CN1093442C - Outer case bending device of refrigerator - Google Patents
Outer case bending device of refrigerator Download PDFInfo
- Publication number
- CN1093442C CN1093442C CN97118557A CN97118557A CN1093442C CN 1093442 C CN1093442 C CN 1093442C CN 97118557 A CN97118557 A CN 97118557A CN 97118557 A CN97118557 A CN 97118557A CN 1093442 C CN1093442 C CN 1093442C
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- China
- Prior art keywords
- mentioned
- mould
- refrigerator
- steel plate
- outer case
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- 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.)
- Expired - Fee Related
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Classifications
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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
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/01—Bending sheet metal along straight lines, e.g. to form simple curves between rams and anvils or abutments
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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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
- B21D37/12—Particular guiding equipment, e.g. pliers; Special arrangements for interconnection or cooperation of dies
-
- 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
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/002—Positioning devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Refrigerator Housings (AREA)
Abstract
To easily bend an outer box of a refrigerator without damaging an original sheet by installing a jig in a direction orthogonal to the advancing direction of an iron sheet for the outer box, and working a groove without turning the iron sheet for the outer box. A lower side of a first jig 20 is formed of a flat surface so that an iron sheet for an outer box is effectively pressed and fixed thereto, and lower ends of a second jig 30 and a fourth jig 50 to be integratedly elevated/lowered with the first jig 20 are installed higher than the first jig 20. Though the lower side of the second jig 30 and the upper side of a third jig 40 are inclined diagonally upward to the right, an upwardly recessed groove 33 is formed in a left end part of the second jig 30, a projection 43 which is upwardly projected is installed on the upper side of the third jig 40 opposite thereto, and the second jig 30 and the third jig 40 are pressed in a closely attached manner to each other on the right side of the first jig 20 to form a groove. The work balance can be secured in the whole process because the process is performed without expansion of the occupying equipment space and delay of time.
Description
Technical field
Present invention relates in general to a kind of bending equipment of outer case of refrigerator.More particularly, it relates to and a kind ofly forms groove in ends of sidewall panels, and the bending equipment of the outer case of refrigerator that is connected with inserting mode with this sidewall paneling that makes shell and base plate.
Background technology
The casing of refrigerator generally is made up of inner bag, shell and the heat-insulating material loaded between inner bag, shell, and wherein shell contains many steel plates that become reservation shape through bending machining.Particularly, the sidewall paneling of shell is to be connected with welding or the solid mode of screw spiral shell with base plate.Referring to Fig. 1, it is the syndeton of refrigerator conventional enclosure, is curved about 90 ° with the both sides of the matched base plate 2 in the bottom of sidewall paneling 1.Under this state, in the bottom of such bending part 3 inserting side wallboards 1, the bending part 3 of base plate 2 welds with the bottom of sidewall paneling 1 mutually in many positions, and sidewall paneling 1 is connected with base plate 2.Reference marker 2a represents weld part.
Yet, in the syndeton of the conventional enclosure of this refrigerator, because the sidewall paneling of shell is to be connected with mode or the excessively logical screw that welds with base plate, will produce following variety of issue: at first, owing to will weld in many positions or be spirally connected, workload has just strengthened like this, causes production cost and working time to increase significantly; The second, to load within shell and inner bag at heat-insulating material, and be in the shell forming process, blowing agent will be discharged to the outside of refrigerator by the slit between the weld part or between the screw; At last, if use the shell of precoated shet metal (PCM),, just must carry out extra coating work owing to be vulnerable to damage on welding process floating coat surface.
On the other hand, sidewall paneling, base plate and postnotum carry out processing and forming by a series of rolling wheels and can interconnect in the mode of pegging graft.Yet, owing to the operation of individual raw material plate processing and forming being made out insertion groove and insertion section and the operation that the raw material plate Bending Processing is become U-shaped make top board and two side wall panels respectively, side by side do not finish, like this, above-mentioned processing and forming will exert an influence mutually between these two kinds of operations, so that can not easily realize.In addition, by using a series of rolling wheels,, therefore just need larger area installment work platform and auxiliary bracing or strutting arrangement in order to finish to having the shaping processing of horizontal length greater than the raw material plate of vertical length.Meanwhile, if use the PCM raw material plate, in the shaping process, coat side will be damaged.
In these cases, just need a kind of novel device, it can be processed into predetermined shape to raw material plate or can be connected with another piece plate raw material plate in simple mode and do not damage this flitch.
The present invention relates to a kind of bending equipment of outer case of refrigerator, it can eliminate defective of the prior art and unfavorable factor.
Summary of the invention
An object of the present invention is to provide a kind of bending equipment of outer case of refrigerator, it can carry out bending machining simply to the shell of refrigerator, and can not damage raw material plate.
This another bright purpose provides a kind of bending equipment of outer case of refrigerator, and it can carry out bending machining with a suitable time cycle to the shell of refrigerator, and does not need larger area installment work platform.
According to one object of the present invention, disclosed herein is a kind of bending equipment of outer case of refrigerator, it comprises that one supports the pedestal of shell steel plate; First mould that is positioned on shell steel plate one side and the energy/moves down is used for fastening shell steel plate; The second and the 3rd mould that is positioned on shell steel plate both sides and the energy/moves down, and in their uphill process, form tight the contact whereby with the side surface of first mould, be used for side direction common groove that forms on the shell steel plate along first mould; Be installed on first mould, and the 4th mould that can rotate around it, the outer rim that is used for stamped recess is to dwindle its peristome.Slidable under casing is installed on above-mentioned pedestal, and a pole on the top of top case by being positioned at above-mentioned under casing is connected with above-mentioned under casing, and the first above-mentioned mould is installed on the case of above-mentioned top.The second above-mentioned mould is connected with second working shaft of second oil cylinder, and on the energy/moving down, second oil cylinder is connected with above-mentioned first mould, and the 3rd above-mentioned mould is installed on the above-mentioned under casing.Above-mentioned the 4th mould is installed on the case of above-mentioned top.
According to another object of the present invention, disclosed herein is a kind of bending equipment of outer case of refrigerator, it comprises: one supports the pedestal of shell steel plate; One first mould, it is positioned at the top of pedestal and can rises thereon in the process and can produce punching press to the shell steel plate as the workpiece of rising/decline; One second mould, it can along on the side of first mould/move down, also have the bottom of inclination, and along having first prominent on one groove on the side direction of first mould; One the 3rd mould, it is positioned at the bottom of shell steel plate and relative with second mould, rises in the process thereon, can form second groove on the shell steel plate between first and second moulds; And one the 4th mould, it is positioned at the outside portion of second mould and can rotates around it, and it is used for the outer rim of punching press second groove to dwindle its peristome.
Description of drawings
Fig. 1 is the cutaway view of conventional refrigerator shell;
Fig. 2 is to use the decomposition diagram of the outer case of refrigerator that shell bending equipment of the present invention makes;
Fig. 3 is the vertical view of the bending equipment of outer case of refrigerator of the present invention;
Fig. 4 is the plan view of Fig. 3, and wherein the 4th mould and take-up device are removed;
Fig. 5 is the cutaway view of critical piece of the bending equipment of outer case of refrigerator of the present invention;
Fig. 6 is the circuit diagram of the oil pressure control procedure of each mould in the bending equipment of outer case of refrigerator of the present invention;
Fig. 7 is the block diagram of the control program of mensuration shell steel plate position in the bending equipment of outer case of refrigerator of the present invention and each mold work of control;
Fig. 8 is the flow chart of control operation process of the bending equipment of outer case of refrigerator of the present invention;
Fig. 9 is the cutaway view of duty of the bending equipment of outer case of refrigerator of the present invention, and wherein shell is in the position that is fixed;
Figure 10 is the cutaway view of duty of the bending equipment of outer case of refrigerator of the present invention, and wherein first mould descends with fixed housing;
Figure 11 is the cutaway view of duty of the bending equipment of outer case of refrigerator of the present invention, and wherein second mould drops to a predetermined height;
Figure 12 is the cutaway view of duty of the bending equipment of outer case of refrigerator of the present invention, and wherein the 3rd mould rises to realize first bending operation to shell;
Figure 13 is the cutaway view of duty of the bending equipment of outer case of refrigerator of the present invention, and wherein second mould descends for the second time so that closely contact with the 3rd mould, realizes second bending operation to shell with this;
Figure 14 is the cutaway view of duty of the bending equipment of outer case of refrigerator of the present invention, and wherein the second and the 3rd mould rises to return its home position;
Figure 15 is the cutaway view of duty of the bending equipment of outer case of refrigerator of the present invention, and wherein the 4th mould rotates so that realize the 3rd bending operation to shell.
The specific embodiment
To describe in detail in conjunction with the accompanying drawings most preferred embodiment of the present invention below.
At first, the casing of the refrigerator realized with present device is described.The casing of refrigerator is made up of inner bag, shell and the heat-insulating material loaded between inner bag, shell, and this heat-insulating material can improve insulation effect and the radiating effect in the refrigerator.Simultaneously, injected plastic material in the inner bag, heat-insulating material foams between inner bag and shell, and shell contains many steel plates that are connected.As shown in Figure 2, the casing of refrigerator is by left and right side wallboard 120 and 130, top board 110, and they are integrally formed, postnotum 140 and base plate 150 are formed.Postnotum 140 is connected with top board 110, two side wall panels 120,130 with base plate 150.Be provided with open slot 111 and 121 backward at the edge of the rear side of top board 110 and two side wall panels 120 and 130, be provided with flange 141 at the edge of postnotum 140, in this flange insertion groove 111 and 121, with this two side wall panels 120,130 is connected with postnotum 140, bottom edge in two side wall panels 120,130 is provided with groove 122,132 are provided with prominent bent flanges 151 in the both sides of the edge of base plate 150, in these flange 151 insertion grooves 122 and 132, two side wall panels 120,130 is connected with base plate 150 with this.
Simultaneously, be provided with groove 123,133, be connected with inner bag whereby at the front edge of top board 110 and two side wall panels 120,130.The groove 123,133 of front end and the groove of rear end 111,121 shape acquisition by a series of rolling wheels.
Most preferred embodiment of the present invention is the bending equipment of outer case of refrigerator, and it is provided with above-mentioned groove 122,132.Fig. 3 is the vertical view of the bending equipment of outer case of refrigerator of the present invention, and Fig. 4 is the plan view of Fig. 3, and wherein the 4th mould and take-up device are removed.Like this, because the left and right structure of bending equipment of outer case of refrigerator of the present invention is symmetrical, only demonstrate half of integral body among the figure.The bending equipment of outer case of refrigerator of the present invention comprises: one supports the pedestal 10 of shell steel plate 100; One is positioned at first mould 20 of pedestal 10 tops, and it can move up and down, is used for fixing shell steel plate 100; Lay respectively at the second and the 3rd mould of the below of the right side of first mould 20 and pedestal 10, they form a die toward each other jointly on shell steel plate 100; Be positioned at the 4th mould 50 on second mould, 30 right sides, it can rotate around it, and is used for the outer rim of stamped recess so that dwindle the required size of its peristome to one.
One centralized positioning part 4 is positioned at the middle part of pedestal 10, its effect be shell steel plate 100 draglines to the top center with the control workpiece.As a result, before shell steel plate 100 was bent into " U " type, then is made into top board and biside plate, the mobile of first mould, 20 to the 4th moulds 50 was can forward and backward lip-deep any groove 111,121,123 and 133 of shell steel plate 100 not to be exerted an influence.
As shown in Figure 5, under casing 61 is installed on the pedestal 10, and it can horizontally slip.The pole 63 on the top of top case 62 by being installed under casing 61 is connected with under casing 61.First mould 20, it is raised by first oil cylinder 21 that is arranged on the top case 62, and first mould is connected with working shaft 22 bottoms of first oil cylinder 21, and first oil cylinder 21 can stretched to the expansion of bottom direction.Second mould 30, it closely contacts with the right lateral surface of first mould 20, and second mould is connected with the working shaft 32 of second oil cylinder 31, and second oil cylinder 31 is connected with a side of first mould 20.The 3rd mould 40, it is positioned at the bottom of under casing 61, and relative with second mould 30, the 3rd mould 40 is loaded on the top of the working shaft 42 of the 3rd oil cylinder 41, and the 3rd oil cylinder 41 is connected with under casing 61, the 4th mould 50, it is positioned at the right side of second mould 30, can rotate by clockwise direction.The rotation of the 4th mould 50 realizes that by the hinge between the working shaft 52 of the 4th mould 50 and the 4th oil cylinder 51 53 the 4th oil cylinder 51 is assemblied in a side of first mould 20.
At this moment, a plane is adopted in the bottom surface of first mould 20, so effectively punching press and fastening shell steel plate 100.The installation site of second mould 30 that raises simultaneously with first mould 20 and the bottom side end of the 4th mould 50 will be higher than the bottom side end of first mould 20.The upper surface of the lower surface of second mould 30 and the 3rd mould 40 is inclined upwardly on the right side respectively.Be provided with upwards prominent further groove 33 at the right-hand end of second mould 30, be provided with a upwards prominent flange 43 at the upper surface of the 3rd mould 40, this flange is relative with the groove 33 of second mould 30.The result is that second mould 30 and the 3rd mould 40 mutual extrusion are in and the tight state of contact in the right side of first mould 20, form a groove 101 with this on shell steel plate 100.Simultaneously, 33 right openings portions are provided with protuberance 34 at groove, are provided with recess 44 on the right side of flange 43.From then on, the open side of the groove 101 on shell steel plate 100 forms rank type end 102, shown in Figure 14 and 15.
The 4th mould 50 is in its rotation process, and it is used for the outer rim of the groove 101 on the punching press shell steel plate 100, with the openings of sizes of dwindling groove 101 to required size.Like this, the opening required size of groove 101 is adjusted according to the thickness that inserts the shell steel plate 100 in the groove 101, but is preferably about 1mm.
On the other hand, be provided with a position adjustments part 80 on pedestal 10, it is used for moving under casing 61 along the length direction of shell steel plate 100, so that the bending part of shell steel plate 100 adjusts according to the length of shell steel plate 100.Position adjustments part 80 is made up of guide rail 81, shank of bolt 82, motor 83, guide rail 81 is used to make under casing 61 move left and right, and shank of bolt 82 can extend along left and right direction when passing through a side of under casing 61, motor 83 is connected with the end in shank of bolt 82 left sides, so that swivel bolt bar 82.In addition, be provided with threaded hole (not shown) under casing 61, this hole can make shank of bolt 82 pass through, and like this, under casing 61 can move along left and right direction according to the rotation direction of shank of bolt 82.
On the other hand, first mould, 20 to the 4th moulds 50, are described them referring to accompanying drawing 6 by the oil pressure control operation.As shown in Figure 6, first oil cylinder, 21 to the 4th oil cylinders 51 of controlling first mould, 20 to the 4th moulds 50 respectively all are connected with oil pump 70 by oil pressure pipe 71 oil pumping.In addition, many magnetic valves 72 also are housed, control the flow of oil, the final purpose that realizes the operation of control first mould 20 to the 4th moulds 50 with this at the middle part of oil pressure pipe 71.
Fig. 7 is the block diagram of work control program of the bending equipment of outer case of refrigerator of the present invention.One sensor 91, it is used to measure shell steel plate 100 and whether is positioned at original reference position, oil pump 70, it is used for producing oil pressure by oil pumping, magnetic valve 72, it is used to control the change of oil pressure, and above-mentioned three parts are connected with microcontroller 90 respectively.More particularly, if when sensor 91 is measured shell steel plates 100 and is positioned at original reference position, microcontroller 90 is just controlled oil pump 70 a certain amount of magnetic valve of opening/closing selectively, therefore just can operate first mould, 20 to the 4th moulds 50.Simultaneously, the motor 83 of position adjustments part 80 is connected with microcontroller 90, and according to the size of the shell steel plate of being imported by individual passage 100, mobile under casing 61 is adjusted the bending position of shell steel plate 100.
Referring to Fig. 8 to 15, the course of work of the bending equipment of outer case of refrigerator of the present invention is described.
Fig. 8 is the control operation flow chart of the bending equipment of outer case of refrigerator of the present invention.Fig. 9 to Figure 15 is the perspective view according to the duty of each mould of control operation of Fig. 8.
The first step, the fixed-site step is to realize shell steel plate 100 is positioned at the reference position.More particularly, if shell steel plate 100 is transferred to the reference position through conveyer belt 1, sensor 91 will be measured the shell steel plate 100 that is positioned at the reference position, just stops to transmit shell steel plate 100 then.Then, the shell steel plate 100 that is fixed on the reference position is drawn into top end face through centralized positioning part 15, and the center of sweep just has been determined like this, as shown in Figure 9.
Second step was a step of shell steel plate 100 being carried out support operation.First mould 20 falls to pressing the upper surface of shell steel plate 100, with this supporting shell steel plate 100 securely.Simultaneously, second mould 30 and the 4th mould 50 that are connected with first mould 20 all fall, as shown in figure 10.
The 3rd step was to carry out the first whereabouts step.In other words, realize that first of second mould 30 falls operation so that be limited in a angle of bend in the first bending step, as shown in figure 11.
The 4th step was to carry out the first bending step.More particularly, the 3rd mould 40 raises, and shell steel plate 100 is carried out two-fold bend.Therefore, the shell steel plate 100 vertical bending that between the left surface of the right flank of first mould 20 and the 3rd mould 40, makes progress, then by the flange on the upper surface that is arranged on the 3rd mould 40 43 with by the bending that is inclined upwardly of the inclined lower surface of second mould 30, as shown in figure 12.Simultaneously, the 3rd mould 40 rises till the top of flange 43 arrives the extension line of second mould, 30 inclined surfaces.
The 5th step was to carry out second bending operation.More particularly, the lower surface of second mould 30 falls for the second time so that closely contact with the upper surface of the 3rd mould 40.Thereby, on shell steel plate 100, just formed and corresponding groove 101 of groove 33 shapes and flange 43, on the shell steel plate 100 on groove 101 right sides, have an acclivitous surface.Simultaneously, by laying respectively at protuberance 34 and the recess 44 (as shown in figure 13) on groove 33 and the flange 43, at the peristome formation rank of groove 101 shape end 102, as shown in figure 14.
The 6th step was to carry out first return.In more detail, second mould 30 raises, and the 3rd mould 40 falls, as shown in figure 14.
The 7th step was to carry out the 3rd bending operation.In more detail, the 4th mould 50 clockwise directions rotate, with the outer rim of this stamped recess 101 on the side direction of first mould.The result is that the size of the peristome of groove 101 is contracted to required size.Simultaneously, the size of peristome is set at consistent with the thickness that inserts object (being shell steel plate 100) wherein.Preferably the size of peristome is approximately 1mm, as shown in figure 15.
Final step, first mould 20 and the 4th mould 50 return its home position, thus the bending work of shell steel plate 100 bottoms has finally been finished.
Meanwhile, in the outer case of refrigerator bending equipment of most preferred embodiment of the present invention, the both ends of various shell steel plates can both be by bending.For example, if the shell steel plate has different length, just adjust displacement to adapt to the steel plate of different length at length direction.For instance, if the shell steel plate has sizable length, motor rotating bolt bar under casing just moves to the outside, thereby regulates the bending position of shell steel plate.
Be clear that from above-mentioned the bending equipment of outer case of refrigerator of the present invention has following various excellent Point: the first since many moulds be mounted to processing side perpendicular to the shell bending equipment that forms groove To, do not need the position of rotation case steel plate, in carrying out the bending operation, do not need to increase installment work Platform can not waste time yet, and the bending operation has kept the work balance of a whole set of operation, therefore just can save Saving working hour and the whole installment work table top of minimizing are long-pending; The second, because groove is in shell steel plate inactive state Form, even use the PCM steel plate, in the groove forming process, also can avoid abrading coat side, also Just need not to do again coating work; The 3rd, because mould can move to adapt to the length of shell steel plate, from And form groove at the steel plate both ends, so various steel plates can both be used.
Claims (8)
1. the bending equipment of an outer case of refrigerator, it comprises:
One supports the pedestal of shell steel plate;
One first mould, it is installed in a side of above-mentioned shell steel plate, and on the energy/to move down, it is used for fixing the position of above-mentioned shell steel plate;
Second mould and the 3rd mould are installed in the both sides of above-mentioned shell steel plate respectively, and on the energy/move down, rise thereon in the process with this and to form tight the contact, be used for along a side direction common one first groove that forms on above-mentioned shell steel plate of above-mentioned first mould with the described side surface of above-mentioned first mould; With
One the 4th mould, it is installed on above-mentioned first mould and can rotates around it, thereby so that the outer rim of above-mentioned first groove of punching press is dwindled its peristome;
Slidable under casing is installed on above-mentioned pedestal, and a pole on the top of top case by being positioned at above-mentioned under casing is connected with above-mentioned under casing, and the first above-mentioned mould is installed on the case of above-mentioned top;
The second above-mentioned mould is connected with second working shaft of second oil cylinder, and on the energy/moving down, second oil cylinder is connected with above-mentioned first mould, and the 3rd above-mentioned mould is installed on the above-mentioned under casing;
Above-mentioned the 4th mould is installed on the case of above-mentioned top.
2. the bending equipment of outer case of refrigerator as claimed in claim 1, it is characterized in that: the lower surface of above-mentioned second mould is inclined upwardly along the side direction of above-mentioned the 4th mould, end in above-mentioned second mould left side is provided with one second groove 33, this second groove is to fovea superior, the upper surface of above-mentioned the 3rd mould tilts, so that corresponding, and be provided with the flange that can insert above-mentioned second groove at the 3rd mould upper surface with the lower surface of above-mentioned second mould.
3. the bending equipment of outer case of refrigerator as claimed in claim 2 is characterized in that: be provided with a recess at above-mentioned second flange, form single order shape end thus on above-mentioned first groove that is positioned on the above-mentioned shell steel plate.
4. the bending equipment of outer case of refrigerator as claimed in claim 1, it is characterized in that: above-mentioned under casing and guide rail are slidingly connected, and this guide rail is installed on the above-mentioned pedestal along above-mentioned shell steel plate length direction extensiblely.
5. the bending equipment of outer case of refrigerator as claimed in claim 4, it is characterized in that: the side at above-mentioned pedestal is provided with the position adjustments part, is used for regulating automatically the position of above-mentioned under casing.
6. the bending equipment of outer case of refrigerator as claimed in claim 5, it is characterized in that: above-mentioned position adjustments part is made up of shank of bolt and motor, this shank of bolt is arranged to adapt with above-mentioned guide rail extensiblely, and is connected with above-mentioned under casing, and motor is connected with a side of above-mentioned shank of bolt.
7. the bending equipment of outer case of refrigerator as claimed in claim 6, it is characterized in that: the other end of above-mentioned shank of bolt rotatably is connected with above-mentioned pedestal.
8. the bending equipment of outer case of refrigerator as claimed in claim 1 is characterized in that, described first mould is connected with first working shaft of first oil cylinder on being positioned at above-mentioned top case; The 3rd above-mentioned mould is connected with the 3rd working shaft of the 3rd oil cylinder, and on the energy/moving down, the 3rd oil cylinder is supported by above-mentioned under casing; Above-mentioned the 4th mould is connected with the 4th working shaft of the 4th oil cylinder, and can rotate, and the 4th oil cylinder is connected with a side of above-mentioned first mould.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR33984/96 | 1996-08-16 | ||
| KR1019960033984A KR100229130B1 (en) | 1996-08-16 | 1996-08-16 | Bending device of out sheet for a refrigerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1186006A CN1186006A (en) | 1998-07-01 |
| CN1093442C true CN1093442C (en) | 2002-10-30 |
Family
ID=19469761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97118557A Expired - Fee Related CN1093442C (en) | 1996-08-16 | 1997-08-15 | Outer case bending device of refrigerator |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP2790796B2 (en) |
| KR (1) | KR100229130B1 (en) |
| CN (1) | CN1093442C (en) |
| ID (1) | ID19365A (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101031510B1 (en) * | 2008-08-01 | 2011-05-04 | 옥기수 | Composition bending system and method of iron plate |
| CN101722235B (en) * | 2009-12-09 | 2012-05-23 | 浙江华美电器制造有限公司 | Plate metal production die used for refrigerator and freezer |
| CN101858680B (en) * | 2010-06-10 | 2011-07-27 | 安徽利华塑业科技有限公司 | Assembly for refrigerator back and compressor cabin |
| CN103182424B (en) * | 2011-12-27 | 2016-09-28 | 亿和精密工业（苏州）有限公司 | A kind of Bending Mould |
| CN102873222A (en) * | 2012-10-26 | 2013-01-16 | 昆山集智成模具有限公司 | Supporting mechanism for stamping part bending |
| CN105522019B (en) * | 2015-12-08 | 2018-12-21 | 上海思源电力电容器有限公司 | The positioning auxiliary device of tank of power capacitor manufacturing process |
| CN106694641B (en) * | 2016-12-07 | 2018-04-27 | 安徽鲲鹏装备模具制造有限公司 | A kind of Z-shaped bending machine |
| CN106734625A (en) * | 2016-12-31 | 2017-05-31 | 滁州市艾德模具设备有限公司 | A kind of refrigerator door termination bending cornerite mould |
| CN113560424B (en) * | 2021-07-27 | 2023-07-25 | 青岛科博尔智能装备有限公司 | Freezer outer box puncture riveting production line |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1072357A (en) * | 1991-11-21 | 1993-05-26 | M及S布鲁格股份公司 | Hydraulic operated squeezer |
| CN1073380A (en) * | 1991-11-21 | 1993-06-23 | M及S布鲁格股份公司 | Hydraulic operated squeezer |
-
1996
- 1996-08-16 KR KR1019960033984A patent/KR100229130B1/en not_active IP Right Cessation
-
1997
- 1997-08-13 JP JP9218831A patent/JP2790796B2/en not_active Expired - Fee Related
- 1997-08-15 CN CN97118557A patent/CN1093442C/en not_active Expired - Fee Related
- 1997-08-18 ID IDP972880A patent/ID19365A/en unknown
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1072357A (en) * | 1991-11-21 | 1993-05-26 | M及S布鲁格股份公司 | Hydraulic operated squeezer |
| CN1073380A (en) * | 1991-11-21 | 1993-06-23 | M及S布鲁格股份公司 | Hydraulic operated squeezer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1186006A (en) | 1998-07-01 |
| JP2790796B2 (en) | 1998-08-27 |
| JPH1085838A (en) | 1998-04-07 |
| KR19980014840A (en) | 1998-05-25 |
| ID19365A (en) | 1998-07-02 |
| KR100229130B1 (en) | 1999-12-01 |
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