CN210499871U

CN210499871U - Examine fixed mark spare machine of utensil and positioning mechanism thereof

Info

Publication number: CN210499871U
Application number: CN201920842399.6U
Authority: CN
Inventors: 余金娟; 全裕东
Original assignee: CHENGDU SHANGHOU TECHNOLOGY CO LTD
Current assignee: CHENGDU SHANGHOU TECHNOLOGY CO LTD
Priority date: 2019-06-05
Filing date: 2019-06-05
Publication date: 2020-05-12
Anticipated expiration: 2029-06-05

Abstract

The utility model discloses a checking fixture fixing and positioning machine and a positioning mechanism thereof, which comprises a rotary seat and a positioning mainboard, wherein the rotary seat is arranged at the lower end of the positioning mainboard, the fixing and displacement mode between a sliding locking clamping sleeve and a positioning connecting block on the novel checking fixture fixing and positioning machine and the positioning mechanism thereof is improved on the basis of the traditional mode that the rotary seat and the positioning mainboard are displaced and locked by a fixed thread clamping rod and a fastening nut, a connecting block stabilizing and propelling device is added in the sliding locking clamping sleeve, and the novel connecting block stabilizing and propelling device mainly drives the fixed thread clamping rod to displace left and right on the sliding locking clamping sleeve by a stabilizing and propelling screw rod and a thread propelling hole on the fixed thread clamping rod through the thread action, and the positioning connecting block is enabled to displace left and right at the bottom of the sliding locking clamping sleeve by the novel connecting block stabilizing and propelling device, can make the location connecting block can be more stable when moving about.

Description

Examine fixed mark spare machine of utensil and positioning mechanism thereof

Technical Field

The utility model belongs to the technical field of the positioning jig is relevant, concretely relates to examine a fixed component machine of calibrating and positioning mechanism thereof.

Background

The gauge is a simple tool for controlling various sizes (such as pore diameter, space size and the like) of products by industrial production enterprises, improves production efficiency and control quality, is suitable for products produced in large scale, such as automobile parts, to replace professional measuring tools, such as smooth plug gauges, threaded plug gauges, outer diameter snap gauges and the like. Meanwhile, the flexible detection tool is usually of a modular structure, and the manufacturing period is usually short.

The prior art of the checking fixture fixing workpiece machine and the positioning mechanism thereof has the following problems: when the existing checking fixture fixing workpiece machine and the positioning mechanism thereof displace the positioning connecting block rightwards to increase the positioning length of the whole positioning mechanism, it is also necessary to unscrew the fastening nuts at both ends of the fixed threaded clamping bars connecting the slide-locking collet and the positioning connection block to unlock the slide-locking collet and the positioning connection block, the positioning and connecting block can then be moved, which would make the operation of connecting the fixed slide-locking collet and the positioning and connecting block very cumbersome, and after the sliding locking collet and the positioning connection block are fixed by two fastening nuts, because the positioning mechanism needs to be frequently used, the fastening nuts for locking the sliding locking jacket and the positioning connecting block are easy to loosen, and then the loosening between the sliding locking jacket and the positioning connecting block is easy to generate, so that the normal use of the whole positioning mechanism can be influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an examine a fixed component machine and positioning mechanism thereof to solve and to fix through two fastening nut that put forward among the above-mentioned background art and press from both sides after cover and the positioning connection piece, because need often use this positioning mechanism, then can cause the fastening nut that locking slip lock pressed from both sides the cover and the positioning connection piece to produce easily not hard up like this, then can cause the problem that produces not hard up between slip lock pressed from both sides the cover and the positioning connection piece.

In order to achieve the above object, the utility model provides a following technical scheme: a gauge fixing and marking machine and a positioning mechanism thereof comprise a rotating seat and a positioning main board, wherein the rotating seat is arranged at the lower end of the positioning main board and fixedly connected with the positioning main board through a nut, a vertical mounting pillar is arranged at the lower side of the rotating seat, a rotating groove with an upward opening is arranged inside the upper end of the mounting pillar, the lower end of the rotating seat is connected inside the rotating groove, the rotating seat and the rotating groove are fixedly connected through a connecting shaft, a vertical pulling jacket is connected outside the outer walls of the two ends of the positioning main board close to the right side, the pulling jacket and the positioning main board are fixedly connected through a rotating connecting shaft, the uppermost end of the pulling jacket is connected with a handle, a connecting plate which transversely extends rightwards is connected inside the uppermost end of the positioning main board, the connecting plate and the positioning main board are fixedly connected through the rotating connecting shaft, and the outer, the positioning device is characterized in that the uppermost end of the positioning connecting jacket is fixedly connected with the pulling jacket through a rotating connecting shaft, the rightmost end of the connecting plate is connected with a sliding locking jacket, the lower end of the sliding locking jacket is connected with a positioning connecting block transversely extending rightwards, a positioning screw rod is arranged in the vertical inner portion of the rightmost end of the positioning connecting block, locking nuts are sleeved outside the circumferences of the positioning screw rods at the upper end and the lower end of the rightmost side of the positioning connecting block, a positioning head is connected to the bottommost end of the positioning screw rod, and the positioning head and the positioning screw rod.

Preferably, a connecting hole is formed in the vertical inner portion, close to the left side, of the positioning connecting block, a fixed thread clamping rod is connected to the inner portion of the circumference of the connecting hole, the upper end and the lower end of the fixed thread clamping rod are respectively arranged on the outer portion of the upper end of the sliding locking clamping sleeve and the outer portion of the lower end of the positioning connecting block, limiting blocking pieces are respectively sleeved on the outer portion of the circumference of the fixed thread clamping rod on the upper end of the sliding locking clamping sleeve and the outer portion of the circumference of the fixed thread clamping rod on the lower end of the positioning connecting block, limiting clamping pieces are respectively connected to the inner walls, opposite to the two ends, of the two limiting blocking pieces, are respectively sleeved on the outer portions of the outer walls of the two ends of the sliding locking clamping sleeve and the outer wall.

Preferably, a transverse thread pushing hole is formed in the center of the fixed thread clamping rod, two fixing holes are formed in the connecting block stable pushing device and are connected to the inner walls of the left end and the right end of the sliding locking clamping sleeve respectively, the openings of the two fixing holes are opposite, the rightmost end of the fixing hole in the right end of the sliding locking clamping sleeve is connected with an adjusting socket with the right opening, a transverse stable pushing screw rod is connected to the inner portion of the two fixing holes, the thread pushing hole is sleeved outside the circumference of the stable pushing screw rod, and an inner adjusting hole with the right opening is formed in the rightmost end of the stable pushing screw rod.

Preferably, the cross section of the inner adjusting hole is in a regular hexagon shape, the depth of the adjusting socket is equal to the depth of the two fixing holes, and the center point of the inner adjusting hole and the center of the adjusting socket are kept on the same horizontal straight line.

Preferably, the height of the positioning connecting block is half of that of the sliding locking jacket, the outer wall of the upper end of the positioning connecting block can be completely attached to the outer wall of the lower end of the sliding locking jacket, and the locking nut is just in contact with the outer wall of the right end of the sliding locking jacket after the positioning connecting block is adjusted to the left to the maximum distance.

Preferably, the maximum pulling angle of the connecting plate after being pulled upwards through the positioning connecting jacket and the pulling jacket is 60 degrees, and the positioning connecting jacket and the pulling jacket are overlapped and kept in a relatively parallel state when the connecting plate and the positioning main plate are in a right-angle state.

Compared with the prior art, the utility model provides an examine solid workpiece calibration machine and positioning mechanism thereof possesses following beneficial effect:

1. the utility model discloses an improve this neotype fixed mark spare machine of examining of utensil and the mode of fixed and displacement between slip locking clamp cover and the location connecting block on the positioning mechanism thereof, traditional carry out the displacement back and on the basis of locking through fixed thread clamping bar and fastening nut between the two, increase in the inside that slip locking presss from both sides the cover and stabilize advancing device with a connecting block, and this neotype stable advancing device of connecting block mainly is through stabilizing the screw propulsion hole that impels on screw rod and the fixed thread clamping bar and drive the fixed thread clamping bar through the screw action and control the displacement on slip locking clamp cover, and stabilize advancing device through this neotype connecting block and make the location connecting block move about slip locking presss from both sides the cover bottom, can make the location connecting block more stable when controlling, just calculate this moment make two spacing separation blades not make after the fastening nut that plays main connection relation between them produces not hard up on fixed thread clamping bar After the sliding locking jacket and the positioning connecting block can be firmly locked together, the novel connecting block stable propelling device can fix and hold the sliding locking jacket and the positioning connecting block, so that the sliding locking jacket and the positioning connecting block cannot be loosened even if the sliding locking jacket and the positioning connecting block are not fixed through a fastening nut and a fixed threaded clamping rod, and a positioning head at the bottom of a positioning screw can be ensured to stably and firmly position and lock a positioned object;

2. the utility model discloses when needs carry out the displacement to the right to fixing the location connecting block of pressing from both sides the cover bottom sliding locking and increase whole positioning mechanism's location length, this neotype connecting block stabilizes advancing device's individual principle of specific use as follows: at the moment, the fastening nuts at the upper end and the lower end of the fixed thread clamping rod for connecting the sliding locking jacket with the positioning connecting block are slightly unscrewed, then the hexagonal screwdriver is inserted into the adjusting socket inside the outer wall at the right end of the sliding locking jacket until the hexagonal screwdriver is inserted into the inner adjusting hole at the right end of the stable propelling screw through the adjusting socket, then the hexagonal screwdriver is rotated clockwise, at the moment, the rotating hexagonal screwdriver drives the stable propelling screw to rotate clockwise, the rotating stable propelling screw can move rightwards in the thread propelling hole on the fixed thread clamping rod through the thread action, and because the two ends of the stable propelling screw are fixed inside the fixing holes at the left end and the right end of the sliding locking jacket, the rotating stable propelling screw can push the fixed thread clamping rod rightwards through the thread action, and because the lower end of the fixed thread clamping rod is connected with the positioning connecting block, so the fixed thread clamping bar that moves about this moment right then can drive the activity of location connecting block right, thereby reach the location length that increases whole positioning mechanism, and because it comes to be connected fixedly with fixed thread clamping bar to stabilize the screw rod of impel through the inside screw thread propulsion hole of fixed thread clamping bar, so just this moment can not produce not hard up the condition to the slip lock clamp cover of connecting and location connecting block and take place when the fastening nut at fixed thread clamping bar both ends does not lock, thereby increase whole positioning mechanism's application range and stability in use.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic structural view of a gauge fixing part marking machine and a positioning mechanism thereof according to the present invention;

FIG. 2 is a schematic view of the connection mode of the sliding locking clamp sleeve and the positioning connecting block according to the present invention;

fig. 3 is a schematic view of the cross-sectional structure of the connecting block stable propulsion device provided by the present invention;

fig. 4 is a schematic view of an interior overlooking structure of the connecting block stable propelling device provided by the present invention;

in the figure: 1. mounting a support column; 2. a rotating tank; 3. a rotating base; 4. positioning the main board; 5. pulling the jacket; 6. rotating the connecting shaft; 7. a handle; 8. positioning and connecting the jacket; 9. a connecting plate; 10. a sliding locking jacket; 11. positioning a connecting block; 12. a locking nut; 13. positioning a screw rod; 14. positioning the head; 15. the connecting block stabilizes the propulsion unit; 16. connecting holes; 17. fixing the threaded clamping rod; 18. fastening a nut; 19. a limiting baffle plate; 20. a limiting clamping piece; 21. adjusting the socket; 22. an inner adjustment hole; 23. a threaded drive-in hole; 24. a screw is stably advanced; 25. and (7) fixing holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a gauge fixing and marking machine and a positioning mechanism thereof comprise a rotary seat 3 and a positioning main board 4, wherein the rotary seat 3 is installed at the lower end of the positioning main board 4, the rotary seat 3 and the positioning main board 4 are fixedly connected through a nut, a vertical installation supporting column 1 is arranged at the lower side of the rotary seat 3, a rotary groove 2 with an upward opening is arranged inside the upper end of the installation supporting column 1, the lower end of the rotary seat 3 is connected inside the rotary groove 2, the rotary seat 3 and the rotary groove 2 are fixedly connected through a connecting shaft, a vertical pulling jacket 5 is connected outside the outer wall of the two ends of the positioning main board 4 close to the right side, the pulling jacket 5 and the positioning main board 4 are fixedly connected through a rotating connecting shaft 6, the uppermost end of the pulling jacket 5 is connected with a handle 7, the uppermost end of the positioning main board 4 is internally connected with a connecting plate 9 which transversely extends rightwards, the connecting plate 9 is, when the connecting plate 9 and the positioning main plate 4 are in a right-angled state, the positioning connecting jacket 8 and the pulling jacket 5 are overlapped and kept in a relatively parallel state, so that the situation that a positioning head 14 cannot form a powerful included angle to lock positioned objects due to an overlarge adjusting angle can be prevented, and the whole positioning mechanism can normally and stably work is ensured, the connecting plate 9 and the positioning main plate 4 are fixedly connected through a rotating connecting shaft 6, the outer walls of two ends of the connecting plate 9 are connected with the positioning connecting jackets 8, the uppermost ends of the positioning connecting jackets 8 are fixedly connected with the pulling jacket 5 through the rotating connecting shaft 6, the rightmost end of the connecting plate 9 is connected with a sliding locking jacket 10, the lower end of the sliding locking jacket 10 is connected with a positioning connecting block 11 which transversely extends rightmost rightwards, a positioning screw 13 is arranged in the rightmost vertical inner part of the positioning connecting block 11, and locking nuts 12 are sleeved on, the lowermost end of the positioning screw 13 is connected with a positioning head 14, and the positioning head 14 and the positioning screw 13 are fixedly connected through a nut.

A gauge fixing and marking machine and a positioning mechanism thereof, a connecting hole 16 is arranged in the vertical inner part of a positioning connecting block 11 close to the left side, a fixed thread clamping rod 17 is connected in the circumference of the connecting hole 16, the upper end and the lower end of the fixed thread clamping rod 17 are respectively arranged at the outer part of the upper end of a sliding locking jacket 10 and the outer part of the lower end of the positioning connecting block 11, the height of the positioning connecting block 11 is half of the height of the sliding locking jacket 10, the outer wall of the upper end of the positioning connecting block 11 can be completely attached to the outer wall of the lower end of the sliding locking jacket 10, a locking nut 12 is just contacted with the outer wall of the right end of the sliding locking jacket 10 after the positioning connecting block 11 is adjusted to the left side to the maximum distance, thus when the sliding locking jacket 10 and the positioning connecting block 11 are independently locked and fixed by stably pushing, so make stably impel the screw rod and can keep certain fastening fastness when connecting between the two, slide locking presss from both sides the fixed thread clamping bar 17 circumference outside of the upper end of cover 10 and the fixed thread clamping bar 17 circumference outside of the lower extreme of location connecting block 11 and all cup jointed spacing separation blade 19, all be connected with spacing clamping piece 20 on the both ends subtend inner wall of two spacing separation blade 19, spacing clamping piece 20 cup joints respectively and presss from both sides the both ends outer wall outside of cover 10 and location connecting block 11 at slide locking, fastening nut 18 has all been cup jointed to the fixed thread clamping bar 17 circumference outside in two spacing separation blade 19 outsides, slide locking presss from both sides the horizontal internal connection of cover 10 and has connecting block to stabilize advancing device 15.

A check tool fixing marking machine and a positioning mechanism thereof, a transverse thread pushing hole 23 is arranged inside the center of a fixed thread clamping rod 17, two fixing holes 25 are arranged on a connecting block stabilizing and pushing device 15, the two fixing holes 25 are respectively connected inside the inner walls of the left end and the right end of a sliding locking clamping sleeve 10 and are opposite in opening, the rightmost end of the fixing hole 25 inside the right end of the sliding locking clamping sleeve 10 is connected with an adjusting socket 21 with a right opening, the two fixing holes 25 are internally connected with transverse stabilizing and pushing screws 24, the thread pushing hole 23 is sleeved outside the circumference of the stabilizing and pushing screw 24, an inner adjusting hole 22 with a right opening is arranged inside the rightmost end of the stabilizing and pushing screw 24, when in use, only a fastening nut 18 at the upper end and the lower end of the fixed thread clamping rod 17 connecting the sliding locking clamping sleeve 10 and the positioning connecting block 11 needs to be slightly unscrewed, then a hexagonal prism screwdriver is inserted into the adjusting, until the hexagonal screwdriver is inserted into the inner adjusting hole 22 at the right end of the stable propelling screw 24 through the adjusting socket 21, and then the hexagonal screwdriver is rotated clockwise, and at this time, the rotating hexagonal screwdriver drives the stable propelling screw 24 to rotate clockwise, and the rotating stable propelling screw 24 moves to the right in the screw thread propelling hole 23 on the fixed screw clamping rod 17 through the screw thread action, and because the two ends of the stable propelling screw 24 are fixed inside the fixing holes 25 at the left and right ends of the sliding locking jacket 10, the rotating stable propelling screw 24 pushes the fixed screw clamping rod 17 to the right through the screw thread action, and because the lower end of the fixed screw clamping rod 17 is connected with the positioning connecting block 11, the fixed screw clamping rod 17 moving to the right at this time drives the positioning connecting block 11 to move to the right, thereby increasing the positioning length of the whole positioning mechanism, the cross section of the inner adjusting hole 22 is in a regular hexagon shape, the depth of the adjusting socket 21 is equal to the depths of the two fixing holes 25, the center point of the inner adjusting hole 22 and the circle center of the adjusting socket 21 are kept on the same horizontal straight line, so that the stable propelling screw 24 can be integrally fixed inside the sliding locking jacket 10 by respectively inserting and fixing the two ends of the stable propelling screw into the two fixing holes 25, and meanwhile, a hexagonal prism screwdriver can be conveniently and quickly inserted into the inner adjusting hole 22 at the right end of the stable propelling screw 24 through the adjusting socket 21 to adjust the rotation of the stable propelling screw 24, and the purpose of adjusting the position of the positioning connecting block 11 is achieved.

The utility model discloses a theory of operation and use flow: after the utility model is installed, when in use, the installation pillar 1 is firstly installed on the corresponding position on the fixed marking machine of the checking tool through the nut, then the rotary seat 3 is installed in the rotary groove 2 at the upper end of the installation pillar 1 through the rotary shaft, then the positioning mechanism part for positioning is installed on the rotary seat 3 through the nut, then the using angle of the positioning mechanism connected with the upper end of the rotary seat 3 is correspondingly adjusted according to the positioning direction of the positioned object, at the moment, the positioning mechanism is locked on the current angle after the angle is determined by only rotating the positioning mechanism through the rotary seat 3, then when positioning the object, the handle 7 is firstly grasped and pulled backwards, so that the handle 7 drives the positioning part of the positioning mechanism to turn upwards through the pulling jacket 5 and the positioning connecting jacket 8, then when the object to be positioned is displayed at the bottom of the positioning head 14, at the moment, only the handle 7 needs to be pushed forwards, the handle 7 drives the positioning part of the positioning mechanism to turn downwards by pulling the clamping sleeve 5 and the positioning connecting clamping sleeve 8 until the positioning head 14 is firmly propped against the positioned object, the fixing and displacement mode between the sliding locking clamping sleeve 10 and the positioning connecting block 11 on the novel checking fixture fixing marking machine and the positioning mechanism thereof is improved, the improvement is carried out on the basis that the fixing and displacement between the fixing threaded clamping rod 17 and the fastening nut are carried out after displacement and locking between the fixing threaded clamping rod and the positioning head, a connecting block stable propelling device 15 is additionally arranged in the sliding locking clamping sleeve 10, and the novel connecting block stable propelling device 15 mainly drives the fixing threaded clamping rod 17 to move left and right on the sliding locking clamping sleeve 10 through the stable propelling screw rod 24 and the threaded propelling hole 23 on the fixing threaded clamping rod 17 through the screw thread action, and make location connecting block 11 control the displacement in sliding lock presss from both sides cover 10 bottom through this neotype stable advancing device of connecting block 15, can make location connecting block 11 remove when moving more stably, just make two spacing separation blades 19 can not give firm locking back together sliding lock presss from both sides cover 10 and location connecting block 11 to fastening nut 18 that plays main connection relation to both this moment produces not hard up on fixed thread clamping bar 17, because there is this neotype stable advancing device of connecting block 15 to fix between the two and hold, also can make both just need not fix through fastening nut 18 and fixed thread clamping bar 17 and can not produce not hard up.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a examine fixed mark spare machine of utensil and positioning mechanism thereof, includes roating seat (3) and location mainboard (4), its characterized in that: the rotary seat (3) is arranged at the lower end of the positioning main board (4), the rotary seat (3) and the positioning main board (4) are fixedly connected through nuts, a vertical mounting pillar (1) is arranged at the lower side of the rotary seat (3), a rotary groove (2) with an upward opening is formed in the upper end of the mounting pillar (1), the lower end of the rotary seat (3) is connected to the inside of the rotary groove (2), the rotary seat (3) and the rotary groove (2) are fixedly connected through a connecting shaft, a vertical pulling jacket (5) is connected to the outer wall of the two ends of the positioning main board (4) close to the right side, the pulling jacket (5) and the positioning main board (4) are fixedly connected through a rotating connecting shaft (6), the uppermost end of the pulling jacket (5) is connected with a handle (7), and a connecting plate (9) transversely extending rightwards is connected to the uppermost end of the positioning main board (, the connecting plate (9) is fixedly connected with the positioning main plate (4) through a rotary connecting shaft (6), the outer walls of the two ends of the connecting plate (9) are connected with a positioning connecting jacket (8), the uppermost end of the positioning connecting jacket (8) is fixedly connected with a pulling jacket (5) through a rotating connecting shaft (6), the rightmost end of the connecting plate (9) is connected with a sliding locking jacket (10), the lower end of the sliding locking jacket (10) is connected with a positioning connecting block (11) which transversely extends rightwards, a positioning screw rod (13) is vertically arranged inside the rightmost end of the positioning connecting block (11), locking screw caps (12) are sleeved outside the circumferences of the positioning screw rods (13) at the upper end and the lower end of the rightmost side of the positioning connecting block (11), the lowermost end of the positioning screw rod (13) is connected with a positioning head (14), and the positioning head (14) is fixedly connected with the positioning screw rod (13) through a nut.

2. The gauge fixing and marking machine and the positioning mechanism thereof according to claim 1, wherein: a connecting hole (16) is arranged in the positioning connecting block (11) close to the left side in the vertical direction, a fixed thread clamping rod (17) is connected inside the circumference of the connecting hole (16), the upper end and the lower end of the fixed thread clamping rod (17) are respectively arranged outside the upper end of the sliding locking clamping sleeve (10) and outside the lower end of the positioning connecting block (11), limiting blocking pieces (19) are respectively sleeved outside the circumference of the fixed thread clamping rod (17) at the upper end of the sliding locking clamping sleeve (10) and outside the circumference of the fixed thread clamping rod (17) at the lower end of the positioning connecting block (11), limiting clamping pieces (20) are respectively connected to the opposite inner walls at the two ends of the two limiting blocking pieces (19), the limiting clamping pieces (20) are respectively sleeved outside the outer walls at the two ends of the sliding locking clamping sleeve (10) and the positioning connecting block (11), and fastening nuts (18) are respectively sleeved outside the circumferences of the fixed thread, the transverse inner part of the sliding locking jacket (10) is connected with a connecting block stable propelling device (15).

3. The gauge fixing and marking machine and the positioning mechanism thereof as claimed in claim 2, wherein: the improved structure is characterized in that a transverse thread pushing hole (23) is formed in the center of the fixed thread clamping rod (17), two fixing holes (25) are formed in the connecting block stable pushing device (15), the two fixing holes (25) are connected to the inner walls of the left end and the right end of the sliding locking clamping sleeve (10) respectively, the openings of the inner walls of the left end and the right end of the sliding locking clamping sleeve are opposite, the rightmost end of the fixing hole (25) in the right end of the sliding locking clamping sleeve (10) is connected with an adjusting socket (21) with a right opening, the fixing hole (25) is connected with a transverse stable pushing screw rod (24) in an internal mode, the thread pushing hole (23) is sleeved on the outer portion of the circumference of the stable pushing screw rod (24), and an inner adjusting hole.

4. The gauge fixing and marking machine and the positioning mechanism thereof as claimed in claim 3, wherein: the cross section of the inner adjusting hole (22) is in a regular hexagon shape, the depth of the adjusting socket (21) is equal to the depth of the two fixing holes (25), and the center point of the inner adjusting hole (22) and the center of the adjusting socket (21) are kept on the same horizontal straight line.

5. The gauge fixing and marking machine and the positioning mechanism thereof according to claim 1, wherein: the height of the positioning connecting block (11) is half of that of the sliding locking jacket (10), the outer wall of the upper end of the positioning connecting block (11) can be completely attached to the outer wall of the lower end of the sliding locking jacket (10), and after the positioning connecting block (11) is adjusted to the maximum distance leftwards, the locking nut (12) is just in contact with the outer wall of the right end of the sliding locking jacket (10).

6. The gauge fixing and marking machine and the positioning mechanism thereof according to claim 1, wherein: the maximum pulling angle of the connecting plate (9) after being pulled upwards through the positioning connecting jacket (8) and the pulling jacket (5) is 60 degrees, and when the connecting plate (9) and the positioning main plate (4) are in a right-angle state, the positioning connecting jacket (8) and the pulling jacket (5) are overlapped and keep a relatively parallel state.