CN111299885A

CN111299885A - Detection and remanufacturing equipment for failure guide sleeve for oil cylinder

Info

Publication number: CN111299885A
Application number: CN201911232912.0A
Authority: CN
Inventors: 黄泉清; 刘润平; 栗靖; 董博; 李攀攀; 姜红; 吕园园; 朱明普; 靳怡博; 陈浩
Original assignee: Zhengzhou Suda Industrial Machinery Service Co ltd
Current assignee: Zhengzhou Suda Industrial Machinery Service Co ltd
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2020-06-19
Anticipated expiration: 2039-12-05
Also published as: CN111299885B

Abstract

The utility model provides a detection and refabrication equipment of inefficacy uide bushing for hydro-cylinder, the last sheave of installing four grooves of electricity main shaft, the last rotation of motor support is connected with the drive shaft, install on the drive shaft with sheave complex driver plate, install the cam in the drive shaft, install the latch segment in the pivot, it is 90 degrees circumference equipartitions and is equipped with two locking holes on the latch segment, the cam is equipped with nearly segmental arc and far segmental arc, the upper portion contact of cam has the top board, motor support is equipped with the check lock lever that can up-and-down motion, the check lock lever is connected with the locking spring of its downstream of drive, the check lock lever can stretch into and realize the restriction to the check lock in the locking hole, rotatable welder of installing on the supporting seat, welder's cavity one side. Realize horizontal welding process or vertical welding process of this equipment, can carry out accurate positioning to the position of motor casing and electric main shaft after switching simultaneously and fix, safe and reliable, the stability of carrying is good, improves the conveying precision of welding wire.

Description

Detection and remanufacturing equipment for failure guide sleeve for oil cylinder

Technical Field

The invention relates to the field of machining equipment, in particular to detection and remanufacturing equipment for a failure guide sleeve for an oil cylinder.

Background

The guide sleeve of the hydraulic cylinder plays a supporting role. During the extension of the hydraulic cylinder rod, the piston of the hydraulic cylinder keeps surface contact with the inner surface of the cylinder barrel, and the sealing performance of the guide sleeve and the cylinder is greatly related. Maintenance service statistics in the coal mining industry show that more than 60% of guide sleeves in the maintained hydraulic cylinders are scrapped and cannot be repaired. At present, the maintenance process of the guide sleeve in the industry generally comprises polishing, sand blasting, acid washing, galvanization and the like. The above processes are only directed to the treatment of the outer surface of metal, and the problems of deformation detection, rust pit and the like of the guide sleeve are always the bottleneck of remanufacturing of the guide sleeve. When the guide sleeve is repaired, a welding technology is adopted, the inner sleeve is welded, and then the turning processing is carried out on the welding part. The existing welding processing equipment adopts a horizontal or vertical processing mode, so that the processing and use of the guide sleeve are limited.

Disclosure of Invention

In view of the above situation, in order to overcome the defects of the prior art, the invention aims to provide a detection and remanufacturing device for a failure guide sleeve for an oil cylinder, which can realize switching between vertical welding processing and horizontal welding processing, improve the application range of the device, and simultaneously, stably and reliably convey welding wires.

The solution is that the detection and remanufacture equipment of the failure guide sleeve for the oil cylinder comprises a base and a motor support arranged on one side of the base, the motor support is connected with a motor box body through a rotating shaft in a rotating way, an electric spindle is arranged in the motor box body and extends out of the motor box body to be coaxially connected with a clamping structure, a grooved wheel with four grooves is arranged on the rotating shaft, a driving shaft is connected on the motor support in a rotating way, a driving plate matched with the grooved wheel is arranged on the driving shaft, a cam is arranged on the driving shaft, a locking block is arranged on the rotating shaft, two locking holes are circumferentially and uniformly distributed on the locking block at 90 degrees, the cam is provided with a near arc section and a far arc section, the upper part of the cam is contacted with an upper pressure plate, the motor support is provided with a locking rod capable of moving up and down, the locking rod is connected with a locking, through link rigid connection between top board and the check lock, the drive shaft is connected with the rotary driving device who drives its motion, the one end that the base deviates from motor support is fixed with the stand, be fixed with vertical guide rail on the stand, sliding connection has the mount pad about the vertical guide rail, is equipped with the first drive arrangement of drive mount pad up-and-down motion between mount pad and the stand, mount pad lower part sliding connection has transverse guide rail, is equipped with the second drive arrangement of drive transverse guide rail transverse motion between transverse guide rail and the mount pad, transverse guide rail is close to the one end of clamping structure and is equipped with the supporting seat, rotatable installation welder on the supporting seat, welder's cavity one side is fixed with thread feeding mechanism, welder is connected with the power.

Preferably, wire feeding mechanism includes the welding wire seat with welder fixed connection, and two sets of sprocket structures are installed to welding wire seat symmetry, all is fixed with a mounting on every inner plate of the chain of sprocket structure, and mounting sliding connection has the pressure bar, and the end fixing of pressure bar has the grip block, is equipped with the centre gripping pressure spring between grip block and the mounting, the structural piece that adds of two chains corresponds each other and adds and holds the welding wire, sprocket structure advances silk one side and is equipped with straightening mechanism, and straightening mechanism deviates from one side of sprocket structure and installs the welding wire dish, and one side that sprocket structure goes out the silk is equipped with the guide wire pipe.

Preferably, the straightening mechanism comprises an upper straightening wheel and a lower straightening wheel which are arranged on the welding wire seat, the upper straightening wheel is arranged above the lower straightening wheel in a staggered mode, and the bottommost end of the upper straightening wheel is located at the upper portion of the topmost end of the lower straightening wheel.

Preferably, one side of the upper straightening wheel close to the chain wheel structure is provided with an upper guide wheel and a lower guide wheel which are arranged on the welding wire seat.

Preferably, the sprocket middle part of sprocket structure is equipped with the supporting component, and the supporting component is including setting up the installation piece at the sprocket middle part, and the both sides of installation piece all are fixed with the slide bar, and the slide bar deviates from the equal sliding connection in one side of installation piece and has a supporting block, is equipped with the support pressure spring of cover on the slide bar between supporting block and the installation piece, the roller sliding contact of the chain of supporting block and sprocket structure.

Preferably, the drive plate comprises an outer convex circular arc and a drive rod fixed with the outer convex circular arc, the outer convex circular arc is matched with the inner arc in the groove in a concave mode and is locked with the grooved wheel, a drive pin is fixed at the end portion of the drive rod, and the drive pin extends into the radial groove of the grooved wheel.

Preferably, the first driving device comprises a first rack fixed on the upright column, a first gear engaged with the first rack, a first stepping motor and a first speed reducer, the first stepping motor is mounted on the mounting seat and connected with the first speed reducer, and an output shaft of the first speed reducer is coaxially and fixedly connected with a gear shaft of the first gear.

Preferably, the second driving device comprises a second rack fixed on the transverse guide rail, a second gear which is arranged on the mounting seat and meshed with the second rack, a second stepping motor and a second speed reducer, the second stepping motor is connected with the second speed reducer, and an output shaft of the second speed reducer is coaxially and fixedly connected with a gear shaft of the second gear.

The invention has the beneficial effects that: the orientation of the motor spindle can be accurately controlled, so that horizontal welding machining or vertical welding machining of the equipment can be realized, the positions of the motor shell and the motor spindle can be accurately positioned and fixed after switching, safety and reliability are realized, and the horizontal welding machining and the vertical welding machining of the equipment can be switched according to different conditions of the guide sleeve; the chain structure is adopted to carry out clamping conveying on the welding wires, the conveying stability is good, and the conveying precision of the welding wires is further improved.

Drawings

FIG. 1 is a schematic view of the structure of the present invention.

FIG. 2 is a right side view of FIG. 1 according to the present invention.

FIG. 3 is a top view of FIG. 1 in accordance with the present invention.

FIG. 4 is a rear view of FIG. 1 according to the present invention.

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

FIG. 6 is a schematic view of a wire feeder according to the present invention.

FIG. 7 is a partial schematic view of the chain structure of the present invention.

FIG. 8 is a partial schematic view of the chain structure of the present invention.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

The detection and remanufacturing equipment for the failure guide sleeve for the oil cylinder is given by figures 1 to 8 and comprises a base 1 and a motor support 2 arranged on one side of the base 1, wherein the motor support 2 is rotatably connected with a motor box body 3 through a rotating shaft, an electric spindle 4 is arranged in the motor box body 3, the electric spindle 4 extends out of the motor box body 3 and is coaxially connected with a clamping structure 5, the detection and remanufacturing equipment is characterized in that the clamping structure adopts a three-jaw chuck, the three-jaw chuck is coaxially and fixedly connected with the electric spindle, a grooved pulley 6 with four grooves is arranged on the rotating shaft, a driving shaft 7 is rotatably connected with the motor support 2, a driving plate 47 matched with the grooved pulley 6 is arranged on the driving shaft 7, a cam 48 is arranged on the driving shaft 7, a locking block 8 is arranged on the rotating shaft, two locking holes are circumferentially and uniformly distributed on the locking block 8 at 90 degrees, the cam 48 is provided with a near, the motor support 2 is provided with a locking rod 12 capable of moving up and down, the locking rod 12 is connected with a locking spring 13 for driving the locking rod 12 to move down, the locking rod 12 can extend into a locking hole to limit a locking block 8, the upper pressure plate 11 and the locking rod 12 are rigidly connected through a connecting frame 14, the driving shaft 7 is connected with a rotary driving device for driving the locking rod to move, one end of the base 1, which is far away from the motor support 2, is fixed with a stand column 15, the stand column 15 is fixed with a vertical guide rail 16, the vertical guide rail 16 is connected with an installation seat 17 in a vertical sliding manner, a first driving device for driving the installation seat 17 to move up and down is arranged between the installation seat 17 and the stand column 15, the lower part of the installation seat 17 is connected with a transverse guide rail 18 in a sliding manner, a second driving device for driving the transverse guide rail 18 to move transversely is arranged between the transverse guide rail 18, the welding gun 20 is rotatably mounted on the support seat 19, a wire feeding mechanism is fixed on one side of a cavity of the welding gun 20, and the welding gun 20 is connected with a power supply.

The rotary driving device comprises a driven gear, a driving motor and a driving speed reducer which are arranged on a driving shaft 7, the driving motor and the driving speed reducer are connected and fixed on the motor support 2, and a driving gear matched with the driven gear is arranged on an output shaft of the driving speed reducer. The drive motor drives the cam 48 and the dial 47 to rotate, when the dial 47 drives the grooved pulley 6 to rotate, the far arc section 10 of the cam 48 contacts with the upper pressure plate 11 at the moment, the locking rod 12 is located at the upper position, the locking rod 12 does not contact with the locking block 8 at the moment, the dial 47 drives the grooved pulley 6 to rotate, the drive shaft 7 rotates for a circle, and the dial 47 drives the grooved pulley 6 to rotate for 90 degrees, so that the rotation of the rotating shaft and the motorized spindle 4 is realized for 90 degrees. When the dial 47 drives the grooved wheel 6 to rotate 90 degrees, the upper pressure plate 11 contacts the near arc section 9 of the cam 48, and the locking pin enters the locking hole under the action of the locking spring 13, so that the locking block 8 is limited to rotate, and the rotation of the rotating shaft is limited. The initial position of the dial 47 is that the driving pin of the dial 47 is located at one end far away from the grooved wheel 6, when the dial 47 drives the grooved wheel 6 to rotate, firstly, the far arc section 10 of the cam 48 contacts with the upper pressure plate 11, then the dial 47 drives the grooved wheel 6 to rotate, after the grooved wheel 6 completes 90-degree rotation, the near arc section 9 of the cam 48 contacts with the upper pressure plate 11, and then the locking rod 12 enters the locking hole. When another mode needs to be switched, the rotary driving device drives the driving shaft 7 to rotate reversely for a circle, so that the switching of two different modes can be realized, after the two modes are switched, the welding gun rotates, and the welding gun also needs to rotate by corresponding 90 degrees along with the rotation of the electric spindle.

Wire feeder includes the welding wire seat 21 with welder fixed connection, and two sets of sprocket structures are installed to welding wire seat 21 symmetry, all is fixed with a mounting 23 on every inner plate of chain 22 of sprocket structure, and mounting 23 sliding connection has compressing rod 24, and compressing rod 24's end fixing has grip block 25, is equipped with centre gripping pressure spring 26 between grip block 25 and the mounting 23, two structural adding of chain 22 hold the piece each other and correspond and hold the welding wire, sprocket structure advances silk one side and is equipped with straightening mechanism, and straightening mechanism deviates from one side of sprocket structure and installs wire reel 27, and one side that the wire was gone out to the sprocket structure is equipped with guide wire pipe 46. The two opposite clamping blocks 25 on the two chain wheel structures are matched with each other, and the clamping blocks 25 are driven to move along with the rotation of the chain wheel structures, so that the welding wires are driven to advance. The driving chain wheels on the same side of the two chains 22 are connected with a driving chain wheel rotating driving mechanism, the chain wheel shafts of the driving chain wheels are provided with wire feeding gears, the two wire feeding gears are meshed with each other, one of the driving chain wheels is connected with a chain wheel driving device which drives the driving chain wheels to rotate, the chain wheel driving device comprises a chain wheel motor and a chain wheel speed reducer, the chain wheel motor is connected with the chain wheel speed reducer, and the output shaft of the chain wheel speed reducer is. The wire exits the sprocket arrangement and enters the guide wire tube 46.

The straightening mechanism comprises an upper straightening wheel 28 and a lower straightening wheel 29 which are arranged on the welding wire seat 21, wherein the upper straightening wheels 28 are arranged above the lower straightening wheels 29 in a staggered mode, and the bottommost end of the upper straightening wheels 28 is positioned at the upper portion of the uppermost end of the lower straightening wheels 29. The wire is wound through the upper portion of the lower straightener 29 and then through the lower portion of the upper straightener 28 into the sprocket arrangement, whereupon the wire is straightened by the upper straightener 28 and the lower straightener 29.

The upper straightening wheels 28 are provided with an upper guide wheel 30 and a lower guide wheel 31 mounted on the wire holder 21 on a side thereof adjacent to the sprocket structure. The welding wire enters the sprocket structure by passing through the lower straightening wheel 29, then the upper straightening wheel 28, and finally between the upper guide wheel 30 and the lower guide wheel 31, the upper guide wheel 30 and the lower guide wheel 31 can correct the entering direction of the welding wire into the sprocket structure,

the sprocket middle part of sprocket structure is equipped with supports the subassembly, supports the subassembly including setting up the installation piece 32 in the sprocket middle part, and the both sides of installation piece 32 all are fixed with slide bar 33, and slide bar 33 deviates from the equal sliding connection in one side of installation piece 32 and supports piece 34, supports to be equipped with the support pressure spring 35 of cover on slide bar 33 between piece 34 and the installation piece 32, support the roller sliding contact of piece 34 and sprocket structure's chain 22. The support assembly is capable of maintaining the two opposing clamping blocks 25 with sufficient clamping force to facilitate feeding of the welding wire.

The driving plate 47 comprises an outer convex arc and a driving rod fixed with the outer convex arc, the outer convex arc is concavely matched with the inner arc in the groove and is locked with the grooved wheel 6, a driving pin is fixed at the end part of the driving rod, and the driving pin extends into the radial groove of the grooved wheel 6.

The first driving device comprises a first rack 38 fixed on the upright post 15, a first gear 39 which is arranged on the mounting seat 17 and meshed with the first rack 38, a first stepping motor 40 and a first speed reducer 41, wherein the first stepping motor 40 is connected with the first speed reducer 41, and an output shaft of the first speed reducer 41 is coaxially and fixedly connected with a gear shaft of the first gear 39.

The second driving device comprises a second rack 42 fixed on the transverse guide rail 18, a second gear 43 arranged on the mounting seat 17 and meshed with the second rack 42, a second stepping motor 44 and a second speed reducer 45, wherein the second stepping motor 44 is connected with the second speed reducer 45, and an output shaft of the second speed reducer 45 is coaxially and fixedly connected with a gear shaft of the second gear 43.

The device can drive the motor shell to switch two directions under the driving of the rotary driving device, so as to perform transverse processing welding or vertical processing welding on the oil cylinder guide sleeve, the first stepping motor 40 can drive the welding gun 20 to adjust the vertical position through the first gear 39 and the first rack 38, when the device performs transverse welding processing, the vertical driving realizes the adjustment of the welding gun 20 on the distance of the inner wall of the guide sleeve, and when the device performs vertical welding processing, the vertical driving realizes the axial feeding of the guide sleeve welding. The second stepping motor 44 can drive the adjustment of the transverse position of the welding gun 20 through the second gear 43 and the second rack 42, when the equipment is used for transverse machining, the transverse driving realizes the adjustment of the axial distance between the welding gun 20 and the guide sleeve, and when the equipment is used for vertical welding, the transverse driving realizes the adjustment of the radial distance between the welding gun 20 and the inner wall of the guide sleeve.

The invention has the beneficial effects that: the orientation of the motor spindle can be accurately controlled, so that horizontal welding machining or vertical welding machining of the equipment can be realized, the positions of the motor shell and the electric spindle 4 can be accurately positioned and fixed after switching, safety and reliability are realized, and the horizontal welding machining and the vertical welding machining of the equipment can be switched according to different conditions of the guide sleeve; the chain 22 structure is adopted to carry out clamping conveying on the welding wires, the conveying stability is good, and the conveying precision of the welding wires is further improved.

The above-mentioned embodiments do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention by those skilled in the art should be included in the protection scope defined by the claims of the present invention without departing from the design concept of the present invention.

Claims

1. A detection and remanufacturing device for an invalid guide sleeve for an oil cylinder comprises a base (1) and a motor support (2) arranged on one side of the base (1), wherein the motor support (2) is rotatably connected with a motor box body (3) through a rotating shaft, an electric spindle (4) is arranged in the motor box body (3), the electric spindle (4) extends out of the motor box body (3) and is coaxially connected with a clamping structure (5), the detection and remanufacturing device is characterized in that a grooved pulley (6) with four grooves is arranged on the rotating shaft, a driving shaft (7) is rotatably connected on the motor support (2), a driving plate (47) matched with the grooved pulley (6) is arranged on the driving shaft (7), a cam (48) is arranged on the driving shaft (7), a locking block (8) is arranged on the rotating shaft, two locking holes are circumferentially and uniformly distributed on the locking block (8) at 90 degrees, and the cam (48, the upper portion of the cam (48) is contacted with an upper pressing plate (11), the motor support (2) is provided with a locking rod (12) capable of moving up and down, the locking rod (12) is connected with a locking spring (13) for driving the locking rod to move down, the locking rod (12) can stretch into a locking hole to limit a locking block (8), the upper pressing plate (11) and the locking rod (12) are rigidly connected through a connecting frame (14), a driving shaft (7) is connected with a rotary driving device for driving the locking rod to move, one end of the base (1) departing from the motor support (2) is fixedly provided with an upright post (15), a vertical guide rail (16) is fixedly arranged on the upright post (15), the vertical guide rail (16) is vertically and slidably connected with a mounting seat (17), a first driving device for driving the mounting seat (17) to move up and down is arranged between the mounting seat (17) and the upright post (15), the lower portion of the mounting seat (17) is slidably connected, be equipped with drive transverse guide (18) lateral motion's second drive arrangement between transverse guide (18) and mount pad (17), the one end that transverse guide (18) are close to the clamping structure is equipped with supporting seat (19), rotatable installation is gone up in supporting seat (19) welder (20), and the cavity one side of welder (20) is fixed with wire feeder, welder (20) are connected with the power.

2. The detection and remanufacturing equipment of the failure guide sleeve for the oil cylinder is characterized in that the wire feeding mechanism comprises a welding wire seat (21) fixedly connected with a welding gun, two groups of chain wheel structures are symmetrically installed on the welding wire seat (21), a fixing piece (23) is fixed on each inner chain plate of a chain (22) of each chain wheel structure, a pressing rod (24) is connected to the fixing piece (23) in a sliding mode, a clamping block (25) is fixed to the end portion of the pressing rod (24), a clamping pressure spring (26) is arranged between the clamping block (25) and the fixing piece (23), welding wires are correspondingly clamped by the clamping blocks on the two chain (22) structures, a straightening mechanism is arranged on one side, facing away from the chain wheel structures, of each chain wheel structure, a welding wire disc (27) is installed on one side, and a wire guide pipe (46) is arranged on one side, where wires are discharged.

3. The apparatus for detecting and remanufacturing a failed guide bush for a cylinder according to claim 2, wherein the straightening mechanism comprises an upper straightening wheel (28) and a lower straightening wheel (29) which are mounted on the wire holder (21), the upper straightening wheel (28) is mounted above the lower straightening wheel (29) in a staggered manner, and the lowermost end of the upper straightening wheel (28) is located at the upper portion of the uppermost end of the lower straightening wheel (29).

4. The detection and remanufacturing equipment for the failure guide sleeve for the oil cylinder is characterized in that one side, close to the chain wheel structure, of the upper straightening wheel (28) is provided with an upper guide wheel (30) and a lower guide wheel (31) which are installed on the welding wire seat (21).

5. The detection and remanufacturing equipment of the failure guide sleeve for the oil cylinder is characterized in that a supporting component is arranged in the middle of a chain wheel of the chain wheel structure and comprises a mounting block (32) arranged in the middle of the chain wheel, sliding rods (33) are fixed to two sides of the mounting block (32), a supporting block (34) is connected to one side, deviating from the mounting block (32), of each sliding rod (33) in a sliding mode, a supporting pressure spring (35) sleeved on each sliding rod (33) is arranged between each supporting block (34) and the corresponding mounting block (32), and the supporting blocks (34) are in sliding contact with rollers of a chain (22) of the chain wheel structure.

6. The detection and remanufacturing equipment of the failure guide sleeve for the oil cylinder is characterized in that the driving plate (47) comprises an outer convex circular arc and a driving rod fixed with the outer convex circular arc, the outer convex circular arc is concavely matched with an inner arc in the groove and locks the grooved wheel (6), a driving pin is fixed at the end part of the driving rod and extends into a radial groove of the grooved wheel (6).

7. The detection and remanufacturing equipment of the failure guide sleeve for the oil cylinder is characterized in that the first driving device comprises a first rack (38) fixed on the upright post (15), a first gear (39) which is arranged on the mounting seat (17) and is meshed with the first rack (38), a first stepping motor (40) and a first speed reducer (41), the first stepping motor (40) is connected with the first speed reducer (41), and an output shaft of the first speed reducer (41) is coaxially and fixedly connected with a gear shaft of the first gear (39).

8. The detection and remanufacturing equipment for the failure guide sleeve for the oil cylinder is characterized in that the second driving device comprises a second rack (42) fixed on the transverse guide rail (18), a second gear (43) arranged on the mounting seat (17) and meshed with the second rack (42), a second stepping motor (44) and a second speed reducer (45), the second stepping motor (44) is connected with the second speed reducer (45), and an output shaft of the second speed reducer (45) is coaxially and fixedly connected with a gear shaft of the second gear (43).