Double-wire three-combination press-through heat shrink tube terminal machine

Abstract

The utility model relates to the technical field of double-wire three-combination press-through heat shrink tube terminal machines, in particular to a double-wire three-combination press-through heat shrink tube terminal machine which comprises a main body frame, the top end of the main body frame is fixedly connected with the bottom end of a wire taking mechanism, and the inner wall of the top end of the main body frame is fixedly connected with the bottom end of a first hot air gun. The top end of the main body frame is fixedly connected with the bottom end of a touch screen, the top end of the main body frame is fixedly connected with the bottom end of a pull tube positioning mechanism, the top end of the main body frame is fixedly connected with the bottom end of a terminal crimping mechanism, and the top end of the main body frame is fixedly connected with the bottom end of a first tube penetrating mechanism; the top end of the main body frame is fixedly connected with the top end of the peeling mechanism, one side of the peeling mechanism is movably connected with one side of the second hot air gun and one side of the third hot air gun, the limitation on a mechanical structure is reduced, the action is rapid and convenient, the problem of high labor cost is solved, the wire harness machine is independently researched and developed and integrates multiple functions, the yield is high, and the quality is stable.

Description

Technical Field

[0001] The utility model relates to the technical field of double - wire triple - combined heat - shrinkable tube terminal machines, and particularly relates to a double - wire triple - combined heat - shrinkable tube terminal machine. Background Art

[0002] A wire harness is a product that processes wires, terminals, and connectors together, mainly playing the roles of control, transmission, and connection. Connecting a circuit board and a control panel is the most common function. A wire harness machine is a device required for processing wires, terminals, and connectors. It is applicable to the stranding of large - length and large - cross - section aluminum, aluminum alloy wires, bare copper wires, aluminum - stranded steel conductors, and the stranding of cross - linked compacted cable cores. It can manufacture the strands of bare stranded wires and stranded wire cores, and can also carry out the stranding of rubber, plastic, and paper - insulated wire cores of power - using wires and cables with smaller cross - sections, as well as the pair - stranding, star - stranding, and unit - stranding of the wire cores of communication cables, etc.

[0003] However, the defects of previous wire harness machines are as follows: when the wire harness machine is operating, manual operation of the wire harness is required. To connect two wires, manual operation is also needed, which leads to a decrease in work efficiency, increases the workload of operators, and also affects the use effect of the wire harness machine. Content of the Utility Model

[0004] The purpose of the utility model is to provide a double - wire triple - combined heat - shrinkable tube terminal machine to solve the problems of low efficiency caused by manual operation of the wire harness, the need for manual operation to complete the connection between two wires, and uneven quality in terminal pressing as mentioned in the above background art. To achieve the above purpose, the utility model provides the following technical solution: a double - wire triple - combined heat - shrinkable tube terminal machine, including a main body frame. The bottom end of the main body frame is fixedly connected to the bottom end of a wire - taking mechanism. The inner wall of the top end of the main body frame is fixedly connected to the bottom end of a first hot air gun. The bottom end of the main body frame is fixedly connected to the bottom end of a touch screen. The bottom end of the main body frame is fixedly connected to the bottom end of a tube - pulling positioning mechanism. The bottom end of the main body frame is fixedly connected to the bottom end of a terminal pressing mechanism. The bottom end of the main body frame is fixedly connected to the bottom end of a first tube - passing mechanism. The top end of the main body frame is fixedly connected to the top end of a peeling mechanism. One side of the peeling mechanism is movably connected to one side of a second hot air gun and a third hot air gun. The bottom end of the main body frame is fixedly connected to the bottom end of a first wire - feeding mechanism.

[0005] The top end of the main body frame is fixedly connected to the bottom end of the wire feeding and straightening mechanism. The rear side of the first pipe threading mechanism is fixedly connected to one side of the heat shrinkable tube. The top end of the main body frame is fixedly connected to the bottom end of the upstream moving and positioning mechanism. The top end of the main body frame is fixedly connected to the bottom end of the downstream moving and positioning mechanism. A finished product wire taking groove is formed at the top of the main body frame. The top end of the main body frame is fixedly connected to the bottom end of the second pipe threading mechanism. The top end of the main body frame is fixedly connected to the bottom end of the second wire feeding mechanism.

[0006] Preferably, the pipe pulling and positioning mechanism includes a first stepping motor, a first cylinder, a first linear guide rail and a pair of pliers, and the pipe pulling and positioning mechanism is arranged at the left part of the main body frame. The terminal crimping mechanism includes a three-phase asynchronous motor, a terminal machine, a die and a first cutting knife, and the three-phase asynchronous motor is arranged above the terminal machine. The processing end of the terminal machine is movably connected to the top end of the touch screen, and a first cutting knife is arranged at the top end of the terminal machine.

[0007] Preferably, the first pipe threading mechanism is composed of a first servo motor, a second linear guide rail, a first ball screw, a second stepping motor, a first pipe cutting knife, a slide cylinder and a first clip, and the output end of the first servo motor is fixedly connected to one end of the first ball screw. The peeling mechanism includes a third stepping motor, a third linear guide rail, a second ball screw, a second cutting knife, a cutting knife slider, a first coupling and a second servo motor, and the output end of the second servo motor is fixedly connected to the bottom end of the second ball screw through the first coupling.

[0008] Preferably, the first wire feeding mechanism includes a first wire guiding wheel, a fixed tail plate and a tightening handle, and the upstream moving and positioning mechanism includes a first synchronous wheel, a first synchronous belt, an electric feeding motor, a fourth linear guide rail, a first pneumatic finger and a second clip. The first synchronous belt is sleeved on the outer wall of the first synchronous wheel, and two groups of first synchronous wheels are provided. The bottom end of the first synchronous wheel is fixedly connected to the output end of the electric feeding motor.

[0009] Preferably, the downstream moving and positioning mechanism is composed of a fifth linear guide rail, a second pneumatic finger, a third clip, a third servo motor, a second coupling and a third ball screw, and the output end of the third servo motor is fixedly connected to one end of the third ball screw through the second coupling. The top end of the second pneumatic finger is fixedly connected to the bottom end of the third clip. The second pipe threading mechanism includes a sixth linear guide rail, a gear, a conduit, a second synchronous wheel, a second synchronous belt, a fourth stepping motor, a third pneumatic finger and a second pipe cutting knife. The top end of the fourth stepping motor is fixedly connected to the bottom end of the second synchronous wheel, and the second synchronous belt is sleeved on the outer wall of the second synchronous wheel. Two groups of second synchronous wheels are provided.

[0010] Preferably, the second wire feeding mechanism includes a second wire guiding wheel, a fourth servo motor, a third synchronous pulley, a fifth stepping motor, and a third synchronous belt. There are three sets of terminal crimping mechanisms, and the three sets of terminal crimping mechanisms are arranged on the top of the main frame from right to left respectively.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0012] In the present utility model, through the cooperation among the wire taking structure, the hot air gun, the tube pulling and positioning structure, the wire guiding structure, the peeling structure, the tube threading structure, the heat shrinkable tube, the terminal crimping structure, and the wire feeding structure, compared with the previous machines, this equipment adopts a fully automatic and intelligent production mode without manual operation; it realizes double-end peeling of the wire, triple-end threading of the heat shrinkable tube, and triple-end crimping of the terminals; it adopts the structure of a compact working station and a horizontal working station, saving a large amount of space, and a flow-type production mode, reducing the constraints on the mechanical structure, with fast and convenient actions. It is a wire harness machine integrating multiple functions independently developed to solve the problem of high labor cost, with high output and stable quality.

[0013] In the present utility model, two wires can be processed simultaneously to be combined into a group, with double wires running in parallel, saving time and improving efficiency. It can realize triple-end threading of the heat shrinkable tube and triple-end crimping of the terminals. The lengths of the triple-end heat shrinkable tubes can be set to different values through parameters, and different forms of terminals can be crimped at the triple ends. The front end adopts a rotating multi-station compact structure, greatly reducing the time for changing the working station, improving efficiency and increasing output. Through the downstream moving and positioning structure, a screw drive structure driven by a servo motor is adopted. The servo motor monitors the state of the motor in real time through feedback devices such as an encoder, so as to achieve precise control of position, speed, etc. It can handle applications with high load and high inertia load, and has better stability and precision during high-speed operation, and can maintain a stable speed and position during continuous operation. Brief Description of the Drawings

[0014] Figure 1 It is a schematic diagram of the left-side external structure of the present utility model;

[0015] Figure 2 It is a schematic diagram of the right-side external structure of the present utility model;

[0016] Figure 3 It is a schematic diagram of the front view structure of the present utility model;

[0017] Figure 4 It is a schematic diagram of the right view structure of the present utility model;

[0018] Figure 5 It is a schematic diagram of the top view structure of the present utility model;

[0019] Figure 6 It is a schematic diagram of the first wire feeding mechanism in the present utility model;

[0020] Figure 7 Schematic diagram of the second pipe threading mechanism in the present utility model;

[0021] Figure 8 Schematic diagram of the first pipe threading mechanism in the present utility model;

[0022] Figure 9 Schematic diagram of the second wire feeding mechanism in the present utility model;

[0023] Figure 10 Schematic diagram of the upstream moving and positioning mechanism in the present utility model;

[0024] Figure 11 Schematic diagram of the downstream moving and positioning mechanism in the present utility model;

[0025] Figure 12 Schematic diagram of the stripping mechanism in the present utility model;

[0026] Figure 13 Schematic diagram of the terminal crimping mechanism in the present utility model;

[0027] Figure 14 Schematic diagram of the pipe pulling and positioning mechanism in the present utility model.

[0028] In the figure: 1. Wire taking mechanism; 2. First hot air gun; 3. Touch screen; 4. Tube pulling positioning mechanism; 401. First stepping motor; 402. First cylinder; 403. First linear guide rail; 404. Pincers; 5. Terminal crimping mechanism; 501. Three-phase asynchronous motor; 502. Terminal machine; 503. Die; 504. First cutting knife; 6. First pipe threading mechanism; 601. First servo motor; 602. Second linear guide rail; 603. First ball screw; 604. Second stepping motor; 605. First pipe cutting knife; 606. Slide cylinder; 607. First clamp; 7. Stripping mechanism; 701. Third stepping motor; 702. Third linear guide rail; 703. Second ball screw; 704. Second cutting knife; 705. Cutting knife slider; 706. First coupling; 707. Second servo motor; 8. Second hot air gun; 9. First wire feeding mechanism; 901. First wire guide wheel; 902. Fixed tail plate; 903. Tightening handle; 10. Wire feeding and straightening mechanism; 11. Third hot air gun; 12. Heat shrinkable tube; 13. Upstream moving positioning mechanism; 1301. First synchronous pulley; 1302. First synchronous belt; 1303. Electric inlet motor; 1304. Fourth linear guide rail; 1305. First pneumatic finger; 1306. Second clamp; 14. Downstream moving positioning mechanism; 1401. Fifth linear guide rail; 1402. Second pneumatic finger; 1403. Third clamp; 1404. Third servo motor; 1405. Second coupling; 1406. Third ball screw; 15. Finished product wire taking groove; 16. Main body frame; 17. Second pipe threading mechanism; 1701. Sixth linear guide rail; 1702. Gear; 1703. Conduit; 1704. Second synchronous pulley; 1705. Second synchronous belt; 1706. Fourth stepping motor; 1707. Third pneumatic finger; 1708. Second pipe cutting knife; 18. Second wire feeding mechanism; 1801. Second wire guide wheel; 1802. Fourth servo motor; 1803. Third synchronous pulley; 1804. Fifth stepping motor; 1805. Third synchronous belt. Detailed implementation mode

[0029] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

[0030] Please refer to Figures 1 to 14, the present utility model provides a technical solution: a double - wire three - in - one heat - shrinkable tube terminal machine, including a main body frame 16. The bottom end of the main body frame 16 is fixedly connected to the bottom end of the wire - taking mechanism 1. The inner wall of the top end of the main body frame 16 is fixedly connected to the bottom end of the first hot air gun 2. The bottom end of the main body frame 16 is fixedly connected to the bottom end of the touch screen 3. The bottom end of the main body frame 16 is fixedly connected to the bottom end of the tube - pulling positioning mechanism 4. The bottom end of the main body frame 16 is fixedly connected to the bottom end of the terminal crimping mechanism 5. The bottom end of the main body frame 16 is fixedly connected to the bottom end of the first tube - threading mechanism 6. The top end of the main body frame 16 is fixedly connected to the top end of the peeling mechanism 7. One side of the peeling mechanism 7 is movably connected to one side of the second hot air gun 8 and the third hot air gun 11. The bottom end of the main body frame 16 is fixedly connected to the bottom end of the first wire - feeding mechanism 9.

[0031] The top end of the main body frame 16 is fixedly connected to the bottom end of the wire - feeding and straightening mechanism 10. The rear side of the first tube - threading mechanism 6 is fixedly connected to one side of the heat - shrinkable tube 12. The bottom end of the main body frame 16 is fixedly connected to the bottom end of the upstream moving and positioning mechanism 13. The bottom end of the main body frame 16 is fixedly connected to the bottom end of the downstream moving and positioning mechanism 14. A finished - product wire - taking groove 15 is opened at the top of the main body frame 16. The bottom end of the main body frame 16 is fixedly connected to the bottom end of the second tube - threading mechanism 17. The bottom end of the main body frame 16 is fixedly connected to the bottom end of the second wire - feeding mechanism 18.

[0032] In this embodiment, as Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Figure 9 , Figure 10 , Figure 11 , Figure 12 , Figure 13 and Figure 14 shown, the tube - pulling positioning mechanism 4 includes a first stepping motor 401, a first cylinder 402, a first linear guide 403 and a pair of pincers 404. And the tube - pulling positioning mechanism 4 is arranged on the left part of the main body frame 16. The terminal crimping mechanism 5 includes a three - phase asynchronous motor 501, a terminal machine 502, a die 503 and a first cutting knife 504. And the three - phase asynchronous motor 501 is arranged above the terminal machine 502. The processing end of the terminal machine 502 is movably connected to the top end of the touch screen 3. And a first cutting knife 504 is arranged at the top end of the terminal machine 502. After the rear end of the wire passes through the heat - shrinkable tube 12 and the peeled rear ends are combined and crimped to the same terminal, it is sent to the next working station through the downstream moving and positioning mechanism 14. The upper and lower pairs of pincers 404 push towards the middle to clamp the heat - shrinkable tube 12.

[0033] In this embodiment, as Figure 1 ,Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Figure 9 , Figure 10 , Figure 11 , Figure 12 , Figure 13 and Figure 14 As shown in Figure 14 , the first pipe threading mechanism 6 is composed of a first servo motor 601, a second linear guide 602, a first ball screw 603, a second stepper motor 604, a first pipe cutting knife 605, a slide table cylinder 606 and a first clamp 607. The output end of the first servo motor 601 is fixedly connected to one end of the first ball screw 603. The peeling mechanism 7 includes a third stepper motor 701, a third linear guide 702, a second ball screw 703, a second cutting knife 704, a cutting knife slider 705, a first coupling 706 and a second servo motor 707. The output end of the second servo motor 707 is fixedly connected to the bottom end of the second ball screw 703 through the first coupling 706. The first pipe cutting knife 605 of the first pipe threading mechanism 6 cuts the pipe into a set length. The first clamp 607 in the first pipe threading mechanism 6 clamps the sleeve and passes through one end of the wire.

[0034] In this embodiment, as Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Figure 9 , Figure 10 , Figure 11 , Figure 12 , Figure 13 and Figure 14 As shown in Figure 14 , the first wire feeding mechanism 9 includes a first wire guide wheel 901, a fixed tail plate 902 and a tightening handle 903. The upstream moving positioning mechanism 13 includes a first synchronous wheel 1301, a first synchronous belt 1302, an electric feed motor 1303, a fourth linear guide 1304, a first pneumatic finger 1305 and a second clamp 1306. The first synchronous belt 1302 is sleeved on the outer wall of the first synchronous wheel 1301. There are two sets of the first synchronous wheels 1301. The bottom end of the first synchronous wheel 1301 is fixedly connected to the output end of the electric feed motor 1303. The wire is clamped by the second clamp 1306 of the upstream moving positioning mechanism 13. The wire is cut at the middle cutting port and the back-end peeling is completed.

[0035] In this embodiment, as Figure 1 , Figure 2 , Figure 3 ,Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Figure 9 , Figure 10 , Figure 11 , Figure 12 , Figure 13 and Figure 14 As shown in Figure 13 and Figure 14 , the downstream moving positioning mechanism 14 is composed of a fifth linear guide rail 1401, a second pneumatic finger 1402, a third clamp 1403, a third servo motor 1404, a second coupling 1405 and a third ball screw 1406. The output end of the third servo motor 1404 is fixedly connected to one end of the third ball screw 1406 through the second coupling 1405. The top end of the second pneumatic finger 1402 is fixedly connected to the bottom end of the third clamp 1403. And the second pipe threading mechanism 17 includes a sixth linear guide rail 1701, a gear 1702, a conduit 1703, a second synchronous pulley 1704, a second synchronous belt 1705, a fourth stepping motor 1706, a third pneumatic finger 1707 and a second pipe cutting knife 1708. The top end of the fourth stepping motor 1706 is fixedly connected to the bottom end of the second synchronous pulley 1704. And the second synchronous belt 1705 is sleeved on the outer wall of the second synchronous pulley 1704. There are two groups of the second synchronous pulleys 1704. The set length is cut off by the second pipe cutting knife 1708 in the second pipe threading mechanism 17.

[0036] In this embodiment, as Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Figure 9 , Figure 10 , Figure 11 , Figure 12 , Figure 13 and Figure 14 As shown in Figure 12 and Figure 13 , the second wire feeding mechanism 18 includes a second wire guide wheel 1801, a fourth servo motor 1802, a third synchronous pulley 1803, a fifth stepping motor 1804 and a third synchronous belt 1805. There are three groups of terminal crimping mechanisms 5, and the three groups of terminal crimping mechanisms 5 are respectively arranged on the top of the main body frame 16 from right to left. During use, the wire from the external wire releasing bracket is sent to the second wire feeding mechanism 18 through the wire feeding and straightening mechanism 10, and then sent to the peeling mechanism 7 for peeling one end.

[0037] Usage method and advantages of the present utility model: When this double - wire triple - joint pressing and heat - shrinking tube terminal machine is working, the working process is as follows:

[0038] As Figure 1 , Figure 2, Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Figure 9 , Figure 10 , Figure 11 , Figure 12 , Figure 13 and Figure 14 As shown, when in use, the wire on the external wire-laying bracket is sent to the second wire-feeding mechanism 18 through the wire-feeding straightening mechanism 10, and then sent to the stripping mechanism 7 for stripping at one end. The wire from the wire-feeding straightening mechanism 10 is cut and stripped, and the stripped insulation surface enters the waste discharge pipe through the waste discharge hole and falls into the trash can. The heat shrink tube 12 at the rear end is sent to the front end, cut to a set length by the second tube cutting knife 1708 in the second tube-threading mechanism 17, and the sleeve is clamped by the third pneumatic finger 1707 in the second tube-threading mechanism 17 through the third pneumatic finger 1707 in the second tube-threading mechanism 17. The six linear guide rails 1701 move to the front end of the first cutter 504 of the terminal crimping mechanism 5, and the wire stripped of the insulating surface layer passes through the heat shrink tube 12 through the wire straightening mechanism 10, and the terminal is crimped under the processing of the terminal crimping mechanism 5, and the terminal strip and the terminal are separated. After the wire is crimped, the wire straightening mechanism 10 rotates and swings again, so that the wire with the heat shrink tube 12 is accurately positioned to the third hot air gun 11, and the heat shrink tube 12 is heated and compressed and firmly attached to the wire or the terminal. The wire passes through the upper The second clamp 1306 of the upstream mobile positioning mechanism 13 is clamped, the wire is cut at the middle cutting port and the rear end is stripped, the whole wire is sent to the next step through the upstream mobile positioning mechanism 13, the two groups of wires are moved to the front of the first pipe threading mechanism 6 and merged, the heat shrink tube 12 at the rear end is sent to the front end, and is cut into a set length by the first pipe cutting knife 605 of the first pipe threading mechanism 6, the sleeve is clamped by the first clamp 607 in the first pipe threading mechanism 6, and passed through one end of the wire, and sent to the next step through the downstream mobile positioning mechanism 14. The rear end of the wire is passed through the heat shrink tube 12, and the rear end after stripping is combined and crimped with the same terminal, and sent to the next station through the downstream mobile positioning mechanism 14. The upper and lower clamps 404 are pushed toward the middle to clamp the heat shrink tube 12, so that it is fixed in the set position and sent to the next station. The first hot air gun 2 is used to heat it. The heat shrink tube 12 is compressed and firmly attached to the wire or terminal. An automatic speed control method is adopted to control the rotation of the transmission belt for correction to ensure that the finished wire harness accurately falls into the finished wire taking groove 15.

[0039] The above has shown and described the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. The above embodiments and the descriptions in the specification are only preferred examples of the present utility model and are not used to limit the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A two-wire three-in-one press-through heat shrink tube terminal machine, comprising a main frame (16), characterized in that: The top of the main frame (16) is fixedly connected to the bottom of the wire taking mechanism (1), the inner wall of the top of the main frame (16) is fixedly connected to the bottom of the first hot air gun (2), the top of the main frame (16) is fixedly connected to the bottom of the touch screen (3), the top of the main frame (16) is fixedly connected to the bottom of the tube pulling and positioning mechanism (4), the top of the main frame (16) is fixedly connected to the bottom of the terminal crimping mechanism (5), the top of the main frame (16) is fixedly connected to the bottom of the first tube threading mechanism (6), the top of the main frame (16) is fixedly connected to the top of the stripping mechanism (7), one side of the stripping mechanism (7) is movably connected to one side of the second hot air gun (8) and the third hot air gun (11), and the top of the main frame (16) is fixedly connected to the bottom of the first wire feeding mechanism (9); The top of the main frame (16) is fixedly connected to the bottom end of the wire straightening mechanism (10), the rear side of the first pipe threading mechanism (6) is fixedly connected to one side of the heat shrink tube (12), the top of the main frame (16) is fixedly connected to the bottom end of the upstream movable positioning mechanism (13), the top of the main frame (16) is fixedly connected to the bottom end of the downstream movable positioning mechanism (14), a finished wire taking groove (15) is provided on the top of the main frame (16), the top of the main frame (16) is fixedly connected to the bottom end of the second pipe threading mechanism (17), and the top of the main frame (16) is fixedly connected to the bottom end of the second wire feeding mechanism (18).

2. A two-wire three-in-one press-through heat shrink tube terminal machine according to claim 1, characterized in that: The tube-pulling positioning mechanism (4) comprises a first stepper motor (401), a first cylinder (402), a first linear guide rail (403) and a clamp (404), and the tube-pulling positioning mechanism (4) is arranged on the left side of the main frame (16). The terminal crimping mechanism (5) comprises a three-phase asynchronous motor (501), a terminal machine (502), a mold (503) and a first cutter (504), and the three-phase asynchronous motor (501) is arranged above the terminal machine (502). The processing end of the terminal machine (502) is movably connected to the top of the touch screen (3), and the top of the terminal machine (502) is provided with a first cutter (504).

3. A two-wire three-in-one press-through heat shrink tube terminal machine according to claim 2, characterized in that: The first pipe threading mechanism (6) is composed of a first servo motor (601), a second linear guide rail (602), a first ball screw (603), a second stepping motor (604), a first pipe cutting knife (605), a slide cylinder (606) and a first clamp (607), and the output end of the first servo motor (601) is fixedly connected to one end of the first ball screw (603). The peeling mechanism (7) includes a third stepping motor (701), a third linear guide rail (702), a second ball screw (703), a second cutting knife (704), a cutting knife slider (705), a first coupling (706) and a second servo motor (707), and the output end of the second servo motor (707) is fixedly connected to the bottom end of the second ball screw (703) through the first coupling (706).

4. A two-wire three-in-one press-through heat shrink tube terminal machine according to claim 3, characterized in that: The first wire feeding mechanism (9) includes a first wire wheel (901), a fixed tail plate (902) and a tightening handle (903), and the upstream movable positioning mechanism (13) includes a first synchronous wheel (1301), a first synchronous belt (1302), an electric motor (1303), a fourth linear guide rail (1304), a first pneumatic finger (1305) and a second clamp (1306), and the first synchronous belt (1302) is sleeved on the outer wall of the first synchronous wheel (1301), and the first synchronous wheel (1301) is provided with two groups, and the bottom end of the first synchronous wheel (1301) is fixedly connected to the output end of the electric motor (1303).

5. A two-wire three-in-one press-through heat shrink tube terminal machine according to claim 4, characterized in that: The downstream mobile positioning mechanism (14) is composed of a fifth linear guide rail (1401), a second pneumatic finger (1402), a third clamp (1403), a third servo motor (1404), a second coupling (1405) and a third ball screw (1406), and the output end of the third servo motor (1404) is fixedly connected to one end of the third ball screw (1406) through the second coupling (1405), the top end of the second pneumatic finger (1402) is fixedly connected to the bottom end of the third clamp (1403), and the second pipe-threading mechanism (17) includes a sixth linear guide rail (1701), a gear (1702), a conduit (1703), a second synchronous wheel (1704), a second synchronous belt (1705), a fourth stepper motor (1706), a third pneumatic finger (1707) and a second pipe cutting knife (1708), wherein the top end of the fourth stepper motor (1706) is fixedly connected to the bottom end of the second synchronous wheel (1704), and the second synchronous belt (1705) is sleeved on the outer wall of the second synchronous wheel (1704), and the second synchronous wheel (1704) is provided with two groups.

6. A two-wire three-in-one press-through heat shrink tube terminal machine according to claim 5, characterized in that: The second wire feeding mechanism (18) comprises a second wire wheel (1801), a fourth servo motor (1802), a third synchronous wheel (1803), a fifth stepping motor (1804) and a third synchronous belt (1805), and the terminal crimping mechanism (5) is provided with three groups, and the three groups of terminal crimping mechanisms (5) are respectively arranged on the top of the main frame (16) from right to left.

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