CN107952894A - A kind of freezer liner bottom plate fillet riveting mechanism - Google Patents
A kind of freezer liner bottom plate fillet riveting mechanism Download PDFInfo
- Publication number
- CN107952894A CN107952894A CN201711188478.1A CN201711188478A CN107952894A CN 107952894 A CN107952894 A CN 107952894A CN 201711188478 A CN201711188478 A CN 201711188478A CN 107952894 A CN107952894 A CN 107952894A
- Authority
- CN
- China
- Prior art keywords
- fillet
- horizontal
- rack
- bar
- riveting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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
- B21D39/03—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 otherwise than by folding
- B21D39/031—Joining superposed plates by locally deforming without slitting or piercing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Refrigerator Housings (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention discloses a kind of freezer liner bottom plate fillet riveting mechanism, including horizontal fillet edge-folding mechanism, fillet pressing plate edge-folding mechanism and fillet riveting rack.Horizontal fillet edge-folding mechanism is located at the lower section of fillet pressing plate edge-folding mechanism.Horizontal fillet edge-folding mechanism includes horizontal fillet hemming die bar and fillet horizontal air cylinder.Horizontal fillet hemming die bar be installed on fillet riveting rack on, and can under the driving of fillet horizontal air cylinder horizontal shifting.Fillet pressing plate edge-folding mechanism includes fillet vertical cylinder, fillet mould bar crane, fillet clamp block and vertical fillet hemming die bar.Fillet mould bar crane is installed in fillet riveting rack, can be lifted under the driving of fillet vertical cylinder.Fillet clamp block is installed on the lower section of fillet mould bar crane by spring stack mechanism.Vertical fillet hemming die bar is fixed on the lower section of fillet mould bar crane.The front end face of horizontal fillet hemming die bar and vertical fillet hemming die bar is equipped with the die cavity that horizontal cross-section is in circular arc.
Description
Technical field
The present invention relates to freezer liner automated production equipment.
Background technology
Freezer liner coaming plate is used to isolate freezer liner and refrigeration device.Freezer liner coaming plate is usually by Figured aluminium plate system
Into.In general, freezer liner coaming plate adds again after becoming degree of lip-rounding coaming plate after mutually being riveted as the U-shaped coaming plate made by two pieces of Figured aluminium plates
Formed after upper plate riveting.Become a degree of lip-rounding coaming plate after small one and large one riveting of two U-shaped coaming plates, then degree of lip-rounding coaming plate again with
After Z-shaped bottom plate riveting, formation has step-like freezer liner coaming plate.Under the prior art, by two blocks of U-shaped coaming plates and Z-shaped bottom plate
Between riveting by being accomplished manually.
Z-shaped a total of ten sidelines of bottom plate.Two of which sideline is bending line, and without riveting, remaining eight sides line is both needed to
Rivet.It is arc chord angle between the side line and end edge line of eight sides line.When being riveted between degree of lip-rounding coaming plate and Z-shaped bottom plate, not only
Need to rivet sideline, it is also necessary to which the arc chord angle at offside sideline and end edge line right angle is riveted.
The content of the invention
Problem to be solved by this invention：The arc chord angle of bottom plate and coaming plate to freezer liner carries out corner riveting.
To solve the above problems, the scheme that the present invention uses is as follows：
A kind of freezer liner bottom plate fillet riveting mechanism, including horizontal fillet edge-folding mechanism, fillet pressing plate edge-folding mechanism and circle
Angle rivets rack；The horizontal fillet edge-folding mechanism is located at the lower section of the fillet pressing plate edge-folding mechanism；The horizontal fillet folding
Side mechanism includes horizontal fillet hemming die bar and fillet horizontal air cylinder；Horizontal fillet hemming die bar is installed on the fillet riveting machine
On frame, be connected with fillet horizontal air cylinder, and can under the driving of fillet horizontal air cylinder horizontal shifting；Horizontal fillet flanging
Mould bar front end face is equipped with the die cavity that horizontal cross-section is in circular arc；The fillet pressing plate edge-folding mechanism includes fillet vertical cylinder, circle
Angle mould bar crane, fillet clamp block and vertical fillet hemming die bar；Fillet mould bar crane is riveted installed in the fillet
In rack, it is connected with fillet vertical cylinder, and can be lifted under the driving of fillet vertical cylinder；Fillet clamp block passes through spring stack
Mechanism is installed on the lower section of fillet mould bar crane；Vertical fillet hemming die bar is fixed on the lower section of fillet mould bar crane；It is perpendicular
The front end face of straight fillet hemming die bar is equipped with the die cavity that horizontal cross-section is in circular arc；The fillet of the die cavity and freezer liner bottom plate
Match.
Further, the horizontal fillet edge-folding mechanism further includes fillet pan carriage；Fillet pan carriage is installed on the fillet
Rivet in rack；Horizontal fillet hemming die bar is then installed on the front end of fillet pan carriage；Fillet pan carriage connects fillet horizontal gas
Cylinder, and can under the driving of fillet horizontal air cylinder horizontal shifting.
Further, fillet pan carriage is installed on the fillet by sliding block and slide and rivets in rack.
Further, the rear of fillet clamp block is equipped with the card convex that horizontal cross-section is in circular arc；Fillet clamp block passes through the card
Convex clip is in the die cavity on the front end face of vertical fillet hemming die bar, and can be relative to vertical fillet hemming die bar along the mould
Groove in the vertical direction moves.
Further, the fillet riveting rack includes two pieces of rack side boards, rack top plate, chassis backplane, framework soleplate；
Framework soleplate is horizontally disposed with；Two pieces of rack side boards are vertically arranged on framework soleplate；Rack top plate is arranged on two pieces of rack sides
The top of plate；Chassis backplane, which is set, to be arranged between two pieces of rack side boards, and perpendicular with two pieces of rack side boards.
Further, the horizontal fillet edge-folding mechanism further includes fillet pan carriage；Fillet pan carriage is installed on the fillet
Rivet in rack；Horizontal fillet hemming die bar is then installed on the front end of fillet pan carriage；Fillet pan carriage connects fillet horizontal gas
Cylinder, and can under the driving of fillet horizontal air cylinder horizontal shifting.
Further, fillet pan carriage is installed on framework soleplate by sliding block and slide.
Further, fillet vertical cylinder is installed on rack top plate；Fillet mould bar crane is pacified by guide post guide sleeve mechanism
Mounted in the lower section of rack top plate.
The technique effect of the present invention is as follows：The fillet riveting mechanism of the present invention passes through horizontal fillet edge-folding mechanism and fillet pressure
The riveting of fillet between freezer liner bottom plate and coaming plate is realized in plate three step operations of edge-folding mechanism point.
Brief description of the drawings
Fig. 1 and Fig. 2 is the stereochemical structure view of different visual angles of the embodiment of the present invention.
Fig. 3, Fig. 4 and Fig. 5 are the fundamental diagrams of the embodiment of the present invention.
Embodiment
The present invention is described in further details below in conjunction with the accompanying drawings.
As shown in Figure 1 and Figure 2, a kind of freezer liner bottom plate fillet riveting mechanism, including horizontal fillet edge-folding mechanism, fillet
Pressing plate edge-folding mechanism and fillet riveting rack.Horizontal fillet edge-folding mechanism and fillet pressing plate edge-folding mechanism is riveted installed in fillet
In rack.Horizontal fillet edge-folding mechanism is located at the lower section of fillet pressing plate edge-folding mechanism.Fillet riveting rack includes two pieces of frame sides
Side plate 421, rack top plate 422, chassis backplane 423, framework soleplate 424.Framework soleplate 424 is horizontally disposed.Two pieces of rack sides
Plate 421 is vertically arranged at the both sides of framework soleplate 424.Rack top plate 422 is arranged on the top of two pieces of rack side boards 421.Rack
Backboard 423, which is set, to be arranged between two pieces of rack side boards 421, and perpendicular with two pieces of rack side boards 421.
Horizontal fillet edge-folding mechanism includes fillet pan carriage 431, horizontal fillet hemming die bar 432 and fillet horizontal air cylinder
433.Fillet pan carriage 431 is installed on fillet by sliding block 435 and slide 434 and rivets on the framework soleplate 424 of rack, and can
Moved horizontally along slide 434.Horizontal fillet hemming die bar 432 is installed on the front end of fillet pan carriage 431.Fillet horizontal air cylinder
433 are installed on the chassis backplane 423 of fillet riveting rack, the rear end of its piston connection fillet pan carriage 431.Horizontal fillet folding
Mould bar 432 front end face in side is equipped with the die cavity that horizontal cross-section is in circular arc.
Fillet pressing plate edge-folding mechanism include fillet vertical cylinder 441, fillet mould bar crane 442, fillet clamp block 443 with
And vertical fillet hemming die bar 444.Fillet mould bar crane 442 is installed on fillet by guide post guide sleeve mechanism 4421 and rivets rack
Rack top plate 422 lower section.Fillet vertical cylinder 441 is installed on the top of rack top plate 422, its piston connection fillet mould bar
Crane 442.Fillet clamp block 443 is installed on the lower section of fillet mould bar crane 442 by spring stack mechanism 4431.Vertical circle
Angle hemming die bar 444 is fixed on the lower section of fillet mould bar crane 442.Vertical fillet hemming die bar 444 is blocks, front end face
It is equipped with the die cavity that horizontal cross-section is in circular arc.The rear of fillet clamp block 443 is equipped with the card convex that horizontal cross-section is in circular arc.Fillet pressure
Plate 443 is stuck in by card convex in the die cavity on the front end face of vertical fillet hemming die bar 444, and can be relative to vertical fillet
Hemming die bar 444 is moved along die cavity in the vertical direction.
The present embodiment operation principle is as shown in Fig. 3, Fig. 4, Fig. 5.In Fig. 3, Fig. 4, Fig. 5,3901 be bottom plate, usually Z-shaped
Bottom plate can also be tablet bottom plate, and 4903 be bottom plate fillet bending edges, and 3902 be coaming plate, that is, size U-shaped coaming plate or mouth
Shape coaming plate, 4904 be coaming plate fillet bending edges, and 1901 be the circular arc corner supporting block on liner supporting mechanism.Bottom plate fillet bending edges
4903 and coaming plate fillet bending edges 4904 be 90 degree of bendings at fillet.Bottom plate 3901 and coaming plate 3902 are perpendicular.Work as refrigerator
Liner degree of lip-rounding coaming plate and bottom plate be placed on liner supporting mechanism after structure, as shown in Figure 3.The freezer liner bottom of the present embodiment
After plate fillet riveting mechanism is moved at bottom plate fillet, riveting process is as follows：First, fillet vertical cylinder 441 drives fillet mould
Bar crane 442 pushes, and when fillet clamp block 443 is pressed on circular arc corner supporting block 1901, fillet mould bar crane 442 stops
Downlink.At this time, vertical 444 bottom surface of fillet hemming die bar is flushed with 443 bottom surface of fillet clamp block.Then, fillet horizontal air cylinder 433
Horizontal fillet hemming die bar 432 is driven to press forward so that 4903 inside bending of bottom plate fillet bending edges so that the side of bottom plate 3901
Edge point, coaming plate fillet bending edges 4904 and bottom plate fillet bending edges 4903 are stacked synthesis three layers of edge knot as shown in Figure 4
Structure 4905.Afterwards, the horizontal retraction of fillet hemming die bar 432 of 433 driving of fillet horizontal air cylinder allows for vertical fillet hemming die bar 444
Position.Subsequently, fillet vertical cylinder 441 continues to drive fillet mould bar crane 442 to push, and at this time, fillet clamp block 443 is pressed in
On circular arc corner supporting block 1901, and vertical fillet hemming die bar 444 continues to push, by three layers of 4905 downward bending of marginal texture,
Four layers of corner as shown in Figure 5 riveted structure 4906 is formed, completes riveting.
Claims (8)
1. a kind of freezer liner bottom plate fillet riveting mechanism, it is characterised in that rolled over including horizontal fillet edge-folding mechanism, fillet pressing plate
Side mechanism and fillet riveting rack；The horizontal fillet edge-folding mechanism is located at the lower section of the fillet pressing plate edge-folding mechanism；Institute
Stating horizontal fillet edge-folding mechanism includes horizontal fillet hemming die bar (432) and fillet horizontal air cylinder (433)；Horizontal fillet hemming die
Bar (432) is installed in fillet riveting rack, is connected with fillet horizontal air cylinder (433), and can be in fillet horizontal air cylinder
(433) horizontal shifting under driving；Horizontal fillet hemming die bar (432) front end face is equipped with the mould that horizontal cross-section is in circular arc
Groove；The fillet pressing plate edge-folding mechanism includes fillet vertical cylinder (441), fillet mould bar crane (442), fillet clamp block
(443) and vertical fillet hemming die bar (444)；Fillet mould bar crane (442) is installed in fillet riveting rack, with
Fillet vertical cylinder (441) is connected, and can be lifted under fillet vertical cylinder (441) driving；Fillet clamp block (443) passes through
Spring stack mechanism (4431) is installed on the lower section of fillet mould bar crane (442)；Vertical fillet hemming die bar (444) is fixed on circle
The lower section of angle mould bar crane (442)；The front end face of vertical fillet hemming die bar (444) is equipped with the mould that horizontal cross-section is in circular arc
Groove；The fillet of the die cavity and freezer liner bottom plate matches.
2. freezer liner bottom plate fillet riveting mechanism as claimed in claim 1, it is characterised in that the horizontal fillet folding brake
Structure further includes fillet pan carriage (431)；Fillet pan carriage (431) is installed in fillet riveting rack；Horizontal fillet flanging
Mould bar (432) is then installed on the front end of fillet pan carriage (431)；Fillet pan carriage (431) connection fillet horizontal air cylinder (433),
And can under the driving of fillet horizontal air cylinder (433) horizontal shifting.
3. freezer liner bottom plate fillet riveting mechanism as claimed in claim 2, it is characterised in that fillet pan carriage (431) is logical
Cross sliding block and slide is installed in fillet riveting rack.
4. freezer liner bottom plate fillet riveting mechanism as claimed in claim 1, it is characterised in that fillet clamp block (443)
Rear is equipped with the card convex that horizontal cross-section is in circular arc；Fillet clamp block (443) is stuck in vertical fillet hemming die bar by the card convex
(444) in the die cavity on front end face, and can relative to vertical fillet hemming die bar (444) along the die cavity in vertical direction
Upper movement.
5. freezer liner bottom plate fillet riveting mechanism as claimed in claim 1, it is characterised in that the fillet rivets rack bag
Include two pieces of rack side boards (421), rack top plate (422), chassis backplane (423), framework soleplate (424)；Framework soleplate (424)
It is horizontally disposed；Two pieces of rack side boards (421) are vertically arranged on framework soleplate (424)；Rack top plate (422) is arranged on two pieces of machines
The top of frame side board (421)；Chassis backplane (423), which is set, to be arranged between two pieces of rack side boards (421), and with two pieces of racks
Side board (421) is perpendicular.
6. freezer liner bottom plate fillet riveting mechanism as claimed in claim 5, it is characterised in that the horizontal fillet folding brake
Structure further includes fillet pan carriage (431)；Fillet pan carriage (431) is installed in fillet riveting rack；Horizontal fillet flanging
Mould bar (432) is then installed on the front end of fillet pan carriage (431)；Fillet pan carriage (431) connection fillet horizontal air cylinder (433),
And can under the driving of fillet horizontal air cylinder (433) horizontal shifting.
7. freezer liner bottom plate fillet riveting mechanism as claimed in claim 6, it is characterised in that fillet pan carriage (431) is logical
Cross sliding block and slide is installed on framework soleplate (424).
8. freezer liner bottom plate fillet riveting mechanism as claimed in claim 5, it is characterised in that fillet vertical cylinder (441)
On rack top plate (422)；Fillet mould bar crane (442) is installed on rack top plate by guide post guide sleeve mechanism (4421)
(422) lower section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711188478.1A CN107952894B (en) | 2017-11-24 | 2017-11-24 | Refrigerator liner bottom plate fillet riveting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711188478.1A CN107952894B (en) | 2017-11-24 | 2017-11-24 | Refrigerator liner bottom plate fillet riveting mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107952894A true CN107952894A (en) | 2018-04-24 |
| CN107952894B CN107952894B (en) | 2023-10-20 |
Family
ID=61961875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711188478.1A Active CN107952894B (en) | 2017-11-24 | 2017-11-24 | Refrigerator liner bottom plate fillet riveting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107952894B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112512718A (en) * | 2018-06-26 | 2021-03-16 | 罗兰·鲁根贝格 | Joining sheet metal end sections by forming |
| CN113560424A (en) * | 2021-07-27 | 2021-10-29 | 青岛科博尔智能装备有限公司 | Freezer outer container riveting production line that punctures |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19839268A1 (en) * | 1997-08-29 | 1999-04-22 | Viktor Liberda | Folded joint for joining two sheets to make components of parallelepiped section |
| DE10011854A1 (en) * | 2000-03-10 | 2001-09-20 | Edag Eng & Design Ag | Roll folding head for creating sheet metal fold joint has fixed-tension spring in spring cage supported on one side by carrier and on other by force measurer |
| JP2003320428A (en) * | 2002-04-26 | 2003-11-11 | Takatsu Seisakusho:Kk | Hemming device |
| CN101001707A (en) * | 2004-08-16 | 2007-07-18 | Abb法国公司 | Crimping tool |
| CN101360573A (en) * | 2005-12-05 | 2009-02-04 | 本田技研工业株式会社 | Hemming working method and working apparatus |
| CN104923678A (en) * | 2015-06-09 | 2015-09-23 | 青岛润泽工业装备有限公司 | Aluminum plate liner meshing device |
| CN104959471A (en) * | 2015-06-09 | 2015-10-07 | 青岛润泽工业装备有限公司 | Galvanized sheet refrigerator liner bottom riveting device |
| CN205784176U (en) * | 2016-06-07 | 2016-12-07 | 青岛海尔特种电冰柜有限公司 | Refrigeration plant inner bag and refrigeration plant |
| CN107030159A (en) * | 2017-06-20 | 2017-08-11 | 安徽鲲鹏装备模具制造有限公司 | A kind of synchronous end flaps machine not in the same direction of plate both-end |
| CN107309309A (en) * | 2017-07-13 | 2017-11-03 | 安徽鲲鹏装备模具制造有限公司 | A kind of four fillet corner folding brakes |
| CN207709708U (en) * | 2017-11-24 | 2018-08-10 | 安徽鲲鹏装备模具制造有限公司 | A kind of freezer liner bottom plate fillet riveting mechanism |
-
2017
- 2017-11-24 CN CN201711188478.1A patent/CN107952894B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19839268A1 (en) * | 1997-08-29 | 1999-04-22 | Viktor Liberda | Folded joint for joining two sheets to make components of parallelepiped section |
| DE10011854A1 (en) * | 2000-03-10 | 2001-09-20 | Edag Eng & Design Ag | Roll folding head for creating sheet metal fold joint has fixed-tension spring in spring cage supported on one side by carrier and on other by force measurer |
| JP2003320428A (en) * | 2002-04-26 | 2003-11-11 | Takatsu Seisakusho:Kk | Hemming device |
| CN101001707A (en) * | 2004-08-16 | 2007-07-18 | Abb法国公司 | Crimping tool |
| CN101360573A (en) * | 2005-12-05 | 2009-02-04 | 本田技研工业株式会社 | Hemming working method and working apparatus |
| CN104923678A (en) * | 2015-06-09 | 2015-09-23 | 青岛润泽工业装备有限公司 | Aluminum plate liner meshing device |
| CN104959471A (en) * | 2015-06-09 | 2015-10-07 | 青岛润泽工业装备有限公司 | Galvanized sheet refrigerator liner bottom riveting device |
| CN205784176U (en) * | 2016-06-07 | 2016-12-07 | 青岛海尔特种电冰柜有限公司 | Refrigeration plant inner bag and refrigeration plant |
| CN107030159A (en) * | 2017-06-20 | 2017-08-11 | 安徽鲲鹏装备模具制造有限公司 | A kind of synchronous end flaps machine not in the same direction of plate both-end |
| CN107309309A (en) * | 2017-07-13 | 2017-11-03 | 安徽鲲鹏装备模具制造有限公司 | A kind of four fillet corner folding brakes |
| CN207709708U (en) * | 2017-11-24 | 2018-08-10 | 安徽鲲鹏装备模具制造有限公司 | A kind of freezer liner bottom plate fillet riveting mechanism |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112512718A (en) * | 2018-06-26 | 2021-03-16 | 罗兰·鲁根贝格 | Joining sheet metal end sections by forming |
| CN112512718B (en) * | 2018-06-26 | 2024-02-27 | 罗兰·鲁根贝格 | Joining sheet metal end sections by forming |
| US11986873B2 (en) | 2018-06-26 | 2024-05-21 | Roland Ruegenberg | Connecting sheet metal end sections by means of forming |
| CN113560424A (en) * | 2021-07-27 | 2021-10-29 | 青岛科博尔智能装备有限公司 | Freezer outer container riveting production line that punctures |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107952894B (en) | 2023-10-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203141101U (en) | Automatic change binding riveting machine that punches a hole | |
| CN205110456U (en) | Pterygoid lamina forming device that bends under vertical semitrailer | |
| CN107952894A (en) | A kind of freezer liner bottom plate fillet riveting mechanism | |
| CN206951901U (en) | A kind of edge-folding mechanism of band auxiliary discharging | |
| CN208050760U (en) | A kind of freezer liner fillet riveting mechanism of band auxiliary pressing plate | |
| CN207709708U (en) | A kind of freezer liner bottom plate fillet riveting mechanism | |
| CN108160835A (en) | A kind of four fillet clinching method of freezer liner bottom plate | |
| CN207929811U (en) | A kind of deep throat bender | |
| CN106583535B (en) | A kind of ellipse punching die | |
| CN205767686U (en) | Separate support machine for sheet material | |
| CN202212448U (en) | Corrugated plate punching device | |
| CN202199675U (en) | Floating punch | |
| CN208050757U (en) | A kind of freezer liner fillet riveting mechanism of self-supporting | |
| KR101560141B1 (en) | 4 Apparatus for changing of hemming-die for four vehicle types | |
| CN207709702U (en) | A kind of riveting mechanism for the riveting of freezer liner bottom plate fillet | |
| CN108339894A (en) | A kind of control system and method for the freezer liner fillet riveting mechanism of self-supporting | |
| CN208050759U (en) | A kind of double short side corner line riveting mechanisms of roll-type freezer liner | |
| CN206578183U (en) | A kind of side-punching mould for Z-shaped sheet metal component sidepiece punching | |
| CN207982106U (en) | A kind of nail riveter structure for freezer liner corner points riveting | |
| CN207709709U (en) | A kind of freezer liner end edge linea angulata riveting mechanism | |
| CN107900238A (en) | A kind of nail riveter structure for freezer liner corner points riveting | |
| CN108284164B (en) | Roller type refrigerator liner double-short-side corner line step-by-step riveting mechanism | |
| CN208050764U (en) | A kind of roll-type freezer liner corner line riveting straight flange pressing plate bending mechanism | |
| CN207982102U (en) | A kind of double vertical corner line riveting mechanisms of freezer liner | |
| CN207709701U (en) | A kind of double vertical edge linea angulata substep riveting mechanisms of freezer liner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |