CN211803236U

CN211803236U - Bending mechanism for heat exchanger heat exchange fins

Info

Publication number: CN211803236U
Application number: CN201922148219.7U
Authority: CN
Inventors: 胥金龙; 胥标; 刘鑫
Original assignee: Sichuan Hylx Technology Co ltd
Current assignee: Sichuan Hylx Technology Co ltd
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2020-10-30
Anticipated expiration: 2029-12-04

Abstract

The utility model discloses a bending mechanism for heat exchanger heat exchange fins, which comprises an L-shaped workbench, wherein the L-shaped workbench is connected with supporting legs, an electric cylinder and a moving block, the moving block is provided with a plurality of first T-shaped slots, the first T-shaped slots are matched with a moving bending part, the moving bending part comprises a first T-shaped block, a first top block, a first U-shaped slot and an A pulley, the L-shaped workbench is fixedly provided with a fixed block, the fixed block is provided with a second T-shaped slot corresponding to the first T-shaped slot, the second T-shaped slot is matched with a fixed bending part, the fixed bending part comprises a second T-shaped block, a U-shaped block, a second U-shaped slot and a B pulley, A rectangular through holes are arranged at two ends of the fixed block, a position limiting block is matched with the A rectangular through holes, a plurality of B rectangular through holes are arranged on the position limiting block, the position limiting block is connected with a top block, the fixing block is provided with a rectangular hole, and the rectangular hole is matched with a rectangular inserting strip.

Description

Bending mechanism for heat exchanger heat exchange fins

Technical Field

The utility model belongs to the heat exchanger field, concretely relates to heat exchanger heat transfer fin is with mechanism of bending.

Background

The finned heat exchanger is a heat exchange device which cools air by a refrigerant (low-temperature water or salt water) and heats air by a heating medium (steam or high-temperature water or oil), and is widely applied to equipment such as air conditioners, refrigerators and the like. The core component of the finned heat exchanger, namely the finned tube, achieves the purpose of enhancing heat transfer after fins are additionally arranged on a base tube through a professional machine, and in order to reduce the volume and facilitate installation, the finned tube needs to be bent and even bent into a coiled tube. The method for manufacturing the finned tube in the prior finned heat exchanger generally comprises the steps of prefabricating a section of straight tube, bending the straight tube to form an elbow, welding the spiral fin on the straight tube with the elbow in a sleeved mode, and then assembling and welding.

At present, the mature method in production is to bend the finned tube by manually holding the finned tube, and the mode has higher technical requirements on workers and is not suitable for the public; there is also a dedicated bending device, but the cost of purchasing, maintaining and maintaining such a device is high, and the electrical device is also prone to failure, the economy is not high, the debugging of the device is also testable to the skill of the operator, and the rapid die change is the mainstream in the large environment in which rapid and efficient production is pursued today.

Based on the above problem, a bending mechanism for heat exchanger heat exchange fins is provided.

SUMMERY OF THE UTILITY MODEL

To the problem that the above-mentioned background art provided, the utility model aims at: aiming at providing a bending mechanism for heat exchange fins of a heat exchanger.

In order to realize the technical purpose, the utility model discloses a technical scheme as follows:

a bending mechanism for a heat exchanger heat exchange fin comprises an L-shaped workbench, wherein the L-shaped workbench is connected with support legs, two electric cylinders are fixedly arranged on the L-shaped workbench, the output ends of the two electric cylinders are connected with a moving block in a matching manner, the moving block is provided with a plurality of first T-shaped slots, the first T-shaped slots are matched with a moving bending part, the moving bending part comprises two first T-shaped blocks matched with the first T-shaped slots, the two first T-shaped blocks are connected with a first top block in a matching manner, the first top block is provided with a first U-shaped groove, the first U-shaped groove is connected with an A pulley in a bearing manner, the L-shaped workbench is fixedly provided with a fixed block, the fixed block is provided with a second T-shaped slot corresponding to the first T-shaped slot in position, the second T-shaped slot is matched with a fixed bending part, the fixed bending part comprises two second T-shaped blocks matched with the second T-shaped slot, the U type piece that matches with first kicking block is connected in the lump to second T type piece, two second U type grooves have been seted up to U type piece, second U type groove bearing is connected with the B pulley, A rectangle through-hole has been seted up at the fixed block both ends, A rectangle through-hole matches there is the position limiting block, a plurality of B rectangle through-holes have been seted up to the position limiting block, the position limiting block is connected with the kicking block, the rectangular hole of A rectangle through-hole both sides is seted up and is run through to the fixed block, rectangular hole matches the rectangle cutting that has the size matching with B rectangle through-hole.

Further, the movable bending component and the fixed bending component are provided with a plurality of sets, and the specifications of each set are inconsistent, so that the application range is increased by the design.

Further limit, the rectangle cutting is connected with the piece of conveniently getting, and the drawing and inserting of rectangle cutting is convenient for to such design.

Further inject, the shock pad is installed to the supporting leg, and such design increases the shock attenuation effect.

Further, the first T-shaped slot is in clearance fit with the first T-shaped block, and the second T-shaped slot is in clearance fit with the second T-shaped block, so that the design is improved in stability.

Adopt the beneficial effects of the utility model:

1. by adopting the structural design of the utility model, the technical capability of workers does not need to be excessively required, and the application range is wide;

2. by adopting the structural design of the utility model, no complex electric element is contained, the failure probability is low, the structure is simple, the acquisition cost is low, and the economy is high;

3. adopt the utility model discloses a structural design directly removes the finned tube that the part of bending and the fixed part of bending just can be applicable to different specifications through changing, and the retooling is efficient, and production efficiency is high.

Drawings

The present invention can be further illustrated by the non-limiting examples given in the accompanying drawings;

fig. 1 is a schematic structural diagram of an embodiment of a bending mechanism for heat exchanger heat exchange fins of the present invention;

fig. 2 is a schematic cross-sectional view of a portion a in fig. 1.

The main element symbols are as follows:

the device comprises an L-shaped workbench 1, support legs 2, an electric cylinder 3, a moving block 4, a first T-shaped slot 5, a moving bending part 6, a first T-shaped block 61, a first ejector block 62, a first U-shaped groove 63, an A pulley 64, a fixing block 7, a second T-shaped slot 8, a fixing bending part 9, a second T-shaped block 91, a U-shaped block 92, a second U-shaped groove 93, a B pulley 94, an A rectangular through hole 10, a position limiting block 11, a B rectangular through hole 12, an ejector block 13, a rectangular hole 14, a rectangular insertion strip 15 and a convenient-to-take block 16.

Detailed Description

In order to make the present invention better understood by those skilled in the art, the technical solutions of the present invention are further described below with reference to the accompanying drawings and examples.

As shown in figures 1 and 2, the bending mechanism for heat exchanger heat exchange fins of the utility model comprises an L-shaped workbench 1, the L-shaped workbench 1 is connected with supporting legs 2, the L-shaped workbench 1 is fixedly provided with two electric cylinders 3, the output ends of the two electric cylinders 3 are connected with a moving block 4 together, the moving block 4 is provided with a plurality of first T-shaped slots 5, the first T-shaped slots 5 are matched with a movable bending part 6, the movable bending part 6 comprises two first T-shaped blocks 61 matched with the first T-shaped slots 5, the two first T-shaped blocks 61 are connected with a first top block 62 together, the first top block 62 is provided with a first U-shaped slot 63, the first U-shaped slot 63 is connected with an A pulley 64 through a bearing, the L-shaped workbench 1 is fixedly provided with a fixed block 7, the fixed block 7 is provided with a second T-shaped slot 8 corresponding to the position of the first T-shaped slot 5, the second T-shaped slot 8 is matched with a fixed bending part 9, fixed bending part 9 includes two second T type pieces 91 that match with second T type slot 8, U type piece 92 that matches with first kicking block 62 is connected in the lump to second T type piece 91, two second U type grooves 93 have been seted up to U type piece 92, second U type groove 93 bearing is connected with B pulley 94, A rectangle through-hole 10 has been seted up at fixed block 7 both ends, A rectangle through-hole 10 matches there is position limiting block 11, position limiting block 11 has seted up a plurality of B rectangle through-holes 12, position limiting block 11 is connected with kicking block 13, fixed block 7 has been seted up and has been run through the rectangular hole 14 of A rectangle through-hole 10 both sides, rectangular hole 14 matches the rectangle cutting 15 that has the size matching with B rectangle through-hole 12.

In the embodiment, when the bending mechanism for the heat exchange fins of the heat exchanger is used, a worker firstly selects a proper movable bending part 6 and a proper fixed bending part 9 according to the finned tubes to be bent, then places a first T-shaped block 61 in a first T-shaped slot 5, places a second T-shaped block 91 in a second T-shaped slot 8, and adjusts the depth of the finned tubes to be bent, wherein the specific adjustment mode is that a rectangular insertion strip 15 is taken out, a position limiting block 11 is moved to a proper distance in an A rectangular through hole 10, the rectangular insertion strip 15 is inserted into the front end of a rectangular hole 14, penetrates through a B rectangular through hole 12 and then enters the tail end of the rectangular hole 14 to be fixed, and then the bending mechanism can be used; when the finned tube bending machine is used, the finned tube is prevented from being held between the pulley A64 and the pulley B94, the electric cylinder 3 is controlled to drive the moving block 4 to move forwards, the finned tube is bent under the mutual matching of the moving bending part 6 and the fixed bending part 9, when the moving block 4 contacts the ejector block 13 and stops moving, the finned tube is bent, the electric cylinder 3 is controlled to move backwards, the finned tube is taken out, and the next finned tube is replaced by repeating the same operation.

Preferably, the movable bending part 6 and the fixed bending part 9 are provided with a plurality of sets, and each set has different specifications, so that the application range is increased, and in fact, the specification can be customized according to specific conditions.

The rectangular cutting 15 is preferably connected with a convenient-taking block 16 to facilitate the extraction and insertion of the rectangular cutting 15, and in fact, other methods for facilitating the extraction and insertion of the rectangular cutting can be considered according to specific situations.

Preferably, the supporting leg 2 is provided with a shock pad to increase the shock absorption effect, and in fact, other shock absorption modes can be considered according to specific situations.

Preferably, the first T-shaped slot 5 is in clearance fit with the first T-shaped block 61, and the second T-shaped slot 8 is in clearance fit with the second T-shaped block 91, so as to increase stability, and actually, the size of the clearance fit can be considered according to specific situations.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides a heat exchanger heat transfer fin is with mechanism of bending, includes L type workstation (1), its characterized in that: the L-shaped workbench (1) is connected with supporting legs (2), the L-shaped workbench (1) is fixedly provided with two electric cylinders (3), the output ends of the two electric cylinders (3) are connected with a moving block (4) in a combined manner, the moving block (4) is provided with a plurality of first T-shaped slots (5), the first T-shaped slots (5) are matched with a moving bending part (6), the moving bending part (6) comprises two first T-shaped blocks (61) matched with the first T-shaped slots (5), the two first T-shaped blocks (61) are connected with a first ejecting block (62) in a combined manner, the first ejecting block (62) is provided with a first U-shaped slot (63), the first U-shaped slot (63) is connected with an A pulley (64) through a bearing, the L-shaped workbench (1) is fixedly provided with a fixing block (7), the fixing block (7) is provided with a second T-shaped slot (8) corresponding to the first T-shaped slot (5), the fixed part (9) of bending that has been matchd in second T type slot (8), fixed part (9) of bending includes two second T type pieces (91) that match with second T type slot (8), U type piece (92) that match with first kicking block (62) are connected in the lump to second T type piece (91), two second U type grooves (93) have been seted up to U type piece (92), second U type groove (93) bearing connection has B pulley (94), A rectangle through-hole (10) have been seted up at fixed block (7) both ends, A rectangle through-hole (10) match has position limit block (11), a plurality of B rectangle through-hole (12) have been seted up in position limit block (11), position limit block (11) are connected with kicking block (13), fixed block (7) have been seted up and have been run through rectangle hole (14) of A rectangle through-hole (10) both sides, rectangle hole (14) match have with the cutting (15) that B rectangle through-hole (12) size matches.

2. The bending mechanism for the heat exchange fins of the heat exchanger as claimed in claim 1, wherein: the movable bending component (6) and the fixed bending component (9) are provided with a plurality of sets, and the specifications of each set are different.

3. The bending mechanism for the heat exchange fins of the heat exchanger as claimed in claim 2, wherein: the rectangular inserting strip (15) is connected with a convenient taking block (16).

4. The bending mechanism for the heat exchange fins of the heat exchanger as claimed in claim 3, wherein: and the supporting legs (2) are provided with shock pads.

5. The bending mechanism for the heat exchange fins of the heat exchanger as claimed in claim 4, wherein: the first T-shaped slot (5) is in clearance fit with the first T-shaped block (61), and the second T-shaped slot (8) is in clearance fit with the second T-shaped block (91).