CN106424323A - Punching fixture for refrigerator lower beam - Google Patents
Punching fixture for refrigerator lower beam Download PDFInfo
- Publication number
- CN106424323A CN106424323A CN201611016258.6A CN201611016258A CN106424323A CN 106424323 A CN106424323 A CN 106424323A CN 201611016258 A CN201611016258 A CN 201611016258A CN 106424323 A CN106424323 A CN 106424323A
- Authority
- CN
- China
- Prior art keywords
- underbeam
- punching
- wedge shape
- lower beam
- refrigerator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/34—Perforating tools; Die holders
-
- 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
- B21D53/00—Making other particular articles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention relates to the technical field of the manufacturing of refrigerator lower beam, and particularly relates to a punching fixture for refrigerator lower beam. The fixture comprises a punching mechanism and a stamping mechanism located below the punching mechanism. The punching mechanism comprises a wedge block and a punching table facing the wedge surface of the wedge block. An elastic strip is placed on the wedge surface of the wedge block. Both sides of the punching table are provided with rectangular grooves, wherein ice blocks are placed in the rectangular grooves. A punching head matching the rectangular grooves is placed on the stamping mechanism. The ice blocks are used to support the L shape lower beam, and to transfer the residual strength on the punching head to prevent the breaking of the L shape lower beam during the stamping operation in the thin and narrow side edges. The elastic strip positioned on the wedge block can simultaneously clamp the L shape lower beam and exert a function of relieving pressure to the side board of the L shape lower beam, and prevent the side board of the L shape lower beam from breaking in the stamping process.
Description
Technical field
The present invention relates to the manufacturing equipment field of refrigerator underbeam is and in particular to a kind of punching tool for refrigerator underbeam.
Background technology
The casing of refrigerator includes shell, inner bag, front top plate, central sill and underbeam, and wherein front top plate, central sill and underbeam is gold
Metal thin plate part, the global shape of underbeam is steel plate bending angle steel shape at a right angle, i.e. the underbeam of L-type, and underbeam is arranged on casing
Front lower position, the underbeam of metal material enables magnetic door seal adhesive to seal, is provided with and installs for door hinge on underbeam
Hole.
The door hinge hole that prior art is processed on underbeam mainly adopts punch forming, directly makes drift be pressed downward rushing during punching press
Workpiece on bed, arranges punching on punch press, when drift is pressed downward, washes out the workpiece at punching and forms hole, but this dress
Put there is problems that：The L-type underbeam quality of refrigerator is thin, and is located at edge more in door hinge the hole, is easily caused during punch
Slight crack, defective work piece in steel around punching.
Content of the invention
The invention is intended to providing a kind of punching tool for refrigerator underbeam, to solve under the L-type to refrigerator for the prior art
Easy crackled problem during beam punching.
The punching tool for refrigerator underbeam in this programme, the punching press including punch body and above punch body
Mechanism, described punch body includes the press bolster that wedge shape supports block and the lozenges with wedge shape supports block are oppositely arranged, described wedge shape
The lozenges of supports block is provided with elastic strip, and described press bolster two ends are equipped with rectangular recess, are filled with ice in described rectangular recess
Block, described punching mechanism is provided with the drift mating with rectangular recess.
The principle of this programme is：The narrow passage in one end width one end is defined, by L before punching press between wedge shape supports block and press bolster
Type underbeam leans against on press bolster, and it is solid that the side making L-type underbeam wide between wedge shape supports block and press bolster is inserted into narrow side
Fixed, the door hinge hole site of L-type underbeam is located at and adds above the groove of ice cube, and ice cube supports the L-type underbeam above groove, allows
Punching mechanism is pressed downward, and the edge of L-type underbeam is gone out door hinge hole, when L-type underbeam is gone out door hinge hole by drift, due to ice cube
Fragility, the surplus energy of punch transfers in ice cube.
The elastic strip of the lozenges setting of wedge shape supports block, has buffering to the vibration between L-type underbeam and wedge during punching press
Effect；During ram impacts L-type underbeam, to L-type underbeam, ice cube treats that impact site is played a supporting role；Due to the fragility of ice cube,
When drift passes through L-type underbeam molding door hinge hole, the surplus energy of drift is transferred on ice cube and is rushed rubble ice, prevents L-type underbeam excessive
Stress and fragmentation.
The beneficial effect of this programme is：1. use ice cube to support L-type underbeam, and unnecessary power on drift is shifted by ice cube
Amount, prevents the L-type underbeam fragmentation of the thin narrow corner of punching press；2., during punching press, the right angle interior angle of L-type underbeam leans against on press bolster, by
Between wedge shape supports block and press bolster, narrower side is fixed, and completely L-type underbeam is not attached on press bolster, prevents drift
Strength causes press bolster vibration to damage L-type underbeam；3. in wedge shape supports block, the elastic strip of setting, when clamping L-type underbeam, is gone back
The side plate of L-type underbeam can be played with the effect of compensator or trimmer pressure, prevent L-type underbeam side plate rupture during punching press.
Further, it is provided with the air bag isometric with punch body between described wedge shape supports block and press bolster.
When L-type underbeam inserts between wedge shape supports block and press bolster, the lower end of L-type underbeam side plate props up air bag, will during punching press
Air bag presses down generation deformation, and after the completion of punching press, because air bag can return to the original form, L-type underbeam is up ejected by air bag,
Ensure that and automatically take out L-type underbeam after the completion of punching press, air bag is also avoided that L-type underbeam is contacted with punch body, prevents under L-type
The lower end of beam side plate is by fragmentation.
Further, the described air bag upper surface setting rubber bar isometric with air bag.
Rubber bar can prevent L-type underbeam to be pressed down against during air bag racking air bag, the pressure pushing to L-type underbeam for the rubber bar
Power serves the effect of buffering.
Further, the lower end of described elastic strip is located above rubber bar.
Ensure rubber bar and its full space between wedge shape supports block and press bolster of lower air bag filling, prevent L-type underbeam and
The abrasion in this space causes the fragmentation of L-type underbeam.
Further, described rubber bar and the lozenges junction of wedge shape supports block are provided with adsorption hole.
Adsorption hole is detachably connected by realization between rubber bar and wedge shape supports block, when the abrasion of rubber bar or damage, rubber of tearing
Leather strap is replaceable new rubber bar, changes simple.
Further, the position of described rectangular recess is located at below the door hinge hole site of L-type underbeam, the chi of described rectangular recess
The very little door hinge hole size more than L-type underbeam.
Groove is located at the impulsive force that the ice cube in groove can be allowed under door hinge hole to disperse drift, prevents impulsive force from directly disperseing
L-type underbeam fragmentation is caused on press bolster；After the door hinge hole site slight variation of L-type underbeam, the size of groove is more than
The Assurance of Size ice cube in door hinge hole is located at below door hinge hole, to allow ice cube shift the unnecessary strength of drift.
Brief description
Fig. 1 is the structural representation of the embodiment of the present invention；
Fig. 2 is for A in Fig. 1 to profile；
Fig. 3 is for B in Fig. 1 to profile.
Specific embodiment
Embodiment one：
Reference in Figure of description includes：Punch body 1, punching mechanism 2, L-type underbeam 3, air bag 4, rubber bar 5, ice
Block 6, rectangular recess 11, elastic strip 12, press bolster 13, wedge shape supports block 14, drift 21, door hinge hole 31.
As shown in Figure 1：Punch body 1 includes thirty years of age relatively of press bolster 13 and wedge shape supports block 14, press bolster 13 He
Form the passage that may be inserted into L-type underbeam 3, passage end narrow one end width, one end of channel width supplies L-type underbeam between wedge shape supports block 14
3 insertions, on press bolster 13, two ends are respectively provided with a rectangular recess 11, are filled with ice cube 6, wedge shape supports block in rectangular recess 11
14 wedge-shaped surface is provided with the elastic strip 12 of rubber system, punch body 1 top setting punching mechanism 2, and punching mechanism 2 is arranged
Drift 21 corresponding with groove location.
As shown in Figure 2：L-type underbeam 3 is sticked into the passage between the press bolster 13 on punch body 1 and wedge shape supports block 14
When, elastic strip 12 pushes against the side plate of L-type underbeam 3, and the groove being filled with ice cube 6 is located on the two ends of press bolster 13.
As shown in Figure 3：When L-type underbeam 3 is clamped between the press bolster 13 on punch body 1 and wedge shape supports block 14, L-type
Underbeam 3 treats that chongmen fraising 31 covers above the groove of filling ice cube 6, is formed in passage between press bolster 13 and wedge shape supports block 14
It is provided with air bag 4, air bag 4 top setting rubber bar 5, elastic strip 12 is located above rubber bar 5.
The passage narrow due to defining one end width one end between wedge shape supports block 14 and press bolster 13, during processing L-type underbeam 3,
L-type underbeam 3 is leaned against on press bolster 13, allows L-type underbeam 3 be inserted into narrow side from the side of channel width and fix, L-type underbeam
3 door hinge hole 31 position is located at and is filled with above the groove of ice cube 6, and ice cube 6 supports the L-type underbeam 3 above groove, then allows punching
Press mechanism 2 is pressed downward, and the edge of L-type underbeam 3 is gone out door hinge hole 31, when L-type underbeam 3 is gone out door hinge hole 31 by drift 21,
Due to the rigid rigid difference than press bolster 13 of ice cube 6, so the surplus energy of drift 21 punching press can be transferred in ice cube 6.
Embodiment two：
Difference with embodiment one is, the ice cube 6 in groove is changed into the frozen water concordant with press bolster 13, then frozen water
It is frozen into ice cube 6.First fill with frozen water using groove and be frozen into ice cube 6 again, such ice cube 6 reduces ice cube 6 plane and punch press
Error between table top 13, it is ensured that the supporting role to L-type underbeam 3 for the ice cube 6, prevents gap between ice cube 6 and press bolster 13 from making
Become the deformation of the door hinge hole 31 not level after punching press.
The invention has the beneficial effects as follows：1.L type underbeam covers on ice cube, and ice cube can support L-type underbeam, ice cube during punching press
Unnecessary strength on drift can be shifted, prevent the L-type underbeam fragmentation of the thin narrow corner of punching press；2. during punching press, in the right angle of L-type underbeam
Angle is stuck on the right-angled edge of press bolster, and between wedge shape supports block and press bolster, L-type underbeam, wedge shape supports block are fixed in narrower side
Lozenges on elastic strip completely L-type underbeam is not attached on press bolster, prevent the strength of drift from causing press bolster to shake
Move and damage L-type underbeam；3. the elastic strip arranging in wedge shape supports block is when clamping L-type underbeam moreover it is possible to rise to the side plate of L-type underbeam
To the effect of compensator or trimmer pressure, prevent L-type underbeam side plate rupture during punching press；4. air bag and rubber bar can buffer L-type underbeam punching press
Strength, prevent L-type underbeam fragmentation, and when punching press completes, L-type underbeam can also be supported out, realize automatically taking of L-type underbeam
Part.
Above-described is only embodiments of the invention, and in scheme, the general knowledge here such as known concrete structure and characteristic is not made
Excessive description.It should be pointed out that for a person skilled in the art, on the premise of without departing from present configuration, acceptable
Make some deformation and improve, these also should be considered as protection scope of the present invention, these are implemented all without the impact present invention
Effect and practical applicability.This application claims protection domain should be defined by the content of its claim, in description
Specific embodiment etc. records the content that can be used for explaining claim.
Claims (6)
1. it is used for the punching tool of refrigerator underbeam, the punching mechanism including punch body and above punch body, its feature
It is：Described punch body includes the press bolster that wedge shape supports block and the lozenges with wedge shape supports block are oppositely arranged, described wedge shape
The lozenges of supports block is provided with elastic strip, and described press bolster two ends are equipped with rectangular recess, are filled with ice in described rectangular recess
Block, described punching mechanism is provided with the drift mating with rectangular recess.
2. the punching tool for refrigerator underbeam according to claim 1 it is characterised in that：Described wedge shape supports block and punch press
It is provided with the air bag isometric with punch body between table top.
3. the punching tool for refrigerator underbeam according to claim 2 it is characterised in that：Described air bag upper surface setting
The rubber bar isometric with air bag.
4. the punching tool for refrigerator underbeam according to claim 3 it is characterised in that：The lower end position of described elastic strip
Above rubber bar.
5. the punching tool for refrigerator underbeam according to claim 4 it is characterised in that：Described rubber bar is supported with wedge shape
The lozenges junction of block is provided with adsorption hole.
6. the punching tool for refrigerator underbeam according to claim 1 it is characterised in that：The position of described rectangular recess
Below the door hinge hole site of L-type underbeam, the size of described rectangular recess is more than the door hinge hole size of L-type underbeam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611016258.6A CN106424323B (en) | 2016-11-18 | 2016-11-18 | For the punching tool of refrigerator underbeam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611016258.6A CN106424323B (en) | 2016-11-18 | 2016-11-18 | For the punching tool of refrigerator underbeam |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106424323A true CN106424323A (en) | 2017-02-22 |
| CN106424323B CN106424323B (en) | 2018-05-22 |
Family
ID=58220325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611016258.6A Active CN106424323B (en) | 2016-11-18 | 2016-11-18 | For the punching tool of refrigerator underbeam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106424323B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106955944A (en) * | 2017-03-24 | 2017-07-18 | 遵义鑫航通科技发展有限公司 | Refrigerator underbeam processing unit (plant) |
| CN111438268A (en) * | 2020-04-10 | 2020-07-24 | 闫华耀 | Punching die |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4689979A (en) * | 1983-12-21 | 1987-09-01 | Honda Giken Kogyo Kabushiki Kaisha | Pressing method and punch and die press for the same |
| CN201760499U (en) * | 2010-06-30 | 2011-03-16 | 重庆理工大学 | Backward deep drawing die with outer edge subject to back pressure of forward pressure belt |
| CN202185509U (en) * | 2011-07-08 | 2012-04-11 | 四川五新智能设备有限公司 | Angle steel punching die |
| CN104209393A (en) * | 2014-09-05 | 2014-12-17 | 苏州洛特兰新材料科技有限公司 | Punching device for circular-ring end heads |
| CN105170777A (en) * | 2015-07-16 | 2015-12-23 | 昆山—邦泰汽车零部件制造有限公司 | Punching mold for stabilizing product |
-
2016
- 2016-11-18 CN CN201611016258.6A patent/CN106424323B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4689979A (en) * | 1983-12-21 | 1987-09-01 | Honda Giken Kogyo Kabushiki Kaisha | Pressing method and punch and die press for the same |
| CN201760499U (en) * | 2010-06-30 | 2011-03-16 | 重庆理工大学 | Backward deep drawing die with outer edge subject to back pressure of forward pressure belt |
| CN202185509U (en) * | 2011-07-08 | 2012-04-11 | 四川五新智能设备有限公司 | Angle steel punching die |
| CN104209393A (en) * | 2014-09-05 | 2014-12-17 | 苏州洛特兰新材料科技有限公司 | Punching device for circular-ring end heads |
| CN105170777A (en) * | 2015-07-16 | 2015-12-23 | 昆山—邦泰汽车零部件制造有限公司 | Punching mold for stabilizing product |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106955944A (en) * | 2017-03-24 | 2017-07-18 | 遵义鑫航通科技发展有限公司 | Refrigerator underbeam processing unit (plant) |
| CN106955944B (en) * | 2017-03-24 | 2018-09-14 | 遵义鑫航通科技发展有限公司 | Refrigerator underbeam processing unit (plant) |
| CN111438268A (en) * | 2020-04-10 | 2020-07-24 | 闫华耀 | Punching die |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106424323B (en) | 2018-05-22 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191121 Address after: 225321 diaopu Street Industrial Park, Gaogang District, Taizhou City, Jiangsu Province Patentee after: Li Qiannan Address before: 563300 Guizhou city of Zunyi province Fenghua town Yonghong Village Patentee before: Suiyang County Kang FA Co., Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201221 Address after: 402760 No.92 Donglin Avenue, Biquan street, Bishan District, Chongqing Patentee after: Chongqing high tech Industry Research Institute Co., Ltd Address before: 225321 diaopu Street Industrial Park, Gaogang District, Taizhou City, Jiangsu Province Patentee before: Li Qiannan |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210803 Address after: 400000 workshop 1, 2, 3 and 4, floor 1, unit 2, building 1, No. 3, Jujin Avenue, Biquan street, Bishan District, Chongqing Patentee after: CHONGQING KETAI SURFACE TREATMENT Co.,Ltd. Address before: 402760 No.92 Donglin Avenue, Biquan street, Bishan District, Chongqing Patentee before: Chongqing high tech Industry Research Institute Co., Ltd |