CN111230218B - Flat-opening-based processing equipment for heat exchanger production - Google Patents

Abstract

The invention discloses machining equipment for heat exchanger production based on a high-efficiency plain end, which comprises a base, a workbench, a vertical plate, a controller, a clamp, a first transmission device and a working disc, wherein the workbench is arranged on the base; the working disc comprises a big fluted disc arranged on the first transmission device, a main shaft arranged above the fluted disc, a first flat cutter arranged on the main shaft, a first motor arranged on the working table, a telescopic power rod arranged on the first motor and connected with the main shaft, and a plurality of movable cutter groups arranged in the radial direction of the main shaft; according to the invention, through the arrangement of the positioning device and the upper cutter device, the positioning is accurate, the processing is stable, the flat-end cutters with different numbers are used for processing openings with different center distances, and the processing efficiency is higher.

Description

Flat-opening-based processing equipment for heat exchanger production

Technical Field

The invention belongs to the technical field of heat exchanger processing, and particularly relates to processing equipment for heat exchanger production based on a flat port.

Background

A heat exchanger (also called heat exchanger) is a device that transfers part of the heat of a hot fluid to a cold fluid. The heat exchanger plays an important role in chemical industry, petroleum industry, power industry, food industry and other industrial production, can be used as a heater, a cooler, a condenser, an evaporator, a reboiler and the like in chemical industry production, and is widely applied. Insert the assigned position welding back with the heat exchange tube in the heat exchanger course of working, need amputate unnecessary mouth of pipe, or cut to the coplanar, just need the artifical mode that uses the flat mouthful machine to excise it this moment, the mode of manpower hardly keeps balanced under strong machine shake, and cutting efficiency is lower, and the big comparison of general automation apparatus processing displacement volume is wasted time and energy, and machining efficiency is not high.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides the processing equipment for producing the heat exchanger based on the flat port, which has accurate positioning and high processing efficiency.

In order to achieve the purpose, the invention adopts the following technical scheme: a machining device for heat exchanger production based on a flat port comprises a base, a workbench arranged on the base, a vertical plate arranged on the workbench, a clamp arranged on the base, a first transmission device arranged below the workbench, a working disc arranged on the transmission device and a controller arranged on the vertical plate; the method is characterized in that: the working disc comprises a big fluted disc arranged on the first transmission device, a main shaft arranged above the fluted disc, a first flat cutter arranged on the main shaft, a first motor arranged on the working table, a telescopic power rod arranged on the first motor and connected with the main shaft, and a plurality of movable cutting devices arranged in the radial direction of the main shaft; the movable cutting device comprises a positioning device arranged above the large gear disc, a cutter bearing disc arranged above the positioning device, an upper cutter device arranged below the cutter bearing disc, a second transmission device arranged above the cutter bearing disc and a second flat cutter arranged on the cutter bearing disc; and the easy-to-assemble and disassemble structures are respectively arranged between the first flat-mouth cutter and the main shaft and between the second flat-mouth cutter and the second transmission device. Through the arrangement of the positioning device and the upper cutter device, heat exchange tubes with different center distances are processed by cutters with different numbers, generally, the equipment size of a flat cutter is larger, and only manual positioning notches can be carried out on the holes one by one, but the manual mode generally has the condition of low efficiency of manual cutting of the heat exchange tubes, and the shaking of a machine is difficult to reduce by manpower, so that the flat cutter is cut askew, the cutter head is broken under serious conditions, meanwhile, the manual punching mode is time-consuming and labor-consuming, the labor cost is higher, the mechanical force arm is more favorable for holding and positioning, the arrangement of a plurality of cutter heads can be processed more efficiently, meanwhile, through the design of the upper cutter device, the conflict among the cutters is effectively avoided, only a small number of cutters are used for processing under the condition of insufficient space, the cutter number is increased when the space is allowed, the processing efficiency is enhanced, and the labor cost, meanwhile, the conflict between the cutters is avoided, the service life of the machine is prolonged, the machining efficiency is greatly improved by the mode that a plurality of cutters are machined simultaneously, and meanwhile, the distance for moving the station is shorter and the time is saved.

The positioning device comprises an electric slide rail arranged above the large gear disc, a blocking piece arranged at one end of the electric slide rail and a sliding block arranged above the electric slide rail, the positioning is more accurate by adopting an electric slide rail mode, the condition that an appliance is damaged by colliding with a workpiece due to inaccurate positioning of a tool bit is effectively avoided, the damage of an appliance is effectively avoided, the cost is reduced, meanwhile, the mechanical structure is more stable when the redundant end is machined, and the machined end face is more beautiful and smooth.

The cutter feeding device comprises a first cavity arranged in the sliding block, a first air cylinder arranged in the first cavity, and an air rod arranged on the first air cylinder and connected with the cutter bearing disc. Through the control of controller, when the processing position is nearer to the centre of a circle, the distance between cutter and the cutter is too near, and the drive disk assembly of cutter below is great, then mutual interference appears easily, collide with each other and even the condition of apparatus damage takes place, when processing the part nearer from the centre of a circle, the sword that will wherein two counterpoints upwards moves the upper slitter under the effect of controller, remaining outside removal gives the space, give the bigger working space of work cutter, effectively avoided the interference between the apparatus, can process the station that is nearer to the centre of a circle simultaneously, high efficiency, and the working time is reduced.

The second transmission device comprises a notch arranged on the main shaft, a transmission column arranged on the large gear disc, a first transmission belt sleeved on the notch and the transmission column, a first gear arranged on the transmission column, a telescopic rod arranged on the side edge of the cutter bearing disc, a second gear above the telescopic rod, a third gear arranged below the second flat cutter, a second transmission belt arranged on the second gear and the third gear, a fixed column arranged on the large gear disc and a tensioning structure arranged on the cutter bearing disc, wherein the main shaft is driven by a motor to rotate so as to drive the first transmission belt sleeved above the main shaft to rotate, the transmission column rotates under the action of the first transmission belt so that the first gear rotates along with the transmission column, and when the upper part of the second gear is meshed with the first gear, the second transmission belt is driven to rotate so as to transmit force to the second flat cutter through the third gear, the second flat cutter processes the workpiece; the mode of driving through the main shaft is adopted, a single motor is used for driving the whole body, the space is saved, the rotating speeds between the cutters are basically the same, the machining efficiency is approximate, the possibility that the cutters are broken when the cutters are not pressed against the workpiece in time is avoided, the cutter loss is reduced, the cost is reduced, the transmission structure is more stable, and the machined workpiece is more accurate.

The tensioning structure is including locating the fourth gear of bearing dish top, locating the spout of fourth gear below, locate slider in the spout, locate wear to locate the spliced pole at fourth gear center on the slider, locate the fixed block, the connection of bearing dish top the spliced pole reaches the first elastic component of fixed block, when the cutter outwards removed, in order to guarantee the driven stability of cutter, overspeed device tensioner has reduced the pressure of second drive belt, has avoided its second drive belt fracture because the tension leads to at the in-process of pulling, has reduced the work piece loss.

First transmission is including locating the second cavity of workstation top, locating first hob in the second cavity, locate be used for driving the third motor of first hob on the workstation, locate loop post on the first hob, locate screw hole on the workstation, locate second hob in the screw hole, locate the fourth motor of second hob one end, locate second motor on the workstation, locate the rack bar on the second motor. Make workstation and cover post remove more reliable and stable through using the rotatory screw rod of motor, the mode of rotating the screw rod simultaneously is comparatively slow to can make better handling the article of tool bit, avoided conveying structure unstable, the tool bit is close too fast with the work piece, and the work piece that leads to is not cut completely, and the cutter that the tool bit cutting output is too big and lead to wears out, and the condition that collapses the sword takes place.

Easy dismouting structure is including locating the barrel of fourth gear top, locating through-hole on the barrel, locating rotatory in the barrel is located lever on the rotatory, locating lever one end just wears to locate draw the piece in the through-hole, locate the dog of the lever other end, locate the second elastic component of lever below, locate recess in first flat mouthful sword and the second flat mouthful sword, through easy dismouting structure, only need the pulling piece to change the tool bit, the dismouting is more convenient, simultaneously needs both hands to operate jointly through the mode of drawing, avoids operating personnel's violation of rules and rules for rules and thumb and causes dangerous the emergence, and the setting of this structure simultaneously, inside dog is under high-speed rotatory condition, and the skew circular motion of dog to lead to dog and recess inseparabler, strengthened firm in connection type.

The telescopic power rod comprises a rod body arranged on the first motor, a lug arranged on the rod body and a third cavity arranged in the direction of the main shaft away from the workpiece, the design of the structure increases the capability of moving back and forth under the condition of ensuring rotation, and the connection mode does not delay the process of driving the main shaft to be smoother.

The positioning device and the upper cutter device are arranged, so that the positioning is accurate, the processing is stable, the flat cutters with different numbers are used for processing openings with different center distances, the processing efficiency is higher, the machine is not easy to damage, and the service life of the machine is prolonged.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a left side view of the present invention.

Fig. 3 is a perspective view of the present invention with the clamp hidden.

Fig. 4 is a partially enlarged schematic view of fig. 3.

Fig. 5 is a cross-sectional view of fig. 2 taken along line a-a.

Fig. 6 is a perspective view of the mobile cutting device.

Fig. 7 is a partially enlarged schematic view of fig. 6.

Fig. 8 is a top view of the moving cutting device.

Fig. 9 is a cross-sectional view of fig. 8 taken along line B-B.

Fig. 10 is a partially enlarged schematic view of fig. 9.

Fig. 11 is an enlarged schematic view of the telescopic power rod.

Detailed Description

As shown in fig. 1, a machining apparatus for heat exchanger production based on flat opening comprises a base 1, a workbench 2, a vertical plate 3, a clamp 4, a first transmission device 5, a working disc 6 and a controller 7; the base 1 is a long plate type structure, a gap is arranged above the base for placing a space of a part, the workbench 2 is arranged on the base, the vertical plate 3 is arranged on the workbench, the workbench is a long plate, the vertical plate is a long plate structure and vertically arranged on the workbench for resisting splashed scraps, meanwhile, a controller is placed at a position convenient for people to observe, the clamp 4 is arranged on the base, the base of the clamp is three blocks matched with the cambered surface of a workpiece body, the workpiece is prevented from moving in the working process, the workpiece is convenient to feed and discharge, the first transmission device 5 is arranged below the workbench, the working disc 6 is arranged on the transmission device, and the workbench controller 7 is arranged on the vertical plate; the working disc 6 comprises a big fluted disc 61, a main shaft 62, a first flat cutter 67, a first motor 69, a telescopic power rod 60 and a movable cutting device; the movable cutting device comprises a positioning device 63, a cutter bearing disc 64, a cutter feeding device 65, a second transmission device 66, a second flat-mouth cutter 68 and an easy-to-dismount structure 8; big fluted disc 61 is located on the first transmission, and big fluted disc is a gear structure, and the top is bearing article such as cutter, and it also is a rotating-structure simultaneously for adjust the sword position, main shaft 62 are located fluted disc top, main shaft are a cylindrical structure, and positioner 63 locates big fluted disc 61 top, hold the blade disc 64 and locate positioner top, hold the blade disc be the structure of connecting a long piece on an ellipse, and upward sword device 65 locates hold the blade disc below, upward the sword device passes through the control of controller is different to the sword flat mouthful sword quantity of the flat mouthful selection of processing different centroids. Second transmission 66 locates bear blade disc top, first flat-nose sword 67 is located on the main shaft, second flat-nose sword 68 is located on the bear blade disc, first flat-nose sword and second flat-nose sword the same, be the product that can directly purchase the acquisition on the market, no longer describe here any more. The first motor 69 is arranged on the workbench, the telescopic power rod 60 is arranged on the first motor and connected with the main shaft, and the easy-to-assemble and disassemble structure 8 is arranged below the first flat-mouth cutter and the second flat-mouth cutter;

the positioning device 63 comprises an electric slide rail 631, a baffle 632 and a stop block 633; the electric slide rail 631 is arranged above the large gear disc, and the electric slide rail is in the prior art and is not described again; separation blade 632 is located electronic slide rail one end, the separation blade set up in electronic slide rail one end, slider 633 are located electronic slide rail top, slider are a long piece that is located electronic slide rail, can be at electronic slide rail top round trip movement, and it is spacing then by the separation blade when moving to the farthest distance, and this structure location is accurate, stable in structure.

The upper knife device 65 comprises a first cavity 651, a first air cylinder 652 and an air rod 653; first cavity 651 is located in slider 633, the cavity is the structure of a cuboid, first cylinder 652 locate with in the first cavity, gas pole 653 locate on the first cylinder with hold the blade disc and connect, the gas pole on the first cylinder is connected with holding the blade disc, the cylinder is prior art, and it is no longer repeated here. Control the cylinder through the controller, when the hole is too close, then control wherein two hold the blade disc of counterpointing and rise, the mode of many sword processing, very big speed up machining efficiency, when the processing vacancy is far away from the center, hold the blade disc and have had more spaces, thereby control more plain end sword and rise, establish here to 6, then when the processing station is far away from the centre of a circle, 6 the sword is processed the work piece simultaneously, machining efficiency has been promoted greatly, when having processed a station simultaneously, only need remove the distance that is short slightly, can process next station, the time demand save time cost that the calibration needs has been shortened.

The second transmission device 66 comprises a notch 661, a transmission column 662, a first transmission belt 663, a first gear 664, a telescopic rod 665, a second gear 666, a third gear 667, a second transmission belt 668, a fixed column 669 and a tension structure 9; notch 661 locates on the main shaft, the notch is equipped with a plurality ofly, and here is provided with 6, and transmission post 662 locates on the big fluted disc, first transmission area 663 cover is located the notch reaches on the transmission post, the transmission post sets up the cylinder on the workstation for a rotatable coupling, establishes to many, and here establishes to 6, and the first conveyer belt that corresponds also establishes to 6, and every conveyer belt corresponds a notch, corresponds a transmission post, has reduced the possibility of contact friction damage between each part. The stability of the performance is ensured, the service life of the tool is prolonged, and the cost is reduced; the first gear 664 is arranged on the transmission column and sleeved on the transmission column, and the structure is stable along with the rotation of the transmission column; the telescopic rod 665 is arranged on the side edge of the cutter bearing disc, the second gear 666 is arranged above the telescopic rod, one end of the telescopic rod is in an L-shaped structure and is arranged on the side edge of the cutter bearing disc, the second gear is arranged at the other end of the telescopic rod, and when the sliding block slides outwards along the electric sliding rail, the telescopic rod plays a role in positioning, so that the second gear is engaged with the second gear all the time; the third gear 667 is arranged below the second flat-mouth cutter, the third gear can be fixedly connected to the cutter bearing disc and is positioned below the flat-mouth cutter, and when the third gear is driven, the flat-mouth cutter is driven, so that the structure is simple. Second drive belt 668 locates on second gear and the third gear, the second conveyer belt with first conveyer belt structure is the same, fixed column 669 locate on the big fluted disc, fixed post is a structure of connecting in the big fluted disc, one end and the corresponding structure of second gear internal diameter, after last sword device carries out the sword step, the fixed column is pegged graft in the second gear, plays the fixed action to the second gear, prevents the tight fit between second gear and the first gear in the use, fixed column 669 that tensioning texture 9 located on the big fluted disc is located on the bearing dish.

The tensioning structure 9 comprises a fourth gear 91, a sliding groove 92, a sliding block 93, a connecting column 94, a fixed block 95 and a first elastic piece 96; fourth gear 91 is located the cutter head top, spout 92 is located fourth gear below, the spout is located on the lug on the cutter head, the direction is mutually perpendicular with the electronic slide rail of below, slider 93 is located in the spout, spliced pole 94 is located wear to establish fourth gear center on the slider, the slider is a block that can move in the spout, the spliced pole is a long and thin cylinder, connect in the slider top, the cylinder wears to locate in the fourth gear, fourth gear accessible spout round trip movement on the cutter head, fixed block 95 is located cutter head top, first elastic component 96 connects the spliced pole and the fixed block, the fixed block is located the top position of cutter head block, last a first elastic component that links, this elastic component is the spring, connect fixed block and spliced pole, give the spliced pole an outside power, when the slider outwards removes, the second gear outwards removes, the pulling force that the second drive belt received is grow to with the inside pulling of fourth gear, under the effect of spring, form a balance, can accomplish the transmission, avoided again to tear the second drive belt fracture that the too big result in of power.

The first transmission device 5 comprises a second cavity 51, a first screw rod 52, a third motor 53, a sleeve column 54, a threaded hole 55, a second screw rod 56, a fourth motor 57, a second motor 634 and a toothed rod 635; the second cavity 51 is arranged above the workbench, the first screw rod 52 is arranged in the second cavity, the third motor 53 is arranged on the workbench and used for driving the first screw rod, the sleeve column 54 is arranged on the first screw rod, the cavity is of a box body structure and is hollow, the first screw rod is arranged in the inner box body and is used for preventing flying chips from entering the inner box body to influence the process of moving the sleeve column above the first screw rod, the sleeve column is of a structure that the lower part is sleeved with the first screw rod, when the first screw rod rotates, the sleeve column moves, the upper part of the sleeve column can be rotatably connected with the working disc and is used for pressing the working disc close to a workpiece, the structure is stable and is not easy to shake, the threaded hole 55 is arranged on the workbench, the second screw rod 56 is arranged in the threaded hole, the fourth motor 57 is arranged at one end of the second screw rod, and the second screw rod is used for driving the workbench to move through the rotation of the fourth motor, stable in structure removes to be difficult to produce and rocks and kick-backs, and is more accurate to work piece processing, and second motor 634 is located on the workstation, tooth pole 635 is located on the second motor, the tooth pole is the cylinder of a root length pole shape, and the top is provided with the tooth, with big fluted disc intermeshing, rotates when the second motor and will drive the tooth pole and rotate to the rotation of control big fluted disc has increased big fluted disc pivoted stability through the structure that the toothlet drove the bull tooth.

The easily-disassembled and assembled structure 8 comprises a cylinder 81, a through hole 82, an inner supporting column 89, a rotating part 83, a lever 84, a pulling block 85, a stop block 86, a second elastic part 87 and a groove 88; the cylinder body 81 is arranged above the fourth gear, the cylinder body is of a cylindrical hollow structure, the through hole 82 is arranged on the cylinder body, the through holes are positioned at the cylindrical position close to the fourth gear, two through holes are symmetrically arranged, the inner support column 89 is arranged in the cylinder body and is a cylinder for supporting a cutter, the structure is stable, the rotating piece 83 is arranged in the inner support column, the lever 84 is arranged on the rotating piece, the pull block 85 is arranged at one end of the lever and penetrates through the through hole, the stop block 86 is arranged at the other end of the lever, the second elastic piece 87 is arranged below the lever, the groove 88 is arranged in the first flat cutter and the second flat cutter, the rotating piece is arranged in the cylinder body, the middle section of the lever is arranged on the rotating piece, the pull block is arranged at one end, the head of the pull block extends out of the through hole, the stop block is arranged at the other end and corresponds to, the below is provided with the second elastic component, the elastic component is the spring, and the below supports on inner support post, with the dog top go into the recess in, through the mode of pulling the pull rod, makes the dog press the spring downstream, draws from the recess to accomplish the unblock, can change the tool bit, the structure is more convenient.

The telescopic power rod 60 comprises a rod body 601, a bump 602 and a third cavity 603; the rod body 601 is arranged on the first motor, connected to the first motor and rotated along with the motor. Lug 602 locates on the body of rod, above-mentioned lug is the structure of a cuboid, and third cavity 603 is located work piece direction third cavity setting is kept away from at the main shaft rear to the main shaft, and is the same with foretell lug shape, and the lug is the tight fit in radial, can remove in the axial to guaranteed the removal of later blade disc under the pivoted condition, simple structure, the transmission is more stable.

The above prior art directly purchased from the market of the controller is not described herein again, and the first motor, the second motor, the third motor and the fourth motor are electrically connected to the controller and are all purchased from the market, and are not described herein again.

The specific working principle is as follows,

clamping a workpiece, respectively arranging and assigning a cutter head on a designated position through an easily-detachable structure, starting a motor, driving a main shaft to drive a whole working disc to move by rotating the first motor, driving a first flat-mouth cutter to rotate by the main shaft, jacking the first flat-mouth cutter by an air cylinder under the action of a controller, then starting a third motor, driving a first screw rod by the third motor, driving a sleeve column to move towards the workpiece on the first screw rod, controlling the working disc to move towards the workpiece, processing a station at a center, after the processing is finished, reversely rotating the third motor, driving the working disc to retreat for a short distance without contacting with the workpiece, driving the whole working table to move for a small distance, calibrating the station of the first flat-mouth cutter and the station of a second circle, repeating the steps to process the station, and after the processing of the first station of the second circle is finished, the second motor rotates to drive the toothed bar to rotate, the toothed bar is meshed with the working disc and rotates by an angle of 60 degrees to be capable of machining with a second station of the second ring, the steps are repeated, the machining of the second ring can be completed, after the machining is completed, the fourth motor rotates reversely to drive the station to reset, the air rod below the first flat cutter retracts, the upper cutter device pushes out two cutter bearing discs outwards, the rest cutter bearing discs move outwards along the sliding rail to avoid collision between workpieces, at the moment, the working disc is moved to machine a station aligned with the third ring, the corresponding station is machined by changing the position through the rotation and the rotation of the toothed bar, along with the continuation of the machining, the distance between the machining stations is increased, more cutter sets can be machined, at the moment, the controller controls the cutter bearing discs on the outer sides to move inwards, at the moment, six stations can be machined at one time, and the working efficiency is greatly increased, and repeating the steps to complete the processing of the workpiece, finally rotating the third motor to drive the working disc to return to the initial position, then manually blanking the heat exchanger, and continuing the next working process.

It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Claims (7)

1. A machining device for heat exchanger production based on a flat opening comprises a base (1), a workbench (2) arranged on the base, a vertical plate (3) arranged on the workbench, a clamp (4) arranged on the base, a first transmission device (5) arranged below the workbench, a working disc (6) arranged on the first transmission device, and a controller (7) arranged on the vertical plate; the method is characterized in that: the working disc (6) comprises a big fluted disc (61) arranged on the first transmission device, a main shaft (62) arranged above the big fluted disc, a first flat cutter (67) arranged on the main shaft, a first motor (69) arranged on the working table, a telescopic power rod (60) arranged on the first motor and connected with the main shaft, and a plurality of movable cutting devices arranged in the radial direction of the main shaft; each mobile cutting device comprises a positioning device (63) arranged on the big fluted disc (61), a cutter bearing disc (64) arranged on the positioning device, a cutter feeding device (65) arranged below the cutter bearing disc, a second transmission device (66) arranged above the cutter bearing disc, and a second flat cutter (68) arranged on the cutter bearing disc; the easy-to-assemble and disassemble structure (8) is respectively arranged between the first flat-mouth cutter and the main shaft and between the second flat-mouth cutter and the second transmission device;

second transmission (66) are including locating main epaxial notch (661), locate transmission post (662), the cover on the big fluted disc are located the notch reaches first drive belt (663) on the transmission post, locate first gear (664) on the transmission post, locate hold telescopic link (665) of blade disc side second gear (666) of telescopic link top, locate third gear (667), the location of second flat mouthful of sword below second drive belt (668) on second gear and the third gear, locate fixed column (669) on the big fluted disc, locate take up tensioning structure (9) on the blade disc.

2. The flat-mouth based processing plant for heat exchanger production according to claim 1, characterized in that: the positioning device (63) comprises an electric slide rail (631) arranged above the large fluted disc, a baffle plate (632) arranged at one end of the electric slide rail and a slide block (633) arranged above the electric slide rail.

3. The flat-mouth based processing plant for heat exchanger production according to claim 2, characterized in that: go up sword device (65) including locating first cavity (651) in slider (633), locate with first cylinder (652) in the first cavity, locate on the first cylinder with air pole (653) that the bearing disc is connected.

4. The flat-mouth based processing plant for heat exchanger production according to claim 1, characterized in that: tensioning texture (9) is including locating fourth gear (91), the locating of bearing dish top spout (92), locating of fourth gear below slider (93) in the spout, locate wear to locate spliced pole (94) at fourth gear center on the slider, locate fixed block (95), the connection of bearing dish top the spliced pole reaches first elastic component (96) of fixed block.

5. The flat-mouth based processing plant for heat exchanger production according to claim 1, characterized in that: first transmission (5) including locating second cavity (51) of workstation top, locate first hob (52) in the second cavity, locate be used for driving third motor (53) of first hob on the workstation, locate loop post (54) on the first hob, locate screw hole (55) on the workstation, locate second hob (56) in the screw hole, locate fourth motor (57) of second hob one end, locate second motor (634) on the workstation, locate last ratch (635) of second motor.

6. The flat-mouth based processing plant for heat exchanger production according to claim 4, characterized in that: easy dismouting structure (8) are including locating barrel (81) of fourth gear top, locating through-hole (82) on the barrel, locating support post (89) in the barrel is inside, locate swivel spare (83) in the barrel are located lever (84) on the swivel spare, locate lever one end and wear to locate draw piece (85) in the through-hole, locate dog (86) of the lever other end, locate second elastic component (87) of lever below, locate recess (88) in first flat-nose sword and the second flat-nose sword.

7. The flat-mouth based processing plant for heat exchanger production according to claim 1, characterized in that: the telescopic power rod (60) comprises a rod body (601) arranged on the first motor, a convex block (602) arranged on the rod body, and a third cavity (603) arranged in the direction of the main shaft far away from the workpiece.

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