CN219040806U - Double-row terminal clamping device for connector injection molding - Google Patents

Abstract

The utility model discloses a double-row terminal clamping device for connector injection molding, which comprises a bracket, a pair of clamping assemblies which are vertically opposite and are rotatably arranged on the bracket, and a double-opening assembly which is movably arranged on the bracket front and back; the clamping assemblies comprise a bottom plate and a clamping plate, a clamping groove is formed in the front part between the bottom plate and the clamping plate, and an elastic piece for enabling the clamping groove to keep a clamping state is arranged at the rear part between the bottom plate and the clamping plate; a button for opening the clamping groove is arranged on the clamping plate; the double-opening assembly is provided with a horn-type opening limiting groove which limits the tail part of the clamping assembly from top to bottom, and the opening size of the horn-type opening limiting groove is gradually reduced from front to back. The clamping device can meet the clamping requirements of row-by-row insertion of the double-row terminals and synchronous release of the double-row terminals, is used for feeding the terminals before injection molding of the connector, and is beneficial to improving injection molding efficiency.

Description

Double-row terminal clamping device for connector injection molding

Technical Field

The utility model belongs to the technical field of connector manufacturing, and particularly relates to a double-row terminal clamping device for connector injection molding.

Background

A connector is an indispensable component for realizing electrical connection of two electronic components or two electrical devices. The connector generally comprises a plastic part and a metal terminal, the plastic part and the metal terminal are often formed into an integral structure by Insert molding, and the connector generally adopts double rows of terminals to realize large-current signal transmission of multiple signal terminals. In injection molding, the metal terminal is generally cut into independent single forms by a cutting structure in the form of a continuous material belt, and then inserted into an injection mold for injection molding to obtain a plastic terminal main body.

In the prior art, after the metal terminals are cut, the metal terminals are manually inserted into the injection mold one by one, so that the efficiency is extremely low. Therefore, the company intends to develop a terminal clamp to clamp a plurality of terminals, then utilizes the clamp to put the whole terminals into an injection mold according to a set interval, and releases the terminals to remain in the mold, so as to improve the efficiency of terminal injection molding and feeding.

To achieve the above object, it is easy to clamp a single-row terminal, but if only a single-row terminal is clamped and inserted, two terminal insertion actions are required to be performed in one injection molding acupoint of a connector, so many injection molding acupoints in one injection mold are required to be performed many times, and fatigue is easily caused to personnel.

For clamping of double-row terminals, on one hand, because the interval between the upper row of terminals and the lower row of terminals is very small, and on the other hand, because the terminal material strip is cut and is cut by single row of supplies, the double-row terminals can not be cut and inserted into the clamp simultaneously, and therefore, the terminal insertion can only be single-row one-by-one insertion for the clamp of the double-row terminals. However, the corresponding clamping structure needs to be in an open state before a row of terminals is inserted into the clamp, and the corresponding clamping structure remains in a clamped state after a first row of terminals is inserted into the clamp; then another row of terminals is inserted, before the other row of terminals is inserted, the corresponding clamping structure is in an open state, the clamping structure which is clamped with the terminals before is in a clamping state, after the second row of terminals are inserted, the terminals are clamped, the terminals can be put into the injection mold together, the two clamping structures are switched to an open state together, and the terminals are released to be reserved in the injection mold.

At present, there is no clamping mechanism for satisfying the above-mentioned operation requirement, and therefore, it is necessary to provide a new double-row terminal clamping device for injection molding of connectors to solve the above-mentioned technical problems.

Disclosure of Invention

The utility model mainly aims to provide a double-row terminal clamping device for connector injection molding, which can meet the clamping requirements of row-by-row insertion of double-row terminals and synchronous release of the double-row terminals, is used for feeding the terminals before connector injection molding, and is beneficial to improving injection molding efficiency.

In order to achieve the above purpose, the technical scheme of the utility model is as follows: a double-row terminal clamping device for connector injection molding comprises a bracket, a pair of clamping assemblies which are vertically opposite and are rotatably arranged on the bracket, and a double-opening assembly which is movably arranged on the bracket in the front-back direction; the clamping assemblies comprise a bottom plate and a clamping plate, a clamping groove is formed in the front part between the bottom plate and the clamping plate, and an elastic piece for enabling the clamping groove to keep a clamping state is arranged at the rear part between the bottom plate and the clamping plate; a button for opening the clamping groove is arranged on the clamping plate; the double-opening assembly is provided with a horn-type opening limiting groove which limits the tail part of the clamping assembly from top to bottom, and the opening size of the horn-type opening limiting groove is gradually reduced from front to back.

Further, the clamping assembly comprises a first clamping assembly and a second clamping assembly, and the first clamping assembly and the second clamping assembly are arranged on the support in an up-down opposite mode.

Further, the first clamping assembly comprises a first bottom plate and a first clamping plate which are rotatably arranged on the bracket, a first clamping groove is formed by the first bottom plate and the front part of the first clamping plate in a surrounding mode, and a first spring which enables the first clamping groove to keep a clamping state is arranged between the first bottom plate and the second clamping plate and close to the tail part; the outer surface of the first clamping plate is provided with a first button for driving the first clamping groove to open.

Further, the second clamping assembly comprises a second bottom plate and a second clamping plate which are rotatably arranged on the bracket, a second clamping groove is formed by surrounding the front parts of the second bottom plate and the second clamping plate together, and a second spring which enables the second clamping groove to keep a clamping state is arranged between the second bottom plate and the second clamping plate and close to the tail part; the outer surface of the second clamping plate is provided with a second button for driving the second clamping groove to open.

Further, a third spring is arranged between the first clamping assembly and the second clamping assembly and close to the front position.

Further, the horn-shaped opening limiting groove comprises a first limiting groove for limiting the tail space between the first bottom plate and the first clamping plate and a second limiting groove for limiting the tail space between the second bottom plate and the second clamping plate; the first limit groove and the second limit groove are horn opening structures with open front sides, and the opening sizes of the first limit groove and the second limit groove are gradually reduced from front to back.

Further, the double-opening assembly is movably arranged at the tail part of the bracket back and forth and comprises a double-opening driving block and a third button arranged at the tail part of the double-opening driving block.

Further, the double-opening driving block sequentially comprises a first limiting plate, a second limiting plate and a third limiting plate from top to bottom, wherein a first limiting groove is formed between the first limiting plate and the second limiting plate, and a second limiting groove is formed between the second limiting plate and the third limiting plate; the first limiting plate is pressed on the first clamping plate; the second limiting plate extends into the space between the first bottom plate and the second bottom plate and abuts against the lower surface of the first bottom plate and the upper surface of the second bottom plate; the third limiting plate props against the lower surface of the second clamping plate.

Further, the double-opening assembly further comprises a fourth spring for pushing the third button backwards to maintain the disabled state.

Further, a limiting stop bar for limiting the interval between the terminals in the same row is arranged on the inner wall surface of one side of the clamping groove, and a third limiting groove is formed between two adjacent limiting stop bars; the other opposite side inner wall surface of the clamping groove is provided with pressing strips which are opposite to the third limiting grooves one by one; and a blocking block for limiting the insertion depth of the terminal is further arranged in the clamping groove.

Compared with the prior art, the double-row terminal clamping device for the injection molding of the connector has the following main beneficial effects: through ingenious anchor clamps structural design, can realize two clamping components's independent centre gripping control, also can realize two clamping components's synchronous opening, satisfied the clamping demand of the synchronous release of double terminal of row by row inserting and double terminal, can once only clip two rows of terminals and put into injection mold with this clamping device, realize the quick material loading of connector injection molding front terminal, can improve the injection molding efficiency of connector plastic terminal main part greatly.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of the present utility model;

FIG. 2 is a schematic diagram of an exploded structure of an embodiment of the present utility model;

FIG. 3 is a schematic view of an exploded view of a first clamping assembly according to an embodiment of the present utility model;

FIG. 4 is a schematic view of an exploded view of a second clamping assembly according to an embodiment of the present utility model;

FIG. 5 is a schematic side view of a hidden bracket according to an embodiment of the present utility model;

the figures represent the numbers:

100-double-row terminal clamping device for injection molding of connectors; 101-terminals;

1-a bracket; 2-first clamping components, 21-first rotating shafts, 22-first bottom plates, 23-first clamping plates, 24-first clamping grooves, 241-limit stop bars, 242-third limit grooves, 243-pressing strips, 244-stop blocks, 25-first springs, 26-first buttons and 27-pressing rods; 3-second clamping assembly, 31-second rotating shaft, 32-second bottom plate, 33-second clamping plate, 34-second clamping groove, 35-second spring, 36-second button; 4-double-opening components, 41-double-opening driving blocks, 411-first limit grooves, 412-second limit grooves, 413-first limit plates, 414-second limit plates, 415-third limit plates, 42-third buttons and 43-fourth springs; 5-third spring.

Detailed Description

Embodiment one:

referring to fig. 1-5, the present embodiment is a double-row terminal clamping device 100 for injection molding of a connector, which includes a bracket 1, a first clamping assembly 2 and a second clamping assembly 3 which are vertically opposite and rotatably disposed on the bracket 1, and a double-opening assembly 4 horizontally floating on the bracket 1.

The first clamping component 2 and the second clamping component 3 have the same structure and are arranged on the bracket 1 in an up-down symmetrical mode.

The first clamping assembly 2 comprises a first bottom plate 22 and a first clamping plate 23 which are rotatably arranged on the bracket 1 through a first rotating shaft 21, a first clamping groove 24 is formed by surrounding the front parts of the first bottom plate 22 and the first clamping plate 23 together, a first spring 25 is arranged between the first bottom plate 22 and the second clamping plate 23 and close to the tail part, and under the action of the first spring 25, the front parts of the first bottom plate 22 and the second clamping plate 23 are close to each other to keep a clamping state.

The first button 26 for driving the first clamping assembly 2 to open is provided on the outer surface of the first clamping plate 23, and the tail portions of the first bottom plate 22 and the second clamping plate 23 are pressed by pressing the first button 26, so that the front portions of the first bottom plate 22 and the second clamping plate 23 are opened and switched to an open state.

When the whole single-row terminal is required to be inserted into the first clamping groove 24, the first clamping groove 24 is only required to be opened by pressing the first button 26, after the terminal is installed, the first button 26 is loosened, and the first clamping groove 24 is restored to a clamping state under the action of the first spring 25, so that the terminal is automatically clamped.

The second clamping assembly 3 comprises a second bottom plate 32 and a second clamping plate 33 which are rotatably arranged on the bracket 1 through a second rotating shaft 31, a second clamping groove 34 is formed by encircling the front parts of the second bottom plate 32 and the second clamping plate 33 together, a second spring 35 is arranged between the second bottom plate 32 and the second clamping plate 33 and close to the tail part, and the front parts of the second bottom plate 32 and the second clamping plate 33 are kept close to each other under the action of the second spring 35 so as to keep a clamping state.

A second button 36 for driving the second clamping assembly 3 to open is provided on the outer surface of the second clamping plate 33, and the second bottom plate 32 and the rear portion of the second clamping plate 33 are pressed by pressing the second button 36, so that the front portions of the second bottom plate 32 and the second clamping plate 33 are opened and switched to an open state.

When the whole single-row terminal is required to be inserted into the second clamping groove 34, the second clamping groove 34 is only required to be opened by pressing the second button 36, the second button 36 is loosened after the terminal is installed, and the second clamping groove 34 is restored to a clamping state under the action of the second spring 35, so that the terminal is automatically clamped.

A third spring 5 is arranged between the first clamping component 2 and the second clamping component 3 near the front position, and one side of the third spring upwards presses the first bottom plate 22 so that the first bottom plate 22 and the first clamping plate 23 keep a normal clamping state; on the other hand, the second bottom plate 32 is pressed downward so that the second bottom plate 32 and the second clamping plate 33 maintain a normally clamped state; the space between the first clamping groove 24 and the second clamping groove 34 is kept on the other hand, so that the space between the upper row of terminals and the lower row of terminals is ensured to meet the requirement after the double rows of terminals are inserted into the corresponding clamping grooves, and the double rows of terminals can be smoothly inserted into the injection mold at one time.

The double-opening assembly 4 is movably arranged at the tail part of the bracket 1 back and forth, and comprises a double-opening driving block 41 and a third button 42 arranged at the tail part of the double-opening driving block 41, and the double-opening driving block 41 is provided with a first limit slot 411 for limiting the tail space between the first bottom plate 22 and the first clamping plate 23 and a second limit slot 412 for limiting the tail space between the second bottom plate 32 and the second clamping plate 33. The double-opening driving block 41 sequentially comprises a first limiting plate 413, a second limiting plate 414 and a third limiting plate 415 from top to bottom, wherein a first limiting groove 411 is formed between the first limiting plate 413 and the second limiting plate 414, and a second limiting groove 412 is formed between the second limiting plate 414 and the third limiting plate 415. The first limiting slot 411 and the second limiting slot 412 are horn opening structures with open front sides, and the opening sizes gradually decrease from front to back.

The first limiting plate 413 is pressed on the first clamping plate 23; the second limiting plate 414 extends between the first bottom plate 22 and the second bottom plate 32 and abuts against the lower surface of the first bottom plate 22 and the upper surface of the second bottom plate 32; the third limiting plate 415 abuts against the lower surface of the second clamping plate 33.

The double opening assembly 4 further includes a fourth spring 43 that holds the third button 42 back in an inactive state. In the initial state, the double-opening driving block 41 in the double-opening assembly 4 is at a rear position under the action of the fourth spring 43, and keeps a disabled state (i.e. an inactive state), when the third button 42 is pushed forward, the double-opening driving block 41 is pushed forward, and under the action of the first limiting slot 411 and the second limiting slot 412, the tail parts of the first bottom plate 22 and the first clamping plate 23 are extruded up and down, so that the first clamping slot 24 is in an open state, and meanwhile, the tail parts of the second bottom plate 32 and the second clamping plate 33 are also extruded up and down, so that the second clamping slot 34 is also in an open state, and simultaneous release of double-row terminals is realized.

In the first clamping groove 24 and the second clamping groove 34, a limiting stop bar 241 for limiting the interval between the terminals in the same row is arranged on one side inner wall surface (such as the groove bottom surface), a third limiting groove 242 is formed between two adjacent limiting stop bars 241, and a protruding structure for enhancing the clamping force on the terminals is also arranged in the third limiting groove 242; the other opposite side inner wall surface (such as the groove top surface) is provided with pressing strips 243 which are opposite to the third limiting grooves 242 one by one and are used for pressing the terminals inserted into the third limiting grooves 242, so that the stability and the position accuracy of the positions of the terminals are maintained. The first clamping groove 24 and the second clamping groove 34 are also provided therein with a blocking block 244 that limits the insertion depth of the terminal. In this embodiment, the clamping plate or the bottom plate is provided with a pressing rod 27 parallel to the rotating shaft, and the circumferential surface of the pressing rod 27 protrudes out of the surface of the third limiting groove 242 to form the protruding structure.

In use, the clamping device 100 of the present embodiment can be placed on a set positioning mechanism, the first clamping assembly 2 is placed on the first button 26, the first clamping groove 24 is opened, a row of cut terminals is inserted into the first clamping groove 24 (the row of terminals 101 can be integrally pushed into the first clamping groove 24 in a pushing manner here), after the first clamping assembly 2 is inserted into place, the first button 26 is released, and the first clamping assembly 2 clamps the first row of terminals; then, the clamping device 100 is turned over, so that the second clamping assembly 3 is arranged on the upper side, the second button 36 is pressed, the second clamping groove 34 is opened, the cut terminal 101 of the other row is inserted into the second clamping groove 34, after the cut terminal 101 of the other row is inserted into place, the second button 36 is loosened, and the second clamping assembly 3 clamps the terminal of the second row; the clamping device 100 is taken out, the two rows of terminals of the carrier are moved into the injection mold, the two rows of terminals are inserted into the injection mold in alignment with the jacks, then the third button 42 is pressed, the first clamping groove 24 and the second clamping groove 34 are opened, the first row of terminals and the second row of terminals are released to be kept in the injection mold, the clamping device 100 is taken out, and the feeding before the double rows of terminals are injection molded is completed.

Although the embodiments of the present utility model are described above, the embodiments are only used for facilitating understanding of the present utility model, and are not intended to limit the present utility model. Any person skilled in the art can make any modification and variation in form and detail without departing from the spirit and scope of the present disclosure, but the scope of the present disclosure is to be determined by the appended claims.

Claims (10)

1. A double-row terminal clamping device for connector injection molding is characterized in that: the device comprises a bracket, a pair of clamping assemblies which are vertically opposite and are rotatably arranged on the bracket, and a double-opening assembly which is movably arranged on the bracket back and forth; the clamping assemblies comprise a bottom plate and a clamping plate, a clamping groove is formed in the front part between the bottom plate and the clamping plate, and an elastic piece for enabling the clamping groove to keep a clamping state is arranged at the rear part between the bottom plate and the clamping plate; a button for opening the clamping groove is arranged on the clamping plate; the double-opening assembly is provided with a horn-type opening limiting groove which limits the tail part of the clamping assembly from top to bottom, and the opening size of the horn-type opening limiting groove is gradually reduced from front to back.

2. The double row terminal clamping device for injection molding of a connector as claimed in claim 1, wherein: the clamping assembly comprises a first clamping assembly and a second clamping assembly, and the first clamping assembly and the second clamping assembly are arranged on the support in an up-down opposite mode.

3. The double row terminal holding device for injection molding of a connector according to claim 2, wherein: the first clamping assembly comprises a first bottom plate and a first clamping plate which are rotatably arranged on the bracket, a first clamping groove is formed by the first bottom plate and the front part of the first clamping plate in a surrounding mode, and a first spring which enables the first clamping groove to keep a clamping state is arranged between the first bottom plate and the first clamping plate and close to the tail part; the outer surface of the first clamping plate is provided with a first button for driving the first clamping groove to open.

4. The double row terminal clamping device for injection molding of a connector as claimed in claim 3, wherein: the second clamping assembly comprises a second bottom plate and a second clamping plate which are rotatably arranged on the bracket, a second clamping groove is formed by the second bottom plate and the front part of the second clamping plate in a surrounding mode, and a second spring which enables the second clamping groove to keep a clamping state is arranged between the second bottom plate and the second clamping plate and close to the tail part; the outer surface of the second clamping plate is provided with a second button for driving the second clamping groove to open.

5. The double row terminal clamping device for injection molding of a connector as claimed in claim 1, wherein: and a third spring is arranged between the pair of clamping assemblies and close to the front position.

6. The double row terminal clamping device for injection molding of a connector as claimed in claim 4, wherein: the horn-shaped opening limit groove comprises a first limit groove for limiting the tail space between the first bottom plate and the first clamping plate and a second limit groove for limiting the tail space between the second bottom plate and the second clamping plate; the first limit groove and the second limit groove are horn opening structures with open front sides, and the opening sizes of the first limit groove and the second limit groove are gradually reduced from front to back.

7. The double row terminal clamping device for injection molding of a connector as claimed in claim 6, wherein: the double-opening assembly is movably arranged at the tail part of the bracket back and forth and comprises a double-opening driving block and a third button arranged at the tail part of the double-opening driving block.

8. The double row terminal clamping device for injection molding of a connector as claimed in claim 7, wherein: the double-opening driving block sequentially comprises a first limiting plate, a second limiting plate and a third limiting plate from top to bottom, wherein a first limiting groove is formed between the first limiting plate and the second limiting plate, and a second limiting groove is formed between the second limiting plate and the third limiting plate; the first limiting plate is pressed on the first clamping plate; the second limiting plate extends into the space between the first bottom plate and the second bottom plate and abuts against the lower surface of the first bottom plate and the upper surface of the second bottom plate; the third limiting plate props against the lower surface of the second clamping plate.

9. The double row terminal clamping device for injection molding of a connector as claimed in claim 7, wherein: the double-opening assembly further includes a fourth spring that holds the third button back in an disabled state.

10. The double row terminal clamping device for injection molding of a connector as claimed in claim 1, wherein: a limiting stop bar for limiting the interval between the terminals in the same row is arranged on the inner wall surface of one side of the clamping groove, and a third limiting groove is formed between two adjacent limiting stop bars; the other opposite side inner wall surface of the clamping groove is provided with pressing strips which are opposite to the third limiting grooves one by one; and a blocking block for limiting the insertion depth of the terminal is further arranged in the clamping groove.

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