CN205364973U - Running gear of engraver portal frame - Google Patents
Running gear of engraver portal frame Download PDFInfo
- Publication number
- CN205364973U CN205364973U CN201521084140.8U CN201521084140U CN205364973U CN 205364973 U CN205364973 U CN 205364973U CN 201521084140 U CN201521084140 U CN 201521084140U CN 205364973 U CN205364973 U CN 205364973U
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- portal frame
- gear
- gear shaft
- rack
- frame pillar
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Abstract
The utility model provides a running gear of engraver portal frame, running gear two sets of symmetries altogether set up in the both sides of engraver workstation, including setting up at the track of workstation side post and rack, track groove, portal frame pillar, walking motor, support, driving gear, driven gear, gear shaft, the track groove sets firmly on the portal frame pillar, and the walking motor sets firmly on the portal frame pillar through the support, and driving gear and driven gear mesh mutually, still include eccentric sleeve, the gear shaft pass through the rotatable setting of bearing in eccentric sleeve, eccentric sleeve sets firmly on the portal frame pillar, the wheel and rack of gear shaft meshes mutually. The beneficial effects of the utility model are that: the cause the utility model discloses with the gear shaft setting in eccentric sleeve, through rotating eccentric sleeve, but the wheel and rack's of in certain extent adjusting gear axle clearance just makes wheel and rack's meshing reach the optimum to ensure the machining precision of engraver.
Description
Technical field
This utility model belongs to technical field of engraving, is specifically related to the walking mechanism of a kind of engraving machine portal frame.
Background technology
Engraving machine generally comprises workbench and erection portal frame on the table, and portal frame is provided with Carving Machining head, and during Carving Machining, workpiece is fixing on the table, and the quarter of workpiece is painted with realization by portal frame along the direction walking that workbench limits.Usual structure is that both sides arrange tooth bar on the table, portal frame pillar arranges driving mechanism driven gear on tooth bar, rolls to realize the walking of portal frame, the engagement of wheel and rack is often after running a period of time, because of abrasion or because the loosening back lash generation change causing wheel and rack fixed by tooth bar or gear, the machining accuracy of engraving can be produced harmful effect.Traditional portal frame walking mechanism workload when regulating wheel and rack back lash is big, and the time between overhauls(TBO) is long.
Utility model content
For overcoming prior art not enough, this utility model provides the walking mechanism of a kind of engraving machine portal frame, and this walking mechanism can adjust wheel and rack back lash easily, it is ensured that the machining accuracy of engraving machine.
To achieve these goals, the technical solution adopted in the utility model is: the walking mechanism of a kind of engraving machine portal frame, walking mechanism is totally two groups of both sides being symmetricly set on engraving machine workbench, including the track and the tooth bar that are arranged on workbench side post, rail groove, portal frame pillar, movable motor, support, driving gear, driven gear, gear shaft, rail groove is installed on portal frame pillar, movable motor is installed on portal frame pillar by support, driving gear is installed on the axle of movable motor, driven gear is installed in one end of gear shaft, driving gear and driven gear are meshed, also include excentric sleeve, described gear shaft is rotatably provided in excentric sleeve by bearing, excentric sleeve is installed on portal frame pillar, the wheel and rack of gear shaft is meshed.
Further, the flank of tooth of described tooth bar is arranged down.
Further, the flange of described excentric sleeve being provided with 3 arc long slot bores, excentric sleeve is arranged on portal frame pillar by bolt is adjustable.
Preferably, described track and tooth bar are bolted and are arranged on workbench side post.
The beneficial effects of the utility model are: because gear shaft is arranged in excentric sleeve by this utility model, by eccentric rotation axis set, just can regulate the gap of the wheel and rack of gear shaft within the specific limits, make the engagement of wheel and rack reach optimum state, so that it is guaranteed that the machining accuracy of engraving machine.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail.Wherein:
Fig. 1 is front view of the present utility model；
Fig. 2 is right view of the present utility model (removing the side post of engraving machine workbench)；
Fig. 3 is schematic perspective view of the present utility model；
Fig. 4 is excentric sleeve schematic diagram of the present utility model.
Marker number in accompanying drawing illustrates as follows: 1, portal frame pillar；2, rail groove；3, track；4, workbench side post；5, tooth bar；6, gear shaft；7, bearing；8, excentric sleeve；81, arc long slot bore；9, driven gear；10, driving gear；11, support；12, movable motor.
Detailed description of the invention
nullSpecific embodiment of the utility model，As shown in Figure 1 to 4，A kind of walking mechanism of engraving machine portal frame，Walking mechanism is totally two groups of both sides being symmetricly set on engraving machine workbench，Including being bolted the track 3 and tooth bar 5 that are arranged on workbench side post 4、Rail groove 2、Portal frame pillar 1、Movable motor 12、Support 11、Driving gear 10、Driven gear 9、Gear shaft 6，The flank of tooth of tooth bar 5 is arranged down，Rail groove 2 is installed on portal frame pillar 1，Movable motor 12 is installed on portal frame pillar 1 by support 11，Driving gear 10 is installed on the axle of movable motor 12，Driven gear 9 is installed in one end of gear shaft 6，Driving gear 10 and driven gear 9 are meshed，Also include excentric sleeve 8，The flange of excentric sleeve 8 is provided with 3 arc long slot bores 81，Described gear shaft 6 is rotatably provided in excentric sleeve 8 by bearing 7，Excentric sleeve 8 is arranged on portal frame pillar 1 by bolt is adjustable，The wheel and rack 5 of gear shaft 6 is meshed.
During use, portal frame is erected on the portal frame pillar 1 of workbench both sides, when portal frame to move, movable motor 12 synchronous averaging of both sides, it is transferred to gear shaft 6 by gear train, wheel and rack 5 engagement on gear shaft 6 drives portal frame pillar 1 advance along track 3 or retreat, it is achieved the walking of portal frame.When wheel and rack 5 back lash run on a period of time gear shaft 6 changes, by slightly loose for the bolt of fixed eccentric shaft set 8, overlap 8 i.e. adjustable gear shaft 6 by eccentric rotation axis to move up or down, thus reaching to adjust the purpose of wheel and rack 5 back lash of gear shaft 6.
The above; it is only this utility model preferably detailed description of the invention; but protection domain of the present utility model is not limited thereto; any those familiar with the art is in the technical scope that this utility model discloses; the change that can readily occur in or replacement, all should be encompassed within protection domain of the present utility model.
Claims (4)
- null1. the walking mechanism of an engraving machine portal frame，Walking mechanism is totally two groups of both sides being symmetricly set on engraving machine workbench，Including the track (3) and the tooth bar (5) that are arranged on workbench side post (4)、Rail groove (2)、Portal frame pillar (1)、Movable motor (12)、Support (11)、Driving gear (10)、Driven gear (9)、Gear shaft (6)，Rail groove (2) is installed on portal frame pillar (1)，Movable motor (12) is installed on portal frame pillar (1) by support (11)，Driving gear (10) is installed on the axle of movable motor (12)，Driven gear (9) is installed in one end of gear shaft (6)，Driving gear (10) and driven gear (9) are meshed，It is characterized in that: also include excentric sleeve (8)，Described gear shaft (6) is rotatably provided in excentric sleeve (8) by bearing (7)，Excentric sleeve (8) is installed on portal frame pillar (1)，The wheel and rack (5) of gear shaft (6) is meshed.
- 2. the walking mechanism of a kind of engraving machine portal frame according to claim 1, it is characterised in that: the flank of tooth of described tooth bar (5) is arranged down.
- 3. the walking mechanism of a kind of engraving machine portal frame according to claim 1, it is characterized in that: be provided with 3 arc long slot bores (81) on the flange of described excentric sleeve (8), excentric sleeve (8) is arranged on portal frame pillar (1) by bolt is adjustable.
- 4. the walking mechanism of a kind of engraving machine portal frame according to claim 1, it is characterised in that: described track (3) and tooth bar (5) are bolted and are arranged on workbench side post (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521084140.8U CN205364973U (en) | 2015-12-23 | 2015-12-23 | Running gear of engraver portal frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521084140.8U CN205364973U (en) | 2015-12-23 | 2015-12-23 | Running gear of engraver portal frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205364973U true CN205364973U (en) | 2016-07-06 |
Family
ID=56259950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521084140.8U Active CN205364973U (en) | 2015-12-23 | 2015-12-23 | Running gear of engraver portal frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205364973U (en) |
-
2015
- 2015-12-23 CN CN201521084140.8U patent/CN205364973U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |