CN212601150U - Honing head with honing knife overload protection function - Google Patents
Honing head with honing knife overload protection function Download PDFInfo
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- CN212601150U CN212601150U CN202021822953.3U CN202021822953U CN212601150U CN 212601150 U CN212601150 U CN 212601150U CN 202021822953 U CN202021822953 U CN 202021822953U CN 212601150 U CN212601150 U CN 212601150U
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- honing
- sleeve
- servo motor
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- motor
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Abstract
The utility model discloses a honing head with honing knife overload protection, which comprises a honing head body, wherein a motor base is arranged on the honing head body, a rotary servo motor is fixed on the motor base through a motor connecting plate, a synchronous belt pulley is arranged at the lower end of the rotary servo motor, and the synchronous belt pulley drives a sleeve to rotate through a synchronous belt; the feeding servo motor is arranged at the upper end of the speed reducer, and the lower end of the speed reducer is connected with a screw rod through a torque sensor; a honing cutter bar is fixed on the sleeve, and a fixed block, a honing strip and a taper rod are arranged in the honing cutter bar. The utility model discloses protection honing cutter that can be fine can realize that the cutter size freely adjusts in order to prevent mechanical damage, and the commonality can be good, has alleviateed operator intensity of labour when improving production efficiency, and the flexible operation is convenient, and the precision retentivity is good, and the stable performance is reliable, can be safe and reliable work under the condition of non-maintenance.
Description
The technical field is as follows:
the utility model relates to a machining equipment field, especially a take honing sword overload protection's honing head.
Background art:
with the development of assembly manufacturing and the perfection of honing process, higher requirements are put on the structural design of honing equipment. The honing cutter usually needs to manually adjust the size of the cutter, the workload is large, time and labor are wasted, and in addition, the phenomenon that the cutter is excessively stressed and damaged sometimes occurs in the honing process, so that unnecessary loss is caused.
The invention content is as follows:
in order to overcome the defects of the prior art, the honing head with the honing knife overload protection, which can realize the free adjustment of the size of the knife, has good universality, improves the production efficiency, lightens the labor intensity, is flexible and convenient to operate, has good precision retentivity and stable and reliable performance, is provided.
The purpose of the utility model is realized through the following technical scheme: a honing head with honing knife overload protection comprises a honing head body, wherein a motor base is arranged on the honing head body, a rotary servo motor is fixed on the motor base through a motor connecting plate, a synchronous belt wheel is arranged at the lower end of the rotary servo motor, and the synchronous belt wheel drives a sleeve to rotate through a synchronous belt;
the feeding servo motor is arranged at the upper end of the speed reducer, and the lower end of the speed reducer is connected with a screw rod through a torque sensor;
two lead screw bearings are arranged at the upper end of the lead screw and are pressed by an inner sleeve bearing pressing plate, a lead screw nut is arranged on the lead screw, and a plug is arranged at the lower end of the lead screw nut;
a honing cutter bar is fixed on the sleeve, a fixed block, a honing strip and a taper rod are arranged in the honing cutter bar, force is transferred to the taper rod through a plug on a screw nut by the feeding servo motor, so that a conical surface at the front end of the taper rod moves downwards to prop open the honing strip in the fixed block;
an inner sleeve is fixed at the lower end of the motor base, and an inner sleeve bearing A, a small sleeve inner ring, a small sleeve outer ring, an inner sleeve bearing and an inner sleeve bearing pressing plate are sequentially installed on the inner sleeve from top to bottom.
The utility model discloses a further improvement lies in: the sleeve is sequentially provided with a sleeve gland, a sleeve bearing A, a sleeve inner ring, a sleeve outer ring, a sleeve bearing B, a sleeve gland B and a sleeve gland A which are fastened through a locking nut, and the sleeve gland A has a dustproof effect.
Compared with the prior art, the utility model has the advantages of it is following:
1. a torsion sensor is added between the feeding servo motor and the screw rod to serve as a protection device to prevent mechanical damage;
2. the cutter size can be freely adjusted through servo control, the universality is good, the production efficiency is improved, and the labor intensity of operators is reduced;
3. the operation is flexible and convenient, the precision retentivity is good, the performance is stable and reliable, and the device can work safely and reliably under the condition of no maintenance.
Description of the drawings:
fig. 1 is a perspective view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a schematic view of the present invention taken from J-J;
FIG. 4 is a schematic view of the P-P of the present invention;
FIG. 5 is a view of the mounting structure of the synchronous pulley of the present invention;
reference numerals: 1. the honing tool comprises a rotary servo motor, 2 a motor connecting plate, 3 a motor base, 4 a honing head body, 5 a screw rod gland, 6 a screw rod bearing, 7 an inner sleeve bearing pressure plate, 8 a sleeve gland, 9 a sleeve bearing A, 10 a small sleeve outer ring, 11 a small sleeve inner ring, 12 a sleeve bearing B, 13, a sleeve gland A, 14 a sleeve, 15 a honing cutter rod, 16 a fixed block, 17 a honing strip, 18 a taper rod, 19 a plug, 20 a screw rod nut, 21 a locking nut, 22 a sleeve gland B, 23 an inner sleeve bearing A, 24 a sleeve inner ring, 25 a sleeve outer ring, 26 a screw rod, 27 an inner sleeve bearing, 28 an inner sleeve, 29 a torsion sensor, 30 a speed reducer, 31 a feeding servo motor, 32 a synchronous belt pulley and 33 a synchronous belt.
The specific implementation mode is as follows:
in order to deepen the understanding of the present invention, the present invention will be further described in detail with reference to the following embodiments and the attached drawings, and the embodiments are only used for explaining the present invention, and do not constitute the limitation to the protection scope of the present invention.
Fig. 1 to 5 show a specific embodiment of a honing head with honing tool overload protection: the honing tool comprises a honing head body 4, wherein a motor base 3 is arranged on the honing head body 4, a rotary servo motor 1 is fixed on the motor base 3 through a motor connecting plate 2, a synchronous pulley 32 is arranged at the lower end of the rotary servo motor 1, and the synchronous pulley 32 drives a sleeve 14 to rotate through a synchronous belt 33;
the feeding servo motor 31 and the speed reducer 30 are further included, the speed reducer 30 is fixed on the motor base 3, the feeding servo motor 31 is installed at the upper end of the speed reducer 30, and the lower end of the speed reducer 30 is connected with the screw rod 26 through the torque sensor 29; two lead screw bearings 6 are arranged at the upper end of the lead screw 26 and are pressed by an inner sleeve bearing pressing plate 7, a lead screw nut 20 is arranged on the lead screw 26, and a plug 19 is arranged at the lower end of the lead screw nut 20;
an inner sleeve 28 is fixed at the lower end of the motor base 3, and an inner sleeve bearing A23, a small sleeve inner ring 11, a small sleeve outer ring 10, an inner sleeve bearing 27 and an inner sleeve bearing pressing plate 7 are sequentially arranged on the inner sleeve 28 from top to bottom;
the sleeve 14 is provided with a sleeve gland 8, a sleeve bearing A9, a sleeve inner ring 24, a sleeve outer ring 25, a sleeve bearing B12, a sleeve gland B22 and a sleeve gland A13, and is fastened through a lock nut 21, and the sleeve gland A13 has a dustproof effect;
a honing cutter bar 15 is fixed on the sleeve 14, a fixed block 16, honing strips 17 and a taper rod 18 are arranged in the honing cutter bar 15, force is transmitted to the taper rod 18 through a plug 19 on a screw nut 20 by a feeding servo motor 31, so that the taper surface at the front end of the taper rod 18 moves downwards, and the honing strips 17 in the fixed block 16 are expanded;
the honing head working process is as follows:
when the honing head works, a honing tool is inserted into a workpiece hole to be honed, a feeding servo motor 31 obtains a signal, a lead screw 26 is driven to rotate through a speed reducer 30 and a torsion sensor 29, a lead screw nut 20 arranged on the lead screw 26 is forced to move downwards along an inner sleeve 28, a plug 19 arranged at the lower end of the lead screw nut 20 pushes a conical surface at the front end of a conical rod 18 to move downwards, and a honing strip 17 in a fixed block 16 is spread;
the rotary servo motor 1 obtains a honing signal, the sleeve 14 is driven to rotate through the synchronous belt wheel 32 and the synchronous belt 33, and the honing cutter bar 15 is fixed on the sleeve 14, so that the honing cutter bar 15 and the honing strip 17 rotate together, and the inner hole of the workpiece is honed.
When the required torque exceeds the set value due to excessive stress on the tool during honing, or vibration, overload or mechanical failure of the machine, the torque sensor 29 installed below the speed reducer 30 limits the torque transmitted by the feeding servo motor 31 in a sliding manner, and stops the machine to alarm, thereby avoiding unnecessary loss caused by damage to the tool and the machine.
The utility model adds a torsion sensor between the feeding servo motor and the screw rod as a protection device to prevent mechanical damage; the cutter size can be freely adjusted through servo control, the universality is good, the production efficiency is improved, and the labor intensity of operators is reduced; the operation is flexible and convenient, the precision retentivity is good, the performance is stable and reliable, and the device can work safely and reliably under the condition of no maintenance.
The applicant further states that the present invention is described by the above embodiments, but the present invention is not limited to the above embodiments, i.e. the present invention is not limited to the above embodiments, and the present invention can be implemented only by relying on the above methods and structures. It should be clear to those skilled in the art that any improvement of the present invention is to the present invention, and the addition of the equivalent replacement of the implementation method and the steps, the selection of the specific mode, etc. all fall within the protection scope and the disclosure scope of the present invention.
The utility model discloses not limited to above-mentioned embodiment, all adopt and the utility model discloses similar structure and method realize the utility model discloses all modes of purpose all are within the protection scope of the utility model.
Claims (3)
1. The utility model provides a take honing knife overload protection's honing head which characterized in that: the honing tool comprises a rotary servo motor (1) and a honing head body (4), wherein a motor base (3) is arranged on the honing head body (4), the rotary servo motor (1) is fixed on the motor base (3) through a motor connecting plate (2), a synchronous belt wheel (32) is arranged at the lower end of the rotary servo motor (1), and the synchronous belt wheel (32) drives a sleeve (14) to rotate through a synchronous belt (33);
the feeding servo motor is characterized by further comprising a feeding servo motor (31) and a speed reducer (30), wherein the speed reducer (30) is fixed on the motor base (3), the feeding servo motor (31) is installed at the upper end of the speed reducer (30), and the lower end of the speed reducer (30) is connected with a screw rod (26) through a torque sensor (29);
two lead screw bearings (6) are arranged at the upper end of the lead screw (26) and are pressed by an inner sleeve bearing pressing plate (7), a lead screw nut (20) is arranged on the lead screw (26), and a plug (19) is arranged at the lower end of the lead screw nut (20);
a honing cutter bar (15) is fixed on the sleeve (14), a fixed block (16), a honing strip (17) and a taper rod (18) are arranged in the honing cutter bar (15), and the feed servo motor (31) transmits force to the taper rod (18) through a plug (19) on a screw nut (20) to enable a conical surface at the front end of the taper rod (18) to move downwards so as to prop open the honing strip (17) in the fixed block (16).
2. The honing head with honing tool overload protection of claim 1, wherein: an inner sleeve (28) is fixed at the lower end of the motor base (3), and an inner sleeve bearing A (23), a small sleeve inner ring (11), a small sleeve outer ring (10), an inner sleeve bearing (27) and an inner sleeve bearing pressing plate (7) are sequentially installed on the inner sleeve (28) from top to bottom.
3. The honing head with honing tool overload protection of claim 1, wherein: the sleeve bearing structure is characterized in that a sleeve gland (8), a sleeve bearing A (9), a sleeve inner ring (24), a sleeve outer ring (25), a sleeve bearing B (12), a sleeve gland B (22) and a sleeve gland A (13) are sequentially arranged on the sleeve (14) and fastened through a locking nut (21), and the sleeve gland A (13) has a dustproof effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021822953.3U CN212601150U (en) | 2020-08-27 | 2020-08-27 | Honing head with honing knife overload protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021822953.3U CN212601150U (en) | 2020-08-27 | 2020-08-27 | Honing head with honing knife overload protection function |
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| Publication Number | Publication Date |
|---|---|
| CN212601150U true CN212601150U (en) | 2021-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021822953.3U Active CN212601150U (en) | 2020-08-27 | 2020-08-27 | Honing head with honing knife overload protection function |
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| CN (1) | CN212601150U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111890217A (en) * | 2020-08-27 | 2020-11-06 | 南通新冯精密机械有限公司 | Honing head with honing knife overload protection function |
-
2020
- 2020-08-27 CN CN202021822953.3U patent/CN212601150U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111890217A (en) * | 2020-08-27 | 2020-11-06 | 南通新冯精密机械有限公司 | Honing head with honing knife overload protection function |
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