CN214636935U - Grinding device with three-dimensional splayed motion trail - Google Patents
Grinding device with three-dimensional splayed motion trail Download PDFInfo
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- CN214636935U CN214636935U CN202120719727.0U CN202120719727U CN214636935U CN 214636935 U CN214636935 U CN 214636935U CN 202120719727 U CN202120719727 U CN 202120719727U CN 214636935 U CN214636935 U CN 214636935U
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- 210000004907 gland Anatomy 0.000 claims abstract description 14
- 238000009434 installation Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 description 6
- 230000035939 shock Effects 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model provides a grinder with three-dimensional splayed movement track, including motor, eccentric pivot, bearing frame subassembly, adapter subassembly and elastic element. The motor is connected with the bearing seat assembly through the eccentric rotating shaft, the adapter assembly is connected with the bearing seat assembly, and the elastic element prevents the bearing seat assembly from rotating along with the eccentric rotating shaft. When the motor rotates at a high speed, the adapter assembly and the bearing seat assembly perform three-dimensional splayed three-dimensional motion together, so that a ground sample in the grinding pipe can perform three-dimensional motion in a small size up and down direction and in a large size left and right direction, and the sample can be fully ground. The bearing seat assembly is matched with the first bearing seat and the second bearing seat, so that the position of the bearing is ensured to be stable, and the bearing is convenient to disassemble and assemble. One side of the gland of the adapter component is in clearance fit with the adapter seat through a rotating fulcrum, and the other side of the gland is locked through the second locking part to achieve the effect of compressing the grinding pipe, so that the grinding pipe is conveniently taken and placed.
Description
Technical Field
The utility model relates to an experiment auxiliary equipment, especially a grinder with three-dimensional splayed motion orbit.
Background
The existing grinding device generally realizes the linear reciprocating motion of a piston rod through the transmission of a motor rotating through a crankshaft connecting rod mechanism, so that a grinding ball is enabled to oscillate at high frequency in a grinding pipe to crush a sample, but the bearing capacity of a linear bearing at the position of the piston rod is limited, the rotating speed of a motor of the general grinding device is not more than 2000r/min, the structure is complex, the size is large, the weight is heavy, the carrying is inconvenient, and part of the sample cannot be ground to achieve an ideal effect. In addition, the bearing of the grinding device has shorter service life when being subjected to impact load for a long time compared with other parts, but the bearing of the traditional grinding device is difficult to disassemble and is inconvenient to maintain and replace.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide a grinding device with a three-dimensional splayed motion track.
In order to achieve the above object, the technical solution of the present invention is: a grinder assembly having a three-dimensional figure-of-eight motion profile, comprising:
a motor having an output shaft disposed in a horizontal state;
the eccentric rotating shaft comprises a horizontal connecting section and an inclined shaft section, the horizontal connecting section is fixedly connected with an output shaft of the motor, and the central axis of the inclined shaft section and the axis of the output shaft of the motor form an angle;
the bearing seat assembly comprises a first bearing seat, a second bearing seat and a bearing, the bearing is arranged between the first bearing seat and the second bearing seat, and the inner ring of the bearing is arranged on the periphery of the inclined shaft section of the eccentric rotating shaft;
the adapter assembly comprises an adapter seat, a grinding pipe and a gland, wherein the adapter seat is used for clamping and pressing the first bearing seat and the second bearing seat and is connected with the first bearing seat through a first locking piece in a locking manner;
the two elastic elements are respectively distributed on two sides of the output shaft of the motor, one end of each elastic element is connected to the first bearing seat or the second bearing seat, and the other end of each elastic element is connected to the base of the motor.
The utility model discloses technical scheme, the motor is connected with the bearing frame subassembly through eccentric pivot, and the adapter subassembly is connected with the bearing frame subassembly, and elastic element prevents that the bearing frame subassembly is rotatory along with eccentric pivot. When the motor rotates at a high speed, the adapter assembly and the bearing seat assembly perform three-dimensional splayed three-dimensional motion together, so that a ground sample in the grinding pipe can perform three-dimensional motion in a small size up and down direction and in a large size left and right direction, and the sample can be fully ground. The bearing seat assembly is matched with the first bearing seat and the second bearing seat, so that the position of the bearing is ensured to be stable, and the bearing is convenient to disassemble and assemble. One side of the gland of the adapter component is in clearance fit with the adapter seat through a rotating fulcrum, and the other side of the gland is locked through the second locking part to achieve the effect of compressing the grinding pipe, so that the grinding pipe is conveniently taken and placed.
Furthermore, the first bearing seat comprises a first bearing installation part and a first clamping arm part, the first bearing installation part is provided with a first bearing half chamber which is concave inwards, the second bearing seat comprises a second bearing installation part and a second clamping arm part, the second bearing installation part is provided with a second bearing half chamber which is concave inwards, the first bearing half chamber and the second bearing half chamber are oppositely arranged and combined into a bearing chamber which is used for installing and containing the bearing and limiting two end faces of the outer ring of the bearing, and the bearing is installed in the first bearing half chamber and the second bearing half chamber; the first clamping arm part and the second clamping arm part are accommodated in an opening groove at the lower part of the adapter seat.
By adopting the preferable scheme, the first bearing seat and the second bearing seat can be combined after being inserted into the adapter seat, the bearing position is ensured to be stable, the bearing does not need to be installed in an interference fit manner, and the bearing seat assembly only needs to be pulled out of the adapter seat when the bearing needs to be replaced, so that the maintenance efficiency is improved, and the reuse rate of the device is improved.
Furthermore, the periphery of the inclined shaft section of the eccentric rotating shaft is provided with a stop step surface for limiting the position of one end surface of the bearing inner ring, and the other end surface of the bearing inner ring is limited by a third locking part.
Further, the third locking part is a screw, an internal thread is arranged on the axis of the inclined shaft section, and the third locking part is locked in the thread of the inclined shaft section.
Furthermore, the third locking part is a clamping ring, a clamping groove is formed in the periphery of the inclined shaft section, and the clamping ring is clamped in the clamping groove.
Adopt above-mentioned preferred scheme, more conveniently install the bearing frame subassembly on eccentric pivot, when the transportation, only need loosen the secondary spare of third lock, can separate bearing frame subassembly and adapter subassembly and motor, practiced thrift the space.
Furthermore, a U-shaped groove with a downward opening is formed in the position, matched with the second locking part, of the press cover.
By adopting the preferable scheme, the clamping and matching of the gland and the second locking part are facilitated.
Further, the central axis of the inclined shaft section forms an angle smaller than or equal to 15 degrees with the axis of the output shaft of the motor.
Adopt above-mentioned preferred scheme, ensure that grinder keeps reasonable swing amplitude, compromise the balance of grinding effect and noise in use.
Furthermore, the motor also comprises a base, and an elastic damping piece is arranged between the base of the motor and the base.
Adopt above-mentioned preferred scheme, alleviate the vibration that transmits to the base, promote the customer and use experience.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description 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 schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a cross-sectional view of an embodiment of the present invention;
fig. 3 is a schematic structural view of an eccentric rotary shaft.
Names of corresponding parts represented by numerals and letters in the drawings:
10-a motor; 20-an eccentric rotating shaft; 201-horizontal connecting section; 202-inclined shaft section; 203-a stop step surface; 21-a third locking member; 30-a bearing housing assembly; 301-a first bearing housing; 3011-a first bearing mounting portion; 3012-a first card arm portion; 302-a second bearing seat; 3021-second bearing mount; 3022-a second card arm portion; 303-a bearing; 31-a first locking member; 40-an adapter assembly; 401-adapter seat; 402-a grinding tube; 403-gland; 4031-U-shaped groove; 404-rotation fulcrum; 405-a second locking member; 50-a resilient element; 60-a base; 70-elastic shock absorbing member.
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 efforts belong to the protection scope of the present invention.
As shown in fig. 1-2, an abrading device having a three-dimensional figure-eight motion profile, comprising:
a motor 10 having an output shaft disposed in a horizontal state;
the eccentric rotating shaft 20 comprises a horizontal connecting section 201 and an inclined shaft section 202, the horizontal connecting section 201 is fixedly connected with an output shaft of the motor 10, and the central axis of the inclined shaft section 202 and the axis of the output shaft of the motor form an angle;
a bearing housing assembly 30 including a first bearing housing 301, a second bearing housing 302, and a bearing 303, the bearing 303 being installed between the first bearing housing 301 and the second bearing housing 302, the bearing 303 being installed at an outer circumference of the inclined shaft section 202 of the eccentric rotary shaft 20 with an inner race;
the adapter assembly 40 comprises an adapter seat 401, a grinding pipe 402 and a gland 403, wherein the adapter seat 401 clamps and presses a first bearing seat 301 and a second bearing seat 302 in a clamping manner and is in locking connection through a first locking piece 31, the adapter seat 401 is provided with at least one transverse hole body for placing the grinding pipe 402, one end of the adapter seat 401, corresponding to the outer side surface of the transverse hole body, is provided with a rotating fulcrum 404, one end of the gland 403 is connected to the rotating fulcrum 404, and the gland 403 presses the grinding pipe 402 and is locked on the adapter seat 401 through a second locking piece 405;
two elastic elements 50, which are respectively distributed on two sides of the output shaft of the motor, one end of the elastic element 50 is connected to the first bearing seat 301, and the other end is connected to the base of the motor.
The beneficial effect of adopting above-mentioned technical scheme is: the motor is connected with the bearing seat assembly through the eccentric rotating shaft, the adapter assembly is connected with the bearing seat assembly, and the elastic element prevents the bearing seat assembly from rotating along with the eccentric rotating shaft. When the motor rotates at a high speed, the adapter assembly and the bearing seat assembly perform three-dimensional splayed three-dimensional motion together, so that a ground sample in the grinding pipe can perform three-dimensional motion in a small size up and down direction and in a large size left and right direction, and the sample can be fully ground. The bearing seat assembly is matched with the first bearing seat and the second bearing seat, so that the position of the bearing is ensured to be stable, and the bearing is convenient to disassemble and assemble. One side of the gland of the adapter component is in clearance fit with the adapter seat through a rotating fulcrum, and the other side of the gland is locked through the second locking part to achieve the effect of compressing the grinding pipe, so that the grinding pipe is conveniently taken and placed.
As shown in fig. 2, in other embodiments of the present invention, the first bearing seat 301 includes a first bearing mounting portion 3011 and a first arm portion 3012, the first bearing mounting portion 3011 is provided with a first bearing half-chamber with an inner recess, the second bearing seat 302 includes a second bearing mounting portion 3021 and a second arm portion 3022, the second bearing mounting portion 3021 is provided with a second bearing half-chamber with an inner recess, the first bearing half-chamber and the second bearing half-chamber are oppositely disposed and combined to form a bearing chamber for mounting and accommodating the bearing 303 and forming a limit for two end faces of the outer ring of the bearing, and the bearing 303 is mounted in the first bearing half-chamber and the second bearing half-chamber; the first 3012 and second 3022 clip arms are received in open slots in the lower portion of the adapter holder 401. The beneficial effect of adopting above-mentioned technical scheme is: the first bearing seat and the second bearing seat can be combined after being inserted into the adapter seat, the bearing is ensured to be stable in position, the bearing does not need to be installed in an interference fit mode, when the bearing needs to be replaced, the bearing seat assembly only needs to be pulled out of the adapter seat, maintenance efficiency is improved, and the repeated utilization rate of the device is improved.
As shown in fig. 2 and 3, in other embodiments of the present invention, the inclined shaft section 202 of the eccentric rotating shaft has a stop step surface 203 for limiting the position of one end surface of the inner ring of the bearing 303, and the other end surface of the inner ring of the bearing is limited by the third locking member 21. The beneficial effect of adopting above-mentioned technical scheme is: the bearing seat assembly is more conveniently installed on the eccentric rotating shaft, and the bearing seat assembly, the adapter assembly and the motor can be separated only by loosening the third locking part during transportation, so that the space is saved.
In other embodiments of the present invention, the third locking member 21 is a screw, the axis of the inclined shaft section 202 is provided with an internal thread, and the third locking member 21 is locked in the thread of the inclined shaft section 202.
In other embodiments of the present invention, the third locking member is a snap ring, the inclined shaft section is provided with a groove at its periphery, and the snap ring is locked in the groove.
In other embodiments of the present invention, as shown in fig. 1, a downwardly opening U-shaped slot 4031 is provided in the gland 403 where it engages the second locking member. The beneficial effect of adopting above-mentioned technical scheme is: the clamping fit of the gland and the second locking part is facilitated.
In other embodiments of the present invention, as shown in fig. 3, the central axis of the inclined shaft section 202 forms an angle α with the motor output shaft axis of less than or equal to 15 °. The beneficial effect of adopting above-mentioned technical scheme is: ensure that the grinding device keeps reasonable swing amplitude and balance grinding effect and use noise.
As shown in fig. 1, in other embodiments of the present invention, the present invention further includes a base 60, and an elastic shock absorbing member 70 is installed between the base of the motor 10 and the base 60, and the elastic shock absorbing member is not limited in specific form, and may be a damping device, a pressure spring, or a rubber member. The beneficial effect of adopting above-mentioned technical scheme is: alleviate the vibration that transmits the base, promote the customer and use experience.
The above embodiments are only for illustrating the technical conception and the features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and the protection scope of the present invention can not be limited thereby, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.
Claims (8)
1. A grinding device with a three-dimensional splayed motion track is characterized by comprising:
a motor having an output shaft disposed in a horizontal state;
the eccentric rotating shaft comprises a horizontal connecting section and an inclined shaft section, the horizontal connecting section is fixedly connected with an output shaft of the motor, and the central axis of the inclined shaft section and the axis of the output shaft of the motor form an angle;
the bearing seat assembly comprises a first bearing seat, a second bearing seat and a bearing, the bearing is arranged between the first bearing seat and the second bearing seat, and the inner ring of the bearing is arranged on the periphery of the inclined shaft section of the eccentric rotating shaft;
the adapter assembly comprises an adapter seat, a grinding pipe and a gland, wherein the adapter seat is used for clamping and pressing the first bearing seat and the second bearing seat and is connected with the first bearing seat through a first locking piece in a locking manner;
the two elastic elements are respectively distributed on two sides of the output shaft of the motor, one end of each elastic element is connected to the first bearing seat or the second bearing seat, and the other end of each elastic element is connected to the base of the motor.
2. The grinding device with the three-dimensional splayed motion trail according to claim 1, wherein the first bearing seat comprises a first bearing installation part and a first clamping arm part, the first bearing installation part is provided with a first bearing half chamber which is concave inwards, the second bearing seat comprises a second bearing installation part and a second clamping arm part, the second bearing installation part is provided with a second bearing half chamber which is concave inwards, the first bearing half chamber and the second bearing half chamber are oppositely arranged and combined into a bearing chamber which is used for installing and containing the bearing and limiting two end surfaces of the outer ring of the bearing, and the bearing is installed in the first bearing half chamber and the second bearing half chamber; the first clamping arm part and the second clamping arm part are accommodated in an opening groove at the lower part of the adapter seat.
3. The grinding device with the three-dimensional splayed motion trail according to claim 1, wherein the inclined shaft section of the eccentric rotating shaft is provided with a stop step surface for limiting the position of one end surface of the bearing inner ring, and the other end surface of the bearing inner ring is limited by a third locking part.
4. The grinding device with the three-dimensional splayed motion track according to claim 3, wherein the third locking part is a screw, the inclined shaft section is provided with an internal thread at the axis, and the third locking part is locked in the thread of the inclined shaft section.
5. The grinding device with the three-dimensional splayed motion trail according to claim 3, wherein the third locking member is a clamping ring, a clamping groove is arranged on the periphery of the inclined shaft section, and the clamping ring is clamped in the clamping groove.
6. The abrading apparatus having a three-dimensional figure-eight motion profile as defined in claim 1, wherein the platen is provided with a downwardly opening U-shaped slot at a location where the platen cooperates with the second locking member.
7. The abrading device of claim 1, wherein the central axis of the angled shaft segment is at an angle of less than or equal to 15 ° to the motor output shaft axis.
8. The grinding apparatus with three-dimensional figure-eight motion trail according to claim 1, further comprising a base, wherein an elastic shock-absorbing member is installed between the base of the motor and the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120719727.0U CN214636935U (en) | 2021-04-09 | 2021-04-09 | Grinding device with three-dimensional splayed motion trail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120719727.0U CN214636935U (en) | 2021-04-09 | 2021-04-09 | Grinding device with three-dimensional splayed motion trail |
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| Publication Number | Publication Date |
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| CN214636935U true CN214636935U (en) | 2021-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120719727.0U Active CN214636935U (en) | 2021-04-09 | 2021-04-09 | Grinding device with three-dimensional splayed motion trail |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112934382A (en) * | 2021-04-09 | 2021-06-11 | 拓赫机电科技(上海)有限公司 | Grinding device with three-dimensional splayed motion trail |
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2021
- 2021-04-09 CN CN202120719727.0U patent/CN214636935U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112934382A (en) * | 2021-04-09 | 2021-06-11 | 拓赫机电科技(上海)有限公司 | Grinding device with three-dimensional splayed motion trail |
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