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CN-122007724-A - Continuous welding equipment for round tube sealing sheets

CN122007724ACN 122007724 ACN122007724 ACN 122007724ACN-122007724-A

Abstract

The invention belongs to the technical field of welding of round tube sealing sheets, in particular to a continuous welding device for round tube sealing sheets, which comprises a frame, wherein two groups of transmission shafts are symmetrically and rotatably arranged in the frame, two groups of chain wheels are symmetrically and rotatably arranged on the transmission shafts, the two groups of chain wheels are respectively meshed with two groups of chains, a plurality of groups of feeding frames for conveying workpieces are arranged between the two groups of chains in a surrounding manner, a rotating mechanism is arranged on the frame, a fixing frame is arranged on the rotating mechanism, an air cylinder is fixedly arranged on the fixing frame, a lifting frame is arranged at the output end of the air cylinder, two groups of welding heads are symmetrically arranged on the lifting frame, two groups of compression rollers are symmetrically arranged on the lifting frame, and the chain wheel and chain transmission mechanism drives the multiple groups of feeding frames to do circular motion to form a circulating conveying system, so that welding operation and feeding and discharging operation can be performed in parallel without stopping and waiting, and the processing efficiency is remarkably improved.

Inventors

  • Zhai Junqin
  • DING DONGHUA

Assignees

  • 江苏华联金属制品有限公司

Dates

Publication Date
20260512
Application Date
20260323

Claims (10)

  1. 1. The continuous welding equipment for the round tube sealing sheets comprises a frame (1) and is characterized in that two groups of transmission shafts (2) are symmetrically and rotatably arranged in the frame (1), two groups of chain wheels (3) are symmetrically arranged on the transmission shafts (2), the two groups of chain wheels (3) are respectively meshed with two groups of chains (4), a plurality of groups of feeding frames (5) for conveying workpieces (6) are arranged between the two groups of chains (4) in a surrounding manner, a rotating mechanism (7) is arranged on the frame (1), a fixing frame (8) is erected on the rotating mechanism (7), an air cylinder (9) is fixedly arranged on the fixing frame (8), a lifting frame (10) is arranged at the output end of the air cylinder (9), two groups of welding heads (11) are symmetrically arranged on the lifting frame (10), and two groups of pressing rollers (12) are symmetrically arranged on the lifting frame (10); The rotating mechanism (7) comprises two groups of transverse shafts (701), connecting frames (704) are rotatably arranged at two ends of each transverse shaft (701), and the connecting frames (704) are fixedly arranged on the frame (1); a driven shaft (702) fixedly mounted on the transverse shaft (701); Two groups of support shafts (703) symmetrically arranged at two ends of the driven shaft (702), wherein one ends of the two groups of support shafts (703) are fixedly connected with the two groups of connecting frames (704) respectively; one end of a group of transverse shafts (701) is provided with a first belt wheel (705); And a synchronous belt (706), wherein one end of the synchronous belt (706) surrounds the first belt wheel (705), and the other end of the synchronous belt (706) surrounds the second belt wheel (707).
  2. 2. The continuous welding equipment for sealing sheets of circular tubes according to claim 1, wherein the feeding frame (5) comprises a frame body (501), and two groups of chains (4) are fixedly connected to two sides of the frame body (501); A movable frame (502) movably mounted in the frame body (501); a pressure-bearing rod (503) fixedly connected with the lower end of the movable frame (502); a roller (504) rotatably mounted on the pressure-receiving rod (503); Two groups of movable blocks (505) symmetrically and movably arranged at two sides of the movable frame (502); a strut (506) mounted on the movable block (505); a rotating disk (507) rotatably installed at the upper end of the strut (506); A rubber pad (508) fixedly mounted on the rotary disc (507); and a spring (509) provided on the movable frame (502).
  3. 3. The continuous welding device for sealing sheets of round tubes of claim 2, wherein two groups of first sliding grooves (5021) are symmetrically formed in the movable frame (502), the first sliding grooves (5021) are connected with first sliding rails (5022) in a sliding mode, and the first sliding rails (5022) are fixedly installed in the frame body (501).
  4. 4. The continuous welding device for sealing sheets of round tubes of claim 3, wherein two groups of second sliding grooves (5051) are symmetrically formed in the movable block (505), the second sliding grooves (5051) are slidably connected with second sliding rails (5052), and the second sliding rails (5052) are fixedly arranged in the frame body (501).
  5. 5. The continuous welding equipment for sealing sheets of circular tubes of claim 4, wherein two groups of oblique grooves (5023) are symmetrically formed in the movable frame (502), a pin roll (5053) is arranged at one end of the movable block (505), and the pin roll (5053) is located in the oblique grooves (5023).
  6. 6. The continuous welding equipment for sealing sheets of circular tubes according to claim 5, wherein a guide plate (201) is arranged between two groups of transmission shafts (2), and the rollers (504) are in rolling connection with the outer ring of the guide plate (201).
  7. 7. The continuous welding equipment for sealing sheets of circular tubes according to claim 6, wherein the transmission shaft (2) is rotationally connected with the guide plate (201), and the outer ring of the guide plate (201) consists of a first arc-shaped surface (2011), a straight line surface (2012) and an inclined surface (2013).
  8. 8. The continuous welding equipment for sealing sheets of round tubes according to claim 7, wherein the feeding frame (5) further comprises two groups of receiving rods (510), and the two groups of receiving rods (510) are respectively inserted into the two groups of supporting rods (506); The two groups of the bearing rods (510) are fixedly connected with the bearing plate (511) at one end; two groups of protruding shafts (512) symmetrically arranged on two sides of the bearing plate (511).
  9. 9. The continuous welding apparatus for sealing sheets of round tubes of claim 8, wherein the movable block (505) is provided with a first guide hole (5054), the supporting rod (506) is slidably connected with the first guide hole (5054), the receiving plate (511) is provided with a second guide hole (5111), and the supporting rod (506) is slidably connected with the second guide hole (5111).
  10. 10. The continuous welding device for sealing sheets of circular tubes of claim 9, wherein side plates (202) are symmetrically arranged on two sides of the guide plate (201), guide grooves (203) are formed in the side plates (202), the ends of the protruding shafts (512) are located in the guide grooves (203), and the guide grooves (203) consist of a group of arc grooves (2031), a group of straight line grooves (2032) and two groups of inclined grooves (2033).

Description

Continuous welding equipment for round tube sealing sheets Technical Field The invention belongs to the technical field of welding of round tube sealing sheets, and particularly relates to continuous welding equipment for round tube sealing sheets. Background The round tube is used as a basic section bar in mechanical equipment, automobile parts, aerospace devices and building structures, the end sealing treatment is a key link in the manufacturing process, in the actual machining process, a sealing piece is accurately positioned and welded and fixed at a tube orifice at one end of the round tube to form a closed or semi-closed cavity structure, and then subsequent precise machining such as turning, drilling, milling grooves and the like is performed. The patent of publication number CN219444066U discloses that one side is fixed to be provided with positioning mechanism, including pipe rolling mechanism and positioning mechanism, pipe rolling mechanism includes two live rollers, pivot one, the locating plate, the synchronizing wheel, the drive belt, synchronous motor, positioning mechanism includes the base plate, servo motor, pivot two, the worm, the lead screw, the worm wheel, two-way screw rod, backup pad isotructure, this scheme is through the synchronous rotation of lead screw on its top of pivot two drive, make lead screw drive screw plate and lifting board descend in coordination, utilize four pinch rollers of lifting board bottom equipartition to implement the multiple spot extrusion spacing to the pipe, ensure that the pipe fitting keeps firm grip state in the welding process, simultaneously, the welding head carries out roll type automatic weld along the contact position of seal with the pipe, realize the continuous even shaping of welding seam. In the scheme, when welding the round tube and the sealing piece, the workpiece is fixed on the two sets of rotating rollers for positioning and rotating welding, however, after the welding of a single piece is finished, the workpiece is taken down from the rotating rollers and the next piece of workpiece is clamped again, the taking and placing process causes frequent suspension of the device, occupies a large amount of auxiliary time, severely restricts the welding efficiency of the round tube and the sealing piece and is difficult to meet the continuous production requirement, and therefore, the invention provides the continuous welding equipment for the round tube sealing piece. Disclosure of Invention In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved. The technical scheme includes that the continuous welding equipment for the round tube sealing sheets comprises a frame, two groups of transmission shafts are symmetrically and rotatably arranged in the frame, two groups of chain wheels are symmetrically and rotatably arranged on the transmission shafts, the two groups of chain wheels are respectively meshed with two groups of chains, a plurality of groups of feeding frames for conveying workpieces are arranged between the two groups of chains in a surrounding mode, a rotating mechanism is arranged on the frame, a fixing frame is arranged on the rotating mechanism, an air cylinder is fixedly arranged on the fixing frame, a lifting frame is arranged at the output end of the air cylinder, two groups of welding heads are symmetrically arranged on the lifting frame, two groups of compression rollers are symmetrically arranged on the lifting frame, the rotating mechanism comprises two groups of transverse shafts, connecting frames are rotatably arranged at both ends of the transverse shafts, the connecting frames are fixedly arranged on the frame, driven shafts are fixedly arranged on the transverse shafts, two groups of supporting shafts are symmetrically arranged at both ends of the driven shafts, one end of each group of the transverse shafts is provided with a first belt wheel, one end of each synchronous belt is arranged on the first belt wheel, and the other end of each synchronous belt is arranged on the second belt wheel in a surrounding mode; the sprocket chain transmission mechanism is adopted to drive the multiple groups of feeding frames to do circular motion, so that a circulating conveying system is formed, welding operation and feeding and discharging operation can be performed in parallel, machine halt is not needed for waiting, and machining efficiency is remarkably improved. Preferably, the feeding frame comprises a frame body, two groups of chains are fixedly connected to two sides of the frame body respectively, a movable frame is movably arranged in the frame body, a pressure-bearing rod is fixedly connected to the lower end of the movable frame, rollers are rotatably arranged on the pressure-bearing rod, two groups of movable blocks are symmetrically and movably arranged on two sides of the movable frame, a supporting rod is arranged on the movable block, a ro