A metal casting polishing device and method

Abstract

The application belongs to the technical field of polishing devices, and specifically discloses a metal casting polishing device and method, which comprises a workbench, a mounting plate is fixedly arranged at the upper end of the workbench, a driving assembly is arranged on one side of the mounting plate, a switching assembly is arranged on one side of the driving assembly, a rotating assembly is arranged on the other side of the mounting plate, a flange plate is arranged on the inner side of the rotating assembly, the driving assembly comprises a vertical plate which is fixedly arranged at the upper end of one side of the mounting plate, a hydraulic cylinder is fixedly arranged at one end of the vertical plate, an installation disc is fixedly arranged at one end of the hydraulic cylinder telescopic shaft, a driving frame is movably arranged on the outer side of the hydraulic cylinder telescopic shaft, a first fixing shaft is fixedly arranged at one end of the installation disc, and a second fixing shaft is fixedly arranged on one side of the driving frame. Through the overall cooperation, the production rhythm is shortened, the dependence on manual operation is reduced, and the equipment floor area and purchase cost are reduced.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of polishing devices, and particularly discloses a metal casting polishing device and method. BACKGROUND

[0002] In the field of metal casting processing, as a core component for pipeline connection, the polishing quality of the flange directly determines the sealing performance and assembly precision after casting. The existing polishing equipment has significant structural defects, and it is difficult to consider the integrated polishing treatment of the surface of the flange and the bolt hole, and it is necessary to frequently replace the corresponding equipment for separate operation. For the surface parts such as the sealing surface and the back surface of the flange, the existing equipment lacks the posture adjustment ability of the polishing head, and the fit is poor, and the problems of over-polishing and missed polishing are easy to occur, and the flatness of the sealing surface and the integrity of the water line cannot be guaranteed; for the circumferentially distributed bolt holes, there is a lack of special synchronous polishing mechanism, and the hole burr and the sand sticking to the inner wall need to be cleaned separately by means of small equipment, which is complicated to operate. During the equipment switching process, not only the process redundancy and the low polishing efficiency are caused, but also the positioning error is easy to occur due to multiple clamping, which affects the processing precision of the flange. At the same time, the frequent replacement of equipment increases the labor cost and the equipment maintenance burden. SUMMARY

[0003] The application aims to solve the problems in the prior art and provides a metal casting polishing device and method.

[0004] In order to achieve the above object, the application provides a metal casting polishing device, which comprises a workbench, a mounting plate fixedly arranged on the upper end of the workbench, a driving assembly arranged on one side of the mounting plate, a switching assembly arranged on one side of the driving assembly, a rotating assembly arranged on the other side of the mounting plate, and a flange plate arranged on the inner side of the rotating assembly. The driving assembly comprises a vertical plate fixedly arranged on the upper end of one side of the mounting plate, a hydraulic cylinder fixedly arranged on one end of the vertical plate, an installation disc fixedly arranged on one end of the hydraulic cylinder telescopic shaft, a driving frame movably arranged on the outer side of the hydraulic cylinder telescopic shaft, a first fixed shaft fixedly arranged on one end of the installation disc, a second fixed shaft fixedly arranged on one side of the driving frame, an air cylinder movably arranged between the second fixed shaft and the first fixed shaft, six first movable openings formed in the inner side of the installation disc, a first sliding block slidably arranged in the inner side of the first movable opening, a transmission rod movably arranged in the inner side of the first sliding block, a first synchronous wheel fixedly arranged on the outer side of the transmission rod, a second movable opening formed between every two adjacent first movable openings in the inner side of the installation disc, a second sliding block slidably arranged in the inner side of the second movable opening, a first spring fixedly arranged between the second sliding block and the inner wall of the second movable opening, a first wheel shaft fixedly arranged in the inner side of the second sliding block, a second synchronous wheel movably arranged on the outer side of the first wheel shaft, a second wheel shaft fixedly arranged on both sides of each second movable opening on one end of the installation disc, a third synchronous wheel movably arranged on the outer side of the second wheel shaft, and a synchronous belt sleeved on the outer sides of the six first wheel shafts, the first synchronous wheels and the third synchronous wheels.

[0005] In the above technical scheme, preferably, the switching assembly comprises a fixed frame fixedly arranged on one end of each first sliding block, a U-shaped frame rotatably arranged on one side of the fixed frame, a transmission disc rotatably arranged on the inner side of the fixed frame and the U-shaped frame, four connecting rods movably arranged in the inner sides of two transmission discs, a first gear fixedly arranged on the outer side of the transmission disc in the fixed frame, a first motor fixedly arranged on the upper side of the fixed frame, a second gear fixedly arranged on the rotating shaft of the first motor, six universal joints fixedly arranged on the six U-shaped frames, the six U-shaped frames being hexagonal in shape, one universal joint being arranged on each of the two uppermost U-shaped frames in the hexagonal shape, two universal joints being arranged on each of the other four U-shaped frames, an extension rod fixedly arranged between every two adjacent universal joints, a second motor fixedly arranged on one side of one of the two uppermost U-shaped frames, the rotating shaft of the second motor being fixedly connected with the fixed frame, a polishing wheel fixedly arranged on one end of the transmission disc on the U-shaped frame, four movable cavities formed in the inner side of the polishing wheel, and a polishing strip movably arranged in the movable cavity and fixedly arranged with a second spring between the polishing strip and the inner wall of the movable cavity.

[0006] In the above technical scheme, preferably, the rotating assembly comprises two groups of fixed plates fixedly arranged on the other end of the mounting plate, two groups of rollers movably arranged on the inner sides of the two groups of fixed plates, a third motor fixedly arranged on the upper end of the mounting plate at the position of the fixed plates, a third gear fixedly arranged on the rotating shaft of each group of rollers, a lock frame arranged on the upper side of each group of fixed plates, a pressing roller movably arranged on the inner side of the lock frame, two groups of spring buckles mounted between the lock frames on the two sides and the two groups of fixed plates, a monitoring rod fixedly arranged at one end of each group of fixed plates, and a visual sensor fixedly arranged on the monitoring rod.

[0007] In the above technical scheme, preferably, the corresponding six groups of transmission rods on the driving frame are arranged as arc-shaped frames, and the second fixed shaft is arranged on one group of arc-shaped frames of the driving frame.

[0008] In the above technical scheme, preferably, the transmission rod is inserted into the corresponding arc-shaped frame on one side, and the second sliding block is pushed to the position on the side of the second movable opening under the action of the first spring.

[0009] In the above technical scheme, preferably, the transmission disc in the fixed frame is fixedly connected with the transmission rod, the four groups of connecting rods in the two groups of transmission discs are rotatably connected with each other, and the first gear and the second gear are arranged in meshing mode.

[0010] In the above technical scheme, preferably, the universal joint is arranged on the central shaft of the U-shaped frame along the fixed frame, the telescopic rod is composed of an extension rod and a sleeve rod, and the extension rod and the sleeve rod are arranged between adjacent two groups of universal joints, and the four groups of polishing strips are unfolded under the action of centrifugal force when the polishing wheel rotates.

[0011] In the above technical scheme, preferably, the two groups of third gears are arranged in meshing mode, the pressing roller is held on the inner ring of the flange plate, the two groups of spring buckles position the flange plate between the two groups of rollers and the pressing roller for clamping, and the visual sensor visually monitors the position of the bolt hole of the flange plate.

[0012] Also provided is a use method of the polishing device, for operating a metal casting polishing device, comprising the following steps:

[0013] S1: placing the flange plate on the two groups of rollers, clamping and locking the flange plate in the lock frame and the two groups of spring buckles, and driving the rollers to rotate by the third motor to drive the flange plate to rotate;

[0014] S2: pushing the switching assembly to the flange plate for polishing by the hydraulic cylinder, and driving the driving frame to rotate by the air cylinder to control the six groups of first synchronous wheels to synchronously expand or close;

[0015] S3: through the use of the first motor drive six sets of polishing wheel synchronous rotation work, and the second motor rotates 90 degrees, six sets of polishing wheel synchronous outward or inward rotation, six sets of polishing wheel presents a plane state, with the use of drive assembly, can be flange plate two end surface polishing work.

[0016] Compared with the prior art, the present application has the following beneficial effects:

[0017] 1, the flange is placed on the two sets of rollers, and the lock frame and the pressure roller are placed on the inner ring of the flange, and the flange is clamped and locked in the two sets of spring buckles, and then the third motor is used to drive the two sets of third gears to rotate, thereby driving a set of rollers to rotate, and the visual sensor synchronously moves the required polishing position before and after the flange rotation bolt hole, and the switching assembly is used to realize the polishing work.

[0018] 2, the hydraulic cylinder can push the mounting disc and the switching assembly to move towards the flange position for polishing, and the extension of the air cylinder can start the connected second fixed shaft and drive frame to rotate along the hydraulic cylinder extension shaft, and the rotating drive frame pushes the inner transmission rod through the set arc frame, the transmission rod slides in the first movable port through the first sliding block, so that the connected six sets of first synchronous wheels are synchronized to expand or close, realizing the distance adjustment of the six sets of polishing wheels in the switching assembly, cooperating with the hydraulic cylinder to polish the inner and outer rings of the flange, and adapting to different diameter specifications of the flange inner and outer rings or different hole diameters of the bolt hole, significantly improving the versatility of the equipment, at the same time, the synchronous belt will pull another six sets of second synchronous wheels, so that the connected first axle and second sliding block slide in the second movable port, extruding the first spring, and through the elastic action of the first spring, the synchronous belt keeps stable connection for driving.

[0019] 3. The first motor drives the second gear to rotate, which in turn drives the meshing first gear to rotate. The rotating first gear drives the connected transmission disc and transmission rod, which, in conjunction with the synchronous belt, drives the six sets of transmission rods and the six sets of connected transmission discs to rotate. The rotating transmission disc in the fixed frame drives the four sets of connected rods to rotate, and the rotating connected rods drive the transmission disc in the U-shaped frame to rotate, thus synchronously rotating the six sets of grinding wheels. After adjusting the position of the six sets of grinding wheels with the help of the drive assembly, the grinding wheels are inserted into the bolt holes of the flange. With the centrifugal force during rotation, the six sets of grinding strips extend outward, thereby grinding the threaded holes. When the second motor is started and rotated 90 degrees during the grinding process, the second motor's rotating shaft is connected to the fixed frame, and the second motor itself is connected to the U-shaped frame. This causes the U-shaped frame to rotate 90 degrees along the fixed frame. At the same time, with the help of the connected universal joint and telescopic rod, the other five U-shaped frames rotate synchronously with the connected fixed frame, causing the six grinding wheels to rotate synchronously outward or inward. The six grinding wheels are in a flat state. With the use of the drive assembly, the surfaces of both ends of the flange can be ground, shortening the production cycle, reducing reliance on manual operation, and reducing the equipment's footprint and purchase cost. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of a metal casting grinding device proposed in this invention;

[0021] Figure 2 This is a schematic diagram of the drive assembly, switching assembly, and rotating assembly of a metal casting grinding device proposed in this invention.

[0022] Figure 3 This is a schematic diagram of the drive assembly structure of a metal casting grinding device proposed in this invention.

[0023] Figure 4 This is a partial structural diagram of the drive assembly of a metal casting grinding device proposed in this invention.

[0024] Figure 5 This invention provides a metal casting grinding device. Figure 4 Enlarged structural diagram of section A in the middle;

[0025] Figure 6 This is a schematic diagram of the switching component structure of a metal casting grinding device proposed in this invention;

[0026] Figure 7 This is a partial structural diagram of the switching component of a metal casting grinding device proposed in this invention. Figure 1 ;

[0027] Figure 8 This invention provides a metal casting grinding device. Figure 7 Enlarged structural diagram of section B;

[0028] Figure 9 A metal casting polishing device switching assembly partial structure schematic Figure 2 ;

[0029] Figure 10 A metal casting polishing device switching assembly partial structure schematic Figure 3 ;

[0030] Figure 11 A metal casting polishing device rotating assembly structure schematic.

[0031] In the figure: 1, workbench; 2, mounting plate; 3, drive assembly; 31, vertical plate; 32, hydraulic cylinder; 33, mounting disc; 34, drive frame; 35, first fixed shaft; 36, second fixed shaft; 37, air cylinder; 38, first movable port; 39, first sliding block; 310, transmission rod; 311, first synchronous wheel; 312, second movable port; 313, second sliding block; 314, first spring; 315, first wheel shaft; 316, second synchronous wheel; 317, second wheel shaft; 318, third synchronous wheel; 319, synchronous belt; 4, switching assembly; 41, fixed frame; 42, U-shaped frame; 43, transmission disc; 44, connecting rod; 45, first gear; 46, first motor; 47, second gear; 48, universal joint; 49, telescopic rod; 410, second motor; 411, polishing wheel; 412, movable cavity; 413, polishing strip; 414, second spring; 5, rotating assembly; 51, fixed plate; 52, roller; 53, third motor; 54, third gear; 55, lock frame; 56, pressure roller; 57, spring buckle; 58, monitoring rod; 59, visual sensor; 6, flange plate. DETAILED DESCRIPTION

[0032] In order to enable the above-mentioned objects, features and advantages of the present application to be more clearly understood, the following will further describe the present application with reference to the drawings and specific embodiments.

[0033] In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. However, it will be apparent to one skilled in the art that the present application can be practiced without the specific details and other implementations can be employed. Thus, the present application is not intended to be limited to the specific embodiments disclosed below, and instead has a plethora of potential applications.

[0034] As Figures 1 to 11The metal casting polishing device shown, including the workbench 1, the workbench 1 upper end fixedly provided with mounting plate 2, mounting plate 2 side is provided with drive assembly 3, drive assembly 3 side is provided with switching assembly 4, mounting plate 2 the other side is provided with rotating assembly 5, rotating assembly 5 inner side is provided with flange plate 6, drive assembly 3 includes fixedly provided on the mounting plate 2 one side upper end vertical plate 31, vertical plate 31 one end is fixedly provided with hydraulic cylinder 32, hydraulic cylinder 32 telescopic shaft one end is fixedly provided with mounting disc 33, hydraulic cylinder 32 telescopic shaft outer side is movably provided with drive frame 34, mounting disc 33 one end is fixedly provided with first fixed shaft 35, drive frame 34 one side is fixedly provided with second fixed shaft 36, second fixed shaft 36 and first fixed shaft 35 between movably provided with cylinder 37, mounting disc 33 inner side is provided with six groups of first movable port 38, first movable port 38 inner side is slidably provided with first sliding block 39, first sliding block 39 inner side movably provided with transmission rod 310, transmission rod 310 outer side is fixedly provided with first synchronous wheel 311, mounting disc 33 inner side between the adjacent two groups of first movable port 38 are provided with second movable port 312, second movable port 312 inner side is slidably provided with second sliding block 313, second sliding block 313 and second movable port 312 inner wall between fixedly provided with first spring 314, second sliding block 313 inner side is fixedly provided with first wheel shaft 315, first wheel shaft 315 outer side movably provided with second synchronous wheel 316, mounting disc 33 one end each group of second movable port 312 both sides are fixedly provided with second wheel shaft 317, second wheel shaft 317 outer side movably provided with third synchronous wheel 318, several groups of third synchronous wheel 318 and six groups of first wheel shaft 315, first synchronous wheel 311 outer side is provided with synchronous belt 319.

[0035] The drive frame 34 is provided with arc-shaped frame corresponding to the position of six groups of transmission rod 310, and the second fixed shaft 36 is arranged on a group of arc-shaped frames of the drive frame 34, and the transmission rod 310 is inserted into the corresponding arc-shaped frame on one side, and the second sliding block 313 is pushed to the side position of the second movable port 312 under the spring action of the first spring 314.

[0036] The polishing of the flange plate 6 can be realized by moving the mounting disc 33 and the switching assembly 4 to the flange plate 6 through the hydraulic cylinder 32, and the second fixed shaft 36 connected with the driving frame 34 can be rotated along the extension and retraction shaft of the hydraulic cylinder 32 through the extension and retraction of the air cylinder 37, and the driving frame 34 can push the inner transmission rod 310 through the arc-shaped frame, the transmission rod 310 can slide in the first movable port 38 through the first sliding block 39, the six groups of first synchronous wheels 311 connected with the transmission rod 310 can be expanded or moved close to each other, the distance between the six groups of polishing wheels 411 in the switching assembly 4 can be adjusted, the polishing wheels 411 can be matched with the inner and outer rings of the flange plate 6 to realize the polishing work, the flange plate 6 with different diameters or the bolt hole with different diameters can be matched, and the universality of the equipment can be improved. At the same time, the synchronous belt 319 can pull the other six groups of second synchronous wheels 316, so that the first wheel shaft 315 and the second sliding block 313 connected with the first wheel shaft 315 can slide in the second movable port 312, the first spring 314 can be squeezed, and the synchronous belt 319 can be driven through the elastic action of the first spring 314.

[0037] The switching assembly 4 comprises a fixed frame 41 fixedly arranged at one end of each first sliding block 39, a U-shaped frame 42 rotatably arranged on one side of the fixed frame 41, a transmission disc 43 rotatably arranged on the inner side of the fixed frame 41 and the U-shaped frame 42, four groups of connecting rods 44 movably arranged on the inner side of the two transmission discs 43, a first gear 45 fixedly arranged on the outer side of the transmission disc 43 in the fixed frame 41, a first motor 46 fixedly arranged on the upper side of the fixed frame 41, a second gear 47 fixedly arranged on the rotating shaft of the first motor 46, a universal joint 48 fixedly arranged on each of the six U-shaped frames 42, the six U-shaped frames 42 are hexagonal, and only one universal joint 48 is arranged on each of the two U-shaped frames 42 at the top of the hexagonal shape, two universal joints 48 are arranged on each of the other four U-shaped frames 42, an extension rod 49 is fixedly arranged between the two adjacent universal joints 48, a second motor 410 is fixedly arranged on one side of one of the two U-shaped frames 42 at the top, the rotating shaft of the second motor 410 is fixedly connected with the fixed frame 41, a polishing wheel 411 is fixedly arranged at one end of the transmission disc 43 on the U-shaped frame 42, four movable cavities 412 are formed in the inner side of the polishing wheel 411, and a polishing strip 413 is movably arranged in the inner side of the movable cavity 412. A second spring 414 is fixedly arranged between the polishing strip 413 and the inner wall of the movable cavity 412.

[0038] The transmission disc 43 in the fixed frame 41 is fixedly connected with the transmission rod 310, the four groups of connecting rods 44 in the two transmission discs 43 are rotatably connected with each other, the first gear 45 is meshingly arranged with the second gear 47, the universal joint 48 is arranged on the central shaft of the U-shaped frame 42 along the fixed frame 41, the extension rod 49 is composed of an extension rod and a sleeve rod, and the extension rod and the sleeve rod are arranged between the two adjacent universal joints 48, and the four groups of polishing strips 413 are expanded under the action of centrifugal force when the polishing wheel 411 rotates.

[0039] The second gear 47 is driven to rotate by the first motor 46, the engaged first gear 45 is driven to rotate, the rotating first gear 45 drives the connected transmission disc 43 and transmission rod 310, and the six groups of transmission rods 310 and the connected six groups of transmission discs 43 are driven to rotate by the use of the synchronous belt 319, the rotating transmission disc 43 in the fixed frame 41 drives the connected four groups of connecting rods 44 to rotate, the rotating connecting rod 44 drives the transmission disc 43 in the U-shaped frame 42 to rotate, so that the six groups of polishing wheels 411 are synchronously rotated, and after the position of the six groups of polishing wheels 411 is adjusted by the driving assembly 3, the polishing wheel 411 is inserted into the bolt hole of the flange plate 6, and the six groups of polishing strips 413 are extended outward under the centrifugal force during rotation, so that the threaded hole is polished, and when the second motor 410 is started to rotate by ninety degrees, since the rotating shaft of the second motor 410 is connected with the fixed frame 41 and the second motor 410 is connected with the U-shaped frame 42, the U-shaped frame 42 is rotated by ninety degrees along the fixed frame 41, and the universal joint 48 and the telescopic rod 49 are connected, so that the other five groups of U-shaped frames 42 are synchronously rotated with the connected fixed frame 41, so that the six groups of polishing wheels 411 are synchronously rotated outward or inward, the six groups of polishing wheels 411 are in a plane state, the flange plate 6 can be polished on both ends of the surface by using the driving assembly 3, the production rhythm is shortened, the dependence on manual operation is reduced, and the equipment area and purchase cost are reduced.

[0040] The rotating assembly 5 comprises two groups of fixed plates 51 fixedly arranged on the other side of the mounting plate 2, two groups of rollers 52 movably arranged in the inner sides of the two groups of fixed plates 51, a third motor 53 fixedly arranged on the upper end of the mounting plate 2, third gears 54 fixedly arranged on the rotating shafts of the two groups of rollers 52, a lock frame 55 arranged on the upper sides of the two groups of fixed plates 51, a pressing wheel 56 movably arranged in the inner side of the lock frame 55, two groups of spring buckles 57 arranged between the lock frame 55 and the two groups of fixed plates 51, a monitoring rod 58 fixedly arranged at one end of one group of fixed plates 51, and a visual sensor 59 fixedly arranged on the monitoring rod 58.

[0041] The two groups of third gears 54 are arranged in engagement, the pressing wheel 56 is pressed on the inner ring of the flange plate 6, the two groups of spring buckles 57 clamp the flange plate 6 between the two groups of rollers 52 and the pressing wheel 56, and the visual sensor 59 visually monitors the position of the bolt hole of the flange plate 6.

[0042] The flange plate 6 is placed on the two sets of rollers 52, and the lock frame 55 and the pressure roller 56 are placed on the inner ring of the flange plate 6. The flange plate 6 is clamped and locked in the middle by the two sets of spring buckles 57. The third motor 53 is used to drive the two sets of third gears 54 to rotate, thereby driving a set of rollers 52 to rotate, rotating the flange plate 6, and the visual sensor 59 synchronously moving the bolt hole of the flange plate 6 to the position required for polishing, and cooperating with the switching assembly 4 to realize the polishing work.

[0043] A method for using the polishing device is also provided, for operating a metal casting polishing device, comprising the following steps:

[0044] S1: The flange plate 6 is placed on the two sets of rollers 52, and the lock frame 55 and the two sets of spring buckles 57 are used to clamp and lock the flange plate 6 in the middle. The third motor 53 is used to drive the rollers 52 to rotate, thereby rotating the flange plate 6;

[0045] S2: The switching assembly 4 is pushed towards the flange plate 6 for polishing by the hydraulic cylinder 32, and the air cylinder 37 is started to drive the frame 34 to rotate, thereby controlling the six sets of first synchronous wheels 311 to synchronously expand or close;

[0046] S3: The first motor 46 is used to drive the six sets of polishing wheels 411 to synchronously rotate, and the second motor 410 is used to rotate by ninety degrees, thereby synchronously rotating the six sets of polishing wheels 411 outward or inward, and the six sets of polishing wheels 411 present a flat state. The driving assembly 3 is used to polish the surfaces at both ends of the flange plate 6.

[0047] Working principle: in use, the flange 6 is placed on the two groups of rollers 52, and the lock frame 55 and the pressure roller 56 are placed on the inner ring of the flange 6. The two groups of spring buckles 57 are matched to clamp and lock the flange 6 in the middle, and the third motor 53 is used to drive the two groups of third gears 54 to rotate, thereby driving a group of rollers 52 to rotate and rotating the flange 6. The visual sensor 59 synchronously moves the required polishing position before and after the rotation of the flange 6, and cooperates with the switching assembly 4 to realize the polishing work. The hydraulic cylinder 32 can push the mounting disc 33 and the switching assembly 4 to move towards the position of the flange 6 for polishing, and the extension of the air cylinder 37 can start the connected second fixed shaft 36 and the driving frame 34 to rotate along the extension shaft of the hydraulic cylinder 32. The rotating driving frame 34 pushes the transmission rod 310 on the inside through the arc-shaped frame, and the transmission rod 310 slides in the first sliding slot 39 in the first movable port 38, so that the connected six groups of first synchronous wheels 311 are synchronously expanded or moved close to each other, realizing the distance adjustment of the six groups of polishing wheels 411 in the switching assembly 4, cooperating with the hydraulic cylinder 32 to polish the inner and outer rings of the flange 6, and adapting to different diameter specifications of the inner and outer rings of the flange 6 or different hole diameters of the bolt hole, significantly improving the versatility of the equipment. At the same time, the synchronous belt 319 will pull another six groups of second synchronous wheels 316, so that the connected first wheel shaft 315 and second sliding block 313 slide in the second movable port 312, extruding the first spring 314. Under the elastic action of the first spring 314, the synchronous belt 319 remains stable connection for driving. Second, the first motor 46 drives the second gear 47 to rotate, driving the meshing first gear 45 to rotate, and the rotating first gear 45 drives the connected transmission disc 43 and transmission rod 310, and cooperates with the use of the synchronous belt 319 to drive the six groups of transmission rods 310 and the connected six groups of transmission discs 43 to rotate. The rotating transmission disc 43 in the fixed frame 41 drives the connected four groups of connecting rods 44 to rotate, and the rotating connecting rod 44 drives the transmission disc 43 in the U-shaped frame 42 to rotate, thereby synchronously rotating the six groups of polishing wheels 411. After adjusting the position of the six groups of polishing wheels 411, the polishing wheels 411 are inserted into the bolt hole of the flange 6. With the centrifugal force during rotation, the six groups of polishing strips 413 extend outward, thereby polishing the thread hole. When the second motor 410 is started to rotate by ninety degrees, because the second motor 410 rotating shaft is connected with the fixed frame 41, and the second motor 410 itself is connected with the U-shaped frame 42, the U-shaped frame 42 rotates by ninety degrees along the fixed frame 41, and cooperates with the connected universal joint 48 and telescopic rod 49, so that the other five groups of U-shaped frames 42 synchronously rotate with the connected fixed frame 41, so that the six groups of polishing wheels 411 synchronously rotate outward or inward, and the six groups of polishing wheels 411 present a plane state. Cooperating with the use of the driving assembly 3, the surfaces of the flange 6 at both ends can be polished, the production rhythm is shortened, the dependence on manual operation is reduced, and the equipment area and purchase cost are reduced.

[0048] The electrical equipment of the hydraulic cylinder 32, the air cylinder 37, the first motor 46, the universal joint 48, the telescopic rod 49, the second motor 410, the third motor 53, the flange plate 6 and the connection of the components in the present application all belong to the common knowledge in the field, and their working principles are the known technology, and their models are selected according to the actual use, so they will not be explained in detail.

[0049] In the present application, the terms such as "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense. For example, "connecting" can be fixed connection, detachable connection or integral connection; it can be directly connected or indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0050] In the description of the present application, if the terms "one embodiment", "some embodiments", "specific embodiments" and the like are described, it means that the specific features, structures, materials or characteristics described in connection with the embodiments or examples are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0051] The basic principles, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection claimed by the present application is defined by the appended claims and their equivalents.

Claims

1. A metal casting polishing device comprising a worktable (1), characterized in that: The workbench (1) upper end is fixedly provided with a mounting plate (2), one side of the mounting plate (2) is provided with a driving assembly (3), one side of the driving assembly (3) is provided with a switching assembly (4), the other side of the mounting plate (2) is provided with a rotating assembly (5), the inner side of the rotating assembly (5) is provided with a flange plate (6), the driving assembly (3) comprises a vertical plate (31) fixedly arranged on the upper end of one side of the mounting plate (2), one end of the vertical plate (31) is fixedly provided with a hydraulic cylinder (32), one end of the telescopic shaft of the hydraulic cylinder (32) is fixedly provided with a mounting disc (33), the outer side of the telescopic shaft of the hydraulic cylinder (32) is movably provided with a driving frame (34), one end of the mounting disc (33) is fixedly provided with a first fixed shaft (35), one side of the driving frame (34) is fixedly provided with a second fixed shaft (36), the second fixed shaft (36) and the first fixed shaft (35) are movably provided with a pneumatic cylinder (37), the inner side of the mounting disc (33) is provided with six groups of first movable openings (38), the inner side of the first movable opening (38) is slidably provided with a first sliding block (39), the inner side of the first sliding block (39) is movably provided with a transmission rod (310), the outer side of the transmission rod (310) is fixedly provided with a first synchronous wheel (311), the inner side of the mounting disc (33) is provided with a second movable opening (312) between every two adjacent groups of first movable openings (38), the inner side of the second movable opening (312) is slidably provided with a second sliding block (313), the first spring (314) is fixedly arranged between the second sliding block (313) and the inner wall of the second movable opening (312), the inner side of the second sliding block (313) is fixedly provided with a first wheel shaft (315), the outer side of the first wheel shaft (315) is movably provided with a second synchronous wheel (316), the second wheel shaft (317) is fixedly arranged on both sides of each group of second movable openings (312) at one end of the mounting disc (33), the outer side of the second wheel shaft (317) is movably provided with a third synchronous wheel (318), a plurality of groups of third synchronous wheels (318) are sleeved with a synchronous belt (319) outside six groups of first wheel shafts (315) and first synchronous wheels (311). The switching assembly (4) comprises a fixed frame (41) fixed at one end of each group of first sliders (39), one side of the fixed frame (41) is rotatably provided with a U-shaped frame (42), the inner side of the fixed frame (41) and the inner side of the U-shaped frame (42) are both rotatably provided with a transmission disc (43), the inner side of the two groups of transmission discs (43) is movably provided with four groups of connecting rods (44), the outer side of the transmission disc (43) in the fixed frame (41) is fixedly provided with a first gear (45), the upper side of the fixed frame (41) is fixedly provided with a first motor (46), the rotating shaft of the first motor (46) is fixedly provided with a second gear (47), six groups of the U-shaped frames (42) are fixedly provided with universal joints (48), six groups of the U-shaped frames (42) are hexagonal, and the two groups of U-shaped frames (42) at the uppermost of the hexagonal shape are respectively provided with only one universal joint (48), the other four groups of U-shaped frames (42) are all provided with two groups of universal joints (48), the adjacent two groups of universal joints (48) are all fixedly provided with telescopic rods (49), one side of one of the two groups of U-shaped frames (42) at the uppermost is fixedly provided with a second motor (410), the rotating shaft of the second motor (410) is fixedly connected with the fixed frame (41), one end of the transmission disc (43) on the U-shaped frame (42) is fixedly provided with a grinding wheel (411), the inner side of the grinding wheel (411) is provided with four groups of movable cavities (412), the inner side of the movable cavity (412) is movably provided with a grinding strip (413), the second spring (414) is fixedly arranged between the grinding strip (413) and the inner wall of the movable cavity (412).

2. A metal casting finishing apparatus according to claim 1, wherein: The rotating assembly (5) comprises two groups of fixed plates (51) fixedly arranged on the other side of the upper end of the mounting plate (2), two groups of the fixed plates (51) are movably provided with two groups of rollers (52), the upper end of the mounting plate (2) is fixedly provided with a third motor (53) at the position of the fixed plate (51), the third motor (53) and the rotating shaft of one group of the rollers (52) are both fixedly provided with a third gear (54), the upper side of the two groups of fixed plates (51) is provided with a lock frame (55), the inner side of the lock frame (55) is movably provided with a pressing wheel (56), two groups of spring buckles (57) are arranged between the two sides of the lock frame (55) and the two groups of fixed plates (51), one end of one group of the fixed plates (51) is fixedly provided with a monitoring rod (58), the monitoring rod (58) is fixedly provided with a visual sensor (59).

3. A metal casting finishing apparatus as defined in claim 2 wherein: The driving frame (34) is provided with an arc-shaped frame at the position corresponding to each group of transmission rods (310), and the second fixed shaft (36) is arranged on one arc-shaped frame of the driving frame (34).

4. A metal casting finishing apparatus as defined in claim 2 wherein: One side of the transmission rod (310) is inserted into the corresponding arc-shaped frame, and the second slider (313) is pushed to the position on one side of the second movable opening (312) under the spring action of the first spring (314).

5. A metal casting finishing apparatus as defined in claim 2 wherein: The transmission disc (43) in the fixed frame (41) is fixedly connected with the transmission rod (310), four groups of connecting rods (44) in the two groups of transmission discs (43) are rotatably connected with each other, and the first gear (45) and the second gear (47) are meshingly arranged.

6. A metal casting finishing apparatus as defined in claim 2 wherein: The universal joint (48) is arranged on the central axis of the U-shaped frame (42) rotating along the fixed frame (41), the telescopic rod (49) is composed of an extension rod and a sleeve rod, and the extension rod and the sleeve rod are arranged between two adjacent groups of universal joints (48), and four groups of polishing strips (413) are unfolded under the action of centrifugal force when the polishing wheel (411) rotates.

7. A metal casting finishing apparatus as defined in claim 2 wherein: The third gear (54) is meshingly arranged, the pressing wheel (56) is pressed on the inner ring of the flange plate (6), the spring buckle (57) is positioned between the two groups of rollers (52) and the pressing wheel (56), and the visual sensor (59) visually monitors the bolt hole position of the flange plate (6).

8. A method of using a finishing device for operating a metal casting finishing device according to any one of claims 2-7, characterized in that The steps include: S1: Place the flange plate (6) on the two groups of rollers (52), then clamp and lock the flange plate (6) in the lock frame (55) and the two groups of spring buckles (57), and then drive the rollers (52) to rotate by the third motor (53), so as to drive the flange plate (6) to rotate; S2: The switching assembly (4) is pushed to the flange plate (6) for polishing by the hydraulic cylinder (32), and the driving frame (34) is driven to rotate by the air cylinder (37), so that the six groups of first synchronous wheels (311) are synchronously expanded or approached; S3: Six groups of polishing wheels (411) are synchronously rotated by using the first motor (46), and the second motor (410) is rotated by 90 degrees, so that the six groups of polishing wheels (411) are synchronously rotated outward or inward, and the six groups of polishing wheels (411) are in a plane state, which can be used in cooperation with the driving assembly (3) to polish the surfaces of the two ends of the flange plate (6).

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