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CN-121989041-A - Automatic cartridge production line for heat exchanger connection U-pipe

CN121989041ACN 121989041 ACN121989041 ACN 121989041ACN-121989041-A

Abstract

The invention discloses an automatic inserting production line for connecting U pipes of heat exchangers, which comprises a connecting U pipe feeding arrangement device, a heat exchanger feeding positioning device and a connecting U pipe grabbing and assembling device, wherein the connecting U pipe feeding arrangement device is used for realizing automatic feeding of the connecting U pipes and arranging the connecting U pipes according to a set arrangement sequence, and the heat exchanger feeding positioning device is used for conveying pre-assembled heat exchangers to a specified position and positioning the heat exchangers so that the heat exchangers can bear pressure from assembling the connecting U pipes. The connecting U pipe grabbing and assembling device takes out the connecting U pipe from the connecting U pipe feeding and arranging device and transfers the connecting U pipe to the corresponding long U pipe of the heat exchanger assembled on the heat exchanger feeding and positioning device. Through the cooperation of the three, realize connecting U pipe, heat exchanger's automatic feeding and assembly, degree of automation is high, efficient, greatly reduced manufacturing cost, but wide application in the assembly field of heat exchanger connection U pipe.

Inventors

  • WU JIANJUN
  • CHEN TAO
  • JIN TIEJUN
  • WU JIANFENG
  • ZHU MENGCHEN
  • GUO WEI

Assignees

  • 黄山三佳谊华精密机械有限公司

Dates

Publication Date
20260508
Application Date
20260318

Claims (8)

  1. 1. Automatic cartridge production line of heat exchanger connection U pipe, its characterized in that includes: The U-pipe feeding arrangement device (1) is connected and used for realizing automatic feeding of the U-pipes and arranging the U-pipes according to a set arrangement sequence; a heat exchanger feed positioning device (2) for transporting the pre-assembled heat exchanger to a specified location and positioning the heat exchanger to withstand pressure from the connection U-tube assembly; The U-pipe grabbing and assembling device (3) is connected, the U-pipe is taken out from the U-pipe feeding and arranging device and is transferred and assembled onto the corresponding long U-pipe of the heat exchanger on the heat exchanger feeding and positioning device; The U-shaped pipe grabbing and assembling device (3) comprises a frame (31), a box body (32) capable of moving up and down is arranged on the frame (31), a main rotating shaft (33) is arranged on the box body (32), a rotating table (34) rotating along with the main rotating shaft (33) is arranged on the rotating shaft (33), an angle adjusting rotating disc (35) is arranged on the rotating table (34), a clamping device (36) for clamping a U-shaped pipe is arranged on the angle adjusting rotating disc (35), and the clamping device (36) is driven to adjust positions through rotation of the rotating table (34), so that the clamping device (36) is switched back and forth between the U-shaped pipe feeding and arranging device (1) and the heat exchanger feeding and positioning device (2).
  2. 2. The automatic inserting production line for the heat exchanger connecting U-tubes according to claim 1, wherein at least one distance-changing main shaft (372) is arranged on the rotary table (34), a group of sliding blocks (374) matched with the distance-changing main shaft (372) are arranged on the rotary table, and an angle adjusting rotary table (35) is arranged on each sliding block (374).
  3. 3. The automatic inserting production line for the heat exchanger connecting U-tubes of claim 2, wherein the sliding block (374) is provided with a front-back adjusting cylinder (38) for driving the angle adjusting turntable (35) to move back and forth.
  4. 4. The automatic inserting production line for the heat exchanger connecting U-tubes, as set forth in claim 1, wherein the rotating table (34) is provided with at least one pair of distance-changing spindles (372), a group of sliding blocks (374) matched with the distance-changing spindles (372), each sliding block (374) is provided with an angle adjusting rotary table (35), the connecting U-tube feeding arrangement device (1) and the heat exchanger feeding positioning device (2) are respectively corresponding to one of the distance-changing spindles (372), and the rotating table (34) rotates to enable the clamping devices (36) below the two distance-changing spindles (372) to be switched between the connecting U-tube feeding arrangement device (1) and the heat exchanger feeding positioning device (2).
  5. 5. The automatic inserting production line for the connecting U pipes of the heat exchanger according to claim 1, wherein the connecting U pipe feeding arrangement device (1) comprises a vibration disc (11), a connecting U pipe feeding conveyor belt (12) which is in butt joint with the vibration disc (11) and enables the connecting U pipes to be conveyed forwards according to the opening direction, and a connecting U pipe positioning conveyor belt (13) which is in butt joint with the connecting U pipe feeding conveyor belt (12) and enables the connecting U pipes to be arranged according to the set interval.
  6. 6. The automatic inserting production line for the heat exchanger connecting U-tubes, as set forth in claim 1, wherein the heat exchanger feeding and positioning device (2) comprises a heat exchanger conveying belt (21), clamping seats (22) arranged on two sides of the heat exchanger conveying belt (21), clamping plates (23) capable of moving back and forth are arranged on the clamping seats (22), and a heat exchanger position sensor (24) and a heat exchanger supporting seat (25) for enabling the heat exchanger to be kept vertical are further arranged.
  7. 7. The automatic inserting production line for connecting U-tubes of heat exchangers according to claim 3, wherein the automatic inserting production line is further provided with a visual positioning camera (4) for sensing the positions and angles of the long U-tubes on the heat exchangers to be assembled, and a controller (5), wherein the controller (5) receives signals of the visual positioning camera (4) and controls the angle adjusting turntable (35), the pitch-changing main shaft (372) and the front-back adjusting cylinder (38) to work so that the angles and positions of the connecting U-tubes correspond to the angles and positions of the long U-tubes on the heat exchangers to be assembled.
  8. 8. The automatic inserting production line for the heat exchanger connecting U-tubes is characterized in that a group of limiting grooves (131) which are matched with the diameters of the connecting U-tubes are formed in the connecting U-tube positioning conveying belt (13) at intervals, one end of each limiting groove (131) is opened, the other end of each limiting groove is provided with a limiting plate (132), the opening ends of the limiting grooves (131) are in butt joint with the connecting U-tube feeding conveying belt (12) and receive the connecting U-tubes from the connecting U-tube feeding conveying belt (12), and the connecting U-tube positioning conveying belt (13) is perpendicular to the connecting U-tube feeding conveying belt (12) and located at the discharging end of the connecting U-tube feeding conveying belt (12).

Description

Automatic cartridge production line for heat exchanger connection U-pipe Technical Field The invention relates to the field of heat exchanger production and processing, in particular to an automatic inserting production line for a heat exchanger connecting U pipe. Background In the production and processing of heat exchangers, after a group of long U-tubes are inserted into fins, the installation of connecting U-tubes is needed. According to the requirements of manufacturers, the two types of direct insertion and oblique insertion are separated, and the angle of oblique insertion is also various. At present, the heat exchanger is connected with the U pipe cartridge and is operated by manually inserting one by one, so that the labor intensity is high and the efficiency is low. Along with the increasing of cost of labor, it is urgently needed to develop a device for taking and inserting the connecting U pipe with high efficiency and high automation degree, namely, the device can realize automatic taking and inserting of the connecting U pipe, improves the production efficiency, and simultaneously, the device can also adapt to the insertion of the connecting U pipe with various angles. Disclosure of Invention The invention aims to provide an automatic inserting production line for a heat exchanger connecting U pipe, which solves the problems of low automation degree, low efficiency and high cost caused by manual operation in the assembly of the existing heat exchanger connecting U pipe. The technical scheme adopted by the invention for solving the technical problems is that the automatic inserting production line for connecting the U-shaped pipe with the heat exchanger comprises the following steps: the feeding arrangement device is connected with the U-pipe and is used for realizing automatic feeding of the U-pipe and arranging the U-pipe according to a set arrangement sequence; the heat exchanger feeding positioning device is used for conveying the preassembled heat exchanger to a specified position and positioning the heat exchanger so that the heat exchanger can bear the pressure from the assembling of the connecting U-pipe; The connecting U pipe grabbing and assembling device is used for taking out the connecting U pipe from the connecting U pipe feeding and arranging device and transferring and assembling the connecting U pipe onto the corresponding long U pipe of the heat exchanger on the heat exchanger feeding and positioning device. Further, connect U pipe grabbing assembly quality includes the frame, but set up the box of up-and-down motion in the frame, be provided with main axis of rotation on the box, be provided with along with main axis of rotation pivoted revolving stage on the axis of rotation, be provided with the angle modulation carousel on the revolving stage, be provided with the clamping device who is used for the centre gripping to connect U pipe on the angle modulation carousel, rotate through the revolving stage and drive clamping device adjustment position, make clamping device switch back and forth between connecting U pipe feeding arrangement device and heat exchanger feeding positioner. In order to realize batch assembly and adjust according to the long U pipe interval of different heat exchangers, be provided with at least one displacement main shaft on the revolving stage, with displacement main shaft complex a set of slider, be provided with an angle adjustment carousel on every slider. In order to facilitate the assembly of long U-tubes which are not on the same straight line, the sliding block is provided with a front-back adjusting cylinder which drives the angle adjusting turntable to move back and forth. In order to improve the assembly efficiency, the rotary table is at least provided with a pair of distance-changing spindles, a group of sliding blocks matched with the distance-changing spindles, each sliding block is provided with an angle adjusting rotary table, the U-pipe feeding arrangement device and the heat exchanger feeding positioning device are connected to correspond to one of the distance-changing spindles respectively, and the rotary table rotates to enable the clamping devices below the two distance-changing spindles to be switched between the U-pipe feeding arrangement device and the heat exchanger feeding positioning device. Specifically, the connecting U pipe feeding arrangement device comprises a vibrating disk, a connecting U pipe feeding conveyer belt which is in butt joint with the vibrating disk to enable the connecting U pipe to be conveyed downwards and forwards according to an opening, and a connecting U pipe positioning conveyer belt which is in butt joint with the connecting U pipe feeding conveyer belt to enable the connecting U pipe to be arranged according to a set distance. The heat exchanger feeding positioning device comprises a heat exchanger conveying belt, clamping seats arranged on two sides of the heat exchanger conveying belt, clampi