Forging die device for wedge-shaped sealing pressing plate of wind driven generator

Abstract

The utility model provides a forging die device for a wedge-shaped sealing pressing plate of a wind driven generator, and belongs to the technical field of wind driven generators. Comprising an upper die assembly connected with an upper sliding block of a press machine and a lower die assembly connected with a lower working table top of the press machine. The lower die assembly comprises a lower die, a bent cavity and a finish forging cavity which are formed in the top face of the lower die, and a bridge part arranged on the edge of the finish forging cavity. Through the arrangement of the bending cavity, a blank with qualified heating temperature can be put into the bending cavity, and then the blank is bent through a press machine to prepare a bent blank; by arranging the finish forging cavity, a bent blank can be placed in the finish forging cavity, and then the blank is forged through a press machine to form a product; and by arranging the bridge part, metal can be prevented from leaking out in the forging process, and it is guaranteed that all parts of the finish forging cavity are full. According to the die forging die device, the forming allowance is small, raw material consumption and working hours needed by machining can be reduced to a great extent, and the requirement for large-batch production is met.

Description

Technical Field

[0001] The utility model relates to the technical field of wind turbine generators, in particular to a forging die device for a wedge-shaped sealing pressure plate of a wind turbine generator. Background Art

[0002] At present, the wedge-shaped sealing plate of wind turbines is often processed and formed by free forging. During forging, the staff first makes the material into the shape shown in the figure through a curved cavity based on experience, and then uses mechanical processing to meet the requirements of the drawing. This method leads to a lot of machining allowance during mechanical processing; it not only wastes a lot of raw materials, but also greatly increases the forging and machining manufacturing costs. In addition, this forging method can meet customer needs in the stage of sample and small batch production of dozens of pieces, but the cost is quite high and the efficiency is quite low, which is difficult to meet the market's mass demand. Utility Model Content

[0003] The purpose of the utility model is to overcome the deficiencies of the prior art and provide a forging die device for a wedge-shaped sealing pressure plate of a wind turbine generator, which adopts a die forging processing method, can reduce costs and mass production to meet the market's mass demand.

[0004] The purpose of this utility model is achieved through the following technical solutions:

[0005] A forging die device for a wedge-shaped sealing plate of a wind turbine generator comprises an upper die assembly connected to an upper slide block of a press, and a lower die assembly connected to a lower working table of the press; the lower die assembly comprises a lower die, a curved cavity and a final forging cavity arranged on the top surface of the lower die, and a bridge portion arranged on the edge of the final forging cavity.

[0006] In the above scheme, by setting up a curved cavity, a blank with qualified heating temperature can be placed therein, and then bent by a press to prepare a bent blank; by setting up a final forging cavity, the bent blank can be placed therein, and then forged by a press. During the forging process, the kinetic energy of the equipment and the fluidity of the high-temperature metal are fully utilized to squeeze the metal into various parts of the final forging cavity to form a product; by setting up a bridge part, the metal leakage can be blocked during the forging process to ensure that all parts of the final forging cavity are filled.

[0007] The utility model adopts a die forging die device for forming. Compared with the solution of free forging process in the prior art, the margin is very small, which can greatly reduce the consumption of raw materials and the processing time required for mechanical processing. At the same time, the utility model can meet customers' needs for large quantities of products, improve production efficiency and reduce production costs.

[0008] Preferably, the lower die assembly further comprises a lower pad arranged on the lower working table of the press and located below the lower die, and the lower pad and the lower die are fixed by a lower die pressing plate.

[0009] In the above scheme, by providing a lower die pressing plate, the lower die can be fixed on the lower pad, thereby improving the stability during the die forging operation.

[0010] Preferably, the upper die assembly further comprises an upper pad connected to an upper slide block of the press, and the upper pad and the upper die are fixed via an upper die pressing plate.

[0011] In the above scheme, by providing an upper die pressing plate, the upper die can be fixed on the upper pad, thereby improving the stability during the die forging operation.

[0012] Preferably, the top edge of the upper mold is provided with a plurality of convex locking buckles, and the bottom edge of the lower mold is provided with a plurality of concave locking buckles matched with the convex locking buckles.

[0013] In the above scheme, by providing a convex lock buckle and a concave lock buckle matched therewith, the upper die and the lower die can be fixed during die forging to achieve the purpose of firmly clamping the upper and lower dies.

[0014] Preferably, a burr bin is provided on the outer edge of the bridge portion.

[0015] In the above scheme, by setting up a burr bin, it is possible to accommodate excess metal in the die forging process.

[0016] Preferably, bolts are provided between the upper pad and the upper slide block of the press, and between the lower pad and the lower working table of the press.

[0017] In the above scheme, by setting bolts, the upper pad can be firmly fixed on the upper slide of the press, and the lower pad can be firmly fixed on the lower working table of the press, thereby improving the stability and firmness of the die forging operation.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] By setting up a curved cavity, a blank with qualified heating temperature can be placed therein, and then bent by a press to prepare a bent blank; by setting up a final forging cavity, a bent blank can be placed therein, and then forged by a press. During the forging process, the kinetic energy of the equipment and the fluidity of the high-temperature metal are fully utilized to squeeze the metal into various parts of the final forging cavity to form a product; by setting up a bridge part, the metal leakage can be blocked during the forging process to ensure that all parts of the final forging cavity are filled.

[0020] The utility model adopts a die forging die device for forming. Compared with the solution of free forging process in the prior art, the margin is very small, which can greatly reduce the consumption of raw materials and the processing time required for mechanical processing. At the same time, the utility model can meet customers' needs for large quantities of products, improve production efficiency and reduce production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic cross-sectional structure diagram of the utility model in the front view direction;

[0022] Figure 2 This is a schematic diagram of the structure of the lower mold in the utility model when viewed from above;

[0023] Figure 3 This is a schematic diagram of the working structure of the convex lock buckle and the concave lock buckle in the utility model when viewed from the front;

[0024] In the figure: 100-lower die, 110-curved cavity, 120-final forging cavity, 130-bridge, 140-lower pad, 150-lower die plate, 160-upper pad, 170-upper die, 180-convex lock buckle, 190-concave lock buckle, 200-burr bin, 210-bolt, 220-upper die plate. DETAILED DESCRIPTION

[0025] Below in conjunction with the attached Figures 1 to 3 , the technical solutions in the embodiments of the utility model are clearly and completely described, but the protection scope of the utility model is not limited to the following.

[0026] Example 1

[0027] A forging die device for a wedge-shaped sealing plate of a wind turbine generator, such as Figure 1 As shown, it includes an upper die assembly connected to the upper slide of the press, and a lower die assembly connected to the lower working table of the press; Figure 1 and Figure 2 As shown, the lower die assembly includes a lower die 100, a curved cavity 110 and a final forging cavity 120 disposed on the top surface of the lower die 100, and a bridge portion 130 disposed on the edge of the final forging cavity 120. Figure 1As shown, the lower die assembly also includes a lower pad 140 disposed on the lower work surface of the press and located below the lower die 100, and the lower pad 140 and the lower die 100 are fixed by a lower die pressing plate 150. Further, the upper die assembly also includes an upper pad 160 connected to the upper slider of the press, and the upper pad 160 and the upper die 170 are fixed by an upper die pressing plate 220. Among them, the upper slider of the press and the lower work surface of the press are both prior art, that is, in the die forging operation, a press is required, and the upper slider of the press and the lower work surface of the press are both parts of the press, and the working principle of the press is prior art, which will not be described in detail here.

[0028] Working principle: First start the press for trial operation, pay attention to whether the movement of each part is good, confirm the status of each part, preheat the mold, etc., put the heated temperature qualified blank into the mold bending cavity, and then quickly start the press to bend. After the bending is completed, use tools to quickly take out the bent blank and put it into the final forging cavity 120, and then start the press for forging. During the forging process, make full use of the kinetic energy of the equipment and the fluidity of the high-temperature metal to squeeze the metal into various parts of the final forging cavity 120 to form the product. In addition, during the forging process, it is also necessary to pay attention to observe whether the various parts of the final forging cavity 120 are full. Further, during the forging process, the bridge part 130 can prevent the metal from leaking out and ensure that the various parts of the final forging cavity 120 are full. After confirming that the various parts of the final forging cavity 120 are full, use tools to take out the product and put it into the trimming die to cut off the excess burrs. After the subsequent processes such as shot blasting, the product can be shipped after passing the inspection.

[0029] Further, on the basis of Example 1, Figure 1-3 As shown, the top edge of the upper die 170 is provided with a plurality of convex lock buckles 180, and the bottom surface of the lower die 100 is provided with a plurality of concave lock buckles 190 adapted to the convex lock buckles 180. By providing the convex lock buckles 180 and the concave lock buckles 190, the two dies can be locked during the closing process of the upper and lower dies, thereby improving the firmness of the two during forging and ensuring the smooth progress of the forging operation.

[0030] Further, on the basis of Example 1, Figure 1-2 As shown, a burr bin 200 is provided at the outer edge of the bridge portion 130. In this solution, the burr bin 200 is provided to accommodate the excess metal in the forging operation.

[0031] Further, on the basis of Example 1, bolts 210 are provided between the upper pad 160 and the upper slider of the press, and between the lower pad 140 and the lower working table of the press, and the bolts 210 are T-shaped bolts 210. By providing the bolts 210, the upper pad 160 can be firmly fixed on the upper slider of the press, and the lower pad 140 can be firmly fixed on the lower working table of the press, thereby improving the stability and firmness of the die forging operation.

[0032] In the description of this patent, it should be understood that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate the position or location relationship based on the attached Figure 1 The orientation or positional relationship shown is only for the convenience of describing this patent and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation of this patent.

[0033] The above are only preferred embodiments of the present invention. It should be understood that the present invention is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the present invention through the above teachings or the technology or knowledge in the relevant field. The changes and modifications made by those skilled in the art do not deviate from the spirit and scope of the present invention, and should be within the scope of protection of the claims attached to the present invention.

Claims

1. A forging die device for a wedge-shaped sealing plate of a wind turbine generator, comprising an upper die assembly connected to an upper slide of a press machine, and a lower die assembly connected to a lower working table of the press machine; characterized in that: The lower die assembly comprises a lower die (100), a curved cavity (110) and a final forging cavity (120) arranged on the top surface of the lower die (100), and a bridge portion (130) arranged on the edge of the final forging cavity (120).

2. A forging die device for a wedge-shaped sealing plate of a wind turbine generator according to claim 1, characterized in that: The lower die assembly further comprises a lower pad (140) arranged on the lower work surface of the press and located below the lower die (100); the lower pad (140) and the lower die (100) are fixed via a lower die pressing plate (150).

3. A forging die device for a wedge-shaped sealing plate of a wind turbine generator according to claim 2, characterized in that: The upper die assembly further comprises an upper pad (160) connected to an upper slide block of the press, and the upper pad (160) and the upper die (170) are fixed via an upper die pressing plate (220).

4. A forging die device for a wedge-shaped sealing plate of a wind turbine generator according to claim 3, characterized in that: The top edge of the upper mold (170) is provided with a plurality of convex locking buckles (180), and the bottom surface of the lower mold (100) is provided with a plurality of concave locking buckles (190) matched with the convex locking buckles (180).

5. A forging die device for a wedge-shaped sealing plate of a wind turbine generator according to claim 1, characterized in that: The outer edge of the bridge portion (130) is provided with a burr bin (200).

6. A forging die device for a wedge-shaped sealing plate of a wind turbine generator according to claim 3, characterized in that: Bolts (210) are provided between the upper pad (160) and the upper slide block of the press, and between the lower pad (140) and the lower working table of the press.

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