CN115026056A

CN115026056A - Miniature hardware outward appearance cleaning equipment

Info

Publication number: CN115026056A
Application number: CN202210536131.6A
Authority: CN
Inventors: 毛天宇; 毛军发
Original assignee: YINGTAN HEXING FIBRE COMMUNICATION COMPONENTS CO LTD
Current assignee: YINGTAN HEXING FIBRE COMMUNICATION COMPONENTS CO LTD
Priority date: 2022-05-17
Filing date: 2022-05-17
Publication date: 2022-09-09
Anticipated expiration: 2042-05-17
Also published as: CN115026056B

Abstract

The invention relates to cleaning equipment, in particular to micro hardware appearance cleaning equipment. The invention aims to provide a miniature hardware appearance cleaning device capable of driving hardware to rotate. The invention provides a device for cleaning the appearance of miniature hardware, which comprises a bottom plate, a supporting frame, an installation frame, a large ultrasonic cleaner, a small ultrasonic cleaner, a driving mechanism, a rotating mechanism and a clamping mechanism, wherein the supporting frame is connected between the left side and the right side of the top of the bottom plate, the installation frame is connected to the top of the supporting frame, the large ultrasonic cleaner for cleaning nuts is arranged on the rear side of the top of the bottom plate, and the small ultrasonic cleaner for secondarily cleaning the nuts is arranged on the front right side of the top of the bottom plate. According to the invention, through the meshing of the gear and the rack, the nut can be driven to rotate when entering the large-scale ultrasonic cleaning machine, so that the nut is cleaned more cleanly.

Description

Miniature hardware outward appearance cleaning equipment

Technical Field

The invention relates to cleaning equipment, in particular to micro hardware appearance cleaning equipment.

Background

At present, after the hardware is cleaned, the hardware is generally put into cleaning liquid for cleaning, too many words are put into the hardware at one time, the hardware is not cleaned completely, and after the hardware is cleaned, the hardware needs to be manually taken out a little and is troublesome.

Patent application CN212525205U, published date is 20210212, discloses a hardware belt cleaning device, the power distribution box comprises a box body, the inside of box is provided with the washing tank, and the bilateral symmetry of washing tank is provided with the movable plate, and the top of box runs through the box and extends to its bottom and be provided with the lead screw, and the lead screw runs through the movable plate and rather than threaded connection, and the washing tank passes through the movable plate and slides in the box, and the inside of washing tank is provided with agitating unit. The lifting of the cleaning tank is controlled through the screw rod, so that the hardware can be taken out conveniently. Although the above-mentioned patent can come to take the hardware through the lift of control washing tank, the hardware is motionless in the washing tank, piles up in addition together, can not comprehensive washing, washs unclean.

To the above situation, it is necessary to design a micro hardware surface cleaning device capable of driving the hardware to rotate, so as to solve the above problems.

Disclosure of Invention

The invention aims to overcome the defects that when an existing hardware cleaning device is used for cleaning hardware, the hardware is generally stacked together, cannot be cleaned comprehensively and cannot be cleaned cleanly.

The invention is realized by the following technical approaches:

the utility model provides a miniature hardware outward appearance cleaning device, comprising a base plate, the support frame, the mounting bracket, large-scale ultrasonic cleaner, small-size ultrasonic cleaner, drive mechanism, slewing mechanism and promptly mechanism, be connected with the support frame between the left and right sides at bottom plate top, the top of support frame is connected with the mounting bracket, the top rear side of bottom plate is placed and is used for carrying out abluent large-scale ultrasonic cleaner to the nut, the right front side in top of bottom plate is placed and is used for carrying out the abluent small-size ultrasonic cleaner of secondary to the nut, be equipped with on the mounting bracket and be used for driving nut pivoted drive mechanism, be equipped with the slewing mechanism who is used for driving the nut rotation in the drive mechanism, be equipped with the promptly mechanism that is used for promptly the nut in the slewing mechanism.

As a further preferred scheme, the driving mechanism comprises driving wheels, a transmission belt, a servo motor, a first guide rod, a second guide rod, a U-shaped block and a hemispherical rotating block, the servo motor is connected to the right side of the upper portion of the mounting frame, the driving wheels are connected to an output shaft of the servo motor, the driving wheels are rotatably connected to the middle of the upper portion and the left side of the upper portion of the mounting frame, the transmission belt is wound among the three driving wheels, the first guide rod is connected to the inner top of the mounting frame, the second guide rod is connected to the top of the supporting frame, the second guide rod is located on the lower side of the first guide rod, the U-shaped block is connected to the outer side of the transmission belt at intervals, and the hemispherical rotating block is connected to the outer side of the U-shaped block in a rotating mode.

As a further preferable scheme, the rotating mechanism comprises a rack, a rotating rod and a gear, the rack is connected to the rear side of the top of the supporting frame, the rotating rods are rotatably connected in the hemispherical rotating block and are located between the inner sides of the first guide rod and the second guide rod, the gears are connected to the inner sides of the rotating rods, and the gear is meshed with the rack.

As a further preferred scheme, the grasping mechanism comprises a first connecting plate, grasping hooks and scroll springs, the outer sides of the rotating rods are connected with the first connecting plate, the first connecting plate is connected with four grasping hooks at intervals in a rotating mode, and two scroll springs are connected between each grasping hook and the adjacent first connecting plate.

As a further preferred scheme, still including being used for driving to grab and collude pivoted expanding mechanism, expanding mechanism is including the ejector sleeve, the movable block, first reset spring and drive plate, the middle part of first connecting plate all is connected with the ejector sleeve of slidingtype, the ejector sleeve all is connected with adjacent rotary rod slidingtype, the ejector sleeve inboard all is connected with the movable block, the movable block all is connected with adjacent rotary rod slidingtype, the ejector sleeve inboard all around there is first reset spring, first reset spring's both ends are connected with first connecting plate and movable block respectively, it is connected with the drive plate all to grab between colluding and the adjacent movable block the rotary type, the ejector sleeve outside is all spaced apart and is had logical groove.

As further preferred scheme, still including being used for propping the internal threaded fixed establishment of nut, fixed establishment is including the dead lever, fixed ironbar, shell fragment and extrusion piece, all be connected with the dead lever in the middle of the first connecting plate outside, the equal interval rotary type in the dead lever outside is connected with four fixed ironbars, fixed ironbar all with adjacent ejector sleeve inner wall contact, all be connected with the shell fragment between fixed ironbar and the adjacent dead lever, the top right side of support frame is connected with the extrusion piece, can contact with the extrusion piece when the ejector sleeve rotates.

As a further preferable scheme, the device also comprises a loosening mechanism used for limiting the moving block, the loosening mechanism comprises a second connecting plate and a squeezing plate, the trip, second reset spring and touching piece, the rotary rod outside all is connected with the second connecting plate, the second connecting plate is located first connecting plate inboardly, the rotary rod outside all slidingtype is connected with the stripper plate, the stripper plate is located second connecting plate inboardly, equal interval rotary type is connected with four trips between second connecting plate and the adjacent stripper plate, the movable block can contact with the trip during toward inboard motion, all be connected with second reset spring between second connecting plate and the adjacent stripper plate, second reset spring winds in the rotary rod outside, the left front side in bottom of first guide arm and the left front side in bottom of second guide arm all are connected with the touching piece, the stripper plate rotates can and touches the piece contact, all separate on the movable block and be fluted.

As a further preferable scheme, the device also comprises a collecting box, and the collecting box is placed on the left front side of the top of the bottom plate.

Compared with the prior art, the invention has the following advantages:

1. the grabbing hook can grab the nut, then the nut can be driven to rotate by taking the servo motor as driving force, and the nut can be driven to enter a large-scale ultrasonic cleaning machine and a small-scale ultrasonic cleaning machine in sequence to be cleaned for two times by guiding the rotating rod through the first guide rod and the second guide rod, so that the nut is cleaned more cleanly.

2. According to the invention, through the meshing of the gear and the rack, the nut can be driven to rotate when entering the large-scale ultrasonic cleaning machine, so that the nut is cleaned more cleanly.

3. When the fixing iron bar rotates towards the outer side, the internal thread of the nut can be supported, so that the nut can be fixed, the outer surface of the nut can be comprehensively cleaned, and the situation that the contact part of the grabbing hook and the nut is not cleaned is avoided.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic three-dimensional structure diagram of the driving mechanism and the rotating mechanism of the present invention.

Fig. 3 is a schematic perspective view of the gripping mechanism of the present invention.

Fig. 4 is a perspective sectional view of a gripping mechanism of the present invention.

Fig. 5 is a schematic perspective view of a first opening mechanism of the present invention.

Fig. 6 is a schematic perspective view of a second opening mechanism of the present invention.

Fig. 7 is a perspective sectional view of the opening mechanism of the present invention.

Fig. 8 is an enlarged view of part a of the present invention.

Fig. 9 is a schematic partial perspective view of the release mechanism of the present invention.

Fig. 10 is an enlarged view of part B of the present invention.

Wherein: 1-a bottom plate, 2-a support frame, 3-a mounting frame, 4-a large ultrasonic cleaner, 5-a small ultrasonic cleaner, 6-a driving mechanism, 61-a driving wheel, 62-a transmission belt, 63-a servo motor, 64-a first guide rod, 65-a second guide rod, 66-a U-shaped block, 67-a hemispherical rotating block, 7-a rotating mechanism, 71-a rack, 72-a rotating rod, 73-a gear, 8-a grasping mechanism, 81-a first connecting plate, 82-a grasping hook, 83-a volute spring, 9-an opening mechanism, 91-a push pipe, 92-a moving block, 93-a first return spring, 94-a driving plate, 95-a through groove, 10-a fixing mechanism, 101-a fixing rod, 102-a fixing iron bar, 103-spring plate, 104-extrusion block, 11-release mechanism, 111-second connecting plate, 112-extrusion plate, 113-trip, 114-second reset spring, 115-touch block, 116-groove and 12-collecting box.

Detailed Description

The invention is further illustrated by the following specific examples in which, unless otherwise explicitly stated and limited, terms such as: the arrangement, installation, connection are to be understood broadly, for example, they may be fixed, detachable, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

The utility model provides a miniature hardware outward appearance cleaning equipment, refer to fig. 1-4, including bottom plate 1, support frame 2, mounting bracket 3, large-scale ultrasonic cleaner 4, small-size ultrasonic cleaner 5, actuating mechanism 6, slewing mechanism 7 and grasping mechanism 8, be connected with support frame 2 between the left and right sides at bottom plate 1 top, the top welding of support frame 2 has mounting bracket 3, large-scale ultrasonic cleaner 4 has been placed to the top rear side of bottom plate 1, small-size ultrasonic cleaner 5 has been placed to the right front side in top of bottom plate 1, when the nut got into large-scale ultrasonic cleaner 4 and small-size ultrasonic cleaner 5, large-scale ultrasonic cleaner 4 and small-size ultrasonic cleaner 5 can wash the nut twice, be equipped with actuating mechanism 6 on the mounting bracket 3, be equipped with slewing mechanism 7 on the actuating mechanism 6, be equipped with grasping mechanism 8 on slewing mechanism 7.

Referring to fig. 1-3, the driving mechanism 6 includes a driving wheel 61, a transmission belt 62, a servo motor 63, a first guide rod 64, a second guide rod 65, a U-shaped block 66 and a hemisphere rotating block 67, the servo motor 63 is bolted to the right side of the upper portion of the mounting frame 3, the driving wheel 61 is connected to an output shaft of the servo motor 63, the driving wheel 61 is rotatably connected to the middle of the upper portion and the left side of the upper portion of the mounting frame 3, the transmission belt 62 is wound between the three driving wheels 61, the inner top of the mounting frame 3 is connected with the first guide rod 64, the top of the support frame 2 is connected with the second guide rod 65, the second guide rod 65 is located at the lower side of the first guide rod 64, the U-shaped block 66 is connected to the outer side of the transmission belt 62 at intervals, and the hemisphere rotating block 67 is rotatably connected to the outer side of the U-shaped block 66.

Referring to fig. 1 and 3, the rotating mechanism 7 includes a rack 71, a rotating rod 72 and a gear 73, the rack 71 is connected to the rear side of the top of the supporting frame 2, the rotating rod 72 is rotatably connected in the hemispherical rotating block 67, when the rotating rod 72 rotates and rotates, the nut can be driven to rotate and rotate, the rotating rod 72 is located between the inner sides of the first guide rod 64 and the second guide rod 65, the gear 73 is connected to the inner side of the rotating rod 72, and the gear 73 is engaged with the rack 71.

Referring to fig. 2-4, the grasping mechanism 8 includes a first connecting plate 81, grasping hooks 82 and volute springs 83, the first connecting plate 81 is welded on the outer side of the rotating rod 72, four grasping hooks 82 are connected to the first connecting plate 81 at intervals in a rotating manner, the grasping hooks 82 can grasp the nut, and two volute springs 83 are connected between each grasping hook 82 and the adjacent first connecting plate 81.

When people need to use the device, firstly, the device is placed at a designated position, then a proper amount of water is respectively placed in the large ultrasonic cleaning machine 4 and the small ultrasonic cleaning machine 5, then the large ultrasonic cleaning machine 4 and the small ultrasonic cleaning machine 5 are started, then the nut is placed between the adjacent grabbing hooks 82, then one nut is pushed towards the direction close to the first connecting plate 81, the nut can extrude the grabbing hooks 82 to rotate, the volute spring 83 deforms, when the nut passes over the grabbing hooks 82, the volute spring 83 restores to the original state, the grabbing hooks 82 are driven to reversely rotate and reset, the grabbing hooks 82 grab the nut, then the servo motor 63 is started, the rotating speed of the output shaft of the servo motor 63 is slow, the output shaft of the servo motor 63 can drive the driving wheel 61 and the transmission belt 62 to rotate, and the transmission belt 62 can drive the U-shaped block 66 and the hemispherical rotating block 67 to rotate, so as to drive the rotating rod 72, the rotating rod and the rotating rod to rotate, The first connecting plate 81 and the grabbing hook 82 rotate, the grabbing hook 82 drives the nut to rotate, meanwhile, under the guiding action of the first guide rod 64 and the second guide rod 65, the nut can be driven to swing up and down intermittently, when the rotating rod 72 swings down for the first time, the nut can be driven to swing down to enter the large ultrasonic cleaning machine 4, the large ultrasonic cleaning machine 4 can clean the nut, at the moment, the gear 73 is meshed with the rack 71, the rack 71 drives the gear 73 to rotate, so that the rotating rod 72, the first connecting plate 81 and the grabbing hook 82 are driven to rotate, the grabbing hook 82 drives the nut to rotate, so that the nut is cleaned more cleanly, when the rotating rod 72 swings up for the first time, the nut can be driven to swing up to leave the large ultrasonic cleaning machine 4, at the moment, the gear 73 is separated from the rack 71, the nut stops rotating, when the rotating rod 72 swings down for the second time, the nut is driven to swing downwards to enter the small ultrasonic cleaner 5 for secondary cleaning, when the rotating rod 72 swings upwards for the second time, the nut is driven to swing upwards to leave the small ultrasonic cleaner 5, then, one can pull the nut away from the first connection plate 81, the nut will press the hook 82 to rotate, the spiral spring 83 will deform, when the nut is separated from the hook 82, the spiral spring 83 is restored to the original state, and drives the hook 82 to rotate reversely and reset, then, a new nut is manually placed between the adjacent four catching hooks 82, so that the catching hooks 82 catch the nut, and the process is repeated, the nut can be continuously cleaned, when people do not need to use the device, the servo motor 63, the large ultrasonic cleaning machine 4 and the small ultrasonic cleaning machine 5 are closed, and finally, water in the large ultrasonic cleaning machine 4 and the small ultrasonic cleaning machine 5 is poured.

Example 2

On the basis of embodiment 1, referring to fig. 5 and 6, the device further comprises an opening mechanism 9, the opening mechanism 9 comprises a push pipe 91, a moving block 92, a first return spring 93 and a driving plate 94, the push pipe 91 is slidably connected to the middle of the first connecting plate 81, the push pipe 91 is slidably connected to the adjacent rotating rod 72, the moving block 92 is welded to the inner side of the push pipe 91, the moving block 92 is slidably connected to the adjacent rotating rod 72, the first return spring 93 is wound around the inner side of the push pipe 91, two ends of the first return spring 93 are respectively connected to the first connecting plate 81 and the moving block 92, the driving plate 94 is rotatably connected between the grab hook 82 and the adjacent moving block 92, when the moving block 92 moves inward, the grabbing hooks 82 can be driven to rotate through the driving plate 94, so that people can conveniently place nuts between the four adjacent grabbing hooks 82, and the through grooves 95 are formed in the outer side of the push pipe 91 at intervals.

If the volume of the nut is slightly large, the grabbing hooks 82 cannot be directly extruded to rotate, therefore, when people need to put the nut between the four adjacent grabbing hooks 82, the nut is sleeved on the push pipe 91, the push pipe 91 is pushed inwards, the push pipe 91 drives the moving block 92 to move inwards, the first return spring 93 is stretched, the moving block 92 can drive the grabbing hooks 82 to rotate through the driving plate 94, the scroll spring 83 deforms, then people can push the nut between the four adjacent grabbing hooks 82, the push pipe 91 is loosened, the first return spring 93 returns to the original state to drive the push pipe 91 and the moving block 92 to move outwards to reset, meanwhile, the scroll spring 83 returns to the original state to drive the grabbing hooks 82 to reversely rotate to grab the nut, then the nut can be cleaned, and after the cleaning is completed, the nut can be taken out by repeating the operations.

Referring to fig. 5, fig. 7 and fig. 8, still include fixed establishment 10, fixed establishment 10 is including dead lever 101, fixed ironbar 102, shell fragment 103 and extrusion piece 104, all be connected with dead lever 101 in the middle of the first connecting plate 81 outside, the equal interval rotary type in dead lever 101 outside is connected with four fixed ironbars 102, fixed ironbar 102 all contacts with adjacent ejector pin 91 inner wall, can prop the internal thread of nut when fixed ironbar 102 rotates toward the outside, thereby fixation nut's position, all be connected with shell fragment 103 between fixed ironbar 102 and the adjacent dead lever 101, the welding of the top right side of support frame 2 has extrusion piece 104, can contact with extrusion piece 104 when ejector pin 91 rotates.

Referring to fig. 5, 6, 9 and 10, the device further includes a loosening mechanism 11, the loosening mechanism 11 includes a second connecting plate 111, a pressing plate 112, a hook 113, a second return spring 114 and a contact block 115, the second connecting plate 111 is welded to the outer side of the rotating rod 72, the second connecting plate 111 is located at the inner side of the first connecting plate 81, the pressing plate 112 is slidably connected to the outer side of the rotating rod 72, the pressing plate 112 is located at the inner side of the second connecting plate 111, four hooks 113 are rotatably connected between the second connecting plate 111 and the adjacent pressing plate 112 at intervals, the moving block 92 contacts with the hook 113 when moving inwards, so that the moving block 92 can be limited, the second return spring 114 is connected between the second connecting plate 111 and the adjacent pressing plate 112, the second return spring 114 is wound around the outer side of the rotating rod 72, the left front side of the bottom of the first guide rod 64 and the left front side of the bottom of the second guide rod 65 are both connected with the contact block 115, the pressing plate 112 rotates to contact the touch block 115, and the moving blocks 92 are spaced by grooves 116.

Initially, the push tube 91 blocks the outside of the fixed iron bar 102, the elastic sheet 103 is in a deformation state, when the rotating rod 72 rotates, the first connecting plate 81 and the extrusion plate 112 are driven to rotate, the first connecting plate 81 can drive the nut to rotate, so that the nut can enter the large ultrasonic cleaner 4 for cleaning, meanwhile, the first connecting plate 81 can drive the push tube 91 to rotate, then the nut can be far away from the large ultrasonic cleaner 4, when the push tube 91 contacts with the extrusion block 104, the extrusion block 104 can extrude the push tube 91 to move inwards to the maximum stroke, the push tube 91 drives the moving block 92 to move inwards to the maximum stroke, the first return spring 93 is stretched, when the moving block 92 contacts with the hook 113, the extrusion hook 113 rotates, the hook 113 drives the extrusion plate 112 to move outwards, the second return spring 114 is compressed, and when the hook 113 is aligned with the groove 116, the second return spring 114 is restored to the original state, the extrusion plate 112 is driven to move inwards to reset, the extrusion plate 112 drives the clamping hook 113 to rotate reversely to reset and clamp the groove 116, so that the moving block 92 can be limited, meanwhile, the moving block 92 can drive the grabbing hook 82 to rotate through the driving plate 94, the volute spring 83 deforms, the grabbing hook 82 loosens the nut, meanwhile, the fixed iron bar 102 is aligned with the through groove 95, the elastic sheet 103 is restored to the original state, the fixed iron bar 102 is driven to rotate outwards, the fixed iron bar 102 supports the internal thread of the nut, so that the nut can be fixed, then the nut can enter the small ultrasonic cleaning machine 5 to be cleaned, so that the outer surface of the nut can be comprehensively cleaned, then the nut can be far away from the small ultrasonic cleaning machine 5, when the extrusion plate 112 is in contact with the contact block 115, under the effect of the inclined plane, the contact block 115 can drive the extrusion plate 112 to move outwards, and the second reset spring 114 compresses, the stripper plate 112 drives the trip 113 to rotate, make the trip 113 loosen the movable block 92, first reset spring 93 restores to the original state, drive ejector sleeve 91 and movable block 92 and reset toward the lateral motion, ejector sleeve 91 extrudes fixed ironbar 102 and resets toward the medial rotation, the shell fragment 103 takes place deformation, make fixed ironbar 102 loosen the nut, under the effect of gravity, the nut that washs can drop down, collect by the manual work, volute spring 83 can the reconversion simultaneously, drive and grab hook 82 reversal and reset, so can avoid grabbing the place of hook 82 and nut contact not by the sanitization.

Referring to fig. 1, a collecting box 12 is further included, and the collecting box 12 is placed on the left front side of the top of the bottom plate 1.

The collection box 12 is capable of collecting the cleaned nuts.

The technical principle of the embodiment of the present invention is described above in conjunction with the specific embodiments. The description is only intended to explain the principles of embodiments of the invention and should not be taken in any way as limiting the scope of the embodiments of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other specific embodiments of the present invention without inventive step, and such embodiments will fall within the scope of the embodiments of the present invention.

Claims

1. A cleaning device for the appearance of miniature hardware comprises a bottom plate (1), a support frame (2), a mounting frame (3), a large ultrasonic cleaning machine (4) and a small ultrasonic cleaning machine (5), wherein the support frame (2) is connected between the left side and the right side of the top of the bottom plate (1), the mounting frame (3) is connected with the top of the support frame (2), the large ultrasonic cleaning machine (4) used for cleaning nuts is placed on the rear side of the top of the bottom plate (1), the small ultrasonic cleaning machine (5) used for carrying out secondary cleaning on the nuts is placed on the right front side of the top of the bottom plate (1), the cleaning device is characterized by further comprising a driving mechanism (6), a rotating mechanism (7) and a grasping mechanism (8), the driving mechanism (6) used for driving the nuts to rotate is arranged on the mounting frame (3), the rotating mechanism (7) used for driving the nuts to rotate is arranged on the driving mechanism (6), the rotating mechanism (7) is provided with a grasping mechanism (8) for grasping the nut.

2. The miniature hardware surface cleaning equipment according to claim 1, wherein the driving mechanism (6) comprises driving wheels (61), a transmission belt (62), a servo motor (63), a first guide rod (64), a second guide rod (65), U-shaped blocks (66) and a hemispherical rotating block (67), the servo motor (63) is connected to the right side of the upper portion of the mounting frame (3), the driving wheels (61) are connected to the output shaft of the servo motor (63), the driving wheels (61) are rotatably connected to the middle of the upper portion and the left side of the upper portion of the mounting frame (3), the transmission belt (62) is wound among the three driving wheels (61), the first guide rod (64) is connected to the inner top of the mounting frame (3), the second guide rod (65) is connected to the top of the support frame (2), the second guide rod (65) is positioned on the lower side of the first guide rod (64), the U-shaped blocks (66) are connected to the outer side of the transmission belt (62) at intervals, the outer sides of the U-shaped blocks (66) are rotatably connected with hemispherical rotating blocks (67).

3. The miniature hardware appearance cleaning device according to claim 2, wherein the rotating mechanism (7) comprises a rack (71), a rotating rod (72) and a gear (73), the rack (71) is connected to the rear side of the top of the support frame (2), the rotating rod (72) is rotatably connected in the hemispherical rotating block (67), the rotating rod (72) is located between the inner sides of the first guide rod (64) and the second guide rod (65), the gear (73) is connected to the inner side of the rotating rod (72), and the gear (73) is meshed with the rack (71).

4. A micro-hardware exterior cleaning device according to claim 3, wherein the grasping mechanism (8) comprises a first connecting plate (81), grasping hooks (82) and scroll springs (83), the first connecting plate (81) is connected to the outer side of the rotating rod (72), four grasping hooks (82) are rotatably connected to the first connecting plate (81) at intervals, and two scroll springs (83) are connected between each grasping hook (82) and the adjacent first connecting plate (81).

5. The device for cleaning the appearance of the micro hardware as claimed in claim 4, further comprising an opening mechanism (9) for driving the grabbing hook (82) to rotate, wherein the opening mechanism (9) comprises a push pipe (91), a moving block (92), a first return spring (93) and a driving plate (94), the push pipe (91) is connected to the middle of the first connecting plate (81) in a sliding manner, the push pipe (91) is connected to the adjacent rotating rod (72) in a sliding manner, the moving block (92) is connected to the inner side of the push pipe (91) in a sliding manner, the moving block (92) is connected to the adjacent rotating rod (72) in a sliding manner, the first return spring (93) is wound around the inner side of the push pipe (91), two ends of the first return spring (93) are respectively connected to the first connecting plate (81) and the moving block (92), the grabbing hook (82) and the adjacent moving block (92) are connected to the driving plate (94) in a rotating manner, through grooves (95) are arranged on the outer sides of the push pipes (91) at intervals.

6. The miniature hardware appearance cleaning equipment according to claim 5, further comprising a fixing mechanism (10) for supporting the internal thread of the nut, wherein the fixing mechanism (10) comprises a fixing rod (101), a fixing iron bar (102), an elastic sheet (103) and an extrusion block (104), the fixing rod (101) is connected to the middle of the outer side of the first connecting plate (81), four fixing iron bars (102) are rotatably connected to the outer side of the fixing rod (101) at intervals, the fixing iron bar (102) is in contact with the inner wall of the adjacent push pipe (91), the elastic sheet (103) is connected between the fixing iron bar (102) and the adjacent fixing rod (101), the extrusion block (104) is connected to the right side of the top of the support frame (2), and the push pipe (91) is in contact with the extrusion block (104) when rotating.

7. The device for cleaning the appearance of the micro hardware as claimed in claim 6, further comprising a loosening mechanism (11) for limiting the moving block (92), wherein the loosening mechanism (11) comprises a second connecting plate (111), a pressing plate (112), a hook (113), a second return spring (114) and a touch block (115), the second connecting plate (111) is connected to the outer side of the rotating rod (72), the second connecting plate (111) is located on the inner side of the first connecting plate (81), the pressing plate (112) is connected to the outer side of the rotating rod (72) in a sliding manner, the pressing plate (112) is located on the inner side of the second connecting plate (111), four hooks (113) are rotatably connected between the second connecting plate (111) and the adjacent pressing plate (112) at intervals, the moving block (92) contacts with the hook (113) when moving inwards, the second return spring (114) is connected between the second connecting plate (111) and the adjacent pressing plate (112), the second return spring (114) is wound on the outer side of the rotating rod (72), the left front side of the bottom of the first guide rod (64) and the left front side of the bottom of the second guide rod (65) are both connected with a touch block (115), the extrusion plate (112) rotates to be in contact with the touch block (115), and grooves (116) are formed in the moving block (92) at intervals.

8. A miniature hardware surface cleaning apparatus as claimed in claim 7, further comprising a collection bin (12), the collection bin (12) being disposed on the left front side of the top of the base plate (1).