Grinding equipment for automobile precision forgings

Abstract

The invention belongs to the technical field of automobile forge piece machining, and particularly relates to grinding equipment for automobile precision forge pieces, which comprises a base, support frames, a grinding table, a stepped positioning mechanism and an opposite force type slip reduction mechanism, the support frames are symmetrically arranged on the upper walls of the two ends of the base, the grinding table is arranged on the upper walls of the support frames, the stepped positioning mechanism is arranged on the grinding table, and the opposite force type slip reduction mechanism is arranged on the base. The opposite force type sliding reduction mechanism is arranged on the step type positioning mechanism, the step type positioning mechanism comprises an inner fixing mechanism, a driving mechanism, a distance attaching mechanism and a touch grinding mechanism, and the inner fixing mechanism is arranged on the upper wall of the grinding table. According to the grinding equipment for the automobile precision forgings, the fixing force of the forgings can be matched with the grinding force of the forgings, it can be guaranteed that the forgings cannot be loosened in the grinding operation, it can also be guaranteed that the forgings cannot be excessively positioned, and the forgings of different sizes can be ground.

Description

Technical Field

[0001] The invention belongs to the technical field of automobile forging processing, and specifically refers to a grinding device for automobile precision forgings. Background Art

[0002] Grinding is the process of using abrasive particles on abrasive tools (bonded abrasive tools such as grinding wheels, or coated abrasive tools such as abrasive belts) to perform micro-cutting on the surface of a workpiece. During the grinding process, the abrasive particles hit the surface of the workpiece at an extremely high speed, and through friction and cutting, the tiny excess on the surface of the workpiece is removed to achieve a flat and smooth effect.

[0003] The existing forging grinding equipment has the following problems: When the existing forging grinding equipment is clamping and fixing the forging for grinding, it is easy to cause excessive clamping of the forging, which makes it more difficult to take and put the forging and damages the surface of the forging. Therefore, it cannot meet the existing use requirements of forging grinding equipment. Summary of the invention

[0004] In view of the above situation, in order to overcome the defects of the prior art, the present solution provides a grinding device for automotive precision forgings that can match the fixing force of the forgings with the grinding force of the forgings, which can ensure that the forgings will not loosen during the grinding operation, and can ensure that the forgings will not be over-positioned, and can grind forgings of different sizes.

[0005] The technical scheme adopted in this scheme is as follows: This scheme proposes a grinding equipment for automobile precision forgings, including a base, a support frame, a grinding table, a step-type positioning mechanism and a force-type slip reduction mechanism. The support frame is symmetrically arranged on the upper walls at both ends of the base, the grinding table is arranged on the upper wall of the support frame, the step-type positioning mechanism is arranged on the grinding table, and the force-type slip reduction mechanism is arranged on the step-type positioning mechanism. The step-type positioning mechanism includes an internal fixing mechanism, a driving mechanism, a distance mechanism and a contact grinding mechanism. The internal fixing mechanism is arranged on the upper wall of the grinding table, the driving mechanism is arranged on the bottom wall of the grinding table, the distance mechanism is arranged on the side wall of the grinding table, and the contact grinding mechanism is arranged on the distance mechanism. The force-type slip reduction mechanism includes a grinding-increasing mechanism and a unloading mechanism. The grinding-increasing mechanism is arranged on the driving mechanism, and the unloading mechanism is arranged on the grinding-increasing mechanism.

[0006] As a further preferred embodiment of the present invention, the internal fixing mechanism includes a rotating ring plate and a stepped shaft-shaped cylinder, the rotating ring plate is arranged through the inner wall of the grinding table, the rotating ring plate is rotatably connected to the grinding table, the stepped shaft-shaped cylinder is arranged on the upper wall of the rotating ring plate, and the stepped shaft-shaped cylinder is arranged with an opening at the lower end; the driving mechanism includes a driving frame, a driving motor and a driving shaft, the rotating ring plate is arranged on the bottom wall of the grinding table, the driving motor is arranged on the bottom wall of the driving frame, and the driving shaft passes through the driving frame and is arranged between the power end of the driving motor and the top wall of the stepped shaft-shaped cylinder; the distance-adjusting mechanism includes a distance-adjusting cylinder, a sliding magnetic block, a distance-adjusting spring and a distance-adjusting electromagnet, and multiple groups of the distance-adjusting cylinders are arranged through the grinding The side wall of the cutting table and the distance adjusting cylinder are through-set, the sliding magnetic block is slidably set on the inner wall of the distance adjusting cylinder, the distance adjusting spring is set between the sliding magnetic block and the inner wall of the distance adjusting cylinder, and the distance adjusting electromagnet is set on the inner wall of the distance adjusting cylinder away from the distance adjusting spring; the contact grinding mechanism includes a special-shaped rod, a grinding seat, a coarse grinding layer and a fine grinding layer, the special-shaped rod passes through the distance adjusting cylinder and is set on the side wall of the sliding magnetic block, multiple groups of the grinding seats are set at the end of the special-shaped rod away from the distance adjusting cylinder, and the grinding seats respectively correspond to the parts of the stepped shaft-shaped cylinder with different diameters, the coarse grinding layer is set on a group of relatively set grinding seat side walls on the outside of the stepped shaft-shaped cylinder, and the fine grinding layer is set on another group of relatively set grinding seat side walls.

[0007] When in use, in the initial state, the distance adjusting spring is in a compression setting, the distance between the coarse grinding layer and the fine grinding layer and the side wall of the stepped shaft-shaped cylinder is at a minimum value, the distance adjusting electromagnet is energized to generate magnetism, the distance adjusting electromagnet and the sliding magnet block are set with opposite poles, the distance adjusting electromagnet is fixed to the inner wall of the distance adjusting cylinder and absorbs the sliding magnet block by magnetic force, the sliding magnet block slides along the inner wall of the distance adjusting cylinder by utilizing the deformation of the distance adjusting spring, the sliding magnet block drives the grinding seat away from the side wall of the stepped shaft-shaped cylinder through the special-shaped rod, the distance between the coarse grinding layer and the fine grinding layer and the side wall of the stepped shaft-shaped cylinder increases, the annular forging is inserted into the outside of the stepped shaft-shaped cylinder, the annular forging slides and falls along the side wall of the stepped shaft-shaped cylinder, and the annular forging is clamped at the position of the diameter corresponding to the stepped shaft-shaped cylinder. , the annular forging is completely inserted into the outside of the stepped shaft-shaped cylinder by external force, the pitch-adjusting electromagnet is powered off and demagnetized, the pitch-adjusting spring elastically resets to drive the coarse grinding layer to fit with the surface of the stepped shaft-shaped cylinder, the driving motor drives the driving shaft to rotate through the power end, and the driving shaft drives the annular forging engaged on the outside thereof to rotate through the stepped shaft-shaped cylinder. During the rotation, the annular forging rubs against the coarse grinding layer, so that the coarse grinding layer performs rough machining and grinding on the annular forging, and then the pitch-adjusting electromagnet corresponding to the coarse grinding layer is energized to generate magnetism, the coarse grinding layer is away from the side wall of the stepped shaft-shaped cylinder, the pitch-adjusting electromagnet corresponding to the fine grinding layer is powered off and demagnetized, the fine grinding layer contacts the surface of the annular forging, and the annular forging is finely machined and ground.

[0008] Preferably, the wear-increasing mechanism comprises a steering block, a groove, a wear-increasing plate, a wear-increasing spring, a wear-increasing electromagnet, an oil-removing magnet, an oil-absorbing cotton layer and an oil-removing groove, a plurality of groups of the steering blocks are arranged on the side wall of the drive shaft from top to bottom, a plurality of groups of the grooves are arranged on the side wall of the steering block, the groove is open at one end, the wear-increasing plate is slidably arranged inside the groove, the wear-increasing spring is arranged between the inner wall of the groove and the wear-increasing plate, the wear-increasing electromagnet is arranged on the inner wall of the groove on one side of the wear-increasing spring, the oil-removing magnet is arranged on the side of the wear-increasing plate close to the wear-increasing electromagnet, and the wear-increasing electromagnet and the oil-removing magnet are arranged on the inner wall of the groove on one side of the wear-increasing spring. Relative to each other, the oil-absorbing cotton layer is arranged on the side of the wear-increasing plate away from the groove, and multiple groups of oil removal grooves are arranged on the side wall of the stepped shaft-shaped cylinder. The oil removal grooves are through-arranged, and the steering block, groove, wear-increasing plate, oil-absorbing cotton layer and oil removal grooves are horizontally arranged; the unloading mechanism includes a unloading rod, an unloading electromagnet and a lifting magnet. Multiple groups of unloading rods penetrate the inner wall of the grinding table outside the rotating ring plate, the unloading electromagnet is arranged on the upper wall of the base below the unloading rod, and the lifting magnet is arranged on the side of the unloading rod close to the unloading electromagnet, and the unloading electromagnet and the lifting magnet are arranged opposite to each other.

[0009] When in use, when the annular forging is engaged with the outer side of the stepped shaft-shaped cylinder of corresponding size, the engagement friction is relatively large, and it is necessary to first apply lubricating oil to the annular inner wall of the annular forging to reduce the resistance of the annular forging to be installed on the outer side of the stepped shaft-shaped cylinder. At this time, the distance-adjusting electromagnet corresponding to the rough grinding layer is energized to generate magnetism, and the distance-adjusting electromagnet and the sliding magnetic block are arranged with the same pole. The distance-adjusting electromagnet is fixed on the inner wall of the distance-adjusting cylinder and pushes the sliding magnetic block through repulsion. The sliding magnetic block slides along the inner wall of the distance-adjusting cylinder and drives the special-shaped rod. The special-shaped rod drives the rough grinding layer through the grinding seat to fit closely with the side wall of the annular forging. The friction between the annular forging with lubricating oil and the stepped shaft-shaped cylinder is relatively small. The stepped shaft-shaped cylinder will slip when rotating and driving the annular forging. In the initial state, the wear-increasing spring is in a compressed setting, the wear-increasing plate is retracted into the groove, the wear-increasing electromagnet is energized to generate magnetism, the wear-increasing electromagnet and the oil-removing magnet are set with the same poles, the wear-increasing electromagnet pushes the oil-removing magnet through repulsion, and the oil-removing magnet uses the deformation of the wear-increasing spring to drive the wear-increasing plate to extend out of the groove, the wear-increasing plate drives the oil-absorbing cotton layer to penetrate the oil-removing groove and contact the inner wall of the annular forging, under the clamping of the coarse grinding layer, the annular forging remains relatively fixed, the driving shaft drives the oil-absorbing cotton layer to rotate through the steering block, and the rotation of the oil-absorbing cotton layer wipes the lubricating oil on the inner wall of the annular forging , adsorption, the lubricating oil on the inner wall of the annular forging is reduced, and the friction between the inner wall of the annular forging and the surface of the stepped shaft-shaped cylinder is increased. When the annular forging overcomes the clamping force of the rough grinding layer, the annular forging rotates synchronously with the stepped shaft-shaped cylinder. At this time, the friction between the inner wall of the annular forging and the surface of the stepped shaft-shaped cylinder is greater than the clamping force of the rough grinding layer on the annular forging, and the stepped shaft-shaped cylinder drives the annular forging to rotate between the rough grinding layers. Since the friction between the stepped shaft-shaped cylinder and the annular forging is slightly greater than the friction between the rough grinding layer and the annular forging, the polished annular forging can be easily removed from the outside of the stepped shaft-shaped cylinder, increasing the wear of the electromagnet Magnetism is generated when electricity is turned on. The wear-increasing electromagnet is fixed on the inner wall of the groove and pushes the oil removal magnet through repulsion. The oil removal magnet uses the deformation of the wear-increasing spring to drive the wear-increasing plate to extend out of the groove. The wear-increasing plate drives the oil-absorbing cotton layer and the inner wall of the annular forging to squeeze each other. The lubricating oil inside the oil-absorbing cotton layer is squeezed out and the lubricating oil is coated on the inner wall of the annular forging. The unloading electromagnet generates magnetism when electricity is turned on. The unloading electromagnet and the ejecting magnet are set with the same pole. The unloading electromagnet pushes the ejecting magnet through repulsion. The ejecting magnet drives the unloading rod to rise and contact the bottom wall of the annular forging. Under the combined effect of the upper ejection force of the unloading rod and the lubricating oil, the annular forging gradually detaches from the outside of the stepped shaft-shaped cylinder.

[0010] Specifically, a controller is provided on the upper wall of the base.

[0011] Wherein, the controller is electrically connected to the driving motor, the distance adjustment electromagnet, the wear-increasing electromagnet and the unloading electromagnet respectively.

[0012] The beneficial effects achieved by adopting the above structure are as follows: Compared with the prior art, the present invention adopts a combination of a stepped structure and a wear-increasing structure. By setting a stepped positioning mechanism and a force-type slip reduction mechanism, the ring forgings with different inner diameters can be clamped and fixed under the coordinated use of the internal fixing mechanism, the driving mechanism, the distance mechanism, the contact mechanism, the wear-increasing mechanism and the unloading mechanism. Lubricating oil is applied to the inner wall of the ring forging in advance to reduce the resistance when the ring forging is installed to the corresponding position on the outside of the stepped shaft-shaped cylinder, thereby improving the installation efficiency of the ring forging. Moreover, under the action of the oil-absorbing cotton layer, the lubricating oil retained on the inner wall of the ring forging installed on the outside of the stepped shaft-shaped cylinder can be adsorbed to increase the friction between the stepped shaft-shaped cylinder and the ring forging. It is convenient to position the annular forging. At the same time, since the annular forging rotates while overcoming the clamping force of the coarse grinding layer, the annular forging is prevented from being excessively stuck on the outside of the stepped shaft-shaped cylinder, which makes it easy to take and place the annular forging. The oil-absorbing cotton layer rotates to wipe and absorb the lubricating oil on the inner wall of the annular forging, the lubricating oil on the inner wall of the annular forging is reduced, and the friction between the inner wall of the annular forging and the surface of the stepped shaft-shaped cylinder is increased. When the annular forging overcomes the clamping force of the coarse grinding layer, the annular forging rotates synchronously with the stepped shaft-shaped cylinder. At this time, the friction between the inner wall of the annular forging and the surface of the stepped shaft-shaped cylinder is greater than the clamping force of the coarse grinding layer on the annular forging, and the stepped shaft-shaped cylinder drives the annular forging to rotate between the coarse grinding layers. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the overall structure of this scheme; Figure 2 This is a bottom-up stereogram of the scheme; Figure 3 This is a schematic diagram of the structure of the drive shaft of this solution; Figure 4 This is a schematic diagram of the structure of the grinding mechanism of this scheme; Figure 5 This is a schematic diagram of the structure of the contact and wear mechanism of this scheme; Figure 6 This is a schematic diagram of the structure of the base, support frame, grinding table and stepped shaft-shaped cylinder of this scheme; Figure 7 This is the main view of this scheme; Figure 8 This is a top view of the scheme; Fig. 9 for Figure 7 AA section view of the part; Fig.10 for Figure 1 A magnified structural view of part I; Fig.11 for Figure 4 A magnified structural view of Part II; Fig.12 for Figure 6A magnified structural view of Part III.

[0014] Among them, 1. base, 2. support frame, 3. grinding table, 4. stepped positioning mechanism, 5. internal fixing mechanism, 6. rotating ring plate, 7. stepped shaft cylinder, 8. driving mechanism, 9. driving frame, 10. driving motor, 11. driving shaft, 12. distance mechanism, 13. distance adjustment cylinder, 14. sliding magnetic block, 15. distance adjustment spring, 16. distance adjustment electromagnet, 17. contact grinding mechanism, 18. special-shaped rod, 19. grinding seat, 20. coarse grinding layer, 21. fine grinding layer, 22. force-type anti-slip mechanism, 23. grinding mechanism, 24. steering block, 25. groove, 26. grinding plate, 27. grinding spring, 28. grinding electromagnet, 29. degreasing magnet, 30. oil-absorbing cotton layer, 31. unloading mechanism, 32. unloading rod, 33. unloading electromagnet, 34. top material magnet, 35. controller, 36. degreasing tank.

[0015] The accompanying drawings are used to provide further understanding of the present scheme and constitute a part of the specification. Together with the embodiments of the present scheme, they are used to explain the present scheme and do not constitute a limitation on the present scheme. DETAILED DESCRIPTION

[0016] The technical scheme in the embodiments of the present scheme will be clearly and completely described below in conjunction with the drawings in the embodiments of the present scheme. Obviously, the described embodiments are only part of the embodiments of the present scheme, not all of the embodiments; based on the embodiments in the present scheme, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present scheme.

[0017] In the description of this scheme, it should be understood that terms such as "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside" and "outside" indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing this scheme and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they should not be understood as limitations on this scheme.

[0018] like Figure 1-Figure 12As shown, the present scheme proposes a grinding device for automobile precision forgings, comprising a base 1, a support frame 2, a grinding table 3, a step-type positioning mechanism 4 and a force-type slip reduction mechanism 22, wherein the support frame 2 is symmetrically arranged on the upper walls at both ends of the base 1, the grinding table 3 is arranged on the upper wall of the support frame 2, the step-type positioning mechanism 4 is arranged on the grinding table 3, the force-type slip reduction mechanism 22 is arranged on the step-type positioning mechanism 4, the step-type positioning mechanism 4 comprises an inner fixing mechanism 5, a driving mechanism 8, a distance mechanism 12 and a contact grinding mechanism 17, the inner fixing mechanism 5 is arranged on the upper wall of the grinding table 3, the driving mechanism 8 is arranged on the bottom wall of the grinding table 3, the distance mechanism 12 is arranged on the side wall of the grinding table 3, the contact grinding mechanism 17 is arranged on the distance mechanism 12, the force-type slip reduction mechanism 22 comprises a grinding increasing mechanism 23 and a discharge mechanism 31, the grinding increasing mechanism 23 is arranged on the driving mechanism 8, and the discharge mechanism 31 is arranged on the grinding increasing mechanism 23.

[0019] The inner fixing mechanism 5 includes a rotating ring plate 6 and a stepped shaft-shaped cylinder 7. The rotating ring plate 6 is arranged through the inner wall of the grinding table 3, and the rotating ring plate 6 is rotatably connected to the grinding table 3. The stepped shaft-shaped cylinder 7 is arranged on the upper wall of the rotating ring plate 6, and the stepped shaft-shaped cylinder 7 is arranged with an opening at the lower end; the driving mechanism 8 includes a driving frame 9, a driving motor 10 and a driving shaft 11. The rotating ring plate 6 is arranged on the bottom wall of the grinding table 3, and the driving motor 10 is arranged on the bottom wall of the driving frame 9. The driving shaft 11 penetrates the driving frame 9 and is arranged between the power end of the driving motor 10 and the top wall of the stepped shaft-shaped cylinder 7; the distance mechanism 12 includes a distance adjusting cylinder 13, a sliding magnetic block 14, a distance adjusting spring 15 and a distance adjusting electromagnet 16. Multiple groups of the distance adjusting cylinders 13 are arranged through the side wall of the grinding table 3. The distance adjusting cylinders 13 are penetrated. The sliding magnet 14 is slidably arranged on the inner wall of the pitch adjusting cylinder 13, the pitch adjusting spring 15 is arranged between the sliding magnet 14 and the inner wall of the pitch adjusting cylinder 13, and the pitch adjusting electromagnet 16 is arranged on the inner wall of one end of the pitch adjusting cylinder 13 away from the pitch adjusting spring 15; the contact grinding mechanism 17 includes a special-shaped rod 18, a grinding seat 19, a coarse grinding layer 20 and a fine grinding layer 21, the special-shaped rod 18 penetrates the pitch adjusting cylinder 13 and is arranged on the side wall of the sliding magnet 14, a plurality of groups of the grinding seats 19 are arranged on the end of the special-shaped rod 18 away from the pitch adjusting cylinder 13, and the grinding seats 19 respectively correspond to the parts of the stepped shaft-shaped cylinder 7 with different diameters, the coarse grinding layer 20 is arranged on the side walls of a group of relatively arranged grinding seats 19 on the outside of the stepped shaft-shaped cylinder 7, and the fine grinding layer 21 is arranged on the side walls of another group of relatively arranged grinding seats 19.

[0020] The wear-increasing mechanism 23 includes a steering block 24, a groove 25, a wear-increasing plate 26, a wear-increasing spring 27, a wear-increasing electromagnet 28, an oil-removing magnet 29, an oil-absorbing cotton layer 30 and an oil-removing groove 36. A plurality of steering blocks 24 are arranged on the side wall of the drive shaft 11 from top to bottom, a plurality of grooves 25 are arranged on the side wall of the steering block 24, and the groove 25 is opened at one end. The wear-increasing plate 26 is slidably arranged inside the groove 25, the wear-increasing spring 27 is arranged between the inner wall of the groove 25 and the wear-increasing plate 26, the wear-increasing electromagnet 28 is arranged on the inner wall of the groove 25 on one side of the wear-increasing spring 27, the oil-removing magnet 29 is arranged on the side of the wear-increasing plate 26 close to the wear-increasing electromagnet 28, and the wear-increasing electromagnet 28 and the oil-removing magnet 29 are arranged on the side of the wear-increasing plate 26 close to the wear-increasing electromagnet 28. 9 are arranged relative to each other, the oil-absorbing cotton layer 30 is arranged on the side of the wear-increasing plate 26 away from the groove 25, and multiple groups of the oil-removing grooves 36 are arranged on the side wall of the stepped shaft-shaped cylinder 7, and the oil-removing grooves 36 are arranged through, and the steering block 24, the groove 25, the wear-increasing plate 26, the oil-absorbing cotton layer 30 and the oil-removing grooves 36 are arranged horizontally; the unloading mechanism 31 includes a unloading rod 32, a unloading electromagnet 33 and a lifting magnet 34, and multiple groups of the unloading rod 32 pass through the inner wall of the grinding table 3 arranged on the outside of the rotating ring plate 6, the unloading electromagnet 33 is arranged on the upper wall of the base 1 below the unloading rod 32, and the lifting magnet 34 is arranged on the side of the unloading rod 32 close to the unloading electromagnet 33, and the unloading electromagnet 33 and the lifting magnet 34 are arranged relative to each other.

[0021] A controller 35 is disposed on the upper wall of the base 1 .

[0022] The controller 35 is electrically connected to the driving motor 10 , the distance adjustment electromagnet 16 , the wear-increasing electromagnet 28 and the discharge electromagnet 33 , respectively.

[0023] When in use, in the initial state, the distance adjusting spring 15 is in a compression setting, the distance between the coarse grinding layer 20 and the fine grinding layer 21 and the side wall of the stepped shaft-shaped cylinder 7 is at a minimum value, the controller 35 controls the distance adjusting electromagnet 16 to start, the distance adjusting electromagnet 16 is energized to generate magnetism, the distance adjusting electromagnet 16 and the sliding magnet block 14 are arranged with opposite poles, the distance adjusting electromagnet 16 is fixed on the inner wall of the distance adjusting cylinder 13 and absorbs the sliding magnet block 14 by magnetic force, the sliding magnet block 14 slides along the inner wall of the distance adjusting cylinder 13 by deformation of the distance adjusting spring 15, the sliding magnet block 14 drives the grinding seat 19 away from the side wall of the stepped shaft-shaped cylinder 7 through the special-shaped rod 18, and the distance between the coarse grinding layer 20 and the fine grinding layer 21 and the side wall of the stepped shaft-shaped cylinder 7 increases; The annular forging is inserted into the outside of the stepped shaft-shaped cylinder 7, and the annular forging slides and falls along the side wall of the stepped shaft-shaped cylinder 7. The annular forging is clamped at the position corresponding to the diameter of the stepped shaft-shaped cylinder 7. When the annular forging is clamped on the outside of the stepped shaft-shaped cylinder 7 of corresponding size, the clamping friction is relatively large. It is necessary to first apply lubricating oil to the annular inner wall of the annular forging to reduce the resistance of the annular forging to be installed on the outside of the stepped shaft-shaped cylinder 7, and use external force to completely clamp the annular forging on the outside of the stepped shaft-shaped cylinder 7; The controller 35 controls the change of the direction of the current passed into the distance-adjusting electromagnet 16. At this time, the distance-adjusting electromagnet 16 corresponding to the rough grinding layer 20 is arranged with the same pole as the sliding magnet 14. The distance-adjusting electromagnet 16 is fixed on the inner wall of the distance-adjusting cylinder 13 and pushes the sliding magnet 14 by repulsion. The sliding magnet 14 slides along the inner wall of the distance-adjusting cylinder 13 and drives the special-shaped rod 18. The special-shaped rod 18 drives the rough grinding layer 20 to fit closely with the side wall of the annular forging through the grinding seat 19. The friction between the annular forging with lubricating oil and the stepped shaft-shaped cylinder 7 is small, and the stepped shaft-shaped cylinder 7 will slip when rotating and driving the annular forging. In the initial state, the wear-increasing spring 27 is in a compressed setting, the wear-increasing plate 26 is retracted into the groove 25, the controller 35 controls the wear-increasing electromagnet 28 to start, the wear-increasing electromagnet 28 is energized to generate magnetism, the wear-increasing electromagnet 28 and the oil removal magnet 29 are set with the same poles, the wear-increasing electromagnet 28 pushes the oil removal magnet 29 through the repulsive force, the oil removal magnet 29 uses the deformation of the wear-increasing spring 27 to drive the wear-increasing plate 26 to extend out of the groove 25, the wear-increasing plate 26 drives the oil-absorbing cotton layer 30 to penetrate the oil removal groove 36 and contact the inner wall of the annular forging, and the annular forging is clamped by the coarse grinding layer 20 to remain relatively fixed; The controller 35 controls the drive motor 10 to start, and the drive motor 10 drives the drive shaft 11 to rotate through the power end. The drive shaft 11 drives the oil-absorbing cotton layer 30 to rotate through the steering block 24. The oil-absorbing cotton layer 30 rotates to wipe and absorb the lubricating oil on the inner wall of the annular forging, and the lubricating oil on the inner wall of the annular forging is reduced. The friction between the inner wall of the annular forging and the surface of the stepped shaft-shaped cylinder 7 increases. When the annular forging overcomes the clamping force of the rough grinding layer 20, the annular forging rotates synchronously with the stepped shaft-shaped cylinder 7. At this time, the friction between the inner wall of the annular forging and the surface of the stepped shaft-shaped cylinder 7 is greater than the clamping force of the rough grinding layer 20 on the annular forging. The drive shaft 11 drives the annular forging to rotate between the rough grinding layers 20 through the stepped shaft-shaped cylinder 7. The annular forging rubs against the rough grinding layer 20 during rotation, so that the rough grinding layer 20 performs rough machining and grinding on the annular forging. After the annular forging is rough-machined, the controller 35 controls the change of the direction of the current inside the distance-adjusting electromagnet 16 corresponding to the rough grinding layer 20, the distance-adjusting electromagnet 16 and the sliding magnetic block 14 are set at different poles, the distance-adjusting electromagnet 16 attracts the sliding magnetic block 14 through magnetic force, the sliding magnetic block 14 drives the rough grinding layer 20 away from the side wall of the annular forging through the special-shaped rod 18, the controller 35 controls the magnetic pole of the distance-adjusting electromagnet 16 corresponding to the fine grinding layer 21 to change, the distance-adjusting electromagnet 16 and the distance-adjusting spring 15 are set at the same pole, the distance-adjusting electromagnet 16 pushes the distance-adjusting spring 15 through repulsion, the distance-adjusting spring 15 drives the fine grinding layer 21 to fit with the surface of the annular forging through the special-shaped rod 18, and the annular forging is finely machined and ground; Since the friction between the stepped shaft-shaped cylinder 7 and the annular forging is slightly greater than the friction between the rough grinding layer 20 and the annular forging, the ground annular forging can be taken down from the outside of the stepped shaft-shaped cylinder 7 relatively easily. The controller 35 controls the grinding electromagnet 28 to start. The grinding electromagnet 28 is energized to generate magnetism. The grinding electromagnet 28 is fixed on the inner wall of the groove 25 and pushes the oil removal magnet 29 through repulsion. The oil removal magnet 29 utilizes the deformation of the grinding spring 27 to drive the grinding plate 26 to extend out of the groove 25. The grinding plate 26 drives the oil absorption cotton layer 30 to squeeze the inner wall of the annular forging against each other to absorb oil. The lubricating oil inside the cotton layer 30 is squeezed out and coated on the inner wall of the annular forging. The controller 35 controls the unloading electromagnet 33 to start. The unloading electromagnet 33 is energized to generate magnetism. The unloading electromagnet 33 and the pushing magnet 34 are arranged with the same pole. The unloading electromagnet 33 pushes the pushing magnet 34 through repulsion. The pushing magnet 34 drives the unloading rod 32 to rise and contact the bottom wall of the annular forging. Under the action of the upward force of the unloading rod 32 and the lubricating oil, the annular forging gradually separates from the outer side of the stepped shaft-shaped cylinder 7, completing the grinding operation of the annular forging. The above operation can be repeated when it is used next time.

[0024] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0025] The above is a description of the present solution and its implementation methods, which is not restrictive. The drawings show only one implementation method of the present solution, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creative design without departing from the creative purpose of the present solution, they should all fall within the protection scope of the present solution.

Claims

1. A grinding device for automotive precision forgings, comprising a base (1), a support frame (2), and a grinding table (3), characterized in that: The invention also comprises a step-type positioning mechanism (4) and a force-type anti-slip mechanism (22), wherein the support frame (2) is symmetrically arranged on the upper walls at both ends of the base (1), the grinding table (3) is arranged on the upper wall of the support frame (2), the step-type positioning mechanism (4) is arranged on the grinding table (3), the force-type anti-slip mechanism (22) is arranged on the step-type positioning mechanism (4), and the step-type positioning mechanism (4) comprises an internal fixing mechanism (5), a driving mechanism (8), a distance mechanism (12) and a contact grinding mechanism (1 7), the internal fixing mechanism (5) is arranged on the upper wall of the grinding table (3), the driving mechanism (8) is arranged on the bottom wall of the grinding table (3), the distance mechanism (12) is arranged on the side wall of the grinding table (3), the contact grinding mechanism (17) is arranged on the distance mechanism (12), and the force-type slip reduction mechanism (22) includes a grinding mechanism (23) and a discharge mechanism (31), the grinding mechanism (23) is arranged on the driving mechanism (8), and the discharge mechanism (31) is arranged on the grinding mechanism (23).

2. The grinding equipment for automotive precision forgings according to claim 1, characterized in that: The inner fixing mechanism (5) comprises a rotating ring plate (6) and a stepped shaft-shaped cylinder (7); the rotating ring plate (6) is arranged to penetrate the inner wall of the grinding table (3); the rotating ring plate (6) is rotatably connected to the grinding table (3); the stepped shaft-shaped cylinder (7) is arranged on the upper wall of the rotating ring plate (6); and the stepped shaft-shaped cylinder (7) is arranged with an opening at the lower end.

3. The grinding equipment for automotive precision forgings according to claim 2, characterized in that: The driving mechanism (8) comprises a driving frame (9), a driving motor (10) and a driving shaft (11); the rotating ring plate (6) is arranged on the bottom wall of the grinding table (3); the driving motor (10) is arranged on the bottom wall of the driving frame (9); and the driving shaft (11) passes through the driving frame (9) and is arranged between the power end of the driving motor (10) and the top wall of the stepped shaft-shaped cylinder (7).

4. The grinding equipment for automotive precision forgings according to claim 3, characterized in that: The distance-adjusting mechanism (12) comprises a distance-adjusting cylinder (13), a sliding magnetic block (14), a distance-adjusting spring (15) and a distance-adjusting electromagnet (16). A plurality of groups of the distance-adjusting cylinders (13) are arranged through the side wall of the grinding table (3). The distance-adjusting cylinder (13) is arranged through. The sliding magnetic block (14) is slidably arranged on the inner wall of the distance-adjusting cylinder (13). The distance-adjusting spring (15) is arranged between the sliding magnetic block (14) and the inner wall of the distance-adjusting cylinder (13). The distance-adjusting electromagnet (16) is arranged on the inner wall of one end of the distance-adjusting cylinder (13) away from the distance-adjusting spring (15).

5. The grinding equipment for automotive precision forgings according to claim 4, characterized in that: The contact grinding mechanism (17) comprises a special-shaped rod (18), a grinding seat (19), a coarse grinding layer (20) and a fine grinding layer (21); the special-shaped rod (18) penetrates the pitch-adjusting cylinder (13) and is arranged on the side wall of the sliding magnetic block (14); a plurality of groups of the grinding seats (19) are arranged at one end of the special-shaped rod (18) away from the pitch-adjusting cylinder (13); the grinding seats (19) respectively correspond to parts of the stepped shaft-shaped cylinder (7) with different diameters; the coarse grinding layer (20) is arranged on the side walls of one group of grinding seats (19) arranged oppositely on the outside of the stepped shaft-shaped cylinder (7); and the fine grinding layer (21) is arranged on the side walls of another group of grinding seats (19) arranged oppositely.

6. The grinding equipment for automotive precision forgings according to claim 5, characterized in that: The wear-increasing mechanism (23) comprises a steering block (24), a groove (25), a wear-increasing plate (26), a wear-increasing spring (27), a wear-increasing electromagnet (28), an oil removal magnet (29), an oil-absorbing cotton layer (30) and an oil removal groove (36). A plurality of groups of the steering blocks (24) are arranged on the side wall of the drive shaft (11) from top to bottom, a plurality of groups of the grooves (25) are arranged on the side wall of the steering block (24), the groove (25) is opened at one end, the wear-increasing plate (26) is slidably arranged inside the groove (25), the wear-increasing spring (27) is arranged between the inner wall of the groove (25) and the wear-increasing plate (26), and the wear-increasing electromagnet (28) is arranged on the inner wall of the groove (25) on one side of the wear-increasing spring (27).

7. The grinding equipment for automotive precision forgings according to claim 6, characterized in that: The oil removal magnet (29) is arranged on a side of the wear-increasing plate (26) close to the wear-increasing electromagnet (28), the wear-increasing electromagnet (28) and the oil removal magnet (29) are arranged opposite to each other, the oil absorption cotton layer (30) is arranged on a side of the wear-increasing plate (26) away from the groove (25), a plurality of groups of the oil removal grooves (36) are arranged on the side wall of the stepped shaft-shaped cylinder (7), the oil removal grooves (36) are arranged through, and the steering block (24), the groove (25), the wear-increasing plate (26), the oil absorption cotton layer (30) and the oil removal grooves (36) are arranged horizontally.

8. The grinding equipment for automotive precision forgings according to claim 7, characterized in that: The unloading mechanism (31) comprises a unloading rod (32), an unloading electromagnet (33) and a material-lifting magnet (34); a plurality of groups of the unloading rods (32) penetrate the inner wall of the grinding table (3) arranged on the outside of the rotating ring plate (6); the unloading electromagnet (33) is arranged on the upper wall of the base (1) below the unloading rod (32); the material-lifting magnet (34) is arranged on a side of the unloading rod (32) close to the unloading electromagnet (33); and the unloading electromagnet (33) and the material-lifting magnet (34) are arranged opposite to each other.

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