Cast water pump surface treatment device

Abstract

The invention relates to the technical field of casting surface treatment, in particular to a casting water pump surface treatment device which comprises a rack and a pump shell, and the top of the rack is provided with a conveying part used for conveying the pump shell in a stepping mode and a grinding part used for grinding the outer side of the pump shell. The position changing part is arranged at the top of the rack and located between the conveying part and the grinding part, the grinding part comprises a rail frame and a sliding assembly installed on the rail frame in a sliding mode, a grinding assembly is installed at one end of the sliding assembly, and the sliding assembly is used for driving the grinding assembly to grind the outer side of the pump shell along a preset track of the rail frame; according to the grinding device, the grinding belt in continuous transmission is attached to the to-be-ground face on the pump shell for grinding machining, the grinding assembly is guided to move through the rail frame, the single-time grinding area and the overall grinding efficiency can be effectively improved, and the situation that local grinding is not in place in the transfer cambered surface area on the pump shell can be avoided.

Description

Technical Field

[0001] The present invention relates to the technical field of casting surface treatment, and specifically to a surface treatment device for a casting water pump. Background Art

[0002] Casting is to pour liquid metal into a casting cavity adapted to the shape of the part. After it cools and solidifies, a metal part blank with a certain shape, size and performance is obtained. The housing of the water pump is usually a cast housing. The cast housing has high strength, simple preparation operation and low production cost. However, due to the relatively rough surface of the casting, after the casting is formed, its surface needs to be ground.

[0003] The prior art discloses a Chinese patent with the publication number CN 118595950A: a surface grinding processing device for a water pump housing, and discloses a rotating inner table, a grinding control bracket and an angle control console. By adopting a rotation method controlled by a motor, the grinding position can be adjusted. At the same time, the rotation control gear can be controlled by rotating the knob to adjust the state of the grinding bracket.

[0004] However, the above prior art still has certain defects. That is, during use, the rotation of the rotating inner table and the adjustment of the grinding angle both require manual assistance, which affects the grinding processing efficiency. At the same time, the single grinding surface of the grinding sand belt is small, and when grinding the transition arc surface area on the pump housing, it is easy to miss grinding. Summary of the Invention

[0005] The purpose of the present invention is to provide a surface treatment device for a casting water pump to solve the problems raised in the above background art.

[0006] The purpose of the present invention can be achieved through the following technical solutions:

[0007] A surface treatment device for a casting water pump includes a frame and a pump housing. A conveying part for stepwise conveying the pump housing and a grinding part for grinding the outer side of the pump housing are provided at the top of the frame. A switching part is also provided at the top of the frame between the conveying part and the grinding part. The switching part is used to switch the pump housing between the conveying station and the grinding station;

[0008] The grinding part includes a track frame and a sliding component slidably installed on the track frame. One end of the sliding component is equipped with a grinding component. The sliding component is used to drive the grinding component to grind the outer side of the pump housing along a preset track of the track frame.

[0009] In a preferred embodiment, the track frame includes two vertical plates fixed to the top of the frame and a plurality of columns located between the two vertical plates. Two track plates are fixedly connected between the two vertical plates, and the lower track plate is fixedly connected to the upper end surfaces of the columns. A plurality of first U-shaped rods are fixedly connected between the outer sides of the two track plates. A threaded flexible shaft driven by a motor to rotate is rotatably installed between the two vertical plates, and the threaded flexible shaft is installed at a position between the opposite sides of the two track plates.

[0010] In a preferred embodiment, the sliding assembly includes a sliding seat threadedly sleeved on the outer side of the threaded flexible shaft. Curved blocks and sliding columns are fixedly provided on the end face and bottom face of the sliding seat respectively. The sliding assembly further includes arc grooves and strip grooves opened on the opposite sides of the two track plates opposite to the curved blocks and sliding columns at the corresponding positions. The curved blocks and the sliding columns are respectively slidably connected inside the corresponding arc grooves and strip grooves.

[0011] In a preferred embodiment, one end of the sliding seat is provided with a bow-shaped plate. A first cylinder is fixedly installed inside the middle of the bow-shaped plate, and the end of the output shaft of the first cylinder is fixedly connected to the sliding seat. Frame plates are fixedly provided in the middle of both sides of the bow-shaped plate. L-shaped square columns are fixedly provided on both sides of the sliding seat, and one end of the L-shaped square column movably penetrates inside the corresponding frame plate.

[0012] A vertically penetrating rotating shaft is rotatably installed in the middle of the bow-shaped plate through a bearing. Swing plates are fixedly connected to both ends of the rotating shaft extending to the outside of the bow-shaped plate. Gears two are fixedly sleeved on the outside of the rotating shaft at the inner sides of both ends of the bow-shaped plate. A double-shaft motor is fixedly installed outside the middle of the bow-shaped plate, and gears one meshing with the corresponding gears two are fixedly sleeved on the ends of the two output shafts of the double-shaft motor.

[0013] In a preferred embodiment, the grinding assembly includes a mounting frame fixed between the end faces of the two swing plates. Two groups of U-shaped guide columns are fixedly provided in the middle of the outside of the mounting frame, with two in each group. Swing arms movably sleeved on the outside of the U-shaped guide columns and retaining rings fixedly sleeved on the outside of the U-shaped guide columns are provided on each of the two U-shaped guide columns in each group. An arc-shaped spring fixedly connecting the corresponding swing arm and the retaining ring is sleeved on the outside of each U-shaped guide column.

[0014] Cylinders two are fixedly installed at the corresponding positions of both ends of the mounting frame corresponding to the swing arms. Circular plates movably lapped on the outside of the corresponding swing arms are fixedly connected to the telescopic ends of the cylinders two. A support seat is fixedly provided on the top of the frame, and a first clamping post is fixedly provided on the top of the support seat.

[0015] In a preferred embodiment, the grinding assembly further includes two groups of ear plates fixedly provided in the middle of the outside of the mounting frame, with two in each group. A rotating roller is rotatably installed between the two swing arms arranged oppositely through a bearing. A grinding belt is wound around the four rotating rollers, and the rotating roller close to the U-shaped guide column is rotatably installed in a penetrating manner between the corresponding two ear plates.

[0016] In a preferred embodiment, a second U-shaped rod is fixedly connected to the middle of the outer side of the mounting frame. Tooth discs are rotatably mounted at both outer ends of the second U-shaped rod through bearings. A U-shaped frame is fixedly connected between the outer sides of the two tooth discs. Through grooves corresponding to the tooth discs are formed through the outer side of the mounting frame. Gears three driven by motors to rotate are rotatably mounted in the two through grooves respectively, and the gears three are meshed with the corresponding tooth discs;

[0017] A third cylinder is fixedly installed in the middle of the outer side of the U-shaped frame. A fixed frame is fixedly provided at the end of the telescopic end of the third cylinder. The fixed frame consists of a substrate fixedly connected to the telescopic end of the third cylinder and a U-shaped support pillar fixedly installed on the outer side of the substrate. A spherical ball is rotatably connected to the middle of the outer side of the U-shaped support pillar through a bearing.

[0018] In a preferred embodiment, the conveying part includes two brackets fixedly arranged on the top of the frame. A conveyor belt driven by a stepping motor to convey is installed between the two brackets. A plurality of card position frames are fixedly arranged on the outer side of the conveyor belt at equal intervals. The card position frame consists of two parallel side plates. The heights of the two side plates are unequal, and an inner groove is formed in the middle of the top of the higher side plate.

[0019] In a preferred embodiment, the transposition part includes a vertical rod fixed on the top of the frame. A bracket and two limiting rings are fixedly sleeved on the outer side of the vertical rod. A horizontal plate is rotatably mounted on the outer side of the vertical rod between the two limiting rings through a bearing. The lower end surface of the horizontal plate is attached to the upper end surface of the bracket. A plurality of tooth blocks are fixedly arranged on the bottom of the horizontal plate in a uniformly distributed circular shape. A first servo motor is fixedly installed inside the bracket. A bevel gear meshed with the tooth blocks is fixedly connected to the end of the output shaft of the first servo motor.

[0020] In a preferred embodiment, the transposition part further includes fourth cylinders fixedly installed at both ends of the horizontal plate. A lifting frame is fixedly connected to the end of the telescopic end of each fourth cylinder. The lifting frame consists of two square plates and four cylinders fixedly connecting the two square plates;

[0021] A second servo motor is fixedly installed at the bottom of the upper square plate. A fourth gear is fixedly connected to the end of the output shaft of the second servo motor. Four L-shaped rods are rotatably installed through the lower square plate in a penetrating manner through bearings. A fifth gear meshed with the fourth gear is fixedly provided on the outer side of the top of each L-shaped rod. A fifth cylinder is fixedly installed at the bottom of the lower square plate. A disc is fixedly connected to the end of the telescopic end of the fifth cylinder. A second clamping column is fixedly provided at the bottom of the disc.

[0022] The beneficial effects of the present invention:

[0023] 1. By using a continuously driven grinding belt to fit and grind the surface to be ground on the pump housing, and guiding the grinding assembly to move through the track frame, the present invention can effectively increase the single grinding area and the overall grinding efficiency;

[0024] 2. The present invention provides a deflectable telescopic ball and a deflectable structure for the grinding assembly, which can ensure that the grinding belt in the transmission is always in contact with the transfer arc surface area on the pump housing, so that the grinding belt can always fit the arc surface area for grinding, avoiding the situation of inadequate grinding;

[0025] 3. The present invention provides clamping and lifting parts at both ends of the swingable horizontal plate, so that the pump casing to be polished that is lifted in the subsequent sequence can be switched to the top of the polishing station without interruption, and the pump casing that has been polished will be switched to the top of the vacant station to be clamped on the conveyor belt, and both are lowered to the corresponding station for the next step, thereby realizing continuous grinding processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, for those skilled in the art, other drawings can be obtained based on these drawings without creative work.

[0027] Figure 1 It is a schematic diagram of the overall application scenario structure of the present invention;

[0028] Figure 2 It is a schematic diagram of the overall structure of the present invention;

[0029] Figure 3 It is a schematic diagram of the structure of the grinding part of the present invention;

[0030] Figure 4 It is a schematic diagram of the structure of the sliding assembly of the grinding part of the present invention;

[0031] Figure 5 The present invention Figure 3 Schematic diagram of the cross-section structure in ;

[0032] Figure 6 It is a schematic diagram of the structure of the grinding assembly of the grinding part of the present invention;

[0033] Figure 7 The present invention Figure 6 A schematic diagram of the structure enlargement of part A;

[0034] Figure 8 This is a schematic diagram of the first viewing angle structure of the transposition part of the present invention;

[0035] Figure 9 This is a schematic diagram of the structure of the transposition part of the present invention from a second viewing angle;

[0036] Figure 10 It is a schematic diagram of the pump casing structure of the present invention.

[0037] The reference numerals in the figures are as follows: 1, frame; 2, conveying part; 21, bracket; 22, conveyor belt; 23, clamping frame; 3, grinding part; 31, vertical plate; 32, track plate; 33, U-shaped rod I; 34, column; 35, threaded flexible shaft; 36, sliding seat; 37, supporting seat; 38, clamping column I; 39, curved surface block; 310, sliding column; 311, arc groove; 312, strip groove; 313, L-shaped square column; 314, bow-shaped plate; 315, frame plate; 316, cylinder I; 317, double-shaft motor; 318, gear I; 319, rotating shaft; 320, gear II; 321, swing plate; 322, mounting frame; 323, ear plate; 324, rotating roller; 325, swing arm; 326, U-shaped guide post; 327, arc spring; 328, cylinder II; 329, circular plate; 330, grinding belt; 331, U-shaped rod II; 332, toothed disc; 333, U-shaped frame; 334, through groove; 335, gear III; 336, cylinder III; 337, fixed frame; 338, spherical ball; 4, position-changing part; 41, vertical rod; 42, limiting ring; 43, horizontal plate; 44, bracket; 45, bevel gear; 46, toothed block; 47, cylinder IV; 48, lifting frame; 49, gear IV; 410, L-shaped rod; 411, gear V; 412, cylinder V; 413, disc; 414, clamping column II; 5, pump housing. Specific embodiments

[0038] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0039] The surface treatment device of the present invention is a kind of intelligent manufacturing equipment industry and belongs to a part of grinding processing equipment. It is mainly used for grinding the rotating surface on the cast pump housing of a water pump and is widely used in the metal processing industry.

[0040] Embodiment 1

[0041] Referring to the attached drawings of the specification Figure 1 - Figure 2 and Figure 10 The present invention provides a surface treatment device for a cast water pump, including a frame 1 and a pump housing 5. A conveying part 2 for stepwise conveying the pump housing 5 and a grinding part 3 for grinding the outer side of the pump housing 5 are provided at the top of the frame 1. A position-changing part 4 is also provided at the top of the frame 1 between the conveying part 2 and the grinding part 3. The position-changing part 4 is used to switch the pump housing 5 between the conveying station and the grinding station;

[0042] The grinding part 3 includes a track frame and a sliding component slidably mounted on the track frame. One end of the sliding component is equipped with a grinding component, and the sliding component is used to drive the grinding component to perform grinding on the outer side of the pump shell 5 along a preset track of the track frame.

[0043] It should be noted that in the present invention, by using the transposition part 4 to switch the pump shell 5 between the conveying station and the grinding station, and cooperating with the step-by-step conveying of the conveying part 2 and the grinding along the established track of the grinding part 3, continuous grinding of the outer surface of the pump shell 5 is achieved.

[0044] Specifically, as Figure 3 - Figure 5 shown, the track frame includes two vertical plates 31 fixed to the top of the frame 1 and a plurality of columns 34 located between the two vertical plates 31. Two track plates 32 are fixedly connected between the two vertical plates 31, and the lower track plate 32 is fixedly connected to the upper end surface of the column 34. A plurality of U-shaped rods 33 are fixedly connected between the outer sides of the two track plates 32 to form a stable track frame. A threaded flexible shaft 35 driven by a motor to rotate is rotatably installed between the two vertical plates 31, and the threaded flexible shaft 35 is installed at a position between the opposite sides of the two track plates 32;

[0045] The sliding component includes a sliding seat 36 threadedly sleeved on the outer side of the threaded flexible shaft 35. Curved surface blocks 39 and sliding columns 310 are fixedly provided on the end surface and the bottom surface of the sliding seat 36 respectively. Among them, the setting of the curved surface block 39 can ensure a smooth transition of the sliding seat 36 at the inflection point of the track frame, while the setting of the sliding column 310 can improve the stability of the sliding seat 36 moving inside the track frame, avoiding tilting caused by unequal weights at both ends of the sliding seat 36, and thus affecting the movement of the sliding seat 36. The sliding component further includes arc grooves 311 and strip grooves 312 opened on the opposite sides of the two track plates 32 and facing the corresponding curved surface blocks 39 and sliding columns 310. The curved surface blocks 39 and the sliding columns 310 are respectively slidably connected inside the corresponding arc grooves 311 and strip grooves 312.

[0046] It should be noted that during the process of grinding the pump shell 5 located at the grinding station by using the grinding component, the motor is used to drive the threaded flexible shaft 35 to rotate, so that the sliding seat 36 moves along the established track on the track frame, thereby driving the grinding component to perform grinding on the area to be processed on the outer side of the pump shell 5.

[0047] Specifically, as Figure 4 shown, one end of the sliding seat 36 is provided with a bow-shaped plate 314. A cylinder 316 is fixedly installed inside the middle of the bow-shaped plate 314. The end of the output shaft of the cylinder 316 is fixedly connected to the sliding seat 36. Frame plates 315 are fixedly provided in the middle of both sides of the bow-shaped plate 314. L-shaped square columns 313 are fixedly provided on both sides of the sliding seat 36. One end of the L-shaped square column 313 movably passes through the corresponding frame plate 315;

[0048] A shaft 319 vertically penetrating is rotatably installed in the middle of the bow-shaped plate 314 through a bearing. Swing plates 321 are fixedly connected to both ends of the shaft 319 extending to the outside of the bow-shaped plate 314. On the outside of the middle of the bow-shaped plate 314, a double-shaft motor 317 is fixedly installed. At the ends of the two output shafts of the double-shaft motor 317, gears 318 meshing with the corresponding gears 320 are fixedly sleeved. Among them, the rotation directions and speeds of the two output shafts of the double-shaft motor 317 are the same.

[0049] It should be noted that during the grinding of the pump housing 5 located at the grinding station by the grinding assembly, first, the shaft 319 is driven to rotate to make the grinding assembly return to the initial grinding position with the slide 36. After the pump housing 5 to be ground is placed on the grinding station, the air cylinder 316 is controlled to push the bow-shaped plate 314 to move away from the slide 36, so that the grinding piece on the grinding assembly fits the area to be ground on the surface of the pump housing 5. During this process, the L-shaped square column 313 always remains in the state of not detaching from the inside of the corresponding frame plate 315. The plugging state of the L-shaped square column 313 and the corresponding frame plate 315 can be used to reduce the direct pressure of the bow-shaped plate 314 connecting the grinding assembly on the telescopic end of the air cylinder 316 and improve the service life of the air cylinder 316;

[0050] When the grinding assembly moves to the transition arc surface area of the pump housing 5 (that is, Figure 10 the area where the intersection surface between the straight pipe section shown and the impeller installation part is located), since this arc surface area deviates from the preset track on the track frame, it is necessary to control the double-shaft motor 317 to drive the gear 318 to rotate, thereby driving the corresponding gear 320 to rotate, and driving the two swing plates 321 to deflect synchronously, so as to adjust the position of the grinding assembly to ensure that the grinding piece can fit this arc surface area for grinding and avoid the situation of incomplete grinding.

[0051] Specifically, as Figure 5 - Figure 6 shown, the grinding assembly includes a mounting frame 322 fixed between the end faces of the two swing plates 321. In the middle of the outside of the mounting frame 322, two groups of U-shaped guide columns 326 are fixedly provided, two in each group. On each of the two U-shaped guide columns 326 in each group, a swing arm 325 movably sleeved on the outside of the U-shaped guide column 326 and a retaining ring fixedly sleeved on the outside of the U-shaped guide column 326 are provided. Among them, the swing arm 325 is movably sleeved on the arc section area of the corresponding U-shaped guide column 326, and an arc-shaped spring 327 fixedly connecting the corresponding swing arm 325 and the retaining ring is sleeved on the outside of each U-shaped guide column 326;

[0052] At both ends of the mounting bracket 322 corresponding to the positions of the swing arms 325, air cylinders two 328 are fixedly installed. At the ends of the telescopic ends of the air cylinders two 328, circular plates 329 that are movably lapped on the outer sides of the corresponding swing arms 325 are fixedly connected. Among them, in the initial state, under the action of the circular plates 329 and the arc springs 327 at the corresponding positions, the swing arms 325 maintain the state as Figure 5 shown, and in this state, the arc springs 327 are in a compressed state. A support 37 is fixedly provided at the top of the frame 1, and a first clamping post 38 is fixedly provided at the top of the support 37;

[0053] The grinding assembly further includes two groups of ear plates 323 fixedly provided in the middle of the outer side of the mounting bracket 322, with two in each group. A roller 324 is rotatably installed between two swing arms 325 arranged oppositely through bearings. A grinding belt 330 is wound around the four rollers 324. The roller 324 close to the U-shaped guide post 326 is rotatably installed in a penetrating manner between the corresponding two ear plates 323. Among them, during the rotation of the roller 324, there is no relative translational movement between it and the corresponding two ear plates 323, ensuring that the grinding belt 330 in the transmission stably grinds the surface to be processed of the pump housing 5;

[0054] Furthermore, at the positions corresponding to the two groups of ear plates 323 on one side of the mounting bracket 322, mounting plates are also fixedly provided. On the outer sides of the two mounting plates, drive motors for driving the corresponding rollers 324 to rotate are fixedly installed to drive the grinding belt 330 to transmit.

[0055] It should be noted that during the process of grinding the pump housing 5 located at the grinding station by using the grinding assembly, when controlling the air cylinder one 316 to push the bow-shaped plate 314 to move away from the sliding seat 36, after the grinding belt 330 on the grinding assembly fits the area to be polished on the surface of the pump housing 5, by controlling the air cylinder two 328 to push the corresponding circular plate 329 towards the direction of the swing arm 325 at the location, the two groups of swing arms 325 swing towards each other, so that the grinding belt 330 fits the area to be polished on the surface of the pump housing 5 (i.e., the rotating surface on the surface of the pump housing 5). Then, start the drive motor to drive the roller 324 to rotate, make the grinding belt 330 continuously transmit, and cooperate with the threaded soft shaft 35 to drive the continuously transmitted grinding belt 330 to continuously grind the area to be polished on the surface of the pump housing 5;

[0056] Among them, during the process of controlling the two groups of swing arms 325 to swing towards each other, when the telescopic end of the second cylinder 328 extends, it will push the circular plate 329 to squeeze the corresponding swing arm 325, causing the swing arm 325 to swing along the arc section of the corresponding U-shaped guide post 326 and compress the corresponding arc-shaped spring 327. As a result, both ends of the grinding belt 330 in the initial vertical part will gradually change to a V-shaped state under the restriction of the state where the middle part of the grinding belt 330 fits the surface of the pump housing 5, until the grinding belt 330 covers the area to be ground on the surface of the pump housing 5.

[0057] Specifically, as Figure 6 - Figure 7 shown, a second U-shaped rod 331 is fixedly connected to the middle part on the outer side of the mounting frame 322. Both ends on the outer side of the second U-shaped rod 331 are rotatably installed with toothed discs 332 through bearings. A U-shaped frame 333 is fixedly connected between the outer sides of the two toothed discs 332. Through grooves 334 corresponding to the toothed discs 332 are penetrated and opened on the outer side of the mounting frame 322. In the two through grooves 334, third gears 335 driven by motors to rotate are rotatably installed. The third gears 335 are meshed with the corresponding toothed discs 332;

[0058] A third cylinder 336 is fixedly installed in the middle part on the outer side of the U-shaped frame 333. A fixed frame 337 is provided at the end of the telescopic end of the third cylinder 336. The fixed frame 337 is composed of a substrate fixedly connected to the telescopic end of the third cylinder 336 and a U-shaped support pillar fixedly installed on the outer side of the substrate. The middle part on the outer side of the U-shaped support pillar is rotatably connected to a spherical ball 338 through a bearing. Among them, the rotational installation of the spherical ball 338 can ensure that the spherical ball 338 after fitting the grinding belt 330 will not affect the transmission process of the grinding belt 330. Moreover, during the process of driving the corresponding spherical ball 338 to move in contact with the grinding belt 330, the third gears 335 and the corresponding toothed discs 332 always remain in a meshed state.

[0059] It should be noted that during the process of grinding the pump housing 5 located at the grinding station by using the grinding assembly, when the grinding assembly moves to the transition arc surface area on the pump housing 5, the third cylinder 336 can be used to push the spherical ball 338 closer to the part of the grinding belt 330 that fits the surface of the pump housing 5, and gradually lift the grinding belt 330 in the grinding area, so that the driving grinding belt 330 can better contact the transition arc surface area on the pump housing 5. And during this process (that is, the driving grinding belt 330 is in contact with the transition arc surface area on the pump housing 5), the corresponding motor is also used to drive the third gear 335 to rotate, and drive the corresponding toothed disc 332 to rotate, causing the spherical ball 338 to swing up and down in the transition arc surface area on the pump housing 5. During this period, the third cylinder 336 will still continuously drive the corresponding spherical ball 338 to move in contact with the grinding belt 330, ensuring that the driving grinding belt 330 is always in contact with the transition arc surface area on the pump housing 5, thereby improving the grinding quality of the transition arc surface area on the pump housing 5.

[0060] Example 2

[0061] Referring to the appended drawings of the specification Figure 1 - Figure 2 , the present invention also provides a surface treatment device for a casting water pump. The conveying part 2 includes two brackets 21 fixedly arranged on the top of the frame 1. A conveyor belt 22 driven by a stepping motor for conveying is installed between the two brackets 21. Among them, in order to improve the load-bearing performance of the conveyor belt 22, a bearing plate for supporting the conveyor belt 22 can be fixedly arranged between the opposite sides of the two brackets 21, and the conveyor belt during conveyance is made to move while fitting the upper end face and the lower end face of the bearing plate. A plurality of equally spaced clamping frames 23 are fixedly arranged on the outer side of the conveyor belt 22. The clamping frame 23 is composed of two parallel side plates. The heights of the two side plates are not equal, and an inner groove is opened in the middle of the top of the higher side plate.

[0062] It should be noted that during the intermittent conveyance of the pump housing 5 by using the conveying part 2, the pump housing 5 to be ground is placed on the conveyor belt 22, and the end of the straight pipe section on the pump housing 5 is stuck between the two side plates. At the same time, the inner groove opened in the middle of the top of the higher side plate is used to support the straight pipe section on the pump housing 5, so as to ensure that the pump housing 5 to be processed placed on the conveyor belt 22 is kept consistent.

[0063] Example 3

[0064] Referring to the appended drawings of the specification Figure 1 and Figure 8 - Figure 9 , the present invention also provides a surface treatment device for a casting water pump. The transposition part 4 includes a vertical rod 41 fixed on the top of the frame 1. A bracket 44 and two limiting rings 42 are fixedly sleeved on the outer side of the vertical rod 41. And a cross plate 43 is rotatably installed on the outer side of the vertical rod 41 between the two limiting rings 42 through a bearing. The lower end face of the cross plate 43 is in contact with the upper end face of the bracket 44. A plurality of annularly and evenly distributed tooth blocks 46 are fixedly arranged at the bottom of the cross plate 43. A servo motor 1 is fixedly installed inside the bracket 44. The end of the output shaft of the servo motor 1 is fixedly connected with a bevel gear 45 meshing with the tooth blocks 46. Among them, the bracket 44 is composed of a U-shaped plate fixedly sleeved on the outer side of the vertical rod 41 and arc plates fixedly connected to both sides of the top of the U-shaped plate, which can ensure that the rotating cross plate 43 can always be supported by the bracket 44;

[0065] The transposition part 4 further includes air cylinders 47 fixedly installed at both ends of the cross plate 43. The end of the telescopic end of each air cylinder 47 is fixedly connected with a lifting frame 48. The lifting frame 48 is composed of two square plates and four cylinders fixedly connecting the two square plates;

[0066] A servo motor two is fixedly installed at the bottom of the square plate at the upper end. The end of the output shaft of the servo motor two is fixedly connected with a gear four 49. Four L-shaped rods 410 are rotatably installed through bearings on the square plate at the lower end. A gear five 411 meshing with the gear four 49 is fixedly arranged on the outer side of the top end of each L-shaped rod 410. And a cylinder five 412 is fixedly installed at the bottom of the square plate at the lower end. The telescopic end of the cylinder five 412 is fixedly connected with a disc 413. A clamping post two 414 is fixedly arranged at the bottom of the disc 413.

[0067] It should be noted that during the process of driving the pump housing 5 to switch between the conveying station and the grinding station, when the pump housing 5 to be ground enters the waiting-for-clamping station under the step-by-step conveying of the conveyor belt 22, the corresponding cylinder four 47 will push the lifting frame 48 downward, so that the horizontal section at the lower end of the L-shaped rod 410 is located at the lower part of the circular hole at the upper end of the pump housing 5 as shown in Figure 10 . Then, the servo motor two is used to drive the gear four 49 to rotate, and drive the four gear fives 411 to rotate synchronously, so that the horizontal section at the lower end of the L-shaped rod 410 is in the state shown in Figure 8 when switching (refer to Figure 8 . It is planned to set the horizontal section at the lower end of the L-shaped rod 410 in the initial state to face outward to ensure that the descending lifting frame 48 will not be blocked by the circular hole part at the upper end of the pump housing 5). At the same time, the cylinder five 412 is used to push the disc 413 downward, so that the clamping post two 414 at the bottom of the disc 413 is completely inserted into the circular hole inside the upper end of the pump housing 5;

[0068] Then, control the cylinder four 47 to drive the lifting frame 48 to rise, and the pump housing 5 can be lifted. Subsequently, control the servo motor one to drive the bevel gear 45 to rotate, so that the cross plate 43 rotates 180°, and the lifted pump housing 5 is switched to directly above the support 37. Then, control the lifting frame 48 to move downward again, so that the pump housing 5 falls on the top of the support 37, and the clamping post one 38 at the top of the support 37 is completely inserted into the circular hole inside the lower end of the pump housing 5. At this time, the disc 413 with the clamping post two 414 and the support 37 with the clamping post one 38 can be used to limit the upper and lower ends of the pump housing 5 at the grinding station, so as to ensure the smooth progress of the grinding process;

[0069] After grinding is completed, lift the pump housing 5 at the grinding station, and then drive the cross plate 43 to rotate 180°, so that the subsequent lifted pump housing 5 to be ground is switched to above the grinding station, while the pump housing 5 that has been ground will be switched to above the waiting-for-clamping station vacated on the conveyor belt 22. Then, lower the pump housing 5 to the corresponding station for the next action. In this way, continuous grinding processing can be realized.

[0070] In the above technical solution, each of the cylinders mentioned uses a single-acting cylinder of model DSA25N200; the double-shaft motor 317 mentioned uses a double-shaft motor of model STP-28D1020; each of the servo motors mentioned uses a servo driver of model JSMA-PUC02D, and other motors, drive motors, etc. recorded are all existing conventional products on the market, and the specific models are not elaborated.

[0071] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed.

Claims

1. A surface treatment device for a casting water pump, comprising a frame (1) and a pump casing (5), characterized in that: The frame (1) is provided with a conveying portion (2) for conveying the pump casing (5) in a step-by-step manner and a grinding portion (3) for grinding the outer side of the pump casing (5) at the top thereof, and also includes a position changing portion (4) provided at the top of the frame (1) between the conveying portion (2) and the grinding portion (3), wherein the position changing portion (4) is used to switch the pump casing (5) between the conveying station and the grinding station; The grinding part (3) comprises a track frame and a sliding assembly slidably mounted on the track frame, a grinding assembly being mounted on one end of the sliding assembly, and the sliding assembly is used to drive the grinding assembly to grind the outer side of the pump casing (5) along a preset track of the track frame.

2. A surface treatment device for a casting water pump according to claim 1, characterized in that: The track frame comprises two vertical plates (31) fixed on the top of the frame (1) and a plurality of vertical columns (34) located between the two vertical plates (31); two track plates (32) are fixedly connected between the two vertical plates (31); the track plate (32) located at the lower end is fixedly connected to the upper end surface of the vertical column (34); a plurality of U-shaped rods (33) are fixedly connected between the outer sides of the two track plates (32); a threaded flexible shaft (35) driven to rotate by a motor is rotatably installed between the two vertical plates (31); the threaded flexible shaft (35) is installed at a position between opposite sides of the two track plates (32).

3. A surface treatment device for a casting water pump according to claim 2, characterized in that: The sliding assembly comprises a sliding seat (36) threadedly sleeved on the outer side of the threaded flexible shaft (35), the end surface and the bottom surface of the sliding seat (36) are fixedly provided with a curved block (39) and a sliding column (310), the sliding assembly also comprises an arc groove (311) and a strip groove (312) which are opened on the opposite sides of the two track plates (32) and are directly opposite to the curved block (39) and the sliding column (310), the curved block (39) and the sliding column (310) are respectively slidably connected to the corresponding arc groove (311) and the strip groove (312).

4. A surface treatment device for a casting water pump according to claim 3, characterized in that: An arch plate (314) is provided at one end of the slide seat (36), a cylinder 1 (316) is fixedly installed on the inner side of the middle of the arch plate (314), the output shaft end of the cylinder 1 (316) is fixedly connected to the slide seat (36), frame plates (315) are fixedly provided at the middle of both sides of the arch plate (314), L-shaped square columns (313) are fixedly provided on both sides of the slide seat (36), and one end of the L-shaped square column (313) is movably inserted into the corresponding frame plate (315); A rotating shaft (319) vertically penetrating the middle of the arch plate (314) is rotatably mounted via a bearing, and both ends of the rotating shaft (319) are fixedly connected to positions extending to the outside of the arch plate (314) with swing plates (321), and positions on the outside of the rotating shaft (319) located inside the two ends of the arch plate (314) are fixedly sleeved with gear 2 (320), and a dual-axis motor (317) is fixedly mounted on the outside of the middle of the arch plate (314), and both output shaft ends of the dual-axis motor (317) are fixedly sleeved with gear 1 (318) meshing with the corresponding gear 2 (320).

5. A surface treatment device for a casting water pump according to claim 4, characterized in that: The polishing assembly comprises a mounting frame (322) fixedly arranged between the end surfaces of the two swing plates (321), two groups of U-shaped guide pillars (326) are fixedly arranged at the middle part of the outer side of the mounting frame (322), each group of two, each group of two U-shaped guide pillars (326) is provided with a swing arm (325) movably sleeved on the outer side of the U-shaped guide pillar (326) and a retaining ring fixedly sleeved on the outer side of the U-shaped guide pillar (326), and each U-shaped guide pillar (326) is sleeved on the outer side of the arc spring (327) fixedly connecting the corresponding swing arm (325) and the retaining ring; Cylinder 2 (328) is fixedly installed at the positions of the two ends of the mounting frame (322) corresponding to the swing arm (325), and the telescopic end of the cylinder 2 (328) is fixedly connected to a circular plate (329) movably overlapped on the outer side of the corresponding swing arm (325). A bracket (37) is fixedly provided on the top of the frame (1), and a clamping column 1 (38) is fixedly provided on the top of the bracket (37).

6. A surface treatment device for a casting water pump according to claim 5, characterized in that: The grinding assembly also includes two groups of ear plates (323) fixedly arranged at the middle part of the outer side of the mounting frame (322), with two in each group. A roller (324) is rotatably mounted between two swing arms (325) arranged opposite to each other via a bearing. A grinding belt (330) is wound around the four rollers (324). The roller (324) close to the U-shaped guide column (326) is rotatably mounted between the corresponding two ear plates (323) in a through-type manner.

7. A surface treatment device for a casting water pump according to claim 5, characterized in that: A U-shaped rod 2 (331) is fixedly connected to the middle of the outer side of the mounting frame (322), and toothed discs (332) are rotatably mounted on both ends of the outer side of the U-shaped rod 2 (331) via bearings, and a U-shaped frame (333) is fixedly connected between the outer sides of the two toothed discs (332), and a through slot (334) corresponding to the toothed disc (332) is formed through the outer side of the mounting frame (322), and a gear 3 (335) driven to rotate by a motor is rotatably mounted inside the two through slots (334), and the gear 3 (335) is meshed with the corresponding toothed disc (332); A cylinder three (336) is fixedly installed in the middle of the outer side of the U-shaped frame (333), and a fixed frame (337) is fixedly installed at the telescopic end of the cylinder three (336). The fixed frame (337) is composed of a base plate fixedly connected to the telescopic end of the cylinder three (336) and a U-shaped pillar fixedly installed on the outer side of the base plate. A ball (338) is rotatably connected to the middle of the outer side of the U-shaped pillar through a bearing.

8. The surface treatment device for a casting water pump according to claim 1, characterized in that: The conveying part (2) comprises two brackets (21) fixedly arranged on the top of the frame (1); a conveyor belt (22) driven by a stepper motor for transmission is installed between the two brackets (21); a plurality of equally spaced positioning brackets (23) are fixedly arranged outside the conveyor belt (22); the positioning brackets (23) are composed of two parallel side plates, the two side plates are of different heights, and an inner groove is provided in the middle of the top of the taller side plate.

9. The surface treatment device for a casting water pump according to claim 1, characterized in that: The transposition part (4) comprises a vertical rod (41) fixed on the top of the frame (1); a bracket (44) and two limiting rings (42) are fixedly sleeved on the outside of the vertical rod (41); a horizontal plate (43) is rotatably mounted on the outside of the vertical rod (41) at a position between the two limiting rings (42) via a bearing; the lower end surface of the horizontal plate (43) is in contact with the upper end surface of the bracket (44); a plurality of tooth blocks (46) evenly distributed in an annular shape are fixedly mounted on the bottom of the horizontal plate (43); a servo motor (1) is fixedly mounted on the inside of the bracket (44); and a bevel gear (45) meshing with the tooth block (46) is fixedly connected to the end of the output shaft of the servo motor (1).

10. A surface treatment device for a casting water pump according to claim 9, characterized in that: The transposition part (4) also includes four cylinders (47) fixedly mounted on both ends of the horizontal plate (43), and the telescopic end of each cylinder (47) is fixedly connected to a lifting frame (48), and the lifting frame (48) is composed of two square plates and four columns fixedly connected to the two square plates; A servo motor 2 is fixedly installed at the bottom of the square plate at the upper end, and a gear 4 (49) is fixedly connected to the end of the output shaft of the servo motor 2. Four L-shaped rods (410) are rotatably installed through bearings on the square plate at the lower end, and a gear 5 (411) meshing with the gear 4 (49) is fixedly installed on the outer side of the top end of each L-shaped rod (410). A cylinder 5 (412) is fixedly installed at the bottom of the square plate at the lower end, and a disc (413) is fixedly connected to the telescopic end of the cylinder 5 (412), and a clamping column 2 (414) is fixedly provided at the bottom of the disc (413).

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