CN115475997A - Spiral finned tube fin gulleting production line - Google Patents

Abstract

The invention discloses a spiral-finned tube fin toothing production line, which comprises a steel strip unwinding mechanism, a steel strip splitting in two gearing machine, and a steel strip winding mechanism arranged sequentially along the steel strip conveying direction. The structure of the steel belt gear splitting machine consists of: a frame, a lower shaft driven by a lower shaft transmission mechanism is supported between the left and right support plates of the frame, and a lower tooth cutter is installed on one side of the lower shaft On the outer peripheral surface of the lower-toothed cutterhead, several lower-toothed sipes are evenly spaced along the edge of the cutterhead, and a lower-toothed cutter head is formed between each adjacent two lower-toothed sipes, and the machine above the lower shaft The upper shaft is arranged on the frame, and the lower shaft and the upper shaft rotate synchronously through the gear assembly. The upper teeth are installed on the shaft end of the upper shaft to open the disc. On the outer peripheral surface of the upper tooth cutter head, a number of holes are evenly spaced along the edge of the cutter head. The lower toothed cutter head of the toothed cutterhead is embedded in the upper toothed sipes, and an upper toothed cutter head is formed between every two adjacent upper toothed sipes. The invention has the advantage of high working efficiency.

Description

A spiral finned tube fin gearing production line

technical field

The invention relates to the technical field of auxiliary processing equipment for spiral finned tubes, in particular to a production line for gearing fins of spiral finned tubes for gearing fins of spiral finned tubes.

Background technique

Spiral finned tube is the main heat exchange element in the heat exchange equipment used to recover the waste heat of flue gas. Generally processed from flat steel strip. Since the spiral finned tube was applied to the actual production, people have been discussing its optimal design. The research shows that the helical finned tube with serrated fins is the optimal structure, which can not only increase the heat transfer area of the tube bundle, but also reduce the resistance characteristics and reduce the dust blocking.

At present, the invention patent with the patent application number of 202110086460.0 discloses a high-speed steel strip gear cutting machine for toothing the steel belt. The tooth opening mechanism is composed of a tooth opening positioning module for positioning the steel belt and a rotating shaft arranged on one side of the tooth opening positioning module. Several blade discs are sequentially set on the rotating shaft. Each blade disc is provided with a cutter head protruding from the outer peripheral surface of the blade disc, and all the cutter heads are dislocated in sequence from front to back, so that each cutter head can pass through the tooth opening positioning module one by one when rotating with the rotating shaft, and Gearing is carried out on the steel belt in the toothing positioning module. The toothing process is: the servo pulling mechanism pulls a section of flat steel belt to be toothed into the toothing positioning module, and then the cutter heads on each blade disc rotate one circle with the rotating shaft to match the teeth entering the toothing positioning module. A section of steel belt to be toothed is toothed. After the section of flat steel belt is toothed, the servo pulling mechanism pulls a section of flat steel belt to be toothed into the toothing positioning module. The rotating shaft rotates one circle to perform toothing on the section of the steel belt to be toothed that enters the toothing positioning module.

The disadvantages of this kind of gear opening machine are: (1) When the gear is opened, the cutter head rotates with the rotating shaft and passes through the steel belt in the gear opening positioning module, and the cutter head cuts off a piece of toothed steel belt material to make the steel belt The tooth-shaped gap is formed on the edge of the belt, and the cut-off tooth-shaped steel belt material is waste, which causes waste of materials and increases the production cost of the enterprise; (2) It may cause incomplete separation of the tooth pieces, and the waste teeth will not fall off cleanly, requiring a second Cleaning; (3) Since the blade is a combination, the assembly requirements are high, and when the teeth are opened during the blade gap, the blade may crack; (4) The structure is complex, the servo pulling mechanism is a necessary component, and the receiving mechanism needs to follow the servo The frequency of the pulling mechanism performs intermittent feeding, that is, after the servo pulling mechanism pulls out a section of zigzag steel belt, the feeding mechanism performs another feeding action on the section of zigzag steel belt, which affects production efficiency.

Contents of the invention

The purpose of the present invention is to provide a spiral fin toothing production line that does not produce waste, can be produced continuously and has high production efficiency.

In order to achieve the above object, the present invention adopts the following technical solutions: a spiral finned tube and fin toothing production line, including a steel strip unwinding mechanism arranged in sequence along the steel strip conveying direction for unwinding a flat steel strip coil , a steel belt splitting machine for rolling and cutting a continuous flat steel belt into two continuous zigzag steel belts, and a steel belt winding machine for simultaneously winding two continuous zigzag steel belts Rolling mechanism, the structure of the steel belt splitting into two gearing machines includes: a frame, on the top of the frame are installed two support plates that are relatively distributed on the left and right, between the two support plates is supported a transmission mechanism driven by the lower shaft The lower shaft that drives the rotation is installed with a lower-toothed cutter head on one side of the lower shaft. On the outer peripheral surface of the lower-toothed cutter head, a number of lower-toothed sipes are evenly spaced along the edge of the cutter head. A lower tooth-shaped cutter head is formed between the tooth-shaped sipe, and an upper shaft is arranged on the frame above the lower shaft. There is an upper tooth opening corresponding to the lower tooth cutter head downwards. On the outer peripheral surface of the upper tooth cutter head, there are evenly spaced along the edge of the cutter head with a number of upper tooth-shaped sipes that can just fit the lower tooth-shaped cutter head of the lower tooth cutter head. , and each adjacent two upper toothed sipes form an upper toothed cutter head that can just embed the lower toothed sipe of the lower toothed cutter head, the upper toothed cutter head and the lower toothed cutter head follow the corresponding upper shaft and When the lower shaft rotates synchronously, the upper toothed cutterhead of the upper toothed cutterhead will continuously rotate and fit into the lower toothed groove of the lower toothed cutterhead, while the lower toothed cutterhead of the lower toothed cutterhead will continuously rotate and fit into the upper toothed cutterhead The upper tooth-shaped sipes, so that a continuous flat steel belt passing between the upper tooth cutter head and the lower tooth cutter head is rolled and cut into two continuous zigzag steel belts.

Further, the aforementioned spiral finned tube fin toothing production line, wherein: the structure of the steel strip unwinding mechanism includes: a column, a vertically placed backing plate is fixed on one side of the column, and a vertically placed backing plate is fixed horizontally and laterally on the column There is an unwinding shaft, and the unwinding shaft passes through the column horizontally and horizontally through the backing plate and is movable to cover the inner core. The outer peripheral surface of the inner core is uniformly provided with three first gaps along the circumferential direction, and the outer sleeve of the inner core is provided with a flat The outer core in which the steel strip coil is inserted is evenly provided with three second gaps along the circumferential direction on the outer peripheral surface of the outer core, the first gap of the inner core and the second gap of the outer core are arranged in a dislocation, and the pipe seat is arranged on the outside of the backing plate , on the pipe seat, there is detachably inserted a material retaining frame that can cooperate with the backing plate to prevent the flat steel strip coil sheathed on the outer core from breaking away from the outer core.

Further, in the aforementioned spiral finned tube fin gearing production line, wherein: the connection structure between the unwinding shaft and the inner core is specifically: between the unwinding shaft and the inner core, a bearing sleeved on the outside of the unwinding shaft is arranged The bearing seat and the inner core are fixed by connecting bolts. There is a bearing in the bearing seat. The bearing outer ring of the bearing is tightly fitted with the bearing seat, and the bearing inner ring of the bearing is tightly fitted with the shaft body of the unwinding shaft. , There is a positioning shoulder on the shaft of the unwinding shaft on one side of the bearing for the inner ring of the bearing to lean against, and a positioning washer is set on the shaft of the unwinding shaft on the other side of the bearing to withstand the inner ring of the bearing. The unwinding shaft outside the washer is threaded with the first lock nut. When the first lock nut is tightened, it can push the positioning washer to move towards the inner ring of the bearing until the positioning washer pushes the inner ring of the bearing against the positioning shoulder. .

Further, the aforementioned spiral finned tube fin toothing production line, wherein: the structure of the steel strip winding mechanism includes: a winding frame, a winding shaft driven by a winding motor is supported in the winding frame, The winding motor is controlled by the PLC control system. Three retaining turntables are set at intervals on the winding rotating shaft, and a winding core is set on the winding rotating shaft between each adjacent two retaining turntables.

Further, the aforementioned spiral finned tube fin gearing production line, wherein:

The specific installation structure of the upper toothed cutter head on the upper shaft includes: the shaft end of the upper shaft used to install the upper toothed cutter head is the first tapered shaft section and the first external threaded shaft section from the inside to the outside in the axial direction, and the first The surface of the tapered shaft section is smooth and its caliber gradually decreases from inside to outside. The caliber of the first externally threaded shaft section is consistent with the caliber of the small-diameter end of the first tapered shaft section. The inner hole at the shaft end is a tapered hole whose caliber matches the diameter of the first tapered shaft section of the upper shaft. The first externally threaded shaft section at the shaft end is threadedly connected with an upper lock nut for locking and fixing the upper-toothed cutterhead sleeved on the first tapered shaft section to the shaft end of the upper shaft;

The specific installation structure of the lower tooth cutterhead on the lower shaft includes: the shaft end of the lower shaft used to install the lower tooth cutterhead is the second tapered shaft section and the second external thread shaft section along the axial direction from inside to outside. The surface of the shaped shaft section is smooth and its caliber gradually decreases from the inside to the outside. The caliber of the second externally threaded shaft section is consistent with the caliber of the small-diameter end of the second tapered shaft section. The lower tooth cutter head is used to fit on the lower shaft. The inner hole at the shaft end is a tapered hole whose diameter matches the diameter of the second tapered shaft section of the lower shaft. The second externally threaded shaft section is threadedly connected with a lower lock nut for locking and fixing the lower toothed cutterhead sleeved on the second tapered shaft section to the shaft end of the lower shaft.

Further, the aforementioned spiral finned tube fin toothing production line, wherein: the upper toothed sipe and the upper toothed cutter head of the upper toothed cutter head are arranged on the large diameter side of the inner hole of the upper toothed cutter head, and The outer peripheral surface of the upper-toothed cutterhead on the small-diameter side of the inner hole is provided with a first limit retaining ring protruding from the outer wall of the upper-toothed cutterhead; There is a second stop ring protruding from the outer wall of the lower tooth cutter head on the small diameter side of the inner hole of the tooth cutter head and the outer peripheral surface of the lower tooth cutter head on the large diameter side of the inner hole. The distance between the two limit retaining rings can just pass through for the flat steel belt.

Further, the aforementioned spiral finned tube fin toothing production line, wherein: the structure of the lower shaft transmission mechanism includes: a power motor installed at the bottom of the frame, the power motor is controlled by a PLC control system, and the output of the power motor A driving sprocket is set on the shaft, a driven sprocket is set on the shaft end of the lower shaft, a transmission chain is wound between the driving sprocket and the driven sprocket, and a Press the transmission chain inward to tighten the tensioning sprocket of the transmission chain. The tensioning sprocket can be freely rotatably supported on the end of the displacement adjustment screw. The guide hole is screwed with a pair of fastening nuts for locking and fixing the displacement adjusting screw rod on the frame on the displacement adjusting screw rod.

Further, the aforementioned spiral fin tube fin gearing production line, wherein: the upper shaft is installed on the frame through the upper shaft lifting adjustment mechanism, and the structure of the upper shaft lifting adjustment mechanism includes: supports on the left and right sides of the frame A vertical guide groove is respectively arranged on the board, and a bearing seat is slidably arranged in the vertical guide groove of each support plate. The shaft ends on both sides of the upper shaft are supported in the two bearing seats through bearings, and each A screw base is fixed on the top, a vertical screw is fixed on each screw base, a fixed beam is installed on the frame above each bearing seat, and a vertical through-fixing bracket is arranged in each fixed beam. The crossbeam is downwardly corresponding to the through hole of the vertical screw rod on the same side, and the vertical screw rod on each screw rod seat passes through the corresponding through hole upwards to correspond to the fixed crossbeam, and is threadedly connected to the limit nut.

Further, the aforementioned spiral finned tube fin toothing production line, wherein: on the input side of the steel belt splitting machine in two, along the steel belt conveying direction, a steel belt assembly and a feed guide wheel assembly are sequentially arranged , On the output side of the steel belt splitting machine in two, a pressure guide assembly and a discharge guide wheel assembly are arranged in sequence along the steel belt conveying direction.

Further, the aforementioned spiral finned tube fin toothing production line, wherein: the structure of the press belt assembly includes: a press bar, one end of the press bar is hinged to the upper tooth cutter head and the lower tooth cutter head through a pin shaft On the frame on the input side between, the other end of the pressing rod is hinged with a pressing wheel through a rotating shaft.

Further, in the aforementioned spiral finned tube fin toothing production line, the structure of the pressure guide assembly includes: two pressing plates located on the output side between the upper tooth cutter head and the lower tooth cutter head, each pressing The material plate is installed on the support plate on the corresponding side of the frame through the adjusting bolt, and the two pressure plates are respectively located on the upper and lower sides of the output steel strip cut by the upper tooth cutter head and the lower tooth cutter head.

Further, the aforementioned spiral fin tube fin toothing production line, wherein: the left and right support plates are connected together by four tie rods, and a threaded locking hole is provided at the bottom of each support plate, and each support plate On the top plate of the corresponding rack, there are waist-shaped holes in the left and right directions and corresponding to the threaded lock holes. Bottom bolts are pierced in the corresponding waist-shaped holes and threaded lock holes. Each support plate is installed on the corresponding bottom bolts. rack top plate.

Furthermore, in the aforementioned spiral finned tube fin toothing production line, the specific installation structure of the upper shaft includes: two upper installation holes are arranged oppositely on the upper parts of the two support plates, and each upper installation hole The upper bearing seat is installed, and the upper bearings are respectively installed on the two sides of the upper shaft. The upper shaft is supported in the two upper bearing seats of the two support plates through the two upper bearings. The first upper shaft anti-movement assembly and the second upper shaft anti-movement assembly are installed on the shaft body to prevent the upper shaft from moving left and right. The first upper shaft anti-movement assembly is close to the inner wall of the left support plate, and the second The upper shaft anti-movement component is close to the inner wall of the right support plate. The first upper shaft anti-movement component is the first bushing, the first flexible gasket and the first rigidity that are fitted on the upper shaft in sequence from left to right. Composed of locking washers, the second upper shaft anti-movement component is composed of the second sleeve, the second flexible washer and the second rigid lock washer that are set on the upper shaft from right to left in sequence; the lower shaft's The specific installation structure includes: there are two lower mounting holes opposite to each other at the bottom of the two support plates, a lower bearing seat is installed in each lower mounting hole, lower bearings are respectively installed on both sides of the lower shaft, and the lower shaft passes through The two lower bearings are supported in the two lower and upper bearing seats of the two supporting plates, and the third lower shaft anti-movement assembly and the The fourth lower shaft anti-move assembly, the third lower shaft anti-move assembly is close to the inner wall of the left support plate, the fourth lower shaft anti-move assembly is close to the inner wall of the right support plate, the third lower shaft anti-move assembly The component is composed of the third shaft sleeve, the third flexible gasket and the third rigid locking gasket which are sequentially fitted on the lower shaft from left to right. The fourth lower shaft anti-tampering component is fitted on the The fourth shaft sleeve on the lower shaft, the fourth flexible gasket and the fourth rigid locking gasket are composed.

Through the implementation of the above-mentioned technical solution, the beneficial effects of the present invention are: (1) When the teeth are opened, the flat steel strip is rolled and cut into two zigzag steel strips through the upper tooth cutter head and the lower tooth cutter head, and the two zigzag steel belts are When the steel belts are aligned, they can just be assembled into a complete flat steel belt, that is, there will be no waste during the toothing process, and no waste of materials will be caused, thereby reducing the cost of the enterprise; (2) The steel belt winding mechanism and The steel belt one-to-two gear cutting machine operates synchronously, the steel belt is cut by the one-to-two gear cutting machine, and the steel belt winding mechanism is rewinding at the same time, the whole tooth cutting and winding process is continuous and uninterrupted, which greatly improves the work efficiency; ( 3) The servo pulling mechanism of the original tooth opening equipment is omitted, which simplifies the equipment and the structure is simpler; (4) The steel strip unwinding mechanism unwinds more smoothly, which is conducive to the improvement of work efficiency; (5) The production line adopts intelligent super control, which greatly reduces the work intensity of employees and reduces labor costs; (6) The toothed cutter head can be designed and replaced according to needs.

Description of drawings

Fig. 1 is a structural schematic diagram of a spiral finned tube fin gearing production line according to the present invention.

Figure 2 is a schematic diagram of the change of the steel strip.

Fig. 3 is a structural schematic diagram of a steel belt splitting machine.

Fig. 4 is a schematic diagram of the structure in the right direction of Fig. 3 .

Fig. 5 is a schematic diagram of the positional relationship between the upper toothed cutterhead and the lower toothed cutterhead in the right view direction of Fig. 4 .

Fig. 6 is a schematic structural view of Fig. 5 after the upper and lower tooth cutters are hidden.

Fig. 7 is a schematic diagram of the structure of the upper tooth cutter head.

FIG. 8 is a schematic cross-sectional view of FIG. 7 .

Fig. 9 is a schematic diagram of the structure of the lower tooth cutter head.

FIG. 10 is a schematic cross-sectional view of FIG. 9 .

Fig. 11 is a schematic diagram of the assembly of the upper shaft and the upper tooth cutter head.

Figure 12 is a schematic diagram of the assembly of the lower shaft and the lower tooth cutter head.

Fig. 13 is a structural schematic diagram of a steel strip unwinding mechanism.

FIG. 14 is a schematic structural view of the section A-A shown in FIG. 13 .

FIG. 15 is an enlarged schematic view of part B shown in FIG. 14 .

Figure 16 is a schematic cross-sectional view of the unwinding shaft.

Fig. 17 is a structural schematic diagram of a steel strip winding mechanism.

Fig. 18 is a schematic diagram of the installation structure of the upper shaft, the lower shaft and two support plates.

detailed description

In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

As shown in Figure 1, Figure 2, Figure 3, Figure 4, Figure 5, Figure 6, Figure 7, Figure 8, Figure 9, Figure 10, Figure 11, Figure 12, and Figure 18, the described spiral fin The tube fin toothing production line includes a steel strip unwinding mechanism 25 arranged in sequence along the steel strip conveying direction for unwinding a flat steel strip, and a steel strip unwinding mechanism 25 for rolling and cutting a continuous flat steel strip into two continuous strips. The steel belt of the zigzag steel strip splits into two gears 31, and the steel strip winding mechanism 29 for simultaneously rewinding two continuous zigzag steel strips, the steel belt splits into two gears 31 The structure includes: a frame 1, on the top of the frame 1 are installed two support plates 2 that are relatively distributed on the left and right. In this embodiment, the specific installation structure of the two support plates 2 includes: the left and right support plates 2 pass through The root pull rods 32 are connected together, and the bottom of each support plate 2 is provided with a threaded lock hole, and the corresponding frame top plate 33 of each support plate is provided with a left-right direction and a waist-shaped hole corresponding to the threaded lock hole. Bottom bolts 34 are perforated in the corresponding waist-shaped holes and threaded lock holes, and each support plate 2 is installed on the top plate 33 of the frame through the corresponding bottom bolts 34, so that not only the distance between the two support plates can be easily adjusted , and the connection between the two support plates is stable; between the two support plates 2, the lower shaft 3 driven by the lower shaft transmission mechanism is supported, and the lower tooth cutterhead 4 is installed on one side of the lower shaft 3. The outer peripheral surface of the toothed cutterhead 4 is provided with a number of lower toothed sipe 41 evenly spaced along the edge of the cutterhead, and a lower toothed cutter head 42 is formed between each adjacent two lower toothed sipes 41. The upper shaft 5 is arranged above, and the upper shaft 5 is installed on the frame 1 through the upper shaft lifting adjustment mechanism. The upper tooth opening plate 6 corresponding to the lower tooth cutter head 4 is installed downwards, and the outer peripheral surface of the upper tooth cutter head 6 is evenly spaced along the edge of the cutter head. The upper tooth-shaped sipe 61 of the upper tooth-shaped sipe 61, and the upper tooth-shaped cutter head 62 that can just embed the lower tooth-shaped sipe 41 of the lower-toothed cutter head 4 is formed between every two adjacent upper tooth-shaped sipe 61, and the upper tooth-shaped knife When the disk 6 and the lower toothed cutter head 4 rotate synchronously with the corresponding upper shaft 5 and the lower shaft 3, the upper toothed cutter head 62 of the upper toothed cutter head 6 will continuously rotate and insert into the lower toothed knife groove 41 of the lower toothed cutter head 4, At the same time, the lower toothed cutter head 42 of the lower toothed cutterhead 4 can constantly rotate and embed the upper toothed cutter groove 61 of the upper toothed cutterhead 6, thereby passing through a continuous line between the upper toothed cutterhead 6 and the lower toothed cutterhead 4. The flat steel strip is rolled and cut into two continuous zigzag steel strips;

In this embodiment, as shown in Fig. 13, Fig. 14, Fig. 15 and Fig. 16, the structure of the steel strip unwinding mechanism 25 includes: a column 251, a vertically placed backing plate 252 is fixed on one side of the column 251, An unwinding shaft 253 is fixed horizontally and horizontally on the column 251. The unwinding shaft 253 passes through the support plate 252 horizontally and horizontally through the column 251. After the movable sleeve is equipped with an inner core 254, the outer peripheral surface of the inner core 254 is evenly arranged with three The first gap 2541, the outside of the inner core 254 is covered with an outer core 255 for the flat steel coil to be inserted, and three second gaps 2551 are evenly arranged on the outer peripheral surface of the outer core 255 along the circumferential direction, and the first gap of the inner core 254 2541 and the second notch 2551 of the outer core 255 are misplaced, and the tube base 256 is arranged on the outside of the backing plate 252, and there is detachably inserted on the tube base 256, which can cooperate with the backing plate 252 and prevent it from being set on the outer core 255. The flat steel strip coil breaks away from the material retainer 257 of the outer core 255, and the above-mentioned steel strip unwinding mechanism has a simple structure and is easy to use; The flat steel strip roll is enclosed within the outer core 255, and then the material stopper 257 is inserted into the pipe seat 256 again; The special structural design of the inner core 254 and outer core 255 can make the flat steel coil unwind more smoothly;

In this embodiment, the connection structure between the unwinding shaft 253 and the inner core 254 is as follows: between the unwinding shaft 253 and the inner core 254, a bearing seat 258 sleeved on the outside of the unwinding shaft 253 is provided, and the bearing seat 258 is connected to the inner core 254. The core 254 is fixed by connecting bolts 259, and a bearing is arranged in the bearing seat 258. The bearing outer ring 260 of the bearing is tightly matched with the bearing seat 258, and the bearing inner ring 261 of the bearing is tightly fitted with the shaft body of the unwinding rotating shaft 253. Matching, the unwinding shaft 253 on one side of the bearing is provided with a positioning shoulder 262 for the bearing inner ring 261 to lean against, and the unwinding shaft 253 shaft on the other side of the bearing is covered with a ring to withstand the bearing inner ring 261 The positioning washer 263 is threaded on the unwinding shaft 253 outside the positioning washer 263 and is threaded with a first lock nut 264. When the first lock nut 264 is tightened, it can push the positioning washer 263 to move toward the bearing inner ring 261 until The positioning washer 263 tightens the bearing inner ring 261 on the positioning shoulder 262; in this embodiment, the other side of the unwinding shaft 253 passes through the support plate 252 and passes through the column 251, and then is screwed with a second lock nut 265, when the second locking nut 265 is tightened, the unwinding rotating shaft 253 can be locked and fixed on the column 251 and the backing plate 252, so that the unwinding rotating shaft 253 can be easily disassembled;

In this embodiment, as shown in Figure 17, the structure of the steel strip winding mechanism 29 includes: a winding rack 291, in which a winding shaft 293 driven by a winding motor 292 is supported, and the winding The motor 292 is controlled by a PLC control system. Three stopper turntables 294 are set on the winding shaft 293 at intervals, and a rewinding core 295 is set on the takeup turntable 293 between each adjacent two stopper turntables 294;

In this embodiment, the specific installation structure of the upper toothed cutterhead 6 on the upper shaft 5 includes: the axial end of the upper shaft 5 used to install the upper toothed cutterhead 6 is sequentially arranged in the first tapered shaft section from inside to outside in the axial direction 51 and the first externally threaded shaft section 52, the surface of the first tapered shaft section 51 is smooth and its caliber gradually decreases from inside to outside, the caliber of the first externally threaded shaft section 52 is the same as the small diameter of the first tapered shaft section 51 The caliber of the end is consistent, and the inner hole 63 on the upper tooth cutter head 6 is used to be set on the shaft end of the upper shaft. The first tapered shaft section 51 on the shaft end of the upper shaft is tightly fitted through the tapered hole, and the first externally threaded shaft section 52 on the shaft end of the upper shaft is threadedly connected with an upper-toothed cutterhead for being sleeved on the first tapered shaft section 51 6 Lock the upper lock nut 7 fixed on the shaft end of the upper shaft; the installation structure of the upper tooth cutter head 6 and the upper shaft 5 is not only simple in structure, stable in connection, easy to disassemble, but also can effectively prevent the upper tooth cutter head 6 from Axial movement occurs on the upper shaft 5 during work, thereby improving the stability of the equipment;

The specific installation structure of the lower toothed cutter head 4 on the lower shaft 3 includes: the shaft end of the lower shaft 3 for installing the lower toothed cutter head 4 is sequentially arranged from the inside to the outside in the axial direction as the second tapered shaft section 31 and the second external threaded shaft. Section 32, the surface of the second tapered shaft section 31 is smooth and its caliber gradually decreases from the inside to the outside, the caliber of the second externally threaded shaft section 32 is consistent with the caliber of the small diameter end of the second tapered shaft section 31, and the lower teeth The inner hole 43 on the cutter head 4 for fitting on the shaft end of the lower shaft 3 is a tapered hole whose diameter matches the diameter of the second tapered shaft section 31 of the lower shaft 3, and the lower tooth cutter head 4 is tightly fitted through the tapered hole The second tapered shaft section 31 at the shaft end of the lower shaft 3 is threadedly connected with the second externally threaded shaft section 32 at the shaft end of the lower shaft 3 to lock and fix the lower toothed cutterhead 4 sleeved on the second tapered shaft section 31 on the lower shaft The lower lock nut 8 at the end of the 3 shaft, the installation structure of the lower tooth cutter head 4 and the lower shaft 3 is not only simple in structure, stable in connection, easy to disassemble, but also can effectively prevent the lower tooth cutter head 4 from being caught on the lower shaft 3 when it is working. Axial movement occurs, thereby improving the stability of the equipment;

In this embodiment, the upper-toothed cutter groove 61 and the upper-toothed cutter head 62 of the upper-toothed cutterhead 6 are arranged on the upper tooth on the large-diameter side of the inner hole 63 of the upper-toothed cutterhead and on the smaller-diameter side of the inner hole 63. The outer peripheral surface of the cutter head 6 is provided with a circle protruding from the outer wall of the upper tooth cutter head 6. The first stop ring 64; the lower tooth cutter groove 41 and the lower tooth cutter head 42 of the lower tooth cutter head The small diameter side of the disc inner hole 43 and the outer peripheral surface of the lower tooth cutterhead 4 on the large diameter side of the inner hole 43 are provided with a second limit ring 44 protruding from the outer wall of the lower tooth cutterhead 4. The first limit stop The distance between the ring 64 and the second limit retaining ring 44 can just pass through for the flat steel belt, which can improve the running stability of the equipment;

In this embodiment, the structure of the lower shaft transmission mechanism includes: a power motor 9 installed at the bottom of the frame 1, the power motor 9 is controlled by a PLC control system, and a drive sprocket 10 is set on the output shaft of the power motor 9, A driven sprocket 11 is sleeved on the shaft end of the lower shaft 3, a transmission chain 12 is wound between the driving sprocket 10 and the driven sprocket 11, and a direction Internally compress the transmission chain and tension the tensioning sprocket 13 of the transmission chain 12. The tensioning sprocket 13 can be freely rotatably supported on the end of the displacement adjustment screw rod 14. The displacement adjustment screw rod 14 passes horizontally and horizontally through the machine The horizontal guide hole on the frame 1 is threaded on the displacement adjustment screw rod 14 with a pair of fastening nuts 15 for locking and fixing the displacement adjustment screw rod 14 on the frame 1. This lower shaft transmission structure can ensure The smooth operation of the shaft further improves the operation stability of the equipment;

In this embodiment, the gear assembly is: a lower gear 16 set on the shaft end of the lower shaft 3, and an upper gear 17 set on the shaft end of the upper shaft 5, the upper gear 17 meshes with the lower gear 16, and the lower shaft 3 and the upper shaft 5 Synchronous rotation is realized by the upper gear 17 and the lower gear 16;

In this embodiment, the upper shaft 5 is installed on the frame 1 through the upper shaft lifting adjustment mechanism. The structure of the upper shaft lifting adjustment mechanism includes: a vertical guide groove is respectively arranged on the support plates 2 on the left and right sides of the frame 1 18. A bearing seat 19 is slidably arranged in the vertical guide groove 18 of each support plate 2, and the shaft ends on both sides of the upper shaft 5 are supported in the two bearing seats 19 through bearings 20, and at the top of each bearing seat 19 A threaded mandrel seat 21 is fixed, and a vertical threaded mandrel 22 is fixed on each threaded mandrel seat 21, and a fixed crossbeam 23 is installed on the frame 1 above each bearing seat 19, and each fixed crossbeam 23 There is a through hole through the fixed crossbeam 23 up and down and downward corresponding to the vertical screw rod 22 on the same side. The vertical screw rod 22 on each screw mandrel seat 21 passes through the corresponding fixed crossbeam 23 upwards from the corresponding through hole, and threaded Connect the limit nut 24; when it is necessary to move the upper shaft relative to the lower shaft, you only need to rotate the limit nuts 24 on the vertical screw rods 22 on both sides at the same time, and drive the two vertical screw rods 22 to move upward synchronously, thereby driving The upper shaft 5 moves up relative to the lower shaft 3; when it is necessary to move the upper shaft 5 down relative to the lower shaft 3, it is only necessary to reversely rotate the limit nuts 24 on the vertical screw rods 22 on both sides at the same time to drive the two vertical shafts synchronously. The screw rod 22 moves down, thereby driving the upper shaft 5 to move down relative to the lower shaft 3; when in use, the height of the upper shaft 5 relative to the lower shaft 3 can be adjusted synchronously between the upper tooth cutter head 6 and the lower tooth cutter head 4 The distance between the lower tooth cutter head 6 and the lower tooth cutter head 4 can be adapted to cut flat steel strips of different thicknesses, expanding the scope of application of the equipment;

In this embodiment, on the input side of the steel strip splitting machine 31, a steel belt pressing assembly 26 and a feed guide wheel assembly 27 are sequentially arranged along the steel strip conveying direction. The output side of 31 is provided with a pressure guide assembly 35 and a discharge guide wheel assembly 28 in sequence along the conveying direction of the steel strip.

In this embodiment, the structure of the pressing steel belt assembly 30 includes: a binder rod 301, one end of the binder rod 301 is hinged to the frame on the input side between the upper tooth cutter head 6 and the lower tooth cutter head 4 through a pin shaft 302 1, the other end of the pressing rod 301 is hinged with a pressure wheel 304 through the rotating shaft 303. During use, the pressure wheel 264 will press down on the flat steel belt under its own weight and the weight of the pressing rod 261, so as to prevent the flat steel belt from Up and down jumps occur before inputting the upper toothed cutterhead 6 and the lower toothed cutterhead 4 to ensure that the flat steel belt can be smoothly fed between the upper toothed cutterhead 6 and the lower toothed cutterhead 4 to ensure product quality;

In this embodiment, the structure of the pressure guide assembly 35 includes: two pressing plates 36 located on the output side between the upper toothed cutter head 6 and the lower toothed cutter head 4, each pressing plate 36 is installed on the On the support plate 2 on the corresponding side of the frame 1, two clamping plates 36 are located on the upper and lower sides of the output steel strip cut by the upper tooth cutter head 6 and the lower tooth cutter head 4 respectively. It can effectively prevent the two zigzag steel belts outputted by the upper tooth cutter head 6 and the lower tooth cutter head 4 from rotating with the cutter head, avoiding the occurrence of the cutter head being stuck by the zigzag steel belts that are tilted up with the rotation of the cutter head, and improving the Improve the stability of the equipment;

In this embodiment, the specific installation structure of the upper shaft 5 includes: two upper installation holes are arranged oppositely on the upper parts of the two support plates 2, and an upper bearing seat is installed in each upper installation hole. Upper bearings are respectively installed on the side shaft ends, and the upper shaft 5 is supported in two upper bearing seats of two support plates 2 by two upper bearings, and the shaft body of the upper shaft 5 between the two support plates 2 is installed to prevent The first upper shaft anti-movement assembly 38 and the second upper shaft anti-movement assembly 39 for the left and right movement of the upper shaft. The movement component 39 is close to the inner side wall of the right side support plate 2. The first upper shaft anti-movement component 39 is the first bushing 381, the first flexible gasket 382 and the first shaft sleeve 381 which are sequentially fitted on the upper shaft 5 from left to right. A rigid locking washer 383 is formed, and the second upper shaft anti-movement component 39 is a second shaft sleeve 391, a second flexible washer 392 and a second rigid lock that are sequentially fitted on the upper shaft 5 from right to left. tight gasket 393; the specific installation structure of the lower shaft 3 includes: two lower mounting holes are arranged oppositely at the bottom of the two supporting plates 2, and a lower bearing seat is installed in each lower mounting hole, and the two mounting holes of the lower shaft 3 Lower bearings are respectively installed at the ends of the side shafts, and the lower shaft 3 is supported in the two upper and lower bearing seats of the two support plates 2 through the two lower bearings. The third lower shaft anti-move assembly 40 and the fourth lower shaft anti-move assembly 41 to prevent the left and right movement of the lower shaft, the third lower shaft anti-move assembly 40 is close to the inner side wall of the left support plate 2, the fourth lower shaft The anti-movement component 41 is close to the inner wall of the right side support plate. The third lower shaft anti-movement component 40 is the third sleeve 401, the third flexible gasket 402 and the third sleeve 401 which are fitted on the lower shaft 3 from left to right. Composed of three rigid locking washers 403, the fourth lower shaft anti-movement assembly 41 is the fourth sleeve 411, the fourth flexible washer 412 and the fourth rigid locking assembly which are sequentially fitted on the lower shaft from right to left. Composition of gasket 413;

The working principle of the present invention is as follows:

Preparatory work: first pull out the stopper 257 inserted in the tube seat 256, then wrap the flat steel strip to be toothed on the outer core 255, then insert the stopper 257 into the tube seat 256 again, and then manually or The manipulator draws one end of the flat steel strip coil to the steel strip splitting machine 31 through the pressing steel strip assembly 26 and the feed guide wheel assembly 27, and then starts the power motor 9 of the steel strip splitting machine 31, and the power The motor 9 drives the lower shaft 3 to rotate through the driving sprocket 10, the transmission chain 12 and the driven sprocket 11. When the lower shaft 3 rotates, it drives the lower gear cutter head 4 to rotate synchronously. The lower shaft 3 simultaneously drives the upper gear 17 through the lower gear 16 for synchronization. Rotate, when the upper gear 17 rotates, the upper shaft 5 is driven synchronously to rotate, and when the upper shaft 5 rotates, the upper tooth cutterhead 6 is synchronously driven to rotate, so that the upper shaft 5 and the lower shaft 3 rotate synchronously, and when the upper shaft 5 and the lower shaft 3 rotate synchronously Drive the upper toothed cutterhead 6 and the lower toothed cutterhead 4 to rotate synchronously, and when the upper toothed cutterhead 6 and the lower toothed cutterhead 4 rotate synchronously with the corresponding upper shaft 5 and lower shaft 3, the upper toothed cutter head of the upper toothed cutterhead 6 62 can constantly rotate and embed the lower toothed sipe 41 of the lower toothed cutterhead 4, and simultaneously the lower toothed cutter head 42 of the lower toothed cutterhead 4 can constantly rotate and embed the upper toothed sipe 61 of the upper toothed cutterhead 6, thereby A continuous flat steel belt between the upper tooth cutter head 6 and the lower tooth cutter head 4 is rolled and cut into two continuous zigzag steel belts; until the length of the two zigzag steel belts is enough to be pulled to the steel belt by the worker When the winding mechanism 29, stop the action of the power motor 9, so that the upper tooth cutter head 6 and the lower tooth cutter head 4 stop moving, and then the worker or manipulator will pass the two zigzag steel strips through the pressure guide assembly and the discharge guide wheel assembly 28 respectively. Traction and winding on the two receiving cores 295 of the steel strip winding mechanism 29;

High-speed gear opening: the PLC control system controls the winding motor 292 of the steel belt winding mechanism 29, and the PLC control system simultaneously controls the power motor 9 of the steel belt splitting machine 31; the power motor 9 passes through the driving sprocket 10, The transmission chain 12 and the driven sprocket 11 drive the lower shaft 3 to rotate. When the lower shaft 3 rotates, it drives the lower tooth cutter head 4 to rotate synchronously. The lower shaft 3 drives the upper gear 17 to rotate synchronously through the lower gear 16. The upper gear 17 rotates synchronously. Drive the upper shaft 5 to rotate. When the upper shaft 5 rotates, it drives the upper tooth cutter head 6 to rotate synchronously, so that the upper shaft 5 and the lower shaft 3 rotate synchronously. When the upper shaft 5 and the lower shaft 3 rotate synchronously, it drives the upper tooth cutter head 6 and the lower shaft. The toothed cutterhead 4 rotates synchronously. When the upper toothed cutterhead 6 and the lower toothed cutterhead 4 rotate synchronously with the corresponding upper shaft 5 and lower shaft 3, the upper toothed cutter head 62 of the upper toothed cutterhead 6 will continuously rotate and embed the lower toothed cutter The lower-toothed sipe 41 of the disc 4 and the lower-toothed cutter head 42 of the lower-toothed cutterhead 4 will continuously rotate and embed the upper-toothed sipes 61 of the upper-toothed cutterhead 6, thereby passing through the upper-toothed cutterhead 6 and the lower-toothed cutterhead. A continuous flat steel belt between the toothed cutterheads 4 is continuously rolled and cut into two continuous zigzag steel belts; simultaneously, the winding motor 292 drives the two winding cores 295 to rotate synchronously by driving the winding shaft 293, so that The two receiving cores 295 continuously rewind two continuous zigzag steel strips output by the steel strip splitting machine 31.

The advantages of the present invention are: (1) When the teeth are opened, the flat steel strip is rolled and cut into two zigzag steel strips through the upper tooth cutter head and the lower tooth cutter head, and the two zigzag steel belts can be spliced exactly when they are combined. Form a complete flat steel belt, that is: there will be no waste during the gearing process, and no material waste will be caused, thereby reducing the cost of the enterprise; (2) The steel belt winding mechanism and the steel belt split into two gear machines Synchronous action, the steel belt is cut by the one-to-two gear cutting machine while the steel belt winding mechanism is rewinding. The whole tooth cutting and winding process is continuous and uninterrupted, which greatly improves the work efficiency; (3) saves the original tooth cutting The servo pulling mechanism of the equipment simplifies the equipment and the structure is simpler; (4) The steel belt unwinding mechanism unwinds more smoothly, which is conducive to the improvement of work efficiency; (5) The production line adopts intelligent override control, which greatly reduces the work intensity of employees, Reduced labor costs; (6) The toothed cutter head can be designed and replaced according to needs.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention in any other form, and any modifications or equivalent changes made according to the technical essence of the present invention still belong to the protection scope of the present invention.

Claims (10)

1. A spiral finned tube fin toothing production line is characterized in that: it includes a steel strip unwinding mechanism for unwinding a flat steel strip coil arranged successively along the steel strip conveying direction, in order to unwind a continuous A steel strip splitting machine for rolling and cutting a flat steel strip into two continuous zigzag steel strips, and a steel strip winding mechanism for simultaneously winding two continuous zigzag steel strips, the steel strip The structure of the split-in-two gear machine includes: a frame, on the top of the frame are installed two support plates that are oppositely distributed on the left and right, between the two support plates is supported a lower shaft that is driven by the lower shaft transmission mechanism, and on the bottom A lower-toothed cutterhead is installed on one side of the shaft, and a number of lower-toothed sipes are evenly spaced along the edge of the cutterhead on the outer peripheral surface of the lower-toothed cutterhead, and a number of lower-toothed sipes are formed between each adjacent two lower-toothed sipes. For the lower toothed cutter head, the upper shaft is set on the frame above the lower shaft, the lower shaft and the upper shaft rotate synchronously through the gear assembly, and the lower tooth cutter is installed on the end of the upper shaft on the same side as the lower tooth cutter head The upper tooth of the disc is opened, and on the outer peripheral surface of the upper tooth cutter disc, there are evenly spaced along the edge of the cutter disc with a number of upper tooth-shaped sipes that can just fit the lower tooth-shaped cutter head of the lower tooth cutter disc, and each adjacent two An upper-toothed cutter head that can just fit into the lower-toothed sipe of the lower-toothed cutterhead is formed between the two upper-toothed sipes. When the upper-toothed and lower-toothed cutterheads rotate synchronously with the corresponding upper and lower shafts, the upper The upper toothed cutter head of the toothed cutterhead will continuously rotate and insert into the lower toothed sipes of the lower toothed cutterhead, while the lower toothed cutter head of the lower toothed cutterhead will continuously rotate and insert into the upper toothed sipes of the upper toothed cutterhead. Thereby, a continuous flat steel belt passing between the upper tooth cutter head and the lower tooth cutter head is rolled and cut into two continuous zigzag steel belts. 2. A production line for spiral-finned tube-fin toothing according to claim 1, characterized in that: the structure of the steel strip unwinding mechanism includes: a column, a vertically placed backing plate is fixed on one side of the column, An unwinding shaft is fixed horizontally and horizontally on the column, and the unwinding shaft passes through the column horizontally and horizontally through the backing plate and is movable to be equipped with an inner core. There is an outer core for the flat steel coil to be put into the outer casing of the outer core, and three second gaps are uniformly arranged on the outer peripheral surface of the outer core along the circumferential direction, the first gap of the inner core and the second gap of the outer core are staggered, and the pipe seat Arranged on the outer side of the backing plate, there is detachably inserted on the pipe seat a material retaining frame that can cooperate with the backing plate to prevent the flat steel strip coil sheathed on the outer core from detaching from the outer core. 3. A spiral-finned tube-fin toothing production line according to claim 2, characterized in that: the connection structure between the unwinding shaft and the inner core is specifically: a sleeve is set between the unwinding shaft and the inner core The bearing seat outside the unwinding shaft, the bearing seat and the inner core are fixed by connecting bolts, and a bearing is arranged in the bearing seat. The shaft body is tightly fitted with interference. On the shaft body of the unwinding shaft on one side of the bearing, there is a positioning shoulder for the inner ring of the bearing to lean against. The positioning washer, the first lock nut is threaded on the body of the unwinding shaft outside the positioning washer. When the first lock nut is tightened, it can push the positioning washer to move towards the inner ring of the bearing until the positioning washer pushes the inner ring of the bearing to the top. Tight on the positioning shoulder. 4. A spiral-finned tube-fin toothing production line according to claim 1, characterized in that: the structure of the steel strip winding mechanism includes: a winding frame, and a winding motor driven by a winding motor is supported in the winding frame The rotating rewinding shaft, the rewinding motor is controlled by the PLC control system, there are three retaining turntables on the rewinding shaft at intervals, and the rewinding shaft between each adjacent two retaining turntables is set with a rewinding shaft. core. 5. A spiral-finned tube-fin toothing production line according to claim 1, characterized in that: The specific installation structure of the upper toothed cutter head on the upper shaft includes: the shaft end of the upper shaft used to install the upper toothed cutter head is the first tapered shaft section and the first external threaded shaft section from the inside to the outside in the axial direction, and the first The surface of the tapered shaft section is smooth and its caliber gradually decreases from inside to outside. The caliber of the first externally threaded shaft section is consistent with the caliber of the small-diameter end of the first tapered shaft section. The inner hole at the shaft end is a tapered hole whose caliber matches the diameter of the first tapered shaft section of the upper shaft. The first externally threaded shaft section at the shaft end is threadedly connected with an upper lock nut for locking and fixing the upper-toothed cutterhead sleeved on the first tapered shaft section to the shaft end of the upper shaft; The specific installation structure of the lower tooth cutterhead on the lower shaft includes: the shaft end of the lower shaft used to install the lower tooth cutterhead is the second tapered shaft section and the second external thread shaft section along the axial direction from inside to outside. The surface of the shaped shaft section is smooth and its caliber gradually decreases from the inside to the outside. The caliber of the second externally threaded shaft section is consistent with the caliber of the small-diameter end of the second tapered shaft section. The lower tooth cutter head is used to fit on the lower shaft. The inner hole at the shaft end is a tapered hole whose diameter matches the diameter of the second tapered shaft section of the lower shaft. The second externally threaded shaft section is threadedly connected with a lower locking nut for locking and fixing the lower toothed cutterhead sleeved on the second tapered shaft section to the lower shaft end. 6. A spiral-fin tube-fin toothing production line according to claim 5, characterized in that: the upper-toothed sipe and the upper-toothed cutter head of the upper-toothed cutter head are arranged in the inner hole of the upper-toothed cutter head The outer peripheral surface of the upper tooth cutter head on the large diameter side and the small diameter side of the inner hole is provided with a first stop ring protruding from the outer wall of the upper tooth cutter head; The shaped cutter head is arranged on the small diameter side of the inner hole of the lower tooth cutter head, and the outer peripheral surface of the lower tooth cutter head on the larger diameter side of the inner hole is provided with a second limit retaining ring protruding from the outer wall of the lower tooth cutter head. The distance between the limit retaining ring and the second limit retaining ring can just pass through for the flat steel belt. 7. A spiral-fin tube-fin toothing production line according to claim 1, characterized in that: the structure of the lower shaft transmission mechanism includes: a power motor installed at the bottom of the frame, and the power motor is controlled by a PLC control system , a driving sprocket is set on the output shaft of the power motor, a driven sprocket is set on the shaft end of the lower shaft, and a transmission chain is wound between the driving sprocket and the driven sprocket. A tensioning sprocket is arranged between the sprockets to press the transmission chain inwardly and tension the transmission chain. The tensioning sprocket can be freely rotatably supported on the end of the displacement adjustment screw rod, and the displacement adjustment screw rod is horizontally and transversely set The horizontal guide hole on the frame is threaded on the displacement adjusting screw rod with a pair of fastening nuts for locking and fixing the displacement adjusting screw rod on the frame. 8. A spiral-finned tube-fin toothing production line according to claim 1, characterized in that: the upper shaft is installed on the frame through the upper shaft lifting adjustment mechanism, and the structure of the upper shaft lifting adjustment mechanism includes: The support plates on the left and right sides of the frame are respectively provided with a vertical guide groove, and a bearing seat is slidably arranged in the vertical guide groove of each support plate, and the shaft ends on both sides of the upper shaft are supported in the two bearing seats through bearings. A screw seat is fixed on the top of each bearing seat, a vertical screw mandrel is fixed on each screw seat, a fixed beam is installed on the frame above each bearing seat, and each fixed beam There is a through hole that runs through the fixed beam up and down and corresponds downward to the vertical screw on the same side. The vertical screw on each screw seat passes through the corresponding through hole upwards to the corresponding fixed beam and is screwed to the limit nut. 9. A spiral-finned tube-fin gear cutting production line according to claim 1, characterized in that: on the input side of the steel belt splitting into two gear cutting machine, steel belt pressing components are arranged sequentially along the steel belt conveying direction And the feeding guide wheel assembly, a pressure guide assembly and a discharge guide wheel assembly are sequentially arranged on the output side of the steel belt splitting machine along the steel belt conveying direction. 10. A production line for spiral-finned tube-fin toothing according to claim 9, characterized in that: the structure of the pressure guide assembly includes: two pressure pieces located on the output side between the upper tooth cutter head and the lower tooth cutter head Material plates, each pressing plate is installed on the support plate on the corresponding side of the frame through adjusting bolts, and the two pressing plates are respectively located on the upper and lower sides of the output steel strip cut by the upper tooth cutter head and the lower tooth cutter head.

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