CN216968566U

CN216968566U - Make things convenient for accurate injection mold of drawing of patterns

Info

Publication number: CN216968566U
Application number: CN202220369472.4U
Authority: CN
Inventors: 许剑飞
Original assignee: Shenzhen Kuka Intelligent Technology Co ltd
Current assignee: Shenzhen Kuka Intelligent Technology Co ltd
Priority date: 2022-02-23
Filing date: 2022-02-23
Publication date: 2022-07-15
Anticipated expiration: 2032-02-23

Abstract

The utility model relates to the technical field of injection molds, in particular to a precision injection mold convenient for demolding, which comprises a precision movable mold and a precision fixed mold arranged below the precision movable mold, wherein a molding cavity is arranged in the precision fixed mold, a demolding device is arranged below the precision fixed mold, the demolding device comprises a hydraulic cylinder arranged below the precision fixed mold, a top plate is fixedly arranged at the tail end of a telescopic shaft of the hydraulic cylinder, a plurality of ejector pins arranged in a matrix form are fixedly arranged on the top surface of the top plate, the ejector pins penetrate through the molding cavity and are in sliding connection with the molding cavity, an electric push rod is fixedly arranged at the central position of the upper surface of the top plate, a push column is fixedly arranged at the tail end of the telescopic shaft of the electric push rod, and the push column penetrates through the molding cavity and is in sliding connection with the molding cavity. The utility model is convenient for demoulding operation and use, and brings convenience to users.

Description

Make things convenient for accurate injection mold of drawing of patterns

Technical Field

The utility model relates to the technical field of injection molds, in particular to a precise injection mold convenient for demolding.

Background

The precision injection mold refers to an injection mold with the matching and dimensional precision reaching a precision level, and when the precision injection mold is used for injection molding preparation operation, unloading and demolding operation are usually needed, but when the conventional precision injection mold is used, the defect that demolding operation is not portable enough exists, the processing progress is further delayed, and certain inconvenience is brought to a user.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a precise injection mold convenient for demolding, so as to solve the defects in the background technology.

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

the utility model provides a make things convenient for accurate injection mold of drawing of patterns, includes accurate movable mould and sets up the accurate cover half in accurate movable mould below, be provided with the shaping cavity in the accurate cover half, the below of accurate cover half is provided with shedder, shedder is including setting up the pneumatic cylinder of accurate cover half below, the terminal fixed mounting of telescopic shaft of pneumatic cylinder has the roof, fixed mounting has a plurality of thimbles that are the matrix and arrange on the top surface of roof, the thimble passes the shaping cavity and with sliding connection between the shaping cavity, the upper surface central point of roof puts fixed mounting of department has electric putter, electric putter's the terminal fixed mounting of telescopic shaft has the post of pushing away, the post of pushing away passes the shaping cavity and with sliding connection between the shaping cavity.

Preferably, the number of the ejector pins is 4-8, so that the plastic part is ejected by the ejector pins to complete the demoulding operation more smoothly.

Preferably, a plurality of guide pillars arranged in a matrix form are fixedly mounted on the bottom surface of the top plate, a guide sleeve is connected to each guide pillar in a sliding mode, the guide sleeve is fixedly mounted on an external die carrier, the top plate is guided by movement of the top plate, and the top plate is guaranteed to be more stable and smooth in up-and-down movement.

Preferably, the length of the telescopic shaft of the electric push rod is greater than that of the ejector pin, so that the telescopic shaft of the electric push rod is extended, the plastic part attached to the ejector pin can be ejected continuously, and the plastic part cannot be attached to the ejector pin and cannot fall continuously.

Preferably, the precision movable mould with the below of precision cover half is provided with conveyor of unloading, conveyor of unloading include two mutual symmetries and with external die carrier between rotate the pivot of being connected, two connect through end to end's conveyer belt between the pivot, one of them the terminal coaxial driving motor that is provided with of pivot, be convenient for mould the piece and drop to the conveyer belt on the back, utilize driving motor work, drive the conveyer belt and rotate, carry out the transport operation of moulding, save the process of artifical transport moulding, facilitate the use.

Preferably, both sides limit position department of conveyer belt all is provided with the side baffle, the side baffle cover is established in the pivot, side baffle fixed mounting is on external die carrier, through the side baffle that sets up, plays the effect that prevents to mould the piece and down drop from conveyer belt side position.

Preferably, the conveyer belt is located the precision movable mould with the precision cover half under, be favorable to the mould piece on the precision cover half to drop down to the conveyer belt on.

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

1. the ejector pin is driven to eject outwards from the forming cavity by the aid of the arranged demoulding device, so that a plastic part is ejected out to complete demoulding operation, the ejector pin is driven to eject outwards by the aid of the electric push rod, the plastic part adhered to the ejector pin can be ejected out, the plastic part cannot be adhered to the ejector pin and cannot continuously drop downwards, operation and use are facilitated, and the problem that the conventional precision injection mould is inconvenient to use due to the fact that demoulding operation is not portable enough is solved.

2. According to the utility model, through the arranged discharging conveying device, the driving motor can be conveniently utilized to work, the rotating shaft and the conveying belt are driven to rotate, the plastic part which is demoulded and falls onto the conveying belt is conveyed outwards, and the conveying operation of the workpiece is convenient.

Drawings

FIG. 1 is a schematic structural view of example 1 of the present invention;

FIG. 2 is a schematic diagram showing an explosive structure in example 1 of the present invention;

FIG. 3 is a schematic view showing the structure of a mold releasing device in example 1 of the present invention;

FIG. 4 is a schematic structural view of example 2 of the present invention;

fig. 5 is a schematic structural view of a discharge conveying apparatus in embodiment 2 of the present invention.

The meaning of the individual reference symbols in the figures is: 1. precision moving die; 10. precisely fixing a mold; 11. a molding chamber; 2. a demolding device; 20. a hydraulic cylinder; 21. a top plate; 22. a guide sleeve; 23. a guide post; 24. a thimble; 25. an electric push rod; 26. pushing the column; 3. a discharge conveyor; 30. a rotating shaft; 31. a conveyor belt; 32. a drive motor; 33. side baffle plates.

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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Example 1

Referring to fig. 1 to fig. 3, the present embodiment provides a technical solution: a precision injection mold convenient for demolding comprises a precision movable mold 1 and a precision fixed mold 10 arranged below the precision movable mold 1, wherein a molding cavity 11 is arranged in the precision fixed mold 10, a demolding device 2 is arranged below the precision fixed mold 10, the demolding device 2 comprises a hydraulic cylinder 20 arranged below the precision fixed mold 10, a top plate 21 is fixedly arranged at the tail end of a telescopic shaft of the hydraulic cylinder 20, a plurality of ejector pins 24 arranged in a matrix form are fixedly arranged on the top surface of the top plate 21, and the ejector pins 24 penetrate through holes in the bottom wall of the molding cavity 11 and are in sliding connection with through holes in the bottom wall of the molding cavity 11, so that when the precision injection mold is used, the hydraulic cylinder 20 can be used for working to drive the ejector pins 24 to eject upwards, plastic parts in the molding cavity 11 are ejected outwards, demolding operation is completed, and the precision injection mold is convenient to use;

specifically, the upper surface central point department fixed mounting of roof 21 has electric putter 25, electric putter 25's telescopic shaft end fixed mounting has the support pillar 26, support pillar 26 pass through the through-hole on the shaping cavity 11 diapire and with the through-hole on the shaping cavity 11 diapire between sliding connection, guarantee when using, can utilize electric putter 25 work, drive support pillar 26 motion, the realization will be attached to the piece that moulds on thimble 24 and continue outwards ejecting, guarantee that the condition that the piece adhesion just can't continue to drop can not appear on thimble 24.

In this embodiment, the number of the ejector pins 24 is 4 to 8, so that the plastic part is ejected by the ejector pins 24 to complete the demolding operation more smoothly.

Specifically, a plurality of guide pillars 23 arranged in a matrix form are fixedly mounted on the bottom surface of the top plate 21, a guide sleeve 22 is connected to each guide pillar 23 in a sliding mode, the guide sleeve 22 is fixedly mounted on an external die carrier, the movement of the top plate 21 is guided, and the top plate 21 is guaranteed to be more stable and smooth in up-and-down movement.

Furthermore, the length of the telescopic shaft of the electric push rod 25 is greater than that of the ejector pin 24, so that the telescopic shaft of the electric push rod 25 is extended, the plastic part attached to the ejector pin 24 can be continuously ejected, and the plastic part cannot be attached to the ejector pin 24 and cannot continuously fall off.

It should be noted that the hydraulic cylinder 20 and the electric push rod 25 in the present embodiment are conventional technologies, and are not described herein again.

In the specific use process of the embodiment, the hydraulic cylinder 20 is firstly started and made to work, the hydraulic cylinder 20 works, the extension shaft on the hydraulic cylinder extends to drive the top plate 21 to move upwards, the top plate 21 moves upwards to drive the ejector pin 24 to eject upwards, plastic parts attached to the forming cavity 11 and the ejector post 26 are ejected outwards, demoulding operation is performed, when the ejector pin 24 ejects the plastic parts and the plastic parts are continuously attached to the ejector pin 24, the electric push rod 25 can be started and made to work, the electric push rod 25 works, the extension shaft on the electric push rod extends to drive the ejector post 26 to continuously eject outwards, the plastic parts attached to the ejector pin 24 are continuously ejected, the plastic parts are made to fall off from the ejector pin 24 and fall down, and the operation and the use are convenient.

Example 2

Referring to fig. 4-5, the difference between the present embodiment and embodiment 1 is: the below of accurate movable mould 1 and accurate cover half 10 is provided with conveyor 3 of unloading, conveyor 3 of unloading includes two mutual symmetries and with external die carrier between the pivot 30 of being connected of rotating, connect through end to end's conveyer belt 31 between two pivot 30, the terminal coaxial driving motor 32 that is provided with of one of them pivot 30, driving motor 32 fixed mounting is on external die carrier, be convenient for mould after dropping to conveyer belt 31, utilize driving motor 32 work, drive conveyer belt 31 and rotate, the transport operation of moulding, save the process of manual handling moulding, and convenient to use.

In this embodiment, both sides limit position department of conveyer belt 31 all is provided with side baffle 33, and side baffle 33 cover is established on pivot 30, and side baffle 33 fixed mounting is on external die carrier, through the side baffle 33 that sets up, can play the effect that prevents to mould a piece and drop down from conveyer belt 31 side position.

Specifically, the conveyer belt 31 is located under the precision movable mold 1 and the precision fixed mold 10, and is beneficial to the plastic part on the precision fixed mold 10 to fall down onto the conveyer belt 31.

It should be noted that the driving motor 32 in the present embodiment is conventional in the art, and will not be described herein.

This embodiment is at specific use in-process, with driving motor 32 switch-on external power supply and make its work, driving motor 32 work, output shaft rotation on it drives pivot 30 and rotates, and pivot 30 rotates and drives the conveyer belt 31 and rotate, realizes will dropping to the conveying of moulding on 31 and outwards carry, facilitates the use.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a make things convenient for precision injection mold of drawing of patterns, includes precision movable mould (1) and sets up precision cover half (10) in precision movable mould (1) below, its characterized in that: a molding cavity (11) is arranged in the precise fixed die (10), a demoulding device (2) is arranged below the precise fixed die (10), the demoulding device (2) comprises a hydraulic cylinder (20) arranged below the precise fixed mould (10), a top plate (21) is fixedly arranged at the tail end of a telescopic shaft of the hydraulic cylinder (20), a plurality of thimbles (24) arranged in a matrix form are fixedly arranged on the top surface of the top plate (21), the thimble (24) passes through the molding cavity (11) and is connected with the molding cavity (11) in a sliding way, an electric push rod (25) is fixedly arranged at the central position of the upper surface of the top plate (21), a push column (26) is fixedly arranged at the tail end of a telescopic shaft of the electric push rod (25), the push column (26) penetrates through the forming cavity (11) and is connected with the forming cavity (11) in a sliding mode.

2. The precision injection mold facilitating demolding according to claim 1, wherein: the number of the thimbles (24) is 4-8.

3. The precision injection mold facilitating demolding according to claim 1, wherein: the bottom surface of the top plate (21) is fixedly provided with a plurality of guide posts (23) arranged in a matrix form, the guide posts (23) are connected with guide sleeves (22) in a sliding manner, and the guide sleeves (22) are fixedly arranged on an external die carrier.

4. The precision injection mold facilitating demolding according to claim 1, wherein: the length of a telescopic shaft of the electric push rod (25) is larger than that of the thimble (24).

5. The precision injection mold facilitating demolding according to claim 1, wherein: precision movable mould (1) with the below of precision cover half (10) is provided with conveyor (3) of unloading, conveyor (3) of unloading include two mutual symmetries and with external die carrier between rotate pivot (30) be connected, two through end to end's conveyer belt (31) between pivot (30) connect, one of them the end coaxial driving motor (32) that is provided with of pivot (30).

6. The precision injection mold facilitating demolding according to claim 5, wherein: both sides limit position department of conveyer belt (31) all is provided with side shield (33), side shield (33) cover is established in pivot (30), side shield (33) fixed mounting is on external die carrier.

7. The precision injection mold facilitating demolding according to claim 6, wherein: the conveying belt (31) is located right below the precision moving die (1) and the precision fixed die (10).