CN210758917U - Connector rubber core forming die - Google Patents

Abstract

The utility model discloses a core forming die is glued to connector belongs to connector production facility technical field. The connector rubber core forming die comprises an upper die plate, a lower die plate, an upper die core, a lower die core and a positioning piece, wherein at least one upper die core is arranged, and the upper die core is embedded in the bottom of the upper die plate. The lower die core is at least one, the lower die core is embedded in the top of the lower die plate, and the upper die core corresponds to the lower die core. An accommodating space capable of accommodating the terminal is formed between one upper die core and the corresponding lower die core, a cavity is formed among the upper die core, the lower die core and the terminal, and the cavity is connected with a flow passage. The positioning piece is configured to position the terminal on the lower die core. The utility model discloses can directly mould plastics the terminal with gluing the core on, avoid the terminal and glue the damage that the core caused when pegging graft to can improve the yields of terminal and gluey core equipment.

Description

Connector rubber core forming die

Technical Field

The utility model relates to a connector production facility technical field especially relates to a core forming die is glued to connector.

Background

In electronic devices, a female connector is an essential component, and in use, the female connector, which is typically a power cord, is plugged into the male connector of the electronic device power supply. In the semi-finished manufacture of the female connector, as shown in fig. 1, the terminal 100 needs to be inserted into the core rubber 200 for assembly, and generally, the core rubber 200 is molded by a mold, and then the terminal 100 is directly inserted into the core rubber 200. When the terminal 100 and the rubber core 200 are assembled in this way, the terminal 100 or the rubber core 200 is easily damaged, and the assembly defect rate is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a core forming die is glued to connector can improve the yields of terminal and gluey core equipment.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a core forming die is glued to connector, includes cope match-plate pattern and the lower bolster that corresponds the setting from top to bottom, and this core forming die is glued to connector still includes:

the upper die core is provided with at least one, and the upper die core is embedded at the bottom of the upper template;

the lower die core is at least one, the lower die core is embedded in the top of the lower template, and one upper die core corresponds to one lower die core; an accommodating space capable of accommodating a terminal is formed between one upper die core and one corresponding lower die core, a cavity is formed among the upper die core, the lower die core and the terminal, and the cavity is connected with a flow passage; and

and the positioning piece is configured to position the terminal on the lower die core.

Preferably, the positioning member includes:

the positioning pins vertically penetrate through the lower die core, and can be matched with the positioning holes in the terminals to position the terminals.

Preferably, the connector rubber core forming die further comprises:

and the discharging rod can vertically penetrate through the lower die core and offset against the rubber core to discharge.

Preferably, the bottom of the upper template is provided with an upper mold groove, and the upper mold core is detachably connected in the upper mold groove through an upper mold edge block.

Preferably, a first step is arranged on the side portion of the upper die core, and the upper die edge block is pressed on the first step and connected with the upper die plate.

Preferably, the top of the lower template is provided with a lower die groove, and the lower die core is detachably connected in the lower die groove through a lower die edge block.

Preferably, a second step is arranged on the side portion of the lower die core, and the lower die edge block is pressed on the second step and connected with the lower die plate.

Preferably, the number of the upper mold cores is two, and each row of the upper mold cores is arranged along the extending direction of one edge of the upper template.

Preferably, this connector rubber core section mould utensil still includes the runner board, the runner board set up in go up the mould benevolence top and connect in the cope match-plate pattern, the runner includes:

the tail end of the main runner penetrates through the upper template and the upper die core and is positioned in the runner plate;

the runner plate is arranged on the cavity, the runner plate is connected with the tail end of the main runner, and the runner is communicated with the cavity.

Preferably, the runner includes first runner, first runner sets up in being listed as go up between the mould benevolence, and be listed as go up the mould benevolence is relative first runner symmetry sets up, the both ends symmetry of first runner be provided with two with first runner intercommunication and vertically second runner, every the both ends symmetry of second runner be provided with two with second runner vertically third runner, the both ends symmetry of third runner be provided with two with the parallel fourth runner of third runner, the both ends of fourth runner are connected with one respectively the die cavity, the cross section of first runner, second runner, third runner, fourth runner reduces in proper order.

The utility model has the advantages that:

the utility model discloses an cope match-plate pattern and lower bolster, it is equipped with mould benevolence to inlay in the cope match-plate pattern bottom, the lower bolster top is inlayed and is equipped with lower mould benevolence, and go up and be provided with the accommodation space who holds the terminal between mould benevolence and the lower mould benevolence, go up mould benevolence, form the die cavity between lower mould benevolence and the terminal, when moulding plastics, can fix a position the terminal on lower mould benevolence through the setting element earlier, mould plastics behind the compound die, can directly mould plastics the terminal with gluing the core, the damage that causes when having avoided the terminal and gluing the core and pegging graft.

Drawings

FIG. 1 is a schematic perspective view of a rubber core and a terminal;

fig. 2 is a schematic front view of a connector rubber core forming mold according to an embodiment of the present invention;

fig. 3 is a schematic structural view of an upper mold core and a lower mold core of a connector rubber core forming mold according to an embodiment of the present invention in a discharging state;

fig. 4 is a schematic structural view of a lower mold core of a connector rubber core forming mold provided by the embodiment of the present invention when a terminal and a rubber core are placed on the lower mold core;

fig. 5 is a schematic perspective view of a lower mold core of a connector rubber core molding mold according to an embodiment of the present invention;

fig. 6 is a schematic perspective view of an upper mold core of a connector rubber core molding mold according to an embodiment of the present invention;

fig. 7 is a schematic bottom view of an upper mold plate of a connector rubber core forming mold according to an embodiment of the present invention;

fig. 8 is a schematic bottom view of an upper plate of the connector rubber core forming mold according to the embodiment of the present invention after the upper mold core is removed;

fig. 9 is a schematic top view of a lower mold plate of a connector rubber core forming mold according to an embodiment of the present invention;

fig. 10 is a schematic top view of the lower mold plate of the connector rubber core molding mold according to the embodiment of the present invention after the lower mold core is removed;

fig. 11 is a schematic structural view of a runner plate of a connector rubber core forming die according to an embodiment of the present invention.

In the figure: 100-terminal, 101-positioning hole, 102-middle material belt, 103-edge material belt and 200-rubber core;

1-lower template, 2-upper template, 3-main runner, 4-runner plate, 41-first sub-runner, 42-second sub-runner, 43-third sub-runner, 44-fourth sub-runner, 5-upper mold edge block, 51-long upper mold edge block, 52-short upper mold edge block, 53-upper stop bar, 6-upper mold core, 61-step groove, 7-lower mold core, 71-positioning pin, 72-step boss, 8-lower mold edge block, 81-long lower mold edge block, 82-short lower mold edge block, 83-lower stop bar, 9-stripper rod.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "secured" are to be construed broadly and encompass, for example, both fixed and removable connections; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may include the first feature being in direct contact with the second feature, or may include the first feature being in direct contact with the second feature but being in contact with the second feature by another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical solution of the present invention will be further explained by the following embodiments with reference to fig. 1 to 11.

In the production of the connector, as shown in fig. 1, the terminal 100 and the core rubber 200 are assembled together. After the rubber core 200 is injection molded by a mold, the rubber core 200 is inserted into the terminal 100, but the rubber core 200 and the terminal 100 are easily damaged in the insertion process, so that the production reject ratio is high.

In order to solve the above problem, this embodiment provides a connector rubber core forming die, as shown in fig. 2 to 6, the connector rubber core forming die includes an upper die plate 2, a lower die plate 1, an upper die core 6, a lower die core 7 and a positioning element, which are correspondingly arranged up and down. Wherein, the upper mold core 6 is provided with at least one, and the upper mold core 6 is embedded at the bottom of the upper template 2. At least one lower mold core 7 is arranged, and the lower mold core 7 is embedded in the top of the lower template 1. One upper mold core 6 corresponds to one lower mold core 7. An accommodating space capable of accommodating the terminal 100 is formed between one upper die core 6 and the corresponding lower die core 7, a cavity is formed among the upper die core 6, the lower die core 7 and the terminal 100, and the cavity is connected with a flow passage.

During the time of moulding plastics, can be earlier fixed a position terminal 100 in lower mould benevolence 7 through the setting element, then the compound die is moulded plastics, pours into a mould in the die cavity through the runner to form the shape of gluing core 200 at the upper and lower two sides of terminal 100, and terminal 100 then imbeds and glues in the core 200, once only has realized the equipment of gluing core 200 and terminal 100, has avoided terminal 100 and has glued core 200 grafting equipment, thereby can improve the yields of terminal 100 and gluey core 200 equipment, has improved production efficiency.

In the above production process, the embodiment of the present invention adopts the positioning element to position the terminal 100 in the lower mold core 7, thereby ensuring that the terminal 100 is stably placed. Specifically, the semi-finished terminal 100 is provided with a plurality of positioning holes 101 at both side edges and a middle portion thereof, respectively. In order to facilitate the positioning of the terminal 100, as shown in fig. 3, the positioning member includes a plurality of positioning pins 71, the positioning pins 71 are vertically disposed through the lower mold core 7, and each positioning pin 71 can cooperate with one of the positioning holes 101 on the terminal 100 to position the terminal 100. More specifically, the upper end of the positioning pin 71 protrudes from the upper surface of the lower mold core 7, and before the plastic core 200 is injection molded, the positioning hole 101 of the terminal 100 is placed corresponding to the positioning pin 71, so that the terminal 100 can be positioned.

The edges of the corresponding end surfaces of the upper mold core 6 and the lower mold core 7 are horizontally arranged, so that the edge material belt 103 of the terminal 100 is positioned between the upper mold core 6 and the lower mold core 7. The middle part of the upper die core 6 is provided with a stepped groove 61, the middle part of the lower die core 7 is provided with a stepped boss 72 corresponding to the stepped groove 61, and the middle material belt 102 on one side of the middle part of the terminal 100 can be located between the stepped groove 61 and the stepped boss 72.

As shown in fig. 2 and 3, in order to facilitate the unloading of the terminal 100 and the core rubber 200 after the injection molding is completed, the connector core rubber molding die further includes an unloading bar 9. The discharging rod 9 can vertically penetrate through the lower mold core 7 and abut against the rubber core 200 for discharging. Particularly, the top of the discharging rod 9 is of an elastic structure, so that the processed rubber core 200 is prevented from being damaged, and the yield of the terminal 100 and the rubber core 200 is improved.

As shown in fig. 7 and 8, an upper mold groove is formed at the bottom of the upper mold plate 2, and the upper mold core 6 is detachably connected to the upper mold groove through the upper mold edge block 5. Specifically, the side of the upper mold core 6 is provided with a first step, and the upper mold edge block 5 is pressed on the first step and connected with the upper mold plate 2. As shown in fig. 7, the upper mold edge block 5 includes a long upper mold edge block 51 and a short upper mold edge block 52, and after the upper mold core 6 is installed in the upper mold groove, the long upper mold edge block 51 and the short upper mold edge block 52 are respectively pressed on the first steps of the adjacent side portions of the upper mold core 6 and then fixed in the upper mold groove by bolts.

For the convenience of installation, the bottom of mould limit piece 51 and mould limit piece 52 on the weak point all is provided with the location strip on the long, has seted up the constant head tank on the first step, and the constant head tank can be gone into to the location strip to can assist foster the location between mould limit piece 51 and mould limit piece 52 respectively and the first step on the weak point, the locking bolt of being convenient for. Preferably, the cross section of location strip and constant head tank is trapezoidal, and the top surface of location strip and the bottom surface of constant head tank all are provided with the sawtooth, and sawtooth between the two can mesh to improve the location effect between the two, avoid causing loosely tightly owing to factors such as vibrations in the use.

As shown in fig. 9 and 10, a lower mold groove is formed at the top of the lower mold plate 1, and the lower mold core 7 is detachably connected to the lower mold groove through a lower mold edge block 8. The lateral part of lower mould benevolence 7 is provided with the second step, and lower mould limit piece 8 is established on the second step of pressure and is connected with lower mould limit piece 8. Specifically, the lower mold edge block 8 includes a long lower mold edge block 81 and a short lower mold edge block 82, and after the lower mold core 7 is installed in the lower mold groove, the long lower mold edge block 81 and the short lower mold edge block 82 are respectively pressed on the second steps of the adjacent side portions of the lower mold core 7 and then fixed in the lower mold groove by bolts.

In this embodiment, in order to improve the processing efficiency, the upper mold cores 6 are provided in plurality, the upper mold cores 6 are provided in two rows, and the upper mold cores 6 in each row are arranged along the extending direction of one edge of the upper mold plate 2. Correspondingly, the number of the lower mold cores 7 is multiple, and the multiple lower mold cores 7 and the multiple upper mold cores 6 are arranged in a one-to-one correspondence manner. It is understood that one row of upper mold cores 6 corresponds to one row of lower mold cores 7, and one upper mold core 6 and one lower mold core 7 of each row are used correspondingly.

As shown in fig. 7-10, in order to fix the two rows of upper mold cores 6 and the two rows of lower mold cores 7, the upper mold edge block 5 further includes an upper barrier 53 disposed between the two rows of upper mold cores 6, and the upper barrier 53 separates the two rows of upper mold cores 6 and is fixed to the first steps of the two rows of upper mold cores 6. Correspondingly, the lower mold edge block 8 further includes a lower barrier strip 83 disposed between the two rows of lower mold cores 7, and the lower barrier strip 83 separates the two rows of lower mold cores 7 and is fixed to the second steps of the two rows of lower mold cores 7. Therefore, the upper die core 6 and the lower die core 7 can be conveniently fixed, and are fixed in a row at one time, so that the consistency is better, and the fixation is more stable and reliable.

As shown in fig. 11, the mold for connector rubber core further includes a runner plate 4, and the runner plate 4 can cooperate with the upper mold edge block 5 to fix the upper mold core 6. The runner plate 4 is arranged on the top of the upper mold core 6 and connected to the upper mold plate 2, the runner comprises a main runner 3 and a sub-runner, and the tail end of the main runner 3 is positioned in the runner plate 4 after passing through the upper mold plate 2 and the upper mold core 6. The sub-runners are arranged on the runner plate 4 and connected to the tail end of the main runner 3, and the sub-runners are communicated with the cavity.

Specifically, the branch flow channel includes a first branch flow channel 41, the first branch flow channel 41 is disposed between two rows of upper mold cores 6, and two rows of upper mold cores 6 are symmetrically disposed with respect to the first branch flow channel 41, two perpendicular second branch flow channels 42 communicated with the first branch flow channel 41 are symmetrically disposed at two ends of the first branch flow channel 41, two perpendicular third branch flow channels 43 perpendicular to the second branch flow channels 42 are symmetrically disposed at two ends of each second branch flow channel 42, two parallel fourth branch flow channels 44 with the third branch flow channels 43 are symmetrically disposed at two ends of each third branch flow channel 43, two ends of each fourth branch flow channel 44 are respectively connected with a cavity, cross sections of the first branch flow channel 41, the second branch flow channels 42, the third branch flow channels 43, and the fourth branch flow channels 44 are sequentially. The setting of subchannel not only can dock a plurality of above-mentioned die cavities through a sprue 3 to guarantee the uniformity of every die cavity pouring, thereby reduced sprue 3's quantity through the subchannel, reduced the processing degree of difficulty and simplified the structure, the sprue can make the smooth and easy inflow die cavity of plastic simultaneously, reduces the backward flow of plastic, has improved the shaping quality who glues core 200.

The utility model discloses a core mould is glued to connector is when using, fixes a position terminal 100 on lower mould benevolence 7 earlier, then the compound die for form the die cavity between upper mould benevolence 6, lower mould benevolence 7 and terminal 100, then can the gluey core 200 of injection moulding, glue the core 200 and can directly mould plastics on terminal 100, cause the damage when avoiding pegging graft the equipment, can improve the yields, and can a plurality of gluey cores 200 of simultaneous moulding, improved production efficiency.

The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.

Claims (10)

1. The utility model provides a core forming die is glued to connector, includes cope match-plate pattern (2) and lower bolster (1) that correspond the setting from top to bottom, its characterized in that, this core forming die is glued to connector still includes:

at least one upper die core (6), wherein the upper die core (6) is embedded at the bottom of the upper template (2);

the upper die core (6) corresponds to one lower die core (7), at least one lower die core (7) is arranged, the lower die core (7) is embedded in the top of the lower template (1), and one upper die core (6) corresponds to one lower die core (7); an accommodating space capable of accommodating a terminal (100) is formed between one upper die core (6) and the corresponding lower die core (7), a cavity is formed among the upper die core (6), the lower die core (7) and the terminal (100), and the cavity is connected with a flow channel; and

a positioning member configured to position a terminal (100) at the lower core (7).

2. The connector rubber core forming die according to claim 1, wherein the positioning member comprises:

the positioning pins (71) vertically penetrate through the lower die core (7), and the positioning pins (71) can be matched with positioning holes (101) in the terminals (100) to position the terminals (100).

3. The mold for molding a connector plastic core according to claim 1, further comprising:

and the discharging rod (9), the discharging rod (9) can vertically penetrate through the lower die core (7) and abut against the rubber core (200) to discharge.

4. The connector rubber core forming die according to claim 1, wherein an upper die groove is formed in the bottom of the upper die plate (2), and the upper die core (6) is detachably connected to the upper die groove through an upper die edge block (5).

5. The connector rubber core forming die according to claim 4, wherein a first step is arranged on the side of the upper die core (6), and the upper die edge block (5) is pressed on the first step and connected with the upper die plate (2).

6. The connector rubber core forming die as claimed in claim 1, wherein a lower die groove is formed in the top of the lower template (1), and the lower die core (7) is detachably connected to the lower die groove through a lower die edge block (8).

7. The connector rubber core forming die according to claim 6, wherein a second step is arranged on the side of the lower die core (7), and the lower die edge block (8) is pressed on the second step and connected with the lower template (1).

8. The connector rubber core forming die according to any one of claims 1 to 7, wherein a plurality of upper die cores (6) are provided, the plurality of upper die cores (6) are provided in two rows, and each row of upper die cores (6) is arranged along the extending direction of one edge of the upper template (2).

9. The mold for molding connector plastic core according to claim 8, further comprising a runner plate (4), wherein the runner plate (4) is disposed on top of the upper mold core (6) and connected to the upper mold plate (2), and the runner comprises:

the main runner (3) penetrates through the upper template (2) and the upper die core (6), and the tail end of the main runner (3) is positioned in the runner plate (4);

the runner is arranged on the runner plate (4) and connected to the tail end of the main runner (3), and the runner is communicated with the cavity.

10. The connector rubber core forming mold according to claim 9, wherein the branch flow channel comprises a first branch flow channel (41), the first branch flow channel (41) is disposed between two rows of the upper mold cores (6), the two rows of the upper mold cores (6) are symmetrically disposed relative to the first branch flow channel (41), two second branch flow channels (42) which are communicated with and perpendicular to the first branch flow channel (41) are symmetrically disposed at two ends of the first branch flow channel (41), two third branch flow channels (43) which are perpendicular to the second branch flow channels (42) are symmetrically disposed at two ends of each of the second branch flow channels (42), two fourth branch flow channels (44) which are parallel to the third branch flow channels (43) are symmetrically disposed at two ends of the third branch flow channels (43), two ends of each of the fourth branch flow channels (44) are respectively connected with one of the mold cavities, the cross sections of the first sub-runner (41), the second sub-runner (42), the third sub-runner (43) and the fourth sub-runner (44) are reduced in sequence.

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