CN213615260U - Lathe horizontal lead screw retinue strutting arrangement - Google Patents
Lathe horizontal lead screw retinue strutting arrangement Download PDFInfo
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- CN213615260U CN213615260U CN202022712286.XU CN202022712286U CN213615260U CN 213615260 U CN213615260 U CN 213615260U CN 202022712286 U CN202022712286 U CN 202022712286U CN 213615260 U CN213615260 U CN 213615260U
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Abstract
A machine tool horizontal screw rod following supporting device is mainly used for transmission supporting of a machine tool horizontal screw rod. A nut sleeve of the screw rod pair is fixedly connected to the end surface of a machine tool workbench, and a screw rod of the screw rod pair is in threaded connection with the nut sleeve; a guide rail of the linear guide rail pair is fixed on a base of the machine tool body, and the first sliding block and the second sliding block are respectively connected with the guide rail in a sliding manner; the front support and the rear support are respectively connected with the first sliding block and the second sliding block, and the front support and the rear support are connected with the left connecting rod and the right connecting rod. The utility model discloses the screw rod is rotatory to be promoted the nut cover linkage, when making the lathe workstation remove along horizontal axis positive direction, the preceding terminal surface of nut cover and the contact of hitting of preceding support piece to support and nut cover follow-up together after promoting the linkage of preceding support. When the nut sleeve moves in the opposite direction, the rear end face of the nut sleeve is in contact with the collision block II of the rear support, the rear support is pushed to be linked with the front support and follow the nut sleeve together, and the auxiliary support of the screw rod by the front support and the rear support over a certain length is ensured to be stable and reliable.
Description
Technical Field
The utility model relates to a lathe technical field specifically is a retinue auxiliary stay device for horizontal lead screw of lathe.
Background
As is well known, in the field of mechanical equipment, a large number of screw drives are used, and fixed bearing seats are arranged at two ends of a screw, so that the rigidity is improved in a pre-tightening manner. However, if the stroke is large, the lead screw is too long, the lead screw can cause sagging winding degree due to dead weight, and the whole lead screw shakes when the workbench operates due to sagging eccentricity of the lead screw, so that the service life of the lead screw is influenced, and the motion precision of the workbench is influenced.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a machine tool horizontal screw rod accompanying supporting device so as to realize automatic and reliable support of a transmission screw rod.
In order to realize the purpose, the nut sleeve of the screw pair is fixedly connected to the end surface of the machine tool workbench, and the screw rod of the screw pair is in threaded connection with the nut sleeve; a guide rail of the linear guide rail pair is fixed on a base of the machine tool body, and the first sliding block and the second sliding block are respectively connected with the guide rail in a sliding manner; the front support and the rear support are respectively connected with the first sliding block and the second sliding block, and the front support and the rear support are connected with the left connecting rod and the right connecting rod.
The first sliding block is provided with a first connecting block, a first adjusting pad is placed on the first connecting block, a first support is arranged on the first adjusting pad and locked with the first connecting block, a first bearing bush is arranged in the first support, the end face of the first support is connected with a first collision block, and the first collision block is opposite to a nut sleeve; and a second connecting block is arranged on the second sliding block, a second adjusting pad is arranged on the second connecting block, a second support is arranged on the second adjusting pad and locked with the second connecting block, a second bearing bush is arranged in the second support, the end surface of the second support is connected with a second collision block, and the second collision block is opposite to the nut sleeve.
The left connecting rod and the right connecting rod are parallel to each other; the rear ends of the left connecting rod and the right connecting rod are respectively connected with a second connecting block of the rear support, and the lengths of the left connecting rod and the right connecting rod are respectively adjusted through a first adjusting nut and a second adjusting nut to be equal; the front ends of the left connecting rod and the right connecting rod are respectively connected with the first connecting block of the front support and are respectively locked through the first locking nut and the second locking nut.
A screw rod of the screw rod pair is placed on a first bearing bush bearing of the front support seat and a second bearing bush bearing of the rear support; the nut sleeve is arranged between the front support and the rear support.
And the axis of the front supported bearing bush bearing I and the axis of the rear supported bearing bush bearing II are collinear with the axis of the screw rod pair.
Compared with the prior art, the utility model, at the vice transmission in-process of lead screw, the screw rod is rotatory to be promoted the nut cover linkage, when making the lathe workstation remove along horizontal axis positive direction, the preceding terminal surface of nut cover and the contact of hitting of preceding support to support and nut cover follow-up together after promoting the linkage of preceding support. Similarly, when the nut sleeve moves in the opposite direction, the rear end face of the nut sleeve is in contact with the second collision block of the rear support, the rear support is pushed to be linked with the front support to follow the nut sleeve, and the front support and the rear support are guaranteed to support the screw rod in an auxiliary mode in a certain length. The utility model discloses simple structure, it is reliable to the vice driven auxiliary stay of silk pole, the working property is stable, and antifatigue strength is high, very convenient the maintenance.
Drawings
Fig. 1 is a schematic diagram of the connection structure of the present invention.
Fig. 2 is a schematic diagram of an application structure of the present invention.
Fig. 3 is a schematic diagram of the structure of the present invention.
Detailed Description
As shown in fig. 1, fig. 2 and fig. 3, the following auxiliary supporting device of the present invention is installed between the machine tool workbench 200 and the machine tool bed base 100, and mainly comprises a linear guide pair 1, a screw pair 2, a front support 3, a left connecting rod 5, a right connecting rod 6, a rear support 4, etc.
The nut sleeve 21 of the screw pair 2 is fixedly connected to the end surface of the machine tool workbench 200, the screw 22 of the screw pair 2 is in threaded connection with the nut sleeve 21, the screw 22 rotates, and the machine tool workbench 200 is driven to move axially through the nut sleeve 21; a guide rail 11 of the linear guide rail pair 1 is fixed on a base 100 of a machine tool body, and a first sliding block 12 and a second sliding block 13 are respectively in sliding connection with the guide rail 11 and can axially move along the guide rail 11; the front support 3 and the rear support 4 are respectively connected with the first sliding block 12 and the second sliding block 13, and the front support 3 and the rear support 4 are connected with the left connecting rod 5 and the right connecting rod 6.
A first connecting block 31 is arranged on the first sliding block 12, a first adjusting pad 32 is arranged on the first connecting block 31, a first support 33 is arranged on the first adjusting pad 32 and locked with the first connecting block 31, a first bearing bush 34 is arranged in the first support 33, the end surface of the first support 33 is connected with a first collision block 35, and the first collision block 35 faces the nut sleeve 21; a second connecting block 41 is arranged on the second sliding block 13, a second adjusting pad 42 is arranged on the second connecting block 41, a second support 43 is arranged on the second adjusting pad 42 and locked with the second connecting block 41, a second bearing bush 44 is arranged in the second support 43, the end surface of the second support 43 is connected with a second collision block 45, and the second collision block 45 faces the nut sleeve 21; the screw 22 of the screw pair 2 is placed on the first bush bearing 34 of the front support 3 and the second bush bearing 44 of the rear support 4; the nut sleeve 21 is arranged between the front support 3 and the rear support 4; the axis of the first bearing bush bearing 34 of the front support 3 and the axis of the second bearing bush bearing 44 of the rear support 4 are collinear with the axis of the screw 22 of the screw rod pair 2.
The left connecting rod 5 and the right connecting rod 6 are parallel to each other; the rear ends of the left connecting rod 5 and the right connecting rod 6 are respectively connected with a second connecting block 41 of the rear support 4, the lengths of the left connecting rod 5 and the right connecting rod 6 are respectively adjusted through a first adjusting nut 51 and a second adjusting nut 61, and the second support 43 is perpendicular to the left connecting rod 5 and the right connecting rod 6; the front ends of the left connecting rod 5 and the right connecting rod 6 are respectively connected with the first connecting block 31 of the front support 3 and are respectively locked through a first locking nut 52 and a second locking nut 62, and the first support 33 is perpendicular to the left connecting rod 5 and the right connecting rod 6.
In the transmission process of the screw rod pair 2, the screw rod 22 rotates to push the nut sleeve 21 to be linked, and when the machine tool workbench 200 is driven to move along the positive direction of the horizontal axis, the front end surface of the nut sleeve 21 is contacted with the first collision block 35 of the front support 3, and pushes the front support 3 to be linked, and then the rear support 4 follows the nut sleeve 21 together. Similarly, when the nut sleeve 21 moves in the opposite direction, the rear end face of the nut sleeve 21 is in contact with the second collision block 45 of the rear support 4, and pushes the rear support 4 to link the front support 3 and the nut sleeve 21 to follow up together, so that the auxiliary support of the screw 22 by the front support 3 and the rear support over a certain length is ensured.
Claims (5)
1. The utility model provides a horizontal lead screw retinue strutting arrangement of lathe which characterized in that: a nut sleeve (21) of the screw rod pair (2) is fixedly connected to the end surface of the machine tool workbench (200), and a screw rod (22) of the screw rod pair (2) is in threaded connection with the nut sleeve (21); a guide rail (11) of the linear guide rail pair (1) is fixed on a base (100) of a machine tool body, and a first sliding block (12) and a second sliding block (13) are respectively in sliding connection with the guide rail (11); the front support (3) and the rear support (4) are respectively connected with the first sliding block (12) and the second sliding block (13), and the front support (3) and the rear support (4) are connected with the left connecting rod (5) and the right connecting rod (6).
2. The machine tool horizontal screw accompanying support device according to claim 1, characterized in that: a first connecting block (31) is installed on the first sliding block (12), a first adjusting pad (32) is placed on the first connecting block (31), a first support (33) is installed on the first adjusting pad (32) and locked with the first connecting block (31), a first bearing bush bearing (34) is installed in the first support (33), a first collision block (35) is connected to the end face of the first support (33), and the first collision block (35) faces the nut sleeve (21); a second connecting block (41) is arranged on the second sliding block (13), a second adjusting pad (42) is arranged on the second connecting block (41), a second support seat (43) is arranged on the second adjusting pad (42) and locked with the second connecting block (41), a second bearing bush bearing (44) is arranged in the second support seat (43), a second collision block (45) is connected to the end face of the second support seat (43), and the second collision block (45) faces the nut sleeve (21).
3. The machine tool horizontal screw accompanying support device according to claim 1, characterized in that: the left connecting rod (5) and the right connecting rod (6) are parallel to each other; the rear ends of the left connecting rod (5) and the right connecting rod (6) are respectively connected with a second connecting block (41) of the rear support (4), and the lengths of the left connecting rod (5) and the right connecting rod (6) are respectively adjusted through a first adjusting nut (51) and a second adjusting nut (61); the front ends of the left connecting rod (5) and the right connecting rod (6) are respectively connected with a first connecting block (31) of the front support (3) and are respectively locked through a first locking nut (52) and a second locking nut (62).
4. The machine tool horizontal screw accompanying support device according to claim 1, characterized in that: a screw rod (22) of the screw rod pair (2) is placed on a first bearing bush bearing (34) of the front support (3) and a second bearing bush bearing (44) of the rear support (4); the nut sleeve (21) is arranged between the front support (3) and the rear support (4).
5. The machine tool horizontal screw accompanying support device according to claim 1, characterized in that: the axial line of the first bearing bush bearing (34) of the front support (3) and the axial line of the second bearing bush bearing (44) of the rear support (4) are collinear with the axial line of the screw rod (22) of the screw rod pair (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022712286.XU CN213615260U (en) | 2020-11-22 | 2020-11-22 | Lathe horizontal lead screw retinue strutting arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022712286.XU CN213615260U (en) | 2020-11-22 | 2020-11-22 | Lathe horizontal lead screw retinue strutting arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213615260U true CN213615260U (en) | 2021-07-06 |
Family
ID=76635726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022712286.XU Active CN213615260U (en) | 2020-11-22 | 2020-11-22 | Lathe horizontal lead screw retinue strutting arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213615260U (en) |
-
2020
- 2020-11-22 CN CN202022712286.XU patent/CN213615260U/en active Active
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