CN219541804U - Lead screw supporting structure of engraving and milling machine - Google Patents
Lead screw supporting structure of engraving and milling machine Download PDFInfo
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- CN219541804U CN219541804U CN202320587123.4U CN202320587123U CN219541804U CN 219541804 U CN219541804 U CN 219541804U CN 202320587123 U CN202320587123 U CN 202320587123U CN 219541804 U CN219541804 U CN 219541804U
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- engraving
- supporting
- screw rod
- screw
- portal frame
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model relates to the technical field of screw rod support, and discloses a screw rod support structure of a engraving and milling machine, which comprises a machine tool body, wherein a movable portal frame is arranged at the upper end of the machine tool body, a machine head for engraving and milling a die is movably arranged on the portal frame, a long screw rod is connected in the portal frame, a driving assembly is arranged on the machine head, the driving assembly is in transmission connection with a screw nut, the screw nut is in threaded connection with the long screw rod, the lower end of the machine head is connected with a collision block, two L-shaped support blocks are symmetrically and rotatably connected at the inner bottom of the portal frame through two groups of rotating assemblies, the lengths of two sides of the support blocks are consistent, and the upper ends of the support blocks are movably arranged on the wall of the long screw rod. The utility model supports the long screw rod through the supporting block without influencing the movement of the machine head, and prevents the long screw rod from swinging and sagging, thereby influencing the engraving and milling of the machine head on the die.
Description
Technical Field
The utility model relates to the technical field of screw support, in particular to a screw support structure of a engraving and milling machine.
Background
The engraving and milling machine is one of numerical control machine tools, when a die is machined, the engraving and milling machine is often needed to be used for engraving and milling the die, a screw rod is fixedly installed on a portal frame of the engraving and milling machine, a machine head is arranged on the screw rod, and a driving screw nut is used for rotating on the screw rod, so that the machine head moves on the screw rod. Because engraving and milling machine equipment body type is great, need large-scale lead screw to carry out the transmission, and the lead screw size is great, under self gravity effect, take place swing and sagging very easily to make the aircraft nose position take place the skew, influence engraving and milling machine aircraft nose to engraving and milling processing of mould.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provides a screw rod supporting structure of a engraving and milling machine.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the screw rod supporting structure of engraving and milling machine comprises a machine tool body, wherein a movable portal frame is arranged at the upper end of the machine tool body and can move on the machine tool body, a machine head for engraving and milling a die is movably arranged on the portal frame, the machine head performs engraving and milling processing on the die placed on the machine tool body,
the inside of the portal frame is connected with a long screw rod, the machine head is provided with a driving component, the driving component is in transmission connection with a screw nut, the screw nut is in threaded connection with the long screw rod, the driving component drives the screw nut to rotate on the long screw rod so as to drive the machine head to move,
the lower extreme of aircraft nose is connected with the collision piece, the interior bottom of portal frame is connected with two supporting shoe of "L" through two sets of rotating assembly symmetry rotations, two limit lengths of supporting shoe are unanimous, just the upper end activity of supporting shoe sets up on the thick stick wall of long lead screw, supports long lead screw through the supporting shoe, and long lead screw can sag under self gravity to press in the upper end of supporting shoe, if long lead screw does not sag, keep 1mm interval between supporting shoe and the long lead screw, satisfy the rotation demand of supporting shoe.
Preferably, the driving assembly comprises a driving motor, the driving motor is installed in the machine head, the output end of the driving motor is connected with a driving wheel through a coupling, a driven wheel is fixedly sleeved with a nut, the driving wheel is connected with the driven wheel through belt transmission, the driving motor drives the driving wheel to rotate, the driven wheel is driven to rotate through transmission of a belt, and then the nut is driven to rotate.
Preferably, the supporting groove has been seted up to the tip of supporting shoe, the both sides of supporting groove run through and set up, long lead screw passes the supporting groove setting, and long lead screw's thick stick wall activity sets up the tank bottom at the supporting groove, keeps 1mm interval between long lead screw and the cell wall of supporting groove, supports spacingly long lead screw through the supporting groove, prevents long lead screw from taking place the swing.
Preferably, the bottom of the supporting groove is provided with an inclined plane, and when the supporting block rotates, the supporting groove is prevented from contacting with the filament rod when rotating through the inclined plane.
Preferably, the rotating assembly comprises a rotating shaft, the rotating shaft is fixedly connected in the portal frame, a matched rotating hole is formed in the position, corresponding to the rotating shaft, of the corner of the supporting block, the rotating shaft penetrates through the rotating hole to be arranged, the supporting block is rotationally connected to the rotating shaft, limiting rings are symmetrically and movably arranged on two sides of the supporting block, the limiting rings are fixedly sleeved on the shaft wall of the rotating shaft, and the supporting block is prevented from being shifted in the rotating shaft through limiting of the limiting rings.
Preferably, the inner bottom of the portal frame is symmetrically connected with two rubber blocks relative to the rotating assembly, the horizontal end of the lower end of the supporting block is arranged at the upper end of one rubber block, the supporting block is limited and supported through the rubber block, and when the supporting block contacts with the rubber block, the supporting block cannot rotate any more, so that hard contact with the long screw rod is prevented when the supporting block swings.
Compared with the prior art, the utility model provides the screw rod supporting structure of the engraving and milling machine, which has the following beneficial effects:
this carving mills lead screw bearing structure of machine supports spacingly to long lead screw through the supporting shoe, prevents that long lead screw from taking place to swing and sagging, influences the carving of aircraft nose to the mould and mills processing, when the aircraft nose moves on long lead screw, can promote the supporting shoe and rotate, and the other end of supporting shoe continues to support long lead screw, when not influencing the aircraft nose and remove, prevents that long lead screw from taking place to swing and sagging, influences the carving of aircraft nose to the mould and mills processing.
The device has the advantages that the device is not related to the parts which are the same as or can be realized by adopting the prior art, the long screw is supported by the supporting block while the movement of the machine head is not influenced, and the long screw is prevented from swinging and sagging, so that the engraving and milling of the machine head on the die are influenced.
Drawings
FIG. 1 is a schematic diagram of a engraving and milling machine;
FIG. 2 is a schematic diagram of the positional relationship between a screw support structure and a engraving and milling machine;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is a schematic view of the positional relationship between the support block and the rotating assembly;
fig. 5 is a schematic diagram of the positional relationship between the support block and the rubber block.
In the figure: 1. a machine tool body; 2. a portal frame; 3. a machine head; 4. a long lead screw; 5. a nut; 6. an impact block; 7. a support block; 8. a driving motor; 9. a driving wheel; 10. driven wheel; 11. a belt; 12. a support groove; 13. an inclined plane; 14. a rotating shaft; 15. a rubber block; 16. and a limiting ring.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments.
Referring to fig. 1 to 5, a screw rod supporting structure of a engraving and milling machine comprises a machine tool body 1, a movable portal frame 2 is arranged at the upper end of the machine tool body 1, the portal frame 2 can move on the machine tool body 1, a machine head 3 for engraving and milling a mould is movably arranged on the portal frame 2, the machine head 3 performs engraving and milling processing on the mould placed on the machine tool body 1,
the long screw 4 is connected to the portal frame 2, a driving component is installed on the machine head 3, the driving component is connected with the screw 5 in a transmission mode, the screw 5 is connected to the long screw 4 in a threaded mode, the driving component drives the screw 5 to rotate on the long screw 4, and then the machine head 3 is driven to move, the driving component comprises a driving motor 8, the driving motor 8 is installed in the machine head 3, the output end of the driving motor 8 is connected with a driving wheel 9 through a coupling, the screw 5 is fixedly sleeved with a driven wheel 10, the driving wheel 9 is connected with the driven wheel 10 in a transmission mode through a belt 11, the driving motor 8 drives the driving wheel 9 to rotate, the driven wheel 10 is driven to rotate through the transmission of the belt 11, and then the screw 5 is driven to rotate, and when the screw 5 rotates, the machine head 3 is driven to move on the long screw 4 according to the rotation direction.
The lower extreme of aircraft nose 3 is connected with collision piece 6, the interior bottom of portal frame 2 is connected with two supporting shoe 7 of "L" through two sets of rotating assembly symmetry rotations, rotating assembly includes axis of rotation 14, axis of rotation 14 fixed connection is in portal frame 2, the assorted rotation hole has been seted up to the corner of supporting shoe 7's position of corresponding axis of rotation 14, axis of rotation 14 passes the rotation hole setting, and supporting shoe 7 rotates and connects on axis of rotation 14, the bilateral symmetry activity of supporting shoe 7 is equipped with spacing ring 16, spacing ring 16 is fixed to cup joint on the axial wall of axis of rotation 14, spacing through spacing ring 16 to supporting shoe 7 prevents that supporting shoe 7 from taking place the aversion on axis of rotation 14.
The inner bottom of the portal frame 2 is symmetrically connected with two rubber blocks 15 about a rotating assembly, the lower horizontal end of the supporting block 7 is arranged at the upper end of one rubber block 15, the supporting block 7 is limited and supported through the rubber block 15, and when the supporting block 7 contacts with the rubber block 15, the supporting block 7 cannot rotate any more, so that hard contact with the filament lever 4 is prevented when the supporting block 7 swings.
The length of two sides of supporting shoe 7 is unanimous, and the upper end activity of supporting shoe 7 sets up on the thick stick wall of long lead screw 4, supports long lead screw 4 through supporting shoe 7, long lead screw 4 sags under self action of gravity to press the upper end at supporting shoe 7, if long lead screw 4 does not sags, keep 1mm interval between supporting shoe 7 and the long lead screw 4, satisfy the rotation demand of supporting shoe 7.
The supporting groove 12 has been seted up to the tip of supporting shoe 7, the both sides of supporting groove 12 run through the setting, long lead screw 4 passes supporting groove 12 and sets up, and long lead screw 4's thick stick wall activity sets up the tank bottom at supporting groove 12, keep 1mm interval between long lead screw 4 and the cell wall of supporting groove 12, it is spacing to support long lead screw 4 through supporting groove 12, prevent long lead screw 4 from taking place the swing, the tank bottom of supporting groove 12 is provided with inclined plane 13, when supporting shoe 7 rotates, avoid the supporting groove 12 to rotate through inclined plane 13 between take place to contact with long lead screw 4.
Working principle: the long lead screw 4 is supported and limited through the supporting block 7, the long lead screw 4 is prevented from swinging and sagging, the machine head 3 is influenced to carry out engraving and milling processing on the die, when the machine head 3 moves on the long lead screw 4, the machine head 3 can drive the collision block 6 to synchronously move, the vertical end of the supporting block 7 can be collided in the moving process when the collision block 6 is used for pushing the supporting block 7 to rotate, when the collision block 6 is separated from the collided supporting block 7, the supporting block 7 can continuously rotate under the action of self gravity until the other end of the supporting block 7 rotates to the position below the long lead screw 4 to carry out supporting and limiting, the machine head 3 is not influenced to move, the long lead screw 4 is prevented from swinging and sagging through the supporting block 7, and the machine head 3 is influenced to carry out engraving and milling processing on the die.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The screw rod supporting structure of the engraving and milling machine comprises a machine tool body, and is characterized in that the upper end of the machine tool body is provided with a movable portal frame, a machine head for engraving and milling a mould is movably arranged on the portal frame,
the portal frame is internally connected with a long screw rod, the machine head is provided with a driving component, the driving component is in transmission connection with a screw nut, the screw nut is in threaded connection with the long screw rod,
the lower extreme of aircraft nose is connected with the collision piece, the interior bottom of portal frame is connected with two piece "L" supporting shoe through two sets of rotating assembly symmetry rotations, two limit lengths of supporting shoe are unanimous, just the upper end activity of supporting shoe sets up on the thick stick wall of long-thread screw.
2. The screw rod supporting structure of an engraving and milling machine according to claim 1, wherein the driving assembly comprises a driving motor, the driving motor is installed in the machine head, an output end of the driving motor is connected with a driving wheel through a coupling, a driven wheel is fixedly sleeved with a nut, and the driving wheel is connected with the driven wheel through a belt transmission.
3. The screw supporting structure of engraving and milling machine according to claim 1, wherein the end of the supporting block is provided with a supporting groove, two sides of the supporting groove are penetrated, the long screw passes through the supporting groove, and the wall of the long screw is movably arranged at the bottom of the supporting groove.
4. A screw support structure of an engraving and milling machine according to claim 3, wherein the bottom of the support groove is provided with an inclined surface.
5. The screw rod supporting structure of engraving and milling machine according to claim 1, wherein the rotating assembly comprises a rotating shaft, the rotating shaft is fixedly connected in the portal frame, a matched rotating hole is formed in the corner of the supporting block corresponding to the position of the rotating shaft, the rotating shaft penetrates through the rotating hole, the supporting block is rotatably connected to the rotating shaft, limiting rings are symmetrically and movably arranged on two sides of the supporting block, and the limiting rings are fixedly sleeved on the shaft wall of the rotating shaft.
6. The screw supporting structure of an engraving and milling machine according to claim 1, wherein two rubber blocks are symmetrically connected to the inner bottom of the portal frame with respect to the rotating assembly, and the lower horizontal end of the supporting block is disposed at the upper end of one of the rubber blocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320587123.4U CN219541804U (en) | 2023-03-23 | 2023-03-23 | Lead screw supporting structure of engraving and milling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320587123.4U CN219541804U (en) | 2023-03-23 | 2023-03-23 | Lead screw supporting structure of engraving and milling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219541804U true CN219541804U (en) | 2023-08-18 |
Family
ID=87704882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320587123.4U Active CN219541804U (en) | 2023-03-23 | 2023-03-23 | Lead screw supporting structure of engraving and milling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219541804U (en) |
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2023
- 2023-03-23 CN CN202320587123.4U patent/CN219541804U/en active Active
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