CN113258399A - Wire crimping device and method - Google Patents
Wire crimping device and method Download PDFInfo
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- CN113258399A CN113258399A CN202110792387.9A CN202110792387A CN113258399A CN 113258399 A CN113258399 A CN 113258399A CN 202110792387 A CN202110792387 A CN 202110792387A CN 113258399 A CN113258399 A CN 113258399A
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- 238000002788 crimping Methods 0.000 title claims abstract description 100
- 238000000034 method Methods 0.000 title claims description 18
- 238000010438 heat treatment Methods 0.000 claims abstract description 85
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 238000010586 diagram Methods 0.000 description 7
- 238000007906 compression Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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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
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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
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- Manufacturing Of Electrical Connectors (AREA)
Abstract
The device comprises a supporting main body, a die cover, a die, an eddy current heating curved plate, a hydraulic cylinder and a hanging beam, wherein the die is controlled to be closed and separated by the hydraulic cylinder on the supporting main body to realize the crimping of the wire to be crimped; the hydraulic pressure mode is simple, and the crimping quality is better, and the threaded connection rod and the locking buckle that connect through the hanging beam are fixed treats the crimping wire, reduce because treat the crimping wire and the position dislocation of mould lead to the error that the crimping produced, improve the crimping quality.
Description
Technical Field
The invention relates to the technical field of construction of important cross spanning lines, in particular to a wire crimping device and a wire crimping method.
Background
The important cross-over is an overhead transmission line which spans sections such as a high-speed railway, an expressway, a first-level highway, a second-level navigation river, an important overhead transmission line and the like, if a line breaking accident occurs, serious consequences can be caused to a spanned area, casualties or major economic losses can be caused, and therefore parts such as iron towers, hardware fittings, insulators, wires and the like of the important cross-over line are emphasized; the wire and the insulator are connected together by the strain clamp at two ends of the crossing section, the connection part of the wire and the wire is connected by the splicing fitting, and when the strain clamp and the splicing fitting are damaged, the line breakage accident can be caused, so that the safety of the strain clamp and the splicing fitting has important influence on the whole line.
In the prior art, at present, a hydraulic press is mainly used for crimping a wire clamp and a lead at normal temperature to enable the wire clamp and the lead to generate plastic deformation so as to achieve the purpose of connection, as the width of a die is smaller than the crimping width, the wire clamp needs to be crimped for many times, one die is pressed after one die is pressed, the operation is troublesome, and large force is needed for the strain clamp and the lead to generate plastic deformation at normal temperature, so that the requirement on the hydraulic press is high, and the cost is high.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the wire crimping device and the wire crimping method, which have the advantages of simple hydraulic mode, good crimping quality, simplicity and convenience in operation and low cost.
The embodiment of the invention provides a wire crimping device, which comprises: the device comprises a support main body, a mould cover, a mould, an eddy current heating curved plate, a hydraulic cylinder, a hanging beam and a bolt;
the mold comprises a first mold and a second mold; the eddy current heating curved plate comprises a first eddy current heating curved plate and a second eddy current heating curved plate; the hydraulic cylinders comprise a first hydraulic cylinder, two second hydraulic cylinders and a third hydraulic cylinder;
the supporting main body is of a U-shaped structure, convex grooves are formed in two side faces of the mold cover, the mold cover is inserted into the corresponding grooves in the two side faces of the supporting main body through the convex grooves, positioning holes are formed in the grooves in the supporting main body, and the bolts are inserted into the positioning holes to fix the relative positions of the supporting main body and the mold cover;
the first end of the first hydraulic cylinder is arranged at the top of the mould cover, and the second end of the first hydraulic cylinder is connected with the hanging beam;
the first mold is mounted at the bottom of the mold cover;
first ends of the two second hydraulic cylinders are respectively fixed on symmetrical positions of two side surfaces of the supporting main body, and second ends of the two second hydraulic cylinders are respectively connected with the first eddy current heating curved plate and the second eddy current heating curved plate;
the first end of the third hydraulic cylinder is fixed to the top of the bottom surface of the support main body, and the second end of the third hydraulic cylinder is connected with the second die;
the groove on the first die and the groove on the second die are oppositely arranged; the concave surface of the first eddy current heating curved plate and the concave surface of the second eddy current heating curved plate are oppositely arranged, and a wire to be crimped is fixed in the middle of the first die, the second die, the first eddy current heating curved plate and the second eddy current heating curved plate.
As a preferable mode, the device further comprises a threaded connecting rod and a locking buckle;
threaded holes with certain lengths are formed in the two ends of the threaded connecting rod, and the first end of the threaded connecting rod penetrates through the long round hole in the hanging beam and is fixed through a bolt; the second end of the threaded connecting rod is connected with the external thread at the upper end of the locking buckle;
the locking buckle is used for fixing the wire to be crimped.
Further, the locking buckle comprises a left limb, a right limb and a rotating shaft;
the left limb and the right limb are both rotationally connected with the rotating shaft;
the lower ends of the left limb and the right limb are provided with round holes, and the round holes of the left limb and the round holes of the right limb are fixed by inserting fixing bolts.
Preferably, the hydraulic cylinder is a double acting hydraulic cylinder.
Preferably, the shape of the groove on the die is matched with the size of the wire to be crimped.
Preferably, the concave shape of the eddy current heating curved plate is matched with the size of the wire to be crimped, and a spiral heating coil is arranged inside the eddy current heating curved plate.
Preferably, the first hydraulic cylinder is connected to a hydraulic pump through a first control valve, the second hydraulic cylinder is connected to the hydraulic pump through a second control valve, and the third hydraulic cylinder is connected to the hydraulic pump through a third control valve.
According to the wire crimping device provided by the embodiment of the invention, the dies are controlled to be closed and separated through the hydraulic cylinder on the supporting main body, so that the crimping of the wire to be crimped is realized, the wire to be crimped is heated through the eddy current heating bent plate, the heated wire is convenient to crimp, and the performance requirement of a hydraulic press can be reduced; the hydraulic pressure mode is simple, and the crimping quality is better, and the threaded connection rod and the locking buckle that connect through the hanging beam are fixed treats the crimping wire, reduce because treat the crimping wire and the position dislocation of mould lead to the error that the crimping produced, improve the crimping quality.
The embodiment of the invention also provides a wire crimping method, which adopts the wire crimping device in any one of the embodiments, and the method comprises the following steps:
installing the wire crimping device at a wire to be crimped;
stripping a wire to be crimped to expose the steel core, inserting the wire to be crimped into a wire clamp, and integrally fixing the wire to be crimped and the wire clamp on the locking buckle;
starting a hydraulic pump of the hydraulic cylinder, controlling the cylinder body of the second hydraulic cylinder to extend, and driving the eddy current heating coil to enter a closed stroke;
when the eddy current heating curved plate is folded, controlling the eddy current heating curved plate to heat;
after a preset time, controlling the cylinder body of the second hydraulic cylinder to shorten, and driving the eddy current heating coil to retract;
controlling the cylinder body of the first hydraulic cylinder to extend to drive the hanging beam to move upwards until the wire clamp contacts the first die, and controlling the first hydraulic cylinder to stop moving;
controlling the cylinder body of the third hydraulic cylinder to extend, driving the third die to move upwards, and crimping a wire to be crimped;
and when the crimping is finished, controlling the cylinder body of the third hydraulic cylinder to shorten, and taking out the crimped lead.
Preferably, the installing the wire crimping device at the position of the wire to be crimped specifically includes:
and placing the wire to be crimped into the middle position of the support main body, inserting the die cover into the support main body along the groove on the support main body, inserting the bolt into the positioning hole of the support main body, and fixing the die cover.
The device comprises a supporting main body, a die cover, a die, an eddy current heating curved plate, a hydraulic cylinder and a hanging beam, wherein the die is controlled to be closed and separated by the hydraulic cylinder on the supporting main body to realize the crimping of the wire to be crimped; the hydraulic pressure mode is simple, and the crimping quality is better, and the threaded connection rod and the locking buckle that connect through the hanging beam are fixed treats the crimping wire, reduce because treat the crimping wire and the position dislocation of mould lead to the error that the crimping produced, improve the crimping quality.
Drawings
Fig. 1 is a structural perspective view of a wire crimping device provided by an embodiment of the present invention;
fig. 2 is a front view of a structure of a wire crimping apparatus according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a locking buckle of the wire crimping device provided in the embodiment of the present invention;
fig. 4 is a schematic structural diagram of a wire crimping device according to another embodiment of the present invention;
fig. 5 is a schematic structural diagram of a wire crimping device according to an embodiment of the present invention;
fig. 6 is a schematic flow chart of a wire crimping method according to an embodiment of the present invention.
Reference numerals: 1. a support body; 2. a mold cover; 3. a first mold; 4. a first eddy current heating curved plate; 5. connecting the steel pipe; 6. a wire; 7. a first hydraulic cylinder; 8. a hanging beam; 9. locking the buckle; 10. a second hydraulic cylinder; 11. a third hydraulic cylinder; 12. a second mold; 13. a second eddy current heating curved plate; 14. strain clamp; 16. a bolt; 17. a threaded connecting rod; 91. a left limb; 92. the right limb; 93. a rotating shaft; 94. and (5) fixing the bolt.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
An embodiment of the present invention provides a wire crimping device, which is shown in fig. 1 to 3 and is a schematic structural diagram of the wire crimping device provided in the embodiment of the present invention, wherein fig. 1 is a perspective structural view of the wire crimping device provided in the embodiment of the present invention; fig. 2 is a front view of a structure of a wire crimping apparatus according to an embodiment of the present invention;
the device comprises: the device comprises a support main body 1, a mould cover 2, a mould, a vortex heating curved plate, a hydraulic cylinder, a hanging beam 8 and a bolt 16;
the mould comprises a first mould 3 and a second mould 12; the eddy current heating curved plate comprises a first eddy current heating curved plate 4 and a second eddy current heating curved plate 13; the hydraulic cylinders comprise a first hydraulic cylinder 7, two second hydraulic cylinders 10 and a third hydraulic cylinder 11;
the supporting main body 1 is of a U-shaped structure, convex grooves are formed in two side faces of the mold cover 2, the mold cover 2 is inserted into corresponding grooves in the two side faces of the supporting main body 1 through the convex grooves, positioning holes are formed in the grooves in the supporting main body 1, and the bolts 16 are inserted into the positioning holes to fix the relative positions of the supporting main body 1 and the mold cover 2;
the first end of the first hydraulic cylinder 7 is arranged at the top of the mould cover 2, and the second end of the first hydraulic cylinder 7 is connected with the hanging beam 8;
the first die 3 is arranged at the bottom of the die cover 2;
first ends of the two second hydraulic cylinders 10 are respectively fixed on symmetrical positions of two side surfaces of the support main body 1, and second ends of the two second hydraulic cylinders 10 are respectively connected with the first eddy current heating curved plate 4 and the second eddy current heating curved plate 13;
the first end of the third hydraulic cylinder 11 is fixed on the top of the bottom surface of the support main body 1, and the second end of the third hydraulic cylinder 11 is connected with the second die 12;
the groove on the first die 3 and the groove on the second die 12 are oppositely arranged; the concave surface of the first eddy current heating curved plate 4 and the concave surface of the second eddy current heating curved plate 13 are oppositely arranged, and a wire 6 to be crimped is fixed in the middle positions of the first die 3, the second die 12, the first eddy current heating curved plate 4 and the second eddy current heating curved plate 13.
In the specific implementation of the embodiment, the wire to be crimped is stripped according to the specification of the crimping process when being crimped, the continuous steel tube 5 is exposed, the wire to be crimped is placed between the eddy current heating bent plate and the die, and the eddy current heating bent plate and the die are controlled to be closed through the hydraulic cylinder to crimp the wire to be crimped;
the hydraulic cylinder control die on the supporting main body 1 is used for closing and separating, so that the compression joint of the wires of the to-be-compression joint channel is realized, the wires to be compressed are heated through the eddy heating bent plate, the heated wires are convenient to compress and joint, and the performance requirement of the hydraulic press can be reduced.
In a further embodiment provided by the invention, shown with reference to fig. 1 and 2, the device further comprises a threaded link 17 and a locking buckle 9;
threaded holes with certain lengths are formed in the two ends of the threaded connecting rod 17, and the first end of the threaded connecting rod 17 penetrates through the long round hole in the hanging beam 8 and is fixed through a bolt; the second end of the threaded connecting rod 17 is connected with the external thread at the upper end of the locking buckle 9;
the locking catch 9 serves to fix the conductor 6 to be crimped.
The wire to be crimped is fixed by adopting the threaded connecting rod and the locking buckle connected with the hanging beam, and the threaded connecting rod and the locking buckle are arranged on two sides of the device, so that the wire to be crimped is kept horizontal, the crimping is facilitated, the error caused by the position uncertainty of the wire to be crimped is reduced, and the crimping quality is ensured.
In another embodiment provided by the present invention, the locking buckle comprises a left limb, a right limb and a rotating shaft;
the left limb and the right limb are both rotationally connected with the rotating shaft;
the lower ends of the left limb and the right limb are provided with round holes, and the round holes of the left limb and the round holes of the right limb are fixed by inserting fixing bolts.
In the specific implementation of this embodiment, referring to fig. 3, which is a schematic structural diagram of a locking buckle of a wire crimping device according to an embodiment of the present invention, the locking buckle 9 adopts a left limb 91 and a right limb 92 having an opening and closing function, and is connected by a rotating shaft 93, when the left limb 91 and the right limb 92 are closed, a wire to be crimped is fixed by a fixing bolt 94, and the fixing bolt can be locked by a nut or by inserting an R-shaped pin into the fixing bolt 94.
The left limb and the right limb are closed and opened to fix or take out the crimped lead, so that the crimped lead is convenient to fix, take and place.
In yet another embodiment provided by the present invention, the hydraulic cylinder is a double acting hydraulic cylinder.
The first hydraulic cylinder, the two second hydraulic cylinders and the third hydraulic cylinder are double-acting hydraulic cylinders, so that the extension and the shortening of the cylinder body of each hydraulic cylinder can be controlled, and the compression joint and the opening of wires to be subjected to compression joint are realized.
In another embodiment provided by the invention, the shape of the groove on the die is matched with the size of the wire to be crimped.
Furthermore, the shape of the concave surface of the eddy current heating curved plate is matched with the size of the wire to be crimped, and a spiral heating coil is arranged inside the eddy current heating curved plate.
The size of the wire to be crimped is matched with the grooves of the first die and the second die, the concave shapes of the first eddy heating curved plate and the second eddy heating curved plate are matched with the size of the wire to be crimped, and the size matching means that when the first die and the second die are closed, the shape of the groove is just matched with the shape of the wire to be crimped, the shape of the groove keeps a preset allowance with the wire to be crimped, and the excessive crimping is avoided.
Correspondingly, the shape of the eddy current heating curved plate is matched with that of the wire to be crimped, when the first eddy current heating curved plate and the second eddy current heating curved plate are folded, the shape of the curved plate is just matched with that of the wire to be crimped, the shape of the curved plate and the wire to be crimped keep a preset allowance, and excessive extrusion is avoided.
It should be noted that the spiral heating coil is arranged inside the eddy current heating curved plate, and when the circuit is specifically designed and can be folded through the two eddy current heating curved plates, the circuits on the two eddy current heating curved plates are closed through the connecting interface, so that the circuit conduction is realized, and the wire to be crimped is heated; the two eddy current heating curved plates can also adopt two independent circuits, and the operation of the circuits is controlled by a switch.
It should be noted that, in the wire crimping apparatus provided by the present invention, crimping between different devices and a wire can be achieved by replacing the mold and the eddy current heating curved plate, as shown in fig. 4, which is a schematic structural diagram of the wire crimping apparatus provided by another embodiment of the present invention, the first mold 3, the second mold 12, the first eddy current heating curved plate 4, and the second eddy current heating curved plate 13 adapted to the strain clamp can be replaced to achieve crimping between the wire 6 and the strain clamp 14.
The shape of mould and heating bent plate and treating the crimping wire matches, guarantees the crimping quality to treat the crimping wire through the vortex heating bent plate and heat, the crimping of being convenient for.
In still another embodiment of the present invention, the first hydraulic cylinder is connected to the hydraulic pump through a first control valve, the second hydraulic cylinder is connected to the hydraulic pump through a second control valve, and the third hydraulic cylinder is connected to the hydraulic pump through a third control valve.
In specific implementation of this embodiment, referring to fig. 5, a schematic structural diagram of a wire crimping device according to an embodiment of the present invention is shown, where a first hydraulic cylinder is connected to a first control valve through a hydraulic pipe, and the first control valve is connected to a hydraulic pump, and is used to control a cylinder body of the first hydraulic cylinder to extend or shorten; the second hydraulic cylinder is connected with a second control valve through a hydraulic pipe, and the second control valve is connected with the hydraulic pump and used for controlling the cylinder body of the second hydraulic cylinder to extend or shorten; the third hydraulic cylinder is connected with a third control valve through a hydraulic pipe, and the third control valve is connected with the hydraulic pump and used for controlling the cylinder body of the third hydraulic cylinder to extend or shorten; in addition, the two eddy current heating curved plates are connected with a power supply through a switch to realize heating.
The cylinder body of the hydraulic cylinder is controlled to shorten and extend through the control valve, and crimping is achieved.
According to the wire crimping device provided by the embodiment of the invention, the dies are controlled to be closed and separated through the hydraulic cylinder on the supporting main body, so that the crimping of the wire of the to-be-crimped channel is realized, the to-be-crimped wire is heated through the eddy current heating bent plate, the heated wire is convenient to crimp, the performance requirement of a hydraulic machine can be reduced, the hydraulic mode is simple, the crimping quality is excellent, the to-be-crimped wire is fixed through the threaded connecting rod and the locking buckle connected with the hanging beam, the error caused by the crimping due to the position of the to-be-crimped wire is reduced, and the crimping quality is improved.
Another embodiment of the present invention further provides a wire crimping method, where the method uses the wire crimping apparatus provided in the above embodiment, as shown in fig. 6, and is a schematic flow chart of the wire crimping method provided in the embodiment of the present invention, where the method includes steps S601 to S608, and the method includes:
s601, installing the wire crimping device at a wire to be crimped;
s602, stripping wires to be crimped to expose a steel core, inserting the wires to be crimped into a wire clamp, and integrally fixing the wires to be crimped and the wire clamp on the locking buckle;
s603, starting a hydraulic pump of the hydraulic cylinder, controlling the cylinder body of the second hydraulic cylinder to extend, and driving the eddy current heating coil to enter a closed stroke;
s604, controlling the eddy current heating curved plate to heat when the eddy current heating curved plate is folded;
s605, controlling the cylinder body of the second hydraulic cylinder to shorten after a preset time, and driving the eddy current heating coil to retract;
s606, controlling the cylinder body of the first hydraulic cylinder to extend to drive the hanging beam to move upwards until the wire clamp contacts the first die, and controlling the first hydraulic cylinder to stop moving;
s607, controlling the cylinder body of the third hydraulic cylinder to extend, driving the third die to move upwards, and crimping the wire to be crimped;
and S608, when the crimping is finished, controlling the cylinder body of the third hydraulic cylinder to shorten, and taking out the crimped wire.
In the specific implementation of the embodiment, the installation of the wire crimping device is firstly carried out; stripping the wire to be crimped according to the specification of the crimping process procedure to expose the steel core, inserting the wire to be crimped into the wire clamp, opening the locking buckle, and integrally fixing the wire and the wire clamp on the locking buckle;
starting hydraulic pumps of the hydraulic cylinders, operating a second control valve, starting the left and right second hydraulic cylinders to work, enabling the two eddy current heating curved plates to enter a closed stroke to form a cylindrical shape, wrapping the wire clamp, opening a switch of the eddy current heating curved plates, and entering a heating stroke;
after the preset time or the lead to be crimped is heated to the preset temperature, judging that the heating is finished, operating a second control valve to shorten a cylinder rod of a second hydraulic cylinder, and withdrawing the eddy current heating bent plate;
the first control valve is controlled, the first hydraulic cylinder extends to drive the whole body consisting of the hanging beam, the threaded connecting rod, the locking buckle, the lead and the wire clamp to move upwards until the wire clamp contacts the first die, and the first control valve is controlled to stop the stroke;
controlling a third control valve to extend a third hydraulic cylinder, driving a second die to move upwards, starting a crimping stroke, and completing crimping when the second die and the first die reach a preset crimping distance;
operating a third control valve to shorten a third hydraulic cylinder, pulling out a plug pin, dismounting a die cover, and taking out a lead to complete lead compression joint;
in another embodiment provided by the present invention, the installing the wire crimping apparatus at a wire to be crimped specifically includes:
and placing the wire to be crimped into the middle position of the support main body, inserting the die cover into the support main body along the groove on the support main body, inserting the bolt into the positioning hole of the support main body, and fixing the die cover.
In specific implementation, the wire crimping device is applied to crimping of a splicing fitting and a steel core of a wire or to crimping of a strain clamp steel anchor and the steel core of the wire, wherein the steel core is a component of the wire which mainly bears tension, and therefore the steel core of the wire needs to be separately exposed for crimping.
The device comprises a supporting main body, a die cover, a die, an eddy current heating curved plate and a hydraulic cylinder, wherein the die is controlled to be closed and separated by the hydraulic cylinder on the supporting main body to realize the crimping of the wire of a channel to be crimped, the eddy current heating curved plate is used for heating the wire to be crimped, the heated wire is convenient to crimp, and the performance requirement of a hydraulic press can be reduced; the hydraulic pressure mode is simple, and the crimping quality is better, treats the crimping wire through the fixed screw connecting rod and the locking buckle that the hanging beam is connected, reduces because treat the error that the crimping wire position leads to the crimping to produce, improves the crimping quality.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (9)
1. A wire crimping apparatus, characterized in that the apparatus comprises: the device comprises a support main body, a mould cover, a mould, an eddy current heating curved plate, a hydraulic cylinder, a hanging beam and a bolt;
the mold comprises a first mold and a second mold; the eddy current heating curved plate comprises a first eddy current heating curved plate and a second eddy current heating curved plate; the hydraulic cylinders comprise a first hydraulic cylinder, two second hydraulic cylinders and a third hydraulic cylinder;
the supporting main body is of a U-shaped structure, convex grooves are formed in two side faces of the mold cover, the mold cover is inserted into the corresponding grooves in the two side faces of the supporting main body through the convex grooves, positioning holes are formed in the grooves in the supporting main body, and the bolts are inserted into the positioning holes to fix the relative positions of the supporting main body and the mold cover;
the first end of the first hydraulic cylinder is arranged at the top of the mould cover, and the second end of the first hydraulic cylinder is connected with the hanging beam;
the first mold is mounted at the bottom of the mold cover;
first ends of the two second hydraulic cylinders are respectively fixed on symmetrical positions of two side surfaces of the supporting main body, and second ends of the two second hydraulic cylinders are respectively connected with the first eddy current heating curved plate and the second eddy current heating curved plate;
the first end of the third hydraulic cylinder is fixed to the top of the bottom surface of the support main body, and the second end of the third hydraulic cylinder is connected with the second die;
the groove on the first die and the groove on the second die are oppositely arranged; the concave surface of the first eddy current heating curved plate and the concave surface of the second eddy current heating curved plate are oppositely arranged, and a wire to be crimped is fixed in the middle of the first die, the second die, the first eddy current heating curved plate and the second eddy current heating curved plate.
2. The wire crimping device of claim 1, further comprising a threaded link and a locking buckle;
threaded holes with certain lengths are formed in the two ends of the threaded connecting rod, and the first end of the threaded connecting rod penetrates through the long round hole in the hanging beam and is fixed through a bolt; the second end of the threaded connecting rod is connected with the external thread at the upper end of the locking buckle;
the locking buckle is used for fixing the wire to be crimped.
3. The wire crimping device of claim 2, wherein the locking catch comprises a left limb, a right limb and a pivot;
the left limb and the right limb are both rotationally connected with the rotating shaft;
the lower ends of the left limb and the right limb are provided with round holes, and the round holes of the left limb and the round holes of the right limb are fixed by inserting fixing bolts.
4. A wire crimping apparatus as claimed in claim 1, wherein said hydraulic cylinder is a double acting hydraulic cylinder.
5. The wire crimping device of claim 1, wherein the shape of the groove on the die is matched with the size of the wire to be crimped.
6. The wire crimping device according to claim 1, wherein the concave shape of the eddy-current heating curved plate is matched with the size of the wire to be crimped, and a spiral heating coil is provided inside the eddy-current heating curved plate.
7. The wire crimping device of claim 1, wherein the first hydraulic cylinder is connected to a hydraulic pump through a first control valve, the second hydraulic cylinder is connected to the hydraulic pump through a second control valve, and the third hydraulic cylinder is connected to the hydraulic pump through a third control valve.
8. A wire crimping method, characterized by using the wire crimping apparatus according to any one of claims 1 to 7, the method comprising:
installing the wire crimping device at a wire to be crimped;
stripping a wire to be crimped to expose a steel core, inserting the wire to be crimped into a wire clamp, and integrally fixing the wire to be crimped and the wire clamp on a locking buckle;
starting a hydraulic pump of the hydraulic cylinder, controlling the cylinder body of the second hydraulic cylinder to extend, and driving the vortex heating curved plate to enter a closed stroke;
when the eddy current heating curved plate is folded, controlling the eddy current heating curved plate to heat;
after a preset time, controlling the cylinder body of the second hydraulic cylinder to shorten, and driving the eddy current heating curved plate to retract;
controlling the cylinder body of the first hydraulic cylinder to extend to drive the hanging beam to move upwards until the wire clamp contacts the first die, and controlling the first hydraulic cylinder to stop moving;
controlling the cylinder body of the third hydraulic cylinder to extend to drive the third die to move upwards to crimp the wire to be crimped;
and when the crimping is finished, controlling the cylinder body of the third hydraulic cylinder to shorten, and taking out the crimped wire.
9. The wire crimping method according to claim 8, wherein the installing the wire crimping device at a wire to be crimped specifically comprises:
and placing the wire to be crimped into the middle position of the support main body, inserting the die cover into the support main body along the groove on the support main body, inserting the bolt into the positioning hole of the support main body, and fixing the die cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110792387.9A CN113258399B (en) | 2021-07-14 | 2021-07-14 | Wire crimping device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110792387.9A CN113258399B (en) | 2021-07-14 | 2021-07-14 | Wire crimping device and method |
Publications (2)
| Publication Number | Publication Date |
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| CN113258399A true CN113258399A (en) | 2021-08-13 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113948935A (en) * | 2021-10-14 | 2022-01-18 | 三峡大学 | Wire connection intelligent hydraulic machine based on contact resistance |
| CN116093701A (en) * | 2023-01-03 | 2023-05-09 | 汇铂斯电子技术(苏州)有限公司 | Wire harness terminal crimping die and crimping method thereof |
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| CN111613952A (en) * | 2020-06-19 | 2020-09-01 | 北京争先甲电力科技开发有限公司 | Wire crimping/cutting/stripping integrated multifunctional device and working method thereof |
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| EP0059060A2 (en) * | 1981-02-19 | 1982-09-01 | Burndy Corporation | Electrical harness manufacturing method and apparatus |
| CN101607343A (en) * | 2008-06-18 | 2009-12-23 | 株式会社日立制作所 | Conductor wire connecting method and splicing ear, stator and electric rotating machine |
| CN207303867U (en) * | 2017-10-11 | 2018-05-01 | 国网四川省电力公司技能培训中心 | A kind of hydraulic pressure crimping bracket of anti-conductive line bends |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113948935A (en) * | 2021-10-14 | 2022-01-18 | 三峡大学 | Wire connection intelligent hydraulic machine based on contact resistance |
| CN116093701A (en) * | 2023-01-03 | 2023-05-09 | 汇铂斯电子技术(苏州)有限公司 | Wire harness terminal crimping die and crimping method thereof |
| CN116093701B (en) * | 2023-01-03 | 2023-11-03 | 汇铂斯电子技术(苏州)有限公司 | Wire harness terminal crimping die and crimping method thereof |
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| CN113258399B (en) | 2021-11-30 |
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