CN109351879B - Hot extrusion forming equipment for fin heat exchange tube - Google Patents
Hot extrusion forming equipment for fin heat exchange tube Download PDFInfo
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- CN109351879B CN109351879B CN201811272270.2A CN201811272270A CN109351879B CN 109351879 B CN109351879 B CN 109351879B CN 201811272270 A CN201811272270 A CN 201811272270A CN 109351879 B CN109351879 B CN 109351879B
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- 238000001192 hot extrusion Methods 0.000 title description 2
- 238000001125 extrusion Methods 0.000 claims abstract description 97
- 239000002184 metal Substances 0.000 claims abstract description 43
- 238000010438 heat treatment Methods 0.000 claims abstract description 27
- 239000000463 material Substances 0.000 claims abstract description 25
- 229910000831 Steel Inorganic materials 0.000 claims description 26
- 239000010959 steel Substances 0.000 claims description 26
- 238000003756 stirring Methods 0.000 claims description 14
- 230000000149 penetrating effect Effects 0.000 claims description 11
- 230000007704 transition Effects 0.000 claims description 11
- 238000000465 moulding Methods 0.000 claims description 6
- 230000001360 synchronised effect Effects 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000007493 shaping process Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 9
- 230000008021 deposition Effects 0.000 abstract description 3
- 239000000428 dust Substances 0.000 abstract description 3
- 238000003466 welding Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/02—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers
- B21D53/06—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers of metal tubes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/16—Heating or cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/02—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers
- B21D53/022—Making the fins
Abstract
The invention discloses fin heat exchange tube extrusion molding equipment which comprises a power source module, wherein the power source module is connected with a driving module in a direct connection mode, the right side of the driving module is connected with a forming module, the forming module is adjacent to a heating module, the right end of the heating module is connected with a feeding module, the rear side of the feeding module is a material table, a metal tube pushing module is fixedly arranged on the front side of the feeding module through bolts, the right side of the feeding module is a supporting group, and the top of the supporting group is provided with an inner core pushing module. The metal pipe is heated at a high temperature through medium-frequency heating, the metal pipe is pushed between the front side extrusion module and the rear side extrusion module in the forming module and between the bottom extrusion module, the external fins of the fin heat exchange pipe are formed through extrusion of the three, and the produced fin heat exchange pipe is high in strength and good in heat exchange performance, so that dust deposition in the use process can be effectively avoided.
Description
Technical Field
The invention belongs to the technical field of heat exchange tube forming used on heat exchangers, and particularly relates to fin heat exchange tube extrusion forming equipment.
Background
In the field of heat exchange, in order to maximize heat exchange efficiency, the current general technology is to perform contour machining on a heat exchange tube, set radiating fins on the periphery of the heat exchange tube, enlarge the contact area between the heat exchange tube and the outside through the radiating fins, so as to improve the heat exchange efficiency, when the current fin heat exchange tube is manufactured, the fins are fixed with metal tubes in a brazing or common welding mode, the heat exchange efficiency of the fin heat exchange tube obtained in the mode is greatly improved compared with that of the common metal tubes, but the fin heat exchange tube has technical defects in that 1. Heat resistance exists, and the fins and the metal tubes are welded into a whole in a separated mode and are not integrally formed, so that a certain heat resistance exists in the heat exchange efficiency; 2. the existing fins are of a sheet type design, and after being welded with metal pipes, irregular welding surfaces exist at the bottom ends of the fins, so that the circulation of heat flow is affected; 3. in the use process of the conventional fin type heat exchange tube, the contact part of the fin and the metal tube is not smooth, dirt surfaces are easy to generate, the bottom of the fin is easy to block after long-time use, and the blocking surfaces are difficult to clean due to the fact that the bottom of the fin type heat exchange tube is not smooth.
To the drawback in the prior art, as the technicians in this trade, how to pass through technological improvement, design a novel fin heat exchange tube extrusion equipment, through new form technique, change original fin and metal tubular product welded mode into integrated into one piece, avoid the product drawback that brings because of production technology such as welding to this improves the shaping efficiency of fin heat exchange tube and is the technical problem that current industry technicians need to solve urgently.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, an object of the present invention is to provide a fin heat exchange tube extrusion molding apparatus, which solves the drawbacks of the welding molding of the existing fin heat exchange tube, and can mold the fins on the metal tube at one time by using the new molding apparatus and technology.
The technical scheme adopted for solving the technical problems is as follows:
the fin heat exchange tube extrusion molding equipment comprises a plurality of modules, wherein the fin heat exchange tube extrusion molding equipment comprises a power source module, the power source module is connected with a driving module in a direct connection mode, the right side of the driving module is connected with a forming module, the forming module is adjacent to a heating module, the right end of the heating module is connected with a feeding module, the rear side of the feeding module is a material table, a metal tube pushing module is fixedly arranged on the front side of the feeding module through bolts, the right side of the feeding module is a supporting group, and the top of the supporting group is provided with an inner core pushing module; the power source module comprises a motor fixing table, a driving motor is arranged at the top of the motor fixing table, the right side of the driving motor is directly connected with a gearbox, and the gearbox is connected with the driving module through a driving shaft at the right side of the gearbox; a driving box is fixed in the driving module through a bottom fixing table, the driving box is directly connected with a transmission case to form a main driving gear, the main driving gear is in meshed connection with a transition gear, a hollow driving gear is arranged at the rear side of the transition gear, the transition gear is in meshed arrangement with the hollow driving gear, the periphery of the hollow driving gear is in meshed arrangement with three forming driving gears, the three forming driving gears are respectively connected with the left ends of driving rods through universal joints, and the right ends of the three driving rods are respectively connected with a rear side extrusion module, a front side extrusion module and a bottom extrusion module on the forming module; the forming module is square forming equipment which is vertically arranged and comprises a forming table, wherein the front side and the rear side of the forming table are both provided with a chamfer surface at the top, the middle part of the forming table is provided with a left-right through working cavity, the front and rear of the two chamfer surfaces which are arranged in front and rear are symmetrically arranged, each chamfer surface is provided with a screwing disc, the bottom of the screwing disc is connected with an adjusting screw rod, and all parts connected with the adjusting screw rods on the screwing disc positioned at the front side are identical to all parts connected with the adjusting screw rods on the screwing disc positioned at the rear side and are symmetrically arranged in front and rear; the front adjusting screw penetrates through the side wall of the forming table, a forming die bottom plate is connected in the working cavity, a fixing plate is welded on the left side and the right side of the chamfer of the front, two guide screws are respectively arranged on the fixing plates on the left side and the right side in a normal direction and matched with the guide screws, a locking nut is arranged on the top surface of the fixing plate, the bottom end of the guide screw is connected with the forming die bottom plate, a front extruding module is fixed on the forming die bottom plate positioned on the front through bolts, and a rear extruding module is fixed on the forming die bottom plate positioned on the rear through bolts; the bottom of the working cavity is fixedly provided with a bottom extrusion module through a bottom die fixing seat, the left ends of the front extrusion module, the rear extrusion module and the bottom extrusion module are all provided with a universal joint, and the universal joints on the front extrusion module, the rear extrusion module and the bottom extrusion module are connected with the universal joints on the three forming driving gears through driving shafts.
The heating module comprises a heating base, an intermediate frequency heater is fixed at the top of the heating base, and the center of the intermediate frequency heater is arranged at the same height as the center of the area surrounded by the front side extrusion module, the rear side extrusion module and the bottom extrusion module.
The material table comprises three tall upright posts transversely arranged at the rear end and three short upright posts transversely arranged at the front end, wherein the tops of the tall upright posts and the short upright posts are fixedly connected through connecting beams; the feeding device comprises a feeding module, a connecting beam, a rotary shaft, a plurality of swinging discs, a driving wheel, a feeding driving motor, a chain or a belt, wherein the connecting beam is close to the feeding module, the rotary shaft penetrates through the connecting beam left and right, the swinging discs are uniformly distributed left and right on the rotary shaft, the same material stirring protrusions are arranged at the same angle of each swinging disc, the material stirring protrusions rotate along with the swinging discs, the driving wheel is arranged at the rightmost end of the rotary shaft, the feeding driving motor is arranged below the driving wheel, and the feeding driving motor is arranged at the bottom of the connecting beam and connected with the driving wheel through the chain or the belt.
The feeding module comprises a feeding groove, the feeding groove is fixed at the front end of the connecting beam, the centers of the feeding groove and the intermediate frequency heater are designed at equal height, a pushing rod is arranged in the feeding groove, the left end of the pushing rod is connected with an inner core in a threaded manner, the inner core and the inside of the pushing rod are hollow, a plurality of fixing rings are arranged at the top of the front side wall of the feeding groove, and a feeding guide rod is commonly fixed on the fixing rings; the front side of the feeding groove is provided with a metal pipe pushing module, the metal pipe pushing module comprises a feeding driving bin, a driving screw is transversely arranged in the feeding driving bin, the left end of the driving screw is connected with a feeding driving motor at the left end of the feeding driving bin, the driving screw in the feeding driving bin is connected with a driving block, the top of the driving block is connected with a feeding guide rod into a whole, and the feeding guide rod is connected with the fixing nut at the top of the pushing barrel into a whole through a connecting sleeve at the left side of the driving block; the pushing cylinder is arranged in a left-right penetrating cylindrical structure, and the pushing rod penetrates through the center of the pushing rod.
The right side of the pushing rod is an inner core pushing module, the inner core pushing module is supported by a supporting group, the supporting group comprises at least two supporting columns, a pushing rod fixing block is arranged on the supporting column positioned on the left side, after the pushing rod passes through the pushing rod fixing block, the right side of the pushing rod penetrates through a middle fixing sleeve left and right and is connected with the right fixing sleeve on the left side of the middle fixing sleeve, the right side of the right fixing sleeve is connected with a water supply gun head, and a plurality of cushion blocks are sleeved on the pushing rod between the middle fixing sleeve and the right fixing sleeve; the inner kernel pushing module is supported and fixed through a pushing rod fixing block and a supporting column on the right side, the inner kernel pushing module comprises an I-shaped steel which is transversely arranged left and right, fixed angle steels are welded on the front side and the rear side of the left end and the right end of the I-shaped steel respectively, a bearing seat is arranged on the two fixed angle steels on the left end face of the I-shaped steel respectively, the front bearing seat and the rear bearing seat jointly support a fluted disc, and the right end and the left end of the I-shaped steel are arranged in the same structure; the fluted disc at the left end and the fluted disc at the right end jointly encircle a circle of driving chain; a driving fluted disc is arranged on the fluted disc on the left side or the right side in a forward or backward extending way, and is connected with an inner core pushing driving motor fixed at the bottom of the I-shaped steel; the middle height of the front side surface of the I-shaped steel is provided with a guide rail in a penetrating manner in the left-right direction, the guide rail is fixedly provided with a middle fixing block and a right fixing block, the structures of the middle fixing block and the right fixing block are the same as those of the parts fixed by the middle fixing block, the top of the middle fixing block is provided with a fixing flat plate, the middle part of the middle fixing block extends to the guide rail and is fixed on the guide rail, the fixing flat plate is vertically provided with a screw in a penetrating manner and is connected with a bottom pulling block at the bottom of the screw through a tension spring, the bottom pulling block penetrates through the guide block, and the bottom end surface of the bottom pulling block is welded on a middle fixing sleeve; the bottom pulling block positioned on the right fixed block is connected with the top of the right fixed sleeve; the right side fixed block is fixedly connected with the driving chain through a connecting sheet and is positioned at the left side part of the middle fixed block, and the driving chain is welded with a synchronous pushing block.
And three forming driving gears meshed with the hollow driving gears are uniformly distributed around the hollow driving gears, the three forming driving gears take the center of the hollow driving gears as an origin, and the adjacent two forming driving gears are arranged at an angle of 120 degrees.
The front side extrusion module, the rear side extrusion module and the bottom extrusion module are movable and detachable, have the same structure and are composed of a fixed base on the left side and the right side and a module bottom plate, and the module bottom plate is provided with strip holes or arc-shaped strip holes which are matched with strip grooves or arc grooves on the molding module bottom plate; a plurality of extrusion blades are fixed between the fixed bases arranged on the left side and the right side, and are annularly arranged and fixed between the fixed bases on the left side and the right side through fixing shafts.
The right side top at the shaping platform, directly over the junction of front side extrusion module and rear side extrusion module and bottom extrusion module, it extends fixedly a fixed extension piece to the left, and the left end of extension piece is vertical to be provided with a hoist and mount screw rod, and the bottom of hoist and mount screw rod is connected with a hoist and mount ring, and hoist and mount intra-annular fixed has a conveyer pipe, conveyer pipe one end fix in hoist and mount intra-annular, its other end extends to inside the hollow drive gear.
The invention has the following beneficial effects: according to the invention, through the design, the power source module and the driving module are connected in a direct connection mode, the right side of the driving module is connected with the forming module, the forming module is adjacent to the heating module, the right end of the heating module is connected with the feeding module, when the fin type heat exchange tube works, the feeding module is used for conveying a metal tube into the heating module, the metal tube is heated at a high temperature through medium-frequency heating, after the metal tube is heated, the feeding module and the inner core pushing module act simultaneously, the inner core pushing module can effectively ensure the inner diameter size of the fin type heat exchange tube in the forming process, the metal tube is pushed between the front side extrusion module and the rear side extrusion module in the forming module and the bottom extrusion module, the outer fins of the fin type heat exchange tube are formed through extrusion of the three modules, the outer radiating fins and the inner diameter of the metal tube can be formed at one time through the working procedures, the forming efficiency is high, the whole process is fully automatic, the produced fin type heat exchange tube is high in strength, the heat exchange performance is good, and dust deposition phenomenon in the use process can be effectively avoided.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic diagram of a connection structure of a power source module and a driving module according to the present invention;
FIG. 3 is a schematic view of the right side of the forming module of the present invention;
FIG. 4 is a schematic view of the left side three-dimensional structure of the molding module of the present invention;
FIG. 5 is an enlarged schematic view of the partial structure of the A-direction in FIG. 4;
FIG. 6 is an enlarged schematic view of the structure of the feeder module and the material table of the present invention;
FIG. 7 is an enlarged view of the insert pushing module according to the present invention;
in the figure, 1, a power source module, 2, a driving module, 3, a forming module, 4, a heating module, 5, a material table, 6, a feeding module, 7, a metal pipe pushing module, 8, a kernel pushing module, 9, a supporting group, 10, a motor fixing table, 11, a driving motor, 12, a gearbox, 13, a chamfer, 14, an extension piece, 15, a rear side extrusion module, 16, a hoisting screw, 17, a hoisting ring, 18, a front side extrusion module, 19, a bottom extrusion module, 20, a bottom fixing table, 21, a driving box, 22, a main driving gear, 23, a transition gear, 24, a hollow driving gear, 25, a forming driving gear, 26, a conveying pipe, 27, a driving rod, 28, a universal joint, 30, a forming table, 31, a working cavity, 32, a fixing plate, 33, a locking nut, 34, a guide screw, 35, a screwing disc, 36, a bottom die fixing seat, 37, an adjusting screw, 38, forming die bottom plate, 40, heating base, 41, intermediate frequency heater, 42, bottom pulling block, 43, water supply gun head, 44, driving fluted disc, 45, connecting piece, 46, die bottom plate, 47, fixed base, 48, extruding blade, 50, high upright, 51, short upright, 52, connecting beam, 53, rotating shaft, 54, swinging disc, 55, kick-out protrusion, 56, driving wheel, 57, feeding driving motor, 61, feeding groove, 62, inner core, 63, pushing rod, 64, pushing barrel, 65, feeding guide rod, 66, fixing ring, 68, fixing nut, 69, connecting sleeve, 70, feeding driving bin, 71, feeding driving motor, 72, driving block, 81, synchronous pushing block, 82, driving chain, 83, I-shaped steel, 84, fluted disc, 85, fixed angle steel, 86, guiding track, 87, bearing seat, 88, inner core pushing driving motor, 90. support column, 91, middle part fixed sleeve, 92, cushion, 93, right side fixed sleeve, 94, pushing rod fixed block, 95, middle part fixed block, 96, right side fixed block, 97, screw rod, 98, extension spring, 99, guide block, 100, fixed flat board.
Detailed Description
The invention is further described in the following by the embodiment, the fin heat exchange tube extrusion molding equipment comprises a plurality of modules, wherein the fin heat exchange tube extrusion molding equipment comprises a power source module 1, the power source module 1 and a driving module 2 are connected in a direct connection mode, the right side of the driving module 2 is connected with a forming module 3, the forming module 3 is adjacent to a heating module 4, the right end of the heating module 4 is connected with a feeding module 6, the rear side of the feeding module 6 is provided with a material table 5, the feeding module 6 is provided with a metal tube pushing module 7 which is fixed on the front side of the feeding module 6 through bolts, the right side of the feeding module 6 is provided with a supporting group 9, and the top of the supporting group 9 is provided with an inner core pushing module 8.
The power source module 1 comprises a motor fixing table 10, a driving motor 11 is arranged at the top of the motor fixing table 10, the right side of the driving motor 11 is directly connected with a gearbox 12, and the gearbox 12 is connected with the driving module 2 through a driving shaft at the rear side of the gearbox 12; the driving module 2 is internally provided with a driving box 21 fixed through a bottom fixing table 20, the driving box 21 is internally provided with main driving teeth 22 which are directly connected with the gearbox 12, the main driving teeth 22 are in meshed connection with a transition gear 23, the rear side of the transition gear 23 is provided with a hollow driving gear 24, the transition gear 23 is in meshed arrangement with the hollow driving gear 24, the periphery of the hollow driving gear 24 is in meshed arrangement with three forming driving gears 25, the main driving teeth 22, the transition gear 23 and the hollow driving gear 24 are connected with the left and right side walls of the driving box 21 into a whole through flanges, and the connecting mode is common bolt fixing and is not repeated here;
the three forming driving gears 25 are respectively connected with the left ends of the driving rods 27 through universal joints 28, and the right ends of the three driving rods 27 are respectively connected with the rear side extrusion module 15, the front side extrusion module 18 and the bottom extrusion module 19 on the forming module 3; the forming module 3 is square forming equipment which is vertically arranged and comprises a forming table 30, wherein the front side and the rear side of the forming table 30 are both provided with a chamfer 13 at the top, the middle part of the forming table is provided with a left-right through working cavity 31, the two chamfer 13 which are arranged front and back are symmetrically arranged front and back, each chamfer 13 is provided with a screwing disc 35, the bottom of the screwing disc 35 is connected with an adjusting screw 37, and all parts connected with the adjusting screw 37 on the screwing disc 35 at the front side are identical to all parts connected with the adjusting screw 37 on the screwing disc 35 at the rear side and are symmetrically arranged front and back; the front adjusting screw rod 37 penetrates through the side wall of the forming table 30 and then is internally connected with a forming die bottom plate 38 in the working cavity 31, a fixing plate 32 is welded on the left side and the right side of the chamfer 13 of the front, two guide screw rods 34 are respectively arranged on the fixing plates 32 on the left side and the right side in a normal direction, the guide screw rods 34 are matched with the guide screw rods 34, a lock nut 33 is arranged on the top surface of the fixing plate 32, the bottom end of the guide screw rod 34 is connected with the forming die bottom plate 38, the forming die bottom plate 38 positioned on the front is fixedly provided with a front extruding module 18 by bolts, and the forming die bottom plate 38 positioned on the rear is fixedly provided with a rear extruding module 15 by bolts; at the bottom of the working chamber 31, a bottom extrusion module 19 is fixed through a bottom die fixing seat 36, and a universal joint 28 is arranged at the left ends of the front extrusion module 18, the rear extrusion module 15 and the bottom extrusion module 19, and the universal joints on the front extrusion module 18, the rear extrusion module 15 and the bottom extrusion module 19 are connected with the universal joints on the three forming driving gears 25 through driving shafts 28. The front side extrusion module 18, the rear side extrusion module 15 and the bottom extrusion module 19 are movable and detachable, have the same structure and are composed of a fixed base 47 at the left side and the right side and a module bottom plate 46 at the bottom, wherein a strip hole or an arc-shaped strip hole is formed in the module bottom plate 46 and is matched with a strip groove or an arc-shaped groove in the forming module bottom plate 38, and when the two parts are combined, fine adjustment of angles or positions can be performed through the strip hole or the arc-shaped strip hole; as shown in fig. 2, 3 and 4, a plurality of pressing blades 48 are fixed between the fixing bases 47 provided on the left and right sides, and the pressing blades 48 are provided in a ring shape and are fixed between the fixing bases 47 on the left and right sides by fixing shafts.
When the structure is used, the action principle is that when a metal pipe enters the working cavity 31 in the forming module 3 from the heating module 4, a user can calculate the outer diameter of the fin heat exchange pipe and the outer diameter of the metal pipe in advance, the outer diameter of the fin heat exchange pipe to be processed is adjusted by adjusting the relative positions of the front side extrusion module 18 and the rear side extrusion module 15, when the metal pipe is adjusted, the locking nuts 33 on the top surfaces of all the fixing plates 32 are loosened, then the disc 35 is screwed by hand, the depth of the adjusting screw 37 is adjusted by screwing the disc 35, so that the position adjustment of the front side extrusion module 18 or the rear side extrusion module 15 is realized, the locking nuts 33 can be adjusted after the adjustment is finished, the bottom extrusion module 19 is fixed in height, the height is constant, and when the metal pipe enters the working cavity 31, the extrusion blades 48 in the front side extrusion module 18 and the rear side extrusion module 15 are rotated under the driving of the driving module 2, and the molded metal pipe is pushed to move leftwards until entering the hollow gear 24 and entering the hollow driving gear 24 to enter the external cutting area through the hollow driving gear 24.
As mentioned above, the metal pipe must be heated by the heating module 4 before the above process is completed, the heating module 4 includes a heating base 40, an intermediate frequency heater 41 is fixed on the top of the heating base 40, and the center of the intermediate frequency heater 41 is set at the same height as the center of the area surrounded by the front side extrusion module 18, the rear side extrusion module 15 and the bottom extrusion module 19.
The material table 5 comprises three tall upright posts 50 transversely arranged at the rear end and three short upright posts 51 transversely arranged at the front end, wherein the tops of the tall upright posts 50 and the short upright posts 51 are fixedly connected through connecting beams 52; on the connecting beam 52 near the feeding module 6, a rotating shaft 53 is arranged on the connecting beam in a penetrating way from left to right, a plurality of swinging discs 54 are uniformly distributed on the rotating shaft 53 from left to right, each swinging disc 54 is provided with a same stirring protrusion 55 at the same angle, the stirring protrusions 55 rotate along with the swinging discs 54, a driving wheel 56 is arranged at the rightmost end of the rotating shaft 53, a feeding driving motor 57 is arranged below the driving wheel 56, the bottom of the connecting beam 52 is provided with a feeding driving motor 57, the feeding driving motor 57 is connected with the driving wheel 56 through a chain or a belt, the swinging discs 54 are driven to rotate by the feeding driving motor 57, and when one circle of rotation is carried out, the stirring protrusions 55 on the swinging discs 54 stir metal pipes into a feeding groove 61.
The feeding module 6 comprises a feeding groove 61, wherein the feeding groove 61 is fixed at the front end of the connecting beam 52, the center of the feeding groove 61 and the center of the intermediate frequency heater 41 are designed to be equal in height, a pushing rod 63 is arranged in the feeding groove 61, the left end of the pushing rod 63 is in threaded connection with an inner core 62, the inner core 62 and the inside of the pushing rod 63 are hollow, a plurality of fixing rings 66 are arranged at the top of the front side wall of the feeding groove 61, and a feeding guide rod 65 is jointly fixed on the plurality of fixing rings 66; the front side of the feeding groove 61 is provided with a metal pipe pushing module 7, the metal pipe pushing module 7 comprises a feeding driving bin 70 which is fixed on the front side wall of the feeding groove 61 through bolts, a driving screw is transversely arranged in the feeding driving bin 70, the left end of the driving screw is connected with a feeding driving motor 71 at the left end of the feeding driving bin, the driving screw in the feeding driving bin 70 is connected with a driving block 72, the top of the driving block 72 and a feeding guide rod 65 are connected into a whole, and the feeding guide rod 65 is connected to the whole through a connecting sleeve 69 and a fixing nut 68 at the top of the pushing barrel 64 at the left side of the driving block 72; the pushing cylinder 64 is provided with a cylindrical structure penetrating from left to right, and the pushing rod 63 penetrates through the center of the inside.
The right side of the pushing rod 63 is an inner core pushing module 8, the inner core pushing module 8 is supported by a supporting group 9, the supporting group 9 comprises at least two supporting columns 90, a pushing rod fixing block 94 is arranged on the supporting column 90 positioned on the left side, after the pushing rod 63 passes through the pushing rod fixing block 94, the right side of the pushing rod 63 penetrates through the middle fixing sleeve 91 left and right side of the middle fixing sleeve 91 and is connected with the right fixing sleeve 93, the right side of the right fixing sleeve 93 is connected with a water gun head 43, a plurality of cushion blocks 92 are sleeved on the pushing rod between the middle fixing sleeve 91 and the right fixing sleeve 93, and the cushion blocks 92 are used for effectively spacing the middle fixing sleeve 91 and the right fixing sleeve 93; the inner kernel pushing module 8 is supported and fixed through a pushing rod fixing block 94 and a supporting column 90 on the right side, the inner kernel pushing module 8 comprises an I-shaped steel 83 which is transversely arranged left and right, a fixed angle steel 85 is welded on the front side and the rear side of the left end and the right end of the I-shaped steel 83 respectively, a bearing seat 87 is arranged on the two fixed angle steels 85 positioned on the left end face of the I-shaped steel 83 respectively, the front bearing seat 87 and the rear bearing seat 87 jointly support a fluted disc 84, and the right end and the left end of the I-shaped steel 83 are arranged in the same structure; the left toothed disc 84 and the right toothed disc 84 jointly encircle a circle of drive chain 82; a driving fluted disc 44 is arranged on the fluted disc 84 on the left side or the right side in a forward or backward extending way, and the driving fluted disc 44 is connected with an inner core pushing driving motor 88 fixed at the bottom of the I-shaped steel 83; a guide rail 86 is arranged at the middle height of the front side surface of the I-shaped steel 83 in a penetrating manner left and right, a middle fixing block 95 and a right fixing block 96 are fixed on the guide rail 86, the structures and the fixed parts of the middle fixing block 95 and the right fixing block 96 are the same, a fixing flat plate 100 is arranged at the top of the middle fixing block 95, the middle part of the middle fixing block 95 extends towards the guide rail 86 and is fixed on the guide rail 86, a screw 97 is vertically arranged on the fixing flat plate 100 in a penetrating manner and is connected with the bottom pulling block 42 at the bottom of the screw 97 through a tension spring 98, the bottom pulling block 42 is arranged penetrating through the guide block 99, and the bottom end surface of the bottom pulling block 42 is welded on a middle fixing sleeve 91; the bottom pull block 42 positioned on the right fixed block 96 is connected with the top of the right fixed sleeve 93; the right fixed block 96 is fixedly connected with the driving chain 82 through a connecting sheet 45, that is, the right fixed block 96 is linked with the driving chain 82, further, is positioned at the left side part of the middle fixed block 95, a synchronous pushing block 81 is welded on the driving chain 82, when the right fixed block 96 moves rightwards along with the driving chain 82, the right fixed block 96 pulls the pushing rod 63 to move rightwards together, the driving chain 82 rotates anticlockwise, when the synchronous pushing block 81 on the driving chain 82 reaches the position of the middle fixed block 95, a certain distance exists between the right fixed block 96 and the middle fixed block 95, and the synchronous pushing block 81 on the driving chain 82 pushes the middle fixed block 95 to move rightwards in order to prevent the hanging length of the pushing rod 63 from being too long to deform and bend.
The above modules realize pushing use and inner diameter size positioning use of metal pipes, and the working principle is as follows: when the material stirring protrusion 55 on the swinging disc 54 stirs the metal pipe into the material feeding groove 61, the driving chain 82 rotates anticlockwise to pull the material stirring rod 63 out to the right, the material stirring protrusion 55 on the swinging disc 54 stirs the metal pipe into the material feeding groove 61, at this time, the driving chain 82 rotates clockwise to push the material stirring rod 63 into the metal pipe, after passing through the metal pipe and the heating module 4, the metal pipe enters the working cavity 31, at this time, the inner core 62 is placed between the rear side extrusion module 15 and the front side extrusion module 18 and the bottom extrusion module 19, the driving block 72 is driven to move by the driving screw in the material feeding driving bin 70 on the metal pipe pushing module 7, the top of the driving block 72 and the material feeding guide rod 65 are connected into a whole, at the left side of the driving block 72, the material feeding guide rod 65 is connected into a whole by the connecting sleeve 69 and the fixing nut 68 at the top of the material pushing cylinder 64, the material pushing cylinder 64 is pushed to the inner core 62 by the material feeding guide rod 65, at this time, the inner diameter of the metal pipe is driven by the rear side extrusion module 15 and the front side extrusion module 18, the inner core 62 is provided with the heat pipe, the fin is shaped, and the heat pipe is shaped, and the fin is finished. In the metal pipe machining process, the inner core rotates along with the metal pipe, so that the pushing rod 63 also rotates, in order to prevent the right end of the pushing rod 63 from swinging too much when rotating, the middle fixing block 95 and the right fixing block 96 are provided with tension springs 98 and the bottom pulling block 42 to be connected, the bottom pulling block 42 penetrates through the guide block 99 to be arranged, the bottom end surface of the bottom pulling block 42 is welded on the right fixing sleeve 93 of the middle fixing sleeve 91, and when the right end of the pushing rod 63 swings, the middle fixing sleeve 91 and the right fixing sleeve 93 move up and down.
On the basis of the above structure, in order to ensure the working stability during fin forming, three forming driving gears 25 meshed with the hollow driving gear 24 are uniformly distributed around the hollow driving gear 24, the three forming driving gears 25 take the center of the hollow driving gear 24 as an origin, and the adjacent two forming driving gears are arranged at an angle of 120 degrees, so that the output force of the three forming driving gears 25 is ensured to be the same.
Further, at the right side top of the forming table 30, directly above the junction of the front side extrusion module 18 and the rear side extrusion module 15 and the bottom extrusion module 19, an extending piece 14 is fixedly extended leftwards, a hoisting screw 16 is vertically arranged at the left end of the extending piece 14, the bottom of the hoisting screw 16 is connected with a hoisting ring 17, a conveying pipe 26 is fixedly arranged in the hoisting ring 17, one end of the conveying pipe 26 is fixed in the hoisting ring 17, and the other end of the conveying pipe extends into the hollow driving gear 24, so that the formed fin heat exchange pipe is directly conveyed into the hollow driving gear 24 on the forming table 30, and surface pollution in the conveying process is prevented.
In conclusion, the external radiating fins and the internal diameter of the metal pipe can be molded at one time through the working procedures, the molding efficiency is high, the whole process is fully and automatically carried out, the produced fin radiating pipe has high strength and good heat exchange performance, and the dust deposition phenomenon in the using process can be effectively avoided, so that the extrusion molding device for the fin heat exchange pipe is ideal.
Claims (5)
1. The utility model provides a fin heat exchange tube extrusion equipment which has a plurality of modules to constitute, its characterized in that: the device comprises a power source module, wherein the power source module is connected with a driving module in a direct connection mode, the right side of the driving module is connected with a forming module, the forming module is adjacent to a heating module, the right end of the heating module is connected with a feeding module, the rear side of the feeding module is a material table, a metal pipe pushing module is fixed on the front side of the feeding module through bolts, the right side of the feeding module is a supporting group, and the top of the supporting group is provided with an inner core pushing module; the power source module comprises a motor fixing table, a driving motor is arranged at the top of the motor fixing table, the right side of the driving motor is directly connected with a gearbox, and the gearbox is connected with the driving module through a driving shaft at the right side of the gearbox; a driving box is fixed in the driving module through a bottom fixing table, the driving box is directly connected with a transmission case to form a main driving gear, the main driving gear is in meshed connection with a transition gear, a hollow driving gear is arranged at the rear side of the transition gear, the transition gear is in meshed arrangement with the hollow driving gear, the periphery of the hollow driving gear is in meshed arrangement with three forming driving gears, the three forming driving gears are respectively connected with the left ends of driving rods through universal joints, and the right ends of the three driving rods are respectively connected with a rear side extrusion module, a front side extrusion module and a bottom extrusion module on the forming module; the forming module is square forming equipment which is vertically arranged and comprises a forming table, wherein the front side and the rear side of the forming table are both provided with a chamfer surface at the top, the middle part of the forming table is provided with a left-right through working cavity, the front and rear of the two chamfer surfaces which are arranged in front and rear are symmetrically arranged, each chamfer surface is provided with a screwing disc, the bottom of the screwing disc is connected with an adjusting screw rod, and all parts connected with the adjusting screw rods on the screwing disc positioned at the front side are identical to all parts connected with the adjusting screw rods on the screwing disc positioned at the rear side and are symmetrically arranged in front and rear; the front adjusting screw penetrates through the side wall of the forming table, a forming die bottom plate is connected in the working cavity, a fixing plate is welded on the left side and the right side of the chamfer of the front, two guide screws are respectively arranged on the fixing plates on the left side and the right side in a normal direction and matched with the guide screws, a locking nut is arranged on the top surface of the fixing plate, the bottom end of the guide screw is connected with the forming die bottom plate, a front extruding module is fixed on the forming die bottom plate positioned on the front through bolts, and a rear extruding module is fixed on the forming die bottom plate positioned on the rear through bolts; the bottom of the working cavity is fixedly provided with a bottom extrusion module through a bottom die fixing seat, the left ends of the front extrusion module, the rear extrusion module and the bottom extrusion module are respectively provided with a universal joint, and the universal joints on the front extrusion module, the rear extrusion module and the bottom extrusion module are connected with the universal joints on the three forming driving gears through driving shafts;
the feeding module comprises a feeding groove, the feeding groove is fixed at the front end of the connecting beam, the centers of the feeding groove and the intermediate frequency heater are designed at equal height, a pushing rod is arranged in the feeding groove, the left end of the pushing rod is connected with an inner core in a threaded manner, the inner core and the inside of the pushing rod are hollow, a plurality of fixing rings are arranged at the top of the front side wall of the feeding groove, and a feeding guide rod is commonly fixed on the fixing rings; the front side of the feeding groove is provided with a metal pipe pushing module, the metal pipe pushing module comprises a feeding driving bin, a driving screw is transversely arranged in the feeding driving bin, the left end of the driving screw is connected with a feeding driving motor at the left end of the feeding driving bin, the driving screw in the feeding driving bin is connected with a driving block, the top of the driving block is connected with a feeding guide rod into a whole, and the feeding guide rod is connected with the fixing nut at the top of the pushing barrel into a whole through a connecting sleeve at the left side of the driving block; the pushing cylinder is arranged in a left-right penetrating cylindrical structure, and the pushing rod penetrates through the center of the pushing rod;
the right side of the pushing rod is an inner core pushing module, the inner core pushing module is supported by a supporting group, the supporting group comprises at least two supporting columns, a pushing rod fixing block is arranged on the supporting column positioned on the left side, after the pushing rod passes through the pushing rod fixing block, the right side of the pushing rod penetrates through a middle fixing sleeve left and right and is connected with the right fixing sleeve on the left side of the middle fixing sleeve, the right side of the right fixing sleeve is connected with a water supply gun head, and a plurality of cushion blocks are sleeved on the pushing rod between the middle fixing sleeve and the right fixing sleeve; the inner kernel pushing module is supported and fixed through a pushing rod fixing block and a supporting column on the right side, the inner kernel pushing module comprises an I-shaped steel which is transversely arranged left and right, fixed angle steels are welded on the front side and the rear side of the left end and the right end of the I-shaped steel respectively, a bearing seat is arranged on the two fixed angle steels on the left end face of the I-shaped steel respectively, the front bearing seat and the rear bearing seat jointly support a fluted disc, and the right end and the left end of the I-shaped steel are arranged in the same structure; the fluted disc at the left end and the fluted disc at the right end jointly encircle a circle of driving chain; a driving fluted disc is arranged on the fluted disc on the left side or the right side in a forward or backward extending way, and is connected with an inner core pushing driving motor fixed at the bottom of the I-shaped steel; the middle height of the front side surface of the I-shaped steel is provided with a guide rail in a penetrating manner in the left-right direction, the guide rail is fixedly provided with a middle fixing block and a right fixing block, the structures of the middle fixing block and the right fixing block are the same as those of the parts fixed by the middle fixing block, the top of the middle fixing block is provided with a fixing flat plate, the middle part of the middle fixing block extends to the guide rail and is fixed on the guide rail, the fixing flat plate is vertically provided with a screw in a penetrating manner and is connected with a bottom pulling block at the bottom of the screw through a tension spring, the bottom pulling block penetrates through the guide block, and the bottom end surface of the bottom pulling block is welded on a middle fixing sleeve; the bottom pulling block positioned on the right fixed block is connected with the top of the right fixed sleeve; the right side fixing block is fixedly connected with the driving chain through a connecting sheet and is positioned at the left side part of the middle fixing block, and a synchronous pushing block is welded on the driving chain;
the right side top at the shaping platform, directly over the junction of front side extrusion module and rear side extrusion module and bottom extrusion module, it extends fixedly a fixed extension piece to the left, and the left end of extension piece is vertical to be provided with a hoist and mount screw rod, and the bottom of hoist and mount screw rod is connected with a hoist and mount ring, and hoist and mount intra-annular fixed has a conveyer pipe, conveyer pipe one end fix in hoist and mount intra-annular, its other end extends to inside the hollow drive gear.
2. The fin heat exchange tube extrusion molding apparatus as set forth in claim 1, wherein: the heating module comprises a heating base, an intermediate frequency heater is fixed at the top of the heating base, and the center of the intermediate frequency heater is arranged at the same height as the center of the area surrounded by the front side extrusion module, the rear side extrusion module and the bottom extrusion module.
3. The fin heat exchange tube extrusion molding apparatus as set forth in claim 1, wherein: the material table comprises three tall upright posts transversely arranged at the rear end and three short upright posts transversely arranged at the front end, wherein the tops of the tall upright posts and the short upright posts are fixedly connected through connecting beams; the feeding device comprises a feeding module, a connecting beam, a rotary shaft, a plurality of swinging discs, a driving wheel, a feeding driving motor, a chain or a belt, wherein the connecting beam is close to the feeding module, the rotary shaft penetrates through the connecting beam left and right, the swinging discs are uniformly distributed left and right on the rotary shaft, the same material stirring protrusions are arranged at the same angle of each swinging disc, the material stirring protrusions rotate along with the swinging discs, the driving wheel is arranged at the rightmost end of the rotary shaft, the feeding driving motor is arranged below the driving wheel, and the feeding driving motor is arranged at the bottom of the connecting beam and connected with the driving wheel through the chain or the belt.
4. The fin heat exchange tube extrusion molding apparatus as set forth in claim 1, wherein: and three forming driving gears meshed with the hollow driving gears are uniformly distributed around the hollow driving gears, the three forming driving gears take the center of the hollow driving gears as an origin, and the adjacent two forming driving gears are arranged at an angle of 120 degrees.
5. The fin heat exchange tube extrusion molding apparatus as set forth in claim 1, wherein: the front side extrusion module, the rear side extrusion module and the bottom extrusion module are movable and detachable, have the same structure and are composed of a fixed base on the left side and the right side and a module bottom plate, and the module bottom plate is provided with strip holes or arc-shaped strip holes which are matched with strip grooves or arc grooves on the molding module bottom plate; a plurality of extrusion blades are fixed between the fixed bases arranged on the left side and the right side, and are annularly arranged and fixed between the fixed bases on the left side and the right side through fixing shafts.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811272270.2A CN109351879B (en) | 2018-10-30 | 2018-10-30 | Hot extrusion forming equipment for fin heat exchange tube |
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| CN201811272270.2A CN109351879B (en) | 2018-10-30 | 2018-10-30 | Hot extrusion forming equipment for fin heat exchange tube |
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| CN109351879B true CN109351879B (en) | 2024-03-26 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110102588A (en) * | 2019-05-23 | 2019-08-09 | 广东星星制冷设备有限公司 | A kind of preparation facilities revolving wing aluminum pipe and the preparation process using it |
| CN115945605B (en) * | 2023-03-14 | 2023-05-23 | 江苏萃隆精密铜管股份有限公司 | Extrusion type high-fin tube forming equipment |
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| CN109351879A (en) | 2019-02-19 |
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