CN209737291U - Automatic rust cleaning machine that polishes of heat exchange tube end - Google Patents

Abstract

The utility model belongs to the technical field of machine-building, in order to guarantee the welding quality of heat exchange tube and tube sheet, disclose an automatic deruster of polishing in heat exchange tube end, including motor I, the rust cleaning wheel, the locating wheel, motor II, the sloping, the shift fork, link mechanism, fixing support, motor III, the pinch roller, go up the feed bin, unloading storehouse, movable support, lead screw, handle, workstation, operating switch. Every time a pressing wheel of the automatic polishing and derusting machine for the end of a heat exchange tube rotates for a circle, a link mechanism drives a shifting fork to do reciprocating motion up and down once to drive the heat exchange tube to enter an inclined beam U-shaped groove, meanwhile, two ends of the heat exchange tube enter the middles of a derusting wheel and a positioning wheel, the positioning wheel and the derusting wheel drive the heat exchange tube to derust through friction, the pressing wheel rotates for a circle again, the shifting fork moves up and down to place the derusted heat exchange tube into a discharging bin, and the automatic feeding, derusting and discharging work is completed in a repeated. The utility model discloses a flexible operation, work efficiency is high, and convenient to use has extensive application prospect.

Description

automatic rust cleaning machine that polishes of heat exchange tube end

Technical Field

The utility model belongs to the technical field of the machine-building, concretely relates to automatic rust cleaning machine that polishes of heat exchange tube end.

Background

Before a heat exchange tube and a tube plate in the heat exchanger are welded, the end part (not less than twice the thickness of the tube plate) of the heat exchange tube needs to be polished for derusting, and the metallic luster is exposed, so that the welding quality is ensured. At present, the rust removal of the end of a heat exchange tube is manually operated, the labor intensity is high, the working efficiency is low, the danger coefficient is high, the polishing quality is uneven, the product quality is guaranteed in order to solve the practical production problem, and an automatic rust removal device is needed to meet the practical production requirement.

Disclosure of Invention

For the better welding quality who guarantees heat exchange tube and tube sheet, the utility model provides an automatic deruster of polishing of heat exchange tube tip, this equipment can accomplish the automatic rust cleaning of heat exchange tube tip and advance, ejection of compact function automatically, improves heat exchange tube rust cleaning efficiency, reduces workman intensity of labour.

The utility model provides an automatic deruster that polishes of heat exchange tube tip includes motor I, rust cleaning wheel, locating wheel, motor II, sloping, shift fork, link mechanism, fixing support, motor III, pinch roller, goes up the feed bin, goes out the feed bin, and movable support, lead screw, handle, workstation, operating switch. The utility model provides a technical scheme that its technical problem adopted is: an automatic polishing and derusting machine for the end part of a heat exchange tube mainly comprises two mechanisms, namely an automatic derusting mechanism and an automatic feeding and discharging mechanism. The heat exchange tube enters the sloping from the feeding bin, a U-shaped groove is formed in the sloping, a protrusion is arranged at the front end of the U-shaped groove and can block the heat exchange tube from entering the U-shaped groove of the sloping, the motor III drives the pressing wheel to rotate, the protrusion is arranged on one side of the pressing wheel, the protrusion of the pressing wheel is contacted with the link mechanism every time the pressing wheel rotates for a circle, and the link mechanism drives the shifting fork to do up-and-down reciprocating motion once. When the pressing wheel bulge is contacted with the connecting rod mechanism, the shifting fork moves upwards, and the front end of the shifting fork jacks up a heat exchange tube on the inclined beam, so that the heat exchange tube is higher than the front end of the U-shaped groove of the inclined beam and is bulged; when the pressing wheel bulge is separated from the connecting rod mechanism, the shifting fork moves downwards to drive the heat exchange tube to enter the U-shaped groove of the oblique beam, meanwhile, the two ends of the heat exchange tube enter the middle of the derusting wheel and the positioning wheel, the positioning wheel and the derusting wheel drive the heat exchange tube to rotate through friction, the automatic feeding and derusting functions are completed, the positioning wheel can adjust the distance between the movable support and the derusting wheel through a lead screw according to the diameter of the heat exchange tube, and the derusting wheel can adjust the width of the derusting; when the pinch roller rotates one week again, drive the shift fork through link mechanism and do reciprocating motion from top to bottom once more, when the shift fork upwards moved, the shift fork earlier with the heat exchange tube jack-up that the sloping U type inslot has removed rust, got into feed bin down through the sloping, accomplished automatic discharging function, afterwards shift fork front end again with a heat exchange tube jack-up on the sloping put the sloping U type inslot rust cleaning into, go round and begin again, accomplish automatic feed, rust cleaning, ejection of compact work.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the rust removing part of the present invention;

Fig. 3 is a schematic view of the feeding and discharging part of the present invention.

In the drawing, a motor I (1), a derusting wheel (2), a positioning wheel (3), a motor II (4), an oblique beam (5), a shifting fork (6), a link mechanism (7), a fixed support (8), a motor III (9), a pressing wheel (10), a feeding bin (11), a discharging bin (12), a movable support (13), a lead screw (14), a handle (15), a workbench (16) and an operating switch (17).

Detailed Description

In the drawing, a workbench (16) is divided into an upper layer and a lower layer, a motor I (1) and a derusting wheel (2) are fixed on the upper layer of the workbench (16), the motor I (1) is connected with the derusting wheel (2) through a belt, a positioning wheel (3) is installed on a movable support (13), and the movable support (13), the positioning wheel (3) and the derusting wheel (2) can be adjusted in a transmission mode through a handle (15) and a lead screw (14) according to the diameter of a heat exchange tube; motor II (4) is placed to the workstation lower floor, is connected with locating wheel (3) through the belt, and operating switch (17) are laid to workstation (16) side, and operating switch (17) control motor I (1) and motor II (4) start-up drive simultaneously and remove rust wheel (2) and locating wheel (3) high-speed rotation, and when the heat exchange tube both ends got into between removing rust wheel and the locating wheel, the completion rust cleaning action has constituted automatic rust cleaning mechanism.

The inclined beam (5) is an integral component and is connected with the feeding bin (11) and the discharging bin (12), a motor III (9) is arranged in a hollow part below the inclined beam and is connected with a pressing wheel (10) through a belt, a fixed support (8) is arranged along the linear position of the pressing wheel (10), the fixed support (8) is connected with a link mechanism (7), the upper part of the link mechanism (7) is connected with a shifting fork (6), an operation switch (17) controls the motor III (9) to drive the pressing wheel (10) to rotate, a protruding part of the pressing wheel (10) is contacted with the lower part of the link mechanism (7) to enable the link mechanism (7) to drive the shifting fork (6) to move upwards, the front end of the shifting fork (6) jacks up a heat exchange tube on the inclined beam (5) and enables the heat exchange tube to be higher than the front end of a U-shaped groove of the inclined beam (5) to protrude, and when the pressing wheel (10) is separated from the, the heat exchange tube is driven to enter a U-shaped groove of the oblique beam (5), meanwhile, the two ends of the heat exchange tube enter the middle of the derusting wheel (2) and the positioning wheel (3), the positioning wheel (3) and the derusting wheel (2) drive the heat exchange tube to rotate through friction, the derusting effect is achieved, when the pressing wheel (10) rotates once again, the shifting fork (6) is driven to do reciprocating motion up and down again through the connecting rod mechanism (7), when the shifting fork moves upwards, the shifting fork (6) jacks up the heat exchange tube which is derusted in the U-shaped groove of the oblique beam (5) firstly, the heat exchange tube enters the lower storage bin (12) through the oblique beam (5), then the front end of the shifting fork (6) jacks up the heat exchange tube on the oblique beam (5) and puts the heat exchange tube into the U-shaped groove of the oblique beam (5) to derust in cycles.

Two ends of the automatic polishing and derusting machine at the end part of the heat exchange tube are respectively provided with a derusting mechanism, and one or more automatic feeding and discharging mechanisms can be arranged in the middle of the automatic polishing and derusting machine as required.

The utility model discloses a rust cleaning is efficient, workman low in labor strength, easily operation, convenient and practical.

Claims (4)

1. An automatic polishing and derusting machine for the end of a heat exchange tube comprises a motor I, a derusting wheel, a positioning wheel, a motor II, an oblique beam, a shifting fork, a link mechanism, a fixed support, a motor III, a pressing wheel, a feeding bin, a discharging bin, a movable support, a lead screw, a handle, a workbench and an operating switch, and is characterized in that a U-shaped groove is formed in the oblique beam of the automatic polishing and derusting machine for the end of the heat exchange tube, the shifting fork is driven by the link mechanism to do up-and-down reciprocating motion once every time the pressing wheel rotates for one circle, when the shifting fork moves upwards, the front end of the shifting fork jacks up a heat exchange tube on the oblique beam, when the shifting fork moves downwards, the heat exchange tube is driven to enter the U-shaped groove of the oblique beam, meanwhile, two ends of the heat; when the pinch roller rotates one week again, drive the shift fork through link mechanism and do the up-and-down reciprocating motion again, when the shift fork upwards moved, the shift fork earlier with the oblique beam U type inslot remove the heat exchange tube jack-up of rust, got into down the feed bin through the oblique beam, accomplished the automatic discharging function.

2. the automatic grinding and derusting machine for the end head of the heat exchange tube as recited in claim 1, is characterized in that: the front end of the U-shaped groove of the oblique beam is provided with a bulge which can block the heat exchange tube from entering the U-shaped groove of the oblique beam.

3. The automatic grinding and derusting machine for the end head of the heat exchange tube as recited in claim 1, is characterized in that: one side of the pressing wheel is provided with a bulge, when the pressing wheel bulge is contacted with the connecting rod mechanism, the shifting fork moves upwards, and when the pressing wheel bulge is separated from the connecting rod mechanism, the shifting fork moves downwards, so that the automatic feeding and discharging functions are realized.

4. The automatic grinding and derusting machine for the end head of the heat exchange tube as recited in claim 1, is characterized in that: the positioning wheel can adjust the distance between the movable support and the derusting wheel through the lead screw according to the diameter of the heat exchange tube, and the derusting wheel can adjust the width of the derusting wheel according to the polishing derusting length.