CN212736811U

CN212736811U - Novel mold for injection molding of electronic product shell

Info

Publication number: CN212736811U
Application number: CN201921829139.1U
Authority: CN
Inventors: 刘世伦
Original assignee: Kunshan Shishuo Precision Mould Co ltd
Current assignee: Kunshan Shishuo Precision Mould Co ltd
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2021-03-19
Anticipated expiration: 2029-10-29

Abstract

The utility model discloses a novel mould for moulding plastics electronic product shell, including base, stand, backup pad and pneumatic cylinder, the stand is all installed in the top four corners of base, the backup pad that links to each other four stands is installed on the top of stand, the bottom central point of backup pad puts and installs the pneumatic cylinder, the rectangular plate is installed to the bottom of pneumatic cylinder, and the top four corners of rectangular plate respectively with four the stand cup joints together, the bull stick is all installed through the bearing in the top left and right sides of rectangular plate, the inner ring and the bull stick interference fit of bearing, and the outer loop and the rectangular plate fixed connection of bearing, the top of bull stick is provided with the ring. This a novel mould for moulding plastics electronic product shell can dismantle the movable mould so that the staff to the clearance of movable mould through simple operation, makes things convenient for the staff to look over the clearance condition of movable mould, reduces staff's the work degree of difficulty, is favorable to extensively promoting.

Description

Novel mold for injection molding of electronic product shell

Technical Field

The utility model relates to the technical field of mold, specifically be a novel mould for moulding plastics electronic product shell.

Background

The electronic product shell usually comprises an upper shell and a lower shell, wherein the upper shell and the lower shell cover form the shell of the electronic product, a circuit board and electronic components thereof can be placed inside the shell, when the electronic product shell is produced, a mold is required to be used for injection molding, and the mold is usually divided into a fixed mold and a movable mold.

However, in the existing mold for injection molding of the shell of the electronic product, because the movable mold is usually placed upside down on the mold base, the cleaning of the movable mold by the operator is very troublesome and inconvenient, the operator cannot conveniently check the cleaning condition of the movable mold, the work difficulty of the operator is increased, and the wide popularization is not facilitated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel mould for moulding plastics electronic product shell to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a novel mold for injection molding of an electronic product shell comprises a base, stand columns, support plates and a hydraulic cylinder, wherein the stand columns are installed at four corners of the top end of the base, the support plates for connecting the four stand columns are installed at the top ends of the stand columns, the hydraulic cylinder is installed at the center position of the bottom end of each support plate, a rectangular plate is installed at the bottom end of the hydraulic cylinder, the four corners of the top end of the rectangular plate are respectively sleeved with the four stand columns, rotating rods are installed on the left side and the right side of the top end of the rectangular plate through bearings, inner rings of the bearings are in interference fit with the rotating rods, outer rings of the bearings are fixedly connected with the rectangular plate, a circular ring is arranged at the top end of each rotating rod, a movable mold is arranged at the bottom end of the rectangular plate, strip-shaped openings which are communicated up and down are formed in the positions, which correspond to the rotating rods, are formed in, the movable mold is tightly attached to the first stop block under the action of the self gravity, the bottom end of the outer wall of the rotating rod between the rectangular plate and the movable mold is provided with a second stop block, the bottom end of the second stop block is attached to the movable die, the fixed die is arranged at the position, corresponding to the movable die, of the top end of the base, the rectangular block is sleeved on the outer wall of the rotating rod positioned at the top end of the rectangular plate, the left side and the right side of the bottom end of the rectangular block are both provided with connecting blocks, the bottom end of the connecting block is fixedly connected with the rectangular plate, the inner wall of the rectangular block is provided with a holding groove, the outer wall of the rotating rod is provided with a positioning groove corresponding to the accommodating groove, the inner cavity of the accommodating groove is provided with a ball and a spring for providing elasticity for the ball, the ball is supported on the outer wall of the rotating rod under the elastic force action of the spring, and when the positioning groove and the accommodating groove are aligned in the rotating process of the rotating rod, one part of the ball is located in the inner cavity of the positioning groove.

Preferably, two rotating rods are installed on the left side and the right side of the top end of the rectangular plate through bearings, and the two rotating rods are located on the front side and the rear side of the top end of the rectangular plate respectively.

Preferably, the length of the first stop block along the left-right direction is greater than the width of the inner cavity of the strip-shaped opening along the left-right direction.

Preferably, two second stoppers are mounted at the bottom end of the outer wall of the rotating rod between the rectangular plate and the movable die, and the two second stoppers are horizontally distributed on the outer wall of the rotating rod at intervals of 180 degrees clockwise.

Preferably, four holding grooves are formed in the inner wall of the rectangular block, and the four holding grooves are distributed on the circumference of the inner wall of the rectangular block at intervals of 90 degrees clockwise.

Preferably, the positioning groove is arc-shaped, and the volume of the inner cavity of the positioning groove is less than half of the volume of the ball.

Compared with the prior art, the beneficial effects of the utility model are that: the novel die for injection molding of the electronic product shell is characterized in that an external power supply of a hydraulic pump is switched on, a hydraulic cylinder starts to work to drive a rectangular plate, a rotating rod and a movable die to move downwards to enable the movable die to be located on a fixed die, a ring at the top end of the rotating rod is rotated to drive the rotating rod, a first stop block and a second stop block to rotate, the rotating rod rotates clockwise 90 degrees to enable a positioning groove and a containing groove to be aligned together, a ball can be pushed out from the containing groove to an inner cavity of the positioning groove through the elastic action of a spring to position the rotating rod and the first stop block, the first stop block rotates clockwise 90 degrees to be overlapped with the inner cavity of a strip-shaped opening, the rectangular plate, the rotating rod and the first stop block can be driven by the hydraulic cylinder to move upwards to reset, the rotating rod and the first stop block can move upwards to the upper part of the movable die through the strip-shaped opening to finish the disassembly of the, thereby can dismantle the movable mould through simple operation so that the staff to the clearance of movable mould, make things convenient for the staff to look over the clearance condition of movable mould, reduce staff's the work degree of difficulty, be favorable to extensively promoting.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic sectional view of the rectangular plate shown in FIG. 1;

fig. 3 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.

In the figure: 1. the base, 2, stand, 3, backup pad, 4, pneumatic cylinder, 5, rectangular plate, 6, bull stick, 7, movable mould, 8, bar opening, 9, first dog, 10, second dog, 11, cover half, 12, rectangular block, 13, connecting block, 14, holding tank, 15, constant head tank, 16, ball, 17, spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a novel mold for injection molding of an electronic product shell comprises a base 1, stand columns 2, support plates 3 and hydraulic cylinders 4, wherein the stand columns 2 are installed at four corners of the top end of the base 1, the support plates 3 which are used for connecting the four stand columns 2 are installed at the top ends of the stand columns 2, the hydraulic cylinders 4 are installed at the center positions of the bottom ends of the support plates 3, rectangular plates 5 are installed at the bottom ends of the hydraulic cylinders 4, the four corners of the top ends of the rectangular plates 5 are respectively sleeved with the four stand columns 2, the rectangular plates 5 can be conveniently driven to move upwards or downwards through the hydraulic cylinders 4, rotating rods 6 are installed on the left side and the right side of the top ends of the rectangular plates 5 through bearings, inner rings of the bearings are in interference fit with the rotating rods 6, outer rings of the bearings are fixedly connected with the rectangular plates 5, circular rings are arranged at the top ends of the rotating rods 6, movable molds 7 are arranged at, the bottom end of the rotating rod 6 penetrates through the rectangular plate 5 and extends out of the strip-shaped opening 8 to be provided with a first stop block 9 matched with an inner cavity of the strip-shaped opening 8, the moving rod 6 and the first stop block can be conveniently moved through the strip-shaped opening 8, the movable die 7 can be conveniently supported through the first stop block 9, the movable die 7 is tightly attached to the first stop block 9 under the action of self gravity, the bottom end of the outer wall of the rotating rod 6 positioned between the rectangular plate 5 and the movable die 7 is provided with a second stop block 10, the bottom end of the second stop block 10 is attached to the movable die 7, the movable die 7 can be conveniently limited along the vertical direction through the second stop block 10, the top end of the base 1 is provided with a fixed die 11 corresponding to the movable die 7, the outer wall of the rotating rod 6 positioned at the top end of the rectangular plate 5 is sleeved with a rectangular block 12, the left side and the right side of the, holding tank 14 has been seted up to the inner wall of rectangular block 12, constant head tank 15 has been seted up with the corresponding position of holding tank 14 to the outer wall of bull stick 6, ball 16 and the spring 17 for ball 16 provides elasticity are installed to holding tank 14's inner chamber, spring 17's coefficient of elasticity is 18N CM's compression spring, the spring produces elastic deformation after receiving tensile or extrusion, resume to initial condition after getting rid of external force, ball 16 supports on the outer wall of bull stick 6 under spring 17's spring action, bull stick 6 rotates the in-process when constant head tank 15 and holding tank 14 are just to the time, ball 16's partly is in constant head tank 15 inner chamber, through spring 17, the cooperation of ball 16 and constant head tank 15 can be convenient for fix a position fixed to bull stick 6.

Preferably, two rotating rods 6 are mounted on the left side and the right side of the top end of the rectangular plate 5 through bearings, and the two rotating rods 6 are respectively located on the front side and the rear side of the top end of the rectangular plate 5, so that the movable mold 7 can be more stably lapped on the first stop block 9.

Preferably, the length of the first stopper 9 in the left-right direction is greater than the width of the inner cavity of the strip-shaped opening 8 in the left-right direction, so that the first stopper 9 can support the movable mold 7 conveniently.

Preferably, two second stoppers 10 are further installed at the bottom end of the outer wall of the rotating rod 6 between the rectangular plate 5 and the movable mold 7, and the two second stoppers 10 are horizontally distributed on the outer wall of the rotating rod 6 at intervals of 180 degrees clockwise, so that the second stoppers 10 can more stably limit the movable mold 7 in the up-down direction.

Preferably, four receiving grooves 14 are formed in the inner wall of the rectangular block 12, and the four receiving grooves 14 are distributed on the circumference of the inner wall of the rectangular block 12 at intervals of 90 degrees clockwise, so that the rotating rod 6 can be conveniently positioned after rotating for every 90 degrees.

Preferably, the positioning groove 15 is arc-shaped, and the volume of the inner cavity of the positioning groove 15 is smaller than half of the volume of the ball 16, so as to ensure that the ball 16 is stably stretched in the accommodating groove 14, and prevent the ball 16 from deviating.

The following electric devices have the following types and functions:

the hydraulic cylinder 4 is of HOB series, and the rectangular plate 5, the rotating rod 6 and the movable mold 7 can be driven to stably move upwards or downwards at a low speed through the hydraulic cylinder 4.

All the electrical components in the present application are connected with the power supply adapted to the electrical components through the wires, and an appropriate controller should be selected according to actual conditions to meet the control requirements, and specific connection and control sequences should be obtained.

The detailed connection means is a technique known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.

When the hydraulic pump is used, an external power supply of the hydraulic pump is connected, the hydraulic cylinder 4 starts to work, the hydraulic cylinder 4 drives the rectangular plate 5, the rotating rod 6 and the movable die 7 to move downwards, after the movable die 7 is completely seated on the fixed die 11, the external power supply of the hydraulic cylinder is closed, the circular ring at the top end of the rotating rod 6 is rotated clockwise, the rotating rod 6 drives the first stop block 9 and the second stop block 10 to rotate clockwise, the outer wall of the rotating rod 6 extrudes the round ball 16 to enable the round ball 16 to be retracted into the inner cavity of the accommodating groove 14, meanwhile, the round ball 16 extrudes the spring 17 to enable the spring 17 to deform under stress, after the rotating rod 6 rotates clockwise 90 degrees, the rotating rod 6 rotates clockwise to drive the positioning groove 15 to be aligned with the accommodating groove 14, at the moment, the round ball 16 is pushed out from the accommodating groove 14 to the inner cavity of the positioning groove 15 under the elastic force of the spring 17 to position the rotating rod 6, the first stop block 9 rotates clockwise by 90 degrees and is overlapped with the inner cavity of the strip-shaped opening 8, an external power supply of a hydraulic pump is connected, the hydraulic cylinder 4 drives the rectangular plate 5, the rotating rod 6 and the first stop block 9 move upwards to reset, the rotating rod 6 and the first stop block 9 move upwards to the upper part of the movable mould 7 through the strip-shaped opening 8 to finish the disassembly of the movable mould 7, the movable mould 7 is overturned by a worker to clean, when the movable mould 7 is cleaned and needs to be installed, the movable mould 7 is placed on the fixed mould 11 upside down again, the hydraulic cylinder 4 drives the rectangular plate 5, the rotating rod 6, the first stop block 9 and the second stop block 10 to move downwards, the first stop block 9 penetrates through and extends out of the strip-shaped opening 8, the second stop block 10 is adhered to the upper surface of the movable mould 7, the first stop block 9 extends to the lower surface of the movable mould 7 and is adhered together, the ring at the, First dog 9 and second dog 10 anticlockwise rotation form the location after 90 degrees, the external power supply of switch-on hydraulic pump, pneumatic cylinder 4 drives rectangular plate 5, bull stick 6 and first dog 9 upwards remove, bull stick 6 and first dog 9 mention movable mould 7 rebound, accomplish the installation of movable mould 7, the device compact structure, and reasonable in design, the staff of can being convenient for carries out the cleaning work after dismantling the movable mould, the operation is very simple and convenient, satisfy staff's work demand.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation; also, unless expressly stated or limited otherwise, the terms "snap," "interference fit," "snap," "set," "mount," and the like are to be construed broadly and include, for example, a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel mould for moulding plastics electronic product shell, includes base (1), stand (2), backup pad (3) and pneumatic cylinder (4), stand (2) are all installed in the top four corners of base (1), backup pad (3) that link to each other four stand (2) are installed on the top of stand (2), pneumatic cylinder (4), its characterized in that are installed to the bottom central point of backup pad (3): the bottom of the hydraulic cylinder (4) is provided with a rectangular plate (5), four corners at the top end of the rectangular plate (5) are respectively sleeved with the four upright posts (2), the left side and the right side at the top end of the rectangular plate (5) are provided with rotating rods (6) through bearings, inner rings of the bearings are in interference fit with the rotating rods (6), outer rings of the bearings are fixedly connected with the rectangular plate (5), the top end of the rotating rod (6) is provided with a circular ring, the bottom end of the rectangular plate (5) is provided with a movable mold (7), the left side and the right side of the movable mold (7) are provided with strip-shaped openings (8) which are communicated up and down corresponding to the rotating rods (6), the bottom end of the rotating rod (6) penetrates through the rectangular plate (5) and extends out of the strip-shaped openings (8) to be provided with first stop blocks (9) matched with inner cavities of the strip-shaped openings (8), and the movable mold (7) is tightly attached to, the outer wall bottom of the rotating rod (6) between the rectangular plate (5) and the movable die (7) is provided with a second stop block (10), the bottom end of the second stop block (10) is attached to the movable die (7), the top end of the base (1) is provided with a fixed die (11) at the position corresponding to the movable die (7), the outer wall of the rotating rod (6) at the top end of the rectangular plate (5) is sleeved with a rectangular block (12), the left side and the right side of the bottom end of the rectangular block (12) are provided with connecting blocks (13), the bottom end of the connecting blocks (13) is fixedly connected with the rectangular plate (5), the inner wall of the rectangular block (12) is provided with an accommodating groove (14), the outer wall of the rotating rod (6) is provided with a positioning groove (15) at the position corresponding to the accommodating groove (14), the inner cavity of the accommodating groove (14) is provided with a round ball (16) and a, under the action of the elastic force of the spring (17), the round ball (16) abuts against the outer wall of the rotating rod (6), and when the positioning groove (15) and the accommodating groove (14) are aligned in the rotating process of the rotating rod (6), one part of the round ball (16) is positioned in the inner cavity of the positioning groove (15).

2. The novel mold of claim 1, wherein: two rotating rods (6) are installed on the left side and the right side of the top end of the rectangular plate (5) through bearings, and the two rotating rods (6) are located on the front side and the rear side of the top end of the rectangular plate (5) respectively.

3. The novel mold of claim 1, wherein: the length of the first stop block (9) along the left-right direction is greater than the width of the inner cavity of the strip-shaped opening (8) along the left-right direction.

4. The novel mold of claim 1, wherein: two second stop blocks (10) are installed at the bottom end of the outer wall of the rotating rod (6) between the rectangular plate (5) and the movable die (7), and the two second stop blocks (10) are horizontally distributed on the outer wall of the rotating rod (6) at intervals of 180 degrees clockwise.

5. The novel mold of claim 1, wherein: four accommodating grooves (14) are formed in the inner wall of the rectangular block (12), and the four accommodating grooves (14) are distributed on the circumference of the inner wall of the rectangular block (12) at intervals of 90 degrees clockwise.

6. The novel mold of claim 1, wherein: the locating groove (15) is arc-shaped, and the volume of the inner cavity of the locating groove (15) is smaller than half of the volume of the round ball (16).