CN111872836A - Bearing steel ball surface strengthening processing equipment - Google Patents
Bearing steel ball surface strengthening processing equipment Download PDFInfo
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- CN111872836A CN111872836A CN202010689002.1A CN202010689002A CN111872836A CN 111872836 A CN111872836 A CN 111872836A CN 202010689002 A CN202010689002 A CN 202010689002A CN 111872836 A CN111872836 A CN 111872836A
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- driving
- roller
- bearing steel
- steel ball
- plate
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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
- B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
- B24B31/02—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving rotary barrels
- B24B31/033—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving rotary barrels having several rotating or tumbling drums with parallel axes
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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
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
- B24B1/04—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes subjecting the grinding or polishing tools, the abrading or polishing medium or work to vibration, e.g. grinding with ultrasonic frequency
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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
- B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
- B24B31/02—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving rotary barrels
- B24B31/0212—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving rotary barrels the barrels being submitted to a composite rotary movement
- B24B31/0218—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving rotary barrels the barrels being submitted to a composite rotary movement the barrels are moving around two parallel axes, e.g. gyratory, planetary movement
Abstract
The invention discloses a bearing steel ball surface strengthening processing device which comprises a bottom plate, a strengthening processing device and a reciprocating swing mechanism, wherein the strengthening processing device comprises a case, a horizontal rotating shaft, a rotation driving mechanism, a driving turntable and a driven turntable; the automatic transmission device is characterized in that two rollers parallel to the horizontal rotating shaft are arranged between the driving turntable and the driven turntable, a driving roller shaft is arranged between each roller and the driving turntable, a driven roller shaft is arranged between each roller and the driven turntable, a planetary transmission mechanism is arranged between the horizontal rotating shaft and the driving roller shaft and comprises a first driving gear, a second driven gear and a transmission gear assembly, and the transmission gear assembly comprises a transmission rotating shaft, a first driven gear and a second driving gear. The equipment can not only improve the strengthening processing speed of the bearing steel ball, but also ensure the consistency of the strengthening processing of the bearing steel ball and the bearing steel ball as well as the bearing steel ball.
Description
Technical Field
The invention relates to the technical field of bearing steel ball strengthening processing, in particular to bearing steel ball surface strengthening processing equipment.
Background
The bearing steel ball is a part for industrial production, belongs to the most critical part in a bearing, and the geometric parameters and the physical properties of the bearing steel ball directly influence the performance, level, quality and reliability of the bearing. In addition to the basic requirements of bearing steel, such as "high contact fatigue strength, high wear resistance, high elastic limit, and high hardness", in terms of material characteristics, the most important requirements of a bearing steel ball are the consistency of the material at each point on the surface of the bearing steel ball and the consistency of the material between the bearing steel ball and the bearing steel ball. The bearing steel ball is in point contact in mechanical characteristics, so that the contact stress load is high; in addition, the rotation speed is much higher than that of the ferrule, so the number of stress cycles is large. The bearing steel balls are numerically characterized in that only one inner bearing ring and one outer bearing ring are arranged in a single bearing, and the number of the bearing steel balls is large; the production batch is far larger than the quantity of the inner bearing ring and the outer bearing ring, the processing efficiency is required to be particularly high, and the processing consistency is very good.
Based on the characteristics of the bearing steel ball, the current processing method comprises the steps of blank, rough processing, heat treatment, rough and hard grinding, strengthening processing, fine grinding and grinding, wherein the strengthening processing is an important means for improving the strengthening of the bearing steel ball. In the prior art, a centrifugal roller is adopted, a lifting plate and a rotary ball hitting rotating plate are arranged in the centrifugal roller, so that bearing steel balls are randomly impacted in the centrifugal roller to be mechanically strengthened and machined, but the bearing steel balls have the following defects in the strengthening machining process:
1. the strengthening processing efficiency is not high. The bearing steel ball is required to be machined uniformly at equal probability for each point of the spherical surface, and the production batch is large, so the machining is troublesome. If the rotating speed of the roller is too high, even if a rotary ball hitting rotating plate is additionally arranged in the middle of the roller, the bearing steel ball is tightly attached to the inner wall of the roller under the action of centrifugal force, and when the highest point of the roller is reached, the bearing steel ball cannot fall down, so that the strengthening processing efficiency is influenced. At present, a large-point bearing steel ball can only be strengthened by the impact generated by self-weight fall-back in a roller, while a small-point bearing steel ball is strengthened by the impact of a plurality of ball hitting rotating plates rotating in the middle on the bearing steel ball, but the impact is not all participated by all the ball hitting rotating plates at the same time, but the single plate impacts the bearing steel ball one by one to influence the strengthening efficiency. In addition, since the capacity of the single drum reinforcement is limited and the processing efficiency is also affected, the reinforcement time is often 4 hours or more.
2. The consistency of the strengthening process is not high. The impact of the single plate on the bearing steel balls one by one not only affects the strengthening processing efficiency, but also affects the consistency of the strengthening processing of the bearing steel balls, and the consistency of the bearing steel balls can be ensured only by more times of the surface impact circulation of the bearing steel balls; in addition, because single-roller reinforcement is adopted, the amount of the bearing steel balls reinforced at one time is limited, and the hardness, Young modulus, residual compressive stress, surface roughness, bearing steel ball crushing load and the like of the reinforced layer of each barrel of bearing steel balls are easy to generate difference after multiple times of reinforcement, so that the reinforcement consistency of the bearing steel balls is poor.
Disclosure of Invention
The invention aims to overcome the existing problems and provide the bearing steel ball surface strengthening processing equipment which not only can improve the strengthening processing speed of the bearing steel ball, but also can ensure the consistency of the strengthening processing of the bearing steel ball.
The purpose of the invention is realized by the following technical scheme:
a bearing steel ball surface strengthening processing device comprises a bottom plate, a strengthening processing device arranged on the bottom plate and used for strengthening processing of the surface of a bearing steel ball, and a reciprocating swing mechanism arranged at the lower end of the bottom plate and used for driving the strengthening processing device to swing back and forth; wherein the content of the first and second substances,
the strengthening processing device comprises a case arranged on the bottom plate, a horizontal rotating shaft rotationally arranged on the case, a rotation driving mechanism for driving the horizontal rotating shaft to rotate, a driving turntable and a driven turntable which are respectively and fixedly arranged at two ends of the horizontal rotating shaft;
two rollers parallel to the horizontal rotating shaft are arranged between the driving turntable and the driven turntable, a driving roller shaft is arranged between each roller and the driving turntable, one end of each driving roller shaft is rotatably connected with the driving turntable, and the other end of each driving roller shaft is fixedly connected with the end face of the corresponding roller; a driven roller shaft is arranged between each roller and the driven turntable, one end of the driven roller shaft is rotatably connected with the driven turntable, and the other end of the driven roller shaft is fixedly connected with the end surface of the roller;
the planetary transmission mechanism comprises a first driving gear, a second driven gear and a transmission gear assembly, the first driving gear is arranged on the horizontal rotating shaft, the second driven gear is arranged on the driving roller shaft, the transmission gear assembly is arranged between the first driving gear and the second driven gear, the transmission gear assembly is parallel to the horizontal rotating shaft and is rotatably arranged on the driving turntable, the first driven gear is arranged on the transmission rotating shaft and is meshed with the first driving gear, and the second driving gear is arranged on the transmission rotating shaft and is meshed with the second driven gear.
The working principle of the bearing steel ball surface strengthening processing equipment is as follows:
when the device works, firstly, bearing steel balls are thrown into the rollers, then the rotation driving mechanism drives the horizontal rotating shaft to rotate, and simultaneously the driving turntable and the driven turntable are driven to rotate, so that the two rollers are driven to rotate around the horizontal rotating shaft, the horizontal rotating shaft also drives the first driving gear to rotate, and the second driven gear is driven to rotate through the transmission of the first driven gear and the second driving gear, so that the driving roller shaft is driven to rotate, and further the rollers are driven to rotate; the two rollers rotate around the horizontal rotating shaft to perform revolution, the rollers rotate to perform rotation, and meanwhile, the reciprocating swing mechanism drives the strengthening processing device to perform reciprocating swing so as to drive the steel balls in the rollers to perform reciprocating swing.
Make two cylinders in the rotation under planetary drive's effect, can also carry out the revolution along horizontal rotating shaft, including reciprocal wabbler mechanism drive cylinder reciprocal swing, the bearing steel ball in the cylinder receives gravity, centrifugal force and pendulum power, make the bearing steel ball make the miscellaneous motion again in the cylinder, thereby can improve the collision probability of bearing steel ball in the cylinder, the efficiency of processing is reinforceed in the improvement, in addition, along with the improvement of bearing steel ball collision probability, make bearing steel ball surface impact cycle number of times constantly increase, even collision can be realized in each place of bearing steel ball surface, thereby improve the uniformity of strengthening the processing.
In a preferred embodiment of the present invention, the roller is provided with a bearing steel ball strengthening mechanism for promoting the bearing steel balls to move in the roller so as to increase the collision probability between the bearing steel balls.
Preferably, the bearing steel ball strengthening mechanism is a lifting mechanism, the lifting mechanism comprises a lifting plate arranged in the roller and Z-shaped rockers symmetrically arranged at two ends of the lifting plate, one end of the driving roller shaft extends into the roller and is connected with the head end of one of the Z-shaped rockers, and the tail end of the Z-shaped rocker is fixedly connected with the head end of the lifting plate; the head end of the other Z-shaped rocker is rotatably connected with the inner end surface of the roller, and the tail end of the Z-shaped rocker is fixedly connected with the tail end of the lifting plate; the width of the lifting plate is less than the diameter of the drum.
Preferably, a power transmission mechanism for transmitting the power of the driving roller shaft to the Z-shaped rocker is arranged between the driving roller shaft and the Z-shaped rocker, a partition is arranged in the roller and divides the interior of the roller into a transmission cavity and a strengthening cavity, the lifting mechanism is positioned in the strengthening cavity, the power transmission mechanism is positioned in the transmission cavity and comprises a third driving gear, a power transmission rotating shaft, a third driven gear, a fourth driving gear and a fourth driven gear, wherein the head end of the Z-shaped rocker penetrates through the partition and is connected with the fourth driven gear, the Z-shaped rocker is rotatably connected to the partition, the third driving gear is arranged on the driving roller shaft, the power transmission rotating shaft is parallel to the driving roller shaft and is rotatably arranged on the inner end surface of the roller, the third driven gear is arranged on the power transmission rotating shaft and meshed with the third driving gear, and the fourth driving gear is arranged on the power transmission rotating shaft and meshed with the fourth driven gear.
Preferably, the bearing steel ball strengthening mechanism is an ultrasonic vibration mechanism, the ultrasonic vibration mechanism comprises a vibration plate arranged in the roller, an ultrasonic generator and a plurality of ultrasonic vibrators arranged at the lower end of the vibration plate, a baffle is arranged in the roller, the baffle divides the interior of the roller into a mounting cavity and a strengthening processing cavity, the ultrasonic generator is arranged in the mounting cavity, the vibration plate and the ultrasonic vibrators are arranged in the strengthening processing cavity, and the plurality of ultrasonic vibrators are connected with the ultrasonic generator through high-frequency lines.
Preferably, the cylinder wall of the roller is provided with mounting grooves at positions corresponding to two sides of the vibration plate, two sides of the vibration plate extend into the mounting grooves, a plurality of springs are arranged at the upper end and the lower end of the vibration plate, and the vibration plate is abutted between the upper surface and the lower surface of the mounting groove by the springs.
Furthermore, an elastic sealing gasket is arranged between the upper surface of the vibration plate and the upper surface of the mounting groove, the upper end of the elastic sealing gasket acts on the upper surface of the mounting groove, and the lower end of the elastic sealing gasket acts on the upper surface of the vibration plate.
Further, the ultrasonic vibrator comprises an ultrasonic transducer and an amplitude transformer connected with the ultrasonic transducer, a rod head of the amplitude transformer is connected to the lower surface of the vibrating plate, and the high-frequency line is connected to the ultrasonic transducer.
Furthermore, a strengthening layer and a micro-texture layer are arranged on the upper surface of the vibrating plate.
Preferably, the rotation driving mechanism comprises a rotation driving motor arranged on the bottom plate and a rotation transmission mechanism for transmitting the power of the rotation driving motor to the horizontal rotating shaft, wherein the rotation transmission mechanism comprises a first bevel gear arranged on the rotation driving motor, a second bevel gear meshed with the first bevel gear, a driving pulley coaxially arranged with the second bevel gear, a driven pulley arranged on the horizontal rotating shaft, and a belt arranged between the driving pulley and the driven pulley, one end of the belt is connected with the driving pulley, and the other end of the belt is connected with the driven pulley.
In a preferred aspect of the present invention, the reciprocating swing mechanism includes a base disposed below the bottom plate, a first swing plate disposed between the base and the bottom plate, a second swing plate, and a swing driving mechanism for driving the first swing plate to swing; the first swinging plate and the second swinging plate are distributed at two ends of the base, the upper end of the first swinging plate is hinged with the bottom plate, and the lower end of the first swinging plate is hinged with the base; the upper end of the second swinging plate is hinged with the bottom plate, and the lower end of the second swinging plate is hinged with the base; the length of the first swing plate is smaller than the length of the second swing plate.
Preferably, the swing driving mechanism comprises a swing driving motor arranged on the base, a third bevel gear, a fourth bevel gear, a disc, a pin shaft and a rocker, wherein the third bevel gear is arranged on a spindle of the swing driving motor, the fourth bevel gear and the disc are coaxially arranged on the base through a supporting block, the fourth bevel gear is meshed with the third bevel gear, the pin shaft is arranged at an eccentric position of the disc, the upper end of the first swing plate is hinged to the lower end of the bottom plate through a supporting shaft fixedly connected with the first swing plate, one end of the rocker is vertically and fixedly connected with the supporting shaft, a sliding groove in sliding fit with the pin shaft is arranged on the rocker, and the sliding groove extends along the axial direction of the rocker.
Preferably, the roller is provided with an air inlet hole for introducing inert gas.
Preferably, the planetary transmission mechanism is a speed increasing mechanism, and the power transmission mechanism is a speed reducing mechanism.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the planetary transmission mechanism and the reciprocating swing mechanism are arranged, so that the two rollers can revolve along the horizontal rotating shaft while rotating, the reciprocating swing mechanism drives the rollers to swing in a reciprocating manner, and the bearing steel balls in the rollers are subjected to gravity, centrifugal force and swing power, so that the bearing steel balls move in the rollers repeatedly and complexly, the collision probability of the bearing steel balls in the rollers can be improved, and the strengthening processing efficiency is improved.
2. According to the invention, with the improvement of the collision probability of the bearing steel ball, the number of times of impact cycle on the surface of the bearing steel ball is continuously increased, and each place on the surface of the bearing steel ball can realize uniform collision, thereby improving the consistency of strengthening processing.
3. In the invention, 2 rollers are arranged, so that the strengthening quantity of the disposable bearing steel balls can be increased, and the strengthening processing efficiency is greatly improved.
4. In the preferred scheme of the invention, by arranging the lifting mechanism, when the rotation driving mechanism drives the horizontal rotating shaft to move, the planetary transmission mechanism drives the driving roller shaft to move under the action of the planetary transmission mechanism, so that the rotation and the revolution of the roller are realized, steel balls in the roller are strengthened, meanwhile, the rotation of the driving roller shaft drives the Z-shaped rocker to rotate, the lifting plate is further driven to move up and down in the roller and rotate around the axis of the roller, the volume in the roller can be divided in the reciprocating up and down movement and rotation process of the lifting plate, so that the volume in the roller is continuously changed, the probability of collision impact of the bearing steel balls is further increased, and the collision impact between the lifting plate and the bearing steel balls can also strengthen the bearing steel balls, thereby improving the strengthening processing efficiency and the strengthening processing consistency.
5. In the preferred scheme of the invention, the ultrasonic vibration mechanism is arranged, when the ultrasonic vibrator acts on the vibration plate, the vibration plate continuously generates high-frequency vibration to continuously collide the bearing steel balls, and meanwhile, the roller continuously rotates and revolves, so that the collision impact probability of the bearing steel balls is further improved, and the strengthening processing efficiency and the strengthening processing consistency are improved.
6. In the preferred scheme of the invention, the air inlet is arranged on the roller, before the bearing steel ball is subjected to strengthening processing, inert gases such as nitrogen and the like are introduced into the roller from the air inlet, the surface layer is protected when the balls collide with each other, and the conditions such as friction, high temperature and the like generated during centrifugal collision of the bearing steel ball can enable the surface of the bearing steel ball to generate nitrogen atom permeation or generate friction chemical reaction, so that a nitrogen-rich strengthening layer is formed, and the mechanical physical property of the surface strengthening layer of the bearing steel ball is greatly improved; the method effectively solves the problems that the prior art has single means for reinforcing the bearing steel ball and the mechanical and physical properties of the surface of the bearing steel ball cannot meet the ideal requirements.
Drawings
Fig. 1-2 are schematic structural views of a first embodiment of a bearing steel ball surface strengthening processing device in the invention, wherein fig. 1 is a perspective view, and fig. 2 is a front view.
FIG. 3 is a front view of the strengthening device of the present invention without the door panel.
Fig. 4 is a perspective view of the reinforcement processing device of the present invention without the cabinet.
Fig. 5 is a partial enlarged view of a portion a in fig. 4.
Fig. 6 is a schematic perspective view of the drum and planetary transmission mechanism according to the present invention.
Fig. 7 is a schematic perspective view of the inner lifting mechanism of the drum according to the present invention, wherein the first sealing cover and the second sealing cover are omitted from the drum.
Fig. 8 is a schematic perspective view of the lifting mechanism of the present invention.
Fig. 9 and 11 are schematic structural views of the reciprocating and rocking mechanism of the present invention, wherein fig. 9 is a front view, fig. 10 is a perspective view, and fig. 11 is a perspective view of another viewing direction with the bottom plate omitted.
Fig. 12 to 17 are schematic structural views of another embodiment of the bearing steel ball reinforcing mechanism according to the present invention, wherein fig. 12 is a perspective view of an ultrasonic vibration mechanism inside a drum, in which a first sealing cover and a second sealing cover are omitted, fig. 13 is a front view of fig. 12, fig. 14 is a sectional view at B-B in fig. 13, fig. 15 is a partially enlarged view at C in fig. 14, fig. 16 is a perspective view of the ultrasonic vibration mechanism, and fig. 17 is a perspective view of the ultrasonic vibration mechanism at another view angle direction.
Detailed Description
In order to make those skilled in the art understand the technical solutions of the present invention well, the following description of the present invention is provided with reference to the embodiments and the accompanying drawings, but the embodiments of the present invention are not limited thereto.
Example 1
Referring to fig. 1-2, the embodiment discloses a bearing steel ball surface strengthening processing apparatus, which includes a bottom plate 1, a strengthening processing device disposed on the bottom plate 1 and used for strengthening the surface of a bearing steel ball, and a reciprocating swing mechanism disposed at the lower end of the bottom plate 1 and used for driving the strengthening processing device to swing back and forth.
Referring to fig. 1-3 and 6, the strengthening processing device includes a chassis 2 disposed on the bottom plate 1, a horizontal rotating shaft 3 rotatably disposed on two ends of the chassis 2 through bearings, a rotation driving mechanism 6 for driving the horizontal rotating shaft 3 to rotate, a driving turntable 4 and a driven turntable 5 fixedly disposed on two ends of the horizontal rotating shaft 3, respectively; two rollers 7 parallel to the horizontal rotating shaft 3 are arranged between the driving turntable 4 and the driven turntable 5, a driving roller shaft 8 is arranged between each roller 7 and the driving turntable 4, one end of each driving roller shaft 8 is rotatably connected with the driving turntable 4 through a bearing, and the other end of each driving roller shaft is fixedly connected with the end face of the corresponding roller 7; a driven roller shaft 9 is arranged between each roller 7 and the driven turntable 5, one end of the driven roller shaft 9 is rotatably connected with the driven turntable 5 through a bearing, and the other end of the driven roller shaft 9 is fixedly connected with the end face of the roller 7; a planetary transmission mechanism 10 for transmitting the power of the horizontal rotating shaft 3 to the driving drum shaft 8 is arranged between the horizontal rotating shaft 3 and the driving drum shaft 8, the planetary transmission mechanism 10 comprises a first driving gear 10-1 arranged on the horizontal rotating shaft 3, a second driven gear 10-2 arranged on the driving drum shaft 8 and a transmission gear assembly arranged between the first driving gear 10-1 and the second driven gear 10-2, the transmission gear assembly comprises a transmission rotating shaft 10-3 which is parallel to the horizontal rotating shaft 3 and is rotatably arranged on the driving turntable 4 through a bearing, a first driven gear 10-4 arranged on the transmission rotating shaft 10-3 and meshed with the first driving gear 10-1 and a second driving gear 10-5 arranged on the transmission rotating shaft 10-3 and meshed with the second driven gear 10-2. Furthermore, the planetary transmission mechanism 10 is a speed increasing mechanism, and the number of teeth of the first driving gear 10-1 is greater than that of the first driven gear 10-4; the number of teeth of the second driving gear 10-5 is greater than that of the second driven gear 10-2. The planetary transmission mechanism 10 can enable the roller 7 to obtain different rotation speeds and revolution speeds, the optimal surface strengthening layer can be obtained by adjusting the ratio of the rotation speed to the revolution speed, and the planetary transmission mechanism 10 is a speed increasing mechanism, so that the rotation speed of the roller 7 can be improved, and the strengthening efficiency of the steel balls can be improved.
And a bearing steel ball strengthening mechanism for promoting the bearing steel balls to move in the roller 7 so as to improve the collision probability among the bearing steel balls is arranged in the roller 7. The bearing steel ball strengthening mechanism can improve the random collision probability among the bearing steel balls, so that the surface of the bearing steel balls is further strengthened and processed.
Referring to fig. 7-8, the bearing steel ball strengthening mechanism is a lifting mechanism 11, the lifting mechanism 11 includes a lifting plate 11-1 disposed in the drum 7, and "Z" -shaped rockers 11-2 symmetrically disposed at two ends of the lifting plate 11-1, one end of the driving drum shaft 8 extends into the drum 7 and is connected with a head end of one of the "Z" -shaped rockers 11-2, and a tail end of the "Z" -shaped rocker 11-2 is fixedly connected with a head end of the lifting plate 11-1; the head end of another Z-shaped rocker 11-2 is rotatably connected with the inner end surface of the roller 7, and the tail end of the Z-shaped rocker 11-2 is fixedly connected with the tail end of the lifting plate 11-1; the width of the lifting plate 11-1 is smaller than the diameter of the drum 7. By adopting the structure, when the rotation driving mechanism 6 drives the horizontal rotating shaft 3 to move, the planetary transmission mechanism 10 drives the driving roller shaft 8 to move to realize the rotation and revolution of the roller 7, when reinforcing the steel balls in the roller 7, the rotation of the driving roller shaft 8 drives the Z-shaped rocker 11-2 to rotate, thereby driving the lifting plate 11-1 to move up and down in the roller 7 and rotate around the axis of the roller 7 in the roller 7, during the reciprocating up and down movement and rotation of the lifting plate 11-1, the volume inside the drum 7 can be divided, so that the volume inside the drum 7 is constantly changed, therefore, the probability of collision impact of the bearing steel balls is further increased, and the collision impact between the lifting plate 11-1 and the bearing steel balls can also strengthen the bearing steel balls, so that the strengthening processing efficiency and the strengthening processing consistency are improved.
Referring to fig. 7-8, a power transmission mechanism for transmitting power of the driving roller shaft 8 to the Z-shaped rocker 11-2 is disposed between the driving roller shaft 8 and the Z-shaped rocker 11-2, a partition 12 is disposed in the roller 7, the partition 12 divides the inside of the roller 7 into a transmission chamber 13 and a strengthening chamber 14, the lifting mechanism 11 is disposed in the strengthening chamber 14, the power transmission mechanism is disposed in the transmission chamber 13, the power transmission mechanism includes a third driving gear 11-3, a power transmission rotating shaft 11-4, a third driven gear 11-5, a fourth driving gear 11-6 and a fourth driven gear 11-7, wherein a head end of the Z-shaped rocker 11-2 passes through the partition 12 to be connected with the fourth driven gear 11-7, and the Z-shaped rocker 11-2 passes through a bearing, The sealing ring and the felt sealing gasket are rotatably connected to the partition plate 12, the third driving gear 11-3 is arranged on the driving roller shaft 8, the power transmission rotating shaft 11-4 is parallel to the driving roller shaft 8 and is rotatably arranged on the inner end face of the roller 7 through a bearing, the third driven gear 11-5 is arranged on the power transmission rotating shaft 11-4 and is meshed with the third driving gear 11-3, and the fourth driving gear 11-6 is arranged on the power transmission rotating shaft 11-4 and is meshed with the fourth driven gear 11-7. By adopting the structure, on one hand, the up-and-down movement speed of the lifting plate 11-1 can be changed by arranging the power transmission mechanism, so that the collision impact probability of the bearing steel balls can be improved; on the other hand, through the arrangement of the partition plate 12, the bearing steel ball can be strengthened in the strengthening cavity 14, and the bearing steel ball is effectively prevented from entering the transmission cavity 13 in the strengthening process, so that the bearing steel ball and the gear are damaged. Materials such as steel balls are prevented from entering the bearing through the sealing ring and the felt sealing gasket, and the sealing performance of the opening of the roller 7 can be improved.
Furthermore, the bearing fixedly connected with the Z-shaped rocker 11-2 is a sliding bearing, and the sliding bearing has better sealing performance.
The inner wall of the roller 7, the surface of the lifting plate 11-1 and the surface of the Z-shaped rocker 11-2 are respectively provided with a strengthening layer, and the strengthening layers can prevent the bearing steel balls from damaging or losing the inner wall of the roller 7, the surface of the lifting plate 11-1 and the surface of the Z-shaped rocker 11-2 due to overlarge collision and impact.
The power transmission mechanism is a speed reducing mechanism. By adopting the structure, the bearing steel ball can obtain the optimal processing parameters in the roller 7, and the mechanical and physical properties of the surface of the bearing steel ball are better improved.
Referring to fig. 1 to 5, the rotation driving mechanism 6 includes a rotation driving motor 6-1 disposed on the base plate 1 and a rotation transmission mechanism for transmitting the power of the rotation driving motor 6-1 to the horizontal rotation shaft 3, wherein the rotation transmission mechanism includes a first bevel gear 6-2 disposed on the rotation driving motor 6-1, a support base 6-3 disposed on the base plate 1, a first transmission shaft 6-4 rotatably disposed between the support base 6-3 and the cabinet 2 through a bearing, a second bevel gear 6-5 disposed on the first transmission shaft 6-4 and engaged with the first bevel gear 6-2, a driving pulley 6-6 disposed on the first transmission shaft 6-4, a driven pulley 6-7 disposed on the horizontal rotation shaft 3, and a belt pulley disposed between the driving pulley 6-6 and the driven pulley 6-7 And one end of the belt 6-8 is connected with the driving belt wheel 6-6, and the other end of the belt 6-8 is connected with the driven belt wheel 6-7. By adopting the structure, the rotating motor drives the first bevel gear 6-2 to rotate, drives the second bevel gear 6-5 to rotate together with the driving belt wheel 6-6, then drives the driven belt wheel 6-7 to rotate through the belt 6-8, and finally realizes the rotation of the horizontal rotating shaft 3.
Further, the rotation driving motor 6-1 is an electromagnetic speed regulating motor, and the electromagnetic speed regulating motor has a large speed regulating range and a large starting torque.
Referring to fig. 1-2 and 9-11, the reciprocating swing mechanism includes a base 15 disposed below the base plate 1, a first swing plate 16 disposed between the base 15 and the base plate 1, a second swing plate 17, and a swing driving mechanism 18 for driving the first swing plate 16 to swing; the first swinging plate 16 and the second swinging plate 17 are distributed at two ends of the base 15, the upper end of the first swinging plate 16 is hinged with the bottom plate 1, and the lower end is hinged with the base 15; the upper end of the second swinging plate 17 is hinged with the bottom plate 1, and the lower end is hinged with the base 15; the length of the first swing plate 16 is smaller than the length of the second swing plate 17. By adopting the structure, because the length of the first swinging plate 16 is smaller than that of the second swinging plate 17, when the swinging driving mechanism 18 drives the first swinging plate 16 to swing, the second swinging plate 17 is driven to swing at the same time, and then the bottom plate 1 is driven to swing, and finally the swinging motion of the strengthening processing device is realized; in the steel ball strengthening processing process, the roller 7 is driven to swing by the reciprocating swing mechanism while the roller 7 rotates and revolves, so that the steel balls perform complex motion in the roller 7, the probability of random collision on the processing surface of the bearing steel ball is improved, and the strengthening processing efficiency and the strengthening processing consistency are improved.
Further, the lower end of the bottom plate 1 and the upper end of the base 15 are both provided with a hinge seat 19, and the first swing plate 16 and the second swing plate 17 are both hinged to the bottom plate 1 and the base 15 through the hinge seats 19.
Referring to fig. 1-2 and 9-11, the swing driving mechanism 18 includes a swing driving motor 18-1, a third bevel gear 18-2, a fourth bevel gear 18-3, a disk 18-4, a pin 18-5 and a rocker 18-6, which are disposed on a base 15, wherein the third bevel gear 18-2 is disposed on a main shaft of the swing driving motor 18-1, two supporting blocks 18-7 are disposed on the base 15, a second transmission shaft 18-8 is rotatably disposed on the two supporting blocks 18-7 through bearings, the fourth bevel gear 18-3 and the disk 18-4 are both disposed on the second transmission shaft 18-8, the fourth bevel gear 18-3 is engaged with the third bevel gear 18-2, the pin 18-5 is disposed on an eccentric position of the disk 18-4, the upper end of the first swinging plate 16 is hinged on a hinge seat 19 of the bottom plate 1 through a support shaft 18-9 fixedly connected with the first swinging plate 16, one end of the rocker 18-6 is vertically and fixedly connected with the support shaft 18-9, a sliding groove 18-61 mutually matched with the pin shaft 18-5 in a sliding way is arranged on the rocker 18-6, and the sliding groove 18-61 extends along the axial direction of the rocker 18-6. By arranging the mechanism, the swing driving motor 18-1 drives the third bevel gear 18-2 to rotate, the fourth bevel gear 18-3 and the disc 18-4 are driven to rotate together, the pin shaft 18-5 rotates along the center of the turntable, so that the rocker 18-6 is driven to rotate along the supporting shaft 18-9, the first swing plate 16 swings back and forth around the joint of the lower end of the first swing plate 16 under the action of the sliding groove 18-61, and finally the back and forth swing of the strengthening processing device is realized.
Referring to fig. 3 to 4, the drum 7 is provided with an air inlet 7-3 for introducing inert gas. As the prior art has single means for reinforcing the bearing steel ball, only mechanical impact reinforcement is adopted, the controllability is poor, and over-reinforcement and under-reinforcement are easy to generate; the mechanical and physical properties of the surface of the bearing steel ball can not meet the ideal requirements, and in addition, the roughness is higher, so that the trouble of remapping errors is brought to the subsequent processing, and the consistency of the bearing steel ball is influenced; through the arrangement of the air inlet 7-3, before the bearing steel ball is subjected to strengthening processing, inert gases such as nitrogen and the like are introduced into the roller 7 from the air inlet 7-3, the surface layer of the bearing steel ball is protected when the bearing steel balls collide with each other, the surface oxidation of the bearing steel ball is prevented, and the conditions such as friction, high temperature and the like generated when the bearing steel balls collide in a centrifugal mode can enable the surface of the bearing steel ball to have nitrogen atom permeation or have tribochemical reaction, so that a nitrogen-rich strengthening layer is formed, and the mechanical physical property of the surface strengthening layer of the bearing steel ball is greatly improved.
Specifically, an air extractor and a nitrogen generator are arranged on the bottom plate 1, the air extractor is used for extracting redundant air in the roller 7, then the nitrogen generator is used for producing nitrogen, the nitrogen is introduced into the roller 7 through the air inlet 7-3, and the nitrogen is ensured to be completely inside the roller 7, so that the surface of the bearing steel ball can be prevented from being oxidized in the machining process.
Referring to fig. 1 to 2, a door 2-1 for closing and opening the cabinet 2 is further provided on the cabinet 2. Through the arrangement of the door plate 2-1, the bearing steel balls can play a role in safety in the strengthening process, and in addition, the equipment is convenient to overhaul.
Referring to fig. 3 and 4, a first sealing cover 7-1 for sealing the drum 7 after the bearing steel ball is placed into the drum 7 is arranged on the wall of the strengthening chamber 14, and the first sealing cover 7-1 is arranged to facilitate the placement of the bearing steel ball into the drum 7 and the removal of the bearing steel ball from the drum 7, and is also beneficial to playing a sealing role in the strengthening process of the bearing steel ball and preventing the bearing steel ball from falling from the drum 7.
Referring to fig. 3 and 4, the second sealing cover 7-3 is arranged on the wall of the transmission cavity 13, and the power transmission mechanism in the transmission cavity 13 can be conveniently overhauled and maintained by arranging the second sealing cover 7-3.
Referring to fig. 3, the horizontal rotation shaft 3 is composed of a first horizontal rotation shaft 3-1 and a second horizontal rotation shaft 3-2.
The rotation speed of the driving turntable 4 (i.e., the revolution speed of the drum 7), the rotation speed of the drum 7, and the rotation speed of the lift plate 11-1 are determined according to the following formulas:
the transmission ratio of the rotation driving mechanism 6 is as follows:
in the formula iDrive theExpressed as the transmission ratio, i, of the rotary drive 6Bevel gearExpressed as the transmission ratio between the second bevel gear 6-5 and the first bevel gear 6-2, iBelt wheelExpressed as the transmission ratio between the driven pulley 6-7 and the driving pulley 6-6, zCone 1Expressed as the number of teeth, z, of the first bevel gear 6-2Cone 1Expressed as the number of teeth of the second bevel gear 6-5, dBelt 1Expressed as the pitch diameter of the driving pulley 6-6, dBelt 2Indicated as the pitch diameter of the driven pulley 6-7.
The transmission ratio of the planetary transmission mechanism 10 is:
in the formula iPlanetDenoted as the transmission ratio, i, of the planetary gear 1011Expressed as the transmission between the number of teeth of the first driven gear 10-4 and the number of teeth of the first driving gear 10-1Ratio, i22Expressed as a gear ratio between the number of teeth of the second driven gear 10-2 and the number of teeth of the second driving gear 10-5, z1Expressed as the number of teeth of the first drive gear 10-1, z1Expressed as the number of teeth of the first driven gear 10-4, z2Expressed as the number of teeth of the second drive gear 10-5, z2Indicated as the number of teeth of the second driven gear 10-2.
The transmission ratio of the lifting mechanism 11 is as follows:
in the formula iLifting ofExpressed as the transmission ratio, i, of the lifting mechanism 1133Expressed as a gear ratio between the number of teeth of the third driven gear 11-5 and the number of teeth of the third driving gear 11-3, i44Expressed as a gear ratio between the number of teeth of the fourth driven gear 11-7 and the number of teeth of the fourth driving gear 11-6, z3Is the number of teeth of the third driving gear 11-3, z3Number of teeth of the third driven gear 11-5, z4Is the number of teeth of the fourth driving gear 11-6, z4The number of teeth of the fourth driven gear 11-7.
The rotation driving mechanism 6 and the planetary transmission mechanism 10 are speed increasing mechanisms, so that iDrive the＜1、iPlanetLess than 1; the lifting mechanism 11 is a speed reducing mechanism, so iLifting ofIs more than 1; suppose the rotation speed of the electromagnetic speed regulating motor is nElectric powerThe revolution speed of the drum 7 is then:
the rotation speed of the drum 7 is:
the rotation speed of the lift plate 11-1 is:
therefore, the temperature of the molten metal is controlled,
the optimal processing parameters can be obtained by researching the influence rule of the processing parameters such as the revolution speed and the rotation speed of the roller 7, the rotation speed of the lifting plate 11-1 and the like on the mechanical and physical properties of the surface of the bearing steel ball, so that the bearing steel ball can obtain the optimal mechanical and physical properties of the surface.
Further, the lengths of the first and second swing plates 16 and 17 are calculated by the following formulas:
wherein, the parameters are all parameters when the bottom plate 1 and the base 15 are parallel to each other1Expressed as the length, l, of the first swing plate 162Expressed as the length, h, of the second swing plate 171Expressed as the height between the base plate 1 and the foot 15, b1Expressed as the horizontal distance between the upper end of the first swing plate 16 and the lower end of the first swing plate 16, b2The horizontal distance between the upper end of the second swing plate 17 and the lower end of the second swing plate 17. By calculating the lengths of the first swinging plate 16 and the second swinging plate 17 and obtaining different swinging forces according to different swinging amplitudes of the roller 7, the influence rule on the mechanical and physical properties of the surface of the bearing steel ball is further researched to obtain the optimal length ratio of the first swinging plate 16 to the second swinging plate 17, so that the bearing steel ball can obtain the optimal mechanical and physical properties of the surface.
Referring to fig. 9, the mounting position of the pin 18-5 on the disc 18-4, the radius of the pin 18-5, the length and width of the sliding groove 18-61 of the rocker 18-6, and the mounting position of the center of the disc 18-4 may be determined according to the following parameters:
m1＞2r1+2r2；
m2+2(m3-r2-r3)＝2r1；
2r2＜m3；
m4＞m5；
in the formula, m1Indicated as the length, m, of the sliding groove 18-61 of the rocker 18-62Expressed as a height difference between the lowermost position and the uppermost position at which the first swing plate 16 swings, m3Width, m, of sliding groove 18-61 indicated as rocker 18-64Expressed as a horizontal distance, m, of one side of the sliding groove 18-61 of the rocking bar 18-6 from the center of the disc 18-4 when the center of the supporting shaft 18-9 is on the same horizontal plane as the center of the disc 18-45Horizontal distance, r, of the center of the pin shaft 18-5 from the center of the disc 18-4 when the center of the support shaft 18-9 and the center of the disc 18-4 are on the same horizontal plane1Is the distance (i.e., m) from the center of the disk 18-4 to the center of the pin 18-55＝r1)，r2Is the radius of the pin shaft 18-5, r3The radius of the support shaft 18-9. The condition of the formula is met, the locking caused by insufficient distance or length between the pin shaft 18-5 and the rocker 18-6 when the disc 18-4 rotates can be avoided, and the reciprocating swing mechanism can smoothly do reciprocating swing motion.
Referring to fig. 1 to 6, the working principle of the bearing steel ball surface strengthening processing equipment is as follows:
when the device works, firstly, bearing steel balls are put into the rollers 7, then the rotary driving mechanism 6 drives the horizontal rotating shaft 3 to rotate, and simultaneously drives the driving turntable 4 and the driven turntable 5 to rotate, so that the two rollers 7 are driven to rotate around the horizontal rotating shaft 3, the horizontal rotating shaft 3 also drives the first driving gear 10-1 to rotate, and the second driven gear 10-2 is driven to rotate through the transmission of the first driven gear 10-4 and the second driving gear 10-5, so that the driving roller shaft 8 is driven to rotate, and the rollers 7 are driven to rotate; the two rollers 7 rotate around the horizontal rotating shaft 3 as revolution, the rollers 7 rotate as rotation, and meanwhile, the reciprocating swing mechanism drives the strengthening processing device to swing in a reciprocating mode, so that steel balls in the rollers are driven to swing in a reciprocating mode.
Make two cylinders 7 when the rotation under planetary drive mechanism 10's effect, can also carry out the revolution along horizontal rotating shaft 3, including reciprocal wabbler mechanism drive cylinder reciprocal swing, the bearing steel ball in the cylinder 7 receives gravity, centrifugal force and pendulum power, make the bearing steel ball make the miscellaneous motion in cylinder 7, thereby can improve the collision probability of bearing steel ball in the cylinder, the efficiency of intensive processing is improved, in addition, along with the improvement of bearing steel ball collision probability, make bearing steel ball surface impact cycle number constantly increase, even collision can be realized in each place of bearing steel ball surface, thereby improve the uniformity of intensive processing.
Example 2
Referring to fig. 12 to 17, the other structure in this embodiment is the same as embodiment 1, except that, the bearing steel ball strengthening mechanism is an ultrasonic vibration mechanism 20, the ultrasonic vibration mechanism 20 comprises a vibration plate 20-1 arranged in the roller 7, an ultrasonic generator 20-2 and a plurality of ultrasonic vibrators 20-3 arranged at the lower end of the vibration plate 20-1, wherein, a baffle 21 is arranged in the roller 7, the baffle 21 divides the interior of the roller 7 into an installation cavity 22 and a strengthening processing cavity 23, the ultrasonic generator 20-2 is arranged in the mounting cavity 22, the vibration plate 20-1 and the ultrasonic vibrators 20-3 are arranged in the strengthening processing cavity 23, and the ultrasonic vibrators 20-3 are connected with the ultrasonic generator 20-2 through high-frequency wires 20-4. By adopting the structure, on one hand, the ultrasonic vibration mechanism 20 is arranged, when the ultrasonic vibrator 20-3 acts on the vibration plate 20-1, the vibration plate 20-1 continuously generates high-frequency vibration to continuously collide the bearing steel balls, and meanwhile, the roller 7 continuously rotates and revolves, so that the collision impact probability of the bearing steel balls is further improved, and the strengthening processing efficiency and the strengthening processing consistency are improved; on the other hand, the baffle 21 is arranged, so that the bearing steel ball can be strengthened in the strengthening processing cavity 23, and the bearing steel ball is effectively prevented from entering the mounting cavity 22 in the strengthening process, so that the ultrasonic generator 20-2 is damaged.
Referring to fig. 12-17, the cylinder wall of the drum 7 is provided with mounting grooves 7-4 at positions corresponding to both sides of the vibration plate 20-1, both sides of the vibration plate 20-1 extend into the mounting grooves 7-4, both upper and lower ends of the vibration plate 20-1 are provided with a plurality of springs 20-5, and the plurality of springs 20-5 tightly support the vibration plate 20-1 between the upper and lower surfaces of the mounting groove 7-4. Both sides of the vibrating plate 20-1 extend into the mounting groove 7-4, so that the area of the vibrating plate 20-1 in the roller 7 can be increased, the collision efficiency of the bearing steel balls on the vibrating plate 20-1 is improved, and all the bearing steel balls can be strengthened by the vibrating plate 20-1; the spring 20-5 can reduce the noise generated by the vibrating plate 20-1 during the vibrating process and can buffer the vibrating plate 20-1 during the vibrating process.
Referring to fig. 12 to 17, an elastic packing 20-6 is disposed between the upper surface of the vibration plate 20-1 and the upper surface of the mounting groove 7-4, an upper end of the elastic packing 20-6 acts on the upper surface of the mounting groove 7-4, and a lower end acts on the upper surface of the vibration plate 20-1. The elastic sealing gasket 20-6 is arranged, so that the vibration plate 20-1 is buffered to a certain extent, and the bearing steel ball can be effectively prevented from falling into the mounting groove 7-4 in the strengthening process, so that the bearing steel ball and equipment are damaged.
Referring to fig. 12 to 17, the ultrasonic vibrator 20-3 includes an ultrasonic transducer 20-31 and a horn 20-32 connected to the ultrasonic transducer 20-31, a head of the horn 20-32 is connected to a lower surface of the vibration plate 20-1, and the high frequency line 20-4 is connected to the ultrasonic transducer 20-31.
Furthermore, the upper surface of the vibrating plate 20-1 is provided with a strengthening layer and a micro-texture layer, which is beneficial to improving the strengthening effect of the bearing steel balls and prolonging the service life of the vibrating plate 20-1.
The operation principle of the ultrasonic vibration mechanism 20 described above is:
the method comprises the following steps of connecting an ultrasonic generator 20-2 with a power supply fixed in a roller 7, converting an ultrasonic oscillation signal into a mechanical oscillation signal through an ultrasonic transducer 20-31, amplifying the tiny amplitude of longitudinal wave mechanical oscillation to 20-80 microns through an amplitude transformer 20-32, driving a vibrating plate 20-1 arranged on the head of the amplitude transformer 20-32 to vibrate in high frequency, and transmitting the high frequency oscillation of the vibrating plate 20-1 to nitrogen-enriched reinforced grinding modified liquid stored in a microtextured oil bag on the surface of the vibrating plate 20-1 to enable the nitrogen-enriched reinforced grinding modified liquid to generate a cavitation effect; in the process of ultrasonic cavitation effect, cavitation bubbles can instantly generate local high-temperature and high-pressure environment in a very rapid explosion process so as to generate unusual energy effect, and then pyrolysis, chemical bond breakage, free radical generation and related reactions can be generated in the cavitation bubbles, so that the physical and chemical effects caused by the friction between the grinding powder, the chemically strengthened grinding liquid and the steel ball between the steel ball and the grinding powder interface can be greatly promoted, the surface layer of the bearing steel ball can obtain nitrogen atoms (permeation or tribochemical reaction), and the mechanical and physical properties of the strengthened layer on the surface of the bearing steel ball can be improved; meanwhile, due to the fact that high temperature and high pressure are generated during bubble explosion, micro jet flow with the speed of about 110m/s is generated, the micro jet flow can cause huge local impact on the surface of the bearing steel ball, and therefore residual compressive stress on the surface of the bearing steel ball can be greatly improved, the micro jet flow can perform strengthening and stirring effects on grinding powder and grinding fluid, the grinding powder and the grinding fluid are uniformly distributed, and the consistency of collision strengthening between the bearing steel ball and strengthening processing of the bearing steel ball is better guaranteed; by utilizing the chemical effect and the mechanical effect generated by the ultrasonic cavitation, the strengthening processing speed of the bearing steel ball can be improved, the collision strengthening between the bearing steel ball and the consistency of the strengthening processing of the bearing steel ball can be ensured, and the mechanical and physical properties of the surface strengthening layer of the bearing steel ball can be improved. In addition, when the vibrating plate 20-1 vibrates in high frequency, the roller 7 rotates and revolves to enable the bearing steel ball to do centrifugal motion, the bearing steel ball can collide and impact with the vibrating plate 20-1 vibrating in high frequency, at the moment, the vibrating plate 20-1 vibrating in high frequency provides strong kinetic energy for the bearing steel ball which is subjected to centrifugal force again, so that violent collision and impact can occur between the bearing steel ball and between the bearing steel ball and the vibrating plate 20-1, the bearing steel ball can be subjected to huge collision force and impact force, the residual compressive stress on the surface of the bearing steel ball is greatly improved, and the strengthening rate of the steel ball is improved; and the vibration plate 20-1 is arranged in the roller 7, so that the steel balls can be prevented from always doing centrifugal motion, the collision probability among the bearing steel balls is improved, and the strengthening efficiency and the strengthening effect of the bearing steel balls are improved.
Example 3
The other structure in this embodiment is the same as that in embodiment 1, except that the housing 2 may be a frame or other structure such as a support member that can fix the horizontal rotation shaft 3 to the bottom plate 1.
The present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents and are included in the scope of the present invention.
Claims (10)
1. A bearing steel ball surface strengthening processing device comprises a bottom plate, a strengthening processing device arranged on the bottom plate and used for strengthening processing of the surface of a bearing steel ball, and a reciprocating swing mechanism arranged at the lower end of the bottom plate and used for driving the strengthening processing device to swing back and forth; it is characterized in that the preparation method is characterized in that,
the strengthening processing device comprises a case arranged on the bottom plate, a horizontal rotating shaft rotationally arranged on the case, a rotation driving mechanism for driving the horizontal rotating shaft to rotate, a driving turntable and a driven turntable which are respectively and fixedly arranged at two ends of the horizontal rotating shaft;
two rollers parallel to the horizontal rotating shaft are arranged between the driving turntable and the driven turntable, a driving roller shaft is arranged between each roller and the driving turntable, one end of each driving roller shaft is rotatably connected with the driving turntable, and the other end of each driving roller shaft is fixedly connected with the end face of the corresponding roller; a driven roller shaft is arranged between each roller and the driven turntable, one end of the driven roller shaft is rotatably connected with the driven turntable, and the other end of the driven roller shaft is fixedly connected with the end surface of the roller;
the planetary transmission mechanism comprises a first driving gear, a second driven gear and a transmission gear assembly, the first driving gear is arranged on the horizontal rotating shaft, the second driven gear is arranged on the driving roller shaft, the transmission gear assembly is arranged between the first driving gear and the second driven gear, the transmission gear assembly is parallel to the horizontal rotating shaft and is rotatably arranged on the driving turntable, the first driven gear is arranged on the transmission rotating shaft and is meshed with the first driving gear, and the second driving gear is arranged on the transmission rotating shaft and is meshed with the second driven gear.
2. The bearing steel ball surface strengthening processing equipment according to claim 1, wherein a bearing steel ball strengthening mechanism for promoting the bearing steel balls to move in the roller so as to improve the collision probability between the bearing steel balls is arranged in the roller.
3. The bearing steel ball surface strengthening processing equipment according to claim 2, wherein the bearing steel ball strengthening mechanism is a lifting mechanism, the lifting mechanism comprises a lifting plate arranged in the roller and Z-shaped rocking bars symmetrically arranged at two ends of the lifting plate, one end of the driving roller shaft extends into the roller and is connected with the head end of one of the Z-shaped rocking bars, and the tail end of the Z-shaped rocking bar is fixedly connected with the head end of the lifting plate; the head end of the other Z-shaped rocker is rotatably connected with the inner end surface of the roller, and the tail end of the Z-shaped rocker is fixedly connected with the tail end of the lifting plate; the width of the lifting plate is less than the diameter of the drum.
4. The bearing steel ball surface strengthening processing equipment according to claim 3, wherein a power transmission mechanism for transmitting the power of the driving roller shaft to the Z-shaped rocker is arranged between the driving roller shaft and the Z-shaped rocker, a partition is arranged in the roller, the partition divides the interior of the roller into a transmission cavity and a strengthening cavity, the lifting mechanism is positioned in the strengthening cavity, the power transmission mechanism is positioned in the transmission cavity and comprises a third driving gear, a power transmission rotating shaft, a third driven gear, a fourth driving gear and a fourth driven gear, wherein the head end of the Z-shaped rocker penetrates through the partition and is connected with the fourth driven gear, the Z-shaped rocker is rotatably connected to the partition, the third driving gear is arranged on the driving roller shaft, the power transmission rotating shaft is parallel to the driving roller shaft and is rotatably arranged on the inner end face of the roller, the third driven gear is arranged on the power transmission rotating shaft and meshed with the third driving gear, and the fourth driving gear is arranged on the power transmission rotating shaft and meshed with the fourth driven gear.
5. The bearing steel ball surface strengthening processing equipment according to claim 2, wherein the bearing steel ball strengthening mechanism is an ultrasonic vibration mechanism, the ultrasonic vibration mechanism comprises a vibration plate arranged in the roller, an ultrasonic generator and a plurality of ultrasonic vibrators arranged at the lower end of the vibration plate, a baffle is arranged in the roller, the baffle divides the interior of the roller into a mounting cavity and a strengthening processing cavity, the ultrasonic generator is arranged in the mounting cavity, the vibration plate and the ultrasonic vibrators are arranged in the strengthening processing cavity, and the plurality of ultrasonic vibrators are connected with the ultrasonic generator through high-frequency lines.
6. The bearing steel ball surface strengthening processing equipment according to claim 5, wherein the cylinder wall of the roller is provided with mounting grooves at positions corresponding to two sides of the vibrating plate, two sides of the vibrating plate extend into the mounting grooves, the upper end and the lower end of the vibrating plate are provided with a plurality of springs, and the plurality of springs support the vibrating plate tightly between the upper surface and the lower surface of the mounting groove.
7. The bearing steel ball surface strengthening processing equipment according to claim 1, 3 or 5, wherein the rotation driving mechanism comprises a rotation driving motor arranged on the bottom plate and a rotation transmission mechanism for transmitting the power of the rotation driving motor to the horizontal rotating shaft, wherein the rotation transmission mechanism comprises a first bevel gear arranged on the rotation driving motor, a second bevel gear meshed with the first bevel gear, a driving pulley coaxially arranged with the second bevel gear, a driven pulley arranged on the horizontal rotating shaft and a belt arranged between the driving pulley and the driven pulley, one end of the belt is connected with the driving pulley, and the other end of the belt is connected with the driven pulley.
8. The bearing steel ball surface strengthening processing equipment according to claim 1, 3 or 5, wherein the reciprocating swing mechanism comprises a base arranged below the bottom plate, a first swing plate arranged between the base and the bottom plate, a second swing plate and a swing driving mechanism for driving the first swing plate to swing; the first swinging plate and the second swinging plate are distributed at two ends of the base, the upper end of the first swinging plate is hinged with the bottom plate, and the lower end of the first swinging plate is hinged with the base; the upper end of the second swinging plate is hinged with the bottom plate, and the lower end of the second swinging plate is hinged with the base; the length of the first swing plate is smaller than the length of the second swing plate.
9. The bearing steel ball surface strengthening processing equipment according to claim 8, the swing driving mechanism comprises a swing driving motor arranged on the base, a third bevel gear, a fourth bevel gear, a disc, a pin shaft and a rocker, wherein the third bevel gear is arranged on the main shaft of the swing driving motor, the fourth bevel gear and the disc are coaxially arranged on the base through a supporting block, the fourth bevel gear is meshed with the third bevel gear, the pin shaft is arranged on the eccentric position of the disc, the upper end of the first swinging plate is hinged at the lower end of the bottom plate through a supporting shaft fixedly connected with the first swinging plate, one end of the rocker is vertically and fixedly connected with the supporting shaft, the rocker is provided with a sliding groove which is in sliding fit with the pin shaft, and the sliding groove extends along the axis direction of the rocker.
10. The bearing steel ball surface strengthening processing equipment according to claim 1, 3 or 5, wherein the roller is provided with an air inlet hole for introducing inert gas.
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