CN213351501U - Screw nut positioning device - Google Patents
Screw nut positioning device Download PDFInfo
- Publication number
- CN213351501U CN213351501U CN202021652576.3U CN202021652576U CN213351501U CN 213351501 U CN213351501 U CN 213351501U CN 202021652576 U CN202021652576 U CN 202021652576U CN 213351501 U CN213351501 U CN 213351501U
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- cutter head
- gear
- driving
- cutter
- feeding
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- Expired - Fee Related
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Abstract
The utility model relates to a screw nut positioning device, which comprises a cutter gear, wherein a cutter is arranged on the cutter gear, and a rotary cutter feeding groove is arranged on the cutter; the cutter head gear is provided with a chamfering cutter assembly and a cutting cutter assembly, and further comprises a cutter head driving servo motor, a cutter head driving speed reducer, a driving cutter head idler gear and a cutter head driving gear, the driving cutter head idler gear is meshed with the cutter head gear, the cutter head driving gear is meshed with the driving cutter head idler gear, the driving cutter head idler gear is connected with a rotating shaft, the rotating shaft is connected with a screw nut, the cutter head driving servo motor is connected with the cutter head driving speed reducer, and the cutter head driving gear is arranged on an output shaft of the cutter head; the automatic feeding device also comprises a feeding servo motor, a feeding speed reducer, a feeding gear and a feeding driving idler gear, wherein the feeding servo motor is connected with the feeding speed reducer, the feeding gear is arranged on an output shaft of the feeding speed reducer, and the feeding driving idler gear is arranged on the rotating shaft; and a photoelectric switch is arranged on the screw rod nut. The device has high positioning efficiency and accurate positioning.
Description
Technical Field
The utility model belongs to the technical field of positioner, concretely relates to screw-nut positioner.
Background
Among the metal processing device, the cutter head gear is the accessory commonly used, and chamfer sword subassembly and cutting off cutter assembly install and use on the cutter head gear, mainly lean on artifical location to the location of chamfer sword subassembly and cutting off cutter assembly at present, and efficiency is slow and the location is inaccurate.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the above-mentioned prior art, the utility model aims to provide a screw-nut positioner is in order to solve foretell technical problem.
In order to realize the purpose of the utility model, the utility model provides a technical scheme as follows:
a lead screw nut positioning device comprises a cutter head gear, wherein a cutter feeding head is arranged on the cutter head gear, and a rotary cutter feeding groove is formed in the cutter feeding head; the cutter head gear is provided with a chamfering cutter assembly and a cutting cutter assembly, and further comprises a cutter head driving servo motor, a cutter head driving speed reducer, a driving cutter head idler gear and a cutter head driving gear, wherein the driving cutter head idler gear is meshed with the cutter head gear, the cutter head driving gear is meshed with the driving cutter head idler gear, the driving cutter head idler gear is connected with a rotating shaft, the rotating shaft is connected with a screw nut, the cutter head driving servo motor is connected with the cutter head driving speed reducer, and the cutter head driving gear is arranged on an output shaft of the cutter head driving speed reducer; the automatic feeding device is characterized by further comprising a feeding servo motor, a feeding speed reducer, a feeding gear and a feeding driving idler gear, wherein the feeding servo motor is connected with the feeding speed reducer, the feeding gear is arranged on an output shaft of the feeding speed reducer, and the feeding driving idler gear is arranged on the rotating shaft; and a photoelectric switch connected with the feed servo motor is arranged on the feed screw nut.
Preferably, the screw rod nut comprises a positioning screw rod and a positioning screw rod nut arranged on the positioning screw rod, one end of the positioning screw rod is connected with the rotating shaft, the other end of the positioning screw rod is connected with a first supporting flange, a photoelectric switch bracket is fixed on the first supporting flange, and the photoelectric switch is positioned on the photoelectric switch bracket; and the positioning screw rod nut is provided with a photoelectric switch positioning sheet matched with the photoelectric switch.
Preferably, a connecting rod is arranged between the screw rod nut and the first supporting flange, and the photoelectric switch positioning piece is in sliding connection with the connecting rod.
Preferably, the rotary cutter head idler gear is arranged on the cutter head, and the rotary shaft is connected with the cutter head idler gear through a bearing; the power output end of the feed speed reducer is connected with a feed gear shaft, the feed gear shaft is connected with the speed reducer support through a bearing, and the feed gear is fixed on the feed gear shaft.
Preferably, a screw nut connecting sleeve is arranged on the rotating shaft, and a supporting bearing sleeve are arranged on the screw nut connecting sleeve; one end of the rotating shaft, which is close to the positioning screw rod, is sleeved with a second supporting flange, and the second supporting flange is connected with the screw rod nut connecting sleeve.
Preferably, one end of the cutter feeding disc, which is far away from the cutter disc gear, is connected with a cutter feeding bearing outer sleeve through a cutter feeding disc connecting flange, and a cutter feeding bearing inner sleeve is arranged in the cutter feeding bearing outer sleeve; the cutter head gear is connected with a cutter head connecting flange through a cutter head connecting shaft, the cutter head connecting flange is connected with a cutter head bearing outer sleeve, a cutter head bearing outer sleeve is arranged in the cutter head bearing outer sleeve, and a cutter feeding bearing is arranged in the cutter feeding bearing inner sleeve.
The utility model provides a screw-nut positioner, blade disc drive servo motor and feed servo motor start simultaneously during the use, and the rotational speed is unanimous, and the blade disc gear is unanimous with feed disc rotational speed, and chamfer cutter unit spare and cutting off cutter unit spare are motionless. When the rotating speed of the feed servo motor is higher than that of the cutter head drive servo motor, the chamfering cutter assembly and the cutting cutter assembly are driven to advance under the action of the spiral cutter feeding groove. And conversely, when the rotating speed of the feed servo motor is lower than that of the cutter head drive servo motor, the chamfering cutter assembly and the cutting cutter assembly are driven to retreat under the action of the spiral cutter feeding groove. The motion control photoelectric switch of the existing screw nut plays a role in positioning the chamfering cutter assembly and the cutting cutter assembly, so that the chamfering cutter assembly and the cutting cutter assembly are positioned in an automatic control mode, the efficiency is high, and the positioning is accurate.
Drawings
Fig. 1 is a schematic front structural view of a lead screw nut positioning device of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a cross-sectional view B-B of FIG. 2;
FIG. 4 is a cross-sectional view C-C of FIG. 2;
FIG. 5 is a side view of a lead screw nut positioning device;
FIG. 6 is a rear elevational view of a lead screw nut positioning device;
figure 7 is a top view of a lead screw nut positioning device.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. 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.
The utility model provides a screw nut positioning device, see fig. 1-6, comprising a cutter gear 5, wherein a cutter feeding disc 4 is arranged on the cutter gear, and a rotary cutter feeding groove 29 is arranged on the cutter feeding disc; the cutter head gear is provided with a chamfering cutter assembly 27 and a cutting-off cutter assembly 28, and further comprises a cutter head driving servo motor 33, a cutter head driving speed reducer 32, a driving cutter head idler gear 10 and a cutter head driving gear 31, wherein the driving cutter head idler gear is meshed with the cutter head gear, the cutter head driving gear is meshed with the driving cutter head idler gear, the driving cutter head idler gear is connected with a rotating shaft 11, the rotating shaft is connected with a screw nut 51, the cutter head driving servo motor is connected with the cutter head driving speed reducer, and the cutter head driving gear is arranged on an output shaft of the cutter head driving speed reducer; the device also comprises a feed servo motor 26, a feed speed reducer 25, a feed gear 22 and a feed driving idle gear 12, wherein the feed servo motor is connected with the feed speed reducer, the feed gear is arranged on an output shaft of the feed speed reducer, and the feed driving idle gear is arranged on the rotating shaft; and a photoelectric switch 19 connected with the feed servo motor is arranged on the feed screw nut.
When the lead screw nut positioning device is used, the cutter head drives the servo motor and the feed servo motor to be started simultaneously, the rotating speeds are consistent, the rotating speeds of the cutter head gear and the cutter head are consistent, and the chamfering cutter assembly and the cutting cutter assembly are not moved. When the rotating speed of the feed servo motor is higher than that of the cutter head drive servo motor, the chamfering cutter assembly and the cutting cutter assembly are driven to advance under the action of the spiral cutter feeding groove. And conversely, when the rotating speed of the feed servo motor is lower than that of the cutter head drive servo motor, the chamfering cutter assembly and the cutting cutter assembly are driven to retreat under the action of the spiral cutter feeding groove. The motion control photoelectric switch of the existing screw nut plays a role in positioning the chamfering cutter assembly and the cutting cutter assembly, so that the chamfering cutter assembly and the cutting cutter assembly are positioned in an automatic control mode, the efficiency is high, and the positioning is accurate.
As an implementation mode, the screw nut includes a positioning screw 17 and a positioning screw nut 16 disposed on the positioning screw, one end of the positioning screw is connected to the rotating shaft, the other end of the positioning screw is connected to a first supporting flange 15, a photoelectric switch bracket 20 is fixed on the first supporting flange, and the photoelectric switch is located on the photoelectric switch bracket; a connecting rod 34 is arranged between the screw rod nut and the first supporting flange, and the photoelectric switch positioning sheet is connected with the connecting rod in a sliding manner; a photoelectric switch positioning sheet 18 matched with the photoelectric switch is arranged on the positioning screw rod nut; the device also comprises a speed reducer support 24, wherein the rotating shaft is arranged on the speed reducer support and is connected with the driving cutter head idler gear, the speed reducer support and the feed driving idler gear through a bearing 13; the power output end of the feed speed reducer is connected with a feed gear shaft 23, the feed gear shaft is connected with the speed reducer support through a bearing, and the feed gear is fixed on the feed gear shaft; the rotating shaft is provided with a screw nut connecting sleeve 14, and the screw nut connecting sleeve is provided with a supporting bearing 21a and a supporting bearing sleeve 21; one end of the rotating shaft close to the positioning screw rod is sleeved with a second supporting flange 15a, and the second supporting flange is connected with the screw rod nut connecting sleeve; one end of the cutter feeding disc, which is far away from the cutter disc gear, is connected with a cutter feeding bearing outer sleeve 2 through a cutter feeding disc connecting flange 3, and a cutter feeding bearing inner sleeve 1 is arranged in the cutter feeding bearing outer sleeve; the cutter head gear is connected with a cutter head connecting flange 7 through a cutter head connecting shaft 6, the cutter head connecting flange is connected with a cutter head bearing outer sleeve 8, a cutter head bearing outer sleeve inner sleeve 9 is arranged in the cutter head bearing outer sleeve, and a feed bearing 30 is arranged in the feed bearing inner sleeve.
The principle of the screw nut positioning device is as follows:
1. the cutter head drives the servo motor to drive the cutter head to drive the speed reducer, further drives the cutter head driving gear, further drives the driving cutter head idler gear, and further drives the cutter head gear (cutter head), and accordingly rotation of the cutter head is achieved. The cutter head gear is connected to the cutter head connecting flange through a cutter head connecting shaft and is fixed to the cutter head bearing outer sleeve;
2. the cutter head drives the servo motor to drive the cutter head to drive the speed reducer and the cutter head to drive the gear, so as to drive the rotating shaft to drive the cutter head idler gear shaft and link the positioning screw rod, and therefore the positioning screw rod is rotated;
3. the feed servo motor drives a feed speed reducer to further drive a feed gear shaft to further drive a feed gear, further drive a feed to drive an idle gear, further drive a feed bearing outer sleeve (which can also be a gear), further drive a feed disc connecting flange, and further link a feed disc, so that the feed disc is rotated; the spiral cutter feeding groove of the cutter feeding disc drives the cutter feeding bearing to further drive the chamfering cutter assembly and the cutting cutter assembly to perform telescopic motion;
4. the feed servo motor drives a feed speed reducer to further drive a feed gear shaft to further drive a feed gear, and further drive a feed to drive an idle gear to further link a lead screw nut connecting sleeve to further link a lead screw nut connecting support flange; the screw rod nut is connected with the supporting flange to drive the positioning screw rod nut and further drive the photoelectric switch positioning sheet, so that radial rotation and axial movement of the positioning screw rod nut are realized;
5. when the cutter is started, the cutter driving servo motor and the feed servo motor are started simultaneously, and the rotating speeds are consistent; the rotating speeds of the cutter head and the cutter feeding head are consistent, the cutter feeding bearing, the chamfering cutter assembly and the cutting cutter assembly are not moved, the rotating speeds of the positioning screw rod and the positioning screw rod nut are consistent, and the photoelectric switch positioning sheet is not moved; when the rotating speed of the feed servo motor is higher than that of the cutter head drive servo motor, the feed bearing drives the chamfering cutter assembly and the cutting cutter assembly to advance under the action of the spiral feed groove, otherwise, when the rotating speed of the feed servo motor is lower than that of the cutter head drive servo motor, the feed bearing drives the chamfering cutter assembly and the cutting cutter assembly to retreat under the action of the spiral feed groove; the positioning screw rod and the positioning screw rod nut realize that the positioning screw rod nut and the photoelectric switch positioning sheet reciprocate on the connecting rod under the condition of different rotating speeds, so that the positioning effect for the chamfering cutter assembly and the cutting cutter assembly is achieved.
The above-mentioned embodiments only express the embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (6)
1. A lead screw nut positioning device comprises a cutter head gear (5), wherein a cutter feeding head (4) is arranged on the cutter head gear, and a rotary cutter feeding groove (29) is formed in the cutter feeding head; the cutter head gear is provided with a chamfering cutter component (27) and a cutting cutter component (28), and is characterized in that,
the cutter head driving device is characterized by further comprising a cutter head driving servo motor (33), a cutter head driving speed reducer (32), a driving cutter head idler gear (10) and a cutter head driving gear (31), wherein the driving cutter head idler gear is meshed with the cutter head gear, the cutter head driving gear is meshed with the driving cutter head idler gear, the driving cutter head idler gear is connected with a rotating shaft (11), the rotating shaft is connected with a screw nut (51), the cutter head driving servo motor is connected with the cutter head driving speed reducer, and the cutter head driving gear is arranged on an output shaft of the cutter head driving speed reducer;
the automatic feeding device is characterized by further comprising a feeding servo motor (26), a feeding speed reducer (25), a feeding gear (22) and a feeding driving idler gear (12), wherein the feeding servo motor is connected with the feeding speed reducer, the feeding gear is arranged on an output shaft of the feeding speed reducer, and the feeding driving idler gear is arranged on the rotating shaft;
and a photoelectric switch (19) connected with the feed servo motor is arranged on the feed screw nut.
2. The lead screw nut positioning device according to claim 1, wherein the lead screw nut comprises a positioning lead screw (17) and a positioning lead screw nut (16) arranged on the positioning lead screw, one end of the positioning lead screw is connected with the rotating shaft, the other end of the positioning lead screw is connected with a first supporting flange (15), a photoelectric switch bracket (20) is fixed on the first supporting flange, and the photoelectric switch is positioned on the photoelectric switch bracket;
and a photoelectric switch positioning sheet (18) matched with the photoelectric switch is arranged on the positioning screw rod nut.
3. A lead screw nut positioning device according to claim 1, characterized in that a connecting rod (34) is arranged between the lead screw nut and the first support flange, and the photoelectric switch positioning piece is slidably connected with the connecting rod.
4. The feed screw nut positioning device according to claim 1, further comprising a speed reducer bracket (24), wherein the rotating shaft is arranged on the speed reducer bracket and connected with the driving cutter head idler gear, the speed reducer bracket and the feed driving idler gear through a bearing (13);
the power output end of the feed speed reducer is connected with a feed gear shaft (23), the feed gear shaft is connected with the speed reducer support through a bearing, and the feed gear is fixed on the feed gear shaft.
5. A lead screw nut positioning device according to claim 2, characterized in that the spindle is provided with a lead screw nut connecting sleeve (14) which is provided with a support bearing (21a) and a support bearing sleeve (21);
one end of the rotating shaft, which is close to the positioning screw rod, is sleeved with a second supporting flange (15a), and the second supporting flange is connected with the screw rod nut connecting sleeve.
6. A lead screw nut positioning device according to any one of claims 2-5, characterized in that one end of the feed disc, which is far away from the disc gear, is connected with a feed bearing outer sleeve (2) through a feed disc connecting flange (3), and a feed bearing inner sleeve (1) is arranged in the feed bearing outer sleeve;
the cutter head gear is connected with a cutter head connecting flange (7) through a cutter head connecting shaft (6), the cutter head connecting flange is connected with a cutter head bearing outer sleeve (8), a cutter head bearing outer sleeve inner sleeve (9) is arranged in the cutter head bearing outer sleeve, and a feed bearing (30) is arranged in the feed bearing inner sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021652576.3U CN213351501U (en) | 2020-08-10 | 2020-08-10 | Screw nut positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021652576.3U CN213351501U (en) | 2020-08-10 | 2020-08-10 | Screw nut positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213351501U true CN213351501U (en) | 2021-06-04 |
Family
ID=76144878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021652576.3U Expired - Fee Related CN213351501U (en) | 2020-08-10 | 2020-08-10 | Screw nut positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213351501U (en) |
-
2020
- 2020-08-10 CN CN202021652576.3U patent/CN213351501U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210604 Termination date: 20210810 |