Surface grinding machine for machining fine workpiece

Abstract

The surface grinding machine comprises a grinding machine body, a lower grinding disc and an upper grinding disc which are used for grinding are arranged on the grinding machine body, the lower grinding disc is located below the upper grinding disc, the top of the upper grinding disc is fixedly connected with a fixing plate, and the top of the fixing plate is fixedly connected with three sliding rods. Three sliding rods are arranged on the upper millstone, one end of each sliding rod is fixedly connected with a fixing ring, the other end of each sliding rod is fixedly connected with a spring, and a first notch is formed in the top of the grinding machine. The upper grinding disc is matched with the lower grinding disc to flexibly clamp a workpiece to be machined, then the power mechanism is started to drive the lower grinding disc to rotate and revolve, and therefore the lower grinding disc is matched with the upper grinding disc to conduct irregular double-face grinding on the clamped workpiece, and then the grinding quality can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of grinding, in particular to a surface grinder for machining precision workpieces. Background Art

[0002] A grinding machine is a machine tool that uses grinding tools to grind the surface of workpieces. Most grinding machines use high-speed rotating grinding wheels for grinding, and a small number use other grinding tools such as oilstones and abrasive belts and free abrasives for processing.

[0003] However, the existing grinding machines have certain drawbacks. When the existing grinding machines grind workpieces, they mainly position and fix the workpieces to be processed, and use a high-speed rotating grinding disc to grind the fixed workpieces. When grinding in this way, the grinding disc can only grind the surface of the workpiece regularly. Regular rotating grinding will cause the grinding surface to be uneven, so there are certain drawbacks. Therefore, there is an urgent need for a surface grinder for machining precision workpieces to solve the above problems. Summary of the Utility Model

[0004] To solve the above problems, the utility model provides a surface grinder for machining precision workpieces, and the utility model is realized through the following technical solutions.

[0005] A surface grinder for machining precision workpieces includes a grinding machine. A lower grinding disc and an upper grinding disc for grinding are arranged on the grinding machine, and the lower grinding disc is located below the upper grinding disc. A fixing plate is fixedly connected to the top of the upper grinding disc, and three sliding rods are fixedly connected to the top of the fixing plate. One ends of the three sliding rods are fixedly connected together to form a fixing ring, and the other ends of the sliding rods are fixedly connected with springs. A first slot is opened at the top of the grinding machine, and an internal gear is fixedly connected to the inside of the first slot. A second slot is opened at the bottom of the grinding machine. The surface grinder further includes:

[0006] A power mechanism for driving the lower grinding disc to rotate and revolve;

[0007] A lifting mechanism for driving the upper grinding disc to lift.

[0008] Further, the power mechanism includes a first servo motor fixedly connected to the inside of the second slot. A shaft rod is fixedly connected to the output shaft of the first servo motor. One end of the shaft rod extending into the first slot is fixedly connected with a centrifugal turntable. One end of the top of the centrifugal turntable is rotatably connected with a rotating rod, and one end of the rotating rod is fixedly connected to the lower grinding disc.

[0009] Further, the rotating rod penetrates through the inside of the internal gear, and an external gear fixed on the rotating rod is meshed with the internal gear.

[0010] Further, the lifting mechanism includes a column and a second servo motor. The column is fixedly connected to the top of the grinding machine. One end of the column is movably connected to a T-shaped movable seat. One side of the T-shaped movable seat is fixedly connected to a suspension rod, and one end of the suspension rod is fixedly connected to a suspension seat.

[0011] Further, the suspension seat is movably connected to three sliding rods, and the spring is fixedly connected to the suspension seat. The suspension rod is movably and penetratingly connected to the fixed ring.

[0012] Further, the second servo motor is fixedly connected to the other end of the column. The output shaft of the second servo motor is fixedly connected to a lead screw, and the lead screw penetrates and is in threaded cooperation with the T-shaped movable seat.

[0013] The beneficial effect of the present utility model is that during the working process of the device, first, the workpiece is placed into the lower grinding disc, and then the upper grinding disc is driven to descend by the lifting mechanism. The upper grinding disc cooperates with the lower grinding disc to be able to flexibly clamp the workpiece to be processed. Then, by turning on the power mechanism to drive the lower grinding disc to rotate and revolve, the lower grinding disc cooperates with the upper grinding disc to be able to perform irregular double-sided grinding on the clamped workpiece, thereby improving the grinding quality. Description of the Drawings

[0014] In order to more clearly illustrate the technical solutions of the present utility model, the drawings required for use in the following description of the specific embodiments will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0015] Figure 1 : Structural schematic diagram of the surface grinding machine for processing precision workpieces of the present utility model;

[0016] Figure 2 : Cross-sectional view of the grinding machine of the present utility model;

[0017] Figure 3 : The present utility model Figure 2 Enlarged view of A in;

[0018] Figure 4 : Connection schematic diagram of the upper grinding disc and the suspension rod of the present utility model.

[0019] The reference numerals are as follows:

[0020] 1. Grinding machine; 11. First notch; 12. Second notch; 13. Internal gear;

[0021] 2. Lower grinding disc;

[0022] 3. Upper grinding disc;

[0023] 4. First servo motor; 41. Shaft rod; 42. Centrifugal turntable; 43. Rotating rod; 44. External gear;

[0024] 5. Fixed plate; 51. Slide rod; 52. Fixed ring; 53. Spring;

[0025] 6. Column; 61. T-shaped movable seat; 62. Suspension rod; 63. Suspension seat;

[0026] 7. Second servo motor; 71. Lead screw. Detailed implementation manners

[0027] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

[0028] As Figures 1-4 shown, the present invention has the following specific embodiments.

[0029] Embodiment:

[0030] A surface grinder for machining precision workpieces includes a grinder 1, a lower grinding disc 2 and an upper grinding disc 3 for grinding are arranged on the grinder 1, and the lower grinding disc 2 is located below the upper grinding disc 3. The top of the upper grinding disc 3 is fixedly connected with a fixed plate 5. The top of the fixed plate 5 is fixedly connected with three slide rods 51. One ends of the three slide rods 51 are fixedly connected with a fixed ring 52 in common. The other ends of the slide rods 51 are fixedly connected with springs 53. A first notch 11 is opened at the top of the grinder 1, an internal gear 13 is fixedly connected inside the first notch 11, a second notch 12 is opened at the bottom of the grinder 1, and further includes:

[0031] A power mechanism for driving the lower grinding disc 2 to rotate and revolve;

[0032] A lifting mechanism for driving the upper grinding disc 3 to lift.

[0033] By adopting the above technical solutions, when using the device, first place the workpiece into the lower grinding disc 2, and then drive the upper grinding disc 3 to descend through the lifting mechanism. The upper grinding disc 3 cooperates with the lower grinding disc 2 to be able to flexibly clamp the workpiece to be processed. Then, by turning on the power mechanism to drive the lower grinding disc 2 to rotate and revolve, the lower grinding disc 2 cooperates with the upper grinding disc 3 to be able to perform irregular double-sided grinding on the clamped workpiece, thereby improving the grinding quality.

[0034] Specifically, the power mechanism includes a first servo motor 4. The first servo motor 4 is fixedly connected inside the second notch 12. A shaft rod 41 is fixedly connected to the output shaft of the first servo motor 4. One end of the shaft rod 41 extending into the first notch 11 is fixedly connected to a centrifugal turntable 42. One end at the top of the centrifugal turntable 42 is rotatably connected to a rotating rod 43. One end of the rotating rod 43 is fixedly connected to the lower grinding disc 2.

[0035] The rotating rod 43 is connected through the internal gear 13. An external gear 44 fixed on the rotating rod 43 is meshed with the internal gear 13.

[0036] By adopting the above technical solution, the provided power mechanism can drive the lower grinding disc 2 to rotate self and revolve, and then drive the workpiece placed inside the lower grinding disc 2 to be ground on both sides. That is, the provided first servo motor 4 can drive the shaft rod 41 to rotate. The shaft rod 41 can drive the connected centrifugal turntable 42 to rotate. The centrifugal turntable 42 can drive the rotating rod 43 to revolve. Since the external gear 44 is fixed on the rotating rod 43, and at the same time, the external gear 44 is meshed with the internal gear 13, and the rotating rod 43 rotates on the centrifugal turntable 42, the revolving rotating rod 43 can rotate self, and then drive the workpiece clamped between the lower grinding disc 2 and the upper grinding disc 3 to be evenly ground, which can improve the grinding quality.

[0037] Specifically, the lifting mechanism includes a column 6 and a second servo motor 7. The column 6 is fixedly connected to the top of the grinding machine 1. One end of the column 6 is movably connected to a T-shaped movable seat 61. One side of the T-shaped movable seat 61 is fixedly connected to a suspension rod 62. One end of the suspension rod 62 is fixedly connected to a suspension seat 63.

[0038] The suspension seat 63 is movably connected to three sliding rods 51, and a spring 53 is fixedly connected to the suspension seat 63. The suspension rod 62 is movably penetrated through a fixed ring 52.

[0039] The second servo motor 7 is fixedly connected to the other end of the column 6. A lead screw 71 is fixedly connected to the output shaft of the second servo motor 7. The lead screw 71 penetrates through and is in threaded cooperation with the T-shaped movable seat 61.

[0040] By adopting the above technical solution, the provided lifting mechanism can drive the upper grinding disc 3 to lift, so that the upper grinding disc 3 cooperates with the lower grinding disc 2 to flexibly clamp the workpiece to be processed. That is, by turning on the second servo motor 7, the lead screw 71 can be driven to rotate. The lead screw 71 can drive the T-shaped movable seat 61 in threaded engagement to move up and down on the column 6. The T-shaped movable seat 61 drives the connected hanging seat 63 to move up and down through the hanging rod 62. Since the fixing plate 5 is fixed on the upper grinding disc 3 and the sliding rod 51 is fixed on the fixing plate 5, and the hanging seat 63 can slide on the sliding rod 51. When the hanging seat 63 presses down on the workpiece, the hanging seat 63 presses on the fixing plate 5 through the spring 53, and the fixing plate 5 can press on the upper grinding disc 3. During the pressing, the spring 53 can have buffering properties, so that the upper grinding disc 3 can flexibly press the workpiece being processed.

[0041] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the present invention to the specific embodiments described. Obviously, according to the content of this specification, many modifications and changes can be made. These embodiments are selected and specifically described in this specification in order to better explain the principle and practical application of the present invention, so that those skilled in the relevant technical field can well understand and utilize the present invention. The present invention is only limited by the claims and their full scope and equivalents.

Claims

1. A surface grinder for machining a precision workpiece, comprising a grinder (1), characterized in that: The grinding machine (1) is provided with a lower grinding disc (2) and an upper grinding disc (3) for grinding, and the lower grinding disc (2) is located below the upper grinding disc (3); a fixing plate (5) is fixedly connected to the top of the upper grinding disc (3); three sliding rods (51) are fixedly connected to the top of the fixing plate (5); one end of the three sliding rods (51) is fixedly connected to a fixing ring (52); the other end of the sliding rod (51) is fixedly connected to a spring (53); a first notch (11) is provided on the top of the grinding machine (1); an internal gear (13) is fixedly connected inside the first notch (11); a second notch (12) is provided on the bottom of the grinding machine (1); and the grinding machine (1) further comprises: A power mechanism, the power mechanism being used to drive the lower grinding disc (2) to rotate and revolve; A lifting mechanism, wherein the lifting mechanism is used to drive the upper grinding disc (3) to rise and fall.

2. A surface grinder for machining fine workpieces according to claim 1, characterized in that: The power mechanism comprises a first servo motor (4), the first servo motor (4) being fixedly connected inside the second slot (12), the output shaft of the first servo motor (4) being fixedly connected to a shaft rod (41), one end of the shaft rod (41) extending inside the first slot (11) being fixedly connected to a centrifugal turntable (42), one end of the top of the centrifugal turntable (42) being rotatably connected to a rotating rod (43), one end of the rotating rod (43) being fixedly connected to the lower grinding disc (2).

3. A surface grinder for machining a fine workpiece according to claim 2, characterized in that: The rotating rod (43) penetrates and is connected to the interior of the internal gear (13); the external gear (44) fixed on the rotating rod (43) is meshedly connected to the internal gear (13).

4. A surface grinder for machining a fine workpiece according to claim 1, characterized in that: The lifting mechanism comprises a column (6) and a second servo motor (7); the column (6) is fixedly connected to the top of the grinding machine (1); one end of the column (6) is movably connected to a T-shaped movable seat (61); one side of the T-shaped movable seat (61) is fixedly connected to a suspension rod (62); and one end of the suspension rod (62) is fixedly connected to a suspension seat (63).

5. A surface grinder for machining a fine workpiece according to claim 4, characterized in that: The suspension seat (63) is movably connected to the three sliding rods (51), and the spring (53) is fixedly connected to the suspension seat (63), and the suspension rod (62) is movably connected to the fixing ring (52).

6. A surface grinder for machining a fine workpiece according to claim 5, characterized in that: The second servo motor (7) is fixedly connected to the other end of the column (6); the output shaft of the second servo motor (7) is fixedly connected to a screw rod (71); the screw rod (71) penetrates the T-shaped movable seat (61) and is threadedly engaged.

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