CN212330421U - Flange tool - Google Patents

Abstract

The utility model discloses a flange frock relates to machining technical field, and its technical scheme main points are: the flange comprises a pipe body and a disc body, and the disc body is annularly arranged on the outer side surface of one end of the pipe body; the flange tool comprises a rotating shaft, an installation disc and a sleeve body; the rotating shaft is rotatably arranged in the sleeve body, and the mounting disc is coaxially fixed at one end of the rotating shaft; an inner expansion clamp is coaxially arranged in the mounting disc and can abut against the inner wall of the pipe body, the outer side wall of the disc body can abut against the mounting disc, a pressing device is arranged on the outer side of the mounting disc and can press the disc body onto the end face of the mounting disc; the flange tool further comprises a supporting piece used for providing radial supporting force for the disc body, the supporting force direction of the supporting piece is opposite to the machining direction of the disc body, one end, far away from the disc body, of the supporting piece is connected with a sliding device, the sliding device can enable the supporting piece to move in a reciprocating mode in the radial direction of the disc body, the flange tool is more stable when the flange is machined through multiple fixation, and machining accuracy of the flange is improved.

Description

Flange tool

Technical Field

The utility model relates to the technical field of machining, in particular to flange frock.

Background

The power transmission device between the engine and the drive wheels of the automobile is called a transmission system of the automobile. In the transmission system of the automobile, the connecting part is continuously subjected to shearing and stretching impact, and once the connecting part fails, a safety accident is caused. The connection design scheme of the domestic heavy vehicle transmission system generally adopts a flange structure, end face rabbets are matched, the transmission system is connected by bolts, torque is transmitted by friction of two end faces and the bolts in the working process of the transmission system, the bearing torque of the bolts is large in the working process, and the shearing phenomenon of the bolts is easily caused under the impact of continuous shearing and stretching, so that the bolts are failed. In order to ensure the sufficient strength of the bolts, the size of parts needs to be increased as much as possible, the number of the bolts needs to be increased, so that the economic cost is increased, meanwhile, the matching precision requirement of the end face spigot is high, and the position requirement of a threaded hole of the flange is high.

The existing transmission system adopts the end face tooth part to solve the problem of insufficient bolt strength, namely two groups of straight teeth or straight grooves distributed at a certain angle are arranged on the connecting surfaces of the part, the straight teeth and the straight grooves of the two connecting surfaces are meshed to improve the bearing torque of the connecting part, meanwhile, the number of bolts and bolt holes can be correspondingly reduced, and the stable transmission of torque is ensured in the operation process of the end face tooth part. Two sets of face teeth need guarantee the concentricity in the course of working to reduce the cooperation error of joint face, but in the course of working of two sets of face teeth, can appear because of the not stable condition that leads to appearing the machining precision not enough of frock centre gripping.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a flange frock, it has the high advantage of machining precision.

The above technical purpose of the present invention can be achieved by the following technical solutions: a flange tool comprises a pipe body and a disc body, wherein the disc body is annularly arranged on the outer side surface of one end of the pipe body; the flange tool comprises a rotating shaft, a mounting disc and a sleeve body; the rotating shaft is rotatably arranged in the sleeve body, and the mounting disc is coaxially fixed at one end of the rotating shaft; an inner expansion clamp is coaxially arranged in the mounting disc and can abut against the inner wall of the pipe body, the outer side wall of the disc body can abut against the mounting disc, a pressing device is arranged on the outer side of the mounting disc and can press the disc body onto the end face of the mounting disc; the flange tool further comprises a supporting piece used for providing radial supporting force for the disc body, the supporting force direction of the supporting piece is opposite to the machining direction of the disc body, one end, far away from the disc body, of the supporting piece is connected with a sliding device, and the sliding device can enable the supporting piece to move in a reciprocating mode along the radial direction of the disc body.

Through the technical scheme, the inner expansion clamp abuts against the inner wall of the pipe body, the outer side wall of the disc body abuts against the mounting disc, and the inner expansion clamp and the mounting disc simultaneously apply opposite acting force to the flange to keep the flange fixed; the pressing device applies axial acting force to the flange to press the disc body of the flange onto the end face of the mounting disc, and the pressing device and the mounting disc simultaneously apply opposite acting force to the flange to keep the flange fixed; the supporting piece provides radial supporting force for the disc body, and the direction of the supporting force is opposite to the processing direction of the disc body, so that when the disc body is processed by a cutter, the supporting piece can provide enough supporting force for the disc body, a flange can be kept stable, and the condition that the flange shakes or the position deviates due to the influence of processing acting force is avoided; meanwhile, one end of the support piece, which is far away from the disc body, is connected with a sliding device, the sliding device can enable the support piece to reciprocate along the radial direction of the disc body, when the flange needs to be disassembled after machining, the sliding device enables the support piece to move along the radial direction to tightly support the disc body so as to provide enough supporting force for the disc body, and when the flange needs to be disassembled after machining, the sliding device enables the support piece to move along the radial direction to be far away from the disc body so that an operator can complete the; through the cooperation between internal expanding anchor clamps, closing device, support piece, the device that slides, give the triple fixed action of flange, can make the flange more stable when processing, make the machining precision of flange higher.

Preferably, the inner expansion clamp comprises an inner expansion pull rod and an inner expansion core, one end of the inner expansion pull rod penetrates through the inner expansion core and is connected with the inner expansion core in a sliding mode, the inner expansion pull rod penetrates through one end of the inner expansion core and extends to form a first protruding block, a compression ring is sleeved on the inner expansion core, the outer side wall of the compression ring can abut against the inner wall of the pipe body, the end face of the first protruding block abuts against the end face of the compression ring, the inner expansion pull rod can drive the compression ring to be away from the plate body, the outer side wall of the compression ring abuts against the inner side wall of the pipe body, and the inner side wall of the compression ring abuts against the outer side wall of the inner expansion core.

Through the technical scheme, because of the terminal surface of lug one offsets with the terminal surface of clamp ring and leans on, the disk body is kept away from in the motion of internal expanding pull rod drive clamp ring, when the disk body is kept away from in the motion of internal expanding pull rod drive clamp ring, the lateral wall of clamp ring offsets tightly with the inside wall of body, the inside wall of clamp ring offsets tightly with the lateral wall of the core that rises in, clamp ring, the body three forms the extrusion each other, the lateral wall of disk body offsets again and leans on with the mounting disc simultaneously, the effort that produces each other this moment can make the flange keep fixed.

Preferably, the pressing device comprises a plurality of chuck groups, each chuck group comprises a chuck and a first oil cylinder, and one end of each chuck is hinged with an output shaft of the first oil cylinder; the connecting blocks are pivoted on two sides of the chuck, a connecting lug is arranged on the end face of the first oil cylinder, the connecting blocks are pivoted with the connecting lugs, and the other end of the chuck can be tightly pressed on the end face of the disk body.

Through the technical scheme, when the flange needs to be machined, the output shaft of the first oil cylinder moves upwards to push the chuck to move upwards, and at the moment, the other end of the chuck abuts against the upper end face of the disc body downwards; when the flange needs to be disassembled, the output shaft of the first oil cylinder moves downwards to drive the chuck to move downwards, at the moment, the other end of the chuck is lifted upwards to be far away from the upper end face of the disc body, and at the moment, an operator can disassemble the flange for replacement.

Preferably, the sliding device comprises a supporting oblique block and a supporting main body, a first slide way and a second slide way are arranged on the supporting main body, the supporting piece is connected with the first slide way in a sliding mode, the supporting oblique block is connected with the second slide way in a sliding mode, a working inclined plane is arranged on the supporting oblique block, one end of the supporting piece can abut against the outer peripheral wall of the tray body, one end of the supporting piece, far away from the tray body, is matched with the sliding of the working inclined plane.

Through the technical scheme, the supporting piece moves along the first slide way, the first slide way can prevent the supporting piece from moving towards two sides, so that the supporting piece can only move along the direction of the first slide way, one end of the supporting piece is close to or far away from the disc body, one end of the supporting piece far away from the disc body can move along the working inclined plane, and the supporting inclined block can move along the second slide way; when the flange needs to be machined, the supporting piece slides to the higher side along the working inclined plane, and the supporting piece is close to the disc body along the first slide way until the supporting piece abuts against the outer peripheral wall of the disc body; when the flange needs to be disassembled, the supporting piece slides to the lower side along the working inclined plane, and the supporting piece is far away from the tray body along the first slide way.

Preferably, an oil cylinder II and an oil cylinder III are respectively arranged on two sides of the supporting main body, a pressing rod is fixedly connected to one end of the supporting inclined block, one end of the working inclined plane, which is close to the pressing rod, is lower than the other end of the pressing rod, the other end of the supporting inclined block can abut against the output end of the oil cylinder II, and one end of the pressing rod, which is far away from the supporting inclined block, can abut against the output end of the oil cylinder III.

Through the technical scheme, one end of the working inclined plane, which is close to the pressure lever, is lower than the other end of the working inclined plane; when the output end of the second oil cylinder pushes the support inclined block to move towards the other end, the support part is lifted due to the height of the working inclined plane, and one end of the support part is close to the disc body until the support part abuts against the outer peripheral wall of the disc body; when the output end of the oil cylinder III pushes the pressing rod to move towards the other end, at the moment, the height of the supporting piece is reduced due to the working inclined plane, and one end of the supporting piece is far away from the disc body.

Preferably, a pull block is arranged on one side of the support main body, the compression bar penetrates through the pull block to form a through hole, the through hole is in clearance fit with the compression bar, the pull block can abut against the support inclined block, and a second convex block is formed by extending one end of the compression bar close to the oil cylinder III; the pressing rod is provided with a spring, the spring is sleeved on the pressing rod, one end of the spring is abutted against the pulling block, and the other end of the spring is abutted against the lug.

Through above-mentioned technical scheme, the depression bar runs through in pulling the piece and can move along the through hole, the one end of spring with pull the piece and lean on, the other end and the lug of spring are two to support and lean on, the output when hydro-cylinder three promotes the depression bar motion, pull this moment and extrude the spring between piece and the lug two, when the effort that the depression bar was given to hydro-cylinder three disappears, the spring reconversion, and can make the depression bar move towards hydro-cylinder three directions, make it reset.

Preferably, the sleeve body is provided with a movement channel, a rack is connected in the movement channel in a sliding manner, a cylinder four is arranged outside the sleeve body, the output end of the cylinder four is fixedly connected with the rack, a gear is coaxially fixed on the rotating shaft, and the gear is meshed with the rack.

Through the technical scheme, the output end of the oil cylinder four drives the rack to move along the axial direction of the oil cylinder four, the rack drives the gear to rotate in the circumferential direction, the gear is fixedly connected with the rotating shaft, the gear rotates in the circumferential direction to drive the rotating shaft to rotate in the circumferential direction, the rotating shaft rotates in the circumferential direction to drive the flange to rotate in the circumferential direction, at the moment, the flange enables the machining position of the corresponding cutter to change through the circumferential rotation, and the flange does not need to be detached to be installed again so as to perform secondary machining at different.

Preferably, a first limiting block is coaxially arranged on the rotating shaft, the end face of the first limiting block is attached to the end face of the sleeve body, a first stop block and a second stop block are arranged on the end face of the sleeve body, and the first stop block and the second stop block can limit the first limiting block circumferentially.

Through the technical scheme, the rotation axis circumferential direction drives a stopper circumferential direction and rotates, the stopper circumferential direction angle is limited through the first stopper and the second stopper, the limitation of the flange circumferential direction angle is finally realized, and the confirmation of the flange processing position is more convenient.

Preferably, a bottom plate is arranged below the sleeve body, a base is arranged below the bottom plate, at least two oppositely arranged rotating supports are arranged at one end of the base, which is far away from the disc body, and the rotating supports are rotatably connected with the bottom plate; the outer side of the sleeve body is provided with a fifth oil cylinder, the base is provided with a lower chain joint, the output end of the fifth oil cylinder is connected with a piston rod, the piston rod is rotatably connected with the lower chain joint, the output end of the fifth oil cylinder is provided with a cylinder cover, and the cylinder cover is rotatably connected with the bottom plate

Through the technical scheme, the bottom plate is rotatably connected with the two oppositely arranged rotating supports, and the bottom plate can rotate around the connecting part of the bottom plate and the rotating supports; the piston rod is connected with the lower chain joint on the base in a rotating mode, the cylinder cover is matched with the bottom plate in a rotating mode, and the oil cylinder five can drive the bottom plate to rotate through the cylinder cover and the piston rod.

Preferably, a first channel is arranged on the base, a first support block is arranged on the upper end face of the base, a first central hole is formed in the first support block, the first channel is communicated with the first central hole, the upper end face of the first support block abuts against the lower end face of the bottom plate, and the bottom plate can seal the first central hole.

Through the technical scheme, after the bottom plate is rotated, the air can be ventilated through the first channel of the base, and the first channel is communicated with the first central hole, so that when the air can be discharged outwards from the first central hole, the bottom plate can be determined to be not stably placed after the bottom plate is rotated; when the gas is not discharged from the central hole, the bottom plate can be determined to be placed stably after rotating; place steady back at the frock, process the flange again, prevent not placing steadily and directly process because of the horizontal plane of frock, finally lead to the precision after the flange processing not enough.

To sum up, the utility model discloses the beneficial effect who contrasts in prior art does:

1. the flange is provided with triple fixing functions through the cooperation of the internal expansion clamp, the pressing device, the supporting piece and the sliding device, so that the flange is more stable during processing, and the processing precision of the flange is higher;

2. through the matching of the gear and the rack, the rotating shaft is driven to move circumferentially to further realize the circumferential rotation of the flange, and an operator does not need to disassemble and re-install the flange to realize the processing of different positions of the flange;

3. the limit of the circumferential rotation angle of the flange is realized through the matching of the first stop block, the second stop block and the first limiting block, the confirmation of an operator on the processing position of the flange is facilitated, and the overall working efficiency is improved;

4. through the cooperation of runing rest, ground bottom plate, five hydro-cylinders, can drive whole frock and realize rotating, accessible upset is got rid of in the course of working and is evaded the puzzlement that causes because of the space problem, has effectively improved the efficiency of processing.

Drawings

FIG. 1 is a first schematic structural diagram of an embodiment;

FIG. 2 is a sectional view of the embodiment;

FIG. 3 is a second schematic structural diagram according to an embodiment;

FIG. 4 is a schematic structural view of a flange of an embodiment;

FIG. 5 is an exploded view of the internal expanding clamp of the embodiment;

FIG. 6 is an enlarged view of part A of the embodiment;

FIG. 7 is a cross-sectional view of an embodiment of a clamp ring;

FIG. 8 is a schematic structural view of a collet set of an embodiment;

FIG. 9 is an exploded view of the first embodiment of the glide assembly;

FIG. 10 is a schematic structural view of a gear and rack of an embodiment;

FIG. 11 is an enlarged view of part B of the embodiment;

FIG. 12 is a schematic structural diagram between a base plate and a base according to an embodiment;

fig. 13 is a schematic structural view of the pull block and the support oblique block of the embodiment.

Reference numerals: 1. a rotating shaft; 2. mounting a disc; 3. a sleeve body; 6. an internal expanding clamp; 61. an inner expansion pull rod; 62. an internal expanding core; 621. a first bump; 63. a compression ring; 631. a first inclined plane; 632. a second inclined plane; 633. a third inclined plane; 634. a fourth slope; 7. a pressing device; 71. a chuck group; 711. a chuck; 712. a first oil cylinder; 7121. a connection bump; 713. connecting blocks; 8. a support member; 81. supporting the ejector rod; 9. a slipping device; 91. supporting the inclined block; 911. a working bevel; 92. a support body; 921. a first slideway; 922. a second slideway; 93. a second oil cylinder; 94. a third oil cylinder; 95. a pressure lever; 951. a second bump; 96. pulling the block; 961. a through hole; 962. a groove; 97. a spring; 10. a motion channel; 11. a rack; 12. a fourth oil cylinder; 13. a gear; 14. a first limiting block; 15. a first stop block; 16. a second stop block; 17. a base plate; 18. a base; 181. an inlet I; 182. an inlet II; 19. rotating the bracket; 20. a fifth oil cylinder; 21. a lower chain joint; 22. a piston rod; 23. a cylinder cover; 24. a first channel; 25. a first supporting block; 251. a first central hole; 26. a drive shaft; 27. a sixth oil cylinder; 33. a fixed block; 34. fixing grooves; 35. a second supporting block; 36. a tray body; 37. a pipe body; 38. and fixing the cover plate.

Detailed Description

In the description of the present invention, it should be noted that the terms "upper", "lower", "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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

The present invention will be described in further detail with reference to the accompanying drawings.

A flange tool is shown in fig. 1 to 13, and a flange comprises a pipe body 37 and a disc body 36, wherein the disc body 36 is arranged on the outer side surface of one end of the pipe body 37 in a surrounding mode.

The flange tool comprises a rotating shaft 1, a mounting disc 2, a sleeve body 3, a bottom plate 17 and a base 18.

The cover body 3 is arranged on the upper end surface of the bottom plate 17, the bottom plate 17 is arranged on the upper end surface of the base 18, the rotating shaft 1 is rotatably arranged in the cover body 3, and the mounting disc 2 is coaxially fixed at one end of the rotating shaft 1.

An inner expansion clamp 6 is coaxially arranged in the mounting disc 2, the inner expansion clamp 6 can abut against the inner wall of the tube body 37, the outer side wall of the disc body 36 can abut against the mounting disc 2, the inner expansion clamp 6 comprises an inner expansion pull rod 61 and an inner expansion core 62, a placing groove is formed in the mounting disc 2, the inner expansion core 62 is placed in the placing groove, one end of the inner expansion pull rod 61 penetrates through the inner expansion core 62 and is connected with the inner expansion core 62 in a sliding manner, the inner expansion pull rod 61 penetrates through one end of the inner expansion core 62 and extends to form a first bump 621, the other end of the inner expansion pull rod 61 is in threaded connection with the transmission shaft 26, the other end of the transmission shaft 26 is in threaded connection with a sixth oil cylinder 27, a compression ring 63 is sleeved on the inner expansion core 62, the compression ring 63 has a certain elastic deformation function, the outer side wall of the compression ring 63 can abut against the inner wall of the tube body 37, the end face, far, the inner wall of clamp ring 63 is close to both ends punishment and is provided with first inclined plane 631 and second inclined plane 632 respectively, and the outer wall of internal expanding core 62 is provided with third inclined plane 633 and fourth inclined plane 634, and internal expanding pull rod 61 can drive clamp ring 63 and keep away from disk body 36, makes clamp ring 63's lateral wall support tightly in the inside wall of body 37, and clamp ring 63's inside wall supports tightly in the lateral wall of internal expanding core 62, and first inclined plane 631 offsets with third inclined plane 633 and leans on, and second inclined plane 632 offsets with fourth inclined plane 634 and leans on.

Mounting mode of the internal expanding clamp 6:

firstly, the inner expansion core 62 is placed in the placing groove of the mounting disc 2, the pressing ring 63 is sleeved on the inner expansion core 62, the inner expansion pull rod 61 is inserted into the inner expansion core 62, one end of the inner expansion pull rod 61, which is far away from the convex block, penetrates through the inner expansion core 62 to be in threaded connection with the transmission shaft 26, and the end face of the first convex block 621 abuts against the end face of the pressing ring 63.

The dismounting mode of the internal expanding clamp 6 is as follows:

the internal expansion pull rod 61 can only abut against the driving compression ring 63 to be away from the disc body 36 through the first bump 621 and the compression ring 63, the internal expansion pull rod 61 cannot drive the compression ring 63 to be close to the disc body 36, when the internal expansion pull rod 61 is detached, the internal expansion pull rod 61 can only be detached firstly, and then the flange is taken out outwards to bring the compression ring 63 out.

The outer side of the mounting disc 2 is provided with a pressing device 7, the pressing device 7 can press the disc body 36 to the end face of the mounting disc 2, the pressing device 7 comprises three chuck groups 71, the chuck groups 71 are pressed on the end face of the disc body 36 under the premise of not influencing the machining process of the cutter, each chuck group 71 comprises a chuck 711 and a first oil cylinder 712, and one end, far away from the flange, of the chuck 711 is hinged with an output shaft of the first oil cylinder 712; the both sides of chuck 711 all the pin joint have connecting block 713, be provided with on the terminal surface of hydro-cylinder 712 connecting lug 7121, connecting block 713 and the pin joint of connecting lug 7121, the other end of chuck 711 can compress tightly on the terminal surface of disk body 36, also can adopt and set up the support in the mounting disc 2 outside, the horizontal side of support sets up in the top of flange, threaded hole has been seted up on the horizontal side, threaded hole female connection has the bolt, the accessible rotates the bolt, realization bolt one end and the terminal surface counterbalance of disk body 36 tightly.

The working mode of the pressing device 7 is as follows:

when the flange disc 36 is pressed tightly, the output end of the first oil cylinder 712 drives the chuck 711 to move axially, so that one end of the chuck 711, which is far away from the disc 36, is lifted, and the other end of the chuck 711 is pressed tightly against the upper end face of the disc 36; when the flange needs to be disassembled, the output end of the first oil cylinder 712 drives the chuck 711 to move axially, so that one end of the chuck 711, which is far away from the disc body 36, is pressed downwards, and the other end of the chuck 711 is lifted up to be far away from the upper end surface of the disc body 36.

The flange tool further comprises a supporting piece 8 used for providing radial supporting force for the disc body 36, the supporting force direction of the supporting piece 8 is opposite to the machining direction of the disc body 36, one end, far away from the disc body 36, of the supporting piece 8 is connected with a sliding device 9, the sliding device 9 enables the supporting piece 8 to do reciprocating motion along the radial direction of the disc body 36, preferably, the supporting piece 8 comprises a supporting ejector rod 81, and one end, close to the disc body 36, of the supporting ejector rod 81 is in an arc shape and can abut against the outer peripheral wall of the disc body 36.

The sliding device 9 comprises a supporting oblique block 91 and a supporting main body 92, a first slideway 921 and a second slideway 922 are arranged on the supporting main body 92, a supporting piece 8 is connected with the first slideway 921 in a sliding manner, the supporting oblique block 91 is connected with the second slideway 922 in a sliding manner, two fixed cover plates 38 for sealing and sliding the first slideway 921 and the second slideway 922 are fixed on the supporting main body 92, a working inclined plane 911 is arranged on the supporting oblique block 91, one end of the supporting piece 8 can abut against the outer peripheral wall of the disc body 36, the end surface of the supporting ejector rod 81 far away from one end of the disc body 36 is in an inclined plane shape and can tightly abut against and be matched with the working inclined plane 911 in a sliding manner, a second oil cylinder 93 and a third oil cylinder 94 are respectively arranged on two sides of the supporting main body 92, a pressing rod 95 is fixedly connected with one end of the supporting oblique block 91, one end of the working inclined plane 911, one end of the pressure lever 95, which is far away from the support inclined block 91, can be abutted against the output end of the oil cylinder III 94; a pull block 96 is arranged on one side of the support main body 92, a groove 962 is formed in the pull block 96, the support inclined block 91 can abut against the inner wall of the groove 962, a through hole 961 is formed by penetrating the press rod 95 through the pull block 96, the through hole 961 is in clearance fit with the press rod 95, the pull block 96 can abut against the support inclined block 91, and a second convex block 951 is formed by extending one end of the press rod 95 close to the third oil cylinder 94; the compression rod 95 is provided with a spring 97, the spring 97 is sleeved on the compression rod 95, one end of the spring 97 abuts against the pull block 96, and the other end of the spring 97 abuts against the second projection 951.

The working mode of the sliding device 9 and the support member 8 is as follows:

when the supporting member 8 needs to be abutted against the outer peripheral wall of the disc body 36, the output end of the second oil cylinder 93 pushes the supporting inclined block 91 to one end of the third oil cylinder 94 until the supporting member 8 is abutted against the outer peripheral wall of the disc body 36; when the flange needs to be disassembled after machining is completed, the output end of the oil cylinder III 94 pushes the support inclined block 91 to one end of the oil cylinder II 93 at the moment, so that the spring 97 is in a pressing state, and one end, close to the disc body 36, of the support frame moves towards a direction far away from the disc body 36; when the second oil cylinder 93 applies acting force to the supporting inclined block 91 or the third oil cylinder 94 applies acting force to the pressing rod 95, the spring 97 is finally in a compressed state, and after the acting force applied by the second oil cylinder 93 or the third oil cylinder 94 is lost, the supporting inclined block 91 can return to the initial proper position by the force generated by the elastic deformation of the spring 97, and the supporting piece 8 can also return to the initial proper position, so that the effect of returning can be achieved.

The sleeve body 3 is provided with a movement channel 10, a rack 11 is connected in the movement channel 10 in a sliding manner, two oil cylinders four 12 are arranged outside the sleeve body 3, output ends of the two oil cylinders four 12 are fixedly connected with two ends of the rack 11, a gear 13 is coaxially fixed on the rotating shaft 1, a fixing block 33 is formed by extending the rotating shaft 1, a fixing groove 34 is formed in the gear 13, the fixing block 33 is inserted into the fixing groove 34, and the gear 13 is meshed with the rack 11.

The rotating shaft 1 is coaxially provided with a first limiting block 14, the end face of the first limiting block 14 is attached to the end face of the sleeve body 3, the end face of the sleeve body 3 is provided with a first stop block 15 and a second stop block 16, the first stop block 15 and the second stop block 16 can circumferentially limit the first limiting block 14, it is to be noted that a circumferential angle formed by the first stop block 15 and the second stop block 16 is the same as a rotation angle required by flange machining, and related to actual machining, the circumferential angle formed by the first stop block 15 and the second stop block 16 is greater than 0 degree and smaller than or equal to 90 degrees, preferably, the circumferential angle formed by the first stop block 20 and the second stop block 21 is 70 degrees.

The working mode of circumferential rotation of the flange is as follows:

when the flange needs to be rotated, the output end of the oil cylinder four 12 drives the rack 11 to move axially, the rack 11 is meshed with the gear 13, the gear 13 rotates, the gear 13 and the rotating shaft 1 are fixedly connected with the fixing groove 34 through the fixing block 33, the gear 13 rotates to drive the rotating shaft 1 to rotate, and the rotating shaft 1 rotates to drive the flange to rotate.

Two oppositely arranged rotating supports 19 are arranged at one end of the base 18, which is far away from the disc body 36, the rotating supports 19 are rotatably connected with the bottom plate 17, preferably, the rotating supports 19 are hinged with the bottom plate 17, and the bottom plate 17 can rotate around a hinge point of the bottom plate 17 and the rotating supports 19 or can be pivoted; an oil cylinder five 20 is arranged on the outer side of the sleeve body 3, a lower chain joint 21 is arranged on the base 18, the output end of the oil cylinder five 20 is connected with a piston rod 22, the piston rod 22 is rotatably connected with the lower chain joint 21, the output end of the oil cylinder five 20 is provided with a cylinder cover 23, the cylinder cover 23 is rotatably connected with the bottom plate 17, and preferably, the cylinder cover 23 is hinged with the bottom plate 17 or can be pivoted; preferably, the number of the five oil cylinders 20 is two, and the five oil cylinders are respectively arranged on two sides of the sleeve body 3, and the number of the corresponding lower chain joints 21, the number of the corresponding piston rods 22 and the number of the corresponding cylinder covers 23 are two and are all arranged at corresponding positions on two sides of the sleeve body 3.

The base 18 is provided with a first channel 24, the first channel 24 is provided with a first inlet 181 and a second inlet 182 on the side wall and the upper end face of the base 18 respectively, the upper end face of the base 18 is provided with a first support block 25, the first support block 25 is provided with a first central hole 251, the first channel 24 is communicated with the first central hole 251, the upper end face of the first support block 25 abuts against the lower end face of the bottom plate 17, and the bottom plate 17 can seal the first central hole 251; preferably, the lower end surface of the bottom plate 17 is provided with a second supporting block 35, the end surface of the second supporting block 35 far away from the bottom plate 17 abuts against the end surface of the first supporting block 25 close to the bottom plate 17, and the first central hole 251 is blocked by the second supporting block 35.

The method for checking whether the bottom plate 17 is stably placed after rotating comprises the following steps:

firstly, gas is filled from the first inlet 181 on the side wall of the base 18, the gas is discharged from the second inlet 182, and then enters the first central hole 251 from the second inlet 182, and because the first central hole 251 is sealed by the second supporting block 35, whether gas is discharged from the position where the first supporting block 25 abuts against the second supporting block 35 is checked, if gas is discharged, the rotating bottom plate 17 is not stably placed, and if no gas is discharged, the rotating bottom plate 17 is placed on the same horizontal plane, and the placing is stable.

The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention, which is defined by the appended claims.

Claims (10)

1. A flange tool comprises a pipe body (37) and a disc body (36), wherein the disc body (36) is arranged on the outer side face of one end of the pipe body (37) in a surrounding mode; it is characterized in that;

the flange tool comprises a rotating shaft (1), a mounting disc (2) and a sleeve body (3);

the rotating shaft (1) is rotatably arranged in the sleeve body (3), and the mounting disc (2) is coaxially fixed at one end of the rotating shaft (1);

an inner expansion clamp (6) is coaxially arranged in the mounting disc (2), the inner expansion clamp (6) can abut against the inner wall of the pipe body (37), the outer side wall of the disc body (36) can abut against the mounting disc (2), a pressing device (7) is arranged on the outer side of the mounting disc (2), and the disc body (36) can be pressed on the end face of the mounting disc (2) by the pressing device (7);

the flange tool further comprises a supporting piece (8) used for providing radial supporting force for the disc body (36), the supporting force direction of the supporting piece (8) is opposite to the machining direction of the disc body (36), one end, far away from the disc body (36), of the supporting piece (8) is connected with a sliding device (9), and the sliding device (9) can enable the supporting piece (8) to do radial reciprocating motion along the disc body (36).

2. A flange tooling as claimed in claim 1, wherein: the internal expansion clamp (6) comprises an internal expansion pull rod (61) and an internal expansion core (62), one end of the internal expansion pull rod (61) penetrates through the internal expansion core (62) and is connected with the internal expansion core (62) in a sliding way, the inner expansion pull rod (61) penetrates through one end of the inner expansion core (62) to extend to form a first convex block (621), a compression ring (63) is sleeved on the internal expansion core (62), the outer side wall of the compression ring (63) can be abutted against the inner wall of the pipe body (37), the end surface of the first projection (621) abuts against the end surface of the compression ring (63), the internal expansion pull rod (61) can drive the compression ring (63) to be away from the disc body (36), so that the outer side wall of the compression ring (63) is tightly pressed against the inner side wall of the pipe body (37), the inner side wall of the compression ring (63) abuts against the outer side wall of the internal expansion core (62).

3. A flange tooling as claimed in claim 1, wherein: the pressing device (7) comprises a plurality of chuck (711) groups (71), each chuck (711) group (71) comprises a chuck (711) and a first oil cylinder (712), and one end of each chuck (711) is hinged with an output shaft of the first oil cylinder (712); the two sides of the chuck (711) are respectively pivoted with a connecting block (713), the end face of the first oil cylinder (712) is provided with a connecting convex block (7121), the connecting block (713) is pivoted with the connecting convex block (7121), and the other end of the chuck (711) can be pressed on the end face of the disc body (36).

4. A flange tooling as claimed in claim 1, wherein: slide device (9) including supporting sloping block (91) and supporting subject (92), support subject (92) are gone up and have been seted up slide one (921) and slide two (922), support piece (8) with slide one (921) are slided and are connected, support sloping block (91) with slide two (922) are slided and are connected, be provided with work inclined plane (911) on supporting sloping block (91), the one end of support piece (8) can with the periphery wall counterbalance of disk body (36) leans on, the disk body (36) one end of keeping away from of support piece (8) with the cooperation of sliding of work inclined plane (911).

5. A flange tooling according to claim 4, wherein: the both sides of supporting main part (92) are provided with hydro-cylinder two (93) and hydro-cylinder three (94) respectively, the one end fixedly connected with depression bar (95) of supporting sloping block (91), work inclined plane (911) are close to the one end of depression bar (95) is less than its other end, the other end of supporting sloping block (91) can with the output of hydro-cylinder two (93) offsets and leans on, depression bar (95) are kept away from support sloping block (91) one end can with the output of hydro-cylinder three (94) offsets and leans on.

6. A flange tooling according to claim 5, wherein: a pull block (96) is arranged on one side of the support main body (92), a through hole (961) is formed in the press rod (95) in a penetrating mode through the pull block (96), the through hole (961) is in clearance fit with the press rod (95), the pull block (96) can be abutted against the support inclined block (91), and a second convex block (951) is formed in one end, close to the third oil cylinder (94), of the press rod (95) in an extending mode; the pressing rod (95) is provided with a spring (97), the spring (97) is sleeved on the pressing rod (95), one end of the spring (97) abuts against the pulling block (96), and the other end of the spring (97) abuts against the second projection (951).

7. A flange tooling as claimed in claim 1, wherein: the sleeve body (3) is provided with a moving channel (10), the moving channel (10) is connected with a rack (11) in a sliding manner, a cylinder (12) is arranged outside the sleeve body (3), the output end of the cylinder (12) is fixedly connected with the rack (11), a gear (13) is coaxially fixed on the rotating shaft (1), and the gear (13) is meshed with the rack (11).

8. A flange tooling as claimed in claim 1, wherein: the coaxial stopper (14) that is provided with on rotation axis (1), the terminal surface of stopper (14) with the terminal surface of the cover body (3) pastes mutually and leans on, the terminal surface of the cover body (3) is provided with dog one (15) and dog two (16), dog one (15) with dog two (16) can be right stopper one (14) circumference is spacing.

9. A flange tooling as claimed in claim 1, wherein: a bottom plate (17) is arranged below the sleeve body (3), a base (18) is arranged below the bottom plate (17), at least two opposite rotary supports (19) are arranged at one end, far away from the disc body (36), of the base (18), and the rotary supports (19) are rotatably connected with the bottom plate (17); the outside of the cover body (3) is provided with five (20) of hydro-cylinder, be provided with down link joint (21) on base (18), the output of five (20) of hydro-cylinder is connected with piston rod (22), piston rod (22) with down link joint (21) rotate and connect, the output of five (20) of hydro-cylinder is provided with cylinder cap (23), cylinder cap (23) with bottom plate (17) rotate and connect.

10. A flange tooling as claimed in claim 9, wherein: the base (18) is provided with a first channel (24), the upper end face of the base (18) is provided with a first supporting block (25), the first supporting block (25) is provided with a first central hole (251), the first channel (24) is communicated with the first central hole (251), the upper end face of the first supporting block (25) abuts against the lower end face of the bottom plate (17), and the bottom plate (17) can seal the first central hole (251).

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