CN212598915U - Supporting device for heavy-duty lathe machining and centering - Google Patents

Abstract

The utility model discloses a supporting device for the processing and centering of a heavy lathe, which comprises a base, a walking mechanism, a hydraulic cylinder, a supporting seat and a supporting wheel; the bottom surface of the base is matched with a lathe guide rail, first mounting grooves are formed in two side edges of the base, and a travelling mechanism is arranged in each first mounting groove; a U-shaped groove is formed in the middle of the base, a second mounting groove is formed in the bottom surface of the U-shaped groove, a hydraulic cylinder is arranged in the second mounting groove, and a supporting seat is arranged on the top surface of the hydraulic cylinder; a third mounting groove is symmetrically formed in the top of the base, a screw rod is arranged in the third mounting groove, a clamping jaw is meshed with the screw rod and is connected with the base in a sliding mode, a base is arranged on the end face of the clamping jaw, and a supporting wheel is arranged on the base; the application has the advantages of reasonable design, safety, reliability, good stability, convenience in movement, accurate adjustment, wide application range, great convenience for enterprises and very considerable application prospect.

Description

Supporting device for heavy-duty lathe machining and centering

Technical Field

The utility model relates to a lathe machining instrument technical field, in particular to heavy lathe processing strutting arrangement for alignment.

Background

Heavy lathes are divided into large vertical lathes and large numerical control horizontal lathes, and turning processing can be performed on a rotating workpiece through a turning tool, so that processing of an outer cylindrical surface, a conical surface, a spherical surface and threads can be generally automatically completed, and complex revolution surfaces, curved surfaces and the like can be processed. The heavy lathe is mainly used for processing large and oversize parts, and serves main industrial pillar industries of national defense war industry, aerospace, ships, energy sources such as thermal power, hydroelectric power, nuclear power and wind power generation, transportation such as railways, automobiles, metallurgy, engineering machinery and the like, and national key engineering projects.

For turning of large shaft workpieces, the large shaft workpieces are lifted by a crown block and conveyed to the position near a chuck of a heavy lathe, the position of a lifting hook of the crown block is adjusted, and then the workpieces are guided into a clamping jaw of the chuck by hands to be precisely aligned and then clamped; and hoisting and unloading the lathe chuck by using a crown block after turning. The clamping of the large shaft workpiece by means of the crown block is time-consuming and labor-consuming, and the safety is low; when the crown block is operated, a hoisting workpiece needs to be slightly leaned into a clamping jaw of a heavy lathe chuck for accurate alignment, the difficulty is high, the workpiece easily collides with the chuck, and the turning accuracy of the lathe is affected; in addition, when machining is carried out, a centering procedure needs to be carried out on a large shaft workpiece, the coincidence of the axis of the workpiece and the axis of a heavy lathe is ensured, the deflection problem during workpiece machining is avoided, and the accuracy of centering cannot be guaranteed by a crown block hoisting mode.

Disclosure of Invention

The utility model aims to provide a supporting device for the processing and centering of a heavy lathe, which can adjust the processing position in time according to the actual condition of the heavy lathe by arranging a base and a roller on a lathe guide rail; the hydraulic cylinder is arranged on the base, so that the small-diameter shaft workpiece can be centered and supported; the supporting wheels are arranged on the base, so that the large-diameter shaft workpiece can be centered and supported, and the supporting wheels can be used as a center frame; the problems proposed in the background art are effectively solved.

The utility model adopts the technical scheme as follows: a supporting device for processing and centering a heavy lathe comprises a base, a traveling mechanism, a hydraulic cylinder, a supporting seat and supporting wheels; the bottom surface of the base is matched with a lathe guide rail, first mounting grooves are formed in two side edges of the base, a travelling mechanism is arranged in each first mounting groove, and each travelling mechanism comprises a U-shaped frame, an end cover, a rack, a roller, a rotating shaft and a gear; the U-shaped frame and the first mounting groove are fixed through countersunk bolts, racks are symmetrically and slidably connected to the inner side wall of the U-shaped frame, rollers are arranged on the bottom surfaces of the racks, an end cover is arranged at an opening of the U-shaped frame, rotating shafts are symmetrically arranged between the U-shaped frame and the end cover, gears are arranged on the rotating shafts, and the gears are matched with the racks; a U-shaped groove is formed in the middle of the base, a second mounting groove is formed in the bottom surface of the U-shaped groove, a hydraulic cylinder is arranged in the second mounting groove, and a supporting seat is arranged on the top surface of the hydraulic cylinder; the top symmetry of base is equipped with the third mounting groove, be equipped with the lead screw in the third mounting groove, the meshing has the jack catch on the lead screw, and jack catch and base sliding connection, the terminal surface of jack catch is equipped with the base, be equipped with the supporting wheel on the base.

Furthermore, a first square groove is formed in the end face of the rotating shaft, and the rotating shaft extends to the outer side of the end cover; and a second square groove is formed in the end face of the screw rod.

Furthermore, the supporting seat is of a V-shaped structure, and a bearing plate is fixed on the surface of the supporting seat through a countersunk head bolt.

Further, an arc-shaped reinforcing rib is arranged between the supporting seat and the hydraulic cylinder.

The beneficial effects of the utility model reside in that: the base and the roller are arranged on the lathe guide rail, so that the machining position can be adjusted in time according to the actual condition of the heavy-duty lathe, and the roller can ascend or descend on the base, so that the supporting stability and the operating resistance can be guaranteed; the hydraulic cylinder is arranged on the base, so that the small-diameter shaft workpiece can be centered and supported, and the bearing plate is arranged on the top surface of the supporting seat, so that the bearing plate is convenient to replace after being worn for a long time; the supporting wheels are arranged on the base, so that the large-diameter shaft workpiece can be centered and supported, and the supporting wheels can be used as a center frame; the application has the advantages of reasonable design, safety, reliability, good stability, convenience in movement, accurate adjustment, wide application range, great convenience for enterprises and very considerable application prospect.

Drawings

Fig. 1 is a schematic view of the front view cross-sectional structure of the present invention.

Fig. 2 is a schematic perspective sectional view of the base.

Fig. 3 is a schematic diagram of an exploded structure of the traveling mechanism.

Fig. 4 is a schematic perspective view of the support seat.

Fig. 5 is a schematic perspective view of the screw rod, the claw, the base and the supporting wheel.

In the figure: the lathe comprises a lathe guide rail 1, a base 2, a first mounting groove 2-1, a U-shaped groove 2-2, a second mounting groove 2-3, a third mounting groove 2-4, a traveling mechanism 3, a U-shaped frame 3-1, an end cover 3-2, a rack 3-3, a roller 3-4, a rotating shaft 3-5, a first square groove 3-5-1, a gear 3-6, a hydraulic cylinder 4, a supporting seat 5, a bearing plate 5-1, a supporting wheel 6, a lead screw 7, a second square groove 7-1, a clamping jaw 8, a base 9 and an arc-shaped reinforcing rib 10.

Detailed Description

In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings, which are only used for illustrating the technical solutions of the present invention and are not limited.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the present invention; furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to a number of indicated technical features.

Referring to fig. 1-5, the present invention provides a technical solution: a supporting device for processing and centering a heavy lathe comprises a base 2, a traveling mechanism 3, a hydraulic cylinder 4, a supporting seat 5 and a supporting wheel 6; the bottom surface of the base 2 is matched with a lathe guide rail 1, the machining position can be adjusted in time according to the actual condition of a heavy-duty lathe, a first mounting groove 2-1 is machined in two side edges of the base 2, a travelling mechanism 3 is mounted in the first mounting groove 2-1, and the travelling mechanism 3 comprises a U-shaped frame 3-1, an end cover 3-2, a rack 3-3, a roller 3-4, a rotating shaft 3-5 and a gear 3-6; the U-shaped frame 3-1 and the first mounting groove 2-1 are fixed through countersunk bolts, racks 3-3 are symmetrically and slidably connected to the inner side walls of the U-shaped frame 3-1, rollers 3-4 are mounted on the bottom surfaces of the racks 3-3, an end cover 3-2 is fixed at an opening of the U-shaped frame 3-1 through countersunk bolts, rotating shafts 3-5 are symmetrically mounted between the U-shaped frame 3-1 and the end cover 3-2, gears 3-6 are mounted on the rotating shafts 3-5 and adapted to the racks 3-3, first square grooves 3-5-1 are machined on the end surfaces of the rotating shafts 3-5, the rotating shafts 3-5 extend to the outer sides of the end covers 3-2, and the rollers 3-4 can ascend or descend on the base 2, the stability of the support can be ensured, and the operating non-resistance can be ensured; the middle of the base 2 is provided with a U-shaped groove 2-2, the bottom surface of the U-shaped groove 2-2 is provided with a second mounting groove 2-3, a hydraulic cylinder 4 is mounted in the second mounting groove 2-3, a support seat 5 is welded on the top surface of the hydraulic cylinder 4, the small-diameter shaft workpiece can be centered and supported, an arc-shaped reinforcing rib 10 is welded between the support seat 5 and the hydraulic cylinder 4, stability between structures is guaranteed, the support seat 5 is in a V-shaped structure, and a bearing plate 5-1 is fixed on the surface of the support seat 5 through a countersunk bolt, so that the bearing plate is convenient to replace after being worn for a long time, and accurate centering is guaranteed; the top symmetry processing of base 2 has third mounting groove 2-4, install lead screw 7 in the third mounting groove 2-4, the terminal surface processing of lead screw 7 has second square groove 7-1, the meshing has jack catch 8 on the lead screw 7, and jack catch 8 and 2 sliding connection of base, the terminal surface welding of jack catch 8 has base 9, install supporting wheel 6 on the base 9, can look for the center to the axle type work piece of major diameter and support to supporting wheel 6 can regard as the centre frame to use.

When in use: an operator rotates the rotating shaft 3-5 by using a wrench, the rotating shaft 3-5 drives the gear 3-6 to rotate, the gear 3-6 drives the rack 3-3 to slide downwards, the roller 3-4 is in contact with the lathe guide rail 1 at the moment, the operator pushes a proper position according to the length of the shaft workpiece, the shaft workpiece is lifted by the crown block and placed on the lathe centering support device, when the shaft workpiece is small in diameter, the hydraulic cylinder 4 is started to perform centering support, when the shaft workpiece is large in diameter, the screw rod 7 is rotated to change the position of the supporting wheel 6 to perform centering support, and the supporting wheel 6 can be used for a center frame; the application has the advantages of reasonable design, safety, reliability, good stability, convenience in movement, accurate adjustment, wide application range, great convenience for enterprises and very considerable application prospect.

Although the present invention has been described in detail with reference to the foregoing examples, it will be apparent to those skilled in the art that various changes and modifications can be made in the embodiments described above, or equivalent changes and modifications can be made to some of the technical features of the embodiments described above, and any changes, equivalents, and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (4)

1. A supporting device for processing and centering a heavy lathe comprises a base, a traveling mechanism, a hydraulic cylinder, a supporting seat and supporting wheels; the lathe guide rail structure is characterized in that the bottom surface of the base is matched with a lathe guide rail, first mounting grooves are formed in two side edges of the base, a traveling mechanism is arranged in each first mounting groove, and each traveling mechanism comprises a U-shaped frame, an end cover, a rack, a roller, a rotating shaft and a gear; the U-shaped frame and the first mounting groove are fixed through countersunk bolts, racks are symmetrically and slidably connected to the inner side wall of the U-shaped frame, rollers are arranged on the bottom surfaces of the racks, an end cover is arranged at an opening of the U-shaped frame, rotating shafts are symmetrically arranged between the U-shaped frame and the end cover, gears are arranged on the rotating shafts, and the gears are matched with the racks; a U-shaped groove is formed in the middle of the base, a second mounting groove is formed in the bottom surface of the U-shaped groove, a hydraulic cylinder is arranged in the second mounting groove, and a supporting seat is arranged on the top surface of the hydraulic cylinder; the top symmetry of base is equipped with the third mounting groove, be equipped with the lead screw in the third mounting groove, the meshing has the jack catch on the lead screw, and jack catch and base sliding connection, the terminal surface of jack catch is equipped with the base, be equipped with the supporting wheel on the base.

2. The support device for heavy lathe machining centering according to claim 1, wherein the end surface of the rotating shaft is provided with a first square groove, and the rotating shaft extends to the outer side of the end cover; and a second square groove is formed in the end face of the screw rod.

3. The supporting device for heavy-duty lathe machining centering according to claim 1, wherein the supporting seat has a V-shaped structure, and a bearing plate is fixed to a surface of the supporting seat by a countersunk head bolt.

4. The support device for heavy-duty lathe machining centering according to claim 1, wherein an arc-shaped reinforcing rib is provided between the support base and the hydraulic cylinder.

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