CN204159798U - The accurate pipe fitting welding copper wire cutting machine of automobile engine - Google Patents

The accurate pipe fitting welding copper wire cutting machine of automobile engine Download PDF

Info

Publication number
CN204159798U
CN204159798U CN201420509257.5U CN201420509257U CN204159798U CN 204159798 U CN204159798 U CN 204159798U CN 201420509257 U CN201420509257 U CN 201420509257U CN 204159798 U CN204159798 U CN 204159798U
Authority
CN
China
Prior art keywords
copper wire
chain
type shoe
guide type
wheel
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
CN201420509257.5U
Other languages
Chinese (zh)
Inventor
张绍森
张志世
张世栋
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.)
Jin Yonghe Seiko manufacturing Limited by Share Ltd
Original Assignee
SHANDONG YONGHE PRECISION METALS 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 SHANDONG YONGHE PRECISION METALS Co Ltd filed Critical SHANDONG YONGHE PRECISION METALS Co Ltd
Priority to CN201420509257.5U priority Critical patent/CN204159798U/en
Application granted granted Critical
Publication of CN204159798U publication Critical patent/CN204159798U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a kind of automobile engine accurate pipe fitting welding copper wire cutting machine, comprise base, described base is provided with fixed support and copper wire sleeve; Described base is provided with cutting support, cylinder block, cylinder, switching cylinder, cutter plate, frock cover half and cutter head; Described base is provided with guide type shoe, directive wheel, driving shaft, One-way chain wheel, driving delivery wheel, driven shaft, driven delivery wheel, driving gear, driven gear and brake apparatus between described fixed support and described cutting support; Described guide type shoe is provided with the chain guide post, chain installing plate, chain, the chain extension spring that vertically arrange.The utility model is developed for fly-cutting soldering copper silk specially, by copper wire shape and length cutting according to the rules, can greatly improve production efficiency, and make brazing material uniform length, stabilize brazing product quality.

Description

The accurate pipe fitting welding copper wire cutting machine of automobile engine
Technical field
The utility model relates to a kind of copper wire cutting machine, particularly relates to a kind of automobile engine accurate pipe fitting welding copper wire cutting machine.
Background technology
At present, welding is carried out to the accurate pipe fitting of automobile engine and adopts soldering, using copper wire as solder, soak mother metal with liquid solder and fill workpiece interface gaps and make itself and the counterdiffusion of mother metal phase, brazing deformation is little, joint smooth and beautiful appearance, is suitable for welding component that is accurate, complicated and that be made up of different materials.But present soldering copper silk adopts artificial cutting mode to obtain more, inefficiency, and its shape and size error is comparatively large, has had a strong impact on brazing product quality.
Summary of the invention
Technical problem to be solved in the utility model is to provide one and develops for fly-cutting soldering copper silk specially, can by copper wire shape and length cutting according to the rules, greatly improve production efficiency, and make brazing material uniform length, stabilize the automobile engine accurate pipe fitting welding copper wire cutting machine of brazing product quality.
For solving the problems of the technologies described above, the technical solution of the utility model is: automobile engine accurate pipe fitting welding copper wire cutting machine, and comprise base, described base is provided with fixed support, described fixed support is rotatablely equipped with copper wire sleeve;
Described base is provided with cutting support, cylinder block is provided with above described cutting support, cylinder is provided with above described cylinder block, the below of described cylinder block is provided with the switching cylinder controlling described cylinder, the piston rod of described cylinder is connected with cutter plate, be provided with the frock cover half corresponding with described cutter plate below described cutter plate, described cutter plate is provided with cutter head;
Described base is provided with guide type shoe between described fixed support and described cutting support, described guide type shoe is provided with side face and opens reeded directive wheel, described guide type shoe is rotatablely equipped with driving shaft, one end of described driving shaft is provided with the One-way chain wheel of one-directional rotation, the other end of described driving shaft is provided with driving delivery wheel, the top of described driving delivery wheel is rotatablely equipped with driven shaft, the driven delivery wheel coordinated with described driving delivery wheel is arranged with outside described driven shaft, described driving shaft is provided with driving gear, described driven shaft is provided with the driven gear engaged with described driving gear, brake apparatus is provided with between described guide type shoe and described driven shaft,
Described guide type shoe is provided with the chain guide post vertically arranged, on described chain guide post, slip cap is equipped with the chain installing plate of horizontally set, one end of described chain installing plate is fixedly attached to the lower end of the piston rod of described cylinder, the other end of described chain installing plate is mounted with chain, described chain is connected with chain extension spring after walking around described One-way chain wheel, described chain extension spring is fixed on described guide type shoe, and described chain installing plate contacts with described switching cylinder and arranges under the piston rod retracted mode of described cylinder.
As preferred technical scheme, described brake apparatus comprises the rotating shaft sliding tray be arranged on described guide type shoe, described driven shaft slides and is located in described rotating shaft sliding tray, described guide type shoe is provided with and promotes the spring that described driven shaft presses to described driving shaft, is provided with driven shaft lifting device between described driven shaft and described guide type shoe.
As the improvement to technique scheme, described driven shaft lifting device comprises braking depression bar, pull bar is provided with in described rotating shaft sliding tray, described pull bar one end connects described driven shaft, the described pull bar other end stretches out described rotating shaft sliding tray and is sleeved on described braking depression bar, the middle part of described braking depression bar be provided with stretch to described guide type shoe press fulcrum.
As the further improvement to technique scheme, described One-way chain wheel comprises and is set in described driving shaft upper sprocket wheel, and described sprocket wheel inner circumferential side is provided with unidirectional interior ratchet, is provided with resiliency urged sheet between described driving shaft and described unidirectional interior ratchet.
As the further improvement to technique scheme, described frock cover half comprises tooling base, and described tooling base is provided with the sizing die head of arc, and described cutter plate is provided with the arc notch mated with described stock mould head shapes.
As improving especially further technique scheme, the top described tooling base being positioned at described sizing die head is provided with limit shaft, is provided with gas port below described limit shaft, and position corresponding with described limit shaft on described cutter plate is provided with stroke groove.
As improving especially further technique scheme, the relatively described guide type shoe side described cutting support is positioned at above described frock cover half is provided with copper wire pilot hole.
As improving especially further technique scheme, described driving delivery wheel and described driven delivery wheel outer peripheral face are respectively equipped with transmission half groove cooperatively interacted.
As improving especially further technique scheme, described guide type shoe is provided with guide pad between described directive wheel and described driving delivery wheel, described guide pad offers gathering sill.
Owing to have employed technique scheme, during use, copper wire volume is enclosed within the described copper wire sleeve on right side, copper wire is walked around successively described directive wheel, pass through between described driving delivery wheel and driven delivery wheel.When described cylinder air feed makes the retraction of the piston rod of described cylinder move upward, described chain installing plate is driven to rise, pull described chain that described One-way chain wheel, described driving gear and described driving delivery wheel are rotated, described driving gear drives described driven gear and described driven delivery wheel, and copper wire is sent to above described frock cover half by described driving delivery wheel and described driven delivery wheel.After contacting with described switching cylinder above described chain installing plate walks to, the reverse air feed of described cylinder, the piston rod of described cylinder moves downward, described chain return, described One-way chain wheel reversion, due to described One-way chain wheel single-direction transmission, now described driving delivery wheel and driven delivery wheel stop transmission, copper wire stops transmitting, while the piston rod of described cylinder moves downward, described cutter plate is depressed, be combined to described cutter plate with described frock cover half, after copper wire being pressed into regulation shape, described cutter head will cut off, the piston rod of described cylinder moves upward again, described cutter plate lifts and takes out the copper wire after cutting off, repeated work.Described cutter plate and described frock cover half in conjunction with time, described chain installing plate is corresponding with the length of the vertical range between described switching cylinder and required steel wire, can by the size regulating the vertical range between described chain installing plate and described switching cylinder to determine required steel wire.The utility model is developed for fly-cutting soldering copper silk specially, by copper wire shape and length cutting according to the rules, can greatly improve production efficiency, and make brazing material uniform length, stabilize brazing product quality.
accompanying drawing explanation
The following drawings is only intended to schematically illustrate the utility model and explain, does not limit scope of the present utility model.Wherein:
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the side view of the utility model embodiment;
Fig. 3 is the top view of the utility model embodiment;
Fig. 4 is the structural representation of the frock cover half of the utility model embodiment;
Fig. 5 is the structural representation of the guide pad of the utility model embodiment.
In figure: 1-base; 2-fixed support; 21-copper wire sleeve; 3-guide type shoe; 31-directive wheel; 32-guide pad; 33-gathering sill; 41-One-way chain wheel; 42-drives delivery wheel; The driven delivery wheel of 43-; 44-driving gear; 45-driven gear; 5-cutting support; 51-cylinder block; 52-cylinder; 53-switching cylinder; 54-cutter plate; 55-cutter head; 56-frock cover half; 61-chain guide post; 62-chain installing plate; 63-chain; 71-rotating shaft sliding tray; 72-brakes depression bar; 73-presses fulcrum; 74-pull bar; 81-copper wire pilot hole; 82-tooling base; 83-shapes die head; 84-limit shaft; 85-stroke groove; 86-gas port.
Detailed description of the invention
Below in conjunction with drawings and Examples, set forth the utility model further.In the following detailed description, the mode only by illustrating describes some one exemplary embodiment of the present utility model.Undoubtedly, those of ordinary skill in the art can recognize, when not departing from spirit and scope of the present utility model, can revise by various different mode to described embodiment.Therefore, accompanying drawing is illustrative with being described in essence, instead of for limiting the protection domain of claim.
As shown in Figure 1, Figure 2 and Figure 3, the accurate pipe fitting welding copper wire cutting machine of automobile engine, comprise base 1, described base 1 is provided with fixed support 2, and described fixed support 2 is rotatablely equipped with copper wire sleeve 21;
Described base 1 is provided with cutting support 5, cylinder block 51 is provided with above described cutting support 5, cylinder 52 is provided with above described cylinder block 51, the below of described cylinder block 51 is provided with the switching cylinder 53 controlling described cylinder 52, the piston rod of described cylinder 52 is connected with cutter plate 54, be provided with the frock cover half 56 corresponding with described cutter plate 54 below described cutter plate 54, described cutter plate 54 is provided with cutter head 55;
Described base 1 is provided with guide type shoe 3 between described fixed support 2 and described cutting support 5, described guide type shoe 3 is provided with side face and opens reeded directive wheel 31, described guide type shoe 3 is rotatablely equipped with driving shaft, one end of described driving shaft is provided with the One-way chain wheel 41 of one-directional rotation, the other end of described driving shaft is provided with and drives delivery wheel 42, the top of described driving delivery wheel 42 is rotatablely equipped with driven shaft, the driven delivery wheel 43 coordinated with described driving delivery wheel 42 is arranged with outside described driven shaft, described driving shaft is provided with driving gear 44, described driven shaft is provided with the driven gear 45 engaged with described driving gear 44, brake apparatus is provided with between described guide type shoe 3 and described driven shaft,
Described guide type shoe 3 is provided with the chain guide post 61 vertically arranged, on described chain guide post 61, slip cap is equipped with the chain installing plate 62 of horizontally set, one end of described chain installing plate 62 is fixedly attached to the lower end of the piston rod of described cylinder 52, the other end of described chain installing plate 62 is mounted with chain 63, described chain 63 is connected with chain extension spring after walking around described One-way chain wheel 41, described chain extension spring is fixed on described guide type shoe 3, described chain installing plate 62 contacts with described switching cylinder 53 and arranges under the piston rod retracted mode of described cylinder 52.
During use, copper wire volume is enclosed within the described copper wire sleeve 21 on right side, copper wire is walked around successively described directive wheel 31, pass through between described driving delivery wheel 42 and driven delivery wheel 43.When described cylinder 52 air feed makes the retraction of the piston rod of described cylinder 52 move upward, described chain installing plate 62 is driven to rise, pull described chain 63 that described One-way chain wheel 41, described driving gear 44 and described driving delivery wheel 42 are rotated, described driving gear 44 drives described driven gear 45 and described driven delivery wheel 43, and copper wire is sent to above described frock cover half 56 by described driving delivery wheel 42 and described driven delivery wheel 43.After contacting with described switching cylinder 53 above described chain installing plate 62 walks to, described cylinder 52 is air feed oppositely, the piston rod of described cylinder 52 moves downward, described chain 63 return, described One-way chain wheel 41 reverses, due to described One-way chain wheel 41 single-direction transmission, now described driving delivery wheel 42 stops transmission with driven delivery wheel 43, copper wire stops transmitting, while the piston rod of described cylinder 52 moves downward, described cutter plate 54 is depressed, be combined to described cutter plate 54 with described frock cover half 56, after copper wire being pressed into regulation shape, described cutter head 55 will cut off, the piston rod of described cylinder 52 moves upward again, described cutter plate 54 lifts and takes out the copper wire after cutting off, repeated work.Described cutter plate 54 and described frock cover half 56 in conjunction with time, vertical range between described chain installing plate 62 with described switching cylinder 53 and the length of required steel wire corresponding, can by the size regulating the vertical range between described chain installing plate 62 and described switching cylinder 53 to determine required steel wire.The utility model is developed for fly-cutting soldering copper silk specially, by copper wire shape and length cutting according to the rules, can greatly improve production efficiency, and make brazing material uniform length, stabilize brazing product quality.
Described brake apparatus comprises the rotating shaft sliding tray 71 be arranged on described guide type shoe 3, described driven shaft slides and is located in described rotating shaft sliding tray 71, described guide type shoe 3 is provided with and promotes the spring that described driven shaft presses to described driving shaft, is provided with driven shaft lifting device between described driven shaft and described guide type shoe 3.
Described driven shaft lifting device comprises braking depression bar 72, pull bar 74 is provided with in described rotating shaft sliding tray 71, described pull bar 74 one end connects described driven shaft, described pull bar 74 other end stretches out described rotating shaft sliding tray 71 and is sleeved on described braking depression bar 72, the middle part of described braking depression bar 72 be provided with stretch to described guide type shoe 3 press fulcrum 73.Depress described braking depression bar 72, described driven shaft is slided and mentions upward sliding in described rotating shaft sliding tray 71, described driving gear 44 and described driven gear 45 are separately, described driving delivery wheel 42 separates with described driven delivery wheel 43, copper wire stops transmitting, work stops, and can effectively prevent maloperation and waste product from occurring.When unclamping described braking depression bar 72, under the described driven shaft of promotion presses to the restoring force effect of the described spring of described driving shaft, described driven shaft resets, and described driving gear 44 and described driven gear 45 engage again, work on.
Described One-way chain wheel 41 comprises and is set in described driving shaft upper sprocket wheel, and described sprocket wheel inner circumferential side is provided with unidirectional interior ratchet, is provided with resiliency urged sheet between described driving shaft and described unidirectional interior ratchet.Said structure can make described driving delivery wheel 42 one-directional rotation, described One-way chain wheel 41 is known technology for a person skilled in the art, the One-way chain wheel of such as bicycle, concrete structure and the operation principle of the described One-way chain wheel 41 therefore in the present embodiment do not repeat them here.
As shown in Figure 4, described frock cover half 56 comprises tooling base 82, described tooling base 82 is provided with the sizing die head 83 of arc, and described cutter plate 54 is provided with the arc notch with described sizing die head 83 form fit, and said structure can effectively be shaped to copper wire.
The top described tooling base 82 being positioned at described sizing die head 83 is provided with limit shaft 84, is provided with gas port 86 below described limit shaft 84, and position corresponding with described limit shaft 84 on described cutter plate 54 is provided with stroke groove 85.Relatively described guide type shoe 3 side described cutting support 5 is positioned at above described frock cover half 56 is provided with copper wire pilot hole 81.After copper wire passes from described copper wire pilot hole 81, be constrained between described sizing die head 83 and described limit shaft 84, after copper wire is cut-off, described cutter plate 54 lifts, copper wire rises along with described cutter plate 54, is stopped whereabouts, then blow out frock by described gas port 86 in described limit shaft 84 place, fall into described frock cover half 56 side-lower, operation completes.
Described driving delivery wheel 42 and described driven delivery wheel 43 outer peripheral face are respectively equipped with the transmission half groove (not shown) cooperatively interacted, and described transmission half groove is convenient to clamp copper wire and is transmitted.
As shown in Figure 5, described guide type shoe 3 is provided with guide pad 32 between described directive wheel 31 and described driving delivery wheel 42, described guide pad 32 offers gathering sill 33.Pass the gathering sill 33 on described guide pad 32 after copper wire being walked around described directive wheel 31, then pass through between described driving delivery wheel 42 and driven delivery wheel 43, described gathering sill 33 can play well guiding restriction effect.
More than show and describe general principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and description just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.

Claims (9)

1. the accurate pipe fitting welding copper wire cutting machine of automobile engine, comprises base, it is characterized in that: described base is provided with fixed support, described fixed support is rotatablely equipped with copper wire sleeve;
Described base is provided with cutting support, cylinder block is provided with above described cutting support, cylinder is provided with above described cylinder block, the below of described cylinder block is provided with the switching cylinder controlling described cylinder, the piston rod of described cylinder is connected with cutter plate, be provided with the frock cover half corresponding with described cutter plate below described cutter plate, described cutter plate is provided with cutter head;
Described base is provided with guide type shoe between described fixed support and described cutting support, described guide type shoe is provided with side face and opens reeded directive wheel, described guide type shoe is rotatablely equipped with driving shaft, one end of described driving shaft is provided with the One-way chain wheel of one-directional rotation, the other end of described driving shaft is provided with driving delivery wheel, the top of described driving delivery wheel is rotatablely equipped with driven shaft, the driven delivery wheel coordinated with described driving delivery wheel is arranged with outside described driven shaft, described driving shaft is provided with driving gear, described driven shaft is provided with the driven gear engaged with described driving gear, brake apparatus is provided with between described guide type shoe and described driven shaft,
Described guide type shoe is provided with the chain guide post vertically arranged, on described chain guide post, slip cap is equipped with the chain installing plate of horizontally set, one end of described chain installing plate is fixedly attached to the lower end of the piston rod of described cylinder, the other end of described chain installing plate is mounted with chain, described chain is connected with chain extension spring after walking around described One-way chain wheel, described chain extension spring is fixed on described guide type shoe, and described chain installing plate contacts with described switching cylinder and arranges under the piston rod retracted mode of described cylinder.
2. the accurate pipe fitting welding copper wire cutting machine of automobile engine as claimed in claim 1, it is characterized in that: described brake apparatus comprises the rotating shaft sliding tray be arranged on described guide type shoe, described driven shaft slides and is located in described rotating shaft sliding tray, described guide type shoe is provided with and promotes the spring that described driven shaft presses to described driving shaft, is provided with driven shaft lifting device between described driven shaft and described guide type shoe.
3. the accurate pipe fitting welding copper wire cutting machine of automobile engine as claimed in claim 2, it is characterized in that: described driven shaft lifting device comprises braking depression bar, pull bar is provided with in described rotating shaft sliding tray, described pull bar one end connects described driven shaft, the described pull bar other end stretches out described rotating shaft sliding tray and is sleeved on described braking depression bar, the middle part of described braking depression bar be provided with stretch to described guide type shoe press fulcrum.
4. the accurate pipe fitting welding copper wire cutting machine of automobile engine as claimed in claim 1, it is characterized in that: described One-way chain wheel comprises and is set in described driving shaft upper sprocket wheel, described sprocket wheel inner circumferential side is provided with unidirectional interior ratchet, is provided with resiliency urged sheet between described driving shaft and described unidirectional interior ratchet.
5. the accurate pipe fitting welding copper wire cutting machine of automobile engine as claimed in claim 1, it is characterized in that: described frock cover half comprises tooling base, described tooling base is provided with the sizing die head of arc, and described cutter plate is provided with the arc notch mated with described stock mould head shapes.
6. the accurate pipe fitting welding copper wire cutting machine of automobile engine as claimed in claim 5, it is characterized in that: the top described tooling base being positioned at described sizing die head is provided with limit shaft, be provided with gas port below described limit shaft, position corresponding with described limit shaft on described cutter plate is provided with stroke groove.
7. the accurate pipe fitting welding copper wire cutting machine of automobile engine as claimed in claim 5, is characterized in that: the relatively described guide type shoe side described cutting support is positioned at above described frock cover half is provided with copper wire pilot hole.
8. the accurate pipe fitting welding copper wire cutting machine of the automobile engine any one of claim 1 to 7 as described in claim, is characterized in that: described driving delivery wheel and described driven delivery wheel outer peripheral face are respectively equipped with transmission half groove cooperatively interacted.
9. the accurate pipe fitting welding copper wire cutting machine of the automobile engine any one of claim 1 to 7 as described in claim, it is characterized in that: described guide type shoe is provided with guide pad between described directive wheel and described driving delivery wheel, described guide pad offers gathering sill.
CN201420509257.5U 2014-09-04 2014-09-04 The accurate pipe fitting welding copper wire cutting machine of automobile engine Active CN204159798U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420509257.5U CN204159798U (en) 2014-09-04 2014-09-04 The accurate pipe fitting welding copper wire cutting machine of automobile engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420509257.5U CN204159798U (en) 2014-09-04 2014-09-04 The accurate pipe fitting welding copper wire cutting machine of automobile engine

Publications (1)

Publication Number Publication Date
CN204159798U true CN204159798U (en) 2015-02-18

Family

ID=52533526

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420509257.5U Active CN204159798U (en) 2014-09-04 2014-09-04 The accurate pipe fitting welding copper wire cutting machine of automobile engine

Country Status (1)

Country Link
CN (1) CN204159798U (en)

Similar Documents

Publication Publication Date Title
CN201702549U (en) O-type ring pressing-in device
CN104493485B (en) Rolling welder
CN208438794U (en) A kind of intelligence carton forming machine
CN203544427U (en) Automatic tyre wrapping machine
CN203140666U (en) Press for stamping rings
CN204159798U (en) The accurate pipe fitting welding copper wire cutting machine of automobile engine
CN203371908U (en) Platen automatic die cutting gold stamping machine mobile platform auxiliary returning device
CN103419246A (en) Manual perforating machine
CN108526271A (en) A kind of decompressor
CN105215203B (en) Hole flanging processing technology and its mould inside and outside a kind of high precision part synchronization
CN201644702U (en) Punch rivet pressure mould
CN204263260U (en) Sports Goods Production die-cutting apparatus
CN105436287B (en) The grading blanking die of double-sheet
CN204772772U (en) Motor light cover cut -out press
CN202053707U (en) Sign pressing device for tile cutting machine
CN108723278A (en) A kind of riveting machine
CN204842681U (en) Novel cylinder class pipe fitting side opening turn -ups mould
CN204035264U (en) A kind of bend pipe rushes control equipment automatically
CN206882493U (en) A kind of reciprocal punching press shaping equipment of multi-work piece
CN206230444U (en) A kind of auto-stitching measurement apparatus
CN203158297U (en) Mold with pressurizing connecting-rod structure
CN105598267A (en) Stator coil shaping and cutting method and stator coil shaping and cutting all-in-one machine
CN205183539U (en) Press die stop device
CN204603018U (en) Speaker frame shaped device
CN203437494U (en) Double-oil-cylinder hub feed head punching machine

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee
CP01 Change in the name or title of a patent holder

Address after: Shandong city of Weifang Province on Lake Road 261500 Gaomi City high tech Industrial Development Zone No. 5999

Patentee after: Jin Yonghe Seiko manufacturing Limited by Share Ltd

Address before: Shandong city of Weifang Province on Lake Road 261500 Gaomi City high tech Industrial Development Zone No. 5999

Patentee before: Shandong Yonghe Precision Metals Co., Ltd.