CN210476297U - Connecting structure of machine tool spindle and motor - Google Patents
Connecting structure of machine tool spindle and motor Download PDFInfo
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- CN210476297U CN210476297U CN201921236649.8U CN201921236649U CN210476297U CN 210476297 U CN210476297 U CN 210476297U CN 201921236649 U CN201921236649 U CN 201921236649U CN 210476297 U CN210476297 U CN 210476297U
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- 230000005540 biological transmission Effects 0.000 claims abstract description 35
- 230000000149 penetrating effect Effects 0.000 claims 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000003466 welding Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- 239000007858 starting material Substances 0.000 description 1
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Abstract
The utility model discloses a connection structure of lathe main shaft and motor, including the control box, the positive outer wall of control box is opened there is square through hole, and square through hole's inside rotation is connected with the swinging arms, there is the motor top outer wall of control box through bolted connection, and the output shaft of motor is connected with first belt pulley through flat key, one side outer wall of control box is provided with the transmission shaft that runs through, and the one end that the control box was kept away from to the transmission shaft is connected with the second belt pulley through flat key, the outer wall cover of first belt pulley and second belt pulley is equipped with the belt, the one end that the transmission shaft is close to first belt pulley is connected with first toothed disc through the bearing rotation. The utility model has the advantages that: the motor starting torque is reduced, the motor is protected, the service life of the equipment is prolonged, the phenomena of equipment vibration caused by the overlarge rotating speed of the motor and overlarge noise generated when the motor rotates are avoided, the main shaft is stably rotated at a high speed, and the processing precision of the equipment is improved.
Description
Technical Field
The utility model relates to a digit control machine tool technical field especially relates to a connection structure of lathe main shaft and motor.
Background
The numerically controlled lathe is one of the widely used numerically controlled machines at present. The cutting tool is mainly used for cutting and processing inner and outer cylindrical surfaces of shaft parts or disc parts, inner and outer conical surfaces with any taper angles, complex rotary inner and outer curved surfaces, cylindrical threads, conical threads and the like, and can perform grooving, drilling, reaming, boring and the like. The numerical control machine tool automatically processes the processed parts according to a processing program programmed in advance.
A connection structure of lathe main shaft and motor among the prior art adopts the mode that directly links, and motor torque is big when the starter motor, and motor starting current causes the motor to damage greatly easily, shortens equipment life, and when the main shaft need increase the rotational speed, need adjust the rotational speed of motor moreover, the high-speed phenomenon that causes lathe vibration and noise is big of rotating of motor to the main shaft is when work piece processing, produces easily and rocks, thereby influences work piece machining precision.
Therefore, it is desirable to design a connection structure of a spindle and a motor of a machine tool to solve the above problems.
Disclosure of Invention
The utility model aims at solving the defects existing in the prior art and providing a connecting structure of a machine tool spindle and a motor.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a connecting structure of a machine tool spindle and a motor comprises a control box, wherein a square through hole is formed in the outer wall of the front face of the control box, a swing rod is rotatably connected inside the square through hole, the outer wall of the top of the control box is connected with the motor through a bolt, an output shaft of the motor is connected with a first belt pulley through a flat key, a through transmission shaft is arranged on the outer wall of one side of the control box, one end, away from the control box, of the transmission shaft is connected with a second belt pulley through a flat key, a belt is sleeved on the outer walls of the first belt pulley and the second belt pulley, one end, close to the first belt pulley, of the transmission shaft is rotatably connected with a first gear disc through a bearing, the other end of the transmission shaft is rotatably connected with a second gear disc through a bearing, an annular block is slidably connected to the outer portion of the transmission shaft and is located between the first gear, one end of the follow-up shaft is fixedly connected with a first follow-up wheel through a flat key, the first follow-up wheel is meshed with a first gear disc, the other end of the follow-up shaft is fixedly connected with a second follow-up wheel through a flat key, the second follow-up wheel is meshed with a second gear disc, one end, away from the control box, of the follow-up shaft is rotatably connected with a main shaft fixing frame, a single-row cylindrical bearing is fixedly connected inside the main shaft fixing frame, a main shaft is rotatably connected inside the single-row cylindrical bearing, one end, away from the follow-up shaft, of the main shaft is welded with a main shaft head, and the outer thread of the main shaft head is connected with.
Furthermore, the inner walls of the two sides of the main shaft fixing frame are respectively embedded with a pressure bearing, and the two ends of the main shaft are respectively attached to the pressure bearings.
Furthermore, a fixing shaft is arranged on the inner wall of the square through hole, a through connecting hole is formed in the outer wall of the top of the swing rod, and the fixing shaft is inserted into the connecting hole.
Furthermore, the outer wall of transmission shaft is opened has the square groove that the equidistance distributes, the inner wall welding of annular piece has the square piece that the equidistance distributes, square piece sliding connection is in the inside of square groove.
Furthermore, the outer walls of the opposite sides of the first gear disc and the second gear disc are provided with fixing holes distributed at equal intervals, two fixing pins are welded on the outer walls of the two sides of the annular block, and the fixing pins are inserted into the fixing holes.
Furthermore, the handle is welded at one end of the oscillating rod, a U-shaped block is rotatably connected to the other end of the oscillating rod through a rotating shaft, and the U-shaped block is clamped with the annular block.
The utility model has the advantages that:
1. through the first gear dish of annular piece cooperation that sets up when the lathe is in the start-up, can imbed first gear dish through the fixed pin on the annular piece, make first gear dish drive the main shaft through first follower wheel and rotate, because first gear dish is less than first follower wheel to reduce motor starting torque, the protection motor has prolonged the life of equipment.
2. Through the annular block cooperation second gear wheel dish that sets up, when the high-speed pivoted of needs main shaft, can make the fixed pin on the annular block insert in the fixed orifices on the second gear wheel dish, because the size of second gear wheel dish is greater than the second follower wheel to when can making motor low-speed rotation, make the main shaft reach high-speed rotation, thereby the too big phenomenon of noise that sends when avoiding the too big equipment vibration that causes of motor rotational speed and motor to rotate.
3. Through the main shaft mount cooperation main shaft that sets up, the inside single-row cylindrical bearing of main shaft mount can prevent that the main shaft from rocking at the vertical direction of rotation in-process, and pressure bearing on the inner wall of main shaft mount both sides is inconsistent with the main shaft moreover, prevents that the main shaft from rocking in horizontal production to reached the stable high-speed rotation of main shaft, improved equipment machining precision.
Drawings
Fig. 1 is a schematic overall structure diagram of a connection structure of a machine tool spindle and a motor according to the present invention;
fig. 2 is a schematic structural view of a transmission shaft and a follower shaft of a connection structure of a machine tool spindle and a motor according to the present invention;
fig. 3 is a schematic sectional view of a spindle fixing frame structure of a connection structure of a machine tool spindle and a motor according to the present invention;
fig. 4 is a schematic structural diagram a of a connection structure between a spindle and a motor of a machine tool according to the present invention;
fig. 5 is a schematic structural view of a swing rod of a connection structure of a machine tool spindle and a motor according to the present invention.
In the figure: the device comprises a control box 1, a square through hole 2, a swing rod 3, a handle 4, a fixed shaft 5, a motor 6, a first belt pulley 7, a transmission shaft 8, a second belt pulley 9, a follower wheel 10, a main shaft fixing frame 11, a main shaft head 12, a first gear disc 13, a second gear disc 14, a first follower wheel 15, a second follower wheel 16, an annular block 17, a fixing pin 18, a U-shaped block 19, a single-row cylindrical bearing 20, a main shaft 21, a pressure bearing 22, a square groove 23 and a square block 24.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 5, a connecting structure of a machine tool spindle and a motor includes a control box 1, a square through hole 2 is formed on an outer wall of a front surface of the control box 1, a swing rod 3 is rotatably connected inside the square through hole 2, the swing rod 3 swings around the control box 1 by taking a fixed shaft 5 as a fulcrum, a motor 6 is connected to an outer wall of a top portion of the control box 1 through a bolt, the motor 6 is a servo motor, the servo motor is FX1S-30MT-001, an output shaft of the motor 6 is connected to a first belt pulley 7 through a flat key, a through transmission shaft 8 is arranged on an outer wall of one side of the control box 1, the transmission shaft 8 is rotatably connected to the control box 1 through a bearing, one end of the transmission shaft 8, which is far away from the control box 1, is connected to a second belt pulley 9 through a flat key, a belt is sleeved on outer walls of the first belt pulley 7 and the second belt pulley 9, one end of the transmission shaft, the first gear disc 13 rotates on the transmission shaft 8 through a bearing, the other end of the transmission shaft 8 is rotatably connected with a second gear disc 14 through a bearing, the second gear disc 14 is rotatably connected with the transmission shaft 8 through a bearing, the outer part of the transmission shaft 8 is slidably connected with an annular block 17, the annular block 17 is embedded into a square groove 23 through a square block 24 to enable the annular block 17 to slide on the transmission shaft 8 and drive the transmission shaft 8 to rotate, the annular block 17 is positioned between the first gear disc 13 and the second gear disc 14, a follower shaft 10 penetrates through the outer wall of one side of the control box 1, the follower shaft 10 is rotatably connected with the control box 1 through a bearing, one end of the follower shaft 10 is fixedly connected with a first follower wheel 15 through a flat key, the first follower wheel 15 is mutually meshed with the first gear disc 13, the other end of the follower shaft 10 is fixedly connected with a second follower wheel 16 through a flat key, and the second follower wheel 16 is mutually meshed with the second, the one end that control box 1 was kept away from to follow-up shaft 10 rotates and is connected with main shaft mount 11, follow-up shaft 10 rotates with main shaft mount 11 and is connected, the inside fixedly connected with list cylindrical bearing 20 of main shaft mount 11, and the inside rotation of list cylindrical bearing 20 is connected with main shaft 21, main shaft 21 pegs graft in the inside of list cylindrical bearing 20, the one end welding that follow-up shaft 10 was kept away from to main shaft 21 has main shaft head 12, main shaft head 12 can the centre gripping work piece, and the outside threaded connection of main shaft head 12 has the fastening bolt that runs through, the work piece passes through fastening bolt to be fixed on main shaft head 12.
Further, the inner walls of the two sides of the main shaft fixing frame 11 are respectively embedded with a pressure bearing 22, the two ends of the main shaft 21 are respectively attached to the pressure bearings 22, and the main shaft 21 is fixed inside the main shaft fixing frame 11 through the pressure bearings 22.
Furthermore, a fixed shaft 5 is arranged on the inner wall of the square through hole 2, a through connecting hole is formed in the outer wall of the top of the swing rod 3, the fixed shaft 5 is inserted into the connecting hole, and the swing rod 3 is sleeved on the fixed shaft 5 through the connecting hole, so that the swing rod 3 swings around the control box 1 by taking the fixed shaft 5 as a fulcrum.
Further, square groove 23 that the equidistance distributes is opened to the outer wall of transmission shaft 8, and the inner wall welding of annular piece 17 has square piece 24 that the equidistance distributes, and square piece 24 sliding connection is in the inside of square groove 23, and annular piece 17 is through square piece 24 embedding square inslot 23 in, makes annular piece 17 and transmission shaft 8 form sliding connection, and annular piece 17 drives transmission shaft 8 and rotates.
Further, the outer walls of the opposite sides of the first gear disc 13 and the second gear disc 14 are provided with fixing holes distributed equidistantly, the outer walls of the two sides of the annular block 17 are welded with two fixing pins 18, the fixing pins 18 are inserted into the fixing holes, and the annular block 17 is inserted into the fixing holes through the fixing pins 18 to enable the annular block 17 to be fixedly connected with the first gear disc 13 or the second gear disc 14.
Further, the welding of the one end of swinging arms 3 has handle 4, and handle 3 conveniently operates swinging arms 3, and the other end of swinging arms 3 rotates through the pivot and is connected with U-shaped piece 19, and U-shaped piece 19 and annular piece 17 joint mutually, and swinging arms 3 drives annular piece 17 through U-shaped piece 19 and slides on transmission shaft 8.
The working principle is as follows: when the machine tool needs to process a workpiece, firstly, the workpiece is inserted into the spindle head 12 and is fixed by a bolt on the spindle head 12, then the handle 4 is swung, the handle 4 drives the swing rod 3 to rotate around the fixed shaft 5 on the control box 1, so that the U-shaped block 19 at the end part of the swing rod 3 drives the annular block 17 to slide on the transmission rod 8 and is inserted into the fixed hole on the first gear disc 13 through the fixed pin 18 on the annular block 8, then the motor 6 is started, the output shaft of the motor 6 drives the transmission shaft 8 to rotate, the annular block 17 is embedded into the square groove 23 through the square block 24, the annular block 17 can slide on the transmission shaft 17 and cannot rotate on the transmission shaft 8, so that the annular block 17 drives the first gear disc 13 to rotate, and as the first gear disc 13 is meshed with the first follower wheel 15 on the follower shaft 10, when the main shaft 21 needs to rotate at a high speed, the swinging handle 4 can be swung to enable the swinging rod 3 to drive the fixing pin 18 on the annular block 17 to be separated from the fixing hole on the first gear disc 13 through the U-shaped block 19, the annular block 17 approaches to the second gear disc 14 and is inserted into the fixing hole on the second gear disc 14 through the fixing pin 18, the annular block 17 is fixedly connected with the stroke of the second gear disc 14, and is meshed with the second follower wheel 16 through the second gear disc 15 to drive the main shaft 21 to rotate, because the size of the second gear disc 15 is larger than that of the second follower wheel 16, the follow-up shaft 10 can drive the main shaft 21 to rotate at a high speed, when the main shaft 21 rotates in the main shaft fixing frame 11, the single-row cylindrical bearing 20 positioned in the main shaft fixing frame 11 is sleeved on the main shaft 21, the main shaft 21 is prevented from vibrating in the vertical direction, and the pressure bearings 22 on the inner walls of the two sides of the main shaft fixing frame 11 are attached to the main shaft 21, so that the main shaft 21 is prevented from vibrating in the transverse direction, and the processing precision is improved.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A connecting structure of a machine tool spindle and a motor comprises a control box (1) and is characterized in that a square through hole (2) is formed in the outer wall of the front face of the control box (1), a swing rod (3) is connected to the inner portion of the square through hole (2) in a rotating mode, the outer wall of the top of the control box (1) is connected with the motor (6) through a bolt, an output shaft of the motor (6) is connected with a first belt pulley (7) through a flat key, a transmission shaft (8) penetrates through the outer wall of one side of the control box (1), one end, far away from the control box (1), of the transmission shaft (8) is connected with a second belt pulley (9) through a flat key, a belt is sleeved on the outer walls of the first belt pulley (7) and the second belt pulley (9), one end, close to the first belt pulley (7), of the transmission shaft (8) is, the other end of the transmission shaft (8) is rotatably connected with a second gear disc (14) through a bearing, the outer part of the transmission shaft (8) is slidably connected with an annular block (17), the annular block (17) is positioned between the first gear disc (13) and the second gear disc (14), the outer wall of one side of the control box (1) is provided with a follow-up shaft (10) in a penetrating manner, one end of the follow-up shaft (10) is fixedly connected with a first follow-up wheel (15) through a flat key, the first follow-up wheel (15) is mutually meshed with the first gear disc (13), the other end of the follow-up shaft (10) is fixedly connected with a second follow-up wheel (16) through a flat key, the second follow-up wheel (16) is mutually meshed with the second gear disc (14), one end, far away from the control box (1), of the follow-up shaft (10) is rotatably connected with a main shaft fixing frame (11), and the inner part of the, and the inside of the single-row cylindrical bearing (20) is rotatably connected with a main shaft (21), one end of the main shaft (21), which is far away from the follow-up shaft (10), is welded with a main shaft head (12), and the outside of the main shaft head (12) is in threaded connection with a through fastening bolt.
2. The connecting structure of a machine tool spindle and a motor according to claim 1, wherein pressure bearings (22) are embedded in inner walls of two sides of the spindle fixing frame (11), and two ends of the spindle (21) are respectively attached to the pressure bearings (22).
3. The connecting structure of a machine tool spindle and a motor according to claim 1, characterized in that a fixed shaft (5) is arranged on the inner wall of the square through hole (2), a connecting hole is formed on the outer wall of the top of the swinging rod (3) in a penetrating way, and the fixed shaft (5) is inserted into the connecting hole.
4. The connecting structure of a machine tool spindle and a motor according to claim 1, characterized in that the outer wall of the transmission shaft (8) is provided with square grooves (23) which are equidistantly distributed, the inner wall of the annular block (17) is welded with square blocks (24) which are equidistantly distributed, and the square blocks (24) are slidably connected inside the square grooves (23).
5. The connecting structure of a spindle and a motor of a machine tool according to claim 1, characterized in that the outer walls of opposite sides of the first gear wheel disc (13) and the second gear wheel disc (14) are provided with fixing holes distributed at equal intervals, two fixing pins (18) are welded on the outer walls of two sides of the annular block (17), and the fixing pins (18) are inserted into the fixing holes.
6. The connecting structure of the spindle and the motor of the machine tool according to claim 1, wherein a handle (4) is welded at one end of the swing rod (3), a U-shaped block (19) is rotatably connected at the other end of the swing rod (3) through a rotating shaft, and the U-shaped block (19) is clamped with the annular block (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921236649.8U CN210476297U (en) | 2019-08-01 | 2019-08-01 | Connecting structure of machine tool spindle and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921236649.8U CN210476297U (en) | 2019-08-01 | 2019-08-01 | Connecting structure of machine tool spindle and motor |
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| Publication Number | Publication Date |
|---|---|
| CN210476297U true CN210476297U (en) | 2020-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921236649.8U Expired - Fee Related CN210476297U (en) | 2019-08-01 | 2019-08-01 | Connecting structure of machine tool spindle and motor |
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| Country | Link |
|---|---|
| CN (1) | CN210476297U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112960240A (en) * | 2021-01-18 | 2021-06-15 | 重庆新涛高新材料科技有限公司 | Holding device for processing white carbon black |
| CN113894325A (en) * | 2021-11-29 | 2022-01-07 | 湖南嘉晟住建科技有限公司 | Drilling equipment of steel structural member processing usefulness |
-
2019
- 2019-08-01 CN CN201921236649.8U patent/CN210476297U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112960240A (en) * | 2021-01-18 | 2021-06-15 | 重庆新涛高新材料科技有限公司 | Holding device for processing white carbon black |
| CN113894325A (en) * | 2021-11-29 | 2022-01-07 | 湖南嘉晟住建科技有限公司 | Drilling equipment of steel structural member processing usefulness |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200508 |
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| CF01 | Termination of patent right due to non-payment of annual fee |