Polishing and grinding device for micro-motor shaft machining and capable of achieving step-by-step machining

Abstract

The step-by-step machining polishing and grinding device comprises a rack, a limiting frame and a protection frame are arranged on the two sides of the upper end of the rack correspondingly, a feeding conveying assembly is arranged on one side of the back face of the limiting frame, and meanwhile a feeding fixing assembly is arranged at the position, located on the inner side of the limiting frame, of the upper end of the rack; a polishing and grinding assembly is arranged in the middle of the inner side of the protection frame and comprises a rotating motor and a rotating disc. According to the step-by-step machining polishing and grinding device for micromotor shaft machining, a rotating motor drives a rotating disc to rotate, so that a polishing disc conducts primary polishing and grinding on the shaft end of a micromotor shaft, then an electric moving guide rail drives one end of a connecting piece to move, and the connecting piece drives a moving side base and a grinding abrasive disc to rotate on a positioning rod; and the shaft end of the micromotor shaft is polished and ground again through the grinding abrasive disc, so that the micromotor shaft can be ground step by step, the grinding precision of the shaft end of the motor shaft is effectively controlled, and the machining quality is guaranteed.

Description

Technical Field

[0001] The invention relates to the technical field related to micro-motor shaft processing, and in particular to a polishing and grinding device for micro-motor shaft processing with step-by-step processing. Background Art

[0002] Micromotor, the full name of which is "micro electric motor", refers to a motor with a diameter less than 160mm or a rated power less than 750mW. Micromotor is often used in control systems or transmission mechanical loads to realize functions such as detection, analytical calculation, amplification, execution or conversion of electromechanical signals or energy. Among them, the micromotor shaft is an indispensable part of the micromotor. During the processing of the micromotor shaft, the shaft end needs to be polished and ground, so a polishing device is used.

[0003] After searching, it is found that the polishing device in the prior art is typically such as the polishing device with publication number CN220994044U, which is used for micromotor shaft processing, including a support mechanism and a collection and protection mechanism, the support mechanism includes two groups of support legs, the collection and protection mechanism includes a protection box, the front of the protection box is hinged with a sealing door, the inner side wall of the fan is fixedly connected with two groups of fans, and the output end of each fan is fixedly connected with a discharge channel. The utility model solves the problem that a large amount of dust and irritating odor will be generated during the polishing of the micromotor shaft, and the problem that it cannot be handled in time and effectively and causes harm to the health of the workers is solved by setting a collection and protection mechanism. Through the mutual cooperation of the protection box, the sealing door, the support frame, the electric sliding frame, the micromotor shaft body and the collection box, the device is in a sealed state to work, and the fire and dust generated by the polishing and grinding of the micromotor shaft body are always in the protection box, ensuring the health and safety of the construction workers.

[0004] To sum up, the existing polishing device can only perform rough processing on the shaft end of the micromotor when in use, and cannot perform step-by-step polishing and grinding on the micromotor shaft, which cannot guarantee the processing quality and reduces the surface accuracy and overall performance of the shaft. Secondly, it cannot meet the automatic loading and unloading of the micromotor shaft, affecting the processing efficiency. In view of the above problems, the existing equipment needs to be improved. Summary of the invention

[0005] The purpose of the present invention is to provide a polishing and grinding device for micromotor shaft processing with step-by-step processing, so as to solve the problem that the existing polishing device proposed in the above background technology can only perform rough processing on the shaft end of the micromotor shaft when in use, and cannot perform step-by-step polishing and grinding on the micromotor shaft, which cannot guarantee the processing quality, reduces the surface accuracy and overall performance of the shaft, and secondly, cannot meet the automatic loading and unloading of the micromotor shaft, affecting the processing efficiency.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a step-by-step micro-motor shaft polishing and grinding device, comprising a frame,

[0007] A limit frame and a protective frame are respectively arranged on both sides of the upper end of the frame, and a loading and conveying assembly is arranged on one side of the back of the limit frame, and a loading and fixing assembly is arranged on the inner side of the limit frame at the upper end of the frame, and a polishing and grinding assembly is arranged in the middle of the inner side of the protective frame, and the polishing and grinding assembly includes a rotating motor and a rotating disk, and the output end of the rotating motor is connected to the rotating disk, and the polishing disk is detachably connected to the middle of the outer side of the rotating disk, and the rotating disk is located in the middle of both sides of the polishing disk and has grooves, and the insides of the two grooves are connected with movable side seats through positioning rods, and the movable side seat is detachably connected to a grinding sand sheet close to the polishing disk, and the other side of the movable side seat is rotatably connected to a connecting piece, and the other end of the connecting piece is connected to an electric movable guide rail corresponding to the outer side of the rotating disk.

[0008] Preferably, a material unloading opening is opened in the middle of the upper end of the frame, and a material receiving box is arranged below the material unloading opening. At the same time, a clamping assembly is arranged on the upper end of the frame between the side of the material unloading opening close to the polishing and grinding assembly and the polishing and grinding assembly. The clamping assembly includes a fixed frame, and a bidirectional screw rod is connected to the middle of the fixed frame through a fixed block. At the same time, one end of the bidirectional screw rod is connected to the output end of the driving motor. Moving slides are symmetrically arranged on both sides of the upper end of the bidirectional screw rod, and a clamping plate is arranged on the opposite side of the upper end of the moving slide.

[0009] Preferably, the feeding and conveying assembly includes a feeding guide seat and a quantitative material guiding assembly, and a support frame is arranged on the outer side of the middle lower end of the feeding guide seat, and the middle of the bottom of the lower end of the support frame is connected to the frame through a positioning frame, and a positioning through hole is opened in the middle of one side of the feeding guide seat close to the frame, and a quantitative material guiding assembly is arranged on the outer side of the positioning through hole.

[0010] Preferably, the quantitative material guiding assembly includes a rotating frame, and the rotating frame is a U-shaped structure, and the middle of the rotating frame is rotatably connected to one side of the feeding guide seat through a positioning column, one side of the upper end of the rotating frame is connected to an upper stop frame, and the upper stop frame is located above the side of the positioning through hole close to the feeding fixed assembly, and one side of the lower end of the rotating frame is connected to a lower stop frame, and the lower stop frame is located below the side of the positioning through hole away from the feeding fixed assembly, an eccentric special-shaped turntable is arranged in the middle of the rotating frame, and the middle of one end of the eccentric special-shaped turntable is rotatably connected to one side of the feeding guide seat through a micro motor away from the feeding fixed assembly.

[0011] Preferably, the feeding fixing assembly includes a base and an electric linear guide, and the two sides of the lower end of the base form a moving structure with the upper end of the frame through the electric linear guide, and at the same time, a limit baffle is arranged on the side of the upper end of the base opposite to the feeding guide seat, the limit baffle is an L-shaped structure, and a limit clamping frame is arranged inside the side of the limit baffle opposite to the feeding guide seat, and at the same time, an extension frame is installed in the middle of the outer end of the other side of the limit baffle, an electric telescopic rod is arranged in the middle of the extension frame, and the output end of the electric telescopic rod is connected to a push plate, and the push plate is located in the through opening corresponding to the limit baffle.

[0012] Preferably, a fixed side plate is symmetrically arranged on the other side of the upper end of the base, and the outer side of the fixed side plate is slidably connected to a guide slide seat correspondingly arranged on the inner side of the limit frame through a slider, and at the same time, an electric hydraulic cylinder is symmetrically arranged on the inner side of the fixed side plate, and the output end of the electric hydraulic cylinder is connected to the outer side of the corresponding positioning side seat.

[0013] Preferably, the base is located in the middle of the two fixed side plates and is rotatably connected to a material guide plate on the outer side, and the material guide plate is located inside the material discharge opening. At the same time, the two sides of the lower end of the material guide plate are rotatably connected to one end of a corresponding support frame, and the other end of the support frame is slidably connected to a guide rail correspondingly arranged on the outer side of the lower end of the material discharge opening.

[0014] Preferably, the two sides of the bottom of the lower end of the two positioning side seats are slidably connected to the guide grooves correspondingly arranged on the inner side of the upper end of the base through the support block, and the center position between the two positioning side seats and the center position of the push plate are in the same horizontal plane.

[0015] Preferably, dust suction heads are respectively arranged on the front, back and middle of the upper end of the protective frame, and the dust suction heads are connected to the connecting heads through connecting pipes, and the connecting heads are connected to the upper end of the dust suction pump. The lower end of the dust suction pump passes through the upper end of the dust collecting box through a conveying pipe and is threadedly connected to the dust bag. The upper end of the front side of the dust collecting box is connected with an opening and closing door through a hinge, and an exhaust mesh plate is installed at the lower end of the front side of the dust collecting box.

[0016] Compared with the prior art, the invention has the following beneficial effects: the polishing and grinding device for micro-motor shaft machining with step-by-step processing is

[0017] (1) In order to solve the problem that the existing polishing device can only perform rough processing on the shaft end of the micromotor when in use, but cannot perform step-by-step polishing and grinding on the micromotor shaft, which cannot ensure the processing quality and reduces the surface accuracy and overall performance of the shaft, the present application drives the rotating disk to rotate by a rotating motor, so that the polishing disk performs initial polishing and grinding on the shaft end of the micromotor shaft, and then drives one end of the connecting member to move by an electric movable guide rail, so that the connecting member drives the movable side seat and the grinding sand sheet to rotate on the positioning rod, so that the grinding sand sheet performs another polishing and grinding on the shaft end of the micromotor shaft, thereby being able to polish the micromotor shaft step by step, effectively controlling the polishing accuracy of the motor shaft end, and ensuring the processing quality;

[0018] (2) In order to solve the problem that the existing polishing device cannot automatically load and unload the micromotor shaft during use, thus affecting the processing efficiency, the present application is provided with a loading and conveying assembly and a loading and fixing assembly. Through the quantitative guide assembly, the micromotor shaft on the loading guide seat is guided and loaded into the loading and fixing assembly in sequence, and then the push plate is pushed by the electric telescopic rod to transport the micromotor shaft located in the limit bracket to the positioning side seat for clamping and fixing. The base is moved under the action of the electric linear guide rail to load the micromotor shaft. After the processing is completed, the loading and fixing assembly returns to its original position, and then the positioning side seat is separated from the micromotor shaft, so that the electric telescopic rod pushes the push plate to collect the processed micromotor shaft in the material receiving box through the guide plate and the unloading port, thereby completing the unloading and improving the processing efficiency during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of a top-view cross-sectional structure of the present invention;

[0020] Figure 2 It is a schematic diagram of the top view structure of the present invention;

[0021] Figure 3 It is a side view structural schematic diagram of the feeding and conveying assembly of the present invention;

[0022] Figure 4 This is a schematic diagram of the cross-sectional structure of the loading and fixing assembly of the present invention from top view;

[0023] Figure 5 It is a schematic diagram of the cross-sectional structure of the polishing and grinding assembly of the present invention from top view;

[0024] Figure 6 It is a schematic diagram of the top view of the clamping assembly of the present invention;

[0025] Figure 7 It is a front view structural schematic diagram of the present invention.

[0026] In the figure: 1, frame; 101, unloading opening; 2, limit frame; 201, guide slide; 3, support frame; 301, positioning frame; 4, loading guide seat; 401, positioning through hole; 5, quantitative material guide assembly; 501, rotating frame; 502, positioning column; 503, upper baffle; 504, lower baffle; 505, micro motor; 506, eccentric special-shaped turntable; 6, loading fixed assembly; 601, base; 602, electric linear guide; 603, limit baffle; 604, limit bracket; 605, extension frame; 606, electric telescopic rod; 607, push plate; 608, fixed side plate; 609, electric hydraulic cylinder; 610, positioning side seat; 611, guide plate; 612, support frame; 613, guide rail; 7, protection frame; 8, polishing and grinding assembly; 801, rotating motor; 802, rotating disk; 8021, groove; 803, polishing disk; 804, moving side seat; 8041, grinding sand sheet; 805, positioning rod; 806, connecting piece; 807, electric moving guide rail; 9, clamping assembly; 901, fixed frame; 902, fixed block; 903, two-way screw rod; 904, driving motor; 905, moving slide; 906, clamping plate; 10, dust suction head; 11, connecting pipe; 12, connecting head; 13, dust suction pump; 14, dust collecting box; 1401, opening and closing door; 1402, exhaust mesh plate; 15, collecting box. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] See also Figure 1-7 The present invention provides a technical solution: a polishing and grinding device for micro-motor shaft processing with step-by-step processing, according to Figure 1 , Figure 2 , Figure 3 and Figure 7As shown, a limit frame 2 and a protection frame 7 are respectively provided on both sides of the upper end of the frame 1, and a feeding conveying assembly is provided on one side of the back of the limit frame 2, the feeding conveying assembly includes a feeding guide seat 4 and a quantitative material guiding assembly 5, and a support frame 3 is provided on the outer side of the middle lower end of the feeding guide seat 4, and at the same time, the middle of the bottom of the lower end of the support frame 3 is connected to the frame 1 through a positioning frame 301, and the positioning frame 301 and the support frame 3 are used to facilitate the support of the feeding guide seat 4, so that the feeding guide seat 4 is tilted to convey and feed the micromotor shaft, and a positioning through hole 401 is opened in the middle of the feeding guide seat 4 close to the frame 1, and a quantitative material guiding assembly 5 is provided on the outer side of the positioning through hole 401, and the quantitative material guiding assembly The rotating frame 501 includes a rotating frame 501, and the rotating frame 501 is a U-shaped structure. At the same time, the middle of the rotating frame 501 is rotatably connected to one side of the feeding guide seat 4 through a positioning column 502. One side of the upper end of the rotating frame 501 is connected to an upper stop frame 503, and the upper stop frame 503 is located above the side of the positioning through hole 401 close to the feeding fixed component 6. One side of the lower end of the rotating frame 501 is connected to a lower stop frame 504, and the lower stop frame 504 is located below the side of the positioning through hole 401 away from the feeding fixed component 6. An eccentric special-shaped rotating disk 506 is arranged in the middle of the rotating frame 501, and the middle of one end of the eccentric special-shaped rotating disk 506 is rotatably connected to one side of the feeding guide seat 4 through a micro motor 505 away from the micro motor 505.

[0029] When in use, multiple micro-motor shafts are neatly placed in the middle of the feeding guide seat 4, and then the micro-motor 505 is started to drive the eccentric special-shaped turntable 506 to rotate, so that the outer end of the eccentric special-shaped turntable 506 is separated from one side of the upper end of the rotating frame 501, so that the rotating frame 501 rotates, and then the upper blocking frame 503 and the lower blocking frame 504 fall synchronously, so that the micro-motor shaft is located between the upper blocking frame 503 and the lower blocking frame 504, and at the same time, the upper blocking frame 503 is fitted with the outer side of the micro-motor shaft, so that the micro-motor shaft is located in the positioning passage The micromotor 505 is then started to drive the eccentric special-shaped turntable 506 to rotate, so that the outer end of the eccentric special-shaped turntable 506 fits against one side of the upper end of the rotating frame 501 to lift and rotate the rotating frame 501, and then the upper blocking frame 503 and the lower blocking frame 504 move up synchronously, so that the micromotor shaft located in the middle of the upper end of the positioning through hole 401 rolls from under the upper blocking frame 503, and at the same time the lower blocking frame 504 blocks other micromotor shafts, thereby realizing quantitative conveying and feeding of the micromotor shafts.

[0030] according to Figure 1 , Figure 2 , Figure 4 and Figure 7As shown, the upper end of the frame 1 is located inside the limit frame 2 and a loading fixing assembly 6 is provided. The loading fixing assembly 6 includes a base 601 and an electric linear guide 602. The lower ends of the base 601 are connected to the upper end of the frame 1 through the electric linear guide 602 to form a moving structure. The base 601 is driven to move by the electric linear guide 602, so that the micro-motor shaft after loading is conveniently transported to the polishing and grinding assembly 8 for polishing and grinding processing. At the same time, a limit baffle 603 is provided on the upper end of the base 601 opposite to the loading guide seat 4. The limit baffle 603 03 is an L-shaped structure, and a limit bracket 604 is arranged inside the limit baffle 603 on the side opposite to the feeding guide seat 4. The limit bracket 604 facilitates the positioning of the micro-motor shaft entering the limit baffle 603, and facilitates the accuracy of its moving fixed position. At the same time, an extension bracket 605 is installed in the middle of the outer end of the other side of the limit baffle 603, and an electric telescopic rod 606 is arranged in the middle of the extension bracket 605, and the output end of the electric telescopic rod 606 is connected to a push plate 607, and the push plate 607 is located at the corresponding opening of the limit baffle 603. The push plate 607 is pushed to move by the electric telescopic rod 606, which is convenient for pushing the micromotor shaft in the limit bracket 604, so that the micromotor shaft is located between the two positioning side seats 610, and it is also convenient for unloading the processed micromotor shaft. A fixed side plate 608 is symmetrically arranged on the other side of the upper end of the base 601, and the outer side of the fixed side plate 608 is slidably connected with the guide slide 201 correspondingly arranged on the inner side of the limit frame 2 through a slider. The slider slides inside the guide slide 201 to improve the stability of the movement and fix it at the same time. An electric hydraulic cylinder 609 is symmetrically arranged on the inner side of the side plate 608, and the output end of the electric hydraulic cylinder 609 is connected to the outer side of the corresponding positioning side seat 610. The two sides of the bottom of the lower end of the two positioning side seats 610 are slidingly connected to the guide grooves correspondingly arranged on the inner side of the upper end of the base 601 through support blocks, and the center position between the two positioning side seats 610 and the center position of the push plate 607 are in the same horizontal plane. The positioning side seat 610 is pushed to move by the electric hydraulic cylinder 609, which is convenient for clamping and fixing the micromotor shaft and improving the stability during loading.

[0031] To further illustrate, the base 601 is located in the middle of the two fixed side plates 608 and is rotatably connected to a material guide plate 611 on the outer side, and the material guide plate 611 is located inside the material discharge opening 101. Through the material guide plate 611, it is convenient to guide the processed micromotor shaft for discharge. At the same time, the two sides of the lower end of the material guide plate 611 are rotatably connected to one end of a corresponding support frame 612, and the other end of the support frame 612 is slidably connected to a guide slide rail 613 corresponding to the outer side of the lower end of the material discharge opening 101. The support frame 612 moves on the guide slide rail 613 to support the material guide plate 611, so that the material guide plate 611 is more stable when used.

[0032] When in use, the micromotor shaft rolling inside the feeding guide seat 4 enters the upper end of the base 601 and is engaged with the corresponding limit bracket 604, and then the electric telescopic rod 606 is started to push the push plate 607 to move, and the micromotor shaft is moved to the middle of the two positioning side seats 610, and the end of the micromotor shaft that needs to be processed is located above the outer side of the base 601, and then the electric hydraulic cylinder 609 pushes the positioning side seat 610 to move, clamps and fixes the other end of the micromotor shaft, and then drives the base 601 to move through the electric linear guide 602, so that the micromotor shaft is transported to the polishing and grinding assembly 8 and fits with the polishing disk 803. After processing is completed, the base 601 is driven to move in the opposite direction through the electric linear guide 602, so that the micromotor shaft is located above the unloading port 101, and then the electric hydraulic cylinder 609 pulls the positioning side seat 610 to move and separate from the micromotor shaft, and then the electric telescopic rod 606 pushes the push plate 607 to move, and the processed micromotor shaft is pushed into the unloading port 101 and guided by the guide plate 611 for unloading.

[0033] according to Figure 1 , Figure 2 , Figure 5 , Figure 6 and Figure 7 As shown, a polishing and grinding assembly 8 is arranged in the middle of the inner side of the protective frame 7, and the polishing and grinding assembly 8 includes a rotating motor 801 and a rotating disk 802, and the output end of the rotating motor 801 is connected to the rotating disk 802, and the polishing disk 803 is detachably connected to the middle of the outer side of the rotating disk 802, and the rotating disk 802 is located in the middle of both sides of the polishing disk 803 and has grooves 8021, and the insides of the two grooves 8021 are connected to movable side seats 804 through positioning rods 805, and the movable side seat 804 is detachably connected to a grinding sand sheet 8041 on one side close to the polishing disk 803, and the other side of the movable side seat 804 is rotatably connected to a connecting piece 806, and the other end of the connecting piece 806 is connected to an electric movable guide rail 807 corresponding to the outer side of the rotating disk 802.

[0034] When in use, the rotating motor 801 drives the rotating disk 802 to rotate, so that the polishing disk 803 set in the middle of the rotating disk 802 polishes and grinds the shaft end of the micromotor. After completion, the electric movable guide rail 807 is started to drive the connecting member 806 to move inward, so that the connecting member 806 drives the movable side seat 804 to rotate on the positioning rod 805, so that the grinding sand piece 8041 fits with the shaft end of the micromotor. Then, the rotating motor 801 drives the rotating disk 802 to rotate, so that the grinding sand piece 8041 rotates, and the shaft end of the micromotor is polished and grinded again, thereby polishing the shaft end of the micromotor step by step, effectively controlling the grinding accuracy of the motor shaft end, and ensuring the processing quality.

[0035] To further explain, dust heads 10 are respectively arranged on the front, back and middle of the upper end of the protective frame 7, and the dust head 10 is connected to the connecting head 12 through a connecting pipe 11, and the connecting head 12 is connected to the upper end of a dust pump 13. The lower end of the dust pump 13 passes through the upper end of the dust box 14 through a conveying pipe and is threadedly connected to the dust bag, and the upper end of the front side of the dust box 14 is connected with an opening and closing door 1401 through a hinge, and the lower end of the front side of the dust box 14 is installed with an exhaust mesh plate 1402. The dust generated during the internal processing of the protective frame 7 is transported to the dust bag installed in the dust box 14 through the dust pump 13 through the dust head 10, the connecting pipe 11, the connecting head 12 and the conveying pipe, and the gas is then discharged through the exhaust mesh plate 1402.

[0036] To further explain, a material unloading opening 101 is provided in the middle of the upper end of the frame 1, and a material receiving box 15 is provided below the material unloading opening 101. The material receiving box 15 is used to collect the processed micromotor shaft. At the same time, a clamping assembly 9 is provided on the upper end of the frame 1, located near the side of the polishing and grinding assembly 8 near the material unloading opening 101 and between the polishing and grinding assembly 8. The clamping assembly 9 includes a fixed frame 901, and a bidirectional lead screw 903 is connected to the middle of the fixed frame 901 through a fixed block 902. At the same time, one end of the bidirectional lead screw 903 is connected to the output end of the driving motor 904. Moving slides 905 are symmetrically provided on both sides of the upper end of the bidirectional lead screw 903, and a clamping plate 906 is provided on the opposite side of the upper end of the moving slide 905. The bidirectional lead screw 903 is driven to rotate by the driving motor 904, so that the moving slide 905 drives the clamping plate 906 to move toward the middle, so that the clamping plate 906 fixes the outer side of the end of the micromotor shaft that needs to be processed, thereby improving the stability of the micromotor shaft during processing.

[0037] The directions or positional relationships indicated by terms such as "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings. They are merely simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the devices or elements referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the protection content of the present invention.

[0038] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A step-by-step micromotor shaft polishing and grinding device, comprising a frame (1), characterized in that: A limit frame (2) and a protective frame (7) are respectively arranged on both sides of the upper end of the frame (1), and a feeding conveying assembly is arranged on one side of the back of the limit frame (2). At the same time, a feeding fixing assembly (6) is arranged on the inner side of the limit frame (2) at the upper end of the frame (1), and a polishing and grinding assembly (8) is arranged in the middle of the inner side of the protective frame (7). The polishing and grinding assembly (8) comprises a rotating motor (801) and a rotating disk (802). At the same time, the output end of the rotating motor (801) is connected to the rotating disk (802), and the outer middle of the rotating disk (802) is detachably connected to a polishing disk (803), and the rotating disk (802) is provided with grooves (8021) in the middle of both sides of the polishing disk (803), and the insides of the two grooves (8021) are connected with movable side seats (804) through positioning rods (805), and the movable side seat (804) is detachably connected with a grinding sand sheet (8041) on one side close to the polishing disk (803), and the other side of the movable side seat (804) is rotatably connected with a connecting piece (806), and the other end of the connecting piece (806) is connected to an electric movable guide rail (807) correspondingly arranged on the outer side of the rotating disk (802).

2. The step-by-step micro-motor shaft polishing and grinding device according to claim 1, characterized in that: A material discharge opening (101) is provided in the middle of the upper end of the frame (1), and a material receiving box (15) is provided below the material discharge opening (101). Meanwhile, a clamping assembly (9) is provided at the upper end of the frame (1) between the material discharge opening (101) and the polishing and grinding assembly (8), wherein the clamping assembly (9) comprises a fixed frame (901), and a bidirectional lead screw (903) is connected in the middle of the fixed frame (901) through a fixed block (902), and one end of the bidirectional lead screw (903) is connected to the output end of the driving motor (904), and movable slides (905) are symmetrically provided on both sides of the upper end of the bidirectional lead screw (903), and a clamping plate (906) is provided on the opposite side of the upper end of the movable slide (905).

3. The step-by-step micro-motor shaft polishing and grinding device according to claim 1, characterized in that: The feeding conveying assembly comprises a feeding guide seat (4) and a quantitative material guiding assembly (5), and a support frame (3) is arranged on the outer side of the middle lower end of the feeding guide seat (4), and the middle of the bottom of the lower end of the support frame (3) is connected to the frame (1) through a positioning frame (301), and a positioning through hole (401) is opened in the middle of a side of the feeding guide seat (4) close to the frame (1), and the quantitative material guiding assembly (5) is arranged on the outer side of the positioning through hole (401).

4. The step-by-step micro-motor shaft polishing and grinding device according to claim 3, characterized in that: The quantitative material guiding assembly (5) comprises a rotating frame (501), and the rotating frame (501) is a U-shaped structure. At the same time, the middle of the rotating frame (501) is rotatably connected to one side of the feeding guide seat (4) through a positioning column (502). One side of the upper end of the rotating frame (501) is connected to an upper stop frame (503), and the upper stop frame (503) is located above the side of the positioning through hole (401) close to the feeding fixed assembly (6). One side of the lower end of the rotating frame (501) is connected to a lower stop frame (504), and the lower stop frame (504) is located below the side of the positioning through hole (401) away from the feeding fixed assembly (6). An eccentric special-shaped turntable (506) is arranged in the middle of the rotating frame (501), and the middle of one end of the eccentric special-shaped turntable (506) is rotatably connected to one side of the feeding guide seat (4) through a micro motor (505) away from the micro motor (505).

5. The step-by-step micro-motor shaft polishing and grinding device according to claim 1, characterized in that: The loading fixed assembly (6) comprises a base (601) and an electric linear guide rail (602), and the two sides of the lower end of the base (601) form a movable structure with the upper end of the frame (1) through the electric linear guide rail (602), and at the same time, a limit baffle (603) is arranged on the side of the upper end of the base (601) opposite to the loading guide seat (4), and the limit baffle (603) is an L-shaped structure, and a limit clamping frame (604) is arranged inside the side of the limit baffle (603) opposite to the loading guide seat (4), and at the same time, an extension frame (605) is installed in the middle of the outer end of the other side of the limit baffle (603), and an electric telescopic rod (606) is arranged in the middle of the extension frame (605), and the output end of the electric telescopic rod (606) is connected to a push plate (607), and at the same time, the push plate (607) is located in the through opening corresponding to the limit baffle (603).

6. The step-by-step micro-motor shaft polishing and grinding device according to claim 5, characterized in that: A fixed side plate (608) is symmetrically arranged on the other side of the upper end of the base (601), and the outer side of the fixed side plate (608) is slidably connected to a guide slide seat (201) correspondingly arranged on the inner side of the limit frame (2) through a slider. At the same time, an electric hydraulic cylinder (609) is symmetrically arranged on the inner side of the fixed side plate (608), and the output end of the electric hydraulic cylinder (609) is connected to the outer side of a corresponding positioning side seat (610).

7. The step-by-step micro-motor shaft polishing and grinding device according to claim 5, characterized in that: The base (601) is located between the two fixed side plates (608) and is rotatably connected to a material guide plate (611), and the material guide plate (611) is located inside the material discharge opening (101). At the same time, both sides of the lower end of the material guide plate (611) are rotatably connected to one end of a corresponding support frame (612), and the other end of the support frame (612) is slidably connected to a guide rail (613) correspondingly arranged on the outer side of the lower end of the material discharge opening (101).

8. The step-by-step micro-motor shaft polishing and grinding device according to claim 6, characterized in that: The two sides of the bottom of the lower end of the two positioning side seats (610) are slidably connected to the guide grooves correspondingly arranged on the inner side of the upper end of the base (601) through the support block, and the center position between the two positioning side seats (610) and the center position of the push plate (607) are in the same horizontal plane.

9. The step-by-step micro-motor shaft polishing and grinding device according to claim 1, characterized in that: A dust suction head (10) is respectively arranged on the front, back and middle of the upper end of the protection frame (7), and the dust suction head (10) is connected to the connecting head (12) through a connecting pipe (11), and the connecting head (12) is connected to the upper end of the dust suction pump (13). The lower end of the dust suction pump (13) passes through the upper end of the dust collecting box (14) through a conveying pipe and is threadedly connected to the dust bag, and the upper end of the front of the dust collecting box (14) is connected to an opening and closing door (1401) through a hinge, and an exhaust mesh plate (1402) is installed at the lower end of the front of the dust collecting box (14).

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