CN213796029U - Scouring pad clamping and positioning mechanism of brush roll - Google Patents

Abstract

The utility model discloses a tight positioning mechanism of scouring pad clamp of brush roll, include: the roller comprises a roller core, a clamping piece and a limiting assembly, wherein a fixing groove is formed in one end of the outer ring wall of the roller core and penetrates through the top end face of one side of the roller core; two fixed blocks are arranged on the top end face, and one end of the clamping piece is rotatably connected with the two fixed blocks through a rotating shaft; the limiting assembly comprises a limiting rod, limiting holes penetrating through the head end and the tail end of the clamping piece are formed in the clamping piece, positioning holes are formed in the groove wall of the fixing groove, and when the limiting rod leaves the positioning holes, the clamping piece can be turned out of the fixing groove; when the limiting rod is inserted into the positioning hole from the limiting hole, the clamping piece is limited and fixed in the fixing groove; the utility model discloses only need the location that the holder can be realized to the grafting location of rethread gag lever post through the rotatory centre gripping of holder, and before the location, can go into the end card of scouring pad to the fixed slot in to realized pressing from both sides tightly convenient operation to scouring pad.

Description

Scouring pad clamping and positioning mechanism of brush roll

Technical Field

The utility model relates to a metal material surface treatment equipment field, more specifically the theory relates to a scouring pad of brush roll presss from both sides tight positioning mechanism.

Background

Flat steel is used in many fields, generally is a hot-rolled steel plate, and the surface of the flat steel is inevitable to generate stains and rusts during production. Therefore, the stain rust on the surface of the stainless steel needs to be treated before the stainless steel is used so as to meet the production requirement. The conventional treatment method for the flat steel strip generally adopts a chemical treatment method, and uses an acidic liquid to remove rust and some pollutants on the surface of the flat steel strip. However, the flat steel strip is treated by the acidic liquid, and finally, a large amount of acidic waste liquid is generated, so that the environment is polluted and is not environment-friendly.

The application number is "201720568600.7" an acidless environment-friendly metal material surface treatment device, it has the derusting roller rotation that has the abrasive wire of winding through the motor drive to have proposed one kind, and then carries out the processing apparatus of friction rust cleaning to flat steel strip surface. However, the processing device still has the defects that the abrasive wires are easy to wear in the process of derusting, the price of the abrasive wires is expensive, and the cost of derusting is relatively overhigh. Therefore, the scouring pad is driven by the brush roll to rotate to pretreat the surface of the band steel, and the scouring pad is generally fixed on the brush roll in a binding mode of a binding belt, but the operation in the mode is inconvenient, the scouring pad is often loosened, and the scouring pad is not easy to operate when being untied.

Disclosure of Invention

In order to solve the technical problem, the utility model aims at providing a convenient operating scouring pad presss from both sides tight positioning mechanism, only need the rotatory centre gripping through the holder, the location of holder can be realized to the grafting location of rethread gag lever post, and before the location, can go into the end card of scouring pad to the fixed slot in to realized pressing from both sides tightly convenient operation to the scouring pad.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the scouring pad of brush roll presss from both sides tight positioning mechanism includes: the roller comprises a roller core, a clamping piece and a limiting assembly, wherein a fixing groove is formed in one end of the outer ring wall of the roller core and penetrates through the top end face of one side of the roller core; two fixed blocks are arranged on the top end face, and one end of the clamping piece is rotatably connected with the two fixed blocks through a rotating shaft; the limiting assembly comprises a limiting rod, limiting holes penetrating through the head end and the tail end of the clamping piece are formed in the clamping piece, positioning holes are formed in the groove wall of the fixing groove, and when the limiting rod leaves the positioning holes, the clamping piece can be turned out of the fixing groove; when the limiting rod is inserted into the positioning hole from the limiting hole, the clamping piece is limited and fixed in the fixing groove.

In a further scheme, the limiting assembly further comprises a spring, one end of the spring is connected with the outer wall of the limiting rod, and the other end of the spring is connected with the wall of the limiting hole. Through setting up the spring for the gag lever post keeps wearing out the spacing hole that is close to this one end of locating hole all the time, guarantees promptly that the gag lever post inserts in the locating hole all the time at the rust cleaning in-process.

In a further scheme, the clamping device further comprises an annular rubber sleeve, the inner annular wall of the annular rubber sleeve is attached to the outer wall of the limiting rod, and the outer annular wall of the annular rubber sleeve is attached to the clamping piece. The annular rubber sleeve prevents water from entering the limiting hole and entering dust.

In a further scheme, be equipped with the binding face with the laminating of fixed slot tank bottom on the holder, binding face and/or fixed slot tank bottom are provided with a plurality of arch, just the arch is the arc arch. The friction force is increased through the arc-shaped protrusions, so that the scouring pad is prevented from slipping from the groove, and the surfaces of the scouring pad cannot be scratched by the arc-shaped protrusions.

In a further scheme, the top end surfaces of two sides of the roller core are provided with the fixing grooves and the clamping pieces. So that the scouring pads at the two ends of the roller core can be uniformly fixed to prevent twisting.

Advantageous effects

The utility model clamps the scouring pad through the clamping piece matching with the bottom of the fixed groove, so that the scouring pad and the roller core are kept fixed, and the scouring pad is prevented from being separated from the roller core in the rust removing process; the clamping piece is positioned through the limiting rod, so that the cleaning cloth is prevented from being separated due to the rotation of the clamping piece in the rust removing process; the positioning of the clamping piece can be realized only by the rotary clamping of the clamping piece and the inserting positioning of the limiting rod, and the end of the scouring pad can be clamped into the fixing groove before the positioning, so that the scouring pad is clamped tightly and the operation is convenient.

Drawings

FIG. 1 is a schematic view of an assembly structure of a roller, a disc and a key base according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a position-limiting assembly;

FIG. 3 is a schematic view of the key base and disk assembly;

FIG. 4 is a schematic view of a disk structure;

FIG. 5 is a schematic view of the pretreatment apparatus in example 1;

FIG. 6 is a front view of the pretreatment apparatus in example 1;

FIG. 7 is a cross-sectional view A-A of FIG. 6;

FIG. 8 is a top and bottom isometric view of the pretreatment apparatus of example 1;

fig. 9 is a side view of the pretreatment apparatus in example 2.

FIG. 10 is a schematic view of a first brush roll configuration;

FIG. 11 is a side view of a first brush roll;

FIG. 12 is an enlarged view of portion A of FIG. 11;

FIG. 13 is a sectional view and a partial enlarged view of B-B in FIG. 11;

fig. 14 is a schematic view of the clamp in the unlocked position.

The reference numerals in the schematic drawings illustrate:

1-roll shaft, 2-disc, 201-first hole, 202-second hole, 203-groove, 3-key base, 4-brush bar component, 5-limiting component, 6-belt, 7-first brush roller, 701-roll core, 7011-fixing groove, 7012-positioning hole, 702-clamping component, 7021-limiting hole, 7022-arc protrusion, 703-fixing block, 704-limiting component, 7041-limiting rod, 7042-spring, 705-annular rubber sleeve, 8-scouring pad, 9-sand-blasting pipe, 10-fixing seat, 1001-top plate, 1002-connecting block and 11-metal plate.

Detailed Description

For a further understanding of the present invention, reference will now be made in detail to the present invention, examples of which are illustrated in the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example 1: the utility model discloses a tight positioning mechanism of scouring pad clamp is the important component part of metal material surface rust cleaning equipment, and the following is whole to make detailed introduction to this equipment:

referring to fig. 5-8, the embodiment provides a metal material surface rust removing apparatus, which includes a frame, and a pretreatment device and a plurality of second brush rolls are sequentially arranged on the frame along a conveying direction of a metal plate 11. In the scheme, the pretreatment device comprises a fixed seat 10, a sand blasting pipe 9 and a first brush roller 7. The fixing seat 10 comprises a top plate 1001, connecting blocks 1002 are arranged at the left end and the right end of the top plate 1001, and shaft heads of a roller core 701 of the first brush roller 7 penetrate through the connecting blocks 1002 at the left end and the right end of the top plate 1001, so that the first brush roller 7 can rotate relative to the connecting blocks 1002 at the left end and the right end of the top plate 1001. And one end of the first brush roller 7 is connected with a motor through a transmission shaft, and the first brush roller 7 can rotate relative to the fixed seat 10 under the driving of the motor. And the outer wall of the first brush roll 7 is wrapped with scouring pad 8.

As can be easily understood, if the surface of the metal plate 11 is directly subjected to rust removal by the brush roll with the abrasive wires or the brush strips, the grinding members such as the abrasive wires will be worn out and discarded soon, and the cost for rust removal is extremely high. In the scheme, the first brush roll 7 in the pretreatment device is wrapped with the scouring pad 8 to pretreat stains and rusts on the surface of the metal plate 11, so that the wear rate of the subsequent brush roll can be reduced, and the rust removal cost is reduced. And because the scouring pad 8 can be directly disassembled and replaced after being worn, and the replacement cost of the scouring pad 8 is lower, the maintenance cost of the first brush roller 7 is greatly reduced, and the rust removal cost is reduced.

In order to facilitate the replacement of the cleaning cloth 8, in the present embodiment, as shown in fig. 9 to 14, the first brush roller 7 includes a roller core 701 and a clamping member 702, the roller core 701 includes an outer circumferential wall and both side end surfaces, and the cleaning cloth 8 is wrapped around the side wall of the roller core 701. And a groove 7011 is formed in the side wall of the roller core 701, and the groove 7011 penetrates through the top end face of one side of the roller core 701. The clamping member 702 is rotatably disposed in the groove 7011, and the clamping member 702 can be switched between a locking position and an unlocking position.

As shown in fig. 13, when the clamping member 702 is in the locking position, the clamping member 702 rotates to be attached to the bottom of the fixing groove 7011, and one end of the scouring pad 8 is clamped between the clamping member 702 and the bottom of the fixing groove 7011. As shown in fig. 14, when the holder 702 is in the unlocked position, the holder 702 is rotated to be separated from the bottom of the fixing groove 7011, so that the cleaning pad 8 is disengaged from the holder 702 and the fixing groove 7011. As a specific embodiment, two fixing blocks 703 are disposed on a top end surface of one side of the roller core 701 penetrating through the fixing groove 7011, a rotation shaft is fixed between the two fixing blocks 703, both ends of the rotation shaft are respectively connected to the two fixing blocks 703, and the rotation shaft penetrates through the clamping member 702. The clamping member 702 can move toward or away from the bottom of the fixing slot 7011 about the rotation axis to perform state transition between the locking position and the unlocking position.

After the scouring pad 8 is worn, the scouring pad 8 can be directly detached and replaced, the replacement cost of the scouring pad 8 is low, and the roller core 701 is wrapped with the scouring pad 8 to treat stains and rust on the surface of a metal material, so that the rust removal cost is reduced. And the clamping piece 702 rotates to be separated from the bottom of the fixed groove 7011, the scouring pad 8 can be separated from the clamping piece 702 and the fixed groove 7011, and the scouring pad 8 can be replaced by only rotating the clamping piece 702, so that the scouring pad is convenient and quick. And the scouring pad 8 is clamped by the clamping piece 702 matched with the bottom of the fixing groove 7011, so that the scouring pad 8 and the roller core 701 are kept fixed, and the scouring pad 8 is prevented from being separated from the roller core 701 in the rust removing process.

In a preferred embodiment, the top end surfaces of the roller core 701 are provided with a fixing groove 7011 and a clamping member 702, so as to fix the two ends of the scouring pad 8. In addition, the number of the fixing grooves 7011 and the number of the clamping pieces 702 on the top end face of each side of the roller core 701 are 2, the fixing grooves 7011 and the clamping pieces 702 are in one-to-one correspondence and are arranged in the circumferential direction of the roller core 701 in a surrounding mode, and the fixing effect of the scouring pad 8 is improved through the plurality of fixing grooves 7011 and the clamping pieces 702. And it is easy to understand that three, four or more than four can be used under the condition of ensuring the stable connection of the scouring pad 8 and the roller core 701.

Meanwhile, in this embodiment, the clamping member 702 is provided with an attaching surface attached to the bottom of the fixing groove 7011, the attaching surface is provided with a plurality of protrusions, and the protrusions are arc-shaped protrusions 7022. The friction force is increased by the arc-shaped protrusion 7022 to prevent the scouring pad 8 from slipping out of the fixing groove 7011, and the arc-shaped protrusion 7022 does not cut the surface of the scouring pad 8. Further alternatively, it is also possible that the bottom of the fixing groove 7011 is provided with a plurality of arc-shaped protrusions 7022, or both the attachment surface and the bottom of the fixing groove 7011 are provided with a plurality of arc-shaped protrusions 7022.

And to prevent the rotation of the clamping member 702 causing the removal of the scouring pad 8 during the descaling process, the brush roll further comprises a stop assembly 7045 which positions the clamping member 702 in the locked position. The limiting component 7045 includes a limiting rod 7041, the clamping member 702 is provided with a limiting hole 7021 penetrating the head and the tail of the clamping member 702, and the groove wall of the fixing groove 7011 is provided with a positioning hole 7012. When the clamping member 702 is in the locking position, the position-limiting rod 7041 is inserted into the positioning hole 7012 through the position-limiting hole 7021. The clamp 702 is restrained by a restraint bar 7041. Furthermore, the limit component 7045 further comprises a spring 7042, one end of the spring 7042 is connected with the outer wall of the limit rod 7041, and the other end of the spring 7042 is connected with the inner hole wall of the limit hole 7021. Referring to fig. 13 and 14, when the clamp 702 is rotated to the unlocked position, the user pulls the stopper 7041 and the spring 7042 compresses. When the clamping member 702 rotates to the locking position, the user does not pull the position-limiting rod 7041, and the spring 7042 releases the elastic force to drive the position-limiting rod 7041 to be inserted into the positioning hole 7012. The spring 7042 ensures that the stop bar 7041 is always inserted into the positioning hole 7012 in the derusting process. As an illustration of the installation manner of the spring 7042, one end of the spring 7042 is first welded to the position-limiting rod 7041, and then the position-limiting rod 7041 drives the spring 7042 to be inserted into the position-limiting hole 7021, so that the installation can be completed only by welding the other end of the spring 7042 to the inner hole wall of the position-limiting hole 7021.

In addition, the brush roller also comprises an annular rubber sleeve 705, the inner annular wall of the annular rubber sleeve 705 is attached to the outer wall of the limiting rod 7041, and the outer annular wall of the annular rubber sleeve 705 is attached to the clamping piece 702. The annular rubber sleeve 705 prevents water from entering the limiting hole 7021 and dust from entering the limiting hole. And because the annular rubber sleeve 705 is made of rubber, the elastic rod can be stretched by a certain length, and the pulling of the limit rod 7041 cannot be influenced.

In this embodiment, the sand blast pipe 9 penetrates the top plate 1001, and is clamped to the top plate 1001 to be fixed. Of course, other fixing methods in the prior art, such as glue bonding, etc., can be adopted under the condition that the sand blasting tube 9 and the fixing base 10 are ensured to be relatively fixed. The nozzle at the head end of the sand blasting pipe 9 is connected with a storage device for storing water and sand, and the nozzle at the tail end of the sand blasting pipe 9 sprays water and sand towards the metal plate 11 and the first brush roller 7. When the front processing device is in a working state, the processing metal plate 11 is continuously fed, and the motor drives the first brush roller 7 to rotate. Meanwhile, the sand spraying pipe 9 sprays water and sand, the sand is embedded into the scouring pad 8, the scouring pad 8 drives the sand to rub with the metal plate 11 together, and stains and rust on the surface of the metal plate 11 are removed. Sand is sprayed through the sand spraying pipe 9 and embedded into the scouring pad 8, so that the friction force of the scouring pad 8 relative to a metal material is improved, and the rust removal effect is improved. Simultaneously, spray water through sand blasting pipe 9 in this scheme, can cool down brush roll and metal, dust when water can adsorb the rust cleaning, play the effect that reduces the raise dust. If the annular rubber sleeve 705 is not arranged, water and sand sprayed from the sand blasting pipe 9 enter the limiting hole, so that the sand influences the smooth pulling of the limiting rod 7041, and the water can cause the spring 7042 to rust.

In a preferred embodiment, the sand blast pipe 9 is located at the front end of the first brush roll 7 along the conveying direction of the metal plate 11, and the end nozzle of the sand blast pipe 9 is opposite to the contact position of the first brush roll 7 and the metal plate 11 to be machined. It will be readily appreciated that if the sand blast pipe 9 is located behind the first brush roll 7, some of the water and sand will fall onto the metal plate 11, which metal plate 11 has already passed the first brush roll 7, resulting in waste of water and sand. When the sand blasting pipe 9 is positioned in front of the first brush roller 7 and water and sand fall onto the metal plate 11, the metal plate 11 drives the water and the sand to move until the water and the sand are contacted with the scouring pad 8, the sand is embedded into the scouring pad 8 and generates friction with the metal plate 11 along with the rotation of the scouring pad 8 to remove rust, and the utilization rate of the sand is improved. Meanwhile, the pipe orifice at the tail end of the sand spraying pipe 9 is right opposite to the contact part of the first brush roll 7 and the metal plate 11, when sand falls onto the scouring pad 8, the sand is directly rubbed, if the pipe orifice at the tail end of the sand spraying pipe 9 is right opposite to the top end and other parts of the first brush roll 7, after the sand falls into the scouring pad 8, the sand falls off or flies out of the equipment from the scouring pad 8 along with the rotation of the scouring pad 8, and waste is caused.

Simultaneously, the number of sandblast pipe 9 is a plurality of in this scheme, and a plurality of sandblast pipe 9 are arranged along the length direction of first brush roll 7. The plurality of sand blasting pipes 9 ensure that the whole surface of the metal plate 11 can be contacted with water and sand, thereby improving the derusting effect. Of course, the number of blast pipes 9 is not limited to the case where it is ensured that the entire surface of the metal plate 11 can be contacted with water and sand.

In addition, a storage box for recovering sand is arranged below the first brush roller 7. The sand ejected by the sand blasting pipe 9 is recovered through the storage box, so that the sand is recycled, and the cost of rust removal is further reduced.

And after the metal plate 11 is pretreated by the pretreatment device, the metal plate 11 is conveyed to a second brush roller, and the rust removal of the surface of the metal plate 11 is completed by the second brush roller.

In this embodiment, the second brush roller comprises a roller shaft 1 and a plurality of discs 2 sleeved on the peripheral side of the roller shaft 1, the centers of the discs 2 are hollowed out, a plurality of brush bar assemblies 4 are arranged on the outer peripheries of the discs 2, one or more grooves 203 are formed in the inner peripheries of the discs 2, as shown in fig. 3, a key base 3 corresponding to the grooves 203 on the discs 2 is arranged on the outer wall of the roller shaft 1 in the axial direction, and a first side portion 301 of the key base 3 is in sliding fit in the grooves 203; as shown in fig. 2, both ends of the roll shaft 1 are provided with the limiting assemblies 5, and the plurality of discs 2 on the roll shaft 1 are located between the two limiting assemblies 5, and the key base 3 is axially limited by the limiting assemblies 5.

Specifically, the disc 2 slides on the key base 3 through the groove 203 on the disc, so as to be sleeved on the peripheral side of the roller shaft 1, and the disc 2 is limited by the key base 3 in the peripheral direction; the limiting component 5 rotates coaxially with the disc 2, the key base 3 and the roll shaft 1. Setting up of key base 3 has realized spacing to the circumference of disc 2 to promoted the effect of getting rid of to steel surface scale, through with disc 2 sliding fit on the key base 3 of roller 1, and key base 3 is spacing by spacing subassembly 5 axial, the disc 2 of being convenient for installation or dismantlement on roller 1, can pull down disc 2 when brush strip subassembly 4 on disc 2 needs to be changed fast, the maintenance of being convenient for.

In one aspect of the present embodiment, as shown in fig. 1, one or more key grooves 101 are opened in the axial direction of the outer wall of the roller shaft 1, and the second side portions 302 of the key base 3 are slidably fitted in the key grooves 101; by slidably fitting the key base 3 between the roller shaft 1 and the disk 2, quick detachment and maintenance of the key base 3 are facilitated.

In another aspect of the present embodiment, as shown in fig. 4, a plurality of first holes 201 are formed in the outer circumference of the disc 2, second holes 202 are formed at two sides of the first holes 201, the brush bar assembly 4 penetrates through the first holes 201 and is folded into a U shape toward the outer side of the disc 2, a strap 6 for binding the brush bar assembly 4 penetrates through the second holes 202 at two sides of the first holes 201, and the strap 6 may be a metal or a non-metal material, such as a steel wire, but the present application is not limited thereto.

There is one kind to tie up the brush roll 1 that a plurality of brush strip subassemblies 4 were tied up through a band 6 among the prior art, this kind of mode of tying up is when band 6 is destroyed, the brush strip subassembly 4 that this band 6 was tied up and is all can drop because of the fracture of band 6, this embodiment ties up each brush strip subassembly 4 on disc 2 through band 6, the phenomenon of effectively having avoided causing a plurality of brush strip subassemblies 4 to scatter because of band 6 is destroyed, the fracture of single band 6 can not lead to the fact big influence to holistic work, fault-tolerant ability has been promoted.

In other aspects of this embodiment, the brush bar assembly 4 includes a plurality of brush bars, the brush bar is a resin matrix strip structure, and the resin matrix strip structure is provided with an abrasive material therein, the abrasive material may be metal or nonmetal particles, such as diamond particles, steel particles, or a strip structure arranged along the length direction of the resin matrix strip structure, such as an iron wire.

In other aspects of this embodiment, as shown in fig. 4, the cross-section of the groove 203 is a polygonal structure, including but not limited to trapezoid, pentagon, and hexagon, and the multiple contact surfaces between the key base 3 and the groove 203 can reduce the gap swing therebetween.

Example 2: referring to fig. 9, the main difference between this embodiment and the metal material surface rust removing apparatus proposed in embodiment 1 is that a baffle 1003 is disposed on the peripheral side of the fixing base 10. Baffle 1003 and roof 1001 fixed connection prevent through baffle 1003 that the in-process grit of derusting flies the equipment out.

The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.

Claims (5)

1. The tight positioning mechanism of scouring pad clamp of brush roll which characterized in that includes: the roller comprises a roller core, a clamping piece and a limiting assembly, wherein a fixing groove is formed in one end of the outer ring wall of the roller core and penetrates through the top end face of one side of the roller core; two fixed blocks are arranged on the top end face, and one end of the clamping piece is rotatably connected with the two fixed blocks through a rotating shaft; the limiting assembly comprises a limiting rod, limiting holes penetrating through the head end and the tail end of the clamping piece are formed in the clamping piece, positioning holes are formed in the groove wall of the fixing groove, and when the limiting rod leaves the positioning holes, the clamping piece can be turned out of the fixing groove; when the limiting rod is inserted into the positioning hole from the limiting hole, the clamping piece is limited and fixed in the fixing groove.

2. The scouring pad clamping and positioning mechanism of the brush roll according to claim 1, wherein the limiting assembly further comprises a spring, one end of the spring is connected with the outer wall of the limiting rod, and the other end of the spring is connected with the inner hole wall of the limiting hole.

3. The scouring pad clamping and positioning mechanism of the brush roll according to claim 1, further comprising an annular rubber sleeve, wherein the inner annular wall of the annular rubber sleeve is attached to the outer wall of the limiting rod, and the outer annular wall of the annular rubber sleeve is attached to the clamping piece.

4. The scouring pad clamping and positioning mechanism of the brush roll according to claim 1, wherein the clamping member is provided with an abutting surface abutting against the bottom of the fixed groove, the abutting surface and/or the bottom of the fixed groove are provided with a plurality of protrusions, and the protrusions are arc-shaped protrusions.

5. The scouring pad clamping and positioning mechanism of the brush roll as claimed in claim 1, wherein the top end surfaces of both sides of the roll core are provided with the fixing grooves and the clamping members.

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