CN105903805B - Metal tube full automatically punching equipment - Google Patents
Metal tube full automatically punching equipment Download PDFInfo
- Publication number
- CN105903805B CN105903805B CN201610389159.6A CN201610389159A CN105903805B CN 105903805 B CN105903805 B CN 105903805B CN 201610389159 A CN201610389159 A CN 201610389159A CN 105903805 B CN105903805 B CN 105903805B
- Authority
- CN
- China
- Prior art keywords
- metal tube
- fixed
- punching
- frame
- hydraulic cylinder
- 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.)
- Active
Links
- 239000002184 metal Substances 0.000 title claims abstract description 86
- 238000004080 punching Methods 0.000 title claims abstract description 42
- 239000000758 substrate Substances 0.000 claims abstract description 23
- 230000000712 assembly Effects 0.000 claims abstract description 8
- 238000000429 assembly Methods 0.000 claims abstract description 8
- 238000010438 heat treatment Methods 0.000 claims description 14
- 230000005674 electromagnetic induction Effects 0.000 claims description 9
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 abstract description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000010327 methods by industry Methods 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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/28—Perforating, i.e. punching holes in tubes or other hollow bodies
-
- 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
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Punching Or Piercing (AREA)
- Automatic Assembly (AREA)
Abstract
The invention discloses a kind of metal tube full automatically punching equipment, it is characterized in that, including：Frame；Two hold assemblies, are installed in parallel in frame；Perforating mechanism, in frame and between two hold assemblies, metal tube can be fed sequentially into wherein one hold assembly, perforating mechanism, another hold assembly；Wherein, perforating mechanism includes：Substrate is punched, four pieces, is symmetrically fixed on the position up and down of metal tube, and fixed relative to frame；Hydraulic cylinder is punched, four, cylinder body is fixed on punching substrate, and punching hydraulic cylinder is by punching solenoid valve control；Punching press chuck, is fixed with the connecting rod of punching hydraulic cylinder by four；Staking punch, is fixed by punching press grips respectively by four；Control system, electrical connection hold assembly and punching magnetic valve.The present invention has that simple in construction, cost is low, automatically control, the beneficial effect that operating efficiency is high.
Description
Technical field
The present invention relates to a kind of metal tube punch device.
Background technology
, it is necessary to a kind of metal tube in railway engineering, tunnel, the process engineering of bridge, as shown in figure 1, the head of metal tube 1
Pointed, other positions need to beat evenly spaced to perforation 11, in the prior art, without full automatic punch device.
The content of the invention
The present invention is according to the above deficiency, there is provided a kind of metal tube full automatically punching equipment, can complete to beat evenly spaced
To perforation.
The technical scheme is that：
A kind of metal tube full automatically punching equipment, it is characterized in that, including：
Frame；
Two hold assemblies, are installed in parallel in frame；
Perforating mechanism, in frame and between two hold assemblies, metal tube can be fed sequentially into wherein one
Hold assembly, perforating mechanism, another hold assembly；
Wherein, perforating mechanism includes：
Substrate is punched, four pieces, is symmetrically fixed on the position up and down of metal tube, and fixed relative to frame；
Hydraulic cylinder is punched, four, cylinder body is fixed on punching substrate, and punching hydraulic cylinder is by punching solenoid valve control；
Punching press chuck, is fixed with the connecting rod of punching hydraulic cylinder by four；
Staking punch, is fixed by punching press grips respectively by four；
Control system, electrical connection hold assembly and punching magnetic valve.
By staking punch, symmetrically carry out punching press, beat metal tube to perforation.
Preferably, described hold assembly includes：
Clamp substrate；
Clamping plate, is provided with two pieces, parallel to be fixed on clamping substrate, clamping plate center, which is offered, can penetrate the logical of metal tube
Hole, through hole offers symmetrical locating slot up and down；
Supporting rod, four, is hinged composition quadrangle, pin joint penetrates hinge bar, hinge bar insertion locating slot；
Clamping hydraulic cylinder, cylinder body is fixed on clamping plate, and the connecting rod of clamping hydraulic cylinder is fixed with one of hinge bar, clamping
Hydraulic cylinder is acted, and the quadrangle of supporting rod composition can clamp the metallic rod of insertion, and clamping hydraulic cylinder is by clamping solenoid valve control, folder
Magnetic valve is held to be controlled by the control system；
Hold assembly is by clamping substrate in described frame.
Regardless of the size of metal tube, metal tube is centrally located position by hold assembly kinetic energy.
Preferably, also including：
Slide rail, slide bar and delivery hydraulic pressure cylinder, wherein,
Slide bar, is fixed with described frame；
Slide rail, is fixed on the bottom surface of clamping substrate, and hold assembly is only capable of moving along slide bar；
Delivery hydraulic pressure cylinder, cylinder body is fixed with described frame, and connecting rod is fixed with the clamping substrate, and delivery hydraulic pressure cylinder is by defeated
Solenoid valve control is sent, transfer solenoid valve is controlled by the control system.
The connecting rod of the delivery hydraulic pressure cylinder is fixed with encoder fixed plate, and encoder fixed plate is fixed with encoder, coding
The rotary shaft of device is fixed with gear, in addition to spur rack and conveying mechanism position sensor, spur rack be fixed in frame and with
The gear engagement of encoder, conveying mechanism position sensor is fixed in frame, and the starting for capturing and coding device fixed plate is believed
Number, conveying mechanism position sensor and the described control system of encoder electrical connection.
It should be noted that can obtain the displacement signal of metal tube by encoder, conveying mechanism position sensor is then
The counting starting point and end count of encoder to count pulse can be obtained.
During two hold assembly work, first hold assembly is clamped, second hold assembly loosens, the first hold assembly
Metal tube can accurately be shifted in the presence of delivery hydraulic pressure cylinder, and then, first hold assembly loosens, second folder
Member grip is held, the delivery hydraulic pressure cylinder of first hold assembly resets, and the second hold assembly is in the presence of delivery hydraulic pressure cylinder, energy
Metal tube is accurately shifted, so circulation, complete the continuous displacement to metal tube.
In order to be able to be positioned to metal tube, in addition to：
Metal tube initial positioning mechanism, it is made up of metal tube initial alignment support frame, metal tube initial alignment hydraulic cylinder,
Wherein,
Metal tube initial alignment support frame is fixed with described frame；
The cylinder body of metal tube initial alignment hydraulic cylinder is fixed with metal tube initial alignment support frame, metal tube initial alignment liquid
The connecting rod of cylinder pressure can carry out spacing, metal tube initial alignment hydraulic pressure in diastole state to the metal tube stretched out from hold assembly
The connecting rod of cylinder does not influence the displacement of metal tube when shrinking；
Metal tube initial alignment hydraulic cylinder is by metal tube initial alignment solenoid valve control, metal tube initial alignment magnetic valve electricity
It is connected to the control system.
After metal tube is added to certain temperature, perforate can become easy, therefore, also including：
Electromagnetic induction heating device, is fixed in frame, and electromagnetic induction heating device is provided with heating coil, heating coil
With the concentric installation of metal tube, electromagnetic induction heating device is controlled by the control system, and metal tube can in advance be heated and is then sent through
The perforating mechanism punching.
The perforating mechanism metal tube can be beaten or so simultaneously and/or above-below direction two holes.
It should be noted that upper-lower position is punched simultaneously when, stress is more balanced, similarly, right position is punched simultaneously when,
Stress is also more balanced.
Control system can select PLC as control centre, and input and display screen are used as using touch-screen.The pitch-row of metal tube
It can also preset as needed.Control system can set program, beat metal tube or so a mobile segment distance after device to hole and stamp again
Lower device to hole, so circulation.
All hydraulic cylinders are all connected to oil storage barrel through high-pressure oil pump.
The present invention has that simple in construction, cost is low, automatically control, the beneficial effect that operating efficiency is high.
Brief description of the drawings
Fig. 1 is the structural representation of metal tube of the present invention.
Fig. 2 is overall structure diagram of the present invention.
Fig. 3 is Fig. 2 side view.
Fig. 4 is the structural representation of hold assembly of the present invention.
Fig. 5 is the structural representation of perforating mechanism of the present invention.
Fig. 6 is the related structural representation of inventive encoder.
Embodiment
In conjunction with accompanying drawing, the present invention is further illustrated：
As illustrated, two hold assemblies 5, are installed in parallel in frame；
Perforating mechanism 6, in frame and between two hold assemblies 5, metal tube 1 can be fed sequentially into wherein
One hold assembly 5, perforating mechanism 6, another hold assembly 5；
Wherein, perforating mechanism 6 includes：
Substrate 63 is punched, four pieces, is symmetrically fixed on the position up and down of metal tube 1, and fixed relative to frame；
Hydraulic cylinder 61 is punched, four, cylinder body is fixed on punching substrate 63, and punching hydraulic cylinder 61 is by punching magnetic valve control
System；
Punching press chuck 62, is fixed with the connecting rod of punching hydraulic cylinder 61 by four；
Staking punch 64, is gripped by punching press chuck 62 respectively by four；
Control system, electrical connection hold assembly 5 and punching magnetic valve.
Hold assembly 5 includes：
Clamp substrate 57；
Clamping plate 52, is provided with two pieces, parallel to be fixed on clamping substrate 57, the center of clamping plate 52, which is offered, can penetrate metal tube
1 through hole 58, through hole 58 offers symmetrical locating slot 56 up and down；
Supporting rod 54, four, is hinged composition quadrangle, pin joint penetrates hinge bar 53, the insertion locating slot 56 of hinge bar 53；
Clamping hydraulic cylinder 51, cylinder body is fixed on clamping plate 52, the connecting rod of clamping hydraulic cylinder 51 and one of hinge bar 53
Fixed, clamping hydraulic cylinder 51 is acted, and the quadrangle that supporting rod 54 is constituted can clamp the metallic rod 1 of insertion, clamping hydraulic cylinder 51 by
Solenoid valve control is clamped, clamping magnetic valve is by control system control；
Hold assembly 5 is by clamping substrate 57 in frame.
Also include：
Slide rail, slide bar 71 and delivery hydraulic pressure cylinder 72, wherein,
Slide bar 71, is fixed with frame；
Slide rail, is fixed on the bottom surface of clamping substrate 57, and hold assembly 5 is only capable of moving along slide bar 71；
Delivery hydraulic pressure cylinder 72, cylinder body is fixed with frame, and connecting rod is fixed with clamping substrate 57, and delivery hydraulic pressure cylinder 72 is by conveying electricity
Magnet valve is controlled, and transfer solenoid valve is by control system control.
The connecting rod of delivery hydraulic pressure cylinder 72 is fixed with encoder fixed plate 76, and encoder fixed plate 76 is fixed with encoder 74,
The rotary shaft of encoder 74 is fixed with gear, in addition to spur rack 72 and conveying mechanism position sensor 75, and spur rack 75 is fixed
Engaged in frame and with the gear of encoder 74, conveying mechanism position sensor 75 is fixed in frame, for capturing and coding
The initial signal of device fixed plate 76, conveying mechanism position sensor 75 and encoder 74 are electrically connected connected control system.
Also include：
Metal tube initial positioning mechanism, it is by metal tube initial alignment support frame 47, metal tube initial alignment hydraulic cylinder 48
Composition, wherein,
Metal tube initial alignment support frame 47 is fixed with frame；
The cylinder body of metal tube initial alignment hydraulic cylinder 48 is fixed with metal tube initial alignment support frame 47, and metal tube is initially fixed
The connecting rod of position hydraulic cylinder 48 can carry out spacing, metal tube is initial in diastole state to the metal tube 1 stretched out from hold assembly 5
The connecting rod of positioning hydraulic cylinders 48 does not influence the displacement of metal tube 1 when shrinking；
Metal tube initial alignment hydraulic cylinder 48 is by metal tube initial alignment solenoid valve control, metal tube initial alignment magnetic valve
It is electrically connected to control system.
Also include：
Electromagnetic induction heating device 3, is fixed in frame, and electromagnetic induction heating device 3 is provided with heating coil 31, heating
Coil 31 can be heated again in advance with the concentric installation of metal tube 1, electromagnetic induction heating device 3 by control system control, metal tube 1
Perforating mechanism 6 is sent to punch.
Perforating mechanism 6 can be while to two holes 11 of metal tube 1 dozen or so and/or above-below direction.
Claims (6)
1. a kind of metal tube full automatically punching equipment, it is characterized in that, including：
Frame；
Two hold assemblies (5), are installed in parallel in frame；
Perforating mechanism (6), in frame and between two hold assemblies (5), metal tube (1) can be fed sequentially into it
In hold assembly (5), perforating mechanism (6), an another hold assembly (5)；
Wherein, perforating mechanism (6) includes：
Substrate (63) is punched, four pieces, on the position up and down for being symmetrically fixed on metal tube (1), and is fixed relative to frame；
Hydraulic cylinder (61) is punched, four, cylinder body is fixed on punching substrate (63), and punching hydraulic cylinder (61) is by punching magnetic valve control
System；
Punching press chuck (62), is fixed with the connecting rod of punching hydraulic cylinder (61) by four；
Staking punch (64), is gripped by punching press chuck (62) respectively by four；
Control system, electrical connection hold assembly (5) and punching magnetic valve；
Described hold assembly (5) includes：
Clamp substrate (57)；
Clamping plate (52), is provided with two pieces, parallel to be fixed on clamping substrate (57), clamping plate (52) center, which is offered, can penetrate metal
The through hole (58) of (1) is managed, through hole (58) offers symmetrical locating slot (56) up and down；
Supporting rod (54), four, is hinged composition quadrangle, pin joint penetrates hinge bar (53), hinge bar (53) insertion locating slot
(56)；
Clamping hydraulic cylinder (51), cylinder body is fixed on clamping plate (52), connecting rod and the one of hinge bar of clamping hydraulic cylinder (51)
(53) fixed, clamping hydraulic cylinder (51) action, the quadrangle of supporting rod (54) composition can clamp the metal tube (1) of insertion, clamp
Hydraulic cylinder (51) is controlled by clamping solenoid valve control, clamping magnetic valve by the control system；
Hold assembly (5) is by clamping substrate (57) in described frame.
2. a kind of metal tube full automatically punching equipment as claimed in claim 1, it is characterized in that, in addition to：
Slide rail, slide bar (71) and delivery hydraulic pressure cylinder (72), wherein,
Slide bar (71), is fixed with described frame；
Slide rail, is fixed on the bottom surface of clamping substrate (57), and hold assembly (5) is only capable of mobile along slide bar (71)；
Delivery hydraulic pressure cylinder (72), cylinder body is fixed with described frame, and connecting rod and the clamping substrate (57) are fixed, delivery hydraulic pressure cylinder
(72) by transfer solenoid valve control, transfer solenoid valve is controlled by the control system.
3. a kind of metal tube full automatically punching equipment as claimed in claim 2, it is characterized in that, the delivery hydraulic pressure cylinder (72)
Connecting rod is fixed with encoder fixed plate (76), and encoder fixed plate (76) is fixed with encoder (74), the rotation of encoder (74)
Axle is fixed with gear, in addition to spur rack and conveying mechanism position sensor (75), spur rack be fixed in frame and with coding
The gear engagement of device (74), conveying mechanism position sensor (75) is fixed in frame, for capturing and coding device fixed plate (76)
Initial signal, conveying mechanism position sensor (75) and the described control system of encoder (74) electrical connection.
4. a kind of metal tube full automatically punching equipment as described in claim any one of 1-3, it is characterized in that, in addition to：
Metal tube initial positioning mechanism, it is by metal tube initial alignment support frame (47), metal tube initial alignment hydraulic cylinder (48)
Composition, wherein,
Metal tube initial alignment support frame (47) is fixed with described frame；
The cylinder body of metal tube initial alignment hydraulic cylinder (48) is fixed with metal tube initial alignment support frame (47), and metal tube is initially fixed
The connecting rod of position hydraulic cylinder (48) can carry out spacing, metal in diastole state to the metal tube (1) stretched out from hold assembly (5)
The connecting rod of pipe initial alignment hydraulic cylinder (48) does not influence the displacement of metal tube (1) when shrinking；
Metal tube initial alignment hydraulic cylinder (48) is by metal tube initial alignment solenoid valve control, metal tube initial alignment magnetic valve electricity
It is connected to the control system.
5. a kind of metal tube full automatically punching equipment as claimed in claim 4, it is characterized in that, in addition to
Electromagnetic induction heating device (3), is fixed in frame, and electromagnetic induction heating device (3) is provided with heating coil (31), plus
Heat coil (31) is controlled with the concentric installation of metal tube (1), electromagnetic induction heating device (3) by the control system, metal tube
(1) it can in advance heat and be then sent through the perforating mechanism (6) punching.
6. a kind of metal tube full automatically punching equipment as claimed in claim 4, it is characterized in that, the perforating mechanism (6) can be same
When metal tube (1) is beaten or so and/or above-below direction two holes (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610389159.6A CN105903805B (en) | 2016-06-02 | 2016-06-02 | Metal tube full automatically punching equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610389159.6A CN105903805B (en) | 2016-06-02 | 2016-06-02 | Metal tube full automatically punching equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105903805A CN105903805A (en) | 2016-08-31 |
| CN105903805B true CN105903805B (en) | 2017-11-03 |
Family
ID=56742206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610389159.6A Active CN105903805B (en) | 2016-06-02 | 2016-06-02 | Metal tube full automatically punching equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105903805B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113814314A (en) * | 2021-09-09 | 2021-12-21 | 深圳市欧因控科技有限公司 | Voice coil framework punching device and method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005254303A (en) * | 2004-03-12 | 2005-09-22 | Kondo Seisakusho:Kk | Press hole working device |
| CN101600642A (en) * | 2006-11-23 | 2009-12-09 | 派内曼设备有限责任公司 | Article holder |
| CN201516463U (en) * | 2009-10-22 | 2010-06-30 | 王晓军 | Punching apparatus for pipes |
| CN204602997U (en) * | 2015-03-30 | 2015-09-02 | 金华市亚虎工具有限公司 | Fully automatic high-speed perforating press |
| CN204934322U (en) * | 2015-08-26 | 2016-01-06 | 无锡市源隆金属制品有限公司 | A kind of multistation perforating press |
| CN205660042U (en) * | 2016-06-02 | 2016-10-26 | 温州泳恒科技有限公司 | Tubular metal resonator full -automatic hole punching equipment |
-
2016
- 2016-06-02 CN CN201610389159.6A patent/CN105903805B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005254303A (en) * | 2004-03-12 | 2005-09-22 | Kondo Seisakusho:Kk | Press hole working device |
| CN101600642A (en) * | 2006-11-23 | 2009-12-09 | 派内曼设备有限责任公司 | Article holder |
| CN201516463U (en) * | 2009-10-22 | 2010-06-30 | 王晓军 | Punching apparatus for pipes |
| CN204602997U (en) * | 2015-03-30 | 2015-09-02 | 金华市亚虎工具有限公司 | Fully automatic high-speed perforating press |
| CN204934322U (en) * | 2015-08-26 | 2016-01-06 | 无锡市源隆金属制品有限公司 | A kind of multistation perforating press |
| CN205660042U (en) * | 2016-06-02 | 2016-10-26 | 温州泳恒科技有限公司 | Tubular metal resonator full -automatic hole punching equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105903805A (en) | 2016-08-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105903805B (en) | Metal tube full automatically punching equipment | |
| CN106077321B (en) | Metal tube former and its processing method | |
| CN205837988U (en) | A kind of PU material automatic material fetching machine | |
| CN204817610U (en) | Automatic bender of quick location of high accuracy | |
| CN205660042U (en) | Tubular metal resonator full -automatic hole punching equipment | |
| CN105855365B (en) | Metal tube full-automatic forming equipment and its processing method | |
| CN204514710U (en) | A kind of for the fixture stretched that is energized | |
| CN205684557U (en) | Metal tube full-automatic forming equipment | |
| CN103994925A (en) | A clamping testing device of an ectro-hydraulic compression-testing machine | |
| CN203155803U (en) | Automatic punching device | |
| CN105363887A (en) | Punching device with hook-shaped positioning pin | |
| CN203725581U (en) | Multi-station square tube punching device | |
| CN204367063U (en) | A kind of ribbon automatic punch machine | |
| CN206506423U (en) | A kind of device hot-forming applied to motor coil turn-to-turn | |
| CN106787525B (en) | A kind of output device in stator bottom land paper insertion equipment | |
| CN106111811B (en) | A kind of hydraulic oil pipe Special mould for bending and its method of work | |
| CN104952587B (en) | Magnetizing mechanism on magnetron production line | |
| CN202607036U (en) | Engine oil cooler brazing clamping device | |
| CN207288788U (en) | Rivet is prevented turning over conveying device | |
| CN207204966U (en) | A kind of medical suturing instrument outer tube decompressor | |
| CN107414953B (en) | A kind of full-automatic swaging perforating press | |
| CN104029146A (en) | Clamp for press fitting of short-axis pipe | |
| CN214976971U (en) | Double-point crankshaft stamping device | |
| CN206436183U (en) | A kind of elastic cylindrical pin handling instrument | |
| CN205921829U (en) | PCB moves back tool of drill point fast |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Fully automatic punching equipment for metal pipes Effective date of registration: 20231202 Granted publication date: 20171103 Pledgee: Zhejiang Cangnan Rural Commercial Bank Co.,Ltd. Huancheng Branch Pledgor: WENZHOU YONG HENG TECHNOLOGY Co.,Ltd. Registration number: Y2023980068748 |