CN209811573U

CN209811573U - Positioning tool for flange machining

Info

Publication number: CN209811573U
Application number: CN201920403035.8U
Authority: CN
Inventors: 周雪梅
Original assignee: Kaizhen Technology (jiangsu) Co Ltd
Current assignee: Kaizhen Technology (jiangsu) Co Ltd
Priority date: 2019-03-27
Filing date: 2019-03-27
Publication date: 2019-12-20
Anticipated expiration: 2029-03-27

Abstract

The utility model relates to the technical field of original paper fixing accessories, in particular to a positioning tool for flange processing, wherein original paper can be conveniently rotated when being fixed, and the fixing effect is better, so that the adaptability of the tool is improved, and the use limitation is reduced; comprises a placing block, a left supporting plate and a right supporting plate; still include the transmission shaft, first cover spring, first flexible pipe, left splint and right splint, left splint right side and right splint left side all are provided with the skid resistant course, still include the handle, link and spliced pole, the spliced pole includes flexible pipe of second cover spring and second, still include annular magnet slabstone, be provided with iron plate on the link, still include the pivot, left support plate right side middle part is provided with rotates the groove, the pivot left end is provided with the rotor plate, still include a supporting bench, motor and rotation post, a supporting bench is installed and is being placed a left side, the motor is installed on a supporting bench top, it is connected with motor right side output to rotate the post left end, and it is provided with the screw thread to rotate the post outside.

Description

Positioning tool for flange machining

Technical Field

The utility model relates to a technical field of the fixed auxiliary device of original paper especially relates to a flange processing is with location frock.

Background

As is well known, a positioning tool for flange processing is an auxiliary device which is used for roughly limiting and fixing an original piece in the flange processing process so as to better perform subsequent operation, and is widely used in the field of original piece fixing; the existing positioning tool for flange machining comprises a placing block, a left supporting plate and a right supporting plate, wherein the bottom ends of the left supporting plate and the right supporting plate are respectively arranged on the left side and the right side of the top end of the placing block; when the existing positioning tool for flange machining is used, the placing block is placed and installed on a working surface, and the left side and the right side of the placing block are roughly limited and fixed through the left supporting plate and the right supporting plate; present flange processing is with location frock discovery in using, its original paper can not conveniently rotate when fixed, and fixed effect is also relatively poor to lead to its adaptability relatively poor, use the limitation higher.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a its original paper can enough conveniently rotate when fixed, and fixed effect is also better to improve its adaptability, reduce the flange processing of using the limitation and use location frock.

The utility model discloses a flange processing is with location frock, including placing piece, left branch fagging and right branch fagging; the device also comprises a transmission shaft, a first casing spring, a first telescopic pipe, a left clamping plate and a right clamping plate, wherein the right end of the first casing spring is connected with the left end of the transmission shaft, the left end of the first casing spring is connected with the right clamping plate, the right end of the first telescopic pipe is connected with the left end of the transmission shaft, the left end of the first telescopic pipe is connected with the right clamping plate, the first casing spring is sleeved outside the first telescopic pipe, the right side of the left clamping plate and the left side of the right clamping plate are both provided with anti-skidding layers, the device also comprises a handle, a connecting frame and a connecting column, the right end of the transmission shaft penetrates through the left side of the right supporting plate and extends out to the right side of the right supporting plate, the handle is rotatably arranged on the right side of the connecting frame, the connecting column comprises a second casing spring and a second telescopic pipe, the left end of the second casing spring is connected with the right end of the transmission shaft, the right end of the second telescopic, still include the annular and inhale indisputable slabstone, the rotatable suit of indisputable slabstone is inhaled to the annular is in the transmission shaft outside, and the annular is inhaled indisputable slabstone and is installed on right branch fagging right side, be provided with iron plate on the link, iron plate adsorbs and is inhaled indisputable slabstone department in the annular, still include the pivot, left branch fagging right side middle part is provided with rotates the groove, the pivot left end is provided with the rotor plate, the rotor plate is located and rotates inslot portion, and the rotor plate can rotate the groove relatively and rotate, the pivot right-hand member is connected with left splint, right branch fagging's bottom is installed and is being placed a top right side, still include a supporting bench, motor and rotation post, a supporting bench installs and is placing a left side, the.

The utility model discloses a flange processing is with location frock, still include the bottom plate, four group's screwed pipes and four group's threaded rods, bottom plate top left front side, right front side, left rear side and right rear side all are provided with first standing groove, and all be provided with first ball bearing and first spacing piece in four group's first standing groove, four group's first standing groove top all is provided with first separation blade, four group's screwed pipe's bottom is passed four group's first separation blade respectively and is inserted respectively to four group's first ball bearing inside and be connected with four group's first spacing pieces, four group's threaded rod bottoms insert respectively and spiral shell dress to four group's screwed pipe tops inside, four group's threaded rod tops all with place the piece bottom and be connected.

The utility model discloses a flange processing is with location frock still includes and rotates handle, connecting rod, dwang, first gear and four group's second gears, and four group's second gears suit respectively are fixed in four group's screwed pipe outsides, and four group's second gears all with first gear engagement, and first gear suit is fixed in the dwang outside, rotates the rotatable fixing on the connecting rod, and the dwang top is connected with the connecting rod bottom.

The utility model discloses a flange processing is with location frock, bottom plate top middle part is provided with the second standing groove to be provided with the spacing piece of second ball bearing and second in the second standing groove, second standing groove top is provided with the second separation blade, and the bottom of dwang is passed the second separation blade and is inserted inside and be connected with the spacing piece of second to second ball bearing.

The utility model discloses a flange processing is with location frock, first gear bottom left side and right side all are provided with the gyro wheel, and the bottom of two sets of gyro wheels all contacts with the bottom plate top.

The utility model discloses a flange processing is with location frock still includes two sets of auxiliary blocks, and two sets of auxiliary blocks are installed respectively and are being placed piece top left side and middle part, and two sets of inside logical grooves that transversely all are provided with of auxiliary block, and two sets of logical inslot side walls all can be rotated and are fixed with the bearing group, rotate the post right-hand member and pass and be located left bearing group and insert to the bearing group portion that is located the middle part.

The utility model discloses a flange processing is with location frock, the half region on the left side in bottom plate top transversely is provided with the slide rail to but be fixed with the slide in slide rail department slidable, the bottom at left support plate is installed to the slide.

The utility model discloses a flange processing is with location frock, the fixed cover in the transmission shaft outside is equipped with the position circle, and position circle and the contact of right branch fagging.

Compared with the prior art, the beneficial effects of the utility model are that: the original paper can be clamped by the left clamping plate and the right clamping plate, the right clamping plate is driven to transversely move by the first sleeve spring, the distance between the left clamping plate and the right clamping plate is adaptive to the size of the original paper, the original paper can be conveniently fixed when placed, the first telescopic pipe assists the first sleeve spring not to be easily distorted and deformed, meanwhile, the original paper on the transmission shaft can be driven to rotate by manually rotating the handle, the original paper is more practical, the rotation is more labor-saving due to the design that the handle can rotate, the clamping reliability can be improved by two sets of anti-slip layers, the original paper can conveniently rotate when fixed, the fixing effect is better, the adaptability is improved, the use limitation is reduced, the iron plate is adsorbed at the annular iron-absorbing plate to facilitate the limiting of the handle, the transmission shaft is convenient to be fixed, when the handle needs to rotate, the handle is manually pulled to move to, make iron plate and annular magnet slabstone no longer adsorb, convenient rotation, it is difficult for distortion to assist second cover spring when supporting the pivoted through the scalable pipe auxiliary stay of second, the rotor plate can rotate the rotatory design of groove relatively and make things convenient for left splint to support supplementary rotation when fixed, and is more practical, can rotate the post through the motor drive rotation, because left support plate makes when rotating the post rotation with the spiral shell dress that rotates the post, left support plate slides to left side or right side, the convenience presss from both sides the dress to the great original paper of size difference, the motor is the common electrical part in market, only need connect according to the instruction book electricity that together buys back when buying the use and can use, the event is no longer repeated here.

Drawings

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

FIG. 2 is an enlarged partial view of portion A of FIG. 1;

FIG. 3 is an enlarged view of a portion B of FIG. 1;

FIG. 4 is an enlarged partial view of portion C of FIG. 1;

in the drawings, the reference numbers: 1. placing the blocks; 2. a left support plate; 3. a right support plate; 4. a drive shaft; 5. a first set of springs; 6. a left splint; 7. an anti-slip layer; 8. a handle; 9. a connecting frame; 10. a second set of springs; 11. an annular magnet stone plate; 12. an iron plate; 13. a rotating shaft; 14. a rotating sheet; 15. a support table; 16. a motor; 17. rotating the column; 18. a base plate; 19. a threaded pipe; 20. a threaded rod; 21. a first baffle plate; 22. rotating the handle; 23. a connecting rod; 24. rotating the rod; 25. a first gear; 26. a second gear; 27. a second baffle plate; 28. a roller; 29. an auxiliary block; 30. a slide plate; 31. and (6) positioning rings.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1 to 4, the positioning tool for flange processing of the present invention comprises a placing block 1, a left supporting plate 2 and a right supporting plate 3; the telescopic pipe is characterized by further comprising a transmission shaft 4, a first casing spring 5, a first telescopic pipe, a left clamp plate 6 and a right clamp plate, wherein the right end of the first casing spring 5 is connected with the left end of the transmission shaft 4, the left end of the first casing spring 5 is connected with the right clamp plate, the right end of the first telescopic pipe is connected with the left end of the transmission shaft 4, the left end of the first telescopic pipe is connected with the right clamp plate, the first casing spring 5 is sleeved outside the first telescopic pipe, anti-skid layers 7 are arranged on the right side of the left clamp plate 6 and the left side of the right clamp plate respectively, the telescopic pipe further comprises a handle 8, a connecting frame 9 and a connecting column, the right end of the transmission shaft 4 penetrates through the left side of the right support plate 3 and extends to the right side of the right support plate 3, the handle 8 is rotatably arranged on the right side of the connecting frame 9, the connecting column comprises a second casing spring 10 and a second telescopic pipe, the left end, the right end of the second telescopic pipe is connected with the left end of a connecting frame 9, a second set of springs 10 is sleeved outside the second telescopic pipe, the second telescopic pipe also comprises an annular iron-absorbing stone plate 11, the annular iron-absorbing stone plate 11 is rotatably sleeved outside a transmission shaft 4, the annular iron-absorbing stone plate 11 is arranged on the right side of a right supporting plate 3, an iron plate 12 is arranged on the connecting frame 9 and is adsorbed at the annular iron-absorbing stone plate 11, the second telescopic pipe also comprises a rotating shaft 13, a rotating groove is arranged in the middle of the right side of the left supporting plate 2, a rotating sheet 14 is arranged at the left end of the rotating shaft 13, the rotating sheet 14 is positioned in the rotating groove and can rotate relative to the rotating groove, the right end of the rotating shaft 13 is connected with a left clamping plate 6, the bottom end of the right supporting plate 3 is arranged on the right side of the top end of a placing block 1, the second telescopic pipe also comprises a supporting table, the outer side of the rotating column 17 is provided with threads, and the lower part of the left supporting plate 2 is sleeved outside the rotating column 17 in a threaded manner; the original paper can be clamped by the left clamping plate and the right clamping plate, the right clamping plate is driven to transversely move by the first sleeve spring, the distance between the left clamping plate and the right clamping plate is adaptive to the size of the original paper, the original paper can be conveniently fixed when placed, the first telescopic pipe assists the first sleeve spring not to be easily distorted and deformed, meanwhile, the original paper on the transmission shaft can be driven to rotate by manually rotating the handle, the original paper is more practical, the rotation is more labor-saving due to the design that the handle can rotate, the clamping reliability can be improved by two sets of anti-slip layers, the original paper can conveniently rotate when fixed, the fixing effect is better, the adaptability is improved, the use limitation is reduced, the iron plate is adsorbed at the annular iron-absorbing plate to facilitate the limiting of the handle, the transmission shaft is convenient to be fixed, when the handle needs to rotate, the handle is manually pulled to move to, make iron plate and annular magnet slabstone no longer adsorb, convenient rotation, it is difficult for distortion to assist second cover spring when supporting the pivoted through the scalable pipe auxiliary stay of second, the rotor plate can rotate the rotatory design of groove relatively and make things convenient for left splint to support supplementary rotation when fixed, and is more practical, can rotate the post through the motor drive rotation, because left support plate makes when rotating the post rotation with the spiral shell dress that rotates the post, left support plate slides to left side or right side, the convenience presss from both sides the dress to the great original paper of size difference, the motor is the common electrical part in market, only need connect according to the instruction book electricity that together buys back when buying the use and can use, the event is no longer repeated here.

The utility model discloses a flange processing is with location frock still includes bottom plate 18, four group's screwed pipes 19 and four group's threaded rods 20, bottom plate 18 top left front side, right front side, left rear side and right rear side all are provided with first standing groove to all be provided with first ball bearing and first spacing piece in four group's first standing groove, four group's first standing groove top all is provided with first separation blade 21, the bottom of four group's screwed pipe 19 passes four group's first separation blade 21 respectively and inserts respectively to four group's first ball bearing inside and be connected with four group's first spacing piece, four group's threaded rods 20 bottom inserts respectively and screw assembly to four group's screwed pipe 19 top inside, four group's threaded rods 20 top all are connected with placing block 1 bottom; it can drive four sets of threaded rods through rotatory four sets of screwed pipes and carry out longitudinal movement, makes the original paper place the height and can conveniently adjust according to external machine needs, improves its adaptability, and first spacing piece is spacing to the screwed pipe, prevents that it from leaping up out first standing groove, and first spacing piece and screwed pipe rigid connection, and when the screwed pipe rotated, first spacing piece rotated along with it together to first ball bearing clamps between first separation blade and first spacing piece, can not leap up out first standing groove.

The utility model discloses a flange processing is with location frock still includes and rotates handle 22, connecting rod 23, dwang 24, first gear 25 and four groups of second gears 26, and four groups of second gears 26 are fixed in the outside of four groups of screwed pipes 19 of suit respectively, and four groups of second gears 26 all mesh with first gear 25, and first gear 25 suit is fixed in the outside of dwang 24, rotates handle 22 rotatable fixing on connecting rod 23, and the dwang 24 top is connected with connecting rod 23 bottom; it can make only to rotate first gear and can drive four group's second gears and rotate through four group's second gears all with first gear engagement's design to conveniently drive the screwed pipe and rotate, rotate the first gear that drives on the dwang through manual rotation, it is more convenient to adjust the use, but rotate the design of rotation makes its rotation more laborsaving.

The utility model discloses a flange processing is with location frock, 18 top middle parts of bottom plate are provided with the second standing groove to be provided with second ball bearing and second spacing piece in the second standing groove, and second standing groove top is provided with second separation blade 27, and the bottom of dwang 24 passes second separation blade 27 and inserts to the second ball bearing inside and is connected with the second spacing piece; it can assist the dwang to rotate more reliably through second ball bearing, and the spacing piece of second is spacing to the dwang, prevents that it from leaping up out the second standing groove, and the spacing piece of second and dwang rigid coupling, and when the dwang rotated, the spacing piece of second rotated along with it together to second ball bearing clamps between second separation blade and the spacing piece of second, thereby can not leap up out the second standing groove.

In the positioning tool for flange processing of the utility model, the left side and the right side of the bottom end of the first gear 25 are both provided with the rollers 28, and the bottom ends of the two groups of rollers 28 are both contacted with the top end of the bottom plate 18; it can conveniently rotate and improve the supporting effect through two sets of gyro wheels.

The utility model discloses a flange processing is with location frock still includes two sets of auxiliary blocks 29, and two sets of auxiliary blocks 29 are installed respectively in placing block 1 top left side and middle part, and transversely all are provided with logical groove in two sets of auxiliary blocks 29, and two sets of logical groove inside walls all can be rotated and be fixed with the bearing group, and the rotation post 17 right-hand member passes and lies in the bearing group on left side and inserts to the bearing group that lies in the middle part; it can conveniently rotate the post through the inside bearing assembly of two sets of auxiliary blocks and rotate and improve and rotate post supporting effect.

The utility model discloses a flange processing is with location frock, 18 top left half areas of bottom plate transversely are provided with the slide rail to slidable is fixed with slide plate 30 in the slide rail department, slide plate 30 installs in the bottom of left backup pad 2; the sliding plate can transversely slide at the sliding rail to facilitate the sliding column to rotate along with the rotation of the rotating column when the rotating column rotates, and only transversely moves.

The positioning tool for flange processing of the utility model fixes a positioning ring 31 outside a transmission shaft 4 in a fixed sleeve way, and the positioning ring 31 contacts with a right supporting plate 3; it can carry on spacingly through the position circle to the transmission shaft, makes the transmission shaft not excessively move to the right when fixed the original paper, improves and uses the reliability.

The utility model discloses a flange processing is with location frock, it is at the during operation, can clamp the original paper through left splint and right splint, and drive right splint through first set spring and carry out lateral shifting, make left splint and right splint interval adapt to the original paper size, when the original paper is placed, can conveniently fix, first flexible pipe assists first set spring difficult distortion, meanwhile, can drive the original paper on the transmission shaft to rotate through manual rotation handle, more practical, the design that the handle can rotate makes the rotation more laborsaving, can improve clamping reliability through two sets of skid resistant layers, the original paper can enough conveniently rotate when fixing, the fixed effect is also better, thereby improve its adaptability, reduce the use limitation, adsorb the convenient handle of annular magnet slab department and carry out spacing through the iron plate, thereby make things convenient for the transmission shaft to fix, when the handle needs to be rotated, the handle is pulled manually to move rightwards, so that the iron plate and the annular iron-absorbing stone plate are not adsorbed any more, the rotation is convenient, the rotation is supported by the second telescopic pipe in an auxiliary mode and is not easy to distort, the design that the rotating sheet can rotate relative to the rotating groove is convenient for the left clamping plate to support and fix and rotate in an auxiliary mode, the rotating sheet is more practical, the rotating column can be driven to rotate by the motor, when the rotating column rotates due to the fact that the rotating column is installed by the left supporting plate and the rotating column in a threaded mode, the left supporting plate slides towards the left side or the right side, original pieces with larger size difference can be clamped conveniently, the motor is a common electric device in the market, and when the motor is bought to be used, the electric connection can be; the four groups of threaded rods can be driven to longitudinally move by rotating the four groups of threaded pipes, so that the original placement height can be conveniently adjusted according to the requirements of external machines, the adaptive capacity of the original placement height is improved, the threaded pipes are limited by the first limiting sheet, the original pipes are prevented from jumping out of the first placement groove, the first limiting sheet is rigidly connected with the threaded pipes, the first limiting sheet rotates along with the threaded pipes when the threaded pipes rotate, and the first ball bearing is clamped between the first blocking sheet and the first limiting sheet and cannot jump out of the first placement groove; the four groups of second gears can be driven to rotate only by rotating the first gear through the design that the four groups of second gears are meshed with the first gear, so that the threaded pipes can be conveniently driven to rotate; the second ball bearing can assist the rotating rod to rotate more reliably, the second limiting piece limits the rotating rod to prevent the rotating rod from jumping out of the second placing groove, the second limiting piece is rigidly connected with the rotating rod, the second limiting piece rotates together with the rotating rod when the rotating rod rotates, and the second ball bearing is clamped between the second blocking piece and the second limiting piece, so that the second placing groove cannot be jumped out; the two groups of rollers can conveniently rotate and improve the supporting effect; the rotation of the rotation column can be facilitated through the bearing sets in the two groups of auxiliary blocks, and the support effect of the rotation column is improved; the sliding plate can slide transversely on the sliding rail, so that the sliding column is not easy to rotate along with the rotation of the rotating column when the rotating column rotates, and only moves transversely; can carry on spacingly through the position circle to the transmission shaft, make the transmission shaft when fixed the original paper not excessively move to the right, improve and use the reliability.

The utility model discloses a flange processing is with location frock, above the mounting means, the connected mode or the mode that sets up of all parts are welding, riveting or other common mechanical system, wherein can slide/rotate fixedly for sliding/not dropping under the rotation state, seal when sealed intercommunication is two connecting pieces intercommunications promptly, and concrete structure, model and the coefficient index of its all parts are its from taking the technique, as long as can reach all can implementing of its beneficial effect, the event is not adding the perusal more.

In the positioning tool for flange processing of the utility model, under the condition that no opposite explanation is made, the orientation words contained in the terms such as "up, down, left, right, front, back, inner, outer, vertical and horizontal" only represent the orientation of the term in the normal use state, or be a trivial term understood by those skilled in the art, and should not be considered as limiting the term, at the same time, the numerical terms "first," "second," and "third," etc. do not denote any particular quantity or order, but rather are used to distinguish one from another, furthermore, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements, but also includes other elements not expressly listed or inherent to such process, method, article, or apparatus.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A positioning tool for flange machining comprises a placing block (1), a left supporting plate (2) and a right supporting plate (3); it is characterized by also comprising a transmission shaft (4), a first sleeve spring (5), a first telescopic pipe, a left clamp plate (6) and a right clamp plate, wherein the right end of the first sleeve spring (5) is connected with the left end of the transmission shaft (4), the left end of the first sleeve spring (5) is connected with the right clamp plate, the right end of the first telescopic pipe is connected with the left end of the transmission shaft (4), the left end of the first telescopic pipe is connected with the right clamp plate, the first sleeve spring (5) is sleeved outside the first telescopic pipe, the right side of the left clamp plate (6) and the left side of the right clamp plate are both provided with an anti-skid layer (7), the left clamp also comprises a handle (8), a connecting frame (9) and a connecting column, the right end of the transmission shaft (4) passes through the left side of the right supporting plate (3) and extends out to the right side of the right supporting plate (3), the handle (8) is rotatably arranged on the right side of the connecting frame (9), the connecting column comprises a second sleeve spring (, the right end of a second set of spring (10) is connected with the left end of a connecting frame (9), the left end of a second telescopic pipe is connected with the right end of a transmission shaft (4), the right end of the second telescopic pipe is connected with the left end of the connecting frame (9), the second set of spring (10) is sleeved outside the second telescopic pipe, the device also comprises an annular iron-absorbing stone plate (11), the annular iron-absorbing stone plate (11) is rotatably sleeved outside the transmission shaft (4), the annular iron-absorbing stone plate (11) is arranged on the right side of a right supporting plate (3), an iron plate (12) is arranged on the connecting frame (9), the iron plate (12) is adsorbed at the annular iron-absorbing stone plate (11), the device also comprises a rotating shaft (13), the middle part of the right side of the left supporting plate (2) is provided with a rotating groove, the left end of the rotating shaft (13) is provided with a rotating sheet (14), the rotating sheet (14) is positioned inside the rotating groove, the rotating, the bottom of right branch fagging (3) is installed and is being placed piece (1) top right side, still includes brace table (15), motor (16) and rotation post (17), and brace table (15) are installed and are being placed piece (1) left side, and motor (16) are installed on brace table (15) top, rotate post (17) left end and are connected with motor (16) right side output, and rotate the post (17) outside and be provided with the screw thread, and left branch fagging (2) below spiral shell dress cover is established and is being rotated the post (17) outside.

2. The flange processing positioning tool according to claim 1, further comprising a bottom plate (18), four groups of threaded pipes (19) and four groups of threaded rods (20), wherein first placing grooves are formed in the left front side, the right front side, the left rear side and the right rear side of the top end of the bottom plate (18), first ball bearings and first limiting pieces are arranged in the four groups of first placing grooves, first blocking pieces (21) are arranged at the top ends of the four groups of first placing grooves, the bottom ends of the four groups of threaded pipes (19) respectively penetrate through the four groups of first blocking pieces (21), are respectively inserted into the four groups of first ball bearings and are connected with the four groups of first limiting pieces, the bottom ends of the four groups of threaded rods (20) are respectively inserted into the top ends of the four groups of threaded pipes (19) and are screwed into the top ends of the four groups of threaded pipes (19), and the top ends of the four groups of threaded rods (.

3. The flange processing is with location frock of claim 2, characterized by, still include and rotate handle (22), connecting rod (23), dwang (24), first gear (25) and four groups of second gears (26), four groups of second gears (26) are fixed in the outside of four groups of screwed pipes (19) of suit respectively, four groups of second gears (26) all mesh with first gear (25), first gear (25) suit is fixed in the outside of dwang (24), rotate handle (22) rotatable fixing on connecting rod (23), dwang (24) top and connecting rod (23) bottom are connected.

4. The flange processing positioning tool according to claim 3, wherein a second placing groove is formed in the middle of the top end of the bottom plate (18), a second ball bearing and a second limiting piece are arranged in the second placing groove, a second blocking piece (27) is arranged at the top end of the second placing groove, and the bottom end of the rotating rod (24) penetrates through the second blocking piece (27) to be inserted into the second ball bearing and connected with the second limiting piece.

5. The flange processing positioning tool according to claim 4, wherein rollers (28) are arranged on the left side and the right side of the bottom end of the first gear (25), and the bottom ends of the two groups of rollers (28) are in contact with the top end of the bottom plate (18).

6. The flange processing positioning tool according to claim 5, further comprising two sets of auxiliary blocks (29), wherein the two sets of auxiliary blocks (29) are respectively installed on the left side and the middle portion of the top end of the placing block (1), through grooves are transversely formed in the two sets of auxiliary blocks (29), bearing sets can be rotatably fixed on inner side walls of the two sets of through grooves, and the right end of the rotating column (17) penetrates through the bearing set on the left side and is inserted into the bearing set in the middle portion.

7. The flange processing positioning tool according to claim 6, characterized in that a slide rail is transversely arranged in the left half area of the top end of the bottom plate (18), a slide plate (30) is slidably fixed on the slide rail, and the slide plate (30) is installed at the bottom end of the left support plate (2).

8. The flange processing positioning tool according to claim 7, wherein a positioning ring (31) is fixedly sleeved outside the transmission shaft (4), and the positioning ring (31) is in contact with the right support plate (3).