CN116833778A

CN116833778A - Machine tool fixture device with inspection accuracy

Info

Publication number: CN116833778A
Application number: CN202311060214.3A
Authority: CN
Inventors: 倪寿勇; 刘杰; 陈勇; 王业方
Original assignee: Nanjing Vocational University of Industry Technology NUIT
Current assignee: Nanjing Vocational University of Industry Technology NUIT
Priority date: 2023-08-22
Filing date: 2023-08-22
Publication date: 2023-10-03

Abstract

The invention relates to the technical field of machine tools, in particular to a machine tool fixture device with inspection accuracy. According to the invention, the moving rod is pulled, so that the moving rod drives the supporting rod on the square tube to move, then the centering sleeve is sleeved on the tool apron of the machine tool, one end of the conical rod is aligned with the center of the tool apron, the hydraulic rod works, the positioning plate is separated from the vertical rod, the vertical rod rotates to enable the pointer of the dial indicator to be in contact with the upper part of the centering sleeve, then the tool apron is controlled to rotate, the pointer on the dial indicator is adjusted by observing the numerical change of the pointer, after adjustment is completed, the hydraulic rod is controlled to work, the pointer is loosened, then the dial indicator is rotated, and then the centering sleeve is separated from the tool apron by pulling the moving rod.

Description

Machine tool fixture device with inspection accuracy

Technical Field

The invention relates to the technical field of machine tools, in particular to a machine tool fixture device with inspection accuracy.

Background

The machine tool is a machine for manufacturing machines, namely a machine tool or a machine tool, is commonly referred to as a machine tool for short, and is generally divided into a metal cutting machine tool, a forging machine tool, a woodworking machine tool and the like, and a plurality of methods for processing mechanical parts in modern machine manufacturing are used for casting, forging, welding, stamping, extrusion and the like besides cutting machining, so that the machine tool belongs to parts with higher precision requirements and thinner surface roughness requirements, and is generally required to be subjected to final machining by a cutting method on the machine tool. The machine tool plays a great role in modern construction of national economy, and a clamp is needed when the precision of the machine tool is detected.

Through retrieving, patent net application number is 202110173356.5, discloses a machine tool clamp device with inspection accuracy, belongs to machine tool clamp technical field, and including the casing, the bottom welding of casing has two sets of landing legs, the bottom of casing inner chamber is fixed with the rotation seat, the inner wall rotation of casing is connected with the threaded rod, the threaded rod runs through in the inside of rotating the seat. The device receives the infrared signal emitted by the infrared emitter through the infrared receiver, receives the detection signal received by the infrared receiver through the controller, and if one or more groups of infrared receivers do not receive the corresponding infrared signal, the controller alarms through controlling the buzzer to remind operators that the clamping position of the workpiece deviates from the preset position to some extent, and adjustment is needed, so that the clamping precision of the workpiece is ensured, the cutting effect of the workpiece is further ensured, the requirements on the technical level of operators are greatly reduced, and meanwhile, the processing efficiency of the workpiece is improved.

In the above-mentioned application, the machine tool fixture device with inspection accuracy is provided, in the in-process of using, report to the police with the clamp of reminding operating personnel work piece and get position and preset position deviation, need adjust, thereby the clamp of having guaranteed the work piece gets the precision, and then guaranteed the cutting effect of work piece, greatly reduced the requirement to operating workman's skill level, improved the machining efficiency of work piece simultaneously, but in the practical application in-process, inconvenient to adjust it, influence its dismantlement and installation, influence the normal use of follow-up device, reduced the availability factor of the device.

In view of this, the present invention proposes a machine tool fixture device with inspection accuracy to solve the above-mentioned problems.

Disclosure of Invention

Aiming at the defects of the prior art, the invention aims to provide a machine tool fixture device with inspection accuracy, which has the advantages of convenience in disassembly and detection and the like, and solves the problem that the machine tool fixture device is inconvenient to disassemble and assemble in the use process.

In order to achieve the above purpose, the present invention provides the following technical solutions:

the utility model provides a machine tool fixture device with inspection accuracy, includes the base, the last fixed surface of base installs the slide rail, the inside sliding connection of slide rail has the slider, one side fixed mounting of slider has the extension spring, one side of extension spring and the inner wall fixed connection of slide rail, and the top of slider is through moving pole fixed connection, the top fixed mounting who moves the pole has a square pipe, the interior bottom wall fixed mounting of square pipe has the telescopic link, the top fixed mounting of telescopic link has the movable block, one side that moves the block runs through square pipe and extends to the outside fixed mounting of square pipe has the supporting shoe, one side fixed mounting of supporting shoe has the bracing piece, one side of bracing piece is provided with the centering sleeve, the spacing groove has been seted up to one side of centering sleeve, the inside rotation of spacing groove is connected with the gyro wheel, the axle center department rotation of gyro wheel is connected with the axostylus axostyle, one end and one side fixed connection of bracing piece of axostylus axostyle.

The screw rod is inserted on the supporting rod, one end of the screw rod is connected with the conical rod through bearing rotation, the electric telescopic rod is fixedly installed on the inner wall of the centering sleeve, the clamping plate is fixedly installed at one end of the electric telescopic rod, and the anti-slip strip is fixedly installed at one side of the clamping plate.

The top fixed mounting who moves the pole has the pipe, and the interior bottom wall of pipe is connected with the montant through the pivot rotation, and the inner wall fixed mounting of pipe has the hydraulic stem, and the one end fixed mounting of hydraulic stem has the locating plate, and one side fixed mounting of locating plate has the locating strip.

The top fixed mounting of montant has the connecting block, and the slot has been seted up to the upper surface of connecting block, and the inside of slot is inserted and is equipped with the inserted bar, and the top fixed mounting of inserted bar has the mounting panel, and one side of mounting panel is provided with the percentage table, and one side of mounting panel is inserted and is equipped with the lead screw, one end and one side threaded connection of percentage table of lead screw.

As the preferable technical scheme, one side of the square tube is provided with a moving groove for one end of the moving block to pass through, the inner wall of the moving groove is in sliding connection with the surface of one end of the moving block, and the moving groove is communicated with the cavity of the square tube.

As the preferable technical scheme, the top fixed mounting reset spring of piece moves, reset spring's top fixed mounting has the gag lever post, and the bottom of gag lever post and the top fixed connection of side's pipe.

As the preferable technical scheme, offer the screw that supplies the screw rod to pass through on the bracing piece, and screw threaded connection, the screw rod is located the outside one end fixed mounting of bracing piece and has had the spanner, and the anti-skidding line has been seted up on the surface of spanner.

As the preferable technical scheme, the number of the electric telescopic rods is three, and the three electric telescopic rods are equidistantly distributed in the middle sleeve, and the clamping plates are arc-shaped.

As the preferred technical scheme, the equal fixed mounting in four corners of base bottom has the fixed plate, has seted up the fixed orifices on the fixed plate, and the fixed orifices is the slotted hole, and the lower surface of fixed plate is seted up flutedly, and the ball has been inlayed to the interior roof of recess, and the lower surface of fixed plate is inlayed and is had the rubber strip, and the anti-skidding line has been seted up to the lower surface of rubber strip.

As the preferable technical scheme, offer the silk hole that supplies the lead screw to pass through on the mounting panel, and silk hole and lead screw threaded connection, the one end fixed mounting of lead screw has the twist grip, and the anti-skidding line has been seted up on the surface of twist grip.

As the preferable technical scheme, the upper surface of connecting block is inserted and is equipped with the bolt, and the bottom of bolt runs through the connecting block and extends to the slot of connecting block in with the surface threaded connection of inserted bar.

As the preferable technical scheme, offer the screw that supplies the bolt to pass through on the connecting block, and screw and bolt threaded connection, hexagonal hole has been seted up at the top of bolt.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, the moving rod is pulled to drive the supporting rod on the square tube to move, so that the centering sleeve on the supporting rod is driven to move, then the centering sleeve is sleeved on the tool apron of the machine tool, one end of the conical rod is aligned with the center of the tool apron, then the hydraulic rod is controlled to work, the positioning plate is separated from the vertical rod, then the positioning plate rotates along with the vertical rod, the pointer of the dial indicator contacts with the upper part of the centering sleeve, then the tool apron is controlled to rotate, the adjustment operation is carried out by observing the numerical change of the pointer on the dial indicator, the specific adjustment method can be adjusted according to the operation of a machine tool staff, so that the adjustment operation is conveniently carried out, after the adjustment is finished, the hydraulic rod is controlled to work, the centering sleeve is loosened, then the dial indicator is rotated, and then the centering sleeve is separated from the tool apron by pulling the moving rod.

2. According to the clamp device, the electric telescopic rod is controlled to work, and the electric telescopic rod drives the anti-slip strip on the clamping plate to move, so that the surface of the anti-slip strip is separated from and contacted with the surface of the tool apron, positioning and limiting operation can be conveniently carried out on the anti-slip strip, the use of a worker is facilitated, the use efficiency of the clamp device is improved, the use of the worker is facilitated, and the operation of the worker is facilitated.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.

FIG. 1 is a perspective view of a first view of the present invention;

FIG. 2 is a schematic view of a first perspective view of the present invention;

FIG. 3 is a schematic perspective view of a sliding rail according to the present invention;

FIG. 4 is a schematic perspective view of a jacket according to the present invention;

FIG. 5 is a schematic perspective view of a circular tube according to the present invention;

FIG. 6 is an enlarged schematic view of the structure A in FIG. 2 according to the present invention;

FIG. 7 is an enlarged schematic view of the structure of FIG. 2B according to the present invention;

fig. 8 is a schematic perspective view of a base of the present invention.

In the figure: 1. a base; 2. a slide rail; 3. a slide block; 4. a tension spring; 5. a moving rod; 6. square tubes; 7. a telescopic rod; 8. moving the block; 9. a bolt; 10. a support block; 11. a support rod; 12. centering sleeve; 13. a roller; 14. a shaft lever; 15. a screw; 16. a tapered rod; 17. an electric telescopic rod; 18. a clamping plate; 19. an anti-slip strip; 20. a round tube; 21. a vertical rod; 22. a hydraulic rod; 23. a positioning plate; 24. a positioning strip; 25. a connecting block; 26. a rod; 27. a mounting plate; 28. a dial indicator; 29. a screw rod; 30. a return spring; 31. a limit rod; 32. a fixing plate; 33. a ball; 34. rubber strips.

Detailed Description

Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present invention and are not to be construed as limiting the present invention. In the description of the present invention, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" means two or more, and the meaning of "a number" means one or more, unless specifically defined otherwise.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically connected, electrically connected or can be communicated with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above" and "over" a second feature includes both the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. The first feature being "under," "under" and "beneath" the second feature includes the first feature being directly under and obliquely under the second feature, or simply indicating that the first feature is less level than the second feature.

The following disclosure provides many different embodiments, or examples, for implementing different features of the invention. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.

In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.

According to the drawings 1-8, the embodiment of the invention provides a machine tool fixture device with inspection accuracy, which comprises a base 1, wherein a sliding rail 2 is fixedly arranged on the upper surface of the base 1, a sliding block 3 is connected inside the sliding rail 2 in a sliding way, a tension spring 4 is fixedly arranged on one side of the sliding block 3, one side of the tension spring 4 is fixedly connected with the inner wall of the sliding rail 2, the top of the sliding block 3 is fixedly connected with a square tube 6 through a moving rod 5, a telescopic rod 7 is fixedly arranged on the inner bottom wall of the square tube 6, a moving block 8 is fixedly arranged on the top of the telescopic rod 7, one side of the moving block 8 penetrates through the square tube 6 and extends to the outer part of the square tube 6, a supporting block 10 is fixedly arranged on one side of the supporting block 10, a supporting rod 11 is fixedly arranged on one side of the supporting rod 11, a centering sleeve 12 is arranged on one side of the centering sleeve 12, a limiting groove is formed in the limiting groove, a roller 13 is rotatably connected inside the limiting groove, a shaft lever 14 is rotatably connected at the axis of the roller 13, and one end of the shaft lever 14 is fixedly connected with one side of the supporting rod 11.

The supporting rod 11 is inserted with a screw rod 15, one end of the screw rod 15 is rotatably connected with a conical rod 16 through a bearing, an electric telescopic rod 17 is fixedly arranged on the inner wall of the centering sleeve 12, a clamping plate 18 is fixedly arranged at one end of the electric telescopic rod 17, and an anti-slip strip 19 is fixedly arranged on one side of the clamping plate 18.

The top of the moving rod 5 is fixedly provided with a circular tube 20, the inner bottom wall of the circular tube 20 is rotationally connected with a vertical rod 21 through a rotating shaft, the inner wall of the circular tube 20 is fixedly provided with a hydraulic rod 22, one end of the hydraulic rod 22 is fixedly provided with a positioning plate 23, and one side of the positioning plate 23 is fixedly provided with a positioning strip 24.

The top fixed mounting of montant 21 has connecting block 25, and the slot has been seted up to the upper surface of connecting block 25, and the inside of slot is inserted and is equipped with inserted bar 26, and the top fixed mounting of inserted bar 26 has mounting panel 27, and one side of mounting panel 27 is provided with percentage table 28, and one side of mounting panel 27 is inserted and is equipped with lead screw 29, and one end and one side threaded connection of percentage table 28 of lead screw 29.

As a preferable mode of this embodiment, a moving groove for one end of the moving block 8 to pass through is formed in one side of the square tube 6, the inner wall of the moving groove is slidably connected with the surface of one end of the moving block 8, and the moving groove is communicated with the cavity of the square tube 6.

It is worth to say that, the setting of shifting the groove has reached the removal that has made things convenient for follow-up shifting block 8, makes things convenient for the whole removal of device, is convenient for the normal use of follow-up device.

As a preferable mode of this embodiment, a return spring 30 is fixedly installed at the top of the moving block 8, a stop lever 31 is fixedly installed at the top of the return spring 30, and the bottom of the stop lever 31 is fixedly connected with the top of the square tube 6.

It is worth to say that, the setting of reset spring 30 has reached the effect that conveniently resets movable block 8, conveniently carries out the buffering to it and resets, the normal use of the part in the device of being convenient for.

As the preference of this embodiment, offer the screw that supplies screw rod 15 to pass through on the bracing piece 11, and screw 15 threaded connection, the screw rod 15 is located the outside one end fixed mounting of bracing piece 11 and has had the anti-skidding line, has been seted up on the surface of spanner.

It is worth to say that, the setting of screw rod 15 has reached the convenience and has adjusted the position of toper pole 16, makes things convenient for the toper pole 16 to be located the axle center department of blade holder in the in-process of using afterwards.

As a preferred embodiment, the number of the electric telescopic rods 17 is three, and the three electric telescopic rods 17 are equidistantly distributed in the middle sleeve 12, and the clamping plate 18 is arc-shaped.

It is worth noting that the arrangement of the electric telescopic rod 17 achieves the effect of conveniently limiting the centering sleeve 12, and meanwhile, the clamping plate 18 is arc-shaped and convenient for subsequent positioning operation.

As the preference of this embodiment, the four corners of base 1 bottom all fixed mounting has fixed plate 32, has seted up the fixed orifices on the fixed plate 32, and the fixed orifices is the slotted hole, and the lower surface of fixed plate 32 is seted up flutedly, and the ball 33 has been inlayed to the interior roof of recess, and the lower surface of fixed plate 32 has inlayed rubber strip 34, and the anti-skidding line has been seted up to the lower surface of rubber strip 34.

It is worth noting that, setting up of fixed plate 32 has reached the effect that conveniently carries out fixed mounting to it, and the ball 33 that sets up simultaneously conveniently supports the device, and the rubber strip 34 of setting up realizes carrying out anti-skidding operation to it, has guaranteed the holistic stability of device.

As a preferable example of the present embodiment, a screw hole through which the screw rod 29 passes is formed in the mounting plate 27, the screw hole is in threaded connection with the screw rod 29, a rotating handle is fixedly mounted at one end of the screw rod 29, and anti-slip threads are formed on the surface of the rotating handle.

It is worth noting that the arrangement of the mounting plate 27 and the screw rod 29 achieves the effect of facilitating the installation and replacement of the dial indicator 28, facilitating the subsequent quick assembly and disassembly of the dial indicator 28 in the use process, and facilitating the operation of staff.

Preferably, in this embodiment, the bolt 9 is inserted into the upper surface of the connection block 25, and the bottom of the bolt 9 penetrates through the connection block 25 and extends into the slot of the connection block 25 to be in threaded connection with the surface of the insert rod 26.

It is worth noting that, the setting of connecting block 25 and bolt 9 has reached the effect of conveniently carrying out quick assembly disassembly to inserted bar 26, makes things convenient for the staff to install and dismantle it the effect, the staff's of being convenient for use.

Preferably, the connecting block 25 is provided with a screw hole for the bolt 9 to pass through, the screw hole is in threaded connection with the bolt 9, and the top of the bolt 9 is provided with a hexagonal hole.

When the machine tool fixture device with the inspection accuracy is used, the moving rod 5 is pulled, so that the moving rod 5 drives the supporting rod 11 on the square tube 6 to move, the centering sleeve 12 on the supporting rod 11 is driven to move, then the centering sleeve 12 is sleeved on the tool apron of the machine tool, one end of the conical rod 16 is aligned with the center of the tool apron, then the hydraulic rod 22 is controlled to work, the positioning plate 23 is separated from the vertical rod 21, then the positioning plate rotates along with the vertical rod 21, the gauge needle of the dial gauge 28 is contacted with the upper side of the centering sleeve 12, then the tool apron is controlled to rotate, the numerical change of the pointer on the dial gauge 28 is observed to adjust the gauge needle, the specific debugging method can be adjusted according to the operation of a machine tool operator, so that the adjustment operation is convenient, after the adjustment is finished, the hydraulic rod 22 is controlled to work to loosen the gauge needle, then the dial gauge 28 is rotated, and then the moving rod 5 is pulled to separate the centering sleeve 12 from the tool apron.

The electric telescopic rod 17 is controlled to work, and the electric telescopic rod 17 drives the anti-slip strip 19 on the clamping plate 18 to move, so that the surface of the anti-slip strip 19 is separated from and contacted with the surface of the tool apron, positioning and limiting operation are conveniently carried out on the anti-slip strip, the use of workers is facilitated, the use efficiency of the clamp device is improved, the use of the workers is facilitated, and the operation of the workers is facilitated.

In the description of the present specification, the descriptions of the terms "example," "an embodiment," "certain embodiments," "an exemplary embodiment," "example," "a particular example," or "some examples," etc., are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The basic principles, main features and advantages of the present invention have been described above in connection with specific embodiments. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Machine tool fixture device with inspection accuracy, including base (1), its characterized in that: the upper surface of the base (1) is fixedly provided with a sliding rail (2), the inside of the sliding rail (2) is connected with a sliding block (3) in a sliding manner, one side of the sliding block (3) is fixedly provided with a tension spring (4), one side of the tension spring (4) is fixedly connected with the inner wall of the sliding rail (2), the top of the sliding block (3) is fixedly connected with a square pipe (6) through a moving rod (5), the inner bottom wall of the square pipe (6) is fixedly provided with a telescopic rod (7), the top of the telescopic rod (7) is fixedly provided with a moving block (8), one side of the moving block (8) penetrates through the square pipe (6) and extends to the outside of the square pipe (6) to be fixedly provided with a supporting block (10), one side of the supporting block (10) is fixedly provided with a supporting rod (11), one side of the supporting rod (11) is provided with a centering sleeve (12), one side of the centering sleeve (12) is provided with a limit groove, the inside of the limit groove is rotationally connected with a roller (13), and the axle center of the roller (13) is rotationally connected with a shaft lever (14), and one end of the shaft lever (14) is fixedly connected with one side of the supporting rod (11).

A screw rod (15) is inserted on the supporting rod (11), one end of the screw rod (15) is rotatably connected with a conical rod (16) through a bearing, an electric telescopic rod (17) is fixedly arranged on the inner wall of the centering sleeve (12), a clamping plate (18) is fixedly arranged at one end of the electric telescopic rod (17), and an anti-slip strip (19) is fixedly arranged at one side of the clamping plate (18);

the top of the moving rod (5) is fixedly provided with a circular tube (20), the inner bottom wall of the circular tube (20) is rotationally connected with a vertical rod (21) through a rotating shaft, the inner wall of the circular tube (20) is fixedly provided with a hydraulic rod (22), one end of the hydraulic rod (22) is fixedly provided with a positioning plate (23), and one side of the positioning plate (23) is fixedly provided with a positioning strip (24);

the top fixed mounting of montant (21) has connecting block (25), and the slot has been seted up to the upper surface of connecting block (25), and the inside of slot is inserted and is equipped with inserted bar (26), and the top fixed mounting of inserted bar (26) has mounting panel (27), and one side of mounting panel (27) is provided with percentage table (28), and one side of mounting panel (27) is inserted and is equipped with lead screw (29), one end and one side threaded connection of percentage table (28) of lead screw (29).

2. A machine tool fixture apparatus with inspection accuracy according to claim 1, characterized in that: one side of the square tube (6) is provided with a moving groove for one end of the moving block (8) to pass through, the inner wall of the moving groove is in sliding connection with the surface of one end of the moving block (8), and the moving groove is communicated with the cavity of the square tube (6).

3. A machine tool fixture apparatus with inspection accuracy according to claim 1, characterized in that: the top of the moving block (8) is fixedly provided with a reset spring (30), the top of the reset spring (30) is fixedly provided with a limiting rod (31), and the bottom of the limiting rod (31) is fixedly connected with the top of the square tube (6).

4. A machine tool fixture apparatus with inspection accuracy according to claim 1, characterized in that: screw holes for the screws (15) to pass through are formed in the support rods (11), the screw holes are in threaded connection with the screws (15), a wrench is fixedly mounted at one end of each screw (15) located outside the support rods (11), and anti-slip patterns are formed in the surfaces of the wrenches.

5. A machine tool fixture apparatus with inspection accuracy according to claim 1, characterized in that: the number of the electric telescopic rods (17) is three, the three electric telescopic rods (17) are equidistantly distributed in the centering sleeve (12), and the clamping plates (18) are arc-shaped.

6. A machine tool fixture apparatus with inspection accuracy according to claim 1, characterized in that: the four corners of base (1) bottom are all fixed mounting have fixed plate (32), have seted up the fixed orifices on fixed plate (32), and the fixed orifices is the slotted hole, and the lower surface of fixed plate (32) is seted up flutedly, and ball (33) are inlayed to the interior roof of recess, and the lower surface of fixed plate (32) is inlayed and is had rubber strip (34), and the anti-skidding line has been seted up to the lower surface of rubber strip (34).

7. A machine tool fixture apparatus with inspection accuracy according to claim 1, characterized in that: the mounting plate (27) is provided with a screw hole for the screw rod (29) to pass through, the screw hole is in threaded connection with the screw rod (29), one end of the screw rod (29) is fixedly provided with a rotating handle, and the surface of the rotating handle is provided with anti-skid patterns.

8. A machine tool fixture apparatus with inspection accuracy according to claim 1, characterized in that: the upper surface of connecting block (25) is inserted and is equipped with bolt (9), and the bottom of bolt (9) runs through connecting block (25) and extends to in the slot of connecting block (25) with the surface threaded connection of inserted bar (26).

9. A machine tool fixture apparatus of claim 8 having inspection accuracy, wherein: screw holes for the bolts (9) to pass through are formed in the connecting blocks (25), the screw holes are connected with the bolts (9) in a threaded mode, and hexagonal holes are formed in the tops of the bolts (9).