CN218555357U - Aluminum alloy profile tube expansion tool - Google Patents

Abstract

The utility model discloses an aluminum alloy ex-trusions expand tube frock, it includes: the device comprises a steel plate workbench, a control box, a motor, a transmission chain, an intermediate transmission shaft, a ball bearing, a stud, a plate type bearing seat, a gear transmission shaft, a guide pipe, a rear end square plate, a chain, a gasket, a locking nut, an intermediate support frame, a vertical support, a base, a chain gear, an intermediate transmission gear, a channel steel, a solid pull rod, a bearing support, a support flat plate, a slide rail, a hoop, an expansion pipe sleeve, a balance sleeve ring, a balance rod, an aluminum star-shaped pipe and a stainless steel inner pipe; the utility model discloses innovatively use the bloated one-time subsides of accomplishing aluminium system star type pipe and stainless steel inner tube of machinery to expand the process, utilize chain drive can still guarantee the accurate advantage of drive ratio under the diaxon heart apart from the condition far away, the specially adapted has the aluminium system star type pipe of considerable length.

Description

Aluminum alloy profile tube expansion tool

Technical Field

The utility model relates to a hydraulic pressure expand tube technical field, in particular to aluminum alloy ex-trusions expand tube frock.

Background

The aluminum star-shaped tube is used as the most important heat exchange part of the air temperature type vaporizer, and has been widely applied to the vaporization process of low-temperature liquefied gas, particularly LNG. Because the aluminum star-shaped tube is formed by hot extrusion of a special die, the tube wall of the aluminum star-shaped tube cannot bear high pressure generally, and because of the metal activity of aluminum, a lot of media cannot use the aluminum star-shaped tube for heat exchange. Therefore, the stainless steel inner tube is used in the industry, the outer wall of the stainless steel inner tube is tightly attached to the inner wall of the aluminum star-shaped tube through a tube expansion process, the advantages of good heat conduction and light weight of the aluminum star-shaped tube can be effectively utilized, the pressure bearing capacity and the corrosion resistance capacity can be improved by using the stainless steel inner tube, and the application range of the aluminum star-shaped tube is greatly expanded. In the traditional tube expansion process, a stainless steel inner tube is welded with an external pipeline, then higher pressure is applied to a pipeline system, and the tube expansion is carried out by using hydraulic pressure, so that the overpressure cracking of a pipeline connecting welding line is often caused, and the tube expansion is not uniform in deformation due to the flowing of liquid in the tube, air doping and the like, so that the use requirement of the process cannot be met.

Disclosure of Invention

The utility model aims at overcoming the shortcoming of above-mentioned background art, provide an use machinery to expand once only accomplish pasting of aluminium system star type pipe and stainless steel inner tube and expand process aluminum alloy ex-trusions expand tube frock.

The technical scheme of the utility model is that: the utility model provides an aluminum alloy ex-trusions expand tube frock, it includes: steel sheet workstation, control box, motor, drive chain, intermediate drive axle, ball bearing, double-screw bolt, board-like bearing frame, gear drive axle, stand pipe, rear end square plate, chain, gasket, lock nut, middle braced frame, vertical support, base, chain gear, middle drive gear, it still includes: the steel channels are respectively a horizontal supporting steel channel, a transverse reinforcing steel channel, a vertical steel channel, a longitudinal fixing steel channel, a longitudinal reinforcing steel channel, a middle horizontal supporting steel channel, a workbench vertical steel channel, a workbench longitudinal steel channel, a workbench transverse steel channel, a solid pull rod, a bearing support, a supporting flat plate, a slide rail, a hoop, an expansion pipe sleeve, a balance lantern ring, a balance rod, an aluminum star-shaped pipe and a stainless steel inner pipe; the control box is connected with the motor through a circuit and is respectively fixed on the steel plate workbench through bolts; one end of the middle horizontal supporting channel steel is fixed on the steel plate workbench through welding, and the other end of the middle horizontal supporting channel steel is connected to the longitudinal reinforcing channel steel in a welding mode; the transmission chain is meshed with three same middle transmission gears which are respectively positioned at the front, the middle and the back; the middle transmission shaft is connected with the middle transmission gear at the middle position of the front side and the rear side through a flat key; the ball bearing is coaxial with the middle transmission shaft and is welded with the bearing bracket; the transverse reinforcing channel steel is welded and connected with the vertical channel steel; the stud is used for fastening the vertical channel steel and the plate type bearing seat; the nut is matched with the fastening stud; the end part of the gear transmission shaft is fixed on the plate type bearing seat; the longitudinal fixed channel steel is welded and connected to the transverse reinforcing channel steel; the longitudinal reinforcing channel steel is welded and connected to the transverse reinforcing channel steel; one end of the middle horizontal supporting channel steel is welded on the steel plate workbench, and the other end of the middle horizontal supporting channel steel is welded with the longitudinal reinforcing channel steel; the guide pipe is welded with the rear end square plate; the rear end square plate is welded and connected to the middle horizontal supporting channel steel;

the reinforcing rib plate is welded with the middle horizontal supporting channel steel and the rear end square plate; the chain is meshed with the front end gear, the middle end gear and the rear end gear; the rear front reinforcing rib plate and the front reinforcing rib plate are respectively welded and connected to the middle square plate; the reinforcing rib plate is welded and connected on the front end square plate; the gasket is matched with the locking nut for use; the workbench vertical channel steel, the workbench longitudinal channel steel and the workbench transverse channel steel are used for supporting the steel plate workbench; the middle supporting frame is connected with the vertical bracket in a welding way; the base is connected with the vertical bracket in a welding way; the front side chain gear and the rear side chain gear are four in number; the support flat plate is connected with the hoop in a welding way; the sliding rail is welded and connected with the middle horizontal supporting channel steel; the hoop is nested on the sliding rail; the expansion pipe sleeve is in threaded connection with the solid pull rod; the balance lantern ring is connected with the solid pull rod and the balance rod through threads;

the utility model has the advantages that: the utility model discloses use the expanded disposable subsides of accomplishing aluminium system star type pipe and stainless steel inner tube of machinery to expand the process innovatively, utilize chain drive can still guarantee the accurate advantage of drive ratio under the diaxon heart apart from the condition far away, the specially adapted has the aluminium system star type pipe of considerable length. The stretching power is provided by means of the control motor, the conical expanding sleeve stainless steel inner pipe moves axially at a constant speed, the clamp and the guide rail limiting mechanism are driven by the transmission gear, the moving direction is guaranteed not to be inclined, the solid pull rod moves forwards in the axis direction all the time by means of the rear end balance sleeve ring and the balance rod, and finally the stable and efficient sticking and expanding operation is guaranteed.

Drawings

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

FIG. 2 is a side view of FIG. 1;

FIG. 3 isbase:Sub>A schematic view of the structure of the plane A-A in FIG. 1;

FIG. 4 is a schematic view of the structure of the plane B-B in FIG. 2;

FIG. 5 is a schematic view of the structure of the intermediate transmission gear of the present invention;

FIG. 6 is a schematic view of the chain gear structure of the present invention;

FIG. 7 is a schematic view of an aluminum star-shaped tube structure according to the present invention;

FIG. 8 is a schematic view of the stainless steel inner tube structure of the present invention;

wherein: 1. steel plate workbench, 2, control box, 3, motor, 4, horizontal supporting channel steel, 5, transmission chain, 6, intermediate transmission shaft, 7, ball bearing, 8, horizontal reinforcing channel steel, 9, vertical channel steel, 10, stud, 11, plate bearing seat, 12, nut, 13, gear transmission shaft, 14, vertical fixing channel steel, 15, vertical reinforcing channel steel, 16, intermediate horizontal supporting channel steel, 17, guide pipe, 18, rear square plate, 19, reinforcing rib, 20, chain, 21, rear reinforcing rib plate, 22, intermediate square plate, 23, front reinforcing rib plate, 24, reinforcing rib plate, 25, front square plate, 26, gasket, 27, lock nut, 28, workbench vertical channel steel, 29, workbench vertical channel steel, 30, workbench horizontal channel steel, 31, intermediate supporting frame, 32, vertical support, 33, base, 34, chain gear, 35, intermediate transmission gear, 36, bearing support, 37, supporting flat plate, 38, slide rail, 39, clamp, 40, solid core, 41, expansion sleeve, 43, balance sleeve, stainless steel tube, aluminum balance tube, 42, star-shaped tube, stainless steel tube, aluminum balance tube, and stainless steel tube.

Detailed Description

This embodiment is an aluminum alloy ex-trusions expand tube frock, and it includes: steel sheet workstation (1), control box (2), motor (3), drive chain (5), intermediate drive axle (6), ball bearing (7), double-screw bolt (10), plate bearing frame (11), gear drive axle (13), stand pipe (17), rear end square plate (18), chain (20), gasket (26), lock nut (27), middle braced frame (31), vertical support (32), base (33), chain gear (34), intermediate drive gear (35), it still includes: the device comprises channel steel, wherein the channel steel is respectively a horizontal supporting channel steel (4), a transverse reinforcing channel steel (8), a vertical channel steel (9), a longitudinal fixing channel steel (14), a longitudinal reinforcing channel steel (15), a middle horizontal supporting channel steel (16), a workbench vertical channel steel (28), a workbench longitudinal channel steel (29), a workbench transverse channel steel (30), a solid core pull rod (40), a bearing support (36), a supporting flat plate (37), a slide rail (38), a clamp (39), an expansion pipe sleeve (41), a balance sleeve ring (42), a balance rod (43), an aluminum star-shaped pipe (44) and a stainless steel inner pipe (45); the control box (2) is connected with the motor (3) through a circuit and is respectively fixed on the steel plate workbench (1) through bolts; one end of the middle horizontal supporting channel steel (16) is fixed on the steel plate workbench (1) through welding, and the other end of the middle horizontal supporting channel steel is connected to the longitudinal reinforcing channel steel (15) through welding; the transmission chain (5) is meshed with three same middle transmission gears (35) which are respectively positioned at the front, the middle and the rear; the middle transmission shaft (6) is connected with a middle transmission gear (35) at the middle position of the front side and the rear side through a flat key; the ball bearing (7) is coaxial with the middle transmission shaft (6) and is connected with the bearing bracket (36) in a welding way; the transverse reinforcing channel steel (8) is welded and connected with the vertical channel steel (9); the stud (10) is used for fastening the vertical channel steel (9) and the plate type bearing seat (11); the nut (12) is matched with the fastening stud (10); the end part of the gear transmission shaft (13) is fixed on the plate type bearing seat (11); the longitudinal fixing channel steel (14) is welded and connected to the transverse reinforcing channel steel (8); the longitudinal reinforcing channel steel (15) is welded and connected to the transverse reinforcing channel steel (8); one end of the middle horizontal supporting channel steel (16) is welded on the steel plate workbench (1), and the other end of the middle horizontal supporting channel steel is welded with the longitudinal reinforcing channel steel (15); the guide pipe (17) is welded with the rear end square plate (18); the rear end square plate (18) is welded and connected to the middle horizontal supporting channel steel (16);

the reinforcing ribs (19) are welded and connected with the middle horizontal supporting channel steel (16) and the rear end square plate (18); the chain (20) is meshed with the front, middle and rear end gears; the rear reinforcing rib plate (21) and the front reinforcing rib plate (23) are respectively welded and connected to the middle square plate (22); the reinforcing ribs (24) are welded and connected on the front end square plate (25); the gasket (26) is matched with the locking nut (27) for use; the workbench vertical channel steel (28), the workbench longitudinal channel steel (29) and the workbench transverse channel steel (30) are used for supporting the steel plate workbench (1); the middle supporting frame (31) is connected with the vertical bracket (32) in a welding way; the base (33) is connected with the vertical bracket (32) in a welding way; the front side chain gear and the rear side chain gear are four in number; the support flat plate (37) is connected with the hoop (39) in a welding way; the sliding rail (38) is connected with the middle horizontal supporting channel steel (16) in a welding mode; the clamp (39) is nested on the sliding rail (38); the expansion sleeve (41) is in threaded connection with the solid pull rod (40); the balance lantern ring (42) is connected with the solid pull rod (40) and the balance rod (43) through threads;

during specific operation, an aluminum star-shaped pipe (44) and a stainless steel inner pipe (45) are respectively sleeved on a solid pull rod (40), the front end of the aluminum star-shaped pipe (44) is attached to a middle square plate (22), then an expansion pipe sleeve (41), a balance sleeve ring (42) and a balance rod (43) are sequentially installed, the left side of the expansion pipe sleeve (41) is attached to the rear end face of the aluminum star-shaped pipe (44), and the tail of the balance rod (43) penetrates through a rear end square plate (18) and a guide pipe (17). The motor (3) is started through the control box (2), the motor (3) drives a coaxial front end gear, the gear rotates to drive a meshed chain (20), then a middle transmission gear (35) is driven, the middle transmission gear (35) drives a gear carrier and a hoop (39) to advance together in the horizontal direction of a guide rail, a pipe expanding sleeve (41) enters a stainless steel inner pipe from the rear end of an aluminum star-shaped pipe (44), then the speed is regulated through the control box (2) until the pipe expanding sleeve (41) reaches the front end of the aluminum star-shaped pipe (44), a balance sleeve ring (42) is coaxial with the inner pipe in the stainless steel inner pipe, the end part of a balance rod (43) is matched with a guide pipe (17) to be coaxial with the aluminum star-shaped pipe (44) and the stainless steel inner pipe (45) all the time in the pipe expanding process, and finally the whole stainless steel inner pipe (45) is tightly attached to the aluminum star-shaped pipe (44) to complete pipe expanding operation.

Claims (2)

1. The utility model provides an aluminum alloy ex-trusions expand tube frock, it includes: steel sheet workstation, control box, motor, drive chain, intermediate drive axle, ball bearing, double-screw bolt, board-like bearing frame, gear drive axle, stand pipe, rear end square plate, chain, gasket, lock nut, middle braced frame, vertical support, base, chain gear, middle drive gear, characterized by it still includes: the steel channels are respectively a horizontal supporting steel channel, a transverse reinforcing steel channel, a vertical steel channel, a longitudinal fixing steel channel, a longitudinal reinforcing steel channel, a middle horizontal supporting steel channel, a workbench vertical steel channel, a workbench longitudinal steel channel, a workbench transverse steel channel, a solid pull rod, a bearing support, a supporting flat plate, a slide rail, a hoop, an expansion pipe sleeve, a balance lantern ring, a balance rod, an aluminum star-shaped pipe and a stainless steel inner pipe; the control box is connected with the motor through a circuit and is respectively fixed on the steel plate workbench through bolts; one end of the middle horizontal supporting channel steel is fixed on the steel plate workbench through welding, and the other end of the middle horizontal supporting channel steel is connected to the longitudinal reinforcing channel steel in a welding mode; the transmission chain is meshed with three same middle transmission gears which are respectively positioned at the front, the middle and the back; the middle transmission shaft is connected with the middle transmission gear at the middle position of the front side and the rear side through a flat key; the ball bearing is coaxial with the middle transmission shaft and is welded with the bearing bracket; the transverse reinforcing channel steel is welded and connected with the vertical channel steel; the stud is used for fastening the vertical channel steel and the plate type bearing seat; the nut is matched with the fastening stud; the end part of the gear transmission shaft is fixed on the plate type bearing seat; the longitudinal fixed channel steel is welded and connected to the transverse reinforcing channel steel; the longitudinal reinforcing channel steel is welded and connected to the transverse reinforcing channel steel; one end of the middle horizontal supporting channel steel is welded on the steel plate workbench, and the other end of the middle horizontal supporting channel steel is welded with the longitudinal reinforcing channel steel; the guide pipe is welded with the rear end square plate; the rear end square plate is welded on the middle horizontal supporting channel steel.

2. The aluminum alloy profile pipe expanding tool according to claim 1, wherein the chain is meshed with the front, middle and rear end gears; the workbench vertical channel steel, the workbench longitudinal channel steel and the workbench transverse channel steel are used for supporting the steel plate workbench; the middle supporting frame is connected with the vertical bracket in a welding way; the base is connected with the vertical bracket in a welding way; the support flat plate is connected with the hoop in a welding way; the sliding rail is connected with the middle horizontal supporting channel steel in a welding mode; the hoop is nested on the sliding rail; the expansion pipe sleeve is in threaded connection with the solid pull rod; the balance lantern ring is connected with the solid pull rod and the balance rod through threads.

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