Precise grinding numerical control grinding machine

Abstract

The utility model discloses a precision polishing numerical control grinding machine which comprises a bottom supporting plate, a clamp mechanism is installed at the left end of the bottom supporting plate, a polishing mechanism is connected to the bottom supporting plate in a sliding mode, the polishing mechanism comprises a support, a rotating shaft is connected to the support in a rotating mode through a bearing, and a rotating disc is fixedly installed at the tail end of the rotating shaft. A rotary disc is arranged on the support, a plurality of grinding assemblies are annularly installed on the rotary disc at equal intervals, a gear is fixedly installed at the tail end of the rotary shaft, the gear is connected with a rack in an engaged mode, and an electric push rod is installed between the top end of the rack and the support. Accordingly, the corresponding grinding assemblies can be aligned with the workpieces, and the grinding rods can be replaced conveniently; and when the electric push rod stops working, the rotating disc is kept stable, and therefore the grinding effect can be guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of grinding machines, in particular to a precision grinding CNC grinding machine. Background Art

[0002] The Chinese utility model patent with publication number CN219485230U discloses a precision grinding CNC grinding machine, including a base, a conductive electromagnet and a dust collection frame. A slide rail is installed on the top of the base, and conductive electromagnets are installed at both ends of the slide rail. A fixed slide is provided on the outer wall of the slide rail, and a secondary winding of a linear motor is installed on the bottom end of the fixed slide. A support frame is installed on the top of the fixed slide, and a housing is installed on the top end of the support frame. A first motor is installed on one end of the housing through a bearing, and a rotating shaft is installed on the output end of the first motor through a coupling. A turntable is installed on the outer wall of the rotating shaft, and a plurality of second motors are installed on one end of the turntable. The output ends of the second motors are connected to the rotating shaft. A rotating rod is installed through a coupling, a mounting frame is installed on one side of the turntable, and a dust collection frame is installed on the outer wall of the mounting frame, a fixing clamp is installed on one side of the base, and a fixing component for clamping is provided inside the fixing clamp; the outer wall of the secondary winding of the linear motor forms electromagnetic induction with the interior of the conductive electromagnet; the fixing component includes a thread groove and a screw clamping frame, a plurality of thread grooves are opened inside the fixing clamp, and a screw clamping frame is provided inside the thread groove; a bearing workpiece is provided at one end of the screw clamping frame, and the outer wall of the bearing workpiece is in contact with the outer wall of the screw clamping frame; a suction fan is provided inside the dust collection frame, and the output end of the suction fan is connected to the outer wall of the dust collection frame.

[0003] The above patent has the following deficiencies:

[0004] The turntable is driven to rotate by the first motor, so that the corresponding rotating rod on the turntable is facing the workpiece clamped by the fixture. However, since the rotating shaft of the motor will rotate when subjected to force, when the first motor drives the turntable to rotate, when the rotating rod contacts and grinds the workpiece, the rotating rod is subjected to force, which will cause the rotating rod to be unstable, and therefore grinding cannot be achieved stably and reliably. Utility Model Content

[0005] In view of the problems existing in the existing precision grinding CNC grinding machine, the present utility model is proposed.

[0006] Therefore, the purpose of the present utility model is to provide a precision grinding CNC grinding machine, which solves the problem in the above-mentioned patent that the turntable is driven to rotate by a first motor, so that the corresponding rotating rod on the turntable is facing the workpiece clamped by the fixture. However, since the rotating shaft of the motor will rotate when subjected to force, when the first motor drives the turntable to rotate, when the rotating rod contacts and grinds the workpiece, the rotating rod is subjected to force, which will cause the rotating rod to be unstable, and therefore the grinding cannot be achieved stably and reliably.

[0007] In order to solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

[0008] A precision grinding CNC grinding machine includes a bottom support plate, a clamp mechanism is installed at the left end of the bottom support plate, a grinding mechanism is slidably connected to the bottom support plate, the grinding mechanism includes a bracket, a rotating shaft is rotatably connected to the bracket through a bearing, a turntable is fixedly installed at the end of the rotating shaft, a plurality of grinding assemblies are installed at equal distances on the turntable, a gear is fixedly installed at the end of the rotating shaft, the gear is meshed with a rack, and an electric push rod is installed between the top of the rack and the bracket.

[0009] As a preferred solution of the precision grinding CNC grinding machine described in the utility model, wherein: the bracket is integrally provided with a stabilizing plate, and the stabilizing plate is slidably connected to the electric push rod.

[0010] As a preferred solution of the precision grinding CNC grinding machine described in the utility model, wherein: a first support connecting seat is welded on the bracket, an electric push rod is inserted into the inner wall of the first support connecting seat, and the electric push rod and the first support connecting seat are fixed by bolts;

[0011] A second supporting connection seat is welded to the top end of the rack, the bottom end of the electric push rod is inserted into the second supporting connection seat, and the second supporting connection seat and the electric push rod are fixed by bolts.

[0012] As a preferred solution of a precision grinding CNC grinding machine described in the utility model, wherein: the clamp mechanism includes a support column welded to the bottom support plate, a clamp seat is welded on the support column, U-shaped brackets are welded on the upper and lower ends of the clamp seat, a fastening screw is threadedly connected to the U-shaped bracket, the end of the fastening screw is fixedly connected to the clamping plate, and a through hole for the clamping plate to enter is opened on the clamp seat.

[0013] As a preferred solution of a precision grinding CNC grinding machine described in the utility model, wherein: a guide rail is fixedly installed on the bottom support plate, a slider is slidably connected to the guide rail, the bottom end of the bracket is fixedly connected to the slider, and an electric push rod is installed between the slider and the bottom support plate.

[0014] As a preferred solution of the precision grinding CNC grinding machine described in the utility model, wherein: a fixing block is welded on the bottom support plate, a third support connecting seat is welded on the fixing block, an electric push rod is inserted into the inner wall of the third support connecting seat, and the electric push rod and the third support connecting seat are fixed by bolts;

[0015] A fourth support connecting seat is welded on the sliding block, an electric push rod is inserted into the inner wall of the fourth support connecting seat, and the electric push rod and the fourth support connecting seat are fixed by bolts.

[0016] As a preferred solution of the precision grinding CNC grinding machine described in the utility model, the grinding assembly includes a motor fixedly mounted on a turntable, and the output shaft of the motor is connected to the grinding rod via a coupling.

[0017] Compared with existing technologies:

[0018] By setting an electric push rod to drive the rack to rise and fall, the shaft is driven to rotate, thereby rotating the turntable, so that the corresponding grinding component can be aligned with the workpiece, making it easy to replace the grinding rod; and when the electric push rod stops working, the turntable remains stable, thereby ensuring the grinding effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A schematic diagram of the structure provided by the utility model;

[0020] Figure 2 A side view of the turntable provided by the utility model;

[0021] Figure 3 The utility model provides Figure 1 Enlarged view of point A in the middle;

[0022] Figure 4 This is a schematic diagram of the first support connecting seat provided by the utility model.

[0023] In the figure: bottom support plate 1, support column 2, guide rail 3, fixed block 4, third support connecting seat 5, electric push rod 6, fourth support connecting seat 7, gear 8, rack 9, rotating shaft 10, second support connecting seat 11, electric push rod 12, bracket 13, stabilizing plate 131, first support connecting seat 14, motor 15, turntable 16, grinding rod 17, clamp seat 18, clamping plate 19, U-shaped bracket 20, fastening screw 21. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solutions and advantages of the present invention more clear, the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

[0025] This utility model provides a precision grinding CNC grinding machine, please refer to Figure 1-4, including a bottom support plate 1, a clamp mechanism is installed at the left end of the bottom support plate 1, a grinding mechanism is slidably connected to the bottom support plate 1, and the grinding mechanism includes a bracket 13, a rotating shaft 10 is rotatably connected to the bracket 13 through a bearing, a turntable 16 is fixedly installed at the end of the rotating shaft 10, and a plurality of grinding components are installed on the turntable 16 at equal distances. A gear 8 is fixedly installed at the end of the rotating shaft 10, and the gear 8 is meshed with a rack 9. An electric push rod 12 is installed between the top of the rack 9 and the bracket 13. Specifically, a first support connecting seat 14 is welded on the bracket 13, and the first support The electric push rod 12 is inserted into the inner wall of the support connecting seat 14, and the electric push rod 12 and the first support connecting seat 14 are fixed by bolts; the top of the rack 9 is welded with a second support connecting seat 11, and the bottom end of the electric push rod 12 is inserted into the second support connecting seat 11, and the second support connecting seat 11 and the electric push rod 12 are fixed by bolts; the rack 9 is driven to rise and fall by the extension and contraction of the electric push rod 12, thereby driving the gear 8 to rotate, the gear 8 drives the rotating shaft 10 to rotate, and the rotating shaft 10 drives the turntable 16 to rotate. When the electric push rod 12 stops working, the turntable 16 can remain stable.

[0026] The bracket 13 is integrally provided with a stabilizing plate 131 . A through hole is defined in the stabilizing plate 131 for the electric push rod 12 to pass through. The stabilizing plate 131 is slidably connected to the electric push rod 12 .

[0027] The clamp mechanism includes a support column 2 welded to the bottom support plate 1, a clamp seat 18 is welded on the support column 2, U-shaped brackets 20 are welded at the upper and lower ends of the clamp seat 18, a fastening screw 21 is threadedly connected to the U-shaped bracket 20, and the end of the fastening screw 21 is fixedly connected to the clamping plate 19, and a through hole is opened on the clamp seat 18 for the clamping plate 19 to enter.

[0028] A guide rail 3 is fixedly installed on the bottom support plate 1, a slider is slidably connected to the guide rail 3, the bottom end of the bracket 13 is fixedly connected to the slider, and an electric push rod 6 is installed between the slider and the bottom support plate 1; the electric push rod 6 can be extended and retracted to drive the grinding mechanism to approach the workpiece clamped on the clamping mechanism.

[0029] A fixing block 4 is welded on the bottom support plate 1, and a third support connection seat 5 is welded on the fixing block 4. An electric push rod 6 is inserted into the inner wall of the third support connection seat 5, and the electric push rod 6 and the third support connection seat 5 are fixed by bolts;

[0030] A fourth support and connection seat 7 is welded on the slider, and the electric push rod 6 is inserted into the inner wall of the fourth support and connection seat 7. The electric push rod 6 and the fourth support and connection seat 7 are fixed by bolts.

[0031] The grinding assembly includes a motor 15 fixedly mounted on a turntable 16, and the output shaft of the motor 15 is connected to a grinding rod 17 via a coupling; during the rotation of the turntable 16, the grinding rods 17 in the multiple grinding assemblies alternately face the workpiece clamped by the clamping mechanism.

[0032] During use, the workpiece is inserted into the fixture seat 18, and the fastening screw 21 is tightened to drive the clamping plate 19 close to the workpiece and clamp the workpiece tightly;

[0033] The rack 9 is driven to rise and fall by the extension and retraction of the electric push rod 12, thereby driving the gear 8 to rotate, the gear 8 drives the rotating shaft 10 to rotate, and the rotating shaft 10 drives the turntable 16 to rotate until the corresponding grinding assembly is aligned with the workpiece; the electric push rod 6 extends to drive the grinding mechanism to move, so as to realize the grinding of the workpiece.

[0034] While the present invention has been described above with reference to specific embodiments, various modifications may be made and equivalent components may be substituted without departing from the scope of the present invention. In particular, as long as no structural conflicts exist, the various features of the embodiments disclosed herein may be combined with one another in any manner, and the omission of an exhaustive description of these combinations in this specification is solely for the sake of space and resource conservation. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions within the scope of the claims.

Claims

1. A precision grinding CNC grinding machine, comprising a bottom support plate (1), a clamping mechanism being installed at the left end of the bottom support plate (1), a grinding mechanism being slidably connected to the bottom support plate (1), the grinding mechanism comprising a bracket (13), a rotating shaft (10) being rotatably connected to the bracket (13) via a bearing, a turntable (16) being fixedly installed at the end of the rotating shaft (10), a plurality of grinding assemblies being equidistantly arranged on the turntable (16), and characterized in that: A gear (8) is fixedly mounted on the end of the rotating shaft (10), the gear (8) is meshedly connected with a rack (9), and an electric push rod (12) is mounted between the top end of the rack (9) and the bracket (13).

2. A precision grinding CNC grinding machine according to claim 1, characterized in that: The bracket (13) is integrally provided with a stabilizing plate (131), and the stabilizing plate (131) is slidably connected to the electric push rod (12).

3. A precision grinding CNC grinding machine according to claim 1 or 2, characterized in that: A first support connection seat (14) is welded to the bracket (13), an electric push rod (12) is inserted into the inner wall of the first support connection seat (14), and the electric push rod (12) and the first support connection seat (14) are fixed by bolts; A second support connection seat (11) is welded to the top end of the rack (9), the bottom end of the electric push rod (12) is inserted into the second support connection seat (11), and the second support connection seat (11) and the electric push rod (12) are fixed by bolts.

4. A precision grinding CNC grinding machine according to claim 1, characterized in that: The clamp mechanism comprises a support column (2) welded to a bottom support plate (1), a clamp seat (18) welded to the support column (2), U-shaped brackets (20) welded to the upper and lower ends of the clamp seat (18), a fastening screw (21) is threadedly connected to the U-shaped bracket (20), the end of the fastening screw (21) is fixedly connected to a clamping plate (19), and a through hole for the clamping plate (19) to enter is opened on the clamp seat (18).

5. A precision grinding CNC grinding machine according to claim 1, characterized in that: A guide rail (3) is fixedly mounted on the bottom support plate (1), a slider is slidably connected to the guide rail (3), the bottom end of the bracket (13) is fixedly connected to the slider, and an electric push rod (6) is mounted between the slider and the bottom support plate (1).

6. A precision grinding CNC grinding machine according to claim 5, characterized in that: A fixing block (4) is welded to the bottom support plate (1), a third support connection seat (5) is welded to the fixing block (4), an electric push rod (6) is plugged into the inner wall of the third support connection seat (5), and the electric push rod (6) and the third support connection seat (5) are fixed by bolts; A fourth support connection seat (7) is welded on the slider, an electric push rod (6) is inserted into the inner wall of the fourth support connection seat (7), and the electric push rod (6) and the fourth support connection seat (7) are fixed by bolts.

7. A precision grinding CNC grinding machine according to any one of claims 1 to 6, characterized in that: The grinding assembly comprises a motor (15) fixedly mounted on a turntable (16), and an output shaft of the motor (15) is connected to a grinding rod (17) via a coupling.

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