CN216542534U

CN216542534U - Automatic adjusting mechanism of polishing machine

Info

Publication number: CN216542534U
Application number: CN202122766838.XU
Authority: CN
Inventors: 韦强胜
Original assignee: Jiangmen Puhao Mechanical Equipment Co ltd
Current assignee: Jiangmen Puhao Mechanical Equipment Co ltd
Priority date: 2021-11-12
Filing date: 2021-11-12
Publication date: 2022-05-17
Anticipated expiration: 2031-11-12

Abstract

The utility model discloses an automatic adjusting mechanism of a polishing machine, which comprises a bottom plate, wherein a vertical plate is fixed on one side of the upper surface of the bottom plate. According to the utility model, the polishing machine is provided with the bottom plate, the vertical plate, the driving box, the sliding block, the screw rod, the servo motor, the PLC controller and the second pressure sensor, so that when the polishing machine polishes a workpiece, the screw rod can be driven by the servo motor to rotate, the driving box can move up and down freely, after the bottom of polishing paper on one side of the driving box is contacted with the surface of the workpiece, the second pressure sensor can be subjected to pressure in the sensing axial direction, the servo motor is controlled by the PLC controller to rotate in a positive and negative mode in real time, the driving box is enabled to continuously bounce up and down, and the pressure value acted on the second pressure sensor by the sensing shaft is kept unchanged, so that the pressure of any part of the workpiece by a driven wheel and the polishing paper is the same, and the device can automatically adjust the height of the driving box in real time no matter whether the surface of the workpiece is flat or not.

Description

Automatic adjusting mechanism of polishing machine

Technical Field

The utility model relates to the technical field of polishing machines, in particular to an automatic adjusting mechanism of a polishing machine.

Background

The full-automatic surface polishing machine can realize full-automatic surface polishing treatment, is suitable for small workpieces, and metal workpieces are full-automatic in surface gloss polishing and burr removing.

However, when the existing polishing machine is used, when workpieces with different thicknesses are polished, the height of the polishing wheel needs to be manually adjusted every time, so that the polishing paper on the surface of the polishing wheel is just attached to the surface of the workpiece, and automatic adjustment cannot be realized in the polishing process, so that the effect is poor when the workpiece with an insufficiently smooth surface is processed, and the surface tension of the polishing paper is slightly changed in the using process, and finally the polishing paper is loosened, so that the utility model provides the automatic adjusting mechanism of the polishing machine.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides an automatic adjusting mechanism of a polishing machine.

In order to achieve the purpose, the utility model adopts the following technical scheme: an automatic adjusting mechanism of a polishing machine comprises a base plate, wherein a vertical plate is fixed on one side of the upper surface of the base plate, a driving box is arranged on one side of the vertical plate, a groove is formed in one side, close to the driving box, of the vertical plate, a sliding block is connected to the inside of the groove in a sliding mode, the driving box is fixedly connected with the outer side wall of the sliding block, a PLC (programmable logic controller) is arranged on one side, away from the driving box, of the vertical plate, a driving motor is fixed at the top end of the inside of the driving box, a driving shaft is fixed at the driving end of the driving motor, the other end of the driving shaft penetrates through the side wall of the driving box to extend to the outside of the driving box and is fixedly connected with a driving wheel, a mounting hole is formed in the inner side wall of the driving box, a first strip-shaped opening is formed in one side, away from the mounting hole, the other end of the sensing shaft penetrates through the first strip-shaped opening, a driven wheel is connected with a driven wheel in a rotating mode, and polishing paper is sleeved on the surface of the driven wheel and the driving wheel, drive incasement lateral wall bottom is equipped with second pressure sensor, drive incasement lateral wall middle part is fixed with the cylinder, the flexible end cover of cylinder has connect the connecting block, be equipped with first pressure sensor between the flexible end of cylinder and the connecting block inside wall, connecting block lateral wall fixedly connected with regulating spindle, second bar mouth has been seted up at drive incasement lateral wall middle part, the one end that the connecting block was kept away from to the regulating spindle passes second bar mouth and swivelling joint has the regulating wheel.

Further, the inside perpendicular rotation of recess is connected with the lead screw, and the lead screw runs through the slider and is connected with slider screw thread rotation, riser top fixedly connected with servo motor, and the lead screw top passes recess roof and servo motor drive end fixed connection, is convenient for drive the lead screw through servo motor and rotates for the drive box can reciprocate, and then adjusts the pressure from the driving wheel and polishing paper and workpiece surface of drive box one side.

Furthermore, second pressure sensor and induction shaft upper surface laminating, second pressure sensor and servo motor all with PLC controller electric connection to can be through the pressure of second pressure sensor real-time supervision follow driving wheel and polishing paper and workpiece surface, the PLC controller of being convenient for in time controls servo motor and rotates, makes the pressure from driving wheel and polishing paper and workpiece surface keep unchangeable.

Furthermore, the regulating wheel is located the action wheel and follows between the driving wheel, and the regulating wheel surface and the laminating of polishing paper inside wall to can strut polishing paper through the regulating wheel, prevent that polishing paper is not hard up.

Furthermore, first pressure sensor and cylinder all with PLC controller electric connection to can be through the flexible pressure between the end of first pressure sensor real-time supervision regulating spindle and cylinder, this pressure is the tension on polished paper surface promptly, and then the PLC controller of being convenient for can real-time control cylinder stretch or contract, let the tension on polished paper surface keep unchangeable.

Furthermore, spring telescopic rods are fixed on two sides of the outer side wall of the driving box, the bottom ends of the spring telescopic rods are connected with connecting rods, the other ends of the connecting rods are rotatably connected with pinch rollers, and when the driving box descends, the pinch rollers can assist and fix workpieces.

Furthermore, the riser lateral wall is located PLC controller top and is equipped with control panel, is convenient for set up the appointed value that first pressure sensor and second pressure sensor need reach in the polishing process through control panel.

The utility model has the beneficial effects that:

1. when the polishing machine is used, the bottom plate, the vertical plate, the driving box, the sliding block, the screw rod, the servo motor, the PLC controller and the second pressure sensor are arranged, so that when the polishing machine polishes a workpiece, the screw rod can be driven by the servo motor to rotate, the driving box can move up and down freely, after the bottom of polishing paper on one side of the driving box is contacted with the surface of the workpiece, the second pressure sensor can bear the pressure on the sensing shaft, the servo motor is controlled by the PLC controller to rotate positively and reversely in real time, the driving box can continuously bounce up and down, and the pressure value of the sensing shaft acting on the second pressure sensor is kept unchanged, so that the pressure of the driven wheel and the polishing paper on any position of the workpiece is ensured to be the same, and the device can automatically adjust the height of the driving box in real time no matter whether the surface of the workpiece is flat or not.

2. When the polishing machine is used, the air cylinder, the connecting block, the first pressure sensor, the adjusting shaft and the adjusting wheel are arranged, so that the polishing paper sleeved on the surfaces of the driving wheel and the driven wheel is loosened after the polishing machine is used for a long time, the pressure between the adjusting shaft and the telescopic end of the air cylinder can be monitored through the first pressure sensor, and the air cylinder is controlled to extend or retract through the PLC controller, so that the pressure between the adjusting shaft and the telescopic end of the air cylinder is ensured to be unchanged, the surface tension of the polishing paper is ensured to be unchanged, and the polishing paper is prevented from being loosened.

Drawings

FIG. 1 is a side cross-sectional view of the present invention;

FIG. 2 is a perspective view of the drive housing of the present invention;

FIG. 3 is a cross-sectional view of the drive housing of the present invention;

fig. 4 is an enlarged view of the utility model at a.

Illustration of the drawings:

1. a base plate; 2. a vertical plate; 201. a groove; 202. a control panel; 203. a PLC controller; 3. a drive box; 301. mounting holes; 302. a first bar-shaped opening; 303. a second strip port; 4. a slider; 5. a screw rod; 6. a servo motor; 7. a drive motor; 8. a drive shaft; 9. a driving wheel; 10. an induction shaft; 11. a driven wheel; 12. polishing the paper; 13. a cylinder; 14. connecting blocks; 15. a first pressure sensor; 16. an adjustment shaft; 17. an adjustment wheel; 18. a second pressure sensor; 19. a spring telescopic rod; 20. a connecting rod; 21. and (4) pressing the wheel.

Detailed Description

As shown in figures 1-4, relates to an automatic adjusting mechanism of a polishing machine, which comprises a bottom plate 1, wherein a vertical plate 2 is fixed on one side of the upper surface of the bottom plate 1, a driving box 3 is arranged on one side of the vertical plate 2, a groove 201 is arranged on one side of the vertical plate 2 close to the driving box 3, a sliding block 4 is connected in the groove 201 in a sliding manner, the driving box 3 is fixedly connected with the outer side wall of the sliding block 4, a PLC controller 203 is arranged on one side of the vertical plate 2 far away from the driving box 3, a driving motor 7 is fixed on the top end of the inside of the driving box 3, a driving shaft 8 is fixed on the driving end of the driving motor 7, the other end of the driving shaft 8 passes through the side wall of the driving box 3 and extends to the outside of the driving box 3 and is fixedly connected with a driving wheel 9, a mounting hole 301 is arranged on the inner side wall of the driving box 3, a first strip-shaped opening 302 is arranged on one side of the side wall of the driving box 3 far away from the mounting hole 301, an induction shaft 10 is connected with an induction shaft 10, and the surface is rotatably connected with a driven wheel 11, from driving wheel 11 and the common cover in action wheel 9 surface have

polishing paper

12, 3 inside wall bottom of drive case is equipped with

second pressure sensor

18, 3 inside wall middle parts of drive case are fixed with cylinder 13, connecting block 14 has been cup jointed to the flexible end of cylinder 13, be equipped with first pressure sensor 15 between the flexible end of cylinder 13 and the 14 inside walls of connecting block, 14 outside wall fixedly connected with regulating spindle 16 of connecting block, second bar mouth 303 has been seted up at 3 lateral wall middle parts of drive case, regulating spindle 16 keeps away from the one end of connecting block 14 and passes second bar mouth 303 and rotate and be connected with regulating wheel 17. The second pressure sensor 18 is attached to the upper surface of the sensing shaft 10, and both the second pressure sensor 18 and the servo motor 6 are electrically connected to the PLC controller 203. The first pressure sensor 15 and the air cylinder 13 are electrically connected with the PLC controller 203.

As shown in FIG. 1, a screw rod 5 is vertically and rotatably connected inside the groove 201, the screw rod 5 penetrates through the slider 4 and is rotatably connected with the slider 4 in a threaded manner, a servo motor 6 is fixedly connected to the top end of the vertical plate 2, and the top end of the screw rod 5 penetrates through the top wall of the groove 201 and is fixedly connected with a driving end of the servo motor 6. The outer side wall of the vertical plate 2 is provided with a control panel 202 above the PLC 203.

As shown in fig. 1 and 2, the adjusting wheel 17 is located between the driving wheel 9 and the driven wheel 11, and the surface of the adjusting wheel 17 is attached to the inner side wall of the polishing paper 12.

As shown in FIG. 3, both sides of the outer side wall of the driving box 3 are fixed with spring telescopic rods 19, the bottom ends of the spring telescopic rods 19 are connected with connecting rods 20, and the other ends of the connecting rods 20 are rotatably connected with pressing wheels 21.

When in use: according to the thickness or the height of a workpiece to be polished, a height or a thickness value is input in the control panel 202, values which need to be kept in the machining process of the first pressure sensor 15 and the second pressure sensor 18 are set at the same time, then the servo motor 6 is started to drive the screw rod 5 to rotate, so that the slide block 4 drives the driving box 3 to move up or down on one side of the vertical plate 2, and the position of the driving box 3 is an initial position at the moment. Then the driving motor 7 is started to drive the driving shaft 8 and the driving wheel 9 to rotate, further the driven wheel 11 and the polishing paper 12 are driven to rotate, then a workpiece to be polished is placed on the surface of the base plate 1, and the workpiece is pushed to pass below the driven wheel 11 and the polishing paper 12 (at the moment, the pressure wheel 21 connected with the bottom end of the spring telescopic rod 19 extrudes and assists in fixing the workpiece to prevent the workpiece from tilting when passing below the driven wheel 11), when the workpiece slowly passes below the driven wheel 11 and is polished, the driven wheel 11 generates a certain pressure on the surface of the workpiece, the induction shaft 10 generates an acting force upwards on the second pressure sensor 18, the pressure is monitored by the second pressure sensor 18 in real time, when the pressure value is different from the set value, the PLC 203 controls the servo motor 6 to rotate forwards or backwards in a small amplitude, so as to adjust the driving box 3 to move upwards and downwards in a small amplitude, and ensure that the pressure of the induction shaft 10 and the driven wheel 11 on the surface of the workpiece is unchanged, therefore, the driven wheel 11 and the polishing paper 12 can be perfectly attached to the surface of the workpiece no matter whether the surface of the workpiece is flat or not. In the polishing process, the polishing paper 12 generates a certain pressure on the adjusting wheel 17, the adjusting shaft 16 generates a certain acting force on the first pressure sensor 15, the pressure value is monitored by the first pressure sensor 15 in real time, and when the pressure value changes, the PLC controller 203 controls the cylinder 13 to extend or retract, so that the pressure value keeps a set value unchanged, the tension on the surface of the polishing paper 12 is ensured to be unchanged, and the polishing paper 12 cannot loosen in the polishing process.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides an automatic guiding mechanism of burnishing machine, includes bottom plate (1), its characterized in that: a vertical plate (2) is fixed on one side of the upper surface of the bottom plate (1), a driving box (3) is arranged on one side of the vertical plate (2), a groove (201) is formed in one side, close to the driving box (3), of the vertical plate (2), a sliding block (4) is connected to the inside of the groove (201) in a sliding mode, the driving box (3) is fixedly connected with the outer side wall of the sliding block (4), a PLC (programmable logic controller) (203) is arranged on one side, away from the driving box (3), of the vertical plate (2), a driving motor (7) is fixed to the top end of the inside of the driving box (3), a driving shaft (8) is fixed to the driving end of the driving motor (7), the other end of the driving shaft (8) penetrates through the side wall of the driving box (3) to extend to the outside of the driving box (3) and is fixedly connected with a driving wheel (9), a mounting hole (301) is formed in the inner side wall of the driving box (3), and a first strip-shaped opening (302) is formed in one side, away from the mounting hole (301), an induction shaft (10) is connected inside the mounting hole (301), the other end of the induction shaft (10) penetrates through the first strip-shaped opening (302) and is rotatably connected with a driven wheel (11) on the surface, the surfaces of the driven wheel (11) and the driving wheel (9) are sleeved with polishing paper (12), the bottom end of the inner side wall of the driving box (3) is provided with a second pressure sensor (18), an air cylinder (13) is fixed in the middle of the inner side wall of the driving box (3), a connecting block (14) is sleeved at the telescopic end of the air cylinder (13), a first pressure sensor (15) is arranged between the telescopic end of the cylinder (13) and the inner side wall of the connecting block (14), the outer side wall of the connecting block (14) is fixedly connected with an adjusting shaft (16), the middle part of the side wall of the driving box (3) is provided with a second strip-shaped opening (303), one end of the adjusting shaft (16) far away from the connecting block (14) penetrates through the second strip-shaped opening (303) and is rotatably connected with an adjusting wheel (17).

2. The automatic adjusting mechanism of a polishing machine according to claim 1, wherein: the groove is characterized in that a lead screw (5) is vertically and rotatably connected to the inside of the groove (201), the lead screw (5) penetrates through a sliding block (4) and is rotatably connected with the sliding block (4) in a threaded mode, a servo motor (6) is fixedly connected to the top end of a vertical plate (2), and the top end of the lead screw (5) penetrates through the top wall of the groove (201) and is fixedly connected with the driving end of the servo motor (6).

3. The automatic adjusting mechanism of a polishing machine according to claim 1, wherein: the second pressure sensor (18) is attached to the upper surface of the induction shaft (10), and the second pressure sensor (18) and the servo motor (6) are both electrically connected with the PLC (203).

4. The automatic adjusting mechanism of a polishing machine according to claim 1, wherein: the adjusting wheel (17) is positioned between the driving wheel (9) and the driven wheel (11), and the surface of the adjusting wheel (17) is attached to the inner side wall of the polishing paper (12).

5. The automatic adjusting mechanism of a polishing machine according to claim 1, wherein: the first pressure sensor (15) and the air cylinder (13) are electrically connected with the PLC (203).

6. The automatic adjusting mechanism of a polishing machine according to claim 1, wherein: the outer side wall of the driving box (3) is fixed with spring telescopic rods (19) on two sides, the bottom ends of the spring telescopic rods (19) are connected with connecting rods (20), and the other ends of the connecting rods (20) are rotatably connected with pinch rollers (21).

7. The automatic adjusting mechanism of a polishing machine according to claim 1, wherein: the outer side wall of the vertical plate (2) is arranged above the PLC (203) and is provided with a control panel (202).