Cooling structure for grinding device

Abstract

The utility model belongs to the technical field of grinding processing, and particularly relates to a cooling structure for a grinding device, which comprises a connecting plate, a rod hole arranged at one end of the connecting plate, a sliding rod arranged in the rod hole in a sliding and penetrating manner, a spring fixedly connected between a limiting block and the connecting plate, an air chamber arranged at the bottom side of the sliding rod, and a plurality of air blowing holes arranged at the inner side of the air chamber at equal intervals. An exhaust fan is installed on one side of the air cavity, and a pressure sensor is installed on the top side of the workbench. Meanwhile, an actuating rod of an air cylinder drives a connecting plate and an air cavity to move downwards, when the air cavity makes contact with the workbench, continuous downward pressure enables a sliding rod to slide upwards relative to the connecting plate, a spring is stretched, a pressure sensor transmits a signal to a control panel, the control panel starts an exhaust fan, the exhaust fan sucks air through an air inlet pipe, and the air inlet pipe is opened; and then air is conveyed into the air cavity through the air outlet and finally blown to the upper grinding disc and the lower grinding disc through the air blowing holes, cooling of the upper grinding disc and the lower grinding disc is achieved, and the service life of the grinding discs is effectively prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of cooling structure for grinding device. BACKGROUND

[0002] In the cylindrical workpiece machining process, the upper and lower end faces of cylindrical gear need to have good flatness, so that in the assembly process, the contact between gear and shaft sleeve or other adjacent components is uniform, so a grinding device is needed to grind workpiece.

[0003] A new type of plane grinding device is disclosed in a Chinese patent with authorization announcement No. CN221111032U. The device uses a T-shaped groove to hold a workpiece clamping tool. The position and height of the grinding disc are adjusted by starting the drive motor and hydraulic lifting column. Then, the stepping motor is started to rotate the placement table, and the grinding motor is started to rotate and grind. The iron filings generated during grinding are filtered through the water leakage hole and inclined channel together with the cooling water, and then enter the water return pipeline. The iron filings are adsorbed on the bottom surface by the magnet when flowing through the inclined channel to avoid being mixed with the cooling water and entering the water return stage, which may cause blockage.

[0004] However, the above-mentioned grinding device still has some problems. During the grinding of cylindrical workpieces, the upper and lower grinding discs generate heat due to friction, and the temperature will continue to rise. The friction coefficient during grinding may also change due to the increase in temperature, which may increase the friction between the grinding disc and the workpiece, further exacerbating the wear of the grinding disc and reducing the grinding effect on the workpiece. Therefore, a cooling structure for grinding device is proposed to solve the above-mentioned problems. UTILITY MODEL CONTENTS

[0005] To make up for the shortcomings of the prior art and solve the problems raised in the background art, the utility model proposes a cooling structure for grinding device.

[0006] The utility model discloses a technical scheme that solves its technical problem is adopted: a kind of cooling structure for grinding device provided by the utility model, including workbench, the top side edge of the workbench is equipped with support frame, the top side of the support frame is equipped with cylinder, the acting rod bottom end of the cylinder is equipped with connecting plate, the inside of one end of the connecting plate is equipped with rod hole, the inside of the rod hole is equipped with sliding rod and is installed in slidingly, the top side of the sliding rod is equipped with limit block, the limit block and connecting plate are fixedly connected with spring, the spring is sleeved on the outside of the sliding rod, the bottom side of the sliding rod is equipped with air chamber, the inside of the air chamber is equipped with a plurality of air blowing holes at equal intervals, one side of the air chamber is equipped with exhaust fan, the air outlet of the exhaust fan is communicated with air chamber, the air inlet of the exhaust fan is connected with air inlet pipe, the top side of the workbench is equipped with pressure sensor, the pressure sensor is located the directly below of air chamber, and it is used for detecting the pressure of air chamber to workbench, automatically opens exhaust fan and carries out cooling to grinding disc and workpiece, effectively prolongs the service life of grinding disc.

[0007] Preferably, the acting rod bottom side of the cylinder is equipped with grinding motor, the output end of the grinding motor is equipped with upper grinding disc, drives upper grinding disc rotation, and grinds the upper surface of workpiece.

[0008] Preferably, the top side center position of the workbench is equipped with driving motor, the output end of the driving motor is equipped with lower grinding disc, the upper grinding disc is located the directly below of lower grinding disc, and the radius of upper grinding disc and lower grinding disc is same, the rotation angle of upper grinding disc and lower grinding disc is opposite, drives lower grinding disc rotation, cooperates with upper grinding disc, and grinds the lower surface of workpiece. The rotation angle of the two is opposite, to ensure uniform grinding.

[0009] Preferably, one side of the workbench is equipped with servo motor, the output end of the servo motor is equipped with bidirectional screw rod, the inside of the top side of the workbench is equipped with two symmetrical sliding grooves, the inside of the sliding groove is slidably equipped with sliding block, the inside of the sliding block is equipped with screw hole, one end of the bidirectional screw rod penetrates screw hole and is rotatably installed in the inside of the sliding groove, the top side of the sliding block is equipped with connecting rod, one end of the connecting rod is fixedly connected with arc-shaped clamping plate, realizes the clamping of workpiece, and improves the stability in the process of grinding.

[0010] Preferably, the bottom side of the arc-shaped clamping plate is on the same horizontal plane with the top side of lower grinding disc, the height position of the arc-shaped clamping plate is lower than the height of grinding workpiece, to ensure that it does not affect grinding operation.

[0011] Preferably, the bottom side of the workbench is fixedly installed with support leg in four corner positions, one side of the support frame is equipped with control panel, the control panel is electrically connected between pressure sensor and exhaust fan, wherein it is used for signal transmission of pressure sensor and operation control of exhaust fan, to realize automatic cooling operation.

[0012] The utility model discloses the beneficial effect lies in:

[0013] 1. The utility model discloses the action rod of simultaneous air cylinder drives connecting plate and wind chamber to move down, when wind chamber contacts workbench, the pressure of continuing to move down will make slide rod slide up relative to connecting plate, when spring is stretched, pressure sensor will signal transmission to control panel, and control panel starts to draw fan, and fan inhales air through air inlet pipe, then will air delivery to wind chamber through air outlet, finally blow -off hole blows to the upper grinding disc and lower grinding disc, carries away the heat generated in the process of grinding, realizes the cooling of upper grinding disc and lower grinding disc to the effective extension of the service life of grinding disc.

[0014] 2. The utility model discloses starting air cylinder, and the action rod of air cylinder stretches down, drives grinding motor, upper grinding disc to move down, makes upper grinding disc contact workpiece upper surface, starts drive motor and grinding motor, and drive motor drives lower grinding disc to rotate, and grinding motor drives upper grinding disc to begin to rotate, and upper grinding disc and lower grinding disc radius are same, and the rotation angle is opposite, and the even grinding of upper surface and lower surface of workpiece is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, below will to the drawing needed to use in the embodiment or prior art description simple introduction, obviously, below description in the drawing only some embodiments of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.

[0016] Figure 1 It is medium axle side view structure schematic diagram for the utility model;

[0017] Figure 2 It is main body structure schematic diagram for the cooling structure of grinding device;

[0018] Figure 3 It is structure schematic diagram for the cooling assembly of grinding device;

[0019] Figure 4 It is workpiece clamping assembly structure schematic diagram for the cooling structure of grinding device;

[0020] Figure 5 It is workpiece clamping local structure schematic diagram for the cooling structure of grinding device.

[0021] In the figure: 1, workbench; 2, support frame; 3, air cylinder; 4, connecting plate; 5, slide bar; 6, limit block; 7, spring; 8, air chamber; 9, air blowing hole; 10, air extractor; 11, air inlet pipe; 12, grinding motor; 13, upper grinding disc; 14, driving motor; 15, lower grinding disc; 16, servo motor; 17, bidirectional screw rod; 18, sliding groove; 19, sliding block; 20, connecting rod; 21, arc-shaped clamping plate; 22, pressure sensor; 23, support leg; 24, control panel. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] Please refer to Figures 1-3As shown, a kind of cooling structure for grinding device includes workbench 1, support frame 2 is installed at the top side edge of the workbench 1, air cylinder 3 is installed at the top side of the support frame 2, connecting plate 4 is installed at the bottom end of the action rod of the air cylinder 3, rod hole is formed in the one end of the connecting plate 4, sliding rod 5 is slidably installed in the rod hole, limit block 6 is installed at the top side of the sliding rod 5, spring 7 is fixed between the limit block 6 and the connecting plate 4, the spring 7 is sleeved on the outer side of the sliding rod 5, air cavity 8 is installed at the bottom side of the sliding rod 5, a plurality of air blowing holes 9 are equidistantly formed in the inner side of the air cavity 8, air extractor 10 is installed at one side of the air cavity 8, the air outlet of the air extractor 10 is communicated with the air cavity 8, air inlet pipe 11 is connected to the air inlet of the air extractor 10, pressure sensor 22 is installed at the top side of the workbench 1, the pressure sensor 22 is located directly below the air cavity 8, and is used to detect the pressure of the air cavity 8 to the workbench 1, support leg 23 is fixedly installed at the bottom side of the workbench 1 at four corner positions, control panel 24 is installed at one side of the support frame 2;During work, the friction coefficient in the grinding process can also change due to temperature rise, resulting in the increase of the friction force between the grinding disc and the workpiece, further aggravating the wear of the grinding disc, reducing the grinding effect on the workpiece, at the same time, the action rod of the air cylinder 3 drives the connecting plate 4 and the air cavity 8 to move downward, when the air cavity 8 contacts the workbench 1, the pressure of continuously downward will make the sliding rod 5 slide upward relative to the connecting plate 4, at this time, the spring 7 is stretched, until the upper grinding disc 13 is in close contact with the upper surface of the workpiece and starts the grinding work, at this time, the air cavity 8 is located at the outer side of the upper grinding disc 13, the lower grinding disc 15 and the workpiece, the pressure sensor 22 will detect the pressure change of the air cavity 8 to the workbench 1 and transmit the signal to the control panel 24, after the control panel 24 receives the signal, the air extractor 10 is automatically started, the air extractor 10 sucks air through the air inlet pipe 11, then delivers the air to the air cavity 8 through the air outlet, and finally blows out through the air blowing holes 9, blows to the surface of the workpiece being ground and the upper grinding disc 13 and the lower grinding disc 15, carries away the heat generated in the grinding process, realizes the cooling of the upper grinding disc 13 and the lower grinding disc 15, thereby effectively prolongs the service life of the grinding disc, and the specific model of the pressure sensor 33 is BF350.

[0024] Please refer to Figure 1 、 2 , 4, 5, the action rod bottom side of the air cylinder 3 is installed with grinding motor 12, the output end of the grinding motor 12 is installed with upper grinding disc 13, the top side center position of the workbench 1 is installed with driving motor 14, the output end of the driving motor 14 is installed with lower grinding disc 15, the upper grinding disc 13 is located directly below the lower grinding disc 15, and the upper grinding disc 13 and the lower grinding disc 15 have the same radius, and the rotation angles of the upper grinding disc 13 and the lower grinding disc 15 are opposite;

[0025] The side of the workbench 1 is provided with a servo motor 16, the output end of the servo motor 16 is provided with a bidirectional screw rod 17, the inside of the top side of the workbench 1 is symmetrically provided with two sliding grooves 18, the inside of the sliding groove 18 is slidably provided with a sliding block 19, the inside of the sliding block 19 is provided with a threaded hole, one end of the bidirectional screw rod 17 penetrates through the threaded hole and is rotatably installed in the inside of the sliding groove 18, the top side of the sliding block 19 is provided with a connecting rod 20, one end of the connecting rod 20 is fixedly connected with an arc-shaped clamping plate 21, the bottom side of the arc-shaped clamping plate 21 is in the same horizontal plane with the top side of the lower grinding disc 15, and the height position of the arc-shaped clamping plate 21 is lower than the height of the grinding workpiece; in working, in the process of machining the cylindrical workpiece, the upper and lower end faces of the cylindrical gear need to have good flatness, so that in the assembly process, the contact between the gear and the shaft sleeve or other adjacent parts is uniform, therefore, a grinding device needs to be used for grinding the workpiece, in order to ensure that the grinding operation is stably carried out, first, the cylindrical workpiece to be ground is placed on the lower grinding disc 15, the servo motor 16 is started, the servo motor 16 drives the bidirectional screw rod 17 to rotate, so that the two sliding blocks 19 move relatively or in opposite directions along the sliding grooves 18, thereby driving the connecting rod 20 and the arc-shaped clamping plate 21 to move, so that the workpiece is clamped, when the arc-shaped clamping plate 21 contacts and clamps the workpiece, the servo motor 16 stops working, at this time, the bottom side of the arc-shaped clamping plate 21 is in the same horizontal plane with the top side of the lower grinding disc 15, and the height position of the arc-shaped clamping plate 21 is lower than the height of the grinding workpiece, so as to ensure that the subsequent grinding operation is not affected;

[0026] Then the air cylinder 3 is started, the acting rod of the air cylinder 3 extends downward, drives the grinding motor 12 and the upper grinding disc 13 to move downward, so that the upper grinding disc 13 contacts the upper surface of the workpiece, the driving motor 14 and the grinding motor 12 are started, the driving motor 14 drives the lower grinding disc 15 to start rotating, the grinding motor 12 drives the upper grinding disc 13 to start rotating, and the upper grinding disc 13 and the lower grinding disc 15 have the same radius and opposite rotation angles, so as to ensure that the upper and lower surfaces of the workpiece are uniformly ground;

[0027] When the grinding operation is completed, the grinding motor 12 and the driving motor 14 are stopped first, then the acting rod of the air cylinder 3 is retracted upward, drives the air cavity 8 and the related parts to move upward, so that the upper grinding disc 13 moves away from the upper surface of the workpiece, at the same time, the pressure sensor 22 cannot detect the pressure signal, the control panel 24 closes the air extractor 10, then the servo motor 16 is started, so that the arc-shaped clamping plate 21 releases the clamping of the workpiece, finally, the ground workpiece is taken off from the lower grinding disc 15.

[0028] Working principle: first, the cylindrical workpiece to be ground is placed on the lower grinding disc 15, the servo motor 16 is started, the servo motor 16 drives the bidirectional screw rod 17 to rotate, so that the two sliding blocks 19 move relatively or in opposite directions along the sliding groove 18, thereby driving the connecting rod 20 and the arc-shaped clamping plate 21 to move, realizing clamping of the workpiece, when the arc-shaped clamping plate 21 contacts and clamps the workpiece, the servo motor 16 stops working, at this time, the bottom side of the arc-shaped clamping plate 21 is at the same horizontal plane as the top side of the lower grinding disc 15, and the height position of the arc-shaped clamping plate 21 is lower than the height of the workpiece to be ground, so as to ensure that the subsequent grinding operation is not affected;

[0029] Then the air cylinder 3 is started, the acting rod of the air cylinder 3 extends downward, driving the grinding motor 12 and the upper grinding disc 13 to move downward, so that the upper grinding disc 13 contacts the upper surface of the workpiece, the driving motor 14 and the grinding motor 12 are started, the driving motor 14 drives the lower grinding disc 15 to start rotating, the grinding motor 12 drives the upper grinding disc 13 to start rotating, and the upper grinding disc 13 and the lower grinding disc 15 have the same radius and opposite rotation angles, ensuring uniform grinding of the upper and lower surfaces of the workpiece;

[0030] At the same time, the acting rod of the air cylinder 3 drives the connecting plate 4 and the air chamber 8 to move downward, when the air chamber 8 contacts the workbench 1, the downward pressure will make the sliding rod 5 slide upward relative to the connecting plate 4, at this time, the spring 7 is stretched, until the upper grinding disc 13 is in close contact with the upper surface of the workpiece and starts the grinding operation, at this time, the air chamber 8 is located outside the upper grinding disc 13, the lower grinding disc 15 and the workpiece, the pressure sensor 22 detects the pressure change of the air chamber 8 on the workbench 1 and transmits the signal to the control panel 24, after receiving the signal, the control panel 24 automatically starts the exhaust fan 10, the exhaust fan 10 inhales air through the air inlet pipe 11, then delivers the air to the air chamber 8 through the air outlet, and finally blows out through the air blowing hole 9, blowing towards the surface of the workpiece being ground and the upper grinding disc 13 and the lower grinding disc 15, carrying away the heat generated during the grinding process, realizing cooling of the upper grinding disc 13 and the lower grinding disc 15, thereby effectively prolonging the service life of the grinding disc;

[0031] When the grinding operation is completed, the grinding motor 12 and the driving motor 14 are stopped first, then the acting rod of the air cylinder 3 is retracted upward, driving the air chamber 8 and related components to move upward, so that the upper grinding disc 13 moves away from the upper surface of the workpiece, at the same time, the pressure sensor 22 cannot detect the pressure signal, the control panel 24 will turn off the exhaust fan 10, then the servo motor 16 is started, so that the arc-shaped clamping plate 21 releases the clamping of the workpiece, finally the ground workpiece is taken off from the lower grinding disc 15.

[0032] In the description of the specification, the description of the terms "one embodiment", "an example", "a specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0033] The basic principle, main features and advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed.

Claims

1. A cooling structure for a polishing apparatus, characterized by comprising: a cooling medium; and a cooling medium supply unit for supplying the cooling medium to a polishing pad. The utility model provides a kind of grinding machine, including workbench (1), support frame (2) is installed at the top side edge of the workbench (1), air cylinder (3) is installed at the top side of the support frame (2), the acting rod bottom end of the air cylinder (3) is installed with connecting plate (4), one end inside of the connecting plate (4) is equipped with rod hole, sliding rod (5) is slidably penetrated and installed in the inside of the rod hole, limit block (6) is installed at the top side of the sliding rod (5), spring (7) is fixed between the limit block (6) and connecting plate (4), the spring (7) is sleeved on the outside of sliding rod (5), air chamber (8) is installed at the bottom side of the sliding rod (5), several air blowing holes (9) are equidistantly equipped in the inside of the air chamber (8), air extractor (10) is installed on one side of the air chamber (8), the air outlet of the air extractor (10) is communicated with air chamber (8) and is arranged, the air inlet of the air extractor (10) is connected with air inlet pipe (11), pressure sensor (22) is installed at the top side of the workbench (1), the pressure sensor (22) is located directly below air chamber (8), and it is used to detect the pressure of air chamber (8) to workbench (1).

2. The cooling structure for a polishing apparatus according to claim 1, wherein: The acting rod bottom side of the air cylinder (3) is installed with grinding motor (12), and the output end of the grinding motor (12) is installed with upper grinding disc (13).

3. The cooling structure for a polishing apparatus according to claim 2, wherein: The top side center position of the workbench (1) is installed with driving motor (14), the output end of the driving motor (14) is installed with lower grinding disc (15), the upper grinding disc (13) is located directly below the lower grinding disc (15), and the upper grinding disc (13) and the lower grinding disc (15) have the same radius, and the rotation angles of the upper grinding disc (13) and the lower grinding disc (15) are opposite.

4. The cooling structure for a polishing apparatus according to Claim 3, wherein: One side of the workbench (1) is installed with servo motor (16), the output end of the servo motor (16) is installed with bidirectional screw rod (17), two symmetrical sliding grooves (18) are equipped in the inside of the top side of the workbench (1), the sliding block (19) is slidably installed in the inside of the sliding groove (18), the screw hole is equipped in the inside of the sliding block (19), one end of the bidirectional screw rod (17) penetrates the screw hole and is rotatably installed in the inside of the sliding groove (18), the top side of the sliding block (19) is installed with connecting rod (20), one end of the connecting rod (20) is fixedly connected with arc-shaped clamping plate (21).

5. The cooling structure for a polishing apparatus according to Claim 4, wherein: The bottom side of the arc-shaped clamping plate (21) is in the same horizontal plane with the top side of the lower grinding disc (15), and the height position of the arc-shaped clamping plate (21) is lower than the height of the grinding workpiece.

6. The cooling structure for a polishing apparatus according to Claim 1, wherein: The bottom side of the workbench (1) is fixedly installed with support leg (23) at four corner positions, the control panel (24) is installed on one side of the support frame (2), and the control panel (24) is electrically connected between the pressure sensor (22) and the air extractor (10), wherein it is used for signal transmission of the pressure sensor (22) and operation control of the air extractor (10).

Images