Bent pipe bending device for heat exchanger

Abstract

The utility model relates to the technical field of heat exchangers, in particular to a bent pipe bending device for a heat exchanger, which overcomes the defect of low manufacturing efficiency in the prior art and comprises a base, a propeller is arranged above the base, a clamp holder is arranged on the inner side of the propeller, a clamping jaw is fixedly mounted on the inner side of the clamp holder, and the clamping jaw is fixed on the base. A first group of clamping assemblies are arranged in the base, a second group of clamping assemblies are arranged in the propeller, a third group of clamping assemblies are arranged in the propeller, a copper pipe is clamped in a clamping jaw, a rotator is arranged above the base, a first group of bending grooves are formed in the upper portion of the rotator, and a second group of bending grooves are formed in the upper portion of the rotator; a third group of bending grooves are formed in the upper portion of the rotator, a connecting plate is fixedly installed above the third group of bending grooves, and a telescopic cylinder is fixedly installed at the bottom of the connecting plate.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat exchanger technical field, concretely for a kind of bent pipe bending device for heat exchanger. BACKGROUND

[0002] Heat exchanger is used to make heat transfer from hot fluid to cold fluid to meet the specified process requirements, is a kind of industrial application of heat conduction and heat conduction. Heat exchanger can be classified according to different ways. According to its operating process, it can be divided into three categories of mixed type, regenerative type;According to its surface compactness, it can be divided into compact type and non-compact type.

[0003] The existing copper pipe bending of heat exchanger is usually single bending equipment, for example, in 201922076597.9, only one copper pipe can be bent each time, which leads to slow processing and time waste, and the bending angle of the bent pipe of the heat exchanger is the same, so increasing the number of bending in the same batch can improve the bending speed and improve the production processing efficiency.

[0004] Therefore, it is necessary to design a bent pipe bending device for heat exchanger with high practicability and processing efficiency. SUMMARY

[0005] The utility model discloses a kind of bent pipe bending devices for heat exchanger, to solve the problem raised in above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of bent pipe bending device for heat exchanger, including base, the top of the base is provided with propeller, the inner side of the propeller is provided with gripper, the inner side of the gripper is fixedly installed with jaw, the inside of the propeller is provided with second group of clamping components, the inside of the propeller is provided with third group of clamping components, the inside of the jaw is clamped with copper pipe.

[0007] According to the above technical scheme, the top of the base is provided with rotator, the top of the rotator is provided with first group of bending groove, the top of the rotator is provided with second group of bending groove, the top of the rotator is provided with third group of bending groove.

[0008] According to the above technical scheme, the top of the third group of bending groove is fixedly installed with connecting plate, the bottom of the connecting plate is fixedly installed with telescopic cylinder, the bottom of the telescopic cylinder is provided with first air cylinder, the air rod end of the first air cylinder is fixedly installed with first reinforcing device, the rear side of the first reinforcing device is provided with fixed plate, the rear side of the fixed plate is provided with first clamping groove.

[0009] According to the technical scheme, the front of the base is fixed with a control bin, the inside of the control bin is fixedly installed with a second air cylinder, the air rod end of the second air cylinder is provided with a second reinforcing device, and the upper side of the second reinforcing device is provided with a third air cylinder.

[0010] According to the technical scheme, the air rod end of the third air cylinder is provided with a pushing plate, and the inside of the pushing plate is fixedly installed with a second clamping groove.

[0011] Compared with the prior art, the utility model has the advantages of:

[0012] (1) The inside of the clamping jaw is clamped with a copper pipe, the heat exchange copper pipe has two specifications, workers transport the copper pipe by using the machine, then the clamping device pushes the clamping jaw inwards to clamp, the third clamping assembly has the same clamping specification as the top clamping jaw, and the second clamping assembly can clamp thicker copper pipes, so that the effect of bending multiple copper pipes at a time is realized, and the processing efficiency is improved.

[0013] (2) The inside of the clamping jaw is clamped with a copper pipe, the heat exchange copper pipe has two specifications, workers transport the copper pipe by using the machine, then the clamping device pushes the clamping jaw inwards to clamp, the third clamping assembly has the same clamping specification as the top clamping jaw, and the second clamping assembly can clamp thicker copper pipes, so that the effect of bending multiple copper pipes at a time is realized, and the processing efficiency is improved.

[0014] (3) The second clamping groove is arranged, so that the front clamping jaw cannot be used to stably clamp the rear section of the copper pipe during bending, and the bent copper pipe needs to be fixed by the second clamping groove, at this time, the second air cylinder retracts the air rod to drive the second reinforcing device to displace inwards, so that the top second clamping groove is clamped and fixed, the bending success rate is improved, and the second clamping groove is used to clamp the copper pipe in the groove and pull the copper pipe during bending, so that the third air cylinder pushes the air rod to drive the second clamping groove to displace leftwards synchronously, so that the bending is smoothly realized and the copper pipe is not accidentally bent, and the bending efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is the front three-dimensional structure schematic diagram of the utility model as a whole;

[0016] Fig. 2 It is the back three-dimensional structure schematic diagram of the utility model as a whole;

[0017] Fig. 3 It is the right three-dimensional structure schematic diagram of the utility model as a whole;

[0018] In the figure: 1, base; 2, pusher; 3, holder; 4, clamping jaw; 5, second set of clamping assembly; 6, third set of clamping assembly; 7, copper pipe; 8, rotator; 9, first set of bending groove; 10, second set of bending groove; 11, third set of bending groove; 12, connecting plate; 13, telescopic cylinder; 14, first air cylinder; 15, first reinforcing device; 16, fixed plate; 17, first clamping groove; 18, control bin; 19, second air cylinder; 20, second reinforcing device; 21, third air cylinder; 22, push plate; 23, second clamping groove. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0020] Please refer to Figs. 1-3 The utility model provides technical scheme: a kind of bent pipe bending device for heat exchanger, including base 1, the top of base 1 is provided with pusher 2, the inside of pusher 2 is provided with holder 3, the inside of holder 3 is fixedly installed with clamping jaw 4, the inside of pusher 2 is provided with second set of clamping assembly 5, the inside of pusher 2 is provided with third set of clamping assembly 6, the inside of clamping jaw 4 is clamped with copper pipe 7, the heat exchanger's heat dissipation copper pipe 7 has two specifications, worker transports copper pipe 7 using machine, then holder 3 is pushed to the inside clamping jaw 4 is clamped, third set of clamping assembly 6 and top clamping jaw 4 clamping specification are same, second set of clamping assembly 5 can clamped thicker copper pipe 7, reach the effect that multiple copper pipes 7 are bent once bending operation is realized, improve processing efficiency;

[0021] The top of base 1 is provided with rotator 8, the top of rotator 8 is provided with first set of bending groove 9, the top of rotator 8 is provided with second set of bending groove 10, the top of rotator 8 is provided with third set of bending groove 11, after clamping copper pipe 7, pusher 2 drives copper pipe 7 to displace rear position, to insert three copper pipes 7 into the inside of first set of bending groove 9, second set of bending groove 10, third set of bending groove 11 respectively, wait to bend, reach the effect that the same batch operation is divided into groove bending, improve bending efficiency, adapt to the effect of different specifications copper pipe 7, then rotator 8 will drive three grooves to rotate together, bend;

[0022] The upper portion of the third set of curved grooves 11 is fixedly provided with a connecting plate 12, the bottom of the connecting plate 12 is fixedly provided with a telescopic cylinder 13, the bottom of the telescopic cylinder 13 is provided with a first air cylinder 14, the air rod end of the first air cylinder 14 is fixedly provided with a first reinforcing device 15, the rear side of the first reinforcing device 15 is provided with a fixed plate 16, the rear side of the fixed plate 16 is provided with a first clamping groove 17, when the rotator 8 rotates, the connecting plate 12 will rotate together, since the three curved grooves can be disassembled and replaced, the telescopic cylinder 13 can be lengthened or shortened to adapt to the thickness of the curved groove, when the copper pipe 7 is inserted into the curved groove, the first air cylinder 14 will retract the air rod to displace the first clamping groove 17 corresponding to the curved groove to the rear side through the first reinforcing device 15 and the fixed plate 16 to fix the head of the copper pipe 7, then follow the rotator 8 to rotate, the rear section of the copper pipe 7 not clamped will be bent around the groove outside the three curved grooves to achieve the bending effect;

[0023] The front of the base 1 is fixedly provided with a control bin 18, the inside of the control bin 18 is fixedly provided with a second air cylinder 19, the air rod end of the second air cylinder 19 is provided with a second reinforcing device 20, the upper portion of the second reinforcing device 20 is provided with a third air cylinder 21, in order to prevent the front clamping jaw 4 from being unable to stably clamp the rear section of the copper pipe 7 when bending, it is necessary to fix the fiber at the bending position when pulling and bending the copper pipe 7, at this time, the second air cylinder 19 will retract the air rod to displace the rear side of the second reinforcing device 20, so as to clamp and fix through the second clamping groove 23 on the top, prevent skewing and improve the success rate of bending;

[0024] The air rod end of the third air cylinder 21 is provided with a pushing plate 22, the inside of the pushing plate 22 is fixedly provided with a second clamping groove 23, since the copper pipe 7 will be pulled when bending, the second clamping groove 23 will displace the second clamping groove 23 to the left synchronously through the pushing plate 22 when clamping the copper pipe 7 in the curved groove to pull and bend, so as to smoothly realize bending and prevent the copper pipe 7 from being accidentally bent tail, improve the bending efficiency.

[0025] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced in the present application. Any reference signs in the claims should not be considered as limiting the claims involved.

Claims

1. A bending device for bending a tube for a heat exchanger, comprising a base (1), characterized in that: The upper portion of the base (1) is provided with a propeller (2), the inner side of the propeller (2) is provided with a holder (3), the inner side of the holder (3) is fixedly installed with a clamping jaw (4), the inside of the propeller (2) is provided with a second set of clamping assemblies (5), the inside of the propeller (2) is provided with a third set of clamping assemblies (6), the inside of the clamping jaw (4) clamps a copper pipe (7), the upper portion of the base (1) is provided with a rotator (8), the upper portion of the rotator (8) is provided with a first set of bending grooves (9), the upper portion of the rotator (8) is provided with a second set of bending grooves (10), the upper portion of the rotator (8) is provided with a third set of bending grooves (11), the upper portion of the third set of bending grooves (11) is fixedly installed with a connecting plate (12), the bottom of the connecting plate (12) is fixedly installed with a telescopic cylinder (13), the bottom of the telescopic cylinder (13) is provided with a first air cylinder (14), the air rod end of the first air cylinder (14) is fixedly installed with a first reinforcing device (15), the rear side of the first reinforcing device (15) is provided with a fixed plate (16), the rear side of the fixed plate (16) is provided with a first clamping groove (17).

2. A bend bending device for a heat exchanger according to claim 1, characterized in that: The front of the base (1) is fixedly installed with a control bin (18), the inside of the control bin (18) is fixedly installed with a second air cylinder (19), the air rod end of the second air cylinder (19) is provided with a second reinforcing device (20), the upper portion of the second reinforcing device (20) is provided with a third air cylinder (21).

3. A bend bending device for a heat exchanger according to claim 2, characterized in that: The air rod end of the third air cylinder (21) is provided with a propelling plate (22), the inner side of the propelling plate (22) is fixedly installed with a second clamping groove (23).

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