CN216503691U

CN216503691U - Automatic workpiece-changing numerically controlled lathe suitable for double-head machining

Info

Publication number: CN216503691U
Application number: CN202123080078.3U
Authority: CN
Inventors: 邓立伟
Original assignee: Chongqing Fenglin Intelligent Machinery Equipment Manufacturing Co ltd
Current assignee: Chongqing Fenglin Intelligent Machinery Equipment Manufacturing Co ltd
Priority date: 2021-12-09
Filing date: 2021-12-09
Publication date: 2022-05-13
Anticipated expiration: 2031-12-09

Abstract

The utility model provides an automatic workpiece-changing numerically controlled lathe suitable for double-head machining, which comprises a lathe body, wherein the top surface of the lathe body is provided with a main spindle box, and the main spindle box is rotationally connected with a first main spindle; a slide seat is arranged on one side of the bed body, a carriage is arranged on the bottom surface of the slide seat, the carriage is in sliding connection with the bed body, and the slide seat is in sliding connection with the carriage; one side of the sliding seat is provided with a sliding plate which is connected with the sliding seat in a sliding way; one side of the sliding plate is provided with a first tool apron and a second main shaft; one side of the spindle box is also provided with a second tool apron. This application, install the second main shaft on the tool setting and/or the tool changing subassembly with supporting use of first main shaft, realize second main shaft and first main shaft butt joint conversion spare with the help of the position guiding mechanism of tool setting and/or tool changing subassembly, and will install on the headstock of first main shaft with the supporting tool holder that uses of second main shaft, realize the tool setting of the centre gripping work piece of second main shaft with the help of aforementioned position guiding mechanism again, tool changing and axial feed, no longer need additionally set up a set of displacement mechanism, lathe structure has been simplified, equipment cost is reduced.

Description

Automatic workpiece-changing numerically controlled lathe suitable for double-head machining

Technical Field

The utility model relates to the field of lathes, in particular to an automatic workpiece changing numerical control lathe suitable for double-head machining.

Background

Chinese invention patent publication No. CN110860701B, in 2021, 01 month, 01, discloses "an inclined-lathe-body double-spindle numerically controlled lathe, comprising a protective cover, an inclined lathe body is arranged in the protective cover, and a first spindle assembly and a saddle assembly are arranged on the inclined lathe body; two saddle guide rails and two second main shaft guide rails are arranged on the guide rail mounting surface of the inclined lathe bed, sliding blocks are connected to the saddle guide rails and the second main shaft guide rails in a sliding mode, and a saddle assembly is connected to the saddle guide rails in a sliding mode through the sliding blocks; the second main shaft guide rail is connected with a second main shaft component … … which is arranged opposite to the first main shaft component through a sliding block in a sliding manner, the numerically controlled lathe can finish machining of two ends of a workpiece by clamping the workpiece once, and machining efficiency can be improved.

It can be known from the above patent that, in order to make the second spindle have the displacement capability toward the first spindle so as to implement the butt joint of the exchanged parts, a set of position adjustment mechanism needs to be separately provided for the second spindle, so that the structure of the machine tool is more complicated.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the automatic workpiece changing numerically controlled lathe suitable for double-head machining provided by the utility model solves the technical problem that the existing double-head automatic workpiece changing lathe for shaft parts is complex in structure.

In order to achieve the purpose, the utility model is realized by the following technical scheme:

the automatic workpiece-changing numerically controlled lathe suitable for double-head machining comprises a lathe body, wherein a spindle box is arranged on the top surface of one end of the lathe body in the length direction, and a first spindle is rotatably connected to the spindle box; a sliding seat is arranged on one side of the machine body in the width direction, a carriage is arranged on the bottom surface of the sliding seat, the carriage is in sliding connection with the machine body in a manner of sliding along the length direction of the machine body, and the sliding seat is in sliding connection with the carriage in a manner of sliding along the width direction of the machine body; one side of the sliding seat, which faces the middle part of the bed body, is provided with a sliding plate, and the sliding plate is in sliding connection with the sliding seat in a manner of sliding along the height direction of the bed body;

a first tool apron and a second spindle are arranged on one side, away from the sliding seat, of the sliding plate, and the first tool apron and the second spindle are arranged at intervals along the height direction of the lathe bed; and one side of the main spindle box, which faces the middle part of the lathe body, is also provided with a second tool apron.

Optionally, the top surface of the second tool apron is provided with at least two tool mounting grooves, and the two tool mounting grooves are arranged at intervals along the width direction of the lathe bed.

Optionally, rib plates are respectively arranged on two sides of the bottom surface of the second tool apron, and the rib plates on the two sides and the second tool apron on the top surface of the rib plates surround to form a clearance groove.

Optionally, the second spindle is sleeved with a telescopic cover, and the telescopic cover can extend towards the first spindle to cover the clamping end of the second spindle.

Optionally, the top surface of the lathe bed is further provided with a first guide rail and a second guide rail, the first guide rail and the second guide rail both extend along the length direction of the lathe bed, the first guide rail is located between the second guide rail and the spindle box, the horizontal height of the second guide rail is higher than that of the first guide rail, and the carriage is arranged in a zigzag shape to be respectively in sliding connection with the first guide rail and the second guide rail.

Optionally, the top surface of the machine body is further provided with a chip groove, and the length direction of the chip groove is parallel to the extending direction of the first guide rail.

Optionally, the length of the chip cutting groove is not less than the effective stroke of the carriage.

According to the technical scheme, the utility model has the beneficial effects that:

the utility model provides an automatic workpiece-changing numerically controlled lathe suitable for double-head machining, which comprises a lathe body, wherein a spindle box is arranged on the top surface of one end of the lathe body in the length direction, and a first spindle is rotatably connected to the spindle box; a sliding seat is arranged on one side of the machine body in the width direction, a carriage is arranged on the bottom surface of the sliding seat, the carriage is in sliding connection with the machine body in a manner of sliding along the length direction of the machine body, and the sliding seat is in sliding connection with the carriage in a manner of sliding along the width direction of the machine body; one side of the sliding seat, which faces the middle part of the bed body, is provided with a sliding plate, and the sliding plate is in sliding connection with the sliding seat in a manner of sliding along the height direction of the bed body; one side of the main shaft box, which faces the middle part of the machine body, is also provided with a second tool apron, and the second tool apron is positioned below the first main shaft; one side, deviating from the sliding seat, of the sliding plate is provided with a first tool apron and a second spindle, and the first tool apron and the second spindle are arranged at intervals along the height direction of the lathe bed. This application, install the second main shaft on the tool setting and/or the tool changing subassembly with supporting use of first main shaft, realize second main shaft and first main shaft butt joint conversion spare with the help of the position guiding mechanism of tool setting and/or tool changing subassembly from the area, and will install the cutter saddle that uses with the supporting use of second main shaft on the headstock of first main shaft, realize the tool setting, tool changing and the axial feed of the work piece of centre gripping of second main shaft with the help of the position guiding mechanism of tool setting and/or tool changing subassembly from the area again, no longer need additionally set up a position guiding mechanism, lathe structure has been simplified, equipment cost is reduced.

Drawings

In order to more clearly illustrate the detailed description of the utility model or the technical solutions in the prior art, the drawings that are needed in the detailed description of the utility model or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a schematic perspective view of an automatic parts-changing numerically controlled lathe suitable for double-head machining;

FIG. 2 is an enlarged view taken at A in FIG. 1;

FIG. 3 is an enlarged view at B of FIG. 1;

FIG. 4 is a schematic structural view of a second tool apron;

reference numerals:

1-lathe bed, 2-main spindle box, 3-slide seat, 4-slide plate and 5-carriage;

11-a first guide rail, 12-a second guide rail, 13-a chip cutting groove, 21-a first main shaft, 22-a second tool apron, 41-a first tool apron and 42-a second main shaft;

221-cutter mounting groove, 222-ribbed plate and 421-telescopic cover.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

The first embodiment is as follows:

referring to fig. 1, the automatic workpiece changing numerically controlled lathe suitable for double-head machining provided by the utility model comprises a lathe bed 1, wherein a spindle box 2 is arranged on the top surface of the left end of the lathe bed 1, a first spindle 21 is rotatably connected to the spindle box 2, and a first driving device for driving the first spindle 21 to rotate is arranged on the lathe bed 1. The lathe bed is characterized in that a sliding seat 3 is arranged on the rear side of the lathe bed 1, a carriage 5 is arranged on the bottom surface of the sliding seat 3, the sliding seat 3 is in sliding connection with the carriage 5, a sliding plate 4 is arranged on the front side of the sliding seat 3, and the sliding plate 4 is in sliding connection with the sliding seat 3. Specifically, the carriage 5 can slide left and right on the bed 1, the slide carriage 3 can slide back and forth on the carriage 5, and the slide plate 4 can slide up and down along the slide carriage 3, so that the XYZ three-axis spatial position adjustment of the first tool apron 41 and the second spindle 42 arranged on the surface of the slide plate 4 is realized through the carriage 5, the slide carriage 3 and the slide carriage 4. A first tool holder 41 and a second spindle 42 are arranged on the front side of the sliding plate 4, the first tool holder 41 and the second spindle 42 are arranged at intervals along the height direction of the lathe bed 1, and a second driving device for driving the second spindle 42 to rotate is further arranged on the sliding plate 4; and a second tool apron 22 is also arranged on the right side of the spindle box 2. An alternative arrangement is shown in fig. 2-3, where the second tool holder 22 is located below the first spindle 21 and the first tool holder 41 is located above the second spindle 42. However, it is obvious that the second tool apron 22 may be located above the first spindle 21, and the first tool apron 41 may be located below the second spindle 42, or even the second tool apron 22 may be horizontally spaced from the first spindle 21, and the rest of the location arrangement is not described herein again.

This application, install the second main shaft on the tool setting and/or the tool changing subassembly with supporting use of first main shaft, realize second main shaft and first main shaft butt joint conversion spare with the help of the position guiding mechanism of tool setting and/or tool changing subassembly from the area, and will install the cutter saddle that uses with the supporting use of second main shaft on the headstock of first main shaft, realize the tool setting, tool changing and the axial feed of the work piece of centre gripping of second main shaft with the help of the position guiding mechanism of tool setting and/or tool changing subassembly from the area again, no longer need additionally set up a position guiding mechanism, lathe structure has been simplified, equipment cost is reduced.

Example two:

in this embodiment, a further improvement is made on the basis of the first embodiment, please refer to fig. 1, the top surface of the bed 1 is further provided with a first guide rail 11 and a second guide rail 12, both the first guide rail 11 and the second guide rail 12 extend along the length direction of the bed 1, the first guide rail 11 is located between the second guide rail 12 and the headstock 2, and the horizontal height of the second guide rail 12 is higher than the horizontal height of the first guide rail 11, i.e. a high-low rail is formed; the dragging plate 5 is arranged in a Z shape to be respectively connected with the first guide rail 11 and the second guide rail 12 in a sliding mode, and therefore a dragging plate which is suitable for high and low rails and staggered in height is formed. So that the gravity center of the sliding seat 3 moves downwards, the reliability of the connection between the sliding seat 3 and the lathe bed 1 is increased, the sliding stability of the sliding seat 3 is ensured, and the processing precision is improved.

As a further improvement to the above embodiment, please refer to fig. 4, at least two tool mounting slots 221 are formed in the top surface of the second tool apron 22, the two tool mounting slots 221 are spaced apart along the width direction of the machine tool 1, and the second spindle 42 can perform tool setting and tool changing by means of the carriage 5, the sliding base 3, and the sliding plate 4. Preferably, the two sides of the bottom surface of the second tool apron 22 are respectively provided with a rib plate 222, and the rib plates 222 on the two sides and the second tool apron 22 on the top surface thereof surround to form a clearance groove. On the one hand, the ribs 222 provide structural strength and stability to the holder to resist cutting forces generated by the cutting operation of the tool mounted on the second holder 22; on the other hand, in the spindle and tool rest position setting mode shown in fig. 1, the clearance groove formed by the rib 222 and the tool rest in a surrounding manner can accommodate the clamping end of the second spindle 42 during the cutting process of the tool mounted on the first tool rest 41, so that the clamping accuracy after the tool changer is prevented from being affected by the invasion of chips generated by the cutting operation from above into the clamping end. In order to further prevent chips from entering, if the second spindle 42 is still exposed out of the clearance groove when the first tool apron 41 is cutting, a telescopic cover 421 may be further sleeved on the outer circumference of the second spindle 42, and the telescopic cover 421 may extend toward the first spindle 21 to cover the clamping end of the second spindle 42, specifically when a tool mounted on the first tool apron 41 is cutting the workpiece clamped by the first spindle 21; when the tool mounted on the conversion member and the second tool holder 22 needs to be cut, the retractable cover 421 is retracted to expose the clamping end.

As a further improvement to the above embodiment, referring to fig. 1, a chip cutting groove 13 is further formed on the top surface of the bed 1, and the length direction of the chip cutting groove 13 is parallel to the extending direction of the first guide rail 11. Preferably, the length of the chip groove 13 is not less than the effective stroke of the carriage 5, so that the sliding plate 4 can slide into the chip groove 13, the sliding stroke of the sliding plate 4 is increased, and the position adjustment of the first tool apron 41 and the second spindle 42 is facilitated.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.

Claims

1. An automatic workpiece-changing numerically controlled lathe suitable for double-head machining comprises a lathe body (1) and is characterized in that a main spindle box (2) is arranged on the top face of one end of the lathe body (1) in the length direction, and a first main spindle (21) is rotatably connected to the main spindle box (2); a sliding seat (3) is arranged on one side of the machine body (1) in the width direction, a carriage (5) is arranged on the bottom surface of the sliding seat (3), the carriage (5) is in sliding connection with the machine body (1) in a manner of sliding along the length direction of the machine body (1), and the sliding seat (3) is in sliding connection with the carriage (5) in a manner of sliding along the width direction of the machine body (1); one side of the sliding seat (3) facing the middle part of the bed body (1) is provided with a sliding plate (4), and the sliding plate (4) is in sliding connection with the sliding seat (3) in a manner of sliding along the height direction of the bed body (1);

a first tool apron (41) and a second spindle (42) are arranged on one side, away from the sliding seat (3), of the sliding plate (4), and the first tool apron (41) and the second spindle (42) are arranged at intervals in the height direction of the lathe bed (1); and a second tool apron (22) is further arranged on one side of the spindle box (2) facing the middle part of the lathe bed (1).

2. The automatic workpiece-changing numerically controlled lathe suitable for double-headed machining according to claim 1, wherein the second tool rest (22) is provided at its top surface with at least two tool-mounting grooves (221), and the two tool-mounting grooves (221) are provided at intervals in the width direction of the lathe bed (1).

3. The automatic workpiece-changing numerically controlled lathe suitable for double-headed machining according to claim 1, wherein the second tool apron (22) is provided with ribs (222) on both sides of the bottom surface thereof, and the ribs (222) on both sides and the second tool apron (22) on the top surface thereof surround to form clearance grooves.

4. The automatic workpiece-changing numerically controlled lathe suitable for double-headed machining according to claim 1, characterized in that a telescopic cover (421) is sleeved on the outer periphery of the second spindle (42), and the telescopic cover (421) can extend towards the first spindle (21) to cover the clamping end of the second spindle (42).

5. The automatic workpiece-changing numerically controlled lathe suitable for double-head machining according to any one of claims 1 to 4, characterized in that the top surface of the lathe bed (1) is further provided with a first guide rail (11) and a second guide rail (12), the first guide rail (11) and the second guide rail (12) both extend along the length direction of the lathe bed (1), the first guide rail (11) is located between the second guide rail (12) and the headstock (2), and the horizontal height of the second guide rail (12) is higher than that of the first guide rail (11); the carriage (5) is arranged in a Z shape to be respectively connected with the first guide rail (11) and the second guide rail (12) in a sliding manner.

6. The automatic workpiece-changing numerically controlled lathe suitable for double-headed machining according to claim 5, characterized in that the top surface of the lathe bed (1) is further provided with chip flutes (13), and the length directions of the chip flutes (13) are parallel to the extending direction of the first guide rail (11).

7. The automatic parts-changing numerically controlled lathe for double-headed machining according to claim 6, characterized in that the length of the chip flutes (13) is not less than the effective stroke of the carriage (5).