CN108942251B - A kind of clutch coupling of washing machine component drilling chamfering integrated device - Google Patents

A kind of clutch coupling of washing machine component drilling chamfering integrated device Download PDF

Info

Publication number
CN108942251B
CN108942251B CN201810877119.5A CN201810877119A CN108942251B CN 108942251 B CN108942251 B CN 108942251B CN 201810877119 A CN201810877119 A CN 201810877119A CN 108942251 B CN108942251 B CN 108942251B
Authority
CN
China
Prior art keywords
chamfering
rod
washing machine
clutch coupling
integrated device
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
Application number
CN201810877119.5A
Other languages
Chinese (zh)
Other versions
CN108942251A (en
Inventor
张东放
张潇
周军军
张�杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningguo Jintai Metal Products Co Ltd
Original Assignee
Ningguo Jintai Metal Products Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ningguo Jintai Metal Products Co Ltd filed Critical Ningguo Jintai Metal Products Co Ltd
Priority to CN201810877119.5A priority Critical patent/CN108942251B/en
Publication of CN108942251A publication Critical patent/CN108942251A/en
Application granted granted Critical
Publication of CN108942251B publication Critical patent/CN108942251B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P23/00Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
    • B23P23/04Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

The invention discloses a kind of clutch coupling of washing machine component drilling chamfering integrated devices, including appliance stand, the bound copy of a document kept on file inner wall of described device bracket has been bolted to connection rotary electric machine one, the output shaft of the rotary electric machine one is fixedly connected with rotation plectane, vertical plate is fixedly welded at the top edge position of the rotation plectane, the vertical plate has several, and curved rod is fixedly welded between vertical plate respectively, sliding sleeve is equipped with sliding sleeve on the outside of the body of rod of the curved rod, sliding sleeve respectively there are two, and the side that two sliding sleeves are located remotely from each other is respectively arranged with spring, the spring is respectively sleeved on the outside of the body of rod of curved rod, the vertical top of the rotation plectane is provided with fixed rotating plate.The present invention reduces the processing times of component and operating procedures, greatly improve production efficiency, increase the service life of drilling rod, reduce processing cost, meet use demand of the people in production and living.

Description

A kind of clutch coupling of washing machine component drilling chamfering integrated device
Technical field
The present invention relates to household electrical appliances production technical fields more particularly to a kind of clutch coupling of washing machine component drilling chamfering integrally to fill It sets.
Background technique
In clutch coupling of washing machine component processing unit, need to drill to section components, and to the hole drilled out into The polishing of row inner wall and unilateral chamfering, existing processing unit (plant) have a single function, and drilling, inner wall polishing and the unilateral chamfering of component need It to carry out on different devices, process is more, and efficiency is slower, and in existing drilling device, is using drilling rod and component Direct rigid contact easily leads to fractureing for drilling rod, production cost is caused to increase, and also reduces into and produces efficiency, can not meet people Use demand in production and living.
Summary of the invention
The purpose of the present invention is to solve machining function existing in the prior art is single, the lower disadvantage of efficiency, and A kind of clutch coupling of washing machine component drilling chamfering integrated device proposed.
To achieve the goals above, present invention employs following technical solutions:
A kind of clutch coupling of washing machine component drilling chamfering integrated device, including appliance stand, the bottom side of described device bracket Inner wall has been bolted to connection rotary electric machine one, and the output shaft of the rotary electric machine one is fixedly connected with rotation plectane, institute It states and is fixedly welded with vertical plate at the top edge position of rotation plectane, the vertical plate has several, and fixes respectively between vertical plate Be welded with curved rod, sliding sleeve is equipped with sliding sleeve on the outside of the body of rod of the curved rod, sliding sleeve respectively there are two, And the side that two sliding sleeves are located remotely from each other is respectively arranged with spring, the spring is respectively sleeved at curved rod On the outside of the body of rod, the vertical top of the rotation plectane is provided with fixed rotating plate, and the bottom side of fixed rotating plate offers T-shaped turn Slot, and T-shaped Rotational Cylindrical is rotatably connected in T-shaped turn trough, the bottom end of the T-shaped Rotational Cylindrical all extends to fixed rotating plate Bottom side, the bottom end of the T-shaped Rotational Cylindrical and sliding sleeve side close to each other be provided with rotation seat, rotation plectane and Several rotating bars are provided between vertical plate, and the both ends of rotating bar are rotatably connected in rotation seat respectively, the fixed rotating plate Top edge position at offer several fixed grooves, and the bottom side inner wall of fixed groove offers leak hole, described device The top side inner wall of bracket, which is bolted, is equipped with cylinder, and the output rod of the cylinder is fixedly connected with connection frame, connection frame Inside it is fixedly installed with rotary electric machine two, the output shaft of rotary electric machine two is sequentially connected with driving gear, and the one of the driving gear Side engagement is connected with driven gear, and the bottom side coaxial transmission of the driven gear is connected with connection main shaft, the connection main shaft Bottom end extends to the bottom side of connection frame and is sequentially coaxially fixedly connected with chamfering frosted rotary table, polishing sand column and drilling rod, the dress The side inner wall for setting bracket is provided with blanking tube.
Preferably, several described vertical plates are annular equidistant is arranged at the top edge position of rotation plectane.
Preferably, the driven gear is located at the vertical top of fixed groove.
Preferably, the rotation seat is H-shaped structure, and the both ends of rotating bar offer circular hole.
Preferably, the chamfering frosted rotary table is truncated conical shape, and the bottom diameter of chamfering frosted rotary table is ground less than chamfering The top end diameter of sand rotary table.
Preferably, the blanking tube is located at the vertical top of fixed groove, and the bottom end of blanking tube is close to fixed rotating plate Bottom side.
Compared with prior art, the beneficial effects of the present invention are:
1, the clutch coupling of washing machine component drills chamfering integrated device, by disposably being drilled, polished to component and Chamfering reduces the processing times and operating procedure of component, greatly improves production efficiency.
2, clutch coupling of washing machine component drilling chamfering integrated device passes through and elastic machine is arranged in the bottom of fixed device Structure increases the service life of drilling rod, reduces processing cost so that drilling rod is not easily broken during being punched.
It is not directed to part in the device to be the same as those in the prior art or can be realized by using the prior art, the present invention is reduced The processing times and operating procedure of component, greatly improve production efficiency, increase the service life of drilling rod, reduce plus Work cost meets use demand of the people in production and living.
Detailed description of the invention
Fig. 1 is a kind of front view structure signal of clutch coupling of washing machine component drilling chamfering integrated device proposed by the present invention Figure;
Fig. 2 is that a kind of details of the part A of clutch coupling of washing machine component drilling chamfering integrated device proposed by the present invention is put Big structure schematic diagram;
Fig. 3 is that a kind of details of the part B of clutch coupling of washing machine component drilling chamfering integrated device proposed by the present invention is put Big structure schematic diagram;
Fig. 4 is a kind of plan structure of the part of clutch coupling of washing machine component drilling chamfering integrated device proposed by the present invention Schematic diagram;
Fig. 5 is a kind of side view structure of the part of clutch coupling of washing machine component drilling chamfering integrated device proposed by the present invention Schematic diagram.
In figure: appliance stand 1, rotary electric machine 1, rotation plectane 3, vertical plate 4, curved rod 5, sliding sleeve 6, spring 7, Fixed rotating plate 8, T-shaped Rotational Cylindrical 9, rotation seat 10, rotating bar 11, cylinder 12, connection frame 13, rotary electric machine 2 14, driving tooth Wheel 15, driven gear 16, connection main shaft 17, chamfering frosted rotary table 18, polishing sand column 19, drilling rod 20, blanking tube 21.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Embodiment one
Referring to Fig.1-5, a kind of clutch coupling of washing machine component drilling chamfering integrated device, including appliance stand 1, appliance stand 1 bottom side inner wall has been bolted to connection rotary electric machine 1, and the output shaft of rotary electric machine 1 is fixedly connected with rotation circle Plate 3 rotates and is fixedly welded with vertical plate 4 at the top edge position of plectane 3, and vertical plate 4 has several, and solid respectively between vertical plate 4 Surely it is welded with curved rod 5, sliding sleeve is equipped with sliding sleeve 6 on the outside of the body of rod of curved rod 5, and sliding sleeve 6 has two respectively It is a, and the side that two sliding sleeves 6 are located remotely from each other is respectively arranged with spring 7, spring 7 is respectively sleeved at curved rod 5 On the outside of the body of rod, the vertical top of rotation plectane 3 is provided with fixed rotating plate 8, and the bottom side of fixed rotating plate 8 offers T-shaped turn trough, And T-shaped Rotational Cylindrical 9 is rotatably connected in T-shaped turn trough, the bottom end of T-shaped Rotational Cylindrical 9 all extends to the bottom of fixed rotating plate 8 Side, the bottom end and the side close to each other of sliding sleeve 6 of T-shaped Rotational Cylindrical 9 are provided with rotation seat 10, rotate plectane 3 and stand Several rotating bars 11 are provided between plate 4, and the both ends of rotating bar 11 are rotatably connected on respectively in rotation seat 10, it is fixed to turn Several fixed grooves are offered at the top edge position of plate 8, and the bottom side inner wall of fixed groove offers leak hole, device branch The top side inner wall of frame 1, which is bolted, is equipped with cylinder 12, and the output rod of cylinder 12 is fixedly connected with connection frame 13, connection frame Rotary electric machine 2 14 is fixedly installed in 13, the output shaft of rotary electric machine 2 14 is sequentially connected with driving gear 15, driving gear 15 side engagement is connected with driven gear 16, and the bottom side coaxial transmission of driven gear 16 is connected with connection main shaft 17, connection master The bottom end of axis 17 extends to the bottom side of connection frame 13 and is sequentially coaxially fixedly connected with chamfering frosted rotary table 18, polishing sand column 19 Blanking tube 21 is provided with the side inner wall of drilling rod 20, appliance stand 1.
Component to be processed in blanking tube 21 enters in fixed groove one by one, turns with the rotation of fixed rotating plate 8 Dynamic motor 1 drives parts to be machined to turn to connection main shaft 17 vertically below, and cylinder 12 drives connection frame 13 to moving down It is dynamic, meanwhile, rotary electric machine 2 14 starts, and drives connection main shaft 17 to rotate by driving gear 15 and driven gear 16, connection During frame 13 moves down, drilling rod 20 carries out drilling operation to parts to be machined, rotate between plectane 3 and vertical plate 4 away from Defection first reduces, and during reduction, the both ends of rotating bar 11 rotate in rotation seat 10, meanwhile, sliding sleeve 6 is in arc The outer Slideslip of shape connecting rod 5, T-shaped Rotational Cylindrical 9 carries out the rotation of low-angle, so that the sliding of sliding sleeve 6 can be realized, Spring 7 preferably buffers this process, avoids the rigid contact of moment between drilling rod 20 and parts to be machined, in turn Being damaged or broken off for drilling rod 20 is avoided, after carrying out certain displacement, bottom contacts fixed rotating plate 8 with vertical plate 4, just stops moving Dynamic, drilling rod 20 continues to complete drilling and subsequent polishing and chamfering, and drilling rod 20 enters leak hole after drilling is completed, connection frame 13 after Continuous polishing sand column 19 polishes to the inner wall for the hole got downwards, keeps it more smooth, connection frame 13 continues downwards, Angle frosted rotary table 18 then carries out chamfering polishing to the extension mouth on the top of hole.
Embodiment two
As shown in Figs. 1-5, the present embodiment is substantially the same manner as Example 1, it is preferable that several vertical plates 4 are annular equidistant to be set It sets at the top edge position of rotation plectane 3.
In the present embodiment, the vertical plate 4 that annular is placed equidistant with to rotate to be subjected to displacement between plectane 3 and fixed rotating plate 8 When, it is more uniformly stressed, buffering effect is more preferable, also ensures that rotation plectane 3 remains parallel with fixed rotating plate 8.
Embodiment three
As shown in Figs. 1-5, the present embodiment is substantially the same manner as Example 1, it is preferable that driven gear 16 is located at anchor The vertical top of slot.
In the present embodiment, being vertically arranged in driven gear 16 accurately can carry out positioning process to parts to be machined.
Example IV
As shown in Figs. 1-5, the present embodiment is substantially the same manner as Example 1, it is preferable that rotation seat 10 is H-shaped structure, and is rotated The both ends of bar 11 offer circular hole.
In the present embodiment, the completion that rotating bar 11 can be more smooth is rotated.
Embodiment five
As shown in Figs. 1-5, the present embodiment is substantially the same manner as Example 1, it is preferable that chamfering frosted rotary table 18 is truncated cone-shaped Shape, and the bottom diameter of chamfering frosted rotary table 18 is less than the top end diameter of chamfering frosted rotary table 18.
In the present embodiment, chamfering frosted rotary table 18 can complete chamfering process.
Embodiment six
As shown in Figs. 1-5, the present embodiment is substantially the same manner as Example 1, it is preferable that blanking tube 21 is located at fixed groove Vertical top, and the bottom end of blanking tube 21 is close to the bottom side of fixed rotating plate 8.
In the present embodiment, it ensure that the parts to be machined in blanking tube 21 can enter in fixed groove one by one.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims (6)

  1. The chamfering integrated device 1. a kind of clutch coupling of washing machine component drills, including appliance stand (1), which is characterized in that the dress The bottom side inner wall for setting bracket (1) has been bolted to connection rotary electric machine one (2), the output shaft of the rotary electric machine one (2) It is fixedly connected with rotation plectane (3), is fixedly welded with vertical plate (4) at the top edge position of rotation plectane (3), it is described vertical Plate (4) has several, and is fixedly welded with curved rod (5) between vertical plate (4) respectively, outside the body of rod of the curved rod (5) The equal sliding sleeve in side is equipped with sliding sleeve (6), sliding sleeve (6) respectively there are two, and two sliding sleeves (6) are located remotely from each other Side be respectively arranged with spring (7), the spring (7) is respectively sleeved on the outside of the body of rod of curved rod (5), the rotation The vertical top of plectane (3) is provided with fixed rotating plate (8), and the bottom side of fixed rotating plate (8) offers T-shaped turn trough, and T-shaped It is rotatably connected in turn trough T-shaped Rotational Cylindrical (9), the bottom end of the T-shaped Rotational Cylindrical (9) all extends to fixed rotating plate (8) Bottom side, the bottom end of the T-shaped Rotational Cylindrical (9) and sliding sleeve (6) side close to each other be provided with rotation seat (10), Several rotating bars (11) are provided between rotation plectane (3) and vertical plate (4), and the both ends of rotating bar (11) are rotatablely connected respectively In rotation seat (10), several fixed grooves, and fixed groove are offered at the top edge position of the fixed rotating plate (8) Bottom side inner wall offer leak hole, the top side inner wall of described device bracket (1), which is bolted, to be equipped with cylinder (12), described The output rod of cylinder (12) is fixedly connected with connection frame (13), is fixedly installed with rotary electric machine two (14) in connection frame (13), is turned The output shaft of dynamic motor two (14) is sequentially connected with driving gear (15), the side engagement of the driving gear (15) be connected with from Moving gear (16), the bottom side coaxial transmission of the driven gear (16) are connected with connection main shaft (17), the connection main shaft (17) Bottom end extend to the bottom side of connection frame (13) and be sequentially coaxially fixedly connected with chamfering frosted rotary table (18), polishing sand column (19) With drilling rod (20), the side inner wall of described device bracket (1) is provided with blanking tube (21).
  2. The chamfering integrated device 2. a kind of clutch coupling of washing machine component according to claim 1 drills, which is characterized in that several The equidistant setting of a vertical plate (4) annular is at the top edge position of rotation plectane (3).
  3. The chamfering integrated device 3. a kind of clutch coupling of washing machine component according to claim 1 drills, which is characterized in that described Driven gear (16) is located at the vertical top of fixed groove.
  4. The chamfering integrated device 4. a kind of clutch coupling of washing machine component according to claim 1 drills, which is characterized in that described Rotation seat (10) is H-shaped structure, and the both ends of rotating bar (11) offer circular hole.
  5. The chamfering integrated device 5. a kind of clutch coupling of washing machine component according to claim 1 drills, which is characterized in that described Chamfering frosted rotary table (18) is truncated conical shape, and the bottom diameter of chamfering frosted rotary table (18) is less than chamfering frosted rotary table (18) Top end diameter.
  6. The chamfering integrated device 6. a kind of clutch coupling of washing machine component according to claim 1 drills, which is characterized in that described Blanking tube (21) is located at the vertical top of fixed groove, and the bottom end of blanking tube (21) is close to the bottom side of fixed rotating plate (8).
CN201810877119.5A 2018-08-03 2018-08-03 A kind of clutch coupling of washing machine component drilling chamfering integrated device Active CN108942251B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810877119.5A CN108942251B (en) 2018-08-03 2018-08-03 A kind of clutch coupling of washing machine component drilling chamfering integrated device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810877119.5A CN108942251B (en) 2018-08-03 2018-08-03 A kind of clutch coupling of washing machine component drilling chamfering integrated device

Publications (2)

Publication Number Publication Date
CN108942251A CN108942251A (en) 2018-12-07
CN108942251B true CN108942251B (en) 2019-10-01

Family

ID=64467395

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810877119.5A Active CN108942251B (en) 2018-08-03 2018-08-03 A kind of clutch coupling of washing machine component drilling chamfering integrated device

Country Status (1)

Country Link
CN (1) CN108942251B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109940696B (en) * 2019-04-22 2021-02-26 嵊州市井野机电科技有限公司 Handheld glass steel plate punching machine
CN109866278B (en) * 2019-04-22 2021-03-02 嵊州市井野机电科技有限公司 Handheld glass steel plate punching machine
CN110202385B (en) * 2019-07-09 2020-08-21 台州市诺贝格塑模有限公司 Sputtering-proof drilling and grinding integrated machining system
CN111331687B (en) * 2020-03-12 2021-06-25 潜山大兴木业有限公司 Multifunctional punching device for plate processing
CN112705947B (en) * 2020-11-26 2022-09-30 重庆新久融科技有限公司 Perforating device is used in aluminum alloy plate processing
CN114570979B (en) * 2022-05-05 2022-09-02 山东永进传动机械有限公司 Drilling device for balance shaft positioning hole
CN116213840B (en) * 2023-03-30 2023-09-26 浙江欧星环美汽车部件有限公司 Spoke wind hole chamfering equipment

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0634247A1 (en) * 1993-07-03 1995-01-18 Urs Hagen Machine-tool for working large workpieces
CN202137423U (en) * 2011-07-01 2012-02-08 华伟纳精密工具(昆山)有限公司 Front end external diameter large conicity micro blind hole drill
CN102514043A (en) * 2011-12-27 2012-06-27 特新微电子(东莞)有限公司 Drilling machine
DE112010001887T5 (en) * 2009-04-17 2012-08-23 Ege Zincir Tarim Ürünleri Insaat Gida Hayvancilik Makina Yedekparca San.Tic.Ltd. Sti. Machine for chain connection components
CN104148688A (en) * 2014-08-13 2014-11-19 遂昌金豪门锁业有限公司 Automatic drilling machine for locking dog
CN107335829A (en) * 2017-08-29 2017-11-10 嘉兴倍成新材料科技有限公司 A kind of coaxial drilling equipment of new material multiaxis

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0634247A1 (en) * 1993-07-03 1995-01-18 Urs Hagen Machine-tool for working large workpieces
DE112010001887T5 (en) * 2009-04-17 2012-08-23 Ege Zincir Tarim Ürünleri Insaat Gida Hayvancilik Makina Yedekparca San.Tic.Ltd. Sti. Machine for chain connection components
CN202137423U (en) * 2011-07-01 2012-02-08 华伟纳精密工具(昆山)有限公司 Front end external diameter large conicity micro blind hole drill
CN102514043A (en) * 2011-12-27 2012-06-27 特新微电子(东莞)有限公司 Drilling machine
CN104148688A (en) * 2014-08-13 2014-11-19 遂昌金豪门锁业有限公司 Automatic drilling machine for locking dog
CN107335829A (en) * 2017-08-29 2017-11-10 嘉兴倍成新材料科技有限公司 A kind of coaxial drilling equipment of new material multiaxis

Also Published As

Publication number Publication date
CN108942251A (en) 2018-12-07

Similar Documents

Publication Publication Date Title
CN108942251B (en) A kind of clutch coupling of washing machine component drilling chamfering integrated device
CN107617952A (en) A kind of inner container of electric cooker sanding apparatus
CN107761304A (en) There is the automatic washing machine of compartment inside
CN104083134B (en) A kind of burnisher
CN108784590A (en) A kind of glass cleaning robot
CN205514450U (en) Vertical multifunctional tableware cleaning machine
CN109048593B (en) Facing attachment is used in a kind of processing of Multifunctional washing machine clutch spline flange
CN108784589B (en) Intelligent robot capable of automatically cleaning glass cups
CN201581229U (en) Automatic back tug mechanism for sewing machine
CN205098985U (en) Install in clamping device of carousel
CN113247587B (en) Air conditioner filter screen centre gripping turning device
CN206351338U (en) The flexible roller feed mechanism of isolator star-wheel Automated assembly device
CN109268080A (en) A kind of turbo blade cleaning device and its application method
CN108941676A (en) Drilling equipment is used in a kind of production of clutch coupling of washing machine spline flange
CN108818055A (en) A kind of clutch coupling of washing machine flange processing fixed device of batch
CN107803443A (en) A kind of multiple rows of steel bar meter automatic bending machine
CN205733170U (en) Flange tapered-hole processing device
CN108015334A (en) A kind of milling cutter with ball shaped end
CN203314018U (en) Rotating disk type tea fixation machine
CN207223617U (en) A kind of polisher lapper of anti-rock
CN102092006A (en) Rotary driving mechanism for grinding crankshafts through grinding machine and using method thereof
CN219131712U (en) Pipe bending inner wall polisher
CN104401041B (en) Automatically paper bag knot tying machine
CN108527046A (en) A kind of plank grinding device of Furniture manufacturing processing
CN217849181U (en) Rotor line twisting device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for 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

Denomination of invention: A drilling and chamfering integrated device for washing machine clutch components

Granted publication date: 20191001

Pledgee: Ningguo SME financing Company limited by guarantee

Pledgor: NINGGUO JINTAI METAL PRODUCTS Co.,Ltd.

Registration number: Y2024980003276

PE01 Entry into force of the registration of the contract for pledge of patent right