A wire harness clamping positioning mechanism for wire harness injection molding
By designing a wire harness clamping and positioning mechanism, and utilizing components such as a contact plate, a push tensioning plate, and a PLC controller, the problems of inconvenient fixing and difficult demolding of wire harnesses during injection molding were solved. This achieved stable positioning and rapid demolding of the wire harness, improving the stability and aesthetics of injection molding.
Patent Information
- Application Number
- CN202211482767.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2022-11-24
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2042-11-24
AI Technical Summary
During the injection molding process, the connectors of the wire harness are difficult to fix conveniently, and it is difficult to demold quickly after injection molding. At the same time, inaccurate positioning of the wire harness leads to wire deviation, which affects the aesthetics of the injection molding.
A wire harness clamping and positioning mechanism was designed, including an injection molding frame, a wire harness positioning platform, and a shaping frame. By utilizing components such as a junction plate, a push tensioning plate, a micro electric push rod, and a PLC controller, the mechanism enables convenient fixing and rapid demolding of the wire harness.
It achieves stable positioning of the wire harness during the injection molding process, improves the stability after injection molding, and enables rapid demolding, thus enhancing the aesthetics of the injection molded product.
Smart Images

Figure CN116834202B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application belongs to the field of wire harness forming equipment, and relates to wire harness clamping positioning technology, in particular to a wire harness clamping positioning mechanism for wire harness injection molding. BACKGROUND
[0002] Injection molding, also known as injection molding, is a molding method of injection and molding. The advantages of injection molding method are high production speed and efficiency, and the operation can be automated, and it is widely used in wire harness production. Clamping is the first step in wire harness processing, that is, the wire harness occupies a correct position on the machine tool or the clamp. This process is called positioning. The wire harness needs to be clamped and positioned during the injection molding process with the electrical connector.
[0003] However, during the injection molding process of the wire harness, the electrical connector is usually connected by a support during the molding positioning of the wire harness electrical connector in the mold cavity. However, the electrical connector is prone to shaking during the molding process. Secondly, the injection molding equipment cannot reasonably position the wire harness during injection molding, which causes the wire to be irregular, and the wire is prone to shift to one side after injection molding, affecting the appearance of the injection molding. Finally, the injection molding equipment cannot quickly demold after injection molding. Therefore, we propose a wire harness clamping positioning mechanism for wire harness injection molding. SUMMARY
[0004] In view of the deficiencies of the prior art, the application aims to provide a wire harness clamping positioning mechanism for wire harness injection molding.
[0005] The technical problems to be solved by the application are:
[0006] (1) The electrical connector cannot be conveniently fixed during the injection molding process, and cannot be quickly demolded after the injection molding is completed.
[0007] (2) The position of the wire harness cannot be reasonably limited during injection molding, which can easily cause the wire to shift during injection molding.
[0008] The purposes of the present application can be achieved by the following technical solutions: a wire harness clamping positioning mechanism for wire harness injection molding, comprising an injection molding frame, a wire harness positioning table and a shaping frame, a molding cavity is formed on the surface of the injection molding frame, an electrical connection sheet for wire harness connection is arranged inside the molding cavity, the electrical connection sheet is arranged in a triangular shape, the electrical connection end of the electrical connection sheet is inserted into the bottom end of the injection molding frame, the electrical connection sheet is in sealed connection with the injection molding frame, a wire slot for clamping the electrical connection end of the wire harness is arranged at the connection end of the electrical connection sheet, a sealing template matched with the molding cavity is arranged above the molding cavity, a shaping frame is installed on one side of the injection molding frame, a wire harness positioning table is connected to the end of the shaping frame away from the injection molding frame, and a clamping piece for positioning the wire harness is installed on the wire harness positioning table.
[0009] Further, a transmission cavity is arranged inside the injection molding frame below the molding cavity, a push-tightening plate is arranged in the transmission cavity and movably connected with the electrical connection sheet, the push-tightening plate is in sliding connection with the inner wall of the transmission cavity, the push-tightening plate is connected with a micro electric push rod installed in the transmission cavity, and the micro electric push rod is connected with a control piece.
[0010] Further, the control piece comprises a PLC controller, a position sensor and a temperature sensor, the temperature sensor is installed on the side wall of the transmission cavity close to the molding cavity, the position sensor is installed on the push-tightening plate at the pushing end of the micro electric push rod, and the position sensor and the temperature sensor are connected with the PLC controller.
[0011] Further, a wireless data receiver is installed in the transmission cavity, the temperature sensor and the position sensor are wirelessly connected with the PLC controller through the wireless data receiver, the model of the PLC controller is S7-200, the model of the temperature sensor is pt100, and the model of the position sensor is S3270.
[0012] Further, a connecting groove is formed on the push-tightening plate, the connecting groove is arranged in one-to-one correspondence with the electrical connection sheet, a round hole is formed on the electrical connection sheet, a clamping rod is arranged on the push-tightening plate, and the clamping rod is inserted into the push-tightening plate and connected with the round hole on the electrical connection sheet.
[0013] Further, the outer diameter of the clamping rod is the same as the inner diameter of the round hole, and a round corner is arranged at the edge of the insertion end.
[0014] Further, the shaping frame is internally provided with a shaping table for shaping the wire harness connection end, one side of the shaping table is provided with a movable sealing table in sealing connection therewith, the movable sealing table and the shaping table are in sealing connection with the inner wall of the shaping frame, the shaping frame is provided with an injection molding flow guide hole near one end of the injection molding frame, the injection molding flow guide hole is in communication with the injection molding frame, and an inlet hole is formed near one end of the wire harness positioning table, the inner sides of the movable sealing table and the shaping table are provided with semicircular grooves, and the semicircular grooves are arranged in a stepped structure from the injection molding flow guide hole to the inlet hole, and a sealing clamping ring is arranged in the semicircular groove of the movable sealing table near the inlet hole.
[0015] Further, the sealing clamping ring is made of high-temperature-resistant material.
[0016] Further, a adjusting screw is threadedly installed at one end of the movable sealing table away from the shaping table, the adjusting screw is in rotational connection with the shaping frame, and a sealing turntable is installed at the other end of the adjusting screw.
[0017] Further, the top of the shaping frame is of an open structure, a transparent observation window is installed in sealing connection with the inner wall thereof, the surface of the transparent observation window is provided as a rough surface, and the transparent observation window is made of high-temperature-resistant hard material.
[0018] Further, the clamping member comprises an arc-shaped wire clamping table and a pushing member for moving the arc-shaped wire clamping table, one end of the inner wall of the wire harness positioning table is provided as an arc-shaped structure to form an arc-shaped clamping groove, and the other end is provided with the arc-shaped wire clamping table embedded therein, one end of the arc-shaped wire clamping table near the arc-shaped surface of the wire harness inner wall is provided as an arc-shaped surface with the same structure, and the other end of the arc-shaped wire clamping table is connected with the pushing member for pushing the arc-shaped wire clamping table to move.
[0019] Further, the pushing member comprises a fixed baffle, a wire clamping spring, a movable connecting rod and a pulling disc, the embedded end of the arc-shaped wire clamping table is connected with the movable connecting rod, the movable connecting rod penetrates through the wire harness positioning table and is connected with the pulling disc, the wire clamping spring for pulling the movable connecting rod to move is arranged between the pulling disc and the wire harness positioning table, the fixed baffle is fixed on the movable connecting rod, the wire harness positioning table is provided with a guide plate hole for guiding the fixed baffle into the wire harness positioning table, and the fixed baffle is in sliding connection with the guide plate hole.
[0020] Further, the injection molding frame is provided with a connecting hole, the sealing template is provided with a mounting hole, the mounting hole of the sealing template is in threaded connection with the connecting hole through a fastening bolt, and the surfaces of the injection molding frame and the bottom surface of the sealing template are both provided as smooth structures.
[0021] Further, the power connection piece is provided as a hollow structure near the wire connection groove, and the power connection pieces at both ends of the wire connection groove can be plastically deformed.
[0022] Compared with the prior art, the present application has the following beneficial effects:
[0023] 1、The wire harness can be conveniently clamped and fixed in the wire harness forming process, the connecting end of the wire harness connector is connected during injection molding, the outer wall of the connecting end is sealed, and a length of the connecting end is injection molded together with the sheet, thereby improving the stability of the wire harness after injection molding;
[0024] 2、The power connection sheet is connected with the push-pull plate through the clamping rod when being placed, the push-pull plate is moved by the micro electric push rod, and the push-pull plate is stably clamped for injection molding with the injection molding frame;
[0025] 3、After injection molding is completed, the temperature sensor sends temperature information to the PLC controller, the PLC controller controls the micro electric push rod to work according to the position information fed back by the position sensor, the micro electric push rod works to generate a force on the push-pull plate, the push-pull plate pushes the power connection sheet to move upward, and the power connection sheet pushes the power connection head out after injection molding;
[0026] 4、The movable connecting rod moves the arc-shaped wire clamping table by applying force to the pull plate, the wire harness is placed inside the arc-shaped wire clamping table, the movable connecting rod is moved by the tension generated by the spring, and the arc-shaped wire clamping table stably clamps the wire harness. BRIEF DESCRIPTION OF DRAWINGS
[0027] In order to facilitate understanding of those skilled in the art, the present application will be further described below with reference to the accompanying drawings.
[0028] Figure 1 The overall system block diagram of the wire harness clamping and positioning mechanism for wire harness injection molding of the present application;
[0029] Figure 2 The wire harness clamping and positioning mechanism for wire harness injection molding of the present application Figure 1 The enlarged view of A in the present application;
[0030] Figure 3 The top view of the shaping frame in the wire harness clamping and positioning mechanism for wire harness injection molding of the present application;
[0031] Figure 4 The left view of the shaping frame in the wire harness clamping and positioning mechanism for wire harness injection molding of the present application;
[0032] Figure 5 The front view of the injection molding frame in the wire harness clamping and positioning mechanism for wire harness injection molding of the present application.
[0033] In the figure: 1, arc-shaped clamping groove; 2, wire harness positioning table; 3, transparent observation window; 4, connecting hole; 5, injection molding frame; 6, sealing template; 7, fastening bolt; 8, wiring slot; 9, power connection piece; 10, sealing rotary disc; 11, shaping frame; 12, arc-shaped wire clamping table; 13, fixed baffle; 14, guide plate hole; 15, wire clamping spring; 16, movable connecting rod; 17, pulling disc; 18, shaping table; 19, injection flow guide hole; 20, movable sealing table; 21, adjusting screw; 22, sealing clamping ring; 23, wire inlet hole; 24, molding cavity; 25, transmission cavity; 26, pushing tensioning plate; 27, micro electric push rod; 28, clamping rod. DETAILED DESCRIPTION
[0034] The technical solutions of the present application will be described clearly and completely below in conjunction with the embodiments. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0035] Please refer to Figures 1-5 As shown in the figure, a wire harness clamping and positioning mechanism for wire harness injection molding includes an injection molding frame 5, a wire harness positioning table 2, and a shaping frame 11. The surface of the injection molding frame 5 is provided with a molding cavity 24. The inside of the molding cavity 24 is provided with a power connection piece 9 for wire harness connection. The power connection piece 9 is arranged in a triangular shape, which corresponds to the position of the existing plug one by one. The power connection piece 9 is inserted into the bottom end of the injection molding frame 5 and enters the inside of the transmission cavity 25, and is connected with the pushing tensioning plate 26 inside the transmission cavity 25. The power connection piece 9 is sealingly connected with the injection molding frame 5. The connection is provided with a sealing structure to prevent the liquid poured during injection from entering the inside of the transmission cavity 25. The connection end of the power connection piece 9 is provided with a wiring slot 8 for clamping the wire harness power connection end. The wiring slot 8 clamps the wire harness power connection metal to make the circuit connected. The top of the molding cavity 24 is provided with a sealing template 6 connected therewith. The sealing template 6 seals the injection molding frame 5. The injection molding frame 5 is provided with the shaping frame 11 on one side. The shaping frame 11 is used to design the shape of the wire harness connection part to prolong the injection length, so that the wire harness is stably connected after injection. The shaping frame 11 is connected with the wire harness positioning table 2 away from the injection molding frame 5. The wire harness positioning table 2 is provided with a clamping part for positioning the wire harness;
[0036] The injection molding frame 5 is internally provided with a transmission cavity 25 located below the molding cavity 24, the transmission cavity 25 is internally provided with a push tension plate 26 movably connected with the electrical contact piece 9, the push tension plate 26 is slidably connected with the inner wall of the transmission cavity 25, the push tension plate 26 is connected with a micro electric push rod 27 installed in the transmission cavity 25, the micro electric push rod 27 is data-connected with a control element, the transmission cavity 25 installs the push tension plate 26 and the micro electric push rod 27, the micro electric push rod 27 is electrically connected with a PLC controller, the PLC controller controls the extension and retraction of the micro electric push rod 27, when retracted, the push tension plate 26 drives the electrical contact piece 9 to move downward, the electrical contact piece 9 is sealed and connected with the injection molding frame 5, after the injection is completed, the PLC controller controls the micro electric push rod 27 to extend and drive the push tension plate 26 to move upward, the push tension plate 26 pushes the electrical contact piece 9 out, and the electrical contact head after injection molding is quickly demolded.
[0037] The control element includes a PLC controller, a position sensor and a temperature sensor, the transmission cavity 25 is installed with a temperature sensor on the side wall close to the molding cavity 24, the push end of the micro electric push rod 27 is provided with a position sensor installed on the push tension plate 26, the position sensor and the temperature sensor are connected with the PLC controller, the temperature sensor transmits the temperature information of the injection molding frame 5 after injection to the PLC controller, when the temperature information received by the PLC controller is within the solidification temperature of the electrical contact head, the PLC controller receives the position information of the position sensor and controls the micro electric push rod 27 to work.
[0038] The transmission cavity 25 is internally installed with a wireless data receiver, the temperature sensor and the position sensor are wirelessly data-connected with the PLC controller through the wireless data receiver, the model of the PLC controller is S7-200, the model of the temperature sensor is pt100, and the model of the position sensor is S3270, the PLC controller controls the micro electric push rod 27 according to the received temperature information of the temperature sensor and the position information of the position sensor.
[0039] The push tension plate 26 is provided with a connecting groove, the connecting groove is provided in one-to-one correspondence with the electrical contact piece 9, the electrical contact piece 9 is provided with a circular hole, the push tension plate 26 is provided with a clamping rod 28, the clamping rod 28 is inserted into the inside of the push tension plate 26 and is connected with the circular hole on the electrical contact piece 9, the connecting groove facilitates the insertion of the electrical contact piece 9 into the inside of the push tension plate 26 through the clamping rod 28, the outer diameter of the clamping rod 28 is the same as the inner diameter of the circular hole, a round corner is arranged at the edge of the insertion end, the round corner of the insertion end makes the outer diameter of the insertion end smaller, facilitating the insertion into the inside of the push tension plate 26.
[0040] The inside of the shaping frame 11 is provided with a shaping table 18 for shaping the wire harness connecting end, one side of the shaping table 18 is provided with a movable sealing table 20 in sealing connection with the shaping table 18, the movable sealing table 20 and the shaping table 18 are in sealing connection with the inner wall of the shaping frame 11, the shaping frame 11 is provided with an injection molding flow guide hole 19 at one end close to the injection molding frame 5, the injection molding flow guide hole 19 is arranged to make the pouring liquid enter the inside of the shaping frame 11 along the injection molding flow guide hole 19, the injection molding flow guide hole 19 is in communication with the injection molding frame 5, an inlet hole 23 is arranged at one end close to the wire harness positioning table 2, the inside of the movable sealing table 20 and the shaping table 18 is provided with a semicircular groove, and the semicircular groove is arranged in a stepped structure from the injection molding flow guide hole 19 to the inlet hole 23, a sealing clamping ring 22 is arranged in the semicircular groove of the movable sealing table 20 close to the inlet hole 23, the wire harness enters the inside of the shaping table 18 through the inlet hole 23, and the wire harness is sealingly connected through the sealing clamping ring 22 in the inside of the shaping table 18, the stepped semicircular groove in the movable sealing table 20 and the shaping table 18 makes the injection molding structure at the connecting end of the wire harness be a stepped semicircular shape, the sealing clamping ring 22 is made of high-temperature-resistant material, which prevents the sealing clamping ring 22 from deforming due to high temperature during injection molding, a adjusting screw 21 is threadedly installed at one end of the movable sealing table 20 away from the shaping table 18, the adjusting screw 21 is in rotary connection with the shaping frame 11, the other end of the adjusting screw 21 is provided with a sealing turntable 10, the sealing turntable 10 is forced, the sealing turntable 10 rotates to drive the adjusting screw 21 to rotate along the shaping frame 11, the adjusting screw 21 is extended and retracted in the inside of the movable sealing table 20 through the threaded connection, and drives the movable sealing table 20 to move; the top of the shaping frame 11 is of an open structure, a transparent observation window 3 is sealingly connected with the inner wall of the shaping frame 11 at the opening, the surface of the transparent observation window 3 is provided as a rough surface, the transparent observation window 3 is made of high-temperature-resistant hard material, and the transparent observation window 3 is arranged to observe the sealing condition of the movable sealing table 20 in the inside of the shaping frame 11, the clamping member includes an arc-shaped wire clamping table 12 and a pushing member for driving the arc-shaped wire clamping table 12 to move, one end of the inner wall of the wire harness positioning table 2 is provided as an arc-shaped structure to form an arc-shaped clamping groove 1, the other end is provided with the arc-shaped wire clamping table 12 embedded in the inside, one end of the arc-shaped wire clamping table 12 close to the arc-shaped surface of the wire harness inner wall is provided as an arc-shaped surface with the same structure, the other end of the arc-shaped wire clamping table 12 is connected with the pushing member for pushing the arc-shaped wire clamping table 12 to move, the wire harness is placed on the arc-shaped structure surface in the inside of the wire harness positioning table 2, the pushing member pushes the arc-shaped wire clamping table 12 to move, and the arc-shaped wire clamping table 12 moves to clamp the wire harness.
[0041] The pushing member comprises a fixed baffle 13, a wire clamping spring 15, a movable connecting rod 16 and a pulling disc 17, the arc-shaped wire clamping table 12 is connected with the movable connecting rod 16 at the embedded end, the movable connecting rod 16 can rotate along the arc-shaped wire clamping table 12, the movable connecting rod 16 penetrates through the wire harness positioning table 2 and is connected with the pulling disc 17, the wire clamping spring 15 for pulling the movement of the pulling disc 17 is arranged between the pulling disc 17 and the wire harness positioning table 2, the fixed baffle 13 is fixed on the movable connecting rod 16, the guide plate hole 14 for guiding the fixed baffle 13 into the inside is arranged on the wire harness positioning table 2, the fixed baffle 13 is slidably connected with the guide plate hole 14, when the arc-shaped wire clamping table 12 is pulled, the pulling disc 17 is forced, the movable connecting rod 16 is forced to move, the movable connecting rod 16 drives the arc-shaped wire clamping table 12 to move, the pulling disc 17 is stretched when moving, the movable connecting rod 16 slides along the guide plate hole 14 through the fixed baffle 13 when moving, when the fixed baffle 13 moves to the outer wall of the wire harness positioning table 2, the arc-shaped wire clamping table 12 is embedded in the inside of the wire harness positioning table 2, the fixed baffle 13 is clamped on the outer wall of the wire harness positioning table 2 by rotating the movable connecting rod 16;
[0042] The sealing template 6 is provided with a mounting hole, the mounting hole on the sealing template 6 is connected with the connecting hole 4 through the threaded connection of the fastening bolt 7, the surface of the injection molding frame 5 and the bottom surface of the sealing template 6 are both provided with smooth structures, the connecting part is provided with a smooth structure to improve the sealing performance of the connecting part, the fastening bolt 7 is used for connection and disconnection, a press machine can be installed on the sealing template 6, the sealing template 6 is connected with the injection molding frame 5 through the extrusion of the press machine, the electric contact piece 9 near the wiring groove 8 is provided with a hollow structure, the electric contact piece 9 at both ends of the wiring groove 8 can be plastically deformed, the electric contact piece 9 near the wiring groove 8 is provided with a hollow structure, the wiring groove 8 can be connected with the wire harness electric metal through the force of the hand, and the electric metal and the wiring groove 8 are prevented from being separated during injection.
[0043] When working, firstly, force is applied to the pulling disc 17, the pulling disc 17 pulls the arc-shaped wire clamping table 12 through the movable connecting rod 16, the pulling disc 17 is stretched when moving, the movable connecting rod 16 is slid along the guide plate hole 14 through the fixed baffle 13 when moving, when the fixed baffle 13 moves to the outer wall of the wire harness positioning table 2, the arc-shaped wire clamping table 12 is embedded in the wire harness positioning table 2, the movable connecting rod 16 is rotated, the fixed baffle 13 is clamped on the outer wall of the wire harness positioning table 2, the wire harness is passed through the shaping frame 11 into the injection molding frame 5, the metal electric wire in the wire harness is clamped in the wiring groove 8, after clamping, the wire harness is pulled tight, the sealing turntable 10 is rotated, the sealing turntable 10 drives the adjusting screw 21 to rotate along the shaping frame 11, the adjusting screw 21 is rotated to drive the movable sealing table 20 to move through the threaded connection, the movable sealing table 20 is moved to clamp the wire harness, the connecting part is sealed through the sealing clamping ring 22, the pulling disc 17 is rotated, the pulling disc 17 drives the movable connecting rod 16 to rotate along the arc-shaped wire clamping table 12, the movable connecting rod 16 drives the fixed baffle 13 to rotate, the fixed baffle 13 is rotated to the guide plate hole 14, the wire clamping spring 15 generates a rebound force, the movable connecting rod 16 is driven by the pulling disc 17 to push the arc-shaped wire clamping table 12 to move, the arc-shaped wire clamping table 12 is moved to compress the wire harness in the wire harness positioning table 2.
[0044] After injection molding is completed, the sealing template 6 is disassembled, the temperature sensor transmits the temperature information of the injection molded shaping frame 5 after injection molding to the PLC controller, the PLC controller receives the position information of the position sensor according to the received temperature information 50-100℃, the PLC controller controls the micro electric push rod 27 to work, the micro electric push rod 27 works to push the tensioning plate 26 to move upward, the tensioning plate 26 is pushed to move upward to push the electric contact piece 9 to move, so that the electric contact head after injection molding is quickly demolded.
[0045] The preferred embodiments disclosed above are only used to help explain the present application. The preferred embodiments do not describe all the details and limit the present application to the specific embodiments. Obviously, many modifications and changes can be made according to the content of the present application. The present application is selected and described in detail, in order to better explain the principles and practical application of the present application, so that those skilled in the art can well understand and utilize the present application. The present application is limited by the claims and the whole scope and equivalents thereof.
Claims
1. A wiring harness clamp positioning mechanism for wiring harness injection molding, characterized by, The utility model relates to a kind of wire harness injection molding frame, including injection molding frame (5), wire harness positioning table (2) and shaping frame (11), the surface of the injection molding frame (5) is equipped with forming cavity (24), forming cavity (24) is equipped with the electricity connection tab (9) for wire harness connection inside, the electricity connection tab (9) is arranged in triangle, electricity connection tab (9) electricity end inserts the bottom end of injection molding frame (5), and the electricity connection tab (9) is sealed connection with injection molding frame (5); The electricity connection tab (9) connection end is equipped with the wire slot (8) for wire harness electricity end clamping, the forming cavity (24) is equipped with the sealing template (6) being connected with it above, one side of the injection molding frame (5) is equipped with shaping frame (11), the shaping frame (11) is connected with wire harness positioning table (2) away from the injection molding frame (5) one end, and the wire harness positioning table (2) is equipped with the clamping member for positioning wire harness on it; The shaping frame (11) is equipped with the shaping table (18) for wire harness connection end shaping inside, the shaping table (18) one side is equipped with the movable sealing table (20) being sealed with it, and the movable sealing table (20) and shaping table (18) are all sealed with the inner wall of shaping frame (11), the shaping frame (11) is equipped with injection flow guide hole (19) near the injection molding frame (5) one end, the injection flow guide hole (19) is communicated with injection molding frame (5), and is equipped with wire inlet hole (23) near wire harness positioning table (2) one end, the inboard of movable sealing table (20) and shaping table (18) is equipped with semicircular groove, and it is arranged as ladder type structure from injection flow guide hole (19) to wire inlet hole (23), and sealing clamping ring (22) is arranged in semicircular groove of movable sealing table (20) near wire inlet hole (23); The top of the shaping frame (11) is open structure, and transparent observation window (3) is mounted on the inner wall of the open structure and is sealed, and the surface of the transparent observation window (3) is set as rough surface; The clamping member includes arc-shaped wire clamping table (12) and pusher for moving the arc-shaped wire clamping table (12), one end of the inner wall of the wire harness positioning table (2) is arranged as arc-shaped structure, forming arc-shaped clamping groove (1), and the other end is arranged as arc-shaped wire clamping table (12) embedded in the inner wall, and the arc-shaped wire clamping table (12) is arranged as arc-shaped surface same as the structure of the inner wall of the wire harness near one end of the arc-shaped surface, and the other end of the arc-shaped wire clamping table (12) is connected with the pusher for moving the arc-shaped wire clamping table (12).
2. A wiring harness clamp positioning mechanism for wiring harness injection molding according to claim 1, wherein The transmission cavity (25) is arranged in the inner wall of the injection molding frame (5) below the forming cavity (24), the transmission cavity (25) is equipped with the pusher tension plate (26) being movably connected with the electricity connection tab (9), the pusher tension plate (26) is slidably connected with the inner wall of the transmission cavity (25), the pusher tension plate (26) is connected with micro electric push rod (27) installed in the transmission cavity (25), and the micro electric push rod (27) is connected with control element.
3. A wiring harness clamp positioning mechanism for wiring harness injection molding according to claim 2, wherein The control part comprises a PLC controller, a position sensor and a temperature sensor, the temperature sensor is installed on one side wall of the transmission cavity (25) close to the forming cavity (24), the position sensor is arranged on the pushing end of the micro electric push rod (27) and installed on the pushing and tensioning plate (26), and the position sensor and the temperature sensor are connected with the PLC controller.
4. A wiring harness clamp positioning mechanism for use in the injection molding of a wiring harness according to claim 2, wherein The pushing and tensioning plate (26) is provided with a connecting groove, the connecting groove is arranged in one-to-one correspondence with the electric connection sheet (9), the electric connection sheet (9) is provided with a round hole, the pushing and tensioning plate (26) is provided with a clamping rod (28), and the clamping rod (28) is inserted into the inside of the pushing and tensioning plate (26) and connected with the round hole of the electric connection sheet (9).
5. A wiring harness clamp positioning mechanism for use in the injection molding of a wiring harness according to claim 4, wherein The pushing part comprises a fixed baffle (13), a wire clamping spring (15), a movable connecting rod (16) and a pulling disc (17), the arc-shaped wire clamping table (12) is connected with the movable connecting rod (16) at the embedded end, the movable connecting rod (16) penetrates through the wire harness positioning table (2) and is connected with the pulling disc (17), the wire clamping spring (15) for pulling the movable connecting rod (16) is arranged between the pulling disc (17) and the wire harness positioning table (2), the fixed baffle (13) is fixed on the movable connecting rod (16), the wire harness positioning table (2) is provided with a guide plate hole (14) for guiding the fixed baffle (13) into the inside, and the fixed baffle (13) is slidably connected with the guide plate hole (14).
6. A wiring harness clamp positioning mechanism for use in wiring harness injection molding according to claim 1, wherein The electric connection sheet (9) is provided with a hollow structure close to the wiring groove (8), and the electric connection sheet (9) at both ends of the wiring groove (8) can be plastically deformed.
7. A wiring harness clamp positioning mechanism for use in wiring harness injection molding according to claim 1, wherein The injection molding frame (5) is provided with a connecting hole (4), the sealing template (6) is provided with a mounting hole, the mounting hole of the sealing template (6) is screwed with the connecting hole (4) through a fastening bolt (7), and the surface of the injection molding frame (5) and the bottom surface of the sealing template (6) are both smooth structures.
Citation Information
Patent Citations
Injection mold of electric wire plug
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Wire harness clamping and positioning mechanism in wire harness injection molding process
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