CN210232395U - Main shaft cutting air blowing mechanism - Google Patents
Main shaft cutting air blowing mechanism Download PDFInfo
- Publication number
- CN210232395U CN210232395U CN201920994548.0U CN201920994548U CN210232395U CN 210232395 U CN210232395 U CN 210232395U CN 201920994548 U CN201920994548 U CN 201920994548U CN 210232395 U CN210232395 U CN 210232395U
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- air
- rod
- broach
- floating
- main shaft
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- Expired - Fee Related
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- 238000005520 cutting process Methods 0.000 title claims abstract description 15
- 230000007246 mechanism Effects 0.000 title claims abstract description 11
- 238000007664 blowing Methods 0.000 title claims abstract description 10
- 210000000078 claw Anatomy 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract 2
- 239000000919 ceramic Substances 0.000 claims description 38
- 238000005192 partition Methods 0.000 claims description 15
- 238000009423 ventilation Methods 0.000 claims description 4
- 239000002184 metal Substances 0.000 abstract description 3
- 238000003754 machining Methods 0.000 description 7
- 239000007788 liquid Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The utility model provides a main shaft cutting blowing mechanism, which comprises a shell, a motor, a main shaft and a tool bit assembly; the motor is arranged in the shell and drives the main shaft to rotate; the tool bit assembly comprises a broach rod, a hilt, a broach claw, a broach bolt and a tool bit; the pneumatic cylinder assembly is connected with the air guide rod; the air cylinder assembly is arranged in the shell and correspondingly arranged on the left side of the main shaft; the air guide rod is arranged in the air cylinder assembly and is coaxial with the broach rod; the air guide rod is internally provided with a first vent hole, and high-pressure air is supplied to the left end of the first vent hole through the air pressure cylinder assembly; the cutter head is provided with an air outlet; a cutter head air flow passage communicated with the air outlet hole is formed at the axial center positions of the broach rod, the broach claw, the broach bolt and the cutter handle; the control assembly is arranged between the broach rod and the air guide rod and controls high-pressure air in the first vent hole to be discharged to the cutter head air flow passage; embodies the utility model discloses remove the smear metal through inside blowout high-pressure gas in the course of working, can process under dry environment.
Description
Technical Field
The utility model relates to a CNC machining technical field, in particular to wood working equipment.
Background
The CNC processing machine is a machine tool for machining, and any mechanical equipment is developed towards CNC automatic processing, so the quality of the CNC processing machine directly affects the quality and performance of a machined part. In the machining process of the CNC machining machine, the removal of the cutting scraps is very important, the incomplete removal of the cutting scraps influences the machining precision, and even the fracture and damage of a cutter and a machined part can be caused. CNC machines currently use liquid cutting agents to remove chips through the central hole of the tool during machining. However, some workpieces do not allow liquid processing, such as wood processing, and therefore only the chips can be removed by means of high-pressure gas.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to avoid the weak point among the prior art and provide a mechanism that utilizes inside high-pressure gas to remove the smear metal through the cutter centre bore in the CNC processing machine main shaft course of working, make it convenient remove the smear metal in dry environment, improve machining precision and production efficiency.
In order to achieve the above object, the present invention provides the following technical solutions:
a main shaft cutting and blowing mechanism comprises a shell, a motor, a main shaft and a cutter head assembly; the motor is arranged in the shell; the main shaft penetrates through the motor and is driven to rotate by the motor; the tool bit assembly comprises a broach rod arranged in the main shaft, a hilt arranged at the right end of the main shaft, broach claws and a broach bolt for connecting the hilt and the broach rod, and a tool bit fixed at the right end of the hilt; the pneumatic cylinder assembly is connected with the air guide rod; the pneumatic cylinder assembly is arranged in the shell and correspondingly arranged on the left side of the main shaft; the air guide rod is arranged in the air cylinder assembly and is coaxial with the broach rod; the air guide rod is internally provided with a first vent hole, and high-pressure air is supplied to the left end of the first vent hole through the air pressure cylinder assembly; the cutter head is provided with an air outlet; a cutter head air flow passage communicated with the air outlet hole is formed at the axial center positions of the broach rod, the broach claw, the broach bolt and the cutter handle; the control assembly is arranged between the broach rod and the air guide rod and used for controlling high-pressure air in the first vent hole to be discharged to the cutter head air flow passage.
For further description of the utility model, the left end in the air guide rod is provided with a first counter bore; the control assembly comprises a first screw cap, a second screw cap, a floating sleeve, a spring, a floating rod, a floating end ceramic piece and a rotating end ceramic piece; the first nut is arranged at the left end of the broaching rod; the rotating end ceramic plate is arranged at the position of the axis of the left side of the first screw cap; the second screw cap is arranged at the right end of the air guide rod; the floating sleeve is connected in the first counter bore in a sliding mode; the left end of the floating rod is fixed on the floating sleeve, and the right end of the floating rod penetrates through the second nut; the spring is sleeved on the floating rod, and two ends of the spring respectively press against the floating sleeve and the second screw cap; the floating end ceramic plate is arranged at the position of the axle center at the left end of the floating rod; and second ventilation holes are respectively arranged at the axle center positions of the floating rod, the floating end ceramic piece, the rotating end ceramic piece and the first screw cap.
For further description of the present invention, a second counter bore is provided on the left side of the main shaft; the second counter bore is internally provided with an elastic sheet and a shaft sleeve which are sleeved on the broach rod; one end of the elastic sheet is pressed in the second counter bore, and the other end of the elastic sheet is pressed at the right end of the shaft sleeve; the right end of the first nut is in contact with the left end of the shaft sleeve.
For further description of the present invention, the left end of the first nut is provided with a groove; a first mounting groove for mounting the rotary end ceramic plate is formed in the center of the groove; a boss matched with the groove and extending into the groove is arranged at the right end of the second nut; a third counter bore is formed in the boss; the floating rod is of a T-shaped structure and comprises a rod part and a head part arranged at the right end of the rod part; the right end of the head part is provided with a second mounting groove for mounting the floating end ceramic plate; the head of the floating rod is connected in the third counter bore in a sliding mode.
To further describe the present invention, the air cylinder assembly comprises an air faucet, an air cylinder wall, a top cover, an outer cover and a plurality of partition plates; the air nozzle comprises an air nozzle head and an air nozzle seat for installing the air nozzle head; the side wall of the shell is provided with a mounting hole for mounting an air nozzle seat; the air nozzle seat is arranged in the mounting hole; the wall of the pneumatic cylinder is arranged in the shell, corresponds to the position of the air faucet seat and is locked and fixed with the air faucet seat through a screw; a third vent hole communicated with the air tap is formed in the wall of the air cylinder; the partition plates are arranged on the right side of the wall of the air cylinder in parallel; the top cover is arranged on the left side of the pneumatic cylinder wall and is locked and fixed with the pneumatic cylinder wall and the partition plate through screws; the outer cover is locked on the left side of the top cover through screws; an air cavity is formed between the outer cover and the top cover; the top cover is provided with a fourth vent hole which is respectively communicated with the third vent hole and the air cavity; the air guide rod penetrates through the partition plate, the left end of the air guide rod extends out of the top cover to the air cavity, and the right end of the air guide rod extends out of the partition plate to be connected with the control assembly.
The utility model has the advantages that:
the utility model discloses a fix the air guide rod in pneumatic cylinder subassembly and coaxial with the broach pole, pneumatic cylinder subassembly is to the first air vent output high-pressure gas of air guide rod, and high-pressure gas arranges toward the broach pole through control assembly in, and the air is discharged from the venthole of tool bit through tool bit air runner, and in the cutting process, tool bit limit processing limit blowout high-pressure gas removes dust and blows the bits, need not liquid cutting agent moreover to can be in dry environment cutting process to timber.
Drawings
FIG. 1 is an overall structure of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is a view showing the structure of the air guide rod and the control assembly;
fig. 4 is a working state diagram of the air guide rod and the control assembly of the present invention.
Detailed Description
The invention is further explained below with reference to the drawings:
as shown in fig. 1-4, a mechanical spindle 3 air blowing and dust removing mechanism comprises a housing 1, a motor 2, a spindle 3 and a cutter head assembly 4; the motor 2 is arranged in the shell 1; the main shaft 3 penetrates through the motor 2 and is driven to rotate by the motor 2; the tool bit assembly 4 comprises a broach rod 41 arranged in the main shaft 3, a hilt 42 arranged at the right end of the main shaft 3, broach claws 43 and a broach bolt 44 for connecting the hilt 42 and the broach rod 41, and a tool bit 45 fixed at the right end of the hilt 42; the pneumatic cylinder assembly 5, the air guide rod 6 and the control assembly 7 are further included; the pneumatic cylinder assembly 5 is arranged in the shell 1 and is correspondingly arranged on the left side of the main shaft 3; the air guide rod 6 is arranged in the air cylinder assembly 5 and is coaxial with the pull rod 41; the air guide rod 6 is internally provided with a first vent hole 61, and high-pressure air is supplied to the left end of the first vent hole 61 through the air cylinder assembly 5; the cutter head 45 is provided with an air outlet hole 451; a cutter head air flow passage 401 communicated with the air outlet hole 451 is formed at the axial center positions of the broach rod 41, the broach claw 43, the broach bolt 44 and the cutter handle 42; the control assembly 7 is arranged between the broach rod 41 and the air guide rod 6 and controls high-pressure air in the first vent hole 61 to be discharged to the cutter head air flow passage 401; a first counter bore 62 is arranged at the left end in the air guide rod 6; the control component 7 comprises a first screw cap 71, a second screw cap 72, a floating sleeve 73, a spring 74, a floating rod 75, a floating end ceramic piece 76 and a rotating end ceramic piece 77; the first nut 71 is arranged at the left end of the broaching rod 41; the rotary end ceramic plate 77 is arranged at the left axis position of the first screw cap 71; the second nut 72 is arranged at the right end of the air guide rod 6; the floating sleeve 73 is slidably connected in the first counter bore 62; the left end of the floating rod 75 is fixed on the floating sleeve 73, and the right end of the floating rod passes through the second nut 72; the spring 74 is sleeved on the floating rod 75, and two ends of the spring respectively press against the floating sleeve 73 and the second nut 72; the floating end ceramic plate 76 is arranged at the position of the axle center at the left end of the floating rod 75; second ventilation holes 701 are respectively arranged at the axial centers of the floating rod 75, the floating end ceramic piece 76, the rotating end ceramic piece 77 and the first screw cap 71; when the pneumatic cutter head assembly works, the motor 2 drives the main shaft 3 to rotate, the main shaft 3 drives the cutter head assembly 4 to rotate, the pneumatic cylinder assembly 5 injects high-pressure gas into the left end of the first vent hole 61 of the air guide rod 6, the high-pressure gas is discharged into the first counter bore 62 at the right end of the air guide rod 6 through the first vent hole 61, the floating sleeve 73 in the first counter bore 62 is pressed through the high-pressure gas, the floating sleeve 73 moves rightwards to compress the spring 74, the floating sleeve 73 drives the floating rod 75 connected with the floating sleeve to move rightwards, so that the floating end ceramic piece 76 is tightly attached to the rotating end ceramic piece 77, and the high-pressure gas is discharged into the cutter head air flow passage 401 through the floating rod 75, the floating end ceramic piece 76, the rotating end ceramic piece and the second vent hole 701 in the first nut 71, and then discharged out of the air outlet hole 451 through the cutter head air flow passage; the floating end ceramic plate 76 and the rotating end ceramic plate 77 are subjected to special treatment, and the surfaces are smooth, wear-resistant and high in air tightness, so that the floating end ceramic plate 76 and the rotating end ceramic plate 77 are in butt joint and ventilation.
A second counter bore 31 is formed in the left side of the main shaft 3; an elastic sheet 46 and a shaft sleeve 47 sleeved on the broach rod 41 are arranged in the second counter bore 31; one end of the elastic sheet 46 is pressed in the second counter bore 31, and the other end of the elastic sheet is pressed at the right end of the shaft sleeve 47; the right end of the first nut 71 is in contact with the left end of the shaft sleeve 47; when the floating end ceramic plate 76 presses against the rotating end ceramic plate 77, the first nut 71, the broach rod 41 and the shaft sleeve 47 move slightly to the left, and are buffered by the elastic sheet 46, so that the stability is improved.
The left end of the first nut 71 is provided with a groove 711; a first mounting groove 712 for mounting the rotary end ceramic plate 77 is arranged in the center of the groove 711; the right end of the second nut 72 is provided with a boss 721 matched with the groove 711 and extending into the groove 711; a third counter bore 7211 is arranged in the boss 721; the floating rod 75 is of a T-shaped structure and comprises a rod portion 751 and a head portion 752 arranged at the right end of the rod portion 751; a second mounting groove 7521 for mounting the floating end ceramic plate 76 is formed in the right end of the head portion 752; the head 752 of the floating rod 75 is slidably connected in the third counter bore 7211; this structural design can improve the stability of each part activity.
The pneumatic cylinder assembly 5 comprises an air faucet 51, a pneumatic cylinder wall 52, a top cover 53, an outer cover 54 and a plurality of partition plates 55; the air nozzle 51 comprises an air nozzle head 511 and an air nozzle seat 512 for installing the air nozzle head 511; the side wall of the shell 1 is provided with a mounting hole 11 for mounting an air nozzle seat 512; the air nozzle base 512 is arranged in the mounting hole 11; the air cylinder wall 52 is arranged in the shell 1 and corresponds to the air nozzle base 512 in position, and is locked and fixed with the air nozzle base 512 through screws; a third vent hole 521 communicated with the air tap 51 is arranged on the air cylinder wall 52; the partition plate 55 is arranged at the right side of the air cylinder wall 52 in parallel; the top cover 53 is arranged on the left side of the air cylinder wall 52 and is locked and fixed with the air cylinder wall 52 and the partition plate 55 through screws; the outer cover 54 is locked on the left side of the top cover 53 through screws; an air cavity 501 is formed between the outer cover 54 and the top cover 53; the top cover 53 is provided with a fourth vent hole 54 which is respectively communicated with the third vent hole 521 and the air cavity 501; the air guide rod 6 penetrates through the partition plate 55, the left end of the air guide rod extends out of the top cover 53 into the air cavity 501, and the right end of the air guide rod extends out of the partition plate 55 and is connected with the control component 7; the high-pressure air is fed from the air tap 511, discharged to the air cavity 501 through the third vent hole 521 of the air cylinder wall 52 and the fourth vent hole 54 of the top cover 53, and then enters the first vent hole 61 of the air guide rod 6 from the air cavity 501.
The working principle of the embodiment is as follows:
the motor 2 drives the main shaft 3 to rotate, the main shaft 3 drives the cutter head component 4 to rotate, the cutter head 45 cuts a workpiece, the pneumatic cylinder component 5 injects high-pressure gas into the left end of the first vent hole 61 of the air guide rod 6, the high-pressure gas is discharged into the first counter bore 62 at the right end of the air guide rod 6 through the first vent hole 61, the floating sleeve 73 in the first counter bore 62 is pressed by the high-pressure gas, the floating sleeve 73 moves rightwards to compress the spring 74, the floating sleeve 73 drives the floating rod 75 connected with the floating sleeve to move rightwards, so that the floating end ceramic piece 76 is tightly attached to the rotating end ceramic piece 77, the high-pressure gas is discharged into the cutter head air flow passage 401 through the floating rod 75, the floating end ceramic piece 76, the rotating end ceramic piece 77 and the second vent hole 701 on the first screw cap 71, then is discharged into the air outlet 451 of the cutter head 45 through the cutter head air flow passage 401, and is discharged from, when the processing is stopped, the high-pressure air is stopped from being supplied, and the control unit 7 is returned by the spring 74.
The above description is not intended to limit the technical scope of the present invention, and any modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention are still within the scope of the technical solution of the present invention.
Claims (5)
1. A main shaft cutting and blowing mechanism comprises a shell, a motor, a main shaft and a cutter head assembly; the motor is arranged in the shell; the main shaft penetrates through the motor and is driven to rotate by the motor; the tool bit assembly comprises a broach rod arranged in the main shaft, a hilt arranged at the right end of the main shaft, broach claws and a broach bolt for connecting the hilt and the broach rod, and a tool bit fixed at the right end of the hilt; the method is characterized in that: the pneumatic cylinder assembly is connected with the air guide rod; the pneumatic cylinder assembly is arranged in the shell and correspondingly arranged on the left side of the main shaft; the air guide rod is arranged in the air cylinder assembly and is coaxial with the broach rod; the air guide rod is internally provided with a first vent hole, and high-pressure air is supplied to the left end of the first vent hole through the air pressure cylinder assembly; the cutter head is provided with an air outlet; a cutter head air flow passage communicated with the air outlet hole is formed at the axial center positions of the broach rod, the broach claw, the broach bolt and the cutter handle; the control assembly is arranged between the broach rod and the air guide rod and used for controlling high-pressure air in the first vent hole to be discharged to the cutter head air flow passage.
2. The spindle cutting air-blowing mechanism as set forth in claim 1, wherein: a first counter bore is formed in the left end in the air guide rod; the control assembly comprises a first screw cap, a second screw cap, a floating sleeve, a spring, a floating rod, a floating end ceramic piece and a rotating end ceramic piece; the first nut is arranged at the left end of the broaching rod; the rotating end ceramic plate is arranged at the position of the axis of the left side of the first screw cap; the second screw cap is arranged at the right end of the air guide rod; the floating sleeve is connected in the first counter bore in a sliding mode; the left end of the floating rod is fixed on the floating sleeve, and the right end of the floating rod penetrates through the second nut; the spring is sleeved on the floating rod, and two ends of the spring respectively press against the floating sleeve and the second screw cap; the floating end ceramic plate is arranged at the position of the axle center at the left end of the floating rod; and second ventilation holes are respectively arranged at the axle center positions of the floating rod, the floating end ceramic piece, the rotating end ceramic piece and the first screw cap.
3. The spindle cutting air-blowing mechanism as set forth in claim 2, wherein: a second counter bore is formed in the left side of the main shaft; the second counter bore is internally provided with an elastic sheet and a shaft sleeve which are sleeved on the broach rod; one end of the elastic sheet is pressed in the second counter bore, and the other end of the elastic sheet is pressed at the right end of the shaft sleeve; the right end of the first nut is in contact with the left end of the shaft sleeve.
4. The spindle cutting air-blowing mechanism as set forth in claim 2, wherein: a groove is formed in the left end of the first nut; a first mounting groove for mounting the rotary end ceramic plate is formed in the center of the groove; a boss matched with the groove and extending into the groove is arranged at the right end of the second nut; a third counter bore is formed in the boss; the floating rod is of a T-shaped structure and comprises a rod part and a head part arranged at the right end of the rod part; the right end of the head part is provided with a second mounting groove for mounting the floating end ceramic plate; the head of the floating rod is connected in the third counter bore in a sliding mode.
5. The spindle cutting air-blowing mechanism as set forth in claim 1, wherein: the air cylinder assembly comprises an air faucet, an air cylinder wall, a top cover, an outer cover and a plurality of partition plates; the air nozzle comprises an air nozzle head and an air nozzle seat for installing the air nozzle head; the side wall of the shell is provided with a mounting hole for mounting an air nozzle seat; the air nozzle seat is arranged in the mounting hole; the wall of the pneumatic cylinder is arranged in the shell, corresponds to the position of the air faucet seat and is locked and fixed with the air faucet seat through a screw; a third vent hole communicated with the air tap is formed in the wall of the air cylinder; the partition plates are arranged on the right side of the wall of the air cylinder in parallel; the top cover is arranged on the left side of the pneumatic cylinder wall and is locked and fixed with the pneumatic cylinder wall and the partition plate through screws; the outer cover is locked on the left side of the top cover through screws; an air cavity is formed between the outer cover and the top cover; the top cover is provided with a fourth vent hole which is respectively communicated with the third vent hole and the air cavity; the air guide rod penetrates through the partition plate, the left end of the air guide rod extends out of the top cover to the air cavity, and the right end of the air guide rod extends out of the partition plate to be connected with the control assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920994548.0U CN210232395U (en) | 2019-06-28 | 2019-06-28 | Main shaft cutting air blowing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920994548.0U CN210232395U (en) | 2019-06-28 | 2019-06-28 | Main shaft cutting air blowing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210232395U true CN210232395U (en) | 2020-04-03 |
Family
ID=69989039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920994548.0U Expired - Fee Related CN210232395U (en) | 2019-06-28 | 2019-06-28 | Main shaft cutting air blowing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210232395U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110181328A (en) * | 2019-06-28 | 2019-08-30 | 东莞大硕精密机械有限公司 | A kind of main shaft cutting inflatable body |
| CN111906586A (en) * | 2020-08-25 | 2020-11-10 | 广州赢帝工业设计有限公司 | Automatic cooling formula motor for digit control machine tool |
-
2019
- 2019-06-28 CN CN201920994548.0U patent/CN210232395U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110181328A (en) * | 2019-06-28 | 2019-08-30 | 东莞大硕精密机械有限公司 | A kind of main shaft cutting inflatable body |
| CN111906586A (en) * | 2020-08-25 | 2020-11-10 | 广州赢帝工业设计有限公司 | Automatic cooling formula motor for digit control machine tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200403 |
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| CF01 | Termination of patent right due to non-payment of annual fee |