Ultrasonic cleaning device for metal casting

Abstract

The invention discloses an ultrasonic cleaning device for metal castings, which belongs to the technical field of metal casting processing, and comprises a cleaning pool, an ultrasonic cleaning device and an ultrasonic cleaning device, the clamping unit is obliquely connected into the cleaning pool in a sliding manner; the rotating unit is rotationally connected into the cleaning pool and connected with the clamping unit; the sliding unit is slidably connected in the cleaning pool, one end is rotatably connected with the clamping unit, and the other end is connected with the rotating unit. The rotating unit is started, the rotating unit can drive the metal casting to rotate through the clamping unit, so that the metal casting can be in uniform contact with the cleaning liquid, the clamping unit can be periodically opened and closed under the cooperation of the sliding unit during rotation, and the cleaned metal casting can be replaced; the metal casting cleaning device has the advantages that multiple sets of metal castings can be continuously cleaned conveniently, the cleaning efficiency of the metal castings is improved, the automation degree is high, and the cost of enterprises is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of metal casting processing, in particular to an ultrasonic cleaning device for metal castings. Background Art

[0002] A Chinese patent (authorization announcement number: CN217451271U) discloses an ultrasonic cleaning device for metal castings, including a cleaning tank, a servo motor and a curved frame; wherein a support frame is arranged at the bottom of the cleaning tank, a water supply pump is arranged on the front surface of the cleaning tank, a water inlet pipe is arranged at one end of the water supply pump, a drainage port is arranged on one side of the bottom of the cleaning tank, and ultrasonic generators are arranged on both sides of the inner cavity of the cleaning tank; the servo motor is arranged in the middle of the bottom of the cleaning tank, a rotating shaft is arranged at the output end of the servo motor passing through the cleaning tank, and stirring blades are evenly arranged on the surface of the rotating shaft; the curved frame is arranged on one side of the top of the cleaning tank, a hot air blower is arranged on one side of the curved frame, and a connecting pipe is arranged at the bottom of the curved frame; its structure is reasonable, and it is convenient to turn over the workpiece during use to ensure that each side is cleaned, thereby improving the cleaning quality and efficiency.

[0003] The ultrasonic cleaning device for metal castings in the above technical solution also has the following defects when in use: when cleaning metal castings, the metal castings are usually placed in a cleaning tank in batches, and after the metal castings are cleaned, the metal castings are manually fished out in batches. Manually fishing out the metal castings takes a lot of time, the degree of automation is not high, and the processing cost of the enterprise is increased. The above problems are intended to be solved. Summary of the invention

[0004] In view of the shortcomings of the prior art, an object of the embodiments of the present invention is to provide an ultrasonic cleaning device for metal castings to solve the problems in the above-mentioned background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions: A metal casting ultrasonic cleaning device, comprising: A cleaning tank, wherein an ultrasonic cleaner is installed inside the cleaning tank; A clamping unit is connected in a tilted and sliding manner in the cleaning tank and is used to clamp and fix the metal casting; A rotating unit is rotatably connected in the cleaning tank and connected to the clamping unit, and is used to drive the clamping unit to rotate in the cleaning tank; A sliding unit is slidably connected in the cleaning tank, one end of which is rotatably connected to the clamping unit and the other end of which is connected to the rotating unit, and is used to cooperate with the rotating unit to realize the periodic opening and closing of the clamping unit; A drying unit, rotatably connected to the cleaning tank, for drying the cleaned metal castings; The revolution unit is rotatably connected to the cleaning pool and connected to the drying unit, and is used to cooperate with the drying unit to realize the rotation and revolution of the drying unit.

[0006] As a preferred technical solution of the present invention, the clamping unit includes: a turntable, rotatably connected in the cleaning tank, and having at least eight groups of placement grooves on its surface; an inclined groove, opened on the inner wall of the placement groove, with a slider slidably connected in the inclined groove, and the inclined groove and the slider are symmetrically arranged in two groups along the center line of the placement groove; and an L-shaped clamping frame fixed on the side of the slider.

[0007] As a preferred technical solution of the present invention, the rotating unit includes: a driving shaft, rotatably connected to the cleaning tank, and the center of the turntable is connected to the surface of the driving shaft; a driving member, installed on the cleaning tank, and the end of the driving shaft is connected to the output end of the driving member; a rotating ring, connected to the surface of the turntable through a connecting ring, and a groove is opened on the rotating ring.

[0008] As a preferred technical solution of the present invention, the sliding unit includes: a fixed ring, fixed to the bottom of the cleaning tank, and a convex ring is opened at the end; a connecting ring, fixed to the surface of the turntable, and a lifting rod is slidably connected inside, and the number of the lifting rod and the slots are consistent with the number of the placement slots, and the positions correspond one to one; a support, fixed on the lifting rod, and the support is hinged on the slider through a connecting rod; a bracket, fixed to the end of the lifting rod.

[0009] As a preferred technical solution of the present invention, the drying unit includes: a shaped frame connected to the cleaning tank through a revolution unit; a rotating shaft rotatably connected to the shaped frame, and fan blades are installed on the surface.

[0010] As a preferred technical solution of the present invention, the revolution unit includes: a support frame, fixed on the cleaning tank, and a support rod is installed on the side; a fixed column, fixed on the support rod, and the shaped frame is rotatably connected to the surface of the fixed column; a first bevel gear is installed at the end of the fixed column away from the support rod; a driver is installed on the support frame; a driving rod is rotatably connected to the support frame, one end is connected to the output end of the driver, and the other end is connected to the shaped frame, and the driving rod and the fixed column are located on the same axis; a partition plate is connected in the shaped frame, and a rotating rod is rotatably connected inside; a second bevel gear is installed at the end of the rotating rod and meshed with the first bevel gear; a third bevel gear is installed at the end of the rotating rod away from the second bevel gear; a fourth bevel gear is installed at the end of the rotating shaft and meshed with the third bevel gear.

[0011] Compared with the prior art, the embodiments of the present invention have the following beneficial effects: when placing a metal casting, the present invention places the metal casting in a clamping unit, adds cleaning liquid into a cleaning tank, and turns on an ultrasonic cleaner to clean the metal casting. After the metal casting is cleaned, the drying unit will comprehensively dry the cleaned metal casting under the action of the revolution unit.

[0012] Compared with the prior art which requires batches of cleaned metal castings to be manually fished out, the embodiment of the present invention provides a rotating unit and a sliding unit. During the cleaning process of the metal castings, the rotating unit is turned on, and the rotating unit can drive the metal castings to rotate through the clamping unit, so that the metal castings can be evenly contacted with the cleaning liquid, thereby improving the uniformity of cleaning the metal castings. When rotating, the clamping unit will open and close periodically with the cooperation of the sliding unit, and the cleaned metal castings can be replaced, which is convenient for continuous cleaning of multiple groups of metal castings, improving the efficiency of metal casting cleaning, and having the advantages of high degree of automation and reduced enterprise costs.

[0013] In order to more clearly illustrate the structural features and effects of the present invention, the present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The present invention is a schematic diagram of the overall structure of an ultrasonic cleaning device for metal castings provided in an embodiment of the present invention.

[0015] Figure 2 It is a schematic diagram of the structure of the rotating unit provided in an embodiment of the present invention.

[0016] Figure 3 It is a schematic diagram of the structure of the sliding unit provided in an embodiment of the present invention.

[0017] Figure 4 for Figure 3 A partial enlarged view of part A.

[0018] Figure 5 Schematic diagram of the structure of the revolution unit provided in an embodiment of the present invention.

[0019] Reference numerals: 1, cleaning tank; 11, drain valve; 2, clamping unit; 21, turntable; 22, placement slot; 23, inclined slot; 24, slider; 25, L-shaped clamping frame; 3, rotating unit; 31, driving shaft; 32, driving member; 33, rotating ring; 331, slot; 4, sliding unit; 41, fixing ring; 411, convex ring; 42, connecting ring; 43, lifting rod; 431, support; 432, Hemisphere; 44, connecting rod; 45, bracket; 46, elastic member; 5, drying unit; 51, profile frame; 52, rotating shaft; 53, fan blade; 6, revolution unit; 61, support frame; 62, support rod; 63, fixing column; 631, first bevel gear; 64, driver; 65, driving rod; 66, partition; 67, rotating rod; 671, second bevel gear; 672, third bevel gear; 68, fourth bevel gear. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0021] The specific implementation of the present invention is described in detail below in conjunction with specific embodiments.

[0022] See also Figure 1 to Figure 5 , a metal casting ultrasonic cleaning device, comprising: A cleaning tank 1, wherein an ultrasonic cleaner is installed inside the cleaning tank 1; A clamping unit 2 is connected in an inclined and sliding manner in the cleaning tank 1 and is used to clamp and fix the metal casting; The rotating unit 3 is rotatably connected in the cleaning tank 1 and connected to the clamping unit 2, and is used to drive the clamping unit 2 to rotate in the cleaning tank 1; The sliding unit 4 is slidably connected in the cleaning tank 1, one end of which is rotatably connected to the clamping unit 2, and the other end of which is connected to the rotating unit 3, and is used to cooperate with the rotating unit 3 to realize the periodic opening and closing of the clamping unit 2; A drying unit 5 is rotatably connected to the cleaning tank 1 and is used to dry the cleaned metal castings; The revolution unit 6 is rotatably connected to the cleaning tank 1 and connected to the drying unit 5 , and is used for cooperating with the drying unit 5 to realize the rotation and revolution of the drying unit 5 .

[0023] In an embodiment of the present invention, when placing a metal casting, the metal casting is placed in the clamping unit 2, a cleaning liquid is added to the cleaning tank 1, and the ultrasonic cleaner is turned on to clean the metal casting. After the metal casting is cleaned, the drying unit 5 will comprehensively dry the cleaned metal casting under the action of the revolution unit 6.

[0024] During the cleaning process of the metal casting, the rotating unit 3 is turned on, and the rotating unit 3 can drive the metal casting to rotate through the clamping unit 2, so that the metal casting can be evenly contacted with the cleaning liquid, thereby improving the uniformity of cleaning the metal casting. When rotating, the clamping unit 2 will be periodically opened and closed with the cooperation of the sliding unit 4, and the cleaned metal casting can be replaced, which is convenient for continuous cleaning of multiple groups of metal castings, thereby improving the efficiency of cleaning the metal casting.

[0025] In one embodiment of the present invention, Figure 3 and Figure 4 As shown, the clamping unit 2 comprises: A turntable 21 is rotatably connected in the cleaning tank 1, and has at least eight groups of placement slots 22 on its surface; An inclined groove 23 is provided on the inner wall of the placement groove 22, and a slider 24 is slidably connected in the inclined groove 23. The inclined groove 23 and the slider 24 are symmetrically arranged in two groups along the center line of the placement groove 22; The L-shaped clamping frame 25 is fixed on the side of the slider 24 .

[0026] In this embodiment, an ultrasonic cleaner is installed in the cleaning pool 1. The ultrasonic cleaner is a prior art. When the ultrasonic cleaner is turned on, the ultrasonic cleaner can use the shock waves generated by the bursting of bubbles in the liquid to clean and flush the inner and outer surfaces of the metal casting.

[0027] When placing the metal casting, the metal casting is placed in the placement groove 22, and the two sets of sliders 24 are respectively moved downward in the inclined groove 23 under the action of the sliding unit 4 ( Figure 4 The two sets of sliders 24 can respectively drive the corresponding L-shaped clamping frames 25 to slide when sliding, so that the two sets of L-shaped clamping frames 25 will synchronously move downward and move toward the center direction of the placement slot 22 until the side inner walls and top inner walls of the two sets of L-shaped clamping frames 25 slide to contact the side and top of the metal casting respectively, so that the side and top of the metal casting can be clamped and fixed by the two sets of L-shaped clamping frames 25, so as to facilitate the ultrasonic cleaner to clean it.

[0028] A drain valve 11 is installed at the bottom of the cleaning tank 1. After the metal casting is installed by the clamping unit 2, distilled water and cleaning agent (hereinafter referred to as cleaning liquid) are added to the cleaning tank 1, and the ultrasonic cleaner is turned on to clean the metal casting. After the metal casting is cleaned, the drain valve 11 is opened to discharge the sewage from the cleaning tank 1.

[0029] In one embodiment of the present invention, Figure 2 As shown, the rotating unit 3 includes: The driving shaft 31 is rotatably connected to the cleaning tank 1, and the center of the rotating disk 21 is connected to the surface of the driving shaft 31; The driving member 32 is installed on the cleaning tank 1, and the end of the driving shaft 31 is connected to the output end of the driving member 32; The rotating ring 33 is connected to the surface of the rotating disk 21 through the connecting ring 42 , and a slot 331 is formed on the rotating ring 33 .

[0030] In this embodiment, the driving member 32 is turned on, and the output end of the driving member 32 can drive the turntable 21 to rotate in the cleaning tank 1 through the driving shaft 31. When the turntable 21 rotates, it can drive the metal casting to rotate synchronously in the cleaning liquid through the clamping unit 2. At the same time, the turntable 21 can drive the rotating ring 33 to rotate through the connecting ring 42, so that the rotating ring 33 can drive the slot 331 to rotate in the cleaning liquid. The slot 331 can accelerate the stirring and convection of the cleaning liquid, so that the metal casting can be evenly contacted with the cleaning liquid, thereby improving the uniformity of the cleaning of the metal casting.

[0031] In one embodiment of the present invention, Figure 3 and Figure 4 As shown, the sliding unit 4 includes: A fixing ring 41 is fixed to the bottom of the cleaning tank 1, and a convex ring 411 is provided at the end thereof; The connecting ring 42 is fixed on the surface of the rotating disk 21, and a lifting rod 43 is slidably connected inside. The number of the lifting rod 43 and the slots 331 is consistent with the number of the placement slots 22, and the positions correspond one to one; A support 431 is fixed on the lifting rod 43, and the support 431 is hinged on the slider 24 through a connecting rod 44; A bracket 45 is fixed to the end of the lifting rod 43; A hemispherical body 432 is fixed to the end of the lifting rod 43 away from the bracket 45, and the hemispherical body 432 is slidably connected to the surfaces of the fixing ring 41 and the convex ring 411 respectively; The elastic member 46 is connected between the side surface of the connecting ring 42 and the side surface of the hemispherical body 432 .

[0032] In this embodiment, when the turntable 21 rotates, it can drive multiple groups of lifting rods 43 to rotate through the connecting ring 42. One end of the lifting rod 43 can drive the support 431 and the connecting rod 44 to rotate synchronously, and the other end can drive the hemisphere 432 to slide on the surface of the fixed ring 41 and the convex ring 411. When the hemisphere 432 slides from the surface of the fixed ring 41 to the surface of the convex ring 411, the hemisphere 432 will push the lifting rod 43 to slide upward in the connecting ring 42 under the action of the convex ring 411. The hemisphere 432 can compress the elastic member 46 during the upward sliding process. The elastic member 46 can be a spring or elastic rubber, which is not limited here.

[0033] When the lifting rod 43 slides upward in the connecting ring 42, the lifting rod 43 can drive the support 431 to slide upward synchronously, so that the support 431 can push the two sets of sliders 24 to slide upward in the corresponding inclined groove 23 through the two sets of connecting rods 44. Since the inclined groove 23 is inclined, the two sets of sliders 24 will push the two sets of L-shaped clamping frames 25 to slide upward and away from the center of the placement groove 22. When the lifting rod 43 slides upward, it can push the bracket 45 to slide upward (such as Figure 4 ), when the bracket 45 slides upward and the two groups of L-shaped clamping frames 25 slide upward along the inclined groove 23, the metal casting can be placed on the surface of the bracket 45, so that the bracket 45 supports the metal casting.

[0034] When the hemispherical body 432 slides from the surface of the convex ring 411 to the surface of the fixed ring 41, the hemispherical body 432 will pull the lifting rod 43 to slide downward in the connecting ring 42 under the elastic force of the elastic member 46, so the lifting rod 43 will pull the bracket 45 to slide downward (such as Figure 4 The bracket 45 drives the metal casting on its surface to completely slide into the placement groove 22.

[0035] At the same time, the lifting rod 43 can also drive the support 431 to slide downward synchronously during the sliding process. At this time, contrary to the above working process, the support 431 will pull the slider 24 through the connecting rod 44 to slide downward in the inclined groove 23 (along the direction of the inclined groove 23), so that the two groups of L-shaped clamping frames 25 slide downward along the direction of the inclined groove 23 until the side inner walls and top inner walls of the two groups of L-shaped clamping frames 25 slide to contact the side and top of the metal casting respectively, so that the side and top of the metal casting can be clamped and fixed by the two groups of L-shaped clamping frames 25, thereby improving the stability of the metal casting when being cleaned in the cleaning tank 1.

[0036] Since the turntable 21 will continue to drive the metal casting to rotate through the clamping unit 2, the metal casting will be fully cleaned in the cleaning tank 1. When the hemisphere 432 slides from the surface of the fixed ring 41 to the surface of the convex ring 411 again, the bracket 45 will push the metal casting up to slide out of the placement groove 22, and the two groups of L-shaped clamping frames 25 will be separated from the surface of the metal casting. The cleaned metal casting can be replaced, which is convenient for continuous cleaning of multiple groups of metal castings, thereby improving the efficiency of metal casting cleaning.

[0037] In one embodiment of the present invention, Figure 1 and Figure 5 As shown, the drying unit 5 comprises: The mold frame 51 is connected to the cleaning tank 1 through the revolution unit 6; The rotating shaft 52 is rotatably connected to the shaped frame 51, and the fan blades 53 are installed on the surface.

[0038] In this embodiment, the revolution unit 6 is turned on, and the revolution unit 6 can drive the rotating shaft 52 to rotate in the mold frame 51. When the rotating shaft 52 rotates, it can drive the fan blades 53 on its surface to rotate synchronously, so that the fan blades 53 can dry the cleaned metal castings.

[0039] In one embodiment of the present invention, Figure 5 As shown, the revolution unit 6 comprises: A support frame 61 is fixed on the cleaning tank 1, and a support rod 62 is installed on the side; The fixed column 63 is fixed on the support rod 62, and the profile frame 51 is rotatably connected to the surface of the fixed column 63; A first bevel gear 631 is mounted on the end of the fixing column 63 away from the support rod 62; A driver 64 is mounted on the support frame 61; The driving rod 65 is rotatably connected to the support frame 61, one end of which is connected to the output end of the driver 64, and the other end of which is connected to the mold frame 51, and the driving rod 65 and the fixing column 63 are located on the same axis; The partition 66 is connected to the inner part of the frame 51 and is internally rotatably connected to a rotating rod 67; The second bevel gear 671 is mounted on the end of the rotating rod 67 and is meshedly connected with the first bevel gear 631; A third bevel gear 672 is mounted on the end of the rotating rod 67 away from the second bevel gear 671; The fourth bevel gear 68 is mounted on the end of the rotating shaft 52 and is meshedly connected with the third bevel gear 672 .

[0040] In this embodiment, the driver 64 is turned on, and the output end of the driver 64 can drive the driving rod 65 to rotate in the support frame 61. When the driving rod 65 rotates, it can drive the shaped frame 51 to rotate on the surface of the fixed column 63. When the shaped frame 51 rotates, it can drive the rotating rod 67 inside it to rotate synchronously through the partition 66, so that the rotating rod 67 can drive the second bevel gear 671 and the third bevel gear 672 at its two ends to rotate. Since the second bevel gear 671 is meshed with the first bevel gear 631, and the driving The rod 65 and the fixed column 63 are located on the same axis. At the same time, the fixed column 63 and the first bevel gear 631 are stationary as a whole, so the second bevel gear 671 will drive the rotating rod 67 to rotate in the partition 66 under the action of the first bevel gear 631. When the rotating rod 67 rotates, it can drive the rotating shaft 52 to rotate in the mold frame 51 through the connection between the third bevel gear 672 and the fourth bevel gear 68, so that the rotating shaft 52 can drive the fan blades 53 on its surface to rotate synchronously, so that the fan blades 53 can dry the cleaned metal castings.

[0041] During this process, the driving rod 65 will drive the rotating shaft 52 to revolve through the mold frame 51, and the rotating shaft 52 will rotate in the mold frame 51 under the action of the third bevel gear 672 and the fourth bevel gear 68, so that the fan blades 53 can increase the drying range of the metal casting and improve the drying effect of the metal casting.

[0042] The driving member 32 and the driver 64 may both be motors or pneumatic motors, and the driving rod 65 may also be connected via a belt and an extension rod of the driving shaft 31, so that the driving rod 65 can rotate under the action of the belt and the extension rod of the driving shaft 31, and no sole limitation is made here.

[0043] The working principle of the present invention is: when placing the metal casting, the metal casting is placed in the placement groove 22, and the two groups of sliders 24 will slide down in the inclined groove 23 respectively under the action of the sliding unit 4, so that the side and top of the metal casting can be clamped and fixed respectively under the action of the two groups of L-shaped clamping frames 25. After the metal casting is installed by the clamping unit 2, the cleaning liquid is added to the cleaning tank 1, and the ultrasonic cleaner is turned on to clean the metal casting. After the cleaning of the metal casting is completed, the drain valve 11 is opened to discharge the sewage from the cleaning tank 1.

[0044] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or mutual communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0045] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A metal casting ultrasonic cleaning device, characterized in that: The metal casting ultrasonic cleaning device comprises: A cleaning tank (1), wherein an ultrasonic cleaner is installed inside the cleaning tank (1); A clamping unit (2) is connected in an inclined and sliding manner in the cleaning tank (1) and is used to clamp and fix the metal casting; A rotating unit (3) is rotatably connected in the cleaning tank (1) and is connected to the clamping unit (2) to drive the clamping unit (2) to rotate in the cleaning tank (1); A sliding unit (4) is slidably connected in the cleaning tank (1), one end of which is rotatably connected to the clamping unit (2) and the other end of which is connected to the rotating unit (3), and is used to cooperate with the rotating unit (3) to achieve periodic opening and closing of the clamping unit (2); A drying unit (5) is rotatably connected to the cleaning tank (1) and is used to dry the cleaned metal castings; The revolution unit (6) is rotatably connected to the cleaning tank (1) and connected to the drying unit (5), and is used to cooperate with the drying unit (5) to realize the rotation and revolution of the drying unit (5).

2. The ultrasonic cleaning device for metal castings according to claim 1, characterized in that: The clamping unit (2) comprises: A turntable (21) is rotatably connected in the cleaning tank (1) and has at least eight groups of placement slots (22) formed on its surface; An inclined groove (23) is provided on the inner wall of the placement groove (22), a slider (24) is slidably connected in the inclined groove (23), and two groups of the inclined groove (23) and the slider (24) are symmetrically arranged along the center line of the placement groove (22); The L-shaped clamping frame (25) is fixed on the side of the slide block (24).

3. The ultrasonic cleaning device for metal castings according to claim 2, characterized in that: The rotating unit (3) comprises: A driving shaft (31) is rotatably connected to the cleaning tank (1), and the center of the rotating disk (21) is connected to the surface of the driving shaft (31); A driving member (32) is mounted on the cleaning tank (1), and the end of the driving shaft (31) is connected to the output end of the driving member (32); The rotating ring (33) is connected to the surface of the rotating disk (21) through a connecting ring (42), and a slot (331) is formed on the rotating ring (33).

4. The ultrasonic cleaning device for metal castings according to claim 3, characterized in that: The sliding unit (4) comprises: A fixing ring (41) is fixed to the bottom of the cleaning tank (1) and has a convex ring (411) at the end thereof; A connecting ring (42) is fixed on the surface of the rotating disk (21), and a lifting rod (43) is slidably connected therein, wherein the number of the lifting rod (43) and the slots (331) is consistent with the number of the placement slots (22), and the positions correspond one to one; A support (431) is fixed on the lifting rod (43), and the support (431) is hinged on the slider (24) through a connecting rod (44); The bracket (45) is fixed on the end of the lifting rod (43).

5. The ultrasonic cleaning device for metal castings according to claim 1, characterized in that: The drying unit (5) comprises: The mold frame (51) is connected to the cleaning tank (1) via the revolution unit (6); The rotating shaft (52) is rotatably connected to the shaped frame (51), and a fan blade (53) is mounted on the surface.

6. The ultrasonic cleaning device for metal castings according to claim 5, characterized in that: The revolution unit (6) comprises: A support frame (61) is fixed on the cleaning tank (1) and has a support rod (62) installed on the side; A fixed column (63) is fixed on the support rod (62), and the molded frame (51) is rotatably connected to the surface of the fixed column (63); A first bevel gear (631) is mounted on an end of the fixing column (63) away from the support rod (62); A driver (64) is mounted on the support frame (61); A driving rod (65) is rotatably connected to the support frame (61), one end of which is connected to the output end of the driver (64), and the other end of which is connected to the mold frame (51), and the driving rod (65) and the fixing column (63) are located on the same axis; A partition plate (66) is connected inside the molded frame (51) and is rotatably connected to a rotating rod (67); The second bevel gear (671) is mounted on the end of the rotating rod (67) and is meshedly connected with the first bevel gear (631); A third bevel gear (672) is mounted on an end of the rotating rod (67) away from the second bevel gear (671); The fourth bevel gear (68) is mounted on the end of the rotating shaft (52) and is meshedly connected with the third bevel gear (672).

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