CN213727460U

CN213727460U - Surface anti-rust coating device for processing fastener

Info

Publication number: CN213727460U
Application number: CN202022241624.6U
Authority: CN
Inventors: 黄福田
Original assignee: Avic Shixin Installation Engineering Beijing Co ltd
Current assignee: Avic Shixin Installation Engineering Beijing Co ltd
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2021-07-20
Anticipated expiration: 2030-10-10

Abstract

The utility model relates to a fastener processing technology field just discloses a surface antirust layer coating device for fastener processing, comprising a base plate, bottom plate top fixedly connected with rust-resistant oil tank, two supports of top fixedly connected with of bottom plate, two one side that the support is relative is rotated and is connected with the integrated into one piece threaded rod, the threaded rod right-hand member runs through and rotates the right-hand member of connecting in the right side support, the right side fixedly connected with servo motor of support, servo motor's output passes through the right-hand member of shaft coupling fixed connection in the threaded rod. The utility model discloses a, through bottom plate top fixed connection in the bottom of rust-resistant oil tank, the bottom fixed connection of bottom plate supports the threaded rod in the bottom of two supports, and two supports start servo motor, drive the thread bush along the threaded rod side-to-side movement, and the pneumatic cylinder that the thread bush drove the bottom is followed the thread bush and is synchronous motion to it is lower to have realized that the device possesses the energy consumption, advantages such as reduction in production cost.

Description

Surface anti-rust coating device for processing fastener

Technical Field

The utility model relates to a fastener processing technology field specifically is a surface antirust coat coating device is used in fastener processing.

Background

Corrosion is one of the main forms of fastener destruction, causing significant losses to automobiles, motorcycles, and various vehicles and machinery, and the direct economic loss due to metal corrosion accounts for about 2% -4% of the total value of national economy every year.

In order to avoid corrosion and reduce loss, various methods such as electroplating, hot dip galvanizing and the like are adopted, but electroplating energy consumption is huge, part of fastener enterprises do not have electroplating capacity, an electroplating factory is required to carry out electroplating operation, so that the production cost of the enterprises is directly increased, the production period of products is increased, and in some relatively dry environments with low corrosivity, the fasteners do not need high corrosion resistance, and high-cost electroplating is not needed, so that the surface antirust layer coating device for fastener processing is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To prior art not enough, the utility model provides a surface antirust layer coating device is used in fastener processing, it is lower to possess the energy consumption, advantages such as reduction in production cost, it is huge to have solved the electroplating energy consumption, some fastener enterprises do not possess the electroplating ability, need entrust the electroplating factory and electroplate the operation, the manufacturing cost of the enterprise of direct increase like this, increase product production cycle, and in the not high relative dry's of some corrosivity environment, the fastener does not need very high anticorrosive ability, just it is unnecessary to carry out the problem of costly electroplating.

(II) technical scheme

For realizing that above-mentioned energy consumption is lower, reduction in production cost's purpose, the utility model provides a following technical scheme: a surface antirust layer coating device for processing fasteners comprises a bottom plate, wherein an antirust oil tank is fixedly connected to the top of the bottom plate, two supports are fixedly connected to the top of the bottom plate, one opposite side of the two supports is rotatably connected with an integrally formed threaded rod, the right end of the threaded rod penetrates through and is rotatably connected to the right end of a right side support, a servo motor is fixedly connected to the right side of the right side support, the output end of the servo motor is fixedly connected to the right end of the threaded rod through a coupler, a threaded sleeve in threaded connection with the threaded rod is sleeved on the outer side of the threaded rod, a limiting device is arranged at the top of the threaded sleeve, a hydraulic cylinder is fixedly connected to the bottom of the threaded sleeve, a movable hook is fixedly connected to the bottom end of the hydraulic cylinder, a power motor is embedded, the top of transfer line runs through and the inside of swivelling joint to rust-resistant oil tank, the top fixedly connected with round platform of transfer line, the top of round platform is provided with soaks a section of thick bamboo, the top fixedly connected with liquid reserve tank of bottom plate, be provided with transmission device between liquid reserve tank and the rust-resistant oil tank.

Preferably, stop device includes position sleeve and slide bar, the bottom fixed connection of position sleeve is in the top of thread bush, the inside sliding connection of position sleeve is in the outside of slide bar, both ends fixed connection respectively in the relative one side of two supports about the slide bar.

Preferably, transmission device includes four solenoid valves, four return bends and water pump, and the top is two the equal fixed connection in one end that the return bend is close to each other is to the water pump output, and the top is two the one end that the return bend was kept away from each other runs through respectively and fixed connection in the inside of rust-resistant oil tank and liquid reserve tank, two in the bottom the equal fixed connection in the input of water pump of one end that the return bend is close to each other, two in the bottom the one end that the return bend was kept away from each other is fixed connection in the inside of rust-resistant oil tank and liquid reserve tank, four respectively the solenoid valve is fixed connection in the outside of four return bends respectively.

Preferably, the inside fixedly connected with filter mantle of liquid reserve tank, the filter mantle is located the right side of right side bottom return bend, the right side fixedly connected with of liquid reserve tank has the blow off pipe of valve.

Preferably, the top of the bottom plate is fixedly connected with a bearing pad, the bearing pad is hollow, and the top of the bearing pad is fixedly connected with a filter plate.

Preferably, the activity pothook includes two hooks and reset spring, two rectangular channels and logical groove have been seted up to the bottom of pneumatic cylinder, two the rectangular channel is linked together with logical groove, two the hook articulates in the inside of two rectangular channels, two one side that the hook is relative is fixed connection in both ends about two reset spring respectively, reset spring is located the inside that leads to the groove, soak two mounts of a section of thick bamboo top fixedly connected with, two the mount cooperatees with two hooks respectively.

(III) advantageous effects

Compared with the prior art, the utility model provides a surface antirust layer coating device is used in fastener processing possesses following beneficial effect:

1. the surface antirust layer coating device for processing the fastener is fixedly connected to the bottom of an antirust oil tank through the top of a bottom plate, the bottom of the bottom plate is fixedly connected to the bottom ends of two supports, the two supports support a threaded rod, a servo motor is started to drive a threaded sleeve to move left and right along the threaded rod, the threaded sleeve drives a hydraulic cylinder at the bottom to move synchronously along with the threaded sleeve, a hydraulic cylinder is started, the hydraulic cylinder drives a movable clamping hook at the bottom to move downwards, the movable clamping hook blocks an immersion cylinder, the hydraulic cylinder drives the movable clamping hook to lift the immersion cylinder, the servo motor drives the threaded rod to rotate at the moment so as to drive the threaded sleeve to rotate, the threaded sleeve drives the hydraulic cylinder to move to the position right above the antirust oil tank, then the hydraulic cylinder drives the movable clamping hook to place the immersion cylinder on a round platform in the antirust oil tank, the movable clamping hook is, the soaking cylinder is completely immersed in the rust preventive oil, the power motor is started to drive the transmission rod to rotate, the transmission rod drives the soaking cylinder on the circular table to rotate, the fastener in the soaking cylinder is fully contacted with the rust preventive oil, the power motor is closed after soaking is finished, the transmission device is started again to pump the rust preventive oil in the rust preventive oil tank back to the liquid storage tank, the soaking cylinder is completely exposed, the power motor is started again to drive the soaking cylinder to rotate at the moment, redundant liquid on the fastener in the soaking cylinder is thrown out, coating and draining of the fastener are finished, the device has the advantages of low energy consumption, low production cost and the like, the problems that electroplating energy consumption is huge, a part of fastener enterprises do not have electroplating capacity, an electroplating factory is required to conduct electroplating operation are solved, the production cost of the enterprises which is directly increased is solved, the production period of products is prolonged, and in relatively dry environments with low corrosivity are solved, the fastener does not need high corrosion resistance, and the problem of high-cost electroplating is solved.

2. This surface antirust coat coating device is used in fastener processing through the cooperation of position sleeve and slide bar for stop device assists the thread bush more stable when moving, makes it along the straight line operation.

3. This surface antirust layer coating device is used in fastener processing, uses through the cooperation of four solenoid valves, four return bends and water pump, when needs are with the inside liquid suction liquid reserve tank of rust-resistant oil tank, only need open top right side and the left solenoid valve in bottom, then open the water pump can, when needs are with the inside liquid suction of liquid reserve tank during rust-resistant oil tank is inside, only need open the solenoid valve on top left side and bottom right side, then start the water pump can.

4. This surface antirust layer coating device is used in fastener processing is located the right side of right side bottom return bend through the filter mantle, can be so that rust-preventive oil when the circulation, with the remaining impurity of inside soaking fastener get rid of to conveniently discharge filterable impurity through the blow off pipe, guarantee the finished product quality of device coating operation.

5. This surface antirust layer coating device is used in fastener processing, uses through the cooperation of the pad of holding and the filter, takes out after soaking a section of thick bamboo driping and places on the filter, prevents to drip antirust oil to external ground to cause the waste.

6. This surface antirust layer coating device is used in fastener processing, through two crotch, reset spring, two rectangular channels and the cooperation that leads to the groove are used to two mounts cooperate with two crotch respectively, thereby make the device conveniently articulate and soak a section of thick bamboo, make the device operation more convenient.

7. This surface antirust layer coating device is used in fastener processing sets up evenly distributed's through-hole in soaking a section of thick bamboo outside for inside rust-preventive oil is even more smooth entering soaking a section of thick bamboo, and recess and round platform cooperation are used and are made soaking a section of thick bamboo rotatory time more stable simultaneously.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the structure A in FIG. 1;

FIG. 3 is an enlarged view of the structure B in FIG. 1;

fig. 4 is a schematic right-view section view of the structure of the immersion cylinder of the present invention.

In the figure: 1. a base plate; 2. an antirust oil tank; 3. a support; 4. a threaded rod; 5. a servo motor; 6. a threaded sleeve; 7. a hydraulic cylinder; 71. a rectangular groove; 72. a through groove; 8. a movable hook; 81. hooking; 82. a return spring; 9. a power motor; 10. a transmission rod; 11. a circular truncated cone; 12. a soaking cylinder; 121. a fixed mount; 122. a groove; 13. a liquid storage tank; 131. a filter housing; 14. a transmission device; 141. an electromagnetic valve; 142. bending the pipe; 143. a water pump; 15. a limiting device; 151. a positioning sleeve; 152. a slide bar; 16. a bearing pad; 161. a filter plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a surface antirust coating device for processing a fastener comprises a bottom plate 1, an antirust oil tank 2 is fixedly connected to the top of the bottom plate 1, two brackets 3 are fixedly connected to the top of the bottom plate 1, an integrally formed threaded rod 4 is rotatably connected to one side of each of the two brackets 3, the right end of the threaded rod 4 penetrates through and is rotatably connected to the right end of the right bracket 3, a servo motor 5 is fixedly connected to the right side of the right bracket 3, the output end of the servo motor 5 is fixedly connected to the right end of the threaded rod 4 through a coupler, a threaded sleeve 6 in threaded connection with the threaded rod 4 is sleeved on the outer side of the threaded rod 4, a limiting device 15 is arranged at the top of the threaded sleeve 6, a hydraulic cylinder 7 is fixedly connected to the bottom of the threaded sleeve 6, a movable hook 8 is fixedly connected to the bottom end of the hydraulic cylinder 7, a power motor 9 is embedded in the top of the bottom plate 1, and a transmission rod 10 is fixedly connected to the output shaft of the power motor 9 through a coupler, the top end of a transmission rod 10 penetrates through and is rotatably connected to the interior of an antirust oil tank 2, the top end of the transmission rod 10 is fixedly connected with a circular truncated cone 11, the top of the circular truncated cone 11 is provided with a soaking cylinder 12, the top of a bottom plate 1 is fixedly connected with a liquid storage tank 13, a transmission device 14 is arranged between the liquid storage tank 13 and the antirust oil tank 2 and is fixedly connected to the bottom of the antirust oil tank 2 through the top of the bottom plate 1, the bottom of the bottom plate 1 is fixedly connected to the bottom ends of two brackets 3, the two brackets 3 support a threaded rod 4, a servo motor 5 is started to drive a threaded sleeve 6 to move left and right along the threaded rod 4, the threaded sleeve 6 drives a hydraulic cylinder 7 at the bottom to synchronously move along the threaded sleeve 6, the hydraulic cylinder 7 is started to drive a movable hook 8 at the bottom to move downwards, the movable hook 8 blocks the soaking cylinder 12, the hydraulic cylinder 7 drives the movable hook 8 to lift the soaking cylinder 12, and the servo motor 5 drives the threaded rod 4 to rotate at the moment, thereby driving the thread bushing 6 to rotate, the thread bushing 6 driving the hydraulic cylinder 7 to move right above the rust-proof oil tank 2, then the hydraulic cylinder 7 driving the movable hook 8 to place the immersion cylinder 12 on the circular table 11 inside the rust-proof oil tank 2, manually retracting the movable hook 8, at this time starting the transmission device 14 to pump the rust-proof oil in the liquid storage tank 13 into the rust-proof oil tank 2, so that the immersion cylinder 12 is completely immersed in the rust-proof oil, starting the power motor 9 with the transmission rod 10 to rotate, the transmission rod 10 driving the immersion cylinder 12 on the circular table 11 to rotate, making the fasteners inside fully contacted with the rust-proof oil, when immersion is completed, closing the power motor 9, starting the transmission device 14 again to pump the rust-proof oil inside the rust-proof oil tank 2 back into the liquid storage tank 13, making the immersion cylinder 12 completely exposed, at this time starting the power motor 9 again to drive the immersion cylinder 12 to rotate, making the redundant liquid on the fasteners inside thrown out, thereby accomplish the coating and the driping of fastener, thereby it is lower to have realized that the device possesses the energy consumption, advantages such as reduction in production cost, it is huge to have solved the electroplating energy consumption, and some fastener enterprises do not have the electroplating ability, need entrust the electroplating plant and carry out the electroplating operation, the manufacturing cost of the enterprise of direct increase like this increases product production cycle, and in some corrosive nature not high relatively dry environment, the fastener does not need very high anticorrosive ability, just does not need to carry out the problem of costly electroplating.

Furthermore, stop device 15 includes position sleeve 151 and slide bar 152, and the bottom fixed connection of position sleeve 151 is in the top of thread bush 6, and the inside sliding connection of position sleeve 151 is in the outside of slide bar 152, and the left and right ends of slide bar 152 are fixed connection respectively in the relative one side of two supports 3, uses through the cooperation of position sleeve 151 and slide bar 152 for stop device 15 assists thread bush 6 more stable when the motion, makes it along rectilinear motion.

Further, the transmission device 14 includes four electromagnetic valves 141, four elbows 142 and a water pump 143, one ends of the two elbows 142 at the top close to each other are all fixedly connected to the output end of the water pump 143, one ends of the two elbows 142 at the top far from each other penetrate and are fixedly connected to the interiors of the rust-proof oil tank 2 and the liquid storage tank 13 respectively, one ends of the two elbows 142 at the bottom close to each other are all fixedly connected to the input end of the water pump 143, one ends of the two elbows 142 at the bottom far from each other are fixedly connected to the interiors of the rust-proof oil tank 2 and the liquid storage tank 13 respectively, the four electromagnetic valves 141 are fixedly connected to the outer sides of the four elbows 142 respectively, through the cooperation of the four electromagnetic valves 141, the four elbows 142 and the water pump 143, when the liquid in the rust-proof oil tank 2 needs to be pumped into the liquid storage tank 13, only the electromagnetic valves 141 at the right side of the top and the left side of the bottom need to be opened, then the water pump 143 can, when the liquid in the liquid storage tank 13 needs to be pumped into the interior of the rust-proof oil tank 2, it is only necessary to open the electromagnetic valves 141 on the top left and bottom right and then start the water pump 143.

Further, the inside fixedly connected with filter mantle 131 of liquid reserve tank 13, filter mantle 131 are located the right side of right side bottom return bend 142, and the right side fixedly connected with of liquid reserve tank 13 has the blow off pipe of valve, is located the right side of right side bottom return bend 142 through filter mantle 131, can be so that rust-preventive oil when circulating, will inside soak the remaining impurity of fastener and get rid of to conveniently discharge filterable impurity through the blow off pipe, guarantee the finished product quality of device coating operation.

Further, the top fixedly connected with of bottom plate 1 holds pad 16, holds pad 16 and is hollow, holds the top fixedly connected with filter 161 of pad 16, uses through the cooperation of holding pad 16 and filter 161, takes out after soaking a section of thick bamboo 12 driping and places on filter 161, prevents to drip antirust oil to external ground to cause the waste.

Further, the movable hook 8 includes two hooks 81 and a return spring 82, two rectangular channels 71 and a through groove 72 have been seted up to the bottom of pneumatic cylinder 7, two rectangular channels 71 and a through groove 72 are linked together, two hooks 81 articulate in the inside of two rectangular channels 71, one side that two hooks 81 are relative is fixed connection in both ends about two return springs 82 respectively, return spring 82 is located the inside that leads to groove 72, soak two mounts 121 of a section of thick bamboo 12 top fixedly connected with, two mounts 121 cooperate with two hooks 81 respectively, through two hooks 81, return spring 82, two rectangular channels 71 and a cooperation that leads to groove 72 are used, and two mounts 121 cooperate with two hooks 81 respectively, thereby make the device conveniently articulate and soak a section of thick bamboo 12, make the device operation more convenient.

Further, activity pothook 8 includes two crotch 81 and reset spring 82, two rectangular channel 71 and logical groove 72 have been seted up to the bottom of pneumatic cylinder 7, two rectangular channel 71 and logical groove 72 are linked together, two crotch 81 articulate in the inside of two rectangular channel 71, two one side that the crotch 81 is relative is fixed connection in both ends about two reset spring 82 respectively, reset spring 82 is located the inside that leads to groove 72, soak two mounts 121 of a section of thick bamboo 12's top fixedly connected with, two mounts 121 cooperate with two crotch 81 respectively, through soaking a section of thick bamboo 12 outside and seted up evenly distributed's through-hole, make rust-preventive oil more smooth even inside entering soak a section of thick bamboo 12, recess 122 is more stable when making soak a section of thick bamboo 12 rotatory with the cooperation of round platform 11 simultaneously.

The utility model discloses the model of servo motor 5 that uses can be LCMT15L02NB-130M10015B, and the model of motor power 9 can be CH400-90S, and the model of water pump 143 can be T4W12B15R29, and pneumatic cylinder 7 model can be HSG-K-01-250 its be provided with rather than supporting control switch, and control switch' S mounted position can select according to the in-service use needs.

The working principle is as follows: when the surface anti-rust coating device for processing the fastener is used, the fastener is firstly placed into the soaking cylinder 12, the hydraulic cylinder 7 is started, the hydraulic cylinder 7 drives the movable hook 8 at the bottom to move downwards, the movable hook 8 blocks the soaking cylinder 12, the hydraulic cylinder 7 drives the movable hook 8 to lift the soaking cylinder 12, the servo motor 5 drives the threaded rod 4 to rotate at the moment, so as to drive the threaded sleeve 6 to rotate, the threaded sleeve 6 drives the hydraulic cylinder 7 to move to be right above the anti-rust oil tank 2, then the hydraulic cylinder 7 drives the movable hook 8 to place the soaking cylinder 12 on the circular table 11 in the anti-rust oil tank 2, the movable hook 8 is manually folded, the transmission device 14 is started to pump the oil in the liquid storage tank 13 into the anti-rust oil tank 2, so that the soaking cylinder 12 is completely soaked in the anti-rust oil, the motor 9 is started to drive the transmission rod 10 to rotate, and the transmission rod 10 drives the soaking cylinder 12 on the circular table 11 to rotate, the fasteners in the soaking device are fully contacted with the antirust oil, the power motor 9 is closed after the soaking is finished, the transmission device 14 is started again to pump the antirust oil in the antirust oil tank 2 back to the liquid storage tank 13, the soaking cylinder 12 is completely exposed, the power motor 9 is started again at the moment to drive the soaking cylinder 12 to rotate, so that redundant liquid on the fasteners in the soaking cylinder is thrown out, thereby completing the coating and draining of the fastener, realizing the advantages of lower energy consumption, reduced production cost and the like of the device, solving the problems that the electroplating energy consumption is huge, part of fastener enterprises do not have the electroplating capability and need to entrust an electroplating factory to carry out electroplating operation, directly increasing the production cost of the enterprises and increasing the production period of products, in some less corrosive and relatively dry environments, the fastener does not need high corrosion resistance, and the problem of high-cost electroplating is solved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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 may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A surface antirust coating device for fastener processing comprises a base plate (1), and is characterized in that: the anti-rust oil tank is characterized in that an anti-rust oil tank (2) is fixedly connected to the top of the bottom plate (1), two supports (3) are fixedly connected to the top of the bottom plate (1), one side of each support (3) which is opposite is rotated to be connected with an integrally formed threaded rod (4), the right end of each threaded rod (4) is penetrated and rotated to be connected to the right end of the right side support (3), a servo motor (5) is fixedly connected to the right side of each support (3), the output end of the servo motor (5) is fixedly connected to the right end of each threaded rod (4) through a coupler, a threaded sleeve (6) in threaded connection with the threaded sleeve is sleeved on the outer side of each threaded rod (4), a limiting device (15) is arranged at the top of each threaded sleeve (6), a hydraulic cylinder (7) is fixedly connected to the bottom of each threaded sleeve (6), and a movable clamping hook (8) is fixedly connected to the bottom of each hydraulic cylinder (7), the top of bottom plate (1) is inlayed and is equipped with motor power (9), the output shaft of motor power (9) passes through shaft coupling fixedly connected with transfer line (10), the top of transfer line (10) runs through and the inside of swivelling joint to rust-resistant oil tank (2), the top fixedly connected with round platform (11) of transfer line (10), the top of round platform (11) is provided with soaks a section of thick bamboo (12), the top fixedly connected with liquid reserve tank (13) of bottom plate (1), be provided with transmission device (14) between liquid reserve tank (13) and rust-resistant oil tank (2).

2. The surface antirust layer coating device for fastener processing according to claim 1, wherein: stop device (15) include position sleeve (151) and slide bar (152), the bottom fixed connection of position sleeve (151) is in the top of thread bush (6), the inside sliding connection in the outside of slide bar (152) of position sleeve (151), both ends are fixed connection respectively in the relative one side of two supports (3) about slide bar (152).

3. The surface antirust layer coating device for fastener processing according to claim 1, wherein: transmission device (14) include four solenoid valves (141), four return bends (142) and water pump (143), and the top is two the equal fixed connection in one end that return bend (142) are close to each other to water pump (143) output, two in the top the one end that return bend (142) were kept away from each other runs through respectively and fixed connection in the inside of rust-resistant oil tank (2) and liquid reserve tank (13), two in the bottom the equal fixed connection in the input of water pump (143) of one end that return bend (142) are close to each other, two in the bottom the one end that return bend (142) were kept away from each other is fixed connection in the inside of rust-resistant oil tank (2) and liquid reserve tank (13) respectively, four solenoid valves (141) are fixed connection in the outside of four return bends (142) respectively.

4. The surface antirust layer coating device for fastener processing according to claim 3, wherein: the inside fixedly connected with filter mantle (131) of liquid reserve tank (13), filter mantle (131) are located the right side of right side bottom return bend (142), the right side fixedly connected with of liquid reserve tank (13) has the blow off pipe of valve.

5. The surface antirust layer coating device for fastener processing according to claim 1, wherein: the top of bottom plate (1) fixedly connected with holds pad (16), hold pad (16) are cavity, the top fixedly connected with filter (161) of holding pad (16).

6. The surface antirust layer coating device for fastener processing according to claim 1, wherein: activity pothook (8) include two crotch (81) and reset spring (82), two rectangular channel (71) and logical groove (72), two have been seted up to the bottom of pneumatic cylinder (7) rectangular channel (71) and have been linked together through groove (72), two crotch (81) articulate in the inside of two rectangular channel (71), two one side that crotch (81) is relative is fixed connection in both ends about two reset spring (82) respectively, reset spring (82) are located the inside that leads to groove (72), soak two mount (121) of the top fixedly connected with of a section of thick bamboo (12), two mount (121) cooperate with two crotch (81) respectively.

7. The surface antirust layer coating device for fastener processing according to claim 1, wherein: the outer side of the soaking cylinder (12) is provided with uniformly distributed through holes, the bottom of the soaking cylinder (12) is provided with a groove (122), and the groove (122) is matched with the circular truncated cone (11).