Grinding wheel cleaning and cooling mechanism

Abstract

The utility model discloses a grinding wheel cleaning and cooling mechanism, and relates to the technical field of grinding, cooling and cleaning. The mechanism comprises at least one cleaning nozzle and at least one cooling nozzle, the cleaning nozzles are arranged on the upper portion of the grinding wheel, and the cooling nozzles are arranged on the side portion of the grinding wheel. Water flow sprayed out of the cleaning nozzle acts on the upper portion of the grinding wheel, and the water flow sprayed out of the cooling nozzle is tangent to a grinding point of the grinding wheel. The height of the cooling nozzle and the height of the cleaning nozzle can be adjusted within a preset range. In the grinding process of the grinding wheel, the cooling nozzle and the cleaning nozzle adjust the height in a follow-up mode to make up the abrasion loss of the grinding wheel. According to the improved grinding wheel cleaning and cooling mechanism, shutdown is not needed when the distance between the nozzle and the grinding wheel is adjusted, the servo motor only needs to automatically drive the nozzle to ascend and descend according to the monitored grinding wheel abrasion condition so as to achieve abrasion distance compensation, the machining efficiency can be remarkably improved, and the grinding wheel cooling effect can be improved. And the machine tool can be expanded to other machine tools according to actual conditions.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of grinding cooling and cleaning, and particularly relates to a grinding wheel cleaning and cooling mechanism. BACKGROUND

[0002] At present, the grinding wheel cleaning and cooling structure is generally in the form of spraying, a nozzle is usually arranged on the side of the grinding wheel, water flow is sprayed through control, and the grinding wheel is cooled. The existing spraying mode has the following problems:

[0003] The cleaning and cooling effect is poor: the grinding wheel cleaning cannot completely clean away the debris, the air holes of the grinding wheel are blocked, and surface quality defects such as vibration marks and scratches are generated during grinding; and the workpiece temperature is increased due to untimely cooling, which also affects the grinding precision and even burns the surface of the workpiece.

[0004] The nozzle adjustment is complicated: the diameter of the nozzle is reduced during the use of the grinding wheel, therefore, the distance of the nozzle needs to be adjusted to ensure good cleaning and cooling; the conventional structure needs to be stopped for corresponding adjustment during adjustment; the use efficiency of the equipment is affected, and there is a certain safety hazard. UTILITY MODEL CONTENT

[0005] The utility model aims at the above-mentioned shortcomings in the background art, and provides an improved grinding wheel cleaning and cooling mechanism, which can automatically adjust with the change of the diameter of the grinding wheel to realize the cleaning and cooling effect of the grinding wheel with high efficiency.

[0006] TECHNICAL SCHEME: The utility model discloses a grinding wheel cleaning and cooling mechanism which comprises at least one cleaning nozzle and at least one cooling nozzle. The cleaning nozzle is arranged on the upper part of the grinding wheel, and the cooling nozzle is arranged on the side part of the grinding wheel; the water flow sprayed by the cleaning nozzle acts on the upper part of the grinding wheel, and the direction of the water flow sprayed by the cooling nozzle is tangent to the grinding point of the grinding wheel; the height of the cooling nozzle and the cleaning nozzle can be adjusted within a preset range; during the grinding process of the grinding wheel, the cooling nozzle and the cleaning nozzle are adjusted in height to compensate for the grinding wear of the grinding wheel.

[0007] In a further embodiment, the upper part of the grinding wheel is covered by a protective cover, and the lower part is exposed; the side part and the top part of the protective cover are respectively provided with a fixed plate, each fixed plate is respectively provided with an extension part, and the cooling nozzle and the cleaning nozzle are respectively arranged at the execution end of the extension part.

[0008] In a further embodiment, a water flow channel is arranged in the extension part; a box body is arranged outside the extension part, one end of the water flow channel is led out through the upper part of the box body and connected to a cooling liquid source, and the other end of the water flow channel is connected to the cooling nozzle and the cleaning nozzle.

[0009] In a further embodiment, a ball screw is selected for the extension part, and a guide rod is fixed on the ball screw nut.

[0010] In a further embodiment, a servo motor is mounted on the side of the housing and on top of the ball screw; the output of the servo motor acts on the screw of the ball screw through a set of meshing bevel gears.

[0011] In a further embodiment, a nozzle seat is installed at the lower end of the guide rod, and a cooling nozzle or a cleaning nozzle is connected to one end of the nozzle seat; the guide rod is driven by a ball screw to make reciprocating linear motion, thereby driving the cooling nozzle or cleaning nozzle to adjust its height within a predetermined stroke range.

[0012] In a further embodiment, the nozzle seat is through the middle; the guide rod is hollow; the nozzle seat through the middle and the hollow guide rod form a water flow channel; the coolant is supplied from an external coolant source, flows through the guide rod and the nozzle seat, into the connecting cavity of the cooling nozzle and the water channel plate of the cleaning nozzle, and is finally sprayed through the cooling nozzle and the cleaning nozzle to act on the target position of the grinding wheel.

[0013] In a further embodiment, the cooling nozzle is replaceable to accommodate different grinding wheel widths.

[0014] In a further embodiment, the cleaning nozzle includes a plurality of high-pressure nozzles arranged in a transverse array.

[0015] Beneficial Effects: This utility model discloses an improved grinding wheel cleaning and cooling mechanism suitable for grinding machines, enabling the nozzle to automatically adjust according to changes in the grinding wheel diameter. Adjusting the distance between the nozzle and the grinding wheel does not require stopping the machine; the nozzle is automatically raised and lowered by a servo motor based on the monitored grinding wheel wear condition to compensate for wear distance. This improved solution can significantly increase processing efficiency and enhance the grinding wheel cooling effect. It can also be extended to other machine tools as needed. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of the grinding wheel cleaning and cooling mechanism in the embodiment.

[0017] Figure 2 This is a cross-sectional view of the cooling section from one perspective in the embodiment.

[0018] Figure 3 This is a cross-sectional view of the cooling section from another perspective in the embodiment.

[0019] Figure 4 This is a cross-sectional view of the cleaning unit from one perspective in the embodiment.

[0020] Figure 5 This is a cross-sectional view of the cleaning section from another perspective in the embodiment.

[0021] Figure 6 This is a partial cross-sectional view of the cleaning nozzle in the embodiment.

[0022] The reference signs in the drawings are: cooling part 100, fixed plate 101, box 102, servo motor 103, bevel gear 104, screw 105, nut 106, guide rod 107, screw plug 108, fixed block 109, waterway groove plate 1010, nozzle seat 1011, connecting cavity 1012, cooling nozzle 1013, connecting key 1014, cleaning part 200, high-pressure nozzle 201, grinding wheel 300. DETAILED DESCRIPTION

[0023] In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. However, it will be apparent to one skilled in the art that the present application can be practiced without one or more of these specific details. In other instances, well-known features have not been described in detail to avoid obscuring the present application.

[0024] The conventional grinding wheel spray cooling method has poor cleaning and cooling effect, cannot completely clean away the debris, causes the grinding wheel air hole to be blocked, produces vibration marks during grinding, scratches and other surface quality problems. In addition, the cooling is not timely, which causes the workpiece temperature to rise, also affects the grinding precision, and the workpiece surface appears to be burned and other problems.

[0025] Therefore, the embodiment discloses a grinding wheel 300 cleaning and cooling mechanism, the overall structure diagram is shown in Figure 1 The cooling part 100 and the cleaning part 200 are composed. The upper part is a grinding wheel cleaning nozzle, the left side is a grinding wheel cooling nozzle 1013, and the water flow direction of the water flow cooling nozzle 1013 needs to be tangent to the grinding point of the grinding wheel during the grinding process, so as to ensure good cooling effect.

[0026] The cooling nozzle 1013 and the cleaning nozzle both contain a mechanism that can be lifted, so that the nozzle can adjust the height during the grinding process of the grinding wheel 300 to compensate for the grinding wheel 300 wear amount. The mechanism that can be lifted is covered by the box 102, one end of the water flow channel is led out through the upper part of the box 102 and connected to the cooling liquid source, and the other end of the water flow channel is connected to the cooling nozzle 1013 and the cleaning nozzle.

[0027] As a preferred, the specific structure of the cooling part 100 is shown in Figure 2 And Figure 3, the cooling part 100 is fixed on the grinding wheel 300 side through the fixing plate 101, the bevel gear 104 is driven by the servo motor 103, the intermeshing bevel gears 104 are fixed on the screw rod 105 through the connecting key 1014, and the nut 106 is fixed on the guide rod 107, so that the servo motor 103 drives the bevel gear 104 to rotate, so that the screw rod rotates to make the guide rod 107 do reciprocating linear motion; the fixed block 109 is connected with the guide rod 107, the water channel plate 1010 is connected with the fixed block 109, the guide rod 107, the fixed block 109, the water channel plate 1010, the nozzle seat 1011, the connecting cavity 1012 and the cooling nozzle 1013 form a water flow channel, and the cooling liquid is connected from the screw plug 108, so that the cooling water flow is realized. The cooling nozzle 1013 can be replaced according to the width of the grinding wheel 300.

[0028] As preferred, the structure of the cleaning part 200 is as shown in Figure 3 、 Figure 4 、 Figure 5 , the cleaning part 200 is fixed above the grinding wheel 300 through the fixing plate 101, the bevel gear 104 is driven by the servo motor 103, the intermeshing bevel gears 104 are fixed on the screw rod 105 through the connecting key 1014, and the nut 106 is fixed on the guide rod 107, so that the servo motor 103 drives the bevel gear 104 to rotate, so that the screw rod rotates to make the guide rod 107 do reciprocating linear motion; the fixed block 109 is connected with the guide rod 107, the water channel plate 1010 is connected with the fixed block 109, the guide rod 107, the fixed block 109, the water channel plate 1010, the nozzle seat 1011 and the high-pressure nozzle 201 form a water flow channel, and the cooling liquid is connected from the screw plug 108, so that the cooling water flow is realized.

[0029] As preferred, the cleaning nozzle adopts a plurality of high-pressure nozzles 201 arranged transversely, and the high-pressure nozzle 201 is used for cleaning the grinding wheel to ensure the grinding wheel's chip removal rate.

[0030] As preferred, the cooling nozzle 1013 can be profiled 3D printed to solve the problem of difficult machining of the nozzle inner cavity and ensure the grinding wheel cooling effect.

[0031] In actual use, the grinding wheel 300 will be worn, and the automatic following can be realized by following adjustment of the servo motor 103 through specific numerical values.

[0032] As above, although the utility model has been shown and expressed by referring to the specific preferred embodiment, it cannot be explained as the limitation of the utility model itself. Various changes can be made to the form and details without departing from the spirit and scope of the utility model defined in the appended claims.

Claims

1. A grinding wheel washing and cooling mechanism comprising at least one washing nozzle, at least one cooling nozzle, characterized in that, The cleaning nozzle is arranged on the upper part of the grinding wheel, and the cooling nozzle is arranged on the side part of the grinding wheel. The water flow of the cleaning nozzle acts on the upper part of the grinding wheel, and the water flow direction of the cooling nozzle is tangent to the grinding point of the grinding wheel. The height of the cooling nozzle and the cleaning nozzle can be adjusted within a preset range. During the grinding process of the grinding wheel, the height of the cooling nozzle and the cleaning nozzle is adjusted to compensate for the grinding wear of the grinding wheel.

2. The grinding wheel washing and cooling mechanism according to claim 1, characterized in that, The upper part of the grinding wheel is covered by a protective cover, and the lower part is exposed. The side part and the top part of the protective cover are respectively provided with a fixed plate, each fixed plate is respectively provided with an extension part, and the cooling nozzle and the cleaning nozzle are respectively arranged at the execution end of the extension part.

3. The grinding wheel washing and cooling mechanism according to claim 2, wherein A water flow channel is arranged in the extension part. A box body is arranged outside the extension part, one end of the water flow channel is led out through the upper part of the box body and connected to a cooling liquid source, and the other end of the water flow channel is connected to the cooling nozzle and the cleaning nozzle.

4. The grinding wheel washing and cooling mechanism according to claim 3, wherein The extension part is selected to be a ball screw, and a guide rod is fixed on the ball screw nut.

5. The grinding wheel washing and cooling mechanism according to claim 4, wherein A servo motor is arranged on the side part of the box body and at the top part of the ball screw. The output end of the servo motor is connected to the screw rod of the ball screw through a set of intermeshing bevel gears.

6. A grinding wheel washing and cooling mechanism according to claim 4 or 5, wherein A nozzle seat is arranged at the lower end of the guide rod, and the cooling nozzle or the cleaning nozzle is connected to one end of the nozzle seat. The guide rod is driven by the ball screw to make reciprocating linear motion, so as to drive the cooling nozzle or the cleaning nozzle to adjust the height within a predetermined stroke range.

7. The grinding wheel washing and cooling mechanism according to claim 6, wherein The middle part of the nozzle seat is penetrated, and the guide rod is hollow. The nozzle seat with the penetrated middle part and the hollow guide rod form a water flow channel. Cooling liquid is supplied from an external cooling liquid source, flows into the connection cavity of the cooling nozzle and the water channel groove plate of the cleaning nozzle through the guide rod and the nozzle seat, and is finally sprayed through the cooling nozzle and the cleaning nozzle to act on the target position of the grinding wheel.

8. The grinding wheel washing and cooling mechanism according to claim 1, wherein The cooling nozzle can be replaced to adapt to different widths of the grinding wheel.

9. The grinding wheel washing and cooling mechanism according to claim 1, wherein The cleaning nozzle comprises a plurality of high-pressure nozzles arranged in a transverse array.

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