CN111890209A

CN111890209A - Polishing machine

Info

Publication number: CN111890209A
Application number: CN202011045183.0A
Authority: CN
Inventors: 陈志辉
Original assignee: Foshan Houlang Technology Co ltd
Current assignee: Foshan Houlang Technology Co ltd
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2020-11-06
Anticipated expiration: 2040-09-29
Also published as: CN111890209B

Abstract

The invention discloses a polishing machine, which is characterized in that a polishing wheel and a sliding plate fixed by a first motor for driving the polishing wheel to rotate are arranged on the sliding plate, the sliding plate can move along a guide post under the driving of a first driving component, and when the polishing machine is used, the first driving component drives the sliding plate to transversely move, so that the polishing wheel can transversely move with a workpiece while rotating on the surface of the workpiece for polishing, and the polishing effect is improved; the workpiece is fixed on a fixture jig of the working platform through the first ejector pin and the second ejector pin, and the second motor is utilized to drive the workpiece to rotate, so that the workpiece can be clamped once, the surface of the workpiece can be integrally machined, the polishing effect is improved, the workpiece is positioned and fixed through the first ejector pin and the second ejector pin, the position precision of the workpiece is improved, and the polishing efficiency and the polishing effect of the workpiece are improved.

Description

Polishing machine

Technical Field

The invention relates to the field of polishing equipment, in particular to a polishing machine.

Background

Polishing refers to a processing method for reducing the roughness of the surface of a workpiece by using mechanical, chemical or electrochemical actions to obtain a bright and flat surface, and is a modification processing of the surface of the workpiece by using a polishing tool and abrasive particles or other polishing media. Polishing does not improve the dimensional accuracy or geometric accuracy of the workpiece, but aims to obtain a smooth surface or a mirror surface gloss, and sometimes also serves to eliminate gloss (matting).

At present, in the traditional polishing method, a polishing wheel has only one degree of freedom of rotation around a main shaft, so that the quality of polishing the surface of a workpiece is not high.

It is seen that improvements and enhancements to the prior art are needed.

Disclosure of Invention

In view of the defects of the prior art, the invention aims to provide a polishing machine, which can improve the polishing quality of the polishing machine on the surface of a workpiece.

In order to achieve the purpose, the invention adopts the following technical scheme:

a polishing machine comprises a rack, a polishing wheel mechanism and a working platform, wherein the polishing wheel mechanism comprises a lifting structure fixed on the rack, a polishing wheel assembly is fixed on the lifting structure, and the lifting structure drives the polishing wheel assembly to lift; the polishing wheel assembly comprises a connecting plate, guide columns are transversely arranged on the connecting plate, two ends of each guide column are fixed on the connecting plate, the middle of each guide column is connected with a sliding plate in a sliding mode, the sliding plate is connected with a first driving assembly for driving the sliding plate to slide, the first driving assembly is fixed on the connecting plate, a first motor is fixed on one end face, far away from the guide columns, of the sliding plate, and an output shaft of the first motor is connected with a polishing wheel; the working platform comprises a base and a working platform which is connected to the base in a sliding manner, a second driving assembly for driving the working platform to move is connected between the base and the working platform, and a clamp jig is fixed on the working platform; the fixture jig comprises a first support frame and a second support frame which are fixed on the workbench, the upper end of the first support frame is rotatably connected with a first ejector pin, one end of the first ejector pin, which is far away from the second support frame, is connected with a second motor, and the second motor is fixed on the first support frame; the upper end of the second support frame is slidably and rotatably connected with a second thimble, one end of the second thimble far away from the first support frame is connected with a telescopic cylinder, and the telescopic cylinder is fixed on the second support frame; the first thimble and the second thimble are in the same straight line.

In the polishing machine, an output shaft of a first motor is connected with a first transmission assembly, one end of the first transmission assembly, far away from the first motor, is connected with a first rotating shaft, the first rotating shaft is connected to a sliding plate through a bearing seat, and a polishing wheel is fixed at one end, far away from the first transmission assembly, of the first rotating shaft.

In the polishing machine, the first driving assembly comprises a third motor fixed on the connecting plate and a crank fixed on an output shaft of the third motor, a connecting rod is rotatably connected to an eccentric position on the crank, and the other end of the connecting rod is hinged or rotatably connected with the sliding plate.

In the polishing machine, the lifting structure comprises a fourth motor fixed on the rack and a lead screw fixedly connected with an output shaft of the fourth motor and with two ends rotatably connected on the rack, and the middle part of the lead screw is in threaded connection with the connecting plate.

In the polishing machine, the polishing wheel mechanism comprises a first polishing wheel mechanism and a second polishing wheel mechanism, and the first polishing wheel mechanism is arranged right above the second polishing wheel mechanism; the screw rods of the first polishing wheel mechanism and the second polishing wheel mechanism rotate reversely and synchronously.

In the polishing machine, a second transmission assembly is connected between a screw rod of the first polishing wheel mechanism and a screw rod of the second polishing wheel mechanism, and a fourth motor is connected to the screw rod of the first polishing wheel mechanism.

In the polishing machine, the first polishing wheel mechanism and the second polishing wheel mechanism are connected into a whole, the screw thread at one end of the first polishing wheel mechanism and the screw thread at one end of the second polishing wheel mechanism are arranged in the screw thread in a reverse direction, and the fourth motor is connected at one end of the screw thread.

In the polishing machine, a rack comprises a bottom plate and an upright post formed by cutting a square rod, and a first polishing wheel mechanism and a second polishing wheel mechanism are connected to the upright post.

In the polishing machine, a plurality of first thimbles and a plurality of second thimbles are arranged, and all the first thimbles and all the second thimbles are arranged on the same plane; the first ejector pin is in transmission connection with the second motor.

In the polishing machine, a sliding table is connected onto the workbench in a sliding mode, a third driving assembly is arranged between the sliding table and the workbench, the first supporting frame is fixed to one end of the workbench, and the second supporting frame is fixed to the sliding table.

Has the advantages that: when the polishing wheel is used, the first driving assembly drives the sliding plate to transversely move, so that the polishing wheel can transversely move with a workpiece while rotating on the surface of the workpiece for polishing, and the polishing effect is improved; the workpiece is fixed on a fixture jig of the working platform through the first ejector pin and the second ejector pin, and the second motor is used for driving the workpiece to rotate, so that the workpiece can be clamped once, the surface of the workpiece can be integrally machined, and the polishing effect is improved; the polishing machine is provided with a plurality of polishing wheel mechanisms, so that the surfaces of workpieces can be polished by a plurality of polishing wheels simultaneously, the work efficiency is improved, the polishing wheel mechanisms can be synchronously adjusted, the workpieces are positioned and fixed through the first ejector pins and the second ejector pins, the position precision of the workpieces is improved, and the polishing efficiency and the polishing effect of the workpieces are improved.

Drawings

FIG. 1 is a schematic structural diagram of a polishing machine provided by the present invention.

Fig. 2 is a front view of the polishing machine provided in fig. 1.

FIG. 3 is a first schematic view of the polishing wheel mechanism.

FIG. 4 is a second schematic structural view of the buffing wheel mechanism.

FIG. 5 is a third schematic view of the buffing wheel mechanism.

Fig. 6 is a schematic structural view of the working platform, in which a part of the base structure is cut away.

Fig. 7 is a top view of the work platform provided in fig. 6.

Fig. 8 is a front view of the work platform provided in fig. 6.

Description of the main element symbols: 1-a machine frame, 1.1-a bottom plate, 1.2-a vertical column, 2-a polishing wheel mechanism, 2.01-a first polishing wheel mechanism, 2.02-a second polishing wheel mechanism, 2.1-a lifting mechanism, 2.11-a fourth motor, 2.12-a screw rod, 2.13-a second transmission component, 2.2-a polishing wheel component, 2.21-a connecting plate, 2.23-a guide column, 2.24-a first transmission component, 2.25-a first rotating shaft, 2.26-a polishing wheel, 2.27-a first motor, 2.28-a sliding plate, 2.3-a first linear guide rail, 2.4-a first driving component, 2.41-a third motor, 2.42-a crank, 2.43-a connecting rod, 3-a working platform, 3.01-a second driving component, 3.02-a third driving component, 3.1-a second linear guide rail, 3.2-a first rack, 3.3-workbench, 3.4-fifth motor, 3.5-sixth motor, 3.6-second rack, 3.7-third linear guide rail, 3.8-sliding table, 3.9-base, 3.10-first gear, 4-clamp jig, 4.1-first support frame, 4.2-second support frame, 4.3-second motor, 4.4-third transmission component, 4.5-first thimble, 4.6-second thimble, 4.7-telescopic cylinder.

Detailed Description

The invention provides a polishing machine, which is further described in detail below by referring to the attached drawings and embodiments in order to make the purpose, technical scheme and effect of the invention clearer and clearer. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the scope of the invention.

Referring to fig. 1, a polishing machine comprises a frame 1, a polishing wheel mechanism 2 and a working platform 3, when polishing machining is performed, a workpiece is mounted on the working platform 3, and a control system of the polishing wheel controls the polishing wheel mechanism 2 to perform polishing treatment on the surface of the workpiece, so that the surface of the workpiece becomes smooth and glossy, and the product quality is improved. Of course, the polishing wheel can be replaced according to actual requirements, and when the polishing wheel is machined, wire drawing lines are formed on the surface of a product, so that the aesthetic feeling is improved.

Referring to fig. 1, 2 and 3, in particular, the polishing wheel mechanism 2 includes a lifting structure 2.1 fixed on the frame 1, a polishing wheel assembly 2.2 is fixed on the lifting structure 2.1, and the lifting structure 2.1 drives the polishing wheel assembly 2.2 to lift, so that the polishing wheel 2.26 contacts with the surface of the workpiece during processing, and when the workpiece is dismounted, the polishing wheel 2.26 leaves the surface of the workpiece.

Referring to fig. 2, 3, 4 and 5, in a preferred embodiment, the polishing wheel assembly 2.2 includes a connecting plate 2.21, a guide column 2.23 is fixed on the connecting plate 2.21, the guide column 2.23 is transversely disposed, two ends of the guide column 2.23 are fixed on the connecting plate 2.21, a sliding plate 2.28 is slidably connected to a middle portion of the guide column 2.23, a first driving assembly 2.4 for driving the sliding plate 2.28 to slide is connected to the sliding plate 2.28, the first driving assembly 2.4 is fixed on the connecting plate 2.21, a first motor 2.27 is fixed to one end face of the sliding plate 2.28 far away from the guide column 2.23, and a polishing wheel 2.26 is connected to an output shaft of the first motor 2.27. In practical applications, the guide post 2.23 may be replaced by a linear guide.

In this embodiment, the sliding plate 2.28 is driven by the first driving assembly 2.4, the sliding plate 2.28 can move along the guiding column 2.23, the first motor 2.27 is fixed on the sliding plate 2.28, and the polishing wheel 2.26 is fixed on the output shaft of the first motor 2.27. In use, the first driving assembly 2.4 drives the sliding plate 2.28 to move transversely, so that the polishing wheel 2.26 can move transversely with the workpiece while rotating on the surface of the workpiece for polishing, and the polishing effect is improved. The choice of polishing mode can also be made as desired.

Wherein, the both ends of guide post 2.23 can be fixed on connecting plate 2.21 through the axle bed, also can set up connecting plate 2.21 as the shape structure, and the both ends of guide post 2.23 are fixed on the both sides edge of connecting plate 2.21. In the preferred embodiment of the present application, there are two guide posts 2.23, but in practical applications, the number of guide posts 2.23 can be set as required.

In a preferred embodiment, a first transmission assembly 2.24 is connected to the output shaft of the first motor 2.27, a first rotating shaft 2.25 is connected to the first transmission assembly 2.24 at the end far away from the first motor 2.27, the first rotating shaft 2.25 is connected to the sliding plate 2.28 through a bearing seat, and a polishing wheel 2.26 is fixed at the end of the first rotating shaft 2.25 far away from the first transmission assembly 2.24. The first rotating shaft 2.25 is arranged on the side surface of the first motor 2.27, and two ends of the first rotating shaft 2.25 are fixed on the sliding plate 2.28 through the bearing seats, so that the first motor 2.27 and the first rotating shaft 2.25 can be connected on the sliding plate 2.28 with a small area, and the first rotating shaft 2.25 can be provided with a plurality of connecting points, thereby improving the stability of the first rotating shaft 2.25 and avoiding the first rotating shaft from shaking when rotating at a high speed. The first transmission assembly 2.24 preferably has a synchronous belt transmission structure, i.e. a synchronous pulley is fixed on both the output shaft of the first motor 2.27 and the first rotating shaft 2.25, and a synchronous belt is connected to the two synchronous pulleys. In practical applications, the first transmission assembly 2.24 may also be a geared transmission, a chain transmission, or the like.

Referring to fig. 5, in a preferred embodiment, the first driving assembly 2.4 is a cylinder, the cylinder body of which is fixed on the connecting plate 2.21, the end of the piston rod of which is fixed on the sliding plate 2.28, and the piston rod of which is parallel to the guide post 2.23. The transverse movement of the sliding plate 2.28, namely the transverse movement of the polishing wheel 2.26, is driven by the extension and contraction of the piston rod of the driving air cylinder. In this embodiment, two limit blocks may be provided on the mounting plate, and the sliding plate 2.28 is provided with a stroke stop, where the stroke stop is disposed between the two limit blocks corresponding to two ends of the moving stroke of the sliding plate 2.28, so that the sliding plate 2.28 can be ensured to move within the stroke range without exceeding the range.

Referring to fig. 3 and 4, in a preferred embodiment, the first driving assembly 2.4 includes a third motor 2.41 fixed on the connecting plate 2.21, a crank 2.42 fixed on the output shaft of the third motor 2.41, a connecting rod 2.43 is rotatably connected to the crank 2.42 at an eccentric position, and the other end of the connecting rod 2.43 is hinged or rotatably connected to the sliding plate 2.28. The crank 2.42 is driven by the third motor 2.41 to rotate, so that the connecting rod 2.43 swings, and the end of the connecting rod 2.43 connected with the sliding plate 2.28 drives the sliding plate 2.28 to move under the limit of the guide column 2.23.

In a preferred embodiment, the lifting structure 2.1 comprises a fourth motor 2.11 fixed on the frame 1, and a screw rod 2.12 fixedly connected with an output shaft of the fourth motor 2.11 and having two ends rotatably connected to the frame 1, wherein the middle part of the screw rod 2.12 is in threaded connection with the connecting plate 2.21. In other words, the lifting structure 2.1 is preferably a screw rod 2.12 lifting structure 2.1, and the connecting plate 2.21 is fixed on a sliding block of the screw rod 2.12 lifting structure 2.1, so that when the screw rod 2.12 rotates, the sliding block is driven to move, and then the connecting plate 2.21 is driven to move, thereby realizing the lifting function. In practical application, other structures can be adopted to realize lifting, such as an air cylinder, an electric rod and the like.

In a preferred embodiment, a first linear guide 2.3 is arranged between the frame 1 and the connecting plate 2.21, and the first linear guide 2.3 is parallel to the screw rod 2.12. The slide rail of the first linear guide rail 2.3 is fixed on the frame 1, and the slide block of the first linear guide rail 2.3 is fixedly connected with the connecting plate 2.21, so that the connecting plate 2.21 can only move along the direction limited by the slide rail of the first linear guide rail 2.3. Namely, under the action of the lifting structure 2.1 of the screw rod 2.12, the limitation of the first linear guide rail 2.3 to the moving direction of the connecting plate 2.21 is further increased, so that the connecting plate 2.21 is more stable and cannot shake when moving.

Referring to fig. 2, in a preferred embodiment, the buffing wheel mechanism 2 includes a first buffing wheel mechanism 2.01 and a second buffing wheel mechanism 2.02, the first buffing wheel mechanism 2.01 being disposed directly above the second buffing wheel mechanism 2.02; the screw rods 2.12 of the first polishing wheel mechanism 2.01 and the second polishing wheel mechanism 2.02 rotate reversely and synchronously. Specifically, the first polishing wheel mechanism 2.01 and the second polishing wheel mechanism 2.02 are symmetrically arranged relative to the workpiece, and the polishing wheels 2.26 of the first polishing wheel mechanism 2.01 and the first polishing wheel mechanism 2.01 are respectively abutted to the upper side and the lower side of the workpiece, and meanwhile, the two sides of the workpiece are polished, so that the polishing efficiency is improved. Since the threaded spindles 2.12 of the first buffing wheel mechanism 2.01 and the second buffing wheel mechanism 2.02 are reversed, the two buffing wheels 2.26 are simultaneously close to or far away from the workpiece when the height of the buffing wheel 2.26 on the buffing wheel mechanism 2 is adjusted.

In a preferred embodiment, a second transmission assembly 2.13 is connected between the screw 2.12 of the first buffing wheel mechanism 2.01 and the screw 2.12 of the second buffing wheel mechanism 2.02, and a fourth motor 2.11 is connected to the screw 2.12 of the first buffing wheel mechanism 2.01. Specifically, the screw rod 2.12 of the first polishing wheel mechanism 2.01 and the screw rod 2.12 of the second polishing wheel mechanism 2.02 are connected through the second transmission assembly 2.13, so that the use of the fourth motor 2.11 can be reduced, that is, one fourth motor 2.11 simultaneously drives the screw rods 2.12 of the first polishing wheel mechanism 2.01 and the second polishing wheel mechanism 2.02 to rotate, so that high synchronization is realized, and the problem that when one polishing wheel 2.26 is polished, the polishing effect is influenced by poor contact between the other polishing wheel 2.26 and a workpiece due to errors is avoided. The second transmission assembly 2.13 is preferably a gear engagement transmission, and in practical applications, may also be a transmission structure such as a synchronous belt transmission, a chain transmission, or the like.

In another preferred embodiment, the first buffing wheel mechanism 2.01 and the screw rod 2.12 of the second buffing wheel mechanism 2.02 are connected into a whole, the screw thread of the screw rod 2.12 arranged at one end of the first buffing wheel mechanism 2.01 is opposite to the screw thread arranged at one end of the second buffing wheel mechanism 2.02, and the fourth motor 2.11 is connected at one end of the screw rod 2.12. By combining the screw rods 2.12 of the first polishing wheel mechanism 2.01 and the second polishing wheel mechanism 2.02 into one and reversing the threads at the two ends, the use of the fourth motor 2.11 can be reduced, so that the polishing wheels 2.26 of the first polishing wheel mechanism 2.01 and the second polishing wheel mechanism 2.02 are highly synchronous.

Referring to fig. 4, in a preferred embodiment, the frame 1 comprises a base plate 1.1 and a vertical column 1.2 cut from a square bar, and a first buffing wheel mechanism 2.01 and a second buffing wheel mechanism 2.02 are fixed to the vertical column 1.2. Wherein, elevation structure 2.1 is installed inside stand 1.2, and the stand 1.2 side is equipped with the bar hole, and the slider on elevation structure 2.1's lead screw 2.12 passes this bar hole and connecting plate 2.21 fixed connection for compact structure reduces area.

Referring to fig. 1 and 2, in a preferred embodiment, there are two columns 1.2, and the two columns 1.2 and the buffing wheel mechanism 2 connected to the columns 1.2 are symmetrically arranged. Namely, in this embodiment, the four first polishing wheel mechanisms 2.01 are simultaneously arranged, so that the area for polishing the surface of the workpiece simultaneously is increased, and the polishing efficiency is improved. In practical application, a smooth wheel mechanism can be added properly to improve the polishing efficiency of the workpiece.

Referring to fig. 6, 7 and 8, in a preferred embodiment, the work platform 3 includes a base 3.9 and a work table 3.3 slidably connected to the base 3.9, and a second driving assembly 3.01 for driving the work table 3.3 to move is connected between the base 3.9 and the work table 3.3. Preferably, the second driving assembly 3.01 includes a fifth motor 3.4 fixed on the working table 3.3, a first gear 3.10 fixed on an output shaft of the fifth motor 3.4, and a first rack 3.2 fixed on the base 3.9, wherein the first gear 3.10 is engaged with the first rack 3.2, and the first rack 3.2 is arranged longitudinally. The first gear 3.10 is driven to rotate by a fifth motor 3.4 so that it moves along the first rack 3.2. In other words, since the fifth motor 3.4 is fixed on the working platform 3.3, the first gear 3.10 rotates to drive the working platform 3.3 to move along the first rack 3.2.

Preferably, in order to improve the stability of the worktable 3.3 during movement, the base 3.9 is connected with the worktable 3.3 through a second linear guide rail 3.1, and the second linear guide rail 3.1 is parallel to the first rack 3.2. The slide rail of the second linear guide rail 3.1 is fixed on the base 3.9, and the slide block is fixed on the bottom surface of the workbench 3.3.

In a preferred embodiment, a fixture 4 is fixed to the table 3.3. The fixture jig 4 comprises a first support frame 4.1 and a second support frame 4.2 which are fixed on a workbench 3.3, the upper end of the first support frame 4.1 is rotatably connected with a first thimble 4.5, one end of the first thimble 4.5 far away from the second support frame is connected with a second motor 4.3, and the second motor 4.3 is fixed on the first support frame 4.1; the upper end of the second support frame 4.2 is slidably and rotatably connected with a second thimble 4.6, one end of the second thimble 4.6 far away from the first support frame is connected with a telescopic cylinder 4.7, and the telescopic cylinder 4.7 is fixed on the second support frame 4.2; the first thimble 4.5 and the second thimble 4.6 are on the same straight line. When a workpiece is installed, the workpiece is arranged between the first ejector pin 4.5 and the second ejector pin 4.6, then the telescopic cylinder 4.7 is controlled to drive the second ejector pin 4.6 to move, clamping of the workpiece is achieved, and when the workpiece is disassembled, the workpiece is disassembled and assembled conveniently. When the shaft workpiece is polished, the first ejector pin 4.5 is provided with the locking screw, so that the workpiece is fixed on the first ejector pin 4.5, the workpiece and the first ejector pin 4.5 are prevented from rotating relatively, the first ejector pin 4.5 is driven to rotate through the second motor 4.3, the workpiece is driven to rotate, the whole surface of the workpiece is polished, and the polishing efficiency is improved.

In a preferred embodiment, the first thimble 4.5 and the second thimble 4.6 are provided with a plurality of needles, and all the first thimbles 4.5 and all the second thimbles 4.6 are arranged on the same plane; the first thimble 4.5 is in transmission connection with the second motor 4.3 through a third transmission assembly 4.4, in this embodiment, the third transmission assembly 4.4 is preferably in gear transmission, but in practical application, it may also be in a synchronous belt transmission structure. Therefore, a plurality of shaft parts can be installed at the same time, namely, a plurality of shaft parts can be polished at the same time. When the workpiece is plate-shaped, all the first ejector pins 4.5 and all the second ejector pins 4.6 are used for clamping the workpiece, so that the stability of the workpiece is improved, and the workpiece is prevented from shaking.

Preferably, when the polishing machine is used for polishing the surface of a shaft-type workpiece, one end of the first ejector pin 4.5 and one end of the second ejector pin 4.6, which are used for being connected with the workpiece, are set to be sleeve-shaped, two ends of the workpiece are respectively inserted into the first ejector pin 4.5 and the second ejector pin 4.6, and the workpiece is locked through a locking screw. Therefore, the workpiece is positioned very accurately, namely, the distance between the workpiece and the polishing wheels 2.26 of the first polishing wheel mechanism 2.01 and the second polishing wheel mechanism 2.02 is consistent, when the workpiece is polished, the polishing wheels 2.26 of the first polishing wheel mechanism 2.01 and the second polishing wheel mechanism 2.02 can be used for uniformly polishing the surface of the workpiece at the same time, and the polishing precision is high; the inconsistent contact pressure of each polishing wheel 2.26 to the workpiece, which causes inconsistent polishing precision, is avoided.

In a preferred embodiment, the first support frame 4.1 and the second support frame 4.2 are in an inverted L shape, and the first thimble 4.5 and the second thimble 4.6 are both arranged at positions where the upper ends extend outwards, so that when the first support frame 4.1 and the second support frame 4.2 enter the position of the polishing wheel 2.26 under the driving of the workbench 3.3, the first support frame 4.1 and the second support frame 4.2 do not collide with the polishing wheel 2.26, and the safety is improved.

In a preferred embodiment, a sliding table 3.8 is slidably connected to the workbench 3.3, a third driving assembly 3.02 is arranged between the sliding table 3.8 and the workbench 3.3, the first supporting frame 4.1 is fixed at one end of the workbench 3.3, and the second supporting frame 4.2 is fixed on the sliding table 3.8. Preferably, the third driving assembly 3.02 includes a sixth motor 3.5 fixed on the working platform 3.3, a second gear fixed on an output shaft of the sixth motor 3.5, and a second rack 3.6 fixed on the base 3.9, wherein the second gear is engaged with the second rack 3.6, and the second rack 3.6 is arranged longitudinally. Concretely, drive second gear through sixth motor 3.5 and rotate for slip table 3.8 removes along the direction of second rack 3.6, because first support frame 4.1 is fixed in the one end of workstation 3.3, second support frame 4.2 is fixed on slip table 3.8, consequently reach the distance between first support frame 4.1 and the second support frame 4.2 of adjusting, make its installation that is fit for the work piece of different length, improve the application size range of this anchor clamps tool 4 to the work piece.

In a preferred embodiment, a third linear guide 3.7 is arranged between the sliding table 3.8 and the workbench 3.3, the third linear guide 3.7 is parallel to the second rack 3.6, i.e. the sliding rail of the third linear guide 3.7 is fixed on the top surface of the workbench 3.3 and is parallel to the second rack 3.6, and the sliding block of the third linear guide 3.7 is fixed on the bottom surface of the sliding table 3.8 and is matched with the sliding rail of the third linear guide 3.7, so that the sliding table 3.8 is limited to move only along the third linear guide 3.7, and the moving precision of the sliding table 3.8 is improved.

In the application of the polishing machine, when a workpiece is polished, the third driving component 3.02 drives the workbench 3.3 to move, so that the workpiece moves at the position of the polishing wheel 2.26, and the polishing of the surface of the workpiece is realized by combining the rotation of the polishing wheel 2.26. According to actual needs, the workpiece can be driven to rotate by the second motor 4.3, and the sliding plate 2.28 is driven to reciprocate by the first driving component 2.4, so that the polishing wheel 2.26 can make an oscillating motion on the surface of the workpiece, and the polishing effect is improved.

In the invention, the polishing wheel 2.26 and the sliding plate 2.28 fixed by the first motor 2.27 for driving the polishing wheel 2.26 to rotate are driven by the first driving component 2.4 through the sliding plate 2.28, the sliding plate 2.28 can move along the guide column 2.23, when in use, the first driving component 2.4 drives the sliding plate 2.28 to move transversely, so that the polishing wheel 2.26 can rotate on the surface of a workpiece to polish and simultaneously move transversely with the workpiece, thereby improving the polishing effect; and the work piece is fixed on the anchor clamps tool 4 of work platform 3 through first thimble 4.5 and second thimble 4.6 to utilize second motor 4.3 drive work piece to rotate, make once press from both sides dress work piece, can be to the whole processing in surface of work piece, improved polishing effect simultaneously.

The burnishing machine is equipped with a plurality of polishing wheel mechanisms 2 for can polish work piece surface simultaneously by a plurality of polishing wheels 2.26, improve work efficiency, and a plurality of polishing wheel mechanisms 2 can synchronous regulation, and the work piece is fixed a position and is fixed through first thimble 4.5 and second thimble 4.6, improves its position precision, makes the polishing efficiency and the polishing effect of improvement to the work piece.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other suitable relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

It should be understood that equivalents and modifications of the technical solution and inventive concept thereof may occur to those skilled in the art, and all such modifications and alterations should fall within the protective scope of the present invention.

Claims

1. A polishing machine comprises a rack, a polishing wheel mechanism and a working platform, and is characterized in that the polishing wheel mechanism comprises a lifting structure fixed on the rack, a polishing wheel assembly is fixed on the lifting structure, and the lifting structure drives the polishing wheel assembly to lift; the polishing wheel assembly comprises a connecting plate, guide columns are transversely arranged on the connecting plate, two ends of each guide column are fixed on the connecting plate, the middle of each guide column is connected with a sliding plate in a sliding mode, the sliding plate is connected with a first driving assembly for driving the sliding plate to slide, the first driving assembly is fixed on the connecting plate, a first motor is fixed on one end face, far away from the guide columns, of the sliding plate, and an output shaft of the first motor is connected with a polishing wheel; the working platform comprises a base and a working platform which is connected to the base in a sliding manner, a second driving assembly for driving the working platform to move is connected between the base and the working platform, and a clamp jig is fixed on the working platform; the fixture jig comprises a first support frame and a second support frame which are fixed on the workbench, the upper end of the first support frame is rotatably connected with a first ejector pin, one end of the first ejector pin, which is far away from the second support frame, is connected with a second motor, and the second motor is fixed on the first support frame; the upper end of the second support frame is slidably and rotatably connected with a second thimble, one end of the second thimble far away from the first support frame is connected with a telescopic cylinder, and the telescopic cylinder is fixed on the second support frame; the first thimble and the second thimble are in the same straight line.

2. The polishing machine of claim 1 wherein the output shaft of the first motor is coupled to a first drive assembly, the first drive assembly is coupled to a first shaft at an end remote from the first motor, the first shaft is coupled to the slide plate via a bearing block, and the polishing wheel is secured to an end of the first shaft remote from the first drive assembly.

3. The polishing machine as claimed in claim 2, wherein the first driving assembly includes a third motor fixed on the connecting plate, a crank fixed on an output shaft of the third motor, a connecting rod rotatably connected to an eccentric position of the crank, and the other end of the connecting rod is hinged or rotatably connected to the sliding plate.

4. The polishing machine according to claim 1, wherein the lifting structure comprises a fourth motor fixed on the frame, and a screw rod fixedly connected with an output shaft of the fourth motor and with two ends rotatably connected to the frame, and the middle part of the screw rod is in threaded connection with the connecting plate.

5. The polishing machine of claim 1 wherein the polishing wheel mechanism comprises a first polishing wheel mechanism and a second polishing wheel mechanism, the first polishing wheel mechanism being disposed directly above the second polishing wheel mechanism; the screw rods of the first polishing wheel mechanism and the second polishing wheel mechanism rotate reversely and synchronously.

6. The polishing machine according to claim 5, wherein a second transmission assembly is connected between the screw rod of the first polishing wheel mechanism and the screw rod of the second polishing wheel mechanism, and a fourth motor is connected to the screw rod of the first polishing wheel mechanism.

7. The polishing machine according to claim 5, wherein the lead screw of the first polishing wheel mechanism and the lead screw of the second polishing wheel mechanism are connected into a whole, and the screw thread of the lead screw arranged at one end of the first polishing wheel mechanism is opposite to the screw thread arranged at one end of the second polishing wheel mechanism, and the fourth motor is connected at one end of the lead screw.

8. The polishing machine of claim 5 wherein the frame includes a base and a post cut from the square bar, the first and second buffing wheel mechanisms being connected to the post.

9. The polishing machine according to claim 1, wherein a plurality of first ejector pins and a plurality of second ejector pins are arranged, and all the first ejector pins and all the second ejector pins are arranged on the same plane; the first ejector pin is in transmission connection with the second motor.

10. The polishing machine according to claim 9, wherein a sliding table is slidably connected to the worktable, a third driving assembly is arranged between the sliding table and the worktable, the first supporting frame is fixed at one end of the worktable, and the second supporting frame is fixed on the sliding table.