CN215849476U - Plastic mold locking mechanism with front mold ejection function - Google Patents

Abstract

The utility model discloses a plastic mould lock catch mechanism with a front mould ejection function, which comprises a rear mould and a front mould buckled with the top surface of the rear mould, wherein buckling holes are formed in two sides of the top surface of the rear mould; according to the utility model, the front mold can be locked and fixed after being buckled with the rear mold through the spring groove, the spring, the locking block and the locking groove, plastic expansion in the injection molding process is avoided, the stability of connection of the front mold and the rear mold during injection molding is improved, and the shape of the locking block is set to be convex, so that the device can separate the plastic part from the front mold and the rear mold without manual disassembly when ejecting the plastic part, the stability of the front mold and the rear mold during injection molding is improved, and the ejection and demolding efficiency of the plastic part of the device is higher.

Description

Plastic mold locking mechanism with front mold ejection function

Technical Field

The utility model relates to the field of molds, in particular to a locking mechanism with a front mold ejection function for a plastic mold.

Background

The plastic mould is a combined mould for compression moulding, extrusion moulding, injection, blow moulding and low foaming moulding, mainly comprising a concave mould with a variable cavity composed of a concave mould combined base plate, a concave mould component and a concave mould combined clamping plate, and a series of plastic parts with different shapes and sizes can be processed by the coordinated change of the convex mould, the concave mould and an auxiliary forming system.

When the plastic mold is used, the front mold is usually buckled on the top surface of the rear mold, injection molding is carried out on the inner part of the mold through an injection molding hole of the front mold, so that the plastic mold is molded, the existing plastic mold with the ejection of the front mold is usually connected by adopting the guide pillar when being buckled, although the guide pillar can avoid the mold from displacing, the front mold and the rear mold cannot be connected together in a locking way, and a plastic part which is subjected to injection molding is deformed and cannot be used, so that the waste of time and cost is caused.

There is therefore a need for a locking mechanism for plastic molds with front mold ejection that ameliorates the above problems.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the utility model provides a locking mechanism for ejecting a front mold of a plastic mold, so as to solve the problems in the background art.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a plastic mould takes ejecting latched device of front mould, includes the back mould and with the front mould of back mould top surface lock, the lock hole has been seted up to back mould top surface both sides, the one side both sides of front mould and back mould lock are worn to be equipped with the guide pillar butt inside the lock hole, the lockhole has been seted up to lock hole bottom, the guide pillar extends to inside the lockhole, the lockhole bottom is equipped with the closure structure butt inside the guide pillar both sides that are located the lockhole inside.

As a preferred technical scheme of the utility model, the inner side of the buckling hole is provided with a pop-up structure which is sleeved outside the guide post.

As a preferred technical scheme of the utility model, the locking structure internally comprises spring grooves, springs, locking blocks and locking grooves, the spring grooves are positioned on two sides of the bottom of the lock hole, the springs are positioned in the spring grooves, the locking blocks are positioned at the tops of the ends, close to the lock hole, of the springs, and the locking grooves are positioned on two sides of a section of the bottom, extending to the inside of the lock hole, of the guide pillar.

As a preferred technical scheme of the utility model, the spring grooves are formed in two sides of the bottom of the lock hole, two ends of the spring are fixed on end faces of two sides of the inner wall of the spring groove, the locking block is fixedly connected to the top of one end, close to the lock hole, of the spring and horizontally reciprocates inside the spring groove, and one end, far away from the spring groove, of the locking block penetrates through the interior of the lock hole and is locked with the lock groove.

As a preferred technical scheme of the utility model, the spring structure comprises a pressure spring and a spring baffle plate, the pressure spring is vertically connected to the inner side of the buckling hole, the spring baffle plate is fixed in the middle of a section of the guide pillar located in the buckling hole, and the bottom surface of the spring baffle plate abuts against the top end of the pressure spring to drive the pressure spring to reciprocate in the vertical direction.

Compared with the prior art, the utility model can achieve the following beneficial effects:

1. according to the utility model, the front mould can be locked and fixed after being buckled with the rear mould through the spring groove, the spring, the locking block and the locking groove, so that the problem that plastic expands in the injection molding process and the front mould and the rear mould generate a gap to cause deformation of a plastic part is avoided, the stability of connection of the front mould and the rear mould in the injection molding process is improved, and the shape of the locking block is set to be convex, so that the plastic part can be separated from the front mould and the rear mould without manual splitting when the plastic part is ejected out, the stability of the front mould and the rear mould in the injection molding process is improved, and the ejection and demoulding efficiency of the plastic part of the device is higher;

2. the spring out structure at lock hole middle part through its inside pressure spring, the fender spring board that sets up, makes the front mould be connected the completion back with the back mould, and the front mould can one kind keep inside atress under the thrust of spring for mould the piece at injection moulding, it is littleer through the required motive force of front mould when ejecting, and mould split speed is faster, and production efficiency obtains improving.

Drawings

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

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

FIG. 3 is an enlarged view of the locking structure of the present invention;

FIG. 4 is an enlarged schematic view of the pop-up structure of the present invention;

wherein: 1. a rear mold; 2. a front mold; 3. a guide post; 4. buckling holes; 5. a lock hole; 6. a locking structure; 7. a spring slot; 8. a spring; 9. a locking block; 10. locking the groove; 11. a pop-up structure; 12. a pressure spring; 13. a stop spring plate.

Detailed Description

The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

referring to fig. 1-3, the present invention provides a technical solution:

the utility model provides a plastic mould takes ejecting latched device of front mould, includes back mould 1 and with the front mould 2 of 1 top surface lock of back mould, buckling hole 4 has been seted up to 1 top surface both sides of back mould, and front mould 2 wears to be equipped with guide pillar 3 butt inside buckling hole 4 with the one side both sides of 1 lock of back mould, and lockhole 5 has been seted up to 4 bottoms in buckling hole, and inside guide pillar 3 extended to lockhole 5, lockhole 5 bottoms are equipped with 6 butts of closure structure inside 3 both sides of guide pillar that are located lockhole 5.

Referring to fig. 1-3, the locking structure 6 includes a spring slot 7, a spring 8, a locking block 9, and a locking slot 10 inside, the spring slot 7 is located on both sides of the bottom of the locking hole 5, the spring 8 is located inside the spring slot 7, the locking block 9 is located on the top of one end of the spring 8 close to the locking hole 5, the locking slot 10 is located on both sides of a section of the bottom of the guide pillar 3 extending to the inside of the locking hole 5, the spring slot 7 is opened on both sides of the bottom of the locking hole 5, both ends of the spring 8 are fixed on both side end faces of the inner wall of the spring slot 7, the locking block 9 is fixedly connected to the top of one end of the spring 8 close to the locking hole 5 and horizontally reciprocates inside the spring slot 7, and one end of the locking block 9 far from the spring slot 7 penetrates through the inside of the locking hole 5 to be locked with the locking slot 10;

according to the utility model, through the arrangement of the spring groove 7, the spring 8, the locking block 9 and the locking groove 10, the front mold 2 can be locked and fixed after being buckled with the rear mold 1, the problem that plastic expansion is caused in the injection molding process and the front mold 2 and the rear mold 1 generate a gap to cause deformation of a plastic part is avoided, the stability of connection of the front mold 2 and the rear mold 1 during injection molding is improved, and the shape of the locking block 9 is convex, so that the plastic part can be separated from the front mold 2 and the rear mold 1 without manual separation when the plastic part is ejected out, the stability of injection molding of the front mold 2 and the rear mold 1 is improved, and the ejection and demolding efficiency of the plastic part of the device is higher.

Referring to fig. 1 and 4, the other parts of this embodiment are the same as the embodiment of embodiment 1, and the different parts are as follows: the inner side of the buckling hole 4 is provided with a pop-up structure 11 which is sleeved outside the guide post 3.

Referring to fig. 1 and fig. 4, the present invention provides a technical solution:

the spring structure 11 comprises a pressure spring 12 and a spring baffle plate 13, the pressure spring 12 is vertically connected to the inner side of the buckling hole 4, the spring baffle plate 13 is fixed in the middle of a section of the guide post 3 positioned in the buckling hole 4, and the bottom surface of the spring baffle plate 13 abuts against the top end of the pressure spring 12 to drive the pressure spring 12 to reciprocate in the vertical direction;

the spring structure 11 at the middle part of the buckling hole 4 is connected with the rear die 1 through the pressure spring 12 and the stop spring plate 13 which are arranged inside the spring structure, so that the front die 2 can keep internal stress under the thrust of the pressure spring 12, the plastic part is subjected to injection molding, the required thrust is smaller when the front die 2 is ejected out, the die splitting speed is faster, and the production efficiency is improved.

The working process of the utility model is as follows: during the use, with front mould 2 lock at 1 top surface of back mould, make the guide pillar 3 butt of 2 bottom surfaces of front mould 2 inside buckling hole 4, when guide pillar 3 gets into buckling hole 4, because the driving force of the inside pressure spring 12 of pop-up structure 11, need use great power to press front mould 2, after guide pillar 3 stretches into buckling hole 4 inside completely, one section that the 3 bottom of guide pillar is located the inside of lockhole 5 will block inside locking structure 6, after the closure is fixed, can pour into the plastic into to the inside of front mould 2, after moulding plastics and accomplishing, can separate front mould 2 and back mould 1 through front mould 2 ejecting, will mould a ejecting.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

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 (5)

1. The utility model provides a plastic mould takes ejecting latched device of front mould, include back mould (1) and with front mould (2) of back mould (1) top surface lock, lock hole (4) have been seted up to back mould (1) top surface both sides, front mould (2) with guide pillar (3) butt are worn to be equipped with in one side both sides of back mould (1) lock and are in inside lock hole (4), its characterized in that: a lock hole (5) is formed in the bottom of the buckling hole (4), the guide pillar (3) extends into the lock hole (5), and a locking structure (6) is arranged at the bottom of the lock hole (5) and abuts against the insides of two sides of the guide pillar (3) in the lock hole (5).

2. The plastic mold locking mechanism with front mold ejection as claimed in claim 1, wherein: the inner side of the buckling hole (4) is provided with an ejecting structure (11) which is sleeved on the outer side of the guide post (3).

3. The plastic mold locking mechanism with front mold ejection as claimed in claim 1, wherein: the locking structure (6) comprises a spring groove (7), a spring (8), a locking block (9) and a locking groove (10) in the interior, the spring groove (7) is located on two sides of the bottom of the lock hole (5), the spring (8) is located in the spring groove (7), the locking block (9) is located at the top of one end, close to the lock hole (5), of the spring (8), and the locking groove (10) is located on two sides of one section of the bottom, extending to the interior of the lock hole (5), of the guide pillar (3).

4. The plastic mold locking mechanism with front mold ejection as claimed in claim 3, wherein: spring slot (7) are seted up lockhole (5) bottom both sides, spring (8) both ends are fixed spring slot (7) inner wall both sides terminal surface, locking piece (9) fixed connection be in spring (8) are close to the horizontal reciprocating motion in the one end top of lockhole (5) spring slot (7) are inboard, keeping away from locking piece (9) the one end of spring slot (7) is worn to locate lockhole (5) inside with lockhole (10) closure.

5. The plastic mold locking mechanism with front mold ejection as claimed in claim 2, wherein: the pop-up structure (11) comprises a pressure spring (12) and a spring blocking plate (13) inside, the pressure spring (12) is vertically connected to the inner side of the buckling hole (4), the spring blocking plate (13) is fixed to the middle of the section, located in the buckling hole (4), of the guide pillar (3), and the bottom surface of the spring blocking plate (13) abuts against the top end of the pressure spring (12) to drive the pressure spring (12) to do reciprocating motion in the vertical direction.

Images