CN114273727A - Inserted sheet microchannel heat exchanger fin cutting device - Google Patents
Inserted sheet microchannel heat exchanger fin cutting device Download PDFInfo
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- CN114273727A CN114273727A CN202111553627.6A CN202111553627A CN114273727A CN 114273727 A CN114273727 A CN 114273727A CN 202111553627 A CN202111553627 A CN 202111553627A CN 114273727 A CN114273727 A CN 114273727A
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Abstract
The invention relates to the technical field of heat exchanger fin processing equipment, in particular to an insert piece microchannel heat exchanger fin cutting device which comprises a rack, a fixing mechanism and a cutting mechanism, wherein the fixing mechanism and the cutting mechanism are matched for use, the fixing mechanism comprises a workbench and a fixing part, the workbench is arranged on the rack and comprises a first workbench plate, a second workbench plate and an installation plate, the installation plate is arranged between the first workbench plate and the second workbench plate, the fixing part is detachably connected with the installation plate, one side of the fixing part is provided with a plurality of parallel square convex blocks, clamping grooves are formed between the adjacent square convex blocks, the clamping grooves of the adjacent fixing parts are in one-to-one correspondence, and the device is compact in structure, good in cutting effect and high in production efficiency; is a suitable way for solving the problem of the inserted-sheet type parallel flow heat exchanger with short fins.
Description
Technical Field
The invention relates to the technical field of heat exchanger fin processing equipment, in particular to an insert piece micro-channel heat exchanger fin cutting device.
Background
The aluminum fins used in the all-aluminum microchannel inserted sheet type parallel flow heat exchanger are obtained by continuously stamping strip aluminum thin strips, in order to fully utilize materials during stamping, the distribution scheme of the aluminum fins is that two comb-shaped aluminum fins are symmetrically distributed, the comb-shaped aluminum fins and the microchannel aluminum flat tubes are clamped into a heat exchanger core assembly, the fins are divided into an upper group and a lower group for layered conveying and assembling, and in order to enable the fins to be stably conveyed and assembled in a layered mode, the length of a single fin is not short. In actual use, however, there are still some models of short-fin heat exchangers required. The contradiction between the two is a technical obstacle for limiting the popularization and the application of the all-aluminum type microchannel insert-type parallel flow heat exchanger.
Disclosure of Invention
In order to solve the technical problems, the invention provides a fin cutting device for an insert micro-channel heat exchanger, which can directly cut and process a heat exchanger core assembly of an assembled flat tube and a long fin into a heat exchanger core assembly suitable for a short fin heat exchanger.
In order to achieve the purpose, the technical scheme of the invention is as follows:
the utility model provides an inserted sheet microchannel heat exchanger fin cutting device, includes the frame, still includes fixed establishment, cutting mechanism, fixed establishment and cutting mechanism cooperate the use, fixed establishment is including installing workstation and mounting in the frame, the workstation includes first workstation board, second workstation board and mounting panel, the mounting panel is established first workstation board with between the second workstation board, mounting detachably connects the mounting panel, one side of mounting is equipped with a plurality of parallel square convex blocks, and is adjacent form the draw-in groove between the square convex block, it is adjacent the draw-in groove one-to-one of mounting. Through using the device, with the back in the draw-in groove of the adjacent mounting of inserted sheet heat exchanger core subassembly joint on the workstation, when making cutting mechanism cut off the fin on the subassembly along the straight line, the subassembly is difficult for displacement and deformation to take place crooked, realizes quick accurate cutting.
As a preferable scheme of the present invention, a trapezoidal bump is disposed on an upper surface of the square bump, three side surfaces of the trapezoidal bump are extension surfaces of the three side surfaces of the square bump, a lower bottom surface of the trapezoidal bump is larger than an upper bottom surface and smaller than the upper surface of the square bump, and another side surface of the trapezoidal bump is an inclined surface. Adopt above-mentioned technical scheme, insert and take out the flat tub of tip of inserted sheet formula heat exchanger core subassembly and prevent rocking of subassembly when the cutting from the draw-in groove conveniently.
In a preferred embodiment of the present invention, the slope of the inclined surface is 15 to 80 °.
As a preferable scheme of the present invention, the mounting plate is provided with a first slide rail with a first slide block, the first slide block is fixed on the first slide rail through a first screw, and the fixing member is fixed above the first slide block through a second screw. Through the technical scheme, the scutching of the adjacent fixing pieces can be flexibly and conveniently adjusted, and the adaptation of the inserted sheet type heat exchanger core body assemblies with different widths is met.
As a preferable scheme of the invention, the cutting mechanism comprises a gantry rail and a cutter mechanism, the cutter mechanism comprises an air cylinder, a cutter fixing component and a cutter, the gantry rail is provided with a gantry slide rail with a second slide block, a steering mechanism is mounted on the second slide block, the air cylinder is mounted on the steering mechanism, the cutter fixing component is mounted on a telescopic rod of the air cylinder through a component fixing plate, the cutter is mounted in the cutter fixing component, two sides of the workbench are respectively provided with a third slide rail provided with a third slide block, the two third slide rails are parallel to each other, a bearing block is arranged on the third slide block, and the gantry rail is mounted on the bearing block. Through above-mentioned technical scheme, use through the cooperation that utilizes longmen track and cutter mechanism, more make things convenient for accurate messenger cutter mechanism to carry out the cutting to inserting piece formula heat exchanger core subassembly.
As a preferable aspect of the present invention, the steering mechanism includes a transverse fixing plate and a longitudinal fixing plate connected to the transverse fixing plate, and the cylinder is mounted on the longitudinal fixing plate. Through the technical scheme, the cutting mechanism is more compact and reasonable.
As a preferable scheme of the present invention, the cutter fixing assembly includes a first cutter fixing plate and a second cutter fixing plate, the second cutter fixing plate is fixed on the first cutter fixing plate by a screw, the first cutter fixing plate is provided with a cutter groove, the cutter is installed in the cutter groove, the first cutter fixing plate and the second cutter fixing plate are both provided with a plurality of positioning holes, the first cutter fixing plate and the second cutter fixing plate are correspondingly provided with a plurality of positioning screw holes, and the assembly positioning plate is also provided with a plurality of positioning screw holes. Through above-mentioned technical scheme, carry out quick fixed to the position of cutter.
As a preferable scheme of the invention, two sides of the workbench are respectively provided with a fixing plate, the fixing plates are connected with the bearing blocks, and the front part and the rear part of each fixing plate are respectively connected with the first workbench plate and the second workbench plate through screws or studs. Through above-mentioned technical scheme, fixed plate locking third slider installs cutting mechanism on the workstation more firm for cutting mechanism moves more steadily, improves the cutting quality.
As a preferable scheme of the present invention, the fixing plate is provided with a plurality of fixing plate positioning holes, both the two bearing blocks are connected to the connecting block, the connecting block is provided with a plurality of connecting block positioning holes, and the fixing plate and the connecting block are fixed by passing through the connecting block positioning holes and the fixing plate positioning holes by positioning pins. Through above-mentioned technical scheme, with the locating pin with cutting mechanism both ends location, the locating pin plug is convenient, the reinforcing location that the homoenergetic was convenient when making cutting mechanism along the displacement of third slide rail to different positions.
The invention achieves the following beneficial effects:
1. the device has compact structure, good cutting effect and high production efficiency;
2. the device can be used for directly cutting and processing the whole heat exchanger core body assembly of the assembled flat tube and the long fin into a plurality of heat exchanger core body assemblies suitable for the short fin heat exchanger, and is a suitable mode for solving the problem of the inserted sheet type parallel flow heat exchanger with the short fin.
Drawings
FIG. 1 is a schematic top view of a fin cutting apparatus for an insert microchannel heat exchanger;
FIG. 2 is a schematic perspective view of a fin cutting device of an insert micro-channel heat exchanger;
FIG. 3 is an enlarged view of a portion of FIG. 2A;
FIG. 4 is a schematic structural view of a fixing member and a first slider;
FIG. 5 is a schematic view of the construction of the cutter fixing assembly and the second slider;
FIG. 6 is an exploded view of the cutter mounting assembly and the second slider;
fig. 7 is a partial enlarged view at B of fig. 2;
in the figure: 1. a frame; 2. a cutting mechanism; 3. a heat exchanger core assembly; 4. a fin; 5. flat tubes; 6. a fixing member; 7. a first work deck; 8. a second work deck; 9. mounting a plate; 10. a square bump; 11. a card slot; 12. a trapezoidal bump; 13. a first slider; 14. a first slide rail; 15. a first screw; 16. a second screw; 17. a gantry track; 18. a cutter mechanism; 19. a cylinder; 20. a cutter fixing assembly; 21. a cutter; 22. a second slider; 23. a gantry slide rail; 24. a steering mechanism; 25. an assembly fixing plate; 26. a telescopic rod; 27. a third slider; 28. a third slide rail; 29. a bearing block; 30. a transverse fixing plate; 31. a longitudinal fixing plate; 32. a first cutter fixing plate; 33. a second cutter fixing plate; 34. a cutter slot; 35. positioning holes; 36. positioning the screw hole; 37. a fixing plate; 38. a fixing plate positioning hole; 39. connecting blocks; 40. connecting block locating hole.
Detailed Description
The present invention is further described below with reference to specific embodiments, and it should be noted that, without conflict, any combination between the embodiments or technical features described below may form a new embodiment.
In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "first", "second", etc., the terms of orientation and positional relationship indicate that the orientation and positional relationship shown in the drawings are based on the orientation or positional relationship shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific scope of the present invention.
As shown in fig. 1 and 2, the fin cutting device for the insert micro-channel heat exchanger comprises a frame 1, a fixing mechanism and a cutting mechanism 2, wherein the fixing mechanism and the cutting mechanism 2 are used in a matched manner, in the figure, the fixing mechanism is located below the cutting mechanism 2, the fixing mechanism comprises a workbench and a fixing member 6 which are installed on the frame 1, the workbench comprises a first workbench plate 7, a second workbench plate 8 and a mounting plate 9, the mounting plate 9 is arranged between the first workbench plate 7 and the second workbench plate 8, the fixing member 6 is detachably connected with the mounting plate 9, as shown in fig. 3, a plurality of parallel square convex blocks 10 are arranged on one side of the fixing member 6, clamping grooves 11 are formed between adjacent square convex blocks 10, and the clamping grooves 11 of adjacent fixing members 6 are in one-to-one correspondence. Fixing parts 6 in the diagram are two, after the end parts of each flat tube of the inserted sheet type heat exchanger core body assembly are respectively clamped in clamping grooves 11 of the two fixing parts 6 on the workbench, when a cutting head of a cutting mechanism 2 above the fixing mechanism is used for cutting off fins on the assembly along a straight line, the assembly is not easy to displace and deform and is inclined, and rapid and accurate cutting is realized. The number of the fixing members 6 can be three or more, and as in another embodiment (not shown in the figures), the fixing members 6 are three, and two rows of square projections 6 are arranged on two sides of the middle fixing member 6, so that the cutting device can simultaneously clamp 2 inserted heat exchanger core assemblies through three fixing members 6, and the production efficiency is further improved.
Referring to fig. 3, a trapezoidal bump 12 is disposed on the upper surface of the square bump 10, three side surfaces of the trapezoidal bump 12 are extension surfaces of the three side surfaces of the square bump 10, a lower bottom surface of the trapezoidal bump 12 is larger than the upper bottom surface and smaller than the upper surface of the square bump 10, and another side surface of the trapezoidal bump 12 is an inclined surface 12. So, the width in the groove that slot 11's notch width and the adjacent trapezoidal lug 12 that upwards extends on the draw-in groove limit constitute equals, and length is longer, when inserting the tip of the flat pipe at inserted sheet formula heat exchanger core subassembly both ends, the groove that trapezoidal lug 12 constitutes can guide every flat pipe end portion to correspond with corresponding draw-in groove, thereby the more convenient adjacent mounting 6 that inserts of inserted sheet formula heat exchanger core subassembly that makes, the more convenient back of accomplishing taking out of cutting simultaneously, rocking of subassembly in addition can prevent the cutting.
Preferably, the slope of the inclined surface is 15 ° to 80 °. The inventor finds through experiments that the inclined plane can guide and insert the plate type heat exchanger core assembly more quickly within the angle. Meanwhile, when a new product is cut for the first time, the slope of the inclined plane in the range is adopted, the cutting effect is conveniently observed when the position of the cutting head of the cutting mechanism 12 is adjusted, so that the cutting height and the cutting angle of the cutting mechanism 12 can be determined more quickly, and the production efficiency is improved.
Referring to fig. 2, 5, 6 and 7, the cutting mechanism 2 includes a gantry rail 17 and a cutter mechanism 18, the cutter mechanism 18 includes a cylinder 19, a cutter fixing assembly 20 and a cutter 21, i.e. the cutting head of the cutter mechanism 18 is a cutter, and more preferably, the cutter is a steel breakable art knife, which is easy to obtain, low in cost and capable of cutting smoothly. The gantry rail 17 is provided with a gantry slide rail 23 with a second slide block 22, the second slide block 22 is provided with a steering mechanism 24, the cylinder 19 is mounted on the steering mechanism 24, the cutter fixing component 20 is mounted on an expansion link 26 of the cylinder 19 through a component fixing plate 25, of course, the cutter fixing component 20 can also realize vertical displacement through other lifting mechanisms except the cylinder, the cutter 21 is mounted in the cutter fixing component 20, two sides of the workbench are respectively provided with a third slide rail 28 provided with a third slide block 27, the two third slide rails 28 are parallel to each other, the third slide block 27 is provided with a bearing block 29, and the gantry rail 17 is mounted on the bearing block 29. Of course, the receiving block 29 may be integrated with the third slider 27. The second slider 22 drives the cutter mechanism 18 to move in the horizontal direction, that is, the further second slider 22 drives the cutter 21 to sequentially cut off the fins of the core assembly of the fin-inserted heat exchanger along the horizontal linear direction, the cylinder 19 drives the cutter mechanism 18 to move in the vertical direction, that is, the further cylinder 19 adjusts the height of the cutter 18 from the fins by the extension and retraction of the telescopic rod 26, because the cutter 21 is installed in the cutter fixing assembly 20 with a certain angle, the fin group inserted on the flat tube can be conveniently and regularly cut off along the first linear line by adjusting the cutting speed of the second slider 22 and the extension length of the telescopic rod 26 of the cylinder 19, after the two sliders on the third slide rail are moved in the same direction and in the same distance, the cutting of the fin group along the second linear line by the cutting mechanism 2 can be conveniently realized, and the operation can be analogized, the cutting of all cutting positions can be completed, the cutting mechanism is characterized in that the inserted sheet type heat exchanger core body assembly is cut into a plurality of short fins, after cutting is finished, the cutting mechanism 18 is lifted to the height of the cut inserted sheet type heat exchanger core body assembly which is convenient to take through the air cylinder 19, and the operation safety of workers is improved.
Referring to fig. 5, the steering mechanism 24 includes a transverse fixing plate 30 and a longitudinal fixing plate 31 connected to the transverse fixing plate 30, and the cylinder 19 is mounted on the longitudinal fixing plate 31. The steering mechanism 24 adopting the simple mechanism fixes the air cylinder 24 on the second sliding block, so that the cutting mechanism 2 is more compact and operates stably.
Referring to fig. 5, the cutter fixing assembly 20 includes a first cutter fixing plate 32 and a second cutter fixing plate 33, the second cutter fixing plate 33 is fixed on the first cutter fixing plate 32 by screws, the first cutter fixing plate 32 is provided with a cutter groove 34, the cutter 21 is installed in the cutter groove 34, the first cutter fixing plate 32 and the second cutter fixing plate 33 are both provided with a plurality of positioning holes 35, the first cutter fixing plate 32 and the second cutter fixing plate 33 are correspondingly provided with a plurality of positioning screw holes 36, and the assembly positioning plate is also provided with a plurality of positioning screw holes 36. The cutter 21 is also provided with a positioning hole, the positioning hole and the positioning hole 35 of the cutter 21 are fixed through a screw, a bolt or other fasteners, so that the cutter is firmly fixed in the cutter groove 34, the cutter fixing component 22 is fixed on the component positioning plate through the corresponding positioning screw hole 36 on the first cutter fixing plate 32 and the corresponding positioning screw hole 36 on the second cutter fixing plate 33 and the corresponding positioning screw hole 36 on the component positioning plate by the fasteners, and through the arrangement, the cutter 21 forms a required cutting angle in the cutter groove 34 according to cutting requirements, and the core body component of the inserting sheet type heat exchanger is cut neatly and conveniently.
Referring to fig. 7, two fixing plates 37 are respectively disposed on two sides of the workbench, the fixing plates 37 are connected to the receiving block 29, and the front portion and the rear portion of each fixing plate 37 are respectively connected to the first workbench plate 7 and the second workbench plate 8 through screws or studs. The fixed plate 37 is connected with the bearing block 29, so that the third sliding block 27 is locked, the cutting mechanism 2 is more stably installed on the workbench, the operation of the cutting mechanism 2 is more stable, and the cutting quality is improved.
Referring to fig. 7, a plurality of fixing plate positioning holes 38 are formed in the fixing plate 37, both the two receiving blocks 27 are connected to a connecting block 39, the connecting block 39 is provided with a plurality of connecting block positioning holes 40, and the fixing plate 37 and the connecting block 39 are fixed by positioning pins penetrating through the connecting block positioning holes 40 and the fixing plate positioning holes 38. Through the design, the positioning pins are used for positioning the two ends of the cutting mechanism 2, the positioning pins are convenient to insert and pull, and the cutting mechanism can be conveniently and fast reinforced and positioned when the cutting mechanism moves to different positions along the third sliding rail. In addition, when the same inserting piece type heat exchanger core body assembly is cut for multiple times, each cutting position corresponds to the corresponding fixing plate positioning hole 38, before each cutting, the cutting mechanism 2 is locked and positioned by the positioning pin after moving to the corresponding fixing plate positioning hole 38 along the third slide rail 28, the cutting position does not need to be judged in other modes, and the cutting of the inserting piece type heat exchanger core body assembly can be conveniently, accurately and quickly completed.
The working principle and the process are as follows:
the fin-inserting type heat exchanger core body assembly with fins and flat tubes clamped mutually is prepared, the flat tubes corresponding to the fin-inserting type heat exchanger core body assembly are taken out of the assembly, the flat tubes are installed on a fixing mechanism in an installation mode that two end portions of all the flat tubes on the assembly are respectively clamped into corresponding clamping grooves 11, then a cutting mechanism 2 is adjusted, the cutting head moves rapidly according to a straight line, sequential rapid cutting of all the fins on one fin group cutting position is achieved, after the fin-inserting type heat exchanger core body assembly is completed, the cutting mechanism 2 displaces, all the fins on the next fin group cutting position are cut, and cutting work of all the cutting positions is completed.
While particular embodiments of the present invention have been illustrated and described, it would be obvious that various other changes and modifications can be made without departing from the spirit and scope of the invention. It is therefore intended to cover in the appended claims all such changes and modifications that are within the scope of this invention.
Claims (9)
1. The utility model provides an inserted sheet microchannel heat exchanger fin cutting device, includes the frame, its characterized in that: the cutting machine is characterized by further comprising a fixing mechanism and a cutting mechanism, wherein the fixing mechanism and the cutting mechanism are matched for use, the fixing mechanism comprises a workbench and a fixing piece which are installed on the machine frame, the workbench comprises a first workbench plate, a second workbench plate and a mounting plate, the mounting plate is arranged between the first workbench plate and the second workbench plate, the fixing piece is detachably connected with the mounting plate, a plurality of parallel square convex blocks are arranged on one side of the fixing piece, clamping grooves are formed between the adjacent square convex blocks, and the clamping grooves of the fixing piece are in one-to-one correspondence.
2. The fin cutting device for the insert micro-channel heat exchanger as claimed in claim 1, wherein: the square bump upper surface is equipped with trapezoidal lug, the three side of trapezoidal lug is the extension face of the three side of square lug, the lower bottom surface of trapezoidal lug is greater than the bottom surface and is less than square lug's upper surface, another side of trapezoidal lug is the inclined plane.
3. The fin cutting device of a fin heat exchanger as recited in claim 2, wherein the slope of said inclined surface is 15 ° to 80 °.
4. The fin cutting device for the insert micro-channel heat exchanger as claimed in claim 1, wherein: be equipped with the first slide rail of taking first slider on the mounting panel, first slider passes through first screw fixation on the first slide rail, the mounting passes through the second screw fixation and is in the top of first slider.
5. The fin cutting device for the insert micro-channel heat exchanger as claimed in claim 1, wherein: the cutting mechanism comprises a gantry rail and a cutter mechanism, the cutter mechanism comprises an air cylinder, a cutter fixing assembly and a cutter, the gantry rail is provided with a gantry slide rail with a second slide block, a steering mechanism is mounted on the second slide block, the air cylinder is mounted on the steering mechanism, the cutter fixing assembly is mounted on a telescopic rod of the air cylinder through an assembly fixing plate, the cutter is mounted in the cutter fixing assembly, third slide rails with third slide blocks are respectively arranged on two sides of the workbench, the two third slide rails are parallel to each other, a bearing block is arranged on each third slide block, and the gantry rail is mounted on the bearing block.
6. The fin cutting device for fin heat exchanger of fin inserting micro-channel as claimed in claim 5, wherein: the steering mechanism comprises a transverse fixing plate and a longitudinal fixing plate connected with the transverse fixing plate, and the air cylinder is installed on the longitudinal fixing plate.
7. The fin cutting device for fin heat exchanger of fin inserting micro-channel as claimed in claim 5, wherein: the cutter fixing assembly comprises a first cutter fixing plate and a second cutter fixing plate, the second cutter fixing plate is fixed on the first cutter fixing plate through screws, the first cutter fixing plate is provided with a cutter groove, the cutter is installed in the cutter groove, a plurality of positioning holes are formed in the first cutter fixing plate and the second cutter fixing plate, a plurality of positioning screw holes are correspondingly formed in the first cutter fixing plate and the second cutter fixing plate, and a plurality of positioning screw holes are also formed in the assembly positioning plate.
8. The fin cutting device for fin heat exchanger of fin inserting micro-channel as claimed in claim 5, wherein: the two sides of the workbench are respectively provided with a fixing plate, the fixing plates are connected with the bearing blocks, and the front part and the rear part of each fixing plate are respectively connected with the first workbench plate and the second workbench plate through screws or studs.
9. The fin cutting device of an insert micro-channel heat exchanger according to claim 8, wherein: the fixing plate is provided with a plurality of fixing plate positioning holes, the two bearing blocks are connected with the connecting block, the connecting block is provided with a plurality of connecting block positioning holes, and the fixing plate and the connecting block penetrate through the connecting block positioning holes and the fixing plate positioning holes through studs to be fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111553627.6A CN114273727A (en) | 2021-12-17 | 2021-12-17 | Inserted sheet microchannel heat exchanger fin cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111553627.6A CN114273727A (en) | 2021-12-17 | 2021-12-17 | Inserted sheet microchannel heat exchanger fin cutting device |
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| Publication Number | Publication Date |
|---|---|
| CN114273727A true CN114273727A (en) | 2022-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111553627.6A Pending CN114273727A (en) | 2021-12-17 | 2021-12-17 | Inserted sheet microchannel heat exchanger fin cutting device |
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