CN113745926B - Swing link mechanism and tubular terminal crimping machine - Google Patents
Swing link mechanism and tubular terminal crimping machine Download PDFInfo
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- CN113745926B CN113745926B CN202111040073.XA CN202111040073A CN113745926B CN 113745926 B CN113745926 B CN 113745926B CN 202111040073 A CN202111040073 A CN 202111040073A CN 113745926 B CN113745926 B CN 113745926B
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- 230000007246 mechanism Effects 0.000 title claims abstract description 68
- 238000002788 crimping Methods 0.000 title claims abstract description 67
- 238000010008 shearing Methods 0.000 claims description 9
- 230000008859 change Effects 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000009413 insulation Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000035515 penetration Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000010985 leather Substances 0.000 description 2
- 244000208734 Pisonia aculeata Species 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/04—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
- H01R43/048—Crimping apparatus or processes
- H01R43/05—Crimping apparatus or processes with wire-insulation stripping
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/04—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
- H01R43/048—Crimping apparatus or processes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/04—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
- H01R43/048—Crimping apparatus or processes
- H01R43/055—Crimping apparatus or processes with contact member feeding mechanism
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/82—Recycling of waste of electrical or electronic equipment [WEEE]
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Manufacturing Of Electrical Connectors (AREA)
Abstract
The invention relates to the technical field of cable processing, in particular to a swinging connecting rod mechanism and a tubular terminal crimping machine, wherein the swinging connecting rod mechanism comprises: a stripping assembly movably disposed in a linear direction approaching or separating from the end of the cable to be fixed; the swing rod assembly comprises a swing arm, one end of the swing arm is rotationally connected with the peeling assembly, the middle part of the swing arm is pivoted, and when the peeling assembly moves linearly, the other end of the swing arm is driven to swing; the terminal clamping assembly comprises a terminal fixing assembly and a fixing arm, the fixing arm is fixedly connected with the other end of the swing arm, and the fixing assembly is vertically arranged with the fixing arm; when the peeling assembly is far away from the end of the fixed cable, the swing arm drives the terminal clamping assembly to rotate, so that the terminal fixing assembly rotates to a position close to the end of the cable, and the central axis of the tubular terminal is collinear with the central axis of the cable. According to the invention, the terminal clamping assembly is driven to move while peeling, and when the peeling is finished, the terminal is sent to the end part of the cable, so that the crimping efficiency of the external terminal is improved.
Description
Technical Field
The invention relates to the technical field of cable processing, in particular to a swinging connecting rod mechanism and a tubular terminal crimping machine.
Background
The tubular terminal is also called a tubular cold-pressing end, has the main function of electric conduction and is an accessory product for realizing electric connection; currently, when terminal crimping is performed on wire ends, two process steps are generally divided: 1. stripping a certain length of insulating sheath from the end of the wire; 2. the terminal to be crimped is sleeved at the end of the wire rod, and the terminal and the part of the wire rod, which is not covered by the insulating sheath, are crimped together through crimping action. In the processing process, the insulating leather at the end part of the cable can realize automatic peeling, however, the action of sleeving the terminal at the end part of the cable is mostly manual operation, and the processing efficiency is low;
in the related art, in order to solve the above-mentioned problem, a terminal clamping cylinder is used to fix a tubular terminal, then the end face of the terminal is pushed by a rotating cylinder to rotate 90 degrees, so that the terminal is aligned with a cable, and finally the terminal is pushed or the cable is embedded, and then the final crimping is performed;
however, the terminal crimping can be performed after the wire stripping treatment is completed, and the driving cost of the device is increased while the control complexity is improved due to more driving mechanisms.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art that is known to a person skilled in the art.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: provided are a swing link mechanism and a tubular terminal crimping machine, which improve the crimping efficiency of a tubular terminal.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
in a first aspect, the present invention provides a swing link mechanism provided in a tubular terminal crimping machine, comprising:
the peeling assembly is movably arranged along a linear direction close to or far from the fixed cable end and is used for cutting and peeling the insulating cover at the cable end;
the swing rod assembly comprises a swing arm, one end of the swing arm is rotationally connected with the peeling assembly, the middle part of the swing arm is pivoted, and when the peeling assembly moves linearly, the other end of the swing arm is driven to swing;
the terminal clamping assembly comprises a terminal fixing assembly and a fixing arm, the fixing arm is fixedly connected with the other end of the swing arm, and the fixing assembly is perpendicular to the fixing arm;
when the peeling assembly is far away from the end of the cable to be fixed, the swing arm drives the terminal clamping assembly to rotate, so that the terminal fixing assembly rotates to a position close to the end of the cable, and the central axis of the tubular terminal is collinear with the central axis of the cable.
Further, the fixing arm is further provided with a first driving piece, the driving end of the first driving piece is connected with the terminal fixing assembly, the first driving piece drives the terminal fixing assembly to be close to the end of the peeled rear-end cable, and the tubular terminal on the terminal fixing assembly penetrates into the cable.
Further, the fixed arm is further rotatably provided with an adjusting block, the adjusting block is arranged on the driving path of the first driving piece, the thickness of the adjusting block is gradually changed, and the adjusting block is rotatably arranged to change the contact position of the end part of the first driving piece and the adjusting block.
Further, the terminal fixing assembly comprises a fixing plate vertically connected with the fixing arm, two second driving parts fixed on the fixing plate and oppositely arranged, a wire clamping frame arranged between the two second driving parts, and push blocks relatively arranged on the wire clamping frame in a sliding manner, wherein the two push blocks are respectively connected with the two second driving parts and used for driving the two push blocks to approach or depart from each other.
Further, the wire clamping frame is detachably fixed on the fixing plate.
Further, the bottom of the wire clamping frame is provided with a fixing groove, the top of the wire clamping frame is provided with a connecting piece connected with the fixing plate, the push block is provided with a slot connected with the second driving piece, and the side surface of the wire clamping frame, facing to one side of the fixing plate, is provided with a rod penetrating groove corresponding to the slot.
Further, the peeling assembly comprises a peeling cutter head, a cutter blade driving structure for driving the cutter blades on the peeling cutter head to be close to or far away from each other, a rotary driving piece for driving the peeling cutter head to rotate, and a third driving piece for driving the cutter head to be close to or far away from the end part of the wire.
In a second aspect, the present invention also provides a tubular terminal crimping machine comprising:
a support frame;
the wire clamping mechanism is fixed on one side of the supporting frame and used for clamping and fixing the cable;
the swing link mechanism according to the first aspect, further having a press-fit assembly thereon, the press-fit assembly being disposed inside the terminal fixing assembly;
the crimping driving mechanism is fixed on the supporting frame;
the feeding mechanism is arranged at the top of the supporting frame and comprises a vibration disc and a feeding pipe, and the tubular terminal is transmitted into the feeding pipe from the vibration disc;
when the peeling assembly in the swinging connecting rod mechanism does not move, the clamping center of the terminal fixing assembly corresponds to the bottom end of the feeding pipe, and when the terminal fixing assembly rotates to a position close to the end of the cable, the crimping driving mechanism corresponds to the crimping assembly.
Further, the crimping driving mechanism comprises a fourth driving piece and a guide block, and the crimping assembly comprises at least three crimping blocks which are rotatably arranged, two shearing arms which drive the crimping blocks to rotate, guide wheels which are arranged at the end parts of the two shearing arms and a tension spring which is connected with the two shearing arms;
the guide blocks are contacted with the two guide wheels, the guide surfaces of the guide blocks are arranged in an arc line, and when the guide blocks are contacted with the guide wheels, the opening angles of the two shearing arms become larger so as to drive the crimping blocks to change in the same direction, so that the free ends of the crimping blocks gather towards the center.
Further, still have pay-off adjustment mechanism between vibration dish and the conveying pipe, pay-off adjustment mechanism includes first deflector, second deflector and adjusting screw, first deflector is fixed on the vibration dish, the activity of second deflector sets up, constitute between first deflector and the second deflector with the feed channel of conveying pipe intercommunication, adjusting screw rotates to be connected on the first deflector, and with the second deflector meshing is used for adjusting the interval of feed channel.
The beneficial effects of the invention are as follows: according to the invention, the peeling assembly is connected with the terminal clamping assembly through the swing rod assembly, when the peeling assembly retreats to peel, the terminal clamping assembly is driven to move to the end part of the cable, through the arrangement, on one hand, a driving mechanism for driving the terminal is saved, driving cost is saved, on the other hand, the terminal clamping assembly is driven to move while peeling, and when the terminal is sent to the end part of the cable after peeling is finished, compared with the scheme of driving the terminal after peeling is finished in the prior art, the time for crimping the terminal is shortened, and the crimping efficiency of the external terminal is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.
FIG. 1 is a schematic diagram of a swing link mechanism according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the structure of the swing link mechanism at the end of peeling in accordance with the embodiment of the present invention;
fig. 3 is a front view of a terminal clamping assembly according to an embodiment of the present invention;
FIG. 4 is a schematic view of a structure in which a swing link mechanism is sleeved with a tubular terminal according to an embodiment of the present invention;
fig. 5 is a schematic perspective view of a terminal clamping assembly according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a wire clamping frame according to an embodiment of the present invention;
FIG. 7 is a schematic view of a peeling assembly according to an embodiment of the present invention;
fig. 8 is a schematic view showing the overall structure of a tubular terminal crimping machine in an embodiment of the present invention;
fig. 9 is a schematic view showing an internal structure of a tubular terminal crimping machine in an embodiment of the present invention;
FIG. 10 is a schematic view of a press-fit assembly according to an embodiment of the present invention;
FIG. 11 is a schematic diagram of a press-fit assembly and a swing link mechanism according to an embodiment of the present invention;
FIG. 12 is a schematic view of the structure of the press-fit block according to the embodiment of the present invention when the press-fit block is opened;
FIG. 13 is a schematic view of a structure of a press-fit block according to an embodiment of the present invention;
fig. 14 is a schematic structural view of a label peeling mechanism according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
It will be understood that when an element is referred to as being "fixed 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 are used herein for illustrative purposes only and are not meant to be the only 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. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
The swing link mechanism as shown in fig. 1 to 7 includes a peeling assembly 10, a swing link assembly 20, and a terminal clamping assembly 30, wherein:
the stripping assembly 10 is movably arranged along a linear direction close to or far away from the fixed cable end and is used for cutting and stripping the insulation cover at the cable end; as shown in fig. 1, after the cable is clamped and fixed, the stripping assembly 10 firstly cuts off the insulation cover on the cable and then pulls the cut insulation cover to move towards the direction away from the cable, thereby realizing the stripping action of the cable; the dehider assembly 10 is of a construction commonly used in the art, and the specific construction thereof will not be described in detail herein;
the swing rod assembly 20 comprises a swing arm 21, one end of the swing arm 21 is rotationally connected with the peeling assembly 10, the middle part of the swing arm 21 is pivoted, and when the peeling assembly 10 moves linearly, the other end of the swing arm 21 is driven to swing; referring to fig. 1 and 2, during the process of moving the peeling assembly 10 toward the far cable end, the swing arm 21 rotates in a counterclockwise direction, wherein the middle pivot of the swing arm 21 means to rotate around the middle rotation shaft;
the terminal clamping assembly 30 comprises a terminal fixing assembly 31 and a fixing arm 32, the fixing arm 32 is fixedly connected with the other end of the swing arm 21, and the fixing assembly is perpendicular to the fixing arm 32; as shown in fig. 3, the fixing arm 32 and the terminal fixing assembly 31 are provided in an L-shape in a top view, and the terminal fixing assembly 31 is perpendicular to the fixing arm 32 in that the terminal fixing assembly 31 is at an end of the cable stripped of the insulation cover when the fixing arm 32 swings to be parallel to the stripping assembly 10; that is, when the stripping assembly 10 is away from the fixed cable end, the swing arm 21 drives the terminal clamping assembly 30 to rotate, so that the terminal fixing assembly 31 rotates to a position close to the cable end, and the central axis of the tubular terminal is collinear with the central axis of the cable.
In a specific implementation, when the outer insulating sheath is peeled off and the terminal fixing assembly 31 is already facing the cable end, the cable end is led to extend into the tubular terminal by external driving or internal driving, and then crimping is performed to finish the crimping process of the terminal;
in the above embodiment, the peeling assembly 10 is connected with the terminal clamping assembly 30 through the swing rod assembly 20, when the peeling assembly 10 retreats to peel, the terminal clamping assembly 30 is driven to move to the cable end, through the above arrangement, on one hand, the driving mechanism for driving the terminal is saved, and on the other hand, the driving cost is saved, and on the other hand, the terminal clamping assembly 30 is driven to move while peeling, when the terminal is sent to the cable end after peeling is finished, compared with the scheme of driving the terminal after peeling is finished in the prior art, the time for crimping the terminal is shortened, and the crimping efficiency of the external terminal is improved.
Further, in order to improve the automation degree of terminal end crimping and improve the fixing reliability of the cable, in the embodiment of the present invention, as shown in fig. 3 and 4, the fixing arm 32 is further provided with a first driving member 33, the driving end of the first driving member 33 is connected with the terminal fixing assembly 31, and the first driving member 33 drives the terminal fixing assembly 31 to be close to the end of the cable at the peeled back end, so that the tubular terminal on the terminal fixing assembly 31 penetrates into the cable. It is to be noted here that the first to fourth driving members 61a in the embodiment of the present invention may be provided as a linear driving mechanism common in the art such as a cylinder or a hydraulic cylinder or a motor screw structure, and the specific structure thereof will not be described repeatedly hereinafter. By the arrangement of the first driving member 33, automatic penetration of the tubular terminal is realized, and the crimping efficiency is further improved.
In a preferred embodiment of the present invention, since there are different demands on the depth of penetration of the pipe-shaped crimp terminal into the cable, in order to meet the demands, as shown in fig. 5, the fixed arm 32 is further rotatably provided with an adjusting block 34, the adjusting block 34 is provided on the driving path of the first driving member 33, the thickness of the adjusting block 34 is gradually changed, and the adjusting block 34 is rotatably provided to change the position where the end of the first driving member 33 contacts the adjusting block 34. Specifically, the adjusting block 34 is set to a quarter-circle structure, the thickness of the side wall facing the first driving piece 33 is gradually changed, the thinnest part is 2.5mm, the thickest part is 4mm, when the depth of penetrating into the filling terminal is required to be larger, the adjusting block 34 is adjusted to a position with thinner thickness, so that the position where the first driving piece 33 contacts with the adjusting block 34 is closer to the cable end, and otherwise, the position is far away from the cable end; the requirements of different penetration depths of the tubular terminals are met through the arrangement, and the applicability of the device is improved.
With reference to fig. 5 for the specific structure of the terminal fixing assembly 31, in the embodiment of the invention, the terminal fixing assembly 31 includes a fixing plate 31a vertically connected to the fixing arm 32, two second driving members 31b fixed on the fixing plate 31a and disposed opposite to each other, a wire clamping frame 31c disposed between the two second driving members 31b, and a pushing block 31d disposed on the wire clamping frame 31c in a sliding manner, wherein the two pushing blocks 31d are respectively connected to the two second driving members 31b for driving the two pushing blocks 31d to approach or separate from each other. The opposite surfaces of the two pushing blocks 31d are provided with terminal clamping grooves, the distance between the two clamping grooves is larger than that of the tubular terminal to be clamped before the terminal is clamped, so that the tubular terminal can fall smoothly, and after the tubular terminal falls into the terminal clamping grooves, the two second driving pieces 31b drive the two pushing blocks 31d to be close to each other, so that the fixation of the tubular terminal is realized.
Further, in the embodiment of the present invention, in order to clamp the tubular terminals of different models conveniently, the wire clamping frame 31c is detachably fixed to the fixing plate 31 a. As shown in fig. 6, the wire clamping frame 31c has a fixing groove 31c1 at the bottom, a connecting piece 31c2 connected to the fixing plate 31a is provided at the top, a slot 31d1 connected to the second driving piece 31b is provided on the push block 31d, and a rod penetrating groove 31c3 corresponding to the slot 31d1 is provided on the side of the wire clamping frame 31c facing the fixing plate 31 a. It should be noted that, the connecting piece 31c2 is in a structure of a sheet-shaped band with a connecting hole, the top of the wire clamping frame 31c is connected with the top of the fixing plate 31a through the connecting piece 31c2, when the wire clamping frame 31c is specifically detached, only the connecting piece 31c2 needs to be detached, and then the fixing groove 31c1 at the bottom of the wire clamping frame 31c is used as a rotation center to apply force outwards, so that the end of the second driving piece 31b can be removed from the slot 31d1 of the pushing block 31 d. Through the arrangement, the wire clamping frame 31c is convenient to detach and fix, and the applicability of the device is improved.
As shown in fig. 7, in a preferred embodiment of the present invention, the stripping assembly 10 includes a stripping blade head 11, a blade drive structure 12 for driving blades on the stripping blade head 11 toward and away from each other, a rotary drive member 13 for driving the stripping blade head 11 in rotation, and a third drive member 14 for driving the blade head toward and away from the cable end. When peeling is specifically performed, the peeling cutter head 11 firstly stretches into a cable, then the cutter blade driving structure 12 drives the two cutter blades to be close to each other, and then the insulation leather is cut off through rotation of the rotation driving piece 13, so that the internal lead is not damaged in a rotation cutting mode, and the quality of a product is improved; after cutting off, the cable is clamped by the cable clamping claw on the cutting and stripping tool bit 11, and the third driving piece 14 drives the whole mechanism to retreat, so that the insulating skin of the cable is stripped; it should be noted that the peeling assembly 10 is a preferred embodiment of the present invention, and other peeling assemblies 10 that are known to achieve peeling by means of a pull-back mechanism, such as the above-mentioned swing-bar mechanism, are also included in the protection scope of the present invention.
The embodiment of the present invention also provides a tubular terminal crimping machine as shown in fig. 8 to 14, comprising a support frame 40, a wire clamping mechanism 50, the above-described swing link mechanism, a crimping drive mechanism 61 and a feeding mechanism 70, wherein:
the support frame 40 is used for supporting the whole device, the inside is used for placing various mechanisms, and the outside is used for fixing the shell;
the wire clamping mechanism 50 is fixed on one side of the supporting frame 40 and is used for clamping and fixing the cable; as shown in fig. 9, the wire clamping mechanism 50 is disposed at the bottom of the front side of the support frame 40, and the clamping mechanism 50 can be realized by pushing the two clamping arms to approach each other through an air cylinder, and it should be noted that other structures such as a clamping jaw air cylinder can be adopted for the wire clamping mechanism 50.
The swing link mechanism is disposed opposite to the wire clamping mechanism 50, and as shown in fig. 10, the swing link mechanism further has a press-connection assembly 60 thereon, the press-connection assembly 60 being disposed inside the terminal fixing assembly 31; it should be noted that, in the embodiment of the present invention, when the tubular crimp terminal penetrates into the cable, the front end close to the cable is the guiding end, and the rear end is the crimp end, and in the embodiment of the present invention, the crimp assembly 60 is disposed inside the terminal fixing assembly 31, so that when the tubular terminal is fixed, the crimp end of the tubular crimp terminal is already inside the crimp assembly 60, and by this arrangement, seamless transition between the penetrating cable and the terminal crimp is realized, and further, the crimp efficiency and accuracy are improved.
The crimping drive mechanism 61 is fixed to the support frame 40; the weight of the swinging link mechanism can be reduced by the arrangement, and the service life of the swinging link mechanism is prolonged;
a feeding mechanism 70 provided on the top of the support frame 40, including a vibration plate 71 and a feeding pipe 72, and a tubular terminal is transferred from the vibration plate 71 into the feeding pipe 72; the vibration plate 71 is the prior art, and will not be described in detail here, the tubular terminals are conveyed to the terminal fixing assembly 31 one by one through the vibration plate 71 and the feeding pipe 72, so that automatic feeding is realized, and the crimping efficiency is improved;
specifically, referring to fig. 1 and 2, when the peeling assembly 10 in the swing link mechanism is not moved, the clamping center of the terminal fixing assembly 31 corresponds to the bottom end of the feeding tube 72, and when the terminal fixing assembly 31 rotates to a position close to the end of the cable, the crimping driving mechanism 61 corresponds to the crimping assembly 60. That is, when not peeled, the fixing arm 32 is vertically arranged and communicated with the feeding pipe 72, and after peeling is finished, the fixing arm 32 is horizontally arranged, and the terminal fixing assembly 31 corresponds to the end part of the cable;
it should be noted that the cutting and stripping head 11 in the embodiment of the present invention has a distance sensor inside, and as shown in fig. 7, the cutting and stripping head 11 is not activated until the length of the inserted cable reaches a predetermined length; referring to fig. 9 to 11, in the embodiment of the present invention, when a terminal is specifically crimped, a cable is first inserted into the cable clamping mechanism 50 during crimping of the cable, and when the length of the inserted cable reaches a set value, the cable clamping mechanism 50 acts to fix the cable; then the vibration disc 71 acts to convey the tubular terminal to the terminal fixing assembly 31 for internal fixation through the feeding pipe 72, the peeling assembly 10 starts to act to drop the insulation skin of the cable, meanwhile, the terminal clamping assembly 30 moves to the end of the cable under the drive of the swing arm 21, the terminal fixing assembly 31 is driven towards the end of the cable by the first driving piece 33, the cable wire of the separated insulation skin penetrates into the tubular terminal, and finally the terminal crimping assembly 60 is driven by the crimping driving mechanism 61 to act to fix the tubular terminal on the cable, so that crimping of the tubular terminal is completed.
As shown in fig. 12 and 13, regarding the crimping assembly 60, the crimping drive mechanism 61 includes a fourth drive piece 61a and a guide piece 61b, the guide piece 61b to which the fourth drive piece 61a is connected being transferred in a straight line direction, so that the guide piece 61b drives the action of the crimping assembly 60; the crimping assembly 60 comprises at least three crimping blocks 62 which are rotatably arranged, two shearing arms 63 which drive the crimping blocks 62 to rotate, guide wheels 64 which are arranged at the end parts of the two shearing arms 63 and a tension spring 65 which connects the two shearing arms 63; as shown in fig. 12, one end of the shear arm 63 is in a circular ring structure, the guide block 61b is arranged inside the circular ring structure, a groove which is buckled with one end of the crimping block 62 is formed in the circular ring structure, when the shear arm 63 is driven to rotate, the circular ring structure drives the crimping block 62 to rotate, and crimping at the central position is realized through the rotation of the crimping block 62;
specifically, the guide block 61b contacts with the two guide wheels 64, and the guide surfaces of the guide block 61b are in an arc arrangement, wherein the arc is that the arc distance between the two side surfaces of the guide block 61b close to the guide wheels 64 is gradually increased toward the direction away from the guide wheels 64, and when the guide block 61b contacts with the guide wheels 64 and moves toward the inner side of the guide wheels 64, the opening angle of the two shearing arms 63 is increased to drive the crimp block 62 to change in the same direction, so that the free ends of the crimp block 62 gather toward the center. After the crimping is completed, the two shear arms 63 are drawn close to each other due to the elasticity of the tension spring 65, so that the pressure relief of the clamping part is realized.
As shown in fig. 14, in the embodiment of the present invention, the feeding mechanism 70 is further adjusted to realize the terminal end delivery of different types, specifically, a feeding adjusting mechanism 73 is further provided between the vibration plate 71 and the feeding pipe 72, the feeding adjusting mechanism 73 includes a first guide plate 73a, a second guide plate 73b and an adjusting screw 73c, the first guide plate 73a is fixed on the vibration plate 71, the second guide plate 73b is movably disposed, a feeding channel communicating with the feeding pipe 73 is formed between the first guide plate 73a and the second guide plate 73b, and the adjusting screw 73c is rotatably connected to the first guide plate 73a and is meshed with the second guide plate 73b to adjust the distance between the feeding channels. The distance between the first guide plate 73a and the second guide plate 73b is changed through the adjusting screw 73c, so that the distance between the feeding channels for conveying the tubular terminals is changed, and conveying of different crimping terminals is realized. It should be noted that the adjusting screw 73c is only one of these ways, and other ways of achieving the above function are also possible.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A swing link mechanism provided in a tubular terminal crimping machine, comprising:
the peeling assembly is movably arranged along a linear direction close to or far from the fixed cable end and is used for cutting and peeling the insulating cover at the cable end;
the swing rod assembly comprises a swing arm, one end of the swing arm is rotationally connected with the peeling assembly, the middle part of the swing arm is pivoted, and when the peeling assembly moves linearly, the other end of the swing arm is driven to swing;
the terminal clamping assembly comprises a terminal fixing assembly and a fixing arm, the fixing arm is fixedly connected with the other end of the swing arm, and the fixing assembly is perpendicular to the fixing arm;
when the peeling assembly is far away from the end of the cable to be fixed, the swing arm drives the terminal clamping assembly to rotate, so that the terminal fixing assembly rotates to a position close to the end of the cable, and the central axis of the tubular terminal is collinear with the central axis of the cable.
2. The swing link mechanism according to claim 1, wherein said stationary arm further has a first drive member thereon, said drive end of said first drive member being connected to said terminal-securing assembly, said first drive member driving said terminal-securing assembly adjacent the stripped rear cable end such that the tubular terminal on the terminal-securing assembly penetrates into the cable.
3. The swing link mechanism according to claim 2, wherein said fixed arm is further rotatably provided with an adjustment block provided on a drive path of said first driving member, said adjustment block being provided in a thickness gradient, said adjustment block being rotatably provided for changing a position where an end of said first driving member contacts said adjustment block.
4. The swing link mechanism according to claim 1, wherein said terminal fixing assembly comprises a fixing plate vertically connected to said fixing arm, two second driving members fixed to said fixing plate and disposed opposite to each other, a wire clamping frame disposed between said two second driving members, and push blocks disposed on said wire clamping frame in a sliding manner relative to each other, wherein said push blocks are respectively connected to said two second driving members for driving said push blocks toward or away from each other.
5. The swing link according to claim 4, wherein said wire clamping frame is removably secured to said fixed plate.
6. The swing link mechanism according to claim 5, wherein the wire clamping frame has a fixing groove at the bottom and a connecting piece connected with the fixing plate at the top, the push block has a slot connected with the second driving piece, and the wire clamping frame has a rod penetrating groove corresponding to the slot on the side facing the fixing plate.
7. The oscillating linkage mechanism of claim 1, wherein the stripping assembly comprises a stripping blade head, a blade drive structure for driving blades on the stripping blade head toward and away from each other, a rotary drive for driving the stripping blade head in rotation, and a third drive for driving the blade head toward and away from the cable end.
8. A tubular terminal crimping machine, characterized by comprising:
a support frame;
the wire clamping mechanism is fixed on one side of the supporting frame and used for clamping and fixing the cable;
the swing link of any one of claims 1 to 7, further having a crimp assembly thereon, the crimp assembly being disposed inside the terminal-securing assembly;
the crimping driving mechanism is fixed on the supporting frame;
the feeding mechanism is arranged at the top of the supporting frame and comprises a vibration disc and a feeding pipe, and the tubular terminal is transmitted into the feeding pipe from the vibration disc;
when the peeling assembly in the swinging connecting rod mechanism does not move, the clamping center of the terminal fixing assembly corresponds to the bottom end of the feeding pipe, and when the terminal fixing assembly rotates to a position close to the end of the cable, the crimping driving mechanism corresponds to the crimping assembly.
9. The tubular terminal crimping machine according to claim 8, wherein the crimping drive mechanism includes a fourth drive member and a guide block, the crimping assembly includes at least three crimping blocks rotatably provided, two shear arms for driving the crimping blocks to rotate, guide wheels provided at ends of the two shear arms, and a tension spring for connecting the two shear arms;
the guide blocks are contacted with the two guide wheels, the guide surfaces of the guide blocks are arranged in an arc line, and when the guide blocks are contacted with the guide wheels, the opening angles of the two shearing arms become larger so as to drive the crimping blocks to change in the same direction, so that the free ends of the crimping blocks gather towards the center.
10. The tubular terminal crimping machine according to claim 8, wherein a feeding adjusting mechanism is further provided between the vibration plate and the feeding pipe, the feeding adjusting mechanism comprises a first guide plate, a second guide plate and an adjusting screw, the first guide plate is fixed on the vibration plate, the second guide plate is movably arranged, a feeding channel communicated with the feeding pipe is formed between the first guide plate and the second guide plate, and the adjusting screw is rotatably connected to the first guide plate and meshed with the second guide plate to adjust the distance between the feeding channels.
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| CN202111040073.XA CN113745926B (en) | 2021-09-06 | 2021-09-06 | Swing link mechanism and tubular terminal crimping machine |
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| CN202111040073.XA CN113745926B (en) | 2021-09-06 | 2021-09-06 | Swing link mechanism and tubular terminal crimping machine |
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| CN113745926B true CN113745926B (en) | 2024-02-13 |
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Also Published As
| Publication number | Publication date |
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| CN113745926A (en) | 2021-12-03 |
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