A fastener production and processing device

Abstract

The application discloses a fastener production and processing equipment, and relates to the fastener processing technical field, which solves the problem that the fasteners contained in the net cylinder are accumulated in the net cylinder, and the fasteners accumulated on the inner side are not cleaned thoroughly, and comprises an ultrasonic cleaning tank, a swing structure for shaking the fasteners is arranged in the interior of the ultrasonic cleaning tank, a brushing assembly for brushing off the dirt on the surface of the fasteners is arranged on the upper side of the swing structure in the interior of the ultrasonic cleaning tank; the swing structure, the brushing assembly, the cleaning cloth, the winding roller and the cleaning assembly are arranged in the ultrasonic cleaning tank, which is favorable for preventing the fasteners from being accumulated together during cleaning, so that the fasteners can be cleaned more thoroughly; the transmission structure is arranged on the lower side of the supporting plate, and the plurality of groups of convex plates form the action of beating the cleaning cloth, so that the dirt attached to the cleaning cloth can be beaten off, thereby achieving the effect of automatically cleaning the cleaning cloth.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of fastener processing, in particular to a fastener production and processing equipment. BACKGROUND

[0002] Fasteners refer to a kind of mechanical parts used when two or more parts are fastened and connected to become a whole; the use is wide, including energy, electronics, electrical appliances, machinery, chemical industry, metallurgy, molds, hydraulic industry and the like, and various fasteners can be seen on various machinery, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, chemical industry, instruments and articles, etc., and the fasteners are the most widely used mechanical basic parts;

[0003] The existing Chinese patent CN211412849U discloses a fastener cleaning equipment, fasteners are contained in a mesh tube, a driving motor drives an output shaft to rotate, the output shaft drives a driving gear to rotate, and in turn drives a rack ring to rotate, and in turn drives the mesh tube to rotate under the cooperation and guidance of a sliding block and an annular sliding groove (and the rotating direction of the mesh tube is opposite to that of the driving motor), and in turn drives the fasteners in the mesh tube to rotate in the cleaning water, at this time, a second cleaning brush can cooperate with the cleaning water to clean the fasteners.

[0004] However, in the use process of the above-mentioned device, since the fasteners are made of metal and are heavy, the fasteners contained in the mesh tube will be accumulated in the mesh tube, so that there are a large number of dead angles in the fasteners in the mesh tube, thereby causing the fasteners accumulated on the inner side to be not cleaned, and affecting the subsequent processing of the fasteners. SUMMARY

[0005] The application aims to provide a fastener production and processing equipment capable of preventing fasteners from being accumulated during cleaning, so as to solve the problems in the background art.

[0006] To achieve the above-mentioned purpose, the application provides the following technical scheme.

[0007] A fastener production and processing equipment comprises an ultrasonic cleaning tank, a swing structure for shaking fasteners is installed inside the ultrasonic cleaning tank, a brushing assembly for brushing off dirt on the surface of the fasteners is installed on the upper side of the swing structure, a material discharging roller is installed at the upper end of the ultrasonic cleaning tank, a cleaning cloth is wound on the material discharging roller, and a winding roller is fixedly connected to one end of the cleaning cloth inside the ultrasonic cleaning tank.

[0008] Preferably, the swing structure comprises a supporting tray mounted inside the ultrasonic cleaning tank, the supporting tray is used for placing fasteners, the bottom of the supporting tray is rotatably mounted with two guide rollers symmetrically distributed at both ends, the guide rollers can reduce the friction between the cleaning cloth and the supporting tray, two symmetrically distributed through grooves are formed in the supporting tray at both ends of the guide rollers, and the cleaning cloth penetrates through the supporting tray through the through grooves, a plurality of groups of support plates symmetrically distributed and supporting the supporting tray are fixedly mounted inside the ultrasonic cleaning tank, and the upper ends of the plurality of groups of support plates are movably embedded with a plurality of groups of rolling balls symmetrically distributed.

[0009] Preferably, the connecting mode between the rolling ball and the supporting tray is rolling connection, the rolling ball can reduce the friction between the supporting plate and the support plate, the lower end of the middle two support plates is fixedly welded with a support frame, the lower end center of the supporting tray is fixedly welded with a connecting column, the lower end of the connecting column is fixedly welded with a rotating disc, the connecting column is away from the center of the rotating disc, the main shaft of the connecting column is rotatably connected with the support frame through a bearing, the lower end of the main shaft of the connecting column is fixedly connected with a first turbine, the outer side of the first turbine is mounted with a first worm engagedly connected therewith, and the first worm is rotatably connected with the support frame through a bearing, the rotation of the first worm can drive the rotation of the first turbine, the left end of the first worm is fixedly connected with a driving motor through a shaft coupling, and the driving motor is fixedly mounted on the outer side of the ultrasonic cleaning tank.

[0010] Preferably, the brushing assembly comprises a brush roller mounted on the upper side of the supporting tray, two symmetrically distributed gears are fixedly sleeved on the outer side of the brush roller at both ends, a rack engagedly connected with the gears is mounted on the outer side of the gears, the rack can drive the gears to rotate when the gears translate, the connecting mode between the rack and the ultrasonic cleaning tank is fixed welding, a shaft rod penetrates through the inner center of the brush roller, and the connecting mode between the brush roller and the shaft rod is rotary connection, the brush roller contacts the fasteners placed on the supporting tray and can brush off dirt on the surface of the fasteners, the both ends of the shaft rod are fixedly connected with a first sliding block and a second sliding block respectively.

[0011] Preferably, a reciprocating screw rod penetrates through the inner center of the second sliding block, and the connecting mode between the second sliding block and the reciprocating screw rod is screw connection, a sliding rod penetrates through the inner center of the first sliding block, and the connecting mode between the first sliding block and the sliding rod is sliding connection, one end of the reciprocating screw rod close to the driving motor is fixedly connected with a second worm, first synchronous wheels are fixedly sleeved on the outer sides of the second worm and the driving shaft of the driving motor, a first synchronous belt engagedly connected with the first synchronous wheels is sleeved on the outer side of the first synchronous wheels, and the first synchronous belt facilitates linkage of the two first synchronous wheels.

[0012] Preferably, a connecting assembly is arranged between the second worm and the winding roller, the connecting assembly comprises a mounting shaft rotatably connected with the ultrasonic cleaning tank through a sealing bearing, a second worm wheel is fixedly sleeved on the outer side of the mounting shaft and engaged with the second worm, a second synchronous wheel is sleeved on the outer side of the second worm wheel on the mounting shaft, a third synchronous wheel is fixedly sleeved on the outer side of the connecting shaft of the winding roller, the winding roller can rotate to wind and store the cleaning cloth, and the second synchronous wheel and the third synchronous wheel are sleeved with a second synchronous belt engaged therewith.

[0013] Preferably, a rotatable ratchet is embedded on one end of the mounting shaft towards the inside of the ultrasonic cleaning tank, a coil spring is fixedly sleeved on the outer side of the connecting shaft of the ratchet, and one end of the outer side of the coil spring is fixedly connected with the mounting shaft, the coil spring can drive the ratchet to rebound, and the mounting shaft and the second synchronous wheel are both provided with ratchet grooves at the connecting positions of the coil spring, the outer side of the mounting shaft is provided with a limiting ring and two symmetrically distributed limiting blocks at two ends of the second synchronous wheel, and the limiting ring and the limiting blocks can prevent the second synchronous wheel from being separated from the mounting shaft.

[0014] Preferably, a transmission structure is arranged on the lower side of the supporting plate in the ultrasonic cleaning tank, the transmission structure comprises a transmission roller rotatably connected with the ultrasonic cleaning tank, and a plurality of groups of convex plates are fixedly arranged on the outer side of the transmission roller and are circumferentially and equidistantly distributed, the connection between the convex plates and the cleaning cloth is movably attached, and a spacing is reserved between the plurality of groups of horizontally arranged convex plates.

[0015] Compared with the prior art, the present application has the following advantages:

[0016] 1、The present application installs the swing structure, the brushing assembly, the cleaning cloth, the winding roller and the cleaning assembly in the ultrasonic cleaning tank, when the rotating disc rotates and drives the supporting plate to eccentrically rotate through the connecting column, the fasteners on the supporting disc are flattened in the swing process of the supporting disc, the brush roller in the brushing assembly rotates and moves on the upper side of the fasteners, and the cleaning cloth laid on the lower side of the fasteners is also wound at a certain frequency by the winding roller, so that the brush roller and the cleaning cloth simultaneously wash and brush the upper and lower sides of the fasteners, which is beneficial to prevent the fasteners from piling up during cleaning, thereby enabling the fasteners to be more thoroughly cleaned.

[0017] 2、The present application installs the transmission structure on the lower side of the supporting plate, the convex plates in the transmission structure movably abut against the cleaning cloth, and in the process of winding the cleaning cloth by the winding roller, the plurality of groups of convex plates rotate around the transmission roller to form a beating action on the cleaning cloth, thereby facilitating the dirt adhered to the cleaning cloth to be knocked off, thereby playing a role in automatically cleaning the cleaning cloth. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the whole structure schematic diagram of the application;

[0019] Figure 2 It is the side sectional view schematic diagram of the ultrasonic cleaning tank of the application;

[0020] Figure 3 It is the whole structure schematic diagram of the internal structure of the ultrasonic cleaning tank of the application;

[0021] Figure 4 It is the split schematic diagram of the swing structure of the application;

[0022] Figure 5 It is the split schematic diagram of the brushing assembly of the application;

[0023] Figure 6 It is the schematic diagram of the connection state of the winding roller and the connecting assembly of the application;

[0024] Figure 7 It is the split schematic diagram of the amplification of A in the application; Figure 6

[0025] Figure 8 It is the whole schematic diagram of the transmission structure of the application.

[0026] In the figure: 1, ultrasonic cleaning tank; 2, swing structure; 201, bearing tray; 202, guide roller; 203, support plate; 204, ball bearing; 205, support frame; 206, connecting column; 207, rotating disc; 208, first worm; 209, first worm gear; 210, driving motor; 3, brushing assembly; 301, brush roller; 302, gear; 303, shaft; 304, first sliding block; 305, second sliding block; 306, reciprocating screw; 307, sliding rod; 308, second worm gear; 309, first synchronous wheel; 310, first synchronous belt; 4, feeding roller; 5, cleaning cloth; 6, winding roller; 7, connecting assembly; 701, mounting shaft; 702, second worm; 703, second synchronous wheel; 704, third synchronous wheel; 705, second synchronous belt; 706, ratchet; 707, coil spring; 708, limiting ring; 709, limiting block; 8, transmission structure; 801, transmission roller; 802, protruding plate; 9, rack. Embodiment

[0027] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the application. Embodiment

[0028] Please refer to Figure 1 ,​Figure 2 、 Figure 3 and Figure 4 , one of the fastener production processing equipment shown in the figure, including ultrasonic cleaning tank 1, the inside of ultrasonic cleaning tank 1 is installed for the fastener to shake swing structure 2, the upper side of swing structure 2 is located in the inside of ultrasonic cleaning tank 1 is installed for brushing the surface dirt of fastener brush material assembly 3, the upper end of ultrasonic cleaning tank 1 is installed with material roller 4, the clean cloth 5 is wound on the material roller 4, and the clean cloth 5 is fixedly connected with the winding roller 6 at one end in the inside of ultrasonic cleaning tank 1.

[0029] Please refer to Figure 4 , swing structure 2 includes a supporting tray 201 installed in the inside of ultrasonic cleaning tank 1, two symmetrical guide rollers 202 are rotatably installed at the both ends of the bottom of supporting tray 201, two symmetrical through slots are formed at the both ends of supporting tray 201, and the clean cloth 5 penetrates through supporting tray 201 through the through slots, a plurality of support plates 203 are fixedly installed in the inside of ultrasonic cleaning tank 1, and a plurality of groups of ball bearings 204 are movably embedded in the upper end of the plurality of support plates 203.

[0030] Please refer to Figure 4 , the connection mode between the ball bearing 204 and the supporting tray 201 is rolling connection, the lower end of the middle two support plates 203 is fixedly welded with a support frame 205, the lower center of the supporting tray 201 is fixedly welded with a connecting column 206, the lower end of the connecting column 206 is fixedly welded with a rotating disc 207, the center of the connecting column 206 is away from the rotating disc 207, the main shaft of the connecting column 206 is rotatably connected with the support frame 205 through a bearing, the first turbine 208 is fixedly connected with the lower end of the main shaft of the connecting column 206, the first worm 209 is rotatably connected with the support frame 205 through a bearing and is installed on the outer side of the first turbine 208, the left end of the first worm 209 is fixedly connected with a driving motor 210 through a shaft coupling, and the driving motor 210 is fixedly installed on the outer side of the ultrasonic cleaning tank 1.

[0031] The working principle for preventing the fasteners from piling up during cleaning: after the fasteners are placed on the supporting tray 201, the driving motor 210 is controlled to rotate by the controller, the driving motor 210 drives the first worm 209 to rotate, the first worm 209 drives the first turbine 208 and the rotating disc 207 to rotate, the rotating disc 207 drives the supporting tray 201 to make eccentric swing through the connecting column 206, and the fasteners placed on the supporting tray 201 are flattened on the supporting tray 201 under the swing action of the supporting tray 201, so that the fasteners can be prevented from piling up together during cleaning. Embodiment

[0032] Please refer to Figure 3 And Figure 5 , the embodiment for example 1 further illustrates, the brush assembly 3 includes the brush roller 301 installed on the upper side of the support tray 201, the outer side of the brush roller 301 is fixed with two symmetrical gears 302 at both ends, the outer side of the gear 302 is provided with the rack 9 connected with it, and the connection between the rack 9 and the ultrasonic cleaning tank 1 is fixed welding, the inside center of the brush roller 301 is penetrated by the shaft 303, and the connection between the brush roller 301 and the shaft 303 is rotatingly connected, the both ends of the shaft 303 are respectively fixedly connected with the first sliding block 304 and the second sliding block 305.

[0033] Please refer to Figure 5 , the inside center of the second sliding block 305 is penetrated by the reciprocating screw 306, and the connection between the second sliding block 305 and the reciprocating screw 306 is threaded connection, the inside center of the first sliding block 304 is penetrated by the slide rod 307, and the connection between the first sliding block 304 and the slide rod 307 is sliding connection, one end of the reciprocating screw 306 close to the driving motor 210 is fixedly connected with the second worm 308, the outer sides of the second worm 308 and the driving shaft of the driving motor 210 are fixedly sleeved with the first synchronous wheel 309, and the outer side of the first synchronous wheel 309 is sleeved with the first synchronous belt 310 connected with it.

[0034] Please refer to Figure 2 And 6, the second worm 308 and the winding roller 6 are provided with a connecting assembly 7, the connecting assembly 7 includes an installation shaft 701 rotatably connected with the ultrasonic cleaning tank 1 through a sealing bearing, the outer side of the installation shaft 701 is fixedly sleeved with the second turbine 702 connected with the second worm 308, the outer side of the second turbine 702 is sleeved with the second synchronous wheel 703 on the installation shaft 701, the connecting shaft of the winding roller 6 is fixedly sleeved with the third synchronous wheel 704, and the outer sides of the second synchronous wheel 703 and the third synchronous wheel 704 are sleeved with the second synchronous belt 705 connected with them.

[0035] Please refer to Figure 7 , one end of the installation shaft 701 towards the inside of the ultrasonic cleaning tank 1 is embedded with a rotatable ratchet 706, the connecting shaft of the ratchet 706 is fixedly sleeved with a coil spring 707, and the other end of the coil spring 707 is fixedly connected with the installation shaft 701, the installation shaft 701 and the second synchronous wheel 703 are provided with ratchet grooves at the connection positions of the coil spring 707, and the outer side of the installation shaft 701 is fixedly installed with a limiting ring 708 and two symmetrical limiting blocks 709 at both ends of the second synchronous wheel 703.

[0036] In the embodiment, during the eccentric swing of the bearing tray 201 driven by the driving motor 210, the driving motor 210 drives the reciprocating screw 306 and the second worm 308 to rotate through the first synchronous belt 310 and the first synchronous wheel 309. Under the condition that the second sliding block 305 is threadedly connected with the reciprocating screw 306, the reciprocating screw 306 drives the second sliding block 305 and the brush roller 301 to reciprocate on the bearing tray 201. Under the condition that the gear 302 is meshingly connected with the rack 9 and the brush roller 301 is rotationally connected with the shaft 303, the brush roller 301 rotates through the gear 302 driven by the rack 9 during the translation of the brush roller 301. During the reciprocating rotation of the brush roller 301, the dirt on the surface of the fastener can be brushed off. Under the condition that the second worm 308 is meshingly connected with the second turbine 702, the second worm 308 drives the mounting shaft 701 to rotate. Since the ratchet 706 is clamped at the bent part of the ratchet groove on the second mounting shaft 701 and the ratchet groove on the second synchronous wheel 703 when the mounting shaft 701 rotates, the second synchronous wheel 703 will rotate synchronously with the mounting shaft 701. The third synchronous wheel 704 and the winding roller 6 rotate through the second synchronous belt 705 driven by the rotation of the second synchronous wheel 703. The winding roller 6 rotates to wind the cleaning cloth 5. During the winding of the cleaning cloth 5 by the winding roller 6, the cleaning cloth 5 is in contact with the fastener to rub, so as to take away the dirt on the surface of the fastener, which is beneficial to simultaneously cleaning the front and back surfaces of the fastener, so that the fastener is cleaned more cleanly. When the cleaning cloth 5 on the feeding roller 4 is completely fed, the user stops the machine and reversely rotates the feeding roller 4. Under the action of the ratchet groove on the mounting shaft 701 and the second synchronous wheel 703, the second synchronous wheel 703 reversely rotates to drive the ratchet 706 to reversely rotate and fold into the ratchet groove on the mounting shaft 701, so that the winding roller 6 reversely rotates to feed and the second turbine 702 does not rotate with the second synchronous wheel 703. Embodiment

[0037] Please refer to Figure 3 and Figure 8 , the present embodiment is further illustrated for other embodiments, the lower side of the support plate 203 is located in the ultrasonic cleaning tank 1. The transmission structure 8 is installed, the transmission structure 8 includes a transmission roller 801 rotationally connected with the ultrasonic cleaning tank 1, a plurality of groups of convex plates 802 are fixedly installed on the outer side of the transmission roller 801 and are circumferentially and equidistantly distributed, and the connection between the convex plates 802 and the cleaning cloth 5 is active and fitted.

[0038] In the embodiment, the cleaning cloth 5 is movably attached to the transmission structure 8. During the process of winding the cleaning cloth 5 by the winding roller 6, the cleaning cloth 5 drives the transmission roller 801 to rotate. The convex plates 802 distributed equidistantly on the outer side of the transmission roller 801 rotate around the transmission roller 801 as the center, and strike the cleaning cloth 5, so as to facilitate the dirt attached to the cleaning cloth 5 to be knocked off, thereby playing a role of automatically cleaning the cleaning cloth 5 and prolonging the service life of the cleaning cloth 5.

[0039] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0040] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A production processing apparatus for fasteners, comprising an ultrasonic cleaning tank (1), characterized by: The inside of the ultrasonic cleaning tank (1) is provided with a swing structure (2) for shaking fasteners, the upper side of the swing structure (2) is provided with a brushing assembly (3) inside the ultrasonic cleaning tank (1) for brushing off the surface dirt of the fasteners, the upper end of the ultrasonic cleaning tank (1) is provided with a material feeding roller (4), the cleaning cloth (5) is wound on the material feeding roller (4), and one end of the cleaning cloth (5) inside the ultrasonic cleaning tank (1) is fixedly connected with a winding roller (6); The swing structure (2) comprises a supporting tray (201) mounted inside the ultrasonic cleaning tank (1), two symmetrical guide rollers (202) are rotatably mounted at the bottom of the supporting tray (201) at both ends thereof, two symmetrical through grooves are formed at both ends of the supporting tray (201) at the guide rollers (202), and the cleaning cloth (5) penetrates through the supporting tray (201) through the through grooves, a plurality of groups of support plates (203) are fixedly installed inside the ultrasonic cleaning tank (1) and are equidistantly distributed for supporting the supporting tray (201), and a plurality of groups of equidistantly distributed rolling balls (204) are movably embedded at the upper end of each group of support plates (203); The lower side of the support plate (203) is provided with a transmission structure (8) inside the ultrasonic cleaning tank (1), the transmission structure (8) comprises a transmission roller (801) rotatably connected with the ultrasonic cleaning tank (1), a plurality of groups of convex plates (802) are fixedly installed on the outer side of the transmission roller (801) and are circumferentially equidistantly distributed, and the connection between the convex plates (802) and the cleaning cloth (5) is movably attached.

2. The fastener manufacturing apparatus according to claim 1, wherein: The connection between the rolling ball (204) and the supporting tray (201) is rolling connection, the lower end of the middle two support plates (203) is fixedly welded with a support frame (205), the lower end center of the supporting tray (201) is fixedly welded with a connecting column (206), the lower end of the connecting column (206) is fixedly welded with a rotating disc (207), the center of the connecting column (206) is away from the rotating disc (207), the main shaft of the connecting column (206) is rotatably connected with the support frame (205) through a bearing, the first turbine (208) is fixedly connected at the lower end of the main shaft of the connecting column (206), the first worm (209) is rotatably connected with the support frame (205) through a bearing and is installed on the outer side of the first turbine (208) and is meshingly connected with the first turbine (208), the driving motor (210) is fixedly connected to the left end of the first worm (209) through a shaft coupling, and the driving motor (210) is fixedly installed on the outer side of the ultrasonic cleaning tank (1).

3. The fastener manufacturing apparatus according to claim 2, wherein: The brush assembly (3) comprises a brush roller (301) mounted on the upper side of the bearing tray (201), the outer side of the brush roller (301) is fixedly sleeved with two symmetrical gears (302) at both ends thereof, the outer side of the gear (302) is provided with a rack (9) in engagement therewith, and the rack (9) and the ultrasonic cleaning tank (1) are fixedly welded in connection, the inner center of the brush roller (301) penetrates an axle shaft (303), and the brush roller (301) and the axle shaft (303) are rotationally connected, both ends of the axle shaft (303) are fixedly connected with a first sliding block (304) and a second sliding block (305) respectively.

4. The fastener manufacturing apparatus according to claim 3, wherein: The inner center of the second sliding block (305) penetrates a reciprocating screw (306), and the second sliding block (305) and the reciprocating screw (306) are threadedly connected, the inner center of the first sliding block (304) penetrates a sliding rod (307), and the first sliding block (304) and the sliding rod (307) are slidably connected, one end of the reciprocating screw (306) close to the driving motor (210) is fixedly connected with a second worm (308), the outer sides of the second worm (308) and the driving shaft of the driving motor (210) are fixedly sleeved with a first synchronous wheel (309), and the outer side of the first synchronous wheel (309) is sleeved with a first synchronous belt (310) in engagement therewith.

5. The fastener manufacturing apparatus according to claim 4, wherein: The second worm (308) and the winding roller (6) are provided with a connecting assembly (7), the connecting assembly (7) comprises a mounting shaft (701) rotationally connected with the ultrasonic cleaning tank (1) through a sealing bearing, the outer side of the mounting shaft (701) is fixedly sleeved with a second worm wheel (702) in engagement with the second worm (308), the outer side of the second worm wheel (702) is sleeved with a second synchronous wheel (703) on the mounting shaft (701), the outer side of the connecting shaft of the winding roller (6) is fixedly sleeved with a third synchronous wheel (704), and the outer sides of the second synchronous wheel (703) and the third synchronous wheel (704) are sleeved with a second synchronous belt (705) in engagement therewith.

6. The fastener manufacturing apparatus according to claim 5, wherein: One end of the mounting shaft (701) towards the inner side of the ultrasonic cleaning tank (1) is embedded with a rotatable ratchet (706), the outer side of the connecting shaft of the ratchet (706) is fixedly sleeved with a coil spring (707), one end of the outer side of the coil spring (707) is fixedly connected with the mounting shaft (701), and the mounting shaft (701) and the second synchronous wheel (703) are both provided with ratchet grooves at the connection positions of the mounting shaft (701) and the second synchronous wheel (703) and the coil spring (707), and the outer side of the mounting shaft (701) is fixedly mounted with a limiting ring (708) and two symmetrically distributed limiting blocks (709) at both ends of the second synchronous wheel (703).

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