CN224150087U - Shock-absorbing structure for precision grinding machine - Google Patents

Abstract

The utility model relates to the technical field of machining, in particular to a damping structure for a precision grinder, which solves the problem that the grinding wheel is damaged due to the fact that the damping structure cannot play a role in buffering and damping vibration in the left-right direction in the prior art. The utility model provides a shock-absorbing structure for precision grinder, includes the frame, and the top fixed mounting of frame has the buffering platform, and the top movable mounting of buffering platform has to place the platform, and the inside of buffering platform is provided with the damper that is applicable to placing the platform, and damper includes damper chamber, bumper shock absorber, backup pad, connecting axle, support strip, support loop bar, bracing piece, buffer chamber, sealed pad, coil spring one and coil spring two. According to the utility model, through the installation of the shock absorber, the supporting rod, the buffer cavity, the sealing gasket, the first spiral spring and the second spiral spring, the up-and-down shaking of the placing table can be buffered and damped, and the left-and-right shaking of the placing table can be buffered and damped, so that the service life of the grinding wheel is greatly prolonged.

Description

Shock-absorbing structure for precision grinding machine

Technical Field

The utility model relates to the technical field of machining, in particular to a damping structure for a precision grinder.

Background

Precision grinding machines are machine tool equipment for performing high-precision grinding processing on various workpieces. The surface precision, the dimensional precision and the shape precision of the workpiece can be processed to extremely high levels by using a high-precision grinding tool to precisely control grinding parameters.

The utility model discloses a Chinese patent publication No. CN213136198U, which discloses a precision forming grinding machine with a damping function, comprising a frame, wherein a support frame is fixedly arranged at one end above the frame, a polishing structure is positioned at the bottom of the support frame and comprises a hydraulic cylinder, a support seat, a grinding wheel and a rotating motor, and the hydraulic cylinder is slidably arranged at the bottom of the support frame through a chute. According to the utility model, the telescopic support columns are fixedly arranged in the placing table at equal intervals, the periphery of each telescopic support column is also sleeved with the compression spring, the top of each telescopic support column is fixedly provided with the placing plate, when a workpiece is placed on the placing plate for grinding, most of vibration can be buffered by utilizing the elasticity of the springs, so that the grinding wheel is prevented from being damaged due to the vibration, dust or fragments generated in the grinding process can be sucked into the feeding pipe by utilizing the suction force generated by the negative pressure fan and then fall into the dust collecting cavity, and the dust and fragments are collected through the discharging port, so that the dust and fragments are convenient to use.

The existing device can play a role in damping and buffering the placing plate by the telescopic supporting columns and the compression springs, but the placing plate cannot play a role in damping and buffering effectively when being vibrated in the left-right direction, so that damage to the grinding wheel can be caused.

Disclosure of utility model

The utility model aims to provide a damping structure for a precision grinding machine, which solves the problem that the vibration in the left-right direction cannot be buffered and damped in the prior art, so that the grinding wheel is damaged.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

The utility model provides a shock-absorbing structure for precision grinder, which comprises a frame, the top fixed mounting of frame has the buffering platform, the top movable mounting of buffering platform has the platform of placing, the inside of buffering platform is provided with the damper that is applicable to the platform of placing, damper includes the shock attenuation chamber, the bumper shock absorber, the backup pad, the connecting axle, the support pole, support loop bar, the bracing piece, the buffer chamber, sealed pad, coil spring one and coil spring two, the top at the buffering platform is seted up to the shock attenuation chamber, the bumper shock absorber is rectangular array distribution fixed mounting in the inside of shock attenuation chamber, backup pad fixed mounting is at the top of bumper shock absorber, connecting axle swivelling joint is at the top of backup pad, the support pole is symmetrical distribution fixed connection in the inside of shock attenuation chamber, and be located the outside of bumper shock absorber, the support loop bar is symmetrical distribution swivelling joint in the inside of supporting the loop bar, the inside of supporting the loop bar is seted up to the buffer chamber, sealed pad fixed mounting is on the side surface of bracing piece, and be located the inside of buffer chamber, coil spring one fixed connection is at the one end of sealed pad, coil spring two fixed connection is at the other end of sealed pad.

Preferably, the top fixed mounting of frame has L shape support frame, and the lower surface of L shape support frame is provided with the structure of polishing, and the structure of polishing is including removing spout, electronic slider, electric putter, mounting bracket, emery wheel and rotating electrical machines, removes the lower surface of spout seting up at L shape support frame.

Preferably, the electric sliding block is slidingly connected to the outer side of the movable sliding groove, the electric push rod is fixedly arranged at the lower end of the electric sliding block, the mounting frame is fixedly arranged at the lower end of the telescopic end of the electric push rod, the grinding wheel is rotationally connected to the inside of the mounting frame, the rotating motor is fixedly arranged at the back of the mounting frame, and the driving end of the rotating motor is in driving connection with the grinding wheel.

Preferably, the top of placing the platform is symmetric distribution movable mounting and has splint, the top of placing the platform is provided with the removal subassembly that is applicable to splint, remove the subassembly and include spacing spout, two-way lead screw, support spout and handle, spacing spout is symmetric distribution and sets up at the top of placing the platform, two-way lead screw swivelling joint is in the inside of placing the platform, and run through to the inside of spacing spout, support the spout and be symmetric distribution and set up at the top of placing the platform, handle swivelling joint is in the side of placing the platform, and be connected with two-way lead screw transmission, one side fixed mounting relative between the splint has the protection pad.

Preferably, the left side of L shape support frame fixed mounting has the negative pressure fan, and the ash discharge mouth has been seted up on the right side of frame, and the ash discharge mouth is linked together with the negative pressure fan.

Preferably, the front surface of the frame is fixedly provided with a control panel, the bottom of the frame is in rectangular array distribution and fixedly connected with support columns, and the bottoms of the support columns are fixedly provided with anti-skid pads.

The utility model has the following beneficial effects:

According to the utility model, through the installation of the shock absorber, the supporting rod, the buffer cavity, the sealing gasket, the first spiral spring and the second spiral spring, the up-and-down shaking of the placing table can be buffered and damped, and the left-and-right shaking of the placing table can be buffered and damped, so that the service life of the grinding wheel is greatly prolonged.

According to the utility model, the clamping plates on two sides are driven to move relatively through the rotation of the bidirectional screw rod, so that the clamping plates drive the protection pad to clamp and fix the workpiece, the workpiece is prevented from shaking in the polishing process, and the polishing safety and stability of the workpiece are effectively improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the overall perspective and front view structure of the present utility model;

FIG. 2 is a schematic perspective view of a buffer station component and a placement station component of the present utility model;

FIG. 3 is a schematic perspective view of a shock absorbing chamber component and other components of the present utility model;

FIG. 4 is a schematic cross-sectional perspective view of a support loop bar assembly and a support bar assembly of the present utility model;

fig. 5 is a schematic diagram of the overall perspective side view structure of the present utility model.

The device comprises a frame 1, a buffer table 2, a placing table 3, a 4-L-shaped supporting frame 5, a clamping plate 6, a protection pad 7, a negative pressure fan 8, a dust discharging port 9, a control panel 10, a supporting column 11, an anti-skid pad 301, a shock absorption cavity 302, a shock absorber 303, a supporting plate 304, a connecting shaft 305, a supporting bar 306, a supporting loop bar 307, a supporting rod 308, a buffer cavity 309, a sealing pad 310, a first spiral spring 311, a second spiral spring 401, a moving chute 402, an electric slider 403, an electric push rod 404, a mounting frame 405, a grinding wheel 406, a rotating motor 501, a limiting chute 502, a bidirectional screw rod 503, a supporting chute 504 and a handle.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 1-5, a damping structure for a precision grinder comprises a frame 1, a buffer table 2 is fixedly installed at the top of the frame 1, a placement table 3 is movably installed at the top of the buffer table 2, a damping component suitable for placing the table 3 is arranged in the buffer table 2, the damping component comprises a damping cavity 301, a damper 302, a supporting plate 303, a connecting shaft 304, a supporting bar 305, a supporting sleeve 306, a supporting bar 307, a damping cavity 308, a sealing gasket 309, a first spiral spring 310 and a second spiral spring 311, the damping cavity 301 is formed at the top of the buffer table 2, the damper 302 is fixedly installed in the damping cavity 301 in a rectangular array, the supporting plate 303 is fixedly installed at the top of the damper 302, the connecting shaft 304 is rotatably connected at the top of the supporting plate 303, the supporting bar 305 is symmetrically distributed and fixedly connected in the damping cavity 301, and is located at the outer side of the damper 302, the supporting sleeve 306 is symmetrically distributed and rotatably connected at one side opposite to the supporting plate 303, the supporting bar 307 is movably sleeved in the supporting sleeve 306, the supporting bar 308 is formed in the supporting sleeve 306, the sealing gasket 309 is fixedly installed on the side surface of the supporting bar 307, the sealing gasket 309 is fixedly installed in the inner portion of the supporting bar 307, the first spiral spring 308 is fixedly connected to the sealing gasket 309, and the other end of the spiral spring 309 is fixedly connected to the sealing gasket 309 at the other end of the sealing gasket 309.

The connecting shaft 304 is used for connecting the placing table 3 and the supporting plate 303, meanwhile, the placing table 3 can rotate at a small angle, the sealing pad 309 can enable the inside of the buffer cavity 308 to be in a semi-sealing state, the shock absorber 302 is installed, the vertical force applied to the placing table 3 can play a role in buffering and damping, the supporting sleeve rod 306, the supporting rod 307, the buffer cavity 308, the sealing pad 309, the first spiral spring 310 and the second spiral spring 311 are installed, the left and right vibration applied to the placing table 3 can be buffered and damped through the shock absorber 302 when the placing table 3 is subjected to vibration up and down, the pressure is applied to the supporting rod 307 on one side when the placing table 3 is subjected to vibration left and right, the supporting rod 307 can slide in the buffer cavity 308 of the supporting sleeve rod 306, and the supporting rod 307 can play a role in buffering and damping the left and right vibration applied to the placing table 3 through the elasticity of the first spiral spring 310 and the second spiral spring 311 and the friction of the sealing pad 309 in the moving process. According to the utility model, through the installation of the shock absorber 302, the support rod 307, the buffer cavity 308, the sealing gasket 309, the first spiral spring 310 and the second spiral spring 311, not only can the up-and-down shaking of the placing table 3 be buffered and damped, but also the left-and-right shaking of the placing table 3 can be buffered and damped, and the service life of the grinding wheel 405 is greatly prolonged.

Further, an L-shaped supporting frame 4 is fixedly arranged at the top of the frame 1, a polishing structure is arranged on the lower surface of the L-shaped supporting frame 4, the polishing structure comprises a movable chute 401, an electric sliding block 402, an electric push rod 403, a mounting frame 404, a grinding wheel 405 and a rotating motor 406, and the movable chute 401 is arranged on the lower surface of the L-shaped supporting frame 4;

The electric slide block 402 is in sliding connection with the outer side of the movable slide groove 401, the electric push rod 403 is fixedly arranged at the lower end of the electric slide block 402, the mounting frame 404 is fixedly arranged at the lower end of the telescopic end of the electric push rod 403, the grinding wheel 405 is rotationally connected with the inside of the mounting frame 404, the rotating motor 406 is fixedly arranged on the back of the mounting frame 404, and the driving end of the rotating motor 406 is in driving connection with the grinding wheel 405.

The installation of structure of polishing is through starting electric slider 402 for electric slider 402 drives electric putter 403 and emery wheel 405 and removes in the inside of removing spout 401, makes emery wheel 405 remove to suitable position, later starts rotating electrical machines 406, makes the driving end of rotating electrical machines 406 drive emery wheel 405 rotatory, thereby polishes the surface of work piece, can also start electric putter 403 at last, makes electric putter 403's flexible end decline, thereby adjusts the position of emery wheel 405.

Further, place the top of platform 3 and be symmetric distribution movable mounting and have splint 5, the top of placing the platform 3 is provided with the removal subassembly that is applicable to splint 5, remove the subassembly and include spacing spout 501, two-way lead screw 502, support spout 503 and handle 504, spacing spout 501 is symmetric distribution and sets up at the top of placing the platform 3, two-way lead screw 502 swivelling joint is placing the inside of platform 3, and run through to the inside of spacing spout 501, support spout 503 is symmetric distribution and sets up at the top of placing the platform 3, handle 504 swivelling joint is in the side of placing the platform 3, and be connected with two-way lead screw 502 transmission, one side fixed mounting who is relative between the splint 5 has protection pad 6.

The bottom of the clamping plate 5 is respectively matched with the limit sliding groove 501 and the support sliding groove 503 and is also in threaded connection with the bidirectional screw rod 502, the movable assembly is arranged, the handle 504 drives the bidirectional screw rod 502 to rotate by rotating the handle 504, the clamping plates 5 on two sides can be driven to relatively move while the bidirectional screw rod 502 rotates, and then the protective pad 6 can be driven to clamp and fix a workpiece along with the relative movement of the clamping plates 5. According to the utility model, the clamping plates 5 on two sides are driven to move relatively through the rotation of the bidirectional screw rod 502, so that the clamping plates 5 drive the protection pad 6 to clamp and fix a workpiece, the workpiece is prevented from shaking in the polishing process, and the polishing safety and stability of the workpiece are effectively improved.

Further, a negative pressure fan 7 is fixedly arranged on the left side of the L-shaped support frame 4, an ash discharge port 8 is formed on the right side of the frame 1, and the ash discharge port 8 is communicated with the negative pressure fan 7;

The front of the frame 1 is fixedly provided with a control panel 9, the bottom of the frame 1 is in rectangular array distribution and fixedly connected with support columns 10, and the bottom of the support columns 10 is fixedly provided with an anti-skid pad 11.

The negative pressure fan 7 is used for sucking dust generated by grinding of the grinding wheel 405, and then discharging the dust to the outside through the dust discharge port 8, so that the top of the placing table 3 is automatically cleaned, and the anti-skid pad 11 is arranged, so that friction with a placing surface can be increased, and the placing safety and stability of the utility model are improved.

To sum up:

When the device is used, a workpiece is firstly placed on the top of the placing table 3, then the handle 504 is rotated, the bidirectional screw rod 502 is driven to rotate by the handle 504, the clamping plates 5 on two sides can be driven to move relatively while the bidirectional screw rod 502 rotates, and then the protective pad 6 can be driven to clamp and fix the workpiece along with the relative movement of the clamping plates 5;

After that, the electric slide block 402 is started, so that the electric slide block 402 drives the electric push rod 403 and the grinding wheel 405 to move in the moving chute 401, the grinding wheel 405 is moved to a proper position, and then the rotating motor 406 is started, so that the driving end of the rotating motor 406 drives the grinding wheel 405 to rotate, thereby polishing the surface of a workpiece;

Finally, when the workpiece is polished by the grinding wheel 405 to cause vibration of the placing table 3, the up-and-down vibration of the placing table 3 can be buffered and damped by the damper 302, when the placing table 3 is subjected to left-and-right vibration, the placing table 3 can apply pressure to the support rod 307 on one side, so that the support rod 307 slides in the buffer cavity 308 of the support sleeve rod 306, and the support rod 307 can play a role in buffering and damping the left-and-right vibration of the placing table 3 through the elasticity of the first spiral spring 310 and the second spiral spring 311 and the friction of the sealing gasket 309 in the moving process.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a shock-absorbing structure for precision grinder, includes frame (1), its characterized in that, the top fixed mounting of frame (1) has buffer table (2), the top movable mounting of buffer table (2) has place platform (3), the inside of buffer table (2) is provided with the damper assembly who is applicable to place platform (3), damper assembly includes damper chamber (301), bumper shock absorber (302), backup pad (303), connecting axle (304), support bar (305), support loop bar (306), bracing piece (307), buffer chamber (308), sealed pad (309), coil spring one (310) and coil spring two (311), damper chamber (301) are offered at the top of buffer table (2), bumper shock absorber (302) are rectangular array distribution fixed mounting in the inside of damper chamber (301), backup pad (303) fixed mounting is at the top of bumper shock absorber (302), connecting axle (304) swivelling joint is at the top of backup pad (303), support bar (305) are symmetrical distribution fixed connection in the inside of damper chamber (301), and lie in bumper shock absorber (302) support bar (306) are symmetrical distribution and are the inside of support bar (306) and are cup jointed in the relative movable support bar (306), the buffer cavity (308) is formed in the support sleeve rod (306), the sealing gasket (309) is fixedly mounted on the side surface of the support rod (307) and located in the buffer cavity (308), the first spiral spring (310) is fixedly connected to one end of the sealing gasket (309), and the second spiral spring (311) is fixedly connected to the other end of the sealing gasket (309).

2. The damping structure for the precision grinding machine according to claim 1, wherein an L-shaped supporting frame (4) is fixedly installed at the top of the frame (1), a polishing structure is arranged on the lower surface of the L-shaped supporting frame (4), the polishing structure comprises a movable sliding groove (401), an electric sliding block (402), an electric push rod (403), a mounting frame (404), a grinding wheel (405) and a rotating motor (406), and the movable sliding groove (401) is formed in the lower surface of the L-shaped supporting frame (4).

3. The damping structure for the precision grinding machine according to claim 2, wherein the electric sliding block (402) is slidably connected to the outer side of the moving sliding groove (401), the electric push rod (403) is fixedly installed at the lower end of the electric sliding block (402), the installation frame (404) is fixedly installed at the lower end of the telescopic end of the electric push rod (403), the grinding wheel (405) is rotatably connected to the inside of the installation frame (404), the rotating motor (406) is fixedly installed at the back of the installation frame (404), and the driving end of the rotating motor (406) is in driving connection with the grinding wheel (405).

4. The shock-absorbing structure for the precision grinding machine according to claim 1, wherein the top of the placing table (3) is symmetrically distributed and movably provided with clamping plates (5), the top of the placing table (3) is provided with a moving assembly suitable for the clamping plates (5), the moving assembly comprises a limiting sliding groove (501), a bidirectional screw rod (502), a supporting sliding groove (503) and a handle (504), the limiting sliding groove (501) is symmetrically distributed and arranged at the top of the placing table (3), the bidirectional screw rod (502) is rotationally connected inside the placing table (3) and penetrates through the limiting sliding groove (501), the supporting sliding groove (503) is symmetrically distributed and arranged at the top of the placing table (3), the handle (504) is rotationally connected to the side surface of the placing table (3) and is in transmission connection with the bidirectional screw rod (502), and a protection pad (6) is fixedly arranged on one side opposite to the clamping plates (5).

5. The damping structure for the precision grinding machine according to claim 2, wherein a negative pressure fan (7) is fixedly arranged on the left side of the L-shaped supporting frame (4), a dust discharging port (8) is formed in the right side of the frame (1), and the dust discharging port (8) is communicated with the negative pressure fan (7).

6. The damping structure for the precision grinding machine according to claim 1, wherein a control panel (9) is fixedly arranged on the front surface of the frame (1), support columns (10) are fixedly connected to the bottom of the frame (1) in a rectangular array distribution mode, and anti-slip pads (11) are fixedly arranged at the bottoms of the support columns (10).