Automatic cooling system for vertical drilling and tapping center
By introducing the design of water storage tank, cooling box and cooling water box into the vertical drilling center, the brush is used to form an annular water curtain cooling tool, which solves the problems of splashing water and insufficient cooling, and achieves an efficient and uniform cooling effect.
Patent Information
- Application Number
- CN202422030339.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-21
- Publication Date
- 2025-07-22
- Estimated Expiration
- 2034-08-21
AI Technical Summary
The existing vertical drilling center cooling method results in splashing water and insufficient cooling, which may damage the equipment and inefficient cooling.
The design of a water storage tank, cooling box and cooling water box is adopted. After the cooling water is heat-exchanged with the spindle through the cooling box, an annular water curtain is formed through a brush to prevent water from splashing and improve cooling efficiency.
It achieves cooling without splashes, ensuring uniform cooling of the spindle and tool, improving cooling efficiency and avoiding equipment damage.
Smart Images

Figure CN223130156U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to an automatic cooling system for a vertical drilling and tapping center. Background Art
[0002] When a vertical drilling and tapping center works in the prior art, its main shaft is generally cooled by an internal cooling oil system, and a cooling nozzle arranged in the frame sprays water to the position where the tool drills and taps to cool the tool. This cooling method has the following deficiencies: spraying water by the cooling nozzle to the position where the tool drills and taps will cause water splashing everywhere, and the sprayed water will drive the debris generated during the drilling and tapping process to randomly fall into the drilling and tapping center, which may cause damage to the equipment; the sprayed water only cools the tool and is not fully utilized. Summary of the Utility Model
[0003] The purpose of the utility model is to overcome the above deficiencies of the prior art and provide an automatic cooling system for a vertical drilling and tapping center, which will not cause water splashing everywhere inside the equipment and can make more full use of the cooling water.
[0004] The technical solution of the utility model is: an automatic cooling system for a vertical drilling and tapping center, including a water storage tank, a cooling box arranged outside the lower end of the main shaft, and a cooling water box arranged on one side of the tool;
[0005] The lower end of the main shaft has a fixing groove corresponding to the cooling box, the fixing groove is densely covered with convex strips, the back of the cooling box has grooves corresponding to the convex strips, the cooling box is fixed in the fixing groove, and each convex strip matches the corresponding groove;
[0006] A column is further arranged at the lower end of the cooling box, the cooling water box is fixed at the bottom of the column, and a cooling water channel communicating with the cooling box is also arranged in the column. The cooling water in the water storage tank sequentially enters the cooling water box through the cooling box and the cooling water channel;
[0007] The middle part of the cooling water box has an avoidance groove corresponding to the upper end of the tool. The part of the avoidance groove close to the upper end of the tool has a drainage port, and a circle of brush is arranged at the edge of the drainage port. The brush is in a horn shape with a wider upper part and a narrower lower part, and the bottom edge of the brush keeps a distance from the outer circumference of the tool, and the cooling water falls along the brush and is poured on the tool.
[0008] Further, the cooling box is fixed on the front of the lower end of the main shaft.
[0009] Further, a supporting platform is further arranged at the lower end of the main shaft, and the lower end of the cooling box abuts against the supporting platform.
[0010] Further, two deep grooves are respectively arranged on both sides in the fixing groove, screw holes are arranged in the deep grooves, fixing parts corresponding to the deep grooves are respectively arranged on both sides of the cooling box, and the fixing parts are inserted into the deep grooves and fixed to the main shaft through bolts.
[0011] Further, the cooling box is connected to the water storage tank through a pipe body and a cooling water pump.
[0012] Further, the pipe body is a metal corrugated pipe.
[0013] Further, the bottom of the column has a cooling water outlet, the cooling water outlet communicates with the cooling water channel inside the column, the rear end of the cooling water box has an opening corresponding to the cooling water outlet, and the end of the cooling water outlet extends into the cooling water box through the opening.
[0014] Further, the bottom of the cooling box has an interface, the column is fixed to the bottom of the cooling box and the cooling water channel inside it is connected to the interface, and a seal is also provided at the connection between the cooling water channel and the interface.
[0015] Further, the top of the cooling water box is open.
[0016] Further, an extension column is also fixed to the bottom of the column, and a reinforcing plate is provided between the extension column and the bottom of the cooling water box.
[0017] The beneficial effects of the present utility model are as follows: When the vertical drilling and tapping center is working, the cooling water in the water storage tank sequentially enters the cooling water box through the cooling box and the cooling water channel. When the cooling water enters the cooling box, the cooling box exchanges heat with the main shaft to cool the main shaft, so as to avoid overheating of the main shaft; after the cooling water enters the cooling water box, it falls along the brush from the drain port, and the annular water curtain is sprayed on the tool. On the one hand, it avoids the situation of water splashing caused by the spraying method, and on the other hand, the annular water curtain can also cool the tool evenly. In addition, the cooling water box moves with the displacement of the main shaft, which can ensure that the cooling water always accurately cools the tool and the drilling and tapping position of the tool on the workpiece. Description of the Drawings
[0018] Figure 1 is a schematic structural diagram of the side of the present utility model;
[0019] Figure 2 is a schematic structural diagram of the front of the present utility model after removing the cooling box;
[0020] Figure 3 is a schematic structural diagram of the cooling water box of the present utility model.
[0021] In the figure: main shaft 1, cooling box 2, cooling water box 3, fixing groove 4, column 5, cooling water channel 6, avoiding groove 7, drain port 8, brush 9, support table 10, deep groove 11, cooling water outlet 12, extension column 13, reinforcing plate 14, tool 15. Detailed Embodiments
[0022] The technical solution of the present utility model will be further specifically described below through embodiments in conjunction with the accompanying drawings.
[0023] Combined with Figures 1 - 3 As shown, an automatic cooling system for a vertical drilling and tapping center includes a water storage tank, a cooling box 2 provided outside the lower end of the main shaft 1, and a cooling water box 3 provided on one side of the tool 15.
[0024] The lower end of the main shaft 1 has a fixing groove 4 corresponding to the cooling box 2. The fixing groove 4 is densely covered with protrusions. The back of the cooling box 2 has grooves corresponding to each protrusion. The cooling box 2 is fixed in the fixing groove 4, and each protrusion matches the corresponding groove to expand the heat exchange area between the cooling box 2 and the surface of the main shaft 1.
[0025] A column 5 is further provided at the lower end of the cooling box 2. The cooling water box 3 is fixed at the bottom of the column 5. A cooling water channel 6 communicating with the cooling box 2 is also provided in the column 5. The cooling water in the water storage tank sequentially enters the cooling water box 3 through the cooling box 2 and the cooling water channel 6.
[0026] The middle part of the cooling water box 3 has an avoidance groove 7 corresponding to the upper end of the tool 15. The part of the avoidance groove 7 close to the upper end of the tool 15 has a drain port 8. A circle of brush 9 is also provided at the edge of the drain port 8. The brush 9 is in the shape of a horn with a wider top and a narrower bottom. The bottom edge of the brush 9 keeps a distance from the outer circumference of the tool 15, and the cooling water falls along the brush 9 and is sprinkled on the tool 15.
[0027] The working principle and beneficial effects of the above structure are as follows: When the vertical drilling and tapping center is working, the cooling water in the water storage tank sequentially enters the cooling water box 3 through the cooling box 2 and the cooling water channel 6. When the cooling water enters the cooling box 2, the cooling box 2 exchanges heat with the main shaft 1 to cool down the main shaft 1 to avoid overheating of the main shaft 1. After the cooling water enters the cooling water box 3, it falls along the brush 9 from the drain port 8, and the ring-shaped water curtain is sprinkled on the tool 15. On the one hand, it avoids the situation of splashing water caused by the spraying method. On the other hand, the ring-shaped water curtain can also evenly cool the tool 15. In addition, the cooling water box 3 moves with the displacement of the main shaft 1, which can ensure that the cooling water always accurately cools the tool 15 and the drilling and tapping position of the tool 15 on the workpiece.
[0028] In another embodiment, combined with Figure 1 and Figure 2 As shown, the cooling box 2 is fixed on the front of the lower end of the main shaft 1 for easy disassembly and assembly of the cooling box 2.
[0029] In another embodiment, combined with Figure 1 and Figure 2 As shown, a support table 10 is further provided at the lower end of the main shaft 1, and the lower end of the cooling box 2 abuts against the support table 10.
[0030] In another embodiment, as Figure 2 shown, both sides inside the fixing groove 4 are respectively provided with a deep groove 11. A screw hole is provided inside the deep groove 11. Both sides of the cooling box 2 are respectively provided with fixing parts corresponding to the deep grooves 11. The fixing parts are inserted into the deep grooves 11 and fixed to the main shaft 1 by bolts.
[0031] In another embodiment, the cooling box 2 is connected to a water storage tank through a pipe body and a cooling water pump.
[0032] In another embodiment, the pipe body is a metal bellows.
[0033] In another embodiment, as Figure 3 shown, the bottom of the column 5 is provided with a cooling water outlet 12. The cooling water outlet 12 communicates with a cooling water channel 6 inside the column 5. The rear end of the cooling water box 3 has an opening corresponding to the cooling water outlet 12. The end of the cooling water outlet 12 extends into the cooling water box 3 through the opening.
[0034] In another embodiment, the bottom of the cooling box 2 is provided with an interface. The column 5 is fixed to the bottom of the cooling box 2 and the cooling water channel 6 inside it is connected to the interface. A seal is also provided at the connection between the cooling water channel 6 and the interface.
[0035] In another embodiment, as Figure 3 shown, the top of the cooling water box 3 is open.
[0036] In another embodiment, as Figure 3 shown, an extension column 13 is further fixed to the bottom of the column 5. A reinforcing plate 14 is also provided between the extension column 13 and the bottom of the cooling water box 3 to ensure the reliability of the fixation of the cooling water box 3.
Claims
1. An automatic cooling system for a vertical drilling and tapping center, characterized in that, It includes a water storage tank, a cooling box (2) arranged outside the lower end of the main shaft (1), and a cooling water box (3) arranged on one side of the cutting tool (15). The lower end of the main shaft (1) has a fixing groove (4) corresponding to the cooling box (2). The fixing groove (4) is densely covered with ridges. The back of the cooling box (2) has grooves corresponding to the ridges. The cooling box (2) is fixed in the fixing groove (4), and each ridge matches the corresponding groove. A column (5) is further provided at the lower end of the cooling box (2). The cooling water box (3) is fixed at the bottom of the column (5). A cooling water channel (6) communicating with the cooling box (2) is also provided in the column (5). The cooling water in the water storage tank sequentially enters the cooling water box (3) through the cooling box (2) and the cooling water channel (6). The middle of the cooling water box (3) has an avoidance groove (7) corresponding to the upper end of the cutting tool (15). The part of the avoidance groove (7) close to the upper end of the cutting tool (15) has a drain port (8). A circle of brush (9) is also provided at the edge of the drain port (8). The brush (9) is in the shape of a horn with a wider upper part and a narrower lower part. The bottom edge of the brush (9) keeps a distance from the outer circumference of the cutting tool (15), and the cooling water falls along the brush (9) and drips on the cutting tool (15).
2. The automatic cooling system of a vertical drilling and tapping center as described in claim 1, characterized in that, The cooling box (2) is fixed on the front of the lower end of the main shaft (1).
3. The automatic cooling system of a vertical drilling and tapping center according to claim 2, characterized in that, A support table (10) is further provided at the lower end of the main shaft (1). The lower end of the cooling box (2) abuts against the support table (10).
4. The automatic cooling system of a vertical drilling and tapping center according to claim 3, characterized in that, On both sides inside the fixing groove (4), there is also a deep groove (11) respectively. The deep groove (11) has a screw hole. On both sides of the cooling box (2), there are fixing parts corresponding to the deep grooves (11). The fixing parts are inserted into the deep grooves (11) and fixed to the main shaft (1) through bolts.
5. The automatic cooling system of a vertical drilling and tapping center according to claim 4, characterized in that, The cooling box (2) is connected to the water storage tank through a pipe body and a cooling water pump.
6. The automatic cooling system of a vertical drilling and tapping center according to claim 5, characterized in that, The pipe body is a metal bellows.
7. The automatic cooling system of a vertical drilling and tapping center according to claim 6, characterized in that, The bottom of the column (5) has a cooling water outlet (12). The cooling water outlet (12) communicates with the cooling water channel (6) inside the column (5). The back end of the cooling water box (3) has an opening corresponding to the cooling water outlet (12). The end of the cooling water outlet (12) extends into the cooling water box (3) from the opening.
8. The automatic cooling system of a vertical drilling and tapping center according to claim 7, characterized in that, The bottom of the cooling box (2) has an interface. The column (5) is fixed at the bottom of the cooling box (2), and the cooling water channel (6) inside it is connected to the interface. A seal is also provided at the connection of the cooling water channel (6) and the interface.
9. The automatic cooling system of a vertical drilling and tapping center according to claim 8, characterized in that, The top of the cooling water box (3) is open.
10. The automatic cooling system of a vertical drilling and tapping center according to claim 9, characterized in that, An extension column (13) is further fixed at the bottom of the column (5). A reinforcing plate (14) is also provided between the extension column (13) and the bottom of the cooling water box (3).