CN112576627B - Clamping device for corn dryer - Google Patents
Clamping device for corn dryer Download PDFInfo
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- CN112576627B CN112576627B CN202011367349.0A CN202011367349A CN112576627B CN 112576627 B CN112576627 B CN 112576627B CN 202011367349 A CN202011367349 A CN 202011367349A CN 112576627 B CN112576627 B CN 112576627B
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- Prior art keywords
- clamping
- main shaft
- headstock
- clamping device
- bolt
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- 240000008042 Zea mays Species 0.000 title claims abstract description 45
- 235000002017 Zea mays subsp mays Nutrition 0.000 title claims abstract description 45
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 title claims abstract description 39
- 235000005822 corn Nutrition 0.000 title claims abstract description 39
- 230000007246 mechanism Effects 0.000 claims abstract description 47
- 238000007789 sealing Methods 0.000 claims description 12
- 230000008901 benefit Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 230000007774 longterm Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 2
- 235000016383 Zea mays subsp huehuetenangensis Nutrition 0.000 description 6
- 235000009973 maize Nutrition 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000000306 component Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 208000003643 Callosities Diseases 0.000 description 1
- 206010020649 Hyperkeratosis Diseases 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/08—Rigid support of bearing units; Housings, e.g. caps, covers for spindles
- F16C35/10—Rigid support of bearing units; Housings, e.g. caps, covers for spindles with sliding-contact bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a clamping device for a corn dryer, which comprises a spindle box, an operating mechanism and a clamping mechanism, wherein the spindle box is provided with a clamping mechanism; the main shaft box is used for installing the main shaft on the corn dryer, and the main shaft box is installed on the corn dryer through the clamping mechanism and four fixing bolts; the operating mechanism is arranged on the base of the main shaft box and used for controlling the clamping mechanism and fastening the main shaft which is vibrated or displaced. The clamping device disclosed by the invention has the advantages of simple and reasonable structural design, convenience in installation, convenience in field operation, firm and stable connection, good fastening effect and high safety coefficient, and can be used for effectively preventing the main shaft from vibrating or displacing greatly and ensuring long-term stable operation of the corn dryer.
Description
Technical Field
The invention belongs to the technical field of mechanical equipment, and particularly relates to a clamping device for a corn dryer.
Background
The dryer is an ideal device of common stoving cereal, and the maize dryer is used for drying high moisture's maize, has stoving effectual, throughput big, stoving fast, advantage such as the energy consumption is low, and maize moisture after the stoving is low moreover, the color and luster is excellent, the breakage rate is low, compromise simultaneously good taste and the abundant nutrition of maize, after the maize long-time storage, also can effectively guarantee maize quality, effectively solve the problem of remoistening and mildewing. The main shaft is one of the core components of the mechanical equipment, is a main transmission component of the corn dryer, provides operation power for the corn dryer, and has a vital effect on the corn dryer due to stable and continuous operation of the main shaft. The clamping device is an important component part in mechanical equipment, and the device for preventing the mechanical parts from displacement or vibration in the operation process has the advantages of simple structure, convenient operation, low manufacturing cost and the like, the position of the mechanical parts cannot be changed in the clamping operation process, the mechanical parts cannot be deformed or damaged on the surface of the equipment, the clamping state can be maintained for a long time, and the loosening is not easy to occur.
After the corns are ripe in autumn, moisture of corn particles needs to be dried in time, and after a corn dryer is started and operated, a large amount of corn particles need to be dried through continuous operation. In the prior art, the main shaft of the corn dryer is generally directly installed on the corn dryer by using bolts, the main shaft needs to be rotated for a long time in the operation process of the corn dryer, the fixed bolts can hardly avoid the phenomenon of loose connection, so that the main shaft vibrates or displaces, on one hand, the abrasion of the main shaft and equipment is increased, other mechanical parts matched with the main shaft can be damaged difficultly, if the equipment parts are stopped and maintained, the drying efficiency is reduced, and on the other hand, the loose main shaft can also generate great potential safety hazards. Moreover, even if the field staff observe the phenomenon that the main shaft vibrates or displaces, the field staff does not have special tools, and needs to contact equipment maintenance staff or take tools, so that the connecting bolts cannot be fastened immediately, and potential safety hazards are eliminated.
Disclosure of Invention
In view of the above, the present invention discloses a clamping device for a corn dryer, the clamping device comprising a headstock, an operating mechanism and a clamping mechanism;
the main shaft box is used for installing the main shaft on the corn dryer, and the main shaft box is installed on the corn dryer through the clamping mechanism and four fixing bolts;
the operating mechanism is arranged on the base of the main shaft box and used for controlling the clamping mechanism and fastening the main shaft which is vibrated or displaced.
Further, the main shaft box comprises a main shaft box base, a sealing cover, a shell, a sleeve part and pulleys;
The sealing cover is arranged on the top opening of the shell; the sleeve part is arranged in the inner cavity of the shell; the pulley is arranged in an inner hole of the sleeve part; the main shaft is arranged in the pulley.
Further, the operating mechanism comprises a through hole, a clamping lever, a connecting rod, a clamping lever and a fulcrum bolt;
The through hole is arranged on a circular boss of the main shaft box base; the fulcrum bolt is arranged in the through hole; the clamping lever is arranged on the base of the main shaft box through a fulcrum bolt; the clamping lever is connected with the clamping mechanism through a connecting rod and a clamping rod;
the operating mechanism drives the connecting rod to move by rotating the clamping lever clockwise, and the connecting rod drives the clamping rod to rotate clockwise, so that the clamping rod controls the clamping mechanism and is used for fastening the main shaft which is vibrated or displaced.
Still further, the clamping rod is provided with a threaded hole at one end.
Still further, the clamping mechanism includes a clamping bolt, a guide rail band, a nut, a lock nut, a feed screw, and a tapered wedge;
The upper end of the clamping bolt sequentially passes through the guide rail band, the main shaft box base and the clamping rod threaded hole of the operating mechanism to be in threaded connection, and the lower end of the clamping bolt is sequentially provided with a nut and a locking nut; the feed screw is arranged in the groove of the main shaft box mounting platform; the conical wedge is arranged between the spindle box base and the spindle box mounting platform.
Furthermore, the clamping mechanisms are provided with two groups which are respectively arranged at two sides of the main shaft and are bilaterally symmetrical.
Further, the headstock base is clamped in the headstock mounting platform groove by a tapered wedge.
The clamping device for the corn dryer can effectively solve the problem that a fixing bolt of a main shaft box is loose in connection, prevent the main shaft from vibrating or displacing, and enable the main shaft to be tightly fixed on the corn dryer. And after observing that the main shaft vibrates or displaces, the field staff can directly rotate the clamping lever to fasten the main shaft, and does not need professional equipment maintenance staff to fasten the main shaft by using tools, so that the main shaft is prevented from vibrating or displacing greatly, and equipment damage is avoided.
Compared with the prior art, the invention has the beneficial effects that: the clamping device is simple and reasonable in structural design, convenient to install, convenient to operate on site, firm in connection is stable, good in fastening effect and high in safety coefficient, the main shaft is effectively prevented from vibrating or displacing greatly, and long-term stable operation of the corn dryer is guaranteed.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 shows a cross-sectional view of a clamping device according to an embodiment of the invention;
FIG. 2 shows a B-B cross-sectional view of a clamping device according to an embodiment of the invention;
Fig. 3 shows a C-C cross-sectional view of a clamping device according to an embodiment of the invention.
In the figure: 1. a main shaft; 2. a spindle box; 3. a headstock base; 4. sealing cover; 5. a housing; 6. a sleeve portion; 7. a pulley; 8. a through hole; 9. a clamping lever; 10. a connecting rod; 11. a clamping rod; 12. a fulcrum bolt; 13. clamping a bolt; 14. a guide rail panel; 15. a nut; 16. a lock nut; 17. feeding a screw; 18. a conical wedge; 19. a spindle box mounting platform; 20. and a rotating member.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1, a clamping device for a corn dryer according to the present embodiment includes a headstock 2, an operating mechanism, and a clamping mechanism;
The corn dryer in this embodiment is provided with a headstock mounting platform 19, the first surface of the headstock mounting platform 19 is provided with a groove, the second surface is provided with two longitudinal support plates, and a certain distance is provided between the two longitudinal support plates and the edges of the two sides, and the distance is determined according to actual requirements, and the two support plates are perpendicular to the second surface of the headstock mounting platform 19.
The headstock 2 includes a headstock base 3, a seal cover 4, a housing 5, a sleeve portion 6, and a pulley 7, and the headstock 2 is mounted on a headstock mounting platform 19 by bolts. As shown in fig. 1-3, the spindle box base 3, the casing 5 and the sleeve portion 6 are integrally formed, spindle holes are formed in two sides of the casing 5, a rectangular opening is formed in the front side, an opening is formed in the top, and rectangular inner cavities are formed in two sides of the spindle 1 respectively. The main shaft 1 penetrates through the main shaft hole, the main shaft 1 is arranged in the pulley 7, the pulley 7 is arranged in the inner hole of the sleeve part 6 and used for supporting the main shaft 1, friction is reduced, and the main shaft box 2 is used for fixing the position of the main shaft 1. Symmetrical threaded holes are formed in the two axial sides of the top opening of the shell 5, a sealing cover 4 is arranged on the top opening, and the sealing cover 4 is in threaded connection with the threaded holes in the two axial sides of the top opening through bolts. The rectangular inner cavities at two sides are provided with clamping mechanisms. As shown in fig. 1 and 3, the top opening of the casing 5 is communicated with the sleeve portion 6, and an annular inner cavity between the upper end of the sleeve portion 6 and the sealing cover 4 is used for checking the running state of the spindle 1 by a worker, and meanwhile, the spindle 1 can be checked, maintained or replaced by the top opening, and the sealing of the top opening can be realized by the sealing cover 4.
In other design forms, the support plates can be arranged between the axial two-side shell 5 and the lower surface of the sleeve part 6 and are arranged in the inner cavity of the spindle box 2, so that the structural strength between the spindle box shell 5 and the sleeve part 6 is effectively enhanced, and the service life of the spindle box 2 is prolonged.
As shown in fig. 1, the cross-section profile of the A-A of the spindle box 2 is a lower rectangle, a middle trapezoid and an upper semicircle, a sleeve part 6 is arranged in the middle and the upper part of the inner cavity of the spindle box 2, a pulley 7 is arranged in the sleeve part 6, a spindle 1 is arranged in the pulley 7, the cross-section profile of the sealing cover 4A-A is a semicircle, and an annular inner cavity is arranged between the sleeve part 6 and the sealing cover 4. As shown in fig. 1 and 2, the spindle box base 3 is rectangular, the lower end of the inner cavity of the spindle box 2 is a round corner rectangle, and rectangular inner cavities for installing the clamping bolts 13 and the clamping rods 11 are reserved on two sides of the spindle 1. The main shaft box base 3 is equipped with four screw holes, two big through-holes, a through-hole 8 and circular boss, and four screw holes set up in main shaft box base 3 four corners department, and two big through-holes set up in main shaft box base 3 both sides, and are located two screw hole line centers department of homonymy, and circular boss sets up in main shaft box base 3 first surface center department, and through-hole 8 sets up in circular boss center department. The second surface both sides of headstock base 3 are equipped with the cuboid that protrudes downwards respectively, and cuboid thickness is the same with headstock mounting platform 19 thickness, and the distance between two cuboids is unanimous with headstock mounting platform 19 width.
In this embodiment, the spindle box 2 is mounted on the corn dryer through four fixing bolts and a clamping mechanism. The headstock 2 is placed on the headstock mounting platform 19, places the guide rail panel 14 in headstock mounting platform 19 and headstock base 3 both sides cuboid lower surface, and four fixing bolts pass spring washer, guide rail panel 14 in proper order and headstock base 3 threaded hole connection, distribute in headstock base 3 four corners department, and bilateral symmetry in the axial direction. The clamping bolts 13 of the clamping mechanism are positioned at two sides of the main shaft 1 and are bilaterally symmetrical, and after the clamping bolts 13 and the four fixing bolts are fastened, the main shaft box 2 and the main shaft box mounting platform 19 are locked through the guide rail inlaid strip 14, and at the moment, the main shaft 1 is mounted on the corn dryer. Simultaneously, two clamping modes are used, so that firm and stable connection between the main shaft 1 and the corn dryer can be realized, and the problem that the main shaft 1 vibrates or displaces is effectively solved. The guide rail band 14 is a cuboid, has the same length as the spindle box base 3, has the same width as the length from the longitudinal support plate to the edge of the spindle box base 3, and has a thickness according to practical conditions, through holes are formed at two ends and correspond to the threaded holes of the spindle box base 3, and a through hole is formed in the middle and corresponds to the two large through holes of the spindle box base 3.
In other design modes, the spring washer is a common anti-loose device, can also be a single-lug anti-return washer, and the four fixing bolts can also be changed into modes that four corners of the main shaft box base 3 are provided with through holes, and two ends are provided with double nuts or nuts and locking nuts.
The operating mechanism is rotatably mounted on the headstock base 3 through a fulcrum bolt 12, and the clamping mechanism is controlled by rotating the clamping lever 9 clockwise to tighten the clamping bolt 13 and lock the headstock 2, thereby fixing the vibrating or displaced spindle 1. In other design modes, the operating mechanism and the clamping mechanism can be provided with two groups, three groups or four groups and the like according to specific practical conditions, the operating mechanisms and the clamping mechanism are arranged at equal intervals, and clamping bolts at two axial sides are mutually symmetrical, so that the best fastening effect is achieved, and the possibility of vibration or displacement of the main shaft 1 is reduced to the greatest extent.
The clamping device for the corn dryer can effectively solve the problem that the fixing bolt of the main shaft box 2 is loose in connection, prevent the main shaft 1 from vibrating or displacing, and enable the main shaft 1 to be tightly fixed on the corn dryer. And after observing that the main shaft 1 vibrates or displaces, the field staff can directly rotate the clamping lever 9 to fasten the main shaft box 2 and fix the main shaft 1, and professional equipment maintenance staff is not required to fasten the main shaft 1 by using tools, so that the main shaft 1 is prevented from vibrating or displacing greatly, and equipment damage is avoided.
The clamping device is simple and reasonable in structural design, convenient to install, convenient to operate on site, firm in connection is stable, good in fastening effect and high in safety coefficient, the main shaft is effectively prevented from vibrating or displacing greatly, and long-term stable operation of the corn dryer is guaranteed.
The operating mechanism in this embodiment includes a through hole 8, a clamp lever 9, a link 10, a clamp lever 11, and a fulcrum bolt 12;
The circular boss of the main shaft box base 3 is provided with a through hole 8, and the lower end of a fulcrum bolt 12 is installed in the through hole 8 through threaded connection. The clamping lever 9 is a curved bar, one end is an upwardly bent manual operation end, the surface is provided with a plastic sleeve, nylon, polyethylene, polypropylene and other materials are generally selected, the other end is downwardly bent, the clamping lever passes through a rectangular opening (shown in fig. 3) on the front side of the shell 5 and is rotationally connected with the rotating piece 20 at the upper end of the fulcrum bolt 12, two ends of the rotating piece 20 are provided with through holes, the two ends of the rotating piece 20 are rotationally connected with the first ends of the two connecting rods 10 through bolts, the second ends of the two connecting rods 10 are rotationally connected with the first ends of the two clamping rods 11 through bolts, and the second ends of the two clamping rods 11 are in threaded connection with the clamping bolts 13. When the clamping lever 9 is manually rotated clockwise, the rotating member 20 is driven to rotate clockwise, the rotating member 20 drives the two connecting rods 10 to move, the two connecting rods 10 respectively drive the two clamping rods 11 to rotate clockwise, and the two clamping rods 11 respectively fasten the two clamping bolts 13. In this embodiment, the second end of the clamping rod 11 is provided with a threaded hole and is in threaded connection with the clamping bolt 13, and in another design manner, the second end of the clamping rod 11 may also be provided with a nut and is in threaded connection with the clamping bolt 13, so that the two clamping bolts 13 can be fastened by manually rotating the clamping lever 9 clockwise.
As shown in fig. 2, the spindle 1 is first mounted on the corn dryer using the clamping device, the clamping lever 9 being in the rightmost position at this time. In the use process of the corn dryer, when workers observe the phenomenon that the main shaft 1 vibrates or displaces, the clamping lever 9 can be directly rotated clockwise to fasten a loose bolt, and the main shaft 1 which vibrates or displaces is fixed. In the long-term operation process of the corn dryer, the clamping lever 9 is rotated for many times to fasten the main shaft 1, when the main shaft is rotated to the leftmost position, the maximum limit of the adjustable clamping device is reached, if the main shaft 1 still has vibration or displacement in the subsequent operation process, the main shaft 1 needs to be reinstalled after the clamping mechanism parts and the four fixing bolts are replaced.
In the present embodiment, the operating mechanism adopts a manual clockwise rotation mode to fasten the clamping lever 9, and in other design modes of the operating mechanism, the manual operation can be changed into an automatic operation mode such as a motor, a hydraulic cylinder or an air cylinder. The motor is installed on the headstock base 3 through three fixing bolts, be located headstock 2 inner chamber lower right corner (refer to fig. 2), cancel clamping lever 9, be equipped with the keyway on the motor main shaft, the minor diameter gear is equipped with matched key installation position and through-hole, the minor diameter gear overlaps on the motor main shaft through the through-hole, the key is installed in minor diameter gear and keyway, rotor 20 upper surface is equipped with the major diameter gear, adopt the connection modes such as welding or pin connection, the motor is connected with major diameter gear meshing through the minor diameter gear, drive the gear wheel clockwise rotation, drive rotor 20 clockwise rotation, rotor 20 drives two connecting rods 10 and removes, two connecting rods 10 drive two clamping rods 11 clockwise rotation, two clamping rods 11 fasten two clamping bolts 13 respectively. The clamping lever 9 can be driven by a hydraulic cylinder or an air cylinder instead of manual rotation, the clamping lever 9 is changed into a straight rod from a bent rod, the length of the clamping lever is shortened, the hydraulic cylinder or the air cylinder is arranged on the spindle box mounting platform 19 through bolts and on the right side of the spindle box 2, the radial direction of a piston rod is consistent with the direction of the spindle 1, the piston rod penetrates through the right side shell 5 and is rotationally connected with the clamping lever 9 through bolts, when the hydraulic cylinder or the air cylinder is started, the piston rod is driven to move leftwards to drive the clamping lever 9 to rotate clockwise, the clamping lever 9 drives the two connecting rods 10 to move, the two connecting rods 10 drive the two clamping rods 11 to rotate clockwise, and the two clamping rods 11 respectively fasten the two clamping bolts 13.
The clamping mechanism in this embodiment comprises a clamping bolt 13, a guide rail band 14, a nut 15, a lock nut 16, a feed screw 17 and a conical wedge 18;
As shown in fig. 1 to 3, the clamping mechanism includes two sets of clamping bolts 13, a guide rail band 14, a nut 15 and a lock nut 16, which are respectively disposed at the centers of the connecting lines of the two fixing bolts on both sides of the headstock 2 and on the same side. The upper end of the clamping bolt 13 sequentially passes through the guide rail band 14, the spindle box base 3, the spring washer and the threaded hole of the clamping rod 11 in a threaded manner, the lower end passes through the spring washer and is in threaded connection with the nut 15 and the locking nut 16, the tool is used for fastening the nut 15, the locking nut 16 is installed, and the spindle is installed on the corn dryer. The feed screw 17 is arranged in a groove of the main spindle box mounting platform 19 through bolting. As shown in fig. 1, the cross section of the conical wedge 18 is wedge-shaped, the length of the conical wedge is consistent with that of the headstock base 3, and the conical wedge is mounted on the right side of a groove of the headstock mounting platform 19 through bolts. When the clamping device is used for installing the spindle box 2 on the corn dryer, the spindle box base 3 is tightly clamped in the groove, so that the spindle 1 can be effectively prevented from vibrating or displacing.
In this embodiment, the lower end of the clamping bolt 13 is sequentially provided with a nut 15 and a locking nut 16, and in other designs, the lower end of the clamping bolt 13 is sequentially provided with a locking connection mode such as a double nut, a cotter pin or a wing gasket.
Although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (5)
1. A clamping device for a corn dryer, characterized in that the clamping device comprises a main spindle box (2), an operating mechanism and a clamping mechanism;
the main shaft box (2) is used for installing the main shaft (1) on a corn dryer, and the main shaft box (2) is installed on the corn dryer through a clamping mechanism and four fixing bolts;
the operating mechanism is arranged on the main shaft box base (3) and used for controlling the clamping mechanism and fastening the main shaft (1) which is vibrated or displaced;
The operating mechanism comprises a through hole (8), a clamping lever (9), a connecting rod (10), a clamping rod (11) and a fulcrum bolt (12);
The through hole (8) is arranged on a circular boss of the main shaft box base (3); the fulcrum bolt (12) is arranged in the through hole (8); the clamping lever (9) is arranged on the main shaft box base (3) through a fulcrum bolt (12); the clamping lever (9) is connected with the clamping mechanism through a connecting rod (10) and a clamping rod (11);
The operating mechanism drives the connecting rod (10) to move by rotating the clamping lever (9) clockwise, the connecting rod (10) drives the clamping rod (11) to rotate clockwise, and the clamping rod (11) controls the clamping mechanism and is used for fastening the main shaft (1) which is vibrated or displaced;
The clamping mechanism comprises a clamping bolt (13), a guide rail panel (14), a nut (15), a locking nut (16), a feed screw (17) and a conical wedge (18);
The upper end of the clamping bolt (13) sequentially passes through the guide rail band (14), the spindle box base (3) and a threaded hole of a clamping rod (11) of the operating mechanism in a threaded manner, and the lower end of the clamping bolt is sequentially provided with a nut (15) and a locking nut (16); the feed screw (17) is arranged in a groove of the main shaft box mounting platform (19); the conical wedge (18) is arranged between the spindle box base (3) and the spindle box mounting platform (19).
2. Clamping device according to claim 1, characterized in that the headstock (2) comprises a headstock base (3), a sealing cover (4), a housing (5), a sleeve portion (6) and a pulley (7);
the sealing cover (4) is arranged on the top opening of the shell (5); the sleeve part (6) is arranged in the inner cavity of the shell (5); the pulley (7) is arranged in an inner hole of the sleeve part (6); the main shaft (1) is arranged in the pulley (7).
3. Clamping device according to claim 1, characterized in that the clamping lever (11) is provided with a threaded hole at one end.
4. Clamping device according to claim 1, characterized in that the clamping mechanism is provided with two groups, which are arranged on both sides of the spindle (1) and are bilaterally symmetrical.
5. Clamping device according to claim 1, characterized in that the headstock base (3) is clamped in a groove of a headstock mounting platform (19) by means of a conical wedge (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011367349.0A CN112576627B (en) | 2020-11-26 | 2020-11-26 | Clamping device for corn dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011367349.0A CN112576627B (en) | 2020-11-26 | 2020-11-26 | Clamping device for corn dryer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112576627A CN112576627A (en) | 2021-03-30 |
| CN112576627B true CN112576627B (en) | 2024-04-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011367349.0A Active CN112576627B (en) | 2020-11-26 | 2020-11-26 | Clamping device for corn dryer |
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| CN (1) | CN112576627B (en) |
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| JP2009136938A (en) * | 2007-12-04 | 2009-06-25 | Jtekt Corp | Headstock turning device |
| CN202192569U (en) * | 2011-05-24 | 2012-04-18 | 安徽星马汽车股份有限公司 | Positioning clamping fixture for automobile auxiliary beams |
| CN103586817A (en) * | 2013-10-12 | 2014-02-19 | 中国人民解放军空军工程大学 | Multi-shaft synchronous tightening equipment for wheel bolts |
| CN104870205A (en) * | 2012-10-19 | 2015-08-26 | 磨坊时代信托公司 | Assembly for loosening or tightening mechanical nuts (esp. wheel nuts) |
| CN208961004U (en) * | 2018-07-25 | 2019-06-11 | 台州巨东精密铸造有限公司 | Integrally formed lathe headstock |
| CN211840158U (en) * | 2020-03-19 | 2020-11-03 | 浙江精盾科技股份有限公司 | Spindle box of machine tool |
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2020
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| FR1483438A (en) * | 1965-06-18 | 1967-06-02 | Vyzk Ustav Obrabecich Stroju | Fixing device for moving headstock of machine tools |
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| CN208961004U (en) * | 2018-07-25 | 2019-06-11 | 台州巨东精密铸造有限公司 | Integrally formed lathe headstock |
| CN211840158U (en) * | 2020-03-19 | 2020-11-03 | 浙江精盾科技股份有限公司 | Spindle box of machine tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112576627A (en) | 2021-03-30 |
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