CN112577283A

CN112577283A - Drying device for piston production line and control method thereof

Info

Publication number: CN112577283A
Application number: CN202011480640.9A
Authority: CN
Inventors: 不公告发明人
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-03-30

Abstract

The invention discloses a drying device for a piston production line, which has the characteristics of high drying efficiency and good drying effect.

Description

Drying device for piston production line and control method thereof

Technical Field

The invention belongs to the technical field of piston production, and particularly relates to a drying device for a piston production line and a control method thereof.

Background

Can be through processes such as washing, drying in the piston production process, current drying process is draining treatment earlier usually, is putting into the oven and is drying, perhaps directly places and dry in the oven, nevertheless because piston surface ponding is more, can lead to the drying process longer, and the oven is power consumptive more, and current stoving mode, pile up the piston and dry in the material frame usually, the homogeneity among the piston drying process is poor, also can lead to the problem such as drying time overlength, the power consumption is too big.

Disclosure of Invention

The invention aims to provide a drying device for a piston production line, which has the characteristics of high drying efficiency and good drying effect.

The purpose of the invention is realized as follows: the utility model provides a drying device for piston production line, includes outer frame, arranges drying cabinet and the stores pylon in outer frame, its characterized in that: the drying cabinet is internally provided with a clamping and rotating mechanism for driving the hanging rack to rotate, the top of the drying cabinet is provided with a cabinet cover opening and closing device, and the drying cabinet is also connected with an air supply circulating system.

The invention is further configured to: the drying box is also internally provided with a partition plate, the clamping and rotating mechanism comprises a barrel, a rotating assembly, a clamping assembly and a driving assembly, the barrel penetrates through the partition plate and is fixed at the bottom of the drying box, the rotating assembly is sleeved outside the barrel and is arranged on the partition plate, the clamping assembly is arranged on the barrel, the driving assembly is used for driving the clamping assembly to radially extend or contract, the driving assembly is also used for driving the rotating assembly to rotate, the clamping assembly is abutted against a piston on the hanging frame when radially extending, the clamping assembly is separated from the piston on the hanging frame when radially contracting, the hanging frame is sleeved outside the barrel and is arranged on the rotating assembly, the air supply circulating system comprises an air inlet channel, a hot air outlet channel, a hot air circulating channel, a heating box and an impeller, the air inlet channel is used for communicating the air inlet end of the heating box with the outside atmosphere, and the hot air outlet channel, the heated air circulation runner is used for communicating between drying cabinet and the heating cabinet inlet end, is equipped with a plurality of ventholes on the barrel, and the impeller mounting is equipped with dust removal component in the air inlet runner in the barrel, is equipped with the dehumidification subassembly in the heated air circulation runner.

The invention is further configured to: the clamping components comprise an upper group and a lower group, the two groups of clamping components comprise a main gear, an auxiliary gear, a plurality of racks and a plurality of clamping ring nets, the main gear is arranged on the transmission shaft, the inner side of the barrel body is also provided with mounting plates for fixing the two groups of clamping components respectively, through holes for the transmission shaft to pass through are formed in the mounting plates, the transmission shaft is axially limited and fixed on the mounting plates, the auxiliary gear is arranged on the mounting plates, the auxiliary gears are arranged at equal intervals along the circumferential direction of the main gear and are meshed with the main gear, a plurality of positioning blocks are also arranged on the mounting plates and are distributed along the circumferential direction of the main gear, sliding grooves for mounting the racks are formed in the positioning blocks, the toothed sides of the racks;

the driving assembly comprises a transmission shaft and a driving motor for driving the transmission shaft to rotate, the driving motor is arranged at the bottom of the drying oven and comprises a motor shaft, a shaft coupling is arranged between the motor shaft and the transmission shaft, the shaft coupling comprises a movable sleeve, a fixed rod and a connecting shaft which are sequentially arranged from top to bottom, the bottom end of the transmission shaft is arranged in one end of the movable sleeve, the fixed rod is arranged in the other end of the movable sleeve, the fixed rod is fixedly connected with the connecting shaft, a plurality of key teeth are arranged in the movable sleeve, a plurality of key grooves matched with the key teeth are arranged on the transmission shaft, an end face cam is also arranged on the bottom end of the movable sleeve, a convex block which is axially matched with the end face cam in an abutting mode is arranged on the fixed rod, a retaining ring which is arranged in the movable sleeve is also sleeved on the fixed rod, the bottom end of the connecting shaft sequentially penetrates through the bottom of the cylinder body and the bottom of the drying box, the connecting shaft is axially limited and arranged in the cylinder body, a motor shaft of the driving motor is connected with the connecting shaft through a gear set, and the impeller is installed on the connecting shaft.

The invention is further configured to: be equipped with the mounting hole that supplies the barrel to pass on the baffle, the baffle bottom forms the isolation chamber, the rotary disk includes rotary platform and the rotation axis of a body structure, the barrel outside is located to the rotary shaft cover, and install in the mounting hole, rotary platform is located the baffle upper surface, and be equipped with the sliding gasket between rotary platform and the baffle, still be equipped with lock cap and the first gear of arranging the baffle lower surface in on the rotation axis, be connected with the transfer line on the motor shaft, still be equipped with the second gear with first gear engagement on the transfer line, still be equipped with clutch between motor shaft and the second gear, be equipped with the auto-lock subassembly that is used for restricting rotary disk rotation state in the mounting hole.

The invention is further configured to: the clutch device comprises a first electromagnet and a magnet core, the first electromagnet is arranged on the lower surface of the partition plate and is opposite to the end part of the transmission rod, a sliding hole is further formed in the transmission rod, the magnet core is arranged in the sliding hole, a plurality of through holes radially penetrating through the sliding hole are further formed in the transmission rod, balls are arranged in the through holes, annular grooves matched with the balls are further formed in the magnet core, a plurality of inner grooves communicated with the through holes are further formed in the inner wall of the sliding hole, and a plurality of limiting grooves matched with the balls are formed in the second gear; when the first electromagnet is electrified, the first electromagnet generates magnetic force to attract the magnetic core upwards, and the magnetic core pushes the ball to move out towards the through hole and be clamped with the limiting groove in the second gear, so that the transmission rod drives the second gear to rotate; when the first electromagnet is powered off, the magnetic force of the first electromagnet disappears, the magnetic core moves downwards to reset, and the ball slides into the transmission rod along the inner groove, so that the transmission rod and the second gear are separated.

The invention is further configured to: the self-locking assembly comprises a second electromagnet, a return spring and a magnetic lock head which are sequentially arranged, an annular groove is formed in the rotating shaft, annular teeth are arranged on the annular groove, teeth matched with the annular teeth are arranged on the magnetic lock head, when the second electromagnet is powered on, the second electromagnet generates attraction force on the magnetic lock head, the teeth on the magnetic lock head are separated from the annular teeth, and when the second electromagnet is powered off, the magnetic lock head is abutted against the annular teeth under the action force of the return spring, so that the locking effect is achieved.

The invention is further configured to: the box cover opening and closing device comprises a cover plate, a sliding plate arranged in the cover plate and an electric cylinder arranged on the outer side of the cover plate and used for driving the sliding plate to translate, wherein the cover plate is provided with a placing hole, and the electric cylinder is used for driving the sliding plate to open or close the placing hole;

the dust removal component comprises a filter frame, filter screens arranged at two ends of the filter frame and filter cotton arranged between the filter screens;

the dehumidification assembly comprises a shell, a front fixed frame arranged in the shell, a rear sliding frame arranged in the shell, and a water absorption sponge arranged between the front fixed frame and the rear sliding frame, and the bottom of the shell is also provided with a water outlet hole;

the rear sliding frame is also provided with a driving rod, the driving rod is connected with a cylinder rod of the electric cylinder, and when the cylinder rod of the electric cylinder drives the sliding plate to slide to the placing hole, the rear sliding frame is driven to move backwards at the same time, so that the water absorption sponge expands; when the cylinder rod of the electric cylinder drives the sliding plate to be far away from the placing hole, the rear sliding frame is driven to move forwards, and the water absorption sponge is compressed.

The invention is further configured to: the stores pylon includes a plurality of ring carrier, and the couple equidistance is installed on the upper surface of ring carrier, is equipped with wear-resisting piece on the couple, and on wear-resisting piece was located to the piston bush, the stores pylon bottom was equipped with a plurality of universal wheels, is equipped with a plurality of limiting plates on the rotary platform, and the limiting plate sets up along rotary platform circumference equidistance.

A control method for a drying device of a piston production line further comprises a control system, wherein the control system comprises a PLC control unit and a rotating speed sensor for detecting the rotating state of a transmission shaft, and the running states of a driving motor, a first electromagnet, a second electromagnet, a heating box and an electric cylinder are controlled by the PLC control unit;

the control method comprises the following specific steps:

s1, the control system is in a starting state, the PLC control unit controls the electric cylinder to drive the sliding plate to slide, the placing hole is in an opening state, and then the hanging rack is placed on the rotating platform and then the step S2 is carried out;

s2, the PLC control unit controls the electric cylinder to drive the sliding plate to slide, the placing hole is in a closed state, the heating box is controlled to be started, the driving motor is controlled to rotate forwards, the rotating speed sensor starts to detect the rotating state of the transmission shaft after the motor shaft rotates forwards continuously for A seconds, and the step S3 is executed when the rotating state is detected to be static;

s3, electrifying the second electromagnet, electrifying the first electromagnet after delaying C seconds, driving the motor to drive the rotating disc to rotate, and entering the step S4 after electrifying the first electromagnet for D seconds;

s4, powering off the first electromagnet, powering off the second electromagnet after delaying G seconds, controlling the motor to rotate reversely by the PLC control unit, and entering S5 when the rotation speed sensor starts to detect the rotation state of the transmission shaft after the motor shaft rotates continuously for E seconds;

s5, stopping the motor, controlling the electric cylinder to drive the sliding plate to slide by the PLC control unit, enabling the placing hole to be in an open state, and entering the step S6;

and S6, taking the hanging rack out of the drying box, and returning to the step S1.

By adopting the technical scheme, the method has the following advantages: during drying, water throwing and air drying are carried out together, so that the drying efficiency is high and the energy consumption is low;

through the arrangement of the clamping assembly and the rotating assembly, the piston can rotate along with the circumferential direction of the hanging rack in the drying process, and can rotate automatically, so that the effect of fully throwing water is achieved, meanwhile, the piston can be fully contacted with hot air, the drying effect and the drying efficiency are improved, and through the arrangement of the clamping assembly, the piston is good in installation stability and is not easy to drop in the rotating process of the hanging rack;

through the arrangement of the air supply circulating system, the piston is quickly dried, the drying efficiency is improved, hot air in the air supply circulating system can be repeatedly circulated, the heating energy consumption is reduced, and more energy is saved;

the clamping assembly and the rotating assembly are driven by a single driving motor, so that the structure is simplified, and more energy is saved; in the rotating process of the rotating disc, the transmission shaft has circumferential rotation potential energy, the clamping ring network can be kept to radially clamp the piston, and the stability is good;

the control method has the advantages that automatic control can be realized, the drying efficiency is high, the drying time can be automatically controlled, and the control of the drying time is convenient.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention in its entirety;

FIG. 2 is a schematic view of a clamping and rotating mechanism according to the present invention;

FIG. 3 is a schematic top view of the clamping assembly of FIG. 2 in accordance with the present invention;

FIG. 4 is a schematic structural view of the clutch device of FIG. 2 according to the present invention;

FIG. 5 is an enlarged view of portion A of FIG. 2 according to the present invention;

FIG. 6 is a schematic view of the coupling of FIG. 2 of the present invention shown at B;

FIG. 7 is a schematic view of the engagement between the end cam and the projection of FIG. 6 according to the present invention;

FIG. 8 is a schematic view of the dehumidification assembly of the present invention;

FIG. 9 is a schematic view of the structure of the hanger of the present invention;

fig. 10 is a logic block diagram of a control method in the present invention.

The reference numbers in the figures are: 101. an air intake runner; 102. a hot air outlet flow passage; 103. a hot air circulation flow passage; 104. a heating box; 105. an impeller; 106. a dust removal assembly; 107. a dehumidification assembly; 108. a cover plate; 109. a slide plate; 110. an electric cylinder; 111. a housing; 112. a front fixed frame; 113. a rear slide frame; 114. a water-absorbing sponge; 115. a water outlet hole; 116. a drive rod; 1. an outer frame; 2. a drying oven; 3. a hanger; 4. a clamping assembly; 5. a barrel; 6. a drive shaft; 7. a drive motor; 8. a main gear; 9. a pinion gear; 10. a rack; 11. clamping a looped network; 12. mounting a plate; 13. a chute; 14. a partition plate; 15. rotating the platform; 16. a rotating shaft; 17. a lock cap; 18. a first gear; 19. a second gear; 20. a clutch device; 21. a transmission rod; 22. a first electromagnet; 23. a magnetic core; 24. a slide hole; 25. a ball bearing; 26. a ring groove; 27. an inner tank; 28. a limiting groove; 29. a second electromagnet; 30. a return spring; 31. a magnetic lock head; 32. a movable sleeve; 33. fixing the rod; 34. a connecting shaft; 35. tooth care; 36. an end cam; 37. a bump; 38. a baffle ring; 39. pressing the cap; 40. a return spring; 41. and (4) an annular bracket.

Detailed Description

The invention is further described in the following with specific embodiments in conjunction with the accompanying drawings, see fig. 1-10:

the utility model provides a drying device for piston production line, includes outer frame 1, arranges drying cabinet 2 and stores pylon 3 in outer frame 1, its characterized in that: be equipped with in drying cabinet 2 and be used for driving the rotatory centre gripping rotary mechanism of stores pylon 3, the top of drying cabinet 2 is equipped with the case lid device that opens and shuts, still is connected with air feed circulation system on drying cabinet 2.

The clamping and rotating mechanism can drive the hanging rack 3 to rotate to realize water throwing of the piston on the hanging rack 3, hot air is introduced through the air supply circulating system to realize air drying, and the box cover opening and closing device is convenient for closing or opening the drying box 2.

The drying box 2 is also internally provided with a partition plate 14, the clamping and rotating mechanism comprises a cylinder 5, a rotating component, a clamping component 4 and a driving component, the cylinder 5 penetrates through the partition plate 14 and is fixed at the bottom of the drying box 2, the rotating component is sleeved outside the cylinder 5 and is arranged on the partition plate 14, the clamping component 4 is arranged on the cylinder 5, the driving component is used for driving the clamping component 4 to radially extend or contract and is also used for driving the rotating component to rotate, the clamping component 4 is abutted against a piston on the hanging rack 3 when radially extending, the clamping component 4 is separated from the piston on the hanging rack 3 when radially contracting, the hanging rack 3 is sleeved outside the cylinder 5 and is arranged on the rotating component, the air supply circulating system comprises an air inlet channel 101, a hot air outlet channel 102, a hot air circulating channel 103, a heating box 104 and an impeller 105, the air inlet channel 101 is used for communicating the air inlet end of the heating box, the hot air outlet flow passage 102 is used for communicating an air outlet end of the heating box 104 with the bottom of the cylinder 5, the hot air circulating flow passage 103 is used for communicating an air inlet end of the drying box 2 with an air inlet end of the heating box 104, an air outlet hole is formed in the cylinder 5, the impeller 105 is installed in the cylinder 5, the dust removal assembly 106 is arranged in the air inlet flow passage 101, and the dehumidification assembly 107 is arranged in the hot air circulating flow passage 103.

The partition plate 14 and the drying box 2 can be connected in a sealing mode, sealing is carried out through sealing strips, sealing glue and the like, a drainage guide groove can be further formed in the surface of the partition plate 14, and a drainage port is formed in the drying box 2 to facilitate drainage; the air supply circulation system is used for circularly supplying hot air, external air is heated by the heating box 104 and then conveyed to the cylinder 5, the impeller 105 drives the external air to supply air upwards, hot air flows out from the air outlet hole to heat and air-dry the piston, and the conventional heater such as a heating resistance wire and the like can be arranged in the heating box 104; the hot air circulation flow channel 103 is convenient for hot air to be in a circulation state, can be repeatedly utilized, improves the heat utilization rate, the dust removal component 106 plays a dust removal role when being used for entering an air supply circulation system to outside air, the cleanliness when drying is guaranteed, and the dehumidification component 107 is used for adsorbing water vapor in circulating gas to achieve a dehumidification effect.

The clamping assemblies 4 comprise an upper group and a lower group, the two groups of clamping assemblies 4 respectively comprise a main gear 8, a secondary gear 9, a plurality of racks 10 and a plurality of clamping ring nets 11, the main gear 8 is arranged on a transmission shaft 6, mounting plates 12 which are respectively used for fixing the two groups of clamping assemblies 4 are further arranged on the inner side of the barrel 5, through holes for the transmission shaft 6 to pass through are formed in the mounting plates 12, the transmission shaft 6 is axially limited and fixed on the mounting plates 12, the secondary gears 9 are arranged at equal intervals along the circumferential direction of the main gear 8, the secondary gears 9 are meshed with the main gear 8, a plurality of positioning blocks which are circumferentially arranged along the main gear 8 are further arranged on the mounting plates 12, sliding grooves 13 for mounting the racks 10 are formed in the positioning blocks, the toothed sides of the racks 10 face;

the mounting plate 12 and the barrel 5 can be detachably connected, the main gear 8 and the transmission shaft 6 can be in key connection, when the transmission shaft 6 rotates, the main gear 8 is driven to rotate, then the main gear 8 drives the auxiliary gear 9 to rotate, and the auxiliary gear 9 drives the rack 10 to move radially, so that the effects of outward movement, expansion and inward movement and contraction are achieved; wherein the locating piece plays spacing effect to the moving direction of gear, the tip of centre gripping looped netowrk 11 and rack 10 can select for use screw connection, welding, mode such as bonding to connect, centre gripping looped netowrk 11 is the ring lamella form, when the outward shift is stretched, radial conflict can be realized with the piston to centre gripping looped netowrk 11, wherein centre gripping subassembly 4 can adopt pottery, material preparation such as nylon 66, centre gripping looped netowrk 11 surface has the mesh, can reduce the resistance of radial movement in-process, and improve the gas permeability, be convenient for hot-blast drying to the piston.

The inner side of the cylinder body 5 can also be provided with a plurality of mounting columns, the mounting plate 12 is provided with connecting holes which are opposite to the mounting columns, and the mounting plate 12 and the mounting columns are fixed by screws; the erection column can be in integrated into one piece is fixed in barrel 5, and the week of mounting panel 12 is followed and to be set up the breach, is convenient for install at 5 interior movable mounting of barrel, when reaching the assigned position, locks through long screw, plays the fixed action, the 5 inner structure's of the barrel installation of being convenient for.

The driving assembly comprises a transmission shaft 6 and a driving motor 7 used for driving the transmission shaft 6 to rotate, the driving motor 7 is installed at the bottom of the drying box 2, the driving motor 7 comprises a motor shaft, a coupler is arranged between the motor shaft and the transmission shaft 6, the coupler comprises a movable sleeve 32, a fixed rod 33 and a connecting shaft 34 which are sequentially arranged from top to bottom, the bottom end of the transmission shaft 6 is installed in one end of the movable sleeve 32, the fixed rod 33 is installed in the other end of the movable sleeve 32, the fixed rod 33 is fixedly connected with the connecting shaft 34, a plurality of key teeth are arranged in the movable sleeve 32, a plurality of key grooves matched with the key teeth are arranged on the transmission shaft 6, an end cam 36 is further arranged at the bottom end of the movable sleeve 32, a convex block 37 which is in axial interference fit with the end cam 36 is arranged on the fixed rod 33, a baffle ring 38 which is arranged in the movable sleeve 32 is, the fixing rod 33 is further sleeved with a return spring 40 located between the baffle ring 38 and the pressing cap 39, the bottom end of the connecting shaft 34 sequentially penetrates through the bottom of the cylinder 5 and the bottom of the drying box 2, the connecting shaft 34 is axially limited and arranged in the cylinder 5, a motor shaft of the driving motor 7 is connected with the connecting shaft 34 through a gear set, and the impeller 105 is installed on the connecting shaft 34.

When the driving motor 7 is started, the connecting shaft 34 can be driven to normally rotate, the fixed rod 33 and the connecting pin can be fixedly connected in a positioning pin mode and the like, so that the fixed rod 33 can also normally rotate, the connecting pin and the movable sleeve 32 are abutted against the lug 37 through the adaptive end face cam 36, the axial abutting force is increased through the reset spring 40, and therefore under the normal condition, the fixed rod 33 can drive the movable sleeve 32 to circumferentially rotate, the movable sleeve 32 and the transmission shaft 6 are connected through keys, and the transmission shaft 6 can also normally rotate; however, when the clamping assembly 4 is radially extended to the maximum position or radially contracted to the minimum position, the transmission shaft 6 cannot rotate, circumferential sliding is generated between the end face cam 36 and the lug 37 at the moment, the return spring 40 is forced to be compressed, the movable sleeve 32 axially slides relative to the transmission shaft 6, and the motor shaft can normally rotate at the moment, so that the driving motor 7 is prevented from being damaged, and meanwhile, the connecting shaft 34 can keep rotating, so that the impeller 105 can be driven to continuously rotate, the impeller 105 can generate air flow, and the circulation of hot air is ensured; in the rotating process of the rotating disc, the transmission shaft 6 has circumferential rotation potential energy, so that the clamping ring net 11 can be kept to radially clamp the piston, and when the hanging frame 3 rotates relative to the cylinder 5, the piston on the hanging frame 3 rolls relative to the clamping ring net 11; wherein, the transmission shaft 6 is axially limited and fixed on the mounting plate 12, the connecting shaft 34 is axially limited and fixed at the bottom of the cylinder 5, and sealing rings can be arranged between the connecting shaft 34 and the bottom of the cylinder 5 and between the connecting shaft and the bottom of the drying box 2 to play a role in sealing.

The barrel is characterized in that a mounting hole for the barrel 5 to penetrate is formed in the partition plate 14, an isolation cavity is formed at the bottom of the partition plate 14, the rotating disc comprises a rotating platform 15 and a rotating shaft 16 which are of an integrated structure, the rotating shaft 16 is sleeved outside the barrel 5 and is mounted in the mounting hole, the rotating platform 15 is located on the upper surface of the partition plate 14, a sliding gasket is arranged between the rotating platform 15 and the partition plate 14, a lock cap 17 and a first gear 18 which are arranged on the lower surface of the partition plate 14 are further arranged on the rotating shaft 16, a transmission rod 21 is connected to the motor shaft, a second gear 19 meshed with the first gear 18 is further arranged on the transmission rod 21, a clutch device 20 is further arranged between the motor shaft and the second gear 19, a mounting hole is formed in the.

A sealing ring can be arranged between the rotating disk and the partition plate 14, the rotating disk is axially limited and fixed in the mounting hole through a locking cap 17, and the rotating disk can freely rotate relative to the mounting hole; the sliding gasket is used to ensure free rotation between the rotary platform 15 and the partition 14; the clutch device 20 is used for controlling whether transmission is realized between the motor shaft and the second gear 19, and the self-locking assembly is used for controlling whether the rotating disc can rotate.

The clutch device 20 comprises a first electromagnet 22 and a magnet core 23, the first electromagnet 22 is arranged on the lower surface of the partition plate 14 and is opposite to the end part of the transmission rod 21, a sliding hole 24 is further formed in the transmission rod 21, the magnet core 23 is arranged in the sliding hole 24, a plurality of through holes radially penetrating through the sliding hole 24 are further formed in the transmission rod 21, balls 25 are arranged in the through holes, a ring groove 26 matched with the balls 25 is further formed in the magnet core 23, a plurality of inner grooves 27 communicated with the through holes are further formed in the inner wall of the sliding hole 24, and a plurality of limiting grooves 28 matched with the balls 25 are formed in the second gear 19; when the first electromagnet 22 is electrified, the first electromagnet 22 generates magnetic force to attract the magnetic core 23 upwards, and at the moment, the magnetic core 23 pushes the ball 25 to move out of the through hole and be clamped with the limiting groove 28 on the inner part of the second gear 19, so that the transmission rod 21 drives the second gear 19 to rotate; when the first electromagnet 22 is powered off, the magnetic force of the first electromagnet 22 disappears, the magnetic core 23 moves downwards and resets, and the ball 25 slides into the transmission rod 21 along the inner groove 27, so that the transmission rod 21 is separated from the second gear 19.

An elastic member, such as a spring, may be disposed between the first electromagnet 22 and the magnetic core 23 to facilitate downward return of the magnetic core 23; the lower groove wall of the ring groove 26 is an inclined surface, when the first electromagnet 22 is powered on, the magnet core 23 moves upwards, and under the action of the inclined surface, the ball 25 can move outwards in the radial direction through the through hole and is clamped with the limiting groove 28, so that the transmission rod 21 drives the second gear 19 to rotate; in the power-off state, the balls 25 fall into the inner groove 27, and the transmission rod 21 and the second gear 19 only rotate relatively; through the arrangement of the clutch device 20, the clamping mechanism and the rotating mechanism are driven by the same driving motor 7, the structure is simplified, and more energy can be saved; in addition, the transmission rod 21 and the second gear 19 are made of non-magnetic materials such as plastics or ceramics.

The self-locking assembly comprises a second electromagnet 29, a return spring 30 and a magnetic lock head 31 which are sequentially arranged, an annular groove is formed in the rotating shaft 16, annular teeth are arranged on the annular groove, teeth matched with the annular teeth are arranged on the magnetic lock head 31, when the second electromagnet 29 is powered on, the second electromagnet 29 generates attraction force on the magnetic lock head 31, the teeth on the magnetic lock head 31 are separated from the annular teeth, and when the second electromagnet 29 is powered off, the magnetic lock head 31 is abutted against the annular teeth under the action of the return spring 30 to play a locking role; in the feeding stage, the clamping stage and the discharging stage of the hanging rack 3, in order to avoid the rotation of the rotating mechanism, a self-locking assembly is arranged.

The box cover opening and closing device comprises a cover plate 108, a sliding plate 109 arranged inside the cover plate 108 and an electric cylinder 110 arranged outside the cover plate 108 and used for driving the sliding plate 109 to translate, wherein a placing hole is formed in the cover plate 108, and the electric cylinder 110 is used for driving the sliding plate 109 to open or close the placing hole;

the inside spout 13 that can set up of apron 108, slide 109 install in spout 13 to carry out translation control by outside electronic jar 110, realize placing opening or closed of hole, during closed state, the thermal cycle is effectual, and drying effect is good, can improve drying rate.

The dust removing assembly 106 comprises a filter frame, filter screens arranged at two ends of the filter frame and filter cotton arranged between the filter screens;

when outside air enters the air supply circulating system, the filtering effect is achieved through the filter screen and the filter cotton, and the piston is prevented from being polluted by external impurities.

The dehumidifying component 107 comprises a shell 111, a front fixed frame 112 arranged in the shell 111, a rear sliding frame 113 arranged in the shell 111, and a water absorbing sponge 114 arranged between the front fixed frame 112 and the rear sliding frame 113, wherein the bottom of the shell 111 is also provided with a water outlet hole 115;

in the hot air circulation process, water vapor can pass through the water absorption sponge 114 along with hot air circulation to absorb the water vapor in the air, so that the dehumidification effect is achieved, and the dryness in the hot air circulation process is ensured.

The rear sliding frame 113 is also provided with a driving rod 116, the driving rod 116 is connected with a cylinder rod of the electric cylinder 110, when the cylinder rod of the electric cylinder 110 drives the sliding plate 109 to slide to the placing hole, the rear sliding frame 113 is driven to move backwards at the same time, and the water absorption sponge 114 expands; when the cylinder rod of the electric cylinder 110 drives the sliding plate 109 to be far away from the placing hole, the rear sliding frame 113 is driven to move forwards at the same time, and the water absorption sponge 114 is compressed;

dehumidification subassembly 107 and case lid open and shut the device and are controlled by same electronic jar 110 jointly, and the structure is simplified, and can guarantee the control accuracy, and when the case lid opened promptly, the sponge 114 that absorbs water was compressed, and the absorbent steam in the sponge 114 that absorbs water flows out by apopore 115, and when the case lid was closed, the sponge 114 that absorbs water self-expansion reached the effect of adsorbing again.

The hanger 3 comprises a plurality of annular supports 41, the hooks are equidistantly mounted on the upper surfaces of the annular supports 41, the hooks are axially and upwardly arranged, the hooks are provided with wear-resistant blocks, the wear-resistant blocks can be clamped on the hooks, the pistons are sleeved on the wear-resistant blocks, the wear-resistant blocks can be made of wear-resistant materials such as plastic king and nylon 66, the surface lubricity is good, and the pistons can conveniently rotate relative to the wear-resistant blocks in the radial clamping process; the bottom of the hanging rack 3 is provided with a plurality of universal wheels, if the hanging rack 3 and the barrel 5 are not coaxially arranged, the clamping ring net 11 can push the hanging rack 3 to radially move, so that the hanging rack 3 and the barrel 5 are coaxial, and the clamping ring net 11 is convenient to uniformly abut against a piston on the hanging rack 3; be equipped with a plurality of limiting plates on rotary platform 15, the limiting plate sets up along rotary platform 15 circumference equidistance, and the limiting plate can be platelike, and when the rotary disk rotated, the limiting plate drove stores pylon 3 and is the rotation in a circumferential direction.

A control method for a drying device of a piston production line is characterized in that: the device also comprises a control system, wherein the control system comprises a PLC control unit and a rotating speed sensor for detecting the rotating state of the transmission shaft 6, and the running states of the driving motor 7, the first electromagnet 22, the second electromagnet 29, the heating box 104 and the electric cylinder 110 are controlled by the PLC control unit;

the control method comprises the following specific steps:

s1, the control system is in a starting state, the PLC control unit controls the electric cylinder 110 to drive the sliding plate 109 to slide, the placing hole is in an opening state, and then the hanging rack 3 is placed on the rotating platform 15 and then the step S2 is carried out;

s2, the PLC control unit controls the electric cylinder 110 to drive the sliding plate 109 to slide, the placing hole is in a closed state, the heating box 104 is controlled to start, the driving motor 7 is controlled to rotate forwards, after the motor shaft rotates forwards continuously for A seconds, the rotating speed sensor starts to detect the rotating state of the transmission shaft 6, and when the rotating state is detected to be static, the step S3 is carried out;

the rotating speed sensor detects the driving motor 7 after rotating forwards for A seconds, so that misjudgment caused by the static state of the transmission shaft 6 during starting is avoided, the numerical value of A can be 2-5, and the value can be adjusted according to actual requirements and is not limited to the range;

s3, the second electromagnet 29 is electrified, after C seconds of delay, the first electromagnet 22 is electrified, the driving motor 7 drives the rotating disc to rotate, and after the first electromagnet 22 is electrified for D seconds, the step S4 is executed;

the second electromagnet 29 is electrified to enable the rotating disc to rotate freely, then the first electromagnet 22 is electrified to enable the driving motor 7 to drive the rotating disc to rotate, the numerical value of C can be 2-5, the numerical value of D can be 30-300, the main time of water throwing and drying of the piston in the drying box 2 is determined by the numerical value of D, and C and D can be adjusted according to actual requirements and are not limited to the range;

s4, powering off the first electromagnet 22, delaying G seconds, powering off the second electromagnet 29, controlling the motor to rotate reversely by the PLC control unit, and after the motor shaft rotates reversely for E seconds continuously, starting to detect the rotation state of the transmission shaft 6 by the rotation speed sensor, and then entering the step S5;

the rotating speed sensor detects the driving motor 7 after rotating reversely for E seconds, so that misjudgment caused by the static state of the transmission shaft 6 when the driving motor is started reversely is avoided, the numerical value of G can be 1-3, the numerical value of E can be 2-5, and the rotating speed sensor can be adjusted according to actual requirements and is not limited to the range;

s5, stopping the motor, controlling the electric cylinder 110 to drive the sliding plate 109 to slide by the PLC control unit, enabling the placing hole to be in an open state, and entering the step S6;

s6, taking the hanging rack 3 out of the drying box 2, and then returning to the step S1;

through the control, the running states of the driving motor 7, the first electromagnet 22, the second electromagnet 29, the heating box 104 and the electric cylinder 110 are controlled, the time is controlled, automatic drying is realized, the drying time is effectively controlled, the automation degree is high, and the energy consumption is saved more.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. The utility model provides a drying device for piston production line, includes outer frame (1), arranges drying cabinet (2) and stores pylon (3) in outer frame (1), its characterized in that: the drying cabinet is characterized in that a clamping and rotating mechanism used for driving the hanging rack (3) to rotate is arranged in the drying cabinet (2), a cabinet cover opening and closing device is arranged at the top of the drying cabinet (2), and an air supply circulating system is further connected to the drying cabinet (2).

2. A drying apparatus for a piston production line according to claim 1, wherein: still be equipped with baffle (14) in drying cabinet (2), centre gripping rotary mechanism includes barrel (5), rotating assembly, centre gripping subassembly (4) and drive assembly, barrel (5) pass baffle (14) and are fixed in drying cabinet (2) bottom, rotating assembly cover is located barrel (5) outside and is installed on baffle (14), centre gripping subassembly (4) are installed on barrel (5), drive assembly is used for radially stretching or the shrink of drive centre gripping subassembly (4), drive assembly still is used for driving rotating assembly's rotation, centre gripping subassembly (4) are inconsistent with the piston on stores pylon (3) when radially stretching, centre gripping subassembly (4) are with the piston phase separation on stores pylon (3) when radially shrinking, stores pylon (3) cover is located the outside of barrel (5) and is placed on rotating assembly, air supply circulation system includes air inlet channel (101), hot-air outlet channel (102), Heated air circulation runner (103), heating cabinet (104) and impeller (105), air inlet channel (101) are used for the intercommunication between heating cabinet (104) inlet end and the external atmosphere, hot-blast runner (102) of giving vent to anger is used for the intercommunication between heating cabinet (104) end of giving vent to anger and barrel (5) bottom, heated air circulation runner (103) are used for the intercommunication between drying cabinet (2) and heating cabinet (104) inlet end, be equipped with a plurality of ventholes on barrel (5), install in barrel (5) impeller (105), be equipped with dust removal subassembly (106) in air inlet channel (101), be equipped with in the heated air circulation runner and dehumidify subassembly (107).

3. A drying apparatus for a piston production line according to claim 1, wherein: the clamping components (4) comprise an upper group and a lower group, the two groups of clamping components (4) respectively comprise a main gear (8), an auxiliary gear (9), a plurality of racks (10) and a plurality of clamping ring nets (11), the main gear (8) is installed on the transmission shaft (6), the inner side of the barrel body (5) is further provided with mounting plates (12) which are respectively used for fixing the two groups of clamping components (4), through holes for the transmission shaft (6) to pass through are formed in the mounting plates (12), the transmission shaft (6) is axially and limitedly fixed on the mounting plates (12), the auxiliary gear (9) is installed on the mounting plates (12), the auxiliary gear (9) is arranged along the main gear (8) in an equal circumferential distance, the auxiliary gear (9) is meshed with the main gear (8), a plurality of positioning blocks which are circumferentially arranged along the main gear (8) are further arranged on the mounting plates (12), and sliding chutes (, the toothed side of the rack (10) faces the pinion (9) and is meshed with the pinion (9), and the outer end of the rack (10) is fixedly connected with a clamping ring network (11);

the driving assembly comprises a transmission shaft (6) and a driving motor (7) used for driving the transmission shaft (6) to rotate, the driving motor (7) is installed at the bottom of the drying box (2), the driving motor (7) comprises a motor shaft, a shaft coupling is arranged between the motor shaft and the transmission shaft (6), the shaft coupling comprises a movable sleeve (32), a fixed rod (33) and a connecting shaft (34) which are sequentially arranged from top to bottom, the bottom end of the transmission shaft (6) is installed in one end of the movable sleeve (32), the fixed rod (33) is installed in the other end of the movable sleeve (32), the fixed rod (33) is fixedly connected with the connecting shaft (34), a plurality of key teeth are arranged in the movable sleeve (32), a plurality of key grooves matched with the key teeth are arranged on the transmission shaft (6), an end face cam (36) is also arranged on the bottom end of the movable sleeve (32), a convex block (37) which is axially, still be equipped with on the top of dead lever (33) and be located fender ring (38) of movable sleeve (32), still the cover is equipped with on dead lever (33) and is located the pressure cap (39) of being connected with movable sleeve (32), still the cover is equipped with on dead lever (33) and is located fender ring (38) and presses reset spring (40) between cap (39), barrel (5) bottom and drying cabinet (2) bottom and axial spacing setting in barrel (5) are passed in proper order to connecting axle (34) bottom, be connected through the gear train between the motor shaft of driving motor (7) and connecting axle (34), install on connecting axle (34) impeller (105).

4. A drying apparatus for a piston production line according to claim 1, wherein: be equipped with the mounting hole that supplies barrel (5) to pass on baffle (14), baffle (14) bottom forms the isolation chamber, the rotary disk includes rotary platform (15) and rotation axis (16) of an organic whole structure, barrel (5) outside is located to rotation axis (16) cover, and install in the mounting hole, rotary platform (15) are located baffle (14) upper surface, and be equipped with the slip gasket between rotary platform (15) and baffle (14), still be equipped with lock cap (17) and first gear (18) of arranging baffle (14) lower surface in on rotation axis (16), be connected with transfer line (21) on the motor shaft, still be equipped with second gear (19) with first gear (18) meshing on transfer line (21), still be equipped with clutch (20) between motor shaft and second gear (19), be equipped with the auto-lock subassembly that is used for restricting rotary disk rotation state in the mounting hole.

5. A drying apparatus for a piston production line according to claim 1, wherein: the clutch device (20) comprises a first electromagnet (22) and a magnetic core (23), the first electromagnet (22) is installed on the lower surface of the partition plate (14) and is opposite to the end part of the transmission rod (21), a sliding hole (24) is further formed in the transmission rod (21), the magnetic core (23) is installed in the sliding hole (24), a plurality of through holes radially penetrating through the sliding hole (24) are further formed in the transmission rod (21), balls (25) are arranged in the through holes, a ring groove (26) matched with the balls (25) is further formed in the magnetic core (23), a plurality of inner grooves (27) communicated with the through holes are further formed in the inner wall of the sliding hole (24), and a plurality of limiting grooves (28) matched with the balls (25) are formed in the second gear (19); when the first electromagnet (22) is electrified, the first electromagnet (22) generates magnetic force to attract the magnetic core (23) upwards, and at the moment, the magnetic core (23) pushes the ball (25) to move out of the through hole and be clamped with the limiting groove (28) on the inner part of the second gear (19), so that the transmission rod (21) drives the second gear (19) to rotate; when the first electromagnet (22) is powered off, the magnetic force of the first electromagnet (22) disappears, the magnetic core (23) moves downwards to reset, and the ball (25) slides into the transmission rod (21) along the inner groove (27) to realize the separation between the transmission rod (21) and the second gear (19).

6. A drying apparatus for a piston production line according to claim 1, wherein: the self-locking assembly comprises a second electromagnet (29), a return spring (30) and a magnetic lock head (31) which are sequentially arranged, an annular groove is formed in the rotating shaft (16), annular teeth are formed in the annular groove, teeth matched with the annular teeth are formed in the magnetic lock head (31), when the second electromagnet (29) is powered on, the second electromagnet (29) generates attraction force on the magnetic lock head (31), the teeth and the annular teeth on the magnetic lock head (31) are separated, when the second electromagnet (29) is powered off, the magnetic lock head (31) is abutted against the annular teeth under the action force of the return spring (30), and the locking effect is achieved.

7. A drying apparatus for a piston production line according to claim 1, wherein: the box cover opening and closing device comprises a cover plate (108), a sliding plate (109) arranged in the cover plate (108) and an electric cylinder (110) which is arranged on the outer side of the cover plate (108) and used for driving the sliding plate (109) to translate, a placing hole is formed in the cover plate (108), and the electric cylinder (110) is used for driving the sliding plate (109) to open or close the placing hole; the dust removal component (106) comprises a filter frame, filter screens arranged at two ends of the filter frame and filter cotton arranged between the filter screens;

the dehumidifying component (107) comprises a shell (111), a front fixed frame (112) arranged in the shell (111), a rear sliding frame (113) arranged in the shell (111), and a water absorbing sponge (114) arranged between the front fixed frame (112) and the rear sliding frame (113), wherein the bottom of the shell (111) is also provided with a water outlet hole (115);

the rear sliding frame (113) is also provided with a driving rod (116), the driving rod (116) is connected with a cylinder rod of the electric cylinder (110), when the cylinder rod of the electric cylinder (110) drives the sliding plate (109) to slide to the placing hole, the rear sliding frame (113) is driven to move backwards at the same time, and the water absorption sponge (114) expands; when the cylinder rod of the electric cylinder (110) drives the sliding plate (109) to be far away from the placing hole, the rear sliding frame (113) is driven to move forwards at the same time, and the water absorption sponge (114) is compressed.

8. A drying apparatus for a piston production line according to claim 1, wherein: stores pylon (3) include a plurality of ring carrier (41), and the couple equidistance is installed on the upper surface of ring carrier (41), is equipped with wear-resisting piece on the couple, and on the wear-resisting piece was located to the piston bush, stores pylon (3) bottom was equipped with a plurality of universal wheels, is equipped with a plurality of limiting plates on rotary platform (15), and the limiting plate sets up along rotary platform (15) circumference equidistance.

9. A control method applied to a drying apparatus for a piston manufacturing line according to any one of claims 1 to 8, characterized in that: the device is characterized by further comprising a control system, wherein the control system comprises a PLC control unit and a rotating speed sensor for detecting the rotating state of the transmission shaft (6), and the running states of the driving motor (7), the first electromagnet (22), the second electromagnet (29), the heating box (104) and the electric cylinder (110) are controlled by the PLC control unit;

the control method comprises the following specific steps:

s1, the control system is in a starting state, the PLC control unit controls the electric cylinder (110) to drive the sliding plate (109) to slide, the placing hole is in an opening state, and then the hanging rack (3) is placed on the rotating platform (15) and then the step S2 is carried out;

s2, the PLC control unit controls the electric cylinder (110) to drive the sliding plate (109) to slide, the placing hole is in a closed state, the heating box (104) is controlled to be started, the driving motor (7) is controlled to rotate forwards, after the motor shaft rotates forwards continuously for A seconds, the rotating speed sensor starts to detect the rotating state of the transmission shaft (6), and when the rotating state is detected to be static, the step S3 is carried out;

s3, the second electromagnet (29) is electrified, after C seconds, the first electromagnet (22) is electrified, the driving motor (7) drives the rotating disc to rotate, and after the first electromagnet (22) is electrified for D seconds, the step S4 is carried out;

s4, powering off the first electromagnet (22), delaying G seconds, powering off the second electromagnet (29), controlling the motor to rotate reversely by the PLC control unit, and after the motor shaft rotates reversely for E seconds continuously, starting to detect the rotation state of the transmission shaft (6) by the rotation speed sensor, and then entering the step S5;

s5, stopping the motor, controlling the electric cylinder (110) to drive the sliding plate (109) to slide by the PLC control unit, enabling the placing hole to be in an open state, and entering the step S6;

s6, taking the hanging rack (3) out of the drying box (2), and then returning to the step S1.