CN219112679U - Hole flanging stamping die - Google Patents
Hole flanging stamping die Download PDFInfo
- Publication number
- CN219112679U CN219112679U CN202223613192.2U CN202223613192U CN219112679U CN 219112679 U CN219112679 U CN 219112679U CN 202223613192 U CN202223613192 U CN 202223613192U CN 219112679 U CN219112679 U CN 219112679U
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- 238000004080 punching Methods 0.000 claims abstract description 71
- 238000007493 shaping process Methods 0.000 claims abstract description 37
- 238000003825 pressing Methods 0.000 claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 26
- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 230000007704 transition Effects 0.000 claims description 9
- 238000005336 cracking Methods 0.000 abstract description 7
- 239000002184 metal Substances 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 10
- 230000009471 action Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 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
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- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The utility model relates to the field of dies and discloses a hole flanging stamping die, which comprises an upper die assembly and a lower die assembly; the lower end of the upper die assembly is sequentially provided with an upper punching convex hull punch, an upper punching punch and an upper material pressing punch at intervals, and the upper material pressing punch is provided with a through hole; the upper end of the lower die assembly is sequentially provided with a lower convex hull punching assembly, a lower punching assembly and a lower shaping assembly at intervals; the convex hull punching female die of the lower convex hull punching component is positioned below the upper convex hull punching head; the punching female die of the lower punching assembly is positioned below the upper punching punch; the lower shaping assembly comprises a shaping needle, a floating material ejector rod and a bushing, wherein the shaping needle is positioned below the upper pressing punch, one end of the shaping needle, which is close to the upper pressing punch, extends to form a needle head penetrating into the through hole, the floating material ejector rod is sleeved at the outer end of the shaping needle, and the bushing is sleeved at the outer end of the floating material ejector rod. The utility model can lead the hole flanging of the processed hardware product to be even, has stable flanging size and prevents the hole flanging from cracking and generating metal wires.
Description
Technical Field
The utility model relates to the field of dies, in particular to a hole flanging stamping die.
Background
At present, in the industry of manufacturing hardware products, the common stamping forming mode for some hardware products needing flanging forming is as follows: punching, flanging and discharging. If a small flanging amount of flanging is required to be processed in this way, the formed flanging may have problems of uneven flanging, wire generation, flanging cracking, unstable flanging height and width dimensions, etc.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art, and provides a hole flanging stamping die which can lead the hole flanging of a processed hardware product to be uniform, lead the flanging size to be stable and prevent the hole flanging from cracking and generating metal wires.
The aim of the utility model is realized by the following technical scheme:
a hole flanging stamping die, comprising:
the lower end of the upper die assembly is sequentially provided with an upper convex hull punching head, an upper punching head and an upper material pressing punching head at intervals, and the upper material pressing punching head is provided with a through hole; and
The upper end of the lower die assembly is sequentially provided with a lower convex hull punching assembly, a lower punching assembly and a lower shaping assembly at intervals; the lower convex hull punching component comprises a convex hull punching female die which is positioned below the upper convex hull punching head; the lower punching assembly comprises a punching female die, and the punching female die is positioned below the upper punching punch; the lower shaping assembly comprises a shaping needle, a floating material ejector rod and a bushing, wherein the shaping needle is located below the upper pressing punch, one end, close to the upper pressing punch, of the shaping needle extends to form a needle head portion used for penetrating into the through hole, the floating material ejector rod is sleeved at the outer end of the shaping needle, and the bushing is sleeved at the outer end of the floating material ejector rod.
In one embodiment, the upper die assembly comprises an upper die base, an upper base plate, an upper clamping plate, a stop plate and a stripper plate, wherein the upper base plate is arranged at the lower end of the upper die base, the upper clamping plate is arranged at the lower end of the upper base plate, the stop plate is arranged at the lower end of the upper clamping plate, and the stripper plate is arranged at the lower end of the stop plate.
In one embodiment, one end of the upper convex hull punch is connected with the upper clamping plate, and the other end of the upper convex hull punch penetrates through the stop plate and the stripper plate to be exposed at the lower end of the stripper plate; one end of the upper punching punch is connected with the upper clamping plate, and the other end of the upper punching punch penetrates through the stop plate and the stripper plate to be exposed at the lower end of the stripper plate; one end of the upper pressing punch is connected with the upper clamping plate, and the other end of the upper pressing punch penetrates through the stop plate and the stripper plate to be arranged at the lower end of the stripper plate.
In one embodiment, the upper convex hull punch comprises a first punch rod portion and a first punch head portion, the first punch rod portion is connected with the first punch head portion, a first arc transition portion extends at the joint of the first punch rod portion and the first punch head portion, and a first hanging table portion protruding outwards in the radial direction of the first punch rod portion extends at one end, far away from the first punch head portion, of the first punch rod portion.
In one embodiment, the upper punching punch comprises a second punch rod portion and a second punch head portion, the second punch rod portion is connected with the second punch head portion, a second arc transition portion extends at the connection position of the second punch rod portion and the second punch head portion, and a second hanging table portion protruding outwards in the radial direction of the second punch rod portion extends at one end, away from the second punch head portion, of the second punch rod portion.
In one embodiment, the feeding punch comprises a third punch rod portion and a third punch head portion, the third punch rod portion is connected with the third punch head portion, anti-sticking notches are formed in two side edges of the third punch head portion, a third arc transition portion extends at the connection position of the third punch rod portion and the third punch head portion, and a third hanging table portion protruding outwards in the radial direction of the third punch rod portion extends at one end, far away from the third punch head portion, of the third punch rod portion.
In one embodiment, the lower die assembly comprises a lower die holder, a lower base plate and a lower die plate, wherein the lower base plate is arranged at the upper end of the lower die holder, and the lower die plate is arranged at the upper end of the lower base plate.
In one embodiment, the lower convex hull component further comprises a first force guide rod, a first spring and a first stop screw, the convex hull forming die is arranged at the upper end of the lower die plate, one end of the convex hull forming die, away from the upper convex hull forming punch, is connected with one end of the first force guide rod, the other end of the first force guide rod is connected with one end of the first spring, and the other end of the first spring is connected with the lower die base through the first stop screw.
In one embodiment, the punching female die is arranged at the upper end of the lower die plate, and the punching female die is provided with a blanking hole.
In one embodiment, the lower shaping assembly further comprises a third force guide rod, a third spring, a third stop screw and a cushion block, the needle head portion is exposed at one end of the float material ejector rod, one end of the float material ejector rod away from the needle head portion is connected with one end of the third force guide rod, the other end of the third force guide rod is connected with one end of the third spring, the other end of the third spring is connected with the lower die holder through the third stop screw, and the cushion block is connected between the third force guide rod and the third spring.
Compared with the prior art, the utility model has at least the following advantages:
the method comprises the steps of firstly stamping a hardware product to form a convex hull, specifically, extruding the hardware product to form the convex hull under the action of a press by using an upper convex hull punching head and a lower convex hull punching assembly, and punching the required flanging size in one step to meet the size requirement; the second step is to punch and remove the redundant materials at the convex hull of the hardware product through a punching procedure to form a hole flanging, specifically, the convex hull is moved to the punching procedure after being molded, and the upper punching punch is matched with the punching die to punch and cut the redundant materials under the action of a press machine to form the hole flanging, so that the required hole flanging size is obtained; and thirdly, adjusting the flanging size of the hole flanging of the hardware product through a shaping procedure, specifically limiting the flanging height of the hole flanging of the hardware product under the action of a press by using an upper pressing punch matched with a lower shaping assembly, so as to ensure the consistency of the product size, wherein the needle head part of the shaping needle is used for penetrating the hole flanging of the hardware product and the through hole of the upper pressing punch, and the upper pressing punch, the shaping needle and the floating roof rod share the flanging size for limiting the hole flanging, and the lining is used for giving the space for the floating roof rod to move up and down. Therefore, through the convex hull punching and shaping procedures, the hole flanging of the processed hardware product is uniform, the flanging size is stable, and the hole flanging cracking and the metal wire production problem are effectively prevented, so that the problems that the hole flanging formed by punching is possibly uneven, the metal wire is produced, the hole flanging cracking, the flanging height and width size are unstable and the like are effectively solved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a hole flanging stamping die according to an embodiment of the present utility model.
Fig. 2 is a schematic structural diagram of a hole flanging die according to an embodiment of the present utility model.
Fig. 3 is a schematic structural diagram of a hole flanging die according to an embodiment of the present utility model.
Fig. 4 is a diagram showing the shape change of the hardware product in the stamping process.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the utility model. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Referring to fig. 1-3, a hole flanging stamping die 10 includes an upper die assembly 110 and a lower die assembly 150; the lower end of the upper die assembly 110 is sequentially provided with an upper convex hull punch 120, an upper punching punch 130 and an upper material pressing punch 140 at intervals, and the upper material pressing punch 140 is provided with a through hole 1411; the upper end of the lower die assembly 150 is sequentially provided with a lower convex hull punching assembly 160, a lower punching assembly 170 and a lower shaping assembly 180 at intervals; the lower convex hull forming assembly 160 comprises a convex hull forming female die 161, and the convex hull forming female die 161 is positioned below the upper convex hull forming punch 120; the lower punch assembly 170 includes a punch die 171, the punch die 171 being located below the upper punch 130; the lower shaping assembly 180 comprises a shaping needle 181, an ejector pin 182 and a bushing 183, wherein the shaping needle 181 is positioned below the upper pressing punch 140, a needle head part used for penetrating through the through hole 1411 is extended at one end of the shaping needle 181, which is close to the upper pressing punch 140, the ejector pin 182 is sleeved at the outer end of the shaping needle 181, and the bushing 183 is sleeved at the outer end of the ejector pin 182.
It should be noted that, referring to fig. 4, when the upper die assembly 110 and the lower die assembly 150 are assembled, the hardware product 20 is punched to form the convex hull 21 in the first step, specifically, the hardware product 20 is extruded to form the convex hull 21 by the upper convex hull punching head 120 and the lower convex hull punching assembly 160 under the action of the press, so that the required flanging size is punched in place in one step; the second step is to punch and remove the redundant materials at the convex hull 21 of the hardware product 20 to form a hole flanging 22 through a punching process, specifically, the convex hull 21 is moved to the punching process after being molded, and the upper punching punch 130 is matched with the punching female die 171 to punch and cut the redundant materials 23 to form the hole flanging 22 under the action of a press machine, so that the required hole flanging 22 size is obtained; the third step adjusts the size of the flanging 24 of the hole 22 of the hardware product 20 through the shaping procedure, specifically, the upper pressing punch 140 is matched with the lower shaping assembly 180 to limit the height of the flanging 24 of the hole 22 of the hardware product 20 under the action of a press machine, so that the consistency of the product size is ensured, the needle head of the shaping needle 181 is used for penetrating the hole 22 of the hardware product 20 and the through hole 1411 of the upper pressing punch 140, the shaping needle 181 and the floating roof bar 182 share the flanging size for limiting the hole 22, and the bushing 183 is used for giving the space for the floating roof bar 182 to move up and down. Therefore, through the convex hull punching and shaping procedures, the flanging 22 of the processed hardware product 20 is uniform, the flanging size is stable, and the problems of cracking and metal wire generation of the flanging 22 are effectively prevented, so that the problems that the flanging 22 formed by punching is possibly uneven in flanging 22, metal wires are generated, cracking of the flanging 22, unstable flanging height and width size and the like are effectively solved.
Further, the upper die assembly 110 includes an upper die holder 111, an upper base plate 112, an upper clamping plate 113, a stop plate 114 and a stripper plate 115, wherein the upper base plate 112 is disposed at the lower end of the upper die holder 111, the upper clamping plate 113 is disposed at the lower end of the upper base plate 112, the stop plate 114 is disposed at the lower end of the upper clamping plate 113, and the stripper plate 115 is disposed at the lower end of the stop plate 114. One end of the upper convex hull punch 120 is connected with the upper clamping plate 113, and the other end of the upper convex hull punch 120 passes through the stop plate 114 and the stripper plate 115 to be exposed at the lower end of the stripper plate 115; one end of the upper punching punch 130 is connected with the upper clamping plate 113, and the other end of the upper punching punch 130 penetrates through the stop plate 114 and the stripper plate 115 to be exposed at the lower end of the stripper plate 115; one end of the upper pressing punch 140 is connected with the upper clamping plate 113, and the other end of the upper pressing punch 140 passes through the stop plate 114 and the stripper plate 115 to be arranged at the lower end of the stripper plate 115. The punches are thus fixed by the upper clamping plate 113, and the stress generated by the punches or inserts is received by the stopper plate 114, and the punches are separated from the metal product 20 by the force of the stripper spring of the stripper plate 115.
Further, the upper punch convex hull punch 120 includes a first punch stem 121 and a first punch stem 122, the first punch stem 121 is connected with the first punch stem 122, a first arc transition portion 123 extends at a connection portion between the first punch stem 121 and the first punch stem 122, and a first hanging stage portion 124 protruding radially outwards along the first punch stem 121 extends at one end of the first punch stem 121 away from the first punch stem 122. This can increase the robustness of the upper convex hull punch 120.
Further, the upper punching punch 130 includes a second punch stem 131 and a second punch stem 132, the second punch stem 131 is connected with the second punch stem 132, a second arc transition portion 133 extends at a connection portion between the second punch stem 131 and the second punch stem 132, and a second hanging stand portion 134 protruding radially outwards along the second punch stem 131 extends at an end of the second punch stem 131 away from the second punch stem 132. This can increase the robustness of the upper punch 130.
Further, the upper punch 140 includes a third punch portion 141 and a third punch portion 142, the third punch portion 141 is connected with the third punch portion 142, anti-sticking notches 1421 are formed at edges of two sides of the third punch portion 142, a third arc transition portion 143 extends at a connection portion of the third punch portion 141 and the third punch portion 142, and a third hanging portion 144 protruding radially outwards along the third punch portion 141 extends at one end of the third punch portion 141 away from the third punch portion 142. The firmness of the upper pressing punch 140 can be improved, and the contact area between the upper pressing punch 140 and the hardware product 20 is reduced through the anti-sticking notch 1421, so that the anti-sticking and convenient stripping are realized.
Further, the lower die assembly 150 includes a lower die holder 151, a lower pad 152, and a lower die plate 153, the lower pad 152 is disposed at an upper end of the lower die holder 151, and the lower die plate 153 is disposed at an upper end of the lower pad 152. In this way, each die insert is fixed by the lower die plate 153, and the stress generated by each die insert is received by the lower pad 152.
Further, the lower convex hull forming assembly 160 further includes a first force guiding rod 162, a first spring 163 and a first stop screw 164, the convex hull forming die 161 is disposed at the upper end of the lower die plate 153, one end of the convex hull forming die 161 away from the upper convex hull forming punch 120 is connected with one end of the first force guiding rod 162, the other end of the first force guiding rod 162 is connected with one end of the first spring 163, and the other end of the first spring 163 is connected with the lower die base 151 through the first stop screw 164. When the mold is closed in this way, the first spring 163 is stressed and compressed; when the die is opened, the first force guide rod 162 plays a role in stripping materials through the spring force exerted by the first spring 163, so that the hardware product 20 is separated from the convex hull forming female die 161.
Further, the punching die 171 is disposed at the upper end of the lower die plate 153, and the punching die 171 is provided with a blanking hole 1711. The upper punch 130 punches through the blanking hole 1711 to cut the surplus material when so punched, and collects the surplus material removed through the blanking hole 1711.
Further, the lower shaping assembly 180 further includes a third force guiding rod 184, a third spring 185, a third stop screw 186 and a spacer 187, the needle portion is exposed at one end of the float push rod 182, one end of the float push rod 182 away from the needle portion is connected with one end of the third force guiding rod 184, the other end of the third force guiding rod 184 is connected with one end of the third spring 185, the other end of the third spring 185 is connected with the lower die holder 151 through the third stop screw 186, and the spacer 187 is connected between the third force guiding rod 184 and the third spring 185. When the mold is closed in this way, the third spring 185 is forced to compress; when the die is opened, the third spring 185 transmits ladder force to the float push rod 182 through the cushion block 187 and the third force guide rod 184, so that the product stripping function is realized.
The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (10)
1. Hole flanging stamping die, characterized by comprising:
the lower end of the upper die assembly is sequentially provided with an upper convex hull punching head, an upper punching head and an upper material pressing punching head at intervals, and the upper material pressing punching head is provided with a through hole; and
The upper end of the lower die assembly is sequentially provided with a lower convex hull punching assembly, a lower punching assembly and a lower shaping assembly at intervals; the lower convex hull punching component comprises a convex hull punching female die which is positioned below the upper convex hull punching head; the lower punching assembly comprises a punching female die, and the punching female die is positioned below the upper punching punch; the lower shaping assembly comprises a shaping needle, a floating material ejector rod and a bushing, wherein the shaping needle is located below the upper pressing punch, one end, close to the upper pressing punch, of the shaping needle extends to form a needle head portion used for penetrating into the through hole, the floating material ejector rod is sleeved at the outer end of the shaping needle, and the bushing is sleeved at the outer end of the floating material ejector rod.
2. The hole flanging die of claim 1, wherein the upper die assembly comprises an upper die base, an upper base plate, an upper clamping plate, a stop plate and a stripper plate, the upper base plate is arranged at the lower end of the upper die base, the upper clamping plate is arranged at the lower end of the upper base plate, the stop plate is arranged at the lower end of the upper clamping plate, and the stripper plate is arranged at the lower end of the stop plate.
3. The hole flanging stamping die according to claim 2, wherein one end of the upper convex hull punch is connected with the upper clamping plate, and the other end of the upper convex hull punch passes through the stop plate and the stripper plate to be exposed at the lower end of the stripper plate; one end of the upper punching punch is connected with the upper clamping plate, and the other end of the upper punching punch penetrates through the stop plate and the stripper plate to be exposed at the lower end of the stripper plate; one end of the upper pressing punch is connected with the upper clamping plate, and the other end of the upper pressing punch penetrates through the stop plate and the stripper plate to be arranged at the lower end of the stripper plate.
4. The hole flanging die of claim 1, wherein the upper convex-hull punch comprises a first punch stem and a first punch head, the first punch stem is connected with the first punch head, a first arc transition portion extends at a connection of the first punch stem and the first punch head, and a first hanging table portion protruding radially outwards along the first punch stem extends at one end of the first punch stem away from the first punch head.
5. The hole flanging die of claim 1, wherein the upper punch comprises a second punch stem and a second punch head, the second punch stem is connected with the second punch head, a second arc transition portion extends at a connection of the second punch stem and the second punch head, and a second hanging table portion protruding radially outwards along the second punch stem extends at an end of the second punch stem away from the second punch head.
6. The hole flanging stamping die of claim 1, wherein the upper pressing punch comprises a third punch rod portion and a third punch head portion, the third punch rod portion is connected with the third punch head portion, anti-sticking notches are formed in two side edges of the third punch head portion, a third arc transition portion extends at the connection position of the third punch rod portion and the third punch head portion, and a third hanging table portion protruding outwards along the radial direction of the third punch rod portion extends at one end, far away from the third punch head portion, of the third punch rod portion.
7. The hole flanging die according to any one of claims 1 to 6, wherein the lower die assembly includes a lower die holder, a lower pad provided at an upper end of the lower die holder, and a lower die plate provided at an upper end of the lower pad.
8. The hole flanging die of claim 7, wherein the lower bulge-making assembly further comprises a first force guide rod, a first spring and a first stop screw, the bulge-making die is arranged at the upper end of the lower die plate, one end of the bulge-making die, which is far away from the upper bulge-making punch, is connected with one end of the first force guide rod, the other end of the first force guide rod is connected with one end of the first spring, and the other end of the first spring is connected with the lower die holder through the first stop screw.
9. The hole flanging die according to claim 7, wherein the punching die is provided at an upper end of the lower die plate, and the punching die is provided with a blanking hole.
10. The hole flanging die of claim 7, wherein the lower shaping assembly further comprises a third force-guiding rod, a third spring, a third stop screw and a cushion block, the needle portion is exposed at one end of the float push rod, one end of the float push rod away from the needle portion is connected with one end of the third force-guiding rod, the other end of the third force-guiding rod is connected with one end of the third spring, the other end of the third spring is connected with the lower die holder through the third stop screw, and the cushion block is connected between the third force-guiding rod and the third spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223613192.2U CN219112679U (en) | 2022-12-30 | 2022-12-30 | Hole flanging stamping die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223613192.2U CN219112679U (en) | 2022-12-30 | 2022-12-30 | Hole flanging stamping die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219112679U true CN219112679U (en) | 2023-06-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223613192.2U Active CN219112679U (en) | 2022-12-30 | 2022-12-30 | Hole flanging stamping die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219112679U (en) |
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2022
- 2022-12-30 CN CN202223613192.2U patent/CN219112679U/en active Active
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Effective date of registration: 20231108 Address after: Yiding Company Joint Workshop (Phase I), No. 3 Xingyuan North Road, Sanhe Village, Tonghu Town, Zhongkai High tech Zone, Huizhou City, Guangdong Province, 516039 Patentee after: Huizhou Jinquan New Energy Materials Co.,Ltd. Address before: No. 3 Xingyuan North Road, Sanhe Village, Tonghu Town, Zhongkai Gaoxin, Huizhou District, Huizhou City, Guangdong Province, 516006 Patentee before: Huizhou Yiwei New Energy Co.,Ltd. |
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Effective date of registration: 20231226 Address after: 516039 No. 3 Xingyuan North Road, Sanhe Village, Tonghu Town, Zhongkai High tech Zone, Huizhou City, Guangdong Province Patentee after: Huizhou Yiwei New Energy Co.,Ltd. Address before: Yiding Company Joint Workshop (Phase I), No. 3 Xingyuan North Road, Sanhe Village, Tonghu Town, Zhongkai High tech Zone, Huizhou City, Guangdong Province, 516039 Patentee before: Huizhou Jinquan New Energy Materials Co.,Ltd. |
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Effective date of registration: 20240730 Address after: Yiding Company Joint Workshop (Phase I), No. 3 Xingyuan North Road, Sanhe Village, Tonghu Town, Zhongkai High tech Zone, Huizhou City, Guangdong Province, 516039 Patentee after: Huizhou Jinquan New Energy Materials Co.,Ltd. Country or region after: China Address before: 516039 No. 3 Xingyuan North Road, Sanhe Village, Tonghu Town, Zhongkai High tech Zone, Huizhou City, Guangdong Province Patentee before: Huizhou Yiwei New Energy Co.,Ltd. Country or region before: China |