Automatic grinding device for outer circle of rack adjusting pressing block

Abstract

The invention relates to the technical field of machining, and one embodiment of the invention provides an automatic grinding device for the outer circle of a rack adjusting pressing block, which comprises a grinding frame, a grinding wheel, a driving device and a driving device, the to-be-ground part is cylindrical, and a notch is formed in one end opening of the to-be-ground part; a V-shaped feeding plate is fixedly installed above the supporting column, an electric push rod is fixedly installed at the end, away from the grinding frame, of the feeding plate, and a push plate is fixedly installed at the output end of the electric push rod; and the inner wall of the error correction frame is fixedly provided with an inclined plate, and the surface of the inclined plate is provided with a first guide plate used for guiding the part to be ground to the feeding plate. By means of the technical scheme, the technical problems that in the prior art, continuous replacement is needed in a large amount of operation, then the overall machining efficiency is affected, and meanwhile workpieces are difficult to screen when specific machined workpieces are polished are solved.

Description

Technical Field

[0001] Embodiments of the present invention relate to the technical field of machining, and more particularly, to an automatic external grinding device for a rack adjusting block outer circle. Background Art

[0002] An automatic external grinding device is a device dedicated to machining the outer surface of a workpiece. It mainly performs high-precision grinding on the workpiece through a grinding wheel. This device is usually used in fields such as mechanical manufacturing, the automotive industry, and aerospace to perform high-precision grinding on the outer surface and meet processing tasks with high requirements for dimensional accuracy, surface finish, etc.

[0003] The patent with the patent publication number CN108818179B relates to a rotary grinding device for valves, including a bottom plate. A turntable is rotatably connected to the bottom plate. A valve fixing mechanism is provided on the turntable. A worm gear tooth is provided on the outer circumferential surface of the turntable. A worm is installed on the bottom plate and meshes with the worm gear tooth. A first gear is coaxially connected to the right end of the worm. A moving seat is provided on the right side of the turntable. A driving motor is installed on the moving seat and the driving motor is connected to a grinding wheel. The moving seat is matched with a lead screw and a guide rod distributed in the axial direction parallel to the worm. The right end of the lead screw is connected to a second gear. A motor that slides in the direction perpendicular to the axis of the worm is provided on the bottom plate. The motor is connected to a driving gear adapted to the first gear and the second gear and a power device that pushes the motor to slide. The use of the turntable in this patent can achieve sequential grinding of different valve mounting surfaces after one clamping, improve work efficiency, reduce labor intensity, and have accurate positioning and strong reliability when switching different valve mounting surfaces.

[0004] In the above patent, the use of the turntable can achieve sequential grinding of different valve mounting surfaces after one clamping, improve work efficiency, reduce labor intensity, and have accurate positioning and strong reliability when switching different valve mounting surfaces. However, it needs to be continuously replaced during a large number of operations, which affects the overall processing efficiency. At the same time, it is difficult to screen workpieces when grinding specific workpieces. Therefore, an automatic external grinding device for a rack adjusting block outer circle with an error correction function is designed. Summary of the Invention

[0005] To overcome the above defects, embodiments of the present invention provide an automatic external grinding device for a rack adjusting block outer circle, which solves the technical problems in the prior art that continuous replacement is required during a large number of operations, thereby affecting the overall processing efficiency, and it is difficult to screen workpieces when grinding specific workpieces.

[0006] According to one aspect, at least one embodiment of the present invention provides an automatic external grinding device for a rack adjusting block outer circle, including: A grinding frame, inside which a grinding wheel is provided; Workpiece to be ground, the workpiece to be ground is cylindrical, and a notch is provided at one port of the workpiece to be ground; Support column, a feeding plate is fixedly installed above the support column, the feeding plate is arranged in a V shape, an electric push rod is fixedly installed at one end of the feeding plate away from the grinding frame, and a push plate is fixedly installed at the output end of the electric push rod; Error correction frame, an inclined plate is fixedly installed on the inner wall of the error correction frame, a guide plate one for guiding the workpiece to be ground to the feeding plate is arranged on the surface of the inclined plate, and an error correction plate for screening the orientation of the workpiece to be ground slides through the inner wall of the error correction frame.

[0007] For example, in an automatic external grinding device for a rack adjustment pressing block provided by at least one embodiment of the present invention, there are two grinding frames, and the two grinding frames are mirror-symmetrically distributed. The guide plate one is perpendicular to the inclined plate, the guide plate one is inclined downward in the direction close to the feeding plate, and the error correction plate is perpendicular to and slides through the inclined plate.

[0008] A baffle one for preventing the workpiece to be ground from being misaligned during the guiding process is arranged on one side of the push plate close to the electric push rod; There are two error correction plates and three guide plates one, and gaps are arranged between the guide plates one in pairs. The two error correction plates are respectively arranged between the gaps of the two guide plates one. The workpiece to be ground is pushed into the interior of the grinding frame under the action of the electric push rod, and then is ground under the action of the grinding wheels on both sides. The processing accuracy of the workpiece to be ground can be further improved by grinding on both sides.

[0009] According to another aspect, at least one embodiment of the present invention further provides an automatic external grinding device for a rack adjustment pressing block, which further includes an adjusting device. The adjusting device includes a connecting plate, the connecting plate is fixedly installed at one end of the two error correction plates outside the error correction frame, a rotating rod is rotatably installed on the outer wall of the error correction frame, a turntable is fixedly installed at one end of the rotating rod away from the error correction frame, the rotating rod rotatably penetrates through the connecting plate, a spiral groove is formed on the surface of the rotating rod, and the rotating rod is threadedly connected with the connecting plate. The staff rotates the turntable, the turntable rotates to drive the rotating rod to rotate, the rotating rod rotates to drive the connecting plate to move through the spiral groove, the connecting plate moves to drive the error correction plate to move, and the movement of the error correction plate can change the support point of the center of gravity of the workpiece to be ground.

[0010] It further includes a correction device. The correction device includes an adjustment plate which slidably penetrates through the error correction frame. A fixing rod is fixedly installed on the surface of the adjustment plate, and the fixing rod is fixedly installed on the surface of the inclined plate. There are two fixing rods. A blocking rod for correcting the orientation of the falling workpiece to be ground is rotatably penetrated between the two fixing rods. One end of the adjustment plate located outside the error correction frame is fixedly connected to the connecting plate. When the connecting plate moves, it drives the adjustment plate to move. The movement of the adjustment plate drives the fixing rod to move, and the movement of the fixing rod drives the blocking rod to move.

[0011] For example, in an automatic grinding device for the outer circle of a rack adjustment pressing block provided by at least one embodiment of the present invention, the correction device further includes a motor which is fixedly installed on the surface of the adjustment plate. The output end of the motor is fixedly connected to the blocking rod. A second guiding plate is fixedly installed on the inner wall of the error correction frame. A sliding plate for pushing the workpiece to be ground after error correction is slidably installed inside the error correction frame. A sliding groove is formed on the surface of the sliding plate, and a clamping ring is slidably installed inside the sliding groove and the clamping ring is slidably installed on the circumferential surface of the blocking rod. A spiral groove is provided on the surface of the blocking rod, and the blocking rod is threadedly connected to the clamping ring. The left guiding plate one is rotatably connected to the inclined plate. The sliding plate moves to push the workpiece to be ground after correction to move. The workpiece to be ground after correction moves towards the feeding plate under the action of the second guiding plate. During this process, the workpiece to be ground will squeeze the left guiding plate one to rotate and tilt. Subsequently, the workpiece to be ground after correction will enter above the feeding plate and subsequent grinding will be carried out.

[0012] According to the above technical solution, a second baffle is fixedly installed above the side of the sliding plate close to the motor. A placement groove is formed on the surface of the second guiding plate, and a pressure sensor is arranged inside the placement groove. An induction module and a signal transmitting module are arranged inside the pressure sensor. When the sliding plate moves, it drives the second baffle to move, and the movement of the baffle will block the lower part of the error correction plate.

[0013] The beneficial effects of the embodiments of the present invention are as follows: In the present invention, through the settings of the guiding plate one and the error correction plate, during the feeding process of the workpiece to be ground, the screening of the workpiece to be ground is realized through the change of the center of gravity caused by different orientations of the notches, simply and conveniently avoiding the problem of scattering during the grinding process due to the orientation or mutual biting of the notches of the workpiece to be ground. At the same time, the grinding accuracy of the workpiece to be ground can be further improved by the double grinding wheels.

[0014] In the present invention, the staff adjusts the error correction plate by rotating the turntable, realizing effective error correction for workpieces to be ground of different sizes, improving the applicability of the equipment. At the same time, before the equipment grinds, the staff can adjust the position of the error correction plate through the turntable, enabling the error correction plate to maintain higher accuracy during the error correction process.

[0015] In the present invention, through the setting of the blocking rod, the to-be-ground part after error correction is flipped during the falling process, and the to-be-ground part after flipping will keep the notch facing away from the inclined plate, which is convenient for subsequent processing work. At the same time, under the action of the adjusting plate, the blocking rod is synchronously adjusted during the adjustment of the error correction plate, so as to prevent the blocking rod from losing its effect when correcting to-be-ground parts of different sizes, and further improve the practicability of the equipment.

[0016] In the present invention, the sliding plate moves to re-feed the corrected to-be-ground part. During this process, the to-be-ground part will squeeze the left guide plate 1 to rotate and tilt. Subsequently, the corrected to-be-ground part will enter above the feeding plate and undergo subsequent grinding. At the same time, the inclined guide plate 1 will prevent the to-be-ground part after error correction from feeding, and complete the feeding operation of all to-be-ground parts during the subsequent reciprocating process, improving the processing efficiency of the to-be-ground parts.

[0017] In the present invention, through the setting of the pressure sensor, when the error correction causes the to-be-ground part to stand up, the standing to-be-ground part will squeeze the detection end of the pressure sensor to move, and alarm the staff through the induction module and the signal transmission module, reminding the staff to intervene and make adjustments. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the drawings required for the description of the embodiments of the present invention. Obviously, the following drawings are only some exemplary embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained according to the content of the exemplary embodiments of the present invention and these drawings.

[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the position structure of the feeding plate and the error correction frame of the present invention; Figure 3 It is a schematic diagram of the position structure of the electric push rod and the baffle 1 of the present invention; Figure 4 It is a schematic diagram of the position structure of the inclined plate and the guide plate 1 of the present invention; Figure 5 It is a schematic diagram of the position structure of the connecting plate and the adjusting plate of the present invention; Figure 6 For the present invention Figure 5 The enlarged structure diagram of part A in; Figure 7 It is a schematic diagram of the position structure of the sliding plate and the adjusting plate of the present invention; Figure 8 For the present invention Figure 7 The enlarged structure diagram of part B in; Figure 9This is a schematic diagram of the position structure of the workpiece to be ground and the error correction plate of the present invention.

[0020] In the figure: 1. Grinding frame; 101. Grinding wheel; 2. Workpiece to be ground; 201. Notch; 3. Support column; 301. Feeding plate; 302. Electric push rod; 303. Push plate; 304. First baffle; 4. Error correction frame; 401. Inclined plate; 402. First guiding plate; 403. Error correction plate; 501. Connecting plate; 502. Rotating rod; 503. Turntable; 601. Adjusting plate; 602. Fixed rod; 603. Stop rod; 604. Motor; 605. Second guiding plate; 606. Sliding plate; 607. Snap ring; 608. Second baffle; 609. Pressure sensor. Detailed implementation manners The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the present invention, rather than limiting the present invention.

[0021] For the sake of simplicity of the drawings, only the parts related to the invention are schematically shown in each drawing, and they do not represent the actual structure of the product. In addition, for the sake of simplicity and easy understanding of the drawings, in some drawings, parts with the same structure or function are only schematically shown for one of them, or only one of them is marked. In this article, "one" not only means "only this one", but also means "more than one" situation, and "several" includes "two" and "more than two".

[0022] In this article, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0023] In the present invention, unless otherwise clearly specified and limited, the first feature being "above" or "below" the second feature may include direct contact between the first and second features, or may include that the first and second features are not in direct contact but through other features between them. Moreover, the first feature being "above", "over" and "on" the second feature includes that the first feature is directly above and obliquely above the second feature, or only means that the horizontal height of the first feature is higher than that of the second feature. The first feature being "below", "under" and "beneath" the second feature includes that the first feature is directly below and obliquely below the second feature, or only means that the horizontal height of the first feature is lower than that of the second feature.

[0024] In the description of this embodiment, the orientation or positional relationships such as "upper", "lower", "left", "right", etc. are based on the orientation or positional relationships shown in the drawings. They are only for the convenience of description and simplifying the operation, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present invention.

[0025] In addition, in the description of this application, the terms "first", "second", etc. are only used for distinguishing descriptions and cannot be understood as indicating or implying relative importance.

[0026] As Figures 1 to 9 shown, it shows an automatic grinding device for the outer circle of a rack adjusting pressing block in an embodiment of the present invention, including: A grinding frame 1, inside which a grinding wheel 101 is arranged; A workpiece to be ground 2, which is cylindrical, and a notch 201 is arranged at one port of the workpiece to be ground 2; A support column 3, above which a feeding plate 301 is fixedly installed. The feeding plate 301 is V-shaped. An electric push rod 302 is fixedly installed at one end of the feeding plate 301 away from the grinding frame 1, and a push plate 303 is fixedly installed at the output end of the electric push rod 302; An error correction frame 4, inside the wall of which an inclined plate 401 is fixedly installed. A guide plate one 402 for guiding the workpiece to be ground 2 to the feeding plate 301 is arranged on the surface of the inclined plate 401. An error correction plate 403 for screening the orientation of the workpiece to be ground 2 slides through the inner wall of the error correction frame 4.

[0027] In some examples, there are two grinding frames 1, and the two grinding frames 1 are mirror-distributed. The guide plate one 402 is perpendicular to the inclined plate 401, and the guide plate one 402 is inclined downward in the direction close to the feeding plate 301. The error correction plate 403 is perpendicular and slides through the inclined plate 401.

[0028] When the workpiece 2 to be ground is transported above the guide plate 402 on the surface of the error correction frame 4 by the feeding mechanism, the workpiece 2 gradually rolls downward under the inclination of the guide plate 402. When the workpiece 2 rolls above the error correction plate 403, due to the notch 201 on the workpiece 2, different orientations of the notch 201 will cause the center of gravity of the workpiece 2 to change. When the notch 201 faces the inclined plate 301, the center of gravity of the workpiece 2 will be at the port of the error correction plate 403. At this time, the workpiece 2 will fall from the surface of the error correction plate 403 due to the lack of support for the center of gravity, thus completing the screening of the notch orientation of the workpiece 2. When the notch 201 faces the side away from the inclined plate 301, the center of gravity of the workpiece 2 will approach the surface of the inclined plate 301 and will be supported by the error correction plate 403, and will gradually enter the upper side of the feeding plate 301 under the action of the subsequent guide plate 402. During this process, the electric push rod 302 starts and drives the push plate 303 to reciprocate through the output end. The reciprocating movement of the push plate 303 feeds the workpiece 2. The workpiece 2 is pushed into the grinding frame 2 under the action of the electric push rod 302, and then is ground under the action of the two grinding wheels 101 on both sides. The processing accuracy of the workpiece 2 can be further improved through grinding on both sides, and at the same time, continuous grinding operations can be realized, improving the grinding efficiency. Under the action of the error correction plate 403, the orientations of the notches 201 of the workpiece 2 can be effectively adjusted to be consistent, avoiding the scattering of the workpiece 2 during the grinding process due to the notch 201 orientation problem or mutual occlusion.

[0029] For example, as Figures 1 to 9 shown, a first baffle 304 for preventing the workpiece 2 from being misaligned during the guiding process is provided on the side of the push plate 303 close to the electric push rod 302; During the feeding process, the output end of the electric push rod 302 will drive the push plate 303 to move. The movement of the push plate 303 drives the first baffle 304 to move. The movement of the baffle 304 can block the workpiece 2 above the subsequent guide plate 402, preventing the subsequent workpiece 2 from entering behind the push plate 303 and thus affecting the feeding operation of the electric push rod 302.

[0030] There are two error correction plates 403, and there are three guide plates 402. There are gaps between the two guide plates 402. The two error correction plates 403 are respectively arranged in the gaps between the two guide plates 402. The two error correction plates 403 can avoid unexpected situations during the error correction process and improve the accuracy of error correction.

[0031] It further includes an adjusting device, and the adjusting device includes a connecting plate 501. The connecting plate 501 is fixedly installed at one end of the two error-correcting plates 403 outside the error-correcting frame 4. A rotating rod 502 is rotatably installed on the outer wall of the error-correcting frame 4. A turntable 503 is fixedly installed at one end of the rotating rod 502 away from the error-correcting frame 4. The rotating rod 502 rotatably penetrates through the connecting plate 501. A spiral groove is formed on the surface of the rotating rod 502, and the rotating rod 502 is threadedly connected with the connecting plate 501.

[0032] In this embodiment: When the standard sizes of the workpieces to be ground 2 are different, the staff rotates the turntable 503. The rotation of the turntable 503 drives the rotation of the rotating rod 502. The rotation of the rotating rod 502 drives the connecting plate 501 to move through the spiral groove. The movement of the connecting plate 501 drives the movement of the error-correcting plate 403. The movement of the error-correcting plate 403 can change the support point of the center of gravity of the workpiece to be ground 2, thereby effectively correcting workpieces to be ground 2 of different sizes, improving the applicability of the equipment. At the same time, before the equipment performs grinding, the staff can adjust the position of the error-correcting plate 403 through the turntable 503, so that the error-correcting plate 403 maintains higher accuracy during the error-correcting process.

[0033] As Figures 1 to 9 shown, it shows that in another embodiment of the present invention, it further includes a correcting device. The correcting device includes an adjusting plate 601. The adjusting plate 601 slidably penetrates through the error-correcting frame 4. A fixing rod 602 is fixedly installed on the surface of the adjusting plate 601. The fixing rod 602 is fixedly installed on the surface of the inclined plate 401. There are two fixing rods 602. A blocking rod 603 for correcting the orientation of the dropped workpiece to be ground 2 is rotatably penetrated between the two fixing rods 602. One end of the adjusting plate 601 outside the error-correcting frame 4 is fixedly connected to the connecting plate 501.

[0034] In some examples, the workpiece to be ground 2 will contact the blocking rod 603 during the process of error-correcting and dropping. At this time, the workpiece to be ground 2 will be flipped under the action of the blocking rod 603. The flipped workpiece to be ground 2 will keep the notch facing away from the inclined plate 401, which is convenient for subsequent processing work. At the same time, when the connecting plate 501 moves, it will drive the movement of the adjusting plate 601. The movement of the adjusting plate 601 drives the movement of the fixing rod 602. The movement of the fixing rod 602 drives the movement of the blocking rod 603, thereby realizing the synchronous adjustment of the blocking rod 603 during the adjustment of the error-correcting plate 403, avoiding the blocking rod 603 losing its effect when correcting workpieces to be ground 2 of different sizes, and further improving the practicality of the equipment.

[0035] For example, as Figures 1 to 9As shown, the correction device further includes a motor 604, which is fixedly installed on the surface of the adjustment plate 601. The output end of the motor 604 is fixedly connected to the stop bar 603. A second guide plate 605 is fixedly installed on the inner wall of the error correction frame 4. A sliding plate 606 for pushing the workpiece to be ground 2 after error correction is slidably installed inside the error correction frame 4. A chute is formed on the surface of the sliding plate 606. A snap ring 607 is slidably installed inside the chute and is also slidably installed on the circumferential surface of the stop bar 603. A spiral groove is provided on the surface of the stop bar 603. The stop bar 603 is threadedly connected to the snap ring 607. The left first guide plate 402 is rotatably connected to the inclined plate 401.

[0036] In this embodiment: Start the motor 604. The output end of the motor 604 rotates to drive the stop bar 603 to rotate. Under the action of the spiral groove and the chute, the stop bar 603 drives the snap ring 607 to move away from the motor 603. The movement of the snap ring 607 drives the sliding plate 606 to move. The movement of the sliding plate 606 pushes the workpiece to be ground 2 after correction to move. The workpiece to be ground 2 after correction moves in the direction of the feeding plate 301 under the action of the second guide plate 605. During this process, the workpiece to be ground 2 will squeeze the left first guide plate 402 to rotate and tilt. Subsequently, the workpiece to be ground 2 after correction will enter above the feeding plate 301 and subsequent grinding will be carried out. At the same time, the tilted first guide plate 402 will prevent the workpiece to be ground 2 after error correction from feeding, and complete the feeding operation of all workpieces to be ground 2 during subsequent reciprocating processes, improving the processing efficiency of the workpiece to be ground 2.

[0037] A second baffle 608 is fixedly installed above the side of the sliding plate 606 close to the motor 604. A placement groove is formed on the surface of the second guide plate 605. A pressure sensor 609 is arranged inside the placement groove. An induction module and a signal transmission module are arranged inside the pressure sensor 609; When the sliding plate 606 moves, it will drive the second baffle 608 to move. The movement of the baffle 608 will block the lower part of the error correction plate 403, preventing the workpiece to be ground 2 after error correction from falling to the back of the sliding plate 606 during the feeding process of the workpiece to be ground 2 after correction, thus affecting the subsequent feeding operation. At the same time, during the movement of the normal workpiece to be ground 2 after correction, it will roll and press over the pressure sensor 609. When a small probability of correction problem occurs and the workpiece to be ground 2 falls vertically and stands up, the standing workpiece to be ground 2 will push and squeeze the detection end of the pressure sensor 609 to move, and alarm the staff through the induction module and the signal transmission module to remind the staff to intervene and make adjustments.

[0038] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present invention, and they should all be covered within the scope of the claims of the present invention.

Claims

1. An automatic grinding device for the outer circle of a rack adjusting press block, characterized in that Including: A grinding frame (1), inside which a grinding wheel (101) is arranged; A workpiece to be ground (2), which is cylindrical, and a notch (201) is arranged at one end of the workpiece to be ground (2); A support column (3), above which a feeding plate (301) is fixedly installed. The feeding plate (301) is V-shaped. At the end of the feeding plate (301) far from the grinding frame (1), an electric push rod (302) is fixedly installed, and a push plate (303) is fixedly installed at the output end of the electric push rod (302); An error correction frame (4), inside which an inclined plate (401) is fixedly installed. On the surface of the inclined plate (401), a first guiding plate (402) is arranged for guiding the workpiece to be ground (2) to the feeding plate (301). An error correction plate (403) for screening the orientation of the workpiece to be ground (2) slides through the inner wall of the error correction frame (4).

2. The automatic grinding device for the outer circle of the rack adjusting pressing block according to claim 1, wherein: There are two grinding frames (1), and the two grinding frames (1) are mirror-symmetrically distributed. The first guiding plate (402) is perpendicular to the inclined plate (401), and the first guiding plate (402) slopes downward in the direction close to the feeding plate (301). The error correction plate (403) is perpendicular to and slides through the inclined plate (401).

3. An automatic grinding device for the outer circle of a rack adjusting pressing block according to claim 2, characterized in that: On the side of the push plate (303) close to the electric push rod (302), a first baffle (304) is arranged to prevent the workpiece to be ground (2) from being misaligned during the guiding process.

4. An automatic grinding device for the outer circle of a rack adjusting pressing block according to claim 3, characterized in that: There are two error correction plates (403) and three first guiding plates (402), and there are gaps between the two first guiding plates (402). The two error correction plates (403) are respectively arranged in the gaps between the two first guiding plates (402).

5. An automatic grinding device for the outer circle of a rack adjusting pressing block according to claim 4, characterized in that: It further includes an adjusting device, which includes a connecting plate (501). The connecting plate (501) is fixedly installed at one end of the two error correction plates (403) outside the error correction frame (4). A rotating rod (502) is rotatably installed on the outer wall of the error correction frame (4). At the end of the rotating rod (502) far from the error correction frame (4), a turntable (503) is fixedly installed. The rotating rod (502) rotates through the connecting plate (501). A spiral groove is formed on the surface of the rotating rod (502), and the rotating rod (502) is threadedly connected with the connecting plate (501).

6. An automatic grinding device for the outer circle of a rack adjusting press block according to claim 5, characterized in that: It further includes a correcting device, which includes an adjusting plate (601). The adjusting plate (601) slides through the error correction frame (4). On the surface of the adjusting plate (601), a fixing rod (602) is fixedly installed. The fixing rod (602) is fixedly installed on the surface of the inclined plate (401).

7. An automatic grinding device for the outer circle of a rack adjusting press block according to claim 6, characterized in that: There are two fixing rods (602). A blocking rod (603) for correcting the orientation of the dropped workpiece to be ground (2) rotates through between the two fixing rods (602). One end of the adjusting plate (601) outside the error correction frame (4) is fixedly connected with the connecting plate (501).

8. An automatic grinding device for the outer circle of a rack adjusting pressing block according to claim 7, characterized in that: The correction device further includes a motor (604), the motor (604) is fixedly installed on the surface of the adjusting plate (601), the output end of the motor (604) is fixedly connected to the blocking rod (603), a second guiding plate (605) is fixedly installed on the inner wall of the error correction frame (4), and a sliding plate (606) for pushing the workpiece to be ground (2) after error correction is slidably installed inside the error correction frame (4).

9. An automatic grinding device for the outer circle of a rack adjusting pressing block according to claim 8, characterized in that: A chute is formed on the surface of the sliding plate (606), a clamping ring (607) is slidably installed inside the chute and is slidably installed on the circumferential surface of the blocking rod (603), a spiral groove is provided on the surface of the blocking rod (603), the blocking rod (603) is threadedly connected to the clamping ring (607), and the left first guiding plate (402) is rotatably connected to the inclined plate (401).

10. An automatic grinding device for the outer circle of a rack adjusting press block according to claim 9, characterized in that: A second baffle (608) is fixedly installed above the side of the sliding plate (606) close to the motor (604), a placement groove is formed on the surface of the second guiding plate (605), and a pressure sensor (609) is arranged inside the placement groove.

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