CN211640777U

CN211640777U - Mobile phone shell injection molding precision mold

Info

Publication number: CN211640777U
Application number: CN201922059459.XU
Authority: CN
Inventors: 张铭; 周建华
Original assignee: Shenzhen Xinhao Precision Technology Co ltd
Current assignee: Shenzhen Xinhao Precision Technology Co ltd
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-10-09
Anticipated expiration: 2029-11-26

Abstract

The utility model discloses a cell phone case injection moulding precision mold, including cover half and movable mould, the top fixedly connected with location awl of cover half, the surface of cover half is provided with the guide post, the direction blind hole with the top looks adaptation of guide post is seted up to the bottom of movable mould, the first spring of inner wall top fixedly connected with of direction blind hole, the bottom of first spring and the top in close contact with of guide post, the bottom of movable mould and the fixed position that is close to the guide post are connected with buffer, the top central authorities fixed position of cover half fixedly connected with die cavity, the bottom of movable mould and with the corresponding fixed position of die cavity be connected with the core, the top fixedly connected with pneumatic cylinder of movable mould, the utility model relates to a mould technical field. This cell phone case injection moulding precision mould has reached accurate height, and the little effect of impact has increased the direction, has reduced the rigidity and has strikeed, reduces wearing and tearing or damage, and the machining precision is high, has improved product quality and performance.

Description

Mobile phone shell injection molding precision mold

Technical Field

The utility model relates to the technical field of mold, specifically be cell phone case injection moulding precision mold.

Background

The present invention relates to a mould, various moulds and tools for obtaining required products by using injection moulding, blow moulding, extrusion, die-casting or forging forming, smelting and stamping methods in industrial production. The mobile phone shell injection molding die is called as 'industrial master', and injection molding and demolding are carried out on the mobile phone shell injection molding die under normal pressure. At present, current cell-phone shell injection moulding mould is in the state of continuous open-close mould in production, and when the compound die sinking, there is striking contact in cover half and movable mould, and this striking contact is mostly rigid contact to make wearing and tearing seriously cause the damage even, influence machining precision, open-close mould guiding mechanism is few moreover, displacement or dislocation phenomenon appear easily, thereby further influence the precision, reduced performance.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a cell phone case injection moulding precision mold has solved when the compound die sinking, and there is the striking contact cover half and movable mould, and this striking contact is mostly rigid contact to make wearing and tearing seriously cause the damage even, influence the machining precision, open and shut die guiding mechanism few moreover, displacement or dislocation phenomenon appear easily, thereby further influence the precision, reduced the problem of performance.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: cell phone case injection moulding precision mould, including cover half and movable mould, the cooperation is connected between cover half and the movable mould, the top fixedly connected with location awl of cover half, the surface of cover half is provided with the guide post, the top of guide post is run through the cover half and is extended to its top, the direction blind hole with the top looks adaptation of guide post is seted up to the bottom of movable mould, the first spring of inner wall top fixedly connected with of direction blind hole, the bottom of first spring and the top in close contact with of guide post, the bottom of movable mould and the position fixedly connected with buffer who is close to the guide post, the top central position fixedly connected with die cavity of cover half, the bottom of movable mould and the position fixedly connected with core corresponding with die cavity, the top fixedly connected with pneumatic cylinder of movable mould.

Preferably, the surface of the movable mold is provided with a mandril, the top end of the mandril is provided with a fixing hole, the center position of the top of the movable mold is fixedly connected with a sprue bush, and the surface of the movable mold and the position of the sprue bush are provided with a main runner.

Preferably, the bottom of the fixed die is fixedly connected with a bottom plate through a locking screw.

Preferably, buffer includes the bulb pole, the top and the movable mould bottom topside fixed connection of bulb pole, the surperficial top side of bulb pole and the fixed surface that is located the bulb pole are connected with the second spring, the bottom of second spring and the fixed surface that is located the bulb pole are connected with the packing ring, the bottom of packing ring and the top in close contact with of cover half, the slip blind hole with bulb pole looks adaptation is seted up at the top of cover half.

Preferably, the bottom of the surface of the movable die is provided with a chute matched with the positioning cone.

(III) advantageous effects

The utility model provides a cell phone case injection moulding precision mold. The method has the following beneficial effects:

(1) this cell phone case injection moulding precision mould connects through the cooperation between cover half and the movable mould, and the top fixedly connected with location awl of cover half, and the surface of cover half is provided with the guide post, and the top of guide post is run through the cover half and is extended to its top, and the direction blind hole with the top looks adaptation of guide post is seted up to the bottom of movable mould, has reached accurate high effect, and is rational in infrastructure simple, and convenient to use has increased the direction, and the machining precision is high, has improved product quality.

(2) This cell phone case injection moulding precision mold, the first spring of inner wall top fixedly connected with through the direction blind hole, the bottom of first spring and the top in close contact with of guide post, buffer includes the bulb pole, the top and the movable mould bottom topside fixed connection of bulb pole, the surperficial topside of bulb pole and the fixed surface that is located the bulb pole are connected with the second spring, the bottom of second spring and the fixed surface that is located the bulb pole are connected with the packing ring, the bottom of packing ring and the top in close contact with of cover half, the slip blind hole with bulb pole looks adaptation is seted up at the top of cover half, the little effect of impact has been reached, and is rational in infrastructure simple, high durability and convenient use, avoid rigid contact, the rigid impact has been reduced, reduce wearing and tearing or damage, use performance has been improved.

Drawings

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

FIG. 2 is a schematic view of a buffer device;

fig. 3 is a partially enlarged view of a portion a in fig. 1.

In the figure: the device comprises a fixed die 1, a movable die 2, a positioning cone 3, a guide post 4, a guide blind hole 5, a first spring 6, a buffer device 7, a ball head rod 701, a second spring 702, a gasket 703, a cavity 8, a core 9, a hydraulic cylinder 10, an ejector rod 11, a fixing hole 12, a fixing hole 13, a main runner 14, a locking screw 15 and a bottom plate 16.

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: the mobile phone shell injection molding precision mold comprises a fixed mold 1 and a movable mold 2, the fixed mold 1 and the movable mold 2 are connected in a matching manner, a positioning cone 3 is fixedly connected to the top of the fixed mold 1, the positioning cone 3 has a positioning effect, the displacement or dislocation phenomenon is avoided, the mold opening and closing efficiency is improved, a guide post 4 is arranged on the surface of the fixed mold 1, the guide post 4 has a guiding effect, the guiding is increased, the processing precision is high, the product quality is improved, the top end of the guide post 4 penetrates through the fixed mold 1 and extends to the top of the fixed mold, a guide blind hole 5 matched with the top end of the guide post 4 is formed in the bottom of the movable mold 2, a first spring 6 is fixedly connected to the top of the inner wall of the guide blind hole 5, the first spring 6 has a buffering effect and reduces impact, the bottom end of the first spring 6 is in close contact with the top end of the guide post 4, the buffer device 7 has a buffering function, avoids rigid contact, reduces rigid impact, reduces abrasion or damage, and improves use performance, the buffer device 7 comprises a ball rod 701, the top end of the ball rod 701 is fixedly connected with the top edge of the bottom of the movable mold 2, the top edge of the surface of the ball rod 701 is fixedly connected with a second spring 702 which is positioned on the surface of the ball rod 701, the bottom end of the second spring 702 is fixedly connected with a gasket 703 which is positioned on the surface of the ball rod 701, the bottom of the gasket 703 is tightly contacted with the top of the fixed mold 1, the top of the fixed mold 1 is provided with a sliding blind hole matched with the ball rod 701, the center position of the top of the fixed mold 1 is fixedly connected with a cavity 8, the bottom of the movable mold 2 is fixedly connected with a core 9 which corresponds to the cavity 8, the top of the movable mold 2 is fixedly connected with a hydraulic cylinder 10, the hydraulic cylinder 10 provides power for, the top end of the ejector rod 11 is provided with a fixing hole 12, the top center position of the movable mold 2 is fixedly connected with a sprue bush 13, the surface of the movable mold 2 and the position of the sprue bush 13 are provided with a main runner 14, and the bottom of the fixed mold 1 is fixedly connected with a bottom plate 16 through a locking screw 15.

When the device is used, the device is firstly moved to a specified position, one end of the ejector rod 11 is fixedly installed with an external driving mechanism through the fixing hole 12, the hydraulic cylinder 10 and the external driving mechanism are started to work together, the external driving mechanism drives the ejector rod 11 to move, the working end of the hydraulic cylinder 10 pushes the movable mold 2 to move, the guide post 4 is matched with the guide blind hole 5, the positioning cone 3 is matched with the bottom of the surface of the movable mold 2, the positioning cone 3 and the guide post 4 both have a positioning function, the displacement or dislocation phenomenon is avoided, the mold opening and closing efficiency is improved, the top end of the guide post 4 is contacted with the first spring 6, the first spring 6 has a buffering function and reduces impact, and the second spring 702 in the buffering device 7 is compressed to further play a buffering function, avoid rigid contact, reduce rigid impact and reduce abrasion or damage, the use performance is improved, the die assembly is completed at the moment, the injection molding machine is matched and connected with the sprue bush 13 for injection molding, when the die is required to be opened, the hydraulic cylinder 10 is started again to separate the movable die 2 from the fixed die 1, and at the moment, the ejector rod 11 is pushed through the peripheral driving mechanism to push out the product.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

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. Cell phone case injection moulding precision mold, including cover half (1) and movable mould (2), its characterized in that: the fixed die is characterized in that the fixed die (1) and the movable die (2) are connected in a matched mode, a positioning cone (3) is fixedly connected to the top of the fixed die (1), a guide post (4) is arranged on the surface of the fixed die (1), the top end of the guide post (4) penetrates through the fixed die (1) and extends to the top of the fixed die, a guide blind hole (5) matched with the top end of the guide post (4) is formed in the bottom of the movable die (2), a first spring (6) is fixedly connected to the top of the inner wall of the guide blind hole (5), the bottom end of the first spring (6) is in close contact with the top end of the guide post (4), a buffer device (7) is fixedly connected to the bottom of the movable die (2) and close to the guide post (4), a cavity (8) is fixedly connected to the center of the top of the fixed die (1), and a core (9) is fixedly connected to the bottom, the top of the movable mold (2) is fixedly connected with a hydraulic cylinder (10).

2. The mobile phone shell injection molding precision mold of claim 1, characterized in that: the surface of the movable mould (2) is provided with an ejector rod (11), a fixing hole (12) is formed in the top end of the ejector rod (11), a sprue bush (13) is fixedly connected to the center of the top of the movable mould (2), and a main runner (14) is formed in the position, located on the sprue bush (13), on the surface of the movable mould (2).

3. The mobile phone shell injection molding precision mold of claim 1, characterized in that: the bottom of the fixed die (1) is fixedly connected with a bottom plate (16) through a locking screw (15).

4. The mobile phone shell injection molding precision mold of claim 1, characterized in that: buffer (7) include bulb pole (701), the top and the movable mould (2) bottom topside fixed connection of bulb pole (701), the surperficial topside of bulb pole (701) and the fixed surface that is located bulb pole (701) are connected with second spring (702), the bottom of second spring (702) and the fixed surface that is located bulb pole (701) are connected with packing ring (703), the bottom of packing ring (703) and the top in close contact with of cover half (1), the slip blind hole with bulb pole (701) looks adaptation is seted up at the top of cover half (1).

5. The mobile phone shell injection molding precision mold of claim 1, characterized in that: the bottom of the surface of the movable mold (2) is provided with a chute matched with the positioning cone (3).