A machine tool grinding device for machining mechanical spare parts

Abstract

The present invention discloses a machine tool grinding device for machining mechanical spare parts, and relates to the technical field of machine tools for machining mechanical spare parts. The present invention comprises a fuselage, wherein the fuselage is provided with a cavity, wherein the fuselage comprises a cross, wherein the cross is fixedly mounted on the top inner wall and the left and right side walls of the cavity of the fuselage, wherein a drilling device is arranged on the top of the fuselage, wherein a grinding device is arranged on the right side of the fuselage, wherein a debris removal mechanism is arranged on the bottom of the cavity of the fuselage, and wherein a material discharge and ejection device is arranged on the bottom of the fuselage. The present invention arranges the grinding device so that the telescopic push rod, the water storage column, the squeezing water bag, the grinding strip, the water outlet disc and the scraping plate cooperate with the frame plate, and the telescopic push rod pushes the squeezing water bag to drive the grinding strip to grind the borehole, thereby removing the rough and uneven parts inside and outside the borehole, making it smoother and more precise, thereby improving the dimensional accuracy and surface finish of the borehole.

Description

Technical Field

[0001] The invention relates to the technical field of machine tools for machining mechanical spare parts, in particular to a grinding device for machine tools for machining mechanical spare parts. Background Art

[0002] The modern machinery manufacturing industry has higher and higher requirements for product quality and production efficiency. Traditional mechanical grinding methods have problems such as operator skill dependence, low efficiency and high maintenance costs, which restrict the development of mechanical processing. An advanced machine tool grinding device can automate control, improve processing accuracy, reduce manual intervention, and improve production efficiency to meet the market demand for high-quality and high-efficiency processing.

[0003] The utility model patent with patent announcement number CN217291646U discloses a grinding device for mechanical processing, which relates to the field of mechanical processing. The patent includes a processing table, a grinding machine body is movably connected inside the processing table, and a regional grinding mechanism is arranged on the processing table, and the regional grinding mechanism includes a motor, an irregular bevel gear is fixedly connected to the motor, a first screw is fixedly connected to the irregular bevel gear, a second screw is rotatably connected to the inner wall of the processing table, a bevel gear is fixedly connected to the second screw, a connecting block is threadedly connected to the first screw, a movable frame is fixedly connected to the connecting block, a mounting block is threadedly connected to the second screw, and a limited position frame is fixedly connected to the mounting block. The motor of the grinding device for mechanical processing drives the first screw to rotate, and at the same time drives the second screw to rotate intermittently, drives the grinding machine body to move longitudinally along the limit frame, and also drives the grinding machine body to move laterally along the movable frame, so that the grinding machine body can automatically grind the steel plate in the area inside the processing table.

[0004] However, the current grinding device for mechanical processing has the following problems: the grinding device for mechanical processing is not convenient for timely cooling the surface of the workpiece during the grinding process, which will cause the workpiece to deform due to heat, and the burrs after drilling will remain at the drilling place of the workpiece. If it is not handled in time, the burrs will scratch the workpiece, resulting in a decrease in product quality. Therefore, we propose a machine tool grinding device for mechanical spare parts processing. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides a machine tool grinding device for machining mechanical spare parts, which solves the problems raised in the above-mentioned background technology.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: a machine tool grinding device for machining mechanical spare parts, comprising a machine body, the machine body is provided with a cavity, the machine body includes a cross, the cross is fixedly mounted on the top inner wall and left and right side walls of the machine body cavity, a drilling device is arranged on the top of the machine body, a drilling opening is arranged on the top of the machine body, and the drill bit of the drilling device is driven by a motor, and the drilling device is driven up and down by an electric push rod, a grinding device is arranged on the right side of the machine body, a debris removal mechanism is arranged at the bottom of the cavity of the machine body, a material unloading and ejecting device is arranged at the bottom of the machine body, a loading rotating device is arranged on the left and inside of the machine body, a loading opening is arranged on the right side wall of the machine body, a loading box of the loading rotating device is driven by an electric push rod, and the electric push rod is fixedly mounted on the left side wall of the loading box, and a rotating device of the loading rotating device It is driven by a motor, and the motor is fixedly mounted on the side wall of the cross close to the cavity of the fuselage. The rotating device is driven by a cylinder, and the cylinder is fixedly mounted on the output end of the motor. The grinding device includes an electric telescopic push rod, a water storage column, an extruded water bag, a plurality of grinding strips and a frame plate. The frame plate is fixedly mounted on the right outer wall of the fuselage, the electric telescopic push rod is fixedly mounted on the right outer wall of the frame plate, the water storage column is fixedly mounted on the end of the electric telescopic push rod away from the fuselage, the extruded water bag is driven by a small motor, and the small motor is fixedly mounted on the other end of the electric telescopic push rod, and the extruded water bag is rotatably mounted on the output end of the small motor, and a plurality of the grinding strips are respectively and evenly fixedly mounted on the outer wall of the extruded water bag. The grinding strips grind the borehole to remove the rough and uneven parts inside and outside the borehole, making it smoother and more precise, thereby improving the dimensional accuracy and surface finish of the borehole.

[0007] According to the above technical solution, the grinding device also includes a water outlet disc and several scraping plates. The water outlet disc is fixedly installed on one end of the extrusion water bag close to the fuselage, and several scraping plates are evenly fixedly installed on the side walls of the water outlet disc. The water outlet disc cools the grinding area, and the scraping plates scrape burrs outward to prevent thermal deformation of the workpiece caused by grinding, and also help to reduce the accumulation of grinding chips during the grinding process and improve production efficiency.

[0008] According to the above technical solution, the material discharge and ejection device includes a material discharge box and four buffer plates. The material discharge box is driven by a motor, and the motor is fixedly mounted at the bottom of the cross. A plurality of recovery grooves are provided on the top of the material discharge box. The four buffer plates are respectively fixedly mounted at one end of four springs. The buffer plate 52 can buffer the falling workpiece, reduce the impact and vibration of the workpiece, and prevent damage or shape change when falling, thereby ensuring the integrity of the workpiece. The other ends of the four springs are fixedly mounted at the bottom of the inner wall of the recovery groove of the material discharge box.

[0009] According to the above technical solution, the material discharge and ejection device also includes eight telescopic columns, four ejection rod blocks, four sliding curved plates, a plurality of hinged blocks and four ejection plates. Slide grooves are provided on the four sides of the top of the material discharge box. The eight telescopic columns are respectively fixedly installed on the bottom of the inner wall of the material discharge box recovery groove, and the outer walls of the four telescopic columns are respectively slidably installed with return springs. The four ejection rod blocks are respectively fixedly installed on the top surfaces of the four telescopic columns with return springs. The four sliding curved plates are respectively fixedly installed on the tops of the four ejection rod blocks, and the four sliding curved plates are respectively slidably installed. It is movably installed on the slide groove of the unloading box, and the ejection parts of the four sliding curved plates are made of flexible material, several hinge blocks are respectively fixedly installed on the upper surfaces of several buffer plates, and four telescopic columns are respectively hinged at the bottom of the four hinge blocks, and four ejector rod blocks are fixedly installed on the side walls of the four hinge blocks away from the motor, and the four ejector plates are respectively hinged at the tops of the four buffer plates and the four telescopic columns. The ejector rod block drives the ejector plate to eject the workpiece, which is convenient for the operator to take out the workpiece, greatly saves the operation time, and improves the work efficiency of the operator.

[0010] According to the above technical scheme, the debris removal mechanism includes a waste collection box, a debris pushing plate, a U-shaped connecting frame and a hinged telescopic rod. The waste collection box passes through and is fixedly installed on the right side of the bottom of the fuselage cavity. One end of the hinged telescopic rod is hinged to the bottom of the discharge box, and one end of the U-shaped connecting frame is hinged to the other end of the hinged telescopic rod. The debris pushing plate is fixedly installed on the other end of the U-shaped connecting frame. The debris pushing plate pushes the impurities left over from the grinding device out of the working area to prevent impurities from accumulating and keep the working area clean. When the debris pushing plate moves backward, the debris pushing plate drives the connecting rod hinged to the debris pushing plate to move backward.

[0011] According to the above technical scheme, the debris removal mechanism also includes a connecting rod, a sliding block, two water-absorbing rollers and a plurality of brushes. One end of the connecting rod is fixedly installed on the side wall of the debris pushing plate away from the fuselage, and the sliding block is fixedly installed on the other end of the connecting rod. The two water-absorbing rollers are rotatably installed on the left and right side walls of the sliding block respectively, and the plurality of brushes are evenly fixedly installed on the outer walls of the two water-absorbing rollers. The water-absorbing rollers and the brushes are used to scrape and absorb impurities on the inner wall that are stained with water, so as to prevent burrs from accumulating and causing a decrease in processing quality. At the same time, the production efficiency is also improved, and the downtime for cleaning is reduced.

[0012] The present invention provides a machine tool grinding device for machining mechanical spare parts. It has the following beneficial effects:

[0013] (1) The present invention arranges a grinding device so that a telescopic push rod, a water storage column, a squeeze water bag, a grinding strip, a water outlet disc and a scraping plate cooperate with a frame plate. The telescopic push rod pushes the squeeze water bag to drive the grinding strip to grind the borehole, thereby removing the rough and uneven parts inside and outside the borehole, making it smoother and more precise, thereby improving the dimensional accuracy and surface finish of the borehole. Then, the squeeze water bag drives the water outlet disc and the scraping plate to rotate, the water outlet disc cools the grinding area, and the scraping plate scrapes out the burrs, thereby preventing thermal deformation of the workpiece caused by grinding, and also helping to reduce the accumulation of grinding chips during the grinding process and improve production efficiency.

[0014] (2) The present invention provides a debris removal device, so that the debris pushing plate, connecting rod, sliding block and water absorption roller cooperate with the brush. The debris pushing plate pushes the impurities left by the grinding device out of the working area to prevent the accumulation of impurities and keep the working area clean. The water absorption roller and the brush are then used to scrape and absorb the impurities on the inner wall that are stained with water to prevent the accumulation of burrs that lead to a decrease in processing quality. At the same time, the production efficiency is also improved and the downtime for cleaning is reduced.

[0015] (3) The present invention arranges the material unloading and ejecting device so that the material unloading box, the buffer plate, the telescopic column, the ejection rod block, the sliding curved plate and the hinge block cooperate with the ejection plate. The buffer plate can cushion the falling workpiece, reduce the impact and vibration of the workpiece, and prevent damage or shape change when falling, thereby ensuring the integrity of the workpiece. The ejection rod block drives the ejection plate to eject the workpiece, which is convenient for the operator to take out the workpiece, greatly saves the operation time, and improves the work efficiency of the operator. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the main view of the present invention as a whole;

[0017] Figure 2 A bottom view schematically showing the present invention as a whole;

[0018] Figure 3 It is a schematic diagram of the entire grinding device of the present invention;

[0019] Figure 4 It is an overall schematic diagram of the impurity removal device and the material discharge and ejection device of the present invention;

[0020] Figure 5 It is a cross-sectional schematic diagram of the entire material discharge and ejection device of the present invention;

[0021] Figure 6 For the present invention Figure 5 An enlarged schematic diagram of point B;

[0022] Figure 7 It is a cross-sectional schematic diagram of the whole impurity removal device of the present invention;

[0023] Figure 8 For the present invention Figure 7 A magnified schematic diagram of point A;

[0024] Fig. 9 It is a bottom view schematically showing the overall impurity removal device of the present invention.

[0025] In the figure: 1. body; 11. cross; 2. drilling device; 3. grinding device; 31. electric telescopic push rod; 32. water storage column; 33. squeezing water bag; 34. grinding strip; 35. water outlet disc; 36. scraper plate; 37. shelf plate; 4. debris removal mechanism; 41. waste collection box; 42. debris pushing plate; 43. connecting rod; 44. sliding block; 45. water absorption roller; 46. plate brush; 47. U-shaped connecting frame; 48. hinged telescopic rod; 5. unloading and ejecting device; 51. unloading box; 52. buffer plate; 53. telescopic column; 54. ejector rod block; 55. sliding curved plate; 56. hinged block; 57. ejector plate; 6. feeding rotating device. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0027] See also Figure 1-3An embodiment of the present invention is: a machine tool grinding device for machining mechanical spare parts, comprising a body 1, the body 1 is provided with a cavity, the body 1 comprises a cross 11, the cross 11 is fixedly mounted on the top inner wall and the left and right side walls of the cavity of the body 1, a drilling opening is provided on the top of the body 1, and the drill bit of the drilling device 2 is driven by a motor, and the drilling device 2 is driven by an electric push rod to extend and retract up and down, a loading opening is provided on the right side wall of the body 1, a loading box of a loading rotating device 6 is driven by an electric push rod, and the electric push rod is fixedly mounted on the left side wall of the loading box, a rotating device of the loading rotating device 6 is driven by a motor, and the motor is fixedly mounted on the side wall of the cross 11 close to the cavity of the body 1, the rotating device is driven by a cylinder, and the cylinder is fixedly mounted on the output end of the motor, a drilling device 2 is provided on the top of the body 1, and a grinding device is provided on the right side of the body 1 3. A feeding rotating device 6 is arranged on the left side and inside of the fuselage 1. The grinding device 3 comprises an electric telescopic push rod 31, a water storage column 32, an extruding water bag 33, a plurality of grinding strips 34 and a frame plate 37. The frame plate 37 is fixedly mounted on the right outer wall of the fuselage 1. The electric telescopic push rod 31 is fixedly mounted on the right outer wall of the frame plate 37. The water storage column 32 is fixedly mounted on the end of the electric telescopic push rod 31 away from the fuselage 1. The extruding water bag 33 is driven by a small motor, and the small motor is fixedly mounted on the other end of the electric telescopic push rod 31. The extruding water bag 33 is rotatably mounted on the output end of the small motor. A plurality of grinding strips 34 are respectively and evenly fixedly mounted on the outer wall of the extruding water bag 33. The grinding strips 34 grind the borehole to remove the rough and uneven parts inside and outside the borehole, making it smoother and more precise, thereby improving the dimensional accuracy and surface finish of the borehole.

[0028] The grinding device 3 also includes a water outlet disc 35 and a plurality of scraping plates 36. The water outlet disc 35 is fixedly mounted on one end of the extrusion water bag 33 close to the fuselage 1. The plurality of scraping plates 36 are evenly fixedly mounted on the side walls of the water outlet disc 35. The water outlet disc 35 cools the grinding area, and the scraping plates 36 scrape burrs outward to prevent thermal deformation of the workpiece caused by grinding, and also help reduce the accumulation of grinding chips during the grinding process and improve production efficiency.

[0029] When in use, the workpiece is placed in the loading box, the electric push rod on the loading box is started, the electric push rod pushes the workpiece to the rotating device, the cylinder is started to adsorb the workpiece, and the motor is started, the rotating device begins to rotate, and when the rotating device rotates to the drilling area, the motor and the electric push rod on the drilling device 2 are turned on to drill the workpiece. After the drilling is completed, the rotating device rotates to the grinding port of the grinding device 3, and the electric telescopic push rod 31 and the small motor on the frame plate 37 are turned on. The electric telescopic push rod 31 drives the small motor to move forward, and the small motor drives the squeezing water bag 33 and the grinding strip 34 to rotate. The grinding strip 34 grinds the borehole to remove the rough and uneven parts inside and outside the borehole, making it smoother and more precise, thereby improving the dimensional accuracy and surface finish of the borehole. After the extruded water bag 33 hits the inner wall of the borehole, the extruded water bag 33 squeezes inward, and the extruded water bag 33 drives the water outlet disc 35 and the scraper plate 36 to rotate. The extruded water bag 33 squeezes water toward the water outlet disc 35, and the water outlet disc 35 cools the grinding area. The scraper plate 36 scrapes burrs outward to prevent thermal deformation of the workpiece caused by grinding, and also helps to reduce the accumulation of grinding chips during the grinding process and improve production efficiency.

[0030] See also Figure 1-9 On the basis of the above embodiment, another embodiment of the present invention further includes a material discharge and ejection device 5 and a debris removal mechanism 4.

[0031] The material discharge and ejection device 5 includes a material discharge box 51 and four buffer plates 52. The material discharge box 51 is driven by a motor, and the motor is fixedly mounted at the bottom of the cross 11. A plurality of recovery grooves are opened on the top of the material discharge box 51. The four buffer plates 52 are respectively fixedly mounted at one end of four springs. The buffer plates 52 can buffer the falling workpieces, reduce the impact and vibration of the workpieces, and prevent damage or shape changes when falling, thereby ensuring the integrity of the workpieces. The other ends of the four springs are fixedly mounted at the bottom of the inner wall of the recovery groove of the material discharge box 51.

[0032] The material discharge and ejection device 5 also includes eight telescopic columns 53, four ejection rod blocks 54, four sliding curved plates 55, a plurality of hinged blocks 56 and four ejection plates 57. Slide grooves are provided on the four sides of the top of the material discharge box 51. The eight telescopic columns 53 are respectively fixedly installed at the bottom of the inner wall of the recovery groove of the material discharge box 51, and the outer walls of the four telescopic columns 53 are respectively slidably installed with return springs. The four ejection rod blocks 54 are respectively fixedly installed on the top surfaces of the four telescopic columns 53 with return springs. The four sliding curved plates 55 are respectively fixedly installed on the tops of the four ejection rod blocks 54, and the four sliding curved plates 55 are respectively slidably installed at the bottom. On the slide groove of the material box 51, the ejection parts of the four sliding curved plates 55 are made of flexible material, several hinge blocks 56 are respectively fixedly installed on the upper surfaces of several buffer plates 52, and four telescopic columns 53 are respectively hinged at the bottom of the four hinge blocks 56, and four ejector rod blocks 54 are fixedly installed on the side walls of the four hinge blocks 56 away from the motor, and four ejector plates 57 are respectively hinged at the tops of the four buffer plates 52 and the four telescopic columns 53. The ejector rod block 54 drives the ejector plate 57 to eject the workpiece, which is convenient for the operator to take out the workpiece, greatly saves the operation time, and improves the work efficiency of the operator.

[0033] The debris removal mechanism 4 includes a waste collection box 41, a debris pushing plate 42, a U-shaped connecting frame 47 and a hinged telescopic rod 48. The waste collection box 41 passes through and is fixedly installed on the right side of the bottom of the cavity of the fuselage 1. One end of the hinged telescopic rod 48 is hinged to the bottom of the unloading box 51, and one end of the U-shaped connecting frame 47 is hinged to the other end of the hinged telescopic rod 48. The debris pushing plate 42 is fixedly installed at the other end of the U-shaped connecting frame 47. The debris pushing plate 42 pushes the impurities left by the grinding device 3 out of the working area to prevent impurities from accumulating and keep the working area clean. When the debris pushing plate 42 moves backward, the debris pushing plate 42 drives the connecting rod 43 hinged on the debris pushing plate 42 to move backward.

[0034] When in use, after grinding is completed, the rotating device rotates to the discharge port, the cylinder closes the suction, and the workpiece falls onto the ejector plate 57 in the discharge box 51. At the same time, the buffer plate 52 buffers the falling workpiece. The buffer plate 52 can buffer the falling workpiece, reduce the impact and vibration of the workpiece, and prevent damage or shape change when falling, thereby ensuring the integrity of the workpiece. The motor under the cross 11 is turned on, and the motor drives the discharge box 51 to rotate. After the discharge box 51 rotates to the material taking port, the flexible surface of the sliding curved plate 55 on the discharge box 51 When the sliding curved plate 55 fails to contact the bottom surface of the fuselage 1 due to the resistance of the ejection rod block 54, the telescopic column 53 with the return spring drives the ejection rod block 54 to move upward, and the ejection rod block 54 drives the sliding curved plate 55 to move upward, and the sliding curved plate 55 drives the ejection plate 57 to push upward, and the ejection plate 57 drives the workpiece to push upward to eject the workpiece, and the operator takes out the workpiece, and the ejection rod block 54 drives the ejection plate 57 to eject the workpiece, which makes it convenient for the operator to take out the workpiece, greatly saves the operation time, and improves the work efficiency of the operator.

[0035] The debris removal mechanism 4 also includes a connecting rod 43, a sliding block 44, two water-absorbing rollers 45 and a plurality of brushes 46. One end of the connecting rod 43 is fixedly mounted on the side wall of the debris-pushing plate 42 away from the fuselage 1, and the sliding block 44 is fixedly mounted on the other end of the connecting rod 43. The two water-absorbing rollers 45 are rotatably mounted on the left and right side walls of the sliding block 44, and a plurality of brushes 46 are evenly fixedly mounted on the outer walls of the two water-absorbing rollers 45. The water-absorbing rollers 45 and the brushes 46 are used to scrape and absorb the impurities on the inner wall that are stained with water, so as to prevent the accumulation of burrs and the decline in processing quality. At the same time, the production efficiency is also improved and the downtime for cleaning is reduced.

[0036] When the material box 51 rotates, one end of the hinged telescopic rod 48 is hinged to the bottom of the material box 51, and the other end of the hinged telescopic rod 48 is hinged to the U-shaped connecting frame 47, so that the hinged telescopic rod 48 as a whole rotates with the material box 51. When the hinged telescopic rod 48 rotates, the U-shaped connecting frame 47 is driven to move backward, and the U-shaped connecting frame 47 drives the push plate 42 to move backward. The push plate 42 pushes the impurities left by the grinding device 3 out of the working area to prevent the accumulation of impurities and keep the working area clean. When the debris pushing plate 42 moves backward, the debris pushing plate 42 drives the connecting rod 43 hinged on the debris pushing plate 42 to move backward, and the connecting rod 43 drives the sliding block 44 to slide upward toward the inner wall of the fuselage 1, and the sliding block 44 drives the water absorption roller 45 to roll upward, and the water absorption roller 45 drives the brush 46 to roll upward, and the impurities on the inner wall that are stained with water are scraped and absorbed by the water absorption roller 45 and the brush 46 to prevent burrs from accumulating and causing a decrease in processing quality. At the same time, it also improves production efficiency and reduces downtime for cleaning.

[0037] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A machine tool grinding device for machining mechanical spare parts, comprising a machine body (1), the machine body (1) being provided with a cavity, the machine body (1) comprising a cross (11), the cross (11) being fixedly mounted on the top inner wall and the left and right side walls of the cavity of the machine body (1), characterized in that: The top of the machine body (1) is provided with a drilling device (2), the right side of the machine body (1) is provided with a grinding device (3), the bottom of the cavity of the machine body (1) is provided with a debris removal mechanism (4), the bottom of the machine body (1) is provided with a material discharge and ejection device (5), the left side and the interior of the machine body (1) are provided with a material loading and rotating device (6), the grinding device (3) comprises an electric telescopic push rod (31), a water storage column (32), a squeeze water bag (33), a plurality of grinding strips (34) and a frame plate (37), the frame plate (37) being fixed The electric telescopic push rod (31) is fixedly mounted on the right outer wall of the machine body (1), the electric telescopic push rod (31) is fixedly mounted on the right outer wall of the frame plate (37), the water storage column (32) is fixedly mounted on one end of the electric telescopic push rod (31) away from the machine body (1), the squeeze water bag (33) is driven by a small motor, and the small motor is fixedly mounted on the other end of the electric telescopic push rod (31), and the squeeze water bag (33) is rotatably mounted on the output end of the small motor, and a plurality of the grinding strips (34) are respectively and evenly fixedly mounted on the outer wall of the squeeze water bag (33); The polishing device (3) further comprises a water outlet disc (35) and a plurality of scraping plates (36), wherein the water outlet disc (35) is fixedly mounted on one end of the squeezing water bag (33) close to the body (1), and the plurality of scraping plates (36) are fixedly mounted evenly on the side walls of the water outlet disc (35); A drilling opening is provided on the top of the machine body (1), and a drill bit of the drilling device (2) is driven by a motor, and the drilling device (2) is driven to extend and retract upward and downward by an electric push rod; A loading port is provided on the right side wall of the machine body (1); a loading box of the loading rotating device (6) is driven by an electric push rod, and the electric push rod is fixedly mounted on the left side wall of the loading box; a rotating device of the loading rotating device (6) is driven by a motor, and the motor is fixedly mounted on the side wall of the cross (11) close to the cavity of the machine body (1); the rotating device is driven by a cylinder, and the cylinder is fixedly mounted on the output end of the motor; The material discharge and ejection device (5) comprises a material discharge box (51) and four buffer plates (52), the material discharge box (51) is driven by a motor, and the motor is fixedly mounted on the bottom of the cross (11), and a plurality of recovery grooves are opened on the top of the material discharge box (51), and the four buffer plates (52) are respectively fixedly mounted on one end of four springs, and the other ends of the four springs are fixedly mounted on the bottom of the inner wall of the recovery groove of the material discharge box (51); The material discharge and ejection device (5) further comprises eight telescopic columns (53), four ejection rod blocks (54), four sliding curved plates (55), a plurality of hinge blocks (56) and four ejection plates (57); the top four sides of the material discharge box (51) are provided with slide grooves; the eight telescopic columns (53) are respectively fixedly mounted on the bottom of the inner wall of the recovery groove of the material discharge box (51); and the outer walls of the four telescopic columns (53) are respectively slidably mounted with return springs; the four ejection rod blocks (54) are respectively fixedly mounted on the top surfaces of the four telescopic columns (53) with return springs; and the four sliding curved plates (55) are respectively fixedly mounted on the top surfaces of the four telescopic columns (53) with return springs. At the top of the four ejector rod blocks (54), the four sliding curved plates (55) are respectively slidably mounted on the slide grooves of the unloading box (51), and the ejection parts of the four sliding curved plates (55) are made of flexible material, a plurality of hinge blocks (56) are respectively fixedly mounted on the upper surfaces of a plurality of buffer plates (52), and the four telescopic columns (53) are respectively hinged at the bottom of the four hinge blocks (56), and the four ejector rod blocks (54) are fixedly mounted on the side walls of the four hinge blocks (56) away from the motor, and the four ejector plates (57) are respectively hinged at the tops of the four buffer plates (52) and the four telescopic columns (53).

2. The machine tool grinding device for machining mechanical spare parts according to claim 1, characterized in that: The waste discharge mechanism (4) comprises a waste collection box (41), a waste pushing plate (42), a U-shaped connecting frame (47) and a hinged telescopic rod (48); the waste collection box (41) passes through and is fixedly mounted on the right side of the bottom of the cavity of the machine body (1); one end of the hinged telescopic rod (48) is hinged to the bottom of the material discharge box (51); one end of the U-shaped connecting frame (47) is hinged to the other end of the hinged telescopic rod (48); and the waste pushing plate (42) is fixedly mounted on the other end of the U-shaped connecting frame (47).

3. A machine tool grinding device for machining mechanical spare parts according to claim 2, characterized in that: The debris removal mechanism (4) further comprises a connecting rod (43), a sliding block (44), two water-absorbing rollers (45) and a plurality of brushes (46); one end of the connecting rod (43) is fixedly mounted on a side wall of the debris-pushing plate (42) away from the machine body (1); the sliding block (44) is fixedly mounted on the other end of the connecting rod (43); the two water-absorbing rollers (45) are rotatably mounted on the left and right side walls of the sliding block (44); and the plurality of brushes (46) are evenly fixedly mounted on the outer walls of the two water-absorbing rollers (45).

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