CN112192245A

CN112192245A - Shock attenuation buffering lathe frame for precision instruments processing

Info

Publication number: CN112192245A
Application number: CN202010974127.9A
Authority: CN
Inventors: 李经缙
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-01-08

Abstract

The invention discloses a damping and buffering machine tool frame for machining a precision instrument, which comprises a machine tool, wherein the frame is arranged below the machine tool, a buffering mechanism is arranged between the machine tool and the frame, and a first supporting seat is arranged at the rear end of the right side of a left inclined rod. This lathe frame is used in precision instruments processing, the external force that the lathe received can be offset to the elasticity through the compression spring of both sides, play the buffering effect to the lathe, avoid equipment on the lathe to vibrate wearing and tearing, current lathe frame is used in precision instruments processing has been solved, because the shock attenuation effect is poor between lathe and the frame, make during the removal, can cause the serious problem of lathe equipment wearing and tearing, the frame can make the lathe shift position in the frame through the gyro wheel in four corners, be convenient for transport the lathe, reduce worker's the work degree of difficulty, it is not convenient for the transport to have solved current lathe frame for precision instruments processing, provide the problem of the work degree of difficulty for the worker.

Description

Shock attenuation buffering lathe frame for precision instruments processing

Technical Field

The invention relates to the technical field of precision instruments, in particular to a damping and buffering machine tool rack for machining of a precision instrument.

Background

The precision instrument is an important branch of instruments and meters, which needs a machine tool to process, but the existing machine tool frame for processing the precision instrument has the problems of serious abrasion of machine tool equipment due to poor damping effect between the machine tool and the frame when moving, and is inconvenient to carry and difficult to provide work for workers.

Disclosure of Invention

The invention aims to provide a damping and buffering machine tool frame for machining a precision instrument, which aims to solve the problem that the existing machine tool frame for machining the precision instrument, which is proposed in the background art, has serious abrasion of machine tool equipment during movement due to poor damping effect between a machine tool and the frame.

In order to achieve the purpose, the invention provides the following technical scheme: a damping and buffering machine tool frame for machining of a precision instrument comprises a machine tool, wherein a frame is arranged below the machine tool, and a buffering mechanism is arranged between the machine tool and the frame;

the buffer mechanism comprises an inclined rod, a first supporting seat, a first pin shaft, a second supporting seat, an inclined plate, a first cross rod, a first vertical rod, a compression spring, a supporting rod, a gear, a second pin shaft and a supporting plate;

the left side right side rear end of down tube is equipped with first supporting seat, the top of first supporting seat and the left side bottom of lathe looks rigid coupling, the right side rear end of down tube rotates with the below front end of first supporting seat through first round pin axle and links to each other, the left side below rear side of down tube is equipped with the second supporting seat, the top front end of second supporting seat rotates with the left side rear end of down tube through first round pin axle and links to each other, the bottom of second supporting seat and the left side top of swash plate looks rigid coupling, the top middle inner wall of swash plate and the left side outer wall clearance fit of first horizontal pole, the middle inner wall of first horizontal pole and the below outer wall clearance fit of first montant, the bottom of first montant is provided with damper, damper includes the slide rail that sets up in the frame upper surface intermediate position, the horizontal pole that sets up in first montant bottom, the both ends of horizontal pole articulate respectively has the connecting rod, a movable block is arranged in the slide rail in a sliding manner, the bottom ends of the two connecting rods are respectively hinged with the upper surface of the movable block, damping springs are respectively arranged at two ends in the slide rail, and the damping springs are connected with the movable block;

the top of first montant and the bottom intermediate phase rigid coupling of lathe, the equal clearance fit of the left and right sides outer wall of first horizontal pole has compression spring, both ends outer wall all with the top inner wall looks rigid coupling of bracing piece about first horizontal pole, the equal rigid coupling in the top left and right sides of frame in the bottom of bracing piece, the below inclined plane tooth of swash plate links to each other with gear engagement, the middle inner wall of gear links to each other through the rotation of the middle inner wall in the top of the front and back both sides outer wall of second round pin axle and backup pad, the bottom rigid coupling of backup pad is on the left side top of frame.

Preferably, the inclined rod, the first supporting seat, the first pin shaft, the second supporting seat, the inclined plate, the compression spring, the supporting rod, the gear, the second pin shaft and the supporting plate are symmetrically distributed on the left side and the right side by taking the center line of the machine tool as the center.

Preferably, the left side and the right side of the upper portion of the rack are both provided with grooves, the inner walls of the left side and the right side of the upper portion of the rack are both provided with grooves, the four corners of the bottom end of the rack are provided with idler wheels, and the four corners of the bottom end of the rack are fixedly connected with the top ends of the idler wheels.

Preferably, four corners of the bottom end of the rack are provided with limiting mechanisms;

the limiting mechanism comprises a rubber pad, a second cross rod, a second vertical rod, a sliding groove, a sliding block, a clamping groove, a third vertical rod and a third cross rod;

the outer wall of the right side concave part of the left side front rubber pad is jointed with the lower left side outer wall of the roller, the middle of the left end of the rubber pad is fixedly connected with the right end of the second cross rod, the middle outer wall of the second cross rod is in clearance fit with the lower inner wall of the second vertical rod, the top end of the second vertical rod is fixedly connected with the bottom end of the front part of the left side of the frame, the inner wall of the middle of the right side of the second cross rod is provided with a sliding chute, the sliding groove is clamped with the sliding block in a sliding way, the rear end of the sliding block is fixedly connected with the surface of the common rear end in the middle of the lower part of the second vertical rod, a clamping groove is arranged above the left side of the second cross rod and is arranged on the inner wall above the left side of the second cross rod, the internal surface of draw-in groove and the below outer wall clearance fit of third montant, the upper portion outer wall of third montant and the middle inner wall clearance fit in the left side of third horizontal pole, the right-hand member rigid coupling of third horizontal pole is at the upper left side outer wall of second montant.

Preferably, the sliding groove and the sliding block form a sliding structure.

Preferably, the outer wall of the upper part of the third vertical rod is provided with friction grains.

Preferably, the gap distance between the outer wall below the third vertical rod and the inner surface of the clamping groove is 0.1-0.2 mm.

Preferably, the rubber pad is curved.

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

this lathe frame is used in precision instruments processing, through the lathe, a machine support, the down tube, first supporting seat, first round pin axle, the second supporting seat, the swash plate, first horizontal pole, first montant, compression spring, the bracing piece, the gear, the cooperation between second round pin axle and the backup pad, the swash plate that the down tube that the lathe passes through both sides drove both sides in the transportation moves the compression spring compression that makes both sides to the outside at the both sides outer wall of first horizontal pole, otherwise the external force that the lathe received can be offset to the elasticity through the compression spring of both sides, play the cushioning effect to the lathe, avoid the equipment on the lathe to vibrate wearing and tearing.

This lathe frame is used in precision instruments processing has solved current lathe frame is used in precision instruments processing because the shock attenuation effect is poor between lathe and the frame for during the removal, can cause the serious problem of lathe equipment wearing and tearing.

This lathe frame is used in precision instrument processing connects through the cooperation of slide rail, movable block, damping spring and connecting rod, and when first montant received decurrent impact force, the connecting rod drove the movable block and removes to the slide rail both ends, can slow down the impact force, plays absorbing effect.

This lathe frame for precision instruments processing through the cooperation between lathe, frame and the gyro wheel, and the frame can make the lathe shift position in the frame through the gyro wheel in four corners, is convenient for transport the lathe, reduces worker's the work degree of difficulty, has solved current lathe frame for precision instruments processing and has not been convenient for carry, provides the problem of the work degree of difficulty for the worker.

This lathe frame is used in precision instruments processing, through the lathe, a machine support, the gyro wheel, the rubber pad, the second horizontal pole, the second montant, the spout, the slider, the draw-in groove, cooperation between third montant and the third horizontal pole, the spout in the second horizontal pole in the four corners slides to the inboard on the slider in the logical inslot on the second montant can make the rubber pad laminating on the gyro wheel in four corners, the rubber pad laminating in four corners is spacing to gyro wheel removal back on the gyro wheel in four corners, make the lathe in the frame stable with ground, the worker operation of being convenient for uses, the current lathe frame for precision instruments processing has been solved and has been removed the back, can not be stable with ground, thereby influence the problem of worker normal processing.

This lathe frame is used in precision instruments processing, through the lathe, a machine support, the gyro wheel, the down tube, first supporting seat, first round pin axle, the second supporting seat, the swash plate, first horizontal pole, first montant, compression spring, the bracing piece, the gear, second round pin axle, the backup pad, the rubber pad, the second horizontal pole, the second montant, the spout, the slider, the draw-in groove, the cooperation between third montant and the third horizontal pole, the device is rational in infrastructure, and the operation is simple, high durability and convenient use, therefore, the device is strong in practicability, the problem at the bottom of the practicality of the current lathe frame structure for precision instruments processing is complicated is solved, and the operation is difficult.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the diagonal member, the second support seat and the first pin shaft shown in FIG. 1;

FIG. 3 is a schematic structural view of the gear, the second pin and the support plate of FIG. 1;

FIG. 4 is a schematic view of the machine tool, the first vertical bar and the second horizontal bar of FIG. 1;

FIG. 5 is a schematic view of the structure of the frame, rollers and rubber pad of FIG. 1;

fig. 6 is a schematic structural view of the second cross bar, the slider and the sliding groove in fig. 1.

FIG. 7 is a schematic structural view of the shock absorbing mechanism of the present invention;

FIG. 8 is a schematic structural view of the slide rail of the present invention;

in the figure: 1. the machine tool comprises a machine tool body, 2, a frame, 3, a groove, 4, a buffer mechanism, 401, an inclined rod, 402, a first supporting seat, 403, a first pin shaft, 404, a second supporting seat, 405, an inclined plate, 406, a first cross rod, 407, a first vertical rod, 408, a compression spring, 409, a supporting rod, 410, a gear, 411, a second pin shaft, 412, a supporting plate, 5, a limiting mechanism, 501, a rubber pad, 502, a second cross rod, 503, a second vertical rod, 504, a sliding groove, 505, a sliding block, 506, a clamping groove, 507, a third vertical rod, 508, a third cross rod, 6, a roller, 7, a damping mechanism, 71, a sliding rail, 72, a movable block, 73, an inclined rod, 74, a transverse plate, 75 and a return spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-8, the present invention provides a technical solution:

example 1

A shock absorption and buffering machine tool frame for machining a precision instrument comprises a machine tool 1, a frame 2 is installed below the machine tool 1, a buffering mechanism 4 is installed between the machine tool 1 and the frame 2, the buffering mechanism 4 comprises an inclined rod 401, a first supporting seat 402, a first pin shaft 403, a second supporting seat 404, an inclined plate 405, a first cross rod 406, a first vertical rod 407, a compression spring 408, a supporting rod 409, a gear 410, a second pin shaft 411 and a supporting plate 412, the right rear end of the left inclined rod 401 is provided with the first supporting seat 402, the top end of the first supporting seat 402 is fixedly connected with the left bottom end of the machine tool 1, the right rear end of the inclined rod 401 is rotatably connected with the lower front end of the first supporting seat 402 through the first pin shaft 403, the inclined rod 401 moves on the first supporting seat 402 through the first pin shaft 403, the left lower rear side of the inclined rod 401 is provided with the second supporting seat 404, the upper front end of the second supporting seat 404 is rotatably connected with the left rear end of the inclined rod 401 through the first pin shaft 403, the second supporting seat 404 is movable on the inclined rod 401 through a first pin shaft 403, the bottom end of the second supporting seat 404 is fixedly connected with the top end of the left side of the inclined plate 405, the upper middle inner wall of the inclined plate 405 is in clearance fit with the left outer wall of the first cross rod 406, the middle inner wall of the first cross rod 406 is in clearance fit with the lower outer wall of the first vertical rod 407, the first vertical rod 407 moves up and down in the first cross rod 406, and the first vertical rod 407 is made of hard rubber materials, so that the friction force between the first vertical rod 407 and the first cross rod 406 is increased,

the bottom of the first vertical rod 407 is provided with a damping mechanism 7, the damping mechanism 7 comprises a slide rail 71 arranged in the middle of the upper surface of the frame 2 and a cross rod 74 arranged at the bottom end of the first vertical rod 407, two ends of the cross rod 74 are respectively hinged with a connecting rod 73, a movable block 72 is slidably arranged in the slide rail 71, the bottom ends of the two connecting rods 73 are respectively hinged with the upper surface of the movable block 72, wherein two ends in the slide rail 71 are respectively provided with a damping spring 75, and the damping spring 75 is connected with the movable block 72; in specific implementation, when the first vertical rod 407 moves downward, the first vertical rod 407 drives the cross rod 74 to move downward, and further drives the two connecting rods 73 to move to two sides, so as to drive the movable block 72 to move to two ends of the sliding rail 71, and the damping and buffering effects are realized through the acting force of the damping spring 75;

the top end of the first vertical rod 407 is fixedly connected with the middle of the bottom end of the machine tool 1, the outer walls of the left side and the right side of the first cross rod 406 are in clearance fit with compression springs 408, the machine tool 1 drives the inclined plates 405 on the two sides to move outwards on the outer walls of the two sides of the first cross rod 406 through the inclined rods 401 on the two sides so as to compress the compression springs 408 on the two sides, otherwise, the external force applied to the machine tool 1 can be offset through the elasticity of the compression springs 408 on the two sides, a buffering effect is achieved on the machine tool 1, the outer walls of the left side and the right side of the left end and the right end of the first cross rod 406 are fixedly connected with the inner wall above the supporting rod 409, the bottom end of the supporting rod 409 is fixedly connected with the left side and the right side of the top end of the machine frame 2, the lower inclined teeth of the inclined surfaces of the inclined plates 405 are meshed with the gears 410, the middle inner wall of the gear 410 is rotatably connected with the middle inner wall 412, the bottom rigid coupling of backup pad 412 is on the left side top of frame 2, down tube 401, first supporting seat 402, first round pin axle 403, second supporting seat 404, swash plate 405, compression spring 408, bracing piece 409, gear 410, second round pin axle 411 and backup pad 412 all use the central line of lathe 1 to become left and right sides symmetric distribution as the center, strengthen the buffering effect of lathe 1 in frame 2, both sides all are equipped with recess 3 about the top of frame 2, recess 3 has all been seted up to both sides inner wall about the top of frame 2, the recess 3 of both sides is convenient for collect the iron fillings that lathe 1 processing produced, the bottom four corners of frame 2 is equipped with gyro wheel 6, the bottom four corners of frame 2 all with gyro wheel 6's top looks rigid coupling, four gyro wheel 6 are convenient for the lathe 1 transportation in the frame 2.

Example 2

As an optional situation, referring to fig. 1, 5 and 6, a machine tool frame for precision instrument processing, four corners of the bottom end of the frame 2 are all provided with a limiting mechanism 5, the limiting mechanism 5 comprises a rubber pad 501, a second cross bar 502, a second vertical bar 503, a sliding chute 504, a sliding block 505, a clamping groove 506, a third vertical bar 507 and a third cross bar 508, the outer wall of the right side concave part of the rubber pad 501 in front of the left side is attached to the outer wall of the lower left side of the roller 6, the rubber pads 501 in the four corners are attached to the roller 6 in the four corners to limit the roller 6 after moving, so that the machine tool 1 on the frame 2 is stable and grounded, the middle of the left end of the rubber pad 501 is fixedly connected with the right end of the second cross bar 502, the middle outer wall of the second cross bar 502 is in clearance fit with the inner wall of the lower side of the second vertical bar 503, the top end of the second vertical, the sliding groove 504 is clamped with the sliding block 505 in a sliding manner, the rear end of the sliding block 505 is fixedly connected with the surface of the lower middle normal rear end of the second vertical rod 503, the sliding groove 504 in the second cross rod 502 slides outwards on the sliding block 505 in the through groove on the second vertical rod 503 to enable the rubber pad 501 to leave the roller 6, so that the machine tool 1 is convenient to transport, the sliding groove 504 prevents the sliding block 505 from derailing, a clamping groove 506 is arranged above the left side of the second cross rod 502, the clamping groove 506 is arranged on the inner wall above the left side of the second cross rod 502, the inner surface of the clamping groove 506 is in clearance fit with the outer wall below the third vertical rod 507, the outer wall above the third vertical rod 507 is in clearance fit with the inner wall in the middle of the left side of the third cross rod 508, the third vertical rod 507 penetrates through the third cross rod 508 and is inserted into the clamping groove 506 on the second cross rod 502 to limit the second cross rod 502, the right, the sliding groove 504 slides left and right on the sliding block 505, the outer wall above the third vertical rod 507 is provided with friction lines, the friction force between a hand and the third vertical rod 507 is increased by the friction lines to prevent the hand from falling off, the gap distance between the outer wall below the third vertical rod 507 and the inner surface of the clamping groove 506 is 0.1-0.2mm, so that the second cross rod 502 is fixed and stable, the rubber pad 501 is arc-shaped, and is tightly attached to the roller 6 to limit and stabilize the roller 6.

The scheme in this embodiment can be selectively combined with the scheme in other embodiments.

Example 3

When the machine tool frame for machining the precision instrument is used, firstly, the machine tool 1 on the machine frame 2 can be moved by the four-corner rollers 6 of the machine tool frame 2, the machine tool 1 drives the inclined plates 405 on two sides to move outwards on the outer walls of two sides of the first cross rod 406 by the inclined rods 401 on two sides in the transportation process to compress the compression springs 408 on two sides, otherwise, the external force applied to the machine tool 1 can be counteracted by the elasticity of the compression springs 408 on two sides, the machine tool 1 is buffered, the equipment on the machine tool 1 is prevented from being vibrated and worn, the sliding grooves 504 in the second cross rod 502 on four corners slide inwards on the sliding blocks 505 in the through grooves on the second vertical rods 503, so that the rubber pads 501 are attached to the four-corner rollers 6, the rubber pads 501 on the four-corner rollers 6 are attached to be limited after the four-corner rollers 6 move, and the machine tool 1 on the machine tool, the third vertical bar 507 passes through the third cross bar 508 and is inserted into the clamping groove 506 on the second cross bar 502 to limit the second cross bar 502.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

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 precision instruments processing is with shock attenuation buffering lathe frame, includes lathe (1), its characterized in that: a rack (2) is arranged below the machine tool (1), and a buffer mechanism (4) is arranged between the machine tool (1) and the rack (2);

the buffer mechanism (4) comprises an inclined rod (401), a first supporting seat (402), a first pin shaft (403), a second supporting seat (404), an inclined plate (405), a first cross rod (406), a first vertical rod (407), a compression spring (408), a supporting rod (409), a gear (410), a second pin shaft (411) and a supporting plate (412);

the left side right side rear end of down tube (401) is equipped with first supporting seat (402), the top of first supporting seat (402) and the left side bottom looks rigid coupling of lathe (1), the right side rear end of down tube (401) is through the below front end rotation of first round pin axle (403) with first supporting seat (402) and is even, the left side below rear side of down tube (401) is equipped with second supporting seat (404), the top front end of second supporting seat (404) is through the left side rear end rotation of first round pin axle (403) with down tube (401) and is continuous, the bottom of second supporting seat (404) and the left side top rigid coupling of swash plate (405), inner wall and the left side outer wall clearance fit of first horizontal pole (406) in the middle of the top of swash plate (405), the middle inner wall and the below outer wall clearance fit of first vertical pole (407) of first horizontal pole (406), the bottom of first vertical pole (407) is provided with damper (7), the damping mechanism (7) comprises a sliding rail (71) arranged in the middle of the upper surface of the rack (2) and a cross rod (74) arranged at the bottom end of the first vertical rod (407), two ends of the cross rod (74) are respectively hinged with a connecting rod (73), a movable block (72) is arranged in the sliding rail (71) in a sliding manner, the bottom ends of the two connecting rods (73) are respectively hinged with the upper surface of the movable block (72), damping springs (75) are respectively arranged at two ends in the sliding rail (71), and the damping springs (75) are connected with the movable block (72);

the top of first montant (407) and the bottom intermediate phase rigid coupling of lathe (1), the equal clearance fit of the left and right sides outer wall of first horizontal pole (406) has compression spring (408), the left and right sides outer wall of first horizontal pole (406) all with the top inner wall looks rigid coupling of bracing piece (409), the equal rigid coupling in the top left and right sides of frame (2) in bottom of bracing piece (409), the below bevel tooth of swash plate (405) links to each other with gear (410) meshing, the middle inner wall of gear (410) rotates with the top intermediate inner wall of backup pad (412) through the front and back both sides outer wall of second round pin axle (411) and links to each other, the bottom rigid coupling of backup pad (412) is on the left side top of frame (2).

2. The machine tool frame of claim 1, which is used for damping and buffering the precise instrument processing, and is characterized in that: the inclined rod (401), the first supporting seat (402), the first pin shaft (403), the second supporting seat (404), the inclined plate (405), the compression spring (408), the supporting rod (409), the gear (410), the second pin shaft (411) and the supporting plate (412) are symmetrically distributed on the left side and the right side by taking the center line of the machine tool (1) as the center.

3. The machine tool frame of claim 1, which is used for damping and buffering the precise instrument processing, and is characterized in that: the improved multifunctional trolley is characterized in that grooves (3) are formed in the left side and the right side of the upper portion of the rack (2), grooves (3) are formed in the inner walls of the left side and the right side of the upper portion of the rack (2), idler wheels (6) are arranged at four corners of the bottom of the rack (2), and the four corners of the bottom of the rack (2) are fixedly connected with the top ends of the idler wheels (6).

4. The machine tool frame of claim 1, which is used for damping and buffering the precise instrument processing, and is characterized in that: four corners of the bottom end of the rack (2) are provided with limiting mechanisms (5);

the limiting mechanism (5) comprises a rubber pad (501), a second cross rod (502), a second vertical rod (503), a sliding groove (504), a sliding block (505), a clamping groove (506), a third vertical rod (507) and a third cross rod (508);

the outer wall of a right side concave part of the rubber pad (501) in the front of the left side is attached to the outer wall of the left side below the roller (6), the middle of the left end of the rubber pad (501) is fixedly connected with the right end of the second cross rod (502), the middle outer wall of the second cross rod (502) is in clearance fit with the inner wall of the lower part of the second vertical rod (503), the top end of the second vertical rod (503) is fixedly connected with the bottom end of the front side of the left side of the rack (2), the middle inner wall of the right side of the second cross rod (502) is provided with a sliding chute (504), the sliding chute (504) is in sliding clamping connection with the sliding block (505), the rear end of the sliding block (505) is fixedly connected with the surface of the middle common rear end of the lower part of the second vertical rod (503), a clamping groove (506) is arranged above the left side of the second cross rod (502), the inner surface of the clamping groove (506) is in clearance fit with the outer wall of the lower part of the, the upper outer wall of the third vertical rod (507) is in clearance fit with the left middle inner wall of the third transverse rod (508), and the right end of the third transverse rod (508) is fixedly connected with the upper left outer wall of the second vertical rod (503).

5. The machine tool frame of claim 4, which is used for damping and buffering the precise instrument processing, and is characterized in that: the sliding groove (504) and the sliding block (505) form a sliding structure.

6. The machine tool frame of claim 4, which is used for damping and buffering the precise instrument processing, and is characterized in that: the outer wall of the upper part of the third vertical rod (507) is processed with friction grains.

7. The machine tool frame of claim 4, which is used for damping and buffering the precise instrument processing, and is characterized in that: the gap distance between the outer wall below the third vertical rod (507) and the inner surface of the clamping groove (506) is 0.1-0.2 mm.

8. The machine tool frame of claim 4, which is used for damping and buffering the precise instrument processing, and is characterized in that: the rubber pad (501) is arc-shaped.