阅读说明：本技术 轻量化电机壳体压铸模具的分型结构 (Parting structure of die-casting die for light motor shell ) 是由 马广兴 刘桂平 奚道伟 焦亚林 于 2020-12-18 设计创作，主要内容包括：本发明公开了一种轻量化电机壳体压铸模具的分型结构,包括：上模仁；下模仁,其与所述上模仁相对设置；以及第一滑块抽芯组件,其设于所述上模仁及所述下模仁之间；其中,所述上模仁的表面开设有上成型槽、第一上流道及第一上抽芯槽,所述下模仁的表面开设有下成型槽、第一下流道及第一下抽芯槽。根据本发明,其降低了产品所承受的抱紧力,从而降低了所述第一滑块抽芯组件抽芯时抱紧力对产品产生的撕扯作用,避免产品表面产生微裂纹而形成不合格产品,增大了产品的合格率。(The invention discloses a parting structure of a die-casting die for a lightweight motor shell, which comprises the following components: an upper die core; the lower die core is arranged opposite to the upper die core; the first sliding block core-pulling assembly is arranged between the upper die core and the lower die core; the surface of the upper die core is provided with an upper forming groove, a first upper runner and a first upper core drawing groove, and the surface of the lower die core is provided with a lower forming groove, a first lower runner and a first lower core drawing groove. According to the core pulling assembly, the holding force born by the product is reduced, so that the tearing action of the holding force on the product during core pulling of the first slide block core pulling assembly is reduced, the formation of unqualified products due to microcracks on the surface of the product is avoided, and the qualification rate of the product is increased.)

1. The utility model provides a lightweight motor casing die casting die's parting structure which characterized in that includes: an upper core (12);

a lower mold core (22) which is arranged opposite to the upper mold core (12); and

the first sliding block core-pulling assembly (3) is arranged between the upper die core (12) and the lower die core (22);

the surface of the upper die core (12) is provided with an upper molding groove (121), a first upper runner (122) and a first upper core drawing groove (123), and the surface of the lower die core (22) is provided with a lower molding groove (221), a first lower runner (222) and a first lower core drawing groove (223);

the upper forming groove (121) is communicated with the first upper core-pulling groove (123), the first upper runner (122) flows through the first upper core-pulling groove (123) and is communicated with the upper forming groove (121), the lower forming groove (221) is communicated with the first lower core-pulling groove (223), the first lower runner (222) flows through the first lower core-pulling groove (223) and is communicated with the lower forming groove (221), and the first slider core-pulling assembly (3) is arranged in the first upper core-pulling groove (123) and the first lower core-pulling groove (223), so that part of the first upper runner (122) and part of the first lower runner (222) are all wrapped on the periphery of the first slider core-pulling assembly (3).

2. The parting structure of the die-casting mold for the light-weight motor shell according to claim 1, wherein the first slide block core-pulling assembly (3) comprises: a first core back driver (31);

a slider module (33) comprising: the first slider seat (331) and a first slider (332) fixedly connected to the side end of the first slider seat (331), and the first slider seat (331) is in transmission connection with the power output end of the first core pulling driver (31); and

a first loose core (34) which is arranged inside the first slide block (34) and through which the first loose core (34) penetrates;

the first slider (332) is arranged in the first upper core-pulling groove (123) and the first lower core-pulling groove (223), and part of the first upper runner (122) and part of the first lower runner (222) are coated on the periphery of the first slider (332).

3. The parting structure of the die-casting die for the light-weight motor shell as claimed in claim 2, wherein the front side and the rear side of the first upper core-pulling groove (123) are respectively provided with a first forming groove (124), and the first forming grooves (124) are communicated with the upper forming groove (121);

second forming grooves (224) are formed in the front side and the rear side of the lower core-pulling groove (223), and the second forming grooves (224) are communicated with the lower forming groove (221);

when the upper die core (12) and the lower die core (22) are closed, a molding cavity is defined between the first molding groove (124) and the second molding groove (224), a miscellaneous bag is molded in the molding cavity, and the miscellaneous bag covers the periphery of the first sliding block (332).

4. The parting structure of the die-casting die for the light-weight motor shell as claimed in claim 2, wherein a first water transporting module (36) is arranged inside the slider module (33), a first water transporting channel (342) is formed inside the first loose core (34), and the first water transporting module (36) is communicated with the first water transporting channel (342).

5. The parting structure of the die-casting mold for the lightweight motor housing according to claim 4, wherein the first water transport module (36) comprises: a first water transport pipe (361) with a hollow interior;

a second water transport pipe (362) having a hollow interior, the second water transport pipe being provided inside the first water transport pipe (361); and

the water conveying insert (363) is detachably arranged at the side end of the first water conveying pipe (361);

wherein, second fortune water passageway (3611) have been seted up to the inside of first fortune water pipe (361), third fortune water passageway (3621) have been seted up to the inside of second fortune water pipe (362), fourth fortune water passageway (3631) have been seted up to the inside of fortune water insert (263), second fortune water passageway (3611) respectively with third fortune water passageway (3621) and fourth fortune water passageway (3631) are linked together, fourth fortune water passageway (3631) with first fortune water passageway (342) are linked together.

6. The parting structure of the die-casting mold for a lightweight motor housing according to claim 1, further comprising: the second sliding block core-pulling assembly (4) is arranged between the upper die core (12) and the lower die core (22); and the second slider core-pulling assembly (4) comprises:

a second core back driver (41);

the second slider seat (43) is in transmission connection with the power output end of the second core pulling driver (43);

a second slider (44) fixed to a side end of the second slider holder (43); and

at least two third loose cores (45), wherein each third loose core (45) is arranged inside the second sliding block (44) and extends out of the second sliding block (44);

the second core pulling driver (41) drives the second sliding block (44) and each third core pulling (45) to reciprocate along the front-back direction so as to control the second sliding block (44) and each third core pulling (45) to be in contact connection with the first core pulling (34).

7. The parting structure of the die-casting die for the light-weight motor shell as claimed in claim 6, wherein the surface of the upper die core (12) is further provided with a second upper core drawing groove (125) and a second upper runner (126), and the surface of the lower die core (22) is provided with a second lower core drawing groove (225) and a second lower runner (226);

the second upper core-pulling groove (125) and the second upper runner (126) are communicated with the upper forming groove (121), the second lower core-pulling groove (225) and the second lower runner (226) are communicated with the lower forming groove (221), the second upper runner (126) is arranged on the surface of the second upper core-pulling groove (125), the second lower runner (226) is arranged on the surface of the second lower core-pulling groove (225),

the second slider (44) is arranged in the second upper core-pulling groove (125) and the second lower core-pulling groove (225), so that the second upper runner (126) and the second lower runner (226) are wrapped on the periphery of the second slider (44).

8. The parting structure of the die-casting die for the light-weight motor shell as claimed in claim 6, wherein a seventh water carrying channel (441) is formed inside the second slider (44), and the seventh water carrying channel (441) is externally connected with a second water carrying module (46).

9. The parting structure of the die-casting mold for the lightweight motor housing according to claim 8, wherein the second water transport module (46) comprises: a fourth water conveying pipe (461) which is hollow inside, wherein an eighth water conveying channel (4611) is formed inside the fourth water conveying pipe (461), and the eighth water conveying channel (4611) is communicated with the seventh water conveying channel (441); and

a fifth water transporting pipe (462) with a hollow interior, a ninth water transporting channel (4621) is arranged in the fifth water transporting pipe (462), and the ninth water transporting channel (4621) is communicated with the seventh water transporting channel (441).

10. The parting structure of the die-casting mold for the light-weight motor shell as claimed in claim 9, wherein a third water inlet (4612) and a third water outlet (4613) are formed on the surface of the fourth water transporting pipe (461), the ninth water transporting channel (4621) is communicated with the third water inlet (4612), and the eighth water transporting channel (4611) is communicated with the third water outlet (4613).

Technical Field

The invention relates to the technical field of dies. More specifically, the invention relates to a parting structure of a die-casting die for a lightweight motor shell.

Background

In the field of mold technology, it is well known to implement parting of molds by using parting structures of different structural forms. In the process of researching and realizing parting of the mold, the inventor finds that the parting structure in the prior art has at least the following problems:

firstly, when the slide block of the existing separation structure is subjected to core pulling, the clamping force generated by the core pulling is large, so that the product is easy to generate microcracks, the product is unqualified, and the qualification rate of the product is reduced; secondly, the existing slider loose core is thick in wall thickness, and meanwhile, cooling water is not arranged inside the existing slider loose core, so that loosening and shrinkage cavities are easy to occur during product forming, unqualified products are increased, the unqualified interest rate of the products is high, and further the production cost is high.

In view of the above, it is necessary to develop a parting structure of a die-casting mold for a motor housing with light weight to solve the above problems.

Disclosure of Invention

Aiming at the defects in the prior art, the invention mainly aims to provide the parting structure of the light-weight motor shell die-casting die, wherein a part of the first upper runner and a part of the first lower runner are coated on the periphery of the first slider core-pulling assembly, so that a parting surface is formed between the first upper runner and the first lower runner and the first slider core-pulling assembly when the die is opened, and the parting surface and a product share the holding force when the first slider core-pulling assembly is used for pulling the core, so that the holding force borne by the product is reduced, the tearing effect on the product caused by the holding force when the first slider core-pulling assembly is used for pulling the core is reduced, the surface of the product is prevented from generating microcracks to form an unqualified product, and the qualification rate of the product is increased.

The invention also aims to provide a parting structure of the die-casting die for the motor shell of the light-weight motor, wherein a first water conveying channel is formed in the first loose core, and a first water conveying module is communicated with the first water conveying channel to cool the first loose core, so that the first loose core has a better cooling effect, the product is prevented from being loosened and shrunk, the qualification rate of the product is increased, and the production cost is reduced; meanwhile, the invention has simple structure and reasonable layout.

To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided a parting structure of a die-casting mold for a motor housing with light weight, including: an upper die core;

the lower die core is arranged opposite to the upper die core; and

the first sliding block core pulling assembly is arranged between the upper die core and the lower die core;

the surface of the upper die core is provided with an upper forming groove, a first upper runner and a first upper core drawing groove, and the surface of the lower die core is provided with a lower forming groove, a first lower runner and a first lower core drawing groove;

the upper forming groove is communicated with the first upper core-pulling groove, the first upper runner flows through the first upper core-pulling groove and is communicated with the upper forming groove, the lower forming groove is communicated with the first lower core-pulling groove, the first lower runner flows through the first lower core-pulling groove and is communicated with the lower forming groove, and the first slider core-pulling assembly is arranged in the first upper core-pulling groove and the first lower core-pulling groove, so that part of the first upper runner and part of the first lower runner are all wrapped on the periphery of the first slider core-pulling assembly.

Preferably, the first slider core pulling assembly comprises: a first core pulling driver;

the slider module, it includes: the first sliding block seat is fixedly connected with a first sliding block at the side end of the first sliding block seat, and the first sliding block seat is in transmission connection with the power output end of the first core pulling driver; and

the first loose core is arranged inside the first sliding block and penetrates through the first sliding block;

the first slide block is arranged in the first upper core pulling groove and the first lower core pulling groove, and part of the first upper runner and part of the first lower runner are wrapped on the periphery of the first slide block.

Preferably, the front side and the rear side of the first upper core-pulling groove are both provided with first forming grooves, and the first forming grooves are communicated with the upper forming grooves;

second forming grooves are formed in the front side and the rear side of the lower core-pulling groove and communicated with the lower forming grooves;

when the upper die core and the lower die core are assembled, a forming cavity is defined between the first forming groove and the second forming groove, a miscellaneous bag is formed inside the forming cavity, and the miscellaneous bag covers the periphery of the first sliding block.

Preferably, a first water transporting module is arranged inside the slider module, a first water transporting channel is formed inside the first loose core, and the first water transporting module is communicated with the first water transporting channel.

Preferably, the first water transport module comprises: a first water conveying pipe with a hollow interior;

the second water conveying pipe is hollow and is arranged inside the first water conveying pipe; and

the water conveying insert is detachably arranged at the side end of the first water conveying pipe;

the first water conveying pipe is provided with a first water conveying channel, the second water conveying pipe is provided with a second water conveying channel, the second water conveying pipe is provided with a third water conveying channel, the water conveying insert is provided with a fourth water conveying channel, the second water conveying channel is communicated with the third water conveying channel and the fourth water conveying channel respectively, and the fourth water conveying channel is communicated with the first water conveying channel.

Preferably, the method further includes: the second sliding block core-pulling assembly is arranged between the upper die core and the lower die core; and the second slider subassembly of loosing core includes:

a second core pulling driver;

the second sliding block seat is in transmission connection with the power output end of the second core pulling driver;

the second sliding block is fixedly connected to the side end of the second sliding block seat; and

at least two third loose cores, wherein each third loose core is arranged inside the second sliding block and extends out of the second sliding block;

the second core pulling driver drives the second sliding block and each third core pulling to reciprocate along the front-back direction so as to control the second sliding block and each third core pulling to be in contact connection with the first core pulling.

Preferably, the surface of the upper mold core is further provided with a second upper core drawing groove and a second upper flow passage, and the surface of the lower mold core is provided with a second lower core drawing groove and a second lower flow passage;

the second upper core-pulling groove and the second upper runner are communicated with the upper forming groove, the second lower core-pulling groove and the second lower runner are communicated with the lower forming groove, the second upper runner is arranged on the surface of the second upper core-pulling groove, the second lower runner is arranged on the surface of the second lower core-pulling groove,

the second sliding block is arranged in the second upper core pulling groove and the second lower core pulling groove, so that the second upper runner and the second lower runner are wrapped on the periphery of the second sliding block.

Preferably, the second slider is internally provided with a seventh water transporting channel, and the seventh water transporting channel is externally connected with a second water transporting module.

Preferably, the second water transport module comprises: a fourth water conveying pipe which is hollow inside, wherein an eighth water conveying channel is formed inside the fourth water conveying pipe, and the eighth water conveying channel is communicated with the seventh water conveying channel; and

a fifth water transporting pipe with a hollow interior, wherein a ninth water transporting channel is arranged inside the fifth water transporting pipe and communicated with the seventh water transporting channel

Preferably, the water transport device is characterized in that a third water inlet and a third water outlet are formed in the surface of the fourth water transport pipe, the ninth water transport channel is communicated with the third water inlet, and the eighth water transport channel is communicated with the third water outlet.

One of the above technical solutions has the following advantages or beneficial effects: the periphery of the first slider core-pulling assembly is coated with part of the first upper flow channel and part of the first lower flow channel, so that a parting surface is formed between the first upper flow channel and the first lower flow channel and the first slider core-pulling assembly when the mold is opened, and the parting surface and a product share the holding force of the first slider core-pulling assembly during core pulling, so that the holding force borne by the product is reduced, the tearing action of the holding force on the product during core pulling of the first slider core-pulling assembly is reduced, the surface of the product is prevented from generating microcracks to form unqualified products, and the qualification rate of the product is increased;

another technical scheme in the above technical scheme has the following advantages or beneficial effects: a first water conveying channel is formed in the first loose core, and a first water conveying module is communicated with the first water conveying channel to cool the first loose core, so that the first loose core has a good cooling effect, the product is prevented from being loosened and shrunk, the qualification rate of the product is increased, and the production cost is reduced; meanwhile, the invention has simple structure and reasonable layout.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings of the embodiments will be briefly described below, and it is apparent that the drawings in the following description relate only to some embodiments of the present invention and are not limiting thereof, wherein:

fig. 1 is a three-dimensional structural view of a parting structure of a die-casting mold for a lightweight motor housing according to an embodiment of the present invention;

fig. 2 is an exploded view of a parting structure of a die-casting mold for a lightweight motor housing according to an embodiment of the present invention;

fig. 3 is an exploded view of a parting structure of a die-casting mold for a lightweight motor housing according to an embodiment of the invention after a product is hidden;

fig. 4 is a three-dimensional structural view of a first slider core-pulling assembly and a second slider core-pulling assembly in a parting structure of the die-casting mold for the motor shell of the lightweight machine according to one embodiment of the invention;

fig. 5 is a three-dimensional structural view of an upper die core in a parting structure of a die-casting mold for a motor housing with a light weight according to an embodiment of the invention;

fig. 6 is a top view of an upper mold core in a parting structure of a die-casting mold for a motor housing with a light weight according to an embodiment of the invention;

fig. 7 is a three-dimensional structural view of a lower die core in a parting structure of a die-casting mold for a motor housing with a light weight according to an embodiment of the invention;

fig. 8 is a top view of a lower mold core in a parting structure of a die-casting mold for a motor housing with a light weight according to an embodiment of the invention;

fig. 9 is a three-dimensional structural view of a first slide block core pulling assembly in a parting structure of the die-casting die for the motor shell of the light weight motor according to one embodiment of the invention;

fig. 10 is a three-dimensional structural view of another view angle of the first slide block core pulling assembly in the parting structure of the light-weight motor shell die-casting die according to one embodiment of the invention;

fig. 11 is a cross-sectional view of a first slide block core pulling assembly in a parting structure of the die-casting die for the motor shell of the light weight motor according to one embodiment of the invention;

fig. 12 is an exploded view of a first core pulling and a first water transporting module in a parting structure of the die-casting mold for the motor shell of the light weight motor according to one embodiment of the invention;

fig. 13 is an exploded cross-sectional view of a first core pulling and a first water transporting module in a parting structure of the die-casting mold for the motor shell of the lightweight motor according to one embodiment of the invention;

fig. 14 is a cross-sectional view of a first core pulling and a first water transporting module in a parting structure of the die-casting mold for the motor shell of the lightweight motor according to one embodiment of the invention, wherein a direction a, a direction B and a direction C are water transporting flow directions;

fig. 15 is a sectional view of a water transport insert in a parting structure of a die-casting mold for a motor housing with light weight according to an embodiment of the present invention;

fig. 16 is an exploded view of a slide block module and a second loose core in a parting structure of the die-casting die for the motor shell of the light weight motor according to one embodiment of the invention;

fig. 17 is a cross-sectional view of a slide block module and a second core pin in a parting structure of the die-casting mold for the motor housing with light weight according to one embodiment of the invention;

fig. 18 is a sectional view of a slide block module and a second core back in a parting structure of the die-casting mold for the motor housing with light weight according to one embodiment of the invention;

fig. 19 is a sectional view of a second loose core in a parting structure of the die-casting mold for the motor housing with light weight according to one embodiment of the invention;

fig. 20 is a cross-sectional view of a second loose core in a parting structure of the die-casting mold for the motor housing with light weight according to one embodiment of the invention, wherein a direction D, a direction E and a direction F are water carrying flow directions;

fig. 21 is a three-dimensional structural view of a second slide block core pulling assembly in a parting structure of the light-weight motor housing die-casting die according to one embodiment of the invention;

fig. 22 is a cross-sectional view of a second slide block core pulling assembly in a parting structure of the light-weight motor housing die-casting die according to one embodiment of the invention;

fig. 23 is a sectional view of the second slide block and the second water transport module in the parting structure of the die-casting mold for the motor housing with light weight according to one embodiment of the invention;

fig. 24 is a cross-sectional view of the second slide block and the second water transport module in the parting structure of the die-casting mold for the lightweight motor housing according to one embodiment of the invention, wherein the directions H, G and I are water transport flow directions.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In the drawings, the shape and size may be exaggerated for clarity, and the same reference numerals will be used throughout the drawings to designate the same or similar components.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and claims of the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a," "an," or "the" and similar referents do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprise" or "comprises", and the like, means that the element or item listed before "comprises" or "comprising" covers the element or item listed after "comprising" or "comprises" and its equivalents, and does not exclude other elements or items. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, etc., are defined with respect to the configurations shown in the respective drawings, and in particular, "height" corresponds to a dimension from top to bottom, "width" corresponds to a dimension from left to right, "depth" corresponds to a dimension from front to rear, which are relative concepts, and thus may be varied accordingly depending on the position in which it is used, and thus these or other orientations should not be construed as limiting terms.

Terms concerning attachments, coupling and the like (e.g., "connected" and "attached") refer to a relationship wherein structures are secured or attached, either directly or indirectly, to one another through intervening structures, as well as both movable or rigid attachments, unless expressly described otherwise.

According to an embodiment of the present invention, referring to fig. 1 to 24, it can be seen that the parting structure of the die-casting mold for the lightweight motor housing includes: an upper mold core 12;

a lower mold core 22 disposed opposite to the upper mold core 12; and

the first sliding block core-pulling assembly 3 is arranged between the upper die core 12 and the lower die core 22;

the surface of the upper mold core 12 is provided with an upper molding groove 121, a first upper runner 122 and a first upper core-pulling groove 123, and the surface of the lower mold core 22 is provided with a lower molding groove 221, a first lower runner 222 and a first lower core-pulling groove 223;

the upper forming groove 121 is communicated with the first upper core-pulling groove 123, the first upper runner 122 flows through the first upper core-pulling groove 123 and is communicated with the upper forming groove 121, the lower forming groove 221 is communicated with the first lower core-pulling groove 223, the first lower runner 222 flows through the first lower core-pulling groove 223 and is communicated with the lower forming groove 221, and the first slider core-pulling assembly 3 is arranged in the first upper core-pulling groove 123 and the first lower core-pulling groove 223, so that part of the first upper runner 122 and part of the first lower runner 222 are all wrapped on the periphery of the first slider core-pulling assembly 3.

In a preferred embodiment, when the upper mold core 12 and the lower mold core 22 are closed, a cavity for molding a product is defined between the upper molding groove 121 and the lower molding groove 221, and the first slide block core pulling assembly 3 extends into the cavity.

It can be understood that aluminum liquid flows into the upper forming groove 121 through the first upper runner 122, flows into the lower forming groove 221 through the first lower runner 222, forms a product in the upper forming groove 121 and the lower forming groove 221, and forms a discharging handle in the first upper runner 122 and the first lower runner 222, because part of the first upper runner 122 and part of the first lower runner 222 are both covered on the periphery of the first slider core-pulling assembly 3, so that part of the discharging handle is covered on the periphery of the first slider core-pulling assembly 3, a parting surface is formed between the discharging handle and the first slider core-pulling assembly 3 when the mold is opened, and the discharging handle and the product jointly bear the holding force when the first slider core-pulling assembly 3 is used for pulling the core, thereby reducing the holding force borne by the product, and reducing the tearing effect of the holding force generated by the first slider core-pulling assembly 3 when the core is pulled, the method avoids the formation of unqualified products due to the generation of microcracks on the surface of the product, and increases the qualification rate of the product.

Further, the first slider core pulling assembly 3 includes: a first core back driver 31;

the slider module 33, it includes: a first slider seat 331 and a first slider 332 fixedly connected to a side end of the first slider seat 331, wherein the first slider seat 331 is in transmission connection with a power output end of the first core pulling driver 31; and

a first loose core 34, which is arranged inside the first slide block 34, and the first loose core 34 penetrates through the first slide block 34;

the first slider 332 is disposed inside the first upper core pulling groove 123 and the first lower core pulling groove 223, and a part of the first upper runner 122 and a part of the first lower runner 222 are both wrapped around the first slider 332.

Understandably, the discharge handle is formed by the first upper runner 122 and the first lower runner 222, and part of the discharge handle is wrapped on the periphery of the first sliding block 332, so that a parting surface is formed between the material handle and the first sliding block 332 when the mold is opened, and the material handle and the product jointly bear the holding force generated when the first core-pulling 34 is pulled, so that the holding force borne by the product is reduced, the tearing effect of the holding force generated by the first sliding block core-pulling assembly 3 during core-pulling on the product is reduced, the formation of unqualified products due to microcracks on the surface of the product is avoided, and the qualification rate of the product is increased.

Further, a first water transporting module 36 is arranged inside the slider module 33, a first water transporting channel 342 is formed inside the first core pulling 34, and the first water transporting module 36 is communicated with the first water transporting channel 342.

It can be understood that the first core pulling driver 31 drives the first core pulling 34 to extend into or out of the cavity, so that a hole is formed in the product, meanwhile, the slider module 33 is internally provided with the first water transporting module 36, the first core pulling 34 is internally provided with the first water transporting channel 342, and the first water transporting module 36 is communicated with the first water transporting channel 342, so that the first core pulling 34 has a better cooling effect, and the hole shrinkage or loosening is prevented.

In a preferred embodiment, the first core back driver 31 is fixed to the surface of the lower mold frame by a mounting bracket 32; the bottom end of the first slider seat 331 is provided with a connecting piece 39, and the first slider seat 331 is in transmission connection with the power output end of the first core pulling driver 31 through the connecting piece 39; the bottom end of the first slider seat 331 is further provided with a guide block 38, and the guide block 38 guides the slider module 33 and the first core back 34; first pressing strips 37 are arranged at two side ends of the first slider seat 331, and each first pressing strip 37 presses the first slider seat 331, so that the first slider seat 331 is prevented from moving freely, and the working efficiency is influenced; a first mounting hole 3321 is formed in the middle area of the first slider 332, the first loose core 34 is mounted in the first mounting hole 3321, and the first loose core 34 extends out of the first mounting hole 3321.

Further, the first water transport module 36 includes: a first water transport pipe 361 having a hollow interior;

a second water transport pipe 362 having a hollow interior and provided inside the first water transport pipe 361; and

a water transport insert 363 detachably provided at a side end of the first water transport pipe 361;

a second water transporting channel 3611 is disposed inside the first water transporting pipe 361, a third water transporting channel 3621 is disposed inside the second water transporting pipe 362, a fourth water transporting channel 3631 is disposed inside the water transporting insert 263, the second water transporting channel 3611 is respectively communicated with the third water transporting channel 3621 and the fourth water transporting channel 3631, and the fourth water transporting channel 3631 is communicated with the first water transporting channel 342.

In a preferred embodiment, a threaded portion 3614 is provided at a side end of the first water conveying pipe 361, a threaded hole 3635 is provided at a side end of the water conveying insert 363, and the first water conveying pipe 361 and the water conveying insert 363 are detachably connected by the cooperation of the threaded portion 3614 and the threaded hole 3635.

The first water conveying pipe 361 is detachably connected with the water conveying insert 363, so that the first water conveying pipe 361 and the second water conveying pipe 362 can be replaced conveniently, and the first water conveying pipe 361 and the second water conveying pipe 362 are prevented from being damaged and affecting work.

In a preferred embodiment, a first water inlet 3612 and a first water outlet 3613 are formed on the outer periphery of the first water conveying pipe 361, the first water inlet 3612 is communicated with the third water conveying channel 3621, and the first water outlet 3613 is communicated with the second water conveying channel 3611.

In a preferred embodiment, the first water inlet 3612 and the second water transporting port 3613 are both communicated with an external water transporting device,

further, a spiral water transporting channel 3632 is formed in the periphery of the water transporting insert 362, a communication hole 3633 is formed in the middle area of the water transporting insert 362, a communication port 3634 is formed in the side end of the water transporting insert 362, the spiral water transporting channel 3632 is communicated with the fourth water transporting channel 3631 through the communication hole 3633, and the spiral water transporting channel 3632 is communicated with the first water transporting channel 342 through the communication port 3634.

In a preferred embodiment, the spiral water conveying channel 3632 is located in the middle area of the first loose core 34, and the spiral water conveying channel 3632 is arranged to cool the middle area of the first loose core 34, so that the middle area of the first loose core 34 has a better cooling effect, and loosening or locking holes of products are prevented.

It can be understood that the cooling water enters the third water transportation channel 3621 from the first water inlet 3612 along the direction a, and at the same time, the cooling water enters the fourth water transportation channel 3631 and the first water transportation channel 342 along the direction B in the third water transportation channel 3621, and at the same time, the cooling water enters the spiral water transportation channel 3632 through the communication hole 3633 when flowing through the first water transportation channel 3631, and circulates in the spiral water transportation channel 3632, and enters the first water transportation channel 342 through the communication hole 3634;

the cooling water forms a backflow in the first water transportation channel 342, flows back to the fourth water transportation channel 3634 along the direction C, enters the second water transportation channel 3611, flows to the first water outlet 3613 through the second water transportation channel 3611, and flows out from the first water outlet 3613.

Further, a placing hole 341 is formed inside the first core back 34, and the water transporting insert 362 is placed in the placing hole 341.

Further, second core pulling fixing holes 3412 are formed in four corner positions of the first sliding block 341, and each second core pulling fixing hole 3412 is provided with a second core pulling 35;

a fifth water transport channel 351 is formed in the second loose core 35, a third water transport pipe 352 is arranged in the fifth water transport channel 351, a sixth water transport channel 3521 is formed in the third water transport pipe 352, and the sixth water transport channel 3521 is communicated with the fifth water transport channel 351.

Further, a connecting piece 353 is sleeved on the periphery of the third water conveying pipe 352, and the third water conveying pipe 352 is detachably connected with the second loose core 35 through the connecting piece 353;

a second water inlet 3531 and a second water outlet 3532 are formed in the surface of the connecting member 353, the second water inlet 3531 is communicated with the sixth water conveying channel 3521, and the second water outlet 3532 is communicated with the fifth water conveying channel 351.

Further, a first water inlet channel 3311 is formed in the first slider seat 331, a first water outlet channel 3312 is formed in the first slider seat 331, the first water inlet channel 3311 is communicated with the second water inlet 3531, and the first water outlet channel 3312 is communicated with the second water outlet 3532.

In a preferred embodiment, the first water inlet path 3311 and the first water outlet path 3312 are both in communication with an external water transport device.

It can be understood that the cooling water enters the second water inlet 3531 through the first water inlet channel 3311, enters the sixth water carrying channel 3521 along the direction D, enters the fifth water carrying channel 351, forms a backflow in the fifth water carrying channel 351, flows back to the second water outlet 3532 along the direction E, flows into the first water outlet channel 3312 at the second water outlet 3532 along the direction F, and flows out through the first water outlet channel 3312.

Through the inside cooling water carrying channel that has seted up of second loose core 35 for the second loose core 35 has better cooling effect, prevents the production of shrinkage cavity or loose.

Further, first forming grooves 124 are formed in the front side and the rear side of the first upper core-pulling groove 123, and the first forming grooves 124 are communicated with the upper forming groove 121;

second forming grooves 224 are formed in the front side and the rear side of the lower core pulling groove 223, and the second forming grooves 224 are communicated with the lower forming groove 221;

when the upper mold core 12 and the lower mold core 22 are closed, a molding cavity is defined between the first molding groove 124 and the second molding groove 224, and a miscellaneous bag is molded in the molding cavity and covers the periphery of the first slide block 332.

It can be understood that the aluminum liquid flows into the upper forming groove 121 through the first upper runner 122, flows into the lower forming groove 221 through the first lower runner 222, simultaneously enters the first forming groove 124 through the upper forming groove 123, enters the second forming groove 224 through the lower forming groove 221, forms a product in the upper forming groove 121 and the lower forming groove 221, simultaneously forms a miscellaneous bag in the forming cavity, and simultaneously wraps the periphery of the first slider 332, so that a parting surface is formed between the miscellaneous bag and the first slider 332 when the mold is opened, the miscellaneous bag and the product jointly bear the holding force when the first slider assembly 3 is used for core pulling, the holding force borne by the product is further reduced, the tearing action of the holding force on the product when the first slider assembly 3 is used for core pulling is further reduced, and the surface of the product is prevented from generating microcracks to form an unqualified product, the qualification rate of the product is increased.

Further, still include: the second sliding block core-pulling assembly 4 is arranged between the upper die core 12 and the lower die core 22; and the second slider core pulling assembly 4 comprises:

a second core back driver 41;

a second slider seat 43, which is in transmission connection with the power output end of the second core back driver 43;

a second slider 44 fixed to a side end of the second slider holder 43; and

at least two third loose cores 45, wherein each third loose core 45 is arranged inside the second sliding block 44 and extends out of the second sliding block 44;

the second core back driver 41 drives the second slider 44 and each third core back 45 to reciprocate along the front-back direction, so as to control the second slider 44 and each third core back 45 to be in contact connection with the first core back 34.

In a preferred embodiment, the second core back driver 41 is fixedly mounted on the surface of the lower mold frame through a fixing frame 42, a guide strip 47 is arranged at the bottom end of the second slider seat 43, the guide strip 47 guides the second slider seat 43, pressing strips 48 are arranged at both side ends of the second slider seat 43, and each pressing strip 48 presses the second slider seat 43 to prevent the second slider seat 43 from moving freely, so that the working efficiency is affected; at least two core pulling placing holes 442 are formed in the second slider 44, each third core pulling 45 is placed in a corresponding core pulling placing hole 442, and each third core pulling 45 extends out of a corresponding core pulling placing hole 442.

Further, a second upper core-pulling groove 125 and a second upper flow passage 126 are formed on the surface of the upper mold core 12, and a second lower core-pulling groove 225 and a second lower flow passage 226 are formed on the surface of the lower mold core 22;

the second upper core-pulling groove 125 and the second upper runner 126 are communicated with the upper molding groove 121, the second lower core-pulling groove 225 and the second lower runner 226 are communicated with the lower molding groove 221, the second upper runner 126 is disposed on the surface of the second upper core-pulling groove 125, the second lower runner 226 is disposed on the surface of the second lower core-pulling groove 225,

the second slider 44 is disposed inside the second upper core-pulling groove 125 and the second lower core-pulling groove 225, so that the second upper runner 126 and the second lower runner 226 cover the outer periphery of the second slider 44.

It can be understood that the aluminum liquid flows into the second upper runner 126 through the upper forming groove 121, flows into the second lower runner 226 through the lower forming groove 221, forms a product in the upper forming groove 121 and the lower forming groove 221, and forms a discharging handle in the second upper runner 126 and the second lower runner 226, because the second upper runner 126 and the second lower runner 226 are wrapped around the second slider 44, so that the material handles formed in the second upper runner 126 and the second lower runner 226 are wrapped around the second slider 44, a parting surface is formed between the material handles and the second slider 44 when the mold is opened, and the material handles and the product share the clasping force when the second slider core pulling assembly 4 is pulled, so that the clasping force borne by the product is reduced, and the tearing effect of the clasping force on the product when the second slider core pulling assembly 4 is pulled is reduced, the method avoids the formation of unqualified products due to the generation of microcracks on the surface of the product, and increases the qualification rate of the product.

Further, a seventh water transporting channel 441 is disposed inside the second slider 44, and the seventh water transporting channel 441 is externally connected with a second water transporting module 46.

Further, the second water transport module 46 includes: a fourth water transporting pipe 461 with a hollow interior, wherein an eighth water transporting channel 4611 is opened inside the fourth water transporting pipe 461, and the eighth water transporting channel 4611 is communicated with the seventh water transporting channel 441; and

a fifth water transporting pipe 462 with a hollow interior, wherein a ninth water transporting channel 4621 is disposed inside the fifth water transporting pipe 462, the ninth water transporting channel 4621 is communicated with the seventh water transporting channel 441, a third water inlet 4612 and a third water outlet 4613 are disposed on the surface of the fourth water transporting pipe 461, the ninth water transporting channel 4621 is communicated with the third water inlet 4612, and the eighth water transporting channel 4611 is communicated with the third water outlet 4613.

In a preferred embodiment, the third water inlet 4612 and the third water outlet 4613 are both in communication with an external water transport device.

It can be understood that the cooling water enters the ninth water carrying channel 4621 through the third water inlet 4612 in the direction I, enters the seventh water carrying channel 441 in the ninth water carrying channel 4621 in the direction H, forms a backflow at the tail end of the seventh water carrying channel 441, flows back to the eighth water carrying channel 4611, flows to the third water outlet 4613 through the eighth water carrying channel 4611, and flows out in the direction G through the third water outlet 4613.

Through set up cooling fortune water passageway in second slider 44 inside to make second slider 44 has better cooling effect, prevents shrinkage cavity or loose production.

In summary, the invention provides a parting structure of a lightweight motor shell die-casting die, which is characterized in that a part of a first upper runner and a part of a first lower runner are coated on the periphery of a first slider core-pulling assembly, so that a parting surface is formed between the first upper runner and the first lower runner and the first slider core-pulling assembly when the die is opened, and the parting surface and a product share the holding force of the first slider core-pulling assembly during core pulling, thereby reducing the holding force borne by the product, reducing the tearing action of the holding force on the product during core pulling of the first slider core-pulling assembly, avoiding the formation of unqualified products due to microcracks on the surface of the product, and increasing the qualification rate of the product;

a first water conveying channel is formed in the first loose core, and a first water conveying module is communicated with the first water conveying channel to cool the first loose core, so that the first loose core has a good cooling effect, the product is prevented from being loosened and shrunk, the qualification rate of the product is increased, and the production cost is reduced; meanwhile, the invention has simple structure and reasonable layout.

The number of apparatuses and the scale of the process described herein are intended to simplify the description of the present invention. Applications, modifications and variations of the present invention will be apparent to those skilled in the art.

While embodiments of the invention have been disclosed above, it is not intended to be limited to the uses set forth in the specification and examples. It can be applied to all kinds of fields suitable for the present invention. Additional modifications will readily occur to those skilled in the art. It is therefore intended that the invention not be limited to the exact details and illustrations described and illustrated herein, but fall within the scope of the appended claims and equivalents thereof.