CN215845748U - Main shaft structure of numerical control machine tool - Google Patents
Main shaft structure of numerical control machine tool Download PDFInfo
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- CN215845748U CN215845748U CN202122137816.7U CN202122137816U CN215845748U CN 215845748 U CN215845748 U CN 215845748U CN 202122137816 U CN202122137816 U CN 202122137816U CN 215845748 U CN215845748 U CN 215845748U
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Abstract
The utility model discloses a spindle structure of a numerical control machine tool, which comprises a spindle body, wherein a heat dissipation assembly is arranged on the outer side of the spindle body, the heat dissipation assembly comprises a box body, a first piston, a second piston and a first magnetic part, a cooling area is arranged in the box body, a heat dissipation area is arranged below the cooling area, the first piston is arranged in the cooling area, the second piston is arranged in the heat dissipation area, a first through hole and a second through hole are arranged between the heat dissipation area and the cooling area, the first magnetic part is arranged in the heat dissipation area, and the first magnetic part is connected with the second piston. Set up the cooling space that is used for the main shaft in the box and set up first magnetic part in first cavity, screw nut cooperation first piston and second piston realize the coolant liquid exchange in cooling space and the heat dissipation district, under the condition of the main shaft has been surrounded in the cooling space, the cooling effect is better, and the life-span of extension main shaft under the condition of energy saving, through the rotating assembly on first temperature detect switch, second temperature detect switch and the support frame, cooperation first gyro wheel and second gyro wheel realize exchanging the coolant liquid at any time.
Description
Technical Field
The utility model relates to the technical field of numerical control machines, in particular to a spindle structure of a numerical control machine.
Background
The main shaft of the numerical control machine tool is used for driving a workpiece or a cutter to rotate on the machine tool, generally, a main shaft structure is formed by the main shaft, a bearing, a transmission part and the like, meanwhile, one side of the main shaft is matched with the transmission structure in the machine to rotate, the other side of the main shaft of the machine tool can be used for clamping the workpiece, and in the process of high-speed rotation speed, the service life of the main shaft is shortened due to heat generated by rotation and air friction at the outer side of the main shaft.
However, most of the heat dissipation of machine tool spindles in the market is performed by flowing water, a large amount of flowing water inevitably causes different contact areas, namely uneven heat dissipation, and the heat dissipation and cooling effects on the spindles are not obvious, so that a spindle structure of a numerical control machine tool is provided to solve the problems in the background art.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides a spindle structure of a numerical control machine tool.
In order to solve the technical problems, the utility model is solved by the following technical scheme: the utility model provides a digit control machine tool spindle structure includes main shaft body, the outside of main part sets up radiator unit, radiator unit includes box, first piston, second piston and first magnetic part, set up the cooling zone in the box the cooling zone below sets up the radiating zone, set up first piston in the cooling zone, set up the second piston in the radiating zone, set up first through-hole and second through-hole between radiating zone and the cooling zone set up first magnetic part in the radiating zone, first magnetic part with the second piston is connected.
In the above scheme, preferably, a second magnetic member is arranged below the first magnetic member, a screw rod and a nut are arranged below the second magnetic member, the nut is connected with the screw rod, the screw rod is arranged below the heat dissipation area, and after the screw rod is rotated, the nut drives the second magnetic member and the first piston to move.
In the above scheme, preferably, one end of the screw rod is provided with a first roller, a support frame is arranged between the first roller and the main body, the support frame is provided with a first sliding block and a second sliding block, the first sliding block is rotatably connected with a first friction wheel and a second friction wheel, the first sliding block is provided with a first electromagnet, the second sliding block on the opposite side of the first electromagnet is provided with a second electromagnet, and the middle part of the support frame is provided with a third magnetic part.
In the above scheme, preferably, the first slider and the second slider are connected with two ends of the support frame through the first elastic element and the second elastic element.
In the above scheme, preferably, a first temperature control switch and a second temperature control switch are arranged on two sides of the first piston, and when the first temperature control switch reaches a set threshold value, the first electromagnet is started; and when the second temperature control switch reaches a set threshold value, the second electromagnet is started.
In the above scheme, preferably, the support frame is arranged on the box body.
In the above aspect, it is preferable that a cooling liquid is placed between the heat dissipation area and the cooling area.
In the above scheme, preferably, the heat dissipation assemblies are arranged in at least two groups and are symmetrically arranged above and below the main body.
The utility model has the beneficial effects that: set up the cooling space that is used for the main shaft in the box, and set up the heat dissipation for the coolant liquid that has the uniform temperature, and set up first magnetic part in first cavity, the coolant liquid exchange in cooling space and the heat dissipation district is realized to screw nut cooperation first piston and second piston, under the condition of cooling space has surrounded the main shaft, the cooling effect is better, and the life-span of extension main shaft under the condition of energy saving, through first temperature detect switch, the rotating assembly on second temperature detect switch and the support frame, realize exchanging the coolant liquid at any time between cooling space and the heat dissipation district at cooperation first gyro wheel and second gyro wheel.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a partially enlarged view of a portion a of fig. 1.
FIG. 3 is a cross-sectional view of the present invention.
Detailed Description
The utility model is described in further detail below with reference to the following detailed description and accompanying drawings: referring to fig. 1-3, a spindle structure of a numerical control machine tool includes a spindle body 1, where the spindle body 1 often needs to rotate at a high speed, and often a clamp is disposed at one end of the spindle body 1, and the other end of the spindle body 1 rotates the spindle body 1 under power of a motor or others, so that the spindle often generates heat when rotating.
The main body 1 is provided with a heat dissipation assembly 27 on the outer side, the heat dissipation assembly 27 comprises a box body 2, a first piston 3, a second piston 4 and a first magnetic part 5, the box body 2 is arranged on the outer side of the main shaft, the box body 2 is provided with a partition plate, the partition plate divides the box body 2 into two parts, the box body 2 on the upper side of the partition plate is a cooling area 6, the lower side of the partition plate is a heat dissipation area 7, two ends of the partition plate are provided with a first through hole 8 and a second through hole 9, preferably, the left side of the box body 2 is provided with the first through hole 8, the right side of the box body 2 is provided with the second through hole 9, the first piston 3 is arranged in the cooling area 6, and the second piston 4 is arranged in the heat dissipation area 7.
And cooling liquid is placed in the box body 2, preferably, the cooling liquid is fully filled in the box body 2, when the second piston 4 moves towards the right side, the cooling liquid on the right side of the second piston 4 enters the cooling area 6 through the second through hole 9, and the cold drink in the same cooling area 6 enters the heat dissipation area 7, so that the exchange of the cooling liquid can be realized.
A first magnetic member 5 is disposed in the heat dissipation area 7, the first magnetic member 5 is preferably disposed in the first piston 3, a second magnetic member 10 is slidably disposed at the bottom of the case 2, the second magnetic member 10 is connected to the first magnetic member 5 via the case 2, and when the second magnetic member 10 moves, the first magnetic member 5 drives the second piston 4 to move together.
A screw 11 and a nut 12 are provided under the second magnetic member 10, the screw 11 is connected under the cabinet 2, and the nut 12 is connected to the second magnetic member 10, so that when the screw 11 is rotated, the nut 12 and the second magnetic member 10 move together.
A first roller 13 is arranged at one end of the screw rod 11, a support frame 14 is arranged between the first roller 13 and the main body 1, the support frame 14 is preferably arranged on the box body 2, a rotation mode of a first condition is arranged on the support frame 14, a first slider 15 is arranged on the support frame 14, a first electromagnet 20 is arranged on the first slider 15, a first friction wheel 17 is rotated on the first slider 15, the first slider 15 is connected with the tail end of the support frame 14 through a first elastic part 23, a third magnetic part 22 is arranged on the support frame 14, when the first electromagnet 20 is electrified, the first friction wheel 17 connects the main body 1 with the first roller 13, and at the moment, the rotation direction of the screw rod 11 is the same as that of the main body 1.
In the second case, a second sliding block 16 is arranged on the supporting frame 14 in a sliding manner, one end of the second sliding block 16 is connected with the tail end of the supporting frame 14 through a second elastic piece 24, a second friction wheel 18 and a third friction wheel 19 are connected to the second sliding block 16 in a tangent manner, a second electromagnet 21 is still arranged on the second sliding block 16, when the second electromagnet 21 is started, the second sliding block 16 moves towards one side of a third magnetic piece 22, the second friction wheel 18 is connected with the main body 1, the third friction wheel 19 is connected with the first roller 13, and the rotation direction of the first roller 13 is opposite to that of the main body 1.
A first temperature control switch 25 and a second temperature control switch 26 are arranged on both sides of the first piston 3, when the first piston 3 moves to the left, the first temperature control switch 25 detects the liquid in the cooling area 6, the threshold value in this embodiment is 50 degrees, and when the temperature of the cooling liquid exceeds 50 degrees, the first temperature control switch 25 is activated, that is, the first electromagnet 20 has magnetism; when the first piston 3 is located on the right, the second temperature-controlled switch 26 detects the temperature of the coolant, and when the temperature exceeds a threshold value, the second temperature-controlled switch 26 activates the second electromagnet 21.
The working principle is as follows: when the first piston 3 is positioned on the second through hole 9, and the first temperature control switch 25 detects that the liquid in the cooling area 6 exceeds a threshold value of 50 degrees at the moment, the first electromagnet 20 is started, the first slider 15 moves to one side of the third slider, namely, the main body 1 is connected with the first roller 13 through the first friction wheel 17, the first roller 13 drives the screw rod 11 to rotate, the nut 12 drives the second magnetic part 10 to move to one side of the second through hole 9 when the screw rod 11 rotates, namely, under the action of the first magnetic part 5, the second piston 4 moves to the second through hole 9, and the first piston 3 moves to the first through hole 8, namely, the liquid exchange between the cooling area 6 and the heat dissipation area 7 is realized; when the second temperature-controlled switch 26 of the first piston 3 located on the first through hole 8 detects that the water temperature reaches the threshold value, the second electromagnet 21 is started, and under the action of the second friction wheel 18 and the third friction wheel 19, the screw rod 11 rotates reversely, that is, the second piston 4 moves towards the first through hole 8 side, and the first piston 3 moves towards the second through hole 9 side, so that the progress of automatically exchanging the cooling liquid and strengthening the cooling main body 1 is realized.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. The utility model provides a digit control machine tool main shaft structure, includes main shaft body, its characterized in that: the outside of main part sets up radiator unit, radiator unit includes box, first piston, second piston and first magnetic part, set up the cooling space in the box the cooling space below sets up the cooling space, set up first piston in the cooling space, set up the second piston in the cooling space, set up first through-hole and second through-hole between cooling space and the cooling space set up first magnetic part in the cooling space, first magnetic part with the second piston is connected.
2. The spindle structure of a numerical control machine tool according to claim 1, wherein: the second magnetic part is arranged below the first magnetic part, the screw rod and the nut are arranged below the second magnetic part, the nut is connected with the screw rod, the screw rod is arranged below the heat dissipation area, and after the screw rod is rotated, the nut drives the second magnetic part and the first piston to move.
3. The spindle structure of a numerical control machine tool according to claim 2, wherein: the novel electromagnetic clutch is characterized in that a first roller is arranged at one end of the screw, a support frame is arranged between the first roller and the main body, a first sliding block and a second sliding block are arranged on the support frame, the first sliding block is rotatably connected with a first friction wheel, the first sliding block is rotatably connected with the first friction wheel and a second friction wheel, a first electromagnet is arranged on the first sliding block, a second electromagnet is arranged on the second sliding block on one side, opposite to the first electromagnet, of the first electromagnet, and a third magnetic part is arranged in the middle of the support frame.
4. The spindle structure of a numerical control machine tool according to claim 3, wherein: the first sliding block and the second sliding block are connected with the two ends of the supporting frame through the first elastic piece and the second elastic piece.
5. The spindle structure of a numerical control machine tool according to claim 4, wherein: a first temperature control switch and a second temperature control switch are arranged on two sides of the first piston, and when the first temperature control switch reaches a set threshold value, the first electromagnet is started; and when the second temperature control switch reaches a set threshold value, the second electromagnet is started.
6. The spindle structure of a numerical control machine tool according to claim 5, wherein: the support frame is arranged on the box body.
7. The spindle structure of a numerical control machine tool according to claim 6, wherein: and a cooling liquid is placed between the heat dissipation area and the cooling area.
8. The spindle structure of a numerical control machine tool according to claim 7, wherein: the radiating assemblies are at least provided in two groups and are symmetrically arranged above and below the main body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122137816.7U CN215845748U (en) | 2021-09-06 | 2021-09-06 | Main shaft structure of numerical control machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122137816.7U CN215845748U (en) | 2021-09-06 | 2021-09-06 | Main shaft structure of numerical control machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215845748U true CN215845748U (en) | 2022-02-18 |
Family
ID=80246115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122137816.7U Active CN215845748U (en) | 2021-09-06 | 2021-09-06 | Main shaft structure of numerical control machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215845748U (en) |
-
2021
- 2021-09-06 CN CN202122137816.7U patent/CN215845748U/en active Active
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