Spindle cooling mechanism of drilling machine

Abstract

The utility model discloses a spindle cooling mechanism for a boring machine, and relates to the technical field of spindle cooling. The cooling mechanism comprises a spindle box, wherein a spindle is penetrated in the spindle box, a water inlet pipe is arranged on one side of the top of the spindle box, a water outlet pipe is arranged on one side of the bottom of the spindle box, a spraying mechanism is arranged in the spindle box at the port of the water inlet pipe, a cooling mechanism is arranged on the spindle below the spraying mechanism, two groups of air holes are arranged at the upper and lower ends of the spindle box, an adjusting mechanism is arranged on the air holes, the spraying mechanism can spray water into the spindle box, so as to cool the spindle, and the spindle box can allow air flow through the air holes, so that the air flow in the spindle box can be accelerated through the cooling mechanism, thereby accelerating the cooling of the spindle and extending the service life of the spindle.

Description

Technical Field

[0001] The utility model relates to the technical field of spindle cooling, in particular to a spindle cooling mechanism for a hole-pulling machine. Background Art

[0002] The main shaft cooling technology of the hole-drilling machine is mainly used to ensure that the coolant of the water inlet valve and the water outlet valve can circulate normally when encountering high-temperature media (≥200℃) when drilling holes in pipelines, ensuring the normal operation of the hole-drilling equipment and preventing the main shaft and micro-combination seal from being damaged due to high-temperature media, causing damage to the equipment during construction.

[0003] The spindle generates heat when processing a workpiece. In order to extend the service life of the spindle, a cooling device is needed to cool the spindle. The existing cooling device for the spindle has low cooling efficiency and limited cooling methods, and cannot effectively dissipate heat and cool the spindle.

[0004] Based on this, a main shaft cooling mechanism for a hole-making machine is now provided, which can eliminate the drawbacks of the existing device. Utility Model Content

[0005] The utility model aims to provide a main shaft cooling mechanism for a boring machine, so as to solve the problem that the existing main shaft cooling device has low cooling efficiency for the main shaft, has limited cooling methods, and cannot effectively dissipate heat and cool the main shaft.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] The spindle cooling mechanism of the hole drawing machine includes a spindle box, a spindle is penetrated through the spindle box, a water inlet pipe is arranged on one side of the top of the spindle box, a water outlet pipe is arranged on one side of the bottom of the spindle box, a spraying mechanism is arranged at the port of the water inlet pipe located in the spindle box, a cooling mechanism is arranged on the spindle below the spraying mechanism, two groups of air holes are arranged at the upper and lower ends of the spindle box, and an adjustment mechanism is arranged on the air holes.

[0008] On the basis of the above technical solutions, the present invention also provides the following optional technical solutions:

[0009] In an optional solution: the spraying mechanism includes an annular tube, the annular tube is located outside the main shaft and is connected to the water inlet pipe, and a plurality of spray heads are arranged inside the annular tube.

[0010] In an optional solution: the cooling mechanism includes a first connecting block, the first connecting block is located below the annular tube on the main shaft, and a plurality of first spiral blades are arranged on the outer side of the first connecting block.

[0011] In an optional solution: a second connecting block is arranged on the main shaft below the first connecting block, a plurality of second spiral leaves are arranged on the outer side of the second connecting block, and the second spiral leaves have the same rotation direction as the first spiral leaves.

[0012] In an optional solution: fixing blocks are arranged at the upper and lower ends of the spindle box outside the spindle, the fixing blocks are connected to the spindle via bearings, and the fixing blocks are fixedly connected to the spindle box via a plurality of screws.

[0013] In an optional solution: the adjustment mechanism includes a fixed plate, the fixed plate is located above the air vent, the two sides of the bottom of the fixed plate are fixedly connected to the spindle box through support plates, an electric push rod is provided at the bottom end of the fixed plate, and a pressure plate is provided at the bottom end of the electric push rod output, and the pressure plate corresponds to the position of the air vent.

[0014] In an optional solution: a sealing gasket is provided at the bottom of the pressing plate.

[0015] In an optional solution: a first solenoid valve is provided on the water inlet pipe, and a second solenoid valve is provided on the water outlet pipe.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0017] The utility model is provided with a water inlet pipe on one side of the top of the spindle box, a spraying mechanism is provided in the spindle box at the water inlet pipe port, a cooling mechanism is provided on the spindle below the spraying mechanism, two groups of air holes are provided at the upper and lower ends of the spindle box, an adjusting mechanism is provided on the air holes, the spraying mechanism can spray water into the spindle box to cool the spindle, the cooling mechanism can speed up the air flow in the spindle box to speed up the cooling of the spindle and extend the service life of the spindle, and the adjusting mechanism can adjust the opening and closing of the air holes. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0019] Figure 2 It is a schematic diagram of the internal structure of one side of the utility model.

[0020] Figure 3 It is a schematic diagram of the internal structure of the other side of the utility model.

[0021] Notes on figure numbers: 1. spindle box; 2. water inlet pipe; 3. first solenoid valve; 4. spindle; 5. first connecting block; 6. first spiral blade; 7. second connecting block; 8. second spiral blade; 9. annular tube; 10. nozzle; 11. water outlet pipe; 12. second solenoid valve; 13. fixing block; 14. bearing; 15. screw; 16. air vent; 17. fixing plate; 18. support plate; 19. electric push rod; 20. pressure plate; 21. sealing gasket. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments.

[0023] In one embodiment, Figure 1-Figure 3 As shown, the spindle cooling mechanism of the hole drawing machine includes a spindle box 1, a spindle 4 is penetrated in the spindle box 1, a water inlet pipe 2 is arranged on the top side of the spindle box 1, a water outlet pipe 11 is arranged on the bottom side of the spindle box 1, the port of the water inlet pipe 2 is located in the spindle box 1 and a spraying mechanism is arranged, and a cooling mechanism is arranged on the spindle 4 below the spraying mechanism, two groups of air holes 16 are arranged at the upper and lower ends of the spindle box 1, and an adjusting mechanism is arranged on the air holes 16. The spraying mechanism can spray water into the spindle box 1 to cool the spindle 4, and the spindle box 1 can have air flow through the air holes 16, so that the air flow in the spindle box 1 can be accelerated through the cooling mechanism, thereby accelerating the cooling of the spindle 4 and extending the service life of the spindle 4, and the adjusting mechanism can adjust the opening and closing of the air holes 16.

[0024] In one embodiment, Figure 2 As shown, the spraying mechanism includes an annular tube 9, which is located outside the main shaft 4 and connected with the water inlet pipe 2. A plurality of nozzles 10 are arranged inside the annular tube 9. Water is injected into the annular tube 9 through the water inlet pipe 2, and water can be sprayed into the main shaft box 1 through the nozzles 10, so as to cool the main shaft 4.

[0025] In one embodiment, Figure 2 As shown, the cooling mechanism includes a first connecting block 5, which is located below the annular tube 9 on the main shaft 4. A plurality of first spiral blades 6 are arranged on the outer side of the first connecting block 5. The main shaft 4 can drive the first spiral blades 6 to rotate during rotation.

[0026] In one embodiment, Figure 2 As shown, a second connecting block 7 is provided on the main shaft 4 below the first connecting block 5, and a plurality of second spiral blades 8 are provided on the outer side of the second connecting block 7, and the second spiral blades 8 have the same rotation direction as the first spiral blades 6. During the rotation of the first spiral blades 6, the second spiral blades 8 rotate synchronously to accelerate the air flow in the main shaft box 1.

[0027] In one embodiment, Figure 2 As shown, fixed blocks 13 are provided at the upper and lower ends of the spindle box 1 on the outside of the spindle 4. The fixed block 13 is connected to the spindle 4 through a bearing 14. The fixed block 13 is fixedly connected to the spindle box 1 through a number of screws 15, so that the spindle 4 is more stable during operation.

[0028] In one embodiment, Figure 3 As shown, the adjustment mechanism includes a fixed plate 17, which is located above the air vent 16. Both sides of the bottom of the fixed plate 17 are fixedly connected to the spindle box 1 through support plates 18. An electric push rod 19 is provided at the bottom end of the fixed plate 17. A pressure plate 20 is provided at the output bottom end of the electric push rod 19, and the pressure plate 20 corresponds to the position of the air vent 16. The electric push rod 19 can drive the pressure plate 20 to move up and down, thereby controlling the opening and closing of the air vent 16.

[0029] In one embodiment, Figure 3 As shown, a sealing pad 21 is provided at the bottom of the pressing plate 20 to facilitate sealing when the pressing plate 20 closes the air vent 16 .

[0030] In one embodiment, Figure 3 As shown, a first solenoid valve 3 is provided on the water inlet pipe 2 and a second solenoid valve 12 is provided on the water outlet pipe 11 . The first solenoid valve 3 can control the opening and closing of the water inlet pipe 2 , and the second solenoid valve 12 can control the opening and closing of the water outlet pipe 11 .

[0031] The above-mentioned embodiment discloses a spindle cooling mechanism for the hole punching machine. When in use, the electric push rod 19 controls the pressing plate 20 to be lifted so that the air vent 16 is in an open state. The spindle 4 can drive the first spiral blade 6 to rotate during rotation. During the rotation of the first spiral blade 6, the second spiral blade 8 rotates synchronously to accelerate the air flow in the spindle box 1. When the cooling effect is enhanced, the pressing plate 20 can be controlled by the electric push rod 19 to close the air vent 16. Water is injected into the annular tube 9 through the water inlet pipe 2, and water can be sprayed into the spindle box 1 through the nozzle 10, thereby cooling the spindle 4 and extending the service life of the spindle 4.

[0032] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art who is familiar with the present technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A main shaft cooling mechanism for a boring machine, comprising a main shaft box (1), wherein a main shaft (4) is arranged through the main shaft box (1), and characterized in that: A water inlet pipe (2) is provided on one side of the top of the spindle box (1), a water outlet pipe (11) is provided on one side of the bottom of the spindle box (1), a spraying mechanism is provided at the port of the water inlet pipe (2) located inside the spindle box (1), a cooling mechanism is provided on the spindle (4) below the spraying mechanism, two groups of air holes (16) are provided at both upper and lower ends of the spindle box (1), and an adjustment mechanism is provided on the air holes (16).

2. The main shaft cooling mechanism of the boring machine according to claim 1, characterized in that: The spraying mechanism comprises an annular tube (9), the annular tube (9) is located outside the main shaft (4) and is connected to the water inlet pipe (2), and a plurality of spray heads (10) are arranged inside the annular tube (9).

3. The main shaft cooling mechanism of the boring machine according to claim 2, characterized in that: The cooling mechanism comprises a first connecting block (5), the first connecting block (5) is located below the annular tube (9) on the main shaft (4), and a plurality of first spiral blades (6) are arranged on the outer side of the first connecting block (5).

4. The main shaft cooling mechanism of the boring machine according to claim 3, characterized in that: A second connecting block (7) is arranged on the main shaft (4) below the first connecting block (5), a plurality of second spiral leaves (8) are arranged on the outer side of the second connecting block (7), and the second spiral leaves (8) have the same rotation direction as the first spiral leaves (6).

5. The main shaft cooling mechanism of the boring machine according to claim 1, characterized in that: The upper and lower ends of the spindle box (1) are provided with fixed blocks (13) located outside the spindle (4); the inside of the fixed block (13) is connected to the spindle (4) via a bearing (14); and the fixed block (13) is fixedly connected to the spindle box (1) via a plurality of screws (15).

6. The main shaft cooling mechanism of the boring machine according to claim 1, characterized in that: The adjustment mechanism comprises a fixing plate (17), wherein the fixing plate (17) is located above the air vent (16), and the two sides of the bottom of the fixing plate (17) are fixedly connected to the spindle box (1) through support plates (18), and an electric push rod (19) is arranged at the bottom end of the fixing plate (17), and a pressure plate (20) is arranged at the output bottom end of the electric push rod (19), and the pressure plate (20) corresponds to the position of the air vent (16).

7. The main shaft cooling mechanism of the boring machine according to claim 6, characterized in that: A sealing pad (21) is provided at the bottom of the pressing plate (20).

8. The main shaft cooling mechanism of the boring machine according to claim 1, characterized in that: The water inlet pipe (2) is provided with a first solenoid valve (3), and the water outlet pipe (11) is provided with a second solenoid valve (12).

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