CN106891476B - Terminal locking mechanism, mold and connector processing method - Google Patents

Terminal locking mechanism, mold and connector processing method Download PDF

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Publication number
CN106891476B
CN106891476B CN201710236696.1A CN201710236696A CN106891476B CN 106891476 B CN106891476 B CN 106891476B CN 201710236696 A CN201710236696 A CN 201710236696A CN 106891476 B CN106891476 B CN 106891476B
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CN
China
Prior art keywords
terminal
block
locking
locking block
sliding block
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CN201710236696.1A
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Chinese (zh)
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CN106891476A (en
Inventor
曹建洪
孙春红
黄丹
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Shanghai Fl Dai Ichi Automotive Controllers Co ltd
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Shanghai Fl Dai Ichi Automotive Controllers Co ltd
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Priority to CN201710236696.1A priority Critical patent/CN106891476B/en
Publication of CN106891476A publication Critical patent/CN106891476A/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14065—Positioning or centering articles in the mould
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14336—Coating a portion of the article, e.g. the edge of the article
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14639—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles for obtaining an insulating effect, e.g. for electrical components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • 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
    • H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
    • H01R43/24—Assembling by moulding on contact members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
    • B29L2031/36—Plugs, connectors, or parts thereof

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Stroboscope Apparatuses (AREA)
  • Manufacturing Of Electrical Connectors (AREA)

Abstract

The invention provides a terminal locking mechanism which comprises a sliding block, a locking block hinged with the sliding block and a pushing assembly, wherein an adjustable gap is formed between one end of the locking block and the sliding block, the adjustable gap is used for embedding a terminal, and the pushing assembly can apply locking force to the locking block. The working principle of the terminal locking mechanism is as follows: inserting a terminal into the adjustable gap; the pushing assembly applies locking force to the locking block, the locking block rotates relative to the sliding block under the action of the locking force, the adjustable gap is reduced, the terminal is locked, effective fixation of the terminal is achieved, and the follow-up injection molding processing process is guaranteed to be carried out on the terminal, so that the processing quality is higher. Meanwhile, the terminal locking mechanism in the invention has the advantages of simple integral structure and lower production cost.

Description

Terminal locking mechanism, mold and connector processing method
Technical Field
The invention relates to the technical field of connector processing, in particular to a terminal locking mechanism, a die and a connector processing method.
Background
The connector comprises a terminal and a rubber shell, wherein the terminal is usually placed in an injection mold during processing of the connector, and the rubber shell is directly injection-molded on the terminal by adopting an injection molding method so as to process the connector. In the prior art, in the injection molding process, the terminal cannot be effectively fixed, so that the terminal is easy to deviate in the injection molding process, the connector is low in processing quality, and defective products are easy to generate; and after the injection molding is finished, the molded connector is not easy to demould.
Disclosure of Invention
In view of the above-described drawbacks of the prior art, it is an object of the present invention to provide a terminal locking mechanism of a simple structure.
In order to achieve the purpose, the invention provides a terminal locking mechanism which comprises a sliding block, a locking block hinged with the sliding block and a pushing assembly, wherein an adjustable gap is formed between one end of the locking block and the sliding block, the adjustable gap is used for embedding a terminal, and the pushing assembly can apply locking force to the locking block.
Further, the hinge joint position of the locking block and the sliding block is close to the middle part of the locking block; the pushing assembly comprises a pre-tightening elastic element arranged at the other end of the locking block, and two ends of the pre-tightening elastic element are respectively abutted against the locking block and the sliding block.
Furthermore, a first positioning groove is formed in the other end of the locking block, and the pre-tightening elastic element is embedded in the first positioning groove.
Furthermore, the terminal locking mechanism also comprises a shell with a sliding groove, the sliding block and the locking block are embedded in the sliding groove, the pushing assembly comprises a main pressing piece arranged on the shell, and the main pressing piece can move in the direction close to and far away from the locking block; when the main pressing piece moves towards the direction close to the locking block, the main pressing piece pushes the locking block to rotate relative to the sliding block, the adjustable gap is reduced, and the terminal is locked.
Furthermore, a driven flange is arranged on the driving pressing piece, one end of the driven flange is abutted against a pressing plate arranged on the shell, and the other end of the driven flange is abutted against a reset elastic element arranged on the shell.
Furthermore, a locking block flange is arranged on the locking block; when the main pressing piece moves towards the direction close to the locking block, the main pressing piece pushes the locking block to rotate relative to the sliding block by pushing the locking block flange.
Furthermore, the shell is arranged in the lower die, the pushing assembly further comprises a pressing rod arranged on the upper die, the pressing rod abuts against the main pressing piece, and the pressing rod can push the main pressing piece to move towards the direction close to the locking block.
Furthermore, a first limiting column and a limiting elastic element which is abutted against the first limiting column are mounted on the shell, and a limited groove is formed in the sliding block; in the process that the sliding block is embedded into the sliding groove, the limiting elastic element pushes the first limiting column to be embedded into the limited groove.
Further, install the spacing post of second on the shell, be equipped with on the sliding block by spacing slot hole, the spacing post of second passes by spacing slot hole, by the both sides wall on the length direction of spacing slot hole be used for leaning on with the spacing post counterbalance of second.
Furthermore, the terminal locking mechanism further comprises a terminal positioning block positioned at the inner end of the adjustable gap, and the terminal positioning block is used for abutting against one end of the terminal.
As described above, the terminal locking mechanism according to the present invention has the following advantageous effects:
the working principle of the terminal locking mechanism is as follows: inserting a terminal into the adjustable gap; the pushing assembly applies locking force to the locking block, the locking block rotates relative to the sliding block under the action of the locking force, the adjustable gap is reduced, the terminal is locked, effective fixation of the terminal is achieved, and the follow-up injection molding processing process is guaranteed to be carried out on the terminal, so that the processing quality is higher. Meanwhile, the terminal locking mechanism in the invention has simple integral structure and lower production cost.
Another object of the invention is to provide a mould of simple construction.
In order to achieve the purpose, the invention provides a die which comprises an upper die and a lower die and further comprises a terminal locking mechanism.
As described above, the mold according to the present invention has the following advantageous effects:
when the mold is used, the terminal is effectively fixed by the terminal locking mechanism, so that the higher processing quality of the mold is ensured in the process of injection molding on the terminal. Meanwhile, the die is based on the terminal locking mechanism, so that the overall structure is simple, and the production cost is low.
Another object of the present invention is to provide a method of manufacturing a connector with improved quality.
In order to achieve the above object, the present invention provides a method for processing a connector using the terminal locking mechanism, which is used for processing a connector, the connector includes a terminal and a rubber shell, and the method for processing the connector includes the following steps:
s1, inserting a terminal into an adjustable gap;
s2, the pushing assembly applies locking force to the locking block, the locking block rotates relative to the sliding block, the adjustable gap is reduced, and the terminal is locked;
and S3, performing injection molding on the terminal to form a rubber shell, and obtaining the connector.
As described above, the method for processing a connector according to the present invention has the following advantageous effects:
according to the processing method of the connector, the terminal is effectively fixed by the terminal locking mechanism, so that a rubber shell is accurately formed on the terminal in a subsequent injection molding mode, and the quality of the processed connector is higher.
Drawings
Fig. 1 is a schematic structural view of the mold in a clamped state according to the present invention.
Fig. 2 is a schematic structural view of the mold in the mold-open state according to the present invention.
Fig. 3 is a schematic structural view of the terminal locking mechanism of the present invention.
Description of the element reference numerals
1. Sliding block
11. Quilt limiting groove
12. Is limited by the long hole
13. Second positioning groove
2. Locking block
21. A first positioning groove
22. Terminal positioning block
23. Pin shaft
24. Locking block flange
3. Pushing assembly
31. Pre-tightening elastic element
32. Main casting die
321. Passive flange
33. Pressing plate
331. Screw nail
34. Reset elastic element
36. Pressure lever
361. Pressure bar boss
4. Adjustable gap
5. Terminal with a terminal body
6. Outer casing
61. Sliding chute
62. First limit column
63. Limiting elastic element
64. Second limit column
65. Third positioning groove
7. Lower die
8. Upper die
81. Pressing block
10. Movable module
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
It should be understood that the structures, ratios, sizes, etc. shown in the drawings are only used for matching the disclosure of the present disclosure to be understood and read by those skilled in the art, and are not used to limit the conditions of the present disclosure, so that the present disclosure is not limited to the essential meanings in the technology, and any modifications of the structures, changes of the ratio relationships, or adjustments of the sizes, should still fall within the scope of the present disclosure without affecting the functions and the achievable objects of the present disclosure. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description only, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention unless otherwise specified.
In the embodiment of the invention: as shown in fig. 1, one end of the locking block 2 on which the terminal 5 is mounted is defined as a left end, and the other end of the locking block 2 is defined as a right end; and the position of the upper mold 8 is defined as upper and the position of the lower mold 7 is defined as lower.
As shown in fig. 1 to 3, the present invention provides a terminal locking mechanism, which includes a sliding block 1, a locking block 2 hinged to the sliding block 1, and a pushing assembly 3, wherein an adjustable gap 4 is formed between the left end of the locking block 2 and the sliding block 1, the adjustable gap 4 is used for embedding a terminal 5, and the pushing assembly 3 can apply a locking force to the locking block 2. The working principle of the terminal locking mechanism is as follows: inserting the terminal 5 into the adjustable gap 4; the pushing assembly 3 exerts locking force on the locking block 2, and under the action of the locking force, the locking block 2 rotates relative to the sliding block 1, so that the adjustable gap 4 is reduced, the terminal 5 is locked, the terminal 5 is effectively fixed, and the follow-up injection molding process on the terminal 5 is ensured, and the processing quality is higher. Meanwhile, the terminal locking mechanism in the invention has simple integral structure and lower production cost.
Meanwhile, as shown in fig. 1 and 2, the present invention also provides a mold, which comprises an upper mold 8 and a lower mold 7; and the mold further comprises the terminal locking mechanism. When the mold is used, the terminal locking mechanism is utilized to effectively fix the terminal 5, so that the higher processing quality of the terminal 5 in the injection molding process is ensured. Meanwhile, the die is based on the terminal locking mechanism, so that the overall structure is simple, and the production cost is low.
The invention also provides a processing method of the connector adopting the terminal locking mechanism, and the processing method is used for processing the connector. The connector in this embodiment includes terminals 5 and a rubber housing. As shown in fig. 1 to 3, the method for processing the connector includes the following steps:
s1, inserting a terminal 5 into an adjustable gap 4;
s2, the pushing assembly 3 applies locking force to the locking block 2, the locking block 2 rotates relative to the sliding block 1, the adjustable gap 4 is reduced, and the terminal 5 is locked;
and S3, performing injection molding on the terminal 5 to obtain a rubber shell, and obtaining the connector.
According to the processing method of the connector, the terminal 5 is effectively fixed by the terminal locking mechanism, so that a rubber shell is accurately formed on the terminal 5 in a subsequent injection molding mode, and the quality of the processed connector is higher.
As shown in fig. 1 to 3, in the present embodiment, the locking block 2 is hinged to the sliding block 1 by a pin 23, and the hinged position is adjacent to the middle of the locking block 2. The locking block 2 is located below the sliding block 1. The adjustable gap 4 is located at the left end of the locking block 2. The pushing assembly 3 includes a pre-tightening elastic element 31 installed at the right end of the locking block 2, and two ends of the pre-tightening elastic element 31 respectively abut against the locking block 2 and the sliding block 1. The embodiment applies downward elastic force to the right end of the locking block 2 by using the pre-tightening elastic element 31, and makes the left end of the locking block 2 have a tendency to rotate upwards around the pin 23 by using the lever principle. In this embodiment, the step S2 specifically includes the following steps: s21, the pre-tightening elastic element 31 applies downward elastic force to the right end of the locking block 2, the elastic force is locking force, so that the locking block 2 rotates clockwise relative to the sliding block 1, the adjustable gap 4 automatically shrinks and maintains a locked state, and at this time, the lower surface of the left end of the sliding block 1 and the upper surface of the left end of the locking block 2 tightly clamp the terminal 5 located in the adjustable gap 4, thereby effectively fixing the terminal 5. The present embodiment achieves the purpose of pre-locking the terminal 5 by adopting the above locking manner. The preloaded elastic elements 31 are compression springs in this embodiment. Meanwhile, as shown in fig. 1 to 3, the right end of the locking block 2 is provided with a first positioning groove 21, and the pre-tightening elastic element 31 is embedded in the first positioning groove 21.
As shown in fig. 1 and 2, the terminal locking mechanism in the present embodiment further includes a housing 6 having a slide groove 61. Meanwhile, the pushing assembly 3 includes a main pressing member 32 mounted on the housing 6, and the main pressing member 32 is movable in a direction approaching and separating from the locking block 2, that is, the main pressing member 32 is movable in an up-and-down direction. After the pre-locking of the terminal 5 is realized by the pre-tightening elastic element 31 in the step S21; the step S2 further includes the step S22: the slide block 1 and the lock block 2 are fitted to the slide groove 61 at predetermined positions. And the step S2 further includes the step S23: under the action of external force, the main pressing piece 32 moves towards the direction close to the locking block 2, namely, the main pressing piece 32 moves downwards, the main pressing piece 32 abuts against the right end of the locking block 2 and pushes the locking block 2 to rotate clockwise relative to the sliding block 1, the adjustable gap 4 is further reduced, the terminal 5 is further locked, and therefore the terminal 5 is firmly fixed.
Meanwhile, as shown in fig. 1 to 3, the driving pressing member 32 is provided with a passive flange 321, an upper end of the passive flange 321 abuts against the pressing plate 33 mounted on the housing 6, and a lower end of the passive flange 321 abuts against the return elastic member 34 mounted on the housing 6. In step S23, the main pressing member 32 moves downward by the external force and is separated from the abutting action with the pressing plate 33. When the external force acting on the main pressing member 32 disappears, the main pressing member 32 moves upward under the elastic force applied to the passive flange 321 by the elastic return element 34 until the passive flange 321 abuts against the pressing plate 33, so that the main pressing member 32 returns to the initial position. In this embodiment, the pressure plate 33 is fixed to the housing 6 by two screws 331; the return elastic element 34 is a compression spring.
As shown in fig. 1 and fig. 2, in this embodiment, the housing 6 is provided with a through hole corresponding to the main pressing member 32, and the sliding block 1 is provided with a notch corresponding to the main pressing member 32, so as to ensure that the main pressing member 32 can pass through the through hole and the notch in sequence during the downward movement process of the step S23 to push the locking block 2 to rotate. Meanwhile, as shown in fig. 1 to fig. 3, in the present embodiment, a locking block flange 24 is provided on the locking block 2, and the locking block flange 24 is located on the upper surface of the locking block 2 and embedded in the notch of the sliding block 1. In step S23, when the main pressing member 32 moves toward the direction of the locking block 2, the main pressing member 32 first passes through the through hole, then extends into the notch of the sliding block 1, and abuts against the locking block flange 24 in the notch, so as to push the locking block 2 to rotate relative to the sliding block 1 by pushing the locking block flange 24. In this embodiment, by providing the lock block flange 24, the stroke of downward movement of the main presser 32 required in step S23 is shortened. In addition, the outer shell 6 is provided with a third positioning groove 65 at the periphery of the upper end of the through hole, the reset elastic element 34 is sleeved at the lower end of the main pressing piece 32, the upper end of the reset elastic element 34 abuts against the passive flange 321, and the lower end of the reset elastic element 34 abuts against the bottom of the third positioning groove 65.
As shown in fig. 1 to 3, the pushing assembly 3 of the present embodiment further includes a pressing rod 36 mounted on the upper mold 8. The upper end of the pressure lever 36 is provided with a pressure lever boss 361; the lower end surface of the pressure lever boss 361 abuts against the upper die 8, and the upper end surface of the pressure lever boss 361 abuts against the press block 81 mounted on the upper die 8, so that the pressure lever 36 is fixed in the upper die 8. In the present embodiment, the pressing block 81 is fixed in the upper die 8 by a screw 331; the pressing block 81 is made of a material with high hardness, and not only plays a role of fixing the pressing rod 36, but also plays a role of pressure resistance. The sliding block 1, the locking block 2, the terminal 5, the housing 6 and the part of the pushing assembly 3 located in the housing 6 form a movable module 10. The step S23 includes the following steps in sequence:
s231, installing the shell 6 embedded with the sliding block 1, the locking block 2 and the terminal 5, namely the movable module 10 in the lower die 7;
s232, the upper die 8 is installed on the lower die 7, namely die assembly is carried out, the pressure lever 36 abuts against the main pressing piece 32, the pressure lever 36 pushes the main pressing piece 32 to move towards the direction close to the locking block 2, the main pressing piece 32 firstly penetrates through the through hole, then extends into the gap of the sliding block 1 and abuts against the locking block flange 24 in the gap, and therefore the locking block 2 is pushed to rotate relative to the sliding block 1 by pushing the locking block flange 24.
The invention skillfully utilizes the action of die assembly in the injection molding process to lock the terminal 5 in the die, thereby effectively preventing the terminal 5 from moving during the injection molding process and further avoiding processing the connector with uneven terminals 5. And the present invention pre-locks the terminal 5 in the adjustable gap 4 by using the pre-tightening elastic member 31 in the step S21, thereby preventing the terminal 5 from moving relative to the movable module 10 in the step S231, i.e., in the process of mounting the movable module 10 on the lower mold 7.
As shown in fig. 1 and fig. 2, in this embodiment, the housing 6 is mounted with a first position-limiting post 62 and a position-limiting elastic element 63 abutting against the first position-limiting post 62, and the sliding block 1 is provided with a position-limited groove 11. In the above step S22, during the sliding block 1 is inserted into the sliding groove 61, the limiting elastic element 63 pushes the first limiting post 62 to be inserted into the limited groove 11 to limit the sliding block 1 to continue sliding relative to the sliding groove 61, so as to ensure that the sliding block 1 is inserted into the set position in the outer shell 6. Meanwhile, as shown in fig. 1 and 2, the housing 6 is further provided with a second limiting post 64, the sliding block 1 is provided with a limited long hole 12 extending in the left-right direction, the second limiting post 64 penetrates through the limited long hole 12, and two side walls, namely left and right side walls, of the limited long hole 12 in the length direction are used for abutting against the second limiting post 64. When the first position-limiting column 62 is inserted into the position-limited groove 11 in step S22, the second position-limiting column 64 abuts against the left side wall of the position-limited long hole 12, and the sliding block 1 is limited to continue sliding rightward relative to the housing 6. And during the sliding process of the sliding block 1 to the left relative to the shell 6, the second limit column 64 abuts against the right side wall of the limited long hole 12 to limit the sliding block 1 to continue to slide to the left relative to the shell 6. The limiting elastic element 63 in this embodiment is a compression spring.
As shown in fig. 1 to 3, the terminal locking mechanism further includes a terminal positioning block 22 located at an inner end of the adjustable gap 4; in the step S1, during the process of inserting the terminal 5 into the adjustable gap 4, the right end of the terminal 5 abuts against the terminal positioning block 22, so as to ensure that the position of the terminal 5 embedded into the adjustable gap 4 meets the setting requirement. Meanwhile, the slider 1 is provided with a second positioning groove 13, and the terminal positioning block 22 is embedded in the second positioning groove 13. In this embodiment, there are a plurality of adjustable gaps 4, and the adjustable gaps 4 are all square holes. In the process of inserting the terminals 5 into the adjustable gaps 4, the right ends of the terminals 5 are all abutted against the terminal positioning blocks 22, so that the right ends of the terminals 5 are flush. The terminal positioning block 22 can effectively control the height of the terminal 5.
As shown in fig. 2, the method for processing the connector in this embodiment further includes the following steps in sequence:
s4, separating the upper die 8 from the lower die 7, and separating the pressure lever 36 on the upper die 8 from the abutting relation with the main pressing piece 32, namely opening the die; under the action of the elastic return element 34, the main pressing member 32 moves upward until the passive flange 321 of the main pressing member 32 abuts against the pressing plate 33, and at this time, the main pressing member 32 returns to the initial position; meanwhile, the thrust applied to the locking block 2 by the main pressing piece 32 is eliminated, and the terminal 5 returns to the pre-locking state, so that the terminal 5 can be separated from the adjustable gap 4 subsequently;
and S5, taking out the movable module 10 from the lower die 7, placing the movable module 10 on a corresponding demolding mechanism, and utilizing the demolding mechanism and the next mold closing to separate the molded connector from the movable module 10, namely, the terminal 5 from the adjustable gap 4, thereby completing demolding and finishing one machining process.
In conclusion, the present invention effectively overcomes various disadvantages of the prior art and has high industrial utilization value.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and scope of the present invention as defined in the appended claims.

Claims (11)

1. The terminal locking mechanism is characterized by comprising a sliding block (1), a locking block (2) hinged with the sliding block (1) and a pushing assembly (3), wherein an adjustable gap (4) is formed between one end of the locking block (2) and the sliding block (1), the adjustable gap (4) is used for embedding a terminal (5), and the pushing assembly (3) can apply locking force to the locking block (2); the locking block (2) is hinged with the sliding block (1) through a pin shaft (23), and the hinged position is close to the middle part of the locking block (2);
the locking block (2) is positioned below the sliding block (1); the adjustable gap (4) is positioned at the left end of the locking block (2); the pushing assembly (3) comprises a pre-tightening elastic element (31) arranged at the right end of the locking block (2), and two ends of the pre-tightening elastic element (31) are respectively abutted against the locking block (2) and the sliding block (1); the pushing assembly (3) comprises a main pressing piece (32) installed on the shell (6), the main pressing piece (32) can move in the direction of being close to and far away from the locking block (2), the main pressing piece (32) can move in the up-down direction, when the main pressing piece (32) moves in the direction of being close to the locking block (2), the main pressing piece (32) abuts against the right end of the locking block (2) and pushes the locking block (2) to rotate clockwise relative to the sliding block (1), the adjustable gap (4) is further reduced, and the terminal (5) is further locked.
2. The terminal locking mechanism according to claim 1, wherein the other end of the locking block (2) is provided with a first positioning groove (21), and the pre-tightening elastic element (31) is embedded in the first positioning groove (21).
3. The terminal locking mechanism according to claim 1, wherein the housing (6) has a slide groove (61), and the slide block (1) and the locking block (2) are embedded in the slide groove (61).
4. A terminal locking mechanism according to claim 3, wherein the main pressing member (32) is provided with a passive flange (321), one end of the passive flange (321) abuts against a pressing plate (33) mounted on the housing (6), and the other end of the passive flange (321) abuts against a return elastic member (34) mounted on the housing (6).
5. A terminal locking mechanism according to claim 3, wherein the locking block (2) is provided with a locking block flange (24); when the main pressing piece (32) moves towards the direction close to the locking block (2), the main pressing piece (32) pushes the locking block (2) to rotate relative to the sliding block (1) by pushing the locking block flange (24).
6. The terminal locking mechanism according to claim 3, wherein the housing (6) is mounted in a lower mold (7), the pushing assembly (3) further comprises a pressing rod (36) mounted on the upper mold (8), the pressing rod (36) abuts against the main pressing member (32), and the pressing rod (36) can push the main pressing member (32) to move toward the locking block (2).
7. The terminal locking mechanism according to claim 3, wherein the housing (6) is provided with a first limiting post (62) and a limiting elastic element (63) abutting against the first limiting post (62), and the sliding block (1) is provided with a limited groove (11); in the process that the sliding block (1) is embedded into the sliding groove (61), the limiting elastic element (63) pushes the first limiting column (62) to be embedded into the limited groove (11).
8. The terminal locking mechanism according to claim 3, wherein a second limiting post (64) is mounted on the housing (6), the sliding block (1) is provided with a limited long hole (12), the second limiting post (64) passes through the limited long hole (12), and two side walls of the limited long hole (12) in the length direction are used for abutting against the second limiting post (64).
9. The terminal locking mechanism according to claim 1, further comprising a terminal positioning block (22) located at an inner end of the adjustable gap (4), wherein the terminal positioning block (22) is used for abutting against one end of the terminal (5).
10. A mold comprising an upper mold (8) and a lower mold (7), characterized by further comprising a terminal locking mechanism according to any one of claims 1 to 9.
11. A method of manufacturing a connector using a terminal locking mechanism according to any one of claims 1 to 9, the connector including a terminal (5) and a rubber housing, the method comprising the steps of:
s1, inserting a terminal (5) into an adjustable gap (4);
s2, the pushing assembly (3) applies locking force to the locking block (2), the locking block (2) rotates relative to the sliding block (1), the adjustable gap (4) is reduced, and the terminal (5) is locked;
and S3, performing injection molding on the terminal (5) to obtain a rubber shell, and obtaining the connector.
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CN108134302B (en) * 2017-12-04 2020-04-14 深圳市长盈精密技术股份有限公司 Injection molding mechanism of input-output connector and injection molding method thereof
CN108044870A (en) * 2017-12-15 2018-05-18 上海飞乐汽车控制系统有限公司 Retaining mechanism, mold and injection moulding process
CN109262983B (en) * 2018-11-17 2024-04-19 鑫望威科技有限公司 Steering wheel mold capable of being opened transversely and application method
CN109624218B (en) * 2018-11-21 2021-03-30 珠海普瑞斯电力设备有限公司 Mold and injection molding process thereof
CN109639063B (en) * 2018-11-23 2020-07-28 上海电机系统节能工程技术研究中心有限公司 Junction box installation method based on motor intelligent manufacturing
CN109390836B (en) * 2018-11-23 2024-02-13 上海雷迪埃电子有限公司 Assembling tool for bent connector
CN110364914B (en) * 2019-08-20 2024-04-19 东莞市鼎通精密五金股份有限公司 Connecting terminal positioning mechanism of signal connector die device

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