CN220592356U

CN220592356U - Workpiece supporting device of numerical control ultra-long lathe

Info

Publication number: CN220592356U
Application number: CN202322204611.5U
Authority: CN
Inventors: 谷子平
Original assignee: Shenyang Changyuan Machinery Manufacturing Co ltd
Current assignee: Shenyang Changyuan Machinery Manufacturing Co ltd
Priority date: 2023-08-16
Filing date: 2023-08-16
Publication date: 2024-03-15
Anticipated expiration: 2033-08-16

Abstract

The utility model belongs to the technical field of supporting tools and discloses a workpiece supporting device of a numerical control ultra-long lathe, which comprises a base, a supporting seat and a controller, wherein the inner side of the supporting seat is rotationally provided with two rotating rollers which are symmetrically arranged, the outer side of the supporting seat is rotationally provided with scraper components, and the number of the scraper components is two and symmetrically arranged; an intermediate plate is arranged between the base and the supporting seat, a pressure sensor is fixedly arranged between the supporting seat and the intermediate plate, an adjusting component is arranged on the upper side of the base, and a rod transmission component is arranged between the adjusting component and the intermediate plate; the pressure sensor and the adjusting component are electrically connected with the controller through wires. The utility model can flexibly adjust the jacking height and support the revolving body workpieces with different diameters; the supporting force can be indirectly detected through the pressure sensor arranged between the supporting seat and the middle plate, so that the supporting height is convenient to finely adjust, the supporting force on the revolving body workpiece is ensured, and the operation is convenient.

Description

Workpiece supporting device of numerical control ultra-long lathe

Technical Field

The application belongs to the technical field of supporting tools, and particularly relates to a workpiece supporting device of a numerical control ultralong lathe.

Background

For a rotary workpiece (a roller body, a sleeve body and the like) with a large length, an ultra-long lathe is required, and the rotary workpiece is firstly arranged between a chuck and a tailstock during machining, and is fed step by step after tool setting for cutting machining.

The requirement on the carrying capacity of the chuck and the tailstock is high due to the dead weight of the revolving body workpiece with large length, and the machining precision is also affected by the micro-deformation of the center part which is bent downwards; in the prior art, the rotary body workpieces are supported through the roller brackets, but for the rotary body workpieces with different diameters, the operation of adjusting the height is not flexible enough, and after gradual cutting, fine jacking adjustment is difficult.

Therefore, there is a need for a workpiece support device for numerically controlled ultra-long lathes.

Disclosure of Invention

The utility model aims to solve the problems, and provides a workpiece supporting device of a numerical control ultra-long lathe, which can flexibly adjust the supporting height of a revolving body workpiece, and has convenient operation and high precision.

The workpiece supporting device of the numerical control ultra-long lathe comprises a base, a supporting seat and a controller, wherein the inner side of the supporting seat is rotationally provided with two rotating rollers which are symmetrically arranged, the outer side of the supporting seat is rotationally provided with scraper components, and the number of the scraper components is two and symmetrically arranged; an intermediate plate is arranged between the base and the supporting seat, a pressure sensor is fixedly arranged between the supporting seat and the intermediate plate, an adjusting component is arranged on the upper side of the base, and a rod transmission component is arranged between the adjusting component and the intermediate plate; the pressure sensor and the adjusting component are electrically connected with the controller through wires.

Further, the pressure sensors are uniformly distributed in an array, and the number of the pressure sensors is at least 4.

Further, the adjusting component comprises a screw rod, a screw rod nut and a double-output-shaft motor; the upper surface fixed mounting of base has two go out the axle motor, two output shafts of two go out the axle motor are all fixed mounting have screw nut, two screw nut's the opposite direction of screwing, screw nut all spiro union has screw nut.

Furthermore, the bottom of screw nut all is provided with the dovetail, the dovetail has been seted up at the top of base, the dovetail respectively with dovetail sliding fit.

Further, the rod transmission assembly comprises an upper rotating joint, a lower rotating joint and a connecting piece; the upper surface of the screw nut is fixedly provided with a lower rotating joint, the lower surface of the middle plate is fixedly provided with an upper rotating joint, and two ends of the connecting piece are respectively assembled with the corresponding upper rotating joint and lower rotating joint in a rotating way.

Further, heightening components are arranged on two sides of the base.

Further, the heightening component comprises a bolt group, an adjusting hole and a base; the two sides of the base are uniformly provided with adjusting holes, the base is provided with a butt joint hole, and bolt groups are arranged in the butt joint hole and the corresponding adjusting holes and locked.

Further, the scraping plate assembly comprises a U-shaped frame and a rotating shaft; the two sides of the supporting seat are fixedly provided with rotating shafts, a U-shaped frame is rotatably arranged between the corresponding rotating shafts, the rotating shafts are sleeved with torsion springs, one ends of the torsion springs are fixedly assembled with the rotating shafts, and the other ends of the torsion springs are fixedly assembled with the U-shaped frame.

Further, the scraper assembly further comprises a scraper which is arranged at the top of the U-shaped frame.

The utility model has the following advantages:

according to the utility model, through the arrangement of the adjusting component, the jacking height can be flexibly adjusted, and revolving body workpieces with different diameters can be supported; the supporting force can be indirectly detected through the pressure sensor arranged between the supporting seat and the middle plate, so that the supporting height is convenient to finely adjust, the supporting force on a revolving body workpiece is ensured, and the operation is convenient; the load on the chuck and the tailstock is reduced, and simultaneously, the micro deformation of downward bending can be avoided, thereby being beneficial to processing and cutting.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.

FIG. 1 is a schematic front view of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the structure at the base of the present utility model;

FIG. 3 is a schematic view of the scraper assembly of the present utility model.

In the figure: 1. base, 2. Adjustment assembly, 21. Lead screw, 22. Lead screw nut, 23. Double-out shaft motor, 3. Rod drive assembly, 31. Lower rotary joint, 32. Coupling, 33. Upper rotary joint, 4. Intermediate plate, 5. Support base, 6. Rotary roller, 7. Scraper assembly, 71. Scraper, 72. U-shaped frame, 73. Rotary shaft, 8. Pressure sensor, 9. Heightening assembly, 91. Bolt group, 92. Adjustment hole, 93. Base, 10. Controller, 11. Dovetail block.

Detailed Description

The present utility model will be described in detail below with reference to embodiments shown in the drawings. The embodiment is not intended to limit the scope of the utility model, and structural, methodological, or functional modifications made by one of ordinary skill in the art based on the embodiment are included in the scope of the utility model.

The utility model discloses a workpiece supporting device of a numerical control ultra-long lathe, which is shown in figures 1-3, and comprises a base 1, a supporting seat 5 and a controller 10, wherein the base 1 is used for being installed on a lathe body to be fixedly connected; the inner side of the supporting seat 5 is rotatably provided with two rotating rollers 6, and the rotating rollers 6 are symmetrically arranged and used for supporting revolving body workpieces with different diameters; the outer side of the supporting seat 5 is rotatably provided with two scraper assemblies 7, the number of the scraper assemblies 7 is two and the scraper assemblies are symmetrically arranged, and the scraper assemblies are abutted against the surface of a revolving body workpiece when in use and are used for stripping scraps; an intermediate plate 4 is arranged between the base 1 and the supporting seat 5, a pressure sensor 8 is fixedly arranged between the supporting seat 5 and the intermediate plate 4, and the pressure between the supporting seat 5 and the intermediate plate 4 can be detected through the pressure sensor 8, so that the supporting force acting on a revolving body workpiece is indirectly detected; the upper side of the base 1 is provided with an adjusting component 2, a rod transmission component 3 is arranged between the adjusting component 2 and the middle plate 4, the distance between the base 1 and the middle plate 4 can be adjusted through the adjusting component 2 and the rod transmission component 3, and finally the rotating roller 6 is jacked up;

the pressure sensor 8 and the adjusting component 2 are electrically connected with the controller 10 through wires, the magnitude of the supporting force can be displayed through the controller 10, visual observation of staff is facilitated, and the adjusting component 2 is convenient to regulate and control.

Specifically, the pressure sensors 8 are uniformly distributed in an array, the number of the pressure sensors 8 is at least 4, the support seat 5 can be more uniformly supported by the plurality of pressure sensors 8, and the acquired data is more accurate.

Specifically, as shown in fig. 2, the adjusting assembly 2 includes a screw 21, a screw nut 22, and a double-output shaft motor 23; the upper surface of the base 1 is fixedly provided with a double-output-shaft motor 23, two output shafts of the double-output-shaft motor 23 are fixedly provided with screw nuts 22, the rotation directions of the two screw nuts 22 are opposite, and the screw nuts 22 are in threaded connection with the screw nuts 22; the screw 21 can be rotated synchronously by controlling the forward and reverse rotation of the double-output shaft motor 23, thereby relatively (approaching or moving away from each other) moving the two screw nuts 22.

Furthermore, the bottom of the screw nut 22 is provided with dovetail blocks 11, the top of the base 1 is provided with dovetail grooves, and the dovetail blocks 11 are respectively assembled with the dovetail grooves in a sliding way; the stability and bearing capacity of the movement of the screw nut 22 can be improved through the arrangement of the dovetail block 11 and the dovetail groove, and the screw nut 22 cannot circumferentially rotate along with the screw 21.

The lever transmission assembly 3 includes an upper rotary joint 33, a lower rotary joint 31, and a coupling member 32; the upper surface of the screw nut 22 is fixedly provided with a lower rotating joint 31, the lower surface of the middle plate 4 is fixedly provided with an upper rotating joint 33, and two ends of the connecting piece 32 are respectively assembled with the corresponding upper rotating joint 33 and lower rotating joint 31 in a rotating way; when a group of rod transmission assemblies 3 are arranged on each screw nut 22, the connecting piece 32 is of a wide plate-shaped structure; when a plurality of groups of rod transmission assemblies 3 are arranged on each screw nut 22, the connecting piece 32 is of a rod-shaped structure, so that stable supporting capability of the middle plate 4 is ensured.

Specifically, the two sides of the base 1 are provided with heightening components 9, and as shown in fig. 2, the heightening components 9 comprise a bolt group 91, an adjusting hole 92 and a base 93; the two sides of the base 1 are uniformly provided with adjusting holes 92, the base 93 is provided with at least two butt joint holes which are horizontally and uniformly arranged, and bolt groups 91 are arranged in the butt joint holes and the corresponding adjusting holes 92 and are locked; after the butt joint holes are aligned with the adjusting holes 92 at different positions, the height of the base 1 can be adjusted by installing the bolt group 91 so as to be suitable for rotating rollers with different diameters and enlarge the lifting adjusting range.

Specifically, squeegee assembly 7 includes a U-shaped frame 72 and a rotating shaft 73; the two sides of the supporting seat 5 are fixedly provided with rotating shafts 73, a U-shaped frame 72 is rotatably arranged between the corresponding rotating shafts 73, the rotating shafts 73 are sleeved with torsion springs, one ends of the torsion springs are fixedly assembled with the rotating shafts 73, and the other ends of the torsion springs are fixedly assembled with the U-shaped frame 72; the torsion spring can enable the U-shaped frame 72 to have the acting force of swinging close to each other by taking the rotating shaft 73 as the center, so that the upper end of the U-shaped frame 72 can be conveniently abutted against a revolving body workpiece.

The scraper assembly 7 further comprises a scraper 71, the scraper 71 is mounted on the top of the U-shaped frame 72 in a screw connection mode, the cross section of the scraper 71 is of a triangular structure and made of wear-resistant materials, the service life of the scraper can be prolonged, and the scraper is convenient to replace.

The specific application mode of the embodiment is as follows:

one or more supporting devices are selectively installed according to the length of the revolving body workpiece to be processed; according to the diameter of the revolving body workpiece to be processed, the height of the revolving roller 6 is adjusted in a large range by the heightening component 9, so that the revolving roller is close to the height required to be supported;

two ends of a revolving body workpiece to be processed are respectively arranged between a chuck and a tailstock of an ultra-long lathe, meanwhile, a scraper assembly 7 is pulled out, and after the revolving body workpiece is arranged, a U-shaped frame 72 supports the scraper 71 against two sides of the revolving body workpiece due to torsion;

the controller 10 is electrically connected with the pressure sensor 8 and the double-output-shaft motor 23 in the adjusting assembly 2, and the controller 10 controls the double-output-shaft motor 23 to synchronously rotate the screw rods 21 in the forward direction, so that the two screw rod nuts 22 are moved away from each other, and meanwhile, the movement stability is improved through the dovetail block 11 and the dovetail groove; the included angle between the connecting piece 32 and the middle plate 4 can be gradually increased, so that the components on the middle plate 4 are jacked, the rotating roller 6 and the revolving body workpiece are gradually abutted to stop until the pressure sensor 8 reaches a set value, the revolving body workpiece can be supported, the load on the chuck and the tailstock is reduced, and the downward bending micro deformation is avoided;

when the revolving body workpiece rotates and cuts, the scraping plate component 7 can avoid the influence of the supporting force caused by the fact that scraps enter the revolving roller 6; the supporting force can be readjusted after cutting for several times, the pressure sensor 8 is kept in the range of the set value, the processing precision is improved, and the adjustment is flexible and the operation is convenient.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment contains only one independent technical solution, and that such description is provided for clarity only, and that the technical solutions of the embodiments may be appropriately combined to form other embodiments that will be understood by those skilled in the art.

Claims

1. The workpiece supporting device of the numerical control overlength lathe is characterized by comprising a base (1), a supporting seat (5) and a controller (10), wherein rotating rollers (6) are rotatably arranged on the inner side of the supporting seat (5), the number of the rotating rollers (6) is two and symmetrically arranged, scraping plate assemblies (7) are rotatably arranged on the outer side of the supporting seat (5), and the number of the scraping plate assemblies (7) is two and symmetrically arranged; an intermediate plate (4) is arranged between the base (1) and the supporting seat (5), a pressure sensor (8) is fixedly arranged between the supporting seat (5) and the intermediate plate (4), an adjusting component (2) is arranged on the upper side of the base (1), and a rod transmission component (3) is arranged between the adjusting component (2) and the intermediate plate (4); the pressure sensor (8) and the adjusting component (2) are electrically connected with the controller (10) through wires.

2. A numerically controlled ultra long lathe work piece support device according to claim 1, characterized in that said pressure sensors (8) are distributed in a uniform array, said number of pressure sensors (8) being at least 4.

3. A numerically controlled ultra-long lathe work piece support device according to claim 1, characterized in that the adjustment assembly (2) comprises a screw (21), a screw nut (22) and a double-output motor (23); the novel double-output-shaft motor is characterized in that a double-output-shaft motor (23) is fixedly arranged on the upper surface of the base (1), screw nuts (22) are fixedly arranged on two output shafts of the double-output-shaft motor (23), the rotation directions of the two screw nuts (22) are opposite, and the screw nuts (22) are in threaded connection with the screw nuts (22).

4. A workpiece supporting device for a numerically controlled ultra-long lathe according to claim 3, wherein dovetail blocks (11) are arranged at the bottoms of the screw nuts (22), dovetail grooves are formed in the tops of the bases (1), and the dovetail blocks (11) are assembled with the dovetail grooves in a sliding mode.

5. A numerically controlled ultra long lathe work piece support device according to claim 3, characterized in that the rod drive assembly (3) comprises an upper swivel (33), a lower swivel (31) and a coupling (32); the upper surface of the screw nut (22) is fixedly provided with a lower rotating joint (31), the lower surface of the middle plate (4) is fixedly provided with an upper rotating joint (33), and two ends of the connecting piece (32) are respectively assembled with the corresponding upper rotating joint (33) and lower rotating joint (31) in a rotating way.

6. The workpiece supporting device of the numerical control ultra-long lathe is characterized in that heightening assemblies (9) are arranged on two sides of the base (1).

7. The workpiece support device of the numerically controlled ultra-long lathe according to claim 6, wherein the heightening assembly (9) comprises a bolt group (91), an adjusting hole (92) and a base (93); the two sides of the base (1) are uniformly provided with adjusting holes (92), the base (93) is provided with a butt joint hole, and a bolt group (91) is arranged in the butt joint hole and the corresponding adjusting hole (92) and locked.

8. A numerically controlled ultra-long lathe work piece support device according to claim 1, characterized in that the scraper assembly (7) comprises a U-shaped frame (72) and a spindle (73); the two sides of the supporting seat (5) are fixedly provided with rotating shafts (73), U-shaped frames (72) are rotatably arranged between the corresponding rotating shafts (73), torsion springs are sleeved on the rotating shafts (73), one ends of the torsion springs are fixedly assembled with the rotating shafts (73), and the other ends of the torsion springs are fixedly assembled with the U-shaped frames (72).

9. A workpiece support device for a numerically controlled ultra long lathe according to claim 8, wherein the scraper assembly (7) further comprises a scraper (71), the scraper (71) being mounted on top of the U-shaped frame (72).