CN108057796A - A kind of freezer liner preparation method - Google Patents
A kind of freezer liner preparation method Download PDFInfo
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- CN108057796A CN108057796A CN201711188724.3A CN201711188724A CN108057796A CN 108057796 A CN108057796 A CN 108057796A CN 201711188724 A CN201711188724 A CN 201711188724A CN 108057796 A CN108057796 A CN 108057796A
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- shaped
- riveting
- coaming plate
- plate
- bottom plate
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- 238000002360 preparation method Methods 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 claims abstract description 39
- 238000004026 adhesive bonding Methods 0.000 claims abstract description 11
- 238000005452 bending Methods 0.000 claims description 144
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 54
- 229910052782 aluminium Inorganic materials 0.000 claims description 54
- 239000004411 aluminium Substances 0.000 claims description 54
- 238000004080 punching Methods 0.000 claims description 29
- 239000003292 glue Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 230000007246 mechanism Effects 0.000 description 52
- 238000010586 diagram Methods 0.000 description 23
- 238000005520 cutting process Methods 0.000 description 13
- 230000002146 bilateral effect Effects 0.000 description 7
- 230000001360 synchronised effect Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 239000004831 Hot glue Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention discloses a kind of freezer liner preparation methods, are prepared including the big coaming plate of U-shaped, prepared by the small coaming plate of U-shaped, prepared by Z-shaped bottom plate, degree of lip-rounding coaming plate rivets, coaming plate bottom plate rivets and rivet line gluing.The riveting of coaming plate bottom plate include bottom plate rivet in advance, the riveting of four fillets, vertical edge end edge synchronization riveting, side end edge synchronization riveting and the substep riveting of short side side.Riveting synchronizes nail riveting to bottom plate to Z-shaped bottom plate with the multiple point positions chosen on the corner line that degree of lip-rounding coaming plate is combined in advance.The riveting of four fillets rivets four fillets in two steps.Vertical edge end edge synchronization riveting synchronizes riveting to two vertical corner lines and high-end corner line.Side end edge synchronization riveting synchronizes riveting to two long side linea angulatas and low side corner line.The substep riveting of short side side rivets two short side corner line substeps.This method realizes automated production convenient for automated production equipment.
Description
Technical field
The present invention relates to freezer liner production lines.
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
It is 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 and
After Z-shaped bottom plate riveting, being formed 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, do not have full-automatic freezer liner production line.
The content of the invention
Problem to be solved by this invention：The automation of freezer liner production process.
To solve the above problems, the scheme that the present invention uses is as follows：
A kind of freezer liner preparation method includes the small coaming plate of the big coaming plate preparation process of U-shaped, U-shaped and prepares step successively in order
Suddenly, Z-shaped bottom plate preparation process, degree of lip-rounding coaming plate riveting step, coaming plate bottom plate riveting step and rivet line gluing step；
The big coaming plate preparation process of U-shaped is used to Figured aluminium plate being prepared into the big coaming plate of U-shaped；
The small coaming plate preparation process of U-shaped is used to Figured aluminium plate being prepared into the small coaming plate of U-shaped；
The Z-shaped bottom plate preparation process is used to Figured aluminium plate preparing z-shape bottom plate；
The degree of lip-rounding coaming plate riveting step encloses for two end lines of the big coaming plate of U-shaped and the small coaming plate of U-shaped mutually to be riveted into the degree of lip-rounding
Plate；
The coaming plate bottom plate riveting step is used to degree of lip-rounding coaming plate and Z-shaped bottom plate mutually riveting into freezer liner, pre- including bottom plate
Riveting step, four fillet riveting steps, vertical edge end edge synchronization riveting step, side end edge synchronization riveting step and short side side substep riveting step
Suddenly；
The pre- riveting step of bottom plate is used for：That is chosen on the corner line being combined between lip-sync coaming plate and Z-shaped bottom plate is multiple
Point position synchronizes nail riveting, and degree of lip-rounding coaming plate is made mutually to be fixed with Z-shaped bottom plate；
The four fillets riveting step is used for：Bottom plate is in advance after riveting, four circles being combined between lip-sync coaming plate and Z-shaped bottom plate
Angle is riveted；
The vertical edge end edge synchronization riveting step is used for：After the riveting of four fillets, to what is be combined between the big coaming plate of U-shaped and Z-shaped bottom plate
Two vertical corner lines and high-end corner line synchronize riveting；
The side end edge synchronization riveting step is used for：After vertical edge end edge synchronization riveting, to mutually being tied between the big coaming plate of U-shaped and Z-shaped bottom plate
The low side corner line being combined between the two long side linea angulatas and the small coaming plate of U-shaped and Z-shaped bottom plate that close synchronizes riveting；
The short side side substep riveting step is used for：After the end edge synchronization riveting of side, to being combined between the small coaming plate of U-shaped and Z-shaped bottom plate
Two short side corner lines substep riveted；
The rivet line gluing step is used for：To rivet line, the big coaming plate of U-shaped and Z-shaped between the big coaming plate of U-shaped and the small coaming plate of U-shaped
Glue is stamped on the rivet line between the small coaming plate of rivet line and U-shaped and Z-shaped bottom plate between bottom plate.
Further, in the vertical edge end edge synchronization riveting step, two be combined between the big coaming plate of U-shaped and Z-shaped bottom plate are perpendicular
Straight flange linea angulata substep is riveted；When riveting starts, high-end corner line and a vertical corner line start simultaneously at riveting, when this
Vertical corner line is completed to be switched to another vertical corner line after riveting when being riveted, and high-end corner line is constantly in riveting shape
State, until another vertical corner line completes riveting.
Further, in the side end edge synchronization riveting step, two be combined between the big coaming plate of U-shaped and Z-shaped bottom plate are long
Side linea angulata substep is riveted；When riveting starts, low side corner line and a long side linea angulata start simultaneously at riveting, when this
When long side linea angulata is completed to be switched to another long side linea angulata and riveted after riveting, low side corner line is constantly in riveting shape
State, until another long side linea angulata completes riveting.
Further, the four fillets riveting step rivets in two steps；In each step riveting, the fillet opposite to two carries out
Synchronous riveting.
Further, the big coaming plate preparation process of the U-shaped includes big coaming plate blanking process, big coaming plate long side flanging step, big
Coaming plate end edge flanging step, big coaming plate U-shaped bending step；
The big coaming plate blanking process is used for：The required shape of the big coaming plate of U-shaped is punched into three face flangings of Figured aluminium plate, is wrapped
Excision end edge and long side flanging angle redundance are included, 90 degree of flangings of end edge and 135 degree of flanging cut-off rules is punched into, is punched U-shaped folding
Petal flanging at curved fillet；
The big coaming plate long side flanging step is used for：The long side edge of Figured aluminium plate after punching is subjected to 90 degree of flangings；
The big coaming plate end edge flanging step is used for：Flanging, end edge are carried out to the both ends end edge of the Figured aluminium plate after long side flanging
During flanging, the big coaming plate of U-shaped coaming plate phase riveting portion small with U-shaped carries out 135 degree of flangings, the big coaming plate of U-shaped and Z-shaped bottom plate phase caulking part
Divide and carry out 90 degree of flangings；
The big coaming plate U-shaped bending step is used for：Figured aluminium plate after end edge flanging is subjected to circular arc according to freezer liner size
Angle bending is bent into U-shaped and becomes the big coaming plate of U-shaped.
Further, the small coaming plate preparation process of the U-shaped includes small coaming plate blanking process, small coaming plate long side flanging step, small
Coaming plate end edge flanging step, small coaming plate U-shaped bending step；
The small coaming plate blanking process is used for：The required shape of the small coaming plate of U-shaped is punched into three face flangings of Figured aluminium plate, is wrapped
Include the petal flanging at excision end edge and long side flanging angle redundance, punching U-shaped bending fillet；
The small coaming plate long side flanging step is used for：The long side edge of Figured aluminium plate after punching is subjected to 90 degree of flangings；
The small coaming plate end edge flanging step is used for：The both ends end edge of Figured aluminium plate after long side flanging is subjected to 135 degree of flangings；
The small coaming plate U-shaped bending step is used for：Figured aluminium plate after end edge flanging is subjected to circular arc according to freezer liner size
Angle bending is bent into U-shaped and becomes the small coaming plate of U-shaped.
Further, it is double to include the double long side flanging steps of bottom plate blanking process, bottom plate, bottom plate for the Z-shaped bottom plate preparation process
End edge flanging step, four fillet flanging step of bottom plate and Z-shaped bending step；
The bottom plate blanking process is used for：The required shape of Z-shaped bottom plate is punched into the four sides flanging of Figured aluminium plate, including punching
Cut the petal flanging of four fillets, the Z-shaped bending cut-out on long side flanging；
The double long side flanging steps of the bottom plate are used for：90 degree of flangings are carried out to two long sides of the Figured aluminium plate after punching；
The bottom plate both-end side flanging step is used for：90 degree of foldings are carried out to two end edges of the Figured aluminium plate after double long side flangings
Side；
The four fillet flanging step of bottom plate is used for：Arc-shaped 90 degree of flangings are carried out to the petal flanging of four fillets；
The Z-shaped bottom plate bending step is used for：Figured aluminium plate after flanging is subjected to Z-shaped bending, and the z-shape bottom plate of bending.
The technique effect of the present invention is as follows：
1st, method of the invention realizes that each step of this method can be by a set of process equipment one convenient for equipment automatization
It is realized on a processing stations, consequently facilitating freezer liner production line carries out device layout.
2nd, method of the invention introduces bottom plate and rivets in advance so that and degree of lip-rounding coaming plate and Z-shaped bottom plate position are relatively fixed, so as to
In subsequent substep riveting step, without calibrating the relative position of degree of lip-rounding coaming plate and Z-shaped bottom plate one by one.
3rd, in method of the invention, the step of five substep rivetings that degree of lip-rounding coaming plate is mutually riveted with Z-shaped bottom plate in, mostly use
The mode of diagonal riveting so as to substantially reduce the impact force of the liner supporting mechanism to placing freezer liner in riveting, avoids
The resigning deformation of liner supporting mechanism, so as to improve yield rate.
4th, the riveting of four fillets, vertical edge end edge synchronization riveting, side end edge synchronization riveting, the substep riveting of short side side in method of the invention
In four substep riveting steps, each step contains twice substep riveting step, so that four substep riveting step consumptions
When can be mutually matched so that this method be used for entire riveting production line during riveting production line automated production have it is more preferable
Riveting rhythm of production.
5th, the riveting of four fillets, vertical edge end edge synchronization riveting, side end edge synchronization riveting, the substep riveting of short side side in method of the invention
Order set, farthest reduce corner line riveting when interfering with each other, so as to improve yield rate.
Description of the drawings
Fig. 1 is flanging and the schematic diagram at punching position after the big coaming plate planar development of U-shaped.
Fig. 2 is the structure diagram of the big coaming plate end edge flanging of U-shaped.
Fig. 3 is flanging and the schematic diagram at punching position after the small coaming plate planar development of U-shaped.
Fig. 4 is flanging and punching position schematic diagram after Z-shaped base plate plane expansion.
Fig. 5 is the structure diagram that the big coaming plate of U-shaped and the small coaming plate flanging of U-shaped interlock.
Fig. 6 is the structure diagram after the big coaming plate of U-shaped and the small coaming plate flanging riveting of U-shaped.
Fig. 7 is the position schematic diagram for the corner line that freezer liner bottom plate needs rivet.
Fig. 8 is the position schematic diagram for four fillets that freezer liner bottom plate needs rivet.
Fig. 9 is that riveting position schematic diagram is followed closely when bottom plate rivets in advance.
Figure 10 is the structure diagram before corner line riveting.
Figure 11 is the structure diagram after corner line riveting.
Specific embodiment
The present invention is described in further details below in conjunction with the accompanying drawings.
The present invention a kind of freezer liner preparation method, including the big coaming plate preparation process of U-shaped, the small coaming plate preparation process of U-shaped,
Z-shaped bottom plate preparation process, degree of lip-rounding coaming plate riveting step, coaming plate bottom plate riveting step and rivet line gluing step.Wherein, U-shaped
Big coaming plate preparation process is used to Figured aluminium plate being prepared into the big coaming plate of U-shaped.The small coaming plate preparation process of U-shaped is used for Figured aluminium plate system
It is standby into the small coaming plate of U-shaped.Z-shaped bottom plate preparation process is used to Figured aluminium plate preparing z-shape bottom plate.Degree of lip-rounding coaming plate riveting step is used for
Become degree of lip-rounding coaming plate after two end lines of the big coaming plate of U-shaped and the small coaming plate of U-shaped are mutually riveted.Coaming plate bottom plate riveting step is used for will
Degree of lip-rounding coaming plate mutually rivets into freezer liner with Z-shaped bottom plate.Rivet line gluing step is used for the big coaming plate of U-shaped and the small coaming plate of U-shaped
Between rivet line, the rivet line between the big coaming plate of U-shaped and Z-shaped bottom plate and the riveting between the small coaming plate of U-shaped and Z-shaped bottom plate
Glue is stamped on line.
The big coaming plate preparation process of U-shaped includes big coaming plate blanking process, big coaming plate long side flanging step, big coaming plate end edge flanging
Step, big coaming plate U-shaped bending step.Big coaming plate blanking process is used for：The big coaming plate of U-shaped is punched into three face flangings of Figured aluminium plate
Required shape including excision end edge and long side flanging angle redundance, is punched into 90 degree of flangings of end edge and 135 degree of flangings point
Petal flanging at secant, punching U-shaped bending fillet.Big coaming plate long side flanging step is used for：By the Figured aluminium plate after punching
Long side edge carry out 90 degree of flangings.Big coaming plate end edge flanging step is used for：To the both ends end of the Figured aluminium plate after long side flanging
Side carries out flanging, and during end edge flanging, the big coaming plate of U-shaped coaming plate phase riveting portion small with U-shaped carries out 135 degree of flangings, the big coaming plate of U-shaped and
Z-shaped bottom plate phase riveting portion carries out 90 degree of flangings.Big coaming plate U-shaped bending step is used for：By the Figured aluminium plate root after end edge flanging
Arc chord angle bending is carried out according to freezer liner size, U-shaped is bent into and becomes the big coaming plate of U-shaped.As shown in Figure 1.3902 be system in Fig. 1
The Figured aluminium plate plate body of the big coaming plate of standby U-shaped.Dotted portion is bending line, two including end folding line, long side folding line, with
And the fillet bending line at middle part.It is 135 degree of end edge bending edges 3921 and 90 degree of end edge bending edges 3922 on the outside of end flaps line.
135 degree of end edge bending edges 3921 are the parts being combined with the small coaming plate of U-shaped after 135 degree of bendings.90 degree of 3922 Hes of end edge bending edges
90 degree of long side bending edges 3923 are the parts being combined with Z-shaped bottom plate after 90 degree of bendings.135 degree of end edge bending edges 3921 and 90
End edge bending edges 3922 are spent since bending angle is different, and therefore, it is necessary to cuttings.135 degree of end edge bending edges 3921 and 90 degree of end edge foldings
Segmentation lines or cut-off rule 3924 between crimp 3922 are realized by big coaming plate blanking process.90 degree of end edge bending edges 3922 and 90
Spending 3923 phase joining place of long side bending edges has end edge and long side flanging angle redundance 3925.The end edge and long side flanging angle are more
Remaining part point 3925 is cut off by big coaming plate blanking process.It is fillet bending part 3926 between two close bending lines at middle part.
When fillet bending part 3926 is that Figured aluminium plate is bent into U-shaped big coaming plate, the part at the bending angle of arc chord angle is rendered as, is had certain
Width.Fillet bending part 3926 needs to carry out petal cutting with 90 degree of 3923 places of being combined of long side bending edges, otherwise long side
After flanging, U-shaped bending can not be carried out.Petal cutting is by petal cutting line 3927 by fillet bending part 3926 and 90 degree of long sides
If 3923 place of being combined of bending edges is punched into dry petal piece 3928.Before several petal cutting lines 3927 and petal piece 3928 form
The petal flanging 3929 at U-shaped bending fillet stated.That is, big coaming plate blanking process is punched three places：End edge and
At long side flanging angle redundance 3925,90 degree of flangings of end edge and 135 degree of flanging cut-off rules 3924 and U-shaped bending fillet
Petal flanging 3929.Big coaming plate long side flanging step namely carries out 90 degree of flangings to 90 degree of long side bending edges 3923.It encloses greatly
Plate end edge flanging step namely carries out flanging to 135 degree of end edge bending edges 3921 and 90 degree of end edge bending edges 3922.Big coaming plate
Structure after end edge flanging is as shown in Figure 2.Big coaming plate U-shaped bending step is namely justified on twice fillet bending part 3926
Figured aluminium plate is bent into U-shaped structure and becomes the big coaming plate of U-shaped by angle bending.Above-mentioned big coaming plate blanking process, big coaming plate long side
In flanging step, big coaming plate end edge flanging step, big coaming plate U-shaped bending step, each step can be real by independent station
It is existing, corresponding punching unit, folding brake, bender is set to realize above-mentioned punching, flanging and bending step on each independent station
Suddenly.The equipment that bicker, folding brake, bender are known to those skilled in the art, this specification repeat no more.
The small coaming plate preparation process of U-shaped includes small coaming plate blanking process, small coaming plate long side flanging step, small coaming plate end edge flanging
Step, small coaming plate U-shaped bending step.Small coaming plate blanking process is used for：The small coaming plate of U-shaped is punched into three face flangings of Figured aluminium plate
Required shape, including the petal flanging at excision end edge and long side flanging angle redundance, punching U-shaped bending fillet.
Small coaming plate long side flanging step is used for：The long side edge of Figured aluminium plate after punching is subjected to 90 degree of flangings.Small coaming plate end edge folding
Side step is used for：The both ends end edge of Figured aluminium plate after long side flanging is subjected to 135 degree of flangings.Small coaming plate U-shaped bending step is used
In：Figured aluminium plate after end edge flanging is subjected to arc chord angle bending according to freezer liner size, is bent into U-shaped and small as U-shaped
Coaming plate.As shown in Figure 3.3903 be the Figured aluminium plate plate body for preparing the small coaming plate of U-shaped in Fig. 3.Dotted portion is bending line, including end
Two folding lines, long side folding line and the fillet bending line at middle part in portion.It is end bending edges on the outside of end flaps line
3931.It is long side bending edges 3933 on the outside of long side folding line.End bending edges 3931 are enclosed greatly with U-shaped after 135 degree of angle flangings
The part that plate is combined carries out 135 degree of bendings by small coaming plate end edge flanging step.135 degree of bendings of end bending edges 3931
Match with 135 degree of end edge bending edges 3921 on the big coaming plate of U-shaped, it is, the length and width and U of end bending edges 3931
The length and width of 135 degree of end edge bending edges 3921 on the big coaming plate of shape is identical.Long side bending edges 3933 for after 90 degree of flangings with Z
The part that shape bottom plate is combined.End bending edges 3931 and 3933 phase joining place of long side bending edges have end edge and long side flanging angle
Redundance 3935.The end edge and long side flanging angle redundance 3935 are cut off by small coaming plate blanking process.Two of middle part
It is fillet bending part 3936 between close bending line.When fillet bending part 3936 is that Figured aluminium plate is bent into U-shaped small coaming plate, it is in
It is now the part at the bending angle of arc chord angle, there is certain width.Fillet bending part 3936 is combined with long side bending edges 3933
Place needs to carry out petal cutting, otherwise after long side flanging, can not carry out U-shaped bending.Petal cutting passes through petal cutting line
If fillet bending part 3936 is punched into dry petal piece 3938 by 3937 with 3933 place of being combined of long side bending edges.Several petals are cut
Secant 3937 and petal piece 3938 form the petal flanging 3939 at foregoing U-shaped bending fillet.That is, small coaming plate punching
It cuts step and is punched two places：Petal flanging at end edge and long side flanging angle redundance 3925 and U-shaped bending fillet
3939.Small coaming plate long side flanging step namely carries out 90 degree of flangings to long side bending edges 3933.Big coaming plate end edge flanging step
135 degree of angle flangings namely are carried out to end bending edges 3931.Small coaming plate U-shaped bending step is namely in twice fillet bending part
Fillet bending is carried out on 3936, Figured aluminium plate is bent into U-shaped structure and becomes the small coaming plate of U-shaped.The small coaming plate of U-shaped and U-shaped are big
The difference of coaming plate preparation process is, the end edge of the small coaming plate of U-shaped only needs to carry out 135 degree of angle flangings, and the end edge of the big coaming plate of U-shaped
It needs to carry out 135 degree of flangings and 90 degree of flangings.Above-mentioned small coaming plate blanking process, small coaming plate long side flanging step, small coaming plate end edge
In flanging step, small coaming plate U-shaped bending step, each step can be realized by independent station, be set on each independent station
It puts corresponding punching unit, folding brake, bender and realizes above-mentioned punching, flanging and bending step.Bicker, folding brake, folding
The equipment that bender is known to those skilled in the art, this specification repeat no more.
Z-shaped bottom plate preparation process includes the double long side flanging steps of bottom plate blanking process, bottom plate, bottom plate both-end side flanging step
Suddenly, four fillet flanging step of bottom plate and Z-shaped bending step.Bottom plate blanking process is used for：In the four sides flanging punching of Figured aluminium plate
The required shape of Z-shaped bottom plate is cut out, including the Z-shaped bending cut-out on the petal flanging of four fillets of punching, long side flanging.Bottom plate
Double long side flanging steps are used for：90 degree of flangings are carried out to two long sides of the Figured aluminium plate after punching.Bottom plate both-end side flanging step
Suddenly it is used for：90 degree of flangings are carried out to two end edges of the Figured aluminium plate after double long side flangings.Four fillet flanging step of bottom plate is used for：
Arc-shaped 90 degree of flangings are carried out to the petal flanging of four fillets.Z-shaped bottom plate bending step is used for：By the Figured aluminium plate after flanging
Carry out Z-shaped bending, and the z-shape bottom plate of bending.As shown in Figure 4.3901 be the square Figured aluminium plate for preparing Z-shaped bottom plate in Fig. 4
Plate body.Dotted portion is bending line, two including end folding line, two folding lines of long side, four fillets it is arc-shaped
The Z-shaped bending line of the twice at folding line and middle part.The outside of two folding lines of end is twice bottom end flanging respectively
3911.The outside of two folding lines of long side is twice bottom plate long side flanging respectively.Bottom plate long side flanging by long side edgefold 3912,
Vertical flanging 3913 and short side flanging 3914 are formed.Long side edgefold 3912, vertical flanging 3913 and short side flanging 3914 are distinguished
It is three sections of flangings that bottom plate long side flanging is formed after Z-shaped bending.Three sections of flanging needs carry out in bottom plate blanking process
Z-shaped bending cut-out in cutting, that is, foregoing long side flanging.Wherein, between long side edgefold 3912 and vertical flanging 3913
Be cut to triangle punching portion 3916, be cut to cut-off rule 3915 between vertical flanging 3913 and short side flanging 3914.In addition,
Four fillet flanging of bottom plate needs to carry out petal cutting to four fillets of bottom plate, and otherwise bottom plate corner can not carry out fillet folding
Side.If petal cutting is punched into dry petal piece 3931 by triangle cutting part 3917 at fillet.Several triangle cutting parts
3917 and petal piece 3918 form the petal flanging 3919 of foregoing bottom plate fillet.The petal flanging 3919 of four fillets of bottom plate divides
Twice U-shaped on petal flanging 3929 and the small coaming plate of U-shaped on the big coaming plate of foregoing U-shaped at twice U-shaped bending fillet is not corresponded to
Petal flanging 3939 at bending fillet.That is, bottom plate blanking process is punched three places：Four petal foldings of fillet
On side 3919 and long side flanging Z-shaped bending cut-out in triangle punching portion 3916 and cut-off rule 3915.The double long side foldings of bottom plate
The twice bottom plate long side flanging that side step namely forms long side edgefold 3912, vertical flanging 3913 and short side flanging 3914
Integral synchronous flanging.Bottom plate both-end side flanging step i.e. the synchronous flanging of twice bottom end flanging 3911.Four fillet of bottom plate
Flanging step namely carries out flanging to the petal flanging 3919 of four fillets.It is 90 degree of flangings in the above-mentioned flanging of bottom plate.On
State the double long side flanging step of bottom plate blanking process, bottom plate, bottom plate both-end side flanging step, four fillet flanging step of bottom plate and Z-shaped
In bending step, each step can be realized by independent station, and corresponding punching unit, folding are set on each independent station
Side machine, bender realize above-mentioned punching, flanging and bending step.Bicker, folding brake, bender are people in the art
Equipment known to member, this specification repeat no more.
After prepared by the big coaming plate of U-shaped, the small coaming plate of U-shaped, Z-shaped bottom plate, degree of lip-rounding coaming plate riveting is carried out first.The riveting of degree of lip-rounding coaming plate is used
Become degree of lip-rounding coaming plate after two end lines of the big coaming plate of U-shaped and the small coaming plate of U-shaped are mutually riveted.As shown in Fig. 2, the big coaming plate of U-shaped
3902 end edge is equipped with twice flanging, and first of flanging is 135 degree of bending edges 3921 and 90 degree of bending edges 3922 namely Fig. 1
In 135 degree of end edge bending edges 3921 and 90 degree of end edge bending edges 3922.Wherein 90 degree of bending edges 3922 be used for Z-shaped bottom plate into
Row riveting, 135 degree of bending edges 3921 are used to be riveted with the small coaming plate of U-shaped.135 degree of bending edges 3921 are carried out with the small coaming plate of U-shaped
During riveting, as shown in figure 5, equally having 135 degree of bending edges 3931 in the end edge of the small coaming plate 3903 of U-shaped.135 degree of bending edges
End bending edges 3931 in 3931 namely Fig. 3.135 degree of bending edges 3921 and the small coaming plate of U-shaped on the big coaming plate 3902 of U-shaped
Alternating expression structure 3951 as shown in Figure 5 is formed after 135 degree of bending edges, 3931 interlaced engaging on 3903.Alternating expression structure
3952 form the rivet line 3952 of four multilayer laminated structures as shown in Figure 6 after pressing plate is molded.The riveting of four multilayer laminated structure
Line 3952 is the rivet line L1 and L2 between the big coaming plate 3902 of U-shaped and the small coaming plate 3903 of U-shaped in Fig. 7, Fig. 8, Fig. 9.It is above-mentioned
Riveting process is the riveting step of degree of lip-rounding coaming plate riveting.
Since the small coaming plate size of the big coaming plate of U-shaped and U-shaped is different, the formed degree of lip-rounding coaming plate of riveting has step
Structure, as shown in Fig. 7, Fig. 8, Fig. 9.The degree of lip-rounding coaming plate of the staircase structural model is formed after carrying out mutually riveting with Z-shaped bottom plate 3901
Freezer liner.Fig. 7, Fig. 8, Fig. 9 are a freezer liner being buckled to, and 3901 be Z-shaped bottom plate, and 3902 be the big coaming plate of U-shaped, and 3903 are
The small coaming plate of U-shaped.L1 and L2 is two rivet lines that the big coaming plate 3902 of U-shaped and the small coaming plate 3903 of U-shaped mutually rivet.Freezer liner
Z-shaped bottom plate is mutually riveted with degree of lip-rounding coaming plate to be needed to rivet eight sides linea angulata and four fillets.This eight sides linea angulata, as shown in fig. 7,
The high-end corner line E1 that respectively the big coaming plate 3902 of U-shaped and Z-shaped bottom plate 3901 are combined, long side linea angulata E2, E3, vertical corner
Line E4, E5, short side corner line E6, E7 and low side corner line E8 that the small coaming plate 3903 of U-shaped and Z-shaped bottom plate 3901 are combined.This
Four fillets, as shown in figure 8, respectively A1, A2, A3, A4.Wherein, fillet A1 and A2 is located at the two of low side corner line E8 respectively
End；Fillet A3 and A4 are located at the both ends of high-end corner line E1 respectively.To be mutually diagonal, A2 and A3 are mutually right by fillet A1 and A4
Angle.High-end corner line E1 and low side corner line E8 distinguishes the twice bottom end flanging 3911 in corresponding diagram 4 on Z-shaped bottom plate.
Long side linea angulata E2, E3 distinguishes the long side edgefold 3912 in corresponding diagram 4 on twice bottom plate long side flanging on Z-shaped bottom plate.Vertically
Corner line E4, E5 distinguish the vertical flanging 3913 in corresponding diagram 4 on twice bottom plate long side flanging on Z-shaped bottom plate.Short side corner
Line E6, E7 distinguish the short side flanging 3914 in corresponding diagram 4 on twice bottom plate long side flanging on Z-shaped bottom plate.Fillet A1, A2, A3,
A4 distinguishes the petal flanging 3919 of four fillets in corresponding diagram 4 on Z-shaped bottom plate.U-shaped is big in high-end corner line E1 corresponding diagrams 1
90 degree of long side bending edges 3923 on coaming plate are located at the part between two petal flangings 3929.E2, E3 points of long side linea angulata
90 degree of long side bending edges 3923 in other corresponding diagram 1 on the big coaming plate of U-shaped are located at two portions outside two petal flangings 3929
Point.90 degree of end edge bending edges 3922 of twice on the big coaming plate of U-shaped in vertical corner line E4, E5 difference corresponding diagram 1.A3, A4 points of fillet
Two petal flangings 3929 on the big coaming plate of U-shaped in other corresponding diagram 1.Long side on the small coaming plate of U-shaped in low side corner line E8 corresponding diagrams 3
Bending edges 3933 are located at the part between two petal flangings 3939.U-shaped is small in short side corner line E6, E7 difference corresponding diagram 3
Long side bending edges 3933 are located at two parts outside two petal flangings 3939 on coaming plate.Fillet A1 and A2 distinguish corresponding diagram
Two petal flangings 3939 on the small coaming plate of U-shaped in 3.Coaming plate bottom plate is riveted namely to above-mentioned eight sides linea angulata and four circles
Angle is riveted, synchronous including the pre- riveting step of bottom plate, four fillet riveting steps, vertical edge end edge synchronization riveting step, side end edge
Riveting step and short side side substep riveting step.
The pre- riveting step of bottom plate causes degree of lip-rounding coaming plate and Z-shaped bottom plate position to be relatively fixed, so as to be riveted in subsequent substep
In step, without calibrating the relative position of degree of lip-rounding coaming plate and Z-shaped bottom plate one by one.Specific means is lip-sync coaming plate and Z-shaped bottom plate
Between multiple point positions for choosing on the corner line that is combined synchronize nail riveting.As shown in figure 8, with reference to Fig. 7, in the present embodiment,
The point position for carrying out nail riveting has eight, is respectively：Point position P1, the P2 at long side linea angulata E2 both ends, the point at long side linea angulata E3 both ends
Position P3, P4, the point position P7 on the point position P6 on point position P5, vertical corner line E5 on vertical corner line E4, short side corner line E6
With the point position P8 on short side corner line E7.Above-mentioned eight points position is independent by eight be mounted on liner supporting mechanism respectively
Nail riveter structure synchronizes nail riveting.That is, bottom plate rivets in advance is equipped with liner supporting mechanism on station, and liner supports
Eight nail riveter structures are installed in mechanism.Eight nail riveter structures respectively with above-mentioned point position P1, P2, P3, P4, P5, P6, P7, P8 phase
It is corresponding.
Four fillets that four fillet riveting steps are used to be combined between lip-sync coaming plate and Z-shaped bottom plate are riveted.Mouthful
Fillet A1, A2, A3 and A4 in four fillets i.e. Fig. 8 that are combined between shape coaming plate and Z-shaped bottom plate.Bottom plate rivets in advance
Afterwards, after degree of lip-rounding coaming plate is mutually fixed with Z-shaped bottom plate, by sucker manipulator, rivet station in advance from bottom plate and be moved to the riveting of four fillets
On station, and it is placed on the liner supporting mechanism of the station.Four fillets riveting station is equipped with liner supporting mechanism and two
It is oppositely arranged and is located at the fillet riveting mechanism at both ends.The riveting of four fillets is realized by the two fillet riveting mechanisms.Wherein, one
A fillet riveting mechanism is used to rivet the fillet A1 and A2 at the both ends of low side corner line E8, another fillet riveting mechanism is used for riveting
Meet the fillet A3 and A4 at the both ends of high-end corner line E1.Each fillet riveting mechanism is by mechanical arm and installs on the robotic arm
Two are formed with mechanical arm in the fillet riveting machine at 45 degree of angles.One of fillet riveting machine is used to rivet the fillet of one side,
Another fillet riveting machine is used to rivet the fillet of opposite side.After the completion of the fillet riveting of one side, pass through the transverse direction of mechanical arm
It is mobile, it is moved to opposite side and the fillet of the side is riveted by another fillet riveting machine.That is, A1 and A2 points of fillet
Two steps rivet, and fillet A3 and A4 similarly need to rivet in two steps.To the lateral action of liner supporting mechanism when being riveted to reduce
Power, the present embodiment is by the way of diagonally riveting, it is, in the riveting of each step, the fillet opposite to two synchronizes riveting
It connects.Specifically, fillet A1 and A4 is mutually diagonal, and also as two opposite fillets, first fillet A1 and A4 are carried out at the same time
Riveting after the completion of riveting, then carries out riveting while fillet A2 and A3 are carried out.Fillet A2 and A3 are two opposite fillets.
Vertical edge end edge synchronization riveting step is used for two vertical corner lines to being combined between the big coaming plate of U-shaped and Z-shaped bottom plate
Riveting is synchronized with high-end corner line.The two vertical corner lines namely Fig. 7 being combined between the big coaming plate of U-shaped and Z-shaped bottom plate
In corner line E4 and E5.Corner line E1 in the high-end corner line namely Fig. 7 that are combined between the big coaming plate of U-shaped and Z-shaped bottom plate.
After the completion of four fillet riveting steps, by sucker manipulator, freezer liner is moved to vertical edge end edge riveting from four fillets riveting station
It connects on station, and is placed on the liner supporting mechanism of the station.Vertical edge end edge riveting station on be equipped with liner supporting mechanism,
Double vertical edge linea angulata substep riveting mechanisms and end edge linea angulata riveting mechanism.Vertical corner line passes through double vertical edge linea angulata substep riveting machines
Structure realizes riveting.Double vertical edge linea angulata substep riveting mechanisms are by mechanical arm and installation on the robotic arm two towards opposite vertical
Corner line riveting mechanism is formed.Each vertical corner line riveting mechanism corresponds to a vertical corner line.When a vertical corner
After line completes riveting, by the transverse shifting of mechanical arm, it is moved at another vertical corner line and is riveted, so as to fulfill two
The substep riveting of the vertical corner line of item.High-end corner line is realized by end edge linea angulata riveting mechanism and riveted.End edge linea angulata riveting machine
Structure is made of the horizontal straight flange linea angulata riveting mechanism of mechanical arm and installation on the robotic arm.Since high-end corner line only has one
Item can disposably be completed to rivet, and vertical corner line has two, it is necessary to which substep rivets.Liner is supported to be reduced during riveting
The lateral force of mechanism, the present embodiment vertical edge end edge synchronization riveting step carry out in the following way：When riveting starts, high end edge
Linea angulata and a vertical corner line start simultaneously at riveting, and another vertical edge is switched to after the vertical corner line of this completes riveting
When linea angulata is riveted, high-end corner line is constantly in riveting status, until another vertical corner line completes riveting.Such side
Under formula, when vertical corner line rivets, the horizontal straight flange linea angulata riveting mechanism on end edge linea angulata riveting mechanism always withstands on liner branch
Play the role of Auxiliary support on support mechanism.
End edge synchronization riveting step in side is used for two long side linea angulatas to being combined between the big coaming plate of U-shaped and Z-shaped bottom plate
The low side corner line being combined between the small coaming plate of U-shaped and Z-shaped bottom plate synchronizes riveting.Between the big coaming plate of U-shaped and Z-shaped bottom plate
Corner line E2 and E3 in the two long side linea angulatas namely Fig. 7 that are combined, are combined between the small coaming plate of U-shaped and Z-shaped bottom plate
Corner line E8 in low side corner line namely Fig. 7.After the completion of vertical edge end edge synchronization riveting step, by sucker manipulator, in refrigerator
Courage is moved to from vertical edge end edge riveting station on the end edge riveting station of side, and is placed on the liner supporting mechanism of the station.
Side end edge riveting station is equipped with liner supporting mechanism, end edge linea angulata riveting mechanism and bilateral corner line substep riveting machine
Structure.Low side corner line is realized by end edge linea angulata riveting mechanism and riveted.The end edge linea angulata riveting mechanism and foregoing vertical edge end edge riveting
The end edge linea angulata riveting mechanism connect on station is identical.Long side linea angulata is realized by bilateral corner line substep riveting mechanism and riveted.
The opposite horizontal straight flange linea angulata riveting of two direction of the bilateral corner line substep riveting mechanism by mechanical arm and installation on the robotic arm
Connection mechanism is formed.Horizontal straight flange linea angulata riveting mechanism and the horizontal straight flange linea angulata riveting machine in foregoing end edge linea angulata riveting mechanism
Structure is identical.Each horizontal straight flange linea angulata riveting mechanism corresponds to a long side linea angulata.After a long side linea angulata completes riveting,
It by the transverse shifting of mechanical arm, is moved at another long side linea angulata and is riveted, so as to fulfill two long side linea angulatas
Substep riveting.Since low side corner line only has one, can disposably complete to rivet, and long side linea angulata have two, it is necessary to
Substep rivets.To reduce the lateral force to liner supporting mechanism during riveting, the present embodiment side end edge synchronization riveting step is adopted
It is carried out with following manner：When riveting starts, low side corner line and a long side linea angulata start simultaneously at riveting, when this long side
When linea angulata is completed to be switched to another long side linea angulata and riveted after riveting, low side corner line is constantly in riveting status, directly
Riveting is completed to another long side linea angulata.Under such mode, when long side linea angulata rivets, the water on end edge linea angulata riveting mechanism
Straight corner line riveting mechanism, which is always withstood on liner supporting mechanism, plays the role of Auxiliary support.
Substep riveting step in short side side is used for two short side corner lines point to being combined between the small coaming plate of U-shaped and Z-shaped bottom plate
Step is riveted.Corner line E6 in the two short side corner lines i.e. Fig. 7 that are combined between the small coaming plate of U-shaped and Z-shaped bottom plate
And E7.After the completion of the end edge synchronization riveting step of side, by sucker manipulator, freezer liner is moved to from side end edge riveting station
On the substep riveter positions of short side side, and it is placed on the liner supporting mechanism of the station.Short side side substep riveter positions are equipped with liner
Supporting mechanism and bilateral corner line substep riveting mechanism.Short side corner line realizes riveting by bilateral corner line substep riveting mechanism
It connects.Bilateral corner line substep riveting mechanism and on foregoing side end edge riveting station and bilateral on the substep riveter positions of short side side
Corner line substep riveting mechanism structure is identical.It is, two short side corner lines need substep to rivet.
The mutual riveting of the corner line and fillet of above-mentioned freezer liner passes through Z-shaped bottom plate 3901, the big coaming plate 3902 of U-shaped, U-shaped
What the folding of small 3903 edge flanging of coaming plate was realized.As shown in Figure 10, Figure 11.Figure 10 is that Z-shaped bottom plate 3901 and U-shaped are big before riveting
The vertical section for the corner parts that coaming plate 3903 is combined, Figure 11 are Z-shaped bottom plate 3901 and the big 3903 phase knot of coaming plate of U-shaped after riveting
The vertical section of the corner parts of conjunction.The corner parts can be foregoing E1, E2, E3, E4 or E5 or foregoing circle
Angle A3 or A4.Wherein, 4903 be bottom plate bending edges, and 4904 be coaming plate bending edges.Bottom plate bending edges 4903 and coaming plate bending edges
4904 be the bending edges formed after 90 degree of plate body edge flanging.Coaming plate bending edges 4904 can be 90 degree of end edges in Fig. 1
Bending edges 3922 or 90 degree of long side bending edges 3923, can also be petal flanging 3929.Bottom plate bending edges 4903 can
To be either long side edgefold 3912 either vertical flanging 3913 or the short side flanging 3914 of Fig. 4 bottom plates end flaps 3911,
Or the petal flanging 3919 of fillet.Before riveting, as shown in figure 4, Z-shaped bottom plate 3901 and the big 3902 main part split-phase of coaming plate of U-shaped
Vertically, coaming plate bending edges 4904 are stuck within bottom plate bending edges 4903, and riveting process is first by the further bending of bottom plate bending edges
Between coaming plate bending edges are clamped in 3901 body rim of bottom plate bending edges 4903 and Z-shaped bottom plate, trilaminate structure is formed
Corner edge, the then corner edge of the trilaminate structure further bending, ultimately forms as shown in figure 11 four layer by layer
The corner 4906 of stack structure.Therefore, the signified riveting of the present invention is substantially flanging, by repeating flanging, is formed multilayer laminated
The corner of structure.That is, the foregoing fillet riveting machine of the present embodiment, vertical corner line riveting mechanism, horizontal straight flange linea angulata
Riveting mechanism is the folding brake that can be repeatedly turned down.Folding brake is known to those skilled in the art, and this specification is no longer
The specific detailed construction of fillet riveting machine, vertical corner line riveting mechanism, horizontal straight flange linea angulata riveting mechanism is repeated.
Rivet line gluing be used for rivet line, the big coaming plate of U-shaped and the Z-shaped bottom plate between the big coaming plate of U-shaped and the small coaming plate of U-shaped it
Between the small coaming plate of rivet line and U-shaped and Z-shaped bottom plate between rivet line on stamp glue.As shown in Fig. 6, Figure 11, riveting
Afterwards, there are a seams between the rivet line 3952 of 4906 and four multilayer laminated structure of corner of four multilayer laminated structures and plate face main body
Gap, rivet line gluing are exactly on the gap to stamp hot melt adhesive so that freezer liner is realized on rivet line inside and outside it is complete
Sealing.Rivet line gluing can be realized by robot gluing.
In addition it should be pointed out that the riveting of four fillets, vertical edge end edge synchronization riveting, side end edge in the riveting of coaming plate bottom plate
Synchronous riveting, the substep riveting of short side side generally can be with order changes.The said sequence of the present embodiment is a kind of most preferably order, this is sequentially
Interfering with each other when can farthest reduce corner line riveting.
Claims (7)
1. a kind of freezer liner preparation method, which is characterized in that include the big coaming plate preparation process of U-shaped successively in order, U-shaped is small encloses
Plate preparation process, Z-shaped bottom plate preparation process, degree of lip-rounding coaming plate riveting step, coaming plate bottom plate riveting step and rivet line gluing step
Suddenly；
The big coaming plate preparation process of U-shaped is used to Figured aluminium plate being prepared into the big coaming plate of U-shaped；
The small coaming plate preparation process of U-shaped is used to Figured aluminium plate being prepared into the small coaming plate of U-shaped；
The Z-shaped bottom plate preparation process is used to Figured aluminium plate preparing z-shape bottom plate；
The degree of lip-rounding coaming plate riveting step encloses for two end lines of the big coaming plate of U-shaped and the small coaming plate of U-shaped mutually to be riveted into the degree of lip-rounding
Plate；The coaming plate bottom plate riveting step is used to degree of lip-rounding coaming plate and Z-shaped bottom plate mutually riveting into freezer liner, including the pre- riveting of bottom plate
Connect step, four fillet riveting steps, vertical edge end edge synchronization riveting step, side end edge synchronization riveting step and short side side substep riveting step
Suddenly；
The pre- riveting step of bottom plate is used for：That is chosen on the corner line being combined between lip-sync coaming plate and Z-shaped bottom plate is multiple
Point position synchronizes nail riveting, and degree of lip-rounding coaming plate is made mutually to be fixed with Z-shaped bottom plate；
The four fillets riveting step is used for：Bottom plate is in advance after riveting, four circles being combined between lip-sync coaming plate and Z-shaped bottom plate
Angle is riveted；
The vertical edge end edge synchronization riveting step is used for：After the riveting of four fillets, to what is be combined between the big coaming plate of U-shaped and Z-shaped bottom plate
Two vertical corner lines and high-end corner line synchronize riveting；
The side end edge synchronization riveting step is used for：After vertical edge end edge synchronization riveting, to mutually being tied between the big coaming plate of U-shaped and Z-shaped bottom plate
The low side corner line being combined between the two long side linea angulatas and the small coaming plate of U-shaped and Z-shaped bottom plate that close synchronizes riveting；
The short side side substep riveting step is used for：After the end edge synchronization riveting of side, to being combined between the small coaming plate of U-shaped and Z-shaped bottom plate
Two short side corner lines substep riveted；
The rivet line gluing step is used for：To rivet line, the big coaming plate of U-shaped and Z-shaped between the big coaming plate of U-shaped and the small coaming plate of U-shaped
Glue is stamped on the rivet line between the small coaming plate of rivet line and U-shaped and Z-shaped bottom plate between bottom plate.
2. freezer liner preparation method as described in claim 1, which is characterized in that in the vertical edge end edge synchronization riveting step, U
Two vertical corner line substeps being combined between the big coaming plate of shape and Z-shaped bottom plate are riveted；When riveting starts, high-end corner line
Riveting is started simultaneously at a vertical corner line, another vertical corner line is switched to after the vertical corner line of this completes riveting
When being riveted, high-end corner line is constantly in riveting status, until another vertical corner line completes riveting.
3. freezer liner preparation method as described in claim 1, which is characterized in that in the side end edge synchronization riveting step, U
The two long side linea angulatas substep being combined between the big coaming plate of shape and Z-shaped bottom plate is riveted；When riveting starts, low side corner line
Riveting is started simultaneously at a long side linea angulata, another long side linea angulata is switched to after this long side linea angulata completes riveting
When being riveted, low side corner line is constantly in riveting status, until another long side linea angulata completes riveting.
4. freezer liner preparation method as described in claim 1, which is characterized in that the four fillets riveting step riveting in two steps
It connects；In each step riveting, the fillet opposite to two synchronizes riveting.
5. freezer liner preparation method as described in claim 1, which is characterized in that the big coaming plate preparation process of U-shaped includes
Big coaming plate blanking process, big coaming plate long side flanging step, big coaming plate end edge flanging step, big coaming plate U-shaped bending step；
The big coaming plate blanking process is used for：The required shape of the big coaming plate of U-shaped is punched into three face flangings of Figured aluminium plate, is wrapped
Excision end edge and long side flanging angle redundance are included, 90 degree of flangings of end edge and 135 degree of flanging cut-off rules is punched into, is punched U-shaped folding
Petal flanging at curved fillet；
The big coaming plate long side flanging step is used for：The long side edge of Figured aluminium plate after punching is subjected to 90 degree of flangings；
The big coaming plate end edge flanging step is used for：Flanging, end edge are carried out to the both ends end edge of the Figured aluminium plate after long side flanging
During flanging, the big coaming plate of U-shaped coaming plate phase riveting portion small with U-shaped carries out 135 degree of flangings, the big coaming plate of U-shaped and Z-shaped bottom plate phase caulking part
Divide and carry out 90 degree of flangings；
The big coaming plate U-shaped bending step is used for：Figured aluminium plate after end edge flanging is subjected to circular arc according to freezer liner size
Angle bending is bent into U-shaped and becomes the big coaming plate of U-shaped.
6. freezer liner preparation method as described in claim 1, which is characterized in that the small coaming plate preparation process of U-shaped includes
Small coaming plate blanking process, small coaming plate long side flanging step, small coaming plate end edge flanging step, small coaming plate U-shaped bending step；
The small coaming plate blanking process is used for：The required shape of the small coaming plate of U-shaped is punched into three face flangings of Figured aluminium plate, is wrapped
Include the petal flanging at excision end edge and long side flanging angle redundance, punching U-shaped bending fillet；
The small coaming plate long side flanging step is used for：The long side edge of Figured aluminium plate after punching is subjected to 90 degree of flangings；
The small coaming plate end edge flanging step is used for：The both ends end edge of Figured aluminium plate after long side flanging is subjected to 135 degree of flangings；
The small coaming plate U-shaped bending step is used for：Figured aluminium plate after end edge flanging is subjected to circular arc according to freezer liner size
Angle bending is bent into U-shaped and becomes the small coaming plate of U-shaped.
7. freezer liner preparation method as described in claim 1, which is characterized in that the Z-shaped bottom plate preparation process includes bottom
The double long side flanging steps of plate blanking process, bottom plate, bottom plate both-end side flanging step, four fillet flanging step of bottom plate and Z-shaped folding
Curved step；
The bottom plate blanking process is used for：The required shape of Z-shaped bottom plate is punched into the four sides flanging of Figured aluminium plate, including punching
Cut the petal flanging of four fillets, the Z-shaped bending cut-out on long side flanging；
The double long side flanging steps of the bottom plate are used for：90 degree of flangings are carried out to two long sides of the Figured aluminium plate after punching；
The bottom plate both-end side flanging step is used for：90 degree of foldings are carried out to two end edges of the Figured aluminium plate after double long side flangings
Side；
The four fillet flanging step of bottom plate is used for：Arc-shaped 90 degree of flangings are carried out to the petal flanging of four fillets；
The Z-shaped bottom plate bending step is used for：Figured aluminium plate after flanging is subjected to Z-shaped bending, and the z-shape bottom plate of bending.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109433955A (en) * | 2018-12-17 | 2019-03-08 | 杭州德意电器股份有限公司 | A kind of liner riveting tool and clinching method |
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| JP2005134078A (en) * | 2003-10-31 | 2005-05-26 | Hoshizaki Electric Co Ltd | Heat-insulating box structure |
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