Double polishing machine with quick braking structure

Abstract

The utility model relates to the technical field of brake structures, in particular to a double polishing machine with a quick brake structure, which comprises a frame, a hemispherical seat, a limit arc block, a connecting block, a main shaft, a connecting rod, a polishing disc, a motor, a connecting disc, a gear ring, a gear and an auxiliary shaft. According to the glass polishing machine, through the arrangement of the double-polishing-disc structure, the motor is used for driving the main shaft and the auxiliary shaft, simultaneous rotation of the two polishing discs is achieved, glass is efficiently polished, and the polishing efficiency is improved; through the arrangement of the connecting mechanism and the inertia rotation design, when the motor is turned off, the semi-spherical base and the auxiliary shaft continue to rotate through inertia, one grinding disc can continue to polish glass, and therefore the energy conversion rate of the motor is increased.

Description

TECHNICAL FIELD

[0001] The utility model relates to brake structure technical field, concretely is a double polishing machine with quick brake structure. BACKGROUND

[0002] Glass polishing is a method of increasing the smoothness of glass surface. The more commonly used methods are: (1) flame polishing: after the glass is heated and softened, it shrinks due to surface tension, making the surface smooth. Molten metal can also be used to achieve the same effect; (2) chemical polishing: after the glass is treated with hydrofluoric acid, a new surface is formed to achieve the required smoothness and transparency; (3) cold processing: using a suspension of very fine polishing materials such as red iron oxide, cerium oxide, or diamond powder paste to rub the glass surface on a polishing machine to make it smooth and beautiful. It is used in the processing of polished glass, mirror surface, lens and art products. When polishing glass, a polishing machine is needed, and a quick brake structure is needed for the polishing disc on the polishing machine.

[0003] In the prior art, the existing glass processing double polishing machine polishing disc quick brake structure, when the motor is suddenly turned off, the polishing disc on the motor will also stop immediately, so that the polishing disc cannot continue to rotate and polish the surface of the glass by using the residual force, and the conversion efficiency of the motor is not high. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a double polishing machine with quick brake structure to solve the problems raised in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a double polishing machine with quick brake structure, comprising: a rack, characterized in that: a hemispherical seat is rotatably installed on one side of the middle part of the rack, limit arc blocks are fixedly arranged symmetrically on the inner ring surface of the hemispherical seat, each limit arc block is fixedly connected with a link block at the head and tail, a concave arc surface is formed in the inner side of the link block, a main shaft is rotatably sleeved at the hemispherical seat shaft position, a link rod is rotatably installed on the main shaft, a link ball is fixedly connected to one end of the link rod, a limiting assembly is arranged at the other end of the link rod, a polishing disc is fixedly sleeved at the top of the main shaft, and a motor is fixedly connected to the bottom end of the main shaft.

[0006] A connecting disc is fixedly connected to the upper surface of the hemispherical seat, a gear ring is fixedly connected to the outer ring surface of the connecting disc, a transmission is meshed between one side of the gear ring and a gear, a countershaft is fixedly sleeved in the gear, the countershaft is rotatably sleeved on the other side of the middle part of the rack, and a polishing disc is fixedly sleeved at the top of the countershaft.

[0007] Preferably, the bottom surface of the rack is fixedly connected with the motor, the output end of the motor is fixedly connected with the bottom end of the main shaft, a limiting column is rotatably sleeved on the outer ring surface of the bottom of the main shaft, and the top of the limiting column is fixedly connected with the bottom of the hemispherical seat.

[0008] Preferably, the outer circle surface of the half-ball seat is fixedly connected with a supporting ring, and a plurality of supporting columns are arranged in an array on the lower surface of the supporting ring, and a plurality of rolling balls are movably connected to the bottom of the supporting columns.

[0009] Preferably, the rolling balls are movably connected to the arc-shaped grooves formed on the upper surface of the bottom of the rack, and the bottom of the supporting column is slidably connected to the upper surface of the bottom of the rack.

[0010] Preferably, the connecting rod is rotatably connected to the main shaft through a limiting pin, the limiting assembly comprises a sliding sleeve, the bottom of the sliding sleeve is fixedly connected to a connecting seat, the connecting seat is rotatably connected to one end of a connecting rod through a long pin shaft, the other end of the connecting rod is rotatably connected to the connecting rod through a short pin shaft, and the sliding sleeve and the connecting seat are slidably sleeved on the main shaft.

[0011] Preferably, the connecting ball is slidably connected to the half-ball seat, the limiting arc block and the concave arc surface, the main shaft is rotatably sleeved on the upper and lower sides of the auxiliary shaft, the other end of the limiting frame is fixedly connected to the side of the rack, and the top of the rack is fixedly connected with a cover.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1. The double polishing disc structure is provided, the main shaft and the auxiliary shaft are driven by the motor, the two polishing discs are rotated at the same time, the glass is efficiently polished, and the polishing efficiency is improved.

[0014] 2. The connecting mechanism and the inertia rotation design are provided, when the motor is turned off, the half-ball seat and the auxiliary shaft continue to rotate by inertia, one of the polishing discs can continue to polish the glass, and the motor energy conversion rate is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole structure schematic view of the utility model;

[0016] Figure 2 It is a whole structure bottom view schematic view of the utility model;

[0017] Figure 3 It is an internal structure top view schematic view of the utility model;

[0018] Figure 4 It is an internal structure bottom view schematic view of the utility model.

[0019] In the figure: 1, rack; 2, hemispherical seat; 3, limit arc block; 4, link block; 5, concave arc surface; 6, main shaft; 7, link rod; 8, link ball; 9, polishing disc; 10, connecting disc; 11, gear ring; 12, gear; 13, auxiliary shaft; 14, motor; 15, limit column; 16, support ring; 17, support column; 18, ball; 19, arc-shaped groove; 20, sliding sleeve; 21, connecting seat; 22, connecting rod; 23, limit frame; 24, cover. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme of the utility model to carry out clearly, complete description, and the advantage is more clear and distinct, the following combining with the figure to the utility model embodiment carries out further detailed explanation.Should understand, the specific embodiment described here is a part of the embodiment of the utility model, instead of all the embodiments, only to explain the embodiment of the utility model, and is not used to limit the embodiment of the utility model, all other embodiments obtained by the ordinary skill in the art without making the creative labor belongs to the scope of the protection of the utility model.

[0021] Embodiment one: please refer to Figures 1-4 The utility model provides a kind of technical scheme: a double throwing machine with quick brake structure, comprising: rack 1, rack 1 is as the main body support of entire device, one side rotation is installed with hemispherical seat 2 in the middle part of rack 1, hemispherical seat 2 inner circle surface is fixedly arranged with limit arc block 3 symmetrically, every limit arc block 3 head end is fixedly connected with link block 4, recessed arc surface 5 is set up in the inner side of link block 4, link block 4 is fixedly connected with the inner circle surface of hemispherical seat 2 and is about hemispherical seat 2 symmetrically arranged, main shaft 6 is rotationally sleeved in the axial position of hemispherical seat 2, rotationally connected between main shaft 6 and hemispherical seat 2, link rod 7 is rotationally installed on main shaft 6, link rod 7 one end is fixedly connected with link ball 8, link rod 7 other end is provided with limit component, limit component is set to limit link rod 7, so that it can rotate on main shaft 6, polishing disc 9 is fixedly sleeved in the top of main shaft 6, motor 14 is fixedly connected with the bottom end of main shaft 6, polish glass by the rotation of polishing disc 9, connecting disc 10 is fixedly connected with the upper surface of hemispherical seat 2, so as to drive connecting disc 10 to rotate simultaneously while hemispherical seat 2 rotates, gear ring 11 is fixedly connected with the outer circle surface of connecting disc 10, gear ring 11 one side is engaged with gear 12 transmission, gear 12 is fixedly sleeved in auxiliary shaft 13, auxiliary shaft 13 is rotationally sleeved in the middle part of rack 1 other side, limit gear 12 through auxiliary shaft 13, auxiliary shaft 13 top rotationally sleeved in rack 1 top and bottom and fixedly sleeved with polishing disc 9.

[0022] The rack 1 is the main body of the whole device, supports the whole device, drives the main shaft 6 to move through the motor 14, and the main shaft 6 rotates under the limiting of the rack 1 and the hemispherical seat 2, so as to drive the polishing disc 9 at the top of the main shaft 6 to rotate. After the motor 14 drives the main shaft 6 to start from the static state, the rotating speed is very fast, so that the connecting rod 7 rotatingly installed on the main shaft 6 moves under the centrifugal force, the connecting rod 7 moves away from the axis of the main shaft 6 under the limiting of the limiting assembly, that is, the connecting rod 7 moves close to the surface of the hemispherical seat 2, the connecting rod 7 drives the connecting ball 8 to slide between the hemispherical seat 2 and the limiting arc block 3, until the connecting rod 7 drives the connecting ball 8 to be clamped in the concave arc surface 5 of the connecting block 4, and then the hemispherical seat 2 is driven to rotate as a whole under the clamping action of the connecting ball 8, the hemispherical seat 2 drives the gear ring 11 to rotate through the connecting disc 10, the gear ring 11 is engaged with the gear 12, the gear 12 drives the polishing disc 9 fixedly connected to the top of the auxiliary shaft 13 through the auxiliary shaft 13 fixedly sleeved in the gear 12, and then the rotation of the two polishing discs 9 polishes the glass. When the motor 14 is turned off, the main shaft 6 suddenly stops rotating, due to the reduction of the centrifugal force, the connecting rod 7 rotatingly installed on the main shaft 6 is retracted to the axis of the main shaft 6, then the connecting ball 8 is separated from the concave arc surface 5, and then the polishing disc 9 fixedly installed at the top of the main shaft 6 stops rotating, while the polishing disc 9 on the auxiliary shaft 13 continues to rotate under the action of inertia, so that the energy conversion rate of the motor 14 is improved.

[0023] In the embodiment one, the bottom lower surface of the rack 1 is fixedly connected with the motor 14, the motor 14 is electrically connected with an external control device, the output end of the motor 14 is fixedly connected with the bottom end of the main shaft 6, the bottom outer circle surface of the main shaft 6 is rotatably sleeved with the limiting column 15, the top of the limiting column 15 is fixedly connected with the bottom of the hemispherical seat 2, the limiting column 15 supports the bottom of the hemispherical seat 2, the limiting column 15 and the bottom end of the main shaft 6 are rotatably sleeved in the bottom of the rack 1, the outer circle surface of the hemispherical seat 2 is fixedly connected with the supporting ring 16, the lower surface of the supporting ring 16 is circumferentially arranged with the supporting columns 17, the bottom of the supporting column 17 is movably clamped with the ball 18, the main shaft 6 is rotatably sleeved in the rack 1, the ball 18 is movably clamped in the arc-shaped groove 19 formed in the upper surface of the bottom of the rack 1, and the bottom of the supporting column 17 is slidably connected with the upper surface of the bottom of the rack 1. In the rotating process of the hemispherical seat 2, in order to improve the stability of the rotation, the rotating connection between the supporting column 17 at the bottom of the hemispherical seat 2 and the rack 1 is used to limit the rotating process, meanwhile, the hemispherical seat 2 drives the supporting ring 16 to synchronously rotate, the bottom of the supporting ring 16 is slidably connected with the arc-shaped groove 19 through the ball 18, so as to improve the smoothness of the hemispherical seat 2 in the movement process, and on the other hand, the circumferential arrangement of the supporting column 17 and the supporting ring 16 further improves the stability of the hemispherical seat 2 in the rotating process, so as to improve the stability of the engagement between the gear ring 11 and the gear 12.

[0024] The connecting rod 7 is rotatably connected with the main shaft 6 through a limiting pin. The limiting assembly comprises a sliding sleeve 20, the bottom of the sliding sleeve 20 is fixedly connected with a connecting seat 21, both ends of the connecting seat 21 are rotatably connected with one end of a connecting rod 22 through long pin shafts, the other end of the connecting rod 22 is rotatably connected with the connecting rod 7 through a short pin shaft, the sliding sleeve 20 and the connecting seat 21 are slidably sleeved on the main shaft 6, the connecting ball 8 is slidably connected with the half ball seat 2, the limiting arc block 3 and the concave arc surface 5, the upper and lower sides of the auxiliary shaft 13 are rotatably sleeved at one end of a limiting frame 23, the upper and lower sides of the auxiliary shaft 13 are provided with bearing seats, and the auxiliary shaft 13 is rotatably installed in the bearing seats, so that the stability of the rotation of the auxiliary shaft 13 is guaranteed, the other end of the limiting frame 23 is fixedly connected with the side of the rack 1, the limiting frame 23 further avoids shaking of the auxiliary shaft 13 in the rotation process, and the top upper surface of the rack 1 is fixedly connected with a baffle cover 24. Through the baffle cover 24, the polished debris can be blocked, and the splashing of the debris is reduced.

[0025] In actual use, the motor 14 is started by an external control device, and the motor 14 drives the main shaft 6 fixedly connected to the output end to rotate, and the main shaft 6 drives the polishing disc 9 fixedly connected to the top to rotate under the limiting support of the frame 1. When the motor 14 is started, the rotating speed is very fast, and the centrifugal force drives the connecting rod 7 rotatingly installed on the main shaft 6 to drive the connecting ball 8 to move. The one end of the connecting rod 7 connected to the connecting ball 8 moves away from the axis of the main shaft 6, i.e. approaches the surface of the hemispherical seat 2. The one end of the connecting rod 7 provided with the connecting seat 21 drives the sliding sleeve 20 to slide downward through the rotating cooperation between the connecting rod 22, the long pin shaft and the short pin shaft, and then drives the connecting ball 8 to slide between the hemispherical seat 2 and the limiting arc block 3, until the connecting rod 7 drives the connecting ball 8 to be clamped in the concave arc surface 5 of the connecting block 4, and then drives the hemispherical seat 2 to rotate as a whole under the clamping action of the connecting ball 8. In the rotating process of the hemispherical seat 2, in order to improve the stability of the rotation, the support column 17 at the bottom of the hemispherical seat 2 is rotatably connected with the frame 1 to limit the rotation, and the support ring 16 is synchronously rotated with the hemispherical seat 2. The bottom of the support ring 16 is slidably connected with the arc-shaped groove 19 through the ball 18, thereby improving the smoothness of the hemispherical seat 2 in the movement process, and further improving the stability of the hemispherical seat 2 in the rotating process through the circumferential array arrangement of the support column 17 and the support ring 16. The hemispherical seat 2 drives the gear ring 11 to rotate through the connecting disc 10, and the gear ring 11 is immediately engaged with the gear 12. The gear 12 drives the polishing disc 9 fixedly connected to the top of the auxiliary shaft 13 through the auxiliary shaft 13 fixedly sleeved in the gear 12 to rotate, and then polishes the glass through the rotation of the two polishing discs 9. When the motor 14 is turned off, the main shaft 6 suddenly stops rotating, the connecting seat 21 and the sliding sleeve 20 move upward along the main shaft 6 under the rotating connection of the connecting rod 22, the connecting rod 7 rotatingly installed on the main shaft 6 is retracted to the axis of the main shaft 6, and then the connecting ball 8 is separated from the concave arc surface 5, and the polishing disc 9 fixedly installed on the top of the main shaft 6 stops rotating, and the hemispherical seat 2 separated from the connecting ball 8 continues to rotate under the action of inertia, so that the polishing disc 9 on the auxiliary shaft 13 also continues to rotate under the action of inertia, and the glass continues to be polished, thereby improving the energy conversion rate of the motor 14.

[0026] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A double casting machine with quick braking structure comprising a frame (1), characterized in that: The middle part of the frame (1) is rotatably connected with a hemispherical seat (2), and a limiting arc block (3) is symmetrically arranged on the inner ring surface of the hemispherical seat (2). The head and tail of each limiting arc block (3) is fixedly connected with a connecting block (4), and a concave arc surface (5) is arranged on the inner side of the connecting block (4). A main shaft (6) is rotatably arranged on the axis of the hemispherical seat (2), and a connecting rod (7) is rotatably arranged on the main shaft (6). The one end of the connecting rod (7) is fixedly connected with a connecting ball (8), and the other end of the connecting rod (7) is provided with a limiting assembly. A grinding disc (9) is fixedly arranged on the top of the main shaft (6), and a motor (14) is fixedly connected to the bottom end of the main shaft (6). The upper surface of the hemispherical seat (2) is fixedly connected with a connecting disc (10), and the outer ring surface of the connecting disc (10) is fixedly connected with a gear ring (11). The gear ring (11) is meshed with a gear (12) on one side, and the gear (12) is fixedly sleeved with a secondary shaft (13). The secondary shaft (13) is rotatably arranged on the other side of the middle part of the frame (1), and the top of the secondary shaft (13) is fixedly sleeved with a grinding disc (9).

2. The double throwing switch with quick brake structure according to claim 1, characterized in that: The bottom surface of the frame (1) is fixedly connected with the motor (14), the output end of the motor (14) is fixedly connected with the bottom end of the main shaft (6), and the outer ring surface of the bottom of the main shaft (6) is rotatably sleeved with a limiting column (15). The top of the limiting column (15) is fixedly connected with the bottom of the hemispherical seat (2).

3. The double throw switch with quick brake structure according to claim 2, characterized in that: The outer ring surface of the hemispherical seat (2) is fixedly connected with a supporting ring (16), and the lower surface of the supporting ring (16) is circumferentially arranged with a supporting column (17). The bottom of the supporting column (17) is movably connected with a ball (18), and the main shaft (6) is rotatably arranged in the frame (1).

4. The double throw switch with quick brake structure according to claim 3, characterized in that: The ball (18) is movably connected in the arc-shaped groove (19) formed on the upper surface of the bottom of the frame (1), and the bottom of the supporting column (17) is slidably connected with the upper surface of the bottom of the frame (1).

5. The double throw switch with quick brake structure according to claim 1, characterized in that: The connecting rod (7) is rotatably connected with the main shaft (6) through a limiting pin, and the limiting assembly comprises a sliding sleeve (20), the bottom of which is fixedly connected with a connecting seat (21). The two ends of the connecting seat (21) are rotatably connected with one end of a connecting rod (22) through a long pin shaft, and the other end of the connecting rod (22) is rotatably connected with the connecting rod (7) through a short pin shaft. The sliding sleeve (20) and the connecting seat (21) are slidably sleeved on the main shaft (6).

6. The double throw switch with quick brake structure according to claim 1, characterized in that: The connecting ball (8) is slidably connected with the hemispherical seat (2), the limiting arc block (3) and the concave arc surface (5). The secondary shaft (13) is rotatably sleeved on the limiting frame (23) at the upper and lower sides, and the other end of the limiting frame (23) is fixedly connected with the side of the frame (1). The top of the frame (1) is fixedly connected with a cover (24).

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