A method for integrally forming a branch harness sheath

Abstract

The application discloses a branched wire harness sheath integrated forming processing method, and relates to the technical field of wire harness processing, which comprises the following steps: S1, a wire harness forming die is made according to wire harness outer diameter requirements, a connector potting die is made according to the connector and cable combination structure, and a branch die is made according to the shape and diameter of the branched wire harness; S2, the connector is installed in the connector potting die, cold forming glue liquid is poured and filled, and the connector end is formed; S3, the wire harness is installed on the wire harness forming die, cold forming glue liquid is poured and filled, and the wire harness is formed; and S4, each branched wire harness is installed on the branch die, cold forming glue liquid is poured and filled, and the branched wire harness is formed. The branched wire harness sheath integrated forming processing method can reliably, conveniently and with excellent processing quality realize normal-temperature integrated forming of the wire harness sheath, meets the waterproof and air-tight performance of the wire harness, and can also consider all types of branched cable products. The branched wire harness sheath processing method avoids the defects in the existing technology, such as the sleeve heat shrinkage type and the heating vulcanization type.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of harness processing, in particular to a branched harness sheath integrated forming processing method. BACKGROUND

[0002] There are mainly two methods for processing branched harness sheaths at present:

[0003] 1. Heat-shrinkable sleeve type: heat-shrinkable sleeves are used to install the main stems of the harnesses, and mold-shrinkable sleeves are used to seal the harness branches and connectors. The disadvantages of this method are: the harnesses are formed by heat-shrinking the heat-shrinkable sleeves and the mold-shrinkable sleeves, the roundness of the harnesses is poor, the junctions of the mold-shrinkable sleeves and the heat-shrinkable sleeves are prone to cracking, the specifications of the branch mold-shrinkable sleeves are limited, and defects cannot be repaired.

[0004] 2. Heating vulcanization type: the overall cavity of the harness is processed in the mold, raw rubber is filled in the cavity in advance, the harness is embedded in the cavity and the mold is closed, and the mold is installed in a flat vulcanization machine to vulcanize the raw rubber for a sufficient time. The disadvantages of this method are: it is only suitable for small and short branched harnesses, and cannot be used for harnesses with long branches, large diameters and poor temperature resistance, and defects cannot be repaired. SUMMARY

[0005] The present application aims to provide a branched harness sheath integrated forming processing method, which solves the problems of the heat-shrinkable sleeve type branched harness sheath processing method in the prior art, such as poor roundness of the harnesses, cracking of the junctions of the mold-shrinkable sleeves and the heat-shrinkable sleeves, and limited specifications of the branch mold-shrinkable sleeves, and the problems of the heating vulcanization type branched harness sheath processing method, such as being only suitable for small and short branched harnesses, and being unable to be used for harnesses with long branches, large diameters and poor temperature resistance.

[0006] The present application solves the above problems by the following technical solutions:

[0007] A branched harness sheath integrated forming processing method, comprising:

[0008] Step S1: making a harness forming mold according to the outer diameter requirements of the harness, making a connector potting mold according to the connector and cable combination structure, and making a branch mold according to the shape and diameter of the branched harness;

[0009] Step S2: installing the connector in the connector potting mold, potting the cold-formed glue liquid, and forming the connector end;

[0010] Step S3: installing the harness on the harness forming mold, potting the cold-formed glue liquid, and forming the harness;

[0011] Step S4: installing each branched harness in the branch mold and potting the cold-formed glue liquid to form the branched harness.

[0012] Further, the connector potting mold comprises a first upper die and a first lower die for die closing, and the first upper die and the first lower die are both matched with a potting cavity, a first positioning column for positioning the first upper die and the first lower die, a first die opening groove and a first exhaust groove.

[0013] Further, the step S2 specifically comprises: installing the connector in the connector potting mold and closing the mold, potting the cold-forming glue liquid from the first glue injection hole until the glue liquid overflows from the first overflow hole or the glue liquid is visible, standing at room temperature, and taking out the obtained connector potting forming body from the connector potting mold after the glue liquid is solidified.

[0014] Further, the wire harness forming mold comprises:

[0015] Two half-ring pipes are clamped with each other; the two half-ring pipes enclose a tubular cavity, and the diameter of the tubular cavity matches the outer diameter of the wire harness sheath; two screw holes are symmetrically arranged on the two half-ring pipes, and a centering structure is installed in the screw holes, the centering structure comprises a half-ring clamping structure and a push screw, the half-ring clamping structure is located on the inner side of the half-ring pipe, and one end of the push screw is located on the outer side of the half-ring pipe, and the other end penetrates the inner side of the half-ring pipe and is connected with the half-ring clamping structure.

[0016] Further, the step S3 specifically comprises:

[0017] The wire harness is installed in the wire harness forming mold and the mold is closed, the centering structure is installed away from the connector end, and the wire harness formed at the connector end enters the tubular cavity;

[0018] The wire harness forming mold with the wire harness is vertically fixed on the support, the connector end faces downward, and the half-ring pipe is fixed by using buckles;

[0019] The wire harness is slightly stretched to make the wire harness vertical in the tubular cavity, the push screw is rotated, and the half-ring clamping structure is clamped to complete the centering by the push screw;

[0020] The cold-forming glue liquid is injected into the wire harness forming mold from the tubular cavity until the liquid surface approaches the centering structure, the mold is left to stand at room temperature, and the wire harness forming mold is taken off after the glue liquid is solidified and formed;

[0021] The buckles are removed, the half-ring pipe is opened, and the wire harness potting forming body is obtained.

[0022] Further, when the branch wire harness is more or the wire harness is too long to be completed, the step S3 is repeated until all the wire harnesses are formed.

[0023] Further, the branch mold comprises a second upper mold and a second lower mold, and the second upper mold and the second lower mold are both matched with a branch cavity, a second exhaust groove communicated with the branch cavity, a second mold stripping groove for stripping the mold, and a second positioning column for positioning the second upper mold and the second lower mold, and the second upper mold is further provided with a second overflow hole and a second glue injection hole communicated with the branch cavity.

[0024] Further, the step S4 specifically comprises:

[0025] The branch wire harness and the partial wire harness are installed in the combined branch cavity after the second upper mold and the second lower mold are combined, so that the wire harness potting forming body is filled in the wire outlet holes at both ends of the combined branch cavity, and the second upper mold and the second lower mold are combined through the second positioning column.

[0026] The installed branch mold is placed horizontally, the second glue injection hole faces upward, the cold forming glue liquid is injected into the combined branch cavity from the second glue injection hole, the combined branch cavity is filled, and the glue liquid overflows from the second overflow hole or the glue liquid can be seen until the glue liquid solidification time is reached; the second upper mold and the second lower mold are separated by knocking the second mold stripping groove with a tool, and the branch potting forming body is obtained.

[0027] The above steps are repeated until all branch wire harnesses are potted.

[0028] Further, a joint mold is further provided for cutting defects from the formed wire harness according to the outer diameter requirement of the wire harness, and the joint mold comprises a third upper mold and a third lower mold, and the third upper mold and the third lower mold are both matched with a joint cavity, a third exhaust groove communicated with the joint cavity, a third mold stripping groove for stripping the mold, and a third positioning column for positioning the third upper mold and the third lower mold, and the third upper mold is further provided with a third overflow hole and a third glue injection hole communicated with the joint cavity.

[0029] Further, the method for cutting defects from the formed wire harness specifically comprises:

[0030] The defect part of the formed wire harness is cut off, an annular gap is leaked, the gap is placed in the middle of the third lower mold (51), the joint cavity is filled with the partial wire harness potting forming body at both ends, and the third upper mold and the third lower mold are combined.

[0031] The installed joint mold is placed horizontally, the third glue injection hole faces upward, the cold forming glue liquid is injected into the combined joint cavity after the third upper mold and the third lower mold are combined from the third glue injection hole, the combined joint cavity is filled, and the glue liquid overflows from the third overflow hole or the glue liquid can be seen until the glue liquid solidification time is reached; the third upper mold and the third lower mold are separated by knocking the third mold stripping groove with a tool, and the joint wire harness is taken out of the joint mold.

[0032] Compared with the prior art, the present application has the following advantages and beneficial effects:

[0033] (1) The present application provides a branched wire harness sheath integrated forming processing method, which can reliably, conveniently and with excellent processing quality realize wire harness sheath normal temperature integrated forming, meet wire harness waterproof, air tightness performance, and at the same time can take into account all types of branch cable products. Avoid the defects existing in the sleeve heat shrinkage type and heating vulcanization type method in the prior art branched wire harness sheath processing method.

[0034] (2) The present application uses connector potting mold, wire harness forming mold, branch mold and joint mold to pot solidified glue liquid normal temperature forming to achieve sheath integrated forming, waterproof, air tightness and wear resistance and other characteristics.

[0035] (3) The present application uses normal temperature solidification potting glue to realize wire harness sheath integrated forming, which can achieve excellent waterproof and sealing performance.

[0036] (4) The present application can be compatible with the forming processing of all types of wire harness sheath, and the forming mold is designed and processed according to the actual size of the wire harness.

[0037] (5) The present application can freely select the type and hardness of the potting glue liquid according to the actual situation of the product, and meet the requirements of wire harness in different environments.

[0038] (6) The present application can perform repair operation on the defect site, which is simple to operate and saves cost. BRIEF DESCRIPTION OF DRAWINGS

[0039] Figure 1 It is a schematic diagram of the overall structure of the wire harness of the present application;

[0040] Figure 2 It is Figure 1 a schematic diagram of the structure before the unformed sheath;

[0041] Figure 3 It is a schematic diagram of the structure of the connector potting mold, wherein (a) is a schematic diagram of the first upper mold and the first lower mold of the connector potting mold, and (b) is a sectional view of the first lower mold of the connector potting mold;

[0042] Figure 4 It is a schematic diagram of the connector potting mold installed with the connector;

[0043] Figure 5 It is a schematic diagram of the connector potting mold potting the connector;

[0044] Figure 6 It is a schematic diagram of the structure of the wire harness forming mold, wherein (a) is a front view of the wire harness forming mold, and (b) is a right view of the wire harness forming mold;

[0045] Figure 7 Fig. 1 is a schematic view of a harness mounting harness forming die, wherein (a) is a front view of the harness mounting harness forming die, and (b) is a left view of the harness mounting harness forming die;

[0046] Figure 8 Fig. 2 is a schematic view of the harness forming die clamping and pouring the harness;

[0047] Figure 9 Fig. 3 is a schematic view of a branch die, wherein (a) is a schematic view of a second lower die; (b) is a schematic view of a second upper die and the second lower die being closed; (c) is a rear view of (b); and (d) is a schematic view of the second upper die;

[0048] Figure 10 Fig. 4 is a schematic view of the branch die mounting a branch harness;

[0049] Figure 11 Fig. 5 is a schematic view of a joint die, wherein (a) is a sectional view of a third lower die in the joint die; (b) is a schematic view of a third upper die and the third lower die being closed in the joint die; and (c) is a schematic view of the third upper die;

[0050] Figure 12 Fig. 6 is a schematic view of the joint die mounting a joint harness;

[0051] Reference signs:

[0052] 1 - harness as a whole; 11 - connector; 12 - harness half-finished product without a sheath; 121 - wire; 122 - wave-proof sleeve; 13 - connector pouring forming body; 14 - harness pouring forming body; 15 - branch pouring forming body;

[0053] 2 - connector pouring die; 21 - first upper die; 22 - first lower die; 221 - pouring cavity; 222 - first overflow hole; 223 - first positioning column; 224 - first stripping groove; 225 - first exhaust groove; 226 - first glue injection hole;

[0054] 3 - harness forming die; 31 - half-ring pipe; 32 - centering structure; 321 - half-ring clamping structure; 322 - pushing screw;

[0055] 4 - branch die; 41 - second lower die; 411 - branch cavity; 412 - second exhaust groove; 413 - second stripping groove; 414 - second positioning column; 42 - second upper die; 421 - second overflow hole; 422 - second glue injection hole;

[0056] 5 - joint mold; 51 - third lower mold; 511 - joint cavity; 512 - third exhaust groove; 513 - third mold stripping groove; 514 - third positioning column; 52 - third upper mold; 521 - third overflow hole; 522 - third glue injection hole. DETAILED DESCRIPTION

[0057] The application will be further described in detail below with reference to the examples, but the embodiments of the application are not limited thereto.

[0058] Example 1

[0059] A branched wire harness sheath integrated forming processing method, comprising:

[0060] Step S1, a wire harness forming mold 3 is made according to the wire harness outer diameter requirement, a connector potting mold 2 is made according to the connector 11 and cable combination structure, and a branch mold 4 is made according to the shape and diameter of the branch wire harness;

[0061] Step S2, the connector 11 is installed in the connector potting mold 2, and cold forming glue liquid is poured to form the connector end;

[0062] Step S3, the wire harness is installed on the wire harness forming mold 3, and cold forming glue liquid is poured to form the wire harness;

[0063] Step S4, each branch wire harness is installed in the branch mold 4, and cold forming glue liquid is poured to form the branch wire harness.

[0064] The structure of the wire harness before the sheath is formed is shown in Figure 2 The connector 11 and the sheathless semi-finished wire harness 12 (including wires 121 and wave-proof sleeves 122) are first installed in the connector potting mold 2, cold forming glue liquid is poured, the connector end is preferentially formed, and the connector potting forming body 13 is obtained. Then the wire harness is installed on the wire harness forming mold 3, cold forming glue liquid is poured, and the wire harness is formed to obtain the wire harness potting forming body 14. Finally, the branch wire harness is installed in the branch mold 4, and cold forming glue liquid is poured to form the branch wire harness, and the whole wire harness 1 is obtained, as shown in Figure 1 This method can ensure the integrated forming of the branched wire harness sheath, and achieve the purposes of waterproofing and air tightness.

[0065] Example 2

[0066] On the basis of example 1, in combination with Figure 3As shown, the connector potting mold 2 comprises a first upper die 21 and a first lower die 22 for clamping, and the first upper die 21 and the first lower die 22 are partially structured and matched, and the combined potting cavity formed after clamping matches the required connector size and the wire harness outer diameter size, and the same part is taken as an example of the first lower die 22, the first lower die 22 is provided with a potting cavity 221, a first positioning column 223 for positioning the first upper die 21 and the first lower die 22, a first mold opening groove 224 for prying open the mold, and a first exhaust groove 225, and the potting cavity 221 is communicated with the first exhaust groove 225 away from the side of the first upper die 21, and the difference is that the first lower die 22 is also provided with a first overflow hole 222 and a first glue injection hole 226 communicated with the combined potting cavity.

[0067] The first upper die 21 and the first lower die 22 can also be one positioned column and the other positioned hole.

[0068] Further, as shown in Figure 3 , Figure 4 and Figure 5 , the step S2 specifically comprises: installing the connector 11 in the connector potting mold 2 and clamping, potting the cold forming glue liquid from the first glue injection hole 226, until the glue liquid overflows from the first overflow hole 222 or the glue liquid is visible, standing at room temperature, and taking out the obtained connector potting forming body 13 from the connector potting mold 2 after the glue liquid is solidified.

[0069] Example 3:

[0070] Based on example 1, combined with Figure 6 As shown, the wire harness forming mold 3 comprises:

[0071] Two half ring pipes 31 are clamped with each other; the two half ring pipes 31 surround a tubular cavity, and the diameter of the tubular cavity matches the outer diameter of the wire harness sheath; two symmetrically arranged threaded holes are arranged on the two half ring pipes 31, and a centering structure 32 is installed in the threaded holes, the centering structure 32 comprises a half ring clamping structure 321 and a push screw 322, the half ring clamping structure 321 is located on the inner side of the half ring pipe 31, one end of the push screw 322 is located on the outer side of the half ring pipe 31, and the other end penetrates the inner side of the half ring pipe 31 and is connected with the half ring clamping structure 321. The centering structure 32 is a spiral structure, and the two groups of screws drag the top half ring clamping structure 321 to clamp the wire harness, preventing the wire harness from being off-center during forming.

[0072] Further, as shown in Figure 6 , Figure 7 and Figure 8 , the step S3 specifically comprises:

[0073] The wire harness is installed in the wire harness forming die 3 and the mold is closed, the centering structure 32 is installed away from the connector end, and the wire harness shaped at the connector end enters the tubular cavity;

[0074] The wire harness forming die 3 is fixed vertically on the bracket with the wire harness, the connector end faces downward, and the half-ring pipe 31 is fixed using buckles;

[0075] The wire harness is slightly stretched to make it vertical in the tubular cavity, the rotating push screw 322 is rotated, and the half-ring clamping structure 321 is clamped to complete the centering of the wire harness;

[0076] The cold forming glue solution is injected into the wire harness forming die 3 from the tubular cavity using a syringe or a glue injection machine until the liquid surface approaches the centering structure 32, and the wire harness forming die 3 is removed after the glue solution is cured at room temperature;

[0077] The buckles are removed, the half-ring pipe 31 is opened, and the wire harness potting formed body 14 is obtained.

[0078] Preferably, the half-ring pipe 31 is made of metal or high-strength non-metal.

[0079] Further, when there are many branch wire harnesses or the wire harness is too long to be formed at one time, the step S3 is repeated until all the wire harnesses are formed.

[0080] Example 4:

[0081] Based on example 1, combined with Figure 9 As shown in FIG. 5, the branch die 4 includes a second upper die 42 and a second lower die 41, and the second upper die 42 and the second lower die 41 are partially matched. Taking the second lower die 41 as an example, the second lower die 41 is provided with a branch cavity 411, a second exhaust groove 412 communicating with the branch cavity 411, a second mold opening groove 413 for prying open the mold, and a second positioning column 414 for positioning the second upper die 42 and the second lower die 41. The combined branch cavity after the second upper die 42 and the second lower die 41 are closed matches the required shape and outer diameter size of the branch wire harness. The difference between the two is that the second upper die 42 is also provided with a second overflow hole 421 and a second glue injection hole 422 communicating with the branch cavity 411.

[0082] One of the second upper die 42 and the second lower die 41 can be provided as a positioning column and the other as a positioning hole.

[0083] Further, combined with Figure 9 and Figure 10 As shown in FIG. 5, the step S4 specifically includes:

[0084] The branch line bundle and part of the line bundle potting molding body 14 is installed in the branch cavity 411 of the second lower mold 41, ensuring that the line bundle potting molding body 14 fills the wire outlet holes at both ends of the branch cavity 411, and the second upper mold 42 is clamped with the second lower mold 41 through the second positioning column 414;

[0085] The installed branch mold 4 is placed flat, the second glue injection hole 422 faces up, and the syringe or glue injection machine is used to inject the cold forming glue liquid into the combined branch cavity obtained after the second upper mold 42 and the second lower mold 41 are clamped, to fill the combined branch cavity until the second overflow hole 421 has glue overflow or visible glue; after standing at room temperature for a certain period of time, the glue solidification time is reached, the second demolding groove 413 is knocked with a tool to separate the second upper mold 42 and the second lower mold 41, and the branch potting molding body 15 is obtained;

[0086] Repeat the above steps until all branch line bundles are potted.

[0087] Example 4:

[0088] Based on example 1, combined with Figure 11 As shown in FIG. 5, the method further comprises manufacturing a joint mold 5 according to the required wire bundle outer diameter, and the joint mold 5 is used for defect cutting of the molded wire bundle; the joint mold comprises a third upper mold 52 and a third lower mold 51, and the third upper mold 52 and the third lower mold 51 are partially matched; for the same part, taking the third lower mold 51 as an example, the third lower mold 51 is provided with a joint cavity 511, a third exhaust groove 512 communicating with the joint cavity 511, a third demolding groove 513 for prying open the mold, and a third positioning column 514 for positioning the third upper mold 52 and the third lower mold 51; the difference is that the third upper mold 52 is provided with a third overflow hole 521 and a third glue injection hole 522 communicating with the joint cavity 511. The combined joint cavity obtained after the third upper mold 52 and the third lower mold 51 are clamped matches the required wire bundle outer diameter size, and the inner diameter is the required wire bundle outer diameter.

[0089] The third upper mold 52 and the third lower mold 51 can also be one provided with a positioning column and the other provided with a positioning hole.

[0090] Further, combined with Figure 11 and Figure 12 As shown in FIG. 5, the method for defect cutting of the molded wire bundle is specifically:

[0091] Check the appearance of the wire bundle, cut the defective part, and leak the annular gap; place the gap in the middle of the third lower mold 51 to ensure that the joint cavity 511 at both ends is filled with part of the line bundle potting molding body 14, and clamp the third upper mold 52 and the third lower mold 51;

[0092] Place the installed connecting mold 5 horizontally, with the third glue injection hole 522 facing upwards. Fill the combined connecting cavity with cold-forming glue liquid from the third glue injection hole 522 until the third overflow hole 521 overflows with glue liquid or the glue liquid can be seen. Allow the glue liquid to solidify at room temperature, knock the third demolding groove 513 with a tool to separate the third upper mold 52 and the third lower mold 51, and take out the connecting wire harness from the connecting mold 5.

[0093] The cold-forming glue liquid used can be single-component or multi-component potting glue such as liquid silicon-based potting glue, polyurethane potting glue, and epoxy glue.

[0094] In the present application: 1) a potting mold is used to define the required cavity, and a molding glue liquid is used to fill the cavity and solidify to form the required shape. 2) The integrality, completeness, and sealing of the glue liquid molding ensure the overall requirements of the wire harness. 3) Different molding hardness potting glue liquids can be selected according to requirements to achieve the required softness. 4) The mold cavity can be customized according to the shape of the wire harness, and is suitable for various types of external shape design requirements, with high flexibility.

[0095] Although the present application has been described with reference to the explanatory embodiments thereof, the above-described embodiments are merely preferred embodiments of the present application, and the embodiments of the present application are not limited to the above-described embodiments. It should be understood by those skilled in the art that many other modifications and embodiments can be designed, and these modifications and embodiments will fall within the scope and spirit of the principles disclosed in the present application.

Claims

1. A method for integrally molding a branch wire harness sheath, characterized in that, include: Step S1: Make a wire harness forming mold according to the outer diameter requirements of the wire harness; make a connector potting mold according to the connector and cable connection structure; and make a branch mold according to the shape and diameter of the branch wire harness. Step S2: Install the connector in the connector potting mold, pot with cold forming adhesive, and shape the connector end; Step S3: Install the wire harness onto the wire harness forming mold, fill with cold forming adhesive, and form the wire harness; Step S4: Install each branch wire harness into the branch mold and fill it with cold forming adhesive to form the branch wire harness; The connector potting mold includes a first upper mold and a first lower mold for mold closing. The first upper mold and the first lower mold are each provided with a potting cavity, a first positioning post for positioning the first upper mold and the first lower mold, a first mold opening groove and a first venting groove for prying open the mold. The first lower mold also includes a first injection hole and a first overflow hole that communicate with the potting cavity. The wire harness forming mold includes: Two interlocking semi-circular tubes; the two semi-circular tubes form a tubular cavity, the diameter of which matches the outer diameter of the wire harness sheath; Two semi-ring tubes are symmetrically provided with threaded holes, and a centering structure is installed in the threaded holes. The centering structure includes a semi-ring clamping structure and a push screw. The semi-ring clamping structure is located inside the semi-ring tube, and one end of the push screw is located outside the semi-ring tube, while the other end passes through the inside of the semi-ring tube and is connected to the semi-ring clamping structure. The branch mold includes a second upper mold and a second lower mold. Both the second upper mold and the second lower mold are provided with a branch cavity, a second venting groove communicating with the branch cavity, a second mold-opening groove for prying open the mold, and a second positioning post for positioning the second upper mold and the second lower mold. The second upper mold is also provided with a second overflow hole and a second injection hole communicating with the branch cavity. It also includes the fabrication of a splicing mold according to the outer diameter requirements of the wire harness. The splicing mold is used to remove defects from the formed wire harness. The splicing mold includes a third upper mold and a third lower mold. The third upper mold and the third lower mold are each matched with a splicing cavity, a third venting groove communicating with the splicing cavity, a third mold-opening groove for prying open the mold, and a third positioning post for positioning the third upper mold and the third lower mold. The third upper mold is also provided with a third overflow hole and a third glue injection hole communicating with the splicing cavity.

2. The method for integral molding of branch wire harness sheaths according to claim 1, characterized in that, Step S2 specifically includes: installing the connector in the connector potting mold and closing the mold; pouring cold forming adhesive into the first injection hole until the adhesive overflows from the first overflow hole or the adhesive is visible; letting it stand at room temperature; and removing the obtained connector potting mold after the adhesive has solidified.

3. The method for integral molding of branch wire harness sheaths according to claim 1, characterized in that, Step S3 specifically includes: The wire harness is installed in the wire harness forming mold and the mold is closed. The centering structure is installed away from the connector end. The wire harness section formed at the connector end enters the tubular cavity. The wire harness forming mold and the wire harness are vertically fixed on the bracket with the connector end facing down, and the semi-ring tube is fixed with a buckle. Slightly stretching the wire harness makes it vertical within the tubular cavity, and rotating the push screw drives the semi-ring clamping structure to clamp the wire harness and complete centering. The cold forming adhesive is injected from the tubular cavity into the wire harness forming mold until the liquid level is close to the centering structure. It is then left to stand at room temperature until the adhesive cures and the wire harness forming mold is removed. Remove the clips, open the semi-circular tube, and you will get the wire harness potting molded body.

4. The method for integral molding of branch wire harness sheaths according to claim 3, characterized in that, When there are many branch harnesses or the harnesses are too long to be formed in one go, repeat step S3 until all harnesses are formed.

5. The method for integral molding of branch wire harness sheaths according to claim 1, characterized in that, Step S4 specifically includes: The branch wire harness and part of the wire harness potting molded body are installed in the composite branch cavity after the second upper mold and the second lower mold are closed, ensuring that the wire outlet holes at both ends of the composite branch cavity are filled with wire harness potting molded body, and the second upper mold and the second lower mold are closed by the second positioning post; Place the installed branch mold flat with the second injection hole facing upward. Pour the cold forming adhesive into the composite branch cavity through the second injection hole until the composite branch cavity is filled until adhesive overflows from the second overflow hole or is visible. Let it stand at room temperature until the adhesive has cured. Use a tool to tap the second mold release groove to detach the second upper mold and the second lower mold to obtain the branch potting molded body. Repeat the above steps until all branch harnesses are potted.

6. The method for integral molding of branch wire harness sheaths according to claim 1, characterized in that, The specific method for removing defects from formed wire harnesses is as follows: Cut off the defective parts of the formed wire harness to expose the annular notch. Place the notch in the middle of the third lower mold to ensure that the left and right ends of the connecting cavity are filled with part of the wire harness encapsulated molding body. Then close the third upper mold and the third lower mold. Place the installed joint mold flat with the third injection hole facing upwards. Pour the cold-forming adhesive into the combined joint cavity after the third upper mold and the third lower mold are closed through the third injection hole, filling the combined joint cavity until adhesive overflows from the third overflow hole or is visible. Let it stand at room temperature until the adhesive has cured. Use a tool to tap the third release groove to separate the third upper mold and the third lower mold, and remove the joint wire harness from the joint mold.

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