Grinding cooling device for a vertical grinding machine

Abstract

The utility model relates to a kind of grinding cooling device of vertical grinder, and electric main shaft side is equipped with nozzle assembly, the nozzle assembly is connected by connecting elbow pipe connection flow divider, the flow divider is fixed on main shaft seat, the nozzle assembly includes long straight pipe and arc nozzle, the long straight pipe top connects connecting elbow pipe, the long straight pipe bottom side wall connects arc nozzle, the arc nozzle is in the form of ratchet pawl, the root of the arc nozzle connects long straight pipe, and the arc nozzle is equipped with slender spout at one end away from long straight pipe. The utility model is provided with the arc nozzle in the form of ratchet pawl, cooling liquid enters arc nozzle by long straight pipe and is linearly sprayed by slender spout, so as to sufficiently cool grinding workpiece, improve grinding surface quality, accurately spray cutting fluid to machining position, and will not cause cutting fluid shunt waste, save the time of nozzle correction position, improve processing quality.

Description

Technical Field

[0001] This utility model relates to the field of planetary gear internal hole grinding technology, specifically to a grinding cooling device for a vertical grinding machine. Background Technology

[0002] The existing planetary gear inner bores for wind turbine gearboxes are ground using a vertical grinding machine. An electric spindle drives the grinding wheel to rotate, and the rotating wheel contacts the workpiece's inner bore to perform grinding. To cool the workpiece and prevent burns, multiple adjustable plastic cooling water nozzles are typically installed at the grinding wheel location. However, this method has the following drawbacks: the nozzle positions of the adjustable plastic cooling water nozzles require multiple adjustments; during grinding, the nozzles tend to straighten, causing the cooling water to deviate from the grinding position, resulting in poor cooling performance; and the operator must adjust the position of the adjustable plastic cooling water nozzles in real time while the workpiece is being ground, making the operation unsafe and difficult. Utility Model Content

[0003] The purpose of this invention is to overcome the above-mentioned shortcomings and provide a grinding cooling device for a vertical grinding machine, which can efficiently and accurately cool the grinding position of the grinding wheel, and the cooling is uniform and safe.

[0004] The purpose of this utility model is achieved as follows: A grinding cooling device for a vertical grinding machine includes an electric spindle, a grinding wheel, and a spindle seat. The housing of the electric spindle is fixed on the spindle seat. The electric spindle is connected to and drives the grinding wheel to rotate. A nozzle assembly is provided on the side of the electric spindle. The nozzle assembly is connected to a distributor via a connecting bend. The distributor is fixed on the spindle seat. The nozzle assembly includes a long straight tube and an arc-shaped nozzle. The top of the long straight tube is connected to the connecting bend, and the bottom sidewall of the long straight tube is connected to the arc-shaped nozzle. The arc-shaped nozzle is ratchet-shaped, and the root of the arc-shaped nozzle is connected to the long straight tube. The end of the arc-shaped nozzle away from the long straight tube has a slender nozzle.

[0005] Preferably, the height of the arc-shaped nozzle is not lower than the height of the grinding wheel and corresponds to it.

[0006] Preferably, the arc-shaped nozzle is integrally welded to the long straight pipe. The arc-shaped nozzle includes an inner arc plate, an outer arc plate, and a sealing plate. The inner arc plate and the outer arc plate are connected by sealing plates arranged above and below. The ends of the inner arc plate and the outer arc plate away from the long straight pipe form a slender nozzle, which is aligned with the grinding position.

[0007] Preferably, the width of the elongated nozzle is 1-1.5 mm.

[0008] Preferably, the distribution valve is also connected to an auxiliary cooling pipe, which extends to the other side of the grinding wheel position and is used to connect to an adjustable nozzle.

[0009] Preferably, the long straight tube is also connected to a shock-absorbing sponge block, which is tied to the long straight tube and sandwiched between the long straight tube and the outer shell of the electric spindle.

[0010] The beneficial effects of this utility model are: By setting a pawl-shaped arc nozzle, the coolant enters the arc nozzle through a long straight pipe and is sprayed out linearly from the slender nozzle, thereby fully cooling the workpiece being ground, improving the surface quality of the ground surface, accurately spraying the cutting fluid to the machining position, and avoiding the diversion and waste of cutting fluid, saving the time of nozzle position adjustment and improving the machining quality. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the grinding cooling device for a vertical grinding machine according to the present invention.

[0012] Figure 2 This is a three-dimensional structural diagram of the nozzle assembly.

[0013] Figure 3 This is the front view of the nozzle assembly.

[0014] Figure 4 for Figure 3 A sectional view.

[0015] The components include: electric spindle 1; grinding wheel 2; spindle seat 3; nozzle assembly 4; long straight pipe 4.1; arc nozzle 4.2; inner arc plate 4.2.1; outer arc plate 4.2.2; sealing plate 4.2.3; slender nozzle 4.3; connecting bend 5; distributor 6; auxiliary cooling pipe 7; and shock-absorbing sponge block 8. Detailed Implementation

[0016] See Figure 1-4 This utility model relates to a grinding cooling device for a vertical grinding machine, including an electric spindle 1, a grinding wheel 2, a spindle seat 3, and a nozzle assembly 4. The housing of the electric spindle 1 is fixed on the spindle seat 3. The electric spindle 1 is connected to the grinding wheel 2 and drives it to rotate. The nozzle assembly 4 is connected to a flow divider 6 via a connecting bend 5. The flow divider 6 is fixed on the spindle seat 1. The nozzle assembly 4 includes a long straight tube 4.1 and an arc-shaped nozzle 4.2. The top of the long straight tube 4.1 is connected to the bend 5 via a threaded section. The bottom sidewall of the long straight tube 4.1 is connected to an arc-shaped nozzle 4.2. The arc-shaped nozzle 4.2 is ratchet-shaped. The root of the arc-shaped nozzle 4.2 is connected to the long straight tube 4.1. The long straight tube 4.1 is provided with a connecting hole corresponding to the arc-shaped nozzle 4.2. The end of the arc-shaped nozzle 4.2 away from the long straight tube 4.1 is provided with a slender nozzle 4.3. The height of the arc-shaped nozzle 4.2 is not lower than the height of the grinding wheel 2 and corresponds to it, eliminating cooling dead angles and fully cleaning the grinding waste generated at the outer diameter generatrix of the grinding wheel.

[0017] The arc-shaped nozzle 4.2 is integrally welded to the long straight pipe 4.1. The arc-shaped nozzle 4.2 includes an inner arc plate 4.2.1, an outer arc plate 4.2.2, and a sealing plate 4.2.3. The inner arc plate 4.2.1 and the outer arc plate 4.2.2 are connected by the upper and lower sealing plates 4.2.3. The end of the inner arc plate 4.2.1 and the outer arc plate 4.2.2 away from the long straight pipe 4.1 forms a slender nozzle 4.3. The slender nozzle 4.3 is aligned with the grinding position. The width of the slender nozzle 4.3 is 1-1.5mm. The coolant enters the nozzle assembly 4 sequentially through the distributor 6 and the connecting bend pipe 5. The coolant enters the arc-shaped nozzle 4.2 through the long straight pipe 4.1 and is sprayed out linearly from the slender nozzle 4.3, thereby fully cooling the workpiece being ground and improving the surface quality of the ground surface.

[0018] The distribution valve 6 is also connected to an auxiliary cooling pipe 7, which extends to the other side of the grinding wheel position. The auxiliary cooling pipe 7 is connected to an adjustable nozzle (a conventional coolant nozzle) to clean the grinding dust and other debris on the outer surface of the grinding wheel, which is beneficial to improving the cutting performance of the grinding wheel.

[0019] The connecting bend 5 is Z-shaped and includes multiple straight pipes and bends. The connecting bend 5 is used to adjust the position of the nozzle assembly so that the long straight pipe of the nozzle assembly is located on the radial outside of the grinding wheel, so as not to affect the rotation of the grinding wheel.

[0020] The long straight tube 4.1 is also connected to a shock-absorbing sponge block 8, which is tied to the long straight tube 4.1 and sandwiched between the long straight tube 4.1 and the outer shell of the electric spindle 1 to reduce the shaking of the long straight tube 4.1.

[0021] In addition to the above embodiments, this utility model also includes other implementation methods. All technical solutions formed by equivalent transformation or equivalent substitution should fall within the protection scope of the claims of this utility model.

Claims

1. A grinding cooling device for a vertical grinding machine, comprising an electric spindle, a grinding wheel, and a spindle seat, wherein the housing of the electric spindle is fixed on the spindle seat, and the electric spindle is connected to and drives the grinding wheel to rotate, characterized in that: A nozzle assembly is provided on the side of the electric spindle. The nozzle assembly is connected to a distributor via a connecting bend. The distributor is fixed on the spindle seat. The nozzle assembly includes a long straight tube and an arc-shaped nozzle. The top of the long straight tube is connected to the connecting bend, and the bottom side wall of the long straight tube is connected to the arc-shaped nozzle. The arc-shaped nozzle is ratchet-shaped. The root of the arc-shaped nozzle is connected to the long straight tube, and the end of the arc-shaped nozzle away from the long straight tube has a slender nozzle.

2. The grinding cooling device for a vertical grinding machine according to claim 1, characterized in that: The height of the arc-shaped nozzle is not lower than the height of the grinding wheel and corresponds to it.

3. A grinding cooling device for a vertical grinding machine according to claim 1 or 2, characterized in that: The arc-shaped nozzle is integrally welded to the long straight pipe. The arc-shaped nozzle includes an inner arc plate, an outer arc plate, and a sealing plate. The inner arc plate and the outer arc plate are connected by sealing plates set at the top and bottom. The end of the inner arc plate and the outer arc plate away from the long straight pipe forms a slender nozzle, which is aligned with the grinding position.

4. The grinding cooling device for a vertical grinding machine according to claim 3, characterized in that: The width of the elongated nozzle is 1-1.5 mm.

5. The grinding cooling device for a vertical grinding machine according to claim 1, characterized in that: The distributor is also connected to an auxiliary cooling pipe, which extends to the other side of the grinding wheel position and is used to connect to an adjustable nozzle.

6. The grinding cooling device for a vertical grinding machine according to claim 1, characterized in that: The long straight tube is also connected to a shock-absorbing sponge block, which is tied to the long straight tube and sandwiched between the long straight tube and the outer shell of the electric spindle.

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