CN207239435U - A kind of Z-axis transmission mechanism of laser cutting machine - Google Patents
A kind of Z-axis transmission mechanism of laser cutting machine Download PDFInfo
- Publication number
- CN207239435U CN207239435U CN201721016356.XU CN201721016356U CN207239435U CN 207239435 U CN207239435 U CN 207239435U CN 201721016356 U CN201721016356 U CN 201721016356U CN 207239435 U CN207239435 U CN 207239435U
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- slide
- installing plate
- transmission mechanism
- bearing
- cutting machine
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Abstract
The utility model discloses a kind of Z-axis transmission mechanism of laser cutting machine, including support base, the side wall of the support base is equipped with two line slideways for being arranged in parallel and extending along Z-direction, two line slideways are equipped with a slide that can be slided along two line slideway Z-directions, the slide is equipped with cutting head installing plate, and the lower part of the cutting head installing plate is equipped with cutting head switching installing plate;Transmission component is additionally provided between two line slideways, the transmission component is connected with the slide and the driving device with being installed in the support base is sequentially connected, the driving device can drive the transmission component to be driven the slide and be slided along two line slideways, and matching drives the cutting head installing plate, cutting head switching installing plate and the movement of cutting head Z-direction.The Z-axis transmission mechanism of the laser cutting machine of the utility model make it that ball screw concentricity is high, operate steadily and noise is small.
Description
Technical field
Laser cutting technique field is the utility model is related to, more particularly to a kind of Z-axis transmission mechanism of laser cutting machine.
Background technology
Recent year increases sharply the demand of laser cutting machine tool, and optical-fiber laser cutting off machine is easy to dimension due to possessing
Many advantages, such as shield, consuming cost is low, and cutting section is excellent, is so the growth of demand seems especially prominent.
It is getting faster with the speed of laser cutting machine, to each axial transmission mechanism for being installed on laser cutting machine
The rotating speed of shaft is also higher and higher.For the cutting head of laser cutting machine, it is often installed on Z axis, thus, with
The speed of laser cutting machine is getting faster, thus also higher and higher to the rotating speed of the shaft of required Z-axis transmission mechanism, with
And the support concentricity requirement for the upper and lower ends to Z-direction shaft come is also very stringent.The Z-direction of existing laser cutting machine
Shaft (most of is screw) one end of transmission mechanism is connected with driving motor, and the other end is free end, and being arranged in shaft can phase
The slide (most of is ball nut) that countershaft slides, when slowly running, slide can be moved smoothly shaft in z-direction
It is dynamic, but in shaft high-speed rotation, if its free end is locked without corresponding component, in shaft high-speed rotation, its freedom
End can produce and rock so that slide can not smoothly Z-direction it is mobile and because rigid collision and caused by shaft and slide damage;Together
When, it is existing in the assembling of the shaft free end of Z-direction transmission mechanism for the bearing locked, the bearing and the shaft other end at the end
Bearing concentricity it is low, shaft noise when rotation and Z-axis transmission mechanism work is big, and operation is unstable.
For the above problem in correlation technique, not yet there are effective solution at present.
Utility model content
The technical problem that the utility model solves be for it is above-mentioned it is of the prior art there are the defects of, provide a kind of coaxial
Degree is high, operates steadily and the Z-axis transmission mechanism of laser cutting machine that noise is small.
To solve above-mentioned technical problem, the technical solution that the utility model is taken is as follows：A kind of Z axis of laser cutting machine passes
Motivation structure, including support base, the side wall of the support base are equipped with two line slideways for being arranged in parallel and extending along Z-direction,
Two line slideways are equipped with a slide that can be slided along two line slideway Z-directions, and the slide is equipped with cutting head installing plate,
The lower part of the cutting head installing plate is equipped with cutting head switching installing plate;Transmission component is additionally provided between two line slideways,
The transmission component is connected with the slide and the driving device with being installed in the support base is sequentially connected, the driving
Device can drive the transmission component to be driven the slide and be slided along two line slideways, the matching drive cutting head installing plate,
Cutting head switching installing plate and the movement of cutting head Z-direction.
It is expanded on further as to above-mentioned technical proposal：
In the above-mentioned technical solutions, the transmission component includes ball screw, and one end of the ball screw passes through two
One bearing is connected with the support base, and the other end is connected by second bearing with the bearing block being installed in fixed seat, described
Fixed seat is installed on the side wall of the support base, the end that the ball screw is connected with support base also by shaft coupling with
The rotating shaft transmission of the driving device connects, and the ball nut that can be slided along ball screw, institute are arranged with the ball screw
Ball nut is stated to be connected with the slide by nut connecting seat;The driving device is driven the ball screw and rotates, and makes institute
State the movement of ball nut Z-direction and drive the slide Z-direction to move.
In the above-mentioned technical solutions, opened on the corner of the bearing block and be formed with four screw holes, the fixed seat matches four screw holes
Position on be formed with four waist-shaped holes;Bolt is implanted into the waist-shaped hole and is locked in the matched screw hole, makes the bearing
Seat is fixed with the fixed seat and can adjust the concentricity of the clutch shaft bearing and second bearing.
In the above-mentioned technical solutions, the clutch shaft bearing is angular contact bearing, and the second bearing is deep groove ball bearing.
In the above-mentioned technical solutions, the nut connecting seat is affixed by screw and the slide.
In the above-mentioned technical solutions, the driving device is servomotor.
In the above-mentioned technical solutions, the line slideway is square ball line slideway.
In the above-mentioned technical solutions, further include some for spacing and detection optoelectronic switch, some optoelectronic switches
It is disposed on an installing plate, the installing plate is in position positioned at the side of one of two line slideways, the slide
Side be installed with sensing side plate, the sensing side plate matches with the installing plate in position, and the sensing side plate with
With some optoelectronic switch movable contacts and limiting stroke of the slide in Z-direction when being moved with the slide Z-direction.
In the above-mentioned technical solutions, the installing plate is equipped with three optoelectronic switches.
The beneficial effects of the utility model are:The utility model Z-axis transmission mechanism is set respectively at the both ends of ball screw
Angular contact bearing and deep groove ball bearing, and deep groove ball bearing is installed in bearing block, bearing block is adjustable to be installed in fixed seat
On, the position that is seated against by adjustment axis in fixed seat, adjusts the concentricity of angular contact bearing and deep groove ball bearing, the rolling made
The upper and lower side of ballscrew has high concentricity, matches the demand of ball screw high-speed rotation;Meanwhile the utility model Z axis passes
When motivation structure works, noise is small, and slide is smooth along line slideway slip, and the cutting head made is steady in the movement of Z-direction direction, whole Z axis
Transmission mechanism service life is grown.
Brief description of the drawings
Fig. 1 is the three-dimensional structure diagram of the utility model；
Fig. 2 is the exploded view of the utility model.
In figure, 1. support bases, 11. supporting blocks, 12. grooves, 13. mounting bases, 14. bearing mounting holes;2. line slideway,
21. slide, 22. balls;3. slide;4. cutting head installing plate, 5. cutting heads switching installing plate, 6. transmission components, 61. ball wires
Bar, 62. clutch shaft bearings, 63. locking nuts, 64. shaft couplings, 65. fixed seats, 66. bearing blocks, 67. second bearings, 68. balls
Nut, 69. nut connecting seats;7. driving device, 71. shafts;8. optoelectronic switch;9. installing plate;10. sense side plate.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
The embodiment described by reference to attached drawing is exemplary, it is intended to for explaining the application, and it is not intended that right
The limitation of the application.In the description of the present application, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ",
" width ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ",
The orientation or position relationship of the instructions such as " clockwise ", " counterclockwise " be based on orientation shown in the drawings or position relationship, be only for
Described easy to description the application and simplifying, rather than instruction or imply that signified device or element there must be specific side
Position, with specific azimuth configuration and operation, therefore it is not intended that limitation to the application.In addition, term " first ", " second "
Description purpose is only used for, and it is not intended that indicating or implying relative importance or imply the technical characteristic indicated by indicating
Quantity.Thus, " first " is defined, the feature of " second " can be expressed or implicitly includes one or more spy
Sign.In the description of the present application, " several ", " multiple " are meant that two or more, unless otherwise clearly specific
Limit.Unless otherwise clearly defined and limited, in this application, the art such as term " installation ", " connected ", " connection ", " fixation "
Language should be interpreted broadly, such as, can be fixedly connected, can also be detachably connected, or be integrally connected;Can be machinery
Connection, can also be electrically connected;It can be directly connected, can also be indirectly connected by intermediary, can be two elements
Internal connection.For the ordinary skill in the art, above-mentioned term can be understood in the application as the case may be
In concrete meaning.Unless otherwise clearly defined and limited, in this application, fisrt feature second feature it " on " or it
" under " can directly be contacted including the first and second features, it is not directly to contact but lead to that can also include the first and second features
Cross the other characterisation contact between them.And fisrt feature second feature " on ", " top " and " above " include the
One feature is directly over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.First is special
Sign second feature " under ", " lower section " and " below " including fisrt feature directly over second feature and oblique upper, or only
Represent that fisrt feature level height is less than second feature.
A kind of attached drawing 1-2 examples specific embodiment of the utility model, is specially a kind of Z-axis transmission of laser cutting machine
The specific embodiment of mechanism, it includes support base 1, which is " ┐ " type support base, and the support base 1
Side wall extend supporting block 11 along Y-direction equipped with two, and a groove 12 is formed between two supporting blocks 11, the support bottom
The side wall (side wall of 1 vertical section of support base) of seat 1 is equipped with two line slideways 2 for being arranged in parallel and extending along Z-direction, at this
In embodiment, line slideway 2 is square ball line slideway, and two line slideways 2 are the horizontal direction (X along 1 side wall of support base
To) spaced;Certainly, two line slideways 2 are relatively parallel, and in practice, two line slideways 2 are to be installed in two supporting blocks
On 101, namely the slide 21 of line slideway 2 is installed in supporting block 11;Two line slideways 2 can be straight along two equipped with one
The slide 3 that line guide rail 2 and Z-direction are slided, is that slide 3 is connected with the ball 202 of two line slideways 2 in practice, and be to pass through
The fixed ball 202 of screw (attached drawing does not show screw) slides relative to slide 21 and drives the matching movement of slide 3;On the slide 3
Equipped with cutting head installing plate 4, the lower part of the cutting head installing plate 4 is equipped with cutting head switching installing plate 5, will in actual use
Cutting head is installed in cutting head installing plate 4 or on cutting head switching installing plate 5;Also set between two line slideways 2
There is transmission component 6, be specifically, transmission component 6 is installed in groove 12, and the transmission component 6 is connected with the slide 3
And the driving device 7 with being installed in the support base 1 is sequentially connected, in the present embodiment, driving device 7 is preferably pacified river and is watched
Motor is taken, driving device 7 is installed in the mounting base 13 being placed on 1 top of support base, and the driving device 7 turns
Axis 71 is connected, refer to the attached drawing 1-2 through the mounting base 13 with the transmission component, and the transmission component 6 includes ball screw
61, one end of the ball screw 61 is connected by two clutch shaft bearings 62 with the support base 1, in practice, makes the support
The top (Z-direction) of base 1 is equipped with to open with the position that driving device 7 and mounting base 13 match is formed with bearing mounting hole 14,
Clutch shaft bearing 62 is installed in bearing mounting hole 14, and the end of ball screw 61 through two clutch shaft bearings 62 and is passed through into locking
The opposite lock of nut 63 pushes up, so that ball screw 61 is fixedly mounted with respect to support base 1, (so-called fixed installation refers to ball wire
Bar 61 cannot move in z-direction), meanwhile, the end of ball screw 61 penetrates after two clutch shaft bearings 62 and stretches out and lead to along Z-direction
Cross shaft coupling 64 and the shaft 71 of driving device 7 is sequentially connected；And matching ball screw 61 in the groove 12 of the support base 1
The position of other end termination be equipped with a fixed seat 65, the fixed seat 65 is equipped with a bearing block 66, and in bearing block 66
Second bearing 67 is installed, the other end insertion second bearing 67 of the ball screw 61 can then make the relatively described axis of ball screw 61
Bearing 66, fixed seat 65 and support base 1 are fixed, and clutch shaft bearing 62 and second bearing 67 coordinate, and make 61 phase of ball screw
The support base 1 is fixed, in the present embodiment, the clutch shaft bearing 62 is angular contact bearing, and the second bearing 67 is deep
Ditch ball bearing, and opened on the corner of the bearing block 66 and be formed with four screw holes 661, the fixed seat 65 matches the position of four screw holes 661
Put and be formed with four waist-shaped holes 651;The waist-shaped hole 651 be implanted into bolt (attached drawing do not show, but in this example, the one of bolt
End is formed with external screw thread, and other end nut outer diameter is more than the size of waist-shaped hole 651) and lock in the matched screw hole 661,
The bearing block 66 is fixed with the fixed seat 65 and the concentricity of the clutch shaft bearing 62 and second bearing 67 can be adjusted, and
The concentricity of practical adjustments clutch shaft bearing 62 and second bearing 67 makes finger adjust the bearing block 66 in the fixed seat 65
Position, by varying position of the bearing block 66 in fixed seat 65, the axle center of the bearing block 66 made and the axis of bearing mounting hole 14
The heart is located on same central axes, and after can ensureing that ball screw 61 is installed, its both ends has high concentricity, matches ball screw
High speed rotation;The ball nut 68 that can be slided along ball screw 61, the ball nut are arranged with the ball screw 61
68 are equipped with a nut connecting seat 69, which is connected by screw (attached drawing is not shown) with the slide 3;It is described
Driving device 7 is driven the ball screw 61 and rotates, and the ball nut 68 is matched Z-direction along ball screw 61 and moves, so that
The slide 3 is driven to slide along two line slideways 2, matching drive the cutting head installing plate 4, cutting head switching installing plate 5 and
Cutting head Z-direction moves.Refer to the attached drawing 1-2, in the present embodiment, in order to limit the stroke of slide 3 in z-direction, two straight lines are led
Side (the X-direction of one of them of rail 2）Some optoelectronic switches 8 are additionally provided with, optoelectronic switch 8 is arranged to 3, and 3 in the present embodiment
A optoelectronic switch is installed on an installing plate 9, and the both ends of the Z-direction of installing plate 9 are equipped with an optoelectronic switch 8, two light
Electric switch 8 corresponds to 3 uplink limit switch of slide plate and downlink limit switch, and another optoelectronic switch 8 is then installed in close to uplink
At the position of limit switch, which can be used for initial alignment or stroke to count;And the side (X-direction) of the slide 3
Be installed with sensing side plate 10, it is described sensing side plate 10 match in position with the installing plate 9, and it is described sensing side plate 10 with
With the slide 3 along Z-direction move when with three optoelectronic switches, 8 movable contact and limiting stroke of the slide 3 in Z-direction, specifically
Be when sensing side plate 10 contacted with a certain optoelectronic switch 8, correspond to slide 3 be moved to corresponding position, pass through optoelectronic switch 8
Detection judge, so as to control and limit the movement of slide 3.
The Z-axis transmission mechanism of the present embodiment sets angular contact bearing and deep-groove ball axis respectively at the both ends of ball screw 61
Hold, and deep groove ball bearing is installed in bearing block 66, bearing block 66 is adjustable to be installed in fixed seat 65, by adjusting bearing
66 position in fixed seat 65 of seat, adjusts the concentricity of angular contact bearing and deep groove ball bearing, the ball screw 61 made
Upper and lower side has high concentricity, matches the demand of 61 high-speed rotation of ball screw;Meanwhile the Z-axis transmission mechanism of the present embodiment
During work, noise is small, and slide 3 slides smooth along line slideway 2, and the cutting head made is steady in the movement of Z-direction direction.
Embodiment above simply indicates that rather than limits the utility model, therefore all according to the utility model patent application
The equivalent change or modification that method described in scope is done, is included in the utility model patent application range.
Claims (9)
- A kind of 1. Z-axis transmission mechanism of laser cutting machine, it is characterised in that:Including support base, the side wall of the support base Two line slideways for being arranged in parallel and extending along Z-direction are equipped with, two line slideways can be along two line slideway Z-directions equipped with one The slide of slip, the slide are equipped with cutting head installing plate, and the lower part of the cutting head installing plate is equipped with cutting head switching peace Loading board;Transmission component is additionally provided between two line slideways, the transmission component is connected with the slide and with being installed in institute The driving device stated in support base is sequentially connected, and the driving device can drive the transmission component to be driven the slide along two Line slideway slides, and matching drives the cutting head installing plate, cutting head switching installing plate and the movement of cutting head Z-direction.
- A kind of 2. Z-axis transmission mechanism of laser cutting machine according to claim 1, it is characterised in that:The transmission component Including ball screw, one end of the ball screw is connected by two clutch shaft bearings with the support base, and the other end passes through Two bearings are connected with the bearing block being installed in fixed seat, and the fixed seat is installed on the side wall of the support base, described The end that ball screw is connected with support base is also connected by shaft coupling with the rotating shaft transmission of the driving device, the ball wire The ball nut that can be slided along ball screw is arranged with bar, the ball nut is connected by nut connecting seat and the slide Connect;The driving device is driven the ball screw and rotates, and makes the ball nut Z-direction mobile and drives the slide Z-direction to move It is dynamic.
- A kind of 3. Z-axis transmission mechanism of laser cutting machine according to claim 2, it is characterised in that:The bearing block Opened on corner and be formed with four screw holes, the fixed seat matches and is formed with four waist-shaped holes on the position of four screw holes;In the waist-shaped hole interplantation Enter bolt and lock in the matched screw hole, the bearing block is fixed with the fixed seat and the clutch shaft bearing can be adjusted With the concentricity of second bearing.
- A kind of 4. Z-axis transmission mechanism of laser cutting machine according to claim 2, it is characterised in that:The clutch shaft bearing For angular contact bearing, the second bearing is deep groove ball bearing.
- A kind of 5. Z-axis transmission mechanism of laser cutting machine according to claim 2, it is characterised in that:The nut connection Seat is affixed by screw and the slide.
- A kind of 6. Z-axis transmission mechanism of laser cutting machine according to claim 2, it is characterised in that:The driving device For servomotor.
- A kind of 7. Z-axis transmission mechanism of laser cutting machine according to claim 1, it is characterised in that:The line slideway For square ball line slideway.
- A kind of 8. Z-axis transmission mechanism of laser cutting machine according to claim 1-7 any one, it is characterised in that:Also It is disposed on including some for spacing and detection optoelectronic switch, some optoelectronic switches on an installing plate, the peace Loading board is installed with sensing side plate, the sense positioned at the side of one of two line slideways, the side of the slide in position Answer side plate to match in position with the installing plate, and if the sensing side plate when following the slide Z-direction to move with it is described Dry optoelectronic switch movable contact simultaneously limits stroke of the slide in Z-direction.
- A kind of 9. Z-axis transmission mechanism of laser cutting machine according to claim 8, it is characterised in that:On the installing plate Equipped with three optoelectronic switches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721016356.XU CN207239435U (en) | 2017-08-15 | 2017-08-15 | A kind of Z-axis transmission mechanism of laser cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721016356.XU CN207239435U (en) | 2017-08-15 | 2017-08-15 | A kind of Z-axis transmission mechanism of laser cutting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207239435U true CN207239435U (en) | 2018-04-17 |
Family
ID=61881568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721016356.XU Expired - Fee Related CN207239435U (en) | 2017-08-15 | 2017-08-15 | A kind of Z-axis transmission mechanism of laser cutting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207239435U (en) |
-
2017
- 2017-08-15 CN CN201721016356.XU patent/CN207239435U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180417 Termination date: 20200815 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |