CN216327030U - Motor dismounting device and filament cutter grinding wheel sharpener using same - Google Patents
Motor dismounting device and filament cutter grinding wheel sharpener using same Download PDFInfo
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- CN216327030U CN216327030U CN202122629451.XU CN202122629451U CN216327030U CN 216327030 U CN216327030 U CN 216327030U CN 202122629451 U CN202122629451 U CN 202122629451U CN 216327030 U CN216327030 U CN 216327030U
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Abstract
The utility model discloses a motor dismounting device and a filament cutter grinding wheel sharpener using the same, wherein the dismounting device comprises a dismounting bracket and an ejector rod, the dismounting bracket is provided with at least one fastening screw hole, a fastening screw is arranged in the fastening screw hole, and the fastening screw is used for fixing the dismounting bracket and a transmission shaft of a motor; the middle position of the disassembling support is also provided with a disassembling hole, the disassembling hole is provided with an internal thread, the ejector rod is provided with an external thread corresponding to the disassembling hole, and the ejector rod can penetrate through the disassembling hole and extend into a transmission shaft of the motor so as to enable the ejector rod to eject the motor out of the transmission shaft; the side wall of the dismounting support is also provided with at least one support rod extending downwards, the end part of the support rod is provided with a limit screw, and the limit screw is used for fixing the dismounting support and the ground. The motor dismounting device is simple in structure, can quickly and effectively dismount the transmission shaft and the motor, and can enable the motor and the transmission shaft to be coaxial all the time in the dismounting process so as to avoid damage to the motor or the transmission shaft.
Description
Technical Field
The utility model relates to the technical field of motor disassembly and assembly, in particular to a motor disassembling device and a filament cutter grinding wheel sharpener using the same.
Background
Filament cutter emery wheel sharpener final drive motor belongs to high speed motor, and after long-time operation, the internal clearance increase behind the emery wheel sharpener final drive bearing wearing and tearing to make whole knife sharpening portion group vibrations, noise too big, seriously influence the in-process quality, there is the potential safety hazard simultaneously, need regularly maintain the change, at this moment need dismantle the decomposition to the sharpener. In the dismantlement process, because reasons such as motor shaft corrosion, card are dead cause the motor to be difficult to pull down, including the motor housing material is cast aluminium spare, easily causes motor flange during the dismantlement to break to make the unable normal use of motor. Meanwhile, the whole disassembly and disassembly process consumes time and labor, and the maintenance efficiency of equipment is influenced.
Therefore, how to provide a device which has a simple structure and can rapidly and effectively disassemble the transmission shaft and the motor becomes a technical problem which needs to be solved urgently in the field.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a motor dismounting device and a filament cutter grinding wheel sharpener using the same, which are simple in structure, can quickly and effectively dismount a transmission shaft and a motor, and can enable the motor and the transmission shaft to be coaxial all the time in the dismounting process so as to avoid damage to the motor or the transmission shaft.
According to one aspect of the utility model, the motor dismounting device comprises a dismounting bracket and an ejector rod, wherein the dismounting bracket is provided with at least one fastening screw hole, a fastening screw is arranged in the fastening screw hole, and the fastening screw is used for fixing the dismounting bracket and a transmission shaft of a motor; the middle position of the disassembling support is also provided with a disassembling hole, an internal thread is arranged on the disassembling hole, an external thread corresponding to the disassembling hole is arranged on the ejector rod, and the ejector rod can penetrate through the disassembling hole and extend into a transmission shaft of the motor, so that the ejector rod can eject the motor out of the transmission shaft;
the side wall of the disassembling support is also provided with at least one support rod extending downwards, the end part of the support rod is provided with a limiting hole, a limiting screw is arranged in the limiting hole, and the limiting screw is used for fixing the disassembling support with the ground or other immovable objects.
Optionally, according to the motor dismounting device of the present invention, the number of the fastening screw holes is three, and the fastening screw holes are distributed on the dismounting bracket in an annular array with a center of a circle of the dismounting hole as a center.
Optionally, according to the motor dismounting device of the present invention, the number of the support rods is two, and the two support rods are symmetrically disposed on the side wall of the dismounting bracket, and the two support rods use the center line of the dismounting bracket as a symmetry line.
Optionally, according to the motor dismounting device provided by the utility model, a handle mounting seat is further arranged on the side wall of the dismounting bracket, and a supporting handle is connected to the handle mounting seat in a threaded manner.
Optionally, according to the motor dismounting device of the present invention, one end of the ejector rod extending into the transmission shaft is provided with an arc ejector, and the other end of the ejector rod is provided with a dismounting portion, and the dismounting portion is matched with a dismounting tool.
According to another aspect of the utility model, there is also provided a shredder grinding wheel sharpener, comprising a motor, a transmission shaft and a motor dismounting device used in any one of the above embodiments to realize the dismounting of the motor;
an ejection channel is arranged at the center of the transmission shaft, and an output shaft of the motor extends into the ejection channel of the transmission shaft so as to connect the motor with the transmission shaft; the end face, far away from the motor, of the transmission shaft is provided with at least one butt joint hole, the butt joint hole corresponds to the fastening screw hole, and the fastening screw connects the transmission shaft with the dismounting bracket; the ejector rod can extend into the ejection channel and abut against an output shaft of the motor.
Optionally, the shredder grinding wheel sharpener further comprises a motor support frame, a connecting hole is formed in the end face, close to the output shaft, of the motor, and the motor support frame is connected with the connecting hole through a bolt, so that the motor is fixed on the motor support frame;
the motor support frame is further provided with a movable revolving body, the transmission shaft is sleeved in the movable revolving body, and a plurality of rolling bearings are arranged between the outer side surface of the transmission shaft and the movable revolving body.
Optionally, according to the shredder grinding wheel sharpener of the present invention, the number of the rolling bearings is two, and the two rolling bearings are respectively disposed at two ends of the inner side of the movable revolving body.
Optionally, according to the shredder grinding wheel sharpener of the present invention, the two ends of the movable revolving body are further connected with sealing plates through bolts, and the sealing plates fix the two rolling bearings in the movable revolving body.
Optionally, according to the filament cutter grinding wheel sharpener disclosed by the utility model, a transmission thread is further arranged at one end of the ejection channel, which is far away from the motor, and the transmission thread is matched with the external thread on the ejector rod.
The motor dismounting device and the filament cutter grinding wheel sharpener using the same disclosed by the utility model have the advantages that the structure is simple, the transmission shaft and the motor can be quickly and effectively dismounted, and the motor and the transmission shaft can be coaxial all the time in the dismounting process, so that the motor or the transmission shaft is prevented from being damaged. The transmission shaft is fixed through the support rod and the fastening screw on the dismounting support, and then the ejector rod is gradually ejected out of the transmission shaft by the ejector rod by utilizing the gradual relation of threaded connection of the ejector rod and the dismounting support, so that the dismounting between the motor and the transmission shaft is completed.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description, serve to explain the principles of the utility model.
Fig. 1 is a schematic structural diagram of a motor dismounting device disclosed in the present invention;
FIG. 2 is a schematic structural diagram of the ejector pin disclosed in the present invention;
FIG. 3 is a schematic view of the motor dismounting device and the motor according to the present invention;
FIG. 4 is an exploded view of FIG. 3 in accordance with the present invention;
FIG. 5 is a cross-sectional view of FIG. 3 of the present invention;
fig. 6 is a schematic structural view of a transmission shaft disclosed in the present invention.
Description of reference numerals: 10-disassembling the bracket; 101-a handle mount; 102-fastening screw holes; 103-a disassembly hole; 104-a limit screw hole; 11-a support bar; 12-a top rod; 121-arc tip; 122-a detachment portion; 13-a support handle; 14-a limit screw; 15-a fastening screw;
20-a motor; 21-a transmission shaft; 211-docking holes; 212-an ejection channel; 213-transfer threads; 22-a motor support frame; 23-moving the gyrosome; 24-rolling bearings; 25-sealing plate.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the utility model, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
According to fig. 1 to 6, the present invention provides a motor dismounting device, which comprises a dismounting bracket 10 and a top rod 12, wherein the dismounting bracket 10 is provided with at least one fastening screw hole 102, a fastening screw 15 is arranged in the fastening screw hole 102, and the fastening screw 15 is used for fixing the dismounting bracket 10 and a transmission shaft 21 of a motor 20; the middle position of the disassembling bracket 10 is also provided with a disassembling hole 103, the disassembling hole 103 is provided with an internal thread, the top rod 12 is provided with an external thread corresponding to the disassembling hole 103, the top rod 12 can pass through the disassembling hole 103 and extend into the transmission shaft 21 of the motor 20, so that the top rod 12 can eject the motor 20 out of the transmission shaft 21;
the side wall of the disassembling support 10 is also provided with at least one support rod 11 extending downwards, the end part of the support rod 11 is provided with a limit screw hole 104, a limit screw 14 is arranged in the limit screw hole 104, and the limit screw 14 is used for fixing the disassembling support 10 with the ground or other immovable objects.
In practice, the transmission shaft 21 is fixed by the support rod 11 and the fastening screw 15 on the detaching bracket 10, and then the ejector rod 12 gradually ejects the output shaft of the motor 20 out of the transmission shaft 21 by utilizing the progressive relationship of the threaded connection of the ejector rod 12 and the detaching bracket 10, so that the detachment between the motor 20 and the transmission shaft 21 is completed.
Furthermore, the number of the fastening screw holes 102 is three, and the fastening screw holes are annularly distributed on the dismounting bracket 10 in an aligned manner by taking the circle center of the dismounting hole 103 as the center, so that the connection strength between the dismounting bracket 10 and the transmission shaft 21 is effectively improved.
Furthermore, the quantity of bracing piece 11 is two, and the symmetry sets up on the lateral wall of dismantling support 10, and two bracing pieces 11 use the central line of dismantling support 10 as the symmetrical line, can effectively promote the joint strength who dismantles between support 10 and ground or other immovable, and when avoiding ejector pin 12 to rotate, single bracing piece 11 can't reach the restriction and dismantle support 10 pivoted intensity.
Further, the side wall of the detachable support 10 is further provided with a handle mounting seat 101, the handle mounting seat 101 is in threaded connection with a supporting handle 13, and the effect of limiting the rotation of the transmission shaft 21 is further achieved through the supporting handle 13.
Furthermore, one end of the ejector rod 12 extending into the transmission shaft 21 is provided with an arc-shaped top 121, the other end is provided with a detaching part 122, and the detaching part 122 is matched with a disassembling tool. In implementation, the detaching portion 122 may be an outer hexagonal nut, an inner hexagonal nut, or other non-cylindrical structure, and the arc-shaped top 121 may effectively prevent the top rod 12 from damaging the motor 20.
Referring to fig. 3 to 6, the present invention further provides a filament cutter grinding wheel sharpener, which comprises a motor 20, a transmission shaft 21 and a motor dismounting device used in any of the above embodiments to realize the dismounting of the motor 20.
An ejection channel 212 is arranged at the center of the transmission shaft 21, and an output shaft of the motor 20 extends into the ejection channel 212 of the transmission shaft 21, so that the motor 20 is connected with the transmission shaft 21; the end surface of the transmission shaft 21 far away from the motor 20 is provided with at least one butt joint hole 211, the butt joint hole 211 corresponds to the fastening screw hole 102, and the fastening screw 15 connects the transmission shaft 21 with the dismounting bracket 10; the ejector rod 12 can extend into the ejection channel 212 and abut against the output shaft of the motor 20.
In practice, the butt holes 211 on the transmission shaft 21 correspond to the fastening screw holes 102 on the detachable bracket 10 one by one, and then the detachable bracket 10 and the transmission shaft 21 are fixedly connected by the fastening screws 15, so as to prevent the transmission shaft 21 from rotating along with the motor 20 when the ejector rod 12 ejects the motor 20.
Further, the motor support frame 22 is further included, a connecting hole is formed in the end face, close to the output shaft, of the motor 20, and the motor support frame 22 is connected with the connecting hole through a bolt, so that the motor 20 is fixed on the motor support frame 22; the motor support frame 22 is further provided with a movable revolving body 23, the transmission shaft 21 is sleeved in the movable revolving body 23, and a plurality of rolling bearings 24 are arranged between the outer side surface of the transmission shaft 21 and the movable revolving body 23. The rolling bearing 24 facilitates the rotation of the transmission shaft 21 driven by the motor 20 by moving the revolution body 23 to protect the transmission shaft 21. When the motor is disassembled, the bolt between the motor support frame 22 and the motor 20 is disassembled.
Still further, the number of the rolling bearings 24 is two, and the rolling bearings are respectively disposed at two ends of the inner side of the movable revolving body 23, so as to improve the rotation performance between the transmission shaft 21 and the movable revolving body 23.
Further, sealing plates 25 are connected to both ends of the movable rotating body 23 by bolts, and the sealing plates 25 fix the two rolling bearings 24 in the movable rotating body 23.
Further, a transmission thread 213 is further disposed at an end of the ejection channel 212 away from the motor 20, and the transmission thread 213 is matched with the external thread on the top rod 12. In the implementation, the mandril 12 is connected with the transmission shaft 21 through threads, and the transmission shaft 21 is fixedly connected with the mandril. Therefore, the ejector rod 12 can eject the motor 20 out of the transmission shaft 21 under the dual function of detaching the bracket 10 and the transmission shaft 21.
Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustrative purposes only and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the utility model. The scope of the utility model is defined by the appended claims.
Claims (10)
1. A motor dismounting device is characterized by comprising a dismounting bracket and an ejector rod, wherein the dismounting bracket is provided with at least one fastening screw hole, a fastening screw is arranged in the fastening screw hole, and the fastening screw is used for fixing the dismounting bracket and a transmission shaft of a motor; the middle position of the disassembling support is also provided with a disassembling hole, an internal thread is arranged on the disassembling hole, an external thread corresponding to the disassembling hole is arranged on the ejector rod, and the ejector rod can penetrate through the disassembling hole and extend into a transmission shaft of the motor, so that the ejector rod can eject the motor out of the transmission shaft;
the side wall of the disassembling support is also provided with at least one support rod extending downwards, the end part of the support rod is provided with a limiting hole, a limiting screw is arranged in the limiting hole, and the limiting screw is used for fixing the disassembling support with the ground or other immovable objects.
2. The motor dismounting device according to claim 1, wherein the number of the fastening screw holes is three, and the fastening screw holes are annularly and integrally distributed on the dismounting bracket by taking the center of the dismounting hole as a center.
3. The motor dismounting device according to claim 1, wherein the number of the support rods is two, the two support rods are symmetrically arranged on the side wall of the dismounting bracket, and the two support rods are symmetrical about a central line of the dismounting bracket.
4. The motor dismounting device according to claim 1, wherein a handle mounting seat is further provided on the side wall of the dismounting bracket, and a support handle is screwed on the handle mounting seat.
5. The motor dismounting device according to claim 1, wherein one end of the ejector rod extending into the transmission shaft is provided with an arc ejector head, the other end of the ejector rod is provided with a dismounting portion, and the dismounting portion is matched with a dismounting tool.
6. A shredder grinding wheel sharpener comprising a motor, a drive shaft and a motor removal device according to any one of claims 1 to 5 for effecting motor removal;
an ejection channel is arranged at the center of the transmission shaft, and an output shaft of the motor extends into the ejection channel of the transmission shaft so as to connect the motor with the transmission shaft; the end face, far away from the motor, of the transmission shaft is provided with at least one butt joint hole, the butt joint hole corresponds to the fastening screw hole, and the fastening screw connects the transmission shaft with the dismounting bracket; the ejector rod can extend into the ejection channel and abut against an output shaft of the motor.
7. The filament cutter grinding wheel sharpener of claim 6, further comprising a motor support frame, wherein a connecting hole is formed in an end surface of the motor close to the output shaft, and the motor support frame is connected with the connecting hole through a bolt, so that the motor is fixed on the motor support frame;
the motor support frame is further provided with a movable revolving body, the transmission shaft is sleeved in the movable revolving body, and a plurality of rolling bearings are arranged between the outer side surface of the transmission shaft and the movable revolving body.
8. The sharpener of claim 7, wherein said rolling bearings are two in number and are respectively disposed at both ends of the inner side of said movable revolution body.
9. The sharpener of claim 8 wherein said movable swivel body is further bolted at both ends to sealing plates that secure two rolling bearings within said movable swivel body.
10. The sharpener of claim 6 wherein said ejection channel is further provided with a transfer thread at an end remote from said motor, said transfer thread mating with an external thread on said post rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122629451.XU CN216327030U (en) | 2021-10-30 | 2021-10-30 | Motor dismounting device and filament cutter grinding wheel sharpener using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122629451.XU CN216327030U (en) | 2021-10-30 | 2021-10-30 | Motor dismounting device and filament cutter grinding wheel sharpener using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216327030U true CN216327030U (en) | 2022-04-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122629451.XU Active CN216327030U (en) | 2021-10-30 | 2021-10-30 | Motor dismounting device and filament cutter grinding wheel sharpener using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216327030U (en) |
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2021
- 2021-10-30 CN CN202122629451.XU patent/CN216327030U/en active Active
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