Center water outlet swinging head electric spindle combined with oil cylinder function

Abstract

The utility model discloses a center water outlet oscillating head electric spindle combined with an oil cylinder function, which is characterized by comprising a spindle body, a middle water outlet channel is arranged in the middle of the spindle body in a penetrating manner, an inserting groove is arranged on the right side of the spindle body, and a swivel joint connecting rod is arranged in the inserting groove. An oil cylinder part is arranged on the right side of the main shaft body, a mounting groove is formed in the oil cylinder part, a rear gland covers the right side of the oil cylinder part, a driving part is arranged in the mounting groove, and a first sealing part is arranged in the inserting groove. The overall size of the swing head spindle is more compact, the center water outlet function of the swing head motorized spindle is achieved, the special requirement of a swing head motorized spindle box body is met, the open type design is adopted, when a rotary connector breaks down, related parts can be directly replaced, other parts of the spindle do not need to be disassembled, the maintenance time is saved, and the efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric spindles, in particular to a center water outlet swing head electric spindle combined with the function of an oil cylinder. Background Art

[0002] For the existing electric spindle with the function of center water outlet, an external rotary joint is adopted and installed at the end of the spindle. However, due to the particularity of the housing of the swing head electric spindle, the installation space is limited, and the rotary joint cannot be installed at the end of the spindle. The existing swing head electric spindle with center water outlet adopts an internal center water outlet structure. However, when the rotary joint passes through the center water outlet medium, a small amount of leakage is bound to occur before the rotor and the stator are completely closed. If it fails to be discharged in time, the liquid will enter the spindle interior and damage the spindle. Moreover, once a failure occurs in the internal rotary joint, the main body of the spindle must be removed for maintenance and replacement, which is not conducive to maintenance. Content of the Utility Model

[0003] The purpose of the utility model is to provide a center water outlet swing head electric spindle combined with the function of an oil cylinder, which can solve at least one of the above technical problems. The technical solution of the utility model is as follows:

[0004] A center water outlet swing head electric spindle combined with the function of an oil cylinder, characterized by comprising: a spindle body, in the middle of the spindle body, a middle water outlet channel is penetrated and arranged, on the right side of the spindle body, a plug-in slot is arranged, in the plug-in slot, a rotary joint connecting rod is arranged, on the right side of the spindle body, an oil cylinder component is arranged, in the oil cylinder component, an installation slot is arranged, on the right side of the oil cylinder component, a rear gland is covered and arranged, in the installation slot, a driving part is arranged, in the plug-in slot, a first sealing part is arranged, between the driving part and the rear gland, a plurality of ceramic sealing rings are arranged, and on the upper and lower sides of the oil cylinder component, connecting parts are arranged.

[0005] Further, the rotary joint connecting rod includes a fixing part inserted and fixed in the plug-in slot, on the right side of the fixing part, a connecting rod is connected, in the plug-in slot and communicating with the middle water outlet channel, a butt joint pipe is arranged, on the left side of the fixing part, a butting port capable of butting with the butt joint pipe is arranged, and in the fixing part and the connecting rod, a connecting channel capable of communicating with the middle water outlet channel is arranged, so that the rotary joint connecting rod and the oil cylinder component can be quickly plugged and installed by a plugging method.

[0006] Further, the driving part includes a rotor arranged in the installation groove. The middle part of the rotor is sleeved on the connecting rod. A plurality of bearings are wrapped on the outer wall of the rotor, and each bearing is installed in the installation groove. A first O-ring seal is provided in a sealed manner between the rotor and the connecting rod. A spacer ring is provided between each bearing. A stator is fixed on the rear gland. The rotor and the stator are annular. The connecting rod is inserted into the middle of the rotor. An overflow ring is wrapped on the left side of the stator, so that the central water outlet medium enters one side of the gland and then the stator and the rotor are closed.

[0007] Further, the first sealing part includes a second O-ring seal arranged between the fixing part and the docking pipe. A plurality of third O-ring seals are provided between the fixing part and the insertion slot to seal between the fixing part and the docking pipe and prevent the central water outlet medium from leaking.

[0008] Further, a pre-tightening disc is sleeved on the right side of the rotor. A plurality of fourth O-ring seals are provided between the pre-tightening disc and the installation groove. A wave spring is provided between the pre-tightening disc and the installation groove to seal between the pre-tightening disc and the installation groove and prevent the central water outlet medium from leaking.

[0009] Further, a fifth O-ring seal is provided between the rear gland and the oil cylinder component. A sixth O-ring seal is provided between the stator and the rear gland. A cylindrical pin is fixed on the rear gland. The stator is installed on the cylindrical pin. The ceramic sealing ring is arranged between the stator and the rotor to achieve the seal between the stator and the rear gland.

[0010] Further, the connecting part includes a tubing joint communicated above the oil cylinder component. A quick connector is communicated below the oil cylinder component. A conveying channel that can be communicated with the tubing joint is provided on the rear gland. The conveying channel is communicated with the middle water outlet channel. The quick connector is communicated with the inside of the oil cylinder component to achieve the conveyance of the middle water outlet medium to one side of the rear gland and at the same time discharge the leakage liquid generated by the driving part.

[0011] Preferably, a plurality of screws are provided on the rear gland, and the rear gland is fixed on the right side of the oil cylinder component through the screws.

[0012] In summary, the beneficial effects of the present utility model relative to the prior art are:

[0013] The utility model provides a center water outlet swing head electric spindle combined with the function of an oil cylinder. When in use, the center water outlet medium enters the rear gland through the connecting part, then pushes the driving part to close. The center water outlet medium enters the center water outlet channel of the spindle body through the rotary joint connecting rod, so as to transport the center water outlet medium to the required position. During daily use, when the driving part closes, a very small amount of liquid leakage will occur, and at this time, it is discharged through the connecting part. At the same time, during use, the first sealing part and multiple sealing structures form a completely sealed state for the electric spindle to prevent the center water outlet medium from leaking into each component. Compared with the prior art, it can combine the function of the rotary joint with the oil cylinder component, ensure that the overall size of the swing head spindle is more compact, and realize the center water outlet function of the swing head electric spindle, meeting the special requirements of the swing head electric spindle box body. With an open design, when the rotary joint fails, relevant parts can be directly replaced without disassembling other parts of the spindle, saving maintenance time and improving efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the main body of the utility model.

[0015] DESCRIPTION OF THE REFERENCE NUMERALS: 1, spindle body; 2, intermediate water outlet channel; 3, insertion slot; 4, rotary joint connecting rod; 5, oil cylinder component; 6, installation slot; 7, rear gland; 100, driving part; 200, first sealing part; 404, ceramic sealing ring; 500, connecting part; 41, fixing piece; 42, connecting rod; 43, docking pipe; 44, docking port; 45, connecting channel; 101, rotor; 102, bearing; 103, first O-ring; 104, spacer ring; 105, stator; 106, overflow ring; 201, second O-ring; 202, third O-ring; 301, pre-tightening disc; 302, fourth O-ring; 303, corrugated spring; 401, fifth O-ring; 402, sixth O-ring; 403, cylindrical pin;; 501, oil pipe joint; 502, quick connector; 503, conveying channel; 71, screw. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0016] The present utility model will be further described below in conjunction with the drawings and the detailed description of the embodiments:

[0017] As Figure 1A center water outlet swing head electric spindle combined with the function of an oil cylinder is characterized by comprising: a spindle body 1, a middle water outlet channel 2 is arranged through the middle of the spindle body 1, a plug-in slot 3 is arranged on the right side of the spindle body 1, a rotary joint connecting rod 4 is arranged in the plug-in slot 3, an oil cylinder component 5 is arranged on the right side of the spindle body 1, an installation slot 6 is arranged in the oil cylinder component 5, a rear gland 7 is covered and arranged on the right side of the oil cylinder component 5, a driving part 100 is arranged in the installation slot 6, a first sealing part 200 is arranged in the plug-in slot 3, a plurality of ceramic sealing rings 404 are arranged between the driving part 100 and the rear gland 7, and connecting parts 500 are arranged on the upper and lower sides of the oil cylinder component 5.

[0018] For a center water outlet swing head electric spindle combined with the function of an oil cylinder with the above structure, when in use, the center water outlet medium enters the rear gland through the connecting part and then pushes the driving part to close. The center water outlet medium enters the center water outlet channel of the spindle body through the rotary joint connecting rod, so as to transport the center water outlet medium to the required position. During daily use, a very small amount of liquid leakage will occur when the driving part closes. At this time, it is discharged through the connecting part. At the same time, during use, the first sealing part and a plurality of sealing structures form a completely sealed state for the electric spindle to prevent the center water outlet medium from leaking into each component. Compared with the prior art, it can combine the function of the rotary joint with the oil cylinder component, ensure that the overall size of the swing head spindle is more compact, and realize the center water outlet function of the swing head electric spindle, meeting the special requirements of the swing head electric spindle box body. With an open design, when the rotary joint fails, relevant parts can be directly replaced without disassembling other parts of the spindle, saving maintenance time and improving efficiency.

[0019] As Figure 1 shown, in some embodiments of the present invention, the rotary joint connecting rod 4 includes a fixing part 41 inserted and fixed in the plug-in slot 3, a connecting rod 42 is connected to the right side of the fixing part 41, a docking pipe 43 is arranged in the plug-in slot 3 and communicated with the middle water outlet channel 2, a docking port 44 capable of docking with the docking pipe 43 is arranged on the left side of the fixing part 41, and a connecting channel 45 capable of communicating with the middle water outlet channel 2 is arranged in the fixing part 41 and the connecting rod 42. The middle water medium is transported into the fixing part 41 through the connecting channel 45 on the connecting rod 42 and is simultaneously transported to the middle water outlet channel 2. During installation, the docking port 44 is inserted into the docking pipe 43 in the plug-in slot 3.

[0020] As Figure 1As shown, in some embodiments of the present utility model, the driving part 100 includes a rotor 101 disposed in the mounting groove 6. The middle part of the rotor 101 is sleeved on the connecting rod 42. A plurality of bearings 102 are wrapped around the outer wall of the rotor 101, and each of the bearings 102 is installed in the mounting groove 6. A first O-ring 103 is hermetically provided between the rotor 101 and the connecting rod 42. A spacer ring 104 is provided between each of the bearings 102. A stator 105 is fixed on the rear gland 7. The rotor 101 and the stator 105 are annular. The connecting rod 42 is inserted into the middle part of the rotor 101. An overflow ring 106 is wrapped around the left side of the stator 105.

[0021] When a center water outlet swing head electric spindle combined with the function of an oil cylinder of the above structure is in operation, by the user installing the bearings 102, the spacer ring 104 and the overflow ring 106 on the rotor 101 in sequence, the rotor 101 is installed in the mounting groove 6 within the oil cylinder component 5. The mounting groove 6 of the rotor 101 is connected to the outer circle of the connecting rod 42. The stator 105 is installed on the rear gland 7 through a cylindrical pin 403. A first O-ring 103 is hermetically provided between the rotor 101 and the connecting rod 42, so that a sealing relationship is formed between the rotor 101 and the connecting rod 42.

[0022] As Figure 1 shown, in some embodiments of the present utility model, the first sealing part 200 includes a second O-ring 201 disposed between the fixing member 41 and the docking pipe 43, and a plurality of third O-rings 202 are provided between the fixing member 41 and the insertion slot 3.

[0023] A pre-tightening disc 301 is sleeved on the right side of the rotor 101. A plurality of fourth O-rings 302 are provided between the pre-tightening disc 301 and the mounting groove 6, and a corrugated spring 303 is provided between the pre-tightening disc 301 and the mounting groove 6.

[0024] A fifth O-ring 401 is provided between the rear gland 7 and the oil cylinder component 5. A sixth O-ring 402 is provided between the stator 105 and the rear gland 7. A cylindrical pin 403 is fixed on the rear gland 7, and the stator 105 is installed on the cylindrical pin 403. The ceramic sealing ring 404 is disposed between the stator 105 and the rotor 101.

[0025] A plurality of screws 71 are provided on the rear gland 7, and the rear gland 7 is fixed to the right side of the oil cylinder component 5 through the screws 71.

[0026] When a center water outlet swing head electric spindle combined with an oil cylinder function of the above structure is in operation, sealing rings 404 are installed in the inner holes of the rotor 101 and the stator 105. The rear gland 7 is installed at the end of the oil cylinder component 5 through screws 71. The second O-ring 201 seals between the fixing part 41 and the docking pipe 43. The third O-ring 202 seals between the fixing part 41 and the insertion slot 3. The pre-tightening disc 301 installs the rotor 101 in the installation slot 6. The fourth O-ring 302 seals between the pre-tightening disc 301 and the installation slot 6. The fifth O-ring 401 seals between the rear gland 7 and the oil cylinder component 5. The sixth O-ring 402 seals between the stator 105 and the rear gland 7. The stator (105) is installed on the cylindrical pin (403) and the stator 105 can axially move along the cylindrical pin (403). The ceramic sealing ring (404) is arranged between the stator (105) and the rotor (101) and is in a closed state under the working condition.

[0027] As Figure 1 shown, in some embodiments of the present invention, the connecting part 500 includes a tubing joint 501 communicated and arranged above the oil cylinder component 5, a quick connector 502 communicated and arranged below the oil cylinder component 5, a conveying channel 503 capable of communicating with the tubing joint 501 is arranged on the rear gland 7, the conveying channel 503 is communicated with the middle water outlet channel 2, and the quick connector 502 is communicated with the inside of the oil cylinder component 5.

[0028] When a center water outlet swing head electric spindle combined with an oil cylinder function of the above structure is in operation, the center water outlet medium enters the rear gland 7 through the tubing joint 501, pushes the stator 105 and the rotor 101 to close, enters the front end of the spindle body 1 through the rotary joint connecting rod 4. A very small amount of liquid will leak at the moment when the stator 105 and the rotor 101 are closed, and the liquid is discharged by the quick connector 502 arranged on the rear gland 7.

[0029] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A center-discharge water-discharging swing head electric spindle combined with the function of an oil cylinder, characterized in that: include: A main shaft body (1), wherein an intermediate water outlet (2) is provided in the middle of the main shaft body (1), a plug-in slot (3) is provided on the right side of the main shaft body (1), a swivel joint connecting rod (4) is provided in the plug-in slot (3), a cylinder component (5) is provided on the right side of the main shaft body (1), a mounting slot (6) is provided in the cylinder component (5), a rear pressure cover (7) is provided on the right side of the cylinder component (5), a driving part (100) is provided in the mounting slot (6), a first sealing part (200) is provided in the plug-in slot (3), a plurality of ceramic sealing rings (404) are provided between the driving part (100) and the rear pressure cover (7), and connecting parts (500) are provided on the upper and lower sides of the cylinder component (5).

2. The central water outlet swing head electric spindle combined with the function of the oil cylinder according to claim 1 is characterized in that The swivel joint connecting rod (4) comprises a fixing member (41) inserted and fixed in the inserting groove (3), a connecting rod (42) connected to the right side of the fixing member (41), a butt joint pipe (43) provided in the inserting groove (3) and connected to the middle water outlet (2), a butt joint (44) capable of butt jointing with the butt joint pipe (43) provided on the left side of the fixing member (41), and a connecting channel (45) capable of communicating with the middle water outlet (2) provided in the fixing member (41) and the connecting rod (42).

3. The central water outlet swing head electric spindle combined with the function of the oil cylinder according to claim 2 is characterized in that The driving part (100) comprises a rotor (101) arranged in a mounting groove (6), the middle part of the rotor (101) is sleeved on a connecting rod (42), a plurality of bearings (102) are wrapped around the outer wall of the rotor (101), each of the bearings (102) is installed in the mounting groove (6), a first O-ring (103) is sealed between the rotor (101) and the connecting rod (42), a spacer ring (104) is provided between each of the bearings (102), a stator (105) is fixed on the rear gland (7), the rotor (101) and the stator (105) are annular, the connecting rod (42) is inserted in the middle part of the rotor (101), and an overflow ring (106) is wrapped around the left side of the stator (105).

4. The central water outlet swing head electric spindle combined with the function of the oil cylinder according to claim 2 is characterized in that The first sealing portion (200) comprises a second O-type sealing ring (201) arranged between the fixing member (41) and the butt joint pipe (43), and a plurality of third O-type sealing rings (202) are arranged between the fixing member (41) and the plug-in groove (3).

5. The central water outlet swing head electric spindle combined with the function of the oil cylinder according to claim 3 is characterized in that A preload disk (301) is sleeved on the right side of the rotor (101), a plurality of fourth O-type sealing rings (302) are provided between the preload disk (301) and the mounting groove (6), and a wave spring (303) is provided between the preload disk (301) and the mounting groove (6).

6. The central water outlet swing head electric spindle combined with the function of the oil cylinder according to claim 3, characterized in that A fifth O-type sealing ring (401) is provided between the rear gland (7) and the cylinder component (5), a sixth O-type sealing ring (402) is provided between the stator (105) and the rear gland (7), a cylindrical pin (403) is fixed to the rear gland (7), the stator (105) is mounted on the cylindrical pin (403), and the ceramic sealing ring (404) is arranged between the stator (105) and the rotor (101).

7. The central water outlet swing head electric spindle combined with the function of the oil cylinder according to claim 1, characterized in that The connecting portion (500) comprises an oil pipe joint (501) arranged above the oil cylinder component (5), a quick-connect joint (502) arranged below the oil cylinder component (5), a delivery channel (503) capable of communicating with the oil pipe joint (501) is provided on the rear gland (7), the delivery channel (503) is connected to the middle water outlet (2), and the quick-connect joint (502) is connected to the inside of the oil cylinder component (5).

8. The central water outlet swing head electric spindle combined with the function of the oil cylinder according to claim 1, characterized in that A plurality of screws (71) are provided on the rear pressure cover (7), and the rear pressure cover (7) is fixed to the right side of the oil cylinder component (5) by means of the screws (71).

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