CN215090867U - Automatic feeding device - Google Patents
Automatic feeding device Download PDFInfo
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- CN215090867U CN215090867U CN202121653519.1U CN202121653519U CN215090867U CN 215090867 U CN215090867 U CN 215090867U CN 202121653519 U CN202121653519 U CN 202121653519U CN 215090867 U CN215090867 U CN 215090867U
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- spline shaft
- feeding device
- automatic feeding
- spline
- nut
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- 230000009467 reduction Effects 0.000 claims abstract description 16
- 230000007704 transition Effects 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 230000001360 synchronised effect Effects 0.000 claims description 24
- 238000005553 drilling Methods 0.000 abstract description 14
- 229910000831 Steel Inorganic materials 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 239000010959 steel Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 5
- 244000309464 bull Species 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses an automatic feeding device, which comprises a transmission mechanism, a gear set, a main motor, a reduction box, a stepping motor and a main box body, wherein the main box body is internally provided with an in-place sensor, a lead screw, a nut, a transition block, a spline shaft sleeve, a spline shaft and a spline sleeve; the stepping motor is used for driving the transmission mechanism to drive the lead screw to rotate, the lead screw is used for converting the torsion of the stepping motor into thrust through the nut, the nut is used for driving the spline shaft sleeve to move, the spline shaft sleeve is used for driving the spline shaft to move in the spline shaft sleeve, the main motor is connected with the gear set through the reduction box, and the gear set is used for driving the spline shaft sleeve to rotate; the in-place sensor is used for sending the acquired position information of the screw to the main motor and the stepping motor at the same time. The automatic feeding device aims to solve the problems of inconvenient operation and carrying and high energy consumption caused by large volume of the automatic steel rail drilling device.
Description
Technical Field
The utility model belongs to the technical field of the railway rail drilling machine, concretely relates to automatic feeding device.
Background
A rail drilling machine is a machine tool special for drilling a railway rail. When the steel rail drilling machine rotates at a high speed by a gasoline engine, the torque of the steel rail drilling machine is transmitted to the reduction gearbox through the clutch, and the drill bit is mounted on an output shaft of the reduction gearbox and rotates at a rotating speed of 80-130 r/min. Meanwhile, the operating handle of the vibration feed mechanism drives the drill bit to feed or withdraw through a transmission system of the worm, the worm gear and the gear rack, and the drilling operation of the steel rail is completed.
The automatic drilling of the steel rail adopts the mode that a motor directly drives a main shaft to feed or drives the whole transmission part to feed through a feeding motor, and the automatic drilling structure is large in size or heavy and high in energy consumption.
In view of the above, it is desirable to provide an automatic feeding device for solving the above problems.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The to-be-solved technical problem of the utility model is that the automatic drilling equipment of rail leads to the operation to carry inconvenience, energy consumption height because the volume is great.
(II) technical scheme
The utility model provides an automatic feeding device, which comprises a transmission mechanism, a gear set, a main motor, a reduction box, a stepping motor and a main box body, wherein an in-place sensor, a lead screw, a nut, a spline shaft sleeve, a spline shaft and a spline sleeve are arranged in the main box body;
the step motor is used for driving the transmission mechanism to drive the lead screw to rotate, the lead screw is used for converting the torsion of the step motor into thrust through the nut, the nut is used for driving the spline shaft sleeve to move, the spline shaft sleeve is used for driving the spline shaft to move in the spline shaft sleeve, the main motor is connected with the gear set through the reduction gearbox, and the gear set is used for driving the spline sleeve to rotate;
the in-place sensor is used for sending the acquired position information of the screw to the main motor and the stepping motor at the same time.
The spline shaft sleeve is provided with a clamping groove, and the transition block is provided with a bulge matched with the clamping groove; the transition block is fixedly connected with the nut.
Further, the automatic feeding device further comprises a buffer pad, and the buffer pad is arranged at one end, far away from the drill bit, of the nut and is abutted against the inner wall of the main box body.
Further, the number of the buffer pads is at least two.
Further, drive mechanism includes primary synchronization pulley, hold-in range and driven synchronization pulley, primary synchronization pulley passes through the hold-in range drives driven synchronization pulley, driven synchronization pulley with lead screw coaxial coupling.
Furthermore, the gear set comprises a pinion, a transition gear and a gearwheel which are meshed in sequence, and the gearwheel is connected with the spline housing.
Furthermore, the interior of the reduction gearbox is of a planetary gear structure, and the planetary gear structure is meshed with the pinion.
Furthermore, the spline shaft is sleeved with the spline shaft sleeve, and a protrusion used for contacting with the spline shaft is arranged on the inner wall of the spline shaft sleeve.
Furthermore, the number of the in-place sensors is two, and the in-place sensors are respectively located at the positions of the main box bodies at the two ends of the screw nut.
Furthermore, one end of the spline shaft, which is far away from the gear set, is provided with a mounting opening for mounting a drill bit.
(III) advantageous effects
The utility model discloses an automatic feeding device, during automatic drilling, at first the sensor that targets in place carries out the initial point and detects, and step motor begins to rotate, ensures the screw at initial position, and main motor connection reducing gear box begins the low-speed rotation via the gear train this moment, and step motor connects synchronous pulley group and drives lead screw and screw rotation this moment, screw and spline shaft sleeve connection, and spline shaft sleeve can drive the integral key shaft and realize advancing at the inner wall of spline sleeve to realize feeding of drill bit. The spline shaft, the spline shaft sleeve, the lead screw and the nut are matched to realize compact structure, light weight and convenient operation, and the lead screw only needs to drive the spline shaft to move forward and backward with small load, so the energy consumption is low.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments of the present invention will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a front view of an automatic feeding device according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view taken along plane D-D of FIG. 1;
fig. 3 is a right side view of an automatic feeding device according to an embodiment of the present invention;
fig. 4 is an isometric view of an automatic feeding device according to an embodiment of the present invention.
In the figure:
1-a primary synchronous pulley; 2-synchronous belt; 3-driven synchronous pulley; 4-pinion gear; 5-a transition gear; 6-a bull gear; 7-main motor; 8-a reduction gearbox; 9-a stepper motor; 10-in-position sensor; 11-a lead screw; 12-a nut; 13-a transition block; 14-spline shaft sleeve; 15-a spline shaft; 16-spline housing; 17-buffer pad.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
According to the embodiment of the present invention, as shown in fig. 1-4, the automatic feeding device comprises a transmission mechanism, a gear set, a main motor 7, a reduction box 8, a stepping motor 9 and a main box body, wherein an in-place sensor 10, a lead screw 11, a nut 12, a spline shaft sleeve 14, a spline shaft 15 and a spline sleeve 16 are arranged in the main box body; the stepping motor 9 is used for driving the synchronous belt wheel set to drive the lead screw 11 to rotate, the lead screw 11 is used for converting the torsion of the stepping motor 9 into thrust through the nut 12, the nut 12 is used for driving the spline shaft sleeve 14 to move, the spline shaft sleeve 14 is used for driving the spline shaft 15 to move in the spline sleeve 16, the main motor 7 is connected with the gear set through the reduction box 8, and the gear set is used for driving the spline sleeve 16 to rotate; the in-position sensor 10 is used for sending the acquired position information of the screw 12 to the main motor 7 and the stepping motor 9 simultaneously.
In the above embodiment, the operation principle of the automatic feeding device is as follows: when automatic drilling is carried out, firstly, the sensor 10 in place carries out origin detection, the stepping motor 9 starts to rotate, the nut 12 is ensured to be at the initial position, the main motor 7 is connected with the reduction gearbox 8 to start low-speed rotation through the gear set, the stepping motor 9 is connected with the synchronous pulley set to drive the screw rod 11 and the nut 12 to rotate, the nut 12 drives the spline shaft sleeve 14 to move, the spline shaft sleeve 14 can drive the spline shaft 15 to advance and rotate on the inner wall of the spline sleeve 16, and therefore feeding of a drill bit is achieved.
The drill bit continues to advance, when the drill bit is in contact with the track, the rotating speed of the main motor 7 is immediately increased through the increase of the detection current, and meanwhile, the feeding speed of the stepping motor 9 is reduced, so that the stable drilling is guaranteed. The drill bit continues to advance, when the in-place switch 10 at the other end detects that the screw 12 is in place, the stepping motor 9 rapidly rotates reversely to achieve rapid retraction of the drill bit, until the in-place switch 10 sends out a signal again, the stepping motor 9 stops rotating, the main motor 7 stops rotating, and a working cycle is formed at the moment.
As to how the nut 12 drives the spline shaft housing 14 to move, the nut 12 may be connected to the spline shaft housing 14 by welding, clamping, or connecting by a connecting member, which is not limited specifically herein.
The automatic feeding device realizes compact structure, light weight and convenient operation through the matching among the spline shaft, the spline shaft sleeve, the lead screw and the screw, and can realize one-key drilling. The lead screw only needs to drive the spline shaft to move forward and backward, so that the load is small, and the energy consumption is low.
In some optional embodiments, the spline shaft sleeve further comprises a transition block 13, a clamping groove is formed in the spline shaft sleeve 14, and a protrusion matched with the clamping groove is arranged on the transition block 13; the transition block 13 is fixedly connected with the nut 12. A specific connection mode of the spline shaft sleeve 14 and the nut 12 is provided, so that the nut 12 can drive the spline shaft sleeve 14 to rotate. Through the setting of transition piece 13, can avoid carrying out secondary operation to screw 12, save the cost.
In some optional embodiments, the automatic feeding device further comprises a buffer cushion 17, and the buffer cushion 17 is arranged at one end of the nut 12 far away from the drill bit and is abutted with the inner wall of the main box body. Wherein the cushion 17 is used to achieve mechanical stop of the nut 12.
In some alternative embodiments, the number of cushions 17 is at least two. In particular, the greater the number of cushions 17, the more advantageous the mechanical stop of the screw 12.
In some optional embodiments, the transmission mechanism includes a primary synchronous pulley 1, a synchronous belt 2 and a secondary synchronous pulley 3, the primary synchronous pulley 1 drives the secondary synchronous pulley 3 through the synchronous belt 2, and the secondary synchronous pulley 3 is coaxially connected with the lead screw 11.
Specifically, the specific form of the transmission mechanism is not limited, and may be any one of a synchronous pulley set, a pulley, or a gear set, as long as the transmission of force can be achieved. In order to simplify the overall structure of the device, the preferred synchronous pulley set, that is, the primary synchronous pulley 1 drives the driven synchronous pulley 3 to rotate through the synchronous belt 2, so as to drive the screw rod 11 to rotate.
In some alternative embodiments, the gear set comprises a pinion gear 4, a transition gear 5 and a bull gear 6 which mesh in sequence, the bull gear 6 being connected to a spline housing 16.
Specifically, the specific form of the gear set is not limited, and in order to simplify the overall structure of the device, a structure in which the pinion 4, the transition gear 5, and the bull gear 6 are engaged with each other may be selected to drive the spline housing 16 to rotate, in this process, the spline shaft housing 16 only rotates and does not move axially, and since the length of the spline shaft 15 is much larger than that of the spline housing 16, it is ensured that the spline shaft 15 does not come off the spline housing 16 when feeding forward.
In some alternative embodiments, the reduction gearbox 8 is internally of a planetary gear arrangement, and the planetary gear arrangement meshes with the pinion 4. Wherein, the connection of the planet gear structure and the pinion 4 can be more stable through the meshing of the planet gear structure and the pinion 4, the pinion 4 is prevented from being separated from the reduction gearbox 8 in the rotating process, and the structure is relatively simple.
In some alternative embodiments, the spline housing 14 is sleeved on the spline shaft 15, and the inner wall of the spline housing 14 is provided with a protrusion for contacting with the spline shaft 15. The raised arrangement can avoid excessive contact between the spline shaft sleeve 14 and the spline shaft 15, reduce friction force generated between the spline shaft sleeve and the spline shaft in the rotating process and improve the efficiency of the stepping motor 9.
In some alternative embodiments, the number of the in-position sensors 10 is two, respectively located at the main box positions at both ends of the screw 12. The two in-place sensors 10 can accurately detect the forward and backward movement displacement of the screw 12, so that the forward movement or the backward movement of the drill bit can be controlled more accurately.
In some alternative embodiments, the end of the spline shaft 15 remote from the gear set is provided with a mounting opening for mounting a drill bit. The arrangement can facilitate the installation of the drill bit and realize the automatic feeding of the drill bit.
It should be clear that the embodiments in this specification are described in a progressive manner, and the same or similar parts in the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. The present invention is not limited to the specific steps and structures described above and shown in the drawings. Also, a detailed description of known process techniques is omitted herein for the sake of brevity.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. An automatic feeding device is characterized by comprising a transmission mechanism, a gear set, a main motor (7), a reduction box (8), a stepping motor (9) and a main box body, wherein an in-place sensor (10), a lead screw (11), a nut (12), a spline shaft sleeve (14), a spline shaft (15) and a spline sleeve (16) are arranged in the main box body;
the stepping motor (9) is used for driving the transmission mechanism to drive the lead screw (11) to rotate, the lead screw (11) is used for converting the torsion of the stepping motor (9) into thrust through the nut (12), the nut (12) is used for driving the spline shaft sleeve (14) to move, the spline shaft sleeve (14) is used for driving the spline shaft (15) to rotate and move in the spline sleeve (16), the main motor (7) is connected with the gear set through the reduction gearbox (8), and the gear set is used for driving the spline sleeve (16) to rotate;
the in-place sensor (10) is used for sending the acquired position information of the screw (12) to the main motor (7) and the stepping motor (9) at the same time.
2. The automatic feeding device according to claim 1, further comprising a transition block (13), wherein a clamping groove is formed in the spline shaft sleeve (14), and a protrusion matched with the clamping groove is formed in the transition block (13); the transition block (13) is fixedly connected with the nut (12).
3. The automatic feeding device according to claim 1, further comprising a buffer pad (17), wherein the buffer pad (17) is disposed at an end of the nut (12) away from the drill and abuts against an inner wall of the main housing.
4. The automatic feeding device according to claim 3, characterized in that the number of said buffer pads (17) is at least two.
5. The automatic feeding device according to claim 1, wherein the transmission mechanism comprises a primary synchronous pulley (1), a synchronous belt (2) and a secondary synchronous pulley (3), the primary synchronous pulley (1) drives the secondary synchronous pulley (3) through the synchronous belt (2), and the secondary synchronous pulley (3) is coaxially connected with the lead screw (11).
6. The automatic feeding device according to claim 1, characterized in that the gear set comprises a pinion (4), a transition gear (5) and a gearwheel (6) meshing in sequence, the gearwheel (6) being connected with the spline housing (16).
7. The automatic feeding device according to claim 6, characterized in that the reduction box (8) is internally of a planetary gear structure, and the planetary gear structure is meshed with the pinion (4).
8. The automatic feeding device according to claim 1, wherein the spline housing (14) is fitted over the spline shaft (15), and a protrusion for contacting with the spline shaft (15) is provided on an inner wall of the spline housing (14).
9. The automatic feeding device according to claim 1, wherein the number of the in-position sensors (10) is two, respectively at the main case positions at both ends of the screw nut (12).
10. The automatic feeding device according to claim 1, wherein an end of the spline shaft (15) remote from the gear train is provided with a mounting opening for mounting a drill.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121653519.1U CN215090867U (en) | 2021-07-20 | 2021-07-20 | Automatic feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121653519.1U CN215090867U (en) | 2021-07-20 | 2021-07-20 | Automatic feeding device |
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| Publication Number | Publication Date |
|---|---|
| CN215090867U true CN215090867U (en) | 2021-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121653519.1U Active CN215090867U (en) | 2021-07-20 | 2021-07-20 | Automatic feeding device |
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| CN (1) | CN215090867U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023000648A1 (en) * | 2021-07-20 | 2023-01-26 | 北京天泽电力集团有限公司 | Automatic feeding device |
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2021
- 2021-07-20 CN CN202121653519.1U patent/CN215090867U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023000648A1 (en) * | 2021-07-20 | 2023-01-26 | 北京天泽电力集团有限公司 | Automatic feeding device |
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Address after: Room 1801, Eastern District, 18th Floor, No. 1 Building, 100 Xili, Balizhuang, Chaoyang District, Beijing Patentee after: Beijing Tianze Power Group Co.,Ltd. Country or region after: China Address before: Room 1801, Eastern District, 18th Floor, No. 1 Building, 100 Xili, Balizhuang, Chaoyang District, Beijing Patentee before: BEIJING TIANZE ELECTRIC POWER GROUP Co.,Ltd. Country or region before: China |