CN109454677B - Modularized cable cutting machine tool - Google Patents
Modularized cable cutting machine tool Download PDFInfo
- Publication number
- CN109454677B CN109454677B CN201811592726.3A CN201811592726A CN109454677B CN 109454677 B CN109454677 B CN 109454677B CN 201811592726 A CN201811592726 A CN 201811592726A CN 109454677 B CN109454677 B CN 109454677B
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- 238000005520 cutting process Methods 0.000 title claims abstract description 101
- 230000007246 mechanism Effects 0.000 claims abstract description 87
- 238000012544 monitoring process Methods 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 claims description 13
- 210000000078 claw Anatomy 0.000 claims description 5
- 238000011065 in-situ storage Methods 0.000 claims description 4
- 239000003638 chemical reducing agent Substances 0.000 description 8
- 230000033001 locomotion Effects 0.000 description 7
- 238000013461 design Methods 0.000 description 6
- 230000006872 improvement Effects 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
- B26D1/02—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a stationary cutting member
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/12—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for removing insulation or armouring from cables, e.g. from the end thereof
- H02G1/1202—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for removing insulation or armouring from cables, e.g. from the end thereof by cutting and withdrawing insulation
- H02G1/1248—Machines
- H02G1/1265—Machines the cutting element rotating about the wire or cable
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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]
Abstract
The utility model discloses a modularized cable cutting machine tool, which comprises a machine body, cable clamping mechanisms positioned on outer end surfaces of the front end and the rear end of the machine body, cable cutting mechanisms arranged in the machine body in parallel with the cable clamping mechanisms, a turntable mechanism for driving the cable cutting mechanisms to rotate behind the cable cutting mechanisms, and an axial feeding mechanism for driving the turntable mechanism to axially move along the machine body; the cable cutting mechanism comprises a turntable capable of rotating under the drive of the turntable mechanism, a turntable through hole for a cable to pass through is formed in the center of the turntable, a cutter with a cutter tip pointing to the center of the turntable through hole is arranged on the front end face of the turntable, the cutter is connected with a cutting servo motor for controlling the cutter to move along the radial direction of the turntable through hole, a turntable grating ruler for monitoring the cutter tip position of the cutter, and two distance sensors corresponding to the turntable grating ruler and the cutting servo motor.
Description
Technical Field
The utility model relates to a modularized cable cutting machine tool in the field of cable insulation treatment.
Background
In the power engineering of power transformation and distribution, one end of the high-voltage cable needs to be cut into a proper shape so as to be connected with the other end of the high-voltage cable. The construction of most of the projects in China is realized by means of manual cutting, the manual cutting has long cutting time, the precision is difficult to control, the manual cutting is related to the manual proficiency, meanwhile, if the cutting is performed in a narrow place, the cutting difficulty is increased, and the phenomenon of relatively high labor cost exists. The automatic cutting device for the high-voltage cable in China has no automatic cutting device at present, and only a few simple manual simple peelers within 30mm can not meet the size requirement of the large-scale high-voltage cable, can not meet the construction requirement on site in precision, and can not cut the insulating layer inside the cable.
The working principle of the cable insulation treatment equipment developed abroad is that the stepping motor drives the rotating head to rotate, and the stepping motor on the rotating head drives the blade to move up and down, so that the cutting of the cable insulation layer is realized. But the device can only handle cables of japanese standards and is expensive.
The utility model patent application with publication number CN 106513712A is a conventional cutting machine tool that cuts a workpiece by rotating the workpiece in conjunction with rotation of a tool. The cutting mode has poor positioning accuracy and is difficult to cut long-axis large-size cables.
The utility model patent application with publication number of CN 104057102A adds the ejector pin on the basis of the patent, and improves the cutting accuracy to a certain extent. However, the copper core of the end face of the cable is damaged by the thimble, so that the cutting tool is not suitable for cutting the cable.
The utility model patent with publication number of CN 104617524B only can peel some small-size cables, cannot meet the size requirement of large-size high-voltage cables, cannot meet higher requirements on precision, and cannot cut the insulation layer inside the cables.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides a modularized cable cutting machine tool which can accurately cut an insulating layer of a cable according to the shape of the cable.
The technical scheme for achieving the purpose is as follows: the modularized cable cutting machine tool comprises a machine body, cable clamping mechanisms positioned on outer end surfaces of the front end and the rear end of the machine body, cable cutting mechanisms arranged in parallel with the cable clamping mechanisms in the machine body, a turntable mechanism for driving the cable cutting mechanisms to rotate behind the cable cutting mechanisms, and an axial feeding mechanism for driving the turntable mechanism to axially move along the machine body;
the cable cutting mechanism comprises a turntable which can rotate under the driving of the turntable mechanism, a turntable through hole for a cable to pass through is formed in the center of the turntable, a cutter with a cutter tip pointing to the center of the turntable through hole is arranged on the front end face of the turntable, the cutter is connected with the cutter, a cutting servo motor used for controlling the cutter to move along the radial direction of the turntable through hole, a turntable grating ruler used for monitoring the cutter tip position of the cutter, and two distance sensors corresponding to the turntable grating ruler and the cutting servo motor.
Further, the front end face of the rotary table is provided with a ball screw used for fixing the cutter and axially parallel to the cutter, the ball screw is provided with a screw nut, the screw nut is provided with a nut platform, the rotary table grating ruler is parallel to the ball screw and connected with one side of the nut platform, which is far away from the cutting servo motor, the cutting servo motor is connected with the screw nut through a deceleration strip, and one end, which is far away from the corresponding distance sensor, of the rotary table grating ruler is provided with an in-situ sensor.
Further, the front end face of the rotary table is provided with a chip breaking saw tooth knife with a knife tip pointing to the circle center of the through hole of the rotary table.
Further, the turntable mechanism comprises a turntable positioned at the rear of the turntable, and a hollow stepped shaft, wherein the front end of the stepped shaft penetrates through the turntable and is fixed with the center of the turntable and is used for driving the turntable to rotate;
the annular grating is characterized in that a slip ring is coaxially sleeved on the stepped shaft, an annular grating is sleeved at the tail end of the stepped shaft and is coaxially fixed with the slip ring, a tail end flange is coaxially fixed at the rear of the annular grating, and a rotary table supporting frame is arranged between the tail end flange and the rotary table.
Still further, a turntable bearing sleeved with the stepped shaft and a bearing flange sleeved on the radial outer side of the turntable bearing and fixed with the turntable are arranged between the turntable and the stepped shaft;
a first sleeve which is fixed with the rear end surface of the turntable and sleeved with the outer circumference of the stepped shaft, and a second sleeve which is sleeved with the stepped shaft and fixed with the rear end surface of the first sleeve are arranged behind the bearing flange;
and a belt wheel sleeved with the stepped shaft and used for driving the stepped shaft to rotate is arranged between the second sleeve and the slip ring.
Still further, the axial feeding mechanism is fixed in the machine body and comprises an axial feeding servo motor, a coupler and a linear module which are sequentially arranged in the machine body from back to front;
the axial feeding servo motor is connected with the coupler, the coupler is connected with the linear module, an axial grating ruler which is arranged in the machine body in parallel with the linear module is arranged above the linear module, and the linear module is connected with the turntable.
Further, the cable clamping mechanism comprises a three-jaw clamping mechanism fixed on the outer end face of the corresponding end part of the machine body, and a handle, a torsion limiter, a transmission shaft and a vortex rod sleeved on the radial outer side of the transmission shaft through a flat key, which are sequentially arranged from top to bottom, wherein the vortex rod is tangent to the three-jaw clamping mechanism;
the handle is connected with the torsion limiter through a first bearing seat fixed on the outer end face of the corresponding end part of the machine body, the torsion limiter is connected with the transmission shaft through a second bearing seat fixed on the outer end face of the corresponding end part of the machine body, and the bottom end of the transmission shaft is sleeved and fixed on a third bearing seat of the outer end face of the corresponding end part of the machine body.
Still further, a proximity sensor is fixed to the top of the torsion limiter.
Still further, the three-jaw clamping structure comprises a chuck, a turbine and three jaws;
the chuck is fixed on the outer end face of the corresponding end part of the machine body, the chuck is provided with a chuck through hole and a chuck shaft corresponding to the chuck through hole, the turbine is sleeved on the outer circumference of the chuck shaft at one end of the chuck opposite to the machine body, and the outer circumference of the chuck shaft is matched with the turbine through a deep groove ball bearing;
three jaw guide rails uniformly distributed around the circumference of the chuck through hole are arranged on one side of the chuck facing the machine body, the jaw guide rails are parallel to the radial direction of the chuck through hole, the clamping jaws are clamped in the corresponding clamping jaw guide rails along the axial direction of the corresponding clamping jaw guide rails, and each clamping jaw guide rail is provided with a guide rail through hole which is parallel to the axial direction of the clamping jaw guide rail and is in a waist-round shape;
the turbine is also provided with three vortex line sliding grooves uniformly distributed around the circumference of the chuck shaft; the method comprises the steps of carrying out a first treatment on the surface of the And a sliding rod connected with the corresponding claw is arranged between the vortex line sliding groove and the corresponding guide rail through hole.
Further, one side of the machine body is fixed with a display support frame through bolts, and a touch screen is fixed on the display support frame.
The technical scheme of the modularized cable cutting machine tool comprises a machine body, cable clamping mechanisms positioned on outer end surfaces of the front end and the rear end of the machine body, cable cutting mechanisms arranged in the machine body in parallel with the cable clamping mechanisms, a turntable mechanism driving the cable cutting mechanisms to rotate behind the cable cutting mechanisms, and an axial feeding mechanism driving the turntable mechanism to axially move along the machine body; the cable cutting mechanism comprises a turntable which can rotate under the driving of the turntable mechanism, a turntable through hole for a cable to pass through is formed in the center of the turntable, a cutter with a cutter tip pointing to the center of the turntable through hole is arranged on the front end face of the turntable, the cutter is connected with the cutter, a cutting servo motor used for controlling the cutter to move along the radial direction of the turntable through hole, a turntable grating ruler used for monitoring the cutter tip position of the cutter, and two distance sensors corresponding to the turntable grating ruler and the cutting servo motor. The technical effects are as follows: the cable clamping is completed by adopting the corresponding modules, the cable cutting depth, the cable cutting length and the circular motion of the cutter for cable cutting are controlled, and the numerical control cutting machine has the advantages of high control precision, high efficiency, good stability, good working safety, humanized operation and the like, has important significance for the modification and upgrading of the machine tool, and is convenient to maintain and repair due to the modularized design.
Drawings
Fig. 1 is a perspective view of a modular cable cutting machine of the present utility model.
Fig. 2 is a front view of a cable clamping mechanism of a modular cable cutting machine of the present utility model.
Fig. 3 is an A-A cross-sectional view of a cable clamping mechanism of a modular cable cutting machine of the present utility model.
Fig. 4 is a block diagram of a turbine of a modular cable cutting machine according to the present utility model.
Fig. 5 is a block diagram of a chuck of a modular cable cutting machine according to the present utility model.
Fig. 6 is a perspective view of a cutting mechanism of a modular cable cutting machine tool of the present utility model.
Fig. 7 is a perspective view of an axial feed mechanism of a modular cable cutting machine of the present utility model.
Fig. 8 is a structural view of a turntable of a modular cable cutting machine tool of the present utility model.
Detailed Description
Referring to fig. 1 to 8, in order to better understand the technical solutions of the present utility model, the following detailed description is given by specific embodiments with reference to the accompanying drawings:
referring to fig. 1, a modular cable cutting machine of the present utility model includes a machine body 1, a cable clamping mechanism 2, a cable cutting mechanism 3, an axial feeding mechanism 5, and a turntable mechanism 6. The modularized cable cutting machine tool adopts a modularized design, and can realize the processing and manufacturing of complex configurations.
In a modular cable cutting machine according to the present utility model, a machine body 1 comprises a front end panel 11, a rear end panel 12, a first side panel 13 and a second side panel 14. In order to enable the modular cable cutting machine tool to flexibly move, four rollers 15 capable of being blocked are added to the bottom surface of the machine body 1. The front panel 11 and the rear panel 12 of the main body 1 are correspondingly provided with panel through holes through which cables can pass. The top surface of the body 1 is provided with a protective cover 18.
The number of the cable gripping mechanisms 2 is two, and the cable gripping mechanisms are respectively positioned on the outer end surfaces of the front end panel 11 and the rear end panel 12 of the fuselage 1. The cable cutting mechanism 3, the axial feeding mechanism 5 and the turntable 6 are all located inside the machine body 1.
Referring to fig. 2 to 5, the cable clamping mechanism 2 includes a three-jaw clamping mechanism composed of a chuck 21, a worm gear 22 and jaws 23.
The chuck 21 is fixed to the body 1 by bolts. The center of the chuck 21 is provided with a chuck shaft corresponding to the corresponding panel through hole, and a chuck through hole 211 located at the center of the chuck shaft. The turbine 22 is sleeved with the outer circumference of the chuck shaft on the side of the chuck 21, which is opposite to the machine body 1. The center of the turbine 22 is provided with a turbine through hole 221. The outer circumference of the chuck shaft is matched with the turbine through hole 221 through a deep groove ball bearing 251, and the deep groove ball bearing 251 realizes axial limit of the turbine 22 and reduces sliding friction between the turbine 22 and the chuck 21. Meanwhile, grooves for clamping a bearing sealing ring 252 are correspondingly formed in the turbine through hole 221 and the outer circumference of the chuck shaft, and the bearing sealing ring 252 seals the deep groove ball bearing 251.
The outer circumference of one side of the chuck shaft facing the machine body 11 is matched with the inner circumference of the panel through hole of the corresponding end panel, three jaw guide rails 212 which are parallel to the radial direction of the chuck through hole 211 are uniformly distributed around the chuck through hole 211 on the side end surface of the chuck shaft, and the jaw 23 is clamped in the corresponding jaw guide rail 212 in a wedge-shaped clamping manner along the axial direction of the corresponding jaw guide rail 212. The clamping claws 23 are clamped with the corresponding clamping claw guide rails 212 in a stepped mode. That is, the jaw rail 212 is a stepped jaw rail 212, or the jaw rail 212 has a convex cross-sectional shape. The jaw rail 212 includes a groove bottom 212a, and a first rail groove 212b and a second rail groove 212c provided in a stepwise order on both sides of the groove bottom 212 a. The groove bottom 212a is provided with a rail through hole 213 in a waist-round shape axially parallel to the jaw rail 212.
The turbine 22 is further provided with three vortex line sliding grooves 222 uniformly distributed around the circumference of the turbine through hole 221, the shape of the vortex line sliding groove 222 is a waist circle, and the long axis of the vortex line sliding groove 222 is a vortex line tangential to the outer circumference of the turbine through hole 221. A slide bar 24 is arranged between the scroll chute 222 and the corresponding guide rail through hole 213, and one end of the slide bar 24 is inserted into the corresponding scroll chute 222 and can slide along the axial direction in the corresponding scroll chute 222. The other end of the slide bar 24 penetrates through the corresponding guide rail through hole 213, is connected with the corresponding claw 23, and can slide along the axial direction of the corresponding guide rail through hole 213.
When the worm wheel 22 rotates, the slide bar 24 drives the clamping jaws 23 to move along the axial direction of the corresponding clamping jaw guide rail 212, so that the clamping jaws 23 move in the radial direction of the chuck 21, and the clamping of the cable is realized.
As a further improvement, the jaws 210 are divided into front and rear jaws along the axial direction of the corresponding jaw guide rail 212, and the slide bar 24 is clamped, thereby facilitating the processing and replacement of the jaws 23.
The cable clamping mechanism 2 further includes a handle 201, a torsion limiter 202, a transmission shaft 203, and a scroll 204 that is sleeved on the radial outside of the transmission shaft 203 by a flat key, which are sequentially provided from top to bottom. The scroll bar 204 is tangential to the turbine wheel 22.
Wherein the handle 201 and the torsion limiter 202 are connected by a first bearing seat 205 fixed on top of the chuck 21. The torque limiter 202 and the transmission shaft 203 are connected by a second bearing housing 206 fixed to the chuck 21. The third bearing seat 207 is sleeved at the bottom end of the transmission shaft 203 and is fixed on the chuck 21. Proximity switch 200 is fixed on top of torsion limiter 202. The proximity switch 208 will feed back whether the cable is stuck or not.
Meanwhile, the torque limiter 202 is supported by a first square groove 202a fixed to the chuck 21, and the scroll 204 is supported by a second square groove 204a fixed to the chuck 21.
Meanwhile, the chuck 21 is provided with square holes for fixing the first square groove 202a and the second square groove 204a, and the design makes the cable clamping mechanism 2 more compact.
The torque limiter 202 acts after clamping of the cable, preventing slipping of the handle 201. Self-locking of the jaws 23 is achieved by the worm 204.
Referring to fig. 6, the cable cutting mechanism 3 includes a turntable 30, a cutter 31, a cutting servo motor 32, a speed reduction belt 33, a ball screw 34, and a turntable grating ruler 35. The turntable 30 is located in the middle of the body 1, and is disposed parallel to the front and rear end panels 11 and 12. The center of the turntable 30 is provided with a turntable through hole 301 through which the cable passes. The turntable grating ruler 35, the cutting servo motor 32 and the ball screw 34 are all fixed on the front end surface of the turntable 30, wherein the ball screw 34 is fixed on the front end surface of the turntable 30 along the radial direction of the turntable 30 through a fixing frame 340, and the turntable grating ruler 35 and the cutting servo motor 32 are arranged in parallel with the ball screw 34 on two sides of the ball screw 34. Wherein the cutting servo motor 32 is fixed to the front end surface of the turntable 30 through a motor mount 321. The cutting servo motor 32 is connected to a ball screw 34 via a speed reduction belt 33. A nut plate 341 is mounted on the screw nut of the ball screw 34. The turntable grating ruler 35 is mounted on the side of the nut platform away from the cutting servo motor 31, and the turntable grating ruler 35 and the turntable 30 are fixed. The cutter 31 is fixed on the nut platform 341, and the tip of the cutter 31 points to the center of the turntable through hole 301. The turntable 30 is also provided with two distance sensors 36 located on both sides of the screw nut 34, corresponding to the positions of the cutting servo motor 32 and the turntable grating ruler 35. The turntable grating ruler 35 can feed back the displacement of the cutter 31, and the two distance sensors 36 can realize real-time detection of the cable shape. By the two feedback designs, the high-precision control of the cutting depth of the cable is realized. The front end surface of the turntable 30 is also fixed with a chip breaking saw tooth knife 37 pointing to the center of the turntable through hole 301, so that chips cut by the knife 31 are cut off, and unnecessary influence of the chips on cutting is avoided. Three wire holes 302 are also distributed on the turntable 30 and are arranged around the turntable through holes 301.
As a further improvement, an in-situ sensor is added at the end of the turntable grating ruler 35 away from the corresponding distance sensor 36, thereby ensuring that the cutter 31 can be quickly retracted to the zero position.
As a further improvement, the front end surface of the turntable 30 is provided with a screw hole so that the screw nut of the ball screw 34 and the nut platform 341 are fitted through one connection plate.
Referring to fig. 8, the turntable mechanism 6 includes a turntable 60, a turntable servo motor 61, a planetary reducer 62, and a hollow stepped shaft 63 penetrating through the turntable 60 coaxially and fixed to the center of the turntable 30. The turntable servo motor 61 and the planetary reducer 62 are coaxially connected, wherein the turntable servo motor 61 is fixed with the rear end panel 12 of the body 1, and the planetary reducer 62 is fixed on the side of the turntable 60 opposite to the turntable 30 through a fixing plate. The front end of the stepped shaft 63 is fixed to the turntable 30 by bolts. Three wire grooves 631 are provided on the outer circumference of the stepped shaft 63 in one-to-one correspondence with the three wire holes 302 on the turntable 30.
The inner circumference of the turntable 60 is provided with a hollow bearing flange 64. The bearing flange 64 is fixedly connected with the turntable 60 through bolts. The inner ring of the bearing flange 64 is provided with a turntable bearing 65. The inner ring of the turntable bearing 65 is fitted with the outer circumference of the stepped shaft 63, and the outer circumference of the turntable bearing 65 is fitted with the inner circumference of the bearing flange 64.
The first sleeve 66 is tightly attached to the rear end surfaces of the turntable bearing 65 and the bearing flange 64, and is fixed to the rear end surface of the turntable 60, and the second sleeve 67 is coaxially provided with the first sleeve 66, is tightly attached to the rear end surface of the first sleeve 66, and is fixed to the first sleeve 66, and the above-described design makes the first sleeve 66 and the second sleeve 67 press the inner and outer rings of the turntable bearing 65, and works together with the front shoulder of the stepped shaft 63 and the bearing flange 64 on the turntable bearing 65, thereby transmitting the left-right axial force of the stepped shaft 63 to the turntable 60. The turntable bearing 65 is a deep groove ball bearing.
The pulley 68 is located at the rear side of the second sleeve 67 and is journaled on the stepped shaft 63 by a flat key. The planetary reducer 62 and the belt pulley 68 are connected through a synchronous belt, the turntable servo motor 61 enables the belt pulley 68 to transmit power to the stepped shaft 63 through a flat key through the planetary reducer 62, and then the stepped shaft 63 transmits power to the turntable 30, and the cutter 31 is assembled on the turntable 30, so that circumferential rotary motion of the cutter 31 relative to a cable is realized.
The rear side of the belt wheel 68 is also provided with a slip ring 69 sleeved on the outer circumference of the stepped shaft 63, and the rear end of the slip ring 69 is coaxially connected with an annular grating 610 sleeved on the rear end surface of the stepped shaft 63 through bolts. The rear end of the annular grating 610 is coaxially connected with a rear end flange 611 through bolts, and three horizontal turntable support frames 612 are connected between the rear end flange 611 and the turntable 60.
The planetary reducer 62 transmits power to the pulley 68 through the timing belt, the pulley 68 transmits power to the stepped shaft 63 through the flat key, the stepped shaft 63 is rotated, and then the power is transmitted to the turntable 30 through the stepped shaft 63, and the turntable 30 is rotated. The annular grating 610 performs position feedback on the circumferential rotational movement of the stepped shaft 63 and the turntable 30, thereby ensuring the precision requirement when the cutter 31 rotates. The integral axial fixation of the cutting mechanism 3 and the turntable mechanism 6 is realized through the rear end flange 611, the annular grating 610, the slip ring 69, the belt pulley 68, the second sleeve 67, the first sleeve 66, the turntable bearing 65, the bearing flange 64, the stepped shaft 63 and the turntable 60, so that the cable cutting mechanism 3 and the turntable mechanism 6 can synchronously axially move relative to the cable along with the axial feeding mechanism 5. The planetary reducer 62 and the turntable servo motor 61 can be connected through a flange, so that relative axial fixation between the planetary reducer and the belt wheel 68 is realized. The rear end panel 12 of the body 1 is provided with a square hole for fixing the turntable servo motor 61, and interference between the turntable servo motor 61 and the slip ring 68 is prevented.
The three wire grooves 631 on the outer circumferential surface of the stepped shaft 63 are communicated with the three wire holes 302 in the turntable 30, and control wires of the cable cutting mechanism 3 and the turntable mechanism 6 sequentially pass through the corresponding wire holes 302 in the turntable 30 and the wire grooves 631 in the stepped shaft 63 and are connected with the inner layer of the slip ring 69, so that the problem of winding of control wires of the cutting part caused by axial rotation of the cable cutting mechanism 3 along with the stepped shaft 63 is avoided.
Referring to fig. 7, the axial feed mechanism 5 includes an axial feed servo motor 51, a coupling 52 and a linear module 53 axially connected in this order on the first side panel 13 of the body 1, wherein the axial feed servo motor 51 is located on the side near the rear end panel 12 of the body 1, and the linear module 53 is located on the side near the front end panel 11. An axial grating scale 54 fixed on the first side panel 13 of the machine body 1 is arranged above the linear module 53. The axial grating 54 feeds back the axial feed of the axial feed servo motor 51, improves the accuracy of the axial feed motion, and controls the length of the cable cut. The linear module 53 includes a horizontal ball screw, and a turret screw nut that is in bypass connection with a turret 60 in the turret mechanism 6 via a web and bolts. The axial feed servo motor 51 is connected to the horizontal ball screw through a coupling 52, thereby effecting axial movement of the turntable 60.
Meanwhile, three rigid brackets 55 are arranged between the front end panel 11 and the rear end panel 12 of the machine body 1, supporting sleeves 56 are arranged between the three rigid brackets 55 and the turntable 60, and the three supporting sleeves 56 are fixed with the turntable 60 through bolts, so that the aim of bearing the weight of the whole cable cutting mechanism 3 and the turntable mechanism 6 is fulfilled. As a further improvement, the rigid bracket 55 is machined as a spline to ensure axial accuracy in axial movement.
One side of the front panel 11 of the machine body 1 is fixed with the display support frame 16 through bolts, the degree of freedom of the display support frame 16 is two, the touch screen 17 is fixed with the display support frame 16 through bolts, and is connected with the cutting servo motor 32, the turntable grating ruler 35, the distance sensor 36 and the in-situ sensor in the cutting mechanism 3 through control wires, the turntable servo motor 61 and the annular grating 610 in the turntable mechanism 6, and the axial feeding servo motor 51, the linear module 53 and the axial grating ruler 54 in the axial feeding mechanism 5, so that the operation of personnel is facilitated.
The modularized cable cutting machine tool provided by the utility model adopts the corresponding modules to complete cable clamping, controls the cable cutting depth, the cable cutting length and the circular motion of a cutter for cable cutting, and has the advantages of high control precision, high efficiency, good stability, good working safety, humanized operation and the like. The numerical control cutting machine tool has important significance for the modification and the upgrade of the machine tool and the assembly and the mass production of the numerical control machine tool, and the modularized design facilitates the maintenance and the repair of the numerical control cutting machine tool.
It will be appreciated by persons skilled in the art that the above embodiments are provided for illustration only and not for limitation of the utility model, and that variations and modifications of the above described embodiments are intended to fall within the scope of the claims of the utility model as long as they fall within the true spirit of the utility model.
Claims (8)
1. The utility model provides a modularization cable cutting lathe, includes fuselage, its characterized in that:
the machine body comprises a machine body, a cable clamping mechanism, a cable cutting mechanism, a turntable mechanism and an axial feeding mechanism, wherein the cable clamping mechanism is positioned on the outer end surfaces of the front end and the rear end of the machine body, the cable cutting mechanism is arranged in the machine body in parallel with the cable clamping mechanism, the turntable mechanism is used for driving the cable cutting mechanism to rotate behind the cable cutting mechanism, and the axial feeding mechanism is used for driving the turntable mechanism to axially move along the machine body;
the cable cutting mechanism comprises a turntable which can rotate under the drive of the turntable mechanism, a turntable through hole for a cable to pass through is arranged in the center of the turntable, a cutter with a cutter tip pointing to the center of the turntable through hole is arranged on the front end surface of the turntable, the cutter is connected with the cutter, a cutting servo motor for controlling the cutter to move along the radial direction of the turntable through hole, a turntable grating ruler for monitoring the cutter tip position of the cutter, and two distance sensors corresponding to the turntable grating ruler and the cutting servo motor,
the front end face of the rotary table is provided with a ball screw which is used for fixing the cutter and is axially parallel to the cutter, the ball screw is provided with a screw nut, the screw nut is provided with a nut platform, the rotary table grating ruler is parallel to the ball screw and is connected with one side of the nut platform, which is far away from the cutting servo motor, the cutting servo motor is connected with the screw nut through a deceleration strip, one end of the rotary table grating ruler, which is far away from a corresponding distance sensor, is provided with an in-situ sensor,
the front end face of the rotary table is provided with a chip breaking saw tooth knife with a knife tip pointing to the circle center of the rotary table through hole.
2. A modular cable cutting machine according to claim 1, wherein: the turntable mechanism comprises a turntable positioned at the rear of the turntable, and a hollow stepped shaft, wherein the front end of the hollow stepped shaft penetrates through the turntable and is fixed with the center of the turntable and is used for driving the turntable to rotate;
the sliding ring is coaxially sleeved on the stepped shaft, the annular grating coaxially fixed with the sliding ring is sleeved at the tail end of the stepped shaft, the tail end flange is coaxially fixed at the rear of the annular grating, and the turntable supporting frame is arranged between the tail end flange and the turntable.
3. A modular cable cutting machine according to claim 2, wherein: a turntable bearing sleeved with the stepped shaft and a bearing flange sleeved on the radial outer side of the turntable bearing and fixed with the turntable are arranged between the turntable and the stepped shaft;
a first sleeve which is fixed with the rear end surface of the turntable and sleeved with the outer circumference of the stepped shaft, and a second sleeve which is sleeved with the stepped shaft and fixed with the rear end surface of the first sleeve are arranged behind the bearing flange;
the rear of the second sleeve is provided with a belt wheel which is sleeved with the stepped shaft and used for driving the stepped shaft to rotate.
4. A modular cable cutting machine according to claim 2, wherein: the axial feeding mechanism is fixed in the machine body and comprises an axial feeding servo motor, a coupler and a linear module which are sequentially arranged in the machine body from back to front;
the axial feeding servo motor is connected with the coupler, the coupler is connected with the linear module, an axial grating ruler which is arranged in the machine body in parallel with the linear module is arranged above the linear module, and the linear module is connected with the turntable.
5. A modular cable cutting machine according to claim 1, wherein: the cable clamping mechanism comprises a three-jaw clamping mechanism fixed on the outer end face of the corresponding end part of the machine body, a handle, a torsion limiter, a transmission shaft and a vortex rod sleeved on the radial outer side of the transmission shaft through a flat key, wherein the handle, the torsion limiter and the transmission shaft are sequentially arranged from top to bottom, and the vortex rod is tangent to the three-jaw clamping mechanism;
the handle is connected with the torsion limiter through a first bearing seat fixed on the outer end face of the corresponding end part of the machine body, the torsion limiter is connected with the transmission shaft through a second bearing seat fixed on the outer end face of the corresponding end part of the machine body, and the bottom end of the transmission shaft is sleeved and fixed on a third bearing seat of the outer end face of the corresponding end part of the machine body.
6. A modular cable cutting machine according to claim 5, wherein: a proximity sensor is fixed to the top of the torsion limiter.
7. A modular cable cutting machine according to claim 5, wherein: the three-jaw clamping structure comprises a chuck, a turbine and three jaws;
the chuck is fixed on the outer end face of the corresponding end part of the machine body, the chuck is provided with a chuck through hole and a chuck shaft corresponding to the chuck through hole, the turbine is sleeved on the outer circumference of the chuck shaft at one end of the chuck opposite to the machine body, and the outer circumference of the chuck shaft is matched with the turbine through a deep groove ball bearing;
three jaw guide rails uniformly distributed around the circumference of the chuck through hole are arranged on one side of the chuck facing the machine body, the jaw guide rails are parallel to the radial direction of the chuck through hole, the clamping jaws are clamped in the corresponding clamping jaw guide rails along the axial direction of the corresponding clamping jaw guide rails, and each clamping jaw guide rail is provided with a guide rail through hole which is parallel to the axial direction of the clamping jaw guide rail and is in a waist-round shape;
the turbine is also provided with three vortex line sliding grooves uniformly distributed around the circumference of the chuck shaft; and a sliding rod connected with the corresponding claw is arranged between the vortex line sliding groove and the corresponding guide rail through hole.
8. A modular cable cutting machine according to claim 1, wherein: one side of the machine body is fixed with a display support frame through a bolt, and a touch screen is fixed on the display support frame.
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| CN201811592726.3A CN109454677B (en) | 2018-12-20 | 2018-12-20 | Modularized cable cutting machine tool |
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| CN113363888A (en) * | 2021-06-25 | 2021-09-07 | 广东电网有限责任公司 | Cable stripping and cutting device |
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Inventor after: Chen Ming Inventor after: Guan Enguang Inventor after: Mao Jie Inventor after: Ding Jun Inventor after: Wu Wei Inventor after: Xu Bin Inventor after: Zhu Jia Inventor after: Yin Chao Inventor after: Zhao Bin Inventor after: Ding Yu Inventor after: Xia Jun Inventor after: Wang Zhengrong Inventor after: Zhou Defeng Inventor after: Yao Zhi Inventor after: Wang Rui Inventor after: Li Zikang Inventor after: Kong Deyuan Inventor after: Yang Xiaojing Inventor after: Zhao Yanzheng Inventor after: Tian Jiajia Inventor after: Wang Zhigang Inventor before: Chen Ming Inventor before: Wu Wei Inventor before: Xu Bin Inventor before: Zhu Jia Inventor before: Yin Chao Inventor before: Zhao Bin Inventor before: Ding Yu Inventor before: Xia Jun Inventor before: Zhou Defeng Inventor before: Yao Zhi Inventor before: Kong Deyuan Inventor before: Yang Xiaojing Inventor before: Zhao Yanzheng Inventor before: Tian Jiajia Inventor before: Wang Zhigang Inventor before: Guan Enguang Inventor before: Mao Jie Inventor before: Ding Jun |
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Effective date of registration: 20240129 Address after: 200122, 1122 deep road, Pudong New Area, Shanghai Applicant after: STATE GRID SHANGHAI MUNICIPAL ELECTRIC POWER Co. Country or region after: China Applicant after: SHANGHAI JIULONG ELECTRIC POWER (Group) Co.,Ltd. Applicant after: SHANGHAI ELECTRIC POWER CABLE ENGINEERING Co.,Ltd. Applicant after: SHANGHAI JIAO TONG University Address before: 200070 No.3, Lane 1394, Zhongxing Road, Jing'an District, Shanghai Applicant before: SHANGHAI JIULONG ELECTRIC POWER (Group) Co.,Ltd. Country or region before: China Applicant before: SHANGHAI ELECTRIC POWER CABLE ENGINEERING Co.,Ltd. Applicant before: SHANGHAI JIAO TONG University |