CN110899513A - Stamping die and stamping method for top cover of air conditioner outdoor unit - Google Patents
Stamping die and stamping method for top cover of air conditioner outdoor unit Download PDFInfo
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- CN110899513A CN110899513A CN201911333676.1A CN201911333676A CN110899513A CN 110899513 A CN110899513 A CN 110899513A CN 201911333676 A CN201911333676 A CN 201911333676A CN 110899513 A CN110899513 A CN 110899513A
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- China
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- die
- forming mechanism
- stamping
- air conditioner
- top cover
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/20—Deep-drawing
Abstract
The invention discloses a stamping die and a stamping method for a top cover of an air conditioner outdoor unit, wherein the stamping die comprises a lower die and an upper die matched with the lower die for use, the lower die comprises a lower die seat, a male die fixed on the lower die seat, an auxiliary forming mechanism arranged on the periphery of the male die and a flanging mechanism sleeved on the auxiliary forming mechanism, the auxiliary forming mechanism is connected with a lifting unit, the flanging mechanism is connected with a lifting assembly, the top surface of the flanging mechanism is higher than that of the auxiliary forming mechanism, and the top surface of the auxiliary forming mechanism is higher than that of the male die. The stamping die provided by the invention can solve the quality problem of stretching and wrinkling of sheet metal top cover products, can simultaneously complete a plurality of working procedures, and each working procedure is independent and does not interfere with each other, so that the production precision is improved, the service life is prolonged, the forming force of the die can be reduced, and the cost investment of punching equipment is reduced.
Description
Technical Field
The invention relates to a stamping die, in particular to a stamping die and a stamping method for a top cover of an air conditioner outdoor unit.
Background
In the air conditioning industry at present, a top cover sheet metal part used by an air conditioner outdoor unit is produced by using a one-step stretch forming die, and the traditional one-step stretch forming method has the following defects: after the sheet metal part is subjected to one-time blanking and stretching by a die, the abnormal stretching and wrinkling of the product is easy to occur, and the appearance quality of the product is not controllable; the die designed according to the traditional sheet metal top cover product one-time stretch forming method has the advantages that the die needs large compression strength every time, the die needs large punch tonnage in production, the production cost is improved, and the product quality is difficult to control.
Disclosure of Invention
The invention aims to provide a stamping die and a stamping method for a top cover of an air conditioner outdoor unit, which aim to solve the technical problems in the background art.
In order to achieve the purpose, the specific technical scheme of the stamping die and the stamping method for the top cover of the air conditioner outdoor unit is as follows:
the utility model provides a stamping die of outer quick-witted top cap of air conditioner, includes the lower mould and the last mould that uses with the lower mould cooperation, and the lower mould includes the die holder, fixes terrace die on the die holder, the peripheral vice forming mechanism who sets up of terrace die and overlaps the turn-ups mechanism of establishing on vice forming mechanism, and vice forming mechanism is connected with the lift unit, and turn-ups mechanism is connected with lifting unit, and the top surface of turn-ups mechanism is higher than the top surface of vice forming mechanism, and the top surface of vice forming mechanism is higher than the top surface of terrace die.
Further, in the initial state, the top surface of the auxiliary forming mechanism is 2-3mm higher than that of the male die, and the top surface of the flanging forming mechanism is 4-6mm higher than that of the auxiliary forming mechanism.
Further, the male die comprises a plurality of strip-shaped block structures, mounting holes are formed in the male die, the male die is fixed on the lower die holder through bolts, and strip-shaped holes for accommodating the male die are formed in the auxiliary forming mechanism.
Further, stamping die is still including the limit structure who is used for restricting vice forming mechanism lifting range, and limit structure is including setting up the spacing draw-in groove in the terrace die bottom surface, and the bar downthehole spacing fixture block that uses with spacing draw-in groove cooperation that sets up, and the degree of depth of spacing draw-in groove is greater than the thickness of spacing fixture block.
Furthermore, limit structure still includes the second backing plate that sets up below vice forming mechanism and terrace die, and the second backing plate is fixed on the die holder, sets up the through-hole that holds the second elastic component on the second backing plate.
Furthermore, the lifting unit comprises a plurality of second elastic pieces, the second elastic pieces are nitrogen springs, the bottom ends of the nitrogen springs are fixed on the lower die base, and the top ends of the nitrogen springs are in contact with the bottom surface of the auxiliary forming mechanism.
Furthermore, a plurality of nitrogen springs are evenly distributed on the bottom surface of the auxiliary forming mechanism, and the nitrogen springs are arranged on the lower die holder below the limiting fixture block.
Furthermore, the flanging mechanism is a hollow frame, the flanging mechanism is sleeved on the auxiliary forming mechanism, the second base plate is arranged on the inner side of the flanging mechanism, the first base plate is arranged below the second base plate, and the first base plate is fixed on the lower die base.
Furthermore, the lifting assembly comprises a plurality of first elastic pieces, the first elastic pieces are arranged on the periphery of the second base plate, the first elastic pieces are springs, the bottom ends of the springs are fixed on the lower die base, and the top ends of the springs penetrate through limiting holes in the first base plate to be in contact with the bottom surface of the flanging mechanism.
Furthermore, the side wall of the flanging mechanism is provided with a limiting groove, the side wall of the second base plate opposite to the limiting groove is provided with a guide groove, and the lower die holder is provided with a limiting block matched with the limiting groove.
A stamping method for a top cover of an air conditioner outdoor unit mainly comprises the following steps:
mold fixing step S1: the upper die is fixed on the upper table surface of the punch, the lower die is fixed on the lower table surface of the punch, and the sheet metal material is placed into the die;
press forming step S2: the upper die moves downwards, and the upper die is sequentially contacted with the flanging mechanism, the auxiliary forming mechanism and the male die and compresses the sheet metal material to complete the stamping process;
a mold release step S3: after the stretching forming is finished, the upper die moves upwards, the flanging mechanism and the auxiliary forming mechanism move upwards under the action of the lifting assembly and the lifting unit, the auxiliary forming mechanism firstly returns to the initial state, the flanging mechanism continues to move upwards, and the sheet metal part which is punched is pushed out from the auxiliary forming mechanism and the male die.
The stamping die and the stamping method for the top cover of the air conditioner outdoor unit have the following advantages:
firstly, the stamping method provided by the invention provides a three-stage stretch forming method, and the quality problem of stretch wrinkling of the air conditioner metal plate top cover is perfectly solved through the forming process of three stages of the metal plate part.
Secondly, the stamping die comprises a male die, an auxiliary forming mechanism and a flanging mechanism, wherein the male die is fixedly arranged and used for main forming of ribs, the auxiliary forming mechanism and the flanging mechanism are arranged in a floating mode and used for auxiliary forming of molded surfaces and flanging forming respectively, the three-stage forming die structure can perfectly realize three-stage forming of top cover products, and the traditional air conditioner top cover die structure is overturned.
Finally, the stamping die disclosed by the invention can solve the quality problem of sheet metal top cover product stretching and wrinkling, can simultaneously complete a plurality of working procedures, and each working procedure is independent and does not interfere with each other, so that the production precision is improved, the service life is prolonged, the die forming force can be reduced, and the cost input of punching equipment is reduced.
Drawings
FIG. 1 is a schematic structural view of a stamping die according to the present invention;
FIG. 2 is a schematic structural view of the male die of the present invention assembled with a second backing plate;
FIG. 3 is a top view of FIG. 2;
FIG. 4 is a schematic structural view of the sub-molding mechanism of the present invention assembled with the first pad plate;
fig. 5 is a top view of fig. 4.
The reference numbers in the figures illustrate: 1. a lower die holder; 11. a limiting block; 12. a lower cushion block; 2. a male die; 21. a limiting clamping groove; 3. a secondary forming mechanism; 31. a strip-shaped hole; 32. a limiting clamping block; 4. a flanging mechanism; 41. a limiting groove; 42. a limiting column; 5. a first backing plate; 51. a guide groove; 52. a limiting hole; 6. a second backing plate; 7. a first elastic member; 8. a second elastic member.
Detailed Description
In order to better understand the purpose, structure and function of the present invention, a stamping die and a stamping method for a top cover of an outdoor unit of an air conditioner will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1, the stamping die for the top cover of the outdoor unit of the air conditioner comprises a lower die and an upper die matched with the lower die for use, wherein the lower die comprises a lower die base 1, a male die 2 fixed on the lower die base 1, an auxiliary forming mechanism 3 arranged on the periphery of the male die 2, and a flanging mechanism 4 sleeved on the auxiliary forming mechanism 3, the auxiliary forming mechanism 3 is connected with a lifting unit, the flanging mechanism 4 is connected with a lifting assembly, the flanging mechanism 4 is higher than the auxiliary forming mechanism 3, and the auxiliary forming mechanism 3 is higher than the male die 2.
When the punching machine works, the upper die is fixed on the upper table top of the punching machine, the lower die is fixed on the lower table top of the punching machine, a sheet metal material is placed into the die, the upper die descends along with the upper table top of the punching machine, the upper die is firstly contacted with the flanging mechanism 4, the upper die descends along with the upper table top, the sheet metal material is tightly pressed by the upper die and the flanging mechanism 4, the height of the upper die is slowly reduced in a descending mode, the upper die is continuously contacted with the auxiliary forming mechanism 3 along with the descending of the upper die and the flanging mechanism 4, the auxiliary forming mechanism 3 descends to enable the male die 2 to be completely exposed, and the male die 2 is contacted with the upper die to enable.
After stretch forming finishes, go up the mould along with the last mesa upward movement of punch press, flanging mechanism 4 and vice forming mechanism 3 rebound under lifting unit and the drive power effect of lift unit, vice forming mechanism 3 is at first got back to initial condition, flanging mechanism 4 continues to go upward, thereby release the sheet metal component that the punching press was accomplished from vice forming mechanism 3 and terrace die 2, effectively prevent the card material, the phenomenon that can't take out, this stamping die can once accomplish the tensile working process of punching press, work efficiency is greatly promoted, the quality problems that the drawing of solution panel beating top cap product corrugates, simultaneously can reduce the shaping power of mould, the cost input of reduction punch press equipment.
In an initial state, the top surface of the auxiliary forming mechanism 3 is 2-3mm higher than the top surface of the male die 2, and the top surface of the flanging forming mechanism is 4-6mm higher than the top surface of the auxiliary forming mechanism 3. Preferably, the top surface of the secondary forming mechanism 3 is 2mm higher than the top surface of the male die 2, and the top surface of the flanging forming mechanism is 5mm higher than the top surface of the secondary forming mechanism 3.
As shown in fig. 2-3, the male die 2 includes a plurality of strip-shaped block structures, and the male die 2 is provided with a mounting hole, and the male die 2 is fixed on the lower die holder 1 by a bolt.
The appearance of the auxiliary forming mechanism 3 is rectangular, chamfers are arranged at four corners of the auxiliary forming mechanism, the strip-shaped holes 31 for accommodating the male dies 2 are formed in the auxiliary forming mechanism 3, and the auxiliary forming mechanism 3 can move up and down relative to the male dies 2 under the action of the upper dies.
Stamping die is still including the limit structure who is used for restricting vice forming mechanism 3 lifting range, and limit structure is including setting up the spacing draw-in groove 21 in 2 bottom surfaces of terrace die, sets up the spacing fixture block 32 that uses with spacing draw-in groove 21 cooperation in the bar hole 31, and the degree of depth of spacing draw-in groove 21 is greater than the thickness of spacing fixture block 32, and spacing fixture block 32 can be in spacing draw-in groove 21 translation from top to bottom, and the initial height of vice forming mechanism 3 is injectd to spacing draw-in groove 21.
The limiting structure further comprises a second base plate 6 arranged below the auxiliary forming mechanism 3 and the male die 2, the second base plate 6 is fixed on the lower die base 1, and a through hole for accommodating a second elastic piece 8 is formed in the second base plate 6.
The lifting unit comprises a plurality of second elastic pieces 8, the second elastic pieces 8 are nitrogen springs, the bottom ends of the nitrogen springs are fixed on the lower die base 1, and the top ends of the nitrogen springs are in contact with the bottom surface of the auxiliary forming mechanism 3.
As shown in fig. 4-5, a plurality of nitrogen springs are uniformly arranged on the bottom surface of the secondary forming mechanism 3, and the nitrogen springs are also arranged on the lower die holder 1 below the limiting fixture block 32. And a plurality of nitrogen springs are arranged, so that the stress of the auxiliary forming mechanism 3 is uniform, and the stamping forming precision is effectively controlled.
The flanging mechanism 4 is a hollow frame, the flanging mechanism 4 is sleeved on the auxiliary forming mechanism 3, and the second base plate 6 is arranged on the inner side of the flanging mechanism 4. A first base plate 5 is arranged below the second base plate 6, and the first base plate 5 is fixed on the lower die base 1. The first base plate 5 limits the descending height of the flanging mechanism 4.
The lifting assembly comprises a plurality of first elastic pieces 7, the plurality of first elastic pieces 7 are arranged on the periphery of the second base plate 6, the first elastic pieces 7 are springs, the bottom ends of the springs are fixed on the lower die base 1, and the top ends of the springs penetrate through the limiting holes 52 in the first base plate 5 to be in contact with the bottom surface of the flanging mechanism 4.
The side wall of the flanging mechanism 4 is provided with a limiting groove 41, the side wall of the second cushion plate 6 opposite to the limiting groove 41 is provided with a guide groove 51, and the lower die holder 1 is provided with a limiting block 11 matched with the limiting groove 41.
The bottom surface of the lower die base 1 is provided with a lower cushion block 12, and when the lower die is carried by a forklift, the lower cushion block 12 is used for limiting the insertion position of the forklift.
The invention also provides a stamping method of the top cover of the air conditioner outdoor unit, which mainly comprises the following steps:
mold fixing step S1: the upper die is fixed on the upper table surface of the punch, the lower die is fixed on the lower table surface of the punch, and the sheet metal material is placed into the die;
press forming step S2: the upper die moves downwards, and the upper die is sequentially contacted with the flanging mechanism 4, the auxiliary forming mechanism 3 and the male die 2 and compresses the sheet metal material to complete the stamping process;
a mold release step S3: after the stretching forming is finished, the upper die moves upwards, the flanging mechanism 4 and the auxiliary forming mechanism 3 move upwards under the action of the lifting assembly and the lifting unit, the auxiliary forming mechanism 3 firstly returns to the initial state, the flanging mechanism 4 continues to move upwards, and the sheet metal part which is punched is pushed out from the auxiliary forming mechanism 3 and the male die 2.
The stamping method provides a three-stage stretch forming method, and the quality problem of stretch wrinkling of the metal plate top cover of the air conditioner is perfectly solved through the forming process of three stages of the metal plate. This stamping die includes terrace die 2, vice forming mechanism 3 and flanging mechanism 4, and terrace die 2 is fixed to be set up for rib owner shaping, and vice forming mechanism 3 and flanging mechanism 4 all float the setting, are used for vice shaping of profile and flanging molding respectively, and tertiary forming die structure can perfectly realize the tertiary shaping of top cap product, has overturned traditional air conditioner top cap mould structure. Stamping die can solve the tensile quality problem that corrugates of panel beating top cap product, can accomplish a plurality of processes simultaneously to mutual independence, mutual noninterference have improved production precision and life between each manufacturing procedure, can reduce mould shaping power simultaneously, reduce the cost input of punch press equipment.
It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes in the features and embodiments, or equivalent substitutions may be made therein by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (11)
1. The utility model provides a stamping die of outer quick-witted top cap of air conditioner, include the lower mould and cooperate the last mould of using with the lower mould, a serial communication port, the lower mould includes die holder (1), terrace die (2) fixed on die holder (1), vice forming mechanism (3) that terrace die (2) periphery set up, and overlap and establish turn-ups mechanism (4) on vice forming mechanism (3), vice forming mechanism (3) are connected with the lifting unit, turn-ups mechanism (4) are connected with lifting unit, the top surface of turn-ups mechanism (4) is higher than the top surface of vice forming mechanism (3), the top surface of vice forming mechanism (3) is higher than the top surface of terrace die (2).
2. The stamping die for the top cover of the outdoor unit of the air conditioner as claimed in claim 1, wherein in an initial state, the top surface of the secondary forming mechanism (3) is 2-3mm higher than the top surface of the male die (2), and the top surface of the flanging forming mechanism is 4-6mm higher than the top surface of the secondary forming mechanism (3).
3. The stamping die for the top cover of the outdoor unit of the air conditioner as claimed in claim 1, wherein the male die (2) comprises a plurality of strip-shaped block structures, mounting holes are formed in the male die (2), the male die (2) is fixed on the lower die holder (1) through bolts, and strip-shaped holes (31) for accommodating the male die (2) are formed in the secondary forming mechanism (3).
4. The stamping die for the top cover of the outdoor unit of the air conditioner as claimed in claim 3, wherein the stamping die further comprises a limiting structure for limiting the lifting range of the secondary forming mechanism (3), the limiting structure comprises a limiting clamping groove (21) arranged on the bottom surface of the male die (2), a limiting clamping block (32) matched with the limiting clamping groove (21) for use is arranged in the strip-shaped hole (31), and the depth of the limiting clamping groove (21) is greater than the thickness of the limiting clamping block (32).
5. The stamping die for the top cover of the outdoor unit of the air conditioner as claimed in claim 4, wherein the limiting structure further comprises a second pad (6) disposed below the secondary forming mechanism (3) and the male die (2), the second pad (6) is fixed on the lower die holder (1), and the second pad (6) is provided with a through hole for accommodating the second elastic member (8).
6. The stamping die for the top cover of the outdoor unit of the air conditioner as claimed in claim 4, wherein the lifting unit comprises a plurality of second elastic members (8), the second elastic members (8) are nitrogen springs, the bottom ends of the nitrogen springs are fixed on the lower die holder (1), and the top ends of the nitrogen springs are in contact with the bottom surface of the secondary forming mechanism (3).
7. The stamping die for the top cover of the outdoor unit of the air conditioner as claimed in claim 6, wherein a plurality of nitrogen springs are uniformly arranged on the bottom surface of the secondary forming mechanism (3), and the nitrogen springs are arranged on the lower die holder (1) below the limiting clamping block (32).
8. The stamping die for the top cover of the outdoor unit of the air conditioner as claimed in claim 3, wherein the flanging mechanism (4) is a hollow frame, the flanging mechanism (4) is sleeved on the auxiliary forming mechanism (3), the second base plate (6) is arranged at the inner side of the flanging mechanism (4), the first base plate (5) is arranged below the second base plate (6), and the first base plate (5) is fixed on the lower die holder (1).
9. The stamping die for the top cover of the outdoor unit of the air conditioner as claimed in claim 8, wherein the lifting assembly comprises a plurality of first elastic members (7), the plurality of first elastic members (7) are disposed on the periphery of the second base plate (6), the first elastic members (7) are springs, the bottom ends of the springs are fixed on the lower die holder (1), and the top ends of the springs pass through the limiting holes (52) on the first base plate (5) to contact with the bottom surface of the flanging mechanism (4).
10. The stamping die for the top cover of the outdoor unit of the air conditioner as claimed in claim 9, wherein the side wall of the flanging mechanism (4) is provided with a limiting groove (41), the side wall of the second backing plate (6) opposite to the limiting groove (41) is provided with a guide groove (51), and the lower die holder (1) is provided with a limiting block (11) matched with the limiting groove (41).
11. A stamping method for a top cover of an air conditioner outdoor unit is characterized by mainly comprising the following steps:
mold fixing step S1: the upper die is fixed on the upper table surface of the punch, the lower die is fixed on the lower table surface of the punch, and the sheet metal material is placed into the die;
press forming step S2: the upper die moves downwards, and the upper die is sequentially contacted with the flanging mechanism (4), the auxiliary forming mechanism (3) and the male die (2) and compresses the sheet metal material to complete the stamping process;
a mold release step S3: after the stretching forming is finished, the upper die moves upwards, the flanging mechanism (4) and the auxiliary forming mechanism (3) move upwards under the action of the lifting assembly and the lifting unit, the auxiliary forming mechanism (3) firstly returns to the initial state, the flanging mechanism (4) continues to move upwards, and the sheet metal part which is punched is pushed out from the auxiliary forming mechanism (3) and the male die (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911333676.1A CN110899513A (en) | 2019-12-23 | 2019-12-23 | Stamping die and stamping method for top cover of air conditioner outdoor unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911333676.1A CN110899513A (en) | 2019-12-23 | 2019-12-23 | Stamping die and stamping method for top cover of air conditioner outdoor unit |
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| Publication Number | Publication Date |
|---|---|
| CN110899513A true CN110899513A (en) | 2020-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911333676.1A Pending CN110899513A (en) | 2019-12-23 | 2019-12-23 | Stamping die and stamping method for top cover of air conditioner outdoor unit |
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| CN (1) | CN110899513A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115971342A (en) * | 2022-12-14 | 2023-04-18 | 烟台丛林精密机械有限公司 | Superplastic stretching and integrated forming die for complex aluminum alloy plate |
-
2019
- 2019-12-23 CN CN201911333676.1A patent/CN110899513A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115971342A (en) * | 2022-12-14 | 2023-04-18 | 烟台丛林精密机械有限公司 | Superplastic stretching and integrated forming die for complex aluminum alloy plate |
| CN115971342B (en) * | 2022-12-14 | 2023-09-19 | 烟台丛林精密机械有限公司 | Superplastic stretching integrated forming die for complex aluminum alloy plate |
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