CN112338709B

CN112338709B - Workpiece polishing device

Info

Publication number: CN112338709B
Application number: CN202011095692.4A
Authority: CN
Inventors: 韩光明
Original assignee: Beijing Dafeng Taihao Environmental Protection Engineering Co ltd
Current assignee: BEIJING DAFENG TAIHAO ENVIRONMENTAL PROTECTION ENGINEERING Co.,Ltd.
Priority date: 2020-10-14
Filing date: 2020-10-14
Publication date: 2021-09-21
Anticipated expiration: 2040-10-14
Also published as: CN112338709A

Abstract

The invention discloses a workpiece polishing device, which relates to the field of workpiece polishing, wherein a clamping and rotating mechanism is used for directly overturning the upper surface of a workpiece after polishing the upper surface of the workpiece, polishing the lower surface of the workpiece, and utilizing the detection of a distance sensor to enable a movable table top to be matched and adjusted, so that even if workpieces with different heights are polished, a clamping point of the workpiece is always positioned at a position close to the middle part, the clamping stability is higher, meanwhile, the clamping and rotating mechanism is also convenient for the installation and the disassembly of a telescopic motor, and only the telescopic motor is required to be placed in an internal tooth clamping groove, so that an external tooth ring is matched with the internal tooth clamping groove; the detachable replacement tooth cylinder is utilized, the number of tooth grooves meshed with the external gear can be changed, so that the telescopic motor has different rotating angles under the same rotating number of turns of the rotating motor, the turning angle of a workpiece is changed, or the rotating time of the telescopic motor is increased under the same rotating angle of the telescopic motor, and the turning time is adjusted.

Description

Workpiece polishing device

Technical Field

The invention relates to the field of mechanical equipment, in particular to a workpiece polishing device.

Background

Sanding, which is one of the surface modification techniques, generally refers to a process of changing the physical properties of the material surface by friction with the aid of a rough object, mainly for the purpose of obtaining a specific surface roughness. Grinding is used in many applications in various industries, particularly in the machining and manufacturing of metal parts, and is often required.

The prior polishing device generally polishes one side of the workpiece after the workpiece is clamped when polishing the workpiece, then loosens the clamp, and manually turns over the workpiece, and then continues to clamp and polish the other side of the workpiece.

Disclosure of Invention

The present invention is directed to a workpiece polishing device to solve the above problems.

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

a workpiece polishing device comprises a working table surface, a telescopic table, a polishing head and a pair of clamping and rotating mechanisms; an operation hole is formed in the middle of the upper end of the working table, the telescopic table is located in the operation hole, and two pairs of supporting legs are symmetrically arranged at the lower end of the working table; the polishing head is positioned right above the telescopic table; the pair of clamping rotating mechanisms are correspondingly distributed on two sides of the telescopic table and comprise mounting seats, transmission blocks, telescopic motors and rotating motors; the mounting seat is fixedly connected to the upper end of the working table, and a rotating groove is formed in the side surface of the mounting seat; one end of the transmission block is inserted into the rotating groove, the outer end of the transmission block is fixedly connected with a limiting ring close to the mounting seat, a first limiting groove of an annular structure is formed in the inner wall of the rotating groove, and the limiting ring is connected in the first limiting groove in a sliding mode; the side end of the transmission block is provided with an internal tooth clamping groove, the outer end of the telescopic motor is fixedly connected with an outer gear ring, the outer gear ring is clamped in the internal tooth clamping groove, and the output end of the telescopic motor is fixedly connected with a clamping block; the rotating electrical machines are placed on the upper end of the working table, the output ends of the rotating electrical machines are connected with the mounting seats in a rotating mode, outer gears are fixedly connected to the outer ends of the output shafts of the rotating electrical machines, outer tooth grooves distributed in an annular mode are formed in the outer side wall of the other end of the transmission block, and the outer gears are connected in the outer tooth grooves in a clamped mode.

Furthermore, the upper end of the movable table top is provided with at least one distance sensor in quantity, and the distance sensor comprises a transmitter and a receiver which are arranged at the middle points of the two sides of the upper end of the movable table top.

Furthermore, flexible platform includes movable table top and stretch and fall the machine, stretches and falls the machine and places subaerial, lies in same water flat line with the supporting leg bottom, stretches and falls the machine and is used for controlling movable table top and reciprocates.

Furthermore, flexible motor is close to the spacing bottom plate of the one end fixedly connected with of inner tooth draw-in groove inner bottom surface, and the second spacing groove that matches with spacing bottom plate is seted up to inner tooth draw-in groove inner bottom end.

Furthermore, a discharging mechanism is arranged on the outer side of the telescopic table, and comprises a peripheral plate, a pair of lower bottom plates, a material guide plate, a material pushing motor and a material pushing plate; the peripheral plate is fixedly connected to the lower end of the working table and is positioned outside the operation hole, and the telescopic table is positioned on the inner side of the peripheral plate; the pair of lower bottom plates are fixedly connected to the lower side of the inner wall of the peripheral plate and distributed on two sides of the telescopic table; the material guide plate is fixedly connected with one lower bottom plate, and a discharge hole is formed in the side surface of the peripheral plate close to the material guide plate; the pushing motor is arranged on the inner side surface of the peripheral plate far away from the guide plate, and the pushing plate is fixedly connected to the output end of the pushing motor.

Furthermore, one side of the pair of lower bottom plates, which is close to each other, is set to be step-shaped, and the height L of the steps is equal to the thickness of the movable table top.

Furthermore, a replacing tooth cylinder is arranged on the outer side of the transmission block, clamping teeth which are distributed annularly are arranged on the inner wall and the outer wall of the replacing tooth cylinder, and the clamping teeth on the inner wall and the outer wall are different in density; the inner wall latch is matched with the outer tooth groove, and the outer latch is meshed with the outer gear.

Compared with the prior art, the invention has the beneficial effects that: according to the polishing device, the clamping and rotating mechanism is arranged, the upper surface of a workpiece is directly overturned after being polished, the lower surface of the workpiece is polished, the movable table top is matched and adjusted through detection of the distance sensor, even if the workpieces with different heights are polished, the clamping point of the workpiece is always located at a position close to the middle part, the clamping stability is high, polishing is facilitated, meanwhile, the clamping and rotating mechanism is convenient to mount and dismount the telescopic motor, and only the telescopic motor is required to be placed in the internal tooth clamping groove, so that the external tooth ring is matched with the internal tooth clamping groove; the detachable replacement tooth cylinder is utilized, the replacement tooth cylinder with different numbers of the outer clamping teeth can be replaced, the tooth groove number meshed with the outer gear is changed, and therefore the telescopic motor has different rotating angles under the same rotating turns of the rotating motor, the overturning angle of a workpiece is changed, or the rotating time of the telescopic motor is prolonged under the same rotating angle of the telescopic motor, and the overturning time is adjusted.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a front sectional view of the present invention.

FIG. 3 is a schematic view of the structure at A in FIG. 2;

FIG. 4 is a side sectional view of the present invention;

FIG. 5 is a schematic front view of the present invention;

FIG. 6 is a schematic side view of the present invention;

FIG. 7 is a schematic structural view of an alternative tooth cylinder of the present invention;

fig. 8 is a block diagram of a controller according to the present invention.

In the figure:

1, a working table surface and 1-1 operation holes;

2, a telescopic table, 21 a movable table top and 22 a lifting machine;

3, polishing head;

4, a clamping rotating mechanism, a 41 mounting seat, a 41-1 rotating groove, a 41-2 first limiting groove, a 42 transmission block part, a 42-1 limiting ring, a 42-2 internal tooth clamping groove, a 42-3 external tooth groove, a 43 telescopic motor, a 43-1 external tooth ring, a 43-2 clamping block, a 43-3 limiting bottom plate, a 44 rotating motor, a 44-1 external gear and a 45 replacement tooth cylinder;

5 a distance sensor;

6 a discharging mechanism, a 61 peripheral plate, a 62 lower bottom plate, a 63 material guide plate, a 64 material pushing motor and a 65 material pushing plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-8, a workpiece polishing device comprises a working table 1, a telescopic table 2, a polishing head 3 and a pair of clamping and rotating mechanisms 4; an operation hole 1-1 is formed in the middle of the upper end of the working table surface 1, the telescopic table 2 is positioned in the operation hole 1-1, and two pairs of support legs are symmetrically arranged at the lower end of the working table surface 1; the polishing head 3 is positioned right above the telescopic table 2, and the upper end of the polishing head 3 is connected to a workpiece polisher in the prior art, which is the prior art and is not described herein; the pair of clamping rotating mechanisms 4 are correspondingly distributed on two sides of the telescopic table 2, and each clamping rotating mechanism 4 comprises a mounting seat 41, a transmission block 42, a telescopic motor 43 and a rotating motor 44; the mounting seat 41 is fixedly connected to the upper end of the working table top 1, and a rotating groove 41-1 is formed in the side surface of the mounting seat 41; one end of the transmission block 42 is inserted into the rotating groove 41-1, the outer end of the transmission block 42 is fixedly connected with a limiting ring 42-1 near the mounting base 41, the inner wall of the rotating groove 41-1 is provided with a first limiting groove 41-2 with an annular structure, and the limiting ring 42-1 is connected in the first limiting groove 41-2 in a sliding manner; the side end of the transmission block 42 is provided with an internal tooth clamping groove 42-2, the outer end of the telescopic motor 43 is fixedly connected with an outer gear ring 43-1, the outer gear ring 43-1 is clamped in the internal tooth clamping groove 42-2, and the output end of the telescopic motor 43 is fixedly connected with a clamping block 43-2; the rotary motor 44 is placed at the upper end of the working table top 1, the output end of the rotary motor 44 is rotatably connected with the mounting base 41, the outer end of the output shaft of the rotary motor 44 is fixedly connected with an outer gear 44-1, the outer side wall of the other end of the transmission block 42 is provided with outer tooth grooves 42-3 which are distributed annularly, the outer gear 44-1 is clamped in the outer tooth grooves 42-3, the rotary motor 44 can adopt a forward and reverse rotation motor, the connection problem of wires of the telescopic motor 43 is considered, and the wires do not need to overcome large torque.

Referring to fig. 1, at least one distance sensor 5 is installed at the upper end of the movable table 21, the distance sensor 5 includes a transmitter and a receiver installed at the middle points of the two sides of the upper end of the movable table 21, and the distance sensor 5 is used for detecting whether the bottom surface of the workpiece reaches the upper end of the movable table 21 and contacts with the movable table 21.

Referring to fig. 2, the retractable table 2 includes a movable table 21 and a lifting machine 22, the lifting machine 22 is placed on the ground and located on the same horizontal line with the bottom end of the supporting leg, and the lifting machine 22 is used for controlling the movable table 21 to move up and down.

Referring to fig. 3, a limit bottom plate 43-3 is fixedly connected to one end of the telescopic motor 43 close to the inner bottom surface of the inner tooth clamping groove 42-2, and a second limit groove matched with the limit bottom plate 43-3 is formed in the inner bottom end of the inner tooth clamping groove 42-2, so that the telescopic motor 43 is not prone to sliding out of the inner tooth clamping groove 42-2 transversely, stable installation of the telescopic motor 43 in the inner tooth clamping groove 42-2 is effectively guaranteed, the telescopic motor 43 can be taken out by overcoming the limit bottom plate 43-3, and maintenance of the telescopic motor 43 is facilitated.

Referring to fig. 4-6, a discharging mechanism 6 is disposed outside the telescopic table 2, and the discharging mechanism 6 includes a peripheral plate 61, a pair of lower base plates 62, a material guiding plate 63, a material pushing motor 64 and a material pushing plate 65; the peripheral plate 61 is fixedly connected with the lower end of the working table surface 1 and is positioned outside the operation hole 1-1, and the telescopic table 2 is positioned inside the peripheral plate 61; the pair of lower bottom plates 62 are fixedly connected to the lower side of the inner wall of the peripheral plate 61 and distributed on two sides of the telescopic table 2, the surfaces of the pair of lower bottom plates 62 close to each other are set to be step-shaped, and the height L of the step is equal to the thickness of the movable table surface 21; the material guide plate 63 is fixedly connected with one lower bottom plate 62, a discharge hole is formed in the side surface of the peripheral plate 61 close to the material guide plate 63, and the material guide plate 63 is obliquely arranged as shown in fig. 4 so as to guide the workpiece to slide out conveniently; the pushing motor 64 is arranged on the inner side surface of the peripheral plate 61 far away from the material guide plate 63, and the pushing plate 65 is fixedly connected with the output end of the pushing motor 64.

Referring to fig. 7, a replacing gear cylinder 45 is arranged outside the transmission block 42, and the inner wall and the outer wall of the replacing gear cylinder 45 are both provided with annularly distributed latches, and the density of the latches on the inner wall and the outer wall is different; the inner wall latch is matched with the outer tooth groove 42-3, the outer latch is meshed with the outer gear 44-1, the number of tooth grooves meshed with the outer gear 44-1 can be changed by additionally arranging the replacing tooth cylinder 45 between the outer tooth groove 42-3 and the outer gear 44-1, so that the telescopic motor 43 has different rotating angles under the same rotating number of turns of the rotating motor 44, or the rotating time duration of the telescopic motor is increased under the same rotating angle of the telescopic motor, and the turn-over time duration is adjusted.

Referring to fig. 8, the polishing device further includes a controller, the controller is connected with an external power supply to supply power, the elevator 22, the telescopic motor 43, the rotating motor 44, and the material pushing motor 64 are all connected with the controller, the controller controls the opening and closing of the elevator, the distance sensor 5 is connected with the controller, the distance sensor 5 is controlled by the controller to open and close, the distance sensor 5 detects information of a workpiece at any time after the distance sensor 5 is opened, when the workpiece is detected, that is, when the receiver does not receive a signal sent by the transmitter, the distance sensor 5 gives a signal to the controller, and the controller controls the elevator 22 to stop moving.

The working principle is as follows: a workpiece to be polished is placed on a movable table top 21, then the controller controls the extension and lowering machine 22 to descend according to the height of the workpiece, the horizontal line where the clamping blocks 43-2 are located is close to the middle position of the workpiece, the extension and lowering machine 43 is controlled to work to drive the clamping blocks 43-2 to approach each other to clamp the workpiece, then the polishing head 3 is controlled to polish the workpiece, after the upper surface of the workpiece is polished, the movable table top 21 is lowered to a preset position through the extension and lowering machine 22, then the rotating motor 44 drives the outer gear 44-1 to rotate, the outer gear 44-1 is meshed with the outer tooth socket 42-3 to drive the rotating block 42 to rotate, and the outer tooth ring 43-1 at the outer end of the extension and lowering machine 43 is meshed with the inner tooth clamping groove 42-2 in the driving block 42 to drive the extension and lowering machine 43 to rotate in the rotating groove 41-1, the pair of telescopic motors 43 synchronously rotate in the same direction to drive the clamped workpiece to turn over, because the clamping point is not necessarily exactly at the middle point of the workpiece during clamping, after the workpiece is turned over, the distance between the bottom of the workpiece and the surface of the working table board 1 can be slightly changed, so that the movable table board 21 is controlled to ascend through the stretching machine 22 after the workpiece is turned over, in the process, the distance sensor 5 and the stretching machine 22 are synchronously started to detect the information of the workpiece constantly, the workpiece is detected by the distance sensor 5, so that whether the workpiece is contacted with the upper end of the movable table board 21 or not is judged, namely, whether the movable table board 21 reaches the bottom end of the workpiece or not is judged, so that the other surface of the workpiece is conveniently polished, after the workpiece is completely polished, the clamping of the workpiece is released, then the movable table board 21 is controlled to descend until the bottom surface is contacted with the lower base plate 62, the upper, the material pushing plate 65 pushes the workpiece to slide out of the material guiding plate 63.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A workpiece polishing device is characterized in that: comprises a working table surface (1), a telescopic table (2), a polishing head (3) and a pair of clamping and rotating mechanisms (4); an operation hole (1-1) is formed in the middle of the upper end of the working table top (1), the telescopic table (2) is located in the operation hole (1-1), and two pairs of supporting legs are symmetrically arranged at the lower end of the working table top (1); the polishing head (3) is positioned right above the telescopic table (2); the pair of clamping rotating mechanisms (4) are correspondingly distributed on two sides of the telescopic table (2), and each clamping rotating mechanism (4) comprises a mounting seat (41), a transmission block (42), a telescopic motor (43) and a rotating motor (44); the mounting seat (41) is fixedly connected to the upper end of the working table top (1), and a rotating groove (41-1) is formed in the side face of the mounting seat (41); one end of the transmission block (42) is inserted into the rotating groove (41-1), a limiting ring (42-1) is fixedly connected to the outer end of the transmission block (42) close to the mounting seat (41), a first limiting groove (41-2) of an annular structure is formed in the inner wall of the rotating groove (41-1), and the limiting ring (42-1) is connected into the first limiting groove (41-2) in a sliding mode; an internal tooth clamping groove (42-2) is formed in the side end of the transmission block (42), an outer gear ring (43-1) is fixedly connected to the outer end of the telescopic motor (43), the outer gear ring (43-1) is clamped in the internal tooth clamping groove (42-2), and a clamping block (43-2) is fixedly connected to the output end of the telescopic motor (43); the rotary motor (44) is placed at the upper end of the working table top (1), the output end of the rotary motor (44) is rotatably connected with the mounting base (41), the outer end of the output shaft of the rotary motor (44) is fixedly connected with an external gear (44-1), the outer side wall of the other end of the transmission block (42) is provided with outer tooth grooves (42-3) which are distributed annularly, and the external gear (44-1) is clamped in the outer tooth grooves (42-3); one end of the telescopic motor (43) close to the inner bottom surface of the inner tooth clamping groove (42-2) is fixedly connected with a limiting bottom plate (43-3), and a second limiting groove matched with the limiting bottom plate (43-3) is formed in the inner bottom end of the inner tooth clamping groove (42-2).

2. A workpiece sharpening device as defined in claim 1, wherein: the telescopic table (2) comprises a movable table top (21) and a lifting machine (22), the lifting machine (22) is placed on the ground and is located on the same horizontal line with the bottom ends of the supporting legs, and the lifting machine (22) is used for controlling the movable table top (21) to move up and down.

3. A workpiece sharpening device as defined in claim 2, wherein: at least one distance sensor (5) is installed to the upper end of activity mesa (21) quantity, and distance sensor (5) include the transmitter and the receiver that set up in activity mesa (21) upper end both sides midpoint department.

4. A workpiece sharpening device as defined in claim 1, wherein: the outer side of the telescopic table (2) is provided with a discharging mechanism (6), and the discharging mechanism (6) comprises a peripheral plate (61), a pair of lower bottom plates (62), a material guide plate (63), a material pushing motor (64) and a material pushing plate (65); the peripheral plate (61) is fixedly connected to the lower end of the working table top (1) and is positioned outside the operation hole (1-1), and the telescopic table (2) is positioned inside the peripheral plate (61); the pair of lower bottom plates (62) are fixedly connected to the lower side of the inner wall of the peripheral plate (61) and distributed on two sides of the telescopic table (2); the material guide plate (63) is fixedly connected with one lower bottom plate (62), and a discharge hole is formed in the side surface, close to the material guide plate (63), of the peripheral plate (61); the pushing motor (64) is arranged on the inner side surface of the peripheral plate (61) far away from the material guide plate (63), and the pushing plate (65) is fixedly connected with the output end of the pushing motor (64).

5. A workpiece sharpening device as defined in claim 4, wherein: one side of the lower bottom plates (62) close to each other is set to be step-shaped, and the height L of the steps is equal to the thickness of the movable table top (21).

6. A workpiece sharpening device as defined in claim 1, wherein: a replacing gear cylinder (45) is arranged on the outer side of the transmission block (42), the inner wall and the outer wall of the replacing gear cylinder (45) are both provided with clamping teeth which are distributed annularly, and the densities of the clamping teeth on the inner wall and the clamping teeth on the outer wall are different; the inner wall latch is matched with the outer tooth groove (42-3), and the outer wall latch is meshed with the outer gear (44-1).