阅读说明：本技术 一种弹上电缆网三维立体成型方法 (Three-dimensional forming method for cable net on spring ) 是由 薛静 赵寻珂 徐宗胜 吴伟潇 袁锐 吴欢 黄婵莹 于 2020-03-26 设计创作，主要内容包括：一种弹上电缆网三维立体成型方法,该方法步骤如下：步骤一、进行仿舱体结构三维布线装置实物的制作；步骤二、根据仿舱体结构三维布线装置上线槽的走向确定导线的长度并进行导线的切割；步骤三、在线束弯折部位的线槽中加装热熔胶套管；步骤四、对始端导线对应的连接器进行钎焊；步骤五、在连接器90度出线处安装扎线架固定导线束形状；步骤六、根据电缆网的连接关系整理连接器导线的去向；步骤七、在仿舱体结构三维布线装置上将导线按照去向标记进行布线预成型；步骤八、用聚四氟乙烯生料带包扎导线束；步骤九、在线束弯折部位热缩热熔胶套管固定线束形状；步骤十、采用导通蜂鸣器找到对应的导通点,对终端的连接器进行制作。(A three-dimensional forming method of an elastic cable net comprises the following steps: firstly, manufacturing a cabin-like structure three-dimensional wiring device entity; determining the length of a wire according to the trend of a wire groove on the three-dimensional wiring device with the simulated cabin structure and cutting the wire; thirdly, a hot melt adhesive sleeve is additionally arranged in the wire groove of the wire harness bending part; step four, soldering the connector corresponding to the initial end lead; fifthly, installing a wire bundling frame at the 90-degree outgoing line position of the connector to fix the shape of the wire bundle; sixthly, arranging the direction of the conductor of the connector according to the connection relation of the cable network; seventhly, performing wiring preforming on the wires on the three-dimensional wiring device imitating the cabin structure according to the destination mark; step eight, wrapping the wire bundle by using a polytetrafluoroethylene raw material belt; step nine, fixing the shape of the wire harness at the bending part of the wire harness by using a thermal shrinkage hot melt adhesive sleeve; and step ten, finding a corresponding conduction point by adopting a conduction buzzer, and manufacturing a connector of the terminal.)

1. A three-dimensional forming method of a cable net on a missile is characterized by comprising the following steps:

step one, establishing a cabin structure imitating three-dimensional wiring device model, and manufacturing a cabin structure imitating three-dimensional wiring device object;

determining the length of a wire according to the trend of a wire groove on the three-dimensional wiring device with the simulated cabin structure and cutting the wire;

thirdly, sleeving cable network outer sheaths on branch wire grooves of the three-dimensional wiring device with the simulated cabin structure in a penetrating manner, and additionally installing hot melt adhesive sleeves in the wire grooves at the wire harness bending positions;

determining the starting end and the terminal end of the laid conductor according to the connection relation of the cable network, soldering a connector corresponding to the conductor at the starting end, sleeving a heat-shrinkable sleeve on a welding spot for protection, arranging the connector, and performing head-closing treatment on the shielded conductor;

fifthly, installing a wire bundling frame at the wire outlet of the connector to fix the shape of the wire bundle;

step six, arranging the direction of the conductor of the connector according to the connection relation of the cable network, and making a direction-going mark by using label paper;

seventhly, performing wiring preforming on the wires according to the destination marks on the three-dimensional wiring device imitating the cabin structure, laying the terminals of the wires, and twisting the wire bundles in a right-handed spiral manner in the laying process;

step eight, wrapping the wire bundle by using a polytetrafluoroethylene raw material belt;

step nine, fixing the shape of the wire harness at the bending part of the wire harness by using a thermal shrinkage hot melt adhesive sleeve;

step ten, according to the point location relation of the cable network, finding a corresponding conduction point by adopting a conduction buzzer, and manufacturing a connector of the terminal.

2. The missile-borne cable network three-dimensional forming method according to claim 1, wherein the model of the three-dimensional wiring device imitating the cabin structure in the step one is established according to the position relation of equipment in the missile cabin.

3. The method for three-dimensional forming of the elastic cable net according to claim 1, wherein the cable net outer sheath threaded on each branch line slot in the third step is an aramid sleeve.

4. The method of claim 1, wherein in step five, a wire-tying frame is installed at a 90-degree outlet of the connector to fix the shape of the wire bundle.

5. The three-dimensional forming method of the elastic cable net according to claim 1, wherein the twisting pitch in the seventh step is 6-8 times of the diameter of the wire harness.

6. The method for three-dimensional forming of an elastic cable net according to claim 1, wherein in the eighth step, the winding direction of the polytetrafluoroethylene raw material tape is in a left direction, and the wire harness should be routed from the outer sheath of the cable net and the inside of the hot melt adhesive sleeve when the terminal is laid.

Technical Field

The invention relates to a three-dimensional forming method of an on-elastic cable net, and belongs to the technical field of electronic assembly manufacturing.

Background

The on-missile cable network realizes the feeding, testing and control signal transmission of the full-missile energy system, is a carrier of full-missile information flow and is the basis of full-missile coordinated work, so that high quality and high reliability are required. With the development of missile weapon systems, cabin body structures tend to be more complex, equipment density is increased, cable network laying space is narrower, and paths are more complex. Because the cable branch is more in the cabin, the structure is inseparable, and cable installation size position requires accurately, in case the size is slightly long or slightly short will influence the laying of cable or influence the installation of other equipment.

The conventional two-dimensional plane cable manufacturing mode causes a cable object to have larger access with an actual laying state and size, such as a wiring harness trend, a wiring direction, a local bending state and the like. The cable has to be bent and twisted by operators during field laying, and the long-term existence of the condition causes quality defects, so that the installation and laying requirements of the sprung cable cannot be met obviously only by the two-dimensional plane wiring manufacturing of the existing cable network and the manual control of the size precision by the operators, and even the reliability of the delivered cable network is threatened.

Disclosure of Invention

In order to solve the problems that the existing two-dimensional plane cable and an actual laying state come in and go out, the method aims to provide a method for forming the three-dimensional elastic cable network, and the problems that the wiring harness trend, the outgoing line direction, local bending and the like of the existing two-dimensional plane cable are inconsistent with actual installation are solved.

The invention provides a method for forming a three-dimensional elastic cable network, which comprises the following steps: step one, establishing a cabin structure imitating three-dimensional wiring device model, and manufacturing a cabin structure imitating three-dimensional wiring device object;

determining the length of a wire according to the trend of a wire groove on the three-dimensional wiring device with the simulated cabin structure and cutting the wire;

thirdly, sleeving cable network outer sheaths on branch wire grooves of the three-dimensional wiring device with the simulated cabin structure in a penetrating manner, and additionally installing hot melt adhesive sleeves in the wire grooves at the wire harness bending positions;

determining the starting end and the terminal end of the laid conductor according to the connection relation of the cable network, soldering a connector corresponding to the conductor at the starting end, sleeving a heat-shrinkable sleeve on a welding spot for protection, arranging the connector, and performing head-closing treatment on the shielded conductor;

fifthly, installing a wire bundling frame at the wire outlet of the connector to fix the shape of the wire bundle;

step six, arranging the direction of the conductor of the connector according to the connection relation of the cable network, and making a direction-going mark by using label paper;

seventhly, performing wiring preforming on the wires according to the destination marks on the three-dimensional wiring device imitating the cabin structure, laying the terminals of the wires, and twisting the wire bundles in a right-handed spiral manner in the laying process;

step eight, wrapping the wire bundle by using a polytetrafluoroethylene raw material belt;

step nine, fixing the shape of the wire harness at the bending part of the wire harness by using a thermal shrinkage hot melt adhesive sleeve;

step ten, according to the point location relation of the cable network, finding a corresponding conduction point by adopting a conduction buzzer, and manufacturing a connector of the terminal.

Preferably, the three-dimensional wiring device model imitating the cabin structure in the step one is established according to the position relation of equipment in the missile cabin.

Preferably, the outer sheath of the cable network penetrating through each branch in the third step is an aramid fiber sleeve, and a hot melt adhesive sleeve is additionally arranged in the wire groove of the wire harness bending part.

Preferably, step five is to install a wire bundling frame at the 90-degree outlet of the connector to fix the shape of the wire bundle.

Preferably, the wire bundle is twisted in a right-handed spiral manner in the laying process in the seventh step, and the twisting pitch is 6-8 times of the diameter of the wire bundle.

Preferably, in the eighth step, the winding direction of the polytetrafluoroethylene raw material tape is the left direction, and the wire bundle should be routed from the outer sheath of the cable network and the inside of the hot melt adhesive sleeve when the terminal is laid.

The invention provides a three-dimensional forming method of a missile-borne cable network, which is characterized in that a cabin-structure-imitating three-dimensional wiring device model is designed according to the installation position of equipment in a missile guide cabin body, and the cable network is manufactured by depending on the device. The invention obtains the following beneficial effects through targeted protection measures and a new connection mode: the wiring length and the assembling direction of a wire harness in the cable manufacturing process are guided by the cabin-like structure three-dimensional wiring device, the three-dimensional die assembly and the three-dimensional forming of the cable are realized, the high matching performance of a cable design model and a real object prototype and the high precision of the manufacturing are improved, and the cable assembling difficulty and time are reduced. Therefore, compared with the prior art, the invention has the advantages of effectively improving the attaching degree of the cable and the cabin body, thereby integrally improving the product quality.

Drawings

FIG. 1 is a flow chart of a method for forming a three-dimensional shape of a cable network on a projectile according to the present invention;

fig. 2 is a schematic structural diagram of a three-dimensional forming method of an on-board cable network according to an embodiment of the present invention;

fig. 3 is a schematic diagram of a wire of a sorting connector in the method for three-dimensional formation of a cable network on a missile according to an embodiment of the present invention.

Detailed Description

In order to make the objects and features of the present invention more comprehensible, embodiments of the present invention are described below with reference to fig. 1 to 3. In the figure, 1 is a cabin-like structure three-dimensional wiring device, 2 is a lead, 3 is a cable network outer sheath, 4 is a hot melt adhesive sleeve, 5 is a polytetrafluoroethylene raw material belt, 6 is a wire groove, 7 is a lead bundle, 8 is a binding frame, 9 is a 90-degree outgoing wire, 10 is a connector, and 11 is label paper.

The invention is realized by the following scheme: the method comprises the following steps:

step one, establishing a model of a cabin-simulated structure three-dimensional wiring device 1 according to the position relation of equipment in a missile cabin, and manufacturing a real object of the cabin-simulated structure three-dimensional wiring device 1

Step two, determining the length of the lead 2 according to the trend of the wire groove 6 on the three-dimensional wiring device 1 imitating the cabin structure and cutting the lead 2

Thirdly, sleeving an outer sheath 3 of the cable network on each branch line slot 6 of the three-dimensional wiring device 1 with the simulated cabin structure, and additionally installing a hot melt adhesive sleeve 4 in the line slot 6 at the bending part of the line bundle

Step four, determining the initial end and the terminal end of the laying conductor 2 according to the connection relation of the cable network, soldering the connector 10 corresponding to the initial end conductor, sleeving a heat-shrinkable sleeve on a welding spot for protection, arranging the connector, and performing head-closing treatment on the shielding conductor

Step five, installing a wire bundling frame 8 at the 90-degree outgoing line 9 of the connector to fix the shape of the wire bundle 7

Step six, arranging the direction of the conductor 2 of the connector 10 according to the connection relation of the cable network, and making a direction mark by using label paper 11

Seventhly, conducting wiring preforming on the wires 2 according to the destination marks on the three-dimensional wiring device 1 imitating the cabin structure, laying the terminals of the wires 2, twisting the wire bundles 7 in a right-handed spiral manner in the laying process, wherein the twisting pitch is 6-8 times of the diameter of the wire bundles 7

Step eight, wrapping the lead bundles 7 by using the polytetrafluoroethylene raw material 5, wherein the winding direction of the polytetrafluoroethylene raw material tape 7 is in the left direction, and the lead bundles 7 are routed from the inner parts of the cable network outer sheath 3 and the hot melt adhesive sleeve 4 when the terminal is laid

Step nine, fixing the shape of the lead bundle 7 by the thermal shrinkage hot melt adhesive sleeve 4 at the bending part of the lead bundle

Step ten, according to the point location relation of the cable network, adopting a conduction buzzer to find a corresponding conduction point, and manufacturing the connector 10 of the terminal

In summary, the method for forming the three-dimensional elastic cable net has the following advantages compared with the prior art: the wiring length and the assembling direction of a wire harness in the cable manufacturing process are guided by the cabin-like structure three-dimensional wiring tool, the three-dimensional die assembly and the three-dimensional forming of the cable are realized, the high matching performance of a cable design model and a real object prototype and the high precision of the manufacturing are improved, and the cable assembling difficulty and time are reduced. Therefore, compared with the prior art, the invention has the advantages of effectively improving the attaching degree of the cable and the cabin body, thereby integrally improving the product quality.

While the foregoing is directed to embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.