CN221849348U - Open center frame fine adjustment device - Google Patents

Abstract

The utility model discloses an open center frame fine adjustment device which comprises an open center base, a screw rod and two bearings sleeved on the outer side wall of the screw rod, wherein two sliding grooves are formed in the top of the open center base, a first threaded rod is rotatably connected to the inner side wall of each sliding groove, and the two first threaded rods are in transmission connection through a first synchronous belt. According to the utility model, under the interaction of the open center base, the screw rod, the bearing, the first threaded rod, the first synchronous belt, the transverse moving block, the longitudinal moving block and the second threaded rod, the transverse moving block is enabled to transversely move by rotating the first threaded rod, the transverse moving block is enabled to conveniently adjust the screw rod to transversely move, the longitudinal moving block is enabled to longitudinally move by rotating the second threaded rod, and the longitudinal moving block is enabled to conveniently adjust the screw rod to longitudinally move.

Description

Open center frame fine adjustment device

Technical Field

The utility model relates to the technical field of an open center frame, in particular to a fine-tuning device for an open center frame.

Background Art

At present, most open center frames used for heavy lathes and roll lathes at home and abroad are double-screw structures, which move the roller bracket by rotating the double screws on the center frame to support workpieces of different diameters.

When adjustment is needed, one roller bracket needs to be moved first to make its roller close to the outer circle of the workpiece, and then the other roller bracket needs to be adjusted to make the roller close to the other side of the workpiece to achieve the supporting effect. However, this double-screw structure takes up a large space, and the double screws need to be rotated separately during adjustment, which takes a long time and the adjustment force is insufficient. Therefore, we proposed an open center frame fine-tuning device to solve the above problems.

Utility Model Content

The utility model aims to overcome the deficiencies in the above-mentioned background technology and proposes an open center frame fine-tuning device.

In order to achieve the above purpose, the utility model adopts the following technical solutions:

The cam is provided with two guide rails which are provided with a plurality of guide rails, the guide rails having a plurality of guide rails each having a plurality of guide rails, and the guide rails are provided with a plurality of guide rails each having a plurality of guide rails.

Preferably, the first threaded rod end and the second threaded rod end are both fixedly connected with a round handle.

Preferably, a first threaded hole adapted to the first threaded rod is opened on the outer wall of the transverse moving block, and the outer wall of the first threaded rod and the inner wall of the first threaded hole are threadedly connected. A second threaded hole adapted to the second threaded rod is opened on the outer wall of the longitudinal moving block, and the outer wall of the second threaded rod and the inner wall of the second threaded hole are threadedly connected.

Preferably, the outer walls of the two first threaded rods are each provided with a first pulley compatible with the first synchronous belt, the outer walls of the two second threaded rods located on the same lateral moving block are each provided with a second pulley compatible with the second synchronous belt, and the outer walls of the two second threaded rods located on the same side of the two lateral moving blocks are each provided with a third pulley compatible with the third synchronous belt.

Preferably, the two fixing grooves are symmetrically arranged on both sides of the longitudinal moving block.

The beneficial effects of the utility model are:

Under the interaction of the open center base, the screw, the bearing, the first threaded rod, the first synchronous belt, the lateral moving block, the longitudinal moving block and the second threaded rod, the lateral moving block is moved laterally by rotating the first threaded rod, so that the lateral moving block can be adjusted to move the screw laterally, and then the longitudinal moving block is moved longitudinally by rotating the second threaded rod, so that the longitudinal moving block can be adjusted to move the screw longitudinally. This method of adjusting the position of the screw saves time and effort, and is more practical and convenient.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic structural diagram of an open center frame fine-tuning device proposed in the present invention;

FIG2 is a top view of the open center frame fine-tuning device proposed by the present invention;

FIG. 3 is a side view of a support plate in the open center frame fine-tuning device proposed in the present invention.

In the figure: 1. open center base; 2. lead screw; 3. bearing; 4. slide groove; 5. first threaded rod; 6. first synchronous belt; 7. lateral moving block; 8. support plate; 9. fixing groove; 10. longitudinal moving block; 11. fixing hole; 12. second threaded rod; 13. second synchronous belt; 14. third synchronous belt; 15. round handle.

DETAILED DESCRIPTION

The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

Referring to Fig. 1-3, the open center frame fine adjustment device comprises an open center base 1 and a lead screw 2 and two bearings 3 sleeved on the outer wall of the lead screw 2. Two slide grooves 4 are provided on the top of the open center base 1. The inner wall of the slide groove 4 is rotatably connected with a first threaded rod 5. The two first threaded rods 5 are connected by a first synchronous belt 6. The two bearings 3 are provided to facilitate the rotation of the lead screw 2.

A transverse moving block 7 is threadedly sleeved on the outer wall of the first threaded rod 5 and slides with the inner wall of the slide groove 4. Two support plates 8 are fixedly connected to the top of the transverse moving block 7. The outer wall of the support plate 8 is provided with a fixing groove 9. The inner walls of the two fixing grooves 9 are slidably connected with the same longitudinal moving block 10. The two fixing grooves 9 are symmetrically arranged on both sides of the longitudinal moving block 10.

A fixing hole 11 is provided on the outer wall of the longitudinal moving block 10, the outer wall of the bearing 3 is fixedly connected to the inner wall of the fixing hole 11, a second threaded rod 12 is rotatably connected to the bottom of the fixing groove 9, and a round handle 15 is fixedly connected to the end of the first threaded rod 5 and the end of the second threaded rod 12;

A first threaded hole matched with the first threaded rod 5 is formed on the outer wall of the transverse moving block 7, and the outer wall of the first threaded rod 5 is threadedly connected with the inner wall of the first threaded hole; a second threaded hole matched with the second threaded rod 12 is formed on the outer wall of the longitudinal moving block 10, and the outer wall of the second threaded rod 12 is threadedly connected with the inner wall of the second threaded hole;

The longitudinal moving block 10 is threadedly sleeved on the outer side walls of the two second threaded rods 12. The two second threaded rods 12 on the same transverse moving block 7 are connected by a second synchronous belt 13. The two second threaded rods 12 on the same side of the two transverse moving blocks 7 are connected by a third synchronous belt 14.

The outer walls of the two first threaded rods 5 are both sleeved with a first pulley compatible with the first synchronous belt 6, the outer walls of the two second threaded rods 12 located on the same lateral moving block 7 are both sleeved with a second pulley compatible with the second synchronous belt 13, and the outer walls of the two second threaded rods 12 located on the same side of the two lateral moving blocks 7 are both sleeved with a third pulley compatible with the third synchronous belt 14.

The functional principle of the utility model can be explained through the following operation modes:

The initial state of the device is shown in FIG1 . When the position of the lead screw 2 needs to be adjusted laterally, only one of the circular handles 15 located at the bottom needs to be rotated. The circular handle 15 located at the bottom drives one of the first threaded rods 5 to rotate. The two first threaded rods 5 are driven by the first synchronous belt 6. The two first threaded rods 5 drive the two lateral moving blocks 7 to move laterally at the bottom of the slide groove 4, thereby adjusting the position of the lead screw 2.

When the position of the screw 2 needs to be adjusted longitudinally, one of the circular handles 15 located on the top is rotated, and the circular handle 15 located on the top drives one of the second threaded rods 12 to rotate. The two second threaded rods 12 are driven by the second synchronous belt 13, and the two horizontal second threaded rods 12 are also driven by the third synchronous belt 14. The two second threaded rods 12 drive the longitudinal moving block 10 to move longitudinally in the fixed groove 9, thereby adjusting the position of the screw 2.

The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims (5)

1. An open center frame fine-tuning device, comprising an open center base (1) and a lead screw (2) and two bearings (3) sleeved on the outer side wall of the lead screw (2), characterized in that two slide grooves (4) are provided on the top of the open center base (1), the inner side wall of the slide groove (4) is rotatably connected with a first threaded rod (5), the two first threaded rods (5) are connected by a first synchronous belt (6), the outer side wall of the first threaded rod (5) is threadedly sleeved with a lateral moving block (7) that slides with the inner side wall of the slide groove (4), the top of the lateral moving block (7) is fixedly connected with two support plates (8), the outer side wall of the support plate (8) is provided with a fixing groove (9), the two fixing The inner wall of the groove (9) is slidably connected to a longitudinal moving block (10), an outer wall of the longitudinal moving block (10) is provided with a fixing hole (11), the outer wall of the bearing (3) and the inner wall of the fixing hole (11) are fixedly connected, a second threaded rod (12) is rotatably connected to the inner bottom of the fixing groove (9), the longitudinal moving block (10) is threadedly sleeved on the outer walls of the two second threaded rods (12), the two second threaded rods (12) located on the same transverse moving block (7) are connected by a second synchronous belt (13), and the two second threaded rods (12) located on the same side of the two transverse moving blocks (7) are connected by a third synchronous belt (14). 2. The open center frame fine-tuning device according to claim 1 is characterized in that a round handle (15) is fixedly connected to the end of the first threaded rod (5) and the end of the second threaded rod (12). 3. The open center frame fine-tuning device according to claim 1 is characterized in that a first threaded hole compatible with the first threaded rod (5) is opened on the outer wall of the lateral moving block (7), and the outer wall of the first threaded rod (5) and the inner wall of the first threaded hole are threadedly connected; a second threaded hole compatible with the second threaded rod (12) is opened on the outer wall of the longitudinal moving block (10), and the outer wall of the second threaded rod (12) and the inner wall of the second threaded hole are threadedly connected. 4. The open center frame fine-tuning device according to claim 1 is characterized in that the outer walls of the two first threaded rods (5) are both sleeved with a first pulley compatible with the first synchronous belt (6), the outer walls of the two second threaded rods (12) located on the same lateral moving block (7) are both sleeved with a second pulley compatible with the second synchronous belt (13), and the outer walls of the two second threaded rods (12) located on the same side of the two lateral moving blocks (7) are both sleeved with a third pulley compatible with the third synchronous belt (14). 5. The open center frame fine-tuning device according to claim 1 is characterized in that the two fixing grooves (9) are symmetrically arranged on both sides of the longitudinal moving block (10).