CN107470455A - Beam mould and its moulding process in a kind of household refrigerator-freezer - Google Patents
Beam mould and its moulding process in a kind of household refrigerator-freezer Download PDFInfo
- Publication number
- CN107470455A CN107470455A CN201710759631.5A CN201710759631A CN107470455A CN 107470455 A CN107470455 A CN 107470455A CN 201710759631 A CN201710759631 A CN 201710759631A CN 107470455 A CN107470455 A CN 107470455A
- Authority
- CN
- China
- Prior art keywords
- die
- mould
- upper bolster
- fixed
- central sill
- 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
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000000465 moulding Methods 0.000 title claims abstract description 10
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 23
- 239000011230 binding agent Substances 0.000 claims abstract description 17
- 239000011265 semifinished product Substances 0.000 claims abstract description 13
- 238000007493 shaping process Methods 0.000 claims abstract description 13
- 238000004080 punching Methods 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims description 13
- 210000001161 mammalian embryo Anatomy 0.000 claims description 9
- 238000005452 bending Methods 0.000 claims description 7
- 238000001125 extrusion Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 238000005516 engineering process Methods 0.000 abstract description 5
- 239000000047 product Substances 0.000 description 6
- 239000000243 solution Substances 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003746 surface roughness Effects 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
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- 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
- B21D47/00—Making rigid structural elements or units, e.g. honeycomb structures
- B21D47/01—Making rigid structural elements or units, e.g. honeycomb structures beams or pillars
Abstract
The invention discloses beam mould and its moulding process in a kind of household refrigerator-freezer, is related to household refrigerator-freezer accessory fabricating technology field.Including mould of clapping, stamping die and finishing die；Blank is fabricated to semi-finished product by blank by shaping, clapping with three steps of punching press；By reinforcing plate by finishing die machine-shaping, completed after reinforcing plate is installed into semi-finished product central sill.The present invention reduces assembly method between structure, reduces manufacturing procedure, reduce the use of production equipment, have and improve processing efficiency, reduce production cost, economize on resources by setting guide pillar and binder block in mould of clapping；By setting reinforcing plate to be nested among central sill, the weight capacity of central sill is improved, improves security performance, is increased the service life.
Description
Technical field
The invention belongs to household refrigerator-freezer accessory fabricating technology field, more particularly to a kind of household refrigerator-freezer central sill
Mould and its moulding process.
Background technology
Blank is set to turn into the instrument for having given shape and the product of size under external force.Be widely used in punching, die forging,
Cold-heading, extruding, metallic sintered products compacting, compression casting, and the compression moulding or injection of the product such as engineering plastics, rubber, ceramics
In forming.Mould has specific profile or cavity shape, can make blank by wheel using the contour shape with cutting edge
Separation (punching) occurs for profile shape.Using cavity shape blank can be made to obtain corresponding three-dimensional shape.Mould generally comprises dynamic
Two parts of mould and cover half (or punch-pin and cavity plate), the two is partable.Product is taken out when separating, blank is injected mould when closing up
Has die cavity shaping.Mould is precision instrument, complex-shaped, bears the expansive force of blank, to structural strength, rigidity, case hardness, table
Surface roughness and machining accuracy all have higher requirements, the development level of mould production be the horizontal important symbol of machine-building it
One.
The processing technology of present household refrigerator-freezer central sill is complicated, and step is various, and mould materials are more, and processing capacity is more, mould into
This height；Shaping dies at a kind of currently designed household refrigerator-freezer central sill, coordinated by binder block and guide pillar disposably by central sill
Die casting is clapped, and reduces manufacturing procedure, reduces cost.
The content of the invention
It is an object of the invention to provide beam mould and its moulding process in a kind of household refrigerator-freezer, by mould of clapping
Guide pillar and binder block are set, reduce assembly method between structure, manufacturing procedure is reduced, reduces the use of production equipment, have
Processing efficiency is improved, production cost is reduced, economizes on resources；By setting reinforcing plate to be nested among central sill, central sill is improved
Weight capacity, security performance is improved, increased the service life.
In order to solve the above technical problems, the present invention is achieved by the following technical solutions：
The present invention is beam mould in a kind of household refrigerator-freezer, including mould of clapping, stamping die and finishing die；
The mould of clapping includes the first die shoe, the first upper bolster, the first lead and a binder block；Wherein, described
One die shoe surface is fixed with one first backing plate；The backing plate is fixedly arranged above one first cavity plate and a binder block；The binder
Block is slided up and down by guide pillar；The surface of first upper bolster one is fixed with one first punch-die；First die shoe and
One upper bolster is connected by the first lead；First upper bolster leads to the first lead and moved up and down；
The stamping die includes the second die shoe, the second upper bolster and die shank；Wherein, the second die shoe surface is fixed
There is one second backing plate；The surface both ends of second backing plate one are equiped with one second cavity plate respectively；The surface of second upper bolster one
One first die shank is fixed with, another surface both ends of the second upper bolster are respectively fixed with one second punch-die；
The finishing die includes the 3rd die shoe, the 3rd upper bolster and the 3rd lead；Wherein, the 3rd die shoe dress
Provided with fixed plate；The surface of 3rd upper bolster one is fixed with one second die shank；Another surface of 3rd upper bolster is fixed with
One punch-pin；3rd upper bolster is connected with the 3rd die shoe by the second lead.
Further, fixation has elastic component in the guide pillar, the guide pillar from the first upper bolster push and to bottom offset.
A kind of household refrigerator-freezer central sill moulding process, comprises the following steps：
The first step：Shaping
The embryo material of household refrigerator-freezer central sill is taken, using finishing die, by the fixed plate on finishing die and punch-pin by semi-finished product
The bending of embryo material both sides is U-typed；
Second step：Clap
Semi-finished blank after shaping is taken out, mould of clapping is put into, passes through the first cavity plate on mould, the first punch-die of clapping
The U-typed structure extruding of semi-finished blank both sides is clapped with binder block；
3rd step：Punching press
Semi-finished blank after clapping takes out, and is put into stamping die, passes through the second cavity plate and the second convex-concave on stamping die
Mould is by the punching press of semi-finished blank both ends.
Further, the semi-finished product embryo material both sides bending be U-typed structure after reversely clapped again.
Further, described central sill one end is fixed with a reinforcing plate, and the reinforcing plate passes through finishing die extrusion molding.
The invention has the advantages that：
1st, the present invention reduces assembly method between structure, reduces processing by setting guide pillar and binder block in mould of clapping
Process, reduce the use of production equipment, have and improve processing efficiency, reduce production cost, economize on resources.
2nd, the present invention improves the weight capacity of central sill, improves safety by setting reinforcing plate to be nested among central sill
Performance, increase the service life.
Certainly, any product for implementing the present invention it is not absolutely required to reach all the above advantage simultaneously.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, used required for being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for ability
For the those of ordinary skill of domain, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings other attached
Figure.
Fig. 1 is the structural representation of mould of clapping；
Fig. 2 is the close-up schematic view at A in Fig. 1；
Fig. 3 is the structural representation of stamping die；
Fig. 4 is the close-up schematic view at B in Fig. 3；
Fig. 5 is that the structure of finishing die is intended to；
Fig. 6 is the top view of blank；
Fig. 7 is the semi-finished product top view after central sill punching press；
Fig. 8 is the blank top view of reinforcing plate；
Fig. 9 is the structural front view of the reinforcing plate after shaping；
Figure 10 is the structure left view of the reinforcing plate after shaping；
Figure 11 is the finished product structure front view of central sill；
Figure 12 is the close-up schematic view at C in Figure 11；
Figure 13 is Figure 11 rearview；
Figure 14 is Section A-A figure in Figure 13；
In accompanying drawing, the list of parts representated by each label is as follows：
1- claps mould, 2- stamping dies, 3- finishing dies, 4- central sills, 5- reinforcing plates, the die shoes of 101- first, and 102- first is padded
Plate, the cavity plates of 103- first, the punch-dies of 104- first, the upper bolsters of 105- first, the leads of 106- first, 107- binder blocks, 108-
Guide pillar, the die shoes of 201- second, the backing plates of 202- second, the cavity plates of 203- second, the punch-dies of 204- second, the upper bolsters of 205- second,
The die shanks of 206- first, the die shoes of 301- the 3rd, 302- fixed plates, 303- punch-pin, the upper bolsters of 304- the 3rd, the die shanks of 305- second,
401- blanks, 402- semi-finished product central sills, the through holes of 403- first, the through holes of 404- second, 501- are raised.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
In the description of the invention, it is to be understood that term " perforate ", " on ", " under ", " thickness ", " top ", " in ",
Indicating position or the position relationship such as " length ", " interior ", " surrounding ", it is for only for ease of the description present invention and simplifies description, without
It is that the component of instruction or hint meaning or element must have specific orientation, with specific azimuth configuration and operation, therefore not
It is understood that as limitation of the present invention.
Beam mould in a kind of household refrigerator-freezer, including mould 1 of clapping, stamping die 2 and finishing die 3；
Wherein as shown in Figure 1-2, mould 1 of clapping includes the first die shoe 101, the first upper bolster 105, the first lead 106
With a binder block 107；Wherein, the surface of the first die shoe 101 is fixed with one first backing plate 102；Backing plate 102 is fixedly arranged above one
One cavity plate 103 and a binder block 107；Binder block 107 is slided up and down by guide pillar 108；The surface of first upper bolster 105 1 is fixed with
One first punch-die 104；First die shoe 101 and the first upper bolster 105 are connected by the first lead 106；First upper bolster
105 are moved up and down by the first lead 105；
Wherein as shown in Figure 3-4, stamping die 2 includes the second die shoe 201, the second upper bolster 205 and die shank 206；Wherein,
The surface of second die shoe 201 is fixed with one second backing plate 202；It is recessed that the surface both ends of second backing plate 202 1 are equiped with one second respectively
Mould 203；The surface of second upper bolster 205 1 is fixed with one first die shank 206, and 205 another surface both ends of the second upper bolster are solid respectively
Surely there is one second punch-die 204；
Wherein as shown in figure 5, finishing die 3 includes the 3rd die shoe 301, the 3rd upper bolster 304 and the 3rd lead 306；
Wherein, the 3rd die shoe fills 301 and is provided with fixed plate 302；The surface of 3rd upper bolster 304 1 is fixed with one second die shank 305；3rd
304 another surface of upper bolster is fixed with a punch-pin 303；3rd upper bolster 304 and the 3rd die shoe 301 pass through the second lead
306 connections.
Wherein, fixation has elastic component in guide pillar 108, guide pillar 108 from the first upper bolster 105 push and to bottom offset.
A kind of household refrigerator-freezer central sill moulding process, comprises the following steps：
The first step：Shaping
The embryo material 401 of household refrigerator-freezer central sill is taken, using finishing die 3, passes through the fixed plate 302 and punch-pin on finishing die 3
The both sides bending of semi-finished product embryo material 401 is U-typed by 303；
Second step：Clap
Semi-finished blank after shaping is taken out, mould 1 of clapping is put into, passes through the first cavity plate 103, first on mould 1 of clapping
Punch-die 104 and binder block 107 clap the U-typed structure extruding of semi-finished blank both sides；
3rd step：Punching press
Semi-finished blank after clapping takes out, and is put into stamping die 2, passes through the second cavity plate 203 and second on stamping die 1
Punch-die 204 is by the punching press of semi-finished blank both ends.
Wherein, the both sides bending of semi-finished product embryo material 401 be U-typed structure after reversely clapped again.
Wherein, the one end of central sill 4 is fixed with a reinforcing plate 5, and reinforcing plate 5 passes through the extrusion molding of finishing die 3.
One of the present embodiment has particular application as：
The assembling of central sill, comprises the following steps；
The forming technology of reinforcing plate：
As seen in figs. 8-10, the blank of reinforcing plate is taken, using finishing die 3, the blank of reinforcing plate is placed on fixed plate 302
On, pushed by punch-pin 303 and strengthen plate blank material pressing and bending into U-typed.
The installation of reinforcing plate：
As illustrated in figs. 11-14, the reinforcing plate 5 after shaping is nested into the centre of semi-finished product central sill 402, passes through reinforcing plate 5
The projection 501 at both ends coordinates with the first through hole 403 on semi-finished product central sill 402 positions reinforcing plate, passes through the second through hole
404 and the 3rd through hole 502 cooperate reinforcing plate 5 be fixed on the one end of semi-finished product central sill 402.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
At least one implementation of the present invention is contained in reference to specific features, structure, material or the feature that the embodiment or example describe
In example or example.In this manual, identical embodiment or example are not necessarily referring to the schematic representation of above-mentioned term.
Moreover, specific features, structure, material or the feature of description can close in any one or more embodiments or example
Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help and illustrates the present invention.Preferred embodiment is not detailed
All details are described, it is only described embodiment also not limit the invention.Obviously, according to the content of this specification,
It can make many modifications and variations.This specification is chosen and specifically describes these embodiments, is to preferably explain the present invention
Principle and practical application so that skilled artisan can be best understood by and utilize the present invention.The present invention is only
Limited by claims and its four corner and equivalent.
Claims (5)
- A kind of 1. household refrigerator-freezer central sill mould, it is characterised in that：Including mould of clapping (1), stamping die (2) and finishing die (3)；The mould of clapping (1) includes the first die shoe (101), the first upper bolster (105), the first lead (106) and a binder Block (107)；Wherein, the first die shoe (101) surface is fixed with one first backing plate (102)；The backing plate (102) is fixedly arranged above one first cavity plate (103) and a binder block (107)；The binder block (107) is slided up and down by guide pillar (108)；The surface of first upper bolster (105) one is fixed with one first punch-die (104)；First die shoe (101) and the first upper bolster (105) are connected by the first lead (106)；Mould on described first Seat (105) is moved up and down by the first lead (105)；The stamping die (2) includes the second die shoe (201), the second upper bolster (205) and die shank (206)；Wherein, the second die shoe (201) surface is fixed with one second backing plate (202)；The surface both ends of second backing plate (202) one are equiped with one second cavity plate (203) respectively；The surface of second upper bolster (205) one is fixed with one first die shank (206), another table of second upper bolster (205) Face both ends are respectively fixed with one second punch-die (204)；The finishing die (3) includes the 3rd die shoe (301), the 3rd upper bolster (304) and the 3rd lead (306)；Wherein, the 3rd die shoe fills 301 and is provided with fixed plate (302)；The surface of 3rd upper bolster (304) one is fixed with one second die shank (305)；Another surface of 3rd upper bolster (304) is fixed with a punch-pin (303)；3rd upper bolster (304) is connected with the 3rd die shoe (301) by the second lead (306).
- A kind of 2. household refrigerator-freezer central sill mould according to claim 1, it is characterised in that the guide pillar (108) Middle fixation has elastic component, and the guide pillar (108) is pushed from the first upper bolster (105) and to bottom offset.
- 3. a kind of household refrigerator-freezer central sill moulding process, it is characterised in that comprise the following steps：The first step：ShapingTake the embryo material (401) of household refrigerator-freezer central sill, using finishing die (3), by the fixed plate (302) on finishing die (3) and Semi-finished product embryo material (401) both sides bending is U-typed by punch-pin (303)；Second step：ClapSemi-finished blank after shaping is taken out, is put into mould of clapping (1), passes through the first cavity plate (103) on mould of clapping (1), the One punch-die (104) and binder block (107) clap the U-typed structure extruding of semi-finished blank both sides；3rd step：Punching pressSemi-finished blank after clapping takes out, and is put into stamping die (2), passes through the second cavity plate (203) on stamping die (1) and the Two punch-dies (204) are by the punching press of semi-finished blank both ends.
- A kind of 4. household refrigerator-freezer central sill moulding process according to claim 3, it is characterised in that the semi-finished product embryo material (401) both sides bending be U-typed structure after reversely clapped again.
- A kind of 5. household refrigerator-freezer central sill moulding process according to claim 3, it is characterised in that the central sill (4) one End is fixed with a reinforcing plate (5), and the reinforcing plate (5) passes through finishing die (3) extrusion molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710759631.5A CN107470455B (en) | 2017-08-30 | 2017-08-30 | Beam mould in a kind of household refrigerator-freezer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710759631.5A CN107470455B (en) | 2017-08-30 | 2017-08-30 | Beam mould in a kind of household refrigerator-freezer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107470455A true CN107470455A (en) | 2017-12-15 |
| CN107470455B CN107470455B (en) | 2019-05-28 |
Family
ID=60603061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710759631.5A Active CN107470455B (en) | 2017-08-30 | 2017-08-30 | Beam mould in a kind of household refrigerator-freezer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107470455B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108380718A (en) * | 2018-03-12 | 2018-08-10 | 合肥晓阳工贸有限公司 | Refrigerator central sill both ends automatic punching machine |
| CN114247812A (en) * | 2021-12-15 | 2022-03-29 | 滁州市艾德模具设备有限公司 | Lower front beam flattening and closing integrated structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05293555A (en) * | 1992-04-23 | 1993-11-09 | Mitsubishi Electric Corp | Device for manufacturing forming rail |
| CN1345639A (en) * | 2000-09-25 | 2002-04-24 | 富金精密工业(深圳)有限公司 | Coiling and press-levelling formation method for sheet metal material |
| CN2693370Y (en) * | 2004-04-23 | 2005-04-20 | 河南新飞电器有限公司 | Second compacting invert punching die for refrigerator beam |
| CN203235827U (en) * | 2013-05-21 | 2013-10-16 | 青岛鸿森重工有限公司 | Refrigerator mid-front beam slapping and necking die device |
| CN104056965A (en) * | 2014-05-28 | 2014-09-24 | 合肥金海康五金机械制造有限公司 | Disposable side-pushing and planishing structure for upper die of center beam of refrigerator |
| CN204700150U (en) * | 2015-05-14 | 2015-10-14 | 深圳市科本精密模具有限公司 | A kind of five metals is clapped mould |
-
2017
- 2017-08-30 CN CN201710759631.5A patent/CN107470455B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05293555A (en) * | 1992-04-23 | 1993-11-09 | Mitsubishi Electric Corp | Device for manufacturing forming rail |
| CN1345639A (en) * | 2000-09-25 | 2002-04-24 | 富金精密工业(深圳)有限公司 | Coiling and press-levelling formation method for sheet metal material |
| CN2693370Y (en) * | 2004-04-23 | 2005-04-20 | 河南新飞电器有限公司 | Second compacting invert punching die for refrigerator beam |
| CN203235827U (en) * | 2013-05-21 | 2013-10-16 | 青岛鸿森重工有限公司 | Refrigerator mid-front beam slapping and necking die device |
| CN104056965A (en) * | 2014-05-28 | 2014-09-24 | 合肥金海康五金机械制造有限公司 | Disposable side-pushing and planishing structure for upper die of center beam of refrigerator |
| CN204700150U (en) * | 2015-05-14 | 2015-10-14 | 深圳市科本精密模具有限公司 | A kind of five metals is clapped mould |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108380718A (en) * | 2018-03-12 | 2018-08-10 | 合肥晓阳工贸有限公司 | Refrigerator central sill both ends automatic punching machine |
| CN108380718B (en) * | 2018-03-12 | 2023-09-05 | 合肥晓阳工贸有限公司 | Automatic punching machine for two ends of middle beam of refrigerator |
| CN114247812A (en) * | 2021-12-15 | 2022-03-29 | 滁州市艾德模具设备有限公司 | Lower front beam flattening and closing integrated structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107470455B (en) | 2019-05-28 |
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Effective date of registration: 20190507 Address after: 224200 Linta Road, Linta Electrical and Mechanical Industrial Park, Liangduo Town, Dongtai City, Yancheng City, Jiangsu Province Applicant after: KANGSHUAI COLD CHAIN EQUIPMENT TECHNOLOGY Co.,Ltd. Address before: 230000 No. 1 # 2 # Workshop, No. 18 Jingui Road, Hefei High-tech Zone, Anhui Province Applicant before: HEFEI ZHENGTE MACHINERY Co.,Ltd. |
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Effective date of registration: 20240126 Address after: Room 1614-4, No. 32 Tieling Road, Yangpu District, Shanghai, 200000 Patentee after: SHANGHAI KANGSHUAI COLD CHAIN TECHNOLOGY Co.,Ltd. Country or region after: China Address before: 224200 Linta Road, Linta Electrical and Mechanical Industrial Park, Liangduo Town, Dongtai City, Yancheng City, Jiangsu Province Patentee before: KANGSHUAI COLD CHAIN EQUIPMENT TECHNOLOGY Co.,Ltd. Country or region before: China |