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CN-121983831-A - New energy harness high-current terminal crimping device and crimping method

CN121983831ACN 121983831 ACN121983831 ACN 121983831ACN-121983831-A

Abstract

The invention discloses a high-current terminal crimping device and a crimping method of a new energy wire harness, wherein the crimping device comprises a machine body, a pressing assembly, a crimping driving assembly, a crimping assembly, a conveyor, a terminal driving assembly, a wire harness driving assembly and a spraying assembly, wherein the machine body is used for supporting all parts of the whole crimping device, the pressing assembly is arranged on the machine body and is used for providing pressure for terminal crimping, the crimping driving assembly is arranged on the machine body and is positioned under the pressing assembly, the crimping assembly is arranged on the crimping driving assembly and is driven to move by the crimping driving assembly to realize segmented crimping of terminals, the conveyor is arranged behind the machine body and is arranged on the Ji Yajie assembly, the conveyor is used for driving the terminals to move, the terminal driving assembly is arranged above the conveyor and is used for clamping and pushing the terminals, and the wire harness driving assembly is arranged on the machine body.

Inventors

  • Jiang Zeshi
  • LUO JIANFANG
  • YU LEI

Assignees

  • 青岛恒泽电子有限公司

Dates

Publication Date
20260505
Application Date
20260323

Claims (10)

  1. 1. The utility model provides a new forms of energy pencil heavy current terminal crimping device which characterized in that includes: the machine body (1) is used for supporting all parts of the whole crimping device; the pressing assembly (2) is arranged on the machine body (1) and is used for providing pressure for terminal crimping; The crimping driving assembly (3), the crimping driving assembly (3) is arranged on the machine body (1), and the crimping driving assembly (3) is positioned right below the pressing assembly (2); The crimping assembly (4) is arranged on the crimping driving assembly (3), and the crimping assembly (4) is driven to move by the crimping driving assembly (3) so as to realize segmented crimping of the terminal; the conveyor (5) is arranged at the rear of the machine body (1), the conveyor (5) is arranged on the Ji Yajie assembly (4), and the conveyor (5) is used for driving the terminal to move; the terminal driving assembly (6) is arranged above the conveyor (5) and used for clamping and pushing the terminals; The wire harness driving assembly (7), the wire harness driving assembly (7) is arranged on the machine body (1), the wire harness driving assembly (7) is arranged in alignment with the terminal driving assembly (6), and the wire harness driving assembly (7) is used for driving the wire harness to be inserted into the terminal; the spraying assembly (8), spraying assembly (8) set up in organism (1) one side, just spraying assembly (8) discharge end links to each other with crimping subassembly (4) for carry out the antioxidant spraying to the terminal that the crimping is accomplished.
  2. 2. The high-current terminal crimping device for the new energy wiring harness, as set forth in claim 1, characterized in that a supporting frame (11) is arranged at the top of the machine body (1), a first bearing (111) is arranged at the top of the supporting frame (11), a communicating slot (112) is arranged on the supporting frame (11), a guide sleeve rod (113) is arranged at the position of the bottom of the supporting frame (11) aligned with the first bearing (111), a mounting opening (114) is arranged at the bottom of the supporting frame (11), a first guide groove (12) is transversely arranged on the upper surface of the machine body (1), second bearings (121) are arranged at two ends of the first guide groove (12), a second guide groove (13) is longitudinally arranged at the position of the upper surface of the machine body (1) aligned with the wiring harness driving assembly (7), a third bearing (131) is arranged at two ends of the second guide groove (13), a plurality of connecting male heads (14) are arranged on the machine body (1), a control panel (15) is arranged on the front surface of the machine body (1), a bottom tray (17) is arranged on one side of the machine body (1), a limit disc (16) is arranged on the right side of the machine body (17), the bottom tray (17) is matched with the limiting ring (16) to limit and support the spraying assembly (8), and supporting feet (18) are arranged at corners of the bottom surface of the machine body (1).
  3. 3. The high-current terminal crimping device of a new energy harness according to claim 2, wherein the pressing assembly (2) comprises a pressing motor (21), a transmission screw (22) and a pressing rod (23), a first connecting portion (221) is arranged at the top end of the transmission screw (22), the first connecting portion (221) is in interference connection with a first bearing (111), a first driving slot (222) is arranged on the upper surface of the first connecting portion (221), the output end of the pressing motor (21) is inserted into the first driving slot (222), a junction box (211) is arranged on the side face of the pressing motor (21), first fixing pins (212) are symmetrically arranged at two sides of one end of the pressing motor (21) attached to a supporting frame (11), a plurality of bolt holes (213) are formed in the first fixing pins (212), the pressing motor (21) is fixed at the top end of the supporting frame (11) through bolts passing through the bolt holes (213), the pressing rod (23) is inserted into the inner side of a guide sleeve rod (113), a first groove (231) is formed in the middle of the pressing rod (23), a first thread (231) is formed in the pressing rod (23), the pressing motor (21) is connected with the bottom end of the transmission screw (23) in a threaded mode, the bottom surface of the compression joint baffle plate (232) is provided with a plug rod (233).
  4. 4. The high-current terminal crimping device for the new energy wiring harness according to claim 3, wherein the crimping drive assembly (3) comprises a bearing plate (31), a crimping drive screw (32) and a crimping drive motor (33), second adapting parts (321) are arranged at two ends of the crimping drive screw (32), the second adapting parts (321) are in interference connection with the second bearing (121), a second drive slot (322) is arranged at one end, facing the crimping drive motor (33), of the crimping drive screw (32), an output end of the crimping drive motor (33) is connected with the second drive slot (322), a plurality of second fixing feet (331) are arranged at one end, attached to a machine body (1), of the crimping drive motor (33) is fixed on the machine body (1) through bolts penetrating through the second fixing feet (331), a plurality of connecting grooves (311) are formed in the upper surface of the bearing plate (31), a first connecting block (312) is arranged in the middle of the bottom surface of the bearing plate, a first threaded hole (313) is formed in the middle of the first connecting block (312), and the first bearing plate (31) is connected with the threaded hole (313).
  5. 5. The high-current terminal crimping device for a new energy wire harness according to claim 1, wherein the crimping assembly (4) comprises a supporting seat (41), a pre-pressing die (42), a main pressing die (43), a shaping die (44) and a spraying cover (45), the pre-pressing die (42), the main pressing die (43), the shaping die (44) and the spraying cover (45) are sequentially arranged on the supporting seat (41) from left to right, sliding grooves (413) are formed in the positions of the pair Ji Yuya of the supporting seat (41), the main pressing die (43), the shaping die (44) and the spraying cover (45), guide sliding blocks (422) are arranged in the positions of the pre-pressing die (42), the main pressing die (43), the shaping die (44) and the spraying cover (45) in the pair Ji Huacao (413), reset springs (423) are arranged on the bottom surfaces of the guide sliding blocks (422), end plates (424) are arranged on the bottom surfaces of the reset springs (423), connecting columns (425) are arranged on the bottom surfaces of the end plates (424), the connecting columns (425) are provided with pressing caps (426), and the connecting columns (426) are matched with the pressing dies (426) to fix the pre-pressing die (41) on the supporting seat (41) The plastic forming device comprises a plastic forming die (44) and a spraying cover (45), wherein pressing slots (421) are formed in the tops of the plastic forming die (44) and the spraying cover (45), a Ji Yuya die (42), a main pressing die (43) and a plastic forming die (44) are arranged at the bottom of a supporting seat (41), crimping tables matched with the plastic forming die are arranged on the bottom of the supporting seat (41), spraying cavities (451) are formed in the positions of the supporting seat (41) aligned with the spraying cover (45), a plurality of spray heads (452) are arranged in the spraying cavities (451), communicating cannulas (453) are arranged at the positions of the supporting seat (41) aligned with the two sides of the spraying cover (45) and are used for communicating with the internal pipelines of the spraying cavities (451) in the supporting seat (41) when the spraying cover (45) is pressed down, connecting pipes (454) are arranged on the side surfaces of the supporting seat (41), the connecting pipes (454) are communicated with the spray heads (452) on the inner sides of the supporting seat (41), connecting caps (455) are arranged at the ends of the connecting pipes (454), mounting feet (411) are arranged at the bottoms of the two sides of the supporting seat (41), and the mounting feet (412) are arranged on the two sides of the supporting seat (412), and the supporting seat (41) and pass through a plurality of counter bores (41).
  6. 6. The high-current terminal crimping device for the new energy wiring harness is characterized in that a conveying belt (52) is arranged on the inner side of the conveyor (5), flanges (53) are arranged on the two sides of the conveying belt (52), a conveying motor (51) is arranged at one side end of the conveyor (5), fixing plates (54) are arranged on the two sides of the conveyor (5), a plurality of fixing holes (55) are formed in the fixing plates (54), and the conveyor (5) is fixed on the inner side of a mounting port (114) through bolts penetrating through the fixing holes (55).
  7. 7. The high-current terminal crimping device of the new energy wiring harness is characterized in that the terminal driving assembly (6) comprises a first electric clamp holder (61) and a driving cylinder (62), a third fixing foot (621) is arranged at one end, attached to a supporting frame (11), of the driving cylinder (62), a plurality of through holes (622) are formed in the third fixing foot (621), the driving cylinder (62) is fixed to the supporting frame (11) through the through holes (622) through bolts, a limiting plate (623) is arranged at the end portion of a piston rod of the driving cylinder (62), a stud (624) is arranged in the middle of the limiting plate (623), a second thread groove (611) is formed in the position, aligned with the thread, of the first electric clamp holder (61) and the stud (624) in a threaded mode, first clamp claws (612) are symmetrically arranged at the two sides of the bottom of the first electric clamp holder (61), a first spring wire (613) is arranged at the end portion of the first spring wire (613), a first connecting head (614) is arranged at the end portion of the first spring wire, and the first connecting head (614) is electrically connected with the female connecting head (614).
  8. 8. The high-current terminal crimping device for the new energy wiring harness according to claim 2, wherein the wiring harness driving assembly (7) comprises a second electric clamp holder (71), a wiring harness driving screw (72) and a wiring harness driving motor (73), the wiring harness driving screw (72) is arranged inside a second guide groove (13), third switching parts (721) are arranged at two ends of the wiring harness driving screw (72), the third switching parts (721) are in interference connection with a third bearing (131), a third driving slot (722) is arranged at one end of the third switching parts (721) facing the wiring harness driving motor (73), the output end of the wiring harness driving motor (73) is inserted into the third driving slot (722), a plurality of fourth fixing pins (731) are arranged at one end of the wiring harness driving motor (73) which is attached to a machine body (1), the wiring harness driving motor (73) passes through the fourth fixing pins (731) to be fixed on the machine body (1) through bolts, second clamping claws (731) are symmetrically arranged at two sides of the upper surface of the second electric clamp holder (71), the second wiring harness driving motor (73) is provided with a third driving slot (722), the second clamping claw (712) is used for clamping a second connecting block (713) and the second connecting block (71) is provided with a threaded hole, the second threaded hole (713) is in threaded connection with the wire harness driving screw (72), a second spring wire (714) is arranged on the side face of the second electric clamp holder (71), a second connecting female head (715) is arranged at the end portion of the second spring wire (714), and the second connecting female head (715) is electrically connected with the connecting male head (14) on the machine body (1).
  9. 9. The high-current terminal crimping device of the new energy wiring harness is characterized in that the spraying assembly (8) comprises an antioxidant aerosol can (81) and a guide pipe (82), a valve (811) is arranged at the top end of the antioxidant aerosol can (81), a pressure gauge (813) is arranged on one side of the valve (811), an electromagnetic valve (812) is arranged beside the pressure gauge (813), the electromagnetic valve (812) is electrically connected with the machine body (1), an outer connecting pipe (814) is arranged at one end of the electromagnetic valve (812), an outer connecting cap (815) is arranged at the end of the outer connecting pipe (814), the outer connecting cap (815) is connected with one end of the guide pipe (82), and the other end of the guide pipe (82) is connected with a connecting cap (455) at the end of the connecting pipe (454).
  10. 10. A new energy harness heavy current terminal crimping method using the new energy harness heavy current terminal crimping device according to claim 5, characterized by comprising the following specific steps: s100, starting a crimping device, setting main parameters of crimping through an operation panel of a machine body (1), and simultaneously debugging a terminal driving assembly (6) and a wire harness driving assembly (7) to ensure accurate positions of the wire harness driving assembly (7) and the terminal driving assembly (6); S200, stripping an insulating layer from the end part of a new energy wire harness to expose a wire core, placing the wire harness on a wire harness driving assembly (7) to enable the wire core extension length to meet preset requirements, conveying a high-current terminal to a conveyor (5) through a feeding mechanism, and clamping and fixing the terminal by utilizing a terminal driving assembly (6); s300, controlling a wire harness driving assembly (7) and a terminal driving assembly (6) to synchronously clamp a wire harness and a terminal through a machine body (1), and driving a wire core at the end part of the wire harness to be inserted into the terminal through the wire harness driving assembly (7) and the terminal driving assembly (6); s400, controlling the crimping assembly (4), the pressing assembly (2) and the crimping driving assembly (3) to start through the machine body (1), enabling the crimping assembly (4), the pressing assembly (2) and the crimping driving assembly (3) to operate in a linkage mode, achieving the purpose of sectionally crimping the wire harness terminal, and performing antioxidant spraying operation after crimping is completed; S500, a control system in the machine body (1) stores all key parameters and crimping images in the crimping process to form crimping records, so that subsequent quality tracing, process optimization and problem investigation are facilitated.

Description

New energy harness high-current terminal crimping device and crimping method Technical Field The invention relates to the technical field of new energy wiring harness processing, in particular to a new energy wiring harness high-current terminal crimping device and a crimping method. Background With the rapid evolution of the new energy industry in the high-voltage and high-power directions, the harness of the new energy automobile has very strict requirements on the conductivity, mechanical strength and long-term reliability of terminal crimping. Terminal crimping is as the core process that new energy pencil was connected, and its crimping quality has directly decided transmission efficiency, security performance and the life of pencil, in case the crimping has the defect, very easily leads to contact resistance increase, local overheated, and then causes potential safety hazards such as insulating burn-out, terminal drop, can influence the normal operating of whole new energy equipment when serious. The invention patent with the publication number of CN119419559B discloses a new energy wire harness multi-wire crimping terminal machine, which comprises a processing table, wherein a feeding mechanism is arranged on the processing table, a crimping mechanism is arranged at the front side of the feeding mechanism, a peeling mechanism is arranged on the crimping mechanism, and a butt joint mechanism is arranged at the front side of the crimping mechanism. The feeding mechanism comprises a conveying assembly arranged on the processing table, an adjusting assembly arranged on the conveying assembly and a contraposition assembly arranged on the adjusting assembly. The crimping mechanism comprises a lifting assembly arranged on the processing table, a bearing assembly arranged on the lifting assembly, and a feeding assembly arranged on the bearing assembly. The peeling mechanism comprises an electric push rod I arranged on the lifting assembly, a driving assembly capable of moving up and down is arranged at the telescopic end of the electric push rod I, and a peeling assembly is arranged on the driving assembly. The novel energy source wire harness multi-wire crimping terminal machine provided by the patent can synchronously and stably plug and install a plurality of formed wire harness terminals into the terminal shell, and improves the overall efficiency of plug and installation of the wire harness terminals and the terminal shell. In practice, however, the terminals are mostly crimped on the wire harness through a crimping die at one time, the pressure distribution is uneven in the crimping process in the crimping mode, the metal lattice damage of the terminals is easy to cause, the mechanical drawing force of the crimping part is reduced, the contact resistance is obviously increased under the conditions of vibration and aging, the local overheating hidden danger is formed under the working condition of high voltage and high current, meanwhile, the size deviation caused by die abrasion can directly cause the drop of the yield cliff, the manufacturing requirement of the high-current wire harness of the new energy automobile is difficult to meet, and the antioxidation treatment can not be performed on the surfaces of the terminals after the crimping is finished, so that the service life of the terminals is influenced. Disclosure of Invention The invention aims to provide a high-current terminal crimping device and a crimping method for a new energy wire harness, and aims to solve the problems that most of existing terminals are crimped on the wire harness at one time through a crimping die, the metal lattice of the terminal is damaged easily due to uneven pressure distribution in the crimping process, and the surface of the terminal cannot be subjected to antioxidation treatment after the crimping is finished, so that the service life of the terminal is influenced. The invention is realized in the following way: In order to achieve the above object, according to one aspect of the present invention, there is provided a new energy harness high-current terminal crimping apparatus comprising: the machine body is used for supporting all parts of the whole crimping device; the pressing assembly is arranged on the machine body and used for providing pressure for terminal crimping; The crimping driving assembly is arranged on the machine body and is positioned right below the pressing assembly; the crimping assembly is arranged on the crimping driving assembly, and the crimping driving assembly drives the crimping assembly to move so as to realize segmented crimping of the terminal; the conveyor is arranged at the rear of the machine body, the conveyor pair Ji Yajie assemblies are arranged, and the conveyor is used for driving the terminals to move; The terminal driving assembly is arranged above the conveyor and used for clamping and pushing the terminals; The wire harness driving assembly is arranged on the machine b