CN110842091A - Microwave oven panel engaging device - Google Patents
Microwave oven panel engaging device Download PDFInfo
- Publication number
- CN110842091A CN110842091A CN201911069120.6A CN201911069120A CN110842091A CN 110842091 A CN110842091 A CN 110842091A CN 201911069120 A CN201911069120 A CN 201911069120A CN 110842091 A CN110842091 A CN 110842091A
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- China
- Prior art keywords
- die assembly
- wing
- microwave oven
- elastic arm
- lower die
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- 238000005452 bending Methods 0.000 claims abstract description 29
- 230000007306 turnover Effects 0.000 abstract description 3
- 238000000465 moulding Methods 0.000 abstract 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000007373 indentation Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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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
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
- B21D39/02—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of sheet metal by folding, e.g. connecting edges of a sheet to form a cylinder
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Constitution Of High-Frequency Heating (AREA)
Abstract
A microwave oven panel occlusion device is characterized in that a lower die assembly is provided with a microwave oven front panel and a cavity, the bottom of the lower die assembly is connected to the output end of a jacking cylinder through a transfer rod, the lower die assembly is provided with a plurality of slope surfaces inclining towards the inner side, a first bending edge is arranged on the cavity, a second bending edge is arranged on the microwave oven front panel, and the second bending edge is positioned on the slope surfaces; the rotary table comprises a plurality of rotary arms which are rotatably arranged above a table plate, the rotary arms are distributed around the table plate and provided with inner side ends and outer side ends, the outer side ends of the rotary arms are rotatably connected to the output end of the turnover cylinder, an upper die assembly is mounted at the inner side ends of the rotary arms and provided with a fixed molding surface, a first bending edge is positioned below the fixed molding surface, and a plurality of pits are formed in the fixed molding surface at intervals along the transverse direction. The device has increased the bump in front panel interlock limit department in order to prevent the drunkenness, increases a fin in addition at cavity interlock limit, and has all carried out strict definition to cavity and front panel interlock corner to reduce the interlock clearance.
Description
Technical Field
The invention relates to a front panel of a microwave oven, which is mainly used for meshing with a cavity.
Background
There are a great deal of unresolved problems in traditional microwave oven front panel interlock mould, include: the occlusion indentation is obvious; the front panel is warped and deformed after being occluded, and the flatness is poor; the panel is easy to move; the bite gap is large.
Disclosure of Invention
In order to overcome the problems in the prior art, the invention aims to provide a microwave oven panel meshing device which prevents the movement and has small meshing gap.
In order to achieve the above object, the present invention provides a microwave oven panel engaging apparatus for pressing a front panel of a microwave oven together with a cavity, comprising: the lower die assembly is arranged above the platen and can move longitudinally, a microwave oven front panel and a cavity are arranged on the lower die assembly, a jacking cylinder is arranged below the platen, the bottom of the lower die assembly is connected with the output end of the jacking cylinder through an adapter rod, the lower die assembly is provided with a plurality of slope surfaces inclined towards the inner side, a first bending edge is arranged on the cavity, a second bending edge is arranged on the microwave oven front panel and is positioned on the slope surfaces, the first bending edge comprises a first transverse wing extending towards the outer side and a first elastic arm extending downwards from the first transverse wing, the tail end of the first elastic arm is provided with an upwards tilted tail wing, the second bending edge comprises a second transverse wing extending towards the inner side and a second elastic arm extending upwards from the second transverse wing, the second elastic arm and the first elastic arm are oppositely arranged and buckled together, and a plurality of convex points are arranged on the second elastic arm at intervals along the transverse direction; the upper die assembly is arranged on the lower die assembly, the lower die assembly is arranged on the upper die assembly, the upper die assembly is arranged on the lower die assembly, the lower die assembly is arranged on the lower die assembly, and the lower die assembly is; upset cylinder drive each rocking arm and draw in inwards, the design face of last mould subassembly compress tightly in the top of first limit of bending, the jacking cylinder drive lower mould subassembly rebound, lower mould subassembly slope along vertically will first limit of bending and the pressfitting of second limit of bending, first wing, second elastic arm, first elastic arm, second wing fold together in proper order from last to down, the bump squeeze first wing correspond the position and nestification together, the fin support between second elastic arm and second wing.
Preferably, the upper die assembly is provided with a transverse sliding block, the inner side end of the rotating arm is provided with a sliding groove, and the sliding block is installed in the sliding groove.
Preferably, the upper die assembly is fixed with the inner side end of the rotating arm through a screw fixing hole.
Preferably, the slope surface of the lower die assembly is 1.5 degrees.
Preferably, the bedplate is provided with a shaft sleeve and a rotating shaft arranged in the shaft sleeve, and the rotating arm is connected with the rotating shaft.
Preferably, positioning rods are arranged around the lower die assembly, and the front panel of the microwave oven is positioned between the positioning rods.
Preferably, the length of the first wing a = (10-20) T1, T1 is the thickness of the first wing, the length of the second elastic arm B = (10-15) T2, T2 is the thickness of the second wing, the lengths of the first elastic arm and the tail wing E = (0.6-0.8) a, T1-T2=0.1 mm.
Preferably, a cavity engaging corner C >0.5T2 is arranged between the first wing and the first elastic arm, and T2 is the thickness of the second wing. A front panel occlusion corner D >0.5T1 is arranged between the second wing and the second elastic arm, and T1 is the thickness of the first wing.
Preferably, the upper die assembly is provided with an avoiding groove matched with the occluded corner of the cavity.
Preferably, the height H = T1 of the protruding points, and T1 is the thickness of the first wing.
Due to the adoption of the technical scheme, the device is additionally provided with the salient points at the occlusion edge of the front panel to prevent the front panel from moving, and additionally, the cavity occlusion edge is additionally provided with the tail wing, and the occlusion corners of the cavity and the front panel are strictly defined to reduce the occlusion gap.
Drawings
Fig. 1 is an exploded view of a microwave oven panel engaging apparatus according to the present invention;
fig. 2 is a perspective view of an upper die assembly of the microwave oven panel engaging apparatus according to the present invention;
fig. 3 is a perspective view of a lower mold assembly of the microwave oven panel engaging apparatus according to the present invention;
FIG. 4 is a schematic view of the keying structure prior to compression in accordance with the present invention;
FIG. 5 is a schematic view of the keying structure after compression in accordance with the present invention;
FIG. 6 is a perspective view of a first folded edge of the keying structure in accordance with the present invention;
FIG. 7 is a perspective view of a second folded edge of the keying structure in accordance with the present invention;
FIG. 8 is a perspective view of a microwave oven panel engaging apparatus according to the present invention prior to compression;
FIG. 9 is a perspective view of a microwave oven panel engaging apparatus according to the present invention after pressing;
fig. 10 is a schematic view of a microwave oven panel bite structure according to the present invention.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the invention.
Referring to fig. 1, fig. 1 is an exploded view of a microwave oven panel engaging device according to the present invention, which is used for pressing a front panel 8 of a microwave oven together with a cavity 7, and includes a lower mold assembly 10 disposed above a platen 9 and capable of moving in a longitudinal direction, and a plurality of rotating arms 11 rotatably disposed above the platen 9, wherein the lower mold assembly 10 is provided with the front panel 8 of the microwave oven and the cavity 7, a jacking cylinder 12 is disposed below the platen 9, and the bottom of the lower mold assembly 10 is connected to an output end of the jacking cylinder 12 through an adapter rod 13. The bedplate 9 is provided with a shaft sleeve 16 and a rotating shaft 17 arranged in the shaft sleeve 16, and the rotating arm 11 is connected with the rotating shaft 17. The rotating arms 11 are distributed around the lower die assembly 10, the rotating arms 11 are provided with inner side ends and outer side ends, a turnover air cylinder 14 is arranged below the bedplate 9, the outer side ends of the rotating arms 11 are rotatably connected to the output ends of the turnover air cylinders 14, and the inner side ends of the rotating arms 11 are provided with upper die assemblies 15.
Fig. 2 is a perspective view of an upper die assembly of the microwave oven panel engaging apparatus according to the present invention; the upper die assembly 15 is provided with a fixed surface 18, the first bending edge is positioned below the fixed surface 18, and a plurality of concave pits 19 are arranged on the fixed surface 18 at intervals along the transverse direction; the upper die assembly 15 is provided with a transverse sliding block 20, the inner side end of the rotating arm 11 is provided with a sliding groove 21, the sliding block 20 is installed in the sliding groove 21, and the upper die assembly 15 is fixed with the inner side end of the rotating arm 11 through a screw fixing hole 22. Positioning rods 23 are provided around the lower mold unit 15, and the microwave oven front panel 8 is positioned between the positioning rods 23.
Fig. 3 is a perspective view of a lower mold assembly of the microwave oven panel engaging apparatus according to the present invention; the lower die assembly 10 has a plurality of inwardly inclined ramp surfaces 24, and the second bent edge is located on the ramp surfaces 24, each of which is at 1.5 ° for compensating for the amount of deformation of the front panel and improving the flatness thereof.
Referring to fig. 4 to 7, fig. 4 is a schematic view before pressing the engaging structure according to the present invention, fig. 5 is a schematic view after pressing the engaging structure according to the present invention, fig. 6 is a perspective view of a first bent side of the engaging structure according to the present invention, and fig. 7 is a perspective view of a second bent side of the engaging structure according to the present invention. The occlusion structure comprises a first bending edge and a second bending edge, wherein the first bending edge is arranged on a cavity 7, and the second bending edge is arranged on a front panel 8 of the microwave oven.
As shown in fig. 4 and fig. 6, the first bending edge includes a first wing 1 extending outward, a first elastic arm 2 extending downward from the first wing 1, and a tail fin 3 tilted upward is provided at a distal end of the first elastic arm 2; length a = (10-20) T1 of first wing 1, T1 is thickness of first wing 1; a cavity occlusion corner C >0.5T2 is arranged between the first wing 1 and the first elastic arm 2, and T2 is the thickness of the second wing 4; the lengths E = (0.6-0.8) a of the first elastic arm 2 and the tail fin 3, where a is the length of the first cross wing 1.
As shown in fig. 4 and fig. 7, the second folded edge includes a second wing 4 extending inward, and a second elastic arm 5 extending upward from the second wing 4, the second elastic arm 5 is disposed opposite to the first elastic arm 2 and fastened together, and a plurality of protruding points 6 are disposed on the second elastic arm 5 at intervals in the transverse direction; height H = T1 of bump 6, T1 being the thickness of first wing 1. A front panel engaging corner D >0.5T1 is arranged between the second wing 4 and the second elastic arm 5, and T1 is the thickness of the first wing 1.
As shown in fig. 5, after the first bending edge and the second bending edge are longitudinally pressed, the first lateral wing 1, the second elastic arm 5, the first elastic arm 2, and the second lateral wing 4 are sequentially laminated together from top to bottom, the protruding points 6 are squeezed into corresponding positions of the first lateral wing 1 and are nested together, and the tail wing 3 is supported between the second elastic arm 5 and the second lateral wing 4. Length B = (10-15) T2 of second elastic arm 5, T2 is thickness of second wing 4.
In addition, the first and second folded edges are made of the same material and T1-T2=0.1mm, T1 being the thickness of the first wing 1 and T2 being the thickness of the second wing 4. The process adds salient points at the occlusion edge of the front panel to prevent the front panel from moving, additionally adds a tail wing at the occlusion edge of the cavity, and strictly defines the occlusion corners of the cavity and the front panel to reduce the occlusion gap.
Referring to fig. 8 to 10, fig. 8 is a perspective view of a microwave oven panel engaging device according to the present invention before being pressed, fig. 9 is a perspective view of a microwave oven panel engaging device according to the present invention after being pressed, and fig. 10 is a schematic view of a microwave oven panel engaging structure according to the present invention. Under the working state, the overturning cylinder 14 drives the rotating arms 11 to fold inwards, the shaping surface 18 of the upper die assembly 15 is pressed above the first bending edge, the jacking cylinder 12 drives the lower die assembly 10 to move upwards, the slope surface 24 of the lower die assembly 10 presses the first bending edge and the second bending edge along the longitudinal direction, the first lateral wing 1, the second elastic arm 5, the first elastic arm 2 and the second lateral wing 4 are sequentially laminated together from top to bottom, the salient points 6 are extruded into the corresponding positions of the first lateral wing 1 and are embedded together, and the tail fin 3 is supported between the second elastic arm 5 and the second lateral wing 4. In addition, it can be seen that upper die assembly 15 is provided with relief grooves 25 that mate with the cavity engaging corners to reduce indentation. The device has increased the bump in front panel interlock limit department in order to prevent the drunkenness, increases a fin in addition at cavity interlock limit, and has all carried out strict definition to cavity and front panel interlock corner to reduce the interlock clearance.
The above embodiments are merely illustrative of the technical concept and features of the present invention, and the present invention is not limited thereto, and any equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of the present invention.
Claims (10)
1. A microwave oven faceplate snapping apparatus for compressing a front faceplate of a microwave oven with a cavity, comprising:
the lower die assembly is arranged above the platen and can move longitudinally, a microwave oven front panel and a cavity are arranged on the lower die assembly, a jacking cylinder is arranged below the platen, the bottom of the lower die assembly is connected with the output end of the jacking cylinder through an adapter rod, the lower die assembly is provided with a plurality of slope surfaces inclined towards the inner side, a first bending edge is arranged on the cavity, a second bending edge is arranged on the microwave oven front panel and is positioned on the slope surfaces, the first bending edge comprises a first transverse wing extending towards the outer side and a first elastic arm extending downwards from the first transverse wing, the tail end of the first elastic arm is provided with an upwards tilted tail wing, the second bending edge comprises a second transverse wing extending towards the inner side and a second elastic arm extending upwards from the second transverse wing, the second elastic arm and the first elastic arm are oppositely arranged and buckled together, and a plurality of convex points are arranged on the second elastic arm at intervals along the transverse direction;
the upper die assembly is arranged on the lower die assembly, the lower die assembly is arranged on the upper die assembly, the upper die assembly is arranged on the lower die assembly, the lower die assembly is arranged on the lower die assembly, and the lower die assembly is; upset cylinder drive each rocking arm and draw in inwards, the design face of last mould subassembly compress tightly in the top of first limit of bending, the jacking cylinder drive lower mould subassembly rebound, lower mould subassembly slope along vertically will first limit of bending and the pressfitting of second limit of bending, first wing, second elastic arm, first elastic arm, second wing fold together in proper order from last to down, the bump squeeze first wing correspond the position and nestification together, the fin support between second elastic arm and second wing.
2. A microwave oven panel engaging apparatus according to claim 1, wherein: the upper die assembly is provided with a transverse sliding block, the inner side end of the rotating arm is provided with a sliding groove, and the sliding block is arranged in the sliding groove.
3. A microwave oven panel engaging apparatus according to claim 1, wherein: the upper die assembly is fixed with the inner side end of the rotating arm through a screw fixing hole.
4. A microwave oven panel engaging apparatus according to claim 1, wherein: the slope surface of the lower die component is 1.5 degrees.
5. A microwave oven panel engaging apparatus according to claim 1, wherein: the bedplate is provided with a shaft sleeve and a rotating shaft arranged in the shaft sleeve, and the rotating arm is connected with the rotating shaft.
6. A microwave oven panel engaging apparatus according to claim 1, wherein: positioning rods are arranged around the lower die assembly, and the front panel of the microwave oven is positioned between the positioning rods.
7. A microwave oven panel engaging apparatus according to claim 1, wherein: the length A = (10-20) T1 of the first cross wing, T1 is the thickness of the first cross wing, the length B = (10-15) T2 of the second elastic arm, T2 is the thickness of the second cross wing, the lengths E = (0.6-0.8) A of the first elastic arm and the tail wing, T1-T2=0.1 mm.
8. A microwave oven panel engaging apparatus according to claim 1, wherein: cavity interlock corner C >0.5T2 is provided between the first wing and the first elastic arm, T2 is the thickness of the second wing, front panel interlock corner D >0.5T1 is provided between the second wing and the second elastic arm, and T1 is the thickness of the first wing.
9. A microwave oven panel engaging apparatus according to claim 8, wherein: the upper die assembly is provided with an avoiding groove matched with the occluded corner of the cavity.
10. A microwave oven panel engaging apparatus according to claim 1, wherein: the height H = T1 of the bumps, T1 being the thickness of the first cross wing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911069120.6A CN110842091B (en) | 2019-11-05 | 2019-11-05 | Microwave oven panel engaging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911069120.6A CN110842091B (en) | 2019-11-05 | 2019-11-05 | Microwave oven panel engaging device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110842091A true CN110842091A (en) | 2020-02-28 |
| CN110842091B CN110842091B (en) | 2024-07-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911069120.6A Active CN110842091B (en) | 2019-11-05 | 2019-11-05 | Microwave oven panel engaging device |
Country Status (1)
| Country | Link |
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| CN (1) | CN110842091B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040178195A1 (en) * | 2002-12-31 | 2004-09-16 | Kim Yong-Yeon | Microwave oven |
| CN101398196A (en) * | 2007-09-29 | 2009-04-01 | 乐金电子(天津)电器有限公司 | Front panel structure of microwave oven body |
| CN104259329A (en) * | 2014-09-09 | 2015-01-07 | 浙江安德电器有限公司 | Edge meshing technology of inner container of dish-washing machine |
| CN206455036U (en) * | 2017-01-19 | 2017-09-01 | 锋宏海力汽车技术(昆山)有限公司 | A kind of occlusion frock with error-disable function |
| CN108838250A (en) * | 2018-08-13 | 2018-11-20 | 南京邮电大学 | A kind of bending and flanging integrated molding device suitable for flat sheet |
| CN208116462U (en) * | 2018-03-13 | 2018-11-20 | 龚丽辉 | A kind of mechanical pressing device of bending machine |
| JP2019178812A (en) * | 2018-03-30 | 2019-10-17 | 東洋アルミエコープロダクツ株式会社 | Panel composite and manufacturing method of panel composite |
| CN211161564U (en) * | 2019-11-05 | 2020-08-04 | 苏州托克斯冲压设备有限公司 | Microwave oven panel engaging device |
-
2019
- 2019-11-05 CN CN201911069120.6A patent/CN110842091B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040178195A1 (en) * | 2002-12-31 | 2004-09-16 | Kim Yong-Yeon | Microwave oven |
| CN101398196A (en) * | 2007-09-29 | 2009-04-01 | 乐金电子(天津)电器有限公司 | Front panel structure of microwave oven body |
| CN104259329A (en) * | 2014-09-09 | 2015-01-07 | 浙江安德电器有限公司 | Edge meshing technology of inner container of dish-washing machine |
| CN206455036U (en) * | 2017-01-19 | 2017-09-01 | 锋宏海力汽车技术(昆山)有限公司 | A kind of occlusion frock with error-disable function |
| CN208116462U (en) * | 2018-03-13 | 2018-11-20 | 龚丽辉 | A kind of mechanical pressing device of bending machine |
| JP2019178812A (en) * | 2018-03-30 | 2019-10-17 | 東洋アルミエコープロダクツ株式会社 | Panel composite and manufacturing method of panel composite |
| CN108838250A (en) * | 2018-08-13 | 2018-11-20 | 南京邮电大学 | A kind of bending and flanging integrated molding device suitable for flat sheet |
| CN211161564U (en) * | 2019-11-05 | 2020-08-04 | 苏州托克斯冲压设备有限公司 | Microwave oven panel engaging device |
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|---|---|
| CN110842091B (en) | 2024-07-05 |
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