CN114221190B - J18 series small rectangular electric connector cable assembly encapsulating tool and encapsulating method - Google Patents
J18 series small rectangular electric connector cable assembly encapsulating tool and encapsulating method Download PDFInfo
- Publication number
- CN114221190B CN114221190B CN202111486303.5A CN202111486303A CN114221190B CN 114221190 B CN114221190 B CN 114221190B CN 202111486303 A CN202111486303 A CN 202111486303A CN 114221190 B CN114221190 B CN 114221190B
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- China
- Prior art keywords
- half block
- electric connector
- type electric
- cavity
- right half
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Links
- 238000000034 method Methods 0.000 title claims description 10
- 238000004382 potting Methods 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 8
- 238000004513 sizing Methods 0.000 claims abstract description 7
- 238000005538 encapsulation Methods 0.000 claims description 14
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000007711 solidification Methods 0.000 claims description 4
- 230000008023 solidification Effects 0.000 claims description 4
- 239000000443 aerosol Substances 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000003466 welding Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000005493 welding type Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/005—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for making dustproof, splashproof, drip-proof, waterproof, or flameproof connection, coupling, or casing
Abstract
A J18 series miniature rectangular electrical connector cable assembly potting fixture comprising: a left half block and a right half block; the left half block and the right half block are folded to form a cavity in an up-down through shape; the cavity comprises an upper cavity and a lower cavity, and a step surface is formed between the upper cavity and the lower cavity; the inner profile size of the upper cavity is consistent with the outer dimension of a rubber pad on the J18 type electric connector; the lower cavity is used for accommodating a shell of the J18 type electric connector and positioning the J18 type electric connector; the upper cavity is used for accommodating a rubber pad of the J18 type electric connector; the height of the upper cavity is greater than the thickness of the rubber pad. When the filling and sealing operation is carried out, the filling and sealing operation can be finished by only inserting the J18 type electric connector on the cable assembly into the filling tool, injecting the sizing material into the upper cavity for curing and then removing the left half block and the right half block. The whole encapsulating tool is formed by connecting left half blocks and right half blocks by screws, has a simple structure, is convenient to encapsulate and operate, and is beneficial to improving encapsulating efficiency.
Description
Technical Field
The invention relates to the technical field of electric connector cable assembly processing, in particular to a J18 series small rectangular electric connector cable assembly encapsulating tool and an encapsulating method.
Background
The J18 series small rectangular electric connector (shown in figure 1) is widely applied to the fields of aviation, aerospace and the like, and the use condition is diversified along with the continuous improvement of the performance index of the product, so that the use environment is complex and special, and the electric connector and the cable assembly are provided with higher reliability requirements.
At present, a certain product is connected with a cable assembly by using a J18 series connector, the joint of the connector is a welding type connector, and the welding wire is a welding wire with the cross section of 0.12mm 2 The problem that the lead is disconnected from the welding spot easily occurs in the manufacturing process of the cable, the repair rate is high, and the qualification rate is low. Therefore, the welding part is required to be encapsulated by adopting sizing materials, the currently adopted encapsulating tool is complex in structure, complex in encapsulating operation and low in encapsulating efficiency, and the encapsulating tool for the J18 series small rectangular electric connector cable assembly is not adopted.
Disclosure of Invention
The invention mainly aims to provide a cable assembly encapsulating tool and an encapsulating method for J18 series small rectangular electric connectors, and aims to solve the technical problems.
In order to achieve the above purpose, the invention provides a cable assembly encapsulating tool for a J18 series small rectangular electric connector, comprising: a left half block and a right half block;
the left half block and the right half block are folded to form a cavity in an up-down through shape; the cavity comprises an upper cavity and a lower cavity, and a step surface is formed between the upper cavity and the lower cavity; the inner profile size of the upper cavity is consistent with the outer dimension of a rubber pad on the J18 type electric connector; the lower cavity is used for accommodating a shell of the J18 type electric connector and positioning the J18 type electric connector; the upper cavity is used for accommodating a rubber pad of the J18 type electric connector; the height of the upper cavity is greater than the thickness of the rubber pad.
Preferably, the height of the lower cavity is less than the height of the housing of the J18 electrical connector.
Specifically, the height of the lower cavity is 0.5 mm-1 mm smaller than the height of the shell of the J18 type electric connector.
Preferably, the left half block and the right half block are connected through screws after being closed.
Preferably, inclined planes are respectively arranged at two ends of the left half block and the right half block; after the left half block and the right half block are folded, the inclined surfaces of the left half block and the right half block form a V-shaped groove.
Preferably, the left half block and/or the right half block are/is provided with a die opening.
Preferably, the cross section of the lower cavity is trapezoidal, and is matched with the shape of the shell on the J18-type electric connector; the trapezoid large end of the lower cavity is arranged on the left half block, and the trapezoid small end is arranged on the right half block.
Preferably, the width of the inner profile of the lower cavity is 0.1mm to 0.2mm smaller than the width of the shell of the J18 type electric connector.
The invention also provides a method for encapsulating the J18 series small rectangular electric connector cable assembly, which adopts an encapsulating tool to encapsulate, and comprises the following steps:
step S1: placing the J18 type electric connector on the cable assembly on a potting tool, so that a shell of the J18 type electric connector is inserted into a lower cavity, the upper surface of the shell is abutted against the step surface, and a rubber pad of the J18 type electric connector is inserted into an upper cavity;
step S2: injecting sizing material into the upward cavity, and curing;
step S3: and after the solidification is finished, the left half block and the right half block are removed from the J18 type electric connector, and encapsulation is completed.
Preferably, in step S1, before the J18 type electrical connector is mounted on the potting tool, the potting part of the cable assembly and the potting tool are cleaned, and the aerosol release agent and the plugging adhesive are sprayed on the peripheral wall of the cavity of the potting tool.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
(1) According to the invention, the left half block and the right half block are folded to form the cavity which is penetrated up and down, the lower cavity forms a position for the shell of the J18 type electric connector, and the upper cavity is used for accommodating the rubber pad of the J18 type electric connector. When the filling and sealing operation is carried out, the filling and sealing operation can be finished by only inserting the J18 type electric connector on the cable assembly into the filling tool, injecting the sizing material into the upper cavity for curing and then removing the left half block and the right half block. The whole encapsulation tool is formed by connecting left half blocks and right half blocks by screws, has the advantages of small volume, simple structure, convenient operation, firm positioning, easy disassembly after solidification and contribution to improvement of encapsulation efficiency.
(2) The invention solves the problems that the lead is disconnected from the welding point in the manufacturing process of the cable, so that the lead delivery period of the product is influenced, the product is in butt joint and the rejection rate is high, and the like; meanwhile, the problem of wire disconnection in the subsequent procedures (test, transportation and complete machine test) is effectively avoided. The connecting cable encapsulated by the encapsulating tool has good mechanical property and electrical property.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a J18 electrical connector;
FIG. 2 is a top view of a J18 electrical connector structure;
FIG. 3 is a schematic view of a cable assembly;
FIG. 4 is a schematic diagram of the operation of the tool for encapsulating a J18-series small rectangular electrical connector cable assembly of the present invention;
FIG. 5 is an exploded view (front side) of the structure of the present invention;
FIG. 6 is an exploded view (reverse side) of the structure of the present invention;
reference numerals illustrate: 1-left half block; 2-right half blocks; a 3-J18 electrical connector; 301-a flange plate; 302-a housing; 303-rubber pad; 304-pins; 4-screws; 5-a cavity; 501-an upper cavity; 502-a lower cavity; 503-step surface; 6-inclined plane; 7-die opening holes; 8-cable assembly.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
As shown in fig. 1, which is a schematic structural diagram of a J18 type electrical connector 3, the J18 type electrical connector 3 includes a housing 301, and pins 304 disposed on the housing 301, a rubber pad 303 is disposed between the pins 304 and the housing 302, and a flange 301 is disposed on the housing 302. The height of the housing 302 is denoted by Ht in fig. 1.
As shown in fig. 2, which is a top view of the structure of the J18 type electrical connector 3, the housing 302 has a trapezoidal cross section, and the width of the housing is denoted by Lt in the figure.
As shown in fig. 3, which is a schematic view of the cable assembly 8, the pins of the J18-type electrical connector 3 are soldered to the cable.
As shown in fig. 4 to 6, a J18 series small rectangular electrical connector cable assembly potting fixture, comprising: a left half block 1 and a right half block 2; the left half block 1 and the right half block 2 are folded to form a cavity 5 which is penetrated from top to bottom; the die cavity 5 comprises an upper die cavity 501 and a lower die cavity 502, and a step surface 503 is formed between the upper die cavity 501 and the lower die cavity 502; the inner surface size of the upper cavity 501 is consistent with the outer size of the rubber pad 303 on the J18 type electric connector 3, so that the two are well and tightly attached to each other, and the leakage of rubber materials is prevented; the lower cavity 502 is used for accommodating the shell 302 of the J18-type electric connector 3 and positioning the J18-type electric connector 3; the upper cavity 501 is used for accommodating the rubber pad 303 of the J18 type electric connector 3; the upper cavity 501 has a height greater than the thickness of the rubber pad 303.
In the present embodiment, the height of the lower cavity 502 is smaller than the height Ht of the housing 302 of the J18-type electrical connector 3, specifically, the height of the lower cavity 502 is 0.5mm to 1mm smaller than the height of the housing 302 of the J18-type electrical connector 3. Since the height of the lower cavity 502 is smaller than the height Ht of the housing 302 of the J18-type electrical connector 3, when the J18-type electrical connector 3 is inserted into the cavity 5, the upper end surface of the housing 302 can abut against and fit against the step surface 503 to form a seal, preventing leakage of the glue.
In this embodiment, the left half block 1 and the right half block 2 are connected by a screw 4 after being folded. The screw 4 is adopted for connection, the structure is simple, and when the J18 type electric connector 3 is inserted in place, the fixing of the encapsulation tool to the J18 type electric connector 3 can be completed by tightening the screw 4.
As shown in fig. 4, in this embodiment, inclined surfaces 6 are respectively provided at both ends of the left half block 1 and the right half block 2; after the left half block 1 and the right half block 2 are folded, the inclined planes 6 of the left half block 1 and the right half block 2 form a V-shaped groove. After the sizing material is solidified, the left half block 1 and the right half block 2 are difficult to open, a V-shaped groove is formed by arranging the inclined surface 6, the V-shaped groove plays a role of a prying opening, and a straight screwdriver is adopted to open the V-shaped groove.
As shown in fig. 5, in the present embodiment, the left half block 1 and/or the right half block 2 are provided with a die opening 7. When the die is opened, the left half block 1 or the right half block 2 can be pushed away from the die opening hole 7 by utilizing the ejector rod, and the die is easier to open by utilizing the form that the die opening hole 7 is matched with the V-shaped groove.
As shown in fig. 2 and 6, the cross-sectional shape of the lower cavity 502 is a trapezoid shape, which matches the shape of the housing 302 on the J18-type electrical connector 3; the trapezoid big end of the lower cavity 502 is arranged on the left half block 1, and the trapezoid small end is arranged on the right half block 2. The width of the inner surface of the lower cavity 502 is 0.1mm to 0.2mm smaller than the width Lt of the housing 302 of the J18 type electrical connector 3. Since the width of the inner surface of the lower cavity 502 is smaller than the width Lt of the housing 302, the J18-type electrical connector 3 can be fixed to the potting tool by tightening the screw 4 to clamp the housing 302. The cross section of the lower cavity 502 is trapezoidal and is matched with the shape of the shell 302 on the J18-type electric connector 3, and the trapezoidal shape can play a role in preventing errors and prevent the J18-type electric connector 3 from being reversely assembled in the encapsulating tool.
A method for encapsulating a J18 series small rectangular electrical connector cable assembly by using the encapsulating tool according to any one of claims 1 to 8, comprising the steps of:
step S1: placing the J18 type electric connector 3 on the cable assembly 8 on a potting tool, enabling the shell 302 of the J18 type electric connector 3 to be inserted into the lower cavity 502, enabling the upper surface of the shell 302 to be abutted against the step surface 503, and enabling the outer peripheral surface of the rubber pad 303 of the J18 type electric connector 3 to be inserted into the upper cavity 501 and tightly attached to the inner wall of the upper cavity 501 of the potting tool; judging whether the upper surface of the shell 302 is attached to the step surface 503 by visually checking whether the upper surface of the flange 301 of the J18 type electric connector 3 is attached to the bottom surface of the encapsulation tool, and screwing the screw 4 after checking;
step S2: injecting sizing material into the upper cavity 501 and then curing; in order to ensure the encapsulation quality, the encapsulation tool is placed on a horizontal workbench to enable the encapsulation surface to be in a horizontal state; in the curing process, the moving, tilting and vibrating filling and sealing tool is not allowed, the lead is not involved or stressed, and the bubbles are found to be pricked;
step S3: after solidification, the left half block 1 and the right half block 2 are detached from the J18 type electric connector 3, the right half block 2 is firstly detached horizontally along the trapezoid small end direction of the shell 302, and then the J18 type electric connector 3 after encapsulation is taken out downwards from the left half block 1; and (5) filling and sealing.
In this embodiment, in step S1, before the J18 type electrical connector 3 is mounted on the potting tool, the potting portion of the cable assembly 8 and the potting tool are cleaned, and the aerosol release agent and the plugging adhesive are sprayed on the peripheral wall of the cavity 5 of the potting tool. And the gap between the tool and the electric connector is eliminated by smearing the plugging adhesive, so that the adhesive is prevented from leaking.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the description of the present invention and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the invention.
Claims (3)
1. The utility model provides a small-size rectangle electric connector cable subassembly embedment frock of J18 series which characterized in that includes: a left half block (1) and a right half block (2);
the left half block (1) and the right half block (2) are folded to form a cavity (5) which is penetrated up and down; the cavity (5) comprises an upper cavity (501) and a lower cavity (502), and a step surface (503) is formed between the upper cavity (501) and the lower cavity (502); the inner profile size of the upper cavity (501) is consistent with the outer profile size of a rubber pad (303) on the J18 type electric connector (3);
the lower cavity (502) is used for accommodating a shell (302) of the J18 type electric connector (3) and positioning the J18 type electric connector (3);
the upper cavity (501) is used for accommodating a rubber pad (303) of the J18 type electric connector (3); the height of the upper cavity (501) is larger than the thickness of the rubber pad (303);
the height of the lower cavity (502) is smaller than the height of the shell (302) of the J18 type electric connector (3);
the left half block (1) and the right half block (2) are connected through a screw (4) after being folded;
inclined planes (6) are respectively arranged at two ends of the left half block (1) and the right half block (2); after the left half block (1) and the right half block (2) are folded, the inclined surfaces (6) of the left half block (1) and the right half block (2) form a V-shaped groove;
the left half block (1) and/or the right half block (2) are provided with die openings (7);
the cross section of the lower cavity (502) is trapezoidal, and is matched with the shape of the shell (302) on the J18 type electric connector (3); the trapezoid large end of the lower cavity (502) is arranged on the left half block (1), and the trapezoid small end is arranged on the right half block (2);
the height of the lower cavity (502) is 0.5 mm-1 mm smaller than the height of the shell (302) of the J18 type electric connector (3);
the width of the inner surface of the lower cavity (502) is 0.1 mm-0.2 mm smaller than the width of the shell (302) of the J18 type electric connector (3).
2. A method for encapsulating a J18 series small rectangular electrical connector cable assembly, characterized by adopting the encapsulating tool of claim 1 for encapsulating, comprising the steps of:
step S1: placing the J18 type electric connector (3) on the cable assembly (8) on a potting tool, enabling a shell (302) of the J18 type electric connector (3) to be inserted into a lower cavity (502), enabling the upper surface of the shell (302) to be abutted against a step surface (503), and enabling a rubber pad (303) of the J18 type electric connector (3) to be inserted into an upper cavity (501);
step S2: injecting sizing material into the upper cavity (501) and then curing;
step S3: after the solidification is finished, the left half block (1) and the right half block (2) are detached from the J18 type electric connector (3), and encapsulation is completed.
3. A method of potting a J18 series miniature rectangular electrical connector cable assembly of claim 2, wherein: in step S1, before the J18 type electric connector (3) is installed on the encapsulation tool, the encapsulation part of the cable assembly (8) and the encapsulation tool are cleaned, and the aerosol release agent and the plugging adhesive are sprayed on the peripheral wall of the cavity (5) of the encapsulation tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111486303.5A CN114221190B (en) | 2021-12-07 | 2021-12-07 | J18 series small rectangular electric connector cable assembly encapsulating tool and encapsulating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111486303.5A CN114221190B (en) | 2021-12-07 | 2021-12-07 | J18 series small rectangular electric connector cable assembly encapsulating tool and encapsulating method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114221190A CN114221190A (en) | 2022-03-22 |
| CN114221190B true CN114221190B (en) | 2024-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111486303.5A Active CN114221190B (en) | 2021-12-07 | 2021-12-07 | J18 series small rectangular electric connector cable assembly encapsulating tool and encapsulating method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114221190B (en) |
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| KR20130066136A (en) * | 2011-12-12 | 2013-06-20 | 삼성전자주식회사 | Injection mold |
| CN204243441U (en) * | 2014-12-08 | 2015-04-01 | 贵州航天电子科技有限公司 | A kind of circular electric connector socket embedding frock |
| CN105281180A (en) * | 2015-11-04 | 2016-01-27 | 北京新立机械有限责任公司 | Electric connector encapsulating device and application method thereof |
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| CN105633769A (en) * | 2015-12-30 | 2016-06-01 | 中国科学院长春光学精密机械与物理研究所 | DB type electric connector socket glue injection mould |
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| CN107834341A (en) * | 2017-09-21 | 2018-03-23 | 北京机械设备研究所 | A kind of round electric connector embedding positioning clamping device and its application method |
| CN110722722A (en) * | 2019-11-29 | 2020-01-24 | 贵阳航空电机有限公司 | Improved structure of glue filling device of electric connector |
| CN111431005A (en) * | 2020-04-22 | 2020-07-17 | 上海航天电子通讯设备研究所 | Rectangular electric connector encapsulating equipment and encapsulating method |
-
2021
- 2021-12-07 CN CN202111486303.5A patent/CN114221190B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002283408A (en) * | 2001-03-26 | 2002-10-03 | Sumitomo Wiring Syst Ltd | Mold structure |
| KR20130066136A (en) * | 2011-12-12 | 2013-06-20 | 삼성전자주식회사 | Injection mold |
| CN204243441U (en) * | 2014-12-08 | 2015-04-01 | 贵州航天电子科技有限公司 | A kind of circular electric connector socket embedding frock |
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| CN105599227A (en) * | 2015-12-30 | 2016-05-25 | 中国科学院长春光学精密机械与物理研究所 | Circular electric connector socket injecting mold |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN114221190A (en) | 2022-03-22 |
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