CN113843363A - Automatic forming method and equipment for inner container bottom plate of kitchen cabinet - Google Patents
Automatic forming method and equipment for inner container bottom plate of kitchen cabinet Download PDFInfo
- Publication number
- CN113843363A CN113843363A CN202111210638.4A CN202111210638A CN113843363A CN 113843363 A CN113843363 A CN 113843363A CN 202111210638 A CN202111210638 A CN 202111210638A CN 113843363 A CN113843363 A CN 113843363A
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- plate
- bottom plate
- inner container
- kitchen cabinet
- metal plate
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000005452 bending Methods 0.000 claims abstract description 43
- 239000002184 metal Substances 0.000 claims abstract description 34
- 238000005520 cutting process Methods 0.000 claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 claims abstract description 11
- 230000000712 assembly Effects 0.000 claims abstract description 5
- 238000000429 assembly Methods 0.000 claims abstract description 5
- 230000007246 mechanism Effects 0.000 claims description 9
- 240000004282 Grewia occidentalis Species 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 5
- 239000003638 chemical reducing agent Substances 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 abstract description 12
- 238000004080 punching Methods 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
- B21D51/00—Making hollow objects
- B21D51/16—Making hollow objects characterised by the use of the objects
- B21D51/18—Making hollow objects characterised by the use of the objects vessels, e.g. tubs, vats, tanks, sinks, or the like
-
- 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
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention discloses an automatic forming method of a bottom plate of an inner container of a kitchen cabinet, which comprises the following steps: the rectangular metal plate is fed to a production line by an automatic feeding machine; the rectangular metal plate enters a die cutting machine, and the die cutting machine cuts off four corners of the rectangular metal plate. The invention also discloses automatic forming equipment for the bottom plate of the inner container of the kitchen cabinet, which comprises a base, wherein two bending assemblies are arranged on the base, each bending assembly comprises a bottom plate and a top plate, a side plate is arranged between the bottom plate and the top plate, a vertical plate is fixed at the bottom of the top plate, and a lower die strip is fixed at the bottom end of the vertical plate. The invention has high automation degree, and greatly reduces the labor capacity; the bending process in steps is adopted, so that a stamping die with a complex structure is avoided, the cost is reduced, and the phenomenon of inconvenience in die replacement is avoided.
Description
Technical Field
The invention relates to the field of plate forming, in particular to a method and equipment for automatically forming a bottom plate of an inner container of a kitchen cabinet.
Background
The processing of sheet metal parts has been playing an important role and the processed products of sheet metal parts are widely used in household appliances and furniture. Such as the U-shell, side panels and the cabinet liner of a refrigerator, etc.
For the processing of the inner container of the kitchen cabinet, the existing forming process is to place a metal plate in a die and drive the die by an oil press to stretch and form the metal plate. However, such a molding method has disadvantages such as large mold size, high cost, and poor flexibility. The molding method has high requirements on the mold, and the area of the base plate of the common cabinet liner is large, so that the required volume of the mold is large. Secondly, for kitchen cabinets of different models, the moulds of different sizes are corresponded, so that the moulds of corresponding sizes are needed for processing the inner containers of the kitchen cabinets of different models. And secondly, the traditional integral stretching forming process adopts manual production, so that the labor intensity is high, the production efficiency is low, and the stability of the product quality is difficult to ensure. And, the production line frequently changes the mould by hand and has increased staff's amount of labour. Meanwhile, the metal material has elastic deformation during plastic deformation, so that the workpiece can rebound after the punching force is removed. For the plate with a more complex structure, the die is also complex, and each structure of the plate has springback, so that the structure of the plate stamped by the die is seriously distorted and has larger deviation from the expected structure.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an automatic forming method and equipment for a bottom plate of an inner container of a kitchen cabinet, which solve the problems in the background art.
In order to achieve the purpose, the invention is realized by the following technical scheme: an automatic forming method for a bottom plate of an inner container of a kitchen cabinet comprises the following steps:
the rectangular metal plate is fed to a production line by an automatic feeding machine;
the rectangular metal plate enters a die cutting machine, and the die cutting machine cuts off four corners of the rectangular metal plate;
the punched metal plate enters a side plate forming machine, and the side edge forming machine bends two sides of the metal plate to form circular arcs on the two sides of the metal plate;
after the side edges are bent and formed, the metal plate enters an end part forming machine to form circular arcs at two ends;
after the end part is formed, the metal plate enters a four-corner forming machine to form four-corner arcs of the metal plate;
and conveying the kitchen liner bottom plate with the four corners formed to a discharging platform for waiting for inspection and discharging.
Further, the arcs of the two sides and the two ends of the metal plate are ninety-degree arcs.
The automatic forming equipment for the bottom plate of the inner container of the kitchen cabinet comprises a base, wherein two bending assemblies are mounted on the base, each bending assembly comprises a bottom plate and a top plate, a side plate is mounted between the bottom plate and the top plate, a vertical plate is fixed to the bottom of the top plate, a lower die strip is fixed to the bottom end of the vertical plate, the inner side of the vertical plate is connected with an upper die strip mounting plate through a slide rail assembly, an upper die strip is mounted at the bottom of the upper die strip mounting plate, a first oil cylinder is mounted on the top plate, and the shaft end of the first oil cylinder is connected with the top of the upper die strip mounting plate through a flange;
the bottom plate is fixed with the swash plate, and the outside of swash plate is connected with crooked mould strip mounting panel through slide rail set two, and the top of crooked mould strip mounting panel is fixed with crooked mould strip, and the blade angle of crooked mould strip and last mould strip is eighty degrees, and hydro-cylinder two is installed to the bottom in the swash plate outside, and the piston rod of hydro-cylinder two is connected with the bottom of crooked mould strip mounting panel.
Further limiting, the bottom plate of one bending assembly is fixed at one end of the base, and the bottom plate of the other bending assembly is connected with the base through a transverse adjusting mechanism.
Further inject, horizontal adjustment mechanism is including installing the servo motor on the base, and servo motor's output shaft has the lead screw nut subassembly through the reduction gear connection, the bottom of bottom plate is passed through slide rail set spare three and is connected with the base, and the bottom of bottom plate is fixed with the connecting plate that cup joints with the lead screw nut subassembly.
Further limiting, a first synchronizing shaft and a second synchronizing shaft are rotatably connected between the side plates, a first synchronizing gear is mounted on the first synchronizing shaft, and the first synchronizing gear is meshed with a first rack on the upper mold strip mounting plate;
and a second synchronizing gear is arranged on the second synchronizing shaft, and the second synchronizing shaft is meshed with the second rack on the inclined plate.
Further, a transverse plate is fixed between the side plates.
The invention has the following beneficial effects: the invention adopts an automatic forming production line to process the bottom plate structure of the inner container of the kitchen cabinet in steps, firstly, a rectangular plate is punched and processed by a punching machine to be easy to bend, then the punched plate is transported by a manipulator to sequentially pass through a side forming machine, an end forming machine and a four-corner forming machine to respectively bend the sides, the ends and the four corners of the punched plate, and meanwhile, a die for bending is provided with allowance, so that the angle of the bent part is larger than the required angle, and the plate still keeps the required shape after rebounding.
The automation degree is high, and the labor capacity is reduced to a great extent; the bending process in steps is adopted, so that a stamping die with a complex structure is avoided, the cost is reduced, and the phenomenon of inconvenience in die replacement is avoided; one bending assembly is connected with the base through a transverse adjusting mechanism, so that the bending assembly can move, the bending work of the inner container bottom plates of the kitchen cabinets of different models is realized, and the flexibility of the production line is strong; and allowance is set for the bending die, so that the springback of the processed metal plate is counteracted to a great extent.
Drawings
FIG. 1 is a schematic view of the structure of the bottom plate of the liner of the present invention;
FIG. 2 is a flow chart of the process of the present invention;
FIG. 3 is a schematic view of the process of the present invention;
FIG. 4 is a schematic view of a side molding machine according to the present invention;
FIG. 5 is a schematic view of an upper molding of the present invention;
FIG. 6 is a schematic view of a bending die strip in accordance with the present invention;
FIG. 7 is a schematic view of the lateral adjustment mechanism of the present invention;
FIG. 8 is a schematic view of the mold margin of the present invention.
In the figure: 1. a top plate; 2. a first oil cylinder; 3. a first rack; 4. a first synchronous gear; 5. a first synchronizing shaft; 6. a first slide rail assembly; 7. a flange; 8. an upper mould strip mounting plate; 9. feeding a mould strip; 10. bending the die strip; 11. bending the die strip mounting plate; 12. a second synchronous gear; 13. a second synchronizing shaft; 14. a second rack; 15. a second oil cylinder; 16. a second slide rail component; 17. a sloping plate; 18. a base plate; 19. a third slide rail component; 20. a lead screw nut assembly; 21. a connecting plate; 22. a speed reducer; 23. a servo motor; 24. a side plate; 25. a transverse plate; 26. a base; 27. discharging the die strip; 28. the plate is processed.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, an automatic forming method for a bottom plate of an inner container of a kitchen cabinet comprises the following steps:
the rectangular metal plate is fed to a production line by an automatic feeding machine; the die cutting machine cuts the four corners of a rectangular metal plate into a required shape, the punched metal plate enters a side forming machine, the side forming machine bends the two sides of the metal plate, the bending position is a 90-degree arc with the radius of 7 mm, after the side is bent and formed, the metal plate enters an end forming machine to be formed into two-end arcs, the same bending position is a 90-degree arc with the radius of 7 mm, finally, a plate enters the four-corner forming machine, the four corners are machined and formed into the required shape, and a kitchen liner bottom plate after the four-corner forming is conveyed to an unloading platform to wait for inspection and unloading.
Referring to fig. 4-8, the automatic forming equipment for the bottom plate of the inner container of the kitchen cabinet comprises a base 26, wherein two bending assemblies are mounted on the base 26, each bending assembly comprises a bottom plate 18 and a top plate 1, side plates 24 are mounted between the bottom plate 18 and the top plate 1, transverse plates 25 are fixed between the side plates 24 and used for reinforcing and fixing the side plates 24, a first synchronizing shaft 5 and a second synchronizing shaft 13 are rotatably connected between the side plates 24, a first synchronizing gear 4 is mounted on the first synchronizing shaft 5, and the first synchronizing gear 4 is meshed with a first rack 3 on an upper rack mounting plate 8; the second synchronizing shaft 13 is provided with a second synchronizing gear 12, and the second synchronizing shaft 13 is meshed with a second rack 14 on the inclined plate 17.
Referring to fig. 5, a vertical plate is fixed at the bottom of a top plate 1, a lower die strip 27 is fixed at the bottom end of the vertical plate, the inner side of the vertical plate is connected with an upper die strip mounting plate 8 through a first slide rail assembly 6, an upper die strip 9 is installed at the bottom of the upper die strip mounting plate 8, a first oil cylinder 2 is installed on the top plate 1, the shaft end of the first oil cylinder 2 is connected with the top of the upper die strip mounting plate 8 through a flange 7, the first slide rail assembly 6 ensures that the upper die strip 9 moves up and down on a vertical track, and the movement synchronism of the first oil cylinder is ensured by a first rack 3, a first synchronizing gear 4 and a first synchronizing shaft 5;
referring to fig. 6, an inclined plate 17 is fixed on a bottom plate 18, the outer side of the inclined plate 17 is connected with a bending die strip mounting plate 11 through a second slide rail assembly 16, a bending die strip 10 is fixed at the top end of the bending die strip mounting plate 11, the cutting edge angles of the bending die strip 10 and the cutting edge angle of the upper die strip 9 are eighty degrees, a second oil cylinder 15 is installed at the bottom of the outer side of the inclined plate 17, a piston rod of the second oil cylinder 15 is connected with the bottom end of the bending die strip mounting plate 11, the bending die strip mounting plate 11 is driven to move along the second slide rail assembly 16 through the second oil cylinder 15, the movement track is guaranteed to be correct, and in the process, a second synchronizing gear 12, a second synchronizing shaft 13 and a second rack 14 are matched to guarantee the synchronism of the overall movement.
Referring to fig. 7, the bottom plate 18 of one of the bending assemblies is fixed at one end of a base 26, the bottom plate 18 of the other bending assembly is connected with the base 26 through a transverse adjusting mechanism, the transverse adjusting mechanism includes a servo motor 23 installed on the base 26, an output shaft of the servo motor 23 is connected with a screw nut assembly 20 through a reducer 22, the bottom of the bottom plate 18 is connected with the base 26 through a third slide rail assembly 19, the back and forth movement of the bottom plate 18 along the base 26 can be realized through the third slide rail assembly 19, a connecting plate 21 sleeved with the screw nut assembly 20 is fixed at the bottom of the bottom plate 18, the servo motor 23 outputs torque, the screw nut assembly 20 is transmitted through the reducer 22, the connecting plate 21 drives the bottom plate 18 to move, meanwhile, the third slide rail assembly 19 installed on the bottom plate 18 ensures the linear movement of the bottom plate 18, thereby realizing the operation of the bending assembly, and the device has strong flexibility, can be used for processing the bottom plates of the inner containers of the kitchen cabinets with different models.
Referring to fig. 8, the cutting edges of the bending die strip 10 and the upper die strip 9 are both arc-shaped, after the processed plate 28 is placed on the lower die strip 27, the upper die strip 9 moves downwards to be matched with the lower die strip 27 to fix the processed plate 28, then the bending die strip 10 moves upwards along the inclined plane of the lower die strip 27 of the base 26 to complete arc bending by matching with the upper die strip 9, wherein the cutting edge angles of the bending die strip 10 and the upper die strip 9 are 80 degrees, and the bent workpiece can be approximately in a 90-degree arc shape after rebounding.
The invention adopts an automatic forming production line to process the bottom plate structure of the inner container of the kitchen cabinet in steps, firstly, a rectangular plate is punched and processed by a punching machine to be easy to bend, then the punched plate is transported by a manipulator to sequentially pass through a side forming machine, an end forming machine and a four-corner forming machine to respectively bend the sides, the ends and the four corners of the punched plate, and meanwhile, a die for bending is provided with allowance, so that the angle of the bent part is larger than the required angle, and the plate still keeps the required shape after rebounding.
The automation degree is high, and the labor capacity is reduced to a great extent; the bending process in steps is adopted, so that a stamping die with a complex structure is avoided, the cost is reduced, and the phenomenon of inconvenience in die replacement is avoided; one bending assembly is connected with the base 26 by adopting a transverse adjusting mechanism, so that the bending assembly can move, the bending work of the bottom plates of the inner containers of the kitchen cabinets of different models is realized, and the flexibility of the production line is strong; and allowance is set for the bending die, so that the springback of the processed metal plate is counteracted to a great extent.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. An automatic forming method for a bottom plate of an inner container of a kitchen cabinet is characterized by comprising the following steps:
the rectangular metal plate is fed to a production line by an automatic feeding machine;
the rectangular metal plate enters a die cutting machine, and the die cutting machine cuts off four corners of the rectangular metal plate;
the punched metal plate enters a side plate forming machine, and the side edge forming machine bends two sides of the metal plate to form circular arcs on the two sides of the metal plate;
after the side edges are bent and formed, the metal plate enters an end part forming machine to form circular arcs at two ends;
after the end part is formed, the metal plate enters a four-corner forming machine to form four-corner arcs of the metal plate;
and conveying the kitchen liner bottom plate with the four corners formed to a discharging platform for waiting for inspection and discharging.
2. The automatic forming method of the bottom plate of the inner container of the kitchen cabinet, according to claim 1, is characterized in that: the arcs on the two sides and the two ends of the metal plate are ninety-degree arcs.
3. The utility model provides a kitchen cabinet inner bag bottom plate automatic molding equipment, includes the base, its characterized in that: the base is provided with two bending assemblies, each bending assembly comprises a bottom plate and a top plate, a side plate is arranged between the bottom plate and the top plate, a vertical plate is fixed at the bottom of the top plate, a lower die strip is fixed at the bottom end of the vertical plate, the inner side of the vertical plate is connected with an upper die strip mounting plate through a slide rail assembly, an upper die strip is arranged at the bottom of the upper die strip mounting plate, a first oil cylinder is arranged on the top plate, and the shaft end of the first oil cylinder is connected with the top of the upper die strip mounting plate through a flange;
the bottom plate is fixed with the swash plate, and the outside of swash plate is connected with crooked mould strip mounting panel through slide rail set two, and the top of crooked mould strip mounting panel is fixed with crooked mould strip, and the blade angle of crooked mould strip and last mould strip is eighty degrees, and hydro-cylinder two is installed to the bottom in the swash plate outside, and the piston rod of hydro-cylinder two is connected with the bottom of crooked mould strip mounting panel.
4. The automatic forming equipment for the bottom plate of the inner container of the kitchen cabinet, according to claim 3, is characterized in that: the bottom plate of one bending assembly is fixed at one end of the base, and the bottom plate of the other bending assembly is connected with the base through a transverse adjusting mechanism.
5. The automatic forming equipment for the bottom plate of the inner container of the kitchen cabinet, according to claim 4, is characterized in that: the transverse adjusting mechanism comprises a servo motor arranged on the base, an output shaft of the servo motor is connected with a lead screw nut assembly through a speed reducer, the bottom of the bottom plate is connected with the base through a third sliding rail assembly, and a connecting plate which is sleeved with the lead screw nut assembly is fixed to the bottom of the bottom plate.
6. The automatic forming equipment for the bottom plate of the inner container of the kitchen cabinet, according to claim 4, is characterized in that: a first synchronizing shaft and a second synchronizing shaft are rotatably connected between the side plates, a first synchronizing gear is mounted on the first synchronizing shaft, and the first synchronizing gear is meshed with a first rack on the upper mold strip mounting plate;
and a second synchronizing gear is arranged on the second synchronizing shaft, and the second synchronizing shaft is meshed with the second rack on the inclined plate.
7. The automatic forming equipment for the bottom plate of the inner container of the kitchen cabinet, according to any one of claims 3 to 6, is characterized in that: and transverse plates are fixed between the side plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111210638.4A CN113843363A (en) | 2021-10-18 | 2021-10-18 | Automatic forming method and equipment for inner container bottom plate of kitchen cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111210638.4A CN113843363A (en) | 2021-10-18 | 2021-10-18 | Automatic forming method and equipment for inner container bottom plate of kitchen cabinet |
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| Publication Number | Publication Date |
|---|---|
| CN113843363A true CN113843363A (en) | 2021-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111210638.4A Pending CN113843363A (en) | 2021-10-18 | 2021-10-18 | Automatic forming method and equipment for inner container bottom plate of kitchen cabinet |
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2021
- 2021-10-18 CN CN202111210638.4A patent/CN113843363A/en active Pending
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