CN113472164B - Motor casing adds clamping apparatus convenient to location - Google Patents
Motor casing adds clamping apparatus convenient to location Download PDFInfo
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- CN113472164B CN113472164B CN202110770560.5A CN202110770560A CN113472164B CN 113472164 B CN113472164 B CN 113472164B CN 202110770560 A CN202110770560 A CN 202110770560A CN 113472164 B CN113472164 B CN 113472164B
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- telescopic rod
- sliding
- stator
- pressure
- motor casing
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/14—Casings; Enclosures; Supports
Abstract
The invention relates to the technical field of clamps, in particular to a motor casing machining clamp convenient to position, which comprises a rack; the motor casing is characterized in that an air cylinder is mounted inside the frame, the end part of the air cylinder is connected with a telescopic rod, a positioning column is fixedly connected to the outside of the frame, the positioning column is connected with the telescopic rod in a sliding mode, the axes of the positioning column and the telescopic rod are the same, a convex ring is fixedly connected to the side wall of the positioning column, an annular pressing plate is arranged on one side of the motor casing, sliding grooves are symmetrically formed in the side wall of the free end of the telescopic rod, a clamping block is connected to the inside of each sliding groove in a sliding mode, an inclined extrusion surface is arranged at the outer end, away from the positioning column, of the clamping block, and an elastic piece is connected between the clamping block and the inner end of each sliding groove; according to the invention, the clamping blocks and the pressing plates which are matched with each other are arranged, so that the telescopic rod and the pressing plates do not need to be aligned in a time-consuming and labor-consuming manner before being matched, the operation is simple and rapid, the processing efficiency of workers is greatly improved, and the labor burden of the workers is reduced.
Description
Technical Field
The invention relates to the technical field of clamps, in particular to a motor casing machining clamp convenient to position.
Background
The clamp is a device used for fixing a processing object to enable the processing object to occupy a correct position in the mechanical manufacturing process so as to receive construction or detection, and when a motor is processed, after a motor stator is assembled in a motor shell, rabbets are required to be processed at two ends of the motor shell so as to facilitate the assembly between a motor end cover and the motor shell. Before the seam allowance is machined, the motor shell needs to be clamped and fixed, and then the end face of the motor shell is subjected to milling machining, so that the seam allowance is machined on the end face of the motor shell. At present, the motor stator is expanded through the internal support clamp to fix the motor shell, and when the internal support clamp expands the motor stator, the motor stator is slightly deformed, so that the motor shell is slightly deformed, and the assembly between the motor shell and the motor end cover is influenced.
Some technical solutions related to a motor casing processing clamp also appear in the prior art, for example, a chinese patent, patent No. 2015107508654, the present invention provides a clamp for processing a motor casing, which clamps an end face of a motor stator in the motor casing to fix a motor, so as to process the end face of the motor casing. The invention can avoid the motor stator from being expanded, thereby avoiding the motor shell from deforming.
However, when the motor casing machining clamp in the technology is used for positioning the motor casing, the protrusion on the telescopic shaft and the groove on the pressing plate need to be aligned in a time-consuming and labor-consuming mode, and meanwhile, after the protrusion and the pressing plate are matched, the pressing plate needs to be screwed, so that the protrusion and the groove are staggered, the use is complicated, and the labor burden of workers is increased.
Therefore, a motor casing machining clamp convenient to locate is provided for the above problems.
Disclosure of Invention
In order to make up for the defects of the prior art and solve the problems that the existing clamp is relatively complicated in use and large in labor burden of workers, the invention provides a motor casing machining clamp convenient to position.
The technical scheme adopted by the invention for solving the technical problems is as follows: a motor casing machining clamp convenient to position comprises a rack; the motor comprises a rack, and is characterized in that an air cylinder is arranged in the rack, the end part of the air cylinder is connected with a telescopic rod, a positioning column is fixedly connected to the outer part of the rack, the positioning column is connected with the telescopic rod in a sliding manner, the axes of the positioning column and the telescopic rod are the same, a convex ring is fixedly connected to the side wall of the positioning column, a stator matched with the positioning column is arranged in the motor shell, an annular pressing plate is arranged on one side of the motor shell, sliding grooves are symmetrically formed in the side wall of the free end of the telescopic rod, a clamping block is slidably connected to the inner part of each sliding groove, an inclined extrusion surface is arranged at the outer end, far away from the positioning column, of each clamping block, and an elastic part is connected between each clamping block and the inner end of each sliding groove; when the motor casing machining clamp works, when the motor casing is positioned by the motor casing machining clamp in the prior art, the protrusion on the telescopic shaft needs to be aligned with the groove on the pressing plate in a time-consuming and labor-consuming manner, and meanwhile, after the protrusion and the groove are matched, the pressing plate needs to be screwed, so that the protrusion and the groove are dislocated, the use is complicated, and the labor burden of workers is increased; when the clamp is used, the air cylinder pushes the telescopic rod to extend out of and penetrate through the interior of the motor shell, then the annular groove of the pressing plate is pressed into the end part of the telescopic rod, so that the side wall of the inner ring of the pressing plate applies pressure to the extrusion surface, the clamping block is pressed to slide into the sliding groove until the pressing plate passes through the sliding groove and no force is applied to the clamping block, at the moment, the clamping block can be ejected out of the sliding groove under the rebound force of the elastic part, the movement of the pressing plate along the outer end of the telescopic rod is limited, then, the air cylinder drives the telescopic rod to reset, at the moment, the telescopic rod can push the stator and the motor shell to move towards one side of the positioning column through the pressing plate until the end part of the stator is attached to the convex ring on the positioning column, at the moment, the two ends of the stator can be effectively fixed through the convex ring and the pressing plate, the condition that the stator and the motor shell are deformed when the motor stator is positioned through expansion is reduced, and the processing and assembling quality of the end surface of the motor shell is greatly improved, simultaneously through setting up fixture block and the clamp plate of mutually supporting, do not need to go on the telescopic link with the clamp plate before the cooperation alignment that wastes time and energy, easy operation is swift simultaneously, has improved staff's machining efficiency greatly, has reduced workman's work burden.
Preferably, a rubber sliding ring is sleeved on the telescopic rod at the end part of the positioning column, a chamfer is arranged at the end part, far away from the rack, of the sliding ring, a magnetic body is embedded and mounted on the side wall of the inner ring of the sliding ring, a magnetic block attracted with the magnetic body is embedded and mounted on the side wall of the telescopic rod, and when the magnetic block on the telescopic rod moves to the position of the magnetic body, the sliding ring can synchronously move along with the telescopic rod under the action of the magnetic block and the magnetic body and is attached to the end part of the stator; the during operation, when the telescopic link drives the magnetism piece and slides to the sliding ring department from reference column inside gradually, the magnetism piece can drive sliding ring synchronous motion through the adsorption with the magnetic substance, can move to the tip of stator until the sliding ring, make the stator both ends can fix a position through clamp plate and sliding ring respectively, thereby make the stator more stable when moving to reference column one side under the drive of telescopic link, simultaneously through the material that sets up the sliding ring and the chamfer of tip, reduce the collision of sliding ring and stator tip, also make the sliding ring tip can more stable card go into inside the enamelled coil between the stator tip simultaneously, thereby make the sliding ring can go on smoothly to the positioning work of stator.
Preferably, a pressure groove is formed in the middle of the free end of the telescopic rod, a pressure rod is connected to the inside of the pressure groove in a sliding mode, and a traction rope is connected between the side wall of the pressure rod and the inner end of the clamping block; the during operation finishes when motor casing processing and when no longer needing to press from both sides tightly, through pressing the depression bar this moment for the depression bar is to the inner motion of indent, and slides to spout inner respectively through haulage rope pulling fixture block, thereby makes the fixture block no longer fix the position of clamp plate, afterwards through taking out the clamp plate from the telescopic link, can make the clamp plate become invalid to the location effect of motor casing, and then makes the motor casing break away from and carry out subsequent processing from the reference column by convenient and fast.
Preferably, the inner end of the pressure lever is connected with a piston, an elastic block is connected between the piston and the inner end of the pressure groove, the side wall of the telescopic rod is symmetrically provided with arc-shaped sliding cavities communicated with the inner end of the pressure groove, the inside of each sliding cavity is connected with a push plate in a sliding manner, and magnetic plates capable of attracting each other are respectively embedded in the positions where the press plate is matched with the telescopic rod; the during operation, after the motor casing processing finishes, promote the telescopic link to the side motion of keeping away from the reference column through the cylinder this moment, the stator can be kept away from through the magnetic plate dynamic pressure board of inter attraction this moment to make the stator no longer exert the effort to clamp plate and fixture block, make the fixture block can be more relaxed in the draw-in groove that slides in, the in-process of indent inside is impressed at the depression bar simultaneously, the depression bar can be through the piston in the smooth chamber of impressing the gas in the indent, and promote the push pedal in the smooth chamber and exert the effort to the clamp plate, thereby can promote the clamp plate from the convenient and fast breaking away from in the telescopic link top.
Preferably, the side wall of the positioning column is provided with a plurality of pressure cavities which are annularly and uniformly distributed, the pressure cavities are internally connected with pressure blocks in a sliding manner, the pressure blocks are made of magnetic materials and can attract the stators, an elastic body is connected between each pressure block and the inner end of each pressure cavity, the outer ends of the pressure cavities are respectively connected with pressure bags, nozzles are arranged on the pressure bags, a group of discharge holes are formed in the end surface of each pressure plate, and one side, close to the pressure plate, of each sliding ring is connected with a plugging rod matched with the discharge holes; the during operation, in-process to reference column one side motion gradually as the stator, the stator can attract with the pressure piece, make the pressure piece extrude the pressure bag when moving to stator one side, thereby make the impurity to stator surface adhesion when pressing the gas in the bag to pass through the nozzle spun clear up, the discharge opening that sets up on the clamp plate makes things convenient for impurity to flow out simultaneously, after the stator presss from both sides tightly completely fixedly, shutoff pole on the sliding ring can stretch into in the discharge opening just and to its shutoff this moment, reduce the motor casing tip of this department and adding the condition of inflow impurity man-hour, thereby the inside cleanliness of stator has been improved greatly.
Preferably, every two pressure cavities are in one group, the side wall of the positioning column between each group of pressure cavities is rotatably connected with a group of scraping strips with rubber end parts through torsion springs, and pull ropes are respectively connected between every two adjacent scraping strips and the inner ends of the pressure blocks in the pressure cavities at two sides; the during operation, when the pressure chamber got into the stator inside, the pressure piece in this pressure chamber was rotated through stay cord pulling scraping strip in the motion this moment to play the effect of scraping and sweeping to impurity on the stator inner wall, when two liang of another pressure chambers got into the stator inside simultaneously, the slider of this pressure chamber can drive scraping strip through the stay cord equally when the motion this moment and swing, has further promoted the clearance effect of scraping strip to the stator inner wall.
Preferably, an airflow channel is formed in the telescopic rod, an air pump is installed in the rack, an air pipe is connected between the air pump and the airflow channel, airflow grooves are formed in the inner ends of the pressure cavities respectively, and a communicating groove capable of being communicated with the airflow grooves is formed in the side wall of the telescopic rod; the during operation, the air pump can bleed air flow channel at the during operation, when the telescopic link outer end moves to reference column one side, the telescopic link can drive the intercommunication groove and be linked together with the air current groove respectively this moment, and bleed air pressure chamber inner through the air pump, thereby can make the inside pressure piece of pressure chamber reset under the effect of inside atmospheric pressure, after that when the telescopic link continues the motion and makes the air current groove and the intercommunication groove when breaking off, the pressure piece can be once more to the one side motion that is close to the stator this moment, thereby can drive again and press the bag extrusion and swing with the scraping strip, make and press the bag and the scraping strip to the inside clearance effect of stator better.
Preferably, one end of the pressure plate, which is close to the rack, is connected with a telescopic bag, and the surface of the telescopic bag is provided with air injection holes; during operation, when the stator is about to press from both sides tight in-process completely, the expansion bag on the clamp plate produces the extrusion with the sliding ring to make inside gas spout from the fumarole, thereby can blow the department from reference column one side with the impurity on the stator of scraping strip clearance, further strengthened the inside cleanliness of stator.
Preferably, the scraping strip consists of a rotating strip at the inner end and a working strip at the outer end, a sliding groove is formed in the free end of the rotating strip, and the working strip is positioned in the sliding groove and connected with an elastic component between the working strip and the inner end of the sliding groove; the during operation is through setting up the constitution form of scraping the strip for elastic component can compress tightly the working strip all the time on the stator inner wall, thereby greatly increased the working area who scrapes the strip, scrape the strip simultaneously and also can pass through the extrusion of stator when the motion, and the control working strip slides in the sliding tray is inside, thereby adjusts the whole length of scraping the strip, and then makes the swing of scraping the strip go on more stably.
Preferably, the outer end of the working strip is provided with a rolling groove, the rolling ball is rotatably connected inside the rolling groove, the outer surface of the rolling ball is provided with a group of mutually communicated air outlet grooves, and the inner end of the working strip is provided with an air passage communicated with the rolling groove; during operation, the spin of working strip tip can reduce the resistance of working strip when moving on the stator inner wall, scrapes the strip simultaneously and when sliding to sliding tray inside, can extrude inside gas from the air flue to go out the gas duct direct injection on the stator inner wall through on the spin, further improved the clearance effect of scraping the strip to the inside impurity of stator.
The invention has the following beneficial effects:
1. according to the invention, the two ends of the stator are effectively fixed with the pressing plate through the convex rings, so that the condition that the stator and the motor shell deform when the motor stator is positioned through expansion is reduced, the processing and assembling quality of the end surface of the motor shell is greatly improved, meanwhile, the telescopic rod and the pressing plate do not need to be aligned in a time-consuming and labor-consuming manner before being matched through the arrangement of the clamping blocks and the pressing plate which are matched with each other, meanwhile, the operation is simple and rapid, the processing efficiency of workers is greatly improved, and the labor burden of workers is reduced.
2. In the process that the stator is to be completely clamped, the telescopic bag on the pressing plate and the sliding ring are extruded, and the gas in the stator is sprayed out from the gas injection hole, so that impurities on the stator cleaned by the scraping strips can be blown from one side of the positioning column, and the cleanliness in the stator is further enhanced.
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 description of the embodiments or the prior art will be briefly described below, and 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 these drawings without inventive exercise.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic structural view of the clamp of the present invention prior to engagement with a motor casing;
FIG. 3 is a schematic view of the clamp of the present invention in engagement with a motor casing;
FIG. 4 is an enlarged view at A in FIG. 3;
FIG. 5 is an enlarged view at B in FIG. 3;
FIG. 6 is a schematic structural diagram of a second embodiment of the wiper strip;
in the figure: the device comprises a rack 1, a cylinder 2, an expansion link 3, a positioning column 4, a convex ring 5, a stator 6, a pressure plate 7, a clamping block 8, an extrusion surface 9, an elastic piece 10, a sliding ring 11, a magnetic body 12, a magnetic block 13, a pressure groove 14, a pressure rod 15, a traction rope 16, a magnetic plate 17, a piston 18, an elastic block 19, a push plate 20, a pressure cavity 21, a pressure block 22, an elastic body 23, a pressure bag 24, a discharge hole 25, a plugging rod 26, a scraping strip 27, a pull rope 28, an air flow channel 29, an air pump 30, an air flow channel 31, a communication channel 32, an expansion bag 33, a rotating strip 34, a working strip 35, an elastic component 36, an air outlet channel 37 and an air passage rolling ball 39.
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.
The first embodiment is as follows:
referring to fig. 1-5, the motor casing machining fixture convenient for positioning according to the present invention includes a frame 1; an air cylinder 2 is installed inside the frame 1, an end of the air cylinder 2 is connected with a telescopic rod 3, a positioning column 4 is fixedly connected to the outside of the frame 1, the positioning column 4 is connected with the telescopic rod 3 in a sliding mode, the axis of the positioning column is the same as that of the telescopic rod 3, a convex ring 5 is fixedly connected to the side wall of the positioning column 4, a stator 6 matched with the positioning column 4 is installed inside the motor shell, an annular pressing plate 7 is arranged on one side of the motor shell, sliding grooves are symmetrically formed in the side wall of the free end of the telescopic rod 3, a clamping block 8 is connected inside the sliding grooves in a sliding mode, an inclined extrusion surface 9 is arranged at the outer end, far away from the positioning column 4, of the clamping block 8, and an elastic part 10 is connected between the clamping block 8 and the inner end of the sliding grooves; when the motor casing machining clamp works, when the motor casing is positioned by the motor casing machining clamp in the prior art, the protrusion on the telescopic shaft needs to be aligned with the groove on the pressing plate 7 in a time-consuming and labor-consuming mode, and meanwhile, after the protrusion and the groove are matched, the pressing plate 7 needs to be twisted, so that the protrusion and the groove are staggered, the use is complicated, and the labor burden of workers is increased; when the clamp is used, the air cylinder 2 pushes the telescopic rod 3 to extend out and penetrate through the interior of the motor shell, then the annular groove of the pressing plate 7 is pressed into the end part of the telescopic rod 3, so that the inner ring side wall of the pressing plate 7 applies pressure to the extrusion surface 9, the clamping block 8 is pressed to slide into the sliding groove until the pressing plate 7 passes through the sliding groove and does not apply an acting force to the clamping block 8 any more, then the clamping block 8 can be ejected out of the sliding groove under the counter-elastic force of the elastic part 10, the movement of the pressing plate 7 along the outer end of the telescopic rod 3 is limited, then the air cylinder 2 drives the telescopic rod 3 to reset, at the moment, the telescopic rod 3 can push the stator 6 and the motor shell to move towards one side of the positioning column 4 through the pressing plate 7 until the end part of the stator 6 is attached to the convex ring 5 on the positioning column 4, at the moment, the two ends of the stator 6 can be effectively fixed with the pressing plate 7 through the convex ring 5, and the situation that the stator 6 and the motor shell deform when the motor stator 6 is positioned through expanding is reduced, thereby the processing and the assembly quality of motor casing terminal surface have been improved greatly, simultaneously through setting up fixture block 8 and clamp plate 7 of mutually supporting, do not need to carry out time-consuming and energy-consuming's alignment with telescopic link 3 and clamp plate 7 before the cooperation, and easy operation is swift simultaneously, has improved staff's machining efficiency greatly, has reduced workman's work burden.
A rubber sliding ring 11 is sleeved on the telescopic rod 3 at the end part of the positioning column 4, a chamfer is arranged at the end part, far away from the rack 1, of the sliding ring 11, a magnetic body 12 is embedded and installed on the inner ring side wall of the sliding ring 11, a magnetic block 13 attracted with the magnetic body 12 is embedded and installed on the side wall of the telescopic rod 3, and when the magnetic block 13 on the telescopic rod 3 moves to the magnetic body 12, the sliding ring 11 can synchronously move along with the telescopic rod 3 under the action of the magnetic block 13 and the magnetic body 12 and is attached to the end part of the stator 6; the during operation, when telescopic link 3 drives magnetism piece 13 and slides to sliding ring 11 department from reference column 4 inside gradually, magnetism piece 13 can drive sliding ring 11 synchronous motion through the adsorption with magnetic body 12, until sliding ring 11 can move to stator 6's tip, make stator 6 both ends can fix a position through clamp plate 7 and sliding ring 11 respectively, thereby it is more stable when making stator 6 move to reference column 4 one side under telescopic link 3's drive, simultaneously through the chamfer of the material that sets up sliding ring 11 and tip, reduce the collision of sliding ring 11 and stator 6 tip, also make sliding ring 11 tip can more stable card go into inside the enamelled coil between stator 6 tip simultaneously, thereby make sliding ring 11 can go on smoothly to stator 6's positioning work.
A pressure groove 14 is formed in the middle of the free end of the telescopic rod 3, a pressure rod 15 is connected to the inside of the pressure groove 14 in a sliding mode, and a traction rope 16 is connected between the side wall of the pressure rod 15 and the inner end of the clamping block 8; the during operation, when the motor casing processing finishes and no longer need press from both sides tightly, this moment through pressing depression bar 15 for depression bar 15 is to 14 inner movements in indent, and slide to spout inner respectively through 16 pulling fixture blocks 8 of haulage rope, thereby make fixture block 8 no longer fix the position of clamp plate 7, afterwards through taking out clamp plate 7 from telescopic link 3, can make the clamp plate 7 become invalid to the positioning effect of motor casing, and then make the motor casing can break away from and carry out subsequent processing by convenient and fast from reference column 4.
The inner end of the pressure lever 15 is connected with a piston 18, an elastic block 19 is connected between the piston 18 and the inner end of the pressure groove 14, the side wall of the telescopic rod 3 is symmetrically provided with arc-shaped sliding cavities communicated with the inner end of the pressure groove 14, the sliding cavities are connected with a push plate 20 in a sliding manner, and the positions where the pressure plate 7 is matched with the telescopic rod 3 are respectively embedded with magnetic plates 17 capable of attracting each other; the during operation, after the motor casing processing finishes, promote telescopic link 3 to the one side motion of keeping away from reference column 4 through cylinder 2 this moment, telescopic link 3 can drive clamp plate 7 through the magnetic sheet 17 of inter attraction and keep away from stator 6 this moment, thereby make stator 6 no longer exert the effort to clamp plate 7 and fixture block 8, make in the draw-in groove that the fixture block 8 can be more relaxed, at the depression bar 15 in-process of indent 14 inside of impressing simultaneously, depression bar 15 can impress in the sliding chamber through the gas in piston 18 with indent 14, and promote the push pedal 20 in the sliding chamber and exert the effort to clamp plate 7, thereby can promote clamp plate 7 from convenient and fast the breaking away from in telescopic link 3 top.
The side wall of the positioning column 4 is provided with a plurality of pressure cavities 21 which are annularly and uniformly distributed, the pressure cavities 21 are connected with pressure blocks 22 in a sliding manner, the pressure blocks 22 are made of magnetic materials and can attract the stator 6, an elastic body 23 is connected between the pressure blocks 22 and the inner ends of the pressure cavities 21, the outer ends of the pressure cavities 21 are respectively connected with pressure bags 24, nozzles are arranged on the pressure bags 24, a group of discharge holes 25 are formed in the end surface of the pressure plate 7, and one side, close to the pressure plate 7, of the sliding ring 11 is connected with a blocking rod 26 matched with the discharge holes 25; the during operation, in-process to the motion of reference column 4 one side gradually as stator 6, stator 6 can attract with pressure block 22, make pressure block 22 extrude pressing bag 24 when to the motion of stator 6 one side, thereby make the impurity to stator 6 surface adhesion when pressing the gas in bag 24 to pass through the nozzle spun clear up, the discharge opening 25 that sets up on the clamp plate 7 makes things convenient for the impurity to flow out simultaneously, when stator 6 presss from both sides tight fixed back completely, shutoff pole 26 on the sliding ring 11 can stretch into in the discharge opening 25 just and to its shutoff this moment, reduce the motor casing tip of this department and adding the condition of man-hour inflow impurity, thereby stator 6 inside cleanliness has been improved greatly.
The pressure chambers 21 are grouped in pairs, the side wall of the positioning column 4 between each group of pressure chambers 21 is rotatably connected with a group of scraping strips 27 with rubber end parts through torsion springs, and pull ropes 28 are respectively connected between the two adjacent scraping strips 27 and the inner ends of the pressure blocks 22 in the pressure chambers 21 at two sides; during operation, when pressure chamber 21 got into stator 6 inside, pressure block 22 in this pressure chamber 21 was rotated through stay cord 28 pulling scraping strip 27 in the motion this moment to play the effect of scraping and sweeping to the impurity on the stator 6 inner wall, when two liang of another pressure chambers 21 got into stator 6 inside simultaneously, the slider of this pressure chamber 21 can drive scraping strip 27 through stay cord 28 equally when the motion this moment and swing, further promoted the clearance effect of scraping strip 27 to stator 6 inner wall.
An airflow channel 29 is formed in the telescopic rod 3, an air pump 30 is installed in the rack 1, an air pipe is connected between the air pump 30 and the airflow channel 29, airflow grooves 31 are respectively formed in the inner ends of the pressure chambers 21, and a communication groove 32 capable of being communicated with the airflow grooves 31 is formed in the side wall of the telescopic rod 3; during operation, air pump 30 can bleed air flow channel 29 at the during operation, when 3 outer ends of telescopic link move to reference column 4 one side, telescopic link 3 can drive intercommunication groove 32 and be linked together with air current groove 31 respectively this moment, and bleed air to pressure chamber 21 inner through air pump 30, thereby can make the inside pressure piece 22 of pressure chamber 21 reset under the effect of inside atmospheric pressure, after that when telescopic link 3 continues to move and make air current groove 31 and intercommunication groove 32 break off, pressure piece 22 can be once more to the one side motion of being close to stator 6 this moment, thereby can drive repeatedly and press bag 24 extrusion and scrape the strip 27 and swing, make pressure bag 24 better with the strip 27 inside clearance effect of scraping to stator 6.
One end of the pressure plate 7, which is close to the rack 1, is connected with a telescopic bag 33, and the surface of the telescopic bag 33 is provided with air injection holes; during operation, when the stator 6 is to be completely clamped, the expansion bag 33 on the pressing plate 7 and the slip ring 11 are extruded, and the internal gas is sprayed out from the gas injection hole, so that impurities on the stator 6 cleaned by the scraping strips 27 can be blown from one side of the positioning column 4, and the cleanness inside the stator 6 is further enhanced.
Example two:
as shown in fig. 6, the scraping bar 27 is composed of a rotating bar 34 at the inner end and a working bar 35 at the outer end, a sliding groove is formed at the free end of the rotating bar 34, and an elastic component 36 is connected between the working bar 35 and the inner end of the sliding groove; the during operation, through setting up the constitution form of scraping strip 27 for elastic component 36 can compress tightly working strip 35 on stator 6 inner wall all the time, thereby greatly increased the working area of scraping strip 27, scraping strip 27 simultaneously also can pass through stator 6's extrusion when the motion, and control working strip 35 slides in the sliding tray is inside, thereby adjusts the whole length of scraping strip 27, and then makes the swing of scraping strip 27 go on more stably.
The outer end of the working strip 35 is provided with a rolling groove, the rolling ball 37 is rotatably connected inside the rolling groove, the outer surface of the rolling ball 37 is provided with a group of mutually communicated air outlet grooves 38, and the inner end of the working strip 35 is provided with an air passage 39 communicated with the rolling groove; during operation, the rolling ball 37 at the end of the working strip 35 can reduce the resistance of the working strip 35 when moving on the inner wall of the stator 6, and meanwhile, when the scraping strip 27 slides towards the inside of the sliding groove, the internal gas can be extruded out from the gas channel 39, and the gas outlet groove 38 on the rolling ball 37 is directly sprayed on the inner wall of the stator 6, so that the cleaning effect of the scraping strip 27 on the internal impurities of the stator 6 is further improved.
The working principle is as follows: the air cylinder 2 pushes the telescopic rod 3 to extend out and penetrate through the interior of the motor shell, then the annular groove of the pressing plate 7 is pressed into the end part of the telescopic rod 3, so that the inner ring side wall of the pressing plate 7 applies pressure to the extrusion surface 9, the clamping block 8 is pressed to slide into the sliding groove until the pressing plate 7 passes through the sliding groove and does not apply acting force to the clamping block 8, at the moment, the clamping block 8 can be ejected out of the sliding groove under the counter-elastic force of the elastic part 10, the movement of the pressing plate 7 along the outer end of the telescopic rod 3 is limited, then the air cylinder 2 drives the telescopic rod 3 to reset, at the moment, the telescopic rod 3 can push the stator 6 and the motor shell to move towards one side of the positioning column 4 through the pressing plate 7 until the end part of the stator 6 is attached to the convex ring 5 on the positioning column 4, at the moment, the two ends of the stator 6 can be effectively fixed with the pressing plate 7 through the convex ring 5, and the situation that the stator 6 and the motor shell deform when the motor stator 6 is positioned through expansion is reduced, the processing and assembling quality of the end face of the motor shell is greatly improved, meanwhile, the clamping block 8 and the pressing plate 7 which are matched with each other are arranged, time-consuming and labor-consuming alignment of the telescopic rod 3 and the pressing plate 7 before matching is not needed, the operation is simple and rapid, the processing efficiency of workers is greatly improved, and the labor burden of the workers is reduced; when the telescopic rod 3 drives the magnetic block 13 to gradually slide to the sliding ring 11 from the inside of the positioning column 4, the magnetic block 13 can drive the sliding ring 11 to synchronously move through the adsorption effect with the magnetic body 12 until the sliding ring 11 can move to the end part of the stator 6, so that the two ends of the stator 6 can be respectively positioned through the pressing plate 7 and the sliding ring 11, and the stator 6 is more stable when moving to one side of the positioning column 4 under the driving of the telescopic rod 3; when the motor shell is machined and does not need to be clamped, the pressing rod 15 is pressed at the moment, the pressing rod 15 moves towards the inner end of the pressing groove 14, the clamping block 8 is pulled by the traction rope 16 to respectively slide towards the inner end of the sliding groove, so that the clamping block 8 does not fix the position of the pressing plate 7 any more, and then the pressing plate 7 is taken out of the telescopic rod 3, so that the positioning effect of the pressing plate 7 on the motor shell is invalid, and the motor shell can be conveniently and quickly separated from the positioning column 4 and subjected to subsequent machining; after the motor shell is machined, the telescopic rod 3 is pushed to move towards one side far away from the positioning column 4 through the air cylinder 2, the telescopic rod 3 can drive the pressing plate 7 to be far away from the stator 6 through the magnetic plate 17 attracted mutually, so that the stator 6 does not apply acting force on the pressing plate 7 and the fixture block 8 any more, the fixture block 8 can slide into the clamping groove more easily, meanwhile, in the process that the pressing rod 15 is pressed into the inside of the pressing groove 14, the pressing rod 15 can press gas in the pressing groove 14 into the sliding cavity through the piston 18, and the pressing plate 20 in the sliding cavity is pushed to apply acting force on the pressing plate 7, so that the pressing plate 7 can be pushed to be separated from the upper part of the telescopic rod 3 conveniently and quickly; when the stator 6 gradually moves towards one side of the positioning column 4, the stator 6 can attract the pressure block 22, so that the pressure block 22 can extrude the pressing bag 24 while moving towards one side of the stator 6, gas in the pressing bag 24 can be sprayed out through a nozzle while impurities adhered to the surface of the stator 6 are cleaned, meanwhile, the discharge hole 25 formed in the pressing plate 7 facilitates the outflow of the impurities, and after the stator 6 is completely clamped and fixed, the blocking rod 26 on the sliding ring 11 can just stretch into the discharge hole 25 and block the discharge hole, so that the situation that impurities flow into the end part of the motor casing at the position during processing is reduced, and the cleanliness of the interior of the stator 6 is greatly improved; when the pressure cavity 21 enters the stator 6, the pressure block 22 in the pressure cavity 21 pulls the scraping strip 27 to rotate through the pull rope 28 while moving, and the scraping strip 27 is scraped from impurities on the inner wall of the stator 6, and when another pressure cavity 21 in a pair of pressure cavities enters the stator 6, the sliding block of the pressure cavity 21 can drive the scraping strip 27 to swing through the pull rope 28 during moving, so that the cleaning effect of the scraping strip 27 on the inner wall of the stator 6 is further promoted; the air pump 30 can pump air to the air flow channel 29 during operation, when the outer end of the telescopic rod 3 moves towards one side of the positioning column 4, the telescopic rod 3 can drive the communicating grooves 32 to be communicated with the air flow grooves 31 respectively, and the inner end of the pressure cavity 21 is pumped by the air pump 30, so that the pressure block 22 in the pressure cavity 21 can reset under the action of internal air pressure, and then when the telescopic rod 3 continues to move and the air flow grooves 31 are disconnected from the communicating grooves 32, the pressure block 22 can move towards one side close to the stator 6 again, so that the pressure bag 24 can be repeatedly driven to extrude and swing the scraping strip 27, and the cleaning effect of the pressure bag 24 and the scraping strip 27 on the inner part of the stator 6 is better; when the stator 6 is to be completely clamped, the expansion bag 33 on the pressure plate 7 and the slip ring 11 are extruded, and the internal gas is ejected from the gas injection holes, so that impurities on the stator 6 cleaned by the scraping strips 27 can be blown from one side of the positioning column 4, and the cleanness inside the stator 6 is further enhanced; through the arrangement of the forming form of the scraping strip 27, the elastic component 36 can enable the working strip 35 to be pressed on the inner wall of the stator 6 all the time, so that the working area of the scraping strip 27 is greatly increased, meanwhile, the scraping strip 27 can also be extruded by the stator 6 during movement, the working strip 35 is controlled to slide in the sliding groove, the whole length of the scraping strip 27 is adjusted, and further the swinging of the scraping strip 27 can be carried out more stably; the rolling ball 37 at the end of the working bar 35 can reduce the resistance of the working bar 35 when moving on the inner wall of the stator 6, and meanwhile, when the scraping bar 27 slides towards the inside of the sliding groove, the internal gas can be extruded out of the air passage 39, and the gas outlet groove 38 on the rolling ball 37 is directly sprayed on the inner wall of the stator 6, so that the cleaning effect of the scraping bar 27 on the internal impurities of the stator 6 is further improved.
The foregoing illustrates and describes the principles, general features, and advantages of the present 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, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. A motor casing machining clamp convenient to position comprises a rack (1); the method is characterized in that: the motor is characterized in that an air cylinder (2) is installed inside the rack (1), the end part of the air cylinder (2) is connected with a telescopic rod (3), a positioning column (4) is fixedly connected to the outside of the rack (1), the positioning column (4) is connected with the telescopic rod (3) in a sliding mode, the axis of the positioning column is the same as that of the telescopic rod, a convex ring (5) is fixedly connected to the side wall of the positioning column (4), a stator (6) matched with the positioning column (4) is installed inside the motor shell, an annular pressing plate (7) is arranged on one side of the motor shell, sliding grooves are symmetrically formed in the side wall of the free end of the telescopic rod (3), a clamping block (8) is connected inside the sliding grooves in a sliding mode, an inclined extrusion surface (9) is arranged at the outer end, away from the positioning column (4), of the clamping block (8), and an elastic piece (10) is connected between the clamping block (8) and the inner end of the sliding grooves; the novel motor stator is characterized in that a sliding ring (11) made of rubber is sleeved on a telescopic rod (3) at the end part of the positioning column (4), a chamfer is arranged at the end part of the sliding ring (11) far away from the rack (1), a magnetic body (12) is embedded and installed on the inner ring side wall of the sliding ring (11), a magnetic block (13) attracted with the magnetic body (12) is embedded and installed on the side wall of the telescopic rod (3), and when the magnetic block (13) on the telescopic rod (3) moves to the position of the magnetic body (12), the sliding ring (11) can synchronously move along with the telescopic rod (3) under the action of the magnetic block (13) and the magnetic body (12) and is attached to the end part of the stator (6).
2. The motor casing adds clamping apparatus convenient to location of claim 1, characterized in that: the utility model discloses a telescopic link, including the free end of telescopic link (3), indent (14) have been seted up at the free end middle part of telescopic link (3), indent (14) inside sliding connection has depression bar (15), be connected with haulage rope (16) between the lateral wall of depression bar (15) and the inner of fixture block (8), clamp plate (7) are inlayed respectively with telescopic link (3) matched with position department and are installed magnetic sheet (17) that can attract each other.
3. The motor casing adds clamping apparatus convenient to location of claim 2, characterized in that: the inner end of the pressure lever (15) is connected with a piston (18), an elastic block (19) is connected between the piston (18) and the inner end of the pressure groove (14), arc-shaped sliding cavities communicated with the inner end of the pressure groove (14) are symmetrically formed in the side wall of the telescopic rod (3), and a push plate (20) is slidably connected inside the sliding cavities.
4. The motor casing adds clamping apparatus convenient to location of claim 3, characterized in that: be provided with pressure chamber (21) of a plurality of annular equipartition on the lateral wall of reference column (4), the inside sliding connection of pressure chamber (21) has pressure piece (22), pressure piece (22) are made by magnetic material and can attract mutually with stator (6), be connected with elastomer (23) between the inner of pressure piece (22) and pressure chamber (21), the outer end of pressure chamber (21) is connected with respectively presses bag (24), be provided with the nozzle on pressing bag (24), a set of discharge opening (25) have been seted up on the terminal surface of clamp plate (7), one side that sliding ring (11) are close to clamp plate (7) is connected with and seals up stifled pole (26) with discharge opening (25) matched with.
5. The motor casing adds clamping apparatus convenient to location of claim 4, characterized in that: two liang of a set of pressure chamber (21), and be connected with a set of tip through the torsional spring rotation on reference column (4) lateral wall between every group pressure chamber (21) and be rubber material scrape strip (27), and be connected with stay cord (28) respectively between adjacent two scrape strip (27) and the inside pressure block (22) of both sides pressure chamber (21) the inner.
6. The motor casing adds clamping apparatus convenient to location of claim 5, characterized in that: an air flow channel (29) is formed in the telescopic rod (3), an air pump (30) is installed inside the rack (1), an air pipe is connected between the air pump (30) and the air flow channel (29), air flow grooves (31) are formed in the inner ends of the pressure cavities (21) respectively, and communicating grooves (32) capable of being communicated with the air flow grooves (31) are formed in the side wall of the telescopic rod (3).
7. The motor casing adds clamping apparatus convenient to location of claim 6, characterized in that: one end of the pressing plate (7) close to the rack (1) is connected with a telescopic bag (33), and the surface of the telescopic bag (33) is provided with air injection holes.
8. The motor casing adds clamping apparatus convenient to location of claim 7, characterized in that: the scraping strip (27) is composed of a rotating strip (34) at the inner end and a working strip (35) at the outer end, a sliding groove is formed in the free end of the rotating strip (34), and the working strip (35) is located in the sliding groove and connected with an elastic assembly (36) between the inner end of the sliding groove.
9. The motor casing adds clamping apparatus convenient to location of claim 8, characterized in that: the rolling groove has been seted up to the outer end of working strip (35), rolling groove inside rotates and is connected with spin (37), a set of air outlet groove (38) that communicate each other have been seted up to the surface of spin (37), air flue (39) of intercommunication rolling groove have been seted up to working strip (35) the inner.
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| CN202110770560.5A CN113472164B (en) | 2021-07-07 | 2021-07-07 | Motor casing adds clamping apparatus convenient to location |
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| CN202110770560.5A CN113472164B (en) | 2021-07-07 | 2021-07-07 | Motor casing adds clamping apparatus convenient to location |
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| CN113472164B true CN113472164B (en) | 2022-04-05 |
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