Elastic pressing mechanism for grinding disc

Abstract

The utility model relates to the technical field of metal surface treatment, and discloses a grinding disc elastic pressing mechanism which comprises a connecting base, a lifting power device is fixedly arranged on the connecting base, a pressing plate is fixedly arranged at the shaft end of the lifting power device, a grinding disc assembly is arranged on the lower side of the pressing plate, and a plurality of guide rods penetrating through the pressing plate in a sliding mode are fixedly arranged on the grinding disc assembly. A limiting ring is fixedly arranged at the upper end of the guide rod, and an elastic piece is arranged between the grinding disc assembly and the pressing plate. The grinding machine has the advantages of being stable in pressure and smooth in movement in the workpiece grinding process.

Description

Technical Field

[0001] The utility model relates to the technical field of grinding equipment, in particular to an elastic pressing mechanism for a grinding disc. Background Art

[0002] After machining, many metal sheets fail to meet surface roughness requirements, requiring subsequent grinding to achieve the desired surface finish. Some grinding machines utilize two sets of opposing grinding discs, which clamp the workpiece. The workpiece or the grinding discs move and slurry is used to grind the workpiece. Current grinding discs typically rigidly press directly onto the workpiece, creating unstable pressure on the workpiece, which in turn affects the stability of the workpiece's movement and, ultimately, the grinding effect. Utility Model Content

[0003] In order to solve the above problems existing in the prior art, the utility model provides an elastic pressing mechanism for a grinding disc with stable pressure and smooth movement during the grinding of a workpiece.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A grinding disc elastic clamping mechanism includes a connecting seat, a lifting power is fixed on the connecting seat, a pressure plate is fixed on the shaft end of the lifting power, a grinding disc assembly is provided on the lower side of the pressure plate, a plurality of guide rods sliding through the pressure plate are fixed on the grinding disc assembly, a limiting ring is fixed on the upper end of the guide rod, and an elastic member is provided between the grinding disc assembly and the pressure plate.

[0006] Preferably, the grinding disc assembly includes a grinding disc and a connecting plate, the grinding disc is fixed to the lower side of the connecting plate, and the guide rod is fixed to the connecting plate; the elastic member is configured as a plurality of first compression springs sleeved on the guide rod.

[0007] Preferably, the lifting power is configured as an electric cylinder or an oil cylinder, a pressure sensor is provided at the center of the lower side surface of the pressure plate, a second compression spring is provided at the center of the connecting plate, and the upper end of the second compression spring abuts against the pressure-bearing surface of the pressure sensor.

[0008] Preferably, the upper end of the guide rod slides through the connecting seat, a medium channel is provided in the guide rod, an annular tube is provided at the upper end of the guide rod, an interface for connecting to an external grinding liquid pipeline is provided on the annular tube, and the upper end of the medium channel in each guide rod is connected to the annular tube;

[0009] A central cavity is provided at the center of the lower side of the connecting plate, and a central through hole is provided at the center of the grinding disc corresponding to the central cavity; a plurality of guide channels connecting the medium channel and the central cavity are provided in the connecting plate.

[0010] Preferably, the lower side surface of the connecting plate is provided with an annular groove on the outside of the central concave cavity, the opening of the annular groove is closed by the grinding disk, the guide channel is connected to the annular groove, and the side wall of the central concave cavity is provided with a plurality of liquid outlet holes evenly distributed along the circumference and connected to the annular groove.

[0011] Preferably, a plurality of drainage microgrooves radially distributed along the circumference are provided on the lower grinding surface of the grinding disc.

[0012] Preferably, the grinding surface of the grinding disc is provided with a plurality of annular microgrooves distributed in concentric circles and penetrating the drainage microgrooves.

[0013] Therefore, the utility model has the following beneficial effects: (1) the grinding disc acts elastically on the workpiece, the pressure is stable, and the workpiece moves smoothly and is not easily stuck during the grinding process; (2) the pressure can be adjusted according to the grinding requirements, which is more convenient to use; (3) the grinding process is summarized, the grinding liquid is supplied more evenly, and the grinding effect is further improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a structural diagram of the present utility model.

[0015] Figure 2 for Figure 1 sectional view of .

[0016] Figure 3 for Figure 1 Partial exploded view.

[0017] Figure 4 Schematic diagram of the connection status of the medium channel and the guide channel inside the guide rod.

[0018] Figure 5 This is a schematic diagram of the use state of the utility model. DETAILED DESCRIPTION

[0019] In order to make the technical problems, technical solutions and beneficial technical effects to be solved by the present invention more clearly understood, the present invention will be further described in detail below with reference to the accompanying drawings and multiple exemplary embodiments. It should be understood that the specific embodiments described herein are only intended to explain the present invention and are not intended to limit the scope of protection of the present invention.

[0020] It should be understood that, in this document, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance, nor as implicitly specifying the quantity of the technical features being referenced. A feature specified as "first" or "second" may explicitly or implicitly indicate that at least one of the features is included.

[0021] like Figure 1-Figure 4The illustrated embodiment of a grinding disc elastic clamping mechanism includes a connecting base 10, a lifting power 20 fixed to the connecting base, a pressure plate 30 fixed to the shaft end of the lifting power 20, a grinding disc assembly 40 disposed on the underside of the pressure plate, a plurality of guide rods 50 fixed to the grinding disc assembly that slide through the pressure plate, a retaining ring 51 fixed to the upper end of the guide rods, and an elastic member 60 disposed between the grinding disc assembly and the pressure plate. The grinding disc assembly 40 includes a grinding disc 41 and a connecting plate 42. The grinding disc is fixed to the underside of the connecting plate, and the guide rods are fixed to the connecting plate. The elastic member 60 is configured as a plurality of first compression springs sleeved on the guide rods.

[0022] The lifting power 20 is configured as an electric cylinder or an oil cylinder. A pressure sensor 31 is provided at the center of the lower side of the pressure plate 30, and a second compression spring 32 is provided at the center of the connecting plate. The upper end of the second compression spring abuts against the pressure-bearing surface of the pressure sensor.

[0023] The upper end of the guide rod 50 slides through the connecting seat 10. A sliding bearing 11 is provided between the connecting seat 10 and the guide rod. A medium channel 500 is provided in the guide rod 50. The upper end of the guide rod is provided with an annular tube 70. The annular tube is provided with an interface 71 connected to the external grinding liquid pipeline. The upper end of the medium channel in each guide rod 50 is connected to the annular tube; a central concave cavity 420 is provided in the center of the lower side surface of the connecting plate 42, and a central through hole 410 is provided at the center of the grinding disc 41 corresponding to the central concave cavity; a plurality of guide channels 421 connecting the medium channel and the central concave cavity are provided in the connecting plate 42.

[0024] like Figure 3 and Figure 4 As shown, the lower side surface of the connecting plate 42 is located on the outside of the central concave cavity and is provided with an annular groove 422, the opening of the annular groove 422 is closed by the grinding disk, the guide channel 421 is connected to the annular groove, and the side wall of the central concave cavity 420 is provided with a plurality of liquid outlet holes 423 evenly distributed along the circumference and connected to the annular groove.

[0025] The lower grinding surface of the grinding disc 41 is provided with a plurality of drainage micro grooves 411 distributed radially along the circumference; the grinding surface of the grinding disc is provided with a plurality of annular micro grooves 412 distributed in concentric circles and penetrating the drainage micro grooves.

[0026] In conjunction with the accompanying drawings, the principle of the present utility model is as follows: Figure 5As shown, the workpiece 90 is set in the grinding groove 80, and the planetary gear mechanism in the grinding groove drives the workpiece to move in the grinding groove; the lifting power drives the grinding disc assembly to descend, and the grinding disc elastically presses on the surface of the workpiece. The grinding liquid enters the annular tube 70 from the interface 71, and enters the annular groove 422 along the medium channel 500 and the guide channel 421. Finally, it evenly enters the middle area of ​​the grinding disc from the liquid outlet 423, and finally enters the drainage microgrooves and annular microgrooves to grind the workpiece. In this structure, the grinding disc elastically presses on the surface of the workpiece, and the workpiece is elastically positioned and will not be crushed. The workpiece can move smoothly during the grinding process, and the grinding is more uniform. The grinding liquid is evenly supplied during grinding, and the grinding effect is better.

[0027] In the description of the present invention, it should be understood that the directions or positional relationships indicated by up, down, left, right, inner end, outer end, one end, the other end, etc. are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the purpose of more clearly describing the technical solution of the present invention, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific orientation, and cannot be understood as a limitation on the present invention.

[0028] Although specific embodiments of the present invention are described in detail herein, they are provided for illustrative purposes only and should not be considered to limit the scope of the present invention. Various substitutions, changes, and modifications may be conceived without departing from the spirit and scope of the present invention.

Claims

1. A grinding disc elastic pressing mechanism, including a connecting seat, characterized in that: The connecting seat is fixed with a lifting power, the shaft end of the lifting power is fixed with a pressure plate, the lower side of the pressure plate is provided with a grinding disc assembly, the grinding disc assembly is fixed with a plurality of guide rods sliding through the pressure plate, the upper end of the guide rod is fixed with a limit ring, and an elastic member is provided between the grinding disc assembly and the pressure plate; The grinding disc assembly includes a grinding disc and a connecting plate. The grinding disc is fixed to the lower side of the connecting plate, and the guide rod is fixed to the connecting plate. The elastic member is configured as a plurality of first compression springs sleeved on the guide rod. The lifting power is configured as an electric cylinder or an oil cylinder, a pressure sensor is provided at the center of the lower side of the pressure plate, a second compression spring is provided at the center of the connecting plate, and the upper end of the second compression spring abuts against the pressure-bearing surface of the pressure sensor.

2. The elastic pressing mechanism for the grinding disc according to claim 1, characterized in that: The upper end of the guide rod slides through the connecting seat, a medium channel is provided in the guide rod, an annular tube is provided at the upper end of the guide rod, and an interface for connecting to an external grinding liquid pipeline is provided on the annular tube, and the upper end of the medium channel in each guide rod is connected to the annular tube; A central cavity is provided at the center of the lower side of the connecting plate, and a central through hole is provided at the center of the grinding disc corresponding to the central cavity; a plurality of guide channels connecting the medium channel and the central cavity are provided in the connecting plate.

3. The elastic pressing mechanism for the grinding disc according to claim 2, characterized in that: The lower side of the connecting plate is located outside the central concave cavity and is provided with an annular groove, the opening of the annular groove is closed by the grinding disk, the guide channel is connected to the annular groove, and the side wall of the central concave cavity is provided with a plurality of liquid outlet holes evenly distributed along the circumference and connected to the annular groove.

4. The elastic pressing mechanism for the grinding disc according to claim 3, characterized in that: A plurality of drainage micro grooves are arranged on the lower grinding surface of the grinding disc and are radially distributed along the circumference.

5. The elastic pressing mechanism for the grinding disc according to claim 4, characterized in that: The grinding surface of the grinding disc is provided with a plurality of annular microgrooves which are distributed in concentric circles and penetrate the drainage microgrooves.

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