CN215396582U

CN215396582U - Precision plastic mould

Info

Publication number: CN215396582U
Application number: CN202121768894.0U
Authority: CN
Inventors: 赵明勇; 黄志平
Original assignee: Shenzhen Xinglixin Technology Co ltd
Current assignee: Shenzhen Xinglixin Technology Co ltd
Priority date: 2021-08-01
Filing date: 2021-08-01
Publication date: 2022-01-04
Anticipated expiration: 2031-08-01

Abstract

The utility model discloses a precise plastic mold which comprises a base, a lower mold, a driving mechanism and two groups of jacking assemblies, wherein each jacking assembly comprises an outer sleeve and a jacking plate; according to the utility model, through the matching work of the driving mechanism and the jacking assemblies, when the moving plate is pulled by the air cylinder to move, the trapezoidal block can be in contact with the guide wheel, so that the guide wheel can roll to the top end of the trapezoidal block, and meanwhile, after the position of the guide wheel rises, the telescopic rod can be driven to move upwards, so that the sliding block can be driven to stretch the spring, and the telescopic rod can also drive the jacking plate to move upwards, so that the plastic products in the molding cavities can be jacked upwards, and the rapid demolding can be carried out.

Description

Precision plastic mould

Technical Field

The utility model relates to the technical field of plastic molds, in particular to a precise plastic mold.

Background

The plastic mould is a combined mould for compression moulding, extrusion moulding, injection, blow moulding and low-foaming moulding, and can be used for processing a series of plastic parts with different shapes and sizes by means of the coordinated change of the male mould, the female mould and the auxiliary moulding system.

However, when the conventional plastic mold is used, the molding cavity is easily tightly wrapped in the product molding process due to the fact that the interior of the molding cavity is in the injection molding process, so that the plastic product is difficult to demould.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a precise plastic mold to solve the problem of difficult demolding of the traditional plastic mold.

In order to achieve the purpose, the utility model provides the following technical scheme: accurate plastic mould includes:

a base;

a lower die;

a drive mechanism;

the jacking assemblies are provided with two groups, each jacking assembly comprises an outer sleeve and a jacking plate, a telescopic rod is slidably mounted in the outer sleeve, a sliding block is fixedly mounted at the position, located in the outer sleeve, outside the telescopic rod, a spring is fixedly mounted on the surface of the bottom end of the sliding block, the spring is sleeved outside the telescopic rod, and a guide wheel is rotatably mounted at the bottom end of the telescopic rod through a rotating shaft;

the lower die is fixedly installed at the top end of the base, the driving mechanism is fixedly installed inside the base, the outer sleeve is fixedly installed at the top end inside the base, and the jacking assembly is arranged inside the base.

Preferably, the driving mechanism comprises an air cylinder, the output end of the air cylinder penetrates through the base and is fixedly provided with a movable plate, and trapezoidal blocks are fixedly arranged on two sides of the top end of the movable plate;

wherein, the cylinder fixed mounting is in base outer wall one side.

Preferably, forming cavities are formed in two sides of the top end of the lower die.

Preferably, the top end of the telescopic rod extends into the forming cavity and is fixedly installed on the surface of the bottom end of the jacking plate.

Preferably, two sides of the top end of the moving plate are provided with track grooves matched with the guide wheels.

Preferably, a bending structure is arranged at the bottom end of the telescopic rod close to the guide wheel.

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

1. the utility model can push or pull the moving plate to move when the air cylinder works in practical use through the matching work of the driving mechanism and the jacking assembly, when the cylinder pulls the moving plate to move, the trapezoidal block can contact the guide wheel, so that the guide wheel can roll to the top end of the trapezoidal block, meanwhile, after the position of the guide wheel rises, the telescopic rod can be driven to move upwards, the slide block can be driven to stretch the spring, and the telescopic rod can also drive the jacking plate to move upwards to jack up the plastic product in the molding cavity, can be demoulded quickly, two groups of jacking components can sequentially jack the plastic products in the two molding cavities through a driving mechanism, thereby the drawing of patterns efficiency of plastic goods has been improved, the production efficiency of plastic goods has been improved simultaneously to adopt the guide pulley to remove, can reduce the frictional force between telescopic link and the trapezoidal piece, thereby ensure that the telescopic link rises or the smooth and easy nature that descends.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of a jacking assembly according to the present invention;

fig. 4 is a top view of the moving plate of the present invention.

In the figure: 10-a base; 20-lower mould; 21-forming a cavity; 30-a drive mechanism; 31-a cylinder; 32-moving the plate; 33-a trapezoidal block; 34-a track groove; 40-jacking assembly; 41-an outer sleeve; 42-a jacking plate; 43-a telescopic rod; 44-a slide block; 45-spring; 46-guide wheel.

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, the present invention provides a technical solution: the precision plastic mold comprises a base 10, a lower mold 20, a driving mechanism 30 and a jacking assembly 40.

Wherein, the two sides of the top end of the lower die 20 are provided with forming cavities 21.

In this embodiment, specifically, the lifting plate 42 is slidably installed inside the molding cavity 21.

Wherein, actuating mechanism 30 includes cylinder 31, fixed connection between cylinder 31 and the base 10, and the base 10 and fixed mounting have a movable plate 32 are run through to cylinder 31 output, and movable plate 32 top both sides fixed mounting has trapezoidal piece 33, and the corner of trapezoidal piece 33 top is the arc structure.

In this embodiment, specifically, the cylinder 31 is connected to an external power source and is controlled by a switch.

Further, the cylinder 31 is operated to push or pull the moving plate 32 to move, and can drive the trapezoidal blocks 33 to contact the jacking assembly 40.

The jacking assembly 40 is provided with two sets, the jacking assembly 40 comprises an outer sleeve 41 and a jacking plate 42, a telescopic rod 43 is slidably mounted inside the outer sleeve 41, a sliding block 44 is fixedly mounted at the position, located inside the outer sleeve 41, outside the telescopic rod 43, of the outer portion, a spring 45 is fixedly mounted on the surface of the bottom end of the sliding block 44, the bottom end of the spring 45 is fixedly connected with the outer sleeve 41, the telescopic rod 43 is sleeved with the spring 45, and a guide wheel 46 is rotatably mounted at the bottom end of the telescopic rod 43 through a rotating shaft.

Further, when the cylinder 31 pulls the movable plate 32 to move, the trapezoidal block 33 can be contacted with the guide wheel 46, so that the guide wheel 46 can roll to the top end of the trapezoidal block 33, meanwhile, after the position of the guide wheel 46 rises, the telescopic rod 43 can be driven to move upwards, the slider 44 can be driven to stretch the spring 45, the telescopic rod 43 can also drive the jacking plate 42 to move upwards, the plastic products in the molding cavity 21 can be jacked upwards, the rapid demoulding can be performed, the two sets of jacking assemblies 40 can be used for jacking the plastic products in the two molding cavities 21 sequentially through the driving mechanism 30, so that the demoulding efficiency of the plastic products is improved, the production efficiency of the plastic products is improved, the guide wheel 46 is adopted to move, the friction force between the telescopic rod 43 and the trapezoidal block 33 can be reduced, and the smoothness of ascending or descending of the telescopic rod 43 is ensured.

The lower die 20 is fixedly mounted on the top end of the base 10, the driving mechanism 30 is fixedly mounted inside the base 10, the outer sleeve 41 is fixedly mounted on the top end inside the base 10, and the jacking assembly 40 is disposed inside the base 10.

Wherein, the top end of the telescopic rod 43 extends to the inside of the forming cavity 21 and is fixedly installed on the bottom end surface of the lifting plate 42.

Wherein, two sides of the top end of the moving plate 32 are provided with track grooves 34 matched with the guide wheels 46.

Further, the guide wheel 46 can roll in the track groove 34, so that the stability of the guide wheel 46 during rolling can be improved, and the guide wheel 46 is prevented from deviating.

Wherein, the bottom end of the telescopic rod 43 is provided with a bending structure near the guide wheel 46.

Further, when the guide wheel 46 moves upward along the trapezoidal blocks 33, it is convenient to lift up the telescopic bar 43 upward.

The working principle is as follows: when using, when cylinder 31 pulling movable plate 32 removed, can make trapezoidal piece 33 contact guide pulley 46, make guide pulley 46 can roll to trapezoidal piece 33 top, guide pulley 46 position rises the back simultaneously, can drive telescopic link 43 rebound, then can drive slider 44 and stretch spring 45, and telescopic link 43 also can drive jacking board 42 rebound, can be with the plastic product jack-up that becomes in the chamber 21, can carry out quick drawing of patterns, after the drawing of patterns, cylinder 31 promotes movable plate 32 and resumes to the initial position, guide pulley 46 then can roll to movable plate 32 from trapezoidal piece 33 top, spring 45 elastic force simultaneously, it is stable along vertical direction rebound to promote telescopic link 43, make jacking board 42 resume to the initial position, the realization is moulded plastics fast to shaping intracavity portion.

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.

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. Accurate plastic mould, its characterized in that includes:

a base (10);

a lower mold (20);

a drive mechanism (30);

the lifting device comprises two groups of lifting assemblies (40), each lifting assembly (40) comprises an outer sleeve (41) and a lifting plate (42), a telescopic rod (43) is slidably mounted inside the outer sleeve (41), a sliding block (44) is fixedly mounted at the position, located inside the outer sleeve (41), outside the telescopic rod (43), a spring (45) is fixedly mounted on the surface of the bottom end of the sliding block (44), the spring (45) is sleeved outside the telescopic rod (43), and a guide wheel (46) is rotatably mounted at the bottom end of the telescopic rod (43) through a rotating shaft;

the lower die (20) is fixedly arranged at the top end of the base (10), the driving mechanism (30) is fixedly arranged inside the base (10), the outer sleeve (41) is fixedly arranged at the top end inside the base (10), and the jacking assembly (40) is arranged inside the base (10).

2. The precision plastic mold of claim 1, wherein: the driving mechanism (30) comprises an air cylinder (31), the output end of the air cylinder (31) penetrates through the base (10) and is fixedly provided with a moving plate (32), and trapezoidal blocks (33) are fixedly arranged on two sides of the top end of the moving plate (32);

wherein, the cylinder (31) is fixedly arranged on one side of the outer wall of the base (10).

3. The precision plastic mold of claim 1, wherein: and forming cavities (21) are formed in two sides of the top end of the lower die (20).

4. The precision plastic mold of claim 1, wherein: the top end of the telescopic rod (43) extends into the forming cavity (21) and is fixedly arranged on the bottom end surface of the jacking plate (42).

5. The precision plastic mold of claim 2, wherein: two sides of the top end of the moving plate (32) are provided with track grooves (34) matched with the guide wheels (46).

6. The precision plastic mold of claim 1, wherein: the bottom end of the telescopic rod (43) is provided with a bending structure close to the guide wheel (46).