阅读说明：本技术 一种机械零件用的自动收口设备 (Automatic closing-in equipment that machine part used ) 是由 李迪 黄鑫 吴振华 徐长洲 田文广 孔艳霞 于 2021-04-13 设计创作，主要内容包括：本发明公开了一种机械零件用的自动收口设备,包括机架、设于机架上的传送带、设于传送带上的螺母、设于机架上的加热装置、设于机架一侧的收口台及设于收口台上的收口装置；所述机架上设有拍照设备,所述拍照设备通过数据处理器与收口机相配合。本发明热气流在空心转盘的带动下,热气流进行360度的旋转进行向外出气,对加热室内进行加热,使得螺母接收热气流的范围变得更大更广,螺母受热更加的均匀,提高了螺母预热的效率。(The invention discloses automatic necking equipment for mechanical parts, which comprises a rack, a conveyor belt arranged on the rack, a nut arranged on the conveyor belt, a heating device arranged on the rack, a necking table arranged on one side of the rack and a necking device arranged on the necking table, wherein the conveyor belt is arranged on the rack; the frame is provided with a photographing device, and the photographing device is matched with the necking-in machine through a data processor. The hot air flow is driven by the hollow turntable to rotate for 360 degrees to discharge air outwards to heat the heating chamber, so that the range of the nut for receiving the hot air flow is wider, the nut is heated more uniformly, and the nut preheating efficiency is improved.)

1. An automatic necking-in device for mechanical parts comprises a rack (1), a conveyor belt (2) arranged on the rack (1), a nut (3) arranged on the conveyor belt (2), a heating device (4) arranged on the rack (1), a necking-in table (5) arranged on one side of the rack (1) and a necking-in device (6) arranged on the necking-in table (5); the method is characterized in that: be equipped with photographing equipment (11) on frame (1), photographing equipment (11) cooperate with closing up machine (64) through data processor (12).

2. An automatic necking apparatus for machine parts according to claim 1, wherein: closing up device (6) including mount pad (60), locate closing up groove (61) on mount pad (60), locate grip block (62) in closing up groove (61), be used for connecting second spring (63) of receiving mouth groove (61) and grip block (62), locate closing up machine (64) on mount pad (60), locate pressure sensor (65) and displacement sensor (651) on closing up machine (64), be equipped with in mount pad (60) with grip block (62) matched with induction system (100), open in mount pad (60) and be equipped with gas outlet (66).

3. An automatic necking apparatus for machine parts according to claim 2, wherein: the induction device (100) comprises a moving groove (1000), a moving rod (1001) arranged in the moving groove (1000) and a pressing block (1002) arranged on the moving rod (1001); the extrusion block (1002) is contactable with the pressure sensor (65).

4. An automatic necking apparatus for machine parts according to claim 1, wherein: the heating device (4) comprises a heating chamber (40), a motor (41) arranged on the heating chamber (40), an output shaft (42) arranged on the motor (41), a rotary groove (43) arranged on the heating chamber (40), a hollow rotary disc (44) embedded in the rotary groove (43), a heater (45) arranged on the hollow rotary disc (44), an air outlet pipe (46) used for connecting the heater (45) and the hollow rotary disc (44), an output fulcrum shaft (47) used for connecting the hollow rotary disc (44) and the output shaft (42), a plurality of air outlet holes (48) arranged on the hollow rotary disc (44) and an air outlet device (7) arranged on the air outlet holes (48).

5. An automatic necking apparatus for machine parts according to claim 1, wherein: the air outlet device (7) comprises a hollow column (70) fixedly connected to the air outlet holes (48), a plurality of first air outlets (71) arranged on the circumferential direction of the hollow column (70), a first fixing disc (72) and a second fixing disc (73) sleeved on the hollow column (70), a plurality of lifting columns (74) arranged on the second fixing disc (73), a plurality of inclined air outlet holes (75) arranged on the circumferential direction of the lifting columns (74), a first spring (76) used for connecting the lifting columns (74) and the second fixing disc (73) and a vent pipe (77) used for communicating the hollow column (70) and the lifting columns (74).

6. An automatic necking apparatus for machine parts according to claim 1, wherein: the first fixing disc (72) is provided with a pressing rod (720), and the hollow column (70) is provided with an arc surface (700) matched with the pressing rod (720).

7. The automatic necking equipment for the machine parts according to claim 1, wherein a heat preservation cavity (50) is formed in the necking table (5), the heat preservation cavity (50) corresponds to the necking device (6), the heat preservation cavity (50) is matched with the heating chamber (40) through a heat preservation device (8), the heat preservation device (8) comprises a transmission pipe (80) for communicating the heat preservation cavity (50) with the heating chamber (40), a rotating groove (81) formed in one side of the transmission pipe (80), a first rotating shaft (82) embedded in the rotating groove (81), a first bevel gear (83) arranged on the first rotating shaft (82), a second rotating shaft (84) arranged in the first bevel gear (83), and a fan (85) arranged on the second rotating shaft (84); the heat preservation cavity (50) is communicated with the air outlet (66).

8. An automatic necking apparatus for machine parts according to claim 7, wherein: an input shaft (400) is embedded in the heating chamber (40), a second bevel gear (401) meshed with the first bevel gear (83) is arranged on the input shaft (400), and the input shaft (400) is connected with the output shaft (42) through a belt (402).

9. An automatic necking apparatus for machine parts according to claim 1, wherein: be equipped with transmission device (9) on binding off platform (5), transmission device (9) include rotating electrical machines (90), locate column spinner (91) on rotating electrical machines (90), locate lift cylinder (92) on column spinner (91), locate lift cylinder (93) on lift cylinder (92), locate gripper (94) on lift cylinder (93), a pair of housing (95) outside lift cylinder (92) are located to the cover, lift cylinder (93) overcoat is equipped with fixed plate (96), the four corners department of fixed plate (96) all is equipped with first movable rod (97) that link to each other with a pair of housing (95), and this first movable rod (97) is rotatable to be connected with housing and fixed plate. .

Technical Field

The invention belongs to the technical field of nuts, and particularly relates to automatic closing-in equipment for mechanical parts.

Background

When the nut is in the process of closing up, the nut workpiece is generally preheated firstly, so that the nut is prevented from being extruded rigidly when the nut is closed up, the nut is deformed, and after the nut is preheated, the nut enters the next procedure to close up the nut. When the existing nut is closed up, after the preheating is finished, the nut is cooled down by 50 ℃ per second at a high cooling speed after coming out of the preheating chamber, so that the closing-up effect of the nut is influenced when the nut is closed up.

Disclosure of Invention

The invention provides automatic necking equipment for mechanical parts, aiming at overcoming the defects of the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme: the automatic sealing machine comprises a rack, a conveying belt arranged on the rack, a nut arranged on the conveying belt, a heating device arranged on the rack, a sealing-up table arranged on one side of the rack and a sealing-up device arranged on the sealing-up table; the frame is provided with a photographing device, and the photographing device is matched with the necking-in machine through a data processor.

The nut transports on the conveyer belt, advances the equipment of shooing, shoots the nut, and on the information feedback of the nut size of shooing was given data processor, data processor carried out data processing to the necking-in machine again for 3 necking-in machines were unanimous to nut necking-in size.

The binding off device includes the mount pad, locate the groove of binding off on the mount pad, locate the grip block of the inslot of binding off, be used for connecting the second spring of receiving mouthful groove and grip block, locate the binding off machine on the mount pad, locate pressure sensor and displacement sensor on the binding off machine, be equipped with in the mount pad with grip block matched with induction system, set up the branch mouth of giving vent to anger in the mount pad.

The nut contacts with the grip block, the grip block carries out outside motion, the second spring is compressed, the binding off machine receives the information that data processor reacted, then the binding off machine moves, bind off the nut, binding off machine motion drives pressure sensor and displacement sensor and removes, the displacement change that the displacement sensor detectable binding off machine removed, after binding off machine removed a locating position, binding off machine can stop work, setting through the grip block, can carry out a relative centre gripping to the nut, prevent that the nut from producing the phenomenon of removing, when not having the nut to place in the groove of binding off, under the effect of second spring, the grip block can realize quick resetting, also can realize simultaneously that the nut of different diameters size carries out the centre gripping, the range of application is wider.

The induction device comprises a moving groove, a moving rod arranged in the moving groove and an extrusion block arranged on the moving rod; the extrusion block can be contacted with the pressure sensor.

When the necking machine works, the necking machine moves forwards to drive the movable rod to move downwards, and the movable rod moves forwards to drive the extrusion block to move forwards; the force of the movement of the closing machine drives the extrusion to fast forward and move the same force, when the closing machine closes up the workpiece, the moving distance is too large, the closing up variation is caused, the extrusion block extrudes the pressure sensor, the pressure sensor receives an extruded signal, the information is fed back to the closing machine, at the moment, the closing machine stops operating, when the moving distance of the closing machine is moderate, the extrusion cannot be in contact with the pressure sensor, the pressure sensor cannot be started, the force moved by the closing machine is in direct proportion to the force received by the pressure sensor, the workpiece cannot be closed up too much is ensured, the closing machine can be stopped to work as long as one of the force and the displacement is monitored by adopting the pressure sensor and the displacement sensor, and the quality of the product is improved.

The heating device comprises a heating chamber, a motor arranged on the heating chamber, an output shaft arranged on the motor, a rotary groove arranged on the heating chamber, a hollow rotary disc embedded in the rotary groove, a heater arranged on the hollow rotary disc, an air outlet pipe used for connecting the heater and the hollow rotary disc, an output fulcrum shaft used for connecting the hollow rotary disc and the output shaft, a plurality of air outlet holes arranged on the hollow rotary disc and an air outlet device arranged on the air outlet holes.

The motor and the heater start, and the nut is transported on the conveyer belt, and in the nut transported to the heating chamber, the motor drove the output shaft and rotates, and the output shaft drove the output fulcrum and rotates, and the output fulcrum drives idle rotation and rotates, and hollow carousel drove heater and outlet duct and rotates, and the hot gas flow outwards flows out from the outlet duct, outwards flows out from the venthole again. Through the effect of heater, can close up the nut before, preheat, close up work to the nut again, when having guaranteed that the nut closes up, can not produce rigid extrusion, lead to the nut to produce deformation, the quality of nut binding off has been guaranteed, because the hot gas flow is under the drive of hollow carousel, the hot gas flow carries out 360 degrees rotations and outwards gives vent to anger, heat in the heating chamber, make the scope that the nut received the hot gas flow become more extensively, the nut is heated more evenly, the efficiency that the nut preheats has been improved.

The air outlet device comprises a hollow column fixedly connected to the air outlet holes, a plurality of first air outlets arranged in the circumferential direction of the hollow column, a first fixing disc and a second fixing disc sleeved on the hollow column, a plurality of lifting columns arranged on the second fixing disc, a plurality of inclined air outlet holes arranged in the circumferential direction of the lifting columns, a first spring used for connecting the lifting columns and the second fixing disc, and a vent pipe used for communicating the hollow column with the lifting columns.

When the hollow turntable rotates, the lifting column is driven to rotate, and at the moment, hot air enters from the vent pipe, flows into the lifting column and flows out from the lifting column to the inclined air outlet. Through the setting of lift post, the hot gas flow not only outwards flows from the outlet duct, also outwards flows out from the lift post simultaneously, make the hot gas flow divide into a plurality of branches and outwards flow out, the outside efficiency that flows out of hot gas flow has been accelerated, make simultaneously can be quick in the heating chamber heat up, secondly, because the setting of slope venthole, guaranteed that gas outwards flows towards the lower part in the heating chamber, make the nut can receive the time acceleration of hot gas flow, the efficiency of heating has been improved.

The first fixing disc is provided with a pressing rod, and the hollow column is provided with an arc surface matched with the pressing rod.

Through reciprocating of lift post, the rotatory gas blowing that blows of hot gas flow is also reciprocating simultaneously for each face of nut can be heated more evenly, guarantees that each corner of nut can both receive the hot gas flow.

The necking table is provided with a heat preservation cavity, the heat preservation cavity corresponds to the necking device, the heat preservation cavity is matched with the heating chamber through the heat preservation device, and the heat preservation device comprises a transmission pipe for communicating the heat preservation cavity with the heating chamber, a rotary groove arranged on one side of the transmission pipe, a first rotating shaft embedded in the rotary groove, a first bevel gear arranged on the first rotating shaft, a second rotating shaft arranged in the first bevel gear and a fan arranged on the second rotating shaft; the heat preservation cavity is communicated with the air outlet.

The first bevel gear rotates to drive the first rotating shaft and the first rotating shaft to rotate, and the second rotating shaft rotates to drive the fan to rotate. Through the rotation of fan, make the hot gas flow can condense around the fan, make the hot gas flow transmit the heat preservation intracavity from the transmission pipe, prevent the cooling of nut self, when leading to closing up the nut, produce hard extrusion force, make nut self produce deformation, the transmission pipe can be carried the hot gas flow, keep warm to closing up the bench nut, reduce nut self thermal scattering and disappearing, make the more high efficiency of the nut quality of processing out.

An input shaft is embedded in the heating chamber, a second bevel gear meshed with the first bevel gear is arranged on the input shaft, and the input shaft is connected with an output shaft through a belt.

On rotating the power transmission for the belt through the output shaft, on the belt transmits power to the input shaft again, the input shaft rotates and drives second conical gear and rotate, second conical gear rotates and first conical gear meshing for first conical gear rotates, need not with the help of extra power source, has guaranteed the synchronism of working process, and more energy-concerving and environment-protective saves the resource, reduces extravagantly.

The binding off bench is equipped with transmission device, transmission device includes the rotating electrical machines, locates the column spinner on the rotating electrical machines, locates the lift cylinder on the column spinner, locates the lift post on the lift cylinder, locates gripper, the cover on the lift post and locates a pair of housing outside the lift cylinder, the lift post overcoat is equipped with the fixed plate, the four corners department of fixed plate all is equipped with the first movable rod that links to each other with a pair of housing.

After the nut comes out of the heating chamber, the rotating motor and the lifting cylinder are started, the lifting cylinder moves downwards after the lifting cylinder is started, the lifting cylinder drives the mechanical claw and the fixed plate to move downwards when moving downwards, the fixed plate moves downwards to drive one end of the movable rod to move downwards, the other end of the movable rod moves upwards, one end of the movable rod which moves upwards drives the pair of housings to be opened outwards, the nut is grabbed by the mechanical claw at the moment, the lifting cylinder drives the lifting column to move upwards, the mechanical claw and the fixed plate move upwards immediately, the fixed plate moves upwards to drive one end of the movable rod to move upwards, the other end of the movable rod moves downwards, the movement which moves downwards drives the pair of housings to move inwards, and the pair of housings are combined; the pair of enclosers are driven to open and close outwards or outwards by the aid of power of the mechanical claw moving upwards and downwards, when the mechanical claw is in a downwards moving state, the pair of enclosers are opened, when the mechanical claw is in an upwards moving state, the pair of enclosers are in a combined state, the nut is completely grabbed by the mechanical claw in the combined state, the nut is positioned in the enclosers, the enclosers isolate the nut from outside air flow, contact between the nut and outside air is reduced, loss of temperature of the nut in the transportation process is reduced, secondly, when a loosening phenomenon occurs in the moving process of the mechanical claw, the nut cannot fall onto the ground, the enclosers can bear the nut, the nut is prevented from falling onto the ground, stability in the transportation process is guaranteed, and the nut falls into the enclosers when the loosening phenomenon occurs in the mechanical claw, at this moment, the staff can judge that the mechanical claw has a fault and immediately carry out maintenance processing on the mechanical claw.

In conclusion, the invention has the following advantages: 1. the hot air flow is driven by the hollow turntable to rotate for 360 degrees to exhaust air outwards, and the heating chamber is heated, so that the range of the nut for receiving the hot air flow is wider and wider, the nut is heated more uniformly, and the nut preheating efficiency is improved;

2. through the setting of housing, can guarantee that the nut keeps warm to the nut at the in-process of transportation, reduce the area that nut and outside air contacted.

Drawings

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

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

Fig. 3 is a cross-sectional perspective view taken along a-a in fig. 2.

Fig. 4 is an enlarged view of a structure shown in fig. 3.

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

Fig. 6 is a rear view of the present invention.

Fig. 7 is a cross-sectional perspective view taken along line C-C in fig. 6.

Fig. 8 is an enlarged view of the structure at C in fig. 7.

Fig. 9 is a cross-sectional perspective view of the present invention.

Fig. 10 is an enlarged view of the structure at D in fig. 9.

Fig. 11 is a left side view of the present invention.

Fig. 12 is a cross-sectional perspective view taken along E-E in fig. 11.

Fig. 13 is an enlarged view of the structure at F in fig. 12.

Fig. 14 is an enlarged view of the structure at G in fig. 12.

Fig. 15 is a partial sectional perspective view taken along a-a in fig. 2.

Fig. 16 is an enlarged view of the structure at H in fig. 15.

Detailed Description

As shown in fig. 1-16, an automatic necking apparatus for machine parts comprises a frame 1, a conveyor belt 2, nuts 3, a heating device 4, a necking station 5 and a necking device 6; the conveyor belt 2 is arranged on the frame 1, and the conveyor belt 2 is in the prior art and is not described again; the nuts 3 are arranged in a plurality of numbers and are uniformly arranged on the conveyor belt 2 at intervals, and the nuts 3 are workpieces processed at this time; the heating device 4 is arranged on the frame 1; the closing-in table 5 is arranged in front of the right end of the frame 1; the closing-in device 6 is arranged on the closing-in table 5.

Be equipped with the equipment of shooing 11 in the frame 1, the equipment of shooing 11 cooperatees with closing up machine 64 through data processor 12. Nut 3 carries out the transport on conveyer belt 2, advances to shoot equipment 11, shoots nut 3, and on the size information feedback that shoots was good was given data processor 12, data processor 12 carried out data processing to closing up machine 64 again for 3 closing up machines 64 close up the size unanimous to nut 3.

The closing-in device 6 comprises a mounting seat 60, a closing-in groove 61, a clamping block 62, a second spring 63, a closing-in machine 64, a pressure sensor 65 and a displacement sensor 651; the mounting seat 60 is fixedly connected to the closing-in table 5; the closing groove 61 is arranged at the center of the mounting seat 60; the number of the clamping blocks 62 is 3, and the clamping blocks are uniformly arranged in the circumferential direction in the closing-in groove 61 at intervals; the second spring 63 is used for connecting the receiving slot 61 and the clamping block 62; the collecting machines are arranged in 3 numbers and are uniformly arranged on the mounting base 60 at intervals, and the necking machine 64 is the prior art and is not described again; the pressure sensor 65 and the displacement sensor 651 are both fixedly connected to the necking machine 64; an air outlet 66 communicated with the heat preservation cavity 50 is formed in the mounting seat 60, and an induction device 100 matched with the clamping block 62 is arranged in the mounting seat 60.

The nut contacts with the grip block, the grip block carries out outside motion, the second spring is compressed, the binding off machine receives the information that data processor reacted, then the binding off machine moves, bind off the nut, binding off machine motion drives pressure sensor and displacement sensor and removes, the displacement change that the displacement sensor detectable binding off machine removed, after binding off machine removed a locating position, binding off machine can stop work, setting through the grip block, can carry out a relative centre gripping to the nut, prevent that the nut from producing the phenomenon of removing, when not having the nut to place in the groove of binding off, under the effect of second spring, the grip block can realize quick resetting, also can realize simultaneously that the nut of different diameters size carries out the centre gripping, the range of application is wider.

The induction device 100 comprises a moving groove 1000, a moving rod 1001 and an extrusion block 1002; the moving rod 1001 is disposed in the moving groove 1000 and is movable in the moving groove 1000; the ram 1002 is attached to the movable rod 1001 and is capable of contacting the pressure sensor 65.

When the necking machine 64 works, the necking machine 64 moves forward to drive the movable rod 1001 to move downwards, and the movable rod 1001 moves forward to drive the extrusion block 1002 to move forwards; the force of the movement of the closing-in machine 64 drives the extrusion block 1002 to move forwards with the same force, when the closing-in machine 64 closes up a workpiece, the moving distance is too large, closing-up variation is caused, the extrusion block 1002 extrudes the pressure sensor 65, the pressure sensor 65 receives an extruded signal, the information is fed back to the closing-in machine 64, at the moment, the closing-in machine 64 stops working, when the moving distance of the closing-in machine 64 is moderate, the extrusion cannot be in contact with the pressure sensor 65, the pressure sensor 65 cannot be started, the force of the movement of the closing-in machine 64 is in direct proportion to the force received by the pressure sensor 65, the workpiece cannot be closed up too much, the closing-in machine can be stopped to work as long as one of the force and the displacement between the force is monitored by adopting the pressure sensor and the displacement sensor, and the quality of the product is improved.

The heating device 4 comprises a heating chamber 40, a motor 41, an output shaft 42, a rotary groove 43, a hollow rotary disc 44, a heater 45, an air outlet pipe 46, an output fulcrum 47, an air outlet hole 48 and an air outlet device 7; the motor 41 is fixedly connected to the top of the heating chamber 40, and the motor 41 is the prior art and is not described herein again; the output shaft 42 is fixedly connected to the motor 41; the rotary groove 43 is arranged in the heating chamber 40; the hollow turntable 44 is embedded in the rotary groove 43 and rotates in the rotary groove 43; the heater 45 is fixedly connected to the top of the idle turntable, the heater 45 can adopt a suction pump to pump gas, and the pumped gas heats the gas through a heating wire; one end of the air outlet pipe 46 is fixedly connected to the heater 45, and the other end of the air outlet pipe penetrates into the hollow turntable 44 and rotates along with the hollow turntable 44; the output fulcrum shafts 47 are arranged in 2 numbers, are uniformly arranged at intervals in the circumferential direction of the output shaft 42, and have one end fixedly connected to the output shaft 42 and the other end fixedly connected to the idle turntable; the air outlet holes 48 are arranged in a plurality, and compared with the present embodiment, the number of the air outlet holes 48 is 3, and the air outlet holes are uniformly arranged in the circumferential direction of the idle turntable at intervals; the number of the air outlet devices 7 is equal to that of the air outlet holes 48, and the air outlet devices are in one-to-one correspondence and are respectively arranged on the air outlet holes 48; specifically, the inner wall of the heating chamber 40 is provided with a tubular electric furnace, and the tubular electric furnace is matched with the heating device.

The motor 41 and the heater 45 are started, the nut 3 is transported on the conveyor belt 2, when the nut 3 is transported into the heating chamber 40, the motor 41 drives the output shaft 42 to rotate, the output shaft 42 drives the output fulcrum 47 to rotate, the output fulcrum 47 drives the idle rotation to rotate, the hollow turntable 44 drives the heater 45 and the air outlet pipe 46 to rotate, and hot air flows outwards from the air outlet pipe 46 and then outwards from the air outlet hole 48. Through the effect of heater 45, can close up nut 3 before, preheat, close up work to nut 3 again, when having guaranteed that nut 3 closes up, can not produce rigid extrusion, lead to nut 3 to produce deformation, the quality of nut 3 closing up has been guaranteed, because the hot gas flow is under hollow turntable 44's drive, the hot gas flow carries out 360 degrees rotations and outwards gives vent to anger, heat in heating chamber 40, make the scope that nut 3 received the hot gas flow become more wider, nut 3 is heated more evenly, the efficiency that nut 3 preheated has been improved.

The air outlet device 7 comprises a hollow column 70, a first air outlet 71, a first fixed disc 72, a second fixed disc 73, a lifting column 74, an inclined air outlet hole 75, a first spring 76 and an air pipe 77; the number of the first air outlets 71 is multiple, and the number of the first air outlets 71 can be arranged according to specific situations, and the first air outlets 71 are uniformly arranged on the circumferential direction of the hollow column 70 at intervals; the first fixed disk 72 is sleeved on the top of the hollow column 70, a connecting rod 721 is arranged on the first fixed disk 72, one end of the connecting rod is fixedly connected with the first fixed disk 72, and the other end of the connecting rod is fixedly connected in the heating chamber 40; the second fixed disc 73 is fixedly connected to the bottom outside the hollow column 70; the inclined air outlets 75 are arranged in a plurality of rows, a plurality of inclined air outlets 75 are arranged in one row, and the inclined air outlets 75 are uniformly arranged in the circumferential direction of the lifting column 74 at intervals; the first spring 76 is used for connecting the lifting column 74 and the second fixing disc 73; the vent tube 77 is used to communicate the hollow column 70 with the lifting column 74.

When the hollow rotary disk 44 rotates, the lifting column 74 is driven to rotate, and at this time, the hot air flow enters from the vent pipe 77, flows into the lifting column 74, and then flows out from the interior of the lifting column 74 to the inclined air outlet 75. Through the setting of lift post 74, the hot gas flow is not only outwards flowed from outlet duct 46, outwards flow in the lift post 74 is also followed simultaneously, make the hot gas flow divide into a plurality of branches and outwards flow, the outside efficiency that flows of hot gas flow has been accelerated, make simultaneously can be quick in the heating chamber 40 heat up, secondly, because the setting of slope venthole 75, guaranteed that gaseous lower part in the heating chamber 40 outwards flows, make nut 3 can receive the time of hot gas flow and accelerate, the efficiency of heating is improved.

The first fixing disc 72 is provided with a pressing rod 720, and the hollow column 70 is provided with an arc surface 700 matched with the pressing rod 720.

When the hollow column 70 is driven by the hollow turntable 44, the hollow column 70 rotates to drive the second fixing disc 73 to rotate, the second fixing disc 73 rotates to drive the lifting column 74 to rotate, when the lifting column 74 rotates to the contact of the abutting rod 720, the lifting column 74 moves downwards under the action of the first spring 76, and when the abutting rod 720 does not contact the arc surface 700 on the lifting column 74, the lifting column 74 moves upwards. Through the reciprocating of lift post 74, the rotatory gas blowing that blows of hot gas flow is simultaneously also carrying out the gas blowing that reciprocates for each face of nut 3 can be heated more evenly, guarantees that each corner of nut 3 can both receive the hot gas flow.

The necking-in table 5 is provided with a heat preservation cavity 50, the heat preservation cavity 50 corresponds to the necking-in device 6, the heat preservation cavity 50 is matched with the heating chamber 40 through a heat preservation device 8, and the heat preservation device 8 comprises a transmission pipe 80, a rotating groove 81, a first rotating shaft 82, a first bevel gear 83, a second rotating shaft 84 and a fan 85; the transmission pipe 80 is used for communicating the heat preservation cavity 50 and the heating chamber 40; the rotary tank 81 is arranged at one side of the communicating pipe; the first rotating shaft 82 is embedded in the rotating groove 81 and rotates in the rotating groove 81; the first bevel gear 83 is fixedly connected to the first rotating shaft 82; the second rotating shaft 84 is fixedly connected in the first bevel gear 83; the fan 85 is provided on the second rotation shaft 84.

The first bevel gear 83 rotates to drive the first rotation shaft 82 and the first rotation shaft 82 to rotate, and the second rotation shaft 84 rotates to drive the fan 85 to rotate. Through the rotation of fan 85, make the hot gas flow can condense around fan 85, make the hot gas flow transmit heat preservation chamber 50 from transmission pipe 80 in, prevent the cooling of nut 3 self, when leading to closing up nut 3, produce hard extrusion force, make nut 3 self produce deformation, transmission pipe 80 can carry the hot gas flow, keep warm to nut 3 on the platform 5 that closes up, reduce the thermal scattering and disappearing of nut 3 self, make the nut 3 quality more high-efficient that processes out.

An input shaft 400 is embedded in the heating chamber 40, a second bevel gear 401 meshed with the first bevel gear 83 is arranged on the input shaft 400, and the input shaft 400 is connected with the output shaft 42 through a belt 402. Rotate through output shaft 42 and transmit power for belt 402 on, belt 402 is again with power transmission to input shaft 400 on, input shaft 400 rotates and drives second conical gear 401 and rotate, and second conical gear 401 rotates and meshes with first conical gear 83 for first conical gear 83 rotates, need not with the help of extra power source, has guaranteed the synchronism of working process, and more energy-concerving and environment-protective saves the resource, reduces extravagantly.

A transmission device 9 is arranged on the closing-in table 5, and the transmission device 9 comprises a rotating motor 90, a rotating column 91, a lifting cylinder 92, a lifting cylinder 93, a mechanical claw 94 and a housing 95; the rotating motor 90 is fixedly connected to the closing-in table 5; the rotating column 91 is fixedly connected to the rotating motor 90; the lifting cylinder 92 is fixedly connected to the lifting cylinder 93; the gripper 94 is disposed on the lifting cylinder 93, and the gripper 94 is prior art and will not be described herein; the pair of housings 95 are respectively sleeved outside the lifting cylinder 92, and the pair of housings 95 are combined into a complete square or rectangular shape; the lifting cylinder 93 is externally provided with a fixed plate 96, four corners of the fixed plate 96 are respectively provided with a first movable rod 97 connected with a pair of housings 95, one end of the first movable rod 97 is movably connected on the housing 95, and the other end of the first movable rod is fixedly connected on the fixed plate 96.

After the nut 3 comes out of the heating chamber 40, the rotating motor 90 and the lifting cylinder 92 are started, the lifting cylinder 92 is started, the lifting cylinder 93 moves downwards, the lifting cylinder 93 drives the mechanical claw 94 and the fixing plate 96 to move downwards when moving downwards, the fixing plate 96 moves downwards to drive one end of the movable rod to move downwards, the other end of the movable rod moves upwards, one end of the movable rod drives the pair of housings 95 to be opened outwards, the nut 3 is grabbed by the mechanical claw 94, then the lifting cylinder 92 drives the lifting column 74 to move upwards, the mechanical claw 94 and the fixing plate 96 move upwards immediately, the fixing plate 96 moves upwards to drive one end of the movable rod to move upwards, the other end of the movable rod moves downwards, the downward movement drives the pair of housings 95 to move inwards, and the pair of housings 95 are combined; the pair of housings 95 are driven to open and close outwards or outwards by the power of the mechanical claw 94 moving upwards and downwards, when the mechanical claw 94 is in a downwards moving state, the pair of housings 95 are opened, when the mechanical claw 94 is in an upwards moving state, the pair of housings 95 are in a combined state, when in the combined state, the nut 3 is completely grabbed by the mechanical claw 94, the nut 3 is positioned in the housings 95, the housings 95 isolate the nut 3 from outside air flow, the contact between the nut 3 and outside air is reduced, so that the temperature loss of the nut 3 in the transportation process is reduced, secondly, when the mechanical claw 94 loosens in the moving process, the nut 3 cannot fall onto the ground, the housings 95 can bear the nut 3, the nut 3 is prevented from scattering on the ground, the stability of the transportation process is ensured, when the nut 3 loosens due to the mechanical claw 94, and falls into the housing 95, and the worker can determine that the gripper 94 has failed, and immediately perform maintenance processing on the gripper 94.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.