Die-casting mold core structure for runner plate

Abstract

The utility model relates to a die-casting die core structure for a runner plate, which comprises an upper die core, a lower die core and an injection port, the upper die core and the lower die core are stacked up and down, a die cavity structure is formed between the upper die core and the lower die core, and the injection port is arranged between the middle parts of the front sides of the upper die core and the lower die core. A herringbone runner is arranged between the injection port and the front sides of the two ends of the mold cavity structure, a middle forming boss embedded into the middle of the mold cavity structure is arranged in the middle of the lower end face of the upper mold core, and a groove convex rib with the two ends bent and extending forwards is arranged on the rear side of the middle forming boss. A rear inner groove is formed in the rear portion of the upper end face of the lower die core, and a rear forming boss matched with the rear inner groove is arranged on the rear portion of the lower end face of the upper die core. The mold has the characteristics of reducing the manufacturing cost of the mold, improving the production efficiency of products, facilitating the demolding of the products and the like.

Description

TECHNICAL FIELD

[0001] The utility model relates to die casting mould core technical field especially a kind of die casting mould core structure for runner plate. BACKGROUND

[0002] The conventional runner plate structure usually needs to ensure that runner channel is shaped, so the conventional runner plate usually chooses multi-core-pulling structure when producing, to ensure the molding of hole channel, and the manufacturing cost of this type of die casting mould is higher, and the production efficiency is lower, to solve the above problems, die casting mould core structure needs to be improved. SUMMARY

[0003] The utility model provides a kind of die casting mould core structure for runner plate, with reduce mould manufacturing cost, improve product production efficiency, it is easy to product demoulding etc.

[0004] The utility model discloses a kind of die casting mould core structure for runner plate, including upper mould core, lower mould core and injection port, the upper mould core and lower mould core are arranged in up-down stacking, the upper mould core and lower mould core are formed between the cavity structure, the injection port is provided between the front side middle part of the upper mould core and lower mould core, the injection port and the front side between the both ends of cavity structure are provided with herringbone runner, the middle part forming boss of the lower end surface middle part of the upper mould core is embedded in the middle part of cavity structure, the rear side of the middle part forming boss is provided with the groove boss that two ends curve and extend forward, the rear part inner groove is provided in the upper end surface rear part of the lower mould core, the rear part forming boss that is matched with rear part inner groove is provided in the rear part of the lower end surface of the upper mould core.

[0005] In the technical scheme, the herringbone runner is arranged to facilitate the rapid injection of aluminum liquid into the cavity structure, facilitate the rapid molding of the product, the middle part forming boss is arranged to mold a node of the runner, the groove boss is arranged to facilitate the molding of the groove inside the runner plate, the rear part forming boss and the rear part inner groove are arranged to facilitate the increase of the overall height of the runner plate and improve the base strength of the runner plate.

[0006] As a supplement to the technical scheme, the left part forming groove is arranged at the left part of the upper end surface of the lower mould core on the left side of the cavity structure, and the left part forming boss matched with the left part forming groove is arranged at the left part of the lower end surface of the upper mould core, so that the height of the left end of the product is increased to ensure the integrity of the product.

[0007] As a supplement to the technical solution, the bottom of the rear inner groove is symmetrically provided with two positioning grooves, the middle part of the positioning groove is provided with a side exhaust node, the middle part of the rear inner groove is provided with a middle exhaust node, and the rear side of the side exhaust node and the middle exhaust node is provided with a rear-extending exhaust shallow groove.

[0008] As a supplement to the technical solution, the left end of the groove protruding rib is provided with a downward extending hole site forming column, and the right end of the groove protruding rib is provided with a downward extending hole site node. The hole site forming column and the hole site node are arranged to ensure that the product end forms a hole site.

[0009] As a supplement to the technical solution, the end of the cavity structure is provided with an end slag pocket structure.

[0010] As a supplement to the technical solution, the middle part of the upper end face of the lower mold core is provided with two rear exhaust slag pockets which are in abutment with the curved part of the groove protruding rib. The end slag pocket structure and the rear exhaust slag pocket are arranged to facilitate air exhaust.

[0011] As a supplement to the technical solution, the middle part of the upper mold core is provided with a plug-in pin structure which is inserted into the middle part of the cavity structure.

[0012] Beneficial effects: The utility model relates to a kind of die casting mold core structures for runner plate, by setting herringbone runner, it is convenient for aluminum liquid to be quickly injected into cavity structure, it is convenient for product rapid forming, while by setting middle forming boss, it is shaped to one node of runner, by setting groove protruding rib, it is convenient for the groove of inner runner plate to be shaped, by setting rear forming boss and rear inner groove, it is convenient to increase the overall height of runner plate, improve the base strength of runner plate, with the characteristics such as reducing die manufacturing cost, improving product production efficiency, facilitating product demolding. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the structure view of the utility model;

[0014] Figure 2 It is the top view of the lower mold core of the utility model;

[0015] Figure 3 It is the structure view of the lower mold core of the utility model;

[0016] Figure 4 It is the bottom view of the upper mold core of the utility model;

[0017] Figure 5It is the structural view of the upper mold core.

[0018] Fig. 1 is an upper mold core, 2 is a lower mold core, 3 is an injection port, 4 is a herringbone runner, 5 is a mold cavity structure, 6 is a left part forming groove, 7 is a left part forming boss, 8 is a rear part inner groove, 9 is a rear part forming boss, 10 is a positioning groove, 11 is a middle part exhaust node, 12 is a side part exhaust node, 13 is an exhaust shallow groove, 14 is a bolt structure, 15 is a groove boss, 16 is a middle part forming boss, 17 is a hole site forming column, 18 is an end part slag ladle structure, 19 is a rear part exhaust slag ladle, and 20 is a hole site node. DETAILED DESCRIPTION

[0019] The embodiments are further described below. It should be understood that these embodiments are merely used for illustrating the present application and not used for limiting the scope of the present application. Furthermore, it should be understood that after reading the content of the present application, those skilled in the art can make various changes or modifications to the present application, and these equivalent forms are also within the scope of the appended claims.

[0020] The embodiment of the present application relates to a die casting mold core structure for a runner plate, such as Figure 1 As shown in Fig. 5, the die casting mold core structure for the runner plate comprises an upper mold core 1, a lower mold core 2 and an injection port 3, the upper mold core 1 and the lower mold core 2 are arranged in a stacked manner, and a mold cavity structure 5 is formed between the upper mold core 1 and the lower mold core 2, the injection port 3 is arranged between the middle part of the front side of the upper mold core 1 and the lower mold core 2, the herringbone runner 4 is arranged between the front side of the two ends of the mold cavity structure 5, the middle part forming boss 16 is arranged on the lower end surface of the upper mold core 1 and embedded in the middle part of the mold cavity structure 5, the groove boss 15 is arranged on the rear side of the middle part forming boss 16 and extends forward at the two ends, the rear part inner groove 8 is arranged on the rear part of the upper end surface of the lower mold core 2, and the rear part forming boss 9 is arranged on the rear part of the lower end surface of the upper mold core 1 and matched with the rear part inner groove 8.

[0021] In the technical scheme, the herringbone runner 4 is arranged to facilitate the rapid injection of aluminum liquid into the mold cavity structure 5, facilitate the rapid forming of the product, the middle part forming boss 16 is arranged to form a node of the runner, the groove boss 15 is arranged to facilitate the forming of the groove inside the runner plate, and the rear part forming boss 9 and the rear part inner groove 8 are arranged to facilitate the increase of the overall height of the runner plate and improve the base strength of the runner plate.

[0022] As a supplement to the technical solution, the left side of the cavity structure 5, the upper end face of the lower mold core 2 is provided with a left forming groove 6, and the left end of the upper mold core 1 is provided with a left forming boss 7 matched with the left forming groove 6. In the technical solution, the left forming groove 6 and the left forming boss 7 are used to increase the height of the left end of the product, and ensure the integrity of the product.

[0023] As a supplement to the technical solution, the bottom of the rear inner groove 8 is symmetrically provided with two positioning grooves 10, the middle of the positioning groove 10 is provided with a side exhaust node 12, the middle of the rear inner groove 8 is provided with a middle exhaust node 11, and the rear side of the side exhaust node 12 and the middle exhaust node 11 is provided with a rear extending exhaust shallow groove 13. In the technical solution, the two positioning grooves 10 are used to facilitate the arrangement position of the side exhaust node 12, and the exhaust shallow groove 13 is used to exhaust the internal air, so as to ensure the quality of the product.

[0024] As a supplement to the technical solution, the left end of the groove boss 15 is provided with a hole site forming column 17 extending downward, and the right end of the groove boss 15 is provided with a hole site node 20 extending downward. The hole site forming column 17 and the hole site node 20 are arranged to ensure that the hole site is formed at the end of the product.

[0025] As a supplement to the technical solution, the cavity structure 5 is provided with an end slag pocket structure 18 at both ends.

[0026] As a supplement to the technical solution, the upper end face of the lower mold core 2 is provided with two rear exhaust slag pockets 19 abutting the curved part of the groove boss 15. The end slag pocket structure 18 and the rear exhaust slag pocket 19 are arranged to facilitate air exhaust.

[0027] As a supplement to the technical solution, the middle of the upper mold core 1 is provided with a plug structure 14 inserted into the middle of the cavity structure 5.

[0028] Embodiment

[0029] The die casting mold core of the technical solution is mainly used for forming half of the flow channel plate. The whole flow channel plate is divided into two halves by the main flow channel, so that the mold core structure only produces half of the flow channel plate, and the main flow channel in the flow channel plate does not need to select a core pulling structure for auxiliary forming. The flow channel structure is mainly formed by the groove boss 15, and the hole site forming column 17 and the hole site node 20 are arranged to ensure that the butt joint of the flow channel plate is formed. The side exhaust node 12 and the middle exhaust node 11 on the mold core structure are used to facilitate air exhaust and improve the overall quality of the product.

Claims

1. A die casting core structure for a flow channel plate, characterized by: Including the upper mold core (1), the lower mold core (2) and the injection port (3), the upper mold core (1) and the lower mold core (2) are arranged in a top-down manner, and a mold cavity structure (5) is formed between the two, the injection port (3) is arranged between the front sides of the upper mold core (1) and the lower mold core (2), the injection port (3) and the front sides of both ends of the mold cavity structure (5) are provided with a herringbone runner (4), the middle of the lower end surface of the upper mold core (1) is provided with a middle forming boss (16) embedded in the middle of the mold cavity structure (5), the rear side of the middle forming boss (16) is provided with a groove protruding rib (15) which is curved and extends forward at both ends, the rear part of the upper end surface of the lower mold core (2) is provided with a rear inner groove (8), and the rear part of the lower end surface of the upper mold core (1) is provided with a rear forming boss (9) matched with the rear inner groove (8).

2. The die-casting mold core structure for a runner plate according to claim 1, characterized in that: The left side of the mold cavity structure (5) and the upper end surface of the lower mold core (2) are provided with a left forming groove (6), and the left side of the upper mold core (1) is provided with a left forming boss (7) matched with the left forming groove (6).

3. A die casting core structure for a flow channel plate according to claim 1, wherein: The bottom of the rear inner groove (8) is symmetrically provided with two positioning grooves (10), the middle of the positioning groove (10) is provided with a side exhaust node (12), the middle of the rear inner groove (8) is provided with a middle exhaust node (11), and the rear side of the side exhaust node (12) and the middle exhaust node (11) is provided with a rear extending exhaust shallow groove (13).

4. The die-casting mold core structure for runner plates according to claim 1, characterized in that: The left end of the groove protruding rib (15) is provided with a hole site forming column (17) extending downward, and the right end of the groove protruding rib (15) is provided with a hole site node (20) extending downward.

5. A die casting core structure for a flow channel plate according to claim 1, wherein: Both ends of the mold cavity structure (5) are provided with end slag structure (18).

6. A die casting core structure for a flow channel plate according to claim 1, wherein: The upper end surface of the lower mold core (2) is provided with two rear exhaust slag packs (19) which are abutted with the curved part of the groove protruding rib (15).

7. A die casting core structure for a flow channel plate according to claim 1, wherein: The middle of the upper mold core (1) is provided with a plug-in structure (14) inserted into the middle of the mold cavity structure (5).

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