CN222344227U - Machine tool tailstock with center driving and adjusting device - Google Patents

Abstract

The utility model discloses a machine tool tailstock with a center driving adjustment device, which relates to the technical field of machine tool tailstocks, including a base and a center tailstock body, wherein the surface of the base is provided with an adjustment slide that slides left and right, and the center tailstock body slides up and down on the upper side of the adjustment slide, and left and right scissor racks are provided between the center tailstock body and the lower adjustment slide, and a plurality of latching teeth are fixed on the lower side of the front and rear ends of the center tailstock body. The machine tool tailstock adjustment device provided in the utility model can realize the rapid adjustment of the upper and lower heights and left and right positions of the center tailstock, so that the center tailstock corresponds to the axis of the workpiece to be processed, and can be adjusted quickly and accurately according to the size and shape of the workpiece, thereby improving the convenience and flexibility of operation, and the structure between the locking bolt and the upper screw rod can realize the rapid synchronous fixation after adjusting the height and the left and right positions.

Description

Machine tool tailstock with center driving and adjusting device

Technical Field

The utility model relates to the technical field of machine tool tailstocks, in particular to a machine tool tailstock with a center driving and adjusting device.

Background

The tailstock of a machine tool refers to a part mounted on a machine tool workbench for supporting and fixing a workpiece, and is generally used for supporting the other end of the workpiece so as to ensure that the workpiece remains stable during processing, and a center for supporting the workpiece is mounted on the tailstock. The existing machine tool tailstock is inconvenient to adjust and correspond to the center of the machined workpiece, a plurality of adjustment steps often exist, the fixed operation is complex after adjustment, and the machining efficiency of the workpiece is greatly slowed down by moving the workpiece to adapt to the tailstock center in the traditional mode. Therefore, the utility model provides a lathe tailstock of top drive adjusting device in order to solve the problem that mentions in the above-mentioned background art.

Disclosure of utility model

The utility model aims to solve the defects in the prior art, and provides a machine tool tailstock with a center driving and adjusting device.

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

The utility model provides a take top drive adjusting device's lathe tailstock, includes base and top tailstock body, the base surface is provided with the gliding regulation slide of side to side, top tailstock body slides from top to bottom in adjusting the slide upside, is provided with two scissors rest from side to side between top tailstock body and the downside adjusting the slide, and top tailstock body front and back end downside all is fixed with a plurality of latches, and the upside all is provided with the fixture block that corresponds the latch around the adjusting the slide.

Preferably, nuts are arranged at the front end and the rear end of the adjusting slide seat, corresponding locking bolts are arranged on the nuts, grooves corresponding to the locking bolts are formed in two sides of the base, and the nuts at the upper side are rotated into the locking bolts to fix the positions of the adjusting slide seat on the base.

Preferably, two sliding blocks are arranged in the adjusting sliding seat, the left and right lower ends of the scissor rest respectively rotate with the sliding blocks at two sides, the middle part of the scissor rest is in switching connection with the adjusting sliding seat at the lower side, the left and right parts of the upper side of the scissor rest are in switching connection with the tip tailstock body, and the scissor rest is telescopic by folding or keeping away from the sliding blocks at two sides.

Preferably, the clamping block slides left and right on the adjusting sliding seat, and a spring is arranged between the outer side of the clamping block and the inner portion of the adjusting sliding seat, and the spring controls the clamping block to keep corresponding inner tooth grooves against each other.

Preferably, the upper portion outside the clamping block is provided with a collision block which slides up and down on the adjusting slide seat, the inner thread of the collision block is connected with a screw rod, and the screw rod controls the collision block to move downwards, so that the outward movement of the clamping block is limited.

Preferably, the lower end part of the screw rod is provided with a limiting groove, a limiting jack corresponding to the lower end of the screw rod is formed in the upper end of the locking bolt, and the locking bolt drives the screw rod on the upper side through the limiting groove and the limiting jack.

Preferably, the head of the locking bolt is sleeved with a gasket.

Compared with the prior art, the utility model has the beneficial effects that:

1. The machine tool tailstock adjusting device provided by the utility model can realize the rapid adjustment of the upper and lower heights and the left and right positions of the center tailstock, so that the center corresponds to the axis of a machined workpiece, the rapid and accurate adjustment can be performed according to the size and the shape of the workpiece, and the convenience and the flexibility of operation are improved;

2. According to the utility model, through the structure between the locking bolt and the upper screw rod, the quick synchronous fixation after the height adjustment and the left and right positions are realized, the machine tool tailstock can provide high stability and machining precision, ensure that a workpiece keeps good position and posture in the machining process, and is suitable for workpieces needing high-precision machining.

Drawings

Fig. 1 is a schematic structural view of a tailstock of a machine tool with a center driving and adjusting device;

Fig. 2 is a schematic side view of a tailstock of a machine tool with a center driving and adjusting device according to the present utility model;

Fig. 3 is a schematic diagram of a front cross-sectional structure of a tailstock of a machine tool with a center driving and adjusting device.

In the figure, 1, a base; 2, an adjusting slide seat, 3, a center tailstock body, 4, a scissor frame, 5, a slide block, 6, a locking bolt, 7, a screw rod, 8, a collision block, 9, a limit groove, 10, a gasket, 11, a latch, 12, a clamping block, 13 and a spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-3, a machine tool tailstock with a center driving adjusting device comprises a base 1 and a center tailstock body 3, wherein a left-right sliding adjusting slide seat 2 is arranged on the surface of the base 1, the center tailstock body 3 slides up and down on the upper side of the adjusting slide seat 2, a left shear rest 4 and a right shear rest 4 are arranged between the center tailstock body 3 and the lower side adjusting slide seat 2, two sliding blocks 5 are arranged in the adjusting slide seat 2, the left end and the right end of the shear rest 4 respectively rotate with the two side sliding blocks 5, the middle part of the shear rest 4 is in transfer connection with the lower side adjusting slide seat 2, the left part and the right part of the upper side of the shear rest 4 are in transfer connection with the center tailstock body 3, the shear rest 4 stretches out and draws in through folding or moving away from the two side sliding blocks 5, and therefore the up-down height adjustment of the upper side center tailstock body 3 is realized, and meanwhile, the middle shear rest 4 structure can keep stable support on the center tailstock body 3;

Further, referring to fig. 3, a plurality of latches 11 are fixed at the lower sides of the front and rear ends of the tailstock body 3, a clamping block 12 corresponding to the latches 11 is arranged at the front and rear upper sides of the adjusting slide seat 2, the clamping block 12 slides left and right on the adjusting slide seat 2, a spring 13 is arranged between the outer side of the clamping block 12 and the inside of the adjusting slide seat 2, the spring 13 controls the clamping block 12 to keep corresponding inner side tooth grooves to collide, and when the tailstock height is adjusted up and down, the clamping block 12 is always under the elastic action of the outer side spring 13 and is clamped into the tooth grooves formed by the latches 11 at corresponding positions, so that the pre-fixing of the height of the tailstock body 3 on the adjusting slide seat 2 is realized;

Further, referring to fig. 1 and 2, an abutting block 8 sliding up and down on the adjusting slide 2 is arranged at the upper part of the outer side of the clamping block 12, the screw 7 is connected with the screw rod 7 in an internal thread way, the screw rod 7 controls the abutting block 8 to move down, and further, the outward movement of the clamping block 12 is limited, the abutting block 8 blocks the outward movement channel of the clamping block 12, and further, the clamping block 12 is tightly clamped in a tooth socket at a corresponding position, and further, the height of the center tailstock body 3 on the adjusting slide 2 is locked;

Still further, referring to fig. 1 and 3, the lower end portion of the screw rod 7 is separately provided with a limit groove 9, the upper end of the locking bolt 6 is internally provided with a limit jack corresponding to the lower end of the screw rod 7, the locking bolt 6 is driven by the upper screw rod 7 through the limit groove 9 and the limit jack, a gasket 10 is sleeved at the head of the locking bolt 6, the locking bolt 6 is screwed into the nut, the gasket 10 is tightly attached to the left and right lower sides of the base 1, the position of the adjusting slide seat 2 on the base 1 is fixed, the screw rod 7 at the upper end is linked in the process of rotating and lifting the locking bolt 6, and a certain distance is reserved between the lower end of the screw rod 7 and the internal jack of the locking bolt 6, so that the upper screw rod 7 cannot be interfered when the locking bolt 6 is lifted.

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 (7)

1. The utility model provides a take top drive adjusting device's lathe tailstock, includes base (1) and top tailstock body (3), its characterized in that, base (1) surface is provided with the regulation slide (2) of side-to-side, top tailstock body (3) slide from top to bottom in regulation slide (2) upside, are provided with two scissors rest (4) about between top tailstock body (3) and downside regulation slide (2), and top tailstock body (3) front and back end downside all is fixed with a plurality of latches (11), and the upside all is provided with fixture block (12) of corresponding latch (11) around adjusting slide (2).

2. The machine tool tailstock with the center driving and adjusting device according to claim 1, wherein nuts are arranged at the front end and the rear end of the adjusting sliding seat (2), corresponding locking bolts (6) are arranged on the nuts, grooves corresponding to the locking bolts (6) are formed in two sides of the base (1), and the position of the adjusting sliding seat (2) is fixed on the base (1) by rotating the locking bolts (6) into the nuts at the upper side.

3. The machine tool tailstock with the center driving and adjusting device according to claim 1, wherein two sliding blocks (5) are arranged in the adjusting sliding seat (2), the left and right lower ends of the scissor frame (4) respectively rotate with the two side sliding blocks (5), the middle part of the scissor frame (4) is connected with the lower side adjusting sliding seat (2), the left and right upper part of the scissor frame (4) is connected with the center tailstock body (3), and the scissor frame (4) stretches out and draws back by folding or keeping away from the two side sliding blocks (5).

4. The machine tool tailstock with the center driving and adjusting device according to claim 1, wherein the clamping block (12) slides on the adjusting slide seat (2) left and right, a spring (13) is arranged between the outer side of the clamping block (12) and the inner side of the adjusting slide seat (2), and the spring (13) controls the clamping block (12) to keep abutting against the corresponding inner side tooth slot.

5. The machine tool tailstock with the center driving and adjusting device according to claim 1, wherein an abutting block (8) which slides up and down on the adjusting sliding seat (2) is arranged on the upper portion of the outer side of the clamping block (12), a screw rod (7) is connected with the inner thread of the abutting block (8), and the screw rod (7) controls the abutting block (8) to move downwards so as to limit the outer movement of the clamping block (12).

6. The machine tool tailstock with the center driving and adjusting device according to claim 5, wherein a limiting groove (9) is formed in the lower end portion of the screw rod (7) in a separated mode, a limiting insertion hole corresponding to the lower end of the screw rod (7) is formed in the upper end of the locking bolt (6), and the locking bolt (6) drives the upper screw rod (7) through the limiting groove (9) and the limiting insertion hole.

7. Machine tool tailstock with tip drive adjustment device according to claim 2, characterized in that the lock bolt (6) head is sleeved with a washer (10).