Polishing table of bench grinder

Abstract

The utility model discloses a grinding table of a bench grinding machine, which relates to the technical field of grinding machine grinding tables and comprises a grinding platform, a grinding machine mounting plate movably arranged at the top end of the grinding platform and a component clamping plate movably arranged at the top end of the grinding platform, and a rotating mechanism comprises a rotating column fixedly mounted in the center of the bottom end of the component clamping plate. The rotating column rotationally penetrates to the position below the grinding platform, a driving motor is fixedly installed at the bottom end of the grinding platform, and an output shaft of the driving motor is coaxially and fixedly connected with the rotating column. According to the device, the component clamping plate is arranged, the driving motor is started, the driving motor drives the component clamping plate to rotate through the rotating column, so that multiple edges of an object on the component clamping plate are ground, the multiple edges of the object are ground conveniently, when the component clamping plate rotates, the limiting ring rotates in the movable groove, and therefore the component clamping plate can be clamped conveniently. And meanwhile, the movable ball rotates in the movable groove, so that the stability and smoothness of the component clamping plate during rotation are guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to a grinding table of bench grinder technical field especially a grinding table of bench grinder. BACKGROUND

[0002] The grinder is used for grinding various cutters and tools, and is also used for grinding, deburring and cleaning of ordinary small parts. The grinder is a mechanical processing grinding tool, which is applied in many industries. In the mechanical processing process, the cutting tool is worn out and dull or damaged, and loses the cutting ability. Therefore, the cutting tool must be sharpened on the grinding wheel to restore its cutting ability. The grinder can be divided into a handheld grinder, a vertical grinder, a suspended grinder and a bench grinder.

[0003] Publication No. CN215201226U discloses a grinding table for bench grinder, which comprises a workbench, an auxiliary table is slidably connected to the upper end of the workbench, the auxiliary table comprises a support table and a bottom plate, the bottom plate is slidably connected with the workbench, the upper end of the bottom plate is provided with a support plate, the lower end of the support table is provided with an ear plate hinged with the bottom plate, an arc-shaped accommodation slot is arranged on the ear plate, a second stud connected with the support plate is arranged in the accommodation slot, and a second positioning nut for fixing the ear plate is threadedly connected on the second stud. The support table supports the workpiece, and the grinding angle of the grinding wheel to the workpiece can be adjusted by adjusting the angle of the support table. After the position and angle of the support table are fixed, the worker only needs to slide the workpiece on the support table to approach the grinding wheel for grinding. The support table improves the accuracy of the grinding angle, reduces the labor intensity, and improves the grinding efficiency and quality.

[0004] However, the above-mentioned device can only grind one side of the object, and manual operation is required when grinding the other edges of the object, which may cause danger to the workers. Therefore, a grinding table for bench grinder is needed. UTILITY MODEL CONTENT

[0005] The utility model discloses a grinding table for bench grinder, which can grind both sides of the object simultaneously, and the workers do not need to manually operate when grinding the other edges of the object, thereby avoiding the danger to the workers.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] The polishing table of the bench grinder comprises a polishing platform, a grinder mounting plate movably arranged at the top end of the polishing platform, a component clamping plate movably arranged at the top end of the polishing platform, a rotating mechanism for rotating the component clamping plate arranged below the polishing platform, a driving mechanism for driving the grinder mounting plate to move arranged below the polishing platform, a clamping mechanism arranged on the outer wall of the component clamping plate, wherein the rotating mechanism comprises a rotating column fixedly arranged at the bottom end of the component clamping plate, the rotating column penetrates through to below the polishing platform, a driving motor is fixedly arranged at the bottom end of the polishing platform, the output shaft of the driving motor is coaxially fixedly connected with the rotating column, and a limiting support assembly is arranged below the component clamping plate.

[0008] The component clamping plate is rotated to facilitate polishing of multiple edges of an object, the driving motor is started, the driving motor drives the component clamping plate to rotate through the rotating column, and multiple edges of the object on the component clamping plate are polished.

[0009] Preferably, the limiting support assembly comprises an annular limiting groove arranged at the top end of the polishing platform, a limiting ring fixedly arranged at the bottom end of the component clamping plate, the limiting ring is slidably arranged in the annular limiting groove, a plurality of movable grooves are equidistantly and uniformly arranged at the bottom end of the limiting ring, movable balls are rotatably arranged in the movable grooves, and the outer wall of the movable ball is attached to the inner bottom surface of the annular limiting groove.

[0010] The limiting ring rotates in the movable groove, and the movable ball rotates in the movable groove when the component clamping plate rotates, so that the stability and smoothness of the component clamping plate during rotation are ensured.

[0011] Preferably, the driving mechanism comprises a through sliding groove arranged on the polishing platform, a connecting block slidably arranged in the through sliding groove, the connecting block is fixedly arranged at the bottom end of the grinder mounting plate, a movable block movably arranged below the polishing platform, and the connecting block is fixedly connected with the movable block.

[0012] A pair of mounting blocks are fixedly arranged at the bottom end of the polishing platform, a threaded rod is rotatably arranged between the mounting blocks, a plurality of limiting rods are fixedly arranged between the mounting blocks, a forward and reverse motor is fixedly arranged at the bottom end of the polishing platform, the output shaft of the forward and reverse motor is coaxially fixedly connected with the threaded rod, the movable block is threadedly sleeved on the threaded rod, and the movable block is slidably sleeved on the limiting rods.

[0013] A plurality of spherical support grooves are equidistantly and uniformly arranged at the bottom end of the grinder mounting plate, support balls are movably arranged in the spherical support grooves, and the outer wall of the support ball is attached to the top surface of the polishing platform.

[0014] The driving mechanism is used for driving the grinding wheel machine mounting plate to move, after the bench grinding wheel machine is installed on the grinding wheel machine mounting plate, the forward and reverse motor is started, the forward and reverse motor drives the threaded rod to rotate, along with the rotation of the threaded rod, the movable block moves, the movable block drives the connecting block to slide in the through sliding groove, the connecting block drives the grinding wheel machine mounting plate to move, when the grinding wheel machine mounting plate moves, the supporting ball rotates in the spherical supporting groove, and the stability of the driving grinding wheel machine mounting plate is ensured while the driving grinding wheel machine mounting plate is supported.

[0015] Preferably, the clamping mechanism comprises an L-shaped mounting plate fixedly installed on the outer sidewall of the component clamping plate, an active clamping plate movably arranged in the L-shaped mounting plate, a plurality of sliding rods fixedly installed at the top end of the active clamping plate, the sliding rods slidingly penetrating through the horizontal section of the L-shaped mounting plate, an extrusion spring being sleeved on each sliding rod, and the extrusion spring being elastically connected between the bottom surface of the horizontal section of the L-shaped mounting plate and the top surface of the active clamping plate.

[0016] A fixed connecting plate is fixedly installed at the top end of the sliding rod, a fixed handle is fixedly installed at the top end of the fixed connecting plate, and a friction rubber pad is fixedly installed at the bottom end of the active clamping plate.

[0017] The fixed handle and the fixed connecting plate are used for driving the sliding rod to move upwards, the sliding rod drives the active clamping plate to move upwards, the active clamping plate is compressed, the object is placed between the component clamping plate and the active clamping plate, the fixed handle is released, the active clamping plate moves downwards under the reaction force of the extrusion spring, the friction rubber pad is attached to the top surface of the object, and the object is clamped.

[0018] The utility model has the advantages of the following beneficial effects:

[0019] 1. The component clamping plate is driven by the driving motor, the component clamping plate is rotated by the rotating column, the edges of the object on the component clamping plate are polished, the edges of the object are polished conveniently, the limiting ring rotates in the movable groove, the movable ball rotates in the movable groove, and the stability and smoothness of the rotation of the component clamping plate are ensured.

[0020] 2. The driving mechanism is used for driving the grinding wheel machine mounting plate to move, after the bench grinding wheel machine is installed on the grinding wheel machine mounting plate, the forward and reverse motor is started, the forward and reverse motor drives the threaded rod to rotate, along with the rotation of the threaded rod, the movable block moves, the movable block drives the connecting block to slide in the through sliding groove, the connecting block drives the grinding wheel machine mounting plate to move, when the grinding wheel machine mounting plate moves, the supporting ball rotates in the spherical supporting groove, and the stability of the driving grinding wheel machine mounting plate is ensured while the driving grinding wheel machine mounting plate is supported.

[0021] 3, by setting clamping mechanism, through the fixed handle and fixed connecting plate drive sliding rod upwardly, sliding rod drive movable clamping plate upwardly, so that movable clamping plate is compressed to extrusion spring, after the object is settled between component clamping plate and movable clamping plate, loosen fixed handle, under the reaction force of extrusion spring, movable clamping plate moves downwardly, friction rubber pad and object top surface are attached, realize clamping treatment to object. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is external structure schematic diagram of the polishing table of the table type grinding machine that the utility model provides;

[0023] Figure 2 It is cross section structure schematic diagram of the polishing platform of the utility model;

[0024] Figure 3 It is structure schematic diagram of the rotating mechanism of the utility model;

[0025] Figure 4 It is side structure schematic diagram of the clamping mechanism of the utility model.

[0026] In the drawing: 1, polishing platform;2, grinding machine mounting plate;3, component clamping plate;4, rotating mechanism;41, rotating column;42, drive motor;43, limit support assembly;431, annular limit groove;432, limit ring;433, movable slot;434, movable ball;5, drive mechanism;51, through sliding groove;52, connecting block;53, movable block;54, mounting block;55, threaded rod;56, limit rod;57, forward and reverse motor;58, spherical support groove;59, support ball;6, clamping mechanism;61, L-shaped mounting plate;62, movable clamping plate;63, sliding rod;64, extrusion spring;65, fixed connecting plate;66, fixed handle;67, friction rubber pad. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0028] In the description of the utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model.

[0029] Refer toFigures 1-4 A grinding table of a bench grinder, comprising a grinding platform 1, a grinder mounting plate 2 movably arranged at the top end of the grinding platform 1, a component clamping plate 3 movably arranged at the top end of the grinding platform 1, a rotating mechanism 4 arranged below the grinding platform 1 and rotating the component clamping plate 3, a driving mechanism 5 arranged below the grinding platform 1 and driving the grinder mounting plate 2 to move, a clamping mechanism 6 arranged on the outer side wall of the component clamping plate 3, the rotating mechanism 4 comprising a rotating column 41 fixedly installed at the bottom end of the component clamping plate 3 and rotatingly penetrating to below the grinding platform 1, a driving motor 42 fixedly installed at the bottom end of the grinding platform 1 and having an output shaft coaxially fixedly connected with the rotating column 41, and a limiting support assembly 43 arranged below the component clamping plate 3.

[0030] The limiting support assembly 43 comprises an annular limiting groove 431 opened at the top end of the grinding platform 1, a limiting ring 432 fixedly installed at the bottom end of the component clamping plate 3 and slidingly arranged in the annular limiting groove 431, a plurality of movable grooves 433 equidistantly and uniformly opened at the bottom end of the limiting ring 432, and a movable ball 434 rotatably installed in each movable groove 433 and having an outer side wall abutting against the inner bottom surface of the annular limiting groove 431.

[0031] The driving mechanism 5 comprises a through sliding groove 51 opened on the grinding platform 1, a connecting block 52 slidingly arranged in the through sliding groove 51 and fixedly installed at the bottom end of the grinder mounting plate 2, and a movable block 53 movably arranged below the grinding platform 1 and fixedly connected with the connecting block 52.

[0032] The grinding platform 1 is fixedly installed with a pair of mounting blocks 54, a threaded rod 55 rotatably installed between the mounting blocks 54, a plurality of limiting rods 56 fixedly installed between the mounting blocks 54, a forward-reverse motor 57 fixedly installed at the bottom end of the grinding platform 1 and having an output shaft coaxially fixedly connected with the threaded rod 55, and the movable block 53 threadedly sleeved on the threaded rod 55 and slidingly sleeved on the limiting rods 56.

[0033] The grinder mounting plate 2 is equidistantly and uniformly provided with a plurality of spherical support grooves 58 at the bottom end, and the spherical support grooves 58 are movably arranged with support balls 59 abutting against the top surface of the grinding platform 1.

[0034] The clamping mechanism 6 comprises an L-shaped mounting plate 61 fixedly installed on the outer side wall of the component clamping plate 3, a movable clamping plate 62 movably arranged in the L-shaped mounting plate 61, a plurality of sliding rods 63 fixedly installed at the top end of the movable clamping plate 62 and slidingly penetrating through the horizontal segment of the L-shaped mounting plate 61, an extrusion spring 64 sleeved on each sliding rod 63 and elastically connected between the bottom surface of the horizontal segment of the L-shaped mounting plate 61 and the top surface of the movable clamping plate 62.

[0035] The top end of the sliding rod 63 is fixedly installed with a fixed connecting plate 65, the top end of the fixed connecting plate 65 is fixedly installed with a fixed handle 66, and the bottom end of the movable clamping plate 62 is fixedly installed with a friction rubber pad 67.

[0036] In the utility model, the fixed handle 66 and the fixed connecting plate 65 drive the sliding rod 63 to move upwards, the sliding rod 63 drives the movable clamping plate 62 to move upwards, the movable clamping plate 62 is compressed to the extrusion spring 64, after the article is placed between the component clamping plate 3 and the movable clamping plate 62, the fixed handle 66 is loosened, the movable clamping plate 62 moves downwards under the reaction force of the extrusion spring 64, the friction rubber pad 67 is attached to the top surface of the article, the article is clamped, after the bench grinder is installed on the grinding machine mounting plate 2, the forward and reverse motor 57 is started, the forward and reverse motor 57 drives the threaded rod 55 to rotate, along with the rotation of the threaded rod 55, the movable block 53 moves, the movable block 53 drives the connecting block 52 to slide in the through sliding groove 51, the connecting block 52 drives the grinding machine mounting plate 2 to move, when the grinding machine mounting plate 2 moves, the supporting ball 59 rotates in the spherical supporting groove 58, the stability of the driving grinding machine mounting plate 2 is ensured when the driving grinding machine mounting plate 2 is supported, the driving motor 42 is started, the driving motor 42 drives the component clamping plate 3 to rotate through the rotating column 41, the edges of the article on the component clamping plate 3 are polished, the edges of the article are conveniently polished, when the component clamping plate 3 rotates, the limiting ring 432 rotates in the movable groove 433, and the movable ball 434 rotates in the movable groove 433, and the stability and smoothness of the component clamping plate 3 are ensured when the component clamping plate 3 rotates.

[0037] The above is only the preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, and all should be covered in the protection scope of the utility model.

Claims

1. A polishing platform of a bench grinder, comprising a polishing platform (1), a grinder mounting plate (2) movably arranged on the top of the polishing platform (1), a component clamping plate (3) movably arranged on the top of the polishing platform (1), a rotating mechanism (4) arranged below the polishing platform (1) to rotate the component clamping plate (3), a driving mechanism (5) arranged below the polishing platform (1) to drive the movement of the grinder mounting plate (2), and a clamping mechanism (6) arranged on the outer wall of the component clamping plate (3), characterized in that: The rotating mechanism (4) comprises a rotating column (41) fixedly installed at the bottom center of the component clamping plate (3), the rotating column (41) is rotatably penetrated to below the polishing platform (1), the bottom end of the polishing platform (1) is fixedly installed with a driving motor (42), the output shaft of the driving motor (42) is coaxially fixedly connected with the rotating column (41), and the bottom of the component clamping plate (3) is provided with a limiting support assembly (43).

2. A polishing table for a bench grinder as defined in claim 1, wherein: The limiting support assembly (43) comprises an annular limiting groove (431) opened at the top end of the polishing platform (1), a limiting ring (432) fixedly installed at the bottom end of the component clamping plate (3), the limiting ring (432) is slidingly arranged in the annular limiting groove (431), a plurality of movable grooves (433) are uniformly and equidistantly formed at the bottom end of the limiting ring (432), movable balls (434) are rotatably installed in the movable grooves (433), and the outer side wall of the movable ball (434) is attached to the inner bottom surface of the annular limiting groove (431).

3. A polishing table for a bench grinder as defined in claim 1, wherein: The driving mechanism (5) comprises a through sliding groove (51) opened on the polishing platform (1), a connecting block (52) slidingly arranged in the through sliding groove (51), the connecting block (52) is fixedly installed at the bottom end of the grinding machine mounting plate (2), and the polishing platform (1) is movably provided with a movable block (53), and the connecting block (52) is fixedly connected with the movable block (53).

4. A polishing table for a bench grinder as defined in claim 3, wherein: The bottom end of the polishing platform (1) is fixedly installed with a pair of mounting blocks (54), a threaded rod (55) is rotatably installed between the pair of mounting blocks (54), a plurality of limiting rods (56) are fixedly installed between the pair of mounting blocks (54), a forward and reverse motor (57) is fixedly installed at the bottom end of the polishing platform (1), the output shaft of the forward and reverse motor (57) is coaxially fixedly connected with the threaded rod (55), the movable block (53) is threadedly sleeved on the threaded rod (55), and the movable block (53) is slidingly sleeved on the limiting rod (56).

5. A bench grinder polishing table as claimed in claim 4, wherein: The bottom end of the grinding machine mounting plate (2) is uniformly and equidistantly provided with a plurality of spherical support grooves (58), the spherical support grooves (58) are movably provided with support balls (59), and the outer side wall of the support ball (59) is attached to the top surface of the polishing platform (1).

6. The bench sander / polisher of claim 1 wherein: The clamping mechanism (6) comprises an L-shaped mounting plate (61) fixedly installed on the outer side wall of the component clamping plate (3), an movable clamping plate (62) movably arranged in the L-shaped mounting plate (61), a plurality of sliding rods (63) fixedly installed at the top end of the movable clamping plate (62), the sliding rods (63) slidingly penetrating the horizontal section of the L-shaped mounting plate (61), a compression spring (64) sleeved on the sliding rod (63), and the compression spring (64) elastically connected between the bottom surface of the horizontal section of the L-shaped mounting plate (61) and the top surface of the movable clamping plate (62).

7. A bench grinder polishing station according to claim 6, wherein: The top end of the sliding rod (63) is fixedly installed with a fixed connecting plate (65), the top end of the fixed connecting plate (65) is fixedly installed with a fixed handle (66), and the bottom end of the movable clamping plate (62) is fixedly installed with a friction rubber pad (67).

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