Forming structure of through-flow mold

Abstract

The forming structure of the cross-flow mold comprises a first mold core and a second mold core, a mold cavity used for forming a cross-flow fan blade is formed between the first mold core and the second mold core, and the first mold core and the second mold core are provided with coating structures corresponding to the mold cavity; the cavity comprises a forming groove which is formed in the first core and used for forming a base plate of the cross-flow fan blade, and a coating is arranged on the bottom wall of the forming groove. According to the cross-flow mold forming structure, the first mold core and the second mold core are provided with the coating structures corresponding to the mold cavities, the coating hardness is high, the surface hardness of the coated mold core rubber position is enhanced, the mold core rubber position is not prone to deformation, the coating can improve the structural strength of the mold core, the mold core is not prone to cracking, and the service life of the mold core is prolonged. According to the mold core, after the coating is added to the forming hole, used for forming the blade of the cross-flow fan blade, of the mold core, the part is easier to demold after a product is formed, the problem of clamping cannot occur, in addition, the purchasing and machining cost is reduced, the production efficiency is improved, and the manufacturing period is greatly shortened.

Description

Technical Field

[0001] The utility model relates to the technical field of molds, in particular to a molding structure of a through-flow mold. Background Art

[0002] The core of the crossflow fan mold is generally made of quenching materials such as 136 or 2344. The material cost is high, the processing is difficult, the processing cycle is long, and the hardness is not high enough. After the mold is used for a long time, the core glue position is easy to deform, the core strength is insufficient, and it is easy to crack. In addition, the part of the core used to form the blades of the crossflow fan is a deep hole. After the product is formed, this part is not easy to demold and is easy to get stuck. Therefore, the core of the above mold cannot meet market demand.

[0003] Therefore, further improvements are necessary. Utility Model Content

[0004] The purpose of the utility model is to provide a forming structure of a through-flow mold with simple structure, high strength, low cost, easy demoulding and strong practicality, so as to overcome the shortcomings of the prior art.

[0005] A molding structure of a through-flow mold designed for this purpose includes a first core and a second core, a cavity for molding a through-flow blade is formed between the first core and the second core, and a coating structure is provided on the first core and the second core corresponding to the cavity.

[0006] The mold cavity comprises a molding groove which is arranged on the first mold core and is used for molding the chassis of the cross-flow fan blade. A coating is arranged on the bottom wall of the molding groove.

[0007] The mold cavity further comprises a molding hole which is arranged on the first mold core and is used for molding the blades of the crossflow fan blade, and a coating is arranged on the hole wall of the molding hole.

[0008] The forming hole is annularly arranged around the forming groove, and the forming hole and the forming groove are communicated with each other. The coating on the bottom wall of the forming groove is connected to the coating on the hole wall of the forming hole as a whole.

[0009] A first molding protrusion for molding a blade slot of a cross-flow fan blade is provided in an annular manner on the second mold core, and a coating is provided on the surface of the first molding protrusion.

[0010] A second molding protrusion for molding a groove of the cross-flow fan blade is provided in an annular manner on the second mold core, and a coating is provided on the surface of the second molding protrusion.

[0011] The second core is provided with a molding surface for cooperating with a chassis for molding the crossflow fan blade, and the molding surface is provided with a coating.

[0012] The first molding protrusion and the second molding protrusion are spaced apart from each other, and the first molding protrusion and the second molding protrusion are respectively located on the periphery of the molding surface.

[0013] The coating material is cemented carbide.

[0014] The through-flow mold forming structure of the utility model is provided with a coating structure on the first core and the second core corresponding to the cavity. The coating has a high hardness. The surface hardness of the core glue position after coating is enhanced and not easy to deform. Moreover, the coating can improve the structural strength of the core, making the core not easy to crack. After the forming holes of the core used to form the blades of the through-flow fan blades are coated, this part is easier to demold after the product is formed, and there will be no problem of getting stuck. In addition, the core after coating reduces procurement and processing costs, improves production efficiency, greatly shortens the production cycle, and perfectly meets market demand. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the assembly structure of the first core and the second core in one embodiment of the present utility model.

[0016] Figure 2 This is a schematic diagram of the overall structure of the first core in one embodiment of the present invention.

[0017] Figure 3 This is a schematic diagram of the overall structure of the second core in one embodiment of the present invention.

[0018] Figure 4 Schematic diagram of the overall structure of the crossflow fan blade in one embodiment of the present invention.

[0019] Figure 5 This is a schematic diagram of the overall structure of the cross-flow fan blade in another aspect of an embodiment of the present invention.

[0020] Figure 6 This is a structural diagram of a portion of a mold in one embodiment of the present invention.

[0021] Figure 7 This is a structural diagram of another part of the mold in one embodiment of the present utility model. DETAILED DESCRIPTION

[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0023] See also Figure 1-Figure 7 The molding structure of the cross-flow mold includes a first core 1 and a second core 2. A cavity for molding the cross-flow blade 3 is formed between the first core 1 and the second core 2. The first core 1 is equivalent to a concave mold, and the second core 2 is equivalent to a punch. A coating structure is provided on the first core 1 and the second core 2 corresponding to the cavity. After adding the coating structure, the strength of the internal steel of the core does not change.

[0024] The mold cavity includes a molding groove 5 provided on the first mold core 1 and used for molding the chassis 4 of the crossflow fan blade 3 , and a coating is provided on the bottom wall of the molding groove 5 .

[0025] The mold cavity also includes a molding hole 7 arranged on the first core 1 and used to mold the blades 6 of the crossflow fan blade 3. A coating is provided on the hole wall of the molding hole 7. The depth of the molding hole 7 is relatively deep. The coating is provided on the hole wall of the molding hole 7, so that the blades 6 of the molded product are easier to demold.

[0026] The forming hole 7 is annularly arranged around the forming groove 5, and the forming hole 7 is connected to the forming groove 5. The coating on the bottom wall of the forming groove 5 is integrated with the coating on the hole wall of the forming hole 7, which greatly improves the surface hardness and structural strength of the first core 1.

[0027] A first molding protrusion 9 for molding the blade slot 8 of the crossflow blade 3 is provided in an annular manner on the second core 2 , and a coating is provided on the surface of the first molding protrusion 9 .

[0028] A second molding protrusion 10 for molding a groove 12 of the crossflow blade 3 is provided in an annular manner on the second mold core 2 , and a coating is provided on the surface of the second molding protrusion 10 .

[0029] The second core 2 is provided with a molding surface 11 for cooperating with the chassis 4 of the crossflow blade 3 , and the molding surface 11 is provided with a coating.

[0030] The coating on the surface of the first molding protrusion 9 , the coating on the surface of the second molding protrusion 10 and the coating on the molding surface 11 greatly improves the surface hardness and structural strength of the glue position of the second core 2 .

[0031] The first molding protrusion 9 and the second molding protrusion 10 are spaced apart from each other, that is, the blade slot 8 and the groove 12 are spaced apart from each other, and the first molding protrusion 9 and the second molding protrusion 10 are respectively located on the outer periphery of the molding surface 11 .

[0032] The coating material is cemented carbide, and the coating serves as the surface of the core, and its hardness is 52 to 56 degrees. The first core 1 and the second core 2 are made of steel material (quenching material), and their overall hardness is 48 to 52 degrees.

[0033] The above is a preferred embodiment of the present invention, which illustrates and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A molding structure of a through-flow die, characterized in that: The invention comprises a first core (1) and a second core (2), wherein a cavity for forming a crossflow fan blade (3) is formed between the first core (1) and the second core (2), and a coating structure is provided on the first core (1) and the second core (2) corresponding to the cavity.

2. The forming structure of the through-flow die according to claim 1, characterized in that: The mold cavity comprises a molding groove (5) provided on the first mold core (1) and used for molding a chassis (4) of a crossflow fan blade (3); a coating is provided on the bottom wall of the molding groove (5).

3. The forming structure of the through-flow die according to claim 2, characterized in that: The mold cavity further comprises a molding hole (7) provided on the first mold core (1) and used for molding the blades (6) of the crossflow fan blade (3); a coating is provided on the hole wall of the molding hole (7).

4. The forming structure of the through-flow die according to claim 3, characterized in that: The forming hole (7) is annularly arranged around the forming groove (5), and the forming hole (7) and the forming groove (5) are communicated with each other, and the coating on the bottom wall of the forming groove (5) and the coating on the hole wall of the forming hole (7) are connected as a whole.

5. The forming structure of the through-flow die according to claim 4, characterized in that: A first molding protrusion (9) for molding a blade slot (8) of a cross-flow fan blade (3) is provided in an annular manner on the second mold core (2), and a coating is provided on the surface of the first molding protrusion (9).

6. The forming structure of the through-flow die according to claim 5, characterized in that: A second molding protrusion (10) for molding a groove (12) for forming a cross-flow fan blade (3) is provided in an annular manner on the second mold core (2), and a coating is provided on the surface of the second molding protrusion (10).

7. The forming structure of the through-flow die according to claim 6, characterized in that: The second core (2) is provided with a molding surface (11) for cooperating with the chassis (4) for molding the crossflow blades (3), and a coating is provided on the molding surface (11).

8. The forming structure of the through-flow die according to claim 7, characterized in that: The first molding protrusion (9) and the second molding protrusion (10) are arranged at intervals from each other, and the first molding protrusion (9) and the second molding protrusion (10) are respectively located on the periphery of the molding surface (11).

9. The forming structure of the through-flow die according to claim 8, characterized in that: The coating material is cemented carbide.

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