CN208528408U - Stringer assembly welding clamp - Google Patents
Stringer assembly welding clamp Download PDFInfo
- Publication number
- CN208528408U CN208528408U CN201821025190.2U CN201821025190U CN208528408U CN 208528408 U CN208528408 U CN 208528408U CN 201821025190 U CN201821025190 U CN 201821025190U CN 208528408 U CN208528408 U CN 208528408U
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- CN
- China
- Prior art keywords
- fulcrum bearing
- positioning pin
- hold
- down mechanism
- chock
- 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.)
- Expired - Fee Related
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- 238000003466 welding Methods 0.000 title claims abstract description 26
- 238000009434 installation Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000012797 qualification Methods 0.000 abstract description 3
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- Butt Welding And Welding Of Specific Article (AREA)
- Resistance Welding (AREA)
Abstract
The utility model discloses a kind of stringer assembly welding clamps, including fulcrum bearing, the first hold-down mechanism is fixed on rear side of the fulcrum bearing, second hold-down mechanism, third hold-down mechanism and the 4th hold-down mechanism, Auxiliary support is equipped at the middle part of the fulcrum bearing, master positioning pin and secondary positioning pin are also respectively provided in the middle part of the fulcrum bearing, wherein the master positioning pin is fixedly arranged on the right side of fulcrum bearing, the pair positioning pin is set to the left side of fulcrum bearing, and the pair positioning pin is connected with the piston rod of secondary positioning cylinder, the lower section that the pair positioning cylinder is used to drive secondary positioning pin to go up and down and be fixedly connected on the fulcrum bearing, the chock mechanism for being limited to stringer upper and lower plates is provided on front side of the fulcrum bearing.Its remarkable result is: structure is simple, easy to use, and manufacturing cost is low, and welding precision is high, and the qualification rate of product greatly improves.
Description
Technical field
The utility model relates to arrive automobile longitudinal girder production technical field, specifically, being a kind of stringer assembly welding clamp.
Background technique
Vehicle frame is most important load bearing component in automobile, and longitudinal beam is one of key part therein, so vertical
Beam plays the role of important carrying on automobile, and straight frame, central frame of automobile etc. contain stringer.Stringer is usual
It is stamped to form with low alloy steel plate, section configuration is generally groove profile, and also some is made into Z-shaped or box equal section form.
Currently, automobile longitudinal girder welding production line generally takes left and right front longitudinal beam unit fixture separately to develop, arrange that this makes
2 sleeve clamps are at least developed in the welding of left and right stringer assembly, 2 welding posts need to be arranged in and be both needed to increase corresponding welding set
Standby, not only structure is complicated, equipment input cost is big, but also influences production efficiency.In addition, stringer is irregular shaped piece, such as
Shown in Fig. 1, using traditional welding fixture cannot the upper and lower plates to stringer be effectively fixed, welding when be easy to appear
Displacement, so that the product quality after welding cannot be guaranteed.
Summary of the invention
In view of the deficiencies of the prior art, the purpose of the utility model is to provide a kind of structures to be simple and convenient to operate, put at
The high stringer assembly welding clamp of product qualification rate after this low, convenient for safeguarding and welding.
In order to achieve the above objectives, the technical solution adopted in the utility model is as follows:
A kind of stringer assembly welding clamp, key are: including fulcrum bearing, the fulcrum bearing rear side from right to left
It is successively fixed with the first hold-down mechanism, the second hold-down mechanism, third hold-down mechanism and the 4th hold-down mechanism, in the fulcrum bearing
Middle part is equipped with and matches respectively with first hold-down mechanism, the second hold-down mechanism, third hold-down mechanism with the 4th hold-down mechanism
Auxiliary support, master positioning pin and secondary positioning pin are also respectively provided in the middle part of the fulcrum bearing, wherein the master positioning pin
It is fixedly arranged on the right side of fulcrum bearing, the pair positioning pin is set to the left side of fulcrum bearing, and the work of the pair positioning pin and secondary positioning cylinder
Stopper rod is connected, the lower section that the pair positioning cylinder is used to drive secondary positioning pin to go up and down and be fixedly connected on the fulcrum bearing,
The chock mechanism for being limited to stringer upper and lower plates, and the chock mechanism and the pair are provided on front side of the fulcrum bearing
The installation site of positioning pin is adapted.
Further, the chock mechanism includes the chock cylinder being fixed in the fulcrum bearing by cylinder mounting base,
Column plug is connected on the piston rod of the chock cylinder, which is arranged towards the secondary positioning pin, in the column plug
Lower section is provided with supporting block.
Further, support frame, the chock are further fixed in the fulcrum bearing between the chock cylinder and column plug
The piston rod of cylinder is arranged in support frame as described above, and is also installed respectively beyond the Great Wall in the column of chock cylinder piston rod two sides
There is a guide rod, and the guide rod is arranged in the pilot hole opened up on support frame as described above.
By the chock mechanism of above structure, the circular hole that can be formed between the upper and lower plates to stringer assembly is limited, from
And improve the positioning accuracy of stringer assembly.
Further, at least one auxiliary positioning pin is additionally provided in the middle part of the fulcrum bearing, which leans on
The nearly master positioning pin setting.
By the multiple location mechanism of master positioning pin, secondary positioning pin and auxiliary positioning pin, enable stringer assembly by
Good location helps to improve welding quality.
Further, the fulcrum bearing includes support plate, supporting frame and cushion block, and the support plate is fixed on the supporting frame
Top, the cushion block is installed in the quadrangle of the bearing frame bottom.
Using the above structure, so that the structure of fulcrum bearing is simple, weight is small, not only reduces consumptive material, reduce manufacture at
This, and convenient for transfer, install and use and later maintenance.
Further, offered on the support plate it is multiple remove repeated hole, to mitigate clamp weight, be easy to use.
The remarkable result of the utility model is: structure is simple, easy to use, and manufacturing cost is low, and passes through multiple compressions
Organic cooperation of mechanism and positioning mechanism, it can be ensured that stringer assembly is not in displacement in the welding process, and welding precision is high,
The qualification rate of product greatly improves.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the stringer assembly；
Fig. 2 is the structural schematic diagram of the utility model；
Fig. 3 is the main view of the utility model；
Fig. 4 is the right view of the utility model；
Fig. 5 is the top view of the utility model；
Fig. 6 is the machining state figure of the utility model.
Specific embodiment
Specific embodiment of the present utility model and working principle are described in further detail with reference to the accompanying drawing.
As shown in Fig. 2~Fig. 5, a kind of stringer assembly welding clamp, including fulcrum bearing 1, the fulcrum bearing 1 rear side from
It is right to be successively fixed with the first hold-down mechanism 2, the second hold-down mechanism 3, third hold-down mechanism 4 and the 4th hold-down mechanism 5 to a left side, in institute
State fulcrum bearing 1 middle part be equipped with respectively with first hold-down mechanism 2, the second hold-down mechanism 3, third hold-down mechanism 4 and the 4th
The Auxiliary support 6 that hold-down mechanism 5 matches is also respectively provided with master positioning pin 7 and secondary positioning pin at the middle part of the fulcrum bearing 1
8, wherein the master positioning pin 7 is fixedly arranged on the right side of fulcrum bearing 1, the pair positioning pin 8 is set to the left side of fulcrum bearing 1, and the pair
Positioning pin 8 is connected with the piston rod of secondary positioning cylinder 9, and the pair positioning cylinder 9 is for driving secondary positioning pin 8 to go up and down and fix
It is connected to the lower section of the fulcrum bearing 1, the front side of the fulcrum bearing 1 is provided with the plug for being limited to stringer upper and lower plates
Block mechanism 10, and the chock mechanism 10 and the installation site of the secondary positioning pin 8 are adapted.
As shown in Fig. 2, the chock mechanism 10 includes the plug being fixed in the fulcrum bearing 1 by cylinder mounting base 10a
Block cylinder 10b is connected with column plug 10c on the piston rod of chock cylinder 10b, and the column plug 10c is towards the secondary positioning pin 8
Setting, is provided with supporting block 10d below the column plug 10c.
In order to further ensure the stability of column plug 10c sliding, in the chock cylinder 10b and column plug 10c
Between fulcrum bearing 1 on be further fixed on support frame 10e, the piston rod of the chock cylinder 10b is arranged in support frame as described above 10e
It is interior, and it is also separately installed with a guide rod 10f on the column plug 10c of chock cylinder 10b piston rod two sides, and described
Guide rod 10f is arranged in the pilot hole opened up on support frame as described above 10e.
In order to promote positioning accuracy in this example, at least one auxiliary positioning pin is additionally provided at the middle part of the fulcrum bearing 1
11, which is arranged close to the master positioning pin 7.
Preferably, the fulcrum bearing 1 includes that support plate 1a, supporting frame 1b and cushion block 1c, the support plate 1a are fixed on institute
The top for stating supporting frame 1b is installed the cushion block 1c in the quadrangle of the bottom the supporting frame 1b, is offered on the support plate 1a
It is multiple to remove repeated hole 1d.
In this example, first hold-down mechanism 2, the second hold-down mechanism 3, third hold-down mechanism 4 and the 4th hold-down mechanism 5
Structure is almost the same, is only to be adaptively adjusted at pressure head position for the impetus on stringer assembly, therefore to each pressure
The structure of tight mechanism is not described one by one, is only illustrated by taking the 4th hold-down mechanism 5 as an example:
4th hold-down mechanism 5 includes the erection support 51 that is fixed in the fulcrum bearing 1, on the erection support 51
Connecting rod 52 is installed, the rear end of the connecting plate 52 is hinged with compression cylinder 53, and the upper end of the connecting plate 52 passes through link block
To the middle part for compressing bracket 55, the rear end of the compression bracket 55 is connected with the piston rod of the compression cylinder 53 for 54 rotation connections
It connects, the end for compressing bracket 55 is connected with pressure head 56.
Referring to attached drawing 6, stringer assembly is placed in fulcrum bearing 1 by when production, and passes through master positioning pin 7, secondary positioning pin 8, auxiliary
It helps positioning pin 11 to position it, wherein secondary positioning pin 8 is driven by secondary positioning cylinder 9 and stretched out, chock is driven after the completion of positioning
Column plug 10c is protruded into the round hole of stringer assembly left end and is limited by cylinder 10b, finally controls first hold-down mechanism
2, stringer assembly is fixed by the second hold-down mechanism 3, third hold-down mechanism 4 with the 4th hold-down mechanism 5, can be carried out welding and be added
Work.
Claims (6)
1. a kind of stringer assembly welding clamp, it is characterised in that: including fulcrum bearing (1), the fulcrum bearing (1) rear side from the right side
The first hold-down mechanism (2), the second hold-down mechanism (3), third hold-down mechanism (4) and the 4th hold-down mechanism are successively fixed with to a left side
(5), the middle part of the fulcrum bearing (1) be equipped with respectively with first hold-down mechanism (2), the second hold-down mechanism (3), third pressure
The Auxiliary support (6) that tight mechanism (4) is matched with the 4th hold-down mechanism (5), is also respectively set at the middle part of the fulcrum bearing (1)
There are master positioning pin (7) and secondary positioning pin (8), wherein the master positioning pin (7) is fixedly arranged on the right side of fulcrum bearing (1), it is described secondary fixed
Position pin (8) is set to the left side of fulcrum bearing (1), and the pair positioning pin (8) is connected with the piston rod of secondary positioning cylinder (9), described
Secondary positioning cylinder (9) is used to that secondary positioning pin (8) to be driven to go up and down and is fixedly connected on the lower section of the fulcrum bearing (1), in the branch
Hold the chock mechanism (10) being provided on front side of seat (1) for being limited to stringer upper and lower plates, and the chock mechanism (10) with
The installation site of the pair positioning pin (8) is adapted.
2. stringer assembly welding clamp according to claim 1, it is characterised in that: the chock mechanism (10) includes passing through
Cylinder mounting base (10a) is fixed on the chock cylinder (10b) on the fulcrum bearing (1), on the piston rod of the chock cylinder (10b)
It is connected with column plug (10c), which is arranged towards the secondary positioning pin (8), under the column plug (10c)
Side is provided with supporting block (10d).
3. stringer assembly welding clamp according to claim 2, it is characterised in that: in the chock cylinder (10b) and column
It is further fixed on support frame (10e) in fulcrum bearing (1) between shape plug (10c), the piston rod of the chock cylinder (10b) is arranged in
In support frame as described above (10e), and also it is separately installed on the column plug (10c) of chock cylinder (10b) piston rod two sides
A piece guide rod (10f), and the guide rod (10f) is arranged in the pilot hole opened up on support frame as described above (10e).
4. stringer assembly welding clamp according to claim 1, it is characterised in that: the middle part of the fulcrum bearing (1) also
It is provided at least one auxiliary positioning pin (11), which is arranged close to the master positioning pin (7).
5. stringer assembly welding clamp according to claim 1, it is characterised in that: the fulcrum bearing (1) includes support plate
(1a), supporting frame (1b) and cushion block (1c), the support plate (1a) is fixed on the top of the supporting frame (1b), in the bearing
The quadrangle of the bottom frame (1b) is installed by the cushion block (1c).
6. stringer assembly welding clamp according to claim 5, it is characterised in that: offered on the support plate (1a) more
It is a to remove repeated hole (1d).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821025190.2U CN208528408U (en) | 2018-06-29 | 2018-06-29 | Stringer assembly welding clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821025190.2U CN208528408U (en) | 2018-06-29 | 2018-06-29 | Stringer assembly welding clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208528408U true CN208528408U (en) | 2019-02-22 |
Family
ID=65379378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821025190.2U Expired - Fee Related CN208528408U (en) | 2018-06-29 | 2018-06-29 | Stringer assembly welding clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208528408U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112129196A (en) * | 2020-09-30 | 2020-12-25 | 重庆嘉丰汽车零部件股份有限公司 | Automobile protection part detection tool |
| CN113523683A (en) * | 2021-06-21 | 2021-10-22 | 中联重科股份有限公司 | Workpiece welding auxiliary device and workpiece welding equipment |
-
2018
- 2018-06-29 CN CN201821025190.2U patent/CN208528408U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112129196A (en) * | 2020-09-30 | 2020-12-25 | 重庆嘉丰汽车零部件股份有限公司 | Automobile protection part detection tool |
| CN112129196B (en) * | 2020-09-30 | 2022-01-11 | 重庆嘉丰汽车零部件股份有限公司 | Automobile protection part detection tool |
| CN113523683A (en) * | 2021-06-21 | 2021-10-22 | 中联重科股份有限公司 | Workpiece welding auxiliary device and workpiece welding equipment |
| CN113523683B (en) * | 2021-06-21 | 2023-09-22 | 中联重科股份有限公司 | Workpiece welding auxiliary device and workpiece welding equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190222 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |