CN111922862A

CN111922862A - Rust removal device

Info

Publication number: CN111922862A
Application number: CN202010914277.0A
Authority: CN
Inventors: 郭文艳; 林鹏; 姜晓菲; 王晓明; 张恒
Original assignee: Yantai Engineering and Technology College
Current assignee: Yantai Engineering and Technology College
Priority date: 2020-09-03
Filing date: 2020-09-03
Publication date: 2020-11-13

Abstract

The invention relates to the technical field of mechanical equipment, in particular to a rust removing device.A pipe fitting supporting mechanism is arranged on a bottom plate, the rust removing mechanism comprises a gantry support which is movably arranged on the bottom plate from left to right, a lifting seat is fixedly connected below a top plate through a vertically extending hydraulic cylinder, two fixed shafts which extend from left to right are arranged in a mounting groove in a front-back relative rotating manner, moving shafts which extend from left to right are respectively arranged on the inner sides of the lower ends of two swinging plates in a rotating manner, a supporting belt which is annularly arranged is sleeved on the outer sides of the two fixed shafts and the two moving shafts, a sand paper layer is arranged on the outer surface of the supporting belt, an elastic piece which is used for pulling the upper end of the swinging plate; when the supporting belt moves back and forth, the steel pipe is polished and derusted through the sand paper layer, the steel pipe is driven to rotate through the clamping seat, and the supporting belt is driven to move along the length direction of the steel pipe by matching with the second driving motor, so that the derusting work of the whole steel pipe is completed.

Description

Rust removal device

Technical Field

The invention relates to the technical field of mechanical equipment, in particular to a rust removing device.

Background

After the steel pipe is produced, the steel pipe needs to be temporarily stored in an outdoor open warehouse due to the reasons of large volume, large cargo yard occupation, untimely delivery and the like, the steel pipe is long in time and easy to rust, and causes customer dissatisfaction. At present, the manual angle grinder is mostly adopted for derusting the surface of the steel pipe, the derusting efficiency is low, the labor intensity of workers is high, the working environment is poor, and the health of the operators is influenced. The problems to be solved are how to improve the working efficiency of steel pipe rust removal, improve the working environment of worker rust removal and reduce the labor intensity of workers.

Disclosure of Invention

The invention aims to provide a derusting device to solve the problem of low manual derusting efficiency in the prior art.

In order to solve the technical problems, the technical scheme of the invention is as follows: a rust removal device comprises a bottom plate, wherein a pipe fitting supporting mechanism is arranged on the bottom plate, and a rust removal mechanism positioned above the pipe fitting supporting mechanism is also arranged on the bottom plate; the derusting mechanism comprises a gantry support which is movably arranged on the bottom plate from left to right, the gantry support comprises a top plate and two vertical plates which are relatively and fixedly arranged at the front end and the rear end of the top plate, and a lifting seat is fixedly connected below the top plate through a vertically extending hydraulic cylinder; the bottom of the lifting seat is provided with a mounting groove extending forwards and backwards, and two fixed shafts extending leftwards and rightwards are mounted in the mounting groove in a front-back relative rotating mode; two swinging plates which extend vertically are arranged in the mounting groove in a front-back opposite mode, the two fixed shafts are positioned at the inner sides of the two swinging plates, shaft pins which extend leftwards and rightwards are fixedly mounted in the middle positions of the left side and the right side of each swinging plate respectively, and the swinging plates are rotatably mounted in the mounting groove through the two shaft pins; the inner sides of the lower ends of the two swing plates are respectively rotatably provided with a movable shaft extending left and right, the outer sides of the two fixed shafts and the two movable shafts are sleeved with an annular supporting belt, and the outer surface of the supporting belt is provided with a sand paper layer; an elastic piece for pulling the upper end of the swinging plate to rotate inwards is arranged between the upper end of the swinging plate and the lifting seat; fixed mounting has and is located two installation piece between the dead axle in the mounting groove, the smooth chamber that extends around being equipped with in the installation piece, sliding chamber slidable mounting has the slider, it connects to support the area fixed connection on the slider, the installation piece around both ends be equipped with respectively with support the assorted hole of dodging, be equipped with on the lift seat and be used for driving the slider is followed smooth chamber reciprocating motion's actuating mechanism.

As a preferred technical scheme, the driving mechanism comprises two first driving motors fixedly installed at the left side and the right side of the lifting seat, a disc is coaxially and fixedly installed on a rotating shaft of each first driving motor, the axis of the disc extends leftwards and rightwards, and a first small shaft extending leftwards and rightwards is eccentrically and fixedly installed on the outer side of the disc; the left side and the right side of the sliding block are respectively fixedly provided with a second small shaft which extends leftwards and rightwards, the left side and the right side of the sliding cavity and the corresponding position of the second small shaft are respectively provided with a strip-shaped hole which penetrates through the lifting seat, and the second small shaft penetrates out of the corresponding strip-shaped hole to the outer side of the lifting seat and can move forwards and backwards along the strip-shaped hole; and a connecting rod is arranged between the first small shaft and the second small shaft on the corresponding side, and shaft sleeves matched with the first small shaft and the second small shaft are respectively arranged at two ends of the connecting rod.

As a preferable technical scheme, the elastic part comprises a first sliding groove which is positioned on the top wall of the mounting groove and extends forwards and backwards, two first sliding blocks are arranged in the first sliding groove in a front-back opposite mode, and tension springs are connected between the first sliding blocks and the upper ends of the corresponding swing plates; still be equipped with the first bidirectional stud that the syntropy extends in the first spout, be equipped with the opposite external screw thread of direction of rotation around the outside of first bidirectional stud relatively, first bidirectional stud rotates through the polished rod of tip to be installed in the first spout, two first sliding block closes soon respectively on the different external screw thread of direction of rotation of first bidirectional stud, fixed mounting has and is used for driving in the lift seat first bidirectional stud pivoted regulating motor.

As a further improvement, a second sliding groove extending forwards and backwards is formed in the bottom of the mounting block, two second sliding blocks are oppositely arranged in the second sliding groove forwards and backwards, a mounting plate is fixedly mounted at the bottom of each second sliding block, an auxiliary shaft extending leftwards and rightwards is rotatably mounted at the lower end of the mounting plate, and the auxiliary shaft is located on the inner side of the supporting belt; still be equipped with the two-way double-screw bolt of syntropy extension in the second spout, the outside front and back of the two-way double-screw bolt of second is equipped with the opposite external screw thread of direction of rotation relatively, the two-way double-screw bolt of second rotates through the polished rod of tip to be installed in the second spout, two the second sliding block closes soon respectively on the different direction of rotation's of the two-way double-screw bolt of second external screw thread, fixed mounting has in the installation piece and is used for driving the two-way double-screw bolt pivoted second adjustment motor.

As a preferred technical scheme, two slide ways extending left and right are oppositely arranged on the bottom plate in a front-back direction, and the lower ends of the two vertical plates are respectively installed in the corresponding slide ways in a sliding manner; the improved structure is characterized in that lead screws extending in the same direction are arranged in the slide ways, the lead screws are rotatably arranged in the slide ways through polished rods at the end parts, the lower ends of the vertical plates are in threaded connection with the lead screws, and a second driving motor used for driving the lead screws to rotate is fixedly arranged in the bottom plate.

As a preferred technical scheme, the supporting mechanism comprises a fixed seat and a movable seat which are oppositely arranged on the bottom plate from left to right, the fixed seat is fixedly arranged on the bottom plate, a long groove which extends from left to right is arranged on the bottom plate, the movable seat is slidably arranged in the long groove, and an electric push rod for driving the movable seat to move along the long groove is fixedly arranged between the bottom plate and the movable seat; the fixing base with the inboard of removing the seat rotates respectively and installs the connecting axle that extends about, two the inner fixed mounting respectively of connecting axle has the grip slipper, be equipped with fixture on the grip slipper, fixed mounting has on the fixing base and is used for driving correspondingly connecting axle pivoted third driving motor.

As a preferred technical scheme, the clamping mechanism comprises an installation cavity located in the clamping seat, a plurality of first guide grooves communicated with the installation cavity are formed in the inner side of the clamping seat, the length direction of each first guide groove extends along the radius of the connecting shaft, the first guide grooves are uniformly arranged at intervals around the axis of the connecting shaft, guide blocks are slidably mounted in the first guide grooves, a supporting shaft parallel to the connecting shaft is fixedly mounted on each guide block, and a circular supporting block located on the outer side of the clamping seat is coaxially and fixedly mounted at one end of each supporting shaft; a worm wheel coaxial with the connecting shaft is rotatably mounted in the mounting cavity, second guide grooves which are in one-to-one correspondence with the support shafts are formed in the worm wheel, the second guide grooves extend along an involute of the connecting shaft, and one end of each support shaft is movably mounted in each second guide groove; the mounting cavity is rotatably provided with a worm matched with the worm wheel, and one end of the worm is fixedly provided with a knob located on the outer side of the clamping seat in an extending mode.

As a further improvement, a shallow groove extending along the length direction of the first guide groove is arranged on the side wall of the first guide groove, and a convex block matched with the shallow groove is arranged on the guide block.

Due to the adoption of the technical scheme, the rust removing device comprises a bottom plate, wherein a pipe fitting supporting mechanism is arranged on the bottom plate, the bottom plate is also provided with a derusting mechanism positioned above the pipe fitting supporting mechanism, the derusting mechanism comprises a gantry support which is movably arranged on the bottom plate from left to right, a lifting seat is fixedly connected below the top plate through a vertically extending hydraulic cylinder, two fixed shafts extending left and right are arranged in the mounting groove in a front-back opposite rotating mode, moving shafts extending left and right are respectively arranged on the inner sides of the lower ends of the two swinging plates in a rotating mode, an annular supporting belt is sleeved on the outer sides of the two fixed shafts and the two moving shafts, the outer surface of the supporting belt is provided with a sand paper layer, an elastic piece for pulling the upper end of the swinging plate to rotate inwards is arranged between the upper end of the swinging plate and the lifting seat, and the supporting belt is fixedly connected to the sliding block; when the supporting belt moves back and forth, the steel pipe is polished and derusted through the sand paper layer, the steel pipe is driven to rotate through the clamping seat, and the supporting belt is driven to move along the length direction of the steel pipe by matching with the second driving motor, so that the derusting work of the whole steel pipe is completed, and the steel pipe derusting machine has the advantage of labor saving; the arrangement of the elastic piece enables the upper end of the swinging plate to elastically rotate outwards within a certain range, so that the contact area between the supporting belt and the steel pipe is favorably increased, the supporting belt is pressed on the steel pipe by matching with the auxiliary shaft, and the invention has the advantage of high rust removal efficiency; the two second sliding blocks are driven to move inwards through the second bidirectional stud, so that the two auxiliary shafts are close to each other, or the two second sliding blocks are driven to move outwards through the second bidirectional stud, so that the two auxiliary shafts are far away from each other, and the steel pipes with different diameters are matched, so that the steel pipe matching device has the advantage of good applicability; the first two-way stud drives the two first sliding blocks to move inwards to increase the pressure of the supporting belt on the steel pipe, so that the polishing effect is improved, or the first two-way stud drives the two first sliding blocks to move outwards to reduce the pressure of the supporting belt on the steel pipe, so that excessive polishing is avoided, and the steel pipe polishing device has the advantage that the rust removal effect is convenient to adjust; when the steel pipe is fixed, the end part of the steel pipe cannot be separated from the clamping seat by the support blocks which are abutted against the inner wall of the steel pipe, and the support blocks are supported on the inner side of the steel pipe, so that polishing dead corners are avoided, and the steel pipe rust removing device has the advantage of good rust removing effect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion I of FIG. 1;

FIG. 3 is a schematic left side view of FIG. 1;

FIG. 4 is a schematic structural view of the lifting base of FIG. 3;

FIG. 5 is a schematic structural view of the mounting block of FIG. 4;

FIG. 6 is a schematic structural diagram of a clamping seat according to an embodiment of the present invention;

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

fig. 8 is a schematic left side view of fig. 6.

In the figure: 1-a bottom plate; 2-gantry support; 3-a top plate; 4-standing the plate; 5-a hydraulic cylinder; 6-lifting seat; 7-mounting grooves; 8-fixed shaft; 9-a swing plate; 10-axle pin; 11-a moving shaft; 12-a support belt; 13-sandpaper layer; 14-a mounting block; 15-a slide cavity; 16-a slide block; 17-avoiding holes; 18-a first drive motor; 19-a disc; 20-a first minor axis; 21-a second minor axis; 22-elongated holes; 23-a connecting rod; 24-a shaft sleeve; 25-a first runner; 26-a first slider; 27-a tension spring; 28-a first bidirectional stud; 29-a first adjustment motor; 30-a second chute; 31-a second slider; 32-a mounting plate; 33-an auxiliary shaft; 34-a second bidirectional stud; 35-a second adjustment motor; 36-a slide; 37-a screw rod; 38-a second drive motor; 39-a fixed seat; 40-a movable seat; 41-long groove; 42-electric push rod; 43-a connecting shaft; 44-a holder; 45-a third drive motor; 46-a mounting cavity; 47-a first guide groove; 48-a guide block; 49-support shaft; 50-a support block; 51-a worm gear; 52-second guide groove; 53-worm; 54-a knob; 55-shallow grooves; 56-bumps; 57-steel tube.

Detailed Description

As shown in fig. 1 to 8, a rust removing device comprises a bottom plate 1, wherein a pipe support mechanism is arranged on the bottom plate 1, and a rust removing mechanism positioned above the pipe support mechanism is also arranged on the bottom plate 1; the derusting mechanism comprises a gantry support 2 movably arranged on the bottom plate 1 from left to right, the gantry support 2 comprises a top plate 3 and two vertical plates 4 fixedly arranged at the front end and the rear end of the top plate 3 relatively, a lifting seat 6 is fixedly connected below the top plate 3 through a vertically extending hydraulic cylinder 5, the lifting seat 6 is driven to be lowered to be close to the steel pipe 57 through extension of the hydraulic cylinder 5, or the lifting seat 6 is driven to be lifted to be far away from the steel pipe 57 through contraction of the hydraulic cylinder 5. The bottom of the lifting seat 6 is provided with a mounting groove 7 extending forwards and backwards, and two fixed shafts 8 extending leftwards and rightwards are mounted in the mounting groove 7 in a forward and backward relative rotating manner; two swinging plates 9 which extend vertically are arranged in the mounting groove 7 in a front-back opposite mode, the two fixed shafts 8 are positioned on the inner sides of the two swinging plates 9, shaft pins 10 which extend leftwards and rightwards are fixedly mounted in the middle positions of the left side and the right side of each swinging plate 9 respectively, and the swinging plates 9 are rotatably mounted in the mounting groove 7 through the two shaft pins 10; the inner sides of the lower ends of the two swing plates 9 are respectively rotatably provided with a movable shaft 11 extending left and right, the outer sides of the two fixed shafts 8 and the two movable shafts 11 are sleeved with a supporting belt 12 which is annularly arranged, and the outer surface of the supporting belt 12 is provided with a sand paper layer 13; an elastic piece for pulling the upper end of the swing plate 9 to rotate towards the inner side is arranged between the upper end of the swing plate 9 and the lifting seat 6, the upper end of the swing plate 9 is pulled to rotate towards the inner side through the elastic piece, and the swing plate 9 drives the moving shaft 11 at the lower end to rotate towards the outer side around the shaft pin 10 so as to tightly support the supporting belt 12. Fixed mounting has in mounting groove 7 and is located two installation piece 14 between the dead axle 8, installation piece 14 is equipped with the smooth chamber 15 that extends around, sliding mounting has slider 16 in the smooth chamber 15, support belt 12 fixed connection be in on the slider 16, both ends are equipped with respectively around installation piece 14 with support belt 12 assorted dodges hole 17, be equipped with on the lift seat 6 and be used for driving slider 16 is followed smooth chamber 15 reciprocating motion's actuating mechanism, drives slider 16 along smooth chamber 15 reciprocating motion around through actuating mechanism, and slider 15 drives 12 back-and-forth movement and supports the belt, and the rust cleaning of polishing is carried out steel pipe 57 through abrasive paper layer 13 when supporting belt 12 back-and-forth movement.

In use, the steel pipe 57 is fixed by the support mechanism so that the steel pipe 57 is horizontally placed below the elevating base 6, as shown in fig. 1. Then the lifting seat 6 is driven to lower by extending the hydraulic cylinder 5, so that the supporting belt 12 is contacted with the outer surface of the steel pipe 57; the upper end of the swing plate 9 can be elastically rotated outwards within a certain range by the arrangement of the elastic member, so that after the support bands 12 are contacted with the outer surface of the steel tube 57, the bottom of the support bands 12 are recessed inwards due to the supporting function of the steel tube 57, the support bands 12 pull the two moving shafts 11 to rotate inwards around the shaft pin 10, as shown in fig. 3 and 4, so that the contact area of the support bands 12 and the steel tube 57 is increased, and the polishing efficiency is improved. Then, the driving mechanism drives the sliding block 16 to reciprocate back and forth along the sliding cavity 15, the sliding block 15 drives the supporting belt 12 to move back and forth, and the supporting belt 12 polishes and derusts the steel pipe 57 through the sand paper layer 13 when moving back and forth.

As shown in fig. 2 and 3, the driving mechanism includes two first driving motors 18 fixedly installed at the left and right sides of the lifting base 6, a disc 19 is coaxially and fixedly installed on the rotating shaft of the first driving motor 18, the axis of the disc 19 extends left and right, and a first small shaft 20 extending left and right is eccentrically and fixedly installed at the outer side of the disc 19; the left side and the right side of the sliding block 16 are respectively fixedly provided with a second small shaft 21 which extends left and right, the left side and the right side of the sliding cavity 15 corresponding to the position of the second small shaft 21 are respectively provided with a strip-shaped hole 22 which penetrates through the lifting seat 6, and the second small shaft 21 penetrates out of the corresponding strip-shaped hole 22 to the outer side of the lifting seat 6 and can move back and forth along the strip-shaped hole 22; a connecting rod 23 is arranged between the first small shaft 20 and the second small shaft 21 on the corresponding side, and shaft sleeves 24 matched with the first small shaft 20 and the second small shaft 21 are respectively arranged at two ends of the connecting rod 23.

When the sliding device is used, the first driving motor 18 drives the disc 19 to rotate, the disc 19 drives the first small shaft 20 to rotate around the axis of the disc 19 when rotating, the first small shaft 20 drives the second small shaft 21 to move back and forth along the elongated hole 22 through the connecting rod 23, and the second small shaft 21 drives the sliding block 16 to move back and forth along the sliding cavity 15.

As shown in fig. 4, the elastic member includes a first sliding slot 25 extending forward and backward on the top wall of the mounting slot 7, two first sliding blocks 26 are oppositely arranged in the first sliding slot 25 forward and backward, and a tension spring 27 is connected between each first sliding block 26 and the upper end of the corresponding swing plate 9; still be equipped with the first bidirectional stud 28 of syntropy extension in the first spout 25, be equipped with the opposite external screw thread of direction of rotation around the outside of first bidirectional stud 28 relatively, first bidirectional stud 28 rotates through the polished rod of tip and installs in first spout 25, two first sliding block 26 closes soon respectively on the external screw thread of the different direction of rotation of first bidirectional stud 28, fixed mounting has in the seat 6 is used for driving first bidirectional stud 28 pivoted first regulating motor 29.

The tension spring 27 is used for pulling the upper end of the swing plate 9 to rotate inwards, and the swing plate 9 drives the moving shaft 11 at the lower end to rotate outwards around the shaft pin 10 so as to tighten the supporting belt 12. In addition, when the support belt 12 contacts the outer surface of the steel pipe 57, the first adjusting motor 29 drives the first bidirectional stud 28 to rotate in the forward direction, and the first bidirectional stud 28 drives the two first sliding blocks 26 to move inwards when rotating in the forward direction, so that the stretching degree of the tension spring 27 is increased, the pressure of the support belt 12 on the steel pipe 57 is increased, and the polishing effect is improved; or the first adjusting motor 29 drives the first bidirectional stud 28 to rotate reversely, and the first bidirectional stud 28 drives the two first sliding blocks 26 to move outwards when rotating reversely, so that the stretching degree of the tension spring 27 is reduced, the pressure of the support belt 12 on the steel pipe 57 is reduced, the polishing effect is reduced, and excessive polishing is avoided.

As shown in fig. 4 and 5, a second sliding slot 30 extending back and forth is provided at the bottom of the mounting block 14, two second sliding blocks 31 are provided in the second sliding slot 30 in a back and forth opposite manner, a mounting plate 32 is fixedly mounted at the bottom of the second sliding block 31, an auxiliary shaft 33 extending left and right is rotatably mounted at the lower end of the mounting plate 32, and the auxiliary shaft 33 is located inside the support belt 12; a second bidirectional stud 34 extending in the same direction is further arranged in the second sliding groove 30, external threads with opposite rotation directions are oppositely arranged on the front side and the back side of the outer side of the second bidirectional stud 34, the second bidirectional stud 34 is rotatably installed in the second sliding groove 30 through a polished rod at the end part, the two second sliding blocks 31 are respectively screwed on the external threads with different rotation directions of the second bidirectional stud 34, and a second adjusting motor 35 for driving the second bidirectional stud 34 to rotate is fixedly installed in the installation block 14.

When the hydraulic cylinder 5 is extended to drive the lifting seat 6 to be lowered, the lifting seat 6 drives the auxiliary shaft 33 to be lowered, so that the auxiliary shaft 33 is in contact with the outer surface of the steel tube 57, and the auxiliary shaft 33 presses the support belt 12 on the steel tube 57, as shown in fig. 4, thereby further increasing the contact area between the support belt 12 and the steel tube 57 and improving the polishing efficiency. In addition, a second adjusting motor 35 drives a second bidirectional stud 34 to rotate in the forward direction, the second bidirectional stud 34 drives two second sliding blocks 31 to move inwards when rotating in the forward direction, and the second sliding blocks 31 drive two auxiliary shafts 33 to approach each other through a mounting plate 32; or the second adjusting motor 35 drives the second bidirectional stud 34 to rotate reversely, the second bidirectional stud 34 drives the two second sliding blocks 31 to move outwards when rotating reversely, and the second sliding blocks 31 drive the two auxiliary shafts 33 to move away from each other through the mounting plate 32, so that the steel pipes 57 with different diameters are matched.

Two slide ways 36 extending left and right are oppositely arranged on the bottom plate 1 in a front-back mode, and the lower ends of the two vertical plates 4 are respectively installed in the corresponding slide ways 36 in a sliding mode; the slide way 36 is internally provided with a lead screw 37 extending in the same direction, the lead screw 37 is rotatably installed in the slide way 36 through a polished rod at the end part, the lower end of the vertical plate 4 is connected to the lead screw 37 through a thread, and the bottom plate 1 is internally and fixedly provided with a second driving motor 38 for driving the lead screw 37 to rotate.

The second driving motor 38 drives the screw rod 37 to rotate, the screw rod 37 drives the vertical plate 4 to move left and right along the slide way 36 when rotating, the vertical plate 4 drives the lifting seat 6 to move left and right through the top plate 3, and the lifting seat 6 drives the supporting belt 12 to move along the length direction of the steel pipe 57.

The supporting mechanism comprises a fixed seat 39 and a movable seat 40 which are oppositely arranged on the bottom plate 1 from left to right, the fixed seat 39 is fixedly arranged on the bottom plate 1, a long groove 41 which extends from left to right is arranged on the bottom plate 1, the movable seat 40 is slidably arranged in the long groove 41, and an electric push rod 42 which is used for driving the movable seat 40 to move along the long groove 41 is fixedly arranged between the bottom plate 1 and the movable seat 40; fixing base 39 with the inboard of removing seat 40 rotates respectively and installs the connecting axle 43 of extending about, two the inner fixed mounting respectively of connecting axle 43 has holder 44, be equipped with fixture on holder 44, fixed mounting is used for driving correspondingly on the fixing base 39 connecting axle 43 pivoted third driving motor 45.

The movable base 40 is driven by the electric push rod 42 to move along the elongated slot 41 to adjust the distance between the fixed base 39 and the movable base 40 so as to match the steel pipes 57 with different lengths. The clamping mechanism is used for fixing the end part of the steel pipe 57, after the fixing is finished, the third driving motor 45 drives the clamping seat 44 on the fixing seat 39 to rotate, the clamping seat 44 drives the steel pipe 57 to rotate, and the second driving motor 38 is matched to drive the supporting belt 12 to move along the length direction of the steel pipe 57, so that the derusting work of the whole steel pipe 57 is completed.

As shown in fig. 6 to 8, the clamping mechanism includes a mounting cavity 46 located in the clamping seat 44, a plurality of first guide grooves 47 communicating with the mounting cavity 46 are provided on the inner side of the clamping seat 44, the length direction of the first guide grooves 47 extends along the radius of the connecting shaft 43, the plurality of first guide grooves 47 are uniformly arranged around the axis of the connecting shaft 43 at intervals, guide blocks 48 are slidably installed in the first guide grooves 47, a support shaft 49 parallel to the connecting shaft 43 is fixedly installed on the guide blocks 48, and a circular support block 50 located on the outer side of the clamping seat 44 is coaxially and fixedly installed at one end of the support shaft 49; a worm wheel 51 coaxial with the connecting shaft 43 is rotatably mounted in the mounting cavity 46, second guide grooves 52 corresponding to the support shafts 49 one to one are formed in the worm wheel 51, the second guide grooves 52 extend along the involute of the connecting shaft 43, and one end of each support shaft 49 is movably mounted in the second guide groove 52; a worm 53 matched with the worm wheel 51 is rotatably mounted in the mounting cavity 46, and a knob 54 located on the outer side of the clamping seat 44 is fixedly mounted at one end of the worm 53 in an extending manner.

When the steel pipe 57 is fixed, one end of the steel pipe 57 is sleeved outside the plurality of supporting blocks 50 of the clamping seat 44, the worm 53 is rotated in the forward direction, the worm wheel 51 is driven to rotate in the opposite direction to the rotating direction of the second guide groove 52 when the worm 53 rotates in the forward direction, the second guide groove 52 drives the guide block 48 to move towards one end far away from the connecting shaft 43 along the first guide groove 47 through the supporting shaft 49, and meanwhile, the supporting shaft 49 drives the supporting blocks 50 to abut against the inner wall of the steel pipe 57, so that the end part of the steel pipe 57 cannot be separated from the clamping seat 44; or after the rust removal is finished, the worm 53 is rotated reversely, the worm 53 drives the worm wheel 51 to rotate along the rotation direction of the second guide groove 52 when rotating reversely, the second guide groove 52 drives the guide block 48 to move towards one end close to the connecting shaft 43 along the first guide groove 47 through the support shaft 49, meanwhile, the support shaft 49 drives the support block 50 to loosen the inner wall of the steel pipe 57, and then the end part of the steel pipe 57 is taken down from the clamping seat 44.

The side wall of the first guide groove 47 is provided with a shallow groove 55 extending along the length direction of the first guide groove 47, the guide block 48 is provided with a convex block 56 matched with the shallow groove 55, and the guide block 48 is prevented from being separated from the first guide groove 47 through the matching of the shallow groove 55 and the convex block 56.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A rust removing device is characterized in that: the device comprises a bottom plate, wherein a pipe fitting supporting mechanism is arranged on the bottom plate, and a derusting mechanism positioned above the pipe fitting supporting mechanism is also arranged on the bottom plate; the derusting mechanism comprises a gantry support which is movably arranged on the bottom plate from left to right, the gantry support comprises a top plate and two vertical plates which are relatively and fixedly arranged at the front end and the rear end of the top plate, and a lifting seat is fixedly connected below the top plate through a vertically extending hydraulic cylinder; the bottom of the lifting seat is provided with a mounting groove extending forwards and backwards, and two fixed shafts extending leftwards and rightwards are mounted in the mounting groove in a front-back relative rotating mode; two swinging plates which extend vertically are arranged in the mounting groove in a front-back opposite mode, the two fixed shafts are positioned at the inner sides of the two swinging plates, shaft pins which extend leftwards and rightwards are fixedly mounted in the middle positions of the left side and the right side of each swinging plate respectively, and the swinging plates are rotatably mounted in the mounting groove through the two shaft pins; the inner sides of the lower ends of the two swing plates are respectively rotatably provided with a movable shaft extending left and right, the outer sides of the two fixed shafts and the two movable shafts are sleeved with an annular supporting belt, and the outer surface of the supporting belt is provided with a sand paper layer; an elastic piece for pulling the upper end of the swinging plate to rotate inwards is arranged between the upper end of the swinging plate and the lifting seat; fixed mounting has and is located two installation piece between the dead axle in the mounting groove, the smooth chamber that extends around being equipped with in the installation piece, sliding chamber slidable mounting has the slider, it connects to support the area fixed connection on the slider, the installation piece around both ends be equipped with respectively with support the assorted hole of dodging, be equipped with on the lift seat and be used for driving the slider is followed smooth chamber reciprocating motion's actuating mechanism.

2. A rust removing apparatus as claimed in claim 1, wherein: the driving mechanism comprises two first driving motors fixedly arranged on the left side and the right side of the lifting seat, a disc is coaxially and fixedly arranged on a rotating shaft of each first driving motor, the axis of the disc extends leftwards and rightwards, and a first small shaft extending leftwards and rightwards is eccentrically and fixedly arranged on the outer side of the disc; the left side and the right side of the sliding block are respectively fixedly provided with a second small shaft which extends leftwards and rightwards, the left side and the right side of the sliding cavity and the corresponding position of the second small shaft are respectively provided with a strip-shaped hole which penetrates through the lifting seat, and the second small shaft penetrates out of the corresponding strip-shaped hole to the outer side of the lifting seat and can move forwards and backwards along the strip-shaped hole; and a connecting rod is arranged between the first small shaft and the second small shaft on the corresponding side, and shaft sleeves matched with the first small shaft and the second small shaft are respectively arranged at two ends of the connecting rod.

3. A rust removing apparatus as claimed in claim 1, wherein: the elastic piece comprises a first sliding groove which is positioned on the top wall of the mounting groove and extends forwards and backwards, two first sliding blocks are oppositely arranged in the first sliding groove forwards and backwards, and tension springs are connected between the first sliding blocks and the upper ends of the corresponding swing plates; still be equipped with the first bidirectional stud that the syntropy extends in the first spout, be equipped with the opposite external screw thread of direction of rotation around the outside of first bidirectional stud relatively, first bidirectional stud rotates through the polished rod of tip to be installed in the first spout, two first sliding block closes soon respectively on the different external screw thread of direction of rotation of first bidirectional stud, fixed mounting has and is used for driving in the lift seat first bidirectional stud pivoted regulating motor.

4. A rust removing apparatus as claimed in claim 1, wherein: the bottom of the mounting block is provided with a second sliding chute extending forwards and backwards, two second sliding blocks are oppositely arranged in the second sliding chute forwards and backwards, a mounting plate is fixedly mounted at the bottom of each second sliding block, an auxiliary shaft extending leftwards and rightwards is rotatably mounted at the lower end of the mounting plate, and the auxiliary shaft is positioned on the inner side of the supporting belt; still be equipped with the two-way double-screw bolt of syntropy extension in the second spout, the outside front and back of the two-way double-screw bolt of second is equipped with the opposite external screw thread of direction of rotation relatively, the two-way double-screw bolt of second rotates through the polished rod of tip to be installed in the second spout, two the second sliding block closes soon respectively on the different direction of rotation's of the two-way double-screw bolt of second external screw thread, fixed mounting has in the installation piece and is used for driving the two-way double-screw bolt pivoted second adjustment motor.

5. A rust removing apparatus as claimed in claim 1, wherein: two slide ways extending left and right are oppositely arranged on the bottom plate in a front-back mode, and the lower ends of the two vertical plates are respectively installed in the corresponding slide ways in a sliding mode; the improved structure is characterized in that lead screws extending in the same direction are arranged in the slide ways, the lead screws are rotatably arranged in the slide ways through polished rods at the end parts, the lower ends of the vertical plates are in threaded connection with the lead screws, and a second driving motor used for driving the lead screws to rotate is fixedly arranged in the bottom plate.

6. A rust removing apparatus as claimed in claim 1, wherein: the supporting mechanism comprises a fixed seat and a movable seat which are oppositely arranged on the bottom plate from left to right, the fixed seat is fixedly arranged on the bottom plate, a long groove extending from left to right is arranged on the bottom plate, the movable seat is slidably arranged in the long groove, and an electric push rod for driving the movable seat to move along the long groove is fixedly arranged between the bottom plate and the movable seat; the fixing base with the inboard of removing the seat rotates respectively and installs the connecting axle that extends about, two the inner fixed mounting respectively of connecting axle has the grip slipper, be equipped with fixture on the grip slipper, fixed mounting has on the fixing base and is used for driving correspondingly connecting axle pivoted third driving motor.

7. A rust removing apparatus as claimed in claim 6, wherein: the clamping mechanism comprises an installation cavity located in the clamping seat, a plurality of first guide grooves communicated with the installation cavity are formed in the inner side of the clamping seat, the length direction of each first guide groove extends along the radius of the connecting shaft, the first guide grooves are uniformly arranged around the axis of the connecting shaft at intervals, guide blocks are arranged in the first guide grooves in a sliding mode, supporting shafts parallel to the connecting shaft are fixedly installed on the guide blocks, and circular supporting blocks located on the outer side of the clamping seat are coaxially and fixedly installed at one ends of the supporting shafts; a worm wheel coaxial with the connecting shaft is rotatably mounted in the mounting cavity, second guide grooves which are in one-to-one correspondence with the support shafts are formed in the worm wheel, the second guide grooves extend along an involute of the connecting shaft, and one end of each support shaft is movably mounted in each second guide groove; the mounting cavity is rotatably provided with a worm matched with the worm wheel, and one end of the worm is fixedly provided with a knob located on the outer side of the clamping seat in an extending mode.

8. A rust removing apparatus as claimed in claim 7, wherein: the side wall of the first guide groove is provided with a shallow groove extending along the length direction of the first guide groove, and the guide block is provided with a convex block matched with the shallow groove.