CN209212905U - A kind of transmission device for gantry machining center lead screw - Google Patents
A kind of transmission device for gantry machining center lead screw Download PDFInfo
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- CN209212905U CN209212905U CN201822213054.2U CN201822213054U CN209212905U CN 209212905 U CN209212905 U CN 209212905U CN 201822213054 U CN201822213054 U CN 201822213054U CN 209212905 U CN209212905 U CN 209212905U
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- belt pulley
- coupler
- servo motor
- lead screw
- pulley
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Abstract
The utility model belongs to lead screw transmission field more particularly to a kind of transmission mechanism of gantry machining center lead screw.Including servo motor, it is provided with double pulley deceleration device on the servo motor, novel coupler is provided on the double pulley deceleration device, is connected with ball-screw on the novel coupler；The double pulley deceleration device includes shell, the shell upper is provided with big belt pulley, lower part is provided with small belt pulley, the big belt pulley connect setting with novel coupler, the small belt pulley connect setting with servo motor, big belt pulley is connect by belt with small belt pulley, this structure uses small one and large one biobelt wheel construction, by the number of teeth for changing belt wheel, transmission speed ratio can be arbitrarily adjusted, to guarantee the machining accuracy when processing large-scale workpiece.
Description
Technical field
The utility model belongs to the utility model and belongs to lead screw transmission field more particularly to a kind of gantry machining center lead screw
Transmission mechanism.
Background technique
With the high speed development of machinery manufacturing industry, gantry machining center is widely used in field of machining.It is existing
The lead screw at gantry generally uses shaft coupling directly to couple with servo motor, when shaft coupling is directly coupled to heavy load, moment inertia
It is very big, it is easy to cause the overload-alarm of servo motor, and when machine tooling heavy workpiece, shaft coupling directly couples to watching
It is very high to take motor torque demands, when causing the excessively high machine tooling heavy workpiece of production cost, inertia is big, and when finishing can generate
It shakes, seriously affects machining accuracy.
Utility model content
The utility model is directed to the deficiency of above-mentioned gantry machining center lead screw gear, proposes in a kind of processing of gantry
The transmission mechanism of heart lead screw.
In order to achieve the above objectives, the technical solution adopted in the utility model is that the utility model provides a kind of gantry processing
The transmission mechanism of center lead screw.Servo motor is included, double pulley deceleration device is provided on the servo motor, the double pulley subtracts
It is provided with novel coupler on speed variator, is connected with ball-screw on the novel coupler；
The double pulley deceleration device includes shell, and the shell upper is provided with big belt pulley, lower part is provided with cuticle
Belt wheel, the big belt pulley connect setting with novel coupler, and the small belt pulley connect setting, big belt pulley with servo motor
It is connect by belt with small belt pulley；
The novel coupler includes the first half a coupler and the second half a coupler, and one end face of the first half a coupler is set
Hexagonal prisms are equipped with, other end side is provided with keyway, is internally provided with the internal screw thread being equipped with ball-screw；Described second
One end face of half a coupler is provided with six rib slots, and other end side is provided with keyway；The hexagonal prisms are placed in six rib slots.
Preferably, the servo motor is fixed by bolts in shell.
Preferably, the big belt pulley is fixed on the second half a coupler using key connection, the small belt pulley uses key
It is connected and fixed on servo motor.
Preferably, the double pulley deceleration device is detachable structure.
Compared with prior art, it the advantages of the utility model and has the active effect that
The utility model lies in that this structure uses small one and large one biobelt wheel construction, it, can be any by changing the number of teeth of belt wheel
Transmission speed ratio is adjusted, flexibly this slowing-down structure is configured and uses modularized design, when client does not need high finishing, or do not process weight
When type workpiece, slowing-down structure can integrally be removed, using servo motor direct connection mode.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical solution of the utility model embodiment
The attached drawing used is briefly described, it should be apparent that, the accompanying drawings in the following description is some embodiments of the utility model,
For those of ordinary skill in the art, without any creative labor, it can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of diagrammatic cross-section of transmission device for gantry machining center lead screw；
Fig. 2 is the structural schematic diagram of novel coupler；
In above each figure, 1, servo motor；2, novel coupler；3, ball-screw；4, shell；5, small belt pulley；6, skin
Band；7, big belt pulley；2A, the first half a coupler；2B, the second half a coupler；201, hexagonal prisms；202, keyway；203, internal screw thread；
204, six rib slot；
Specific embodiment
It is with reference to the accompanying drawing and real in order to be more clearly understood that the above objects, features, and advantages of the utility model
Example is applied to be described further the utility model.It should be noted that in the absence of conflict, embodiments herein and reality
The feature applied in example can be combined with each other.
Many details are explained in the following description in order to fully understand the utility model, still, this is practical
Novel to be implemented using other modes described herein are different from, therefore, the utility model is not limited to be described below
The limitation of the specific embodiment of specification.
Embodiment 1, as shown in Figure 1, the utility model provide a kind of transmission device for gantry machining center lead screw,
Including servo motor 1, it is provided with double pulley deceleration device on servo motor 1, novel shaft coupling is provided on double pulley deceleration device
Device 2 is connected with ball-screw 3 on novel coupler 2；
Double pulley deceleration device includes shell 4, and 4 top of shell is provided with big belt pulley 7, lower part is provided with small belt pulley 5,
Big belt pulley 7 connect setting with novel coupler 2, and small belt pulley 5 connect setting with servo motor 1, and big belt pulley 7 passes through belt
6 connect with the wheel of belt lace 5.This knot, by the number of teeth of change belt wheel, can be adjusted arbitrarily using small one and large one two belt sheave structures
Transmission speed ratio further increases the transmission accuracy to lead screw, to ensure the machining accuracy of part.
Novel coupler includes that the first half a coupler 2A and the second half a coupler mono- end face 2B, the first half a coupler 2A are arranged
There are hexagonal prisms 201, other end side is provided with keyway 202, is internally provided with the internal screw thread 203 being equipped with ball-screw 3；
Ball-screw 3 is connected by key and the first half a coupler 2A is fixed in threaded connection, and structure is more stable, has ensured transmission essence
Degree；Second half a coupler, one end face is provided with six rib slots 204, and other end side is provided with keyway 202；The length of hexagonal prisms 201
Equal to the depth of six rib slots 204, the volume of hexagonal prisms 201 is equal with the volume of six rib slots 204, and hexagonal prisms 201 seamless can block
It is placed in six rib slots 204.First half a coupler 2A and the second half a coupler 2B uses six face contacts, and contact area increases, not rapid wear
It is bad；The stress there are six contact surface is rotated and reverse, torsion can be shared, reduces the abrasion to shaft coupling；This novel shaft coupling
2 structure of device is simple, strong applicability, and connection position is hidden in inside shaft coupling completely, will not influence the rotation of novel coupler 2.
Replacement, maintenance or maintenance servo motor 1, servo motor 1 are fixed by bolts in shell as needed for convenience
4。
Big belt pulley 7 is fixed on the second half a coupler 2B using key connection, and small belt pulley 5 is fixed on servo using key connection
The main shaft of motor 1.The belt pulley for needing replacing different numbers of teeth when can be according to processing using key connection, to guarantee to ball wire
The transmission accuracy of thick stick 3.
The double pulley deceleration device is detachable structure, when not needing high finishing, or not machining heavy-type workpieces when,
Slowing-down structure can integrally be removed, using 1 direct connection mode of servo motor.
The above descriptions are merely preferred embodiments of the present invention, is not to make other forms to the utility model
Limitation, any person skilled in the art is changed or is modified as possibly also with the technology contents of the disclosure above equivalent
The equivalent embodiment of variation is applied to other fields, but all without departing from the content of the technical scheme of the utility model, according to this reality
With novel technical spirit any simple modification, equivalent variations and remodeling to the above embodiments, it is practical new to still fall within this
The protection scope of type technical solution.
Claims (4)
1. a kind of transmission device for gantry machining center lead screw, which is characterized in that including servo motor, the servo motor
On be provided with double pulley deceleration device, novel coupler is provided on the double pulley deceleration device, on the novel coupler
It is connected with ball-screw；
The double pulley deceleration device includes shell, and the shell upper is provided with big belt pulley, lower part is provided with small belt pulley,
The big belt pulley connect setting with novel coupler, and the small belt pulley connect setting with servo motor, and big belt pulley passes through
Belt is connect with small belt pulley；
The novel coupler includes the first half a coupler and the second half a coupler, and one end face of the first half a coupler is provided with
Hexagonal prisms, other end side are provided with keyway, are internally provided with the internal screw thread being equipped with ball-screw；Described the second half
One end face of axis device is provided with six rib slots, and other end side is provided with keyway；The hexagonal prisms are placed in six rib slots.
2. a kind of transmission device for gantry machining center lead screw according to claim 1, which is characterized in that described to watch
Motor is taken to be fixed by bolts in shell.
3. a kind of transmission device for gantry machining center lead screw according to claim 2, which is characterized in that described big
Belt pulley is fixed on the second half a coupler using key connection, and the small belt pulley is fixed on servo motor using key connection.
4. a kind of transmission device for gantry machining center lead screw according to claim 3, which is characterized in that described double
Belt wheel deceleration device is detachable structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822213054.2U CN209212905U (en) | 2018-12-27 | 2018-12-27 | A kind of transmission device for gantry machining center lead screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822213054.2U CN209212905U (en) | 2018-12-27 | 2018-12-27 | A kind of transmission device for gantry machining center lead screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209212905U true CN209212905U (en) | 2019-08-06 |
Family
ID=67466180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822213054.2U Active CN209212905U (en) | 2018-12-27 | 2018-12-27 | A kind of transmission device for gantry machining center lead screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209212905U (en) |
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2018
- 2018-12-27 CN CN201822213054.2U patent/CN209212905U/en active Active
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