CN208743708U - A kind of headstock in vertical machining center structure - Google Patents
A kind of headstock in vertical machining center structure Download PDFInfo
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- CN208743708U CN208743708U CN201821296953.7U CN201821296953U CN208743708U CN 208743708 U CN208743708 U CN 208743708U CN 201821296953 U CN201821296953 U CN 201821296953U CN 208743708 U CN208743708 U CN 208743708U
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- spindle
- electro spindle
- cooling
- headstock
- axle unit
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Abstract
A kind of headstock in vertical machining center structure, spindle box body inside are equipped with cross-rib structure, loss of weight pore structure, main axle unit；Main axle unit vertically runs through entire spindle box body；Heat in main axle unit is taken away by cooling oil band, and cooling oil is promoted in cooling net from fuel tank by elevator pump by oil circuit and carries out cooling；Between gas source and electro spindle, equipped with the pressure reducing valve I for being used to realize electro spindle forward end seal function；Two five-way valve doors control the gas supply direction of knife striking cylinder inside gas source to electro spindle；2/2-way valve controls the on off operating mode of electro spindle inside center channel gas circuit, realizes the blowing function at electro spindle center.The utility model solves the lower technical problem of spindle box revolving speed existing in the prior art by above structure, provides that a kind of cost is low, the good headstock in vertical machining center structure of using effect.
Description
Technical field
The utility model relates to a kind of headstock structures, specifically, are related to a kind of vertical machining centre for being equipped with electro spindle
Headstock structure.
Background technique
Existing headstock in vertical machining center structure: main axle unit is equipped in spindle box, the top of main axle unit is equipped with
Pressurized cylinder, the lower part of main axle unit are cutters；Spindle motor synchronous pulley is housed, main motor synchronous pulley passes through on spindle motor
Synchronous belt is connect with main axle unit.Generally, the transmission ratio of the primary shaft belt pulley on main axle unit and main motor belt wheel is 1:1, by
It is general lower (generally within 10000r/min) in the spindle box revolving speed of the limitation of belt composition, this belt composition, therefore
Cutter revolving speed is equally relatively low, and such revolving speed is not appropriate for the demand to the processing of high revolving speed in the market, especially develops at present fast
The 3C industry of speed, the demand to high revolving speed lathe (10000r/min or more) is growing day by day.
Summary of the invention
In view of the above problems, the utility model proposes a kind of headstock in vertical machining center structure, in spindle box body
Portion is equipped with cross-rib structure, loss of weight pore structure, main axle unit；Main axle unit vertically runs through entire spindle box body, and passes through method
Blue mounting surface is connect with spindle box body；Heat in main axle unit is taken away by cooling oil band, and cooling oil is by oil circuit by being promoted
Pump is promoted in cooling net from fuel tank and carries out cooling, is pumped back to by pressure into main axle unit after cooling；In gas source and electricity
Between main shaft, equipped with the pressure reducing valve I for being used to realize electro spindle forward end seal function；Two five-way valve doors control gas source to electro spindle
The loose knife and swaging clamp function of electro spindle are realized in the gas supply direction of internal knife striking cylinder；2/2-way valve controls electro spindle inside center
The on off operating mode of channel gas circuit realizes the blowing function at electro spindle center.The utility model is cooperated by above structure, solution
It has determined the lower technical problem of spindle box revolving speed existing in the prior art.
To achieve the goals above, a kind of the technical solution adopted in the utility model are as follows: headstock in vertical machining center knot
Structure, it is characterised in that: cross-rib structure, loss of weight pore structure, main axle unit are equipped with inside spindle box body；Main axle unit vertically passes through
Entire spindle box body is worn, and is connect by flange mounting surface with spindle box body；Heat in main axle unit is by cooling oil band
It takes away, cooling oil is promoted in cooling net from fuel tank by elevator pump by oil circuit and carries out cooling, by pressure pumping after cooling
It is back in main axle unit；Between gas source and electro spindle, equipped with the pressure reducing valve I for being used to realize electro spindle forward end seal function；Two
Position five-way valve door is logical by two five by being connected respectively by air inlet pipeline and outlet pipe with the inside knife striking cylinder of electro spindle
Valve controls the gas supply direction of knife striking cylinder inside gas source to electro spindle, realizes the loose knife and swaging clamp function of electro spindle；Gas source with
It is equipped with 2/2-way valve between the inside center channel of electro spindle, electro spindle inside center channel gas is controlled by 2/2-way valve
The on off operating mode on road realizes the blowing function at electro spindle center.
Between the oil return line of the fuel tank and pressure pump, equipped with for guaranteeing entire cooling circuit pressure stability energy
Pressure reducing valve II.
The cross-rib structure is made of transverse bar plate and vertical bar plate intersection, and four thus will be divided into inside spindle box body
Region is equipped with loss of weight pore structure in this four regions.
The spindle flange mounting surface is provided with pyramid type raised structures, for keeping the preceding end bearing in main shaft closer
Flange mounting surface improves main axis stiffness.
The utility model has the following beneficial effects: the utility model cooperates using the above structure, main shaft can be improved
Revolving speed obtains higher surface smoothness and stock-removing efficiency, while having lower cost relative to same type lathe.
Detailed description of the invention
Fig. 1: spindle box body structure described in the utility model.
The schematic diagram of the function of spindle motor unit shown in Fig. 2: Fig. 1.
Specific embodiment
A kind of headstock in vertical machining center structure, structure are as follows: be equipped with cross-rib structure 4 inside spindle box body, subtract
Repeated hole structure 1, main axle unit 2；The spindle flange mounting surface is provided with pyramid type raised structures 3, for making in main shaft
Preceding end bearing improves main axis stiffness closer to flange mounting surface.The cross-rib structure 4 is by transverse bar plate and vertical bar plate intersection group
At, four regions thus will be divided into inside spindle box body, in this four regions, be equipped with loss of weight pore structure 1.Nose construction,
Keep spindle end identity distance more reasonable with a distance from workpiece under the premise of guaranteeing main shaft vibration；It is good to guarantee that main shaft has for cross-rib structure
Good dynamic and static properties；Loss of weight pore structure, the lightening hole being reasonably distributed are optimal the weight of main spindle box body, allow machine
The up and down motion inertia of the Z axis motive spindle case of bed is smaller, has outstanding dynamic response.
Main axle unit 2 vertically runs through entire spindle box body, and is connect by flange mounting surface with spindle box body；Electricity is main
The high revolving speed of axis can generate a large amount of heat, and the heat in main axle unit 2 is taken away by cooling oil band, and cooling oil is by oil circuit by mentioning
Liter pump 9 is promoted in cooling net 8 from fuel tank 11 carries out cooling, is drawn back by pressure pump 13 into main axle unit 2 after cooling；Institute
Between the fuel tank 11 stated and the oil return line of pressure pump 13, equipped with for guaranteeing the decompression of entire cooling circuit pressure stability energy
Valve II12.Overflow valve 10 is equipped in the gas source and electro spindle between air-tight structure, overflow valve 10 guarantees air-tight structure
Interior stable gas pressure is in 0.2~0.25MPa.
Between gas source 14 and electro spindle 2-1, equipped with the pressure reducing valve I5 for being used to realize electro spindle forward end seal function；Two
Five-way valve door 6 passes through two by being connected respectively by air inlet pipeline 15 and outlet pipe 16 with the inside knife striking cylinder of electro spindle 2-1
Position five-way valve door 6 controls the gas supply direction of knife striking cylinder inside gas source 14 to electro spindle, realizes the loose knife and swaging clamp function of electro spindle 2-1
Energy；It is equipped with 2/2-way valve 7 between gas source 14 and the inside center channel of electro spindle 2-1, electricity is controlled by 2/2-way valve 7
The on off operating mode of main shaft inside center channel gas circuit realizes the blowing function at the center electro spindle 2-1.
In the present invention, electro spindle in the case where rated speed 9000r/min, torque reaches maximum
7.2Nm.When the revolving speed of electro spindle reaches maximum 24000r/min, torque reaches 2Nm, meets the cutting demand of 3C industry.
Claims (4)
1. a kind of headstock in vertical machining center structure, it is characterised in that: be equipped with inside spindle box body cross-rib structure (4),
Loss of weight pore structure (1), main axle unit (2)；Main axle unit (2) vertically runs through entire spindle box body, and passes through flange mounting surface
It is connect with spindle box body；Heat in main axle unit (2) is taken away by cooling oil band, and cooling oil is by oil circuit by elevator pump (9)
It is promoted in cooling net (8) from fuel tank (11) and carries out cooling, drawn back by pressure pump (13) to main axle unit (2) after cooling
In；Between gas source (14) and electro spindle (2-1), equipped with the pressure reducing valve I (5) for being used to realize electro spindle forward end seal function；Two
Position five-way valve door (6) by passing through the inside knife striking cylinder of air inlet pipeline (15) and outlet pipe (16) and electro spindle (2-1) respectively
It is connected, by the gas supply direction of knife striking cylinder inside two five-way valve door (6) control gas source (14) to electro spindles, realizes electro spindle
The loose knife and swaging clamp function of (2-1)；2/2-way valve is equipped between gas source (14) and the inside center channel of electro spindle (2-1)
(7), the on off operating mode of electro spindle inside center channel gas circuit is controlled by 2/2-way valve (7), realizes the center electro spindle (2-1)
Blowing function.
2. a kind of headstock in vertical machining center structure according to claim 1, it is characterised in that: the fuel tank (11)
Between the oil return line of pressure pump (13), equipped with for guaranteeing the pressure reducing valve II of entire cooling circuit pressure stability energy
(10)。
3. a kind of headstock in vertical machining center structure according to claim 1, it is characterised in that: the cross-rib knot
Structure (4) is made of transverse bar plate and vertical bar plate intersection, four regions thus will be divided into inside spindle box body, in this four regions
It is interior, it is equipped with loss of weight pore structure (1).
4. a kind of headstock in vertical machining center structure according to claim 1, it is characterised in that: the spindle flange
Mounting surface is provided with pyramid type raised structures (3), for making the preceding end bearing in main shaft closer to flange mounting surface, improves main shaft
Rigidity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821296953.7U CN208743708U (en) | 2018-08-13 | 2018-08-13 | A kind of headstock in vertical machining center structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821296953.7U CN208743708U (en) | 2018-08-13 | 2018-08-13 | A kind of headstock in vertical machining center structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208743708U true CN208743708U (en) | 2019-04-16 |
Family
ID=66079370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821296953.7U Active CN208743708U (en) | 2018-08-13 | 2018-08-13 | A kind of headstock in vertical machining center structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208743708U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110142644A (en) * | 2019-05-31 | 2019-08-20 | 东莞市乔锋机械有限公司 | A kind of cooling isolating device of machining center spindle motor |
-
2018
- 2018-08-13 CN CN201821296953.7U patent/CN208743708U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110142644A (en) * | 2019-05-31 | 2019-08-20 | 东莞市乔锋机械有限公司 | A kind of cooling isolating device of machining center spindle motor |
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