CN207087562U - A grinding device based on the multi-dimensional movement of the grinding disc driven by the motor transmission shaft - Google Patents

Abstract

The utility model provides a grinding device based on a motor drive shaft driving a grinding disc to move in multiple dimensions, including a frame; a U-shaped mounting arm, which is arranged on the frame through a lifting and lowering azimuth moving axis; a fixed base, which is arranged on the frame through a horizontal moving mechanism; a grinding mechanism, which is fixedly mounted on the U-shaped mounting arm, and a variety of grinding discs are placed on the grinding mechanism, and the grinding mechanism can realize left-right grinding work and rotational movement of the grinding disc; and a workpiece fixing device, which is fixedly mounted on the fixed base, and the workpiece fixing device is used to place the workpiece, and can realize rotational movement of the workpiece; the grinding disc of the grinding mechanism performs grinding work on the workpiece of the workpiece fixing device. The utility model can realize six-axis movement, and grind the workpiece in multiple-dimensional movement directions, and because the workpiece fixing device can realize the self-rotation of the workpiece, it can grind the corners of the workpiece, so that the utility model has the characteristics of all-round grinding without dead angles for the workpiece.

Description

A grinding device based on the multi-dimensional movement of the grinding disc driven by the motor drive shaft

technical field

The utility model belongs to the technical field of workpiece grinding devices. Specifically, the utility model relates to a grinding device based on a motor transmission shaft driving a grinding plate to move in multiple dimensions.

Background technique

In the prior art, five-axis machine tools are generally used for processing such as metal or non-metallic engraving, drilling with a diameter of less than 3mm, and metal mobile phone cases. The existing five-axis machine tool includes a frame, The X-axis slide table, the Y-axis slide table, the Z-axis lift table, the A-axis turntable and the C-axis swing arm; the A-axis turntable is installed on the X-axis slide table, and the A-axis turntable passes through the X-axis slide The function of the platform is to translate in the X-axis direction; the X-axis slide table is installed on the Y-axis slide table, and the X-axis slide table is translated in the Y-axis direction through the action of the Y-axis slide table. The axis slide table is fixedly installed on the frame; the C-axis swing arm is installed on the Z-axis lifting platform, and the C-axis swing arm moves up and down in the Z-axis direction through the action of the Z-axis lifting platform; Although the conventional five-axis machine tool is used for processing, the five-axis machine tool can only grind the surface of workpieces such as mobile phone cases, and cannot simultaneously grind the corners of workpieces such as mobile phone cases. and other workpieces to achieve practical multi-dimensional processing.

There are many devices and methods that can realize multi-dimensional grinding in the prior art. For example, the application date is July 22, 2013, the application number is 201310308242.2, and the name is "a six-axis linkage CNC abrasive belt grinder with a horizontal multi-abrasive belt mechanism." "Chinese patent document, which relates to a six-axis linkage CNC abrasive belt grinding machine with a horizontal multi-abrasive belt mechanism, using three rotating or swinging axes A, B, and C to separate the six axes The layout of the linked machine tool; the abrasive belt grinding device only moves in two linear directions perpendicular to the direction of the contact force, and the Z-direction movement and the inertial force of the rotary axis have no effect on the contact force of the abrasive belt mechanism; and the multi-abrasive belt grinding device integrates blades Grinding and polishing molding. The beneficial effects of this Chinese patent document are: by proposing the abrasive belt grinding device separately, it is not compounded with any rotating shaft, thereby eliminating the negative influence of the rotating shaft in the prior art on the grinding movement, and the thickness is extremely small (such as 0.1mm ~ 0.2mm) sheet workpieces can be precisely processed. Through the setting of multi-abrasive belt grinding device, it is no longer necessary to replace different types of abrasive belts in one processing, so as to achieve real automatic production. However, the six-axis linkage CNC abrasive belt grinder of the horizontal multi-abrasive belt mechanism in this Chinese patent document can only process the surface of sheet-shaped workpieces with a very small thickness, and cannot be applied to the corner processing of workpieces such as mobile phone cases; moreover, the Chinese patent document The six-axis linkage CNC abrasive belt grinder of the horizontal multi-abrasive belt mechanism in the patent document is set up separately with the abrasive belt grinding device, which will cause the accuracy to be readjusted every time the workpiece is processed, so that it can operate The defects of cumbersome and single function.

Utility model content

The purpose of the utility model is to provide a grinding device based on the multi-dimensional movement of the grinding plate driven by the motor drive shaft, so as to at least solve the technical problem that the grinding device in the prior art cannot realize the corner processing of workpieces such as mobile phone shells, and It cannot solve the technical problem that the grinding device in the prior art cannot realize multi-dimensional processing.

In order to solve the above problems, the utility model provides a grinding device based on the multi-dimensional movement of the grinding plate driven by the motor transmission shaft, and its technical scheme is as follows:

A grinding device based on a motor drive shaft to drive a grinding plate to move in multiple dimensions, including a frame for providing installation space; a U-shaped mounting arm, the U-shaped mounting arm is arranged on the frame through a lifting and azimuth moving shaft; A fixed base, the fixed base is arranged on the frame through a horizontal movement mechanism, and the fixed base realizes the left and right azimuth movement and the front and rear azimuth movement on the said frame; the grinding mechanism is fixedly installed on the U On the type mounting arm, a plurality of grinding surfaces are provided on the grinding mechanism for placing a variety of grinding sheets, and the grinding mechanism can realize grinding work in the left and right direction of the grinding sheet and movement in the rotational direction of the polishing sheet; and a workpiece fixing device , fixedly installed on the fixed base, the workpiece fixing device is used to place the workpiece, and the workpiece fixing device can realize the rotation direction movement of the workpiece; the grinding sheet of the grinding mechanism performs Grinding works.

As mentioned above, the grinding device based on the multi-dimensional movement of the grinding plate driven by the motor drive shaft is further preferably: the grinding mechanism includes a mounting box, which is placed between the two side arms of the U-shaped mounting arm, and the mounting box A plurality of installation surfaces are formed on the horizontal direction of the outer wall of the box; a plurality of grinding sheets are arranged on the plurality of installation surfaces of the installation box one by one for grinding workpieces; the first motor unit is installed on the U-shaped On the first arm of the installation arm, it passes through the installation box and is connected with a plurality of the grinding sheets through the first transmission mechanism, and is used to drive the plurality of grinding sheets to do work; and the second motor unit is installed on the U-shaped On the second arm of the installation arm, it is connected with the installation box, and is used to drive the rotation of the installation box, so that different grinding sheets can perform work on the workpiece; the second output shaft of the second motor unit is connected to the The first output shafts of the first motor unit are arranged coaxially.

As mentioned above, the grinding device based on the multi-dimensional movement of the grinding plate driven by the motor transmission shaft is further preferably: the first motor unit includes a first motor for providing power; the first motor fixing frame is fixedly installed on the first on the motor, and fix the first motor at the first arm position of the U-shaped mounting arm; the first motor coupling is fixedly installed on the inside of the first arm of the U-shaped mounting arm, and the The first output shaft of the first motor is connected with the inner ring of the first motor coupling; the second motor unit includes a second motor for providing power; the reducer is connected with the second motor for for deceleration; the reducer fixing frame is fixedly installed on the reducer, and the reducer is fixed at the second arm position of the U-shaped mounting arm; the reducer coupling is fixedly installed on the U-shaped Inside the second support arm of the installation arm, the second output shaft of the reducer is connected with the inner ring of the reducer coupling, and the second output shaft is also connected with the installation box.

As the above-mentioned grinding device based on the motor transmission shaft driving the multi-dimensional movement of the grinding disc, it is further preferably: the installation surface of the installation box is four; the grinding disc is also four, which are respectively the first grinding disc, used for The workpiece is initially ground; the second grinding sheet is used for intermediate grinding of the workpiece; the third grinding sheet is used for fine grinding of the workpiece; the fourth grinding sheet is used for finishing the workpiece.

As mentioned above, the grinding device based on the multi-dimensional motion of the grinding plate driven by the motor transmission shaft is further preferably: the first transmission mechanism includes a transmission shaft, which is placed in the installation box, and the starting end of the transmission shaft is connected to the first output shaft. Connected; a plurality of transmission pairs, the main transmission pair of the transmission pair is connected with the transmission shaft, and the slave transmission pair of the transmission pair is connected with the grinding sheet through the rotating shaft, and the transmission pair is used to drive the polishing sheet to do work.

As mentioned above, the grinding device based on the multi-dimensional movement of the grinding disc driven by the motor drive shaft is further preferably: further comprising a grinding disc mounting plate, the inner surface of the grinding disc mounting plate is connected with the rotating shaft of the transmission pair, and the grinding The blade is installed on the outer side of the grinding blade mounting plate.

As mentioned above, the grinding device based on the multi-dimensional movement of the grinding disc driven by the motor drive shaft is further preferably: further comprising a transmission eccentric mechanism, and the transmission eccentric mechanism is arranged between the transmission pair and the grinding disc mounting plate, The first transmission mechanism drives the grinding sheet mounting plate to realize a reciprocating arc rotation through the transmission eccentric mechanism, and then drives the grinding sheet to realize a reciprocating arc rotation.

As mentioned above, the grinding device based on the multi-dimensional movement of the grinding plate driven by the motor transmission shaft is further preferably: the transmission eccentric wheel mechanism includes a driving disc, the inner side of the driving disc is connected with the rotating shaft to provide power; the eccentric wheel, The central shaft on the outside of the driving disc is connected to the central shaft on the inside of the eccentric wheel; and the driven disc, the central shaft on the inside of the driven disc is connected to the eccentric shaft on the outside of the eccentric wheel, and the outer side of the driven disc is The central axis of the grinding sheet is connected to the mounting plate.

As mentioned above, the grinding device based on the multi-dimensional movement of the grinding plate driven by the motor drive shaft is further preferably: the workpiece fixing device includes a fixed box, which is fixedly installed on the fixed base; the workpiece rotating motor is installed on the fixed One side of the box is used to provide power; a plurality of fixed tables are arranged side by side on the fixed box, and pass through the fixed box through the second transmission mechanism and the workpiece output shaft of the workpiece rotating motor connected, a plurality of said fixed tables are used for placing workpieces.

As mentioned above, the grinding device based on the multi-dimensional movement of the grinding plate driven by the motor transmission shaft is further preferably: further comprising a vacuum adsorption mechanism for adsorbing the workpiece on the fixed table.

Analysis shows that compared with the prior art, the utility model has the advantages and beneficial effects of:

1. The grinding device provided by the utility model based on the multi-dimensional movement of the grinding plate driven by the motor drive shaft realizes the lifting and azimuth displacement of the grinding mechanism through the U-shaped mounting arm, and realizes the left and right azimuth and front and rear azimuth displacements of the workpiece fixing device through the fixed base. That is to say, the utility model realizes the three-dimensional displacement of the grinding mechanism and the workpiece fixing device through the U-shaped mounting arm and the fixed base; Grinding in the left and right directions of the sheet and self-rotating grinding, the workpiece fixing device itself can realize the self-rotation of the workpiece; The self-rotation of the workpiece can be realized, and the corners of the workpiece can be polished, so that the utility model has the characteristics of grinding the workpiece in all directions without dead angles.

2. The utility model is equipped with the structural features of the grinding mechanism. The first motor unit can control the grinding piece to do work to grind the workpiece. When another grinding piece is needed to polish the workpiece, it only needs to control the installation box through the second motor unit. Rotate so that the second grinding sheet rotates to the corresponding position of the workpiece, and then the second grinding sheet is controlled by the first motor unit to do work to polish the workpiece; the utility model can install multiple grinding sheets on the same machine frame, and can also control the rotation of multiple grinding sheets through the second motor unit to complete various grinding processes. The rotation direction of the installation box of the utility model and the rotation direction of multiple grinding sheets are set coaxially, so that multiple The rotation orientations of the two grinding sheets are the same, so that the utility model realizes grinding without dead ends.

3. The utility model sets the structural features of the workpiece fixing device. The workpiece rotating motor is used as the same power source of multiple fixing tables. When multiple fixing tables are placed side by side, the power of the workpiece rotating motor can make multiple The fixed table rotates at the same time, so that the workpieces on the multiple fixed tables are also rotated at the same time, and the multiple workpieces are simultaneously polished by the grinding mechanism, so that the multiple workpieces are polished uniformly.

Description of drawings

Fig. 1 is a schematic structural view of a polishing device based on a motor transmission shaft driving a multi-dimensional movement of a grinding plate in a preferred embodiment of the present invention;

Fig. 2 is the structural representation of the frame of preferred embodiment of the present utility model;

Fig. 3 is the left view of Fig. 2;

Fig. 4 is the schematic diagram of installation of the grinding mechanism of the preferred embodiment of the present invention;

Figure 5 is a top view of Figure 4;

Fig. 6 is a schematic structural view of a grinding mechanism in a preferred embodiment of the present invention;

Fig. 7 is a sectional view of Fig. 6;

Fig. 8 is a schematic structural view of the transmission pair sealing box of the preferred embodiment of the present invention;

Fig. 9 is a schematic structural view of the first eccentric wheel mechanism of the preferred embodiment of the present invention;

Fig. 10 is a schematic structural view of a workpiece fixing device in a preferred embodiment of the present invention;

Figure 11 is a top view of Figure 10;

Fig. 12 is a cross-sectional view of a fixed box in a preferred embodiment of the present invention;

Fig. 13 is the front view of Fig. 12;

Fig. 14 is a schematic structural diagram of a vacuum adsorption mechanism in a preferred embodiment of the present invention;

Fig. 15 is a schematic structural view of the adsorption table of the preferred embodiment of the utility model.

In the figure: 1-frame; 11-U-shaped mounting arm; 12-fixed base; 121-front and rear azimuth moving shaft; 122-left and right azimuth moving shaft; 123-lifting and azimuth moving shaft; 13-fixed box; 14- Workpiece rotating motor; 141-workpiece output shaft; 142-connecting shaft; 143-adsorption tube; 144-adsorber; 15-first fixed table; 151-first rotating shaft; ; 1531-adsorption center hole; 1532-adsorption auxiliary hole; 1533-adsorption side hole; 16-second fixed platform; 161-second rotating shaft; 162-second sealing box; Three rotating shafts; 172-the third sealing box; 18-the fourth fixed platform; 181-the fourth rotating shaft; 182-the fourth sealing box; 19-the fifth fixed platform; 191-the fifth rotating shaft; 192-the fifth Sealing box; 2-the first motor; 21-the first motor fixing frame; 22-the first motor coupling; 23-bearing; 24-the first output shaft; 3-installation box; 4-the second motor; 41- Reducer; 411-second output shaft; 42-reducer fixed frame; 43-reducer coupling; 5-first grinding sheet; 51-first grinding sheet mounting plate; 52-first transmission eccentric wheel mechanism; 521-driving disc; 522-eccentric wheel; 523-driven disc; 6-the second grinding plate; 61-the second grinding plate mounting plate; 7-the third grinding plate; 71-the third grinding plate mounting plate; 72- The third transmission eccentric wheel mechanism; 8-the fourth grinding sheet; 81-the fourth grinding sheet mounting plate; 9-transmission shaft; 91-the first main transmission pair; 92-the second main transmission pair; 93-the first slave transmission Vice; 94-the second slave transmission pair; 95-rotating shaft; 96-transmission pair sealing box.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

As shown in Figures 1 to 15, the grinding device based on the multi-dimensional movement of the grinding disc driven by the motor transmission shaft in the preferred embodiment of the present invention mainly includes a frame 1 for providing installation space; a U-shaped mounting arm 11, a U-shaped installation The arm 11 is arranged on the frame 1 through the lifting and azimuth moving shaft 123; the fixed base 12 is arranged on the frame 1 through a horizontal movement mechanism, and the fixed base 12 realizes left and right azimuth movement and front and rear movement on the frame 1 Azimuth movement; the grinding mechanism is fixedly installed on the U-shaped mounting arm 11. There are multiple grinding surfaces on the grinding mechanism for placing various grinding sheets. The grinding mechanism can realize the left and right grinding work of the grinding sheet and the rotation direction of the polishing sheet Movement; the workpiece fixing device is fixedly installed on the fixed base 12, the workpiece fixing device is used to place the workpiece, and the workpiece fixing device can realize the rotation direction movement of the workpiece; the grinding sheet of the grinding mechanism grinds the workpiece of the workpiece fixing device to perform work.

In a word, the grinding device provided by the utility model based on the multi-dimensional movement of the grinding plate driven by the motor drive shaft realizes the lifting and azimuth displacement of the grinding mechanism through the U-shaped mounting arm 11, and realizes the left and right azimuth and front and rear azimuth of the workpiece fixing device through the fixed base 12. Displacement, that is, the utility model realizes the three-dimensional displacement of the grinding mechanism and the workpiece fixing device through the U-shaped mounting arm 11 and the fixed base 12; the grinding mechanism of the grinding device based on the multi-dimensional movement of the grinding disc driven by the motor drive shaft provided by the utility model It can realize grinding in the left and right directions of the grinding sheet and self-rotating grinding, and the workpiece fixing device itself can realize the self-rotation of the workpiece; The workpiece fixing device can realize the self-rotation of the workpiece, and can realize the grinding on the corners of the workpiece, so that the utility model has the characteristics of grinding the workpiece in all directions without dead ends.

In order to facilitate the three-dimensional movement of the workpiece, as shown in Fig. 1, Fig. 2 and Fig. 3, the horizontal movement mechanism of the present utility model includes a front and rear azimuth moving shaft 121, and the front and rear azimuth moving shaft 121 is installed on the frame 1 and fixed The bases 12 are connected to each other for realizing the front and rear azimuth movement of the fixed base 12; The lifting azimuth moving shaft 123 of the present utility model is installed on the frame 1 and links to each other with the grinding mechanism, and is used to realize the lifting and azimuth movement of the grinding mechanism, so that the grinding mechanism and the workpiece realize the displacement in the lifting direction. The utility model can drive the fixed base 12 to move in a two-dimensional direction by controlling the front and rear azimuth moving shaft 121 and the left and right azimuth moving shaft 122 through the servo motor, and then drive the grinding mechanism 11 to move in one-dimensional direction through the control of the servo motor to control the lifting and azimuth moving shaft 123. Finally, three-dimensional movement between the grinding mechanism 11 and the workpiece is realized.

In order to facilitate the control of the grinding mechanism, as shown in Figure 1 and Figure 4 to Figure 7, the grinding mechanism includes a mounting box 3, placed between the two side arms of the U-shaped mounting arm 11, the outer wall of the mounting box 3 A plurality of installation surfaces are formed in the horizontal direction; a plurality of grinding sheets are arranged on a plurality of installation surfaces of the installation box 3 one by one for grinding workpieces; the first motor unit is installed on the first branch of the U-shaped installation arm 11 On the arm, pass through the installation box 3 and link to each other with a plurality of grinding sheets through the first transmission mechanism, for driving a plurality of grinding sheets to do work; and the second motor unit, installed on the second arm of the U-shaped installation arm 11, and The installation box 3 is connected, and is used to drive the installation box 3 to rotate, so that different grinding sheets perform work on the workpiece; the second output shaft 411 of the second motor unit is coaxially arranged with the first output shaft 24 of the first motor unit. The utility model installs the installation box 3, the first motor unit, and the second motor unit on the U-shaped installation arm 11, and a plurality of polishing sheets are correspondingly arranged on a plurality of installation surfaces of the installation box 3; The unit controls the grinding piece to do work to polish the workpiece. When another grinding piece is needed to polish the workpiece, it only needs to control the rotation of the installation box 3 through the second motor unit to make another grinding piece (ie the second grinding piece) Rotate to the corresponding position of the workpiece, and then use the first motor unit to control the second grinding piece to do work to polish the workpiece; the utility model can install multiple grinding pieces on the same frame 1, and can also pass through the second grinding piece. The two motor units control a plurality of grinding sheets to rotate to complete various grinding processes. The rotation direction of the installation box 3 of the utility model and the rotation direction of a plurality of grinding sheets are coaxially arranged, so that the rotation orientations of a plurality of grinding sheets can be the same So that the utility model has the characteristics of high grinding precision and short working hours.

In order to facilitate the placement and stability of the first motor unit, as shown in Figure 4 to Figure 7, the first motor unit of the present utility model includes a first motor 2 for providing power; On a motor 2, the first motor 2 is fixed on the first arm position of the U-shaped mounting arm 11; the first motor coupling 22 is fixedly installed on the inside of the first arm of the U-shaped mounting arm 11, and the first The first output shaft 24 of the motor 2 is connected with the inner ring of the first motor coupling 22 . The first motor coupling 22 provided in the utility model can play the role of relieving the transition in the middle, which also avoids shaking of the first motor 2 during the working process.

In order to facilitate the placement of the second motor unit and realize the slow rotation of the installation box 3, as shown in Figures 4 to 7, the second motor unit of the present utility model includes a second motor 4 for providing power; a speed reducer 41 is connected with the first The two motors 4 are connected to each other for deceleration; the reducer fixed frame 42 is fixedly installed on the reducer 41, and the reducer 41 is fixed on the second arm position of the U-shaped mounting arm 11; the reducer coupling 43 is fixed Installed inside the second arm of the U-shaped mounting arm 11 , the second output shaft 411 of the reducer 41 is connected to the inner ring of the reducer coupling 43 , and the second output shaft 411 is also connected to the installation box 3 . The speed reducer 41 provided by the utility model can slow down the speed of the second motor 4, so that the installation box 3 rotates slowly, so that the polishing sheet can effectively polish the workpiece. Simultaneously, the reduction gear coupling 43 provided in the present invention can play the role of relieving the intermediate transition, which also avoids shaking during the working process of the second motor unit.

In order to enable the utility model to carry out initial grinding, intermediate grinding, fine grinding and finishing processes to the workpiece simultaneously, as shown in Figure 4 to Figure 8, the mounting surface of the mounting box 3 of the utility model is four; Four, respectively the first grinding sheet 5, used for initial grinding of the workpiece; the second grinding sheet 6, used for intermediate grinding of the workpiece; the third grinding sheet 7, used for fine grinding of the workpiece; The fourth grinding sheet 8 is used for polishing the workpiece.

In order to make the first motor unit effectively control the grinding sheet, as shown in Figure 4 and Figure 7, the first transmission mechanism of the present utility model includes a transmission shaft 9, which is placed in the installation box 3, and the beginning of the transmission shaft 9 is connected to the first Output shaft 24 links to each other; A plurality of transmission pairs, the main transmission pair of transmission pair links to each other with transmission shaft 9, and the slave transmission pair of transmission pair links to each other with grinding sheet by rotating shaft 95, and transmission pair is used to drive polishing sheet to do work. In order to facilitate the installation of the grinding sheet, as shown in Figure 4, Figure 7 and Figure 8, the utility model also includes a grinding sheet mounting plate, the inner surface of the grinding sheet mounting plate is connected with the rotating shaft 95 of the transmission pair, and the grinding sheet is installed on the grinding the outer side of the sheet mounting plate. In order to enable the grinding sheet to realize reciprocating arc rotation, as shown in Figure 4 and Figure 9, the utility model also includes a transmission eccentric wheel mechanism, the transmission eccentric wheel mechanism is arranged between the transmission pair and the grinding sheet mounting plate, the first transmission mechanism passes through The transmission eccentric wheel mechanism drives the grinding sheet mounting plate to realize the reciprocating arc rotation, and then drives the grinding sheet to realize the reciprocating arc rotation. In the present utility model, the transmission eccentric wheel mechanism (that is, the first transmission eccentric wheel mechanism 52 in Fig. 4) mainly includes a driving disc 521, and the inner side of the driving disc is connected with the rotating shaft 95 for providing power; The center shaft on the outside of the disc 521 is connected to the center shaft on the inside of the eccentric wheel 522; and the driven disc 523, the center shaft on the inside of the driven disc 523 is connected to the eccentric shaft on the outside of the eccentric wheel 522, and the center shaft on the outside of the driven disc 523 is connected to the grinding wheel. connected to the mounting plate. As shown in Figure 6 and Figure 7, the transmission pair of the utility model is divided into two types, the first transmission pair is used to drive the second grinding sheet 6 and the fourth grinding sheet 8 to do work, and the second transmission pair is used to drive the first grinding sheet Sheet 5 and the 3rd grinding sheet 7 work. In the utility model, there are two first transmission pairs, and there are two second transmission pairs; they are arranged in a cross. In order to provide stable support for the grinding sheet mounting plate of the present invention, the present invention also includes an auxiliary eccentric mechanism, the auxiliary eccentric mechanism includes a driving disc, and the inner central axis of the driving disc is fixedly installed on the mounting surface of the installation box 3; Eccentric wheel, the inner central axis of the eccentric wheel is connected with the outer central axis of the driving disc; and the driven disc, the inner central axis of the driven disc is connected with the outer eccentric shaft of the eccentric wheel, and the outer central axis of the driven disc is connected with the grinding sheet Mounting plate attached. The utility model has eight transmission eccentric mechanisms; the auxiliary eccentric mechanisms are also eight, and two transmission eccentric mechanisms and two auxiliary eccentric mechanisms are arranged on each grinding sheet mounting plate, which are arranged crosswise.

In the utility model, the first grinding sheet 5 is installed on the first grinding sheet mounting plate 51, and the first grinding sheet mounting plate 51 is connected to the transmission shaft 9 through the first transmission eccentric mechanism 52 and the transmission pair; the second grinding sheet 6 is installed on the second grinding sheet mounting plate 61, and the second grinding sheet mounting plate 61 is connected with the transmission shaft 9 through the second transmission eccentric mechanism and the transmission pair; the third grinding sheet 7 is installed on the third grinding sheet mounting plate 71 , the third grinding sheet mounting plate 71 is connected to the transmission shaft 9 through the third transmission eccentric wheel mechanism 72 and the transmission pair; the fourth grinding sheet 8 is installed on the fourth grinding sheet mounting plate 81, and the fourth grinding sheet mounting plate 81 passes through the first The four-transmission eccentric wheel mechanism and the transmission pair are connected with the transmission shaft 9 . In the utility model, the first main transmission pair 91 is installed on the transmission shaft 9, and the first slave transmission pair 93 drives the second transmission eccentric mechanism and the fourth transmission eccentric mechanism to do work through the rotating shafts at both ends; the second main transmission Auxiliary 92 is installed on the transmission shaft 9, and the second slave transmission pair 94 drives the first transmission eccentric mechanism and the third transmission eccentric mechanism to do work through the rotating shafts 95 at both ends.

Because a lot of noise will be generated when the transmission pair does work, in order to reduce these noises, as shown in Figure 8, the utility model also includes a transmission pair sealing box 96, which is fixedly installed in the installation box 3, and the transmission pair is placed In the transmission pair sealing box 96, the transmission shaft 9 passes through the transmission pair sealing box 96, and the rotating shaft 95 of the transmission pair passes through the transmission pair sealing box 96 to drive the polishing sheet to do work.

In order to form a fit between the first output shaft 24 of the first motor 2 and the installation box 3, as shown in Figure 6 and Figure 7, the utility model also includes a bearing 23, and the inner ring of the bearing 23 is sleeved on the first output shaft 24 , The outer ring of the bearing 23 is installed on the installation box 3. In this way, the first output shaft 24 can provide a support for the installation box 3 without affecting the rotation of the installation box 3 .

In order to facilitate the control of the workpiece fixing device, the workpiece fixing device of the present utility model mainly includes a fixed box 13 fixedly installed on the fixed base 12; a workpiece rotating motor 14 is installed on one side of the fixed box 13 for providing Power; a plurality of fixed tables are arranged side by side on the fixed box body 13, and pass through the fixed box body 13 to be connected with the workpiece output shaft 141 of the workpiece rotating motor 14 through the second transmission mechanism, and the plurality of fixed tables are used to place the workpiece. The workpiece fixing device of the present utility model uses the workpiece rotating motor 14 as the same power source of multiple fixed tables. When multiple fixed tables are placed side by side, the power of the workpiece rotating motor 14 can make multiple fixed tables rotate simultaneously. , so that the workpieces on multiple fixed tables are also rotated simultaneously, and the multiple workpieces are simultaneously ground by the grinding mechanism, so that the multiple workpieces are polished uniformly.

In order to realize simultaneous power transmission to multiple fixed tables, as shown in Figure 13, the second transmission mechanism of the present invention includes a connecting shaft 142, the beginning of which is connected to the workpiece output shaft 141 of the workpiece rotating motor 14, for transmission power; a plurality of gear meshing mechanisms, the main gear of the gear meshing mechanism is socketed and connected with the connecting shaft 142; and a plurality of rotating shafts, and the plurality of rotating shafts are sleeved in the slave gears of the plurality of gear meshing mechanisms one by one. For transmission power; multiple fixed platforms are installed on multiple rotating shafts in one-to-one correspondence. With this arrangement, the power of the workpiece rotating motor 14 can be simultaneously transmitted to multiple fixed tables, so that the multiple fixed tables can rotate simultaneously, thereby realizing the grinding consistency of multiple workpieces. Under normal circumstances, it is difficult for a conventional gear meshing mechanism to ensure that multiple fixed platforms can rotate with uniform precision. In order to solve this problem, the main gear of the gear meshing mechanism of the present invention is a helical gear, and the slave gear is a spur gear. Preferably, the rack of the main gear is arranged in an arc shape, so that the main gear and the slave gear of the gear meshing mechanism of the present invention are in surface contact, which can reduce the error caused by line contact. When the two gears are in surface contact, It can make multiple side-by-side gear meshing mechanisms work synchronously; when the straight rack of the slave gear contacts the arc-shaped helical rack of the master gear, there will be no gap, which can prevent several gear meshing mechanisms side by side In the case of asynchronous work, the gear meshing mechanism of the present invention is specially designed for processing multiple workpieces at the same time. Preferably, in order to prevent the main gear and the slave gear from being stuck, the utility model sets a bearing (not shown) on each tooth of the slave gear, through the arc shape of the outer ring of the bearing and the main gear The set helical rack contact can not only ensure the effective contact between the slave gear and the master gear, but also make the smooth contact between the slave gear and the master gear.

Because the gear meshing mechanism will produce a lot of noise when doing work, in order to reduce these noises, as shown in Figure 12 and Figure 13, the utility model also includes a plurality of sealing boxes, and the plurality of sealing boxes are fixedly installed in the fixed box body 13, and the Multiple gear meshing mechanisms are placed in multiple sealed boxes one by one, the connecting shaft 142 passes through the sealed boxes, and multiple rotating shafts pass through the multiple sealed boxes one by one to drive multiple fixed platforms to rotate.

In order to further realize simultaneous grinding of multiple workpieces while ensuring work efficiency, as shown in Figures 10 to 14, the utility model has five fixed tables, which are respectively the first fixed table 15, the second fixed table 16, the Three fixed platforms 17, the fourth fixed platform 18, and the fifth fixed platform 19; the connecting shaft 142 drives the first gear meshing mechanism located in the first sealed box 152 to do work, and then drives the first rotating shaft 151 to rotate to realize the first fixed platform 15 rotates; the connecting shaft 142 simultaneously drives the second gear meshing mechanism located in the second sealed box 162 to do work, and then drives the second rotating shaft 161 to rotate to realize the rotation of the second fixed table 16; The third gear meshing mechanism in 172 works, and then drives the third rotating shaft 171 to rotate, and realizes the rotation of the third fixed platform 17; the connecting shaft 142 simultaneously drives the fourth gear meshing mechanism located in the fourth sealing box 182 to do work, and then drives the third rotating shaft 171 to rotate. The four rotating shafts 181 rotate to realize the rotation of the fourth fixed platform 18; the connecting shaft 142 simultaneously drives the fifth gear meshing mechanism located in the fifth sealed box 192 to perform work, thereby driving the fifth rotating shaft 191 to rotate to realize the rotation of the fifth fixed platform 19 .

Under normal circumstances, the workpiece needs to be fixed on the fixed table, and at the same time, other clamps cannot be used to clamp the outer peripheral surface of the workpiece to avoid the situation that the clamping position cannot be polished. In order to solve this problem, as shown in Figure 14 and Figure 15 As shown, the utility model also includes a vacuum adsorption mechanism (not shown), which is used to adsorb the workpiece on the fixed table. The vacuum adsorption mechanism of the present utility model includes an adsorber 144, which is used to provide negative pressure; an adsorption table 153, which is installed on a fixed table, for fixing workpieces; an adsorption tube 143, which is connected to the adsorber 144 and the adsorption table 153 through a rotating shaft The position in between is used to conduct the adsorbed gas. In order to enable the vacuum adsorption mechanism to stably adsorb the workpiece, as shown in Figure 15, an annular boss portion (not shown) is provided on the adsorption table 153 of the present utility model, and the outer peripheral wall of the annular boss portion is in contact with the inner surface of the workpiece. The peripheral wall is fitted, and the annular boss part is used to fix the workpiece; the adsorption center hole 1531 is arranged on the adsorption platform 153, and the center hole annular boss (not shown) is arranged on the periphery of the adsorption center hole 1531, and the center hole annular boss The upper end surface of the upper end surface of the workpiece is attached to the lower end surface of the workpiece; a plurality of adsorption auxiliary holes 1532 are arranged around the adsorption center hole, and an auxiliary hole annular boss (not shown) is arranged around the adsorption auxiliary hole 1532, and the auxiliary hole annular protrusion The upper end surface of the table is bonded to the lower end surface of the workpiece; the periphery of the adsorption table 153 is provided with a plurality of adsorption side holes 1533, and the periphery of the adsorption side hole 1533 is provided with a side hole annular boss (not shown), and the side hole ring The upper end surface of the boss is attached to the lower end surface of the workpiece. Preferably, there are four auxiliary adsorption holes 1532 uniformly distributed around the central adsorption hole 1531 ; four side adsorption holes 1533 are uniformly distributed around the adsorption platform 153 .

As shown in Figures 1 to 15, the working process of the present utility model is described in detail below:

First five workpieces are placed on five adsorption platforms 153, and the five workpieces are adsorbed on five adsorption platforms 153 by the suction force of the adsorber 144; the workpiece is aligned with the grinding sheet of the grinding mechanism 11, and the workpiece rotating motor 14 and The grinding mechanism begins to grind the workpiece. When the workpiece rotating motor 14 starts, the five workpieces rotate simultaneously, and the five workpieces are polished simultaneously with high precision through the work of the grinding mechanism;

The specific grinding process is: when the workpiece needs to be initially ground, the first grinding sheet 5 is first aligned with the workpiece, the utility model drives the transmission shaft 9 to rotate through the first output shaft 24 of the first motor 2, and the transmission shaft 9 passes The rotating shaft 95 of the second transmission pair and the first transmission eccentric wheel mechanism 52 drive the first grinding sheet mounting plate 51 to realize the reciprocating arc rotation, and then drive the first grinding sheet 5 to realize the reciprocating arc rotation, and carry out the preliminary grinding process to the workpiece;

When it is necessary to perform intermediate grinding, the utility model uses the power of the second motor 4 and the deceleration of the reducer 41 to make the second output shaft 411 rotate at a slow speed, driving the installation box 3 to rotate slowly, so that the installation box 3 The second grinding sheet 6 on the top is aligned with the workpiece. The utility model drives the transmission shaft 9 to rotate through the first output shaft 24 of the first motor 2, and the transmission shaft 9 is driven by the rotating shaft of the first transmission pair and the second transmission eccentric wheel mechanism. The second grinding sheet mounting plate 61 realizes the reciprocating arc rotation, and then drives the second grinding sheet 6 to realize the reciprocating arc rotation, and performs intermediate grinding processing on the workpiece;

When fine grinding is required, the utility model uses the power of the second motor 4 and the deceleration of the reducer 41 to make the second output shaft 411 rotate at a slow speed, driving the installation box 3 to rotate slowly, so that the installation box 3 The third grinding sheet 7 on the top is aligned with the workpiece, and the utility model drives the transmission shaft 9 to rotate through the first output shaft 24 of the first motor 2, and the transmission shaft 9 passes through the rotating shaft of the second transmission pair and the third transmission eccentric wheel mechanism 72 Drive the third grinding sheet mounting plate 71 to realize reciprocating arc rotation, and then drive the third grinding sheet 7 to realize reciprocating arc rotation, and perform fine grinding on the workpiece;

When light-receiving processing is required, the utility model uses the power of the second motor 4 and the deceleration of the reducer 41 to make the second output shaft 411 rotate at a slow speed, and drive the installation box 3 to rotate slowly, so that the installation box 3 The fourth grinding sheet 8 on the top is aligned with the workpiece, and the utility model drives the transmission shaft 9 to rotate through the first output shaft 24 of the first motor 2, and the transmission shaft 9 passes through the rotating shaft 95 of the first transmission pair and the fourth transmission eccentric wheel mechanism Drive the fourth grinding sheet mounting plate 81 to realize the reciprocating arc rotation, and then drive the fourth grinding sheet 8 to realize the reciprocating arc rotation, and perform finishing processing on the workpiece.

The utility model adopts the above-mentioned structure, and the high-frequency radian reciprocating motion of the grinding piece performs mechanical and physical grinding on the workpiece. The installation box 3 can be rotated from 0 to 360 degrees, and can be processed continuously at any angle, which changes the traditional pneumatic or electric rotating grinding piece to perform mechanical and physical grinding on the workpiece. The grinding method of mechanical physical grinding; the installation box 3 of the utility model is a rectangular parallelepiped structure or a hexagonal structure or any polygonal structure, and each surface is equipped with a grinding sheet, which can simultaneously polish and draw five identical workpieces. Each side of the grinding sheet completes a grinding process, so the continuous completion of multiple processes can be realized, and the production efficiency and product quality are greatly improved; in addition, the utility model has a compact structure, is easy to make waterproof, easy to achieve lubrication, reliable and durable; by The load of the grinding process here is small, and compared with other linear reciprocating motion mechanisms, it has obvious advantages, such as small vibration, fast speed, low noise and long service life.

Analysis shows that compared with the prior art, the utility model has the advantages and beneficial effects of:

1. The grinding device provided by the utility model based on the multi-dimensional motion of the grinding plate driven by the motor drive shaft realizes the lifting and azimuth displacement of the grinding mechanism through the U-shaped mounting arm 11, and realizes the left and right azimuth and front and rear azimuth of the workpiece fixing device through the fixed base 12 Displacement, that is, the utility model realizes the three-dimensional displacement of the grinding mechanism and the workpiece fixing device through the U-shaped mounting arm 11 and the fixed base 12; the grinding mechanism of the grinding device based on the multi-dimensional movement of the grinding disc driven by the motor drive shaft provided by the utility model It can realize grinding in the left and right directions of the grinding sheet and self-rotating grinding, and the workpiece fixing device itself can realize the self-rotation of the workpiece; The workpiece fixing device can realize the self-rotation of the workpiece, and can grind the corners of the workpiece, so that the utility model has the characteristics of grinding the workpiece in all directions without dead ends.

2. The utility model is equipped with the structural features of the grinding mechanism. The first motor unit can control the grinding piece to do work to grind the workpiece. When another grinding piece is needed to polish the workpiece, it only needs to control the installation box through the second motor unit. 3. Rotate so that the second grinding piece rotates to the corresponding position of the workpiece, and then through the first motor unit to control the second grinding piece to do work to polish the workpiece; the utility model can install multiple grinding pieces on the same On the frame 1, and can also control a plurality of grinding sheets to rotate through the second motor unit to complete a variety of grinding processes, the rotation direction of the installation box 3 of the present utility model and the rotation direction of a plurality of grinding sheets are coaxially arranged, like this The rotation orientations of multiple grinding sheets can be made the same, so that the utility model can realize grinding without dead angle.

Three, the utility model is provided with the structural features of the workpiece fixing device, with the same power source of the workpiece rotating motor 14 as a plurality of fixed tables, when a plurality of fixed tables are placed side by side, by the power of the workpiece rotating motor 14, it can be used The plurality of fixed tables rotate simultaneously, and then the workpieces located on the plurality of fixed tables are also rotated simultaneously, and the plurality of workpieces are simultaneously polished by the grinding mechanism, so that the plurality of workpieces are polished uniformly.

It can be known from technical knowledge that the utility model can be realized through other implementations without departing from its spirit or essential features. Accordingly, the above-disclosed embodiments are, in all respects, illustrative and not exclusive. All changes within the scope of the utility model or within the range equivalent to the utility model are included in the utility model.

Claims (10)

1. A grinding device based on a motor drive shaft to drive the multi-dimensional movement of the grinding disc, characterized in that it comprises: The rack is used to provide installation space; U-shaped mounting arm, the U-shaped mounting arm is arranged on the frame through the lifting and azimuth moving shaft; A fixed base, the fixed base is set on the frame through a horizontal movement mechanism, and the fixed base realizes left and right azimuth movement and front and rear azimuth movement on the frame; The grinding mechanism is fixedly installed on the U-shaped mounting arm, and a plurality of grinding surfaces are provided on the grinding mechanism for placing various grinding sheets. The rotational direction movement of ; and The workpiece fixing device is fixedly installed on the fixed base, the workpiece fixing device is used to place the workpiece, and the workpiece fixing device can realize the rotation direction movement of the workpiece; The workpiece is ground and worked. 2. The grinding device based on the multi-dimensional movement of the grinding plate driven by the motor drive shaft according to claim 1, wherein the grinding mechanism comprises: The installation box is placed between the two side arms of the U-shaped installation arm, and a plurality of installation surfaces are formed in the horizontal direction of the outer wall of the installation box; A plurality of grinding sheets are arranged on the plurality of installation surfaces of the installation box in one-to-one correspondence, and are used for grinding the workpiece; The first motor unit is installed on the first arm of the U-shaped installation arm, passes through the installation box and is connected with the plurality of grinding sheets through the first transmission mechanism, and is used to drive the plurality of grinding sheets to perform work; and The second motor unit is installed on the second arm of the U-shaped installation arm, connected with the installation box, and used to drive the installation box to rotate, so that different grinding sheets can perform work on the workpiece; The second output shaft of the second motor unit is arranged coaxially with the first output shaft of the first motor unit. 3. The grinding device based on the multi-dimensional movement of the grinding plate driven by the motor drive shaft according to claim 2, characterized in that: The first motor unit includes a first motor for providing power; a first motor fixing frame is fixedly mounted on the first motor, and fixes the first motor on the first of the U-shaped mounting arm. Arm position: the first motor coupling is fixedly installed inside the first support arm of the U-shaped mounting arm, and the first output shaft of the first motor is connected to the inner ring of the first motor coupling ; The second motor unit includes a second motor for providing power; a speed reducer connected with the second motor for speed reduction; a speed reducer fixing frame fixedly installed on the speed reducer, and fixed at the position of the second support arm of the U-shaped mounting arm; the reducer coupling is fixedly installed on the inside of the second support arm of the U-shaped mounting arm, and the second output shaft of the reducer and the reducer The inner ring of the machine coupling is connected, and the second output shaft is also connected with the installation box. 4. The grinding device based on the multi-dimensional movement of the grinding plate driven by the motor drive shaft according to claim 2, characterized in that: There are four installation surfaces of the installation box; there are also four grinding sheets, which are respectively the first grinding sheet, which is used for initial grinding of the workpiece; the second grinding sheet, which is used for intermediate grinding of the workpiece; The third grinding sheet is used for finishing the workpiece; the fourth grinding sheet is used for finishing the workpiece. 5. The grinding device based on the multi-dimensional movement of the grinding plate driven by the motor transmission shaft according to claim 3, wherein the first transmission mechanism comprises: The transmission shaft is placed in the installation box, and the beginning end of the transmission shaft is connected with the first output shaft; A plurality of transmission pairs, the main transmission pair of the transmission pair is connected with the transmission shaft, the slave transmission pair of the transmission pair is connected with the grinding sheet through the rotating shaft, and the transmission pair is used to drive the polishing sheet to do work. 6. The grinding device based on the multi-dimensional movement of the grinding plate driven by the motor drive shaft according to claim 5, further comprising: A grinding sheet installation plate, the inner surface of the grinding sheet installation plate is connected with the rotating shaft of the transmission pair, and the grinding sheet is installed on the outer surface of the grinding sheet installation plate. 7. The grinding device based on the multi-dimensional movement of the grinding plate driven by the motor drive shaft according to claim 6, further comprising: A transmission eccentric mechanism, the transmission eccentric mechanism is arranged between the transmission pair and the grinding sheet installation plate, and the first transmission mechanism drives the grinding sheet installation plate through the transmission eccentric mechanism to realize a reciprocating arc Rotate, and then drive the grinding sheet to realize the reciprocating arc rotation. 8. The grinding device based on the multi-dimensional movement of the grinding plate driven by the motor transmission shaft according to claim 7, wherein the transmission eccentric mechanism comprises: a driving disc, the inner side of the driving disc is connected with the rotating shaft for providing power; an eccentric wheel, the central axis on the outside of the driving disc is connected to the central axis on the inside of the eccentric wheel; and As for the driven disk, the central axis inside the driven disk is connected with the eccentric shaft outside the eccentric wheel, and the central axis outside the driven disk is connected with the grinding sheet mounting plate. 9. The grinding device based on the multi-dimensional movement of the grinding plate driven by the motor transmission shaft according to claim 1, wherein the workpiece fixing device comprises: Fixing the box, fixedly installed on the fixed base; The workpiece rotating motor is installed on one side of the fixed box to provide power; A plurality of fixed tables are arranged side by side on the fixed box, and pass through the fixed box to connect with the workpiece output shaft of the workpiece rotating motor through the second transmission mechanism, and the plurality of fixed tables are used for placing artifact. 10. The grinding device based on the multi-dimensional motion of the grinding plate driven by the motor drive shaft according to claim 9, further comprising: The vacuum adsorption mechanism is used for adsorbing the workpiece on the fixed table.