CN210308844U - A two-way core pulling mechanism and injection mold - Google Patents

Abstract

The utility model provides a two-way mechanism of loosing core and injection mold belongs to mould technical field. The bidirectional core-pulling mechanism comprises: the core pulling device comprises a first core pulling slide block, a second core pulling slide block and a guide slide block; the first core-pulling slide block is connected with the movable mould plate in a sliding mode, the second core-pulling slide block is connected with the movable mould core in a sliding mode, and the guide slide block is connected with the movable mould plate in a sliding mode; in the die opening process, the first core-pulling sliding block moves along the first core-pulling direction, the first core-pulling sliding block drives the guide sliding block to move, and the second core-pulling sliding block is driven to move along the second core-pulling direction through the movement of the guide sliding block. Two-way mechanism of loosing core will the second loose core the slider set up to with movable mould benevolence sliding connection, will the first slider of loosing core is in the first motion of loosing core the direction converts into the second is loosed core the slider and is loosing core the motion of direction at the second, realizes the both sides of product are loosed core respectively, have avoided the interference that the homonymy was loosed core, and the practicality is strong.

Description

Bidirectional core-pulling mechanism and injection mold

Technical Field

The utility model relates to the technical field of mold, especially, relate to a two-way mechanism of loosing core and injection mold.

Background

In an injection molding product, a plurality of characteristics need to carry out lateral core pulling at different angles, and in the existing injection mold, sliding blocks at different angles are arranged corresponding to the core pulling at different angles. In some product injection molding, the core pulling space is limited to the same side due to the limitation of the product structure, and the core pulling movement of each sliding block is easy to interfere.

SUMMERY OF THE UTILITY MODEL

The utility model provides a problem be with the space of loosing core limited with one side, the problem of the easy emergence interference of the motion of loosing core of each slider.

In order to solve the above problem, an aspect of the present invention is to provide a bidirectional core-pulling mechanism. The bidirectional core-pulling mechanism comprises: the core pulling device comprises a first core pulling slide block, a second core pulling slide block and a guide slide block;

the first core-pulling slide block is connected with the movable mould plate in a sliding mode, the second core-pulling slide block is connected with the movable mould core in a sliding mode, and the guide slide block is connected with the movable mould plate in a sliding mode;

in the die opening process, the first core-pulling sliding block moves along the first core-pulling direction, the first core-pulling sliding block drives the guide sliding block to move, and the second core-pulling sliding block is driven to move along the second core-pulling direction through the movement of the guide sliding block.

Therefore, the bidirectional core-pulling mechanism is used for setting the second core-pulling sliding block into sliding connection with the movable die core, and the first core-pulling sliding block is connected with the guide sliding block in a first core-pulling direction and converted into the second core-pulling sliding block in the second core-pulling direction, so that bidirectional movement of core-pulling in two sides of the product is realized, interference of core-pulling in the same side is avoided, reliability is high, and practicability is high.

Optionally, an inclined guide rail is arranged on the guide sliding block, an inclined sliding groove is arranged on the second core-pulling sliding block, and the inclined sliding groove is connected with the inclined guide rail in a sliding manner.

Therefore, the sliding connection between the second core-pulling sliding block and the guide sliding block is realized through the sliding connection between the inclined guide rail and the inclined sliding groove, and when the guide sliding block moves under the driving of the first core-pulling sliding block, the sliding of the guide sliding block is converted into the movement of the second core-pulling sliding block along the second core-pulling direction.

Optionally, the inclined guide rail and the second core pulling direction form a preset angle.

Therefore, when the first core-pulling sliding block moves in the first core-pulling direction, the second core-pulling sliding block moves in the second core-pulling direction under the action of the guide sliding block, so that the bidirectional core-pulling movement is realized, and the problems of small core-pulling space and high interference on the same side are solved.

Optionally, the first core-pulling sliding block and the guide sliding block are respectively provided with a limiting portion and a stopping portion, and the first core-pulling sliding block and the guide sliding block are slidably connected and interact with the stopping portion through the limiting portion.

Therefore, in the process of die assembly and die sinking, the first core-pulling slide block drives the guide slide block to move through the interaction of the limiting part and the stopping part, so that the reliability is high, and the practicability is high.

Optionally, the limiting part is disposed on the left side of the first core pulling slider, and the stopping part is disposed on the right side of the guide slider; when the mold is closed, the limiting part and the stopping part are provided with sliding spaces along the sliding direction.

Consequently, in the die sinking process, first slider of loosing core moves the preset distance back right, spacing portion with backstop portion interact, first slider of loosing core drives the direction slider motion is realized the second is loosed core of slider first loose core the slider breaks away from after the product, the second is loosed core the slider and is started to loose core, has avoided loosing core the interference that causes simultaneously, and the stability of loosing core is high, and the practicality is strong.

Optionally, the core pulling device comprises an inclined guide post, the inclined guide post is fixedly mounted on the fixed die plate, a first inclined hole is formed in the first core pulling slide block, and the inclined guide post is connected with the first inclined hole in a sliding mode.

Therefore, in the die sinking process, the movable mould board is relative the fixed mould board downstream under the guide pillar effect to one side, the motion conversion of movable mould board is in first slider of loosing core is in the motion of first direction of loosing core, first slider of loosing core drives the direction slider motion under the guide slider effect, the second is loosed core the slider and is in the motion of second direction of loosing core, the setting of guide pillar to one side for realize two-way loosing core in the die sinking process, degree of automation is high, and the practicality is strong.

Optionally, the core pulling mechanism further comprises a shovel base, the shovel base is fixedly installed on the fixed die plate, the shovel base is in contact with the first core pulling sliding block, and guide inclined planes which are matched with each other are respectively arranged on the surfaces of the shovel base, which are in contact with the first core pulling sliding block.

Therefore, in the die closing process, the shovel base drives the first core-pulling slide block to close the die along the first core-pulling direction, stress of the inclined guide post is reduced, the service life of the inclined guide post is prolonged, and practicability is high.

Optionally, the first core pulling slider comprises a first core pulling slider body and a slider seat, the slider seat is detachably connected with the first core pulling slider body, and the slider seat is slidably connected with the movable mold plate.

Therefore, the processing amount of the first core-pulling sliding block body is reduced, the operability of replacement of the first core-pulling sliding block body is enhanced, the applicability is high, and the practicability is high.

Optionally, the core pulling mechanism further comprises a first limiting block, wherein the first limiting block is fixedly mounted on the movable mold plate and is suitable for limiting the displacement of the first core pulling slider in the second core pulling direction.

Therefore, the first limiting block can limit the displacement of the first core-pulling sliding block, the first core-pulling sliding block is well positioned, the reliability is high, and the practicability is high.

The utility model discloses an on the other hand provides an injection mold, injection mold includes above-mentioned two-way mechanism of loosing core.

Drawings

FIG. 1 is a schematic structural diagram of a rear enclosure of an indoor unit of an air conditioner;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a schematic structural diagram of one embodiment of the bidirectional core-pulling mechanism of the present invention;

fig. 4 is a schematic structural diagram of one embodiment of the bidirectional core-pulling mechanism of the present invention;

fig. 5 is a schematic structural diagram of one embodiment of the bidirectional core-pulling mechanism of the present invention;

FIG. 6 is an enlarged partial view taken at B in FIG. 5;

FIG. 7 is an enlarged partial view at C of FIG. 5;

fig. 8 is a schematic structural diagram of the bidirectional core-pulling mechanism of the present invention in a mold closing state;

fig. 9 is a schematic structural view of the bidirectional core-pulling mechanism of the present invention after the demolding is completed;

fig. 10 is a schematic structural diagram of one embodiment of the bidirectional core-pulling mechanism according to the present invention;

fig. 11 is a schematic structural diagram of one embodiment of the bidirectional core-pulling mechanism of the present invention;

fig. 12 is a schematic structural diagram of one embodiment of the bidirectional core-pulling mechanism according to the present invention;

fig. 13 is a schematic structural diagram of one embodiment of the bidirectional core-pulling mechanism of the present invention;

fig. 14 is a schematic structural diagram of one embodiment of the bidirectional core-pulling mechanism of the present invention;

fig. 15 is a schematic structural view of a second core pulling slider and a guiding slider according to an embodiment of the present invention;

fig. 16 is a schematic structural view of the second core pulling slider and the guiding slider in an embodiment of the present invention.

Description of reference numerals:

1-product, 110-first characteristic, 120-second characteristic, 2-first core pulling slide block, 210-first core pulling slide block body, 211-first side mold, 212-limiting part, 220-slide block seat, 221-first boss, 222-second sliding chute, 223-first inclined hole, 3-second core pulling slide block, 310-second side mold, 320-inclined sliding chute, 4-guide slide block, 410-inclined guide rail, 420-stopping part, 5-movable mold plate, 510-first sliding chute, 511-guide block, 512-first wear-resistant block, 513-second limiting block, 520-third sliding chute, 521-third limiting block, 530-first limiting block, 6-movable mold core, 610-fourth limiting block, 7-fixed mold plate, 710-inclined guide column, 711-inclined guide post limiting block and 720-shovel base.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.

Referring to fig. 1 and fig. 2, fig. 1 is a schematic structural diagram of a rear enclosure of an indoor unit of an air conditioner, fig. 2 is a partially enlarged view of a position a in fig. 1, a product 1 is the rear enclosure of the indoor unit of the air conditioner, the product 1 has a first feature 110, and the first feature 110 needs to perform core pulling in a first core pulling direction; the first feature 110 is further provided with a second feature 120, the second feature needs to perform core pulling in a second core pulling direction, and the first core pulling direction and the second core pulling direction form a certain angle; in fig. 1 and 2, the second feature 120 is a hole, the second feature 120 may be one or multiple, and the core pulling directions of the multiple second features 120 may be the same or different, in the prior art, a slider forming the first feature 110 and a slider forming the second feature are both disposed on the same side, and core pulling is performed toward the same side.

Referring to fig. 3 to 16, an aspect of the present invention provides a bidirectional core-pulling mechanism, including: the core pulling device comprises a first core pulling slide block 2, a second core pulling slide block 3 and a guide slide block 4;

the first core-pulling slide block 2 is connected with the movable mould plate 5 in a sliding manner, the second core-pulling slide block 3 is connected with the movable mould core 6 in a sliding manner, and the guide slide block 4 is connected with the movable mould plate 5 in a sliding manner;

in the mold opening process, the first core-pulling slide block 2 moves along the first core-pulling direction, the first core-pulling slide block 2 drives the guide slide block 4 to move, and the second core-pulling slide block 3 is driven to move along the second core-pulling direction through the movement of the guide slide block 4.

Specifically, referring to fig. 8 and 9, a first side mold 211 is disposed on the first core pulling slider 2; a second side die 310 is arranged on the second core-pulling slide block 3; when the mold is closed, the first side mold 211, the second side mold 310, the fixed mold core and the movable mold core 6 enclose a cavity, and the second core-pulling slide block 3 and the movable mold core 6 are located on the same side of the cavity.

The second core-pulling slider 3 is slidably connected to the movable mold core 6, specifically, please refer to fig. 5, fig. 6, and fig. 10 to fig. 16, a fourth groove (not shown) is provided on the movable mold core 6, and the fourth groove is slidably connected to the second core-pulling slider 3, and is adapted to guide the second core-pulling direction of the second core-pulling slider 3, in some embodiments, the bidirectional core-pulling mechanism further includes a fourth limiting block 610, and the fourth limiting block 610 is fixedly mounted on the movable mold core 6 and is adapted to limit the second core-pulling slider 3 to be separated from the movable mold core 6. It should be understood that the sliding structure of the second core back slide 3 and the core insert 6 may be configured in other manners. Therefore, the sliding connection between the second core-pulling sliding block 3 and the movable die core 6 is stable and reliable, and the practicability is high. It should be understood that, when the second core pulling slider 3 is used for core pulling, the second core pulling slider moves to the left and downwards to be separated from the product 1.

The guide sliding block 4 is slidably connected with the movable template 5, specifically, a third sliding groove 520 is arranged on the movable template 5, the guide sliding block 4 is slidably connected with the third sliding groove 520, the sliding direction of the guide sliding block is consistent with the first core pulling direction, the bidirectional core pulling mechanism further comprises a third limiting block 521, and the third limiting block 521 is fixedly installed on the movable template 5 and is suitable for limiting the guide sliding block 4 to be separated from the third sliding groove 520 in the up-down direction. In some embodiments, the cross-section of the third stopper 521 is "7". Thus, the guide sliding block 4 has good motion guide, stable sliding, high reliability and strong practicability.

Further, a wear-resistant block is further disposed at the bottom of the third sliding groove 520, so that the wear of the guide slider 4 and the third sliding groove 520 is reduced, and the service lives of the guide slider 4 and the third sliding groove 520 are prolonged.

Referring to fig. 15 and 16, an inclined guide rail 410 is arranged on the guide slider 4, an inclined sliding groove 320 is arranged on the second core pulling slider 3, and the inclined sliding groove 320 is slidably connected with the inclined guide rail 410. In other embodiments, the inclined guide rail 410 is provided as an inclined guide post, and the inclined sliding groove 320 is provided as an inclined hole; in this embodiment, the inclined guide rail 410 is a T-shaped guide rail, and the inclined sliding groove 320 is a T-shaped groove matched with the T-shaped guide rail.

Therefore, through the sliding connection between the inclined guide rail 410 and the inclined sliding groove 320, the sliding connection between the second core-pulling slider 3 and the guide slider 4 is realized, and when the guide slider 4 moves under the driving of the first core-pulling slider 2, the sliding of the guide slider 4 is converted into the movement of the second core-pulling slider 3 along the second core-pulling direction.

The inclined guide rail 410 and the second core pulling direction form a preset angle. Specifically, referring to fig. 5, 6, 8, 9, 11 and 12, the inclined guide rail 410 is disposed at the upper left of the guide slider 4, the inclined guide rail 410 is inclined towards the lower left, and an included angle between the inclined guide rail 410 and the second core pulling direction is an acute angle, for example, 10 degrees, 15 degrees or 45 degrees. Like this, when first slider 2 of loosing core along when the motion is loosed core to first direction of loosing core under the effect of direction slider 4, second slider 3 of loosing core is followed the motion is loosed core to the second direction of loosing core, realizes two-way motion of loosing core, has avoided the homonymy to loose core the space little, the big problem of interference.

The first core-pulling sliding block 2 and the guide sliding block 4 are respectively provided with a limiting part 212 and a stopping part 420, and the first core-pulling sliding block 2 is in sliding connection with the guide sliding block 4 and interacts with the stopping part 420 through the limiting part 212.

Specifically, referring to fig. 11 and 12, in this embodiment, the limiting portion 212 is disposed at the bottom of the first core pulling slider 2, the stopping portion 420 is disposed at the top of the guiding slider 4, in other embodiments, the stopping portion 420 is disposed as a limiting groove, the limiting portion 212 is disposed as a limiting protrusion, and the limiting protrusion extends into the limiting groove; in this embodiment, the stopping portion 420 is a limiting protrusion, the limiting portion 212 is a limiting groove, and the limiting protrusion extends into the limiting groove. It should be understood that the limiting portions 212 may also be disposed on the front and rear sides of the bottom of the first core back slide 2, and the stopping portions 420 may also be disposed on the front and rear sides of the top of the guide slide 4.

Therefore, in the process of die assembly and die sinking, the first core-pulling slide block 2 drives the guide slide block 4 to move through the interaction of the limiting part 212 and the stopping part 420, so that the reliability is high, and the practicability is high.

Specifically, in this embodiment, the limiting portion 212 is disposed on the left side of the first core pulling slider 2, and the stopping portion 420 is disposed on the right side of the guide slider 4; in the mold clamping state, the limiting portion 212 and the stopping portion 420 are provided with a sliding space along the sliding direction.

Specifically, the limiting portion 212 and the stopping portion 420 have two action positions, and in the mold clamping state, the limiting portion 212 and the stopping portion 420 are provided with a sliding space along the sliding direction thereof. It should be understood that, when the mold is closed, the guide slider 4 is restricted by the first core-pulling slider 2 to move rightward, and the stopping portion 420 of the guide slider 4 has a sliding space moving leftward, however, because, when the mold is closed, the guide slider 4 reaches the limit of moving leftward, when the mold is released, the first core-pulling slider 2 moves rightward for a preset distance, and the sliding space is eliminated, the limiting portion 212 interacts with the stopping portion 420, and the first core-pulling slider 2 drives the guide slider 4 to move rightward, so that the core pulling of the second core-pulling slider 3 is realized.

In the embodiment, in the mold closing process, the right wall of the limiting groove acts on the limiting protrusion, the first core-pulling slide block 2 moves leftwards to drive the guide slide block 4 to move leftwards and drive the second core-pulling slide block 3 to move towards the mold closing direction, so that mold closing is realized, and in the mold closing state, the right wall of the limiting groove limits the guide slide block 4 to move rightwards, so that the mold closing precision is ensured; in the die sinking process, after the first slider 2 of loosing core moved the preset distance to the right, the left wall of spacing groove with spacing bellying, first slider 2 of loosing core drives guide slider 4 moves to the right, realizes loosing core of second slider 3 of loosing core.

Consequently, in the die sinking process, first slider 2 of loosing core moves the preset distance back right, spacing portion 212 with backstop portion 420 interact, first slider 2 of loosing core drives guide slider 4 moves, realizes the second is loosed core slider 3 first loose core slider 2 break away from behind the product 1, slider 3 is loosed core to the second, has avoided loosing core the interference that causes simultaneously, and the stability of loosing core is high, and the practicality is strong.

The first core-pulling slider 2 comprises a first core-pulling slider body 210 and a guide slider 4, the first core-pulling slider body 210 is connected with the guide slider 4, and the inclined guide rail 410 is arranged on the guide slider 4.

Specifically, in some embodiments, the guide slider 4 is located below the first core back slider body 210, and the first core back slider body 210 is detachably connected to the guide slider 4. Like this, realize the modularization is realized to first slider 2 of loosing core's structure, reduces the processing degree of difficulty of complicated structure, works as first slider 2 of loosing core need set up a plurality ofly during the inclined guide 410, the processing degree of difficulty greatly reduced, the reliability is high, and the practicality is strong.

The first core block 2 includes a first core block body 210 and a block holder 220, the block holder 220 is detachably connected to the first core block body 210, and the block holder 220 is slidably connected to the movable die plate 5.

Referring to fig. 3 to 7 and 14, in the embodiment, the slider holder 220 is disposed at the bottom of the first core slider body 210 and is fixedly connected by a screw, and it should be understood that the slider holder 220 may also be disposed at the right side of the first core slider body 210.

The bidirectional core pulling mechanism comprises a guide block 511, the guide block 511 is fixedly installed on the movable mold plate 5, a second sliding groove 222 matched with the guide block 511 is formed in the bottom of the sliding block seat 220, and the guide block 511 is in sliding fit with the second sliding groove 222 and is suitable for guiding the sliding block seat 220 in the first core pulling direction.

Therefore, the processing amount of the first core pulling slider body 210 is reduced, the operability of replacement of the first core pulling slider body 210 is enhanced, the applicability is high, and the practicability is high.

Further, the bidirectional core-pulling mechanism further comprises a second limiting block 513, wherein the second limiting block 513 is installed on the movable die plate 5 and is adapted to limit the sliding block seat 220 from being separated from the guide block 511.

Specifically, in the above embodiment, the movable mold plate 5 is provided with a first sliding groove 510, the guide block 511 is fixedly installed at the bottom of the first sliding groove 510, and the second limiting block 513 is installed on the movable mold plate 5, protrudes a preset distance into the first sliding groove 510, and is adapted to limit the sliding block seat 220 from being separated from the first sliding groove 510. The slider seat 220 is provided with a first boss 221, and the second limiting block 513 limits the slider seat 220 from being separated from the guide block 511 by limiting the first boss 221 from being separated from the first sliding groove 510.

Therefore, the slider seat 220 with the first slider body 210 of loosing core can be dismantled and be connected, the slider seat 220 with 5 sliding connection of movable mould board, when the lateral structure of product 1 changes, change first slider body 210 of loosing core can, need not whole first slider 2 of loosing core changes, first slider 2 of loosing core modularization, the reliability is high, and the practicality is strong.

Further, a first wear-resistant block 512 is disposed on the movable mold plate 5 in a sliding area corresponding to the slider seat 220, the first wear-resistant block 512 is fixedly mounted on the movable mold plate 5 through a screw, the slider seat 220 contacts the first wear-resistant block 512 when sliding along the first core-pulling direction, and the first wear-resistant block 512 is made of a wear-resistant material, such as high manganese steel. Therefore, the sliding block seat 220 has little friction damage to the moving template 5 when sliding, and the first wear-resistant block 512 can be replaced for use, thereby prolonging the service life of the moving template and the sliding block seat 220.

In the above embodiment, the bidirectional core pulling mechanism further includes an inclined guide post 710, the inclined guide post 710 is fixedly mounted on the fixed mold plate 7, the first core pulling slider 2 is provided with a first inclined hole 223, and the inclined guide post 710 is slidably connected with the first inclined hole 223.

Specifically, referring to fig. 3, 4, and 11 to 14, the first inclined hole 223 is disposed on the slider seat 220, and in this embodiment, the lower end of the inclined guide post 710 is inclined to the right.

Consequently, in the die sinking process, movable mould board 5 is relative fixed mould board 7 downstream under the guide pillar 710 effect to one side, movable mould board 5's motion conversion is in first slider 2 of loosing core is in the motion of first direction of loosing core, first slider 2 of loosing core drives guide slider 4 moves under the effect of guide slider 4, second slider 3 of loosing core is in the direction motion is taken out to the second, the setting of guide pillar 710 to one side for realize two-way loosing core in the die sinking process, degree of automation is high, and the practicality is strong.

In some embodiments, the bidirectional core pulling mechanism further includes an inclined guide pillar stopper 711, the inclined guide pillar 710 is fixedly mounted on the fixed die plate 7 through the inclined guide pillar stopper 711, in some embodiments, the inclined guide pillar 710 is of a rod-shaped structure, the inclined guide pillar 710 is recessed inwards to form a stopper surface, and the inclined guide pillar stopper 711 contacts with the stopper surface. Thus, the rotation of the angle beam 710 is limited by the cooperation of the angle beam stopper 711 and the limiting surface.

In this embodiment, the bidirectional core pulling mechanism further includes a shovel base 720, the shovel base 720 is fixedly installed on the fixed die plate 7, the shovel base 720 is in contact with the first core pulling slider body 210, and the surfaces of the shovel base 720 in contact with the first core pulling slider body 210 are respectively provided with guide inclined surfaces which are matched with each other.

It should be understood that the inclined direction of the guiding inclined plane is the same as the inclined direction of the inclined guide post 710, and the inclined guide post 710 and the first inclined hole 223 are provided with a certain clearance; in the mold closing process, the shovel base 720 is firstly contacted with the guide inclined surfaces respectively arranged on the first core-pulling slider body 210, the shovel base 720 drives the slider seat 220 to move towards the mold closing direction to drive the first core-pulling slider body 210 to realize the mold closing action, and in the core-pulling process, the inclined guide post 710 drives the slider seat 220 to drive the first core-pulling slider body 210 to realize the core-pulling movement.

Therefore, in the mold closing process, the shovel base 720 drives the first core-pulling slide block 2 to close the mold along the first core-pulling direction, so that the stress of the inclined guide post 710 is reduced, the service life of the inclined guide post 710 is prolonged, and the practicability is high.

Further, a second wear-resistant block is arranged on one side, in contact with the shovel base 720, of the first core-pulling slider body 210, and specifically, the second wear-resistant block is fixedly mounted on the first core-pulling slider body 210 through a screw, so that the service lives of the first core-pulling slider body 210 and the shovel base 720 are prolonged, and the practicability is high.

Specifically, in some embodiments, the bidirectional core pulling mechanism further includes a first elastic member, one end of the first elastic member is connected to the slider seat 220, and the other end of the first elastic member is connected to the movable die plate 5, during die assembly, the elastic potential energy of the first elastic member is increased, during die release, the elastic potential energy of the first elastic member is decreased, and specifically, the first elastic member is a spring.

The bidirectional core pulling mechanism further comprises a first limiting block 530, wherein the first limiting block 530 is fixedly installed on the movable mold plate 5 and is suitable for limiting the displacement of the first core pulling slide block 2 in the first core pulling direction.

In this embodiment, the first limiting block 530 is disposed at the right end of the first sliding groove 510, so that after the demolding is completed, the first limiting block 530 limits the slider seat 220 to continue to slide along the first core pulling direction.

Therefore, the first limiting block 530 can limit the displacement of the first core-pulling slider 2, and the first core-pulling slider 2 is well positioned, so that the reliability is high and the practicability is high.

The first limiting block 530 is matched with the first elastic part, and can also position the first core-pulling slide block 2, so that the inclined guide post 710 can be inserted into the first inclined hole 223 when the mold is closed next time.

Therefore, two-way mechanism of loosing core will the second loose core slider 3 set up to with 6 sliding connection of movable mould benevolence, through direction slider 4 will the first slider 2 of loosing core is in the first motion of loosing core direction converts into the second is loosed core slider 3 and is loosing core the motion of direction at the second, realizes the two-way motion of loosing core respectively in the both sides of product 1 has avoided the interference of loosing core of homonymy, and the reliability is high, and the practicality is strong.

The utility model discloses an on the other hand still provides an injection mold, injection mold includes two-way mechanism of loosing core.

In the description of the present invention, it is to be understood that the terms "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," and the like are used in the orientation or positional relationship indicated in the drawings, which are based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description, and are not intended to indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

In addition, the terms "first" and "second" are used for descriptive purposes only and do not constitute a limitation on the technical features.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either mechanically or electrically. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the scope or spirit of the present invention, and the scope of the present invention is defined by the appended claims.

Claims (10)

1. A bi-directional core pulling mechanism, comprising: the core pulling device comprises a first core pulling slide block (2), a second core pulling slide block (3) and a guide slide block (4);

the first core-pulling sliding block (2) is connected with the movable mould plate (5) in a sliding mode, the second core-pulling sliding block (3) is connected with the movable mould core (6) in a sliding mode, and the guide sliding block (4) is connected with the movable mould plate (5) in a sliding mode;

in the die sinking process, the first core-pulling sliding block (2) moves along the first core-pulling direction, the first core-pulling sliding block (2) drives the guide sliding block (4) to move, and the second core-pulling sliding block (3) is driven to move along the second core-pulling direction through the movement of the guide sliding block (4).

2. The bidirectional core-pulling mechanism according to claim 1, wherein the guide slider (4) is provided with an inclined guide rail (410), the second core-pulling slider (3) is provided with an inclined sliding groove (320), and the inclined sliding groove (320) is slidably connected with the inclined guide rail (410).

3. The bidirectional core pulling mechanism of claim 2, wherein the inclined guide (410) is disposed at a predetermined angle to the second core pulling direction.

4. The mechanism of claim 1, wherein the first core-pulling slider (2) and the guiding slider (4) are provided with a limiting portion (212) and a stop portion (420), respectively, and the first core-pulling slider (2) and the guiding slider (4) are slidably connected and interact with the stop portion (420) through the limiting portion (212).

5. The bidirectional core-pulling mechanism according to claim 4, characterized in that the limit stop (212) is arranged on the left side of the first core-pulling slider (2) and the stop (420) is arranged on the right side of the guide slider (4); when the mold is closed, the limiting part (212) and the stopping part (420) are provided with sliding spaces along the sliding direction.

6. The mechanism of claim 1, comprising an angle guide post (710), wherein the angle guide post (710) is fixedly mounted on the fixed mold plate (7), the first core-pulling slider (2) is provided with a first angle hole (223), and the angle guide post (710) is slidably connected with the first angle hole (223).

7. The mechanism of claim 6, further comprising a shovel base (720), wherein the shovel base (720) is fixedly installed on the fixed die plate (7), the shovel base (720) is in contact with the first core-pulling slider (2), and surfaces of the shovel base (720) in contact with the first core-pulling slider (2) are respectively provided with guiding inclined surfaces which are matched with each other.

8. The bidirectional core-pulling mechanism according to claim 1, wherein the first core slider (2) includes a first core slider body (210) and a slider holder (220), the slider holder (220) being detachably connected to the first core slider body (210), the slider holder (220) being slidably connected to the movable platen (5).

9. The bidirectional core-pulling mechanism according to claim 1, further comprising a first stopper (530), wherein the first stopper (530) is fixedly mounted on the movable platen (5) and adapted to limit the displacement of the first core-pulling slider (2) in the second core-pulling direction.

10. An injection mould comprising a bi-directional core-pulling mechanism according to any one of claims 1 to 9.

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