CN216127619U

CN216127619U - Injection mold with nut pre-embedding function

Info

Publication number: CN216127619U
Application number: CN202121673985.6U
Authority: CN
Inventors: 戴天骄; 夏国利; 高扬; 陈恩林
Original assignee: Hefei Beiyu Electronic Technology Co ltd
Current assignee: Hefei Beiyu Electronic Technology Co ltd
Priority date: 2021-07-22
Filing date: 2021-07-22
Publication date: 2022-03-25
Anticipated expiration: 2031-07-22

Abstract

The utility model discloses an injection mold with a nut pre-embedding function, which comprises a lower mold, positioning columns fixed on the periphery of the lower mold, an upper mold sliding outside the positioning columns and a transmission mechanism arranged between the upper mold and the lower mold, wherein four corners of the top of the upper mold are respectively provided with a nut supporting mechanism, each nut supporting mechanism comprises a screw rod penetrating through the upper mold in a screwing manner through threads, the outside of an extending section of the screw rod is connected with a pre-embedded nut in a screwing manner through the threads, the top of the upper mold is provided with an electric driving mechanism, and the electric driving mechanism is used for driving the screw rod of the nut supporting mechanism to rotate and separate from the pre-embedded nut. According to the utility model, the embedded nuts are supported and fixed through the screw rod of the nut supporting mechanism, the screw rod of the nut supporting mechanism is driven to rotate to be separated from the embedded nuts through the electric driving mechanism, and the embedded implantation of the nuts is completed while the plastic shell is injected, so that the processing efficiency of the plastic shell is improved.

Description

Injection mold with nut pre-embedding function

Technical Field

The utility model relates to the technical field of injection molds, in particular to an injection mold with a nut pre-embedding function.

Background

The mobile phone shell, the notebook computer shell and the like are formed by plastics, and the tension is insufficient when the mobile phone shell and the notebook computer shell are screwed, so a copper nut is generally required to be embedded in a hot manner, and the existing nut embedding manner adopts a manual operation machine placing manner. The production flow is that a worker manually puts a copper nut into a rubber shell material and then presses the nut in by using an ultrasonic machine or a hot melting machine, and in the production process, the existing nut implanting jig is heated and then is contacted with the nut, and then is pressed down to melt the nut into a product.

Because current nut is mostly to go on again after the shaping of plastic casing to push down and plant, the flow is loaded down with trivial details, leads to the inefficiency of shell production, if can mould plastics the shell with the nut pre-buried to the shell inboard, will promote the efficiency of shell production greatly.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: in order to solve the problem that the production efficiency of the shell is low due to the fact that the shell is implanted into the traditional nut, the injection mold with the nut pre-embedding function is provided.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides an injection mold with nut pre-buried function, includes the lower mould, fixes lower mould reference column all around, slides at the outside last mould of reference column and sets up the drive mechanism between last mould and lower mould, four corners in top of going up the mould all have nut supporting mechanism, nut supporting mechanism includes closes the screw rod that runs through the mould soon through the screw thread, the extension section outside of screw rod closes soon through the screw thread and is connected with embedded nut, the top of going up the mould has electric drive mechanism, electric drive mechanism is used for driving nut supporting mechanism's screw rod to rotate and separates with embedded nut.

As a further description of the above technical solution:

the nut supporting mechanism further comprises a driven gear and a fixed column, the fixed column is coaxially fixed to the top of the screw, and the driven gear is coaxially fixed to the top of the fixed column.

As a further description of the above technical solution:

the outside of fixed column is through fixed screw fixedly connected with detachable holding ring, the bottom fixedly connected with spacing post of holding ring.

As a further description of the above technical solution:

the outer part of the fixing column is provided with a plurality of positioning screw holes matched with the fixing screws for use.

As a further description of the above technical solution:

the electric drive mechanism comprises a support column, a mounting plate, a drive motor and a drive gear.

As a further description of the above technical solution:

the support column is provided with four that are the rectangular array and distribute, four the top at last mould is all fixed to the support column, four the top fixedly connected with mounting panel of support column, driving motor is installed at the top of mounting panel, driving motor's the outside fixedly connected with of output shaft and four driven gear meshing driven driving gear.

In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:

the screw rod through nut supporting mechanism supports embedded nut fixedly, drive through drive mechanism and go up mould and lower mould compound die after, the mechanism of moulding plastics through the outside carries the raw materials of molten state to last between mould and the lower mould, because embedded nut passes through the screw rod to be fixed between last mould and lower mould, after the raw materials cooling between last mould and the lower mould becomes plastic casing, the screw rod that drives drive nut supporting mechanism through electric drive mechanism rotates to separating with embedded nut, at this moment, embedded nut just implanted plastic casing's inboard at the in-process of moulding plastics, through the embedded implantation of accomplishing the nut when plastic casing moulds plastics, thereby the efficiency of plastic casing processing has been promoted.

Drawings

FIG. 1 shows a perspective view according to the present invention;

FIG. 2 shows a perspective front view schematic diagram according to the present invention;

FIG. 3 illustrates a perspective view of a nut support structure and an upper die provided in accordance with an embodiment of the present invention;

illustration of the drawings:

1. a lower die; 2. an upper die; 3. a support pillar; 4. mounting a plate; 5. a drive motor; 6. a nut support mechanism; 601. a screw; 602. fixing a column; 603. a driven gear; 604. a positioning ring; 605. fixing screws; 606. a limiting column; 607. positioning the screw hole; 7. a positioning column; 8. a transmission mechanism; 9. a driving gear; 10. and (6) embedding the nut.

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. 1-3, the present invention provides a technical solution: an injection mold with a nut pre-embedding function comprises a lower mold 1, positioning columns 7 fixed on the periphery of the lower mold 1, an upper mold 2 sliding outside the positioning columns 7 and a transmission mechanism 8 arranged between the upper mold 2 and the lower mold 1, wherein four corners of the top of the upper mold 2 are respectively provided with a nut supporting mechanism 6, each nut supporting mechanism 6 comprises a screw 601 penetrating through the upper mold 2 in a screwing manner through threads, the outside of an extending section of the screw 601 is connected with a pre-embedded nut 10 in a screwing manner through threads, the top of the upper mold 2 is provided with an electric driving mechanism, the electric driving mechanism is used for driving the screw 601 of the nut supporting mechanism 6 to rotate and separate from the pre-embedded nut 10, the pre-embedded nut 10 is supported and fixed through the screw 601 of the nut supporting mechanism 6, after the upper mold 2 and the lower mold 1 are driven to be matched through the transmission mechanism 8, a raw material in a molten state is conveyed between the upper mold 2 and the lower mold 1 through an external injection mechanism, because the embedded nut 10 is fixed between the upper die 2 and the lower die 1 through the screw 601, after the raw material between the upper die 2 and the lower die 1 is cooled into the plastic shell, the screw 601 driving the nut supporting mechanism 6 to rotate through the electric driving mechanism until being separated from the embedded nut 10, at the moment, the embedded nut 10 is implanted into the inner side of the plastic shell in the injection molding process, and therefore the processing efficiency of the plastic shell is improved.

Specifically, as shown in fig. 1 and 3, the nut supporting mechanism 6 further includes a driven gear 603 and a fixed column 602, the fixed column 602 is coaxially fixed on the top of the screw 601, the driven gear 603 is coaxially fixed on the top of the fixed column 602, a detachable positioning ring 604 is fixedly connected to the outside of the fixed column 602 through a fixing screw 605, a position limiting column 606 is fixedly connected to the bottom of the positioning ring 604, a plurality of positioning screw holes 607 used in cooperation with the fixing screw 605 are formed in the outside of the fixed column 602, the positioning ring 604 and the position limiting column 606 are used for limiting the downward rotation limit position of the screw 601, and the positioning ring 604 is fixed at different positions on the outside of the fixed column 602 through cooperation of the fixing screw 605 and the positioning screw holes 607, at this time, the bottom of the adjusting screw 601 moves to the limit position below the upper die 2, thereby adjusting the embedded depth of the embedded nut 10.

Specifically, as shown in fig. 1, electric drive mechanism includes support column 3, mounting panel 4, driving motor 5 and driving gear 9, support column 3 is provided with four that are the rectangular array and distribute, four support column 3 are all fixed at the top of last mould 2, four support column 3's top fixedly connected with mounting panel 4, driving motor 5 is installed at mounting panel 4's top, driving motor 5's the outside fixedly connected with of output shaft and four driven gear 603 meshing driven driving gear 9, carry out fixed stay through support column 3 and mounting panel 4 to driving motor 5, drive driving gear 9 through driving motor 5 and rotate, meshing transmission through driving gear 9 and four driven gear 603, thereby drive driven gear 603 and rotate, from this drive fixed column 602 and screw rod 601 and rotate, from this drive screw rod 601 and embedded nut 10 separation.

The working principle is as follows: when the device is used, the embedded nut 10 is screwed and fixed outside the screw rod 601, the positioning ring 604 is fixed at the positioning screw hole 607 corresponding to the required position of the fixed column 602 through the fixing screw 605, the driving gear 9 is driven to rotate anticlockwise through the driving motor 5, the driven gear 603 and the screw rod 601 are driven to rotate clockwise through the meshing transmission of the driving gear 9 and the driven gear 603, so that the screw rod 601 is driven to move downwards until the limiting column 606 is attached to the top of the upper die 2, at the moment, after the upper die 2 and the lower die 1 are driven to be matched through the transmission mechanism 8, the raw material in a molten state is conveyed between the upper die 2 and the lower die 1 through the external injection molding mechanism, because the embedded nut 10 is fixed between the upper die 2 and the lower die 1 through the screw rod 601, after the raw material between the upper die 2 and the lower die 1 is cooled into a plastic shell, the driving gear 9 is driven to rotate clockwise through the driving motor 5, through the meshing transmission of driving gear 9 and driven gear 603 to drive driven gear 603 anticlockwise rotation, drive screw 601 through driven gear 603, make screw 601 upwards rotate to separate with embedded nut 10, at this moment, embedded nut 10 just implanted plastic casing's inboard at the in-process of moulding plastics, thereby promoted the efficiency of plastic casing processing.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides an injection mold with nut pre-buried function, includes lower mould (1), fixes reference column (7) all around lower mould (1), slides at last mould (2) of reference column (7) outside and sets up drive mechanism (8) between last mould (2) and lower mould (1), a serial communication port, four corners in the top of going up mould (2) all have nut supporting mechanism (6), nut supporting mechanism (6) include close screw rod (601) that run through last mould (2) soon through the screw thread, the extension section outside of screw rod (601) closes soon through the screw thread and is connected with embedded nut (10), the top of going up mould (2) has electric drive mechanism, electric drive mechanism is used for screw rod (601) rotation and the separation of embedded nut (10) of drive nut supporting mechanism (6).

2. The injection mold with the nut embedding function as claimed in claim 1, wherein the nut supporting mechanism (6) further comprises a driven gear (603) and a fixed column (602), the fixed column (602) is coaxially fixed on the top of the screw rod (601), and the driven gear (603) is coaxially fixed on the top of the fixed column (602).

3. The injection mold with the nut embedding function as claimed in claim 2, wherein a detachable positioning ring (604) is fixedly connected to the outside of the fixing column (602) through a fixing screw (605), and a limiting column (606) is fixedly connected to the bottom of the positioning ring (604).

4. The injection mold with nut embedding function as claimed in claim 3, wherein the fixing post (602) has a plurality of positioning screw holes (607) on its outer portion for matching with the fixing screws (605).

5. The injection mold with the nut embedding function as claimed in claim 2, wherein the electric driving mechanism comprises a support pillar (3), a mounting plate (4), a driving motor (5) and a driving gear (9).

6. The injection mold with the nut embedding function as claimed in claim 5, wherein the support columns (3) are four, the four support columns (3) are distributed in a rectangular array, the four support columns (3) are fixed to the top of the upper mold (2), the top of the four support columns (3) is fixedly connected with a mounting plate (4), a driving motor (5) is installed on the top of the mounting plate (4), and the outer portion of an output shaft of the driving motor (5) is fixedly connected with a driving gear (9) which is in meshing transmission with the four driven gears (603).