CN201002319Y

CN201002319Y - Plastic part forming die

Info

Publication number: CN201002319Y
Application number: CNU2007200031950U
Authority: CN
Inventors: 赖朝宏
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-02-05
Filing date: 2007-02-05
Publication date: 2008-01-09
Anticipated expiration: 2017-02-05

Abstract

The utility model discloses a plastic part forming die, it includes: the main die is provided with a main die cavity and a shaft hole; a secondary die, on which a secondary die cavity matched with the primary die cavity is arranged; the die comprises a die holder, a first die and a second die, wherein the die holder is provided with a first end and a second end which are opposite, the first end is provided with at least one protruding first die core, the second end is provided with at least one protruding second die core, and when the first die core, the main die and the auxiliary die are closed, the second die core is exposed; the rotating shaft is provided with a first end and a second end, and a longitudinal axis extending from the first end to the second end, the first end of the rotating shaft is connected with the die holder, and the second end of the rotating shaft is arranged in the shaft hole of the main die in a penetrating mode, so that the die holder can rotate and move relative to the main die. The utility model discloses have two sets of benevolence, when a set of benevolence and master mode and vice mould compound die, another group's benevolence exposes, and can supply the operator to peel off fashioned work piece or inlay at waiting for fashioned in-process and put the fashioned work piece of treating, make full use of wait for the shaping time, improved output.

Description

The plastic parts mould

Technical field

The utility model relates to a kind of plastic parts mould, refers to especially a kind ofly have two groups of dies, moulding and peel off or set the plastic parts mould that operation can be operated simultaneously.

Background technology

Known embedded mould is shown in Figure 11,12, and it comprises a master mold 70 and a die holder 80, and this master mold 70 is provided with a plurality of die cavitys 71, and this die holder 80 is provided with a plurality of dies 81 that cooperate with die cavity 71.This known mould is when moulding, the operator is embedded in work package to be formed 90 on the die 81 of die holder 80 earlier, die holder 80 and master mold 70 are moved in opposite directions, make die 81 carry that work package to be formed 90 stretches into the die cavity 71 of master mold 70 and mould closes, the plastic cement that penetrates another color makes work package to be formed form multiple color on work package to be formed.After work package is molded, die holder 80 is separated with master mold 70, make die 81 break away from die cavity 71, shaping work spare rests in the die cavity 71, only all the other tail ends expose, and the operator takes off shaping work spare from die cavity 71 more one by one, after taking out shaping work spare fully, the operator must set work package to be formed again on the die 81 of die holder 80, continue to repeat above-mentioned moulding flow process then.Hence one can see that, this mould of commonly using design only can be waited for the operator in forming process, and can not do setting or the action of stripping operation spare of other, be that work package must be finished moulding, after die 81 breaks away from the die cavity 71 of master mold 70, just can do the action of peeling off shaping workpiece and setting another batch work package to be formed, thereby increase the time of whole moulding, lower output.

The utility model content

The purpose of this utility model is to provide a kind of plastic parts mould that shortens the work package molding time, improves output.

For achieving the above object, the utility model is by the following technical solutions:

A kind of plastic parts mould is a set of molds, it is characterized in that it comprises:

One main mould, this main mould is provided with a main die cavity and an axis hole;

One with the secondary mould of the corresponding cooperation of described main mould, have the secondary die cavity that cooperates with described main die cavity on this pair mould, described main mould and secondary mould can relatively move and make main die cavity and secondary die cavity do the action of matched moulds and die sinking;

One die holder, this die holder has the first opposite end and second end, and this first end is provided with first die of at least one projection, and this second end is provided with second die of at least one projection, when first die of this die holder and described main mould and secondary mould matched moulds, this second die exposes;

One rotating shaft, this rotating shaft has first end and second end, reaches the longitudinal axis that extends to this second end from this first end, and first end of this rotating shaft connects described die holder, second end of this rotating shaft is located in the axis hole of described main mould, so that die holder can and move relative to main mould rotation.

The side face of described rotating shaft is provided with together the elongated slot that extends in parallel with described longitudinal axis, and the axis hole wall of described main mould is embedded with spring and ball, ball bear the elastic force of spring and local projection outside, this ball is embedded in the elongated slot of described rotating shaft, makes the rotating shaft location.

Described rotating shaft is provided with one and activates device, and this actuating device can drive described rotating shaft rotation, and then drives described die holder rotation.

Actuating device can comprise: a follower, this follower are set in the described rotating shaft, can drive the rotating shaft rotation; One motor; One is connected the driving wheel on the output shaft of motor; One moving part, this moving part connects driving wheel and follower, and the power that makes motor transfers to follower via driving wheel and moving part.Driving wheel and follower are sprocket wheel, and moving part is a chain, and this chain interlocks two sprocket wheels and forms interlock.

Actuating device also can comprise: a gear, this geared sleeve are located in the described rotating shaft, can drive the rotating shaft rotation; One actuator, this actuator comprise a cylinder body and can relative cylinder body flexible expansion link, this expansion link is provided with tooth bar, tooth bar is provided with a plurality of double wedges that match with gear, the double wedge of tooth bar and gears engaged and form interlock.Actuator is an oil hydraulic cylinder.

Respectively be provided with a tank that matches with described die holder side face contour shape on described main mould and the secondary mould, when the die matched moulds on described main mould, secondary mould and the die holder, described die holder is contained in the tank of described main mould and secondary mould.

Described die holder is provided with a fish eyelet, first end of described rotating shaft penetrates the bigger end in this fish eyelet aperture, first end face of described rotating shaft is provided with a screw, the less end in this fish eyelet aperture wears a bolt, this bolt end has the thread that matches with screw, this bolt is arranged in the fish eyelet, and with the thread of this bolt and the screwhole spiro bonding of rotating shaft, and make described die holder be fixed in first end of described rotating shaft.

The quantity of described first die and second die respectively is four, and these four first dies and this four second dies all are the row of arranging.

The utility model has the advantages that: this plastic parts mould has two groups of dies, when one group of die and main mould and secondary mould matched moulds, another group die exposes, and can in waiting process to be formed, peel off in type work package or set work package to be formed for the operator, time to be formed such as made full use of, whole molding time is shortened, improved output.

Description of drawings

Fig. 1 is the decomposing schematic representation of the utility model plastic parts mould;

Fig. 2 is a local combination schematic diagram of the present utility model;

Fig. 3 is the combination partial sectional view of the utility model rotating shaft and die holder;

Fig. 4 is the combination schematic diagram of first embodiment of the utility model rotating shaft and main mould;

Fig. 5 is the combination schematic diagram of second embodiment of the utility model rotating shaft and main mould;

Fig. 6 is the first embodiment schematic diagram that the utility model rotating shaft is designed to automated manner;

Fig. 7 is the second embodiment schematic diagram that the utility model rotating shaft is designed to automated manner;

Fig. 8 is a basic skills schematic diagram of the present utility model;

Fig. 9 A is the utility model is packed with earlier work package to be formed on first die a front view;

Fig. 9 B is the utility model first die matched moulds and the front view that is not packed with work package to be formed as yet on second die;

Fig. 9 C is the utility model first die matched moulds and the front view that is packed with work package to be formed on second die;

Fig. 9 D is the front view of the molded die sinking of work package on the utility model first die;

Fig. 9 E is the front view that the utility model die holder is recessed main mould;

Fig. 9 F is the utility model die holder rotation and make work package front view outwardly on first die;

Fig. 9 G is the front view that the utility model is peeled off molded work package on first die;

Fig. 9 H is the front view that the utility model second die matched moulds while first die is exposed outside;

Fig. 9 I is the utility model second die matched moulds and the front view that is packed with work package to be formed on first die;

Fig. 9 J is the front view of the molded die sinking of work package on the utility model second die;

Fig. 9 K is the front view that the utility model die holder is recessed main mould;

Fig. 9 L is the utility model die holder rotation and make work package front view outwardly on second die;

Fig. 9 M is the front view that the utility model is peeled off molded work package on second die;

Figure 10 A is the side view that the utility model first die is packed with work package to be formed;

Figure 10 B is the utility model first die matched moulds and the side view that is not to be packed with on second die work package to be formed as yet;

Figure 10 C is the in type side view of work package on the utility model first die;

Figure 10 D is that the rotation of the utility model die holder makes the molded work package side view outwardly on first die;

Figure 10 E is the side view that the utility model is peeled off the molded work package on first die;

Figure 11 is the die sinking schematic diagram of known embedded mould;

Figure 12 is the matched moulds schematic diagram of relative Figure 11.

The specific embodiment

As shown in Figure 1, the utility model mainly comprises:

One main mould 10 has at least one main die cavity 11 on this main mould 10, and this main mould 10 is provided with an axis hole 12;

One secondary mould 20, this pair mould 20 and main mould 10 corresponding cooperations have at least one and the secondary die cavity 21 that main die cavity 11 cooperates on this pair mould 20, and main mould 10 can relatively move with secondary mould 20 and make main die cavity 11 and secondary die cavity 21 do the action of matched moulds and die sinking;

One die holder 30, this die holder 30 has the first opposite end and second end, first die 31 that first end of this die holder 30 is provided with at least one projection (is to be example with four first dies shown in the figure, and these four first dies are the row of arranging), second die 32 that second end of this die holder 30 is provided with at least one projection (is to be example with four second dies shown in the figure, and these four second dies also are the row of arranging), when first die 31 of this die holder 30 during with main mould 10 and secondary mould 20 matched moulds, second die 32 exposes;

One rotating shaft 40, this rotating shaft 40 is extended with certain-length and has first end and second end, and this rotating shaft 40 has the longitudinal axis that extends to this second end from this first end, first end of this rotating shaft 40 is for being connected and fixed die holder 30, second end of this rotating shaft 40 is then for being located in the axis hole 12 of main mould 10, so that die holder 30 can and move relative to main mould 10 rotations.

As shown in Figure 2, during combination the utility model each part, first end and the die holder 30 of rotating shaft 40 is connected and fixed, second end with rotating shaft 40 is located in the axis hole 12 of main mould 10 again, die holder 30 die holder 30 articulated, so that can rotate relative to main mould 10 with main mould 10 via rotating shaft 40.So, when first die 31 and the main mould 10 of die holder 30, secondary mould 20 relative matched moulds, second die 32 can expose, for setting work package to be formed.In like manner, when second die 32 and the main mould 10 of die holder 30, secondary mould 20 relative matched moulds, first die 31 can expose, for peeling off in type work package and setting work package to be formed.

Be illustrated in figure 5 as a preferred embodiment of the present utility model, rotating shaft 40 side faces are provided with at least one elongated slot 41 that extends in parallel with longitudinal axis, be embedded with spring 120 and ball 121 in the wall of the axis hole 12 of main mould 10, this ball 121 bear the elastic force of spring 120 and local projection outside, this ball 121 can embed in the elongated slot 41 of rotating shaft 40, and makes rotating shaft 40 location.Be illustrated in figure 4 as of the present utility model one better embodiment, rotating shaft 40 side faces are provided with the

elongated slot

41,42 that twice and longitudinal axis extend in parallel, this two

elongated slot

41,42 lays respectively on the end positions of rotating shaft 40 1 hundred 80 degree central angles, be embedded with spring 120 and ball 121 in the wall of the axis hole 12 of main mould 10, this ball 121 bear the elastic force of this spring 120 and local projection outside, this ball 121 can embed in the

elongated slot

41,42 of rotating shaft 40, and rotating shaft 40 every Rotate 180 degree all can be located.

During use, the operator, can order about main relatively mould 10 rotations of die holder 30, and reach the purpose of rotating die die holder 30 application of forces with hand.Except manual mode, the utility model also can be designed to automated manner, and as shown in Figure 6, the utility model can be provided with one in rotating shaft 40 and activate device 50, drives rotating shaft 40 rotations with this actuating device 50, and then drives die holder 30 rotations.

Be illustrated in figure 6 as a specific embodiment of actuating device 50, it comprises:

One follower 51, this follower 51 is set in the rotating shaft 40, can drive rotating shaft 40 rotations;

One motor 52;

One is connected the driving wheel 53 on the output shaft of motor 52;

One moving part 54, this moving part 54 connects driving wheel 53 and follower 51, makes the power of motor 52 transfer to follower 51 via driving wheel 53 with moving part 54.

As shown in Figure 6, driving wheel 53 is respectively sprocket wheel with follower 51, and moving part 54 is a chain, and chain interlocks two sprocket wheels and forms interlock.

Be illustrated in figure 7 as another embodiment of actuating device 50, it comprises:

One gear 55, this gear 55 is set in the rotating shaft 40, can drive rotating shaft 40 rotations;

One actuator 56, this actuator 56 comprise a cylinder body 57 and can be relative the flexible expansion link 58 of this cylinder body 57, this expansion link 58 is provided with tooth bar 580, and this tooth bar 580 is provided with a plurality of double wedges that match with gear 55, and the double wedge of this tooth bar 580 and gear 55 mesh and the formation interlock.Wherein, actuator 56 can be oil hydraulic cylinder.

As shown in Figure 1, in the specific embodiment of the present utility model, respectively be provided with a

tank

13,22 that matches with die holder 30 side face contour shapes on main mould 10 and the secondary mould 20, when the die matched moulds on main mould 10, secondary mould 20 and the die holder 30, die holder 30 is contained in the

tank

13,22 of main mould 10 and secondary mould 20.

As Fig. 1, shown in Figure 3, die holder 30 is provided with a fish eyelet 33, first end of rotating shaft 40 penetrates the bigger end in these fish eyelet 33 apertures of die holder 30, first end face of rotating shaft 40 is provided with a screw 43, the less end in these fish eyelet 33 apertures wears a bolt 34, and these bolt 34 ends have the thread that matches with screw 43, and this bolt 34 is arranged in this fish eyelet 33 of die holder 30, and screw togather, and make die holder 30 be fixed on first end of rotating shaft 40 with the thread of this bolt 34 and the screw 43 of rotating shaft 40.

As shown in Figure 8, use basic skills of the present utility model mainly to comprise:

(a) provide one group of set of molds, comprise main mould 10, one a secondary mould 20 and a die holder 30, this main mould 10 has main die cavity 11, this pair mould 20 has the secondary die cavity 21 that cooperates with main die cavity 11, this main mould 10 can relatively move with secondary mould 20 and make main die cavity 11 and secondary die cavity 21 do the action of matched moulds and die sinking, wherein, die holder 30 has and is rightabout first end and second end, first end is provided with first die 31 of at least one projection, second end is provided with second die 32 of at least one projection, and die holder 30 can and move and does the action of matched moulds and die sinking relative to 10 rotations of main mould;

(b) use this set of molds may further comprise the steps:

(b1) when first die 31 and main mould 10 and secondary mould 20 matched moulds, second die 32 exposes and can supply to set work package to be formed or peel off in type work package;

(b2) when second die 32 and main mould 10 and secondary mould 20 matched moulds, first die 31 exposes and can supply to set work package to be formed or peel off in type work package.

Concrete use step of the present utility model comprises:

(b0) on first die 31, be packed with work package to be formed 60 (as Fig. 9 A and Figure 10 A);

(b1) make first die 31 and main mould 10 and secondary mould 20 matched moulds, make second die 32 be exposed outside (as Fig. 9 B and Figure 10 B) simultaneously;

(b11) on second die 32 that exposes, be packed with work package to be formed 60 (as Fig. 9 C and Figure 10 C);

(b12) after the work package moulding on first die 31, separate main mould 10 and secondary mould 20 (as Fig. 9 D), and die holder 30 is moved relative to main mould 10, make first die 31 leave the main die cavity 11 (as Fig. 9 E) of main mould 10 together with in type work package 61;

(b13) make the main relatively mould 10 Rotate 180 degree of die holder 30, make work package to be formed 60 on second die 32, and in type work package 61 moves to the outside (as Fig. 9 F and Figure 10 D) on first die 31 towards main mould 10;

(b14) in type work package 61 on this first die 31 is peeled off (as Fig. 9 G and Figure 10 E);

(b2) make second die 32 and main mould 10 and secondary mould 20 matched moulds, make first die 31 be exposed outside (as Fig. 9 H) simultaneously;

(b21) and on first die 31, be packed with work package 60 to be formed (as Fig. 9 I);

(b22) after the work package moulding on second die 32, open main mould 10 and secondary mould 20 (as Fig. 9 J), and die holder 30 is moved relative to main mould 10, make second die 32 leave the main die cavity 11 (as Fig. 9 K) of main mould 10 together with in type work package;

(b23) make the main relatively mould 10 Rotate 180 degree of die holder 30, make work package on first die 31, and in type work package 61 moves to the outside (as Fig. 9 L) on second die 32 towards main mould 10;

(b24) in type work package 61 on second die 32 is peeled off (as Fig. 9 M);

(c) repeating step (b1) is to (b24);

(d) finish power cut-off.

The utility model comprises main mould, secondary mould and has two groups of die holders that are rightabout die, one rotating shaft can make die holder articulate with main mould and can rotate relatively, one group of die is when the matched moulds moulding is waited for, another group die exposes and can supply to peel off in type work package and set work package to be formed, again by the rotation die holder, and the replacement that can do two groups of dies is moved, and then saves the time of peeling off and setting work package, reaches the purpose of effective raising output.The utlity model has the advantage that improves output, can effectively improve the shortcoming of known mould.

Claims

1. A molding mold for plastic parts, which is a mold set, is characterized in that it includes:

A main mold, the main mold is provided with a main mold cavity and a shaft hole;

A secondary mold corresponding to the main mold, the secondary mold has a secondary mold cavity matched with the main mold cavity, the main mold and the secondary mold can move relatively to make the main mold cavity and the secondary mold cavity The action of closing and opening the mold;

a mold base, the mold base has opposite first end and second end, the first end is provided with at least one protruding first mold core, and the second end is provided with at least one protruding second mold core, When the first mold core of the mold base is closed with the main mold and the secondary mold, the second mold core is exposed;

A rotating shaft, the rotating shaft has a first end and a second end, and a longitudinal axis extending from the first end to the second end, the first end of the rotating shaft is connected to the mold base, and the second end of the rotating shaft passes through the The shaft hole of the main mold allows the mold base to rotate and move relative to the main mold.

2. The molding mold for plastic parts according to claim 1, characterized in that:

A long groove extending parallel to the longitudinal axis is provided on the peripheral surface of the rotating shaft. Springs and balls are embedded in the shaft hole wall of the main mold. The balls protrude partially under the elastic force of the springs. In the long slot of the rotating shaft, the rotating shaft is positioned.

3. The molding mold for plastic parts according to claim 1, characterized in that:

The rotating shaft is connected with an actuating device, and the actuating device can drive the rotating shaft to rotate, and then drive the mold base to rotate.

4. The molding mold for plastic parts according to claim 3, characterized in that:

The actuating device includes:

a passive wheel, which is sleeved on the rotating shaft and can drive the rotating shaft to rotate;

a motor;

a driving wheel connected to the output shaft of the motor;

A linking piece, the linking piece connects the driving wheel and the driven wheel, so that the power of the motor is transmitted to the driven wheel through the driving wheel and the linking piece.

5. The molding mold for plastic parts according to claim 4, characterized in that:

Both the driving wheel and the driven wheel are sprockets, and the linking member is a chain, and the chain is sleeved on the two sprockets to form a link.

6. The molding mold for plastic parts according to claim 3, characterized in that:

The actuating device includes:

a gear, which is sheathed on the rotating shaft and can drive the rotating shaft to rotate;

An actuator, the actuator includes a cylinder and a telescopic rod that can be stretched relative to the cylinder, the telescopic rod is provided with a rack, the rack is provided with a plurality of protruding teeth that match the gears, and the protruding teeth of the rack Mesh with the gear to form linkage.

7. The molding mold for plastic parts according to claim 6, characterized in that:

The actuator is a hydraulic cylinder.

8. The molding mold for plastic parts according to claim 1, characterized in that:

The main mold and the auxiliary mold are each provided with a groove that matches the contour shape of the mold base. In the cavity of the main mold and the secondary mold.

9. The molding mold for plastic parts according to claim 1, characterized in that:

The mold base is provided with a fisheye hole, the first end of the rotating shaft penetrates into the larger end of the fisheye hole, the first end surface of the rotating shaft is provided with a screw hole, and the smaller fisheye hole One end is pierced with a bolt, and the end of the bolt has a thread matched with the screw hole. The bolt is passed through the fish eye hole, and the thread of the bolt is screwed with the threaded hole of the rotating shaft, so that the mold base fixed on the first end of the rotating shaft.

10. The molding mold for plastic parts according to claim 1, characterized in that:

There are four first mold cores and four second mold cores, and the four first mold cores and the four second mold cores are arranged in a row.