Forging die for planetary plate

Abstract

The utility model discloses a forging die for a planetary plate, which comprises an upper die set and a lower die set, and further comprises a preforming die set, a forming die set and a punching die set which are sequentially arranged between the upper die set and the lower die set, the pre-forming module comprises an upper pre-forming group connected with the upper module and a lower pre-forming group connected with the lower module, and the planetary plate is pre-formed between the upper pre-forming group and the lower pre-forming group; the forming module comprises an upper forming group connected with the upper module and a lower forming group connected with the lower module, and the planetary plate is integrally formed between the upper forming group and the lower forming group; the punching module comprises an upper punching set connected with the upper module and a lower punching set connected with the lower module, and the planetary plate is formed between the upper punching set and the lower punching set in a punching mode. According to the utility model, the aluminum alloy planetary plate can be quickly forged, punched and formed, and the production efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of forging die technology, specifically to a forging die for a planetary disk. Background Technology

[0002] Aluminum alloy planetary disks are mechanical transmission components made of aluminum alloy materials. Currently, they are mostly made by casting. However, due to process issues, porosity may occur, resulting in a certain probability of defects. Subsequent processing cannot completely improve this. If conventional multi-mold forging is used, there are problems with slow manufacturing efficiency and relatively high costs, making it difficult to meet current production needs. Utility Model Content

[0003] This invention aims to overcome the shortcomings of existing technologies by providing a high-efficiency forging die for planetary disks.

[0004] The present invention solves the technical problem by adopting the following technical solution: a forging die for a planetary disk, comprising an upper die assembly and a lower die assembly, and further comprising a preforming die assembly, a forming die assembly, and a punching die assembly arranged sequentially between the upper die assembly and the lower die assembly;

[0005] The preforming module includes an upper preforming group connected to the upper module and a lower preforming group connected to the lower module, and the planetary disk is preformed between the upper preforming group and the lower preforming group;

[0006] The molding module includes an upper molding group connected to an upper module and a lower molding group connected to a lower module, and the planetary disk is completely formed between the upper molding group and the lower molding group;

[0007] The punching module includes an upper punching group connected to the upper module and a lower punching group connected to the lower module, and the planetary disk is punched and formed between the upper punching group and the lower punching group.

[0008] In several embodiments, the upper mold assembly includes an upper mold base and an upper mold plate arranged in sequence, the upper mold plate being connected to an upper preforming group, an upper forming group, and an upper punching group; the lower mold assembly includes a lower mold plate and a lower mold base arranged in sequence, the lower mold plate being connected to a lower preforming group, a lower forming group, and a lower punching group.

[0009] In several embodiments, the upper preform assembly includes a first upper bearing plate, a first upper punch holder, and a first upper punch arranged sequentially. A first upper pressure ring is arranged below the first upper bearing plate and is located outside the first upper punch holder. The lower preform assembly includes a first lower die sleeve, a first lower pressure plate, a second lower pressure plate, and a third lower pressure plate arranged sequentially. A first die core is arranged inside the first lower die sleeve. A first lower pressure ring is arranged outside the first lower die sleeve. A first lower fixing plate is arranged outside the first lower pressure plate. A first lower fixing seat is arranged below the first lower fixing plate. The first lower fixing seat is connected to the third lower pressure plate and is located outside the second lower pressure plate.

[0010] In several embodiments, the upper forming assembly includes a second upper bearing plate and a second upper punch arranged in sequence, a second pressure ring disposed below the second upper bearing plate, and the second pressure ring disposed outside the second upper punch; the lower forming assembly includes a second mold core, a first pressure plate, a second pressure plate and a third pressure plate arranged in sequence, a reinforcing ring disposed outside the second mold core, a second lower pressure ring disposed outside the reinforcing ring, a second lower fixing plate disposed outside the first pressure plate, and a second lower fixing seat disposed outside the second pressure plate.

[0011] In several embodiments, the upper punching assembly includes an upper pad, an upper support, an upper punch ring, an upper float plate, and an upper push plate arranged in sequence. A third upper punch is disposed inside the upper punch ring, and the third upper punch passes through the upper float plate and the upper push plate. The lower punching assembly includes a lower support plate, a second lower die sleeve, and a lower pad arranged in sequence. A lower support is disposed inside the second lower die sleeve, and a lower die body is disposed on the lower support. The lower die body extends into the lower support plate and is partially exposed. The lower die body has a through hole for the third upper punch to pass through.

[0012] In several embodiments, a pin and a height-equalizing bolt are provided between the upper bearing and the upper floating plate.

[0013] The beneficial effects of this utility model are as follows:

[0014] This invention enables continuous production of preforming, forming, and die-cutting processes, greatly improving processing efficiency. At the same time, it improves the processing quality of the planetary disk made of aluminum alloy through forging, ensuring product precision. Attached Figure Description

[0015] The accompanying drawings described herein are for illustrative purposes only and do not represent all possible implementations, nor should they be considered as limiting the scope of this invention.

[0016] Figure 1 This is a schematic diagram of the structure of the pre-forming module combined with the upper and lower modules in the forging die for the planetary disk in Example 1;

[0017] Figure 2 This is a schematic diagram of the structure of the molding module combined with the upper and lower modules in Example 1;

[0018] Figure 3 This is a schematic diagram of the punching module in Example 1. Detailed Implementation

[0019] The embodiments of the present utility model will now be described in detail with reference to the accompanying drawings. To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some embodiments of the present utility model, but not all embodiments.

[0020] Therefore, the following detailed description of the embodiments of the present invention provided in conjunction with the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0021] Example 1

[0022] like Figures 1-3 As shown, the forging die for the planetary disk in this embodiment is mainly composed of an upper die group and a lower die group, a preforming die group, a forming die group, and a punching die group arranged sequentially between the upper die group and the lower die group. The preforming die group includes an upper preforming group connected to the upper die group and a lower preforming group connected to the lower die group. The planetary disk is preformed between the upper preforming group and the lower preforming group. The forming die group includes an upper forming group connected to the upper die group and a lower forming group connected to the lower die group. The planetary disk is fully formed between the upper forming group and the lower forming group. The punching die group includes an upper punching group connected to the upper die group and a lower punching group connected to the lower die group. The planetary disk is punched and formed between the upper punching group and the lower punching group. After sandblasting and heat treatment in a mesh belt furnace, it is formed.

[0023] The upper mold assembly includes an upper mold base 11 and an upper template 12 arranged in sequence. The upper template 12 is connected to the upper preforming group, the upper forming group, and the upper punching group. The lower mold assembly includes a lower template 21 and a lower mold base 22 arranged in sequence. The lower template 21 is connected to the lower preforming group, the lower forming group, and the lower punching group.

[0024] The upper preform assembly includes a first upper support plate 111, a first upper punch support 112, and a first upper punch 113 arranged in sequence. A first upper pressure ring 114 is arranged below the first upper support plate 111 and is located outside the first upper punch support 112. The first upper support plate 111 is connected to the upper template 12.

[0025] The lower preform assembly includes a first lower die sleeve 121, a first lower pressure plate 122, a second lower pressure plate 123, and a third lower pressure plate 124 arranged sequentially. A first die core 125 is provided inside the first lower die sleeve 121. A first lower pressure ring 126 is provided on the outside of the first lower die sleeve 121. A first lower fixing plate 127 is provided on the outside of the first lower pressure plate 122. A first lower fixing seat 128 is provided below the first lower fixing plate 127. The first lower fixing seat 128 is connected to the third lower pressure plate 124 and is located on the outside of the second lower pressure plate 123. The position of the first upper punch 113 corresponds to the position of the first die core 125. The part is inserted for stamping preform between the first upper punch 113, the first die core 125, and the first lower die sleeve 121.

[0026] The upper forming assembly includes a second upper bearing plate 211 and a second upper punch 212 arranged sequentially. A second pressure ring 213 is arranged below the second upper bearing plate 211 and is located outside the second upper punch 212.

[0027] The lower forming assembly includes a second mold core 221, a first pressure plate 222, a second pressure plate 223, and a third pressure plate 224 arranged sequentially. A reinforcing ring 225 is provided on the outside of the second mold core 221, and a second lower pressure ring 226 is provided on the outside of the reinforcing ring 225. A second lower fixing plate 227 is provided on the outside of the first pressure plate 222, and a second lower fixing seat 228 is provided on the outside of the second pressure plate 223. A second upper punch 212 is positioned corresponding to the second mold core 221, and a pre-formed part is inserted between the two for stamping.

[0028] The upper punching assembly includes an upper pad plate 311, an upper support 312, an upper punch ring 313, an upper float plate 314, and an upper pusher plate 315 arranged in sequence. A third upper punch 316 is provided inside the upper punch ring 313. The third upper punch 316 passes through the upper float plate 314 and the upper pusher plate 315. The upper pad plate 311 is connected to the upper template 12.

[0029] The lower punching assembly includes a lower support plate 321, a second lower die sleeve 322, and a lower pad plate 323 arranged sequentially. A lower support seat 324 is provided inside the second lower die sleeve 322. A lower die body 325 is provided on the lower support seat 324. The lower die body 325 extends into the lower support plate 321 and is partially exposed. The lower die body 325 has a through hole for a third upper punch 316 to pass through. The lower support plate 321 is connected to the lower template 21. The formed part is punched by the cooperation of the lower die body 325 and the upper punch 316.

[0030] It should be noted that the upper bearing 312 and the upper floating plate 314 are conventionally provided with a pin 33 and an equalizing bolt 34, as well as connecting parts between other components such as bolts, springs, and nitrogen springs. These are conventional structures in the field and will not be further described here.

[0031] All descriptions herein may be presented in any suitable order. Any and all instances used, or exemplary language provided herein (such as "for example"), are merely for the purpose of better illustrating the invention and are not intended to limit the scope of the invention, except as provided in the claims. The language used in the detailed description should not be construed as indicating any essential elements for practicing the invention beyond the claims.

[0032] This invention includes all improvements encompassed by the spirit and scope of the invention as defined in the claims. Furthermore, unless otherwise stated or there is a clear contradiction in the content, this invention includes any of the foregoing elements and all possible variations thereof.

Claims

1. A forged die for a planetary disk comprising an upper die set and a lower die set, characterized by, The preforming module, the forming module and the punching module are sequentially arranged between the upper die set and the lower die set; The preforming module comprises an upper preforming set connected with the upper die set and a lower preforming set connected with the lower die set, and the planetary disc is preformed between the upper preforming set and the lower preforming set; The forming module comprises an upper forming set connected with the upper die set and a lower forming set connected with the lower die set, and the planetary disc is completely formed between the upper forming set and the lower forming set; The punching module comprises an upper punching set connected with the upper die set and a lower punching set connected with the lower die set, and the planetary disc is punched and formed between the upper punching set and the lower punching set.

2. The forging die for a planetary gear according to claim 1, wherein The upper die set comprises an upper die seat (11) and an upper die plate (12) arranged sequentially, the upper die plate (12) is connected with the upper preforming set, the upper forming set and the upper punching set, and the lower die set comprises a lower die plate (21) and a lower die seat (22) arranged sequentially, the lower die plate (21) is connected with the lower preforming set, the lower forming set and the lower punching set.

3. The forging die for a planetary gear according to claim 2, wherein The upper preforming set comprises a first upper bearing plate (111), a first upper punch holder seat (112) and a first upper punch (113) arranged sequentially, a first upper pressing ring (114) is arranged below the first upper bearing plate (111), and the first upper pressing ring (114) is arranged outside the first upper punch holder seat (112); The lower preforming set comprises a first lower die sleeve (121), a first lower pressing plate (122), a second lower pressing plate (123) and a third lower pressing plate (124) arranged sequentially, a first die core (125) is arranged in the first lower die sleeve (121), a first lower pressing ring (126) is arranged outside the first lower die sleeve (121), a first lower fixing plate (127) is arranged outside the first lower pressing plate (122), a first lower fixing seat (128) is arranged below the first lower fixing plate (127), and the first lower fixing seat (128) is connected with the third lower pressing plate (124) and located outside the second lower pressing plate (123).

4. The forging die for a planetary gear according to claim 2, wherein The upper forming set comprises a second upper bearing plate (211) and a second upper punch (212) arranged sequentially, a second pressing ring (213) is arranged below the second upper bearing plate (211), and the second pressing ring (213) is arranged outside the second upper punch (212); The lower forming set comprises a second die core (221), a first pressing plate (222), a second pressing plate (223) and a third pressing plate (224) arranged sequentially, a reinforcing ring (225) is arranged outside the second die core (221), a second lower pressing ring (226) is arranged outside the reinforcing ring (225), a second lower fixing plate (227) is arranged outside the first pressing plate (222), and a second lower fixing seat (228) is arranged outside the second pressing plate (223).

5. The forging die for a planetary gear according to claim 2, wherein The upper punching and cutting group comprises, in sequence, an upper base plate (311), an upper support (312), an upper ring sleeve (313), an upper floating plate (314) and an upper pushing plate (315), the upper ring sleeve (313) is provided with a third upper punch (316) therein, the third upper punch (316) penetrates through the upper floating plate (314) and the upper pushing plate (315); The lower punching and cutting group comprises, in sequence, a lower base plate (321), a second lower mold sleeve (322) and a lower base plate (323), the second lower mold sleeve (322) is provided with a lower support (324) therein, the lower support (324) is provided with a lower mold body (325) thereon, the lower mold body (325) extends into the lower base plate (321) and is partially exposed, and the lower mold body (325) has a through hole for the third upper punch (316) to penetrate.

6. The forging die for a planetary gear set according to claim 5, wherein A thimble (33) and an equal-height bolt (34) are arranged between the upper support (312) and the upper floating plate (314).

Images