CN111974894A - Process for manufacturing and forming pot body of pressure cooker with inward curled edge - Google Patents
Process for manufacturing and forming pot body of pressure cooker with inward curled edge Download PDFInfo
- Publication number
- CN111974894A CN111974894A CN202010863506.0A CN202010863506A CN111974894A CN 111974894 A CN111974894 A CN 111974894A CN 202010863506 A CN202010863506 A CN 202010863506A CN 111974894 A CN111974894 A CN 111974894A
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- Prior art keywords
- pot body
- curling
- pot
- turning
- hemming
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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
- 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
- B21D51/22—Making hollow objects characterised by the use of the objects vessels, e.g. tubs, vats, tanks, sinks, or the like pots, e.g. for cooking
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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
- B21D19/00—Flanging or other edge treatment, e.g. of tubes
- B21D19/12—Edge-curling
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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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/20—Deep-drawing
- B21D22/22—Deep-drawing with devices for holding the edge of the blanks
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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
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
A process for manufacturing and forming a pot body of an internal curling pressure cooker belongs to the technical field of pot body production. The method is characterized in that: the method comprises the following steps: step 1) stretching a plate into a pot body at one time, stretching the diameter and the height of the pot body to required dimensions at one time, and reserving an edge pressing material; step 2) placing the pot body on a secondary stretching die for secondary stretching, wherein the secondary stretching die is provided with a pot body locking part and a blank pressing part, the pot body locking part locks the pot body, and the blank pressing part punches blank pressing materials to form a pot opening with the diameter larger than that of the pot body; step 3) removing excess materials of the pot opening, and then curling the edge of the pot opening inwards; and 4) turning the inner side of the pot opening and trimming the turned edge. The invention avoids the cracking phenomenon of the plate in the secondary stretching process, the turned edge in the pot body meets the requirement of the pressure cooker on the cover closing function of the pot body, the pressure pot body manufactured by adopting the manufacturing and forming process avoids the cracking phenomenon in the production process, the product precision is high, the qualification rate is improved, and the production cost is reduced.
Description
Technical Field
A process for manufacturing and forming a pot body of an internal curling pressure cooker belongs to the technical field of pot body production.
Background
The diameter of the pot mouth part of the pressure cooker pot body is usually larger than that of the lower part so as to meet the requirement of the pot body cover closing function, the pressure cooker pot body is formed by stretching a circular plate, the stretching of the pot body is usually formed by secondary stretching, the circular plate is stretched into a cylinder with the diameter equal to the diameter of the pot mouth by primary stretching, and the lower part of the pot body is stretched to a specified size during secondary stretching. But in the secondary stretching process, the phenomenon of plate cracking appears very easily, and the pot body can appear kick-backing when secondary stretching moreover, leads to the size of the tensile pot body to appear the deviation, and the precision of product is low, and the percent of pass is low.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: overcomes the defects of the prior art, and provides a process for manufacturing and forming the pot body of the internal curling pressure cooker, which can avoid the pot body from cracking in the stretching process and has high pot body precision.
The technical scheme adopted by the invention for solving the technical problems is as follows: the manufacturing and forming process of the inner curled edge pressure cooker body is characterized in that: the method comprises the following steps:
step 1) stretching a plate into a pot body at one time, stretching the diameter and the height of the pot body to the required size at one time, and reserving an edge pressing material;
step 2) placing the pot body on a secondary stretching die for secondary stretching, wherein the secondary stretching die is provided with a pot body locking part and a blank pressing part, the pot body locking part locks the pot body, and the blank pressing part presses a pot opening with the diameter larger than that of the pot body on a blank pressing material;
step 3) removing excess materials of the pot opening, and then curling the edge of the pot opening inwards;
and 4) turning the inner side of the pot opening and trimming the turned edge.
Preferably, it is characterized in that: punching the plate in the step 1) into a circular sheet shape and then stretching for the first time.
Preferably, the secondary drawing die in the step 2) comprises a male die, an upper blank holder and a lower blank holder, the upper blank holder is arranged right above the lower blank holder, the upper part of the male die is arranged in the lower blank holder in a sliding manner, the male die is connected with a stamping oil cylinder for driving the male die to lift, an expanding die with the diameter larger than that of the upper part is arranged on the lower side of the male die to form the blank holder, and the upper blank holder or the lower blank holder is connected with a power device for driving the male die to lift. The flaring die is matched with the upper blank holder, a pot opening is formed on the pot body, and the forming speed is high.
Preferably, the secondary drawing die in the step 2) further comprises a locking ring, the locking ring is slidably arranged in the upper blank holder, the upper part of the male die extends into the locking ring, a pan body locking part is formed between the flaring die and the bottom of the locking ring, and the locking ring is connected with a locking oil cylinder for pushing the locking ring to lift. The flaring die is matched with the bottom of the locking ring to clamp the pot body, so that the problem that the pot body deforms and the plate is cracked in the secondary stretching process is avoided.
Preferably, the pot mouth in the step 3) is curled in a rolling manner.
Preferably, the pot mouth in the step 3) is curled through an internal curling device.
Preferably, the internal curling device comprises a curling clamp and a curling wheel, the curling wheel is arranged on the upper side of the curling clamp, an inwards concave curling groove is formed in the middle of the surrounding curling wheel, the diameter of one end, facing the inner side of the pot body, of the curling wheel is smaller than that of the other end of the curling wheel, and the curling clamp is connected with a curling motor driving the curling wheel to rotate. The diameter of one end of the hemming wheel facing the inner side of the pot body is smaller than that of the other end of the hemming wheel, and the pot opening can be curled inwards.
Preferably, the hemming wheels are arranged on the hemming lifting device, and a plurality of hemming wheels are uniformly distributed around the central line of the hemming clamp at intervals. The hemming wheels are uniformly distributed around the central line of the hemming clamp at intervals, and the hemming speed is high.
Preferably, the pot mouth in the step 4) is turned by a turning and curling device.
Preferably, the turning and curling device comprises a turning and curling clamp, a translation device and a turning tool, the turning tool is arranged on the upper side of the turning and curling clamp, the turning tool is connected with the translation device and reciprocates along the direction perpendicular to the turning and curling clamp, and the turning and curling clamp is connected with a turning and curling motor for driving the turning and curling clamp to rotate.
Compared with the prior art, the invention has the beneficial effects that:
this inside curling pressure cooker pot body preparation forming technology is once with pot body stretch forming, avoid the pot body to appear kick-backing at the secondary stretching in-process, the machining precision of the pot body has been guaranteed, after pot body locking portion locks the pot body, the punching press of passing through pressure limit portion to blank pressing material, form the pot mouth, avoid the secondary stretching in-process problem that panel fracture appears, the requirement that the pressure cooker closed the function to the pot body has been satisfied to pot body inside curl, the pressure cooker body of preparation forming technology above adopting, the fracture phenomenon of production process has been stopped, high product precision, the qualification rate is improved, and the production cost is reduced.
Drawings
Fig. 1 is a schematic front sectional view of a secondary drawing die.
Fig. 2 is a perspective view of the inside curling apparatus.
Fig. 3 is a partially enlarged view of a portion a in fig. 2.
Fig. 4 is a perspective view of the turn-hemming device.
Fig. 5 is a partially enlarged view of B in fig. 4.
In the figure: 1. the device comprises a male die 2, a flaring die 3, a locking ring 4, an upper blank holder 5, a lower blank holder 6, a hemming frame 7, a hemming motor 8, a hemming main shaft 9, a hemming clamp 10, a hemming sheet lifting frame 11, a hemming lifting cylinder 12, a pre-tightening spring 13, a supporting block 14, a supporting plate 15, a pre-tightening shaft 16, a hemming turning frame 17, a hemming turning motor 18, a hemming turning main shaft 19, a hemming turning lifting frame 20, a hemming lifting cylinder 21, a translation cylinder 22, a translation frame 23, a cutter bar 24, a turning tool 25, a hemming wheel 26 and a locking cylinder.
Detailed Description
Fig. 1 to 5 are preferred embodiments of the present invention, and the present invention will be further described with reference to fig. 1 to 5.
A process for manufacturing and forming a pot body of an internal curling pressure cooker comprises the following steps:
step 1) stretching the plate into a pot body at one time, stretching the diameter and height of the pot body to required size at one time, and reserving an edge pressing material.
Firstly, a plate is punched by a punch press and is punched into a circular sheet shape. And then, stretching the sheet material in a circular sheet shape once to form a pot body, stretching the diameter and the height of the pot body once to reach the required size, and reserving enough edge pressing materials.
And 2) placing the pot body on a secondary stretching die to perform secondary stretching, wherein the secondary stretching die is provided with a pot body locking part and a blank pressing part, the pot body locking part locks the pot body, and the blank pressing part punches blank pressing materials to form a pot opening with the diameter larger than that of the pot body.
As shown in fig. 1: the secondary drawing die comprises a male die 1, an upper blank holder 4, a lower blank holder 5 and a locking ring 3, wherein the lower blank holder 5 is in a vertically arranged circular ring shape, the upper blank holder 4 is in a circular ring shape with a closed upper end, the upper blank holder 4 is coaxially arranged right above the lower blank holder 5, the upper blank holder 4 or the lower blank holder 5 is connected with a power device for driving the upper blank holder to lift, the power device is a blank holder oil cylinder, the power device can also be realized through a motor and a cam mechanism, and in the embodiment, the lower blank holder 5 is connected with a blank holder oil cylinder for driving the lower blank holder to lift. The lower side of the male die 1 is coaxially provided with a flaring die 2, the diameter of the flaring die 2 is larger than that of the male die 1, the diameter of the flaring die 2 is smaller than the inner diameter of the upper blank holder 4, the lower part of the male die 1 is arranged in the lower blank holder 5 in a sliding manner, and a blank holder part is formed between the flaring die 2 and the upper blank holder 4.
And a punching oil cylinder is arranged at the lower side of the flaring die 2, is connected with the flaring die 2 and pushes the flaring die to lift, and the male die 1 synchronously lifts along with the flaring die 2. The lower part of the locking ring 3 is provided with an inner concave part matched with the top of the male die 1, the upper part of the male die 1 extends into the locking ring 3, and a pot body locking part for locking the pot body is formed between the flaring die 2 and the lower part of the locking ring 3. The locking ring 3 is provided with a locking oil cylinder 26 on the upper side, a piston rod of the locking oil cylinder 26 is connected with the locking ring 3 and drives the locking ring to lift, and the locking ring 3 is arranged in the upper blank holder 4 and is arranged in a sliding way relative to the upper blank holder 4.
The once-stretched pot body is placed on the male die 1, then the locking oil cylinder 26 pushes the locking ring 3 to move downwards and is matched with the flaring die 2 to lock the pot body, and then the blank pressing oil cylinder drives the lower blank pressing ring 5 to move upwards and enables the lower blank pressing ring 5 and the upper blank pressing ring 4 to be matched and clamped to press the rim charge. The stamping oil cylinder pushes the male die 1 and the flaring die 2 to ascend, overcomes the pressure of the locking oil cylinder 26 to push the locking ring 3 to ascend simultaneously, and performs secondary stamping on the pot body to form a pot opening.
And 3) after removing the excess materials at the pot opening, inward curling the edge of the pot opening.
Removing the excess materials of the pot opening, then curling the edge of the pot opening inwards in a rolling mode, and curling the pot opening through an internal curling device.
As shown in FIGS. 2 to 3: the internal hemming device comprises a hemming clamp 9, a hemming wheel 25, a hemming lifting device and a hemming frame 6, wherein a hemming main shaft 8 is rotatably installed at the lower part of the hemming frame 6, the hemming main shaft 8 is vertically arranged, a hemming motor 7 is installed at one side of the bottom of the hemming frame 6, and an output shaft of the hemming motor 7 is connected with the hemming main shaft 8 through a V-shaped belt and drives the hemming main shaft to rotate. The edge curling clamp 9 is cylindrical, the upper opening of the upper side of the edge curling clamp is arranged in the edge curling clamp 9, the opening of the pan body extends out of the edge curling clamp 9, and the edge curling clamp 9 is provided with an electromagnet for clamping the pan body. The hemming jig 9 is coaxially installed at an upper side of the hemming main shaft 8 and rotates in synchronization with the hemming main shaft 8.
The upper portion of the hemming frame 6 is provided with a vertical hemming guide rod, the hemming lifting device comprises a hemming lifting frame 10 and a hemming lifting cylinder 11, and the hemming lifting frame 10 is slidably mounted on the hemming guide rod, so that the hemming lifting frame 10 is guaranteed to linearly lift. The curling lifting cylinder 11 is vertically arranged on the upper side of the curling frame 6, and a piston rod of the curling lifting cylinder 11 is connected with the curling lifting frame 10 and pushes the curling lifting frame to lift.
The hemming wheel 25 is rotatably arranged at the lower side of the hemming lifting frame 10, the hemming wheel 25 is uniformly distributed around the central line of the hemming clamp 9 at intervals and is provided with a plurality of hemming wheels, and in the embodiment, the hemming wheels 25 are uniformly distributed around the central line of the hemming clamp 9 at intervals and are three. The hemming wheel 25 is arranged along the radial direction of the hemming clamp 9, a hemming groove is arranged in the middle of the surrounding hemming wheel 25, and the diameter of one end, facing the inside of the hemming clamp 9, of the hemming wheel 25 is smaller than that of the other end of the hemming wheel 25, so that the pan opening can be hemmed inwards.
Vertical supporting plates 14 are arranged on two sides of the hemming frame 6, the supporting plates 14 are symmetrically arranged on two sides of the hemming clamp 9, and a supporting block 13 is arranged on each supporting plate 14. The hemming lifting frame 10 is provided with a vertical pre-tightening shaft 15, the pre-tightening shaft 15 is vertically arranged, the pre-tightening shafts 15 correspond to the supporting blocks 13 one by one, the supporting blocks 13 are provided with guide holes for the pre-tightening shafts 15 to pass through, and the lower ends of the pre-tightening shafts 15 penetrate through the guide holes in the supporting blocks 13 on the corresponding sides and then extend out downwards.
The pre-tightening spring 12 is sleeved on the pre-tightening shaft 15 between the supporting block 13 and the curling lifting frame 10, the pre-tightening spring 12 is in a compression state, the upper end of the pre-tightening spring 12 is supported on the curling lifting frame 10, and the lower end of the pre-tightening spring is supported on the supporting block 13, so that the curling wheel 25 and the pot opening are more reliably pressed.
And 4) turning the inner side of the pot opening and trimming the turned edge.
Turning the inner side of the pot opening by a turned edge device, and trimming the turned edge.
As shown in FIGS. 4-5: the turning and hemming device comprises a turning and hemming clamp, a translation device, a turning tool 24 and a turning and hemming frame 16, wherein a turning and hemming main shaft 18 is rotatably installed at the lower part of the turning and hemming frame 16, the turning and hemming main shaft 18 is vertically arranged, a turning and hemming motor 17 is installed on one side of the lower part of the turning and hemming frame 16, and an output shaft of the turning and hemming motor 17 is connected with the turning and hemming main shaft 18 through a V-shaped belt. The turning edge clamp is arranged on the turning edge main shaft 18 and synchronously rotates along with the turning edge main shaft, and the turning edge clamp is an electromagnet, so that the pot body can be conveniently clamped and taken down. The translation device is installed on the turn-hemming frame 16, the turning tool 24 is installed on the translation device, and the turning tool 24 is arranged on the upper side of the turn-hemming clamp.
The turning edge device further comprises a turning edge lifting device, the turning edge lifting device is installed on the turning edge frame 16, the translation device is installed on the turning edge lifting device and synchronously lifted along with the turning edge lifting device, and therefore the turning tool 24 is moved, the cutting edge of the turning tool 24 is attached to the inner side of the pot opening, the inner side of the pot opening is turned, and meanwhile, the turning edge of the pot opening is trimmed.
The vehicle hemming lifting device comprises a vehicle hemming lifting frame 19 and a vehicle hemming lifting cylinder 20, the vehicle hemming lifting frame 19 is arranged on the vehicle hemming frame 16 in a sliding mode, the vehicle hemming lifting cylinder 20 is vertically arranged on the vehicle hemming frame 16, and a piston rod of the vehicle hemming lifting cylinder 20 is connected with the vehicle hemming lifting frame 19 and pushes the vehicle hemming lifting frame to lift.
The translation device comprises a translation oil cylinder 21 and a translation frame 22, the translation frame 22 is slidably mounted on the vehicle hemming lifting frame 19, the translation oil cylinder 21 is mounted on one side of the vehicle hemming lifting frame 19, and a piston rod of the translation oil cylinder 21 is connected with the translation frame 22 and pushes the translation frame to move horizontally.
The turned edge lifting oil cylinder 20 drives the turning tool 24 to lift through the turned edge lifting frame 19, the translation oil cylinder 21 drives the turning tool 24 to horizontally move through the translation frame 22, the turning tool 24 is attached to the inner side of the pot opening, turning of the inner side of the pot opening is achieved, and turned edges are trimmed.
The foregoing is directed to preferred embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope of the technical solution of the present invention.
Claims (10)
1. A process for manufacturing and forming a pot body of an internal curling pressure cooker is characterized in that: the method comprises the following steps:
step 1) stretching a plate into a pot body at one time, stretching the diameter and the height of the pot body to required dimensions at one time, and reserving an edge pressing material;
step 2) placing the pot body on a secondary stretching die for secondary stretching, wherein the secondary stretching die is provided with a pot body locking part and a blank pressing part, the pot body locking part locks the pot body, and the blank pressing part punches blank pressing materials to form a pot opening with the diameter larger than that of the pot body;
step 3) removing excess materials of the pot opening, and then curling the edge of the pot opening inwards;
and 4) turning the inner side of the pot opening and trimming the turned edge.
2. The process for manufacturing and forming the pot body of the internal curling pressure cooker as claimed in claim 1, wherein: punching the plate in the step 1) into a circular sheet shape and then stretching for the first time.
3. The process for manufacturing and forming the pot body of the internal curling pressure cooker as claimed in claim 1, wherein: the secondary drawing die in the step 2) comprises a male die (1), an upper blank holder (4) and a lower blank holder (5), wherein the upper blank holder (4) is arranged right above the lower blank holder (5), the upper part of the male die (1) is arranged in the lower blank holder (4) in a sliding manner, the male die (1) is connected with a punching oil cylinder for driving the male die to lift, an expanding die (2) with the diameter larger than that of the upper part is arranged on the lower side of the male die (1) to form the blank holder part, and the upper blank holder (4) or the lower blank holder (5) is connected with a power device for driving the male die to lift.
4. The process for manufacturing and forming the pot body of the internal curling pressure cooker as claimed in claim 3, wherein: the secondary drawing die in the step 2) further comprises a locking ring (3), the locking ring (3) is arranged in the upper blank holder (4) in a sliding mode, the upper portion of the male die (1) extends into the locking ring (3), a pan body locking portion is formed between the flaring die (2) and the bottom of the locking ring (3), and the locking ring (3) is connected with a locking oil cylinder (26) for pushing the locking ring to ascend and descend.
5. The process for manufacturing and forming the pot body of the internal curling pressure cooker as claimed in claim 1, wherein: curling the pot mouth in the step 3) in a rolling manner.
6. The process for manufacturing and forming the inner curled pressure cooker body according to claim 1 or 5, wherein: and (3) curling the pot opening through an internal curling device.
7. The process for manufacturing and forming the pot body of the internal-curling pressure cooker as claimed in claim 6, wherein: the internal curling device comprises a curling clamp (9) and a curling wheel (25), the curling wheel (25) is arranged on the upper side of the curling clamp (9), the middle of the curling wheel (25) is provided with an inwards concave curling groove, the diameter of one end, facing the inner side of the pot body, of the curling wheel (25) is smaller than that of the other end of the pot body, and the curling clamp (9) is connected with a curling motor (7) for driving the curling wheel to rotate.
8. The process for forming a pot body of an internally curled pressure cooker according to claim 7, wherein: the hemming wheel (25) is arranged on the hemming lifting device, and the hemming wheel (25) is uniformly distributed around the central line of the hemming clamp (9) at intervals.
9. The process for manufacturing and forming the pot body of the internal curling pressure cooker as claimed in claim 1, wherein: turning the pot mouth in the step 4) through a turning and curling device.
10. The process for forming a pot body of an internally curled pressure cooker according to claim 9, wherein: the turning and crimping device comprises a turning and crimping clamp, a translation device and a turning tool (24), wherein the turning tool (24) is arranged on the upper side of the turning and crimping clamp, the turning tool (24) is connected with the translation device and reciprocates along the direction perpendicular to the turning and crimping clamp, and the turning and crimping clamp is connected with a turning and crimping motor (17) for driving the turning and crimping clamp to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010863506.0A CN111974894B (en) | 2020-08-25 | 2020-08-25 | Process for manufacturing and forming pot body of pressure cooker with inward curled edge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010863506.0A CN111974894B (en) | 2020-08-25 | 2020-08-25 | Process for manufacturing and forming pot body of pressure cooker with inward curled edge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111974894A true CN111974894A (en) | 2020-11-24 |
| CN111974894B CN111974894B (en) | 2022-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010863506.0A Active CN111974894B (en) | 2020-08-25 | 2020-08-25 | Process for manufacturing and forming pot body of pressure cooker with inward curled edge |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116618859A (en) * | 2023-07-18 | 2023-08-22 | 南京蕾洛厨具工程有限公司 | Pot edge laser cutting machine for kitchen ware machining |
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| CN108787884A (en) * | 2017-05-05 | 2018-11-13 | 浙江乐酷厨具有限公司 | For producing the mold with handle aluminium slaughterhouse and using the production method of the mold |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101648245A (en) * | 2008-08-13 | 2010-02-17 | 王勇 | Method for manufacturing aluminum pot |
| JP2010247172A (en) * | 2009-04-14 | 2010-11-04 | Nisshin Steel Co Ltd | Method of deep-drawing metal sheet cylindrically |
| CN102871537A (en) * | 2011-07-15 | 2013-01-16 | 美的集团有限公司 | Outer pot processing method of electric pressure cooker and outer pot manufactured by same |
| CN205362408U (en) * | 2016-02-04 | 2016-07-06 | 王新田 | Integrative pot stamping die |
| CN107685097A (en) * | 2016-08-05 | 2018-02-13 | 上海万盛保温容器有限公司 | Cool-bag metal-back stack shell Surface Machining and automatic rolling equipment and processing technology |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116618859A (en) * | 2023-07-18 | 2023-08-22 | 南京蕾洛厨具工程有限公司 | Pot edge laser cutting machine for kitchen ware machining |
| CN116618859B (en) * | 2023-07-18 | 2023-09-29 | 南京蕾洛厨具工程有限公司 | Pot edge laser cutting machine for kitchen ware machining |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111974894B (en) | 2022-03-11 |
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