CN211638816U - DOC assembly welding clamping structure for vehicle - Google Patents
DOC assembly welding clamping structure for vehicle Download PDFInfo
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- CN211638816U CN211638816U CN201922383874.0U CN201922383874U CN211638816U CN 211638816 U CN211638816 U CN 211638816U CN 201922383874 U CN201922383874 U CN 201922383874U CN 211638816 U CN211638816 U CN 211638816U
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Abstract
The utility model relates to a DOC assembly welding clamping structure for vehicle belongs to DOC assembly processing auxiliary assembly field for vehicle. The end cone positioning module and the flange straight pipe positioning module are arranged at two ends of the connecting base in a right-to-right mode, the cylinder positioning module and the sensor seat positioning module are located in the middle of the connecting base, the end cone positioning module adopts a positioning plate to position the inner circle of an end cone and is pressed by a cylinder control clamping jaw, the cylinder positioning module adopts an arc-shaped groove mounting block to position a cylinder and is pressed by a clamping cylinder control pressing block, the sensor seat positioning module adopts a cylinder to control a positioning block to position and clamp, the flange straight pipe positioning module is positioned by a flange positioning pin and is pressed by a cylinder control clamping jaw; the utility model discloses installation work piece convenient and fast fixes a position accurately, has guaranteed product uniformity and welding seam quality, has improved work efficiency and product percent of pass.
Description
Technical Field
The utility model relates to a vehicle DOC assembly processing auxiliary assembly field especially relates to a vehicle DOC assembly welding clamping structure.
Background
The pollutants discharged by the tail gas of the diesel engine cause serious environmental pollution, the pollution reduction and the emission reduction by using a catalytic purification technology are one of key technologies of the exhaust aftertreatment of the diesel engine, the harmful substances in the tail gas of an automobile are removed by adopting three customs of DOC + DPF + SCR in the existing catalytic converter, and a DOC assembly is an important component of the catalytic converter.
In the past, the catalyst assembly is manufactured by manual welding, and has the defects of incapability of being installed and used due to differences in dimensions, angles and the like, the consistency of products cannot be guaranteed, the efficiency is low, and the delivery period of customers cannot be effectively met.
SUMMERY OF THE UTILITY MODEL
To defect and not enough problem among the prior art, the utility model provides an automobile-used DOC assembly welding clamping structure, to each part simple to operate of SCR assembly swift, the location is accurate, and the clamping-force is stable adjustable, has guaranteed the uniformity and the welding seam quality of product, has improved work efficiency and product percent of pass.
The utility model provides a technical scheme that its technical problem adopted is:
a DOC assembly welding clamping structure for a vehicle comprises a connecting base, wherein an end cone positioning module, a cylinder positioning module, a sensor seat positioning module and a flange straight pipe positioning module are arranged on the connecting base, the end cone positioning module and the flange straight pipe positioning module are arranged at two ends of the connecting base in a right-to-right mode, and the cylinder positioning module and the sensor seat positioning module are located on a fixing plate in the middle of the connecting base;
the end cone positioning module is provided with a fixed seat, a sliding rail, a first air cylinder and a limiting block are arranged on the fixed seat, a first sliding seat is arranged on the sliding rail and connected with the first air cylinder, an annular positioning plate matched with the diameter of the inner circle of the end cone is arranged on the first sliding seat, clamping jaws are uniformly distributed on the outer circle of the positioning plate and controlled by a second air cylinder on the rear side of the first sliding seat;
the cylinder positioning module is provided with a support, an installation block with an arc-shaped groove is arranged on the support, a pressing block is arranged above the installation block, and the pressing block is connected with a clamping cylinder with a clamping arm, which is arranged on the side surface of the support;
the sensor seat positioning module is provided with a base, a third cylinder and a positioning block are arranged on the base, a clamping groove matched with the sensor seat is formed in the positioning block, and the third cylinder can control the positioning block to stretch out and draw back to realize compression;
the flange straight pipe positioning module is provided with a second fixing seat, a second sliding rail, a fourth cylinder and a second limiting block are arranged on the second fixing seat, a second sliding seat is arranged on the second sliding rail and connected with the fourth cylinder, a positioning plate is arranged on the second sliding seat and provided with a positioning pin for mounting flanges, a clamping jaw is arranged on the side face of the positioning plate, and the clamping jaw is mounted on the base and connected with a fifth cylinder on the base.
Furthermore, handles for controlling pre-positioning are respectively arranged on the first sliding seat and the second sliding seat.
Further, the handle adopts a crank connecting rod mechanism.
Furthermore, a push rod of the third cylinder is provided with a push block which is fixedly connected, a positioning block is sleeved on a guide rod of the push block and can slide, and a handle is arranged on the positioning block.
Furthermore, two pressing plates with arc-shaped grooves are arranged on the pressing block.
Further, the clamping cylinder can adopt a JCK series strong welding clamping cylinder.
Furthermore, a protection plate is arranged on the side face of the positioning plate on the second sliding seat.
The utility model discloses following beneficial effect has: the utility model adopts the cylinder control, and can simply and rapidly assemble, position and compress the end cone barrel assembly and the flange branch pipe; the size and the position of the assembly are effectively controlled, and the parts are ensured not to be displaced and deformed in the assembling and welding processes. The consistency and the welding seam quality of products are ensured, the qualification rate and the working efficiency of finished products are improved, and the labor intensity of workers is reduced.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a left side view of the structure of the present invention;
FIG. 4 is a schematic structural view of a DOC assembly of the present invention;
fig. 5 is a perspective view of the present invention;
fig. 6 is a schematic view of the present invention assembled with a workpiece.
Detailed Description
The following describes in detail embodiments of the present invention with reference to the accompanying drawings.
As shown in fig. 1, 2 and 3: a DOC assembly welding clamping structure for a vehicle comprises a connecting base 1, wherein an end cone positioning module 2, a cylinder positioning module 3, a sensor seat positioning module 4 and a flange straight pipe positioning module 5 are arranged on the connecting base 1, the end cone positioning module 2 and the flange straight pipe positioning module 5 are arranged at two ends of the connecting base 1 in a right-to-right mode, and the cylinder positioning module 3 and the sensor seat positioning module 4 are located on a fixing plate 31 in the middle of the connecting base 1;
the end cone positioning module 2 is provided with a fixed seat 21, the fixed seat 21 is provided with a slide rail 211, a first air cylinder and a 22 limiting block 212, the slide rail 211 is provided with a first slide seat 23, the first slide seat 23 is connected with the first air cylinder 22, the first slide seat 23 is provided with an annular positioning plate 231 matched with the diameter of the inner circle of the end cone, the outer circle of the positioning plate 231 is uniformly distributed with clamping jaws 232, and the clamping jaws 232 are controlled by a second air cylinder 233 at the rear side of the first slide seat 23;
the cylinder positioning module 3 is provided with a support 33, the support 32 is provided with an installation block with an arc-shaped groove, a pressing block 33 is arranged above the installation block, and the pressing block 33 is connected with a clamping cylinder 34 with a clamping arm 341 arranged on the side surface of the support 32;
the sensor seat positioning module 4 is provided with a base 41, the base 41 is provided with a third cylinder 42 and a positioning block 43, the positioning block 43 is provided with a clamping groove matched with the sensor seat 103, and the third cylinder 42 can control the positioning block 43 to stretch and contract to realize compression;
the flange straight pipe positioning module 5 is provided with a second fixing seat 51, the second fixing seat 51 is provided with a second slide rail 511, a fourth cylinder 52 and a second limiting block 512, the second slide rail 511 is provided with a second slide seat 53, the second slide seat 53 is connected with the fourth cylinder 52, the second slide seat 53 is provided with a positioning plate 531, the positioning plate 531 is provided with a positioning pin 532 for mounting a flange, the side surface of the positioning plate 531 is provided with a clamping jaw 533, and the clamping jaw 533 is mounted on the base 53 and connected with a fifth cylinder 534 on the base 53.
And the first sliding seat 23 and the second sliding seat 53 are respectively provided with a handle for controlling pre-positioning, the handle adopts a crank-link mechanism, and the sliding seats can be manually pushed to a pre-tightening position through the handle.
A push rod of the third cylinder 42 is provided with a push block 45 which is fixedly connected, a positioning block 43 is sleeved on a guide rod of the push block 45 and can slide, and a handle 44 is arranged on the positioning block 43. The positioning block 43 can be manually controlled by the handle 44 to slide along the guide rod for pre-positioning.
Two pressing plates with arc-shaped grooves are arranged on the pressing block 33.
The clamp cylinder 34 may be a JCK series hard weld clamp cylinder.
And a protection plate 535 is arranged on the side surface of the positioning plate 531 on the second sliding seat 53, and iron chips and foreign matters are prevented from splashing into the threads of the sensor seat on the flange straight pipe assembly 102 in the welding process, so that the later installation is influenced.
As shown in fig. 4, the DOC assembly for a vehicle is formed by assembling and welding an end cone assembly 101 and a flange branch pipe assembly 102, wherein a temperature sensor seat 103 is arranged on the end cone assembly 101.
Specifically, the flange end of the flange straight pipe assembly 102 is inserted into the flange positioning pin 532, the fifth cylinder 534 is started, the clamping jaw 533 is pushed to move rightwards, and the flange on the flange straight pipe assembly 102 is clamped automatically.
The end cone end of the end cone cylinder assembly 101 is arranged on the annular positioning plate 231, the handle 24 is pushed rightwards, the sliding seat 23 is moved to the position of the limiting block 212, the handle 43 is pushed rightwards, the end cone cylinder assembly 101 is rotated, the temperature sensor seat 103 on the end cone cylinder assembly is inserted into the sensor seat positioning block 43 in an aligning mode, the second air cylinder 233 is started, the clamping jaw 232 automatically clamps the end cone, the first air cylinder 22 and the third air cylinder 42 are started, and the two air cylinders are tightly pushed in place.
The handle 54 is pushed leftwards, the second sliding seat 53 is moved to the position of the limit block 512, the fourth air cylinder 52 is started, and the air cylinder is automatically pushed tightly.
And starting the clamping cylinder 34 to enable the cylinder pressing block 33 to overturn and press the cylinder on the end cone cylinder assembly 101, and finally performing welding one-step forming by using robot welding equipment to ensure the consistency of the size and the welding quality.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. The present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only for illustrating the principle of the present invention, and the present invention will have various changes and improvements without departing from the spirit and scope of the present invention, and these changes and improvements all fall into the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a DOC assembly welding clamping structure for vehicle which characterized in that: the sensor positioning device comprises a connecting base, wherein an end cone positioning module, a cylinder positioning module, a sensor seat positioning module and a flange straight pipe positioning module are arranged on the connecting base;
the end cone positioning module is provided with a fixed seat, a sliding rail, a first air cylinder and a limiting block are arranged on the fixed seat, a first sliding seat is arranged on the sliding rail and connected with the first air cylinder, an annular positioning plate matched with the diameter of the inner circle of the end cone is arranged on the first sliding seat, clamping jaws are uniformly distributed on the outer circle of the positioning plate and controlled by a second air cylinder on the rear side of the first sliding seat;
the cylinder positioning module is provided with a support, an installation block with an arc-shaped groove is arranged on the support, a pressing block is arranged above the installation block, and the pressing block is connected with a clamping cylinder with a clamping arm, which is arranged on the side surface of the support;
the sensor seat positioning module is provided with a base, a third cylinder and a positioning block are arranged on the base, a clamping groove matched with the sensor seat is formed in the positioning block, and the third cylinder can control the positioning block to stretch out and draw back to realize compression;
the flange straight pipe positioning module is provided with a second fixing seat, a second sliding rail, a fourth cylinder and a second limiting block are arranged on the second fixing seat, a second sliding seat is arranged on the second sliding rail and connected with the fourth cylinder, a positioning plate is arranged on the second sliding seat and provided with a positioning pin for mounting flanges, a clamping jaw is arranged on the side face of the positioning plate, and the clamping jaw is mounted on the base and connected with a fifth cylinder on the base.
2. The DOC assembly welding clamping structure for the vehicle as claimed in claim 1, wherein: and the first sliding seat and the second sliding seat are respectively provided with a handle for controlling pre-positioning.
3. The DOC assembly welding clamping structure for the vehicle as claimed in claim 2, wherein: the handle adopts a crank connecting rod mechanism.
4. The DOC assembly welding clamping structure for the vehicle as claimed in claim 1, wherein: and a push rod of the third cylinder is provided with a push block which is fixedly connected, a positioning block is sleeved on a guide rod of the push block and can slide, and a handle is arranged on the positioning block.
5. The DOC assembly welding clamping structure for the vehicle as claimed in claim 1, wherein: and two pressing plates with arc-shaped grooves are arranged on the pressing block.
6. The DOC assembly welding clamping structure for the vehicle as claimed in claim 1, wherein: the clamping cylinder can adopt a JCK series strong welding clamping cylinder.
7. The DOC assembly welding clamping structure for the vehicle as claimed in claim 1, wherein: and a protection plate is arranged on the side surface of the positioning plate on the second sliding seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922383874.0U CN211638816U (en) | 2019-12-26 | 2019-12-26 | DOC assembly welding clamping structure for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922383874.0U CN211638816U (en) | 2019-12-26 | 2019-12-26 | DOC assembly welding clamping structure for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211638816U true CN211638816U (en) | 2020-10-09 |
Family
ID=72699444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922383874.0U Active CN211638816U (en) | 2019-12-26 | 2019-12-26 | DOC assembly welding clamping structure for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211638816U (en) |
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2019
- 2019-12-26 CN CN201922383874.0U patent/CN211638816U/en active Active
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