CN110957623A - Automatic press fitting device for terminals - Google Patents
Automatic press fitting device for terminals Download PDFInfo
- Publication number
- CN110957623A CN110957623A CN201911272898.7A CN201911272898A CN110957623A CN 110957623 A CN110957623 A CN 110957623A CN 201911272898 A CN201911272898 A CN 201911272898A CN 110957623 A CN110957623 A CN 110957623A
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- press
- terminal
- fitting
- cutting die
- terminals
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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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Manufacturing Of Electrical Connectors (AREA)
Abstract
The invention discloses an automatic terminal press-fitting device which comprises a press-fitting machine, an upper cutting die arranged on a press-fitting head of the press-fitting machine, and a lower cutting die arranged on a workbench of the press-fitting machine, wherein the upper cutting die is a cutting die; the upper cutting die comprises an upper cutting plate arranged on the press-mounting head, the lower end part of the upper cutting plate is provided with a trapezoidal guide groove, and the top of the trapezoidal guide groove is matched with the lower cutting die for press-mounting the terminal to be press-mounted and the lead together; the lower cutting die comprises a lower cutting plate arranged on the workbench, the upper end of the lower cutting plate is provided with a press joint matched with the trapezoid guide groove, and the top of the press joint is provided with an arc-shaped groove. The invention can ensure that the terminal to be pressed is always positioned between the arc-shaped groove at the top of the crimping head and the top of the trapezoid guide groove, tightly buckles the turned edge of the terminal to be pressed on the wire by utilizing the guide effect of the trapezoid guide groove, and can avoid the problem of dislocation and deformation of the turned edge of the terminal, thereby ensuring that the appearance and pressing force of the terminal after being pressed meet the production requirements.
Description
Technical Field
The utility model relates to a terminal pressure equipment shaping technical field, concretely relates to automatic pressure equipment device of terminal.
Background
The terminal is used for connecting between electric wires or electrical components, and plays an important role in transmitting electric signals or electric signals. Traditional terminal pressure equipment device is exactly one pressure head of going up of pressure equipment on the press, a backing plate is put on the bottom plate, place binding post on the backing plate, the press of operating again operates, though traditional terminal pressure equipment device can conveniently press binding post, but traditional terminal pressure equipment device structure is too simple, only get up terminal and wire pressure equipment through last pressure head and the extrusion of backing plate, this kind of pressure equipment mode not only harms the wire easily, the terminal compresses tightly the effect not good, and be difficult to guarantee the outward appearance requirement of pressure equipment back terminal. Obviously, the existing press-fitting device has difficulty in meeting the production requirement of high terminal pressing requirement.
Therefore, it is necessary to develop a new automatic terminal press-fitting device.
Disclosure of Invention
According to an aspect of the present disclosure, there is provided an automatic terminal press-fitting device including: the device comprises a press fitting machine, an upper cutting die arranged on a press fitting head of the press fitting machine, and a lower cutting die arranged on a workbench of the press fitting machine;
the upper cutting die comprises an upper cutting plate arranged on the press-mounting head, a trapezoidal guide groove is formed in the lower end part of the upper cutting plate, and the top of the trapezoidal guide groove is matched with the lower cutting die for press-mounting the terminal to be press-mounted and the lead together;
the lower cutting die comprises a lower cutting board arranged on the workbench, the upper end of the lower cutting board is provided with a compression joint matched with the trapezoid guide groove, the top of the compression joint is provided with an arc-shaped groove, and a gap for accommodating a terminal to be pressed and a wire is reserved between the arc-shaped groove and the top of the trapezoid guide groove.
According to one embodiment, two corners at the top of the trapezoid guide groove are respectively provided with an arc-shaped extrusion groove for extruding a curled edge of the terminal to be pressed, the two arc-shaped extrusion grooves are connected, and a pressing line is formed between the two arc-shaped extrusion grooves.
According to one embodiment, the upper knife plate is mounted on the press-fitting head by fasteners.
According to one embodiment, a positioning block is arranged on the workbench, and the lower cutting die is arranged on the positioning block.
According to one embodiment, the positioning block is provided with a limiting groove for limiting the front end of the terminal to be press-fitted.
According to one embodiment, the lower blade is mounted on the locating block by fasteners.
According to one embodiment, the press-fitting head or the positioning block is provided with a stripping mechanism, the stripping mechanism comprises a connecting rod arranged on the press-fitting head or the outer side surface of the positioning block, the front end of the connecting rod extends out of the upper cutting die, and the front end of the connecting rod is transversely provided with a material blocking rod.
According to one embodiment, the striker rod is fixed to the front end of the connecting rod by a fastener.
According to one embodiment, the fastening element is a fastening bolt, or a fastening screw, or a screw-nut assembly.
According to one embodiment, the press is provided with an illuminating lamp through a coil.
According to one embodiment, the upper cutting die and the lower cutting die are both 1Cr13 tool steelwork.
According to one embodiment, the surfaces of the upper cutting die and the lower cutting die are provided with nitride layers obtained through integral nitriding treatment.
According to one embodiment, the polishing process is performed before the entire thinning process is performed on the upper cutting die and the lower cutting die to obtain a smooth press-contact surface.
According to the automatic pressure equipment device of terminal of this disclosure, adopt and set up cutting die on the pressure head of pressure equipment machine, set up the structure with last cutting die matched with cutting die down on the workstation of pressure equipment machine, and go up the cutting die including setting up the last cutting board on the pressure equipment head, set up trapezoidal guiding groove at last cutting board lower extreme, the top of trapezoidal guiding groove cooperatees with cutting die down and is used for treating pressure equipment terminal and wire pressure equipment together, lower cutting die is including setting up the lower cutting board on the workstation, set up the crimping head with trapezoidal guiding groove matched with on the lower cutting board, set up the arc recess at crimping head top, leave the clearance that holds and treat pressure equipment terminal and wire between arc recess and trapezoidal guiding groove top. When the structure is adopted to carry out press fitting operation on the terminal to be pressed and the wire, the terminal to be pressed can be ensured to be always positioned between the arc-shaped groove at the top of the crimping head and the top of the trapezoid guide groove, the turned edge of the terminal to be pressed is tightly buckled and pressed on the wire by utilizing the guide effect of the trapezoid guide groove, the problem of staggered deformation of the turned edge of the terminal can be avoided, and the appearance and pressing force of the terminal after press fitting can be ensured to meet the production requirements.
In addition, in order to solve the problems that a cutter is not clamped and a blade is rapidly worn and broken when the high-strength terminal made of alloy materials is in compression joint, the upper cutter die and the lower cutter die are both made of 1Cr13 tool steel, polishing treatment is carried out before integral desalting treatment is carried out on the upper cutter die and the lower cutter die so as to obtain a smooth compression joint surface, then integral desalting treatment is carried out on the surfaces of the upper cutter die and the lower cutter die so as to obtain a nitrided layer with high surface hardness, and therefore the integral strength of the upper cutter die and the lower cutter die is guaranteed. Meanwhile, the automatic crimping device can be suitable for automatic crimping of high-hardness and high-strength metal terminals, eliminates the backward press crimping process of a hand press, improves the efficiency and the quality, and greatly lightens the labor intensity of workers.
Drawings
Fig. 1 is a schematic structural view of an automatic terminal press-fitting device according to a first embodiment of the present disclosure;
fig. 2 is a schematic front view illustrating a positioning block in the automatic terminal press-fitting device according to the first embodiment of the present disclosure;
fig. 3 is a schematic top view illustrating a structure of a positioning block in the automatic terminal press-fitting apparatus according to the first embodiment of the present disclosure;
fig. 4 is a schematic structural view of an automatic terminal press-fitting device according to a second embodiment of the present disclosure;
fig. 5 is a schematic structural view of an automatic terminal press-fitting device according to a third embodiment of the present disclosure.
Further features of the invention will become apparent from the following description of exemplary embodiments with reference to the attached drawings.
Detailed Description
An automatic terminal press-fitting apparatus according to the present disclosure is described below with reference to the accompanying drawings, but it should be understood that the embodiments described below are merely exemplary and are not intended to limit the present disclosure to the following exemplary embodiments.
The structure of the existing terminal press-fitting device is too simple, the terminal and the lead are pressed and fitted only by the extrusion of the upper pressure head and the backing plate, the lead is easily damaged by the press-fitting mode, the terminal is poor in press-fitting effect, and the appearance requirement of the terminal after press-fitting is difficult to guarantee. The invention can ensure that the terminal to be pressed is always positioned between the arc-shaped groove at the top of the crimping head and the top of the trapezoid guide groove, tightly buckles the turned edge of the terminal to be pressed on the wire by utilizing the guide effect of the trapezoid guide groove, and can avoid the problem of dislocation and deformation of the turned edge of the terminal, thereby ensuring that the appearance and pressing force of the terminal after being pressed meet the production requirements.
First, referring to fig. 1, 2 and 3, a terminal automatic press-fitting device according to a first embodiment of the present disclosure will be described.
As shown in fig. 1 to 3, an automatic terminal press-fitting apparatus according to the present exemplary embodiment includes: the device comprises a press-fitting machine 1, an upper cutting die 3 arranged on a press-fitting head 2 of the press-fitting machine 1, and a lower cutting die 5 arranged on a workbench 4 of the press-fitting machine 1.
The upper cutting die 3 comprises an upper cutting plate 2a arranged on the press-mounting head 2, a trapezoidal guide groove 2b is formed in the lower end of the upper cutting plate 2a, and the top of the trapezoidal guide groove 2b is matched with the lower cutting die 5 to press-mount the terminal to be press-mounted and the wire together.
Lower cutting die 5 is including setting up lower cutting board 5a on workstation 4, lower cutting board 5a upper end set up with trapezoidal guiding groove 2b matched with crimping head 5b, arc recess 5c is seted up at crimping head 5b top, arc recess 5c with leave the clearance that holds treating pressure equipment terminal and wire between trapezoidal guiding groove 2b top.
According to one embodiment, in order to improve the appearance effect of the terminal to be press-fitted and the lead after press-fitting, two arc-shaped extrusion grooves 2c for extruding the curled edges of the terminal to be press-fitted are respectively formed at two corners at the top of the trapezoid guide groove 2b, and the two arc-shaped extrusion grooves 2c are connected and form a press-fitting line 2d in the middle.
According to one embodiment, in order to facilitate the replacement of the upper blade 2a, the upper blade 2a is mounted on the press-fitting head 2 by means of fasteners.
According to one embodiment, in order to facilitate the positioning of the terminals to be press-fitted and the wires before press-fitting and improve the press-fitting efficiency, a positioning block 6 is arranged on the workbench 4, and the lower cutting die 5 is arranged on the positioning block 6.
According to one embodiment, in order to position and support the end portions of the terminals to be press-fitted, the positioning block 6 is provided with a limiting groove 6a for limiting the front end portions of the terminals to be press-fitted.
According to one embodiment, the lower cutting plate 5a is mounted on the positioning block 6 by fasteners in order to facilitate mounting and dismounting of the lower cutting plate 5 a.
As shown in fig. 4, according to an embodiment, in order to avoid that the terminal cannot be quickly separated from the upper cutting die after press mounting is completed, a material removing mechanism is arranged on the press mounting head 2, the material removing mechanism includes a connecting rod 7 arranged on the upper outer side surface of the press mounting head 2, the front end of the connecting rod 7 extends out of the upper cutting die 3, and a material blocking rod 8 is transversely arranged at the front end of the connecting rod 7. Of course, the knockout mechanism is not limited to be provided on the press-fitting head 2, and may be provided on the outer side surface of the positioning block 6.
According to one embodiment, in order to facilitate the installation and the removal of the striker rod 8, the striker rod 8 is fixed to the front end of the connecting rod 7 by a fastener.
According to one embodiment, the fastening member is a fastening bolt, but the fastening member is not limited to a fastening bolt, and may be a fastening screw or a screw-nut assembly.
As shown in fig. 5, according to one embodiment, in order to improve the view ray during operation, an illumination lamp 9 is provided on the press 1 through a coil.
According to one embodiment, in order to solve the problems that the high-strength terminal made of alloy does not have the problems of knife clamping, rapid blade abrasion and breakage during crimping, the upper cutting die 3 and the lower cutting die 5 are made of 1Cr13 tool steel.
The surfaces of the upper cutting die 3 and the lower cutting die 5 are provided with nitrided layers obtained through integral nitriding treatment.
Polishing treatment is performed before the upper cutting die 3 and the lower cutting die 5 are subjected to integral desalting treatment to obtain a smooth crimping surface.
In this embodiment, in order to solve the problem that the blade is rapidly worn and broken when the high-strength terminal made of an alloy material is crimped, polishing is performed before the upper cutting die and the lower cutting die are subjected to overall desalting treatment to obtain a smooth crimping surface, and then, the surfaces of the upper cutting die and the lower cutting die are subjected to overall desalting treatment to obtain a nitrided layer with high surface hardness, so that the overall strength of the upper cutting die and the lower cutting die is ensured. Meanwhile, the automatic crimping device can be suitable for automatic crimping of high-hardness and high-strength metal terminals, eliminates the backward press crimping process of a hand press, improves the efficiency and the quality, and greatly lightens the labor intensity of workers.
After the automatic terminal press-fitting device disclosed by the invention is used for press-fitting the terminals to be pressed and the wires, the terminals with good appearance can be obtained. Then, a comparative tension test is performed on the terminal which is subjected to crimping by adopting a traditional hand press and the terminal which is subjected to crimping by adopting the terminal crimping method disclosed by the invention so as to judge the crimping strength, and the specific data are as follows:
according to the test data, the terminal press mounting method can completely meet the press mounting requirement of the terminal when the terminal is press mounted.
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 as defined in the appended claims.
Claims (10)
1. The utility model provides an automatic pressure equipment device of terminal which characterized in that, the automatic pressure equipment device of terminal includes: the device comprises a press fitting machine, an upper cutting die arranged on a press fitting head of the press fitting machine, and a lower cutting die arranged on a workbench of the press fitting machine;
the upper cutting die comprises an upper cutting plate arranged on the press-mounting head, a trapezoidal guide groove is formed in the lower end part of the upper cutting plate, and the top of the trapezoidal guide groove is matched with the lower cutting die for press-mounting the terminal to be press-mounted and the lead together;
the lower cutting die comprises a lower cutting board arranged on the workbench, the upper end of the lower cutting board is provided with a compression joint matched with the trapezoid guide groove, the top of the compression joint is provided with an arc-shaped groove, and a gap for accommodating a terminal to be pressed and a wire is reserved between the arc-shaped groove and the top of the trapezoid guide groove.
2. The automatic press-fitting device for the terminals as claimed in claim 1, wherein two corners of the top of the trapezoidal guide groove are respectively provided with an arc-shaped pressing groove for pressing the curled edge of the terminal to be press-fitted, and the two arc-shaped pressing grooves are connected with each other to form a press-fitting line therebetween.
3. The automatic press-fitting device for terminals as claimed in claim 1, wherein the upper blade is mounted on the press-fitting head by a fastener.
4. The automatic press-fitting device for the terminals as claimed in claim 1, wherein a positioning block is provided on the worktable, and the lower cutting die is provided on the positioning block.
5. The automatic press-fitting device for the terminals as claimed in claim 4, wherein the positioning block is provided with a limiting groove for limiting the front end of the terminal to be press-fitted.
6. The automatic press-fitting device for the terminals as claimed in claim 4, wherein the lower blade is mounted on the positioning block by a fastener.
7. The automatic press-fitting device for the terminals as claimed in claim 4, wherein a stripping mechanism is arranged on the press-fitting head or the positioning block, the stripping mechanism comprises a connecting rod arranged on the press-fitting head or the outer side face of the positioning block, the front end of the connecting rod extends out of the upper cutting die, and a material blocking rod is transversely arranged at the front end of the connecting rod.
8. The automatic press-fitting device for terminals as claimed in claim 7, wherein the dam bar is fixed at the front end of the connecting bar by a fastener.
9. An automatic press-fitting device for terminals as claimed in claim 3, 6 or 8, wherein the fastening member is a fastening bolt, or a fastening screw, or a screw-nut assembly.
10. An automatic press-fitting device for terminals as claimed in any one of claims 1 to 8, wherein the upper and lower cutting dies each have a nitrided layer on the surface thereof which is subjected to integral nitriding treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911272898.7A CN110957623A (en) | 2019-12-12 | 2019-12-12 | Automatic press fitting device for terminals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911272898.7A CN110957623A (en) | 2019-12-12 | 2019-12-12 | Automatic press fitting device for terminals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110957623A true CN110957623A (en) | 2020-04-03 |
Family
ID=69981166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911272898.7A Pending CN110957623A (en) | 2019-12-12 | 2019-12-12 | Automatic press fitting device for terminals |
Country Status (1)
| Country | Link |
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| CN (1) | CN110957623A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114447730A (en) * | 2022-03-07 | 2022-05-06 | 杭州日月电器股份有限公司 | Pressing and cutting device for round tube-shaped terminal |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08222343A (en) * | 1995-02-17 | 1996-08-30 | Yazaki Corp | Terminal crimping apparatus and terminal crimping method |
| JP2824497B2 (en) * | 1990-09-13 | 1998-11-11 | 矢崎総業株式会社 | Crimping method and structure of crimp terminal and wire |
| US6742251B1 (en) * | 1997-03-18 | 2004-06-01 | Yazaki Corporation | Method of crimping a terminal onto an electrical wire equipped with a water-proof plug using a positioning means |
| CN101227052A (en) * | 2007-01-18 | 2008-07-23 | 矢崎总业株式会社 | Crimping apparatus and metal terminal |
| JP2011070840A (en) * | 2009-09-24 | 2011-04-07 | Yazaki Corp | Crimping device, and crimping terminal crimped with the same crimping device |
| CN204538441U (en) * | 2015-01-19 | 2015-08-05 | 东莞市森佳机械有限公司 | Automatic continuous terminal machine |
| CN207217975U (en) * | 2017-05-03 | 2018-04-10 | 高登新能源车辆科技（常州）有限公司 | Terminal bonding mould is used in high-voltage wiring harness production |
-
2019
- 2019-12-12 CN CN201911272898.7A patent/CN110957623A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2824497B2 (en) * | 1990-09-13 | 1998-11-11 | 矢崎総業株式会社 | Crimping method and structure of crimp terminal and wire |
| JPH08222343A (en) * | 1995-02-17 | 1996-08-30 | Yazaki Corp | Terminal crimping apparatus and terminal crimping method |
| US6742251B1 (en) * | 1997-03-18 | 2004-06-01 | Yazaki Corporation | Method of crimping a terminal onto an electrical wire equipped with a water-proof plug using a positioning means |
| CN101227052A (en) * | 2007-01-18 | 2008-07-23 | 矢崎总业株式会社 | Crimping apparatus and metal terminal |
| JP2011070840A (en) * | 2009-09-24 | 2011-04-07 | Yazaki Corp | Crimping device, and crimping terminal crimped with the same crimping device |
| CN204538441U (en) * | 2015-01-19 | 2015-08-05 | 东莞市森佳机械有限公司 | Automatic continuous terminal machine |
| CN207217975U (en) * | 2017-05-03 | 2018-04-10 | 高登新能源车辆科技（常州）有限公司 | Terminal bonding mould is used in high-voltage wiring harness production |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114447730A (en) * | 2022-03-07 | 2022-05-06 | 杭州日月电器股份有限公司 | Pressing and cutting device for round tube-shaped terminal |
| CN114447730B (en) * | 2022-03-07 | 2023-11-07 | 杭州日月电器股份有限公司 | Pressing and cutting device for circular tube-shaped terminal |
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Application publication date: 20200403 |
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