Main shaft center water outlet connecting mechanism of numerical control gantry machining center

Abstract

The utility model discloses a numerical control gantry machining center spindle center water outlet connecting mechanism which comprises a first fixing support, a second fixing support and a third fixing support, the outer side of the third fixing support is fixedly connected with the rear end of the second fixing support, and an adjusting assembly capable of reducing the damage rate is arranged at the front end of the first fixing support. According to the spindle center water outlet connecting mechanism of the numerical control gantry machining center, by arranging a right-angle plate, a long groove, a fixing screw and a fastening bolt, adaptive adjustment is conducted on the first spindle 1 and the second spindle 2, meanwhile, the connecting position of the fixing screw and the fastening bolt is locked, and it is guaranteed that a rotating connector cannot incline to affect the using effect; the problems that a connecting part of a water inlet hose is unreasonably fixed, a rotary joint is inclined due to stress, the rotary joint is damaged and leaks water due to high speed and high pressure, frequently leaked cutting fluid possibly damages a seal of a main shaft bearing, a main shaft is finally damaged, and frequent replacement is needed are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of numerical control gantry machining centers, in particular to a spindle center water outlet connection mechanism for a numerical control gantry machining center. Background Art

[0002] The gantry machining center is a machine tool used for CNC machining, mainly used for processing and precision machining of complex parts. It can perform processing on three coordinate axes simultaneously. The equipment is widely used in aerospace, automobile manufacturing, mold manufacturing, mechanical processing and other fields. It can improve processing efficiency and product quality and meet the processing needs of different industries.

[0003] Water flows out of the spindle center of the CNC gantry machining center, and the water inlet hose is connected to the rotary joint through the bracket. Water enters the spindle center from the rotary joint and then flows out through the tool center to cool the tool. The rotary joint connecting the key components requires high assembly accuracy, and the longitudinal runout must be as small as possible, otherwise the service life will be short. At present, the connection part of the water inlet hose is not fixed reasonably, which makes the rotary joint tilted under force. The high speed and high pressure cause the rotary joint to be damaged and leak. The frequently leaked cutting fluid may damage the seal of the spindle bearing, which will eventually damage the spindle and require frequent replacement.

[0004] Therefore, a new type of spindle center water outlet connection mechanism of CNC gantry machining center is proposed to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a water outlet connection mechanism for the spindle center of a CNC gantry machining center, so as to solve the problem proposed in the above-mentioned background technology that the water inlet hose connection part is unreasonably fixed, causing the rotary joint to be tilted under force, and the rotary joint to be damaged and leaked due to high speed and high pressure. The frequently leaked cutting fluid may damage the seal of the spindle bearing, and eventually the spindle will be damaged and need to be replaced frequently.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a spindle center water outlet connection mechanism for a CNC gantry machining center, comprising a first fixing bracket, a second fixing bracket, and a third fixing bracket, wherein the outer side of the third fixing bracket is fixedly connected to the rear end of the second fixing bracket, and the front end of the first fixing bracket is provided with an adjustment component capable of reducing the damage rate;

[0007] The adjustment assembly includes a shuttle valve, a right-angle plate, an elongated slot, a fixing screw, and a fastening bolt. The outer side of the first fixing bracket is fitted with a right-angle plate. The front end and side wall of the right-angle plate are both transversely provided with two groups of elongated slots. The front end of the right-angle plate is fitted with a shuttle valve. Fastening bolts are provided through the four corners of the shuttle valve.

[0008] Preferably, a plurality of sets of fixing screws are provided through the side wall of the right-angle plate, the fixing screws and the fastening bolts all pass through the interior of the elongated slot, and the outer sides of the fixing screws pass through the interior of the first fixing bracket.

[0009] Preferably, a second rigid high-pressure oil pipe is provided through the other side of the shuttle valve, a soft high-pressure oil pipe is fixedly connected to the outer side of the second rigid high-pressure oil pipe, a first rigid high-pressure oil pipe is fixedly connected to the side wall of the soft high-pressure oil pipe, and a first main shaft is provided on one side of the first fixed bracket.

[0010] Preferably, one side of the first main shaft is fixedly connected to the second main shaft, the side wall of the second main shaft is fixedly connected to a rotary joint, and the front end of one side of the rotary joint is fixedly connected to the rear end of the outer side of the first rigid high-pressure oil pipe.

[0011] Preferably, the center of the front end of the second fixing bracket is fixedly connected to the rear end of the side wall of the first fixing bracket, and the third fixing bracket is at a right angle to the second fixing bracket.

[0012] Preferably, a water inlet and an air inlet are provided transversely through one side of the shuttle valve from top to bottom, and the diameter of the water inlet is larger than the diameter of the air inlet.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows: the spindle center water outlet connection mechanism of the CNC gantry machining center not only realizes the adjustment function and the stability function, but also realizes the optimization structure function;

[0014] (1) By providing a right-angle plate, an elongated slot, a fixing screw and a fastening bolt, the fixing screw and the fastening bolt move in the elongated slot, and the shuttle valve drives the first rigid high-pressure oil pipe, the second rigid high-pressure oil pipe and the third rigid high-pressure oil pipe to move up and down and forward and backward, and the first main shaft 1 and the second main shaft 2 are adaptively adjusted to expand the scope of use of the structure. At the same time, the connection position of the fixing screw and the fastening bolt is locked to ensure that the rotary joint does not tilt and affect the use effect, thereby enhancing the stability of the structure and facilitating the operation of the structure;

[0015] (2) By providing a first rigid high-pressure oil pipe, a soft high-pressure oil pipe, a second rigid high-pressure oil pipe, a first main shaft and a second main shaft, the connection position of the first rigid high-pressure oil pipe and the rotary joint is optimized, and a strong supporting force is provided to the outer end of the rotary joint, so as to avoid the rotary joint from tilting due to force during rotation, and enhance the firmness and fixity between the first rigid high-pressure oil pipe and the rotary joint. At the same time, a right-angled first rigid high-pressure oil pipe is used to reserve a rotation space for the first rigid high-pressure oil pipe. The soft fixed connection of the soft high-pressure oil pipe can ensure that the rotary joint can be quickly adjusted to the target runout value.

[0016] (3) By providing a first fixing bracket, a second fixing bracket and a third fixing bracket, the second fixing bracket and the third fixing bracket cooperate with each other to ensure the stability of the overall structure. The first fixing bracket has a high degree of width adaptability to the right-angle plate, forming an independent operating space and providing protective shielding for the operating part. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 2 This is a front view structural diagram of the third fixing bracket of the present invention;

[0019] Figure 3 This is a schematic diagram of the three-dimensional structure of the second fixing bracket of the present invention;

[0020] Figure 4 This is a side structural schematic diagram of the first fixing bracket of the present invention.

[0021] In the figure: 1. First main shaft; 2. Second main shaft; 3. First rigid high-pressure oil pipe; 4. Flexible high-pressure oil pipe; 5. Second rigid high-pressure oil pipe; 6. Shuttle valve; 7. Air inlet; 8. Water inlet; 9. Right-angle plate; 10. Long slot; 11. Fixing screw; 12. First fixing bracket; 13. Second fixing bracket; 14. Rotary joint; 15. Fastening bolt; 16. Third fixing bracket. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] Example 1: Please refer to Figure 1-4 A water outlet connection mechanism for a spindle center of a CNC gantry machining center includes a first fixing bracket 12, a second fixing bracket 13, and a third fixing bracket 16. The outer side of the third fixing bracket 16 is fixedly connected to the rear end of the second fixing bracket 13. The front end of the first fixing bracket 12 is provided with an adjustment component that can reduce the damage rate.

[0024] The adjustment assembly includes a shuttle valve 6, a right-angle plate 9, an elongated slot 10, a fixing screw 11, and a fastening bolt 15. The right-angle plate 9 is fitted on the outside of the first fixing bracket 12. Two sets of elongated slots 10 are transversely opened on the front end and side wall of the right-angle plate 9. The shuttle valve 6 is fitted on the front end of the right-angle plate 9. Fastening bolts 15 are provided through the four corners of the shuttle valve 6.

[0025] A plurality of sets of fixing screws 11 are provided through the side wall of the right-angle plate 9. The fixing screws 11 and the fastening bolts 15 all pass through the interior of the elongated slot 10. The outer sides of the fixing screws 11 pass through the interior of the first fixing bracket 12.

[0026] Specifically, if Figure 1 and Figure 2 As shown, when in use, the shuttle valve 6 is placed on the front end of the right-angle plate 9, and the side wall of the right-angle plate 9 is placed on the outside of the first fixed bracket 12. Multiple sets of fixing screws 11 pass through the interior of the elongated slot 10 in sequence, and at the same time, the fastening bolts 15 pass through the interior of the elongated slot 10. Both are adjusted horizontally to an appropriate position in the elongated slot 10 and locked and fixed.

[0027] Example 2: A second rigid high-pressure oil pipe 5 is provided through the other side of the shuttle valve 6. A flexible high-pressure oil pipe 4 is fixedly connected to the outer side of the second rigid high-pressure oil pipe 5. A first rigid high-pressure oil pipe 3 is fixedly connected to the side wall of the flexible high-pressure oil pipe 4. A first main shaft 1 is provided on one side of the first fixed bracket 12.

[0028] A second main shaft 2 is fixedly connected to one side of the first main shaft 1, a rotary joint 14 is fixedly connected to the side wall of the second main shaft 2, and a front end of one side of the rotary joint 14 is fixedly connected to the rear end of the outer side of the first rigid high-pressure oil pipe 3;

[0029] Specifically, if Figure 1 and Figure 3 As shown, the connection position of the first rigid high-pressure oil pipe 3 and the rotary joint 14 is optimized during use, and a strong supporting force is provided to the outer end of the rotary joint 14 to avoid the rotary joint 14 being tilted due to force during rotation, thereby enhancing the firmness and fixity between the first rigid high-pressure oil pipe 3 and the rotary joint 14. At the same time, a right-angled first rigid high-pressure oil pipe 3 is adopted to reserve the rotation space of the first rigid high-pressure oil pipe 3. The soft fixed connection of the soft high-pressure oil pipe 4 can ensure that the rotary joint 14 is quickly adjusted to the target runout value.

[0030] Example 3: The center of the front end of the second fixing bracket 13 is fixedly connected to the rear end of the side wall of the first fixing bracket 12, the third fixing bracket 16 is at a right angle to the second fixing bracket 13, and a water inlet 8 and an air inlet 7 are provided laterally through one side of the shuttle valve 6 from top to bottom, and the diameter of the water inlet 8 is larger than the diameter of the air inlet 7;

[0031] Specifically, if Figure 1 and Figure 4 As shown, when in use, the second fixing bracket 13 and the third fixing bracket 16 cooperate with each other to ensure the stability of the overall structure. The first fixing bracket 12 has a high degree of width adaptability with the right-angle plate 9, forming an independent operating space and providing protective shielding for the operating part.

[0032] Working principle: When the present invention is in use, the shuttle valve 6 is placed on the front end of the right-angle plate 9, and the side wall of the right-angle plate 9 is placed on the outside of the first fixed bracket 12. Multiple sets of fixing screws 11 pass through the interior of the elongated slot 10 in sequence, and at the same time, the fastening bolts 15 pass through the interior of the elongated slot 10. Both are laterally adjusted to an appropriate position in the elongated slot 10 and locked and fixed. The cutting fluid enters the shuttle valve 6 through the water inlet 8, and enters the interior of the second rigid high-pressure oil pipe 5, the soft high-pressure oil pipe 4 and the first rigid high-pressure oil pipe 3 in sequence, and then passes through the rotary joint 14 and enters the middle of the second main shaft 2 and the first main shaft 1 in sequence, and flows out through the tool.

[0033] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A spindle center water outlet connection mechanism for a CNC gantry machining center, comprising a first fixed bracket (12), a second fixed bracket (13) and a third fixed bracket (16), characterized in that: The outer side of the third fixing bracket (16) is fixedly connected to the rear end of the second fixing bracket (13), and the front end of the first fixing bracket (12) is provided with an adjustment component capable of reducing the damage rate; The adjustment assembly includes a shuttle valve (6), a right-angle plate (9), an elongated slot (10), a fixing screw (11) and a fastening bolt (15); the outer side of the first fixing bracket (12) is fitted with a right-angle plate (9); the front end and the side wall of the right-angle plate (9) are both transversely provided with two groups of elongated slots (10); the front end of the right-angle plate (9) is fitted with a shuttle valve (6); and fastening bolts (15) are provided through the four corners of the shuttle valve (6).

2. The spindle center water outlet connection mechanism of a CNC gantry machining center according to claim 1, characterized in that: A plurality of sets of fixing screws (11) are provided through the side wall of the right-angle plate (9), the fixing screws (11) and the fastening bolts (15) both pass through the interior of the elongated slot (10), and the outer side of the fixing screws (11) passes through the interior of the first fixing bracket (12).

3. The spindle center water outlet connection mechanism of a CNC gantry machining center according to claim 1, characterized in that: A second rigid high-pressure oil pipe (5) is provided through the other side of the shuttle valve (6); a soft high-pressure oil pipe (4) is fixedly connected to the outer side of the second rigid high-pressure oil pipe (5); a first rigid high-pressure oil pipe (3) is fixedly connected to the side wall of the soft high-pressure oil pipe (4); and a first main shaft (1) is provided on one side of the first fixed bracket (12).

4. The water outlet connection mechanism for the spindle center of a CNC gantry machining center according to claim 3, characterized in that: One side of the first main shaft (1) is fixedly connected to the second main shaft (2), the side wall of the second main shaft (2) is fixedly connected to a rotary joint (14), and the front end of one side of the rotary joint (14) is fixedly connected to the rear end of the outer side of the first rigid high-pressure oil pipe (3).

5. The spindle center water outlet connection mechanism of a CNC gantry machining center according to claim 1, characterized in that: The center of the front end of the second fixing bracket (13) is fixedly connected to the rear end of the side wall of the first fixing bracket (12), and the third fixing bracket (16) is at a right angle to the second fixing bracket (13).

6. The spindle center water outlet connection mechanism of a CNC gantry machining center according to claim 1, characterized in that: A water inlet (8) and an air inlet (7) are provided on one side of the shuttle valve (6) extending transversely from top to bottom, and the diameter of the water inlet (8) is larger than the diameter of the air inlet (7).

Images