CN214518227U - Screw rod feeding device of laser processing machine tool - Google Patents
Screw rod feeding device of laser processing machine tool Download PDFInfo
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- CN214518227U CN214518227U CN202022366461.4U CN202022366461U CN214518227U CN 214518227 U CN214518227 U CN 214518227U CN 202022366461 U CN202022366461 U CN 202022366461U CN 214518227 U CN214518227 U CN 214518227U
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Abstract
The utility model relates to a laser beam machining machine tool lead screw material feeding unit, including preceding transmission seat, the fixed servo motor that is provided with in one side of preceding transmission seat, the opposite side is provided with ball screw, the one end that corresponds preceding transmission seat on the ball screw is connected through the shaft coupling that sets up in preceding transmission seat inner chamber and servo motor's transmission end transmission, be provided with the lead screw guard plate between the top of preceding transmission seat and back transmission seat, the terminal surface of lead screw guard plate is the concave type structure that falls of opening down, wears to be equipped with on the lead screw guard plate rather than sliding fit's pay-off base, the pay-off base passes through screw nut and ball screw-thread fit to remove on ball screw through screw nut. The lead screw feeding device of the laser processing machine tool is higher in strength, lower in cost and convenient to manufacture, and meanwhile, the lead screw protection plate can effectively prevent dust at the top from falling onto the ball screw, so that the running environment of the ball screw is guaranteed, and the service life and the running of the ball screw are guaranteed.
Description
Technical Field
The utility model relates to a laser beam machining field especially relates to a laser beam machining machine tool lead screw material feeding unit.
Background
Laser processing is performed by using a laser beam to perform processes such as punching, cutting, scribing, welding, heat treatment, etc. on a material, by focusing the energy of light through a lens to a high energy density at a focal point, and by using a photothermal effect. Laser processing is widely used because it omits a tool, has a high processing speed, a small surface deformation, and can process various materials.
The existing laser processing machine tool has various types, but the processing station generally has two types, one type is fixed and unchangeable in position, and the laser processing machine tool only carries out feeding and blanking at the fixed position; the other type of the laser processing device is movable in position and generally comprises an upper material feeding station, a lower material feeding station and a processing station, wherein a workpiece is fed to the laser processing station through a feeding device after being fed to the upper material feeding station, and is fed to the lower material feeding station through the feeding device after being processed to be discharged. The existing feeding device mostly adopts a screw rod for feeding, the screw rod is driven to rotate by a servo motor, a feeding base matched on the screw rod realizes reciprocating movement through screw rod transmission, but the independent screw rod transmission cannot ensure the stability of the operation of the feeding base, so that a guide rail in sliding fit with the feeding base is required to be arranged at the bottom of the feeding base under the common condition, however, the structural design of the feeding device is a part of space of a laser processing machine tool, structural components are increased, and the manufacturing and maintenance costs of equipment are increased; at present, a screw rod guide rod structure design parallel to a screw rod is added on a feeding base, but the strength of the screw rod guide rod cannot be guaranteed enough, the screw rod guide rod is easy to deform under long-time work, the operation of the feeding base is influenced, and the material requirement of the screw rod guide rod is high, so the use and maintenance cost is increased; and aiming at the two structural forms, the powder generated in laser processing is easy to fall into and adhere to the screw rod, so that the operation of the feeding base on the screw rod is greatly influenced, and the service life of the screw rod is also reduced.
Disclosure of Invention
The utility model aims to solve the technical problem that a laser beam machining machine tool lead screw material feeding unit is provided, when guaranteeing that pay-off base operation is stable, structural optimization, intensity are higher, use cost is low and can play the dust prevention effect to the lead screw.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme: the utility model provides a laser beam machining machine tool lead screw material feeding unit, includes inside hollow preceding transmission seat, the fixed servo motor that is provided with in one side of preceding transmission seat, and this servo motor's transmission end extends in the inner chamber of preceding transmission seat, and the opposite side of preceding transmission seat is provided with ball screw, the one end that corresponds preceding transmission seat on the ball screw is provided with preceding adapter, and the other end is provided with the back adapter, preceding adapter is fixed on preceding transmission seat, and it is connected with servo motor's transmission end transmission through the shaft coupling that sets up in preceding transmission seat inner chamber, the back adapter outside is provided with the back transmission seat, be provided with the lead screw guard plate that the top surface is the rectangle structure between the top of preceding transmission seat and back transmission seat, the terminal surface of lead screw is the down type of falling structure of opening, wears to be equipped with rather than sliding fit's pay-off guard plate on the lead screw guard plate, the below that lies in the lead screw on the pay-off base is provided with the corresponding with preceding adapter and back adapter The ball screw is arranged in the screw nut in a penetrating way and is in threaded fit with the screw nut; the servo motor drives the ball screw to rotate forwards and reversely through the coupler, further drives the screw nut outside the ball screw to move forwards or backwards, and the screw nut drives the feeding base to move and enables the feeding base to keep linear movement through the screw protection plate.
Preferably, a guide limiting hole is formed in the feeding base above the assembling hole, the end face of the guide limiting hole is matched with the end face of the screw rod protection plate in shape from a downward opening to a concave structure, and the screw rod protection plate is in sliding fit with the guide limiting hole.
Preferably, the front adapter comprises a front transmission bearing and two front bearing limiting sleeves arranged on the front side and the rear side of the front transmission bearing; the front transmission bearing is arranged in a bearing hole preset on the front transmission seat, two front bearing limiting sleeves are respectively and fixedly arranged at the front end and the rear end of the bearing hole, and the front end of the ball screw penetrates through the front bearing limiting sleeves and the front transmission bearing to be connected with the coupler; the ball screw is provided with a front limiting nut at the position on the front side of the front transmission bearing, and a front bearing limiting sleeve at the front side of the front transmission bearing is wrapped outside the front limiting nut.
Preferably, the front end of the ball screw, which is matched with the front adapter, is a front cylindrical pin integrally formed with the ball screw, and an external thread matched with the front limiting nut is arranged outside the front cylindrical pin.
Preferably, the ball screw is provided with front lip-shaped sealing rings at the front part of the front limit nut and at the rear part of the front transmission bearing, and the two front bearing limit sleeves are respectively wrapped outside the two front lip-shaped sealing rings.
Preferably, the rear adapter comprises a rear transmission bearing, a rear bearing limiting sleeve arranged on the front side of the rear transmission bearing and a housing arranged on the rear side of the rear transmission bearing; the rear transmission bearing is installed in a bearing hole which is preset in the rear transmission seat, the rear bearing limiting sleeve and the housing are respectively and fixedly sleeved at the front end and the rear end of the bearing hole in the rear transmission seat, the rear end of the ball screw penetrates through the rear bearing limiting sleeve and the rear transmission bearing and extends to the rear side of the rear transmission bearing, a rear limiting nut is arranged on the extending end, and the rear ends of the rear limiting nut and the ball screw are wrapped in the housing.
Preferably, the rear end of the ball screw, which is matched with the rear adapter, is a rear cylindrical pin integrally formed with the ball screw, and an external thread matched with the rear limiting nut is arranged outside the rear cylindrical pin.
Preferably, a rear lip-shaped sealing ring is arranged on the ball screw at the position in front of the rear transmission bearing, and the rear lip-shaped sealing ring is wrapped on the inner side of the rear bearing limiting sleeve.
Preferably, the corresponding surfaces of the front joint head and the rear joint head are respectively provided with an anti-collision pad.
Compared with the prior art, the utility model discloses an useful part is: this kind of laser beam machining machine tool lead screw material feeding unit designs rather than parallel lead screw guard plate above ball screw, the lead screw guard plate intensity is higher in structural design, material cost is lower for the lead screw guide arm, it is more convenient to make, and the structure of its broad width can prevent effectively that the dust at material feeding unit top from falling on ball screw, the environment of ball screw operation has been guaranteed, and then all have the guarantee to ball screw life and operation, overall structure is simple, the structural stability is good, low in manufacturing cost, the trade of being convenient for is popularized.
Drawings
The present invention will be further explained with reference to the accompanying drawings.
FIG. 1 is a schematic structural view of a screw feeding device of a laser processing machine tool of the present invention;
FIG. 2 is a schematic view of the top structure of the screw feeding device of the laser processing machine tool of the present invention;
FIG. 3 is a cross-sectional view of the structure A-A of FIG. 2;
FIG. 4 is an enlarged view of B of FIG. 3;
fig. 5 is an enlarged view of the structure C in fig. 3.
In the figure: 1. a servo motor; 2. a coupling; 3. a preattact; 31. a front bearing stop collar; 32. a front lip-shaped seal ring; 33. a front drive bearing; 34. a front limit nut; 4. a ball screw; 41. a front cylindrical pin; 42. a rear cylindrical pin; 5. a rear transmission seat; 51. a rear bearing seat; 6. a rear adapter; 61. a housing; 62. a rear drive bearing; 63. a rear bearing stop collar; a rear limit nut 64; 65. a rear lip-shaped seal ring; 7. a screw rod protection plate; 8. a feeding base; 81. a guide limiting hole; 82. a feed screw nut; 83. an assembly hole; 9. a front rotary base; 10. and (4) an anti-collision block.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments:
fig. 1 to 3 show a screw feeding device for a laser processing machine tool, which comprises a front transmission seat 9 with a hollow interior, a servo motor 1 is fixedly arranged on one side of the front transmission seat 9, a transmission end of the servo motor extends into an inner cavity of the front transmission seat 9, a ball screw 4 is arranged on the other side of the front transmission seat 9, a front joint 3 is arranged on one end of the ball screw 4 corresponding to the front transmission seat 9, a rear joint 6 is arranged on the other end of the ball screw, the front joint 3 is fixed on the front transmission seat 9 and is in transmission connection with the transmission end of the servo motor through a coupling 2 arranged in the inner cavity of the front transmission seat 9, a rear transmission seat 5 is arranged outside the rear joint 6, a screw protection plate 7 with a rectangular top surface is arranged between the tops of the front transmission seat 9 and the rear transmission seat 5, and the end surface of the screw protection plate 7 is of an inverted concave structure with a downward opening, the structural design greatly enhances the strength of the screw rod protection plate 7, the processing is simpler, the material requirement is not strict than that of a screw rod guide rod, and the use cost of the processing machine is low; a feeding base 8 in sliding fit with the screw rod protection plate 7 is arranged on the screw rod protection plate 7 in a penetrating mode, an assembling hole 83 corresponding to the front connecting head 3 and the rear connecting head 6 is formed in the feeding base 8 and located below the screw rod protection plate 7, and a screw rod nut 82 is fixedly arranged in the assembling hole 83; the ball screw 4 is arranged in the screw nut 82 in a penetrating way and is in threaded fit; the servo motor 1 drives the ball screw 4 to rotate forward and backward through the coupler 2, further drives the screw nut 82 outside the ball screw 4 to move forward or backward, and the screw nut 82 drives the feeding base 8 to move and enables the feeding base 8 to keep moving linearly through the screw protection plate 7.
In order to facilitate the installation of the feeding base 8 and the screw rod protection plate 7 in a sliding fit manner, a guide limiting hole 81 is formed in the feeding base 8 above the assembly hole 83, the end face shape of the guide limiting hole 81 is identical to that of the screw rod protection plate 7, the opening of the guide limiting hole is downward to a concave structure, and the screw rod protection plate 7 is in a sliding fit manner in the guide limiting hole 81.
As shown in fig. 4, the front adapter 3 includes a front transmission bearing 33 and two front bearing stop collars 31 disposed on front and rear sides of the front transmission bearing 33; the front transmission bearing 33 is arranged in a bearing hole preset on the front transmission seat 9, the two front bearing limiting sleeves 31 are respectively and fixedly arranged at the front end and the rear end of the bearing hole, and the front end of the ball screw 4 penetrates through the front bearing limiting sleeves 31 and the front transmission bearing 33 to be connected with the coupler 2; the ball screw 4 is provided with a front limit nut 34 at the front side of the front transmission bearing 33, and the front bearing limit sleeve 31 at the front side of the front transmission bearing 33 is wrapped outside the front limit nut 34.
In order to facilitate the ball screw 4 and the front adapter 3 to be installed in a matched mode and ensure the position stability of the ball screw, a front cylindrical pin 41 which is integrally formed with the ball screw 4 is arranged at the front end, matched with the front adapter 3, of the ball screw 4, and external threads matched with the front limiting nut 34 in a threaded mode are arranged outside the front cylindrical pin 41.
In order to ensure the sealing performance of the front transmission seat 9 and prevent the lubricating oil at the front transmission bearing 33 from seeping out, the ball screw 4 is provided with front lip-shaped sealing rings 32 at the positions in front of the front limit nut 34 and at the positions behind the front transmission bearing 33, and the two front bearing limit sleeves 31 are respectively wrapped outside the two front lip-shaped sealing rings 32.
As shown in fig. 5, the rear adapter 6 includes a rear driving bearing 62, a rear bearing stop collar 63 disposed at a front side of the rear driving bearing 62, and a cover 61 disposed at a rear side of the rear driving bearing 62; the rear transmission bearing 62 is installed in a bearing hole preset in the rear transmission seat 5, the rear bearing limit sleeve 63 and the housing 61 are fixedly sleeved at the front end and the rear end of the bearing hole in the rear transmission seat 5 respectively, the rear end of the ball screw 4 penetrates through the rear bearing limit sleeve 63 and the rear transmission bearing 62 and extends to the rear side of the rear transmission bearing 62, a rear limit nut 64 is arranged at the extending end, and the rear ends of the rear limit nut 64 and the ball screw 4 are wrapped in the housing 61.
In order to facilitate the matching installation of the ball screw 4 and the rear adapter 6 and ensure the position stability of the ball screw, the rear end of the ball screw 4, which is matched with the rear adapter 6, is a rear cylindrical pin 42 integrally formed with the ball screw, and an external thread in threaded fit with the rear limiting nut 64 is arranged outside the rear cylindrical pin 42.
In order to ensure the sealing performance of the rear transmission seat 5 and prevent the lubricating oil at the rear transmission bearing 62 from seeping out, a rear lip-shaped sealing ring 65 is arranged on the ball screw 4 at the front side of the rear transmission bearing 62, and the rear lip-shaped sealing ring 65 is wrapped at the inner side of the rear bearing stop collar 63.
In order to prevent the feeding base 8 from generating hard collision with the front transmission seat 9 and the rear transmission seat 5 when in operation, the corresponding surfaces of the front adapter 3 and the rear adapter 6 are respectively provided with an anti-collision pad 10.
The specific working mode is as follows: the servo motor 1 drives the ball screw 4 to rotate through the coupler 2 in the front transmission seat 9, the front transmission bearing 33 and the rear transmission bearing 62 which are respectively arranged at two ends of the ball screw 4 ensure the stability of the rotation of the ball screw 4, when the ball screw 4 rotates, the screw nut 82 arranged in the feeding base 8 can not rotate along with the rotation of the ball screw 4, and can move under the rotation of the ball screw 4, so that the external feeding base 8 is driven to move, the feeding base 8 keeps linear operation under the limitation of the screw protection plate 7, meanwhile, a certain pressure can be decomposed for the feeding base 8, and the forward and backward movement of the feeding base 8 can be realized through the forward and backward rotation of the ball screw 4; because the width of the screw rod protection plate 7 is larger than that of the ball screw rod 4, the ball screw rod 4 is completely covered below the screw rod protection plate 7, dust falling from the upper side is blocked by the screw rod protection plate 7 and cannot be adhered to the ball screw rod 4, and therefore the dust prevention effect is achieved on the ball screw rod 4 through the screw rod protection plate 7, and the operation environment of the ball screw rod 4 is guaranteed.
This kind of laser beam machining machine tool lead screw material feeding unit designs rather than parallel lead screw guard plate above ball screw, the lead screw guard plate intensity is higher in structural design, material cost is lower for the lead screw guide arm, it is more convenient to make, and the structure of its broad width can prevent effectively that the dust at material feeding unit top from falling on ball screw, the environment of ball screw operation has been guaranteed, and then all have the guarantee to ball screw life and operation, overall structure is simple, the structural stability is good, low in manufacturing cost, the trade of being convenient for is popularized.
It is to be emphasized that: the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any form, and any simple modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (9)
1. The utility model provides a laser beam machining machine tool lead screw material feeding unit, includes inside hollow preceding transmission seat (9), one side of preceding transmission seat (9) is fixed and is provided with servo motor (1), and the transmission end of this servo motor extends in the inner chamber of preceding transmission seat (9), and the opposite side of preceding transmission seat (9) is provided with ball screw (4), the one end that corresponds preceding transmission seat (9) on ball screw (4) is provided with preceding adapter (3), and the other end is provided with back adapter (6), preceding adapter (3) are fixed on preceding transmission seat (9), and it is connected with servo motor's transmission end transmission through shaft coupling (2) that set up in preceding transmission seat (9) inner chamber, back adapter (6) outside is provided with back transmission seat (5), its characterized in that: a screw rod protection plate (7) with a rectangular top surface is arranged between the top of the front transmission seat (9) and the top of the rear transmission seat (5), the end surface of the screw rod protection plate (7) is of an inverted concave structure with a downward opening, a feeding base (8) in sliding fit with the screw rod protection plate is arranged on the screw rod protection plate (7) in a penetrating mode, an assembling hole (83) corresponding to the front connecting head (3) and the rear connecting head (6) is formed in the feeding base (8) and located below the screw rod protection plate (7), a screw nut (82) is fixedly arranged in the assembling hole (83), and the ball screw rod (4) penetrates through the screw nut (82) and is in threaded fit with the screw nut; the servo motor (1) drives the ball screw (4) to rotate forward and backward through the coupler (2) so as to drive the screw nut (82) outside the ball screw (4) to move forward or backward, and the screw nut (82) drives the feeding base (8) to move and enables the feeding base (8) to keep linear movement through the screw protection plate (7).
2. The laser processing machine tool lead screw feeding device of claim 1, wherein: the top that lies in pilot hole (83) on pay-off base (8) is provided with spacing hole of direction (81), the terminal surface shape of the spacing hole of direction (81) is identical with the terminal surface shape of lead screw guard plate (7), is opening spill structure down, lead screw guard plate (7) sliding fit is in the spacing hole of direction (81).
3. The laser processing machine tool lead screw feeding device of claim 1, wherein: the front adapter (3) comprises a front transmission bearing (33) and two front bearing limiting sleeves (31) arranged on the front side and the rear side of the front transmission bearing (33); the front transmission bearing (33) is arranged in a bearing hole preset on the front transmission seat (9), two front bearing limiting sleeves (31) are fixedly arranged at the front end and the rear end of the bearing hole respectively, and the front end of the ball screw (4) penetrates through the front bearing limiting sleeves (31) and the front transmission bearing (33) to be connected with the coupler (2); the ball screw (4) is provided with a front limiting nut (34) at the position located on the front side of the front transmission bearing (33), and a front bearing limiting sleeve (31) arranged on the front side of the front transmission bearing (33) is wrapped outside the front limiting nut (34).
4. The laser processing machine tool lead screw feeding device of claim 3, wherein: the front end of the ball screw (4) matched with the front adapter (3) is a front cylindrical pin (41) integrally formed with the ball screw, and an external thread in threaded fit with the front limiting nut (34) is arranged outside the front cylindrical pin (41).
5. The laser processing machine tool lead screw feeding device of claim 3, wherein: the ball screw (4) is provided with front lip-shaped sealing rings (32) at the front side of the front limiting nut (34) and at the rear side of the front transmission bearing (33), and the two front bearing limiting sleeves (31) are wrapped outside the two front lip-shaped sealing rings (32) respectively.
6. The laser processing machine tool lead screw feeding device of claim 1, wherein: the rear adapter (6) comprises a rear transmission bearing (62), a rear bearing limiting sleeve (63) arranged on the front side of the rear transmission bearing (62) and a housing (61) arranged on the rear side of the rear transmission bearing (62); rear drive bearing (62) are installed in the bearing hole of predetermineeing on rear drive seat (5), rear bearing stop collar (63) and housing (61) are fixed respectively and cup joint the front and back both ends in bearing hole on rear drive seat (5), the rear end of ball screw (4) passes rear bearing stop collar (63) and rear drive bearing (62) and extends rear drive bearing (62) rear side, should extend to serve and be provided with back stop nut (64), the rear end of back stop nut (64) and ball screw (4) all is wrapped up in housing (61).
7. The laser processing machine tool lead screw feeding device of claim 6, wherein: the rear end of the ball screw (4) matched with the rear joint head (6) is provided with a rear cylindrical pin (42) which is integrally formed with the ball screw, and the outer part of the rear cylindrical pin (42) is provided with an external thread which is in threaded fit with the rear limiting nut (64).
8. The laser processing machine tool lead screw feeding device of claim 6, wherein: the ball screw (4) is provided with a rear lip-shaped sealing ring (65) at the position on the front side of the rear transmission bearing (62), and the rear lip-shaped sealing ring (65) is wrapped on the inner side of a rear bearing limiting sleeve (63).
9. The laser processing machine tool lead screw feeding device of claim 1, wherein: and the corresponding surfaces of the front joint head (3) and the rear joint head (6) are provided with anti-collision pads (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022366461.4U CN214518227U (en) | 2020-10-22 | 2020-10-22 | Screw rod feeding device of laser processing machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022366461.4U CN214518227U (en) | 2020-10-22 | 2020-10-22 | Screw rod feeding device of laser processing machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214518227U true CN214518227U (en) | 2021-10-29 |
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ID=78229642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022366461.4U Active CN214518227U (en) | 2020-10-22 | 2020-10-22 | Screw rod feeding device of laser processing machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214518227U (en) |
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2020
- 2020-10-22 CN CN202022366461.4U patent/CN214518227U/en active Active
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