Device for polishing and grinding complex cavity of casting casing

Abstract

The invention provides a device for polishing and grinding a complex cavity of a casting case, and belongs to the technical field of grinding devices.The device comprises a machine tool body, a bottom plate is arranged on one side of the machine tool body, a mechanical arm is arranged at the top of the bottom plate, and a case body is fixedly installed on one side of the mechanical arm; a grinding mechanism is arranged on one side of the case body, a limiting mechanism is arranged on one side of the grinding mechanism, and a pushing mechanism is arranged on one side of the limiting mechanism. When one piston rod pushes the grinding mechanism on one side of the rack to one side of the case body, the liquid in the first cavity continues to sequentially eject the other piston rods till the first grinding device and the second grinding device are completely attached, and at the moment, when the grinding mechanism is started to grind the case body, the abrasive belt is most matched with the case body.

Description

Technical Field

[0001] The invention relates to the technical field of polishing devices, and in particular to a device for polishing a complex cavity of a casting casing. Background Art

[0002] The method of pouring liquid metal into a casting cavity that matches the shape of the part, and waiting for it to cool and solidify to obtain a part or blank is called casting. The casting obtained by casting is called a casting. Among them, the casting method can produce more complex receivers, but the surface of the receiver needs to be polished multiple times to continuously improve the surface flatness.

[0003] Existing devices usually use a grinding wheel to grind the outer surface of the receiver once, but due to the limitation of the slide rail, it is usually only suitable for receivers with regular shapes. Receivers with irregular curved surfaces on the outer surface require workers to grind them manually, and the efficiency of grinding and polishing is low. Alternatively, a robotic arm is used to grind receivers of specific shapes after being programmed, which is more complicated and costly.

[0004] Therefore, the present application provides a device for polishing and grinding the complex cavity of a cast casing to meet the needs. Summary of the invention

[0005] The technical problem to be solved by the present invention is to provide a device for polishing and grinding complex cavities of cast casings to solve the problem that existing polishing devices are only suitable for polishing casings of regular shapes and are difficult to polish casings of irregular shapes.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions: A device for polishing and grinding a complex cavity of a casting casing, comprising a machine tool body, a bottom plate is arranged on one side of the machine tool body, a mechanical arm is arranged on the top of the bottom plate, a casing body is fixedly mounted on one side of the mechanical arm, a grinding mechanism is arranged on one side of the casing body, a limiting mechanism is arranged on one side of the grinding mechanism, and a propulsion mechanism is arranged on one side of the limiting mechanism; A grinding mechanism, the grinding mechanism includes a first grinder and a second grinder, the first grinder and the second grinder are arranged on one side of the casing body, the first grinder and the second grinder each include an outer shell, a first twisting block, a second twisting block, a side plate, a worm, a second servo motor and a worm wheel, the outer shell is arranged on one side of the limiting mechanism, one side of the outer shell is fixedly connected to the first twisting block, the other side of the outer shell is fixedly connected to the second twisting block, the top of the outer shell is fixedly connected to the side plate, one side of the side plate is movably mounted with a worm, the worm is fixedly mounted on the output end of the second servo motor, the second servo motor is fixedly mounted on the top of the outer shell, one side of the worm is meshingly driven with a worm wheel, the second servo motor is electrically connected to the time relay, and the output end of the second servo motor has the same rotation speed each time it is started.

[0007] As a preferred scheme, the first grinder and the second grinder also include a rotating shaft, a triangular plate, a third servo motor, a first gear, a second gear, a sanding belt, a roller shaft, a transmission shaft and a first positioning rod, the rotating shaft is fixedly connected to the bottom of the worm gear, the top and bottom of the rotating shaft are fixedly installed with triangular plates, the bottom of the triangular plate is provided with a third servo motor, the output end of the third servo motor is fixedly installed with the first gear, one side of the first gear is meshed and transmitted with the second gear, one side of the second gear is fixedly connected with a roller shaft, one side of the roller shaft is belt-driven with a sanding belt, one side of the sanding belt is belt-driven with a transmission shaft, the first positioning rod is movably sleeved on one side of the first twisting block, the sanding belts are divided into 3 groups, and the mesh number of each group of sanding belts is different, the third servo motor is fixedly installed at the bottom of the outer shell, and the third servo motors inside the first grinder and the second grinder are both linked and controlled through a parallel circuit.

[0008] As a preferred solution, the machine tool body includes a support block, a top plate, a first slide groove, a first slider, a base, a screw rod and a first servo motor, the support block is arranged on one side of the bottom plate, the top of the support block is fixedly mounted with a top plate, the top of the top plate is provided with a first slide groove, the first slider is movably mounted inside the first slide groove, the top of the first slider is fixedly mounted with a base, a screw rod is threadedly sleeved on one side of the first slider, the screw rod is fixedly mounted on the output end of the first servo motor, the first servo motor is fixedly mounted on one side of the top plate, and the base is fixedly mounted on the bottom of the limiting mechanism.

[0009] As a preferred solution, the first twist block on the first grinder is movably connected to the second twist block on the second grinder via a first positioning rod, and the maximum rotation angle of the adjacent outer shells on the first grinder and the second grinder is 20°.

[0010] As a preferred solution, the limiting mechanism includes a rack, a first tooth groove, a first slide rail, a second slide rail, a first limiting groove, a second limiting groove, a first cross plate, a positioning plate and a first hydraulic cylinder, the rack is fixedly connected to one side of the outer shell, the top of the rack is provided with a first tooth groove, one side of the rack is movably connected to the first slide rail, the other side of the rack is movably connected to the second slide rail, the top of the second slide rail is provided with a first limiting groove, one side of the second slide rail is provided with a second limiting groove, and the second limiting groove runs through the second slide rail, the top of the second slide rail is fixedly installed with a positioning plate, the top of the positioning plate is fixedly installed with a first hydraulic cylinder, and the output end of the first hydraulic cylinder is fixedly installed with a first cross plate.

[0011] As a preferred solution, the limiting mechanism also includes a second positioning rod, a buffer pad, a third slide rail, a first limiting hole, a second slide groove, a second slider, a block and a second tooth groove, the second positioning rod is fixedly installed at the bottom of the first cross plate, the bottom of the second positioning rod is fixedly connected with a buffer pad, the buffer pad is movably sleeved on one side of the third slide rail, the top of the third slide rail is provided with a first limiting hole, the bottom of the third slide rail is provided with a second slide groove, the second slide groove is movably connected with the second slider, the bottom of the second slider is fixedly connected with a block, and the bottom of the block is provided with a second tooth groove.

[0012] As a preferred solution, the second tooth groove is meshed and connected to the top of the rack, the buffer pad is movably connected to the top of the block, the height of the second positioning rod is greater than the height of the third slide rail, the first limiting hole passes through the third slide rail, the blocks are all arranged at the bottom of the first cross plate, and each group of blocks are respectively meshed with the rack.

[0013] As a preferred solution, the first transverse plate is movably installed inside the first limiting groove, and a plurality of limiting columns are arranged on the first transverse plate, and a sliding sleeve is movably installed at the connection between the first transverse plate and the limiting columns.

[0014] As a preferred scheme, the propulsion mechanism includes a first cavity, a second cavity, a round tube, a piston rod, a sealing plate, a second hydraulic cylinder, a piston plate, a second limiting hole, a positioning column and a block. The first cavity is fixedly installed on the top of the base, one side of the first cavity is connected to the second cavity, one side of the second cavity is connected to the round tube, the piston rod is movably sleeved inside the round tube, one side of the first cavity is fixedly connected to a sealing plate, one side of the sealing plate is fixedly installed with a second hydraulic cylinder, the output end of the second hydraulic cylinder is fixedly installed with a piston plate, the left and right sides of the piston plate are provided with second limiting holes, and the second limiting holes penetrate the piston plate, one side of the second limiting hole is movably sleeved with a positioning column, and one side of the first cavity is fixedly sleeved with a block.

[0015] As a preferred solution, the block is movably connected to one side of the piston plate, the positioning column is fixedly installed on one side of the block, the round tube, piston rod, second cavity, first cavity and sealing plate constitute a closed cavity, and the interior of the closed cavity is filled with hydraulic oil.

[0016] Compared with the prior art, the present invention has at least the following beneficial effects: 1. In the above scheme, by setting the first grinder, the first grinder and the second servo motor inside the second grinder are uniformly controlled to start, so as to drive the worm and the worm wheel to engage and drive, thereby driving the triangular plate to rotate, and further driving the three groups of sand belts with different mesh sizes on the triangular plate to contact the casing body, so as to achieve the purpose of quickly switching the sand belts for grinding and polishing without replacement; 2. In the above scheme, by setting the first horizontal plate and starting the first hydraulic cylinder to drive the first horizontal plate to move up and down inside the first limit groove, multiple racks can be braked at the same time, and the first tooth groove at the top of the rack is engaged with the second tooth groove at the bottom of the clamping block to lock the rack and prevent the rack from shaking. At the same time, the second slider at the top of the clamping block can automatically slide when the second tooth groove contacts the first tooth groove, thereby reducing the wear between the rack and the clamping block and achieving full engagement; 3. In the above scheme, by setting a piston plate, the fluidity of the liquid itself is used to push the piston rod out from the inside of the round tube. When one of the piston rods pushes the grinding mechanism on one side of the rack to one side of the casing body, the liquid inside the first cavity will continue to push out other piston rods in sequence until the first grinder and the second grinder are completely fitted together. At this time, when the grinding mechanism is started to grind the casing body, the sanding belt and the casing body are most consistent. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings, which are incorporated herein and constitute a part of the specification, illustrate embodiments of the present disclosure and, together with the description, further serve to explain the principles of the present disclosure and to enable those skilled in the relevant art to make and use the present disclosure.

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of a device for polishing and grinding the complex cavity of a casting casing; Figure 2 It is a schematic diagram of the three-dimensional structure of a device machine tool for polishing and grinding complex cavities of casting casings; Figure 3 A schematic diagram of the three-dimensional structure of a polishing mechanism of a device for polishing and grinding a complex cavity of a casting casing; Figure 4 A schematic diagram of the partial structure of a polishing mechanism of a device for polishing and grinding a complex cavity of a casting casing; Figure 5A schematic diagram of the decomposed structure of a grinding mechanism of a device for polishing and grinding complex cavities of a casting casing; Figure 6 It is a three-dimensional structural schematic diagram of a limiting mechanism of a device for polishing and grinding a complex cavity of a casting casing; Figure 7 It is a schematic diagram of the partial structure of a limiting mechanism of a device for polishing and grinding a complex cavity of a casting casing; Figure 8 It is a schematic diagram of the exploded structure of a device limit mechanism for polishing and grinding complex cavities of a casting casing; Fig. 9 It is a schematic diagram of the main structure of a device propulsion mechanism for polishing and grinding complex cavities of a casting casing; Fig.10 The diagram is a partial structural diagram of a propulsion mechanism of a device used for polishing and grinding complex cavities of a cast casing.

[0019] 1. Machine tool body; 101. Support block; 102. Top plate; 103. First slide; 104. First slider; 105. Base; 106. Screw; 107. First servo motor; 2. Bottom plate; 3. Mechanical arm; 4. Casing body; 5. Grinding mechanism; 51. First grinder; 52. Second grinder; 501. Housing; 502. First twist block; 503. Second twist block; 504. Side plate; 505. Worm; 506. Second servo motor; 507. Worm wheel; 508. Rotating shaft; 509. Triangular plate; 510. Third servo motor; 511. First gear; 512. Second gear; 513. Abrasive belt; 514. Roller; 515. Transmission shaft; 516. First positioning rod; 6. Limit Mechanism; 601, rack; 602, first tooth groove; 603, first slide rail; 604, second slide rail; 605, first limiting groove; 606, second limiting groove; 607, first cross plate; 608, positioning plate; 609, first hydraulic cylinder; 610, second positioning rod; 611, buffer pad; 612, third slide rail; 613, first limiting hole; 614, second slide groove; 615, second slider; 616, block; 617, second tooth groove; 7, propulsion mechanism; 701, first cavity; 702, second cavity; 703, round tube; 704, piston rod; 705, sealing plate; 706, second hydraulic cylinder; 707, piston plate; 708, second limiting hole; 709, positioning column; 710, stopper.

[0020] As shown in the figure, in order to clearly implement the structure of the embodiment of the present invention, specific structures and devices are marked in the figure, but this is only for illustrative purposes and is not intended to limit the present invention to the specific structure, device and environment. According to specific needs, ordinary technicians in this field can adjust or modify these devices and environments, and the adjustments or modifications made are still included in the scope of the attached claims. DETAILED DESCRIPTION

[0021] The following is a detailed description of a device for polishing and grinding a complex cavity of a casting casing provided by the present invention in conjunction with the accompanying drawings and specific embodiments. At the same time, it is explained here that in order to make the embodiments more detailed, the following embodiments are the best and preferred embodiments, and those skilled in the art may also adopt other alternatives to implement some known technologies; and the accompanying drawings are only for a more specific description of the embodiments, and are not intended to specifically limit the present invention.

[0022] It should be noted that the references to "one embodiment", "embodiment", "exemplary embodiments", "some embodiments" and the like in the specification indicate that the embodiments described may include specific features, structures or characteristics, but not every embodiment may include the specific features, structures or characteristics. In addition, when a specific feature, structure or characteristic is described in conjunction with an embodiment, it should be within the knowledge of a person skilled in the art to implement such feature, structure or characteristic in conjunction with other embodiments (whether or not explicitly described).

[0023] In general, a term can be understood, at least in part, from its use in context. For example, depending, at least in part, on the context, the term "one or more" as used herein can be used to describe any feature, structure, or characteristic in the singular sense, or can be used to describe a combination of features, structures, or characteristics in the plural sense. Additionally, the term "based on" can be understood as not necessarily intended to convey an exclusive set of factors, but can instead, depending, at least in part, on the context, allow for the presence of other factors that are not necessarily explicitly described.

[0024] It will be understood that the meaning of “on,” “over,” and “above” in this disclosure should be interpreted in the broadest manner, so that “on” means not only “directly on” something, but also includes the meaning of being “on” something with intervening features or layers therebetween, and “on” or “over” means not only “on” or “above” something, but also includes the meaning of being “on” or “above” something with no intervening features or layers therebetween.

[0025] Additionally, spatially relative terms such as "under," "beneath," "lower," "above," "upper," and the like may be used herein for descriptive convenience to describe the relationship of one element or feature to another element or features, as shown in the accompanying drawings. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the accompanying drawings. The device may be oriented in other ways, and the spatially relative descriptors used herein may be similarly interpreted accordingly.

[0026] Example: Figure 1 and Figure 2 As shown, an embodiment of the present invention provides a device for polishing and grinding a complex cavity of a casting casing, comprising a machine tool body 1, a bottom plate 2 is arranged on one side of the machine tool body 1, a mechanical arm 3 is arranged on the top of the bottom plate 2, a casing body 4 is fixedly mounted on one side of the mechanical arm 3, a grinding mechanism 5 is arranged on one side of the casing body 4, a limiting mechanism 6 is arranged on one side of the grinding mechanism 5, and a propulsion mechanism 7 is arranged on one side of the limiting mechanism 6; The machine tool body 1 includes a support block 101, a top plate 102, a first slide groove 103, a first slider 104, a base 105, a screw rod 106 and a first servo motor 107. The support block 101 is arranged on one side of the bottom plate 2. The top plate 102 is fixedly installed on the top of the support block 101. The top of the top plate 102 is provided with a first slide groove 103. The first slider 104 is movably installed inside the first slide groove 103. The top of the first slider 104 is fixedly installed with a base 105. A screw rod 106 is threadedly sleeved on one side of the first slider 104. The screw rod 106 is fixedly installed on the output end of the first servo motor 107. The first servo motor 107 is fixedly installed on one side of the top plate 102. The base 105 is fixedly installed at the bottom of the limiting mechanism 6.

[0027] It needs to be further explained that: when it is necessary to start the device to grind the receiver body 4, the receiver body 4 is first fixed and clamped by the mechanical arm 3, and then the first servo motor 107 is started to drive the screw 106 to rotate, thereby driving the first slider 104 to slide inside the first slide groove 103, and further the first slider 104 drives the base 105 to move forward and backward along the direction of the first slide groove 103. When the base 105 moves, the grinding mechanism 5, the limiting mechanism 6 and the propulsion mechanism 7 on the top of the base 105 move synchronously.

[0028] like Figure 2 , Figure 3 Figure 4 and Figure 5As shown, the grinding mechanism 5 includes a first grinder 51 and a second grinder 52, the first grinder 51 and the second grinder 52 are arranged on one side of the casing body 4, the first grinder 51 and the second grinder 52 both include a shell 501, a first twisting block 502, a second twisting block 503, a side plate 504, a worm 505, a second servo motor 506 and a worm wheel 507, the shell 501 is arranged on one side of the limiting mechanism 6, one side of the shell 501 is fixedly connected to the first twisting block 502, and the shell 501 A second twisting block 503 is fixedly connected to the other side of the housing 501, a side plate 504 is fixedly connected to the top of the housing 501, a worm 505 is movably mounted on one side of the side plate 504, the worm 505 is fixedly mounted on the output end of the second servo motor 506, the second servo motor 506 is fixedly mounted on the top of the housing 501, a worm wheel 507 is meshed and transmitted on one side of the worm 505, the second servo motor 506 is electrically connected to the time relay, and the output end of the second servo motor 506 has the same rotation speed each time it is started.

[0029] The first grinder 51 and the second grinder 52 also include a rotating shaft 508, a triangular plate 509, a third servo motor 510, a first gear 511, a second gear 512, an abrasive belt 513, a roller 514, a transmission shaft 515 and a first positioning rod 516. The rotating shaft 508 is fixedly connected to the bottom of the worm gear 507. The triangular plate 509 is fixedly installed on the top and bottom of the rotating shaft 508. The third servo motor 510 is arranged at the bottom of the triangular plate 509. The output end of the third servo motor 510 is fixedly installed with the first gear 511. The output end of the first gear 511 is fixedly installed. A second gear 512 is meshed and driven on one side, a roller 514 is fixedly connected to one side of the second gear 512, a sanding belt 513 is driven on one side of the roller 514, a transmission shaft 515 is driven on one side of the sanding belt 513, a first positioning rod 516 is movably sleeved on one side of the first twisting block 502, the sanding belts 513 are divided into three groups, and the mesh count of each group of sanding belts 513 is different, a third servo motor 510 is fixedly installed on the bottom of the housing 501, and the third servo motors 510 inside the first grinder 51 and the second grinder 52 are both controlled in linkage through a parallel circuit.

[0030] The first twist block 502 on the first grinder 51 is movably connected to the second twist block 503 on the second grinder 52 via the first positioning rod 516 , and the maximum rotation angle of the adjacent housings 501 on the first grinder 51 and the second grinder 52 is 20°.

[0031] It is necessary to further explain that: when the casing body 4 needs to be polished, the parameters of the time relay electrically connected to the second servo motor 506 are first set, and the second servo motor 506 is energized intermittently according to the polishing time. When the second servo motor 506 is started, the worm 505 is driven to mesh with the worm wheel 507, thereby driving the rotating shaft 508 at the bottom of the worm wheel 507 to rotate synchronously. When the rotating shaft 508 rotates, the triangular plate 509 rotates synchronously and drives the sanding belt 513, the roller 514 and the transmission. The movable shaft 515 rotates around the rotating shaft 508, and the rotation angle is 120°. When the casing body 4 is initially polished, the sanding belt 513 with the lowest mesh number is used for rough processing, and then the sanding belts 513 with higher mesh numbers are used for polishing in sequence. The outer shell 501 on the first polisher 51 and the second polisher 52 are movably connected through the first positioning rod 516, and can be rotated within the range of 0° to 20°. With the cooperation of the limiting mechanism 6 and the propulsion mechanism 7, they can fit the casing body 4 for polishing.

[0032] like Figure 6 , Figure 7 and Figure 8 As shown, the limiting mechanism 6 includes a rack 601, a first tooth groove 602, a first slide rail 603, a second slide rail 604, a first limiting groove 605, a second limiting groove 606, a first cross plate 607, a positioning plate 608 and a first hydraulic cylinder 609. The rack 601 is fixedly connected to one side of the housing 501, a first tooth groove 602 is provided at the top of the rack 601, one side of the rack 601 is movably connected to the first slide rail 603, and the other side of the rack 601 is movably connected to the second slide rail 604, a first limiting groove 605 is provided at the top of the second slide rail 604, a second limiting groove 606 is provided at one side of the second slide rail 604, and the second limiting groove 606 runs through the second slide rail 604, a positioning plate 608 is fixedly installed at the top of the second slide rail 604, a first hydraulic cylinder 609 is fixedly installed at the top of the positioning plate 608, and a first cross plate 607 is fixedly installed at the output end of the first hydraulic cylinder 609.

[0033] The limiting mechanism 6 also includes a second positioning rod 610, a buffer pad 611, a third slide rail 612, a first limiting hole 613, a second slide groove 614, a second slider 615, a block 616 and a second tooth groove 617. The second positioning rod 610 is fixedly installed at the bottom of the first cross plate 607. The bottom of the second positioning rod 610 is fixedly connected with a buffer pad 611. The buffer pad 611 is movably sleeved on one side of the third slide rail 612. The top of the third slide rail 612 is provided with a first limiting hole 613. The bottom of the third slide rail 612 is provided with a second slide groove 614. The second slider 615 is movably connected inside the second slide groove 614. The bottom of the second slider 615 is fixedly connected with a block 616. The bottom of the block 616 is provided with a second tooth groove 617.

[0034] The second tooth groove 617 is meshed and connected to the top of the rack 601, the buffer pad 611 is movably connected to the top of the block 616, the height of the second positioning rod 610 is greater than the height of the third slide rail 612, the first limiting hole 613 passes through the third slide rail 612, the blocks 616 are all arranged at the bottom of the first cross plate 607, and each group of blocks 616 are respectively meshed with the rack 601.

[0035] The first transverse plate 607 is movably installed inside the first limiting groove 605, and a plurality of limiting columns are arranged on the first transverse plate 607, and a sliding sleeve is movably installed at the connection between the first transverse plate 607 and the limiting columns.

[0036] It needs to be further explained that: when the angle between the first grinder 51 and the second grinder 52 needs to be adjusted, the first hydraulic cylinder 609 is activated to drive the first horizontal plate 607 to move upward, thereby driving the second positioning rod 610 at the bottom of the first horizontal plate 607 to move, and further driving the buffer pad 611 to disengage from the block 616. At this time, the block 616 is disengaged from the rack 601, and the rack 601 can move freely on one side of the first slide rail 603 and the second slide rail 604; when the rack 601 moves to the specified position, The first hydraulic cylinder 609 is started to drive the first cross plate 607 to press down, thereby driving the buffer pad 611 to fit with the block 616, and further driving the second tooth groove 617 at the bottom of the block 616 to engage with the first tooth groove 602 at the top of the rack 601. During the engagement process, the second slider 615 at the top of the block 616 will automatically move inside the second slide groove 614 to reduce the friction between the block 616 and the rack 601. At this time, the rack 601 is fixed, and the first grinder 51 and the second grinder 52 complete the angle adjustment.

[0037] like Fig. 9 and Fig.10 As shown, the propulsion mechanism 7 includes a first cavity 701, a second cavity 702, a round tube 703, a piston rod 704, a sealing plate 705, a second hydraulic cylinder 706, a piston plate 707, a second limiting hole 708, a positioning column 709 and a stopper 710. The first cavity 701 is fixedly installed on the top of the base 105, one side of the first cavity 701 is connected to the second cavity 702, one side of the second cavity 702 is connected to the round tube 703, and the inner sleeve of the round tube 703 is movably connected with a piston Rod 704, one side of the first cavity 701 is fixedly connected with a sealing plate 705, one side of the sealing plate 705 is fixedly installed with a second hydraulic cylinder 706, the output end of the second hydraulic cylinder 706 is fixedly installed with a piston plate 707, the left and right sides of the piston plate 707 are both provided with second limiting holes 708, and the second limiting hole 708 passes through the piston plate 707, one side of the second limiting hole 708 is movably sleeved with a positioning column 709, and one side of the first cavity 701 is fixedly sleeved with a stopper 710.

[0038] The block 710 is movably connected to one side of the piston plate 707, the positioning column 709 is fixedly installed on one side of the block 710, the round tube 703, the piston rod 704, the second cavity 702, the first cavity 701 and the sealing plate 705 constitute a closed cavity, and the interior of the closed cavity is filled with hydraulic oil.

[0039] It needs to be further explained that: by starting the second hydraulic cylinder 706, the piston plate 707 is pushed to move inside the first cavity 701. Since the first cavity 701, the second cavity 702 and the circular tube 703 are all filled with hydraulic oil, when the piston plate 707 moves, the hydraulic oil will evenly apply thrust to each piston rod 704 until the piston rod 704 is restricted and cannot move forward.

[0040] According to the technical solution provided by the present invention, when it is necessary to start the device to grind the casing body 4, the casing body 4 is first fixed and clamped by the mechanical arm 3, and then the first servo motor 107 is started to drive the screw rod 106 to rotate, thereby driving the first slider 104 to slide inside the first slide groove 103, and further the first slider 104 drives the base 105 to move forward and backward along the direction of the first slide groove 103. When the base 105 moves, the grinding mechanism 5, the limiting mechanism 6 and the propulsion mechanism 7 on the top of the base 105 move synchronously.

[0041] Next, when the angle between the first grinder 51 and the second grinder 52 needs to be adjusted, the first hydraulic cylinder 609 is activated to drive the first horizontal plate 607 to move upward, thereby driving the second positioning rod 610 at the bottom of the first horizontal plate 607 to move, and further driving the buffer pad 611 to disengage from the block 616. At this time, the block 616 is disengaged from the rack 601, and the rack 601 can freely move on one side of the first slide rail 603 and the second slide rail 604; Next, the second hydraulic cylinder 706 is started to push the piston plate 707 to move inside the first cavity 701. Since the first cavity 701, the second cavity 702 and the circular tube 703 are all filled with hydraulic oil, when the piston plate 707 moves, the hydraulic oil will evenly apply thrust to each piston rod 704 until the piston rod 704 is restricted and cannot move forward.

[0042] Subsequently, when the rack 601 moves to the specified position, the first hydraulic cylinder 609 is started to drive the first cross plate 607 to press down, thereby driving the buffer pad 611 to fit with the block 616, and further driving the second tooth groove 617 at the bottom of the block 616 to engage with the first tooth groove 602 at the top of the rack 601. During the engagement process, the second slider 615 at the top of the block 616 will automatically move inside the second slide groove 614 to reduce the friction between the block 616 and the rack 601. At this time, the rack 601 is fixed, and the first grinder 51 and the second grinder 52 complete the angle adjustment.

[0043] Finally, when it is necessary to grind the casing body 4, the second servo motor 506 is controlled to start, driving the worm 505 to mesh with the worm wheel 507 for transmission, thereby driving the rotating shaft 508 at the bottom of the worm wheel 507 to rotate synchronously. When the rotating shaft 508 rotates, the triangular plate 509 rotates synchronously and drives the sanding belt 513, the roller 514 and the transmission shaft 515 to rotate around the rotating shaft 508. The rotation angle is 120°. When the casing body 4 is initially grinded, the sanding belt 513 with the lowest mesh number is used for rough processing, and then the sanding belts 513 with higher mesh numbers are used for grinding in turn. The housing 501 on the first grinder 51 and the second grinder 52 are movably connected through the first positioning rod 516, and can be rotated within the range of 0° to 20°. With the cooperation of the limiting mechanism 6 and the propulsion mechanism 7, they can fit the casing body 4 for grinding.

[0044] The present invention covers any substitution, modification, equivalent method and scheme made on the essence and scope of the present invention. In order to make the public have a thorough understanding of the present invention, specific details are described in detail in the following preferred embodiments of the present invention, but those skilled in the art can fully understand the present invention without the description of these details. In addition, in order to avoid unnecessary confusion about the essence of the present invention, well-known methods, processes, procedures, components and circuits are not described in detail.

[0045] A person skilled in the art will appreciate that all or part of the steps in the above-mentioned embodiment method can be completed by instructing related hardware through a program, and the program can be stored in a computer-readable storage medium, such as ROM / RAM, a disk, an optical disk, etc.

[0046] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A device for polishing and grinding complex cavities of casting casings, characterized in that: The machine tool comprises a machine tool body (1), a bottom plate (2) is arranged on one side of the machine tool body (1), a mechanical arm (3) is arranged on the top of the bottom plate (2), a casing body (4) is fixedly mounted on one side of the mechanical arm (3), a grinding mechanism (5) is arranged on one side of the casing body (4), a limiting mechanism (6) is arranged on one side of the grinding mechanism (5), and a propulsion mechanism (7) is arranged on one side of the limiting mechanism (6); A grinding mechanism (5), the grinding mechanism (5) comprising a first grinder (51) and a second grinder (52), the first grinder (51) and the second grinder (52) being arranged on one side of a casing body (4), the first grinder (51) and the second grinder (52) both comprising a housing (501), a first twisting block (502), a second twisting block (503), a side plate (504), a worm (505), a second servo motor (506) and a worm wheel (507), the housing (501) being arranged on one side of a limiting mechanism (6), the first twisting block (502) being fixedly connected to one side of the housing (501), A second twisting block (503) is fixedly connected to the other side of the housing (501), a side plate (504) is fixedly connected to the top of the housing (501), a worm (505) is movably mounted on one side of the side plate (504), the worm (505) is fixedly mounted on the output end of a second servo motor (506), the second servo motor (506) is fixedly mounted on the top of the housing (501), a worm wheel (507) is meshed and driven on one side of the worm (505), the second servo motor (506) is electrically connected to a time relay, and the output end of the second servo motor (506) has the same rotation speed each time it is started.

2. The device for polishing and grinding the complex cavity of a casting casing according to claim 1, characterized in that: The first sander (51) and the second sander (52) further comprise a rotating shaft (508), a triangular plate (509), a third servo motor (510), a first gear (511), a second gear (512), an abrasive belt (513), a roller shaft (514), a transmission shaft (515) and a first positioning rod (516); the rotating shaft (508) is fixedly connected to the bottom of the worm gear (507); the triangular plate (509) is fixedly mounted on the top and bottom of the rotating shaft (508); the third servo motor (510) is arranged at the bottom of the triangular plate (509); the first gear (511) is fixedly mounted on the output end of the third servo motor (510); the first gear (511) is fixedly mounted on the output end of the first gear (511); 1), one side of the second gear (512) is meshed and driven with a second gear (512), one side of the second gear (512) is fixedly connected with a roller shaft (514), one side of the roller shaft (514) is belt-driven with a sanding belt (513), one side of the sanding belt (513) is belt-driven with a transmission shaft (515), the first positioning rod (516) is movably sleeved on one side of the first twisting block (502), the sanding belts (513) are divided into three groups, and the mesh counts of each group of sanding belts (513) are different, the third servo motor (510) is fixedly mounted on the bottom of the housing (501), and the third servo motors (510) inside the first grinder (51) and the second grinder (52) are both controlled in linkage via a parallel circuit.

3. The device for polishing and grinding the complex cavity of a casting casing according to claim 1, characterized in that: The machine tool body (1) comprises a support block (101), a top plate (102), a first slide groove (103), a first slider (104), a base (105), a screw rod (106) and a first servo motor (107); the support block (101) is arranged on one side of the bottom plate (2); the top plate (102) is fixedly mounted on the top of the support block (101); the top of the top plate (102) is provided with a first slide groove (103); the first slider (104) is movably mounted inside the first slide groove (103); the top of the first slider (104) is fixedly mounted with a base (105); a screw rod (106) is threadedly sleeved on one side of the first slider (104); the screw rod (106) is fixedly mounted on the output end of the first servo motor (107); the first servo motor (107) is fixedly mounted on one side of the top plate (102); and the base (105) is fixedly mounted on the bottom of a limiting mechanism (6).

4. The device for polishing and grinding the complex cavity of a casting casing according to claim 1, characterized in that: The first twist block (502) on the first grinder (51) is movably connected to the second twist block (503) on the second grinder (52) via a first positioning rod (516), and the maximum rotation angle of the adjacent outer shells (501) on the first grinder (51) and the second grinder (52) is 20 degrees.

5. The device for polishing and grinding the complex cavity of a casting casing according to claim 1, characterized in that: The limiting mechanism (6) comprises a rack (601), a first tooth groove (602), a first slide rail (603), a second slide rail (604), a first limiting groove (605), a second limiting groove (606), a first transverse plate (607), a positioning plate (608) and a first hydraulic cylinder (609); the rack (601) is fixedly connected to one side of the housing (501); a first tooth groove (602) is provided on the top of the rack (601); one side of the rack (601) is movably connected to the first slide rail (603); the rack (601) ) is movably connected to a second slide rail (604) on the other side, a first limiting groove (605) is provided on the top of the second slide rail (604), a second limiting groove (606) is provided on one side of the second slide rail (604), and the second limiting groove (606) passes through the second slide rail (604), a positioning plate (608) is fixedly installed on the top of the second slide rail (604), a first hydraulic cylinder (609) is fixedly installed on the top of the positioning plate (608), and a first cross plate (607) is fixedly installed on the output end of the first hydraulic cylinder (609).

6. The device for polishing and grinding the complex cavity of a casting casing according to claim 1, characterized in that: The limiting mechanism (6) further comprises a second positioning rod (610), a buffer pad (611), a third slide rail (612), a first limiting hole (613), a second slide groove (614), a second slider (615), a clamping block (616) and a second tooth groove (617); the second positioning rod (610) is fixedly mounted on the bottom of the first transverse plate (607); the bottom of the second positioning rod (610) is fixedly connected to the buffer pad (611); the buffer pad (611) is movably sleeved on one side of the third slide rail (612); the top of the third slide rail (612) is provided with a first limiting hole (613); the bottom of the third slide rail (612) is provided with a second slide groove (614); the second slider (615) is movably connected inside the second slide groove (614); the bottom of the second slider (615) is fixedly connected to the clamping block (616); the bottom of the clamping block (616) is provided with a second tooth groove (617).

7. The device for polishing and grinding the complex cavity of a casting casing according to claim 6, characterized in that: The second tooth groove (617) is meshedly connected to the top of the rack (601), the buffer pad (611) is movably connected to the top of the block (616), the height of the second positioning rod (610) is greater than the height of the third slide rail (612), the first limiting hole (613) passes through the third slide rail (612), the blocks (616) are all arranged at the bottom of the first cross plate (607), and each group of blocks (616) is respectively meshed with the rack (601).

8. The device for polishing and grinding the complex cavity of a casting casing according to claim 5, characterized in that: The first transverse plate (607) is movably mounted inside the first limiting groove (605), and a plurality of limiting columns are arranged on the first transverse plate (607), and a sliding sleeve is movably mounted at the connection between the first transverse plate (607) and the limiting columns.

9. The device for polishing and grinding the complex cavity of a casting casing according to claim 1, characterized in that: The propulsion mechanism (7) comprises a first cavity (701), a second cavity (702), a round tube (703), a piston rod (704), a sealing plate (705), a second hydraulic cylinder (706), a piston plate (707), a second limiting hole (708), a positioning column (709) and a stopper (710); the first cavity (701) is fixedly mounted on the top of the base (105); one side of the first cavity (701) is connected to the second cavity (702); one side of the second cavity (702) is connected to the round tube (703); and the inner sleeve of the round tube (703) is movably connected to a second cavity (702). A plug rod (704), a sealing plate (705) is fixedly connected to one side of the first cavity (701), a second hydraulic cylinder (706) is fixedly installed on one side of the sealing plate (705), a piston plate (707) is fixedly installed on the output end of the second hydraulic cylinder (706), second limiting holes (708) are opened on both the left and right sides of the piston plate (707), and the second limiting hole (708) passes through the piston plate (707), a positioning column (709) is movably sleeved on one side of the second limiting hole (708), and a stopper (710) is fixedly sleeved on one side of the first cavity (701).

10. The device for polishing and grinding the complex cavity of a casting casing according to claim 9, characterized in that: The stopper (710) is movably connected to one side of the piston plate (707), the positioning column (709) is fixedly installed on one side of the stopper (710), the circular tube (703), the piston rod (704), the second cavity (702), the first cavity (701) and the sealing plate (705) form a closed cavity, and the interior of the closed cavity is filled with hydraulic oil.

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