CN219357954U - Double-screw beam lifting mechanism of vertical lathe - Google Patents
Double-screw beam lifting mechanism of vertical lathe Download PDFInfo
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- CN219357954U CN219357954U CN202222888624.4U CN202222888624U CN219357954U CN 219357954 U CN219357954 U CN 219357954U CN 202222888624 U CN202222888624 U CN 202222888624U CN 219357954 U CN219357954 U CN 219357954U
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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
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- 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
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Abstract
The utility model relates to a double-screw beam lifting mechanism of a vertical lathe, which comprises screws vertically arranged on the front surface of a vertical lathe upright post and used for lifting and lowering a beam, wherein the beams are in threaded fit with the screws, the screws are symmetrically arranged left and right, a group of linkage mechanisms is arranged at the top of each screw, a driving mechanism capable of being fixedly arranged at the top of the upright post is arranged at the middle part between the two groups of linkage mechanisms, a motor capable of driving the driving mechanism to rotate is arranged at the rear side of the driving mechanism, two transversely arranged second transmission shafts are symmetrically arranged at the left and right sides, and the left and right second transmission shafts are respectively in transmission connection with the left and right groups of linkage mechanisms. The double-screw beam lifting mechanism of the vertical lathe is simple in structure, convenient to operate, high in design bearing capacity, stable in operation, good in heat dissipation effect, and not easy to deform, improves the machining precision of the whole lathe, prolongs the service life, reduces the maintenance cost, and improves the working efficiency.
Description
Technical Field
The utility model relates to a vertical lathe beam lifting mechanism, in particular to a vertical lathe double-screw beam lifting mechanism.
Background
The spindle axis of the vertical lathe is vertical, is used for processing large and heavy workpieces with large radial size, relatively small axial size and complex shape, and mainly comprises a stand, a beam, a vertical tool rest, an operating platform and the like, wherein the stand is fixedly connected with the stand, and the beam is vertically movably arranged on the stand through a beam lifting mechanism.
The beam lifting mechanism is mainly a screw transmission mechanism, the transmission mechanism can be used for the field of turning and milling compound machine tools besides large vertical lathes, and the large vertical lathes and the turning and milling compound machine tools drive the beam to move up and down in a linear manner through rotation of a screw in the screw transmission mechanism, so that workpieces are machined.
At present, screw transmission mechanisms for driving a cross beam to move up and down in a large vertical lathe and a turning and milling compound machine tool on the market are of a single type, namely, the cross beam is driven to move up and down through the screw transmission mechanism with one screw rod, the screw transmission mechanism with the single screw rod structure is small in bearing pressure and poor in heat dissipation effect, balls of the screw rod in the screw transmission mechanism are stressed in the friction process with the screw rod, thermal deformation is easily generated in the screw rod, the positioning precision of the machine tool is further influenced, the service life of the whole screw transmission mechanism is prolonged, and the maintenance cost is increased.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a double-screw beam lifting mechanism of a vertical lathe, which has high bearing pressure and is not easy to deform.
In order to solve the technical problems, the utility model is realized by the following technical scheme: the utility model provides a vertical lathe twin-screw crossbeam elevating system, includes the vertical screw rod that is used for the crossbeam to go up and down to move about in vertical lathe stand front, the crossbeam with screw thread fit between the screw rod, the screw rod has two, bilateral symmetry sets up in the front of stand, every screw rod top is provided with a set of link gear, and the middle part between two sets of link gear is provided with the actuating mechanism that can fixed mounting at the stand top, the actuating mechanism rear side is provided with and can drive its pivoted motor, and bilateral symmetry is provided with two second transmission shafts that transversely set up, control two the second transmission shaft respectively with control two sets of link gear transmission connection, the motor passes through actuating mechanism drive second transmission shaft rotation, and the second transmission shaft passes through the link gear drive that is connected with it and is corresponding screw rod corotation or reversal to drive with screw thread fit's crossbeam rises or descends to move about.
Further, the motor is in transmission connection with the driving mechanism through a transmission belt; the driving mechanism consists of a first transmission shaft, a bearing and an upper bearing seat; the first transmission shaft is transversely arranged, the center of the first transmission shaft is in transmission connection with the transmission belt, and the left end and the right end of the first transmission shaft are in transmission connection with two second transmission shafts which are symmetrically arranged left and right through a first coupling respectively; the bearing has two, and fixed setting is close to the position of controlling both ends on first transmission shaft respectively, and two bearings bilateral symmetry with the axis center of first transmission shaft, the bolster bearing has two sets of, cup joints respectively and fixes the outside at two bearings, and its bottom can fixed connection at the top of stand.
Further, a driving belt wheel is fixedly arranged on a rotating shaft of the motor, the driving belt wheel corresponds to the center of the first transmission shaft in a front-back mode, a driven belt wheel corresponding to the driving belt wheel in a front-back mode is fixedly arranged on the center of the first transmission shaft, and the transmission belt is sleeved between the driven belt wheel and the driving belt wheel corresponding to the driving belt wheel in the front-back mode.
Further, the linkage mechanism consists of a second coupler and a speed reducer which are in transmission connection with each other; the second shaft coupling is in transmission connection with a corresponding second transmission shaft, and the speed reducer is in transmission connection with the top of a corresponding screw rod.
Further, the screw rod is movably connected with the position, close to the top, of the front face of the upright post through a bearing, the lower end of the screw rod is provided with a lower bearing seat which can be fixedly arranged on the vertical lathe base, and the screw rod is movably connected with the lower bearing seat through a bearing.
Further, the top of screw rod is higher than the top of stand, link gear passes through fixing base fixed mounting at the top of stand.
Further, an organ type sheath which is made of rubber materials and has an up-down elastic telescopic function is sleeved on the screw below the cross beam.
Compared with the prior art, the utility model has the following advantages: the double-screw beam lifting mechanism of the vertical lathe is simple in structure, convenient to operate, high in design bearing capacity, stable in operation, good in heat dissipation effect, and not easy to deform, improves the machining precision of the whole lathe, prolongs the service life, reduces the maintenance cost, and improves the working efficiency.
Drawings
The utility model is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of the front structure of a double-screw beam lifting mechanism of a vertical lathe;
fig. 2 is a schematic top view of a double-screw beam lifting mechanism of a vertical lathe.
In the figure: 1. a column; 2. a cross beam; 3. a driving mechanism; 31. a driven pulley; 32. a first drive shaft; 33. a bearing; 34. an upper bearing seat; 4. a screw; 41. a sheath; 42. a lower bearing seat; 5. a second drive shaft; 6. a first coupling; 7. a linkage mechanism; 71. a second coupling; 72. a speed reducer; 8. a motor; 81. a driving pulley; 9. a drive belt.
Detailed Description
The utility model is described in detail below with reference to the attached drawings and detailed description:
the double-screw beam lifting mechanism of the vertical lathe shown in fig. 1 and 2 comprises a screw 4 vertically arranged on the front surface of a vertical lathe upright 1 and used for lifting and lowering a beam 2, and the beam 2 is in threaded fit with the screw 4; in order to ensure that the screw 4 is not influenced by the interference of the upright 1 and the rotation of the screw is not influenced by the interference of the upright 1, the screw 4 is movably connected with the upright 1 at a position close to the top through a bearing, the lower end of the screw is provided with a lower bearing seat 42 which can be fixedly arranged on a vertical lathe base, the lower bearing seat 42 is fixedly arranged on the vertical lathe base through a bolt, the screw 4 is movably connected with the lower bearing seat 42 through a bearing, and the screw 4 can be prevented from being interfered when rotating through a bearing arranged up and down; in order to improve the stability of the up-and-down operation of the cross beam 2, the accuracy of the position and the bearing capacity, the two screws 4 are symmetrically arranged on the front surface of the upright 1, the cross beam 2 is in threaded fit connection with the left and right connecting screws 4, a group of linkage mechanisms 7 are arranged at the top of each screw 4, a driving mechanism 3 which can be fixedly arranged at the top of the upright 1 is arranged at the middle part between the two groups of linkage mechanisms 7, a motor 8 which can drive the driving mechanism 3 to rotate is arranged at the rear side of the driving mechanism 3, the motor 8 can be an electric motor, two transversely arranged second transmission shafts 5 are symmetrically arranged at the left and right sides of the driving mechanism 3, the left and right second transmission shafts 5 are respectively in transmission connection with the left and right two groups of linkage mechanisms 7, the design bearing capacity of a double-screw structure is reduced, the friction coefficient is good, the heat dissipation effect of the naked design is low, and the service life of the screw 4 is ensured; in order to ensure that the motor 8 can drive the driving mechanism 3 to work, the motor 8 is in transmission connection with the driving mechanism 3 through a transmission belt 9; in order to facilitate the driving mechanism 3 to effectively drive the second transmission shaft 5 to rotate, the driving mechanism 3 consists of a first transmission shaft 32, a bearing 33 and an upper bearing seat 34; the first transmission shaft 32 is transversely arranged, the center of the first transmission shaft 32 is in transmission connection with the transmission belt 9, in order to ensure that the transmission belt 9 can transmit the power of the motor 8 to the first transmission shaft 32, a driving belt pulley 81 is fixedly arranged on a rotating shaft of the motor 8, the driving belt pulley 81 corresponds to the center of the first transmission shaft 32 front and back, a driven belt pulley 31 corresponding to the driving belt pulley 81 front and back is fixedly arranged on the center of the first transmission shaft 32, the transmission belt 9 is sleeved between the driven belt pulley 31 and the driving belt pulley 81 corresponding to the front and back, the motor 8 drives the driving belt pulley 81 to rotate through the rotating shaft, the driving belt pulley 81 drives the driven belt pulley 31 to rotate through the transmission belt 9, the driven belt pulley 31 drives the first transmission shaft 32 to synchronously rotate, and the motor 8 can drive the first transmission shaft 32 to rotate forward or overturn through forward rotation or overturn of the rotating shaft; the left end and the right end of the first transmission shaft 32 are in transmission connection with two second transmission shafts 5 which are symmetrically arranged left and right through a first coupler 6 respectively, and the two second transmission shafts 5 at the two ends of the first transmission shaft 32 can be driven to synchronously rotate when the first transmission shaft 32 rotates; in order to facilitate the installation of the first transmission shaft 32 and prevent interference during rotation of the first transmission shaft after the installation, the two bearings 33 are respectively and fixedly arranged on the first transmission shaft 32 at positions close to the left end and the right end, the two bearings 33 are bilaterally symmetrical about the axis center of the first transmission shaft 32, the two groups of upper bearing seats 34 are respectively sleeved and fixed outside the two bearings 33, the bottoms of the upper bearing seats can be fixedly connected to the top of the upright column 1, and the two groups of upper bearing seats 34 which are symmetrically arranged ensure the stability of the first transmission shaft 32 after the installation; in order to enable the second transmission shaft 5 to drive the screw 4 on the corresponding side to rotate, the linkage mechanism 7 consists of a second coupler 71 and a speed reducer 72 which are in transmission connection with each other; the second shaft coupling 71 is in transmission connection with the corresponding second transmission shaft 5, and the speed reducer 72 is in transmission connection with the top of the corresponding screw 4; when the second transmission shaft 5 rotates, the corresponding speed reducer 72 is driven to rotate by the second coupling 71 connected with the second transmission shaft, and the speed reducer 72 drives the screw 4 connected with the speed reducer to rotate; in order to facilitate the fixed installation of the linkage mechanism 7 on the upright 1, the top of the screw 4 is higher than the top of the upright 1, the linkage mechanism 7 is fixedly installed on the top of the upright 1 through a fixing seat, and further, a speed reducer 72 in the linkage mechanism 7 in transmission connection with the screw 4 is fixedly installed on the top of the upright 1 through bolts.
In order to prevent splash metal scraps from adhering to the screw 4 to influence the up-down operation of the cross beam 2 during lathe processing, an organ type protective sleeve 41 which is made of rubber materials and has an up-down elastic telescopic function is sleeved at a position, below the cross beam 2, of the screw 4, when the cross beam 2 ascends, the protective sleeve 41 is sprung upwards after being decompressed, and when the cross beam 2 descends, the protective sleeve 41 is pressed downwards, so that the protective sleeve 41 can effectively ascend synchronously with the cross beam 2, the protection of the protective sleeve on the screw 4 is ensured, and the top of the protective sleeve 41 can be fixedly connected to the bottom of the cross beam 2.
During operation, the motor 8 drives the driving belt pulley 81 to rotate through the rotating shaft, the driving belt pulley 81 drives the driven belt pulley 31 to rotate through the driving belt 9, the driven belt pulley 31 drives the first transmission shaft 32 to synchronously rotate, the first transmission shaft 32 drives the second transmission shafts 5 at two ends of the first transmission shaft through the first coupling 6 to synchronously rotate, the second transmission shafts 5 drive the speed reducer 72 in transmission connection with the second coupling 71 to rotate through the second coupling 71, finally the speed reducer 72 drives the screw 4 in transmission connection with the speed reducer to rotate, the forward rotation or the overturning of the motor 8 can be linked to drive the forward rotation or the overturning of the screw 4, and finally the forward rotation or the overturning of the screw 4 drives the cross beam 2 in threaded fit with the screw 4 to lift or descend vertically.
The double-screw beam lifting mechanism of the vertical lathe is simple in structure, convenient to operate, high in design bearing capacity, stable in operation, good in heat dissipation effect, and not easy to deform, improves the machining precision of the whole lathe, prolongs the service life, reduces the maintenance cost, and improves the working efficiency.
It is emphasized that: the above embodiments are merely preferred embodiments of the present utility model, and the present utility model is not limited in any way, and any simple modification, equivalent variation and modification made to the above embodiments according to the technical substance of the present utility model still fall within the scope of the technical solution of the present utility model.
Claims (7)
1. The utility model provides a vertical lathe twin-screw crossbeam elevating system, includes vertical setting in vertical lathe stand (1) openly be used for screw rod (4) of crossbeam (2) oscilaltion activity, crossbeam (2) with screw thread fit between screw rod (4), its characterized in that: the screw rods (4) are arranged on the front surface of the upright post (1) in a bilateral symmetry mode, a group of linkage mechanisms (7) are arranged at the top of each screw rod (4), a driving mechanism (3) which can be fixedly arranged at the top of the upright post (1) is arranged at the middle part between the two groups of linkage mechanisms (7), motors (8) which can drive the driving mechanism (3) are arranged on the rear side of the driving mechanism, two transversely arranged second transmission shafts (5) are symmetrically arranged on the left side and the right side, the left side and the right side of the second transmission shafts (5) are respectively in transmission connection with the left and the right groups of linkage mechanisms (7), the motors (8) drive the second transmission shafts (5) to rotate through the driving mechanism (7) connected with the second transmission shafts (5), and accordingly the corresponding screw rods (4) are driven to rotate positively or reversely, and the cross beams (2) which are in threaded fit with the screw rods (4) are driven to move upwards or downwards.
2. The double-screw beam lifting mechanism of the vertical lathe according to claim 1, wherein the motor (8) is in transmission connection with the driving mechanism (3) through a transmission belt (9); the driving mechanism (3) consists of a first transmission shaft (32), a bearing (33) and an upper bearing seat (34); the first transmission shaft (32) is transversely arranged, the center of the first transmission shaft is in transmission connection with the transmission belt (9), and the left end and the right end of the first transmission shaft are in transmission connection with two second transmission shafts (5) which are symmetrically arranged left and right through a first coupling (6); the two bearings (33) are fixedly arranged on the first transmission shaft (32) at positions close to the left end and the right end respectively, the two bearings (33) are bilaterally symmetrical with the axis center of the first transmission shaft (32), the two upper bearing seats (34) are provided with two groups, the two groups of upper bearing seats are respectively sleeved and fixed outside the two bearings (33), and the bottoms of the upper bearing seats can be fixedly connected to the top of the upright post (1).
3. The double-screw beam lifting mechanism of the vertical lathe according to claim 2, wherein a driving pulley (81) is fixedly arranged on a rotating shaft of the motor (8), the driving pulley (81) corresponds to the center of the first transmission shaft (32) front and back, a driven pulley (31) corresponding to the driving pulley (81) front and back is fixedly arranged at the center of the first transmission shaft (32), and the transmission belt (9) is sleeved between the driven pulley (31) corresponding to the front and back and the driving pulley (81).
4. The double-screw beam lifting mechanism of the vertical lathe according to claim 1, wherein the linkage mechanism (7) consists of a second coupler (71) and a speed reducer (72) which are in transmission connection with each other; the second shaft couplings (71) are in transmission connection with the corresponding second transmission shafts (5), and the speed reducers (72) are in transmission connection with the tops of the corresponding screw rods (4).
5. The double-screw beam lifting mechanism of the vertical lathe according to claim 1, wherein the screw (4) is movably connected with the position, close to the top, of the front surface of the upright post (1) through a bearing, a lower bearing seat (42) capable of being fixedly installed on a vertical lathe base is arranged at the lower end of the double-screw beam lifting mechanism, and the screw (4) is movably connected with the lower bearing seat (42) through a bearing.
6. The double-screw beam lifting mechanism of the vertical lathe according to claim 1 is characterized in that the top of the screw (4) is higher than the top of the upright post (1), and the linkage mechanism (7) is fixedly arranged at the top of the upright post (1) through a fixing seat.
7. The double-screw beam lifting mechanism of the vertical lathe according to claim 1, wherein an organ type sheath (41) which is made of rubber materials and has an up-down elastic telescopic function is sleeved on the screw (4) at a position below the beam (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222888624.4U CN219357954U (en) | 2022-10-31 | 2022-10-31 | Double-screw beam lifting mechanism of vertical lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222888624.4U CN219357954U (en) | 2022-10-31 | 2022-10-31 | Double-screw beam lifting mechanism of vertical lathe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219357954U true CN219357954U (en) | 2023-07-18 |
Family
ID=87139967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222888624.4U Active CN219357954U (en) | 2022-10-31 | 2022-10-31 | Double-screw beam lifting mechanism of vertical lathe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219357954U (en) |
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2022
- 2022-10-31 CN CN202222888624.4U patent/CN219357954U/en active Active
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