CN220652550U - Insert special-shaped plastic shell device - Google Patents

Abstract

The utility model provides an inserting and shaping device, which comprises: the plastic shell clamping mechanism, the first clamping piece and the second clamping piece; the plastic shell is provided with a groove and a terminal accommodating chamber which is arranged in the groove and is used for inserting a terminal, and the first clamping claw and the second clamping claw are clamped at the positions, close to the terminals, of the two wire harnesses and close the two terminals of the two wires; the third clamping claw and the fourth clamping claw are suitable for clamping the electric wire parts of the two wire harnesses and combining the two electric wires; the third clamping piece is used for initially clamping the plastic shell to be close to the terminals, so that narrow-side clamping arms of the first clamping claw and the second clamping claw enter grooves of the plastic shell, and the two terminals are pre-inserted into two terminal accommodating chambers of the plastic shell; the plastic shell is further close to the two terminals, so that the two terminals are further inserted into the two terminal accommodating chambers of the plastic shell; the special-shaped plastic shell inserting device can automatically insert terminals of two wires into two terminal accommodating chambers of the special-shaped plastic shell at the same time, and is simple in structure and high in efficiency.

Description

Insert special-shaped plastic shell device

Technical Field

The utility model relates to the field of wire harness processing, in particular to a special-shaped plastic shell inserting device.

Background

In the manufacturing of the new energy automobile wire harness, terminals are pressed at two ends of an electric wire generally, and the pressed terminals are inserted into different plastic shells, so that a connecting wire harness with the plastic shells at two ends is formed, and the electric wire is convenient to butt joint and later maintenance.

The plastic shells are various, the inlets of the hole sites of some special-shaped plastic shells are deeper, and the difficulty of inserting terminals into two terminal accommodating chambers of the plastic shells by adopting automatic equipment is greater.

In the related art, the terminals are manually inserted into the two terminal accommodating chambers of the special-shaped plastic shell, so that the efficiency is low and the labor cost is high.

Disclosure of Invention

The present utility model aims to solve at least to some extent one of the technical problems in the above-described technology. Therefore, the utility model aims to provide the device for inserting the special-shaped plastic shell, which can automatically insert two terminals into two deep terminal accommodating chambers of the special-shaped plastic shell at the same time, and has the advantages of simple structure and high efficiency.

In order to achieve the above object, the present utility model provides a special-shaped plastic shell inserting device, which comprises: the plastic shell clamping mechanism, the first clamping piece and the second clamping piece; the plastic shell is provided with two terminal accommodating chambers and two protruding parts, wherein the two protruding parts are oppositely arranged and positioned at opposite sides of the two terminal accommodating chambers so as to form a groove at the insertion end of the two terminal accommodating chambers;

the plastic shell clamping mechanism is provided with a third clamping piece which is suitable for clamping the plastic shell, and the third clamping piece can be movably arranged so that the clamped plastic shell is close to the terminal and the terminal is inserted into the terminal accommodating chamber of the plastic shell;

the first clamping piece is provided with a first clamping claw and a second clamping claw, the first clamping claw and the second clamping claw are respectively provided with a narrow-side clamping arm so as to clamp adjacent terminal positions of two wire harnesses in a one-to-one correspondence manner, the first clamping claw and the second clamping claw can be arranged in a relatively movable manner so as to close the terminals of the two wire harnesses, and in the process of pre-inserting the two terminals into the two terminal accommodating chambers, the two narrow-side clamping arms enter the grooves;

the second clamping piece is provided with a third clamping claw and a fourth clamping claw which are clamped on the electric wires of the two wire harnesses in a one-to-one correspondence mode, the third clamping claw and the fourth clamping claw can be arranged in a relatively movable mode so as to enable the two electric wires of the two wire harnesses to be combined together, and when the narrow-side clamping arm of the first clamping piece exits from the groove, the two terminals and the two terminal accommodating chambers are spliced in place.

According to the inserting and shaping device, the first clamping claw and the second clamping claw clamp the positions, close to the terminals, of the two wires and close the two terminals; the third clamping claw and the fourth clamping claw clamp the electric wire parts of the two wire harnesses to draw the two electric wires together; the plastic shell is preliminarily close to the terminals through the third clamping piece, so that narrow-side clamping arms of the first clamping claw and the second clamping claw enter grooves of the plastic shell, and the two terminals are pre-inserted into two terminal accommodating chambers of the plastic shell; after the first clamping claw and the second clamping claw are opened to release the two wire harnesses, the two terminals are further inserted into the two terminal accommodating chambers of the plastic shell through the plastic shell being further close to the two terminals; the special-shaped plastic shell inserting device can automatically insert two terminals of two wire harnesses into two terminal accommodating chambers of the special-shaped plastic shell at the same time, and is simple in structure and high in efficiency.

In addition, the special-shaped plastic shell inserting device provided by the embodiment of the utility model can also have the following additional technical characteristics:

optionally, the device further comprises two first mounting plates, the first clamping claws are arranged on one first mounting plate in a lifting mode, the third clamping claws are arranged on one first mounting plate in a movable mode, the second clamping claws are arranged on the other first mounting plate in a lifting mode, and the fourth clamping claws are arranged on the other first mounting plate in a movable mode.

Further, the device also comprises two second movable driving parts, wherein the two second movable driving parts are connected with the two first mounting plates in a one-to-one correspondence manner so as to drive the first clamping claw and the third clamping claw to be close to the second clamping claw and the fourth clamping claw.

Optionally, the device further comprises two second movable driving parts, wherein the two second movable driving parts are connected with the first clamping claw and the second clamping claw in a one-to-one correspondence manner so as to drive the first clamping claw and the second clamping claw to be far away from each other so as to avoid the plastic shell.

Optionally, the plastic housing clamping mechanism further includes a first lifting driving member, where the first lifting driving member is connected to the third clamping member to drive the plastic housing clamped by the third clamping member to approach the terminals, so that the two terminals are inserted into the two terminal accommodating chambers of the plastic housing.

Optionally, the plastic shell clamping mechanism further comprises a push plate and a baffle, the push plate is movably arranged on one side of the clamping channel of the third clamping piece, the baffle is arranged on the other side of the clamping channel of the third clamping piece, and the push plate is suitable for being abutted to one end face of the plastic shell so that the other end face of the plastic shell is abutted to the baffle.

Optionally, the wire clamping device further comprises two second lifting driving pieces, wherein the two second lifting driving pieces are connected with the third clamping claw and the fourth clamping claw in a one-to-one correspondence manner so as to drive the wires clamped by the third clamping claw and the fourth clamping claw to be far away from the third clamping piece and detect the pull-back of the inserted terminal.

Further, still include tension sensor, connecting block and slider, the connecting block set up in the removal end of first lift driving piece, the slider is connected the connecting block, the third holder sets up in the removal end of slider, tension sensor's one end is connected the third holder, the other end is connected the connecting block.

Optionally, the device further comprises a detection switch, wherein the detection switch is arranged on one side of the third clamping piece to detect whether the plastic shell in the clamping channel of the third clamping piece has the plastic shell or not.

Drawings

Fig. 1 is a schematic view of a wire harness and a molding process step according to an embodiment of the present utility model;

fig. 2 is a schematic view of a finished product of a wire harness according to an embodiment of the present utility model after being inserted into a plastic case;

fig. 3 is a schematic structural view of an insert molding device according to an embodiment of the present utility model;

fig. 4 is a schematic structural view of another view angle of the insert molding device according to the embodiment of the present utility model;

fig. 5 is an enlarged view at a of fig. 4;

fig. 6 is a schematic structural view of a plastic case clamping mechanism according to an embodiment of the present utility model;

fig. 7 is an enlarged view at B of fig. 6;

reference numerals illustrate:

the plastic shell clamping mechanism 10, a third clamping piece 101, a positioning groove 1011, a first movable driving piece 102, a push plate 103, a baffle 104, a tension sensor 105, a connecting block 106, a sliding piece 107 and a detection switch 108;

a first gripper 20, a first gripper jaw 201, a narrow side gripper arm 2011, a second gripper jaw 202;

second gripper 30, third gripper jaw 301, fourth gripper jaw 302;

a first mounting plate 40;

a first elevation driving member 50;

a second elevation driving member 60;

a second moving driver 70;

a second mounting plate 80;

and a third moving driving member 90.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In order that the above-described aspects may be better understood, exemplary embodiments of the present utility model will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present utility model are shown in the drawings, it should be understood that the present utility model may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.

In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.

The implementation of the device for inserting a shaped plastic case according to the embodiment of the present utility model will be described in detail with reference to fig. 1 to 7. The special-shaped plastic shell inserting device can insert two terminals into two terminal accommodating chambers in a plastic shell groove along the arrow direction for the wire harness shown in fig. 1 to form a finished product shown in fig. 2.

The inserting and shaping device comprises: the plastic shell clamping mechanism 10, the first clamping piece 20 and the second clamping piece 30.

Specifically, two terminal accommodating chambers and two protruding parts are arranged on the plastic shell, and the two protruding parts are oppositely arranged and positioned on opposite sides of the two terminal accommodating chambers so as to form grooves at the insertion ends of the two terminal accommodating chambers; the plastic case clamping mechanism 10 has a third clamping member 101 adapted to clamp the plastic case, the third clamping member 101 being movably disposed so that the clamped plastic case approaches the terminal to insert the terminal into the terminal accommodating chamber of the plastic case; the first clamping member 20 has a first clamping claw 201 and a second clamping claw 202, the first clamping claw 201 and the second clamping claw 202 each have a narrow-side clamping arm 2011 to clamp adjacent terminal positions of two wire harnesses in a one-to-one correspondence manner, the first clamping claw 201 and the second clamping claw 202 can be arranged in a relatively movable manner so as to close terminals of the two wire harnesses, and in the process of pre-inserting the two terminals into the two terminal accommodating chambers, the two narrow-side clamping arms 2011 enter the grooves; the second clamping member 30 has a third clamping claw 301 and a fourth clamping claw 302 which clamp the wires of the two wire harnesses in one-to-one correspondence, and the third clamping claw 301 and the fourth clamping claw 302 are provided so as to be movable relatively to bring the wires of the two wire harnesses together to insert the two terminals into place with the two terminal receiving chambers when the narrow-side clamping arm 2011 of the first clamping member 20 is withdrawn from the recess.

That is, the plastic case has a recess and two terminal receiving chambers in the recess for the two terminals to be inserted; the first clamping claw 201 and the second clamping claw 202 of the first clamping piece 20 are provided with narrow-side clamping arms 2011 which can clamp adjacent terminal positions of two wire harnesses and close the two terminals, so that the distance between the two terminals is consistent with the distance between the two terminal accommodating chambers of the plastic shell, and the third clamping claw 301 and the fourth clamping claw 302 of the second clamping piece 30 clamp the wire parts of the two wire harnesses and are close to each other to close the two wires, so that the two terminals are convenient to be further inserted into the two terminal accommodating chambers of the plastic shell; the third clamping member 101 brings the clamped plastic housing close to the terminal so that the narrow-side clamping arms 2011 of the first clamping claw 201 and the second clamping claw 202 enter the grooves of the plastic housing and the terminal is pre-inserted into the two terminal accommodating chambers of the plastic housing, and after the first clamping claw 201 and the second clamping claw 202 release the electric wire, the third clamping member 101 clamps the plastic housing further close to the terminal so that the two terminals are further inserted into the two terminal accommodating chambers of the plastic housing, thereby enabling the two terminals to be inserted into place.

Thereby, the positions of the two electric wires adjacent to the terminals are gripped by the first grip claw 201 and the second grip claw 202 and the two terminals are brought together; the two wires are brought together by clamping the wire portions of the two harnesses by the third clamping claw 301 and the fourth clamping claw 302; preliminarily holding the plastic case close to the terminals by the third holding member 101 so that the narrow-side clamping arms 2011 of the first holding claw 201 and the second holding claw 202 enter the grooves of the plastic case to thereby pre-insert the two terminals into the two terminal accommodating chambers of the plastic case; after the first grip claw 201 and the second grip claw 202 are opened to release the two wire harnesses, the two terminals are further inserted into the two terminal accommodating chambers of the plastic case by the plastic case being further close to the two terminals; the special-shaped plastic shell inserting device can automatically insert two terminals of two wire harnesses into two terminal accommodating chambers of the special-shaped plastic shell at the same time, and is simple in structure and high in efficiency.

Specifically, the device further includes two first mounting plates 40, the first clamping jaw 201 is disposed on one first mounting plate 40 in a liftable manner, the third clamping jaw 301 is disposed on one first mounting plate 40 in a movable manner, the second clamping jaw 202 is disposed on the other first mounting plate 40 in a liftable manner, and the fourth clamping jaw 302 is disposed on the other first mounting plate 40 in a movable manner.

It will be appreciated that by providing the first mounting plate 40, the integration of the first clamping jaw 201 and the third clamping jaw 301 is facilitated, and the integration of the second clamping jaw 202 and the fourth clamping jaw 302 is facilitated, so that the first clamping jaw 201, the third clamping jaw 301 and the second clamping jaw 202, the fourth clamping jaw 302 form a symmetrical structure to draw together two wires. Wherein the first clamping jaw 201, the second clamping jaw 202, the third clamping jaw 301 and the fourth clamping jaw 302 can clamp the electric wire by driving the opening and closing actions through the air cylinders.

Further, two first lift drivers 50 are further included, and the two first lift drivers 50 are connected to the two first mounting plates 40 in a one-to-one correspondence to drive the first clamping jaw 201 and the third clamping jaw 301 to approach the second clamping jaw 202 and the fourth clamping jaw 302.

As can be appreciated, the first mounting plate 40 is driven to move up and down by the first elevating driving member 50 so that one first mounting plate 40 and the other first mounting plate 40 can be moved close to each other, thereby moving the first holding claw 201, the third holding claw 301, the second holding claw 202, and the fourth holding claw 302 close to each other, facilitating the bringing together of the two terminals. The first lifting driving member 50 may be a cylinder driving moving pair structure.

Further, two second lifting driving members 60 are further included, and the two second lifting driving members 60 are connected with the first clamping jaw 201 and the second clamping jaw 202 in a one-to-one correspondence manner so as to drive the first clamping jaw 201 and the second clamping jaw to be away from each other so as to avoid the plastic shell.

As can be appreciated, since the terminal is inserted into the plastic housing in a two-stage insertion manner, the first clamping jaw 201 and the second clamping jaw 202 are opened and release the two wires after the terminal is initially inserted into the two terminal receiving chambers of the plastic housing, and then the first clamping jaw 201 and the second clamping jaw 202 are driven by the second lifting driving member 60 to be far away from each other so as to avoid the plastic housing, so that the plastic housing is convenient to be further close to the terminal, and the two terminals are further inserted into the two terminal receiving chambers of the plastic housing. The second lifting driving member 60 may be a cylinder driving moving pair structure, and the first clamping jaw 201 and the second clamping jaw 202 may adjust the open air pressure through the pressure adjusting gauge, so that the first clamping jaw 201 and the second clamping jaw 202 may be conveniently pulled out from the groove of the plastic housing.

The plastic housing holding mechanism 10 further includes a first moving driving member 102, where the first moving driving member 102 is connected to the third holding member 101 to drive the plastic housing held by the third holding member 101 to approach the terminals so that the terminals are inserted into two terminal receiving chambers of the plastic housing.

As can be appreciated, the first moving driver 102 drives the third clamping member 101 to move so as to drive the plastic shell to approach the terminals, so that the two terminals are pre-inserted into the two terminal accommodating chambers of the plastic shell, and then the first moving driver 102 further approaches the two terminals, so that the two terminals are inserted in place; wherein, the first movable driving member 102 may be a motor-driven sliding module structure, so as to precisely control the displacement distance of the plastic shell.

The plastic shell clamping mechanism 10 further comprises a push plate 103 and a baffle plate 104, wherein the push plate 103 is movably arranged on one side of the clamping channel of the third clamping piece 101, the baffle plate 104 is arranged on the other side of the clamping channel of the third clamping piece 101, and the push plate 103 is suitable for being abutted against one end face of the plastic shell to enable the other end face of the plastic shell to be abutted against the baffle plate 104.

As can be appreciated, the push plate 103 is abutted against the upper end of the plastic shell, so that the lower end of the plastic shell is abutted against the baffle 104, thereby holding the plastic shell from the front-rear direction, and the plastic shell is clamped from two sides of the plastic shell by matching with the third clamping piece 101, so that the plastic shell is ensured to be in a correct position, and two terminals are conveniently and accurately inserted into two terminal accommodating chambers of the plastic shell; the push plate 103 can drive the telescopic movement through the air cylinder to abut against one end face of the plastic shell, and the number of the baffles 104 can be two to respectively support two sides of the other end face of the plastic shell.

In addition, the third clamping member 101 further includes a positioning slot 1011, and the protruding portion of the side surface of the plastic housing can be clamped into the positioning slot 1011, so that the plastic housing is limited, and two terminals can be accurately inserted into two terminal accommodating chambers of the plastic housing.

Further, two second moving drivers 70 are further included, and the two second moving drivers 70 connect the third clamping jaw 301 and the fourth clamping jaw 302 in one-to-one correspondence to drive the electric wires clamped by the third clamping jaw 301 and the fourth clamping jaw 302 away from the third clamping member 101, respectively, for pull-back detection of the inserted terminal.

As can be appreciated, after the two terminal two-stage is inserted into the two terminal receiving chambers of the plastic case, in order to detect whether the two terminals are inserted in place, the third clamping jaw 301 and the fourth clamping jaw 302 are respectively driven away from the plastic case clamped by the third clamping member 101 by the two second moving drivers 70, so that the electric wires correspondingly clamped by the third clamping jaw 301 and the fourth clamping jaw 302 are pulled back in the opposite direction of the terminal insertion to detect whether the two terminals are inserted in place, thereby checking the reliability of the terminal insertion. Wherein the second moving driver 70 may be a cylinder driving moving pair structure.

Further, the device further comprises a tension sensor 105, a connecting block 106 and a sliding piece 107, wherein the connecting block 106 is arranged at the moving end of the first moving driving piece 102, the sliding piece 107 is connected with the connecting block 106, the third clamping piece 101 is arranged at the moving end of the sliding piece 107, one end of the tension sensor 105 is connected with the third clamping piece 101, and the other end of the tension sensor 105 is connected with the connecting block 106.

As can be appreciated, the pull force when the pull-back force is detected by the pull force sensor 105 in cooperation with the second moving driving member 70, when the pull force is smaller than the set value, the terminal is judged not to be inserted in place, and the third clamping member 101 connected with one end of the pull force sensor 105 and the connecting block 106 are made slidable by cooperation of the connecting block 106 and the sliding member 107, so that the force is transmitted to the pull force sensor 105 through the third clamping member 101, and the detection precision of the pull force sensor 105 is ensured. Wherein the slider 107 may be a sliding pair structure.

Further, the device further comprises a detection switch 108, wherein the detection switch 108 is arranged on one side of the third clamping piece 101 to detect whether a plastic shell exists in the clamping channel of the third clamping piece 101.

It can be understood that the detection switch 108 detects whether the positioning slot 1011 of the third clamping member 101 has a molded case, so as to ensure that the molded case is in a correct working position, thereby ensuring the success rate of inserting the terminal into the terminal accommodating chamber of the molded case.

In addition, the wire harness clamping device further comprises a third movable driving piece 90 and a second mounting plate 80, wherein the two first mounting plates 40 are arranged on the second mounting plate 80, and the third movable driving piece 90 is connected with the second mounting plate 80 to drive the second mounting plate 80 to move so that the wire harness clamped by the first clamping piece 20 and the second clamping piece 30 is transferred to a station where the plastic shell clamping mechanism 10 is located.

As can be appreciated, the second mounting plate 80 is driven to move in the horizontal direction by the third moving driving member 90, so that the wire bundles clamped by the first clamping member 20 and the second clamping member 30 on the first mounting plate 40 are aligned in the horizontal direction with the station where the plastic housing clamping mechanism 10 is located, so that the two terminals of the two wire bundles clamped by the second clamping member 20 and the third clamping member 30 are aligned with the two terminal accommodating chambers of the plastic housing clamped by the third clamping member 101, and the two terminals are ensured to be inserted into the two terminal accommodating chambers of the plastic housing. Wherein the third moving driver 90 may be a motor-driven moving pair structure.

For a better understanding of the present embodiment, the workflow in connection with the present embodiment is further described: (1) the third moving driving member 90 drives the first clamping member 20 and the second clamping member 30 to receive two wire harnesses from the previous process and then transfer the two wire harnesses to the station where the plastic housing clamping mechanism 10 is located; (2) a first elevation driving member 50 drives the first holding claw 201 and the second holding claw 202 to approach each other while the other first elevation driving member 50 drives the third holding claw 301 and the fourth holding claw 302 to approach each other, so that both terminals of both wire harnesses are brought together; (3) the first moving driving piece 102 drives the plastic shell clamped by the third clamping piece 101 to be close to two terminals of two wire harnesses, so that the two terminals are pre-inserted into two terminal accommodating chambers of the plastic shell; (4) the first clamping jaw 201 and the second clamping jaw 202 are opened to release two wire harnesses, and the second lifting drive piece 60 drives the first clamping jaw 201 and the second clamping jaw 202 to be far away from the groove of the plastic shell; (5) the first moving driving piece 102 drives the plastic shell on the third clamping piece 101 to be further close to the two terminals, so that the two terminals are further inserted into the two terminal accommodating chambers of the plastic shell; (6) the two second moving drivers 70 respectively drive the third holding claw 301 and the fourth holding claw 302 to move in the opposite direction of the terminal insertion to perform pullback detection of the two inserted terminals.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms should not be understood as necessarily being directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Further, one skilled in the art can engage and combine the different embodiments or examples described in this specification.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims (9)

1. Insert dysmorphism moulded case device, its characterized in that includes: the plastic shell clamping mechanism, the first clamping piece and the second clamping piece; the plastic shell is provided with two terminal accommodating chambers and two protruding parts, wherein the two protruding parts are oppositely arranged and positioned at opposite sides of the two terminal accommodating chambers so as to form a groove at the insertion end of the two terminal accommodating chambers;

the plastic shell clamping mechanism is provided with a third clamping piece which is suitable for clamping the plastic shell, and the third clamping piece can be movably arranged so that the clamped plastic shell is close to the terminal and the terminal is inserted into the terminal accommodating chamber of the plastic shell;

the first clamping piece is provided with a first clamping claw and a second clamping claw, the first clamping claw and the second clamping claw are respectively provided with a narrow-side clamping arm so as to clamp adjacent terminal positions of two wire harnesses in a one-to-one correspondence manner, the first clamping claw and the second clamping claw can be arranged in a relatively movable manner so as to close the terminals of the two wire harnesses, and in the process of pre-inserting the two terminals into the two terminal accommodating chambers, the two narrow-side clamping arms enter the grooves;

the second clamping piece is provided with a third clamping claw and a fourth clamping claw which are clamped on the electric wires of the two wire harnesses in a one-to-one correspondence mode, the third clamping claw and the fourth clamping claw can be arranged in a relatively movable mode so as to enable the two electric wires of the two wire harnesses to be combined together, and when the narrow-side clamping arm of the first clamping piece exits from the groove, the two terminals and the two terminal accommodating chambers are spliced in place.

2. The molded case device of claim 1, further comprising two first mounting plates, wherein the first clamping jaw is disposed on one of the first mounting plates in a liftable manner, the third clamping jaw is disposed on one of the first mounting plates in a movable manner, the second clamping jaw is disposed on the other of the first mounting plates in a liftable manner, and the fourth clamping jaw is disposed on the other of the first mounting plates in a movable manner.

3. The shaped plastic case inserting device according to claim 2, further comprising two first lifting driving members, wherein the two first lifting driving members are connected to the two first mounting plates in a one-to-one correspondence to drive the first holding claw and the third holding claw to approach the second holding claw and the fourth holding claw.

4. The molded case insertion device according to claim 1, further comprising two second elevating driving members, wherein the two second elevating driving members connect the first holding claws and the second holding claws in one-to-one correspondence to drive the first holding claws and the second holding claws away from each other to avoid the molded case.

5. The molded case device of claim 1, wherein the molded case holding mechanism further comprises a first moving driving member connected to the third holding member to drive the molded case held by the third holding member to approach the terminals so that the two terminals are inserted into the two terminal receiving chambers of the molded case.

6. The molded case insertion device according to claim 1, wherein the molded case holding mechanism further comprises a push plate and a baffle plate, the push plate is movably disposed on one side of the holding channel of the third holding member, the baffle plate is disposed on the other side of the holding channel of the third holding member, and the push plate is adapted to abut against one end face of the molded case and the other end face of the molded case abuts against the baffle plate.

7. The molding apparatus of claim 1, further comprising two second moving drivers, wherein the two second moving drivers connect the third clamping jaw and the fourth clamping jaw in a one-to-one correspondence to drive the wire clamped by the third clamping jaw and the fourth clamping jaw away from the third clamping member for pullback detection of the inserted terminal.

8. The device for inserting a molded case according to claim 5, further comprising a tension sensor, a connecting block and a sliding member, wherein the connecting block is disposed at a moving end of the first moving driving member, the sliding member is connected to the connecting block, the third clamping member is disposed at a moving end of the sliding member, one end of the tension sensor is connected to the third clamping member, and the other end is connected to the connecting block.

9. The molded case insertion device of claim 1, further comprising a detection switch adapted to detect whether a molded case is present in the clamping channel of the third clamping member.