CN217346523U - Cutting mechanism and die device - Google Patents

Abstract

The utility model provides a shutdown mechanism and mold device relates to the technical field of mould. The cutting mechanism is applied to a die device and comprises a cutter and a first channel; the first channel is configured to penetrate through the rear mold core, and the first end of the first channel is opposite to the joint of the product and the water gap; the cutter part is inserted in the first channel, and the cutter can do linear reciprocating motion along the axial direction of the first channel under the driving of external force so as to extend out or retract into the first end of the first channel. The utility model discloses a low and with high costs technical problem of the injection molding process production efficiency who exists in the technique has been solved.

Description

Cutting mechanism and die device

Technical Field

The utility model belongs to the technical field of the mould technique and specifically relates to a shutdown mechanism and die set are related to.

Background

In the prior art, after the injection molding of a large water gap side glue inlet product, an independent punching jig is adopted to separate the product from a water gap, and the problems of low production efficiency and high cost exist.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shutdown mechanism and mould device to alleviate the low and with high costs technical problem of the injection molding process production efficiency who exists among the prior art.

In order to solve the technical problem, the utility model provides a technical scheme lies in:

in a first aspect, the utility model provides a cutting mechanism applied to a mold device, comprising a cutter and a first channel;

the first channel is configured to penetrate through the rear mold core, and the first end of the first channel is opposite to the joint of the product and the water gap;

the cutter part is inserted in the first channel, and the cutter can do linear reciprocating motion along the axial direction of the first channel under the driving of external force so as to extend or retract the first end of the first channel.

Alternatively,

the cutting knife and the first channels are arranged in a plurality, the first channels are arranged in parallel at intervals and are configured to be correspondingly communicated with the joints of the products and the water gaps respectively;

the plurality of cutters and the plurality of first channels are arranged in a one-to-one correspondence mode.

Alternatively,

the cutting mechanism further comprises a second channel and a push rod;

the second channel is communicated with the first channel, and the push rod part is inserted into the second channel and is in transmission connection with one end of the cutter, which is exposed out of the first channel.

Or,

the cutting mechanism also comprises a push plate and a fixed plate;

the push plate and the fixed plate are both positioned in the second channel, the fixed plate is positioned at the opening of the second channel, and the push plate is positioned between the fixed plate and the bottom wall of the second channel;

the push plate is in sliding fit with the second channel, and the fixing plate is fixedly arranged in the second channel;

the push rod penetrates through a third channel on the fixed plate and is in transmission connection with the push plate;

one end of the push plate, which is far away from the push rod, is connected with the cutter;

a gap is formed between the push plate and the bottom wall of the second channel.

Alternatively,

the cutting mechanism further comprises a connecting plate;

one end of the connecting plate is connected with the cutter, and the other end of the connecting plate is connected with one end of the push plate, which deviates from the push rod;

the gap is arranged between the connecting plate and the bottom wall of the second channel.

Alternatively,

the cutting mechanism further comprises a reset elastic piece, one end of the reset elastic piece is abutted with the push plate, and the other end of the reset elastic piece is abutted with the bottom wall of the second channel;

when the push rod pushes the cutter to move towards the direction extending out of the first end of the first channel, the reset elastic piece generates elastic deformation.

Alternatively,

the connecting plate is provided with a through hole which penetrates through the connecting plate in the thickness direction;

one end of the reset elastic piece penetrates through the through hole and is abutted against the bottom wall of the second channel.

Alternatively,

the surface of the push plate opposite to the connecting plate is provided with a groove, and the groove is opposite to the through hole;

one end of the reset elastic piece is inserted into the groove, and the other end of the reset elastic piece penetrates through the through hole and then abuts against the bottom wall of the second channel.

In a second aspect, the present invention provides a mold apparatus comprising a rear mold insert, a movable mold plate, and a cutting mechanism as described in any one of the above;

the rear die core is connected with the movable die plate, and a first channel of the cutting mechanism penetrates through the rear die core and partially penetrates through the movable die plate;

the second channel penetrates through the movable template and is communicated with the first channel;

and a cutter part in the cutting mechanism is inserted in the first channel and linearly reciprocates along the axial direction of the first channel.

Alternatively,

the die device further comprises a front die core, wherein the front die core and the rear die core are arranged oppositely to form an area for accommodating a product.

Synthesize above-mentioned technical scheme, the utility model discloses the technological effect analysis that can realize as follows:

the utility model provides a cutting mechanism applied to a die device, which comprises a cutter and a first channel; the first channel is configured to penetrate through the rear mold core, and the first end of the first channel is opposite to the joint of the product and the water gap; the cutter part is inserted in the first channel, and the cutter can do linear reciprocating motion along the axial direction of the first channel under the driving of external force so as to extend out or retract into the first end of the first channel. The cutter part is inserted in the first channel, and after injection molding, the cutter linearly moves along the direction extending out of the first end of the first channel under the driving of external force to cut off the connection part of a product and a water gap so as to separate the product from the water gap; after the product is separated from the water gap, the cutter linearly moves along the direction of retracting the first end of the first channel under the driving of external force, and the joint of the product and the water gap is avoided. After injection moulding, the separation at product and mouth of a river can be realized to the motion of external drive cutter, improves production efficiency, and need not to reuse solitary die-cut tool, reduction in production cost.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of a cutting mechanism according to an embodiment of the present invention.

Icon:

110-a cutter; 120-a first channel; 200-rear mold core; 310-a product; 320-nozzle; 130-a second channel; 140-a push rod; 180-a reset elastic member; 160-push plate; 150-a fixation plate; 151-third channel; 171-gap; 170-connecting plate; 400-moving the template; 500-front mold core.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are usually placed when used, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element indicated must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

In the prior art, after the injection molding of a large water gap side glue inlet product, an independent punching jig is needed to separate the product from a water gap, and the problems of low production efficiency and high cost exist.

In view of this, the cutting mechanism provided by the embodiment of the present invention is applied to a mold device, including a cutter 110 and a first channel 120; the first channel 120 is configured to penetrate through the rear mold core 200, and the first end is opposite to the joint of the product 310 and the nozzle 320; the cutting knife 110 is partially inserted into the first channel 120, and the cutting knife 110 is driven by an external force to reciprocate linearly along the axial direction of the first channel 120 so as to extend or retract the first end of the first channel 120. The cutter 110 is partially inserted into the first channel 120, and after injection molding, under the driving of external force, the cutter 110 linearly moves along the direction extending out of the first end of the first channel 120, and cuts off the connection between the product 310 and the water gap 320, so that the product 310 and the water gap 320 are separated; after the product 310 is separated from the nozzle 320, the cutter 110 moves linearly in a direction retracting to the first end of the first channel 120 under the driving of an external force, and the product 310 and the nozzle 320 are avoided from being connected. After injection moulding, the separation of product 310 and mouth of a river 320 can be realized to the motion of external drive cutter 110, improves production efficiency, and need not to reuse solitary die-cut tool, reduction in production cost.

The first embodiment is as follows:

the shape and structure of the cutting mechanism are explained in detail below:

in the alternative of the embodiment of the present invention, the cutting knife 110 is inserted into the end surface of the first channel 120 to form a cutting edge.

Specifically, the cutter 110 includes a main body and a blade, one end of the blade is fixedly connected with the main body; the side of the blade adjacent to the nozzle 320 is a bevel that slopes in the direction of approaching the nozzle 320 from the end of the blade away from the body to the end of the blade adjacent to the body.

The cutter 110 is provided with a blade to cut off the junction of the product 310 and the nozzle 320.

In the alternative of the embodiment of the present invention, the plurality of cutters 110 and the plurality of first channels 120 are disposed at intervals, and the plurality of first channels 120 are disposed in parallel and are configured to be correspondingly communicated with the joints of the plurality of products 310 and the nozzles 320; the plurality of cutters 110 are disposed in one-to-one correspondence with the plurality of first passages 120.

Specifically, in the present embodiment, four first passages 120 are provided, four first passages 120 are arranged in two rows at intervals along the width direction of the rear mold core 200, two first passages 120 are provided in each row, and two first passages 120 in each row are arranged at intervals along the length direction of the rear mold core 200. Further, the axial direction of the first channel 120 is consistent with the thickness direction of the back mold core 200.

The cutter 110 and the first channel 120 are correspondingly arranged, the first channel 120 limits the path route of the cutter 110, the cutter 110 is prevented from being inclined in the moving process, and the moving track of the cutter 110 is standardized; cutter 110 and first passageway 120 all are provided with a plurality ofly, realize cutting off to the handing-over department of a plurality of products 310 and mouth of a river 320, further improve production efficiency.

In an alternative aspect of the present invention, the cutting mechanism further includes a second channel 130 and a push rod 140; the second channel 130 is communicated with the first channel 120, and the push rod 140 is partially inserted into the second channel 130 and is in transmission connection with one end of the cutter 110 exposed out of the first channel 120.

Specifically, referring to fig. 1, the axis of the second channel 130 is parallel to the axis of the first channel 120, and the sectional area of the second channel 130 is larger than the sectional area of the first channel 120, so that the plurality of first channels 120 are communicated with the second channel 130 at the same time.

When the cutting mechanism is in use, the push rod 140 is driven by external force to move upwards along the axial direction of the second channel 130, and the push rod 140 pushes the cutter 110 to extend out of the first end of the first channel 120, so that the joint of the product 310 and the water gap 320 is cut; when the cutting is completed, the push rod 140 is moved downward by the external force in the axial direction of the second channel 130, and the push rod 140 retracts the cutting blade 110 into the first end of the first channel 120.

In the alternative of the embodiment of the present invention, the plurality of cutters 110 are all in transmission connection with the push rod 140.

Specifically, the push rod 140 is configured to be cylindrical, and one end of the push rod 140, which is away from the cutting knife 110, extends out of the second channel 130, so that an operator or an external driving device can apply an external force to the push rod 140 conveniently.

When the plurality of cutters 110 are in transmission connection with the push rod 140, the push rod 140 is driven by external force to move upwards, and the push rod 140 pushes the plurality of cutters 110 to simultaneously extend out of the first ends of the corresponding first channels 120, so that synchronous cutting of the joints of the plurality of products 310 and the water gaps 320 is realized; after the cutting is completed, the push rod 140 moves downwards by external force, the push rod 140 retracts the plurality of cutters 110 to the corresponding first ends of the first channels 120, and the push rod 140 controls the movement of the plurality of cutters 110 at the same time, so that the production efficiency is further improved.

In an alternative aspect of the present invention, the cutting mechanism further includes a push plate 160 and a fixing plate 150; the push plate 160 and the fixing plate 150 are both located in the second channel 130, the fixing plate 150 is located at the opening of the second channel 130, and the push plate 160 is located between the fixing plate 150 and the bottom wall of the second channel 130; the push plate 160 is in sliding fit with the second channel 130, and the fixing plate 150 is fixedly arranged in the second channel 130; the push rod 140 passes through the third channel 151 of the fixing plate 150 and is in transmission connection with the push plate 160; one end of the push plate 160 departing from the push rod 140 is connected with the cutter 110; a gap 171 is provided between the pusher plate 160 and the bottom wall of the second channel 130.

Specifically, the third passage 151 penetrates the fixing plate 150 in the thickness direction of the fixing plate 150. The push rod 140 passes through the third channel 151, and the third channel 151 limits the traveling path of the push rod 140, so that the push rod 140 is prevented from being inclined under the driving of external force, and the motion track of the push rod 140 is regulated. Preferably, the third channel 151 is provided with a circular cross-section. Furthermore, in the present embodiment, the fixing plate 150 is configured as a rectangular parallelepiped, two third channels 151 and two push rods 140 are provided, the two third channels 151 are respectively located at two opposite corners of the fixing plate 150, and the axes are respectively parallel to the axis of the second channel 130, and the two push rods 140 are in one-to-one sliding fit with the two third channels 151. The two push rods 140 are symmetrically distributed, so that the bearing force of each push rod 140 is reduced and the service life of the push rod 140 is prolonged compared with that of a single push rod 140.

When the cutting mechanism operates, the push rod 140 is driven by external force to move upwards, because the push rod 140 is in transmission connection with the push plate 160, the push plate 160 moves upwards under the driving force of the push rod 140; because the push plate 160 is connected with the cutter 110, the cutter 110 moves upwards under the driving force of the push plate 160, so as to cut the joint of the product 310 and the water gap 320; after cutting off, the push rod 140 moves downwards due to external force, the push plate 160 moves downwards due to the pulling force of the push rod 140, and the cutter 110 moves downwards due to the pulling force of the push plate 160, so that the connection between the product 310 and the water gap 320 is avoided. A gap 171 is formed between the push plate 160 and the bottom wall of the second channel 130, when the push plate 160 is pushed by the push rod 140 to move upwards, after the moving distance of the push plate 160 is equal to the distance of the gap 171, the push plate 160 abuts against the bottom wall of the second channel 130, the push plate 160 can not move upwards any more, the gap 171 provides a space for the movement of the push plate 160 and also limits the moving distance of the push plate 160, and correspondingly, because the push plate 160 pushes the cutting knife 110 to move, the gap 171 also limits the moving distance of the cutting knife 110. Preferably, the thickness of gap 171 is equal to the thickness of the intersection of product 310 and nozzle 320.

In an alternative of the embodiment of the present invention, the cutting mechanism further includes a connecting plate 170; one end of the connecting plate 170 is connected with the cutter 110, and the other end is connected with one end of the push plate 160 departing from the push rod 140; a gap 171 is provided between the web 170 and the bottom wall of the second channel 130.

Specifically, please refer to fig. 1, a part of the cutting knife 110 is inserted into the connecting plate 170, a protrusion is disposed at one end of the cutting knife 110 inserted into the connecting portion, the connecting plate 170 is provided with a connecting hole, and a clamping groove is disposed at a position of the connecting hole corresponding to the protrusion; the cutter 110 is inserted into the connecting hole, and the bulge is inserted into the clamping groove; the coupling strength of the cutter 110 and the coupling plate 170 is enhanced. Further, the coupling plate 170 and the push plate 160 are detachably coupled.

When the cutting mechanism operates, the push rod 140 is driven by external force to move upwards, and because the push rod 140, the push plate 160, the connecting plate 170 and the cutter 110 are connected in sequence, the cutter 110 moves upwards to cut the joint of the product 310 and the water gap 320; after the cutting is finished, the push rod 140 is moved downwards by external force, and correspondingly the cutter 110 moves downwards, so that the connection between the product 310 and the water gap 320 is avoided. When the cutting knife is installed, one end of the cutting knife 110 with a cutting edge penetrates through the connecting plate 170 from the surface of the connecting plate 170 close to the push plate 160, and the bulge of the cutting knife 110 is inserted into the clamping groove of the connecting plate 170; the connecting plate 170 is connected with the push plate 160; the fixation of the cutting blade 110 is achieved.

In an alternative aspect of the present invention, the connection plate 170 and the push plate 160 are connected by a fastener.

Specifically, the fastener passes through the mounting hole of the push plate 160 and then is connected with the connecting plate 170 by screw threads, and of course, other connection methods, such as the fastener passes through the mounting holes of the push plate 160 and the connecting plate 170 and then is connected with the nut by screw threads, should also be within the scope of the embodiment of the present invention. Further, a plurality of fasteners are provided, and the plurality of fasteners are uniformly distributed on the connection plate 170.

The connecting plate 170 and the push plate 160 are connected by fasteners, the installation mode is simple, and the flatness of the connecting plate 170 can be adjusted by adjusting the locking degree of a plurality of fasteners.

In an alternative scheme of the embodiment of the present invention, the cutting mechanism further includes a reset elastic member 180, one end of the reset elastic member 180 abuts against the push plate 160, and the other end abuts against the bottom wall of the second channel 130; when the push rod 140 pushes the cutting blade 110 to move in a direction to extend out of the first end of the first channel 120, the return elastic member 180 is elastically deformed.

Specifically, in this embodiment, the return elastic member 180 is provided as a spring, and both ends of the spring abut against the push plate 160 and the bottom wall of the second channel 130, respectively.

When the cutting mechanism operates, the push rod 140 is driven by external force to move upwards, and because the push rod 140, the push plate 160, the connecting plate 170 and the cutter 110 are connected in sequence, the cutter 110 moves upwards and compresses the spring, so that the cutting of the joint of the product 310 and the water gap 320 is realized; after cutting off, the external force is cancelled, and when the spring is restored to the original shape, the push plate 160 is driven to move downwards, and correspondingly the cutter 110 moves downwards, so that the connection between the product 310 and the water gap 320 is avoided. The reset elastic member 180 realizes automatic reset of the cutting knife 110.

In the alternative of the embodiment of the present invention, the connection plate 170 is provided with a through hole, and the through hole penetrates along the thickness direction of the connection plate 170; one end of the elastic restoring member 180 passes through the through hole and abuts against the bottom wall of the second channel 130.

Specifically, the axis of the connecting plate 170 and the axis of the push plate 160 coincide, and the through-hole is located at the middle position of the connecting plate 170.

The through hole realizes avoiding of the reset elastic piece 180, saves the volume of the cutting mechanism, realizes the limitation of the reset elastic piece 180 in the compression and original shape recovery process, and avoids the reset elastic piece 180 from being inclined. In addition, the through hole is located in the middle of the connecting plate 170, and when the reset elastic member 180 restores to the original shape, a driving force is applied to the middle of the push plate 160, so that the push plate 160 is prevented from being unevenly stressed and the motion stability of the push plate 160 is improved.

In the alternative of the embodiment of the present invention, the surface of the push plate 160 opposite to the connecting plate 170 is provided with a groove, and the groove is arranged opposite to the through hole; one end of the elastic resetting piece 180 is inserted into the groove, and the other end of the elastic resetting piece passes through the through hole and then abuts against the bottom wall of the second channel 130.

Specifically, the groove is located at an intermediate position of the push plate 160. More preferably, the cross-section of the groove is provided in a circular shape to match the cross-sectional shape of the return spring 180.

One end of the reset elastic member 180 is inserted into the groove, so that the connection stability of the reset elastic member 180 and the push plate 160 is enhanced, the groove limits the compression of the reset elastic member 180 or the direction of restoring the original shape, and the reset elastic member 180 is prevented from being inclined.

Example two:

the embodiment of the utility model provides a mold device, including the shutdown mechanism that mentions in embodiment one, consequently, also possessed all beneficial effects in embodiment one, no longer repeated here.

In the alternative of the embodiment of the present invention, the mold apparatus further includes a rear mold core 200 and a movable mold plate 400, the rear mold core 200 is connected to the movable mold plate 400, and the first channel 120 of the cutting mechanism penetrates through the rear mold core 200 and partially penetrates through the movable mold plate 400; the second channel 130 passes through the movable die plate 400 and is communicated with the first channel 120; the cutting knife 110 of the cutting mechanism is inserted into the first channel 120 and reciprocates linearly along the axial direction of the first channel 120.

Specifically, the junction of the first channel 120 and the second channel 130 is located in the moving die plate 400, and the bottom wall of the second channel 130 is flush with the second end of the first channel 120.

The first passage 120 penetrates through the rear mold core 200, and the second passage 130 penetrates through the movable mold plate 400, so that the space in the mold device is fully utilized; the cutting mechanism is used for cutting the joint of the product 310 and the water gap 320, so that the production efficiency is improved, the production cost is reduced, and the size of the die device is not enlarged.

In the alternative of the embodiment of the present invention, the mold apparatus further includes a front mold core 500, the front mold core 500 is disposed opposite to the rear mold core 200, and an area for accommodating the product 310 is formed.

Specifically, the product 310 and the nozzle 320 are located between the front mold core 500 and the rear mold core 200, and both ends of the nozzle 320 are respectively connected to the two products 310.

The front mold core 500 is disposed opposite to the rear mold core 200 to realize injection molding of the product 310.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the scope of the invention in its corresponding aspects.

Claims (10)

1. A cutting mechanism applied to a mold device, comprising: a cutter (110) and a first channel (120);

the first channel (120) is configured to penetrate through the rear mold core (200), and the first end of the first channel is opposite to the joint of the product (310) and the water gap (320);

the cutting knife (110) is partially inserted into the first channel (120), and the cutting knife (110) can do linear reciprocating motion along the axial direction of the first channel (120) under the driving of external force so as to extend out or retract into the first end of the first channel (120).

2. The shut-off mechanism according to claim 1, wherein the cutter (110) and the first channel (120) are disposed in plurality, and the first channels (120) are disposed in parallel and spaced apart from each other and are configured to be respectively communicated with the junctions of the products (310) and the nozzles (320);

the plurality of cutting knives (110) and the plurality of first channels (120) are arranged in a one-to-one correspondence manner.

3. The cleaving mechanism of claim 1, further comprising a second channel (130) and a push rod (140);

the second channel (130) is communicated with the first channel (120), and the push rod (140) is partially inserted into the second channel (130) and is in transmission connection with one end of the cutter (110) exposed out of the first channel (120).

4. The cleaving mechanism of claim 3, further comprising a push plate (160) and a fixed plate (150);

the push plate (160) and the fixing plate (150) are both positioned in the second channel (130), the fixing plate (150) is positioned at the opening of the second channel (130), and the push plate (160) is positioned between the fixing plate (150) and the bottom wall of the second channel (130);

the push plate (160) is in sliding fit with the second channel (130), and the fixing plate (150) is fixedly arranged in the second channel (130);

the push rod (140) penetrates through a third channel (151) on the fixing plate (150) and is in transmission connection with the push plate (160);

one end of the push plate (160) departing from the push rod (140) is connected with the cutter (110);

a gap (171) is provided between the push plate (160) and the bottom wall of the second channel (130).

5. The cleaving mechanism of claim 4, further comprising a web (170);

one end of the connecting plate (170) is connected with the cutter (110), and the other end of the connecting plate is connected with one end of the push plate (160) deviating from the push rod (140);

the gap (171) is provided between the connecting plate (170) and the bottom wall of the second channel (130).

6. The cleaving mechanism of claim 5, further comprising a return spring (180), the return spring (180) having one end abutting the push plate (160) and another end abutting a bottom wall of the second channel (130);

when the push rod (140) pushes the cutting knife (110) to move towards the direction extending out of the first end of the first channel (120), the reset elastic piece (180) generates elastic deformation.

7. The cleaving mechanism of claim 6, wherein the connection plate (170) is provided with a through hole penetrating in a thickness direction of the connection plate (170);

one end of the reset elastic piece (180) penetrates through the through hole and is abutted against the bottom wall of the second channel (130).

8. The cleaving mechanism of claim 7, wherein a surface of the push plate (160) opposite the web (170) is provided with a groove opposite the through hole;

one end of the reset elastic piece (180) is inserted into the groove, and the other end of the reset elastic piece penetrates through the through hole and then abuts against the bottom wall of the second channel (130).

9. A mold device comprising a back core (200), a moving platen (400) and a cutting mechanism according to any one of claims 1-8;

the rear die core (200) is connected with the movable die plate (400), and the first channel (120) of the cutting mechanism penetrates through the rear die core (200) and partially penetrates through the movable die plate (400);

the second channel (130) passes through the movable die plate (400) and is communicated with the first channel (120);

the cutting knife (110) of the cutting mechanism is inserted into the first channel (120) and linearly reciprocates along the axial direction of the first channel (120).

10. The mold device according to claim 9, further comprising a front mold core (500), wherein the front mold core (500) is disposed opposite to the rear mold core (200) to form an area for accommodating the product (310).

Images