CN218135250U - Screw seat sliding support mechanism and double-spindle single-cutter tower turning and milling combined machine tool - Google Patents

Abstract

The utility model discloses a compound lathe of lead screw seat sliding support mechanism and two main shaft single-cutter tower turnning and milling, including lathe body, sword tower slide and be used for driving sword tower slide at the gliding drive arrangement of lathe body level, drive arrangement includes motor, horizontal lead screw and lead screw seat, and the bottom cooperation horizontal lead screw of sword tower slide is provided with the screw thread seat, and the bottom detachable of screw thread seat is provided with the connecting seat, and the bottom of connecting seat is provided with the support assembly that rolls. The utility model discloses be provided with the roll supporting component bottom the screw thread seat of current sword tower slide, benefit from the setting of roll supporting component, can directly take horizontal lead screw out along the horizontal direction, at the in-process of taking out, the screw thread seat forms the rolling friction effect with the help of rolling between supporting component and the horizontal bearing face, not only can not cause any damage to the surface of lathe body, can reduce the dismouting degree of difficulty of horizontal lead screw and screw thread seat moreover, has improved maintenance efficiency.

Description

Screw seat sliding support mechanism and double-spindle single-tool tower turning and milling combined machine tool

Technical Field

The utility model relates to a digit control machine tool technical field especially relates to a screw seat sliding support mechanism and two main shaft single-tool tower turn-milling compound lathe.

Background

Turning and milling are advanced cutting processing methods which utilize the resultant motion of milling cutter rotation and workpiece rotation to achieve the use requirements of the workpiece in various aspects such as shape precision, position precision, processed surface integrity and the like.

As shown in fig. 1 and 2, in a conventional structure, the structure comprises a machine table 1-1 and a turret lower slide 1-2 which is arranged on the machine table 1-1 and can horizontally slide, wherein a horizontal slide rail 1-3 is arranged on the machine table 1-1, a slide block is arranged on the turret lower slide 1-2 in a manner of matching with the horizontal slide rail 1-3, a driving mechanism for giving a sliding driving force to the turret lower slide 1-2 is arranged on the machine table 1, the driving mechanism comprises a driving motor 1-4, a lead screw 1-5 and a slide block 1-6 arranged on the turret lower slide 1-2, wherein the driving motor 1-4 is arranged on the machine table 1-1, one end of the lead screw 1-5 is connected with the driving motor 1-4 through a coupler, the other end of the lead screw 1-5 is rotatably connected with a bearing seat 1-7 arranged on the machine table 1-1, the lead screw 1-5 is in threaded connection with the slide block 1-6, wherein the situation of abrasion is inevitable in frequent movement friction between the lead screw 1-5 and the slide block 1-6, and the slide block 1-6 are separated from the machine table 1-1, and the slide block 1-6 are separated when the lead screw 1-5 and the lower slide block 1-2 are detached, and the machine table 1-6 are separated.

However, the above-mentioned lead screws 1 to 5 have certain problems when taken out: for a plurality of wider lower knife tower sliding seats 1-2, the span of the lower knife tower sliding seats in the length direction of a lead screw 1-5 can reach more than 60mm, and due to the fact that other structures are arranged on a machine tool, the actual operation space is not sufficient, so that the lead screw 1-5 can only be taken out in a mode of direct rightward drawing, but when the lead screw 1-5 is drawn, after the lead screw 1-5 is separated from a support on the front side of a driving motor 1-4, the lead screw 1-5 can generate a small-amplitude falling action to cause collision between a sliding block 1-6 and a table board 1-7, and in the process of taking out the lead screw 1-5, the sliding block 1-6 can continuously form a drawing effect on the table board 1-7 to cause damage to the appearance quality of the table board 1-7; certainly, in order to avoid the problem, some manufacturers stipulate that when staff maintain the turret lower sliding seat 1-2, the whole turret lower sliding seat 1-2 must be dismounted (since other structures such as a turret are further installed on the turret lower sliding seat 1-2, an overhead travelling crane needs to be started to complete auxiliary hoisting work), so that the lead screw 1-5 can be taken out, but the dismounting workload of related parts can be greatly increased, the maintenance efficiency is influenced, and therefore, a structure capable of facilitating the rapid maintenance of the lead screw and the sliding block needs to be developed urgently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to avoid prior art's weak point, provide a lead screw seat sliding support mechanism and two main shaft single-tool tower turn-mills compound lathe to effectively solve the weak point that exists among the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a screw base sliding support mechanism, includes lathe body, sword tower slide and is used for driving sword tower slide at lathe body gliding drive arrangement, drive arrangement includes motor, horizontal lead screw and screw base, and the horizontal lead screw of bottom cooperation of sword tower slide is provided with the screw base, the bottom detachable of screw base is provided with the connecting seat, and the bottom of connecting seat is provided with the rolling supporting component, the below that corresponds horizontal lead screw on the lathe body is provided with horizontal bearing surface, horizontal bearing surface with leave a small amount of clearance so that contactless between the two between the bottom of rolling supporting component and the horizontal bearing surface.

Further, the connecting seat is connected with the threaded seat through a first bolt.

Furthermore, the two sides of the connecting seat are provided with lug plates in cooperation with the first bolts.

Furthermore, the top of the connecting seat is provided with a supporting groove matched with the threaded seat.

Furthermore, the middle part of the supporting groove is provided with a hollow groove corresponding to the edge angle of the threaded seat.

Furthermore, the rolling support component comprises wheel carriers symmetrically arranged at two sides of the connecting seat and rolling wheels arranged at two ends of the wheel carriers.

Further, the wheel carrier is connected with the connecting seat through a second bolt.

Further, the clearance between the bottom end of the rolling support component and the horizontal bearing surface is not more than 5mm.

The double-spindle single-cutter tower turning and milling composite machine tool comprises the screw rod seat sliding support mechanism.

The above technical scheme of the utility model following beneficial effect has: the utility model discloses be provided with the roll supporting component bottom the screw thread seat of current sword tower slide, leave a small amount of clearances between the horizontal bearing surface below the roll supporting component and rather than the roll supporting component so that contactless between the two, like this not only can avoid the screw thread seat to drive the in-process of sword tower slide horizontal migration and produce unnecessary contact between the horizontal bearing surface, reduce the wear loss of roll supporting component and reduce the extra consumption of motor, and through adopting this structure, after tearing horizontal lead screw and screw thread seat down, can make its extremely little stroke of whereabouts realize the contact spacing with the horizontal bearing surface with the help of the roll supporting component, avoid producing to collide with to the lathe body when dismantling; meanwhile, the horizontal screw rod can be directly pulled out along the horizontal direction due to the arrangement of the rolling supporting assembly, and in the pulling-out process, the threaded seat forms a rolling friction effect with the help of the rolling supporting assembly and the horizontal bearing surface, so that not only can any damage be caused to the surface of the machine tool body, but also the dismounting difficulty of the horizontal screw rod and the threaded seat can be reduced, and the maintenance efficiency is improved.

Drawings

Fig. 1 is a schematic view of a driving mechanism of a turret lower sliding seat of a turning and milling composite machine tool in the prior art;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a schematic structural view of a sliding support mechanism of a lead screw base according to an embodiment of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 at B;

FIG. 5 is another perspective view of FIG. 4;

fig. 6 is a schematic perspective view of the turret slide and the driving device according to the embodiment of the present invention;

FIG. 7 is an enlarged view of a portion of FIG. 6 at C;

fig. 8 is a schematic perspective view of a rolling support assembly according to an embodiment of the present invention;

FIG. 9 is another perspective view of FIG. 8;

fig. 10 is a schematic perspective view of a double-spindle single-tool turret turning and milling machine tool according to an embodiment of the present invention.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 3-9, the present embodiment provides a screw holder sliding support mechanism, including machine tool body 1, tool turret slide 2 and a driving device for driving tool turret slide 2 to horizontally slide on machine tool body 1, machine tool body 1 is provided with a horizontal guide rail in cooperation with tool turret slide 2, driving device includes motor 3, horizontal lead screw 4 and screw holder 5, motor 3's one end passes through coupling joint with horizontal lead screw 4, and motor 3's front side cooperation horizontal lead screw 4 is provided with support 301, horizontal lead screw 4 is connected with support 301 rotation, horizontal lead screw 4's the other end is connected with screw holder 5 rotation, screw holder 5 is installed on machine tool body 1 through the bolt, tool turret slide 2's bottom cooperation horizontal lead screw 4 is provided with screw holder 6, cooperation horizontal lead screw 4 is provided with the screw hole on screw holder 6, screw holder 6 realizes being connected with tool turret slide 2 through the bolt, the above structure is prior art, in order to better assist the dismouting work of accomplishing horizontal lead screw 4 and screw holder 6, this application makes the improvement of following structure on the basis of the above-mentioned structure:

the bottom detachable of screw thread seat 6 is provided with connecting seat 7, connecting seat 7 adopts the machine tooling to make, it can and screw thread seat 6 between form the cooperation of high accuracy, the bottom of connecting seat 7 is provided with roll supporting component 8, the below that corresponds horizontal lead screw 4 on the lathe body 1 is provided with horizontal bearing face 101, leave a small amount of clearance so that contactless between the two between horizontal bearing face 101 and the bottom of roll supporting component 8, it is preferred, the clearance between the bottom of roll supporting component 8 and horizontal bearing face 101 is not more than 5mm, through adopting this structure, after tearing down horizontal lead screw 4 and screw thread seat 6, can be so that the minimum stroke of whereabouts just realizes spacing with the help of roll supporting component 8 with the contact of horizontal bearing face 101, avoid producing lathe body 1 again when dismantling and colliding with lathe, and simultaneously, benefit from the setting of roll supporting component 8, can directly take horizontal lead screw 4 out along the horizontal direction, in-process of taking out, screw thread seat 6 forms the rolling friction effect with the help of rolling supporting component 8 with the help of the formation between horizontal bearing face 101, not only can be to lathe body's 1 the damage and the screw thread seat 4 of screw thread, the degree of damage has caused the efficiency of screw thread has been improved the dismouting with the dismouting efficiency, the improvement of screw thread seat 6.

Connecting seat 7 is connected with screw thread seat 6 through first bolt 901, and first bolt 901 of cooperation is provided with the through-hole on connecting seat 7, and first bolt 901 of cooperation is provided with the screw hole on screw thread seat 6, and first bolt 901 of the both sides cooperation of connecting seat 7 is provided with otic placode 701, and otic placode 701 sets up with the surperficial laminating of screw thread seat 6.

The top cooperation screw thread seat 6 of connecting seat 7 is provided with bearing groove 702, and bearing groove 702 adopts the V-arrangement groove, and it forms the laminating through the surface with screw thread seat 6, comes the effect that realizes the location to screw thread seat 6 for be connected between screw thread seat 6 and the connecting seat 7 inseparabler.

The middle part of the support slot 702 is provided with an empty slot 703 corresponding to the edge of the threaded seat 6, and the processing difficulty of the support slot 702 can be reduced by reducing the contact of the partial structure.

The rolling support component 8 includes wheel frames 801 symmetrically disposed on two sides of the connecting seat 7 and rollers 802 disposed at two ends of the wheel frames 801, that is, four rollers 802 are disposed in the rolling support component 8, and the four rollers 802 are respectively located at four corners of the connecting seat 7, so as to achieve a stable support effect for the connecting seat 7.

The wheel frame 801 is connected with the connecting base 7 through a second bolt 902, in this embodiment, the cross section of the wheel frame 801 is U-shaped, a through hole is formed on the wheel frame 801 in cooperation with the second bolt 902, and a threaded hole is formed on the connecting base 7 in cooperation with the second bolt 902.

As shown in fig. 10, the double-spindle single-turret turning and milling composite machine tool according to the embodiment includes the above screw seat sliding support mechanism, and further includes a turret device 10 installed on the turret sliding seat 2, the turret device 10 can switch different processing tools to complete a required processing action, two clamp spindles 11 are provided on the machine tool body 1, the two clamp spindles 11 are respectively located at two sides of the turret device 10, and a chuck 12 is provided on the clamp spindle 11 to form a clamping and fixing effect on a workpiece, wherein the turret device 10, the clamp spindle 11, and the chuck 12 are common structures on existing machine tools, and are not described herein again.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims (9)

1. The utility model provides a screw base sliding support mechanism, includes lathe body, sword tower slide and is used for driving sword tower slide horizontal slip's drive arrangement on the lathe body, drive arrangement includes motor, horizontal lead screw and screw base, and the bottom cooperation horizontal lead screw of sword tower slide is provided with screw thread seat, its characterized in that: the bottom detachable of screw thread seat is provided with the connecting seat, and the bottom of connecting seat is provided with the roll supporting component, the below that corresponds horizontal lead screw on the lathe body is provided with horizontal bearing surface, horizontal bearing surface with leave a small amount of clearance so that contactless between the two between the bottom of roll supporting component and the horizontal bearing surface.

2. The screw base sliding support mechanism according to claim 1, wherein: the connecting seat is connected with the threaded seat through a first bolt.

3. The screw base sliding support mechanism according to claim 2, wherein: and lug plates are arranged on two sides of the connecting seat in a matching way with the first bolts.

4. The screw base sliding support mechanism according to claim 1, wherein: the top of the connecting seat is provided with a supporting groove matched with the threaded seat.

5. The screw base sliding support mechanism according to claim 4, wherein: and the middle part of the supporting groove is provided with a hollow groove corresponding to the edge angle of the threaded seat.

6. The screw base sliding support mechanism according to claim 1, wherein: the rolling support component comprises wheel carriers symmetrically arranged on two sides of the connecting seat and rolling wheels arranged at two ends of the wheel carriers.

7. The screw base sliding support mechanism according to claim 6, wherein: the wheel carrier is connected with the connecting seat through a second screw 2.

8. The screw base sliding support mechanism according to claim 1, wherein: and the clearance between the bottom end of the rolling support component and the horizontal bearing surface is not more than 5mm.

9. Compound lathe of two main shafts single-tool tower turnning and milling, its characterized in that: comprising the screw base sliding support according to any of claims 1 to 8.

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