CN219310865U

CN219310865U - Disc-shaped workpiece double-sided polishing mechanism

Info

Publication number: CN219310865U
Application number: CN202223460309.8U
Authority: CN
Inventors: 张义军; 孙渊
Original assignee: Tianjin Jingxin Machinery Equipment Manufacturing Co ltd
Current assignee: Tianjin Jingxin Machinery Equipment Manufacturing Co ltd
Priority date: 2022-12-23
Filing date: 2022-12-23
Publication date: 2023-07-07
Anticipated expiration: 2032-12-23

Abstract

The utility model discloses a disc-shaped workpiece double-sided polishing mechanism which comprises a base and a workbench, wherein the workbench is internally connected with a lifting table through an electric telescopic rod, a distance synchronous adjusting device is arranged in the base and is connected with an arc-shaped clamping plate through a connecting rod, two sections of external threads with opposite thread directions are arranged on an adjusting shaft, a movable plate is connected to the external threads through threads, and a U-shaped clamping block is movably connected to the movable plate through a rotating shaft. This kind of two-sided grinding machanism of disc work piece utilizes electric telescopic handle can rise the elevating platform, and two U-shaped grip blocks clamp the work piece on the elevating platform, utilize second motor and pivot drive U-shaped grip block and work piece rotation, realize the turn-over of work piece, carry out the polishing of another side, only utilize single grinding device can realize two-sided polishing, simplify the structure that two-sided polished, improve polishing efficiency.

Description

Disc-shaped workpiece double-sided polishing mechanism

Technical Field

The utility model relates to the technical field of disc workpiece machining, in particular to a disc workpiece double-sided polishing mechanism.

Background

The disc-shaped workpiece is a common part in machining, the smoothness requirement of the disc-shaped workpiece on the surface is high, therefore, the surface of the disc-shaped workpiece is required to be polished by using the polishing machine in the machining process, the surface smoothness of the disc-shaped workpiece is guaranteed, the existing polishing machine is used for polishing the metal disc, the clamping devices of the disc-shaped workpiece are used for clamping two end faces of the disc or clamping one end face tightly, although the clamping is stable, the fixing part cannot be polished, most of the polishing machine can only polish one face of the disc, the disc is required to be firstly fixed when the other face is polished, the disc is manually turned and then is fixed again, the polishing machine is complicated, the polishing machine capable of polishing the two faces is used for polishing the metal disc in the prior art, for example, the polishing machine for polishing the disc with the application number CN202023341973.1 is disclosed, the second servo motor and the second polishing disc are arranged, the second servo motor can drive the fixing block and the second end face motor to polish the disc when the upper end face of the disc is driven, the second servo motor can polish the fixing block and the second end face of the fixing block only, the polishing device is suitable for polishing the disc and the disc is easy to be used for polishing the disc, and the polishing device is not easy to be influenced when the two polishing discs are arranged. For this purpose, we propose a double-sided polishing mechanism for disc-shaped workpieces.

Disclosure of Invention

The utility model aims to provide a disc-shaped workpiece double-sided polishing mechanism, which solves the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a two-sided grinding machanism of disc work piece, includes base and workstation, workstation fixed connection is in the base top, be connected with the elevating platform through electric telescopic handle in the workstation, be provided with apart from synchronous adjusting device in the base, be connected with arc grip block through the connecting rod apart from synchronous adjusting device, arc grip block activity joint is in the workstation upper end, base upper end swing joint has the regulating spindle, be provided with the external screw thread that two sections screw thread directions are opposite on the regulating spindle, the regulating spindle transmission is connected with first motor, threaded connection has the movable plate on the external screw thread, there is U-shaped grip block through pivot swing joint on the movable plate, one of them the pivot transmission is connected with the second motor.

Preferably, the distance synchronous adjusting device comprises a main bevel gear, a screw rod, an auxiliary bevel gear and an adjusting nut, wherein the main bevel gear is movably connected to the middle part in the base, the main bevel gear is connected with a driving structure in a transmission manner, the screw rod is at least provided with three screw rods which are in annular arrangement, the end part of the screw rod is provided with the auxiliary bevel gear, the main bevel gear and the auxiliary bevel gear are meshed, the screw rod is connected with the adjusting nut in a threaded manner, and the bottom end of the connecting rod penetrates through the base and is fixedly connected with the upper end of the adjusting nut.

Preferably, the U-shaped clamping block is provided with a screw in a penetrating mode, and the bottom end of the screw is fixedly connected with a pressing plate.

Preferably, the workbench is provided with a yielding groove, and the connecting rod penetrates through the yielding groove.

Compared with the prior art, the utility model has the beneficial effects that: this kind of two-sided grinding machanism of disc work piece is close to or keeps away from to the centre of a circle department of workstation simultaneously through driving a plurality of arc grip blocks apart from synchronous adjusting device, realize the outer wall centre gripping purpose to the disc work piece of equidimension, can rise the elevating platform with electric telescopic handle, promptly with disc work piece upward movement, and make two U-shaped grip blocks be close to simultaneously with the external screw thread that the screw thread direction is opposite on the regulating spindle, until two U-shaped grip blocks clamp the work piece on the elevating platform, utilize second motor and pivot to drive U-shaped grip block and work piece rotation, realize the turn-over of work piece, then utilize the elevating platform to drive the work piece and descend to the workstation, carry out polishing of another side, only utilize single grinding device can realize two-sided polishing, and can realize the automatic turn-over of work piece, simplify the structure of two-sided polishing, improve polishing efficiency.

Drawings

FIG. 1 is a front cross-sectional view of the present utility model;

FIG. 2 is a top cross-sectional view of the base of the present utility model;

FIG. 3 is a top view of the base of the present utility model;

FIG. 4 is a top view of the table of the present utility model;

fig. 5 is a schematic perspective view of a U-shaped clamping block according to the present utility model.

In the figure: the device comprises a base 1, a workbench 2, an electric telescopic rod 3, a lifting table 4, a distance synchronous adjusting device 5, a main bevel gear 51, a screw rod 52, an auxiliary bevel gear 53, an adjusting nut 54, a connecting rod 6, an arc-shaped clamping plate 7, a yielding groove 8, an adjusting shaft 9, an external thread 10, a first motor 11, a moving plate 12, a rotating shaft 13, a U-shaped clamping block 14, a second motor 15, a screw rod 16 and a pressing plate 17.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a disc work piece two-sided polishing mechanism, including base 1 and workstation 2, workstation 2 fixed connection is in base 1 top, be connected with elevating platform 4 through electric telescopic link 3 in the workstation 2, workstation 2 accessible bracing piece fixed connection is in base 1's top, leave certain space between the bottom of workstation 2 and the upper end of base 1, can be provided with circular recess in the upper end of workstation 2, elevating platform 4 joint is in this circular recess, be provided with the through-hole in circular recess bottom, electric telescopic link 3 can run through in the through-hole and with elevating platform 4 bottom fixed connection, electric telescopic link 3's bottom can be fixed connection in base 1 upper end, as shown in fig. 1, in addition, can set up polishing mechanism such as motor and polishing piece etc. in workstation 2, this is prior art, this is not specifically limited, but direct reference is made in this application, disc work piece is placed in workstation 2 upper end, utilize corresponding clamping assembly to carry out the centre gripping fixedly, then utilize polishing mechanism above the workstation 2 can polish disc work piece's upper surface, can utilize electric telescopic link 3 to drive elevating platform 4 after polishing, lift work piece operation is done simultaneously, finish the work piece;

the base 1 is internally provided with a distance synchronous adjusting device 5, the distance synchronous adjusting device 5 is connected with arc-shaped clamping plates 7 through connecting rods 6, the arc-shaped clamping plates 7 are movably clamped at the upper end of a workbench 2, a yielding groove 8 is formed in the workbench 2, the connecting rods 6 penetrate through the yielding groove 8, the connecting rods 6 penetrate through the workbench 2, so that the arc-shaped clamping plates 7 can be positioned at the upper end of the workbench 2, the arc-shaped clamping plates 7 can be driven to approach or separate from the middle of the workbench 2 at the same time through the distance synchronous adjusting device 5 until the arc-shaped clamping plates 7 are abutted to the side surfaces of disc-shaped workpieces, clamping and fixing of the disc-shaped workpieces are achieved, the yielding grooves 8 are annularly arranged on the workbench 2, the connecting rods 6 can be arranged in one-to-one correspondence, the connecting rods 6 can be L-shaped, the vertical parts of the connecting rods 6 are clamped in the yielding grooves 8, the horizontal parts of the connecting rods 6 are positioned above the workbench 2, and the end parts of the connecting rods 6 are fixedly connected with the arc-shaped clamping plates 7;

the distance synchronous adjusting device 5 comprises a main bevel gear 51, a screw rod 52, a secondary bevel gear 53 and an adjusting nut 54, wherein the main bevel gear 51 is movably connected to the middle part in the base 1, the main bevel gear 51 is in transmission connection with a driving structure, the screw rod 52 is movably connected to the base 1, at least three adjusting nuts 54 are arranged in an annular arrangement, the secondary bevel gear 53 is arranged at the end part of the screw rod 52, the main bevel gear 51 and the secondary bevel gear 53 are meshed, the adjusting nut 54 is connected to the screw rod 52 in a threaded manner, the bottom end of the connecting rod 6 penetrates through the base 1 and is fixedly connected with the upper end of the adjusting nut 54, the main bevel gear 51 can be in transmission connection with a driving mechanism, such as a driving motor and the like, the main bevel gear 51 can be driven to rotate, under the meshing effect of the main bevel gear 51 and the secondary bevel gear 53, the plurality of screw rods 52 can synchronously rotate, under the threaded connection effect of the adjusting nuts 54 and the screw rod 52, the plurality of adjusting nuts 54 are simultaneously close to each other or are mutually far away, and the arc clamping plates 7 connected with the adjusting nuts are driven to be simultaneously close to each other or far away from each other;

the upper end of the base 1 is movably connected with an adjusting shaft 9, two sections of external threads 10 with opposite thread directions are arranged on the adjusting shaft 9, the adjusting shaft 9 is in transmission connection with a first motor 11, the external threads 10 are in threaded connection with a moving plate 12, the first motor 11 is a forward and reverse rotation gear motor and can drive the adjusting shaft 9 to rotate, under the action of the external threads 10 with opposite thread directions, the two moving plates 12 in threaded connection with the adjusting shaft are simultaneously close to or far away from each other, and the bottom end of the moving plate 12 can be movably clamped with the upper end of the base 1, so that the stability of the moving plate 12 is improved;

the movable plate 12 is movably connected with the U-shaped clamping blocks 14 through the rotating shafts 13, one rotating shaft 13 is in transmission connection with the second motor 15, the rotating shaft 13 can rotate on the movable plate 12, the rotation can be damped rotation, the U-shaped clamping blocks 14 are prevented from rotating to change positions under the action of no external force, when the lifting plate 4 lifts a disc-shaped workpiece, the lifting plate can lift the disc-shaped workpiece to a position between the two U-shaped clamping blocks 14, at the moment, the two movable plate 12 drives the two U-shaped clamping blocks 14 to be close to each other by utilizing the adjusting shaft 9 until the two U-shaped clamping blocks 14 are clamped at the edge of the disc-shaped workpiece, as shown in fig. 5, then the lifting table 4 moves downwards, the rotating shaft 13 is driven to rotate by one hundred eighty degrees by utilizing the second motor 15, automatic turning over of the disc-shaped workpiece is realized, after the turning over is finished, the lifting table 4 moves upwards again to the bottom of the workpiece, the two U-shaped clamping blocks 14 are far away, the workpiece falls on the lifting table 4, and the lifting table 4 drives the workpiece to move to the surface of the workbench 2 again, and polishing of the other surface is realized;

the U-shaped clamping block 14 is provided with a screw 16 in a penetrating manner, the bottom end of the screw 16 is fixedly connected with a pressing plate 17, the screw 16 is rotated to drive the pressing plate 17 to move up and down, and the position of the pressing plate 17 is adjusted according to the thickness of a disc-shaped workpiece.

When the disc-shaped workpiece polishing device is used, a disc-shaped workpiece is placed at the upper end of the workbench 2, the plurality of arc-shaped clamping plates 7 can be driven to approach or separate from the middle of the workbench 2 through the distance synchronous adjusting device 5 until the arc-shaped clamping plates 7 are abutted to the side surfaces of the disc-shaped workpiece, clamping and fixing of the disc-shaped workpiece are achieved, the polishing mechanism above the workbench 2 can be used for polishing the upper surface of the disc-shaped workpiece, after polishing is finished, the electric telescopic rod 3 can be used for driving the lifting table 4 to ascend, the disc-shaped workpiece is lifted up and lifted to a position between the two U-shaped clamping blocks 14, at the moment, the adjusting shaft 9 rotates, under the action of the external threads 10 with opposite thread directions, the two moving plates 12 in threaded connection with the two U-shaped clamping blocks 14 can be enabled to drive the two U-shaped clamping blocks 14 to approach each other until the two U-shaped clamping blocks 14 are clamped at the edge of the disc-shaped workpiece, as shown in fig. 5, then the lifting table 4 moves downwards, the second motor 15 is used for driving the rotating shaft 13 to rotate for hundred eighty degrees, automatic turning over of the workpiece is achieved, after turning over is completed, the lifting table 4 moves upwards to the bottom of the workpiece, the two U-shaped clamping blocks are driven to move to the two U-shaped clamping blocks to the bottom the workpiece, and the two U-shaped clamping blocks are driven to move down to the workpiece to the opposite to the side, and the two U-shaped clamping blocks are far enough, and the workpiece can be driven to rotate upwards, and the round down, and the workpiece can be driven upwards, and the workpiece, and the two ten, and the workpiece can be left and the ten and the workpiece can be left and the workpiece and the 4 and can be and the ten.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a two-sided grinding machanism of disc work piece, includes base (1) and workstation (2), its characterized in that: the utility model provides a workbench (2) fixed connection is in base (1) top, be connected with elevating platform (4) through electric telescopic handle (3) in workstation (2), be provided with apart from synchronous adjusting device (5) in base (1), be connected with arc grip block (7) through connecting rod (6) apart from synchronous adjusting device (5), arc grip block (7) movable joint is in workstation (2) upper end, base (1) upper end swing joint has regulating spindle (9), be provided with external screw thread (10) that two sections screw thread directions are opposite on regulating spindle (9), regulating spindle (9) transmission is connected with first motor (11), threaded connection has movable plate (12) on external screw thread (10), be connected with U-shaped grip block (14) through pivot (13) swing joint on movable plate (12), one of them pivot (13) transmission is connected with second motor (15).

2. A disc-shaped workpiece double-sided grinding mechanism as defined in claim 1, wherein: the distance synchronous adjusting device (5) comprises a main bevel gear (51), a screw rod (52), an auxiliary bevel gear (53) and an adjusting nut (54), wherein the main bevel gear (51) is movably connected to the middle part in the base (1), the main bevel gear (51) is in transmission connection with a driving structure, the screw rod (52) is movably connected to the base (1), the screw rod (52) is at least provided with three annular arrangements, the end part of the screw rod (52) is provided with the auxiliary bevel gear (53), the main bevel gear (51) and the auxiliary bevel gear (53) are meshed, the screw rod (52) is connected with the adjusting nut (54) in a threaded manner, and the bottom end of the connecting rod (6) penetrates through the base (1) to be fixedly connected with the upper end of the adjusting nut (54).

3. A disc-shaped workpiece double-sided grinding mechanism as defined in claim 1, wherein: the U-shaped clamping block (14) is provided with a screw rod (16) in a penetrating mode, and the bottom end of the screw rod (16) is fixedly connected with a pressing plate (17).

4. A disc-shaped workpiece double-sided grinding mechanism as defined in claim 1, wherein: the workbench (2) is provided with a yielding groove (8), and the connecting rod (6) penetrates through the yielding groove (8).