CN218193499U - Welding fixture for air suspension bracket assembly - Google Patents
Welding fixture for air suspension bracket assembly Download PDFInfo
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- CN218193499U CN218193499U CN202222778633.8U CN202222778633U CN218193499U CN 218193499 U CN218193499 U CN 218193499U CN 202222778633 U CN202222778633 U CN 202222778633U CN 218193499 U CN218193499 U CN 218193499U
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Abstract
The utility model discloses an air suspension bracket assembly welding fixture, which comprises a tool underframe, wherein an upper bracket clamping mechanism and a lower bracket clamping mechanism are integrated on the tool underframe, the upper bracket clamping mechanism is used for clamping an air spring upper bracket to be welded, and the lower bracket clamping mechanism is used for clamping a shock absorber lower bracket to be welded; the utility model adopts an integrated mode to realize the purpose that a plurality of workpieces are welded on the same tool at the same time, thereby improving the operation efficiency and reducing the production cost; the utility model discloses on being applied to automatic weld line, having reduced the process, guaranteed the welding quality uniformity, be applicable to the work piece of multiple model.
Description
Technical Field
The utility model belongs to commercial car suspension parts machining field, especially an air suspension support assembly welding jig.
Background
Compared with a steel plate spring suspension, the air suspension can effectively improve the driving smoothness of the vehicle, so that the vehicle can be safer and more comfortable to ride; when the load changes, the height of the vehicle body can be automatically adjusted and maintained unchanged; the vehicle provided with the air suspension has small vibration, so that the damage to the electric appliances, instruments, the vehicle body and other accessories of the chassis can be reduced, and the maintenance cost of the vehicle is reduced; the impact on roads is reduced, the road surface is protected, and the maintenance cost of the highway is reduced, so that the application of the highway is more and more common on automobiles.
In the existing air suspension, a support assembly comprises an air spring upper support, an air spring lower support, a shock absorber upper support, a shock absorber lower support and the like; the air spring upper bracket is used for connecting the air spring and the frame into a whole, and the shock absorber lower bracket is used for connecting the shock absorber and the steel plate spring assembly into a whole; publication No. CN114763047A discloses a front composite air suspension of a commercial vehicle, and the connection relation between an air spring upper support and a shock absorber lower support is clearly expressed in the attached drawings of the publication.
As shown in figure 1, the air spring upper bracket is formed by welding a bottom plate 1 and a connecting arm 2 into a whole, and a plurality of assembling holes 3 are distributed on the bottom plate and the connecting arm.
As shown in figure 2, the lower support of the shock absorber is formed by welding a base 4, a vertical plate 5 and a reinforcing rib plate 6 into a whole, wherein the vertical plate is vertical to the base, the reinforcing rib plate is positioned between the base and the vertical plate, and a plurality of assembling holes 3 are distributed on the base and the vertical plate.
At present, an air spring upper support and a shock absorber lower support are respectively provided with a welding line, so that the investment of equipment and manpower is large, and the reduction of production cost and the improvement of production efficiency are not facilitated; the manual welding has the problems of poor consistency, uncontrollable welding quality and low efficiency.
Disclosure of Invention
The utility model provides an air suspension support assembly welding jig, the purpose has the problem of inefficiency and quality difference in order to solve current production mode.
In order to solve the technical problem, the technical scheme of the utility model is that: air suspension support assembly welding jig, including the frock chassis, its characterized in that: an upper support clamping mechanism and a lower support clamping mechanism are integrated on the tool underframe, the upper support clamping mechanism is used for clamping an upper support of the air spring to be welded, and the lower support clamping mechanism is used for clamping a lower support of the shock absorber to be welded; the structure of the upper bracket clamping mechanism is as follows: the air spring positioning mechanism comprises a positioning mechanism, a pressing mechanism body, a positioning seat, a clamping mechanism and a moving mechanism, wherein the positioning mechanism is used for positioning a bottom plate in an upper support of an air spring, the pressing mechanism is used for pressing the bottom plate in the upper support of the air spring, the positioning seat is fixed on the moving mechanism, the positioning seat is used for positioning a connecting arm in the air spring, the clamping mechanism is fixed on the positioning seat, the clamping mechanism is used for clamping the connecting arm in the air spring, and the moving mechanism is used for conveying the connecting arm to the bottom plate.
The technical scheme is further limited, and the positioning mechanism has the structure that: comprises a plurality of sets of pneumatic positioning pins; the pneumatic positioning pin is fixed on the bottom surface of the tool underframe, and the positioning end of the pneumatic positioning pin is in positioning fit with the assembling hole in the middle bottom plate of the air spring upper support.
The technical scheme is further limited, and the structure of the pressing mechanism is as follows: comprises a plurality of sets of pneumatic pressure heads; the pneumatic type pressure head comprises revolving cylinder, depression bar and pressure head, and on revolving cylinder was fixed in the frock chassis, the middle part of depression bar and revolving cylinder's working end fixed connection, two pressure heads equally divide on the both ends of depression bar, and the pressure head is arranged in compressing tightly the bottom plate in the air spring upper bracket.
The technical scheme is further limited, and the structure of the positioning seat is as follows: the air spring upper support comprises a support and a fixed positioning pin, wherein the fixed positioning pin is fixed on the support, and the fixed positioning pin is matched with an assembling hole in a connecting arm in the air spring upper support in a positioning manner.
The technical scheme is further limited, the clamping mechanism is a finger cylinder, the finger cylinder is fixed on the top of the positioning seat through a cylinder seat, and a clamping jaw in the finger cylinder is used for pressing a connecting arm in an upper support of the air spring.
The technical scheme is further limited, the moving mechanism is a guide cylinder, and a guide rod and a piston rod in the guide cylinder are fixedly connected with a support in the positioning seat.
The technical scheme is further limited, and the structure of the lower bracket clamping mechanism is as follows: the lower support positioning base is fixed on a tool underframe, the lower support positioning base is used for positioning a lower support of the shock absorber to be welded, and the lower limb support pressing mechanism is used for pressing the lower support of the shock absorber to be welded.
Has the beneficial effects that: the utility model adopts an integrated mode to realize the purpose that a plurality of workpieces are welded on the same tool at the same time, thereby improving the operation efficiency and reducing the production cost; the utility model discloses be applied to on the automatic weld line, reduced the process, guaranteed welding quality uniformity, be applicable to the work piece of multiple model.
Drawings
Fig. 1 is a structure view of an air spring upper bracket in the background art.
Fig. 2 is a view showing a structure of a lower bracket of a shock absorber in the related art.
Fig. 3 is a structural view of the present invention.
Fig. 4 is a perspective view of the present invention.
Detailed Description
As shown in fig. 3 and 4, the welding fixture for the air suspension bracket assembly comprises a tool underframe 6, wherein an upper bracket clamping mechanism 7 and a lower bracket clamping mechanism 8 are integrated on the tool underframe, the upper bracket clamping mechanism is used for clamping an upper air spring bracket to be welded, and the lower bracket clamping mechanism is used for clamping a lower shock absorber bracket to be welded; the upper bracket clamping mechanisms are arranged in an arrangement shape; structure of upper bracket clamping mechanism: the clamping mechanism is fixed on the positioning seat, the clamping mechanism is used for clamping a connecting arm in the air spring, and the moving mechanism is used for conveying the connecting arm to the bottom plate;
as shown in fig. 3 and 4, the positioning mechanism 71 has: the device comprises four sets of pneumatic positioning pins, wherein one set of two sets of pneumatic positioning pins is formed; the pneumatic positioning pin is fixed on the bottom surface of the tooling underframe, the positioning pin is fixedly connected with the working end of the positioning cylinder, the positioning end of the positioning pin is positioned in a pin hole on the tooling underframe, and the positioning pin is in positioning fit with an assembly hole on a middle bottom plate of the air spring upper bracket; the advantages of this structure are: a plurality of sets of pneumatic positioning pins are adopted, so that the requirements of workpieces of the same type and different hole positions can be met, the universality is strong, and the mistake-proofing effect is also realized; the structure is simple, the manufacturing cost is low, the working efficiency is improved, and the welding quality is ensured;
as shown in fig. 3 and 4, the pressing mechanism 72 has a structure: comprises two sets of pneumatic pressure heads; the pneumatic pressure head consists of a rotary air cylinder 721, a pressure rod 722 and a pressure head 723, the rotary air cylinder is fixed on the bottom frame of the tool, the middle part of the pressure rod is fixedly connected with the working end of the rotary air cylinder, the two pressure heads are fixed on the two ends of the pressure rod, and the pressure heads are used for pressing a bottom plate in the upper support of the air spring; the advantages of this structure are: 1) The two sets of pneumatic pressure heads are symmetrically arranged at the center of the bottom plate, so that the problem of jumping of the bottom plate in welding is effectively avoided; the structure is simple, the manufacturing cost is low, the working efficiency is improved, and the welding quality is ensured; 2) The pressing head is replaced, so that the requirement for workpieces of the same type and different thicknesses can be met, and the universality is strong;
as shown in fig. 3 and 4, the positioning seat 73 has a structure: the air spring support comprises a support 731 and a fixed positioning pin 732, wherein the fixed positioning pin is fixed on the support and is in positioning fit with an assembling hole in a connecting arm in an upper bracket of the air spring; the advantages of this structure are: the structure is simplified, the manufacturing cost is reduced;
as shown in fig. 3 and 4, the clamping mechanism 74 is a finger cylinder, the finger cylinder is fixed on the top of the positioning seat through a cylinder seat, and a clamping jaw in the finger cylinder is used for pressing a connecting arm in an upper bracket of the air spring; the advantages of this structure are: the structure is simplified, the manufacturing cost is low, the working efficiency is improved, and the universality is strong;
as shown in fig. 3 and 4, the moving mechanism 75 is a guiding cylinder, and a guiding rod and a piston rod in the guiding cylinder are fixedly connected with a support in the positioning seat; the advantages of this structure are: the structure is simplified, the manufacturing cost is reduced;
as shown in fig. 3 and 4, the lower support fixture 8 has a structure that: the lower support positioning base is fixed on a tool underframe and used for positioning a lower support of the shock absorber to be welded, and the lower limb support pressing mechanism is used for pressing the lower support of the shock absorber to be welded;
as shown in fig. 3 and 4, the lower bracket positioning base has a structure that: the positioning device comprises a positioning block 81 and a lower support positioning pin 82, wherein the positioning block is fixed on a tool underframe, the lower support positioning pin is fixed on a positioning surface of the positioning block, and the lower support positioning pin is in positioning fit with an assembling hole in a middle vertical plate of a lower support of the shock absorber; the lower limb frame pressing mechanism has the structure that: the welding fixture comprises a limiting block 83, a lower support guide cylinder 84 and a pressing plate 85, wherein the limiting block is in limiting fit with one end of a vertical plate in the lower support of the shock absorber, a guide rod and a piston rod in the lower support guide cylinder are fixedly connected with the pressing plate, and the limiting block is matched with the pressing plate to clamp the lower support of the shock absorber to be welded; in order to improve the stability, a lower bracket positioning pin can be additionally arranged on the pressure plate; the base, the vertical plate and the reinforcing rib plate in the lower support of the shock absorber are connected into a whole in advance in a spot welding mode;
in the specification, the fixed connection part is in screw connection or welding and the like; the control system of the cylinder is common in the field and is not described, and mainly comprises a gas source station, a control valve, a reversing valve and the like.
The utility model discloses the theory of operation:
1) The pneumatic positioning pins on the tool underframe are four in number, the two sets of corresponding pneumatic positioning pins are started according to hole positions on a middle bottom plate of the air spring upper support, and the positioning pins in the pneumatic positioning pins penetrate out of the tool underframe; placing a bottom plate of an upper bracket of the air spring on a tool underframe, and enabling a positioning pin to penetrate out of an assembly hole in the bottom plate; starting the pressing mechanism, rotating a pressure head on the pressure rod to the upper part of the bottom plate through a rotary cylinder and applying downward pressure to the bottom plate to enable the bottom plate to be tightly attached to the tool underframe; placing a connecting arm of an upper bracket of the air spring on the positioning seat, and enabling the fixed positioning pin to penetrate out of an assembling hole in the connecting arm; starting the clamping mechanism, and pressing the connecting arm by a clamping jaw in the finger cylinder to enable one side surface of the connecting arm to be tightly attached to the positioning surface of the positioning seat; starting a moving mechanism, wherein a guide cylinder pushes a connecting arm to move to a welding position, the vertical connecting arm is vertical to a bottom plate, and the vertical connecting arm and the bottom plate are in a contact state; 2) A vertical plate in a lower support of the shock absorber is placed on a positioning block of the lower support, a positioning pin of the lower support penetrates out of an assembly hole of the vertical plate, and parts forming the lower support of the shock absorber are fixed in advance in a spot welding mode; starting a lower limb frame pressing mechanism, pushing a pressing plate by a lower support guide cylinder, and clamping the pressing plate by a limiting block after the pressing plate is attached to a base in a lower support of the shock absorber; 3) After clamping, the automatic welding machine can simultaneously carry out full-welding operation on the upper air spring support and the lower shock absorber support, and can finish two upper air spring supports and one lower shock absorber support through one-step processing.
Claims (7)
1. Air suspension support assembly welding jig, including the frock chassis, its characterized in that: an upper support clamping mechanism and a lower support clamping mechanism are integrated on the tool underframe, the upper support clamping mechanism is used for clamping an upper support of the air spring to be welded, and the lower support clamping mechanism is used for clamping a lower support of the shock absorber to be welded; the structure of the upper bracket clamping mechanism is as follows: the air spring positioning mechanism comprises a positioning mechanism, a pressing mechanism body, a positioning seat, a clamping mechanism and a moving mechanism, wherein the positioning mechanism is used for positioning a bottom plate in an upper support of an air spring, the pressing mechanism is used for pressing the bottom plate in the upper support of the air spring, the positioning seat is fixed on the moving mechanism, the positioning seat is used for positioning a connecting arm in the air spring, the clamping mechanism is fixed on the positioning seat, the clamping mechanism is used for clamping the connecting arm in the air spring, and the moving mechanism is used for conveying the connecting arm to the bottom plate.
2. The air suspension bracket assembly welding jig of claim 1, characterized in that: the structure of the positioning mechanism is as follows: comprises a plurality of sets of pneumatic positioning pins; the pneumatic positioning pin is fixed on the bottom surface of the tool underframe, and the positioning end of the pneumatic positioning pin is in positioning fit with the assembling hole in the middle bottom plate of the air spring upper support.
3. The air suspension bracket assembly welding jig of claim 1 or 2, characterized in that: the pressing mechanism has the structure that: comprises a plurality of sets of pneumatic pressure heads; the pneumatic type pressure head comprises revolving cylinder, depression bar and pressure head, and on revolving cylinder was fixed in the frock chassis, the middle part of depression bar and revolving cylinder's working end fixed connection, two pressure heads equally divide on the both ends of depression bar, and the pressure head is arranged in compressing tightly the bottom plate in the air spring upper bracket.
4. The air suspension bracket assembly welding jig of claim 3, characterized in that: the structure of the positioning seat is as follows: the air spring upper bracket comprises a support and a fixed positioning pin, wherein the fixed positioning pin is fixed on the support, and the fixed positioning pin is matched with an assembling hole in a connecting arm in the air spring upper bracket in a positioning mode.
5. The air suspension bracket assembly welding jig of claim 1 or 2 or 4, characterized in that: the clamping mechanism is a finger cylinder, the finger cylinder is fixed on the top of the positioning seat through a cylinder seat, and a clamping jaw in the finger cylinder is used for pressing a connecting arm in an upper support of the air spring.
6. The air suspension bracket assembly welding jig of claim 5, characterized in that: the moving mechanism is a guide cylinder, and a guide rod and a piston rod in the guide cylinder are fixedly connected with a support in the positioning seat.
7. The air suspension bracket assembly welding jig of claim 1 or 2 or 4 or 6, wherein: the structure of lower carriage clamping machine constructs: the lower support positioning base is fixed on a tool underframe, the lower support positioning base is used for positioning a lower support of the shock absorber to be welded, and the lower limb support pressing mechanism is used for pressing the lower support of the shock absorber to be welded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222778633.8U CN218193499U (en) | 2022-10-21 | 2022-10-21 | Welding fixture for air suspension bracket assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222778633.8U CN218193499U (en) | 2022-10-21 | 2022-10-21 | Welding fixture for air suspension bracket assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218193499U true CN218193499U (en) | 2023-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222778633.8U Active CN218193499U (en) | 2022-10-21 | 2022-10-21 | Welding fixture for air suspension bracket assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218193499U (en) |
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2022
- 2022-10-21 CN CN202222778633.8U patent/CN218193499U/en active Active
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