CN209954310U - Vibration reduction mechanism for electric spindle - Google Patents
Vibration reduction mechanism for electric spindle Download PDFInfo
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- CN209954310U CN209954310U CN201920904393.7U CN201920904393U CN209954310U CN 209954310 U CN209954310 U CN 209954310U CN 201920904393 U CN201920904393 U CN 201920904393U CN 209954310 U CN209954310 U CN 209954310U
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- electric spindle
- damping ring
- main shaft
- vibration
- vibration damping
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Abstract
The utility model discloses a damping mechanism for electricity main shaft relates to electricity main shaft field, and this damping mechanism includes a plurality of settings at the outside installation position of electricity main shaft, the damping ring has been cup jointed on the installation position, the external connection of electricity main shaft has the aircraft nose case, the aircraft nose case all is provided with connecting portion with every installation position correspondence part, connecting portion pass through the damping ring and are connected with electricity main shaft. When the electric spindle generates vibration deflection, the vibration of the electric spindle needs to be conducted to the machine head box through the vibration damping ring, and the vibration damping ring is made of a vibration damping material, so that the vibration damping ring has a good vibration damping function, can absorb the vibration of the electric spindle, can block the resonance between the electric spindle and the machine head box, and can well avoid the resonance between the electric spindle and the machine head box.
Description
Technical Field
The utility model relates to an electricity main shaft field, concretely relates to a damping mechanism for electricity main shaft.
Background
The electric main shaft integrates a machine tool main shaft and a main shaft motor into a whole and is used for replacing belt wheel transmission and gear transmission in a traditional machine tool main transmission system, the electric main shaft directly drives the main shaft to run through a built-in motor, zero transmission of a machine tool is achieved, when the electric main shaft is used, a machining cutter is usually connected to the bottom of the electric main shaft, and parts are machined through the cutter.
In the working process of the electric spindle, due to high-speed rotation, the electric spindle can generate slight vibration, the vibration frequency of the electric spindle and the vibration frequency of the machine head box are equal or close to each other, resonance can be generated, the electric spindle can drive a machining cutter connected to the electric spindle to swing once resonated, and then cutter marks appear on the surface of a part machined by the cutter, machining precision is affected, and the machining requirement of the part cannot be met.
In order to reduce the resonance of the electric spindle, the structure and the material of a spindle box body are mainly improved continuously at present, or a vibration absorbing material is covered on the surface of the spindle box body, and usually a better vibration absorbing material or a better vibration absorbing structure can be selected through multiple experimental tests.
SUMMERY OF THE UTILITY MODEL
To the defect that exists among the prior art, the utility model aims to provide a damping mechanism for electric main shaft can be used for the main shaft of different models, has better damping effect.
In order to achieve the above purpose, the utility model adopts the technical proposal that:
the utility model provides a damping mechanism for electricity main shaft, includes a plurality of settings at the outside installation position of electricity main shaft, the damping ring has been cup jointed on the installation position, the external connection of electricity main shaft has the aircraft nose case, the aircraft nose case all is provided with connecting portion with every installation position correspondence, connecting portion pass through the damping ring and are connected with electricity main shaft.
Further, a spindle flange is arranged at the lower part of the electric spindle.
Further, the handpiece box is wrapped outside the electric spindle, and the wrapping area is greater than 1/4 of the surface area of the electric spindle.
Further, the outside of electricity main shaft is provided with two installation positions: the electric spindle comprises a first installation position and a second installation position, wherein the first installation position is located on the upper portion of the electric spindle, and the second installation position is located above a spindle flange.
Furthermore, an L-shaped connecting groove is formed in the position, corresponding to the shock absorption ring of the first installation position, of the nose box, the shock absorption ring is connected with the nose box through a pressing plate, and the pressing plate is fixed to the top of the nose box and tightly pressed on the corresponding shock absorption ring.
Furthermore, the pressing plate is connected with the nose box through a first bolt, and the first bolt abuts against the outer side of the damping ring of the first installation position.
Furthermore, an annular connecting groove is formed in the machine head box corresponding to the damping ring of the second installation position, and the damping ring is clamped in the annular connecting groove.
Further, the spindle flange is fixed through a second bolt, and the second bolt abuts against the outer portion of the damping ring of the second mounting position.
Compared with the prior art, the utility model has the advantages of:
(1) the utility model discloses a damping mechanism for electric spindle, including a plurality of installation positions that set up in the electricity main shaft outside, the damping ring has been cup jointed on the installation position, the outside of electricity main shaft is connected with the aircraft nose case, the aircraft nose case wraps around the outside of electricity main shaft, aircraft nose case all is provided with the connecting portion with every installation position correspondence, the connecting portion is connected with the electricity main shaft through the damping ring, when the electricity main shaft takes place the vibration beat, the vibration of electricity main shaft needs to be conducted to the aircraft nose case again through the damping ring, because the damping ring itself adopts damping material to make, have better shock-absorbing function, can absorb the vibration of electricity main shaft, can also obstruct the resonance of electricity main shaft and aircraft nose case simultaneously, can be better avoid the electricity main shaft to produce resonance with the aircraft nose case, simultaneously, when using, only need to select the damping ring that the size is suitable according to the external diameter of electricity main shaft can, with the main shaft to specific model of current damping material and structure, the commonality is relatively poor, will carry out the transformation and the test of structure and material again to the main shaft of different models, and development cycle is longer, and the cost is higher to be compared, the utility model discloses use the damping ring to have better commonality, and the cost is lower.
Drawings
Fig. 1 is a schematic structural diagram of a damping mechanism for an electric spindle according to an embodiment of the present invention.
In the figure: 1-electric spindle, 2-installation position, 21-first installation position, 22-second installation position, 3-damping ring, 4-machine head box, 5-connecting part, 6-spindle flange, 7-L-shaped connecting groove, 8-pressing plate, 9-first bolt, 10-annular connecting groove and 11-second bolt.
Detailed Description
The embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
Referring to fig. 1, the embodiment of the utility model provides a damping mechanism for electric spindle, including a plurality of settings at the outside installation position 2 of electric spindle 1, cup jointed damping ring 3 on installation position 2, the external connection of electric spindle 1 has locomotive case 4, locomotive case 4 wraps around the outside at electric spindle 1, and the cladding area is greater than 1/4 of electric spindle 1 surface area, and the lower part of electric spindle 1 is provided with spindle flange 6, and locomotive case 4 all is provided with connecting portion 5 with every installation position 2 correspondence, and connecting portion 5 passes through damping ring 3 and is connected with electric spindle 1.
The embodiment of the utility model provides an in the outside of electricity main shaft 1 be provided with two installation positions 2: first installation position 21, second installation position 22, first installation position 21 is located the upper portion of electric main shaft 1, second installation position 22 is located the top of spindle flange 6, in the in-service use, installation position 2 and 3 quantity of damping ring that correspond can set up according to actual need, can be 3, 4 or other quantity, the quantity is more, the effect is better, use two in this embodiment and can reach better damping effect, installation position 2 can be the locating part of two relative settings, there is certain space between the locating part, damping ring 3 is fixed in this space.
The head box 4 is provided with an L-shaped connecting groove 7 corresponding to the damping ring 3 of the first mounting position 21, the damping ring 3 is connected with the head box 4 through a pressing plate 8, the pressing plate 8 is fixed at the top of the head box 4 and tightly pressed on the corresponding damping ring 3, the pressing plate 8 is fixed with the head box 4 through a first bolt 9, and the first bolt 9 abuts against the outside of the damping ring 3 of the first mounting position 21.
The head box 4 is provided with an annular connecting groove 10 corresponding to the damping ring 3 of the second mounting position 22, the damping ring 3 is clamped in the annular connecting groove 10, the damping ring 3 is located above the spindle flange 6, the spindle flange 6 is fixed through a second bolt 11, and the second bolt 11 abuts against the outside of the damping ring 3 of the second mounting position 22.
The connecting portion 5 in this embodiment corresponds to the L-shaped connecting groove 7(+ pressing plate 8) and the annular connecting groove 10, and when the number of the damping rings 3 is large, the annular connecting groove 10 can be used as the connecting portion 5, and the inner diameter of the damping ring 3 is larger than the inner diameter of the annular connecting groove 10.
The present invention is not limited to the above preferred embodiments, and any person can obtain other products in various forms without departing from the scope of the present invention, but any change in shape or structure is within the scope of protection.
Claims (8)
1. A vibration damping mechanism for an electric spindle, characterized in that: the electric spindle is characterized by comprising a plurality of installation positions (2) arranged outside an electric spindle (1), wherein a damping ring (3) is sleeved on each installation position (2), the outside of the electric spindle (1) is connected with a headstock (4), a connecting part (5) is arranged at the corresponding part of each headstock (4) and each installation position (2), and each connecting part (5) is connected with the electric spindle (1) through the damping ring (3).
2. A vibration damping mechanism for an electric spindle according to claim 1, wherein: the lower part of the electric spindle (1) is provided with a spindle flange (6).
3. A vibration damping mechanism for an electric spindle according to claim 2, wherein: the head box (4) is wrapped outside the electric spindle (1) and wraps 1/4 with the area larger than the surface area of the electric spindle (1).
4. A vibration damping mechanism for an electric spindle according to claim 3, wherein: the electric spindle (1) is externally provided with two mounting positions (2): the electric spindle comprises a first mounting position (21) and a second mounting position (22), wherein the first mounting position (21) is located at the upper part of the electric spindle (1), and the second mounting position (22) is located above a spindle flange (6).
5. A vibration damping mechanism for an electric spindle according to claim 4, wherein: the machine head box (4) is provided with an L-shaped connecting groove (7) corresponding to the damping ring (3) of the first mounting position (21), the damping ring (3) is connected with the machine head box (4) through a pressing plate (8), and the pressing plate (8) is fixed at the top of the machine head box (4) and tightly pressed on the corresponding damping ring (3).
6. A vibration damping mechanism for an electric spindle according to claim 5, wherein: the pressing plate (8) is connected with the nose box (4) through a first bolt (9), and the first bolt (9) abuts against the outer side of the damping ring (3) of the first mounting position (21).
7. A vibration damping mechanism for an electric spindle according to claim 4, wherein: the machine head box (4) is provided with an annular connecting groove (10) corresponding to the damping ring (3) of the second mounting position (22), and the damping ring (3) is clamped in the annular connecting groove (10).
8. A vibration damping mechanism for an electric spindle according to claim 7, wherein: the spindle flange (6) is fixed through a second bolt (11), and the second bolt (11) abuts against the outer portion of the damping ring (3) of the second mounting position (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920904393.7U CN209954310U (en) | 2019-06-14 | 2019-06-14 | Vibration reduction mechanism for electric spindle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920904393.7U CN209954310U (en) | 2019-06-14 | 2019-06-14 | Vibration reduction mechanism for electric spindle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209954310U true CN209954310U (en) | 2020-01-17 |
Family
ID=69247914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920904393.7U Active CN209954310U (en) | 2019-06-14 | 2019-06-14 | Vibration reduction mechanism for electric spindle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209954310U (en) |
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2019
- 2019-06-14 CN CN201920904393.7U patent/CN209954310U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A damping mechanism for electric spindle Effective date of registration: 20230316 Granted publication date: 20200117 Pledgee: Bank of China Limited Huangshi Branch Pledgor: Hubei Baoke Intelligent Equipment Co.,Ltd. Registration number: Y2023420000105 |