CN212121341U

CN212121341U - Finned tube production device

Info

Publication number: CN212121341U
Application number: CN202020606647.XU
Authority: CN
Inventors: 汪劦; 汤敏; 陈亮亮
Original assignee: Yizheng Haitian Aluminum Industrial Co ltd
Current assignee: Yizheng Haitian Aluminum Industrial Co ltd
Priority date: 2020-04-21
Filing date: 2020-04-21
Publication date: 2020-12-11
Anticipated expiration: 2030-04-21

Abstract

The utility model discloses a finned tube production device. The device includes left chuck, mould, right chuck and automatic play piece mechanism, and right chuck includes the fixed plate, and the fixed plate includes bottom plate and curb plate, and the bottom plate inner circle is provided with fixed pipe, is provided with the piston board between fixed pipe and the curb plate, and the curb plate is still supplementary to be decided the board of fixedly connected with, and supplementary fixed board supports stifled the piston board, supplementary fixed board, piston board, curb plate are formed with airtight space, and the fixed plate periphery is fixed with the hoop, is provided with a plurality of inlet ports on the hoop, and airtight space intercommunication has the gas outlet, still is provided with the roof on the piston board, roof protrusion in the piston board, the dislocation in supplementary fixed board, fixed pipe inner circle are fixed with inlet means, and the inlet means top is the toper, and the top is conical inlet means and can support. The utility model discloses the left chuck and the right chuck that set up can realize the stifled of support to the finned tube shrouding through atmospheric pressure, replace adopting the screw drive among the prior art, and the structure is more simple, and it is more convenient to operate.

Description

Finned tube production device

Technical Field

The utility model relates to a finned tube makes technical field, concretely relates to finned tube apparatus for producing.

Background

The finned tube is a heat exchange element, and in order to improve the heat exchange efficiency, the surface of the heat exchange tube is generally finned to increase the external surface area (or the internal surface area) of the heat exchange tube, so that the purpose of improving the heat exchange efficiency is achieved.

The existing technology for sleeving fins is to process a batch of single fins by a punch in advance, and then to sleeve the fins on the outer surface of a tube by interference according to a certain distance (fin distance) by a manual or mechanical method. However, when the fin is fitted by hand, since the fin is press-fitted with a limited force, the fitting interference is small, and the fin is likely to loosen. The existing Chinese patent No. 201410016773.9 discloses a device and a method for processing a finned tube, wherein the device is convenient for fins to be fixed on a seamless tube in a mode of tightly sealing threads of a left chuck and a right chuck, but certain friction exists in the mode of generating thread transmission by the rotation of a motor, so that the threads are loosened, and the production effect of the finned tube is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a simple structure, the apparatus for producing of the finned tube production of being convenient for to exist not enough among the above-mentioned background art.

In order to achieve the purpose, the utility model relates to a finned tube production device has adopted following technical scheme:

a finned tube production device comprises a left chuck, a die, a right chuck and an automatic piece discharging mechanism, wherein the die comprises an upper die and a lower die fixed on a workbench, the upper die and the lower die are respectively provided with a groove for fixing a finned tube and a fin, the left chuck and the right chuck are identical in structure, the right chuck comprises a fixed plate, the fixed plate comprises an integrally formed round bottom plate and a cylindrical side plate, the round bottom plate is hollow, a fixed tube is arranged in the bottom plate along the direction parallel to the side plate, a piston plate is arranged between the fixed tube and the side plate, the cross section of the piston plate is L-shaped, the piston plate is attached to the side plate and fixed tube, the piston plate can slide along the fixed tube, the side plate is also fixedly connected with an auxiliary fixed plate, the auxiliary fixed plate blocks the piston plate, the auxiliary fixed plate, the piston plate and the side plate form a closed space, and a hoop is fixed at, the hoop is close to the bottom plate, is provided with a plurality of inlet ports on the hoop, and the position facing to the inlet port is provided with the air inlet on the curb plate, airtight space intercommunication has the gas outlet, the piston plate is located the air inlet with between the gas outlet, still be provided with the roof on the piston plate, the roof protrusion in the piston plate misplaces in supplementary stationary plate, fixed pipe inner circle is fixed with inlet means, the inlet means top is the toper, and the top is conical inlet means and can supports into seamless pipe, the mould both sides are provided with the finned tube shrouding, the seamless pipe of finned tube shrouding laminating, the roof can support the finned tube shrouding.

Specifically, the last storage tank that supplies seamless pipe to insert to support that is provided with of inlet means. The setting of storage tank makes the sealed effect to seamless pipe better.

Specifically, the accommodating groove is gradually narrowed from outside to inside. The arrangement of the outer width and the inner width further ensures the sealing effect.

Specifically, the two side faces of the piston plate, which are respectively close to the air inlet and the air outlet, are provided with inclined planes. The inclined plane is arranged, so that the gas can push the piston, and the top plate can tightly push the finned tube sealing plate more conveniently.

Specifically, the lower end of the side plate is fixed with a sliding block, the sliding block is connected to the workbench in a sliding mode, and a limiting device used for limiting sliding of the sliding block is arranged on the workbench. The clamping of the module can be realized by the left clamping block and the right clamping block.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses the left chuck and the right chuck that set up can realize the stifled of support to the finned tube shrouding through atmospheric pressure, replace adopting the screw drive among the prior art, and the structure is more simple, and it is more convenient to operate.

2. The utility model discloses a feed liquor device is provided with the storage tank for sealed shutoff effect to seamless pipe is better, and then the more convenient fin mounting on seamless pipe.

Drawings

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

in the figure: 11 left clamping head, 12 right clamping head, 20 die, 21 upper die, 22 lower die, 23 finned tube sealing plate, 30 automatic part discharging mechanism, 40 workbench, 41 seamless tube, 42 slide block, 51 bottom plate, 52 side plate, 521 air inlet, 522 auxiliary fixed plate, 60 fixed tube, 70 piston plate, 71 top plate, 72 inclined plane, 80 hoop, 81 air inlet, 90 liquid inlet device and 91 accommodating groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1, a finned tube production apparatus includes a left chuck 11, a mold 20, a right chuck 12 and an automatic part discharging mechanism 30, where the mold 20 includes an upper mold 21 and a lower mold 22 fixed on a workbench 40, the upper mold 21 and the lower mold 22 are both provided with grooves for fixing finned tubes and fins, the left chuck and the right chuck have the same structure, the right chuck 12 includes a fixing plate, the fixing plate includes an integrally formed circular bottom plate 51 and a cylindrical side plate 52, the circular bottom plate 51 is hollow, a fixing tube 60 is arranged in a direction parallel to the side plate 52 in an inner ring of the bottom plate 51, a piston plate 70 is arranged between the fixing tube 60 and the side plate 52, the cross section of the piston plate 70 is L-shaped, the piston plate 70 is attached to the side plate 52 and the fixing tube 60, the piston plate 70 can slide along the fixing tube 60, the side plate 52 is further fixedly connected with an auxiliary fixing plate 522, the auxiliary fixing plate 522 abuts against and, the auxiliary fixed plate 522, the piston plate 70 and the side plate 52 form a closed space, the fixing plate is fixed with a hoop 80 at the periphery, the hoop 80 is close to the bottom plate 51, the hoop 80 is provided with a plurality of air inlet holes 81, the position of the side plate opposite to the air inlet holes is provided with an air inlet 521, the closed space is communicated with an air outlet (not shown in the figure), the piston plate is positioned between the air inlet and the air outlet, the piston plate 70 is further provided with a top plate 71, the top plate 71 protrudes out of the piston plate 70 and is dislocated from the auxiliary fixed plate 522, the inner ring of the fixed pipe 60 is fixed with a liquid inlet device 90, the top of the liquid inlet device 90 is conical, the liquid inlet device with the conical top can be propped into the seamless pipe 41, the finned tube seal plates 23 are arranged on two sides of the die and attached to seamless tubes, and the top plate 71 can abut against the finned tube seal plates 23. And the liquid inlet device is provided with a containing groove 91 for inserting and abutting the seamless pipe. The accommodating groove 91 is gradually narrowed from the outside to the inside. The piston plate 70 is provided with inclined planes 72 on two side surfaces respectively close to the air inlet and the air outlet. The automatic ejection mechanism 30 is a piston type pushing structure. The lower end of the side plate is fixed with a sliding block 42 which is connected to the workbench in a sliding manner, and the workbench is provided with a limiting device for limiting the sliding of the sliding block. Or a telescopic cylinder is arranged outside the circular plate, and the sliding and the static of the sliding block are realized by the telescopic cylinder.

The utility model discloses a theory of operation does: arranging fins in grooves of a lower die, placing a seamless tube on the lower die, covering an upper die with the fins on the lower die, surrounding the upper die and the lower die, controlling finned tube sealing plates to abut against gaps of the upper die and the lower die, controlling a left clamp and a right clamp to move, clamping and sealing two ends of the seamless tube, inserting the seamless tube into a containing groove, allowing air to enter through an air inlet and an air inlet, pushing a piston plate to move, pushing the finned tube sealing plates tightly by a top plate, ensuring the sealing performance of the die, injecting high-pressure liquid into a liquid inlet device, continuously increasing the pressure in the inner cavity of the seamless tube, fixing the fins and the seamless tube in the cavity of the die by the die, enabling the fixed seamless tube to expand and deform under the constraint of the die and be tightly combined with the fins to form a target product finned tube, then discharging the die, and pushing the finned tube out by an automatic.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a finned tube apparatus for producing, includes left chuck, mould, right chuck and automatic play a mechanism, the mould comprises last mould and the lower mould of fixing on the workstation, last mould and lower mould all are equipped with the recess that is used for fixed finned tube and fin, its characterized in that: the left chuck and the right chuck are identical in structure, the right chuck comprises a fixed plate, the fixed plate comprises a circular bottom plate and a cylindrical side plate which are integrally formed, the circular bottom plate is hollow, a fixed pipe is arranged on the inner ring of the bottom plate along the direction parallel to the side plate, a piston plate is arranged between the fixed pipe and the side plate, the cross section of the piston plate is L-shaped, the piston plate is attached to the side plate and the fixed pipe, the piston plate can slide along the fixed pipe, the side plate is also fixedly connected with an auxiliary fixed plate, the auxiliary fixed plate abuts against and blocks the piston plate, a closed space is formed by the auxiliary fixed plate, the piston plate and the side plate, a hoop is fixed on the periphery of the fixed plate and is close to the bottom plate, a plurality of air inlet holes are formed in the hoop, an air inlet is formed in the position, opposite to the air inlet holes, of, still be provided with the roof on the piston plate, roof protrusion in the piston plate misplaces in supplementary fixed plate, fixed pipe inner circle is fixed with inlet means, the inlet means top is the toper, and the top is conical inlet means and can supports into seamless pipe, the mould both sides are provided with the finned tube shrouding, the seamless pipe of finned tube shrouding laminating, the roof can support the finned tube shrouding.

2. The finned tube production apparatus as claimed in claim 1, wherein: and a containing groove for the seamless pipe to be inserted and abutted is arranged on the liquid inlet device.

3. The finned tube production apparatus as claimed in claim 2, wherein: the accommodating groove is gradually narrowed from outside to inside.

4. The finned tube production apparatus as claimed in claim 1, wherein: inclined planes are arranged on two side faces, close to the air inlet and the air outlet, of the piston plate respectively.

5. The finned tube production apparatus as claimed in claim 1, wherein: the side plate lower extreme is fixed with the slider, slider sliding connection in workstation, be provided with stop device on the workstation and be used for restricting the slip of slider.