CN109119868B

CN109119868B - Connector packaging mold

Info

Publication number: CN109119868B
Application number: CN201710488547.4A
Authority: CN
Inventors: 焦宏涛; 焦志刚; 王兴
Original assignee: China Aviation Optical Electrical Technology Co Ltd
Current assignee: China Aviation Optical Electrical Technology Co Ltd
Priority date: 2017-06-23
Filing date: 2017-06-23
Publication date: 2021-06-04
Anticipated expiration: 2037-06-23
Also published as: CN109119868A

Abstract

The invention relates to a connector packaging mold in the field of connectors, which comprises an upper mold and a lower mold, wherein the upper mold comprises an upper mold plate, the lower mold comprises a lower mold plate, the upper mold plate and the lower mold plate are respectively provided with a connector clamping part, a cable clamping part, a cylinder forming part and a net tail forming part, at least one of the connector clamping part, the cable clamping part, the cylinder forming part and the net tail forming part is formed by a replaceable block which is arranged separately from the upper mold plate and the lower mold plate, and the replaceable block is detachably connected with the upper mold plate and the lower mold plate. When different products with similar structures and sizes need to be packaged, only corresponding replaceable blocks on the upper template and the lower template need to be replaced; compared with the prior art, the method has the advantages that excessive molds do not need to be prepared, and the manufacturing cost of the molds is reduced.

Description

Connector packaging mold

Technical Field

The invention relates to a connector packaging mold for packaging a connector and a connector cable in the field of connectors.

Background

The connector packaging process is to realize injection molding connection between the connector and the connector cable through mold injection molding. The connector packaging structure, as shown in fig. 1, includes a connector 1 and a cable 2, a packaging structure 3 is formed at a connection position of the connector 1 and the cable 2 through a packaging process, and the packaging structure 3 includes a cylinder portion 31 close to the connector 1 and a net tail portion 32 arranged at the tail of the cylinder portion; the outer wall of the cylindrical portion 31 is also generally provided with an arrow mark 33. The existing packaging mold comprises an upper mold and a lower mold, wherein an upper mold plate is arranged on the upper mold, a lower mold plate is arranged on the lower mold, a connector 1 and a cable 2 need to be fixed before injection molding, and a connector clamping structure for clamping the connector 1, a cable clamping structure for clamping the cable 2, a cylinder cavity for enclosing a cylinder part cavity and a net tail cavity for enclosing a net tail part cavity are respectively arranged on the upper mold plate and the lower mold plate; the clamping structures and the cavity structures are directly arranged on the upper template and the lower template.

As product performance improves, some connector products come in closer shapes and sizes, and the difference between the two may be only a change in connector size or cable diameter; when different products with the structures and the sizes close to each other are packaged, the existing packaging mold is of an integrated structure, and the connector product cannot be used for the same packaging mold due to small change of the structure or the size of the connector product, so that the mold needs to be proposed again, and the processing cost of the mold is increased.

Disclosure of Invention

The invention aims to provide a connector packaging mold, which is used for solving the problem that the manufacturing cost of the mold is increased because more molds need to be manufactured for products with similar structures in the conventional connector packaging mold.

In order to achieve the purpose, the technical scheme of the connector packaging mold is as follows: the connector packaging mold comprises an upper mold and a lower mold, wherein the upper mold comprises an upper mold plate, the lower mold comprises a lower mold plate, the upper mold plate and the lower mold plate are respectively provided with a connector clamping part, a cable clamping part, a cylinder forming part and a net tail forming part, at least one of the connector clamping part, the cable clamping part, the cylinder forming part and the net tail forming part is formed by a replaceable block which is arranged separately from the upper mold plate and the lower mold plate, and the replaceable block is detachably connected with the upper mold plate and the lower mold plate.

The replaceable block comprises a positioning block for clamping the connector, a clamping block for clamping the cable and a molding block for enclosing a net tail part on the packaging structure; and a cylinder cavity for enclosing a cylinder part on the packaging structure is arranged between the positioning block and the forming block on the upper template and the lower template.

And the upper template and the lower template are respectively provided with a sinking groove which is in one-to-one correspondence with the positioning block, the line pressing block and the forming block and is used for embedding and installing the corresponding blocks.

The connector packaging mold comprises a positioning insert for circumferentially positioning the connector, the positioning insert is provided with a column body for being connected with the upper mold and the lower mold, and a rotation stopping structure which is used for inserting the connector and is matched with the connector in a rotation stopping manner along the circumferential direction of the connector is arranged on the column body.

The side wall of the column body of the positioning insert is provided with a ring sleeve perpendicular to the column body, the side wall of the ring sleeve is provided with more than two fractures, and the ring sleeve forms the rotation stopping structure.

And the positioning block is provided with a positioning groove which is matched with the outer wall of the connector and is used for compressing the connector.

And the positioning block is provided with a stretching arm which stretches out of the corresponding upper template or lower template along the width direction of the positioning groove and is used for a user to apply force.

The cable pressing block is provided with an arc-shaped cable pressing groove used for pressing a cable tightly, and the groove top edge of the arc-shaped cable pressing groove is an inclined edge which gradually increases the interval between the groove top edges of the two cable pressing grooves in the direction away from the forming block along the axis of the cable pressing groove.

And two runner cavities which are used for forming two injection molding runners communicated with the net tail cavity with the corresponding forming block are respectively arranged on the forming block on the radial two sides of the net tail cavity.

The invention has the beneficial effects that: at least one of the four parts of each template on the connector packaging mold is formed by a replaceable block which is arranged separately from the template; when different products with similar structures and sizes need to be packaged, only the corresponding replaceable blocks need to be replaced; compared with the prior art, the manufacturing cost of the die is reduced without preparing excessive dies, the replacement efficiency of the replacement block is higher, and the packaging efficiency is higher.

Further, the connector packaging mold comprises a positioning insert, and a rotation stopping structure which is used for inserting the connector and is matched with the connector in a rotation stopping manner is arranged on the positioning insert; the circumferential position of the connector in the positioning block is aligned through the rotation stopping structure, so that the connector corresponds to the positions of the identification structures on the cylinder forming parts on the upper die and the lower die.

Furthermore, the two wire pressing blocks move oppositely in the packaging process so as to clamp and fix the cable between the two wire pressing blocks, the parts, close to the forming blocks, of the top edges of the two wire pressing grooves form sealing relative to the forming blocks, and the parts, far away from the forming blocks, of the two wire pressing grooves are mutually isolated so as to give way for the deformation of the cable.

Drawings

FIG. 1 is a schematic diagram of a connector package structure on a connector product;

FIG. 2 is a schematic structural diagram of a specific embodiment of a connector packaging mold according to the present invention in a use state;

FIG. 3 is a schematic structural diagram of the positioning block in FIG. 2;

FIG. 4 is a schematic structural diagram of the wire pressing block in FIG. 2;

FIG. 5 is a schematic structural view of the forming block of FIG. 2;

fig. 6 is a schematic view of the positioning insert of fig. 2.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings.

The specific embodiment of the connector packaging mold disclosed by the invention, as shown in fig. 2 to 6, comprises an upper mold and a lower mold, wherein the upper mold comprises an upper template 11, the lower mold comprises a lower template 12, and two positioning blocks 4 for clamping a connector and two wire pressing blocks 5 for clamping a cable on the connector are arranged between the upper template 11 and the lower template 12.

Two forming blocks 6 are arranged between the positioning block 4 and the line pressing block 5, and a net tail cavity forming a net tail structure on the packaging structure is arranged on the two forming blocks 6; and a cylinder cavity for forming a cylinder part on the packaging structure is arranged between the positioning block 4 and the molding block 6 on the upper template 11 and the lower template 12.

The connector packaging mold further comprises a positioning insert 7 arranged on the side, facing away from the molding block 6, of the positioning block 4 and used for positioning the circumferential position of the connector in the positioning block 4. The upper template 11 and the lower template 12 are respectively provided with a sinking groove for embedding and installing the positioning block 4, the line pressing block 5 and the forming block 6.

The positioning block 4 comprises an upper positioning block and a lower positioning block, positioning grooves 41 matched with the outer wall of the connector are respectively arranged on the top surface of the upper positioning block and the bottom surface of the lower positioning block, and each positioning block 4 is detachably connected with the corresponding die through a bolt connecting hole 42 in the positioning block 4.

The notch of the front side part of the positioning groove 41 is an annular step structure 43 matched with the outlet end of the connector; each positioning block 4 is further provided with two extending arms 44 extending along the groove width direction of the positioning groove 41, and the two extending arms 44 are used for a user to apply force when the positioning block is replaced; the projecting arm 44 is detachably connected to the positioning block 4.

The forming block 6 comprises an upper forming block and a lower forming block, and a net tail cavity 61 which is used for enclosing a cavity corresponding to a net tail structure on the packaging structure when the two forming blocks 6 are buckled oppositely is respectively arranged on the bottom surface of the upper forming block and the top surface of the lower forming block.

Two clamping plates 62 used for clamping cables in the net tail cavity 61 are arranged in each net tail cavity 61 in parallel at intervals in the axial direction of the net tail cavity, and each clamping plate 62 is provided with an arc-shaped pressure groove. And a runner cavity 63 which is communicated with the net tail cavity 43 and is used for forming a runner channel for injection molding when the two forming blocks 6 are buckled is respectively arranged on the two radial sides of the net tail cavity 61 on each forming block 6.

The upper template 11 and the lower template 12 are respectively provided with a cylinder cavity at the interval between the positioning block 4 and the forming block 6, which is used for enclosing a cavity corresponding to the cylinder part on the connector packaging structure when the upper and lower templates are buckled in opposite directions.

Line ball 5 includes line ball and lower line ball, be equipped with the boss 51 that extends along line ball width direction on the bottom surface of going up the line ball respectively with on the top surface of line ball down on the bottom surface of line ball, boss 51 has two that set up side by side, all be equipped with arc line ball groove 52 on the mesa of each boss 51, the groove top limit 54 of line ball groove 52 is the slope limit, on, when line ball lock down, on, the part that is close to shaping piece 6 of groove topside 54 on the line ball contacts and forms sealedly down, the part of keeping away from shaping piece 6 of groove topside 54 is then mutual interval, give way the space for the cable pressurized deformation.

In this embodiment, the column part of the connector packaging structure further has a mark, the position of the mark on the connector has requirements, and the positions of the connector and the mark can be ensured by the positioning insert 7; the positioning insert 7 includes a square column 71 extending in the up-down direction, a ring sleeve 72 perpendicular to the square column is disposed on the sidewall of the square column 71, and more than two fractures 73 are disposed on the sidewall of the ring sleeve 72.

The ring sleeve 72 can be inserted into a connector to be packaged, and the ring sleeve 72 is inserted into the connector and then forms rotation-stopping fit with the connector along the circumferential direction of the connector; the upper template 11 and the lower template 12 are respectively provided with slots for inserting the upper end and the lower end of the square column 71.

After the positioning insert 7 is inserted into the connector, it is mounted together with the connector on the positioning block 4, and the circumferential position of the connector in the positioning block 4 is determined. In other embodiments, when there is no identification structure on the package structure or no requirement for the molding position of the identification structure on the connector, the positioning insert may not be provided.

When the connector is packaged, the two positioning blocks 4, the two line pressing blocks 5 and the two forming blocks 6 are respectively arranged on an upper template 11 and a lower template 12; the positioning insert 7 is fitted to the connector, and then the connector is mounted to the positioning block 4 together with the positioning insert 7.

The upper template 11 and the lower template 12 are buckled oppositely, the two positioning blocks 4 clamp the connector, the two wire pressing blocks 5 clamp the cable, the web tail cavities on the two forming blocks 6 are buckled oppositely to form a complete web tail cavity, and the cylinder cavities on the upper template and the lower template are buckled oppositely to form a complete cylinder cavity; injection molding can then begin.

When different connector products with similar structures and sizes need to be packaged, only the corresponding block needs to be replaced; for example, when the connectors on two products have the same structure and size and the wire diameters of the cables are different, only the wire pressing block needs to be replaced; when the cable diameters of the cables on the two products are consistent and the connectors are different, only the positioning block needs to be replaced.

Compared with the prior art, the connector packaging mold can be suitable for packaging different connector products with similar structures and sizes, excessive molds do not need to be prepared, and the manufacturing cost of the molds is reduced; the number of connecting pieces used for fixing each block on the die is small, and the block is replaced quickly.

In other embodiments, the connector clamping structure for clamping the connector can also be directly arranged on the upper template and the lower template without arranging a positioning block; or the cable clamping structure for clamping the cable is directly arranged on the upper template and the lower template without arranging a line pressing block.

In other embodiments, the cylinder cavity and the net tail cavity can be arranged on the line pressing block, a forming block is not required to be arranged, and the cylinder cavity is not required to be arranged on the upper die and the lower die; the net tail cavity can be arranged on the line pressing block, and the cylinder cavity is still reserved on the upper template and the lower template.

In other embodiments, the cylinder cavity can be arranged on the positioning block, the net tail cavity is arranged on the line pressing block, the forming block is not needed, and the cylinder cavity is not needed to be arranged on the upper template and the lower template.

In other embodiments, the positioning block, the molding block and the wire pressing block may also partially protrude from the upper and lower templates, and at this time, the cylinder cavities of the cylinder portions on the upper and lower molds for enclosing the package structure should also protrude from the upper and lower templates.

Claims

1. Connector packaging mold, including last mould and lower mould, go up the mould and include the cope match-plate pattern, the lower mould includes the lower bolster, and upper and lower bolster all has connector clamping part, cable clamping part, cylinder shaping part and net tail shaping part, its characterized in that: the connector clamping part, the cable clamping part and the net tail forming part are formed by replaceable blocks which are arranged separately from the upper template and the lower template, the replaceable blocks are detachably connected with the upper template and the lower template, and each replaceable block comprises a positioning block for clamping the connector, a line pressing block for clamping the cable and a forming block for enclosing the net tail part on the packaging structure; the connector packaging mold comprises a positioning insert for circumferentially positioning the connector, the positioning insert is provided with a cylinder body used for being connected with an upper mold and a lower mold, the cylinder body is provided with a rotation stopping structure used for being inserted into the connector and matched with the connector in a rotation stopping way along the circumferential direction of the connector, the side wall of the cylinder body of the positioning insert is provided with a ring sleeve perpendicular to the cylinder body, the side wall of the ring sleeve is provided with more than two fractures, and the ring sleeve forms the rotation stopping structure; when the connector is packaged, the two positioning blocks, the two line pressing blocks and the two forming blocks are respectively arranged on the upper template and the lower template, the positioning insert is assembled on the connector, then the connector and the positioning insert are together arranged on the positioning blocks, the upper template and the lower template are buckled in opposite directions, the connector is clamped tightly by the two positioning blocks, the cable is clamped tightly by the two line pressing blocks, the net tail cavities on the two forming blocks are buckled in opposite directions to form a complete net tail cavity, and the cylinder cavities on the upper template and the lower template are buckled in opposite directions to form a complete cylinder cavity.

2. The connector packaging mold of claim 1, wherein: and the upper template and the lower template are respectively provided with a sinking groove which is in one-to-one correspondence with the positioning block, the line pressing block and the forming block and is used for embedding and installing the corresponding blocks.

3. The connector packaging mold according to claim 1 or 2, wherein: and the positioning block is provided with a positioning groove which is matched with the outer wall of the connector and is used for compressing the connector.

4. The connector packaging mold of claim 3, wherein: and the positioning block is provided with a stretching arm which stretches out of the corresponding upper template or lower template along the width direction of the positioning groove and is used for a user to apply force.

5. The connector packaging mold of claim 1, wherein: and two runner cavities which are used for forming two injection molding runners communicated with the net tail cavity with the corresponding forming block are respectively arranged on the forming block on the radial two sides of the net tail cavity.