CN203282120U - Novel automobile auxiliary frame cross member welding tool combining inner pressing and side pressing - Google Patents
Novel automobile auxiliary frame cross member welding tool combining inner pressing and side pressing Download PDFInfo
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- CN203282120U CN203282120U CN201320363087XU CN201320363087U CN203282120U CN 203282120 U CN203282120 U CN 203282120U CN 201320363087X U CN201320363087X U CN 201320363087XU CN 201320363087 U CN201320363087 U CN 201320363087U CN 203282120 U CN203282120 U CN 203282120U
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Abstract
The utility model provides a novel automobile auxiliary frame cross member welding tool combining inner pressing and side pressing. The novel automobile auxiliary frame cross member welding tool combining the inner pressing and the side pressing aims to solve the problems that due to the fact that an existing automobile auxiliary frame cross member which is thin in plate thickness and large in length is poor in welding matching, welding quality is poor, and welding clearances are large. The tool comprises a base, wherein an inner pressing mechanism and a side pressing mechanism are arranged on the base, the inner pressing mechanism is provided with pressing members which stretch between two lower sheets of a cross member and can press the two lower sheets from the inner sides tightly, and the side pressing mechanism is provided with pressing members which are located on the outer sides of the two lower sheets and can press the two lower sheets from the outer sides tightly. According to the novel automobile auxiliary frame cross member welding tool combining the inner pressing and the side pressing, the inner pressing mechanism is arranged to press the lower sheets tightly instead of the previous facts that upper sheets are tightly pressed directly, and then pressure is transmitted to the lower sheets through the upper sheets, and therefore the problems that due to the fact that a product is long, a stamped part is of a shape like an outer Chinese character eight, the matching effect is not good, and welding quality is poor are no loner troubled. Through the fact that the side pressing mechanism is arranged in the middle of the cross member, the welding clearance is better ensured.
Description
Technical field
The utility model relates to auto-parts welding correlative technology field, specifically, relates to the automobile accessory frame beam welding frock that a kind of Novel internal pressure and side pressure combine.
Background technology
The automobile bottom diskware adopts Welding Structure mostly now, and it was compared with the chassis member that adopted casting or forge in the past, can be fine play the effect of falling this, but meanwhile the technique of welding is had higher requirement again.
In automobile bottom diskware product, a kind of crossbeam of subframe is arranged now, its feature is that thickness of slab is less, usually only has several millimeters, and minimum only have 2mm, and its length can be over 1000 millimeters.Main body of cross-beam is comprised of fluctuating plate, 2 stiffeners and 4 bolt reinforcing sleeves usually, and the process program of its product is first with sheet seam under 2 stiffeners and 4 bolt reinforcing sleeves and crossbeam, then with the seam of crossbeam fluctuating plate.Under 2 stiffeners of seam and 4 bolt reinforcing sleeves and crossbeam, sheet does not have technological difficulties, but seam crossbeam fluctuating plate will guarantee that crossbeam is indeformable difficult.
Because above-mentioned crossbeam is long, be easy to make the fluctuating plate stamping parts to there will be the outer Eight characters, cooperation may not be fine, and then can cause welding quality bad, welded gaps is larger.
The utility model content
The utility model coordinates poor in order to solve the existing automobile accessory frame crossbeam that thickness of slab is less, length is larger in welding, and then can cause welding quality bad, the larger problem of welded gaps, the automobile accessory frame beam welding frock that provides a kind of Novel internal pressure and side pressure to combine.
The technical problem of the required solution of the utility model can be achieved through the following technical solutions:
The automobile accessory frame beam welding frock that a kind of Novel internal pressure and side pressure combine, comprise base, it is characterized in that: described base is provided with interior press mechanism and lateral pressing structure of shoe, described interior press mechanism is provided with that stretch into can be from the compressing member of twice sheets of interior side compression between twice sheets of automobile accessory frame crossbeam, described lateral pressing structure of shoe be provided be positioned at described twice sheets outside can be from the compressing member of twice sheets of outer side compression.
In the utility model, described interior press mechanism comprises the mount pad fixing with described base, described mount pad is provided with the driving cylinder, the compressing member of described interior press mechanism is two paws, the piston rod that drives cylinder connects a cylinder connecting rod, on the coaxial connecting pin that is connected on the cylinder connecting rod of the rotating shaft end of two paws, the free end of two paws under the drive that drives cylinder from twice sheets of interior side compression or unclamp sheet twice.
Described mount pad comprises one with the fixing horizontal installing plate of base and is arranged on two vertical installing plates on described horizontal installing plate, described driving cylinder is arranged on the lower surface of described horizontal installing plate, horizontal installing plate is provided with the through hole that passes for driving cylinder piston rod, be provided with a paw guide finger between two vertical installing plates, establish the oblique slot of suit paw guide finger on two paws, the free end of two paws struts relatively when piston rod moves downward, relatively tighten up when piston rod moves upward.
The free end of described two paws is the hook shape, and twice sheets of two paw free ends and crossbeam are vertical planar the contact,, to increase contact area, is convenient to paw from twice sheets of interior side compression.
in the utility model, described lateral pressing structure of shoe comprises the mount pad fixing with described base, described mount pad is provided with the driving cylinder, the compressing member of described lateral pressing structure of shoe is two clamping arms along described crossbeam length direction extension, the piston rod that drives cylinder connects a cylinder connecting rod, be respectively equipped with the compression armed lever of vertical clamping arm on two clamping arms, two compress between armed lever the clamping arm fixed bar that is provided with connection two compression armed levers and the clamping arm connecting rods that connect respectively two compression armed levers and cylinder connecting rod, described cylinder connecting rod, two compress armed lever, clamping arm fixed bar and two clamping arm connecting rods form five bar linkage structures, two clamping arms under the drive that drives cylinder from twice sheets of outer side compression or unclamp sheet twice.
Described mount pad comprises a L-shaped installing plate, described driving cylinder is arranged on the lower surface of described L shaped installing plate horizontal component, L shaped installing plate horizontal component is provided with the through hole that passes for driving cylinder piston rod, L shaped installing plate vertical portion is provided with a horizontal installing plate, described horizontal installing plate and base are fixed, two clamping arms tighten up relatively when piston rod moves downward, relatively strut when piston rod moves upward.
Be provided with the compression adjustment block between described cylinder connecting rod and clamping arm fixed bar, to regulate the compression degree of clamping arm to sheet under crossbeam.
The inboard of described clamping arm is provided with adjustable compact heap, so that adjust the compacted position to sheet under crossbeam, excessive or compacted position is improper due to thrust to avoid under crossbeam sheet, and cause crossbeam fluctuating plate welding deformation.
The length of described clamping arm is identical or different, with sheet under the crossbeam that adapts to different structure.
4 fixed 1 planes are got at the utility model sheet two ends under the automobile accessory frame crossbeam, 2 adjustable strong points are set in the middle of sheet simultaneously under crossbeam, corresponding with these 2 adjustable strong points, be provided with between these 21 interior hold-down mechanism compress under sheet, and directly compress upper slice unlike the past, then by upper slice, pressure is passed to lower.
Do not worry simultaneously because product is long, worry that the fluctuating plate stamping parts there will be the outer Eight characters, fiting effect is bad, causes welding quality bad, by be provided with a lateral surface compressing mechanism in the middle of crossbeam, thereby guarantees better welded gaps.
The utility model also possesses following advantage simultaneously:
1. the interior press mechanism of this welding tooling use is by realizing at pressing plate side oblique slot of processing.When compressing, 2 paws outwards strut when moving downward, thereby realize compressing; When unclamping, 2 paws shrank inward in the while that moves upward, thereby product is taken out smoothly.
2. interior press mechanism can realize stretching into interiors of products, and directly pressuring action, in lower, has been avoided compressing upper slice, then thrust is passed to lower, has reduced thrust, has improved the welding deformation of product.
3. the side direction of welding tooling of the present utility model compresses by 15 linkage and realizes, this side direction hold-down mechanism can well make up the deficiency of stamping parts stamping quality.
4. the side direction hold-down mechanism also is furnished with adjustment block, and this adjustment block can limit the compacted position of lateral pressing structure of shoe, when fluctuating plate can guarantee good welded gaps, and can be because pressure is excessive or improper the causing of compacted position compresses distortion.
Description of drawings
Further illustrate the utility model below in conjunction with the drawings and specific embodiments.
Fig. 1 is the structural representation of the utility model chassis cross-member welding tooling duty.
Fig. 2 is the structural representation of the depression angle of Fig. 1.
Fig. 3 is the structural representation of the hiding chassis cross-member of Fig. 2.
Fig. 4 is the structural representation of press mechanism in the utility model.
Fig. 5 is the structural representation that Fig. 4 hides mount pad.
Fig. 6 is the structural representation of the utility model lateral pressing structure of shoe.
Fig. 7 is Fig. 6 rear structure schematic diagram.
The specific embodiment
In order to make technological means of the present utility model, creation characteristic, reach purpose and effect is easy to understand,, below in conjunction with concrete diagram, further set forth the utility model.
Purport of the present utility model is, by the analysis of the automobile accessory frame crossbeam less to thickness of slab, that length is larger in the welding procedure demand, find to adopt existing chassis cross-member welding tooling, exist welding to coordinate poor, and then can cause welding quality bad, the larger problem of welded gaps, provide automobile accessory frame beam welding frock that a kind of Novel internal pressure and side pressure combine to address the above problem by the utility model.
Referring to Fig. 1 to Fig. 3, the automobile accessory frame beam welding frock that the utility model Novel internal pressure and side pressure combine comprises a base 1, base 1 is the basis of whole frock, the automobile accessory frame crossbeam to be carried out the platform of welding operation, but the impact that base 1 itself is completed the chassis cross-member welding for the utility model frock is little, and any type of base all is applicable to frock of the present utility model.
In the utility model, base 1 has adopted the frame structure of rectangle, set up a horizontal floor installation plate 11 between two long limits of rectangular frame, in the present embodiment, floor installation plate 11 is used for installing frock of the present utility model, in addition, four jiaos of base 1 rectangular frame hook rings that also are provided with the base 1 of being convenient to sling.
For the welding of automobile accessory frame crossbeam 2, its main difficulty is under crossbeam upper slice 21 and two crossbeams that under the welding between sheet 22, especially crossbeam upper slice 21 and crossbeam, sheet 22 thicknesss of slab are less, and length is when larger.In order to realize the welding operation to the above-mentioned type crossbeam, frock of the present utility model is provided with an interior press mechanism 3 and a lateral pressing structure of shoe 4 simultaneously, interior press mechanism 3 and lateral pressing structure of shoe 4 all are fixedly mounted on base 1, certain this installation can be the installation of detachability, so that internal press mechanism 3 and lateral pressing structure of shoe 4 are safeguarded.
No matter be interior press mechanism 3 or lateral pressing structure of shoe 4, all by mount pad, realize being fixed on base 1, once will set forth respectively for interior press mechanism 3 and lateral pressing structure of shoe.In conjunction with Fig. 1 to Fig. 3, and referring to Fig. 4 and Fig. 5, in present embodiment, in base 1 is fixing, press mechanism 3 and lateral pressing structure of shoe 4 are the horizontally disposed floor installation plates 11 that adopt, the mount pad of interior press mechanism 3 has carried out adaptive setting, still be provided with through hole 12 on floor installation plate 11 simultaneously, for interior press mechanism 3 and lateral pressing structure of shoe 4, pass.
In present embodiment, the mount pad of interior press mechanism 3 comprise one with the fixing horizontal installing plate 31 of floor installation plate 11, the lower surface of horizontal installing plate 31 is installed and is driven cylinder 33, horizontal installing plate 31 is provided with the through hole 311 that passes for driving cylinder piston rod 331.Interior press mechanism 3 has adopted two paws 34 as compressing member, two paws 34 stretch between twice sheets 22 of crossbeam, the piston rod 331 that drives cylinder 33 connects a cylinder connecting rod 35, on the coaxial connecting pin 351 that is connected on cylinder connecting rod 35 of the rotating shaft end of two paws 34, the free end of two paws 34 under the drive that drives cylinder 33 from twice sheets 22 of interior side compression or unclamp sheet 22 twice.
In order to optimize said structure, horizontal installing plate 31 is provided with two vertical installing plates 32, be provided with a paw guide finger 36 between two vertical installing plates 32, establish the oblique slot 341 of suit paw guide finger 36 on two paws 34, namely the free end of two paws 34 relatively struts and compresses sheet 22 twice when piston rod 331 moves downward, and relatively tightens up when piston rod 331 moves upward and unclamps sheet 22 twice.In addition, the free end of two paws 34 is the hook shape, and twice sheets 22 of two paw 34 free ends and crossbeam are vertical planar the contact,, to increase contact area, is convenient to paw 34 from twice sheets 22 of interior side compression.
Be understandable that, interior press mechanism 3 in present embodiment is a kind of more excellent embodiments, and not to the restriction of press mechanism in the utility model, for example, in present embodiment, press mechanism 3 mount pads are in order to coordinate floor installation plate 11 just to adopt said structure, when the structure of press mechanism 3 changed within base 1 is used for installing, the mount pad of interior press mechanism 3 also should be adjusted accordingly; Adopting in present embodiment the embodiment of paw as compressing member of interior press mechanism 3, obviously also can adopt other to stretch under crossbeam between sheet 22, and various embodiments all should be in the scope that the utility model is asked for protection.
In conjunction with Fig. 1 to Fig. 3, and referring to Fig. 6 and Fig. 7, in present embodiment, lateral pressing structure of shoe 4 is similar with interior press mechanism 3, and lateral pressing structure of shoe 4 needs mount pad to realize being fixed on base 1 equally.In order to coordinate present embodiment floor installation plate 11, the mount pad of lateral pressing structure of shoe 4 comprises a L-shaped installing plate 41, the lower surface of L shaped installing plate 41 horizontal components is installed and is driven cylinder 42, L shaped installing plate 41 horizontal components are provided with the through hole 411 that passes for driving cylinder 42 piston rods 421, L shaped installing plate 41 vertical portions are provided with a horizontal installing plate 43, and horizontal installing plate 43 is fixed with floor installation plate 11.
lateral pressing structure of shoe 4 adopts two clamping arms 44 along the extension of crossbeam length direction as compressing member, the piston rod 421 that drives cylinder 42 connects a cylinder connecting rod 45, be respectively equipped with the compression armed lever 441 of vertical clamping arm on two clamping arms 44, the two clamping arm connecting rods 47 that compress between armed lever 441 the clamping arm fixed bar 46 that is provided with connection two compression armed levers 441 and connect respectively two compression armed levers 44 and cylinder connecting rod 45, cylinder connecting rod 45, two compress armed lever 441, clamping arm fixed bar 46 and two clamping arm connecting rods 47 form five bar linkage structures, two clamping arms 44 under the drive that drives cylinder 42 from sheet 22 under outer side compression two crossbeams or unclamp sheet 22 under two crossbeams, specifically, namely two clamping arms 44 relatively tighten up and compress sheet 22 under two crossbeams when piston rod 421 moves downward, relatively strut when piston rod 421 moves upward and unclamp sheet 22 under two crossbeams.
In order both to play the effect that compresses fluctuating plate, do not allow again simultaneously fluctuating plate excessive or compacted position is improper due to thrust, and cause the fluctuating plate welding deformation, be provided with between cylinder connecting rod 45 and clamping arm fixed bar 46 and compress adjustment block 48, compress adjustment block 48 larger, under 44 pairs of crossbeams of clamping arm, the compression degree of sheet 22 is less.
In addition, the inboard of clamping arm 44 can also arrange adjustable compact heap 49, so that adjust the compacted position to sheet under crossbeam 22, excessive or compacted position is improper due to thrust to avoid under crossbeam sheet 22, and cause crossbeam fluctuating plate 22 welding deformations.The length of pressing two tight arms 44 can be identical can be also difference, with sheet 22 under the crossbeam that adapts to different structure, the length of two clamping arms 44 of present embodiment is not identical.
Identical with interior press mechanism 3 is, lateral pressing structure of shoe 4 in present embodiment is only also a kind of more excellent embodiment, and not to the restriction of the utility model lateral pressing structure of shoe, for example, present embodiment lateral pressing structure of shoe 4 mount pads are in order to coordinate floor installation plate 11 just to adopt said structure, when the structure that is used for installation side press mechanism 4 when base 1 changed, the mount pad of lateral pressing structure of shoe 4 also should be adjusted accordingly; Adopting in present embodiment the embodiment of clamping arm as compressing member of lateral pressing structure of shoe 4, obviously also can adopt other can be from twice sheet 22 compressing members of outer side compression, and various embodiments all should be in the scope that the utility model is asked for protection.
The interior press mechanism that the utility model automobile accessory frame beam welding frock is used is by realizing at pressing plate side oblique slot of processing.When compressing, 2 paws outwards strut when moving downward, thereby realize compressing; When unclamping, 2 paws shrank inward in the while that moves upward, thereby product is taken out smoothly.
Interior press mechanism can realize stretching into interiors of products, and directly pressuring action, in lower, has been avoided compressing upper slice, then thrust is passed to lower, has reduced thrust, has improved the welding deformation of product.
The side direction of automobile accessory frame beam welding frock of the present utility model compresses by 15 linkage and realizes, this side direction hold-down mechanism can well make up the deficiency of stamping parts stamping quality.
The side direction hold-down mechanism also is furnished with adjustment block, and this adjustment block can limit the compacted position of lateral pressing structure of shoe, when fluctuating plate can guarantee good welded gaps, and can be because pressure is excessive or improper the causing of compacted position compresses distortion.
Below only with regard to the utility model preferred embodiment, be described, but can not be interpreted as it is limitations on claims.The utility model not only is confined to above embodiment, and its concrete structure allows to change.In a word, all various variations of doing in the protection domain of the utility model independent claims are all in protection domain of the present utility model.
Claims (9)
1. the automobile accessory frame beam welding frock that combines of Novel internal pressure and side pressure, comprise base, it is characterized in that: described base is provided with interior press mechanism and lateral pressing structure of shoe, described interior press mechanism is provided with that stretch into can be from the compressing member of twice sheets of interior side compression between twice sheets of automobile accessory frame crossbeam, described lateral pressing structure of shoe be provided be positioned at described twice sheets outside can be from the compressing member of twice sheets of outer side compression.
2. the automobile accessory frame beam welding frock that combines of Novel internal pressure according to claim 1 and side pressure, it is characterized in that: described interior press mechanism comprises the mount pad fixing with described base, described mount pad is provided with the driving cylinder, the compressing member of described interior press mechanism is two paws, the piston rod that drives cylinder connects a cylinder connecting rod, on the coaxial connecting pin that is connected on the cylinder connecting rod of the rotating shaft end of two paws, the free end of two paws under the drive that drives cylinder from twice sheets of interior side compression or unclamp sheet twice.
3. the automobile accessory frame beam welding frock that combines of Novel internal pressure according to claim 2 and side pressure, it is characterized in that: described mount pad comprises one with the fixing horizontal installing plate of base and is arranged on two vertical installing plates on described horizontal installing plate, described driving cylinder is arranged on the lower surface of described horizontal installing plate, horizontal installing plate is provided with the through hole that passes for driving cylinder piston rod, be provided with a paw guide finger between two vertical installing plates, establish the oblique slot of suit paw guide finger on two paws, the free end of two paws struts relatively when piston rod moves downward, when moving upward, relatively tightens up in piston rod.
4. the automobile accessory frame beam welding frock that combines of according to claim 2 or 3 described Novel internal pressures and side pressure, it is characterized in that: the free end of described two paws is the hook shape, and twice sheets of two paw free ends and crossbeam are vertical planar the contact.
5. the automobile accessory frame beam welding frock that combines of Novel internal pressure according to claim 1 and side pressure, it is characterized in that: described lateral pressing structure of shoe comprises the mount pad fixing with described base, described mount pad is provided with the driving cylinder, the compressing member of described lateral pressing structure of shoe is two clamping arms along described crossbeam length direction extension, the piston rod that drives cylinder connects a cylinder connecting rod, be respectively equipped with the compression armed lever of vertical clamping arm on two clamping arms, two compress between armed lever the clamping arm fixed bar that is provided with connection two compression armed levers and the clamping arm connecting rods that connect respectively two compression armed levers and cylinder connecting rod, described cylinder connecting rod, two compress armed lever, clamping arm fixed bar and two clamping arm connecting rods form five bar linkage structures, two clamping arms under the drive that drives cylinder from twice sheets of outer side compression or unclamp sheet twice.
6. the automobile accessory frame beam welding frock that combines of Novel internal pressure according to claim 5 and side pressure, it is characterized in that: described mount pad comprises a L-shaped installing plate, described driving cylinder is arranged on the lower surface of described L shaped installing plate horizontal component, L shaped installing plate horizontal component is provided with the through hole that passes for driving cylinder piston rod, L shaped installing plate vertical portion is provided with a horizontal installing plate, described horizontal installing plate and base are fixed, two clamping arms tighten up relatively when piston rod moves downward, relatively strut when piston rod moves upward.
7. the automobile accessory frame beam welding frock that combines of according to claim 5 or 6 described Novel internal pressures and side pressure, is characterized in that: be provided with the compression adjustment block between described cylinder connecting rod and clamping arm fixed bar.
8. the automobile accessory frame beam welding frock that combines of according to claim 5 or 6 described Novel internal pressures and side pressure, it is characterized in that: the inboard of described clamping arm is provided with adjustable compact heap.
9. the automobile accessory frame beam welding frock that combines of Novel internal pressure according to claim 8 and side pressure, it is characterized in that: the length of described clamping arm is identical or different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320363087XU CN203282120U (en) | 2013-06-24 | 2013-06-24 | Novel automobile auxiliary frame cross member welding tool combining inner pressing and side pressing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320363087XU CN203282120U (en) | 2013-06-24 | 2013-06-24 | Novel automobile auxiliary frame cross member welding tool combining inner pressing and side pressing |
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| Publication Number | Publication Date |
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| CN203282120U true CN203282120U (en) | 2013-11-13 |
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| CN201320363087XU Expired - Lifetime CN203282120U (en) | 2013-06-24 | 2013-06-24 | Novel automobile auxiliary frame cross member welding tool combining inner pressing and side pressing |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110271028A (en) * | 2019-06-25 | 2019-09-24 | 雅柯斯电力科技（中国）有限公司 | Flexible welding robot fuel tank chassis tool structure |
| CN112692460A (en) * | 2020-09-30 | 2021-04-23 | 重庆至信实业集团有限公司 | Machining process and device for front roof plate assembly |
| CN113732596A (en) * | 2021-08-25 | 2021-12-03 | 达奥（芜湖）汽车制品有限公司 | Welding fixture for rear frame rear cross beam combination of automobile |
-
2013
- 2013-06-24 CN CN201320363087XU patent/CN203282120U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110271028A (en) * | 2019-06-25 | 2019-09-24 | 雅柯斯电力科技（中国）有限公司 | Flexible welding robot fuel tank chassis tool structure |
| CN110271028B (en) * | 2019-06-25 | 2024-03-29 | 雅柯斯电力科技（中国）有限公司 | Flexible welding robot oil tank chassis tool structure |
| CN112692460A (en) * | 2020-09-30 | 2021-04-23 | 重庆至信实业集团有限公司 | Machining process and device for front roof plate assembly |
| CN113732596A (en) * | 2021-08-25 | 2021-12-03 | 达奥（芜湖）汽车制品有限公司 | Welding fixture for rear frame rear cross beam combination of automobile |
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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 |
Owner name: NINGBO HUIZHONG AUTOMOTIVE AXLE MANUFACTURING CO., Free format text: FORMER NAME: NINGBO YUEJIN AUTOMOBILE FRONT AXLE CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: Tonghui road Jiangbei District 315033 Zhejiang city of Ningbo province No. 366 Patentee after: NINGBO HUIZHONG AUTOMOTIVE CHASSIS MANUFACTURING Co.,Ltd. Address before: 315021, No. 286, North Ring Road, Jiangbei District, Zhejiang, Ningbo Patentee before: NINGBO YUEJIN AUTOMOBILE FRONT AXLE Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131113 |