7012 is provided with a plurality of arc grooves 7013 corresponding to the clamping members 704 one by one, and the arc grooves 7013 are arc structures with gradually increasing radiuses from the center close to the outer circumference of the driving disk 7012, the clamping piece 704 is movably connected with the arc-shaped groove 7013 through a second connecting piece 705, through holes for accommodating the sliding of the second connecting piece 705 are formed in the second sliding groove 7031 in a penetrating mode along the length direction of the second sliding groove, the second connecting piece 705 is rotatably connected with the clamping piece 704 to reduce abrasion, the driving disc 7012 is driven to rotate through the second rotary driving module 702, the fixing plate 703 is fixed on the supporting outer tube 6 to drive the second connecting piece 705 to slide in the arc-shaped groove 7013, and then the second connecting pieces 705 are synchronously driven to slide in the second sliding groove 7031 to clamp or loosen the cable;

referring to fig. 6-7, the second rotary driving module 702 includes a rotary connecting member 7025 fixedly sleeved on the outer peripheral wall of the connecting pipe 7011, a driven wheel 7021 coaxially sleeved outside the rotary connecting member 7025, a second driving wheel 7023 mounted on one side of the driven wheel 7021 through a supporting plate, a second connecting belt 7022 connecting the second driving wheel 7023 and the driven wheel 7021, and a second driving motor 7024 for driving the second driving wheel 7023 to rotate, the rotary connecting member 7025 includes a mounting ring fixedly sleeved on the connecting pipe 7011 and a plurality of limiting blocks equidistantly arranged on the outer side wall of the mounting ring, a through hole mutually matched with the mounting ring is penetratingly arranged at the center of the driven wheel 7021, and a plurality of connecting grooves 7026 corresponding to the limiting blocks are equidistantly arranged on the inner side wall of the through hole, the limiting blocks are connected with one side inside the connecting grooves 7026 through an elastic supporting member, the elastic supporting member may be a spring (not shown in the figures), when the cable clamping device works, the second driving motor 7024 drives the second driving wheel 7023 to rotate, the driven wheel 7021 is driven wheel 7025 to rotate through the elastic supporting member 7025, and the cable clamping member is adjusted by the elastic supporting member, and the cable clamping member, the cable clamping member 701, and the cable clamping member is adjusted by the cable, and the cable clamping member, and the cable clamping device is suitable for clamping cable;

referring to fig. 5, a supporting inner tube 8 for supporting the cable is arranged inside the supporting outer tube 6, the supporting inner tube 8 is a hollow tubular structure with two through ends, the supporting inner tube 8 is specifically inserted into the connecting tube 7011, so that the cable is prevented from rotating when the connecting tube 7011 rotates, an installation frame 9 is arranged at one end of the supporting outer tube 6, which is far away from the rotating head 2, a through hole for accommodating the supporting inner tube 8 to pass through is arranged in the installation frame 9 in a penetrating manner, the supporting inner tube 8 and the installation frame 9 are fixedly connected through a fixing bolt 10, and different supporting inner tubes 8 can be conveniently replaced according to cables with different sizes;

referring to fig. 1, the front end of the rotating head 2 is further provided with an outer clamping module 4 for clamping the cable, the outer clamping module 4 comprises an upper clamping jaw and a lower clamping jaw which are in mirror symmetry and a driving module for synchronously adjusting two clamping distances, the driving module comprises a screw rod and a belt pulley mechanism for driving the screw rod to rotate, threads at two ends of the screw rod are opposite, the two clamping jaws are in threaded connection with the screw rod through a sliding block, when the belt pulley mechanism drives the screw rod to rotate, so that the two clamping jaws are driven to simultaneously draw close to the middle or open towards two ends, the clamping jaws are of a V-shaped structure and can clamp and fix cables with different diameters, during rotary cutting, one end of each cable is inserted into the inner clamping module 7 to be clamped, the other end of each cable is clamped through the outer clamping module 4, the cutter module 3 is located between the outer clamping module 4 and the inner clamping module 7, so that the cable is always kept horizontal, during rotary cutting, the phenomenon that the rotary cutting center of the cable sags to deviate from the center of the cable, so that the cutting depth is deeper, some places of the cable skin of the cable is deeper, and the some places are shallower, which not only affects later peeling, but also can cause abrasion of the inner core when the cutting depth is too deep.

The working principle is as follows: firstly, a cable is inserted from the rear end of a support inner tube 8, one end of the cable is clamped by an outer clamp module 4, the other end of the cable is positioned in the support inner tube 8, a driving piece 701 is driven to rotate through a second rotary driving module 702, a second connecting piece 705 is made to rotate in an arc-shaped groove 7013, due to the fact that a fixing plate 703 is fixed differently, each clamping piece 704 is driven to synchronously move towards a position close to the rotary cutting center along a second sliding groove 7031, then the cable is clamped, then a driving plate 304 is pushed to synchronously slide back and forth along the axial direction of a support outer tube 6 through a linear driving module 305, the linear driving module 305 drives a driving block 303 to slide back and forth along the axial direction of the support outer tube 6, a connecting block on a sliding block 302 slides in a guide chute 3031, and therefore the distance between two cutting knives 301 is adjusted, a rotating head 2 and a cutting knife module 3 are driven to synchronously rotate through a first rotary driving module 5, the cable is subjected to rotary cutting, the sheath of the cable is cut off, and the sheath is convenient for later peeling off the sheath.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. High accuracy cable rotary-cut device, its characterized in that: the cable cutting device comprises a support frame (1), a support outer pipe (6) horizontally arranged at the top end of the support frame (1) and a rotating head (2) rotatably arranged at one end of the support outer pipe (6) through a first rotary driving module (5), a support inner pipe (8) for supporting cables is arranged inside the support outer pipe (6), a cutter module (3) which synchronously rotates with the rotating head (2) and has an adjustable distance is arranged on the front end surface of the rotating head (2), the cutter module (3) comprises two sliding blocks (302) which are vertically slidably arranged on the front end surface of the rotating head (2), a cutter (301) fixed on one side opposite to the two sliding blocks (302), two sliding blocks (302) which respectively drive the sliding blocks (302) to move towards opposite directions, a driving plate (304) for fixing the sliding blocks (302) and a linear driving plate (304) to slide back and forth along the axial direction of the rotating head (2), a through hole which is used for accommodating the driving plate (303) to slide back and forth along the axial direction of the rotating head (2) is arranged on the rotating head (2), a guide chute (3031) is arranged on the outer side wall of the driving plate (303), and two chute connectors (307) for adjusting the sliding blocks (307) are arranged inside the chute (307), and the chute (307) is arranged on the first connecting piece (307), the rotary cutting machine is used for rotary cutting cables of different sizes, two first sliding grooves (201) matched with sliding blocks (302) are respectively formed in the front end face of a rotating head (2), one ends, far away from the sliding blocks (302), of the first sliding grooves (201) are fixed with fixing blocks (306), the fixing blocks (306) are connected with the sliding blocks (302) through elastic supporting pieces, an inner clamping module (7) used for elastically clamping and positioning the cables is arranged at the center of the rotating head (2), an outer clamping module (4) used for clamping the cables is arranged at the front end of the rotating head (2), and a cutter module (3) is located between the inner clamping module (7) and the outer clamping module (4).

2. The high-precision cable rotary-cut device according to claim 1, wherein: the first connecting piece (307) is rotatably connected with the sliding block (302).

3. The high-precision cable rotary-cut device according to claim 1, wherein: the linear driving module (305) comprises a screw rod arranged in parallel with the axis of the supporting outer tube (6), a driving module for driving the screw rod to rotate and a connecting plate arranged on the screw rod in a sliding mode, and the connecting plate is fixedly connected with the driving plate (304).

4. The high-precision cable rotary-cut device according to claim 1, wherein: the first rotary driving module (5) comprises a gear ring (501) arranged on the outer peripheral wall of the rotary head (2), a first driving wheel (503) installed on one side of the gear ring (501) through a supporting plate, a first connecting belt (502) for connecting the gear ring (501) and the first driving wheel (503), and a first driving motor (504) for driving the first driving wheel (503) to rotate.

5. The high-precision cable rotary-cut device according to claim 1, wherein: the inner clamping module (7) comprises a driving piece (701), a second rotary driving module (702), a fixing plate (703), clamping pieces (704) and a second connecting piece (705), the driving piece (701) comprises a connecting pipe (7011) coaxially and rotatably arranged inside the supporting outer pipe (6) and a driving disc (7012) integrally arranged at one end of the connecting pipe (7011), one end of the supporting outer pipe (6) is provided with an installation groove matched with the driving disc (7012), the second rotary driving module (702) is installed at one end, far away from the driving disc (7012), of the connecting pipe (7011) and used for driving the driving piece (701) to rotate, the fixing plate (703) is arranged on the front end face of the driving disc (7012), the fixing plate (703) is fixedly connected with the supporting outer pipe (6), the clamping pieces (704) are arranged on the front end face of the fixing plate (703) in a sliding mode through a second sliding groove (7031), the driving disc (7012) is provided with a plurality of arc grooves (7013) corresponding to the clamping pieces (704) one by one to one another, the arc grooves (7013) are arranged at positions close to the center of the movable arc grooves (705) of the clamping pieces (7012), and the second rotary driving disc (7012) and the second connecting piece (7012) is connected with the rotating connection piece (7012), then synchronously driving each second connecting piece (705) to slide in the second sliding groove (7031) for clamping or loosening the cable.

6. The high-precision cable rotary-cut device according to claim 5, wherein: second rotary driving module (702) including fixed cover connect swivel connected coupler (7025) on connecting pipe (7011) periphery wall, coaxial cup joint at swivel connected coupler (7025) outside from driving wheel (7021), install second drive wheel (7023) from driving wheel (7021) one side through the backup pad, connect second drive wheel (7023) and follow second connecting belt (7022) of driving wheel (7021), be used for driving second drive motor (7024) rotatory second driving motor (7023), swivel connected coupler (7025) is including fixed cover connect the collar on connecting pipe (7011) and a plurality of equidistant stopper that sets up on the collar lateral wall, run through the center department from driving wheel (7021) and be provided with the through-hole that matches each other with the collar, and the equidistant connecting groove (7026) that are provided with a plurality of and stopper one-to-ones that correspond to each other on the inside wall of through-hole, the stopper passes through elastic support with the inside one side of connecting groove (7026) and is connected.

7. The high-precision cable rotary-cut device according to claim 5, wherein: the clamping piece (704) comprises a sliding part arranged inside the second sliding groove (7031) in a sliding mode and a clamping part vertically extending from one end, close to the center of the fixing plate (703), of the sliding part.

8. The high-precision cable rotary-cut device according to claim 1, wherein: the outer clamping module (4) comprises an upper clamping jaw and a lower clamping jaw which are in mirror symmetry, and a driving module for synchronously adjusting the distance between the two clamping jaws.

9. The high-precision cable rotary-cut device according to claim 1, wherein: the one end of keeping away from rotating head (2) of support outer tube (6) is provided with mounting bracket (9), and runs through on mounting bracket (9) and is provided with the through-hole that holds support inner tube (8) and pass, support through fixing bolt (10) fixed connection between inner tube (8) and mounting bracket (9).