Pump cover production pretreatment device

Abstract

The application provides a pretreatment device for pump cover production, belongs to the technical field of pump cover production, and is used for solving the problem of low deburring efficiency in the existing pump cover production process. The device comprises two mounting plates and a polishing assembly. The polishing assembly comprises a bottom plate, a mounting block and a placing plate. The bottom plate is fixed on the two mounting plates. Two mounting holes are formed in the mounting block. A moving block is slidably arranged in the mounting hole. A second threaded rod is rotatably arranged in the mounting block. A lifting motor is fixed on the end of the mounting block. The output shaft of the lifting motor is connected with the second threaded rod. First connecting rods and second connecting rods are rotatably arranged on the two sides of the moving block. The end of the first connecting rod is rotatably arranged on the fixed shaft of the bottom plate. The end of the second connecting rod is rotatably arranged on the fixed shaft of the placing plate. A conveying assembly and a limiting assembly are arranged between the two mounting plates. A grinding assembly is arranged on the side of the two mounting plates. A clamping assembly is arranged above the grinding assembly. The application can improve the deburring efficiency of the pump cover.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of pump cover production, and relates to a pretreatment device for pump cover production. BACKGROUND

[0002] Automobile is a very popular device in existing travel tools, and many families have their own car for commuting. The automobile manufacturing process is also constantly improving and developing with the progress of science and technology. Pump cover is a kind of commonly used automobile parts, which is related to the pump cover of steering assist vane pump and is an indispensable part of automobile power steering system.

[0003] The steering pump cover at home and abroad is made of cast iron or steel, and a plurality of through holes for connection are formed on the pump cover. The pump cover needs to be pretreated in the existing pump cover production process. The pretreatment of the pump cover includes deburring, electrophoresis, scaling and other steps. The existing deburring method generally puts the pump cover into a magnetic polishing machine in batches for polishing and removing. The dead angle of the stacked pump cover is difficult to remove. At the same time, the internal through hole of the pump cover is also difficult to deburr. The pump cover needs to be removed and turned over repeatedly for deburring treatment, which is low in efficiency. Therefore, the present application provides a pump cover production pretreatment device which can efficiently deburr. SUMMARY

[0004] The purpose of the present application is to solve the above-mentioned problems existing in the prior art. The present application provides a pump cover production pretreatment device, which solves the technical problem of how to improve the deburring efficiency in the pump cover production process.

[0005] The purpose of the present application can be achieved by the following technical scheme:

[0006] The utility model provides a kind of pretreatment device for pump cover production, including two mounting plates and polishing assembly, the polishing assembly includes bottom plate, mounting block and placement plate, bottom plate is fixed at the end of two mounting plates, and two fixed shafts are fixed on bottom plate and placement plate, rectangular hole and two mounting holes are opened in the inside of mounting block, two moving blocks are slidably arranged in the inside of two mounting holes, second threaded rod is rotatably arranged in the inside of mounting block, two moving blocks are threadedly connected on the second threaded rod in corresponding position respectively, lifting motor is fixed at the end of mounting block, the output shaft of lifting motor is connected second threaded rod by coupling, and second threaded rod is bidirectional threaded rod, first connecting rod and second connecting rod are rotatably arranged on the two sides of moving block, the fixed shaft of bottom plate is rotatably arranged at the end of first connecting rod, and the fixed shaft of placement plate is rotatably arranged at the end of second connecting rod, L-shaped plate is fixed at the end of two mounting plates, third electric push rod is fixed in the inside of L-shaped plate, push plate is fixed at the end of third electric push rod, U-shaped plate is fixed above L-shaped plate and two mounting plates, four polishing brushes are rotatably arranged below U-shaped plate, sprocket pair is arranged between two polishing brushes on the same side, two polishing motors are fixed above U-shaped plate, the output shaft of polishing motor is connected corresponding position polishing brush by coupling, pump cover is arranged above placement plate, rectangular tube is fixed below placement plate, communicating groove is opened in the two sides of rectangular tube, rectangular tube is slidably arranged in rectangular hole, conveying assembly and limiting component are arranged between two mounting plates, grinding assembly is arranged on the side of two mounting plates, clamping assembly is arranged above grinding assembly.

[0007] The working principle of the present application is as follows: adjust the limiting component, place the pump cover on the conveying assembly, the conveying assembly transports the pump cover to the placement plate, the lifting motor drives the second threaded rod to rotate through the output shaft, the second threaded rod drives the two moving blocks to move synchronously in opposite directions, the two moving blocks drive the first connecting rod and the second connecting rod to rotate, the first connecting rod and the second connecting rod cooperate to drive the placement plate to rise, the placement plate drives the pump cover to rise, thereby inserting the polishing brush into the hole of the pump cover, the polishing motor drives the polishing brush to rotate through the output shaft, the sprocket pair makes the two polishing brushes rotate synchronously, the polishing brushes gradually spread apart during rotation, the polishing brushes as a whole are conical, and the hole of the pump cover is polished to remove burrs in the hole. After polishing, the lifting motor drives the second threaded rod to rotate in the opposite direction through the output shaft, the second threaded rod drives the two moving blocks to move synchronously in the opposite direction, the two moving blocks drive the first connecting rod and the second connecting rod to rotate in the opposite direction, the first connecting rod and the second connecting rod cooperate to drive the placement plate to descend, the placement plate drives the pump cover to descend to the appropriate position, the third electric push rod extends to drive the push plate to move, the push plate pushes the pump cover to move to the clamping assembly, the clamping assembly drives the pump cover to move to the inside of the grinding assembly, and the surface of the pump cover is deburred.

[0008] The conveying assembly comprises a conveying motor and two rotating rollers, the rotating rollers are rotatably arranged between the two mounting plates, the two rotating rollers are provided with a conveying belt, the conveying motor is fixed on the side of the mounting plate, and the output shaft of the conveying motor is connected with one of the rotating rollers through a shaft coupling.

[0009] With the above structure, the conveying motor drives one of the rotating rollers to rotate through the output shaft, the rotating roller drives the conveying belt to rotate, and the conveying belt drives the pump cover to move.

[0010] The limiting assembly comprises a first threaded rod, a limiting motor and two limiting rods, the two limiting rods are fixed between the two mounting plates, the first threaded rod is rotatably arranged between the two mounting plates, the first threaded rod is a bidirectional threaded rod, the limiting motor is fixed on one of the mounting plates, the output shaft of the limiting motor is connected with the first threaded rod through a shaft coupling, and the two limiting rods are slidably provided with two limiting plates, and the two limiting plates are threadedly connected to the first threaded rod.

[0011] With the above structure, the limiting motor drives the first threaded rod to rotate through the output shaft, and the first threaded rod drives the two limiting plates to synchronously and reversely move, so that the distance between the two limiting plates is adjusted.

[0012] The grinding assembly comprises a treatment box, the treatment box is located on the side of the two mounting plates, the inside of the treatment box is divided into a discharging bin, a cleaning bin and a polishing bin, the inside of the polishing bin is provided with a magnetic polishing machine, the inside of the polishing bin is filled with grinding magnetic needles and grinding liquid, the inside of the cleaning bin is provided with an ultrasonic cleaner, and the inside of the cleaning bin is filled with cleaning liquid.

[0013] With the above structure, the magnetic polishing machine drives the grinding magnetic needles and the grinding liquid to rotate, so that the deburring treatment is performed on the pump cover, and the ultrasonic cleaner and the cleaning liquid can cooperate to clean the pump cover.

[0014] The clamping assembly comprises an adjusting motor and two vertical plates, the two vertical plates are fixed above the treatment box, adjusting plates are fixed above the two vertical plates, a sliding groove is arranged in the inside of the adjusting plate, a third threaded rod is rotatably arranged in the inside of the sliding groove, the adjusting motor is fixed on the end of the adjusting plate, the output shaft of the adjusting motor is connected with the third threaded rod through a shaft coupling, an adjusting block is threadedly connected to the third threaded rod, a first electric push rod is fixed below the adjusting block, a lifting plate is fixed on the end of the first electric push rod, four fixing cylinders are fixed on the side of the lifting plate, a plurality of symmetrical extrusion holes are formed in the fixing cylinder, a plurality of balls are arranged in the inside of the extrusion hole, a sliding rod is slidably arranged in the inside of the fixing cylinder, a plurality of grooves are formed on the side of the sliding rod, a connecting plate is fixed above the two sliding rods, two fourth electric push rods are fixed above the lifting plate, and the ends of the fourth electric push rods are fixed on the connecting plate.

[0015] With the above structure, the adjusting motor drives the third threaded rod to rotate through the output shaft, the third threaded rod drives the adjusting block to move, the adjusting block drives the first electric push rod, when moving to the appropriate position, the first electric push rod extends to drive the lifting plate to descend, the lifting plate drives the fixed cylinder to insert into the hole of the pump cover, the fourth electric push rod extends to drive the connecting plate to ascend, the connecting plate drives the sliding rod to ascend, the sliding rod ascends to extrude the ball, and the protruding ball supports and limits the upper and lower sides of the pump cover.

[0016] The clamping assembly further comprises a support plate fixed above the treatment box, and two communication holes are formed in the upper portion of the treatment box.

[0017] With the above structure, the support plate can support the pump cover, and the communication holes facilitate the insertion of the fixed cylinder into the hole of the pump cover.

[0018] Compared with the prior art, the pretreatment device for pump cover production has the following advantages:

[0019] Through cooperation of the polishing assembly, the grinding assembly and the clamping assembly, the polishing motor drives the polishing brush to rotate through the output shaft, the chain wheel pair drives the two polishing brushes to rotate synchronously, the polishing brushes gradually spread apart during rotation, and the polishing brushes as a whole are in a conical shape, thereby polishing the hole of the pump cover and removing burrs in the hole; the first electric push rod extends to drive the lifting plate to descend, the lifting plate drives the fixed cylinder to descend, and the fixed cylinder drives the pump cover to descend, so that the pump cover is immersed in the grinding liquid; and the magnetic polishing machine drives the grinding magnet needle and the grinding liquid to rotate, thereby performing deburring treatment on the pump cover, avoiding the problem of dead angle in deburring treatment, reducing the time required for deburring treatment, and improving the deburring efficiency in the pump cover production process. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a front side perspective structure schematic diagram of the present application;

[0021] Figure 2 is a rear side perspective structure schematic diagram of the present application;

[0022] Figure 3 is a front view structure schematic diagram of the present application;

[0023] Figure 4 is a side view structure schematic diagram of the present application;

[0024] Figure 5 is a cross-sectional structure schematic diagram of the present application;

[0025] Figure 6 is a cross-sectional structure schematic diagram of part of the components in the present application;

[0026] Figure 7 is Figure 5 an enlarged structure schematic diagram of position A in the present application;

[0027] Figure 8 is the profile structure diagram of the lifting assembly in the application;

[0028] In the figure: 1, adjusting motor; 2, pump cover; 3, first threaded rod; 4, limiting plate; 5, mounting plate; 6, conveying motor; 7, conveying belt; 8, limiting motor; 9, lifting motor; 10, L-shaped plate; 11, U-shaped plate; 12, processing box; 13, discharge bin; 14, vertical plate; 15, adjusting plate; 16, bottom plate; 17, cleaning bin; 18, polishing bin; 19, first electric push rod; 20, chain wheel pair; 21, polishing motor; 22, mounting block; 23, mounting hole; 24, rectangular tube; 25, first connecting rod; 26, moving block; 27, second threaded rod; 28, third electric push rod; 29, second connecting rod; 30, support plate; 31, communication hole; 32, adjusting block; 33, third threaded rod; 34, lifting plate; 35, placing plate; 36, fourth electric push rod; 37, sliding rod; 38, ball; 39, groove; 40, fixing cylinder; 41, connecting plate; 42, communication groove; 43, rectangular hole; 44, magnetic force polisher; 45, ultrasonic cleaner. DETAILED DESCRIPTION

[0029] The technical solutions of the patent will be further described in detail below in combination with specific embodiments.

[0030] The embodiments of the patent will be described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the patent, and cannot be understood as a limitation on the patent.

[0031] In the description of the patent, it should be understood that the orientations or positional relationships indicated by the terms “center”, “upper”, “lower”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inner”, “outer” and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the patent and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the patent.

[0032] In the description of the patent, it should be noted that unless otherwise explicitly specified and limited, the terms “mounting”, “connecting”, “connecting”, “setting” should be understood broadly, for example, it can be fixedly connected, set, or detachably connected, set, or integrally connected, set. For those skilled in the art, the specific meanings of the above terms in the patent can be understood according to the specific circumstances.

[0033] Please refer toFigures 1-8 The embodiment provides a pretreatment device for pump cover production, which comprises two mounting plates 5 and a polishing assembly, the polishing assembly comprises a bottom plate 16, a mounting block 22 and a placing plate 35, the bottom plate 16 is fixed at the end of the two mounting plates 5, two fixed shafts are fixed on the bottom plate 16 and the placing plate 35, a rectangular hole 43 and two mounting holes 23 are arranged in the mounting block 22, a moving block 26 is slidably arranged in each of the two mounting holes 23, a second threaded rod 27 is rotatably arranged in the mounting block 22, the two moving blocks 26 are threadedly connected to the corresponding second threaded rods 27, a lifting motor 9 is fixed at the end of the mounting block 22, the output shaft of the lifting motor 9 is connected with the second threaded rods 27 through a shaft coupling, the second threaded rods 27 are bidirectional threaded rods, a first connecting rod 25 and a second connecting rod 29 are rotatably arranged at the two sides of the moving block 26, the end of the first connecting rod 25 is rotatably arranged on the fixed shaft of the bottom plate 16, the end of the second connecting rod 29 is rotatably arranged on the fixed shaft of the placing plate 35, an L-shaped plate 10 is fixed at the end of the two mounting plates 5, a third electric push rod 28 is fixed in the L-shaped plate 10, a push plate is fixed at the end of the third electric push rod 28, a U-shaped plate 11 is fixed above the L-shaped plate 10 and the two mounting plates 5, four polishing brushes are rotatably arranged below the U-shaped plate 11, a chain wheel pair 20 is arranged between the two polishing brushes on the same side, two polishing motors 21 are fixed above the U-shaped plate 11, the output shaft of each polishing motor 21 is connected with the corresponding polishing brush through a shaft coupling, a pump cover 2 is arranged above the placing plate 35, a rectangular tube 24 is fixed below the placing plate 35, a communication groove 42 is arranged at the two sides of the rectangular tube 24, the rectangular tube 24 is slidably arranged in the rectangular hole 43, a conveying assembly and a limiting assembly are arranged between the two mounting plates 5, a grinding assembly is arranged on the side of the two mounting plates 5, and a clamping assembly is arranged above the grinding assembly.

[0034] The adjusting limiting assembly is used for placing the pump cover 2 on the conveying assembly, the conveying assembly is used for conveying the pump cover 2 to the placing plate 35, the lifting motor 9 drives the second threaded rod 27 to rotate through the output shaft, the second threaded rod 27 drives the two moving blocks 26 to move reversely and synchronously, the two moving blocks 26 drive the first connecting rod 25 and the second connecting rod 29 to rotate, the first connecting rod 25 and the second connecting rod 29 are matched, the placing plate 35 is driven to ascend, the placing plate 35 drives the pump cover 2 to ascend, so that the polishing brush is inserted into the hole of the pump cover 2, the polishing motor 21 drives the polishing brush to rotate through the output shaft, the sprocket pair 20 drives the two polishing brushes to rotate synchronously, the polishing brushes are gradually separated during the rotation, the polishing brushes are in a whole conical shape, the hole of the pump cover 2 is polished, burrs in the hole are removed, after the polishing is completed, the lifting motor 9 drives the second threaded rod 27 to rotate reversely through the output shaft, the second threaded rod 27 drives the two moving blocks 26 to move reversely and synchronously, the two moving blocks 26 drive the first connecting rod 25 and the second connecting rod 29 to rotate reversely, the first connecting rod 25 and the second connecting rod 29 are matched, the placing plate 35 is driven to descend, the placing plate 35 drives the pump cover 2 to descend to the appropriate position, the third electric push rod 28 is extended to drive the push plate to move, the push plate drives the pump cover 2 to move to the clamping assembly, the clamping assembly drives the pump cover 2 to move to the inside of the grinding assembly, and the surface of the pump cover 2 is deburred.

[0035] The conveying assembly comprises a conveying motor 6 and two rotating rollers, the rotating rollers are rotatably arranged between the two mounting plates 5, the two rotating rollers are provided with a conveying belt 7, the conveying motor 6 is fixed on the side surface of the mounting plate 5, and the output shaft of the conveying motor 6 is connected with one of the rotating rollers through a shaft coupling; the conveying motor 6 drives one of the rotating rollers to rotate through the output shaft, the rotating roller drives the conveying belt 7 to rotate, and the conveying belt 7 drives the pump cover 2 to move.

[0036] The limiting assembly comprises a first threaded rod 3, a limiting motor 8 and two limiting rods, the two limiting rods are fixed between the two mounting plates 5, the first threaded rod 3 is rotatably arranged between the two mounting plates 5, the first threaded rod 3 is a bidirectional threaded rod, the limiting motor 8 is fixed on one of the mounting plates 5, the output shaft of the limiting motor 8 is connected with the first threaded rod 3 through a shaft coupling, and two limiting plates 4 are slidably arranged on the two limiting rods and are threadedly connected with the first threaded rod 3; the limiting motor 8 drives the first threaded rod 3 to rotate through the output shaft, the first threaded rod 3 drives the two limiting plates 4 to move reversely and synchronously, so that the distance between the two limiting plates 4 is adjusted.

[0037] The grinding assembly comprises a processing box 12 located at the side of the two mounting plates 5, the inside of the processing box 12 is divided into a discharging bin 13, a cleaning bin 17 and a polishing bin 18, the inside of the polishing bin 18 is provided with a magnetic force polisher 44, the inside of the polishing bin 18 is filled with grinding magnetic needles and grinding liquid, the inside of the cleaning bin 17 is provided with an ultrasonic cleaner 45, and the inside of the cleaning bin 17 is filled with cleaning liquid; the magnetic force polisher 44 drives the grinding magnetic needles and the grinding liquid to rotate, so that the deburring treatment is performed on the pump cover 2, and the ultrasonic cleaner 45 and the cleaning liquid cooperate to clean the pump cover 2.

[0038] The clamping assembly comprises an adjusting motor 1 and two vertical plates 14, the two vertical plates 14 are both fixed above the processing box 12, adjusting plates 15 are fixed above the two vertical plates 14, the inside of the adjusting plate 15 is provided with a sliding groove, the inside of the sliding groove is rotationally provided with a third threaded rod 33, the adjusting motor 1 is fixed at the end of the adjusting plate 15, the output shaft of the adjusting motor 1 is connected with the third threaded rod 33 through a shaft coupling, the third threaded rod 33 is threadedly connected with an adjusting block 32, the lower side of the adjusting block 32 is fixed with a first electric push rod 19, the end of the first electric push rod 19 is fixed with a lifting plate 34, four fixing cylinders 40 are fixed on the side of the lifting plate 34, a plurality of symmetrical extrusion holes are formed in the fixing cylinder 40, and a plurality of ball bearings 38 are arranged in the extrusion holes, a sliding rod 37 is slidably arranged in the inside of the fixing cylinder 40, a plurality of grooves 39 are formed in the side of the sliding rod 37, a connecting plate 41 is fixed above the two sliding rods 37, and two fourth electric push rods 36 are fixed above the lifting plate 34 and fixed on the connecting plate 41; the adjusting motor 1 drives the third threaded rod 33 to rotate through the output shaft, the third threaded rod 33 drives the adjusting block 32 to move, the adjusting block 32 drives the first electric push rod 19, when the first electric push rod 19 is moved to a proper position, the first electric push rod 19 is stretched to drive the lifting plate 34 to descend, the lifting plate 34 drives the fixing cylinder 40 to be inserted into the hole of the pump cover 2, the fourth electric push rod 36 is stretched to drive the connecting plate 41 to ascend, the connecting plate 41 drives the sliding rod 37 to ascend, the sliding rod 37 is extruded to make the ball bearing 38 protrude to support and limit the upper and lower sides of the pump cover 2.

[0039] The clamping assembly further comprises a supporting plate 30, the supporting plate 30 is fixed above the processing box 12, and two communication holes 31 are formed in the upper side of the processing box 12; the supporting plate 30 can support the pump cover 2, and the communication holes 31 facilitate the insertion of the fixing cylinder 40 into the hole of the pump cover 2.

[0040] The working principle of the present application is as follows:

[0041] The limiting motor 8 drives the first threaded rod 3 to rotate through the output shaft, the first threaded rod 3 drives the two limiting plates 4 to move reversely synchronously, thereby adjusting the distance between the two limiting plates 4, the pump cover 2 is placed on the conveying belt 7, the conveying motor 6 drives one of the rotating rollers to rotate through the output shaft, the rotating roller drives the conveying belt 7 to rotate, the conveying belt 7 drives the pump cover 2 to move, the pump cover 2 is conveyed to the placing plate 35, the lifting motor 9 drives the second threaded rod 27 to rotate through the output shaft, the second threaded rod 27 drives the two moving blocks 26 to move reversely synchronously, the two moving blocks 26 drive the first connecting rod 25 and the second connecting rod 29 to rotate, the first connecting rod 25 and the second connecting rod 29 cooperate to drive the placing plate 35 to rise, the placing plate 35 drives the pump cover 2 to rise, thereby the polishing brush is inserted into the hole of the pump cover 2, the polishing motor 21 drives the polishing brush to rotate through the output shaft, the sprocket pair 20 drives the two polishing brushes to rotate synchronously, the polishing brushes are gradually separated during the rotation, the polishing brushes are in the shape of a cone as a whole, the hole of the pump cover 2 is polished, and the burrs in the hole are removed, after the polishing is completed, the lifting motor 9 drives the second threaded rod 27 to rotate reversely through the output shaft, the second threaded rod 27 drives the two moving blocks 26 to move reversely synchronously, the two moving blocks 26 drive the first connecting rod 25 and the second connecting rod 29 to rotate reversely, the first connecting rod 25 and the second connecting rod 29 cooperate to drive the placing plate 35 to descend, the placing plate 35 drives the pump cover 2 to descend to the appropriate position, the third electric push rod 28 extends to drive the push plate to move, the push plate drives the pump cover 2 to move to the supporting plate 30, the adjusting motor 1 drives the third threaded rod 33 to rotate through the output shaft, the third threaded rod 33 drives the adjusting block 32 to move, the adjusting block 32 drives the first electric push rod 19, when moving to the appropriate position, the first electric push rod 19 extends to drive the lifting plate 34 to descend, the lifting plate 34 drives the fixed cylinder 40 to be inserted into the hole of the pump cover 2, the fourth electric push rod 36 extends to drive the connecting plate 41 to rise, the connecting plate 41 drives the sliding rod 37 to rise, the sliding rod 37 rises to press the ball 38, the ball 38 protrudes to support and limit the upper and lower sides of the pump cover 2, the first electric push rod 19 retracts to drive the lifting plate 34 to rise, the lifting plate 34 drives the fixed cylinder 40 to rise, the fixed cylinder 40 drives the pump cover 2 to rise, the adjusting motor 1 drives the third threaded rod 33 to rotate through the output shaft, the third threaded rod 33 drives the adjusting block 32 to move, the adjusting block 32 drives the first electric push rod 19, when moving above the polishing bin 18, the first electric push rod 19 extends to drive the lifting plate 34 to descend, the lifting plate 34 drives the fixed cylinder 40 to descend, the fixed cylinder 40 drives the pump cover 2 to descend, the pump cover 2 is immersed in the grinding liquid, the magnetic polishing machine 44 drives the grinding magnetic needle and the grinding liquid to rotate, thereby the pump cover 2 is deburred, the first electric push rod 19 retracts to drive the lifting plate 34 to rise, the lifting plate 34 drives the fixed cylinder 40 to rise, the fixed cylinder 40 drives the pump cover 2 to rise, the adjusting motor 1 drives the third threaded rod 33 to rotate through the output shaft, the third threaded rod 33 drives the adjusting block 32 to move, the adjusting block 32 drives the first electric push rod 19,When moving above the cleaning bin 17, the first electric push rod 19 extends to drive the lifting plate 34 to descend, the lifting plate 34 drives the fixed cylinder 40 to descend, the fixed cylinder 40 drives the pump cover 2 to descend, the pump cover 2 is immersed in the cleaning liquid, the ultrasonic cleaner 45 cooperates with the cleaning liquid, and the pump cover 2 can be cleaned, the first electric push rod 19 retracts to drive the lifting plate 34 to ascend, the lifting plate 34 drives the fixed cylinder 40 to ascend, the fixed cylinder 40 drives the pump cover 2 to ascend, the adjusting motor 1 drives the third threaded rod 33 to rotate through the output shaft, the third threaded rod 33 drives the adjusting block 32 to move, and the adjusting block 32 drives the first electric push rod 19, when moving above the discharge bin 13, the fourth electric push rod 36 retracts to drive the connecting plate 41 to descend, the connecting plate 41 drives the sliding rod 37 to descend, the groove 39 provides rolling space for the ball 38, the ball 38 is affected by the gravity of the pump cover 2, the ball 38 moves to the groove 39 and does not contact the support limiting position of the pump cover 2, the pump cover 2 falls into the discharge bin 13, and the pump cover 2 leaves the device from the discharge bin 13.

[0042] The preferred embodiments of the patent are described in detail above, but the patent is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the purpose of the patent.

Claims

1. A pretreatment device for pump cover production, comprising two mounting plates (5) and a grinding assembly, characterized in that, The grinding assembly includes a base plate (16), a mounting block (22), and a placement plate (35). The base plate (16) is fixed to the ends of two mounting plates (5). Two fixed shafts are fixed on both the base plate (16) and the placement plate (35). The mounting block (22) has a rectangular hole (43) and two mounting holes (23) inside. Movable blocks (26) are slidably arranged inside the two mounting holes (23). A second threaded rod (27) is rotatably arranged inside the mounting block (22). The two movable blocks (26) are threadedly connected to the second threaded rod (27) at corresponding positions. A lifting motor (9) is fixed to the end of the mounting block (22). The output shaft of the lifting motor (9) is connected to the second threaded rod (27) through a coupling. The moving block (26) is a bidirectional threaded rod. A first connecting rod (25) and a second connecting rod (29) are rotatably mounted on both sides of the moving block (26). The end of the first connecting rod (25) is rotatably mounted on the fixed shaft of the base plate (16), and the end of the second connecting rod (29) is rotatably mounted on the fixed shaft of the placement plate (35). The L-shaped plate (10) is fixed to the ends of the two mounting plates (5). A third electric push rod (28) is fixed inside the L-shaped plate (10). A push plate is fixed to the end of the third electric push rod (28). A U-shaped plate (11) is fixed above the L-shaped plate (10) and the two mounting plates (5). Four grinding brushes are rotatably mounted below the U-shaped plate (11). A sprocket pair (20) is set between two grinding brushes on the same side. A sprocket pair (20) is fixed above the U-shaped plate (11). Two grinding motors (21) are provided. The output shafts of the grinding motors (21) are connected to the grinding brushes at corresponding positions via couplings. A pump cover (2) is provided above the placement plate (35). A rectangular tube (24) is fixed below the placement plate (35). A connecting groove (42) is provided on both sides of the rectangular tube (24). The rectangular tube (24) is slidably disposed inside the rectangular hole (43). A conveying assembly and a limiting assembly are provided between the two mounting plates (5). A grinding assembly is provided on the sides of the two mounting plates (5). A clamping assembly is provided above the grinding assembly. The grinding assembly includes a processing box (12). The processing box (12) is located on the sides of the two mounting plates (5). The interior of the processing box (12) is divided into a discharge chamber (13), a cleaning chamber (17), and a grinding chamber. The grinding chamber (18) is equipped with a magnetic polisher (44) and is filled with a grinding magnetic needle and grinding fluid. The cleaning chamber (17) is equipped with an ultrasonic cleaner (45) and is filled with a cleaning fluid. The clamping assembly includes an adjusting motor (1) and two upright plates (14). The two upright plates (14) are fixed above the processing box (12). An adjusting plate (15) is fixed above the two upright plates (14). A sliding groove is provided inside the adjusting plate (15). A third threaded rod (33) is rotatably provided inside the sliding groove. The adjusting motor (1) is fixed at the end of the adjusting plate (15). The output shaft of the adjusting motor (1) is connected to the third threaded rod (33) through a coupling.An adjusting block (32) is threaded onto the third threaded rod (33). A first electric push rod (19) is fixed below the adjusting block (32). A lifting plate (34) is fixed to the end of the first electric push rod (19). Four fixed cylinders (40) are fixed to the side of the lifting plate (34). Several symmetrical extrusion holes are opened on the fixed cylinders (40), and ball bearings (38) are provided inside each extrusion hole. A sliding rod (37) is slidably arranged inside the fixed cylinder (40). Several grooves (39) are opened on the side of the sliding rod (37). A connecting plate (41) is fixed above the two sliding rods (37). Two fourth electric push rods (36) are fixed above the lifting plate (34), and the ends of the fourth electric push rods (36) are fixed to the connecting plate (41).

2. The pretreatment device for pump cover production according to claim 1, characterized in that, The conveying assembly includes a conveying motor (6) and two rotating rollers. The rotating rollers are rotatably arranged between two mounting plates (5). A conveyor belt (7) is provided on the two rotating rollers. The conveying motor (6) is fixed to the side of the mounting plate (5). The output shaft of the conveying motor (6) is connected to one of the rotating rollers through a coupling.

3. A pretreatment device for pump cover production according to claim 1 or 2, characterized in that, The limiting assembly includes a first threaded rod (3), a limiting motor (8), and two limiting rods. The two limiting rods are fixed between two mounting plates (5). The first threaded rod (3) is rotatably disposed between the two mounting plates (5). The first threaded rod (3) is a bidirectional threaded rod. The limiting motor (8) is fixed on one of the mounting plates (5). The output shaft of the limiting motor (8) is connected to the first threaded rod (3) through a coupling. Two limiting plates (4) are slidably disposed on the two limiting rods. The two limiting plates (4) are threadedly connected to the first threaded rod (3).

4. The pretreatment device for pump cover production according to claim 3, characterized in that, The clamping assembly also includes a support plate (30), which is fixed above the processing box (12), and two connecting holes (31) are opened above the processing box (12).

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