CN211964429U - Improved generation powder coating fine crushing device - Google Patents

Abstract

The utility model discloses an improved generation powder coating fine crushing device, concretely relates to powder coating processing equipment field, which comprises a housing, two lateral walls of casing all are connected with the loading hopper, the discharge gate top position department that the inside of casing is close to the loading hopper installs the rack, four corner position departments in the bottom of rack all are connected with the spring, the inside of rack is provided with the metal filter screen, the outside that the middle part of metal filter screen corresponds the (mixing) shaft is provided with the spacing ring, the top position department that the inside of casing is close to the metal filter screen installs vibration mechanism. The utility model discloses be convenient for form the in-process that the dust was absorbed to the negative pressure at the fan, some fine grain form powder coating is filtered by metal filter screen to adhere to the lower surface at metal filter screen, and through setting up vibration mechanism, be convenient for shake to the fine grain form powder coating of metal filter screen's lower surface adnexed, avoid fine grain form powder coating to be absorbed and cause extravagant and cause the influence to the use of fan.

Description

Improved generation powder coating fine crushing device

Technical Field

The utility model relates to a powder coating processing equipment field, more specifically says, the utility model relates to a fine reducing mechanism of improved generation powder coating.

Background

At present, in the production process of powder coating, a melt mixing method is the most adopted method for manufacturing powder coating at home and abroad, and the melt mixing method is widely used because solid raw materials can be directly used, organic solvents or water is not used, and the problem of discharging waste solvents or waste water is avoided.

Through retrieval, the Chinese utility model with publication number CN 209076781U discloses an improved fine crushing device for powder coating, which comprises a crushing mechanism, an air inducing device, a cyclone separator and a powder screening machine, wherein the crushing mechanism is fixedly connected with the top of the cyclone separator through the air inducing device, and the powder screening machine is arranged below the cyclone separator; the induced draft device comprises an induced draft fan, an induced draft pipe and a recovery box, wherein the induced draft fan is fixedly connected with the side edge of the recovery box, and the induced draft pipe is fixedly connected with the top of the recovery box, the top of the shell and the top of the cyclone separator respectively; the discharge port of the powder screening machine is connected with a feeding pipe through a flange; the top of conveying pipe has been seted up the farine and has been retrieved the material mouth, and the farine is retrieved the material mouth and is passed through rubber hose and induced duct intercommunication, and this technique has the security performance height, retrieves convenient quick, reduces advantages such as product loss and improvement productivity.

However, in practical use, especially in the process of dust absorption by the negative pressure formed by the fan, some fine granular powder paint can be absorbed, so that some fine granular powder paint is attached to the inner wall of the crusher shell, and some fine granular powder paint enters the inside of the fan in the absorption process, thereby affecting the use of the fan.

SUMMERY OF THE UTILITY MODEL

In order to overcome prior art's above-mentioned defect, the embodiment of the utility model provides a fine reducing mechanism of improved generation powder coating, be convenient for form the in-process that the negative pressure absorbed the dust at the fan, some fine grain form powder coating is filtered by metal filter screen, and adhere to the lower surface at metal filter screen, and through setting up vibration mechanism, be convenient for shake to the lower surface adnexed fine grain form powder coating of metal filter screen, avoid fine grain form powder coating to be absorbed and cause extravagant and cause the influence to the use of fan, in order to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an improved fine crushing device for powder coating comprises a casing, wherein two outer side walls of the casing are connected with a hopper, a stirring shaft is arranged inside the casing, the top end of the casing is positioned at the top of the stirring shaft and is provided with a protective shell, the top end of the stirring shaft is positioned inside the protective shell and is connected with a first bevel gear, the top of the first bevel gear is connected with a second bevel gear, the middle of the second bevel gear is connected with a first motor through a shaft rod, a net rack is arranged in the casing and is close to the position above a discharge port of the hopper, four corner positions at the bottom end of the net rack are connected with springs, the bottom end of each spring is connected with a fixed plate, a metal filter screen is arranged inside the net rack, the middle of the metal filter screen is provided with a limit ring corresponding to the outer part of the stirring shaft, and a, the vibration mechanism comprises a fixed shell fixedly connected inside the casing, a rotary table is arranged inside the fixed shell, a piston rod is arranged inside the fixed shell and below the rotary table, a connecting rod is connected between the outer wall of the rotary table and the top of the piston rod, two ends of the connecting rod are movably connected with the rotary table and the piston rod through a fixed shaft, a collision plate is connected to the bottom end of the piston rod close to the upper side of the metal filter screen, a second motor is connected to the outer wall of the top of the fixed shell and corresponding to the middle of the rotary table, a dust suction pipe is connected to the top of the casing and above the metal filter screen, one end of the dust suction pipe is connected to the air inlet end of the fan, the air outlet end of the fan is connected with a dust collection;

the inside below that is close to the loading hopper of casing is provided with the grinding storehouse, the internally connected with that the bottom of (mixing) shaft is located the grinding storehouse is whetted a knife, the bottom in grinding storehouse evenly is provided with the sieve mesh, the bottom in grinding storehouse of casing is connected with the blanking fill, the bottom discharge gate department of blanking fill is connected with accuse charging tray, the inside of accuse charging tray is provided with the rotation handle, the inner wall position department that the tip of rotation handle corresponds accuse charging tray is connected with cowl, the inside of rotation handle corresponds the middle part position department of accuse charging tray and is connected with the pivot, the external connection that the one end of pivot is located accuse charging tray has adjust knob, the bottom of accuse charging tray is provided with the blanking mouth.

In a preferred embodiment, a supporting frame is arranged at the bottom of the first motor, and the supporting frame is fixedly connected with the top end of the casing through a bolt.

In a preferred embodiment, a bearing is installed on the inner wall of the housing at a position corresponding to the outside of the stirring shaft, the second bevel gear is in meshed connection with the first bevel gear, and the outer diameter of the second bevel gear is larger than that of the first bevel gear.

In a preferred embodiment, the two ends of the spring are welded to the bottom end of the net rack and the top end of the fixing plate, and the fixing plate is fixedly connected to the inner wall of the casing through bolts.

In a preferred embodiment, the top of the fixed shell is of a circular structure corresponding to the outer part of the rotating disc, and the connection between the piston rod and the collision plate is welded.

In a preferred embodiment, the top of the material control disc is provided with a blanking hole corresponding to the bottom discharge hole of the blanking hopper, and the material control disc is fixedly connected with the blanking hopper through a bolt.

In a preferred embodiment, a bearing seat is installed on the inner wall of the material control disc at a position corresponding to the end of the rotating shaft, and the rotating handle is rotatably connected with the material control disc through the rotating shaft.

In a preferred embodiment, the arcuate baffle is a stainless steel member.

The utility model discloses a technological effect and advantage:

1. compared with the prior art, the vibration machine is provided with the net rack, the metal filter screen, the spring and the fixed plate, and the vibration mechanism is arranged in the shell and close to the upper part of the metal filter screen, the vibration mechanism consists of the fixed shell, the rotary disc, the piston rod, the connecting rod, the collision plate and the second motor, in the process of forming negative pressure to absorb dust by the fan, some fine granular powder coating is filtered by the metal filter screen and is attached to the lower surface of the metal filter screen, when the internal processing of the grinding bin is finished, the fan is turned off, the second motor is started to drive the turntable to rotate, the arranged connecting rod continuously drives the piston rod to lift in the rotating process, so that the collision plate at the bottom continuously collides the metal filter screen, the fine granular powder coating attached to the lower surface of the metal filter screen is vibrated to fall, the net rack moves downwards, and the arranged spring effectively plays a role in buffering and resetting the net rack;

2. compared with the prior art, the material control disc is connected at the discharge port at the bottom end of the blanking hopper, the rotating handle is arranged in the material control disc, the arc-shaped baffle plate is connected at the position, corresponding to the inner wall of the material control disc, of the end part of the rotating handle, the rotating shaft is connected at the position, corresponding to the middle part of the material control disc, of the inner part of the rotating handle, one end of the rotating shaft is connected with the adjusting knob at the outer part of the material control disc, and the blanking port is formed in the bottom of the material control disc. The speed of the material when flowing is slowed down, the stability of the material when flowing is improved, and the dust is prevented from being raised.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is a schematic structural diagram of the middle vibration mechanism of the present invention.

Fig. 4 is an internal structure schematic diagram of the center-control tray of the present invention.

Fig. 5 is a schematic structural view of the medium net rack of the present invention.

Fig. 6 is the external structure diagram of the middle net rack of the present invention.

The reference signs are: 1 machine shell, 2 loading hoppers, 3 stirring shafts, 4 protective shells, 5 first bevel gears, 6 second bevel gears, 7 first motors, 8 net racks, 9 springs, 10 fixing plates, 11 vibrating mechanisms, 12 dust suction pipes, 13 fans, 14 dust collecting cloth bags, 15 grinding bins, 16 grinding knives, 17 blanking hoppers, 18 material control discs, 19 blanking ports, 20 rotating handles, 21 arc-shaped baffles, 22 rotating shafts, 23 adjusting knobs, 24 control switches, 81 metal filter screens, 82 limiting rings, 111 fixing shells, 112 turntables, 113 piston rods, 114 connecting rods, 115 collision plates and 116 second motors.

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.

As shown in fig. 1-3 and 5, the utility model provides an improved fine crushing device for powder coating, which comprises a casing 1, wherein two outer side walls of the casing 1 are connected with a hopper 2, a stirring shaft 3 is arranged in the casing 1, a protective shell 4 is arranged at the top end of the stirring shaft 3 at the top end of the casing 1, a first bevel gear 5 is connected at the top end of the stirring shaft 3 at the inner part of the protective shell 4, a second bevel gear 6 is connected at the top part of the first bevel gear 5, a first motor 7 is connected at the middle part of the second bevel gear 6 through a shaft rod, a net rack 8 is arranged at the position close to the upper part of a discharge hole of the hopper 2 in the casing 1, springs 9 are connected at four corner positions at the bottom end of the net rack 8, a fixing plate 10 is connected at the bottom end of the springs 9, a metal filter screen, the middle part of the metal filter screen 81 is provided with a limiting ring 82 corresponding to the outside of the stirring shaft 3, the vibrating mechanism 11 is installed at the position, close to the top of the metal filter screen 81, of the inside of the machine shell 1, the vibrating mechanism 11 comprises a fixed shell 111 fixedly connected to the inside of the machine shell 1, a rotary disc 112 is arranged inside the fixed shell 111, a piston rod 113 is arranged inside the fixed shell 111 and below the rotary disc 112, a connecting rod 114 is connected between the outer wall of the rotary disc 112 and the top of the piston rod 113, both ends of the connecting rod 114 are movably connected with the rotary disc 112 and the piston rod 113 through a fixed shaft, a collision plate 115 is connected at the bottom end of the piston rod 113 and above the metal filter screen 81, a second motor 116 is connected at the position, corresponding to the middle part of the rotary disc 112, of the outer wall of the top of the fixed shell, one end of the dust collection pipe 12 is connected with an air inlet end of a fan 13, an air outlet end of the fan 13 is connected with a dust collection cloth bag 14, and a control switch 24 is installed on the outer wall of the machine shell 1;

furthermore, a support frame is arranged at the bottom of the first motor 7, and the support frame is fixedly connected with the top end of the casing 1 through a bolt, so that the first motor 7 can be conveniently installed and fixed;

furthermore, a bearing is arranged on the inner wall of the machine shell 1 corresponding to the outer position of the stirring shaft 3, the second bevel gear 6 is in meshed connection with the first bevel gear 5, and the outer diameter of the second bevel gear 6 is larger than that of the first bevel gear 5, so that the rotating speed of the stirring shaft 3 is improved conveniently;

furthermore, the two ends of the spring 9 are welded with the bottom end of the net rack 8 and the top end of the fixed plate 10, and the fixed plate 10 is fixedly connected to the inner wall of the casing 1 through bolts, so that the net rack 8 is convenient to mount;

further, the top of the fixed shell 111 is in a circular structure corresponding to the outside of the turntable 112, and the piston rod 113 and the collision plate 115 are connected by welding;

the implementation mode is specifically as follows: when in use, materials are thrown into the interior of the machine shell 1 from the interior of the feeding hopper 2 and fall into the interior of the grinding bin 15, the stirring shaft 3 is driven to rotate through the mechanical rotation of the second bevel gear 6 and the first bevel gear 5 by starting the first motor 7, so that the materials are ground in the interior of the grinding bin 15, the top of the existing grinding bin is required to be used for negative pressure dust absorption treatment in the processing process, but for the ground powder coating, the fine granular powder coating can be absorbed in the process of direct absorption, which can affect the fan 13, in the scheme, the metal filter screen 81 is arranged in the net rack 8 by installing the net rack 8, the springs 9 are connected at four corner positions at the bottom end of the net rack 8, the bottom end of the spring 9 is connected with the fixed plate 10, and the vibrating mechanism 11 is installed at the upper position close to the metal filter screen 81 in the interior of the machine shell 1, the vibrating mechanism 11 comprises a fixed shell 111 fixedly connected inside the machine shell 1, a rotary table 112 is arranged inside the fixed shell 111, a piston rod 113 is arranged inside the fixed shell 111 and below the rotary table 112, a connecting rod 114 is connected between the outer wall of the rotary table 112 and the top of the piston rod 113, two ends of the connecting rod 114 are movably connected with the rotary table 112 and the piston rod 113 through a fixed shaft, a collision plate 115 is connected to the bottom end of the piston rod 113 close to the upper part of the metal filter screen 81, a second motor 116 is connected to the middle part of the outer wall of the top of the fixed shell 111 corresponding to the rotary table 112, during the use process, when the fan 13 forms negative pressure to absorb dust, some fine granular powder paint is filtered by the metal filter screen 81 and attached to the lower surface of the metal filter screen 81, when the internal processing of the grinding bin 15 is completed, and after the fan 13 is closed, the connecting rod 114 that sets up continues to drive piston rod 113 and goes up and down at the rotation in-process, and then makes the collision board 115 of bottom continue to collide metal screen 81, shakes the attached fine grained form powder coating of lower surface to metal screen 81 and falls to make rack 8 move down, and the effectual effect that plays the buffering and reset to rack 8 of spring 9 that sets up.

As shown in fig. 1-2 and 4-6, a grinding bin 15 is arranged in the casing 1 and below the feeding hopper 2, a mill 16 is connected to the bottom of the stirring shaft 3 and inside the grinding bin 15, sieve holes are uniformly formed in the bottom of the grinding bin 15, a blanking hopper 17 is connected to the bottom of the casing 1 and below the grinding bin 15, a material control plate 18 is connected to a discharge port at the bottom of the blanking hopper 17, a rotating handle 20 is arranged inside the material control plate 18, an arc-shaped baffle 21 is connected to the end of the rotating handle 20 corresponding to the inner wall of the material control plate 18, a rotating shaft 22 is connected to the inside of the rotating handle 20 corresponding to the middle of the material control plate 18, an adjusting knob 23 is connected to the outside of the material control plate 18 at one end of the rotating shaft 22, and a blanking port 19 is arranged at the bottom of the material control plate 18;

furthermore, blanking holes are formed in the top of the material control disc 18 corresponding to a discharge hole in the bottom of the blanking hopper 17, and the material control disc 18 is fixedly connected with the blanking hopper 17 through bolts, so that the material control disc 18 can be conveniently mounted and dismounted;

furthermore, a bearing seat is arranged at the position of the inner wall of the material control disc 18, which corresponds to the end part of the rotating shaft 22, and the rotating handle 20 is rotatably connected with the material control disc 18 through the rotating shaft 22, so that the position of the arc-shaped baffle 21 can be conveniently adjusted;

furthermore, the arc baffle 21 is a stainless steel component, which is convenient for improving the structural strength of the arc baffle 21;

the implementation mode is specifically as follows: in the using process, the internal material of the grinding bin 15 is ground by the grinding tool 16, and enters the blanking hopper 17 from the sieve pore at the bottom of the grinding bin 15, the material control disc 18 is connected at the discharge port at the bottom end of the blanking hopper 17, the rotating handle 20 is arranged in the material control disc 18, the arc baffle 21 is connected at the position of the end part of the rotating handle 20 corresponding to the inner wall of the material control disc 18, the rotating shaft 22 is connected at the position of the middle part of the material control disc 18 in the rotating handle 20, one end of the rotating shaft 22 is arranged outside the material control disc 18 and is connected with the adjusting knob 23, the blanking port 19 is arranged at the bottom of the material control disc 18, when in use, a user can conveniently screw the adjusting knob 23 according to needs, and further drive the rotating handle 20 to rotate, the position of the arc baffle 21 is conveniently adjusted, when the material blocking needs to be carried out, the arc baffle 21 is rotated below the discharge port of the blanking hopper 17 by screwing the adjusting knob 23, and when the material is needed The material after processing can be along the surperficial landing to blanking mouth 19 of turning handle 20, has slowed down the speed when the material flows, has improved the stability when the material flows, avoids the dust to raise, and the problem that the dust raised when the control of being not convenient for that exists among the prior art was specifically solved to this embodiment.

The utility model discloses the theory of operation:

referring to the attached drawings 1-3 and 5 of the specification, by installing the net rack 8, the metal filter screen 81 is arranged inside the net rack 8, the four corners of the bottom end of the net rack 8 are connected with the springs 9, the bottom end of the spring 9 is connected with the fixing plate 10, the vibration mechanism 11 is arranged in the casing 1 and close to the upper part of the metal filter screen 81, the vibration mechanism 11 is composed of a fixing shell 111, a rotary disc 112, a piston rod 113, a connecting rod 114, a collision plate 115 and a second motor 116, in the using process, when the fan 13 forms negative pressure to absorb dust, some fine granular powder paint is filtered by the metal filter screen 81 and attached to the lower surface of the metal filter screen 81, when the internal processing of the grinding bin 15 is completed, after the fan 13 is closed, the second motor 116 is started to drive the rotary disc 112 to rotate, the connecting rod 114 continuously drives the piston rod 113 to lift in the rotating, further, the collision plate 115 at the bottom continuously collides with the metal filter screen 81, so that the fine granular powder coating attached to the lower surface of the metal filter screen 81 is vibrated down, the net rack 8 moves downwards, and the arranged spring 9 effectively plays a role in buffering and resetting the net rack 8;

referring to the attached drawings 1-2 and 4-6 of the specification, during use, a user can conveniently screw the adjusting knob 23 as required to further drive the rotating handle 20 to rotate, the position of the arc-shaped baffle plate 21 is convenient to adjust, when material blockage is required, the arc-shaped baffle plate 21 is rotated to the lower portion of the discharge port of the blanking hopper 17, when material is required to be discharged, the adjusting knob 23 is screwed to enable the arc-shaped baffle plate 21 to rotate to one side of the lower portion of the discharge port of the blanking hopper 17 (as shown in fig. 4), processed materials can slide to the blanking port 19 along the surface of the rotating handle 20, the speed of the materials in flowing out is reduced, the stability of the materials in flowing out is improved, and dust is prevented from being raised.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. The utility model provides an improved generation fine crushing device of powder coating, includes casing (1), its characterized in that: the two outer side walls of the machine shell (1) are connected with a feeding hopper (2), a stirring shaft (3) is arranged inside the machine shell (1), the top end of the machine shell (1) is located at the top of the stirring shaft (3) and is provided with a protective shell (4), the top end of the stirring shaft (3) is located inside the protective shell (4) and is connected with a first bevel gear (5), the top of the first bevel gear (5) is connected with a second bevel gear (6), the middle part of the second bevel gear (6) is connected with a first motor (7) through a shaft rod, a net rack (8) is arranged in the machine shell (1) and is close to the position above a discharge port of the feeding hopper (2), springs (9) are connected at four corner positions at the bottom end of the net rack (8), a fixing plate (10) is connected at the bottom end of the springs (9), a metal filter screen, a limiting ring (82) is arranged at the middle part of the metal filter screen (81) corresponding to the outer part of the stirring shaft (3), a vibrating mechanism (11) is arranged at the position, close to the upper part of the metal filter screen (81), of the inner part of the machine shell (1), the vibrating mechanism (11) comprises a fixed shell (111) fixedly connected to the inner part of the machine shell (1), a rotary plate (112) is arranged in the fixed shell (111), a piston rod (113) is arranged below the rotary plate (112) in the fixed shell (111), a connecting rod (114) is connected between the outer wall of the rotary plate (112) and the top of the piston rod (113), both ends of the connecting rod (114) are movably connected with the rotary plate (112) and the piston rod (113) through a fixed shaft, a collision plate (115) is connected above the bottom end of the piston rod (113) close to the metal filter screen (81), a second motor (116) is connected to the position, close to the middle part of the, a dust suction pipe (12) is connected to the top of the machine shell (1) above the metal filter screen (81), one end of the dust suction pipe (12) is connected to the air inlet end of the fan (13), the air outlet end of the fan (13) is connected with a dust collection cloth bag (14), and a control switch (24) is mounted on the outer wall of the machine shell (1);

the inside of casing (1) is provided with grinding bin (15) near the below of loading hopper (2), the bottom of (mixing) shaft (3) is located the inside connection of grinding bin (15) and is whetted a knife (16), the bottom of grinding bin (15) evenly is provided with the sieve mesh, the bottom of casing (1) is located the below of grinding bin (15) and is connected with blanking fill (17), the bottom discharge gate department of blanking fill (17) is connected with accuse charging tray (18), the inside of accuse charging tray (18) is provided with rotation handle (20), the tip of rotation handle (20) corresponds the inner wall position department of accuse charging tray (18) and is connected with cowl (21), the inside of rotation handle (20) corresponds the middle part position department of accuse charging tray (18) and is connected with pivot (22), the one end of pivot (22) is located the outside connection of accuse charging tray (18) and is had adjust knob (23), and a blanking port (19) is arranged at the bottom of the material control disc (18).

2. An improved powder coating material fine crushing apparatus as claimed in claim 1, wherein: the bottom of the first motor (7) is provided with a support frame, and the support frame is fixedly connected with the top end of the casing (1) through a bolt.

3. An improved powder coating material fine crushing apparatus as claimed in claim 1, wherein: the outer position of the inner wall of the machine shell (1) corresponding to the stirring shaft (3) is provided with a bearing, the second bevel gear (6) is meshed with the first bevel gear (5), and the outer diameter of the second bevel gear (6) is larger than that of the first bevel gear (5).

4. An improved powder coating material fine crushing apparatus as claimed in claim 1, wherein: the both ends of spring (9) and the bottom of rack (8) and the connected mode between the top of fixed plate (10) are the welding, fixed plate (10) are through the inner wall of bolt fixed connection at casing (1).

5. An improved powder coating material fine crushing apparatus as claimed in claim 1, wherein: the top of the fixed shell (111) is of a circular structure corresponding to the outer part of the turntable (112), and the piston rod (113) and the collision plate (115) are connected by welding.

6. An improved powder coating material fine crushing apparatus as claimed in claim 1, wherein: the top of the material control disc (18) is provided with a blanking hole corresponding to a bottom discharge hole of the blanking hopper (17), and the material control disc (18) is fixedly connected with the blanking hopper (17) through bolts.

7. An improved powder coating material fine crushing apparatus as claimed in claim 1, wherein: the end part of the inner wall of the material control disc (18) corresponding to the rotating shaft (22) is provided with a bearing seat, and the rotating handle (20) is rotatably connected with the material control disc (18) through the rotating shaft (22).

8. An improved powder coating material fine crushing apparatus as claimed in claim 1, wherein: the arc-shaped baffle (21) is a component made of stainless steel.

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