CN113799209A - Trimming and punching device and using method thereof - Google Patents
Trimming and punching device and using method thereof Download PDFInfo
- Publication number
- CN113799209A CN113799209A CN202111163795.4A CN202111163795A CN113799209A CN 113799209 A CN113799209 A CN 113799209A CN 202111163795 A CN202111163795 A CN 202111163795A CN 113799209 A CN113799209 A CN 113799209A
- Authority
- CN
- China
- Prior art keywords
- punching
- trimming
- die
- blade
- airbag
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/02—Perforating by punching, e.g. with relatively-reciprocating punch and bed
- B26F1/14—Punching tools; Punching dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/08—Means for treating work or cutting member to facilitate cutting
- B26D7/10—Means for treating work or cutting member to facilitate cutting by heating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/38—Cutting-out; Stamping-out
- B26F1/44—Cutters therefor; Dies therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/74—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/02—Preparation of the material, in the area to be joined, prior to joining or welding
- B29C66/022—Mechanical pre-treatments, e.g. reshaping
- B29C66/0224—Mechanical pre-treatments, e.g. reshaping with removal of material
- B29C66/02241—Cutting, e.g. by using waterjets, or sawing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/02—Preparation of the material, in the area to be joined, prior to joining or welding
- B29C66/022—Mechanical pre-treatments, e.g. reshaping
- B29C66/0224—Mechanical pre-treatments, e.g. reshaping with removal of material
- B29C66/02241—Cutting, e.g. by using waterjets, or sawing
- B29C66/02242—Perforating or boring
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Air Bags (AREA)
Abstract
The invention relates to the technical field of air bag trimming and punching, in particular to a trimming and punching device and a using method thereof. The trimming and punching device comprises a positioning die and a trimming and punching die matched with the positioning die, wherein the trimming and punching die comprises an upper template, a trimming blade embedded at the periphery of the upper template and a plurality of punching blades embedded at the bottom of the upper template; when the trimming and punching die is combined with the positioning die, the trimming blade and the punching blade are both abutted against the positioning die. By using the trimming and punching device, the situation that the airbag is damaged due to the fact that the inflation-free bilateral airbag is dislocated to cause punching is avoided, and trimming and punching of the inflation-free bilateral airbag are realized by the fact that the trimming blade and the punching blade are cut into the elastic material layer of the inflation-free bilateral airbag in the pressing process.
Description
Technical Field
The invention relates to the technical field of air bag trimming and punching, in particular to a trimming and punching device and a using method thereof.
Background
Present exempt from to aerify bilateral gasbag (refer to patent application number 201810235314.8's embodiment 1) include that a plurality of array arrangement and interconnect are the upper gasbag of the plane body, a plurality of array arrangement and interconnect are the lower floor's gasbag of the plane body and connect the elastic material layer between upper gasbag and lower floor's gasbag, adjacent between the upper gasbag and adjacent all be equipped with soft limit connecting portion between the gasbag of lower floor, upper gasbag, next time gasbag and elastic material layer are overall structure, upper gasbag and lower floor's gasbag symmetry set up.
In order to make the air permeability of the inflation-free double-sided airbag better, the elastic material layer is punched, however, due to the concave-convex characteristics of the two sides of the inflation-free double-sided airbag, the existing punching equipment is adopted to punch holes, so that the punching position is poor and the airbag is damaged.
Disclosure of Invention
In order to overcome the defects and shortcomings in the prior art, the invention aims to provide the trimming and punching device suitable for the inflation-free double-side airbag, so that the airbag is prevented from being damaged due to dislocation of punching.
The invention also aims to provide a using method of the trimming and punching device, which is simple to operate, convenient to control and high in production efficiency and can be used for large-scale production.
The purpose of the invention is realized by the following technical scheme: the trimming and punching device comprises a positioning die and a trimming and punching die matched with the positioning die, wherein the trimming and punching die comprises an upper template, a trimming blade embedded at the periphery of the upper template and a plurality of punching blades embedded at the bottom of the upper template; when the trimming and punching die is combined with the positioning die, the trimming blade and the punching blade are both abutted against the positioning die.
Preferably, the positioning die comprises a lower template, an outer frame sleeved on the outer side wall of the lower template, and an insulating plate abutted against the top of the lower template, and the lower template and the insulating plate are both provided with the first abdicating hole; when the trimming and punching die is combined with the positioning die, the trimming blade and the punching blade are both abutted against the insulating plate.
Preferably, the inner wall of the outer frame and the top of the insulating plate are enclosed to form an object placing space.
Preferably, a clamping hole used for being embedded into the punching blade is formed between every two adjacent second yielding holes, and the punching blade is embedded into the clamping hole.
Preferably, the trimming and punching die further comprises a connecting piece connected with the upper die plate, and the connecting piece is used for connecting external hot-pressing equipment.
Preferably, the trimming and punching die further comprises an elastic piece connected with the upper die plate, and the elastic piece is accommodated in the punching blade.
Preferably, the bottom outer edge of the upper template is wedge-shaped.
Preferably, the trimming blade and the punching blade are both steel blades.
The other purpose of the invention is realized by the following technical scheme: the use method of the trimming and punching device comprises the following steps:
(S1), taking the inflation-free double-side airbag and the hot-pressing equipment for standby;
(S2), the trimming and punching device is installed on a hot-pressing device, the inflation-free bilateral airbag is placed in a positioning die for positioning, then the hot-pressing device drives the trimming and punching die to hot-press the inflation-free bilateral airbag, and trimming and punching of the inflation-free bilateral airbag are completed.
Preferably, the hot pressing temperature of the trimming and punching die is 130-140 ℃, and the hot pressing equipment is a hot press, a high-frequency machine or a high-frequency machine.
The invention has the beneficial effects that: when the trimming and punching device is used, the inflation-free bilateral airbag is placed in the positioning die, the lower layer airbag of the inflation-free bilateral airbag is sunk into the first abdicating hole for positioning, the trimming and punching die is matched with the positioning die, the second abdicating hole corresponds to the first abdicating hole, and the upper layer airbag of the inflation-free bilateral airbag is sunk into the second abdicating hole during pressing, so that the airbag is prevented from being damaged due to dislocation of punched holes caused by dislocation of the inflation-free bilateral airbag, and the trimming blade and the punching blade are both cut into the elastic material layer of the inflation-free bilateral airbag during pressing, so that trimming and punching of the inflation-free bilateral airbag are realized.
The use method of the trimming and punching device is simple to operate, convenient to control, high in production efficiency and low in production cost, and can be used for large-scale production. Compared with the traditional low-efficiency production mode that the elastic material layer between two adjacent lower-layer air bags is manually supported to punch holes and only one hole can be punched at a time, the using method of the trimming and punching device is higher in efficiency.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a bottom view of the trimming-punching die of the present invention.
The reference signs are: 1. a first abdicating hole; 2. a second abdicating hole; 3. positioning the mold; 31. a lower template; 32. an outer frame; 33. an insulating plate; 4. trimming and punching dies; 41. mounting a template; 42. a trimming blade; 43. a punching blade; 44. a connecting member; 45. an elastic member.
Detailed Description
For the understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.
Example 1
As shown in fig. 1-2, an edge cutting and punching device includes a positioning die 3 and an edge cutting and punching die 4 matched with the positioning die 3, wherein the edge cutting and punching die 4 includes an upper die plate 41, an edge cutting blade 42 embedded at the periphery of the upper die plate 41, and a plurality of punching blades 43 embedded at the bottom of the upper die plate 41, the positioning die 3 is provided with a plurality of first abdicating holes 1 arranged at intervals, and the upper die plate 41 is provided with a plurality of second abdicating holes 2 arranged at intervals and corresponding to the first abdicating holes 1; when the trimming and punching die 4 is pressed on the positioning die 3, the trimming blade 42 and the punching blade 43 are both abutted against the positioning die 3.
When the trimming and punching device is used, the inflation-free bilateral airbag is arranged in the positioning die 3, the lower airbag of the inflation-free bilateral airbag is enabled to be trapped in the first yielding hole 1 for positioning, the trimming and punching die 4 is pressed in the positioning die 3, the second yielding hole 2 corresponds to the first yielding hole 1, the upper airbag of the inflation-free bilateral airbag is trapped in the second yielding hole 2 during pressing, the airbag is prevented from being damaged due to dislocation of the inflation-free bilateral airbag, the trimming blade 42 and the punching blade 43 both cut into the elastic material layer of the inflation-free bilateral airbag during pressing, the edge of the inflation-free bilateral airbag is trimmed, and the elastic material layer is punched. The first yielding hole 1 and the second yielding hole 2 correspond to the lower-layer airbag of the inflation-free bilateral airbag, so that the lower-layer airbag of the inflation-free bilateral airbag is guaranteed to be sunk into the first yielding hole 1. Install this side cut punching device in the hot pressing equipment, the side cut effect of punching a hole is better, efficiency is higher.
In this embodiment, the positioning die 3 includes a lower template 31, an outer frame 32 sleeved on an outer side wall of the lower template 31, and an insulating plate 33 abutted against a top of the lower template 31, and the lower template 31 and the insulating plate 33 are both provided with the first abdicating hole 1; when the trimming and punching die 4 is pressed on the positioning die 3, the trimming blade 42 and the punching blade 43 are both abutted against the insulating plate 33.
By adopting the technical scheme, the trimming and punching of the trimming and punching device are facilitated; when the trimming and punching device is installed on hot-pressing equipment, particularly a high-frequency machine, the arranged insulating plate 33 prevents the trimming and punching die 4 from being conducted with the lower template 31 to influence the normal use of the high-frequency machine.
In this embodiment, the inner wall of the outer frame 32 and the top of the insulating plate 33 form an accommodation space.
By adopting the technical scheme, the inflation-free double-side air bag is more conveniently arranged in the positioning die 3 for positioning, and the positioning efficiency is improved.
In this embodiment, a clamping hole for inserting the punching blade 43 is provided between two adjacent second yielding holes 2, and the punching blade 43 is embedded in the clamping hole.
With the above technical solution, the punching blade 43 is embedded in the embedding hole to improve the stability of the punching blade 43.
In this embodiment, the trimming and punching die 4 further includes a connecting member 44 connected to the upper die plate 41, and the connecting member 44 is used for connecting to an external hot-pressing device.
By adopting the technical scheme, the trimming and punching die 4 is conveniently arranged on hot-pressing equipment; further, the connecting piece 44 is a metal connecting piece 44, and more preferably, the connecting piece 44 is an aluminum alloy, so that heat conduction of the hot-pressing device on the trimming and punching die 4 is promoted, the trimming and punching die 4 is promoted to be heated, and the trimming and punching efficiency of the trimming and punching die 4 is improved.
In this embodiment, the trimming and punching die 4 further includes an elastic member 45 connected to the upper die plate 41, and the elastic member 45 is accommodated in the punching blade 43.
After the punching blade 43 punches the hole, the residual material of the elastic material layer is easy to sink into the punching blade 43 to influence the punching effect of the next inflation-free bilateral airbag; adopt above-mentioned technical scheme, set up elastic component 45 in punching a hole blade 43 to do benefit to punching a hole the blade 43 and pop out the defective material of elastic material layer after punching a hole, thereby avoid next exempting from to aerify bilateral gasbag punch a hole obstructed. Further, the elastic member 45 is fixedly connected to the upper plate 41. Preferably, the elastic member 45 is elastic silica gel, a spring plate or a compression spring, and can eject the residual material of the elastic material layer after the punching blade 43 punches the hole, so that the blocking of the punching of the next inflation-free bilateral airbag is effectively avoided. Preferably, the elastic member 45 is a compression spring.
In this embodiment, the bottom outer edge of the upper form 41 is wedge-shaped.
By adopting the technical scheme, when the upper template 41 is pressed down on the positioning die 3 during use, the outer edge of the bottom of the upper template 41 is attached to the inner edge of the outer frame 32 for alignment, and the pressing and positioning accuracy of the trimming and punching device is improved.
In this embodiment, the trimming blade 42 and the punching blade 43 are both steel blades.
By adopting the technical scheme, the trimming and punching of the trimming and punching device are facilitated; install this side cut punching device in the hot pressing equipment, the side cut effect of punching a hole is better, efficiency is higher.
Example 2
As shown in fig. 1 to 2, the method of using the trimming and punching apparatus of embodiment 1 includes the steps of:
(S1), taking the inflation-free double-side airbag and the hot-pressing equipment for standby;
(S2), the trimming and punching device in the embodiment 1 is installed on a hot-pressing device, then the inflation-free bilateral airbag is placed on a positioning die 3 for positioning, and then the hot-pressing device drives a trimming and punching die 4 to hot-press the inflation-free bilateral airbag, so that trimming and punching of the inflation-free bilateral airbag are completed.
The using method of the trimming and punching device is simple to operate, convenient to control, high in production efficiency and low in production cost, and can be used for large-scale production. Compared with the traditional low-efficiency production mode that the elastic material layer between two adjacent lower-layer air bags is manually supported to punch holes and only one hole can be punched at a time, the using method of the trimming and punching device is higher in efficiency. In the step (S2), the trimming and punching device gives the trimming and punching die 4 a certain temperature by means of the hot-pressing equipment, so that the trimming and punching effect is better and the efficiency is higher; the inflation-free double-side airbag is arranged in the positioning die 3 for positioning, specifically, the inflation-free double-side airbag is arranged in the positioning die 3, the lower airbag of the inflation-free double-side airbag is enabled to be trapped in the first yielding hole 1 for positioning, and the airbag is prevented from leaking air due to punching dislocation.
In this embodiment, the hot pressing temperature of the trimming and punching die 4 is 130-.
By adopting the technical scheme, the edge cutting blade 42 and the punching blade 43 are also at the high temperature of 140 ℃, and in the pressing process, the edge cutting blade 42 and the punching blade 43 contact the inflation-free double-side air bag to ensure that the cutting position of the inflation-free double-side air bag is heated even to reach a molten state, thereby being more beneficial to edge cutting and punching. More preferably, the hot pressing temperature of the trimming and punching die 4 is 135 ℃, and the hot pressing equipment is a high frequency machine.
The above-described embodiments are preferred implementations of the present invention, and the present invention may be implemented in other ways without departing from the spirit of the present invention.
Claims (10)
1. The utility model provides a side cut punching device which characterized in that: the edge cutting and punching die comprises a positioning die and an edge cutting and punching die matched with the positioning die, wherein the edge cutting and punching die comprises an upper die plate, an edge cutting blade embedded at the periphery of the upper die plate and a plurality of punching blades embedded at the bottom of the upper die plate, the positioning die is provided with a plurality of first abdicating holes arranged at intervals, and the upper die plate is provided with a plurality of second abdicating holes arranged at intervals and corresponding to the first abdicating holes; when the trimming and punching die is combined with the positioning die, the trimming blade and the punching blade are both abutted against the positioning die.
2. The trimming and punching device according to claim 1, wherein: the positioning die comprises a lower template, an outer frame sleeved on the outer side wall of the lower template and an insulating plate abutted against the top of the lower template, and the lower template and the insulating plate are both provided with the first abdicating hole; when the trimming and punching die is combined with the positioning die, the trimming blade and the punching blade are both abutted against the insulating plate.
3. The trimming and punching device according to claim 2, wherein: the inner wall of frame encloses with the top of insulation board and establishes into the object space.
4. The trimming and punching device according to claim 1, wherein: and a clamping hole for embedding the punching blade is formed between every two adjacent second yielding holes, and the punching blade is embedded in the clamping hole.
5. The trimming and punching device according to claim 1, wherein: the trimming and punching die further comprises a connecting piece connected with the upper die plate, and the connecting piece is used for connecting external hot-pressing equipment.
6. The trimming and punching device according to claim 1, wherein: the trimming and punching die further comprises an elastic piece connected with the upper die plate, and the elastic piece is accommodated in the punching blade.
7. The trimming and punching device according to claim 1, wherein: the outer edge of the bottom of the upper template is wedge-shaped.
8. The trimming and punching device according to claim 1, wherein: the trimming blade and the punching blade are both steel blades.
9. A method of using the trimming and punching apparatus according to any one of claims 1 to 8, comprising the steps of:
(S1), taking the inflation-free double-side airbag and the hot-pressing equipment for standby;
(S2), the trimming and punching device is installed on a hot-pressing device, the inflation-free bilateral airbag is placed in a positioning die for positioning, then the hot-pressing device drives the trimming and punching die to hot-press the inflation-free bilateral airbag, and trimming and punching of the inflation-free bilateral airbag are completed.
10. The method of using a trim and pierce apparatus according to claim 9, wherein: the hot pressing temperature of the trimming and punching die is 130-140 ℃, and the hot pressing equipment is a hot press, a high-frequency machine or a high-frequency machine.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011140399.5A CN112356143A (en) | 2020-10-22 | 2020-10-22 | Trimming and punching device and using method thereof |
| CN2020111403995 | 2020-10-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113799209A true CN113799209A (en) | 2021-12-17 |
| CN113799209B CN113799209B (en) | 2023-03-17 |
Family
ID=74511684
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011140399.5A Withdrawn CN112356143A (en) | 2020-10-22 | 2020-10-22 | Trimming and punching device and using method thereof |
| CN202111163795.4A Active CN113799209B (en) | 2020-10-22 | 2021-09-30 | Trimming and punching device and using method thereof |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011140399.5A Withdrawn CN112356143A (en) | 2020-10-22 | 2020-10-22 | Trimming and punching device and using method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN112356143A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0811099A (en) * | 1994-06-27 | 1996-01-16 | Fuitsukusu:Kk | Hole punching fusion and welding device for air bag and machining method thereof |
| CN1843723A (en) * | 2006-05-18 | 2006-10-11 | 唐忠荣 | Perforated plant fiber board, its manufacturing method and equipment dedicated therefor |
| CN204247835U (en) * | 2014-12-02 | 2015-04-08 | 济宁市宁润文正锻造有限公司 | Chain Link forging compound flushing pressing mold |
| CN204382642U (en) * | 2014-05-15 | 2015-06-10 | 广德天运新技术股份有限公司 | A kind of car carpeting pad mould |
| CN208514618U (en) * | 2018-07-14 | 2019-02-19 | 东莞富采包装制品有限公司 | A kind of ear muff production hot pressing bicker |
| CN109732701A (en) * | 2018-08-29 | 2019-05-10 | 深圳市宝明科技股份有限公司 | A kind of narrow side FPC die cutting die and clicking technique |
| CN210734666U (en) * | 2019-07-19 | 2020-06-12 | 王连成 | Sealing equipment for packaging health-care food |
-
2020
- 2020-10-22 CN CN202011140399.5A patent/CN112356143A/en not_active Withdrawn
-
2021
- 2021-09-30 CN CN202111163795.4A patent/CN113799209B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0811099A (en) * | 1994-06-27 | 1996-01-16 | Fuitsukusu:Kk | Hole punching fusion and welding device for air bag and machining method thereof |
| CN1843723A (en) * | 2006-05-18 | 2006-10-11 | 唐忠荣 | Perforated plant fiber board, its manufacturing method and equipment dedicated therefor |
| CN204382642U (en) * | 2014-05-15 | 2015-06-10 | 广德天运新技术股份有限公司 | A kind of car carpeting pad mould |
| CN204247835U (en) * | 2014-12-02 | 2015-04-08 | 济宁市宁润文正锻造有限公司 | Chain Link forging compound flushing pressing mold |
| CN208514618U (en) * | 2018-07-14 | 2019-02-19 | 东莞富采包装制品有限公司 | A kind of ear muff production hot pressing bicker |
| CN109732701A (en) * | 2018-08-29 | 2019-05-10 | 深圳市宝明科技股份有限公司 | A kind of narrow side FPC die cutting die and clicking technique |
| CN210734666U (en) * | 2019-07-19 | 2020-06-12 | 王连成 | Sealing equipment for packaging health-care food |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113799209B (en) | 2023-03-17 |
| CN112356143A (en) | 2021-02-12 |
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Address after: 523000 building C, No.1, SANHENG Road, Gaopo Avenue, Gaopo village, Gaopo Town, Dongguan City, Guangdong Province Patentee after: Guangdong Zhongding Technology Development Co.,Ltd. Address before: 523000 building C, No.1, SANHENG Road, Gaopo Avenue, Gaopo village, Gaopo Town, Dongguan City, Guangdong Province Patentee before: Dongguan Zhongding Plastic Production Co.,Ltd. |