A high-frequency crimping device for wire harness production with rapid cooling
By combining the design of molding mechanism, conveying mechanism, wire feeding mechanism and terminal feeding mechanism, and with heating and cooling components, the problems of incomplete crimping and low production efficiency are solved, and high-precision, reliable and efficient wire harness production is achieved.
Patent Information
- Application Number
- CN202410826257.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-25
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2044-06-25
AI Technical Summary
Existing crimping devices suffer from problems such as incomplete crimping, low production efficiency, poor safety, and low crimping accuracy, which are particularly evident in mass production.
The device employs a combined design of a molding mechanism, a conveying mechanism, a wire feeding mechanism, a terminal feeding mechanism, and a collection box. Combined with heating and cooling components, it achieves precise crimping and rapid cooling of wires and terminals. The wire feeding mechanism controls wire feeding and stripping, the conveying mechanism transports the wire, the terminal feeding mechanism feeds the terminals, the molding mechanism forms the crimped shape, and the cooling component rapidly cools the connection area.
It improves the accuracy and reliability of crimping, ensures the long-term stability of the connection, increases production efficiency, reduces the need for manual operation, and achieves the goal of high-frequency, high-efficiency, and high-quality production.
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Figure CN118738973B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of crimping equipment, in particular to a high-frequency crimping device for wire harness production with rapid cooling. BACKGROUND
[0002] With the rapid development of electronic information technology, automobile industry, aerospace and other fields, the demand for electric wires and cables increases, and the splicing process of terminals and wires is particularly important. Crimping technology is a key process step in the manufacturing and application fields of electric wires and cables, which directly affects the quality and performance of the products.
[0003] At present, the existing crimping device uses a mold pressing mechanism to press and splice terminals and wires, and manually feeds the wires and terminal materials to achieve the purpose of splicing terminals and wires.
[0004] For the above-mentioned related technology, first, the terminal needs to be pressed and wrapped around the wire during the pressing process, and the terminal itself has a certain toughness, which leads to material scrap due to incomplete crimping. Especially in the face of mass production and diversification, it leads to low production efficiency. Secondly, manual crimping can cause incomplete crimping accuracy. Finally, the length of the wire and the feeding of the terminal material through manual feeding can reduce safety and lead to a decrease in production efficiency. Therefore, the technical personnel in the field provide a high-frequency crimping device for wire harness production with rapid cooling to solve the problems raised in the above background. SUMMARY
[0005] The purpose of the present application is to provide a high-frequency crimping device for wire harness production with rapid cooling to solve the problems raised in the above background.
[0006] In order to solve the above technical problems, the present application provides the following technical scheme:
[0007] A high-frequency crimping device for wire harness production with rapid cooling includes a mold pressing mechanism, a conveying mechanism, a wire feeding mechanism, a terminal feeding mechanism and a collection box. The mold pressing mechanism and the conveying mechanism are tightly connected. The wire feeding mechanism is located away from one end of the mold pressing mechanism. The wire feeding mechanism and the conveying mechanism are tightly connected. The terminal feeding mechanism and the mold pressing mechanism are tightly connected. The collection box and the mold pressing mechanism are tightly connected. The mold pressing mechanism is provided with a discharge port, and the collection box is located below the discharge port.
[0008] By adopting the above technical scheme, the wire material feeding mechanism is used for feeding the wire material, the length of the wire material feeding can be controlled by the wire material feeding mechanism, and the wire stripping treatment is performed on the front end of the wire material, so as to facilitate the subsequent crimping of the wire material and the terminal. The wire material and the wire stripping skin are conveyed by the conveying mechanism and enter the collecting box through the discharge port. The terminal material is fed by the terminal material feeding mechanism. The mold pressing mechanism is responsible for forming the crimping shape, and the terminal material and the wire material are crimped together. Meanwhile, the terminal can be preheated to reduce the hardness of the material and improve the plastic deformation capacity during crimping. After crimping, the connection part is quickly cooled to accelerate the hardening of the material, lock the crimping shape, and ensure the long-term stability of the connection.
[0009] Further, the mold pressing mechanism includes a mold pressing frame, a crimping assembly, a heating assembly, and a cooling assembly. The crimping assembly is fixedly connected with the mold pressing frame. The heating assembly is fixedly connected with the crimping assembly and located in the crimping assembly. The cooling assembly is fixedly connected with the crimping assembly and located in the crimping assembly.
[0010] By adopting the above technical scheme, first, the crimping assembly is fixedly connected with the mold pressing frame to ensure the stability of the operation. The heating assembly is fixedly connected with the crimping assembly and located in the crimping assembly, which allows the terminal and the wire material to be preheated during the crimping process, thereby reducing the hardness of the material and improving the plasticity to ensure the full flow and close combination of the metal during the crimping process. Subsequently, the cooling assembly is fixedly connected with the crimping assembly and located in the crimping assembly, which quickly cools the crimping part to room temperature to accelerate the hardening of the material, lock the crimping shape, and realize seamless connection from heating, crimping to cooling. This greatly improves the production efficiency while ensuring the high reliability and stability of the crimping connection. By precisely controlling the heating temperature, crimping force, and cooling speed, the device can adapt to different material and specification crimping requirements to achieve high-frequency, high-efficiency, and high-quality production goals.
[0011] Further, the crimping assembly includes a first hydraulic cylinder, a second hydraulic cylinder, a third hydraulic cylinder, a pressing block, a wire end pressing die, a terminal end pressing die, and a lower die. The first hydraulic cylinder is drivingly connected with the pressing block, and the first hydraulic cylinder is fixedly connected with the mold pressing frame. The second hydraulic cylinder is drivingly connected with the wire end pressing die, and the second hydraulic cylinder is fixedly connected with the mold pressing frame. The third hydraulic cylinder is drivingly connected with the terminal end pressing die, and the third hydraulic cylinder is fixedly connected with the mold pressing frame. The lower bottom surface of the wire end pressing die is lower than that of the terminal end pressing die. The lower die is fixedly connected with the mold pressing frame.
[0012] By adopting the technical scheme, when the work flow starts, the wire and the terminal are located at the predetermined crimping position, the wire end pressing die is preferentially pressed to the lower die, then the terminal end pressing die is pressed to the lower die, and finally the pressing block is pressed to the conveying mechanism, the second hydraulic cylinder and the third hydraulic cylinder are respectively in transmission connection with the wire end pressing die and the terminal end pressing die, so that the wire and the terminal can be accurately and independently crimped, the lower bottom surface of the wire end pressing die is arranged to be lower than that of the terminal end pressing die, and the finished product after crimping is more easily separated from the crimping assembly due to the height difference when the crimping is completed, so that the wire and the terminal can be more closely matched during crimping, the connection quality of the crimping point is ensured, the lower die is in fastening connection with the die pressing frame as a support platform of the entire crimping process, and the stability and accuracy of operation are ensured, so that the wire and the terminal are quickly and accurately crimped, the production efficiency is improved, the high reliability and long-term stability of the crimping connection point are ensured, and the purpose of improving production quality and efficiency is achieved.
[0013] Further, the heating assembly comprises a heating pipe, a heating coil, a heat-conducting layer and an insulating layer, the insulating layer is in fastening connection with the lower die, the heat-conducting layer is in fastening connection with the insulating layer, the heat-conducting layer is in fastening connection with the heating pipe, and the heating coil is in fastening connection with the heating pipe.
[0014] By adopting the technical scheme, the heating coil generates heat through electric current, the heat is transmitted to the heat-conducting layer through the heating pipe, the heat-conducting layer uniformly distributes the heat to the terminal to be crimped, the fastening connection of the heating pipe and the heating coil ensures effective heat transmission, the fastening connection of the heat-conducting layer and the insulating layer not only effectively isolates heat and prevents heat loss, but also protects other parts of the equipment from heat damage, the design of the insulating layer is fastened to the lower die, which further ensures the safety of the heating process, avoids the safety hazard caused by the direct contact of the electric heating element with the metal parts of the equipment, the heating assembly can quickly heat the terminal, improve the plasticity of the material, make the metal flow and combine better during the crimping process, finally achieve the effect of improving the crimping quality and reducing the defective rate, ensure the electrical performance and mechanical strength of the crimping part, and prolong the service life of the product.
[0015] Further, the cooling assembly comprises a cooling pipeline, a cooling medium circulating pump, a cooling medium storage tank and a heat exchanger, the cooling pipeline is in fastening connection with the terminal end pressing die, the cooling pipeline and the cooling medium circulating pump are in communication, the pipeline and the cooling medium storage tank are in communication, and the heat exchanger and the cooling pipeline are in communication.
[0016] By adopting the above technical scheme, the cooling medium is extracted from the cooling medium storage tank by the cooling medium circulating pump, exchanges heat with the high-temperature area in the cooling pipeline through the heat exchanger, absorbs the heat generated in the crimping process, and then flows back to the storage tank for cooling circulation. The cooling pipeline is directly fastened and connected with the terminal end mold, which ensures that the cooling medium can directly act on the crimping part, realizes rapid and effective cooling, not only accelerates the cooling speed of the connection after crimping, but also ensures that the temperature of the cooling medium can be quickly reduced through the high-efficiency heat exchange capacity of the heat exchanger, so as to maintain the continuous operation of the system. Through such a cooling process, the crimping part can be quickly cooled and solidified after high-temperature crimping, effectively avoiding the instability of the metal structure caused by uneven or insufficient cooling, thereby ensuring the mechanical strength and electrical performance of the crimping connection point. In addition, the rapid cooling process also helps to improve production efficiency because it reduces the time required for each crimping cycle, enabling the equipment to process more wires and terminals in a shorter period of time, achieving the dual effect of improving production efficiency and ensuring product quality.
[0017] Further, the conveying mechanism includes a conveying frame, a conveying table, an elastic member, a conveying wheel, a conveying motor, and a terminal cutter head. The conveying frame is fastened and connected with the mold pressing frame, the conveying frame is slidingly connected with the conveying table, the elastic member is fastened and connected with the conveying table, the conveying frame is fastened and connected with the elastic member, the terminal cutter head is fastened and connected with the conveying frame, the terminal cutter head is slidingly connected with the conveying table, the conveying motor is drivingly connected with the conveying wheel, and the conveying motor is fastened and connected with the conveying table.
[0018] By adopting the above technical scheme, the conveying motor drives the conveying wheel to rotate, and through the fastening connection with the conveying table, power transmission to the conveying table is realized, thereby pushing the wire or stripped skin on the conveying table forward. The fastening connection of the conveying frame and the mold pressing frame ensures the stability of the entire conveying system, and the sliding connection of the conveying frame and the conveying table allows the conveying table to be adjusted up and down on the conveying frame. The use of the elastic member not only connects the conveying frame and the conveying table, but also provides necessary recovery measures so that when the pressing block presses the conveying table, it drives the conveying table to descend, not only reducing the impact and vibration during movement to ensure the stability of the transmission process, but also enabling the terminal cutter head to cut the terminal accurately. The sliding connection of the terminal cutter head with the conveying table and the fastening connection of the terminal cutter head with the conveying frame together realize high-precision positioning and cutting during the conveying process. Through this way, the equipment can complete the cutting task without stopping the transmission, greatly improving the production efficiency, thereby realizing the integrated and automated process from raw material conveying, accurate positioning to final cutting processing, significantly improving the production efficiency and processing precision. In addition, the high stability and adjustability of the entire conveying process also ensure the product quality, meet the demand of high-speed and high-precision production, and achieve the effect of improving production efficiency and product quality.
[0019] Further, the wire feeding mechanism comprises a wire feeding motor, a wire feeding disc, a winding motor, a rotating disc assembly, a wire cutting assembly, a first gear, a second gear, a belt and a wire feeding frame, the wire feeding motor is fixedly connected with the wire feeding frame, the wire feeding motor is in transmission connection with the wire feeding disc, the wire feeding motor is in transmission connection with the first gear, the first gear is in transmission connection with the second gear, the second gear is in transmission connection with the belt, the wire cutting assembly is fixedly connected with the wire feeding frame, the winding motor is fixedly connected with the wire feeding frame, and the rotating disc assembly is in transmission connection with the winding motor.
[0020] By adopting the above technical scheme, the wire feeding motor serves as a power source, drives the wire to be smoothly sent out from the wire feeding disc through transmission connection with the wire feeding disc, and simultaneously, the motor also transmits power to the wire cutting assembly and the rotating disc assembly through the first gear, the second gear and the belt, so as to realize accurate winding and cutting of the wire, transmission connection between the winding motor and the rotating disc assembly ensures that the wire can be wound to a suitable position in a preset mode, so as to prepare for cutting, the wire cutting assembly is responsible for accurately cutting the wire at a suitable length, so as to meet different length specifications of production requirements, thereby ensuring high efficiency and high precision of the wire feeding, winding and cutting processes, improving the automation level and production efficiency of the whole production, through such a wire feeding mechanism, automatic feeding, automatic winding and automatic cutting of the wire are realized, manual operation is greatly reduced, production efficiency and product consistency are improved, in addition, high-precision control of the mechanism also ensures the accuracy of the wire cutting length, meets the demand of high-quality production, and achieves the effects of improving production efficiency, reducing cost and improving product quality.
[0021] Further, the wire cutting assembly comprises a cutter, a linear displacement sensor and a cutting hydraulic cylinder, the cutter is in transmission connection with the cutting hydraulic cylinder, the wire feeding frame is fixedly connected with the cutting hydraulic cylinder, the linear displacement sensor is fixedly connected with the wire feeding frame, the rotating disc assembly comprises a rotating disc body, an iris assembly, a transmission wheel, a transmission motor, a ring cutter, a cutter holder ring, a ring cutter motor and a rotating motor, the rotating disc body is in transmission connection with the winding motor, the iris assembly is fixedly connected, the transmission wheel is in transmission connection with the transmission motor, the transmission motor is fixedly connected with the rotating disc body, the iris assembly is fixedly connected with the rotating disc body, the ring cutter is in transmission connection with the cutter holder ring motor, the ring cutter motor is fixedly connected with the rotating disc body, the ring cutter is in rotation connection with the cutter holder ring, the rotating motor is in transmission connection with the cutter holder ring, the rotating motor is fixedly connected with the rotating disc body, and the rotating disc body is in rotation connection with the cutter holder ring.
[0022] By adopting the above technical scheme, the rotating disc assembly is connected in transmission with the rotating disc body by using the winding motor, and cooperates with the iris assembly and the transmission wheel for accurate control, so that automatic winding of the wire is realized, the cutter holder ring and the cutter holder ring motor are connected, and the cutter holder ring and the rotating motor are cooperatively used, thereby further ensuring the stripping efficiency of the wire during winding. The cooperative work of stripping, winding and cutting not only improves the automation level of production, but also ensures the consistency and accuracy of the wire length and cutting quality through accurate control, so that the production efficiency is improved, the labor cost is reduced, and the product quality standard and consistency are ensured.
[0023] Further, the terminal feeding mechanism includes a conveying plate, a terminal feeding disc and a terminal feeding motor, the conveying plate and the conveying groove are in abutment, the conveying plate and the terminal feeding disc are in abutment, the conveying plate and the conveying frame are fastened together, the terminal feeding motor is in transmission connection with the terminal feeding disc, and the terminal feeding motor is fastened to the mold pressing frame.
[0024] By adopting the above technical scheme, the power output of the terminal feeding motor drives the terminal feeding disc to rotate, so that continuous feeding of the terminal is realized. The terminal is fed from the terminal feeding disc to the conveying groove through the conveying plate, and the close abutment of the conveying plate and the conveying groove ensures the stability and accuracy of the terminal during conveying, avoids mispositioning or overturning of the terminal, and ensures smooth conveying. The power transmission design of the terminal feeding motor is efficient and stable, and the transmission connection of the terminal feeding disc and the fastening connection of the mold pressing frame form a stable and reliable feeding system, which not only ensures the continuity and stability of terminal conveying, but also realizes synchronous work with the pressure connecting mechanism through accurate control of the feeding speed and time, ensures that each terminal is accurately positioned, and provides a stable material basis for pressure connecting operation. Through such a terminal feeding mechanism, the production efficiency is improved, the demand for manual operation is reduced, and the accuracy and stability of terminal feeding are ensured, so that the pressure connecting operation is completed with high quality.
[0025] Compared with the prior art, the beneficial effects achieved by the present application are:
[0026] The wire feeding mechanism is used for feeding the wire, the length of the wire feeding can be controlled by the wire feeding mechanism, and the front end of the wire is stripped for subsequent pressure connection of the wire and the terminal. The wire and the stripped skin are conveyed by the conveying mechanism and fed into the collection box through the discharge port. The terminal material is fed by the terminal feeding mechanism, the pressure connecting shape is formed by the mold pressing mechanism, the terminal material and the wire material are pressure connected together, the terminal can be preheated to reduce the hardness of the material and improve the plastic deformation ability during pressure connection, the connection part is quickly cooled after pressure connection to accelerate the hardening of the material and lock the pressure connection shape, and the long-term stability of the connection is ensured.
[0027] The rotating disc assembly is connected with the rotating disc body by a winding motor, and cooperates with the iris assembly and the transmission wheel for precise control, so as to realize automatic winding of the wire, and further ensure the stripping efficiency of the wire in the winding process through the connection of the cutter holder ring and the cutter holder ring motor and the cooperation of the cutter holder ring and the rotating motor. The cooperative work of stripping, winding and cutting not only improves the automation level of production, but also ensures the consistency and accuracy of the wire length and cutting quality through precise control, and the effects include improving the production efficiency, reducing the labor cost, and ensuring the product quality standard and consistency.
[0028] When the work flow starts, the wire and the terminal are located at the predetermined crimping position, the wire end pressing die is pressed down first, then the terminal end pressing die is pressed down, and finally the pressing block is pressed down to the conveying mechanism. The second hydraulic cylinder and the third hydraulic cylinder are respectively connected with the wire end pressing die and the terminal end pressing die, so as to ensure that the wire and the terminal can be accurately and independently crimped. The lower surface of the wire end pressing die is set lower than that of the terminal end pressing die, so that the finished product is more easily separated from the crimping assembly due to the height difference after crimping, and the wire and the terminal can be more closely matched during crimping, ensuring the connection quality of the crimping point. The lower die, as a support platform for the entire crimping process, is tightly connected with the die pressing frame to ensure the stability and accuracy of the operation, thereby realizing rapid and accurate crimping of the wire and the terminal, improving the production efficiency, and ensuring the high reliability and long-term stability of the crimping connection point, achieving the purpose of improving the production quality and efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0029] The accompanying drawings are used to provide a further understanding of the present application, and constitute a part of the specification, together with the embodiments of the present application, to explain the present application, and do not constitute a limitation on the present application. In the drawings:
[0030] Figure 1 is a schematic diagram of the overall structure of the present application;
[0031] Figure 2 is a schematic diagram of the die pressing mechanism structure of the present application;
[0032] Figure 3 is a schematic diagram of the crimping assembly structure of the present application;
[0033] Figure 4 is a schematic diagram of the heating assembly structure of the present application;
[0034] Figure 5 is a schematic diagram of the cooling assembly structure of the present application;
[0035] Figure 6 is a schematic diagram of the conveying mechanism structure of the present application;
[0036] Figure 7It is a schematic diagram of the wire feeding mechanism structure of the application;
[0037] Figure 8 It is a schematic diagram of the wire cutting assembly structure of the application;
[0038] Figure 9 It is a schematic diagram of the rotating disc assembly structure of the application;
[0039] Figure 10 It is a schematic diagram of the iris assembly structure of the application;
[0040] Figure 11 It is a schematic diagram of the terminal feeding mechanism structure of the application.
[0041] In the figure: 1, moulding mechanism; 11, discharge port; 12, moulding frame; 13, pressure assembly; 131, first hydraulic cylinder; 132, second hydraulic cylinder; 133, third hydraulic cylinder; 134, pressing block; 135, wire end pressing mould; 136, terminal end pressing mould; 137, lower mould; 14, heating assembly; 141, heating pipe; 142, heating coil; 143, heat-conducting layer; 144, insulating layer; 15, cooling assembly; 151, cooling pipeline; 152, cooling medium circulating pump; 153, cooling medium storage tank; 154, heat exchanger; 2, conveying mechanism; 21, conveying frame; 22, conveying table; 221, conveying groove; 23, elastic member; 24, conveying wheel; 25, conveying motor; 26, terminal cutter head; 3, wire feeding mechanism; 31, wire feeding motor; 32, wire feeding disc; 33, winding motor; 34, rotating disc assembly; 341, rotating disc body; 342, iris assembly; 343, transmission wheel; 344, transmission motor; 345, ring cutter; 346, cutter frame ring; 347, cutter frame motor; 348, rotating motor; 35, wire cutting assembly; 351, cutting cutter; 352, linear displacement sensor; 353, cutting hydraulic cylinder; 36, first gear; 37, second gear; 38, belt; 39, wire feeding frame; 4, terminal feeding mechanism; 41, conveying plate; 42, terminal feeding disc; 43, terminal feeding motor; 5, collection box. DETAILED DESCRIPTION
[0042] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the application.
[0043] Please refer to Figure 1 - Figure 11 The application provides the technical solutions:
[0044] The utility model provides a high -frequency pressure bonding device for wire harness production of quick cooling includes mould pressing mechanism 1, conveying mechanism 2, wire material feeding mechanism 3, terminal feeding mechanism 4 and collection box, mould pressing mechanism 1 and conveying mechanism 2 fastening connection, wire material feeding mechanism 3 is located away from mould pressing mechanism 1 one end, wire material feeding mechanism 3 and conveying mechanism 2 fastening connection, terminal feeding mechanism 4 and mould pressing mechanism 1 fastening connection, collection box and mould pressing mechanism 1 fastening connection, be equipped with discharge gate 11 on mould pressing mechanism 1, collection box is located below discharge gate 11.
[0045] Through the above technical scheme, the wire material feeding mechanism 3 is used for feeding the wire, the length of the wire feeding can be controlled by the wire material feeding mechanism 3, and the front end of the wire is stripped to facilitate the subsequent crimping of the wire and the terminal. The wire and the stripped skin are conveyed by the conveying mechanism 2 and enter the collection box through the discharge gate 11. The terminal material is fed by the terminal feeding mechanism 4. The mould pressing mechanism 1 is responsible for forming the crimping shape and crimping the terminal material and the wire material together. The terminal can be preheated to reduce the hardness of the material and improve the plastic deformation ability during crimping. The connection part is quickly cooled after crimping to accelerate the hardening of the material, lock the crimping shape, and ensure the long-term stability of the connection.
[0046] Further, the mould pressing mechanism 1 includes a mould pressing frame 12, a crimping assembly 13, a heating assembly 14, and a cooling assembly 15. The crimping assembly 13 is fastened to the mould pressing frame 12. The heating assembly 14 is fastened to the crimping assembly 13 and located inside the crimping assembly 13. The cooling assembly 15 is fastened to the crimping assembly 13 and located inside the crimping assembly 13.
[0047] By adopting the above technical scheme, first, the crimping assembly 13 is fastened to the mould pressing frame 12 to ensure the stability of the operation. The heating assembly 14 is fastened to the crimping assembly 13 and located inside the crimping assembly 13, allowing the terminal and the wire to be preheated during crimping to reduce the hardness of the material and improve the plasticity, ensuring the full flow and close combination of the metal during crimping. Subsequently, the cooling assembly 15 is fastened to the crimping assembly 13 and located inside the crimping assembly 13 to quickly cool the crimping part to room temperature to accelerate the hardening of the material, lock the crimping shape, and achieve seamless connection from heating, crimping to cooling, greatly improving the production efficiency while ensuring the high reliability and stability of the crimping connection. By precisely controlling the heating temperature, crimping force, and cooling speed, the device can adapt to different material and specification crimping requirements, achieving high-frequency, efficient, and high-quality production goals.
[0048] Further, the crimping assembly 13 comprises a first hydraulic cylinder 131, a second hydraulic cylinder 132, a third hydraulic cylinder 133, a pressing block 134, a wire end pressing die 135, a terminal end pressing die 136, and a lower die 137, the first hydraulic cylinder 131 is in transmission connection with the pressing block 134, the first hydraulic cylinder 131 is in fastening connection with the die holder 12, the second hydraulic cylinder 132 is in transmission connection with the wire end pressing die 135, the second hydraulic cylinder 132 is in fastening connection with the die holder 12, the third hydraulic cylinder 133 is in transmission connection with the terminal end pressing die 136, the third hydraulic cylinder 133 is in fastening connection with the die holder 12, the lower bottom surface of the wire end pressing die 135 is lower than that of the terminal end pressing die 136, and the lower die 137 is in fastening connection with the die holder 12.
[0049] By adopting the above technical scheme, when the work flow starts, the wire and the terminal are located at the predetermined crimping position, the wire end pressing die 135 will be pressed to the lower die 137 first, then the terminal end pressing die 136 will be pressed to the lower die 137, and finally the pressing block 134 will be pressed to the conveying mechanism 2, the second hydraulic cylinder 132 and the third hydraulic cylinder 133 are in transmission connection with the wire end pressing die 135 and the terminal end pressing die 136 respectively, which ensures that the wire and the terminal can be accurately and independently crimped, the lower bottom surface of the wire end pressing die 135 is set to be lower than that of the terminal end pressing die 136, so that the finished product after crimping is easier to be separated from the crimping assembly 13 due to the height difference, allowing the wire and the terminal to be more closely matched during crimping, ensuring the connection quality of the crimping point, the lower die 137 as a support platform for the entire crimping process is in fastening connection with the die holder 12, which ensures the stability and accuracy of the operation, thereby realizing the rapid and accurate crimping of the wire and the terminal, improving the production efficiency, and also ensuring the high reliability and long-term stability of the crimping connection point, achieving the purpose of improving the production quality and efficiency.
[0050] Further, the heating assembly 14 comprises a heating pipe 141, a heating coil 142, a heat-conducting layer 143, and an insulating layer 144, the insulating layer 144 is in fastening connection with the lower die 137, the insulating layer 144 is in fastening connection with the heat-conducting layer 143, the heat-conducting layer 143 is in fastening connection with the heating pipe 141, and the heating coil 142 is in fastening connection with the heating pipe 141.
[0051] By adopting the above technical scheme, the heating coil 142 generates heat through electric current, the heat is transmitted to the heat-conducting layer 143 through the heating pipe 141, the heat-conducting layer 143 uniformly distributes the heat to the terminal to be crimped, the fastening connection of the heating pipe 141 and the heating coil 142 ensures the effective transmission of heat energy, and the fastening connection of the heat-conducting layer 143 and the insulating layer 144 not only effectively isolates heat and prevents heat loss, but also protects other components of the equipment from being damaged by heat. The design of the insulating layer 144 is fastened to the lower die 137, which further ensures the safety of the heating process and avoids the safety hazard caused by the direct contact of the electric heating element with the metal parts of the equipment. The heating assembly 14 can realize rapid heating of the terminal, improve the plasticity of the material, and make the metal flow and combine better during the crimping process. Ultimately, the crimping quality is improved, the defective rate is reduced, the electrical performance and mechanical strength of the crimping part are ensured, and the service life of the product is prolonged.
[0052] Further, the cooling assembly 15 includes a cooling pipe 151, a cooling medium circulating pump 152, a cooling medium storage tank 153, and a heat exchanger 154. The cooling pipe 151 is fastened to the terminal end crimping die 136, the cooling pipe 151 is in communication with the cooling medium circulating pump 152, the cooling pipe 151 is in communication with the cooling medium storage tank 153, and the heat exchanger 154 is in communication with the cooling pipe 151.
[0053] By adopting the above technical scheme, the cooling medium is extracted from the cooling medium storage tank 153 by the cooling medium circulating pump 152, and is heat-exchanged with the high-temperature area in the cooling pipe 151 through the heat exchanger 154 to absorb the heat generated during the crimping process, and then flows back to the storage tank for cooling circulation. The cooling pipe 151 is directly fastened to the terminal end crimping die 136, which ensures that the cooling medium can directly act on the crimping part to achieve rapid and effective cooling. Not only does it speed up the cooling speed of the connection after crimping, but also through the high-efficiency heat exchange capacity of the heat exchanger 154, it ensures that the temperature of the cooling medium can be quickly reduced to maintain the continuous operation of the system. Through such a cooling process, the crimping part can be quickly cooled and solidified after high-temperature crimping, effectively avoiding the instability of the metal structure caused by uneven or insufficient cooling, thereby ensuring the mechanical strength and electrical performance of the crimping connection point. In addition, the rapid cooling process helps to improve production efficiency because it reduces the time required for each crimping cycle, allowing the equipment to process more wires and terminals in a shorter period of time, achieving the dual effect of improving production efficiency and ensuring product quality.
[0054] Further, the conveying mechanism 2 comprises a conveying frame 21, a conveying table 22, an elastic member 23, a conveying wheel 24, a conveying motor 25 and a terminal cutter head 26, the conveying frame 21 is fixedly connected with the mold pressing frame 12, the conveying frame 21 is slidingly connected with the conveying table 22, the elastic member 23 is fixedly connected with the conveying table 22, the conveying frame 21 is fixedly connected with the elastic member 23, the terminal cutter head 26 is fixedly connected with the conveying frame 21, the terminal cutter head 26 is slidingly connected with the conveying table 22, the conveying motor 25 is drivingly connected with the conveying wheel 24, and the conveying motor 25 is fixedly connected with the conveying table 22.
[0055] By adopting the above technical scheme, the conveying motor 25 drives the conveying wheel 24 to rotate, and through the fixed connection with the conveying table 22, power transmission to the conveying table 22 is realized, so as to push the wire or the stripped skin on the conveying table 22 to advance, the fixed connection between the conveying frame 21 and the mold pressing frame 12 ensures the stability of the whole conveying system, and the sliding connection between the conveying frame 21 and the conveying table 22 allows the conveying table 22 to be adjusted up and down on the conveying frame 21, the use of the elastic member 23 not only connects the conveying frame 21 and the conveying table 22 and provides necessary recovery measures, but also drives the conveying table 22 to descend after the pressing block 134 presses the conveying table 22, so as to not only reduce the impact and vibration in the movement process and ensure the stability of the transmission process, but also make the terminal cutter head 26 cut the terminal accurately, and the sliding connection between the terminal cutter head 26 and the conveying table 22 and the fixed connection between the terminal cutter head 26 and the conveying frame realize high-precision positioning and cutting in the conveying process, through this way, the equipment can complete the cutting task without stopping the transmission, greatly improves the production efficiency, so as to realize the integrated and automatic process from the conveying of raw materials, accurate positioning to the final cutting processing, significantly improves the production efficiency and processing precision, in addition, the high stability and adjustability of the whole conveying process also ensure the product quality, meet the demand of high-speed and high-precision production, and achieve the effect of improving the production efficiency and product quality.
[0056] Further, the wire conveying mechanism 3 comprises a wire conveying motor 31, a wire conveying disc 32, a winding motor 33, a rotating disc assembly 34, a wire cutting assembly 35, a first gear 36, a second gear 37, a belt 38 and a wire conveying frame 39, the wire conveying motor 31 is fixedly connected with the wire conveying frame 39, the wire conveying motor 31 is drivingly connected with the wire conveying disc 32, the wire conveying motor 31 is drivingly connected with the first gear 36, the first gear 36 is drivingly connected with the second gear 37, the second gear 37 is drivingly connected with the belt 38, the wire cutting assembly 35 is fixedly connected with the wire conveying frame 39, the winding motor 33 is fixedly connected with the wire conveying frame 39, and the rotating disc assembly 34 is drivingly connected with the winding motor 33.
[0057] By adopting the above technical scheme, the wire feeding motor 31 serves as a power source, drives the wire to be smoothly fed out from the feeding disc through the transmission connection with the wire feeding disc 32, and simultaneously, the motor also transmits power to the wire cutting assembly 35 and the rotating disc assembly 34 through the first gear 36, the second gear 37 and the belt 38, so as to realize the precise winding and cutting of the wire. The transmission connection between the winding motor 33 and the rotating disc assembly 34 ensures that the wire can be wound to a suitable position in a preset manner, so as to prepare for cutting. The wire cutting assembly 35 is responsible for precisely cutting the wire at a suitable length, so as to meet the length specifications of different production requirements, thereby ensuring the high efficiency and high precision of the feeding, winding and cutting processes, greatly improving the automation level and production efficiency of the overall production. Through such a wire feeding mechanism 3, automatic feeding, automatic winding and automatic cutting of the wire are realized, greatly reducing manual operation, improving production efficiency and product consistency. In addition, the high-precision control of the mechanism also ensures the accuracy of the wire cutting length, meets the demand of high-quality production, and achieves the effects of improving production efficiency, reducing cost and improving product quality.
[0058] Further, the wire cutting assembly 35 includes a cutter 351, a linear displacement sensor 352 and a cutting hydraulic cylinder 353. The cutter 351 and the cutting hydraulic cylinder 353 are in transmission connection, the wire feeding frame 39 and the cutting hydraulic cylinder 353 are in fastening connection, and the linear displacement sensor 352 and the wire feeding frame 39 are in fastening connection. The rotating disc assembly 34 includes a rotating disc body 341, an iris assembly 342, a transmission wheel 343, a transmission motor 344, a ring cutter 345, a cutter holder ring 346, a cutter holder motor 347 and a rotating motor 348. The rotating disc body 341 and the winding motor 33 are in transmission connection, the iris assembly 342 is in fastening connection, the transmission wheel 343 and the transmission motor 344 are in transmission connection, the transmission motor 344 and the rotating disc body 341 are in fastening connection, the iris assembly 342 and the rotating disc body 341 are in fastening connection, the ring cutter 345 and the cutter holder ring 346 are in motor transmission connection, the cutter holder motor 347 and the rotating disc body 341 are in fastening connection, the ring cutter 345 and the cutter holder ring 346 are in rotary connection, the rotating motor 348 and the cutter holder ring 346 are in transmission connection, the rotating motor 348 and the rotating disc body 341 are in fastening connection, and the rotating disc body 341 and the cutter holder ring 346 are in rotary connection.
[0059] By adopting the above technical scheme, the rotating disc assembly 34 is connected with the rotating disc body 341 through the winding motor 33, cooperates with the iris assembly 342 and the transmission wheel 343 for precise control, realizes automatic winding of the wire, the connection of the cutter holder ring 346 and the cutter holder ring 346 motor, and the cooperation of the cutter holder ring 346 and the rotating motor 348, and further ensures the stripping efficiency of the wire during winding. The cooperation of stripping, winding and cutting not only improves the automation level of production, but also ensures the consistency and accuracy of wire length and cutting quality through precise control, improves production efficiency, reduces labor cost, and ensures product quality standards and consistency.
[0060] Further, the terminal conveying mechanism 4 includes a conveying plate 41, a terminal conveying disc 42 and a terminal conveying motor 43. The conveying plate 41 and the conveying groove 221 abut, the conveying plate 41 and the terminal conveying disc 42 abut, the conveying plate 41 and the conveying frame 21 are tightly connected, the terminal conveying motor 43 and the terminal conveying disc 42 are drivingly connected, and the terminal conveying motor 43 and the die holder 12 are tightly connected.
[0061] By adopting the above technical scheme, the power output of the terminal conveying motor 43 drives the terminal conveying disc 42 to rotate, thereby realizing continuous supply of the terminal. The terminal is sent from the terminal conveying disc 42 to the conveying groove 221 through the conveying plate 41. The tight abutment of the conveying plate 41 and the conveying groove 221 ensures the stability and accuracy of the terminal during conveying, avoids mispositioning or turning of the terminal, and ensures smooth conveying. The power transmission design of the terminal conveying motor 43 is efficient and stable. The driving connection of the terminal conveying disc 42 and the tight connection with the die holder 12 form a stable and reliable conveying system, which not only ensures the continuity and stability of terminal conveying, but also realizes synchronous work with the crimping mechanism through precise control of conveying speed and time, ensures that each terminal is accurately positioned, and provides a stable material basis for crimping operation. Through such a terminal conveying mechanism 4, the production efficiency is improved, the demand for manual operation is reduced, and the accuracy and stability of terminal supply are ensured, ensuring high-quality completion of crimping operation.
[0062] The working principle of the present application: the wire is automatically sent into the crimping position by the wire feeding mechanism 3 and is stripped to prepare for crimping with the terminal, the terminal is automatically sent into the crimping position by the terminal feeding mechanism 4, the mold pressing mechanism 1 preheats the terminal and the wire under the action of the heating assembly 14, reduces the material hardness, and improves the plastic deformation ability, then the wire and the terminal are crimped together by the crimping assembly 13 to form a crimping shape, the cooling assembly 15 quickly cools the crimping part in sequence, accelerates the material hardening, locks the crimping shape, ensures the long-term stability of the connection, finally, the wire harness with completed crimping is conveyed to the collecting box 5 through the discharge port 11 by the conveying mechanism 2, this process not only greatly improves the production efficiency, but also ensures the high reliability and stability of the crimping connection through accurate control of the heating temperature, the crimping force and the cooling speed, and realizes the high-frequency, efficient and high-quality production goal of the high-frequency crimping device for wire harness production.
[0063] It should be noted that, in this document, the terms such as first and second are used merely to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between such entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus including a series of elements includes not only those elements, but also other elements not explicitly listed or inherent to such process, method, article or apparatus.
[0064] Finally, it should be noted that: the above only describes the preferred embodiments of the present application, and does not limit the present application, although the foregoing embodiments of the present application have been described in detail, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. A high-frequency press bonding device for a wire harness production for rapid cooling, characterized by: The high-frequency pressure bonding device for rapid cooling wire harness production comprises a molding mechanism (1), a conveying mechanism (2), a wire feeding mechanism (3), a terminal feeding mechanism (4) and a collecting box (5), the molding mechanism (1) and the conveying mechanism (2) are fixedly connected, the wire feeding mechanism (3) is located at one end away from the molding mechanism (1), the wire feeding mechanism (3) and the conveying mechanism (2) are fixedly connected, the terminal feeding mechanism (4) and the molding mechanism (1) are fixedly connected, the collecting box (5) and the molding mechanism (1) are fixedly connected, and the molding mechanism (1) is provided with a discharge port (11), and the collecting box (5) is located below the discharge port (11); The molding mechanism (1) comprises a molding frame (12), a pressure bonding assembly (13), a heating assembly (14) and a cooling assembly (15), the pressure bonding assembly (13) and the molding frame (12) are fixedly connected, the heating assembly (14) and the pressure bonding assembly (13) are fixedly connected, the heating assembly (14) is located in the pressure bonding assembly (13), and the cooling assembly (15) and the pressure bonding assembly (13) are fixedly connected. The pressure bonding assembly (13) comprises a first hydraulic cylinder (131), a second hydraulic cylinder (132), a third hydraulic cylinder (133), a pressing block (134), a wire end pressing die (135), a terminal end pressing die (136) and a lower die (137), the first hydraulic cylinder (131) and the pressing block (134) are drivingly connected, the first hydraulic cylinder (131) and the molding frame (12) are fixedly connected, the second hydraulic cylinder (132) and the wire end pressing die (135) are drivingly connected, the second hydraulic cylinder (132) and the molding frame (12) are fixedly connected, the third hydraulic cylinder (133) and the terminal end pressing die (136) are drivingly connected, the third hydraulic cylinder (133) and the molding frame (12) are fixedly connected, the lower bottom surface of the wire end pressing die (135) is lower than that of the terminal end pressing die (136), and the lower die (137) and the molding frame (12) are fixedly connected. The heating assembly (14) comprises a heating pipe (141), a heating coil (142), a heat-conducting layer (143) and an insulating layer (144), the insulating layer (144) and the lower die (137) are fixedly connected, the insulating layer (144) and the heat-conducting layer (143) are fixedly connected, the heat-conducting layer (143) and the heating pipe (141) are fixedly connected, and the heating coil (142) and the heating pipe (141) are fixedly connected. The cooling assembly (15) comprises a cooling pipeline (151), a cooling medium circulating pump (152), a cooling medium storage tank (153) and a heat exchanger (154), the cooling pipeline (151) and the terminal end pressing die (136) are fixedly connected, the cooling pipeline (151) and the cooling medium circulating pump (152) are communicated, the cooling pipeline (151) and the cooling medium storage tank (153) are communicated, and the heat exchanger (154) and the cooling pipeline (151) are communicated.
2. The high-frequency press bonding device for a wire harness production that is rapidly cooled according to claim 1, characterized by: The conveying mechanism (2) comprises a conveying frame (21), a conveying table (22), an elastic member (23), a conveying wheel (24), a conveying motor (25) and a terminal cutter head (26), the conveying frame (21) is fixedly connected with the die frame (12), the conveying frame (21) is slidably connected with the conveying table (22), the elastic member (23) is fixedly connected with the conveying table (22), the conveying frame (21) is fixedly connected with the elastic member (23), the terminal cutter head (26) is fixedly connected with the conveying frame (21), the terminal cutter head (26) is slidably connected with the conveying table (22), the conveying motor (25) is drivingly connected with the conveying wheel (24), and the conveying motor (25) is fixedly connected with the conveying table (22).
3. The high-frequency crimping device for a wire harness production that is rapidly cooled according to claim 1, characterized by: The wire feeding mechanism (3) comprises a wire feeding motor (31), a wire feeding disc (32), a winding motor (33), a rotating disc assembly (34), a wire cutting assembly (35), a first gear (36), a second gear (37), a belt (38) and a wire feeding frame (39), the wire feeding motor (31) is fixedly connected with the wire feeding frame (39), the wire feeding motor (31) is drivingly connected with the wire feeding disc (32), the wire feeding motor (31) is drivingly connected with the first gear (36), the first gear (36) is drivingly connected with the second gear (37), the second gear (37) is drivingly connected with the belt (38), the wire cutting assembly (35) is fixedly connected with the wire feeding frame (39), the winding motor (33) is fixedly connected with the wire feeding frame (39), and the rotating disc assembly (34) is drivingly connected with the winding motor (33).
4. The high-frequency press-bonding device for a wire harness production that is rapidly cooled according to claim 3, characterized by: The tangent component (35) includes a cutting knife (351), a linear displacement sensor (352) and a cutting hydraulic cylinder (353), the cutting knife (351) and the cutting hydraulic cylinder (353) are drivingly connected, the wire feeding frame (39) and the cutting hydraulic cylinder (353) are fixedly connected, the linear displacement sensor (352) and the wire feeding frame (39) are fixedly connected, the rotating disc component (34) includes a rotating disc body (341), an iris component (342), a transmission wheel (343), a transmission motor (344), a ring knife (345), a knife holder ring (346), a knife holder motor (347) and a rotating motor (348), the rotating disc body (341) and the winding motor (33) are drivingly connected, the iris component (342) is fixedly connected, the transmission wheel (343) and the transmission motor (344) are drivingly connected, the transmission motor (344) and the rotating disc body (341) are fixedly connected, the iris component (342) and the rotating disc body (341) are fixedly connected, the ring knife (345) and the knife holder ring (346) are motor drivingly connected, the knife holder motor (347) and the rotating disc body (341) are fixedly connected, the ring knife (345) and the knife holder ring (346) are rotatably connected, the rotating motor (348) and the knife holder ring (346) are drivingly connected, the rotating motor (348) and the rotating disc body (341) are fixedly connected, and the rotating disc body (341) and the knife holder ring (346) are rotatably connected.
5. The high-frequency crimping device for a wire harness production according to claim 2, characterized by: The terminal feeding mechanism (4) includes a conveying plate (41), a terminal feeding disc (42) and a terminal feeding motor (43), the conveying plate (41) and the conveying groove (221) are abutted, the conveying plate (41) and the terminal feeding disc (42) are abutted, the conveying plate (41) and the conveying frame (21) are fixedly connected, the terminal feeding motor (43) and the terminal feeding disc (42) are drivingly connected, and the terminal feeding motor (43) and the mold pressing frame (12) are fixedly connected.
Citation Information
Patent Citations
Crimping device for cold-pressed terminal and crimping method thereof
CN114024183A
Automatic production line for solar wiring harness plug
CN115411588A