CN114161290B - Pulley shaft production method and device - Google Patents

Pulley shaft production method and device Download PDF

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Publication number
CN114161290B
CN114161290B CN202111540335.9A CN202111540335A CN114161290B CN 114161290 B CN114161290 B CN 114161290B CN 202111540335 A CN202111540335 A CN 202111540335A CN 114161290 B CN114161290 B CN 114161290B
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China
Prior art keywords
plate
fixedly connected
rod
gear
polishing
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CN202111540335.9A
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Chinese (zh)
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CN114161290A (en
Inventor
周强
代亚烽
陈广
唐金
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Changde Dingcheng Zhengrong Machinery Manufacturing Co ltd
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Changde Dingcheng Zhengrong Machinery Manufacturing Co ltd
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Priority to CN202111540335.9A priority Critical patent/CN114161290B/en
Publication of CN114161290A publication Critical patent/CN114161290A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B27/00—Other grinding machines or devices
    • B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/04—Headstocks; Working-spindles; Features relating thereto
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B47/00—Drives or gearings; Equipment therefor
    • B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
    • B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B47/00—Drives or gearings; Equipment therefor
    • B24B47/22—Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)

Abstract

The invention belongs to the field of pulley shaft production, and particularly relates to a pulley shaft production method and a pulley shaft production device, wherein the production method comprises the following steps: s1: cleaning the surface of a pulley shaft to be polished, and removing scrap iron and other foreign matters adhered to the surface of the pulley shaft; s2: install the wheel of polishing of different precision of polishing in each pivot in proper order, and with fix it, through setting up the rolling disc, the electric putter, the connecting plate, drive assembly, the apparatus further comprises a rotating shaft, the transmission shaft, wheel of polishing and first gear, when using, rely on electric putter pulling connecting plate to remove, thereby make the rack in its first gear and the drive assembly cooperate, thereby make the rolling disc rotate, with this different wheel of polishing that can switch over, can be convenient for the staff through this setting and polish the pulley shaft, need not to install the wheel of polishing again after the staff polishes at every turn, thereby can reduce staff's work load.

Description

Pulley shaft production method and device
Technical Field
The invention relates to the field of pulley shaft production, in particular to a pulley shaft production method and a pulley shaft production device.
Background
The pulley is a rotatable round wheel which is generally used for changing the direction of force or combining the pulley with a plurality of pulley blocks to form a pulley block, and the pulley shaft is a shaft which rotates and is fixed at the center of the pulley.
In the prior art, a pulley shaft needs to be subjected to multiple processing procedures such as casting, cutting and polishing in the production process, in the polishing process, a worker can polish the pulley shaft through a rotating polishing wheel, after one-time polishing is completed, the worker can replace polishing wheels with different polishing precision to polish and polish for multiple times, so that the surface of the pulley shaft is smooth, but when the polishing wheels are replaced, the worker needs to detach and replace the polishing wheels for multiple times, time and labor are wasted in the replacement process, and the worker is inconvenient to polish; therefore, a pulley shaft production method and a pulley shaft production device are provided for solving the problems.
Disclosure of Invention
To remedy the deficiencies of the prior art, at least one of the technical problems set forth in the background is addressed.
The technical scheme adopted by the invention for solving the technical problem is as follows: the invention relates to a pulley shaft production method, which comprises the following steps:
s1: cleaning the surface of a pulley shaft to be polished, and removing scrap iron and other foreign matters adhered to the surface of the pulley shaft;
s2: sequentially mounting polishing wheels with different polishing precisions on each rotating shaft, and fixing the polishing wheels;
s3: starting a motor, driving a grinding wheel to rotate by the motor, then placing a pulley shaft to be ground at the bottom of the grinding wheel, and grinding the pulley shaft;
s4: starting the electric push rod, driving the rotating disc to rotate through the rack, so as to switch the grinding wheels with different grinding precision, and then placing the pulley shaft under the grinding wheels for grinding and polishing again;
s5: and detecting whether the surface of the polished pulley shaft is qualified or not.
The pulley shaft production device is characterized in that: the device is suitable for the pulley shaft production method, and comprises a workbench, a rotating shaft and a driving assembly; a first supporting plate and a second supporting plate are fixedly connected to the top side of the workbench; an electric push rod is fixedly connected to the side surface of the first supporting plate; the output end of the electric push rod is fixedly connected with a connecting plate; the connecting plate is rotatably connected with a transmission shaft; a rotating disc is fixedly connected to the transmission shaft; the group of rotating shafts penetrate through the rotating disc and are in rotating connection with the rotating disc; one end of the rotating shaft is fixedly connected with a first gear, and the other end of the rotating shaft is sleeved with a polishing wheel; the driving assembly is arranged on the side surface of the rotating disc; the driving assembly comprises a fixed shell and a rack; the fixed shell is fixedly connected to the side surface of the second supporting plate; a motor is fixedly connected in the fixed shell; the output end of the motor is fixedly connected with a second gear; a third gear is arranged at the end part of the transmission shaft; a ratchet wheel is arranged between the third gear and the transmission shaft; the rack rigid coupling corresponds position department with the third gear in first backup pad side to this can be convenient for the staff and polish the pulley shaft, need not the staff and need install the wheel of polishing again after polishing at every turn, thereby can reduce staff's work load.
Preferably, one end of the transmission shaft, which is far away from the connecting plate, is rotatably connected with a support plate; the support plate and the connecting plate have the same structure; a first supporting rod and a second supporting rod are fixedly connected between the first supporting plate and the second supporting plate; the first supporting rod penetrates through the connecting plate and is connected with the connecting plate in a sliding manner; the second branch runs through the extension board and rather than sliding connection, relies on first branch and second branch to support the rolling disc, and the rolling disc takes place to rock when reducing to polish, improves the stability of during operation.
Preferably, sliding grooves are formed in the connecting plate and the supporting plate; a first spring is fixedly connected to the inner side wall of the sliding groove; the bottom end of the first spring is fixedly connected with a lock rod; the bottom end of the lock rod is hemispherical; the transmission shaft is provided with a fixing groove at a position corresponding to the lock rod, so that the transmission shaft can be fixed and is not easy to rotate, and the rotating condition of the transmission shaft during work is reduced.
Preferably, one end of the rotating shaft, which is far away from the first gear, is fixedly connected with a screw; a fixed plate is fixedly connected to the surface of the rotating shaft; the fixing plate is positioned on one side of the grinding wheel close to the first gear; the polishing wheel is connected with the rotating shaft in a sliding manner; the screw is sleeved with a fixing ring and a screw cylinder; the screw barrel is connected with the screw rod through threads, and the grinding wheel can be conveniently replaced and detached by workers in the later stage through the arrangement.
Preferably, the screw rod is symmetrically provided with a pair of sliding grooves; a pair of sliding cavities is symmetrically formed in the rotating shaft; a through groove is formed in one side, close to the grinding wheel, of the sliding cavity; a movable plate is fixedly connected to the inner side wall of the fixed ring; the moving plate is connected in the sliding groove in a sliding manner; a plate body is connected in the through groove in a sliding manner; a first rod body is fixedly connected to one side of the plate body, which is far away from the grinding wheel; a second rod body is connected in the sliding cavity in a sliding manner; the first rod body and the second rod body are both trapezoidal rods; a support groove is formed in the moving plate; a backing plate is connected in the support groove in a sliding manner; the rigid coupling has the second spring between backing plate and the support inslot lateral wall, can be convenient for fix with the wheel of polishing that the internal diameter is different through this setting simultaneously, improve device's suitability.
Preferably, one side of the sliding cavity close to the through groove is symmetrically and fixedly connected with a pair of reset plates; the reset plate is designed to be of an L-shaped structure; reset plate and plate body between the rigid coupling have reset spring, through this setting can be convenient for the staff to install the wheel of polishing once more.
The invention has the advantages that:
1. according to the invention, through arranging the rotating disc, the electric push rod, the connecting plate, the driving assembly, the rotating shaft, the transmission shaft, the polishing wheel and the first gear, when the polishing machine is used, the connecting plate is pulled by the electric push rod to move, so that the first gear of the connecting plate is matched with the rack in the driving assembly, and the rotating disc rotates, so that different polishing wheels can be switched.
2. According to the invention, through the arrangement of the support plate, the first support rod and the second support rod, when the transmission shaft is used, the support plate can be used for supporting from the other end of the transmission shaft, in the moving process of the connecting plate, the connecting plate and the support plate can slide on the first support rod and the second support rod, the rotating disc can be supported by virtue of the first support rod and the second support rod, the shaking of the rotating disc during polishing is reduced, and the stability during working is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive labor.
FIG. 1 is a block flow diagram of a production process according to the present invention;
FIG. 2 is a schematic structural diagram of a workbench according to a first embodiment;
FIG. 3 is a schematic side view of a rotary plate according to a first embodiment;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
FIG. 5 is a diagram illustrating a ratchet structure according to the first embodiment;
FIG. 6 is a schematic view of a grinding wheel according to the first embodiment;
fig. 7 is a schematic structural view of the rubber pad of the second embodiment.
In the figure: 11. a work table; 12. a first support plate; 13. a second support plate; 14. an electric push rod; 15. a connecting plate; 16. a rotating shaft; 17. grinding the wheel; 18. a first gear; 19. a drive shaft; 21. a stationary case; 22. a motor; 23. a second gear; 24. a third gear; 25. a rack; 31. a support plate; 32. a first support bar; 33. a second support bar; 41. a chute; 42. a lock lever; 43. fixing grooves; 51. a fixing plate; 52. a screw; 53. a fixing ring; 54. a screw cylinder; 61. a sliding groove; 62. moving the plate; 63. a base plate; 64. a first rod body; 65. a second rod body; 66. a plate body; 7. a reset plate; 8. and (7) a rubber pad.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a pulley shaft manufacturing method includes the following steps:
s1: cleaning the surface of a pulley shaft to be polished, and removing scrap iron and other foreign matters adhered to the surface of the pulley shaft;
s2: sequentially mounting polishing wheels 17 with different polishing precisions on each rotating shaft 16, and fixing the polishing wheels;
s3: starting the motor 22, driving the grinding wheel 17 to rotate by means of the motor 22, then placing a pulley shaft to be ground at the bottom of the grinding wheel 17, and then grinding the pulley shaft;
s4: starting the electric push rod 14, driving the rotating disc to rotate through the rack 25, so as to switch the grinding wheels 17 with different grinding precision, and then putting the pulley shaft under the grinding wheels 17 for grinding and polishing again;
s5: and detecting whether the surface of the polished pulley shaft is qualified or not.
Example one
Referring to fig. 2-6, a pulley shaft manufacturing apparatus suitable for use in the pulley shaft manufacturing method includes a table 11, a rotating shaft 16 and a driving assembly; a first supporting plate 12 and a second supporting plate 13 are fixedly connected to the top side of the workbench 11; an electric push rod 14 is fixedly connected to the side surface of the first supporting plate 12; the output end of the electric push rod 14 is fixedly connected with a connecting plate 15; the connecting plate 15 is rotatably connected with a transmission shaft 19; a rotating disc is fixedly connected to the transmission shaft 19; a group of rotating shafts 16 penetrate through the rotating disc and are connected with the rotating disc in a rotating mode; one end of the rotating shaft 16 is fixedly connected with a first gear 18, and the other end of the rotating shaft is sleeved with a polishing wheel 17; the driving assembly is arranged on the side surface of the rotating disc; the driving assembly comprises a fixed shell 21 and a rack 25; the fixed shell 21 is fixedly connected to the side surface of the second supporting plate 13; a motor 22 is fixedly connected in the fixed shell 21; the output end of the motor 22 is fixedly connected with a second gear 23; a third gear 24 is arranged at the end part of the transmission shaft 19; a ratchet wheel is arranged between the third gear 24 and the transmission shaft 19; the rack 25 is fixedly connected to the side surface of the first support plate 12 at a position corresponding to the third gear 24; when the polishing device is used, the motor 22 is started, then the motor 22 drives the second gear 23 to rotate, the first gear 18 is meshed with the second gear 23 to drive the polishing wheel 17 to rotate, the polishing wheel 17 is used for polishing a pulley shaft, after the first polishing is completed, the electric push rod 14 is started, the electric push rod 14 drives the connecting plate 15 to move, in the moving process, the third gear 24 is meshed with the rack 25 to drive the third gear 24 and the transmission shaft 19 to rotate for a certain angle, then under the action of the ratchet wheel, the electric push rod 14 pushes the connecting plate 15 back, the third gear 24 cannot drive the transmission shaft 19 to rotate, the polishing precision of the polishing wheels 17 on the rotating disc is different, different polishing wheels 17 are automatically switched through the setting, when the connecting plate 15 is pushed back, the first gear 18 is meshed with the second gear 23 again to drive the polishing wheel 17 to rotate, through the setting, the polishing wheel shaft can be conveniently polished by an operator, the polishing wheel 17 does not need to be installed again after the operator polishes each time, and the workload of the operator can be reduced.
One end of the transmission shaft 19, which is far away from the connecting plate 15, is rotatably connected with a support plate 31; the support plate 31 has the same structure as the connecting plate 15; a first supporting rod 32 and a second supporting rod 33 are fixedly connected between the first supporting plate 12 and the second supporting plate 13; the first supporting rod 32 penetrates through the connecting plate 15 and is connected with the connecting plate in a sliding manner; the second supporting rod 33 penetrates through the support plate 31 and is connected with the support plate in a sliding mode; when the polishing device is used, the support plate 31 can be arranged to support from the other end of the transmission shaft 19, in the moving process of the connecting plate 15, the connecting plate 15 and the support plate 31 can slide on the first support rod 32 and the second support rod 33, the rotating disc can be supported by the first support rod 32 and the second support rod 33, the rotating disc is prevented from shaking during polishing, and the stability during working is improved.
The connecting plate 15 and the support plate 31 are both internally provided with a sliding groove 41; a first spring is fixedly connected to the inner side wall of the sliding groove 41; a lock rod 42 is fixedly connected with the bottom end of the first spring; the bottom end of the lock rod 42 is hemispherical; a fixing groove 43 is formed in the position, corresponding to the lock rod 42, of the transmission shaft 19; when the rotary disc is used, the end part of the lock rod 42 is inserted into the fixing groove 43, so that the transmission shaft 19 can be fixed and is not easy to rotate, the situation that the transmission shaft 19 rotates during operation is further reduced, the first gear 18 and the second gear 23 are kept meshed, when the transmission shaft 19 is rotated, the bottom end of the lock rod 42 is hemispherical and can slide out of the fixing groove 43, and after the rotation of the rotary disc is completed, the end part of the lock rod 42 is clamped into the other fixing groove 43 under the action of the first spring, so that the lock rod 42 is fixed.
A screw 52 is fixedly connected to one end of the rotating shaft 16 far away from the first gear 18; a fixed plate 51 is fixedly connected to the surface of the rotating shaft 16; the fixed plate 51 is positioned on one side of the grinding wheel 17 close to the first gear 18; the grinding wheel 17 is connected with the rotating shaft 16 in a sliding manner; the screw rod 52 is sleeved with a fixing ring 53 and a screw cylinder 54; the screw cylinder 54 is connected with the screw 52 through threads; when the installation, the staff will polish the wheel 17 cover on pivot 16, later sheathe in with this fixed ring 53 and spiral shell 54 again, then rotatory spiral shell 54, spiral shell 54 drives fixed ring 53 and removes, later through fixed ring 53 and fixed plate 51 from both sides clip polish wheel 17, fix polish wheel 17 with this to being connected pivot 16 and wheel 17 of polishing, can be convenient for the staff later stage through this setting and change and dismantle polish wheel 17.
A pair of sliding grooves 61 are symmetrically formed in the screw rod 52; a pair of sliding cavities is symmetrically formed in the rotating shaft 16; a through groove is formed in one side, close to the grinding wheel 17, of the sliding cavity; a moving plate 62 is fixedly connected to the inner side wall of the fixed ring 53; the moving plate 62 is connected in the sliding groove 61 in a sliding manner; a plate body 66 is connected in the through groove in a sliding manner; a first rod body 64 is fixedly connected to one side of the plate body 66 away from the grinding wheel 17; a second rod body 65 is connected in the sliding cavity in a sliding manner; the first rod body 64 and the second rod body 65 are both trapezoidal rods; a support groove is formed in the moving plate 62; a backing plate 63 is connected in the supporting groove in a sliding manner; a second spring is fixedly connected between the backing plate 63 and the inner side wall of the supporting groove; when the polishing device is installed, the fixing ring 53 moves, the second spring supports the base plate 63 at the moment, then the base plate 63 can push the second rod body 65, the second rod body 65 slides in the sliding cavity, then the second rod body 65 and the first rod body 64 are matched, the first rod body 64 can move, the plate body 66 is pushed to slide in the through groove, the plate body 66 extends out, the surface of the plate body supports against the inner side wall of the polishing wheel 17, the polishing wheel 17 is fixed, the fixing effect of the polishing wheel 17 is improved, meanwhile, the polishing wheel 17 with different inner diameters can be fixed conveniently through the arrangement, the applicability of the device is improved, after the plate body 66 extends out, the second rod body 65 is blocked and cannot slide, the fixing ring 53 continues to move, the second rod body 65 can be inserted into the supporting groove at the moment, and the fixing ring 53 is in contact with the side face of the polishing wheel 17 for fixation.
One side of the sliding cavity close to the through groove is symmetrically and fixedly connected with a pair of reset plates 7; the reset plate 7 is designed to be of an L-shaped structure; a return spring is fixedly connected between the return plate 7 and the plate body 66; when using, plate body 66 removes the in-process, and it can stretch reset spring, later when dismantling the wheel 17 of polishing, the second body of rod 65 and backing plate 63 separation, plate body 66 resets under reset spring's effect this moment to in pulling back through the inslot with plate body 66 again, can be convenient for the staff through this setting again install wheel 17 of polishing.
Example two
Referring to fig. 7, in a first comparative example, as another embodiment of the present invention, a rubber pad 8 is fixedly connected to a side surface of the plate body 66, and when in use, the rubber pad 8 can increase friction force between the plate body and an inner side wall of the grinding wheel 17, thereby improving a fixing effect of the grinding wheel 17.
The working principle is that when the polishing machine is used, the motor 22 is started, then the motor 22 drives the second gear 23 to rotate, the first gear 18 is meshed with the second gear 23 to drive the polishing wheel 17 to rotate, the polishing wheel 17 is used for polishing a pulley shaft, after the first polishing is completed, the electric push rod 14 is started, the electric push rod 14 drives the connecting plate 15 to move, in the moving process, the third gear 24 is meshed with the rack 25 to drive the third gear 24 and the transmission shaft 19 to rotate for a certain angle, then under the action of the ratchet wheel, when the electric push rod 14 pushes the connecting plate 15 back, the third gear 24 cannot drive the transmission shaft 19 to rotate, the polishing precision of the polishing wheels 17 on the rotating disc is different, different polishing wheels 17 are automatically switched through the arrangement, when the connecting plate 15 is pushed back, the first gear 18 is meshed with the second gear 23 again to drive the polishing wheels 17 to rotate, through the arrangement, the pulley shaft can be conveniently polished by a worker, the worker is not required to reinstall the polishing wheel 17 after polishing every time, so that the workload of the worker can be reduced, the support plate 31 can be supported from the other end of the transmission shaft 19, in the moving process of the connecting plate 15, the connecting plate 15 and the support plate 31 can slide on the first support rod 32 and the second support rod 33, the rotating disc can be supported by the first support rod 32 and the second support rod 33, the shaking of the rotating disc during polishing is reduced, the stability during working is improved, when the pulley shaft is used, the end part of the lock rod 42 is inserted into the fixing groove 43, so that the transmission shaft 19 can be fixed and is not easy to rotate, the rotating condition of the transmission shaft 19 is reduced, and the meshing of the first gear 18 and the second gear 23 is kept, when the transmission shaft 19 is rotated, the bottom end of the lock rod 42 is hemispherical and can slide out of the fixed groove 43, after the rotation of the rotating disc is completed, the end part of the lock rod 42 is clamped into the other fixed groove 43 under the action of a first spring to fix the lock rod, when the rotating disc is installed, a worker sleeves the polishing wheel 17 on the rotating shaft 16, then sleeves the fixed ring 53 and the screw barrel 54 with the fixed ring, then rotates the screw barrel 54, the screw barrel 54 drives the fixed ring 53 to move, then clamps the polishing wheel 17 from two sides through the fixed ring 53 and the fixed plate 51 to fix the polishing wheel 17, so that the rotating shaft 16 is connected with the polishing wheel 17, through the arrangement, the polishing wheel 17 can be conveniently replaced and detached by the worker in the later period, when the installation is carried out, the fixed ring 53 moves, at the moment, the second spring supports the base plate 63, then the base plate 63 pushes the second rod body 65, and the second rod body 65 slides in the sliding cavity, then under the cooperation of the second rod body 65 and the first rod body 64, the first rod body 64 moves to push the plate body 66 to slide in the through groove, so that the plate body 66 extends out, the surface of the plate body abuts against the inner side wall of the polishing wheel 17, the polishing wheel 17 is fixed, the fixing effect of the polishing wheel 17 is improved, meanwhile, the plate body can be conveniently fixed with the polishing wheel 17 with different inner diameters through the arrangement, the applicability of the device is improved, after the plate body 66 extends out, the second rod body 65 is blocked and cannot slide, at the moment, the fixing ring 53 continues to move, at the moment, the second rod body 65 is inserted into the supporting groove, then the fixing ring 53 is in contact fixation with the side surface of the polishing wheel 17, the plate body 66 stretches the reset spring in the moving process, then, when the polishing wheel 17 is disassembled, the second rod body 65 is separated from the backing plate 63, at the moment, the plate body 66 resets under the action of the reset spring, the plate 66 is thereby pulled back into the through-slot, by which arrangement the worker can easily install the grinding wheel 17 again.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are within the scope of the invention as claimed.

Claims (6)

1. The pulley shaft production device is characterized in that: comprises a workbench (11), a rotating shaft (16) and a driving component; a first supporting plate (12) and a second supporting plate (13) are fixedly connected to the top side of the workbench (11); an electric push rod (14) is fixedly connected to the side surface of the first supporting plate (12); the output end of the electric push rod (14) is fixedly connected with a connecting plate (15); the connecting plate (15) is rotatably connected with a transmission shaft (19); a rotating disc is fixedly connected to the transmission shaft (19); a group of rotating shafts (16) penetrate through the rotating disc and are connected with the rotating disc in a rotating mode; one end of the rotating shaft (16) is fixedly connected with a first gear (18), and the other end of the rotating shaft is sleeved with a polishing wheel (17); the driving assembly is arranged on the side surface of the rotating disc; the driving assembly comprises a fixed shell (21) and a rack (25); the fixed shell (21) is fixedly connected to the side surface of the second supporting plate (13); a motor (22) is fixedly connected in the fixed shell (21); the output end of the motor (22) is fixedly connected with a second gear (23); a third gear (24) is arranged at the end part of the transmission shaft (19); a ratchet wheel is arranged between the third gear (24) and the transmission shaft (19); the rack (25) is fixedly connected to the side surface of the first supporting plate (12) at a position corresponding to the third gear (24).
2. The pulley shaft producing apparatus according to claim 1, wherein: one end of the transmission shaft (19) far away from the connecting plate (15) is rotatably connected with a support plate (31); the support plate (31) and the connecting plate (15) have the same structure; a first supporting rod (32) and a second supporting rod (33) are fixedly connected between the first supporting plate (12) and the second supporting plate (13); the first supporting rod (32) penetrates through the connecting plate (15) and is connected with the connecting plate in a sliding mode; the second supporting rod (33) penetrates through the supporting plate (31) and is connected with the supporting plate in a sliding mode.
3. The pulley shaft producing apparatus according to claim 2, wherein: the connecting plate (15) and the support plate (31) are internally provided with sliding grooves (41); a first spring is fixedly connected to the inner side wall of the sliding groove (41); a lock rod (42) is fixedly connected to the bottom end of the first spring; the bottom end of the lock rod (42) is hemispherical; the transmission shaft (19) is provided with a fixing groove (43) at the position corresponding to the lock rod (42).
4. A pulley shaft producing apparatus according to claim 3, wherein: a screw rod (52) is fixedly connected to one end of the rotating shaft (16) far away from the first gear (18); a fixed plate (51) is fixedly connected to the surface of the rotating shaft (16); the fixed plate (51) is positioned on one side of the grinding wheel (17) close to the first gear (18); the grinding wheel (17) is in sliding connection with the rotating shaft (16); the screw rod (52) is sleeved with a fixed ring (53) and a screw cylinder (54); the screw cylinder (54) is connected with the screw (52) through threads.
5. The pulley shaft producing apparatus according to claim 4, wherein: a pair of sliding grooves (61) are symmetrically formed in the screw rod (52); a pair of sliding cavities is symmetrically formed in the rotating shaft (16); a through groove is formed in one side, close to the grinding wheel (17), of the sliding cavity; a moving plate (62) is fixedly connected to the inner side wall of the fixed ring (53); the moving plate (62) is connected in the sliding groove (61) in a sliding manner; a plate body (66) is connected in the through groove in a sliding manner; a first rod body (64) is fixedly connected to one side of the plate body (66) far away from the grinding wheel (17); a second rod body (65) is connected in the sliding cavity in a sliding manner; the first rod body (64) and the second rod body (65) are both trapezoidal rods; a support groove is formed in the moving plate (62); a backing plate (63) is connected in the support groove in a sliding manner; and a second spring is fixedly connected between the backing plate (63) and the inner side wall of the supporting groove.
6. The pulley shaft producing apparatus according to claim 5, wherein: one side of the sliding cavity close to the through groove is symmetrically and fixedly connected with a pair of reset plates (7); the reset plate (7) is designed to be of an L-shaped structure; and a return spring is fixedly connected between the return plate (7) and the plate body (66).
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