CN113246020A

CN113246020A - Shockproof grinding machine

Info

Publication number: CN113246020A
Application number: CN202110739920.5A
Authority: CN
Inventors: 马衡飞
Original assignee: Nantong Haitai Mechanical Equipment Co ltd
Current assignee: Nantong Haitai Mechanical Equipment Co ltd
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2021-08-13
Anticipated expiration: 2041-07-01
Also published as: CN113246020B

Abstract

The invention provides a shockproof grinding machine, and relates to the field of machining. This grinding machine takes precautions against earthquakes, the on-line screen storage device comprises a base, the upper end both sides of base all are provided with the slider, the electronic jar of upper end fixedly connected with of slider, the upper end extension of electronic jar is provided with the telescopic link, the upper end fixedly connected with support of telescopic link, the lower extreme of support rotates and is connected with the compression roller, the upper end of support rotates and is connected with the tension roller, the upper end four corners fixedly connected with support column of base, the upper portion of support column is provided with the air chamber, the lower extreme fixedly connected with bracing piece of upper plate, the first slide bar of lower extreme fixedly connected with of bracing piece, the lower extreme fixedly connected with piston of first slide bar, the piston is located the inside of air chamber, and piston and air chamber sliding fit, be provided with the extension spring on the first slide bar. The generated vibration is isolated, and the polishing quality of the workpiece is improved.

Description

Shockproof grinding machine

Technical Field

The invention relates to the technical field of machining, in particular to a shockproof grinding machine.

Background

A grinding machine is a machine tool that grinds the surface of a workpiece using a grinding tool. Most grinding machines perform grinding using a grinding wheel rotating at a high speed, and a few grinding machines perform grinding using oilstones, sanding belts and other grinders and free abrasives, such as honing machines, superfinishing machines, sanding belt grinders, grinding machines, polishing machines, and the like.

In the existing grinding machine for grinding wheels, the grinding wheel vibrates in the rotating process. In the grinding wheel polishing process, the grinding wheel and the driving part move together, vibration is generated when the grinding wheel is unevenly distributed in mass and the driving part works, and the vibration is transmitted to the grinding wheel, so that the surface of a workpiece is easily damaged, and the improvement of the precision of the workpiece is not facilitated.

When the applicant applies the invention, through search, a Chinese patent is found to disclose a shockproof grinding machine, the application number of which is '201922441268. X', the shockproof grinding machine mainly forms shock isolation between a workbench and a base in a spring and magnetic force mode, but the shockproof grinding machine cannot process shock generated by a grinding tool.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a shockproof grinding machine, which solves the problem that the rotation of a grinding wheel of the grinding machine in the prior art generates shock.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a shockproof grinding machine comprises a base, wherein a fixed platform is arranged in the middle of the upper end of the base, sliding blocks are arranged on two sides of the upper end of the base, an electric cylinder is fixedly connected to the upper end of each sliding block, an expansion link extends from the upper end of the electric cylinder, a support is fixedly connected to the upper end of the expansion link, a compression roller is rotatably connected to the lower end of the support, a tension roller is rotatably connected to the upper end of the support, an upper plate is arranged above the base, fixing parts are fixedly connected to two sides of the lower end of the upper plate, power rollers are rotatably connected to the fixing parts, and abrasive belts are arranged on the compression roller, the tension roller and the power rollers;

the support comprises a connecting rod, a notch is formed in the middle of the connecting rod, a cavity is formed in the connecting rod and is located above the notch, an adjusting bolt is arranged at the notch and extends upwards to the cavity, a stop block is arranged on the adjusting bolt and is in threaded connection with the adjusting bolt, a spring is arranged above the stop block, a second sliding rod is arranged above the spring and extends upwards out of the connecting rod;

the utility model discloses a pneumatic tool, including base, upper end four corners fixedly connected with support column, the upper portion of support column is provided with the air chamber, the lower extreme fixedly connected with bracing piece of upper plate, the first slide bar of lower extreme fixedly connected with of bracing piece, the lower extreme fixedly connected with piston of first slide bar, the piston is located the inside of air chamber, and piston and air chamber sliding fit, be provided with the extension spring on the first slide bar.

Preferably, the two sides of the fixed platform are provided with chip grooves, baffle plates are arranged between the chip grooves and the sliding blocks, the base is provided with a water tank, and the water tank is communicated with the chip grooves.

Preferably, the base is fixedly connected with a first motor, one end of the first motor extends to be provided with a lead screw, the lead screw penetrates through the sliding block, and the lead screw is in threaded connection with the sliding block.

Preferably, one side fixedly connected with second motor of mounting, the one end extension of second motor is provided with the motor shaft, and motor shaft and power roller fixed connection.

Preferably, the lower end of the connecting rod is rotatably connected with the compression roller, and the upper end of the second sliding rod is rotatably connected with the tension roller.

Preferably, one end of the spring abuts against the stop block, and the other end of the spring abuts against the second sliding rod.

Preferably, the middle side wall of the connecting rod is fixedly connected with a connecting piece, and the other end of the connecting piece is fixedly connected with the upper end of the telescopic rod.

Preferably, one end of the tension spring is fixedly connected with the upper end of the supporting column, and the other end of the tension spring is fixedly connected with the lower end of the supporting rod.

(III) advantageous effects

The invention provides a shockproof grinding machine. The method has the following beneficial effects:

1. according to the invention, the abrasive belt is pressed against the surface of the workpiece by the compression roller, the abrasive belt is flexible, vibration is hardly transmitted, and the workpiece can be prevented from being damaged by vibration in the process of polishing the workpiece.

2. According to the invention, under the action of the air chamber and the tension spring, the damping is provided in the vertical movement process of the support rod, so that the vibration can be prevented from being transmitted to the base, the stability of the device is improved, and the grinding quality of the device is improved.

3. According to the invention, the compression state of the spring can be conveniently adjusted by rotating the adjusting bolt, so that the tension of the tension roller on the abrasive belt can be adjusted, and the abrasive belt can be conveniently adjusted by the method.

Drawings

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

FIG. 2 is a perspective view of a second embodiment of the present invention;

FIG. 3 is a schematic top view of the support post of the present invention;

FIG. 4 is a perspective view of the stand of the present invention;

FIG. 5 is a perspective view of the base of the present invention;

FIG. 6 is a cross-sectional schematic view of a connecting rod of the present invention.

Wherein, 1, a base; 2. an upper plate; 3. a water tank; 4. a fixed platform; 5. a support pillar; 6. a first motor; 7. a support bar; 8. a fixing member; 9. a baffle plate; 10. an abrasive belt; 11. a slider; 12. an electric cylinder; 13. a compression roller; 14. a telescopic rod; 15. a support; 16. a lead screw; 17. a tension roller; 18. a power roller; 19. a second motor; 20. an air chamber; 21. a piston; 22. a first slide bar; 23. a tension spring; 24. a connecting rod; 25. a connecting member; 26. a notch; 27. adjusting the bolt; 28. a second slide bar; 29. a chip groove; 30. a stopper; 31. a 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.

Example (b):

as shown in fig. 1-6, an embodiment of the invention provides a shockproof grinding machine, which includes a base 1, a fixed platform 4 is disposed in the middle of the upper end of the base 1, and is used for placing a workpiece, and fixing the workpiece by using a clamp or a magnetic adsorption manner, sliders 11 are disposed on both sides of the upper end of the base 1, the sliders 11 are in sliding fit with the base 1, an electric cylinder 12 is fixedly connected to the upper end of the sliders 11, an expansion rod 14 is extended from the upper end of the electric cylinder 12, a bracket 15 is fixedly connected to the upper end of the expansion rod 14, the electric cylinder 12 acts to realize the lifting of the bracket 15, and is used for grinding scenes of workpieces with different thicknesses, a compression roller 13 is rotatably connected to the lower end of the bracket 15, a tension roller 17 is rotatably connected to the upper end of the bracket 15, and is used for adjusting the tension of an abrasive belt 10, an upper plate 2 is disposed above the base 1, fixing members 8 are fixedly connected to both sides of the lower end of the upper plate 2, and a power roller 18 is rotatably connected to the fixing members 8, one side of the fixed part 8 is fixedly connected with a second motor 19, one end of the second motor 19 is provided with a motor shaft in an extending way, the motor shaft is fixedly connected with a power roller 18, a compression roller 13, a tension roller 17 and the power roller 18 are provided with abrasive belts 10, the second motor 19 is started to drive the power roller 18 to rotate, so as to realize the action of the abrasive belts 10, no matter a grinding wheel or the abrasive belts 10 are adopted in the traditional grinding machine, the driven parts are not subjected to vibration isolation, such as a grinding wheel mode, the grinding wheel is driven by a driving part, meanwhile, in the grinding process of the grinding wheel, the grinding wheel and the driving part move together, when the grinding wheel and the driving part work, vibration is generated, and the vibration is transmitted to the grinding wheel, so that the surface damage of a workpiece is easily caused, in the structure, the compression roller 13 is adopted to lean the abrasive belts 10 against the surface of the workpiece, the abrasive belts 10 are flexible, so that the vibration is hardly transmitted, and in the process of grinding the workpiece, the workpiece can be prevented from being damaged by vibration.

The support 15 comprises a connecting rod 24, the lower end of the connecting rod 24 is rotatably connected with the pressing roller 13, a notch 26 is formed in the middle of the connecting rod 24, a chamber is formed inside the connecting rod 24 and located above the notch 26, an adjusting bolt 27 is arranged at the notch 26, the adjusting bolt 27 extends upwards to the chamber, a stop block 30 is arranged on the adjusting bolt 27, the stop block 30 is in threaded connection with the adjusting bolt 27, a spring 31 is arranged above the stop block 30, a second sliding rod 28 is arranged above the spring 31, one end of the spring 31 abuts against the stop block 30, the other end of the spring 31 abuts against the second sliding rod 28, even if a tool extends into the notch 26 and blocks the adjusting bolt 27 to rotate, the height of the stop block 30 in threaded connection with the spring changes, in order to prevent the stop block 30 from rotating along with the adjusting bolt 27, the stop block 30 and the chamber are in sliding fit, namely, a groove is formed in the side wall of the chamber to be matched with the stop block 30, spring 31 is compressed or relaxed, and the acting force on second slide bar 28 changes, i.e. the force pushing tension roller 17 changes, so as to adjust the tension of abrasive belt 10, in this way, the second slide bar 28 extends upwards to form connecting rod 24, and the upper end of second slide bar 28 is rotatably connected with tension roller 17.

The upper end four corners of the base 1 are fixedly connected with supporting columns 5, the upper part of the supporting column 5 is provided with an air chamber 20, the lower end of the upper plate 2 is fixedly connected with a supporting rod 7, the lower end of the supporting rod 7 is fixedly connected with a first slide bar 22, the lower end of the first slide bar 22 is fixedly connected with a piston 21, the piston 21 is positioned in the air chamber 20, the piston 21 is in sliding fit with the air chamber 20, the first slide bar 22 is provided with a tension spring 23, one end of the tension spring 23 is fixedly connected with the upper end of the supporting column 5, the other end of the tension spring 23 is fixedly connected with the lower end of the supporting rod 7, when the device works, the second motor 19 vibrates when working, when the device displaces in the vertical direction, when the supporting rod 7 moves upwards, the supporting rod is pulled by the tension spring 23, and the air chamber 20 is a sealed chamber, the air chamber receives the acting force of the atmospheric pressure to prevent the supporting rod 7 from moving upwards, and when the supporting rod 7 moves downwards, the internal pressure of the air chamber 20 increases, hinder bracing piece 7 downward position, all have the damping in the motion process of bracing piece 7 vertical direction promptly, can avoid on vibrations transmit to base 1, improve the stability of device.

The two sides of the fixed platform 4 are provided with chip grooves 29, a nozzle can be further mounted on the support 15 and used for spraying grinding fluid, grinding chips generated by grinding can be washed into the chip grooves 29 by the grinding fluid, a baffle 9 is arranged between the chip grooves 29 and the sliding block 11 and used for preventing the grinding fluid from influencing the movement of the sliding block 11, the base 1 is provided with a water tank 3, the water tank 3 is communicated with the chip grooves 29, and the water tank 3 is provided with a water pump used for supplying the nozzle.

Fixedly connected with first motor 6 on the base 1, the one end of first motor 6 extends and is provided with lead screw 16, and lead screw 16 runs through slider 11, and lead screw 16 and slider 11 threaded connection start first motor 6, and lead screw 16 rotates, and slider 11 with it threaded connection slides on base 1.

The middle part lateral wall fixedly connected with connecting piece 25 of connecting rod 24, the other end of connecting piece 25 and the upper end fixed connection of telescopic link 14 are provided with the floor on the connecting piece 25 for improve the structural strength of connecting piece 25.

The working principle is as follows: when the abrasive belt grinding machine is used, a workpiece is placed on the fixed platform 4 to be fixed, a tool stretches into the gap 26 and blocks the adjusting bolt 27 to rotate, the height of the stop block 30 in threaded connection with the adjusting bolt is changed, the spring 31 is pressed or relaxed, the acting force on the second sliding rod 28 is changed, namely the force of the tension roller 17 is pushed, the tension force of the abrasive belt 10 is adjusted, the second motor 19 is started to drive the power roller 18 to rotate, the abrasive belt 10 is driven to move, then the electric cylinder 12 is started to move, the support 15 is lifted, the pressing roller 13 is close to the surface of the workpiece, the abrasive belt 10 is contacted with the surface of the workpiece, finally the first motor 6 is started, the lead screw 16 rotates, the sliding block 11 in threaded connection with the lead screw 16 slides on the base 1, and the surface of the workpiece is ground along with the movement of the pressing roller 13.

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. A shockproof grinding machine is characterized by comprising a base (1), wherein a fixed platform (4) is arranged in the middle of the upper end of the base (1), both sides of the upper end of the base (1) are provided with sliding blocks (11), the upper end of each sliding block (11) is fixedly connected with an electric cylinder (12), an expansion rod (14) is arranged at the upper end of the electric cylinder (12) in an extending way, a bracket (15) is fixedly connected at the upper end of the expansion rod (14), the lower end of the bracket (15) is rotatably connected with a compression roller (13), the upper end of the bracket (15) is rotatably connected with a tension roller (17), an upper plate (2) is arranged above the base (1), both sides of the lower end of the upper plate (2) are fixedly connected with fixing pieces (8), a power roller (18) is rotatably connected to the fixing piece (8), and abrasive belts (10) are arranged on the compression roller (13), the tension roller (17) and the power roller (18);

support (15) include connecting rod (24), the middle part of connecting rod (24) is provided with breach (26), the inside of connecting rod (24) is provided with the cavity, and the cavity is located the top of breach (26), breach (26) department is provided with adjusting bolt (27), adjusting bolt (27) upwards extend to the cavity, be provided with dog (30) on adjusting bolt (27), and dog (30) and adjusting bolt (27) are threaded connection, the top of dog (30) is provided with spring (31), the top of spring (31) is provided with second slide bar (28), and second slide bar (28) upwards extend connecting rod (24).

2. The vibration-proof grinding machine of claim 1, wherein: the utility model discloses a pneumatic control valve, including base (1), upper end four corners fixedly connected with support column (5), the upper portion of support column (5) is provided with air chamber (20), lower extreme fixedly connected with bracing piece (7) of upper plate (2), the first slide bar of lower extreme fixedly connected with (22) of bracing piece (7), the lower extreme fixedly connected with piston (21) of first slide bar (22), piston (21) are located the inside of air chamber (20), and piston (21) and air chamber (20) sliding fit, be provided with extension spring (23) on first slide bar (22).

3. The vibration-proof grinding machine of claim 2, wherein: the novel water tank is characterized in that chip grooves (29) are formed in two sides of the fixed platform (4), baffle plates (9) are arranged between the chip grooves (29) and the sliding blocks (11), a water tank (3) is arranged on the base (1), and the water tank (3) is communicated with the chip grooves (29).

4. The vibration-proof grinding machine of claim 2, wherein: the base (1) is fixedly connected with a first motor (6), one end of the first motor (6) extends to be provided with a lead screw (16), the lead screw (16) penetrates through a sliding block (11), and the lead screw (16) is in threaded connection with the sliding block (11).

5. The vibration-proof grinding machine of claim 2, wherein: one side fixedly connected with second motor (19) of mounting (8), the one end of second motor (19) extends and is provided with the motor shaft, and motor shaft and power roller (18) fixed connection.

6. The vibration-proof grinding machine of claim 2, wherein: the lower end of the connecting rod (24) is rotatably connected with the compression roller (13), and the upper end of the second sliding rod (28) is rotatably connected with the tension roller (17).

7. The vibration-proof grinding machine of claim 2, wherein: one end of the spring (31) is propped against the stop block (30), and the other end of the spring (31) is propped against the second sliding rod (28).

8. The vibration-proof grinding machine of claim 2, wherein: the middle side wall of the connecting rod (24) is fixedly connected with a connecting piece (25), and the other end of the connecting piece (25) is fixedly connected with the upper end of the telescopic rod (14).

9. The vibration-proof grinding machine of claim 2, wherein: one end of the tension spring (23) is fixedly connected with the upper end of the support column (5), and the other end of the tension spring (23) is fixedly connected with the lower end of the support rod (7).