CN211760077U - Center air blowing clamping mechanism of main shaft - Google Patents
Center air blowing clamping mechanism of main shaft Download PDFInfo
- Publication number
- CN211760077U CN211760077U CN202020159412.0U CN202020159412U CN211760077U CN 211760077 U CN211760077 U CN 211760077U CN 202020159412 U CN202020159412 U CN 202020159412U CN 211760077 U CN211760077 U CN 211760077U
- Authority
- CN
- China
- Prior art keywords
- claw
- draw
- pull
- rotor
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Auxiliary Devices For Machine Tools (AREA)
Abstract
The utility model discloses a clamping mechanism blows at center of main shaft, the main shaft is including rotor and handle of a knife, by back to preceding pull rod, draw the claw seat and draw the claw in proper order in the rotor, draw the rear end of claw seat with pull rod fixed connection, draw the front end of claw seat with draw the claw block to connect, the rear end of handle of a knife is fixed with and can insert draw the inboard handle of a knife connecting rod of claw, the pull rod with draw and set up the central gas circuit that communicates in proper order in the claw seat, the front end opening orientation of central gas circuit the handle of a knife connecting rod, draw the lateral part of claw seat to have seted up a plurality of side direction gas pockets, the one end of side direction gas pocket with central gas circuit is linked together, the other end of side direction gas pocket communicate in draw the claw with clearance between the rotor. The utility model discloses can carry out the inside and outside cleanness in step to the gripper part, avoid the pollutant by drawing the gripper outside to get into the main shaft to promote main shaft performance, increase of service life.
Description
Technical Field
The utility model relates to a main shaft especially relates to a central clamping mechanism that blows of main shaft.
Background
In the prior art, the main shaft generally has a central gas circuit structure, the central gas circuit of present main shaft mainly adopts central jet orifice, the mode of giving vent to anger in this kind of center, can only play cleaning action to parts such as draw claw inboard and handle of a knife rear end, it is difficult to clean through the air current to draw the space between claw subassembly and the rotor, lead to the pollutant to get into very easily and draw claw outside part and pull rod dish spring etc. department, thereby lead to drawing the claw subassembly to rust, the wearing and tearing of sealing rubber ring became invalid, the condition such as dish spring rusty takes place, the main shaft clamping system that finally leads to became invalid, seriously influence the life of main shaft.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to prior art's not enough, provide one kind and can carry out the inside and outside cleanness in step to the gripper portion, avoid the pollutant by drawing the claw outside to get into the main shaft to promote main shaft performance, increase of service life's center clamping mechanism that blows.
In order to solve the technical problem, the utility model adopts the following technical scheme.
A central air blowing clamping mechanism of a main shaft comprises a rotor and a tool shank, wherein a pull rod, a claw pulling seat and a claw pulling are sequentially arranged in the rotor from back to front, the rear end of the claw pulling seat is fixedly connected with the pull rod, the front end of the claw pulling seat is connected with the claw pulling in a clamping manner, the rear end of the tool shank is fixedly provided with a tool shank connecting rod capable of being inserted into the inner side of the claw pulling, a sequentially communicated central air passage is formed in the pull rod and the claw pulling seat, the front end of the central air passage is opened towards the tool shank connecting rod, a plurality of lateral air holes are formed in the lateral part of the claw pulling seat, one ends of the lateral air holes are communicated with the central air passage, and the other ends of the lateral air holes are communicated with a gap between the claw pulling and the rotor; when the cutter is loosened, the pull rod pushes the pull claw forwards through the pull claw seat, the pull claw unloads clamping force on the cutter handle connecting rod, the cutter handle is separated from the rotor, one part of air flow in the central air passage is blown to the cutter handle connecting rod, the other part of air flow is blown to a gap between the pull claw and the rotor through the lateral air hole, and the air flow is blown to the cutter handle along the inner wall of the rotor.
Preferably, the lateral air hole extends in a radial direction of the pawl seat.
Preferably, a plurality of lateral air holes are evenly distributed along the circumferential direction of the pull claw seat.
Preferably, the outer side of the claw seat is provided with an annular air groove, the annular air groove surrounds the claw seat, and the plurality of lateral air holes are communicated with the annular air groove.
Preferably, draw the claw including a plurality of draw the claw piece, the rear end inboard of drawing the claw piece is formed with the lug, draw the outside of claw seat and seted up the draw-in groove, the lug card is located in the draw-in groove, the spring groove has been seted up in the outside of lug, and the outside cover of a plurality of draw the claw piece is equipped with a spring coil, the spring coil card is located a plurality of spring inslots, borrows by the elasticity order that the spring coil was applyed the lug with the mutual block of draw-in groove.
Preferably, the outer side of the claw seat is sleeved with a claw sleeve which is fixedly connected with the claw seat, and a gap is formed between the claw sleeve and the rotor.
Preferably, the pull claw sleeve is provided with an air guide port, one end of the air guide port is communicated with a gap between the pull claw sleeve and the rotor, and the other end of the air guide port is communicated with the annular air groove.
Preferably, a plurality of bayonets have been seted up to the front end of draw claw cover, and a plurality of bayonets are followed the circumference evenly distributed of draw claw cover, the bayonet socket with draw the claw piece to align one by one, the rear end card of drawing the claw piece is located in the bayonet socket and two swing joint.
Preferably, the pull claw sleeve is in threaded connection with the pull claw seat.
Preferably, a tapered opening is formed in the front end of the rotor, a tapered side wall is formed at the rear end of the tool holder, the taper of the tapered opening is the same as that of the tapered side wall, and the tool holder is tightly matched with the rotor when the tool is clamped.
The utility model discloses an among the central clamping mechanism that blows of main shaft, through in the lateral part of draw claw seat sets up a plurality of side direction gas pockets, will central gas circuit communicate in draw the outside of claw, when the main shaft carries out the unclamping action, can with the air current in the central gas circuit by central route blow to the handle of a knife connecting rod, another part of air current passes through the side direction gas pocket blows to the clearance in the draw the claw outside, again along the inner wall of rotor blows to the handle of a knife to blow to outside around the handle of a knife, under the effect of side direction gas pocket, can pass through the air current is blown to the outside of draw the claw, and then prevents pollutants such as water, dirt bits from getting into in the outside of draw the claw and places such as pull rod dish spring when the unclamping, makes the utility model discloses can carry out inside and outside synchronous cleanness to draw the claw part, promote main shaft performance greatly, prolonged the life of main shaft, meanwhile, air pressure is formed at the end part of the pulling claw, so that air at the front end is prevented from entering the cutter spindle due to negative pressure.
Drawings
FIG. 1 is a cross-sectional view of the center air-blowing clamping mechanism of the present invention in a state of releasing the knife;
FIG. 2 is a cross-sectional view of the central air-blowing clamping mechanism of the present invention in a knife clamping state;
FIG. 3 is a perspective view of the pawl seat;
FIG. 4 is a longitudinal cross-sectional view of the pawl seat;
FIG. 5 is a transverse cross-sectional view of the pawl seat;
FIG. 6 is an internal view of the pull jaw seat, pull jaw sleeve and pull jaw;
fig. 7 is a cross-sectional view of the pull claw seat, the pull claw sleeve and the pull claw.
Detailed Description
The present invention will be described in more detail with reference to the accompanying drawings and examples.
The utility model discloses a central air-blowing clamping mechanism of a main shaft, which is shown in a combined figure 1 to a figure 7, the main shaft comprises a rotor 1 and a tool handle 5, a pull rod 2, a pull claw seat 3 and a pull claw 4 are sequentially arranged in the rotor 1 from back to front, the rear end of the pull claw seat 3 is fixedly connected with the pull rod 2, the front end of the pull claw seat 3 is clamped and connected with the pull claw 4, a handle connecting rod 50 which can be inserted into the inner side of the pull claw 4 is fixed at the rear end of the handle 5, a central air passage 20 which is communicated in sequence is arranged in the pull rod 2 and the pull claw seat 3, the front end opening of the central air passage 20 faces the handle connecting rod 50, the side part of the draw claw seat 3 is provided with a plurality of lateral air holes 30, one end of the lateral air hole 30 is communicated with the central air passage 20, and the other end of the lateral air hole 30 is communicated with a gap between the pull claw 4 and the rotor 1;
when clamping a knife, the pull rod 2 pulls the pull claw 4 backwards through the pull claw seat 3, the pull claw 4 clamps the knife handle connecting rod 50 and pulls the knife handle 5 backwards, and the central gas path 20 is closed by means of the close fit between the knife handle 5 and the rotor 1;
when the cutter is loosened, the pull rod 2 pushes the pull claw 4 forwards through the pull claw seat 3, the clamping force on the cutter handle connecting rod 50 is removed by the pull claw 4, the cutter handle 5 is separated from the rotor 1, one part of air flow in the central air passage 20 is blown to the cutter handle connecting rod 50, and the other part of air flow is blown to a gap between the pull claw 4 and the rotor 1 through the lateral air hole 30 and is blown to the cutter handle 5 along the inner wall of the rotor 1.
In the above structure, the plurality of lateral air holes 30 are arranged on the side of the draw claw seat 3, so that the central air passage 20 is communicated with the outer side of the draw claw 4, when the spindle performs the tool loosening action, the air flow in the central air passage 20 can be blown to the handle connecting rod 50 from a central path, the other part of the air flow is blown to the gap outside the pulling claw 4 through the lateral air hole 30 and then blown to the handle 5 along the inner wall of the rotor 1, so that the periphery of the handle 5 is blown outwards, under the action of the lateral air holes 30, air flow can be blown through the outer side of the pulling claw 4, so that when the cutter is loosened, pollutants such as water, dust and the like are prevented from entering the outer side of the pulling claw 4 and a pulling rod disc spring and the like, make the utility model discloses can carry out the inside and outside cleanness in step to the gripper part, promote the main shaft performance greatly, prolong the life of main shaft.
Further, the lateral air hole 30 extends in a radial direction of the pawl seat 3.
In order to make the air flow blow to the outside uniformly, in the present embodiment, a plurality of lateral air holes 30 are distributed uniformly in the circumferential direction of the pawl seat 3.
In order to improve the uniformity of the airflow outside the claw seat 3, in this embodiment, an annular air groove 31 is formed on the outside of the claw seat 3, the annular air groove 31 surrounds the claw seat 3, and the plurality of lateral air holes 30 are all communicated with the annular air groove 31.
As a preferable mode, the pull claw 4 includes a plurality of pull claw pieces 40, a protruding block 41 is formed on the inner side of the rear end of each pull claw piece 40, a clamping groove 32 is formed on the outer side of the pull claw seat 3, the protruding block 41 is clamped in the clamping groove 32, a spring groove 42 is formed on the outer side of the protruding block 41, a spring ring is sleeved on the outer side of each pull claw piece 40, the spring ring is clamped in the spring grooves 42, and the protruding block 41 and the clamping groove 32 are mutually clamped by the elastic force applied by the spring ring.
Further, the outer side of the claw seat 3 is sleeved with a claw sleeve 6 and fixedly connected with the claw sleeve, and a gap is formed between the claw sleeve 6 and the rotor 1.
In order to perform the function of transmitting the air flow, in this embodiment, the claw sleeve 6 is provided with an air guide opening 60, one end of the air guide opening 60 is communicated with the gap between the claw sleeve 6 and the rotor 1, and the other end of the air guide opening 60 is communicated with the annular air groove 31.
Preferably, a plurality of bayonets 61 are formed at the front end of the tab sleeve 6, the plurality of bayonets 61 are uniformly distributed along the circumferential direction of the tab sleeve 6, the bayonets 61 are aligned with the tab pieces 40 one by one, and the rear end of the tab piece 40 is clamped in the bayonets 61 and movably connected with the same. Under the matching of the bayonet 61 and the rear end of the pull claw piece 40, the pull claw pieces 40 can be limited, and the position change of the pull claw pieces 40 when the clamping tool loosening action is executed is avoided.
In order to achieve a secure fastening, the claw sleeve 6 is screwed to the claw seat 3 in the present exemplary embodiment.
Preferably, a tapered opening 10 is formed at the front end of the rotor 1, a tapered side wall 51 is formed at the rear end of the tool holder 5, the taper of the tapered opening 10 is the same as the taper of the tapered side wall 51, and the tool holder 5 is tightly fitted with the rotor 1 when clamping the tool. Under the matching action of the conical outer wall and the conical inner wall, the cutter handle 5 and the rotor 1 can be reliably abutted with each other in the cutter clamping process, and the air tightness between the cutter handle and the rotor 1 is further improved.
The above is only the embodiment of the present invention, and is not intended to limit the present invention, and all modifications, equivalent replacements or improvements made within the technical scope of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. The central air blowing clamping mechanism of the spindle comprises a rotor (1) and a handle (5), wherein a pull rod (2), a pull claw seat (3) and a pull claw (4) are sequentially arranged in the rotor (1) from back to front, the rear end of the pull claw seat (3) is fixedly connected with the pull rod (2), the front end of the pull claw seat (3) is connected with the pull claw (4) in a clamping manner, the rear end of the handle (5) is fixedly provided with a handle connecting rod (50) which can be inserted into the inner side of the pull claw (4), the central air blowing clamping mechanism is characterized in that a central air path (20) which is sequentially communicated is formed in the pull rod (2) and the pull claw seat (3), the front end opening of the central air path (20) faces towards the handle connecting rod (50), a plurality of lateral air holes (30) are formed in the lateral part of the pull claw seat (3), one end of each lateral air hole (30) is communicated with the central air path (20), the other end of the lateral air hole (30) is communicated with a gap between the pull claw (4) and the rotor (1);
when the cutter is loosened, the pull rod (2) pushes the pull claw (4) forwards through the pull claw seat (3), the clamping force on the cutter handle connecting rod (50) is removed through the pull claw (4), the cutter handle (5) is separated from the rotor (1), one part of air flow in the central air passage (20) blows to the cutter handle connecting rod (50), and the other part blows to a gap between the pull claw (4) and the rotor (1) through the lateral air hole (30), and blows to the cutter handle (5) along the inner wall of the rotor (1).
2. A central blow clamp mechanism for spindles according to claim 1 characterized in that the lateral air holes (30) extend in radial direction of the draw claw seat (3).
3. A central blow clamping mechanism of a spindle according to claim 2 characterized in that a plurality of lateral air holes (30) are evenly distributed along the circumference of the draw claw seat (3).
4. The central air-blowing clamping mechanism of the main shaft according to claim 1, characterized in that an annular air groove (31) is formed on the outer side of the draw claw seat (3), the annular air groove (31) surrounds the draw claw seat (3), and a plurality of lateral air holes (30) are all communicated with the annular air groove (31).
5. The central air-blowing clamping mechanism of the spindle as claimed in claim 4, wherein the draw claw (4) comprises a plurality of draw claw pieces (40), a convex block (41) is formed on the inner side of the rear end of each draw claw piece (40), a clamping groove (32) is formed on the outer side of the draw claw seat (3), the convex block (41) is clamped in the clamping groove (32), a spring groove (42) is formed on the outer side of the convex block (41), a spring ring is sleeved on the outer side of each draw claw piece (40) and clamped in the spring grooves (42), and the convex block (41) and the clamping groove (32) are clamped with each other by means of the elastic force exerted by the spring ring.
6. The central blowing clamping mechanism of the main shaft is characterized in that a claw sleeve (6) is sleeved on the outer side of the claw seat (3) and fixedly connected with the claw seat, and a gap is formed between the claw sleeve (6) and the rotor (1).
7. The central air-blowing clamping mechanism of the main shaft according to claim 6, wherein the claw sleeve (6) is provided with an air guide opening (60), one end of the air guide opening (60) is communicated with a gap between the claw sleeve (6) and the rotor (1), and the other end of the air guide opening (60) is communicated with the annular air groove (31).
8. The central air-blowing clamping mechanism of the spindle according to claim 7, wherein a plurality of bayonets (61) are formed at the front end of the claw sleeve (6), the plurality of bayonets (61) are uniformly distributed along the circumferential direction of the claw sleeve (6), the bayonets (61) are aligned with the claw pieces (40) one by one, and the rear ends of the claw pieces (40) are clamped in the bayonets (61) and movably connected with each other.
9. A central air-blowing clamping mechanism of a main shaft as claimed in claim 6, characterized in that the draw claw sleeve (6) is in threaded connection with the draw claw seat (3).
10. The central air-blowing clamping mechanism of the spindle according to claim 1, wherein a tapered opening (10) is formed at the front end of the rotor (1), a tapered side wall (51) is formed at the rear end of the tool shank (5), the taper of the tapered opening (10) is the same as the taper of the tapered side wall (51), and the tool shank (5) is tightly matched with the rotor (1) when clamping the tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020159412.0U CN211760077U (en) | 2020-01-30 | 2020-01-30 | Center air blowing clamping mechanism of main shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020159412.0U CN211760077U (en) | 2020-01-30 | 2020-01-30 | Center air blowing clamping mechanism of main shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211760077U true CN211760077U (en) | 2020-10-27 |
Family
ID=72904396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020159412.0U Active CN211760077U (en) | 2020-01-30 | 2020-01-30 | Center air blowing clamping mechanism of main shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211760077U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113305619A (en) * | 2021-06-15 | 2021-08-27 | 安徽津野数控科技有限公司 | Numerical control machining center main shaft knife loosening unloading mechanism |
-
2020
- 2020-01-30 CN CN202020159412.0U patent/CN211760077U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113305619A (en) * | 2021-06-15 | 2021-08-27 | 安徽津野数控科技有限公司 | Numerical control machining center main shaft knife loosening unloading mechanism |
| CN113305619B (en) * | 2021-06-15 | 2023-12-22 | 苏州近藤精密部件有限公司 | Main shaft cutter loosening unloading mechanism of numerical control machining center |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211760077U (en) | Center air blowing clamping mechanism of main shaft | |
| US11371514B2 (en) | Axial flow blower | |
| CN111113112A (en) | Center air blowing clamping mechanism of main shaft | |
| CN107175533A (en) | A kind of end face of HSK taper holes is forged a knife blowing structure | |
| JPH07290342A (en) | Main spindle device | |
| CN111975434A (en) | Main shaft gas cleaning structure and electric main shaft adopting same | |
| CN111113133A (en) | Main shaft center mechanism of blowing based on HSK handle of a knife | |
| CN206605293U (en) | A kind of end face of HSK taper holes is forged a knife blowing structure | |
| CN211639142U (en) | Dirty main shaft handle of a knife clamping mechanism is hidden to terminal surface | |
| CN210549767U (en) | Claw pulling mechanism for central gas outlet type electric spindle | |
| CN110899733B (en) | Direct-connected mechanical main shaft | |
| CN111230154A (en) | Integral type belt main shaft | |
| CN216666864U (en) | Fast-inserting non-metal joint with fast exhaust function | |
| CN212600492U (en) | Pull rod mechanism with slide block sleeve | |
| CN105965038B (en) | Pull rod assembly for ball electric spindle | |
| CN215127983U (en) | Hand-held type dust catcher | |
| CN211071843U (en) | Main shaft nose end structure capable of being used for deep cavity machining and main shaft | |
| CN211360671U (en) | Direct-coupled mechanical main shaft | |
| CN110281061A (en) | A kind of claw pulling mechanism for center air-out type electro spindle | |
| JP3472852B2 (en) | Spindle device of machine tool | |
| CN110561163A (en) | Pull rod device with central pipeline and cutter loosening and clamping method | |
| CN115502764A (en) | Ultrasonic knife handle, ultrasonic machining device and ultrasonic machining equipment | |
| CN112872376A (en) | Main shaft front end binary channels mechanism of blowing | |
| JP3069855U (en) | Tool holder | |
| CN210476292U (en) | Pull rod device with central pipeline |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 518111 1st and 2nd floors, building A6, silicon valley power intelligent terminal Industrial Park, No.20, Dafu Industrial Zone, Aobei community, Guanlan street, Longhua District, Shenzhen City, Guangdong Province Patentee after: Shenzhen aibeike Precision Industry Co.,Ltd. Address before: 518111 2nd floor, building A6, silicon valley power intelligent terminal Industrial Park, 20 Dafu Industrial Zone, Aobei community, Guanlan street, Longhua New District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN ABIG PRECISION MACHINERY Co.,Ltd. |