CN-122000765-A - Wire stripping and jointing device for wire harness processing and process thereof

Abstract

The invention discloses an electric wire peeling and jointing device for wire harness processing and a process thereof, which are applied to the technical field of wire harness processing equipment and have the technical scheme that the device comprises a base; the wire harness clamping and conveying assembly is characterized in that a special wire clamping and positioning assembly for conveying and positioning special wire harnesses, a thermal shrinkage tube sleeving assembly for sleeving large and small heat shrinkage tubes at two ends of the special wire sequentially, a special wire stripping assembly for stripping insulation layers at two ends of the special wire, a wire output stripping assembly, a wire crimping assembly for realizing conduction butt joint of the special wire and a conventional wire, a hot-press welding assembly for clamping small heat shrinkage tubes and large heat shrinkage tubes sequentially and carrying out hot-press welding, and a cooling and blanking assembly for realizing blanking of finished wire harnesses are sequentially arranged on the base, and the wire harness clamping and conveying assembly for clamping the wire harnesses and driving the wire harnesses to carry is fixedly connected on the base.

Inventors

• ZOU QING
• JI GANG
• WU BIN

Assignees

• 无锡市夏音电器有限公司

Dates

Publication Date

20260508

Application Date

20260323

Claims (10)

1. 1. The wire stripping and jointing device for the wire harness processing comprises a base (1) and is characterized in that a special wire clamping and positioning assembly (2) for conveying and positioning special wire harnesses, a heat shrinkage tube sleeving assembly (3) for sleeving large heat shrinkage tubes and small heat shrinkage tubes at two ends of the special wire in sequence, a special wire stripping assembly (4) for stripping insulation layers at two ends of the special wire, a wire output stripping assembly (5) for clamping a conventional wire and stripping one end of the conventional wire, a wire crimping assembly (6) for conducting and butting the special wire and the conventional wire, a heat-welding assembly (7) for clamping small heat shrinkage tubes and large heat shrinkage tubes in sequence and performing heat-welding and a cooling blanking assembly (8) for realizing blanking of finished wire harnesses are sequentially arranged on the base (1), and a clamping and conveying assembly (9) for clamping the wire harnesses and driving the wire harnesses to convey are fixedly connected to the base (1).
2. 2. The wire stripping and jointing device for wire harness processing according to claim 1, wherein the wire harness clamping and conveying assembly (9) comprises a horizontal conveying screw rod sliding table (91) fixedly connected to the base (1) along a horizontal direction and a horizontal reciprocating conveying seat (92) fixedly connected to a sliding end of the horizontal conveying screw rod sliding table (91), a plurality of telescopic cylinder sliding tables (93) arranged along a direction perpendicular to the wire harness conveying direction are slidingly connected to the horizontal reciprocating conveying seat (92) at uniform intervals along the horizontal direction, a vertical lifting cylinder (94) is fixedly connected to a sliding end of the telescopic cylinder sliding table (93) along a vertical direction, a horizontal mounting seat (95) is fixedly connected to a telescopic end of the vertical lifting cylinder (94), a group of first clamping cylinders (96) for clamping the end of a special wire are fixedly connected to the horizontal mounting seat (95), and a first wire harness clamping block (97) is fixedly connected to a clamping end of the first clamping cylinder (96).
3. 3. The wire stripping and jointing device for wire harness processing according to claim 1, wherein the special wire clamping and positioning assembly (2) comprises a special wire output seat (21) which is fixedly connected to the base (1) along a direction perpendicular to a wire harness conveying direction and a rotary telescopic cylinder (23) which is fixedly connected to the base (1) along a vertical direction based on a clamping and positioning frame (22), a deflection block (24) is fixedly connected to a rotary shaft of the rotary telescopic cylinder (23), a second clamping cylinder (25) for clamping a special wire head is fixedly connected to the deflection block (24), a second wire harness clamping block (26) is fixedly connected to a clamping end of the second clamping cylinder (25), a wire cutting cylinder (27) is fixedly connected to a clamping and positioning frame (22) along a vertical direction, and a wire cutting knife (28) is fixedly connected to a telescopic end of the special wire cutting cylinder (27).
4. 4. The wire stripping and jointing device for wire harness processing according to claim 1, wherein the heat-shrinkable tube sleeving assembly (3) comprises a group of heat-shrinkable tube output seats (31) which are fixedly connected to the base (1) along a direction perpendicular to a wire harness conveying direction and heat-shrinkable tube cutting cylinders (32) which are fixedly connected to outlet ends of the heat-shrinkable tube output seats (31) along a direction perpendicular to the wire harness conveying direction, a heat-shrinkable tube cutting knife (33) is fixedly connected to telescopic ends of the heat-shrinkable tube cutting cylinders (32), a sleeving fixing seat (34) is fixedly connected to the base (1), a first heat-shrinkable tube clamping cylinder (36) is slidingly connected to the sleeving fixing seat (34) along a direction perpendicular to the wire harness conveying direction, and a first heat-shrinkable tube clamping block (37) which is used for clamping the heat-shrinkable tubes is fixedly connected to clamping ends of the first heat-shrinkable tube clamping cylinder (36).
5. 5. The wire stripping and bonding device for wire harness processing according to claim 1, wherein the wire output wire stripping assembly (5) comprises a wire conveying seat (51) which is arranged in parallel with the base (1), the wire conveying seat (51) is sequentially provided with a wire output seat (52) which is arranged along the direction perpendicular to the wire conveying seat (51) and is used for outputting wires, a wire stripping assembly (53) which is used for stripping one end of each wire and a wire clamping and conveying assembly (54) which is used for realizing wire conveying, an outlet end of the wire output seat (52) is symmetrically and fixedly connected with a wire cutting cylinder (55) along the vertical direction, a telescopic end of the wire cutting cylinder (55) is fixedly connected with a wire cutting knife (56), the wire clamping and conveying assembly (54) comprises a first horizontal conveying screw sliding table (541) which is fixedly connected with the wire conveying seat (51) along the direction perpendicular to the wire conveying direction, a second horizontal conveying sliding table (542) which is fixedly connected with a sliding end of the first horizontal conveying screw sliding table (541), a second clamping and a third clamping and conveying screw (542) which is fixedly connected with a third clamping and conveying cylinder (543) is fixedly connected with a wire clamping and clamping end of the wire rod (543).
6. 6. The wire stripping and jointing device for harness processing according to claim 5, wherein the wire stripping assembly (53) and the special wire stripping assembly (4) comprise a stripping fixing seat (531) fixedly arranged along a vertical direction and a stripping air cylinder (532) symmetrically and fixedly connected to the stripping fixing seat (531) along the vertical direction, a stripping plate (533) is fixedly connected to a telescopic end of the stripping air cylinder (532), and a stripping groove (534) is formed in the stripping plate (533).
7. 7. The wire stripping and jointing device for wire harness processing according to claim 1, wherein the wire crimping assembly (6) comprises a material belt guide groove (61) fixedly connected to the base (1) along a horizontal direction and used for conveying a wire compression ring material belt, the base (1) is respectively and rotatably connected with a material belt feeding disc (62) and a material belt receiving disc (63) at two ends of the material belt guide groove (61), the base (1) is fixedly connected with a material receiving and discharging driving motor which drives the material belt feeding disc (62) and the material belt receiving disc (63) to rotate, a crimping cylinder (64) is fixedly connected to the base (1) along a special direction, a telescopic end of the crimping cylinder (64) is fixedly connected with a material pressing block (65) which is used for fixedly crimping and connecting a wire thread head and the wire thread head in the wire compression ring, and the material pressing block (65) is provided with a material pressing block (66).
8. 8. The wire stripping and jointing device for wire harness processing according to claim 1, wherein the hot-press welding assembly (7) comprises a hot-press welding seat (73) which is fixedly arranged, a hot-press conveying cylinder sliding table (74) which is arranged along a direction perpendicular to the wire harness conveying direction is fixedly connected to the hot-press welding seat (73), a second heat-shrink tube clamping cylinder (75) and a hot-press clamping cylinder (76) are fixedly connected to sliding ends of the hot-press conveying cylinder sliding table (74) respectively, a second heat-shrink tube clamping block used for clamping the heat-shrink tube is fixedly connected to a clamping end of the second heat-shrink tube clamping cylinder (75), clamping heat-shrink plates (78) used for wrapping the heat-shrink tube and performing heating heat shrinkage on the heat-shrink tube are symmetrically and fixedly connected to the clamping ends of the hot-press clamping cylinder (76), positioning grooves (79) used for positioning the heat-shrink tube are respectively arranged at two ends of the clamping heat-shrink plates (78), and sealing reinforcing grooves (710) extending towards two sides are respectively arranged at two ends of the positioning grooves (79).
9. 9. The wire stripping and jointing device for wire harness processing according to claim 1, wherein the cooling blanking component (8) comprises a cooling seat (81) fixedly connected to the base (1) along a horizontal direction and a cold air outlet uniformly formed in the cooling seat (81) along a wire harness conveying direction, a communicating cavity (83) communicated with the cold air outlet and a cold air inlet pipe (84) fixedly connected with the communicating cavity (83) for introducing cold air are formed in the cooling seat (81), a blanking cylinder sliding table (85) is fixedly connected to the base (1) along the wire harness conveying direction, a blanking clamping cylinder (86) for clamping a wire harness is fixedly connected to a sliding end of the blanking cylinder sliding table (85), and a blanking clamping block (87) is fixedly connected to a clamping end of the blanking clamping cylinder (86).
10. 10. Wire stripping and bonding process for wire harness processing, which is applied to the wire stripping and bonding device for wire harness processing according to any one of claims 1 to 9, and is characterized by comprising the following steps: Firstly, outputting a fixed-length special wire by a special wire clamping and positioning assembly (2) and bending the special wire to realize clamping and positioning of two ends of the special wire, and conveying the special wire to a thermal shrinkage tube sleeving station by a wire harness clamping and conveying assembly (9); step 2, sleeving large-diameter and small-diameter heat shrinkage pipes on two ends of the special wire in sequence by the heat shrinkage pipe sleeving assembly (3), and conveying the special wire to a special wire stripping station by the wire harness clamping and conveying assembly (9); step 3, stripping insulating layers at two ends of the special wire by the special wire stripping assembly (4), outputting a fixed-length wire by the wire output wire stripping assembly (5) and stripping the insulating layer at one end of the wire, conveying the special wire to a wire crimping station by the wire harness clamping conveying assembly (9), and outputting the wire to the wire crimping station by the wire output wire stripping assembly (5) at the same time; step 4, inserting the special wire connector into the wire pressing ring from one side by the wire harness clamping and conveying assembly (9), inserting the wire connector into the wire pressing ring from the other end by the wire harness clamping and conveying assembly (9), then pressing down the wire pressing ring to realize conduction between the special wire and the wire, and conveying the bonded wire harness to a hot-press welding station by the wire harness clamping and conveying assembly (9); Step 5, a hot-press welding assembly (7) sequentially moves the small-diameter heat shrinkage tube and the large-diameter heat shrinkage tube to the joint of the wire harness and carries out hot-pressing to enable the heat shrinkage tube to shrink, so that sealing of the joint of the wire harness is completed, and a wire harness clamping and conveying assembly (9) conveys the wire harness to a blanking station; And 6, clamping the finished wire harness by a cooling and blanking assembly (8) to realize blanking of the finished wire harness, and cooling a wire harness connector in the wire harness blanking process.

Description

Wire stripping and jointing device for wire harness processing and process thereof Technical Field The invention relates to the technical field of wire harness processing equipment, in particular to an electric wire peeling and jointing device for wire harness processing and a process thereof. Background The wire harness connection is an indispensable procedure in the industries of electronics, electrical appliances, automobile manufacturing and the like, particularly in special wire harness application scenes such as heating wire harnesses, high-temperature-resistant wire harnesses, sensor wire harnesses and the like, a structural design that a middle special functional wire (such as a yellow/red high-temperature-resistant and corrosion-resistant wire) is butted with two-end conventional leads (such as a white PVC (polyvinyl chloride) wire) is adopted, wherein the middle special wire can meet the use requirements of severe working conditions such as high temperature, humidity and corrosion, the two-end white wire is used for the general conventional wire in the practical industry so as to greatly reduce the material cost, and then the butted connection reliability and the waterproof tightness directly determine the use safety and the service life of the wire harness in the outdoor and humid environment due to the higher requirements on the waterproof tightness. At present, aiming at the butt joint operation of wires with different insulating jackets, the industry adopts a manual step-by-step operation mode to finish the processing, namely firstly, the insulating layers at the end parts of the two wires to be butt-jointed are removed by a wire stripping tool manually to expose the inner metal wire cores, then the crimping conduction of the two wire cores is finished through a metal connecting structure, and finally, a waterproof insulating tape is wound at the connecting position or a heat shrinkage tube is sleeved manually to finish sealing protection; on the one hand, the wire stripping process is easy to damage the wire core and uneven wire stripping length, the crimping process is easy to have the defects of incomplete crimping and broken wire in a virtual joint mode, the follow-up waterproof sealing operation is poor in consistency, so that the problem of sealing failure is extremely easy to occur, the use requirement of special functional wires cannot be met, on the other hand, the processing efficiency of manually carrying out wire stripping is extremely low, the processing production requirements of large-scale and batch wire harness processing cannot be met, the wire harness processing equipment on the market can only realize wire stripping, crimping and other operations, manual matching is still needed to realize wire harness abutting joint, the processing efficiency is lower, and therefore, the equipment capable of realizing automatic wire harness abutting joint and guaranteeing the abutting joint effect is necessary to design so as to solve the problem. Disclosure of Invention The first object of the invention is to provide an electric wire stripping and jointing device for wire harness processing, which has the advantages of realizing full-automatic butt joint of wire harnesses, improving the wire harness processing efficiency and ensuring the wire harness butt joint effect. The wire stripping and jointing device for wire harness processing comprises a base, wherein a special wire clamping and positioning assembly for conveying and positioning a special wire harness, a heat shrinkage tube sleeving assembly for sleeving large heat shrink tubes and small heat shrink tubes at two ends of the special wire in sequence, a special wire stripping assembly for stripping insulation layers at two ends of the special wire, a wire output stripping assembly for clamping a conventional wire and stripping one end of the conventional wire, a wire crimping assembly for realizing conduction butt joint of the special wire and the conventional wire, a heat-pressing welding assembly for clamping small heat shrink tubes and large heat shrink tubes in sequence and performing heat-pressing welding, and a cooling and blanking assembly for realizing finished wire harness blanking are sequentially arranged on the base, and the wire harness clamping and conveying assembly for clamping the wire harness and driving the wire harness to convey is fixedly connected to the base. The wire harness clamping and conveying assembly is further arranged to comprise a horizontal conveying screw rod sliding table fixedly connected to the base in the horizontal direction and a horizontal reciprocating conveying seat fixedly connected to the sliding end of the horizontal conveying screw rod sliding table in the horizontal direction, a plurality of telescopic cylinder sliding tables arranged in the direction perpendicular to the wire harness conveying direction are uniformly and alternately connected to the horizontal reciprocating conveyin