CN214872394U - Secondary core pulling device - Google Patents
Secondary core pulling device Download PDFInfo
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- CN214872394U CN214872394U CN202121157524.3U CN202121157524U CN214872394U CN 214872394 U CN214872394 U CN 214872394U CN 202121157524 U CN202121157524 U CN 202121157524U CN 214872394 U CN214872394 U CN 214872394U
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Abstract
The utility model discloses a secondary core-pulling device, a slide block insert is provided with a core-pulling channel for the core-pulling insert to pass in and out along a first core-pulling direction in a penetrating way, the core-pulling mechanism is connected with the core-pulling insert, the core-pulling mechanism is connected with a slide block seat along a second core-pulling direction in a sliding way, a preset included angle is formed between the first core-pulling direction and the second core-pulling direction, the output end of a driving mechanism is connected with the core-pulling mechanism, a time-delay linkage mechanism is selectively connected with the slide block seat, when the driving mechanism drives the core-pulling mechanism to do core-pulling sliding along the second core-pulling direction, the core-pulling mechanism drives the core-pulling insert to withdraw from the core-pulling channel along the first core-pulling direction, and the delay linkage mechanism limits the action of the sliding block seat until the core-pulling insert withdraws from the core-pulling channel, the core pulling mechanism drives the sliding block seat to perform core pulling motion along the second core pulling direction after driving the core pulling insert to exit the core pulling channel so as to drive the sliding block insert to pull the core along the second core pulling direction; the utility model discloses simple structure effectively reduces the secondary die sinking action, promotes the stability of mould and reduces the abnormal rate of mould.
Description
Technical Field
The utility model relates to an injection mold technical field especially relates to a secondary device of loosing core.
Background
The earphone plastic part that prior art adopted injection mold injection moulding to have a sound hole and a sound mouth, and the earphone plastic part shaping back, if the system has the barb of equidirectional on the earphone plastic part, and can not adopt when loosing core smoothly of the fashioned mode of ordinary slider, need increase the secondary die sinking action on injection mold and control two places and loose core, this injection mold with secondary die sinking action's structure is complicated, the die sinking action is more, influence the stability of injection mold in the production process easily, and when the mould appears unusually, need repair the mould to the mould behind the lower mould, and frequently repair the mould can make greatly increased mould finished product and reduce the yields of the earphone plastic part that obtains of moulding plastics, thereby greatly increased mould and product cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a secondary device of loosing core can provide the operation of loosing core of different angles, and its simple structure, effectively reduces the secondary die sinking action, effectively promotes the stability of mould and reduces the abnormal rate of mould.
In order to realize the purpose, the utility model discloses a secondary core pulling device, which comprises a slide block seat, a slide block insert, a core pulling mechanism, a driving mechanism and a time delay linkage mechanism, wherein the slide block insert is arranged on the slide block seat, the slide block insert is provided with a core pulling channel for the core pulling insert to pass in and out along a first core pulling direction in a penetrating way, the core pulling mechanism is connected with the core pulling insert, the core pulling mechanism is connected with the slide block seat in a sliding way along a second core pulling direction, the first core pulling direction and the second core pulling direction have a preset included angle, the output end of the driving mechanism is connected with the core pulling mechanism, the time delay linkage mechanism is selectively connected with the slide block seat, the driving mechanism drives the core pulling insert to withdraw from the channel along the first core pulling direction when the core pulling mechanism drives the core pulling mechanism to do core pulling sliding along the second core pulling direction, and the delay linkage mechanism limits the action of the sliding block seat until the core-pulling insert exits from the core-pulling channel, so that the core-pulling mechanism drives the sliding block seat to perform core-pulling motion along a second core-pulling direction after driving the core-pulling insert to exit from the core-pulling channel, and the sliding block insert is driven to perform core-pulling motion along the second core-pulling direction.
Compared with the prior art, the utility model discloses a slide block seat is connected selectively to the delay link gear, actuating mechanism drive mechanism of loosing core does the slip of loosing core along the second direction of loosing core, the mechanism of loosing core drives the income of loosing core and withdraws from the passageway of loosing core along first direction of loosing core, and delay link gear limits the action of slide block seat until the income of loosing core withdraws from the passageway of loosing core, so that the mechanism of loosing core drives the slide block seat again and does the movement of loosing core along the second direction of loosing core after driving the income of loosing core and withdraw from the passageway of loosing core, in order to drive the slider income along the second direction of loosing core and loose core, on the one hand, first direction of loosing core and second direction of loosing core have the predetermined contained angle, be suitable for accomplishing the taking out of the income of two kinds of directions under the prerequisite of not destroying injection moulding product structure, and be suitable for taking out the income from having barb injection moulding product; on the other hand, the action of the sliding block seat is limited through the delay linkage mechanism, so that the sliding block seat can perform core pulling movement after the core pulling insert exits the core pulling channel, the structure is simple, secondary die opening action is effectively reduced, the stability of the die is effectively improved, and the abnormal rate of the die is reduced.
Preferably, the core pulling mechanism comprises a shovel base, a shovel base and a connecting block which are connected in sequence, the output end of the driving mechanism is connected with the connecting block, the shovel base is provided with a guide structure, the core pulling insert is in sliding connection with the guide structure, the shovel base is in sliding connection with the sliding block base along the second core pulling direction, and the core pulling insert can enter or exit the core pulling channel when sliding on the guide structure.
Specifically, the slider seat has been seted up first spout along the second direction of loosing core, the shovel base spacing in first spout slides, the slider seat has still been seted up the second spout along the second direction of loosing core, the second spout is loosed core along the second direction and is included relative first inner wall and second inner wall, the connecting block spacing in slide in the second spout, and work as the income of loosing core completely during the passageway of loosing core, the connecting block butt first inner wall works as the income of loosing core withdraws from completely during the passageway of loosing core, the connecting block butt the second inner wall.
Preferably, the delay link gear includes shutter seat and shutter pin, the shutter seat is located on the back mould, the shutter seat is seted up and is supplied the first embedded groove of the lower extreme embedding of shutter pin, the slider seat is seted up and is supplied the second embedded groove of the upper end embedding of shutter pin, the shutter pin selectively imbeds in the first embedded groove or in the second embedded groove, the shutter pin embedding in the first embedded groove in order to restrict the action of slider seat, the shutter pin embedding is relieved in the second embedded groove and is right the action restriction of slider seat.
Specifically, the first embedded groove is provided with a first guide inclined surface, the second embedded groove is provided with a second guide inclined surface, the first embedded groove and the second embedded groove are located in the same plane, when the core-pulling insert completely enters the core-pulling channel, the lower end of the shutter pin is embedded into the first embedded groove, and the second embedded groove is located on one side of the first embedded groove in the second core-pulling direction; when the core-pulling insert completely exits from the core-pulling channel, the lower end of the shutter pin is embedded into the first embedded groove or the upper end of the shutter pin is embedded into the second embedded groove, and the second embedded groove is positioned right above the first embedded groove; when the slider insert looses the core along the second core-pulling direction, the lower end of the shutter pin is separated from the first embedded groove along the first guide inclined plane and then embedded into the second embedded groove along the second guide inclined plane, and the second embedded groove is located on the other side of the first embedded groove along the second core-pulling direction.
Preferably, the secondary core pulling device further comprises a first wear-resisting plate mounted on the rear die, the slider seat is tightly attached to the first wear-resisting plate, and the shutter seat penetrates through the first wear-resisting plate and then is fixed on the rear die.
Preferably, the secondary core pulling device further comprises a positioning locking block, the positioning locking block penetrates through the first wear-resisting plate and then is fixed on the rear die, the positioning locking block is provided with a positioning block capable of protruding or retracting into the locking block body, and the sliding block seat is provided with a positioning groove for clamping the positioning block.
Preferably, the secondary device of loosing core still includes the locating part, the locating part is located on the back mould, the slider inserts the son and looses the core completely along the second direction of loosing core after, the slider seat butt the locating part.
Preferably, the secondary core pulling device further comprises a heel block and a second wear-resisting plate, the heel block is used for installing a front die, the second wear-resisting plate is installed on the heel block, and when the front die and the rear die are closed, the second wear-resisting plate is tightly attached to the slider seat and the core pulling mechanism.
Preferably, the secondary core pulling device further includes two pressing blocks arranged oppositely, and the two pressing blocks together form a sliding channel for the sliding block seat to slide along the second core pulling direction.
Drawings
Fig. 1 is a schematic structural view of the secondary core pulling device of the present invention;
FIG. 2 is an exploded view of the secondary core pulling device of the present invention;
FIG. 3 is a cross-sectional view of the core-pulling insert of the secondary core-pulling device of the present invention when fully inserted into the core;
FIG. 4 is a cross-sectional view of the secondary core pulling device when the core pulling insert fully pulls core;
fig. 5 is a cross-sectional view of the slider insert of the secondary core pulling device of the present invention when completely pulling core.
Detailed Description
In order to explain technical contents, structural features, and objects and effects of the present invention in detail, the following description is given in conjunction with the embodiments and the accompanying drawings.
Referring to fig. 1 to 5, the secondary core pulling device of the present embodiment includes a slider seat 10, a slider insert 20, a core pulling insert 30, a core pulling mechanism, a driving mechanism 50, and a delay linkage mechanism, where the slider insert 20 is disposed on the slider seat 10, the slider insert 20 is provided with a core pulling channel 21 for the core pulling insert 30 to enter and exit along a first core pulling direction, the core pulling mechanism is connected to the core pulling insert 30, and the core pulling mechanism is connected to the slider seat 10 along a second core pulling direction in a sliding manner. The core insert 30 and the slider insert 20 can be used to form a sound outlet hole and a sound outlet nozzle, respectively, of, for example, an earphone housing. The driving mechanism 50 is specifically an oil pressure type driving mechanism 50 to provide stable and reliable core pulling power, but the driving mechanism 50 may also be other driving mechanisms 50 such as a stepping motor, a linear motor, and the like, and is not limited herein.
The first core-pulling direction and the second core-pulling direction have a preset included angle, the output end of the driving mechanism 50 is connected with the core-pulling mechanism, the delay linkage mechanism is selectively connected with the slider seat 10, when the driving mechanism 50 drives the core-pulling mechanism to perform core-pulling sliding along the second core-pulling direction, the core-pulling mechanism drives the core-pulling insert 30 to withdraw from the core-pulling channel 21 along the first core-pulling direction, and the delay linkage mechanism limits the action of the slider seat 10 until the core-pulling insert 30 withdraws from the core-pulling channel 21, so that the core-pulling mechanism drives the slider seat 10 to perform core-pulling movement along the second core-pulling direction after driving the core-pulling insert 30 to withdraw from the core-pulling channel 21, and the slider insert 20 is driven to perform core-pulling along the second core-pulling direction.
It will be appreciated that, for ease of understanding, the second core pulling direction referred to in this embodiment is the horizontal direction as shown in fig. 3-5, the forward movement of the slider insert 20 in the second core pulling direction is its core insertion operation (i.e., the direction indicated by B in BB '), and the backward movement of the slider insert 20 in the second core pulling direction is its core pulling operation (i.e., the direction indicated by B ' in BB '). Accordingly, the first core pulling direction is a direction obliquely upward relative to the second core pulling direction as shown in fig. 3 to 5, the core back insert 30 moves forward along the first core pulling direction to perform the core inserting operation (i.e., the direction indicated by a in AA '), and the core back insert 30 moves backward along the first core pulling direction to perform the core pulling operation (i.e., the direction indicated by a in AA'). Of course, the first core pulling direction and the second core pulling direction may also be other directions having a preset included angle to meet different injection molding requirements, which is not described herein again.
Referring to fig. 2 to 5, the core pulling mechanism of the present embodiment includes a shovel base 41, a shovel base 42 and a connecting block, which are connected in sequence, an output end of the driving mechanism 50 is connected to the connecting block, the shovel base 41 is provided with a guiding structure 411, the core pulling insert 30 is slidably connected to the guiding structure 411, the shovel base 42 is slidably connected to the slider base 10 along the second core pulling direction, and when the core pulling insert 30 slides on the guiding structure 411, the core pulling insert 30 can enter or exit the core pulling channel 21. Preferably, the guiding structure 411 of this embodiment is specifically an inclined protrusion, the inclined protrusion is integrally formed on the shovel base 41, the core-pulling insert 30 is formed with an inclined groove for limiting sliding of the inclined protrusion, and the sliding direction of the inclined protrusion along the inclined groove is perpendicular to the first core-pulling direction, so that when the inclined protrusion moves along the inclined groove, the core-pulling insert 30 can reliably enter or exit the core-pulling channel 21 along the first core-pulling direction.
Specifically, first spout 11 has been seted up along the second direction of loosing core to slider seat 10, shovel base 42 is spacing to slide in first spout 11, slider seat 10 still draws core the direction along the second and offers second spout 12 that is the T type form, second spout 12 draws core the direction along the second and includes relative first inner wall and second inner wall, the connecting block is the setting of T type form, the connecting block is spacing to slide in second spout 12, the connecting block has certain slide space at second spout 12 promptly, so that the connecting block is located first inner wall and second inner wall at second spout 12 and is reciprocating motion. When the core-pulling insert 30 completely enters the core-pulling channel 21, the connecting block is abutted to the first inner wall, when the core-pulling insert 30 completely exits the core-pulling channel 21, the connecting block is abutted to the second inner wall, and the core-pulling insert 30 and the sliding block insert 20 have a time-delay linkage structure due to the arrangement, so that the core-pulling insert 30 and the sliding block insert 20 have two states of relative motion and relative static. Of course, in other preferred modes, the second sliding groove 12 and the connecting block may also be in other shapes capable of achieving the above functions, and are not limited herein.
Preferably, the delay link mechanism includes a shutter base 61 and a shutter pin 62, the shutter base 61 is disposed on the rear mold, the shutter base 61 is provided with a first insertion groove 611 into which a lower end of the shutter pin 62 is inserted, the slider base 10 is provided with a second insertion groove 13 into which an upper end of the shutter pin 62 is inserted, the shutter pin 62 is selectively inserted into the first insertion groove 611 or the second insertion groove 13, the shutter pin 62 is inserted into the first insertion groove 611 to restrict the movement of the slider base 10, and the insertion of the shutter pin 62 into the second insertion groove 13 releases the restriction of the movement of the slider base 10. The arrangement enables the slider seat 10 to have a selective locking structure, and the core-pulling insert 30 and the slider insert 20 have two states of relative movement and relative rest by combining the delay type linkage structure, so as to meet the requirement of secondary core-pulling operation.
Specifically, the first insertion groove 611 is provided with a first guide inclined surface, the second insertion groove 13 is provided with a second guide inclined surface, the first insertion groove 611 and the second insertion groove 13 are located in the same plane, when the core-pulling insert 30 completely enters the core-pulling channel 21, that is, the front mold and the rear mold are in a closed state, the lower end of the shutter pin 62 is inserted into the first insertion groove 611 as shown in fig. 3, and the second insertion groove 13 is located on one side of the first insertion groove 611 in the second core-pulling direction; when the core back insert 30 completely exits the core back channel 21, that is, one core back is completed, the lower end of the shutter pin 62 is inserted into the first insertion groove 611 as shown in fig. 4, and the second insertion groove 13 is located right above the first insertion groove 611; when the slider insert 20 is used for pulling the core in the second core pulling direction, the lower end of the shutter pin 62 is separated from the first embedded groove 611 along the first guide inclined surface under the action of force, and then is embedded into the second embedded groove 13 along the second guide inclined surface, and the second embedded groove 13 is located on the other side of the first embedded groove 611 along the second core pulling direction as shown in fig. 5 until the secondary core pulling is completed.
Referring to fig. 2 to 5, the secondary core pulling device of this embodiment further includes a first wear plate 70 and a positioning lock block 80, which are mounted on the rear mold, the slider seat 10 is tightly attached to the first wear plate 70, and the shutter seat 61 penetrates through the first wear plate 70 and is fixed on the rear mold. Wear between the slider housing 10 and the rear mold due to sliding is reduced by the first wear plate 70 to extend the life span of the slider housing 10 and the rear mold. The positioning lock block 80 penetrates through the first wear-resistant plate 70 and then is fixed on the rear mold, the positioning lock block 80 is provided with a positioning block which can protrude or retract into the lock block body, and the slider seat 10 is provided with a positioning groove for clamping the positioning block, so that the slider seat 10 can be quickly positioned on the rear mold.
The secondary core pulling device of this embodiment further includes a limiting member 90, a heel block 100, a second wear-resisting plate 110 and two press blocks 120 that are arranged relatively, the limiting member 90 is disposed on the back mold, and after the slider insert 20 completely pulls the core along the second core pulling direction, the slider seat 10 abuts against the limiting member 90, i.e., the limiting member 90 is used for limiting the core pulling stroke of the slider seat 10. The heel block 100 is used for mounting a front die, the second wear plate 110 is mounted on the heel block 100, and when the front die and the rear die are closed, the second wear plate 110 abuts against the slider seat 10 and the core-pulling mechanism. Wear between the heel block 100 and the front mold due to sliding is reduced by the second wear plate 110 to extend the useful life of the heel block 100 and the front mold. The two pressing blocks 120 form a sliding channel for the slider seat 10 to slide along the second core-pulling direction together, so as to limit the movement of the slider seat 10 and avoid core-pulling and core-entering failures caused by sliding deviation of the slider seat 10.
Referring to fig. 1 to 5, the following will describe in detail the use process of the secondary core pulling device of the present embodiment:
core pulling process:
1. separating the front mold from the rear mold through equipment such as a forming machine;
2. the driving mechanism 50 drives the connecting block, the shovel base 42 and the shovel base 41 to synchronously move along the core-pulling side in the second core-pulling direction, and the core-pulling insert 30 slides on the guide structure 411 to move along the core-pulling side in the first core-pulling direction until the core-pulling insert 30 completely exits the core-pulling channel 21, so that the core-pulling step of the core-pulling insert 30 is completed. At this time, since the shutter pin 62 is inserted into the first insertion groove 611 to limit the movement of the slider holder 10, the slider holder 10 is in a stationary state with respect to the connecting block, the shovel base 42, and the shovel base 41, so that the slider holder 10 does not perform the core pulling movement.
3. When the core puller 30 completely withdraws from the core pulling channel 21, the connecting block abuts against the second inner wall of the slider seat 10, the acting force of the driving mechanism 50 acts on the slider seat 10, so that the slider seat 10 has a tendency of core pulling side movement along the second core pulling direction, the shutter pin 62 gradually withdraws from the first embedded groove 611 under the action of the first guide inclined plane and is embedded into the second embedded groove 13 under the action of the second guide inclined plane, thereby retracting the shutter pin 62 into the slider seat 10 and releasing the locking of the slider seat 10. At this time, the slider insert 20, the slider seat 10, the connecting block, the shovel base 42 and the shovel base 41 synchronously move along the core pulling side in the second core pulling direction until the connecting block abuts against the limiting member 90, so that the core pulling step of the slider insert 20 is completed.
A core entering process:
1. the driving mechanism 50 drives the connecting block, the shovel base 42 and the shovel base 41 to synchronously move along the core-entering side of the second core-pulling direction, when the connecting block abuts against the first inner wall of the slider seat 10, the acting force of the driving mechanism 50 acts on the slider seat 10, and the driving mechanism 50 drives the slider seat 10 to move along the core-entering side of the second core-pulling direction until the slider insert 20 completely enters the core, so that the core-entering step of the slider insert 20 is completed. At this time, the second insertion groove 13, the shutter pin 62, and the first insertion groove 611 are positioned on the same line, and the shutter pin 62 is inserted into the first insertion groove 611 by gravity to restrict the movement of the slider holder 10, so that the slider holder 10 is in a stationary state with respect to the connecting block, the shovel base 42, and the shovel base 41.
2. The connecting block, the shovel base 42 and the shovel base 41 continue to move along the core-entering side in the second core-pulling direction under the action of the driving mechanism 50, and the core-pulling insert 30 slides on the guide structure 411 to move along the core-entering side in the first core-pulling direction until the core-pulling insert 30 completely enters the core-pulling channel 21, so that the core-entering operation of the core-pulling insert 30 is completed.
3. And the front mold and the rear mold are closed through equipment such as a forming machine station and the like.
With reference to fig. 1-5, the utility model discloses a slide block seat 10 is connected selectively to the time delay link gear, when actuating mechanism 50 drive mechanism of loosing core is the slip of loosing core along the second direction of loosing core, the mechanism of loosing core drives the income of loosing core 30 and withdraws from the passageway of loosing core 21 along first direction of loosing core, and the action of time delay link gear restriction slide block seat 10 is until the income of loosing core 30 withdraws from the passageway of loosing core 21, so that the mechanism of loosing core drives the income of loosing core 30 and withdraws from the passageway of loosing core after withdrawing from the passageway of loosing core 21 and then drives slide block seat 10 and do the movement of loosing core along first direction of loosing core, in order to drive slider income 20 along the first direction of loosing core loose core, on the one hand, first direction of loosing core and second direction of loosing core have the preset contained angle, be suitable for accomplishing the taking out of the income of two kinds of directions under the prerequisite of not destroying injection molding product structure, and be suitable for taking out the income from having barb injection molding product; on the other hand, the action of the slider seat 10 is limited through the delay linkage mechanism, so that the slider seat 10 can perform core pulling movement after the core pulling insert 30 exits the core pulling channel 21, the structure is simple, secondary die opening action is effectively reduced, the stability of the die is effectively improved, and the abnormal rate of the die is reduced.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, therefore, the invention is not limited thereto.
Claims (10)
1. The utility model provides a secondary device of loosing core which characterized in that: the core pulling mechanism comprises a sliding block seat, a sliding block insert, a core pulling mechanism, a driving mechanism and a delay linkage mechanism, wherein the sliding block insert is arranged on the sliding block seat, a core pulling channel for the core pulling insert to enter and exit is arranged in a penetrating manner along a first core pulling direction, the core pulling mechanism is connected with the core pulling insert and is connected with the sliding block seat in a sliding manner along a second core pulling direction, a preset included angle is formed between the first core pulling direction and the second core pulling direction, the output end of the driving mechanism is connected with the core pulling mechanism, the delay linkage mechanism can be selectively connected with the sliding block seat, the driving mechanism drives the core pulling insert to withdraw from the core pulling channel along the first core pulling direction when the core pulling mechanism slides along the second core pulling direction, and limits the action of the sliding block seat until the core pulling insert withdraws from the core pulling channel, the core pulling mechanism drives the sliding block seat to do core pulling motion along the second core pulling direction after driving the core pulling insert to exit the core pulling channel, so as to drive the sliding block insert to pull the core along the second core pulling direction.
2. The secondary core pulling device according to claim 1, characterized in that: the core pulling mechanism comprises a shovel base, a shovel base and a connecting block which are connected in sequence, the output end of the driving mechanism is connected with the connecting block, the shovel base is provided with a guide structure, the core pulling insert is in sliding connection with the guide structure, the shovel base is in sliding connection with the slider base along the second core pulling direction, and the core pulling insert can enter or exit the core pulling channel when sliding on the guide structure.
3. The secondary core pulling device according to claim 2, characterized in that: the slider seat has been seted up first spout along the second direction of loosing core, the shovel base spacing in first spout slides, the slider seat has still been seted up the second spout along the second direction of loosing core, the second spout is loosed core the direction along the second and is included relative first inner wall and second inner wall, the connecting block spacing in slide in the second spout, and work as the insert of loosing core gets into completely during the passageway of loosing core, the connecting block butt first inner wall works as the insert of loosing core withdraws from completely during the passageway of loosing core, the connecting block butt the second inner wall.
4. The secondary core pulling device according to claim 1, characterized in that: the time delay link gear includes shutter seat and shutter pin, on the shutter seat located the back mould, the confession was seted up to the shutter seat the first embedded groove of the lower extreme embedding of shutter pin, the confession has been seted up to the slider seat the second embedded groove of the upper end embedding of shutter pin, the selectively embedding of shutter pin in the first embedded groove or in the second embedded groove, the embedding of shutter pin in the first embedded groove with the restriction the action of slider seat, the embedding of shutter pin is right relieved in the second embedded groove the action restriction of slider seat.
5. The secondary core pulling device according to claim 4, characterized in that: the first embedded groove is provided with a first guide inclined surface, the second embedded groove is provided with a second guide inclined surface, the first embedded groove and the second embedded groove are located in the same plane, when the core-pulling insert completely enters the core-pulling channel, the lower end of the shutter pin is embedded into the first embedded groove, and the second embedded groove is located on one side of the first embedded groove in the second core-pulling direction; when the core-pulling insert completely exits from the core-pulling channel, the lower end of the shutter pin is embedded into the first embedded groove or the upper end of the shutter pin is embedded into the second embedded groove, and the second embedded groove is positioned right above the first embedded groove; when the slider insert looses the core along the second core-pulling direction, the lower end of the shutter pin is separated from the first embedded groove along the first guide inclined plane and then embedded into the second embedded groove along the second guide inclined plane, and the second embedded groove is located on the other side of the first embedded groove along the second core-pulling direction.
6. The secondary core pulling device according to claim 4, characterized in that: the sliding block seat is tightly attached to the first wear-resisting plate, and the shutter seat penetrates through the first wear-resisting plate and then is fixed on the rear die.
7. The secondary core pulling device according to claim 6, characterized in that: the wear-resisting plate positioning device is characterized by further comprising a positioning locking block, the positioning locking block penetrates through the first wear-resisting plate and then is fixed on the rear die, the positioning locking block is provided with a positioning block capable of protruding extending or retracting into the locking block body, and the sliding block seat is provided with a positioning groove for clamping the positioning block.
8. The secondary core pulling device according to claim 1, characterized in that: the slider insert is arranged on the rear die and is completely pulled out of the core along the second core-pulling direction, and the slider seat is abutted to the limiting part.
9. The secondary core pulling device according to claim 4, characterized in that: the rear heel block is used for installing a front die, the second wear-resisting plate is installed on the rear heel block, and when the front die and the rear die are closed, the second wear-resisting plate is tightly attached to the sliding block seat and the core-pulling mechanism.
10. The secondary core pulling device according to claim 1, characterized in that: the sliding block seat further comprises two pressing blocks which are oppositely arranged, and the two pressing blocks jointly form a sliding channel for the sliding block seat to slide along the second core-pulling direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121157524.3U CN214872394U (en) | 2021-05-27 | 2021-05-27 | Secondary core pulling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121157524.3U CN214872394U (en) | 2021-05-27 | 2021-05-27 | Secondary core pulling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214872394U true CN214872394U (en) | 2021-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121157524.3U Expired - Fee Related CN214872394U (en) | 2021-05-27 | 2021-05-27 | Secondary core pulling device |
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| CN (1) | CN214872394U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114347399A (en) * | 2021-12-16 | 2022-04-15 | 苏州瑞尔福精密模具有限公司 | Drawing mechanism for injection mold and using method thereof |
| CN114523633A (en) * | 2022-01-11 | 2022-05-24 | 宁波方正汽车模具股份有限公司 | Secondary demoulding structure |
-
2021
- 2021-05-27 CN CN202121157524.3U patent/CN214872394U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114347399A (en) * | 2021-12-16 | 2022-04-15 | 苏州瑞尔福精密模具有限公司 | Drawing mechanism for injection mold and using method thereof |
| CN114523633A (en) * | 2022-01-11 | 2022-05-24 | 宁波方正汽车模具股份有限公司 | Secondary demoulding structure |
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