CN-121972889-A - Welding positioning device and method for air duct of compressor

CN121972889ACN 121972889 ACN121972889 ACN 121972889ACN-121972889-A

Abstract

The application provides a welding positioning device and a welding positioning method for a compressor air duct, which belong to the technical field of automatic welding of the compressor air duct and comprise a supporting plate, an adjustable limiting device and a compressing device which is arranged parallel to the supporting plate, wherein the clamping positioning general limiting device and the compressing device for welding a welding seam of the air duct on an automatic welding machine are matched, a workpiece is limited by moving the limiting device, and the compressing device presses the workpiece on the supporting plate after the workpiece is limited, so that the workpiece is adapted to different sizes, placing modes and placing angles, the workpiece is rapidly and stably positioned and compressed on the supporting plate, the workpiece is accurately positioned, the problems of unstable clamping and easy deviation caused by smooth curved surfaces and no force points of the workpiece of the air duct in the traditional clamping mode are avoided, and a reliable clamping basis is provided for subsequent automatic welding, thereby being beneficial to improving the stability and consistency of the welding process.

Inventors

HAO CHUNNA
LIU JIAHUI
SHI TIANXIANG
WANG CHENRUI
LIU YUECHEN
ZHU GUANHUA
GUAN XIN
HAO JIANGUO
NIU QUAN
LIANG YING

Assignees

沈阳透平机械股份有限公司
沈鼓集团股份有限公司

Dates

Publication Date: 20260505
Application Date: 20260209

Claims (10)

1. The utility model provides a compressor dryer welding position device which characterized in that, compressor dryer welding position device includes: A pallet on which a workpiece is placed; the limiting assembly comprises a plurality of limiting devices, and the limiting devices are adjustably arranged on the supporting plate so as to limit the workpiece; The compressing assembly comprises a plurality of compressing devices, the compressing devices are arranged parallel to the supporting plate, and the compressing devices compress the workpiece on the supporting plate.
2. A welding positioning device for a compressor cartridge according to claim 1, the welding and positioning device for the air duct of the compressor is characterized by further comprising: The moving block assembly comprises a plurality of first moving blocks which are connected to the supporting plate in a sliding manner; the limiting device is arranged on the first moving block, and the limiting device is driven to move relative to the supporting plate through the first moving block.
3. A welding positioning device for a compressor cartridge according to claim 2, the welding and positioning device for the air duct of the compressor is characterized by further comprising: The first sliding groove group comprises two first sliding grooves, the first sliding grooves are arranged on the first end face of the supporting plate along the radial direction of the supporting plate, the first sliding grooves extend from the side wall of the supporting plate to the center of the supporting plate, and the two first sliding grooves are positioned on the same radial line of the supporting plate; The first sliding groove group comprises a plurality of second sliding grooves, the second sliding grooves are arranged on the first end face of the supporting plate, and the second sliding grooves are arranged at an angle with the first sliding grooves; The third sliding groove group comprises at least one third sliding groove, the third sliding groove penetrates through the first end face of the supporting plate, and the third sliding groove is vertically arranged between the two first sliding grooves; the first end face is the contact face of the supporting plate and the workpiece.
4. A welding positioning device for a compressor cartridge according to claim 3, the welding and positioning device for the air duct of the compressor is characterized by further comprising: the first jaw group comprises two first jaws which are in sliding connection in the first sliding groove; the second claw group comprises two second claws, the second claws are in sliding connection in the third sliding groove, and the second claws are matched with the first claws to limit the flange workpiece.
5. A compressor cartridge weld fixture apparams as defined in claim 4 wherein, The second sliding groove is internally connected with the first moving block in a sliding way; the flange work piece level is placed on the layer board, stop device includes: The first screw is perpendicular to the supporting plate, and the first end of the first screw is fixedly connected with the first moving block; the first screw sleeve is sleeved outside the second end of the first screw rod, and the first end of the first screw sleeve is in threaded fit with the first screw rod; the limiting device is in threaded fit with the second end of the first threaded sleeve, so that the distance between the limiting device and the supporting plate can be adjusted by screwing the first threaded sleeve.
6. A compressor cartridge weld fixture apparams as defined in claim 5, wherein, The compression assembly includes: The first end of the second screw rod is embedded into the second end of the first screw sleeve, and the first end of the second screw rod is in threaded fit with the second end of the first screw sleeve; the compressing block is provided with a limiting groove, is arranged at the second end of the second screw rod, and enables the flange workpiece to be embedded into the limiting groove by screwing the first screw sleeve, so that the flange workpiece is pressed and fixed on the supporting plate through the compressing block.
7. A welding and positioning device for a compressor cartridge according to claim 3, wherein, The first sliding groove is in sliding connection with the first moving block, the second sliding groove is in sliding connection with the first moving block, and the third sliding groove is in sliding connection with the first moving block; The semi-air duct plate workpiece is longitudinally placed on the supporting plate, and the end face of the first end of the semi-air duct plate workpiece is attached to the supporting plate; The limiting device comprises: The first jackscrew is perpendicular to the supporting plate, is in threaded fit with the first moving block, and abuts against the supporting plate after passing through the first moving block so as to fix the first moving block on the supporting plate; the jacking part is parallel to the supporting plate, is in threaded fit with the first moving block, and is abutted with the outer wall of the half-air duct plate workpiece after penetrating through the first moving block so as to limit the half-air duct plate workpiece.
8. A welding positioning device for a compressor cartridge of claim 7, The moving block assembly further includes: The second moving blocks are adjustably arranged on the supporting plate, and the pressing device is arranged on the second moving blocks so as to drive the pressing device to move relative to the supporting plate through the second moving blocks; the second moving block is connected with the third sliding groove in a sliding manner; the compressing apparatus includes: The third screw rod is perpendicular to the supporting plate, the first end of the third screw rod is connected with the second moving block, and the second end of the third screw rod extends out of the second end of the half-wind cylinder plate workpiece; A pressing block, wherein a strip hole is formed in the pressing block, and the third screw rod penetrates through the strip hole; the nut is sleeved outside the second end of the third screw rod, the nut is in threaded fit with the third screw rod, and the nut is located on one side, deviating from the half dryer sheet metal workpiece, of the pressing block, so that the pressing block is pressed and fixed on the end face of the second end of the half dryer sheet metal workpiece by screwing the nut.
9. A welding and positioning device for a compressor cartridge according to claim 3, wherein, The first moving block is connected with the third sliding groove in a sliding manner; the dryer work piece transversely is placed on the layer board, stop device includes: The pressing plate is parallel to the supporting plate and is connected with the first moving block; the compressing apparatus includes: the adjusting screw rod is perpendicular to the supporting plate, penetrates through the pressing plate and is in threaded fit with the pressing plate; The compressing plate is arranged between the pressing plate and the supporting plate in parallel, and is connected with the adjusting screw rod, so that the compressing plate is pressed on the inner wall of the air duct workpiece by screwing the adjusting screw rod.
10. A method for welding and positioning a compressor duct, which is applied to the welding and positioning device for a compressor duct according to any one of claims 1 to 9, and comprises the following steps: according to the welding type, selecting the placing posture of the workpiece on the supporting plate; adjusting the position of a limiting device on the supporting plate, and limiting a workpiece through the limiting device; the pressing device is adjusted, and the workpiece is pressed and fixed on the supporting plate through the pressing device; And after the clamping is finished, automatically welding the workpiece.

Description

Welding positioning device and method for air duct of compressor Technical Field The application belongs to the technical field of automatic welding of air cylinders of compressors, and particularly relates to a welding positioning device and method for an air cylinder of a compressor. Background In modern industrial production, the compressor cartridge is an important component of a turbine compressor, and the welding quality directly affects the performance and the service life of the product. Traditional MCL compressor dryer manufacturing is through assemblage stamping forming sheet material to rely on manual welding to become whole work piece, have inefficiency, intensity of labour height, welding quality unstable scheduling inherent defect. With the increase of the demand, the manual welding mode cannot meet the demand of the production cycle, and the application of the automatic welding equipment becomes a necessary choice. At present, although an automatic welding machine is tried to be introduced to replace manual work, the existing automatic welding equipment still faces a plurality of technical problems when welding the air duct of the compressor. When in automatic welding, two half-air duct plates are welded into an air duct, and then the air duct is welded with a flange, but as the surface of the air duct is a smooth conical curved surface and no positioning and clamping force positions exist inside and outside, the air duct is difficult to stably clamp on a workbench of an automatic welding machine, and the welding stability and quality consistency are affected. Disclosure of Invention The present invention aims to solve at least one of the technical problems existing in the prior art or related art. To this end, a first aspect of the invention provides a compressor cartridge weld fixture apparatus. The second aspect of the invention provides a welding and positioning method for a compressor air duct. In view of this, according to a first aspect of an embodiment of the present application, there is provided a welding positioning device for a compressor fan duct, including: a pallet on which the workpiece is placed; The limiting assembly comprises a plurality of limiting devices, and the limiting devices are adjustably arranged on the supporting plate so as to limit the workpiece; The compressing assembly comprises a plurality of compressing devices, the compressing devices are arranged parallel to the supporting plate, and the compressing devices compress the workpiece on the supporting plate. In one possible embodiment, the compressor cartridge welding positioning device further comprises: The movable block assembly comprises a plurality of first movable blocks which are connected to the supporting plate in a sliding manner; The limiting device is arranged on the first moving block so as to drive the limiting device to move relative to the supporting plate through the first moving block. In one possible embodiment, the compressor cartridge welding positioning device further comprises: the first sliding groove group comprises two first sliding grooves, the first sliding grooves are arranged on the first end face of the supporting plate along the radial direction of the supporting plate, the first sliding grooves extend from the side wall of the supporting plate to the center of the supporting plate, and the two first sliding grooves are positioned on the same radial line of the supporting plate; The first sliding groove group comprises a plurality of second sliding grooves, the second sliding grooves are arranged on the first end face of the supporting plate, and the second sliding grooves are arranged at an angle with the first sliding grooves; The third sliding groove group comprises at least one third sliding groove, the third sliding groove penetrates through the first end face of the supporting plate, and the third sliding groove is vertically arranged between the two first sliding grooves; The first end face is the contact surface of the supporting plate and the workpiece. In one possible embodiment, the compressor cartridge welding positioning device further comprises: the first jaw group comprises two first jaws which are in sliding connection in the first sliding groove; The second claw group comprises two second claws, the second claws are in sliding connection in the third sliding groove, and the second claws are matched with the first claws to limit the flange workpiece. In one possible embodiment, the first moving block is slidably connected to the second sliding groove; the flange work piece level is placed on the layer board, and stop device includes: The first screw is perpendicular to the supporting plate, and the first end of the first screw is fixedly connected with the first moving block; the first screw sleeve is sleeved outside the second end of the first screw rod, and the first end of the first screw sleeve is in threaded fit with the first screw rod; The limiting device