Disclosure of Invention
The technical problem to be solved by the invention is as follows: the core stripping device, the end machining device and the method for the cable of the Fakra connector are provided, and the stripping efficiency of PE insulation is improved, and the efficiency of machining the end of the cable is improved.
In order to achieve the above object, an aspect of the present invention provides a Fakra connector cable stripping device, comprising:
the swinging wire clamping assembly comprises two oppositely arranged clamping jaws, a guide rod for limiting the two clamping jaws to move in the horizontal direction and a swinging mechanism for driving the two clamping jaws to approach or separate;
the peeling core assembly comprises two oppositely arranged peeling knives, a guide rail for limiting the two peeling knives to move in the horizontal direction and a transverse driving mechanism for driving the two peeling knives to approach or separate from each other;
the longitudinal driving assembly is connected with the stripping core assembly so as to drive the stripping core assembly to move towards a direction perpendicular to the movement of the two stripping knives;
the polymerization centers of the two clamping jaws and the polymerization centers of the two stripping knives are arranged on the same horizontal line, and the longitudinal driving assembly drives the stripping core assembly to move towards the direction close to or far away from the swinging wire clamping assembly;
when peeling off the core, swing wire clamping component presss from both sides tight cable and makes the PE insulating stretch into two broach centers department, peel off core subassembly cutting PE insulating to predetermined depth and keep cutting depth unchangeable, vertical drive assembly drive peel off core subassembly orientation and keep away from swing wire clamping component's direction removes, and the PE that will cut is insulating breaks away from the cable end and stops.
Furthermore, the swing mechanism comprises two rotating shafts arranged in parallel, a swing arm arranged at one end of each rotating shaft, a transmission arm arranged at the other end of each rotating shaft, a driving block arranged between the two transmission arms, and an air cylinder for driving the driving block to move back and forth;
the swing arm is perpendicular to the axial direction of the rotating shaft, a straight hole is formed in the free end of the swing arm, and the straight hole is rotatably connected with the clamping jaw through a fastener;
the driving block is obliquely arranged towards the center towards the two side surfaces of the two driving arms, when the driving block is in contact with the two driving arms, the distance between the two side surfaces close to one end of the two driving arms is smaller than the distance between the two side surfaces far away from one end of the two driving arms, and when the driving block moves back and forth, the driving arms are in contact with the side surfaces of the driving block and drive the two rotating shafts to rotate so as to drive the swing arms to drive the two clamping jaws to be close to or far away from each other.
Furthermore, the transverse driving mechanism comprises two opposite sliding blocks, a moving block with two opposite inclined slotted holes and a motor lead screw assembly for driving the moving block to move back and forth;
the sliding blocks are arranged in parallel with the moving block, fixing columns arranged in the slotted holes are fixed on the sliding blocks, when the moving block moves forwards and backwards, the fixing columns drive the two sliding blocks to be close to or far away from each other under the driving of the slotted holes, and the peeling knives are fixed at the end parts of the sliding blocks.
The zero point positioning mechanism comprises a zero point positioning rod, a connecting piece and a positioning driving piece;
the zero-point positioning rod is arranged between the two sliding blocks, the axial center line of the zero-point positioning rod is on the same straight line with the polymerization centers of the two clamping jaws and the stripping knife, and when a cable extends into the middle of the two clamping jaws, the end part of the cable is in contact with the end part of the zero-point positioning rod;
the positioning driving part is connected with the connecting part, the connecting part is connected with the zero point positioning rod, and the positioning driving part drives the zero point positioning rod to move along the axial direction of the zero point positioning rod so as to adjust the length of the cable extending into the stripping knife.
Another aspect of the present invention provides a Fakra connector end processing apparatus, comprising:
a support;
the cable processing module comprises a stripping device, a copper ring crimping device, a shielding wire turning device, an aluminum foil paper removing device, the Fakra connector cable core stripping device, a central conductor crimping device, a shielding wire arranging device and an outer conductor pressing device which are sequentially arranged along the length direction of the bracket;
the cable pushing devices are arranged in a plurality of numbers, are arranged at the front end of the cable processing module respectively, and are used for lifting and pushing cables;
cable transport mechanism sets up including conveyer belt subassembly and even interval linkage gas claw on the conveyer belt, cable transport mechanism follows the length direction reciprocating motion of support, in order to drive the cable of centre gripping transmits in proper order to on the linkage gas claw the cable is handled on the module on the cable push mechanism.
Further, the cable pushing device comprises a cylinder clamping jaw, a lifting cylinder, a screw rod structure and a driving mechanism;
the lifting cylinder is connected with the bottom of the cylinder clamping jaw, the screw rod structure is connected with the lifting cylinder to drive the cylinder clamping jaw to move linearly, and the driving mechanism is connected with the screw rod structure.
Further, a plurality of linkage gas claws on the cable transfer mechanism are arranged opposite to the cylinder clamping jaws, when one linkage gas claw moves to the corresponding cylinder clamping jaw, the cylinder clamping jaw clamps the cable, the cable ascends under the driving of the lifting cylinder and moves towards the direction close to the cable processing module, and the linkage gas claw is returned to the original position under the driving of the conveyor belt component.
The invention also provides a processing method of the cable end of the Fakra connector, which is applied to the processing equipment of the Fakra connector end and comprises the following steps:
placing the cable on a linkage pneumatic claw of the cable transfer mechanism;
the pneumatic claw is driven to move to the position of the peeling device, the cable pushing device in front of the peeling device is driven to push the cable into the peeling device to peel the outer insulating skin, and meanwhile, the linkage pneumatic claw in front of the non-peeled skin is clamped to reset;
after peeling is finished, the cable pushing device moves the cable to the linkage air claw in front of the peeling device, and the cable transferring mechanism moves the peeled cable to the copper ring crimping device for copper ring crimping;
after the copper ring is pressed, moving the cable to a shield wire turning device for turning over the shielding net;
after the shielding net is turned over, moving the cable to an aluminum foil removing device to peel the aluminum foil;
after the peeling of the aluminum foil paper is finished, moving the cable to a cable core peeling device of the Fakra connector to peel the insulation of the PE inner core;
after the insulation of the PE inner core is stripped, the cable is moved to the central guide ring crimping device to crimp the central guide ring on the inner core;
after the central guide ring is pressed, moving the cable to a shielding wire arranging device, and resetting the folded shielding wire;
after the shielding wires are processed, moving the cable to a position for pressing the outer conductor device to perform compression joint on the outer conductor;
and (5) moving the cable out of the linkage gas claw, and finishing the processing.
Further, when the cable processing operation is processed, the cable transfer mechanism reciprocates between two adjacent devices so as to realize synchronous operation of multiple cables.
The invention has the beneficial effects that: according to the invention, the PE insulation is cut through the mutual approaching of the stripping knives, and the PE insulation is stripped from the inner core through the pulling of the longitudinal driving assembly, so that the damage to the cable inner core is avoided, and on the other hand, compared with the rotary cutting in the prior art, the rotary cutting device has a simple structure and improves the cutting efficiency of the PE insulation.
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.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The Fakra connector cable stripping apparatus as shown in fig. 1-5 comprises an oscillating wire clamping assembly 110, a stripping assembly 120 and a longitudinal drive assembly 130, wherein:
the swinging wire clamping assembly 110 comprises two oppositely arranged clamping jaws 111, a guide rod 112 for limiting the horizontal movement of the two clamping jaws 111 and a swinging mechanism 113 for driving the two clamping jaws 111 to approach or separate; the wire clamping principle is that the swinging mechanism 113 drives the two clamping jaws 111 to approach or separate from each other, and the connection position of the swinging mechanism 113 and the clamping jaws 111 is connected by a straight hole, so that arc swinging is converted into linear movement.
The peeling assembly 120 comprises two peeling knives 121 arranged oppositely, a guide rail 122 for limiting the two peeling knives 121 to move in the horizontal direction, and a transverse driving mechanism 123 for driving the two peeling knives 121 to approach or separate from each other; when the core is stripped, firstly, the clamping jaw 111 is used for fixing the cable, then the two stripping knives 121 approach each other, so that the cutting edges of the stripping knives 121 extend into the PE insulation, and the PE insulation is split.
The longitudinal driving assembly 130 is connected with the peeling core assembly 120 to drive the peeling core assembly 120 to move in a direction perpendicular to the movement of the two peeling knives 121; the longitudinal direction here means the same direction as the axial direction of the cable when the cable is fixed. Here, the longitudinal drive assembly 130 may be a motor screw assembly 1233.
Wherein, the convergence centers of the two clamping jaws 111 and the two stripping knives 121 are arranged on the same horizontal line, and the longitudinal driving assembly 130 drives the stripping assembly 120 to move towards the direction close to or far away from the swinging wire clamping assembly 110;
when stripping, the swinging wire clamping assembly 110 clamps the cable so that the PE insulation extends into the center of the two stripping knives 121, the stripping assembly 120 cuts the PE insulation to a predetermined depth and keeps the cutting depth unchanged, and the longitudinal driving assembly 130 drives the stripping assembly 120 to move towards a direction away from the swinging wire clamping assembly 110 until the cut PE insulation is separated from the end of the cable and stops.
In the above embodiment, the PE insulation is split by using the mutual approaching of the stripping knives 121, and the PE insulation is stripped from the inner core by pulling the longitudinal driving assembly 130, so that the damage to the cable inner core is avoided, and on the other hand, compared with the rotary cutting in the prior art, the structure is simple and the cutting efficiency of the PE insulation is improved.
Specifically, as shown in fig. 2, the swing mechanism 113 includes two rotating shafts 1131 arranged in parallel, a swing arm 1132 provided at one end of the rotating shaft 1131, a transmission arm 1133 provided at the other end of the rotating shaft 1131, a driving block 1134 provided between the two transmission arms 1133, and a cylinder 1135 for driving the driving block 1134 to move back and forth;
the swing arm 1132 is perpendicular to the axial direction of the rotating shaft 1131, and a straight hole is formed in the free end of the swing arm 1132 and is rotatably connected with the clamping jaw 111 through a fastener; the fasteners can be bolts or rivets.
The both sides face towards two driving arms 1133 of driving block 1134 sets up towards the center slope, and when contacting with two driving arms 1133, the distance that the both sides face is close to the one end of two driving arms 1133 is less than the distance of keeping away from two driving arms 1133 one end, and when driving block 1134 back-and-forth movement, driving arm 1133 contacts and drives the rotation of two axis of rotation 1131 with the side of driving block 1134 to drive being close to each other or keeping away from of two clamping jaws 111 of swing arm 1132 drive.
During specific driving, the driving block 1134 is driven to advance through the air cylinder 1135, two side walls of the driving block 1134 are in contact with the driving arms 1133, so that the two driving arms 1133 are opened at a certain angle synchronously, and therefore the rotating shaft 1131 rotates, the rotating shaft 1131 drives the swinging arm 1132 to swing, and the swinging arm 1132 drives the two clamping jaws 111 to approach each other, so that the clamping of the cable is realized; when the cable is released, the cylinder 1135 retracts, and the rotating shaft 1131 rotates reversely due to the gravity of the two transmission arms 1133, so that the cable is released. In order to reduce noise and improve transmission effect, the rotating wheel is arranged at the bottom end of the transmission arm 1133, so that friction force is reduced, and transmission effect is improved.
As shown in fig. 2 and 4, the core stripping assembly 120 includes a transverse driving mechanism 123 including two oppositely disposed sliding blocks 1231, a moving block 1232 having two oppositely inclined slots, and a motor screw assembly 1233 for driving the moving block 1232 to move back and forth;
the sliding block 1231 and the moving block 1232 are arranged in parallel, the sliding block 1231 is fixed with a fixed column arranged in a slot, when the moving block 1232 moves back and forth, the fixed column drives the two sliding blocks 1231 to be close to or far away from each other under the driving of the slot, and the peeling knife 121 is fixed at the end of the sliding block 1231.
During specific driving, the moving block 1232 moves forwards through driving of the motor screw rod assembly 1233, and then due to the two splayed slotted holes formed in the moving block 1232, bolts or rivets connected with the two sliding blocks 1231 are synchronously extruded towards the middle in the two slotted holes, so that the two sliding blocks 1231 are close to each other, and the stripping knives 121 fixed at the ends of the sliding blocks 1231 are close to each other to realize the stripping effect on the PE inner core.
In order to limit the length of the cable end extending into the stripping core assembly 120, so that the length of each stripping core is the same, the embodiment of the invention further comprises a zero point positioning 141 mechanism 140, wherein the zero point positioning 141 mechanism 140 comprises a zero point positioning 141 rod, a connecting piece 142 and a positioning driving piece;
the zero point positioning 141 rod is arranged between the two sliding blocks 1231, the axial center line of the zero point positioning 141 rod is on the same straight line with the convergence centers of the two clamping jaws 111 and the stripping knife 121, and when the cable extends to the middle of the two clamping jaws 111, the end part of the cable is contacted with the end part of the zero point positioning 141 rod;
the positioning driving member is connected with the connecting member 142, the connecting member 142 is connected with the zero point positioning 141 rod, and the positioning driving member drives the zero point positioning 141 rod to move along the axial direction of the rod so as to adjust the length of the cable extending into the peeling knife 121.
In the above embodiment, the limit of the length of the rod extending into the stripping core assembly 120 is realized by the abutting of the end of the zero point positioning 141, and when the length of the cable end extending into the stripping core assembly needs to be adjusted, only the positioning driving member is used to drive the distance between the zero point positioning 141 and the stripping knife 121, where the positioning driving member may be a screw rod assembly, an air cylinder 1135 or a hydraulic cylinder.
In the above embodiment, only the stripping of the inner core of the coaxial cable is realized, in the end processing of the Fakra connector, a series of operations of peeling the cable, sleeving the press ring, folding the shielding net, stripping the aluminum foil paper, crimping the inner ring, smoothing the shielding wire, and crimping the outer ring are further required, wherein the inner core stripping step is arranged between the stripping aluminum foil paper and the crimping inner ring, in order to improve the end processing efficiency of the coaxial cable, the invention further provides a Fakra connector end processing device, as shown in fig. 6 to 10, the device comprises a support 200, a cable processing module 300, a cable pushing device 400, and a cable transferring mechanism 500, wherein:
the rack 200 is primarily for its support function, and the stations in the cable management module 300 are arranged in sequence along the length of the rack 200, with each station having a separate function as described above.
As shown in fig. 7, the cable processing module 300 is sequentially provided with a stripping device 310, a copper ring crimping device 320, a shielding wire turning device, an aluminum foil removing device 340, a Fakra connector cable core stripping device 100, a central conductor crimping device, a shielding wire trimming device 360 and an outer conductor pressing device 370 from right to left along the length direction of the bracket 200;
the cable pushing device 400 is provided with a plurality of devices, each device is arranged at the front end of the cable processing module 300 and used for lifting and pushing cables; that is, a cable pushing device 400 as shown in fig. 8 is provided at the front end of the peeling device 310, the copper ring crimping device 320, and the like, so as to extend the cable into the device for processing.
As shown in fig. 9, the cable transferring mechanism 500 includes a conveyor belt assembly 510 and linked air claws evenly spaced on the conveyor belt, and the cable transferring mechanism 500 reciprocates along the length direction of the bracket 200 to drive the cables clamped on the linked air claws to be sequentially transmitted to the cable pushing mechanism on the cable processing module 300.
The processing technology of the equipment comprises the following steps:
placing the cable on the linkage pneumatic claw of the cable transfer mechanism 500;
the pneumatic claw is driven to move to the peeling device 310, the cable pushing device 400 in front of the peeling device 310 is driven to push the cable into the peeling device 310 to peel the outer insulating skin, and meanwhile, the linkage pneumatic claw in front of the non-peeled skin is clamped to reset;
after peeling, the cable pushing device 400 moves the cable to the linkage air claw in front of the peeling device 310, and the cable transferring mechanism 500 moves the peeled cable to the copper ring crimping device 320 for copper ring crimping;
after the copper ring is pressed, moving the cable to a shield wire turning device for turning over the shielding net;
after the shielding net is turned over, the cable is moved to the aluminum foil removing device 340 to peel the aluminum foil;
after the peeling of the aluminum foil paper is finished, moving the cable to the Fakra connector cable core stripping device 100 to strip the PE inner core insulation;
after the insulation of the PE inner core is stripped, the cable is moved to the central guide ring crimping device 350 to crimp the central guide ring on the inner core;
after the central guide ring is pressed, the cable is moved to the shielding wire arranging device 360, and the folded shielding wires are reset;
after the shielding wires are processed, the cable is moved to the outer conductor pressing device 370, and the outer conductor is pressed and connected;
and (5) moving the cable out of the linkage gas claw, and finishing the processing.
Through the automatic operation of the equipment, the automatic processing of the end of the coaxial cable is realized, and the processing efficiency of the cable is further improved.
In the above cable processing operation, the cable transfer mechanism 500 reciprocates between two adjacent devices to perform the synchronous operation of the plural cables.
Specifically, as shown in fig. 8, the cable pushing device 400 includes a cylinder clamping jaw 410, a lifting cylinder 420, a screw rod structure 430 and a driving mechanism 440;
the lifting cylinder 420 is connected with the bottom of the cylinder clamping jaw 410, the screw rod structure 430 is connected with the lifting cylinder 420 to drive the cylinder clamping jaw 410 to move linearly, and the driving mechanism 440 is connected with the screw rod structure 430.
The plurality of linkage air claws on the cable transfer mechanism 500 are arranged opposite to the air cylinder clamping jaws 410, when one linkage air claw moves to the corresponding air cylinder clamping jaw 410, the air cylinder clamping jaw 410 clamps the cable, the cable ascends under the driving of the lifting air cylinder 420 and moves towards the direction close to the cable processing module 300, and the linkage air claw returns to the original position under the driving of the conveyor belt component 510. Through the arrangement, a plurality of cables are processed on the equipment at the same time, and the processing efficiency of the cables is further improved.
In the following embodiments of the present invention, each of the above-described cable processing apparatuses will be described in detail to enhance understanding of the present apparatus.
As shown in fig. 9 and 10, which are schematic structural diagrams of the peeling device 310 and the aluminum foil removing device 340, as shown in fig. 10, after the cable is fixed, two opposite rotating cutters are arranged inside the cable, the outer insulating skin or the aluminum foil of the cable is cut off by approaching and rotating the two cutters, then the cutters are not moved, and the insulating skin or the aluminum foil is peeled off by moving the cable back.
As shown in fig. 11 and 12, there are schematic structural diagrams of the copper ring crimping device 320, the center conductor crimping device and the outer conductor crimping device 370, which only differ from the crimping terminal in that, when crimping is performed, the cable end is firstly inserted into the crimping terminal, and then each terminal is fixed on the cable by crimping of the upper crimping head.
As shown in fig. 13 and 14, the shielding mesh turning device 330 includes turning blades and turning tubes, when turning is specifically performed, the opening ends of the shielding mesh are opened by approaching the two turning blades, and then the cable is driven to move towards the turning tubes, the inner diameters of the turning tubes are the outer diameters of the cables inside the shielding mesh, and in the moving process, the shielding mesh is turned over by 180 degrees, so that the turning of the shielding mesh is realized.
As shown in fig. 15, the shielding wire device 360 includes two wire fixing plates with arc-shaped inner cavities, which are close to each other and fixed at the folded shielding tail ends to prevent the shielding net from further spreading; the two idler wheels are driven by a motor, and after the folded shielding net extends into the middle of the idler wheels, the idler wheels synchronously and relatively move, so that the folded shielding net is straightened by the breaking brush, and the outer conductor can be conveniently crimped on the next step.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.