CN108555516B - Hydraulic rotary four-claw clamp - Google Patents
Hydraulic rotary four-claw clamp Download PDFInfo
- Publication number
- CN108555516B CN108555516B CN201810770390.9A CN201810770390A CN108555516B CN 108555516 B CN108555516 B CN 108555516B CN 201810770390 A CN201810770390 A CN 201810770390A CN 108555516 B CN108555516 B CN 108555516B
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- Prior art keywords
- oil
- chuck body
- food tray
- fixed
- mouth
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/12—Chucks with simultaneously-acting jaws, whether or not also individually adjustable
- B23B31/16—Chucks with simultaneously-acting jaws, whether or not also individually adjustable moving radially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/24—Chucks characterised by features relating primarily to remote control of the gripping means
- B23B31/30—Chucks characterised by features relating primarily to remote control of the gripping means using fluid-pressure means in the chuck
- B23B31/302—Hydraulic equipment, e.g. pistons, valves, rotary joints
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
Abstract
The invention discloses a hydraulic rotating four-jaw clamp which comprises a chuck body, wherein an annular support is arranged above the chuck body, and a T-shaped groove is formed in the annular support; a rack is arranged on the side surface of the chuck body and is connected with a gear and a stepping motor; an oil disc is fixed on the chuck body, a bevel gear table is arranged above the oil disc, a convex rail is arranged above the bevel gear table, four clamping jaws are arranged above the bevel gear table, T-shaped convex strips matched with the T-shaped grooves are arranged above the clamping jaws, and arc-shaped grooves matched with the convex rail are arranged below the clamping jaws; the food tray inboard is fixed with fixed cardboard, and one side of fixed cardboard is equipped with the food tray oil feed chamber, and the opposite side of fixed cardboard is equipped with the food tray and goes out the oil pocket, and the awl toothholder outside is equipped with the slurcam, and the A mouth of first switching-over valve is connected to the food tray oil feed chamber, and B mouth, T mouth, the P mouth of first switching-over valve are connected the oil tray respectively and are gone out oil pocket, oil tank and oil pump, and the oil pump connects the oil tank. The invention has the characteristics of simple structure, convenient disassembly and assembly and safe operation.
Description
Technical Field
The invention relates to a four-claw clamp, in particular to a hydraulic rotary four-claw clamp.
Background
In the present society, the design of welding jig is one of the most critical work contents of the production preparation link in the field of mechanical manufacturing. Meanwhile, in the process of designing the welding production process, the design of the welding fixture is also one of the extremely critical components. For many fields of machine manufacturing and machining, there is no final welded product without the welding fixture to provide technical support and assurance. However, in the practical work spreading process at the present stage, the tube part is clamped by a clamping mode which is not a traditional special clamp, but is a combined clamp with high price and complex structure, and for the traditional special clamp, the traditional special clamp not only needs large manpower, but also does not have a quick and accurate running mechanism, and cannot automatically rotate, so that welding inconvenience is caused to welding personnel, the clamping quality is low, and the quality of a welded finished product is uneven. In addition, the safety performance of the traditional special clamp is not complete.
Disclosure of Invention
The invention aims to provide a hydraulic rotary four-jaw clamp. The invention has the characteristics of tight fit, simple structure, convenient disassembly and assembly, convenient clamping, large clamping force and automatic rotation fit for welding, saves time and labor and improves the working quality. In addition, the invention also controls the clamping speed, and can ensure the safety of the hydraulic system during working.
The technical scheme of the invention is as follows: the hydraulic rotating four-jaw clamp comprises a chuck body, wherein an annular support is fixed above the chuck body, a first through hole is formed in the annular support, and a T-shaped groove is formed in the inner side of the annular support; a supporting component is arranged below the chuck body; a rack is arranged on the side surface of the chuck body, a gear matched with the rack is arranged below the chuck body, and the gear is connected with a stepping motor; a first circular groove is formed in the chuck body, an oil disc is fixed on the first circular groove, a second through hole is formed in the upper portion of the oil disc, a bevel gear table penetrates through the second through hole, a convex rail is arranged on the upper portion of the bevel gear table, four clamping jaws are arranged above the bevel gear table, a T-shaped convex strip matched with the T-shaped groove is arranged above the clamping jaws, and an arc-shaped groove matched with the convex rail is arranged below the clamping jaws; the food tray inboard is fixed with fixed cardboard, one side of fixed cardboard is equipped with the food tray oil feed chamber, the opposite side of fixed cardboard is equipped with the food tray and goes out the oil pocket, the bevel gear platform outside is fixed with the slurcam, the A mouth of first switching-over valve is connected to the food tray oil feed chamber, the B mouth of first switching-over valve is connected the oil tray and is gone out the oil pocket, the T mouth of first switching-over valve connects the oil tank, the oil pump is connected to the P mouth of first switching-over valve, the oil tank is connected to the oil.
In the hydraulic rotating four-claw clamp, a first rectangular strip is arranged on one side surface of each claw.
In the hydraulic rotating four-claw clamp, a safety valve is arranged between the port P of the first reversing valve and the oil pump, and the safety valve is connected with an oil tank.
In the hydraulic rotating four-jaw clamp, a one-way throttle valve is arranged between the P port of the first reversing valve and the safety valve.
In the hydraulic rotary four-claw clamp, the upper half section of the bevel gear table is in a step shape, the upper half section of the inner side of the oil pan is also in a step shape, and the upper half section of the bevel gear table is matched with the upper half section of the oil pan.
Among the rotatory four paws anchor clamps of aforementioned hydraulic pressure, chuck body and food tray between wear to be equipped with the split pin, the food tray outside is equipped with one section external screw thread, the external screw thread top is smooth surface, first circular slot medial surface is equipped with one section internal thread, the internal thread top is smooth surface, food tray and first circular slot cooperation part include the interference fit of thread engagement and smooth surface.
In the hydraulic rotating four-jaw clamp, the supporting component comprises a circular clamping sleeve, a second circular groove is formed in the upper portion of the circular clamping sleeve, a third through hole is formed in the center of the second circular groove, the upper portion of the circular clamping sleeve is fixed with the chuck body, a hollow part is formed by the second circular groove and the third through hole, and a fixing shaft is arranged in the hollow part in a penetrating mode.
In the hydraulic rotary four-claw clamp, a first pressure gauge is arranged between the oil pump and the one-way throttle valve, and an oil inlet cavity of the oil tray is connected with a second pressure gauge.
In the hydraulic rotary four-jaw clamp, the convex rail is spiral.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the rack is arranged on the side surface of the chuck body, the gear matched with the rack is arranged below the chuck body, and the gear is connected with the stepping motor, so that the chuck body can automatically rotate, and the time and labor are saved by matching with welding work;
2. an annular support and an oil disc are fixed above the chuck body, a T-shaped groove is formed in the inner side of the annular support, a second through hole is formed in the upper portion of the oil disc, a bevel gear table penetrates through the second through hole, a convex rail is arranged on the upper surface of the bevel gear table, four clamping jaws are arranged above the bevel gear table, a T-shaped convex strip matched with the T-shaped groove is arranged above the clamping jaws, and an arc-shaped groove matched with the clamping jaws is formed in the lower portion of the clamping jaws;
3. the clamping jaw of the invention uses hydraulic pressure as source power when working, the clamping force is very large, and the clamping jaw is very stable when clamping an object.
A safety valve is arranged between the P port of the first reversing valve and the oil pump, the safety valve is connected with the oil tank, oil can be automatically shunted back to the oil tank when the pressure is overlarge, the effect of protecting a hydraulic system is achieved, and construction safety is guaranteed. A one-way throttle valve is arranged between the P port of the first reversing valve and the safety valve, the speed regulation effect of oil inlet is achieved, the clamping speed of the clamping jaw is controlled, and large impact and damage to objects caused by too fast clamping process are prevented.
A first pressure gauge is arranged between the oil pump and the one-way throttle valve and used for clearly observing the size of oil inlet pressure; and the oil inlet cavity of the oil disc is connected with a second pressure gauge for indirectly obtaining the force application size of the clamping jaw.
The upper half section of the cone tooth table and the upper half section of the inner side of the oil disc are in a step shape, the upper half section of the cone tooth table is matched with the upper half section of the oil disc, and the step shape matching can increase the stroke loss of oil and prevent the oil from leaking. In addition, the connection mode of the chuck body and the oil pan is as follows: first half section interference fit, second half section threaded connection, the cooperation is very inseparable, easy dismounting, and wears to be equipped with the split pin between chuck body and the food tray, plays the effect of fixed food tray, prevents that the screw thread is not hard up to make the food tray skew.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a view showing the engagement of the claw with the raised rail;
FIG. 3 is a partial cross-sectional view of the pawl;
FIG. 4 is a cross-sectional view of an oil pan and a bevel gear table;
FIG. 5 is an internal structural view of the present invention;
FIG. 6 is a hydraulic system diagram of the present invention;
fig. 7 is a longitudinal sectional view of the support assembly.
Reference numerals: 1-a stepping motor, 2-a gear, 3-a split pin, 4-a chuck body, 5-a ring support, 6-a rack, 7-a support component, 8-an I-shaped rod, 9-a dovetail bar, 10-a limit screw, 11-a dovetail groove, 12-a cross bar, 13-a claw oil outlet cavity, 14-a T-shaped rod, 15-a claw oil inlet cavity, 16-a T-shaped convex bar, 17-a first rectangular bar, 18-a second rectangular bar, 19-an arc groove, 20-a cone gear table, 21-a fixed clamping plate, 22-an oil pan oil inlet cavity, 23-a pushing plate, 24-an oil pan oil outlet cavity, 25-an oil pan, 26-a T-shaped groove, 27-a first through hole, 28-a second through hole, 29-an oil tank and 30-a fixed shaft, 31-an oil pump, 32-a first pressure gauge, 33-a safety valve, 34-a one-way throttle valve, 35-a first reversing valve, 36-a second pressure gauge, 37-a circular clamping sleeve, 38-an overflow valve, 39-a second reversing valve, 40-a third pressure gauge, 41-a third reversing valve, 42-a clamping jaw, 43-a first circular groove, 44-a second circular groove, 45-a convex rail and 46-a third through hole.
Detailed Description
The present invention is further illustrated by the following examples, which are not to be construed as limiting the invention.
Example 1: the hydraulic rotating four-jaw clamp comprises a chuck body 4 as shown in figures 1-6, wherein the chuck body 4 is made of low-carbon steel, an annular support 5 is fixed above the chuck body 4, a first through hole 27 is formed in the annular support 5, and a T-shaped groove 26 is formed in the upper portion of the inner side of the annular support 5; the supporting component 7 is arranged below the chuck body 4, the supporting component 7 comprises a circular cutting sleeve 37, a second circular groove 44 is arranged above the circular cutting sleeve 37, a third through hole 46 is formed in the center of the second circular groove 44, the upper portion of the circular cutting sleeve 37 is fixed with the chuck body 4, the second circular groove 44 and the third through hole 46 form a hollow part, the fixing shaft 30 penetrates through the hollow part, and the circular cutting sleeve 37 can rotate around the fixing shaft 30. A rack 6 is arranged on the side surface of the chuck body 4, a gear 2 matched with the rack 6 is arranged below the chuck body 4, the gear 2 is connected with a stepping motor 1, the stepping motor 1 drives the gear 2 to rotate, and the gear 2 drives the chuck body 4 to realize a rotating function; be equipped with first circular slot 43 above the chuck body 4, be fixed with food tray 25 on the first circular slot 43, wear to be equipped with split pin 3 between chuck body 4 and the food tray 25, the food tray 25 outside is equipped with one section external screw thread, and the external screw thread top is smooth surface, and first circular slot 43 medial surface is equipped with one section internal thread, and the internal thread top is smooth surface, and food tray 25 and first circular slot 43 cooperation part include the interference fit of thread engagement and smooth surface. A second through hole 28 is formed above the oil disc 25, the bevel gear table 20 penetrates through the second through hole 28, the upper half section of the side surface of the bevel gear table 20 is in a step shape, the upper half section of the inner side of the oil disc 25 is also in a step shape, and the upper half section of the side surface of the bevel gear table 20 is matched with the upper half section of the inner side of the oil disc 25; a spiral convex rail 45 with a large outer part and a small inner part is arranged on the conical tooth table 20, four clamping jaws 43 are arranged above the conical tooth table 20, the clamping jaws 43 are made of low-carbon steel, the positions of the four clamping jaws 43 are arranged in a square shape, a first rectangular strip 1717 is arranged on one side surface of each clamping jaw 43, a T-shaped convex strip 16 matched with the T-shaped groove 26 is arranged above each clamping jaw 43, and an arc-shaped groove 19 matched with the convex rail 45 is arranged below each clamping jaw 43; a fixed clamping plate 21 is fixed on the inner side of the oil pan 25, an oil pan oil inlet cavity 22 is arranged on one side of the fixed clamping plate 21, the oil pan oil inlet cavity 22 is connected with a second pressure gauge 36, the oil pan oil inlet pressure can be observed, the force application size of a clamping jaw 43 is obtained, an oil pan oil outlet cavity 24 is arranged on the other side of the fixed clamping plate 21, a pushing plate 23 is fixed on the outer side of the bevel gear table 20, the oil pan oil inlet cavity 22 is connected with an A port of a first reversing valve 35, a B port of the first reversing valve 35 is connected with the oil pan oil outlet cavity 24, a T port of the first reversing valve 35 is connected with an oil tank 29, a P port of the first reversing valve; a safety valve 33 is arranged between the port P of the first reversing valve 35 and the oil pump 31, the safety valve 33 plays a role of limiting the oil outlet pressure of the oil pump 31 and protecting a hydraulic system, and the safety valve 33 is connected with the oil tank 29. A one-way throttle valve 34 and a first pressure gauge 32 are further arranged between the first reversing valve 35 and the safety valve 33, the oil outlet speed can be controlled by adjusting the one-way throttle valve 34, the clamping speed of the clamping jaw 43 is further controlled, and the oil outlet pressure of the oil pump 31 can be observed by the first pressure gauge 32.
The working principle is as follows: when clamping regular objects, the regular objects are only required to be placed in the middle of the four clamping jaws, the throttle valve is opened, the oil outlet speed of a proper oil pump is adjusted, the A port of the first reversing valve is communicated with the P port, the B port of the first reversing valve is communicated with the T port, oil in the oil inlet cavity of the oil pan enables the pushing plate to move, and then the bevel gear table is driven to rotate, the bevel gear table drives the clamping jaws, the clamping jaws slide along the tracks of the T-shaped groove, when the regular objects are clamped, the reading of a second pressure gauge arranged on the oil inlet cavity of the oil pan can be obviously increased, the throttle valve is closed at the moment, the step motor is opened, the step motor drives the gear to rotate, the gear drives. After the welding work is finished, the stepping motor is closed, the throttle valve is slowly opened, the first reversing valve is quickly opened, the port A of the first reversing valve is communicated with the port T, the port B of the first reversing valve is communicated with the port P, oil enters the oil outlet cavity of the oil tray, the clamping jaw returns, the throttle valve is closed after the clamping jaw returns to the initial position, and the first reversing valve is closed.
Claims (8)
1. Rotatory four claw anchor clamps of hydraulic pressure, its characterized in that: the clamping device comprises a clamping disc body (4), wherein an annular support (5) is fixed above the clamping disc body (4), a first through hole (27) is formed in the annular support (5), and a T-shaped groove (26) is formed in the upper portion of the inner side of the annular support (5); a support component (7) is arranged below the chuck body (4); a rack (6) is arranged on the side surface of the chuck body (4), a gear (2) matched with the rack (6) is arranged below the chuck body (4), and the gear (2) is connected with a stepping motor (1); a first circular groove (43) is formed in the chuck body (4), an oil disc (25) is fixed on the first circular groove (43), a second through hole (28) is formed above the oil disc (25), a bevel gear table (20) penetrates through the second through hole (28), a convex rail (45) is arranged on the bevel gear table (20), four clamping jaws (42) are arranged above the bevel gear table (20), T-shaped convex strips (16) matched with the T-shaped grooves (26) are arranged above the clamping jaws (42), and arc-shaped grooves (19) matched with the convex rail (45) are arranged below the clamping jaws (42); fixed cardboard (21) are fixed with to food tray (25) inboard, one side of fixed cardboard (21) is equipped with food tray oil feed chamber (22), the opposite side of fixed cardboard (21) is equipped with food tray oil outlet chamber (24), awl tooth platform (20) outside is fixed with slurcam (23), the A mouth of first switching-over valve (35) is connected in food tray oil feed chamber (22), oil tray oil outlet chamber (24) is connected to the B mouth of first switching-over valve (35), oil tank (29) is connected to the T mouth of first switching-over valve (35), oil pump (31) is connected to the P mouth of first switching-over valve (35), oil pump (31) connecting oil tank (29).
2. The hydraulic rotary four-jaw clamp of claim 1, wherein: a first rectangular strip (17) is arranged on one side face of the clamping jaw (42).
3. The hydraulic rotary four-jaw clamp of claim 1, wherein: a safety valve (33) is arranged between the P port of the first reversing valve (35) and the oil pump (31), and the safety valve (33) is connected with the oil tank (29).
4. The hydraulic rotary four-jaw clamp of claim 3, wherein: a one-way throttle valve (34) is arranged between the P port of the first reversing valve (35) and the safety valve (33).
5. The hydraulic rotary four-jaw clamp of claim 1, wherein: the upper half section of the conical tooth table (20) is in a step shape, the upper half section of the inner side of the oil pan (25) is also in a step shape, and the upper half section of the conical tooth table (20) is matched with the upper half section of the oil pan (25).
6. The hydraulic rotary four-jaw clamp of claim 1, wherein: chuck body (4) and food tray (25) between wear to be equipped with split pin (3), the food tray (25) outside is equipped with one section external screw thread, the external screw thread top is smooth surface, first circular slot (43) medial surface is equipped with one section internal thread, the internal thread top is smooth surface, food tray (25) and first circular slot (43) cooperation part include thread engagement and smooth surface's interference fit.
7. The hydraulic rotary four-jaw clamp of claim 1, wherein: the supporting component (7) comprises a circular cutting sleeve (37), a second circular groove (44) is formed above the circular cutting sleeve (37), a third through hole (46) is formed in the center of the second circular groove (44), the upper portion of the circular cutting sleeve (37) is fixed with the chuck body (4), a hollow portion is formed by the second circular groove (44) and the third through hole (46), and the fixing shaft (30) is arranged in the hollow portion in a penetrating mode.
8. The hydraulic rotary four-jaw clamp of claim 1, wherein: the convex track (45) is spiral.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810770390.9A CN108555516B (en) | 2018-07-13 | 2018-07-13 | Hydraulic rotary four-claw clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810770390.9A CN108555516B (en) | 2018-07-13 | 2018-07-13 | Hydraulic rotary four-claw clamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108555516A CN108555516A (en) | 2018-09-21 |
| CN108555516B true CN108555516B (en) | 2020-10-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810770390.9A Active CN108555516B (en) | 2018-07-13 | 2018-07-13 | Hydraulic rotary four-claw clamp |
Country Status (1)
| Country | Link |
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| CN (1) | CN108555516B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109175857B (en) * | 2018-10-23 | 2020-06-02 | 南京鑫姆迪克液压技术有限公司 | Automatic welding device for wind power pipeline |
| CN110561299A (en) * | 2019-09-11 | 2019-12-13 | 南京捷思汽车科技有限公司 | Intelligent inner clamp for tire processing |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1044975B (en) * | 1972-01-19 | 1980-04-21 | Rotomors Srl | SELF-CENTERING SUITABLE FOR AUTOMATIC OPERATION WITH HAND-CONTROLLED VEHICLES TO ADJUST THE INITIAL POSITION OF THE JAWS ACCORDING TO THE DIMENSIONS OF THE PIECE TO BE LOCKED AND CENTERED |
| KR100211744B1 (en) * | 1997-03-12 | 1999-08-02 | 김기현 | Automatic universal chuck |
| CN200963695Y (en) * | 2006-11-14 | 2007-10-24 | 沈永才 | Automatic light and fast clamp |
| DE102010018342B4 (en) * | 2010-07-01 | 2014-01-02 | Schaal Engineering Gmbh | jaw chuck |
| DE202013101917U1 (en) * | 2013-05-03 | 2013-05-13 | Horst Witte Gerätebau Barskamp KG | chuck |
| CN103273101B (en) * | 2013-05-17 | 2015-11-18 | 宁波市鄞州金博机械厂（普通合伙） | Scroll chuck |
| DE202014004713U1 (en) * | 2014-06-06 | 2015-04-13 | Klingelnberg Ag | Clamping system for a workpiece on a measuring machine |
| CN205362727U (en) * | 2015-12-18 | 2016-07-06 | 浙江万丰科技开发股份有限公司 | Large -scale three -jaw chuck rotary fixture |
| CN205496599U (en) * | 2016-02-24 | 2016-08-24 | 浙江今跃机械科技开发有限公司 | External tooth anchor clamps in cavity |
| CN206028777U (en) * | 2016-08-24 | 2017-03-22 | 北京轩宇智能科技有限公司 | Drive moving member is radial actuating mechanism and chuck that removes that come and go on mount pad |
| CN206794807U (en) * | 2017-05-11 | 2017-12-26 | 东莞市中煌五金制品有限公司 | A kind of Lathe chuck jaw structure |
-
2018
- 2018-07-13 CN CN201810770390.9A patent/CN108555516B/en active Active
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|---|---|
| CN108555516A (en) | 2018-09-21 |
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Effective date of registration: 20200915 Address after: 318050 No. 68 Jinshui Road, Lincun, North Guan, Luqiao District, Taizhou City, Zhejiang Province Applicant after: TAIZHOU RUIXIANG MACHINERY EQUIPMENT Co.,Ltd. Address before: 314306 Chen Jiahui 3, Sanyou village, Tongyuan Town, Haiyan County, Jiaxing, Zhejiang Applicant before: Chen Jiansheng |
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Effective date of registration: 20221020 Address after: 46-48 Zhuanyao SANHENG Road, Dongcheng District, Dongguan, Guangdong 523000 Patentee after: DONGGUAN FURUI PRECISION HARDWARE PRODUCT CO.,LTD. Address before: 318050 Jinshui Road, Luqiao North Road, Luqiao, Zhejiang, 68 Patentee before: TAIZHOU RUIXIANG MACHINERY EQUIPMENT Co.,Ltd. |