CN114374129A - Crimping device of cable terminal - Google Patents
Crimping device of cable terminal Download PDFInfo
- Publication number
- CN114374129A CN114374129A CN202011103290.4A CN202011103290A CN114374129A CN 114374129 A CN114374129 A CN 114374129A CN 202011103290 A CN202011103290 A CN 202011103290A CN 114374129 A CN114374129 A CN 114374129A
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- Prior art keywords
- groove
- seat
- crimping
- die holder
- die
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- 238000002788 crimping Methods 0.000 title claims abstract description 80
- 238000003466 welding Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 2
- 238000003825 pressing Methods 0.000 description 6
- 230000000149 penetrating effect Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Manufacturing Of Electrical Connectors (AREA)
Abstract
The invention relates to a crimping device of a cable terminal, which comprises a crimping seat, a driving device, a mouth die holder and a connecting block, wherein the connecting block is connected with the crimping seat and the mouth die holder; this connecting block can form the power of drawing each other between this crimping seat and bush seat, except can effectively reducing the range that this crimping seat kinks and warp at the crimping in-process to prolong the life of this crimping seat, still can prevent this bush seat towards the side slope that is not restricted, thereby avoid leading to the unable condition that actuates of this drive arrangement after long-time the use.
Description
Technical Field
The present invention relates to a cable terminal crimping device, and more particularly, to a cable terminal crimping device with enhanced structure and improved durability.
Background
A cable is an assembly of a plurality of wires side by side or bundled together for transmitting current or signals, the ends of the wires being joined together by crimping, welding or taping to form an electrical connection. The term "crimping" refers to sleeving a sleeve part of a cable terminal on the bare wire-shaped ends of the wires, radially extruding the sleeve part of the cable terminal by using a crimping device, reshaping the sleeve part, and tightly combining the cable terminal and the wires into a whole.
One of the prior art crimping devices mainly includes a crimping base and a die holder. The crimping base is approximately C-shaped, two ends of the crimping base respectively extend laterally to form a first end and a second end which correspond to each other, an opening is formed between the first end and the second end, a hydraulic cylinder is arranged at the second end of the crimping base, the die base is arranged between the first end and the second end of the crimping base and connected with the hydraulic cylinder, the die base can be driven by the hydraulic cylinder to move back and forth along a straight line close to and far away from the first end, crimping dies can be respectively arranged on the first end of the crimping base and the die base, and a crimping groove is formed in each crimping die.
When the cable terminal is used, the sleeve part of the cable terminal is firstly sleeved at the end parts of the electric wires, then the sleeve part and the electric wires are arranged in the crimping groove of the crimping mold arranged at the first end part of the crimping seat in a penetrating mode, then the neck mold seat is driven to drive the crimping mold on the neck mold seat to move towards the first end part of the crimping seat until the two crimping molds are abutted against each other, and the sleeve part is extruded and reshaped in the crimping grooves of the two crimping molds, so that the sleeve part and the electric wires are tightly combined into a whole.
However, during the crimping of the sleeve portion of the cable terminal, the die holder requires that the first end of the crimp holder is continuously applied with a force sufficient to deform the sleeve portion, resulting in slight kinking of the crimp holder in the direction of the applied force until the die holder is removed, and thus, the first end of the crimp holder is easily broken by metal fatigue under such repeated dynamically changing stresses.
Furthermore, the hydraulic cylinder for driving the die seat mainly comprises a cylinder barrel and a piston rod, one end of the piston rod is arranged in the cylinder barrel in a penetrating mode, and the other end of the piston rod is connected with the die seat and can be driven to stretch and retract relative to the cylinder barrel. When the piston rod extends forwards, the die seat can be driven to move towards the first end part of the crimping seat, so that the two crimping dies extrude the sleeve parts of the crimping terminals in the crimping grooves. The extrusion force of the two crimping dies on the sleeve portion is large, so that the die seat and the piston rod connected with the die seat are easy to incline towards the side edge which is relatively free from constraint, and particularly incline towards the opening between the first end portion and the second end portion of the crimping seat. And under the condition that the piston rod inclines relative to the axis of the cylinder barrel, a gap is generated between the cylinder barrel and the piston rod due to mutual abrasion, and when the gap is larger and larger, the piston rod is easy to be clamped with the cylinder barrel due to the fact that the piston rod cannot move parallel to the axis of the cylinder barrel in the expansion process and cannot move continuously.
As described above, the cable terminal crimping device of the related art is therefore subject to further improvement.
Disclosure of Invention
In view of the problems of the prior art, it is an object of the present invention to provide a cable terminal crimping apparatus with enhanced structure and improved durability.
In order to achieve the above creation object, the present invention adopts a crimping apparatus for a cable terminal, comprising:
a press-fit base having an extension portion, a first end portion and a second end portion, the extension portion having a setting groove and a lock-joint guide groove, the setting groove being formed in a side surface of the extension portion, the lock-joint guide groove being located between the setting groove and a front end of the extension portion, one end of the lock-joint guide groove being communicated with the setting groove, an opening formed in the side surface of the extension portion by the lock-joint guide groove having a width smaller than a width of a bottom of the lock-joint guide groove, the first end portion projecting from a front end side of the extension portion, the second end portion projecting from a rear end side of the extension portion and being disposed corresponding to the first end portion;
the driving device is arranged at the second end part of the pressure connecting seat;
the die seat is driven by the driving device to move back and forth along a straight line close to and far away from the first end part, and is provided with a group of connecting grooves, and the inner concave of the group of connecting grooves is formed on one ring side surface of the die seat;
the connecting block is provided with a fixed assembling part and a movable assembling part, the fixed assembling part is arranged in an assembling groove of the neck ring die seat and is fixedly connected with the neck ring die seat, the section shape of the movable assembling part is matched with the section shape of a buckling guide groove of the extension part of the compression joint seat, the movable assembling part can be movably arranged in the buckling guide groove and is buckled with the compression joint seat, and the movable assembling part can move in a setting groove and the buckling guide groove of the extension part of the compression joint seat.
The assembling groove of the die holder can penetrate through the rear end face of the die holder, the opening width of the assembling groove formed on the ring side face of the die holder is smaller than the width of the bottom of the assembling groove, and the section shape of the fixed assembling part of the connecting block is matched with the section shape of the assembling groove of the die holder.
The cross section of the buckling guide groove of the extending part of the pressure connecting seat and the cross section of the assembling groove of the mouth mold seat can be in an inverted T shape.
The rear end face of the die holder can be recessed to form an end groove, a bolt is arranged along the radial direction of the die holder, one end of the bolt is fixedly arranged in the fixed assembling part of the connecting block in a penetrating mode, and the other end of the bolt is fixedly arranged in the die holder in a penetrating mode and protrudes towards the end groove of the die holder.
The extending portion of the press-fit seat can further have a stopping protrusion, the stopping protrusion is disposed on a side surface of the extending portion near a front end of the extending portion, and the fastening guide groove of the extending portion is located between the installation groove and the stopping protrusion.
The first end of the crimping seat can be provided with an end face and a fixed die groove, the end face of the first end faces the second end, the fixed die groove is recessed to form on the end face of the first end, the die seat can be provided with a front end face and a movable die groove, the front end face of the die seat faces the first end of the crimping seat, and the movable die groove is recessed to form on the front end face of the die seat.
The driving device can be provided with a cylinder barrel and a piston rod, one end of the piston rod penetrates through the cylinder barrel, the other end of the piston rod extends out of the cylinder barrel to be connected with the die seat, and the piston rod can be driven to stretch and retract relative to the cylinder barrel.
Through the design of this connecting block lock joint in this crimping seat and this bush seat, can form the power that draws each other between this crimping seat and bush seat, this bush seat can be to the pulling force of this crimping seat when the terminal of one set of section of thick bamboo portion and many electric wires of crimping cable terminal, effectively reduce this crimping seat because of the atress and the range of the bending deformation, thereby prolong the life of this crimping seat, this crimping seat is to the pulling force of this bush seat, can prevent this bush seat towards the side slope that is not restricted, thereby avoid leading to the unable condition that actuates of this drive arrangement after long-time the use.
Drawings
The drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention. Wherein:
fig. 1 is a perspective view of the present invention.
Fig. 2 is an exploded perspective view of the present invention.
Fig. 3 is a perspective view of the press-fit socket and the driving device of the present invention.
Fig. 4 is an exploded perspective view of the die holder and the connecting block of the present invention.
Fig. 5 is an end sectional view of the present invention.
FIG. 6 is a schematic cross-sectional end view of another embodiment of the present invention.
Fig. 7 is a side sectional view of the present invention.
Fig. 8 is a side sectional action diagram of the present invention.
Detailed Description
The technical means adopted by the invention to achieve the predetermined creation purpose is further described below by combining the accompanying drawings and the preferred embodiments of the invention.
Referring to fig. 1 and 2, the crimping apparatus of the cable terminal of the present invention includes a crimping base 10, a driving device 20, a socket 30 and a connecting block 40.
Referring to fig. 3, the pressing seat 10 is generally C-shaped and has an extending portion 13, a first end portion 11 and a second end portion 12.
Referring to fig. 5 and 6, the two opposite ends of the extending portion 13 are a front end and a rear end, respectively, and the extending portion 13 has a side surface, a stopping protrusion 131, a setting groove 132 and a fastening guide groove 133. The stopper projection 131 is provided on the side of the extension 13 near the front end of the extension 13. As shown in fig. 6, the setting groove 132 is formed inwardly in the side surface of the extension portion 13 and is located near the rear end of the extension portion 13. As shown in fig. 5, the fastening guide groove 133 is recessed inward from the side of the extending portion 13 and located between the setting groove 132 and the stopping protrusion 131, one end of the fastening guide groove 133 is connected to the setting groove 132, and the width of the opening formed by the fastening guide groove 133 on the side of the extending portion 13 is smaller than the width of the bottom of the fastening guide groove 133.
The first end portion 11 protrudes from the front end of the extending portion 13, and has an end surface and a fixed-mouth cavity 111, the fixed-mouth cavity 111 is formed in the end surface of the first end portion 11, and the fixed-mouth cavity 111 is provided for installing a crimping mold 51.
The second end portion 12 protrudes from the rear end of the extending portion 13 and is disposed opposite to the first end portion 11, the end surface of the first end portion 11 faces the second end portion 12, and the stopping protrusion 131, the fastening guide groove 133 and the disposing groove 132 are sequentially disposed between the first end portion 11 and the second end portion 12.
Referring to fig. 7, the driving device 20 is mounted on the second end 12 of the pressing seat 10. In the embodiment of the present invention, the driving device 20 is a hydraulic cylinder having a cylinder 21 and a piston rod 22, one end of the piston rod 22 is inserted into the cylinder 21, the other end of the piston rod 22 protrudes out of the cylinder 21, and the piston rod 22 can be driven to extend and retract relative to the cylinder 21.
As further shown in fig. 4, the die holder 30 is disposed between the first end 11 and the second end 12 of the press-connecting base 10 and connected to the piston rod 22 of the driving device 20, and the die holder 30 can be driven by the driving device 20 to move back and forth along a straight line approaching and departing from the first end 11. The die holder 30 has a ring side surface, a front end surface, a rear end surface, a moving die slot 31, a set of connecting slots 32 and an end slot 33. The front end surface of the die holder 30 faces the first end 11 of the pressure-bonding seat 10, the rear end surface of the die holder 30 faces the second end 12 of the pressure-bonding seat 10, and the rear end surface of the die holder 30 is connected to the driving device 20. The movable die cavity 31 is formed in the front end surface of the die seat 30, and the movable die cavity 31 is provided with a crimping die 52. The group of connecting grooves 32 are formed on the ring side surface of the die holder 30 in a concave manner and penetrate through the rear end surface of the die holder 30, and the width of the opening formed on the ring side surface of the die holder 30 by the group of connecting grooves 32 is smaller than the width of the bottom of the group of connecting grooves 32. The end slot 33 is formed concavely in the rear end face of the die holder 30.
The connecting block 40 has a fixed coupling portion 41 and a movable coupling portion 42. The shape of the cross section of the fixed assembly portion 41 matches with the shape of the cross section of the assembly groove 32 of the die holder 30, and the fixed assembly portion 41 is disposed in the assembly groove 32 and is fastened and fixed to the die holder 30. The cross-sectional shape of the movable assembly portion 42 matches the cross-sectional shape of the fastening guide groove 133 of the extension portion 13 of the pressing seat 10, and the movable assembly portion 42 is movably disposed in the fastening guide groove 133 to fasten with the pressing seat 10, when the die seat 30 is disposed on the pressing seat 10, the movable assembly portion 42 of the connecting block 40 is disposed in the disposing groove 132 of the extension portion 13 of the pressing seat 10, and then the movable assembly portion 42 can further move into the fastening guide groove 133.
In the embodiment of the present invention, a pin 43 is inserted through the fixing and assembling portion 41 of the connecting block 40 and the die holder 30 with a tight fit, so as to fix the connecting block 40 and the die holder 30 to each other. Specifically, the bolt 43 is disposed along the radial direction of the die holder 30, one end of the bolt 43 is tightly inserted into the assembling portion 41 of the connecting block 40, and the other end of the bolt 43 is tightly inserted into the die holder 30 and protrudes toward the end groove 33 of the die holder 30, so that a user can push the bolt 43 from either end of the bolt 43 to separate the bolt 43 from the connecting block 40 and the die holder 30, so as to detach and replace the connecting block 40 from the die holder 30.
In the embodiment of the present invention, the fastening guide groove 133 of the extension portion 13 of the pressure connection seat 10 and the assembling groove 32 of the die seat 30 are both grooves with a reverse T-shaped cross section, the movable assembling portion 42 and the fixed assembling portion 41 of the connecting block 40 are correspondingly formed as blocks with T-shaped cross-sections and can be respectively disposed in the fastening guide groove 133 and the assembling groove 32, but not limited thereto, the fastening groove 133 can also be a dovetail groove with a width gradually decreasing from the bottom of the fastening groove 133 to the side of the extension 13, so that two side walls in the fastening groove 133 are inclined, the assembling groove 32 can also be a dovetail groove whose width is gradually reduced from the bottom of the assembling groove 32 to the ring side surface of the die seat 30, so that two side walls in the assembling groove 32 are in the shape of inclined planes, the movable assembly portion 42 and the fixed assembly portion 41 of the connecting block 40 are correspondingly formed as blocks with dovetail-shaped cross sections and can be respectively arranged in the fastening guide groove 133 and the assembly groove 32.
Referring to fig. 7 and 8, the present invention is advantageous in that, by fastening the connecting block 40 to the crimping base 10 and the die base 30, a force of mutual pulling can be formed between the crimping seat 10 and the die seat 30, and the pulling force of the die seat 30 to the crimping seat 10, in crimping a sleeve portion of a cable terminal and terminals of a plurality of electric wires using the crimping apparatus of the present invention, the buckling deformation amplitude of the crimping seat 10 caused by stress can be effectively reduced, so that the service life of the crimping seat 10 is prolonged, particularly, the number of times that the crimp seat 10 can be used to crimp the cable terminal can be increased from twenty thousand times to forty to fifty thousand times, and furthermore, by the pulling force of the crimp seat 10 on the die seat 30, the die seat 30 and the piston rod 22 can be prevented from inclining towards the unconstrained side, thereby avoiding the situation that the driving device 20 can not be actuated after long-time use.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention in any way, and it will be apparent to those skilled in the art that various modifications, equivalents and improvements can be made in the above embodiments without departing from the scope of the invention.
Claims (9)
1. A cable terminal crimping device, characterized in that, the cable terminal crimping device includes a crimping seat, a driving device, a die holder and a connecting block, wherein:
the crimping seat has:
an extension part which is provided with a setting groove and a fastening guide groove, wherein the setting groove is concavely formed on one side surface of the extension part, the fastening guide groove is concavely formed on the side surface of the extension part, the fastening guide groove is positioned between the setting groove and the front end of the extension part, one end of the fastening guide groove is communicated with the setting groove, and the width of an opening formed on the side surface of the extension part by the fastening guide groove is smaller than the width of the bottom of the fastening guide groove;
a first end portion which is extended from the front end side of the extension portion; and
a second end part which protrudes from the rear end side of the extension part and is arranged corresponding to the position of the first end part;
the driving device is arranged at the second end part of the pressure joint seat;
the neck ring mold seat is arranged between the first end part and the second end part of the crimping seat and is connected with the driving device, the neck ring mold seat can be driven by the driving device to linearly move back and forth along a route close to and far away from the first end part, the neck ring mold seat is provided with a group of connecting grooves, and the inner concave of the group of connecting grooves is formed on one ring side surface of the neck ring mold seat;
the connecting block is provided with a fixed assembling part and a movable assembling part, the fixed assembling part is arranged in an assembling groove of the neck ring die seat and is fixedly connected with the neck ring die seat, the section shape of the movable assembling part is matched with the section shape of a fastening guide groove of an extension part of the crimping seat, the movable assembling part can be movably arranged in the fastening guide groove and is mutually fastened with the crimping seat, and the movable assembling part can move in a setting groove and the fastening guide groove of the extension part of the crimping seat.
2. The crimping device of a cable terminal according to claim 1,
the assembly groove of the die holder penetrates through the rear end face of the die holder, and the width of an opening formed by the assembly groove on the ring side face of the die holder is smaller than the width of the bottom of the assembly groove;
the section shape of the fixed connection part of the connecting block is matched with the section shape of the connection groove of the neck mold seat.
3. The crimping device of a cable terminal according to claim 1, wherein the cross-section of the catching groove of the extension portion of the crimp housing is in an inverted T-shape.
4. The crimping device of a cable terminal according to claim 2, wherein the cross-section of the catching groove of the extension portion of the crimp housing is in an inverted T-shape.
5. The crimping device of an electric cable terminal as claimed in claim 2 or 4, wherein the section of the assembling groove of the die holder is in an inverted T shape.
6. The crimping device of a cable terminal according to claim 1 or 2, wherein a rear end face of the die holder is recessed to form an end groove, a pin is disposed along a radial direction of the die holder, one end of the pin is fixedly inserted into the fixing portion of the connecting block, and the other end of the pin is fixedly inserted into the die holder and protrudes toward the end groove of the die holder.
7. The crimping device of an electric cable terminal as claimed in claim 1 or 2, wherein the extending portion of the crimping base further has a stopper projection provided on a side surface of the extending portion near a front end of the extending portion, the catching groove of the extending portion being located between the setting groove and the stopper projection.
8. The crimping device of a cable terminal according to claim 1 or 2,
the first end part of the pressure welding seat is provided with an end surface and a fixed die groove, the end surface of the first end part faces the second end part, and the fixed die groove is concavely formed on the end surface of the first end part;
the die holder is provided with a front end surface and a movable die groove, the front end surface of the die holder faces the first end part of the crimping seat, and the movable die groove is concavely formed on the front end surface of the die holder.
9. The crimping device of cable terminal as claimed in claim 1 or 2, wherein the driving device has a cylinder and a piston rod, one end of the piston rod is inserted into the cylinder, the other end of the piston rod protrudes out of the cylinder and is connected to the die holder, and the piston rod can be driven to extend and retract relative to the cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011103290.4A CN114374129A (en) | 2020-10-15 | 2020-10-15 | Crimping device of cable terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011103290.4A CN114374129A (en) | 2020-10-15 | 2020-10-15 | Crimping device of cable terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114374129A true CN114374129A (en) | 2022-04-19 |
Family
ID=81137996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011103290.4A Pending CN114374129A (en) | 2020-10-15 | 2020-10-15 | Crimping device of cable terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114374129A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0992425A (en) * | 1995-09-22 | 1997-04-04 | Nippon F C I:Kk | Connector compressing die and compressing tool using it |
| JPH10189201A (en) * | 1996-12-27 | 1998-07-21 | Nippon Fci Kk | Connector compression die |
| JPH11164436A (en) * | 1997-11-27 | 1999-06-18 | Chubu Electric Power Co Inc | Connector crimping tool |
| CN101247904A (en) * | 2005-08-26 | 2008-08-20 | Fci公司 | Hydraulic tool working head |
| TWM350909U (en) * | 2008-05-30 | 2009-02-11 | C & Amp J Entpr Co Ltd | Terminal clamping tool |
| CN105798207A (en) * | 2015-01-16 | 2016-07-27 | 里奇工具公司 | Deflection compensating press tools |
| WO2019245174A1 (en) * | 2018-06-18 | 2019-12-26 | 대원전기 주식회사 | Holdable hydraulic compressor and sleeve compression construction method using same |
| CN211088720U (en) * | 2020-01-21 | 2020-07-24 | 重庆市锐升电子有限公司 | Terminal crimping machine |
| CN213304560U (en) * | 2020-10-15 | 2021-05-28 | 科颉工业股份有限公司 | Crimping device of cable terminal |
-
2020
- 2020-10-15 CN CN202011103290.4A patent/CN114374129A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0992425A (en) * | 1995-09-22 | 1997-04-04 | Nippon F C I:Kk | Connector compressing die and compressing tool using it |
| JPH10189201A (en) * | 1996-12-27 | 1998-07-21 | Nippon Fci Kk | Connector compression die |
| JPH11164436A (en) * | 1997-11-27 | 1999-06-18 | Chubu Electric Power Co Inc | Connector crimping tool |
| CN101247904A (en) * | 2005-08-26 | 2008-08-20 | Fci公司 | Hydraulic tool working head |
| TWM350909U (en) * | 2008-05-30 | 2009-02-11 | C & Amp J Entpr Co Ltd | Terminal clamping tool |
| CN105798207A (en) * | 2015-01-16 | 2016-07-27 | 里奇工具公司 | Deflection compensating press tools |
| WO2019245174A1 (en) * | 2018-06-18 | 2019-12-26 | 대원전기 주식회사 | Holdable hydraulic compressor and sleeve compression construction method using same |
| CN211088720U (en) * | 2020-01-21 | 2020-07-24 | 重庆市锐升电子有限公司 | Terminal crimping machine |
| CN213304560U (en) * | 2020-10-15 | 2021-05-28 | 科颉工业股份有限公司 | Crimping device of cable terminal |
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