CN215882451U

CN215882451U - Injection molding spare autogenous cutting runner mould of connector

Info

Publication number: CN215882451U
Application number: CN202122185860.5U
Authority: CN
Inventors: 金鹏; 杨婷
Original assignee: Shenzhen Beikangnuo Electronics Co ltd
Current assignee: Shenzhen Beikangnuo Electronics Co ltd
Priority date: 2021-09-10
Filing date: 2021-09-10
Publication date: 2022-02-22
Anticipated expiration: 2031-09-10

Abstract

The utility model relates to the technical field of connector production, and discloses a connector injection molding piece self-cutting sprue die which comprises a box body, a lower template and an upper template, wherein the lower template is bolted above the box body, a driving motor is installed on the right side of the box body, and the right end of an output shaft of the driving motor penetrates into the box body; according to the utility model, after injection molding of parts is completed, the sprue joint can be automatically cut off, so that workers do not need to perform secondary processing, the processing efficiency is effectively improved, the parts can be automatically ejected after production is completed, convenience is provided for the workers, the problem that the joint needs to be manually cut off by the workers after the parts are cooled and formed in the existing sprue mold is solved, the labor capacity of the workers is reduced, subsequent processing is facilitated, the problem that the existing sprue mold does not have an ejection function is also solved, and the sprue mold is convenient to use.

Description

Injection molding spare autogenous cutting runner mould of connector

Technical Field

The utility model relates to the technical field of connector production, in particular to a self-cutting sprue die for an injection molding part of a connector.

Background

The connector is also called a connector. Also known domestically as connectors and sockets, are electrical connectors in general. I.e. a device connecting two active devices, transmitting current or signals; the male and female terminals can transmit information or current after contacting, also called connector.

Present spare parts such as connector shell or flip at present are mostly accomplished through moulding plastics, but current runner mould is after spare part cooling shaping, unnecessary waste material often can appear in the runner junction at its top, needs the staff manual work to cut it, and not only work efficiency is lower, but also has increased staff's the amount of labour, brings inconvenience for subsequent processing work, and current runner mould does not possess ejecting function moreover, and the use of giving the staff brings inconvenience.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a connector injection molding piece self-cutting sprue die to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a self-cutting sprue die for injection molding parts of connectors comprises a box body, a lower die plate and an upper die plate, wherein the lower die plate is bolted above the box body, a driving motor is installed on the right side of the box body, the right end of an output shaft of the driving motor penetrates into the box body, a threaded rod is rotatably connected inside the box body, the right end of the threaded rod is bolted with the driving motor, the thread directions of the left side and the right side of the surface of the threaded rod are opposite, thread sleeves are connected on the left side and the right side of the surface of the threaded rod in a threaded manner, sliding grooves are formed in the left side and the right side of the top of the box body, a supporting rod is bolted at the top of the threaded rod, the top end of the supporting rod penetrates through the outer part of the box body and is in sliding connection with the inner walls of the sliding grooves, a transverse plate is bolted at the top end of the supporting rod, cutting blades are fixed on the surface of one side of the transverse plate opposite to each other, and a plurality of pouring openings are fixed at the top of the upper die plate, the improved injection molding device is characterized in that a feeding groove is formed in the upper die plate and below the pouring gate, a plurality of molding cavities are formed in the top of the lower die plate, a cavity is formed in the lower die plate, an electric telescopic rod is fixed to the bottom of the inner wall of the cavity, a push rod is bolted to the top end of an output shaft of the electric telescopic rod, a through groove is formed in the bottom of the inner wall of the molding cavity and communicated with the cavity, an ejection sheet is connected to the inner wall of the through groove in a sliding mode, and the push rod extends to the inside of the through groove and is bolted to the ejection sheet.

As a further improvement of the scheme, the bottom of the inner wall of the box body is provided with a limiting groove, the bottom of the threaded sleeve is bolted with a limiting rod, the bottom end of the limiting rod extends to the inside of the limiting groove and is bolted with a limiting block, and the limiting block is connected with the inner wall of the limiting groove in a sliding mode.

As a further improvement of the scheme, the bottom of the upper template is provided with a groove, the top of the lower template is connected with a baffle in a bolted mode, the baffle is connected with the inner wall of the groove in a sliding mode, and the left side and the right side of the baffle are respectively bonded with a protection pad.

As a further improvement of the scheme, the front side and the rear side of one side of the bottom of the transverse plate are respectively bolted with a guide block, guide grooves are formed in the front side and the rear side of the top of the lower template, and the guide blocks are connected with the inner walls of the guide grooves in a sliding mode.

As a further improvement of the scheme, an infrared sensor is fixed at the top of the transverse plate at the right side of the upper template and is matched with the driving motor for use.

As a further improvement of the scheme, a sealing gasket is bonded above the inner wall of the through groove, the ejection sheet is attached to the surface of the sealing gasket, the sealing gasket is arranged in an annular shape, and the sealing gasket is made of heat-resistant rubber.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, after injection molding of parts is completed, the sprue joint can be automatically cut off, so that workers do not need to perform secondary processing, the processing efficiency is effectively improved, the parts can be automatically ejected after production is completed, convenience is provided for the workers, the problem that the joint needs to be manually cut off by the workers after the parts are cooled and formed in the existing sprue mold is solved, the labor capacity of the workers is reduced, subsequent processing is facilitated, the problem that the existing sprue mold does not have an ejection function is also solved, and the sprue mold is convenient to use.

Drawings

FIG. 1 is a front cross-sectional view of the structure of the present invention;

FIG. 2 is a schematic perspective view of the lower platen of the present invention;

FIG. 3 is an enlarged view of a portion of the utility model at A in FIG. 1;

fig. 4 is a partial enlarged view of the utility model at B in fig. 1.

In the figure: 1. a box body; 2. a lower template; 3. mounting a template; 4. a drive motor; 5. a threaded rod; 6. a threaded sleeve; 7. a chute; 8. a support bar; 9. a transverse plate; 10. a cutting blade; 11. a pouring gate; 12. a feed chute; 13. a molding cavity; 14. a cavity; 15. an electric telescopic rod; 16. a push rod; 17. a through groove; 18. ejecting the sheet; 19. a limiting rod; 20. a limiting groove; 21. a limiting block; 22. a groove; 23. a baffle plate; 24. a protection pad; 25. a guide block; 26. a guide groove; 27. an infrared sensor; 28. and a gasket.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a self-cutting gate mold for an injection molding part of a connector comprises a box body 1, a lower template 2 and an upper template 3, wherein the lower template 2 is bolted on the upper part of the box body 1, a driving motor 4 is installed on the right side of the box body 1, the right end of an output shaft of the driving motor 4 penetrates into the box body 1, a threaded rod 5 is rotatably connected into the box body 1, the right end of the threaded rod 5 is bolted with the driving motor 4, the thread directions of the left side and the right side of the surface of the threaded rod 5 are opposite, the left side and the right side of the surface of the threaded rod 5 are in threaded connection with a threaded sleeve 6, chutes 7 are respectively formed on the left side and the right side of the top of the box body 1, a support rod 8 is bolted on the top of the threaded rod 5, the top end of the support rod 8 penetrates to the outer part of the box body 1 and is in sliding connection with the inner wall of the chutes 7, a transverse plate 9 is bolted on the top end of the support rod 8, and a cutting blade 10 is fixed on the surface of the opposite side of the transverse plate 9, the injection molding machine is characterized in that a plurality of pouring gates 11 are fixed at the top of an upper template 3, a feeding groove 12 is formed in the upper template 3 and below the pouring gates 11, a plurality of molding cavities 13 are formed in the top of a lower template 2, a cavity 14 is formed in the lower template 2, an electric telescopic rod 15 is fixed at the bottom of the inner wall of the cavity 14, a push rod 16 is bolted at the top end of an output shaft of the electric telescopic rod 15, a through groove 17 is formed in the bottom of the inner wall of the molding cavity 13, the through groove 17 is communicated with the cavity 14, an ejector plate 18 is slidably connected to the inner wall of the through groove 17, and the push rod 16 extends into the through groove 17 and is bolted with the ejector plate 18. The problem that the junction is cut off manually by workers after the existing pouring gate mold is cooled and formed by parts is solved, the labor capacity of the workers is reduced, subsequent processing is facilitated, the problem that the existing pouring gate mold does not have an ejection function is solved, and the pouring gate mold is convenient to use.

Referring to fig. 1 and 4, a limiting groove 20 is formed at the bottom of the inner wall of the box body 1, a limiting rod 19 is bolted to the bottom of the threaded sleeve 6, the bottom end of the limiting rod 19 extends into the limiting groove 20 and is bolted with a limiting block 21, the limiting block 21 is slidably connected with the inner wall of the limiting groove 20, and the movement track of the threaded sleeve 6 can be limited through the arrangement of the limiting groove 20, the limiting rod 19 and the limiting block 21, so that the threaded sleeve 6 can only horizontally move in the left-right direction.

Referring to fig. 1 and 2, a groove 22 is formed in the bottom of the upper template 3, a baffle 23 is bolted to the top of the lower template 2, the baffle 23 is connected with the inner wall of the groove 22 in a sliding manner, protection pads 24 are bonded to the left side and the right side of the baffle 23, and the groove 22, the baffle 23 and the protection pads 24 are arranged to protect the cutting blades 10 and prevent the cutting blades 10 from being damaged due to collision.

Referring to fig. 1 and 2, the guide blocks 25 are bolted to the front and rear sides of one side of the bottom of the transverse plate 9, the guide grooves 26 are formed in the front and rear sides of the top of the lower template 2, the guide blocks 25 are slidably connected with the inner walls of the guide grooves 26, and the guide blocks 25 and the guide grooves 26 are arranged to guide the cutting blade 10, so that the cutting section of the component is kept flat, and the processing quality of the component is improved.

Referring to fig. 1, an infrared sensor 27 is fixed on the top of the transverse plate 9 on the right side of the upper die plate 3, and the infrared sensor 27 is used in cooperation with the driving motor 4, so that when the upper die plate 3 is lifted, the driving motor 4 can be automatically started to perform cutting operation through the arrangement of the infrared sensor 27.

Referring to fig. 1 and 3, a sealing gasket 28 is bonded above the inner wall of the through groove 17, the ejection plate 18 is attached to the surface of the sealing gasket 28, the sealing gasket 28 is annularly arranged, the material of the sealing gasket 28 is heat-resistant rubber, and the sealing effect on the through groove 17 is increased by the arrangement of the sealing gasket 28, so that the leakage of parts during the molding process is prevented.

The working principle is as follows: when injection molding production is required, a worker pours a melted material into the feeding groove 12 through the pouring gate 11, so that the material flows into the molding cavity 13, fills the molding cavity 13, waits for cooling of the material, lifts the upper template 3 after the part is cooled and molded, when the infrared sensor 27 detects that the upper template 3 moves, the controller (not shown) starts the driving motor 4 to enable the threaded rod 5 to bring the threaded sleeves 6 at two sides to move in the opposite direction or in the opposite direction, controls the rotating direction of the output shaft of the driving motor 4 to enable the cutting blades 10 at two sides to move in the opposite direction, then the guide block 25 enters the inner part of the guide groove 26, the cutting blades 10 cut the connection part along with the threaded rod, and after the cutting blades 10 are contacted with the protective pad 24, the driving motor 4 changes the rotating direction along with the threaded rod and moves the cutting blades 10 back to the original position, and then, the electric telescopic rod 15 is opened, so that the output shaft of the electric telescopic rod 15 pushes the push rod 16 to ascend, and the ejection sheet 18 ejects the part from the inside of the forming cavity 13, thereby completing the production of the part.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an injection molding autogenous cutting runner mould of connector, includes box body (1), lower bolster (2) and cope match-plate pattern (3), its characterized in that: the lower template (2) is bolted above the box body (1), the driving motor (4) is installed on the right side of the box body (1), the right end of the output shaft of the driving motor (4) penetrates into the box body (1), the threaded rod (5) is rotatably connected inside the box body (1), the right end of the threaded rod (5) is bolted with the driving motor (4), the thread directions of the left side and the right side of the surface of the threaded rod (5) are oppositely arranged, the left side and the right side of the surface of the threaded rod (5) are in threaded connection with the thread sleeves (6), the left side and the right side of the top of the box body (1) are both provided with chutes (7), the top of the threaded rod (5) is bolted with a supporting rod (8), the top end of the supporting rod (8) penetrates through the outside of the box body (1) and is in sliding connection with the inner wall of the chutes (7), the top end of the supporting rod (8) is bolted with a transverse plate (9), cutting blades (10) are fixed on the surfaces of the opposite sides of the transverse plates (9), a plurality of pouring gates (11) are fixed at the top of the upper template (3), a feeding groove (12) is arranged in the upper template (3) and below the pouring gate (11), the top of the lower template (2) is provided with a plurality of molding cavities (13), the interior of the lower template (2) is provided with a cavity (14), an electric telescopic rod (15) is fixed at the bottom of the inner wall of the cavity (14), a push rod (16) is bolted at the top end of an output shaft of the electric telescopic rod (15), a through groove (17) is formed at the bottom of the inner wall of the molding cavity (13), the through groove (17) is communicated with the cavity (14), the inner wall of the through groove (17) is connected with an ejecting piece (18) in a sliding way, and the push rod (16) extends to the inside of the through groove (17) and is bolted with the ejecting piece (18).

2. The connector injection molded part undercut sprue mold of claim 1 wherein: the limiting groove (20) is formed in the bottom of the inner wall of the box body (1), the bottom of the threaded sleeve (6) is bolted with a limiting rod (19), the bottom end of the limiting rod (19) extends to the inside of the limiting groove (20) and is bolted with a limiting block (21), and the limiting block (21) is connected with the inner wall of the limiting groove (20) in a sliding mode.

3. The connector injection molded part undercut sprue mold of claim 1 wherein: the bottom of the upper template (3) is provided with a groove (22), the top of the lower template (2) is bolted with a baffle (23), the baffle (23) is connected with the inner wall of the groove (22) in a sliding manner, and the left side and the right side of the baffle (23) are both bonded with a protection pad (24).

4. The connector injection molded part undercut sprue mold of claim 1 wherein: the front and rear parts of one side of the bottom of the transverse plate (9) are bolted with guide blocks (25), guide grooves (26) are formed in the front and rear sides of the top of the lower template (2), and the guide blocks (25) are connected with the inner walls of the guide grooves (26) in a sliding mode.

5. The connector injection molded part undercut sprue mold of claim 1 wherein: the top of the transverse plate (9) on the right side of the upper template (3) is fixed with an infrared sensor (27), and the infrared sensor (27) is matched with the driving motor (4) for use.

6. The connector injection molded part undercut sprue mold of claim 1 wherein: the top of logical groove (17) inner wall bonds and has sealed the pad (28), and pushes up the surface of piece (18) and sealed pad (28) and laminate mutually, sealed pad (28) are the annular and set up, and the material of sealed pad (28) is heat-resisting rubber.