CN208929985U - Flexible grinding head device - Google Patents
Flexible grinding head device Download PDFInfo
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- CN208929985U CN208929985U CN201821455341.8U CN201821455341U CN208929985U CN 208929985 U CN208929985 U CN 208929985U CN 201821455341 U CN201821455341 U CN 201821455341U CN 208929985 U CN208929985 U CN 208929985U
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- 230000007246 mechanism Effects 0.000 claims abstract description 49
- 238000005192 partition Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 229920001875 Ebonite Polymers 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims description 2
- 238000005498 polishing Methods 0.000 abstract description 16
- 238000000034 method Methods 0.000 abstract description 5
- 230000008859 change Effects 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 238000003754 machining Methods 0.000 description 8
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
The utility model discloses a kind of flexible grinding head device, rotating mechanism and flexible limit mechanism including being fixed with workpiece polishing mechanism thereon；Wherein, workpiece polishing mechanism includes motor and the bistrique that is arranged on motor output shaft；Rotating mechanism setting enables motor 360 ° of rotations in the horizontal direction in motor bottom；Flexible limit mechanism includes two springs that the swing rod connecting with rotating mechanism, two spring bases for being symmetricly set on swing rod two sides, both ends are fixed on the connecting rod between two spring bases and are installed on connecting rod, and spring is located in spring base；Radial through-hole is offered on swing rod, is installed on connecting rod in radial through-hole, and two springs are in the two sides that compressive state is symmetricly set on swing rod respectively；The flexibility grinding head device can adapt to surface automatically and change and complete polishing operation, i.e., bistrique always process by coating surface, and can be used as manual/auto control executing agency end polishing element, improve the degree of automation of bruting process, reduce the labor intensity of personnel.
Description
Technical Field
The utility model relates to the technical field of machining, in particular to flexible bistrique device.
Background
With the deep development of the intelligent manufacturing technology, machine operation is replaced by manual operation in more and more industries, the production efficiency is improved, and the automatic/semi-automatic machining for simply and easily polishing the surface of a workpiece is realized in the polishing industry. However, under the condition that the roundness and the planeness of the workpiece have large errors, the machining quality is difficult to ensure, namely, the phenomenon of non-grinding or over-grinding can occur, and particularly, in some end surfaces or local positions, the angle grinder still needs to be manually held for grinding, so that the angle grinder becomes a large factor influencing the machining efficiency and is not beneficial to manual long-term operation.
To the deficiency of the current situation of the above-mentioned polishing operation, it is necessary to design a flexible grinding head device, when surface machining error or even geometric error occurs in the workpiece, the flexible grinding head device can automatically adapt to surface change and complete the polishing operation, namely, the grinding head is always attached to the surface machining, the flexible polishing can be performed on the surface to be polished, and the flexible grinding head device can be used as a polishing element at the tail end of a manual/automatic control execution mechanism, so that the automation degree of the polishing process is improved, and the labor intensity of personnel is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a enough automatic adaptation surface variation and accomplish the flexible bistrique device of the operation of polishing.
Therefore, the utility model discloses technical scheme as follows:
a flexible grinding head device comprises a rotating mechanism and a flexible limiting mechanism, wherein the rotating mechanism is fixedly provided with a grinding mechanism; the grinding mechanism comprises a motor and a grinding head arranged on an output shaft of the motor; the rotating mechanism is arranged at the bottom of the motor, so that the motor can rotate in the horizontal direction; the flexible limiting mechanism comprises a swing rod connected with the rotating mechanism, two spring seats symmetrically arranged on two sides of the swing rod, a connecting rod with two ends arranged between the two spring seats and two springs arranged on the connecting rod in a penetrating mode; the swing rod is provided with a radial through hole, so that the connecting rod is arranged in the radial through hole in a penetrating manner, the two springs are in a compressed state, one end of each spring is arranged in the spring seat positioned on the adjacent side, and the other end of each spring abuts against the side walls on the two sides of the swing rod respectively; the rotating mechanism and the two spring seats are arranged on a bottom plate.
Further, the rotating mechanism comprises a rotating connecting piece, a rotating shaft and a bearing; the rotating shaft is movably fixed in the groove of the bottom plate through the bearing, and the rotating connecting piece is fixed at the top end of the rotating shaft and rotates on the horizontal plane along with the rotating shaft.
Further, the rotary connecting piece is a rotary disc or a vertically arranged cylindrical piece. Particularly, when the arrangement space of the grinding head device is large, the rotary disc can be selected as a rotary connecting piece, and correspondingly, the swing rod is fixedly connected on the wall surface of any side of the motor. When the grinding head device is arranged in a small space, the vertically arranged cylindrical piece is used as the rotary connecting piece, so that the swing rod can be arranged at the bottom of the motor, and the occupied space of the grinding head device is reduced.
Furthermore, a pressure sensing device is arranged on the side wall of one side, in contact with the spring, of the swing rod, so that the swing rod has the effect of a force sensor, and the pressure value of the spring pressure on the swing rod is monitored in real time.
Furthermore, the flexible limiting mechanism is arranged on one side of the motor, so that the swing rod is perpendicular to the axis of the motor, and the end part of the end adjacent to the motor is fixed on the rotary connecting piece.
Furthermore, radial through holes are symmetrically formed in the two spring seats, and connecting external threads are formed on the outer walls of the two ends of the connecting rod, so that the two ends of the connecting rod are respectively penetrated in the radial through holes of the two spring seats and are fixed between the two spring seats through two locking nuts which are connected to the end parts of the two ends of the connecting rod through two threads; in addition, a strip-shaped through hole is formed in the bottom plate below the two spring seats along the connecting line direction of the two spring seats, so that the fastening bolts vertically arranged on the spring seats can be fixed at any position in the strip-shaped through hole, the adjustable spacing distance between the two spring seats is realized, and the adjustable compression amount of the two springs is further realized.
Furthermore, a base is arranged below the bottom plate, and an elastic partition plate is arranged between the bottom plate and the base.
Further, the elastic partition board is a hard rubber board or a composite board formed by the hard rubber board and a rigid board.
When the flexible grinding head device is used, the flexible grinding head device can be arranged on an actuating mechanism, such as the tail end of a mechanical arm, so that the automation degree is improved, and the labor intensity of personnel is reduced.
Compared with the prior art, this flexible bistrique device is applicable to the flexibility of workpiece surface and polishes, is particularly useful for polishing of uneven surface work piece, through slewing mechanism and flexible stop gear mutually support promptly, realizes when waiting to polish that machining error appears in the surface, and even when geometric error, the device can accomplish comprehensively polishing by the error change on self-adaptation surface, obviously reduces the secondary and remedies the process of polishing, improves the efficiency of polishing. When the device is used, the device can be used as a manual/automatic control execution mechanism tail end grinding element to be installed on an execution mechanism, such as the tail end of a mechanical arm, so that the automation degree is improved, and the labor intensity of personnel is reduced.
Drawings
Fig. 1 is a schematic structural view of a flexible grinding head device according to embodiment 1 of the present invention;
fig. 2 is a sectional view of a flexible grinding head device according to embodiment 1 of the present invention;
fig. 3 is a schematic structural view of a flexible limiting mechanism of the flexible grinding head device according to embodiment 1 of the present invention;
fig. 4 is a schematic structural diagram of a flexible limiting mechanism of a flexible grinding head device according to embodiment 2 of the present invention.
In the figure: 1. grinding heads; 2. a motor; 3. a base; 4. an elastic partition plate; 5. rotating the connecting piece; 6. a base plate; 7. a swing rod; 8. a spring seat; 9. a rotating shaft; 10. a bearing; 11. a connecting rod; 12. a spring.
Detailed Description
The present invention will be further described with reference to the following drawings and specific examples, but the following examples are by no means limiting the present invention.
Example 1
As shown in fig. 1 and 2, the flexible grinding head device comprises a grinding mechanism, a rotating mechanism and a flexible limiting mechanism which are arranged on a base 3; wherein,
the grinding mechanism comprises a grinding head 1 and a motor 2; specifically, the grinding head 1 is disc-shaped, and the center thereof is provided with a center jack which is assembled on an output shaft of the motor 2; the grinding head 1 is inserted and fixed on an output shaft of the motor 2 through an elastic chuck to realize forward or reverse rotation along with the output shaft of the motor 2;
the rotating mechanism comprises a turntable 5 arranged on the bottom plate 6, a rotating shaft 9 and a rolling bearing 10; specifically, the rolling bearing 10 is arranged and fixed in a groove formed in the bottom plate 6 in an interference fit manner, and the rotating shaft 9 is arranged and fixed in a central hole of the rolling bearing 10 in a small-clearance fit manner; the center of the rotating shaft 9 is provided with a cylindrical bulge which is fixedly connected with an inserting hole arranged at the center of the rotating disc 5 in a transition fit manner, so that the rotating disc 5 can rotate 360 degrees on the horizontal plane along with the rotating shaft; the rotating shaft 9, the turntable 5 and the motor 2 are fixedly connected through bolt holes arranged on the rotating shaft 9 and the turntable 5, namely, bolts penetrate through the rotating shaft 9 and the turntable 5 and then are connected with the motor 2, so that the motor 2 and the turntable 5 are fixed on the rotating shaft 9, and the turntable 5 drives the motor 2 to rotate on a horizontal plane;
an elastic partition plate 4 is arranged between the bottom plate 6 positioned below the rotating mechanism and the base 3; specifically, the elastic partition plate 4 is a hard rubber plate, and can provide certain shock absorption and dust prevention effects;
as shown in fig. 3, the flexible limiting mechanism is disposed at one side of the motor 2 and located on the plate surface extending outward from the bottom plate 6, and specifically, the flexible limiting mechanism includes a swing rod 7, two spring seats 8, a connecting rod 11 and two springs 12; wherein,
the swing rod 7 is perpendicular to the axis of the motor 2, and the end part of one end, close to the motor 2, of the swing rod is fixed on the turntable 5 through a bolt;
the two spring seats 8 are symmetrically arranged on two sides of the swing rod 7, and a radial through hole for penetrating the connecting rod 11 is radially formed in the side wall of the swing rod 7, so that the connecting rod 11 is perpendicular to the swing rod 7, and two ends of the connecting rod 11 are respectively arranged on the two spring seats 8; two springs 12 are respectively arranged on the connecting rod 11 in a penetrating way from two ends of the connecting rod 11, one end of each spring is symmetrically pressed on the side walls of two sides of the oscillating bar 7 in a compressed state, and the other end of each spring is arranged and fixed in the spring seat 8 positioned on the adjacent side; because two sides of the swing rod 7 are respectively provided with a spring, the swing rod 7 has certain flexibility when swinging along with the turntable 5, in addition, when the connecting rod 11 is installed and fixed between the two spring seats 8, the connecting rod 11 is ensured not to be contacted with the hole wall of a radial through hole arranged on the swing rod 7, and the influence of additional force on the flexibility is avoided;
two radial through holes are symmetrically formed in each of the two spring seats 8, external connecting threads are formed in the outer walls of the two ends of the connecting rod 11, the two ends of the connecting rod 11 are respectively arranged in the radial through holes of the two spring seats 8 in a penetrating mode, the connecting rod 11 is fixed between the two spring seats 8 through two locking nuts which are connected to the end portions of the two ends of the connecting rod 11 in a threaded mode, the connecting rod 11 is prevented from slipping off the spring seats 8 in the movement process of the device, and meanwhile the compression amount of the two springs 12 is further adjusted by adjusting the positions of the locking nuts on the connecting rod 11;
in order to fix the two spring seats 8 on the bottom plate 6 and to be matched with the adjustment of the compression amount of the two springs 12, two strip-shaped through holes are further formed in the bottom plate 6 below the two spring seats 8 along the connecting line direction of the two spring seats 8, the forming positions of the two strip-shaped through holes are matched with the positions of two fastening bolts vertically arranged on each spring seat 8 respectively, so that the two fastening bolts on each spring seat 8 can be adjusted at will in the corresponding strip-shaped through holes, the two spring seats 8 can be detachably fixed on the bottom plate 6, and the spacing distance between the two spring seats 8 can be adjusted; in addition, a pressure sensing device is arranged on the side wall of the swing rod 7, which is in contact with the spring, so that the pressure value of the swing rod under the pressure of the spring can be monitored in real time.
This flexible bistrique device passes through slewing mechanism and flexible stop gear's mutually supporting, realizes when waiting to polish that machining error appears in the surface, when geometric error even, can accomplish comprehensively polishing by the error change on self-adaptation surface.
Example 2
As shown in fig. 4, the flexible grinding head device comprises a grinding mechanism, a rotating mechanism and a flexible limiting mechanism which are arranged on a base; the specific structure of each part is basically the same as that of the embodiment 1; the difference is that the turntable in embodiment 1 is replaced with a cylindrical member having a small outer diameter because the grinding head device is provided in a small space. When the top end of the cylindrical part is fixed at the center of the bottom surface of the motor, enough residual space is reserved on the bottom surface of the motor, the flexible limiting mechanism is arranged below the motor, specifically, the swing rod is arranged below the motor, and the motor is arranged and fixed above the swing rod, so that the occupied space of the whole device is reduced.
The above description is merely exemplary of the preferred embodiments of the present invention and is not intended to limit the structure of the present invention in any way. All the techniques according to the present invention, any simple modification, equivalent changes and modifications made to the above examples in essence, all belong to the scope of the technical solution of the present invention.
Claims (8)
1. A flexible grinding head device is characterized by comprising a rotating mechanism and a flexible limiting mechanism, wherein the rotating mechanism is fixedly provided with a grinding mechanism; the grinding mechanism comprises a motor (2) and a grinding head (1) arranged on an output shaft of the motor (2); the rotating mechanism is arranged at the bottom of the motor (2) to enable the motor (2) to rotate in the horizontal direction; the flexible limiting mechanism comprises a swing rod (7) connected with the rotating mechanism, two spring seats (8) symmetrically arranged on two sides of the swing rod (7), a connecting rod (11) with two ends arranged between the two spring seats (8) and two springs (12) arranged on the connecting rod (11) in a penetrating mode; a radial through hole is formed in the swing rod (7), so that the connecting rod (11) is arranged in the radial through hole in a penetrating manner, the two springs (12) are in a compressed state, one end of each spring is arranged in the spring seat (8) positioned on the adjacent side, and the other end of each spring abuts against the side walls on the two sides of the swing rod (7) respectively; the rotating mechanism and the two spring seats (8) are arranged on one bottom plate (6).
2. The flexible grinding head device according to claim 1, wherein the rotating mechanism includes a rotating connection member (5), a rotating shaft (9) and a bearing (10); the rotating shaft (9) is movably fixed in the groove of the bottom plate (6) through the bearing (10), and the rotating connecting piece (5) is fixed at the top end of the rotating shaft (9) and rotates on the horizontal plane along with the rotating shaft.
3. The flexible grinding head device according to claim 2, characterized in that the rotational connection member (5) is a turntable or a vertically disposed column member.
4. The flexible grinding head device according to claim 1, wherein a pressure sensing means is provided on a side wall of the side of the swing link (7) contacting the spring (12).
5. The flexible grinding head device according to claim 2, wherein the flexible limiting mechanism is arranged at one side of the motor (2) so that the swing link (7) is arranged perpendicular to the axis of the motor (2), and the end part adjacent to the motor (2) is fixed on the rotating connecting piece (5).
6. The flexible grinding head device according to claim 1, wherein radial through holes are symmetrically formed in the two spring seats (8), and connecting external threads are formed on the outer walls of the two ends of the connecting rod (11), so that the two ends of the connecting rod (11) are respectively inserted into the radial through holes of the two spring seats (8) and fixed between the two spring seats (8) through two lock nuts which are connected to the end parts of the two ends of the connecting rod (11) through threads;
a strip-shaped through hole is formed in the bottom plate (6) below the two spring seats (8) along the connecting line direction of the two spring seats (8), so that a fastening bolt vertically arranged on each spring seat (8) can be fixed at any position in the strip-shaped through hole, and the adjustable interval distance between the two spring seats (8) is realized.
7. A flexible grinding head device according to claim 1, characterized in that a base (3) is provided under the bottom plate (6), and an elastic partition plate (4) is provided between the bottom plate (6) and the base (3).
8. The flexible grinding head device according to claim 7, characterized in that the elastic partition plate (4) is a hard rubber plate or a composite plate formed of a hard rubber plate and a rigid plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821455341.8U CN208929985U (en) | 2018-09-06 | 2018-09-06 | Flexible grinding head device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821455341.8U CN208929985U (en) | 2018-09-06 | 2018-09-06 | Flexible grinding head device |
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| Publication Number | Publication Date |
|---|---|
| CN208929985U true CN208929985U (en) | 2019-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821455341.8U Active CN208929985U (en) | 2018-09-06 | 2018-09-06 | Flexible grinding head device |
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| CN (1) | CN208929985U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109129178A (en) * | 2018-09-06 | 2019-01-04 | 天津理工大学 | Flexible grinding head device |
| CN110624291A (en) * | 2019-10-23 | 2019-12-31 | 清远市嘉禾稀有金属有限公司 | Extraction residue filter press |
| CN112677018A (en) * | 2020-12-22 | 2021-04-20 | 李紫怡 | Precision mold polishing equipment |
-
2018
- 2018-09-06 CN CN201821455341.8U patent/CN208929985U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109129178A (en) * | 2018-09-06 | 2019-01-04 | 天津理工大学 | Flexible grinding head device |
| CN110624291A (en) * | 2019-10-23 | 2019-12-31 | 清远市嘉禾稀有金属有限公司 | Extraction residue filter press |
| CN112677018A (en) * | 2020-12-22 | 2021-04-20 | 李紫怡 | Precision mold polishing equipment |
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