A multi-P end-piercing pipe-threading mechanism
By designing a multi-P terminal crimping and tubing insertion mechanism, the simultaneous terminal crimping and heat shrink tubing operations of multiple cables are realized, solving the problem of low efficiency of traditional equipment and improving production efficiency and cutting accuracy.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- DONGGUAN JUHAI MASCH EQUIP CO LTD
- Filing Date
- 2025-05-30
- Publication Date
- 2026-06-30
Smart Images

Figure CN224438177U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of cable production technology, specifically to a multi-P terminal crimping and tube insertion mechanism. Background Technology
[0002] In industrial production, wires with terminals are often used. In the production process, terminals are punched into the wires, heat shrink tubing is threaded through the wires, and then heat shrinking is performed. Traditional equipment solutions that produce finished products from single wires cannot simultaneously punch terminals, thread tubing, and heat shrink multiple cables, resulting in low production efficiency. Utility Model Content
[0003] The purpose of this invention is to provide a multi-P end-cutting and tube-threading mechanism to solve the aforementioned problems existing in the current wire production process.
[0004] To achieve the above objectives, the present invention adopts the following technical solution:
[0005] A multi-P end-cutting and tubing-threading mechanism includes an automatic tubing feeding and cutting assembly, an automatic tubing-threading assembly, and a heat-shrinking assembly. The automatic tubing feeding and cutting assembly includes a support frame and a heat-shrinking tubing feeding device, a heat-shrinking tubing cutting device, and a heat-shrinking tubing clamping device mounted on the support frame. The heat-shrinking tubing feeding device has multiple through holes arranged side-by-side for outputting heat-shrinking tubing. The heat-shrinking tubing cutting device is located outside the output end of the heat-shrinking tubing feeding device and cuts the heat-shrinking tubing to be threaded. The heat-shrinking tubing clamping device is located outside the heat-shrinking tubing cutting device and clamps the end of the heat-shrinking tubing for the heat-shrinking tubing cutting assembly. The heat shrink tubing is cut off. The heat shrink tubing clamping device has multiple wire clamping assemblies spaced apart to clamp and position the heat shrink tubing. The automatic tubing insertion assembly includes a wire pusher plate and a wire pusher plate driving assembly. The wire pusher plate driving assembly is movably disposed on the outside of the heat shrink tubing clamping device. The wire pusher plate is connected to the wire pusher plate driving assembly. The wire pusher plate has multiple wire through holes spaced apart for threading the wire to be inserted into the tubing. The heat shrink tubing assembly is disposed on one side of the automatic tubing insertion assembly. The wire pusher plate driving assembly drives the wire pusher plate to move closer to the heat shrink tubing assembly.
[0006] Furthermore, the heat shrink tubing feeding assembly includes a feed block, an upper drive roller, a lower drive roller, a first drive motor, and a discharge block. The upper drive roller and the lower drive roller are arranged vertically on the support frame and located between the feed block and the discharge block. Each of the tube holes is provided through the feed block and the discharge block. The upper drive roller and the lower drive roller are connected by gear transmission. The upper drive roller or the lower drive roller is connected to the first drive motor. The first drive motor drives the upper drive roller and the lower drive roller to rotate, thereby moving the heat shrink tubing located between the upper drive roller and the lower drive roller.
[0007] Furthermore, a first cylinder is provided on the support frame, and the upper drive roller is rotatably mounted on the mounting frame. The first cylinder is connected to the mounting frame, and the mounting frame is driven to move up and down by the first cylinder so that the upper drive roller moves closer to or away from the lower drive roller.
[0008] Furthermore, the heat shrink tubing cutting device includes a mounting frame, a guide rail, a first slider, a second cylinder, an upper cutter, and a lower cutter. The mounting frame is disposed outside the heat shrink tubing feeding assembly, the guide rail is disposed on the support frame, the first slider is slidably disposed on the guide rail and connected to the lower cutter, the upper cutter is disposed at the top of the mounting frame, and the lower cutter is driven to rise and fall by the second cylinder to cut the heat shrink tubing located between the upper cutter and the lower cutter.
[0009] Furthermore, a gear mounting bracket is provided on the outside of the mounting frame on the mounting bracket, and a gear is rotatably mounted in the gear mounting bracket. A second slider is provided at the bottom of the mounting frame, and the second slider is slidably mounted on the guide rail. An upper rack is provided on the upper cutter, and a lower rack is provided on the mounting frame. Both the upper rack and the lower rack mesh with the gear. When the upper cutter moves up and down, the gear is driven to rotate through the upper rack, and the rotation of the gear drives the mounting frame to move up and down through the lower rack.
[0010] Furthermore, the heat shrink tubing clamping device includes a linear module, an electric gripper, an upper clamping plate, and a lower clamping plate. The linear module is disposed on one side of the support frame, and the electric gripper is connected to the linear module. The upper clamping plate and the lower clamping plate are both connected to the electric gripper and located outside the heat shrink tubing cutting device. The clamping assembly includes a clamping groove and a clamping protrusion. The clamping groove is disposed on the lower clamping plate, and the clamping protrusion is disposed on the upper clamping plate. The linear module drives the upper clamping plate and the lower clamping plate to move closer to or away from the heat shrink tubing clamping device, and the electric gripper drives the upper clamping plate and the lower clamping plate to move closer to or away to clamp or release the heat shrink tubing.
[0011] Furthermore, the automatic tube threading assembly also includes a wire clamping device, which includes a third cylinder and an L-shaped clamping plate. One end of the third cylinder is connected to the wire pusher drive assembly, and the middle position of the L-shaped clamping plate is hinged to the end of the wire pusher drive assembly near the wire pusher plate. The output shaft of the third cylinder is hinged to the upper end of the L-shaped clamping plate. The top of the wire pusher drive assembly is provided with a support surface for the wire to pass through. The L-shaped clamping plate is driven by the third cylinder to flip to press or release the wire located on the support surface.
[0012] Furthermore, the heat shrink assembly includes a hot air duct, in which a heating groove for heating the wire is provided, and the heating groove is correspondingly provided with the pusher plate.
[0013] The beneficial effects of this utility model are:
[0014] This utility model's multi-P cable termination and conduit insertion mechanism, through the inclusion of an automatic conduit feeding and cutting component, an automatic conduit insertion component, and a heat shrinking component, enables simultaneous termination, conduit insertion, and heat shrinking of multiple cables by the coordinated operation of these components. In contrast, traditional solutions can only process single cables. This mechanism significantly shortens the production cycle, substantially improves production efficiency, and can meet the needs of large-scale industrial production.
[0015] Furthermore, in the automatic tube feeding and cutting assembly, the heat shrink tubing feeding device can stably and accurately transport heat shrink tubing through the cooperation of the upper and lower drive rollers; the heat shrink tubing cutting device adopts a cutting method with the cooperation of the upper and lower cutters, and through the transmission structure of gears, racks and pinions, it ensures the accuracy and stability of the cutting, avoiding the problem of heat shrink tubing waste or affecting the quality of subsequent processing due to inaccurate cutting.
[0016] Furthermore, the heat shrink tubing clamping device utilizes a linear module and electric grippers to flexibly adjust the positions of the upper and lower clamping plates, achieving reliable clamping and positioning of the heat shrink tubing. The multiple clamping components further ensure the stability of multiple heat shrink tubing units during processing, providing strong support for subsequent tubing insertion and heat shrinking operations.
[0017] Furthermore, the automatic conduit threading assembly's push-plate drive component can stably drive the push-plate to move. Multiple wire-passing holes spaced apart on the push-plate can simultaneously accommodate multiple wires, ensuring the stability and accuracy of the wires during the threading process. The wire clamping device further secures the wires, preventing them from shifting or shaking during threading, thus improving the threading quality. Attached Figure Description
[0018] Figure 1 This is a structural diagram showing the installation position of the multi-P terminal pipe-passing mechanism of this utility model;
[0019] Figure 2 This is a schematic diagram of the structure of the multi-P end-cutting and tube-threading mechanism of this utility model;
[0020] Figure 3 This is a schematic diagram of the automatic pipe feeding and cutting assembly in the multi-P end-cutting pipe threading mechanism of this utility model;
[0021] Figure 4 yes Figure 3 A structural diagram from another angle;
[0022] Figure 5 This is a schematic diagram of the heat shrink tubing delivery device in the multi-P end-cutting and tubing insertion mechanism of this utility model;
[0023] Figure 6 This is a schematic diagram of the heat shrink tubing clamping device in the multi-P end-cutting and tubing insertion mechanism of this utility model;
[0024] Figure 7 This is a schematic diagram of the heat shrink tubing cutting device in the multi-P end-cutting and tubing insertion mechanism of this utility model;
[0025] Figure 8 This is a schematic diagram of the heat shrink tubing cutting device in the multi-P end-cutting and tubing insertion mechanism of this utility model after removing the gear mounting bracket;
[0026] Figure 9 This is a structural schematic diagram of the automatic tube threading component in the multi-P end-cutting tube threading mechanism of this utility model.
[0027] The names corresponding to each mark in the diagram:
[0028] 1. Automatic pipe feeding and cutting assembly
[0029] 11. Support frame,
[0030] 12. Heat shrink tubing feeding device; 121. Feed block; 122. Upper drive roller; 123. Lower drive roller; 124. First drive motor; 125. Discharge block; 126. Through hole; 127. First cylinder; 128. Mounting bracket.
[0031] 13. Heat shrink tubing cutting device; 131. Mounting frame; 132. Guide rail; 133. First slider; 134. Second cylinder; 135. Upper cutter; 136. Lower cutter; 137. Gear mounting bracket; 138. Gear; 139. Second slider; 1310. Upper rack; 1311. Lower rack.
[0032] 14. Heat shrink tubing clamping device; 141. Linear module; 142. Electric gripper; 143. Upper clamping plate; 144. Lower clamping plate; 145. Clamping groove; 146. Clamping protrusion.
[0033] 2. Automatic tube threading assembly,
[0034] 21. Push-line plate,
[0035] 22. Push-wire board drive assembly,
[0036] 23. Wire clamping device; 231. Third cylinder; 232. L-shaped clamping plate; 233. Support surface.
[0037] 24. Wire guide hole
[0038] 3. Heat shrinkable components,
[0039] 31. Hot air duct,
[0040] 32. Heating tank. Detailed Implementation
[0041] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.
[0042] like Figures 1-9 As shown, this multi-P end-cutting and tube-threading mechanism mainly consists of an automatic tube feeding and cutting assembly 1, an automatic tube-threading assembly 2, and a heat-shrinking assembly 3.
[0043] Figure 2 and Figure 3 As shown, the automatic tube feeding and cutting assembly 1 includes a support frame 11 and a heat shrink tubing feeding device 12, a heat shrink tubing cutting device 13, and a heat shrink tubing clamping device 14 disposed on the support frame 11.
[0044] Figure 4 and Figure 5As shown, the heat shrink tubing feeding device 12 includes a feeding block 121, an upper drive roller 122, a lower drive roller 123, a first drive motor 124, and a discharging block 125. The upper drive roller 122 and the lower drive roller 123 are arranged vertically on the support frame 11 and are located between the feeding block 121 and the discharging block 125. Both the feeding block 121 and the discharging block 125 have multiple through holes 126 arranged side-by-side for outputting heat shrink tubing, and these through holes 126 penetrate the feeding block 121 and the discharging block 125. The upper drive roller 122 and the lower drive roller 123 are connected by gear transmission, and the lower drive roller 123 is also connected to the first drive motor 124. During operation, the first drive motor 124 drives the lower drive roller 123 to rotate, and the lower drive roller 123 drives the upper drive roller 122 to rotate synchronously through the gears, thereby moving the heat shrink tubing located between the upper drive roller 122 and the lower drive roller 123, thus realizing the delivery of the heat shrink tubing. In addition, a first cylinder 127 is also provided on the support frame 11, and the upper drive roller 122 is rotatably mounted on the mounting frame 128. The first cylinder 127 is connected to the mounting frame 128. By driving the mounting frame 128 up and down through the first cylinder 127, the upper drive roller 122 can be moved closer to or further away from the lower drive roller 123 to meet the conveying needs of heat shrink tubing of different specifications.
[0045] Figure 7 and Figure 8 As shown, the heat shrink tubing cutting device 13 is located outside the output end of the heat shrink tubing delivery device 12, and includes a mounting frame 131, a guide rail 132, a first slider 133, a second cylinder 134, an upper cutter 135, and a lower cutter 136. The mounting frame 131 is located outside the heat shrink tubing delivery device 12. The guide rail 132 is mounted on a support frame 11. The first slider 133 is slidably mounted on the guide rail 132 and connected to the lower cutter 136. The upper cutter 135 is located at the top of the mounting frame 131. A gear 138 is rotatably mounted in a gear mounting bracket 137 outside the mounting frame 131. A second slider 139 is located at the bottom of the mounting frame 131 and slidably mounted on the guide rail 132. An upper rack 1310 is mounted on the upper cutter 135, and a lower rack 1311 is mounted on the mounting frame 131. Both the upper rack 1310 and the lower rack 1311 mesh with the gear 138. When heat shrink tubing needs to be cut, the second cylinder 134 drives the lower cutter 136 to rise and fall, while the upper cutter 135 rises and falls simultaneously. When the upper cutter 135 rises and falls, it drives the gear 138 to rotate through the upper rack 1310. The rotation of the gear 138 drives the mounting frame 131 to move up and down through the lower rack 1311, thereby realizing the coordinated cutting of the upper cutter 135 and the lower cutter 136, cutting off the heat shrink tubing located between the upper cutter 135 and the lower cutter 136.
[0046] Figure 6As shown, the heat shrink tubing clamping device 14 is located outside the heat shrink tubing cutting device 13, and includes a linear module 141, an electric gripper 142, an upper clamping plate 143, and a lower clamping plate 144. The linear module 141 is located on one side of the support frame 11, and the electric gripper 142 is connected to the linear module 141. The upper clamping plate 143 and the lower clamping plate 144 are both connected to the electric gripper 142 and are located outside the heat shrink tubing cutting device 13. The linear module is a screw-nut mechanism driven by a motor, and its specific structure will not be described in detail here. The lower clamping plate 144 is provided with a tubing clamping groove 145, and the upper clamping plate 143 is provided with a tubing clamping protrusion 146. During operation, the linear module 141 drives the upper clamping plate 143 and the lower clamping plate 144 to move closer to or away from the heat shrink tubing clamping device 14, and the electric gripper 142 drives the upper clamping plate 143 and the lower clamping plate 144 to move closer to or away. The heat shrink tubing is clamped or released by the cooperation between the clamping protrusion 146 and the clamping groove 145. The heat shrink tubing clamping device 14 is provided with multiple clamping components at intervals, which can clamp and position the heat shrink tubing.
[0047] Figure 9 As shown, the automatic tubing insertion assembly 2 includes a push plate 21, a push plate drive assembly 22, and a wire clamping device 23. The push plate drive assembly 22 is movably disposed on the outside of the heat shrink tubing clamping device 14. The push plate 21 is connected to the push plate drive assembly 22, and the push plate 21 has a plurality of wire-passing holes 24 spaced apart, through which the wire to be inserted is inserted. The push plate drive assembly 22 is used to drive the push plate 21 to move, bringing the push plate 21 closer to the heat shrink tubing assembly 3.
[0048] It should be noted that the structure of the pusher board drive assembly is prior art. The structure used in this embodiment can be referenced from the pusher mechanism in publication number CN220066379U (which belongs to the same applicant as this case). Therefore, its specific structure will not be described in detail.
[0049] Figure 9 As shown, the wire clamping device 23 includes a third cylinder 231 and an L-shaped clamping plate 232. One end of the third cylinder 231 is connected to the wire pusher plate drive assembly 22. The middle position of the L-shaped clamping plate 232 is hinged to the end of the wire pusher plate drive assembly 22 near the wire pusher plate 21. The output shaft of the third cylinder 231 is hinged to the upper end of the L-shaped clamping plate 232. The top of the wire pusher plate drive assembly 22 is provided with a support surface 233 for the wire to pass through. When it is necessary to clamp the wire, the third cylinder 231 drives the L-shaped clamping plate 232 to rotate, so that the L-shaped clamping plate 232 presses the wire located on the support surface 233 to ensure stability during heat shrinking. When it is necessary to release the wire, the third cylinder 231 drives the L-shaped clamping plate 232 to rotate in the opposite direction, so that the L-shaped clamping plate 232 releases the wire.
[0050] Figure 2As shown, the heat shrink assembly 3 is located on one side of the automatic tube threading assembly 2, and includes a hot air pipe 31. The hot air pipe 31 contains a heating groove 32 for heating the wire tube, and the heating groove 32 is correspondingly positioned with the push plate 21. When the push plate 21 pushes the wire with the heat shrink tube threaded through it closer to the heat shrink assembly 3, the hot air generated by the hot air pipe 31 enters the heating groove 32, heating the heat shrink tube and causing it to shrink and wrap around the wire.
[0051] Working principle:
[0052] First, multiple heat shrink tubings are passed through the tube holes 126 on the feed block 121 and discharge block 125 of the heat shrink tubing feeding device 12. The first drive motor 124 drives the upper drive roller 122 and lower drive roller 123 to rotate, conveying the heat shrink tubing to the heat shrink tubing cutting device 13. Simultaneously, multiple wires to be threaded are passed through the wire holes 24 on the wire push plate 21 and clamped by the wire clamping device 23. The linear module 141 and electric gripper 142 of the heat shrink tubing clamping device 14 cooperate to clamp the heat shrink tubing with the upper clamping plate 143 and lower clamping plate 144. Then, the second cylinder 134 of the heat shrink tubing cutting device 13 drives the lower cutter 136 to rise and fall, cooperating with the upper cutter 135 to cut the heat shrink tubing. Next, the pusher plate drive assembly 22 moves to the heat shrink tubing clamping device 14 via the drive device (not shown in the figure). At the same time, the pusher plate drive assembly 22 drives the pusher plate 21 to move to complete the tubing insertion. Then, the pusher plate drive assembly 22 moves to push the wire with the heat shrink tubing into the heating groove 32 of the heat shrink assembly 3. The hot air generated by the hot air pipe 31 causes the heat shrink tubing to shrink and wrap around the wire, completing the simultaneous end-cutting, tubing insertion, and heat shrinking operations of multiple cables.
[0053] In summary, this multi-P cable termination and conduit insertion mechanism, through the coordinated operation of the automatic conduit feeding and cutting assembly 1, the automatic conduit insertion assembly 2, and the heat shrinking assembly 3, enables simultaneous termination, conduit insertion, and heat shrinking of multiple cables, effectively improving production efficiency.
[0054] Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model are within the protection scope of this utility model.
Claims
1. A multi-P end-cutting and pipe-threading mechanism, characterized in that: The device includes an automatic tubing feeding and cutting assembly, an automatic tubing threading assembly, and a heat shrinking assembly. The automatic tubing feeding and cutting assembly includes a support frame and, mounted on the support frame, a heat shrink tubing feeding device, a heat shrink tubing cutting device, and a heat shrink tubing clamping device. The heat shrink tubing feeding device has multiple through holes arranged side-by-side for outputting heat shrink tubing. The heat shrink tubing cutting device is located outside the output end of the heat shrink tubing feeding device and cuts the heat shrink tubing to be threaded. The heat shrink tubing clamping device is located outside the heat shrink tubing cutting device and clamps the end of the heat shrink tubing for the cutting device to cut it. The heat shrink tubing clamping device has multiple clamping assemblies spaced apart, which clamp and position the heat shrink tubing. The automatic tubing insertion assembly includes a push plate and a push plate driving assembly. The push plate driving assembly is movably disposed on the outside of the heat shrink tubing clamping device. The push plate is connected to the push plate driving assembly. The push plate has multiple wire-passing holes spaced apart, which are used to insert the wire to be inserted into the tubing. The heat shrink tubing assembly is disposed on one side of the automatic tubing insertion assembly. The push plate driving assembly is used to drive the push plate to move so that the push plate is close to the heat shrink tubing assembly.
2. The multi-P end-cutting and pipe-threading mechanism according to claim 1, characterized in that: The heat shrink tubing feeding assembly includes a feed block, an upper drive roller, a lower drive roller, a first drive motor, and a discharge block. The upper drive roller and the lower drive roller are arranged vertically on the support frame and located between the feed block and the discharge block. Each of the tube holes is provided through the feed block and the discharge block. The upper drive roller and the lower drive roller are connected by gear transmission. The upper drive roller or the lower drive roller is connected to the first drive motor. The first drive motor drives the upper drive roller and the lower drive roller to rotate, thereby moving the heat shrink tubing located between the upper drive roller and the lower drive roller.
3. The multi-P end-cutting and pipe-threading mechanism according to claim 2, characterized in that: The support frame is equipped with a first cylinder, and the upper drive roller is rotatably mounted on the mounting frame. The first cylinder is connected to the mounting frame, and the mounting frame is driven to move up and down by the first cylinder so that the upper drive roller moves closer to or away from the lower drive roller.
4. The multi-P end-cutting and pipe-threading mechanism according to claim 1, characterized in that: The heat shrink tubing cutting device includes a mounting frame, a guide rail, a first slider, a second cylinder, an upper cutter, and a lower cutter. The mounting frame is located outside the heat shrink tubing feeding device. The guide rail is located on the support frame. The first slider is slidably mounted on the guide rail and connected to the lower cutter. The upper cutter is located at the top of the mounting frame. The lower cutter is driven to rise and fall by the second cylinder to cut the heat shrink tubing located between the upper cutter and the lower cutter.
5. The multi-P end-cutting and pipe-threading mechanism according to claim 4, characterized in that: A gear mounting bracket is provided on the outer side of the mounting frame, and a gear is rotatably mounted in the gear mounting bracket. A second slider is provided at the bottom of the mounting frame and is slidably mounted on the guide rail. An upper rack is provided on the upper cutter and a lower rack is provided on the mounting frame. Both the upper rack and the lower rack mesh with the gear. When the upper cutter moves up and down, the gear is driven to rotate through the upper rack. The rotation of the gear drives the mounting frame to move up and down through the lower rack.
6. The multi-P end-cutting and pipe-threading mechanism according to claim 1, characterized in that: The heat shrink tubing clamping device includes a linear module, an electric gripper, an upper clamping plate, and a lower clamping plate. The linear module is disposed on one side of the support frame, and the electric gripper is connected to the linear module. The upper clamping plate and the lower clamping plate are both connected to the electric gripper and are located outside the heat shrink tubing cutting device. The clamping assembly includes a clamping groove and a clamping protrusion. The clamping groove is disposed on the lower clamping plate, and the clamping protrusion is disposed on the upper clamping plate. The linear module drives the upper clamping plate and the lower clamping plate to move closer to or away from the heat shrink tubing clamping device, and the electric gripper drives the upper clamping plate and the lower clamping plate to move closer to or away to clamp or release the heat shrink tubing.
7. The multi-P end-cutting and pipe-threading mechanism according to claim 1, characterized in that: The automatic tube threading assembly also includes a wire clamping device, which includes a third cylinder and an L-shaped clamping plate. One end of the third cylinder is connected to the wire pusher drive assembly. The middle position of the L-shaped clamping plate is hinged to the end of the wire pusher drive assembly near the wire pusher plate. The output shaft of the third cylinder is hinged to the upper end of the L-shaped clamping plate. The top of the wire pusher drive assembly is provided with a support surface for the wire to pass through. The L-shaped clamping plate is driven by the third cylinder to flip to press or release the wire located on the support surface.
8. The multi-P end-cutting and pipe-threading mechanism according to claim 1, characterized in that: The heat shrink assembly includes a hot air duct, in which a heating groove for heating wire is provided, and the heating groove is correspondingly provided with the push wire plate.